/* theme variables */
:root {
    --primary-color: #ff6700;
    --primary-hover: #ff8533;
    --dark-color: #1a1a1a;
    --light-gray: #f4f4f9;
    --mid-gray: #e0e0e0;
    --text-color: #333;
    --card-shadow: 0 8px 25px rgba(0,0,0,0.08);
    --card-hover-shadow: 0 15px 35px rgba(0,0,0,0.15);
    --border-radius: 16px;
    --max-width: 1200px;
    --easing: cubic-bezier(.2,.9,.2,1);
    --gradient-primary: linear-gradient(135deg, #ff6700 0%, #ff8533 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    --telegram-color: #0088cc;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html,body { height: 100%; }
body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    background: var(--light-gray);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.55;
    scroll-behavior: smooth;
    opacity: 0;
    animation: fadeIn 0.8s var(--easing) forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }
img { max-width: 100%; display: block; }
a { color: var(--primary-color); text-decoration: none; transition: color 0.2s var(--easing); }

/* header / nav */
header { 
    position: sticky; 
    top: 0; 
    z-index: 100; 
    background: rgba(255,255,255,0.88); 
    backdrop-filter: blur(6px); 
    border-bottom: 1px solid rgba(0,0,0,0.04);
    animation: slideDown 0.5s var(--easing);
}

@keyframes slideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

nav { display:flex; align-items:center; justify-content:space-between; padding:18px 0; }
.logo { display:flex; align-items:center; gap:12px; font-weight:700; color:var(--primary-color); font-size:1.15rem; }
.logo i { animation: pulse 2s infinite; }

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.nav-links { display:flex; gap:20px; list-style:none; align-items:center; }
.nav-links a { 
    font-weight:600; 
    padding:8px 10px; 
    border-radius:8px; 
    color:var(--text-color); 
    position: relative;
    overflow: hidden;
}
.nav-links a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s var(--easing);
}
.nav-links a:hover::before {
    width: 100%;
}
.nav-links a:hover { color:var(--primary-hover); }

/* hide nav-toggle permanently (navbar visible always) */
.nav-toggle { display: none; }

/* hero */
.hero { 
    display:flex; 
    align-items:center; 
    gap:24px; 
    padding:72px 0;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: rgba(255,103,0,0.05);
    z-index: -1;
}
.hero-content { flex:1; }
h1 { 
    font-size:3.2rem; 
    line-height:1.05; 
    margin-bottom:12px; 
    color:var(--dark-color);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: slideInLeft 0.8s var(--easing);
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

.tagline { 
    font-size:1.1rem; 
    color:#5d656b; 
    margin-bottom:14px;
    animation: slideInLeft 0.8s 0.2s var(--easing) both;
}
.btn { 
    background: var(--gradient-primary);
    color:#fff; 
    padding:12px 28px; 
    border-radius:999px; 
    font-weight:700; 
    display:inline-block; 
    box-shadow:0 8px 30px rgba(255,103,0,0.12); 
    transition:transform .18s var(--easing), box-shadow .18s var(--easing);
    position: relative;
    overflow: hidden;
    animation: slideInLeft 0.8s 0.4s var(--easing) both;
}
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s var(--easing);
}
.btn:hover::before {
    left: 100%;
}
.btn:hover, .btn:focus { transform:translateY(-3px); box-shadow:0 16px 36px rgba(255,103,0,0.16); outline:none; }
.hero-image { 
    flex:1; 
    display:flex; 
    justify-content:center; 
    align-items:center; 
    will-change:transform; 
    transition:transform .22s var(--easing);
    animation: slideInRight 0.8s var(--easing);
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

.hero-image img { 
    border-radius:var(--border-radius); 
    box-shadow:0 18px 40px rgba(0,0,0,0.12);
    transition: transform 0.5s var(--easing);
}
.hero-image:hover img {
    transform: scale(1.03) rotate(2deg);
}

/* sections & cards */
.section-title { 
    text-align:center; 
    font-size:2.4rem; 
    margin:56px 0 32px; 
    color:var(--dark-color);
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s var(--easing);
}

.section-title.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-title::after { 
    content:''; 
    display:block; 
    width:76px; 
    height:4px; 
    background:var(--primary-color); 
    margin:12px auto; 
    border-radius:3px;
}

/* specs grid */
.specs { margin: 40px 0; }
.spec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}
.spec-item {
    background: #fff;
    border-radius: var(--border-radius);
    padding: 20px;
    text-align: center;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s var(--easing), box-shadow 0.3s var(--easing);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s var(--easing);
}
.spec-item.visible {
    opacity: 1;
    transform: translateY(0);
}
.spec-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-hover-shadow);
}
.spec-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}
.spec-item h3 {
    margin-bottom: 8px;
    color: var(--dark-color);
}

/* benefits section */
.benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 30px;
}
.benefit-card {
    background: #fff;
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s var(--easing), box-shadow 0.3s var(--easing);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s var(--easing);
}
.benefit-card.visible {
    opacity: 1;
    transform: translateY(0);
}
.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-hover-shadow);
}
.benefit-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}
.benefit-card h3 {
    margin-bottom: 12px;
    color: var(--dark-color);
}

/* filters & search */
.search-container { margin-bottom:18px; opacity: 0; transform: translateY(20px); transition: all 0.6s var(--easing); }
.search-container.visible {
    opacity: 1;
    transform: translateY(0);
}
.search-bar { 
    max-width:680px; 
    margin:0 auto; 
    display:flex; 
    align-items:center; 
    background:#fff; 
    border-radius:999px; 
    padding:10px 14px; 
    border:2px solid rgba(0,0,0,0.06);
    transition: all 0.3s var(--easing);
}
.search-bar:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255,103,0,0.1);
}
.search-bar i { margin-right:10px; color:var(--primary-color); }
.search-bar input { flex:1; border:0; background:transparent; font-size:15px; padding:8px 6px; outline:none; color:var(--text-color); }
.clear-search { background:none; border:0; cursor:pointer; display:none; color:#666; padding:6px; transition: color 0.2s var(--easing); }
.clear-search:hover { color: var(--primary-color); }
.clear-search.show { display:inline-block; }

.filter-controls { 
    display:flex; 
    gap:12px; 
    justify-content:center; 
    margin-bottom:10px; 
    flex-wrap:wrap;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s var(--easing);
}
.filter-controls.visible {
    opacity: 1;
    transform: translateY(0);
}
.filter-btn { 
    background:#fff; 
    border:1px solid var(--mid-gray); 
    padding:8px 16px; 
    border-radius:999px; 
    cursor:pointer; 
    font-weight:600; 
    transition: all 0.2s var(--easing);
    position: relative;
    overflow: hidden;
}
.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s var(--easing);
    z-index: -1;
}
.filter-btn:hover, .filter-btn:focus { transform:translateY(-2px); outline:none; }
.filter-btn.active { 
    background:var(--primary-color); 
    color:#fff; 
    border-color:var(--primary-color); 
    box-shadow:0 8px 24px rgba(255,103,0,0.12);
}
.filter-btn.active::before {
    opacity: 1;
}

/* grid containers */
.roms-container, .kernels-container, .recoveries-container { 
    display:grid; 
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); 
    gap:22px; 
    align-items:start;
}

.loading { 
    grid-column: 1 / -1; 
    text-align:center; 
    color:#6b7280; 
    padding:18px;
    animation: pulse 2s infinite;
}

/* rom card */
.rom-card {
    background:#fff; 
    border-radius:var(--border-radius); 
    box-shadow:var(--card-shadow); 
    overflow:hidden;
    transform:translateY(20px); 
    opacity:0; 
    transition: all 0.4s var(--easing);
    display:none;
    position: relative;
}
.rom-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--easing);
}
.rom-card:hover::before {
    transform: scaleX(1);
}
.rom-card.visible { transform:none; opacity:1; display:flex; flex-direction:column; }
.rom-image { position:relative; height:200px; overflow:hidden; }
.rom-image img { width:100%; height:100%; object-fit:cover; transition:transform 0.5s var(--easing); }
.rom-card:hover .rom-image img { transform:scale(1.05); }
.rom-tags { position:absolute; top:14px; left:14px; display:flex; gap:8px; z-index:2; }
.rom-tag { padding:6px 12px; border-radius:999px; font-weight:700; color:#fff; font-size:.8rem; backdrop-filter:blur(4px); }
.status-official { background:rgba(34,197,94,0.94); }
.status-unofficial { background:rgba(244,63,94,0.94); }
.build-type-gapps { background:rgba(37,99,235,0.94); }
.build-type-vanilla { background:rgba(120,120,120,0.84); }
.rom-content { padding:20px; display:flex; flex-direction:column; gap:10px; flex:1; }
.rom-name { font-size:1.25rem; font-weight:700; color:var(--dark-color); }
.rom-details { color:#666; font-size:0.95rem; display:flex; gap:12px; flex-wrap:wrap; align-items:center; }

/* rom-buttons made responsive to fit extra buttons (Post, Support) */
.rom-buttons { display:grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap:10px; margin-top:auto; }
.rom-btn { 
    padding:10px; 
    border-radius:10px; 
    text-align:center; 
    font-weight:600; 
    background:var(--light-gray); 
    color:var(--text-color); 
    display:inline-block;
    transition: all 0.2s var(--easing);
}
.rom-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}
.rom-btn.download { 
    background:var(--primary-color); 
    color:#fff;
    position: relative;
    overflow: hidden;
}
.rom-btn.download::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.1);
    transform: translateX(-100%);
    transition: transform 0.3s var(--easing);
}
.rom-btn.download:hover::before {
    transform: translateX(100%);
}

/* kernel/recovery cards (kr-card) */
.kr-card {
    background:#fff; 
    border-radius:var(--border-radius); 
    box-shadow:var(--card-shadow); 
    overflow:hidden;
    transform:translateY(20px); 
    opacity:0; 
    transition: all 0.4s var(--easing);
    display:none;
    position: relative;
}
.kr-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--easing);
}
.kr-card:hover::before {
    transform: scaleX(1);
}
.kr-card.visible { transform:none; opacity:1; display:flex; flex-direction:column; }
.kr-image { height:180px; overflow:hidden; position: relative; }
.kr-image img { width:100%; height:100%; object-fit:cover; transition:transform 0.45s var(--easing); }
.kr-card:hover .kr-image img { transform:scale(1.03); }
.kr-content { padding:18px; display:flex; flex-direction:column; gap:8px; flex:1; }
.kr-name { font-size:1.12rem; font-weight:700; }

/* Enhanced donate section */
.donate-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: var(--border-radius);
    padding: 40px;
    margin: 40px 0;
    text-align: center;
    box-shadow: var(--card-shadow);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s var(--easing);
}

.donate-section.visible {
    opacity: 1;
    transform: translateY(0);
}

.donate-title {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.donate-subtitle {
    color: #6c757d;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.donate-methods {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.donate-method {
    background: white;
    border-radius: 12px;
    padding: 25px;
    width: 220px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: all 0.3s var(--easing);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.donate-method:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.donate-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    font-size: 1.5rem;
    color: white;
}

.donate-icon.upi {
    background: linear-gradient(135deg, #6A11CB 0%, #2575FC 100%);
}

.donate-icon.coffee {
    background: linear-gradient(135deg, #F7971E 0%, #FFD200 100%);
}

.donate-icon.paypal {
    background: linear-gradient(135deg, #0070BA 0%, #1546A0 100%);
}

.donate-method h3 {
    margin-bottom: 10px;
    color: var(--dark-color);
}

.donate-method p {
    color: #6c757d;
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.donate-btn {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s var(--easing);
    margin-top: auto;
}

.donate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255,103,0,0.3);
}

/* community section */
.community-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}
.community-card {
    background: #fff;
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s var(--easing), box-shadow 0.3s var(--easing);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s var(--easing);
}
.community-card.visible {
    opacity: 1;
    transform: translateY(0);
}
.community-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-hover-shadow);
}
.community-card i {
    font-size: 2.5rem;
    color: var(--telegram-color);
    margin-bottom: 15px;
}
.community-card h3 {
    margin-bottom: 15px;
    color: var(--dark-color);
}
.community-card a {
    display: inline-block;
    padding: 8px 16px;
    background: var(--light-gray);
    border-radius: 999px;
    font-weight: 600;
    transition: all 0.3s var(--easing);
}
.community-card a:hover {
    background: var(--telegram-color);
    color: #fff;
    transform: translateY(-2px);
}

/* misc */
.highlight { background:#fff59d; padding:1px 4px; border-radius:3px; color:#000; }
.no-results { text-align:center; padding:24px; color:#666; font-style:italic; }

/* modal / donate styles (kept compatible) */
.modal { display:none; position:fixed; left:0; top:0; width:100%; height:100%; background:rgba(0,0,0,0.45); backdrop-filter:blur(5px); z-index:1000; align-items:center; justify-content:center; }
.modal.show { display:flex; }
.modal-content { background:#fff; border-radius:14px; padding:20px; max-width:420px; width:92%; box-shadow:0 20px 40px rgba(0,0,0,0.15); transform:scale(.96); opacity:0; transition:all .18s linear; }
.modal.show .modal-content { transform:none; opacity:1; }
.modal-close { position:absolute; right:12px; top:12px; border:0; background:none; font-size:1.1rem; cursor:pointer; transition: transform 0.3s var(--easing); }
.modal-close:hover { transform: rotate(90deg); }

/* focus outlines */
a:focus, button:focus, input:focus { outline:3px solid rgba(255,103,0,0.12); outline-offset:3px; }

/* hide selectors (support both kr-card and legacy names) */
.rom-card.hidden,
.kr-card.hidden,
.kernel-card.hidden,
.recovery-card.hidden,
.rom-card.search-hidden,
.kr-card.search-hidden,
.kernel-card.search-hidden,
.recovery-card.search-hidden,
.hidden,
.search-hidden {
    display:none !important;
}

/* footer */
footer { 
    background: var(--gradient-dark);
    color:#ccc; 
    padding:48px 0 24px; 
    margin-top:48px;
    position: relative;
    overflow: hidden;
}
footer::before {
    content: '';
    position: absolute;
    bottom: -50px;
    left: -50px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255,103,0,0.05);
}
.footer-content { display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:28px; position: relative; z-index: 1; }
.footer-bottom {
    text-align: center;
    margin-top: 40px;
    position: relative;
    z-index: 1;
}
.credits a {
    color: #fff;
    font-weight: 600;
    position: relative;
}
.credits a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s var(--easing);
}
.credits a:hover::after {
    width: 100%;
}

/* animations/responsive tweaks */
@keyframes float { 0%,100% { transform:translateY(0); } 50% { transform:translateY(-12px); } }
.hero-image { animation: float 6s ease-in-out infinite; }

@media (max-width: 900px) {
    .hero { flex-direction:column; text-align:center; padding:40px 0; }
    h1 { font-size:2.1rem; }
    .roms-container, .kernels-container, .recoveries-container { grid-template-columns:1fr; }
    .spec-grid, .benefits, .donate-methods, .community-grid {
        grid-template-columns: 1fr;
    }
    .donate-methods {
        flex-direction: column;
        align-items: center;
    }
    .donate-method {
        width: 100%;
        max-width: 300px;
    }

    /* On mobile keep nav links visible in a usable row/stack */
    nav { padding: 12px 0; }
    .nav-links {
        display:flex;
        flex-wrap:wrap;
        gap:10px;
    }
    .nav-links a { padding:6px 8px; font-size:0.95rem; }
}