/*
 * Tripplestar premium interface layer.
 * This file owns the visual language and high-level layout. Feature-specific
 * rules remain in styles.css until their markup is migrated module by module.
 */

html {
  background: var(--color-canvas);
  scrollbar-gutter: stable;
  overflow-y: scroll;
}

body {
  min-height: 100dvh;
  position: relative;
  isolation: isolate;
  overflow-x: clip;
  background:
    radial-gradient(ellipse 60% 42% at 10% -8%, rgba(126, 82, 225, 0.13), transparent 62%),
    radial-gradient(ellipse 46% 32% at 96% 5%, rgba(62, 187, 211, 0.045), transparent 64%),
    linear-gradient(180deg, var(--color-canvas-raised), var(--color-canvas) 36%, var(--color-canvas));
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-open,
body.modal-open {
  overflow: hidden;
}

button,
input,
textarea,
select {
  font-family: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

::selection {
  color: var(--color-text);
  background: rgba(140, 99, 244, 0.34);
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.skip-link {
  position: fixed;
  z-index: 200;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border: 1px solid var(--color-focus);
  border-radius: var(--radius-md);
  background: var(--color-surface-1);
  color: var(--color-text);
  box-shadow: var(--shadow-md);
  transform: translateY(-150%);
  transition: transform var(--duration-fast) var(--ease-out);
}

.skip-link:focus {
  transform: translateY(0);
}

main {
  position: relative;
  z-index: var(--z-content);
}

/* Static, restrained space atmosphere. Light mode intentionally has none. */
.cosmic-backdrop {
  position: fixed;
  inset: 0;
  z-index: var(--z-backdrop);
  overflow: hidden;
  pointer-events: none;
  contain: strict;
}

.cosmic-backdrop::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.24;
  background:
    radial-gradient(circle at 7% 22%, rgba(242, 247, 255, 0.85) 0 0.65px, transparent 1.25px),
    radial-gradient(circle at 15% 77%, rgba(194, 174, 255, 0.72) 0 0.75px, transparent 1.35px),
    radial-gradient(circle at 26% 39%, rgba(242, 247, 255, 0.58) 0 0.6px, transparent 1.2px),
    radial-gradient(circle at 38% 87%, rgba(91, 219, 239, 0.5) 0 0.7px, transparent 1.3px),
    radial-gradient(circle at 47% 13%, rgba(242, 247, 255, 0.6) 0 0.65px, transparent 1.25px),
    radial-gradient(circle at 59% 63%, rgba(194, 174, 255, 0.65) 0 0.75px, transparent 1.35px),
    radial-gradient(circle at 68% 28%, rgba(242, 247, 255, 0.54) 0 0.6px, transparent 1.2px),
    radial-gradient(circle at 78% 84%, rgba(91, 219, 239, 0.48) 0 0.7px, transparent 1.3px),
    radial-gradient(circle at 86% 18%, rgba(242, 247, 255, 0.64) 0 0.65px, transparent 1.25px),
    radial-gradient(circle at 94% 57%, rgba(194, 174, 255, 0.62) 0 0.75px, transparent 1.35px);
}

.cosmic-backdrop::after {
  content: "";
  position: absolute;
  inset: -15%;
  opacity: 0.62;
  background:
    radial-gradient(ellipse at 15% 2%, rgba(133, 83, 235, 0.12), transparent 31%),
    radial-gradient(ellipse at 86% 20%, rgba(58, 192, 216, 0.035), transparent 24%),
    radial-gradient(ellipse at 58% 102%, rgba(100, 66, 171, 0.045), transparent 34%);
  filter: blur(32px);
}

:root[data-theme="light"] body {
  background:
    radial-gradient(ellipse 64% 42% at 6% -12%, rgba(139, 112, 222, 0.11), transparent 64%),
    radial-gradient(ellipse 56% 38% at 96% -8%, rgba(91, 175, 205, 0.09), transparent 62%),
    linear-gradient(145deg, #edf4fb 0%, var(--color-canvas) 42%, #fbfcfe 100%);
}

:root[data-theme="light"] .cosmic-backdrop {
  display: none;
}

/* Navigation */
.topbar {
  height: var(--topbar-h);
  position: sticky;
  z-index: var(--z-sticky);
  top: 0;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 clamp(20px, 4vw, 56px);
  border-bottom: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-canvas) 84%, transparent);
  box-shadow: none;
  backdrop-filter: blur(18px) saturate(125%);
}

.brand {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--color-text);
  font-size: 15px;
  font-weight: 720;
  letter-spacing: -0.02em;
}

.brand .logo {
  width: 34px;
  height: 34px;
  filter: drop-shadow(0 0 7px rgba(140, 99, 244, 0.24));
  transition: filter var(--duration-fast) var(--ease-standard), transform var(--duration-fast) var(--ease-out);
}

.brand:hover .logo,
.brand:focus-visible .logo {
  transform: scale(1.025);
  filter: drop-shadow(0 0 10px rgba(140, 99, 244, 0.42)) drop-shadow(0 0 14px rgba(79, 217, 238, 0.1));
}

.topbar nav {
  align-items: center;
  gap: 4px;
}

#public-nav {
  margin-left: auto;
}

.topbar nav a:not(.button) {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 11px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 580;
  transition: color var(--duration-fast) ease, background-color var(--duration-fast) ease;
}

.topbar nav a:not(.button)::after {
  display: none;
}

.topbar nav a:not(.button):hover,
.topbar nav a:not(.button).active {
  color: var(--color-text);
  background: var(--surface-muted);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-toggle,
.mobile-menu {
  flex: 0 0 auto;
}

.menu-close-icon {
  display: none;
  font-size: 23px;
  font-weight: 320;
  line-height: 1;
}

.mobile-backdrop {
  display: none;
  position: fixed;
  z-index: calc(var(--z-drawer) - 1);
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: rgba(2, 4, 8, 0.58);
  backdrop-filter: blur(4px);
}

.mobile-panel {
  z-index: var(--z-drawer);
}

/* Controls */
.button {
  min-height: var(--control-height);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 17px;
  border: 1px solid rgba(198, 181, 255, 0.44);
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, #9c79f9, var(--color-brand) 58%, #7650d7);
  color: #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), var(--shadow-xs);
  font-size: 13px;
  font-weight: 690;
  line-height: 1;
  cursor: pointer;
  transition:
    transform var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) ease,
    background-color var(--duration-fast) ease,
    box-shadow var(--duration-fast) ease,
    color var(--duration-fast) ease;
}

.button:hover,
.button:focus-visible {
  border-color: rgba(103, 232, 249, 0.66);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.24),
    0 12px 30px rgba(92, 56, 181, 0.18),
    0 0 20px rgba(79, 217, 238, 0.07);
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(0) scale(0.985);
  transition-duration: var(--duration-instant);
}

.button.ghost {
  border-color: var(--color-border-strong);
  background: rgba(255, 255, 255, 0.025);
  color: var(--color-text-soft);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.025);
}

.button.ghost:hover,
.button.ghost:focus-visible {
  border-color: rgba(79, 217, 238, 0.52);
  background: var(--color-accent-soft);
  color: var(--color-text);
  box-shadow: 0 0 18px rgba(79, 217, 238, 0.07);
}

.button.danger,
.button.ghost.danger {
  border-color: color-mix(in srgb, var(--color-danger) 38%, var(--color-border));
  background: color-mix(in srgb, var(--color-danger) 8%, transparent);
  color: var(--color-danger);
}

.button.small {
  min-height: var(--control-height-sm);
  padding-inline: 13px;
  border-radius: 10px;
  font-size: 12px;
}

.button.large {
  min-height: var(--control-height-lg);
  padding-inline: 21px;
  border-radius: 14px;
  font-size: 14px;
}

.button:disabled,
.button[data-loading] {
  opacity: 0.46;
  box-shadow: none;
  transform: none;
  cursor: not-allowed;
}

.icon-btn,
.tool-btn,
.copy-control,
.chip,
.model-button,
.model-settings-btn,
.notification-nav,
.notification-dismiss,
.prefix-copy,
.scroll-bottom,
.password-toggle {
  border-color: var(--color-border);
  background: rgba(255, 255, 255, 0.025);
  color: var(--color-text-muted);
  box-shadow: none;
  transition:
    transform var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) ease,
    background-color var(--duration-fast) ease,
    color var(--duration-fast) ease,
    box-shadow var(--duration-fast) ease;
}

.icon-btn:hover,
.icon-btn:focus-visible,
.tool-btn:hover,
.tool-btn:focus-visible,
.copy-control:hover,
.copy-control:focus-visible,
.chip:hover,
.chip:focus-visible,
.model-button:hover,
.model-button:focus-visible,
.model-settings-btn:hover,
.model-settings-btn:focus-visible,
.notification-nav:hover,
.notification-nav:focus-visible,
.notification-dismiss:hover,
.notification-dismiss:focus-visible,
.prefix-copy:hover,
.prefix-copy:focus-visible,
.scroll-bottom:hover,
.scroll-bottom:focus-visible,
.password-toggle:hover,
.password-toggle:focus-visible {
  border-color: rgba(79, 217, 238, 0.5);
  background: var(--color-accent-soft);
  color: var(--color-text);
  box-shadow: var(--glow-accent);
}

.icon-btn:active,
.tool-btn:active,
.copy-control:active,
.chip:active {
  transform: scale(0.96);
}

/* Shared surfaces and fields */
.card,
.metric,
.key-card,
.hero-card,
.composer,
.settings-menu,
.modal-card {
  border-color: var(--color-border);
  background: linear-gradient(180deg, color-mix(in srgb, var(--color-surface-2) 82%, transparent), var(--color-surface-1));
  box-shadow: var(--shadow-sm);
}

.card,
.metric,
.key-card {
  border-radius: var(--radius-xl);
  transition: border-color var(--duration-fast) ease, box-shadow var(--duration-base) ease, transform var(--duration-base) var(--ease-out);
}

.card:hover,
.metric:hover,
.key-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-sm), 0 0 20px rgba(140, 99, 244, 0.045);
}

input,
textarea,
select,
.auth-card input,
.system-input,
.modal-field input,
.docs-jump,
.admin-filter input,
.admin-filter select,
.admin-form input,
.admin-form select,
.admin-form textarea,
.admin-model-card input,
.inline-filter input,
.admin-detail-form input,
.admin-detail-form select,
.admin-detail-form textarea {
  border-color: var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-control);
  color: var(--color-text);
  transition: border-color var(--duration-fast) ease, background-color var(--duration-fast) ease, box-shadow var(--duration-fast) ease;
}

input:hover,
textarea:hover,
select:hover {
  border-color: color-mix(in srgb, var(--color-brand) 28%, var(--color-border));
}

input:focus,
textarea:focus,
select:focus,
.auth-card input:focus,
.system-input:focus,
.modal-field input:focus,
.docs-jump:focus,
.admin-filter input:focus,
.admin-filter select:focus,
.admin-form input:focus,
.admin-form select:focus,
.admin-form textarea:focus,
.admin-model-card input:focus,
.inline-filter input:focus,
.admin-detail-form input:focus,
.admin-detail-form select:focus,
.admin-detail-form textarea:focus {
  border-color: color-mix(in srgb, var(--color-focus) 62%, var(--color-brand));
  background: var(--color-surface-1);
  box-shadow: 0 0 0 3px var(--color-brand-soft), 0 0 18px rgba(79, 217, 238, 0.045);
  outline: none;
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-faint);
  opacity: 0.82;
}

/* Public marketing shell */
.marketing-page.active,
.product-page.active {
  display: flex;
  flex-direction: column;
  min-height: calc(100dvh - var(--topbar-h));
  padding: 0;
}

.marketing-container {
  width: min(var(--marketing-content), calc(100% - 48px));
  margin-inline: auto;
}

.landing-hero {
  min-height: min(790px, calc(100dvh - var(--topbar-h)));
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(460px, 1.08fr);
  align-items: center;
  gap: clamp(48px, 7vw, 104px);
  padding-block: 88px 92px;
}

.landing-hero .hero-copy {
  max-width: 610px;
  position: relative;
  z-index: 2;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--accent-2);
  font-size: 10px;
  font-weight: 760;
  line-height: 1.2;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

.live-dot {
  width: 6px;
  height: 6px;
  display: inline-block;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-success) 11%, transparent);
}

.landing-hero h1 {
  max-width: 720px;
  margin: 24px 0 24px;
  font-size: clamp(52px, 6.1vw, 82px);
  font-weight: 690;
  line-height: 0.99;
  letter-spacing: -0.062em;
  text-wrap: balance;
}

.hero-lead {
  max-width: 600px;
  margin: 0;
  color: var(--color-text-muted);
  font-size: clamp(17px, 1.65vw, 20px);
  line-height: 1.58;
  letter-spacing: -0.015em;
}

.landing-hero .actions {
  margin-top: 34px;
}

.landing-hero .hero-proof {
  margin-top: 32px;
  gap: 8px;
}

.landing-hero .hero-proof span {
  height: 31px;
  padding: 0 10px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.022);
  color: var(--color-text-muted);
  font-size: 10px;
  font-weight: 620;
  letter-spacing: 0.02em;
}

.hero-visual {
  min-width: 0;
  position: relative;
  padding: 54px 0 44px;
}

.hero-visual::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 2% -12%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 78, 225, 0.13), rgba(79, 217, 238, 0.025) 40%, transparent 68%);
  filter: blur(8px);
}

.orbit {
  position: absolute;
  z-index: -1;
  border: 1px solid rgba(167, 139, 250, 0.07);
  border-radius: 50%;
  pointer-events: none;
}

.orbit-one {
  width: 530px;
  height: 260px;
  top: 108px;
  left: -40px;
  transform: rotate(-18deg);
}

.orbit-two {
  width: 410px;
  height: 410px;
  top: 30px;
  right: -74px;
  border-color: rgba(79, 217, 238, 0.045);
}

.hero-card {
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(177, 151, 252, 0.16);
  border-radius: var(--radius-xl);
  background: rgba(8, 11, 18, 0.94);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(140, 99, 244, 0.035);
  transform: none;
}

.hero-card:hover {
  border-color: rgba(79, 217, 238, 0.3);
  box-shadow: var(--shadow-lg), 0 0 26px rgba(140, 99, 244, 0.07);
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(110deg, transparent 0 44%, rgba(255, 255, 255, 0.018) 50%, transparent 56%);
}

.hero-card .terminal-head {
  min-height: 52px;
  display: flex;
  align-items: center;
  padding: 0 17px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.055);
  background: rgba(255, 255, 255, 0.018);
  color: #8d97aa;
  font: 11px/1 var(--font-mono);
}

.hero-card .terminal-head > span {
  margin-left: 0;
}

.hero-card .terminal-head > span:nth-child(2) {
  margin-left: auto;
}

.terminal-lights {
  display: flex;
  gap: 6px;
}

.terminal-lights i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.13);
}

.terminal-lights i:nth-child(2) {
  background: rgba(140, 99, 244, 0.42);
}

.terminal-lights i:nth-child(3) {
  background: rgba(79, 217, 238, 0.34);
}

.terminal-state {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #738094;
}

.hero-card .terminal-head .embedded-copy-control,
.code-panel-head .embedded-copy-control {
  width: auto;
  min-width: 0;
  height: 28px;
  min-height: 28px;
  margin: 0 0 0 10px;
  padding: 0 9px;
  border-radius: 8px;
  font-size: 9px;
}

.code-panel-head .embedded-copy-control {
  margin-left: auto;
}

.terminal-state i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-success);
}

.hero-card pre {
  min-height: 348px;
  margin: 0;
  padding: 29px 30px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #dce3ef;
  font-size: clamp(12px, 1.15vw, 14px);
  line-height: 1.78;
}

.code-muted {
  color: #9d80f1;
}

.code-string {
  color: #86d7e4;
}

.terminal-result {
  min-height: 52px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.055);
  background: rgba(255, 255, 255, 0.015);
  color: #8f9bad;
  font: 11px/1 var(--font-mono);
}

.terminal-prompt {
  color: var(--color-accent);
}

.terminal-latency {
  margin-left: auto;
  color: var(--color-success);
}

.hero-signal {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  border: 1px solid var(--color-border);
  border-radius: 11px;
  background: rgba(13, 17, 25, 0.9);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
  font-size: 10px;
}

.hero-signal span {
  color: var(--color-accent);
  font: 9px/1 var(--font-mono);
  letter-spacing: 0.08em;
}

.hero-signal b {
  color: var(--color-text-soft);
  font-weight: 580;
}

.signal-one {
  top: 28px;
  right: 28px;
}

.signal-two {
  bottom: 14px;
  left: 32px;
}

.trust-strip {
  border-block: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.012);
}

.trust-grid {
  min-height: 76px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: center;
}

.trust-grid span {
  padding-inline: 20px;
  border-right: 1px solid var(--color-border);
  color: var(--color-text-faint);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
}

.trust-grid span:first-child {
  padding-left: 0;
  text-align: left;
}

.trust-grid span:last-child {
  padding-right: 0;
  border-right: 0;
  text-align: right;
}

.marketing-section {
  padding-block: clamp(96px, 10vw, 144px);
}

.section-heading {
  max-width: 780px;
  margin: 0 auto 54px;
  text-align: center;
}

.section-heading.align-left {
  margin-left: 0;
  text-align: left;
}

.section-heading h2,
.assurance-copy h2,
.marketing-cta h2 {
  margin: 18px 0 18px;
  color: var(--color-text);
  font-size: clamp(36px, 4.5vw, 58px);
  font-weight: 650;
  line-height: 1.04;
  letter-spacing: -0.052em;
  text-wrap: balance;
}

.section-heading p,
.assurance-copy p,
.marketing-cta p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 17px;
  line-height: 1.68;
}

.feature-bento {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.feature-card {
  min-height: 380px;
  overflow: hidden;
  position: relative;
  padding: 34px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 100% 0, rgba(140, 99, 244, 0.065), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0.008));
  transition: border-color var(--duration-base) ease, background-color var(--duration-base) ease, transform var(--duration-base) var(--ease-out);
}

.feature-card:hover {
  border-color: rgba(177, 151, 252, 0.24);
  transform: translateY(-2px);
}

.feature-card-wide {
  min-height: 340px;
}

.feature-index {
  position: absolute;
  top: 28px;
  right: 30px;
  color: var(--color-text-faint);
  font: 10px/1 var(--font-mono);
  letter-spacing: 0.08em;
}

.feature-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  margin-bottom: 62px;
  border: 1px solid rgba(177, 151, 252, 0.18);
  border-radius: 13px;
  background: var(--color-brand-soft);
  color: var(--accent-2);
  font-size: 18px;
}

.feature-card h3 {
  margin: 0 0 13px;
  font-size: 24px;
  font-weight: 620;
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.feature-card p {
  max-width: 600px;
  margin: 0;
  color: var(--color-text-muted);
  font-size: 15px;
  line-height: 1.65;
}

.protocol-row {
  min-height: 42px;
  display: grid;
  grid-template-columns: 48px 1fr 38px;
  align-items: center;
  gap: 10px;
  margin-top: 17px;
  padding: 0 13px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.12);
}

.protocol-row + .protocol-row {
  margin-top: 7px;
}

.protocol-row span,
.protocol-row i {
  font: 9px/1 var(--font-mono);
  letter-spacing: 0.06em;
}

.protocol-row span {
  color: var(--color-accent);
}

.protocol-row code {
  color: var(--color-text-soft);
  font-size: 11px;
}

.protocol-row i {
  color: var(--color-success);
  font-style: normal;
  text-align: right;
}

.local-flow {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto;
  align-items: center;
  gap: 10px;
  margin-top: 34px;
}

.local-flow b {
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: 9px;
  color: var(--color-text-soft);
  font: 9px/1 var(--font-mono);
}

.local-flow i {
  height: 1px;
  position: relative;
  background: linear-gradient(90deg, var(--color-brand), var(--color-accent));
  opacity: 0.46;
}

.local-flow i::after {
  content: "";
  position: absolute;
  top: -2px;
  right: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent);
}

.mini-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 34px;
}

.mini-metrics span {
  min-height: 64px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
}

.mini-metrics i {
  width: var(--metric-width, 72%);
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--color-brand), var(--color-accent));
}

.mini-metrics span:nth-child(2) i {
  width: 48%;
}

.mini-metrics span:nth-child(3) i {
  width: 84%;
}

.mini-metrics b {
  color: var(--color-text-faint);
  font: 9px/1 var(--font-mono);
}

.security-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 34px;
}

.security-pills span {
  padding: 8px 11px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text-muted);
  font: 10px/1 var(--font-mono);
}

.agent-section {
  position: relative;
}

.agent-section::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 12% -16%;
  background: radial-gradient(ellipse at center, rgba(140, 99, 244, 0.06), transparent 64%);
}

.agent-diagram {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 90px minmax(0, 1fr) 90px minmax(0, 1fr);
  align-items: center;
  margin-top: 52px;
}

.flow-node {
  min-height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.018);
}

.flow-node.accent {
  border-color: rgba(177, 151, 252, 0.25);
  background: linear-gradient(145deg, rgba(140, 99, 244, 0.1), rgba(255, 255, 255, 0.012));
  box-shadow: 0 0 34px rgba(140, 99, 244, 0.05);
}

.flow-node > span {
  margin-bottom: auto;
  color: var(--color-text-faint);
  font: 10px/1 var(--font-mono);
}

.flow-node b {
  margin-bottom: 7px;
  font-size: 16px;
  font-weight: 620;
}

.flow-node small {
  color: var(--color-text-muted);
  font-size: 12px;
  line-height: 1.5;
}

.flow-link {
  height: 1px;
  overflow: visible;
  position: relative;
  background: linear-gradient(90deg, rgba(140, 99, 244, 0.28), rgba(79, 217, 238, 0.35));
}

.flow-link::after {
  content: "";
  position: absolute;
  top: -3px;
  right: -1px;
  width: 7px;
  height: 7px;
  border-top: 1px solid var(--color-accent);
  border-right: 1px solid var(--color-accent);
  transform: rotate(45deg);
}

.flow-link span {
  width: 5px;
  height: 5px;
  position: absolute;
  top: -2px;
  left: 0;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 10px var(--color-accent);
  animation: signal-travel 2.8s linear infinite;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 30px;
  color: var(--color-text-soft);
  font-size: 13px;
  font-weight: 650;
  transition: gap var(--duration-fast) var(--ease-out), color var(--duration-fast) ease;
}

.text-link:hover,
.text-link:focus-visible {
  gap: 13px;
  color: var(--color-accent);
}

.quickstart-grid {
  display: grid;
  grid-template-columns: 0.76fr 1.24fr;
  gap: 14px;
}

.quickstart-steps,
.code-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.015);
}

.quickstart-steps {
  padding: 14px;
}

.quickstep {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  padding: 19px;
  border: 1px solid transparent;
  border-radius: 13px;
}

.quickstep.active {
  border-color: var(--color-border);
  background: var(--surface-muted);
}

.quickstep > span {
  width: 29px;
  height: 29px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: 9px;
  color: var(--accent-2);
  font: 10px/1 var(--font-mono);
}

.quickstep div {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.quickstep b {
  color: var(--color-text-soft);
  font-size: 13px;
  font-weight: 620;
}

.quickstep small {
  color: var(--color-text-faint);
  font-size: 11px;
}

.code-panel {
  overflow: hidden;
  background: var(--color-code);
}

.code-panel-head {
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.055);
  color: #8590a2;
  font: 10px/1 var(--font-mono);
}

.code-panel pre {
  min-height: 210px;
  display: flex;
  align-items: center;
  margin: 0;
  padding: 28px;
  border: 0;
  background: transparent;
  font-size: 13px;
  line-height: 1.8;
}

.assurance-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: clamp(48px, 8vw, 112px);
}

.assurance-card {
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.014);
}

.assurance-card > div {
  min-height: 82px;
  display: grid;
  grid-template-columns: 12px 1fr;
  align-content: center;
  column-gap: 14px;
  padding: 13px 17px;
  border-bottom: 1px solid var(--color-border);
}

.assurance-card > div:last-child {
  border-bottom: 0;
}

.assurance-card b,
.assurance-card small {
  grid-column: 2;
}

.assurance-card b {
  color: var(--color-text-soft);
  font-size: 13px;
  font-weight: 620;
}

.assurance-card small {
  margin-top: 4px;
  color: var(--color-text-faint);
  font-size: 11px;
}

.health-dot {
  width: 7px;
  height: 7px;
  grid-row: 1 / 3;
  align-self: center;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-success) 9%, transparent);
}

.health-dot.neutral {
  background: var(--color-text-faint);
  box-shadow: 0 0 0 4px rgba(135, 144, 160, 0.07);
}

.faq-section {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: clamp(48px, 8vw, 112px);
}

.faq-list {
  border-top: 1px solid var(--color-border);
}

.faq-list details {
  border-bottom: 1px solid var(--color-border);
  interpolate-size: allow-keywords;
}

@supports selector(details::details-content) {
  .faq-list details::details-content {
    height: 0;
    overflow: clip;
    opacity: 0;
    transition: height 360ms var(--ease-out), opacity 240ms ease, content-visibility 360ms allow-discrete;
  }

  .faq-list details[open]::details-content {
    height: auto;
    opacity: 1;
  }
}

.faq-list summary {
  min-height: 78px;
  display: grid;
  grid-template-columns: 1fr 32px;
  align-items: center;
  gap: 20px;
  color: var(--color-text-soft);
  font-size: 15px;
  font-weight: 600;
  list-style: none;
  cursor: pointer;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary span {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-text-muted);
  font-size: 18px;
  font-weight: 320;
  transition: transform var(--duration-base) var(--ease-out), border-color var(--duration-fast) ease, color var(--duration-fast) ease;
}

.faq-list details[open] summary span {
  border-color: rgba(79, 217, 238, 0.32);
  color: var(--color-accent);
  transform: rotate(45deg);
}

.faq-list p {
  max-width: 720px;
  margin: -3px 52px 27px 0;
  color: var(--color-text-muted);
  font-size: 14px;
  line-height: 1.7;
}

.marketing-cta {
  overflow: hidden;
  position: relative;
  display: grid;
  grid-template-columns: 84px 1fr auto;
  align-items: center;
  gap: 34px;
  margin-block: 30px 120px;
  padding: 44px;
  border: 1px solid rgba(177, 151, 252, 0.2);
  border-radius: var(--radius-2xl);
  background:
    radial-gradient(circle at 0 50%, rgba(140, 99, 244, 0.13), transparent 34%),
    linear-gradient(145deg, rgba(140, 99, 244, 0.07), rgba(255, 255, 255, 0.012));
}

.marketing-cta::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(110deg, transparent 0 68%, rgba(79, 217, 238, 0.025));
}

.cta-star {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(177, 151, 252, 0.18);
  border-radius: 20px;
  background: rgba(140, 99, 244, 0.07);
}

.cta-star img {
  width: 44px;
  height: 44px;
  filter: drop-shadow(0 0 13px rgba(140, 99, 244, 0.35));
}

.marketing-cta h2 {
  margin-block: 10px 10px;
  font-size: clamp(27px, 3vw, 40px);
}

.marketing-cta p {
  max-width: 660px;
  font-size: 14px;
}

.marketing-cta .actions {
  justify-content: flex-end;
}

/* Product pages */
.product-page {
  padding-bottom: 120px;
}

.product-hero {
  max-width: 940px;
  padding-block: 112px 72px;
  text-align: center;
}

.product-hero h1 {
  margin: 22px 0 24px;
  font-size: clamp(48px, 6.5vw, 78px);
  font-weight: 670;
  line-height: 1;
  letter-spacing: -0.06em;
  text-wrap: balance;
}

.product-hero p {
  max-width: 760px;
  margin: 0 auto;
  color: var(--color-text-muted);
  font-size: 18px;
  line-height: 1.68;
}

/* Pricing and money billing */
.pricing-page {
  --pricing-line: color-mix(in srgb, var(--color-brand) 20%, var(--color-border));
}

.pricing-hero {
  max-width: var(--marketing-content);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 48px;
  text-align: left;
}

.pricing-hero h1,
.pricing-hero p {
  margin-inline: 0;
}

.pricing-hero h1 {
  margin-bottom: 18px;
}

.pricing-hero p {
  max-width: 690px;
}

.currency-switch {
  width: max-content;
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(54px, 1fr));
  gap: 3px;
  padding: 3px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: color-mix(in srgb, var(--color-surface-2) 76%, transparent);
}

.currency-switch button {
  min-height: 34px;
  padding: 0 13px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--color-text-faint);
  font: 700 10px/1 var(--font-mono);
  letter-spacing: 0.06em;
  transition: color var(--duration-fast) ease, background-color var(--duration-fast) ease, box-shadow var(--duration-fast) ease;
}

.currency-switch button:hover,
.currency-switch button:focus-visible {
  color: var(--color-text);
}

.currency-switch button.active {
  background: var(--color-brand-soft);
  color: var(--accent-2);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--color-brand) 24%, transparent);
}

.pricing-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.pricing-search {
  width: min(380px, 100%);
}

.pricing-search input {
  width: 100%;
  min-height: 46px;
  padding-inline: 16px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.price-card {
  min-width: 0;
  min-height: 390px;
  display: flex;
  flex-direction: column;
  padding: 26px;
  border: 1px solid var(--pricing-line);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 100% 0, rgba(140, 99, 244, 0.085), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.021), rgba(255, 255, 255, 0.008));
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration-base) var(--ease-out), border-color var(--duration-fast) ease, box-shadow var(--duration-base) ease;
}

.price-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--color-brand) 38%, var(--color-border));
  box-shadow: var(--shadow-sm), 0 0 26px rgba(140, 99, 244, 0.065);
}

.price-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.price-card h2 {
  margin: 11px 0 0;
  overflow-wrap: anywhere;
  font-size: 23px;
  font-weight: 640;
  letter-spacing: -0.035em;
}

.model-code {
  color: var(--color-text-faint);
  font: 10px/1.4 var(--font-mono);
}

.price-card > p {
  min-height: 65px;
  margin: 22px 0;
  color: var(--color-text-muted);
  font-size: 13px;
  line-height: 1.65;
}

.price-lines {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-border);
}

.price-lines > div {
  min-height: 48px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 5px;
  padding: 0 14px;
  background: color-mix(in srgb, var(--color-surface-1) 94%, transparent);
}

.price-lines span,
.price-lines small {
  color: var(--color-text-faint);
  font-size: 10px;
}

.price-lines strong {
  color: var(--color-text-soft);
  font: 650 14px/1 var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.price-lines .accent strong {
  color: var(--accent-2);
}

.price-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-top: auto;
  padding-top: 22px;
  color: var(--color-text-faint);
  font-size: 10px;
}

.price-meta b {
  color: var(--color-text-muted);
  font-weight: 620;
}

.pricing-empty {
  grid-column: 1 / -1;
  min-height: 240px;
  display: grid;
  place-content: center;
  gap: 6px;
  padding: 30px;
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-xl);
  color: var(--color-text-muted);
  text-align: center;
}

.pricing-empty strong {
  color: var(--color-text);
  font-size: 18px;
}

.skeleton-card {
  min-height: 390px;
}

.pricing-disclosure {
  display: grid;
  grid-template-columns: minmax(220px, 0.62fr) minmax(0, 1fr);
  gap: 56px;
  margin-top: 64px;
  padding: 34px 0;
  border-block: 1px solid var(--color-border);
}

.pricing-disclosure h2 {
  margin: 13px 0 0;
  font-size: 27px;
  letter-spacing: -0.04em;
}

.pricing-disclosure p {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.75;
}

.dashboard-currency {
  align-self: center;
}

#billing-debt-metric.danger {
  border-color: color-mix(in srgb, var(--color-danger) 34%, var(--color-border));
  background: linear-gradient(145deg, color-mix(in srgb, var(--color-danger) 9%, transparent), rgba(255, 255, 255, 0.008));
}

#billing-debt-metric.danger strong {
  color: var(--color-danger);
}

.billing-limit-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}

.billing-limit-form label,
.billing-price-form label {
  min-width: 0;
}

.billing-limit-form .billing-reason,
.billing-limit-form .button {
  grid-column: 1 / -1;
}

.billing-limit-form .button {
  justify-self: start;
}

.admin-billing-top {
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(0, 1.28fr);
  gap: 14px;
  margin-bottom: 14px;
}

.admin-billing-top > * {
  min-width: 0;
}

.upstream-model-picker {
  margin-bottom: 14px;
}

.setup-step {
  display: block;
  margin-bottom: 7px;
  color: var(--color-brand);
  font-size: 10px !important;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.upstream-picker-toolbar {
  display: grid;
  grid-template-columns: minmax(240px, 0.65fr) minmax(0, 1fr);
  align-items: end;
  gap: 16px;
  margin-bottom: 14px;
}

.upstream-picker-toolbar label {
  display: grid;
  gap: 7px;
  color: var(--color-text-soft);
  font-size: 13px;
  font-weight: 680;
}

.upstream-picker-toolbar input {
  width: 100%;
  min-height: 44px;
  padding: 10px 13px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-control);
  color: var(--color-text);
}

.upstream-catalog-status {
  justify-self: end;
  padding-bottom: 11px;
  color: var(--color-text-muted);
  font-size: 12px;
}

.upstream-catalog-status.ready::before,
.upstream-catalog-status.error::before {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--color-success);
  content: "";
}

.upstream-catalog-status.error {
  color: var(--color-danger);
}

.upstream-catalog-status.error::before {
  background: var(--color-danger);
}

.upstream-model-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 8px;
  max-height: 342px;
  padding: 2px;
  overflow: auto;
  scrollbar-gutter: stable;
}

.upstream-model-option {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-width: 0;
  min-height: 66px;
  padding: 11px 12px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: color-mix(in srgb, var(--color-control) 88%, transparent);
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  transition: border-color var(--duration-fast) ease, background-color var(--duration-fast) ease, box-shadow var(--duration-fast) ease, transform var(--duration-fast) ease;
}

.upstream-model-option:hover,
.upstream-model-option:focus-visible,
.upstream-model-option[aria-selected="true"] {
  border-color: color-mix(in srgb, var(--color-focus) 58%, var(--color-brand));
  background: color-mix(in srgb, var(--color-brand-soft) 55%, var(--color-surface-1));
  box-shadow: 0 0 0 3px var(--color-brand-soft), 0 10px 28px rgba(6, 10, 20, 0.12);
  outline: none;
  transform: translateY(-1px);
}

.upstream-model-option.configured {
  border-color: color-mix(in srgb, var(--color-success) 30%, var(--color-border));
}

.upstream-model-mark {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--color-brand) 35%, var(--color-border));
  border-radius: 9px;
  background: var(--color-brand-soft);
  color: var(--color-brand);
  font-weight: 800;
}

.upstream-model-option.configured .upstream-model-mark {
  border-color: color-mix(in srgb, var(--color-success) 40%, var(--color-border));
  background: color-mix(in srgb, var(--color-success) 12%, transparent);
  color: var(--color-success);
}

.upstream-model-copy {
  min-width: 0;
}

.upstream-model-copy b,
.upstream-model-copy small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.upstream-model-copy b {
  font-size: 13px;
}

.upstream-model-copy small {
  margin-top: 4px;
  color: var(--color-text-muted);
  font-size: 11px;
}

.upstream-model-action {
  color: var(--color-brand);
  font-size: 11px;
  font-weight: 760;
  white-space: nowrap;
}

.upstream-picker-empty {
  grid-column: 1 / -1;
  display: grid;
  min-height: 110px;
  place-content: center;
  gap: 7px;
  color: var(--color-text-muted);
  text-align: center;
}

.upstream-picker-empty .skeleton {
  width: min(520px, 70vw);
  height: 16px;
}

.upstream-picker-empty.error b {
  color: var(--color-danger);
}

.upstream-picker-empty .button {
  justify-self: center;
  margin-top: 5px;
}

.upstream-picker-footer {
  display: flex;
  justify-content: center;
  gap: 7px;
  margin-top: 14px;
  font-size: 12px;
}

.text-button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-brand);
  font: inherit;
  font-weight: 720;
  cursor: pointer;
}

.text-button:hover,
.text-button:focus-visible {
  color: var(--color-focus);
  text-decoration: underline;
  outline: none;
}

.billing-price-form {
  margin-bottom: 14px;
  scroll-margin-top: 24px;
}

.selected-upstream {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  border: 1px solid color-mix(in srgb, var(--color-brand) 32%, var(--color-border));
  border-radius: 14px;
  background: color-mix(in srgb, var(--color-brand-soft) 45%, transparent);
}

.selected-upstream.empty {
  border-style: dashed;
  border-color: var(--color-border);
  background: var(--color-control);
  color: var(--color-text-muted);
}

.selected-upstream-icon {
  display: grid;
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 10px;
  background: var(--color-brand-soft);
  color: var(--color-brand);
  font-size: 17px;
}

.selected-upstream b,
.selected-upstream small {
  display: block;
}

.selected-upstream small {
  margin-top: 3px;
  color: var(--color-text-muted);
  font-size: 11px;
}

.billing-identity-fields {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.billing-identity-fields label small {
  color: var(--color-text-muted);
  font-size: 10px;
  font-weight: 500;
}

.billing-identity-fields input[readonly] {
  color: var(--color-text-muted);
  cursor: default;
}

.billing-price-fieldset {
  min-width: 0;
  margin: 2px 0 0;
  padding: 16px;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  background: color-mix(in srgb, var(--color-control) 45%, transparent);
}

.billing-price-fieldset legend {
  padding-inline: 8px;
  color: var(--color-text-soft);
  font-size: 12px;
  font-weight: 760;
}

.billing-price-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.billing-price-grid label {
  padding: 13px;
  border: 1px solid var(--color-border);
  border-radius: 13px;
  background: var(--color-surface-1);
}

.billing-price-grid label > span:first-child {
  color: var(--color-text);
}

.price-input {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  color: var(--color-brand);
  font-size: 18px;
}

.price-input input {
  min-width: 0;
  padding-inline: 0;
  border: 0;
  background: transparent;
  box-shadow: none !important;
  font-size: 18px;
  font-weight: 720;
}

.billing-price-grid small {
  color: var(--color-text-muted);
  font-size: 10px;
  font-weight: 500;
}

.billing-price-preview {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 12px;
}

.billing-price-preview strong {
  color: var(--color-text);
  font-size: 14px;
}

.billing-advanced {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: color-mix(in srgb, var(--color-control) 35%, transparent);
}

.billing-advanced summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

.billing-advanced summary::-webkit-details-marker {
  display: none;
}

.billing-advanced summary b,
.billing-advanced summary small {
  display: block;
}

.billing-advanced summary small {
  margin-top: 3px;
  color: var(--color-text-muted);
  font-size: 11px;
  font-weight: 500;
}

.billing-advanced summary > span:last-child {
  color: var(--color-brand);
  font-size: 20px;
  transition: transform var(--duration-fast) ease;
}

.billing-advanced[open] summary > span:last-child {
  transform: rotate(45deg);
}

.billing-advanced-body {
  display: grid;
  gap: 14px;
  padding: 0 16px 16px;
}

.billing-advanced-fields {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.billing-form-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.billing-form-actions .button {
  min-width: 220px;
}

.billing-admin-review {
  align-items: center;
  gap: 14px;
}

.billing-admin-review > span:first-child {
  min-width: 0;
  overflow-wrap: anywhere;
}

.billing-admin-review small,
.admin-prices-body small,
#admin-prices-body small {
  display: block;
  margin-top: 4px;
  color: var(--color-text-faint);
  font-size: 10px;
}

.review-actions {
  width: min(440px, 60%);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 7px;
}

.review-actions input {
  min-width: 120px;
  flex: 1 1 180px;
}

.status.warn {
  border-color: color-mix(in srgb, var(--color-warning) 30%, var(--color-border));
  color: var(--color-warning);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.capability-card {
  min-height: 420px;
  position: relative;
  padding: 30px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.016);
}

.capability-card.featured {
  border-color: rgba(177, 151, 252, 0.24);
  background: linear-gradient(145deg, rgba(140, 99, 244, 0.08), rgba(255, 255, 255, 0.012));
}

.capability-mark {
  color: var(--color-text-faint);
  font: 10px/1 var(--font-mono);
}

.capability-card h2 {
  margin: 86px 0 14px;
  font-size: 25px;
  font-weight: 630;
  letter-spacing: -0.04em;
}

.capability-card p {
  min-height: 86px;
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.65;
}

.capability-card ul {
  display: grid;
  gap: 10px;
  margin: 26px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-soft);
  font: 11px/1.4 var(--font-mono);
  list-style: none;
}

.capability-card li::before {
  content: "›";
  margin-right: 9px;
  color: var(--color-accent);
}

.product-note {
  display: grid;
  grid-template-columns: 190px 1fr auto;
  align-items: center;
  gap: 28px;
  margin-top: 14px;
  padding: 24px 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.product-note > span {
  color: var(--color-text-soft);
  font-weight: 620;
}

.product-note p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 13px;
}

.integration-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  align-items: start;
  gap: 42px;
}

.integration-index {
  position: sticky;
  top: calc(var(--topbar-h) + 24px);
  display: grid;
  gap: 4px;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.014);
}

.integration-index a {
  min-height: 40px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 10px;
  color: var(--color-text-muted);
  font-size: 12px;
  font-weight: 590;
}

.integration-index a:hover,
.integration-index a:focus-visible {
  background: var(--surface-muted);
  color: var(--color-text);
}

.integration-content {
  display: grid;
  gap: 14px;
}

.integration-card {
  scroll-margin-top: calc(var(--topbar-h) + 24px);
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.014);
}

.integration-head {
  display: flex;
  align-items: center;
  gap: 15px;
}

.integration-head > div {
  min-width: 0;
}

.integration-head h2,
.integration-head p {
  margin: 0;
}

.integration-head h2 {
  font-size: 18px;
  font-weight: 620;
  letter-spacing: -0.025em;
}

.integration-head p {
  margin-top: 3px;
  color: var(--color-text-muted);
  font-size: 12px;
}

.integration-icon {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-brand-soft);
  color: var(--accent-2);
  font: 11px/1 var(--font-mono);
}

.recommended {
  margin-left: auto;
  padding: 7px 9px;
  border: 1px solid rgba(71, 215, 174, 0.18);
  border-radius: 999px;
  background: rgba(71, 215, 174, 0.06);
  color: var(--color-success);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.integration-card pre {
  margin: 24px 0 0;
  border-radius: var(--radius-md);
  font-size: 12px;
}

.integration-hint {
  margin: 17px 0 0;
  color: var(--color-text-muted);
  font-size: 12px;
  line-height: 1.6;
}

.status-overview {
  min-height: 116px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.016);
}

.status-overview > div {
  display: flex;
  align-items: center;
  gap: 17px;
}

.status-overview h2,
.status-overview p {
  margin: 0;
}

.status-overview h2 {
  font-size: 18px;
  font-weight: 620;
}

.status-overview p,
#public-status-time {
  margin-top: 5px;
  color: var(--color-text-muted);
  font-size: 12px;
}

.status-orb {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
  border: 3px solid color-mix(in srgb, var(--color-success) 25%, transparent);
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 0 7px color-mix(in srgb, var(--color-success) 8%, transparent), 0 0 20px color-mix(in srgb, var(--color-success) 18%, transparent);
}

.status-orb.checking {
  border-color: color-mix(in srgb, var(--color-text-faint) 25%, transparent);
  background: var(--color-text-faint);
  box-shadow: 0 0 0 7px rgba(135, 144, 160, 0.06);
}

.status-orb.error {
  border-color: color-mix(in srgb, var(--color-danger) 25%, transparent);
  background: var(--color-danger);
  box-shadow: 0 0 0 7px color-mix(in srgb, var(--color-danger) 8%, transparent), 0 0 20px color-mix(in srgb, var(--color-danger) 16%, transparent);
}

.status-components {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.status-components article {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.012);
}

.status-components article > div {
  display: flex;
  align-items: center;
  gap: 15px;
}

.status-components h3,
.status-components p {
  margin: 0;
}

.status-components h3 {
  font-size: 14px;
  font-weight: 620;
}

.status-components p {
  margin-top: 4px;
  color: var(--color-text-muted);
  font-size: 11px;
}

.component-icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: 11px;
  color: var(--color-text-muted);
  font: 9px/1 var(--font-mono);
}

.component-badge {
  padding: 7px 9px;
  border: 1px solid rgba(71, 215, 174, 0.18);
  border-radius: 999px;
  background: rgba(71, 215, 174, 0.06);
  color: var(--color-success);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.component-badge.checking,
.component-badge.neutral {
  border-color: var(--color-border);
  background: var(--surface-muted);
  color: var(--color-text-muted);
}

.component-badge.error {
  border-color: color-mix(in srgb, var(--color-danger) 22%, transparent);
  background: color-mix(in srgb, var(--color-danger) 7%, transparent);
  color: var(--color-danger);
}

.status-disclosure {
  margin-top: 44px;
  padding: 30px;
  border-left: 1px solid rgba(79, 217, 238, 0.32);
}

.status-disclosure h2 {
  margin: 0 0 10px;
  font-size: 18px;
}

.status-disclosure p {
  max-width: 800px;
  margin: 0 0 22px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Public footer */
.public-footer {
  display: none;
  position: relative;
  z-index: var(--z-content);
  border-top: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.008);
}

body.marketing-route .public-footer {
  display: block;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(220px, 1.5fr) repeat(3, minmax(130px, 0.7fr));
  gap: 42px;
  padding-block: 60px 44px;
}

.footer-brand {
  max-width: 330px;
}

.footer-brand .brand {
  margin-bottom: 16px;
}

.footer-brand p,
.footer-column a,
.footer-bottom {
  color: var(--color-text-faint);
  font-size: 12px;
}

.footer-brand p {
  line-height: 1.65;
}

.footer-column {
  display: grid;
  align-content: start;
  gap: 11px;
}

.footer-column strong {
  margin-bottom: 6px;
  color: var(--color-text-soft);
  font-size: 11px;
  font-weight: 650;
}

.footer-column a:hover,
.footer-column a:focus-visible {
  color: var(--color-text);
}

.footer-bottom {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--color-border);
}

/* Private application shell on wide screens. */
@media (min-width: 1101px) {
  body.private-nav-active .topbar {
    width: var(--app-sidebar);
    height: 100dvh;
    position: fixed;
    inset: 0 auto 0 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 24px 16px 18px;
    border-right: 1px solid var(--color-border);
    border-bottom: 0;
    background: color-mix(in srgb, var(--color-canvas-raised) 90%, transparent);
  }

  body.private-nav-active .topbar .brand {
    min-height: 42px;
    padding: 0 8px;
  }

  body.private-nav-active #private-nav {
    min-height: 0;
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 3px;
    margin-top: 38px;
  }

  body.private-nav-active #private-nav::before {
    content: "РАБОЧЕЕ ПРОСТРАНСТВО";
    margin: 0 11px 10px;
    color: var(--color-text-faint);
    font-size: 8px;
    font-weight: 750;
    letter-spacing: 0.14em;
  }

  body.private-nav-active #private-nav a:not(.button) {
    min-height: 42px;
    justify-content: flex-start;
    padding: 0 12px;
    color: var(--color-text-muted);
  }

  body.private-nav-active #private-nav a:not(.button).active {
    background: linear-gradient(90deg, var(--color-brand-soft), rgba(255, 255, 255, 0.018));
    color: var(--color-text);
  }

  body.private-nav-active #private-nav #admin-nav:not(.hidden) {
    margin-top: 20px;
  }

  body.private-nav-active #private-nav #admin-nav:not(.hidden)::before {
    content: "ADMIN";
    margin-right: 8px;
    color: var(--color-danger);
    font: 8px/1 var(--font-mono);
  }

  body.private-nav-active #private-nav #logout {
    width: 100%;
    margin-top: auto;
  }

  body.private-nav-active .topbar-actions {
    justify-content: flex-start;
    margin-top: 10px;
    padding-top: 14px;
    border-top: 1px solid var(--color-border);
  }

  body.private-nav-active .topbar-actions::after {
    content: "Тема";
    color: var(--color-text-faint);
    font-size: 11px;
  }

  body.private-nav-active #mobile-menu {
    display: none;
  }

  body.private-nav-active main,
  body.private-nav-active .account-banner,
  body.private-nav-active .public-footer {
    margin-left: var(--app-sidebar);
  }

  body.private-nav-active .account-banner {
    top: 0;
    width: calc(100% - var(--app-sidebar));
  }

  body.private-nav-active .page {
    min-height: 100dvh;
  }

  body.private-nav-active .docs-nav {
    top: var(--banner-h);
    height: calc(100dvh - var(--banner-h));
  }

  body.private-nav-active .docs-content section {
    scroll-margin-top: calc(var(--banner-h) + 26px);
  }

  body.private-nav-active .chat-page.active {
    height: calc(100dvh - var(--banner-h));
    min-height: 0;
  }
}

.app-page {
  background: transparent;
}

.page-head :is(h1, h2) {
  font-size: clamp(32px, 4vw, 45px);
  font-weight: 650;
  letter-spacing: -0.05em;
}

.page-head p {
  color: var(--color-text-muted);
}

.metric strong,
td,
.billing-ledger-card,
.admin-detail-stats strong {
  font-variant-numeric: tabular-nums;
}

.metric {
  min-height: 126px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.022), rgba(255, 255, 255, 0.008));
}

.balance-primary {
  border-color: rgba(177, 151, 252, 0.22);
  background: linear-gradient(145deg, rgba(140, 99, 244, 0.11), rgba(255, 255, 255, 0.01));
  box-shadow: var(--shadow-sm);
}

.balance-primary.warning {
  border-color: color-mix(in srgb, var(--color-warning) 34%, var(--color-border));
}

.balance-primary.warning .metric-sub,
#chat-balance.warning {
  color: var(--color-warning);
}

.bar-fill {
  background: linear-gradient(90deg, var(--color-brand), var(--color-accent));
  box-shadow: none;
}

thead th {
  color: var(--color-text-faint);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

tbody tr {
  transition: background-color var(--duration-fast) ease;
}

tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.period-tabs,
.admin-tabs {
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.018);
}

.period-tabs button,
.admin-tabs button {
  transition: color var(--duration-fast) ease, background-color var(--duration-fast) ease, border-color var(--duration-fast) ease;
}

.period-tabs button.active,
.admin-tabs button.active {
  background: var(--color-brand-soft);
  color: var(--color-text);
}

/* Auth */
.auth-shell {
  width: min(1040px, 100%);
  grid-template-columns: minmax(0, 1.08fr) minmax(380px, 0.92fr);
  gap: 14px;
}

.auth-aside {
  min-height: 590px;
  justify-content: flex-end;
  padding: clamp(36px, 5vw, 62px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  background:
    radial-gradient(circle at 10% 5%, rgba(140, 99, 244, 0.15), transparent 32%),
    radial-gradient(circle at 92% 88%, rgba(79, 217, 238, 0.045), transparent 28%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0.008));
  box-shadow: var(--shadow-sm);
}

.auth-aside::after {
  width: 240px;
  height: 240px;
  right: -76px;
  bottom: -88px;
  border: 1px solid rgba(177, 151, 252, 0.1);
  background: transparent;
  box-shadow: inset 0 0 80px rgba(140, 99, 244, 0.04);
}

.auth-aside h2 {
  max-width: 520px;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 650;
  letter-spacing: -0.052em;
}

.auth-points span::before {
  width: 5px;
  height: 5px;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-soft);
}

.auth-card {
  align-self: stretch;
  justify-content: center;
  padding: clamp(32px, 4vw, 50px);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-sm);
}

.auth-card :is(h1, h2) {
  font-size: 30px;
  font-weight: 650;
  letter-spacing: -0.04em;
}

/* Chat */
.chat-page,
.chat-shell {
  background: transparent;
}

.chat-topbar {
  border-color: var(--color-border);
  background: color-mix(in srgb, var(--color-canvas) 84%, transparent);
  backdrop-filter: blur(16px);
}

.chat-sidebar {
  border-color: var(--color-border);
  background: color-mix(in srgb, var(--color-surface-1) 88%, transparent);
}

.history-item.active,
.model-option.active,
.model-option:hover {
  border-color: rgba(177, 151, 252, 0.2);
  background: var(--color-brand-soft);
}

.message.user .bubble {
  border-color: rgba(177, 151, 252, 0.17);
  background: linear-gradient(145deg, rgba(140, 99, 244, 0.14), var(--color-surface-2));
}

.message.assistant .bubble {
  color: var(--color-text-soft);
}

.composer-area {
  background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--color-canvas) 92%, transparent) 30%, var(--color-canvas));
}

.composer {
  border-color: var(--color-border-strong);
  border-radius: var(--radius-xl);
  background: color-mix(in srgb, var(--color-surface-2) 92%, transparent);
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.025);
}

.composer:hover {
  border-color: color-mix(in srgb, var(--color-brand) 30%, var(--color-border));
}

.composer:focus-within {
  border-color: color-mix(in srgb, var(--color-focus) 48%, var(--color-brand));
  background: var(--color-surface-1);
  box-shadow: 0 0 0 3px var(--color-brand-soft), var(--shadow-sm);
}

.send-btn {
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: linear-gradient(145deg, #a17cff, var(--color-brand));
  color: #fff;
  box-shadow: 0 8px 22px rgba(94, 58, 183, 0.22);
  transition: transform var(--duration-fast) var(--ease-out), border-color var(--duration-fast) ease, box-shadow var(--duration-fast) ease, filter var(--duration-fast) ease;
}

.send-btn:hover,
.send-btn:focus-visible {
  border-color: rgba(103, 232, 249, 0.62);
  background: linear-gradient(145deg, #aa87ff, #8c63f4);
  color: #fff;
  filter: brightness(1.04);
  box-shadow: 0 10px 26px rgba(94, 58, 183, 0.25), 0 0 17px rgba(79, 217, 238, 0.07);
  transform: translateY(-1px);
}

.send-btn:active {
  background: linear-gradient(145deg, #9a76f1, #8259e9);
  color: #fff;
  transform: scale(0.96);
}

.settings-menu,
.model-menu {
  border-color: var(--color-border-strong);
  background: color-mix(in srgb, var(--color-surface-1) 96%, transparent);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(18px);
}

/* Docs */
.docs-page.active {
  background: transparent;
}

.docs-nav {
  border-color: var(--color-border);
  background: color-mix(in srgb, var(--color-surface-1) 88%, transparent);
}

.docs-nav a.active,
.docs-nav a:hover {
  background: var(--color-brand-soft);
  color: var(--color-text);
}

.docs-content {
  width: 100%;
  min-width: 0;
  max-width: 900px;
}

.docs-content pre,
.integration-content,
.integration-card,
.chat-main {
  min-width: 0;
}

.docs-content pre,
.integration-card pre {
  max-width: 100%;
  overflow-x: auto;
}

.docs-content h1 {
  max-width: 780px;
  font-size: clamp(44px, 5vw, 66px);
  font-weight: 660;
  letter-spacing: -0.058em;
}

.docs-content section {
  scroll-margin-top: calc(var(--topbar-h) + 26px);
  padding-block: 44px;
  border-top: 1px solid var(--color-border);
}

.docs-callout {
  border-color: rgba(177, 151, 252, 0.2);
  background: linear-gradient(145deg, var(--color-brand-soft), rgba(255, 255, 255, 0.012));
}

pre,
.docs-content pre {
  border-color: rgba(177, 151, 252, 0.12);
  border-radius: var(--radius-lg);
  background: var(--color-code);
  color: #dce3ef;
}

/* Dialogs, messages and loading states. */
.modal {
  z-index: var(--z-modal);
}

.modal-backdrop {
  background: rgba(2, 4, 8, 0.68);
  backdrop-filter: blur(7px);
  animation: backdrop-in var(--duration-base) ease both;
}

.modal-card {
  border-radius: var(--radius-xl);
  animation: premium-modal-in var(--duration-base) var(--ease-out) both;
}

.toast {
  z-index: var(--z-toast);
  border-color: var(--color-border-strong);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-surface-1) 96%, transparent);
  color: var(--color-text);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(16px);
}

.skeleton {
  background: linear-gradient(90deg, var(--surface-muted), var(--surface-hover), var(--surface-muted));
  background-size: 220% 100%;
}

/* Motion */
.shell-leaving .topbar,
.shell-leaving #main-content,
.shell-leaving .account-banner,
.shell-leaving .public-footer {
  opacity: 0;
  filter: blur(4px);
  pointer-events: none;
  transition:
    opacity 120ms ease,
    filter 120ms ease;
}

.shell-entering .topbar,
.shell-entering #main-content,
.shell-entering .account-banner,
.shell-entering .public-footer {
  animation: shell-surface-in 240ms var(--ease-out) both;
}

.page.active {
  animation: premium-page-in var(--duration-base) var(--ease-out) both;
}

body.motion-ready [data-reveal].reveal-pending {
  opacity: 0;
  filter: blur(7px);
  transform: translateY(14px);
}

body.motion-ready [data-reveal] {
  transition:
    opacity var(--duration-reveal) var(--ease-out),
    filter var(--duration-reveal) var(--ease-out),
    transform var(--duration-reveal) var(--ease-out);
  transition-delay: calc(var(--reveal-delay, 0) * 70ms);
}

body.motion-ready [data-reveal].reveal-visible {
  opacity: 1;
  filter: blur(0);
  transform: none;
}

@keyframes premium-page-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes shell-surface-in {
  from {
    opacity: 0;
    filter: blur(4px);
  }
  to {
    opacity: 1;
    filter: blur(0);
  }
}

@keyframes premium-modal-in {
  from { opacity: 0; transform: translateY(8px) scale(0.985); }
  to { opacity: 1; transform: none; }
}

@keyframes backdrop-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes signal-travel {
  from { left: 0; opacity: 0; }
  12%, 82% { opacity: 0.9; }
  to { left: calc(100% - 5px); opacity: 0; }
}

/* Light theme is tuned separately rather than inverted. */
:root[data-theme="light"] .topbar,
:root[data-theme="light"] .chat-topbar {
  background: rgba(248, 251, 255, 0.84);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.78);
}

:root[data-theme="light"] .feature-card,
:root[data-theme="light"] .flow-node,
:root[data-theme="light"] .quickstart-steps,
:root[data-theme="light"] .assurance-card,
:root[data-theme="light"] .capability-card,
:root[data-theme="light"] .integration-card,
:root[data-theme="light"] .status-overview,
:root[data-theme="light"] .status-components article,
:root[data-theme="light"] .product-note,
:root[data-theme="light"] .marketing-cta {
  background-color: rgba(255, 255, 255, 0.64);
  box-shadow: var(--shadow-xs);
}

:root[data-theme="light"] .hero-visual::before {
  background: radial-gradient(circle, rgba(115, 84, 213, 0.1), rgba(8, 127, 153, 0.025) 42%, transparent 68%);
}

:root[data-theme="light"] .hero-signal {
  background: rgba(255, 255, 255, 0.92);
}

:root[data-theme="light"] .hero-card,
:root[data-theme="light"] .code-panel {
  border-color: rgba(57, 70, 96, 0.14);
  background: rgba(247, 249, 253, 0.94);
  box-shadow: 0 28px 80px rgba(55, 67, 93, 0.14), 0 0 0 1px rgba(255, 255, 255, 0.72);
}

:root[data-theme="light"] .hero-card:hover {
  border-color: rgba(8, 127, 153, 0.28);
  box-shadow: 0 30px 84px rgba(55, 67, 93, 0.16), 0 0 24px rgba(115, 84, 213, 0.06);
}

:root[data-theme="light"] .hero-card::after {
  background: linear-gradient(110deg, transparent 0 44%, rgba(255, 255, 255, 0.36) 50%, transparent 56%);
}

:root[data-theme="light"] .hero-card .terminal-head,
:root[data-theme="light"] .terminal-result,
:root[data-theme="light"] .code-panel-head,
:root[data-theme="light"] .code-head {
  border-color: rgba(57, 70, 96, 0.1);
  background: rgba(226, 232, 242, 0.62);
  color: #667186;
}

:root[data-theme="light"] .hero-card pre,
:root[data-theme="light"] .code-panel pre,
:root[data-theme="light"] .docs-content pre,
:root[data-theme="light"] .integration-card pre,
:root[data-theme="light"] .bubble pre {
  border-color: rgba(57, 70, 96, 0.12);
  background: #f4f7fb;
  color: #273246;
}

:root[data-theme="light"] .code-muted {
  color: #6748c2;
}

:root[data-theme="light"] .code-string,
:root[data-theme="light"] .terminal-prompt,
:root[data-theme="light"] .terminal-latency {
  color: #087f99;
}

:root[data-theme="light"] .trust-strip {
  background: rgba(255, 255, 255, 0.28);
}

:root[data-theme="light"] .button.ghost {
  background: rgba(255, 255, 255, 0.5);
}

:root[data-theme="light"] .public-footer {
  background: rgba(255, 255, 255, 0.22);
}

/* Responsive */
@media (max-width: 1180px) {
  .topbar {
    padding-inline: 24px;
  }

  #public-nav {
    gap: 1px;
  }

  .topbar nav a:not(.button) {
    padding-inline: 8px;
  }

  .landing-hero {
    grid-template-columns: minmax(0, 0.86fr) minmax(430px, 1.14fr);
    gap: 42px;
  }
}

@media (max-width: 1100px) {
  #public-nav,
  #private-nav {
    display: none !important;
  }

  .topbar-actions {
    margin-left: auto;
  }

  .mobile-menu.icon-btn {
    display: grid;
  }

  .mobile-backdrop:not(.hidden) {
    display: block;
  }

  .mobile-panel:not(.hidden) {
    width: min(380px, calc(100% - 24px));
    max-height: calc(100dvh - 24px);
    display: grid !important;
    align-content: start;
    gap: 4px;
    position: fixed;
    z-index: var(--z-drawer);
    top: 12px;
    right: 12px;
    left: auto;
    overflow-y: auto;
    padding: 64px 12px 12px;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-xl);
    background: color-mix(in srgb, var(--color-surface-1) 96%, transparent);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(22px);
    animation: drawer-in var(--duration-base) var(--ease-out) both;
  }

  .mobile-panel::before {
    content: "Навигация";
    position: absolute;
    top: 25px;
    left: 24px;
    color: var(--color-text-faint);
    font-size: 9px;
    font-weight: 740;
    letter-spacing: 0.14em;
    text-transform: uppercase;
  }

  .mobile-menu[aria-expanded="true"] {
    position: fixed;
    z-index: calc(var(--z-drawer) + 1);
    top: 24px;
    right: 24px;
    background: var(--color-surface-2);
    color: var(--color-text);
    box-shadow: var(--shadow-sm);
  }

  .mobile-menu[aria-expanded="true"] .menu-open-icon {
    display: none;
  }

  .mobile-menu[aria-expanded="true"] .menu-close-icon {
    display: inline;
  }

  .mobile-panel a {
    min-height: 48px;
    display: flex;
    align-items: center;
    padding: 0 14px;
    border-radius: var(--radius-md);
    color: var(--color-text-soft);
    font-size: 14px;
  }

  .mobile-panel a:hover,
  .mobile-panel a:focus-visible {
    background: var(--color-brand-soft);
    color: var(--color-text);
  }

  .mobile-panel .button {
    margin-top: 8px;
  }

  .landing-hero {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-block: 76px;
  }

  .landing-hero .hero-copy {
    max-width: 780px;
    text-align: center;
    justify-self: center;
  }

  .landing-hero .hero-copy .eyebrow,
  .landing-hero .actions,
  .landing-hero .hero-proof {
    justify-content: center;
  }

  .hero-visual {
    width: min(720px, 100%);
    justify-self: center;
  }

  .feature-bento {
    grid-template-columns: 1fr 1fr;
  }

  .agent-diagram {
    grid-template-columns: 1fr 54px 1fr 54px 1fr;
  }

  .marketing-cta {
    grid-template-columns: 70px 1fr;
  }

  .marketing-cta .actions {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }
}

@keyframes drawer-in {
  from { opacity: 0; transform: translateX(12px) scale(0.985); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 900px) {
  .pricing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .admin-billing-top,
  .pricing-disclosure {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .billing-identity-fields,
  .billing-advanced-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .billing-admin-review {
    align-items: flex-start;
    flex-direction: column;
  }

  .review-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .trust-grid {
    min-height: 94px;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    padding-block: 16px;
  }

  .trust-grid span {
    padding-inline: 8px;
    border: 0;
    text-align: center !important;
  }

  .trust-grid span:nth-child(n + 4) {
    grid-column: span 1;
  }

  .feature-bento,
  .capability-grid {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .feature-card-wide {
    min-height: 330px;
  }

  .agent-diagram {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .flow-link {
    width: 1px;
    height: 44px;
    justify-self: center;
    background: linear-gradient(180deg, rgba(140, 99, 244, 0.28), rgba(79, 217, 238, 0.35));
  }

  .flow-link::after {
    top: auto;
    right: -3px;
    bottom: 0;
    transform: rotate(135deg);
  }

  .flow-link span {
    display: none;
  }

  .quickstart-grid,
  .assurance-section,
  .faq-section {
    grid-template-columns: 1fr;
  }

  .faq-section .section-heading {
    margin-bottom: 16px;
  }

  .capability-card {
    min-height: 330px;
  }

  .capability-card h2 {
    margin-top: 52px;
  }

  .capability-card p {
    min-height: 0;
  }

  .product-note {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .product-note .button {
    justify-self: start;
  }

  .integration-layout {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .integration-index {
    position: static;
    display: flex;
    overflow-x: auto;
  }

  .integration-index a {
    flex: 0 0 auto;
  }

  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 700px) {
  .topbar {
    padding-inline: 14px;
  }

  .brand span:last-child {
    display: inline;
  }

  .marketing-container {
    width: min(var(--marketing-content), calc(100% - 32px));
  }

  .landing-hero {
    min-height: auto;
    padding-block: 58px 66px;
  }

  .landing-hero h1 {
    margin-block: 20px;
    font-size: clamp(44px, 13vw, 62px);
    line-height: 1.01;
  }

  .hero-lead {
    font-size: 16px;
  }

  .landing-hero .actions {
    width: 100%;
    flex-direction: column;
  }

  .landing-hero .actions .button {
    width: 100%;
  }

  .landing-hero .hero-proof {
    gap: 6px;
  }

  .landing-hero .hero-proof span {
    font-size: 9px;
  }

  .hero-visual {
    padding-block: 28px 24px;
  }

  .hero-card {
    border-radius: var(--radius-lg);
  }

  .hero-card pre {
    min-height: 300px;
    padding: 22px 18px;
    font-size: 11px;
    line-height: 1.72;
  }

  .hero-signal,
  .orbit {
    display: none;
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-grid span:last-child {
    grid-column: 1 / -1;
  }

  .marketing-section {
    padding-block: 86px;
  }

  .section-heading {
    margin-bottom: 36px;
  }

  .section-heading h2,
  .assurance-copy h2 {
    font-size: clamp(34px, 10vw, 46px);
  }

  .section-heading p,
  .assurance-copy p {
    font-size: 15px;
  }

  .feature-card {
    min-height: 310px;
    padding: 25px;
  }

  .feature-icon {
    margin-bottom: 42px;
  }

  .local-flow {
    grid-template-columns: 1fr;
  }

  .local-flow i {
    width: 1px;
    height: 16px;
    justify-self: center;
  }

  .local-flow i::after {
    display: none;
  }

  .quickstep {
    padding: 15px;
  }

  .code-panel pre {
    min-height: 180px;
    padding: 20px;
    font-size: 11px;
  }

  .flow-node {
    min-height: 154px;
  }

  .faq-list summary {
    min-height: 72px;
    font-size: 14px;
  }

  .marketing-cta {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 84px;
    padding: 28px;
  }

  .marketing-cta .actions {
    grid-column: auto;
    justify-content: stretch;
  }

  .marketing-cta .button {
    width: 100%;
  }

  .cta-star {
    width: 56px;
    height: 56px;
    border-radius: 16px;
  }

  .cta-star img {
    width: 34px;
    height: 34px;
  }

  .product-page {
    padding-bottom: 84px;
  }

  .product-hero {
    padding-block: 72px 46px;
  }

  .product-hero h1 {
    font-size: clamp(42px, 12vw, 58px);
  }

  .product-hero p {
    font-size: 15px;
  }

  .pricing-hero {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 26px;
    text-align: left;
  }

  .pricing-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .pricing-grid,
  .billing-limit-form,
  .billing-identity-fields,
  .billing-price-grid,
  .billing-advanced-fields {
    grid-template-columns: 1fr;
  }

  .upstream-picker-toolbar {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .upstream-catalog-status {
    justify-self: start;
    padding-bottom: 0;
  }

  .upstream-model-list {
    grid-template-columns: 1fr;
  }

  .billing-form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .billing-form-actions .button {
    width: 100%;
    min-width: 0;
  }

  .price-card,
  .skeleton-card {
    min-height: 350px;
  }

  .pricing-disclosure {
    margin-top: 42px;
  }

  .review-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .capability-card,
  .integration-card {
    padding: 23px;
  }

  .integration-head {
    align-items: flex-start;
  }

  .recommended {
    display: none;
  }

  .integration-card pre {
    margin-inline: -8px;
    font-size: 10.5px;
  }

  .status-overview {
    align-items: flex-start;
    flex-direction: column;
  }

  .status-components article {
    align-items: flex-start;
    flex-direction: column;
  }

  .status-components article > div {
    align-items: flex-start;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 34px 24px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding-block: 18px;
  }

  .auth-shell {
    display: block;
  }

  .auth-card {
    padding: 28px 22px;
  }

  .app-page {
    padding-inline: 16px;
  }

  .page-head {
    margin-bottom: 24px;
  }

  .page-head :is(h1, h2) {
    font-size: 34px;
  }

  .card,
  .metric,
  .key-card {
    border-radius: var(--radius-lg);
  }

  .modal-card {
    border-radius: var(--radius-lg);
  }
}

@media (max-width: 430px) {
  .brand span:last-child {
    display: inline;
  }

  .landing-hero .eyebrow {
    font-size: 8.5px;
  }

  .hero-card .terminal-head {
    display: flex;
  }

  .terminal-state {
    display: none;
  }

  .hero-card pre {
    overflow-x: auto;
    font-size: 10px;
  }

  .feature-card h3 {
    font-size: 22px;
  }

  .mini-metrics {
    grid-template-columns: 1fr;
  }

  .mini-metrics span {
    min-height: 50px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: auto;
  }
}

@media (hover: none), (pointer: coarse) {
  .feature-card:hover,
  .card:hover,
  .metric:hover,
  .key-card:hover,
  .button:hover {
    transform: none;
  }

  .button.small,
  .copy-control,
  .password-toggle,
  .msg-action,
  .notification-nav,
  .notification-dismiss,
  .prefix-copy {
    min-height: 44px;
  }

  .copy-control,
  .msg-action,
  .notification-nav,
  .notification-dismiss {
    min-width: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  body.motion-ready [data-reveal],
  body.motion-ready [data-reveal].reveal-pending {
    opacity: 1;
    filter: none;
    transform: none;
  }
}