/* ==============================
   Design System & Tokens
   ============================== */
   :root {
    /* Colors */
    --bg-dark: #f4f7fa; /* Main Background */
    --bg-card: #ffffff;
    --bg-card-hover: #ffffff;
    --primary: #3b82f6; /* Vibrant Blue */
    --primary-glow: rgba(59, 130, 246, 0.3);
    --secondary: #0ea5e9;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --success: #10B981;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,1) 0%, rgba(255,255,255,0.9) 100%);
    
    /* Typography */
    --font-body: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
}

/* ==============================
   Global Styles
   ============================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 85% 30%, rgba(0, 240, 255, 0.15) 0%, transparent 50%);
    background-attachment: fixed;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

.text-green { color: var(--success); }
.full-width { width: 100%; display: block; text-align: center; }

/* ==============================
   Typography & Utilities
   ============================== */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
}

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

.glass-card {
    background: var(--bg-card);
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), 
                box-shadow 0.4s ease, 
                background 0.4s ease;
}

.glass-card:hover {
    transform: translateY(-10px);
    background: var(--bg-card-hover);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

/* ==============================
   Buttons
   ============================== */
.btn-primary, .btn-secondary, .btn-outline {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 600;
    font-family: var(--font-heading);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 15px var(--primary-glow);
    border: none;
}

.btn-primary:hover {
    box-shadow: 0 6px 25px var(--primary-glow);
    transform: translateY(-2px);
}

.btn-secondary {
    background: #ffffff;
    color: var(--text-main);
    border: 1px solid #e2e8f0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.btn-secondary:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
}

.btn-outline {
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--bg-dark);
}

/* ==============================
   Navigation
   ============================== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    padding: 15px 0;
    border-bottom: 1px solid #e2e8f0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    font-family: var(--font-heading);
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a:not(.btn-outline) {
    color: var(--text-main);
    font-weight: 500;
    position: relative;
}

.nav-links a:not(.btn-outline)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.nav-links a:not(.btn-outline):hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

/* ==============================
   Hero Section
   ============================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 20px 40px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.hero-btns {
    display: flex;
    gap: 20px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-image::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: var(--secondary);
    filter: blur(100px);
    opacity: 0.3;
    z-index: -1;
    animation: pulseBg 6s infinite alternate;
}

@keyframes pulseBg {
    0% { transform: scale(1); opacity: 0.2; }
    100% { transform: scale(1.2); opacity: 0.4; }
}

.glass-mockup {
    width: 350px;
    background: var(--gradient-glass);
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.1);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

.mockup-header {
    display: flex;
    gap: 8px;
    margin-bottom: 30px;
}

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

.dot.red { background: #FF5F56; }
.dot.yellow { background: #FFBD2E; }
.dot.green { background: #27C93F; }

.mockup-body {
    text-align: center;
    padding: 20px 0;
}

.mockup-body h3 {
    margin-bottom: 20px;
}

.status-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.2);
    border: 2px solid var(--success);
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    color: var(--success);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
}

.pulse {
    animation: pulseRing 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulseRing {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    70% { box-shadow: 0 0 0 20px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* ==============================
   Sections Common
   ============================== */
section {
    padding: 100px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.section-title p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* ==============================
   Services Section
   ============================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    text-align: center;
}

.icon-wrapper {
    width: 70px;
    height: 70px;
    border-radius: 20px;
    background: rgba(0, 240, 255, 0.1);
    color: var(--primary);
    font-size: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    transition: all 0.3s ease;
}

.service-card:hover .icon-wrapper {
    background: var(--primary);
    color: var(--bg-dark);
    transform: rotate(10deg) scale(1.1);
}

.service-card h3 {
    margin-bottom: 15px;
    font-size: 1.4rem;
}

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

/* ==============================
   Pricing Section
   ============================== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    align-items: center;
}

.pricing-card {
    position: relative;
    padding: 40px 30px;
}

.pricing-card.popular {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary);
    transform: scale(1.05);
}

.pricing-card.popular:hover {
    transform: scale(1.08) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.plan-name {
    font-size: 1.2rem;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 10px;
}

.plan-price {
    font-size: 2.5rem;
    font-weight: 800;
    font-family: var(--font-heading);
    text-align: center;
    margin-bottom: 30px;
}

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

.plan-features {
    margin-bottom: 40px;
}

.plan-features li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ==============================
   Footer
   ============================== */
footer {
    border-top: 1px solid #e2e8f0;
    padding: 60px 20px 20px;
    background: #ffffff;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary);
}

.footer-brand p {
    color: var(--text-muted);
}

.footer-links h4, .footer-contact h4 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-links a {
    display: block;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-contact p {
    color: var(--text-muted);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ==============================
   Responsive
   ============================== */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 120px;
    }
    
    .hero-content {
        margin-bottom: 60px;
    }
    
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .hero-btns {
        justify-content: center;
    }
    
    .pricing-card.popular {
        transform: scale(1);
    }
    
    .pricing-card.popular:hover {
        transform: translateY(-10px);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(15px);
        flex-direction: column;
        padding: 20px 0;
        border-bottom: 1px solid #e2e8f0;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .hamburger {
        display: block;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
}