:root {
    --bg: #0a0d12;
    --bg-soft: #141923;
    --ink: rgba(255, 255, 255, 0.95);
    --muted: rgba(255, 255, 255, 0.68);
    --accent: #00c8c8;
    --accent-2: #7deee7;
    --surface: rgba(15, 21, 31, 0.92);
    --surface-2: rgba(19, 26, 38, 0.92);
    --ring: rgba(0, 200, 200, 0.35);
    --shadow: 0 18px 45px rgba(0, 0, 0, 0.4);
    --radius: 18px;
    --container: 1100px;
}

* {
    box-sizing: border-box;
}

.page-top-sentinel {
    display: block;
    height: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Outfit", "Segoe UI", sans-serif;
    color: var(--ink);
    background:
        linear-gradient(rgba(8, 12, 18, 0.75), rgba(8, 12, 18, 0.84)),
        url("../img/background.gif") center/260px repeat,
        radial-gradient(circle at 12% 8%, rgba(0, 200, 200, 0.18), transparent 28%),
        radial-gradient(circle at 90% 3%, rgba(56, 189, 248, 0.2), transparent 22%),
        linear-gradient(155deg, var(--bg), var(--bg-soft));
    line-height: 1.6;
}

h1,
h2,
h3 {
    margin: 0;
    line-height: 1.2;
    font-family: "Fraunces", Georgia, serif;
    letter-spacing: -0.02em;
}

p {
    margin: 0;
}

a {
    color: inherit;
}

.ambient-layer {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
    background-image:
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(0deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 52px 52px;
    mask-image: radial-gradient(circle at 50% 20%, black 40%, transparent 90%);
}

.site-header,
main,
.site-footer {
    width: min(var(--container), calc(100% - 2.5rem));
    margin-inline: auto;
}

.site-header {
    position: sticky;
    top: 1rem;
    margin-top: 1rem;
    padding: 0.9rem 1.1rem;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    background: rgba(10, 13, 18, 0.84);
    border: 1px solid rgba(0, 200, 200, 0.25);
    backdrop-filter: blur(8px);
    z-index: 20;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    text-decoration: none;
    font-weight: 600;
}

.brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    border: 1px solid rgba(0, 200, 200, 0.45);
    background: rgba(14, 22, 33, 0.9);
}

.brand-icon {
    width: 24px;
    height: 24px;
    display: block;
}

.site-nav {
    display: inline-flex;
    gap: 1.2rem;
    font-weight: 500;
}

.site-nav a {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    text-decoration: none;
    color: var(--muted);
    transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
    color: var(--ink);
}

.nav-icon {
    width: 20px;
    height: 20px;
    display: block;
}

.section {
    background: rgba(10, 13, 18, 0.78);
    border: 1px solid rgba(0, 200, 200, 0.25);
    border-radius: calc(var(--radius) + 2px);
    box-shadow: var(--shadow);
    padding: clamp(1.5rem, 4vw, 3rem);
}

main {
    display: grid;
    gap: 1.4rem;
    margin-top: 1.3rem;
    margin-bottom: 2rem;
}

.hero {
    position: relative;
    overflow: clip;
}

.hero::after {
    content: "";
    position: absolute;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    right: -150px;
    bottom: -220px;
    background: radial-gradient(circle, rgba(0, 200, 200, 0.24), transparent 65%);
    pointer-events: none;
}

.eyebrow {
    margin-bottom: 0.8rem;
    color: var(--accent-2);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.78rem;
}

.hero h1 {
    font-size: clamp(2rem, 4.3vw, 4rem);
    max-width: 100%;
    text-align: left;
}

.hero-copy {
    margin-top: 1rem;
    max-width: 62ch;
    color: var(--muted);
    font-size: clamp(1rem, 2vw, 1.15rem);
}

.hero-actions {
    margin-top: 1.4rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 0.72rem 1.2rem;
    font-weight: 600;
    font-size: 0.95rem;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), #00a4ad);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    gap: 0.4rem;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(0, 200, 200, 0.3);
}

.button-secondary {
    color: var(--ink);
    border-color: rgba(0, 200, 200, 0.35);
    background: var(--surface-2);
}

.button-small {
    padding: 0.5rem 0.9rem;
    font-size: 0.88rem;
}

.button-nav-style {
    border: 1px solid rgba(0, 200, 200, 0.45);
    background: rgba(14, 22, 33, 0.9);
    color: rgba(255, 255, 255, 0.9);
    box-shadow: none;
}

.button-nav-style:hover,
.button-nav-style:focus-visible {
    transform: translateY(-1px);
    border-color: rgba(125, 238, 231, 0.95);
    box-shadow: none;
}

.button-small .nav-icon {
    width: 20px;
    height: 20px;
}

.stats {
    margin-top: 1.8rem;
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
}

.stats li {
    border: 1px solid rgba(0, 200, 200, 0.3);
    border-radius: 14px;
    padding: 0.8rem;
    background: var(--surface);
}

.stat-value {
    display: block;
    font-family: "Fraunces", Georgia, serif;
    font-size: 1.35rem;
}

.stat-label {
    display: block;
    color: var(--muted);
    font-size: 0.87rem;
}

.section-head {
    margin-bottom: 1rem;
}

.section-head h2 {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
}

.section-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    display: block;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.9rem;
}

.repo-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
}

.repo-controls {
    display: flex;
    gap: 0.55rem;
}

.repo-nav {
    border: 1px solid rgba(0, 200, 200, 0.45);
    background: rgba(14, 22, 33, 0.9);
    color: rgba(255, 255, 255, 0.9);
    border-radius: 999px;
    padding: 0.42rem 0.9rem;
    font: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.repo-nav:hover,
.repo-nav:focus-visible {
    transform: translateY(-1px);
    border-color: rgba(125, 238, 231, 0.95);
}

.repo-nav:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
}

.repo-slider {
    position: relative;
    overflow: clip;
    border-radius: 14px;
    border: 1px solid rgba(0, 200, 200, 0.28);
    background: rgba(9, 14, 22, 0.72);
    padding: 0.8rem;
}

.repo-slider::before,
.repo-slider::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    width: 48px;
    pointer-events: none;
    z-index: 2;
}

.repo-slider::before {
    left: 0;
    background: linear-gradient(90deg, rgba(9, 14, 22, 1), rgba(9, 14, 22, 0));
}

.repo-slider::after {
    right: 0;
    background: linear-gradient(270deg, rgba(9, 14, 22, 1), rgba(9, 14, 22, 0));
}

.repo-track {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: calc((100% - 1.4rem) / 3);
    gap: 0.7rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
}

.repo-track::-webkit-scrollbar {
    display: none;
}

.repo-item {
    width: 100%;
    min-width: 0;
    border-radius: 14px;
    border: 1px solid rgba(0, 200, 200, 0.3);
    background: rgba(15, 22, 33, 0.96);
    padding: 0.9rem;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    min-height: 165px;
    scroll-snap-align: start;
}

.repo-item h3 {
    font-size: 1rem;
    line-height: 1.35;
}

.repo-item h3 a {
    color: rgba(255, 255, 255, 0.95);
    text-decoration: none;
}

.repo-item h3 a:hover,
.repo-item h3 a:focus-visible {
    color: var(--accent-2);
}

.repo-about,
.repo-topics {
    margin: 0;
    color: var(--muted);
    font-size: 0.84rem;
    line-height: 1.35;
}

.repo-topics {
    color: rgba(125, 238, 231, 0.92);
}

.repo-pill {
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    width: 100%;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    scroll-snap-align: start;
    padding: 0.5rem 0.9rem;
    border-radius: 999px;
    border: 1px solid rgba(0, 200, 200, 0.35);
    color: rgba(255, 255, 255, 0.9);
    background: rgba(17, 24, 35, 0.95);
    font-size: 0.9rem;
    transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.repo-pill:hover,
.repo-pill:focus-visible {
    transform: translateY(-1px);
    border-color: rgba(125, 238, 231, 0.9);
    background: rgba(20, 30, 43, 0.96);
}

.topic-layout {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.topic-chip {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    border: 1px solid rgba(0, 200, 200, 0.35);
    background: rgba(17, 24, 35, 0.95);
    color: rgba(255, 255, 255, 0.92);
    padding: 0.35rem 0.75rem;
    font-size: 0.86rem;
}

.project-card {
    padding: 1rem;
    border-radius: 14px;
    border: 1px solid rgba(0, 200, 200, 0.22);
    background: var(--surface-2);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

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

.project-card a {
    width: max-content;
    text-decoration: none;
    font-weight: 600;
    color: var(--accent-2);
}

.chip-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.chip-list li {
    border: 1px solid rgba(0, 200, 200, 0.28);
    border-radius: 999px;
    padding: 0.22rem 0.65rem;
    font-size: 0.8rem;
    background: var(--surface);
}

.skills-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.8rem;
}

.skill-column {
    padding: 1rem;
    border-radius: 14px;
    background: linear-gradient(140deg, rgba(19, 26, 38, 0.96), rgba(14, 20, 30, 0.96));
    border: 1px solid rgba(0, 200, 200, 0.24);
}

.skill-column p {
    color: var(--muted);
    margin-top: 0.45rem;
}

.timeline {
    margin: 0;
    padding: 0;
    list-style: none;
    border-left: 2px dashed rgba(0, 200, 200, 0.35);
    margin-left: 0.6rem;
}

.timeline li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 1rem;
}

.timeline li:last-child {
    margin-bottom: 0;
}

.timeline li::before {
    content: "";
    position: absolute;
    left: -0.42rem;
    top: 0.18rem;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent);
}

.time {
    display: inline-block;
    margin-bottom: 0.2rem;
    font-weight: 700;
    color: var(--accent-2);
}

.contact-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem;
    border-radius: 14px;
    border: 1px solid rgba(0, 200, 200, 0.28);
    background: linear-gradient(125deg, rgba(17, 24, 35, 0.96), rgba(13, 19, 29, 0.96));
}

.contact-card p {
    color: var(--muted);
    max-width: 52ch;
}

.contact-actions {
    display: flex;
    gap: 0.65rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.site-footer {
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    color: var(--muted);
    font-size: 0.92rem;
}

.site-footer a {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    text-decoration: none;
    color: var(--accent-2);
    font-weight: 600;
}

.reveal {
    opacity: 0;
    transform: translateY(12px);
    animation: rise 0.75s ease forwards;
}

.reveal:nth-of-type(2) {
    animation-delay: 0.1s;
}

.reveal:nth-of-type(3) {
    animation-delay: 0.18s;
}

.reveal:nth-of-type(4) {
    animation-delay: 0.26s;
}

.reveal:nth-of-type(5) {
    animation-delay: 0.34s;
}

@keyframes rise {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

:focus-visible {
    outline: 3px solid var(--ring);
    outline-offset: 2px;
}

@media (max-width: 850px) {
    .site-header {
        border-radius: 24px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .site-nav {
        order: 3;
        width: 100%;
        justify-content: center;
    }

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

    .contact-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .site-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .repo-head {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        scroll-behavior: auto;
    }

    .reveal {
        animation: none;
        opacity: 1;
        transform: none;
    }

    .repo-slider::before,
    .repo-slider::after {
        display: none;
    }
}