:root {
  color-scheme: dark;
  --bg: #07110f; --bg-soft: #0b1714; --surface: #101e1a; --surface-2: #142520;
  --text: #eefbf6; --muted: #a4b8b0; --line: rgba(196, 255, 230, .12);
  --green: #15d889; --green-2: #8fffd2; --green-dark: #063f2b;
  --accent-foreground: #04170f;
  --shadow: 0 28px 80px rgba(0, 0, 0, .38); --radius: 22px; --max: 1180px;
}
[data-theme="light"] {
  color-scheme: light; --bg: #f5fbf8; --bg-soft: #eaf6f0; --surface: #fff; --surface-2: #eff8f4;
  --text: #10241d; --muted: #587067; --line: rgba(12, 70, 49, .13);
  --green: #087a4d; --green-2: #075f40; --green-dark: #d8f8ea; --accent-foreground: #fff;
  --shadow: 0 28px 80px rgba(17, 65, 47, .13);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.6; }
button, a { font: inherit; } a { color: inherit; text-decoration: none; }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid var(--green-2); outline-offset: 4px; }
.shell { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; left: 20px; top: -80px; z-index: 100; padding: 10px 16px; border-radius: 10px; background: var(--green); color: var(--accent-foreground); font-weight: 800; transition: top .2s; }
.skip-link:focus { top: 20px; }

.site-header { position: sticky; top: 0; z-index: 30; border-bottom: 1px solid transparent; background: color-mix(in srgb, var(--bg) 80%, transparent); backdrop-filter: blur(18px); transition: border-color .2s; }
.site-header.scrolled { border-color: var(--line); }
.nav { height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 820; letter-spacing: -.03em; font-size: 1.15rem; }
.brand img { display: block; }
.nav-links { display: flex; align-items: center; gap: 30px; color: var(--muted); font-size: .94rem; }
.nav-links a { min-height: 44px; display: inline-flex; align-items: center; }
.nav-links a:hover { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.icon-button { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 12px; color: var(--text); background: var(--surface); cursor: pointer; }
.icon-button svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
.menu-toggle { display: none; }
.button { display: inline-flex; min-height: 48px; padding: 0 22px; align-items: center; justify-content: center; border: 1px solid var(--green); border-radius: 13px; background: var(--green); color: var(--accent-foreground); font-weight: 800; cursor: pointer; box-shadow: 0 10px 28px rgba(21, 216, 137, .16); transition: transform .2s, box-shadow .2s; }
.button:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(21, 216, 137, .26); }
.button:disabled { opacity: .58; cursor: not-allowed; }
.button-small { min-height: 40px; padding-inline: 17px; font-size: .9rem; }
.button-ghost { background: transparent; color: var(--text); border-color: var(--line); box-shadow: none; }
.button-ghost:hover:not(:disabled) { border-color: var(--green); box-shadow: none; }
.full { width: 100%; }

.hero { min-height: 720px; padding-block: 92px 108px; display: grid; grid-template-columns: .95fr 1.05fr; align-items: center; gap: 70px; }
.eyebrow { margin: 0 0 18px; text-transform: uppercase; letter-spacing: .14em; color: var(--green); font-weight: 800; font-size: .74rem; }
.status-dot { width: 8px; height: 8px; display: inline-block; border-radius: 50%; background: var(--green); margin-right: 8px; box-shadow: 0 0 0 6px rgba(21, 216, 137, .1); }
h1, h2, h3, p { text-wrap: balance; }
h1 { margin: 0; font-size: clamp(3.15rem, 6.1vw, 5.7rem); line-height: .99; letter-spacing: -.067em; max-width: 760px; }
h1 span { color: var(--green-2); }
.hero-lead { color: var(--muted); max-width: 630px; margin: 26px 0 30px; font-size: 1.18rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.trust-list { display: flex; flex-wrap: wrap; gap: 22px; padding: 0; margin: 28px 0 0; list-style: none; color: var(--muted); font-size: .86rem; }
.trust-list span { color: var(--green); font-weight: 900; margin-right: 5px; }

.hero-visual { position: relative; perspective: 1300px; }
.glow { position: absolute; inset: 10% 5%; border-radius: 50%; background: rgba(21, 216, 137, .2); filter: blur(80px); }
.app-window { --green: #15d889; --green-2: #8fffd2; position: relative; overflow: hidden; border: 1px solid rgba(171, 255, 221, .22); border-radius: 20px; background: #0a1513; color: #eefbf6; box-shadow: var(--shadow); transform: rotateY(-4deg) rotateX(1.5deg); }
.window-bar { height: 42px; display: flex; align-items: center; gap: 7px; padding: 0 14px; border-bottom: 1px solid rgba(255,255,255,.06); background: #0f1d1a; color: #7f9890; font-size: .68rem; }
.window-bar i { width: 8px; height: 8px; border-radius: 50%; background: #274139; }
.window-bar span { margin-left: 8px; }
.app-body { min-height: 410px; display: grid; grid-template-columns: 34% 66%; }
.contact-list { padding: 18px 12px; background: #0d1a17; border-right: 1px solid rgba(255,255,255,.06); }
.mini-brand { display: flex; align-items: center; gap: 7px; padding: 0 6px 14px; font-size: .78rem; }
.search-placeholder { height: 28px; margin-bottom: 13px; border-radius: 8px; background: #162722; }
.contact { display: flex; align-items: center; gap: 9px; border-radius: 10px; padding: 10px 8px; font-size: .72rem; color: #d8eae4; }
.contact.active { background: #17332a; }
.contact span:last-child, .conversation-head > span { display: grid; }
.contact small, .conversation-head small { color: #789189; font-size: .61rem; }
.avatar { width: 30px; height: 30px; flex: 0 0 30px; display: grid; place-items: center; border-radius: 50%; color: #061611; font-weight: 800; }
.mint { background: #68e8b4; } .blue { background: #83b9ff; } .violet { background: #c3a0ff; }
.conversation { display: grid; grid-template-rows: auto 1fr auto; background: radial-gradient(circle at 70% 20%, #14241f, #091411 60%); }
.conversation-head { height: 58px; padding: 0 16px; display: flex; align-items: center; gap: 9px; border-bottom: 1px solid rgba(255,255,255,.06); font-size: .75rem; }
.online-dot { display: inline-block; width: 5px; height: 5px; background: var(--green); border-radius: 50%; }
.head-icons { margin-left: auto; color: #88a098; letter-spacing: .5em; }
.messages { padding: 28px 20px; display: flex; flex-direction: column; gap: 12px; }
.bubble { max-width: 76%; padding: 9px 11px 6px; border-radius: 12px; color: #dfece7; background: #1a2c26; font-size: .72rem; }
.bubble.sent { align-self: flex-end; color: #052016; background: #55dfa7; border-bottom-right-radius: 3px; }
.bubble.received { border-bottom-left-radius: 3px; }
.bubble time { display: block; margin-top: 3px; font-size: .52rem; text-align: right; opacity: .65; }
.secure-note { margin: auto auto 0; color: #6f8b82; font-size: .58rem; } .secure-note span { color: var(--green); }
.composer { height: 52px; margin: 0 13px 13px; padding: 0 13px; display: flex; align-items: center; gap: 10px; border: 1px solid rgba(255,255,255,.07); border-radius: 12px; background: #101e1a; color: #718980; font-size: .65rem; }
.composer b { margin-left: auto; color: var(--green); }

.proof-strip { border-block: 1px solid var(--line); background: var(--bg-soft); }
.proof-grid { min-height: 118px; display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; }
.proof-grid div { padding: 8px 28px; display: grid; border-right: 1px solid var(--line); }
.proof-grid div:last-child { border: 0; }
.proof-grid strong { color: var(--green-2); font-size: 1.35rem; letter-spacing: -.03em; }
.proof-grid span { color: var(--muted); font-size: .78rem; }

.section { padding-block: 120px; } .section-tint { background: var(--bg-soft); }
.section-heading { max-width: 650px; margin-bottom: 52px; } .section-heading.centered { margin-inline: auto; text-align: center; }
h2 { margin: 0; font-size: clamp(2.35rem, 4.5vw, 4rem); line-height: 1.03; letter-spacing: -.055em; }
.section-heading > p:last-child { color: var(--muted); font-size: 1.05rem; }
.privacy-flow { display: grid; grid-template-columns: 1fr 120px 1fr 120px 1fr; align-items: center; }
.privacy-flow article { min-height: 230px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.flow-icon, .card-icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 14px; background: var(--green-dark); color: var(--green); font-weight: 900; }
.server-icon { border: 1px dashed var(--green); background: transparent; }
.privacy-flow h3, .feature-card h3 { margin: 28px 0 7px; font-size: 1.12rem; }
.privacy-flow p, .feature-card p { color: var(--muted); margin: 0; font-size: .9rem; }
.flow-line { height: 1px; background: repeating-linear-gradient(90deg, var(--green) 0 5px, transparent 5px 10px); text-align: center; }
.flow-line span { position: relative; top: -13px; padding: 0 6px; color: var(--muted); background: var(--bg); font-size: .65rem; text-transform: uppercase; }
.honesty-note { margin-top: 28px; padding: 20px 24px; border-left: 3px solid var(--green); color: var(--muted); background: var(--surface); font-size: .88rem; }
.honesty-note b { color: var(--text); }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature-card { min-height: 270px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.feature-card.featured { grid-row: span 2; min-height: 556px; background: linear-gradient(145deg, var(--surface), var(--green-dark)); }
.feature-card.featured .card-icon { background: var(--green); color: var(--accent-foreground); }
.mini-bubbles { display: grid; gap: 13px; margin-top: 72px; }
.mini-bubbles i { height: 38px; width: 72%; border-radius: 12px; background: color-mix(in srgb, var(--text) 8%, transparent); }
.mini-bubbles i:nth-child(2) { width: 82%; justify-self: end; background: var(--green); opacity: .75; }
.mini-bubbles i:nth-child(3) { width: 53%; }

.pricing-grid { max-width: 790px; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 18px; margin-inline: auto; }
.price-card { position: relative; padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.price-card.premium { padding-block: 44px; border-color: var(--green); box-shadow: 0 20px 70px rgba(21,216,137,.1); }
.plan-badge { position: absolute; top: -14px; right: 22px; margin: 0; padding: 5px 11px; border-radius: 999px; background: var(--green); color: var(--accent-foreground); font-size: .68rem; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; }
.plan-name { margin: 0 0 12px; font-weight: 800; }
.price { display: flex; align-items: baseline; gap: 8px; } .price strong { font-size: 2.5rem; letter-spacing: -.05em; } .price span { color: var(--muted); font-size: .8rem; }
.price-card ul { min-height: 190px; padding: 18px 0 10px; list-style: none; color: var(--muted); font-size: .88rem; }
.price-card li { padding-block: 6px; } .price-card li::before { content: "✓"; margin-right: 9px; color: var(--green); font-weight: 900; }

.faq-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 90px; }
.text-link { min-height: 44px; display: inline-flex; align-items: center; color: var(--green); font-weight: 800; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { padding: 22px 3px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; font-weight: 750; list-style: none; }
summary::-webkit-details-marker { display: none; } summary::after { content: "+"; color: var(--green); font-size: 1.4rem; font-weight: 400; } details[open] summary::after { content: "−"; }
details p { margin: -8px 42px 22px 3px; color: var(--muted); font-size: .92rem; }

.download-section { --green: #15d889; --green-2: #8fffd2; --accent-foreground: #04170f; padding: 96px 0; background: linear-gradient(160deg, #093424, #07110f); color: #eefbf6; }
.download-card { display: grid; justify-items: center; text-align: center; }
.download-card img { margin-bottom: 18px; filter: drop-shadow(0 18px 35px rgba(21,216,137,.23)); }
.download-card h2 { max-width: 770px; } .download-card > p:not(.eyebrow) { max-width: 650px; color: #a9c0b7; }
.centered-actions { justify-content: center; margin-block: 20px; } .download-card small { color: #79968b; }

.footer { padding-top: 70px; background: #050c0a; color: #e7f6f0; }
.footer-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 50px; }
.footer-grid > div { display: grid; align-content: start; gap: 9px; }
.footer-grid p, .footer-grid a:not(.brand) { color: #829a91; font-size: .82rem; } .footer-grid a:not(.brand) { min-height: 24px; display: inline-flex; align-items: center; } .footer-grid a:hover { color: #eefbf6; }
.footer-bottom { padding-block: 26px; margin-top: 54px; display: flex; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.08); color: #6f877e; font-size: .75rem; }

.legal-page { min-height: 100vh; padding-block: 100px; }
.legal-content { max-width: 760px; } .legal-content h1 { font-size: clamp(2.8rem, 7vw, 4.8rem); } .legal-content h2 { margin-top: 48px; font-size: 1.5rem; letter-spacing: -.03em; }
.legal-content p, .legal-content li { color: var(--muted); } .legal-content a:not(.back-link) { color: var(--green); font-weight: 700; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; } .back-link { display: inline-block; margin-bottom: 40px; color: var(--green); font-weight: 800; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 70px; } .hero-copy { text-align: center; } .hero-lead { margin-inline: auto; } .hero-actions, .trust-list { justify-content: center; }
  .hero-visual { max-width: 680px; margin-inline: auto; width: 100%; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); padding-block: 20px; } .proof-grid div:nth-child(2) { border-right: 0; }
  .privacy-flow { grid-template-columns: 1fr; gap: 12px; } .flow-line { width: 1px; height: 34px; margin: auto; } .flow-line span { display: none; }
  .feature-grid { grid-template-columns: 1fr 1fr; } .feature-card.featured { grid-row: span 1; min-height: 270px; } .mini-bubbles { display: none; }
  .faq-layout { grid-template-columns: 1fr; gap: 20px; }
}
@media (max-width: 680px) {
  .shell { width: min(100% - 28px, var(--max)); } .nav { height: 66px; } .nav > .brand span { display: none; }
  .menu-toggle { display: grid; order: 2; } .nav-actions .button-small { display: none; }
  .nav-links { position: absolute; inset: 66px 14px auto; padding: 16px; display: none; align-items: stretch; flex-direction: column; gap: 0; border: 1px solid var(--line); border-radius: 15px; background: var(--surface); box-shadow: var(--shadow); }
  .nav-links.open { display: flex; } .nav-links a { padding: 10px; }
  .hero { min-height: auto; padding-block: 58px 75px; gap: 50px; } h1 { font-size: clamp(2.7rem, 14vw, 4rem); } .hero-lead { font-size: 1rem; }
  .app-window { transform: none; } .app-body { grid-template-columns: 1fr; min-height: 370px; } .contact-list { display: none; }
  .proof-grid { grid-template-columns: 1fr 1fr; } .proof-grid div { padding: 15px 10px; } .proof-grid strong { font-size: 1.05rem; }
  .section { padding-block: 84px; } .section-heading { margin-bottom: 38px; }
  .feature-grid, .pricing-grid { grid-template-columns: 1fr; } .price-card.premium { padding-block: 34px; }
  .footer-grid { grid-template-columns: 1fr 1fr; } .footer-grid > div:first-child { grid-column: 1 / -1; } .footer-bottom { gap: 12px; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; } }