/* ============================================================================
   لیندا — landing page. Self-contained (nothing from the app's CSS).
   Brand: the logo's teal as the primary, the app's rose as the second colour (hearts, likes, the 3D heart).
   Mobile-first; tablet from 600px, desktop from 900px. Vazirmatn self-hosted (fonts/).
   ============================================================================ */
@font-face { font-family: 'Vazirmatn'; src: url('fonts/Vazirmatn-wght.woff2') format('woff2'); font-weight: 100 900; font-display: swap; }

:root {
  --primary: #1F7A74;
  --primary-deep: #155E59;
  --primary-ink: #125550;
  --primary-soft: #DDF2EF;
  --primary-tint: #EEF8F6;
  --second: #E11D48;
  --second-ink: #9F1239;
  --second-soft: #FFE4EA;
  --bg: #F5FAF9;
  --surface: #FFFFFF;
  --surface-2: #F0F7F5;
  --border: #DCEBE8;
  --border-strong: #BFE3DE;
  --text: #10302D;
  --text-2: #3F5F5B;
  --text-3: #5C7773;
  --on-dark: #FFFFFF;
  --dark: #0E2A28;
  --dark-2: #123634;
  --cta-gradient: linear-gradient(135deg, #2A8C84 0%, #155E59 100%);
  --brand-gradient: linear-gradient(120deg, #1F7A74 0%, #3FBDB3 45%, #E11D48 100%);
  --shadow-1: 0 1px 2px rgba(16, 48, 45, .05), 0 2px 8px rgba(16, 48, 45, .05);
  --shadow-2: 0 10px 30px rgba(16, 48, 45, .10);
  --shadow-3: 0 24px 60px rgba(21, 94, 89, .18);
  --r-sm: 10px; --r-md: 14px; --r-lg: 20px; --r-xl: 28px; --r-pill: 999px;
  --fs-13: 13px; --fs-14: 14px; --fs-15: 15px; --fs-16: 16px; --fs-18: 18px; --fs-20: 20px; --fs-24: 24px;
  --sp-4: 4px; --sp-8: 8px; --sp-12: 12px; --sp-16: 16px; --sp-20: 20px; --sp-24: 24px; --sp-32: 32px; --sp-48: 48px; --sp-64: 64px; --sp-96: 96px;
  --tap: 48px;
  --ease: cubic-bezier(.2, .8, .2, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --dur-1: 160ms; --dur-2: 260ms; --dur-3: 480ms; --dur-4: 800ms;
  --header-h: 64px;
  --container: 1120px;
  --gutter: 16px;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 12px); }
body { margin: 0; font-family: 'Vazirmatn', system-ui, -apple-system, 'Segoe UI', Tahoma, sans-serif; font-size: var(--fs-16); line-height: 1.8; color: var(--text); background: var(--bg); overflow-x: hidden; -webkit-font-smoothing: antialiased; }
body.nav-open { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { margin: 0; line-height: 1.5; font-weight: 800; text-wrap: balance; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.accent { color: var(--primary); }
.accent-light { color: #7FE0D6; }
.nowrap { white-space: nowrap; }
.skip { position: absolute; top: -60px; inset-inline-start: 12px; z-index: 100; padding: 10px 16px; border-radius: var(--r-md); background: var(--text); color: #fff; text-decoration: none; }
.skip:focus { top: 12px; }
:focus-visible { outline: 3px solid var(--primary); outline-offset: 3px; border-radius: 6px; }
/* the shared icon sprite: every inline <svg><use> is a 2px stroke icon unless a component says otherwise */
svg use { pointer-events: none; }

/* animated gradient text (hero title accent) */
@supports (-webkit-background-clip: text) or (background-clip: text) {
  .accent-anim { background: linear-gradient(90deg, #1F7A74, #3FBDB3, #E11D48, #1F7A74); background-size: 300% 100%; -webkit-background-clip: text; background-clip: text; color: transparent; animation: gradient-shift 9s ease-in-out infinite; }
}
@keyframes gradient-shift { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }

/* scroll progress (top edge) */
.scroll-progress { position: fixed; top: 0; inset-inline: 0; z-index: 60; height: 3px; background: var(--brand-gradient); transform: scaleX(0); transform-origin: right; pointer-events: none; }

/* buttons */
.btn { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: var(--tap); padding: 0 22px; border: 1.5px solid transparent; border-radius: var(--r-pill); font: inherit; font-size: var(--fs-15); font-weight: 700; line-height: 1; text-decoration: none; cursor: pointer; touch-action: manipulation; overflow: hidden; transition: transform var(--dur-2) var(--ease-out), box-shadow var(--dur-2) var(--ease), background-color var(--dur-2), color var(--dur-2), border-color var(--dur-2); }
.btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--cta-gradient); color: var(--on-dark); box-shadow: 0 6px 18px rgba(31, 122, 116, .28); }
.btn-primary::after { content: ''; position: absolute; inset: 0; background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, .28) 50%, transparent 70%); transform: translateX(120%); transition: transform var(--dur-4) var(--ease-out); pointer-events: none; }
.btn-primary:hover { box-shadow: 0 12px 28px rgba(31, 122, 116, .36); transform: translateY(-2px); }
.btn-primary:hover::after { transform: translateX(-120%); }
.btn-outline { background: var(--surface); color: var(--primary-ink); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary-tint); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text); }
.btn-ghost:hover { background: var(--primary-tint); color: var(--primary-ink); }
.btn-sm { min-height: 42px; padding: 0 16px; font-size: var(--fs-14); }
.btn-lg { min-height: 54px; padding: 0 28px; font-size: var(--fs-16); }
.btn-on-dark { background: #fff; color: var(--primary-ink); box-shadow: 0 8px 24px rgba(0, 0, 0, .2); }
.btn-on-dark:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(0, 0, 0, .26); }
.btn-ghost-dark { background: rgba(255, 255, 255, .12); color: #fff; border-color: rgba(255, 255, 255, .45); }
.btn-ghost-dark:hover { background: rgba(255, 255, 255, .22); }

/* ---------- header ---------- */
.site-header { position: sticky; top: 0; z-index: 50; height: var(--header-h); background: rgba(245, 250, 249, .82); -webkit-backdrop-filter: blur(14px) saturate(1.4); backdrop-filter: blur(14px) saturate(1.4); border-bottom: 1px solid transparent; transition: border-color var(--dur-2), box-shadow var(--dur-2), background-color var(--dur-2); }
.site-header.scrolled { border-color: var(--border); box-shadow: var(--shadow-1); background: rgba(245, 250, 249, .92); }
.header-inner { display: flex; align-items: center; gap: var(--sp-16); height: 100%; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-logo { width: 40px; height: 40px; border-radius: 12px; transition: transform var(--dur-3) var(--ease-out); }
.brand:hover .brand-logo { transform: rotate(-8deg) scale(1.06); }
.brand-name { font-size: var(--fs-20); font-weight: 900; color: var(--primary-ink); }
.main-nav { display: none; }
.main-nav a { position: relative; display: block; padding: 10px 12px; border-radius: var(--r-sm); color: var(--text-2); font-weight: 600; text-decoration: none; transition: color var(--dur-1), background-color var(--dur-1); }
.main-nav a::after { content: ''; position: absolute; inset-inline: 12px; bottom: 6px; height: 2px; border-radius: 2px; background: var(--primary); transform: scaleX(0); transform-origin: right; transition: transform var(--dur-2) var(--ease-out); }
.main-nav a:hover, .main-nav a.is-active { color: var(--primary-ink); }
.main-nav a:hover::after, .main-nav a.is-active::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: 8px; margin-inline-start: auto; }
.header-actions .btn-ghost { display: none; }
.nav-toggle { position: relative; display: inline-flex; flex-direction: column; justify-content: center; gap: 5px; width: var(--tap); height: var(--tap); margin-inline-start: -8px; padding: 0 12px; border: 0; border-radius: var(--r-md); background: transparent; cursor: pointer; }
.nav-toggle span { display: block; height: 2px; border-radius: 2px; background: var(--text); transition: transform var(--dur-2) var(--ease), opacity var(--dur-2); }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
/* mobile menu: full-width sheet under the header. Absolute (not fixed): the header's backdrop-filter makes it the
   containing block for fixed children, so a fixed sheet would collapse to the header's height. */
.main-nav.open { display: flex; flex-direction: column; position: absolute; top: 100%; inset-inline-start: 0; width: min(320px, 86vw); height: calc(100vh - var(--header-h)); height: calc(100dvh - var(--header-h)); z-index: 49; padding: var(--sp-16); padding-bottom: calc(var(--sp-24) + env(safe-area-inset-bottom, 0px)); background: var(--bg); border-top: 1px solid var(--border); border-inline-end: 1px solid var(--border); box-shadow: -16px 0 40px rgba(16, 48, 45, .12); overflow-y: auto; animation: slide-in var(--dur-3) var(--ease-out); }
.main-nav.open > a { min-height: var(--tap); display: flex; align-items: center; font-size: var(--fs-18); animation: fade-up var(--dur-3) var(--ease-out) both; animation-delay: calc(var(--d, 0ms) + 40ms); }
.main-nav.open a::after { display: none; }
.nav-cta { display: none; }
.main-nav.open .nav-cta { display: flex; flex-direction: column; gap: 10px; margin-top: auto; padding-top: var(--sp-16); border-top: 1px solid var(--border); animation: fade-up var(--dur-3) var(--ease-out) both; animation-delay: calc(var(--d, 0ms) + 60ms); }
.nav-backdrop { position: fixed; inset: 0; z-index: 45; background: rgba(16, 48, 45, .35); opacity: 0; pointer-events: none; transition: opacity var(--dur-3); }
body.nav-open .nav-backdrop { opacity: 1; pointer-events: auto; }
@keyframes slide-in { from { opacity: 0; transform: translateX(24px); } to { opacity: 1; transform: none; } }
@keyframes fade-up { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ---------- hero ---------- */
.hero { position: relative; padding: var(--sp-32) 0 var(--sp-64); overflow: hidden; background: linear-gradient(180deg, #E6F4F2 0%, var(--bg) 100%); }
/* the Three.js host fills the hero; the CSS glows stay underneath as the no-WebGL fallback */
.hero-scene { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero-scene.has-scene { pointer-events: auto; }
.hero-canvas { position: absolute; inset: 0; width: 100% !important; height: 100% !important; display: block; }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(60px); opacity: .55; pointer-events: none; animation: glow-drift 14s ease-in-out infinite; }
.hero-glow-1 { width: 420px; height: 420px; inset-inline-end: -160px; top: -120px; background: radial-gradient(circle, #8FD6CE 0%, transparent 70%); }
.hero-glow-2 { width: 360px; height: 360px; inset-inline-start: -140px; bottom: -80px; background: radial-gradient(circle, #FDA4AF 0%, transparent 70%); animation-delay: -5s; }
.hero-glow-3 { width: 260px; height: 260px; inset-inline-start: 40%; top: 30%; background: radial-gradient(circle, #B8EBE5 0%, transparent 70%); opacity: .4; animation-delay: -9s; }
@keyframes glow-drift { 0%, 100% { transform: translate3d(0, 0, 0) scale(1); } 50% { transform: translate3d(-24px, 18px, 0) scale(1.08); } }
.hero-inner { position: relative; z-index: 1; display: grid; gap: var(--sp-48); align-items: center; pointer-events: none; }
.hero-inner a, .hero-inner button { pointer-events: auto; }
.hero-hint { position: absolute; z-index: 1; bottom: 58px; inset-inline-start: 50%; transform: translateX(50%); margin: 0; padding: 4px 12px; border-radius: var(--r-pill); background: rgba(255,255,255,.7); color: var(--primary-ink); font-size: 12px; pointer-events: none; opacity: 0; transition: opacity var(--dur-3); }
.hero-scene.has-scene ~ .hero-hint { opacity: 1; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; max-width: 100%; padding: 8px 14px; border: 1px solid var(--border); border-radius: var(--r-pill); background: var(--surface); color: var(--second-ink); font-size: var(--fs-14); font-weight: 600; box-shadow: var(--shadow-1); }
.hero-badge svg { width: 18px; height: 18px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.hero-title { margin-top: var(--sp-20); font-size: clamp(30px, 7.2vw, 54px); line-height: 1.35; letter-spacing: -.01em; }
.hero-desc { max-width: 56ch; margin-top: var(--sp-16); color: var(--text-2); font-size: var(--fs-16); }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--sp-12); margin-top: var(--sp-24); }
.hero-actions .btn { flex: 1 1 200px; }
.hero-points { display: flex; flex-direction: column; gap: 8px; margin-top: var(--sp-24); color: var(--text-2); font-size: var(--fs-15); }
.hero-points li { display: flex; align-items: center; gap: 10px; }
.hero-points svg { width: 22px; height: 22px; flex: 0 0 auto; padding: 4px; border-radius: 50%; background: var(--second-soft); color: var(--second); fill: none; stroke: currentColor; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.hero-wave { position: absolute; bottom: -1px; inset-inline: 0; width: 100%; height: 48px; color: var(--surface); }
.safety-foot { margin-top: var(--sp-20); padding: 12px 14px; border-radius: var(--r-md); background: var(--primary-tint); color: var(--text-2); font-size: var(--fs-14); line-height: 1.8; }
.safety-foot a { color: var(--primary-ink); font-weight: 700; }
.hero-faces { display: flex; align-items: center; gap: 10px; margin-top: var(--sp-20); color: var(--text-3); font-size: var(--fs-14); }
.hero-faces b { color: var(--primary-ink); font-weight: 800; }
.faces { display: inline-flex; }
.faces img { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; border: 2px solid var(--bg); }
.faces img + img { margin-inline-start: -10px; }
.faces-sm img { width: 28px; height: 28px; border-width: 2px; }
.faces-sm img + img { margin-inline-start: -8px; }

/* staggered copy inside the hero */
.hero-copy > * { opacity: 0; transform: translateY(16px); transition: opacity var(--dur-4) var(--ease-out), transform var(--dur-4) var(--ease-out); transition-delay: var(--d, 0ms); }
.hero-copy.revealed > * { opacity: 1; transform: none; }

/* phone mockup */
.hero-stage { position: relative; width: min(100%, 340px); margin-inline: auto; padding: var(--sp-24) var(--sp-8) 40px; transform-style: preserve-3d; }
.hero-stage [data-tilt] { will-change: transform; transition: transform var(--dur-2) var(--ease); }
.phone { position: relative; width: 100%; aspect-ratio: 9 / 18.4; padding: 10px; border-radius: 44px; background: linear-gradient(160deg, #1E3836, #0E1D1C); box-shadow: var(--shadow-3), inset 0 0 0 2px rgba(255, 255, 255, .06); }
.phone-notch { position: absolute; top: 18px; left: 50%; width: 92px; height: 24px; transform: translateX(-50%); border-radius: 14px; background: #081413; z-index: 2; }
.phone-screen { display: flex; flex-direction: column; gap: 10px; height: 100%; padding: 50px 14px 14px; border-radius: 36px; background: var(--bg); overflow: hidden; }
.app-top { display: flex; align-items: center; justify-content: space-between; }
.app-title { font-size: var(--fs-18); font-weight: 900; color: var(--primary-ink); }
.app-dot { width: 30px; height: 30px; border-radius: 50%; background: var(--primary-soft); position: relative; }
.app-dot::after { content: ''; position: absolute; top: 4px; inset-inline-end: 4px; width: 8px; height: 8px; border-radius: 50%; background: var(--second); border: 2px solid var(--bg); animation: pulse-dot 2.4s ease-in-out infinite; }
.app-search { display: flex; align-items: center; gap: 8px; padding: 9px 12px; border-radius: var(--r-md); background: var(--surface); border: 1px solid var(--border); color: var(--text-3); font-size: 12.5px; }
.app-search svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.app-chips { display: flex; gap: 6px; }
.app-chips span { padding: 4px 10px; border-radius: var(--r-pill); background: var(--surface); border: 1px solid var(--border); font-size: 11.5px; color: var(--text-2); white-space: nowrap; }
.app-chips .is-on { background: var(--primary); border-color: var(--primary); color: #fff; }
.app-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.app-card { position: relative; display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 10px 8px; border-radius: var(--r-md); background: var(--surface); box-shadow: var(--shadow-1); font-size: 12px; }
.app-card b { font-size: 13px; }
.app-card small { color: var(--text-3); font-size: 11px; }
.app-card .online { position: absolute; top: 8px; inset-inline-start: 8px; width: 8px; height: 8px; border-radius: 50%; background: #2F9E6E; box-shadow: 0 0 0 2px #fff; }
.av { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; color: #fff; font-weight: 800; font-size: 16px; object-fit: cover; }
.app-chat { display: flex; flex-direction: column; gap: 6px; margin-top: auto; }
.bubble { max-width: 86%; padding: 8px 11px; border-radius: 14px 14px 14px 4px; background: var(--surface); box-shadow: var(--shadow-1); font-size: 12px; line-height: 1.7; }
.bubble.is-mine { align-self: flex-end; border-radius: 14px 14px 4px 14px; background: var(--cta-gradient); color: #fff; }
.bubble.is-typing { display: inline-flex; gap: 4px; align-items: center; width: max-content; padding: 10px 12px; }
.bubble.is-typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--text-3); animation: typing 1.2s ease-in-out infinite; }
.bubble.is-typing i:nth-child(2) { animation-delay: .15s; }
.bubble.is-typing i:nth-child(3) { animation-delay: .3s; }
@keyframes typing { 0%, 60%, 100% { transform: translateY(0); opacity: .5; } 30% { transform: translateY(-4px); opacity: 1; } }
.app-nav { display: flex; justify-content: space-around; padding: 8px 0 0; border-top: 1px solid var(--border); }
.app-nav i { width: 18px; height: 18px; border-radius: 6px; background: var(--border); }
.app-nav i.is-on { background: var(--primary); }
.float-card { position: absolute; z-index: 2; display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: var(--r-lg); background: rgba(255,255,255,.92); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); box-shadow: var(--shadow-2); font-size: 12.5px; line-height: 1.5; animation: float 5s ease-in-out infinite; }
.float-card > img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; }
.float-heart { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--second-soft); color: var(--second); }
.float-heart svg { width: 16px; height: 16px; fill: currentColor; stroke: none; animation: heartbeat 1.8s ease-in-out infinite; }
@keyframes heartbeat { 0%, 100% { transform: scale(1); } 14% { transform: scale(1.18); } 28% { transform: scale(1); } 42% { transform: scale(1.12); } }
.float-card b { display: block; font-weight: 700; }
.float-card small { color: var(--text-3); }
.float-card-1 { top: 64px; inset-inline-end: -10px; }
.float-card-2 { bottom: 70px; inset-inline-end: -8px; animation-delay: -2.5s; }
.float-card-3 { top: 46%; inset-inline-start: -14px; animation-delay: -1.2s; }
.float-card-4 { bottom: 150px; inset-inline-start: -10px; animation-delay: -3.6s; }
.float-card .faces img { border-color: #fff; }
.float-icon { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--primary-soft); color: var(--primary); }
.float-icon.is-rose { background: var(--second-soft); color: var(--second); }
.float-icon svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes pulse-dot { 0%, 100% { box-shadow: 0 0 0 0 rgba(225, 29, 72, .5); } 60% { box-shadow: 0 0 0 6px rgba(225, 29, 72, 0); } }

/* ---------- live ticker ---------- */
.ticker { position: relative; padding: var(--sp-12) 0; background: var(--surface); overflow: hidden; -webkit-mask-image: linear-gradient(to right, transparent, #000 10%, #000 90%, transparent); mask-image: linear-gradient(to right, transparent, #000 10%, #000 90%, transparent); }
.ticker-track { display: flex; gap: 12px; width: max-content; animation: ticker 48s linear infinite; }
.ticker:hover .ticker-track { animation-play-state: paused; }
.tick { display: flex; align-items: center; gap: 10px; padding: 8px 14px 8px 12px; border: 1px solid var(--border); border-radius: var(--r-pill); background: var(--bg); font-size: 13px; line-height: 1.4; white-space: nowrap; }
.tick img { width: 34px; height: 34px; border-radius: 50%; object-fit: cover; }
.tick b { display: block; font-weight: 700; }
.tick small { color: var(--text-3); font-size: 12px; }
.tick-dot { width: 8px; height: 8px; border-radius: 50%; margin-inline-start: 4px; }
.tick-dot.is-new { background: #2F9E6E; }
.tick-dot.is-ok { background: var(--primary); }
.tick-dot.is-msg { background: #F59E0B; }
.tick-dot.is-love { background: var(--second); }
@keyframes ticker { to { transform: translateX(50%); } }

/* ---------- trust strip ---------- */
.trust { background: var(--surface); border-bottom: 1px solid var(--border); }
.trust-inner { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-16); padding-block: var(--sp-24); }
.trust-item { display: flex; align-items: flex-start; gap: 10px; }
.trust-item svg { width: 36px; height: 36px; flex: 0 0 auto; padding: 8px; border-radius: 12px; background: var(--second-soft); color: var(--second); fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform var(--dur-3) var(--ease-out), background-color var(--dur-2); }
.trust-item:hover svg { transform: rotate(-8deg) scale(1.08); }
.trust-item b { display: block; font-size: var(--fs-15); font-weight: 700; }
.trust-item span { display: block; color: var(--text-3); font-size: 13px; line-height: 1.6; }

/* ---------- sections ---------- */
.section { padding: var(--sp-64) 0; }
.section-head { max-width: 640px; margin: 0 auto var(--sp-32); text-align: center; }
.section-tag { display: inline-block; margin-bottom: var(--sp-12); padding: 5px 14px; border-radius: var(--r-pill); background: var(--primary-soft); color: var(--primary-ink); font-size: 13px; font-weight: 700; }
.section-head h2 { font-size: clamp(24px, 5.2vw, 38px); }
.section-head p { margin-top: var(--sp-12); color: var(--text-2); }
.section-head.is-on-dark { color: #fff; }
.section-head.is-on-dark .section-tag { background: rgba(255, 255, 255, .12); color: #CFF3EE; }
.section-head.is-on-dark p { color: rgba(255, 255, 255, .78); }

/* ---------- stats ---------- */
.stats { position: relative; overflow: hidden; background: radial-gradient(1200px 600px at 80% -10%, #1F7A74 0%, transparent 60%), radial-gradient(800px 500px at 0% 110%, #7A1F3A 0%, transparent 55%), var(--dark); color: #fff; }
.stats-bg { position: absolute; inset: 0; pointer-events: none; }
.stats-bg span { position: absolute; border-radius: 50%; opacity: .35; filter: blur(50px); animation: glow-drift 18s ease-in-out infinite; }
.stats-bg span:nth-child(1) { width: 380px; height: 380px; inset-inline-end: -120px; top: -140px; background: #3FBDB3; }
.stats-bg span:nth-child(2) { width: 300px; height: 300px; inset-inline-start: -100px; bottom: -120px; background: #E11D48; animation-delay: -8s; }
.stats .container { position: relative; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-12); }
.stat { position: relative; display: flex; flex-direction: column; gap: 4px; min-height: 150px; padding: var(--sp-20) var(--sp-16); border: 1px solid rgba(255, 255, 255, .12); border-radius: var(--r-lg); background: rgba(255, 255, 255, .06); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); overflow: hidden; transition: transform var(--dur-3) var(--ease-out), border-color var(--dur-2), background-color var(--dur-2); }
.stat:hover { transform: translateY(-4px); border-color: rgba(255, 255, 255, .3); background: rgba(255, 255, 255, .09); }
.stat-icon { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: rgba(255, 255, 255, .12); color: #9FE8E0; }
.stat-icon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.stat-num { display: flex; align-items: baseline; gap: 6px; margin-top: 8px; font-size: clamp(28px, 6vw, 40px); font-weight: 900; line-height: 1.2; letter-spacing: -.01em; font-variant-numeric: tabular-nums; }
.stat-num small { font-size: var(--fs-16); font-weight: 700; color: rgba(255, 255, 255, .8); }
.stat-label { color: rgba(255, 255, 255, .78); font-size: var(--fs-14); }
.stat-bars { position: absolute; inset-inline-end: 14px; bottom: 14px; display: flex; align-items: flex-end; gap: 3px; height: 34px; opacity: .55; }
.stat-bars i { width: 5px; height: var(--h); border-radius: 3px; background: linear-gradient(to top, #3FBDB3, #9FE8E0); transform: scaleY(0); transform-origin: bottom; transition: transform var(--dur-4) var(--ease-out); transition-delay: calc(var(--d, 0ms) + 300ms); }
.stat-bars i:nth-child(2) { transition-delay: calc(var(--d, 0ms) + 360ms); }
.stat-bars i:nth-child(3) { transition-delay: calc(var(--d, 0ms) + 420ms); }
.stat-bars i:nth-child(4) { transition-delay: calc(var(--d, 0ms) + 480ms); }
.stat-bars i:nth-child(5) { transition-delay: calc(var(--d, 0ms) + 540ms); }
.stat-bars i:nth-child(6) { transition-delay: calc(var(--d, 0ms) + 600ms); }
.stat-bars i:nth-child(7) { transition-delay: calc(var(--d, 0ms) + 660ms); }
.stat-bars i:nth-child(8) { transition-delay: calc(var(--d, 0ms) + 720ms); }
.stat.revealed .stat-bars i { transform: scaleY(1); }
.stat-ring { position: absolute; inset-inline-end: 14px; bottom: 12px; width: 44px; height: 44px; }
.stat-ring svg { transform: rotate(-90deg); }
.stat-ring circle { fill: none; stroke: rgba(255, 255, 255, .15); stroke-width: 3; }
.stat-ring .ring-fg { stroke: #9FE8E0; stroke-linecap: round; stroke-dasharray: 100; stroke-dashoffset: 100; transition: stroke-dashoffset 1.6s var(--ease-out) .3s; }
.stat.revealed .ring-fg { stroke-dashoffset: calc(100 - var(--p)); }
.stats-live { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px; margin: var(--sp-24) auto 0; padding: 10px 18px; width: max-content; max-width: 100%; border-radius: var(--r-pill); background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .12); font-size: var(--fs-14); }
.stats-live b { font-weight: 800; color: #9FE8E0; }
.stats-live .faces img { border-color: var(--dark); }
.live-dot { position: relative; width: 10px; height: 10px; border-radius: 50%; background: #34D399; }
.live-dot::after { content: ''; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid #34D399; opacity: 0; animation: ping 1.8s ease-out infinite; }
@keyframes ping { 0% { transform: scale(.6); opacity: .9; } 100% { transform: scale(1.6); opacity: 0; } }

/* features */
.feature-grid { display: grid; gap: var(--sp-16); }
.feature-card { position: relative; padding: var(--sp-24); border: 1px solid var(--border); border-radius: var(--r-xl); background: var(--surface); box-shadow: var(--shadow-1); overflow: hidden; transition: transform var(--dur-3) var(--ease-out), box-shadow var(--dur-3) var(--ease), border-color var(--dur-2); }
.feature-card::before { content: ''; position: absolute; inset: 0; background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 50%), rgba(31, 122, 116, .10), transparent 65%); opacity: 0; transition: opacity var(--dur-3); pointer-events: none; }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); border-color: var(--border-strong); }
.feature-card:hover::before { opacity: 1; }
.feature-icon { position: relative; display: grid; place-items: center; width: 52px; height: 52px; margin-bottom: var(--sp-16); border-radius: 16px; background: var(--primary-soft); color: var(--primary); transition: transform var(--dur-3) var(--ease-out); }
.feature-card:hover .feature-icon { transform: translateY(-2px) rotate(-6deg) scale(1.06); }
.feature-card:nth-child(even) .feature-icon { background: var(--second-soft); color: var(--second); }
.feature-icon svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.feature-card h3 { position: relative; font-size: var(--fs-18); }
.feature-card p { position: relative; margin-top: 8px; color: var(--text-2); font-size: var(--fs-15); }

/* ---------- moments: photo mosaic ---------- */
.moments { background: var(--surface); }
.moment-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.moment { position: relative; margin: 0; aspect-ratio: 1 / 1; border-radius: var(--r-lg); overflow: hidden; background: var(--surface-2); box-shadow: var(--shadow-1); isolation: isolate; }
.moment.is-wide { grid-column: span 2; aspect-ratio: 16 / 9; }
.moment img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease-out); }
.moment:hover img { transform: scale(1.06); }
.moment figcaption { position: absolute; inset-inline: 0; bottom: 0; padding: 48px 14px 14px; background: linear-gradient(to top, rgba(14, 42, 40, .88), rgba(14, 42, 40, .25) 60%, transparent); color: #fff; }
.moment b { display: block; font-size: var(--fs-15); line-height: 1.5; }
.moment small { display: block; font-size: 12px; opacity: .85; }
.moment-chip { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 8px; padding: 4px 10px; border-radius: var(--r-pill); background: rgba(255, 255, 255, .18); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); font-size: 11.5px; font-weight: 700; border: 1px solid rgba(255, 255, 255, .25); }
.moment-chip.is-rose { background: rgba(225, 29, 72, .55); }
.moment-chip svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.moment.is-wide b { font-size: var(--fs-18); }
.moment.is-cta { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; padding: var(--sp-20); background: var(--cta-gradient); color: #fff; text-decoration: none; text-align: center; box-shadow: 0 12px 30px rgba(31, 122, 116, .3); }
.moment.is-cta .pc-cta-icon { background: rgba(255, 255, 255, .18); box-shadow: none; }
.moment.is-cta b { font-size: var(--fs-18); }
.moment.is-cta small { color: rgba(255, 255, 255, .85); }
.moment.is-cta:hover .pc-cta-icon { transform: rotate(90deg); }

/* how it works */
.how { background: var(--bg); }
.steps { position: relative; display: grid; gap: var(--sp-16); counter-reset: step; }
.step { position: relative; display: flex; flex-direction: column; padding: var(--sp-24); padding-inline-start: 84px; border-radius: var(--r-xl); background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-1); transition: transform var(--dur-3) var(--ease-out), box-shadow var(--dur-3); }
.step:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
.step-num { position: absolute; top: var(--sp-24); inset-inline-start: var(--sp-24); display: grid; place-items: center; width: 44px; height: 44px; border-radius: 14px; background: var(--cta-gradient); color: #fff; font-size: var(--fs-20); font-weight: 900; box-shadow: 0 6px 16px rgba(31, 122, 116, .28); transform: scale(.6); transition: transform var(--dur-4) cubic-bezier(.34, 1.56, .64, 1); transition-delay: calc(var(--d, 0ms) + 150ms); }
.step.revealed .step-num { transform: scale(1); }
.step h3 { font-size: var(--fs-18); }
.step p { margin-top: 6px; color: var(--text-2); font-size: var(--fs-15); }
.step-demo { margin-top: var(--sp-16); }
.otp { display: flex; gap: 6px; direction: ltr; }
.otp i { display: grid; place-items: center; width: 34px; height: 40px; border-radius: 10px; background: var(--bg); border: 1px solid var(--border); font-style: normal; font-weight: 800; color: var(--primary-ink); }
.otp i.is-cursor { border-color: var(--primary); animation: blink 1.1s steps(2) infinite; }
@keyframes blink { to { box-shadow: inset 0 -3px 0 var(--primary); } }
.mini-profile { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--r-md); background: var(--bg); border: 1px solid var(--border); font-size: 13px; line-height: 1.5; }
.mini-profile img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; }
.mini-profile b { display: block; }
.mini-profile small { color: var(--text-3); }
.mini-chat { display: flex; flex-direction: column; gap: 6px; }
.how-cta { display: flex; justify-content: center; margin-top: var(--sp-32); }

/* safety */
.safety { background: var(--surface); }
.safety-inner { display: grid; gap: var(--sp-32); align-items: center; }
.safety-copy > * { opacity: 0; transform: translateY(14px); transition: opacity var(--dur-4) var(--ease-out), transform var(--dur-4) var(--ease-out); transition-delay: var(--d, 0ms); }
.safety-copy.revealed > * { opacity: 1; transform: none; }
.safety-copy h2 { margin-top: var(--sp-8); font-size: clamp(24px, 5.2vw, 36px); }
.safety-copy > p { margin-top: var(--sp-12); color: var(--text-2); }
.safety-list { display: flex; flex-direction: column; gap: var(--sp-16); margin-top: var(--sp-24); }
.safety-list li { display: flex; gap: 12px; }
.safety-list svg { width: 26px; height: 26px; flex: 0 0 auto; margin-top: 2px; padding: 5px; border-radius: 50%; background: var(--second-soft); color: var(--second); fill: none; stroke: currentColor; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.safety-list b { display: block; font-weight: 700; }
.safety-list span { display: block; color: var(--text-3); font-size: var(--fs-15); }
.safety-card { position: relative; width: min(100%, 460px); margin-inline: auto; }
.safety-photo { position: relative; border-radius: var(--r-xl); overflow: hidden; box-shadow: var(--shadow-2); }
.safety-photo img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: center 40%; }
.safety-photo::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(14, 42, 40, .55), transparent 55%); }
.safety-badge { position: absolute; top: 14px; inset-inline-start: 14px; z-index: 1; display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: var(--r-pill); background: rgba(255, 255, 255, .9); color: var(--primary-ink); font-size: 12.5px; font-weight: 700; box-shadow: var(--shadow-1); }
.safety-badge svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.report-ui { position: relative; width: min(100%, 360px); margin: -72px auto 0; padding: var(--sp-20); border-radius: var(--r-xl); background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-3); }
.report-head { display: flex; align-items: center; gap: 12px; }
.report-head b { display: block; }
.report-head small { color: var(--text-3); }
.report-head .av { width: 44px; height: 44px; }
.report-actions { display: flex; gap: 8px; margin-top: var(--sp-16); }
.rbtn { flex: 1 1 0; padding: 10px; border-radius: var(--r-md); background: var(--surface-2); text-align: center; font-size: 13.5px; font-weight: 700; color: var(--text-2); }
.rbtn.is-danger { background: var(--primary-soft); color: var(--primary-ink); }
.report-note { display: flex; align-items: flex-start; gap: 8px; margin-top: var(--sp-16); padding: 12px; border-radius: var(--r-md); background: var(--second-soft); color: var(--second-ink); font-size: 13.5px; line-height: 1.6; }
.report-note svg { width: 20px; height: 20px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- download ---------- */
.download { background: var(--bg); }
.dl-grid { display: grid; gap: var(--sp-12); }
.dl-card { position: relative; display: flex; align-items: center; gap: 14px; min-height: 84px; padding: 14px 18px; border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--surface); box-shadow: var(--shadow-1); text-decoration: none; overflow: hidden; transition: transform var(--dur-3) var(--ease-out), box-shadow var(--dur-3), border-color var(--dur-2); }
.dl-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: var(--border-strong); }
.dl-icon { display: grid; place-items: center; flex: 0 0 auto; width: 48px; height: 48px; border-radius: 14px; color: #fff; }
.dl-icon svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.dl-icon.is-play { background: linear-gradient(135deg, #34A853, #1E8E3E); }
.dl-icon.is-play svg { fill: currentColor; stroke: none; }
.dl-icon.is-bazaar { background: linear-gradient(135deg, #2BB673, #15803D); }
.dl-icon.is-apk { background: var(--cta-gradient); }
.dl-icon.is-ios { background: linear-gradient(135deg, #334155, #0F172A); }
.dl-text { display: flex; flex-direction: column; line-height: 1.5; min-width: 0; }
.dl-text small { color: var(--text-3); font-size: var(--fs-13); }
.dl-text b { font-size: var(--fs-16); color: var(--text); }
.dl-arrow { width: 22px; height: 22px; margin-inline-start: auto; flex: 0 0 auto; color: var(--primary); fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform var(--dur-3) var(--ease-out); }
.dl-card:hover .dl-arrow { transform: translateX(-4px); }
.dl-ios { display: flex; flex-direction: column; gap: var(--sp-12); padding: var(--sp-20); border: 1px solid var(--border-strong); border-radius: var(--r-xl); background: var(--surface); box-shadow: var(--shadow-2); }
.dl-ios-head { display: flex; align-items: center; gap: 14px; }
.dl-ios > p { color: var(--text-2); font-size: var(--fs-15); }
.ios-steps { display: grid; gap: 10px; }
.ios-steps li { display: flex; gap: 12px; padding: 12px; border-radius: var(--r-md); background: var(--bg); border: 1px solid var(--border); }
.ios-num { display: grid; place-items: center; flex: 0 0 auto; width: 32px; height: 32px; border-radius: 10px; background: var(--primary-soft); color: var(--primary-ink); font-weight: 900; }
.ios-steps b { display: block; font-size: var(--fs-15); }
.ios-steps small { display: block; color: var(--text-3); font-size: var(--fs-13); line-height: 1.7; }
.ios-share { display: inline-block; width: 14px; height: 16px; margin: 0 2px; vertical-align: -3px; border: 2px solid var(--primary); border-top: 0; border-radius: 0 0 3px 3px; position: relative; }
.ios-share::before { content: ''; position: absolute; left: 50%; top: -9px; width: 2px; height: 13px; background: var(--primary); transform: translateX(-50%); }
.ios-share::after { content: ''; position: absolute; left: 50%; top: -9px; width: 6px; height: 6px; border-top: 2px solid var(--primary); border-left: 2px solid var(--primary); transform: translateX(-50%) rotate(45deg); }
.dl-ios .btn { align-self: flex-start; }
.dl-note { margin-top: var(--sp-16); text-align: center; color: var(--text-3); font-size: var(--fs-14); }

/* ---------- testimonials ---------- */
.testimonials { background: var(--bg); }
.testimonial-grid { display: grid; gap: var(--sp-16); }
.testimonial { position: relative; margin: 0; padding: var(--sp-24); border-radius: var(--r-xl); background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-1); transition: transform var(--dur-3) var(--ease-out), box-shadow var(--dur-3); }
.testimonial::before { content: '”'; position: absolute; top: 6px; inset-inline-end: 18px; font-size: 72px; line-height: 1; color: var(--primary-soft); font-weight: 900; }
.testimonial:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
.stars { display: inline-flex; gap: 2px; color: #F59E0B; }
.stars svg { width: 16px; height: 16px; fill: currentColor; stroke: none; }
.testimonial blockquote { margin: var(--sp-12) 0 var(--sp-16); color: var(--text-2); font-size: var(--fs-15); }
.testimonial figcaption { display: flex; align-items: center; gap: 10px; }
.testimonial figcaption img { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; border: 2px solid var(--primary-soft); }
.testimonial figcaption b { display: block; }
.testimonial figcaption small { color: var(--text-3); font-size: 13px; }

/* plans */
.plans { background: var(--surface); }
.plan-grid { display: grid; gap: var(--sp-16); max-width: 860px; margin-inline: auto; }
.plan-card { position: relative; display: flex; flex-direction: column; padding: var(--sp-32) var(--sp-24); border: 1px solid var(--border); border-radius: var(--r-xl); background: var(--bg); transition: transform var(--dur-3) var(--ease-out), box-shadow var(--dur-3); }
.plan-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
.plan-card h3 { font-size: var(--fs-24); }
.plan-sub { margin-top: 4px; color: var(--text-3); font-size: var(--fs-15); }
.plan-card ul { display: flex; flex-direction: column; gap: 10px; margin: var(--sp-24) 0; }
.plan-card li { position: relative; padding-inline-start: 28px; color: var(--text-2); font-size: var(--fs-15); }
.plan-card li::before { content: ''; position: absolute; inset-inline-start: 0; top: 7px; width: 16px; height: 16px; border-radius: 50%; background: var(--primary-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231F7A74' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 10px no-repeat; }
.plan-card .btn { margin-top: auto; }
.plan-card.is-featured { background: var(--surface); border-color: var(--border-strong); box-shadow: var(--shadow-3); overflow: visible; }
.plan-card.is-featured::before { content: ''; position: absolute; inset: -1px; border-radius: inherit; padding: 1.5px; background: var(--brand-gradient); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity: .7; pointer-events: none; }
.plan-card.is-featured h3 { color: var(--primary-ink); }
.plan-badge { position: absolute; top: -14px; inset-inline-start: var(--sp-24); display: inline-flex; align-items: center; gap: 6px; padding: 5px 14px; border-radius: var(--r-pill); background: var(--cta-gradient); color: #fff; font-size: 13px; font-weight: 700; box-shadow: 0 4px 12px rgba(31, 122, 116, .3); }
.plan-badge svg { width: 14px; height: 14px; fill: currentColor; stroke: none; }
.plan-note { margin-top: var(--sp-12); color: var(--text-3); font-size: 13px; line-height: 1.7; }

/* faq */
.faq { background: var(--bg); }
.faq-container { max-width: 760px; }
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--surface); transition: box-shadow var(--dur-2), border-color var(--dur-2); }
.faq-item[open] { box-shadow: var(--shadow-1); border-color: var(--border-strong); }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 56px; padding: 12px 18px; font-weight: 700; cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-chevron { position: relative; flex: 0 0 auto; width: 28px; height: 28px; border-radius: 50%; background: var(--primary-soft); transition: transform var(--dur-3) var(--ease-out), background-color var(--dur-2); }
.faq-chevron::before { content: ''; position: absolute; top: 9px; left: 10px; width: 7px; height: 7px; border-right: 2px solid var(--primary-ink); border-bottom: 2px solid var(--primary-ink); transform: rotate(45deg); }
.faq-item[open] .faq-chevron { transform: rotate(180deg); background: var(--primary); }
.faq-item[open] .faq-chevron::before { border-color: #fff; }
.faq-body { overflow: hidden; }
.faq-item p { padding: 0 18px 16px; color: var(--text-2); font-size: var(--fs-15); }
.faq-item[open] p { animation: fade-up var(--dur-3) var(--ease-out); }

/* final cta */
.cta { position: relative; padding: var(--sp-96) 0; background: var(--cta-gradient); color: #fff; overflow: hidden; }
.cta::before { content: ''; position: absolute; width: 420px; height: 420px; inset-inline-start: -150px; top: -200px; border-radius: 50%; background: rgba(255, 255, 255, .12); animation: glow-drift 16s ease-in-out infinite; }
.cta::after { content: ''; position: absolute; width: 300px; height: 300px; inset-inline-end: -100px; bottom: -160px; border-radius: 50%; background: rgba(255, 255, 255, .1); animation: glow-drift 20s ease-in-out infinite reverse; }
.cta-inner { position: relative; z-index: 1; max-width: 640px; text-align: center; }
.cta-heart { display: grid; place-items: center; width: 64px; height: 64px; margin: 0 auto var(--sp-16); border-radius: 20px; background: rgba(255, 255, 255, .14); border: 1px solid rgba(255, 255, 255, .25); color: #fff; }
.cta-heart svg { width: 30px; height: 30px; fill: currentColor; stroke: none; animation: heartbeat 2.2s ease-in-out infinite; }
.cta h2 { font-size: clamp(26px, 5.6vw, 40px); }
.cta p { margin-top: var(--sp-12); color: rgba(255, 255, 255, .88); font-size: var(--fs-16); }
.cta .hero-actions { justify-content: center; margin-top: var(--sp-24); }
.cta-points { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 20px; margin-top: var(--sp-24); color: rgba(255, 255, 255, .85); font-size: var(--fs-14); }
.cta-points li { display: inline-flex; align-items: center; gap: 6px; }
.cta-points svg { width: 18px; height: 18px; padding: 3px; border-radius: 50%; background: rgba(255, 255, 255, .18); fill: none; stroke: currentColor; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- final cta faces ---------- */
.cta-faces { position: absolute; inset: 0; pointer-events: none; }
.cta-faces img { position: absolute; width: 56px; height: 56px; border-radius: 50%; object-fit: cover; border: 3px solid rgba(255,255,255,.55); opacity: .9; animation: float 6s ease-in-out infinite; animation-delay: calc(var(--i) * -1s); }
.cta-faces img:nth-child(1) { top: 12%; inset-inline-start: 6%; }
.cta-faces img:nth-child(2) { top: 60%; inset-inline-start: 12%; }
.cta-faces img:nth-child(3) { top: 22%; inset-inline-start: 22%; }
.cta-faces img:nth-child(4) { top: 14%; inset-inline-end: 8%; }
.cta-faces img:nth-child(5) { top: 62%; inset-inline-end: 14%; }
.cta-faces img:nth-child(6) { top: 30%; inset-inline-end: 24%; }
.cta-faces img:nth-child(7) { top: 78%; inset-inline-start: 30%; }
.cta-faces img:nth-child(8) { top: 80%; inset-inline-end: 30%; }
@media (max-width: 900px) { .cta-faces img:nth-child(3), .cta-faces img:nth-child(6), .cta-faces img:nth-child(7), .cta-faces img:nth-child(8) { display: none; } .cta-faces img { width: 44px; height: 44px; } }
@media (max-width: 600px) { .cta-faces img:nth-child(2), .cta-faces img:nth-child(5) { top: auto; bottom: 4%; opacity: .7; } }

/* ---------- footer ---------- */
.site-footer { position: relative; color: rgba(255, 255, 255, .82); background: radial-gradient(900px 400px at 100% 0%, rgba(63, 189, 179, .18) 0%, transparent 60%), var(--dark); }
.site-footer::before { content: ''; position: absolute; inset-inline: 0; top: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .25), transparent); }
.footer-top { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-32) var(--sp-16); padding-block: var(--sp-48) var(--sp-32); }
.footer-brand, .footer-app { grid-column: span 2; }
.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-logo { width: 44px; height: 44px; }
.footer-brand > p { margin-top: var(--sp-16); max-width: 42ch; color: rgba(255, 255, 255, .7); font-size: var(--fs-15); }
.footer-trust { display: flex; flex-wrap: wrap; gap: 8px; margin-top: var(--sp-16); }
.footer-trust li { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: var(--r-pill); border: 1px solid rgba(255, 255, 255, .14); background: rgba(255, 255, 255, .06); font-size: 12.5px; font-weight: 600; color: rgba(255, 255, 255, .85); }
.footer-trust svg { width: 16px; height: 16px; fill: none; stroke: #9FE8E0; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.age-badge { display: inline-grid; place-items: center; min-width: 30px; height: 20px; padding: 0 5px; border-radius: 6px; background: var(--second); color: #fff; font-size: 11px; font-weight: 800; }
.footer-col h3, .footer-app h3 { margin-bottom: var(--sp-12); font-size: var(--fs-16); font-weight: 800; color: #fff; }
.footer-col { display: flex; flex-direction: column; }
.footer-col a { position: relative; display: inline-flex; align-items: center; gap: 8px; min-height: 40px; width: max-content; max-width: 100%; color: rgba(255, 255, 255, .72); font-size: var(--fs-15); text-decoration: none; transition: color var(--dur-1), transform var(--dur-2) var(--ease-out); }
.footer-col a::before { content: ''; width: 0; height: 2px; border-radius: 2px; background: #9FE8E0; transition: width var(--dur-2) var(--ease-out); }
.footer-col a:hover { color: #fff; transform: translateX(-4px); }
.footer-col a:hover::before { width: 12px; }
.footer-app p { color: rgba(255, 255, 255, .7); font-size: var(--fs-15); }
.footer-app-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: var(--sp-16); }
.footer-app-actions .btn { flex: 1 1 160px; }
.footer-a2hs { display: flex; align-items: center; gap: 8px; margin-top: var(--sp-16); padding: 10px 12px; border-radius: var(--r-md); background: rgba(255, 255, 255, .06); border: 1px dashed rgba(255, 255, 255, .22); color: rgba(255, 255, 255, .75); font-size: 13px; line-height: 1.6; }
.footer-a2hs svg { width: 20px; height: 20px; flex: 0 0 auto; fill: none; stroke: #9FE8E0; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.footer-bottom { display: flex; flex-direction: column; gap: var(--sp-12); padding-block: var(--sp-20) calc(var(--sp-24) + env(safe-area-inset-bottom, 0px)); border-top: 1px solid rgba(255, 255, 255, .1); }
.footer-copy { color: rgba(255, 255, 255, .6); font-size: 13px; line-height: 1.7; }
.to-top { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 16px; width: max-content; border: 1px solid rgba(255, 255, 255, .2); border-radius: var(--r-pill); background: rgba(255, 255, 255, .06); color: #fff; font: inherit; font-size: var(--fs-14); font-weight: 700; cursor: pointer; transition: background-color var(--dur-2), transform var(--dur-2) var(--ease-out); }
.to-top svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; transition: transform var(--dur-3) var(--ease-out); }
.to-top:hover { background: rgba(255, 255, 255, .14); transform: translateY(-2px); }
.to-top:hover svg { transform: translateY(-3px); }

/* sticky mobile cta */
.sticky-cta { position: fixed; inset-inline: 0; bottom: 0; z-index: 40; display: flex; gap: 10px; padding: 10px var(--gutter) calc(10px + env(safe-area-inset-bottom, 0px)); background: rgba(255, 255, 255, .92); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); border-top: 1px solid var(--border); transform: translateY(110%); transition: transform var(--dur-3) var(--ease-out); }
.sticky-cta.is-shown { transform: none; }
.sticky-cta .btn-primary { flex: 1 1 auto; }
.sticky-cta .btn-ghost { flex: 0 0 auto; border-color: var(--border); }

/* ---------- reveal on scroll ---------- */
[data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity var(--dur-4) var(--ease-out), transform var(--dur-4) var(--ease-out); transition-delay: var(--d, 0ms); will-change: opacity, transform; }
[data-reveal="zoom"] { transform: scale(.92) translateY(10px); }
[data-reveal="fade"] { transform: none; }
[data-reveal="left"] { transform: translateX(-32px); }
[data-reveal="right"] { transform: translateX(32px); }
[data-reveal].revealed { opacity: 1; transform: none; will-change: auto; }
/* containers whose own children are staggered must not hide them twice */
.hero-copy[data-reveal], .safety-copy[data-reveal] { transform: none; }

/* ---------- people: profile-card carousel ---------- */
.people { background: var(--surface); overflow: hidden; }
.carousel { position: relative; }
.carousel-track { display: flex; gap: 16px; padding-block: 12px 20px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.carousel-track::-webkit-scrollbar { display: none; }
.carousel-track:focus-visible { outline-offset: -3px; }
.profile-card { position: relative; flex: 0 0 200px; scroll-snap-align: start; border-radius: var(--r-xl); overflow: hidden; background: var(--surface-2); box-shadow: var(--shadow-1); border: 1px solid var(--border); transition: transform var(--dur-3) var(--ease-out), box-shadow var(--dur-3) var(--ease); }
.profile-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); }
.profile-card > img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; transition: transform 1s var(--ease-out); }
.profile-card:hover > img { transform: scale(1.05); }
.pc-body { position: absolute; inset-inline: 0; bottom: 0; padding: 44px 14px 14px; background: linear-gradient(to top, rgba(16, 48, 45, .88), rgba(16, 48, 45, 0)); color: #fff; }
.pc-body b { display: block; font-size: var(--fs-16); }
.pc-body small { display: block; font-size: 12px; opacity: .85; }
.pc-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px; }
.pc-tags i { padding: 2px 8px; border-radius: var(--r-pill); background: rgba(255,255,255,.18); font-style: normal; font-size: 11px; }
.pc-online { position: absolute; top: 12px; inset-inline-start: 12px; width: 10px; height: 10px; border-radius: 50%; background: #2F9E6E; box-shadow: 0 0 0 3px rgba(255,255,255,.9); }
.pc-online::after { content: ''; position: absolute; inset: -3px; border-radius: 50%; border: 2px solid #2F9E6E; opacity: 0; animation: ping 2s ease-out infinite; }
.pc-verified { position: absolute; top: 10px; inset-inline-end: 10px; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: rgba(255,255,255,.92); color: var(--primary); }
.pc-verified svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.pc-verified.is-inline { position: static; margin-inline-start: auto; background: var(--primary-soft); flex: 0 0 auto; }
.profile-card.is-cta { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; min-height: 250px; background: var(--primary-tint); border: 1.5px dashed var(--primary); color: var(--primary-ink); text-decoration: none; text-align: center; }
.profile-card.is-cta b { font-size: var(--fs-18); }
.profile-card.is-cta small { color: var(--text-3); }
.pc-cta-icon { display: grid; place-items: center; width: 52px; height: 52px; margin-bottom: 6px; border-radius: 50%; background: var(--cta-gradient); color: #fff; box-shadow: 0 8px 20px rgba(31,122,116,.3); transition: transform var(--dur-3) var(--ease-out); }
.profile-card.is-cta:hover .pc-cta-icon { transform: rotate(90deg); }
.pc-cta-icon svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2.5; stroke-linecap: round; }
.carousel-nav { display: flex; justify-content: center; gap: 10px; margin-top: 4px; }
.carousel-btn { display: grid; place-items: center; width: var(--tap); height: var(--tap); border: 1px solid var(--border); border-radius: 50%; background: var(--surface); color: var(--text); cursor: pointer; box-shadow: var(--shadow-1); transition: background-color var(--dur-1), transform var(--dur-1), color var(--dur-1); }
.carousel-btn:hover { background: var(--primary-tint); color: var(--primary-ink); }
.carousel-btn:active { transform: scale(.95); }
.carousel-btn svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- tablet ---------- */
@media (min-width: 600px) {
  :root { --gutter: 24px; }
  .header-actions .btn-ghost { display: inline-flex; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .trust-inner { grid-template-columns: repeat(4, 1fr); }
  .stat-grid { grid-template-columns: repeat(4, 1fr); }
  .plan-grid { grid-template-columns: 1fr 1fr; }
  .dl-grid { grid-template-columns: 1fr 1fr; }
  .dl-ios { grid-column: span 2; }
  .ios-steps { grid-template-columns: repeat(3, 1fr); }
  .testimonial-grid { grid-template-columns: 1fr 1fr; }
  .moment-grid { gap: 14px; }
  .hero-actions .btn { flex: 0 1 auto; }
  .hero-points { flex-direction: row; flex-wrap: wrap; gap: 8px 24px; }
  .footer-top { gap: var(--sp-32); }
  .footer-bottom { flex-direction: row; align-items: center; justify-content: space-between; }
}

/* ---------- desktop ---------- */
@media (min-width: 900px) {
  :root { --header-h: 72px; --gutter: 32px; }
  .main-nav { display: flex; align-items: center; gap: 4px; margin-inline-start: var(--sp-24); }
  .nav-toggle { display: none; }
  .hero { padding: var(--sp-64) 0 var(--sp-96); }
  .hero-inner { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: var(--sp-64); }
  .hero-stage { width: min(100%, 380px); padding-inline: var(--sp-32); }
  .float-card-1 { inset-inline-end: -56px; }
  .float-card-2 { inset-inline-end: -40px; }
  .float-card-3 { inset-inline-start: -56px; }
  .float-card-4 { inset-inline-start: -64px; bottom: 170px; }
  .hero-hint { bottom: 76px; }
  .section { padding: var(--sp-96) 0; }
  .feature-grid { grid-template-columns: repeat(3, 1fr); gap: var(--sp-24); }
  .moment-grid { grid-template-columns: repeat(4, 1fr); grid-auto-rows: 210px; gap: 14px; }
  .moment { aspect-ratio: auto; }
  .moment.is-wide { grid-column: span 2; grid-row: span 2; }
  .moment:nth-child(6), .moment.is-cta { grid-column: span 2; }
  .steps { grid-template-columns: repeat(3, 1fr); gap: var(--sp-24); }
  .steps::before { content: ''; position: absolute; top: 46px; inset-inline: 18%; height: 2px; background: repeating-linear-gradient(90deg, var(--border-strong) 0 8px, transparent 8px 16px); }
  .step { padding: var(--sp-32) var(--sp-24) var(--sp-24); padding-inline-start: var(--sp-24); padding-top: 84px; }
  .step-num { top: var(--sp-24); }
  .step-demo { margin-top: auto; padding-top: var(--sp-16); }
  .dl-grid { grid-template-columns: repeat(3, 1fr); gap: var(--sp-16); }
  .dl-ios { grid-column: span 3; flex-direction: row; flex-wrap: wrap; align-items: center; padding: var(--sp-24); }
  .dl-ios-head { flex: 1 1 260px; }
  .dl-ios > p { flex: 1 1 320px; }
  .dl-ios .ios-steps { flex: 1 1 100%; }
  .safety-inner { grid-template-columns: 1.1fr .9fr; gap: var(--sp-64); }
  .safety-photo img { aspect-ratio: 1 / 1; }
  .testimonial-grid { grid-template-columns: repeat(3, 1fr); gap: var(--sp-24); }
  .footer-top { grid-template-columns: 1.4fr .8fr .9fr 1.2fr; gap: var(--sp-48); padding-block: var(--sp-64) var(--sp-48); }
  .footer-brand, .footer-app { grid-column: auto; }
  .sticky-cta { display: none; }
}

/* ---------- motion & misc ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal], .hero-copy > *, .safety-copy > * { opacity: 1; transform: none; transition: none; }
  .float-card, .main-nav.open, .main-nav.open > a, .main-nav.open .nav-cta, .cta-faces img, .hero-glow, .stats-bg span, .cta::before, .cta::after, .ticker-track, .accent-anim, .app-dot::after, .bubble.is-typing i, .float-heart svg, .cta-heart svg, .live-dot::after, .pc-online::after, .otp i.is-cursor { animation: none; }
  .hero-stage [data-tilt] { transition: none; }
  .btn, .feature-card, .faq-chevron, .sticky-cta, .step-num, .stat-bars i, .ring-fg, .moment img, .profile-card > img { transition: none; }
  .step-num { transform: none; }
  .stat-bars i { transform: scaleY(1); }
  .ring-fg { stroke-dashoffset: calc(100 - var(--p)); }
  .scroll-progress { display: none; }
}
@media (hover: none) { .feature-card:hover, .step:hover, .testimonial:hover, .plan-card:hover, .stat:hover { transform: none; } .moment:hover img, .profile-card:hover > img { transform: none; } }
