/* Root Variables */
:root {
    --primary-color: #0066cc;
    --secondary-color: #ff6b35;
    --accent-color: #ffd700;
    --dark-bg: #0f0f0f;
    --light-bg: #ffffff;
    --dark-text: #1a1a1a;
    --light-text: #f5f5f5;
    --card-bg: #f9f9f9;
    --border-color: #e0e0e0;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --transition: 0.3s ease;
}

/* Dark Mode */
body.dark-mode {
    --dark-bg: #1a1a1a;
    --light-bg: #2d2d2d;
    --dark-text: #f5f5f5;
    --light-text: #0f0f0f;
    --card-bg: #333333;
    --border-color: #444444;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--light-bg);
    color: var(--dark-text);
    line-height: 1.6;
    transition: background-color var(--transition), color var(--transition);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background-color: var(--light-bg);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: all var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-link {
    color: var(--dark-text);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition);
}

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

.dark-mode-btn {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    transition: transform var(--transition);
}

.dark-mode-btn:hover {
    transform: scale(1.2);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--dark-text);
    border-radius: 2px;
    transition: all var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 56px;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 24px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--dark-text);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border-color: white;
}

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

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

.floating-shape {
    position: absolute;
    opacity: 0.1;
    border-radius: 50%;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: white;
    top: -50px;
    right: -50px;
    animation: float 6s ease-in-out infinite;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: white;
    bottom: -50px;
    left: -50px;
    animation: float 8s ease-in-out infinite;
    animation-delay: 2s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    background: white;
    top: 50%;
    left: 50%;
    animation: float 10s ease-in-out infinite;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(30px);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 42px;
    text-align: center;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.section-subtitle {
    font-size: 18px;
    text-align: center;
    color: #666;
    margin-bottom: 50px;
}

body.dark-mode .section-subtitle {
    color: #aaa;
}

/* About Section */
.about {
    background-color: var(--light-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 50px;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.8;
    color: #555;
}

body.dark-mode .about-text p {
    color: #ccc;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
}

.stat {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
}

.stat-number {
    font-size: 32px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-label {
    color: #666;
    font-size: 14px;
}

body.dark-mode .stat-label {
    color: #aaa;
}

/* Interests Section */
.interests {
    background-color: var(--card-bg);
}

.interests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.interest-card {
    background-color: var(--light-bg);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all var(--transition);
    border: 2px solid transparent;
}

.interest-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.2);
}

.interest-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.interest-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--dark-text);
}

.interest-card p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

body.dark-mode .interest-card p {
    color: #aaa;
}

/* Blog Preview Section */
.blog-preview {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.blog-preview .section-title {
    color: var(--accent-color);
}

.blog-preview .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.blog-teaser {
    margin-top: 50px;
}

.coming-soon {
    background: rgba(255, 255, 255, 0.1);
    padding: 40px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.coming-soon p {
    font-size: 20px;
    margin-bottom: 20px;
}

.coming-soon ul {
    list-style: none;
    padding-left: 0;
}

.coming-soon li {
    padding: 12px 0;
    padding-left: 30px;
    position: relative;
    font-size: 16px;
}

.coming-soon li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* Contact Section */
.contact {
    background-color: var(--light-bg);
    text-align: center;
}

.contact-links {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 40px;
}

.contact-btn {
    padding: 12px 30px;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all var(--transition);
}

.contact-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Footer */
.footer {
    background-color: var(--dark-bg);
    color: var(--light-text);
    text-align: center;
    padding: 30px 0;
    border-top: 1px solid var(--border-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        gap: 20px;
        font-size: 14px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 32px;
    }

    .interest-card {
        padding: 20px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 600px) {
    .nav-menu {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .nav-menu.active {
        display: flex;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--light-bg);
        flex-direction: column;
        padding: 20px;
        gap: 10px;
    }

    .hero {
        min-height: 400px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    section {
        padding: 40px 0;
    }

    .section-title {
        font-size: 24px;
    }

    .interests-grid {
        grid-template-columns: 1fr;
    }
}