/**
 * Landing Page Styles
 * Modern, Apple-inspired design with Liquid Glass effects
 * Requirements: 3.1, 3.2, 3.3, 3.4, 3.5
 */

/* CSS Variables */
:root {
    --primary-red: #fb4268;
    --primary-red-hover: #ff6b8a;
    --primary-red-dark: #e63456;
    --dark-bg: #0a0a0a;
    --dark-surface: #141414;
    --dark-card: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-tertiary: #707070;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-bg-hover: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-border-hover: rgba(251, 66, 104, 0.5);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Background Effects */
.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(251, 66, 104, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(251, 66, 104, 0.1) 0%, transparent 50%);
    z-index: -2;
}

.bg-pattern {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    background: rgba(10, 10, 10, 0.8);
    border-bottom: 1px solid var(--glass-border);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo svg {
    filter: drop-shadow(0 0 10px rgba(251, 66, 104, 0.5));
}

.nav-cta {
    padding: 0.625rem 1.5rem;
    background: var(--primary-red);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(251, 66, 104, 0.3);
}

.nav-cta:hover {
    background: var(--primary-red-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(251, 66, 104, 0.4);
}

/* Main Content */
main {
    padding-top: 80px;
}

/* Hero Section */
.hero {
    max-width: 1400px;
    margin: 0 auto;
    padding: 6rem 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: calc(100vh - 80px);
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 0.875rem;
    margin-bottom: 2rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(251, 66, 104, 0.4);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(251, 66, 104, 0);
    }
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

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

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 500px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--primary-red);
    color: white;
    box-shadow: 0 4px 20px rgba(251, 66, 104, 0.3);
}

.btn-primary:hover {
    background: var(--primary-red-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(251, 66, 104, 0.4);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-red);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 2rem;
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-red);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--glass-border);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

/* Decorative elements */
.hero-decoration {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
    z-index: -1;
    animation: pulse-glow 4s ease-in-out infinite;
}

.hero-decoration-1 {
    width: 300px;
    height: 300px;
    background: var(--primary-red);
    top: -50px;
    right: -50px;
}

.hero-decoration-2 {
    width: 200px;
    height: 200px;
    background: var(--primary-red-hover);
    bottom: -30px;
    left: -30px;
    animation-delay: 2s;
}

@keyframes pulse-glow {
    0%, 100% {
        opacity: 0.2;
        transform: scale(1);
    }
    50% {
        opacity: 0.4;
        transform: scale(1.1);
    }
}

.glass-mockup {
    position: relative;
    padding: 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 2rem;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
}

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

.mockup-screen {
    background: var(--dark-surface);
    border-radius: 1rem;
    overflow: hidden;
    aspect-ratio: 9/16;
}

.mockup-content {
    padding: 1rem;
}

.mockup-header {
    height: 40px;
    background: linear-gradient(90deg, var(--glass-bg) 0%, transparent 100%);
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    position: relative;
    overflow: hidden;
}

.mockup-header::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: header-shine 2s infinite;
}

@keyframes header-shine {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

.mockup-banner {
    height: 150px;
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-hover) 100%);
    border-radius: 1rem;
    margin-bottom: 1rem;
    opacity: 0.4;
    position: relative;
    overflow: hidden;
}

.mockup-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(255, 255, 255, 0.1) 100%);
}

.mockup-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.mockup-card {
    aspect-ratio: 2/3;
    background: linear-gradient(135deg, var(--glass-bg) 0%, rgba(251, 66, 104, 0.1) 100%);
    border-radius: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    animation: card-shimmer 3s ease-in-out infinite;
}

.mockup-card:nth-child(1) {
    animation-delay: 0s;
}

.mockup-card:nth-child(2) {
    animation-delay: 0.3s;
}

.mockup-card:nth-child(3) {
    animation-delay: 0.6s;
}

@keyframes card-shimmer {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
}

/* Features Section */
.features {
    max-width: 1400px;
    margin: 0 auto;
    padding: 6rem 2rem;
}

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

.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--primary-red);
    margin-bottom: 1rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

/* Enhanced Liquid Glass Card */
.glass-card {
    position: relative;
    padding: 2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 1.5rem;
    transition: var(--transition);
    overflow: hidden;
}

/* Glass filter layer */
.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    z-index: 1;
}

/* Glass overlay layer */
.glass-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
    z-index: 0;
}

.glass-card:hover {
    transform: translateY(-8px) scale(1.02);
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(251, 66, 104, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.glass-card:hover::after {
    opacity: 1;
}

/* Glass specular highlight */
.glass-card > * {
    position: relative;
    z-index: 2;
}

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-hover) 100%);
    border-radius: 1rem;
    margin-bottom: 1.5rem;
    color: white;
    box-shadow: 
        0 8px 20px rgba(251, 66, 104, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.glass-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 
        0 12px 30px rgba(251, 66, 104, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

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

.glass-card:hover .feature-title {
    color: var(--primary-red);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.8;
    transition: var(--transition);
}

.glass-card:hover .feature-description {
    color: var(--text-primary);
}

/* CTA Section */
.cta-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 6rem 2rem;
}

.cta-content {
    text-align: center;
    padding: 4rem 2rem;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.cta-content::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(251, 66, 104, 0.1) 0%, transparent 70%);
    z-index: -1;
    animation: pulse-glow 3s ease-in-out infinite;
}

.cta-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

/* Footer */
.footer {
    border-top: 1px solid var(--glass-border);
    padding: 4rem 2rem 2rem;
    background: var(--dark-surface);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-description {
    color: var(--text-secondary);
    max-width: 300px;
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

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

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

.footer-column ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: var(--primary-red);
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Additional Animations */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.mockup-banner {
    animation: shimmer 3s infinite linear;
    background: linear-gradient(
        90deg,
        rgba(251, 66, 104, 0.2) 0%,
        rgba(251, 66, 104, 0.4) 50%,
        rgba(251, 66, 104, 0.2) 100%
    );
    background-size: 1000px 100%;
}

/* Scroll reveal animation */
.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: var(--transition-smooth);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Enhanced button effects */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn > * {
    position: relative;
    z-index: 1;
}

/* Ripple effect */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: scale(0);
    animation: ripple-animation 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        gap: 3rem;
        padding: 4rem 2rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-description {
        margin: 0 auto 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 1rem;
    }
    
    .logo span {
        font-size: 1rem;
    }
    
    .hero {
        padding: 3rem 1.5rem;
        min-height: auto;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 1.5rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-description {
        font-size: 1rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .cta-description {
        font-size: 1.125rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-badge {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .cta-title {
        font-size: 1.75rem;
    }
    
    .glass-mockup {
        padding: 1rem;
    }
}