/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg: #0a0d13;
  --bg-2: #0f131b;
  --bg-3: #161c27;
  --bg-4: #1f2733;
  --ink: #eef2f8;
  --ink-2: #b3bdcc;
  --ink-3: #78849a;
  --blue: #3fb6ff;
  --blue-2: #1e86c9;
  --orange: #ffab3f;
  --orange-2: #e8871e;
  --line: rgba(238, 242, 248, 0.1);
  --line-strong: rgba(238, 242, 248, 0.2);

  --serif: "Space Grotesk", "Inter", sans-serif;
  --sans: "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", "IBM Plex Mono", monospace;

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

  --container: 1180px;
  --radius: 14px;
  --nav-h: 76px;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; tab-size: 2; scroll-behavior: smooth; }
html.no-scroll, html.no-scroll body { overflow: hidden; }
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
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: -0.02em; font-family: var(--serif); font-weight: 600; }
ul { list-style: none; padding: 0; }
::selection { background: var(--blue); color: var(--bg); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 9999;
  padding: 0.7rem 1.1rem; background: var(--ink); color: var(--bg);
  border-radius: 8px; font-weight: 600; transition: top 0.3s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

.scroll-progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 600; background: rgba(238,242,248,0.06); pointer-events: none; }
.scroll-progress span {
  display: block; height: 100%; width: 100%; transform-origin: 0 50%; transform: scaleX(0);
  background: linear-gradient(90deg, var(--blue), var(--orange));
}

/* =============================================================
   3. Utilities
   ============================================================= */
.container { max-width: var(--container); margin-inline: auto; padding-inline: 1.25rem; }
.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;
}
.section { padding-block: clamp(4rem, 9vw, 8rem); position: relative; }
.section-inner { max-width: var(--container); margin-inline: auto; padding-inline: 1.25rem; }
.section-head { max-width: 640px; margin-bottom: clamp(2.5rem, 6vw, 4rem); }
.section-head.center { max-width: 640px; margin-inline: auto; text-align: center; }
.kicker {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--orange); margin-bottom: 0.9rem;
}
.kicker .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.section-head h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); }
.section-head p { color: var(--ink-2); margin-top: 0.9rem; font-size: 1.05rem; max-width: 52ch; }
.text-mono { font-family: var(--mono); }
.text-muted { color: var(--ink-2); }
.accent-blue { color: var(--blue); }
.accent-orange { color: var(--orange); }

[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out); }
[data-reveal].is-revealed { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { [data-reveal] { opacity: 1; transform: none; transition: none; } }

/* =============================================================
   4. Buttons
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem;
  padding: 0.95rem 1.6rem; border-radius: 999px; font-weight: 600; font-size: 0.95rem;
  box-shadow: 0 4px 14px rgba(0,0,0,0.3), 0 1px 3px rgba(0,0,0,0.2);
  transition: transform 0.45s var(--ease-soft), box-shadow 0.45s var(--ease-soft), background 0.3s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-3px); }
.btn:active { transform: translateY(-1px); transition-duration: 0.12s; }
.btn svg { width: 1.15em; height: 1.15em; flex-shrink: 0; }
.btn-primary { background: linear-gradient(135deg, var(--blue), var(--blue-2)); color: #06111a; }
.btn-orange { background: linear-gradient(135deg, var(--orange), var(--orange-2)); color: #1a1206; }
.btn-outline { border: 1.5px solid var(--line-strong); color: var(--ink); }
.btn-outline:hover { border-color: var(--blue); }

.social-link {
  display: inline-flex; align-items: center; gap: 0.55rem;
  padding: 0.7rem 1.1rem; border-radius: 999px; border: 1.5px solid var(--line-strong);
  font-size: 0.9rem; font-weight: 600; transition: border-color 0.3s, color 0.3s, transform 0.3s;
}
.social-link svg { width: 1.1em; height: 1.1em; }
.social-link:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); }

/* =============================================================
   5. Nav
   ============================================================= */
.site-nav {
  position: fixed; inset-inline: 0; top: 0; z-index: 500; height: var(--nav-h);
  display: flex; align-items: center; transition: background 0.35s var(--ease-out), border-color 0.35s;
  border-bottom: 1px solid transparent;
}
.site-nav.is-solid { background: rgba(10, 13, 19, 0.86); backdrop-filter: blur(14px); border-color: var(--line); }
.nav-inner { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 1.25rem; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.brand { display: flex; align-items: center; gap: 0.65rem; font-family: var(--serif); font-weight: 700; font-size: 1.05rem; letter-spacing: -0.01em; }
.brand img { width: 40px; height: 40px; border-radius: 9px; object-fit: cover; }
.nav-menu { display: flex; align-items: center; gap: 1.9rem; font-size: 0.92rem; font-weight: 500; color: var(--ink-2); }
.nav-menu a:hover { color: var(--ink); }
.nav-actions { display: flex; align-items: center; gap: 0.8rem; }
.nav-toggle { display: none; width: 40px; height: 40px; place-items: center; }
.nav-toggle span, .nav-toggle::before, .nav-toggle::after { content: ""; display: block; width: 20px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform 0.3s, opacity 0.3s; }
.nav-toggle::before { transform: translateY(-6px); }
.nav-toggle::after { transform: translateY(6px); }
.nav-toggle[aria-expanded="true"] span { opacity: 0; }
.nav-toggle[aria-expanded="true"]::before { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"]::after { transform: rotate(-45deg); }

.nav-mobile {
  position: fixed; inset: var(--nav-h) 0 0 0; z-index: 490; background: var(--bg);
  display: flex; flex-direction: column; padding: 2rem 1.25rem; gap: 1.4rem;
  font-size: 1.1rem; font-weight: 600;
  transform: translateY(-8px); opacity: 0; pointer-events: none; transition: opacity 0.3s, transform 0.3s;
}
.nav-mobile.is-open { opacity: 1; transform: none; pointer-events: auto; }
.nav-mobile .nav-actions { flex-direction: column; align-items: stretch; margin-top: 0.6rem; }
@media (min-width: 901px) { .nav-mobile { display: none; } }
@media (max-width: 900px) {
  .nav-menu { display: none; }
  .nav-toggle { display: grid; }
  .site-nav .nav-actions .btn { display: none; }
}

/* =============================================================
   6. Hero
   ============================================================= */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  padding-top: var(--nav-h); overflow: hidden; isolation: isolate;
}
.hero-bg { position: absolute; inset: 0; z-index: -3; overflow: hidden; }
.hero-bg img {
  position: absolute; left: 0; top: -18%; width: 100%; height: 136%;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.05) brightness(0.6);
}
.hero-bg-tint {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(10,13,19,0.55) 0%, rgba(10,13,19,0.8) 58%, rgba(10,13,19,0.97) 100%),
    linear-gradient(100deg, rgba(10,13,19,0.75) 0%, rgba(10,13,19,0.35) 46%, rgba(10,13,19,0.55) 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(ellipse 70% 55% at 78% 15%, rgba(63,182,255,0.22), transparent 60%),
    radial-gradient(ellipse 60% 50% at 15% 85%, rgba(255,171,63,0.16), transparent 60%);
  mix-blend-mode: screen;
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: 0.4;
  background-image: repeating-linear-gradient(90deg, rgba(238,242,248,0.035) 0 1px, transparent 1px 64px);
}
.hero-grid {
  position: relative; z-index: 1; max-width: var(--container); margin-inline: auto;
  padding: clamp(3rem, 8vw, 5rem) 1.25rem;
}
.hero-grid > div { max-width: 640px; }
.hero-title { font-size: clamp(2.4rem, 5.4vw, 4rem); }
.hero-title .accent-blue { background: linear-gradient(120deg, var(--blue), var(--orange)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-desc { margin-top: 1.2rem; font-size: 1.1rem; color: var(--ink-2); max-width: 46ch; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2rem; }
.hero-chips { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 2.2rem; }
.hero-chip {
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.04em; color: var(--ink-2);
  border: 1px solid var(--line-strong); border-radius: 999px; padding: 0.45rem 0.9rem;
  background: rgba(10,13,19,0.45); backdrop-filter: blur(4px);
}
.hero-chip strong { color: var(--blue); font-weight: 700; }
.hero-badge {
  position: absolute; right: 1.25rem; bottom: 1.5rem; z-index: 2;
  display: flex; align-items: center; gap: 0.8rem; padding: 0.6rem 1.15rem 0.6rem 0.6rem;
  background: rgba(10,13,19,0.72); border: 1px solid var(--line-strong); border-radius: 999px;
  backdrop-filter: blur(10px);
}
.hero-badge img { width: 42px; height: 42px; border-radius: 10px; object-fit: cover; flex-shrink: 0; }
.hero-badge span { display: flex; flex-direction: column; font-size: 0.76rem; color: var(--ink-3); line-height: 1.35; }
.hero-badge strong { font-family: var(--serif); font-size: 0.95rem; color: var(--ink); font-weight: 600; }
@media (max-width: 900px) {
  .hero-badge { display: none; }
}

/* =============================================================
   6b. Card tilt + halo (shared — stage-card, list-card, process-step)
   Applied via JS (has-tilt/has-halo), only on fine-pointer devices.
   ============================================================= */
.stage-card, .list-card, .process-step {
  position: relative; isolation: isolate;
  --rx: 0deg; --ry: 0deg; --mx: 50%; --my: 50%;
  transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry));
  transform-style: preserve-3d;
}
.has-tilt { transition: transform 0.55s var(--ease-soft), border-color 0.4s, background 0.4s; }
.has-tilt:hover { transition-duration: 0.15s; }
.has-halo::before {
  content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit;
  background: radial-gradient(220px circle at var(--mx) var(--my), rgba(63,182,255,0.16), transparent 62%);
  opacity: 0; transition: opacity 0.35s;
}
.has-halo:hover::before { opacity: 1; }

/* =============================================================
   7. Servicios
   ============================================================= */
.stage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-bottom: 2.4rem; }
.stage-card {
  padding: 1.8rem; border-radius: var(--radius); background: var(--bg-2); border: 1px solid var(--line);
  transition: border-color 0.35s, transform 0.35s;
}
.stage-card:hover { border-color: rgba(63,182,255,0.4); }
.stage-num { font-family: var(--mono); font-size: 0.78rem; color: var(--orange); letter-spacing: 0.1em; }
.stage-card h3 { font-size: 1.35rem; margin-top: 0.5rem; }
.stage-card p { color: var(--ink-2); margin-top: 0.5rem; font-size: 0.95rem; }
@media (max-width: 760px) { .stage-grid { grid-template-columns: 1fr; } }

.repro-lists { display: grid; grid-template-columns: 1.4fr 1fr; gap: 1.2rem; }
.list-card { padding: 1.8rem 2rem; border-radius: var(--radius); background: var(--bg-2); border: 1px solid var(--line); }
.list-card h3 {
  font-family: var(--mono); font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink); margin-bottom: 1.1rem; display: flex; align-items: center; gap: 0.55rem;
}
.list-card h3::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: var(--blue); transform: rotate(45deg); flex-shrink: 0; }
.tag-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.55rem 1rem; }
.tag-grid li { font-size: 0.95rem; color: var(--ink-2); display: flex; align-items: center; gap: 0.5rem; }
.tag-grid li::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--ink-3); flex-shrink: 0; }
@media (max-width: 760px) { .repro-lists { grid-template-columns: 1fr; } .tag-grid { grid-template-columns: 1fr 1fr; } }

/* =============================================================
   8. Galería de trabajos
   ============================================================= */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.gallery-item { position: relative; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); aspect-ratio: 4/5; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease-out); }
.gallery-item:hover img { transform: scale(1.06); }
.gallery-caption {
  position: absolute; inset-inline: 0; bottom: 0; padding: 1.1rem 1.1rem 0.95rem;
  background: linear-gradient(0deg, rgba(6,9,14,0.92), transparent);
  font-size: 0.88rem; font-weight: 600; color: var(--ink);
}
.gallery-caption span { display: block; font-family: var(--mono); font-weight: 400; font-size: 0.72rem; color: var(--blue); margin-bottom: 0.25rem; letter-spacing: 0.04em; }
@media (max-width: 900px) { .gallery-grid { grid-template-columns: 1fr; } .gallery-item { aspect-ratio: 4/3; } }

/* =============================================================
   9. Proceso
   ============================================================= */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; counter-reset: step; }
.process-step { padding: 1.6rem 1.4rem; border-radius: var(--radius); background: var(--bg-2); border: 1px solid var(--line); position: relative; }
.process-step .step-num {
  font-family: var(--serif); font-weight: 700; font-size: 1.6rem;
  background: linear-gradient(120deg, var(--blue), var(--orange)); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.process-step h3 { font-size: 1.05rem; margin-top: 0.6rem; }
.process-step p { color: var(--ink-2); font-size: 0.9rem; margin-top: 0.4rem; }
@media (max-width: 900px) { .process-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .process-grid { grid-template-columns: 1fr; } }

/* =============================================================
   10. Contacto
   ============================================================= */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 4vw, 3rem); }
.contact-card { padding: clamp(1.8rem, 3vw, 2.4rem); border-radius: var(--radius); background: var(--bg-2); border: 1px solid var(--line); }
.contact-card h3 { font-size: 1.3rem; margin-bottom: 1.1rem; }
.contact-row { display: flex; align-items: flex-start; gap: 0.8rem; padding-block: 0.7rem; border-top: 1px solid var(--line); }
.contact-row:first-of-type { border-top: none; }
.contact-row .label { font-family: var(--mono); font-size: 0.72rem; color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.08em; min-width: 90px; padding-top: 0.15rem; }
.contact-row a, .contact-row span.value { color: var(--ink); font-weight: 500; }
.contact-row a:hover { color: var(--blue); }
.social-row { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.3rem; }
.map-frame { width: 100%; height: 100%; min-height: 280px; border: 0; border-radius: var(--radius); filter: grayscale(0.3) invert(0.92) contrast(0.9); }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

/* =============================================================
   11. Footer
   ============================================================= */
.site-footer { border-top: 1px solid var(--line); padding-block: 2.6rem; background: var(--bg-2); }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.2rem; max-width: var(--container); margin-inline: auto; padding-inline: 1.25rem; }
.footer-brand { display: flex; align-items: center; gap: 0.6rem; font-family: var(--serif); font-weight: 700; }
.footer-brand img { width: 30px; height: 30px; border-radius: 7px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 1.3rem; font-size: 0.9rem; color: var(--ink-2); }
.footer-nav a:hover { color: var(--ink); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.8rem; max-width: var(--container); margin: 1.6rem auto 0; padding-inline: 1.25rem; font-size: 0.82rem; color: var(--ink-3); }
.back-to-top:hover { color: var(--blue); }