/* =========================================================================
   2B Pak Kong Au — Owner-Direct Sale
   Design system + three switchable aesthetic themes
   ========================================================================= */

:root{
  --maxw: 1180px;
  --pad: clamp(20px, 5vw, 72px);
  --radius: 4px;
  --radius-lg: 8px;
  --ease: cubic-bezier(.22,.61,.36,1);

  --font-display: "Cormorant Garamond", "Noto Serif TC", Georgia, serif;
  --font-body: "Noto Sans TC", system-ui, -apple-system, sans-serif;
  --font-mono: "Space Mono", ui-monospace, monospace;
}

/* ---- THEME A : Sai Kung Natural (default) — clean white + bold accent -- */
:root[data-theme="natural"]{
  --bg:        oklch(0.993 0.001 200);
  --bg-2:      oklch(0.967 0.004 210);
  --surface:   oklch(1 0 0);
  --ink:       oklch(0.205 0.018 215);
  --muted:     oklch(0.455 0.020 215);
  --line:      oklch(0.912 0.006 210);
  --line-2:    oklch(0.845 0.012 210);
  --accent:    oklch(0.520 0.155 152);
  --accent-ink:oklch(0.410 0.140 152);
  --accent-soft:oklch(0.935 0.070 152);
  --clay:      oklch(0.620 0.185 32);
  --clay-soft: oklch(0.930 0.060 40);
  --hero-tint: oklch(0.22 0.03 215 / .5);
  --font-display: "Cormorant Garamond", "Noto Serif TC", serif;
  --disp-weight: 600;
}

/* ---- THEME B : Editorial Ink ------------------------------------------ */
:root[data-theme="ink"]{
  --bg:        oklch(0.962 0.005 85);
  --bg-2:      oklch(0.935 0.006 85);
  --surface:   oklch(0.995 0.003 85);
  --ink:       oklch(0.205 0.006 60);
  --muted:     oklch(0.45 0.008 65);
  --line:      oklch(0.86 0.006 70);
  --line-2:    oklch(0.78 0.008 70);
  --accent:    oklch(0.545 0.062 62);
  --accent-ink:oklch(0.42 0.06 62);
  --accent-soft:oklch(0.93 0.028 70);
  --clay:      oklch(0.50 0.05 28);
  --clay-soft: oklch(0.93 0.03 40);
  --hero-tint: oklch(0.20 0.01 60 / .58);
  --font-display: "Cormorant Garamond", "Noto Serif TC", serif;
  --disp-weight: 600;
}

/* ---- THEME C : Coastal Bright ----------------------------------------- */
:root[data-theme="coastal"]{
  --bg:        oklch(0.978 0.009 225);
  --bg-2:      oklch(0.955 0.013 225);
  --surface:   oklch(0.997 0.004 225);
  --ink:       oklch(0.285 0.03 248);
  --muted:     oklch(0.49 0.03 248);
  --line:      oklch(0.89 0.018 232);
  --line-2:    oklch(0.82 0.025 232);
  --accent:    oklch(0.555 0.084 232);
  --accent-ink:oklch(0.43 0.08 240);
  --accent-soft:oklch(0.93 0.035 232);
  --clay:      oklch(0.62 0.08 52);
  --clay-soft: oklch(0.94 0.035 55);
  --hero-tint: oklch(0.26 0.05 245 / .52);
  --font-display: "Noto Sans TC", system-ui, sans-serif;
  --disp-weight: 700;
  --radius: 10px;
  --radius-lg: 16px;
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "kern" 1;
  overflow-x: hidden;
}
img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; }

/* ---- type helpers ----------------------------------------------------- */
.kicker{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent-ink);
  font-weight: 700;
  white-space: nowrap;
}
.display{
  font-family: var(--font-display);
  font-weight: var(--disp-weight);
  line-height: 1.04;
  letter-spacing: -0.01em;
}
[data-theme="coastal"] .display{ letter-spacing:-0.02em; }
.serif-num{ font-family: var(--font-display); font-weight:var(--disp-weight); }

.wrap{ max-width: var(--maxw); margin:0 auto; padding-inline: var(--pad); }
.section{ padding-block: clamp(56px, 9vw, 130px); }

.sec-head{ max-width: 760px; }
.sec-head h2{
  font-family: var(--font-display);
  font-weight: var(--disp-weight);
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin-top: 14px;
}
.sec-head p{ color: var(--muted); font-size: clamp(15px,1.4vw,18px); margin-top: 18px; max-width: 60ch; }

/* ---- buttons ---------------------------------------------------------- */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding: 14px 24px;
  border-radius: var(--radius);
  font-size: 15px; font-weight: 600;
  border: 1px solid transparent;
  transition: transform .25s var(--ease), background .2s, color .2s, border-color .2s;
  white-space: nowrap;
}
.btn:active{ transform: translateY(1px); }
.btn-primary{ background: var(--accent); color: #fff; }
.btn-primary:hover{ background: var(--accent-ink); }
.btn-ghost{ background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn-ghost:hover{ border-color: var(--ink); }
.btn-dark{ background: var(--ink); color: var(--bg); }
.btn-dark:hover{ opacity:.9; }
.btn-light{ background: var(--bg); color: var(--ink); }
.btn-light:hover{ opacity:.88; }

/* =========================================================================
   NAV
   ========================================================================= */
.nav{
  position: sticky; top:0; z-index: 50;
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--line);
}
.nav-in{ max-width: var(--maxw); margin:0 auto; padding: 14px var(--pad);
  display:flex; align-items:center; justify-content:space-between; gap:20px; }
.brand{ display:flex; align-items:center; gap:12px; }
.brand .mark{
  width:34px; height:34px; border-radius: 50%;
  border:1.5px solid var(--accent); color:var(--accent-ink);
  display:grid; place-items:center; font-family:var(--font-display);
  font-weight:700; font-size:17px; flex:none;
}
.brand b{ font-family: var(--font-display); font-weight:600; font-size:17px; letter-spacing:.01em; white-space:nowrap; }
.brand small{ display:block; font-family:var(--font-mono); font-size:10px; letter-spacing:.14em;
  text-transform:uppercase; color:var(--muted); margin-top:-2px; }
.nav-links{ display:flex; align-items:center; gap:28px; }
.nav-links a{ font-size:14px; color:var(--muted); transition:color .2s; }
.nav-links a:hover{ color:var(--ink); }
.nav-right{ display:flex; align-items:center; gap:14px; }

.lang-switch{ display:inline-flex; border:1px solid var(--line-2); border-radius:999px; overflow:hidden; }
.lang-switch button{
  background:transparent; border:none; padding:7px 13px; font-size:12.5px; font-weight:600;
  color:var(--muted); font-family:var(--font-mono); letter-spacing:.05em;
}
.lang-switch button.on{ background:var(--ink); color:var(--bg); }

.nav-toggle{ display:none; background:transparent; border:1px solid var(--line-2); border-radius:var(--radius);
  width:40px; height:36px; align-items:center; justify-content:center; color:var(--ink); transition:background .2s, border-color .2s; }
.nav-toggle.on{ background:var(--ink); color:var(--bg); border-color:var(--ink); }

.nav-menu{ border-top:1px solid var(--line); padding:8px var(--pad) 16px; display:grid; gap:2px; }
.nav-menu a{ padding:13px 4px; font-size:16px; color:var(--ink); border-bottom:1px solid var(--line); cursor:pointer; }
.nav-menu .btn{ margin-top:14px; width:100%; }

/* =========================================================================
   HERO
   ========================================================================= */
.hero{ position:relative; }
.hero-media{ position:absolute; inset:0; overflow:hidden; }
.hero-media .layers{ position:absolute; inset:0; }
.hero-photo{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; object-position:center 46%; filter:saturate(1.08) brightness(1.06); }
.hero-fg{ position:absolute; left:0; right:0; bottom:-2px; width:100%; height:clamp(90px,16vh,190px); display:block; }
.hero-media::after{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(96deg, color-mix(in oklab, var(--ink) 64%, transparent) 0%, color-mix(in oklab, var(--ink) 22%, transparent) 40%, transparent 62%),
    linear-gradient(180deg, transparent 40%, color-mix(in oklab, var(--ink) 55%, transparent) 100%);
}
.hero-in{ position:relative; z-index:2; max-width:var(--maxw); margin:0 auto; padding: clamp(60px,11vw,120px) var(--pad) clamp(46px,7vw,80px); }
.hero-grid{ display:grid; grid-template-columns: 1.25fr .9fr; gap: clamp(28px,5vw,70px); align-items:end; }
.hero h1{
  font-family:var(--font-display); font-weight:var(--disp-weight);
  color:#fff; font-size: clamp(40px, 7vw, 92px); line-height:.98; letter-spacing:-0.015em;
}
.hero .sub{ color: rgba(255,255,255,.86); font-size: clamp(16px,1.7vw,21px); margin-top:24px; max-width:30ch; }
.hero .kicker{ color: color-mix(in oklab, var(--accent-soft) 92%, white); }
.hero-badge{ display:inline-flex; align-items:center; gap:9px; padding:9px 16px; border-radius:999px;
  background: var(--clay); border:1px solid transparent; white-space:nowrap;
  color:#fff; font-family:var(--font-mono); font-size:11.5px; letter-spacing:.12em; text-transform:uppercase;
  box-shadow:0 10px 26px -10px color-mix(in oklab, var(--clay) 80%, transparent); }
.hero-price{ background: color-mix(in oklab, var(--surface) 92%, transparent); backdrop-filter: blur(10px);
  border:1px solid rgba(255,255,255,.5); border-radius: var(--radius-lg); padding: clamp(22px,3vw,32px); }
.hero-price .label{ font-family:var(--font-mono); font-size:11px; letter-spacing:.18em; text-transform:uppercase; color:var(--muted); }
.hero-price .amt{ font-family:var(--font-display); font-weight:var(--disp-weight); font-size: clamp(38px,5vw,60px);
  line-height:1; margin:6px 0 2px; }
.hero-price .psf{ color:var(--muted); font-size:14px; }
.hero-stats{ display:grid; grid-template-columns: repeat(2,1fr); gap:1px; background:var(--line);
  border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; margin-top:20px; }
.hero-stats div{ background:var(--surface); padding:13px 15px; }
.hero-stats b{ font-family:var(--font-display); font-weight:var(--disp-weight); font-size:24px; display:block; }
.hero-stats span{ font-size:11.5px; color:var(--muted); font-family:var(--font-mono); letter-spacing:.04em; }
.hero-cta{ display:flex; flex-wrap:wrap; gap:12px; margin-top:22px; }
.hero-cta .btn{ flex:1 1 auto; justify-content:center; }
.hero-scroll{ display:flex; gap:14px; align-items:center; margin-top:clamp(40px,6vw,64px); color:rgba(255,255,255,.7);
  font-family:var(--font-mono); font-size:11px; letter-spacing:.18em; text-transform:uppercase; }
.hero-scroll .ln{ width:50px; height:1px; background:rgba(255,255,255,.5); }

/* ---- vibe + lifestyle (combined) -------------------------------------- */
.vibe-section{ background:var(--bg-2); }
.vibe-banner{ position:relative; min-height:clamp(400px,56vh,580px); display:flex; align-items:center; overflow:hidden; }
.vibe-banner img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; object-position:center 48%; filter:saturate(1.07) brightness(1.06); }
.vibe-banner::after{ content:""; position:absolute; inset:0;
  background: linear-gradient(92deg, color-mix(in oklab, var(--ink) 60%, transparent), color-mix(in oklab, var(--ink) 24%, transparent) 48%, transparent 76%); }
.vibe-in{ position:relative; z-index:2; }
.vibe-in h2{ font-family:var(--font-display); font-weight:var(--disp-weight); color:#fff;
  font-size:clamp(34px,6vw,80px); line-height:1.0; letter-spacing:-0.01em; margin-top:14px; max-width:16ch; text-wrap:balance; text-shadow:0 2px 24px rgba(0,0,0,.28); }
.vibe-in p{ color:#fff; font-size:clamp(16px,1.7vw,21px); margin-top:22px; max-width:48ch; line-height:1.6; text-shadow:0 1px 14px rgba(0,0,0,.32); }
.lifestyle-cards{ padding-block: clamp(48px,7vw,92px); }

/* =========================================================================
   GENERIC
   ========================================================================= */
.eyebrow-row{ display:flex; align-items:center; gap:14px; }
.eyebrow-row .ln{ height:1px; width:46px; background:var(--line-2); }

.cards{ display:grid; gap: clamp(14px,1.6vw,20px); }
.feature-card{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-lg);
  padding: clamp(22px,2.4vw,30px); transition: border-color .25s, transform .25s var(--ease); }
.feature-card:hover{ border-color: var(--line-2); transform: translateY(-3px); }
.feature-card .num{ font-family:var(--font-mono); font-size:12px; color:var(--accent-ink); letter-spacing:.1em; }
.feature-card h3{ font-family:var(--font-display); font-weight:var(--disp-weight); font-size:clamp(21px,2.2vw,27px);
  margin:14px 0 8px; line-height:1.1; }
.feature-card p{ color:var(--muted); font-size:15px; }
.feature-card .ic{ width:46px; height:46px; border-radius:50%; display:grid; place-items:center;
  background:var(--accent-soft); color:var(--accent-ink); margin-bottom:6px; }
.feature-card .ic svg{ width:22px; height:22px; }

/* surroundings tiles */
.tile{ position:relative; border-radius:var(--radius-lg); overflow:hidden; background:var(--bg-2);
  border:1px solid var(--line); min-height:320px; display:flex; flex-direction:column; justify-content:flex-end; }
.tiles-2{ grid-template-columns: repeat(4, 1fr); }
@media (max-width:1080px){ .tiles-2{ grid-template-columns: repeat(3,1fr); } }
@media (max-width:680px){
  .tiles-2{ grid-template-columns: repeat(2,1fr); gap:12px; }
  .tiles-2 .tile{ min-height:230px; }
  .tiles-2 .tile:nth-child(n+5){ display:none; }
}
.tile .cap{ position:relative; z-index:2; padding:20px 22px; }
.tile .cap .pin{ display:inline-block; font-family:var(--font-mono); font-size:11.5px; font-weight:700; letter-spacing:.04em;
  color:#fff; background:color-mix(in oklab, var(--clay) 92%, white); padding:5px 11px; border-radius:999px; text-transform:none; }
.tile .cap .t{ font-family:var(--font-display); font-weight:var(--disp-weight); font-size:25px; color:#fff; line-height:1.08; margin-top:10px; }
.tile .cap .d{ color:rgba(255,255,255,.92); font-size:15px; margin-top:5px; line-height:1.4; }
.tile img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.tile::after{ content:""; position:absolute; inset:0; background:linear-gradient(180deg, transparent 30%, rgba(20,28,22,.82)); z-index:1; }

/* photo placeholder (striped) */
.ph{ position:relative; background:
    repeating-linear-gradient(135deg, var(--bg-2), var(--bg-2) 11px, color-mix(in oklab,var(--bg-2) 70%, var(--line)) 11px, color-mix(in oklab,var(--bg-2) 70%, var(--line)) 22px);
  display:grid; place-items:center; color:var(--muted); }
.ph span{ font-family:var(--font-mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase;
  background:var(--surface); border:1px solid var(--line); padding:5px 11px; border-radius:999px; }

/* gallery */
.gallery{ display:grid; grid-template-columns: repeat(12,1fr); gap:clamp(10px,1.2vw,16px); }
.gphoto{ position:relative; overflow:hidden; border-radius:var(--radius-lg); border:1px solid var(--line);
  background:var(--bg-2); cursor:pointer; }
.gphoto img{ width:100%; height:100%; object-fit:cover; transition: transform .5s var(--ease); }
.gphoto:hover img{ transform: scale(1.05); }
.gphoto .cap{ position:absolute; left:0; right:0; bottom:0; z-index:2; padding:16px;
  background:linear-gradient(180deg,transparent, rgba(18,24,20,.78)); color:#fff;
  font-size:13px; opacity:0; transform:translateY(8px); transition:.3s var(--ease); }
.gphoto:hover .cap{ opacity:1; transform:none; }
.gphoto .cap b{ display:block; font-family:var(--font-display); font-weight:var(--disp-weight); font-size:17px; }

/* facts table */
.facts{ display:grid; grid-template-columns: repeat(2,1fr); border:1px solid var(--line); border-radius:var(--radius-lg); overflow:hidden; }
.facts .row{ display:flex; justify-content:space-between; gap:16px; padding:17px 22px; border-bottom:1px solid var(--line);
  background:var(--surface); }
.facts .row .k{ color:var(--muted); font-size:14px; }
.facts .row .v{ font-weight:600; text-align:right; font-size:15px; }
.facts .row .v .em{ font-family:var(--font-display); font-weight:var(--disp-weight); font-size:18px; }

/* key numbers band + why list (combined house facts) */
.keynums{ display:grid; grid-template-columns: 1.5fr repeat(4,1fr); gap:1px; background:var(--line);
  border:1px solid var(--line); border-radius:var(--radius-lg); overflow:hidden; margin-bottom:clamp(34px,4vw,56px); }
.keynums .kn{ background:var(--surface); padding:24px 22px; display:flex; flex-direction:column; gap:5px; justify-content:center; }
.keynums .kn b{ font-family:var(--font-display); font-weight:var(--disp-weight); font-size:clamp(26px,3vw,42px); line-height:1; }
.keynums .kn-sub{ font-family:var(--font-mono); font-size:11.5px; letter-spacing:.03em; color:var(--muted); }
.keynums .kn-label{ font-family:var(--font-mono); font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--accent-ink); }
.keynums .kn-price{ background:var(--ink); }
.keynums .kn-price b{ color:#fff; }
.keynums .kn-price .kn-label{ color:color-mix(in oklab,#fff 78%, var(--ink)); }
.keynums .kn-price .kn-sub{ color:rgba(255,255,255,.72); }
@media (max-width:860px){ .keynums{ grid-template-columns:1fr 1fr; } .keynums .kn-price{ grid-column:1 / -1; } }
.hf-grid{ display:grid; grid-template-columns: 1fr 0.82fr; gap:clamp(28px,4vw,56px); align-items:start; }
@media (max-width:860px){ .hf-grid{ grid-template-columns:1fr; } }
.why-list{ display:grid; gap:0; }
.why-row{ display:grid; grid-template-columns:48px 1fr; gap:18px; padding:20px 0; border-top:1px solid var(--line); }
.why-row:last-child{ border-bottom:1px solid var(--line); }
.why-n{ font-family:var(--font-display); font-weight:var(--disp-weight); font-size:26px; color:var(--accent); line-height:1; }
.why-row h4{ font-size:18px; margin-bottom:4px; }
.why-row p{ color:var(--muted); font-size:15px; line-height:1.5; }

/* house gallery — featured + captioned grid */
.feature-photo{ position:relative; border-radius:var(--radius-lg); overflow:hidden; cursor:pointer; border:1px solid var(--line); }
.feature-photo img{ width:100%; height:clamp(280px,42vw,520px); object-fit:cover; display:block; transition:transform .6s var(--ease); }
.feature-photo:hover img{ transform:scale(1.03); }
.feature-photo .fp-cap{ position:absolute; left:0; right:0; bottom:0; z-index:2; padding:30px 32px; color:#fff;
  background:linear-gradient(180deg,transparent, color-mix(in oklab,var(--ink) 80%, transparent)); }
.feature-photo .fp-cap .lbl{ font-family:var(--font-display); font-weight:var(--disp-weight); font-size:clamp(24px,3vw,38px); line-height:1.05; }
.feature-photo .fp-cap .dsc{ font-size:15.5px; color:rgba(255,255,255,.9); margin-top:5px; max-width:52ch; }
.gal-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(14px,1.6vw,22px); margin-top:clamp(14px,1.6vw,22px); }
@media (max-width:860px){ .gal-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:520px){ .gal-grid{ grid-template-columns:1fr; } }
.gal-item{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-lg); overflow:hidden; cursor:pointer;
  transition:border-color .25s, transform .25s var(--ease), box-shadow .25s; }
.gal-item:hover{ border-color:var(--line-2); transform:translateY(-3px); box-shadow:0 16px 36px -22px color-mix(in oklab,var(--ink) 50%, transparent); }
.gal-img{ overflow:hidden; }
.gal-img img{ width:100%; height:200px; object-fit:cover; display:block; transition:transform .5s var(--ease); }
.gal-item:hover .gal-img img{ transform:scale(1.05); }
.gal-item figcaption{ padding:15px 17px; }
.gal-item figcaption b{ display:block; font-family:var(--font-display); font-weight:var(--disp-weight); font-size:19px; }
.gal-item figcaption span{ font-size:14px; color:var(--muted); }

/* split / location */
.split{ display:grid; grid-template-columns: 1fr 1fr; gap:clamp(28px,4vw,60px); align-items:center; }

/* crypto */
.crypto{ background: var(--ink); color: var(--bg); border-radius: var(--radius-lg); overflow:hidden; position:relative; }
.crypto .inner{ padding: clamp(34px,5vw,68px); position:relative; z-index:2; }
.crypto h2{ font-family:var(--font-display); font-weight:var(--disp-weight); color:var(--bg);
  font-size:clamp(28px,4.2vw,48px); line-height:1.04; }
.crypto p{ color: color-mix(in oklab, var(--bg) 72%, var(--ink)); margin-top:16px; max-width:54ch; font-size:16px; }
.coins{ display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:10px; margin-top:28px; }
.coin{ display:flex; align-items:center; gap:11px; padding:12px 16px; border-radius:var(--radius);
  border:1px solid color-mix(in oklab, var(--bg) 22%, transparent);
  background:color-mix(in oklab, var(--bg) 5%, transparent); }
.coin .sym{ width:30px; height:30px; border-radius:50%; display:grid; place-items:center; font-weight:700;
  font-family:var(--font-mono); font-size:13px; flex:none; }
.coin b{ font-size:14px; color:var(--bg); line-height:1.2; }
.coin small{ display:block; font-size:10.5px; color:color-mix(in oklab, var(--bg) 60%, var(--ink)); font-family:var(--font-mono); }
@media (max-width:380px){ .coins{ grid-template-columns:1fr 1fr; } }

/* process steps */
.steps{ counter-reset: step; display:grid; gap:0; }
.step{ display:grid; grid-template-columns: 76px 1fr; gap:24px; padding:26px 0; border-top:1px solid var(--line); align-items:start; }
.step:last-child{ border-bottom:1px solid var(--line); }
.step .n{ counter-increment: step; font-family:var(--font-display); font-weight:var(--disp-weight);
  font-size:46px; color:var(--accent); line-height:.9; }
.step h4{ font-size:19px; margin-bottom:5px; }
.step p{ color:var(--muted); font-size:15px; }

/* faq */
.faq-item{ border-top:1px solid var(--line); }
.faq-item:last-child{ border-bottom:1px solid var(--line); }
.faq-q{ width:100%; background:transparent; border:none; text-align:left; display:flex; justify-content:space-between;
  gap:20px; align-items:center; padding:24px 4px; color:var(--ink); font-size:clamp(16px,1.8vw,20px);
  font-family:var(--font-display); font-weight:var(--disp-weight); }
.faq-q .pm{ flex:none; width:26px; height:26px; border:1px solid var(--line-2); border-radius:50%; display:grid;
  place-items:center; transition:transform .3s var(--ease), background .2s; color:var(--accent-ink); }
.faq-item.open .faq-q .pm{ background:var(--accent); color:#fff; border-color:var(--accent); transform:rotate(45deg); }
.faq-a{ overflow:hidden; max-height:0; transition:max-height .4s var(--ease); }
.faq-a .pad{ padding:0 4px 24px; color:var(--muted); font-size:15.5px; max-width:70ch; }

/* disclosure */
.disclosure{ background:var(--bg-2); border:1px solid var(--line); border-radius:var(--radius-lg); padding:clamp(24px,3vw,40px); }
.disclosure p{ color:var(--muted); font-size:14px; max-width:90ch; }
.disclosure p + p{ margin-top:14px; }

/* map / diagram frames */
.diagram{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-lg); overflow:hidden; }
.diagram svg{ display:block; width:100%; height:auto; }

/* footer */
.foot{ background:var(--ink); color:var(--bg); padding-block: clamp(44px,6vw,72px); }
.foot-top{ display:flex; align-items:center; justify-content:space-between; gap:30px; flex-wrap:wrap; }
.foot .brand .mark{ border-color:color-mix(in oklab, var(--bg) 55%, transparent); color:var(--bg); }
.foot .brand b{ color:var(--bg); }
.foot .brand small{ color:color-mix(in oklab, var(--bg) 55%, var(--ink)); }
.foot-tag{ margin-top:14px; font-size:14px; color:color-mix(in oklab, var(--bg) 70%, var(--ink)); max-width:42ch; }
.foot-bottom{ margin-top:clamp(28px,4vw,44px); padding-top:22px;
  border-top:1px solid color-mix(in oklab, var(--bg) 16%, transparent);
  display:flex; align-items:flex-start; justify-content:space-between; gap:20px; flex-wrap:wrap; }
.foot small{ color:color-mix(in oklab, var(--bg) 52%, var(--ink)); font-size:12px; font-family:var(--font-mono); line-height:1.6; }
.foot-bottom small:first-child{ max-width:62ch; }
@media (max-width:600px){ .foot-top{ align-items:flex-start; } .foot-top .btn{ width:100%; } }

/* contact modal */
.modal-bg{ position:fixed; inset:0; z-index:80; background:color-mix(in oklab, var(--ink) 55%, transparent);
  backdrop-filter:blur(6px); display:grid; place-items:center; padding:20px; opacity:0; pointer-events:none; transition:opacity .3s; }
.modal-bg.show{ opacity:1; pointer-events:auto; }
.modal{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-lg); width:min(440px,100%);
  padding:clamp(26px,3vw,38px); transform:translateY(14px) scale(.98); transition:transform .35s var(--ease); }
.modal-bg.show .modal{ transform:none; }
.contact-row{ display:flex; align-items:center; gap:14px; padding:15px 16px; border:1px solid var(--line);
  border-radius:var(--radius); margin-top:10px; transition:border-color .2s, transform .2s; }
.contact-row:hover{ border-color:var(--accent); transform:translateX(3px); }
.contact-row .ic{ width:40px; height:40px; border-radius:10px; display:grid; place-items:center; flex:none; color:#fff; }
.contact-row b{ font-size:15px; }
.contact-row small{ display:block; color:var(--muted); font-size:12.5px; }

/* reveal on scroll — pure CSS, scroll-driven (survives React re-renders).
   Falls back to fully-visible where unsupported. */
.reveal{ opacity:1; transform:none; }
@supports (animation-timeline: view()){
  @media (prefers-reduced-motion: no-preference){
    .reveal{
      animation: revealIn linear both;
      animation-timeline: view();
      animation-range: entry 2% cover 16%;
    }
  }
}
@keyframes revealIn{
  from{ opacity:0; transform: translateY(26px); }
  to{ opacity:1; transform: none; }
}

/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width: 1000px){
  .nav-links{ display:none; }
  .nav-cta{ display:none; }
  .nav-toggle{ display:flex; }
  .nav-in{ padding-block:10px; }
  .hero-grid{ grid-template-columns: 1fr; align-items:start; }
  .hero-price{ order:2; }
  .split{ grid-template-columns:1fr; }
  .facts{ grid-template-columns:1fr; }
}
@media (max-width: 600px){
  .nav-in{ padding-block:9px; gap:12px; }
  .brand .mark{ width:30px; height:30px; font-size:15px; }
  .brand b{ font-size:15px; }
  .brand small{ font-size:9px; }
  .hero-cta{ flex-direction:column; }
  .hero-cta .btn{ width:100%; }
  .step{ grid-template-columns: 52px 1fr; gap:16px; }
  .step .n{ font-size:34px; }
}

/* mobile frame preview helper (for side-by-side showcase) */
.device{ width:390px; height:844px; border-radius:46px; border:11px solid var(--ink);
  overflow:hidden; background:#000; box-shadow:0 40px 90px -30px rgba(0,0,0,.5); flex:none; position:relative; }
.device iframe{ width:100%; height:100%; border:none; }