/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg: #15110d;
  --bg-alt: #1b1611;
  --panel: #201a14;
  --panel-line: #352b21;
  --cream: #f4ecdf;
  --cream-dim: #cabfae;
  --cream-faint: #8f8676;
  --accent: #b98a42;
  --accent-bright: #d3a860;
  --accent-deep: #7a5222;

  --serif: "Fraunces", "Cormorant Garamond", Georgia, serif;
  --sans: "Manrope", "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);

  --container: 1160px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; tab-size: 2; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--cream-dim);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}

img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.05; letter-spacing: -0.01em; font-family: var(--serif); color: var(--cream); font-weight: 500; }
ul, ol { list-style: none; padding: 0; }
::selection { background: var(--accent); color: var(--bg); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* =============================================================
   3. Utilities
   ============================================================= */
.container { max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; top: -100px; left: 1rem; padding: .6rem 1rem;
  background: var(--accent); color: var(--bg); z-index: 9999;
  border-radius: 8px; font-weight: 700;
}
.skip-link:focus { top: 1rem; }

.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 2; opacity: .05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* =============================================================
   4. Typography
   ============================================================= */
.eyebrow {
  font-family: var(--sans); font-size: .8rem; font-weight: 700;
  letter-spacing: .16em; text-transform: uppercase; color: var(--accent);
}
.section-num {
  font-family: var(--serif); font-size: 1rem; color: var(--accent);
  border: 1px solid var(--panel-line); border-radius: 999px;
  width: 2.4rem; height: 2.4rem; display: inline-flex; align-items: center; justify-content: center;
  flex: none;
}
.section-title { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
.lead-p { font-size: 1.1rem; color: var(--cream); }
.section-intro { color: var(--cream-dim); max-width: 46ch; font-size: 1.05rem; }

/* =============================================================
   5. Components
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .9rem 1.7rem; border-radius: 999px; font-weight: 700; font-size: .92rem;
  letter-spacing: .01em; transition: transform .35s var(--ease-out), background .35s var(--ease-out), border-color .35s var(--ease-out), color .35s var(--ease-out);
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #1a1206; }
.btn-primary:hover { background: var(--accent-bright); transform: translateY(-2px); }
.btn-ghost { border: 1px solid var(--panel-line); color: var(--cream); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-bright); }
.btn-line { border: 1px solid var(--accent-deep); color: var(--cream); }
.btn-line:hover { border-color: var(--accent); background: rgba(207,154,76,.08); }

.tag-row { display: flex; flex-wrap: wrap; gap: .6rem; }
.tag {
  font-size: .82rem; font-weight: 600; color: var(--accent-bright);
  border: 1px solid var(--panel-line); padding: .45rem .9rem; border-radius: 999px;
  background: rgba(207,154,76,.06);
}
.tag-accent {
  color: var(--bg); background: var(--accent); border-color: var(--accent);
  font-weight: 700;
}

/* =============================================================
   6. Sections — general
   ============================================================= */
.section { padding: clamp(4rem, 9vw, 7rem) 0; border-top: 1px solid var(--panel-line); }
.section-alt { background: var(--bg-alt); }
.section-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
.section-head { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.75rem; }
.section-head-wide { flex-direction: column; align-items: flex-start; gap: 1rem; margin-bottom: 3rem; }
.section-head-wide .section-title { margin-top: .25rem; }
.section-body p + p { margin-top: 1.1rem; }
.section-body .tag-row { margin-top: 1.5rem; }

@media (min-width: 960px) {
  .section-grid { grid-template-columns: 280px 1fr; gap: 3rem; }
  .section-head { position: sticky; top: 6rem; align-self: start; flex-direction: column; align-items: flex-start; gap: 1.25rem; }
}

/* =============================================================
   6a. Nav
   ============================================================= */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(21,17,13,.82); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--panel-line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding-block: 1rem; gap: 1rem; }
.nav-mark { font-family: var(--serif); font-size: 1.3rem; color: var(--cream); letter-spacing: .02em; }
.nav-mark span { color: var(--accent); }
.nav-links { display: none; gap: 1.9rem; }
.nav-links a { font-size: .88rem; font-weight: 600; color: var(--cream-dim); transition: color .3s var(--ease-out); position: relative; }
.nav-links a:hover { color: var(--accent-bright); }
.nav-cta { display: none; }
.nav-toggle {
  width: 2.4rem; height: 2.4rem; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  border: 1px solid var(--panel-line); border-radius: 8px;
}
.nav-toggle span { width: 16px; height: 2px; background: var(--cream); border-radius: 2px; transition: transform .3s var(--ease-out), opacity .3s var(--ease-out); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-drawer {
  display: flex; flex-direction: column; gap: 1.1rem; padding: 1.5rem var(--gutter) 2rem;
  border-bottom: 1px solid var(--panel-line); background: var(--bg-alt);
}
.nav-drawer a { font-size: 1.05rem; font-weight: 600; color: var(--cream); }
.nav-drawer[hidden] { display: none; }

@media (min-width: 960px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-toggle { display: none; }
}

/* =============================================================
   6b. Hero
   ============================================================= */
.hero {
  position: relative;
  padding-top: clamp(4rem, 12vw, 8rem);
  padding-bottom: clamp(3rem, 8vw, 5rem);
  overflow: clip;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero-mesh {
  position: absolute; inset: -20%;
  background:
    radial-gradient(45% 45% at 78% 12%, rgba(207,154,76,.22), transparent 70%),
    radial-gradient(40% 40% at 15% 85%, rgba(138,90,38,.18), transparent 70%);
  filter: blur(10px);
}
.hero-mono {
  position: absolute; top: -6vw; right: -2vw;
  font-family: var(--serif); font-size: clamp(9rem, 26vw, 22rem); font-weight: 500;
  color: transparent; -webkit-text-stroke: 1px var(--panel-line);
  line-height: 1; user-select: none;
}
.hero-inner { position: relative; z-index: 1; max-width: 46rem; }
.hero-title { font-size: clamp(2.6rem, 7vw, 5rem); margin-block: 1.1rem 1.4rem; }
.hero-lede { font-size: clamp(1.02rem, 1.6vw, 1.2rem); color: var(--cream-dim); max-width: 42rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.2rem; }

.hero-stats {
  position: relative; z-index: 1;
  margin-top: clamp(3rem, 8vw, 5rem);
  border-top: 1px solid var(--panel-line);
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 0;
}
.stat { padding: 1.6rem var(--gutter); border-right: 1px solid var(--panel-line); border-bottom: 1px solid var(--panel-line); }
.stat:nth-child(2n) { border-right: 0; }
.stat-value { font-family: var(--serif); font-size: clamp(2rem, 4vw, 2.6rem); color: var(--accent-bright); display: block; }
.stat-label { font-size: .85rem; color: var(--cream-faint); margin-top: .3rem; max-width: 18ch; }

@media (min-width: 720px) {
  .hero-stats { grid-template-columns: repeat(4, 1fr); }
  .stat:nth-child(2n) { border-right: 1px solid var(--panel-line); }
  .stat:nth-last-child(-n+4) { border-bottom: 0; }
}

/* =============================================================
   6c. Institutions / subjects (docencia)
   ============================================================= */
.inst-grid { display: grid; grid-template-columns: 1fr; gap: .6rem; margin: 1.6rem 0; }
.inst-grid span {
  font-family: var(--serif); font-size: 1.02rem; color: var(--cream);
  padding: .9rem 1.1rem; border: 1px solid var(--panel-line); border-radius: 10px; background: var(--panel);
}
@media (min-width: 720px) { .inst-grid { grid-template-columns: 1fr 1fr; } }

/* =============================================================
   6d. Timeline (trayectoria)
   ============================================================= */
.timeline { position: relative; margin-top: 1rem; }
.timeline::before {
  content: ""; position: absolute; left: 8px; top: .5rem; bottom: .5rem; width: 1px;
  background: linear-gradient(var(--panel-line), var(--panel-line));
}
@media (min-width: 720px) { .timeline::before { left: 50%; transform: translateX(-.5px); } }

.tl-item { position: relative; padding-left: 2.2rem; padding-bottom: 2.6rem; }
.tl-item:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute; left: 1px; top: .4rem; width: 15px; height: 15px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--accent);
}
.tl-card {
  background: var(--panel); border: 1px solid var(--panel-line); border-radius: 14px;
  padding: 1.6rem 1.7rem;
}
.tl-period { color: var(--accent-bright); font-weight: 700; font-size: .85rem; letter-spacing: .04em; }
.tl-role { margin-top: .5rem; font-size: 1.3rem; }
.tl-org { color: var(--cream-faint); font-size: .9rem; margin-top: .3rem; }
.tl-text { margin-top: .8rem; font-size: .96rem; }

@media (min-width: 720px) {
  .tl-item { padding-left: 0; width: 50%; }
  .tl-item:nth-child(odd) { padding-right: 3rem; text-align: right; }
  .tl-item:nth-child(even) { margin-left: 50%; padding-left: 3rem; }
  .tl-item:nth-child(odd) .tl-dot { right: -8.5px; left: auto; }
  .tl-item:nth-child(even) .tl-dot { left: -8.5px; }
  .tl-item:nth-child(odd) .tl-org,
  .tl-item:nth-child(odd) .tl-period { text-align: right; }
}

/* =============================================================
   6e. Education grid
   ============================================================= */
.edu-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.edu-card {
  border: 1px solid var(--panel-line); border-radius: 14px; padding: 1.5rem 1.6rem;
  background: var(--panel); transition: border-color .3s var(--ease-out), transform .3s var(--ease-out);
}
.edu-card:hover { border-color: var(--accent-deep); transform: translateY(-2px); }
.edu-card h3 { font-size: 1.12rem; margin-bottom: .5rem; }
.edu-card p { color: var(--cream-faint); font-size: .92rem; }
@media (min-width: 720px) { .edu-grid { grid-template-columns: 1fr 1fr; } }

/* =============================================================
   6f. Skills
   ============================================================= */
.skills-list { display: flex; flex-direction: column; gap: 1.4rem; max-width: 44rem; }
.skill-row .skill-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: .55rem; gap: 1rem; }
.skill-row .skill-name { color: var(--cream); font-weight: 600; font-size: .98rem; }
.skill-row .skill-level { color: var(--accent-bright); font-size: .8rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; flex: none; }
.skill-bar { height: 6px; border-radius: 999px; background: var(--panel-line); overflow: hidden; }
.skill-fill { height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--accent-deep), var(--accent-bright)); width: 0%; transition: width 1.1s var(--ease-soft); }

/* =============================================================
   6g. Contact
   ============================================================= */
.section-contact { border-bottom: 1px solid var(--panel-line); }
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 1.4rem; }
@media (min-width: 860px) { .contact-grid { grid-template-columns: 1.2fr 1fr; } }

.contact-card {
  background: var(--panel); border: 1px solid var(--panel-line); border-radius: 18px;
  padding: clamp(1.6rem, 3vw, 2.4rem);
}
.contact-card h3 { font-size: 1.4rem; margin-bottom: .5rem; }
.contact-card > p { color: var(--cream-faint); margin-bottom: 1.4rem; font-size: .95rem; }

.contact-form { display: flex; flex-direction: column; gap: .9rem; }
.contact-form input, .contact-form textarea {
  width: 100%; background: var(--bg); border: 1px solid var(--panel-line); border-radius: 10px;
  padding: .85rem 1rem; color: var(--cream); font-family: var(--sans); font-size: .96rem;
  transition: border-color .3s var(--ease-out);
}
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--accent); outline: none; }
.contact-form textarea { resize: vertical; min-height: 7rem; }
.contact-form .btn { align-self: flex-start; margin-top: .3rem; }
.form-note { font-size: .82rem; color: var(--cream-faint); min-height: 1.2em; }

.contact-card-info { display: flex; flex-direction: column; }
.contact-line {
  display: flex; flex-direction: column; gap: .2rem; padding: 1rem 0;
  border-bottom: 1px solid var(--panel-line); transition: color .3s var(--ease-out);
}
a.contact-line:hover { color: var(--accent-bright); }
.contact-line-label { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--cream-faint); }
.contact-cta { margin-top: 1.4rem; width: 100%; }
.contact-card-info .form-note { margin-top: .8rem; }

/* =============================================================
   6h. Footer
   ============================================================= */
.footer { padding: 2.4rem 0; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; }
.footer p { font-size: .85rem; color: var(--cream-faint); }
.footer-top { font-size: .85rem; font-weight: 600; color: var(--cream-dim); }
.footer-top:hover { color: var(--accent-bright); }

/* =============================================================
   7. Effects — reveal-on-scroll
   ============================================================= */
.reveal-up {
  opacity: 0; transform: translateY(22px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
  transition-delay: calc(var(--d, 0) * 90ms);
}
.reveal-up.is-visible { opacity: 1; transform: translateY(0); }

.stat, .tl-item, .edu-card, .skill-row { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
.stat.is-visible, .tl-item.is-visible, .edu-card.is-visible, .skill-row.is-visible { opacity: 1; transform: translateY(0); }

/* =============================================================
   8. Responsive niceties
   ============================================================= */
@media (min-width: 540px) { }
@media (min-width: 1280px) { .hero-inner { max-width: 50rem; } }

/* =============================================================
   9. Reduced motion — only intrusive effects
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal-up, .stat, .tl-item, .edu-card, .skill-row {
    opacity: 1 !important; transform: none !important; transition: none !important;
  }
  .skill-fill { transition: none; }
}