*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
    font-family: 'DM Sans', sans-serif;
    background: #fafafa;
    color: #333;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a { color: #0d9488; text-decoration: none; transition: opacity 0.2s; }
a:hover { opacity: 0.7; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }

/* Banner */
.banner {
    min-height: 70vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 4rem 2rem;
    position: relative;
    overflow: hidden;
    background: url(../img/hero.jpg) center/cover no-repeat;
}
.banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(10,10,10,0.55) 0%, rgba(10,10,10,0.35) 100%);
    pointer-events: none;
}
.banner > * { position: relative; z-index: 1; }
.banner-tag {
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #06b6d4;
    background: rgba(6,182,212,0.15);
    padding: 0.5rem 1.2rem;
    border-radius: 100px;
    margin-bottom: 2rem;
    animation: fadeIn 0.8s ease-out;
    border: 1px solid rgba(6,182,212,0.4);
    text-shadow: 0 1px 8px rgba(0,0,0,0.3);
}
.banner-title {
    font-family: 'Inter', sans-serif;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: #ffffff;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    animation: fadeUp 0.8s ease-out 0.1s both;
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.banner-subtitle {
    font-family: 'DM Sans', sans-serif;
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    font-weight: 400;
    color: rgba(255,255,255,0.9);
    max-width: 600px;
    margin-bottom: 2.5rem;
    animation: fadeUp 0.8s ease-out 0.2s both;
    text-shadow: 0 1px 10px rgba(0,0,0,0.3);
}
.banner-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #06b6d4;
    color: #fff;
    padding: 0.9rem 2rem;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
    animation: fadeUp 0.8s ease-out 0.3s both;
    border: 1px solid rgba(255,255,255,0.2);
}
.banner-cta:hover { background: #0891b2; opacity: 1; transform: translateY(-2px); }

/* Nav bar */
nav {
    background: rgba(10,10,10,0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding: 1.2rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}
nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}
nav ul li a {
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    color: rgba(255,255,255,0.7);
}
nav ul li a:hover { color: #fff; }

/* Cards */
.cards-section { padding: 6rem 0; }
.section-label {
    font-family: 'Inter', sans-serif;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #999;
    margin-bottom: 0.8rem;
}
.section-title {
    font-family: 'Inter', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: #0a0a0a;
    margin-bottom: 3rem;
    letter-spacing: -0.02em;
}
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}
.card {
    background: #fff;
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s;
}
.card:hover {
    border-color: rgba(13,148,136,0.3);
    box-shadow: 0 20px 60px rgba(0,0,0,0.08);
    transform: translateY(-4px);
}
.card-icon {
    width: 48px;
    height: 48px;
    background: rgba(13,148,136,0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
}
.card h3 {
    font-family: 'Inter', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: #0a0a0a;
    margin-bottom: 0.8rem;
}
.card p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.7;
}

/* About */
.about-section {
    padding: 6rem 0;
    background: #fff;
    border-top: 1px solid rgba(0,0,0,0.06);
}
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}
.about-text p {
    font-size: 1.05rem;
    color: #555;
    margin-bottom: 1.5rem;
}
.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.skill-tag {
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.4rem 0.9rem;
    background: #f0fdfb;
    color: #0d9488;
    border-radius: 100px;
    border: 1px solid rgba(13,148,136,0.2);
}

/* Contact Section */
.contact-section {
    padding: 6rem 0;
    border-top: 1px solid rgba(0,0,0,0.06);
}
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}
.contact-text p {
    font-size: 1.05rem;
    color: #555;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}
.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: #fff;
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 12px;
    transition: all 0.2s;
}
.contact-link:hover {
    border-color: rgba(13,148,136,0.3);
    box-shadow: 0 10px 30px rgba(0,0,0,0.06);
    transform: translateY(-2px);
    opacity: 1;
}
.contact-link-icon {
    width: 40px;
    height: 40px;
    background: rgba(13,148,136,0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}
.contact-link-text { flex: 1; }
.contact-link-label {
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #999;
    margin-bottom: 0.2rem;
}
.contact-link-value {
    font-size: 0.95rem;
    color: #0a0a0a;
    font-weight: 500;
}

/* Footer */
footer {
    padding: 3rem 0;
    border-top: 1px solid rgba(0,0,0,0.06);
}
footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer-copy { font-size: 0.85rem; color: #999; }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: 0.85rem; color: #999; }
.footer-links a:hover { color: #0d9488; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .about-grid { grid-template-columns: 1fr; gap: 2rem; }
    .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
    nav ul { display: none; }
    footer .container { flex-direction: column; gap: 1rem; text-align: center; }
}