:root {
    --bg-color: #050b14;
    --bg-secondary: #0c1627;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    
    /* Gradients & Accents */
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-teal: #06b6d4;
    --gradient-primary: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    
    /* Glassmorphism */
    --glass-bg: rgba(15, 23, 42, 0.4);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    
    /* Spacing & Sizes */
    --container-width: 1200px;
    --container-sm: 800px;
    --nav-height: 80px;

    /* Transition */
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: var(--text-primary);
}

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

/* Base Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.container-sm {
    max-width: var(--container-sm);
}

/* Background Glowing Orbs */
.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    opacity: 0.4;
    animation: float 20s infinite ease-in-out alternate;
}

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

.orb-2 {
    top: 30%;
    right: -150px;
    width: 500px;
    height: 500px;
    background: var(--accent-purple);
    animation-delay: -5s;
}

.orb-3 {
    bottom: -200px;
    left: 20%;
    width: 600px;
    height: 600px;
    background: var(--accent-teal);
    opacity: 0.2;
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translateY(0) scale(1); }
    100% { transform: translateY(50px) scale(1.1); }
}

/* Glass Card Global Modifier */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: var(--glass-shadow);
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.6);
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: white;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--glass-border);
    color: white;
}

.btn-outline:hover {
    border-color: var(--accent-purple);
    background: rgba(139, 92, 246, 0.1);
    transform: translateY(-2px);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: 100;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
}

.navbar.scrolled {
    background: rgba(5, 11, 20, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    height: 70px;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    display: inline-flex;
    align-items: center;
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.5rem;
    gap: 8px;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a:not(.btn) {
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
    font-size: 0.95rem;
}

.nav-links a:not(.btn):hover {
    color: var(--text-primary);
}

.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
    padding-bottom: 4rem;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

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

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    border-radius: 100px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: var(--accent-purple);
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.hero-tech {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.hero-tech p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tech-logos {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    font-family: 'Outfit', sans-serif;
    color: rgba(255, 255, 255, 0.7);
}

.tech-logos .dot {
    color: var(--accent-purple);
    font-size: 1.5rem;
    line-height: 0;
}

/* Mockup Card (Visual) */
.mockup-card {
    padding: 0;
    overflow: hidden;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.5s ease;
}

.mockup-card:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.mockup-header {
    background: rgba(255,255,255,0.02);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
}

.window-dots {
    display: flex;
    gap: 8px;
}

.window-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.mockup-title {
    margin: 0 auto;
    font-family: 'Inter', monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.mockup-body {
    padding: 2.5rem 2rem;
}

.link-simulation {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.long-url-box, .short-url-box {
    background: rgba(0,0,0,0.3);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--glass-border);
}

.long-url-box .label, .short-url-box .label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.long-url-box code, .short-url-box code {
    display: block;
    font-family: monospace;
    color: var(--text-primary);
    word-break: break-all;
    font-size: 0.9rem;
}

.short-url-box {
    background: rgba(139, 92, 246, 0.05);
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.short-url-box code {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.1rem;
    font-weight: 700;
}

.copy-btn {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-family: 'Outfit';
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.copy-btn:hover {
    transform: scale(1.05);
}

.arrow-down {
    display: flex;
    justify-content: center;
    color: var(--accent-teal);
    animation: bounceDown 2s infinite;
}

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

/* Sections Global */
section {
    padding: 6rem 0;
    position: relative;
}

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

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

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

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    padding: 2.5rem;
    transition: var(--transition-smooth);
}

.feature-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(59, 130, 246, 0.3);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: rgba(59, 130, 246, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-blue);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-secondary);
}

/* How It Works */
.steps-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: relative;
}

.step-item {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.step-number {
    width: 60px;
    height: 60px;
    min-width: 60px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    font-family: 'Outfit';
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.4);
    z-index: 2;
}

.step-content {
    flex: 1;
    padding: 2rem;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--text-secondary);
}

.step-line {
    background: linear-gradient(to bottom, var(--accent-purple), transparent);
    width: 2px;
    height: 40px;
    margin-left: 29px;
    opacity: 0.5;
}

/* Call to action */
.cta-box {
    text-align: center;
    padding: 5rem 3rem;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.4) 0%, rgba(30, 58, 138, 0.2) 100%);
    border: 1px solid var(--glass-border);
}

.cta-box h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cta-box p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

/* Footer */
.footer {
    border-top: 1px solid var(--glass-border);
    padding: 4rem 0 0 0;
    background: var(--bg-secondary);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-col h4 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.footer-col p {
    color: var(--text-secondary);
    margin-top: 1rem;
    max-width: 300px;
}

.footer-col a {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    transition: var(--transition-smooth);
}

.footer-col a:hover {
    color: var(--accent-blue);
    transform: translateX(5px);
}

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

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

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Reponsive Design */
@media screen and (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-content {
        align-items: center;
    }
    .hero-subtitle {
        max-width: 100%;
    }
    .hero-title {
        font-size: 3rem;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .step-item {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    .step-line {
        display: none;
    }
}

@media screen and (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-color);
        padding: 2rem;
        border-bottom: 1px solid var(--glass-border);
    }
    .nav-links.active {
        display: flex;
    }
    .mobile-menu-btn {
        display: block;
    }
    .hero-title {
        font-size: 2.5rem;
    }
    .cta-buttons {
        flex-direction: column;
    }
}