/* ======================================================
   Doble Barro Taller — Estilos
   Paleta cerámica: terracota / arcilla / crema / musgo
   ====================================================== */

:root{
  --terracota: #B85C3E;
  --terracota-dk: #8B4426;
  --terracota-lt: #D1845F;
  --arcilla: #E8D5C4;
  --crema: #F5EFE6;
  --crema-2: #FAF5ED;
  --musgo: #6B7A4B;
  --musgo-dk: #4D5836;
  --tinta: #3D2E22;
  --tinta-2: #5C4A3A;
  --linea: rgba(61,46,34,0.12);
  --sombra-sm: 0 2px 8px rgba(61,46,34,0.06);
  --sombra-md: 0 8px 28px rgba(61,46,34,0.10);
  --sombra-lg: 0 20px 50px rgba(61,46,34,0.14);
  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --sans: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 22px;
  --max: 1180px;
  --pad-section: clamp(60px, 9vw, 120px);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--tinta);
  background: var(--crema);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg{ max-width: 100%; height: auto; display: block; }
a{ color: var(--terracota-dk); text-decoration: none; transition: color .2s ease; }
a:hover{ color: var(--terracota); }

h1, h2, h3, h4{
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0 0 .4em;
  color: var(--tinta);
}
h2{ font-size: clamp(2rem, 4.2vw, 3rem); line-height: 1.1; }
h3{ font-size: 1.45rem; line-height: 1.25; }
p{ margin: 0 0 1em; }
.eyebrow{
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: .78rem;
  font-weight: 600;
  color: var(--terracota);
  margin: 0 0 1.2rem;
}

/* ====== Nav ====== */
.nav{
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px clamp(20px, 4vw, 48px);
  background: rgba(245, 239, 230, 0.85);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: padding .25s ease, background .25s ease, border-color .25s ease;
}
.nav.is-scrolled{ padding: 12px clamp(20px, 4vw, 48px); border-bottom-color: var(--linea); }
.nav__brand{
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--terracota-dk);
}
.nav__logo{ width: 32px; height: 32px; color: var(--terracota); }
.nav__name{
  font-family: var(--serif); font-weight: 600; font-size: 1.4rem;
  letter-spacing: .02em; color: var(--tinta);
}
.nav__links{ display: flex; align-items: center; gap: clamp(14px, 2.5vw, 32px); }
.nav__links a{
  color: var(--tinta-2);
  font-weight: 500; font-size: .95rem;
}
.nav__links a:hover{ color: var(--terracota); }
.nav__cta{
  background: var(--terracota);
  color: var(--crema) !important;
  padding: 10px 20px;
  border-radius: 999px;
  transition: background .2s ease, transform .2s ease;
}
.nav__cta:hover{ background: var(--terracota-dk); transform: translateY(-1px); }

.nav__toggle{
  display: none;
  background: none; border: 0; cursor: pointer;
  width: 38px; height: 38px;
  padding: 8px; gap: 5px;
  flex-direction: column; justify-content: center; align-items: stretch;
}
.nav__toggle span{
  height: 2px; background: var(--tinta); border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease;
}

/* ====== Hero ====== */
.hero{
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 120px 24px 80px;
  overflow: hidden;
  isolation: isolate;
}
.hero__bg{ position: absolute; inset: 0; z-index: -1; }
.hero__bg svg{ width: 100%; height: 100%; }
.hero__inner{
  max-width: 980px;
  text-align: left;
  margin: 0 auto;
  width: 100%;
}
.hero__eyebrow{
  color: var(--terracota-dk);
  text-transform: uppercase;
  letter-spacing: .22em;
  font-size: .82rem; font-weight: 600;
  margin: 0 0 1.5rem;
}
.hero__title{
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(3rem, 9vw, 6.5rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0 0 1.8rem;
  color: var(--tinta);
}
.hero__title em{ font-style: italic; color: var(--terracota); font-weight: 400; }
.hero__lead{
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  max-width: 560px;
  color: var(--tinta-2);
  margin: 0 0 2.2rem;
}
.hero__ctas{ display: flex; flex-wrap: wrap; gap: 14px; }

.btn{
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600; font-size: 1rem;
  letter-spacing: .01em;
  cursor: pointer; border: 0;
  transition: transform .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease;
}
.btn--primary{
  background: var(--terracota); color: var(--crema);
  box-shadow: 0 8px 22px rgba(184,92,62,0.28);
}
.btn--primary:hover{ background: var(--terracota-dk); color: var(--crema); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(184,92,62,0.35); }
.btn--ghost{
  background: transparent; color: var(--tinta);
  box-shadow: inset 0 0 0 1.5px var(--tinta);
}
.btn--ghost:hover{ background: var(--tinta); color: var(--crema); }

.hero__scroll{
  position: absolute;
  bottom: 28px; left: 50%; transform: translateX(-50%);
  width: 24px; height: 38px;
  border-radius: 14px;
  border: 1.5px solid var(--tinta);
  opacity: .5;
  display: grid; place-items: center;
}
.hero__scroll span{
  width: 3px; height: 8px; background: var(--tinta); border-radius: 2px;
  animation: scrollHint 1.6s ease-in-out infinite;
}
@keyframes scrollHint{ 0%{ transform: translateY(-6px); opacity: 0; } 50%{ opacity: 1; } 100%{ transform: translateY(6px); opacity: 0; } }

/* ====== Section base ====== */
.section{ padding: var(--pad-section) clamp(20px, 4vw, 48px); position: relative; }
.section__inner{ max-width: var(--max); margin: 0 auto; }
.section__head{ max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section__lead{ color: var(--tinta-2); font-size: 1.05rem; }

.section--about{
  background: var(--crema-2);
  border-top: 1px solid var(--linea);
  border-bottom: 1px solid var(--linea);
}

.about{
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}
.about__copy h2{ margin-bottom: 1rem; }
.about__copy p{ color: var(--tinta-2); }
.about__bullets{
  list-style: none; padding: 0; margin: 1.6rem 0 0;
  display: grid; gap: 14px;
}
.about__bullets li{
  position: relative;
  padding: 14px 16px 14px 44px;
  background: rgba(255,255,255,0.55);
  border-radius: var(--r-md);
  border: 1px solid var(--linea);
}
.about__bullets li::before{
  content: "";
  position: absolute; left: 16px; top: 50%;
  width: 14px; height: 14px;
  background: var(--terracota);
  border-radius: 50%;
  transform: translateY(-50%);
  box-shadow: 0 0 0 4px rgba(184,92,62,0.18);
}
.about__art{
  display: grid; place-items: center;
}
.about__art svg{ max-width: 380px; filter: drop-shadow(0 18px 40px rgba(61,46,34,0.15)); }

/* ====== Cursos ====== */
.cursos-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}
.curso{
  background: #fff;
  border: 1px solid var(--linea);
  border-radius: var(--r-lg);
  padding: 28px 26px;
  display: flex; flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  position: relative; overflow: hidden;
}
.curso::before{
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(184,92,62,0.04) 0%, transparent 60%);
  opacity: 0; transition: opacity .3s ease;
}
.curso:hover{
  transform: translateY(-4px);
  box-shadow: var(--sombra-lg);
  border-color: rgba(184,92,62,0.3);
}
.curso:hover::before{ opacity: 1; }
.curso > *{ position: relative; }
.curso__icon{
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--arcilla);
  color: var(--terracota-dk);
  display: grid; place-items: center;
  margin-bottom: 18px;
}
.curso__icon svg{ width: 32px; height: 32px; }
.curso h3{ margin-bottom: 8px; color: var(--tinta); }
.curso__desc{ color: var(--tinta-2); font-size: .98rem; margin-bottom: 18px; }
.curso__meta{
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px;
  margin: 0 0 22px; padding: 14px 0 0;
  border-top: 1px dashed var(--linea);
}
.curso__meta > div{ display: flex; flex-direction: column; }
.curso__meta dt{
  font-size: .7rem; text-transform: uppercase; letter-spacing: .14em;
  color: var(--terracota); font-weight: 600;
}
.curso__meta dd{ margin: 2px 0 0; font-size: .92rem; color: var(--tinta); font-weight: 500; }
.curso__cta{
  margin-top: auto;
  color: var(--terracota-dk); font-weight: 600; font-size: .95rem;
  display: inline-flex; align-items: center; gap: 6px;
  padding-top: 6px;
}
.curso__cta:hover{ color: var(--terracota); }

/* ====== Contacto ====== */
.section--contacto{
  background: linear-gradient(180deg, var(--crema) 0%, var(--arcilla) 100%);
  border-top: 1px solid var(--linea);
}
.contacto{ display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 80px); align-items: center; }
.contacto__copy h2{ margin-bottom: 1rem; }
.contacto__copy p{ color: var(--tinta-2); max-width: 460px; }
.contacto__cards{ display: grid; gap: 16px; }
.contacto__card{
  display: flex; align-items: center; gap: 18px;
  padding: 22px 26px;
  background: #fff;
  border: 1px solid var(--linea);
  border-radius: var(--r-lg);
  color: var(--tinta);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.contacto__card:hover{
  transform: translateY(-2px);
  box-shadow: var(--sombra-md);
  border-color: rgba(184,92,62,0.3);
  color: var(--tinta);
}
.contacto__card-icon{
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--terracota);
  color: var(--crema);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.contacto__card-icon svg{ width: 26px; height: 26px; }
.contacto__card-label{
  font-size: .72rem; text-transform: uppercase; letter-spacing: .16em;
  color: var(--terracota); font-weight: 600;
}
.contacto__card-value{ font-size: 1.05rem; font-weight: 600; margin-top: 2px; }

/* ====== Footer ====== */
.footer{
  background: var(--tinta);
  color: var(--arcilla);
  padding: 48px 24px 32px;
}
.footer__inner{
  max-width: var(--max); margin: 0 auto;
  display: grid; gap: 28px;
}
.footer__brand{ display: flex; flex-direction: column; gap: 4px; }
.footer__logo{ font-family: var(--serif); font-size: 1.6rem; font-weight: 600; }
.footer__tag{ font-size: .9rem; opacity: 0.7; }
.footer__links{ display: flex; flex-wrap: wrap; gap: 18px 28px; }
.footer__links a{ color: var(--arcilla); opacity: .82; font-size: .95rem; }
.footer__links a:hover{ opacity: 1; color: var(--crema); }
.footer__copy{
  font-size: .82rem; opacity: 0.55;
  padding-top: 24px;
  border-top: 1px solid rgba(232,213,196,0.12);
}

/* ====== Reveal animation ====== */
.reveal{ opacity: 0; transform: translateY(20px); transition: opacity .8s ease, transform .8s ease; }
.reveal.is-visible{ opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{ animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal{ opacity: 1; transform: none; }
}

/* ====== Responsive ====== */
@media (max-width: 880px){
  .about, .contacto{ grid-template-columns: 1fr; }
  .about__art{ order: -1; max-width: 280px; margin: 0 auto; }
  .nav__links{
    position: fixed; top: 64px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 18px 22px;
    gap: 4px;
    background: var(--crema);
    border-bottom: 1px solid var(--linea);
    box-shadow: var(--sombra-md);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform .25s ease, opacity .25s ease;
  }
  .nav__links a{ padding: 14px 6px; border-bottom: 1px solid var(--linea); font-size: 1.02rem; }
  .nav__links a:last-child{ border-bottom: 0; margin-top: 8px; text-align: center; }
  .nav.is-open .nav__links{ transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav__toggle{ display: flex; }
  .nav.is-open .nav__toggle span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .nav.is-open .nav__toggle span:nth-child(2){ opacity: 0; }
  .nav.is-open .nav__toggle span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }
}
@media (max-width: 520px){
  .hero{ padding: 110px 22px 70px; }
  .hero__title{ font-size: clamp(2.6rem, 12vw, 4.2rem); }
  .btn{ padding: 13px 22px; font-size: .95rem; }
  .contacto__card{ padding: 18px 20px; gap: 14px; }
  .curso{ padding: 24px 22px; }
}