:root {
    --bg: #0F172A;
    --surface: rgba(255, 255, 255, 0.03);
    --card: rgba(255, 255, 255, 0.06);
    --primary: #6366F1;
    --secondary: #8B5CF6;
    --text: #E2E8F0;
    --muted: #94A3B8;
    --border: rgba(255, 255, 255, 0.08);
    --radius: 16px;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: radial-gradient(circle at 20% 20%, rgba(99,102,241,0.15), transparent 25%),
                radial-gradient(circle at 80% 0%, rgba(139,92,246,0.16), transparent 30%),
                var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: min(1100px, 90%);
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.logo-mark {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-weight: 800;
}

.nav-links {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.nav-links a {
    padding: 0.5rem 0.9rem;
    border-radius: 999px;
    color: var(--muted);
    font-weight: 600;
    transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
    border: 1px solid transparent;
}

.nav-links a:hover {
    color: var(--text);
    border-color: var(--border);
    background: rgba(255, 255, 255, 0.04);
}

.hero {
    position: relative;
    padding: 8rem 0 6rem;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(99,102,241,0.18), rgba(8,47,73,0.15));
    filter: blur(60px);
    z-index: -1;
}

.hero__grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 2.5rem;
    align-items: center;
}

.hero__content h1 {
    margin: 0.5rem 0 1rem;
    font-size: clamp(2rem, 5vw, 3.2rem);
    line-height: 1.2;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.75rem;
    color: var(--muted);
}

.lede {
    color: var(--muted);
    max-width: 640px;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 1.75rem 0 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.75rem 1.2rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 600;
    color: var(--text);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.btn.primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    box-shadow: var(--shadow);
}

.btn.ghost {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border);
}

.btn.text {
    padding-inline: 0.4rem;
    color: var(--muted);
}

.btn:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.2);
}

.hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.8rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid var(--border);
    color: var(--text);
    font-weight: 600;
}

.pill.subtle {
    background: rgba(255, 255, 255, 0.04);
    color: var(--muted);
}

.hero__visual {
    display: grid;
    gap: 1rem;
    justify-items: start;
}

.avatar {
    width: 160px;
    height: 160px;
    border-radius: 40px;
    background: linear-gradient(145deg, rgba(99,102,241,0.8), rgba(15,23,42,0.8)), url("images/everestwithoutwatermark.webp") center/cover no-repeat;
    display: grid;
    place-items: center;
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
    box-shadow: var(--shadow);
}

.hero-card {
    padding: 1.25rem;
    border-radius: var(--radius);
}

.glass {
    background: var(--card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    border-radius: var(--radius);
}

.card-title {
    margin: 0;
    font-weight: 700;
}

.card-sub {
    margin: 0.3rem 0 0.9rem;
    color: var(--muted);
}

.pill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.section {
    padding: 5rem 0;
}

.section-header {
    margin-bottom: 2rem;
}

.section-header h2 {
    margin: 0.3rem 0 0.6rem;
    font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.section-header .subtle {
    color: var(--muted);
    max-width: 620px;
}

.about-grid,
.skills-grid,
.project-grid,
.case-grid,
.github-grid,
.blog-grid,
.contact-grid {
    display: grid;
    gap: 1.5rem;
}

.about-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card.highlight {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(139, 92, 246, 0.12));
}

.about-grid ul {
    padding-left: 1.2rem;
    color: var(--muted);
}

.list-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0.5rem 0 1rem;
}

.skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.7rem;
}

.skill-icons {
    display: flex;
    gap: 0.6rem;
    font-size: 1.8rem;
    margin-bottom: 0.6rem;
}

.project-grid {
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
}

.project-card {
    overflow: hidden;
    display: grid;
    grid-template-rows: 180px 1fr;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.45);
}

.project-thumb {
    width: 100%;
    border-bottom: 1px solid var(--border);
}

.gradient-one {
    background: linear-gradient(135deg, #6366F1, #0EA5E9);
}

.gradient-two {
    background: linear-gradient(135deg, #8B5CF6, #F472B6);
}

.gradient-three {
    background: linear-gradient(135deg, #22D3EE, #14B8A6);
}

.project-body {
    padding: 1.3rem;
    display: grid;
    gap: 0.8rem;
}

.project-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.5rem;
}

.feature-list {
    padding-left: 1.1rem;
    margin: 0;
    color: var(--muted);
    display: grid;
    gap: 0.25rem;
}

.project-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.case-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.case-card {
    padding: 1.5rem;
    display: grid;
    gap: 1rem;
    align-content: space-between;
}

.timeline {
    display: grid;
    gap: 1rem;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

.timeline-item {
    display: grid;
    gap: 0.3rem;
    grid-template-columns: auto 1fr;
    align-items: center;
    padding-left: 1rem;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 4px;
    width: 16px;
    height: 16px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    border: 2px solid var(--bg);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

.timeline-item h3 {
    margin: 0;
}

.timeline-item p {
    margin: 0;
    color: var(--muted);
}

.github-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.github-grid img {
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.02);
}

.blog-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.contact-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.contact-links {
    display: grid;
    gap: 0.5rem;
    margin: 0.5rem 0 1rem;
}

.contact-links a {
    color: var(--text);
    display: inline-flex;
    width: fit-content;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

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

.contact-form {
    display: grid;
    gap: 0.9rem;
}

.form-row {
    display: grid;
    gap: 0.35rem;
}

.form-row label {
    color: var(--muted);
    font-weight: 600;
}

.form-row input,
.form-row textarea {
    border-radius: 12px;
    padding: 0.75rem 0.9rem;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text);
}

.form-row input:focus,
.form-row textarea:focus {
    outline: 2px solid var(--primary);
}

.footer {
    padding: 2.5rem 0 2rem;
    border-top: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.02);
}

.footer__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.footer-links {
    display: grid;
    gap: 0.4rem;
}

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

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

.copyright {
    text-align: center;
    color: var(--muted);
    margin-top: 1rem;
}

.subtle {
    color: var(--muted);
}

@media (max-width: 900px) {
    .nav {
        gap: 1rem;
        flex-wrap: wrap;
    }

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

    .hero__visual {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 640px) {
    .nav-links {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
    }

    .hero {
        padding-top: 6rem;
    }

    .project-card {
        grid-template-rows: 160px 1fr;
    }
}