:root {
    color-scheme: dark;
    --bg: #05070a;
    --surface: #0b1017;
    --surface-soft: #101823;
    --line: rgba(148, 163, 184, 0.16);
    --text: #f8fafc;
    --muted: #9aa8b8;
    --accent: #38bdf8;
    --accent-strong: #0ea5e9;
    --accent-soft: rgba(56, 189, 248, 0.12);
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at 72% 10%, rgba(14, 165, 233, 0.16), transparent 32rem),
        linear-gradient(180deg, #05070a 0%, #070b10 46%, #05070a 100%);
    color: var(--text);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    letter-spacing: 0;
}

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

button,
input,
textarea {
    font: inherit;
}

.site-shell {
    width: min(1160px, calc(100% - 40px));
    margin: 0 auto;
}

.floating-nav {
    position: fixed;
    top: 18px;
    left: 50%;
    z-index: 20;
    width: min(1160px, calc(100% - 40px));
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(5, 7, 10, 0.78);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.brand,
.nav-links,
.hero-actions,
.stack-strip,
.tag-row,
.social-links {
    display: flex;
    align-items: center;
}

.brand {
    flex: 0 0 auto;
    min-width: 0;
    gap: 10px;
    font-size: 0.92rem;
    font-weight: 700;
    line-height: 1;
}

.brand span:last-child {
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
}

.brand-mark {
    flex: 0 0 34px;
    display: grid;
    width: 34px;
    height: 34px;
    place-items: center;
    overflow: hidden;
    border: 1px solid rgba(56, 189, 248, 0.45);
    border-radius: 8px;
    background: rgba(56, 189, 248, 0.12);
    color: var(--accent);
}

.brand-mark img {
    display: block;
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.nav-links {
    gap: 4px;
}

.nav-links a {
    border-radius: 8px;
    padding: 9px 12px;
    color: var(--muted);
    font-size: 0.86rem;
    font-weight: 600;
    transition: 180ms ease;
}

.nav-links a:hover,
.nav-links a.active {
    background: var(--accent-soft);
    color: var(--text);
}

.section {
    padding: 104px 0;
    scroll-margin-top: 96px;
}

.hero {
    position: relative;
    display: grid;
    min-height: 100vh;
    align-content: center;
    overflow: hidden;
    padding-top: 150px;
}

.hero::before {
    position: absolute;
    inset: 130px 0 auto auto;
    width: 46%;
    height: 1px;
    content: "";
    background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.7), transparent);
}

.hero-glow {
    position: absolute;
    right: 4%;
    top: 28%;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: rgba(56, 189, 248, 0.12);
    filter: blur(54px);
}

.hero-grid {
    position: absolute;
    right: 0;
    bottom: 22%;
    display: grid;
    grid-template-columns: repeat(2, 68px);
    gap: 12px;
    opacity: 0.5;
}

.hero-grid span {
    height: 68px;
    border: 1px solid rgba(56, 189, 248, 0.16);
    border-radius: 8px;
    background: linear-gradient(145deg, rgba(56, 189, 248, 0.08), rgba(15, 23, 42, 0.14));
}

.eyebrow,
.section-kicker {
    position: relative;
    display: inline-block;
    margin: 0 0 16px;
    padding-bottom: 14px;
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.section-kicker::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 90px;
    height: 1px;

    background: linear-gradient(
        90deg,
        rgba(56, 189, 248, 1),
        rgba(56, 189, 248, 0)
    );

    filter: drop-shadow(0 0 6px rgba(56, 189, 248, 0.55));
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    position: relative;
    max-width: 850px;
    margin-bottom: 24px;
    font-size: clamp(3rem, 7vw, 6.25rem);
    line-height: 0.95;
    letter-spacing: 0;
}

h2 {
    max-width: 660px;
    margin-bottom: 0;
    font-size: clamp(2rem, 4vw, 3.8rem);
    line-height: 1.02;
    letter-spacing: 0;
}

h3 {
    margin-bottom: 14px;
    font-size: 1.15rem;
    letter-spacing: 0;
}

.hero-copy {
    position: relative;
    max-width: 640px;
    margin-bottom: 34px;
    color: var(--muted);
    font-size: clamp(1.05rem, 2vw, 1.28rem);
    line-height: 1.65;
}

.hero-actions {
    position: relative;
    flex-wrap: wrap;
    gap: 12px;
}

.button {
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: 8px;
    padding: 0 18px;
    cursor: pointer;
    font-weight: 800;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button.primary {
    background: var(--accent);
    color: #031018;
}

.button.secondary {
    border-color: rgba(148, 163, 184, 0.22);
    background: rgba(15, 23, 42, 0.54);
    color: var(--text);
}

.stack-strip {
    position: relative;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 58px;
}

.stack-strip span {
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 9px 12px;
    background: rgba(15, 23, 42, 0.5);
    color: #cbd5e1;
    font-size: 0.9rem;
}

.split-section,
.contact-section {
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 64px;
    align-items: start;
}

.about-copy,
.contact-copy {
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.85;
}

.about-copy p:last-child {
    margin-bottom: 0;
}

.section-heading {
    margin-bottom: 38px;
}

.skill-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.skill-card,
.project-card,
.contact-form {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: linear-gradient(180deg, rgba(16, 24, 35, 0.86), rgba(8, 13, 19, 0.88));
    box-shadow: 0 16px 42px rgba(0, 0, 0, 0.18);
}

.skill-card {
    min-height: 92px;
    display: grid;
    place-items: center;
    padding: 18px;
    color: #dce7f3;
    font-weight: 800;
    transition: border-color 180ms ease, transform 180ms ease;
}

.skill-card:hover,
.project-card:hover {
    border-color: rgba(56, 189, 248, 0.42);
    transform: translateY(-3px);
}

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

.project-card {
    min-height: 250px;
    display: flex;
    flex-direction: column;
    padding: 26px;
    transition: border-color 180ms ease, transform 180ms ease;
}

.project-card p {
    margin-bottom: 24px;
    color: var(--muted);
    line-height: 1.7;
}

.tag-row {
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.tag-row span {
    border: 1px solid rgba(56, 189, 248, 0.2);
    border-radius: 8px;
    padding: 7px 9px;
    background: rgba(56, 189, 248, 0.08);
    color: #bdefff;
    font-size: 0.78rem;
    font-weight: 700;
}

.social-links {
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.social-links a {
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 11px 13px;
    color: #d8e7f4;
    font-weight: 800;
    transition: 180ms ease;
}

.social-links a:hover {
    border-color: rgba(56, 189, 248, 0.5);
    background: var(--accent-soft);
}

.contact-form {
    display: grid;
    gap: 18px;
    padding: 24px;
}

.contact-form label {
    display: grid;
    gap: 8px;
    color: #dce7f3;
    font-size: 0.9rem;
    font-weight: 700;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 8px;
    outline: none;
    background: #070b10;
    color: var(--text);
    padding: 13px 14px;
    resize: vertical;
    transition: border-color 180ms ease, box-shadow 180ms ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: rgba(56, 189, 248, 0.68);
    box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.1);
}

@media (max-width: 820px) {
    .site-shell,
    .floating-nav {
        width: min(100% - 28px, 1160px);
    }

    .floating-nav {
        align-items: flex-start;
        flex-direction: column;
    }

    .nav-links {
        width: 100%;
        justify-content: space-between;
    }

    .nav-links a {
        padding-inline: 8px;
        font-size: 0.8rem;
    }

    .hero {
        min-height: auto;
        padding-top: 190px;
    }

    .hero-grid {
        display: none;
    }

    .section {
        padding: 76px 0;
    }

    .split-section,
    .contact-section,
    .project-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

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

@media (max-width: 520px) {
    .site-shell,
    .floating-nav {
        width: min(100% - 22px, 1160px);
    }

    .brand {
        font-size: 0.85rem;
    }

    .nav-links {
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .nav-links a {
        text-align: center;
    }

    h1 {
        font-size: 2.7rem;
    }

    h2 {
        font-size: 2rem;
    }

    .skill-grid {
        gap: 10px;
    }

    .skill-card {
        min-height: 82px;
    }

    .project-card,
    .contact-form {
        padding: 20px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition: none !important;
    }
}

@media (max-width: 1100px) {
    .project-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 820px) {
    .project-grid {
        grid-template-columns: 1fr;
    }
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-top: 48px;
}

.metric-card {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 20px;
    background: rgba(15, 23, 42, 0.45);
}

.metric-card strong {
    display: block;
    margin-bottom: 8px;
    font-size: 1.2rem;
    color: var(--text);
}

.metric-card span {
    color: var(--muted);
    font-size: 0.9rem;
}

.availability-badge {
    display: inline-flex;
    margin-bottom: 24px;
    border: 1px solid rgba(56, 189, 248, 0.3);
    border-radius: 999px;
    padding: 10px 14px;
    background: rgba(56, 189, 248, 0.08);
    color: #bdefff;
    font-size: 0.85rem;
    font-weight: 700;
}

.workflow-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 16px;
}

.workflow-card {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 22px;
    background: rgba(15, 23, 42, 0.45);
    text-align: center;
    font-weight: 700;
    color: #dce7f3;
}

.project-impact {
    display: block;
    margin-bottom: 18px;
    color: #7dd3fc;
    line-height: 1.6;
}

.current-stack-section {
    padding-top: 0;
}

.footer {
    padding: 40px 0 60px;
    text-align: center;
    color: var(--muted);
    font-size: 0.9rem;
}

@media (max-width: 1100px) {
    .project-grid,
    .metrics-grid,
    .workflow-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 820px) {
    .project-grid,
    .metrics-grid,
    .workflow-grid {
        grid-template-columns: 1fr;
    }
}