/* Design System & Variables */
:root {
    --bg-dark: #050505;
    --bg-medium: #111111;
    --bg-light: #1a1a1a;
    
    --primary-gradient: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 50%, #EC4899 100%);
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-hover-bg: rgba(255, 255, 255, 0.06);
    --card-hover-border: rgba(255, 255, 255, 0.15);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Background Effects */
.bg-shape {
    position: fixed;
    border-radius: 50%;
    filter: blur(140px);
    z-index: -1;
    opacity: 0.4;
    animation: float 25s infinite ease-in-out alternate;
    pointer-events: none;
}

.shape-1 {
    top: -15%;
    left: -10%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.3) 0%, rgba(139, 92, 246, 0) 70%);
}

.shape-2 {
    bottom: -15%;
    right: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.25) 0%, rgba(236, 72, 153, 0) 70%);
    animation-delay: -5s;
}

.shape-3 {
    top: 40%;
    left: 40%;
    width: 30vw;
    height: 30vw;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.2) 0%, rgba(59, 130, 246, 0) 70%);
    animation-delay: -12s;
}

.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(to right, rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    pointer-events: none;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(3%, 3%) scale(1.05); }
}

/* Container Layout */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    flex-direction: column;
}

/* Glass Header */
.glass-header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(5, 5, 5, 0.6);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.app-logo {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--primary-gradient);
    padding: 2px;
}

.app-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #fff;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav-link:hover {
    color: #fff;
}

/* Glassmorphism Utilities */
.glass-panel {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: 24px;
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

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

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(139, 92, 246, 0.1);
    color: #a78bfa;
    padding: 0.5rem 1rem;
    border-radius: 100px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 2rem;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: #a78bfa;
    border-radius: 50%;
    box-shadow: 0 0 10px #a78bfa;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.5); opacity: 0.5; }
    100% { transform: scale(1); opacity: 1; }
}

.hero-headline {
    font-family: var(--font-heading);
    font-size: 5.5rem;
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -2.5px;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 500px;
    line-height: 1.7;
    font-weight: 400;
}

/* Action Buttons */
.action-buttons {
    display: flex;
}

.btn {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1rem 2rem;
    border-radius: 100px;
    transition: var(--transition);
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 10px 30px -10px rgba(139, 92, 246, 0.5);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0) 100%);
    border-radius: 100px;
    opacity: 0;
    transition: var(--transition);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px -10px rgba(139, 92, 246, 0.7);
}

.btn-primary:active {
    transform: translateY(1px);
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.btn-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.15rem;
    line-height: 1.1;
}

.btn-subtitle {
    font-size: 0.8rem;
    opacity: 0.9;
    font-weight: 500;
}

/* Hero Visual & Mockup Stack */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    min-height: 500px;
}

.mockup-stack {
    position: relative;
    width: 100%;
    max-width: 500px;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.mockup-container {
    position: absolute;
    border-radius: 20px;
    padding: 8px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.6);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.mockup-back {
    width: 45%;
    z-index: 2;
    transform: perspective(1000px) rotateY(-15deg) rotateX(5deg) translateZ(-50px) translateX(50%) translateY(-10%);
    opacity: 0.7;
}

.mockup-front {
    width: 80%;
    z-index: 3;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg) translateZ(50px) translateX(-15%) translateY(10%);
}

.mockup-stack:hover .mockup-back {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) translateZ(-20px) translateX(60%) translateY(-15%);
    opacity: 1;
}

.mockup-stack:hover .mockup-front {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) translateZ(20px) translateX(-25%) translateY(15%);
}

.app-mockup-img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    display: block;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: var(--primary-gradient);
    filter: blur(100px);
    opacity: 0.3;
    z-index: 1;
    border-radius: 50%;
}

/* Divider */
.divider {
    height: 1px;
    width: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    margin: 4rem 0;
}

/* Features Grid */
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    width: 100%;
    padding-bottom: 6rem;
}

.feature-card {
    padding: 2.5rem;
    border-radius: 24px;
    text-align: left;
    transition: var(--transition);
    border: 1px solid var(--card-border);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    background: var(--card-hover-bg);
    border-color: var(--card-hover-border);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px -20px rgba(0,0,0,0.5);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon-wrapper {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.05);
    margin-bottom: 1.5rem;
    color: #a78bfa;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.feature-card:hover .feature-icon-wrapper {
    background: var(--primary-gradient);
    color: white;
    transform: scale(1.1);
}

.feature-icon {
    width: 28px;
    height: 28px;
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
    color: #fff;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

/* Footer */
.footer {
    text-align: center;
    padding: 3rem 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    margin-top: auto;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero {
        gap: 2rem;
    }
    
    .hero-headline {
        font-size: 4rem;
    }
    
    .features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 4rem 0;
        gap: 4rem;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .badge {
        margin-left: auto;
        margin-right: auto;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
}