/* ═══════════════════════════════════════════════
   FLOW FREEDIVING — Responsive Styles
   Tablet (≤1024px) · Mobile (≤768px) · Small (≤480px)
   ═══════════════════════════════════════════════ */

/* ── Tablet: ≤1024px ── */
@media (max-width: 1024px) {
  .why-flow__grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-6);
  }

  .why-flow__grid .value-card {
    flex: 0 1 calc((100% - var(--space-6)) / 2);
    min-width: 240px;
    max-width: 380px;
  }

  .programs__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }

  .gallery__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .instructor-card {
    gap: var(--space-8);
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

/* ── Mobile: ≤768px ── */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
    --section-py: clamp(60px, 8vw, 100px);
  }

  /* Header */
  .header__nav {
    display: none;
  }

  .header__cta.header__cta--desktop {
    display: none;
  }

  .header__toggle {
    display: flex;
  }

  /* Hero */
  .hero {
    min-height: 100svh;
  }

  .hero__title {
    font-size: clamp(1.75rem, 6vw, 2.5rem);
  }

  .hero__subtitle {
    font-size: var(--fs-body-sm);
  }

  .hero__buttons {
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
  }

  .hero__buttons .btn {
    width: 100%;
    max-width: 280px;
  }

  /* WHY FLOW */
  .why-flow__grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
  }

  .why-flow__grid .value-card {
    flex: 1 1 100%;
    width: 100%;
    max-width: 100%;
  }

  .value-card {
    padding: var(--space-6);
  }

  /* Programs — Compressed Mobile Card Layout */
  .programs__grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .program-card {
    padding: 14px 16px 10px 16px;
    border-radius: var(--radius-lg);
    overflow: hidden;
  }

  .program-card__main {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 14px;
  }

  .program-card__image-wrap {
    width: 110px;
    height: 110px;
    flex-shrink: 0;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
  }

  .program-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
  }

  .program-card__body {
    padding: 0;
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
  }

  .program-card__tags {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    margin-bottom: 6px;
  }

  .program-card__tag {
    padding: 3px 8px;
    font-size: 11px;
    font-weight: 500;
    border-radius: 12px;
    letter-spacing: normal;
  }

  .program-card__title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
    line-height: 1.3;
  }

  .program-card__subtitle {
    display: none;
  }

  .program-card__desc {
    font-size: 12px;
    line-height: 1.4;
    margin-bottom: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: keep-all;
  }

  .program-card__meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
    padding: 8px 0 0 0;
    border-top: 1px solid var(--light-border);
  }

  .program-card__price {
    font-size: 15px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--light-accent);
  }

  .program-card__detail {
    font-size: 12.5px;
    font-weight: 600;
    line-height: 1.2;
    color: var(--light-text-secondary);
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
  }

  .program-card__detail svg {
    display: none !important;
  }

  /* Modal */
  .modal {
    padding: 20px 16px;
    max-height: 85vh;
  }

  .modal__cta {
    flex-wrap: wrap;
    gap: 8px;
  }

  .modal__cta .btn {
    flex: 1 1 100%;
    padding: 11px 14px;
    font-size: 13.5px;
  }

  /* Instructor */
  .instructor-card {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .instructor-card__photo-wrap {
    max-width: 300px;
    margin: 0 auto;
  }

  /* Gallery */
  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }

  /* Review slider — 1 card visible */
  .review-card {
    width: 100%;
    min-width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  /* CTA */
  .cta-section__buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-section__buttons .btn {
    width: 100%;
    max-width: 300px;
  }

  /* Footer */
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer__legal {
    justify-content: center;
  }

  /* Course Finder Restart Button Mobile */
  .finder-restart {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    white-space: nowrap !important;
    word-break: keep-all !important;
    width: auto !important;
    max-width: 100% !important;
    padding: 6px 14px !important;
    font-size: 13px !important;
    margin-left: auto !important;
    margin-right: auto !important;
  }

  .finder-restart svg {
    flex-shrink: 0 !important;
  }

  /* Modal */
  .modal {
    padding: var(--space-6);
    border-radius: var(--radius-lg);
  }

  .modal__meta-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .modal__cta {
    flex-direction: column;
  }

  .modal__cta .btn {
    width: 100%;
  }

  /* Lightbox nav */
  .lightbox__prev {
    left: var(--space-3);
  }

  .lightbox__next {
    right: var(--space-3);
  }

  /* Floating */
  .floating-cta {
    bottom: calc(var(--space-5) + env(safe-area-inset-bottom, 0px));
    right: var(--space-4);
  }

  .floating-btn {
    width: 46px;
    height: 46px;
  }

  .floating-btn--top {
    display: flex !important;
    position: absolute;
    bottom: calc(100% + 12px);
    right: 1px;
    width: 44px;
    height: 44px;
    background: rgba(10, 25, 47, 0.82);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.9);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(8px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease, background-color 0.2s ease, border-color 0.2s ease;
    z-index: 1;
  }

  .floating-btn--top.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .floating-btn--top:hover,
  .floating-btn--top:active {
    background: rgba(10, 25, 47, 0.95);
    border-color: rgba(255, 255, 255, 0.4);
    color: #ffffff;
  }

  .floating-btn__tooltip {
    display: none;
  }

  /* Course Finder */
  .finder-step__question {
    font-size: var(--fs-h4);
  }

  .finder-result__body {
    padding: var(--space-5) var(--space-5) var(--space-6);
  }

  .finder-result__buttons {
    flex-direction: column;
  }

  .finder-result__buttons .btn {
    width: 100%;
  }

  /* Section titles */
  .section-subtitle {
    margin-bottom: var(--space-10);
  }
}

/* ── Small Mobile: ≤480px ── */
@media (max-width: 480px) {
  :root {
    --section-py: clamp(48px, 8vw, 80px);
  }

  .hero__title {
    font-size: clamp(1.5rem, 7vw, 2rem);
  }

  .program-card__image-wrap {
    width: 100px;
    height: 100px;
  }

  .gallery__grid {
    gap: var(--space-2);
  }

  .gallery-section .gallery-tabs,
  .gallery-tabs {
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 4px var(--space-4) 12px;
    margin-left: calc(-1 * var(--space-4));
    margin-right: calc(-1 * var(--space-4));
    scrollbar-width: none;
  }

  .gallery-section .gallery-tabs::-webkit-scrollbar,
  .gallery-tabs::-webkit-scrollbar {
    display: none;
  }

  .gallery-section .gallery-tab,
  .gallery-tab {
    flex-shrink: 0;
    white-space: nowrap;
    padding: 7px 18px;
    font-size: 13px;
  }

  .lightbox__counter {
    top: var(--space-4);
    left: var(--space-4);
    font-size: 13px;
    padding: 4px 11px;
  }

  .gallery-pagination {
    gap: 4px;
  }

  .gallery-pagination--top {
    margin-top: -4px;
    margin-bottom: 20px;
  }

  .gallery-pagination--bottom {
    margin-top: 24px;
  }

  .pagination__num,
  .pagination__btn {
    min-width: 34px;
    height: 34px;
    padding: 0 8px;
    font-size: 13px;
  }

  .pagination__dots {
    min-width: 18px;
    height: 34px;
    font-size: 13px;
  }

  .review-card {
    padding: var(--space-6) var(--space-5);
  }

  .reviews-nav__btn {
    width: 36px;
    height: 36px;
  }

  .cta-section__title {
    font-size: var(--fs-h3);
  }

  .footer__sns-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-4);
  }

  .mobile-drawer {
    width: 100vw;
    padding-top: calc(var(--header-height) + var(--space-8));
  }

  .accordion-trigger {
    font-size: var(--fs-body-sm);
    padding: var(--space-5) 0;
  }

  .faq-more-wrap {
    margin-top: 28px;
    gap: 8px;
  }

  .faq-btn {
    padding: 9px 20px;
    font-size: 13px;
  }
}

/* ── Hover media query (no-touch devices) ── */
@media (hover: hover) {
  .program-card:hover .program-card__image {
    transform: scale(1.05);
  }

  .gallery-item:hover img {
    transform: scale(1.08);
  }

  .gallery-item:hover .gallery-item__overlay {
    opacity: 1;
  }
}

/* Touch devices: show overlay by default */
@media (hover: none) {
  .gallery-item__overlay {
    opacity: 0;
  }
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .fade-up {
    opacity: 1;
    transform: none;
  }

  .hero__scroll-line::after {
    animation: none;
  }
}