/* ==========================================================================
   HOME PAGE SCROLL STORY STYLES
   ========================================================================== */

/* 1. HERO SECTION */
.hero-section {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--nav-height);
  padding-bottom: 60px;
}

.hero-video-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0.38;
  filter: contrast(110%) brightness(85%);
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  background: radial-gradient(circle at center, rgba(11, 11, 12, 0.4) 0%, rgba(11, 11, 12, 0.95) 100%),
              linear-gradient(to bottom, transparent 60%, var(--color-ink) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 1040px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  will-change: transform, opacity;
}

.hero-headline {
  font-size: clamp(3rem, 7.5vw, 6.25rem);
  line-height: 1.02;
  font-weight: 400;
  color: var(--color-ivory);
  letter-spacing: -0.025em;
  margin: 0;
}

.hero-headline em {
  font-style: italic;
  color: var(--color-gold);
}

.hero-subheadline {
  max-width: 680px;
  font-size: clamp(1.125rem, 1.6vw, 1.35rem);
  color: var(--color-muted);
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 8px;
}

/* 2. STATEMENT SECTION (Scroll Word-Fill) */
.statement-section {
  padding-top: clamp(100px, 14vw, 200px);
  padding-bottom: clamp(100px, 14vw, 200px);
  background-color: var(--color-ink);
}

.statement-box {
  max-width: 1100px;
  margin: 0 auto;
}

.statement-lead {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.8vw, 4.4rem);
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: #38373b; /* Initial fill base */
}

.statement-lead .word {
  display: inline-block;
  color: #3a393e;
  transition: color 0.15s ease;
  will-change: color;
  margin-right: 0.22em;
}

.statement-lead .word.active {
  color: var(--color-ivory);
}

.statement-lead .word.gold {
  color: var(--color-gold);
}

/* 3. PROOF STRIP (Animated Stat Counters) */
.proof-strip-section {
  padding-top: 40px;
  padding-bottom: clamp(80px, 10vw, 140px);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: clamp(40px, 6vw, 70px) 0;
}

.stat-item {
  display: flex;
  flex-direction: column;
  position: relative;
  padding-left: 24px;
  border-left: 1px solid var(--color-border);
}

.stat-item:first-child {
  border-left: none;
  padding-left: 0;
}

.stat-number-wrap {
  display: flex;
  align-items: baseline;
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 6.5vw, 5.5rem);
  line-height: 1;
  color: var(--color-ivory);
  margin-bottom: 12px;
}

.stat-suffix, .stat-prefix {
  color: var(--color-gold);
  font-family: var(--font-display);
}

.stat-label {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-ivory);
  margin-bottom: 8px;
}

.stat-desc {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .stat-item {
    border-left: none;
    padding-left: 0;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 32px;
  }
  .stat-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }
}

/* 4. SERVICES (Sticky Stacking Cards) */
.services-section {
  padding-bottom: clamp(100px, 12vw, 180px);
}

.services-stack {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-top: clamp(40px, 6vw, 70px);
}

.service-card {
  position: sticky;
  top: 120px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(32px, 5vw, 64px);
  box-shadow: 0 -20px 40px rgba(0, 0, 0, 0.4);
  transition: transform 0.3s ease, border-color 0.3s ease;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.service-card:hover {
  border-color: var(--color-border-gold);
}

.service-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.service-card-num {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  color: var(--color-gold);
  line-height: 1;
}

.service-card-body {
  max-width: 720px;
}

.service-card-title {
  font-size: clamp(1.8rem, 3.2vw, 2.75rem);
  color: var(--color-ivory);
  margin-bottom: 12px;
}

.service-card-tagline {
  font-size: 1.125rem;
  color: var(--color-gold);
  font-weight: 500;
  margin-bottom: 16px;
}

.service-card-desc {
  font-size: 1.0625rem;
  color: var(--color-muted);
  line-height: 1.65;
  margin-bottom: 28px;
}

.service-deliverables {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.service-deliverable-item {
  font-size: 0.8125rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  color: var(--color-ivory);
}

/* 5. CENTREPIECE PINNED VIDEO WINDOW */
.centrepiece-pinned-container {
  position: relative;
  width: 100%;
}

.centrepiece-sticky {
  position: relative;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--color-ink);
}

.centrepiece-media-frame {
  position: relative;
  width: 70vw;
  height: 70vh;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8);
  will-change: width, height, border-radius;
}

.centrepiece-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.centrepiece-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(11, 11, 12, 0.9) 0%, rgba(11, 11, 12, 0.2) 60%, rgba(11, 11, 12, 0.6) 100%);
  pointer-events: none;
}

.centrepiece-chapters {
  position: absolute;
  bottom: clamp(32px, 6vw, 64px);
  left: clamp(24px, 5vw, 64px);
  right: clamp(24px, 5vw, 64px);
  z-index: 5;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
}

.centrepiece-chapter-active {
  max-width: 600px;
}

.chapter-step-badge {
  display: inline-flex;
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--color-gold);
  font-weight: 600;
  margin-bottom: 8px;
}

.chapter-title {
  font-size: clamp(1.8rem, 3.2vw, 2.75rem);
  color: var(--color-ivory);
  margin-bottom: 8px;
}

.chapter-summary {
  font-size: 1.0625rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.chapter-pills-nav {
  display: flex;
  gap: 8px;
}

.chapter-pill {
  width: 36px;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.chapter-pill.active {
  background: var(--color-gold);
  width: 56px;
}

/* 6. SELECTED WORK (Horizontal Scroll Section) */
.selected-work-section {
  position: relative;
  overflow: hidden;
  background-color: var(--color-ink);
}

.horizontal-scroll-wrap {
  display: flex;
  align-items: center;
  height: 100vh;
  height: 100dvh;
  will-change: transform;
}

.horizontal-track {
  display: flex;
  gap: clamp(24px, 4vw, 48px);
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.work-slide-intro {
  flex: 0 0 clamp(320px, 30vw, 420px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.case-card {
  flex: 0 0 clamp(340px, 38vw, 540px);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.case-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-border-gold);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.case-card-thumb-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: #1a1a1c;
}

.case-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-smooth);
}

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

.case-card-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(11, 11, 12, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-gold);
  text-transform: uppercase;
}

.case-card-content {
  padding: clamp(20px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.case-card-metric {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  color: var(--color-gold);
  line-height: 1;
}

.case-card-metric-label {
  font-size: 0.8125rem;
  color: var(--color-muted);
  font-weight: 500;
  letter-spacing: 0.03em;
}

.case-card-title {
  font-size: 1.5rem;
  color: var(--color-ivory);
  margin-top: 4px;
}

.case-card-desc {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.case-card-link-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-gold);
  margin-top: 8px;
}

/* 7. BRAND MARQUEE (Infinite Ticker) */
.marquee-section {
  padding-top: clamp(60px, 8vw, 100px);
  padding-bottom: clamp(60px, 8vw, 100px);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
  background: var(--color-ink);
}

.marquee-header {
  text-align: center;
  margin-bottom: 32px;
}

.marquee-track-wrap {
  position: relative;
  display: flex;
  width: 100%;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}

.marquee-content {
  display: flex;
  gap: 48px;
  animation: marqueeScroll 32s linear infinite;
  white-space: nowrap;
  flex-shrink: 0;
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  color: var(--color-muted);
  letter-spacing: 0.02em;
}

.marquee-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-gold);
}

@keyframes marqueeScroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* 8. PROCESS SECTION (Line-Draw Animation) */
.process-section {
  padding-top: clamp(80px, 12vw, 160px);
  padding-bottom: clamp(80px, 12vw, 160px);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: clamp(48px, 6vw, 80px);
  position: relative;
}

.process-grid::before {
  content: "";
  position: absolute;
  top: 36px;
  left: 30px;
  right: 30px;
  height: 1px;
  background: var(--color-border);
  z-index: 1;
}

.process-step {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
}

.process-step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-ink);
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.875rem;
  margin-bottom: 24px;
  transition: transform 0.3s ease, background 0.3s ease;
}

.process-step:hover .process-step-num {
  background: var(--color-gold);
  color: var(--color-ink);
  transform: scale(1.1);
}

.process-step-title {
  font-size: 1.35rem;
  color: var(--color-ivory);
  margin-bottom: 12px;
}

.process-step-desc {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.6;
}

@media (max-width: 900px) {
  .process-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .process-grid::before {
    top: 0;
    bottom: 0;
    left: 22px;
    width: 1px;
    height: 100%;
  }
}

/* 9. TESTIMONIALS (Marked Placeholders) */
.testimonials-section {
  padding-top: clamp(80px, 12vw, 160px);
  padding-bottom: clamp(80px, 12vw, 160px);
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: clamp(48px, 6vw, 80px);
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 40px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
  transition: border-color 0.3s ease;
}

.testimonial-card:hover {
  border-color: var(--color-border-gold);
}

.testimonial-quote {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 1.8vw, 1.45rem);
  line-height: 1.45;
  color: var(--color-ivory);
}

.testimonial-author-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

.testimonial-author-name {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-ivory);
}

.testimonial-author-role {
  font-size: 0.8125rem;
  color: var(--color-muted);
}

.placeholder-pill {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  background: rgba(201, 166, 107, 0.15);
  color: var(--color-gold);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-left: 6px;
}

@media (max-width: 860px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}