/* ─────────────────────────────────────────────────────────
   Ana Dalia Domínguez Martín — portfolio
   Palette borrows from rock strata: basalt, ochre, clay, sage
   ───────────────────────────────────────────────────────── */

:root {
  --bg:        #f7f4ef;
  --bg-alt:    #efeae2;
  --surface:   #ffffff;
  --ink:       #1c2226;
  --ink-soft:  #55606a;
  --ink-faint: #8b949c;
  --line:      #ded7cc;
  --ochre:     #b5762a;
  --ochre-soft:#e3c893;
  --clay:      #9c5238;
  --sage:      #5d7d6b;
  --shadow:    0 1px 2px rgba(28,34,38,.05), 0 12px 32px -12px rgba(28,34,38,.15);
  --radius:    14px;
  --wrap:      1120px;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: ui-sans-serif, -apple-system, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:        #12161a;
    --bg-alt:    #171c21;
    --surface:   #1b2127;
    --ink:       #e9e5de;
    --ink-soft:  #a8b0b8;
    --ink-faint: #6d777f;
    --line:      #2a323a;
    --ochre:     #d1913c;
    --ochre-soft:#6a4c1d;
    --clay:      #c4785a;
    --sage:      #7fa48d;
    --shadow:    0 1px 2px rgba(0,0,0,.3), 0 16px 40px -14px rgba(0,0,0,.6);
  }
}
:root[data-theme="dark"] {
  --bg:        #12161a;
  --bg-alt:    #171c21;
  --surface:   #1b2127;
  --ink:       #e9e5de;
  --ink-soft:  #a8b0b8;
  --ink-faint: #6d777f;
  --line:      #2a323a;
  --ochre:     #d1913c;
  --ochre-soft:#6a4c1d;
  --clay:      #c4785a;
  --sage:      #7fa48d;
  --shadow:    0 1px 2px rgba(0,0,0,.3), 0 16px 40px -14px rgba(0,0,0,.6);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -.015em; line-height: 1.12; margin: 0; }
p { margin: 0 0 1em; }
a { color: inherit; }
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }

.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--ochre); color: #fff; padding: .6rem 1rem; border-radius: 0 0 8px 0;
}
.skip:focus { left: 0; }

/* ── Navigation ─────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, background .25s;
}
.nav.stuck { border-bottom-color: var(--line); }
.nav-inner {
  width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto;
  display: flex; align-items: center; gap: 1.5rem;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: .65rem; text-decoration: none; font-weight: 600; font-size: .95rem; letter-spacing: -.01em; }
.brand img { width: 34px; height: 34px; border-radius: 50%; object-fit: cover; border: 1px solid var(--line); }
.nav-links { margin-left: auto; display: flex; gap: 1.6rem; }
.nav-links a {
  text-decoration: none; font-size: .875rem; color: var(--ink-soft);
  padding: .25rem 0; position: relative; transition: color .2s;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px;
  background: var(--ochre); transform: scaleX(0); transform-origin: left; transition: transform .25s;
}
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-links a.active::after, .nav-links a:hover::after { transform: scaleX(1); }
.nav-tools { display: flex; gap: .4rem; }
.pill {
  font: inherit; font-size: .78rem; font-weight: 600; letter-spacing: .04em;
  height: 34px; min-width: 38px; padding: 0 .6rem;
  display: grid; place-items: center;
  background: transparent; color: var(--ink-soft);
  border: 1px solid var(--line); border-radius: 999px; cursor: pointer;
  transition: color .2s, border-color .2s, background .2s;
}
.pill:hover { color: var(--ink); border-color: var(--ink-faint); }
.pill.icon svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; }
/* show the icon of the theme the button switches TO */
.pill.icon .sun { display: none; }
.pill.icon .moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .pill.icon .sun { display: block; }
  :root:not([data-theme="light"]) .pill.icon .moon { display: none; }
}
:root[data-theme="dark"] .pill.icon .sun { display: block; }
:root[data-theme="dark"] .pill.icon .moon { display: none; }
@media (max-width: 860px) { .nav-links { display: none; } .nav-tools { margin-left: auto; } }

/* ── Hero ───────────────────────────────────────────────── */
.hero { position: relative; padding: clamp(3rem, 8vw, 6.5rem) 0 clamp(3.5rem, 8vw, 6rem); overflow: hidden; }
.strata-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(120% 90% at 80% 0%, color-mix(in srgb, var(--ochre) 13%, transparent), transparent 60%),
    repeating-linear-gradient(
      177deg,
      transparent 0 46px,
      color-mix(in srgb, var(--ink) 4%, transparent) 46px 47px,
      transparent 47px 92px,
      color-mix(in srgb, var(--ink) 2.5%, transparent) 92px 94px
    );
  mask-image: linear-gradient(to bottom, #000 0%, transparent 92%);
}
.hero-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.25fr .85fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center;
}
.eyebrow {
  font-family: var(--mono); font-size: .78rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--ochre); margin: 0 0 1.1rem; display: flex; align-items: center; gap: .6rem;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--ochre); }
h1 { font-size: clamp(2.6rem, 6.4vw, 4.4rem); margin-bottom: .7rem; }
.role { font-size: clamp(1rem, 1.6vw, 1.12rem); color: var(--ochre); font-weight: 500; margin-bottom: 1.2rem; }
.lede { font-size: clamp(1.02rem, 1.7vw, 1.18rem); color: var(--ink-soft); max-width: 46ch; margin-bottom: 2rem; }

.cta { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 2.6rem; }
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .72rem 1.25rem; border-radius: 999px;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  text-decoration: none; font-size: .92rem; font-weight: 500;
  transition: transform .2s, box-shadow .2s, border-color .2s, background .2s;
}
.btn svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--ink-faint); }
.btn.primary { background: var(--ochre); border-color: var(--ochre); color: #fff; }
.btn.primary:hover { background: color-mix(in srgb, var(--ochre) 88%, #000); border-color: transparent; }

.facts { display: flex; flex-wrap: wrap; gap: 2.4rem; padding-top: 1.6rem; border-top: 1px solid var(--line); }
.facts li { display: flex; flex-direction: column; gap: .1rem; }
.facts b { font-family: var(--serif); font-size: 1.9rem; font-weight: 600; color: var(--ink); line-height: 1; }
.facts span { font-size: .8rem; color: var(--ink-faint); max-width: 15ch; line-height: 1.4; }

.portrait { margin: 0; }
.portrait-frame {
  position: relative; border-radius: 200px 200px 18px 18px; overflow: hidden;
  border: 1px solid var(--line); box-shadow: var(--shadow);
  background: var(--bg-alt);
}
.portrait-frame::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, color-mix(in srgb, var(--ink) 22%, transparent), transparent 42%);
  mix-blend-mode: multiply; pointer-events: none;
}
:root[data-theme="dark"] .portrait-frame::after { mix-blend-mode: normal; opacity: .5; }
.portrait img { width: 100%; height: auto; aspect-ratio: 4/5; object-fit: cover; }
.portrait figcaption {
  display: flex; align-items: center; gap: .55rem;
  margin-top: 1rem; font-size: .82rem; color: var(--ink-soft);
}
.dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--sage); flex: none;
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--sage) 60%, transparent);
  animation: pulse 2.6s ease-out infinite;
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 9px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; }
  .portrait { max-width: 340px; order: -1; }
  .facts { gap: 1.6rem; }
}

/* ── Sections ───────────────────────────────────────────── */
.band { padding: clamp(3.5rem, 7vw, 6rem) 0; border-top: 1px solid var(--line); }
.band.alt { background: var(--bg-alt); }
.sec-head { display: flex; align-items: baseline; gap: 1rem; margin-bottom: 2.6rem; }
.sec-head .num { font-family: var(--mono); font-size: .8rem; color: var(--ochre); letter-spacing: .1em; }
.sec-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.35rem); }
.sec-head::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.profile-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 4vw, 3.5rem); }
.big { font-family: var(--serif); font-size: clamp(1.3rem, 2.5vw, 1.7rem); line-height: 1.34; margin: 0; }
.profile-body p { color: var(--ink-soft); }
.profile-body p:last-child { margin-bottom: 0; }
@media (max-width: 780px) { .profile-grid { grid-template-columns: 1fr; } }

/* ── Experience ─────────────────────────────────────────── */
.role-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(1.4rem, 3vw, 2.1rem); box-shadow: var(--shadow);
  position: relative; overflow: hidden;
}
.role-card + .role-card { margin-top: 1rem; }
.role-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: linear-gradient(var(--ochre), var(--clay));
}
.role-card.edu::before { background: linear-gradient(var(--sage), var(--ochre)); }
.role-card header { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; flex-wrap: wrap; }
.role-card h3 { font-size: 1.3rem; margin-bottom: .25rem; }
.org { color: var(--ink-soft); font-size: .95rem; margin: 0; }
.when {
  font-family: var(--mono); font-size: .78rem; color: var(--ochre); white-space: nowrap;
  background: color-mix(in srgb, var(--ochre) 12%, transparent);
  padding: .3rem .7rem; border-radius: 999px;
}
.ticks { margin-top: 1.5rem; display: grid; gap: .85rem; }
.ticks li { position: relative; padding-left: 1.7rem; color: var(--ink-soft); font-size: .96rem; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: .55em;
  width: 8px; height: 8px; border-radius: 2px; background: var(--ochre-soft);
  border: 1px solid var(--ochre);
}

/* ── Projects ───────────────────────────────────────────── */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.2rem; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem; display: flex; flex-direction: column;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--ochre) 45%, var(--line)); }
.card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.3rem; }
.glyph { width: 42px; height: 42px; fill: none; stroke: var(--ochre); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.year { font-family: var(--mono); font-size: .76rem; color: var(--ink-faint); }
.card h3 { font-size: 1.1rem; line-height: 1.3; margin-bottom: .7rem; }
.card p { color: var(--ink-soft); font-size: .92rem; flex: 1; }
.tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .4rem; }
.tags li {
  font-size: .74rem; color: var(--ink-soft); background: var(--bg-alt);
  border: 1px solid var(--line); padding: .22rem .6rem; border-radius: 999px;
}
.band.alt .tags li { background: var(--bg); }

/* ── Skills ─────────────────────────────────────────────── */
.skill-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.2rem; }
.skill { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; }
.skill h3 { font-size: 1.05rem; margin-bottom: 1rem; padding-bottom: .8rem; border-bottom: 1px solid var(--line); }
.skill ul { display: grid; gap: .55rem; }
.skill li { font-size: .91rem; color: var(--ink-soft); padding-left: 1.1rem; position: relative; }
.skill li::before { content: "—"; position: absolute; left: 0; color: var(--ochre); }

.split { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(1.5rem, 4vw, 3.5rem); margin-top: 3rem; padding-top: 2.5rem; border-top: 1px solid var(--line); }
.minor { font-size: 1.1rem; margin-bottom: 1.2rem; }
.pubs { display: grid; gap: 1.1rem; }
.pubs li { padding-left: 1rem; border-left: 2px solid var(--ochre-soft); }
.pub-title { margin: 0 0 .2rem; font-size: .96rem; }
.pub-meta { margin: 0; font-size: .84rem; color: var(--ink-faint); }
.langs { display: grid; gap: 1.2rem; }
.lrow { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: .5rem; font-size: .92rem; }
.lrow b { font-weight: 500; color: var(--ink-faint); font-size: .82rem; }
.bar { height: 5px; border-radius: 999px; background: var(--line); overflow: hidden; }
.bar i { display: block; height: 100%; width: var(--v); border-radius: inherit; background: linear-gradient(90deg, var(--ochre), var(--clay)); transform-origin: left; transform: scaleX(0); transition: transform 1.1s cubic-bezier(.2,.7,.3,1); }
.bar.on i { transform: scaleX(1); }
@media (max-width: 780px) { .split { grid-template-columns: 1fr; } }

/* ── Contact ────────────────────────────────────────────── */
.contact .big { max-width: 58ch; margin-bottom: 2.4rem; color: var(--ink); }
.contact-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(215px, 1fr)); gap: 1rem; }
.ccard {
  display: flex; flex-direction: column; gap: .35rem;
  padding: 1.2rem 1.3rem; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); text-decoration: none;
  transition: border-color .2s, transform .2s;
}
a.ccard:hover { border-color: var(--ochre); transform: translateY(-2px); }
.clabel { font-family: var(--mono); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-faint); }
.cval { font-size: .95rem; word-break: break-word; }
a.ccard .cval { color: var(--ochre); }

/* ── Footer ─────────────────────────────────────────────── */
.foot { border-top: 1px solid var(--line); padding: 2rem 0; }
.foot .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem; font-size: .82rem; color: var(--ink-faint); }

/* ── Reveal on scroll ───────────────────────────────────── */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.3,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .dot { animation: none; }
  .bar i { transition: none; transform: scaleX(1); }
}

/* ── Print ──────────────────────────────────────────────── */
@media print {
  .nav, .cta, .strata-bg, .foot { display: none; }
  body { background: #fff; color: #000; font-size: 11pt; }
  .band { page-break-inside: avoid; border-top: 1px solid #ccc; padding: 1rem 0; }
  .js .reveal { opacity: 1 !important; transform: none !important; }
}