/* ========================================
   DATAFEED Business Optimizer - Custom Styles
   ======================================== */

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #8b5cf6;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --dark: #1e293b;
    --light: #f8fafc;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
}

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

body {
    font-family: 'Poppins', sans-serif;
    color: #334155;
    overflow-x: hidden;
    line-height: 1.6;
}

html {
    scroll-behavior: smooth;
}

/* ========================================
   NAVBAR
   ======================================== */

#mainNav {
    padding: 1rem 0;
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

#mainNav.scrolled {
    padding: 0.5rem 0;
    background: rgba(30, 41, 59, 0.98);
}

.navbar-brand {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff !important;
    transition: transform 0.3s ease;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.navbar-brand img {
    transition: transform 0.3s ease;
}

.navbar-brand:hover img {
    transform: rotate(5deg);
}

.nav-link {
    color: rgba(255,255,255,0.85) !important;
    font-weight: 500;
    margin: 0 0.5rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 80%;
}

.nav-link:hover {
    color: #fff !important;
}

.nav-link.btn-primary {
    background: var(--gradient-primary) !important;
    border: none;
    border-radius: 50px;
    color: #fff !important;
    padding: 0.5rem 1.5rem !important;
}

.nav-link.btn-primary::after {
    display: none;
}

.nav-link.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

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

.hero-section {
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 80px 0 0 0;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.05)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.3;
}

.hero-title {
    font-weight: 800;
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease;
}

.gradient-text {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-description {
    font-size: 1.1rem;
    opacity: 0.9;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-buttons {
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-buttons .btn {
    margin: 0.5rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.hero-buttons .btn-primary {
    background: #fff;
    color: #667eea;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.hero-buttons .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

.hero-buttons .btn-outline-light {
    border-color: #fff;
    color: #fff;
}

.hero-buttons .btn-outline-light:hover {
    background: #fff;
    color: #667eea;
    transform: translateY(-3px);
}

.hero-stats {
    animation: fadeInUp 0.8s ease 0.8s both;
}

.stat-item {
    text-align: center;
    padding: 1rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #fbbf24;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
    margin: 0;
}

.hero-logo {
    max-width: 400px;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.3));
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator a {
    color: #fff;
    font-size: 2rem;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.scroll-indicator a:hover {
    opacity: 1;
}

/* ========================================
   SECTIONS
   ======================================== */

.section-padding {
    padding: 100px 0;
}

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

.section-label {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.2rem;
    color: #64748b;
    max-width: 700px;
    margin: 0 auto;
}

/* ========================================
   FEATURE CARDS
   ======================================== */

.feature-card {
    background: #fff;
    border-radius: 20px;
    padding: 2.5rem;
    height: 100%;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    box-shadow: var(--shadow-md);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-icon i {
    font-size: 2rem;
    color: #fff;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1rem;
}

.feature-description {
    color: #64748b;
    line-height: 1.8;
    margin: 0;
}

/* ========================================
   BENEFITS
   ======================================== */

.benefit-list {
    padding: 2rem 0;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
    transition: transform 0.3s ease;
}

.benefit-item:hover {
    transform: translateX(10px);
}

.benefit-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1.5rem;
}

.benefit-icon i {
    font-size: 1.5rem;
    color: #fff;
}

.benefit-content h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.benefit-content p {
    color: #64748b;
    margin: 0;
}

.benefits-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stat-box {
    background: #fff;
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.stat-box:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-xl);
}

.stat-box-icon {
    font-size: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.stat-box h3 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.stat-box p {
    color: #64748b;
    font-weight: 600;
    margin: 0;
}

/* ========================================
   MODULES
   ======================================== */

.module-card {
    background: rgba(255,255,255,0.05);
    border: 2px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 2rem;
    height: 100%;
    transition: all 0.3s ease;
}

.module-card:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--primary-color);
    transform: translateY(-10px);
}

.module-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: #fbbf24;
}

.module-card h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #fff;
}

.module-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.module-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: rgba(255,255,255,0.8);
}

.module-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: 700;
}

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

.cta-section {
    background: var(--gradient-primary);
    color: #fff;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.05)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat center;
    background-size: cover;
    opacity: 0.3;
}

.cta-section h2,
.cta-section p {
    position: relative;
    z-index: 1;
}

.cta-buttons {
    position: relative;
    z-index: 1;
}

.cta-buttons .btn {
    margin: 0.5rem;
    border-radius: 50px;
    font-weight: 600;
    padding: 1rem 2.5rem;
    transition: all 0.3s ease;
}

.cta-buttons .btn-light {
    background: #fff;
    color: #667eea;
    border: none;
}

.cta-buttons .btn-light:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

.cta-buttons .btn-outline-light {
    border: 2px solid #fff;
    color: #fff;
}

.cta-buttons .btn-outline-light:hover {
    background: #fff;
    color: #667eea;
    transform: translateY(-3px);
}

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

.footer {
    background: #0f172a !important;
}

.footer-links {
    list-style: none;
    padding: 0;
}

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

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #fff;
}

.footer-contact {
    list-style: none;
    padding: 0;
}

.footer-contact li {
    margin-bottom: 0.75rem;
    color: rgba(255,255,255,0.7);
}

/* ========================================
   ANIMATIONS
   ======================================== */

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

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

@media (max-width: 991px) {
    .hero-title {
        font-size: 2.5rem;
    }

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

    .hero-section {
        padding: 60px 0 0 0;
    }

    .section-padding {
        padding: 60px 0;
    }

    .benefits-stats {
        margin-top: 3rem;
    }
}

@media (max-width: 767px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin-bottom: 1rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .cta-section h2 {
        font-size: 2rem;
    }

    .cta-buttons .btn {
        display: block;
        width: 100%;
        margin-bottom: 1rem;
    }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: var(--gradient-primary);
}

.shadow-custom {
    box-shadow: var(--shadow-lg);
}