/* ============================================
   LATORRE ARQUITECTURA — STYLES
   Compartido por todas las páginas del sitio
   ============================================ */

/* RESET & BASE */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-bg: #FFFFFF;
  --color-bg-soft: #FAFAF7;
  --color-bg-muted: #F4F2EE;
  --color-line: #E5E2DD;
  --color-text: #1A1A1A;
  --color-text-soft: #555555;
  --color-text-mute: #8A8A8A;
  --color-accent: #9C5E2E;
  --color-accent-hover: #7E4923;
  --color-overlay: rgba(0, 0, 0, 0.45);

  --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --max-width: 1280px;
  --gutter: 24px;
  --section-pad-y: clamp(64px, 8vw, 120px);
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
button { font: inherit; cursor: pointer; border: none; background: none; }

/* TYPOGRAPHY UTILITIES */
.h-display { font-family: var(--font-serif); font-weight: 500; line-height: 1.1; letter-spacing: -0.01em; color: var(--color-text); }
.h1 { font-size: clamp(2.4rem, 5.5vw, 4.2rem); }
.h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-family: var(--font-serif); font-weight: 500; line-height: 1.2; letter-spacing: -0.01em; }
.h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); font-family: var(--font-serif); font-weight: 500; line-height: 1.3; }
.eyebrow {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: inline-block;
}
.lead { font-size: 1.2rem; color: var(--color-text-soft); max-width: 60ch; }
.muted { color: var(--color-text-mute); font-size: 1.05rem; }

/* LAYOUT */
.container { width: 100%; max-width: var(--max-width); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section-pad-y); }
.section--soft { background: var(--color-bg-soft); }
.section--dark { background: #161513; color: #fff; }
.section--dark .h-display, .section--dark .h2, .section--dark .h3 { color: #fff; }

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: all .25s ease;
  border: 1px solid transparent;
  white-space: nowrap;
  cursor: pointer;
}
.btn--primary { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }
.btn--primary:hover { background: var(--color-accent-hover); border-color: var(--color-accent-hover); }
.btn--ghost { background: transparent; color: var(--color-text); border-color: var(--color-text); }
.btn--ghost:hover { background: var(--color-text); color: #fff; }
.btn--ghost-light { background: transparent; color: #fff; border-color: #fff; }
.btn--ghost-light:hover { background: #fff; color: var(--color-text); }
.btn--link { padding: 0; color: var(--color-accent); font-weight: 500; border-bottom: 1px solid currentColor; }
.btn--link:hover { color: var(--color-accent-hover); }

/* HEADER */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 18px 0;
  transition: background .3s ease, padding .3s ease, box-shadow .3s ease;
  background: rgba(255, 255, 255, 0);
}
.header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 12px 0;
  box-shadow: 0 1px 0 rgba(0,0,0,0.05);
}
/* Variante: header sólido siempre (para páginas internas que no tienen hero oscuro) */
.header.header--solid {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line);
}
.header.header--solid .brand,
.header.header--solid .nav__link { color: var(--color-text); }
.header.header--solid .nav__burger span { background: var(--color-text); }

.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #fff;
  line-height: 1;
}
.brand span { color: var(--color-accent); }
.header.is-scrolled .brand { color: var(--color-text); }

.nav { display: flex; align-items: center; gap: 32px; }
.nav__list { display: flex; gap: 28px; list-style: none; }
.nav__link { font-size: 0.95rem; font-weight: 500; letter-spacing: 0.02em; color: #fff; transition: color .2s ease; }
.header.is-scrolled .nav__link { color: var(--color-text); }
.nav__link:hover, .nav__link.is-current { color: var(--color-accent); }
.header.is-scrolled .nav__link:hover, .header.is-scrolled .nav__link.is-current { color: var(--color-accent); }

.nav__cta {
  font-size: 0.9rem; padding: 10px 20px;
  background: var(--color-accent); color: #fff;
  border: 1px solid var(--color-accent);
  font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase;
  transition: all .25s ease;
}
.nav__cta:hover { background: var(--color-accent-hover); }

.nav__burger { display: none; }

@media (max-width: 880px) {
  .nav__list, .nav__cta { display: none; }
  .nav__burger { display: flex; flex-direction: column; gap: 5px; padding: 8px; }
  .nav__burger span { display: block; width: 24px; height: 2px; background: #fff; transition: background .2s, transform .3s, opacity .3s; }
  .header.is-scrolled .nav__burger span,
  .header--solid .nav__burger span { background: var(--color-text); }
  .nav__burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__burger.is-open span:nth-child(2) { opacity: 0; }
  .nav__burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .nav.is-open .nav__list,
  .nav.is-open .nav__cta {
    display: flex; position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; flex-direction: column; padding: 24px; gap: 18px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }
  .nav.is-open .nav__list .nav__link { color: var(--color-text); font-size: 1rem; }
  .nav.is-open .nav__cta { align-self: flex-start; color: #fff; }
}

/* HERO (home) */
.hero { position: relative; width: 100%; height: 100vh; min-height: 640px; overflow: hidden; color: #fff; }
.hero__slides { position: absolute; inset: 0; }
.hero__slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.2s ease; background-size: cover; background-position: center; }
.hero__slide.is-active { opacity: 1; }
.hero__slide::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.55) 100%); }
.hero__content { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding-bottom: 60px; }
.hero__eyebrow { color: rgba(255,255,255,0.85); margin-bottom: 18px; }
.hero__title { font-family: var(--font-serif); font-weight: 500; font-size: clamp(2.4rem, 6vw, 5rem); line-height: 1.05; letter-spacing: -0.02em; max-width: 16ch; margin-bottom: 24px; }
.hero__subtitle { font-size: clamp(1.1rem, 1.5vw, 1.35rem); font-weight: 300; line-height: 1.6; max-width: 50ch; margin-bottom: 36px; color: rgba(255,255,255,0.92); }
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero__nav { position: absolute; bottom: 36px; left: 0; right: 0; z-index: 3; display: flex; justify-content: space-between; align-items: center; padding-inline: var(--gutter); }
.hero__dots { display: flex; gap: 12px; }
.hero__dot { width: 36px; height: 2px; background: rgba(255,255,255,0.35); cursor: pointer; transition: background .25s ease; border: none; padding: 0; }
.hero__dot.is-active { background: #fff; }
.hero__meta { font-size: 0.75rem; letter-spacing: 0.15em; text-transform: uppercase; color: rgba(255,255,255,0.7); }

/* PAGE HEADER (páginas internas) */
.pagehead {
  padding: 180px 0 80px;
  background: var(--color-bg-muted);
  position: relative;
  overflow: hidden;
}
.pagehead__inner { position: relative; z-index: 1; }
.pagehead .eyebrow { margin-bottom: 16px; }
.pagehead .h1 {
  font-family: var(--font-serif); font-weight: 500;
  font-size: clamp(2.4rem, 5.5vw, 4.4rem);
  line-height: 1.05; letter-spacing: -0.02em;
  max-width: 18ch; margin-bottom: 24px;
}
.pagehead__lead { font-size: clamp(1.1rem, 1.5vw, 1.3rem); color: var(--color-text-soft); max-width: 60ch; line-height: 1.65; }
.pagehead__breadcrumb { font-size: 0.85rem; color: var(--color-text-mute); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 24px; }
.pagehead__breadcrumb a { color: var(--color-text-mute); }
.pagehead__breadcrumb a:hover { color: var(--color-accent); }
.pagehead__breadcrumb span { margin: 0 8px; color: var(--color-line); }

/* PHILOSOPHY (home + general) */
.philosophy { text-align: center; }
.philosophy__quote { font-family: var(--font-serif); font-style: italic; font-weight: 400; font-size: clamp(1.5rem, 2.8vw, 2.2rem); line-height: 1.4; max-width: 24ch; margin: 24px auto 0; color: var(--color-text); }
.philosophy__author { display: block; margin-top: 20px; font-family: var(--font-sans); font-size: 0.95rem; font-style: normal; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-text-mute); }

/* SERVICES GRID (home) */
.services__header { margin-bottom: 56px; text-align: left; }
.services__header .eyebrow { margin-bottom: 12px; }
.services__header .h2 { max-width: 18ch; }

.services__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1px; background: var(--color-line); border: 1px solid var(--color-line); }
.service { padding: 40px 32px; background: var(--color-bg); display: flex; flex-direction: column; justify-content: space-between; min-height: 260px; transition: background .25s ease; }
.service:hover { background: var(--color-bg-soft); }
.service__num { font-family: var(--font-serif); font-size: 1.6rem; color: var(--color-accent); letter-spacing: 0.1em; margin-bottom: 24px; font-weight: 500; }
.service__title { font-family: var(--font-serif); font-size: 1.55rem; font-weight: 500; margin-bottom: 12px; line-height: 1.2; }
.service__desc { font-size: 1.05rem; color: var(--color-text-soft); line-height: 1.6; }

/* PROJECTS SHOWCASE (home + página de proyectos) */
.projects__header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 56px; gap: 24px; flex-wrap: wrap; }
.projects__header .h2 { max-width: 14ch; }

.projects__grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; }
.project { position: relative; overflow: hidden; cursor: pointer; background: var(--color-bg-muted); display: block; }
.project--lg { grid-column: span 7; aspect-ratio: 4/3; }
.project--sm { grid-column: span 5; aspect-ratio: 4/3.4; }
.project--full { grid-column: span 12; aspect-ratio: 16/7; }

@media (max-width: 880px) { .project--lg, .project--sm, .project--full { grid-column: span 12; aspect-ratio: 4/3; } }

.project__img { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform .8s cubic-bezier(0.22, 1, 0.36, 1); }
.project:hover .project__img { transform: scale(1.04); }
.project__overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(0,0,0,0.7) 100%); }
.project__info { position: absolute; bottom: 0; left: 0; right: 0; padding: 28px; color: #fff; }
.project__category { font-family: var(--font-sans); font-size: 0.8rem; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(255,255,255,0.85); margin-bottom: 8px; display: block; }
.project__title { font-family: var(--font-serif); font-size: 1.75rem; font-weight: 500; letter-spacing: -0.01em; }

/* SPLIT (image+text — usado en Nosotros) */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.split--reverse { direction: rtl; }
.split--reverse > * { direction: ltr; }
.split__media { aspect-ratio: 4/5; background-size: cover; background-position: center; background-color: var(--color-bg-muted); }
.split__body .eyebrow { margin-bottom: 14px; }
.split__body .h2 { margin-bottom: 24px; }
.split__body p { font-size: 1.1rem; color: var(--color-text-soft); margin-bottom: 18px; line-height: 1.75; }
.split__body p:last-child { margin-bottom: 0; }
@media (max-width: 880px) { .split { grid-template-columns: 1fr; gap: 40px; } }

/* VALUES (3 columnas) */
.values__header { text-align: center; margin-bottom: 64px; }
.values__header .h2 { max-width: 22ch; margin-inline: auto; }
.values__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 48px; }
.value { text-align: left; }
.value__icon { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--color-accent); display: flex; align-items: center; justify-content: center; margin-bottom: 24px; font-family: var(--font-serif); color: var(--color-accent); font-size: 1.2rem; }
.value__title { font-family: var(--font-serif); font-size: 1.55rem; font-weight: 500; margin-bottom: 12px; }
.value__desc { color: var(--color-text-soft); font-size: 1.05rem; line-height: 1.7; }

/* PROCESS (timeline horizontal) */
.process__header { text-align: center; margin-bottom: 72px; }
.process__header .h2 { max-width: 20ch; margin-inline: auto; }
.process__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 32px; position: relative; }
.process__step { position: relative; padding-right: 24px; }
.process__num { font-family: var(--font-serif); font-size: 3rem; font-weight: 500; line-height: 1; color: var(--color-accent); margin-bottom: 16px; }
.process__title { font-family: var(--font-serif); font-size: 1.4rem; font-weight: 500; margin-bottom: 10px; line-height: 1.3; }
.process__desc { font-size: 1rem; color: var(--color-text-soft); line-height: 1.65; }

/* WHY US — Stats */
.whyus__header { text-align: center; margin-bottom: 64px; }
.whyus__header .h2 { max-width: 20ch; margin-inline: auto; }
.whyus__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 48px; text-align: center; }
.stat__num { font-family: var(--font-serif); font-size: clamp(3rem, 6vw, 4.5rem); font-weight: 500; line-height: 1; color: var(--color-accent); margin-bottom: 16px; }
.stat__label { font-family: var(--font-sans); font-size: 0.95rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-text-soft); font-weight: 500; }
.stat__desc { margin-top: 12px; font-size: 1.05rem; color: var(--color-text-soft); max-width: 26ch; margin-inline: auto; }

/* CTA SECTION (dark) */
.cta { text-align: center; position: relative; overflow: hidden; background: #1A1A1A; color: #fff; padding: clamp(72px, 9vw, 120px) 0; }
.cta__bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0.25; filter: grayscale(0.3); }
.cta__content { position: relative; z-index: 1; max-width: 720px; margin-inline: auto; }
.cta .h2 { font-size: clamp(2rem, 4.5vw, 3.4rem); margin-bottom: 24px; color: #fff; letter-spacing: -0.01em; }
.cta__lead { color: rgba(255,255,255,0.85); font-size: 1.2rem; margin-bottom: 40px; max-width: 50ch; margin-inline: auto; }
.cta__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* FOOTER */
.footer { background: #0F0E0D; color: rgba(255,255,255,0.75); padding: 72px 0 32px; font-size: 1rem; }
.footer a { color: rgba(255,255,255,0.85); }
.footer a:hover { color: var(--color-accent); }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 56px; }
@media (max-width: 880px) { .footer__grid { grid-template-columns: 1fr 1fr; gap: 36px; } }
@media (max-width: 540px) { .footer__grid { grid-template-columns: 1fr; } }
.footer__brand { font-family: var(--font-serif); font-size: 1.85rem; color: #fff; font-weight: 600; margin-bottom: 16px; display: block; }
.footer__brand span { color: var(--color-accent); }
.footer__about { max-width: 32ch; line-height: 1.6; }
.footer__title { font-family: var(--font-sans); font-size: 0.85rem; letter-spacing: 0.15em; text-transform: uppercase; color: #fff; margin-bottom: 18px; font-weight: 600; }
.footer__list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer__contact { line-height: 1.7; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 28px; display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; font-size: 0.9rem; color: rgba(255,255,255,0.45); }

/* ANIMATIONS */
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.fade-up { animation: fadeUp .9s ease both; }