:root {
  --bg: #fbfbff;
  --surface: #ffffff;
  --surface-soft: #f5f3ff;
  --text: #1b1930;
  --muted: #6f6a86;
  --primary: #6d5cf6;
  --primary-2: #8d67ff;
  --primary-dark: #4a3cd2;
  --accent: #ff78b7;
  --success: #2bbf88;
  --border: rgba(64, 53, 126, .12);
  --shadow: 0 20px 60px rgba(72, 54, 160, .14);
  --radius: 28px;
  --container: 1180px;
  --header-height: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
  margin: 0;
  font-family: ui-rounded, "SF Pro Rounded", "SF Pro Display", Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.large-text { font-size: 118%; }
body.demo-large { font-size: 126%; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }

.skip-link {
  position: fixed; z-index: 2000; top: 10px; left: 10px; padding: 12px 16px;
  background: var(--text); color: #fff; border-radius: 10px; transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 1000; height: var(--header-height);
  border-bottom: 1px solid transparent; transition: .25s ease;
}
.site-header.scrolled {
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-color: var(--border); box-shadow: 0 6px 30px rgba(28, 22, 72, .05);
}
.nav-wrap { min-height: var(--header-height); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 850; font-size: 1.28rem; letter-spacing: -.03em; }
.brand-logo-shell {
  width: 43px; height: 43px; border-radius: 13px; display: grid; place-items: center;
  background: linear-gradient(145deg, rgba(109,92,246,.12), rgba(255,120,183,.12));
  overflow: hidden; box-shadow: inset 0 0 0 1px rgba(109,92,246,.08);
}
.brand-logo { width: 100%; height: 100%; object-fit: contain; }
.desktop-nav { display: flex; align-items: center; gap: 30px; font-size: .95rem; font-weight: 650; color: var(--muted); }
.desktop-nav a { transition: .2s ease; }
.desktop-nav a:hover { color: var(--primary); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.accessibility-toggle, .menu-toggle {
  border: 1px solid var(--border); background: var(--surface); color: var(--text); border-radius: 12px;
  min-width: 42px; height: 42px; cursor: pointer; font-weight: 800;
}
.accessibility-toggle[aria-pressed="true"] { background: var(--primary); color: white; border-color: var(--primary); }
.menu-toggle { display: none; padding: 10px; }
.menu-toggle span { display: block; height: 2px; background: currentColor; margin: 4px 0; width: 20px; }
.mobile-nav { display: none; }

.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px; border-radius: 14px;
  font-weight: 800; border: 1px solid transparent; transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-small { min-height: 42px; padding: 0 16px; font-size: .92rem; }
.button-large { min-height: 56px; padding: 0 24px; }
.button-primary { color: #fff; background: linear-gradient(135deg, var(--primary), var(--primary-2)); box-shadow: 0 10px 28px rgba(109,92,246,.24); }
.button-primary:hover { box-shadow: 0 14px 34px rgba(109,92,246,.34); }
.button-ghost { background: var(--surface); border-color: var(--border); }
.button-icon { font-size: 1.12rem; }

.hero { position: relative; padding: 150px 0 86px; min-height: 800px; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(circle at 16% 25%, rgba(141,103,255,.16), transparent 31%),
    radial-gradient(circle at 90% 10%, rgba(255,120,183,.12), transparent 28%),
    linear-gradient(180deg, #fff 0%, #fbfaff 65%, #f8f7ff 100%);
  z-index: -3;
}
.hero-orb { position: absolute; border-radius: 50%; filter: blur(3px); opacity: .75; z-index: -2; }
.hero-orb-one { width: 260px; height: 260px; right: -70px; top: 180px; background: linear-gradient(135deg, rgba(109,92,246,.24), rgba(255,120,183,.1)); }
.hero-orb-two { width: 180px; height: 180px; left: -80px; bottom: 40px; background: rgba(109,92,246,.12); }
.hero-grid { display: grid; grid-template-columns: 1.03fr .97fr; align-items: center; gap: 60px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border: 1px solid rgba(109,92,246,.16); background: rgba(255,255,255,.74); border-radius: 999px; font-weight: 750; color: var(--primary-dark); font-size: .9rem; }
.eyebrow-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 5px rgba(43,191,136,.12); }
h1, h2, h3 { margin: 0; letter-spacing: -.045em; line-height: 1.07; }
h1 { font-size: clamp(3.3rem, 6.3vw, 6.1rem); margin: 22px 0 24px; max-width: 760px; }
h1 span { color: transparent; background: linear-gradient(110deg, var(--primary), #a653f4 58%, var(--accent)); -webkit-background-clip: text; background-clip: text; }
.hero-lead { font-size: clamp(1.06rem, 1.8vw, 1.28rem); color: var(--muted); max-width: 650px; margin: 0 0 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.trust-row { display: flex; flex-wrap: wrap; gap: 17px; margin-top: 28px; color: var(--muted); font-size: .9rem; font-weight: 650; }
.trust-row span::first-letter { color: var(--success); }

.hero-visual { position: relative; min-height: 585px; display: grid; place-items: center; }
.phone { position: absolute; width: 278px; height: 560px; padding: 10px; border-radius: 47px; background: #171523; box-shadow: 0 28px 90px rgba(42, 30, 100, .29); }
.phone::before { content: ""; position: absolute; inset: 3px; border-radius: 44px; border: 1px solid rgba(255,255,255,.14); pointer-events: none; }
.phone-front { z-index: 3; transform: rotate(4deg) translate(55px, 8px); }
.phone-back { z-index: 1; transform: rotate(-8deg) translate(-108px, 14px); opacity: .88; }
.phone-notch { position: absolute; top: 17px; left: 50%; transform: translateX(-50%); width: 90px; height: 20px; border-radius: 14px; background: #171523; z-index: 5; }
.phone-screen { height: 100%; border-radius: 38px; overflow: hidden; background: #f9f8ff; }
.chat-screen { padding: 42px 14px 14px; position: relative; background: linear-gradient(145deg,#fbfaff,#f1eeff); }
.chat-topbar { display: flex; align-items: center; gap: 9px; background: rgba(255,255,255,.9); margin: -32px -5px 16px; padding: 14px 8px 10px; border-radius: 22px; }
.chat-avatar { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; color: white; font-weight: 900; background: linear-gradient(135deg, #ff80bd, #7c62f6); }
.chat-topbar strong, .chat-topbar small { display:block; line-height:1.2; }
.chat-topbar small { color: var(--success); font-size:.67rem; margin-top:2px; }
.chat-icons { margin-left:auto; color:var(--muted); letter-spacing:3px; }
.chat-day { width: max-content; margin: 0 auto 12px; font-size: .65rem; color: var(--muted); background:#fff; padding:4px 8px; border-radius:999px; }
.bubble { width: max-content; max-width: 82%; padding: 9px 10px 5px; border-radius: 13px; margin: 8px 0; font-size: .78rem; box-shadow: 0 6px 14px rgba(54,44,100,.08); }
.bubble span, .image-message span { display:block; text-align:right; font-size:.55rem; color:#807a91; margin-top:4px; }
.bubble-in { background:#fff; border-bottom-left-radius:4px; }
.bubble-out { margin-left:auto; background:#ded8ff; border-bottom-right-radius:4px; }
.image-message { width: 68%; height: 126px; margin: 9px 0 10px auto; border-radius: 14px 14px 4px 14px; position:relative; overflow:hidden; background:linear-gradient(#8ed0ff 0 55%,#c9de76 56%); box-shadow:0 8px 16px rgba(54,44,100,.1); }
.image-sky { position:absolute; width:30px; height:30px; border-radius:50%; background:#ffe48c; right:19px; top:15px; }
.image-hill { position:absolute; border-radius:50% 50% 0 0; bottom:0; }
.hill-one { width:180px;height:72px;left:-30px;background:#5da667;transform:rotate(9deg); }
.hill-two { width:150px;height:62px;right:-50px;background:#4f8e59;transform:rotate(-7deg); }
.image-message span { position:absolute; right:8px; bottom:5px; color:white; text-shadow:0 1px 2px rgba(0,0,0,.3); }
.voice-message { display:flex; align-items:center; gap:8px; margin-left:auto; width:77%; background:#ded8ff; padding:8px 9px; border-radius:14px 14px 4px 14px; }
.voice-message button { width:30px;height:30px;border:0;border-radius:50%;background:var(--primary);color:white;cursor:pointer; }
.waveform { flex:1; height:26px; display:flex; align-items:center; gap:2px; }
.waveform i { width:2px; height:var(--h,40%); background:#857bb5; border-radius:2px; }
.waveform i:nth-child(2n){--h:80%}.waveform i:nth-child(3n){--h:55%}.waveform i:nth-child(5n){--h:95%}
.voice-message > span { font-size:.57rem;color:#736d8a;align-self:flex-end; }
.composer { position:absolute;left:10px;right:10px;bottom:13px;display:flex;align-items:center;gap:8px; }
.composer div { flex:1;background:#fff;padding:9px 12px;border-radius:999px;color:#a09bab;font-size:.7rem;box-shadow:0 6px 14px rgba(54,44,100,.07); }
.mini-profile-screen { padding: 52px 20px; }
.mini-top { width:70%; height:10px; margin:0 auto 30px; border-radius:20px; background:#e5e1f5; }
.mini-avatar { width:88px;height:88px;border-radius:50%;margin:0 auto 16px;background:linear-gradient(135deg,#ff8cc2,#765cf0); }
.mini-title,.mini-line,.mini-card { background:#e3def5;border-radius:20px; }
.mini-title { width:45%;height:13px;margin:0 auto 22px; }
.mini-line { width:58%;height:8px;margin:10px auto;opacity:.8; }.mini-line.wide{width:75%}
.mini-card { height:75px;border-radius:20px;margin:18px 0;background:#fff;box-shadow:0 9px 22px rgba(70,56,130,.08); }
.floating-pill { position:absolute; z-index:4; background:rgba(255,255,255,.9); border:1px solid rgba(109,92,246,.12); box-shadow:0 12px 35px rgba(55,42,120,.13); padding:10px 14px; border-radius:999px; font-size:.78rem; font-weight:800; backdrop-filter: blur(12px); }
.floating-pill-one { left:10px; top:90px; }.floating-pill-two{right:-10px;bottom:80px;}

.social-proof { background: #1c1834; color:white; padding:27px 0; }
.proof-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.proof-grid div { display:flex;flex-direction:column;align-items:center;text-align:center;border-right:1px solid rgba(255,255,255,.12); }
.proof-grid div:last-child{border-right:0}.proof-grid strong{font-size:1.15rem}.proof-grid span{font-size:.78rem;color:#c8c2dc;margin-top:3px;}

.section { padding: 104px 0; }
.section-soft { background: linear-gradient(180deg,#f5f3ff,#fbfbff); }
.section-heading { max-width: 790px; margin: 0 auto 54px; text-align:center; }
.kicker { display:inline-block; text-transform:uppercase; letter-spacing:.14em; font-weight:900; font-size:.76rem; color:var(--primary); margin-bottom:16px; }
.kicker-light { color:#c8bfff; }
h2 { font-size: clamp(2.35rem, 4.6vw, 4.2rem); }
.section-heading p, .split-copy > p, .security-copy > p { color:var(--muted);font-size:1.08rem;max-width:690px;margin:20px auto 0; }
.feature-grid { display:grid;gap:20px; }.feature-grid-3{grid-template-columns:repeat(3,1fr)}
.feature-card { background:var(--surface);border:1px solid var(--border);padding:30px;border-radius:var(--radius);box-shadow:0 10px 36px rgba(54,44,100,.06); }
.feature-icon { width:54px;height:54px;border-radius:17px;display:grid;place-items:center;margin-bottom:24px;background:linear-gradient(135deg,rgba(109,92,246,.13),rgba(255,120,183,.16));color:var(--primary);font-size:1.4rem;font-weight:900; }
.feature-card h3 { font-size:1.35rem;margin-bottom:12px; }.feature-card p{color:var(--muted);margin:0;}

.split-layout { display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center; }
.split-copy h2, .security-copy h2 { font-size:clamp(2.4rem,4vw,3.6rem); }
.split-copy > p,.security-copy > p{margin-left:0;margin-right:0;}
.check-list{list-style:none;padding:0;margin:30px 0 0;display:grid;gap:17px;}
.check-list li{display:flex;gap:13px;align-items:flex-start}.check-list li>span{flex:0 0 28px;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:rgba(43,191,136,.12);color:var(--success);font-weight:900}.check-list strong,.check-list small{display:block}.check-list small{color:var(--muted);margin-top:2px;}
.messages-demo{position:relative;min-height:470px}.demo-card{position:absolute;right:12px;top:28px;width:78%;padding:22px;background:white;border:1px solid var(--border);border-radius:24px;box-shadow:var(--shadow);transform:rotate(3deg)}.demo-card-shift{left:10px;top:180px;right:auto;transform:rotate(-3deg)}.demo-card-small{width:65%;right:30px;top:335px;transform:rotate(2deg)}
.demo-person{display:flex;align-items:center;gap:10px}.demo-avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;color:white;font-weight:900}.avatar-1{background:linear-gradient(135deg,#6e5cf5,#9d70ff)}.avatar-2{background:linear-gradient(135deg,#ef6fae,#ff9b72)}.demo-person strong,.demo-person small{display:block}.demo-person small{font-size:.72rem;color:var(--muted)}.demo-bubble{margin-top:15px;background:#e1dcff;padding:13px 15px;border-radius:16px 16px 5px 16px;font-weight:650}.demo-bubble-in{background:#f3f2f8;border-radius:16px 16px 16px 5px}.voice-inline{display:flex;align-items:center;gap:10px}.play{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--primary);color:white}.wave-mini{flex:1;height:26px;background:repeating-linear-gradient(90deg,#8a80b4 0 2px,transparent 2px 5px);mask:linear-gradient(180deg,transparent 5%,#000 45%,#000 55%,transparent 95%)}.voice-inline strong{font-size:.75rem;color:var(--muted)}

.generations { background:#fff; }
.generation-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.generation-card{min-height:360px;padding:38px;border-radius:32px;overflow:hidden;position:relative}.generation-card::after{content:"";position:absolute;width:240px;height:240px;border-radius:50%;right:-80px;bottom:-80px;opacity:.28}.generation-young{background:#201b3f;color:white}.generation-young::after{background:linear-gradient(135deg,#9c78ff,#ff7fbb)}.generation-senior{background:#f1efff;border:1px solid rgba(109,92,246,.11)}.generation-senior::after{background:#bcb0ff}.generation-badge{display:inline-block;padding:7px 11px;border-radius:999px;background:rgba(255,255,255,.13);font-size:.75rem;font-weight:850;margin-bottom:28px}.generation-senior .generation-badge{background:white;color:var(--primary)}.generation-card h3{font-size:clamp(2rem,3.2vw,3rem);max-width:540px}.generation-card p{max-width:530px;opacity:.78;font-size:1.05rem}.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}.tag-row span{padding:7px 10px;border:1px solid rgba(255,255,255,.16);border-radius:999px;font-size:.78rem}.try-large-text{margin-top:18px;background:var(--primary);color:white;border:0;border-radius:14px;padding:12px 16px;font-weight:800;cursor:pointer;position:relative;z-index:2}

.security-section{background:linear-gradient(180deg,#fbfbff,#f6f4ff)}.security-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:90px;align-items:center}.security-art{height:470px;position:relative;display:grid;place-items:center}.shield{width:180px;height:205px;clip-path:polygon(50% 0,91% 16%,88% 66%,50% 100%,12% 66%,9% 16%);background:linear-gradient(145deg,var(--primary),#a761f1);display:grid;place-items:center;box-shadow:var(--shadow);position:relative;z-index:2}.shield span{width:70px;height:70px;border-radius:50%;background:white;color:var(--primary);display:grid;place-items:center;font-size:2rem;font-weight:900}.security-orbit{position:absolute;border:1px dashed rgba(109,92,246,.28);border-radius:50%}.orbit-one{width:310px;height:310px}.orbit-two{width:410px;height:410px}.security-chip{position:absolute;background:white;border:1px solid var(--border);border-radius:999px;padding:9px 13px;box-shadow:0 10px 28px rgba(55,42,120,.1);font-size:.78rem;font-weight:850;z-index:3}.chip-one{top:70px;right:15px}.chip-two{bottom:75px;left:15px}.chip-three{bottom:42px;right:28px}.security-points{display:grid;gap:14px;margin-top:30px}.security-points>div{display:grid;grid-template-columns:52px 1fr;gap:14px;align-items:center;background:rgba(255,255,255,.65);border:1px solid var(--border);padding:14px;border-radius:18px}.security-points span{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:var(--surface-soft);color:var(--primary);font-weight:900}.security-points p{margin:0;color:var(--muted)}.security-points strong{color:var(--text)}

.testimonials-section{background:#fff}.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.quote-card{margin:0;padding:28px;background:#fbfaff;border:1px solid var(--border);border-radius:26px}.quote-card.featured{background:#201b3f;color:white;transform:translateY(-12px)}.quote-card blockquote{margin:0;font-size:1.08rem;font-weight:700;line-height:1.55}.quote-card figcaption{display:flex;gap:10px;align-items:center;margin-top:24px}.quote-avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#745ff4,#f576b6);color:white;font-weight:900;font-size:.78rem}.quote-card strong,.quote-card small{display:block}.quote-card small{color:var(--muted)}.quote-card.featured small{color:#bdb6d6}

.download-section{position:relative;overflow:hidden;background:#1d1838;color:white;padding:100px 0;text-align:center}.download-glow{position:absolute;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,rgba(122,91,255,.4),transparent 68%);left:50%;top:50%;transform:translate(-50%,-50%)}.download-inner{position:relative;z-index:2;max-width:840px}.download-logo-shell{width:92px;height:92px;border-radius:28px;background:white;margin:0 auto 26px;padding:4px;box-shadow:0 18px 48px rgba(0,0,0,.22);overflow:hidden}.download-logo-shell img{width:100%;height:100%;object-fit:contain}.download-section h2{max-width:760px;margin:0 auto}.download-section p{max-width:680px;margin:22px auto;color:#c8c2df;font-size:1.08rem}.store-buttons{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:30px}.store-button{position:relative;min-width:210px;display:grid;grid-template-columns:34px 1fr;align-items:center;text-align:left;gap:8px;background:white;color:#1b1930;border-radius:16px;padding:12px 18px;transition:.2s ease}.store-button:hover{transform:translateY(-2px)}.store-button span small,.store-button span strong{display:block}.store-button span small{font-size:.64rem;color:#77718b}.store-button span strong{font-size:1.05rem}.store-symbol{font-size:1.15rem;text-align:center}.store-button em{position:absolute;right:9px;top:8px;font-style:normal;font-size:.55rem;background:#eeeafe;color:var(--primary);padding:3px 6px;border-radius:999px;font-weight:900}.download-note{display:block;color:#8f88ad;margin-top:18px;}

.site-footer{background:#120f24;color:#d9d5e7;padding:58px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:34px}.brand-footer{color:white}.site-footer p{color:#8f89a6}.footer-links{display:flex;flex-direction:column;gap:9px}.footer-links strong{color:white;margin-bottom:6px}.footer-links a{color:#aaa4bf;font-size:.9rem}.footer-links a:hover{color:white}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.08);padding-top:22px;margin-top:42px;color:#77718c;font-size:.82rem}

.toast{position:fixed;z-index:2200;left:50%;bottom:24px;transform:translate(-50%,30px);opacity:0;pointer-events:none;background:#171327;color:#fff;padding:12px 16px;border-radius:14px;box-shadow:0 16px 50px rgba(0,0,0,.25);transition:.25s ease}.toast.show{opacity:1;transform:translate(-50%,0)}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}.reveal.visible{opacity:1;transform:none}.reveal-delay-1{transition-delay:.10s}.reveal-delay-2{transition-delay:.20s}

@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.button,.store-button{transition:none}}

@media (max-width: 980px){
  .desktop-nav{display:none}.menu-toggle{display:block}.header-actions .button-small{display:none}
  .mobile-nav{position:absolute;top:calc(var(--header-height) - 1px);left:20px;right:20px;background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:10px;box-shadow:var(--shadow);flex-direction:column}.mobile-nav.open{display:flex}.mobile-nav a{padding:11px 12px;border-radius:10px;font-weight:700}.mobile-nav a:hover{background:var(--surface-soft)}
  .hero{padding-top:125px}.hero-grid{grid-template-columns:1fr;text-align:center}.hero-copy{max-width:800px;margin:0 auto}.hero-lead{margin-left:auto;margin-right:auto}.hero-actions,.trust-row{justify-content:center}.hero-visual{min-height:620px;margin-top:10px}
  .feature-grid-3,.quote-grid{grid-template-columns:1fr}.feature-card{max-width:720px;width:100%;margin:auto}.quote-card.featured{transform:none}
  .split-layout,.security-grid{grid-template-columns:1fr;gap:50px}.split-copy{text-align:center}.split-copy>p{margin-left:auto;margin-right:auto}.check-list{max-width:620px;margin-inline:auto;text-align:left}.messages-demo{max-width:620px;width:100%;margin:auto}.security-grid{display:flex;flex-direction:column-reverse}.security-copy{text-align:center}.security-copy>p{margin-left:auto;margin-right:auto}.security-points{text-align:left;max-width:700px;margin:30px auto 0}.security-art{width:100%;max-width:550px}
  .generation-grid{grid-template-columns:1fr}.proof-grid{grid-template-columns:repeat(2,1fr)}.proof-grid div:nth-child(2){border-right:0}.proof-grid div{padding:8px 0}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}
}

@media (max-width: 640px){
  :root{--header-height:68px}.container{width:min(calc(100% - 28px),var(--container))}.site-header{height:var(--header-height)}.nav-wrap{min-height:var(--header-height)}.brand-logo-shell{width:38px;height:38px;border-radius:12px}.brand-name{font-size:1.05rem}.accessibility-toggle{min-width:40px;height:40px}
  .hero{min-height:auto;padding:108px 0 58px}h1{font-size:clamp(2.8rem,14vw,4.1rem)}.hero-lead{font-size:1.02rem}.hero-actions{display:grid}.button-large{width:100%}.trust-row{display:grid;gap:7px;text-align:left;width:max-content;max-width:100%;margin-left:auto;margin-right:auto}
  .hero-visual{min-height:520px;transform:scale(.86);margin:-10px -26px -35px}.phone{width:255px;height:515px}.phone-front{transform:rotate(3deg) translate(47px,0)}.phone-back{transform:rotate(-8deg) translate(-82px,5px)}.floating-pill-one{left:10px}.floating-pill-two{right:0}
  .section{padding:76px 0}.section-heading{margin-bottom:38px}h2{font-size:clamp(2.15rem,10vw,3.1rem)}.feature-card{padding:24px}.split-copy h2,.security-copy h2{font-size:clamp(2.15rem,9vw,3rem)}
  .messages-demo{min-height:440px}.demo-card{width:87%}.demo-card-shift{top:172px}.demo-card-small{top:325px;width:76%;right:5px}
  .generation-card{padding:27px;min-height:330px}.generation-card h3{font-size:2.2rem}.security-art{height:390px;transform:scale(.86);margin:-25px 0}.security-points>div{grid-template-columns:44px 1fr}.security-points span{width:40px;height:40px}
  .proof-grid{grid-template-columns:1fr}.proof-grid div{border-right:0;border-bottom:1px solid rgba(255,255,255,.1);padding:10px}.proof-grid div:last-child{border-bottom:0}
  .download-section{padding:76px 0}.store-buttons{display:grid}.store-button{width:100%;max-width:300px;margin:auto}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/3}.footer-grid>div:last-child{grid-column:auto}.footer-bottom{flex-direction:column;text-align:center}.footer-bottom span:last-child{display:none}
}

@media (prefers-color-scheme: dark){
  :root{--bg:#0f0d1a;--surface:#171426;--surface-soft:#1d1931;--text:#f5f2ff;--muted:#aaa4bd;--border:rgba(205,193,255,.12);--shadow:0 20px 60px rgba(0,0,0,.32)}
  .hero::before{background:radial-gradient(circle at 16% 25%,rgba(120,91,255,.19),transparent 31%),radial-gradient(circle at 90% 10%,rgba(255,120,183,.1),transparent 28%),linear-gradient(180deg,#100d1c 0%,#110f1f 65%,#141122 100%)}
  .eyebrow{background:rgba(23,20,38,.78)}.section-soft,.security-section{background:linear-gradient(180deg,#151225,#0f0d1a)}.generations,.testimonials-section{background:#0f0d1a}.generation-senior{background:#171329}.feature-card,.quote-card,.security-points>div{background:#171426}.chat-screen{background:linear-gradient(145deg,#2a2540,#201c33)}.chat-topbar,.bubble-in,.composer div{background:#39334d;color:#f7f4ff}.mini-profile-screen{background:#211d34}.mini-card{background:#302a46}.mini-top,.mini-title,.mini-line{background:#443d5c}.generation-senior .generation-badge{background:#25203d}.download-logo-shell{background:#fff}.store-button{background:#fff;color:#1b1930}.site-header.scrolled{background:rgba(15,13,26,.88)}
}