/* ============================================================
   AUTHORITY STACK — Design System & Component Styles
   Brand: Premium SaaS | Legal + Medical authority engine
   Palette: Near-black navy / Platinum white / Signal amber
   ============================================================ */

/* --- DESIGN TOKENS --- */
:root {
  /* Type scale — fluid clamp() */
  --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,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);

  /* Spacing — 4px base */
  --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 */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  /* Fonts */
  --font-display: 'Syne', 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', 'Helvetica Neue', sans-serif;
}

/* ============================================================
   LIGHT MODE — Authority Stack Brand Palette
   Near-black navy surfaces, signal amber accent
   ============================================================ */
:root, [data-theme="light"] {
  /* Surfaces */
  --color-bg:             #F8F8F6;
  --color-surface:        #FFFFFF;
  --color-surface-2:      #F2F2EF;
  --color-surface-offset: #EAEAE6;
  --color-surface-dynamic: #E2E2DD;
  --color-divider:        #D8D8D3;
  --color-border:         #CECEC8;

  /* Text */
  --color-text:           #0D0E14;
  --color-text-muted:     #5A5C66;
  --color-text-faint:     #A8A9B0;
  --color-text-inverse:   #F8F8F6;

  /* Primary accent — Signal Amber */
  --color-primary:        #E8920A;
  --color-primary-hover:  #C97A06;
  --color-primary-active: #A86204;
  --color-primary-highlight: #FDF0DA;

  /* Navy — authority dark */
  --color-navy:           #0D0E14;
  --color-navy-mid:       #191B27;
  --color-navy-surface:   #1E2030;
  --color-navy-border:    #2D3048;
  --color-navy-muted:     #6B6E85;
  --color-navy-faint:     #3D4058;

  /* Accent 2 — Ice Blue for signals/data */
  --color-accent-2:       #2B9FD6;
  --color-accent-2-hover: #1D85B8;

  /* Success */
  --color-success:        #22A267;
  --color-error:          #D94040;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(13, 14, 20, 0.08);
  --shadow-md:  0 4px 16px rgba(13, 14, 20, 0.12);
  --shadow-lg:  0 12px 40px rgba(13, 14, 20, 0.16);
  --shadow-xl:  0 24px 64px rgba(13, 14, 20, 0.20);
  --shadow-glow: 0 0 32px rgba(232, 146, 10, 0.25);
}

/* ============================================================
   DARK MODE — Inverted: navy bg, bright amber accent
   ============================================================ */
[data-theme="dark"] {
  --color-bg:             #0D0E14;
  --color-surface:        #14151E;
  --color-surface-2:      #1A1B26;
  --color-surface-offset: #1E2030;
  --color-surface-dynamic: #252739;
  --color-divider:        #2D3048;
  --color-border:         #353756;

  --color-text:           #F0F0EE;
  --color-text-muted:     #9294A8;
  --color-text-faint:     #4D4F66;
  --color-text-inverse:   #0D0E14;

  --color-primary:        #F0A030;
  --color-primary-hover:  #F5B350;
  --color-primary-active: #FACB70;
  --color-primary-highlight: #2A2010;

  --color-navy:           #F0F0EE;
  --color-navy-mid:       #E0E0DC;
  --color-navy-surface:   #252739;
  --color-navy-border:    #353756;
  --color-navy-muted:     #9294A8;
  --color-navy-faint:     #4D4F66;

  --color-accent-2:       #4DB8E8;
  --color-accent-2-hover: #72CAF0;

  --color-success:        #3EC47A;
  --color-error:          #F05050;

  --shadow-sm:  0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md:  0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg:  0 12px 40px rgba(0, 0, 0, 0.5);
  --shadow-xl:  0 24px 64px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 32px rgba(240, 160, 48, 0.30);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:             #0D0E14;
    --color-surface:        #14151E;
    --color-surface-2:      #1A1B26;
    --color-surface-offset: #1E2030;
    --color-surface-dynamic: #252739;
    --color-divider:        #2D3048;
    --color-border:         #353756;
    --color-text:           #F0F0EE;
    --color-text-muted:     #9294A8;
    --color-text-faint:     #4D4F66;
    --color-text-inverse:   #0D0E14;
    --color-primary:        #F0A030;
    --color-primary-hover:  #F5B350;
    --color-primary-active: #FACB70;
    --color-primary-highlight: #2A2010;
    --color-navy:           #F0F0EE;
    --color-navy-mid:       #E0E0DC;
    --color-navy-surface:   #252739;
    --color-navy-border:    #353756;
    --color-navy-muted:     #9294A8;
    --color-navy-faint:     #4D4F66;
    --color-accent-2:       #4DB8E8;
    --color-accent-2-hover: #72CAF0;
    --color-success:        #3EC47A;
    --color-error:          #F05050;
    --shadow-sm:  0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md:  0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg:  0 12px 40px rgba(0, 0, 0, 0.5);
    --shadow-xl:  0 24px 64px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 32px rgba(240, 160, 48, 0.30);
  }
}

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
}

.container--narrow {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
}

section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklab, var(--color-bg) 85%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow var(--transition-interactive);
}

.header--scrolled {
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  height: 64px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
}

.header__logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.header__nav a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color var(--transition-interactive);
}

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

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

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

.mobile-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .mobile-menu-btn { display: flex; }
  .header__nav { display: none; }
  .header__nav.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-divider);
    padding: var(--space-6);
    gap: var(--space-4);
    z-index: 99;
  }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-interactive);
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}
.btn--primary:active {
  transform: translateY(0);
  background: var(--color-primary-active);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--outline:hover {
  background: var(--color-surface-offset);
  border-color: var(--color-text-muted);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: transparent;
}
.btn--ghost:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

.btn--dark {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}
.btn--dark:hover {
  background: var(--color-text-muted);
  border-color: var(--color-text-muted);
  transform: translateY(-1px);
}

/* ============================================================
   BADGE / PILL
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid;
}

.badge--amber {
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  border-color: color-mix(in oklab, var(--color-primary) 30%, transparent);
}

.badge--blue {
  background: color-mix(in oklab, var(--color-accent-2) 12%, transparent);
  color: var(--color-accent-2);
  border-color: color-mix(in oklab, var(--color-accent-2) 30%, transparent);
}

.badge--outline {
  background: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border);
}

/* Live pulse dot */
.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 0 var(--color-primary);
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in oklab, var(--color-primary) 60%, transparent); }
  70%  { box-shadow: 0 0 0 8px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

/* ============================================================
   SECTION LABELS
   ============================================================ */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.section-label::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #0D0E14;
  padding-block: clamp(var(--space-20), 10vw, var(--space-32));
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(232, 146, 10, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 146, 10, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero__glow-1 {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(232, 146, 10, 0.12) 0%, transparent 65%);
  border-radius: 50%;
}

.hero__glow-2 {
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(43, 159, 214, 0.08) 0%, transparent 65%);
  border-radius: 50%;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3) var(--space-1) var(--space-2);
  background: color-mix(in oklab, var(--color-primary) 12%, transparent);
  border: 1px solid color-mix(in oklab, var(--color-primary) 30%, transparent);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-8);
}

.hero__heading {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 1rem + 5vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: #F0F0EE;
  margin-bottom: var(--space-6);
  max-width: 14ch;
}

.hero__heading .accent {
  color: var(--color-primary);
}

.hero__sub {
  font-size: clamp(1.05rem, 0.9rem + 0.75vw, 1.3rem);
  color: rgba(240, 240, 238, 0.6);
  max-width: 52ch;
  line-height: 1.65;
  margin-bottom: var(--space-10);
}

.hero__ctas {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__ctas .btn--primary {
  font-size: clamp(0.9rem, 0.8rem + 0.4vw, 1.05rem);
  padding: clamp(0.75rem, 0.6rem + 0.5vw, 1rem) clamp(1.5rem, 1.2rem + 1vw, 2rem);
}

.hero__social-proof {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-12);
  color: rgba(240, 240, 238, 0.4);
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
}

.hero__social-proof-dots {
  display: flex;
  gap: var(--space-1);
}

.hero__social-proof-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: 0.5;
}
.hero__social-proof-dots span:first-child { opacity: 1; }

/* Live ticker */
.hero__ticker {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: color-mix(in oklab, var(--color-primary) 10%, transparent);
  border-top: 1px solid color-mix(in oklab, var(--color-primary) 25%, transparent);
  overflow: hidden;
  height: 44px;
  display: flex;
  align-items: center;
}

.hero__ticker-label {
  flex-shrink: 0;
  padding-inline: var(--space-4);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  border-right: 1px solid color-mix(in oklab, var(--color-primary) 25%, transparent);
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: color-mix(in oklab, var(--color-primary) 8%, transparent);
  z-index: 2;
}

.hero__ticker-track {
  display: flex;
  gap: var(--space-10);
  animation: ticker 28s linear infinite;
  padding-left: var(--space-8);
  white-space: nowrap;
}

.hero__ticker-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: rgba(240, 240, 238, 0.55);
  letter-spacing: 0.01em;
}

.hero__ticker-item .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: 0.7;
  flex-shrink: 0;
}

@keyframes ticker {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Hero right panel — visual content */
.hero__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.hero__visual {
  position: relative;
}

.hero__card-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-2);
}

.content-card {
  background: color-mix(in oklab, #ffffff 6%, transparent);
  border: 1px solid rgba(240, 240, 238, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  backdrop-filter: blur(8px);
  transition: all 0.3s ease;
}

.content-card:hover {
  background: color-mix(in oklab, #ffffff 10%, transparent);
  border-color: rgba(232, 146, 10, 0.3);
  transform: translateX(4px);
}

.content-card__type {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.content-card__title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: #F0F0EE;
  line-height: 1.35;
  margin-bottom: var(--space-2);
}

.content-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: rgba(240, 240, 238, 0.35);
}

.content-card__time {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-primary);
  font-weight: 600;
}

.content-card--featured {
  border-color: rgba(232, 146, 10, 0.25);
  background: color-mix(in oklab, var(--color-primary) 8%, transparent);
}

@media (max-width: 900px) {
  .hero__layout {
    grid-template-columns: 1fr;
  }
  .hero__visual { display: none; }
  .hero__heading { max-width: 100%; }
}

/* ============================================================
   TRUST BAR
   ============================================================ */
.trust-bar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
  padding-block: var(--space-8);
}

.trust-bar__inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-6);
  align-items: center;
}

.trust-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-5);
  border-right: 1px solid var(--color-divider);
}

.trust-stat:last-child { border-right: none; }

.trust-stat__number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--color-text);
  line-height: 1;
}

.trust-stat__number .accent { color: var(--color-primary); }

.trust-stat__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
  letter-spacing: 0.03em;
}

@media (max-width: 640px) {
  .trust-bar__inner {
    grid-template-columns: repeat(2, 1fr);
  }
  .trust-stat { border-right: none; border-bottom: 1px solid var(--color-divider); }
  .trust-stat:nth-last-child(-n+2) { border-bottom: none; }
}

/* ============================================================
   PROBLEM SECTION
   ============================================================ */
.problem {
  background: var(--color-bg);
  position: relative;
  overflow: hidden;
}

.problem__layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(var(--space-12), 6vw, var(--space-20));
  align-items: start;
}

.problem__left { }

.problem__heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--color-text);
  max-width: 100%;
  text-align: center;
}

.problem__body {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-8);
}

.pain-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  list-style: none;
}

.pain-item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-interactive);
}

.pain-item:hover {
  border-color: var(--color-text-faint);
}

.pain-item__icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  background: var(--color-surface-offset);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  line-height: 1;
}

.pain-item__content {}

.pain-item__title {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.pain-item__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: none;
}

/* Timeline visual */
.timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  position: relative;
  padding-left: var(--space-6);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 20px;
  bottom: 20px;
  width: 2px;
  background: var(--color-divider);
}

.timeline-event {
  position: relative;
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  transition: all var(--transition-interactive);
}

.timeline-event::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-8) + 8px);
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-surface-offset);
  border: 2px solid var(--color-divider);
  z-index: 1;
}

.timeline-event.is-active {
  border-color: var(--color-primary);
  background: var(--color-primary-highlight);
}

.timeline-event.is-active::before {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.timeline-event__label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-1);
}

.timeline-event.is-active .timeline-event__label {
  color: var(--color-primary);
}

.timeline-event__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: none;
}

.timeline-event.is-active .timeline-event__text {
  color: var(--color-text);
}

.timeline-verdict {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: color-mix(in oklab, var(--color-error) 8%, transparent);
  border: 1px solid color-mix(in oklab, var(--color-error) 25%, transparent);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 500;
}

.timeline-verdict__icon {
  font-size: 20px;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .problem__layout { grid-template-columns: 1fr; }
}

/* ============================================================
   SOLUTION SECTION
   ============================================================ */
.solution {
  background: #0D0E14;
  color: #F0F0EE;
  position: relative;
  overflow: hidden;
}

.solution__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(232, 146, 10, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 146, 10, 0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}

.solution__content { position: relative; z-index: 1; }

.solution__header {
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: clamp(var(--space-12), 5vw, var(--space-20));
}

.solution__heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: #F0F0EE;
  margin-bottom: var(--space-5);
}

.solution__heading .accent { color: var(--color-primary); }

.solution__sub {
  font-size: var(--text-lg);
  color: rgba(240, 240, 238, 0.55);
  line-height: 1.65;
}

.solution__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.solution-card {
  background: color-mix(in oklab, #ffffff 5%, transparent);
  border: 1px solid rgba(240, 240, 238, 0.07);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all 0.3s ease;
}

.solution-card:hover {
  background: color-mix(in oklab, #ffffff 8%, transparent);
  border-color: rgba(232, 146, 10, 0.25);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.solution-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: color-mix(in oklab, var(--color-primary) 15%, transparent);
  border: 1px solid color-mix(in oklab, var(--color-primary) 25%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  font-size: 22px;
}

.solution-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: #F0F0EE;
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}

.solution-card__text {
  font-size: var(--text-base);
  color: rgba(240, 240, 238, 0.5);
  line-height: 1.7;
  max-width: none;
}

@media (max-width: 900px) {
  .solution__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .solution__grid { grid-template-columns: 1fr; }
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how-it-works {
  background: var(--color-bg);
}

.how-it-works__header {
  text-align: center;
  margin-bottom: clamp(var(--space-12), 5vw, var(--space-20));
}

.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.section-sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 56ch;
  margin-inline: auto;
  line-height: 1.7;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2);
  position: relative;
}

.steps-grid::after {
  content: '';
  position: absolute;
  top: 36px;
  left: calc(12.5% + 24px);
  right: calc(12.5% + 24px);
  height: 1px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-2));
  opacity: 0.3;
  pointer-events: none;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-xl);
  transition: all var(--transition-interactive);
  position: relative;
}

.step:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.step__number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-5);
  flex-shrink: 0;
}

.step__icon {
  font-size: 22px;
  margin-bottom: var(--space-4);
}

.step__title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.step__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: none;
}

.step__time {
  margin-top: auto;
  padding-top: var(--space-4);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

@media (max-width: 900px) {
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .steps-grid::after { display: none; }
}
@media (max-width: 560px) {
  .steps-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   USE CASES
   ============================================================ */
.use-cases {
  background: var(--color-surface);
}

.use-cases__tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-10);
  border-bottom: 1px solid var(--color-divider);
}

.tab-btn {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  transition: all var(--transition-interactive);
  background: none;
  border-left: none;
  border-right: none;
  border-top: none;
  border-radius: 0;
}

.tab-btn:hover { color: var(--color-text); }

.tab-btn.is-active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-panel { display: none; }
.tab-panel.is-active { display: block; }

.use-case-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-12), 5vw, var(--space-20));
  align-items: start;
}

.use-case__label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.use-case__heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--color-text);
  margin-bottom: var(--space-5);
}

.use-case__body {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-8);
}

.outcome-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  list-style: none;
}

.outcome-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.outcome-item::before {
  content: '';
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  border-radius: 50%;
  background: color-mix(in oklab, var(--color-primary) 15%, transparent);
  border: 1.5px solid var(--color-primary);
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='8' viewBox='0 0 10 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 4L3.5 6.5L9 1.5' stroke='%23E8920A' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  margin-top: 1px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.metric-card {
  padding: var(--space-5);
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
}

.metric-card__value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.metric-card__value .accent { color: var(--color-primary); }

.metric-card__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
  max-width: none;
}

@media (max-width: 768px) {
  .use-case-layout { grid-template-columns: 1fr; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   SAMPLE OUTPUT
   ============================================================ */
.sample-output {
  background: var(--color-bg);
}

.output-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.output-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-interactive);
}

.output-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.output-card__header {
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-divider);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.output-card__type {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.output-card__tag {
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-2);
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.output-card__body {
  padding: var(--space-6);
}

.output-card__news-trigger {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.output-card__news-trigger::before {
  content: '↳';
  font-size: 10px;
}

.output-card__headline {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: var(--space-4);
  letter-spacing: -0.01em;
}

.output-card__preview {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  max-width: none;
}

.output-card__footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-divider);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.output-card__delivery {
  font-size: var(--text-xs);
  color: var(--color-success);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.output-card__cta {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

@media (max-width: 900px) {
  .output-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .output-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   PRICING
   ============================================================ */
.pricing {
  background: var(--color-surface);
}

.pricing__header {
  text-align: center;
  margin-bottom: clamp(var(--space-12), 5vw, var(--space-20));
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  align-items: start;
}

.pricing-card {
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
  transition: all var(--transition-interactive);
}

.pricing-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.pricing-card--featured {
  background: #0D0E14;
  border-color: var(--color-primary);
  color: #F0F0EE;
  transform: scale(1.03);
}

.pricing-card--featured:hover {
  transform: scale(1.03) translateY(-3px);
}

.pricing-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-card__tier {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.pricing-card--featured .pricing-card__tier {
  color: rgba(240, 240, 238, 0.5);
}

.pricing-card__name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.pricing-card--featured .pricing-card__name {
  color: #F0F0EE;
}

.pricing-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-6);
  max-width: none;
}

.pricing-card--featured .pricing-card__desc {
  color: rgba(240, 240, 238, 0.5);
}

.pricing-card__price {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  margin-bottom: var(--space-8);
}

.pricing-card__amount {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--color-text);
  line-height: 1;
}

.pricing-card--featured .pricing-card__amount { color: #F0F0EE; }

.pricing-card__currency {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-muted);
  align-self: flex-start;
  margin-top: 4px;
}

.pricing-card--featured .pricing-card__currency {
  color: rgba(240, 240, 238, 0.5);
}

.pricing-card__period {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  align-self: flex-end;
  margin-bottom: 2px;
}

.pricing-card--featured .pricing-card__period {
  color: rgba(240, 240, 238, 0.4);
}

.pricing-divider {
  height: 1px;
  background: var(--color-divider);
  margin-bottom: var(--space-6);
}

.pricing-card--featured .pricing-divider {
  background: rgba(240, 240, 238, 0.1);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  list-style: none;
  margin-bottom: var(--space-8);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.pricing-card--featured .feature-item {
  color: rgba(240, 240, 238, 0.6);
}

.feature-check {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-primary);
}

@media (max-width: 900px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-inline: auto;
  }
  .pricing-card--featured { transform: none; }
  .pricing-card--featured:hover { transform: translateY(-3px); }
}

/* ============================================================
   FINAL CTA SECTION
   ============================================================ */
.final-cta {
  background: #0D0E14;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.final-cta__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.final-cta__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(232, 146, 10, 0.15) 0%, transparent 65%);
}

.final-cta__content {
  position: relative;
  z-index: 1;
}

.final-cta__heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 1rem + 4vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.08;
  color: #F0F0EE;
  margin-bottom: var(--space-6);
  max-width: 16ch;
  margin-inline: auto;
}

.final-cta__heading .accent { color: var(--color-primary); }

.final-cta__sub {
  font-size: var(--text-lg);
  color: rgba(240, 240, 238, 0.5);
  max-width: 52ch;
  margin-inline: auto;
  line-height: 1.65;
  margin-bottom: var(--space-10);
}

.final-cta__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.final-cta__note {
  margin-top: var(--space-6);
  font-size: var(--text-xs);
  color: rgba(240, 240, 238, 0.3);
  letter-spacing: 0.03em;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-12) var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-10);
}

.footer__brand {}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.footer__logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: 32ch;
}

.footer__col-heading {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

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

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer__legal {
  display: flex;
  gap: var(--space-5);
}

.footer__legal a {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

.footer__legal a:hover { color: var(--color-text-muted); }

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

/* ============================================================
   SCROLL REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}