/* =============================================
   Catalog № Design System
   Instrument Serif + Sora · Terracotta Accent
   Light / Dark Theme Support
   ============================================= */

:root {
    color-scheme: light dark;

    /* Palette — warm tinted neutrals + terracotta (Light) */
    --bg: #f4f0e8;
    --bg-alt: #eae5db;
    --surface: #faf8f4;
    --ink: #322b24;
    --ink-soft: #706658;
    --ink-muted: #a09688;
    --accent: #c05d35;
    --accent-hover: #a84d2a;
    --accent-light: #f2dfd5;
    --accent-subtle: rgba(192, 93, 53, 0.06);
    --rule: #dad4ca;
    --rule-strong: #c8c1b6;
    --shadow-card: 0 1px 3px rgba(50, 43, 36, 0.04);
    --shadow-elevated: 0 8px 30px rgba(50, 43, 36, 0.08);

    /* Typography */
    --font-display: "Instrument Serif", Georgia, "Times New Roman", serif;
    --font-body: "Sora", system-ui, -apple-system, sans-serif;

    /* Motion */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --dur-fast: 150ms;
    --dur-med: 300ms;
    --dur-slow: 500ms;

    /* Spotlight cursor (set via JS) */
    --cursor-x: 50%;
    --cursor-y: 50%;

    /* Theme transition */
    --theme-transition: background-color 0.4s var(--ease-quart),
        color 0.4s var(--ease-quart),
        border-color 0.4s var(--ease-quart),
        box-shadow 0.4s var(--ease-quart);
}

/* ===== Dark Theme ===== */

[data-theme="dark"] {
    --bg: #1a1714;
    --bg-alt: #211e1a;
    --surface: #2a2520;
    --ink: #e8e0d4;
    --ink-soft: #b5a99a;
    --ink-muted: #7a7068;
    --accent: #d97b56;
    --accent-hover: #e8936e;
    --accent-light: #3d2a20;
    --accent-subtle: rgba(217, 123, 86, 0.08);
    --rule: #3a342d;
    --rule-strong: #4a433c;
    --shadow-card: none;
    --shadow-elevated: none;
}

/* ===== Reset ===== */

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

html {
    scroll-behavior: smooth;
    font-kerning: normal;
}

body {
    margin: 0;
    min-height: 100vh;
    overflow-x: hidden;
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.65;
    color: var(--ink);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    transition: var(--theme-transition);
}

/* Grain texture overlay for editorial feel */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 200px 200px;
}

[data-theme="dark"] body::before {
    opacity: 0.04;
}

/* ===== Scroll Progress Bar ===== */

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    z-index: 200;
    transform-origin: left;
    transition: width 80ms linear;
}

::selection {
    color: var(--surface);
    background: var(--accent);
}

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

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

a,
button {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.04);
}

button {
    font: inherit;
    color: inherit;
    background: none;
    border: none;
    cursor: pointer;
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

p,
h1,
h2,
h3,
blockquote,
ul,
ol,
dl {
    margin: 0;
}

ul,
ol {
    padding: 0;
    list-style: none;
}

/* ===== Skip Link ===== */

.skip-link {
    position: absolute;
    left: 1.5rem;
    top: -4rem;
    z-index: 200;
    padding: 0.625rem 1rem;
    background: var(--ink);
    color: var(--surface);
    font-size: 0.8125rem;
    font-weight: 600;
    transition: top var(--dur-fast) var(--ease-out);
}

.skip-link:focus-visible {
    top: 1rem;
}

/* ===== Container ===== */

.container {
    width: min(1180px, calc(100% - clamp(2rem, 5vw, 4rem)));
    margin: 0 auto;
}

/* ===== Header ===== */

.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    transition: border-color var(--dur-med) var(--ease-out),
        background-color 0.4s var(--ease-quart);
    border-bottom: 1px solid transparent;
}

.header.is-scrolled {
    border-bottom-color: var(--rule);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

.logo {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.625rem;
    color: var(--accent);
    letter-spacing: -0.04em;
    line-height: 1;
    transition: opacity var(--dur-fast) var(--ease-out);
}

.logo:hover {
    opacity: 0.7;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: clamp(0.75rem, 2vw, 1.5rem);
}

.nav {
    display: flex;
    gap: clamp(1rem, 3vw, 2rem);
}

.nav a {
    position: relative;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--ink-muted);
    transition: color var(--dur-fast) var(--ease-quart);
}

.nav a:hover {
    color: var(--ink);
}

.nav a::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -3px;
    width: 0;
    height: 1px;
    background: var(--ink);
    transition: width var(--dur-med) var(--ease-out),
        left var(--dur-med) var(--ease-out);
}

.nav a:hover::after,
.nav a.is-active::after {
    left: 0;
    width: 100%;
}

.nav a.is-active {
    color: var(--ink);
}

/* ===== Theme Toggle ===== */

.theme-toggle {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border: 1px solid var(--rule);
    background: var(--surface);
    color: var(--ink-soft);
    touch-action: manipulation;
    transition: border-color var(--dur-fast) var(--ease-quart),
        color var(--dur-fast) var(--ease-quart),
        background-color 0.4s var(--ease-quart),
        transform var(--dur-fast) var(--ease-quart);
}

.theme-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: scale(1.05);
}

.theme-toggle:active {
    transform: scale(0.96);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    position: absolute;
    transition: opacity var(--dur-med) var(--ease-quart),
        transform var(--dur-med) var(--ease-quart);
}

.theme-toggle .icon-sun {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.theme-toggle .icon-moon {
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
}

[data-theme="dark"] .theme-toggle .icon-sun {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

[data-theme="dark"] .theme-toggle .icon-moon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* ===== Hero ===== */

.hero {
    min-height: calc(100svh - 4rem);
    display: flex;
    align-items: flex-end;
    padding-bottom: clamp(3rem, 8vh, 6rem);
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(
        circle 38vw at var(--cursor-x, 50%) var(--cursor-y, 40%),
        color-mix(in srgb, var(--accent) 7%, transparent) 0%,
        transparent 70%
    );
    pointer-events: none;
    z-index: 0;
    transition: background 0.4s ease;
}

/* Diagonal decorative line */
.hero::before {
    content: "";
    position: absolute;
    top: 15%;
    right: -10%;
    width: 1px;
    height: 120%;
    background: var(--rule);
    transform: rotate(-25deg);
    transform-origin: top;
    pointer-events: none;
    z-index: 0;
    opacity: 0.5;
}

[data-theme="dark"] .hero::before {
    opacity: 0.25;
}

.hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr auto;
    column-gap: clamp(2rem, 5vw, 4rem);
    align-items: end;
}


.hero-content {
    min-width: 0;
}

.hero-label {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: clamp(1rem, 2vh, 1.5rem);
}

.hero-name {
    display: grid;
    gap: 0;
}

.hero-line {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(4rem, 10vw, 8.5rem);
    font-weight: 400;
    line-height: 0.9;
    letter-spacing: -0.03em;
}

.hero-rule {
    height: 1px;
    background: var(--rule-strong);
    margin: clamp(1.25rem, 3vh, 2rem) 0;
    transform-origin: left;
}

.hero-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1.5rem;
}

.hero-desc {
    max-width: 38ch;
    color: var(--ink-soft);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.hero-meta {
    display: flex;
    gap: 2rem;
}

.hero-meta div {
    text-align: right;
}

.hero-meta dt {
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--ink-muted);
}

.hero-meta dd {
    margin: 0.125rem 0 0;
    font-size: 0.875rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.hero-portrait {
    position: relative;
}

.hero-portrait img {
    width: clamp(140px, 18vw, 210px);
    aspect-ratio: 5 / 6;
    object-fit: cover;
    filter: grayscale(0.15) contrast(1.05);
    transition: filter var(--dur-med) var(--ease-quart);
}

.hero-portrait:hover img {
    filter: grayscale(0) contrast(1);
}

/* Portrait accent frame */
.hero-portrait::after {
    content: "";
    position: absolute;
    inset: 8px -6px -8px 6px;
    border: 1px solid var(--accent);
    opacity: 0.3;
    pointer-events: none;
    z-index: -1;
    transition: opacity var(--dur-med) var(--ease-quart),
        transform var(--dur-med) var(--ease-quart);
}

.hero-portrait:hover::after {
    opacity: 0.6;
    transform: translate(2px, -2px);
}

/* ===== Hero Animation ===== */

.anim-hero {
    opacity: 0;
    transform: translateY(24px);
}

.anim-hero.is-visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s var(--ease-out),
        transform 0.7s var(--ease-out);
}

.hero-rule.is-visible {
    animation: sweep-in 0.9s var(--ease-out) forwards;
    transform: translateY(0);
}

@keyframes sweep-in {
    from {
        transform: scaleX(0);
        opacity: 0;
    }

    to {
        transform: scaleX(1);
        opacity: 1;
    }
}

/* ===== Sections ===== */

.section {
    padding: clamp(4rem, 8vh, 7rem) 0;
    transition: background-color 0.4s var(--ease-quart);
}

.section:nth-child(even) {
    background: var(--bg-alt);
}

.section-inner {
    display: grid;
    grid-template-columns: clamp(48px, 6vw, 80px) 1fr;
    gap: 0 clamp(1.5rem, 3vw, 2.5rem);
}

.section-idx {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 400;
    line-height: 1;
    color: var(--rule);
    padding-top: 0.25rem;
    transition: color var(--dur-med) var(--ease-quart);
}

/* Subtle accent on hover */
.section-inner:hover .section-idx {
    color: var(--rule-strong);
}

.section-main {
    min-width: 0;
}

.section-head {
    margin-bottom: clamp(1.5rem, 3vh, 2.5rem);
}

/* Shared label */
.section-label,
.skill-tag,
.interest-tag {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
}

h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3.5vw, 2.75rem);
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-top: 0.375rem;
    text-wrap: balance;
}

h3 {
    font-family: var(--font-body);
    font-size: 1.0625rem;
    font-weight: 600;
    line-height: 1.35;
    letter-spacing: -0.01em;
}

.section-desc {
    margin-top: 0.75rem;
    color: var(--ink-soft);
    font-size: 0.9375rem;
    max-width: 50ch;
}

/* ===== About ===== */

.about-cols {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.about-cols p {
    color: var(--ink-soft);
    font-size: 0.9375rem;
    line-height: 1.65;
}

.pull-quote {
    margin-top: 2.5rem;
    padding-left: 1.5rem;
    border-left: 2px solid var(--accent);
    position: relative;
}

.pull-quote::before {
    content: "\201C";
    position: absolute;
    left: -0.25rem;
    top: -1.5rem;
    font-family: var(--font-display);
    font-size: 4rem;
    color: var(--accent);
    opacity: 0.15;
    line-height: 1;
    pointer-events: none;
}

.pull-quote p {
    font-family: var(--font-display);
    font-style: italic;
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    line-height: 1.5;
    color: var(--ink-soft);
    max-width: 34ch;
}

/* ===== Homework List ===== */

.hw-list {
    margin-top: 1.5rem;
}

.hw-item {
    display: grid;
    grid-template-columns: 3rem 1fr auto;
    gap: 0.75rem;
    align-items: center;
    padding: 1.125rem 0.75rem;
    border-bottom: 1px solid var(--rule);
    position: relative;
    transition: transform var(--dur-med) var(--ease-quart),
        background-color var(--dur-fast) var(--ease-out);
}

.hw-item:first-child {
    border-top: 1px solid var(--rule);
}

.hw-item::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--accent-light);
    opacity: 0;
    z-index: -1;
    transition: opacity var(--dur-fast) var(--ease-out);
}

.hw-item:hover::before {
    opacity: 1;
}

.hw-item:hover {
    transform: translateX(4px);
}

.hw-num {
    font-family: var(--font-display);
    font-size: 1.375rem;
    color: var(--accent);
    line-height: 1;
    opacity: 0.55;
    transition: opacity var(--dur-fast) var(--ease-out);
}

.hw-item:hover .hw-num {
    opacity: 1;
}

.hw-info {
    min-width: 0;
}

.hw-title {
    font-size: 0.9375rem;
    font-weight: 500;
}

.hw-course {
    margin-top: 0.125rem;
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    color: var(--ink-muted);
    text-transform: uppercase;
}

.hw-actions {
    display: flex;
    gap: 0.5rem;
}

.hw-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 0.875rem;
    min-height: 2.25rem;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border: 1px solid var(--rule-strong);
    color: var(--ink-soft);
    touch-action: manipulation;
    transition: border-color var(--dur-fast) var(--ease-quart),
        color var(--dur-fast) var(--ease-quart),
        transform var(--dur-fast) var(--ease-quart);
}

.hw-link:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-1px);
}

.hw-link:active {
    transform: translateY(0);
}

/* ===== Projects ===== */

.project-list {
    display: grid;
    gap: 0;
}

.project-item {
    padding: clamp(1.5rem, 3vh, 2rem) 0;
    border-bottom: 1px solid var(--rule);
    position: relative;
}

.project-item:first-child {
    border-top: 1px solid var(--rule);
}

.project-header {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.5rem 1rem;
    margin-bottom: 0.75rem;
}

.project-badge {
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--surface);
    background: var(--accent);
    padding: 0.25rem 0.625rem;
    line-height: 1;
    transition: background-color 0.4s var(--ease-quart),
        color 0.4s var(--ease-quart);
}

.project-desc {
    color: var(--ink-soft);
    font-size: 0.9375rem;
    line-height: 1.6;
    max-width: 55ch;
}

.project-links {
    margin-top: 1rem;
    display: flex;
    gap: 0.75rem;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    min-height: 2.5rem;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    touch-action: manipulation;
    transition: transform var(--dur-fast) var(--ease-quart),
        border-color var(--dur-fast) var(--ease-quart),
        color var(--dur-fast) var(--ease-quart),
        background-color var(--dur-fast) var(--ease-quart);
}

.project-link--primary {
    border: 1px solid var(--accent);
    color: var(--accent);
}

.project-link--primary:hover {
    color: var(--surface);
    background: var(--accent);
    border-color: var(--accent);
    transform: translateY(-1px);
}

.project-link--primary:active {
    transform: translateY(0);
}

.project-link svg {
    flex-shrink: 0;
    transition: transform var(--dur-fast) var(--ease-quart);
}

.project-link:hover svg {
    transform: translate(1px, -1px);
}

/* ===== Skills ===== */

.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-top: 1px solid var(--rule);
}

.skill-block {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--rule);
}

.skill-block--wide {
    grid-column: 1 / -1;
}

.skill-block:nth-child(2) {
    padding-right: 1.5rem;
    border-right: 1px solid var(--rule);
}

.skill-block:nth-child(3) {
    padding-left: 1.5rem;
}

.skill-tag,
.interest-tag {
    margin-bottom: 0.75rem;
}

.skill-date {
    margin-top: 0.375rem;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-muted);
    font-variant-numeric: tabular-nums;
}

.skill-copy {
    margin-top: 0.75rem;
    color: var(--ink-soft);
    font-size: 0.9375rem;
    line-height: 1.6;
    max-width: 55ch;
}

.skill-block ul,
.interest-col ul {
    display: grid;
    gap: 0.5rem;
}

.skill-block li,
.interest-col li {
    position: relative;
    padding-left: 1rem;
    color: var(--ink-soft);
    font-size: 0.9375rem;
    line-height: 1.5;
    transition: color var(--dur-fast) var(--ease-quart);
}

.skill-block li:hover,
.interest-col li:hover {
    color: var(--ink);
}

.skill-block li::before,
.interest-col li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent);
    transition: transform var(--dur-fast) var(--ease-quart);
}

.skill-block li:hover::before,
.interest-col li:hover::before {
    transform: scale(1.5);
}

/* ===== Interests ===== */

.interest-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border-top: 1px solid var(--rule);
}

.interest-col {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--rule);
}

.interest-col:first-child {
    padding-right: 1.5rem;
    border-right: 1px solid var(--rule);
}

.interest-col:last-child {
    padding-left: 1.5rem;
}

/* ===== Footer ===== */

.footer {
    border-top: 1px solid var(--rule-strong);
    transition: background-color 0.4s var(--ease-quart),
        border-color 0.4s var(--ease-quart);
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1.75rem 0 3rem;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-logo {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.25rem;
    color: var(--accent);
    letter-spacing: -0.04em;
    line-height: 1;
    opacity: 0.7;
}

.footer-left p {
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-muted);
}

.footer-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
}

.footer-contact {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--ink-soft);
    transition: color var(--dur-fast) var(--ease-out);
}

.footer-contact:hover {
    color: var(--accent);
}

.footer-year {
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-muted);
}

/* ===== Back to Top ===== */

.to-top {
    position: fixed;
    right: 1.5rem;
    bottom: 1.5rem;
    z-index: 90;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border: 1px solid var(--rule-strong);
    background: var(--surface);
    color: var(--ink);
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
    touch-action: manipulation;
    transition: opacity var(--dur-fast) var(--ease-out),
        transform var(--dur-fast) var(--ease-out),
        border-color var(--dur-fast) var(--ease-quart),
        background-color 0.4s var(--ease-quart);
}

.to-top.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.to-top:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ===== Reveal Animation ===== */

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--ease-out),
        transform 0.6s var(--ease-out);
}

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

/* ===== Scroll Anchor ===== */

section[id] {
    scroll-margin-top: 5rem;
}

/* ===== Responsive ===== */

@media (max-width: 900px) {
    .hero-inner {
        grid-template-columns: 1fr;
    }

    .hero-portrait {
        display: none;
    }

    .hero::before {
        display: none;
    }

    .section-inner {
        grid-template-columns: 1fr;
    }

    .section-idx {
        font-size: 2rem;
        margin-bottom: 0.5rem;
    }

    .about-cols,
    .skills-grid,
    .interest-grid {
        grid-template-columns: 1fr;
    }

    .skill-block:nth-child(2) {
        padding-right: 0;
        border-right: none;
    }

    .skill-block:nth-child(3) {
        padding-left: 0;
    }

    .interest-col:first-child {
        padding-right: 0;
        border-right: none;
    }

    .interest-col:last-child {
        padding-left: 0;
    }
}

@media (max-width: 640px) {
    .nav {
        gap: 0.75rem;
    }

    .nav a {
        font-size: 0.75rem;
    }

    .hero {
        min-height: auto;
        padding-top: clamp(3rem, 10vh, 5rem);
        padding-bottom: 3rem;
    }

    .hero-bottom {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero-meta {
        gap: 1.5rem;
    }

    .hero-meta div {
        text-align: left;
    }

    .hw-item {
        grid-template-columns: 2.5rem 1fr;
        gap: 0.5rem;
    }

    .hw-actions {
        grid-column: 1 / -1;
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .hw-link {
        justify-content: center;
        min-height: 2.75rem;
    }

    .hw-item:hover {
        transform: none;
    }

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.25rem;
    }

    .footer-right {
        align-items: flex-start;
    }
}

/* ===== Reduced Motion ===== */

@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;
    }

    .reveal,
    .anim-hero {
        opacity: 1;
        transform: none;
    }

    .hw-item:hover {
        transform: none;
    }

    .scroll-progress {
        transition: none;
    }

    .hero::after {
        display: none;
    }
}