/* Hero */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 40%;
  background: linear-gradient(transparent, var(--bg));
  pointer-events: none;
}
.hero-field { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 120px 24px 80px;
  pointer-events: none;
}
.hero-inner a { pointer-events: auto; }
.eyebrow {
  margin: 0 0 22px;
  font: 500 13px var(--mono);
  letter-spacing: 0.2em;
  color: var(--accent);
}
.hero-title {
  margin: 0;
  font-size: clamp(44px, 8.4vw, 112px);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.045em;
}
.hero-title .line { display: block; }
.rotator {
  min-height: 1em;
  background: linear-gradient(92deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  max-width: 600px;
  margin: 30px 0 0;
  font-size: 19px;
  color: var(--muted);
  --d: 0.3s;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; --d: 0.45s; }
.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  z-index: 2;
  width: 26px;
  height: 42px;
  margin-left: -13px;
  border: 1.5px solid var(--border-strong);
  border-radius: 14px;
}
.scroll-hint span {
  position: absolute;
  top: 8px;
  left: 50%;
  width: 3px;
  height: 8px;
  margin-left: -1.5px;
  border-radius: 2px;
  background: var(--accent);
  animation: wheel 1.8s var(--ease) infinite;
}
@keyframes wheel { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }

/* Marquee */
.marquee {
  overflow: hidden;
  padding: 22px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track {
  display: flex;
  gap: 56px;
  width: max-content;
  animation: marquee 40s linear infinite;
  font: 500 15px var(--mono);
  color: var(--muted);
  white-space: nowrap;
}
.marquee-track span::before { content: "◆"; margin-right: 56px; color: var(--accent); opacity: 0.5; font-size: 9px; vertical-align: middle; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* Sections */
.section { padding-top: 130px; padding-bottom: 40px; }
.section-head { display: grid; grid-template-columns: auto 1fr; column-gap: 18px; align-items: baseline; margin-bottom: 52px; }
.section-head h2 { margin: 0; font-size: clamp(34px, 5vw, 56px); font-weight: 800; letter-spacing: -0.035em; }
.section-sub { grid-column: 2; max-width: 560px; margin: 14px 0 0; color: var(--muted); }
.idx { font: 500 14px var(--mono); color: var(--accent); }

/* Cards */
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.card {
  position: relative;
  padding: 34px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.3s, transform 0.5s var(--ease), opacity 0.9s var(--ease), filter 0.9s var(--ease);
}
.grid .card:nth-child(2) { --d: 0.08s; }
.grid .card:nth-child(3) { --d: 0.16s; }
.grid .card:nth-child(4) { --d: 0.24s; }
.spot::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(94, 240, 180, 0.11), transparent 60%);
  transition: opacity 0.3s;
  pointer-events: none;
}
.spot:hover::before { opacity: 1; }
.spot:hover { border-color: var(--border-strong); }
.card-icon { width: 48px; height: 48px; margin-bottom: 26px; }
.card-icon svg { width: 100%; height: 100%; fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.card-icon svg * { stroke-dasharray: 120; stroke-dashoffset: 120; transition: stroke-dashoffset 1.4s var(--ease) 0.2s; }
.card.in .card-icon svg * { stroke-dashoffset: 0; }
.card h3 { margin: 0 0 12px; font-size: 22px; font-weight: 700; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--muted); }

/* Cases */
.case {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 110px;
}
.case-flip .case-text { order: 2; }
.badge {
  display: inline-block;
  padding: 5px 12px;
  border: 1px solid rgba(94, 240, 180, 0.3);
  border-radius: 999px;
  color: var(--accent);
  font: 12px var(--mono);
}
.case h3 { margin: 18px 0 14px; font-size: clamp(36px, 4.6vw, 54px); font-weight: 800; letter-spacing: -0.04em; }
.case p { margin: 0; color: var(--muted); }
.case-link { display: inline-flex; gap: 8px; margin-top: 24px; color: var(--accent); font: 500 15px var(--mono); }
.case-link span { transition: transform 0.3s var(--ease); }
.case-link:hover span { transform: translateX(5px); }
.case-visual { perspective: 1200px; }
.window {
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  background: var(--surface-2);
  overflow: hidden;
  box-shadow: 0 40px 100px -30px rgba(0, 0, 0, 0.8), 0 0 80px -20px rgba(94, 240, 180, 0.18);
  transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform 0.4s var(--ease);
  will-change: transform;
}
.window-bar { display: flex; align-items: center; gap: 7px; padding: 12px 14px; border-bottom: 1px solid var(--border); }
.window-bar i { width: 11px; height: 11px; border-radius: 50%; background: #3a424c; }
.window-bar i:first-child { background: #ff5f57; }
.window-bar i:nth-child(2) { background: #febc2e; }
.window-bar i:nth-child(3) { background: #28c840; }
.rec { margin-left: auto; color: #ff5f57; font: 500 11px var(--mono); letter-spacing: 0.1em; animation: rec 1.4s steps(2) infinite; }
@keyframes rec { 50% { opacity: 0.3; } }
.wave { display: block; width: 100%; height: 170px; }
.transcript { height: 150px; padding: 6px 20px 18px; overflow: hidden; font: 13px/1.7 var(--mono); }
.transcript p { margin: 0 0 6px; opacity: 0; transform: translateY(8px); animation: line-in 0.5s var(--ease) forwards; }
.transcript b { font-weight: 500; }
@keyframes line-in { to { opacity: 1; transform: none; } }

/* Steps */
.steps { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: s; }
.steps li { position: relative; padding-top: 28px; border-top: 1px solid var(--border); }
.steps li::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  height: 1px;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 1.4s var(--ease) 0.3s;
}
.steps li.in::before { width: 100%; }
.steps li:nth-child(2) { --d: 0.12s; }
.steps li:nth-child(3) { --d: 0.24s; }
.step-n { font: 500 14px var(--mono); color: var(--accent); }
.steps h3 { margin: 14px 0 10px; font-size: 22px; font-weight: 700; }
.steps p { margin: 0; color: var(--muted); }

/* Contact */
.contact { padding-top: 160px; padding-bottom: 140px; text-align: center; }
.contact-title { margin: 0 0 48px; font-size: clamp(48px, 9vw, 120px); font-weight: 800; line-height: 0.98; letter-spacing: -0.05em; }
.accent-text { background: linear-gradient(92deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.btn-xl { padding: 20px 40px; font-size: 19px; }
.contact-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; --d: 0.15s; }

@media (max-width: 860px) {
  .grid, .steps { grid-template-columns: 1fr; }
  .case { grid-template-columns: 1fr; gap: 32px; margin-bottom: 80px; }
  .case-flip .case-text { order: 0; }
  .section { padding-top: 90px; }
  .card { padding: 26px; }
  .section-head { grid-template-columns: 1fr; }
  .section-sub { grid-column: 1; }
}