/* =========================================================================
   BASE STYLES & VARIABLES
   ========================================================================= */
   :root {
    /* Colors */
    --bg-color: #050505;
    --bg-alt: #0a0a0a;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    
    --primary-color: #3b82f6;
    --primary-glow: rgba(59, 130, 246, 0.5);
    
    --secondary-color: #8b5cf6;
    --secondary-glow: rgba(139, 92, 246, 0.5);
    
    --accent-color: #ec4899;
    --success-color: #10b981;
    --danger-color: #ef4444;
    
    /* Layout */
    --container-max: 1200px;
    --nav-height: 80px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    
    /* Effects */
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-hover: rgba(255, 255, 255, 0.06);
    --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.1);
    --nav-scrolled-bg: rgba(5, 5, 5, 0.8);
}

[data-theme="light"] {
    --bg-color: #ffffff;
    --bg-alt: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #64748b;
    
    --primary-glow: rgba(59, 130, 246, 0.3);
    --secondary-glow: rgba(139, 92, 246, 0.3);

    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.05);
    --glass-hover: rgba(255, 255, 255, 0.9);
    --shadow-glow: 0 4px 20px rgba(0, 0, 0, 0.05);
    --nav-scrolled-bg: rgba(255, 255, 255, 0.85);
}

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

html {
    scroll-behavior: smooth;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: 100px 0;
}

/* =========================================================================
   TYPOGRAPHY
   ========================================================================= */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

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

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

/* =========================================================================
   COMPONENTS
   ========================================================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.125rem;
    border-radius: var(--radius-md);
}

.btn-block {
    width: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-glow);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text-main);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: var(--glass-hover);
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--glass-border);
}
.btn-outline:hover {
    background: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.2);
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-glow);
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    background: rgba(59, 130, 246, 0.1);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.2);
    margin-bottom: 24px;
}

/* =========================================================================
   NAVIGATION
   ========================================================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    z-index: 1000;
    background: transparent;
    transition: var(--transition);
}

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

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo i {
    color: var(--primary-color);
    font-size: 2rem;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-muted);
}

.nav-links a:hover {
    color: var(--text-main);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.theme-btn {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition);
}

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

.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
}

/* =========================================================================
   HERO SECTION
   ========================================================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
    overflow: hidden;
}

.hero-bg-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    top: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: var(--primary-color);
}

.shape-2 {
    bottom: 10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: var(--secondary-color);
    animation-delay: -5s;
}

.shape-3 {
    top: 40%;
    left: 50%;
    width: 300px;
    height: 300px;
    background: var(--accent-color);
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -50px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 4rem;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

/* Mockup UI */
.main-panel {
    padding: 24px;
    width: 100%;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.5s ease;
}

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

.mockup-header {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
}

.skeleton {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    animation: pulse 2s infinite ease-in-out;
}

@keyframes pulse {
    0% { opacity: 0.5; }
    50% { opacity: 1; }
    100% { opacity: 0.5; }
}

.skeleton.banner {
    height: 120px;
    border-radius: var(--radius-md);
}

.skeleton.title {
    height: 32px;
    width: 60%;
}

.skeleton.line {
    height: 16px;
    width: 100%;
}

.skeleton.short {
    width: 80%;
}

.skeleton.btn-skel {
    height: 48px;
    width: 100%;
    border-radius: 100px;
    margin-top: 32px;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 32px 0 16px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    padding: 16px;
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stat-card i {
    font-size: 1.5rem;
}

.stat-card span {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.stat-card strong {
    font-size: 1.5rem;
}

/* =========================================================================
   FEATURES SECTION
   ========================================================================= */
.bg-alt {
    background-color: var(--bg-alt);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 255, 255, 0.15);
    background: var(--glass-hover);
}

.icon-wrapper {
    width: 60px;
    height: 60px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.icon-wrapper i {
    font-size: 2rem;
    color: var(--primary-color);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

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

/* =========================================================================
   PRICING SECTION
   ========================================================================= */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.pricing-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 40px 24px;
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    position: relative;
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.15);
}

.pricing-card.popular {
    background: linear-gradient(180deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
    border-color: rgba(139, 92, 246, 0.3);
    transform: scale(1.05);
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-5px);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 4px 16px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pricing-header {
    text-align: center;
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--glass-border);
}

.pricing-header h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.pricing-header p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 24px;
    min-height: 42px;
}

.price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 4px;
}

.currency {
    font-size: 1rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.amount {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
}

.period {
    font-size: 1rem;
    color: var(--text-muted);
    align-self: flex-end;
    margin-bottom: 6px;
}

.pricing-features {
    flex-grow: 1;
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 0.9375rem;
}

.pricing-features li i {
    color: var(--success-color);
    font-size: 1.25rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.pricing-features li.disabled {
    color: var(--text-muted);
    opacity: 0.5;
}

.pricing-features li.disabled i {
    color: var(--text-muted);
}

/* =========================================================================
   NOTE SECTION
   ========================================================================= */
.info-box {
    padding: 40px;
}

.info-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.info-header i {
    font-size: 2rem;
    color: var(--accent-color);
}

.info-header h3 {
    margin: 0;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.info-list li {
    position: relative;
    padding-left: 24px;
    color: var(--text-muted);
}

.info-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.info-list li strong {
    color: var(--text-main);
}

/* =========================================================================
   CTA SECTION
   ========================================================================= */
.cta-inner {
    text-align: center;
    padding: 80px 40px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.05));
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.cta-inner h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.cta-inner p {
    color: var(--text-muted);
    font-size: 1.125rem;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* =========================================================================
   FOOTER
   ========================================================================= */
.footer {
    border-top: 1px solid var(--glass-border);
    padding: 60px 0 24px;
    background-color: var(--bg-alt);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand p {
    color: var(--text-muted);
    line-height: 1.8;
    margin-top: 16px;
    max-width: 90%;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.125rem;
    margin-bottom: 24px;
    color: var(--text-main);
}

.footer-links,
.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a,
.footer-contact a {
    color: var(--text-muted);
    font-size: 0.9375rem;
}

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

.footer-contact a {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-contact a i {
    font-size: 1.25rem;
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* =========================================================================
   ANIMATIONS & EFFECTS
   ========================================================================= */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================================================
   RESPONSIVE DESIGN
   ========================================================================= */
@media (max-width: 1024px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-card.popular {
        transform: scale(1);
    }
    .pricing-card.popular:hover {
        transform: translateY(-5px);
    }
}

@media (max-width: 860px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 60px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-visual {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .features-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links, .nav-btn {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn-lg {
        width: 100%;
    }
}