/* IntuSketch — Modern Landing Page Design System */

/* ═══════════════════════════════════════════════════════════════════════════
   DESIGN TOKENS
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
  /* Colors — aligned with ISKColors */
  --background: #0f0f13;
  --surface: #18181d;
  --surface-elevated: #1f1f26;
  --surface-3: #27272f;

  --text-primary: #f5f1ea;
  --text-secondary: rgba(245, 241, 234, 0.7);
  --text-muted: rgba(245, 241, 234, 0.45);

  --border: rgba(245, 241, 234, 0.08);
  --border-subtle: rgba(245, 241, 234, 0.05);
  --border-strong: rgba(245, 241, 234, 0.15);

  --accent: #f5a623;
  --accent-soft: rgba(245, 166, 35, 0.15);
  --accent-glow: rgba(245, 166, 35, 0.25);

  /* Typography */
  --font-sans: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Syne", var(--font-sans);

  /* Spacing scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Layout */
  --content-width: 1200px;
  --content-narrow: 720px;
  --gutter: clamp(1.25rem, 5vw, 3rem);

  /* Radii */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 24px 80px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 60px var(--accent-glow);

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;

  /* Header */
  --header-height: 4rem;
}

/* CJK Typography */
html[lang="zh-Hans"] {
  --font-sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-display: "Noto Serif SC", "Songti SC", serif;
}

html[lang="ko"] {
  --font-sans: "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --font-display: "Noto Serif KR", "Apple SD Gothic Neo", serif;
}

/* ═══════════════════════════════════════════════════════════════════════════
   RESET & BASE
   ═══════════════════════════════════════════════════════════════════════════ */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + env(safe-area-inset-top, 0px) + var(--space-xl));
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--background);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ═══════════════════════════════════════════════════════════════════════════
   LANDING PAGE BACKGROUND
   ═══════════════════════════════════════════════════════════════════════════ */

body.is-landing {
  overflow-x: hidden;
  overflow-x: clip;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, var(--accent-soft), transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 20%, rgba(245, 166, 35, 0.08), transparent 45%),
    linear-gradient(180deg, var(--background) 0%, #0a0a0d 100%);
}

body.is-landing::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.3;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 100% 80% at 50% 0%, black 20%, transparent 70%);
}

/* ═══════════════════════════════════════════════════════════════════════════
   SKIP LINK
   ═══════════════════════════════════════════════════════════════════════════ */

.skip-link {
  position: absolute;
  left: -9999px;
  top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--accent);
  color: var(--background);
  font-weight: 600;
  border-radius: var(--radius-sm);
  z-index: 100;
}

.skip-link:focus {
  left: var(--space-md);
}

/* ═══════════════════════════════════════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════════════════════════════════════ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding-top: env(safe-area-inset-top, 0px);
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
  box-sizing: border-box;
  min-height: calc(var(--header-height) + env(safe-area-inset-top, 0px));
  display: flex;
  align-items: center;
  transition:
    background var(--duration-normal) var(--ease-out),
    border-color var(--duration-normal) var(--ease-out),
    backdrop-filter var(--duration-normal) var(--ease-out);
}

.site-header.is-scrolled {
  background: rgba(15, 15, 19, 0.85);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px) saturate(180%);
}

.site-header__inner {
  width: 100%;
  max-width: calc(var(--content-width) + var(--gutter) * 2);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.site-header__cluster {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

/* Brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6875rem;
  text-decoration: none;
  color: var(--text-primary);
}

.brand__icon {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 22%;
  flex-shrink: 0;
  object-fit: cover;
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.4);
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.6875rem;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

/* Language Select */
.lang-select {
  appearance: none;
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  background-color: transparent;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--text-muted) 50%),
    linear-gradient(135deg, var(--text-muted) 50%, transparent 50%);
  background-position: calc(100% - 12px) center, calc(100% - 7px) center;
  background-size: 5px 5px;
  background-repeat: no-repeat;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 0.375rem 2rem 0.375rem 0.875rem;
  cursor: pointer;
  transition:
    border-color var(--duration-fast),
    color var(--duration-fast);
}

.lang-select:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.lang-select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--duration-fast);
}

.nav a:hover {
  color: var(--text-primary);
}

/* ═══════════════════════════════════════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════════════════════════════════════ */

.hero--ignite {
  position: relative;
  min-height: calc(100svh - var(--header-height) - env(safe-area-inset-top, 0px));
  max-height: 100svh;
  padding-top: calc(var(--header-height) + env(safe-area-inset-top, 0px));
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 50% 40% at 50% 30%, var(--accent-soft), transparent 60%),
    radial-gradient(ellipse 30% 30% at 75% 50%, rgba(245, 166, 35, 0.06), transparent 50%);
}

.hero__grid {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: calc(var(--content-width) + var(--gutter) * 2);
  margin: 0 auto;
  padding: var(--space-xl) var(--gutter) var(--space-2xl);
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(var(--space-lg), 3vw, var(--space-2xl));
  align-items: center;
}

html[lang="ru"] .hero__lede {
  line-height: 1.58;
  font-size: clamp(0.95rem, 1.35vw, 1.08rem);
}

@media (min-width: 1025px) {
  html[lang="ru"] .hero__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }
}

.hero__copy {
  min-width: 0;
}

/* Eyebrow */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  margin: 0 0 var(--space-md);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.eyebrow__dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}

.eyebrow--pulse .eyebrow__dot {
  animation: dotPulse 2.5s ease-in-out infinite;
}

/* Hero Title */
.hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: -0.025em;
}

.hero__title-line {
  display: block;
  opacity: 0;
  transform: translateY(0.4rem);
  animation: lineUp 0.7s var(--ease-out) forwards;
}

.hero__title-line:nth-child(1) { animation-delay: 0.05s; }
.hero__title-line:nth-child(2) { animation-delay: 0.12s; }
.hero__title-line:nth-child(3) { animation-delay: 0.19s; }

.hero__title-line--accent {
  color: var(--accent);
}

/* Hero Lede */
.hero__lede {
  margin: var(--space-lg) 0 0;
  font-size: clamp(0.9375rem, 1.25vw, 1.0625rem);
  line-height: 1.65;
  color: var(--text-secondary);
}

.hero__lede strong {
  color: var(--text-primary);
  font-weight: 600;
}

.hero__lede em {
  font-style: italic;
  color: var(--accent);
}

/* Hero Actions */
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  opacity: 0;
  animation: fadeLift 0.7s var(--ease-out) 0.3s forwards;
}

.hero__meta {
  margin: var(--space-md) 0 0;
  font-size: 0.75rem;
  color: var(--text-muted);
  opacity: 0;
  animation: fadeLift 0.7s var(--ease-out) 0.4s forwards;
}

/* ═══════════════════════════════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════════════════════════════ */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0 1.25rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition:
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out),
    background var(--duration-fast);
}

.button:active {
  transform: scale(0.98);
}

.button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.button--primary {
  color: var(--background);
  background: var(--accent);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.2) inset,
    0 8px 24px rgba(245, 166, 35, 0.3);
}

.button--primary:hover {
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.25) inset,
    0 12px 32px rgba(245, 166, 35, 0.4);
  transform: translateY(-1px);
}

.button--ghost {
  color: var(--text-primary);
  background: var(--surface-elevated);
  border: 1px solid var(--border-strong);
}

.button--ghost:hover {
  background: var(--surface-3);
  border-color: rgba(245, 241, 234, 0.2);
}

.button--on-dark {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
}

.button--on-dark:hover {
  background: rgba(255, 255, 255, 0.1);
}

.button--lg {
  min-height: 2.75rem;
  padding: 0 1.5rem;
  font-size: 0.9375rem;
}

/* ═══════════════════════════════════════════════════════════════════════════
   DUAL CANVAS VISUAL
   ═══════════════════════════════════════════════════════════════════════════ */

.hero__visual {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.dual-caption {
  margin: 0;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  letter-spacing: 0.02em;
}

.dual-canvas {
  position: relative;
  min-height: clamp(300px, 52vw, 520px);
  padding: var(--space-lg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background:
    linear-gradient(165deg, rgba(255, 252, 248, 0.07), transparent 45%),
    var(--surface);
  box-shadow: var(--shadow-lg);
}

.dual-canvas__film {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0.4;
  background: repeating-linear-gradient(
    -5deg,
    transparent,
    transparent 2px,
    rgba(255, 255, 255, 0.015) 2px,
    rgba(255, 255, 255, 0.015) 3px
  );
}

.dual-canvas__panel {
  position: absolute;
  width: 46%;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.dual-canvas__panel--self {
  left: 4.5%;
}

.dual-canvas__panel--other {
  right: 4.5%;
}

.dual-canvas__label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.dual-canvas__split {
  position: absolute;
  left: 50%;
  top: var(--space-md);
  bottom: var(--space-md);
  transform: translateX(-50%);
  width: 1px;
  background: linear-gradient(transparent, var(--accent-soft), transparent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.dual-canvas__split span {
  padding: 0.3rem 0.5rem;
  border-radius: var(--radius-full);
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--background);
  background: var(--accent);
  box-shadow: var(--shadow-sm);
}

.sketch-frame {
  position: relative;
  border-radius: var(--radius-md);
  border: 1px solid rgba(245, 241, 234, 0.14);
  padding: 0;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: #ede8e0;
}

.sketch-frame--warm::after,
.sketch-frame--cool::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  border-radius: inherit;
}

.sketch-frame--warm::after {
  background: radial-gradient(circle at 28% 20%, rgba(245, 166, 35, 0.07), transparent 62%);
}

.sketch-frame--cool::after {
  background: radial-gradient(circle at 72% 26%, rgba(120, 150, 140, 0.06), transparent 58%);
}

.sketch-photo {
  position: absolute;
  top: 0;
  height: 100%;
  width: 200%;
  max-width: none;
  object-fit: cover;
  z-index: 0;
}

.sketch-photo--self {
  left: 0;
  object-position: left center;
}

.sketch-photo--other {
  right: 0;
  left: auto;
  object-position: right center;
}

/* ═══════════════════════════════════════════════════════════════════════════
   STRIP SECTION
   ═══════════════════════════════════════════════════════════════════════════ */

.strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(90deg, var(--accent-soft), transparent 40%, transparent 60%, rgba(180, 200, 190, 0.05));
}

.strip__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--space-4xl) var(--gutter);
  text-align: center;
}

.strip__headline {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.4;
  max-width: 720px;
  margin-inline: auto;
}

.strip__support {
  margin: var(--space-lg) auto 0;
  max-width: 560px;
  color: var(--text-secondary);
  font-size: 1rem;
}

/* ═══════════════════════════════════════════════════════════════════════════
   SECTIONS
   ═══════════════════════════════════════════════════════════════════════════ */

.section {
  max-width: calc(var(--content-width) + var(--gutter) * 2);
  margin: 0 auto;
  padding: var(--space-5xl) var(--gutter);
}

.section__header {
  max-width: 600px;
  margin-bottom: var(--space-3xl);
}

.section__kicker {
  margin: 0 0 var(--space-sm);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}

.section__kicker--on-dark {
  color: var(--accent);
}

.section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.section__title--on-dark {
  color: var(--text-primary);
}

.section__lede {
  margin: var(--space-md) 0 0;
  color: var(--text-secondary);
  font-size: 1.0625rem;
  max-width: 520px;
  line-height: 1.65;
}

.section__lede--on-dark {
  color: var(--text-secondary);
}

/* ═══════════════════════════════════════════════════════════════════════════
   TIMELINE (Journey)
   ═══════════════════════════════════════════════════════════════════════════ */

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.timeline__item {
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--surface);
  transition:
    border-color var(--duration-normal),
    background var(--duration-normal);
}

.timeline__item:hover {
  border-color: var(--border-strong);
  background: var(--surface-elevated);
}

.timeline__index {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 500;
  color: rgba(245, 166, 35, 0.3);
  line-height: 1;
  margin-bottom: var(--space-md);
}

.timeline__body {
  /* wrapper for title + text */
}

.timeline__title {
  margin: 0 0 var(--space-sm);
  font-size: 1.125rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.timeline__text {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════════════════════
   MOMENT SECTION
   ═══════════════════════════════════════════════════════════════════════════ */

.section--moment {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
}

.moment-board {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid var(--border);
  background: linear-gradient(145deg, var(--surface), var(--background));
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  box-shadow: var(--shadow-xl);
}

.moment-board__copy {
  padding: var(--space-3xl);
}

.checklist {
  margin: var(--space-xl) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-md);
}

.checklist li {
  position: relative;
  padding-left: var(--space-lg);
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.moment-board__visual {
  position: relative;
  min-height: 280px;
  padding: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

.moment-orb {
  position: absolute;
  inset: 15% 15% 25% 25%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 30%, var(--accent-soft), transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(180, 200, 190, 0.12), transparent 50%);
  animation: orbShift 12s ease-in-out infinite alternate;
}

/* ═══════════════════════════════════════════════════════════════════════════
   TRUST SECTION
   ═══════════════════════════════════════════════════════════════════════════ */

.trust-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: start;
}

.trust-panels {
  display: grid;
  gap: var(--space-md);
}

.trust-panel {
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--surface);
  transition:
    border-color var(--duration-normal),
    background var(--duration-normal);
}

.trust-panel:hover {
  border-color: var(--border-strong);
  background: var(--surface-elevated);
}

.trust-panel__title {
  margin: 0 0 var(--space-sm);
  font-size: 1rem;
  font-weight: 650;
}

.trust-panel__text {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md) var(--space-lg);
  margin-top: var(--space-xl);
}

.text-link {
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  color: var(--text-primary);
  border-bottom: 1px solid var(--accent-soft);
  padding-bottom: 2px;
  transition: border-color var(--duration-fast);
}

.text-link:hover {
  border-color: var(--accent);
}

/* ═══════════════════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════════════════ */

.site-footer {
  max-width: calc(var(--content-width) + var(--gutter) * 2);
  margin: 0 auto;
  padding: var(--space-2xl) var(--gutter) var(--space-3xl);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.875rem;
}

.site-footer__brand {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.site-footer__copy {
  flex: 1;
  min-width: 200px;
}

.footer-links {
  display: flex;
  gap: var(--space-lg);
}

.footer-links a {
  text-decoration: none;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color var(--duration-fast);
}

.footer-links a:hover {
  color: var(--text-primary);
}

/* ═══════════════════════════════════════════════════════════════════════════
   REVEAL ANIMATIONS
   ═══════════════════════════════════════════════════════════════════════════ */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.8s var(--ease-out),
    transform 0.8s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.5s var(--ease-out),
    transform 0.5s var(--ease-out);
}

.reveal-stagger.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════════════════════════════════════
   LEGAL PAGES
   ═══════════════════════════════════════════════════════════════════════════ */

.legal-page {
  width: min(100%, var(--content-narrow));
  margin: 0 auto;
  padding: calc(var(--header-height) + env(safe-area-inset-top, 0px) + var(--space-3xl)) var(--gutter)
    var(--space-4xl);
  padding-left: max(var(--gutter), env(safe-area-inset-left, 0px));
  padding-right: max(var(--gutter), env(safe-area-inset-right, 0px));
}

.legal-page h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-sm);
}

.legal-page .updated {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9375rem;
  margin: 0 0 var(--space-xl);
}

.legal-page > h2 {
  margin-top: var(--space-2xl);
  font-size: 1.125rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.legal-page .support-item h2 {
  margin-top: 0;
  font-size: 1rem;
  font-weight: 650;
}

.legal-page p,
.legal-page li {
  color: var(--text-secondary);
}

.legal-page ul {
  padding-left: 1.25rem;
}

.support-list {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.support-item {
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
}

.support-item h2 {
  margin: 0 0 var(--space-sm);
}

.support-item p {
  margin: 0;
}

/* Legal header */
body:not(.is-landing) .site-header {
  background: rgba(15, 15, 19, 0.9);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px) saturate(160%);
}

/* ═══════════════════════════════════════════════════════════════════════════
   KEYFRAMES
   ═══════════════════════════════════════════════════════════════════════════ */

@keyframes lineUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeLift {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.3);
    opacity: 0.7;
  }
}

@keyframes orbShift {
  from {
    transform: translate(0, 0) scale(1);
  }
  to {
    transform: translate(-5%, 4%) scale(1.06);
  }
}

/* ═══════════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════════════ */

@media (max-width: 1024px) {
  .hero--ignite {
    min-height: auto;
    max-height: none;
    padding-bottom: var(--space-2xl);
  }

  .hero__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    padding-top: var(--space-lg);
  }

  .hero__visual {
    order: -1;
    max-width: min(100%, 560px);
    margin: 0 auto;
    width: 100%;
  }

  .dual-canvas {
    min-height: clamp(280px, 55vw, 400px);
  }

  .hero__copy {
    max-width: 100%;
    text-align: center;
  }

  .hero__lede {
    margin-inline: auto;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__meta {
    margin-inline: auto;
    text-align: center;
  }

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

  .moment-board {
    grid-template-columns: 1fr;
  }

  .moment-board__visual {
    min-height: 200px;
  }

  .trust-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

@media (max-width: 640px) {
  :root {
    /* Two-row header: brand row + nav row; keep in sync with .site-header__inner */
    --header-height: 7.25rem;
  }

  .brand__icon {
    width: 2.875rem;
    height: 2.875rem;
  }

  .brand-name {
    font-size: 1.4375rem;
  }

  .site-header {
    align-items: stretch;
  }

  .site-header__inner {
    flex-wrap: wrap;
    align-items: center;
    align-content: flex-start;
    align-self: stretch;
    row-gap: 0.5rem;
    column-gap: var(--space-sm);
    padding-top: 0.25rem;
    padding-bottom: 0.35rem;
    padding-left: max(var(--gutter), env(safe-area-inset-left, 0px));
    padding-right: max(var(--gutter), env(safe-area-inset-right, 0px));
  }

  /* Full-width brand row so nav is never drawn under the logo */
  .brand {
    flex: 1 1 100%;
    width: 100%;
    min-width: 0;
    flex-shrink: 0;
  }

  .site-header__cluster {
    flex: 1 1 100%;
    width: 100%;
    min-width: 0;
    flex-wrap: nowrap;
    justify-content: flex-start;
    align-items: center;
    gap: var(--space-sm);
  }

  .nav {
    flex: 1 1 auto;
    min-width: 0;
    flex-shrink: 1;
    flex-wrap: nowrap;
    gap: var(--space-sm);
    max-width: none;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    overscroll-behavior-x: contain;
    mask-image: linear-gradient(to right, transparent, black 6px, black calc(100% - 6px), transparent);
    padding-block: 2px;
  }

  .nav::-webkit-scrollbar {
    display: none;
  }

  .nav a {
    font-size: 0.75rem;
    flex-shrink: 0;
    white-space: nowrap;
  }

  .lang-select {
    flex-shrink: 0;
    font-size: 0.75rem;
    padding: 0.35rem 1.65rem 0.35rem 0.65rem;
    margin-left: auto;
  }

  /* Readable logo + nav over bright hero (safe-area padding on .site-header) */
  body.is-landing .site-header {
    background: rgba(15, 15, 19, 0.82);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(14px) saturate(160%);
    -webkit-backdrop-filter: blur(14px) saturate(160%);
  }

  .hero__grid {
    padding-left: max(var(--gutter), env(safe-area-inset-left, 0px));
    padding-right: max(var(--gutter), env(safe-area-inset-right, 0px));
  }

  .hero__title {
    font-size: clamp(1.65rem, 8.2vw, 2.2rem);
  }

  .hero__visual {
    max-width: 100%;
  }

  .dual-canvas {
    min-height: clamp(220px, 62vw, 360px);
    padding: var(--space-md);
  }

  .dual-canvas__label {
    font-size: 0.6rem;
    letter-spacing: 0.08em;
    line-height: 1.3;
    white-space: normal;
    max-width: 100%;
  }

  .dual-canvas__split span {
    font-size: 0.5rem;
    padding: 0.22rem 0.4rem;
  }

  .section {
    padding: var(--space-3xl) var(--gutter);
  }

  .strip__inner {
    padding: var(--space-2xl) var(--gutter);
  }

  .moment-board__copy {
    padding: var(--space-xl);
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }

  .site-footer__copy {
    order: 1;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════
   REDUCED MOTION
   ═══════════════════════════════════════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal,
  .reveal-stagger,
  .hero__title-line,
  .hero__actions,
  .hero__meta {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }
}