/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg:        #ffffff;
  --paper:     #f7f6f4;
  --ink:       #141414;
  --ink-soft:  #2b2b2b;
  --ink-mute:  #6b6b6b;
  --accent:    #5C8578;
  --accent-dark: #46695e;
  --line:      rgba(20, 20, 20, 0.12);
  --line-strong: rgba(20, 20, 20, 0.85);

  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --display: "Archivo", var(--sans);
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);      /* entradas/salidas: fuerte, arranca rápido */
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);  /* movimiento en pantalla (A a B) */

  --nav-h: 96px;
  --container: 1240px;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
  overflow-x: clip;
  scroll-padding-top: var(--nav-h);
}
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-soft);
  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: 1.05; letter-spacing: -0.01em; font-family: var(--display); color: var(--ink); }
ul { list-style: none; padding: 0; }
::selection { background: var(--accent); color: #fff; }

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

/* =============================================================
   3. Utilities
   ============================================================= */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.5rem;
}
.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(--ink); color: #fff;
  z-index: 9999; border-radius: 4px; font-weight: 500;
  transition: top .2s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

.kicker {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 1rem;
}

/* Reveal — fade + slide sutil */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================================
   4. Buttons
   ============================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background .16s var(--ease-out), color .16s var(--ease-out), border-color .16s var(--ease-out), transform .16s var(--ease-out);
}
.btn-ghost {
  border-color: var(--line-strong);
  color: var(--ink);
}
.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn:active { transform: scale(0.97); }
@media (hover: hover) and (pointer: fine) {
  .btn-ghost:hover { border-color: var(--accent); color: var(--accent-dark); }
  .btn-accent:hover { background: var(--accent-dark); }
}

/* =============================================================
   5. Nav — pastillas flotantes
   ============================================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding-top: 1rem;
}
.nav-pill-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.nav-logo-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding-inline: 1rem;
  flex-shrink: 0;
  border-radius: 999px;
  background: rgba(255,255,255,0.95);
  border: 1px solid rgba(20,20,20,0.06);
  box-shadow: 0 2px 12px rgba(20,20,20,0.08);
  transition: box-shadow .3s var(--ease-out);
}
.nav-logo-pill img { height: 22px; width: auto; }

.nav-pill {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 48px;
  padding-inline: 1.5rem 0.5rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.95);
  border: 1px solid rgba(20,20,20,0.06);
  box-shadow: 0 2px 12px rgba(20,20,20,0.08);
  transition: box-shadow .3s var(--ease-out);
}
.nav.is-scrolled .nav-logo-pill,
.nav.is-scrolled .nav-pill { box-shadow: 0 4px 18px rgba(20,20,20,0.14); }

.nav-links {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1.75rem;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  padding-block: 0.3rem;
}
.nav-links a::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .nav-links a:hover::after { transform: scaleX(1); }
}

.nav-actions { display: flex; align-items: center; gap: 0.5rem; }
.nav-whatsapp, .nav-mail { display: none; padding: 0.55rem 1.1rem; font-size: 0.85rem; }

.nav-toggle {
  display: flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px;
}
.nav-toggle span {
  display: block; width: 20px; height: 2px; background: var(--ink);
  transition: transform .25s var(--ease-out), opacity .25s var(--ease-out);
  margin-inline: auto;
}
.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); }

@media (max-width: 959px) {
  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    position: fixed;
    inset: var(--nav-h) 1rem auto 1rem;
    background: var(--bg);
    border-radius: 20px;
    padding: 1.75rem 1.5rem;
    gap: 1.25rem;
    max-height: calc(100svh - var(--nav-h) - 1.5rem);
    overflow-y: auto;
    box-shadow: 0 16px 40px rgba(20,20,20,0.18);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity .2s var(--ease-out), transform .2s var(--ease-out), visibility 0s linear .2s;
  }
  .nav-links.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition: opacity .2s var(--ease-out), transform .2s var(--ease-out), visibility 0s linear 0s;
  }
  .nav-links a { font-size: 1.15rem; }
}

/* =============================================================
   6. Hero — pantalla completa con foto de fondo
   ============================================================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img, .hero-bg video { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top,
    rgba(15,15,14,0.88) 0%,
    rgba(15,15,14,0.55) 35%,
    rgba(15,15,14,0.15) 65%,
    rgba(15,15,14,0) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-block: 7rem 3.5rem;
  max-width: 640px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: #fff;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.35);
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  margin-bottom: 1.4rem;
  backdrop-filter: blur(4px);
  transition: background .18s var(--ease-out), border-color .18s var(--ease-out), transform .16s var(--ease-out);
}
.hero-badge .arrow { display: inline-block; transition: transform .18s var(--ease-out); }
.hero-badge:active { transform: scale(0.97); }
@media (hover: hover) and (pointer: fine) {
  .hero-badge:hover { background: rgba(255,255,255,0.2); border-color: rgba(255,255,255,0.6); }
  .hero-badge:hover .arrow { transform: translateX(3px); }
}

.hero-title {
  font-size: clamp(2.2rem, 5.6vw, 3.8rem);
  font-weight: 700;
  color: #fff;
  max-width: 20ch;
}
.hero-sub {
  margin-top: 1.25rem;
  max-width: 40ch;
  font-size: 1rem;
  color: rgba(255,255,255,0.8);
}
.hero-ctas {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.btn-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.55);
  border-radius: 999px;
  padding: 0.8rem 1.4rem;
  transition: background .18s var(--ease-out), color .18s var(--ease-out), border-color .18s var(--ease-out), transform .16s var(--ease-out);
}
.btn-pill .arrow { display: inline-block; transition: transform .18s var(--ease-out); }
.btn-pill:active { transform: scale(0.97); }
@media (hover: hover) and (pointer: fine) {
  .btn-pill:hover { background: rgba(255,255,255,0.14); border-color: #fff; }
  .btn-pill:hover .arrow { transform: translateX(3px); }
}

.btn-pill-fill { background: var(--accent); border-color: var(--accent); }
@media (hover: hover) and (pointer: fine) {
  .btn-pill-fill:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
}

/* =============================================================
   7. Sections (generic)
   ============================================================= */
.section { padding-block: 5.5rem; border-top: 1px solid var(--line); }
.section-alt { background: var(--paper); }
.section-head { max-width: 62ch; }
.section-title { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
.section-sub { margin-top: 0.9rem; color: var(--ink-mute); max-width: 56ch; }

/* --- Sobre SUMAN --- */
.about-grid {
  margin-top: 2.5rem;
  display: grid;
  gap: 2rem;
}
.about-text p { max-width: 58ch; }
.about-text p + p { margin-top: 1.2rem; }
.about-media {
  border: 1px solid var(--line);
  background: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-media img { aspect-ratio: 4 / 3; object-fit: contain; width: 100%; height: auto; }

.timeline {
  margin-top: 3.5rem;
  display: grid;
  gap: 2rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--line);
}
.timeline-kicker {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 0.6rem;
}
.timeline-text { color: var(--ink-mute); max-width: 32ch; }

/* --- Statement: pantalla completa, foto + frase --- */
.statement {
  position: relative;
  min-height: 62vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.statement-bg { position: absolute; inset: 0; z-index: 0; }
.statement-bg img { width: 100%; height: 100%; object-fit: cover; }
.statement-overlay { position: absolute; inset: 0; background: rgba(15,15,14,0.6); }
.statement-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding-block: 5rem;
  max-width: 46rem;
}
.statement-kicker {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
  margin-bottom: 1.25rem;
}
.statement-title {
  color: #fff;
  font-size: clamp(1.7rem, 4.4vw, 3rem);
  line-height: 1.2;
}

/* --- Servicios: lista vertical numerada --- */
.service-list { margin-top: 2.5rem; }
.service-row {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1.5rem;
  padding-block: 2rem;
  border-top: 1px solid var(--line);
  transition: transform .25s var(--ease-out);
}
.service-row:last-child { border-bottom: 1px solid var(--line); }
@media (hover: hover) and (pointer: fine) {
  .service-row:hover { transform: translateX(8px); }
}
.service-num {
  font-family: var(--mono);
  font-size: 1.1rem;
  color: var(--accent-dark);
}
.service-body h3 { font-size: 1.25rem; margin-bottom: 0.6rem; }
.service-body p { color: var(--ink-mute); max-width: 60ch; }

/* --- Trabajos: galería pantalla completa --- */
.gallery-full {
  position: relative;
  min-height: 90vh;
  overflow: hidden;
}
.gallery-full-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  background: var(--ink);
}
.gallery-full-grid img, .gallery-full-grid video {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
@media (min-width: 720px) {
  .gallery-full-grid { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; height: 90vh; }
  .gallery-full-grid img, .gallery-full-grid video { width: 100%; height: 100%; aspect-ratio: auto; object-fit: cover; min-height: 0; min-width: 0; }
}
.gallery-full-grid img:nth-child(2) { transition-delay: 60ms; }
.gallery-full-grid img:nth-child(3) { transition-delay: 120ms; }
.gallery-full-grid img:nth-child(4) { transition-delay: 180ms; }

/* --- Por qué elegirnos --- */
.why-list-wide {
  margin-top: 2.5rem;
  max-width: 720px;
}
.why-list li {
  padding-block: 1.1rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  max-width: 42ch;
}
.why-list li:last-child { border-bottom: 1px solid var(--line); }

/* --- CTA: franja pantalla completa antes de Contacto --- */
.cta-band {
  position: relative;
  background: var(--ink);
  padding-block: 10rem 8rem;
  text-align: center;
  overflow: hidden;
}
.cta-band-content { max-width: 640px; margin-inline: auto; }
.cta-band .kicker { color: rgba(255,255,255,0.6); }
.cta-band-title {
  color: #fff;
  font-size: clamp(1.9rem, 4.6vw, 3.2rem);
}
.cta-band-sub {
  margin-top: 1.1rem;
  color: rgba(255,255,255,0.72);
  max-width: 48ch;
  margin-inline: auto;
}
.cta-band-ctas { justify-content: center; margin-top: 2rem; }

/* --- Contacto --- */
.contact-layout {
  margin-top: 2.5rem;
  display: grid;
  gap: 2.5rem;
}
.contact-details { display: flex; flex-direction: column; gap: 1.75rem; justify-content: space-between; }
.contact-info-block { padding-top: 1.25rem; border-top: 1px solid var(--line); }
.contact-label {
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-mute);
  margin-bottom: 0.4rem;
}
.contact-info-block a { font-size: 1.1rem; font-weight: 500; color: var(--ink); }
.contact-info-block a:hover { color: var(--accent-dark); }
.contact-info-block p { font-size: 0.98rem; }

.map-embed {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: var(--paper);
  transition: border-color .2s var(--ease-out);
  align-self: start;
}
.map-embed:hover { border-color: var(--accent); }
.map-embed img { aspect-ratio: 4 / 3; object-fit: contain; width: 100%; height: auto; }

/* =============================================================
   8. Footer
   ============================================================= */
.footer { border-top: 1px solid var(--line); padding-block: 3rem 1.5rem; }
.footer-grid {
  display: grid;
  gap: 2rem;
}
.footer-logo img { height: 30px; width: auto; opacity: 0.85; }
.footer-links { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-links a { font-size: 0.92rem; color: var(--ink-mute); }
.footer-links a:hover { color: var(--accent-dark); }
.footer-contact { display: flex; flex-direction: column; gap: 0.6rem; font-size: 0.92rem; color: var(--ink-mute); }
.footer-contact a:hover { color: var(--accent-dark); }
.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--ink-mute);
}

/* =============================================================
   9. WhatsApp flotante
   ============================================================= */
.whatsapp-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(20,20,20,0.25);
  z-index: 200;
  transition: transform .18s var(--ease-out);
}
.whatsapp-float:active { transform: scale(0.94); }
@media (hover: hover) and (pointer: fine) {
  .whatsapp-float:hover { transform: scale(1.08); }
}
.whatsapp-float svg { width: 28px; height: 28px; fill: #fff; }

/* =============================================================
   10. Responsive (mobile-first breakpoints)
   ============================================================= */
@media (min-width: 720px) {
  .timeline { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: auto 1fr auto; align-items: start; }
}

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

  .about-grid { grid-template-columns: 1fr 0.85fr; align-items: stretch; }
  .about-media { height: 100%; }
  .about-media img { height: 100%; aspect-ratio: auto; min-height: 0; }
  .service-row { grid-template-columns: 5rem 1fr; }
  .contact-layout { grid-template-columns: 0.9fr 1fr; align-items: stretch; }
  .map-embed { height: 100%; align-self: auto; }
  .map-embed img { height: 100%; aspect-ratio: auto; min-height: 0; }
}

@media (min-width: 1280px) {
  .hero-title { font-size: clamp(2.8rem, 4.2vw, 4.6rem); }
}

/* =============================================================
   11. Reduced motion — solo lo intrusivo
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  .whatsapp-float:hover, .whatsapp-float:active { transform: none; }
  .hero-badge:hover, .btn-pill:hover, .btn:active, .hero-badge:active, .btn-pill:active { transform: none; }
  .service-row:hover { transform: none; }
  /* Reveal: mantener opacidad, sacar el desplazamiento */
  [data-reveal] { transform: none; transition: opacity .3s ease; }
  [data-reveal].is-visible { transform: none; }
  /* Menú móvil: mantener el fade, sacar el desplazamiento */
  .nav-links, .nav-links.is-open { transform: none; }
}