/* AURESTA.ai - Main Stylesheet */
/* Modern, clean, and performance-optimized CSS */

/* ===========================
   CSS Variables & Reset
   =========================== */
:root {
    --color-primary: #00f5ff;
    --color-secondary: #0080ff;
    --color-bg-dark: #0a1628;
    --color-bg-glass: rgba(15, 35, 65, 0.4);
    --color-border: rgba(0, 245, 255, 0.15);
    --color-text-primary: #ffffff;
    --color-text-secondary: rgba(255, 255, 255, 0.7);
    --color-text-muted: rgba(255, 255, 255, 0.6);
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 40px;
    --spacing-xl: 60px;
    --spacing-2xl: 80px;
    --spacing-3xl: 120px;
    --border-radius-sm: 20px;
    --border-radius-md: 24px;
    --border-radius-lg: 50px;
    --transition-fast: 0.3s;
    --transition-medium: 0.4s;
    --transition-slow: 0.8s;
}

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

/* ===========================
   Base Styles
   =========================== */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    color: var(--color-text-primary);
    background: var(--color-bg-dark);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===========================
   Layout & Container
   =========================== */
#canvas-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.content-wrapper {
    position: relative;
    z-index: 1;
    padding-top: 80px; /* Account for fixed navigation */
}

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

/* ===========================
   Typography
   =========================== */
.section-title {
    font-size: 52px;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 20px;
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===========================
   Buttons
   =========================== */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-bg-dark);
    padding: 12px 28px;
    border-radius: var(--border-radius-lg);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    box-shadow: 0 0 20px rgba(0, 245, 255, 0.4);
    border: none;
    cursor: pointer;
    font-size: 15px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 245, 255, 0.6);
}

.btn-secondary {
    background: rgba(0, 245, 255, 0.1);
    color: var(--color-primary);
    padding: 12px 28px;
    border: 1px solid rgba(0, 245, 255, 0.3);
    border-radius: var(--border-radius-lg);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-fast);
    display: inline-block;
    backdrop-filter: blur(10px);
    cursor: pointer;
    font-size: 15px;
}

.btn-secondary:hover {
    background: rgba(0, 245, 255, 0.2);
    border-color: rgba(0, 245, 255, 0.5);
}

/* ===========================
   Glass Card Effect
   =========================== */
.glass-card {
    background: var(--color-bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: 48px;
    transition: all var(--transition-medium) cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 245, 255, 0.1), transparent);
    transition: left 0.5s;
}

.glass-card:hover::before {
    left: 100%;
}

.glass-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 245, 255, 0.4);
    box-shadow: 0 20px 60px rgba(0, 245, 255, 0.2);
    background: rgba(15, 35, 65, 0.6);
}

.glass-card h3 {
    font-size: 28px;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.glass-card p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    font-size: 16px;
}

/* ===========================
   Feature Cards
   =========================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(0, 245, 255, 0.2) 0%, rgba(0, 128, 255, 0.2) 100%);
    border: 1px solid rgba(0, 245, 255, 0.3);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin-bottom: 28px;
    transition: all var(--transition-fast);
}

.glass-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 0 30px rgba(0, 245, 255, 0.4);
}

.feature-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--spacing-sm);
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 0;
}

.badge {
    display: inline-block;
    background: rgba(0, 245, 255, 0.1);
    color: var(--color-primary);
    padding: 10px var(--spacing-md);
    border-radius: var(--border-radius-lg);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 32px;
    border: 1px solid rgba(0, 245, 255, 0.2);
    backdrop-filter: blur(10px);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 10px rgba(0, 245, 255, 0.2);
    }
    50% {
        box-shadow: 0 0 20px rgba(0, 245, 255, 0.4);
    }
}

.hero h1 {
    font-size: 72px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, #ffffff 0%, var(--color-primary) 50%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out;
}

.hero p {
    font-size: 22px;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto 48px;
    line-height: 1.6;
    animation: fadeInUp 1s ease-out 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.4s backwards;
}

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

/* ===========================
   Sections
   =========================== */
.section {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

/* ===========================
   Stats Grid
   =========================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: rgba(15, 35, 65, 0.3);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 245, 255, 0.4);
    box-shadow: 0 10px 40px rgba(0, 245, 255, 0.2);
}

.stat-number {
    font-size: 56px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
    display: block;
}

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

/* ===========================
   Pricing Cards
   =========================== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.pricing-card {
    background: var(--color-bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: 48px;
    transition: all var(--transition-medium);
    position: relative;
}

.pricing-card.featured {
    border: 2px solid rgba(0, 245, 255, 0.5);
    box-shadow: 0 0 40px rgba(0, 245, 255, 0.2);
}

.pricing-card.featured::before {
    content: 'MOST POPULAR';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-bg-dark);
    padding: 6px 20px;
    border-radius: var(--border-radius-sm);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
}

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 245, 255, 0.4);
    box-shadow: 0 20px 60px rgba(0, 245, 255, 0.3);
}

.pricing-card h3 {
    font-size: 28px;
    margin-bottom: 12px;
}

.pricing-card .description {
    color: var(--color-text-muted);
    margin-bottom: 32px;
    font-size: 15px;
}

.price {
    font-size: 56px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.price span {
    font-size: 20px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.5);
}

.pricing-features {
    list-style: none;
    margin: 32px 0;
}

.pricing-features li {
    padding: 14px 0;
    color: rgba(255, 255, 255, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.pricing-features li::before {
    content: "✓";
    color: var(--color-primary);
    font-weight: 700;
    font-size: 18px;
    width: 24px;
    height: 24px;
    background: rgba(0, 245, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* ===========================
   CTA Section
   =========================== */
.cta-section {
    padding: var(--spacing-3xl) 0;
    text-align: center;
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(0, 245, 255, 0.1) 0%, transparent 70%);
}

.cta-section h2 {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, #ffffff 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-section p {
    font-size: 20px;
    color: var(--color-text-secondary);
    margin-bottom: 48px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ===========================
   Scroll Indicator
   =========================== */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

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

.arrow-down {
    width: 30px;
    height: 30px;
    border-left: 2px solid var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
    transform: rotate(-45deg);
}

/* ===========================
   Utility Classes
   =========================== */
.text-center {
    text-align: center;
}

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

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 42px;
    }

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

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

    .container {
        padding: 0 20px;
    }

    .glass-card {
        padding: 32px;
    }

    .cta-section h2 {
        font-size: 36px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 32px;
    }

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

    .section-title {
        font-size: 28px;
    }

    .stat-number {
        font-size: 40px;
    }
}

/* ===========================
   CRITICAL: Fixed Navigation Override
   Added: 2025-10-08
   =========================== */
nav {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    z-index: 9999 !important;
    background: rgba(10, 22, 40, 0.9) !important;
    backdrop-filter: blur(20px) !important;
    border-bottom: 1px solid rgba(0, 245, 255, 0.1);
    padding: 24px 0;
}