:root {
    --bg-deep: #031a1d;
    --bg-mid: #083238;
    --ink: #eaf8f8;
    --muted: #b8d8d8;
    --panel: rgba(7, 43, 48, 0.7);
    --panel-border: rgba(173, 236, 233, 0.22);
    --teal: #2dd4bf;
    --cyan: #67e8f9;
    --amber: #f59e0b;
    --accent: #e2f76b;
    --shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Space Grotesk", "Segoe UI", sans-serif;
    color: var(--ink);
    background: radial-gradient(circle at 10% 10%, #114247 0%, var(--bg-deep) 45%),
                radial-gradient(circle at 85% 15%, #124951 0%, transparent 45%),
                linear-gradient(145deg, #031114 0%, #02181b 100%);
    line-height: 1.6;
}

h1,
h2,
h3 {
    font-family: "Fraunces", Georgia, serif;
    line-height: 1.15;
    margin: 0 0 0.6rem;
}

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

.site-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(45px);
    opacity: 0.45;
    animation: drift 15s ease-in-out infinite alternate;
}

.orb-a {
    width: 420px;
    height: 420px;
    background: #1fd8c8;
    top: -120px;
    right: -90px;
}

.orb-b {
    width: 300px;
    height: 300px;
    background: #f2c14e;
    bottom: 18%;
    left: -90px;
    animation-delay: 2s;
}

.orb-c {
    width: 260px;
    height: 260px;
    background: #5eead4;
    bottom: -50px;
    right: 25%;
    animation-delay: 4s;
}

.rain-layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.rain-drop {
    position: absolute;
    width: 2px;
    height: 16px;
    opacity: 0.25;
    background: linear-gradient(to bottom, rgba(168, 244, 255, 0), rgba(180, 248, 255, 0.9));
    animation: rain linear infinite;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(196, 255, 250, 0.2);
    backdrop-filter: blur(12px);
    background: rgba(2, 25, 29, 0.78);
}

.topbar-inner {
    width: min(1180px, calc(100% - 2rem));
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    font-family: "Fraunces", serif;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.nav-links {
    display: flex;
    gap: 0.25rem;
}

.nav-links a {
    font-size: 0.95rem;
    padding: 0.45rem 0.72rem;
    border-radius: 999px;
    color: var(--muted);
    transition: color 0.25s ease, background-color 0.25s ease;
}

.nav-links a:hover {
    color: var(--accent);
    background: rgba(102, 241, 228, 0.12);
}

.menu-toggle {
    display: none;
    border: 0;
    background: transparent;
    padding: 0;
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    margin: 5px 0;
    background: #d2fcf6;
}

main {
    width: min(1180px, calc(100% - 2rem));
    margin: 0 auto;
}

.section {
    padding: clamp(3.3rem, 6vw, 5.6rem) 0;
    position: relative;
}

.section:not(.hero)::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, rgba(151, 248, 237, 0), rgba(151, 248, 237, 0.33), rgba(151, 248, 237, 0));
}

.hero {
    display: grid;
    gap: clamp(2rem, 4vw, 3.2rem);
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
    align-items: center;
    min-height: calc(100vh - 86px);
    padding-top: 1.2rem;
}

.kicker {
    margin: 0 0 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--cyan);
    font-size: 0.78rem;
    font-weight: 700;
}

.hero-copy h1 {
    font-size: clamp(2.2rem, 5.5vw, 4.6rem);
    margin-bottom: 1rem;
    max-width: 11ch;
    letter-spacing: -0.01em;
}

.hero-copy p {
    color: var(--muted);
    max-width: 52ch;
    font-size: clamp(1rem, 1.3vw, 1.25rem);
}

.hero-cta {
    margin: 1.6rem 0;
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.68rem 1.2rem;
    border-radius: 999px;
    font-weight: 600;
    border: 1px solid transparent;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: linear-gradient(120deg, #0ea5a0, #22d3ee);
    color: #001418;
    box-shadow: 0 10px 20px rgba(30, 209, 203, 0.24);
}

.btn-ghost {
    border-color: rgba(163, 246, 243, 0.5);
    color: var(--ink);
    background: rgba(15, 68, 74, 0.35);
}

.hero-meta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    color: #c7f4f2;
    font-size: 0.9rem;
}

.hero-meta i {
    color: var(--teal);
    margin-right: 0.35rem;
}

.hero-visual {
    position: relative;
    display: grid;
    gap: 0.85rem;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    align-items: start;
}

.portrait-wrap {
    width: 100%;
    grid-column: 2 / 7;
    aspect-ratio: 1 / 1;
    border-radius: 28px;
    overflow: hidden;
    border: 1px solid rgba(183, 251, 247, 0.35);
    box-shadow: var(--shadow);
}

.portrait-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.stat-card {
    width: 100%;
    padding: 1rem;
    border-radius: 16px;
    background: var(--panel);
    border: 1px solid var(--panel-border);
    backdrop-filter: blur(9px);
}

.hero-visual .stat-card {
    grid-column: 1 / 5;
    margin-top: -0.35rem;
}

.hero-visual .stat-card.alt {
    grid-column: 3 / 7;
    margin-top: 0;
}

.stat-card h3 {
    margin-bottom: 0.25rem;
    color: #d9ff76;
    font-size: 1.3rem;
}

.stat-card.alt h3 {
    color: #89f7fe;
}

.section-heading {
    margin-bottom: 1.4rem;
}

.section-heading h2 {
    font-size: clamp(1.6rem, 4vw, 2.8rem);
}

.summary-grid,
.focus-grid,
.split-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.focus-card,
.pub-item,
.timeline-item,
.panel,
.contact-card,
.stat-card {
    border-radius: 18px;
    border: 1px solid var(--panel-border);
    background: var(--panel);
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow);
    position: relative;
    isolation: isolate;
}

.card,
.focus-card,
.pub-item,
.timeline-item,
.panel {
    padding: 1.1rem;
}

.focus-card ul,
.panel ul {
    margin: 0.6rem 0 0;
    padding-left: 1rem;
    color: var(--muted);
}

.pub-list,
.timeline {
    display: grid;
    gap: 0.8rem;
}

.pub-item h3,
.timeline-item h3 {
    font-size: 1.2rem;
}

.pub-item p,
.timeline-item p,
.card p,
.focus-card p,
.panel p,
.contact-card p {
    color: var(--muted);
    margin: 0;
}

.pub-item a {
    display: inline-block;
    margin-top: 0.55rem;
    color: #98fff2;
    font-weight: 600;
    font-size: 0.92rem;
}

.time {
    color: #facc15;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.split-grid {
    grid-template-columns: 1.1fr 1fr;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.skill-tags span {
    padding: 0.32rem 0.72rem;
    border-radius: 999px;
    background: rgba(102, 241, 228, 0.14);
    border: 1px solid rgba(151, 248, 237, 0.35);
    font-size: 0.9rem;
}

.contact-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
    padding: 1.3rem;
}

.contact-links {
    display: grid;
    gap: 0.55rem;
}

.contact-links a {
    color: #ccfff9;
    font-weight: 500;
}

.contact-links i {
    width: 20px;
    color: var(--teal);
}

.card::before,
.focus-card::before,
.pub-item::before,
.timeline-item::before,
.panel::before,
.contact-card::before,
.stat-card::before {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(
        125deg,
        rgba(103, 232, 249, 0.95),
        rgba(45, 212, 191, 0.45),
        rgba(226, 247, 107, 0.85),
        rgba(103, 232, 249, 0.95)
    );
    background-size: 240% 240%;
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.5;
    pointer-events: none;
    animation: neon-border 8s linear infinite;
}

.card::after,
.focus-card::after,
.pub-item::after,
.timeline-item::after,
.panel::after,
.contact-card::after,
.stat-card::after {
    content: "";
    position: absolute;
    inset: -3px;
    border-radius: inherit;
    background: radial-gradient(circle at 20% 10%, rgba(103, 232, 249, 0.15), transparent 58%),
                radial-gradient(circle at 85% 85%, rgba(226, 247, 107, 0.14), transparent 62%);
    filter: blur(8px);
    opacity: 0.65;
    z-index: -1;
    pointer-events: none;
}

.footer {
    text-align: center;
    color: #97c7c7;
    padding: 2rem 1rem 2.7rem;
}

.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@keyframes drift {
    from {
        transform: translateY(0) scale(1);
    }
    to {
        transform: translateY(24px) scale(1.08);
    }
}

@keyframes rain {
    from {
        transform: translateY(-120px);
        opacity: 0;
    }
    18% {
        opacity: 0.25;
    }
    to {
        transform: translateY(110vh);
        opacity: 0;
    }
}

@keyframes neon-border {
    0% {
        background-position: 0% 50%;
    }
    100% {
        background-position: 100% 50%;
    }
}

@media (max-width: 900px) {
    .hero,
    .summary-grid,
    .focus-grid,
    .split-grid,
    .contact-card {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: auto;
        padding-top: 1.6rem;
    }

    .hero-copy h1 {
        max-width: none;
    }

    .hero-visual {
        grid-template-columns: 1fr;
    }

    .portrait-wrap,
    .hero-visual .stat-card,
    .hero-visual .stat-card.alt {
        grid-column: auto;
        margin-top: 0;
    }

    .nav-links {
        position: absolute;
        top: 64px;
        right: 0;
        display: none;
        width: min(240px, calc(100vw - 2rem));
        flex-direction: column;
        padding: 1rem;
        border-radius: 14px;
        border: 1px solid var(--panel-border);
        background: rgba(1, 28, 33, 0.95);
    }

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

    .menu-toggle {
        display: inline-block;
    }
}