/* ============================================================
   7th Floor Designs — Immersive 3D Experience
   ============================================================ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #0a0a0c;
  --fg: #e4e0d8;
  --dim: #999;
  --dim2: #2a2a2a;
  --accent: #BFFF00;
  --display: 'Syne', sans-serif;
  --body: 'Plus Jakarta Sans', sans-serif;
  --mono: 'Space Mono', monospace;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

html, body {
  margin: 0; padding: 0;
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
  touch-action: none;
}
::selection { background: var(--accent); color: var(--bg); }
a { color: inherit; text-decoration: none; }
button { border: none; background: none; font: inherit; color: inherit; cursor: pointer; }
ul { list-style: none; }

/* ---- LOADER ---- */
.loader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.8s var(--ease), visibility 0.8s;
}
.loader.done {
  opacity: 0; visibility: hidden;
  pointer-events: none;
}
.loader-inner { text-align: center; }
.loader-brand {
  font-family: var(--display); font-weight: 800;
  font-size: 2rem; margin-bottom: 32px;
}
.loader-brand span { color: var(--accent); }
.loader-bar {
  width: 200px; height: 2px;
  background: var(--dim2);
  margin: 0 auto 12px;
  overflow: hidden;
}
.loader-fill {
  width: 0%; height: 100%;
  background: var(--accent);
  transition: width 0.3s;
}
.loader-pct {
  font-family: var(--mono); font-size: 0.7rem;
  color: var(--dim); letter-spacing: 0.1em;
}

/* ---- CANVAS ---- */
#canvas {
  display: block;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 1;
}

/* ---- OVERLAY ---- */
.overlay {
  position: fixed; inset: 0;
  z-index: 10;
  pointer-events: none;
  overflow: hidden;
}
.overlay a, .overlay button, .overlay .s-work-item,
.overlay .s-price-card, .overlay .nav-cta {
  pointer-events: auto;
}

/* ---- NAV ---- */
.nav {
  position: absolute; top: 0; left: 0; right: 0;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(20px, 3vw, 48px);
  height: 64px; z-index: 100;
  pointer-events: auto;
}
.nav-logo {
  font-family: var(--display); font-weight: 800;
  font-size: 1.3rem; letter-spacing: -0.02em;
}
.dot { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a {
  font-family: var(--mono); font-size: 0.68rem;
  color: var(--dim); text-transform: uppercase;
  letter-spacing: 0.08em; transition: color 0.3s;
}
.nav-links a:hover { color: var(--fg); }
.nav-cta {
  padding: 7px 18px !important;
  border: 1px solid var(--accent) !important;
  color: var(--accent) !important;
  transition: background 0.3s, color 0.3s !important;
}
.nav-cta:hover {
  background: var(--accent) !important;
  color: var(--bg) !important;
}
.burger {
  display: none; width: 28px; height: 20px;
  position: relative; z-index: 1001;
}
.burger span {
  display: block; position: absolute; left: 0;
  width: 100%; height: 2px; background: var(--fg);
  transition: all 0.4s var(--ease);
}
.burger span:nth-child(1) { top: 0; }
.burger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.burger span:nth-child(3) { bottom: 0; }
.burger.open span:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { bottom: 50%; transform: translateY(50%) rotate(-45deg); }

/* ---- PROGRESS ---- */
.progress {
  position: absolute; top: 0; left: 0;
  width: 0%; height: 2px;
  background: var(--accent);
  z-index: 101;
}

/* ---- SCROLL CUE ---- */
.scroll-cue {
  position: absolute; bottom: 32px;
  left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column;
  align-items: center; gap: 10px;
  transition: opacity 0.5s;
}
.scroll-cue span {
  font-family: var(--mono); font-size: 0.6rem;
  text-transform: uppercase; letter-spacing: 0.15em;
  color: var(--dim);
}
.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.3; transform: scaleY(0.5); }
}

/* ---- SIDE INFO ---- */
.side-info {
  position: absolute; top: 50%; z-index: 50;
  display: flex; flex-direction: column; gap: 8px;
  font-family: var(--mono); font-size: 0.6rem;
  color: var(--dim); letter-spacing: 0.06em;
  text-transform: uppercase;
}
.side-info--left {
  left: clamp(16px, 2vw, 32px);
  transform: translateY(-50%) rotate(-90deg);
  transform-origin: left center;
}
.side-info--right {
  right: clamp(16px, 2vw, 32px);
  transform: translateY(-50%) rotate(90deg);
  transform-origin: right center;
}

/* ============================================================
   SECTIONS — positioned absolutely, faded by JS
   ============================================================ */
.s {
  position: absolute;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  pointer-events: none;
}
.s.active {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

/* -- Hero -- */
.s-hero {
  top: 50%; left: clamp(24px, 4vw, 64px);
  transform: translateY(-50%);
  max-width: 800px;
}
.s-hero.active { transform: translateY(-50%); }
.s-hero-eyebrow {
  font-family: var(--mono); font-size: 0.68rem;
  color: var(--dim); text-transform: uppercase;
  letter-spacing: 0.12em; margin-bottom: 24px;
}
.s-hero-title {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(3rem, 8vw, 7rem);
  line-height: 0.95; letter-spacing: -0.04em;
  text-transform: uppercase; color: var(--accent);
}
.s-hero-title .outline {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--accent);
}
.s-hero-tag {
  font-size: clamp(0.85rem, 1.2vw, 1rem);
  font-weight: 300; color: var(--dim);
  margin-top: 28px; line-height: 1.7;
}

/* -- Work -- */
.s-work {
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 90%; max-width: 1100px;
}
.s-work.active { transform: translate(-50%, -50%); }
.s-label {
  font-family: var(--mono); font-size: 0.68rem;
  color: var(--dim); text-transform: uppercase;
  letter-spacing: 0.08em; margin-bottom: 32px;
}
.s-num {
  font-family: var(--display); font-weight: 800;
  color: var(--accent); margin-right: 10px;
}
.s-work-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 2px;
}
.s-work-item {
  padding: 28px;
  border: 1px solid rgba(228,224,216,0.06);
  background: rgba(10,10,12,0.6);
  backdrop-filter: blur(12px);
  transition: background 0.4s, border-color 0.4s;
  cursor: pointer;
  display: flex; flex-direction: column; gap: 6px;
}
.s-work-item:hover {
  background: rgba(191,255,0,0.08);
  border-color: var(--accent);
}
.s-work-cat {
  font-family: var(--mono); font-size: 0.6rem;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--dim);
}
.s-work-name {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(1.3rem, 2.5vw, 2rem);
  letter-spacing: -0.02em; line-height: 1.1;
}
.s-work-stat {
  font-family: var(--mono); font-size: 0.65rem;
  color: var(--accent); margin-top: auto;
}

/* -- Stats -- */
.s-stats {
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}
.s-stats.active { transform: translate(-50%, -50%); }
.s-stats-row {
  display: flex; gap: clamp(40px, 8vw, 120px);
  align-items: baseline; justify-content: center;
}
.s-stat { text-align: center; }
.s-stat-val {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(4rem, 10vw, 8rem);
  line-height: 1; letter-spacing: -0.04em;
  color: var(--accent);
}
.s-stat-unit {
  font-family: var(--mono); font-weight: 700;
  font-size: clamp(1rem, 2vw, 1.5rem);
  color: var(--accent); opacity: 0.6;
}
.s-stat-label {
  display: block; font-family: var(--mono);
  font-size: 0.65rem; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--dim); margin-top: 8px;
}

/* -- Services -- */
.s-svc {
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 90%; max-width: 1000px;
}
.s-svc.active { transform: translate(-50%, -50%); }
.s-svc-list {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 2px;
}
.s-svc-item {
  padding: 32px;
  border: 1px solid rgba(228,224,216,0.06);
  background: rgba(10,10,12,0.6);
  backdrop-filter: blur(12px);
}
.s-svc-item h3 {
  font-family: var(--display); font-weight: 800;
  font-size: 1.3rem; margin-bottom: 4px;
}
.s-svc-price {
  font-family: var(--mono); font-size: 0.65rem;
  color: var(--accent); text-transform: uppercase;
  letter-spacing: 0.06em; display: block;
  margin-bottom: 12px;
}
.s-svc-item p {
  font-size: 0.82rem; color: var(--dim);
  line-height: 1.6;
}

/* -- Pricing -- */
.s-pricing {
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 90%; max-width: 1100px;
}
.s-pricing.active { transform: translate(-50%, -50%); }
.s-price-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.s-price-card {
  padding: 36px 28px;
  border: 1px solid rgba(228,224,216,0.06);
  background: rgba(10,10,12,0.7);
  backdrop-filter: blur(12px);
  display: flex; flex-direction: column;
}
.s-price-card--pop {
  background: rgba(228,224,216,0.95);
  color: var(--bg);
}
.s-price-badge {
  font-family: var(--mono); font-size: 0.6rem;
  text-transform: uppercase; letter-spacing: 0.1em;
  opacity: 0.4; display: block; margin-bottom: 4px;
}
.s-price-tier {
  font-family: var(--mono); font-size: 0.68rem;
  color: var(--dim); text-transform: uppercase;
  letter-spacing: 0.08em;
}
.s-price-card--pop .s-price-tier { color: rgba(10,10,12,0.4); }
.s-price-amount {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.03em; margin: 12px 0; line-height: 1;
}
.s-price-amount sup { font-size: 0.4em; font-weight: 400; }
.s-price-for {
  font-size: 0.8rem; color: var(--dim); margin-bottom: 20px;
}
.s-price-card--pop .s-price-for { color: rgba(10,10,12,0.5); }
.s-price-card ul { flex: 1; margin-bottom: 24px; }
.s-price-card li {
  font-size: 0.78rem; color: var(--dim); padding: 4px 0;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}
.s-price-card--pop li {
  color: rgba(10,10,12,0.5);
  border-bottom-color: rgba(10,10,12,0.08);
}
.s-price-card li:last-child { border-bottom: none; }

/* -- Process -- */
.s-process {
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 90%; max-width: 900px;
}
.s-process.active { transform: translate(-50%, -50%); }
.s-process-headline {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1; letter-spacing: -0.03em;
  margin-bottom: 48px; color: var(--accent);
}
.s-process-steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.s-process-step {
  padding: 20px 0;
  border-top: 1px solid var(--dim2);
}
.s-process-step span {
  font-family: var(--mono); font-size: 0.65rem;
  color: var(--dim); display: block; margin-bottom: 12px;
}
.s-process-step h3 {
  font-family: var(--display); font-weight: 700;
  font-size: 1rem; margin-bottom: 6px;
}
.s-process-step p {
  font-size: 0.8rem; color: var(--dim); line-height: 1.5;
}

/* -- CTA -- */
.s-cta {
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center; max-width: 800px;
}
.s-cta.active { transform: translate(-50%, -50%); }
.s-cta-text {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 1.05; letter-spacing: -0.04em;
  margin-bottom: 40px;
}
.s-cta-btn {
  display: inline-block;
  font-family: var(--mono); font-size: 0.75rem;
  font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; padding: 18px 48px;
  background: var(--accent); color: var(--bg);
  transition: transform 0.3s var(--ease), box-shadow 0.3s;
  pointer-events: auto;
}
.s-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 40px rgba(191,255,0,0.2);
}
.s-cta-info {
  display: flex; justify-content: center; gap: 12px;
  margin-top: 28px; font-size: 0.85rem; font-weight: 500;
  text-shadow: 0 1px 10px rgba(0,0,0,.8);
  flex-wrap: wrap; align-items: center;
}
.s-cta-info span { white-space: nowrap; }
.s-cta-info span + span::before {
  content: "·"; margin-right: 12px; opacity: 0.4;
}
.s-cta-note {
  font-family: var(--mono); font-size: 0.65rem;
  color: #fff; margin-top: 16px;
  letter-spacing: 0.04em; opacity: 0.7;
  text-shadow: 0 1px 8px rgba(0,0,0,.8);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .burger { display: block; pointer-events: auto; }
  .nav-links {
    position: fixed; inset: 0; background: var(--bg);
    flex-direction: column; align-items: center; justify-content: center;
    gap: 32px; opacity: 0; pointer-events: none;
    transition: opacity 0.4s; z-index: 1000;
  }
  .nav-links.open { opacity: 1; pointer-events: auto; }
  .nav-links a { font-size: 1.1rem; color: var(--fg); }
  .s-hero-title { font-size: clamp(2.5rem, 12vw, 4rem); }
  .s-work-grid { grid-template-columns: 1fr; }
  .s-svc-list { grid-template-columns: 1fr; }
  .s-price-grid { grid-template-columns: 1fr; }
  .s-process-steps { grid-template-columns: 1fr 1fr; }
  .s-stats-row { flex-direction: column; gap: 32px; }
  .s-cta-info { flex-direction: column; gap: 8px; }
  .side-info { display: none; }
}

/* --- Skip Link --- */
.skip-link {
  position: absolute; top: -100%; left: 16px; z-index: 10000;
  padding: 10px 20px; background: var(--accent); color: var(--bg);
  font-family: var(--display); font-weight: 700; font-size: 0.85rem;
  text-decoration: none; letter-spacing: 0.06em;
}
.skip-link:focus { top: 8px; }

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