/* =============================================================
   Andrés Galván — Portafolio profesional
   Archetype: Editorial Dark Warm
   ============================================================= */

/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg:        #15120e;
  --bg-2:      #1c1813;
  --bg-3:      #221d16;
  --ink:       #f2ebdd;
  --ink-mute:  #a89d89;
  --ink-faint: #6f6656;
  --line:      rgba(242, 235, 221, 0.12);
  --line-soft: rgba(242, 235, 221, 0.07);
  --accent:    #cca86b;
  --accent-hi: #e4c68f;
  --accent-soft: rgba(204, 168, 107, 0.14);
  --sage:      #9aab8c;

  --serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --sans:  "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono:  "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --wrap: 1140px;
  --gutter: clamp(1.15rem, 4vw, 3rem);

  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.62;
  color: var(--ink);
  background: var(--bg);
  -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: 1.08; letter-spacing: -0.015em; font-weight: 500; }
ul, ol { list-style: none; padding: 0; }
::selection { background: var(--accent); color: #1a1712; }

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

/* =============================================================
   3. Utilities
   ============================================================= */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.skip-link {
  position: fixed; top: -100px; left: 1rem;
  padding: .6rem 1rem; background: var(--accent); color: #1a1712;
  z-index: 9999; border-radius: 8px; font-weight: 600;
}
.skip-link:focus { top: 1rem; }

.grain {
  position: fixed; inset: 0; z-index: 1;
  pointer-events: none; opacity: 0.05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.5 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-size: 200px 200px;
}

/* =============================================================
   4. Typography helpers
   ============================================================= */
.kicker, .section-eyebrow {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 4.4vw, 3rem);
  margin-top: .5rem;
}
.section-intro {
  color: var(--ink-mute);
  max-width: 46ch;
  margin-top: 1rem;
  font-size: 1.02rem;
}

/* =============================================================
   5. Components
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5rem;
  padding: .95rem 1.7rem;
  background: var(--accent);
  color: #1a1712;
  font-weight: 600;
  border-radius: 999px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.25);
  transition: transform .4s var(--ease-soft), box-shadow .4s var(--ease-soft), background .3s;
}
.btn:hover {
  transform: translateY(-3px);
  background: var(--accent-hi);
  box-shadow: 0 18px 40px rgba(204,168,107,0.22);
}
.btn:active { transform: translateY(-1px); transition-duration: .12s; }
.btn-sm { padding: .6rem 1.15rem; font-size: .9rem; }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--line);
}
.btn-ghost:hover { background: rgba(242,235,221,0.05); box-shadow: inset 0 0 0 1px var(--accent); }
.btn-block { width: 100%; margin-top: .5rem; }

/* =============================================================
   6. Navigation
   ============================================================= */
.nav {
  position: sticky; top: 0; inset-inline: 0; z-index: 100;
  background: rgba(21, 18, 14, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background-color .4s var(--ease-out), backdrop-filter .4s var(--ease-out), box-shadow .4s var(--ease-out);
}
.nav-inner {
  max-width: var(--wrap); margin-inline: auto;
  padding: 1.1rem var(--gutter);
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem .75rem;
}
.nav.is-scrolled .nav-links { display: none; }
.nav.is-scrolled {
  background: rgba(21, 18, 14, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--line-soft);
}
.nav-inner > .nav-inner__pad { padding-top: 1.1rem; }
.nav.is-scrolled .nav-inner { padding-top: .75rem; padding-bottom: .75rem; }
.nav-logo {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 600;
  display: inline-flex; align-items: baseline; gap: .4rem;
}
.nav-logo span { color: var(--accent); }
.nav-logo em {
  font-style: normal;
  font-family: var(--mono);
  font-size: .62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
@media (max-width: 560px) {
  .nav-logo span, .nav-logo em { display: none; }
}
.nav-links {
  display: flex;
  gap: 1.15rem;
  order: 3;
  width: 100%;
  overflow-x: auto;
  padding-top: .55rem;
  scrollbar-width: none;
}
.nav-links::-webkit-scrollbar { display: none; }
.nav-link {
  position: relative;
  font-size: .92rem;
  color: var(--ink-mute);
  padding: .25rem 0;
  white-space: nowrap;
  transition: color .3s;
}
.nav-link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: right;
  transition: transform .4s var(--ease-soft);
}
.nav-link:hover { color: var(--ink); }
.nav-link:hover::after { transform: scaleX(1); transform-origin: left; }

@media (min-width: 900px) {
  .nav {
    position: fixed;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
  .nav.is-scrolled {
    background: rgba(21, 18, 14, 0.82);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
  .nav-inner { flex-wrap: nowrap; }
  .nav-links,
  .nav.is-scrolled .nav-links {
    display: flex;
    order: 0; width: auto; overflow: visible;
    gap: 2rem; padding-top: 0;
  }
}

/* =============================================================
   7. Hero
   ============================================================= */
.hero {
  position: relative;
  padding-top: clamp(2.5rem, 6vh, 4rem);
  padding-bottom: clamp(3rem, 8vh, 5rem);
  overflow: hidden;
  isolation: isolate;
}
@media (min-width: 900px) {
  .hero { padding-top: clamp(9rem, 20vh, 12rem); }
}
.hero-mesh {
  position: absolute; inset: -20% -10% auto -10%; height: 120%;
  z-index: -1;
  background:
    radial-gradient(55% 45% at 20% 25%, rgba(204,168,107,0.20), transparent 60%),
    radial-gradient(50% 40% at 85% 15%, rgba(154,171,140,0.12), transparent 65%),
    radial-gradient(60% 50% at 60% 90%, rgba(204,168,107,0.10), transparent 70%);
  filter: blur(60px) saturate(120%);
  animation: meshShift 26s ease-in-out infinite alternate;
}
@keyframes meshShift {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  100% { transform: translate3d(-3%, 2%, 0) scale(1.08); }
}
.hero-inner { max-width: 900px; }
.hero-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.5rem, 6.5vw, 4.6rem);
  line-height: 1.03;
  margin: 1.4rem 0 0;
  letter-spacing: -0.02em;
}
.hero-lead {
  margin-top: 1.6rem;
  font-size: clamp(1.05rem, 1.6vw, 1.22rem);
  color: var(--ink-mute);
  max-width: 54ch;
}
.hero-lead strong { color: var(--ink); font-weight: 600; }
.hero-cta {
  margin-top: 2.2rem;
  display: flex; flex-wrap: wrap; gap: .9rem;
}

.stats {
  margin-top: clamp(3.5rem, 9vh, 6rem);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  overflow: hidden;
}
.stat {
  background: var(--bg);
  padding: 1.6rem 1.4rem;
  display: flex; flex-direction: column; gap: .5rem;
}
.stat-num {
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 2.9rem);
  color: var(--accent);
  line-height: 1;
}
.stat-label { font-size: .86rem; color: var(--ink-mute); }

@media (min-width: 780px) {
  .stats { grid-template-columns: repeat(4, 1fr); }
}

/* =============================================================
   8. Sections
   ============================================================= */
.section {
  padding-block: clamp(3.5rem, 10vh, 6rem);
  position: relative;
  z-index: 2;
}
.section:has(.marquee) { padding-bottom: 0; }
.section-alt { background: var(--bg-2); }
.section-head { max-width: 52ch; margin-bottom: clamp(2.5rem, 6vh, 4rem); }

/* --- Servicios --- */
.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}
@media (min-width: 640px)  { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .cards { grid-template-columns: repeat(3, 1fr); } }

.card {
  background: var(--bg-2);
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  padding: 1.7rem 1.6rem 1.9rem;
  display: flex; flex-direction: column;
  transition: border-color .4s var(--ease-out), transform .5s var(--ease-soft), background .4s;
}
.section-alt .card { background: var(--bg-3); }
.card:hover {
  border-color: var(--accent-soft);
  transform: translateY(-4px);
}
.card-n {
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--accent);
  letter-spacing: .1em;
}
.card h3 {
  font-family: var(--serif);
  font-size: 1.28rem;
  margin: .7rem 0 .6rem;
}
.card p { color: var(--ink-mute); font-size: .95rem; flex: 1; }
.card-tags {
  display: flex; flex-wrap: wrap; gap: .4rem;
  margin-top: 1.2rem;
}
.card-tags li {
  font-size: .74rem;
  font-family: var(--mono);
  color: var(--ink-mute);
  padding: .28rem .6rem;
  border: 1px solid var(--line);
  border-radius: 999px;
}

/* --- Enfoque IA --- */
.enfoque-grid { display: grid; gap: 2.2rem; }
.enfoque-grid .section-head { margin-bottom: 0; }
@media (min-width: 980px) {
  .enfoque-grid { grid-template-columns: 0.95fr 1.05fr; gap: 5rem; align-items: start; }
  .enfoque-grid .section-head { position: sticky; top: 6rem; }
}
.ai-tools {
  margin-top: 1.8rem;
  display: flex; flex-wrap: wrap; align-items: center; gap: .55rem;
  font-size: .8rem;
}
.ai-tools span { color: var(--ink-faint); font-family: var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.ai-tools strong {
  font-weight: 500;
  padding: .3rem .7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
}
.approach { display: grid; gap: 1rem; }
.approach-item {
  border-left: 2px solid var(--accent-soft);
  padding: .3rem 0 .3rem 1.4rem;
  transition: border-color .4s;
}
.approach-item:hover { border-color: var(--accent); }
.approach-item h3 { font-family: var(--serif); font-size: 1.35rem; margin-bottom: .4rem; }
.approach-item p { color: var(--ink-mute); }

/* --- Timeline --- */
.timeline {
  position: relative;
  display: grid;
  gap: 2.4rem;
}
.timeline::before {
  content: ""; position: absolute; left: 0; top: .4rem; bottom: .4rem;
  width: 1px; background: var(--line);
}
.tl-item {
  position: relative;
  padding-left: 1.8rem;
  display: grid;
  gap: .5rem;
}
.tl-item::before {
  content: ""; position: absolute; left: -4px; top: .45rem;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--bg);
}
.tl-period {
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--ink-faint);
  text-transform: uppercase;
}
.tl-body h3 {
  font-family: var(--serif);
  font-size: 1.2rem;
}
.tl-body h3 em { font-style: normal; color: var(--ink-mute); font-size: .9rem; font-family: var(--sans); }
.tl-body p { color: var(--ink-mute); font-size: .95rem; margin-top: .3rem; max-width: 62ch; }

@media (min-width: 720px) {
  .tl-item {
    grid-template-columns: 160px 1fr;
    padding-left: 2.2rem;
    gap: 1.5rem;
  }
  .tl-period { padding-top: .15rem; }
}

/* --- Marquee --- */
.marquee {
  margin-top: clamp(3rem, 8vh, 5rem);
  margin-bottom: 0;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-wrap: nowrap;
  border-block: 1px solid var(--line-soft);
  padding-block: 1.4rem;
}
.marquee::before, .marquee::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 90px; z-index: 2; pointer-events: none;
}
.marquee::before { left: 0; background: linear-gradient(90deg, var(--bg), transparent); }
.marquee::after  { right: 0; background: linear-gradient(270deg, var(--bg), transparent); }
.marquee-track {
  display: inline-flex; gap: 2.4rem; white-space: nowrap; will-change: transform;
  font-family: var(--serif);
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  color: var(--ink-mute);
}
.marquee-track span:nth-child(even) { color: var(--accent); }

/* --- Sobre mí --- */
.about-grid { display: grid; gap: 2.6rem; }
@media (min-width: 860px) {
  .about-grid { grid-template-columns: 0.8fr 1.2fr; gap: 4rem; align-items: center; }
}
.about-photo { border-radius: 16px; overflow: hidden; border: 1px solid var(--line); background: var(--bg-3); }
.about-photo img { width: 100%; height: auto; }
.about-photo figcaption {
  font-size: .72rem; color: var(--ink-faint); font-family: var(--mono);
  padding: .7rem .9rem; text-align: center;
}
.about-text p { color: var(--ink-mute); margin-top: 1rem; max-width: 58ch; }
.about-text .section-title { font-size: clamp(1.7rem, 3.6vw, 2.4rem); }
.about-note { font-size: .9rem; }
.swap {
  color: var(--accent);
  font-family: var(--mono);
  font-size: .8rem;
}

/* --- Contacto --- */
.section-contact { background: var(--bg-2); }
.contact-grid { display: grid; gap: 2.4rem; }
@media (min-width: 900px) {
  .contact-grid { grid-template-columns: 1fr 0.9fr; gap: 4rem; align-items: start; }
}
.intents { display: grid; gap: 1.3rem; }
.intents li { border-top: 1px solid var(--line); padding-top: 1.2rem; }
.intents h3 { font-family: var(--serif); font-size: 1.18rem; margin-bottom: .3rem; }
.intents p { color: var(--ink-mute); font-size: .95rem; }

.contact-card {
  background: var(--bg);
  border: 1px solid var(--line-soft);
  border-radius: 18px;
  padding: 1.6rem;
  display: grid;
  gap: .3rem;
}
.contact-line {
  display: flex; flex-direction: column; gap: .15rem;
  padding: .9rem .3rem;
  border-bottom: 1px solid var(--line-soft);
  transition: color .3s;
}
.contact-line:not(.contact-line--static):hover .contact-value { color: var(--accent); }
.contact-label {
  font-family: var(--mono); font-size: .7rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--ink-faint);
}
.contact-value { font-size: 1.05rem; transition: color .3s; }

/* =============================================================
   9. Footer
   ============================================================= */
.footer {
  border-top: 1px solid var(--line-soft);
  padding-block: 2rem;
  position: relative; z-index: 2;
}
.footer-inner {
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
  font-size: .84rem; color: var(--ink-faint);
}
.footer-top { color: var(--ink-mute); transition: color .3s; }
.footer-top:hover { color: var(--accent); }

/* =============================================================
   10. Effects — reveal / split
   ============================================================= */
[data-reveal] {
  opacity: 0; transform: translateY(34px);
  transition: opacity .8s var(--ease-soft), transform .8s var(--ease-soft);
}
[data-reveal].is-revealed { opacity: 1; transform: none; }

.split-word {
  display: inline-block;
  will-change: transform, opacity;
}
/* defensive: if split runs but JS reveal skipped it */
[data-reveal][data-split] { opacity: 1; transform: none; }

/* =============================================================
   11. Reduced motion — only intrusive effects
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-mesh { animation: none; }
  .marquee-track { animation: none !important; }
}