/* Hero */
.hero { position: relative; display: flex; align-items: center; min-height: 100vh; min-height: 100svh; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 60% 50% at 75% 40%, rgba(74, 140, 255, 0.18), transparent 65%), radial-gradient(ellipse 50% 40% at 15% 90%, rgba(155, 123, 255, 0.1), transparent 60%); pointer-events: none; }
.hero::after { content: ""; position: absolute; inset: auto 0 0 0; height: 30%; background: linear-gradient(transparent, var(--bg)); pointer-events: none; }
.hero-wave { position: absolute; left: 0; right: 0; bottom: 2%; width: 100%; height: 24%; opacity: 0.35; }
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 7fr 5fr; gap: 40px; align-items: center; width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 120px 24px 80px; }
.eyebrow { margin: 0 0 20px; font: 500 13px var(--mono); letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); }
.hero-title { margin: 0; font-size: clamp(40px, 6.4vw, 86px); font-weight: 800; line-height: 1; letter-spacing: -0.045em; --d: 0.08s; }
.lead { max-width: 580px; margin: 28px 0 0; font-size: 19px; color: var(--muted); --d: 0.18s; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; --d: 0.28s; }
.hero-actions.center { justify-content: center; }

/* Иконка приложения, которая меняется во время встречи */
.hero-icon-wrap { display: grid; justify-items: center; gap: 22px; --d: 0.2s; }
.app-icon {
  position: relative; display: grid; align-content: center; gap: 18px;
  width: min(300px, 70vw); aspect-ratio: 1; padding: 16%;
  border-radius: 24%; background: linear-gradient(160deg, #3b404d, #1c1f27 70%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 50px 100px -30px rgba(0, 0, 0, 0.9), 0 0 120px -30px rgba(74, 140, 255, 0.45);
  transition: box-shadow 0.6s var(--ease), transform 0.6s var(--ease);
}
.app-icon.live { box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 50px 100px -30px rgba(0, 0, 0, 0.9), 0 0 140px -20px rgba(63, 208, 122, 0.5); transform: scale(1.02); }
.icon-wave { aspect-ratio: 3 / 1; }
.icon-wave canvas { width: 100%; height: 100%; display: block; }
.icon-lines { display: grid; gap: 9%; }
.icon-lines i { height: clamp(5px, 2.6vw, 12px); border-radius: 6px; background: #d7dcea; }
.icon-lines i:nth-child(2) { width: 82%; }
.icon-lines i:nth-child(3) { width: 58%; }
.icon-dot { position: absolute; right: -4%; bottom: -4%; width: 19%; aspect-ratio: 1; border-radius: 50%; background: #5d6270; border: 5px solid var(--bg); transition: background 0.4s; }
.app-icon.live .icon-dot { background: var(--live); animation: live 1.6s ease-in-out infinite; }
@keyframes live { 50% { box-shadow: 0 0 0 10px rgba(63, 208, 122, 0); } 0% { box-shadow: 0 0 0 0 rgba(63, 208, 122, 0.55); } }
.icon-state { margin: 0; font: 500 14px var(--mono); color: var(--muted); }
.icon-state.live { color: var(--live); }

/* Факты */
.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.fact { padding: 28px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.fact b { display: block; font-size: 64px; font-weight: 800; line-height: 1; letter-spacing: -0.05em; background: linear-gradient(92deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.fact span { display: block; margin-top: 12px; color: var(--muted); }
.fact:nth-child(2) { --d: 0.08s; }
.fact:nth-child(3) { --d: 0.16s; }

/* Секции */
.section { padding-top: 120px; padding-bottom: 30px; }
#why { padding-top: 40px; }
.section-head { max-width: 760px; margin-bottom: 50px; }
.section-head h2 { margin: 10px 0 0; font-size: clamp(34px, 5vw, 58px); font-weight: 800; line-height: 1.04; letter-spacing: -0.04em; }
.kicker { font: 500 13px var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }

.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.card { position: relative; padding: 30px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.card h3 { margin: 0 0 10px; font-size: 21px; }
.card p { margin: 0; color: var(--muted); }
.spot::before { content: ""; position: absolute; inset: 0; opacity: 0; background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(74, 140, 255, 0.12), transparent 60%); transition: opacity 0.3s; pointer-events: none; }
.spot:hover::before { opacity: 1; }
.spot:hover { border-color: var(--border-strong); }

.faq { max-width: 820px; }
.faq details { border-bottom: 1px solid var(--border); }
.faq summary { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 22px 0; font-size: 19px; font-weight: 700; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 400 26px var(--mono); color: var(--muted); transition: transform 0.3s var(--ease), color 0.2s; }
.faq details[open] summary::after { transform: rotate(45deg); color: var(--accent); }
.faq summary:hover { color: var(--accent); }
.faq p { margin: 0; padding: 0 0 22px; color: var(--muted); }

.cta { padding-top: 150px; padding-bottom: 130px; text-align: center; }
.cta-title { margin: 0 0 44px; font-size: clamp(34px, 6.5vw, 84px); font-weight: 800; line-height: 1.02; letter-spacing: -0.045em; }

@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; padding-top: 110px; }
  .hero-icon-wrap { order: -1; }
  .app-icon { width: 170px; gap: 12px; }
  .icon-dot { border-width: 4px; }
  .facts, .grid { grid-template-columns: 1fr; }
  .section { padding-top: 90px; }
}