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

:root {
    --bg-dark: #0a0a0a;
    --bg-darker: #050505;
    --accent: #d4af37;
    --accent-hover: #f4cf47;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Background Animation */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 50%, #1a1a1a 100%);
    overflow: hidden;
}

.background-animation::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    top: -250px;
    right: -250px;
    animation: float 20s ease-in-out infinite;
}

.background-animation::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.08) 0%, transparent 70%);
    bottom: -200px;
    left: -200px;
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(30px, -30px) rotate(120deg);
    }
    66% {
        transform: translate(-20px, 20px) rotate(240deg);
    }
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 2rem;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--card-border);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--accent);
    letter-spacing: 2px;
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        text-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
    }
    to {
        text-shadow: 0 0 20px rgba(212, 175, 55, 0.8), 0 0 30px rgba(212, 175, 55, 0.4);
    }
}

.contact-btn {
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
    padding: 0.7rem 2rem;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 4px;
    font-weight: 500;
}

.contact-btn:hover {
    background: var(--accent);
    color: var(--bg-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 8rem 2rem 4rem;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 4rem 0;
    margin-bottom: 4rem;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 300;
    margin-bottom: 1rem;
    letter-spacing: 3px;
}

.hero .subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    font-weight: 300;
}

/* Animations */
.fade-in {
    animation: fadeIn 1s ease-in;
}

.fade-in-delay {
    animation: fadeIn 1s ease-in 0.3s both;
}

.slide-in {
    animation: slideIn 0.8s ease-out;
}

.slide-in-delay {
    animation: slideIn 0.8s ease-out 0.2s both;
}

.slide-in-delay-2 {
    animation: slideIn 0.8s ease-out 0.4s both;
}

.slide-in-delay-3 {
    animation: slideIn 0.8s ease-out 0.6s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Info Section */
.info-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.info-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.1);
}

.info-card h2 {
    color: var(--accent);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-weight: 400;
}

.info-content p {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 1rem;
}

.info-content strong {
    color: var(--text-primary);
}

.info-interests {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--card-border);
}

.info-interests h3 {
    color: var(--accent);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    font-weight: 400;
}

.info-interests p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 0;
    line-height: 1.5;
}

/* Activities */
.activities {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.activity-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.activity-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.activity-item h3 {
    color: var(--accent);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    font-weight: 500;
}

.activity-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Side Project Section */
.side-project-section {
    margin-bottom: 4rem;
}

.section-title {
    color: var(--accent);
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
}

.side-project-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.side-project-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.1);
}

.lineafine-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.checkbox {
    font-size: 1.5rem;
}

.lineafine-title-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.lineafine-title-group h3 {
    font-size: 1.8rem;
    font-weight: 400;
    color: var(--text-primary);
    margin: 0;
}

.lineafine-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 300;
}

.lineafine-tagline {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-style: italic;
}

.lineafine-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.link-btn {
    display: inline-block;
    padding: 0.7rem 1.5rem;
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.link-btn:hover {
    background: var(--accent);
    color: var(--bg-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

/* App Section */
.app-section {
    margin-bottom: 4rem;
}

.app-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.app-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.1);
}

.app-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.app-icon {
    font-size: 2rem;
}

.app-title-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.app-title-group h3 {
    font-size: 1.8rem;
    font-weight: 400;
    color: var(--text-primary);
    margin: 0;
}

.app-version {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 300;
}

.app-tagline {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-style: italic;
}

.app-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Contact Overlay */
.contact-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    animation: fadeIn 0.3s ease;
}

.contact-overlay.active {
    display: flex;
}

.contact-modal {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 2.5rem;
    max-width: 500px;
    width: 90%;
    position: relative;
    animation: slideUp 0.3s ease;
    backdrop-filter: blur(20px);
}

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

.close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 2rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(90deg);
}

.contact-modal h2 {
    color: var(--accent);
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    font-weight: 400;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.08);
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background: var(--accent);
    border: none;
    color: var(--bg-dark);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

.submit-btn:active {
    transform: translateY(0);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.success-message {
    background: rgba(76, 175, 80, 0.1);
    border: 1px solid rgba(76, 175, 80, 0.3);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
    animation: fadeIn 0.3s ease;
}

.success-message p {
    color: #4caf50;
    font-size: 1.1rem;
    margin: 0;
    font-weight: 500;
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid var(--card-border);
    margin-top: 4rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero .subtitle {
        font-size: 1.2rem;
    }

    .container {
        padding: 6rem 1rem 2rem;
    }

    .info-section {
        grid-template-columns: 1fr;
    }

    .lineafine-links {
        flex-direction: column;
    }

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

    .contact-modal {
        padding: 2rem 1.5rem;
    }
}