/* ==========================================================================
   CSS RESET & DESIGN TOKENS
   ========================================================================== */
:root {
    --bg-dark: #080c14;
    --bg-surface: #0f172a;
    --bg-surface-elevated: #1e293b;
    
    --accent-blue: #0284c7;
    --accent-cyan: #38bdf8;
    --accent-glow: rgba(56, 189, 248, 0.15);

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(56, 189, 248, 0.25);
    
    --radius-lg: 20px;
    --radius-md: 12px;
    --radius-full: 9999px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* ==========================================================================
   AMBIENT GLOW EFFECTS
   ========================================================================== */
.ambient-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(140px);
    z-index: -1;
    pointer-events: none;
}

.glow-top {
    top: -10%;
    left: 20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(2, 132, 199, 0.25), transparent 70%);
}

.glow-middle {
    top: 50%;
    right: 10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.15), transparent 70%);
}

/* ==========================================================================
   LAYOUT CONTAINERS
   ========================================================================== */
.site-wrapper {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ==========================================================================
   HEADER / NAVBAR
   ========================================================================== */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 32px 0 20px 0;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 1.5px;
}

.brand-icon {
    width: 38px;
    height: 38px;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--accent-cyan);
}

.nav-btn {
    text-decoration: none;
    color: var(--text-primary);
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    padding: 8px 18px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.nav-btn:hover {
    border-color: var(--accent-cyan);
    background: rgba(56, 189, 248, 0.1);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    padding: 90px 0 100px 0;
}

.hero-content {
    flex: 1.1;
}

.badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid var(--border-highlight);
    border-radius: var(--radius-full);
    color: var(--accent-cyan);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.gradient-text {
    background: linear-gradient(135deg, #ffffff 30%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    color: #031124;
    box-shadow: 0 4px 20px rgba(56, 189, 248, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(56, 189, 248, 0.5);
}

/* Mockup Container */
.hero-visual {
    flex: 0.9;
    display: flex;
    justify-content: center;
}

.mockup-frame {
    position: relative;
    width: 320px;
    height: 520px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 36px;
    padding: 12px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), 0 0 30px var(--accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.mockup-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 28px;
}

.mockup-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 600;
    background: var(--bg-surface-elevated);
    border-radius: 28px;
    text-align: center;
    padding: 20px;
}

/* ==========================================================================
   PRODUCTS SECTION
   ========================================================================== */
.products-section {
    padding: 80px 0 120px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 34px;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 16px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.product-card {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.8) 0%, rgba(15, 23, 42, 0.4) 100%);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 36px;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    position: relative;
}

.product-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-highlight);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 25px var(--accent-glow);
}

.card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.product-icon-wrap {
    width: 56px;
    height: 56px;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    overflow: hidden;
}

.product-logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-tag {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.04);
    padding: 4px 10px;
    border-radius: var(--radius-full);
}

.product-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.product-desc {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 32px;
    flex-grow: 1;
}

.card-footer {
    border-top: 1px solid var(--border-subtle);
    padding-top: 20px;
}

.card-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-cyan);
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    transition: gap 0.2s ease;
}

.card-btn:hover {
    gap: 12px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    border-top: 1px solid var(--border-subtle);
    padding: 48px 0;
    text-align: center;
}

.footer-content p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.footer-content a {
    color: var(--accent-cyan);
    text-decoration: none;
    font-weight: 600;
}

.footer-content .copyright {
    color: var(--text-muted);
    font-size: 13px;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 900px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 50px 0 70px 0;
    }

    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .hero-title {
        font-size: 38px;
    }

    .hero-description {
        font-size: 16px;
    }

    .mockup-frame {
        width: 280px;
        height: 460px;
    }
}