/* ===== CSS Variables (AEGIS Brand Colors - Ultramarine & Black) ===== */
:root {
    /* Ultramarine colors */
    --primary: #4169E1; /* Royal Blue / Ultramarine */
    --primary-hover: #1E3A8A; /* Darker ultramarine */
    --primary-soft: rgba(65, 105, 225, 0.15);
    --primary-light: rgba(65, 105, 225, 0.3);
    --secondary: #6B8DD6; /* Lighter ultramarine */
    --secondary-dark: #1E40AF; /* Dark ultramarine */
    
    /* Black colors */
    --bg: #000000; /* Pure black */
    --bg-dark: #0A0A0A; /* Almost black */
    --bg-darker: #050505; /* Very dark */
    --surface: #1A1A1A; /* Dark gray-black */
    --surface-dark: #0F0F0F; /* Very dark */
    --surface-light: #2A2A2A; /* Slightly lighter */
    
    /* Text colors */
    --text: #FFFFFF; /* Pure white */
    --text-muted: #B0B0B0; /* Light gray */
    --text-light: #E0E0E0; /* Very light gray */
    --text-dark: #808080; /* Medium gray */
    
    /* Other */
    --border: rgba(255, 255, 255, 0.1);
    --success: #2ecc71;
    --danger: #ff5c5c;
    --warning: #f1c40f;
    --shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.7);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Background logo */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('assets/logo.png');
    background-repeat: no-repeat;
    background-position: center;
    background-size: 800px;
    opacity: 0.03;
    z-index: 0;
    pointer-events: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: var(--transition);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
}

.nav-brand {
    display: flex;
    align-items: center;
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    letter-spacing: 1px;
}

.brand-name {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1.5px;
    font-weight: 800;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.nav-link {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

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

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 0 80px;
    overflow: hidden;
    z-index: 1;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(65, 105, 225, 0.05) 0%, rgba(0, 0, 0, 0.3) 100%);
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary-soft) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

.hero-background::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(79, 140, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(30px, -30px) rotate(180deg); }
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    padding: 8px 18px;
    background: var(--primary-soft);
    color: var(--primary);
    border: 1px solid var(--primary-light);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease-out;
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--text) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease-out;
    letter-spacing: -0.5px;
}

.hero-description {
    font-size: 20px;
    color: var(--text-muted);
    margin-bottom: 40px;
    line-height: 1.6;
    animation: fadeInUp 1s ease-out;
    font-weight: 400;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
    animation: fadeInUp 1.2s ease-out;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
    animation: fadeInUp 1.4s ease-out;
}

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

.stat-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(65, 105, 225, 0.4);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(65, 105, 225, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-soft);
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
}

/* ===== Section Styles ===== */
section {
    padding: 100px 0;
    position: relative;
    z-index: 1;
}

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

.section-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text);
    letter-spacing: -0.5px;
}

.section-description {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
    font-weight: 400;
    line-height: 1.6;
}

/* ===== Features Section ===== */
.features {
    background: var(--bg);
    position: relative;
    z-index: 1;
}

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

.feature-card {
    background: var(--surface);
    padding: 40px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transition: var(--transition);
    box-shadow: 0 0 10px var(--primary);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(65, 105, 225, 0.2);
    border-color: var(--primary);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text);
}

.feature-description {
    color: var(--text-muted);
    line-height: 1.6;
    font-size: 15px;
}

/* ===== Pricing Section ===== */
.pricing {
    background: var(--bg);
    position: relative;
    z-index: 1;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    position: relative;
    transition: var(--transition);
    z-index: 1;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(65, 105, 225, 0.2);
    border-color: var(--primary);
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft), 0 4px 12px rgba(65, 105, 225, 0.3);
    position: relative;
    overflow: visible;
}

.pricing-card.featured::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, #4169E1, #6B8DD6, #1E40AF, #4169E1, #1E3A8A, #6B8DD6, #4169E1);
    background-size: 400% 400%;
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s ease;
    animation: gradientFlow 3s ease infinite;
    pointer-events: none;
}

.pricing-card.featured::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: calc(var(--radius) - 4px);
    background: var(--surface);
    z-index: -1;
    pointer-events: none;
}

.pricing-card.featured:hover::before {
    opacity: 1;
}

.pricing-card.featured:hover {
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(65, 105, 225, 0.3);
}

@keyframes gradientFlow {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 6px 20px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border);
}

.pricing-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 8px;
}

.price-amount {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary);
}

.price-period {
    font-size: 18px;
    color: var(--text-muted);
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 12px 0;
    color: var(--text);
    font-size: 15px;
    line-height: 1.6;
    border-bottom: 1px solid var(--border);
}

.pricing-features li:last-child {
    border-bottom: none;
}

/* ===== Contact Section ===== */
.contact {
    background: var(--bg);
    position: relative;
    z-index: 1;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.contact-icon {
    font-size: 32px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-soft);
    border-radius: var(--radius);
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 18px;
    margin-bottom: 4px;
    color: var(--text);
    font-weight: 600;
}

.contact-item p {
    color: var(--text-muted);
    font-size: 15px;
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: 40px 0;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-text {
    color: var(--text-muted);
    font-size: 14px;
}

/* ===== Modal ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease-out;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 40px;
    max-width: 500px;
    width: 90%;
    position: relative;
    animation: slideUp 0.3s ease-out;
    box-shadow: var(--shadow-lg);
    z-index: 2001;
    border: 1px solid var(--border);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    font-size: 32px;
    font-weight: 300;
    color: var(--text-muted);
    cursor: pointer;
    line-height: 1;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text);
}

.modal-header {
    margin-bottom: 24px;
}

.modal-header h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0;
}

.payment-status,
.payment-success,
.payment-error {
    text-align: center;
    padding: 40px 20px;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.success-icon,
.error-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.payment-success h3,
.payment-error h3 {
    font-size: 24px;
    margin-bottom: 12px;
    font-weight: 700;
}

.payment-success p,
.payment-error p {
    color: var(--text-muted);
    margin-bottom: 24px;
    font-size: 15px;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: var(--surface);
        width: 100%;
        padding: 24px;
        box-shadow: var(--shadow);
        transition: var(--transition);
        z-index: 1001;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 40px;
    }

    .hero-description {
        font-size: 18px;
    }

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

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .section-title {
        font-size: 36px;
    }

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

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 100px 0 60px;
        min-height: 90vh;
    }

    .hero-title {
        font-size: 32px;
    }

    section {
        padding: 60px 0;
    }
    
    .features-grid,
    .pricing-grid {
        gap: 24px;
    }
    
    .feature-card,
    .pricing-card {
        padding: 32px;
    }
}