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

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --text: #1f2937;
    --text-light: #6b7280;
    --bg: #ffffff;
    --bg-alt: #f9fafb;
    --border: #e5e7eb;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: color 0.2s;
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: 0.3s;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 20px 40px;
    background: linear-gradient(135deg, #f0f4ff 0%, #ffffff 100%);
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 16px;
}

.highlight {
    color: var(--primary);
}

.tagline {
    font-size: 1.5rem;
    color: var(--text-light);
    margin-bottom: 12px;
}

.intro {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 32px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    padding: 14px 32px;
    background: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: background 0.2s, transform 0.2s;
}

.cta-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Sections */
.section {
    padding: 80px 0;
}

.section h2 {
    font-size: 2rem;
    margin-bottom: 40px;
    text-align: center;
}

.about {
    background: var(--bg);
}

.about-content {
    max-width: 700px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 16px;
}

/* History */
.history {
    background: var(--bg-alt);
}

.timeline {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 32px;
    padding-left: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px 24px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.timeline-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -34px;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: var(--primary);
    border-radius: 50%;
    border: 3px solid var(--bg-alt);
}

.timeline-logo {
    width: 56px;
    height: 56px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-alt);
    overflow: hidden;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.timeline-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 8px;
}

.goose-logo img {
    object-fit: cover;
    padding: 0;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-date {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 4px;
}

.timeline-content h3 {
    font-size: 1.1rem;
    margin-bottom: 2px;
}

.timeline-content p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Skills */
.skills {
    background: var(--bg-alt);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.skill-card {
    background: var(--bg);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: transform 0.2s, box-shadow 0.2s;
}

.skill-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.skill-card h3 {
    font-size: 1.2rem;
    margin-bottom: 16px;
    color: var(--primary);
}

.skill-card ul {
    list-style: none;
}

.skill-card li {
    padding: 8px 0;
    color: var(--text-light);
    border-bottom: 1px solid var(--border);
}

.skill-card li:last-child {
    border-bottom: none;
}

/* Projects */
.projects {
    background: var(--bg);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.project-card {
    background: var(--bg-alt);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: transform 0.2s, box-shadow 0.2s;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.project-info {
    padding: 24px;
}

.project-info h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.project-info p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.project-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.project-tags span {
    background: var(--primary);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Gallery */
.gallery {
    background: var(--bg);
}

.gallery-hint {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 24px;
    font-size: 0.95rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.gallery-item {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg-alt);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.gallery-item span {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 8px;
    text-align: center;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    position: relative;
}

.modal-content img {
    max-width: 90vw;
    max-height: 85vh;
    border-radius: 8px;
    display: block;
    cursor: zoom-in;
    transition: transform 0.15s ease;
}

.modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 36px;
    cursor: pointer;
    line-height: 1;
}

/* Contact */
.contact {
    background: var(--bg-alt);
}

.contact-intro {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.contact-form {
    max-width: 550px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.submit-button {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.submit-button:hover {
    background: var(--primary-dark);
}

/* Footer */
.footer {
    background: var(--text);
    color: white;
    text-align: center;
    padding: 24px 0;
}

.footer p {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Mobile */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
    }

    .nav-links.active {
        display: flex;
    }

    .menu-toggle {
        display: flex;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .section h2 {
        font-size: 1.5rem;
    }

    .tagline {
        font-size: 1.2rem;
    }

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