/* ============ DESIGN TOKENS ============ */
:root {
  /* Fluid type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.25rem);
  --text-3xl: clamp(2.25rem, 1rem + 3.5vw, 4.25rem);

  /* 4px spacing system */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 640px;
  --content-default: 1000px;
  --content-wide: 1240px;
  --content-full: 100%;

  --font-display: 'Satoshi', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Satoshi', 'Segoe UI', system-ui, sans-serif;
}

/* ============ COLOR - GridOps operational palette ============
   Deep navy control-room neutrals + one indigo/violet accent
   with a pink/magenta secondary used sparingly for gradients
   and highlight moments. */
:root,
[data-theme='light'] {
  --color-bg: #f5f4fb;
  --color-surface: #ffffff;
  --color-surface-2: #fbfaff;
  --color-surface-offset: #ece9f8;
  --color-surface-offset-2: #e1ddf3;
  --color-surface-dynamic: #d6cfec;
  --color-divider: #e6e2f6;
  --color-border: #d8d2ee;

  --color-text: #14131f;
  --color-text-muted: #5b5875;
  --color-text-faint: #9793ad;
  --color-text-inverse: #f7f6fc;

  --color-primary: #6c4fe0;
  --color-primary-hover: #5b3fd1;
  --color-primary-active: #4c31bd;
  --color-primary-highlight: #ece7fb;

  --color-secondary: #d6349f;
  --color-secondary-highlight: #fbe3f2;

  --color-success: #2f7a4d;
  --color-success-highlight: #dcefe1;
  --color-error: #ae3a3a;
  --color-error-highlight: #f3dcdc;

  --shadow-sm: 0 1px 2px oklch(0.2 0.02 280 / 0.06);
  --shadow-md: 0 6px 16px oklch(0.2 0.02 280 / 0.09);
  --shadow-lg: 0 20px 48px oklch(0.2 0.02 280 / 0.14);
}

[data-theme='dark'] {
  --color-bg: #0a0b16;
  --color-surface: #12142a;
  --color-surface-2: #151830;
  --color-surface-offset: #171a35;
  --color-surface-offset-2: #1d2140;
  --color-surface-dynamic: #262b4d;
  --color-divider: #1c1f3a;
  --color-border: #2b3055;

  --color-text: #ecebfb;
  --color-text-muted: #a29fc2;
  --color-text-faint: #6b6890;
  --color-text-inverse: #0a0b16;

  --color-primary: #6d5cff;
  --color-primary-hover: #7d6dff;
  --color-primary-active: #8c7eff;
  --color-primary-highlight: #241f52;

  --color-secondary: #ec4fb0;
  --color-secondary-highlight: #3a1a3e;

  --color-success: #64b585;
  --color-success-highlight: #1c2c22;
  --color-error: #dd8080;
  --color-error-highlight: #2e1e1e;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
  --shadow-md: 0 8px 20px oklch(0 0 0 / 0.45);
  --shadow-lg: 0 24px 56px oklch(0 0 0 / 0.55);
}

/* ============ GLOBAL ============ */
html { overflow-x: hidden; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--color-surface-dynamic); border-radius: var(--radius-full); }

/* Scroll progress bar - native scroll-timeline where supported, JS-driven fallback otherwise */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  z-index: 300;
  pointer-events: none;
  will-change: transform;
}
@supports (animation-timeline: scroll(root)) {
  .scroll-progress {
    animation: scroll-progress-fill linear;
    animation-timeline: scroll(root);
  }
}
@keyframes scroll-progress-fill {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

/* Ambient parallax orbs - decorative, non-content depth layers */
.parallax-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  will-change: transform;
}
.parallax-orb--amber { background: radial-gradient(circle, color-mix(in oklab, var(--color-primary) 55%, transparent), transparent 72%); filter: blur(50px); opacity: 0.55; }
.parallax-orb--sage { background: radial-gradient(circle, color-mix(in oklab, var(--color-success) 50%, transparent), transparent 72%); filter: blur(56px); opacity: 0.4; }
@media (prefers-reduced-motion: reduce) {
  .scroll-progress { animation: none !important; transform: scaleX(0) !important; display: none; }
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
}

.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
.container--narrow { max-width: var(--content-narrow); }
.container--default { max-width: var(--content-default); }
.container--prose { max-width: 62ch; }

section { padding-block: clamp(var(--space-16), 9vw, var(--space-24)); }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 650; letter-spacing: -0.01em; }
p { color: var(--color-text-muted); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  flex-shrink: 0;
}

.section-head { max-width: 42rem; margin-bottom: var(--space-12); }
.section-head h2 { font-size: var(--text-xl); color: var(--color-text); margin-block: var(--space-3) var(--space-3); }
.section-head p { font-size: var(--text-base); }

a { color: inherit; text-decoration: none; }

/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-4);
  z-index: 200;
  border-radius: var(--radius-sm);
}
.skip-link:focus { left: var(--space-4); top: var(--space-4); }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  min-height: 44px;
  white-space: nowrap;
}
.btn-primary {
  position: relative;
  overflow: hidden;
  background: var(--color-primary);
  color: #fff9f2;
  box-shadow: var(--shadow-sm);
}
.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -60%;
  width: 40%;
  height: 100%;
  background: linear-gradient(115deg, transparent, color-mix(in oklab, #fff 45%, transparent), transparent);
  transform: skewX(-15deg);
  transition: left 550ms var(--ease-out);
}
.btn-primary:hover::after { left: 130%; }
.btn-primary:hover { background: var(--color-primary-hover); box-shadow: var(--shadow-md); }
.btn-primary:active { background: var(--color-primary-active); }
.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover { background: var(--color-surface-offset); border-color: var(--color-text-faint); }
.btn-ghost { color: var(--color-text); }
.btn-ghost:hover { color: var(--color-primary); }
.btn-block { width: 100%; }
.btn-sm { padding: var(--space-2) var(--space-4); min-height: 36px; font-size: var(--text-xs); border: 1px solid var(--color-border); }
.btn-sm:hover { background: var(--color-surface-offset); }
.btn-sm svg { width: 13px; height: 13px; transition: transform var(--transition-interactive); }
.btn-sm:hover svg { transform: translateX(2px); }

/* ============ HEADER ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklab, var(--color-bg) 82%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-divider);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: var(--space-2); font-family: var(--font-display); font-weight: 650; font-size: var(--text-base); }
.brand svg { color: var(--color-primary); }

.main-nav { display: none; align-items: center; gap: var(--space-8); }
.main-nav a { font-size: var(--text-sm); color: var(--color-text-muted); font-weight: 500; }
.main-nav a:hover { color: var(--color-text); }

.header-actions { display: flex; align-items: center; gap: var(--space-3); }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.theme-toggle:hover { background: var(--color-surface-offset); color: var(--color-text); }

.nav-toggle {
  display: inline-flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text);
}
.nav-toggle:hover { background: var(--color-surface-offset); }

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-bg);
}
.mobile-nav.is-open { display: flex; }
.mobile-nav a {
  padding: var(--space-3) var(--space-2);
  font-size: var(--text-base);
  color: var(--color-text);
  border-radius: var(--radius-sm);
}
.mobile-nav a:hover { background: var(--color-surface-offset); }
.mobile-nav .btn { margin-top: var(--space-2); }

[data-desktop-only] { display: none; }

@media (min-width: 900px) {
  .main-nav { display: flex; }
  .nav-toggle { display: none; }
  .mobile-nav { display: none !important; }
  [data-desktop-only] { display: inline-flex; }
}

/* ============ HERO ============ */
.hero {
  padding-block: clamp(var(--space-16), 10vw, var(--space-24)) clamp(var(--space-12), 6vw, var(--space-16));
  position: relative;
  overflow: hidden;
}
.orb-hero { width: 420px; height: 420px; top: -12%; right: -8%; }

#product { position: relative; overflow: hidden; }
.orb-product { width: 320px; height: 320px; top: 10%; left: -10%; }

.feature-section { position: relative; overflow: hidden; }
.orb-feature-1 { width: 360px; height: 360px; top: 0%; right: -9%; }
.orb-feature-2 { width: 300px; height: 300px; bottom: -4%; left: -8%; }

.trust-section { position: relative; overflow: hidden; }
.orb-trust { width: 340px; height: 340px; top: 4%; right: -9%; }

#demo { position: relative; overflow: hidden; }
.orb-cta { width: 320px; height: 320px; bottom: -14%; left: 4%; }
.hero::before {
  content: '';
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 520px;
  background: radial-gradient(ellipse at 30% 0%, color-mix(in oklab, var(--color-primary) 20%, transparent), transparent 65%);
  pointer-events: none;
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(color-mix(in oklab, var(--color-text) 7%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in oklab, var(--color-text) 7%, transparent) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse 65% 55% at 28% 8%, black 0%, transparent 72%);
  mask-image: radial-gradient(ellipse 65% 55% at 28% 8%, black 0%, transparent 72%);
  pointer-events: none;
  animation: grid-drift 34s linear infinite;
}
@keyframes grid-drift {
  from { background-position: 0 0, 0 0; }
  to { background-position: 44px 44px, 44px 44px; }
}
.hero-spotlight {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 400ms var(--ease-out);
  background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 15%), color-mix(in oklab, var(--color-primary) 16%, transparent), transparent 70%);
}
.hero:hover .hero-spotlight { opacity: 1; }
.hero-grid {
  position: relative;
  display: grid;
  gap: var(--space-12);
  align-items: center;
}
.hero-copy .eyebrow::before { animation: eyebrow-pulse 2.4s ease-in-out infinite; }
@keyframes eyebrow-pulse {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in oklab, var(--color-primary) 45%, transparent); }
  50% { box-shadow: 0 0 0 4px color-mix(in oklab, var(--color-primary) 16%, transparent); }
}
.hero-copy h1 {
  font-size: clamp(2.5rem, 1.35rem + 3.7vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--color-text);
  max-width: 22ch;
}
.text-gradient {
  background: linear-gradient(100deg, var(--color-primary) 10%, var(--color-secondary) 50%, var(--color-primary) 90%);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient-sheen 5s ease-in-out infinite;
}
@keyframes gradient-sheen {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.hero-copy .lede {
  font-size: var(--text-lg);
  max-width: 38ch;
  margin-top: var(--space-5);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-8); }
.hero-note { margin-top: var(--space-5); font-size: var(--text-xs); color: var(--color-text-faint); }

.hero-mini-trust { display: flex; flex-wrap: wrap; gap: var(--space-5) var(--space-6); margin-top: var(--space-7); }
.hero-mini-trust span { display: flex; align-items: center; gap: var(--space-2); font-size: var(--text-xs); color: var(--color-text-muted); font-weight: 500; }
.hero-mini-trust svg { width: 16px; height: 16px; color: var(--color-primary); flex-shrink: 0; }

.hero-visual { position: relative; perspective: 1400px; }
.device-frame {
  position: relative;
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: rotateY(-2.5deg) rotateX(1deg);
  transition: transform 420ms var(--ease-out), box-shadow 420ms var(--ease-out);
  animation: frame-float 7s ease-in-out infinite;
}
.device-frame:hover {
  transform: rotateY(0deg) rotateX(0deg) scale(1.012);
  box-shadow: var(--shadow-lg), 0 0 0 1px color-mix(in oklab, var(--color-primary) 30%, transparent), 0 30px 70px color-mix(in oklab, var(--color-primary) 14%, transparent);
}
@keyframes frame-float {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -8px; }
}
.device-chrome {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}
.device-chrome span { width: 9px; height: 9px; border-radius: var(--radius-full); background: var(--color-border); }
.device-chrome-label { margin-left: var(--space-2); font-size: var(--text-xs); color: var(--color-text-faint); font-family: var(--font-body); }
.device-frame img { display: block; width: 100%; }

/* ============ HERO DEMO VIDEO ============ */
.video-shell { position: relative; background: #05070c; }
.video-shell video {
  display: block;
  width: 100%;
  aspect-ratio: 1280 / 800;
  background: #05070c;
}
.video-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, color-mix(in oklab, #05070c 15%, transparent) 0%, color-mix(in oklab, #05070c 55%, transparent) 100%);
  color: #fff;
  cursor: pointer;
  transition: opacity 260ms var(--ease-out), visibility 260ms var(--ease-out);
}
.video-shell.is-playing .video-play-btn { opacity: 0; visibility: hidden; pointer-events: none; }
.video-play-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: color-mix(in oklab, #fff 92%, var(--color-primary));
  color: var(--color-primary-active);
  box-shadow: 0 0 0 0 color-mix(in oklab, #fff 40%, transparent), var(--shadow-lg);
  transition: transform 220ms var(--ease-out), box-shadow 220ms var(--ease-out);
  animation: play-pulse 2.6s ease-in-out infinite;
}
.video-play-btn:hover .video-play-icon { transform: scale(1.08); }
@keyframes play-pulse {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in oklab, #fff 35%, transparent), var(--shadow-lg); }
  50% { box-shadow: 0 0 0 14px color-mix(in oklab, #fff 0%, transparent), var(--shadow-lg); }
}
.video-play-copy { display: flex; flex-direction: column; align-items: center; gap: 2px; text-align: center; }
.video-play-copy strong { font-size: var(--text-base); font-weight: 650; font-family: var(--font-display); }
.video-play-copy span { font-size: var(--text-xs); color: color-mix(in oklab, #fff 70%, transparent); letter-spacing: 0.02em; }
.video-frame:has(.video-shell.is-playing) { animation-play-state: paused; transform: rotateY(0deg) rotateX(0deg); }

.floating-chip {
  position: absolute;
  bottom: -18px;
  left: -16px;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-lg);
  max-width: 240px;
  animation: chip-float 6s ease-in-out infinite;
}
@keyframes chip-float {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 6px; }
}
.floating-chip .dot {
  position: relative;
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--color-success);
  box-shadow: 0 0 0 3px var(--color-success-highlight);
  flex-shrink: 0;
}
.floating-chip .dot::before,
.floating-chip .dot::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-full);
  background: var(--color-success);
  animation: radar-ping 2.4s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}
.floating-chip .dot::after { animation-delay: 1.2s; }
@keyframes radar-ping {
  0% { opacity: 0.55; transform: scale(1); }
  100% { opacity: 0; transform: scale(3.2); }
}
.floating-chip strong { display: block; font-size: var(--text-sm); color: var(--color-text); }
.floating-chip span.label { font-size: var(--text-xs); color: var(--color-text-faint); }

.floating-chip-2 {
  position: absolute;
  top: 20px;
  right: -18px;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2) var(--space-4);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text);
  animation: chip-float-2 8s ease-in-out infinite;
}
.floating-chip-2 svg { color: var(--color-primary); flex-shrink: 0; }
@keyframes chip-float-2 {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -7px; }
}

@media (min-width: 960px) {
  .hero-grid { grid-template-columns: 1fr 1.05fr; }
  .hero-copy h1 { max-width: 22ch; }
}

/* ============ TRUST STRIP ============ */
.sector-strip {
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--color-divider);
}
.sector-strip .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3) var(--space-5);
}
.sector-strip-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
  font-weight: 600;
  flex-shrink: 0;
}
.sector-strip-tags { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-6); }
.sector-strip-tags span {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 500ms var(--ease-out), transform 500ms var(--ease-out);
}
.sector-strip.is-visible .sector-strip-tags span { opacity: 1; transform: translateY(0); }
.sector-strip.is-visible .sector-strip-tags span:nth-child(1) { transition-delay: 0ms; }
.sector-strip.is-visible .sector-strip-tags span:nth-child(2) { transition-delay: 60ms; }
.sector-strip.is-visible .sector-strip-tags span:nth-child(3) { transition-delay: 120ms; }
.sector-strip.is-visible .sector-strip-tags span:nth-child(4) { transition-delay: 180ms; }
.sector-strip.is-visible .sector-strip-tags span:nth-child(5) { transition-delay: 240ms; }

.trust-strip {
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.trust-strip .container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6) var(--space-10);
  align-items: center;
  justify-content: space-between;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 500ms var(--ease-out), transform 500ms var(--ease-out);
}
.trust-strip.is-visible .trust-item { opacity: 1; transform: translateY(0); }
.trust-strip.is-visible .trust-item:nth-child(1) { transition-delay: 0ms; }
.trust-strip.is-visible .trust-item:nth-child(2) { transition-delay: 80ms; }
.trust-strip.is-visible .trust-item:nth-child(3) { transition-delay: 160ms; }
.trust-strip.is-visible .trust-item:nth-child(4) { transition-delay: 240ms; }
.trust-item svg { width: 18px; height: 18px; color: var(--color-primary); flex-shrink: 0; }

/* ============ PROBLEM (asymmetric) ============ */
.problem { display: grid; gap: var(--space-10); }
.problem-copy h2 { font-size: var(--text-xl); color: var(--color-text); margin-block: var(--space-3) var(--space-4); }
.problem-copy p { font-size: var(--text-base); margin-bottom: var(--space-4); }
.problem-list { display: flex; flex-direction: column; gap: var(--space-4); margin-top: var(--space-6); }
.problem-list-item { display: flex; gap: var(--space-3); align-items: flex-start; }
.problem-list-item svg { color: var(--color-error); flex-shrink: 0; margin-top: 3px; width: 18px; height: 18px; }
.problem-list-item span { font-size: var(--text-sm); color: var(--color-text-muted); }

.problem-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
}
.problem-panel h3 { font-size: var(--text-base); color: var(--color-text); margin-bottom: var(--space-5); }
.timeline-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-block: var(--space-3);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-sm);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 500ms var(--ease-out), transform 500ms var(--ease-out);
}
.timeline-row:first-of-type { border-top: none; }
.problem.is-visible .timeline-row { opacity: 1; transform: translateX(0); }
.problem.is-visible .timeline-row:nth-of-type(1) { transition-delay: 80ms; }
.problem.is-visible .timeline-row:nth-of-type(2) { transition-delay: 220ms; }
.problem.is-visible .timeline-row:nth-of-type(3) { transition-delay: 360ms; }
.problem.is-visible .timeline-row:nth-of-type(4) { transition-delay: 500ms; }
.timeline-row .t { color: var(--color-text-faint); font-family: var(--font-body); font-variant-numeric: tabular-nums; width: 4.5ch; flex-shrink: 0; }
.timeline-row .status-dot { width: 8px; height: 8px; border-radius: var(--radius-full); flex-shrink: 0; }
.status-dot--ok { background: var(--color-success); }
.status-dot--warn { background: var(--color-primary); position: relative; }
.status-dot--warn::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  animation: radar-ping 1.8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}
.status-dot--error { background: var(--color-error); }
.timeline-row .desc { color: var(--color-text-muted); }
.timeline-row .desc strong { color: var(--color-text); font-weight: 600; }

@media (min-width: 960px) {
  .problem { grid-template-columns: 1fr 0.9fr; align-items: start; }
}

/* ============ FEATURE NARRATIVE ROWS ============ */
.feature-row {
  display: grid;
  gap: var(--space-10);
  align-items: center;
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
  border-top: 1px solid var(--color-divider);
}
.feature-row:first-of-type { border-top: none; }
.feature-row .eyebrow { margin-bottom: var(--space-4); }
.feature-row h3 { font-size: var(--text-xl); color: var(--color-text); margin-bottom: var(--space-4); max-width: 20ch; }
.feature-row p.lede { font-size: var(--text-base); color: var(--color-text-muted); margin-bottom: var(--space-6); max-width: 46ch; }
.feature-checks { display: flex; flex-direction: column; gap: var(--space-3); }
.feature-checks li { display: flex; gap: var(--space-3); align-items: flex-start; font-size: var(--text-sm); color: var(--color-text-muted); }
.feature-checks svg { color: var(--color-primary); flex-shrink: 0; margin-top: 2px; width: 18px; height: 18px; }
.feature-checks strong { color: var(--color-text); font-weight: 600; }

.feature-visual { position: relative; perspective: 1200px; }
.feature-visual img,
.feature-visual .mock {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}
.feature-visual .mock { background: var(--color-surface); padding: var(--space-6); overflow: hidden; }

@media (min-width: 960px) {
  .feature-row { grid-template-columns: 1fr 1fr; }
  .feature-row.is-reverse .feature-copy { order: 2; }
}

/* Abstract schedule mock (scheduling section illustration) */
.schedule-mock { display: flex; flex-direction: column; gap: var(--space-2); }
.schedule-mock .week-header { display: grid; grid-template-columns: 3.5rem repeat(5, 1fr); gap: var(--space-2); margin-bottom: var(--space-2); }
.schedule-mock .week-header span { font-size: var(--text-xs); color: var(--color-text-faint); text-align: center; font-weight: 600; }
.schedule-mock .week-row { display: grid; grid-template-columns: 3.5rem repeat(5, 1fr); gap: var(--space-2); align-items: center; }
.schedule-mock .week-row .name { font-size: var(--text-xs); color: var(--color-text-muted); }
.schedule-mock .shift-block {
  height: 26px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-offset);
  transform: scale(0.35);
  opacity: 0;
  transition: transform 420ms var(--ease-out), opacity 420ms var(--ease-out);
  transition-delay: calc(var(--row, 0) * 70ms);
}
.feature-row.is-visible .schedule-mock .shift-block { transform: scale(1); opacity: 1; }
.schedule-mock .shift-block.filled { background: color-mix(in oklab, var(--color-primary) 55%, var(--color-surface-offset)); }
.schedule-mock .shift-block.night {
  background: color-mix(in oklab, var(--color-text) 78%, var(--color-surface-offset));
  background-image: repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0, rgba(255, 255, 255, 0.12) 2px, transparent 2px, transparent 7px);
}

/* ============ HOW IT WORKS ============ */
.steps { display: flex; flex-direction: column; gap: 0; }
.step {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: var(--space-5);
  padding-block: var(--space-6);
  border-top: 1px solid var(--color-divider);
}
.step:first-child { border-top: none; padding-top: 0; }
.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-full);
  background: var(--color-surface-offset);
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: var(--color-primary);
  font-weight: 650;
  transition: background var(--transition-interactive), color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.step:hover .step-index {
  background: var(--color-primary);
  color: #fff9f2;
  box-shadow: 0 0 0 6px color-mix(in oklab, var(--color-primary) 18%, transparent);
}
.steps.is-visible .step { opacity: 0; transform: translateY(10px); animation: step-in 520ms var(--ease-out) forwards; }
.steps.is-visible .step:nth-of-type(1) { animation-delay: 0ms; }
.steps.is-visible .step:nth-of-type(2) { animation-delay: 100ms; }
.steps.is-visible .step:nth-of-type(3) { animation-delay: 200ms; }
.steps.is-visible .step:nth-of-type(4) { animation-delay: 300ms; }
@keyframes step-in { to { opacity: 1; transform: translateY(0); } }
.step h4 { font-size: var(--text-base); color: var(--color-text); margin-bottom: var(--space-2); }
.step p { font-size: var(--text-sm); max-width: 56ch; }

/* ============ TRUST / SAFETY BAND ============ */
.trust-band {
  position: relative;
  overflow: hidden;
  background: var(--color-surface-offset);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-8), 5vw, var(--space-12));
  display: grid;
  gap: var(--space-8);
}
.trust-band::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.4;
  mix-blend-mode: overlay;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.4'/%3E%3C/svg%3E");
}
.trust-band-grid { display: grid; gap: var(--space-6); }
.trust-card {
  position: relative;
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-3);
  margin: calc(var(--space-3) * -1);
  border-radius: var(--radius-lg);
  transition: background var(--transition-interactive), transform var(--transition-interactive);
}
.trust-card:hover { background: var(--color-surface); transform: translateY(-2px); }
.trust-card svg { color: var(--color-primary); flex-shrink: 0; width: 22px; height: 22px; }
.trust-card h4 { font-size: var(--text-base); color: var(--color-text); margin-bottom: var(--space-1); }
.trust-card p { font-size: var(--text-sm); }
.disclaimer {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-6);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: 68ch;
}

@media (min-width: 768px) {
  .trust-band-grid { grid-template-columns: 1fr 1fr; }
}

/* ============ FEATURE GRID (5-up) ============ */
.section-head--center { max-width: 34rem; margin-inline: auto; margin-bottom: var(--space-14); text-align: center; }
.section-head--center h2 { font-size: var(--text-xl); color: var(--color-text); }
.features-grid {
  display: grid;
  gap: var(--space-6);
  margin-bottom: var(--space-14);
}
.feature-card {
  position: relative;
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  transition: transform var(--transition-interactive), border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.feature-card:hover { transform: translateY(-3px); border-color: color-mix(in oklab, var(--color-primary) 35%, var(--color-border)); box-shadow: var(--shadow-md); }
.feature-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-full);
  background: color-mix(in oklab, var(--color-primary) 14%, transparent);
  color: var(--color-primary);
  margin-bottom: var(--space-5);
}
.feature-card h4 {
  font-size: var(--text-base);
  color: var(--color-text);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid color-mix(in oklab, var(--color-primary) 25%, transparent);
  display: inline-block;
}
.feature-card p { font-size: var(--text-sm); }

@media (min-width: 640px) {
  .features-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1080px) {
  .features-grid { grid-template-columns: repeat(5, 1fr); gap: var(--space-5); }
}

/* ============ FAQ ============ */
.faq-list { border-top: 1px solid var(--color-divider); }
.faq-item { border-bottom: 1px solid var(--color-divider); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-5);
  text-align: left;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
}
.faq-question svg { flex-shrink: 0; color: var(--color-text-faint); transition: transform var(--transition-interactive); }
.faq-item[data-open='true'] .faq-question svg { transform: rotate(45deg); color: var(--color-primary); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 260ms var(--ease-out);
}
.faq-item[data-open='true'] .faq-answer { max-height: 400px; }
.faq-answer p { padding-bottom: var(--space-5); font-size: var(--text-sm); max-width: 62ch; }

/* ============ FINAL CTA ============ */
.cta-band {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-text) 0%, color-mix(in oklab, var(--color-text) 88%, var(--color-primary)) 100%);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-12), 7vw, var(--space-20)) clamp(var(--space-6), 6vw, var(--space-16));
  color: var(--color-text-inverse);
  text-align: left;
}
.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(color-mix(in oklab, var(--color-text-inverse) 9%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in oklab, var(--color-text-inverse) 9%, transparent) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(ellipse 70% 90% at 82% 15%, black 0%, transparent 70%);
  mask-image: radial-gradient(ellipse 70% 90% at 82% 15%, black 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.cta-band::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('./assets/cta-light-streaks.png');
  background-size: cover;
  background-position: center;
  opacity: 0.5;
  mix-blend-mode: screen;
  pointer-events: none;
  z-index: 0;
}
[data-theme='light'] .cta-band::after { opacity: 0.22; }
[data-theme='dark'] .cta-band {
  --color-text-inverse: #f8f4ee;
  background: linear-gradient(135deg, var(--color-surface-offset-2) 0%, color-mix(in oklab, var(--color-surface-offset-2) 72%, var(--color-primary)) 80%, color-mix(in oklab, var(--color-surface-offset-2) 65%, var(--color-secondary)) 100%);
}
.cta-band h2 { font-size: var(--text-xl); color: var(--color-text-inverse); max-width: 22ch; margin-bottom: var(--space-4); }
.cta-band p { color: color-mix(in oklab, var(--color-text-inverse) 72%, transparent); max-width: 46ch; margin-bottom: var(--space-8); font-size: var(--text-base); }
.cta-band .hero-actions { margin-top: 0; }
.cta-band .btn-secondary { border-color: color-mix(in oklab, var(--color-text-inverse) 30%, transparent); color: var(--color-text-inverse); }
.cta-band .btn-secondary:hover { background: color-mix(in oklab, var(--color-text-inverse) 10%, transparent); }

.cta-band-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr 1fr; gap: var(--space-12); align-items: start; }
.cta-band-copy h2 { margin-top: var(--space-3); }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.demo-form { display: flex; flex-direction: column; gap: var(--space-3); background: color-mix(in oklab, var(--color-text-inverse) 6%, transparent); border: 1px solid color-mix(in oklab, var(--color-text-inverse) 14%, transparent); border-radius: var(--radius-lg); padding: var(--space-6); backdrop-filter: blur(6px); }

.demo-form-tabs { display: flex; gap: var(--space-2); padding: 3px; background: color-mix(in oklab, var(--color-text-inverse) 8%, transparent); border-radius: var(--radius-full); margin-bottom: var(--space-1); }
.demo-form-tab { flex: 1; font-family: var(--font-body); font-size: var(--text-xs); font-weight: 600; padding: var(--space-2) var(--space-3); border-radius: var(--radius-full); background: transparent; color: color-mix(in oklab, var(--color-text-inverse) 70%, transparent); border: none; cursor: pointer; transition: background 200ms var(--ease-out), color 200ms var(--ease-out); }
.demo-form-tab.is-active { background: var(--color-text-inverse); color: #14131f; }
.demo-form-tab:not(.is-active):hover { color: var(--color-text-inverse); }

.demo-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.demo-form-field { min-width: 0; }
.demo-form input[type='text'], .demo-form input[type='email'], .demo-form input[type='tel'], .demo-form textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-inverse);
  background: color-mix(in oklab, var(--color-text-inverse) 8%, transparent);
  border: 1px solid color-mix(in oklab, var(--color-text-inverse) 18%, transparent);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  min-height: 44px;
  transition: border-color 160ms var(--ease-out), background 160ms var(--ease-out);
}
.demo-form textarea { min-height: 64px; resize: vertical; }
.demo-form input::placeholder, .demo-form textarea::placeholder { color: color-mix(in oklab, var(--color-text-inverse) 55%, transparent); }
.demo-form input:focus-visible, .demo-form textarea:focus-visible { outline: none; border-color: color-mix(in oklab, var(--color-text-inverse) 55%, transparent); background: color-mix(in oklab, var(--color-text-inverse) 12%, transparent); }
.demo-form input:invalid:not(:placeholder-shown) { border-color: color-mix(in oklab, #ff8a80 60%, var(--color-text-inverse)); }

.demo-form-honeypot { position: absolute; width: 1px; height: 1px; overflow: hidden; opacity: 0; pointer-events: none; }

.demo-form-status { min-height: 1.2em; font-size: var(--text-xs); color: color-mix(in oklab, var(--color-text-inverse) 80%, transparent); margin: 0; }
.demo-form-status[data-state='error'] { color: #ffb4a8; }
.demo-form-status[data-state='success'] { color: #b7e4c7; }

@media (max-width: 860px) {
  .cta-band-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .demo-form-row { grid-template-columns: 1fr; }
}

/* ============ FOOTER ============ */
.site-footer { border-top: 1px solid var(--color-divider); padding-block: var(--space-16) var(--space-10); }
.footer-top { display: grid; gap: var(--space-10); margin-bottom: var(--space-12); }
.footer-brand .brand { margin-bottom: var(--space-3); }
.footer-brand p { font-size: var(--text-sm); max-width: 32ch; }
.footer-col h5 { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-faint); margin-bottom: var(--space-3); font-weight: 600; }
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-col a { font-size: var(--text-sm); color: var(--color-text-muted); }
.footer-col a:hover { color: var(--color-text); }
.footer-col-loop p { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-4); max-width: 26ch; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

@media (min-width: 768px) {
  .footer-top { grid-template-columns: 1.3fr 1fr 1fr 1fr; }
}
@media (min-width: 1080px) {
  .footer-top { grid-template-columns: 1.3fr 0.8fr 0.8fr 1fr; }
}

/* ============ SCROLL REVEAL ============ */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 640ms var(--ease-out), transform 640ms var(--ease-out);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* Native CSS scroll-driven reveal (no JS) - used on content outside the JS/IO reveal system */
[data-scroll-fade] { opacity: 1; }
@supports (animation-timeline: view()) {
  [data-scroll-fade] {
    opacity: 0;
    clip-path: inset(0 0 18% 0);
    filter: blur(4px);
    animation: scroll-fade-in linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 65%;
  }
}
@keyframes scroll-fade-in {
  to { opacity: 1; clip-path: inset(0 0 0% 0); filter: blur(0); }
}
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .hero-grid-bg,
  .device-frame,
  .floating-chip,
  .floating-chip-2,
  .floating-chip .dot::before,
  .floating-chip .dot::after,
  .status-dot--warn::after,
  .text-gradient,
  .hero-copy .eyebrow::before {
    animation: none !important;
  }
  .hero-spotlight { display: none; }
  .trust-item,
  .timeline-row,
  .schedule-mock .shift-block,
  .steps .step {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    animation: none !important;
  }
  .btn-primary::after { display: none; }
  [data-scroll-fade] { opacity: 1 !important; clip-path: none !important; filter: none !important; animation: none !important; }
  .parallax-orb { transform: none !important; }
}