/* 
   Modern CSS with a design system completely different from previous sites
   Blue and purple gradient theme with clean lines and fluid transitions
*/

:root {
    /* Core color palette - blue/purple theme */
    --primary: #3498DB;
    --secondary: #9B59B6;
    --accent: #2ECC71;
    --dark: #2C3E50;
    --light: #ECF0F1;
    --background: #F9FAFC;
    --text: #34495E;
    --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
    
    /* Spacing system */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
    
    /* Typography scale */
    --font-sm: 0.875rem;
    --font-base: 1rem;
    --font-md: 1.25rem;
    --font-lg: 1.5rem;
    --font-xl: 2rem;
    --font-xxl: 3rem;
    
    /* UI elements */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

/* Base Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

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

/* Layout */
.page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

img, svg {
    max-width: 100%;
    display: block;
}

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

a:hover {
    color: var(--secondary);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-sm);
    color: var(--dark);
}

h1 {
    font-size: var(--font-xxl);
    margin-bottom: var(--space-md);
}

h1 span {
    color: var(--secondary);
}

h2 {
    font-size: var(--font-xl);
    position: relative;
    display: inline-block;
    margin-bottom: var(--space-lg);
}

h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    height: 4px;
    width: 60px;
    background: var(--gradient);
    border-radius: 2px;
}

h3 {
    font-size: var(--font-lg);
}

p {
    margin-bottom: var(--space-md);
}

/* Header & Navigation */
header {
    background-color: white;
    box-shadow: var(--shadow-sm);
    padding: var(--space-sm) var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo span {
    font-weight: 700;
    font-size: var(--font-md);
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

nav {
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--space-md);
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: var(--transition);
}

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

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

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
}

.bar {
    height: 3px;
    width: 100%;
    background-color: var(--dark);
    border-radius: 10px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    padding: var(--space-xl) var(--space-lg);
    position: relative;
    overflow: hidden;
    background-color: white;
}

.hero-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    z-index: 1;
}

.hero-content p {
    font-size: var(--font-md);
    max-width: 500px;
    margin-bottom: var(--space-md);
}

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

.wave-pattern {
    width: 100%;
    height: 100%;
}

/* Button styles */
.cta-button {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    background: var(--gradient);
    color: white;
    font-weight: 600;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
    margin-top: var(--space-xs);
    align-self: flex-start;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.secondary-button {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    background: transparent;
    color: var(--primary);
    font-weight: 600;
    border: 2px solid var(--primary);
    border-radius: var(--radius-md);
    transition: var(--transition);
    text-align: center;
}

.secondary-button:hover {
    background: var(--primary);
    color: white;
}

.link-button {
    display: inline-flex;
    align-items: center;
    color: var(--primary);
    font-weight: 600;
    transition: var(--transition);
}

.link-button:hover {
    color: var(--secondary);
}

.glow-button {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    background: var(--gradient);
    color: white;
    font-weight: 600;
    border-radius: var(--radius-md);
    box-shadow: 0 0 15px rgba(52, 152, 219, 0.7);
    transition: var(--transition);
    text-align: center;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(52, 152, 219, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(52, 152, 219, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(52, 152, 219, 0);
    }
}

/* Explore Section */
.explore-section {
    padding: var(--space-xl) var(--space-lg);
    text-align: center;
    background-color: var(--background);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.content-card {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--space-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.content-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.card-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--space-sm);
}

.feature-highlight {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
    align-items: center;
    text-align: left;
}

.feature-content {
    padding: var(--space-md);
}

.feature-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.tech-graphic {
    max-width: 100%;
    height: auto;
}

/* Trending Section */
.trending-section {
    padding: var(--space-xl) var(--space-lg);
    text-align: center;
    background-color: white;
}

.trending-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-md);
}

.trending-card {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    background: var(--background);
}

.trending-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.trending-visual {
    height: 200px;
    width: 100%;
}

.trending-visual svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.trending-content {
    padding: var(--space-md);
    text-align: left;
}

.trending-content h3 {
    margin-bottom: var(--space-xs);
}

.trending-content p {
    margin-bottom: var(--space-sm);
    color: var(--text);
}

/* About Section */
.about-section {
    padding: var(--space-xl) var(--space-lg);
    background-color: var(--background);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    margin-bottom: var(--space-md);
}

/* CTA Section */
.cta-section {
    background: var(--gradient);
    padding: var(--space-lg) var(--space-md);
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    color: white;
    margin-bottom: var(--space-sm);
}

.cta-content h2::after {
    display: none;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-md);
}

.cta-content .glow-button {
    background: white;
    color: var(--primary);
}

/* Footer */
footer {
    background-color: var(--dark);
    color: white;
    padding: var(--space-lg) var(--space-md) var(--space-md);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.footer-logo {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-icon {
    width: 50px;
    height: 50px;
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
}

.link-group h3 {
    color: white;
    margin-bottom: var(--space-md);
    font-size: var(--font-md);
    position: relative;
}

.link-group h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    height: 2px;
    width: 30px;
    background: var(--gradient);
}

.link-group ul {
    list-style: none;
}

.link-group li {
    margin-bottom: var(--space-xs);
}

.link-group a {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-sm);
    transition: var(--transition);
}

.link-group a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: var(--font-sm);
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 992px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .feature-highlight {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .feature-content {
        order: 1;
    }
    
    .feature-visual {
        order: 0;
    }
}

@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding: var(--space-lg) var(--space-md);
    }
    
    .hero-content {
        order: 1;
    }
    
    .hero-visual {
        order: 0;
        margin-bottom: var(--space-md);
    }
    
    .cta-button {
        align-self: center;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .menu-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 6px);
    }
    
    .menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -6px);
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        width: 100%;
        background: white;
        padding: var(--space-lg) 0;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow-md);
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .footer-top {
        flex-direction: column;
    }
    
    .footer-logo {
        align-items: center;
    }
    
    .footer-links {
        width: 100%;
        justify-content: space-around;
    }
}

@media (max-width: 576px) {
    .card-grid,
    .trending-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--space-lg);
        align-items: center;
        text-align: center;
    }
    
    .link-group h3::after {
        left: 50%;
        transform: translateX(-50%);
    }
}