/* VogChat landing page */

body.landing { min-height: 100dvh; overflow-x: hidden; }

.site-header {
    position: sticky; top: 0; z-index: 40;
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    padding: calc(10px + var(--safe-top)) 20px 10px;
    background: color-mix(in srgb, var(--bg) 82%, transparent);
    backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px);
    border-bottom: 1px solid transparent; transition: border-color 0.2s;
}
.site-header.scrolled { border-bottom-color: var(--border); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; font-size: 1.15rem; letter-spacing: -0.02em; }
.brand img { border-radius: 9px; }
.nav-controls { display: flex; align-items: center; gap: 8px; }
.nav-link { text-decoration: none; font-weight: 550; font-size: 0.92rem; color: var(--text-2); padding: 8px 10px; border-radius: 10px; }
.nav-link:hover { color: var(--text); background: var(--bg-sunk); }

main { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* ---------- Hero ---------- */
.hero { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; padding: 56px 0 40px; }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-strong); font-weight: 650; font-size: 0.82rem; }
[data-theme="dark"] .pill { color: var(--accent); }
.hero h1 { margin: 18px 0 14px; font-size: clamp(2.1rem, 5.2vw, 3.6rem); line-height: 1.04; letter-spacing: -0.035em; font-weight: 800; text-wrap: balance; }
.lead { font-size: clamp(1.02rem, 1.6vw, 1.18rem); color: var(--text-2); max-width: 34em; text-wrap: pretty; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.hero-ctas.center { justify-content: center; }
.trust { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 22px; list-style: none; color: var(--text-3); font-size: 0.88rem; font-weight: 550; }
.trust li { display: inline-flex; align-items: center; gap: 7px; }
.trust .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* ---------- Phone demo: a miniature of the real chat screen ---------- */
.hero-demo { display: flex; justify-content: center; }
.phone {
    width: 100%; max-width: 330px; padding: 10px; border-radius: 48px;
    background: #1c1f22; box-shadow: var(--shadow-lg), inset 0 0 0 2px #3a3f44;
    position: relative;
}
.phone::before { content: ""; position: absolute; inset: -40px -30px; z-index: -1; background: radial-gradient(closest-side, var(--accent-glow), transparent); filter: blur(12px); }
.ph-screen {
    --wa-wall: #efeae2; --wa-in: #ffffff; --wa-out: #d9fdd3; --wa-text: #111b21; --wa-meta: #667781; --wa-glass: rgba(255,255,255,.88); --wa-bar: #f6f5f3;
    position: relative; overflow: hidden; border-radius: 38px; height: 560px;
    display: flex; flex-direction: column;
    background-color: var(--wa-wall); background-image: url("assets/doodle-light.svg?v=2"); background-size: 280px 280px;
    color: var(--wa-text); font-size: 13px;
}
[data-theme="dark"] .ph-screen { --wa-wall: #0b141a; --wa-in: #202c33; --wa-out: #005c4b; --wa-text: #e9edef; --wa-meta: #8696a0; --wa-glass: rgba(32,44,51,.9); --wa-bar: #1f2c34; background-image: url("assets/doodle-dark.svg?v=2"); }
.ph-status { display: flex; align-items: center; justify-content: space-between; padding: 12px 26px 4px; font-size: 13px; }
.ph-island { width: 86px; height: 24px; border-radius: 14px; background: #000; }
.ph-bat { width: 22px; height: 11px; border-radius: 3px; border: 1.5px solid currentColor; opacity: .8; }
.ph-head { display: flex; align-items: center; gap: 7px; padding: 6px 10px 8px; }
.ph-glass { display: inline-flex; align-items: center; justify-content: center; background: var(--wa-glass); box-shadow: 0 2px 8px rgba(0,0,0,.08); color: var(--wa-text); }
.ph-back { width: 32px; height: 32px; border-radius: 50%; flex: none; }
.ph-pill { height: 32px; padding: 0 10px; gap: 12px; border-radius: 16px; flex: none; }
.ph-av { width: 30px; height: 30px; border-radius: 50%; flex: none; display: grid; place-items: center; background: #f59e0b; color: #fff; font-weight: 700; font-size: 13px; }
.ph-who { flex: 1; min-width: 0; display: flex; flex-direction: column; line-height: 1.15; }
.ph-who b { font-size: 14px; }
.ph-who small { font-size: 11px; color: var(--wa-meta); }
.ph-body { flex: 1; min-height: 0; overflow: hidden; display: flex; flex-direction: column; gap: 3px; padding: 4px 12px 8px; }
.ph-chip { align-self: center; padding: 3px 10px; border-radius: 8px; background: var(--wa-in); font-weight: 600; font-size: 11px; box-shadow: 0 1px .5px rgba(11,20,26,.13); }
.ph-note { align-self: center; display: inline-flex; align-items: center; gap: 4px; margin: 6px 0 6px; padding: 4px 9px; border-radius: 7px; background: #ffeecd; color: #54656f; font-size: 10.5px; box-shadow: 0 1px .5px rgba(11,20,26,.13); }
[data-theme="dark"] .ph-note { background: #182229; color: #ffd279; }

.d-msg { position: relative; max-width: 82%; opacity: 0; transform: translateY(8px); animation: dIn .45s ease forwards; animation-delay: var(--d); margin-top: 2px; }
.d-msg.tail { margin-bottom: 4px; }
.d-msg p { display: flow-root; position: relative; padding: 5px 8px 6px 9px; border-radius: 14px; line-height: 1.3; box-shadow: 0 1px .5px rgba(11,20,26,.13); color: var(--wa-text); }
.d-msg p em { float: right; margin: 5px 0 -3px 8px; font-style: normal; font-size: 10px; color: var(--wa-meta); display: inline-flex; align-items: center; gap: 2px; }
.d-msg.in { align-self: flex-start; }
.d-msg.out { align-self: flex-end; }
.d-msg.in p, .d-msg.in .d-photo { background: var(--wa-in); }
.d-msg.out p { background: var(--wa-out); }
.d-msg.in.tail p, .d-msg.in.tail .d-photo { border-bottom-left-radius: 3px; }
.d-msg.out.tail p { border-bottom-right-radius: 3px; }
.d-msg.tail p::after, .d-msg.tail .d-photo::after { content: ""; position: absolute; bottom: 0; width: 7px; height: 11px; }
.d-msg.out.tail p::after { right: -6px; background: var(--wa-out); -webkit-mask: radial-gradient(16px circle at 17px -3px, transparent 98%, #000 100%); mask: radial-gradient(16px circle at 17px -3px, transparent 98%, #000 100%); }
.d-msg.in.tail p::after, .d-msg.in.tail .d-photo::after { left: -6px; background: var(--wa-in); -webkit-mask: radial-gradient(16px circle at -10px -3px, transparent 98%, #000 100%); mask: radial-gradient(16px circle at -10px -3px, transparent 98%, #000 100%); }
.d-react { position: absolute; left: 10px; bottom: -13px; font-size: 11px; padding: 1px 5px; border-radius: 999px; background: var(--wa-in); box-shadow: 0 1px 3px rgba(11,20,26,.2); }
.d-msg:has(.d-react) { margin-bottom: 14px; }
.d-photo { position: relative; display: flex; align-items: center; gap: 6px; padding: 16px 12px; border-radius: 14px; font-size: 11.5px; color: var(--wa-meta); box-shadow: 0 1px .5px rgba(11,20,26,.13); }
.d-photo .ico { color: #00a884; }
.d-typing { align-self: flex-start; display: flex; gap: 3px; margin-top: 4px; padding: 9px 11px; border-radius: 14px; background: var(--wa-in); box-shadow: 0 1px .5px rgba(11,20,26,.13); opacity: 0; animation: dIn .4s ease forwards; animation-delay: var(--d); }
.d-typing span { width: 5px; height: 5px; border-radius: 50%; background: var(--wa-meta); animation: blink 1.2s infinite; }
.d-typing span:nth-child(2) { animation-delay: .2s; }
.d-typing span:nth-child(3) { animation-delay: .4s; }
.ph-bar { display: flex; align-items: center; gap: 10px; padding: 7px 12px 22px; background: var(--wa-bar); color: var(--wa-text); }
.ph-input { flex: 1; padding: 6px 12px; border-radius: 16px; background: var(--wa-in); border: 1px solid rgba(0,0,0,.06); color: var(--wa-meta); font-size: 12.5px; }
@keyframes dIn { to { opacity: 1; transform: none; } }
@keyframes blink { 0%, 80%, 100% { opacity: .3; } 40% { opacity: 1; } }

/* ---------- Start (create / join) ---------- */
.start { padding: 24px 0 8px; scroll-margin-top: 80px; }
.invite-banner { display: flex; align-items: center; gap: 12px; padding: 14px 16px; margin-bottom: 16px; border-radius: var(--radius); background: var(--accent-soft); border: 1px solid var(--accent); font-weight: 600; }
.invite-banner .ico { color: var(--accent-strong); flex: none; }
[data-theme="dark"] .invite-banner .ico { color: var(--accent); }
.nick-field { max-width: 520px; margin: 0 auto 20px; padding: 18px 20px; border-radius: var(--radius-lg); background: var(--bg-elev); border: 1px solid var(--border); box-shadow: var(--shadow-md); }
.nick-field.need { border-color: var(--danger); box-shadow: 0 0 0 4px var(--danger-soft); }
.start-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.start.invited .join-box { order: -1; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft), var(--shadow-md); }
.card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 22px; box-shadow: var(--shadow-md); display: flex; flex-direction: column; gap: 16px; }
.card-head { display: flex; gap: 14px; align-items: flex-start; }
.card-head h2 { font-size: 1.2rem; letter-spacing: -0.015em; line-height: 1.25; }
.card-head p { color: var(--text-2); font-size: 0.92rem; margin-top: 2px; }
.step-num { width: 34px; height: 34px; border-radius: 11px; flex: none; display: grid; place-items: center; background: var(--accent); color: var(--accent-ink); font-weight: 800; }
.step-num.alt { background: var(--bg-sunk); color: var(--text); }

.code-row { display: flex; align-items: center; gap: 10px; padding: 12px; border-radius: var(--radius); background: var(--bg-sunk); border: 1px dashed var(--border-strong); }
.code-display { flex: 1; display: flex; justify-content: space-between; gap: 4px; min-width: 0; }
.code-char { flex: 1; max-width: 40px; aspect-ratio: 0.82; display: grid; place-items: center; border-radius: 10px; background: var(--bg-elev); border: 1px solid var(--border); font-family: var(--mono); font-weight: 600; font-size: clamp(1rem, 3.6vw, 1.25rem); color: var(--accent-strong); transition: transform 0.2s ease; }
[data-theme="dark"] .code-char { color: var(--accent); }
.code-char.flip { transform: rotateX(90deg); }
.code-actions { display: flex; gap: 2px; }
#copyBtn.copied { color: var(--accent-strong); background: var(--accent-soft); }

.field { display: flex; flex-direction: column; gap: 6px; }
.field > span { font-weight: 650; font-size: 0.88rem; }
.field small { color: var(--text-3); font-size: 0.8rem; }
.field input { height: 50px; padding: 0 14px; border-radius: 14px; border: 1px solid var(--border-strong); background: var(--bg-input); font-size: 1rem; outline: none; transition: border-color 0.15s, box-shadow 0.15s; }
.field input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.field input.code-input { font-family: var(--mono); letter-spacing: 0.2em; text-transform: uppercase; font-weight: 600; text-align: center; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.legal { font-size: 0.78rem; color: var(--text-3); text-align: center; }
.legal a { color: var(--text-2); }

/* ---------- Sections ---------- */
.section { padding: 64px 0 8px; scroll-margin-top: 70px; }
.section-title { font-size: clamp(1.6rem, 3.4vw, 2.2rem); letter-spacing: -0.03em; text-align: center; margin-bottom: 28px; }
.steps { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: s; }
.steps li { position: relative; padding: 22px; border-radius: var(--radius-lg); background: var(--bg-elev); border: 1px solid var(--border); }
.steps li::after { counter-increment: s; content: counter(s); position: absolute; top: 16px; right: 18px; font-weight: 800; font-size: 2rem; color: var(--border-strong); }
.step-ico, .f-ico { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-strong); margin-bottom: 14px; }
[data-theme="dark"] .step-ico, [data-theme="dark"] .f-ico { color: var(--accent); }
.steps h3, .feature h3 { font-size: 1.05rem; margin-bottom: 4px; letter-spacing: -0.01em; }
.steps p, .feature p { color: var(--text-2); font-size: 0.94rem; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature { padding: 20px; border-radius: var(--radius-lg); background: var(--bg-elev); border: 1px solid var(--border); transition: transform 0.2s, box-shadow 0.2s; }
.feature:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.uses { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.uses .use { display: inline-flex; align-items: center; gap: 9px; padding: 10px 16px; border-radius: 999px; background: var(--bg-elev); border: 1px solid var(--border); font-weight: 550; font-size: 0.95rem; }
.uses .use .ico { color: var(--accent-strong); }
[data-theme="dark"] .uses .use .ico { color: var(--accent); }
.faq { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.faq details { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); padding: 0 18px; }
.faq summary { list-style: none; cursor: pointer; padding: 16px 0; font-weight: 650; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.3rem; line-height: 1; color: var(--text-3); transition: transform 0.2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--text-2); padding-bottom: 16px; }

.final { margin: 72px 0 24px; padding: 44px 24px; text-align: center; border-radius: 28px; background: radial-gradient(120% 140% at 50% 0%, var(--accent-soft), transparent 70%), var(--bg-elev); border: 1px solid var(--border); }
.final h2 { font-size: clamp(1.5rem, 3.4vw, 2.1rem); letter-spacing: -0.03em; text-wrap: balance; }

.site-footer { max-width: 1120px; margin: 0 auto; padding: 28px 20px calc(28px + var(--safe-bottom)); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; color: var(--text-3); font-size: 0.88rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.footer-links a { text-decoration: none; color: var(--text-2); }
.footer-links a:hover { color: var(--text); }

.textarea { width: 100%; min-height: 120px; resize: vertical; padding: 12px; border-radius: 12px; border: 1px solid var(--border-strong); background: var(--bg-input); outline: none; }
.textarea:focus { border-color: var(--accent); }
.count { display: block; margin-top: 4px; font-size: 0.75rem; color: var(--text-3); }
.modal-actions { display: flex; gap: 8px; margin-top: 12px; }
.modal-actions .cancel-btn, .modal-actions .confirm-btn { flex: 1; margin-top: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .hero { grid-template-columns: 1fr; gap: 28px; padding-top: 28px; }
    .hero-demo { order: 2; }
    .phone { max-width: 310px; }
    .ph-screen { height: 520px; }
    .features { grid-template-columns: 1fr 1fr; }
    .steps { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
    .site-header { padding-left: 16px; padding-right: 16px; }
    main { padding: 0 16px; }
    .hide-sm { display: none; }
    .hero { padding-top: 20px; }
    .hero-ctas .btn { flex: 1 1 auto; }
    .start-grid { grid-template-columns: 1fr; }
    .card { padding: 18px; border-radius: 20px; }
    .features { grid-template-columns: 1fr; }
    .section { padding-top: 52px; }
    .site-footer { justify-content: center; text-align: center; }
    .footer-links { justify-content: center; }
}

/* ===================== v4: WhatsApp/Signal-style story ===================== */
.btn-sm { min-height: 38px; padding: 0 16px; font-size: 0.9rem; box-shadow: none; }
@media (max-width: 520px) { .hide-xs { display: none !important; } }
.pill .ico { flex: none; }
.hero h1 { font-size: clamp(2.3rem, 6vw, 4rem); }

.feat { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; padding: 64px 0 8px; }
.feat.reverse .feat-copy { order: 2; }
.feat-copy h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); letter-spacing: -0.03em; line-height: 1.08; margin: 14px 0 10px; text-wrap: balance; }
.feat-copy p { color: var(--text-2); font-size: 1.12rem; max-width: 30em; }
.feat-ico { width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-strong); }
[data-theme="dark"] .feat-ico { color: var(--accent); }
.feat-visual { display: flex; justify-content: center; }

.mini { width: 260px; min-height: 300px; border-radius: 34px; padding: 22px 18px; background-color: #efeae2; background-image: url("assets/doodle-light.svg?v=2"); background-size: 280px 280px; border: 8px solid #1c1f22; box-shadow: var(--shadow-lg); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; color: #111b21; }
[data-theme="dark"] .mini { background-color: #0b141a; background-image: url("assets/doodle-dark.svg?v=2"); color: #e9edef; }
.mini-welcome { width: 100%; background: #fff; border-radius: 20px; padding: 20px 16px; display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; box-shadow: 0 1px .5px rgba(11,20,26,.13); color: #111b21; }
.mini-welcome img { border-radius: 14px; }
.mini-welcome b { font-size: 1.02rem; }
.mini-badge { display: inline-flex; align-items: center; gap: 4px; font-size: .72rem; font-weight: 600; color: #008069; background: rgba(0,168,132,.1); padding: 4px 9px; border-radius: 99px; }
.mini-input { width: 100%; padding: 9px; border-radius: 10px; background: #f0f2f5; color: #8696a0; font-size: .85rem; }
.mini-btn { width: 100%; padding: 10px; border-radius: 99px; background: #00a884; color: #fff; font-weight: 650; font-size: .9rem; text-align: center; }
.mini-qr-box { width: 170px; height: 170px; padding: 12px; background: #fff; border-radius: 18px; box-shadow: 0 1px .5px rgba(11,20,26,.13); }
.mini-qr-box svg { display: block; width: 100%; height: 100%; }
.mini-code { font-family: var(--mono); font-size: 1.25rem; letter-spacing: .14em; background: #fff; color: #111b21; padding: 4px 12px; border-radius: 10px; }
.mini-qr .mini-btn { width: auto; padding: 10px 22px; }
.mini-chat { gap: 14px; }
.mini-chat .d-photo { background: #fff; width: 100%; box-shadow: 0 1px .5px rgba(11,20,26,.13); }
.ph-note.meet { background: #fff; color: #111b21; font-weight: 600; font-size: .78rem; display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border-radius: 8px; }
.ph-note.meet .ico { color: #00a884; }

.cipher { width: min(360px, 100%); display: flex; flex-direction: column; gap: 10px; padding: 22px; border-radius: 24px; background: var(--bg-elev); border: 1px solid var(--border); box-shadow: var(--shadow-md); }
.cipher-row { display: flex; flex-direction: column; gap: 6px; }
.cipher-row small { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--text-3); }
.cipher-bubble { align-self: flex-end; background: #d9fdd3; color: #111b21; padding: 8px 12px; border-radius: 16px 16px 4px 16px; font-size: .95rem; }
.cipher-bubble.in { align-self: flex-start; background: #fff; border: 1px solid var(--border); border-radius: 16px 16px 16px 4px; }
.cipher-code { font-family: var(--mono); font-size: .78rem; padding: 10px 12px; border-radius: 12px; background: var(--bg-sunk); color: var(--text-2); word-break: break-all; }
.cipher-arrow { align-self: center; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-strong); }

.promise { margin: 72px 0 8px; padding: 46px 24px; border-radius: 28px; text-align: center; background: #111b21; color: #e9edef; }
.promise h2 { font-size: clamp(1.7rem, 4vw, 2.6rem); letter-spacing: -0.03em; text-wrap: balance; }
.promise p { margin: 12px auto 0; max-width: 34em; color: #aebac1; font-size: 1.08rem; }

/* app-like start panel (same look as the iPhone app) */
.start { padding-top: 72px; }
.app-panel { max-width: 480px; margin: 0 auto; padding: 20px; border-radius: 28px; background: var(--bg-elev); border: 1px solid var(--border); box-shadow: var(--shadow-lg); display: flex; flex-direction: column; gap: 16px; }
.app-head { display: flex; align-items: center; gap: 10px; }
.app-head b { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.03em; flex: 1; }
.app-head img { border-radius: 9px; }
.app-lock { display: inline-flex; align-items: center; gap: 5px; font-size: .75rem; font-weight: 650; color: var(--accent-strong); background: var(--accent-soft); padding: 5px 10px; border-radius: 99px; }
[data-theme="dark"] .app-lock { color: var(--accent); }
#nickField { max-width: none; margin: 0; padding: 0; background: none; border: 0; box-shadow: none; }
#nickField.need input { border-color: var(--danger); box-shadow: 0 0 0 4px var(--danger-soft); }
.app-panel .field input { border-radius: 14px; background: var(--bg-sunk); border-color: transparent; }
.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 4px; border-radius: 16px; background: var(--bg-sunk); }
.seg-btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-height: 42px; border-radius: 12px; font-weight: 650; font-size: .92rem; color: var(--text-2); transition: background .2s, color .2s, box-shadow .2s; }
.seg-btn.active { background: var(--bg-elev); color: var(--text); box-shadow: var(--shadow-sm); }
.pane { display: flex; flex-direction: column; gap: 14px; animation: paneIn .25s ease; }
@keyframes paneIn { from { opacity: 0; transform: translateY(6px); } }
.app-panel .code-row { border: 0; background: var(--bg-sunk); padding: 14px 10px; border-radius: 18px; }
.app-panel .code-char { background: var(--bg-elev); border: 0; box-shadow: var(--shadow-sm); color: var(--accent-strong); transition: transform .22s ease, opacity .22s ease; }
[data-theme="dark"] .app-panel .code-char { color: var(--accent); }
.code-char.flip { transform: rotateX(90deg) scale(.9); opacity: .2; }
.app-panel .code-actions { display: flex; justify-content: center; gap: 10px; }
.chip-btn { position: relative; display: inline-flex; align-items: center; gap: 7px; height: 38px; padding: 0 14px; border-radius: 99px; background: var(--bg-sunk); color: var(--text); font-weight: 600; font-size: .88rem; transition: background .2s, color .2s, transform .15s; }
.chip-btn:active { transform: scale(.95); }
.chip-btn .ic { display: inline-grid; place-items: center; }
.chip-btn .ic-done { display: none; }
.chip-btn.copied { background: var(--accent); color: #fff; }
.chip-btn.copied .ic-copy { display: none; }
.chip-btn.copied .ic-done { display: inline-grid; animation: pop .45s cubic-bezier(.2,1.6,.4,1); }
@keyframes pop { 0% { transform: scale(.3) rotate(-30deg); } 100% { transform: none; } }
.chip-btn .ic-spin svg { transition: transform .55s cubic-bezier(.3,1.4,.5,1); }
.chip-btn.spinning .ic-spin svg { transform: rotate(360deg); }
.final img { border-radius: 18px; margin-bottom: 14px; }

@media (max-width: 900px) {
    .feat, .feat.reverse { grid-template-columns: 1fr; gap: 26px; padding-top: 52px; text-align: center; }
    .feat.reverse .feat-copy { order: 0; }
    .feat-copy p { margin: 0 auto; }
    .feat-ico { margin: 0 auto; }
}
@media (max-width: 640px) {
    .app-panel { padding: 16px; border-radius: 24px; }
    .promise { border-radius: 22px; }
}

/* v5 — How it works: the iPhone app's intro animation inside a phone, steps beside it */
.how { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 72px 0 16px; }
.how-copy h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); letter-spacing: -0.03em; margin: 0 0 22px; }
.how-steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.how-steps li { display: flex; gap: 14px; align-items: flex-start; padding: 14px 16px; border-radius: 18px; cursor: pointer; border: 1px solid transparent; transition: background .3s, border-color .3s; }
.how-steps li:hover { background: var(--bg-elev); }
.how-steps li.on { background: var(--bg-elev); border-color: var(--border); box-shadow: var(--shadow-sm); }
.how-n { width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0; display: grid; place-items: center; font-weight: 800; background: var(--bg-sunk); color: var(--text-2); transition: background .3s, color .3s; }
.how-steps li.on .how-n { background: var(--accent); color: #fff; }
.how-steps b { display: block; font-size: 1.12rem; }
.how-steps small { display: block; color: var(--text-2); font-size: .98rem; margin-top: 2px; line-height: 1.4; }
.how-phone { display: flex; justify-content: center; }
.how-screen { width: 340px; border-radius: 46px; border: 10px solid #1c1f22; background: #fff; padding: 18px 0 22px; box-shadow: var(--shadow-lg); }
[data-theme="dark"] .how-screen { background: #111b21; }
.how-brand { display: flex; align-items: center; justify-content: center; gap: 7px; margin-bottom: 14px; }
.how-brand b { font-size: 17px; font-weight: 800; letter-spacing: -.3px; }
.how .vi-slide { padding: 0 14px; }
.how .vi-title { font-size: 21px; margin-top: 16px; }
.how .vi-text { font-size: 14.5px; min-height: 40px; padding: 0 6px; }
.open-code { display: inline-flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px; margin-top: 22px; padding: 10px 16px; border-radius: 999px; background: rgba(255,255,255,.08); color: #e9edef; font-size: .98rem; text-decoration: none; }
.open-code b { color: #25d366; }
.open-code:hover { background: rgba(255,255,255,.14); }
@media (max-width: 900px) {
    .how { grid-template-columns: 1fr; gap: 28px; padding-top: 48px; }
    .how-copy h2 { text-align: center; }
    .how-steps { display: none; }
    .how-screen { width: min(340px, 100%); }
}

/* v6 — phones: "App view or Website?" on the first visit */
.mode-pick { display: none; }
html.choose-mode body { overflow: hidden; }
html.choose-mode .mode-pick { display: flex; position: fixed; inset: 0; z-index: 2000; flex-direction: column; align-items: center; justify-content: center; gap: 14px; padding: 24px 20px calc(24px + env(safe-area-inset-bottom)); background: var(--bg); text-align: center; overflow-y: auto; }
.mode-pick h1 { font-size: 26px; line-height: 1.15; letter-spacing: -.4px; margin: 4px 0 8px; max-width: 320px; }
.mode-card { display: flex; align-items: center; gap: 14px; width: 100%; max-width: 380px; padding: 14px; border-radius: 22px; background: var(--bg-elev); border: 1px solid var(--border); box-shadow: var(--shadow-sm); text-align: left; cursor: pointer; transition: transform .12s, border-color .2s; }
.mode-card:active { transform: scale(.98); }
.mode-card[data-mode="app"] { border: 2px solid var(--accent); }
.mode-txt b { display: block; font-size: 18px; color: var(--text); }
.mode-txt small { display: block; font-size: 14px; color: var(--text-2); margin-top: 3px; line-height: 1.35; }
.mode-art { width: 62px; height: 96px; flex-shrink: 0; border-radius: 14px; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-end; gap: 5px; padding: 8px 7px; box-sizing: border-box; border: 3px solid #1c1f22; }
.mode-art i { display: block; height: 10px; width: 34px; border-radius: 5px; background: #fff; }
.mode-art i.o { background: #d9fdd3; align-self: flex-end; width: 28px; }
.mode-art.web { width: 96px; height: 70px; border-width: 2px; border-radius: 10px; justify-content: flex-start; background: var(--bg-sunk); padding: 0 8px 8px; gap: 5px; }
.mode-art.web i { width: 100%; height: 6px; background: var(--border-strong); }
.mode-art.web i.bar { height: 10px; margin: 0 -8px 2px; width: calc(100% + 16px); border-radius: 0; background: var(--border); }
.mode-art.web i.h { width: 70%; height: 9px; background: var(--accent); }
.mode-pick p { font-size: 13px; color: var(--text-3); margin: 6px 0 0; }
.phone-only { display: none !important; }
html.is-phone .phone-only { display: inline-flex !important; }

@media (max-width: 900px) { .how { grid-template-columns: minmax(0, 1fr); } .how-copy, .how-phone { min-width: 0; } }
.app-switch { position: fixed; left: 50%; bottom: calc(14px + env(safe-area-inset-bottom)); transform: translateX(-50%); z-index: 90; align-items: center; gap: 8px; padding: 12px 20px; border-radius: 999px; background: var(--accent); color: #fff; font-weight: 700; font-size: 15px; text-decoration: none; box-shadow: 0 8px 24px rgba(0,80,60,.3); white-space: nowrap; }
html.is-phone .site-footer { padding-bottom: 90px; }

/* v7 — section 2: code + password first, QR only as a small extra */
.mini-lbl { font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; opacity: .7; margin-top: 4px; }
.mini-or { display: flex; align-items: center; gap: 10px; margin-top: 10px; font-size: .82rem; opacity: .85; }
.mini-qr-box.small { width: 54px; height: 54px; padding: 5px; border-radius: 10px; flex-shrink: 0; }

/* globe language switch (phone screens) — the native picker opens on tap */
.lang-pick { position: relative; display: inline-flex; align-items: center; gap: 5px; height: 32px; padding: 0 11px; border-radius: 16px; background: var(--sunk, var(--bg-sunk)); color: var(--text); font-size: 13px; font-weight: 700; }
.lang-pick select { position: absolute; inset: 0; opacity: 0; width: 100%; font-size: 16px; cursor: pointer; }
.mode-pick .lang-pick { position: absolute; top: calc(14px + env(safe-area-inset-top)); right: 16px; }

/* v8 — hero in three columns on a computer: text · phone · start panel (people can start right away) */
.hero { grid-template-areas: "copy demo start"; grid-template-columns: minmax(0, 1fr) 290px 400px; gap: 36px; width: min(1320px, calc(100vw - 40px)); position: relative; left: 50%; transform: translateX(-50%); }
.hero-copy { grid-area: copy; }
.hero-demo { grid-area: demo; }
.hero-start { grid-area: start; padding: 0; scroll-margin-top: 90px; }
.hero h1 { font-size: clamp(2.2rem, 3.6vw, 3.6rem); }
.hero .phone { max-width: 290px; }
.hero-start .app-panel { max-width: none; margin: 0; }
@media (max-width: 1180px) {
    .hero { grid-template-areas: "copy start" "demo start"; grid-template-columns: minmax(0, 1fr) 400px; row-gap: 28px; }
}
@media (max-width: 900px) {
    .hero { grid-template-areas: "copy" "start" "demo"; grid-template-columns: minmax(0, 1fr); width: 100%; left: 0; transform: none; }
    .hero-start .app-panel { max-width: 480px; margin: 0 auto; }
}
.flag { width: 20px; height: 15px; border-radius: 3px; object-fit: cover; vertical-align: -2px; box-shadow: 0 0 0 1px rgba(0,0,0,.08); }
.lang-current .flag, .lang-code .flag { margin-right: 4px; }

/* v9 — people picture section */
.promo-people { padding-top: 72px; }
.people-img { display: block; width: 100%; max-width: 520px; height: auto; border-radius: 32px; box-shadow: var(--shadow-lg); }
.promo-people .hero-ctas { margin-top: 22px; }