/* =========================================================
   AEDRA HERITAGE — hoja de estilo
   Dirección: dossier editorial de herencia agrícola.
   Serif orgánica (Fraunces) + grotesca técnica (Archivo).
   ========================================================= */

:root {
  /* Verdes — base en el verde de marca del cliente (#167709) */
  --green-900: #08220C;
  --green-850: #0B2A0F;
  --green-800: #0E3413;
  --green-base: #0E3413;
  --green-700: #155A1C;
  --green-600: #167709;
  --moss: #4E7A3A;

  /* Acentos del cliente: lima fresca + tierra cálida.
     Se mantienen los nombres --gold* como alias para no reescribir cada regla:
       --gold      = lima (acento sobre oscuro)
       --gold-deep = tierra/marrón (acento sobre claro) */
  --gold: #C3CD32;
  --gold-soft: #D8DF6E;
  --gold-deep: #795015;
  --lime: #C3CD32;
  --lime-soft: #D8DF6E;
  --earth: #795015;
  --earth-soft: #A07A3C;
  --plum: #A247A9;       /* firma de Árdega */
  --plum-soft: #C47ECB;

  /* Papel / hueso */
  --bone: #F3EFE4;
  --bone-2: #EAE3D2;
  --bone-3: #DDD3BB;

  /* Tinta sobre claro */
  --ink: #191E14;
  --ink-soft: #4C5243;
  --ink-faint: #797F6C;

  /* Texto sobre oscuro */
  --on-dark: #EDEFE1;
  --on-dark-soft: #AEB79B;

  --maxw: 1240px;
  --pad: clamp(1.25rem, 5vw, 5.5rem);

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Archivo", -apple-system, BlinkMacSystemFont, sans-serif;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body {
  font-family: var(--sans);
  background: var(--green-900);
  color: var(--on-dark);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
em { font-style: italic; }

/* ---------- Grain overlay ---------- */
.grain {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.04;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Tipografía base ---------- */
h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.06; letter-spacing: -0.01em; }
.eyebrow {
  font-family: var(--sans);
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--gold);
}

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem var(--pad);
  transition: background .5s var(--ease), padding .5s var(--ease), border-color .5s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(17, 32, 26, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding-top: .8rem; padding-bottom: .8rem;
  border-bottom: 1px solid rgba(195,205,50,0.22);
}

.brand { display: inline-flex; align-items: center; gap: .7rem; }
.brand__mark {
  font-family: var(--serif);
  font-size: 1.7rem;
  color: var(--gold);
  line-height: 1;
  border: 1px solid rgba(195,205,50,0.55);
  border-radius: 50%;
  width: 2.2rem; height: 2.2rem;
  display: grid; place-items: center;
  padding-bottom: .12em;
}
.brand__name {
  font-family: var(--sans);
  font-weight: 600;
  letter-spacing: 0.22em;
  font-size: 0.92rem;
  display: flex; flex-direction: column; line-height: 1.05;
}
.brand__sub { font-size: 0.6rem; letter-spacing: 0.42em; color: var(--gold); font-weight: 500; }

.nav { display: flex; align-items: center; gap: 2.1rem; }
.nav a {
  font-size: 0.86rem;
  letter-spacing: 0.02em;
  color: var(--on-dark-soft);
  position: relative;
  transition: color .3s var(--ease);
}
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: -5px;
  width: 0; height: 1px; background: var(--gold);
  transition: width .35s var(--ease);
}
.nav a:hover { color: var(--on-dark); }
.nav a:hover::after { width: 100%; }
.nav__cta {
  border: 1px solid rgba(195,205,50,0.5);
  padding: .5rem 1.1rem;
  border-radius: 100px;
  color: var(--gold) !important;
}
.nav__cta::after { display: none; }
.nav__cta:hover { background: var(--gold); color: var(--green-900) !important; }

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none; border: 0; cursor: pointer;
  padding: 6px;
}
.nav-toggle span { width: 26px; height: 1.6px; background: var(--on-dark); transition: .35s var(--ease); }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(6.6px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-6.6px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--green-900);
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  gap: 1.6rem;
  transform: translateY(-100%);
  transition: transform .6s var(--ease);
}
.mobile-menu.is-open { transform: translateY(0); }
.mobile-menu a {
  font-family: var(--serif);
  font-size: 2rem;
  color: var(--on-dark);
}
.mobile-menu a:hover { color: var(--gold); }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem var(--pad) 4rem;
  background:
    radial-gradient(120% 90% at 80% 0%, var(--green-700) 0%, var(--green-base) 45%, var(--green-900) 100%);
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; pointer-events: none; }
.hero__bg::before {
  /* halo dorado tenue */
  content: ""; position: absolute; top: -10%; right: -5%;
  width: 50vw; height: 50vw; max-width: 720px; max-height: 720px;
  background: radial-gradient(circle, rgba(195,205,50,0.16) 0%, transparent 62%);
}
.sprig { position: absolute; color: rgba(195,205,50,0.22); height: 92%; top: 6%; }
.sprig--left { left: 4%; transform: rotate(8deg); }

.hero__inner { position: relative; max-width: 60rem; z-index: 2; }
.hero__title {
  font-size: clamp(2.5rem, 6.6vw, 5.6rem);
  font-optical-sizing: auto;
  margin: 1.6rem 0 1.8rem;
  max-width: 18ch;
}
.hero__title em { color: var(--gold-soft); font-style: italic; }
.hero__lead {
  max-width: 56ch;
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  color: var(--on-dark-soft);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.6rem; }

.hero__scroll {
  position: absolute;
  bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  font-size: 0.66rem; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--on-dark-soft);
}
.hero__scroll svg { width: 18px; height: 28px; animation: bob 2.4s var(--ease) infinite; }
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(7px); } }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--sans); font-weight: 600;
  font-size: 0.86rem; letter-spacing: 0.04em;
  padding: .95rem 1.8rem;
  border-radius: 100px;
  cursor: pointer;
  transition: transform .35s var(--ease), background .35s var(--ease), color .35s var(--ease), box-shadow .35s var(--ease);
}
.btn--gold { background: var(--gold); color: var(--green-900); border: 1px solid var(--gold); }
.btn--gold:hover { background: var(--gold-soft); transform: translateY(-2px); box-shadow: 0 14px 34px -16px rgba(195,205,50,0.7); }
.btn--ghost { border: 1px solid rgba(237,231,215,0.3); color: var(--on-dark); }
.btn--ghost:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }
.btn--full { width: 100%; justify-content: center; }

/* =========================================================
   PILARES
   ========================================================= */
.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--green-850);
  border-top: 1px solid rgba(195,205,50,0.18);
}
.pillar {
  padding: clamp(2rem, 4vw, 3.4rem) clamp(1.4rem, 2.6vw, 2.4rem);
  border-right: 1px solid rgba(195,205,50,0.12);
  position: relative;
}
.pillar:last-child { border-right: 0; }
.pillar__num { font-family: var(--serif); font-size: 0.85rem; color: var(--gold); letter-spacing: .1em; }
.pillar__icon { width: 40px; height: 40px; color: var(--gold); margin: 1.4rem 0 1.2rem; }
.pillar h3 { font-size: 1.45rem; margin-bottom: .6rem; }
.pillar p { font-size: 0.92rem; color: var(--on-dark-soft); }

/* =========================================================
   SECCIONES GENÉRICAS
   ========================================================= */
.section { padding: clamp(4.5rem, 9vw, 9rem) var(--pad); position: relative; }
.section--light { background: var(--bone); color: var(--ink); }
.section--dark { background: var(--green-base); color: var(--on-dark); }

.section__index {
  display: flex; align-items: center; gap: 1rem;
  font-size: 0.74rem; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 3rem;
}
.section__index span:first-child { color: var(--gold-deep); font-family: var(--serif); font-size: 1rem; letter-spacing: 0; }
.section__index--light { color: var(--on-dark-soft); }
.section__index--light span:first-child { color: var(--gold); }
.section__index .rule { flex: 0 0 56px; height: 1px; background: currentColor; opacity: .4; }

/* ---------- Quiénes somos ---------- */
.who__grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.who__statement h2 { font-size: clamp(1.9rem, 3.6vw, 3.2rem); max-width: 16ch; }
.who__body p { color: var(--ink-soft); font-size: 1.06rem; margin-bottom: 1.2rem; max-width: 52ch; }
.who__values {
  display: grid; grid-template-columns: 1fr 1fr; gap: .7rem 1.5rem;
  margin-top: 2rem; border-top: 1px solid var(--bone-3); padding-top: 1.6rem;
}
.who__values li {
  font-size: 0.92rem; font-weight: 500; color: var(--ink);
  padding-left: 1.3rem; position: relative;
}
.who__values li::before {
  content: ""; position: absolute; left: 0; top: .55em;
  width: 7px; height: 7px; border: 1px solid var(--gold-deep); transform: rotate(45deg);
}

.media-slot {
  margin-top: clamp(3rem, 6vw, 5rem);
  border: 1px solid var(--bone-3);
  border-radius: 4px;
  aspect-ratio: 21 / 8;
  position: relative;
  overflow: hidden;
  background:
    repeating-linear-gradient(135deg, rgba(46,74,56,0.05) 0 2px, transparent 2px 22px),
    linear-gradient(120deg, var(--bone-2), var(--bone-3));
}
.media-slot__inner { position: absolute; inset: 0; }
.media-slot::after {
  content: attr(data-label);
  position: absolute; left: 1.4rem; bottom: 1.1rem;
  font-size: 0.7rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-faint);
}

/* ---------- Qué hacemos ---------- */
.what__title { font-size: clamp(1.9rem, 3.6vw, 3rem); max-width: 20ch; margin-bottom: 3.5rem; }
.what__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(195,205,50,0.18); border: 1px solid rgba(195,205,50,0.18); }
.card {
  background: var(--green-base);
  padding: clamp(2rem, 3vw, 3rem);
  transition: background .4s var(--ease);
}
.card:hover { background: var(--green-700); }
.card__num { font-family: var(--serif); font-size: 2.6rem; color: var(--gold); display: block; line-height: 1; }
.card h3 { font-size: 1.6rem; margin: 1.2rem 0 1rem; }
.card p { color: var(--on-dark-soft); font-size: 0.98rem; }

/* ---------- Compromiso ---------- */
.commit__head { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: end; margin-bottom: 3.5rem; }
.commit__head h2 { font-size: clamp(1.9rem, 3.6vw, 3rem); max-width: 16ch; }
.commit__head h2 em { color: var(--gold-deep); }
.commit__head p { color: var(--ink-soft); font-size: 1.05rem; }
.commit__list {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--bone-3);
}
.commit__list li {
  padding: 1.6rem 1.6rem 1.6rem 0;
  border-bottom: 1px solid var(--bone-3);
  font-size: 1.05rem;
  font-weight: 500;
  display: flex; align-items: baseline; gap: .9rem;
}
.commit__list li::before {
  content: "—"; color: var(--gold-deep); font-weight: 600;
}

/* ---------- Árdega ---------- */
.ardega {
  background: var(--green-900);
  position: relative;
  overflow: hidden;
}
.ardega::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(80% 120% at 100% 100%, rgba(162,71,169,0.20), transparent 60%);
}
.ardega__inner { position: relative; max-width: 60rem; }
.ardega .section__index--light span:first-child { color: var(--plum-soft); }
.ardega__wordmark {
  font-family: var(--serif);
  font-size: clamp(3rem, 9vw, 7rem);
  font-style: italic;
  color: var(--plum-soft);
  line-height: 1;
  margin: 1rem 0 1.5rem;
}
.ardega__text { color: var(--on-dark-soft); font-size: clamp(1rem, 1.5vw, 1.18rem); max-width: 54ch; margin-bottom: 2.4rem; }
/* Botón con identidad Árdega (morado) */
.ardega .btn--gold { background: var(--plum); border-color: var(--plum); color: #fff; }
.ardega .btn--gold:hover { background: var(--plum-soft); box-shadow: 0 14px 34px -16px rgba(162,71,169,0.7); }

/* ---------- Contacto ---------- */
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 6vw, 6rem); align-items: start; }
.contact__intro h2 { font-size: clamp(2.2rem, 4.5vw, 3.6rem); margin-bottom: 1.2rem; }
.contact__intro p { color: var(--on-dark-soft); max-width: 40ch; font-size: 1.05rem; }
.contact__details { margin-top: 2.6rem; display: grid; gap: 1.4rem; }
.contact__details li { border-top: 1px solid rgba(195,205,50,0.25); padding-top: .9rem; }
.contact__label { display: block; font-size: 0.7rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--gold); margin-bottom: .3rem; }
.contact__details a { font-family: var(--serif); font-size: 1.4rem; color: var(--on-dark); transition: color .3s var(--ease); }
.contact__details a:hover { color: var(--gold); }

.contact__form { display: grid; gap: 1.3rem; }
.field { display: grid; gap: .5rem; }
.field label { font-size: 0.74rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--on-dark-soft); }
.field input, .field textarea {
  font-family: var(--sans);
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(237,231,215,0.28);
  color: var(--on-dark);
  padding: .7rem 0;
  font-size: 1.05rem;
  transition: border-color .3s var(--ease);
  resize: vertical;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--gold); }
.form-note { font-size: 0.86rem; color: var(--gold-soft); min-height: 1.2em; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer { background: var(--green-900); padding: clamp(3rem, 6vw, 5rem) var(--pad) 2rem; border-top: 1px solid rgba(195,205,50,0.2); }
.footer__top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1.5rem; padding-bottom: 2.4rem; border-bottom: 1px solid rgba(195,205,50,0.14); }
.footer__tag { color: var(--on-dark-soft); max-width: 40ch; font-size: 0.95rem; }
.footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1.2rem; padding-top: 1.8rem; }
.footer__nav { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.footer__nav a { font-size: 0.84rem; color: var(--on-dark-soft); }
.footer__nav a:hover { color: var(--gold); }
.footer__legal { font-size: 0.8rem; color: var(--ink-faint); }
.footer__legal a { color: var(--on-dark-soft); text-decoration: none; border-bottom: 1px solid rgba(195,205,50,0.4); padding-bottom: 1px; transition: color .3s var(--ease); }
.footer__legal a:hover { color: var(--gold); }

/* =========================================================
   PÁGINAS INTERIORES (Servicios, Proyectos, Blog, Proveedores)
   ========================================================= */
.page-hero {
  position: relative;
  padding: 9.5rem var(--pad) clamp(3rem, 6vw, 5rem);
  background: radial-gradient(120% 100% at 85% 0%, var(--green-700) 0%, var(--green-base) 50%, var(--green-900) 100%);
  overflow: hidden;
}
.page-hero .eyebrow { margin-bottom: 1.2rem; }
.page-hero h1 { font-family: var(--serif); font-size: clamp(2.4rem, 5.5vw, 4.4rem); max-width: 18ch; }
.page-hero h1 em { color: var(--lime-soft); font-style: italic; }
.page-lead { margin-top: 1.5rem; max-width: 56ch; color: var(--on-dark-soft); font-size: clamp(1rem, 1.5vw, 1.15rem); }

/* Lista de servicios / contenidos */
.feature-list { display: grid; gap: 1px; background: rgba(195,205,50,0.18); border: 1px solid rgba(195,205,50,0.18); }
.feature-list .feature {
  background: var(--green-base); padding: clamp(1.8rem, 3vw, 2.6rem);
  display: grid; gap: .8rem; transition: background .4s var(--ease);
}
.feature-list .feature:hover { background: var(--green-700); }
.feature__tag { font-size: 0.7rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--lime); }
.feature h3 { font-size: 1.5rem; }
.feature p { color: var(--on-dark-soft); font-size: 0.98rem; }

/* Tarjetas de proyecto */
.proj-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(1.2rem, 2.5vw, 2rem); }
.proj {
  border: 1px solid var(--bone-3); border-radius: 6px; overflow: hidden;
  display: flex; flex-direction: column; background: var(--bone-2);
}
.proj__media { aspect-ratio: 16/9; background:
  repeating-linear-gradient(135deg, rgba(22,119,9,0.06) 0 2px, transparent 2px 22px),
  linear-gradient(120deg, var(--bone-2), var(--bone-3)); position: relative; }
.proj__media::after { content: attr(data-label); position: absolute; left: 1rem; bottom: .8rem; font-size: 0.66rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-faint); }
.proj__body { padding: 1.5rem; }
.proj__body h3 { font-family: var(--serif); font-size: 1.4rem; margin-bottom: .5rem; color: var(--ink); }
.proj__body p { color: var(--ink-soft); font-size: 0.95rem; }
.proj__status { display: inline-block; margin-top: 1rem; font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--earth); border: 1px solid var(--earth-soft); padding: .25rem .7rem; border-radius: 100px; }

/* Blog / actualidad */
.post-list { display: grid; gap: 0; border-top: 1px solid var(--bone-3); }
.post { display: grid; grid-template-columns: 9rem 1fr; gap: 1.5rem; padding: 1.8rem 0; border-bottom: 1px solid var(--bone-3); align-items: baseline; }
.post__date { font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--earth); }
.post h3 { font-family: var(--serif); font-size: 1.4rem; color: var(--ink); margin-bottom: .4rem; }
.post p { color: var(--ink-soft); font-size: 0.95rem; max-width: 60ch; }

/* Aviso de contenido en preparación */
.soon-note { margin-top: 2.5rem; padding: 1.2rem 1.5rem; border-left: 2px solid var(--lime); background: rgba(195,205,50,0.07); font-size: 0.95rem; color: var(--on-dark-soft); }
.section--light .soon-note { background: rgba(121,80,21,0.06); border-left-color: var(--earth); color: var(--ink-soft); }

/* Enlace "ver más" */
.more-link { display: inline-flex; align-items: center; gap: .5rem; margin-top: 2.2rem; font-weight: 600; font-size: 0.9rem; color: var(--gold-deep); border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.section--dark .more-link, .more-link--light { color: var(--lime); }
.more-link:hover { opacity: .75; }

@media (max-width: 760px) {
  .proj-grid { grid-template-columns: 1fr; }
  .post { grid-template-columns: 1fr; gap: .4rem; }
}

/* =========================================================
   REVEAL ANIMATION
   ========================================================= */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .12s; }
.reveal[data-delay="2"] { transition-delay: .24s; }
.reveal[data-delay="3"] { transition-delay: .36s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__scroll svg { animation: none; }
  html { scroll-behavior: auto; }
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px) {
  .pillars { grid-template-columns: 1fr 1fr; }
  .pillar:nth-child(2) { border-right: 0; }
  .pillar:nth-child(1), .pillar:nth-child(2) { border-bottom: 1px solid rgba(195,205,50,0.12); }
  .what__grid { grid-template-columns: 1fr; }
  .commit__list { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .nav { display: none; }
  .nav-toggle { display: flex; }
  .who__grid, .commit__head, .contact__grid { grid-template-columns: 1fr; }
  .pillars { grid-template-columns: 1fr; }
  .pillar { border-right: 0; border-bottom: 1px solid rgba(195,205,50,0.12); }
  .commit__list { grid-template-columns: 1fr; }
  .who__values { grid-template-columns: 1fr; }
  .sprig--left { opacity: .5; }
  .media-slot { aspect-ratio: 4 / 3; }
}