/* ============================================================
   言聊 — Landing sections
   ============================================================ */

/* =============== NAV =============== */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 80;
  transition: background .4s var(--ease), border-color .4s, backdrop-filter .4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: color-mix(in oklab, var(--bg) 78%, transparent);
  backdrop-filter: blur(18px) saturate(1.3);
  border-bottom: 1px solid var(--line-2);
}
.nav-inner { display: flex; align-items: center; gap: 28px; height: 74px; }
.brand { display: flex; align-items: center; gap: 11px; font-family: var(--font-display); font-size: 21px; font-weight: 800; letter-spacing: .04em; white-space: nowrap; flex: none; }
.brand .mark {
  width: 38px; height: 38px; border-radius: 11px; flex: none;
  object-fit: cover; border: 1px solid var(--line);
  box-shadow: 0 6px 20px -8px var(--glow-a);
}
.brand { font-weight: 800; }
.nav-links { display: flex; gap: 6px; margin-left: 14px; }
.nav-links a {
  padding: 9px 15px; border-radius: 100px; font-size: 14.5px; color: var(--ink-soft);
  transition: color .25s, background .25s;
}
.nav-links a:hover { color: var(--ink); background: rgba(255,255,255,0.05); }
.nav-cta { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; width: 42px; height: 42px; border-radius: 12px; border: 1px solid var(--line); }
.nav-toggle span { display: block; width: 18px; height: 1.5px; background: var(--ink); margin: 4px auto; transition: .3s; }

/* mobile menu */
.m-menu { position: fixed; inset: 0; z-index: 79; background: color-mix(in oklab, var(--bg) 96%, transparent); backdrop-filter: blur(20px); display: none; flex-direction: column; padding: 100px var(--gutter) 40px; gap: 6px; }
.m-menu.open { display: flex; }
.m-menu a { font-family: var(--font-display); font-size: 26px; padding: 16px 0; border-bottom: 1px solid var(--line-2); }

/* =============== HERO common =============== */
.hero { position: relative; padding-top: 132px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero-grid-lines { position: absolute; inset: 0; opacity: .5;
  background-image: linear-gradient(var(--line-2) 1px, transparent 1px), linear-gradient(90deg, var(--line-2) 1px, transparent 1px);
  background-size: 64px 64px; mask-image: radial-gradient(120% 80% at 50% 0%, #000 30%, transparent 75%); }
.hero-glow-a { width: 620px; height: 620px; top: -200px; right: -120px; background: radial-gradient(circle, var(--glow-a), transparent 65%); filter: blur(50px); position: absolute; border-radius: 50%; }
.hero-glow-b { width: 520px; height: 520px; bottom: -240px; left: -120px; background: radial-gradient(circle, var(--glow-b), transparent 65%); filter: blur(55px); position: absolute; border-radius: 50%; }

.hero h1 { font-family: var(--font-display); letter-spacing: -0.02em; }
.hero .lede { color: var(--ink-soft); font-weight: 300; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 12px; }

.hero-proof { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.hero-proof .it { display: flex; flex-direction: column; gap: 2px; }
.hero-proof .n { font-family: var(--font-latin); font-size: 30px; font-weight: 600; line-height: 1; color: var(--ink); white-space: nowrap; }
.hero-proof .k { font-size: 12.5px; color: var(--muted); letter-spacing: .02em; }
.hero-proof .vr { width: 1px; height: 34px; background: var(--line); }

/* hide all variants by default, show active */
.hero-variant { display: none; }
:root[data-hero="v1"] .hero-variant.v1,
:root[data-hero="v2"] .hero-variant.v2,
:root[data-hero="v3"] .hero-variant.v3 { display: block; }

/* ---- V1 : split ---- */
.v1 .v1-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(30px, 5vw, 70px); align-items: center; padding-bottom: 56px; }
.v1 h1 { font-size: clamp(40px, 6.2vw, 84px); font-weight: 800; letter-spacing: -0.03em; }
.v1 h1 .line2 { display: block; }
.v1 .lede { font-size: clamp(16px, 1.5vw, 19px); max-width: 40ch; margin-top: 26px; }
.v1 .hero-cta { margin-top: 36px; }
.v1 .hero-proof { margin-top: 44px; }
.v1 .hero-stage { position: relative; display: grid; place-items: center; }
.hero-appicon {
  position: absolute; right: -2%; top: -2%; z-index: 4;
  width: 88px; height: 88px; border-radius: 22px; object-fit: cover;
  border: 1px solid rgba(255,255,255,.1);
  box-shadow: 0 18px 44px -10px var(--glow-a), 0 0 0 1px rgba(255,255,255,.04), 0 0 60px -10px var(--glow-b);
}
.v1 .hero-stage .float-card { position: absolute; z-index: 3; }
.v1 .hero-stage .pop-1 { left: -8%; top: 16%; }
.v1 .hero-stage .pop-2 { right: -10%; bottom: 14%; }
@media (max-width: 600px) {
  .hero-appicon { width: 64px; height: 64px; right: 4%; }
  .v1 .hero-stage .pop-1 { left: -2%; }
  .v1 .hero-stage .pop-2 { right: -2%; }
}

/* ---- V2 : centered cinematic ---- */
.v2 .v2-inner { text-align: center; display: flex; flex-direction: column; align-items: center; padding-bottom: 60px; }
.v2 h1 { font-size: clamp(44px, 8vw, 116px); font-weight: 600; letter-spacing: -0.025em; }
.v2 .lede { font-size: clamp(16px, 1.5vw, 20px); max-width: 50ch; margin: 30px auto 0; }
.v2 .hero-cta { margin-top: 38px; justify-content: center; }
.v2 .hero-stage { margin-top: 18px; position: relative; width: 100%; display: grid; place-items: center; }
.v2 .float-card { position: absolute; z-index: 3; }
.v2 .float-1 { left: 2%; top: 24%; }
.v2 .float-2 { right: 2%; top: 14%; }
.v2 .float-3 { right: 7%; bottom: 16%; }

/* ---- V3 : editorial / oriental ---- */
.v3 .v3-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(30px,5vw,60px); align-items: end; padding-bottom: 80px; }
.v3 .mega { font-family: var(--font-display); font-size: clamp(48px, 9vw, 140px); font-weight: 600; line-height: .98; letter-spacing: -0.02em; }
.v3 .mega .accentword { color: transparent; background: linear-gradient(100deg, var(--accent-bright), var(--accent-2)); -webkit-background-clip: text; background-clip: text; font-style: italic; }
.v3 .v3-side { font-family: var(--font-display); writing-mode: vertical-rl; font-size: 15px; letter-spacing: .55em; color: var(--muted); height: 230px; }
.v3 .lede { font-size: clamp(15px,1.4vw,18px); max-width: 46ch; margin-top: 30px; }
.v3 .hero-cta { margin-top: 32px; }
.v3 .v3-stage { position: relative; }
.v3 .rule { width: 100%; height: 1px; background: var(--line); margin: 40px 0 26px; }
.v3 .hero-proof { margin-top: 0; }

/* =============== PHONE MOCKUP =============== */
.phone {
  position: relative; width: 300px; aspect-ratio: 300 / 620;
  border-radius: 46px; padding: 11px;
  background: linear-gradient(155deg, #2b2630, #131016 60%);
  box-shadow:
    0 2px 2px rgba(255,255,255,.06) inset,
    0 0 0 1px rgba(255,255,255,.04),
    0 50px 90px -30px rgba(0,0,0,.8),
    0 20px 50px -20px var(--glow-a);
}
.phone::after { content: ""; position: absolute; top: 20px; left: 50%; transform: translateX(-50%); width: 96px; height: 26px; background: #0a0809; border-radius: 100px; z-index: 5; }
.phone-screen { position: relative; width: 100%; height: 100%; border-radius: 36px; overflow: hidden; background: radial-gradient(120% 90% at 50% 0%, #241c2a, #0e0b12 70%); }

.phone-float { animation: floaty 7s var(--ease) infinite; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
@media (prefers-reduced-motion: reduce){ .phone-float { animation: none; } }

/* --- in-app: status bar --- */
.app-status { display: flex; justify-content: space-between; align-items: center; padding: 14px 22px 6px; font-size: 12px; color: var(--ink); font-weight: 500; }
.app-status .r { display: flex; gap: 5px; align-items: center; }

/* --- mock screen: video match --- */
.scr { position: absolute; inset: 0; display: flex; flex-direction: column; }
.scr-video { background: radial-gradient(130% 80% at 50% 10%, #2a2030, #0c0a10); }
.vm-top { padding: 6px 18px 0; display: flex; justify-content: space-between; align-items: center; }
.vm-tag { font-size: 11px; color: var(--gold-bright); border: 1px solid color-mix(in oklab, var(--gold) 40%, transparent); padding: 4px 10px; border-radius: 100px; background: color-mix(in oklab, var(--gold) 12%, transparent); }
.vm-online { font-size: 11px; color: var(--ink-soft); display: flex; gap: 6px; align-items: center; }
.vm-stage { flex: 1; position: relative; margin: 14px; border-radius: 22px; overflow: hidden; }
.ph-photo { position: absolute; inset: 0; background:
   repeating-linear-gradient(135deg, rgba(255,255,255,.045) 0 10px, rgba(255,255,255,.015) 10px 20px),
   linear-gradient(160deg, #241d4a, #121029); }
.ph-photo.warm { background: repeating-linear-gradient(135deg, rgba(255,255,255,.05) 0 10px, rgba(255,255,255,.015) 10px 20px), linear-gradient(160deg, #3a1f4e, #181030); }
.ph-label { position: absolute; bottom: 8px; left: 10px; font-family: var(--font-sans); font-size: 9px; letter-spacing: .12em; color: rgba(255,255,255,.5); text-transform: uppercase; }
.vm-pip { position: absolute; right: 12px; bottom: 12px; width: 78px; height: 104px; border-radius: 14px; overflow: hidden; border: 1.5px solid rgba(255,255,255,.5); box-shadow: 0 10px 24px -8px #000; }
.vm-name { position: absolute; left: 12px; bottom: 12px; z-index: 3; }
.vm-name b { font-size: 15px; font-weight: 500; display: block; }
.vm-name span { font-size: 10.5px; color: rgba(255,255,255,.7); }
.vm-ctl { display: flex; justify-content: center; gap: 18px; padding: 10px 0 22px; }
.vm-btn { width: 50px; height: 50px; border-radius: 50%; display: grid; place-items: center; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); }
.vm-btn.end { background: linear-gradient(180deg,#ff6a6a,#e23b56); border: none; }
.vm-btn svg { width: 22px; height: 22px; }
.vm-match { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); z-index: 4; text-align: center; }
.vm-match .ring { width: 116px; height: 116px; border-radius: 50%; border: 2px solid var(--gold); display: grid; place-items: center; margin: 0 auto 10px; box-shadow: 0 0 0 6px color-mix(in oklab,var(--gold) 18%, transparent), 0 0 40px var(--glow-a); }
.vm-match .heart { font-size: 34px; }

/* --- mock screen: discovery feed --- */
.scr-feed { padding: 0; }
.fd-head { padding: 4px 16px 8px; }
.fd-head h4 { font-family: var(--font-display); font-size: 19px; }
.fd-tabs { display: flex; gap: 14px; margin-top: 8px; font-size: 12px; color: var(--muted); }
.fd-tabs .on { color: var(--ink); position: relative; }
.fd-tabs .on::after { content:""; position:absolute; left:0; right:0; bottom:-6px; height:2px; background: var(--accent); border-radius: 2px; }
.fd-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; padding: 6px 14px 16px; overflow: hidden; }
.fd-card { border-radius: 16px; overflow: hidden; position: relative; aspect-ratio: 3/4; border: 1px solid var(--line-2); }
.fd-card .meta { position: absolute; left: 8px; bottom: 7px; right: 8px; }
.fd-card .meta b { font-size: 12px; font-weight: 500; display: flex; align-items: center; gap: 5px; }
.fd-card .meta span { font-size: 9.5px; color: rgba(255,255,255,.7); }
.fd-on { width: 6px; height: 6px; border-radius: 50%; background: #57e08a; box-shadow: 0 0 0 3px rgba(87,224,138,.25); }

/* --- mock screen: voice room --- */
.scr-voice { background: radial-gradient(130% 80% at 50% 0%, #2a2433, #0c0a12); padding: 0; }
.vc-head { text-align: center; padding: 14px 16px 6px; }
.vc-head .t { font-family: var(--font-display); font-size: 17px; }
.vc-head .s { font-size: 11px; color: var(--muted); margin-top: 2px; }
.vc-seats { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px 8px; padding: 18px 18px 8px; }
.vc-seat { text-align: center; }
.vc-seat .av { width: 56px; height: 56px; border-radius: 50%; margin: 0 auto 6px; position: relative; }
.vc-seat .av.speaking { box-shadow: 0 0 0 2px var(--accent), 0 0 0 7px color-mix(in oklab,var(--accent) 22%, transparent); }
.vc-seat .nm { font-size: 10px; color: var(--ink-soft); }
.vc-bar { margin-top: auto; padding: 12px 16px 20px; display: flex; gap: 10px; align-items: center; }
.vc-input { flex: 1; height: 36px; border-radius: 100px; background: rgba(255,255,255,.06); border: 1px solid var(--line); display: flex; align-items: center; padding: 0 14px; font-size: 11px; color: var(--muted); }
.vc-mic { width: 38px; height: 38px; border-radius: 50%; background: linear-gradient(180deg,var(--gold-bright),var(--accent)); display: grid; place-items: center; }

/* avatar placeholder fills */
.av-ph { background: linear-gradient(150deg,#2c2a55,#16142e); }
.av-ph.a { background: linear-gradient(150deg,#4a2456,#1e1638); }
.av-ph.b { background: linear-gradient(150deg,#1e3a5c,#10203a); }
.av-ph.c { background: linear-gradient(150deg,#143f52,#0e2430); }
.av-ph.d { background: linear-gradient(150deg,#3a2a5c,#1a1638); }

/* small floating UI card (hero v2) */
.float-card {
  background: color-mix(in oklab, var(--surface) 80%, transparent);
  backdrop-filter: blur(14px);
  border: 1px solid var(--line); border-radius: 16px; padding: 12px 15px;
  box-shadow: 0 24px 50px -22px rgba(0,0,0,.7);
  display: flex; align-items: center; gap: 11px;
}
.float-card .av { width: 38px; height: 38px; border-radius: 50%; flex: none; }
.float-card .tx b { font-size: 13px; font-weight: 500; display: block; }
.float-card .tx span { font-size: 11px; color: var(--muted); }


/* =============== STATS BAND =============== */
.stats { border-block: 1px solid var(--line-2); background: linear-gradient(180deg, var(--bg-1), var(--bg)); }
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); }
.stat { padding: clamp(34px,5vw,62px) 26px; text-align: center; border-left: 1px solid var(--line-2); position: relative; }
.stat:first-child { border-left: 0; }
.stat .n { font-family: var(--font-latin); font-size: clamp(40px,6vw,72px); font-weight: 600; line-height: 1; letter-spacing: -.01em; }
.stat .n .suf { font-size: .5em; color: var(--accent); margin-left: 2px; }
.stat .k { margin-top: 12px; font-size: 14px; color: var(--muted); letter-spacing: .02em; }

/* =============== FEATURES =============== */
.feat-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 30px; flex-wrap: wrap; margin-bottom: 42px; }
.feat-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; }
.feat {
  padding: 36px; border-radius: var(--radius-lg); position: relative;
  background: linear-gradient(180deg, var(--surface), var(--bg-1));
  border: 1px solid var(--line); overflow: hidden;
  transition: transform .5s var(--ease-out), border-color .4s;
}
.feat:hover { transform: translateY(-4px); border-color: color-mix(in oklab,var(--accent) 38%, var(--line)); }
.feat::before { content:""; position: absolute; inset: 0; background: radial-gradient(80% 60% at 15% 0%, var(--glow-a), transparent 60%); opacity: 0; transition: opacity .5s; }
.feat:hover::before { opacity: .5; }
.feat .ico { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; margin-bottom: 22px; position: relative;
  background: linear-gradient(150deg, color-mix(in oklab,var(--accent) 24%, var(--surface)), var(--surface)); border: 1px solid var(--line); }
.feat .ico svg { width: 28px; height: 28px; color: var(--accent-bright); }
.feat h3 { font-family: var(--font-display); font-size: 25px; font-weight: 700; margin-bottom: 12px; position: relative; }
.feat p { color: var(--ink-soft); font-size: 15px; font-weight: 300; position: relative; max-width: 42ch; }
.feat .idx { position: absolute; top: 30px; right: 34px; font-family: var(--font-latin); font-size: 15px; color: var(--faint); }

/* =============== SHOWCASE =============== */
.showcase { background: linear-gradient(180deg, var(--bg), var(--bg-1)); overflow: hidden; }
.show-grid { display: grid; grid-template-columns: 1fr; gap: 44px; }

/* hero featured screenshot */
.hero-shot {
  position: relative; z-index: 2; margin: 0;
  width: min(288px, 68vw);
  border-radius: 30px; overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 40px 90px -30px #000, 0 0 80px -22px var(--glow-a), 0 0 0 1px rgba(255,255,255,.04);
  transform: rotate(-2deg);
}
.hero-shot img { width: 100%; display: block; }

/* showcase screenshots row */
.show-stage.shots {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(12px, 1.6vw, 22px);
  align-items: start; perspective: none;
}
.shot-card {
  margin: 0; border-radius: 22px; overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px -30px #000, 0 0 0 1px rgba(255,255,255,.03);
  transition: transform .5s var(--ease-out), box-shadow .4s;
}
.shot-card img { width: 100%; display: block; }
.shot-card.lift { transform: translateY(-26px); }
.shot-card:hover { transform: translateY(-6px); box-shadow: 0 30px 70px -28px #000, 0 0 56px -18px var(--glow-a); }
.shot-card.lift:hover { transform: translateY(-32px); }
@media (max-width: 860px) {
  .show-stage.shots { grid-template-columns: 1fr 1fr; gap: 14px; }
  .shot-card.lift { transform: none; }
  .shot-card.lift:hover { transform: translateY(-6px); }
}
.show-stage { display: flex; justify-content: center; gap: clamp(16px,3vw,44px); align-items: flex-end; perspective: 1600px; }
.show-stage .phone { flex: none; }
.show-stage .phone.lift { transform: translateY(-34px); }
.show-feats { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.show-feat { text-align: center; padding: 26px; }
.show-feat .ico { width: 46px; height: 46px; margin: 0 auto 16px; display: grid; place-items: center; color: var(--accent-bright); border-radius: 14px; border: 1px solid var(--line); background: rgba(255,255,255,.02); }
.show-feat h4 { font-family: var(--font-display); font-size: 19px; margin-bottom: 8px; }
.show-feat p { font-size: 13.5px; color: var(--muted); }

/* online companions proof row */
.online-proof { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; justify-content: center; margin-top: 4px; }
.av-stack { display: inline-flex; }
.av-stack img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; border: 2px solid var(--bg); margin-left: -12px; box-shadow: 0 6px 16px -6px rgba(0,0,0,.7); }
.av-stack img:first-child { margin-left: 0; }
.online-proof .txt { font-size: 14.5px; color: var(--ink-soft); display: inline-flex; align-items: center; }
.online-proof .txt b { color: var(--ink); font-weight: 700; margin-right: 4px; }
.online-proof .odot { width: 8px; height: 8px; border-radius: 50%; background: #57e08a; box-shadow: 0 0 0 4px rgba(87,224,138,.18); margin-right: 8px; flex: none; }

/* =============== SAFETY =============== */
.safety { position: relative; overflow: hidden; }
.safety-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(36px,6vw,84px); align-items: center; }
.safe-list { display: grid; gap: 16px; }
.safe-item { display: flex; gap: 18px; padding: 24px; border-radius: var(--radius); border: 1px solid var(--line); background: rgba(255,255,255,.014); transition: border-color .4s, background .4s, transform .4s var(--ease-out); }
.safe-item:hover { border-color: color-mix(in oklab,var(--accent) 36%, var(--line)); background: rgba(255,255,255,.03); transform: translateX(4px); }
.safe-item .ico { width: 48px; height: 48px; flex: none; border-radius: 13px; display: grid; place-items: center; color: #1a1208; background: linear-gradient(150deg, var(--gold-bright), var(--accent)); }
.safe-item .ico svg { width: 24px; height: 24px; }
.safe-item h4 { font-size: 18px; font-weight: 500; margin-bottom: 5px; }
.safe-item p { font-size: 14px; color: var(--ink-soft); font-weight: 300; }

.safety-visual { position: relative; display: grid; place-items: center; min-height: 420px; }
.shield { position: relative; width: 280px; height: 280px; border-radius: 50%; display: grid; place-items: center;
  background: radial-gradient(circle, color-mix(in oklab,var(--accent) 14%, transparent), transparent 70%); }
.shield-ring { position: absolute; border: 1px solid var(--line); border-radius: 50%; }
.shield-ring.r1 { inset: -30px; } .shield-ring.r2 { inset: -70px; opacity: .6; } .shield-ring.r3 { inset: -110px; opacity: .3; }
.shield-core { width: 130px; height: 130px; border-radius: 38px; display: grid; place-items: center; color: #1a1208;
  background: linear-gradient(150deg, var(--gold-bright), var(--accent)); box-shadow: 0 30px 70px -20px var(--glow-a); }
.shield-core svg { width: 60px; height: 60px; }
.orbit-chip { position: absolute; padding: 8px 14px; border-radius: 100px; font-size: 12.5px; white-space: nowrap;
  background: color-mix(in oklab,var(--surface) 85%, transparent); backdrop-filter: blur(10px); border: 1px solid var(--line); display: flex; gap: 7px; align-items: center; }
.orbit-chip .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--jade); }
.oc1 { top: 4%; left: 50%; transform: translateX(-50%); }
.oc2 { top: 40%; right: -6%; }
.oc3 { bottom: 6%; left: 46%; transform: translateX(-50%); }
.oc4 { top: 42%; left: -8%; }

/* =============== SCENES =============== */
.scene-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.scene {
  padding: 30px 26px; border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--surface), var(--bg-1));
  transition: transform .5s var(--ease-out), border-color .4s;
}
.scene:hover { transform: translateY(-4px); border-color: color-mix(in oklab, var(--accent) 38%, var(--line)); }
.scene .ico { width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center; color: var(--accent-bright); border: 1px solid var(--line); background: rgba(255,255,255,.025); margin-bottom: 20px; }
.scene .ico svg { width: 25px; height: 25px; }
.scene h3 { font-size: 19px; font-weight: 700; margin-bottom: 9px; }
.scene p { font-size: 14px; color: var(--ink-soft); font-weight: 400; }
@media (max-width: 860px) { .scene-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .scene-grid { grid-template-columns: 1fr; } }

/* =============== TESTIMONIALS =============== */
.tst-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.tst { padding: 30px; border-radius: var(--radius); border: 1px solid var(--line); background: linear-gradient(180deg, var(--surface), var(--bg-1)); display: flex; flex-direction: column; gap: 18px; }
.tst .stars { display: flex; gap: 3px; color: var(--accent); }
.tst .stars svg { width: 16px; height: 16px; }
.tst p { font-family: var(--font-display); font-size: 17.5px; line-height: 1.6; color: var(--ink); flex: 1; }
.tst .who { display: flex; align-items: center; gap: 12px; }
.tst .who .av { width: 42px; height: 42px; border-radius: 50%; flex: none; }
.tst .who b { font-size: 14px; font-weight: 500; display: block; }
.tst .who span { font-size: 12px; color: var(--muted); }

/* =============== ARTICLES preview =============== */
.art-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.art {
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line);
  background: var(--bg-1); transition: transform .5s var(--ease-out), border-color .4s;
  display: flex; flex-direction: column;
}
.art:hover { transform: translateY(-5px); border-color: color-mix(in oklab,var(--accent) 36%, var(--line)); }
.art .thumb { aspect-ratio: 16/10; position: relative; overflow: hidden; }
.art .thumb .ph-photo { transition: transform .8s var(--ease-out); }
.art:hover .thumb .ph-photo { transform: scale(1.06); }
.art .cat { position: absolute; top: 14px; left: 14px; font-size: 11px; letter-spacing: .08em; padding: 5px 11px; border-radius: 100px; background: color-mix(in oklab,var(--bg) 70%, transparent); backdrop-filter: blur(6px); border: 1px solid var(--line); color: var(--accent-bright); }
.art .body { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 11px; flex: 1; }
.art h3 { font-family: var(--font-display); font-size: 21px; line-height: 1.3; }
.art .ex { font-size: 14px; color: var(--ink-soft); font-weight: 300; flex: 1; }
.art .meta { font-size: 12.5px; color: var(--muted); display: flex; gap: 10px; align-items: center; margin-top: 4px; }

/* =============== CTA =============== */
.cta { position: relative; overflow: hidden; }
.cta-card { position: relative; border-radius: var(--radius-lg); padding: clamp(48px,7vw,96px) var(--gutter); text-align: center; overflow: hidden;
  border: 1px solid var(--line); background: linear-gradient(180deg, var(--surface-2), var(--bg-1)); }
.cta-card .glow { z-index: 0; }
.cta-card > * { position: relative; z-index: 1; }
.cta h2 { font-family: var(--font-display); font-size: clamp(34px,5.5vw,72px); font-weight: 600; letter-spacing: -.02em; }
.cta .stars-line { display: inline-flex; align-items: center; gap: 12px; color: var(--muted); font-size: 14px; margin-top: 22px; white-space: nowrap; flex-wrap: wrap; justify-content: center; }
.cta .stars-line .s { color: var(--accent); letter-spacing: 2px; }
.cta-dl { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 34px; }

/* qr */
.qr { width: 92px; height: 92px; border-radius: 14px; background: #fff; padding: 8px; display: none; }

/* =============== FOOTER =============== */
.foot { border-top: 1px solid var(--line-2); background: var(--bg-1); padding-block: 64px 30px; }
.foot-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.foot-brand .brand { margin-bottom: 16px; }
.foot-brand p { color: var(--muted); font-size: 14px; max-width: 30ch; font-weight: 300; }
.foot-col h5 { font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); margin-bottom: 18px; font-weight: 500; }
.foot-col a { display: block; padding: 7px 0; font-size: 14.5px; color: var(--ink-soft); transition: color .25s; }
.foot-col a:hover { color: var(--accent-bright); }
.foot-bot { margin-top: 52px; padding-top: 26px; border-top: 1px solid var(--line-2); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: center; font-size: 13px; color: var(--muted); }
.foot-bot a { color: var(--muted); } .foot-bot a:hover { color: var(--ink-soft); }

/* =============== RESPONSIVE =============== */
@media (max-width: 980px) {
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: block; }
  .nav-cta { margin-left: auto; }
  .v1 .v1-grid { grid-template-columns: 1fr; text-align: center; gap: 40px; }
  .v1 .lede { margin-inline: auto; }
  .v1 .hero-cta, .v1 .hero-proof { justify-content: center; }
  .v3 .v3-grid { grid-template-columns: 1fr; }
  .v3 .v3-side { display: none; }
  .v3 .v3-stage { display: none; }
  .feat-grid, .show-feats, .tst-grid, .art-grid { grid-template-columns: 1fr 1fr; }
  .safety-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line-2); }
  .stat:nth-child(odd) { border-left: 0; }
  .foot-top { grid-template-columns: 1fr 1fr; gap: 30px; }
  .foot-brand { grid-column: 1 / -1; }
  .v2 .float-card { display: none; }
}
@media (max-width: 600px) {
  .feat-grid, .show-feats, .tst-grid, .art-grid, .stats-grid { grid-template-columns: 1fr; }
  .stat { border-left: 0 !important; border-bottom: 1px solid var(--line-2); }
  .feat { padding: 28px 24px; }
  .show-stage .phone:not(.lift) { display: none; }
  .hero-proof .vr { display: none; }
  .foot-top { grid-template-columns: 1fr; }
  .phone { width: 264px; }
}