:root {
    --bg: #09090b;
    --surface: rgba(17, 17, 20, 0.82);
    --surface-solid: #111113;
    --line: #27272a;
    --text: #fafafa;
    --muted: #a1a1aa;
    --primary: #fafafa;
    --primary-2: #d4d4d8;
    --shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
    --glass-bg: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.09),
        rgba(255, 255, 255, 0.025)
    );
    --glass-border: rgba(255, 255, 255, 0.16);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    background:
        radial-gradient(circle at 50% -10%, #1a1a1f 0%, transparent 40%),
        linear-gradient(180deg, #09090b 0%, #09090b 100%);
    font-family: "Space Grotesk", sans-serif;
    line-height: 1.55;
    overflow-x: hidden;
}

.bg-grid {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(
            to right,
            rgba(255, 255, 255, 0.022) 1px,
            transparent 1px
        ),
        linear-gradient(
            to bottom,
            rgba(255, 255, 255, 0.022) 1px,
            transparent 1px
        );
    background-size: 42px 42px;
    mask-image: radial-gradient(circle at center, black 30%, transparent 85%);
    pointer-events: none;
    z-index: -3;
}

.glow {
    position: fixed;
    width: 480px;
    height: 480px;
    border-radius: 50%;
    filter: blur(110px);
    z-index: -2;
    pointer-events: none;
    opacity: 0.2;
}

.glow-1 {
    top: -140px;
    left: -100px;
    background: #2d2d31;
}

.glow-2 {
    bottom: -200px;
    right: -120px;
    background: #3f3f46;
}

.container {
    width: min(1120px, 92vw);
    margin: 0 auto;
}

.nav-wrap {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(10px);
    background: rgba(9, 9, 11, 0.68);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav {
    height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.brand {
    font-family: "Syne", sans-serif;
    font-size: 1.35rem;
    color: var(--text);
    text-decoration: none;
    letter-spacing: 0.04em;
}

.brand span {
    color: var(--primary);
}

.menu {
    display: flex;
    align-items: center;
    gap: 24px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.menu a {
    color: var(--muted);
    text-decoration: none;
    font-weight: 500;
    position: relative;
}

.menu a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 100%;
    height: 2px;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
    background: linear-gradient(90deg, #fafafa, #a1a1aa);
}

.menu a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.menu-btn {
    display: none;
    border: 1px solid var(--line);
    border-radius: 10px;
    color: var(--text);
    background: var(--surface-solid);
    width: 44px;
    height: 44px;
    font-size: 1.2rem;
}

.hero {
    padding-top: 96px;
    padding-bottom: 44px;
}

.eyebrow {
    margin: 0;
    color: #d4d4d8;
    letter-spacing: 0.16em;
    font-size: 0.8rem;
    font-weight: 700;
}

h1,
h2,
h3 {
    font-family: "Syne", sans-serif;
    line-height: 1.15;
}

h1 {
    margin: 16px 0 20px;
    font-size: clamp(2.2rem, 7vw, 4.6rem);
    max-width: 17ch;
}

.gradient-text {
    display: block;
    background: linear-gradient(95deg, #ffffff, #a1a1aa 65%);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}

.hero-text {
    max-width: 60ch;
    color: var(--muted);
    font-size: clamp(1rem, 2vw, 1.16rem);
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 30px;
}

.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    border: 1px solid transparent;
    padding: 12px 22px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;
    color: #0a0a0a;
    background: linear-gradient(90deg, #fafafa, #d4d4d8);
    box-shadow: var(--shadow);
    transition:
        transform 0.25s ease,
        filter 0.25s ease;
}

.btn:hover {
    transform: translateY(-2px);
    filter: brightness(1.06);
}

.btn-ghost {
    color: var(--text);
    background: rgba(255, 255, 255, 0.02);
    border-color: var(--line);
    box-shadow: none;
}

.btn-small {
    padding: 9px 16px;
    font-size: 0.92rem;
}

.stats {
    list-style: none;
    margin: 52px 0 0;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: rgba(14, 14, 17, 0.78);
    backdrop-filter: blur(8px);
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.stat-value {
    font-family: "Syne", sans-serif;
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    margin: 0;
}

.stat-label {
    margin-top: 8px;
    color: var(--muted);
    font-size: 0.95rem;
}

.section {
    padding: 56px 0;
}

.section-title h2 {
    margin: 12px 0 0;
    font-size: clamp(1.7rem, 5vw, 3rem);
}

.projects-grid {
    margin-top: 28px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.card {
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 22px;
    background: rgba(14, 14, 17, 0.78);
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow);
}

.liquid-glass {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    border-color: var(--glass-border);
    background: linear-gradient(
        140deg,
        rgba(255, 255, 255, 0.07),
        rgba(255, 255, 255, 0.015)
    );
    backdrop-filter: blur(16px) saturate(130%);
    -webkit-backdrop-filter: blur(16px) saturate(130%);
}

.liquid-glass::before {
    content: "";
    position: absolute;
    inset: -1px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.28s ease;
    background: radial-gradient(
        280px circle at var(--mx, 50%) var(--my, 50%),
        rgba(255, 255, 255, 0.22),
        rgba(255, 255, 255, 0.08) 20%,
        rgba(255, 255, 255, 0) 55%
    );
}

.liquid-glass::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background: linear-gradient(
        120deg,
        rgba(255, 255, 255, 0.14) 0%,
        rgba(255, 255, 255, 0.05) 18%,
        rgba(255, 255, 255, 0) 42%
    );
}

.liquid-glass:hover::before {
    opacity: 1;
}

.card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--primary);
    margin-bottom: 12px;
}

.card .tag {
    margin: 0;
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.card h3 {
    margin: 0 0 10px;
    font-size: 1.45rem;
}

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

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

.chips span {
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.02);
    font-size: 0.8rem;
}

.card-link {
    margin-top: 18px;
    display: inline-flex;
    gap: 5px;
    align-items: center;
    color: var(--text);
    text-decoration: none;
    font-weight: 700;
}

.stack-grid {
    margin-top: 24px;
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 14px;
}

.github-grid {
    margin-top: 24px;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 18px;
}

.github-widget {
    margin-top: 0;
}

.github-widget img {
    width: min(100%, 720px);
    border-radius: 12px;
    border: 1px solid var(--line);
}

.github-widget p {
    margin-top: 14px;
    color: var(--muted);
}

.github-widget a {
    color: var(--text);
}

.subsection {
    margin-top: 28px;
}

.subsection h3 {
    margin: 0;
    font-size: clamp(1.2rem, 2.8vw, 1.6rem);
}

.badge-wall {
    margin-top: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 0;
}

.badge-groups {
    margin-top: 20px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.badge-group {
    padding: 18px;
}

.badge-group h3 {
    margin: 0;
    font-size: 1.1rem;
}

.badge-wall img {
    height: 34px;
    width: auto;
    max-width: 100%;
    border-radius: 6px;
    filter: saturate(0.82) contrast(1.04);
}

.github-links h3 {
    margin: 0 0 10px;
    font-size: 1.2rem;
}

.cert-badges {
    margin-top: 22px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.cert-badges img {
    width: 100%;
    max-width: 150px;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--line);
}

.stack-item {
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--surface);
    padding: 18px 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--muted);
}

.stack-item i {
    font-size: 1.6rem;
    color: var(--primary);
}

.about-text {
    margin-top: 20px;
    max-width: 70ch;
    color: var(--muted);
    font-size: clamp(1.02rem, 2.3vw, 1.2rem);
}

.contact-card {
    border: 1px solid var(--line);
    border-radius: 26px;
    background: linear-gradient(
        120deg,
        rgba(255, 255, 255, 0.06),
        rgba(90, 90, 98, 0.05)
    );
    padding: 30px;
    backdrop-filter: blur(8px);
}

.contact-card h2 {
    margin: 12px 0 10px;
    font-size: clamp(1.7rem, 5vw, 2.7rem);
}

.contact-card p {
    margin: 0;
    color: var(--muted);
}

.contact-actions {
    margin-top: 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.footer {
    padding-bottom: 36px;
    color: #71717a;
    font-size: 0.95rem;
}

[data-reveal] {
    opacity: 0;
    transform: translateY(24px);
}

@media (max-width: 980px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .stack-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

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

    .badge-groups {
        grid-template-columns: 1fr;
    }

    .cert-badges {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .menu-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .menu {
        position: absolute;
        right: 4vw;
        top: 66px;
        width: min(320px, 92vw);
        border: 1px solid var(--line);
        border-radius: 16px;
        background: rgba(12, 12, 14, 0.95);
        padding: 14px;
        flex-direction: column;
        align-items: flex-start;
        display: none;
    }

    .menu.open {
        display: flex;
    }

    .nav .btn-small {
        display: none;
    }
}

@media (max-width: 680px) {
    .hero {
        padding-top: 72px;
    }

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

    .stack-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .badge-wall img {
        height: 30px;
    }

    .cert-badges {
        grid-template-columns: 1fr 1fr;
    }
}