/* =========================================================
   C2B PARTNERS — styles.css
   Aligned with c2b.team design system
   Silicon Valley / Unicorn / Performance
   ========================================================= */

:root {
  --bg-0: #0A0A0A;
  --bg-1: #111111;
  --bg-2: #1A1A1A;
  --bg-light: #F5F5F7;
  --bg-light-2: #FFFFFF;

  --fg-0: #FFFFFF;
  --fg-1: #E8E8EA;
  --fg-2: #9A9AA0;
  --fg-3: #5A5A60;

  --fg-dark-0: #0A0A0A;
  --fg-dark-1: #2A2A2E;
  --fg-dark-2: #6A6A70;

  --accent: #00D4FF;
  --accent-hot: #FF3B30;
  --accent-warm: #FFC72C;
  --accent-cool: #9D6BFF;

  --line: rgba(255,255,255,0.08);
  --line-dark: rgba(0,0,0,0.08);

  --font-sans: 'Inter', system-ui, -apple-system, 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
  --font-serif: 'Instrument Serif', 'Times New Roman', Georgia, serif;

  --container: 1240px;
  --radius: 4px;
  --radius-lg: 12px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg-0);
  color: var(--fg-0);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 200;
  opacity: 0.06;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' seed='5'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 1 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

.serif-italic {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
}

a { color: inherit; text-decoration: none; }
img, svg, video { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  width: 100%;
}

/* ── NAV ──────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  background: rgba(10, 10, 10, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav-logo {
  font-weight: 900;
  font-size: 20px;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-c2b { color: var(--fg-0); }
.logo-team { color: var(--accent); font-weight: 500; }
.nav-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 999px;
  padding: 4px 10px;
  background: rgba(0, 212, 255, 0.06);
}
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-2);
  transition: color 0.2s var(--ease);
}
.nav-links a:hover { color: var(--fg-0); }
.nav-cta { font-size: 13px !important; padding: 10px 18px !important; }

/* ── BUTTONS ──────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all 0.2s var(--ease);
  cursor: pointer;
  border: none;
  font-family: inherit;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #000;
}
.btn-primary:hover {
  background: #33DEFF;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0, 212, 255, 0.25);
}
.btn-ghost {
  background: transparent;
  color: var(--fg-0);
  border: 1px solid rgba(255,255,255,0.2);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.4);
}
.btn-lg { padding: 18px 36px; font-size: 16px; }

/* ── SHARED ───────────────────────────────────── */
.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 6px 12px;
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 999px;
  margin-bottom: 28px;
  background: rgba(0, 212, 255, 0.04);
}
.section-tag.light {
  color: var(--fg-dark-0);
  border-color: rgba(0,0,0,0.2);
  background: transparent;
}
.section-tag.hot {
  color: var(--accent-hot);
  border-color: rgba(255, 59, 48, 0.3);
  background: rgba(255, 59, 48, 0.04);
}
.section-tag.warm {
  color: var(--accent-warm);
  border-color: rgba(255, 199, 44, 0.3);
  background: rgba(255, 199, 44, 0.04);
}

.mega-title {
  font-size: clamp(40px, 7vw, 104px);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.04em;
  color: var(--fg-0);
  margin-bottom: 32px;
}
.mega-title.dark { color: var(--fg-dark-0); }
.mega-title .serif-italic {
  font-size: 1.06em;
  line-height: 0.95;
  letter-spacing: -0.025em;
}
.accent { color: var(--accent); }

.gradient-italic {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.025em;
  background: linear-gradient(100deg, #00d4ff 0%, #9d6bff 55%, #ff5a1f 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  display: inline-block;
}

.section-sub {
  font-size: clamp(18px, 2vw, 22px);
  color: var(--fg-2);
  margin-bottom: 56px;
  max-width: 720px;
  line-height: 1.5;
}
.section-sub.dark { color: var(--fg-dark-2); }

/* ── HERO ─────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 140px 0 100px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg-0);
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-slides { position: absolute; inset: 0; }
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center top;
  opacity: 0;
  animation: slide-fade 25s ease-in-out infinite;
}
.hero-slide:nth-child(1) { animation-delay: 0s; }
.hero-slide:nth-child(2) { animation-delay: 5s; }
.hero-slide:nth-child(3) { animation-delay: 10s; }
.hero-slide:nth-child(4) { animation-delay: 15s; }
.hero-slide:nth-child(5) { animation-delay: 20s; }
@keyframes slide-fade {
  0%        { opacity: 1; }
  16%       { opacity: 1; }
  20%, 100% { opacity: 0; }
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse at 70% 30%, #000 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 30%, #000 20%, transparent 70%);
}
.hero-glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 78% 20%, rgba(255, 90, 31, 0.24) 0%, transparent 60%),
    radial-gradient(ellipse 55% 45% at 12% 75%, rgba(0, 212, 255, 0.22) 0%, transparent 60%),
    radial-gradient(ellipse 70% 55% at 50% 100%, rgba(157, 107, 255, 0.18) 0%, transparent 55%);
  filter: blur(20px);
  animation: aurora 14s ease-in-out infinite alternate;
}
@keyframes aurora {
  0%   { transform: translate3d(0, 0, 0) scale(1); opacity: 0.9; }
  100% { transform: translate3d(-2%, 1%, 0) scale(1.06); opacity: 1; }
}
.hero-content { position: relative; z-index: 2; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-1);
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.03);
  margin-bottom: 32px;
}
.eyebrow .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-size: clamp(44px, 7.5vw, 112px);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.045em;
  color: var(--fg-0);
  margin-bottom: 28px;
  max-width: 1180px;
}
.hero-title .gradient-italic { font-size: 1.04em; line-height: 1; }

.hero-sub {
  font-size: clamp(17px, 1.6vw, 22px);
  color: var(--fg-1);
  line-height: 1.5;
  max-width: 680px;
  margin-bottom: 16px;
}
.hero-support {
  font-size: 15px;
  color: var(--fg-2);
  max-width: 680px;
  margin-bottom: 40px;
  line-height: 1.6;
}
.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  max-width: 960px;
}
.meta-item { display: flex; flex-direction: column; gap: 4px; }
.meta-value {
  font-size: 22px;
  font-weight: 800;
  color: var(--fg-0);
  letter-spacing: -0.02em;
}
.meta-label {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--fg-2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.meta-divider {
  width: 1px;
  height: 32px;
  background: var(--line);
}

.scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 2;
}
.scroll-hint span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--fg-3);
  text-transform: uppercase;
}
.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}
@keyframes scroll-pulse {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.4); opacity: 0.5; }
}

/* ── VIDEO / PHOTO PLACEHOLDERS ──────────────── */
.video-placeholder,
.photo-placeholder {
  background: linear-gradient(135deg, var(--bg-2) 0%, var(--bg-1) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  box-shadow: 0 30px 80px -30px rgba(0,0,0,0.6);
}
.video-placeholder::after,
.photo-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(165deg, rgba(255,255,255,0.06) 0%, transparent 35%),
    radial-gradient(ellipse at 30% 80%, rgba(0, 212, 255, 0.10), transparent 60%);
  pointer-events: none;
}
.reel-video {
  width: 100%;
  aspect-ratio: 16/7;
  border-radius: 0;
  border-left: none;
  border-right: none;
  position: relative;
  overflow: hidden;
  background: #000;
}
.reel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  animation: reel-crossfade 18s ease-in-out infinite;
}
.reel-slide:nth-child(1) { animation-delay: 0s; }
.reel-slide:nth-child(2) { animation-delay: 9s; }
.reel-slide video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
@keyframes reel-crossfade {
  0%, 45%   { opacity: 1; }
  50%, 100% { opacity: 0; }
}
.side-video { aspect-ratio: 16/10; }
.small-video { aspect-ratio: 16/10; }
.tall-photo { aspect-ratio: 4/5; }
.closing-reel { width: 100%; height: 100%; border-radius: 0; border: none; }

.vp-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 32px;
  text-align: center;
  pointer-events: none;
  position: relative;
  z-index: 1;
}
.vp-icon {
  font-size: 2rem;
  color: var(--accent);
  opacity: 0.5;
}
.vp-inner p {
  font-size: 13px;
  color: var(--fg-2);
  max-width: 260px;
  line-height: 1.5;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}
.vp-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(0,212,255,0.3);
  border-radius: 999px;
  padding: 4px 10px;
}

/* ── REEL ─────────────────────────────────────── */
.reel { padding: 0 0 96px; background: var(--bg-0); }
.reel-wrap { width: 100%; }
.reel-caption {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-top: 24px;
}

/* ── TRUST BAND (marquee) ─────────────────────── */
.trust-band {
  background: var(--bg-0);
  padding: 56px 0 64px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.trust-headline {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 28px;
}
.marquee {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  overflow: hidden;
  padding: 12px 0;
  mask-image: linear-gradient(to right, transparent 0, #000 10%, #000 90%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 10%, #000 90%, transparent 100%);
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 50s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-row {
  display: flex;
  align-items: center;
  gap: 56px;
  padding: 0 28px;
  flex-shrink: 0;
}
.marquee-row .trust-item {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-2);
  white-space: nowrap;
  transition: color 0.25s var(--ease);
}
.marquee-row .trust-item:hover { color: var(--fg-0); }
.marquee-row .dot-sep {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.6;
  flex-shrink: 0;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── PROBLEM (LIGHT) ──────────────────────────── */
.problem {
  padding: 140px 0;
  background: var(--bg-light);
  color: var(--fg-dark-0);
}
.problem .mega-title { margin-bottom: 64px; }
.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 56px;
  max-width: 960px;
}
.prob-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-dark);
}
.prob-item .x {
  width: 36px; height: 36px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--accent-hot);
  border-radius: 50%;
  color: var(--accent-hot);
  font-size: 20px;
  font-weight: 300;
}
.prob-item p {
  color: var(--fg-dark-1);
  font-size: clamp(18px, 1.8vw, 22px);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: -0.01em;
}
.problem-close {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 760px;
}
.problem-close p {
  font-size: clamp(17px, 1.6vw, 22px);
  color: var(--fg-dark-1);
  line-height: 1.45;
}
.problem-close p strong { color: var(--accent-hot); font-weight: 700; }

/* ── SOLUTION / WHAT WE DO ────────────────────── */
.solution { padding: 140px 0; background: var(--bg-0); }
.split-what {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 72px;
  align-items: center;
}
.solution-intro {
  font-size: clamp(18px, 1.8vw, 22px);
  color: var(--fg-1);
  max-width: 560px;
  margin: 16px 0 28px;
  line-height: 1.5;
}
.check-list { display: flex; flex-direction: column; gap: 14px; margin-bottom: 36px; }
.check-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--fg-1);
  font-size: 16px;
  letter-spacing: -0.005em;
}
.check-list li::before {
  content: '';
  width: 20px; height: 20px;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.12);
  border: 1px solid rgba(0, 212, 255, 0.4);
  flex-shrink: 0;
  display: inline-block;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='%2300D4FF' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='5 10 9 14 15 6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}
.tag-chip {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  padding: 12px 18px;
  background: var(--accent);
  color: #000;
  border-radius: var(--radius);
  font-weight: 500;
}

/* ── RELY GRID ────────────────────────────────── */
.rely { padding: 140px 0; background: var(--bg-1); border-top: 1px solid var(--line); }
.rely .mega-title { margin-bottom: 64px; }
.rely-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.rely-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s var(--ease);
}
.rely-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: currentColor;
  opacity: 0.8;
}
.rely-card:nth-child(1) { color: var(--accent); }
.rely-card:nth-child(2) { color: var(--accent-hot); }
.rely-card:nth-child(3) { color: var(--accent-cool); }
.rely-card:nth-child(4) { color: var(--accent-warm); }
.rely-card:nth-child(5) { color: var(--accent); }
.rely-card:nth-child(6) { color: var(--accent-cool); }
.rely-card:hover { transform: translateY(-4px); border-color: currentColor; }
.rely-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: currentColor;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}
.rely-card h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--fg-0);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.rely-card p { font-size: 14.5px; color: var(--fg-2); line-height: 1.55; }

/* ── SYSTEMS GRID ─────────────────────────────── */
.systems {
  padding: 140px 0;
  background: var(--bg-light-2);
  color: var(--fg-dark-0);
}
.systems .mega-title { margin-bottom: 16px; }
.systems-intro {
  font-size: clamp(17px, 1.6vw, 21px);
  color: var(--fg-dark-2);
  margin-bottom: 64px;
  max-width: 720px;
  line-height: 1.5;
}
.systems-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.sys-card {
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: transform 0.4s var(--ease);
}
.sys-card:hover { transform: translateY(-4px); }
.sys-card--wide { grid-column: span 2; flex-direction: row; gap: 32px; }
.sys-card--wide .sys-asset { width: 50%; flex-shrink: 0; }
.sys-card--wide .small-video { height: 100%; aspect-ratio: auto; min-height: 360px; }
.sys-card--wide .sys-body { flex: 1; padding-top: 16px; }

.sys-asset {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #0A0A0A;
  border: 1px solid rgba(0,0,0,0.08);
  box-shadow: 0 30px 80px -30px rgba(0,0,0,0.4);
  transition: box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
  position: relative;
}
.sys-asset.has-media.small-video { aspect-ratio: 16 / 10; }
.sys-asset.has-media video,
.sys-asset.has-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border: 0;
}
.sys-asset.has-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(165deg, rgba(255,255,255,0.06) 0%, transparent 35%),
    linear-gradient(to top, rgba(0,0,0,0.35) 0%, transparent 40%);
  pointer-events: none;
}
.sys-card--wide .sys-asset.has-media.small-video {
  aspect-ratio: auto;
  height: 100%;
  min-height: 360px;
}
.sys-card:hover .sys-asset {
  box-shadow: 0 40px 100px -28px rgba(0, 212, 255, 0.25);
  border-color: rgba(0, 212, 255, 0.3);
}
.sys-body { display: flex; flex-direction: column; gap: 12px; }
.sys-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.sys-icon { font-size: 20px; }
.sys-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dark-0);
}
.sys-solves {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-hot);
  border: 1px solid rgba(255, 59, 48, 0.3);
  background: rgba(255, 59, 48, 0.06);
  border-radius: 999px;
  padding: 4px 10px;
  margin-left: auto;
}
.sys-body h3 {
  font-size: clamp(22px, 2vw, 28px);
  font-weight: 800;
  color: var(--fg-dark-0);
  letter-spacing: -0.02em;
  line-height: 1.2;
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.sys-body h3::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(0,0,0,0.08);
}
.sys-body > p {
  font-size: 16px;
  color: var(--fg-dark-2);
  line-height: 1.5;
  max-width: 560px;
}
.case-study {
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px solid rgba(0,0,0,0.08);
}
.case-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-dark-0);
  margin-bottom: 14px;
}
.case-stat {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 14px;
  padding: 16px 18px;
  background: var(--fg-dark-0);
  color: var(--fg-0);
  border-radius: var(--radius);
}
.case-number {
  font-size: 44px;
  font-weight: 900;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
  flex-shrink: 0;
  font-feature-settings: "tnum";
}
.case-desc {
  font-size: 14px;
  color: var(--fg-1);
  line-height: 1.4;
}
.case-desc em {
  font-style: normal;
  color: var(--fg-2);
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}
.case-metrics { display: flex; flex-wrap: wrap; gap: 8px; }
.case-metrics span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--fg-dark-2);
  background: rgba(0,0,0,0.04);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 999px;
  padding: 5px 12px;
}

/* ── PRODUCTS CATALOG ─────────────────────────── */
.products {
  padding: 140px 0;
  background: var(--bg-1);
  border-top: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.products::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 59, 48, 0.06), transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(157, 107, 255, 0.06), transparent 45%);
  pointer-events: none;
}
.products > .container { position: relative; z-index: 1; }
.products .mega-title { margin-bottom: 16px; max-width: 1100px; }
.products-intro {
  font-size: clamp(17px, 1.6vw, 21px);
  color: var(--fg-1);
  margin-bottom: 64px;
  max-width: 760px;
  line-height: 1.5;
}
.product-groups {
  display: flex;
  flex-direction: column;
  gap: 64px;
}
.product-group {
  position: relative;
  padding-top: 24px;
}
.product-group--hot { color: var(--accent-hot); }
.product-group--cool { color: var(--accent); }
.product-group--violet { color: var(--accent-cool); }

.group-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
  padding-bottom: 24px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.group-header::before {
  content: '';
  position: absolute;
  bottom: -1px; left: 0;
  width: 96px; height: 2px;
  background: currentColor;
}
.group-icon {
  font-size: 36px;
  line-height: 1;
  filter: drop-shadow(0 0 24px currentColor);
}
.group-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: currentColor;
  margin-bottom: 6px;
}
.group-title {
  font-size: clamp(28px, 3.2vw, 44px);
  font-weight: 800;
  color: var(--fg-0);
  letter-spacing: -0.025em;
  line-height: 1.05;
}
.group-count {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: currentColor;
  border: 1px solid currentColor;
  border-radius: 999px;
  padding: 6px 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.product-row {
  display: grid;
  gap: 20px;
}
.product-row--4 { grid-template-columns: repeat(4, 1fr); }
.product-row--3 { grid-template-columns: repeat(3, 1fr); }

.prod-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px 22px 0;
  overflow: hidden;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.prod-card:hover {
  border-color: currentColor;
  transform: translateY(-4px);
}
.product-group--hot .prod-card { color: var(--accent-hot); }
.product-group--cool .prod-card { color: var(--accent); }
.product-group--violet .prod-card { color: var(--accent-cool); }
.prod-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 120px;
}
.prod-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: currentColor;
  margin-bottom: 4px;
}
.prod-info h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--fg-0);
  letter-spacing: -0.015em;
  line-height: 1.25;
}
.prod-info p {
  font-size: 13.5px;
  color: var(--fg-2);
  line-height: 1.5;
}
.prod-video {
  aspect-ratio: 9 / 16;
  width: 100%;
  border-radius: 0;
  border-left: none;
  border-right: none;
  border-bottom: none;
  margin: 8px -22px 0;
  width: calc(100% + 44px);
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}
.prod-video .vp-inner { gap: 8px; padding: 16px; }
.prod-video .vp-icon { font-size: 1.4rem; }

.prod-video.has-media {
  position: relative;
  background: #000;
  border: 1px solid var(--line);
  border-left: none;
  border-right: none;
  border-bottom: none;
  overflow: hidden;
}
.prod-video.has-media video,
.prod-video.has-media img,
.prod-video.has-media iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border: 0;
}
.prod-video.has-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 70%, rgba(0,0,0,0.35) 100%);
  pointer-events: none;
}

/* ── PHOTO SLIDESHOW (Team Working / Backstage) ── */
.photo-slideshow {
  position: relative;
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-2);
  border: 1px solid var(--line);
  box-shadow: 0 30px 80px -30px rgba(0,0,0,0.6);
}
.photo-slideshow.tall-photo { aspect-ratio: 4 / 5; }
.photo-slideshow.side-video { aspect-ratio: 16 / 10; }
.photo-slideshow img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  animation: ss-fade var(--ss-duration, 44s) ease-in-out infinite;
  animation-delay: calc(var(--i, 0) * var(--ss-step, 4s));
  will-change: opacity, transform;
}
@keyframes ss-fade {
  0%   { opacity: 0; transform: scale(1.06); }
  4%   { opacity: 1; transform: scale(1.02); }
  10%  { opacity: 1; transform: scale(1); }
  14%  { opacity: 0; transform: scale(1); }
  100% { opacity: 0; transform: scale(1); }
}
.photo-slideshow::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.4) 100%);
}
.slideshow-caption {
  position: absolute;
  left: 20px;
  bottom: 18px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-1);
  background: rgba(0,0,0,0.55);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 999px;
  padding: 6px 12px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.products-footnote {
  margin-top: 48px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-2);
  letter-spacing: 0.04em;
  text-align: center;
  padding: 20px 24px;
  border: 1px dashed var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.015);
}

/* ── AGENCY MODEL ─────────────────────────────── */
.agency-model { padding: 140px 0; background: var(--bg-0); }
.split-agency {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 72px;
  align-items: center;
}
.agency-intro {
  font-size: clamp(18px, 1.8vw, 22px);
  color: var(--fg-1);
  margin-top: 20px;
  margin-bottom: 36px;
  line-height: 1.5;
  max-width: 560px;
}
.agency-modes {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 40px;
}
.agency-mode {
  padding: 26px 28px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.agency-mode::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0; left: 0;
  width: 2px;
  background: var(--accent);
}
.agency-mode:nth-child(2)::before { background: var(--accent-warm); }
.agency-mode:nth-child(3)::before { background: var(--accent-cool); }
.agency-mode:hover { transform: translateX(4px); border-color: rgba(255,255,255,0.15); }
.mode-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.agency-mode:nth-child(2) .mode-tag { color: var(--accent-warm); }
.agency-mode:nth-child(3) .mode-tag { color: var(--accent-cool); }
.mode-desc {
  font-size: 15.5px;
  color: var(--fg-1);
  margin-bottom: 8px;
  line-height: 1.5;
}
.mode-best {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-3);
  letter-spacing: 0.02em;
  line-height: 1.5;
}
.agency-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 24px; margin-top: 24px; }
.agency-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14.5px;
  color: var(--fg-1);
}
.check {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
  color: var(--accent);
  flex-shrink: 0;
}

/* ── PROCESS ──────────────────────────────────── */
.process {
  padding: 140px 0;
  background: var(--bg-light);
  color: var(--fg-dark-0);
  position: relative;
  overflow: hidden;
}
.process::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(0,0,0,0.04) 0 1px, transparent 1px 60px),
    repeating-linear-gradient(90deg, rgba(0,0,0,0.04) 0 1px, transparent 1px 60px);
  mask-image: linear-gradient(to bottom, transparent, #000 30%, #000 70%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 30%, #000 70%, transparent);
  pointer-events: none;
}
.process > .container { position: relative; z-index: 1; }
.process-sub {
  font-size: clamp(18px, 1.8vw, 22px);
  color: var(--fg-dark-2);
  margin-top: 12px;
  margin-bottom: 64px;
  max-width: 680px;
  line-height: 1.5;
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  align-items: stretch;
}
.process-step {
  padding: 32px 26px;
  background: var(--bg-light-2);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  transition: all 0.3s var(--ease);
  position: relative;
  display: flex;
  flex-direction: column;
}
.process-step:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: 0 20px 40px -20px rgba(0, 212, 255, 0.25);
}
.step-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--accent-hot);
  margin-bottom: 24px;
}
.step-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--fg-dark-0);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.process-step p {
  font-size: 14.5px;
  color: var(--fg-dark-2);
  line-height: 1.55;
}

/* ── WHY ──────────────────────────────────────── */
.why { padding: 140px 0; background: var(--bg-0); position: relative; overflow: hidden; }
.why::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 40%, rgba(0, 212, 255, 0.08), transparent 50%),
    radial-gradient(circle at 80% 60%, rgba(157, 107, 255, 0.05), transparent 50%);
  pointer-events: none;
}
.why > .container { position: relative; z-index: 1; }
.why-sub {
  font-size: clamp(18px, 1.8vw, 24px);
  color: var(--accent);
  margin-top: 12px;
  margin-bottom: 64px;
  font-family: var(--font-serif);
  font-style: italic;
  letter-spacing: -0.01em;
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.why-item {
  background: var(--bg-1);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: 220px;
  transition: background 0.3s var(--ease);
}
.why-item:hover { background: var(--bg-2); }
.why-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--accent);
}
.why-item p {
  font-size: clamp(17px, 1.5vw, 20px);
  color: var(--fg-0);
  line-height: 1.35;
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* ── AGENCY VALUE ─────────────────────────────── */
.agency-value {
  padding: 140px 0;
  background: var(--bg-light-2);
  color: var(--fg-dark-0);
}
.agency-value .section-tag { margin-bottom: 40px; }
.agency-value .mega-title { margin-bottom: 64px; font-size: clamp(32px, 4.5vw, 56px); }
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 56px;
}
.value-item {
  background: var(--bg-light);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all 0.3s var(--ease);
}
.value-item:hover {
  background: var(--bg-light-2);
  border-color: rgba(0, 212, 255, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -20px rgba(0, 212, 255, 0.2);
}
.value-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--fg-dark-0);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}
.value-item p {
  font-size: 17px;
  color: var(--fg-dark-0);
  line-height: 1.35;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.positioning-line {
  font-size: clamp(32px, 5vw, 64px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--fg-dark-0);
  max-width: 1100px;
  margin-top: 56px;
}
.positioning-line .gradient-italic { font-size: 1.04em; }

/* ── CLOSING ──────────────────────────────────── */
.closing {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: left;
  overflow: hidden;
  background: var(--bg-0);
}
.closing-video { position: absolute; inset: 0; z-index: 0; }
.closing-video::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 78% 20%, rgba(255, 90, 31, 0.24) 0%, transparent 60%),
    radial-gradient(ellipse 55% 45% at 12% 75%, rgba(0, 212, 255, 0.22) 0%, transparent 60%),
    radial-gradient(ellipse 70% 55% at 50% 100%, rgba(157, 107, 255, 0.18) 0%, transparent 55%);
  filter: blur(20px);
  animation: aurora 14s ease-in-out infinite alternate;
  z-index: 1;
}
.closing-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 2;
}
.closing-content {
  position: relative;
  z-index: 3;
  padding-top: 120px;
  padding-bottom: 120px;
}
.closing-pre {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.closing-content .mega-title {
  font-size: clamp(48px, 9vw, 144px);
  line-height: 0.95;
  letter-spacing: -0.045em;
  margin-bottom: 40px;
  max-width: 1100px;
}
.closing-content .mega-title .gradient-italic { font-size: 1.06em; line-height: 0.95; }
.closing-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 20px; }
.closing-sub {
  font-size: 14px;
  color: var(--fg-2);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  max-width: 640px;
  line-height: 1.6;
}

/* ── FINAL CTA (optional bright accent) ──────── */
.final-cta {
  background: var(--accent);
  color: #000;
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}
.final-cta::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,0,0,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  opacity: 0.5;
}

/* ── FOOTER ───────────────────────────────────── */
.footer {
  background: var(--bg-0);
  border-top: 1px solid var(--line);
  padding: 56px 0 40px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 40px;
  align-items: flex-start;
}
.footer-col { display: flex; flex-direction: column; gap: 8px; }
.footer-logo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 900;
  font-size: 20px;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.footer-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-2);
  letter-spacing: 0.06em;
}
.footer-cities {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-3);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.footer-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 4px;
}
.footer-link {
  font-size: 14px;
  color: var(--fg-1);
  transition: color 0.2s var(--ease);
}
.footer-link:hover { color: var(--accent); }
.footer-text { font-size: 13px; color: var(--fg-2); line-height: 1.6; }
.footer-base {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-copy {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  letter-spacing: 0.08em;
}

/* ── MEDIA CLICK HINT (theater trigger) ───────── */
.has-media { cursor: zoom-in; }
.has-media .media-hint {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px 6px 8px;
  border-radius: 999px;
  background: rgba(0,0,0,0.55);
  border: 1px solid rgba(255,255,255,0.18);
  color: var(--fg-0);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0.85;
  pointer-events: none;
  transition: all 0.25s var(--ease);
}
.has-media .media-hint::before {
  content: '';
  width: 0; height: 0;
  border-left: 7px solid var(--accent);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
}
.has-media:hover .media-hint {
  background: var(--accent);
  border-color: var(--accent);
  color: #000;
  opacity: 1;
  transform: scale(1.05);
}
.has-media:hover .media-hint::before { border-left-color: #000; }

/* ── THEATER MODAL (lightbox) ─────────────────── */
body.theater-open { overflow: hidden; }
.theater {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 56px 40px;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  opacity: 0;
  animation: theater-fade 0.28s var(--ease) forwards;
}
@keyframes theater-fade { to { opacity: 1; } }
.theater-frame {
  position: relative;
  max-width: 92vw;
  max-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 60px 140px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.06);
  background: #000;
  transform: scale(0.96);
  animation: theater-pop 0.32s var(--ease) forwards;
}
@keyframes theater-pop { to { transform: scale(1); } }
.theater-frame video,
.theater-frame img {
  display: block;
  max-width: 92vw;
  max-height: 88vh;
  width: auto;
  height: auto;
  object-fit: contain;
  background: #000;
}
.theater-close {
  position: fixed;
  top: 18px;
  right: 22px;
  z-index: 1;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  font-size: 22px;
  font-weight: 300;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.theater-close:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #000;
  transform: scale(1.05);
}
.theater-meta {
  position: fixed;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-2);
  background: rgba(0,0,0,0.55);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 999px;
  padding: 8px 16px;
  backdrop-filter: blur(8px);
  pointer-events: none;
}
@media (max-width: 560px) {
  .theater { padding: 16px; }
  .theater-close { top: 12px; right: 12px; }
}

/* ── PROGRESS RAIL ────────────────────────────── */
.progress-rail {
  position: fixed;
  top: 0;
  right: 0;
  width: 2px;
  height: 100%;
  z-index: 90;
  background: rgba(255,255,255,0.05);
  pointer-events: none;
}
.progress-rail-fill {
  width: 100%;
  height: 0%;
  background: linear-gradient(to bottom, var(--accent), var(--accent-cool));
  transition: height 0.08s linear;
}

/* ── REVEAL ───────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ───────────────────────────────── */
@media (max-width: 960px) {
  .container { padding: 0 24px; }
  .nav { padding: 16px 24px; }
  .nav-links { display: none; }
  .nav-badge { display: none; }

  .hero { padding: 120px 0 80px; }
  .hero-meta { gap: 20px; }
  .meta-divider { display: none; }

  .problem-grid { grid-template-columns: 1fr; }
  .split-what, .split-agency { grid-template-columns: 1fr; gap: 48px; }
  .rely-grid { grid-template-columns: repeat(2, 1fr); }
  .systems-grid { grid-template-columns: 1fr; }
  .sys-card--wide { flex-direction: column; }
  .sys-card--wide .sys-asset { width: 100%; }
  .sys-card--wide .small-video { min-height: 280px; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .agency-list { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }

  .product-row--4, .product-row--3 { grid-template-columns: repeat(2, 1fr); }
  .group-title { font-size: 28px; }

  .problem, .solution, .rely, .systems, .products, .agency-model,
  .process, .why, .agency-value { padding: 96px 0; }
}

@media (max-width: 560px) {
  .container { padding: 0 20px; }
  .nav { padding: 14px 20px; }
  .nav-cta { display: none; }

  .hero-title { font-size: 40px; }
  .rely-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .product-row--4, .product-row--3 { grid-template-columns: 1fr; }
  .problem-close { gap: 12px; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-base { flex-direction: column; gap: 12px; text-align: center; }
  .hero-meta { flex-direction: column; align-items: flex-start; gap: 18px; }
  .btn, .btn-lg { padding: 14px 22px; font-size: 14px; }
  .btn-lg { padding: 16px 28px; font-size: 15px; }
}

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}