/* ========================================
   NGN Net Landing Page - MyRepublic Style
   ======================================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800;900&display=swap');

/* ========================================
   CSS Variables - Design System
   ======================================== */
:root {
    /* Brand Colors - MyRepublic Inspired */
    --color-primary: #662D91;           /* Deep Purple */
    --color-primary-dark: #4B2361;      /* Dark Purple for footer */
    --color-accent: #FBB03B;            /* Orange/Gold */
    --color-white: #FFFFFF;
    --color-black: #1B1B18;
    --color-gray-light: #F8F8F8;
    --color-gray: #706F6C;
    --color-gray-dark: #3E3E3A;
    
    /* Typography */
    --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;    /* 8px */
    --spacing-sm: 1rem;      /* 16px */
    --spacing-md: 1.5rem;    /* 24px */
    --spacing-lg: 2rem;      /* 32px */
    --spacing-xl: 3rem;      /* 48px */
    --spacing-xxl: 4rem;     /* 64px */
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.18);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ========================================
   Base Styles
   ======================================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-primary);
    color: var(--color-black);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   Header & Navigation
   ======================================== */
.landing-header {
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow var(--transition-normal);
}

.landing-header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    max-width: 1400px;
    margin: 0 auto;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-menu a {
    color: var(--color-black);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.nav-menu a:hover {
    color: var(--color-primary);
}

.nav-cta {
    background: var(--color-accent);
    color: var(--color-white);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    font-weight: 700;
    text-decoration: none;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.nav-cta:hover {
    background: #E69F2F;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-primary);
    cursor: pointer;
}

/* ========================================
   Hero Section
   ======================================== */
.hero-section {
    position: relative;
    height: 600px;
    background: linear-gradient(135deg, var(--color-primary) 0%, #8B4DAF 100%);
    overflow: hidden;
}

.hero-slider {
    position: relative;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero-slide-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(102, 45, 145, 0.9) 0%, rgba(102, 45, 145, 0.6) 60%, transparent 100%);
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    z-index: 10;
    max-width: 600px;
    padding: 0 var(--spacing-xxl);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--color-white);
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-xl);
    font-weight: 400;
    opacity: 0.95;
}

.hero-cta {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-white);
    padding: 1rem 2.5rem;
    border-radius: var(--radius-xl);
    font-weight: 700;
    font-size: 1.1rem;
    text-decoration: none;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.hero-cta:hover {
    background: #E69F2F;
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

/* Hero Slider Controls */
.hero-slider-dots {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 20;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.slider-dot.active {
    background: var(--color-accent);
    width: 32px;
    border-radius: 6px;
}

/* ========================================
   Features Highlight Section
   ======================================== */
.features-highlight {
    padding: var(--spacing-xxl) 0;
    background: var(--color-white);
}

.features-highlight-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-black);
    margin-bottom: var(--spacing-xl);
}

.features-highlight-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-xxl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-gray-light);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-8px);
}

.feature-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

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

.feature-description {
    font-size: 1rem;
    color: var(--color-gray);
    line-height: 1.6;
}

/* ========================================
   Packages Section
   ======================================== */
.packages-section {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(180deg, #F8F8F8 0%, #FFFFFF 100%);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-xxl);
}

.packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.package-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 3px solid transparent;
    position: relative;
}

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

.package-card.featured {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-lg);
}

.package-header {
    background: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: center;
    position: relative;
}

.package-card.featured .package-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, #8B4DAF 100%);
}

.package-name {
    font-size: 1.25rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.package-speed {
    position: absolute;
    top: -15px;
    right: var(--spacing-lg);
    background: var(--color-accent);
    color: var(--color-white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    font-weight: 800;
    font-size: 1.25rem;
    box-shadow: var(--shadow-md);
}

.package-speed::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid var(--color-accent);
}

.package-body {
    padding: var(--spacing-xl) var(--spacing-lg);
}

.package-price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.package-price small {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--color-gray);
}

.package-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.package-features li {
    padding: var(--spacing-xs) 0;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    color: var(--color-gray-dark);
    font-size: 0.95rem;
}

.package-features li::before {
    content: '✓';
    color: var(--color-primary);
    font-weight: bold;
    flex-shrink: 0;
}

.package-cta {
    display: block;
    width: 100%;
    padding: 0.875rem;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    text-align: center;
}

.package-cta:hover {
    background: #551f79;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.package-card.featured .package-cta {
    background: var(--color-accent);
}

.package-card.featured .package-cta:hover {
    background: #E69F2F;
}

/* ========================================
   How to Subscribe Section
   ======================================== */
.how-to-section {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, #FFF9E6 0%, #FFEDD5 100%);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.step-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 auto var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.step-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
}

.step-description {
    font-size: 0.95rem;
    color: var(--color-gray);
    line-height: 1.6;
}

/* ========================================
   Footer
   ======================================== */
.landing-footer {
    background: var(--color-primary-dark);
    color: var(--color-white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-column h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-column a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-white);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--color-accent);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

/* ========================================
   WhatsApp Chat Button
   ======================================== */
.whatsapp-float {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: var(--color-white);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 60px);
        background: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-xl);
        transition: left var(--transition-normal);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    /* Hero */
    .hero-section {
        height: 500px;
    }
    
    .hero-content {
        padding: 0 var(--spacing-md);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    /* Sections */
    .section-title {
        font-size: 2rem;
    }
    
    .features-highlight-title {
        font-size: 2rem;
    }
    
    /* Packages */
    .packages-grid {
        grid-template-columns: 1fr;
    }
    
    /* Steps */
    .steps-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .package-price {
        font-size: 1.75rem;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}