/* ==========================================================================
   Download Page — Specific Styles
   Extends main.css; only download-page-unique rules are defined here.
   ========================================================================== */

/* ==========================================================================
   1. Download Hero
   ========================================================================== */
.dl-hero {
    background: var(--c-dark);
    color: white;
    padding: 200px 0 130px;
    position: relative;
    overflow: hidden;
    min-height: 55vh;
    display: flex;
    align-items: center;
}

.dl-hero-bg {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--f-display);
    font-size: 28vw;
    color: rgba(255,255,255,0.025);
    white-space: nowrap;
    user-select: none;
    pointer-events: none;
    line-height: 1;
    letter-spacing: -5px;
}

.dl-hero-content { position: relative; z-index: 2; }

.dl-hero-tag {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--c-accent);
    margin-bottom: 28px;
    display: block;
}

.dl-hero-title {
    font-size: 5.5vw;
    font-weight: 900;
    color: white;
    line-height: 1.05;
    letter-spacing: -2px;
    margin-bottom: 24px;
}

.dl-hero-desc {
    font-size: 15px;
    color: rgba(255,255,255,0.45);
    max-width: 560px;
    line-height: 1.85;
    margin-bottom: 40px;
}

.dl-hero-platforms {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.dl-hero-platform-badge {
    padding: 7px 16px;
    border: 1px solid rgba(255,255,255,0.12);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
    transition: all 0.3s ease;
}

.dl-hero-platform-badge:hover {
    border-color: rgba(255,255,255,0.35);
    color: rgba(255,255,255,0.8);
}

/* ==========================================================================
   2. Platform Tab Navigation
   ========================================================================== */
.platform-tabs-outer {
    position: sticky;
    top: 72px;
    z-index: 90;
    background: rgba(250,250,250,0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,0.08);
}

.platform-tabs {
    display: flex;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 0;
}

.platform-tabs::-webkit-scrollbar { display: none; }

.platform-tab {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 18px 26px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: #999;
    cursor: pointer;
    border: none;
    border-bottom: 2px solid transparent;
    background: none;
    font-family: var(--f-main);
    transition: all 0.25s ease;
    white-space: nowrap;
}

.platform-tab svg {
    width: 14px; height: 14px;
    flex-shrink: 0;
    transition: color 0.25s ease;
}

.platform-tab:hover { color: var(--c-dark); }
.platform-tab.active { color: var(--c-dark); border-bottom-color: var(--c-dark); }

/* ==========================================================================
   3. Platform Panels
   ========================================================================== */
.platform-panels {
    padding: 80px 0 140px;
    min-height: 60vh;
    background: var(--c-bg);
}

.platform-panel { display: none; }
.platform-panel.active { display: block; }

/* noscript fallback: show all panels */
.no-js .platform-panel { display: block; }

.panel-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 50px;
    padding-bottom: 36px;
    border-bottom: 2px solid var(--c-dark);
}

.panel-header-text {}

.panel-title {
    font-size: 42px;
    font-weight: 900;
    color: var(--c-dark);
    letter-spacing: -1.5px;
    margin-bottom: 8px;
    line-height: 1;
}

.panel-subtitle {
    font-size: 14px;
    color: #888;
    line-height: 1.7;
    max-width: 480px;
}

.panel-count-bg {
    font-family: var(--f-display);
    font-size: 100px;
    color: var(--c-surface);
    line-height: 1;
    letter-spacing: -4px;
    flex-shrink: 0;
    user-select: none;
}

/* ==========================================================================
   4. Client Cards Grid
   ========================================================================== */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.client-card {
    background: white;
    border: 1px solid rgba(0,0,0,0.07);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.client-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 70px rgba(0,0,0,0.08);
}

/* Animated accent top-line */
.client-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--c-dark);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease);
}
.client-card:hover::before { transform: scaleX(1); }

/* Recommended variant */
.client-card.is-recommended::before {
    background: var(--c-accent);
    transform: scaleX(1);
}

/* Deprecated variant */
.client-card.is-deprecated {
    background: #F8F8F8;
}
.client-card.is-deprecated::before {
    background: repeating-linear-gradient(90deg, #FFA500 0, #FFA500 12px, transparent 12px, transparent 24px);
    transform: scaleX(1);
    height: 4px;
}
.client-card.is-deprecated:hover {
    transform: none;
    box-shadow: none;
}

.client-card-inner {
    padding: 36px 36px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Card top row: icon + badge */
.client-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 20px;
}

.client-icon {
    width: 46px; height: 46px;
    background: var(--c-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.client-icon svg {
    width: 24px; height: 24px;
    color: var(--c-dark);
}

.is-recommended .client-icon { background: rgba(255,74,74,0.08); }
.is-recommended .client-icon svg { color: var(--c-accent); }
.is-deprecated .client-icon { background: rgba(0,0,0,0.04); }
.is-deprecated .client-icon svg { color: #aaa; }

/* Status Badges */
.client-badge {
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 4px 10px;
    flex-shrink: 0;
}
.badge-recommended { background: var(--c-accent); color: white; }
.badge-active {
    background: rgba(60,180,110,0.1);
    color: rgb(25,120,65);
}
.badge-deprecated {
    background: rgba(255,160,0,0.12);
    color: rgb(165,95,0);
}

.client-name {
    font-size: 21px;
    font-weight: 800;
    color: var(--c-dark);
    letter-spacing: -0.5px;
    margin-bottom: 4px;
}

.client-subtitle {
    font-size: 11px;
    color: #bbb;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 14px;
}

.client-desc {
    font-size: 13px;
    color: #777;
    line-height: 1.8;
    flex: 1;
    margin-bottom: 20px;
}

/* Deprecated warning block */
.deprecated-notice {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: rgba(255,160,0,0.06);
    border: 1px solid rgba(255,160,0,0.25);
    padding: 12px 14px;
    margin-bottom: 16px;
}
.deprecated-notice svg {
    width: 15px; height: 15px;
    color: #FFA500;
    flex-shrink: 0;
    margin-top: 1px;
}
.deprecated-notice p {
    font-size: 12px;
    color: #888;
    line-height: 1.65;
}

/* Feature tags */
.client-features {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 0;
}

.feature-tag {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 4px 10px;
    border: 1px solid rgba(0,0,0,0.08);
    color: #999;
    text-transform: uppercase;
}

.is-recommended .feature-tag {
    border-color: rgba(255,74,74,0.18);
    color: var(--c-accent);
}

/* ==========================================================================
   5. Card Footer — Downloads + GitHub
   ========================================================================== */
.client-card-footer {
    padding: 20px 36px 28px;
    border-top: 1px solid rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.dl-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #bbb;
    margin-bottom: 4px;
}

.dl-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.dl-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: var(--c-dark);
    color: white;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: background 0.3s ease, color 0.3s ease;
    cursor: pointer;
    border: none;
}

.dl-btn:hover { background: var(--c-accent); color: white; }

.dl-btn svg { width: 13px; height: 13px; flex-shrink: 0; }

.dl-btn-arch {
    font-family: 'Courier New', monospace;
    font-size: 10px;
    opacity: 0.55;
    margin-left: 2px;
}

.dl-btn.secondary {
    background: var(--c-surface);
    color: var(--c-dark);
}
.dl-btn.secondary:hover { background: var(--c-dark); color: white; }

.is-deprecated .dl-btn { background: #999; }
.is-deprecated .dl-btn:hover { background: #555; }

.card-footer-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.github-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    color: #aaa;
    transition: color 0.3s ease;
    text-transform: uppercase;
}
.github-btn svg { width: 15px; height: 15px; }
.github-btn:hover { color: var(--c-dark); }

.github-btn--archived {
    cursor: default;
    opacity: 0.4;
    pointer-events: none;
}

/* ==========================================================================
   6. iOS Special Section
   ========================================================================== */
.ios-note-card {
    background: var(--c-surface);
    padding: 60px 60px 50px;
    margin-bottom: 36px;
    position: relative;
    overflow: hidden;
}

.ios-note-card::after {
    content: 'iOS';
    position: absolute;
    right: -10px; top: -30px;
    font-family: var(--f-display);
    font-size: 180px;
    color: rgba(0,0,0,0.035);
    line-height: 1;
    pointer-events: none;
    user-select: none;
}

.ios-note-title {
    font-size: 26px;
    font-weight: 800;
    color: var(--c-dark);
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}

.ios-note-desc {
    font-size: 14px;
    color: #777;
    line-height: 1.85;
    max-width: 640px;
}

.ios-apps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.ios-app-card {
    background: white;
    border: 1px solid rgba(0,0,0,0.07);
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
    position: relative;
    overflow: hidden;
}

.ios-app-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--c-dark);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease);
}
.ios-app-card:hover::before { transform: scaleX(1); }
.ios-app-card:hover { transform: translateY(-4px); box-shadow: 0 16px 50px rgba(0,0,0,0.07); }

.ios-app-name {
    font-size: 19px;
    font-weight: 800;
    color: var(--c-dark);
    margin-bottom: 8px;
    letter-spacing: -0.3px;
}

.ios-app-price {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 1.5px;
    padding: 3px 8px;
    margin-bottom: 14px;
    display: inline-block;
    text-transform: uppercase;
}
.ios-app-price.paid { background: rgba(255,74,74,0.08); color: var(--c-accent); }
.ios-app-price.free { background: rgba(60,180,110,0.1); color: rgb(25,120,65); }

.ios-app-desc {
    font-size: 13px;
    color: #888;
    line-height: 1.75;
    margin-bottom: 22px;
    flex: 1;
}

.ios-appstore-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--c-dark);
    border-bottom: 1px solid rgba(0,0,0,0.2);
    padding-bottom: 4px;
    transition: all 0.3s ease;
    width: fit-content;
}
.ios-appstore-btn svg { width: 13px; height: 13px; }
.ios-appstore-btn:hover { color: var(--c-accent); border-color: var(--c-accent); }

/* ==========================================================================
   7. Core / Mihomo Downloads
   ========================================================================== */
.core-intro-desc {
    font-size: 14px;
    color: #777;
    line-height: 1.85;
    max-width: 680px;
    margin-bottom: 50px;
}

.core-dl-groups {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.core-dl-group {
    background: white;
    border: 1px solid rgba(0,0,0,0.07);
    padding: 28px 24px;
}

.core-dl-group-name {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: #aaa;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(0,0,0,0.06);
    display: flex;
    align-items: center;
    gap: 6px;
}

.core-dl-group-name svg { width: 13px; height: 13px; color: #ccc; }

.core-dl-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid rgba(0,0,0,0.04);
}
.core-dl-row:last-child { border-bottom: none; }

.core-dl-info {}
.core-dl-label {
    font-size: 12px;
    color: var(--c-dark);
    font-weight: 600;
    font-family: 'Courier New', monospace;
}
.core-dl-arch {
    font-size: 10px;
    color: #bbb;
    margin-top: 1px;
}

.core-dl-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--c-accent);
    text-transform: uppercase;
    flex-shrink: 0;
    transition: opacity 0.2s ease;
}
.core-dl-link:hover { opacity: 0.65; }
.core-dl-link svg { width: 12px; height: 12px; }

.core-github-row {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid rgba(0,0,0,0.06);
    display: flex;
    align-items: center;
    gap: 20px;
}

.core-github-row p {
    font-size: 13px;
    color: #888;
}

/* ==========================================================================
   8. Download FAQ  (page-specific overrides only — accordion from main.js)
   ========================================================================== */
.dl-faq-section {
    padding: 100px 0 140px;
    background: var(--c-bg);
}

/* ==========================================================================
   9. Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
    .dl-hero-title { font-size: 8vw; }
    .dl-hero { padding: 160px 0 100px; }
    .panel-header { flex-direction: column; align-items: flex-start; }
    .panel-count-bg { display: none; }
    .clients-grid { grid-template-columns: 1fr; }
    .ios-apps-grid { grid-template-columns: 1fr 1fr; }
    .core-dl-groups { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .platform-tab { padding: 16px 18px; font-size: 10px; }
    .client-card-inner { padding: 24px 22px 18px; }
    .client-card-footer { padding: 16px 22px 22px; }
    .ios-note-card { padding: 36px 24px 32px; }
    .ios-apps-grid { grid-template-columns: 1fr; }
    .core-dl-groups { grid-template-columns: 1fr; }
    .dl-hero-title { font-size: 10vw; }
}

@media (max-width: 600px) {
    .dl-hero { padding: 130px 0 70px; }
    .dl-hero-title { font-size: 11.5vw; }
    .dl-hero-bg { display: none; }
    .panel-title { font-size: 30px; }
    .client-name { font-size: 18px; }
    .card-footer-row { flex-direction: column; align-items: flex-start; }
}

/* ==========================================================================
   Header override — dark hero background
   When the header has no background (not yet scrolled), text must be white
   so it remains legible against the download page's dark hero section.
   ========================================================================== */
#main-header:not(.scrolled) .logo,
#main-header:not(.scrolled) .nav-links a {
    color: #fff;
}

#main-header:not(.scrolled) .lang-btn {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.35);
}

#main-header:not(.scrolled) .lang-btn:hover {
    background: #fff;
    color: var(--c-dark);
    border-color: #fff;
}

#main-header:not(.scrolled) .lang-btn:hover .lang-caret {
    stroke: var(--c-dark);
}

#main-header:not(.scrolled) .burger-line {
    background: #fff;
}