/*
 * Frey Gabor developer portfolio
 * Accent colour and core theme tokens are configured below.
 */
:root {
    color-scheme: light;
    --background: #f7f8ff;
    --background-deep: #eef1ff;
    --surface: #ffffff;
    --surface-raised: #fbfcff;
    --surface-soft: #eef2ff;
    --text: #11152f;
    --text-soft: #46516f;
    --text-muted: #65708b;
    --border: rgba(71, 79, 154, 0.14);
    --border-strong: rgba(71, 79, 154, 0.24);
    --accent: #087f9b;
    --accent-strong: #0e7490;
    --accent-soft: rgba(34, 211, 238, 0.14);
    --accent-faint: rgba(34, 211, 238, 0.07);
    --purple: #7c3aed;
    --purple-strong: #6d28d9;
    --purple-soft: rgba(124, 58, 237, 0.11);
    --violet: #6d28d9;
    --blue: #2563eb;
    --success: #0f766e;
    --warning: #92400e;
    --max-width: 1180px;
    --header-height: 76px;
    --radius-small: 8px;
    --radius: 14px;
    --radius-large: 22px;
    --shadow: 0 30px 80px rgba(47, 55, 125, 0.16);
    --font-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 22px);
}

body {
    min-width: 320px;
    margin: 0;
    overflow-x: hidden;
    background:
        radial-gradient(circle at 84% 4%, rgba(139, 92, 246, 0.16), transparent 32rem),
        radial-gradient(circle at 12% 16%, rgba(34, 211, 238, 0.14), transparent 30rem),
        linear-gradient(160deg, #ffffff 0%, var(--background) 48%, #f3efff 100%);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body::before {
    position: fixed;
    z-index: -1;
    inset: 0;
    background-image:
        linear-gradient(rgba(68, 86, 180, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(68, 86, 180, 0.04) 1px, transparent 1px);
    background-size: 52px 52px;
    mask-image: linear-gradient(to bottom, black, transparent 70%);
    content: "";
    pointer-events: none;
}

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

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

button,
input,
textarea,
select {
    color: inherit;
    font: inherit;
}

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

h1,
h2,
h3,
p,
ul,
ol,
dl,
dd {
    margin-top: 0;
}

ul,
ol {
    padding-left: 0;
}

[hidden] {
    display: none !important;
}

::selection {
    background: #d8ccff;
    color: #20104f;
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
}

.container {
    width: min(calc(100% - 40px), var(--max-width));
    margin-inline: auto;
}

.section {
    position: relative;
    padding-block: clamp(88px, 10vw, 144px);
}

.section-surface {
    border-block: 1px solid var(--border);
    background:
        radial-gradient(circle at 12% 30%, rgba(34, 211, 238, 0.1), transparent 25rem),
        radial-gradient(circle at 88% 68%, rgba(139, 92, 246, 0.12), transparent 30rem),
        var(--surface);
}

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

.skip-link {
    position: fixed;
    z-index: 1000;
    top: 10px;
    left: 10px;
    padding: 10px 16px;
    transform: translateY(-150%);
    border: 1px solid var(--accent);
    border-radius: var(--radius-small);
    background: var(--background);
    color: var(--text);
    font-weight: 700;
}

.skip-link:focus {
    transform: translateY(0);
}

.button {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    gap: 11px;
    padding: 12px 20px;
    border: 1px solid transparent;
    border-radius: var(--radius-small);
    font-size: 0.9rem;
    font-weight: 720;
    letter-spacing: -0.01em;
    transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

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

.button-primary {
    background: linear-gradient(135deg, var(--accent-strong), var(--purple-strong));
    box-shadow: 0 16px 44px rgba(34, 211, 238, 0.16), 0 10px 34px rgba(139, 92, 246, 0.2);
    color: #ffffff;
}

.button-primary:hover {
    background: linear-gradient(135deg, #0891b2, #7c3aed);
    box-shadow: 0 18px 52px rgba(34, 211, 238, 0.22), 0 12px 42px rgba(139, 92, 246, 0.27);
}

.button-secondary {
    border-color: rgba(167, 139, 250, 0.3);
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.08), rgba(139, 92, 246, 0.08));
    color: var(--text);
}

.button-secondary:hover {
    border-color: rgba(103, 232, 249, 0.48);
    background: linear-gradient(135deg, var(--accent-soft), var(--purple-soft));
}

.button-small {
    min-height: 40px;
    padding: 8px 14px;
    font-size: 0.79rem;
}

.eyebrow,
.section-kicker {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
    color: var(--text-soft);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.09em;
    line-height: 1.2;
    text-transform: uppercase;
}

.section-kicker > span:not(.status-pulse) {
    color: var(--accent);
}

.status-pulse {
    position: relative;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--purple));
    box-shadow: 0 0 0 5px var(--purple-soft), 0 0 20px rgba(103, 232, 249, 0.42);
}

.status-pulse::after {
    position: absolute;
    inset: -6px;
    animation: status-pulse 2.3s ease-out infinite;
    border: 1px solid var(--purple);
    border-radius: inherit;
    content: "";
}

@keyframes status-pulse {
    0% { opacity: 0.7; transform: scale(0.55); }
    70%, 100% { opacity: 0; transform: scale(1.2); }
}

/* Header and navigation */
.site-header {
    position: sticky;
    z-index: 100;
    top: 0;
    height: var(--header-height);
    border-bottom: 1px solid transparent;
    background: rgba(250, 251, 255, 0.78);
    backdrop-filter: blur(18px);
    transition: border-color 180ms ease, background-color 180ms ease;
}

.site-header.is-scrolled {
    border-color: var(--border);
    background: rgba(250, 251, 255, 0.94);
    box-shadow: 0 12px 36px rgba(62, 71, 145, 0.1);
}

.header-inner {
    display: flex;
    height: 100%;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.brand {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 12px;
}

.brand-mark {
    display: inline-flex;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-strong);
    border-radius: 9px;
    background: linear-gradient(145deg, rgba(34, 211, 238, 0.14), rgba(139, 92, 246, 0.2));
    box-shadow: inset 0 0 18px rgba(103, 232, 249, 0.06), 0 0 24px rgba(139, 92, 246, 0.11);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.88rem;
    font-weight: 800;
    letter-spacing: -0.06em;
}

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

.brand-copy {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.brand-copy strong {
    font-size: 0.9rem;
    letter-spacing: -0.02em;
}

.brand-copy small {
    margin-top: 4px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.61rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 5px;
}

.site-nav > a:not(.nav-cta) {
    padding: 9px 12px;
    border-radius: 6px;
    color: var(--text-soft);
    font-size: 0.82rem;
    font-weight: 620;
    transition: background-color 180ms ease, color 180ms ease;
}

.site-nav > a:not(.nav-cta):hover {
    background: rgba(76, 91, 180, 0.065);
    color: var(--text);
}

.nav-cta {
    margin-left: 8px;
    border-color: var(--border-strong);
    border-color: rgba(103, 232, 249, 0.26);
    background: linear-gradient(135deg, var(--accent-strong), var(--purple-strong));
    box-shadow: 0 8px 26px rgba(139, 92, 246, 0.2);
    color: #ffffff;
}

.nav-cta:hover {
    background: linear-gradient(135deg, #0891b2, #7c3aed);
}

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 0 11px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-small);
    background: var(--surface);
    cursor: pointer;
}

.menu-line {
    display: block;
    width: 20px;
    height: 1px;
    margin-block: 6px;
    background: currentColor;
    transition: transform 180ms ease;
}

.menu-toggle[aria-expanded="true"] .menu-line:first-of-type {
    transform: translateY(3.5px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-line:last-of-type {
    transform: translateY(-3.5px) rotate(-45deg);
}

/* Hero */
.hero {
    position: relative;
    display: flex;
    min-height: calc(100vh - var(--header-height));
    align-items: center;
    overflow: hidden;
    padding-block: clamp(72px, 9vw, 120px);
    border-bottom: 1px solid var(--border);
}

.hero::after {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 160px;
    background: linear-gradient(to bottom, transparent, rgba(239, 242, 255, 0.78));
    content: "";
    pointer-events: none;
}

.hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    align-items: center;
    grid-template-columns: minmax(0, 1.04fr) minmax(430px, 0.96fr);
    gap: clamp(50px, 7vw, 104px);
}

.hero-content h1 {
    max-width: 760px;
    margin-bottom: 28px;
    font-size: clamp(3.1rem, 5.35vw, 5.65rem);
    font-weight: 690;
    letter-spacing: -0.067em;
    line-height: 0.98;
}

.hero-content h1 span {
    background: linear-gradient(105deg, var(--accent) 12%, #2563eb 48%, var(--purple) 86%);
    background-clip: text;
    color: transparent;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 42px rgba(139, 92, 246, 0.18);
}

.hero-intro {
    max-width: 680px;
    margin-bottom: 35px;
    color: var(--text-soft);
    font-size: clamp(1rem, 1.3vw, 1.13rem);
    line-height: 1.72;
}

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

.hero-details {
    display: flex;
    flex-wrap: wrap;
    gap: 26px 44px;
    margin: 42px 0 0;
    list-style: none;
}

.hero-details li {
    display: flex;
    flex-direction: column;
    color: var(--text-soft);
    font-size: 0.8rem;
    font-weight: 620;
}

.hero-details span {
    margin-bottom: 4px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.64rem;
    font-weight: 500;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.developer-window {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(146, 137, 255, 0.32);
    border-radius: var(--radius);
    background: linear-gradient(155deg, rgba(255, 255, 255, 0.96), rgba(244, 246, 255, 0.94));
    box-shadow: var(--shadow), 0 0 90px rgba(139, 92, 246, 0.14), -22px 12px 80px rgba(34, 211, 238, 0.12);
    backdrop-filter: blur(12px);
}

.developer-window::before {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background:
        linear-gradient(135deg, rgba(103, 232, 249, 0.09), transparent 28%),
        linear-gradient(315deg, rgba(139, 92, 246, 0.12), transparent 36%);
    content: "";
    pointer-events: none;
}

.window-bar,
.window-footer {
    position: relative;
    display: flex;
    align-items: center;
    border-color: var(--border);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.64rem;
}

.window-bar {
    height: 48px;
    justify-content: space-between;
    padding-inline: 16px;
    border-bottom: 1px solid var(--border);
    background: rgba(87, 102, 193, 0.045);
}

.window-dots {
    display: flex;
    gap: 6px;
}

.window-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(60, 71, 137, 0.22);
}

.window-dots span:nth-child(2) {
    background: rgba(103, 232, 249, 0.72);
}

.window-dots span:nth-child(3) {
    background: rgba(167, 139, 250, 0.72);
}

.window-status {
    color: var(--accent);
}

.window-body {
    position: relative;
    min-height: 405px;
    padding: 26px 24px 24px;
}

.code-block {
    display: grid;
    grid-template-columns: 28px 1fr;
    row-gap: 11px;
    color: #29324f;
    font-family: var(--font-mono);
    font-size: clamp(0.67rem, 0.92vw, 0.78rem);
    line-height: 1.45;
}

.line-number {
    color: #a1abc1;
    user-select: none;
}

.code-block code {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.code-violet { color: var(--violet); }
.code-blue { color: var(--blue); }
.code-green { color: var(--accent); }

.profile-chip {
    position: absolute;
    right: 24px;
    bottom: 24px;
    left: 24px;
    display: grid;
    align-items: center;
    padding: 13px;
    border: 1px solid rgba(167, 139, 250, 0.32);
    border-radius: 11px;
    background: linear-gradient(135deg, rgba(247, 253, 255, 0.98), rgba(247, 242, 255, 0.98));
    box-shadow: 0 18px 46px rgba(60, 67, 140, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.9);
    grid-template-columns: 74px 1fr;
    gap: 15px;
}

.profile-chip img {
    width: 74px;
    height: 74px;
    border-radius: 8px;
    box-shadow: 0 0 0 1px rgba(103, 232, 249, 0.26), 0 0 24px rgba(139, 92, 246, 0.18);
    filter: grayscale(100%) contrast(1.04);
    object-fit: cover;
}

.profile-chip div {
    display: flex;
    min-width: 0;
    flex-direction: column;
}

.profile-chip span,
.profile-chip small {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.profile-chip strong {
    margin-block: 4px;
    font-size: 1rem;
}

.profile-chip small {
    color: var(--accent);
}

.window-footer {
    min-height: 34px;
    justify-content: flex-end;
    gap: 18px;
    padding-inline: 16px;
    border-top: 1px solid var(--border);
    background: rgba(87, 102, 193, 0.035);
}

.window-footer i {
    display: inline-block;
    width: 5px;
    height: 5px;
    margin-right: 6px;
    border-radius: 50%;
    background: var(--accent);
}

.hero-glow {
    position: absolute;
    top: 18%;
    right: -10%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: rgba(139, 92, 246, 0.2);
    box-shadow: -360px 180px 170px rgba(34, 211, 238, 0.12);
    filter: blur(105px);
    pointer-events: none;
}

/* Section headings */
.section-heading h2,
.about-content h2,
.contact-copy h2 {
    margin-bottom: 20px;
    font-size: clamp(2.35rem, 4.2vw, 4.25rem);
    font-weight: 650;
    letter-spacing: -0.055em;
    line-height: 1.04;
}

.section-heading > p:not(.section-kicker),
.split-heading > p {
    max-width: 590px;
    margin-bottom: 0;
    color: var(--text-soft);
}

.split-heading {
    display: grid;
    align-items: end;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    gap: 60px;
}

.split-heading h2 {
    margin-bottom: 0;
}

/* Developments */
.developments {
    background:
        radial-gradient(circle at 82% 28%, rgba(139, 92, 246, 0.09), transparent 30rem),
        radial-gradient(circle at 8% 72%, rgba(34, 211, 238, 0.06), transparent 27rem),
        var(--background-deep);
}

.sample-notice {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-block: 44px 22px;
    padding: 13px 16px;
    border: 1px dashed rgba(167, 139, 250, 0.4);
    border-radius: var(--radius-small);
    background: linear-gradient(90deg, var(--accent-faint), var(--purple-soft));
}

.sample-notice p {
    margin: 0;
    color: var(--text-soft);
    font-size: 0.78rem;
}

.sample-notice code {
    color: var(--accent);
    font-family: var(--font-mono);
}

.sample-label {
    flex: 0 0 auto;
    padding: 4px 8px;
    border-radius: 4px;
    background: linear-gradient(135deg, var(--accent-soft), var(--purple-soft));
    color: #5b21b6;
    font-family: var(--font-mono);
    font-size: 0.61rem;
    font-weight: 800;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.project-filters {
    display: flex;
    margin-bottom: 16px;
    padding-bottom: 8px;
    overflow-x: auto;
    gap: 7px;
    scrollbar-color: var(--border-strong) transparent;
}

.filter-button {
    flex: 0 0 auto;
    padding: 9px 13px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: rgba(113, 126, 224, 0.05);
    color: var(--text-soft);
    font-size: 0.73rem;
    font-weight: 680;
    transition: border-color 160ms ease, background-color 160ms ease, color 160ms ease;
}

.filter-button:hover {
    border-color: var(--border-strong);
    color: var(--text);
}

.filter-button.is-active {
    border-color: rgba(139, 160, 255, 0.52);
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.18), rgba(139, 92, 246, 0.24));
    box-shadow: 0 8px 26px rgba(86, 71, 190, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.06);
    color: #22285b;
}

.noscript-note {
    padding: 12px 14px;
    border: 1px solid var(--warning);
    border-radius: var(--radius-small);
    color: var(--warning);
    font-size: 0.8rem;
}

.results-row {
    display: flex;
    min-height: 31px;
    align-items: center;
    justify-content: flex-end;
    margin-bottom: 12px;
}

.results-row p {
    margin: 0;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.66rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.results-row span:first-child {
    color: var(--text-soft);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.project-card {
    position: relative;
    display: flex;
    min-height: 570px;
    flex-direction: column;
    padding: 23px;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background:
        linear-gradient(145deg, rgba(103, 232, 249, 0.045), transparent 35%),
        linear-gradient(325deg, rgba(139, 92, 246, 0.055), transparent 42%),
        var(--surface);
    transition: border-color 220ms ease, background-color 220ms ease, transform 220ms ease, box-shadow 220ms ease;
}

.project-card::before {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), var(--purple), transparent);
    content: "";
    opacity: 0;
    transition: opacity 220ms ease;
}

.project-card:hover {
    z-index: 2;
    border-color: rgba(143, 142, 255, 0.38);
    background-color: var(--surface-raised);
    box-shadow: 0 24px 62px rgba(51, 60, 133, 0.16), 0 0 40px rgba(139, 92, 246, 0.1);
    transform: translateY(-4px);
}

.project-card:hover::before {
    opacity: 1;
}

.project-topline {
    display: flex;
    min-height: 54px;
    align-items: flex-start;
    justify-content: space-between;
    gap: 15px;
}

.project-icon {
    display: grid;
    width: 50px;
    height: 50px;
    flex: 0 0 50px;
    place-items: center;
    border: 1px solid rgba(103, 232, 249, 0.3);
    border-radius: 10px;
    background: linear-gradient(145deg, rgba(34, 211, 238, 0.15), rgba(139, 92, 246, 0.2));
    box-shadow: inset 0 0 18px rgba(103, 232, 249, 0.05), 0 8px 24px rgba(4, 6, 30, 0.25);
    color: #14536b;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: -0.04em;
}

.project-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 6px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 7px;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.56rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    line-height: 1.25;
    text-transform: uppercase;
}

.badge-featured {
    border-color: rgba(167, 139, 250, 0.34);
    background: linear-gradient(135deg, var(--accent-soft), var(--purple-soft));
    color: #5b21b6;
}

.badge-status > span {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: currentColor;
}

.status-active,
.status-maintained,
.status-released {
    color: var(--success);
}

.status-progress,
.status-beta {
    color: var(--blue);
}

.status-prototype,
.status-concept {
    color: var(--warning);
}

.project-copy {
    margin-top: 27px;
}

.project-category {
    margin-bottom: 7px;
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.61rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.project-copy h3 {
    margin-bottom: 12px;
    font-size: 1.3rem;
    font-weight: 670;
    letter-spacing: -0.035em;
    line-height: 1.2;
}

.project-copy > p:last-child {
    min-height: 82px;
    margin-bottom: 0;
    color: var(--text-soft);
    font-size: 0.84rem;
    line-height: 1.62;
}

.project-meta {
    display: grid;
    margin: 24px 0 20px;
    padding-block: 15px;
    border-block: 1px solid var(--border);
    grid-template-columns: 1.2fr 0.8fr;
    gap: 16px;
}

.project-meta div {
    min-width: 0;
}

.project-meta dt {
    margin-bottom: 3px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.55rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.project-meta dd {
    margin: 0;
    overflow: hidden;
    color: #35405e;
    font-size: 0.69rem;
    font-weight: 600;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    margin: 0 0 18px;
    list-style: none;
    gap: 6px;
}

.tag-list li {
    padding: 4px 7px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: rgba(111, 128, 220, 0.05);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.57rem;
}

.project-details {
    margin-top: auto;
    margin-bottom: 12px;
    border: 1px solid var(--border);
    border-radius: 7px;
    background: rgba(108, 120, 216, 0.045);
}

.project-details summary {
    display: flex;
    min-height: 40px;
    align-items: center;
    justify-content: space-between;
    padding: 8px 11px;
    color: var(--text-soft);
    cursor: pointer;
    font-size: 0.7rem;
    font-weight: 700;
    list-style: none;
}

.project-details summary::-webkit-details-marker {
    display: none;
}

.project-details summary:hover {
    color: var(--text);
}

.project-details summary span {
    color: var(--purple);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.project-details p {
    margin: 0;
    padding: 2px 11px 12px;
    color: var(--text-muted);
    font-size: 0.7rem;
    line-height: 1.55;
}

.project-website {
    display: flex;
    min-height: 45px;
    align-items: center;
    justify-content: space-between;
    padding: 10px 13px;
    border: 1px solid rgba(134, 155, 255, 0.36);
    border-radius: 7px;
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.15), rgba(139, 92, 246, 0.2));
    color: #193a66;
    font-size: 0.76rem;
    font-weight: 760;
    transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.project-website:hover {
    background: linear-gradient(135deg, var(--accent-strong), var(--purple-strong));
    box-shadow: 0 12px 34px rgba(139, 92, 246, 0.22);
    color: #ffffff;
}

.project-website span {
    font-size: 1rem;
    transition: transform 180ms ease;
}

.project-website:hover span {
    transform: translate(2px, -2px);
}

.filter-enter {
    animation: filter-enter 280ms ease both;
}

@keyframes filter-enter {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* About */
.about-grid {
    display: grid;
    align-items: center;
    grid-template-columns: minmax(300px, 0.68fr) minmax(0, 1.32fr);
    gap: clamp(54px, 9vw, 130px);
}

.about-portrait {
    width: min(100%, 410px);
}

.portrait-frame {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(151, 142, 255, 0.36);
    border-radius: var(--radius);
    background: var(--surface-soft);
    box-shadow: 0 26px 72px rgba(56, 64, 135, 0.18), 0 0 60px rgba(139, 92, 246, 0.12);
}

.portrait-frame::after {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(7, 8, 35, 0.52), transparent 38%);
    content: "";
    pointer-events: none;
}

.portrait-frame img {
    width: 100%;
    aspect-ratio: 1 / 1.06;
    filter: grayscale(100%) contrast(1.04);
    object-fit: cover;
}

.portrait-coordinate {
    position: absolute;
    z-index: 2;
    right: 14px;
    bottom: 13px;
    padding: 5px 8px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 4px;
    background: rgba(8, 10, 39, 0.76);
    color: rgba(255, 255, 255, 0.65);
    font-family: var(--font-mono);
    font-size: 0.54rem;
    letter-spacing: 0.04em;
    backdrop-filter: blur(8px);
}

.portrait-caption {
    display: flex;
    flex-direction: column;
    padding: 16px 2px 0;
}

.portrait-caption span {
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.portrait-caption strong {
    margin-top: 2px;
    font-size: 0.79rem;
}

.about-content h2 {
    max-width: 690px;
}

.about-lead {
    max-width: 720px;
    margin-bottom: 40px;
    color: var(--text-soft);
    font-size: 1rem;
    line-height: 1.75;
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.principles-grid article {
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: linear-gradient(145deg, rgba(103, 232, 249, 0.035), rgba(139, 92, 246, 0.045));
}

.principles-grid article > span {
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.59rem;
}

.principles-grid h3 {
    margin: 25px 0 8px;
    font-size: 0.86rem;
    letter-spacing: -0.02em;
}

.principles-grid p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.69rem;
    line-height: 1.55;
}

.about-facts {
    display: grid;
    margin: 38px 0 0;
    padding-top: 23px;
    border-top: 1px solid var(--border);
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.about-facts dt {
    margin-bottom: 5px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.58rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.about-facts dd {
    margin: 0;
    color: var(--text);
    font-size: 0.78rem;
    font-weight: 650;
}

/* Skills */
.skills-layout {
    display: grid;
    align-items: start;
    grid-template-columns: minmax(290px, 0.75fr) minmax(0, 1.25fr);
    gap: clamp(54px, 9vw, 130px);
}

.skills-layout .section-heading h2 {
    font-size: clamp(2.3rem, 3.6vw, 3.6rem);
}

.skills-cloud {
    display: flex;
    flex-wrap: wrap;
    margin: 0;
    list-style: none;
    gap: 9px;
}

.skills-cloud li {
    display: flex;
    min-height: 48px;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    border: 1px solid var(--border);
    border-radius: 7px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(246, 244, 255, 0.96));
    box-shadow: 0 9px 24px rgba(67, 74, 145, 0.06);
    color: #36415f;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.skills-cloud li:hover {
    border-color: rgba(143, 142, 255, 0.42);
    background: linear-gradient(135deg, var(--accent-soft), var(--purple-soft));
    box-shadow: 0 10px 30px rgba(78, 59, 180, 0.14);
    color: var(--text);
    transform: translateY(-2px);
}

.skills-cloud span {
    color: var(--accent);
}

/* Contact */
.contact {
    padding-top: 20px;
}

.contact-panel {
    position: relative;
    display: grid;
    padding: clamp(34px, 6vw, 76px);
    overflow: hidden;
    border: 1px solid rgba(142, 146, 255, 0.34);
    border-radius: var(--radius-large);
    background:
        radial-gradient(circle at 95% 0, rgba(103, 232, 249, 0.16), transparent 28rem),
        radial-gradient(circle at 12% 100%, rgba(139, 92, 246, 0.18), transparent 30rem),
        linear-gradient(135deg, #ffffff, #f2f4ff);
    box-shadow: var(--shadow), 0 0 80px rgba(139, 92, 246, 0.1);
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
    gap: clamp(50px, 8vw, 110px);
}

.contact-panel::before {
    position: absolute;
    right: -40px;
    bottom: -80px;
    color: rgba(91, 70, 190, 0.045);
    content: "</>";
    font-family: var(--font-mono);
    font-size: 16rem;
    font-weight: 800;
    letter-spacing: -0.15em;
    line-height: 1;
    pointer-events: none;
}

.contact-copy,
.contact-options {
    position: relative;
    z-index: 2;
}

.contact-copy > p:not(.section-kicker) {
    max-width: 650px;
    margin-bottom: 30px;
    color: var(--text-soft);
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 5px;
    border-bottom: 1px solid rgba(167, 139, 250, 0.55);
    background: linear-gradient(90deg, var(--accent), var(--purple));
    background-clip: text;
    color: transparent;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: clamp(1rem, 2vw, 1.34rem);
    font-weight: 720;
    letter-spacing: -0.03em;
}

.contact-email span {
    font-size: 1rem;
    transition: transform 180ms ease;
}

.contact-email:hover span {
    transform: translate(2px, -2px);
}

.contact-options {
    padding-left: clamp(0px, 4vw, 50px);
    border-left: 1px solid var(--border);
}

.contact-options > p {
    margin-bottom: 17px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.64rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.contact-options ul {
    display: grid;
    margin: 0;
    list-style: none;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 16px;
}

.contact-options li {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #46516f;
    font-size: 0.75rem;
}

.contact-options li span {
    color: var(--accent);
    font-family: var(--font-mono);
}

.contact-socials {
    display: flex;
    flex-wrap: wrap;
    margin-top: 30px;
    gap: 8px;
}

.contact-socials a,
.footer-socials a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 9px;
    border-radius: 5px;
    color: var(--text-soft);
    font-size: 0.7rem;
    font-weight: 650;
    transition: background-color 160ms ease, color 160ms ease;
}

.contact-socials a:hover,
.footer-socials a:hover {
    background: linear-gradient(135deg, var(--accent-faint), var(--purple-soft));
    color: #30225f;
}

/* Footer */
.site-footer {
    padding-top: 54px;
    border-top: 1px solid var(--border);
    background:
        radial-gradient(circle at 75% 100%, rgba(139, 92, 246, 0.08), transparent 24rem),
        var(--background-deep);
}

.footer-grid {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 40px;
    padding-bottom: 46px;
}

.footer-brand > p {
    margin: 17px 0 0;
    color: var(--text-muted);
    font-size: 0.74rem;
}

.footer-socials {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 2px;
}

.footer-bottom {
    display: flex;
    min-height: 66px;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.footer-bottom p {
    margin: 0;
}

.footer-bottom span {
    color: var(--accent);
}

/* Motion */
.js .reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 600ms ease, transform 600ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.js .reveal[data-delay="1"] {
    transition-delay: 110ms;
}

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

/* Responsive layout */
@media (max-width: 1060px) {
    .hero-grid {
        grid-template-columns: minmax(0, 1fr) minmax(380px, 0.85fr);
        gap: 44px;
    }

    .hero-content h1 {
        font-size: clamp(3rem, 6vw, 4.7rem);
    }

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

    .project-card {
        min-height: 550px;
    }

    .project-copy > p:last-child {
        min-height: 60px;
    }

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

    .principles-grid article {
        display: grid;
        align-items: start;
        grid-template-columns: 32px 155px 1fr;
        gap: 10px;
    }

    .principles-grid h3 {
        margin: 0;
    }

    .contact-panel {
        grid-template-columns: 1fr 0.8fr;
        gap: 48px;
    }
}

@media (max-width: 820px) {
    :root {
        --header-height: 68px;
    }

    .container {
        width: min(calc(100% - 32px), var(--max-width));
    }

    .js.menu-open {
        overflow: hidden;
    }

    .menu-toggle {
        display: block;
    }

    .js .site-nav {
        position: fixed;
        z-index: 90;
        top: var(--header-height);
        right: 0;
        left: 0;
        display: flex;
        max-height: 0;
        flex-direction: column;
        align-items: stretch;
        padding: 0 16px;
        overflow: hidden;
        border-bottom: 1px solid transparent;
        background: rgba(250, 251, 255, 0.98);
        opacity: 0;
        pointer-events: none;
        visibility: hidden;
        transition: max-height 240ms ease, opacity 180ms ease, padding 240ms ease, border-color 240ms ease, visibility 240ms ease;
    }

    .js .site-nav.is-open {
        max-height: 430px;
        padding-block: 15px 19px;
        border-color: var(--border);
        opacity: 1;
        pointer-events: auto;
        visibility: visible;
    }

    .site-nav > a:not(.nav-cta) {
        padding: 13px 12px;
        font-size: 0.94rem;
    }

    .nav-cta {
        margin: 8px 0 0;
    }

    .no-js .header-inner {
        height: auto;
        min-height: var(--header-height);
        flex-wrap: wrap;
        padding-block: 11px;
    }

    .no-js .site-header {
        height: auto;
    }

    .no-js .menu-toggle {
        display: none;
    }

    .no-js .site-nav {
        width: 100%;
        flex-wrap: wrap;
        padding-bottom: 8px;
        pointer-events: auto;
        visibility: visible;
    }

    .hero {
        min-height: auto;
        padding-block: 76px 90px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 58px;
    }

    .hero-content {
        max-width: 710px;
    }

    .hero-content h1 {
        max-width: 680px;
        font-size: clamp(3rem, 10vw, 5rem);
    }

    .developer-window {
        width: min(100%, 600px);
    }

    .split-heading,
    .about-grid,
    .skills-layout,
    .contact-panel {
        grid-template-columns: 1fr;
    }

    .split-heading {
        gap: 22px;
    }

    .split-heading > p {
        max-width: 650px;
    }

    .about-grid {
        gap: 60px;
    }

    .about-portrait {
        width: min(74vw, 390px);
    }

    .skills-layout {
        gap: 45px;
    }

    .contact-panel {
        gap: 42px;
    }

    .contact-options {
        padding: 32px 0 0;
        border-top: 1px solid var(--border);
        border-left: 0;
    }
}

@media (max-width: 620px) {
    .section {
        padding-block: 82px;
    }

    .brand-copy {
        display: none;
    }

    .hero-content h1 {
        font-size: clamp(2.75rem, 13.2vw, 4.2rem);
    }

    .hero-intro {
        font-size: 0.96rem;
    }

    .hero-actions,
    .hero-actions .button {
        width: 100%;
    }

    .hero-details {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .window-body {
        min-height: 360px;
        padding: 22px 16px;
    }

    .code-block {
        row-gap: 8px;
        font-size: 0.61rem;
    }

    .profile-chip {
        right: 16px;
        bottom: 16px;
        left: 16px;
        grid-template-columns: 62px 1fr;
    }

    .profile-chip img {
        width: 62px;
        height: 62px;
    }

    .window-footer span:nth-child(2),
    .window-footer span:nth-child(3) {
        display: none;
    }

    .sample-notice {
        align-items: flex-start;
        flex-direction: column;
    }

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

    .project-card {
        min-height: 0;
    }

    .project-copy > p:last-child {
        min-height: 0;
    }

    .project-details {
        margin-top: 14px;
    }

    .about-portrait {
        width: min(88vw, 390px);
    }

    .principles-grid article {
        display: block;
    }

    .principles-grid h3 {
        margin: 22px 0 8px;
    }

    .about-facts {
        grid-template-columns: 1fr;
    }

    .skills-cloud li {
        min-height: 44px;
        padding: 9px 12px;
        font-size: 0.66rem;
    }

    .contact-panel {
        width: min(calc(100% - 24px), var(--max-width));
        padding: 29px 22px;
        border-radius: var(--radius);
    }

    .contact-options ul {
        grid-template-columns: 1fr;
    }

    .contact-email {
        font-size: 0.96rem;
    }

    .footer-grid,
    .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
    }

    .footer-socials {
        justify-content: flex-start;
    }

    .footer-bottom {
        justify-content: center;
        padding-block: 19px;
        gap: 7px;
    }
}

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

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

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