/* Nicole Trang — portfolio. Palette taken from the portrait key art:
   cream paper, indigo cloud ink, sunset orange. */
:root {
  --paper: #fbf8ee;
  --paper-2: #f2ecdb;
  --ink: #1b1c3a;
  --ink-soft: #4a4c6b;
  --indigo: #2e3482;
  --sun: #d9581f;
  --sun-soft: #f2a63b;
  --line: #e2dac4;
  --max: 1180px;
  --gutter: clamp(16px, 4vw, 40px);
  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.0625rem/1.6 var(--sans);
  text-rendering: optimizeLegibility;
}
img, svg, video, iframe { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-underline-offset: .2em; }
a:hover { color: var(--sun); }
:focus-visible { outline: 2px solid var(--sun); outline-offset: 3px; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: -999px; }
.skip:focus { left: var(--gutter); top: 8px; background: var(--ink); color: var(--paper); padding: 8px 12px; z-index: 10; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); background: var(--paper); position: sticky; top: 0; z-index: 5; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; flex-wrap: wrap; }
.logo { font: 400 1.6rem/1 var(--serif); text-decoration: none; letter-spacing: .01em; }
.logo span { color: var(--sun); }
.nav { display: flex; gap: clamp(12px, 2.4vw, 28px); list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
.nav a { text-decoration: none; font-size: .95rem; padding: 6px 0; border-bottom: 2px solid transparent; }
.nav a[aria-current="page"] { border-color: var(--sun); }
@media (max-width: 640px) {
  .site-header { position: static; }
  .site-header .wrap { padding-top: 12px; padding-bottom: 10px; }
  .nav { width: 100%; justify-content: space-between; }
}

/* Type */
h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.08; margin: 0 0 .4em; letter-spacing: -.005em; }
h1 { font-size: clamp(2.6rem, 7vw, 5.2rem); }
h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.35rem, 2.4vw, 1.7rem); }
p { margin: 0 0 1em; }
.eyebrow { font: 600 .78rem/1.2 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--sun); margin-bottom: 14px; }
.lead { font-size: clamp(1.15rem, 2vw, 1.35rem); color: var(--ink-soft); max-width: 46ch; }
.muted { color: var(--ink-soft); }
em.accent { font-style: italic; color: var(--indigo); }

/* Sections */
section { padding: clamp(48px, 8vw, 104px) 0; }
section + section { border-top: 1px solid var(--line); }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 16px; margin-bottom: 32px; flex-wrap: wrap; }
.section-head h2 { margin: 0; }

/* Hero */
.hero { padding-top: clamp(40px, 7vw, 88px); }
.hero-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: clamp(24px, 5vw, 64px); align-items: center; }
.hero-portrait { border-radius: 4px; overflow: hidden; background: var(--paper-2); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
@media (max-width: 820px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-portrait { max-width: 360px; }
}

.btn { display: inline-block; padding: 12px 22px; border-radius: 999px; text-decoration: none; font-weight: 600; font-size: .95rem; border: 1.5px solid var(--ink); }
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--sun); border-color: var(--sun); color: #fff; }
.btn-ghost:hover { border-color: var(--sun); }

/* Cards */
.grid { display: grid; gap: clamp(20px, 3vw, 32px); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.card { text-decoration: none; display: block; }
.card .ph, .card picture { margin-bottom: 14px; transition: transform .25s ease; }
.card:hover .ph, .card:hover picture { transform: translateY(-3px); }
.card h3 { margin-bottom: .2em; }
.card p { color: var(--ink-soft); margin: 0; font-size: .97rem; }
.tag { display: inline-block; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--indigo); margin-bottom: 6px; }

/* Image placeholder — swap for <picture> once real files exist */
.ph {
  position: relative; width: 100%; aspect-ratio: var(--ar, 16 / 9);
  background:
    radial-gradient(circle at 70% 35%, rgba(242,166,59,.55), rgba(217,88,31,.25) 28%, transparent 55%),
    linear-gradient(160deg, var(--paper-2), #e6dcc4);
  border-radius: 4px; overflow: hidden;
  display: flex; align-items: flex-end;
}
.ph span { font: 500 .78rem/1.3 var(--sans); color: var(--ink-soft); background: rgba(251,248,238,.85); padding: 6px 10px; margin: 10px; border-radius: 3px; }
.ph.dark { background: radial-gradient(circle at 70% 30%, rgba(255,181,71,.6), transparent 45%), linear-gradient(170deg, #14213d, #2a6f7f); }
.r-1 { --ar: 1 / 1; } .r-45 { --ar: 4 / 5; } .r-916 { --ar: 9 / 16; } .r-169 { --ar: 16 / 9; } .r-32 { --ar: 3 / 2; } .r-feature { --ar: 1024 / 500; }

/* Video facade: loads YouTube/Vimeo only on click */
.video { position: relative; aspect-ratio: var(--ar, 16 / 9); background: #14213d; border-radius: 4px; overflow: hidden; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video button { all: unset; cursor: pointer; position: absolute; inset: 0; display: grid; place-items: center; color: #fff; font-weight: 600; }
.video button::before { content: ""; width: 68px; height: 68px; border-radius: 50%; background: var(--sun); box-shadow: 0 6px 24px rgba(0,0,0,.25); grid-area: 1 / 1; }
.video button::after { content: ""; grid-area: 1 / 1; border-style: solid; border-width: 11px 0 11px 18px; border-color: transparent transparent transparent #fff; margin-left: 5px; }
.video img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.video .label { position: absolute; left: 12px; bottom: 10px; font-size: .8rem; color: #dce6ea; }

/* Case study layout */
.case-hero { padding-bottom: 32px; }
.case-meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 16px 32px; margin: 28px 0 0; padding: 20px 0 0; border-top: 1px solid var(--line); }
.case-meta dt { font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); }
.case-meta dd { margin: 4px 0 0; }
.case-body { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: clamp(20px, 5vw, 64px); }
.case-body > h2 { font-size: 1.6rem; position: sticky; top: 88px; align-self: start; }
.case-body .prose { max-width: 68ch; }
@media (max-width: 760px) {
  .case-body { grid-template-columns: 1fr; gap: 8px; }
  .case-body > h2 { position: static; }
}
.big-idea { font: 400 clamp(2rem, 5vw, 3.6rem)/1.05 var(--serif); color: var(--indigo); margin: 0 0 .4em; }
.swatches { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; margin: 16px 0; }
.swatches li { font-size: .78rem; display: grid; gap: 6px; width: 96px; }
.swatches i { display: block; height: 56px; border-radius: 4px; border: 1px solid rgba(0,0,0,.08); }
.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; }
.steps li { counter-increment: step; padding: 14px 0 14px 48px; position: relative; border-top: 1px solid var(--line); }
.steps li::before { content: counter(step, decimal-leading-zero); position: absolute; left: 0; top: 14px; font: 400 1.4rem/1 var(--serif); color: var(--sun); }
.gallery { display: grid; gap: 16px; margin-top: 24px; }
.gallery-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: start; }
@media (max-width: 620px) { .gallery-3 { grid-template-columns: 1fr; } }
figure { margin: 0; }
figcaption { font-size: .85rem; color: var(--ink-soft); margin-top: 8px; }

ul.clean { list-style: none; padding: 0; margin: 0; }
ul.clean li { padding: 8px 0; border-top: 1px solid var(--line); }

/* About */
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 8px 24px; padding: 20px 0; border-top: 1px solid var(--line); }
.timeline .when { color: var(--ink-soft); font-size: .95rem; }
.timeline h3 { margin-bottom: .15em; font-size: 1.4rem; }
.timeline p { margin: 0; color: var(--ink-soft); }
@media (max-width: 620px) { .timeline li { grid-template-columns: 1fr; } }
.skills h3 { font-size: 1.25rem; }
.skills ul { margin: 0; padding-left: 1.1em; color: var(--ink-soft); }
blockquote { margin: 0; padding: 24px; background: #fff; border-radius: 4px; border: 1px solid var(--line); }
blockquote p { font: 400 1.25rem/1.35 var(--serif); }
blockquote footer { font-size: .88rem; color: var(--ink-soft); }
blockquote footer strong { color: var(--ink); display: block; }

/* Contact */
.contact-list { list-style: none; padding: 0; margin: 32px 0 0; }
.contact-list li { border-top: 1px solid var(--line); }
.contact-list a { display: flex; justify-content: space-between; gap: 16px; padding: 22px 0; text-decoration: none; font: 400 clamp(1.4rem, 4vw, 2.4rem)/1.1 var(--serif); overflow-wrap: anywhere; }
.contact-list small { font: 500 .75rem/1 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); align-self: center; flex-shrink: 0; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 32px 0 48px; font-size: .9rem; color: var(--ink-soft); }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.site-footer ul { display: flex; gap: 18px; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card .ph, .card picture { transition: none; }
}

/* Real images and videos in case studies */
.gallery-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; }
@media (max-width: 620px) { .gallery-2 { grid-template-columns: 1fr; } }
.gallery img, .wrap > picture img, .case-hero + .wrap img { width: 100%; height: auto; border-radius: 4px; background: var(--paper-2); }
.case-hero + .wrap { margin-bottom: 8px; }
.prose.wide { max-width: none; }
.prose.wide > p { max-width: 68ch; }
.card .cover { margin-bottom: 14px; border-radius: 4px; overflow: hidden; transition: transform .25s ease; }
.card .cover img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.card:hover .cover { transform: translateY(-3px); }
video.vid { display: block; width: 100%; height: auto; border-radius: 4px; background: #14213d; }
.card .cover .ph { margin-bottom: 0; }
@media (max-width: 620px) { .gallery-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; } }