/* ============================================
   Cámara de Minería Metálica de Costa Rica
   Hoja de estilos principal
   Estética alineada a la Guía Visual del Congreso 2027
   Paleta: azul #06264f, verde #215a37, dorado #dca13b,
           cobre #b96e2b, fondo claro #eff4f7
   Tipografía: Poppins
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400;1,500&display=swap');

:root {
  --verde: #06264f;
  --verde-oscuro: #06264f;
  --verde-secundario: #215a37;
  --bronce: #b96e2b;
  --dorado: #dca13b;
  --hueso: #eff4f7;
  --carbon: #2f3b4c;
  --blanco: #FFFFFF;
  --gris: #5d6b7c;
  --sombra: 0 2px 12px rgba(6,38,79,0.06);
  --radius: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Poppins', Arial, sans-serif;
  color: var(--carbon);
  background: var(--hueso);
  line-height: 1.65;
}

h1, h2, h3, h4 {
  font-family: 'Poppins', Arial, sans-serif;
  font-weight: 700;
  color: var(--verde-oscuro);
  line-height: 1.25;
}

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--blanco);
  box-shadow: var(--sombra);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: 1180px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--verde-oscuro);
}

.logo-img { height: 48px; width: auto; display: block; }

nav.main-nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
}

nav.main-nav a {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--carbon);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color .2s, color .2s;
}

nav.main-nav a:hover,
nav.main-nav a.active {
  color: var(--verde);
  border-color: var(--dorado);
}

.nav-toggle { display: none; }

/* ---------- Botones ---------- */
.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s, background .2s;
}

.btn-primary {
  background: var(--dorado);
  color: var(--blanco);
}
.btn-primary:hover { background: #c98f2c; transform: translateY(-2px); box-shadow: var(--sombra); }

.btn-outline {
  background: transparent;
  border: 2px solid var(--blanco);
  color: var(--blanco);
}
.btn-outline:hover { background: var(--blanco); color: var(--verde-oscuro); }

.btn-secondary {
  background: var(--verde-secundario);
  color: var(--blanco);
}
.btn-secondary:hover { background: #184a2d; }

/* ---------- Hero ---------- */
.hero {
  background:
    linear-gradient(rgba(0,0,0,0.10), rgba(0,0,0,0.10)),
    url('../img/hero-home.jpg');
  background-size: cover;
  background-position: center;
  color: var(--blanco);
  padding: 90px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  display: none;
  content: "";
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(255,218,1,0.25) 0%, transparent 70%);
}

.hero-inner {
  max-width: 700px;
  position: relative;
  z-index: 2;
}

.eyebrow {
  display: inline-block;
  background: rgba(0,0,0,0.20);
  color: var(--blanco);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero h1 {
  color: var(--blanco);
  font-size: 2.6rem;
  margin-bottom: 18px;
}

.hero p {
  font-size: 1.1rem;
  color: #e4ece6;
  margin-bottom: 30px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- Congress banner strip ---------- */
.congress-strip {
  background: var(--verde);
  color: var(--blanco);
  text-align: center;
  padding: 12px 20px;
  font-weight: 700;
  font-size: 0.92rem;
}
.congress-strip a { text-decoration: underline; }

/* ---------- Sections ---------- */
section { padding: 80px 0; }
.section-alt { background: var(--blanco); }

.section-head { max-width: 680px; margin: 0 auto 50px; text-align: center; }
.section-head .eyebrow-dark {
  color: var(--bronce);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.section-head h2 { font-size: 2rem; margin-top: 10px; }
.section-head p { color: var(--gris); margin-top: 14px; }

/* ---------- Cards / grid ---------- */
.grid { display: grid; gap: 28px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--blanco);
  border-radius: var(--radius);
  padding: 32px 26px;
  box-shadow: var(--sombra);
  border: 1px solid #dfe6ec;
}
.card h3 { font-size: 1.15rem; margin-bottom: 12px; }
.card p { color: var(--gris); font-size: 0.96rem; }
.card .icon { font-size: 1.8rem; margin-bottom: 14px; }

/* ---------- Stats ---------- */
.stats {
  background: var(--verde-oscuro);
  color: var(--blanco);
}
.stats .grid-4 { text-align: center; }
.stat-num { font-family: 'Poppins', sans-serif; font-size: 2.4rem; font-weight: 800; color: var(--dorado); }
.stat-label { font-size: 0.9rem; color: #d7e2da; margin-top: 6px; }

/* ---------- Timeline (marco legal) ---------- */
.timeline { position: relative; padding-left: 28px; border-left: 3px solid #EDEDED; }
.timeline-item { margin-bottom: 34px; position: relative; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -37px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--verde);
  border: 3px solid #EDEDED;
}
.timeline-item .year { font-weight: 800; color: var(--verde); font-family: 'Poppins', sans-serif; }

/* ---------- Agenda / Congreso ---------- */
.agenda-day {
  background: var(--blanco);
  border-radius: var(--radius);
  box-shadow: var(--sombra);
  padding: 30px 32px;
  margin-bottom: 26px;
}
.agenda-day h3 { color: var(--verde); border-bottom: 2px solid var(--hueso); padding-bottom: 14px; margin-bottom: 18px; }
.agenda-row { display: flex; gap: 18px; padding: 12px 0; border-bottom: 1px solid #eee; }
.agenda-row:last-child { border-bottom: none; }
.agenda-time { min-width: 130px; font-weight: 700; color: var(--bronce); font-size: 0.9rem; }
.agenda-desc strong { display: block; color: var(--verde-oscuro); }
.agenda-desc span { color: var(--gris); font-size: 0.9rem; }

.eje-tag {
  display: inline-block;
  background: #EAF4EE;
  border: none;
  color: var(--verde-oscuro);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
  margin: 4px 6px 4px 0;
}

/* ---------- Team / Junta directiva ---------- */
.person-card { text-align: center; }
.person-photo {
  width: 100px; height: 100px; border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  border: 3px solid #EDEDED;
  display: block;
}
.person-card h4 { font-size: 1rem; }
.person-card span { color: var(--bronce); font-size: 0.85rem; font-weight: 700; }

/* ---------- Partners ---------- */
.partners-row { display: flex; justify-content: center; align-items: center; gap: 50px; flex-wrap: wrap; opacity: 0.85; }
.partner-pill {
  border: 2px solid var(--verde);
  color: var(--verde);
  font-weight: 800;
  font-family: 'Poppins', sans-serif;
  padding: 10px 22px;
  border-radius: var(--radius);
}

/* ---------- CTA final ---------- */
.cta-final {
  background: linear-gradient(120deg, var(--verde-secundario), var(--verde));
  color: var(--blanco);
  text-align: center;
}
.cta-final h2 { color: var(--blanco); }
.cta-final p { color: var(--blanco); }

/* ---------- Formulario contacto ---------- */
form.contact-form { display: grid; gap: 18px; max-width: 620px; margin: 0 auto; }
.contact-form label { font-weight: 700; font-size: 0.88rem; display: block; margin-bottom: 6px; }
.contact-form input, .contact-form textarea, .contact-form select {
  width: 100%; padding: 12px 14px; border: 1px solid #d8d3ca; border-radius: var(--radius);
  font-family: 'Poppins', sans-serif; font-size: 0.95rem; background: var(--blanco);
}
.contact-form textarea { min-height: 130px; resize: vertical; }

.contact-info { display: grid; gap: 20px; }
.contact-info .item { display: flex; gap: 14px; align-items: flex-start; }
.contact-info .item .label-strong { font-weight: 700; color: var(--verde-oscuro); display: block; }

/* ---------- Footer ---------- */
footer.site-footer {
  background: var(--verde-oscuro);
  color: #d7e2da;
  padding: 60px 0 26px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-grid h4 { color: var(--blanco); font-size: 0.95rem; margin-bottom: 16px; }
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 10px; font-size: 0.9rem; }
.footer-grid a:hover { color: var(--dorado); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 22px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: 0.8rem; color: #9db3a5;
}

/* ---------- Breadcrumb / page header ---------- */
.page-hero {
  background: var(--verde-oscuro);
  color: var(--blanco);
  padding: 60px 0 50px;
}
.page-hero h1 { color: var(--blanco); font-size: 2.1rem; }
.page-hero p.breadcrumb { color: var(--dorado); font-weight: 700; font-size: 0.85rem; letter-spacing: 0.04em; margin-bottom: 12px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 2rem; }
}

@media (max-width: 720px) {
  nav.main-nav { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .agenda-row { flex-direction: column; gap: 4px; }
}