/* ===== PREMIUM DARK THEME ===== */
:root {
    --bg-dark: #030303;
    --bg-elevated: #0a0a0a;
    --bg-card: #111111;
    --border: #222222;
    --accent: #00ff88;
    --accent-glow: rgba(0, 255, 136, 0.15);
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    scroll-behavior: smooth;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== TYPOGRAPHY ===== */
h1 { font-size: clamp(2.2rem, 6vw, 3.8rem); font-weight: 800; line-height: 1.2; letter-spacing: -0.02em; margin-bottom: 1rem; }
h2 { font-size: clamp(1.6rem, 4vw, 2.3rem); font-weight: 700; margin-bottom: 1rem; letter-spacing: -0.01em; }
h3 { font-size: 1.4rem; font-weight: 600; margin-bottom: 0.75rem; }
.section-header { text-align: center; margin-bottom: 3rem; }
.section-header p { color: var(--text-secondary); max-width: 600px; margin: 0.5rem auto 0; }

/* ===== NAVBAR ===== */
.navbar {
    position: sticky;
    top: 0;
    background: rgba(3, 3, 3, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 1rem 0;
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}
.logo {
    font-size: 1.6rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff, var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-decoration: none;
}
.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
    flex-wrap: wrap;
}
.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.lang-switch {
    display: flex;
    gap: 8px;
    background: var(--bg-card);
    padding: 5px 10px;
    border-radius: 40px;
    border: 1px solid var(--border);
}
.lang-switch a {
    padding: 5px 12px;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    color: var(--text-secondary);
}
.lang-switch a.active {
    background: var(--accent);
    color: #000;
}
.mobile-menu-btn {
    display: none;
    font-size: 1.8rem;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
}

/* ===== BUTTONS ===== */
.btn-primary {
    display: inline-block;
    background: var(--accent);
    color: #000;
    padding: 12px 28px;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}
.btn-primary:hover { transform: scale(1.02); box-shadow: 0 10px 20px -5px var(--accent-glow); }
.btn-outline {
    display: inline-block;
    border: 1px solid var(--border);
    background: transparent;
    padding: 12px 28px;
    border-radius: 40px;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}
.btn-outline:hover { border-color: var(--accent); background: var(--accent-glow); }
.btn-wa {
    background: #25D366;
    color: white;
    padding: 12px 28px;
    border-radius: 40px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}
.btn-tg {
    background: #0088cc;
    color: white;
    padding: 12px 28px;
    border-radius: 40px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

/* ===== HERO ===== */
.hero {
    padding: 80px 0;
    background: radial-gradient(circle at 20% 30%, rgba(0,255,136,0.08), transparent);
}
.hero-grid {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 3rem;
}
.hero-content { flex: 1; }
.hero-stats { flex: 1; display: flex; gap: 2rem; justify-content: center; }
.stat-card {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 24px;
    text-align: center;
    border: 1px solid var(--border);
}
.stat-number { font-size: 2rem; font-weight: 800; color: var(--accent); }

/* ===== CARDS ===== */
.services-grid, .portfolio-grid, .features-grid, .steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.8rem;
    margin-top: 2rem;
}
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 2rem;
    transition: var(--transition);
}
.card:hover { transform: translateY(-5px); border-color: var(--accent); }
.card-icon { font-size: 2.5rem; margin-bottom: 1rem; }

/* ===== REVIEW SLIDER ===== */
.review-slider {
    display: flex;
    gap: 2rem;
    overflow-x: auto;
    padding: 1rem 0;
    scroll-snap-type: x mandatory;
}
.review-card {
    min-width: 300px;
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 24px;
    border-left: 3px solid var(--accent);
    scroll-snap-align: start;
}

/* ===== FAQ ===== */
.faq-item {
    background: var(--bg-card);
    margin-bottom: 1rem;
    border-radius: 16px;
    padding: 1rem 1.5rem;
}
.faq-question {
    font-weight: 700;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
}
.faq-answer {
    display: none;
    padding-top: 1rem;
    color: var(--text-secondary);
}
.faq-item.active .faq-answer { display: block; }

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-elevated);
    padding: 3rem 0 2rem;
    margin-top: 4rem;
    border-top: 1px solid var(--border);
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

/* ===== MOBILE ===== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        padding: 1rem 0;
    }
    .nav-links.show { display: flex; }
    .mobile-menu-btn { display: block; }
    .hero-grid { flex-direction: column; }
    .hero-stats { flex-wrap: wrap; }
}

/* ===== SEO CONTENT ===== */
.seo-text {
    background: var(--bg-elevated);
    padding: 2rem;
    border-radius: 24px;
    margin: 2rem 0;
}
.keywords {
    color: var(--accent);
    font-weight: 600;
}