:root {
    --primary: #e50914;
    --primary-h: #ff2d38;
    --primary-glow: rgba(229, 9, 20, 0.25);
    --dark: #050507;
    --dark-2: #0c0c10;
    --card-bg: #121216;
    --surface: #1a1a1f;
    --text-main: #f8f8fa;
    --text-gray: #a8a8b3;
    --text-mute: #6e6e7a;
    --border: rgba(255, 255, 255, 0.07);
    --border-h: rgba(255, 255, 255, 0.14);
    --nav-blur: rgba(5, 5, 7, 0.82);
    --radius: 18px;
    --radius-sm: 12px;
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    background: var(--dark);
    color: var(--text-main);
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.65;
    overflow-x: hidden;
}

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

.navbar {
    padding: 16px 0;
    position: sticky; top: 0;
    background: var(--nav-blur);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}
.navbar .container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.6px; }
.logo span { color: var(--primary); }
.nav-menu { display: flex; align-items: center; gap: 28px; }
.nav-menu a { color: var(--text-main); text-decoration: none; font-weight: 600; font-size: 0.88rem; transition: var(--transition); }
.nav-menu a:hover { color: var(--primary); }
.btn-nav {
    background: var(--primary);
    padding: 9px 18px;
    border-radius: 10px;
    font-weight: 700;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}
.btn-nav:hover { background: var(--primary-h); transform: translateY(-1px); }

.hero {
    padding: 140px 0 90px;
    background: radial-gradient(ellipse at 75% 15%, rgba(229, 9, 20, 0.09) 0%, transparent 55%);
}
.hero .container { display: flex; gap: 70px; align-items: center; }
.hero-content { flex: 1; }
.hero-content h1 {
    font-size: clamp(2.9rem, 5.2vw, 4.4rem);
    line-height: 1.04;
    margin-bottom: 18px;
    font-weight: 800;
    letter-spacing: -1.6px;
}
.hero-content h1 span { color: var(--primary); }
.hero-content p {
    font-size: 1.18rem;
    color: var(--text-gray);
    margin-bottom: 32px;
    max-width: 500px;
}
.hero-btns { display: flex; gap: 14px; margin-bottom: 36px; flex-wrap: wrap; }
.btn-main {
    background: linear-gradient(135deg, var(--primary) 0%, #c20812 100%);
    color: white;
    padding: 15px 32px;
    font-size: 1.02rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    box-shadow: 0 10px 32px var(--primary-glow);
    display: inline-flex; align-items: center; gap: 10px;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}
.btn-main:hover { transform: translateY(-2px); box-shadow: 0 14px 40px var(--primary-glow); }
.btn-ghost {
    background: transparent;
    color: var(--text-main);
    padding: 15px 28px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-h);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.hero-stats {
    display: flex; gap: 24px; color: var(--text-mute);
    font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px;
}
.hero-stats i { color: var(--primary); margin-right: 6px; }
.hero-image { flex: 1.15; position: relative; }
.hero-image img {
    width: 100%; border-radius: 22px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.hero-image img:hover { transform: translateY(-6px); }

.section-title { text-align: center; font-size: 2.5rem; margin-bottom: 12px; font-weight: 800; letter-spacing: -0.6px; }
.section-subtitle { text-align: center; color: var(--text-gray); margin-bottom: 52px; font-size: 1.08rem; max-width: 580px; margin-left: auto; margin-right: auto; }

.steps, .gallery, .faq, .preview, .trust, .social { padding: 110px 0; }
.steps { background: var(--dark-2); }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step-card {
    background: var(--card-bg); padding: 38px 28px; border-radius: 20px; text-align: center;
    border: 1px solid var(--border); transition: var(--transition);
}
.step-card:hover { border-color: var(--primary); transform: translateY(-5px); box-shadow: 0 16px 40px rgba(0,0,0,0.4); }
.step-num {
    width: 58px; height: 58px; background: var(--primary); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; margin: 0 auto 22px;
    font-weight: 800; font-size: 1.35rem; box-shadow: 0 8px 22px var(--primary-glow);
}

.preview { background: var(--dark); }
.preview-frame {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 20px;
    box-shadow: var(--shadow);
    max-width: 960px;
    margin: 0 auto;
    position: relative;
}
.preview-frame img { width: 100%; border-radius: 16px; display: block; }
.preview-badge {
    position: absolute; top: 32px; right: 32px;
    background: rgba(0,0,0,0.7); backdrop-filter: blur(8px);
    padding: 8px 14px; border-radius: 20px; font-size: 0.78rem; font-weight: 700;
    color: white; border: 1px solid var(--border);
}

.social { background: var(--dark-2); }
.social-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.social-card {
    background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 28px; text-align: left;
}
.social-card p { color: var(--text-gray); font-size: 0.95rem; margin-bottom: 16px; }
.social-card strong { display: block; font-size: 0.9rem; }
.social-card span { font-size: 0.78rem; color: var(--text-mute); }

.trust { background: var(--dark); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.trust-item {
    background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 30px 20px; text-align: center; transition: var(--transition);
}
.trust-item:hover { border-color: var(--border-h); }
.trust-item i { font-size: 1.7rem; color: var(--primary); margin-bottom: 14px; display: block; }
.trust-item h3 { font-size: 1.02rem; font-weight: 700; margin-bottom: 6px; }
.trust-item p { font-size: 0.84rem; color: var(--text-gray); }

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 18px;
}
.gallery-item {
    position: relative; border-radius: 18px; overflow: hidden;
    background: var(--card-bg); border: 1px solid var(--border);
    transition: var(--transition);
}
.gallery-item.large { grid-column: span 8; grid-row: span 2; min-height: 400px; }
.gallery-item:not(.large) { grid-column: span 4; min-height: 190px; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.gallery-item:hover { border-color: var(--primary); transform: translateY(-5px); }
.gallery-item:hover img { transform: scale(1.04); }
.gallery-overlay {
    position: absolute; bottom: 0; left: 0; width: 100%;
    padding: 22px; background: linear-gradient(to top, rgba(0,0,0,0.92), transparent);
    opacity: 0; transition: var(--transition);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay span { font-weight: 700; font-size: 0.95rem; }

.faq { background: var(--dark-2); }
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item { background: var(--card-bg); margin-bottom: 10px; border-radius: 14px; border: 1px solid var(--border); overflow: hidden; }
.faq-question { padding: 20px 24px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-weight: 700; font-size: 1.04rem; }
.faq-answer { padding: 0 24px; max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; color: var(--text-gray); }
.faq-item.active .faq-answer { padding: 0 24px 20px; max-height: 220px; }
.faq-item.active .faq-question { color: var(--primary); }

footer {
    padding: 50px 0; text-align: center; border-top: 1px solid var(--border);
    color: var(--text-mute); font-size: 0.9rem;
}
footer a { color: var(--text-gray); text-decoration: none; margin: 0 12px; }
footer a:hover { color: var(--primary); }

.download-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.78); backdrop-filter: blur(14px);
    z-index: 9999; display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transition: all 0.4s ease;
}
.download-overlay.active { opacity: 1; visibility: visible; }
.overlay-content {
    background: rgba(18,18,22,0.96); padding: 40px 36px; border-radius: 24px;
    text-align: center; width: 380px; border: 1px solid var(--border);
    box-shadow: var(--shadow); position: relative;
}
.download-spinner {
    position: absolute; top: 30px; left: 50%; transform: translateX(-50%);
    width: 78px; height: 78px; border: 2px solid rgba(229,9,20,0.15);
    border-top: 2px solid var(--primary); border-radius: 50%;
    animation: spin 1s linear infinite;
}
.icon-box { width: 70px; height: 70px; margin: 0 auto 16px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: var(--primary); }
@keyframes spin { to { transform: translateX(-50%) rotate(360deg); } }

.download-toast {
    position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(120px);
    background: var(--surface); color: white; padding: 12px 22px; border-radius: 40px;
    border: 1px solid var(--border); display: flex; align-items: center; gap: 10px;
    font-weight: 600; font-size: 0.88rem; z-index: 10000;
    box-shadow: var(--shadow); transition: all 0.45s cubic-bezier(0.175, 0.885, 0.32, 1.275); opacity: 0;
}
.download-toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }
.download-toast i { color: #22c55e; }

@media (max-width: 1024px) {
    .hero .container { flex-direction: column; text-align: center; }
    .hero-content h1 { font-size: 2.7rem; }
    .hero-btns, .hero-stats { justify-content: center; }
    .hero-content p { margin: 0 auto 28px; }
    .steps-grid, .trust-grid, .social-grid { grid-template-columns: repeat(2, 1fr); }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .gallery-item.large, .gallery-item:not(.large) { grid-column: span 1; min-height: 230px; }
}
@media (max-width: 768px) {
    .nav-menu { display: none; }
    .steps-grid, .trust-grid, .social-grid { grid-template-columns: 1fr; }
    .hero { padding: 100px 0 70px; }
}