/* 
   AI App Alchemy - Premium Dark Theme
   Author: AI
   CSS: Vanilla
*/

:root {
    /* Color Palette */
    --bg-dark: #070913;
    --bg-darker: #040509;
    --bg-card: rgba(255, 255, 255, 0.03);
    
    --primary: #8a2be2;
    --primary-glow: rgba(138, 43, 226, 0.5);
    --secondary: #ff2a6d;
    --accent: #05d9e8;
    
    --text-main: #f0f0f5;
    --text-muted: #a0a5b5;
    
    --success: #10b981;
    --error: #ef4444;

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* Radii */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    letter-spacing: -1px;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--spacing-md);
}

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }

.highlight {
    background: linear-gradient(90deg, var(--secondary), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Layout */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section {
    padding: var(--spacing-xxl) 0;
    position: relative;
    z-index: 10;
}

.dark-bg {
    background-color: var(--bg-darker);
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.two-col {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

@media (min-width: 768px) {
    .two-col {
        flex-direction: row;
        align-items: center;
    }
    .col {
        flex: 1;
    }
}

.grid-3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

@media (min-width: 768px) {
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Background Effects */
.background-effects {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.grid-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: 1;
    mask-image: radial-gradient(circle at center, black, transparent 80%);
    -webkit-mask-image: radial-gradient(circle at center, black, transparent 80%);
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    z-index: 0;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--primary);
    top: -100px;
    left: -100px;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--secondary);
    bottom: -200px;
    right: -100px;
}

/* Navigation */
.sticky-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    background: rgba(7, 9, 19, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 100;
    padding: var(--spacing-sm) 0;
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
}

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

.nav-menu {
    display: none;
    list-style-type: none;
    padding: 0;
    margin: 0;
    gap: 1.5rem;
}

@media (min-width: 992px) {
    .nav-menu {
        display: flex;
        align-items: center;
    }
}

.nav-menu a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.3s;
}

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

/* Dropdown specific styles */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: rgba(7, 9, 19, 0.95);
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.5);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    z-index: 101;
    top: 100%;
    left: 0;
    padding: 0.5rem 0;
}

.dropdown-content a {
    color: var(--text-muted);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    font-size: 0.9rem;
    transition: background 0.3s, color 0.3s;
}

.dropdown-content a:hover {
    background-color: rgba(138,43,226,0.1);
    color: var(--text-main);
}

.dropdown:hover .dropdown-content {
    display: block;
}

/* Buttons */
.btn {
    display: inline-block;
    text-decoration: none;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    cursor: pointer;
    text-align: center;
    border: none;
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.9rem;
    background: rgba(255,255,255,0.1);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.2);
}

.btn-small:hover {
    background: rgba(255,255,255,0.2);
}

.btn-large {
    padding: 20px 40px;
    font-size: 1.25rem;
    border-radius: var(--radius-md);
    width: 100%;
}

@media (min-width: 768px) {
    .btn-large {
        width: auto;
    }
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 10px 20px rgba(138, 43, 226, 0.3);
    border: 1px solid rgba(255,255,255,0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.btn-primary:hover {
    box-shadow: 0 15px 30px rgba(255, 42, 109, 0.4);
    transform: translateY(-2px);
}

.btn-text {
    font-size: 1.3rem;
    font-weight: 800;
}

.btn-subtext {
    font-size: 0.8rem;
    font-weight: 400;
    opacity: 0.9;
    margin-top: 4px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    padding-top: 100px;
    position: relative;
    z-index: 10;
}

.badge {
    display: inline-block;
    background: rgba(255, 42, 109, 0.1);
    color: var(--secondary);
    border: 1px solid rgba(255, 42, 109, 0.3);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-lg);
}

.subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: var(--spacing-md);
}

.description {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.guarantee {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Alerts & Cards */
.alert-box {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    border-left: 4px solid;
    background: rgba(255,255,255,0.02);
}

.alert-box.error {
    border-left-color: var(--error);
}

.alert-box.success {
    border-left-color: var(--success);
}

.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl) var(--spacing-lg);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.glass-card:hover {
    border-color: rgba(255,255,255,0.15);
}

.glass-card .icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

/* Features */
.special-feature {
    background: linear-gradient(135deg, rgba(138,43,226,0.1), rgba(5,217,232,0.1));
    border: 1px solid rgba(138,43,226,0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.badge-accent {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--primary);
    color: white;
    padding: 4px 16px;
    font-size: 0.8rem;
    font-weight: 700;
    border-bottom-left-radius: var(--radius-md);
}

/* Pricing */
.pricing-container {
    max-width: 600px;
}

.pricing-card {
    position: relative;
    padding: var(--spacing-xl);
    background: linear-gradient(180deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0) 100%);
    border-top: 2px solid var(--secondary);
    margin-bottom: var(--spacing-xl);
}

.price-strike {
    text-decoration: line-through;
    color: var(--text-muted);
    font-size: 1.5rem;
}

.price-huge {
    font-family: var(--font-heading);
    font-size: 5rem;
    font-weight: 800;
    line-height: 1;
    color: var(--accent);
    margin: var(--spacing-sm) 0;
    text-shadow: 0 0 20px rgba(5,217,232,0.4);
}

.price-desc {
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.feature-list {
    list-style: none;
    text-align: left;
    margin-bottom: var(--spacing-xl);
}

.feature-list li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    gap: 10px;
}

.feature-list li:last-child {
    border-bottom: none;
}

/* Timer */
.countdown-timer {
    background: rgba(0,0,0,0.5);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    display: inline-block;
}

.timer-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    margin-top: var(--spacing-sm);
}

.time-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
    padding: 5px 15px;
    min-width: 70px;
}

.time-box small {
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 1px;
    color: var(--text-muted);
}

/* Footer */
footer {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    background: var(--bg-darker);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.legal-links {
    margin: var(--spacing-md) 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
}

.legal-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
}

.legal-links a:hover {
    color: var(--accent);
}

.disclaimer {
    font-size: 0.8rem;
    max-width: 800px;
    margin: var(--spacing-lg) auto 0;
}

/* Animations */
.hover-lift {
    transition: transform 0.3s ease;
}
.hover-lift:hover {
    transform: translateY(-5px);
}

@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 42, 109, 0.4); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(255, 42, 109, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 42, 109, 0); }
}

.pulse {
    animation: pulse 2s infinite;
}

.pulse-strong {
    animation: pulse 1.5s infinite;
}

/* Intersection Observer Classes */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.is-visible {
    opacity: 1;
    transform: translate(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }