/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1e3a5f;
    --primary-dark: #0f1f33;
    --primary-light: #2d4a6b;
    --accent-color: #4a90a4;
    --accent-dark: #3a7080;
    --text-primary: #1a1a1a;
    --text-secondary: #4a5568;
    --text-light: #718096;
    --bg-primary: #ffffff;
    --bg-secondary: #f7f8fa;
    --bg-tertiary: #edf2f7;
    --bg-dark: #0a1628;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    font-weight: 400;
    letter-spacing: -0.01em;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.nav-brand {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-brand-icon {
    color: var(--accent-color);
    flex-shrink: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a1628 0%, #1e3a5f 50%, #2d4a6b 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(74, 144, 164, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(74, 144, 164, 0.08) 0%, transparent 50%);
    opacity: 1;
}

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

.hero-title {
    font-size: clamp(2rem, 4.5vw, 3.5rem);
    font-weight: 600;
    margin-bottom: 2rem;
    line-height: 1.3;
    letter-spacing: -0.03em;
}

.greeting {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
    opacity: 0.85;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-color);
}

.name {
    display: block;
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 700;
    margin: 0.5rem 0;
    font-family: 'Playfair Display', serif;
    letter-spacing: -0.02em;
}

.title {
    display: block;
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    font-weight: 400;
    margin-top: 1rem;
    opacity: 0.9;
    line-height: 1.6;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-description {
    font-size: clamp(1rem, 1.25vw, 1.125rem);
    max-width: 700px;
    margin: 0 auto 3rem;
    opacity: 0.88;
    line-height: 1.75;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.btn-primary:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.social-links {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.social-link {
    color: white;
    transition: transform 0.3s ease;
    opacity: 0.9;
}

.social-link:hover {
    transform: translateY(-3px);
    opacity: 1;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    opacity: 0.7;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 1.5px solid rgba(255, 255, 255, 0.6);
    border-radius: 12px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 8px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-title {
    font-size: clamp(2rem, 3vw, 2.75rem);
    font-weight: 600;
    text-align: center;
    margin-bottom: 4rem;
    color: var(--text-primary);
    position: relative;
    letter-spacing: -0.02em;
    font-family: 'Playfair Display', serif;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 2px;
    background: var(--accent-color);
    border-radius: 1px;
}

/* About Section */
.about {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}

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

.about-text p {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    margin-bottom: 1.75rem;
    line-height: 1.85;
    font-weight: 400;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--bg-primary);
    border-radius: 0.375rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.stat-item:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-sm);
}

.stat-number {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-family: 'Playfair Display', serif;
}

.stat-label {
    color: var(--text-light);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
}

/* Skills Section */
.skills {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: var(--bg-primary);
    padding: 2.5rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.skill-category:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-sm);
}

.skill-category-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.skill-name {
    font-weight: 500;
    color: var(--text-primary);
}

.skill-bar {
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--accent-color);
    border-radius: 4px;
    animation: slideIn 1s ease;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    font-size: 0.8125rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
    font-weight: 500;
}

.skill-tag:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Projects Section */
.projects {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 0;
}

.projects-hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.projects-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(74, 144, 164, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(74, 144, 164, 0.1) 0%, transparent 50%);
    opacity: 1;
}

.projects-hero-content {
    text-align: center;
    z-index: 1;
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.projects-hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    font-family: 'Playfair Display', serif;
    letter-spacing: -0.02em;
}

.projects-hero-description {
    font-size: clamp(1.125rem, 1.5vw, 1.375rem);
    margin-bottom: 2.5rem;
    opacity: 0.95;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.95);
}

.projects-hero-button {
    font-size: 1.125rem;
    padding: 1rem 2.5rem;
    background: white;
    color: var(--primary-color);
    border: 2px solid white;
}

.projects-hero-button:hover {
    background: transparent;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* Interests Section */
.interests {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.interests-description {
    text-align: center;
    font-size: 1.0625rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 3.5rem;
    line-height: 1.75;
}

.interests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.interest-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    text-align: center;
}

.interest-card:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.interest-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    transition: all 0.3s ease;
}

.interest-card:hover .interest-icon {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.interest-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-family: 'Playfair Display', serif;
}

.interest-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin: 0;
}

.interest-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.interest-card-link:hover {
    text-decoration: none;
}

.read-more {
    display: block;
    margin-top: 0.75rem;
    color: var(--accent-color);
    font-weight: 500;
    font-size: 0.875rem;
}

.interest-card-link:hover .read-more {
    color: var(--primary-color);
}

/* Practices & Integrations Section */
.practices {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}

.practices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.practice-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    text-align: center;
}

.practice-card:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.practice-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    transition: all 0.3s ease;
}

.practice-card:hover .practice-icon {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.practice-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-family: 'Playfair Display', serif;
}

.practice-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin: 0;
}

/* Contact Section */
.contact {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}

.contact-description {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 3rem;
}

.contact-content {
    display: flex;
    justify-content: center;
    max-width: 800px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

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

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    flex-shrink: 0;
}

.contact-item h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.contact-item a,
.contact-item p {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: var(--accent-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group input,
.form-group textarea {
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 164, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-message {
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.9375rem;
    line-height: 1.6;
    display: none;
}

.form-message:not(:empty) {
    display: block;
}

.form-message-success {
    background: #d1fae5;
    border: 1px solid #6ee7b7;
    color: #065f46;
}

.form-message-error {
    background: #fee2e2;
    border: 1px solid #fca5a5;
    color: #991b1b;
}

.button-loader {
    display: inline-block;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-color);
}

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

@keyframes slideIn {
    from {
        width: 0;
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(15px);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-md);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

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

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

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

    .section-title {
        font-size: 2rem;
    }

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

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

    .projects-hero {
        min-height: 50vh;
    }

    .projects-hero-content {
        padding: 3rem 1.5rem;
    }

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

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

    .contact-content {
        grid-template-columns: 1fr;
    }

    .footer .container {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 1rem;
    }
}