/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg:        #0a0a0b;
  --bg-2:      #101012;
  --bg-card:   #151517;
  --bg-elevated:#1b1b1e;
  --ink:       #f3f1ea;
  --ink-soft:  rgba(243,241,234,0.68);
  --ink-mute:  rgba(243,241,234,0.42);
  --accent:    #c9a961;
  --accent-dim: rgba(201,169,97,0.14);
  --accent-line: rgba(201,169,97,0.4);
  --line:      rgba(243,241,234,0.1);
  --line-soft: rgba(243,241,234,0.06);

  --f-display: "Fraunces", Georgia, serif;
  --f-sans:    "Instrument Sans", "Segoe UI", system-ui, sans-serif;
  --f-serif:   "Fraunces", Georgia, serif;

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

  --gutter:      clamp(1.25rem, 5vw, 4rem);
  --section-py:  clamp(4.5rem, 10vw, 8rem);
  --nav-h:       76px;
}

/* =============================================================
   1.5 Page transitions — subtle cross-fade between pages
   (index.html ↔ aviso-legal.html ↔ privacidad.html). CSS-only,
   no JS: browsers without support just navigate instantly, no
   fallback needed.
   ============================================================= */
@view-transition { navigation: auto; }
::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 0.45s;
  animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}
::view-transition-old(root) { animation-name: veskala-fade-out; }
::view-transition-new(root) { animation-name: veskala-fade-in; }
@keyframes veskala-fade-out { to { opacity: 0; } }
@keyframes veskala-fade-in { from { opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  ::view-transition-old(root),
  ::view-transition-new(root) { animation-duration: 0.001s; }
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
  scroll-behavior: smooth;
  background: var(--bg);
  color: var(--ink);
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  font-family: var(--f-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
  background: var(--bg);
  color: var(--ink);
}
img, svg, video { display: block; max-width: 100%; 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(--f-display); font-weight: 700; }
ul { list-style: none; }
em, .italic-serif {
  font-family: var(--f-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--accent);
}
::selection { background: var(--ink); color: var(--bg); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 3px; }

/* =============================================================
   3. Utilities
   ============================================================= */
.container { max-width: 1280px; margin-inline: auto; padding-inline: var(--gutter); }
.skip-link {
  position: fixed; top: -100px; left: 1rem;
  padding: .6rem 1.2rem; background: var(--ink); color: var(--bg);
  z-index: 9999; border-radius: 6px; font-weight: 600; font-size: .875rem;
}
.skip-link:focus { top: 1rem; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--f-sans);
  font-size: .76rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 1.25rem;
}
.eyebrow::before { content: ""; width: 6px; height: 6px; background: var(--accent); border-radius: 50%; flex: none; }

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
[data-reveal].is-visible { opacity: 1; transform: none; }
.reveal[data-split] { opacity: 1; transform: none; }

/* =============================================================
   4. Components — Buttons & links
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; gap: .65rem;
  font-family: var(--f-sans);
  font-size: .92rem; font-weight: 600; letter-spacing: 0.005em;
  padding: .95rem 1.9rem;
  border-radius: 999px;
  transition: transform 0.4s var(--ease-out), background 0.3s, color 0.3s, border-color 0.3s, box-shadow 0.4s var(--ease-out);
  white-space: nowrap;
}
.btn-arrow { display: inline-block; transition: transform 0.35s var(--ease-out); }
.btn:hover .btn-arrow { transform: translateX(4px); }

.btn-fill { background: var(--ink); color: var(--bg); }
.btn-fill:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -12px rgba(201,169,97,0.4); }
.btn-ghost { border: 1px solid var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--accent-line); background: var(--accent-dim); transform: translateY(-2px); }

.link-underline {
  position: relative;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 1.5px;
  transition: background-size 0.4s var(--ease-out);
  padding-bottom: 2px;
}
.link-underline:hover { background-size: 100% 1.5px; }

/* =============================================================
   5. Nav
   ============================================================= */
.nav {
  /* No backdrop-filter here: it would make .nav the containing block for the
     fixed-position .nav-mobile-panel (a nested descendant), breaking its
     viewport-relative sizing. Use a near-opaque solid background instead. */
  position: fixed; inset: 0 0 auto 0; z-index: 500;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(10,10,11,0.92);
  border-bottom: 1px solid var(--line-soft);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.brand { display: inline-flex; align-items: center; font-family: var(--f-display); font-weight: 700; font-size: 1.2rem; letter-spacing: -0.01em; }
.brand-v { color: var(--accent); }
.nav-links { display: none; align-items: center; gap: 2.2rem; font-size: .9rem; font-family: var(--f-sans); }
.nav-links a { color: var(--ink-soft); transition: color 0.25s; }
.nav-links a:hover { color: var(--ink); }
.nav-cta { display: none; }
.nav-mobile { display: block; }
.nav-mobile summary {
  list-style: none; cursor: pointer;
  width: 40px; height: 40px; display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: 10px;
}
.nav-mobile summary::-webkit-details-marker { display: none; }
.nav-mobile summary .bar,
.nav-mobile summary .bar::before,
.nav-mobile summary .bar::after {
  content: ""; display: block; width: 18px; height: 1.5px; background: var(--ink); position: relative; transition: transform .25s var(--ease-out), opacity .25s;
}
.nav-mobile summary .bar::before { position: absolute; top: -6px; }
.nav-mobile summary .bar::after { position: absolute; top: 6px; }
.nav-mobile[open] summary .bar { background: transparent; }
.nav-mobile[open] summary .bar::before { transform: translateY(6px) rotate(45deg); }
.nav-mobile[open] summary .bar::after { transform: translateY(-6px) rotate(-45deg); }
.nav-mobile-panel {
  position: fixed; inset: var(--nav-h) 0 0 0;
  background: var(--bg);
  padding: 2rem var(--gutter);
  display: flex; flex-direction: column; gap: 1.75rem;
  overflow-y: auto;
}
.nav-mobile-panel a { font-family: var(--f-display); font-size: 1.6rem; }
.nav-mobile-panel .btn { align-self: flex-start; margin-top: .5rem; }

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

/* =============================================================
   6. Hero
   ============================================================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  padding-top: calc(var(--nav-h) + 2rem);
  padding-bottom: 3rem;
  overflow: clip;
  text-align: center;
}
.hero-particles {
  position: absolute; inset: 0; z-index: 0;
  display: block; width: 100%; height: 100%;
  background: var(--bg);
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(ellipse 70% 60% at 50% 40%, transparent 45%, rgba(10,10,11,0.55) 100%);
}
.hero-inner { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; }

.hero-badge {
  display: inline-flex; align-items: center; gap: .65rem;
  padding: .6rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(243,241,234,0.03);
  font-size: .76rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 2.25rem;
}
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex: none; }

.hero-title {
  font-size: clamp(2.8rem, 7.8vw, 6rem);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.06;
  max-width: 15ch;
}
.hero-title em { font-weight: 400; letter-spacing: -0.01em; }

.hero-sub {
  font-family: var(--f-sans);
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--ink-soft);
  max-width: 44ch;
  margin-top: 1.75rem;
  line-height: 1.7;
}
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; margin-top: 2.75rem; }

.hero-stats {
  display: flex; flex-wrap: wrap; justify-content: center;
  margin-top: clamp(3.5rem, 8vw, 5.5rem);
  padding-top: 2.25rem;
  border-top: 1px solid var(--line);
}
.hero-stat {
  padding-inline: clamp(1.5rem, 4vw, 3rem);
  text-align: center;
}

.hero-scroll {
  display: none;
  position: absolute; right: var(--gutter); bottom: clamp(1.5rem, 4vh, 2.75rem);
  z-index: 1;
  align-items: center; gap: .6rem;
  font-size: .72rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-mute);
}
@media (min-width: 720px) {
  .hero-scroll { display: flex; }
}
.hero-scroll .arrow { display: inline-block; animation: scrollBob 1.8s var(--ease-soft) infinite; }
@keyframes scrollBob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(4px); }
}

.stat-num {
  font-family: var(--f-display);
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 700;
  color: var(--ink);
}
.stat-num .unit { color: var(--accent); }
.stat-label {
  font-size: .8rem; color: var(--ink-mute);
  margin-top: .35rem; max-width: 16ch;
  margin-inline: auto;
}

/* =============================================================
   7. Manifesto
   ============================================================= */
.manifesto { padding-block: var(--section-py); border-top: 1px solid var(--line); }
.manifesto-text {
  font-family: var(--f-display);
  font-size: clamp(1.4rem, 2.6vw, 2.15rem);
  font-weight: 400;
  line-height: 1.42;
  max-width: 28ch;
  color: var(--ink);
}
.manifesto-foot { margin-top: 2rem; color: var(--ink-mute); font-size: .95rem; max-width: 52ch; }

/* =============================================================
   8. Servicios
   ============================================================= */
.section-head { max-width: 46ch; margin-bottom: clamp(2.5rem, 6vw, 4rem); }
.section-title { font-size: clamp(2rem, 4.2vw, 3.1rem); font-weight: 700; letter-spacing: -0.01em; }

.servicios { padding-block: var(--section-py); border-top: 1px solid var(--line); }
.service-row {
  display: grid; grid-template-columns: 1fr; gap: 1rem;
  padding-block: 2.25rem;
  border-top: 1px solid var(--line);
  transition: background 0.3s;
}
.service-row:last-child { border-bottom: 1px solid var(--line); }
.service-head { display: flex; align-items: baseline; gap: 1.25rem; }
.service-num { font-family: var(--f-display); color: var(--accent); font-size: 1rem; font-weight: 700; }
.service-name { font-size: clamp(1.4rem, 2.6vw, 1.9rem); }
.service-brief { color: var(--ink-soft); font-size: 1rem; }
.service-body { color: var(--ink-mute); font-size: .95rem; max-width: 58ch; line-height: 1.7; }

@media (min-width: 720px) {
  .service-row { grid-template-columns: 2fr 3fr; align-items: start; gap: 2.5rem; }
}

/* =============================================================
   9. Proceso
   ============================================================= */
.proceso { padding-block: var(--section-py); border-top: 1px solid var(--line); }
.proceso-grid { display: grid; gap: 2.5rem; grid-template-columns: 1fr; }
.proceso-step { border-left: 1px solid var(--line); padding-left: 1.5rem; }
@media (min-width: 720px) {
  .proceso-step:nth-child(2) { transition-delay: .12s; }
  .proceso-step:nth-child(3) { transition-delay: .24s; }
}
.proceso-num { font-family: var(--f-display); color: var(--accent); font-size: 1.6rem; font-weight: 700; }
.proceso-name { font-size: 1.25rem; margin-top: .6rem; }
.proceso-body { color: var(--ink-mute); font-size: .95rem; margin-top: .6rem; line-height: 1.7; }

@media (min-width: 720px) {
  .proceso-grid { grid-template-columns: repeat(3, 1fr); }
}

/* =============================================================
   10. Portfolio
   ============================================================= */
.portfolio { padding-block: var(--section-py); border-top: 1px solid var(--line); }
.proyecto {
  border-top: 1px solid var(--line);
  padding-top: 1.75rem;
}
.proyecto:last-child { border-bottom: 1px solid var(--line); }
.proyecto-row { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.proyecto-name { font-size: clamp(1.5rem, 3.4vw, 2.4rem); }
.proyecto-year { font-family: var(--f-display); color: var(--ink-mute); font-size: .95rem; }
.proyecto-role { color: var(--accent); font-size: .9rem; margin-top: .35rem; letter-spacing: 0.02em; }
.proyecto-brief { color: var(--ink-soft); max-width: 60ch; margin-top: .5rem; font-size: .98rem; }
.proyecto-detail { padding-top: 1.75rem; padding-bottom: 2.25rem; display: grid; gap: 2rem; }
.proyecto-detail-text { color: var(--ink-mute); max-width: 60ch; line-height: 1.75; }
.proyecto-link { margin-top: 1rem; display: inline-flex; align-items: center; gap: .4rem; color: var(--accent); font-family: var(--f-sans); font-weight: 600; }

.mockup {
  border-radius: 14px; overflow: hidden; border: 1px solid var(--line);
  background: var(--bg-card);
  max-width: 560px;
}
.mockup-bar { display: flex; align-items: center; gap: .5rem; padding: .7rem .9rem; background: #0d0d0e; border-bottom: 1px solid var(--line); }
.mockup-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--line); }
.mockup-url {
  flex: 1; margin-left: .5rem; font-size: .72rem; color: var(--ink-mute);
  background: #08090b; border-radius: 999px; padding: .3rem .8rem;
  font-family: var(--f-sans);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.mockup-screen {
  aspect-ratio: 16 / 10;
  display: flex; flex-direction: column; justify-content: center; align-items: flex-start;
  gap: 1.1rem; padding: 2rem;
  background:
    radial-gradient(60% 90% at 15% 15%, rgba(200,131,46,0.22), transparent 60%),
    linear-gradient(160deg, #161310 0%, #0f0d0a 100%);
}
.mockup-kicker {
  display: flex; align-items: center; gap: .6rem;
  font-size: .58rem; letter-spacing: .16em; text-transform: uppercase; color: #c8832e; font-family: var(--f-sans);
}
.mockup-rule { width: 22px; height: 1px; background: rgba(242,237,228,0.35); flex: none; }
.mockup-title {
  font-family: "Fraunces", Georgia, serif; font-weight: 900;
  font-size: clamp(1.7rem, 5.4vw, 2.7rem); line-height: 0.94;
  color: #f2ede4;
}
.mockup-title em { font-style: italic; font-weight: 700; color: #c8832e; }
.mockup-btns { display: flex; gap: .55rem; margin-top: .3rem; }
.mockup-btn {
  font-family: var(--f-sans); font-size: .58rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  padding: .5rem .9rem; border-radius: 3px;
}
.mockup-btn-fill { background: #c8832e; color: #161310; }
.mockup-btn-ghost { border: 1px solid rgba(242,237,228,0.3); color: #f2ede4; }
.mockup-caption { font-size: .78rem; color: var(--ink-mute); margin-top: .75rem; max-width: 40ch; }

.proyecto-empty {
  border: 1px dashed var(--line); border-radius: 14px;
  padding: 2rem; color: var(--ink-mute); font-size: .95rem;
  max-width: 560px;
}

@media (min-width: 960px) {
  .proyecto-detail { grid-template-columns: 1.1fr 1fr; align-items: start; }
}

/* =============================================================
   10.5 FAQ
   ============================================================= */
.faq { padding-block: var(--section-py); border-top: 1px solid var(--line); }
.faq-list { max-width: 780px; }
.faq-item { border-top: 1px solid var(--line); }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-item > summary {
  list-style: none; cursor: pointer; position: relative;
  padding-block: 1.5rem; padding-right: 3rem;
  font-family: var(--f-display); font-weight: 700; font-size: 1.05rem;
}
.faq-item > summary::-webkit-details-marker { display: none; }
.faq-toggle {
  position: absolute; right: 0; top: 1.4rem;
  width: 30px; height: 30px; border: 1px solid var(--line); border-radius: 50%;
  display: grid; place-items: center; flex: none;
}
.faq-toggle::before, .faq-toggle::after {
  content: ""; position: absolute; background: var(--ink); transition: transform .3s var(--ease-out);
}
.faq-toggle::before { width: 11px; height: 1px; }
.faq-toggle::after { width: 1px; height: 11px; }
.faq-item[open] .faq-toggle::after { transform: rotate(90deg); opacity: 0; }
.faq-answer { color: var(--ink-mute); padding-bottom: 1.75rem; max-width: 65ch; line-height: 1.75; }

/* =============================================================
   11. Contacto
   ============================================================= */
.contacto { padding-block: var(--section-py); border-top: 1px solid var(--line); }

.contacto-cards { display: grid; gap: 1.1rem; grid-template-columns: 1fr; margin-top: clamp(2rem, 5vw, 2.75rem); }
.contacto-card {
  display: flex; align-items: center; gap: 1.25rem;
  padding: 1.6rem 1.75rem;
  border: 1px solid var(--line); border-radius: 16px;
  background: var(--bg-card);
  transition: transform .4s var(--ease-out), border-color .3s, background .3s;
}
.contacto-card:hover { transform: translateY(-3px); border-color: var(--accent-line); background: var(--bg-elevated); }
.contacto-card-icon {
  width: 46px; height: 46px; flex: none;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent);
}
.contacto-card-icon svg { width: 21px; height: 21px; }
.contacto-card-text { display: flex; flex-direction: column; gap: .3rem; flex: 1; min-width: 0; }
.contacto-card-label { font-family: var(--f-display); font-weight: 700; font-size: 1.2rem; color: var(--ink); }
.contacto-card-value { font-size: .88rem; color: var(--ink-mute); }
.contacto-card-arrow { font-size: 1.2rem; color: var(--accent); transition: transform .4s var(--ease-out); flex: none; }
.contacto-card:hover .contacto-card-arrow { transform: translateX(5px); }

@media (min-width: 720px) {
  .contacto-cards { grid-template-columns: 1fr 1fr; }
}

/* =============================================================
   12. Footer
   ============================================================= */
.footer { padding-block: clamp(3rem, 8vw, 5rem); border-top: 1px solid var(--line); }
.footer-top { display: flex; flex-wrap: wrap; gap: 2rem; justify-content: space-between; align-items: flex-start; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.5rem; font-size: .9rem; color: var(--ink-soft); }
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
  margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line-soft);
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
  font-size: .8rem; color: var(--ink-mute);
}

/* =============================================================
   13. Sections shared spacing
   ============================================================= */
section > .container { position: relative; }

/* =============================================================
   14. Reduced motion — only genuinely intrusive effects
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { transition-duration: 0.2s; }
}

/* =============================================================
   15. Legal pages
   ============================================================= */
.legal-header { padding: calc(var(--nav-h) + 5rem) 0 3.5rem; border-bottom: 1px solid var(--line); }
.legal-title { font-size: clamp(2.2rem, 5vw, 3.6rem); }
.legal-body { max-width: 720px; margin-inline: auto; padding-block: clamp(3rem, 8vw, 5rem); }
.legal-section { padding-block: 2.5rem; border-bottom: 1px solid var(--line); }
.legal-section:last-child { border-bottom: none; }
.legal-num { font-family: var(--f-display); font-size: .75rem; letter-spacing: .15em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; }
.legal-section h2 { font-size: clamp(1.2rem, 2vw, 1.6rem); margin-bottom: 1.1rem; }
.legal-section p { font-size: .92rem; color: var(--ink-soft); line-height: 1.85; margin-bottom: 1rem; }
.legal-section p:last-child { margin-bottom: 0; }
.datos-list { display: flex; flex-direction: column; gap: .6rem; margin-block: 1.25rem; padding: 1.5rem 1.75rem; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-card); }
.datos-list li { font-size: .88rem; color: var(--ink-soft); display: flex; gap: .75rem; flex-wrap: wrap; }
.datos-list li strong { color: var(--ink); font-weight: 600; min-width: 180px; flex-shrink: 0; }
.placeholder { color: var(--accent); font-style: italic; font-family: var(--f-serif); }