/* =========================================================
   Roslyn Kwangate - site theme
   Quiet · Lived-in · Founder-casual (Soft Autumn palette)
   No pure black, no cold white, gold as the single accent.
   ========================================================= */

:root {
    --bone: #f4eee4;
    --oatmeal: #ebe2d3;
    --mushroom: #a3968a;
    --espresso: #2f241d;
    --mocha: #5a4636;
    --olive: #5f6b4c;
    --olive-deep: #424a36;
    --teal: #4f7c7c;
    --petrol: #355c66;
    --gold: #b8935a;
    --gold-soft: #e8d3a8;

    --ink: #33281f;
    --muted: #6e6257;
    --line: rgba(51, 40, 31, 0.14);

    /* Semantic surface tokens - swapped by [data-theme="dark"] */
    --bg: var(--bone);
    --bg-alt: var(--oatmeal);
    --heading: var(--espresso);
    --accent: var(--olive);
    --link: var(--petrol);
    --card: rgba(255, 252, 245, 0.55);
    --tag-bg: var(--oatmeal);
    --tag-ink: var(--mocha);
    --nav-bg: rgba(244, 238, 228, 0.86);
    --contact-bg: var(--espresso);

    --serif: "Fraunces", "Noto Serif Thai", Georgia, "Times New Roman", serif;
    --sans: "Inter", system-ui, -apple-system, "Segoe UI", "Noto Sans Thai", sans-serif;

    --container: 1120px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    color-scheme: light;
}

/* Dark: warm espresso night, still no pure black or cold white */
:root[data-theme="dark"] {
    --ink: #e6dccd;
    --muted: #b3a798;
    --line: rgba(244, 238, 228, 0.12);

    --bg: #1b1814;
    --bg-alt: #221e19;
    --heading: #f1e9dc;
    --accent: #a9b78f;
    --link: #8fbcbc;
    --card: rgba(255, 248, 235, 0.04);
    --tag-bg: rgba(244, 238, 228, 0.08);
    --tag-ink: #d9cdbb;
    --nav-bg: rgba(27, 24, 20, 0.86);
    --contact-bg: #131619;
    color-scheme: dark;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 17px;
    font-weight: 400;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
}

::selection {
    background: var(--gold-soft);
    color: var(--espresso);
}

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

.skip-link {
    position: absolute;
    left: 16px;
    top: -60px;
    z-index: 100;
    padding: 10px 16px;
    background: var(--espresso);
    color: var(--bone);
    border-radius: 999px;
    text-decoration: none;
}
.skip-link:focus {
    top: 16px;
}

.container {
    width: min(var(--container), 100% - 48px);
    margin-inline: auto;
}

.eyebrow {
    margin: 0 0 14px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent);
}

.section-title {
    margin: 0 0 40px;
    max-width: 18ch;
    font-family: var(--serif);
    font-size: clamp(32px, 4.4vw, 52px);
    font-weight: 350;
    line-height: 1.1;
    letter-spacing: -0.015em;
    color: var(--heading);
}

.section-title em,
.contact-title em,
.hero-title em {
    font-style: italic;
    font-weight: 300;
}

.section {
    padding: clamp(80px, 12vw, 140px) 0;
}

body,
.section,
.site-footer {
    transition: background-color 0.5s var(--ease), color 0.5s var(--ease);
}

/* ---------- Navigation ---------- */

.site-nav {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 50;
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 18px clamp(20px, 4vw, 48px);
    color: var(--bone);
    transition: background 0.4s var(--ease), color 0.4s var(--ease),
        padding 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.site-nav.is-scrolled {
    padding-block: 12px;
    background: var(--nav-bg);
    color: var(--ink);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 var(--line);
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-right: auto;
    text-decoration: none;
}

.lang-toggle {
    order: 3;
    position: relative;
    z-index: 2;
    display: inline-flex;
    padding: 3px;
    border: 1px solid currentColor;
    border-radius: 999px;
    background: none;
    color: inherit;
    font-family: var(--sans);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.08em;
    cursor: pointer;
}

.lang-toggle span {
    padding: 4px 9px;
    border-radius: 999px;
    opacity: 0.6;
    transition: background 0.35s var(--ease), color 0.35s var(--ease),
        opacity 0.35s var(--ease);
}

.lang-toggle span.is-active {
    opacity: 1;
    background: var(--gold-soft);
    color: var(--espresso);
}

.theme-toggle {
    order: 3;
    position: relative;
    z-index: 2;
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    padding: 0;
    border: 1px solid currentColor;
    border-radius: 50%;
    background: none;
    color: inherit;
    cursor: pointer;
}

.theme-toggle svg {
    width: 16px;
    height: 16px;
    transition: transform 0.6s var(--ease);
}

.theme-toggle:hover svg {
    transform: rotate(-20deg);
}

.theme-toggle .icon-sun,
:root[data-theme="dark"] .theme-toggle .icon-moon {
    display: none;
}

:root[data-theme="dark"] .theme-toggle .icon-sun {
    display: block;
}

.nav-links {
    order: 2;
}

.nav-toggle {
    order: 4;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border: 1px solid currentColor;
    border-radius: 50%;
    font-family: var(--serif);
    font-style: italic;
    font-size: 15px;
}

.brand-name {
    font-family: var(--serif);
    font-size: 18px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: clamp(16px, 2.4vw, 32px);
}

.nav-links a {
    position: relative;
    font-size: 14px;
    letter-spacing: 0.04em;
    text-decoration: none;
    opacity: 0.85;
    transition: opacity 0.3s;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -4px;
    height: 1px;
    background: var(--gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease);
}

.nav-links a:hover,
.nav-links a.is-active {
    opacity: 1;
}

.nav-links a:hover::after,
.nav-links a.is-active::after {
    transform: scaleX(1);
}

.nav-links .nav-cv {
    padding: 7px 18px;
    border: 1px solid currentColor;
    border-radius: 999px;
}
.nav-links .nav-cv::after {
    display: none;
}

.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 0;
    background: none;
    color: inherit;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    margin: 6px auto;
    background: currentColor;
    transition: transform 0.35s var(--ease);
}

/* ---------- Hero ---------- */

.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    align-items: center;
    overflow: hidden;
    color: var(--bone);
    /* Fallback when WebGL is unavailable */
    background: radial-gradient(90% 60% at 70% 40%, rgba(53, 92, 102, 0.35) 0%, transparent 60%),
        linear-gradient(180deg, #12151b 0%, #1e1915 100%);
}

#hero-gl {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.6s var(--ease);
}

#hero-system {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

#hero-gl.is-ready {
    opacity: 1;
}

.hero-grain {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(90deg, rgba(18, 21, 27, 0.6) 0%, rgba(18, 21, 27, 0) 60%);
}

.hero-inner {
    position: relative;
    width: min(var(--container), 100% - 48px);
    margin-inline: auto;
    padding: 120px 0 100px;
}

.hero .eyebrow {
    color: var(--gold-soft);
}

.hero-title {
    margin: 0 0 28px;
    font-family: var(--serif);
    font-size: clamp(56px, 11vw, 148px);
    font-weight: 300;
    line-height: 0.95;
    letter-spacing: -0.03em;
}

.hero-title span {
    display: block;
}

.hero-title em {
    padding-left: 0.6em;
    color: var(--gold-soft);
}

.hero-lead {
    max-width: 34em;
    margin: 0 0 40px;
    font-size: clamp(16px, 1.6vw, 19px);
    font-weight: 300;
    color: rgba(244, 238, 228, 0.86);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.hero-line {
    opacity: 0;
    transform: translateY(28px);
    animation: rise 1.2s var(--ease) forwards;
    animation-delay: calc(0.25s + var(--i) * 0.12s);
}

@keyframes rise {
    to {
        opacity: 1;
        transform: none;
    }
}

.scroll-cue {
    position: absolute;
    left: 50%;
    bottom: 32px;
    width: 1px;
    height: 56px;
    overflow: hidden;
    background: rgba(244, 238, 228, 0.25);
}

.scroll-cue span {
    position: absolute;
    inset: 0;
    background: var(--gold-soft);
    animation: cue 2.4s var(--ease) infinite;
}

@keyframes cue {
    0% {
        transform: translateY(-100%);
    }
    60%,
    100% {
        transform: translateY(100%);
    }
}

/* ---------- Hero: interactive planets ---------- */

#hero-gl,
#hero-system {
    pointer-events: none;
}

/* Text sits above the planet layer but lets clicks through to it */
.hero-inner {
    z-index: 2;
    pointer-events: none;
    transition: opacity 0.6s var(--ease) 0.15s, transform 0.6s var(--ease) 0.15s,
        visibility 0s;
}

.hero-inner a,
.hero-inner button {
    pointer-events: auto;
}

.hero.is-zoomed .hero-inner {
    opacity: 0;
    transform: translateX(-24px);
    visibility: hidden;
    transition: opacity 0.4s var(--ease), transform 0.4s var(--ease), visibility 0s 0.4s;
}

.hero.is-zoomed .scroll-cue {
    opacity: 0;
    pointer-events: none;
}

.hero-planets {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.planet-btn {
    position: absolute;
    left: 0;
    top: 0;
    width: 44px;
    height: 44px;
    margin: -22px 0 0 -22px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: none;
    color: var(--bone);
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s var(--ease);
}

.planet-btn.is-on {
    opacity: 1;
    pointer-events: auto;
}

.planet-btn:focus-visible {
    outline: none;
    box-shadow: inset 0 0 0 1px var(--gold-soft);
}

.planet-label {
    position: absolute;
    left: 100%;
    top: 50%;
    margin-left: -8px;
    transform: translateY(-50%);
    padding: 6px 10px;
    white-space: nowrap;
    font: 500 11px/1 var(--sans);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(244, 238, 228, 0.82);
    border: 1px solid rgba(244, 238, 228, 0.18);
    border-radius: 999px;
    background: rgba(18, 21, 27, 0.3);
    transition: color 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.planet-btn.label-left .planet-label {
    left: auto;
    right: 100%;
    margin: 0 -8px 0 0;
}

.planet-btn.is-hot .planet-label,
.planet-btn:hover .planet-label {
    color: var(--gold-soft);
    border-color: rgba(232, 211, 168, 0.55);
    background: rgba(232, 211, 168, 0.12);
}

/* Until the first click, planets ping so it's obvious they're buttons */
.planet-btn:not(.core-btn)::before {
    content: "";
    position: absolute;
    inset: 8px;
    border: 1px solid var(--gold-soft);
    border-radius: 50%;
    opacity: 0;
    pointer-events: none;
}

.is-hinting .planet-btn:not(.core-btn)::before {
    animation: ping 2.4s var(--ease) infinite;
    animation-delay: var(--d, 0s);
}

@keyframes ping {
    0% {
        transform: scale(0.5);
        opacity: 0.9;
    }
    70%,
    100% {
        transform: scale(1.6);
        opacity: 0;
    }
}

/* Core: "rebuild from scratch" tooltip on hover / focus */
.core-btn::after {
    content: attr(data-tip);
    position: absolute;
    left: 50%;
    top: 100%;
    margin-top: 4px;
    transform: translateX(-50%);
    white-space: nowrap;
    font: 400 12px/1 var(--sans);
    color: rgba(244, 238, 228, 0.75);
    opacity: 0;
    transition: opacity 0.3s var(--ease);
}

.core-btn:hover::after,
.core-btn:focus-visible::after {
    opacity: 1;
}

.hero-hint {
    position: absolute;
    left: 0;
    top: 0;
    margin: 0;
    white-space: nowrap;
    font-size: 12.5px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--gold-soft);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.8s var(--ease);
}

.hero-hint::before {
    content: "\2726\00a0\00a0";
}

.hero-hint.is-on {
    opacity: 1;
    animation: hint 2.6s ease-in-out infinite;
}

@keyframes hint {
    50% {
        opacity: 0.45;
    }
}

/* Detail panel: replaces the intro text on desktop, bottom sheet on mobile */
.planet-panel {
    position: absolute;
    z-index: 3;
    left: max(24px, calc((100% - var(--container)) / 2));
    top: 50%;
    width: min(440px, 40vw);
    color: var(--bone);
    opacity: 0;
    visibility: hidden;
    transform: translate(-16px, -50%);
    transition: opacity 0.4s var(--ease), transform 0.5s var(--ease), visibility 0s 0.5s;
}

.hero.is-zoomed .planet-panel {
    opacity: 1;
    visibility: visible;
    transform: translate(0, -50%);
    transition: opacity 0.6s var(--ease) 0.25s, transform 0.7s var(--ease) 0.25s,
        visibility 0s;
}

.planet-title {
    margin: 0 0 16px;
    font-family: var(--serif);
    font-size: clamp(36px, 4.4vw, 60px);
    font-weight: 300;
    line-height: 1.05;
    letter-spacing: -0.02em;
    outline: none;
}

.planet-desc {
    margin: 0 0 20px;
    font-weight: 300;
    color: rgba(244, 238, 228, 0.82);
}

.planet-panel .tags {
    margin-bottom: 22px;
}

.planet-panel .tags li {
    background: rgba(244, 238, 228, 0.1);
    color: var(--bone);
}

.planet-panel .link-arrow {
    color: var(--gold-soft);
}

.planet-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 32px;
}

.planet-nav,
.planet-back {
    height: 44px;
    border: 1px solid rgba(244, 238, 228, 0.35);
    border-radius: 999px;
    background: none;
    color: var(--bone);
    font: 500 14px/1 var(--sans);
    cursor: pointer;
    transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.planet-nav {
    width: 44px;
    font-size: 17px;
}

.planet-back {
    margin-left: 8px;
    padding: 0 20px;
}

.planet-nav:hover,
.planet-back:hover {
    border-color: var(--bone);
    background: rgba(244, 238, 228, 0.08);
}

:lang(th) .planet-label,
:lang(th) .hero-hint {
    letter-spacing: 0.04em;
    text-transform: none;
    font-size: 13px;
}

/* Thai vowels and tone marks sit far above the x-height: open the leading */
:lang(th) .hero-title {
    padding-top: 0.12em;
    line-height: 1.12;
    letter-spacing: 0;
}

:lang(th) .hero-title em {
    font-style: normal;
}

:lang(th) .planet-title {
    line-height: 1.3;
    letter-spacing: 0;
}

@media (max-width: 760px) {
    .scroll-cue {
        display: none;
    }

    .planet-label {
        font-size: 10px;
    }

    .planet-panel {
        left: 12px;
        right: 12px;
        top: auto;
        bottom: 12px;
        width: auto;
        max-height: 58svh;
        overflow-y: auto;
        padding: 22px 20px 18px;
        border: 1px solid rgba(244, 238, 228, 0.12);
        border-radius: 20px;
        background: rgba(18, 21, 27, 0.82);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        transform: translateY(24px);
    }

    .hero.is-zoomed .planet-panel {
        transform: none;
    }

    .planet-title {
        font-size: 32px;
    }

    .planet-controls {
        margin-top: 20px;
    }

    .planet-back {
        margin-left: auto;
    }
}

/* ---------- Buttons & links ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    padding: 14px 28px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-decoration: none;
    transition: background 0.35s var(--ease), color 0.35s var(--ease),
        transform 0.35s var(--ease);
}

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

.btn-solid {
    background: var(--bone);
    color: var(--espresso);
}
.btn-solid:hover {
    background: var(--gold-soft);
}

.btn-ghost {
    border: 1px solid rgba(244, 238, 228, 0.5);
    color: var(--bone);
}
.btn-ghost:hover {
    border-color: var(--bone);
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--link);
    text-decoration: none;
}

.link-arrow::after {
    content: "→";
    transition: transform 0.35s var(--ease);
}

.link-arrow:hover::after {
    transform: translateX(5px);
}

/* ---------- About ---------- */

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: clamp(40px, 6vw, 96px);
    align-items: center;
}

.about-photo {
    margin: 0;
    aspect-ratio: 4 / 5;
    overflow: hidden;
    border-radius: 200px 200px 16px 16px;
    background: var(--bg-alt);
}

.about-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 52% 40%;
    transform: scale(1.08);
    transition: transform 1.8s var(--ease);
}

.about-photo.is-visible img {
    transform: scale(1);
}

.about-copy p {
    color: var(--muted);
}

.facts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin: 36px 0 28px;
    padding: 24px 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.facts > div:last-child:nth-child(odd) {
    grid-column: 1 / -1;
}

.facts dt {
    margin-bottom: 4px;
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
}

.facts dd {
    margin: 0;
    font-size: 15px;
    line-height: 1.55;
}

.chips,
.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.chips li {
    padding: 7px 16px;
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 14px;
    background: var(--card);
}

.tags li {
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12.5px;
    letter-spacing: 0.02em;
    background: var(--tag-bg);
    color: var(--tag-ink);
}

/* ---------- Experience timeline ---------- */

.experience {
    background: var(--bg-alt);
}

.experience .tags li {
    background: var(--bg);
}

.timeline {
    position: relative;
    margin: 0;
    padding: 0 0 0 40px;
    list-style: none;
}

.timeline::before,
.timeline::after {
    content: "";
    position: absolute;
    left: 6px;
    top: 10px;
    bottom: 10px;
    width: 1px;
}

.timeline::before {
    background: var(--line);
}

/* Gold thread that draws as you scroll (driven by --progress in site.js) */
.timeline::after {
    background: var(--gold);
    transform-origin: top;
    transform: scaleY(var(--progress, 0));
}

.timeline-item {
    position: relative;
    padding-bottom: 56px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -40px;
    top: 10px;
    width: 13px;
    height: 13px;
    border: 1px solid var(--gold);
    border-radius: 50%;
    background: var(--bg-alt);
    transition: background 0.6s var(--ease);
}

.timeline-item.is-visible::before {
    background: var(--gold);
}

.timeline-item h3 {
    margin: 0 0 10px;
    font-family: var(--serif);
    font-size: clamp(22px, 2.4vw, 28px);
    font-weight: 400;
    line-height: 1.25;
    color: var(--heading);
}

.timeline-item h3 span {
    font-style: italic;
    font-weight: 300;
    color: var(--accent);
}

.timeline-item p {
    max-width: 62ch;
    margin: 0 0 12px;
    color: var(--muted);
}

.points {
    max-width: 62ch;
    margin: 0 0 16px;
    padding: 0;
    list-style: none;
    color: var(--muted);
}

.points li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 6px;
}

.points li::before {
    content: "";
    position: absolute;
    left: 2px;
    top: 0.75em;
    width: 8px;
    height: 1px;
    background: var(--gold);
}

.points strong {
    font-weight: 500;
    color: var(--heading);
}

.role {
    font-size: 14px;
    font-weight: 500;
    color: var(--link) !important;
}

.role::before {
    content: "Role - ";
    font-weight: 400;
    color: var(--muted);
}

:lang(th) .role::before {
    content: "บทบาท - ";
}

/* ---------- Research & projects ---------- */

.research-card {
    position: relative;
    margin-bottom: 72px;
    padding: clamp(28px, 4vw, 52px);
    border-radius: 20px;
    background: var(--olive-deep);
    color: var(--bone);
    overflow: hidden;
}

.research-card::after {
    content: "";
    position: absolute;
    right: -120px;
    top: -120px;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(184, 147, 90, 0.35), transparent 70%);
    pointer-events: none;
}

.research-kicker {
    margin: 0 0 12px;
    font-size: 12px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold-soft);
}

.research-card h3 {
    max-width: 26ch;
    margin: 0 0 16px;
    font-family: var(--serif);
    font-size: clamp(24px, 3vw, 36px);
    font-weight: 350;
    line-height: 1.2;
}

.research-card p {
    max-width: 60ch;
    color: rgba(244, 238, 228, 0.8);
}

.research-card .role {
    color: var(--gold-soft) !important;
}

.research-card .role::before {
    color: rgba(244, 238, 228, 0.6);
}

.research-card .tags {
    margin: 18px 0 26px;
}

.research-card .tags li {
    background: rgba(244, 238, 228, 0.1);
    color: var(--bone);
}

.research-card .link-arrow {
    color: var(--gold-soft);
}

.subhead {
    margin: 0 0 24px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.project-card {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--card);
    transition: transform 0.5s var(--ease), border-color 0.5s var(--ease),
        box-shadow 0.5s var(--ease);
}

.project-card:hover {
    transform: translateY(-4px);
    border-color: rgba(184, 147, 90, 0.6);
    box-shadow: 0 18px 40px -24px rgba(47, 36, 29, 0.35);
}

.project-card h4 {
    margin: 0;
    font-family: var(--serif);
    font-size: 22px;
    font-weight: 400;
    color: var(--heading);
}

.project-card p {
    margin: 0;
    flex: 1;
    font-size: 15px;
    color: var(--muted);
}

/* ---------- Skills ---------- */

.skills {
    background: var(--bg-alt);
}

.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(32px, 6vw, 80px);
}

.skill-col h3 {
    margin: 0 0 8px;
    font-family: var(--serif);
    font-size: 24px;
    font-weight: 400;
    font-style: italic;
    color: var(--accent);
}

.skill-col ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.skill-col li {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 4px 16px;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    font-size: 16px;
    color: var(--heading);
}

.skill-col li span {
    font-size: 14px;
    color: var(--muted);
}

/* ---------- Elsewhere ---------- */

.press-list {
    border-top: 1px solid var(--line);
}

.press-card {
    display: grid;
    grid-template-columns: 220px 1fr auto;
    align-items: baseline;
    gap: 8px 32px;
    padding: 28px 0;
    border-bottom: 1px solid var(--line);
    text-decoration: none;
}

.press-card::after {
    content: "↗";
    font-size: 20px;
    color: var(--mushroom);
    transition: transform 0.4s var(--ease), color 0.4s var(--ease);
}

.press-card:hover::after {
    color: var(--gold);
    transform: translate(3px, -3px);
}

.press-source {
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
}

.press-title {
    font-family: var(--serif);
    font-size: clamp(20px, 2.4vw, 28px);
    font-weight: 350;
    line-height: 1.3;
    color: var(--heading);
    background: linear-gradient(var(--gold), var(--gold)) 0 100% / 0 1px no-repeat;
    transition: background-size 0.5s var(--ease);
}

.press-card:hover .press-title {
    background-size: 100% 1px;
}

.press-title[lang="th"] {
    font-family: var(--sans);
    font-size: clamp(18px, 2vw, 22px);
    font-weight: 400;
}

/* ---------- Contact ---------- */

.contact {
    background: var(--contact-bg);
    color: var(--bone);
}

.contact .eyebrow {
    color: var(--gold-soft);
}

.contact-title {
    margin: 0 0 56px;
    font-family: var(--serif);
    font-size: clamp(40px, 7vw, 92px);
    font-weight: 300;
    line-height: 1.02;
    letter-spacing: -0.02em;
}

.contact-title em {
    color: var(--gold-soft);
}

.contact-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin: 0;
    padding: 32px 0 0;
    list-style: none;
    border-top: 1px solid rgba(244, 238, 228, 0.18);
}

.contact-list span {
    display: block;
    margin-bottom: 6px;
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(244, 238, 228, 0.55);
}

.contact-list a {
    font-size: 16px;
    text-decoration: none;
    background: linear-gradient(var(--gold), var(--gold)) 0 100% / 0 1px no-repeat;
    transition: background-size 0.5s var(--ease);
    word-break: break-word;
}

.contact-list a:hover {
    background-size: 100% 1px;
}

/* ---------- Footer ---------- */

.site-footer {
    padding: 28px 0;
    background: var(--contact-bg);
    color: rgba(244, 238, 228, 0.55);
    font-size: 13px;
    border-top: 1px solid rgba(244, 238, 228, 0.08);
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 24px;
}

.footer-inner p {
    margin: 0;
}

.footer-note {
    font-family: var(--serif);
    font-style: italic;
}

/* ---------- Scroll reveal ---------- */

.js [data-reveal] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 1s var(--ease), transform 1s var(--ease);
    transition-delay: var(--d, 0s);
}

.js [data-reveal].is-visible {
    opacity: 1;
    transform: none;
}

/* ---------- Thai typography ---------- */

/* keep Thai compounds the line breaker splits wrongly */
.nw {
    white-space: nowrap;
}

:lang(th) .section-title {
    max-width: 22ch;
}


/* Thai needs room for tone marks and reads poorly with wide tracking or italics */
html:lang(th) body {
    line-height: 1.85;
}

:lang(th) .section-title,
:lang(th) .contact-title,
:lang(th) .timeline-item h3,
:lang(th) .press-title {
    line-height: 1.4;
    letter-spacing: 0;
}

:lang(th) .eyebrow,
:lang(th) .subhead,
:lang(th) .facts dt,
:lang(th) .press-source,
:lang(th) .contact-list span {
    letter-spacing: 0.06em;
}

:lang(th) .section-title em,
:lang(th) .contact-title em,
:lang(th) .footer-note,
:lang(th) .timeline-item h3 span {
    font-style: normal;
}

:lang(th) .section-title em {
    color: var(--accent);
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    .about-photo {
        max-width: 420px;
    }
    .project-grid {
        grid-template-columns: 1fr;
    }
    .contact-list {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 760px) {
    .nav-toggle {
        display: block;
        position: relative;
        z-index: 2;
    }

    .nav-links {
        position: fixed;
        inset: 0;
        flex-direction: column;
        justify-content: center;
        gap: 28px;
        background: var(--espresso);
        color: var(--bone);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.4s var(--ease), visibility 0.4s;
    }

    .nav-links a {
        font-family: var(--serif);
        font-size: 28px;
    }

    .nav-links .nav-cv {
        font-family: var(--sans);
        font-size: 15px;
    }

    .site-nav.is-open .nav-links {
        opacity: 1;
        visibility: visible;
    }

    /* backdrop-filter would trap the fixed overlay inside the header */
    .site-nav.is-open {
        color: var(--bone);
        background: transparent;
        box-shadow: none;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }

    .site-nav.is-open .nav-toggle span:first-child {
        transform: translateY(3.75px) rotate(45deg);
    }
    .site-nav.is-open .nav-toggle span:last-child {
        transform: translateY(-3.75px) rotate(-45deg);
    }

    .brand-name {
        display: none;
    }

    .press-card {
        grid-template-columns: 1fr auto;
    }
    .press-source {
        grid-column: 1 / -1;
    }

    .skills-grid,
    .facts,
    .contact-list {
        grid-template-columns: 1fr;
    }
}

@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;
    }
    .hero-line {
        opacity: 1;
        transform: none;
    }
    .scroll-cue {
        display: none;
    }
}