/* ==========================================================================
   Tour Detail Page — CSS (Mobile-First)
   Reuses :root variables from ../index.css
   ========================================================================== */

/* ── Breadcrumb ─────────────────────────────────────────── */
.td-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.85rem 1.25rem;
    font-size: 0.82rem;
    color: var(--color-text-light);
    max-width: 1200px;
    margin: 0 auto;
}
.td-breadcrumb a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
}
.td-breadcrumb a:hover { text-decoration: underline; }
.td-breadcrumb-sep { color: var(--color-text-light); opacity: 0.5; }

/* ── Hero Section ───────────────────────────────────────── */
.td-hero {
    position: relative;
    width: 100%;
    height: 50vh;
    min-height: 280px;
    max-height: 520px;
    overflow: hidden;
}
.td-hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: opacity 0.4s ease;
}
.td-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(7, 30, 55, 0.78) 0%,
        rgba(7, 30, 55, 0.25) 40%,
        transparent 70%
    );
    pointer-events: none;
}
.td-hero-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem 1.25rem;
    max-width: 1200px;
    margin: 0 auto;
}
.td-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: linear-gradient(135deg, #F6B73C 0%, #e69500 100%);
    color: #fff;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    margin-bottom: 0.75rem;
}
.td-hero-title {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 400;
    letter-spacing: -0.5px;
    color: #fff;
    line-height: 1.08;
    margin-bottom: 0.4rem;
    text-shadow: 0 2px 14px rgba(0,0,0,0.4);
}
.td-hero-subtitle {
    font-size: 1rem;
    color: rgba(255,255,255,0.85);
    font-weight: 400;
    max-width: 600px;
}

/* ── Thumb Gallery ──────────────────────────────────────── */
.td-thumb-gallery {
    display: flex;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    max-width: 1200px;
    margin: 0 auto;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.td-thumb-gallery::-webkit-scrollbar { display: none; }
.td-thumb {
    width: 80px;
    height: 56px;
    border-radius: 8px;
    object-fit: cover;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-fast);
    flex-shrink: 0;
    opacity: 0.7;
}
.td-thumb:hover { opacity: 1; border-color: var(--color-primary-light); }
.td-thumb.active {
    border-color: var(--color-accent);
    opacity: 1;
    box-shadow: 0 2px 8px rgba(237, 77, 150, 0.3);
}

/* ── Main Layout (2-col on desktop) ─────────────────────── */
.td-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 1.25rem 6rem; /* 6rem bottom for mobile CTA */
}

/* ── Quick Details ──────────────────────────────────────── */
.td-quick-details {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-bottom: 1.5rem;
}
.td-detail-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.95rem;
    border-radius: 999px;
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-primary-dark);
}
.td-detail-chip svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

/* ── Description ────────────────────────────────────────── */
.td-description {
    font-size: 1.05rem;
    color: var(--color-text-dark);
    line-height: 1.7;
    margin-bottom: 2rem;
}

/* ── Accordions (native <details>) ──────────────────────── */
.td-accordions {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    margin-bottom: 2rem;
}
.td-accordion {
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    transition: box-shadow var(--transition-fast);
}
.td-accordion:hover {
    box-shadow: var(--shadow-sm);
}
.td-accordion summary {
    cursor: pointer;
    padding: 1rem 1.25rem;
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 400;
    color: var(--color-primary-dark);
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    -webkit-user-select: none;
    user-select: none;
    transition: background var(--transition-fast);
}
.td-accordion summary:hover {
    background: var(--color-bg-light);
}
.td-accordion summary::-webkit-details-marker { display: none; }
.td-accordion summary::marker { display: none; content: ""; }
.td-accordion-chevron {
    margin-left: auto;
    transition: transform 0.25s ease;
    flex-shrink: 0;
    color: var(--color-text-light);
}
.td-accordion[open] .td-accordion-chevron {
    transform: rotate(180deg);
}
.td-accordion[open] > summary {
    color: var(--color-accent);
}
.td-accordion-body {
    padding: 0 1.25rem 1.25rem;
    font-size: 0.95rem;
    color: var(--color-text-dark);
    line-height: 1.6;
}
.td-accordion[open] .td-accordion-body {
    animation: tdAccordionDown 0.28s cubic-bezier(0.33, 1, 0.68, 1);
}
@keyframes tdAccordionDown {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Itinerary list */
.td-itinerary-list {
    list-style: none;
    counter-reset: itinerary;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}
.td-itinerary-list li {
    counter-increment: itinerary;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(0,0,0,0.04);
}
.td-itinerary-list li:last-child { border-bottom: none; }
.td-itinerary-list li::before {
    content: counter(itinerary);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 800;
    flex-shrink: 0;
    margin-top: 1px;
}

/* Included / Not included lists */
.td-included-list,
.td-not-included-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}
.td-included-list li,
.td-not-included-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding-left: 0.15rem;
}
.td-check-icon {
    color: var(--color-electric);
    flex-shrink: 0;
    margin-top: 2px;
}
.td-cross-icon {
    color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 2px;
}

/* Popular stops (À la Carte) */
.td-popular-stops {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    list-style: none;
}
.td-popular-stops li {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.92rem;
}
.td-popular-stops li::before {
    content: "📍";
    font-size: 0.85rem;
}

/* ── Checkout Sidebar (desktop) ─────────────────────────── */
.td-checkout-sidebar {
    display: none; /* hidden on mobile, shown on 768px+ */
}
.td-checkout-card {
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 1.75rem;
    box-shadow: var(--shadow-lg);
}
.td-checkout-tour-name {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--color-primary-dark);
    margin-bottom: 0.35rem;
}
.td-checkout-price-row {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}
.td-checkout-price {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary-dark);
}
.td-checkout-price-note {
    font-size: 0.88rem;
    color: var(--color-text-light);
}
.td-checkout-divider {
    height: 1px;
    background: var(--color-border);
    margin: 1.25rem 0;
}
.td-checkout-guarantees {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    margin-bottom: 1.5rem;
}
.td-checkout-guarantees li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.88rem;
    color: var(--color-text-dark);
    font-weight: 500;
}
.td-checkout-guarantees li svg { color: var(--color-electric); flex-shrink: 0; }
.td-checkout-btn {
    width: 100%;
    margin-bottom: 0.75rem;
}
.td-checkout-cancel-note {
    text-align: center;
    font-size: 0.78rem;
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
}

/* ── Mobile Sticky CTA ─────────────────────────────────── */
.td-mobile-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 4000;
    padding: 0.75rem 1.25rem;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.td-mobile-cta-price {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}
.td-mobile-cta-price .price-amount {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-primary-dark);
}
.td-mobile-cta-price .price-note {
    font-size: 0.75rem;
    color: var(--color-text-light);
}
.td-mobile-cta .btn {
    flex-shrink: 0;
    white-space: nowrap;
}

/* ── Related Activities ─────────────────────────────────── */
.td-related-section {
    background: var(--color-bg-light);
    padding: 3rem 1.25rem;
}
.td-related-inner {
    max-width: 1200px;
    margin: 0 auto;
}
.td-related-title {
    font-family: var(--font-display);
    font-size: 1.85rem;
    font-weight: 400;
    color: var(--color-primary-dark);
    margin-bottom: 1.5rem;
}
.td-related-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}
.td-related-card {
    background: var(--color-bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    text-decoration: none;
    display: block;
}
.td-related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.td-related-card-img {
    width: 100%;
    height: 160px;
    object-fit: cover;
}
.td-related-card-body {
    padding: 1rem 1.25rem 1.25rem;
}
.td-related-card-meta {
    display: flex;
    gap: 0.75rem;
    font-size: 0.78rem;
    color: var(--color-text-light);
    font-weight: 600;
    margin-bottom: 0.35rem;
}
.td-related-card-name {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-primary-dark);
    margin-bottom: 0.35rem;
}
.td-related-card-price {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-accent);
}

/* ── Desktop Responsive ─────────────────────────────────── */
@media (min-width: 768px) {
    .td-hero { height: 55vh; max-height: 560px; }
    .td-hero-title { font-size: 3.4rem; }
    .td-hero-content { padding: 2.5rem; }
    .td-thumb { width: 110px; height: 75px; border-radius: 10px; }

    .td-layout {
        grid-template-columns: 1fr 380px;
        padding-bottom: 3rem;
    }
    .td-checkout-sidebar {
        display: block;
        position: sticky;
        top: 80px;
        align-self: start;
    }
    .td-mobile-cta { display: none; }
    .td-related-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
    .td-hero-title { font-size: 4rem; }
    .td-thumb-gallery { padding: 0.75rem 0; max-width: 1200px; }
}