:root {
    /* Premium Light Theme (Default) */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --accent-primary: #0ea5e9;
    --accent-secondary: #10b981;
    --gradient-brand: linear-gradient(135deg, #0ea5e9, #10b981);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.4);
    --card-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.05);
    --btn-shadow: 0 10px 25px -5px rgba(14, 165, 233, 0.3);
}

[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --accent-primary: #38bdf8;
    --accent-secondary: #34d399;
    --gradient-brand: linear-gradient(135deg, #38bdf8, #34d399);
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --card-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.3);
    --btn-shadow: 0 10px 25px -5px rgba(56, 189, 248, 0.3);
}

[data-theme="vibrant"] {
    --bg-primary: #fdf4ff;
    --bg-secondary: #ffffff;
    --text-primary: #4a044e;
    --text-secondary: #86198f;
    --accent-primary: #d946ef;
    --accent-secondary: #f43f5e;
    --gradient-brand: linear-gradient(135deg, #d946ef, #f43f5e, #fb923c);
    --glass-bg: rgba(255, 255, 255, 0.6);
    --glass-border: rgba(255, 255, 255, 0.8);
    --card-shadow: 0 20px 40px -10px rgba(217, 70, 239, 0.15);
    --btn-shadow: 0 10px 25px -5px rgba(217, 70, 239, 0.4);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.5s ease, color 0.5s ease;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 0.75rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: 0.5rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

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

.logo-img {
    height: 100px;
    width: auto;
    object-fit: contain;
}

.footer-logo {
    height: 80px;
    margin-bottom: 0.5rem;
    display: block;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background: var(--gradient-brand);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.theme-switcher select {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    padding: 0.5rem;
    border-radius: 8px;
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    outline: none;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-brand);
    color: white !important;
    box-shadow: var(--btn-shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px -5px rgba(0,0,0,0.2);
}

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

.btn-secondary:hover {
    background: var(--bg-secondary);
    transform: translateY(-2px);
}

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

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 8rem 2rem 4rem;
    gap: 4rem;
}

.hero-content {
    flex: 1;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-secondary);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

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

.hero-actions {
    display: flex;
    gap: 1rem;
}

.hero-image-wrapper {
    flex: 1;
    position: relative;
    perspective: 1000px;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 1rem;
    box-shadow: var(--card-shadow);
    transition: transform 0.5s ease;
}

.glass-card img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    display: block;
}

.hero-image-wrapper:hover .glass-card {
    transform: rotateY(-5deg) rotateX(5deg);
}

.floating-badge {
    position: absolute;
    background: var(--bg-secondary);
    padding: 1rem 1.5rem;
    border-radius: 16px;
    box-shadow: var(--card-shadow);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: float 6s ease-in-out infinite;
    z-index: 10;
}

.badge-1 {
    top: 10%;
    left: -10%;
    animation-delay: 0s;
}

.badge-2 {
    bottom: 10%;
    right: -10%;
    animation-delay: 3s;
}

.icon {
    font-size: 1.5rem;
}

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

/* Sections */
.section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Steps Grid */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step-card {
    background: var(--bg-secondary);
    padding: 2.5rem 2rem;
    border-radius: 24px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--glass-border);
    transition: transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

.step-card:hover {
    transform: translateY(-10px);
}

.step-number {
    font-size: 4rem;
    font-weight: 800;
    color: var(--accent-primary);
    opacity: 0.1;
    position: absolute;
    top: -10px;
    right: 10px;
    line-height: 1;
}

.step-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    position: relative;
}

/* Split Sections */
.split-section {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.split-section.reverse {
    flex-direction: row-reverse;
}

.split-content {
    flex: 1;
}

.split-image {
    flex: 1;
}

.feature-list {
    list-style: none;
    margin-top: 2rem;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.feature-icon {
    font-size: 2rem;
    background: var(--bg-secondary);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    box-shadow: var(--card-shadow);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.stat-card {
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
}

.stat-value {
    font-size: 2.5rem;
    color: var(--accent-primary);
    margin-bottom: 0.5rem;
}

/* Pricing */
.pricing-card {
    background: var(--bg-secondary);
    max-width: 500px;
    margin: 0 auto;
    padding: 3rem;
    border-radius: 32px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: var(--gradient-brand);
}

.pricing-badge {
    background: var(--accent-primary);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-plan {
    font-size: 1.5rem;
    margin: 1rem 0;
}

.price {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.price-strikethrough {
    font-size: 1.25rem;
    color: var(--text-secondary);
    text-decoration: line-through;
}

.price-amount {
    font-size: 3.5rem;
    font-weight: 800;
}

.price-period {
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    margin-bottom: 3rem;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.check {
    color: var(--accent-secondary);
    font-weight: bold;
}

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

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

/* Responsive */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 8rem;
    }
    
    .hero-subtitle {
        margin: 0 auto 2.5rem;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-image-wrapper {
        margin-top: 2rem;
    }

    .split-section, .split-section.reverse {
        flex-direction: column;
    }

    .nav-links {
        display: none;
    }
}