/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0c1222;
    --bg-secondary: #101829;
    --bg-card: #162032;
    --text-primary: #f0f0f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #f59e0b;
    --accent-light: #fbbf24;
    --accent-dim: rgba(245, 158, 11, 0.1);
    --accent-border: rgba(245, 158, 11, 0.3);
    --border: #1e293b;
    --radius: 16px;
    --radius-sm: 8px;
    --transition: 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ===== UTILITIES ===== */
.container {
    max-width: 1060px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.section-alt {
    background: var(--bg-secondary);
}

.section-title {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
    text-align: center;
}

.section-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background: var(--accent);
    margin: 12px auto 0;
    border-radius: 2px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 48px;
    text-align: center;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(12, 18, 34, 0.9);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
}

.nav-container {
    max-width: 1060px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--accent);
    text-decoration: none;
    letter-spacing: 0.02em;
    border: 2px solid var(--accent);
    padding: 4px 10px;
    border-radius: 6px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 28px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: color var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

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

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

.nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 24px 80px;
}

.hero-content {
    max-width: 680px;
}

.hero-photo {
    margin-bottom: 28px;
}

.hero-photo img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--accent-border);
    box-shadow: 0 0 40px rgba(245, 158, 11, 0.12);
}

.hero-greeting {
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.hero-name {
    font-size: clamp(2.4rem, 5.5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 12px;
}

.hero-title {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.hero-tagline {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 32px;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 36px;
}

.hero-cta {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 12px 26px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition);
    cursor: pointer;
}

.btn-primary {
    background: var(--accent);
    color: #0c1222;
}

.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(245, 158, 11, 0.25);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ===== BADGES ===== */
.badge {
    display: inline-block;
    padding: 5px 13px;
    background: var(--accent-dim);
    color: var(--accent);
    border: 1px solid var(--accent-border);
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 500;
}

.badge-sm {
    padding: 3px 9px;
    font-size: 0.72rem;
}

/* ===== ABOUT ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.about-text p {
    color: var(--text-secondary);
    font-size: 0.98rem;
    margin-bottom: 14px;
    line-height: 1.7;
}

.about-details {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
}

.detail-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.detail-item:first-child {
    padding-top: 0;
}

.detail-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
}

.detail-value {
    font-size: 0.92rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* ===== EXPERIENCE (Card Grid) ===== */
.experience-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.exp-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.exp-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--accent);
    opacity: 0;
    transition: opacity var(--transition);
}

.exp-card:hover::before {
    opacity: 1;
}

.exp-card:hover {
    border-color: var(--accent-border);
    transform: translateY(-3px);
}

.exp-card-header {
    margin-bottom: 14px;
}

.exp-card-date {
    font-size: 0.75rem;
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 6px;
}

.exp-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 4px;
    line-height: 1.3;
}

.exp-card-company {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.exp-card-details {
    list-style: none;
    margin-top: 12px;
}

.exp-card-details li {
    position: relative;
    padding-left: 14px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 6px;
    line-height: 1.5;
}

.exp-card-details li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 600;
    font-size: 0.7rem;
}

.exp-card-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 14px;
}

/* ===== PROJECTS ===== */
.projects-grid {
    display: grid;
    gap: 20px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: all var(--transition);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 24px;
    align-items: start;
}

.project-card:hover {
    border-color: var(--accent-border);
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.project-card.featured {
    border-color: var(--accent-border);
    background: linear-gradient(135deg, var(--bg-card), rgba(245, 158, 11, 0.03));
}

.project-info {
    min-width: 0;
}

.project-status {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 4px;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.status-shipped {
    background: rgba(74, 222, 128, 0.12);
    color: #4ade80;
}

.status-live {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent);
}

.project-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.3;
}

.project-card p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

.project-metrics {
    display: flex;
    gap: 24px;
    margin-bottom: 16px;
}

.metric {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.metric-value {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.02em;
}

.metric-label {
    font-size: 0.72rem;
    color: var(--text-muted);
}

.project-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

/* ===== SKILLS ===== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.skill-category {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: all var(--transition);
}

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

.skill-category h3 {
    font-size: 0.92rem;
    font-weight: 600;
    margin-bottom: 14px;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 8px;
}

.skill-category h3::before {
    content: '◆';
    font-size: 0.6rem;
}

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

.skill-category li {
    padding: 7px 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-bottom: 1px solid rgba(30, 41, 59, 0.6);
}

.skill-category li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

/* ===== CERTIFICATIONS ===== */
.certs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.cert-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 20px;
    text-align: center;
    transition: all var(--transition);
}

.cert-card:hover {
    border-color: var(--accent-border);
    transform: translateY(-2px);
}

.cert-icon {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.cert-card h3 {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
    line-height: 1.3;
}

.cert-card p {
    color: var(--text-muted);
    font-size: 0.78rem;
    line-height: 1.4;
}

/* ===== AWARDS ===== */
.awards-grid {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.award-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    text-align: center;
    transition: all var(--transition);
    flex: 1;
    min-width: 220px;
    max-width: 300px;
}

.award-card:hover {
    border-color: var(--accent-border);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(245, 158, 11, 0.08);
}

.award-icon {
    font-size: 2.2rem;
    margin-bottom: 14px;
}

.award-card h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.award-card p {
    color: var(--text-muted);
    font-size: 0.82rem;
}

/* ===== CONTACT ===== */
#contact .section-title::after {
    display: none;
}

.contact-links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition);
}

.contact-item:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.contact-icon {
    font-size: 1.2rem;
}

/* ===== FOOTER ===== */
.footer {
    text-align: center;
    padding: 40px 24px;
    border-top: 1px solid var(--border);
}

.footer-name {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    margin-bottom: 4px;
    color: var(--text-secondary);
}

.footer-role {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(12, 18, 34, 0.97);
        backdrop-filter: blur(16px);
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
    }

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

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 100px 24px 60px;
        min-height: auto;
    }

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

    .section {
        padding: 64px 0;
    }

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

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

    .project-card {
        grid-template-columns: 1fr;
    }

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

    .project-metrics {
        flex-direction: column;
        gap: 12px;
    }

    .contact-links {
        flex-direction: column;
        align-items: stretch;
    }

    .contact-item {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-badges {
        gap: 8px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        text-align: center;
    }

    .awards-grid {
        flex-direction: column;
        align-items: stretch;
    }

    .award-card {
        max-width: 100%;
    }
}