/* ═══════════════════════════════════════════
   ДИАЛОГ.КЛУБ — layout.css
   Сетка, контейнеры, секции, отступы
   ═══════════════════════════════════════════ */

/* ─── КОНТЕЙНЕРЫ ─── */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--container-px);
}

.container--narrow {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 var(--container-px);
}

.container--wide {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--container-px);
}

/* ─── СЕКЦИИ (отступы сверху/снизу) ─── */
.section {
    padding: var(--section-py) 0;
}

/* ─── СКРОЛЛ-ИНДИКАТОР ─── */
.scroll-line {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    background: linear-gradient(90deg, #2A6B9C 0%, #C8922A 100%);
    z-index: 300;
    transform-origin: left;
    transform: scaleX(0);
    transition: transform 0.1s linear;
}

/* ─── НАВИГАЦИЯ ─── */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    padding: 20px var(--container-px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.4s var(--ease), backdrop-filter 0.4s var(--ease), padding 0.3s var(--ease);
}

.nav.scrolled {
    background: rgba(3, 4, 10, 0.82);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    padding: 14px var(--container-px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* ─── HERO ─── */
.hero {
    min-height: 100vh;
    background: var(--space);
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

/* ─── СЕТКА КАРТОЧЕК: 4 колонки ─── */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--gap-card);
    position: relative;
    z-index: 1;
}

section[aria-labelledby="howTitle"] {
    position: relative;
    overflow: hidden;
}

section[aria-labelledby="howTitle"]::before {
    content: '';
    position: absolute;
    inset: -12% -6% -12% 42%;
    background-image: url('../assets/images/orbit_deco.png');
    background-size: cover;
    background-position: right center;
    background-repeat: no-repeat;
    opacity: 0.16;
    -webkit-mask-image: radial-gradient(ellipse 82% 88% at 78% 50%, #000 52%, transparent 100%);
    mask-image: radial-gradient(ellipse 82% 88% at 78% 50%, #000 52%, transparent 100%);
    pointer-events: none;
    z-index: 0;
}

/* ─── СЕТКА ТАРИФОВ: 3 колонки ─── */
.tariff-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap-card);
    position: relative;
    z-index: 1;
}

/* ─── ДЛЯ КОГО: 2 колонки ─── */
.for-whom-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

/* ─── ОБ ОСНОВАТЕЛЕ: 2 колонки ─── */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 80px;
    align-items: center;
}

.about-grid--home {
    grid-template-columns: 1fr;
    gap: 0;
}

/* ─── ШАГИ ─── */
.steps {
    display: flex;
    flex-direction: column;
    position: relative;
}

.steps--4 {
    grid-template-columns: repeat(4, 1fr);
}

/* ─── СЕССИИ ПРОГРАММЫ ─── */
.sessions {
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* ─── ФУТЕР ─── */
.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
}

/* ═══════════════════════════════════
   АДАПТИВНОСТЬ
   ═══════════════════════════════════ */

/* Большие планшеты / маленькие десктопы */
@media (max-width: 1024px) {

    .cards-grid,
    .tariff-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .for-whom-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-grid--home {
        gap: 0;
    }

    .about__photo {
        aspect-ratio: 16 / 9;
    }
}

/* Планшеты и мобильные */
@media (max-width: 768px) {
    :root {
        --section-py: 80px;
        --container-px: 20px;
        --gap-card: 24px;
    }

    .container,
    .container--narrow,
    .container--wide {
        padding: 0 20px;
        max-width: 100%;
    }

    .cards-grid,
    .tariff-grid {
        grid-template-columns: 1fr;
    }

    .steps,
    .steps--4 {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .for-whom-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer__inner {
        flex-direction: column;
        text-align: center;
        gap: 24px;
    }

    .nav {
        padding: 16px 20px;
    }

    .nav.scrolled {
        padding: 12px 20px;
    }
}

/* Маленькие мобильные */
@media (max-width: 480px) {

    .cards-grid,
    .tariff-grid {
        grid-template-columns: 1fr;
    }

    .hero__actions {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
}

/* Страница с документами (оферта, политика) */
.doc-page {
    background: var(--white);
    padding: calc(var(--section-py) + 60px) 0 var(--section-py);
}

.doc-page h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--ink);
    margin-bottom: 12px;
}

/* 2026 redesign layout overrides */
.container {
    max-width: var(--content-max);
}

.container--narrow {
    max-width: 860px;
}

.container--wide {
    max-width: 1360px;
}

.section,
.home-section {
    padding: var(--section-py) 0;
}

.nav {
    width: min(calc(100% - 32px), 1320px);
    margin: calc(var(--safe-top) + 18px) auto 0;
    padding: 18px 28px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    background: rgba(7, 11, 20, 0.72);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.16);
}

.nav.scrolled {
    background: rgba(6, 9, 18, 0.78);
    padding: 14px 24px;
    box-shadow: 0 14px 42px rgba(0, 0, 0, 0.18);
}

.hero {
    min-height: 980px;
    padding: 152px 0 88px;
}

.cards-grid,
.tariff-grid {
    gap: 24px;
}

.sessions {
    gap: 18px;
}

.footer__inner {
    align-items: flex-start;
}

@media (max-width: 1024px) {
    .nav {
        width: calc(100% - 24px);
        margin-top: calc(var(--safe-top) + 12px);
    }

    .hero {
        min-height: auto;
        padding-top: 148px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-py: 88px;
        --container-px: 18px;
    }

    .footer__inner {
        align-items: center;
    }

    .nav {
        width: calc(100% - 16px);
        padding: 12px 16px;
        margin-top: calc(var(--safe-top) + 10px);
    }

    .nav.scrolled {
        padding: 10px 14px;
    }

    .hero {
        padding: 132px 0 72px;
    }

    .cards-grid,
    .tariff-grid,
    .sessions {
        gap: 16px;
    }

    .nav__logo {
        max-width: 118px;
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        z-index: 1;
    }

    .footer__logo {
        max-width: 112px;
        margin: 0 auto;
    }
}

/* Restore original homepage hero layout */
.home-page .hero {
    min-height: 100vh;
    padding: 0;
    display: flex;
    align-items: center;
}

@media (max-width: 1024px) {
    .home-page .hero {
        min-height: 100vh;
        padding-top: 0;
    }
}

@media (max-width: 768px) {
    .home-page .hero {
        padding: 0;
    }
}

.doc-page .doc-meta {
    color: var(--ink-pale);
    font-size: 0.85rem;
    margin-bottom: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--warm-mid);
}

.doc-page h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--ink);
    margin: 40px 0 16px;
}

.doc-page p {
    color: var(--ink-soft);
    font-size: 1.1rem;
    line-height: 1.85;
    font-weight: 300;
    margin-bottom: 16px;
}

.doc-page ul {
    list-style: disc;
    padding-left: 24px;
    color: var(--ink-soft);
    font-size: 1.1rem;
    line-height: 1.85;
    font-weight: 300;
    margin-bottom: 16px;
}

.doc-page ul li {
    margin-bottom: 8px;
}