:root {
  --paper: #f5f7fb;
  --paper-2: #eef2f8;
  --white: #ffffff;
  --ink: #0d1726;
  --ink-2: #25354b;
  --muted: #68788d;
  --line: #dde5f0;
  --blue: #2563eb;
  --blue-2: #3b82f6;
  --teal: #0f9f8f;
  --teal-soft: #e5f8f4;
  --shadow: 0 24px 70px rgba(20, 42, 76, 0.12);
  --shadow-soft: 0 12px 34px rgba(20, 42, 76, 0.08);
  --radius: 18px;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { overflow-x: hidden; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
img, svg { max-width: 100%; }
::selection { background: #c9ddff; color: #0d2a5c; }
.skip-link {
  position: fixed; left: 16px; top: -80px; z-index: 999;
  padding: 10px 14px; border-radius: 8px; background: var(--ink); color: #fff;
  transition: top .2s ease;
}
.skip-link:focus { top: 16px; }
.wrap { width: min(1160px, calc(100% - 48px)); margin: 0 auto; }

/* header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245, 247, 251, .82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(221, 229, 240, .75);
}
.header-inner { height: 72px; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 10px;
  display: grid; place-items: center;
  background: linear-gradient(140deg, #2563eb, #0ea5a4);
  box-shadow: 0 8px 18px rgba(37, 99, 235, .25);
  color: #fff; font-size: 11px; font-weight: 800; letter-spacing: .04em;
}
.brand-mark.small { width: 28px; height: 28px; border-radius: 8px; font-size: 9px; }
.brand-word { font-size: 19px; font-weight: 800; letter-spacing: -.03em; }
.nav { display: flex; align-items: center; gap: 26px; margin-left: 6px; }
.nav a { color: #526278; font-size: 13.5px; font-weight: 600; transition: color .18s ease; }
.nav a:hover { color: var(--ink); }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.beta-pill {
  font-size: 11px; font-weight: 700; color: #0e7e70;
  background: #e3f8f3; border: 1px solid #bcefe5;
  padding: 5px 9px; border-radius: 999px; white-space: nowrap;
}
.menu-toggle { display: none; background: transparent; border: 0; padding: 8px; }
.menu-toggle span { display: block; width: 20px; height: 2px; margin: 4px 0; background: var(--ink); border-radius: 2px; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid transparent; border-radius: 10px;
  font-weight: 700; letter-spacing: -.01em;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 24px rgba(37, 99, 235, .22); }
.btn-primary:hover { background: #1d56d8; box-shadow: 0 14px 30px rgba(37, 99, 235, .27); }
.btn-ghost { background: rgba(255,255,255,.66); color: var(--ink-2); border-color: var(--line); }
.btn-ghost:hover { background: #fff; }
.btn-sm { height: 36px; padding: 0 14px; font-size: 12.5px; border-radius: 9px; }
.btn-lg { height: 48px; padding: 0 22px; font-size: 14px; }

/* hero */
.hero { position: relative; overflow: hidden; padding: 76px 0 56px; }
.hero-glow {
  position: absolute; width: 780px; height: 580px; right: -180px; top: -220px;
  background: radial-gradient(circle at 40% 40%, rgba(64, 132, 255, .18), transparent 62%),
              radial-gradient(circle at 65% 65%, rgba(16, 185, 160, .12), transparent 55%);
  filter: blur(10px); pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: .88fr 1.12fr; align-items: center; gap: 54px; }
.hero-copy { position: relative; z-index: 2; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  margin: 0 0 18px; color: #5c6f86; font-size: 12px; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
}
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 4px rgba(15,159,143,.10); }
.hero h1 {
  margin: 0 0 22px; font-size: clamp(36px, 3.8vw, 54px);
  line-height: 1.08; letter-spacing: -.055em; font-weight: 800;
}
.gradient-text { background: linear-gradient(100deg, #1d4ed8 8%, #0e9f8e 82%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-lead { margin: 0 0 30px; max-width: 470px; color: #5b6d82; font-size: 16px; line-height: 1.8; }
.hero-cta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.hero-points { display: flex; gap: 22px; margin-top: 28px; color: #6d7d90; font-size: 12px; font-weight: 600; }
.hero-points span { display: inline-flex; align-items: center; gap: 6px; }
.hero-points span::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: #9aabbf; }

/* product mock */
.hero-visual { position: relative; min-width: 0; padding: 18px 0; }
.product-shell {
  position: relative; z-index: 2; background: #fff; border: 1px solid #dbe4f0;
  border-radius: 14px; overflow: hidden;
  box-shadow: 0 34px 90px rgba(16, 38, 72, .18), 0 2px 0 rgba(255,255,255,.8) inset;
  transform: perspective(1400px) rotateY(-3deg) rotateX(1deg);
  transform-origin: 40% 45%;
}
.product-titlebar {
  height: 38px; display: flex; align-items: center; gap: 12px;
  padding: 0 13px; background: #f7f9fc; border-bottom: 1px solid #e7edf5;
  color: #8392a6; font-size: 10.5px;
}
.traffic { display: flex; gap: 5px; }
.traffic i { width: 8px; height: 8px; border-radius: 50%; background: #d5dee9; }
.traffic i:first-child { background: #f4a4a4; }
.traffic i:nth-child(2) { background: #f5cf8b; }
.traffic i:nth-child(3) { background: #9ed9b4; }
.titlebar-label { flex: 1; text-align: center; font-weight: 600; }
.titlebar-status { color: #0e9f8e; background: #e9f8f4; padding: 2px 7px; border-radius: 4px; font-size: 9.5px; font-weight: 700; }
.product-body { display: grid; grid-template-columns: 42px 176px 1fr; height: 392px; }
.app-rail { background: #0d1726; padding: 10px 0; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.rail-logo { width: 24px; height: 24px; border-radius: 7px; display: grid; place-items: center; color: #fff; font-size: 7px; font-weight: 800; background: linear-gradient(140deg, #3b82f6, #10b981); margin-bottom: 8px; }
.rail-dot { width: 18px; height: 18px; border-radius: 6px; background: #26364a; }
.rail-dot.active { background: #3b82f6; box-shadow: 0 0 0 3px rgba(59,130,246,.18); }
.rail-dot.green { background: #10b981; }
.rail-dot.blue { background: #38bdf8; }
.rail-dot.pink { background: #ec4899; }
.rail-dot.dark { background: #f59e0b; }
.app-list { border-right: 1px solid #e9eff6; background: #fcfdff; padding: 12px 10px; overflow: hidden; }
.list-head { display: flex; align-items: center; justify-content: space-between; padding: 2px 4px 10px; }
.list-head b { font-size: 11px; }
.list-head span { font-size: 8.5px; color: #9aa8b8; }
.account-row { display: flex; align-items: flex-start; gap: 7px; padding: 8px 6px; border-radius: 7px; margin-bottom: 3px; }
.account-row.active { background: #edf4ff; }
.account-row > span:nth-child(2) { min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.account-row b { font-size: 9px; color: #28384e; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.account-row small { font-size: 8px; color: #8c9caf; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 94px; }
.account-row em { margin-left: auto; color: #aab6c5; font-size: 7.5px; font-style: normal; white-space: nowrap; }
.avatar { flex: 0 0 20px; width: 20px; height: 20px; border-radius: 6px; display: grid; place-items: center; font-size: 8px; font-weight: 800; color: #fff; }
.avatar-wa { background: #25d366; }
.avatar-tg { background: #229ed9; }
.avatar-ig { background: linear-gradient(135deg, #f58529, #dd2a7b, #8134af); }
.avatar-ln { background: #06c755; }
.app-chat { display: flex; flex-direction: column; min-width: 0; background: #fff; }
.chat-head { display: flex; align-items: center; gap: 8px; padding: 11px 12px; border-bottom: 1px solid #edf1f6; }
.chat-head > span:nth-child(2) { display: flex; flex-direction: column; }
.chat-head b { font-size: 9.5px; }
.chat-head small { font-size: 8px; color: #92a0b2; }
.chat-badge { margin-left: auto; font-size: 7.5px; padding: 3px 6px; border-radius: 4px; background: #eaf8f4; color: #0e907f; font-weight: 700; }
.chat-stream { flex: 1; padding: 12px; display: flex; flex-direction: column; gap: 9px; background: #f8fafc; overflow: hidden; }
.bubble { max-width: 84%; padding: 8px 9px; border-radius: 8px; font-size: 9px; line-height: 1.55; color: #34465c; }
.bubble.incoming { background: #fff; border: 1px solid #e7edf5; border-bottom-left-radius: 3px; align-self: flex-start; }
.bubble.outgoing { background: #eaf2ff; border: 1px solid #d7e6ff; border-bottom-right-radius: 3px; align-self: flex-end; }
.bubble.short { max-width: 77%; }
.bubble-label { display: block; margin-bottom: 3px; color: #96a5b7; font-size: 7px; font-weight: 700; }
.bubble.outgoing .bubble-label { color: #6d8fbe; }
.translated { display: block; margin-top: 5px; padding-top: 5px; border-top: 1px dashed #dbe5f1; color: #0f8d7e; font-size: 8.5px; }
.bubble.outgoing .translated { color: #2563eb; }
.composer { margin: 0 12px 12px; min-height: 34px; padding: 0 9px; display: flex; align-items: center; gap: 8px; border: 1px solid #dfe7f1; border-radius: 7px; background: #fff; color: #99a7b7; font-size: 8.5px; }
.composer button { margin-left: auto; border: 0; border-radius: 4px; padding: 4px 8px; background: #2563eb; color: #fff; font-size: 8px; font-weight: 700; }
.visual-caption { margin: 16px 0 0; text-align: center; color: #98a6b7; font-size: 10.5px; }
.float-card {
  position: absolute; z-index: 3; display: flex; align-items: center; gap: 8px;
  padding: 9px 11px; border: 1px solid #dfe8f3; border-radius: 9px; background: rgba(255,255,255,.94);
  box-shadow: 0 16px 36px rgba(23, 48, 90, .14); backdrop-filter: blur(8px);
}
.float-card span:last-child { display: flex; flex-direction: column; gap: 1px; }
.float-card b { font-size: 9.5px; color: #26384e; }
.float-card small { font-size: 8px; color: #93a2b3; }
.float-card-a { right: -18px; top: 42px; }
.float-card-b { left: -30px; bottom: 62px; }
.mini-icon { width: 23px; height: 23px; border-radius: 7px; display: grid; place-items: center; font-size: 9px; font-weight: 800; }
.mini-icon.teal { background: #e2f7f2; color: #0b9c89; }
.mini-icon.blue { background: #e8f0ff; color: #2563eb; }

/* platform strip */
.platform-strip { padding: 12px 0 4px; }
.platform-strip p { margin: 0 0 13px; color: #8997a9; font-size: 11px; font-weight: 700; letter-spacing: .05em; text-align: center; text-transform: uppercase; }
.platform-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.platform-chips span { padding: 7px 12px; border: 1px solid #e2e9f2; border-radius: 999px; background: rgba(255,255,255,.7); color: #5d6f83; font-size: 11.5px; font-weight: 600; }

/* sections */
.section { padding: 92px 0; }
.section-head { max-width: 620px; margin-bottom: 42px; }
.section-head h2 { margin: 0 0 13px; font-size: clamp(30px, 3.8vw, 46px); line-height: 1.15; letter-spacing: -.045em; font-weight: 800; }
.section-head > p:not(.eyebrow) { margin: 0; color: #6a7a8e; font-size: 15px; line-height: 1.8; }
.section-head.light h2 { color: #eef4fc; }
.section-head.light > p:not(.eyebrow) { color: #9fb0c4; }
.eyebrow.light { color: #9eb2c8; }
.dot.teal { background: #2dd4bf; box-shadow: 0 0 0 4px rgba(45,212,191,.12); }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.feature-card {
  padding: 25px 23px; border: 1px solid #e0e8f2; border-radius: 14px;
  background: rgba(255,255,255,.78); box-shadow: 0 1px 0 rgba(255,255,255,.8) inset;
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.feature-card:hover { transform: translateY(-3px); border-color: #c9d9ec; box-shadow: var(--shadow-soft); }
.icon-box { display: inline-grid; place-items: center; width: 34px; height: 34px; margin-bottom: 16px; border-radius: 9px; background: #eef4ff; color: #2563eb; font-size: 14px; font-weight: 800; }
.feature-card:nth-child(2n) .icon-box { background: #e9f8f4; color: #0b9c89; }
.feature-card h3 { margin: 0 0 8px; font-size: 16px; letter-spacing: -.02em; }
.feature-card p { margin: 0; color: #6b7b8e; font-size: 13px; line-height: 1.75; }

/* translation */
.translation-section { background: linear-gradient(180deg, #f5f7fb, #eef3f9); }
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: center; }
.split-copy h2 { margin: 0 0 16px; font-size: clamp(30px, 3.6vw, 44px); line-height: 1.15; letter-spacing: -.045em; font-weight: 800; }
.split-copy > p { color: #66778c; font-size: 14.5px; line-height: 1.8; }
.check-list { list-style: none; padding: 0; margin: 22px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 9px 18px; }
.check-list li { display: flex; align-items: center; gap: 8px; color: #45586f; font-size: 13px; font-weight: 600; }
.check-list span { width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center; background: #e2f7f2; color: #0b9c89; font-size: 10px; }
.fine-print { color: #95a3b4 !important; font-size: 11.5px !important; }
.direction-card { padding: 12px; border: 1px solid #dce6f2; border-radius: 16px; background: rgba(255,255,255,.78); box-shadow: var(--shadow-soft); }
.direction-row { display: grid; grid-template-columns: 42px 1fr 22px 1fr; align-items: center; gap: 9px; padding: 14px 10px; border-bottom: 1px solid #edf2f8; }
.direction-row:last-of-type { border-bottom: 0; }
.direction-row.muted { opacity: .64; }
.direction-tag { font-size: 9px; font-weight: 800; color: #2563eb; background: #eaf2ff; border-radius: 5px; padding: 3px 5px; text-align: center; }
.direction-tag.you { color: #0b9c89; background: #e4f8f3; }
.lang { padding: 9px 10px; border-radius: 7px; background: #f7f9fc; color: #34475d; font-size: 11px; line-height: 1.5; min-height: 38px; display: flex; align-items: center; }
.lang.zh { background: #f0faf7; color: #276259; }
.lang.en { background: #f5f8ff; color: #355780; }
.arrow { color: #a7b5c5; text-align: center; font-size: 14px; }
.direction-note { margin: 4px 10px 8px; color: #98a6b6; font-size: 10px; }

/* security */
.security-section { background: #0c1523; color: #dce7f3; position: relative; overflow: hidden; }
.security-section::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 78% 12%, rgba(37,99,235,.22), transparent 34%), radial-gradient(circle at 10% 92%, rgba(13,148,136,.14), transparent 30%); pointer-events: none; }
.security-section .wrap { position: relative; z-index: 2; }
.security-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.security-card { padding: 22px 20px; border: 1px solid rgba(155,180,208,.16); border-radius: 12px; background: rgba(18,31,48,.66); }
.security-index { color: #5d7693; font-size: 10px; font-weight: 800; letter-spacing: .1em; }
.security-card h3 { margin: 13px 0 7px; color: #e6eef8; font-size: 14.5px; }
.security-card p { margin: 0; color: #95a9be; font-size: 12px; line-height: 1.7; }
.security-note { display: flex; gap: 14px; align-items: flex-start; margin-top: 20px; padding: 15px 18px; border: 1px solid rgba(155,180,208,.14); border-radius: 10px; background: rgba(12,23,38,.55); color: #8da4bb; font-size: 11.5px; line-height: 1.7; }
.security-note strong { color: #d9e7f5; white-space: nowrap; font-size: 12px; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.step { position: relative; padding: 26px 24px; border: 1px solid #e0e8f2; border-radius: 14px; background: #fff; }
.step-no { display: block; margin-bottom: 14px; color: #2563eb; font-size: 11px; font-weight: 800; letter-spacing: .08em; }
.step h3 { margin: 0 0 7px; font-size: 16px; }
.step p { margin: 0; color: #718196; font-size: 13px; line-height: 1.7; }

/* trial */
.trial-section { padding: 18px 0 94px; }
.trial-inner { display: flex; align-items: center; justify-content: space-between; gap: 42px; padding: 44px 46px; border-radius: 18px; background: #e9f1ff; border: 1px solid #d2e2fb; position: relative; overflow: hidden; }
.trial-inner::after { content: ""; position: absolute; width: 260px; height: 260px; right: 10%; top: -140px; border-radius: 50%; background: rgba(37,99,235,.12); filter: blur(6px); }
.trial-inner h2 { margin: 0 0 9px; font-size: clamp(26px, 3vw, 38px); letter-spacing: -.04em; }
.trial-inner p:not(.eyebrow):not(.trial-note) { margin: 0; max-width: 600px; color: #5f7692; font-size: 13.5px; line-height: 1.75; }
.trial-actions { position: relative; z-index: 2; flex: 0 0 auto; text-align: center; }
.trial-note { margin: 9px 0 0; color: #7c90a9; font-size: 10.5px; }

/* faq */
.faq-section { padding-top: 20px; }
.faq-wrap { max-width: 860px; }
.faq-list { border-top: 1px solid #dfe7f1; }
.faq-list details { border-bottom: 1px solid #dfe7f1; padding: 0 4px; }
.faq-list summary { list-style: none; cursor: pointer; padding: 19px 0; font-size: 14.5px; font-weight: 700; color: #26384e; position: relative; padding-right: 30px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 2px; top: 17px; color: #8798ac; font-size: 18px; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: -3px 0 19px; color: #6b7c90; font-size: 13px; line-height: 1.8; max-width: 720px; }

/* footer */
.site-footer { background: #0c1523; color: #a9bbce; padding: 52px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .7fr .7fr 1fr; gap: 34px; }
.footer-brand .brand { color: #f1f6fc; }
.footer-brand p { margin: 14px 0 0; color: #7f93aa; font-size: 12px; line-height: 1.7; }
.footer-col { display: flex; flex-direction: column; gap: 9px; }
.footer-col b { margin-bottom: 4px; color: #e2ecf7; font-size: 11.5px; }
.footer-col a, .footer-col span { color: #91a6bd; font-size: 12px; }
.footer-col a:hover { color: #fff; }
.footer-muted { color: #657c94 !important; font-size: 11px !important; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 42px; padding-top: 18px; border-top: 1px solid rgba(155,180,208,.13); color: #657c94; font-size: 10.5px; }

/* modal */
.modal[hidden] { display: none; }
.modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 24px; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(6, 14, 26, .66); backdrop-filter: blur(6px); }
.modal-card { position: relative; z-index: 2; width: min(520px, 100%); max-height: calc(100vh - 48px); overflow: auto; padding: 28px; border-radius: 16px; background: #fff; box-shadow: 0 40px 100px rgba(0,0,0,.35); }
.modal-card h2 { margin: 0 0 8px; font-size: 28px; letter-spacing: -.04em; }
.modal-lead { margin: 0 0 20px; color: #6b7d91; font-size: 12.5px; line-height: 1.7; }
.modal-close { position: absolute; right: 14px; top: 10px; width: 30px; height: 30px; border: 0; border-radius: 7px; background: #f2f5f9; color: #72849a; font-size: 20px; line-height: 1; }
.modal-close:hover { background: #e9eef5; color: #25384e; }
.trial-form { display: grid; gap: 11px; }
.trial-form label { display: grid; gap: 5px; color: #52667d; font-size: 11px; font-weight: 700; }
.trial-form input, .trial-form select, .trial-form textarea { width: 100%; min-height: 38px; padding: 8px 10px; border: 1px solid #dce5f0; border-radius: 7px; background: #f9fbfd; color: #1d2d42; font-size: 12.5px; outline: none; }
.trial-form textarea { resize: vertical; }
.trial-form input:focus, .trial-form select:focus, .trial-form textarea:focus { border-color: #82aef6; background: #fff; box-shadow: 0 0 0 3px rgba(37,99,235,.1); }
.trial-form .btn { margin-top: 3px; }
.form-note { margin: 1px 0 0; color: #9aa8b8; font-size: 10px; line-height: 1.6; }

/* reveal: no opacity animation; first paint must always be readable */
.reveal { opacity: 1; transform: none; }

/* responsive */
@media (max-width: 1000px) {
  .nav { gap: 16px; }
  .nav a { font-size: 12.5px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-copy { max-width: 660px; }
  .hero-visual { max-width: 720px; margin: 0 auto; width: 100%; }
  .product-body { height: 360px; }
  .split { grid-template-columns: 1fr; gap: 34px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .security-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
  .wrap { width: min(100% - 32px, 1160px); }
  .header-inner { height: 62px; }
  .beta-pill { display: none; }
  .nav { position: fixed; left: 16px; right: 16px; top: 68px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 8px; background: #fff; border: 1px solid #e1e9f3; border-radius: 12px; box-shadow: var(--shadow); }
  .nav.open { display: flex; }
  .nav a { padding: 11px 12px; border-radius: 7px; font-size: 13px; }
  .nav a:hover { background: #f3f7fc; }
  .menu-toggle { display: block; }
  .header-actions { gap: 3px; }
  .header-actions .btn-primary { display: none; }
  .hero { padding: 44px 0 36px; }
  .hero h1 { font-size: clamp(30px, 8.8vw, 42px); }
  .hero-lead { font-size: 14.5px; }
  .hero-points { gap: 12px; flex-wrap: wrap; font-size: 11px; }
  .product-shell { transform: none; }
  .hero-grid { gap: 28px; }
  .hero-visual, .product-shell { width: 100%; max-width: 100%; }
  .product-body { grid-template-columns: 30px minmax(92px, 108px) minmax(0, 1fr); height: 330px; }
  .app-list, .app-chat, .chat-stream, .account-row > span:nth-child(2) { min-width: 0; }
  .header-actions { flex: 0 0 auto; }
  .menu-toggle { flex: 0 0 auto; }
  .app-rail { gap: 9px; }
  .account-row small { max-width: 68px; }
  .float-card-a { right: -4px; top: 14px; }
  .float-card-b { left: -4px; bottom: 30px; }
  .section { padding: 64px 0; }
  .section-head { margin-bottom: 28px; }
  .feature-grid, .security-grid, .steps { grid-template-columns: 1fr; }
  .feature-card { padding: 21px; }
  .trial-inner { flex-direction: column; align-items: flex-start; padding: 28px 24px; gap: 24px; }
  .trial-actions { text-align: left; }
  .direction-row { grid-template-columns: 34px 1fr 18px 1fr; gap: 6px; padding: 12px 6px; }
  .direction-tag { font-size: 8px; }
  .lang { font-size: 10px; padding: 7px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 26px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 7px; }
  .modal-card { padding: 22px; }
  .hide-mobile { display: none; }
}
@media (max-width: 520px) {
  .product-body { grid-template-columns: 28px 94px minmax(0, 1fr); height: 310px; }
  .app-list { padding: 8px 5px; }
  .account-row { padding: 6px 4px; gap: 4px; }
  .account-row b { font-size: 8px; }
  .account-row small { font-size: 7px; max-width: 54px; }
  .account-row em { display: none; }
  .chat-badge { display: none; }
  .bubble { font-size: 8px; max-width: 94%; }
  .float-card { display: none; }
  .check-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}


/* legal pages */
.legal-body { background: #f6f8fc; }
.legal-page { width: min(820px, calc(100% - 40px)); margin: 0 auto; padding: 70px 0 100px; }
.legal-page > h1 { margin: 0 0 8px; font-size: clamp(34px, 5vw, 52px); letter-spacing: -.045em; line-height: 1.1; }
.legal-meta { margin: 0 0 28px; color: #93a2b4; font-size: 12px; }
.legal-card { padding: 32px 34px; border: 1px solid #e0e8f2; border-radius: 16px; background: #fff; box-shadow: var(--shadow-soft); }
.legal-card h2 { margin: 28px 0 8px; font-size: 18px; letter-spacing: -.02em; }
.legal-card h2:first-child { margin-top: 0; }
.legal-card p { margin: 0 0 10px; color: #5f7187; font-size: 13.5px; line-height: 1.9; }
.legal-card a { color: #2563eb; }
.legal-note { margin-top: 26px !important; padding-top: 16px; border-top: 1px solid #edf2f8; color: #96a4b5 !important; font-size: 11.5px !important; }
.legal-body .site-footer { margin-top: 0; }
.legal-body .footer-bottom { margin-top: 0; }
@media (max-width: 600px) {
  .legal-page { padding: 44px 0 70px; }
  .legal-card { padding: 24px 20px; }
}


/* form submission */
.hp-field { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.form-status { min-height: 16px; margin: 2px 0 0; font-size: 10.5px; line-height: 1.6; color: #8a9aab; }
.form-status.ok { color: #0b8f70; }
.form-status.error { color: #c2414b; }


/* pricing and auth */
.nav-login { color: #526278; font-size: 12px; font-weight: 700; padding: 7px 9px; border-radius: 7px; }
.nav-login:hover { background: #eaf1fb; color: #1d3d65; }
.pricing-section { background: #f5f7fb; }
.pricing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 840px; margin: 0 auto 18px; }
.price-card { padding: 27px 25px; border: 1px solid #dfe7f1; border-radius: 15px; background: #fff; box-shadow: 0 4px 14px rgba(20,40,70,.03); display: flex; flex-direction: column; gap: 14px; }
.price-card.featured { border-color: #bcd4ff; background: linear-gradient(180deg, #fff, #f4f8ff); box-shadow: 0 16px 40px rgba(37,99,235,.09); }
.price-tag { align-self: flex-start; padding: 3px 8px; border-radius: 4px; background: #eef3fa; color: #647a94; font-size: 10px; font-weight: 800; }
.price-card.featured .price-tag { background: #e5efff; color: #2563eb; }
.price-line { display: flex; align-items: baseline; gap: 7px; }
.price-line b { font-size: 54px; line-height: 1; letter-spacing: -.06em; color: #13243b; }
.price-line span { color: #7f91a6; font-size: 12px; font-weight: 600; }
.price-desc { margin: -5px 0 0; color: #536980; font-size: 12px; font-weight: 700; }
.price-card ul { list-style: none; padding: 0; margin: 0 0 6px; display: grid; gap: 7px; }
.price-card li { color: #738499; font-size: 11.5px; padding-left: 15px; position: relative; }
.price-card li::before { content: "✓"; position: absolute; left: 0; color: #0f9f8f; font-size: 10px; }
.price-card .btn { margin-top: auto; width: 100%; }
.payment-card { max-width: 840px; margin: 0 auto; display: grid; grid-template-columns: 1.3fr .7fr; border: 1px solid #dfe7f1; border-radius: 15px; background: #fff; overflow: hidden; }
.payment-main { padding: 25px; }
.payment-main h3 { margin: 0 0 8px; font-size: 24px; letter-spacing: -.04em; }
.payment-warning { margin: 0 0 15px; color: #8b6a33; background: #fff9ec; border: 1px solid #f3e4c4; border-radius: 7px; padding: 9px 11px; font-size: 10.5px; line-height: 1.7; }
.payment-warning code { font-weight: 700; }
.address-box { display: flex; align-items: center; gap: 7px; padding: 8px 9px; border: 1px solid #e2e9f2; border-radius: 7px; background: #f8fafc; }
.address-box code { min-width: 0; overflow: hidden; text-overflow: ellipsis; color: #40566f; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; }
.copy-btn { flex: 0 0 auto; height: 26px; padding: 0 8px; border: 1px solid #d7e2ef; border-radius: 5px; background: #fff; color: #526a84; font-size: 9px; font-weight: 700; }
.copy-btn:hover { background: #eef5ff; border-color: #b8d0ef; }
.payment-side { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 9px; padding: 25px; background: #f4f8ff; border-left: 1px solid #e1eaf7; }
.contact-label { color: #8b9bad; font-size: 9px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.telegram-link { color: #1d4ed8; font-size: 14px; font-weight: 800; }
.telegram-link:hover { text-decoration: underline; }
.payment-side p { margin: 0; color: #72859b; font-size: 10.5px; line-height: 1.7; }
.text-link { margin-top: 3px; color: #2563eb; font-size: 10.5px; font-weight: 700; }
.text-link:hover { text-decoration: underline; }

.auth-body { background: #f5f7fb; }
.auth-main { min-height: calc(100vh - 64px); display: grid; place-items: center; padding: 40px 18px 70px; }
.auth-card { width: min(430px, 100%); padding: 30px; border: 1px solid #dfe7f1; border-radius: 16px; background: #fff; box-shadow: 0 24px 70px rgba(20,42,76,.1); }
.auth-card h1 { margin: 5px 0 7px; font-size: 29px; letter-spacing: -.045em; }
.auth-card > p { margin: 0 0 20px; color: #72849a; font-size: 12px; line-height: 1.7; }
.auth-form { display: grid; gap: 11px; }
.auth-form label { display: grid; gap: 5px; color: #53687f; font-size: 10.5px; font-weight: 700; }
.auth-form input { width: 100%; height: 39px; padding: 0 10px; border: 1px solid #dbe5f0; border-radius: 7px; background: #f9fbfd; color: #1b2c42; font-size: 12.5px; outline: none; }
.auth-form input:focus { border-color: #86aff0; background: #fff; box-shadow: 0 0 0 3px rgba(37,99,235,.1); }
.auth-form .btn { margin-top: 4px; width: 100%; }
.auth-message { min-height: 16px; margin: 1px 0 0; font-size: 10.5px; line-height: 1.6; }
.auth-message.error { color: #c2414b; }
.auth-message.ok { color: #0b8f70; }
.auth-switch { margin: 16px 0 0; padding-top: 14px; border-top: 1px solid #edf2f7; color: #8698aa; font-size: 11px; text-align: center; }
.auth-switch a { color: #2563eb; font-weight: 700; }
.auth-note { margin-top: 12px !important; color: #9aa8b7 !important; font-size: 10px !important; }
.account-card { width: min(620px, 100%); padding: 30px; border: 1px solid #dfe7f1; border-radius: 16px; background: #fff; box-shadow: 0 24px 70px rgba(20,42,76,.1); }
.account-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; }
.account-head h1 { margin: 2px 0 4px; font-size: 27px; letter-spacing: -.04em; }
.account-email { color: #8293a7; font-size: 11px; }
.account-status { padding: 4px 8px; border-radius: 4px; font-size: 9px; font-weight: 800; }
.account-status.pending { color: #a66a00; background: #fff6df; }
.account-status.active { color: #0f8b61; background: #e8f8f1; }
.account-status.suspended { color: #b94b55; background: #fff1f2; }
.account-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; margin: 22px 0; }
.account-stat { padding: 13px 12px; border: 1px solid #e8eef6; border-radius: 8px; background: #f9fbfd; }
.account-stat span { display: block; color: #8d9daf; font-size: 9px; font-weight: 700; }
.account-stat b { display: block; margin-top: 5px; color: #293e57; font-size: 14px; }
.account-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.account-panel { margin-top: 18px; padding: 15px; border: 1px solid #e4ebf4; border-radius: 9px; background: #f8fafc; }
.account-panel h2 { margin: 0 0 6px; font-size: 13px; }
.account-panel p { margin: 0; color: #74869a; font-size: 10.5px; line-height: 1.75; }
.account-panel code { font-size: 10px; overflow-wrap: anywhere; }
.auth-hidden { display: none !important; }
@media (max-width: 720px) {
  .pricing-grid, .payment-card { grid-template-columns: 1fr; }
  .payment-side { border-left: 0; border-top: 1px solid #e1eaf7; }
  .account-grid { grid-template-columns: 1fr; }
  .account-card { padding: 22px; }
}


/* two payment networks */
.address-choice { display: grid; gap: 9px; }
.address-option { display: grid; gap: 5px; }
.address-network { color: #7b8da2; font-size: 9px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.address-network em { margin-left: 5px; color: #a0adbb; font-style: normal; font-weight: 500; letter-spacing: 0; text-transform: none; }
.account-payment-list { display: grid; gap: 12px; margin-top: 12px; }
.account-payment-row { display: grid; gap: 5px; }
.account-payment-row > span { color: #6e8298; font-size: 9.5px; font-weight: 800; letter-spacing: .03em; }
.account-payment-row > span small { margin-left: 4px; color: #a0adbb; font-weight: 500; letter-spacing: 0; }
.copy-source { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.account-payment-warning { margin: 11px 0 8px !important; color: #9a6a16 !important; font-size: 10px !important; }

/* checkout */
.checkout-main { min-height: calc(100vh - 64px); padding: 40px 18px 80px; }
.checkout-shell { width: min(900px, 100%); margin: 0 auto; display: grid; grid-template-columns: .95fr 1.05fr; gap: 20px; align-items: start; }
.checkout-intro, .order-panel { padding: 28px; border: 1px solid #dfe7f1; border-radius: 16px; background: #fff; box-shadow: 0 24px 70px rgba(20,42,76,.1); }
.checkout-intro h1 { margin: 0 0 9px; font-size: 30px; letter-spacing: -.045em; }
.checkout-intro > p:not(.eyebrow):not(.checkout-status):not(.checkout-note) { margin: 0 0 18px; color: #70839a; font-size: 11.5px; line-height: 1.8; }
.checkout-plan { display: flex; align-items: center; gap: 11px; padding: 13px; border: 1px solid #e2eaf4; border-radius: 9px; background: #f8fbfe; }
.checkout-plan-tag { padding: 3px 7px; border-radius: 4px; background: #e8f1ff; color: #2563eb; font-size: 9px; font-weight: 800; }
.checkout-plan > div { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.checkout-plan b { color: #263b53; font-size: 12px; }
.checkout-plan span:not(.checkout-plan-tag) { color: #8b9bad; font-size: 9.5px; }
.checkout-plan strong { margin-left: auto; color: #1b3552; font-size: 13px; white-space: nowrap; }
.checkout-networks { display: grid; gap: 7px; margin: 17px 0; }
.network-choice { display: flex; align-items: center; gap: 9px; padding: 10px; border: 1px solid #e3eaf4; border-radius: 8px; cursor: pointer; }
.network-choice:has(input:checked) { border-color: #9fc0f3; background: #f3f8ff; }
.network-choice input { accent-color: #2563eb; }
.network-choice span { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.network-choice b { color: #30445d; font-size: 10.5px; }
.network-choice small { color: #93a2b3; font-family: ui-monospace, Menlo, monospace; font-size: 8.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.checkout-create { width: 100%; }
.checkout-status { min-height: 16px; margin: 10px 0 0; color: #8b9bad; font-size: 10.5px; line-height: 1.6; }
.checkout-status.error { color: #c2414b; }
.checkout-status.ok { color: #0b8f70; }
.checkout-note { margin: 10px 0 0; color: #9aa8b7; font-size: 9.5px; line-height: 1.7; }
.checkout-note a { color: #2563eb; }
.order-head { display: flex; justify-content: space-between; gap: 14px; align-items: flex-start; }
.order-head h2 { margin: 0 0 3px; font-size: 28px; letter-spacing: -.04em; }
.order-head > div > span { color: #7f92a8; font-size: 10px; }
.order-status { padding: 4px 8px; border-radius: 4px; font-size: 9px; font-weight: 800; white-space: nowrap; }
.order-status.pending { background: #fff6df; color: #a66a00; }
.order-status.paid { background: #e8f8f1; color: #0f8b61; }
.order-status.expired, .order-status.rejected, .order-status.cancelled { background: #f2f4f7; color: #7b8a9c; }
.order-status.review { background: #fff1f2; color: #b94b55; }
.qr-wrap { display: flex; flex-direction: column; align-items: center; gap: 7px; margin: 20px 0 16px; padding: 15px; border: 1px solid #e6edf5; border-radius: 10px; background: #fbfdff; }
.qr-wrap img { width: 220px; height: 220px; image-rendering: pixelated; }
.qr-wrap span { color: #93a2b3; font-size: 9.5px; }
.order-address-row { display: flex; align-items: center; gap: 7px; padding: 7px; border: 1px solid #e2e9f2; border-radius: 7px; background: #f8fafc; }
.order-address-row code { min-width: 0; flex: 1; overflow: hidden; text-overflow: ellipsis; color: #40566f; font-family: ui-monospace, Menlo, monospace; font-size: 9px; }
.order-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin-top: 10px; }
.order-meta div { padding: 9px; border: 1px solid #e8eef6; border-radius: 6px; background: #fbfdff; }
.order-meta span { display: block; color: #97a5b5; font-size: 8.5px; }
.order-meta b { display: block; margin-top: 3px; color: #334a63; font-size: 10.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.order-warning { margin: 12px 0; padding: 8px 10px; border: 1px solid #f3e4c4; border-radius: 6px; background: #fff9ec; color: #8b6a33; font-size: 9.5px; line-height: 1.7; }
.order-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.order-actions .btn { flex: 1; min-width: 120px; height: 38px; font-size: 11px; }
.order-paid { margin: 12px 0 0; padding: 10px; border-radius: 6px; background: #e8f8f1; color: #0b7f62; font-size: 10.5px; line-height: 1.7; }
@media (max-width: 760px) {
  .checkout-shell { grid-template-columns: 1fr; }
  .checkout-intro, .order-panel { padding: 22px; }
  .qr-wrap img { width: 190px; height: 190px; }
}


/* account orders */
.account-panel-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 9px; }
.account-panel-head h2 { margin: 0; }
.account-panel-head span { color: #9aa8b7; font-size: 9px; }
.account-buy { display: flex; gap: 8px; flex-wrap: wrap; }
.account-buy .btn { height: 34px; padding: 0 12px; font-size: 10.5px; }
.account-orders { display: grid; gap: 7px; }
.account-order { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border: 1px solid #e8eef6; border-radius: 7px; background: #fff; }
.account-order div { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.account-order b { color: #334a63; font-size: 10.5px; }
.account-order span { color: #94a3b4; font-size: 8.5px; }
.account-order strong { margin-left: auto; color: #2d4560; font-size: 10.5px; white-space: nowrap; }
.account-order em { font-style: normal; padding: 2px 5px; border-radius: 3px; font-size: 8px; font-weight: 700; }
.account-order em.paid { background: #e8f8f1; color: #0f8b61; }
.account-order em.pending { background: #fff6df; color: #a66a00; }
.account-order em.expired, .account-order em.cancelled, .account-order em.rejected { background: #f2f4f7; color: #7b8a9c; }
.account-order em.review { background: #fff1f2; color: #b94b55; }
.account-empty { margin: 0; color: #97a5b5; font-size: 10px; }


/* referral */
.auth-ref-hint { margin: -3px 0 0; color: #0b8f70; font-size: 9.5px; }
.referral-link-row { display: flex; align-items: center; gap: 7px; margin: 10px 0; padding: 7px; border: 1px solid #e2e9f2; border-radius: 7px; background: #fff; }
.referral-link-row code { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; color: #40566f; font-family: ui-monospace, Menlo, monospace; font-size: 9.5px; }
.referral-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 10px 0; }
.referral-stats div { padding: 8px 9px; border: 1px solid #e8eef6; border-radius: 6px; background: #fff; }
.referral-stats span { display: block; color: #97a5b5; font-size: 8.5px; }
.referral-stats b { display: block; margin-top: 3px; color: #334a63; font-size: 12px; }
.referral-list { display: grid; gap: 5px; margin-top: 8px; }
.referral-item { display: flex; justify-content: space-between; gap: 8px; padding: 7px 8px; border: 1px solid #edf2f7; border-radius: 5px; color: #6d8298; font-size: 9px; }
.referral-item span:last-child { color: #0b8f70; font-weight: 700; }

/* public promotion */
.promo-section { padding-top: 26px; padding-bottom: 34px; }
.promo-shell { display: grid; grid-template-columns: 1.15fr .85fr; gap: 42px; align-items: center; padding: 34px 38px; border: 1px solid #d4e2f5; border-radius: 18px; background: linear-gradient(120deg, #eef5ff, #f5fbf8); overflow: hidden; position: relative; }
.promo-copy h2 { margin: 0 0 13px; font-size: clamp(28px, 3.4vw, 42px); line-height: 1.15; letter-spacing: -.045em; }
.promo-copy > p:not(.eyebrow) { margin: 0; max-width: 520px; color: #60768f; font-size: 13px; line-height: 1.8; }
.promo-actions { display: flex; gap: 9px; margin-top: 22px; flex-wrap: wrap; }
.promo-reward-card { padding: 20px; border: 1px solid #cfe0f4; border-radius: 12px; background: rgba(255,255,255,.86); box-shadow: 0 14px 40px rgba(32,76,130,.08); }
.promo-reward-head { display: flex; justify-content: space-between; gap: 10px; align-items: center; margin-bottom: 12px; }
.promo-reward-head span { color: #7f95ab; font-size: 8.5px; font-weight: 800; letter-spacing: .12em; }
.promo-reward-head b { color: #7c91a7; font-size: 8.5px; font-weight: 600; }
.promo-reward-row { display: flex; align-items: baseline; gap: 6px; padding: 10px 0; border-top: 1px solid #e7eff8; }
.promo-reward-row span { flex: 0 0 62px; color: #687d94; font-size: 10.5px; }
.promo-reward-row b { color: #1c3c66; font-size: 27px; letter-spacing: -.04em; }
.promo-reward-row em { color: #93a4b7; font-size: 9.5px; font-style: normal; }
.promo-steps { display: flex; align-items: center; gap: 5px; margin-top: 12px; color: #6f879f; font-size: 8.5px; }
.promo-steps i { color: #a7b9ca; font-style: normal; }
.promo-reward-card > p { margin: 10px 0 0; color: #97a6b6; font-size: 8.5px; line-height: 1.6; }

/* Apple messages */
.apple-section { background: #f5f8fc; }
.apple-split { grid-template-columns: 1.02fr .98fr; }
.apple-checks { grid-template-columns: 1fr 1fr; }
.phone-mock { width: min(330px, 100%); margin: 0 auto; padding: 14px; border: 1px solid #d9e3ef; border-radius: 32px; background: #1a2029; box-shadow: 0 30px 70px rgba(17,38,64,.2); }
.phone-head { display: flex; align-items: center; justify-content: space-between; height: 26px; color: #dce8f6; font-size: 9px; font-weight: 700; }
.phone-head i { color: #6c7f95; font-style: normal; letter-spacing: 2px; }
.phone-camera { width: 58px; height: 12px; border-radius: 9px; background: #080c12; }
.phone-contact { padding: 9px 5px 7px; color: #93a8bf; font-size: 9px; text-align: center; border-bottom: 1px solid #2d3948; }
.phone-thread { display: flex; flex-direction: column; gap: 8px; min-height: 238px; padding: 12px 4px; background: #f5f8fb; margin-top: 8px; border-radius: 16px; }
.phone-bubble { max-width: 88%; padding: 8px 9px; border-radius: 11px; font-size: 9.5px; line-height: 1.5; color: #33465c; }
.phone-bubble.in { align-self: flex-start; background: #fff; border-bottom-left-radius: 3px; }
.phone-bubble.out { align-self: flex-end; background: #dcecff; border-bottom-right-radius: 3px; }
.phone-bubble small { display: block; margin-top: 5px; padding-top: 4px; border-top: 1px dashed #d6e2ef; color: #0e8e7c; font-size: 8px; }
.phone-bubble.out small { color: #2563eb; }
.phone-compose { display: flex; align-items: center; gap: 7px; margin: 9px 4px 2px; padding: 8px 9px; border-radius: 8px; background: #f4f7fb; color: #91a2b5; font-size: 8px; }
.phone-compose b { margin-left: auto; width: 18px; height: 18px; border-radius: 50%; background: #2f7cf6; color: #fff; display: grid; place-items: center; font-size: 11px; }
.phone-note { margin: 8px 0 0; color: #6b7f96; font-size: 8px; text-align: center; }

/* login promotion */
.auth-main.auth-login { grid-template-columns: minmax(320px, 430px) minmax(280px, 330px); gap: 18px; align-items: center; justify-content: center; }
.auth-promo { padding: 26px; border: 1px solid #d4e2f5; border-radius: 16px; background: linear-gradient(150deg, #eef5ff, #f4fbf8); box-shadow: 0 18px 50px rgba(20,42,76,.08); }
.auth-promo h2 { margin: 0 0 16px; color: #183451; font-size: 27px; line-height: 1.15; letter-spacing: -.045em; }
.auth-promo-rewards { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 13px; }
.auth-promo-rewards div { padding: 10px; border: 1px solid #d7e5f5; border-radius: 8px; background: rgba(255,255,255,.74); }
.auth-promo-rewards b { display: block; color: #1c4b82; font-size: 20px; letter-spacing: -.04em; }
.auth-promo-rewards span { color: #8094aa; font-size: 9px; }
.auth-promo > p:not(.eyebrow) { margin: 0 0 13px; color: #6c8299; font-size: 10.5px; line-height: 1.75; }
.auth-promo .text-link { font-size: 10.5px; }
@media (max-width: 760px) {
  .promo-shell { grid-template-columns: 1fr; padding: 25px 22px; gap: 24px; }
  .apple-checks { grid-template-columns: 1fr; }
  .auth-main.auth-login { grid-template-columns: 1fr; }
  .auth-promo { width: min(430px, 100%); }
}


/* GPT translation */
.gpt-note { display: flex; align-items: center; gap: 7px; margin: 12px 0 5px !important; color: #526b86 !important; font-size: 10.5px !important; }
.gpt-note span { padding: 2px 6px; border-radius: 4px; background: #e7f1ff; color: #2f6fca; font-size: 8px; font-weight: 800; letter-spacing: .08em; }


/* download */
.download-section { padding: 18px 0 48px; }
.download-card { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 30px 34px; border: 1px solid #dbe6f2; border-radius: 16px; background: #fff; box-shadow: 0 12px 40px rgba(20,42,76,.06); }
.download-copy h2 { margin: 0 0 8px; font-size: clamp(24px, 3vw, 34px); letter-spacing: -.04em; }
.download-copy > p:not(.eyebrow) { margin: 0; color: #6c8096; font-size: 12px; line-height: 1.7; }
.download-action { flex: 0 0 auto; display: flex; flex-direction: column; align-items: flex-start; gap: 5px; }
.download-action .btn { min-width: 180px; }
.download-action p { margin: 0; color: #8c9bad; font-size: 9.5px; }
.download-action span { max-width: 280px; color: #a0adbb; font-size: 9px; line-height: 1.6; }
@media (max-width: 760px) {
  .download-card { flex-direction: column; align-items: flex-start; padding: 24px; }
}

/* download and install page */
.download-hero { padding: 64px 0 34px; background: linear-gradient(180deg, #f5f8fd, #eef4fb); border-bottom: 1px solid #e2ebf5; }
.download-hero h1 { margin: 0 0 13px; font-size: clamp(34px, 5vw, 56px); line-height: 1.1; letter-spacing: -.05em; }
.download-lead { max-width: 620px; margin: 0 0 24px; color: #62778e; font-size: 14px; line-height: 1.8; }
.download-hero-actions { display: flex; align-items: center; gap: 13px; flex-wrap: wrap; }
.download-hero-actions > span { color: #8798ab; font-size: 10.5px; }
.download-warning { display: flex; align-items: flex-start; gap: 10px; max-width: 760px; margin-top: 22px; padding: 11px 13px; border: 1px solid #f0dfbb; border-radius: 8px; background: #fff9eb; color: #856a36; font-size: 10.5px; line-height: 1.7; }
.download-warning strong { flex: 0 0 auto; color: #6d5425; }
.download-warning span { color: #8e7749; }
.install-wrap { display: grid; grid-template-columns: 1.25fr .75fr; gap: 38px; padding-top: 46px; padding-bottom: 38px; align-items: start; }
.install-main h2, .download-faq h2 { margin: 0 0 20px; font-size: 27px; letter-spacing: -.04em; }
.install-steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 11px; }
.install-steps > li { display: flex; gap: 13px; padding: 17px; border: 1px solid #e1e9f2; border-radius: 10px; background: #fff; }
.step-number { flex: 0 0 25px; width: 25px; height: 25px; display: grid; place-items: center; border-radius: 7px; background: #eaf2ff; color: #2563eb; font-size: 11px; font-weight: 800; }
.install-steps > li > div { min-width: 0; }
.install-steps b { color: #24384e; font-size: 12.5px; }
.install-steps p { margin: 5px 0 0; color: #6f8297; font-size: 10.5px; line-height: 1.75; }
.install-steps p.step-alt { color: #96a4b4; }
.install-steps code, .install-card code { font-family: ui-monospace, Menlo, monospace; font-size: 9.5px; overflow-wrap: anywhere; }
.terminal-box { display: flex; align-items: center; gap: 7px; margin: 8px 0; padding: 8px; border: 1px solid #dce5ef; border-radius: 6px; background: #f6f9fc; }
.terminal-box code { flex: 1; min-width: 0; color: #3d5369; }
.terminal-box .copy-btn { flex: 0 0 auto; height: 25px; padding: 0 8px; border: 1px solid #d3e0ee; border-radius: 5px; background: #fff; color: #506984; font-size: 9px; font-weight: 700; }
.install-side { display: grid; gap: 10px; }
.install-card { padding: 18px; border: 1px solid #e1e9f2; border-radius: 10px; background: #fff; }
.install-card h3 { margin: 0 0 9px; font-size: 13px; }
.install-card ul { padding-left: 15px; margin: 0; color: #71859a; font-size: 10.5px; line-height: 1.9; }
.install-card p { margin: 0 0 7px; color: #74879c; font-size: 10px; line-height: 1.7; }
.install-card p:last-child { margin-bottom: 0; }
.hash-text { display: block; margin: 0 0 10px; color: #5a7087; line-height: 1.6; }
.safety-card { background: #f5fbf8; border-color: #d8eee5; }
.download-faq { max-width: 850px; padding-bottom: 70px; }
.download-faq h2 { margin-top: 0; }
.download-faq details { border-bottom: 1px solid #e0e8f2; padding: 0 4px; }
.download-faq summary { cursor: pointer; padding: 14px 26px 14px 0; position: relative; color: #2a3e55; font-size: 12px; font-weight: 700; }
.download-faq summary::after { content: "+"; position: absolute; right: 2px; color: #8798ab; font-size: 17px; font-weight: 400; }
.download-faq details[open] summary::after { content: "−"; }
.download-faq details p { margin: -2px 0 16px; color: #71859a; font-size: 10.5px; line-height: 1.8; }
.download-faq code { font-family: ui-monospace, Menlo, monospace; font-size: 9.5px; }
@media (max-width: 760px) {
  .install-wrap { grid-template-columns: 1fr; gap: 26px; padding-top: 30px; }
  .download-warning { flex-direction: column; gap: 3px; }
  .download-hero { padding-top: 42px; }
}


/* Google auth */
.auth-divider { display: flex; align-items: center; gap: 9px; margin: 15px 0 10px; color: #a1adbb; font-size: 9px; }
.auth-divider::before, .auth-divider::after { content: ""; height: 1px; flex: 1; background: #e7edf5; }
.google-auth-btn { display: flex; align-items: center; justify-content: center; gap: 8px; width: 100%; height: 38px; border: 1px solid #dce4ee; border-radius: 7px; background: #fff; color: #3d5065; font-size: 11px; font-weight: 700; }
.google-auth-btn:hover { background: #f8fbff; border-color: #c8d8ea; }
.google-g { display: grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; background: conic-gradient(from -40deg, #4285f4 0 25%, #34a853 0 50%, #fbbc05 0 75%, #ea4335 0); color: #fff; font-size: 9px; font-weight: 900; }

/* Google device callback */
.device-page { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: #0a0f17; color: #eaf2fb; }
.device-card { width: min(430px, 100%); padding: 30px; border: 1px solid #26384d; border-radius: 16px; background: #111b29; box-shadow: 0 30px 80px rgba(0,0,0,.35); }
.device-eyebrow { margin: 26px 0 8px; color: #6fa8ff; font-size: 9px; font-weight: 800; letter-spacing: .14em; }
.device-card h1 { margin: 0 0 9px; font-size: 27px; letter-spacing: -.04em; }
.device-card > p:not(.device-eyebrow):not(.device-note) { margin: 0 0 20px; color: #91a6bd; font-size: 11.5px; line-height: 1.8; }
.device-note { margin: 16px 0 0; color: #6f849a; font-size: 9.5px; line-height: 1.6; }
.device-card .btn { width: 100%; }
.client-auth-brand { color: #f3f8ff; }

/* privacy */
.privacy-section { background: #0d1726; color: #e5eef8; position: relative; overflow: hidden; }
.privacy-section::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 78% 25%, rgba(25,184,117,.16), transparent 34%), radial-gradient(circle at 10% 80%, rgba(47,124,246,.16), transparent 32%); pointer-events: none; }
.privacy-shell { position: relative; z-index: 2; display: grid; grid-template-columns: 1.2fr .8fr; gap: 54px; align-items: center; }
.privacy-copy h2 { margin: 0 0 14px; color: #f2f7fd; font-size: clamp(30px, 4vw, 46px); line-height: 1.13; letter-spacing: -.045em; }
.privacy-copy > p:not(.eyebrow):not(.privacy-note) { margin: 0; color: #9fb2c6; font-size: 13px; line-height: 1.8; }
.privacy-points { display: grid; gap: 9px; margin: 20px 0 15px; }
.privacy-points div { display: grid; gap: 3px; padding: 10px 12px; border: 1px solid rgba(160,185,210,.15); border-radius: 7px; background: rgba(15,28,45,.55); }
.privacy-points b { color: #dcebf8; font-size: 11px; }
.privacy-points span { color: #8fa6bd; font-size: 10px; line-height: 1.6; }
.privacy-note { margin: 0; color: #6f8ba5; font-size: 9.5px; line-height: 1.7; }
.privacy-visual { padding: 20px; border: 1px solid rgba(155,185,215,.16); border-radius: 14px; background: rgba(14,25,40,.72); box-shadow: 0 24px 60px rgba(0,0,0,.2); }
.privacy-lock { width: 38px; height: 38px; margin-bottom: 15px; display: grid; place-items: center; border-radius: 10px; background: #173248; color: #75d8bd; font-size: 23px; }
.privacy-row { display: flex; justify-content: space-between; gap: 8px; padding: 10px 0; border-top: 1px solid rgba(160,185,210,.12); color: #9bb0c5; font-size: 10px; }
.privacy-row b { color: #e0edf8; font-weight: 700; }
@media (max-width: 800px) { .privacy-shell { grid-template-columns: 1fr; gap: 28px; } }