* {
    box-sizing: border-box;
}

:root {
    color-scheme: dark;
    --bg: #0b0f17;
    --bg-elevated: rgba(18, 24, 37, 0.92);
    --panel: rgba(20, 28, 43, 0.88);
    --panel-strong: rgba(27, 37, 56, 0.98);
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.14);
    --text: #e7eefc;
    --muted: #98a7c2;
    --accent: #7dd3fc;
    --accent-strong: #38bdf8;
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
    --radius-lg: 28px;
    --radius-md: 18px;
    --radius-sm: 14px;
    --section-gap: clamp(4rem, 8vw, 7rem);
    --content-width: min(1120px, calc(100vw - 2rem));
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(56, 189, 248, 0.18), transparent 28%),
        radial-gradient(circle at 80% 18%, rgba(125, 211, 252, 0.12), transparent 24%),
        linear-gradient(180deg, #0b0f17 0%, #090c13 100%);
    color: var(--text);
    font-family: "Space Grotesk", "Segoe UI", sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 80%);
    opacity: 0.3;
}

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

button,
a {
    -webkit-tap-highlight-color: transparent;
}

img {
    max-width: 100%;
    display: block;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.noise {
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.05;
    background-image: radial-gradient(circle at 20% 20%, #ffffff 0 1px, transparent 1px), radial-gradient(circle at 80% 30%, #ffffff 0 1px, transparent 1px), radial-gradient(circle at 55% 75%, #ffffff 0 1px, transparent 1px);
    background-size: 220px 220px;
}

.site-header,
.section,
.site-footer {
    width: var(--content-width);
    margin: 0 auto;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.2rem 0;
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(16px);
}

.site-header::before {
    content: "";
    position: absolute;
    inset: 0 -1rem;
    background: rgba(9, 12, 19, 0.68);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    z-index: -1;
}

.brand {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.primary-nav {
    display: flex;
    align-items: center;
    gap: 1.4rem;
    color: var(--muted);
}

.primary-nav a {
    position: relative;
    padding-bottom: 0.15rem;
}

.primary-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 180ms ease;
}

.primary-nav a:hover::after,
.primary-nav a:focus-visible::after {
    transform: scaleX(1);
}

.menu-toggle {
    display: none;
    width: 48px;
    height: 48px;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.02);
    color: var(--text);
    cursor: pointer;
}

.menu-toggle span:not(.sr-only) {
    display: block;
    width: 18px;
    height: 2px;
    margin: 4px auto;
    border-radius: 999px;
    background: currentColor;
}

.section {
    padding: var(--section-gap) 0 0;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.7fr);
    align-items: center;
    gap: clamp(2rem, 6vw, 5rem);
    padding-top: clamp(3rem, 8vw, 7rem);
}

.eyebrow {
    margin: 0 0 0.9rem;
    color: var(--accent);
    font: 500 0.82rem/1.2 "IBM Plex Mono", monospace;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

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

h1 {
    margin-bottom: 1rem;
    font-size: clamp(3rem, 7vw, 6rem);
    line-height: 0.94;
    letter-spacing: -0.05em;
    max-width: 11ch;
}

h2 {
    font-size: clamp(1.8rem, 3vw, 3rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin-bottom: 0;
}

h3 {
    font-size: 1.35rem;
    line-height: 1.15;
    margin-bottom: 0.6rem;
}

.lead,
.split p,
.skill-card p,
.project-card p,
.contact-card p,
.profile-note {
    color: var(--muted);
    font-size: 1.03rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin: 2rem 0;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0.85rem 1.25rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 500;
    transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-1px);
}

.button-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #04121b;
    box-shadow: 0 18px 50px rgba(56, 189, 248, 0.25);
}

.button-secondary {
    border-color: var(--border-strong);
    background: rgba(255, 255, 255, 0.02);
}

.hero-meta {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.meta-label,
.project-tag {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--muted);
    font: 500 0.75rem/1.2 "IBM Plex Mono", monospace;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.meta-value {
    display: block;
    font-size: 0.98rem;
}

.hero-visual {
    position: relative;
}

.hero-visual::before {
    content: "";
    position: absolute;
    inset: 12% 12% auto auto;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.2), transparent 70%);
    filter: blur(8px);
}

.profile-card,
.skill-card,
.project-card,
.contact-card {
    position: relative;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, rgba(21, 29, 44, 0.9), rgba(15, 20, 31, 0.92));
    box-shadow: var(--shadow);
}

.profile-card {
    max-width: 360px;
    margin-left: auto;
    padding: 1.2rem;
    backdrop-filter: blur(18px);
}

.profile-photo {
    overflow: hidden;
    display: grid;
    place-items: center;
    aspect-ratio: 4 / 5;
    border-radius: calc(var(--radius-lg) - 8px);
    margin-bottom: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background:
        radial-gradient(circle at 50% 25%, rgba(56, 189, 248, 0.45), transparent 35%),
        linear-gradient(160deg, rgba(56, 189, 248, 0.18), rgba(255, 255, 255, 0.04)),
        #101826;
    color: rgba(231, 238, 252, 0.86);
    font: 500 1rem/1.2 "IBM Plex Mono", monospace;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.profile-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.profile-name {
    margin-bottom: 0.1rem;
    font-size: 1.1rem;
    font-weight: 700;
}

.profile-title {
    margin-bottom: 0.8rem;
    color: var(--accent);
    font-size: 0.95rem;
}

.profile-note {
    margin-bottom: 0;
}

.split {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 1.5rem;
    align-items: end;
    padding-top: calc(var(--section-gap) * 0.85);
}

.section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.section-heading h2 {
    max-width: 12ch;
}

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

.skill-card,
.project-card,
.contact-card {
    padding: 1.3rem;
}

.skill-card span {
    display: inline-flex;
    margin-bottom: 0.9rem;
    padding: 0.4rem 0.7rem;
    border-radius: 999px;
    background: rgba(125, 211, 252, 0.08);
    color: var(--accent);
    font: 500 0.76rem/1.2 "IBM Plex Mono", monospace;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.featured {
    background: linear-gradient(180deg, rgba(30, 41, 59, 0.95), rgba(15, 20, 31, 0.95));
}

.muted {
    background: rgba(255, 255, 255, 0.02);
}

.project-card p {
    margin-bottom: 0;
}

.contact {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.8fr);
    gap: 1.2rem;
    align-items: start;
    padding-bottom: 4rem;
}

.contact-card {
    display: grid;
    gap: 0.8rem;
}

.contact-link {
    display: inline-flex;
    width: fit-content;
    padding-bottom: 0.15rem;
    color: var(--text);
    border-bottom: 1px solid var(--border-strong);
}

.site-footer {
    padding: 0 0 2rem;
    color: var(--muted);
    font: 400 0.92rem/1.5 "IBM Plex Mono", monospace;
}

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 560ms ease, transform 560ms ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.menu-open .primary-nav {
    display: flex;
}

@media (max-width: 920px) {

    .hero,
    .split,
    .contact,
    .section-heading {
        grid-template-columns: 1fr;
    }

    .hero,
    .split,
    .contact {
        display: grid;
    }

    .section-heading {
        align-items: start;
    }

    .section-heading h2,
    h1 {
        max-width: none;
    }

    .hero-visual {
        order: -1;
    }

    .profile-card {
        margin: 0;
    }
}

@media (max-width: 760px) {
    .site-header {
        flex-wrap: wrap;
    }

    .menu-toggle {
        display: inline-grid;
        place-items: center;
    }

    .primary-nav {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.8rem;
        padding: 1rem 0 0.2rem;
    }

    .hero-meta,
    .skill-grid,
    .project-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding-top: 2rem;
    }

    .site-header::before {
        inset: 0 calc(50% - 50vw);
    }
}

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

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

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