/* ============================================
   LANDING PAGE STYLES
   ============================================ */

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

:root {
    --primary-color: #1db954;
    --primary-dark: #169c46;
    --secondary-color: #0a0a0a;
    --text-light: #ffffff;
    --text-gray: #b3b3b3;
    --text-dark: #191414;
    --bg-dark: #0a0a0a;
    --bg-card: #181818;
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ============================================
   NAVIGATION
   ============================================ */

.landing-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 2rem;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-logo span {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-gray);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--text-light);
}

.btn-signin {
    padding: 0.6rem 1.5rem;
    background: transparent;
    color: var(--text-light);
    border: 1px solid var(--text-light);
    border-radius: 500px;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-signin:hover {
    background: var(--text-light);
    color: var(--bg-dark);
    transform: scale(1.05);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem 4rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(29, 185, 84, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(59, 130, 246, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(29, 185, 84, 0.1);
    border: 1px solid rgba(29, 185, 84, 0.3);
    border-radius: 500px;
    color: var(--primary-color);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 2rem;
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-title .gradient-text {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.btn-primary {
    padding: 1rem 2.5rem;
    background: var(--primary-color);
    color: var(--text-light);
    border: none;
    border-radius: 500px;
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.btn-secondary {
    padding: 1rem 2.5rem;
    background: transparent;
    color: var(--text-light);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 500px;
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-light);
}

/* ============================================
   FEATURES SECTION
   ============================================ */

.features {
    padding: 6rem 2rem;
    background: linear-gradient(180deg, var(--bg-dark) 0%, #0f0f0f 100%);
}

.features-container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-block;
    padding: 0.4rem 1.2rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 500px;
    color: var(--accent-blue);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: 0.5px;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 50%;
    right: -20px;
    transform: translateY(-50%);
    width: 180px;
    height: 180px;
    opacity: 0.05;
    transition: all 0.3s ease;
    z-index: 0;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.feature-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.feature-card:hover::before {
    opacity: 0.20;
}

.feature-title,
.feature-description {
    position: relative;
    z-index: 1;
}

/* Contract Management */
.feature-card[data-feature="contracts"]::before {
    background-image: url('/static/assets/images/features/contract.svg');
}

/* Booking & Container */
.feature-card[data-feature="booking"]::before {
    background-image: url('/static/assets/images/features/container.svg');
}

/* Smart Pricing */
.feature-card[data-feature="pricing"]::before {
    background-image: url('/static/assets/images/features/pricing.svg');
}

/* Customer & Supplier */
.feature-card[data-feature="customers"]::before {
    background-image: url('/static/assets/images/features/customers.svg');
}

/* Document Management */
.feature-card[data-feature="documents"]::before {
    background-image: url('/static/assets/images/features/documents.svg');
}

/* Advanced Analytics */
.feature-card[data-feature="analytics"]::before {
    background-image: url('/static/assets/images/features/analytics.svg');
}

/* Secure & Auditable */
.feature-card[data-feature="security"]::before {
    background-image: url('/static/assets/images/features/security.svg');
}

/* Fast & Responsive */
.feature-card[data-feature="performance"]::before {
    background-image: url('/static/assets/images/features/performance.svg');
}

/* Real-Time Updates */
.feature-card[data-feature="realtime"]::before {
    background-image: url('/static/assets/images/features/realtime.svg');
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    display: block;
    position: relative;
    z-index: 1;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--text-gray);
    line-height: 1.8;
}

/* ============================================
   STATS SECTION
   ============================================ */

.stats {
    padding: 4rem 2rem;
    background: var(--bg-card);
}

.stats-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-gray);
    font-weight: 500;
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, rgba(29, 185, 84, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
}

.cta-container {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.cta-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.cta-subtitle {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 3rem;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    padding: 3rem 2rem 2rem;
    background: var(--bg-dark);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.footer-brand span {
    color: var(--primary-color);
}

.footer-description {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.footer-section-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .hero-title {
        font-size: 3.5rem;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .landing-nav {
        padding: 1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .nav-link:not(.btn-signin) {
        display: none;
    }

    .hero {
        padding: 5rem 1rem 3rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .stats-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    .cta-title {
        font-size: 2rem;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        text-align: center;
    }
}