/* ==========================================================================
   ОГЛАВЛЕНИЕ (mobile.css) — Мобильная версия (до 900px и до 480px)
   1. Базовые отступы, типографика, safe-area
   2. Шапка: компактный бренд, меню на весь экран
   3. Блоки 1–8: сетки, видео, карусели, переходы
   4. Touch: зоны подсказок, крупные кнопки
   ========================================================================== */

/* Подсказка свайпа — только на мобильных (см. @media) */
.block-05__strip-hint {
  display: none;
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin: 0.25rem 0 0.5rem;
}

@media (max-width: 900px) {
  html {
    scroll-padding-top: 72px;
  }
  .section-block {
    min-height: auto;
    padding: calc(var(--gap-lg) * 1.1) 0;
  }
  .container {
    width: min(1200px, 94vw);
  }
  .section-title {
    font-size: clamp(1.45rem, 5.5vw, 2rem);
    margin-bottom: var(--gap-sm);
  }
  .section-lead {
    font-size: var(--text-base);
    margin-bottom: var(--gap-md);
  }
  .btn {
    padding: 0.9rem 1.35rem;
    min-height: 48px;
  }
  /* --- Шапка (планшет): одна строка, как на десктопе --- */
  .block-01__header {
    padding: 0.65rem 0.85rem;
    padding-top: max(0.65rem, env(safe-area-inset-top));
    align-items: center;
  }
  .block-01__header-left {
    flex: 1;
    min-width: 0;
    gap: 0.15rem;
  }
  .block-01__brand {
    padding: 0.4rem 0.65rem;
    min-width: 0;
  }
  .block-01__brand img {
    width: 38px;
    height: 38px;
  }
  .block-01__brand-text {
    font-size: 0.8rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .block-01__brand-text small {
    display: none;
  }
  .block-01__link-btn {
    padding: 0.5rem 0.55rem;
    font-size: 0.8125rem;
    flex-shrink: 0;
  }
  .block-01__header-actions {
    flex-shrink: 0;
    gap: 0.25rem;
  }
  .block-01__nav-trigger {
    padding: 0.55rem 0.9rem;
    min-height: 44px;
  }
  /* Меню: только по клику (.is-open), не hover */
  .block-01__nav-wrap:hover .block-01__nav {
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px) scale(0.96);
  }
  .block-01__nav-wrap.is-open .block-01__nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
  }
  .block-01__nav {
    position: fixed;
    top: calc(3.75rem + env(safe-area-inset-top, 0px));
    left: 0.85rem;
    right: 0.85rem;
    min-width: 0;
    max-height: min(70vh, calc(100dvh - 5rem));
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    z-index: calc(var(--z-header) + 1);
  }
  .block-01__nav a {
    padding: 0.55rem 0.85rem;
    min-height: 40px;
    display: flex;
    align-items: center;
  }
  .block-01__nav a:not(.block-01__nav-link--highlight) {
    display: block;
  }
  .block-01__nav-link--highlight {
    min-height: 44px;
  }
  .block-01__nav-star {
    flex: 0 0 18px;
    width: 18px;
    height: 18px;
    max-width: 18px;
    max-height: 18px;
  }
  /* --- Блок 1 --- */
  .block-01__inner {
    padding-top: 5.5rem;
  }
  .block-01__actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    gap: var(--gap-sm);
  }
  .block-01__actions .btn {
    width: min(100%, 320px);
    flex: none;
  }
  .block-01__title {
    font-size: clamp(1.65rem, 7vw, 2.25rem);
  }
  .block-01__moon-corner {
    opacity: 0.65;
    transform: scale(0.75);
  }
  /* --- Блок 2 --- */
  .block-02.section-block {
    padding-top: calc(var(--gap-xl) + var(--gap-md));
  }
  .block-02__stats {
    grid-template-columns: 1fr 1fr;
    gap: var(--gap-sm);
  }
  .block-02__stat {
    padding: var(--gap-sm);
  }
  .block-02__income-bar {
    margin-top: var(--gap-md);
  }
  /* Карусель клипов: кнопки внутри видимой области + одна карточка на узких экранах */
  .block-02__carousel-outer {
    display: block;
    position: relative;
    width: 100%;
    max-width: 100%;
    margin-inline: auto;
    padding: var(--gap-md) 0;
    overflow-x: clip;
  }
  .block-02__carousel {
    grid-column: unset;
    width: 100%;
  }
  .block-02__carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 15;
    width: 42px;
    height: 42px;
    font-size: 1.35rem;
    background: rgba(10, 10, 15, 0.82);
    backdrop-filter: blur(6px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.45);
  }
  .block-02__carousel-btn--prev {
    left: 0.4rem;
    grid-column: unset;
    justify-self: unset;
  }
  .block-02__carousel-btn--next {
    right: 0.4rem;
    grid-column: unset;
    justify-self: unset;
  }
  .block-02__carousel-btn:hover {
    transform: translateY(-50%) scale(1.06);
  }
  .block-02__clip-card {
    flex: 0 0 calc((100% - var(--gap-md)) / 2);
    min-width: 160px;
  }
  /* --- Блок 3 --- */
  .block-03 {
    padding-top: calc(var(--gap-xl) * 1.65 + var(--gap-sm));
    padding-bottom: calc(var(--gap-xl) + 48px);
  }
  .block-03__eyebrow {
    margin-top: var(--gap-sm);
  }
  .block-03::after {
    height: 80px;
  }
  .block-03__card {
    transform: none;
    opacity: 1;
  }
  .block-03__card.is-active {
    transform: scale(1.02);
  }
  .block-03__detail-panel {
    width: 100%;
    max-height: 92dvh;
    padding: 1rem;
  }
  .block-03__detail-close {
    top: 0.65rem;
    right: 0.65rem;
  }
  /* --- Блок 4 --- */
  .block-04 {
    margin-top: -72px;
    padding-top: calc(var(--gap-xl) + var(--gap-md) + 72px);
    min-height: auto;
    padding-bottom: var(--gap-xl);
  }
  /* --- Блок 5 --- */
  .block-05.section-block {
    padding-top: calc(var(--gap-xl) + var(--gap-md));
  }
  .block-04__samples {
    max-width: 100%;
    gap: 0;
  }
  .block-04__sample-card + .block-04__sample-card {
    margin-top: var(--gap-sm);
  }
  .block-04__sample-card + .block-04__sample-card .block-04__course-label {
    margin-top: 0;
    padding-top: var(--gap-md);
  }
  .block-04__samples-btn {
    padding: 0.95rem 1.2rem;
    margin-bottom: calc(var(--gap-xl) * 1.35);
  }
  .block-04__sample-media {
    min-height: 180px;
  }
  /* --- Блок 5 --- */
  .block-05__strip-viewport::before,
  .block-05__strip-viewport::after {
    width: 18%;
    opacity: 0.35;
  }
  .block-05__strip-hint {
    display: block;
  }
  .block-05__lightbox {
    padding: 0.75rem;
  }
  .block-05__lightbox-close {
    top: max(0.65rem, env(safe-area-inset-top));
    right: 0.65rem;
    width: 48px;
    height: 48px;
  }
  /* --- Переходы между блоками --- */
  .section-divider {
    height: 56px;
  }
  .section-divider--slow,
  .section-divider--b4-b5,
  .section-divider--b5-b6,
  .section-divider--b6-b7 {
    margin-top: -28px;
    margin-bottom: -28px;
    height: 56px;
  }
  .section-divider__pulse-wave {
    height: 50px;
  }
  .section-divider--b3-enter {
    height: 72px;
  }
  /* --- Блок 6 --- */
  .block-06 {
    align-items: flex-start;
  }
  .block-06.section-block {
    padding-top: calc(var(--gap-xl) + var(--gap-lg));
    padding-bottom: calc(var(--gap-xl) + var(--gap-lg));
  }
  .block-06__inner {
    transform: none;
    padding-bottom: var(--gap-md);
  }
  .block-06__title {
    margin-top: var(--gap-md);
  }
  .block-06__faq {
    margin-top: var(--gap-md);
    margin-bottom: var(--gap-lg);
  }
  .block-06__faq-item.is-open .block-06__faq-a {
    max-height: 480px;
  }
  .block-06__faq-q {
    font-size: var(--text-sm);
    padding: var(--gap-sm) 0;
  }
  /* --- Блок 7 --- */
  .block-07.section-block {
    padding-top: calc(var(--gap-xl) + var(--gap-lg));
  }
  .block-07__cards {
    gap: var(--gap-md);
  }
  .block-07__glow-photo {
    max-width: 280px;
    margin-inline: auto;
  }
  .block-07__contact-actions {
    max-width: 100%;
  }
  .block-07__steps {
    grid-template-columns: 1fr 1fr;
    gap: var(--gap-md);
  }
  .block-07__step {
    padding: calc(var(--gap-md) * 0.9);
  }
  .block-07__write-btn {
    width: 100%;
    max-width: 320px;
  }
  .block-07__social-picker {
    flex-wrap: nowrap;
    gap: 0.5rem;
  }
  .block-07__social-link {
    min-width: 0;
    max-width: none;
    flex: 1 1 0;
    padding: 0.65rem 0.35rem;
  }
  /* --- Подвал --- */
  .block-08 {
    padding-bottom: max(var(--gap-lg), env(safe-area-inset-bottom));
  }
  .block-08__buy-btn {
    width: 100%;
    max-width: 240px;
  }
}

@media (max-width: 480px) {
  .block-07__steps {
    grid-template-columns: 1fr;
    gap: var(--gap-md);
  }
  /* Телефон: в шапке только логотип, без подписи */
  .block-01__brand {
    padding: 0.35rem;
    gap: 0;
  }
  .block-01__brand-text {
    display: none;
  }
  .block-01__brand img {
    width: 40px;
    height: 40px;
  }
  .block-02__stats {
    grid-template-columns: 1fr;
  }
  .block-02__clip-card {
    flex: 0 0 100%;
    min-width: 0;
  }
  .block-02__carousel-btn {
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
  }
  .block-04__deco-scissors {
    display: none;
  }
  .block-05__strip-viewport {
    padding: 10px 2px 14px;
  }
  .block-07__social-picker {
    flex-wrap: nowrap;
  }
  .block-07__social-link {
    flex-direction: column;
    justify-content: center;
  }
}

/* Уменьшаем тяжёлые анимации на слабых / touch-устройствах */
@media (max-width: 900px) and (prefers-reduced-motion: no-preference) {
  .block-04__sample-card,
  .block-07__promo,
  .block-07__step {
    animation-duration: 10s;
  }
}

@media (prefers-reduced-motion: reduce) {
  .block-01__nav-star {
    animation: none;
  }
  .block-04__sample-card,
  .block-07__promo,
  .block-07__step,
  .section-divider__orb,
  .section-divider__scissors,
  .section-divider__blade--top,
  .section-divider__blade--bottom,
  .section-divider__orb-glow,
  .section-divider__pulse-glow,
  .block-08__aurora,
  .block-08__stars {
    animation: none !important;
  }
}