:root {
    --ink: #052820;
    --ink-2: #0a4136;
    --mint: #27e5bf;
    --mint-light: #8bffe4;
    --aqua: #26c8e7;
    --violet: #9f78ff;
    --paper: #f4fffb;
    --text: #153b34;
    --muted: #5f8179;
    --line: rgba(9, 88, 73, .12);
    --shadow: 0 24px 70px rgba(4, 68, 55, .13);
    --radius: 26px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Inter, sans-serif; color: var(--text); background: var(--paper); line-height: 1.6; }
a { color: inherit; }
.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }

.header { position: fixed; inset: 0 0 auto; z-index: 20; background: rgba(244, 255, 251, .82); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(9, 88, 73, .08); }
.header-inner { height: 72px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-size: 1.12rem; font-weight: 600; text-decoration: none; }
.brand img { width: 42px; height: 42px; object-fit: contain; }
.brand strong { color: #0eaf91; }
.nav { display: flex; align-items: center; gap: 24px; }
.nav > a { color: #315f55; font-size: .92rem; font-weight: 600; text-decoration: none; }
.nav > a:hover { color: #0aa98c; }
.lang-switcher { display: flex; gap: 5px; margin-left: 4px; padding-left: 18px; border-left: 1px solid var(--line); }
.lang-switcher a { padding: 3px 10px; border-radius: 99px; color: #258873; text-decoration: none; font-size: .8rem; font-weight: 700; }
.lang-switcher a.active { color: #fff; background: #0fae8f; }
.mobile-menu-btn { display: none; border: 0; color: var(--ink); background: transparent; font-size: 1.4rem; }

.hero { min-height: 780px; padding: 152px 0 82px; overflow: hidden; position: relative; background: radial-gradient(circle at 10% 12%, rgba(95, 255, 207, .25), transparent 27%), radial-gradient(circle at 93% 88%, rgba(41, 188, 232, .2), transparent 28%), linear-gradient(132deg, #f5fffb 0%, #e5fff6 100%); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 70px; }
.eyebrow { margin: 0 0 14px; color: #0aa98c; font-weight: 800; letter-spacing: .13em; font-size: .72rem; }
.hero h1 { max-width: 620px; margin: 0; color: var(--ink); letter-spacing: -.065em; line-height: 1; font-size: clamp(3.2rem, 6vw, 5.6rem); }
.hero h1 span { color: #09b999; display: block; }
.hero-lead { max-width: 570px; margin: 28px 0; font-size: 1.13rem; color: #416f65; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 22px; border-radius: 15px; font-weight: 750; text-decoration: none; transition: transform .2s, box-shadow .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: linear-gradient(135deg, #05af91, #24c5df); box-shadow: 0 14px 28px rgba(5, 175, 145, .25); }
.button-secondary { color: #0b7966; background: rgba(255,255,255,.8); border: 1px solid rgba(11, 121, 102, .14); }
.hero-note { margin: 18px 0 0; color: #658b82; font-size: .87rem; }

.hero-art { min-height: 500px; display: grid; place-items: center; position: relative; }
.phone { z-index: 2; width: 270px; padding: 13px; border-radius: 38px; background: linear-gradient(145deg, #07362e, #011a16); box-shadow: 0 42px 65px rgba(1, 50, 39, .34), inset 0 1px 0 rgba(255,255,255,.2); transform: rotate(5deg); }
.phone-speaker { width: 78px; height: 7px; margin: 0 auto 9px; border-radius: 99px; background: #06241f; }
.phone-screen { min-height: 475px; padding: 28px 22px; text-align: center; border-radius: 29px; color: #e9fffa; background: radial-gradient(circle at 50% 32%, rgba(55, 233, 190, .28), transparent 29%), linear-gradient(160deg, #104f42, #05241e 74%); }
.screen-top { display: flex; justify-content: space-between; color: #9ccec2; font-size: .7rem; }.screen-top span:first-child::before { content: '09:41'; }.online-dot { width: 8px; height: 8px; border-radius: 50%; background: #42f2bb; box-shadow: 0 0 12px #42f2bb; }
.channel-name { margin-top: 35px; font-weight: 800; font-size: 1.25rem; }.channel-members { color: #96cfc1; font-size: .75rem; }
.voice-orb { width: 142px; height: 142px; margin: 48px auto 16px; border: 1px solid rgba(111, 255, 213, .55); border-radius: 50%; display: flex; align-items: center; justify-content: center; gap: 7px; background: radial-gradient(circle, rgba(86,255,206,.34), rgba(1,37,30,.1) 65%); box-shadow: 0 0 40px rgba(39, 229, 191, .28), inset 0 0 25px rgba(0,0,0,.25); }
.voice-orb i { width: 9px; border-radius: 99px; background: linear-gradient(#a8ffec, #14d1aa); box-shadow: 0 0 14px #32edc5; }.voice-orb i:nth-child(1), .voice-orb i:nth-child(5) { height: 34px; }.voice-orb i:nth-child(2), .voice-orb i:nth-child(4) { height: 60px; }.voice-orb i:nth-child(3) { height: 88px; }
.speaking { color: #b8f7e9; font-size: .78rem; }.ptt-button { margin: 24px auto 0; width: 148px; padding: 13px 8px; border-radius: 15px; background: linear-gradient(135deg, #0cc59f, #1aa9d5); box-shadow: 0 10px 20px rgba(1,0,0,.25); color: #fff; font-weight: 800; font-size: .78rem; }
.orbit { position: absolute; z-index: 1; border: 1px solid rgba(30, 196, 163, .38); border-radius: 50%; }.orbit-one { width: 420px; height: 230px; transform: rotate(-18deg); }.orbit-two { width: 330px; height: 460px; transform: rotate(37deg); border-color: rgba(42, 195, 225, .22); }

.section { padding: 105px 0; }.section-heading { max-width: 700px; margin: 0 auto 52px; text-align: center; }.section-heading h2, .how-copy h2, .download-card h2 { margin: 0; color: var(--ink); font-size: clamp(2.15rem, 4vw, 3.45rem); letter-spacing: -.05em; line-height: 1.1; }.section-heading > p:last-child, .how-copy > p:last-child { color: var(--muted); font-size: 1.03rem; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }.feature-card { min-height: 410px; padding: 0 30px 30px; overflow: hidden; border: 1px solid rgba(12, 109, 89, .1); border-radius: var(--radius); background: #fff; transition: transform .25s, box-shadow .25s; }.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }.feature-card h3 { margin: 18px 0 8px; color: var(--ink); font-size: 1.12rem; }.feature-card p { margin: 0; color: var(--muted); font-size: .93rem; }
.feature-visual { height: 240px; margin: 0 -30px; display: grid; place-items: center; overflow: hidden; background: radial-gradient(circle at 50% 45%, rgba(105, 255, 216, .22), rgba(226, 255, 247, .52) 48%, rgba(246, 255, 252, .18) 72%); }.feature-visual img { width: 100%; height: 100%; padding: 12px; object-fit: contain; filter: drop-shadow(0 14px 18px rgba(3, 73, 59, .12)); transition: transform .35s ease; }.feature-card:hover .feature-visual img { transform: scale(1.035); }.feature-visual-1 img { padding: 7px; }.feature-visual-2 img, .feature-visual-4 img, .feature-visual-6 img { padding: 3px; }

.audience-section { position: relative; overflow: hidden; background: linear-gradient(180deg, #effbf7 0%, #f8fffc 100%); border-top: 1px solid rgba(10, 125, 101, .08); }.audience-section::before { content: ""; position: absolute; width: 620px; height: 620px; top: -360px; right: -220px; border-radius: 50%; background: radial-gradient(circle, rgba(54, 225, 185, .16), transparent 68%); pointer-events: none; }.audience-grid { position: relative; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }.audience-card { min-height: 245px; display: grid; grid-template-columns: 43% 57%; overflow: hidden; border: 1px solid rgba(9, 112, 91, .1); border-radius: 25px; background: rgba(255, 255, 255, .9); box-shadow: 0 12px 34px rgba(4, 75, 60, .055); transition: transform .25s ease, box-shadow .25s ease; }.audience-card:hover { transform: translateY(-5px); box-shadow: 0 22px 42px rgba(4, 75, 60, .11); }.audience-visual { min-width: 0; display: grid; place-items: center; overflow: hidden; background: radial-gradient(circle at 52% 44%, rgba(96, 246, 207, .28), rgba(225, 255, 247, .64) 52%, rgba(247, 255, 252, .12) 74%); }.audience-visual picture { width: 100%; height: 100%; display: grid; place-items: center; }.audience-visual img { width: 125%; height: 125%; max-width: none; object-fit: contain; filter: drop-shadow(0 14px 20px rgba(2, 67, 53, .13)); transition: transform .35s ease; }.audience-card:hover .audience-visual img { transform: scale(1.035); }.audience-copy { padding: 32px 28px 30px 18px; display: flex; flex-direction: column; justify-content: center; }.audience-copy h3 { margin: 0 0 9px; color: var(--ink); font-size: 1.16rem; line-height: 1.25; }.audience-copy p { margin: 0; color: var(--muted); font-size: .92rem; line-height: 1.58; }

.how-section { background: linear-gradient(155deg, #062d26, #073d33); color: #d8fff5; }.how-copy h2 { color: #fff; }.how-copy > p:last-child { color: #a0d2c6; }.how-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; align-items: center; }.steps { margin: 0; padding: 0; list-style: none; }.steps li { display: grid; grid-template-columns: 56px 1fr; gap: 18px; padding: 20px 0; border-bottom: 1px solid rgba(165, 255, 230, .14); }.steps li:last-child { border: 0; }.steps li > span { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid rgba(111, 255, 212, .5); border-radius: 50%; color: #54f1c4; font-weight: 800; }.steps h3 { margin: 0 0 5px; color: #fff; font-size: 1.06rem; }.steps p { margin: 0; color: #a0d2c6; font-size: .93rem; }
.download-wrap { padding: 88px 0; background: var(--paper); }.download-card { min-height: 270px; padding: 54px 62px; display: flex; align-items: center; justify-content: space-between; gap: 36px; overflow: hidden; position: relative; border-radius: 32px; color: #dffcf4; background: radial-gradient(circle at 84% 10%, rgba(35, 215, 185, .33), transparent 28%), linear-gradient(135deg, #073c32, #06251f); }.download-card h2 { color: #fff; max-width: 560px; }.download-card p { margin: 12px 0 0; color: #a8d8cc; }.download-actions { min-width: 205px; }.button-light { color: #073b31; background: #d9fff4; }.download-actions span { display: block; margin-top: 12px; color: #9acdc0; font-size: .76rem; text-align: center; }
.narrow { max-width: 850px; }.privacy-section { padding-top: 20px; }.privacy-box { padding: 32px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; color: var(--muted); }.privacy-box p { margin: 0; }.privacy-box strong { color: var(--ink); }
.footer { padding: 25px 0; background: #04221c; color: #9dc9bd; font-size: .86rem; }.footer-inner { display: flex; justify-content: space-between; }.footer a { color: #6eeacb; text-decoration: none; }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }.reveal.visible { opacity: 1; transform: none; }.delay-1 { transition-delay: .15s; }

@media (max-width: 900px) { .hero-grid, .how-grid { grid-template-columns: 1fr; gap: 45px; }.hero-copy { text-align: center; }.hero-copy .hero-actions { justify-content: center; }.hero-copy .hero-lead { margin-inline: auto; }.hero-art { min-height: 450px; }.feature-grid { grid-template-columns: repeat(2, 1fr); }.audience-grid { grid-template-columns: 1fr; }.audience-card { grid-template-columns: 250px 1fr; }.download-card { padding: 42px; }.how-copy { text-align: center; } }
@media (max-width: 720px) { .container { width: min(100% - 32px, 1160px); }.mobile-menu-btn { display: block; }.nav { position: absolute; top: 72px; left: 0; right: 0; display: none; padding: 24px; flex-direction: column; gap: 19px; background: rgba(247, 255, 252, .98); box-shadow: 0 18px 35px rgba(3, 48, 39, .1); }.nav.active { display: flex; }.lang-switcher { margin: 0; padding: 12px 0 0; border: 0; }.hero { min-height: auto; padding-top: 124px; }.hero h1 { font-size: clamp(2.9rem, 15vw, 4.4rem); }.phone { transform: none; }.orbit-one { width: 330px; }.orbit-two { width: 260px; }.feature-grid { grid-template-columns: 1fr; }.feature-card { min-height: 390px; }.feature-visual { height: 230px; }.section { padding: 78px 0; }.download-wrap { padding: 50px 0; }.download-card { padding: 34px 26px; flex-direction: column; align-items: flex-start; }.footer-inner { gap: 10px; flex-direction: column; text-align: center; }.privacy-box { padding: 24px; } }
@media (max-width: 520px) { .audience-card { grid-template-columns: 1fr; }.audience-visual { height: 250px; }.audience-visual img { width: 108%; height: 108%; }.audience-copy { padding: 25px 26px 28px; } }