/* oChat — стили лендинга. Редакционный ритм: волосяные линии, моно-подписи,
   крупные плотные заголовки. Цвета берутся только из токенов common.css. */

/* Появление секций при скролле. Для prefers-reduced-motion всё видно сразу —
   см. блок в конце файла. */
.anim { opacity: 0; transform: translateY(20px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.anim.vis { opacity: 1; transform: translateY(0); }

/* ===== Герой ===== */
.hero { padding: 66px 0 56px; }
.hero-content { display: grid; grid-template-columns: 1.25fr 1fr; gap: 52px; align-items: center; }
.hero-text { min-width: 0; }
.pill {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-family: var(--mono);
    font-size: .72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .14em;
    color: var(--text2);
    margin-bottom: 26px;
}
.pill::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
.hero h1 {
    font-size: clamp(2.7rem, 7vw, 5.4rem);
    line-height: 1.02;
    letter-spacing: -.04em;
    font-weight: 700;
    margin-bottom: 20px;
}
.hero-sub {
    color: var(--text2);
    font-size: clamp(1.05rem, 1.7vw, 1.28rem);
    line-height: 1.5;
    max-width: 540px;
    margin-bottom: 30px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.hero-note { margin-top: 22px; font-family: var(--mono); font-size: .72rem; color: var(--text3); letter-spacing: .02em; }
.hero-visual { min-width: 0; display: flex; justify-content: center; }

/* ===== Заголовки секций ===== */
.section-head {
    display: flex;
    align-items: baseline;
    gap: 16px;
    border-top: 1px solid var(--border);
    padding-top: 18px;
    margin-bottom: 6px;
}
.section-head .tag {
    font-family: var(--mono);
    font-size: .72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--text2);
    flex-shrink: 0;
}
.section-head h2 {
    font-size: clamp(1.7rem, 3.6vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -.03em;
    margin-left: auto;
    text-align: right;
    max-width: 62%;
}

/* ===== Возможности ===== */
.features { padding: 36px 0 20px; }
.feature-list { margin-top: 14px; }
.feature-row {
    display: flex;
    gap: 22px;
    align-items: flex-start;
    padding: 22px 0;
    border-top: 1px solid var(--border);
    transition: color .2s var(--ease);
}
.feature-row:last-child { border-bottom: 1px solid var(--border); }
.feature-row:hover { color: var(--accent); }
.feature-num { font-family: var(--mono); font-size: .9rem; color: currentColor; opacity: .5; flex: none; width: 44px; padding-top: 5px; }
.feature-body { flex: 1; min-width: 0; }
.feature-row-head { display: flex; align-items: center; gap: 12px; margin-bottom: 5px; flex-wrap: wrap; }
.feature-row h3 { font-size: 1.3rem; font-weight: 700; letter-spacing: -.02em; color: currentColor; }
.feature-row p { color: var(--text2); font-size: .92rem; line-height: 1.5; max-width: 640px; }
.feature-row--lead { padding-top: 26px; }
.feature-row--lead h3 { font-size: 1.55rem; }
.badge {
    font-family: var(--mono);
    font-size: .6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--accent);
    border: 1px solid var(--accent);
    padding: 3px 8px;
    border-radius: 6px;
}
.badge-soon { color: var(--text3); border-color: var(--border); }

/* ===== Макет устройства (заменяет реальные скриншоты) ===== */
.device {
    width: 268px;
    max-width: 100%;
    border: 1px solid var(--control-border);
    border-radius: 38px;
    background: var(--card);
    box-shadow: var(--shadow-lg);
    padding: 9px;
    flex: none;
}
/* Экран макета — на card, а не на canvas: в тёмной теме canvas совпадает с фоном
   страницы, и «телефон» растворяется в ней вместе с содержимым. */
.device-screen {
    background: var(--card);
    border-radius: 30px;
    overflow: hidden;
    height: 512px;
    display: flex;
    flex-direction: column;
}
.mock-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    background: var(--elevated);
}
.mock-bar-title { font-size: .86rem; font-weight: 700; letter-spacing: -.01em; }
.mock-bar-sub { font-family: var(--mono); font-size: .6rem; color: var(--green); text-transform: uppercase; letter-spacing: .06em; }
.mock-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--grad-premium);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .7rem;
    font-weight: 700;
    flex: none;
}
.mock-body { flex: 1; overflow: hidden; padding: 14px; display: flex; flex-direction: column; gap: 8px; }

/* Реплики */
.bubble {
    max-width: 80%;
    padding: 9px 12px;
    border-radius: 16px;
    font-size: .82rem;
    line-height: 1.4;
    position: relative;
    animation: bubbleIn .45s var(--ease) both;
}
.bubble.in { background: var(--seg); color: var(--text); border-bottom-left-radius: 6px; align-self: flex-start; }
.bubble.out { background: var(--accent-fill); color: #fff; border-bottom-right-radius: 6px; align-self: flex-end; }
.bubble-meta { display: flex; align-items: center; justify-content: flex-end; gap: 4px; margin-top: 4px; font-family: var(--mono); font-size: .55rem; opacity: .65; }
.bubble.in .bubble-meta { color: var(--text3); opacity: 1; }
@keyframes bubbleIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* Индикатор набора */
.typing { display: inline-flex; gap: 4px; align-self: flex-start; background: var(--seg); padding: 11px 13px; border-radius: 16px; border-bottom-left-radius: 6px; }
.typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--text3); animation: typingDot 1.2s infinite; }
.typing i:nth-child(2) { animation-delay: .18s; }
.typing i:nth-child(3) { animation-delay: .36s; }
@keyframes typingDot { 0%, 60%, 100% { opacity: .3; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-3px); } }

/* Строка списка чатов */
.mock-row { display: flex; gap: 10px; align-items: center; padding: 9px 0; border-bottom: 1px solid var(--border); }
.mock-row:last-child { border-bottom: none; }
.mock-row-body { min-width: 0; flex: 1; }
.mock-row-top { display: flex; align-items: baseline; gap: 8px; }
.mock-row-name { font-size: .82rem; font-weight: 600; letter-spacing: -.01em; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mock-row-time { font-family: var(--mono); font-size: .58rem; color: var(--text3); flex: none; }
.mock-row-preview { font-size: .74rem; color: var(--text2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mock-unread {
    background: var(--accent-fill);
    color: #fff;
    font-family: var(--mono);
    font-size: .58rem;
    font-weight: 700;
    min-width: 18px;
    height: 18px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
    flex: none;
}
.mock-section-label {
    font-family: var(--mono);
    font-size: .58rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--text3);
    padding: 2px 0 6px;
}
.mock-setting { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: .78rem; }
.mock-setting span:last-child { font-family: var(--mono); font-size: .58rem; color: var(--text3); text-transform: uppercase; letter-spacing: .06em; }

/* ===== Скриншоты ===== */
.shots { padding: 36px 0 20px; }
.shots .section-head { margin-bottom: 30px; }
.shots-grid { display: flex; gap: 26px; justify-content: center; flex-wrap: wrap; }
.shot { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.shot-caption { font-family: var(--mono); font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; color: var(--text3); text-align: center; }

/* ===== Блок про шифрование ===== */
.honest { padding: 36px 0 20px; }
.honest-card {
    border: 1px solid var(--border);
    border-radius: var(--rxl);
    background: var(--card);
    padding: clamp(28px, 4vw, 44px);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 34px;
}
.honest-card h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 700; letter-spacing: -.03em; margin-bottom: 12px; }
.honest-card p { color: var(--text2); font-size: .94rem; line-height: 1.6; margin-bottom: 12px; }
.honest-list { display: flex; flex-direction: column; gap: 12px; }
.honest-item { display: flex; gap: 12px; align-items: flex-start; padding: 12px 0; border-top: 1px solid var(--border); }
.honest-item:first-child { border-top: none; padding-top: 0; }
.honest-mark { font-family: var(--mono); font-size: .72rem; font-weight: 700; flex: none; padding-top: 2px; }
.honest-mark.yes { color: var(--green); }
.honest-mark.no { color: var(--red); }
.honest-item h4 { font-size: .92rem; font-weight: 700; margin-bottom: 3px; }
.honest-item p { font-size: .82rem; margin: 0; }

/* ===== Платформы ===== */
.platforms { padding: 36px 0 20px; }
.platforms .section-head { margin-bottom: 22px; }
.platform-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.pcard { border: 1px solid var(--border); border-radius: var(--r); background: var(--card); padding: 22px; }
.pcard-head { display: flex; align-items: center; gap: 10px; margin-bottom: 5px; }
.pcard h4 { font-size: 1.05rem; font-weight: 700; letter-spacing: -.02em; }
.pcard p { color: var(--text2); font-size: .85rem; line-height: 1.5; }

/* ===== Финальный призыв ===== */
.cta { padding: 26px 0 40px; }
.cta-inner {
    border: 1px solid var(--border);
    border-radius: var(--rxl);
    background: var(--card);
    padding: clamp(40px, 6vw, 64px) 40px;
    text-align: center;
}
.cta-inner h2 { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 700; letter-spacing: -.03em; line-height: 1.04; margin-bottom: 14px; }
.cta-inner p { color: var(--text2); font-size: 1.05rem; margin-bottom: 28px; }
.cta-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

@media (max-width: 900px) {
    .hero-content { grid-template-columns: 1fr; gap: 40px; }
    .section-head h2 { max-width: 100%; text-align: left; margin-left: 0; }
    .section-head { flex-direction: column; align-items: flex-start; gap: 8px; }
    .honest-card { grid-template-columns: 1fr; gap: 22px; }
    .platform-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .hero { padding: 40px 0 36px; }
    .platform-grid { grid-template-columns: 1fr; }
    .cta-inner { padding: 36px 22px; }
}

@media (prefers-reduced-motion: reduce) {
    .anim { opacity: 1; transform: none; transition: none; }
    .bubble, .typing i { animation: none; }
}

/* ===== Макет экрана входа ===== */
.mock-auth { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; padding: 20px 18px; text-align: center; }
.mock-auth h5 { font-size: 1.05rem; font-weight: 700; letter-spacing: -.02em; }
.mock-auth p { font-size: .76rem; color: var(--text2); line-height: 1.45; }
.mock-field {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    background: var(--seg);
    border-radius: 12px;
    padding: 11px 14px;
    margin-top: 6px;
    font-size: .84rem;
}
.mock-field-code { color: var(--text3); font-family: var(--mono); font-size: .78rem; }
.mock-code { display: flex; gap: 7px; margin-top: 6px; }
.mock-code i {
    width: 30px;
    height: 38px;
    border-radius: 10px;
    background: var(--seg);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--mono);
    font-size: .9rem;
    font-style: normal;
    color: var(--text);
}
.mock-code i.empty { color: var(--text3); }
.mock-auth-btn {
    width: 100%;
    margin-top: 10px;
    background: var(--grad-premium);
    color: #fff;
    border-radius: 999px;
    padding: 12px 0;
    font-size: .84rem;
    font-weight: 600;
}
.mock-auth-hint { font-family: var(--mono); font-size: .62rem; color: var(--text3); text-transform: uppercase; letter-spacing: .05em; }

/* Карточка аккаунта в макете настроек */
.mock-account { display: flex; align-items: center; gap: 11px; padding: 4px 0 14px; }
.mock-account .mock-avatar { width: 44px; height: 44px; font-size: .95rem; }
.mock-account-name { font-size: .92rem; font-weight: 700; letter-spacing: -.01em; }
.mock-account-phone { font-family: var(--mono); font-size: .66rem; color: var(--text3); }