/* Kizu - Main Stylesheet */
/* All design tokens are in docs/design/tokens.css */

/* ==========================================
   Base Styles
   ========================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  overflow-x: clip;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg-body-gradient);
  background-attachment: fixed;
  color: var(--color-text-primary);
  line-height: var(--leading-loose);
  width: 100%;
  overflow-x: hidden;
  overflow-x: clip;
}

/* Page wrapper prevents any child from widening the document */
#page-wrap {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

/* Chat widget: fixed overlay, no effect on document flow or width */
#n8n-chat,
#n8n-chat > * {
  position: fixed !important;
  bottom: 24px !important;
  right: 5px !important;
  left: auto !important;
  top: auto !important;
  width: auto !important;
  height: auto !important;
  max-width: none !important;
  z-index: 99999 !important;
  pointer-events: auto !important;
}

/* ==========================================
   Ambient Background Effects
   ========================================== */
.bg-glow {
  position: fixed;
  width: var(--glow-size);
  height: var(--glow-size);
  border-radius: 50%;
  filter: blur(var(--blur-lg));
  opacity: var(--glow-opacity);
  pointer-events: none;
  z-index: var(--z-behind);
}

.bg-glow-1 {
  top: -200px;
  right: -100px;
  background: var(--gradient-glow-1);
}

.bg-glow-2 {
  bottom: 20%;
  left: -200px;
  background: var(--gradient-glow-2);
}

/* ==========================================
   Navigation
   ========================================== */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding: var(--space-3) var(--space-8);
  background: rgba(250, 248, 245, 0.85);
  backdrop-filter: blur(var(--blur-sm));
  border-bottom: none;
  transition: all var(--transition-base);
}

nav .container {
  max-width: var(--container-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-body);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: #1a1714;
  text-decoration: none;
  letter-spacing: var(--tracking-wide);
}

/* Mobile top nav — hidden on desktop */
.mobile-top-nav {
  display: none;
}

.nav-story-title {
  display: none;
}

.nav-links {
  display: flex;
  gap: var(--space-10);
  list-style: none;
}

.nav-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: var(--weight-medium);
  transition: color var(--transition-fast);
}

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

.nav-cta {
  display: inline-block;
  min-width: 200px;
  text-align: center;
  padding: 0.6rem var(--space-5);
  background: var(--gradient-primary);
  color: var(--color-white) !important;
  white-space: nowrap;
  border-radius: var(--radius-base);
  font-weight: var(--weight-semibold);
}

.nav-cta:hover {
  opacity: 0.9;
}

/* ==========================================
   Buttons
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-xl);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  text-decoration: none;
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-btn);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-btn-hover);
}

.btn-secondary {
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-light);
  backdrop-filter: blur(var(--blur-sm));
}

.btn-secondary:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
}

/* ==========================================
   Sections
   ========================================== */
section {
  padding: var(--space-4) var(--space-4);
  position: relative;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: var(--container-width);
  margin: 0 auto var(--space-16);
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-display-lg);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
}

/* ==========================================
   Hero Section (base — used by sub-pages)
   ========================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-8) var(--space-4) var(--space-8);
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: var(--gradient-subtle);
  pointer-events: none;
}

.hero-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-16);
  max-width: var(--container-width);
  position: relative;
  z-index: var(--z-above);
}

.hero-inner .hero-content {
  text-align: left;
  max-width: 600px;
}

.hero-inner .hero-buttons {
  justify-content: flex-start;
}

.hero-mockup {
  flex-shrink: 0;
  width: 280px;
  animation: fadeInUp 0.8s ease 0.4s both;
  filter: drop-shadow(0 0 40px rgba(200, 120, 90, 0.1));
}

.hero-mockup img {
  width: 100%;
  height: auto;
}

.hero-content {
  max-width: 100%;
  position: relative;
  z-index: var(--z-above);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-accent-glow);
  border: 1px solid var(--color-accent-border-light);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--color-accent-light);
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.8s ease;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-display-xl);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.8s ease 0.1s both;
}

.hero h1 span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--color-text-secondary);
  max-width: var(--container-width);
  margin: 0 auto var(--space-2);
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.3s both;
}

/* ==========================================
   Hero Carousel (landing page)
   ========================================== */
.hero-carousel {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Carousel slides (background layer) */
.carousel {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.carousel__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel__slide--active {
  opacity: 1;
}

.carousel__slide[data-href] {
  cursor: pointer;
}

.carousel__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel__bg--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f3efe9 0%, #ede8e0 50%, #f3efe9 100%);
  border: 1px dashed rgba(0, 0, 0, 0.1);
}

.carousel__bg--placeholder span {
  font-family: var(--font-body);
  font-size: var(--text-2xl);
  color: rgba(0, 0, 0, 0.15);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
}

.carousel__story-label {
  position: absolute;
  top: var(--space-3);
  left: 6rem;
  right: var(--space-8);
  z-index: 200;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.92);
  letter-spacing: 0;
  text-transform: none;
  text-shadow:
    0 2px 16px rgba(0, 0, 0, 0.8),
    0 1px 4px rgba(0, 0, 0, 0.6),
    0 0 32px rgba(0, 0, 0, 0.4);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.carousel__story-subtitle {
  display: none;
}

/* Multi-layer slide: stacked backgrounds with opacity crossfade */
.carousel__layer {
  opacity: 0;
  transition: opacity 0.8s ease;
}

.carousel__layer--active {
  opacity: 1;
}

/* Layer title overlay — hidden by default so the front H1 is the only
   visible text on scenic (full-screen) slides. Shown only on config
   layers via the :has() override below, where it serves as a caption. */
.carousel__layer-title {
  position: absolute;
  bottom: var(--space-6);
  left: var(--space-8);
  right: var(--space-8);
  z-index: 100;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.8vw, 2.2rem);
  font-weight: 400;
  line-height: 1.25;
  color: #fff;
  text-shadow:
    0 2px 20px rgba(0, 0, 0, 0.85),
    0 2px 5px rgba(0, 0, 0, 0.65),
    0 0 40px rgba(0, 0, 0, 0.45);
  opacity: 0;
  transition: opacity 0.5s ease;
}

/* Dark overlay on carousel for text readability */
.hero-carousel::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(250, 248, 245, 0.3) 0%, rgba(250, 248, 245, 0.15) 30%, rgba(250, 248, 245, 0.3) 60%, rgba(250, 248, 245, 0.85) 100%);
  z-index: 1;
  pointer-events: none;
}

/* Carousel needs z-index so layer titles can sit above the hero overlay */
.carousel {
  z-index: 2;
}

/* Fade-to-black overlay for slide transitions — sits above slides but below
   dots, front text, layer titles, and story label. Toggled by JS in goToSlide. */
.carousel__fade {
  position: absolute;
  inset: 0;
  background: #000;
  opacity: 0;
  pointer-events: none;
  z-index: 50;
  transition: opacity 1s ease;
}

.carousel__fade--active {
  opacity: 1;
}

/* Front text (foreground layer — centered) */
.hero-carousel__front {
  position: absolute;
  bottom: 18%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  text-align: center;
  width: calc(100% - var(--space-12));
  max-width: 900px;
  padding: var(--space-4) var(--space-6);
  transition: opacity 0.4s ease;
}

/* Hide the front H1 when a config-layer (phone UI screenshot) is active,
   so the front text doesn't overlap with the screenshot's content. */
.hero-carousel:has(.carousel__slide--active .carousel__layer--active.carousel__layer--config) .hero-carousel__front {
  opacity: 0;
  pointer-events: none;
}

/* On config layers, reposition the layer title into the empty letterbox
   space on the LEFT of the centered phone screenshot. Switch from white
   text + dark shadow (for photos) to dark text + no shadow (for the
   cream/white letterbox background). */
.hero-carousel:has(.carousel__slide--active .carousel__layer--active.carousel__layer--config) .carousel__layer-title {
  top: 50%;
  bottom: auto;
  left: 6vw;
  right: auto;
  transform: translateY(-50%);
  max-width: 28vw;
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  line-height: 1.3;
  text-align: left;
  color: var(--color-text-secondary);
  text-shadow: none;
  opacity: 1;
}

.hero-carousel__front .hero-badge {
  margin-bottom: var(--space-4);
}

.hero-carousel__front h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: 0;
  margin: 0;
  color: #fff;
  text-wrap: balance;
  text-shadow:
    0 2px 24px rgba(0, 0, 0, 0.85),
    0 2px 6px rgba(0, 0, 0, 0.65),
    0 0 48px rgba(0, 0, 0, 0.45);
  animation: fadeInUp 0.8s ease 0.1s both;
}

.hero-carousel__front h1 em {
  font-style: normal;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.hero-carousel__front h1 span {
  color: #1a1714;
  -webkit-text-fill-color: #1a1714;
}

.hero-carousel__front .hero-buttons {
  animation: fadeInUp 0.8s ease 0.3s both;
}

/* Carousel dots */
.carousel__dots {
  position: absolute;
  bottom: var(--space-5);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: var(--space-4);
}

.carousel__dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.95);
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
  box-shadow:
    0 2px 8px rgba(0, 0, 0, 0.5),
    0 1px 2px rgba(0, 0, 0, 0.3);
}

.carousel__dot:hover {
  background: rgba(255, 255, 255, 0.75);
  transform: scale(1.2);
}

.carousel__dot--active {
  background: var(--color-accent);
  border-color: #fff;
  transform: scale(1.35);
  box-shadow:
    0 2px 12px rgba(0, 0, 0, 0.6),
    0 1px 3px rgba(0, 0, 0, 0.4),
    0 0 0 3px rgba(255, 255, 255, 0.25);
}

/* ==========================================
   Animations
   ========================================== */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================
   Feature Cards
   ========================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-3xl);
  padding: var(--space-8);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent-glow-strong), transparent);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-light);
  background: var(--color-bg-card-hover);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: var(--icon-xl);
  height: var(--icon-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-glow);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-5);
}

.feature-icon svg {
  width: var(--icon-md);
  height: var(--icon-md);
  color: var(--color-accent);
}

.feature-card h3 {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-3);
}

.feature-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* Feature Card Mockups */
.feature-card-mockup {
  height: 160px;
  background: rgba(0, 0, 0, 0.04);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-5);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.feature-card-mockup img {
  max-height: 140px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-slow);
}

.feature-card:hover .feature-card-mockup img {
  transform: scale(1.05);
}

/* Clickable Feature Cards */
a.feature-card-link {
  text-decoration: none;
  display: block;
  cursor: pointer;
}

a.feature-card-link:hover {
  transform: translateY(-6px);
}

a.feature-card-link:hover .learn-more {
  color: var(--color-accent-light);
}

.learn-more {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  font-size: 0.9rem;
  font-weight: var(--weight-semibold);
  color: var(--color-accent);
  transition: color var(--transition-fast);
}

.learn-more::after {
  content: '\2192';
  transition: transform var(--transition-fast);
}

a.feature-card-link:hover .learn-more::after {
  transform: translateX(4px);
}

.feature-card-image {
  width: 100%;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.feature-card-with-image .feature-icon {
  display: none;
}

.store-badges-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
  flex-wrap: wrap;
}

.store-badge-link {
  display: inline-block;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.store-badge-link:hover {
  transform: scale(1.05);
  opacity: 0.9;
}

.store-badge {
  height: 48px;
  width: auto;
}

.web-app-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px 24px;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  text-decoration: none;
}

.coming-soon-badge {
  display: inline-block;
  margin-top: var(--space-4);
  padding: 0.35rem var(--space-3);
  background: var(--color-bg-muted);
  border: 1px solid var(--color-border-muted);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

/* ==========================================
   Philosophy Section
   ========================================== */
.philosophy {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.philosophy-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.philosophy-text h2 {
  font-family: var(--font-display);
  font-size: var(--text-display-md);
  line-height: 1.3;
  margin-bottom: var(--space-6);
}

.philosophy-text h2 em {
  font-style: normal;
  color: var(--color-accent);
}

.philosophy-text p {
  color: var(--color-text-secondary);
  font-size: var(--text-md);
  margin-bottom: var(--space-4);
}

.philosophy-visual {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.belief-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  transition: all var(--transition-base);
}

.belief-item:hover {
  border-color: var(--color-accent-glow-strong);
  background: var(--color-bg-card-hover);
}

.belief-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-glow);
  border-radius: var(--radius-lg);
  flex-shrink: 0;
}

.belief-icon svg {
  width: var(--icon-base);
  height: var(--icon-base);
  color: var(--color-accent);
}

.belief-item span {
  font-weight: var(--weight-medium);
}

/* ==========================================
   Audience Cards
   ========================================== */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-8);
}

.audience-card {
  background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-card-alt) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-4xl);
  padding: var(--space-10);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-slow);
}

.audience-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.audience-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-light);
}

.audience-card:hover::after {
  opacity: 1;
}

.audience-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
}

.audience-card p {
  color: var(--color-text-secondary);
  position: relative;
  z-index: var(--z-above);
}

/* ==========================================
   Founding Section
   ========================================== */
.founding {
  background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
}

.founding-highlight {
  background: var(--gradient-highlight);
  border: 1px solid var(--color-accent-border);
  border-radius: var(--radius-4xl);
  padding: var(--space-4);
  text-align: center;
  margin-bottom: var(--space-4);
}

.founding-highlight h2 {
  font-family: var(--font-display);
  font-size: var(--text-display-sm);
  margin-bottom: var(--space-2);
}

.founding-highlight p {
  color: var(--color-text-secondary);
  max-width: var(--container-width);
  margin: 0 auto;
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.benefit-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: 1.75rem;
}

.benefit-card h4 {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.benefit-card h4 svg {
  width: var(--icon-base);
  height: var(--icon-base);
  color: var(--color-accent);
}

.benefit-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* ==========================================
   Scroll Hint
   ========================================== */
.scroll-hint {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wider);
  animation: float 2.5s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ==========================================
   Use Case Heroes
   ========================================== */
.use-case {
  padding: var(--space-20) var(--space-8);
  position: relative;
  overflow: hidden;
}

.use-case__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.use-case--reversed .use-case__content {
  order: 2;
}

.use-case--reversed .use-case__video {
  order: 1;
}

.use-case__label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  color: var(--color-accent);
  margin-bottom: var(--space-4);
  font-variant-numeric: tabular-nums;
}

.use-case__content h2 {
  font-family: var(--font-display);
  font-size: var(--text-display-md);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
}

.use-case__content p {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 480px;
}

/* Video Placeholder */
.video-placeholder {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-3xl);
  background: linear-gradient(145deg, rgba(243, 239, 233, 0.8) 0%, rgba(250, 248, 245, 0.5) 100%);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition-base);
}

.video-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 40%, rgba(200, 120, 90, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.video-placeholder:hover {
  border-color: var(--color-border-hover);
}

.video-placeholder__icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(200, 120, 90, 0.12);
  border: 1px solid rgba(200, 120, 90, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-light);
  transition: all var(--transition-base);
  position: relative;
  z-index: var(--z-above);
}

.video-placeholder__icon svg {
  margin-left: 3px;
}

.video-placeholder:hover .video-placeholder__icon {
  background: rgba(200, 120, 90, 0.2);
  transform: scale(1.08);
  box-shadow: 0 0 30px rgba(200, 120, 90, 0.15);
}

/* Ambient glow on alternating sections */
.use-case:nth-child(odd)::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -150px;
  transform: translateY(-50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(200, 120, 90, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.use-case:nth-child(even)::after {
  content: '';
  position: absolute;
  top: 50%;
  left: -150px;
  transform: translateY(-50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(184, 150, 90, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

/* ==========================================
   Social Proof Strip
   ========================================== */
.social-proof {
  padding: var(--space-12) var(--space-8);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

.social-proof__inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-12);
}

.social-proof__item {
  text-align: center;
}

.social-proof__number {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-display-md);
  font-weight: var(--weight-bold);
  color: var(--color-accent-light);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.social-proof__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

.social-proof__divider {
  width: 1px;
  height: 48px;
  background: var(--color-border-light);
}

/* ==========================================
   Feature Sections (1 per hero slide)
   ========================================== */
.feature-section {
  padding: var(--space-16) var(--space-8);
}

.feature-section--alt {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.feature-section__body {
  max-width: 800px;
  margin: 0 auto;
}

.feature-section__body > p {
  font-size: var(--text-xl);
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-10);
  text-align: center;
}

.feature-section__details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}

.feature-detail h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.feature-detail p {
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text-secondary);
}

/* ==========================================
   How It Works
   ========================================== */
.how-it-works {
  padding: var(--space-20) var(--space-8);
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  max-width: 1100px;
  margin: 0 auto;
}

.step-card {
  text-align: center;
  padding: var(--space-8);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent-glow);
  border: 1px solid var(--color-accent-border-light);
  color: var(--color-accent-light);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-5);
}

.step-card h3 {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
}

.step-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: var(--leading-relaxed);
}

/* ==========================================
   FAQ Section
   ========================================== */
.faq-section {
  padding: var(--space-20) var(--space-8);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  max-width: 1100px;
  margin: 0 auto;
}

.faq-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  transition: border-color var(--transition-base);
}

.faq-card:hover {
  border-color: var(--color-border-light);
}

.faq-card h3 {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
}

.faq-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: var(--leading-relaxed);
}

/* ==========================================
   CTA Enhancements
   ========================================== */
.cta-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.cta-subtext {
  font-size: var(--text-sm) !important;
  color: var(--color-text-muted) !important;
  margin-bottom: 0 !important;
}

/* High-contrast cta-subtext for dark hero backgrounds (wedding + events) */
.wedding-hero .cta-subtext,
.events-hero .cta-subtext {
  color: rgba(255, 255, 255, 0.95) !important;
  font-weight: 500;
  text-shadow:
    0 1px 8px rgba(0, 0, 0, 0.6),
    0 1px 3px rgba(0, 0, 0, 0.4);
}

/* ==========================================
   Enhanced Footer
   ========================================== */
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border);
}

.footer-tagline {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: var(--space-2);
}

.footer-links {
  display: flex;
  gap: var(--space-6);
}

.footer-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

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

/* ==========================================
   Scroll Animations
   ========================================== */
[data-animate] {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

[data-animate].animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================
   CTA Section
   ========================================== */
.cta-section {
  text-align: center;
  padding: var(--space-32) var(--space-8);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: var(--glow-size);
  height: 400px;
  background: radial-gradient(ellipse, var(--color-accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: var(--z-above);
}

.cta-section h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: var(--space-4);
}

.cta-section p {
  color: var(--color-text-secondary);
  font-size: 1.15rem;
  margin-bottom: var(--space-8);
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================
   Footer
   ========================================== */
footer {
  padding: var(--space-12) var(--space-8);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer-content {
  max-width: var(--container-width);
  margin: 0 auto;
}

.footer-logo {
  margin-bottom: var(--space-4);
}

.footer-mascot {
  height: 48px;
  width: auto;
}

.footer-text {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ==========================================
   Article Page Styles
   ========================================== */
.article {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-8) var(--space-8) var(--space-16);
}

.article-section {
  margin-bottom: var(--space-10);
}

.article-section:last-child {
  margin-bottom: 0;
}

.article h2 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
}

.article p {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
  line-height: var(--leading-prose);
}

.article p:last-child {
  margin-bottom: 0;
}

.article strong {
  color: var(--color-text-primary);
  font-weight: var(--weight-semibold);
}

.article em {
  color: var(--color-accent-light);
  font-style: normal;
}

.article ul {
  list-style: disc;
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
  color: var(--color-text-secondary);
}

.article li {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-2);
}

.article a {
  color: var(--color-accent-light);
  text-decoration: none;
  border-bottom: 1px solid var(--color-accent-link-border);
  transition: border-color var(--transition-fast);
}

.article a:hover {
  border-color: var(--color-accent-light);
}

/* Product Feature Grid in Articles */
.product-features {
  margin: var(--space-6) 0;
}

.product-features .feature-card {
  padding: var(--space-6);
}

.product-features .feature-card h3 {
  font-size: var(--text-lg);
}

.product-features .feature-card p {
  font-size: 0.9rem;
}

/* Highlight Box */
.highlight-box {
  background: none;
  border: none;
  border-radius: 0;
  padding: var(--space-6);
  margin: var(--space-6) 0;
}

.highlight-box p {
  font-size: 1.15rem;
  color: var(--color-text-primary);
  margin: 0;
  font-weight: var(--weight-medium);
}

/* Warning Cards */
.warning-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-3);
  margin: var(--space-6) 0;
}

.warning-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  text-align: center;
}

.warning-card .icon {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-2);
}

.warning-card span {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* Promise List */
.promise-list {
  list-style: none;
  margin: var(--space-6) 0;
}

.promise-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}

.promise-list li:last-child {
  border-bottom: none;
}

.promise-list .check {
  width: var(--icon-md);
  height: var(--icon-md);
  background: var(--color-accent-glow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.promise-list .check svg {
  width: var(--icon-sm);
  height: var(--icon-sm);
  color: var(--color-accent);
}

.promise-list span {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
}

/* Back Link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: var(--space-4);
  transition: color var(--transition-fast);
}

.back-link:hover {
  color: var(--color-text-primary);
}

/* Article Hero */
.hero.article-hero {
  min-height: auto;
  padding: var(--space-20) var(--space-8) var(--space-4);
}

.hero.article-hero::before {
  display: none;
}

.hero.article-hero .hero-content {
  max-width: 100%;
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  max-width: 100%;
  margin: 0 auto;
}

/* ==========================================
   Mobile Header + Hamburger Menu — hidden on desktop
   ========================================== */
.mobile-header {
  display: none;
}

.mobile-menu-overlay {
  display: none;
}

.help-toc-fab {
  display: none;
}

.help-toc-sheet {
  display: none;
}

.help-toc-backdrop {
  display: none;
}

/* ==========================================
   Responsive Styles
   ========================================== */
@media (max-width: 900px) {
  .hero-inner {
    flex-direction: column-reverse;
    text-align: center;
  }

  .hero-inner .hero-content {
    text-align: center;
    max-width: 100%;
  }

  .hero-inner .hero-buttons {
    justify-content: center;
  }

  .hero-mockup {
    width: 220px;
  }

  .philosophy-content {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

  .use-case__inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .use-case--reversed .use-case__content,
  .use-case--reversed .use-case__video {
    order: unset;
  }

  .use-case__content p {
    max-width: 100%;
  }

  .social-proof__inner {
    flex-direction: column;
    gap: var(--space-6);
  }

  .social-proof__divider {
    width: 60px;
    height: 1px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

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

  .footer-top {
    flex-direction: column;
    gap: var(--space-6);
  }

  .footer-links {
    flex-wrap: wrap;
    gap: var(--space-4);
  }

  .nav-links {
    display: none;
  }

  /* Hide nav bar on mobile — Kizu logo + links are in mobile-top-nav instead */
  nav {
    display: none;
  }

  .carousel {
    order: 0;
  }

  .hero-carousel__front {
    order: 2;
  }

  .carousel__dots {
    order: 3;
  }

  /* Hide story labels on slides (shown in nav instead) */
  .carousel__story-label {
    display: none;
  }

  /* Mobile top nav bar */
  .mobile-top-nav {
    display: none;
    order: -1;
    gap: var(--space-3);
    padding: 8px var(--space-4) 6px;
    margin: 0;
    line-height: 1.2;
    background: var(--color-bg-primary);
    z-index: 3;
    align-items: center;
  }

  .mobile-top-nav__logo {
    font-family: var(--font-body);
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
    color: #1a1714 !important;
    text-decoration: none;
    margin-right: var(--space-2);
  }

  .mobile-top-nav a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    transition: color var(--transition-fast);
    line-height: 1;
    padding: 0;
    margin: 0;
  }

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

  .mobile-top-nav__cta {
    margin-left: auto;
    padding: 2px var(--space-2);
    background: var(--gradient-primary);
    font-size: var(--text-xs) !important;
    color: var(--color-white) !important;
    border-radius: var(--radius-base);
    font-weight: var(--weight-semibold);
  }

  /* Show story title in nav on mobile */
  .nav-story-title {
    display: block;
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: var(--weight-regular);
    color: rgba(26, 23, 20, 0.6);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    min-width: 0;
  }

  /* Hide decorative glows on mobile — they extend past viewport and cause overflow */
  .bg-glow {
    display: none;
  }

  /* Edge-to-edge sections on mobile — zero side padding */
  section {
    overflow: hidden;
    padding-left: 0 !important;
    padding-right: 0 !important;
  }

  /* Content inside sections gets its own padding */
  .container,
  .section-header {
    max-width: 100%;
    width: 100%;
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  /* Carousel: edge-to-edge, don't crop videos on portrait screens */
  .hero-carousel {
    min-height: auto;
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: 0 !important;
    gap: 0;
  }

  /* Remove the full-page overlay; the carousel container handles its own gradient */
  .hero-carousel::before {
    display: none;
  }

  .carousel {
    position: relative;
    inset: auto;
    width: 100%;
    height: 60vh;
    min-height: 360px;
  }

  /* Subtle bottom fade on the video area only */
  .carousel::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(to bottom, transparent, var(--color-bg-primary));
    z-index: 1;
    pointer-events: none;
  }

  .carousel__bg {
    object-fit: cover;
    background: var(--color-bg-primary);
  }

  .carousel__bg--placeholder {
    object-fit: initial;
  }

  .hero-carousel__front {
    position: relative;
    bottom: auto;
    left: auto;
    transform: none;
    max-width: 100%;
    width: 100%;
    padding: var(--space-3) var(--space-3) var(--space-4);
    background: var(--color-bg-primary);
    animation: none;
    order: 10;
  }

  .carousel__dots {
    position: relative;
    bottom: auto;
    left: auto;
    transform: none;
    justify-content: center;
    padding: var(--space-3) 0;
    margin-top: calc(-1 * var(--space-6));
    z-index: 3;
    order: 5;
  }

  .carousel__story-label {
    top: var(--space-2);
    left: 4.5rem;
    right: var(--space-4);
    font-size: var(--text-xs);
  }

  .carousel__layer-title {
    bottom: var(--space-8);
    left: var(--space-4);
    right: var(--space-4);
    font-size: var(--text-base);
  }

  /* ---- Mobile Header ---- */
  .mobile-header {
    display: flex;
    align-items: center;
    padding: 10px var(--space-4);
    background: var(--color-bg-primary);
    z-index: var(--z-nav);
    position: relative;
  }

  .mobile-header__logo {
    font-family: var(--font-body);
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
    color: #1a1714;
    text-decoration: none;
  }

  .mobile-header__spacer {
    flex: 1;
  }

  .mobile-header__cta {
    padding: 4px var(--space-3);
    background: var(--gradient-primary);
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    color: var(--color-white);
    text-decoration: none;
    border-radius: var(--radius-base);
    margin-right: var(--space-3);
  }

  .mobile-header__hamburger {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    display: flex;
    flex-direction: column;
    gap: 5px;
  }

  .mobile-header__hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 1px;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
  }

  /* ---- Menu Overlay ---- */
  .mobile-menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(250, 248, 245, 0.98);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    z-index: 200;
    flex-direction: column;
    padding: 0;
    opacity: 0;
    transition: opacity var(--transition-base);
  }

  .mobile-menu-overlay--open {
    display: flex;
    opacity: 1;
  }

  .mobile-menu-overlay__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px var(--space-4);
    border-bottom: 1px solid var(--color-border);
  }

  .mobile-menu-overlay__logo {
    font-family: var(--font-body);
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
    color: #1a1714;
    text-decoration: none;
  }

  .mobile-menu-overlay__close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--color-text-secondary);
    font-size: 24px;
    line-height: 1;
  }

  .mobile-menu-overlay__links {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: var(--space-8) var(--space-6);
    gap: var(--space-2);
  }

  .mobile-menu-overlay__links a {
    font-family: var(--font-body);
    font-size: var(--text-xl);
    font-weight: var(--weight-medium);
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: var(--space-3) 0;
    transition: color var(--transition-fast);
  }

  .mobile-menu-overlay__links a:hover,
  .mobile-menu-overlay__links a.--active {
    color: var(--color-accent);
  }

  .mobile-menu-overlay__help-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: var(--text-xl);
    font-weight: var(--weight-medium);
    color: var(--color-text-secondary);
    padding: var(--space-3) 0;
    transition: color var(--transition-fast);
  }

  .mobile-menu-overlay__help-toggle:hover,
  .mobile-menu-overlay__help-toggle.--active {
    color: var(--color-accent);
  }

  .mobile-menu-overlay__help-toggle svg {
    transition: transform var(--transition-fast);
  }

  .mobile-menu-overlay__help-toggle.--expanded svg {
    transform: rotate(90deg);
  }

  .mobile-menu-overlay__help-items {
    display: none;
    flex-direction: column;
    padding-left: var(--space-4);
    gap: 0;
  }

  .mobile-menu-overlay__help-items.--open {
    display: flex;
  }

  .mobile-menu-overlay__help-items a {
    font-size: var(--text-base);
    padding: var(--space-2) 0;
    color: var(--color-text-muted);
  }

  .mobile-menu-overlay__help-items a:hover,
  .mobile-menu-overlay__help-items a.--active {
    color: var(--color-accent);
  }

  .mobile-menu-overlay__cta-wrap {
    padding: var(--space-6);
    border-top: 1px solid var(--color-border);
  }

  .mobile-menu-overlay__cta {
    display: block;
    text-align: center;
    padding: var(--space-4);
    background: var(--gradient-primary);
    color: var(--color-white);
    text-decoration: none;
    border-radius: var(--radius-base);
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
  }

  /* ---- Help TOC ---- */
  .help-toc-fab {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-4);
    padding: var(--space-3) var(--space-4);
    background: var(--gradient-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    cursor: pointer;
    z-index: 50;
    box-shadow: 0 4px 20px rgba(200, 120, 90, 0.3);
  }

  .help-toc-fab svg {
    width: 16px;
    height: 16px;
  }

  .help-toc-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 60;
  }

  .help-toc-backdrop--open {
    display: block;
  }

  .help-toc-sheet {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-height: 70vh;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    z-index: 70;
    flex-direction: column;
    overflow: hidden;
    transform: translateY(100%);
    transition: transform var(--transition-base);
  }

  .help-toc-sheet--open {
    display: flex;
    transform: translateY(0);
  }

  .help-toc-sheet__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border);
  }

  .help-toc-sheet__header h3 {
    font-family: var(--font-body);
    font-size: var(--text-lg);
    font-weight: var(--weight-semibold);
    color: var(--color-text-primary);
    margin: 0;
  }

  .help-toc-sheet__close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    color: var(--color-text-secondary);
    font-size: 20px;
    line-height: 1;
  }

  .help-toc-sheet__list {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-3) 0;
  }

  .help-toc-sheet__list a {
    display: flex;
    align-items: center;
    padding: var(--space-3) var(--space-5);
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--weight-medium);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast), background var(--transition-fast);
    min-height: 44px;
  }

  .help-toc-sheet__list a:hover {
    background: rgba(0, 0, 0, 0.03);
    color: var(--color-text-primary);
  }

  .help-toc-sheet__list a.--active {
    color: var(--color-accent);
    border-left: 3px solid var(--color-accent);
    padding-left: calc(var(--space-5) - 3px);
  }

  /* ---- Sub-page hero padding fix ---- */
  .hero.article-hero {
    padding: var(--space-2) 0 0;
  }

  .hero.article-hero .hero-content {
    padding: 0;
  }

  .hero.article-hero h1 {
    font-size: clamp(1.4rem, 5vw, 2rem);
    margin-bottom: var(--space-1);
  }

  .hero-subtitle {
    font-size: var(--text-sm);
    margin-bottom: 0;
  }

  .section-label {
    margin-bottom: var(--space-1);
    font-size: var(--text-xs);
  }

  /* ---- Compact article spacing ---- */
  .article {
    padding: 0 var(--space-3) var(--space-3);
  }

  .article-section {
    margin-bottom: var(--space-2);
  }

  .article h2 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-1);
  }

  .article p {
    font-size: var(--text-sm);
    margin-bottom: var(--space-1);
  }

  .highlight-box {
    padding: var(--space-2) var(--space-3);
    margin: var(--space-1) 0;
  }

  .highlight-box h2 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-1);
  }

  .highlight-box p {
    font-size: var(--text-sm);
  }

  .promise-list {
    margin: var(--space-2) 0;
  }

  .promise-list li {
    padding: var(--space-1) 0;
  }

  .promise-list span {
    font-size: var(--text-sm);
  }

  /* ---- Compact CTA section ---- */
  .cta-section {
    padding: var(--space-6) var(--space-3);
  }

  .cta-section h2 {
    font-size: clamp(1.3rem, 4vw, 1.8rem);
    margin-bottom: var(--space-2);
  }

  .cta-section p {
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
  }

  /* ---- Hide desktop CTA float on mobile ---- */
  .desktop-cta-float {
    display: none;
  }
}

@media (max-width: 600px) {
  nav {
    padding: var(--space-4) var(--space-6);
  }

  .hero-carousel,
  .hero-carousel__front,
  .carousel {
    max-width: 100%;
    width: 100%;
  }

  .carousel {
    height: 56vh;
    min-height: 320px;
  }

  .hero-carousel__front {
    padding: var(--space-4) var(--space-5) var(--space-6);
  }

  .hero-carousel__front h1 {
    font-size: clamp(1.5rem, 6vw, 2rem);
    margin-bottom: var(--space-2);
  }

  .social-proof {
    padding: var(--space-8) var(--space-4);
  }

  .social-proof__number {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    color: var(--color-accent);
  }

  .social-proof__label {
    color: var(--color-text-secondary);
    font-size: var(--text-xs);
  }

  .social-proof__inner {
    gap: var(--space-5);
  }

  .feature-section {
    padding: var(--space-10) var(--space-4);
  }

  .feature-section__body > p {
    font-size: var(--text-base);
    text-align: left;
  }

  .feature-section__details {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .hero {
    padding: var(--space-4) var(--space-4) var(--space-16);
  }

  .hero.article-hero {
    padding: var(--space-4) var(--space-4) var(--space-4);
  }

  section {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
  }

  .feature-card,
  .audience-card {
    padding: var(--space-4);
  }

  .hero-mockup {
    width: 180px;
  }

  .feature-card-mockup {
    height: 120px;
  }

  .feature-card-mockup img {
    max-height: 100px;
  }

  .founding-highlight {
    padding: var(--space-8) var(--space-6);
  }

  .use-case {
    padding: var(--space-12) var(--space-6);
  }

  .scroll-hint {
    bottom: var(--space-6);
  }

  .article {
    padding: 0 var(--space-2) var(--space-3);
  }

  .hero.article-hero {
    padding: var(--space-1) 0 0;
  }

  .cta-section {
    padding: var(--space-6) var(--space-4);
  }

  section {
    padding-top: var(--space-6);
    padding-bottom: var(--space-6);
  }

  .article-section {
    margin-bottom: var(--space-1);
  }

  .highlight-box {
    padding: var(--space-2);
  }
}

/* ==========================================
   Early Adopter Form
   ========================================== */
.form-section {
  padding: 0 var(--space-8) var(--space-24);
}

.early-adopter-form {
  max-width: var(--container-width);
  margin: 0 auto;
}

.form-group-section {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-3xl);
  padding: var(--space-8);
  margin-bottom: var(--space-6);
}

.form-group-section h3 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-2);
  color: var(--color-text-primary);
}

.form-hint {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-group {
  margin-bottom: var(--space-4);
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.form-group .required {
  color: var(--color-error);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
  width: 100%;
  padding: 0.875rem var(--space-4);
  background: var(--color-bg-input);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  transition: all var(--transition-fast);
}

.form-group input[type="text"]::placeholder,
.form-group input[type="email"]::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: var(--color-bg-input-focus);
  box-shadow: var(--shadow-focus);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* Checkbox Styles */
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.checkbox-item {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding: var(--space-4) var(--space-5);
  background: var(--color-bg-checkbox);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.checkbox-item:hover {
  background: var(--color-bg-checkbox-hover);
  border-color: var(--color-border-light);
}

.checkbox-item input[type="checkbox"] {
  display: none;
}

.checkbox-custom {
  width: 22px;
  height: 22px;
  min-width: 22px;
  border: 2px solid var(--color-border-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  margin-top: 2px;
}

.checkbox-custom::after {
  content: '';
  width: 12px;
  height: 12px;
  background: var(--color-accent);
  border-radius: 3px;
  transform: scale(0);
  transition: transform var(--transition-fast);
}

.checkbox-item input[type="checkbox"]:checked + .checkbox-custom {
  border-color: var(--color-accent);
  background: var(--color-accent-glow);
}

.checkbox-item input[type="checkbox"]:checked + .checkbox-custom::after {
  transform: scale(1);
}

.checkbox-item input[type="checkbox"]:checked ~ .checkbox-label strong {
  color: var(--color-accent-light);
}

.checkbox-label {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.checkbox-label strong {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}

/* Product links in checkbox labels */
.product-link {
  color: var(--color-text-primary);
  text-decoration: none;
  border-bottom: 1px dashed var(--color-accent);
  transition: all var(--transition-fast);
}

.product-link:hover {
  color: var(--color-accent-light);
  border-bottom-style: solid;
}

.checkbox-label span {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
}

/* Other input field */
.other-input {
  margin-top: var(--space-4);
  display: none;
}

.other-input.visible {
  display: block;
}

/* Form Submit */
.form-submit {
  text-align: center;
  padding-top: var(--space-4);
}

.form-submit .btn {
  padding: 1.125rem var(--space-10);
  font-size: var(--text-md);
}

.form-disclaimer {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* Form Messages */
.form-message {
  max-width: 500px;
  margin: 0 auto;
  padding: var(--space-12) var(--space-8);
  text-align: center;
  border-radius: var(--radius-3xl);
}

.form-message-success {
  background: var(--gradient-success);
  border: 1px solid var(--color-success-border);
}

.form-message-error {
  background: var(--gradient-error);
  border: 1px solid var(--color-error-border);
}

.form-message .message-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.form-message-success .message-icon {
  background: var(--color-success-icon);
}

.form-message-success .message-icon svg {
  width: var(--icon-lg);
  height: var(--icon-lg);
  color: var(--color-success);
}

.form-message-error .message-icon {
  background: var(--color-error-icon);
}

.form-message-error .message-icon svg {
  width: var(--icon-lg);
  height: var(--icon-lg);
  color: var(--color-error);
}

.form-message h3 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
}

.form-message p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  line-height: var(--leading-relaxed);
}

.form-message .btn {
  margin-top: var(--space-2);
}

/* Responsive Form Styles */
@media (max-width: 600px) {
  .form-section {
    padding: 0 var(--space-6) var(--space-16);
  }

  .form-group-section {
    padding: var(--space-6);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .checkbox-item {
    padding: 0.875rem var(--space-4);
  }

  .checkbox-label strong {
    font-size: 0.95rem;
  }

  .checkbox-label span {
    font-size: 0.8rem;
  }
}