/* =========================================================
   Ambience — Product Feature Page
   Dark editorial counterpart to the light index page
   ========================================================= */

body.amb-page {
  --bg: #0a0a0c;
  --bg-2: #111114;
  --ink: #f0eee8;
  --ink-2: #c8c5bc;
  --dim: #7a766c;
  --dim-2: #4a463f;
  --rule: rgba(240, 238, 232, 0.18);
  --rule-faint: rgba(240, 238, 232, 0.08);
  --accent: #ff8a3c;
  --accent-ink: #ff8a3c;
  --accent-2: #3d8bbf;
  background: var(--bg);
  color: var(--ink);
}

.amb-root { overflow: hidden; }

/* ============ HERO ============ */
.amb-hero {
  position: relative;
  min-height: 100vh;
  padding: 40px 40px 80px;
  display: grid;
  grid-template-columns: 1fr;
  overflow: hidden;
}
.amb-hero-bg {
  position: absolute;
  inset: -10% -10% -10% -10%;
  z-index: 0;
  pointer-events: none;
}
.amb-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 138, 60, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 138, 60, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 60% 30%, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 60% 30%, black 0%, transparent 70%);
}
.amb-glow {
  position: absolute;
  top: -10%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(255, 138, 60, 0.18), transparent 60%);
  filter: blur(40px);
}

.amb-hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 28px;
  max-width: 1100px;
  margin-top: 40px;
}

.amb-hero-flag {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--dim);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--rule);
}
.amb-back {
  color: var(--ink-2);
  text-decoration: none;
  transition: color 0.2s;
}
.amb-back:hover { color: var(--accent); }
.amb-flag-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--accent);
}
.amb-pulse {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: ambPulse 1.6s ease-in-out infinite;
}
@keyframes ambPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

.amb-hero-title {
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(64px, 11vw, 180px);
  line-height: 0.9;
  letter-spacing: -0.045em;
  margin: 0;
  display: flex;
  flex-direction: column;
}
.ahl { display: block; }
.ahl-2 {
  padding-left: 0.6em;
}
.ahl em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.amb-hero-sub {
  font-size: clamp(16px, 1.5vw, 22px);
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 720px;
  margin: 0;
  text-wrap: pretty;
}
.amb-em {
  color: var(--ink);
  background: linear-gradient(transparent 80%, rgba(255, 138, 60, 0.3) 80%);
  padding: 0 0.15em;
}

.amb-hero-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 24px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-2);
}
.amb-hero-meta .ahm-k {
  display: block;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 6px;
}

.amb-hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-soon {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 28px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink);
  background: rgba(255, 138, 60, 0.1);
  border: 1px solid var(--accent);
  cursor: not-allowed;
}
.btn-soon.big {
  padding: 24px 36px;
  font-size: 14px;
}

.btn-release {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 28px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #000;
  background: var(--accent);
  border: 1px solid var(--accent);
  text-decoration: none;
  cursor: pointer;
  transition: filter 0.15s ease, transform 0.15s ease;
}
.btn-release:hover {
  filter: brightness(1.12);
  transform: translateY(-1px);
}
.btn-release.big {
  padding: 26px 40px;
  font-size: 14px;
}
.br-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #000;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.4);
}

.amb-src {
  color: var(--ink) !important;
}
.bs-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: ambPulse 2s ease-in-out infinite;
}
.amb-lang {
  background: transparent;
  color: var(--ink-2);
  border: 1px solid var(--rule);
}
.amb-lang .on { color: var(--accent); }
.amb-lang .sep { color: var(--dim-2); }

.amb-hero-shot {
  position: absolute;
  right: -8%;
  bottom: -8%;
  width: 55vw;
  max-width: 1100px;
  z-index: 1;
  pointer-events: none;
  opacity: 0.42;
  filter: blur(0.5px) saturate(1.1);
  mask-image: linear-gradient(135deg, black 40%, transparent 80%);
  -webkit-mask-image: linear-gradient(135deg, black 40%, transparent 80%);
}
.amb-hero-shot img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--rule);
}

/* ============ SECTIONS ============ */
.amb-section {
  padding: 120px 40px;
  max-width: 1400px;
  margin: 0 auto;
}
.amb-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
}
.amb-h2 {
  font-size: clamp(40px, 6.5vw, 92px);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.035em;
  margin: 0 0 32px;
  max-width: 1100px;
}
.amb-h2 .amb-h {
  color: var(--accent);
}
.amb-lead {
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink-2);
  margin: 0 0 48px;
  max-width: 720px;
  text-wrap: pretty;
}

/* PITCH */
.amb-pitch-body {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 720px;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-2);
}
.amb-pitch-body p { margin: 0; }
.amb-stress {
  font-family: var(--serif);
  font-style: italic;
  font-size: 32px !important;
  color: var(--accent) !important;
  letter-spacing: -0.01em;
  line-height: 1.3 !important;
  margin-top: 20px !important;
}

/* PITCH VIDEO */
.amb-pitch-video {
  margin-top: 72px;
  max-width: 1100px;
}
.amb-video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--rule);
  background: #050505;
  overflow: hidden;
}
.amb-video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.amb-video-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  background:
    radial-gradient(circle at 50% 50%, rgba(255,138,60,0.12), transparent 60%),
    repeating-linear-gradient(45deg, rgba(255,138,60,0.04) 0 1px, transparent 1px 12px);
}
.amb-video-placeholder .avp-icon {
  width: 72px; height: 72px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  font-size: 22px;
  background: rgba(255,138,60,0.08);
}
.amb-video-placeholder .avp-text {
  font-family: var(--mono);
}
.amb-video-placeholder .avp-k {
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--dim);
}
.amb-video-placeholder .avp-v {
  font-size: 16px;
  color: var(--ink);
  margin-top: 6px;
  letter-spacing: 0.06em;
}

/* NUMBERS */
.amb-num-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}
.amb-num-cell {
  padding: 36px 28px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}
.amb-num-cell::after {
  content: "";
  position: absolute;
  inset: auto -10% -50% auto;
  width: 80%;
  height: 100%;
  background: radial-gradient(circle, rgba(255,138,60,0.06), transparent 60%);
  pointer-events: none;
}
.amb-num-n {
  font-family: var(--sans);
  font-size: clamp(64px, 7vw, 96px);
  font-weight: 500;
  line-height: 1;
  color: var(--accent);
  letter-spacing: -0.04em;
}
.amb-num-k {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin-top: 16px;
}
.amb-num-s {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
  margin-top: 6px;
}

/* ENGINE */
.amb-engine-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.amb-card {
  padding: 36px 32px;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: background 0.2s;
}
.amb-card:hover {
  background: color-mix(in oklab, var(--accent) 6%, var(--bg));
}
.amb-card-k {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
}
.amb-card h3 {
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.2;
  margin: 0;
}
.amb-card p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-2);
  margin: 0;
  text-wrap: pretty;
}

/* PRO MODE */
.amb-pro-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: center;
}
.amb-pro-text { display: flex; flex-direction: column; gap: 20px; }
.amb-pro-text p {
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-2);
  margin: 0;
  max-width: 480px;
  text-wrap: pretty;
}
.amb-pro-shot {
  border: 1px solid var(--rule);
  overflow: hidden;
  position: relative;
}
.amb-pro-shot img {
  width: 100%;
  display: block;
}
.amb-pro-shot::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.4));
}

/* PRESETS */
.amb-preset-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.amb-preset-cell {
  background: var(--bg);
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.apc-algo {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
}
.apc-name {
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.apc-ref {
  font-size: 12px;
  color: var(--dim);
  line-height: 1.4;
}

/* SAFETY */
.amb-safety-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.amb-safety-cell {
  background: var(--bg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.ass-k {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--accent);
}
.amb-safety-cell h4 {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0;
  line-height: 1.3;
}
.amb-safety-cell p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-2);
  margin: 0;
}

/* METRICS */
.amb-metrics-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 13px;
}
.amb-metrics-table th {
  text-align: left;
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--dim);
  padding: 14px 16px;
  border-bottom: 1px solid var(--rule);
}
.amb-metrics-table td {
  padding: 20px 16px;
  border-bottom: 1px solid var(--rule-faint);
  color: var(--ink-2);
}
.amb-metrics-table .amk {
  color: var(--accent);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.06em;
}
.amb-metrics-table .ami {
  color: var(--ink);
}

/* SPECS */
.amb-specs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin-bottom: 24px;
}
.amb-specs-grid > div {
  background: var(--bg);
  padding: 28px;
}
.asg-k {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 8px;
}
.asg-v {
  font-size: 18px;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.amb-warn {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.04em;
  padding: 16px 20px;
  border: 1px solid var(--accent);
  background: rgba(255, 138, 60, 0.05);
  margin: 0;
}

/* CTA */
.amb-cta {
  text-align: center;
  padding: 200px 40px 240px;
  position: relative;
}
.amb-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(255,138,60,0.18), transparent 60%);
  pointer-events: none;
}
.amb-cta-title {
  font-size: clamp(48px, 8vw, 120px);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin: 0 0 32px;
  position: relative;
}
.amb-cta-title .amb-h { color: var(--accent); }
.amb-cta-sub {
  font-size: 18px;
  color: var(--ink-2);
  margin: 0 0 48px;
  position: relative;
}
.amb-cta-actions {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  position: relative;
}
.amb-cta-actions .btn-ghost {
  color: var(--ink);
  border: 1px solid var(--rule);
}
.amb-cta-actions .btn-ghost:hover {
  background: var(--ink);
  color: var(--bg);
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .amb-hero { padding: 24px 20px 60px; }
  .amb-hero-meta { grid-template-columns: 1fr 1fr; gap: 16px; }
  .amb-hero-shot { width: 100vw; right: -20%; opacity: 0.2; }
  .amb-section { padding: 80px 20px; }
  .amb-num-grid, .amb-engine-grid, .amb-safety-grid, .amb-specs-grid { grid-template-columns: 1fr; }
  .amb-preset-grid { grid-template-columns: 1fr; }
  .amb-pro-grid { grid-template-columns: 1fr; gap: 32px; }
  .amb-metrics-table { font-size: 12px; }
  .amb-cta { padding: 100px 20px 140px; }
}