/* =========================================================================
   CONCEPT 2 — "GRAPHITE"
   Dark, precision-engineered. Graphite surfaces, orange as a signal light.
   Automotive cues: hazard tape, carbon weave, tyre-tread edge, spec plates,
   brushed-metal seams. Long copy is hidden behind click-to-open blocks.
   ========================================================================= */

:root {
  --accent: #fca311;
  --accent-2: #ff8a00;
  --redline: #ff4d2e;
  --accent-ink: #d97d04;
  --accent-glow: rgba(252, 163, 17, 0.22);
  --bg: #0b0d0f;
  --bg-2: #0e1114;
  --surface: #12161a;
  --card: #151a1f;
  --line: rgba(255, 255, 255, 0.07);
  --line-2: rgba(255, 255, 255, 0.13);
  --text: #eef1f3;
  --text-2: #b1bac2;
  --muted: #7c8792;
  --radius: 14px;
  --radius-sm: 10px;
  --max: 1240px;
  --pad: clamp(4rem, 7vw, 7rem);
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --head: 'Space Grotesk', 'Inter', sans-serif;
  /* automotive textures, CSS only */
  --carbon: repeating-linear-gradient(45deg, rgba(255,255,255,.022) 0 1px, transparent 1px 3px),
            repeating-linear-gradient(-45deg, rgba(255,255,255,.016) 0 1px, transparent 1px 3px);
  --tape-bg: repeating-linear-gradient(-45deg, var(--accent) 0 9px, #14171b 9px 18px);
  --brushed: repeating-linear-gradient(90deg, rgba(255,255,255,.05) 0 1px, transparent 1px 4px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text-2);
  font-family: var(--sans); font-size: 1rem; line-height: 1.65;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--head); color: var(--text); margin: 0; font-weight: 700; letter-spacing: -0.025em; }
h1 { font-size: clamp(2.3rem, 4.6vw, 3.7rem); line-height: 1.04; }
h1 em { font-style: normal; color: var(--accent); }
h2 { font-size: clamp(1.6rem, 2.7vw, 2.3rem); line-height: 1.12; }
h3 { font-size: 1.1rem; line-height: 1.35; font-weight: 600; letter-spacing: -0.015em; }
h4 { font-size: 1rem; font-weight: 600; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 clamp(1.25rem, 4vw, 2.5rem); }
.sec { padding: var(--pad) 0; position: relative; }
.eyebrow {
  display: inline-block; font-family: var(--mono); font-size: 0.78rem; font-weight: 500;
  letter-spacing: 0.15em; text-transform: uppercase; color: var(--accent);
}
.ico { display: inline-flex; }
.ico svg { width: 22px; height: 22px; }
.ico-sm svg { width: 16px; height: 16px; }

/* hazard tape — 6px of workshop signage */
.tape { height: 4px; background: var(--tape-bg); opacity: 0.7; }

/* ---------------------------------------------------------------- chrome -- */
#scrollProgress { position: fixed; top: 0; left: 0; height: 2px; width: 0; background: linear-gradient(90deg, var(--redline), var(--accent)); z-index: 10000; transition: width 0.1s linear; }
#backToTop {
  position: fixed; bottom: 1.5rem; right: 1.5rem; width: 44px; height: 44px; border: 0;
  border-radius: 50%; background: var(--accent); color: #17130a; display: grid; place-items: center;
  z-index: 120; opacity: 0; transform: translateY(12px); transition: all 0.25s ease; pointer-events: none;
  box-shadow: 0 10px 30px var(--accent-glow);
}
#backToTop svg { width: 18px; height: 18px; transform: rotate(-90deg); }
#backToTop.visible { opacity: 1; transform: none; pointer-events: auto; }
#backToTop:hover { background: #ffb43a; }

.demo-watermark {
  position: fixed; right: -54px; top: 50%; transform: translateY(-50%) rotate(90deg);
  font-family: var(--head); font-size: 92px; font-weight: 700; letter-spacing: 0.2em;
  color: var(--accent); opacity: 0.06; z-index: 90; pointer-events: none; user-select: none;
}

.concept-switch {
  position: fixed; left: 50%; bottom: 1.1rem; transform: translateX(-50%);
  display: flex; align-items: center; gap: 2px; z-index: 130;
  background: rgba(14, 17, 20, 0.88); backdrop-filter: blur(12px);
  border: 1px solid var(--line-2); border-radius: 999px; padding: 4px;
  font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase;
}
.concept-switch a { padding: 0.42rem 0.8rem; border-radius: 999px; color: var(--muted); white-space: nowrap; }
.concept-switch a:hover { color: var(--text); }
.concept-switch .cs-item.active { background: var(--accent); color: #17130a; }
.concept-switch .cs-home { border-right: 1px solid var(--line); border-radius: 0; margin-right: 3px; }

/* ------------------------------------------------------------------- nav -- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding-top: 0.8rem; transition: padding 0.25s ease; }
.nav-inner {
  max-width: 1180px; margin: 0 auto; padding: 0.5rem 0.6rem 0.5rem 1.1rem;
  display: flex; align-items: center; gap: 1.5rem; border-radius: 999px;
  border: 1px solid transparent; transition: all 0.28s ease;
}
.nav.scrolled { padding-top: 0.45rem; }
.nav.scrolled .nav-inner {
  background: rgba(14, 17, 20, 0.84); backdrop-filter: blur(16px);
  border-color: var(--line); box-shadow: 0 14px 40px rgba(0, 0, 0, 0.45);
}
.brand { display: inline-flex; align-items: center; gap: 0.55rem; }
.brand img { width: 30px; height: auto; }
.brand-name { font-family: var(--head); font-weight: 700; font-size: 1.05rem; letter-spacing: -0.02em; color: var(--text); }
.brand-name em { font-style: normal; color: var(--accent); }
.nav-links { display: flex; gap: 1.4rem; margin: 0 auto; }
.nav-links a { font-size: 0.92rem; font-weight: 500; color: var(--text-2); transition: color 0.2s ease; }
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-actions { display: flex; align-items: center; gap: 0.85rem; }
.nav-login { font-size: 0.92rem; font-weight: 500; color: var(--text-2); }
.nav-login:hover { color: var(--text); }
.burger { display: none; background: none; border: 0; padding: 0.4rem; }
.burger span { display: block; width: 22px; height: 1.5px; background: var(--text); margin: 4px 0; }

.drawer {
  position: fixed; inset: 0; background: rgba(11, 13, 15, 0.98); z-index: 140;
  display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none;
  transition: opacity 0.25s ease;
}
.drawer.open { opacity: 1; pointer-events: auto; }
.drawer nav { display: flex; flex-direction: column; gap: 1.2rem; text-align: center; }
.drawer nav a { font-family: var(--head); font-size: 1.45rem; font-weight: 600; color: var(--text); }
.drawer-close { position: absolute; top: 1.2rem; right: 1.4rem; background: none; border: 0; font-size: 2rem; color: var(--text); line-height: 1; }

/* --------------------------------------------------------------- buttons -- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.82rem 1.45rem; border-radius: 999px; font-size: 0.93rem; font-weight: 600;
  border: 1px solid transparent; transition: all 0.22s ease; text-align: center;
}
.btn svg { width: 15px; height: 15px; }
.btn-sm { padding: 0.55rem 1.15rem; font-size: 0.89rem; }
.btn-lg { padding: 0.98rem 1.6rem; font-size: 1rem; }
.btn-primary { background: var(--accent); color: #17130a; }
.btn-primary:hover { background: #ffb43a; transform: translateY(-2px); box-shadow: 0 12px 30px var(--accent-glow); }
.btn-outline { border-color: var(--line-2); color: var(--text); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost { border-color: rgba(23, 19, 10, 0.35); color: #17130a; }
.btn-ghost:hover { background: rgba(23, 19, 10, 0.1); }
.link-arrow {
  display: inline-flex; align-items: center; gap: 0.45rem; font-size: 0.93rem; font-weight: 600;
  color: var(--accent); align-self: flex-start;
}
.link-arrow.sm { font-size: 0.87rem; }
.link-arrow svg { width: 15px; height: 15px; transition: transform 0.2s ease; }
.link-arrow:hover svg { transform: translateX(3px); }

/* ------------------------------------------------------------------ hero -- */
.hero { padding: calc(5.5rem + 2.5vw) 0 0; position: relative; overflow: hidden; }
.hero-glow {
  position: absolute; top: -20%; right: -10%; width: 70vw; height: 70vw; max-width: 900px; max-height: 900px;
  background: radial-gradient(circle, rgba(252, 163, 17, 0.14) 0%, rgba(252, 163, 17, 0.04) 40%, transparent 68%);
  pointer-events: none;
}
.hero-grid-lines {
  position: absolute; inset: 0;
  background-image: linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 92px 100%;
  mask-image: linear-gradient(180deg, #000 0%, transparent 78%);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 78%);
  pointer-events: none;
}
.hero-grid {
  position: relative; display: grid; grid-template-columns: 0.86fr 1.14fr;
  gap: clamp(1.75rem, 3vw, 2.75rem); align-items: center; padding-bottom: clamp(3rem, 6vw, 5rem);
}
.pill {
  display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.4rem 0.9rem;
  border: 1px solid var(--line-2); border-radius: 999px; background: rgba(255, 255, 255, 0.03);
  font-size: 0.76rem; color: var(--text-2);
}
.pill svg { width: 12px; height: 12px; color: var(--accent); }
.hero-copy h1 { margin: 1.1rem 0 0; }
.hero-sub { margin-top: 0.9rem; max-width: 44ch; color: var(--muted); font-size: 1.02rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.8rem; }
.facts { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-top: 1.8rem; }
.facts li {
  display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.52rem 0.95rem;
  border-radius: 999px; background: rgba(252, 163, 17, 0.09);
  border: 1px solid rgba(252, 163, 17, 0.3);
  font-family: var(--sans); font-size: 0.85rem; font-weight: 600; color: var(--text);
}
.facts svg { width: 15px; height: 15px; color: var(--accent); flex: 0 0 auto; }

/* ------------------------------------------------- product mock (shared) -- */
.mock { position: relative; padding: 0 0 8% 0; }
@media (min-width: 1180px) { .hero-art { margin-right: clamp(-7vw, -4vw, 0px); } }
.mock-browser {
  margin: 0; border: 1px solid var(--line-2); border-radius: var(--radius); overflow: hidden;
  background: #0f1215; box-shadow: 0 40px 90px -30px rgba(0, 0, 0, 0.75);
}
.mb-bar {
  display: flex; align-items: center; gap: 0.7rem; padding: 0.55rem 0.8rem;
  background: linear-gradient(#1a2026, #14181c); border-bottom: 1px solid var(--line);
}
.mb-lights { display: flex; gap: 6px; flex: 0 0 auto; }
.mb-lights i { width: 10px; height: 10px; border-radius: 50%; }
.mb-lights i:nth-child(1) { background: #ff5f57; }
.mb-lights i:nth-child(2) { background: #febc2e; }
.mb-lights i:nth-child(3) { background: #28c840; }
.mb-url {
  flex: 1; display: inline-flex; align-items: center; gap: 0.4rem; min-width: 0;
  background: rgba(255, 255, 255, 0.05); border-radius: 999px; padding: 0.26rem 0.7rem;
  font-family: var(--mono); font-size: 0.73rem; color: var(--muted);
}
.mb-url svg { width: 11px; height: 11px; flex: 0 0 auto; }
.mb-url span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mb-tab {
  flex: 0 0 auto; font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--accent); border: 1px solid rgba(252, 163, 17, 0.3);
  border-radius: 999px; padding: 0.18rem 0.5rem;
}
.mb-screen { position: relative; aspect-ratio: 1400 / 743; background: #fff; overflow: hidden; }
.mb-slide {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top center;
  opacity: 0; transform: scale(1.014); transition: opacity 0.85s cubic-bezier(.4, 0, .2, 1), transform 6s linear;
}
.mb-slide.is-active { opacity: 1; transform: scale(1); }
.mb-glare {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(112deg, rgba(255, 255, 255, 0.10) 0%, rgba(255, 255, 255, 0) 34%);
}
.mb-player {
  display: flex; align-items: center; gap: 0.7rem; padding: 0.5rem 0.8rem;
  background: #0f1215; border-top: 1px solid var(--line);
}
@media (min-width: 621px) { .mb-player { padding-right: 26%; } }
.mb-play { width: 24px; height: 24px; flex: 0 0 auto; border: 0; border-radius: 50%; background: var(--accent); color: #17130a; display: grid; place-items: center; }
.mb-play svg { width: 11px; height: 11px; }
.mb-play .is-play { display: none; }
.is-paused .mb-play .is-pause { display: none; }
.is-paused .mb-play .is-play { display: block; }
.mb-track { flex: 0 0 74px; height: 3px; border-radius: 2px; background: rgba(255, 255, 255, 0.12); overflow: hidden; }
.mb-track i { display: block; height: 100%; width: 0; background: var(--accent); }
.mb-cap { flex: 1; min-width: 0; font-size: 0.84rem; color: var(--text-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mb-count { flex: 0 0 auto; font-family: var(--mono); font-size: 0.77rem; color: var(--muted); }
.mb-count b { color: var(--text); font-weight: 500; }

/* iPhone 17 Pro — concentric geometry, matte aluminium rail, Dynamic Island */
.mock-phone { position: absolute; right: -4%; bottom: 0; width: 25%; max-width: 202px; }
.mp-body {
  position: relative; aspect-ratio: 1 / 2.086; border-radius: 17.9% / 8.6%;
  background: linear-gradient(150deg, #4a5164 0%, #32374a 38%, #23262f 70%, #3d4354 100%);
  padding: 1.6%; box-shadow: 0 30px 60px -18px rgba(0, 0, 0, 0.8), 0 0 0 0.5px rgba(255, 255, 255, 0.18);
}
.mp-body::after {
  content: ''; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}
.mp-screen {
  position: relative; height: 100%; border-radius: 14.8% / 7.1%; overflow: hidden;
  background: #000;
}
.mp-slide { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 0.5s cubic-bezier(.4, 0, .2, 1); }
.mp-slide.is-active { opacity: 1; }
.mp-island { position: absolute; top: 1.3%; left: 50%; transform: translateX(-50%); width: 30.3%; height: 4.2%; border-radius: 999px; background: #000; z-index: 2; }
.mp-btn { position: absolute; width: 1.8%; border-radius: 2px; background: linear-gradient(#767f92, #262a33); }
.mp-silent { left: -1.4%; top: 15.5%; height: 5.5%; }
.mp-up { left: -1.4%; top: 23%; height: 7%; }
.mp-down { left: -1.4%; top: 31.5%; height: 7%; }
.mp-power { right: -1.4%; top: 24.5%; height: 11%; }

.mock-badge {
  position: absolute; left: -4%; bottom: 26%; display: flex; align-items: center; gap: 0.6rem;
  background: rgba(15, 18, 21, 0.92); backdrop-filter: blur(10px); border: 1px solid var(--line-2);
  border-radius: 12px; padding: 0.6rem 0.8rem; box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.7); max-width: 226px;
}
.mba-ico { width: 28px; height: 28px; flex: 0 0 auto; border-radius: 8px; background: rgba(252, 163, 17, 0.14); color: var(--accent); display: grid; place-items: center; }
.mba-ico svg { width: 15px; height: 15px; }
.mba-txt { display: grid; gap: 1px; }
.mba-txt strong { font-family: var(--head); font-size: 0.92rem; color: var(--text); font-weight: 600; }

/* --------------------------------------------------------------- marquee -- */
.marquee {
  position: relative; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: var(--bg-2); overflow: hidden; padding: 1rem 0;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track { display: flex; align-items: center; gap: 1.1rem; width: max-content; animation: slide 52s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes slide { to { transform: translateX(-50%); } }
.mq-item {
  display: grid; place-items: center; height: 46px; min-width: 118px; padding: 0.5rem 0.85rem;
  background: #f4f4f2; border-radius: 9px; opacity: 0.82; transition: opacity 0.3s ease, transform 0.3s ease;
}
.mq-item img { max-height: 26px; width: auto; max-width: 100px; object-fit: contain; }
.mq-item:hover { opacity: 1; transform: translateY(-2px); }

/* ----------------------------------------------------------- sec heading -- */
.sec-head { max-width: 60ch; }
.sec-head.centered { margin: 0 auto; text-align: center; display: flex; flex-direction: column; align-items: center; }
.sec-head h2 { margin-top: 0.8rem; }
.sec-sub { margin-top: 0.8rem; font-size: 1.06rem; color: var(--muted); }
.sec-head .link-arrow { margin-top: 1rem; }
.sec-head + * { margin-top: clamp(2.25rem, 4vw, 3.25rem); }

/* -------------------------------------------------------- disclosure UI --- */
.disc { border: 1px solid var(--line); border-radius: var(--radius-sm); background: rgba(255, 255, 255, 0.018); overflow: hidden; }
.disc-head {
  width: 100%; display: flex; align-items: center; gap: 0.7rem; padding: 0.75rem 0.95rem;
  background: none; border: 0; text-align: left; color: var(--text); transition: background 0.2s ease;
}
.disc-head:hover { background: rgba(255, 255, 255, 0.03); }
.disc-ico { color: var(--accent); display: inline-flex; }
.disc-ico svg { width: 16px; height: 16px; }
.disc-label { flex: 1; font-family: var(--head); font-size: 0.96rem; font-weight: 600; letter-spacing: -0.01em; }
.disc-meta { font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.disc-plus { color: var(--muted); display: inline-flex; transition: transform 0.25s ease, color 0.25s ease; }
.disc-plus svg { width: 16px; height: 16px; }
.disc.open .disc-plus { transform: rotate(45deg); color: var(--accent); }
.disc.open { border-color: rgba(252, 163, 17, 0.28); }
.disc-body { display: none; padding: 0 0.95rem 1rem; }
.disc.open > .disc-body { display: block; animation: fadeUp 0.28s ease both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ----------------------------------------------------------------- cards -- */
.card-grid { display: grid; gap: 1.1rem; }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  position: relative; background: var(--card); background-image: var(--carbon);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 1.7rem 1.5rem; overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease; display: flex; flex-direction: column; gap: 0.6rem;
}
.card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: var(--brushed); opacity: 0.6; }
.card:hover { border-color: rgba(252, 163, 17, 0.3); transform: translateY(-3px); }
.card-ico {
  width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center;
  background: rgba(252, 163, 17, 0.1); color: var(--accent); margin-bottom: 0.4rem;
  border: 1px solid rgba(252, 163, 17, 0.18);
}
.card p { font-size: 0.97rem; color: var(--text-2); }
.card-num { position: absolute; top: 0.9rem; right: 1.1rem; font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.14em; color: rgba(255, 255, 255, 0.14); }
.card .disc { margin-top: 0.4rem; }
.card .disc-meta { display: none; }
.card .link-arrow { margin-top: auto; padding-top: 0.6rem; }

/* -------------------------------------------------------------- features -- */
.feat-rail { display: flex; flex-wrap: wrap; gap: 0.4rem; justify-content: center; }
.feat-chip {
  display: inline-flex; align-items: center; gap: 0.45rem; padding: 0.5rem 0.9rem;
  background: rgba(255, 255, 255, 0.025); border: 1px solid var(--line); border-radius: 999px;
  color: var(--text-2); font-size: 0.89rem; font-weight: 500; transition: all 0.2s ease;
}
.feat-chip svg { width: 16px; height: 16px; color: var(--muted); transition: color 0.2s ease; }
.feat-chip:hover { border-color: var(--line-2); color: var(--text); }
.feat-chip.active { background: var(--accent); border-color: var(--accent); color: #17130a; }
.feat-chip.active svg { color: #17130a; }
.feat-stage {
  margin-top: 1.4rem; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); background-image: var(--carbon); position: relative; overflow: hidden;
}
.feat-panel { display: none; padding: clamp(1.5rem, 2.6vw, 2.4rem); }
.feat-panel.active { display: block; animation: fadeUp 0.32s ease both; }
.feat-plate {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding-bottom: 0.9rem; margin-bottom: 1.1rem; border-bottom: 1px dashed var(--line-2);
}
.feat-plate-no { font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.16em; color: var(--muted); }
.feat-plate-bolt { color: rgba(255, 255, 255, 0.16); display: inline-flex; }
.feat-plate-bolt svg { width: 16px; height: 16px; }
.feat-head { display: flex; align-items: center; gap: 0.85rem; }
.feat-head-ico { width: 46px; height: 46px; flex: 0 0 auto; border-radius: 12px; display: grid; place-items: center; background: rgba(252, 163, 17, 0.1); border: 1px solid rgba(252, 163, 17, 0.2); color: var(--accent); }
.feat-head h3 { font-size: clamp(1.2rem, 1.8vw, 1.5rem); }
.feat-blurb { margin: 1rem 0 1.3rem; font-size: 1.08rem; color: var(--text-2); max-width: 74ch; }
.feat-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem 1.8rem; padding-top: 0.4rem; }
.feat-list li { display: grid; grid-template-columns: 18px 1fr; gap: 0.65rem; font-size: 0.95rem; color: var(--text-2); }
.feat-list svg { width: 14px; height: 14px; color: var(--accent); margin-top: 0.3rem; }
.feat-highlight {
  margin-top: 1.2rem; padding: 1rem 1.2rem; border-radius: var(--radius-sm);
  background: rgba(252, 163, 17, 0.06); border-left: 2px solid var(--accent);
}
.feat-highlight p { margin-top: 0.4rem; font-size: 0.96rem; color: var(--text-2); }
.feat-panel .link-arrow { margin-top: 1.3rem; }

/* ------------------------------------------------------- workshop band ---- */
.sec-bay { position: relative; padding: calc(var(--pad) * 0.95) 0; overflow: hidden; isolation: isolate; }
.sec-bay .tape { position: absolute; top: 0; left: 0; right: 0; z-index: 3; }
.bay-media { position: absolute; inset: 0; z-index: -1; }
.bay-media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(0.5) contrast(1.05) brightness(0.46); }
.bay-media::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11, 13, 15, 0.9) 0%, rgba(11, 13, 15, 0.62) 42%, rgba(11, 13, 15, 0.94) 100%);
}
.bay-head { text-align: center; max-width: 52ch; margin: 0 auto; }
.bay-head h2 { margin-top: 0.7rem; }
.bay-types { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0.9rem; margin-top: clamp(2rem, 4vw, 3rem); }
.bay-type {
  background: rgba(18, 22, 26, 0.7); backdrop-filter: blur(6px); border: 1px solid var(--line-2);
  border-radius: var(--radius); padding: 0.55rem 0.55rem 0.75rem; text-align: center; transition: all 0.25s ease;
}
.bay-type:hover { border-color: rgba(252, 163, 17, 0.35); transform: translateY(-3px); }
.bay-type-img { aspect-ratio: 4 / 3; border-radius: var(--radius-sm); overflow: hidden; background: #0d1013; }
.bay-type-img img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(0.15) contrast(1.04) brightness(0.92); transition: transform 0.5s ease, filter 0.4s ease; }
.bay-type:hover .bay-type-img img { transform: scale(1.05); filter: none; }
.bay-type h3 { font-size: 0.96rem; margin-top: 0.7rem; font-weight: 600; }
.bay-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: clamp(2rem, 4vw, 2.75rem);
  border-top: 1px solid var(--line-2); padding-top: clamp(1.5rem, 3vw, 2.25rem);
}
.stat { text-align: center; }
.stat strong { display: block; font-family: var(--head); font-size: clamp(1.8rem, 3.2vw, 2.6rem); font-weight: 700; color: var(--text); letter-spacing: -0.03em; line-height: 1; }
.stat span { display: block; margin-top: 0.5rem; font-family: var(--mono); font-size: 0.76rem; letter-spacing: 0.07em; text-transform: uppercase; color: var(--muted); }
.stat-ticks {
  display: block; height: 8px; margin: 0.7rem auto 0; max-width: 96px;
  background: repeating-linear-gradient(90deg, rgba(252,163,17,.55) 0 1px, transparent 1px 7px);
  border-bottom: 1px solid var(--line-2);
}

/* ---------------------------------------------------------- integrations -- */
.plate-grid { display: grid; grid-template-columns: repeat(9, 1fr); gap: 0.6rem; }
.plate {
  height: 58px; border-radius: var(--radius-sm); background: #f7f7f5; display: grid; place-items: center;
  padding: 0.55rem 0.7rem; overflow: hidden; opacity: 0.92; transition: all 0.25s ease;
}
.plate:hover { opacity: 1; transform: translateY(-2px); }
.plate img { max-height: 34px; width: auto; max-width: 100%; object-fit: contain; }
.plate-photo { height: 138px; background: #f4f4f2; padding: 0.85rem; opacity: 1; }
.plate-photo img { max-height: 112px; }
.intx-all { margin-top: 1.4rem; }
.intx-intro { font-size: 0.97rem; color: var(--muted); margin: 0.4rem 0 1rem; max-width: 78ch; }
.cat-bar { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1.1rem; }
.chip-btn {
  background: transparent; border: 1px solid var(--line); color: var(--text-2);
  padding: 0.45rem 0.95rem; border-radius: 999px; font-size: 0.87rem; transition: all 0.2s ease;
}
.chip-btn:hover { border-color: var(--line-2); color: var(--text); }
.chip-btn.active { background: var(--text); border-color: var(--text); color: #0b0d0f; }
.region-select { display: none; }
.intx-group + .intx-group { margin-top: 1.5rem; }
.intx-cat {
  display: flex; align-items: center; gap: 0.5rem; font-family: var(--mono); font-size: 0.74rem;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.5rem;
}
.intx-cat span { color: var(--accent); }
.intx-rows { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.5rem; }
.intx-row { border: 1px solid var(--line); border-radius: var(--radius-sm); background: rgba(255, 255, 255, 0.018); overflow: hidden; }
.intx-row.open { border-color: rgba(252, 163, 17, 0.28); }
.intx-head { width: 100%; display: flex; align-items: center; gap: 0.7rem; padding: 0.55rem 0.7rem; background: none; border: 0; text-align: left; }
.intx-head:hover { background: rgba(255, 255, 255, 0.03); }
.intx-logo { width: 54px; height: 30px; flex: 0 0 auto; display: grid; place-items: center; background: #f7f7f5; border-radius: 6px; overflow: hidden; padding: 0.2rem; }
.intx-logo img { max-height: 22px; width: auto; max-width: 100%; object-fit: contain; }
.intx-logo em { font-family: var(--head); font-style: normal; font-weight: 700; font-size: 0.72rem; color: #17130a; }
.intx-name { flex: 1; font-size: 0.93rem; font-weight: 500; color: var(--text); }
.intx-plus { color: var(--muted); display: inline-flex; transition: transform 0.25s ease; }
.intx-plus svg { width: 15px; height: 15px; }
.intx-row.open .intx-plus { transform: rotate(45deg); color: var(--accent); }
.intx-body { display: none; padding: 0 0.7rem 0.85rem 0.7rem; }
.intx-row.open .intx-body { display: block; animation: fadeUp 0.25s ease both; }
.intx-body p { font-size: 0.91rem; color: var(--text-2); }
.intx-body p + p { margin-top: 0.4rem; }
.intx-body .link-arrow { margin-top: 0.6rem; }

/* ---------------------------------------------------------------- proven -- */
.cust-card { margin: 0; background: var(--card); background-image: var(--carbon); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.3rem; text-align: center; }
.cust-card .plate-photo { max-width: 200px; margin: 0 auto 0.9rem; }
.cust-card figcaption { font-family: var(--head); font-weight: 600; color: var(--text); font-size: 1.03rem; }

/* --------------------------------------------------------------- pricing -- */
.segmented {
  display: inline-flex; gap: 2px; padding: 4px; border: 1px solid var(--line);
  border-radius: 999px; background: rgba(255, 255, 255, 0.03); margin-top: 1.3rem; flex-wrap: wrap; justify-content: center;
}
.seg { background: none; border: 0; color: var(--text-2); padding: 0.52rem 1.1rem; border-radius: 999px; font-size: 0.9rem; font-weight: 500; transition: all 0.2s ease; }
.seg:hover { color: var(--text); }
.seg.active { background: var(--accent); color: #17130a; }
.plan-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; align-items: start; }
.plan {
  position: relative; background: var(--card); background-image: var(--carbon); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.6rem 1.4rem; display: flex; flex-direction: column; gap: 0.35rem;
  transition: all 0.25s ease;
}
.plan:hover { border-color: var(--line-2); transform: translateY(-3px); }
.plan.featured {
  border-color: rgba(252, 163, 17, 0.5); background-image: var(--carbon), linear-gradient(180deg, rgba(252, 163, 17, 0.07), transparent 55%);
  box-shadow: 0 20px 60px -20px rgba(252, 163, 17, 0.18);
}
.plan-badge {
  position: absolute; top: -10px; left: 1.4rem; background: var(--accent); color: #17130a;
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 0.28rem 0.66rem; border-radius: 999px;
}
.plan-price { font-family: var(--head); font-size: clamp(1.6rem, 2.4vw, 2.05rem); font-weight: 700; color: var(--text); letter-spacing: -0.03em; line-height: 1.1; margin-top: 0.3rem; }
.plan-unit { font-family: var(--mono); font-size: 0.77rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--muted); }
.plan-users { display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.93rem; color: var(--text-2); margin-top: 0.7rem; }
.plan-users svg { width: 14px; height: 14px; color: var(--accent); }
[data-price-cell] { transition: opacity 0.2s ease; }
[data-price-cell].is-updating { opacity: 0; }
.plan .btn { margin-top: 1rem; width: 100%; }
.plan-more { margin-top: 0.7rem; border-color: transparent; background: transparent; }
.plan-more .disc-head { padding: 0.5rem 0; }
.plan-more .disc-label { font-size: 0.91rem; font-weight: 500; color: var(--text-2); }
.plan-more .disc-body { padding: 0 0 0.4rem; }
.plan-list { display: grid; gap: 0.45rem; }
.plan-list li { display: flex; justify-content: space-between; gap: 0.6rem; font-size: 0.88rem; color: var(--text-2); padding-bottom: 0.35rem; border-bottom: 1px solid var(--line); }
.plan-list b { color: var(--text); font-weight: 500; text-align: right; }
.addons { margin-top: 1.5rem; }
.addon-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem; margin-top: 0.4rem; }
.addon { background: rgba(255, 255, 255, 0.02); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 1.1rem; }
.addon h4 { margin-bottom: 0.4rem; font-size: 0.92rem; }
.addon p { font-size: 0.93rem; color: var(--text-2); }
.addons-note { margin-top: 0.8rem; font-family: var(--mono); font-size: 0.77rem; line-height: 1.7; color: var(--muted); }

/* --------------------------------------------------------------- support -- */
.phone-list { display: grid; gap: 0.35rem; }
.phone-list li { display: flex; justify-content: space-between; gap: 0.6rem; font-size: 0.9rem; padding-bottom: 0.3rem; border-bottom: 1px solid var(--line); }
.phone-list span { color: var(--muted); }
.phone-list a { font-family: var(--mono); font-size: 0.86rem; color: var(--text); }
.phone-list a:hover { color: var(--accent); }
.support-note { margin-top: 1.4rem; text-align: center; font-size: 0.85rem; color: var(--muted); }

/* ------------------------------------------------------------------ blog -- */
.blog-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.blog-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; transition: all 0.25s ease; }
.blog-card:hover { border-color: rgba(252, 163, 17, 0.3); transform: translateY(-3px); }
.blog-img { flex: 0 0 38%; overflow: hidden; }
.blog-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.blog-card:hover .blog-img img { transform: scale(1.05); }
.blog-body { padding: 1.2rem 1.3rem; display: flex; flex-direction: column; gap: 0.5rem; }
.blog-body h3 { font-size: 1.12rem; }
.blog-body h3 a:hover { color: var(--accent); }
.blog-body p { font-size: 0.84rem; color: var(--muted); }

/* -------------------------------------------------------------- cta band -- */
.sec-cta { padding-bottom: 0; }
.cta-box {
  position: relative; overflow: hidden; display: grid; grid-template-columns: 1.15fr auto; gap: 2rem;
  align-items: center; padding: clamp(1.9rem, 3.4vw, 3rem); border-radius: 18px;
  background: linear-gradient(120deg, var(--accent) 0%, #ff7a00 100%); color: #17130a;
}
.cta-box .tape { position: absolute; top: 0; left: 0; right: 0; opacity: 0.35; }
.cta-box h2 { color: #17130a; }
.cta-box p { margin-top: 0.7rem; font-size: 1.03rem; color: rgba(23, 19, 10, 0.78); }
.cta-actions { display: flex; flex-wrap: wrap; gap: 0.7rem; }
.cta-box .btn-primary { background: #17130a; color: var(--accent); }
.cta-box .btn-primary:hover { background: #000; box-shadow: none; }

/* --------------------------------------------------------------- contact -- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.25rem, 2.5vw, 2rem); }
.contact-info { display: grid; gap: 1rem; align-content: start; }
.info-card { background: var(--card); background-image: var(--carbon); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem; }
.info-strong { font-family: var(--head); font-weight: 600; color: var(--text); }
.info-row { display: grid; grid-template-columns: 20px 1fr; gap: 0.65rem; margin-top: 0.7rem; font-size: 0.95rem; }
.info-row svg { color: var(--accent); margin-top: 0.2rem; }
.info-row a:hover { color: var(--accent); }
.info-card .disc { margin-top: 1rem; }
.map { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.map iframe { display: block; filter: invert(0.9) hue-rotate(180deg) saturate(0.55) contrast(0.95); }

.cf { background: var(--card); background-image: var(--carbon); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.4rem, 2.4vw, 2rem); display: grid; gap: 0.95rem; }
.cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.95rem; }
.cf-label { display: block; font-family: var(--mono); font-size: 0.76rem; letter-spacing: 0.09em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.4rem; }
.cf-label em { color: var(--accent); font-style: normal; }
.cf input, .cf textarea {
  width: 100%; font-family: var(--sans); font-size: 0.99rem; color: var(--text);
  background: rgba(255, 255, 255, 0.03); border: 1px solid var(--line-2); border-radius: var(--radius-sm);
  padding: 0.72rem 0.9rem; transition: all 0.2s ease;
}
.cf input::placeholder, .cf textarea::placeholder { color: #5d6873; }
.cf input:focus, .cf textarea:focus { outline: none; border-color: var(--accent); background: rgba(252, 163, 17, 0.05); }
.cf textarea { resize: vertical; }
.cf-submit { width: 100%; margin-top: 0.1rem; }
.cf-note { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--muted); text-align: center; }
.form-thanks {
  background: rgba(252, 163, 17, 0.08); border: 1px solid rgba(252, 163, 17, 0.35); border-radius: var(--radius);
  padding: 2.25rem 1.75rem; text-align: center; opacity: 0; transform: translateY(10px); transition: all 0.4s ease;
}
.form-thanks.visible { opacity: 1; transform: none; }
.form-thanks h3 { color: var(--accent); margin-bottom: 0.4rem; }

/* ---------------------------------------------------------------- footer -- */
.footer { position: relative; background: #08090a; padding: 0 0 1.75rem; margin-top: var(--pad); }
.footer > .tape { opacity: 0.55; }
.footer::after {
  content: ''; position: absolute; top: 5px; left: 0; right: 0; height: 70px;
  background: url('../images/pexels/auto-tyre-tread.jpg') center/cover no-repeat;
  filter: grayscale(1) brightness(0.28) contrast(1.15); opacity: 0.5;
  mask-image: linear-gradient(180deg, #000, transparent);
  -webkit-mask-image: linear-gradient(180deg, #000, transparent);
  pointer-events: none;
}
.footer .wrap { position: relative; padding-top: 3.5rem; }
.foot-top { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr 1.15fr; gap: 1.75rem; }
.foot-brand { max-width: 36ch; }
.foot-line { margin-top: 0.9rem; font-size: 0.89rem; color: var(--text-2); }
.socials { display: flex; gap: 0.45rem; margin-top: 1rem; }
.social { width: 32px; height: 32px; border: 1px solid var(--line-2); border-radius: 50%; display: grid; place-items: center; color: var(--text-2); transition: all 0.2s ease; }
.social svg { width: 14px; height: 14px; }
.social:hover { background: var(--accent); border-color: var(--accent); color: #17130a; }
.foot-about { margin-top: 1.1rem; }
.foot-about .disc-label { font-size: 0.8rem; }
.foot-about .disc-body p { font-size: 0.91rem; color: var(--text-2); }
.foot-col ul { margin-top: 0.8rem; display: grid; gap: 0.45rem; }
.foot-col li, .foot-col a { font-size: 0.91rem; color: var(--text-2); }
.foot-col a:hover { color: var(--accent); }
.foot-col .mt { margin-top: 1.3rem; }
.app-badges { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.8rem; }
.app-badge { display: inline-flex; align-items: center; gap: 0.5rem; border: 1px solid var(--line-2); border-radius: var(--radius-sm); padding: 0.45rem 0.7rem; transition: all 0.2s ease; }
.app-badge:hover { border-color: var(--accent); }
.app-badge-ico svg { width: 18px; height: 18px; color: var(--text); }
.app-badge span { display: grid; }
.app-badge small { font-size: 0.75rem; color: var(--muted); }
.app-badge strong { font-family: var(--head); font-size: 0.87rem; color: var(--text); }
.foot-bottom {
  margin-top: 2.5rem; padding-top: 1.2rem; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; justify-content: space-between;
  font-family: var(--mono); font-size: 0.73rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted);
}

/* --------------------------------------------------------------- reveals -- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.visible { opacity: 1; transform: none; }
.d1 { transition-delay: 0.06s; } .d2 { transition-delay: 0.12s; } .d3 { transition-delay: 0.18s; } .d4 { transition-delay: 0.24s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
  .mb-slide { transition: none; }
  html { scroll-behavior: auto; }
}

/* ------------------------------------------------------------ responsive -- */
@media (max-width: 1180px) {
  .plate-grid { grid-template-columns: repeat(6, 1fr); }
  .bay-types { grid-template-columns: repeat(3, 1fr); }
  .plan-grid { grid-template-columns: repeat(2, 1fr); }
  .foot-top { grid-template-columns: 1.4fr 1fr 1fr; }
}
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .burger { display: block; }
  .nav-login { display: none; }
  .nav-inner { background: rgba(14, 17, 20, 0.84); backdrop-filter: blur(16px); border-color: var(--line); }
  .nav-actions { margin-left: auto; }
  .hero-grid { grid-template-columns: 1fr; }
  .cols-4 { grid-template-columns: repeat(2, 1fr); }
  .feat-list { grid-template-columns: 1fr; }
  .cta-box { grid-template-columns: 1fr; }
  .intx-rows { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .cols-3 { grid-template-columns: 1fr; }
  .bay-types { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .bay-stats { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .demo-watermark { font-size: 70px; right: -24px; }
  .foot-top { grid-template-columns: 1fr 1fr; }
  .foot-brand { grid-column: 1 / -1; max-width: none; }
  .blog-card { flex-direction: column; }
  .blog-img { flex: none; aspect-ratio: 16 / 9; }
}
@media (max-width: 620px) {
  .plan-grid { grid-template-columns: 1fr; }
  .plate-grid { grid-template-columns: repeat(4, 1fr); }
  .bay-types { grid-template-columns: 1fr 1fr; }
  .addon-grid { grid-template-columns: 1fr; }
  .cf-row { grid-template-columns: 1fr; }
  .segmented { display: none; }
  .region-select {
    display: block; width: 100%; margin-top: 1.2rem; padding: 0.7rem 0.9rem; font-family: var(--sans);
    font-size: 0.88rem; border: 1px solid var(--line-2); border-radius: 999px; background: var(--card); color: var(--text);
  }
  .concept-switch { font-size: 0.72rem; }
  .concept-switch a { padding: 0.4rem 0.6rem; }
  .foot-top { grid-template-columns: 1fr; }
  .demo-watermark { display: none; }
  .feat-rail { flex-wrap: nowrap; overflow-x: auto; justify-content: flex-start; padding-bottom: 0.5rem; }
  .feat-chip { flex: 0 0 auto; }
  .mock { padding: 0 0 12% 0; }
  .mock-phone { width: 34%; right: 2%; }
  .mock-badge { display: none; }
  .mb-cap { display: none; }
}