:root {
    --primary: #1a1a2e;
    --secondary: #0f3460;
    --accent: #e94560;
    --light: #f8f9fa;
    --gray: #6c757d;
    --gold: #d4af37;
}

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

body {
    font-family: 'Work Sans', sans-serif;
    background: var(--light);
    color: var(--primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1.5rem 5%;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
    animation: slideDown 0.6s ease-out;
}

@keyframes slideDown {
    from { transform: translateY(-100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

nav .container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: color 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

.nav-links a:hover { color: var(--accent); }
.nav-links a:hover::after { width: 100%; }

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

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 5% 4rem;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 1200"><circle cx="600" cy="600" r="400" fill="none" stroke="%23d4af37" stroke-width="1" opacity="0.1"/><circle cx="600" cy="600" r="300" fill="none" stroke="%23d4af37" stroke-width="1" opacity="0.15"/><circle cx="600" cy="600" r="200" fill="none" stroke="%23d4af37" stroke-width="1" opacity="0.2"/></svg>') no-repeat center;
    background-size: contain;
    opacity: 0.3;
    animation: rotate 60s linear infinite;
}

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

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-family: 'Playfair Display', serif;
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1rem;
    color: var(--primary);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-text .subtitle {
    font-size: 1.5rem;
    color: var(--secondary);
    margin-bottom: 1.5rem;
    font-weight: 300;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-text p {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

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

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-block;
}

.btn-primary {
    background: var(--accent);
    color: white;
    box-shadow: 0 10px 30px rgba(233, 69, 96, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(233, 69, 96, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
}

.hero-image {
    position: relative;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.profile-card {
    background: white;
    padding: 3rem;
    border-radius: 30px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.profile-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--accent), var(--gold));
}

.profile-img {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    margin: 0 auto 2rem;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    color: white;
    font-family: 'Playfair Display', serif;
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.profile-img img {
    width: 100% !important;
    border-radius: inherit;
}

.social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1.5rem;
}

.social-links a {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

.social-links a:hover {
    background: var(--accent);
    color: white;
    transform: translateY(-3px);
}

/* Section Styles */
section {
    padding: 6rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.section-header { text-align: center; margin-bottom: 4rem; }

.section-header h2 {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--accent);
    border-radius: 2px;
}

.section-header p {
    color: var(--gray);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 1.5rem auto 0;
}

/* Experience Section */
.timeline { position: relative; padding: 2rem 0; }
.timeline::before {
    content: '';
    position: absolute;
    left: 50%; top: 0; bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--accent), var(--gold));
    transform: translateX(-50%);
}

.timeline-item {
    margin-bottom: 3rem;
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.timeline-item:nth-child(even) .timeline-content { order: 2; }
.timeline-item:nth-child(even) .timeline-date { text-align: right; }

.timeline-content {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    position: relative;
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}

.timeline-content h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    color: var(--accent);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.timeline-content p { color: var(--gray); line-height: 1.8; }
.timeline-date { font-size: 1.1rem; color: var(--secondary); font-weight: 600; }

.timeline-dot {
    position: absolute;
    left: 50%; top: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    background: var(--accent);
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: 0 0 0 4px rgba(233, 69, 96, 0.2);
    z-index: 2;
}

/* Education Section */
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.education-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.education-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--gold));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.education-card:hover::before { transform: scaleX(1); }
.education-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}

.education-card h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.education-card h4 {
    color: var(--accent);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.education-card .year {
    color: var(--gray);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    display: block;
}

/* Projects */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.product-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}

.product-image {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.product-content { padding: 2rem; }
.product-content h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.product-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
.tag {
    padding: 0.4rem 1rem;
    background: rgba(233, 69, 96, 0.1);
    color: var(--accent);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.product-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.product-link::after { content: ' →'; transition: transform 0.3s ease; display: inline-block; }
.product-link:hover::after { transform: translateX(5px); }

/* Skills Section */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.skill-category h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-category h3::before {
    content: '';
    width: 8px; height: 8px;
    background: var(--accent);
    border-radius: 50%;
}

.skill-list { list-style: none; }
.skill-list li {
    padding: 0.8rem 0;
    color: var(--gray);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.skill-list li:hover { color: var(--accent); padding-left: 10px; }

/* Contact */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info, .contact-form {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.contact-item { display: flex; align-items: center; gap: 1.5rem; margin-bottom: 2rem; transition: all 0.3s ease; }
.contact-item:hover { transform: translateX(10px); }

.contact-icon {
    width: 50px; height: 50px;
    background: linear-gradient(135deg, var(--accent), var(--gold));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.form-group { margin-bottom: 1.5rem; }
.form-group input, .form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid rgba(0,0,0,0.1);
    border-radius: 10px;
    font-family: inherit;
}

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

/* Footer */
footer { background: var(--primary); color: white; text-align: center; padding: 3rem 5%; }
footer .social-links a { background: rgba(255,255,255,0.1); color: white; }

/* Responsive */
@media (max-width: 968px) {
    .nav-links {
        position: fixed;
        top: 80px; right: -100%;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 2rem;
        transition: 0.3s;
    }
    .nav-links.active { right: 0; }
    .menu-toggle { display: flex; }
    .hero-content { grid-template-columns: 1fr; }
    .timeline::before { left: 30px; }
    .timeline-item { grid-template-columns: 1fr; padding-left: 80px; }
    .timeline-dot { left: 30px; }
    .contact-container { grid-template-columns: 1fr; }
}

/* Animations */
.fade-in { opacity: 0; transform: translateY(30px); transition: all 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

.hidden {
      display: none;
    }

    .product-features {
    margin: 10px 0;
    padding-left: 18px;
    font-size: 14px;
}

.product-features li {
    margin-bottom: 6px;
}

.product-metrics {
    margin: 10px 0;
    display: flex;
    gap: 12px;
    font-size: 13px;
    color: #555;
}