/* ==================================================================
   AULA RURAL SALMERÓN · Design System 2026
   Iron background + Corten accent + TASA Orbiter Display
   Basado en DESIGN-salmeron.md
   ================================================================== */

/* ─── FONTS ──────────────────────────────────────────────── */
@font-face {
  font-family: 'TASA Orbiter Display';
  src: url('../fonts/TASAOrbiter-Regular.ttf') format('truetype');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'TASA Orbiter Display';
  src: url('../fonts/TASAOrbiter-Medium.ttf') format('truetype');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'TASA Orbiter Display';
  src: url('../fonts/TASAOrbiter-SemiBold.ttf') format('truetype');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'TASA Orbiter Display';
  src: url('../fonts/TASAOrbiter-Bold.ttf') format('truetype');
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Raleway';
  src: url('../fonts/Raleway-VariableFont_wght.ttf') format('truetype');
  font-weight: 100 900; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Raleway';
  src: url('../fonts/Raleway-Italic-VariableFont_wght.ttf') format('truetype');
  font-weight: 100 900; font-style: italic; font-display: swap;
}

/* ─── DESIGN TOKENS ──────────────────────────────────────── */
:root {
  --font-display: 'TASA Orbiter Display', 'Arial Black', sans-serif;
  --font-body:    'Raleway', Arial, sans-serif;

  --color-iron:         #212122;
  --color-corten:       #eb5e50;
  --color-white:        #ffffff;

  --color-steel:        #20314b;
  --color-green-oxide:  #233c39;
  --color-bronze:       #47313b;

  --color-iron-deep:    #1a1a1b;
  --color-iron-glass:   rgba(33, 33, 34, 0.72);
  --color-iron-elevated:#2a2a2c;

  --color-silver:           rgba(252, 252, 252, 0.60);
  --color-silver-muted:     rgba(252, 252, 252, 0.48);
  --color-silver-ghost:     rgb(123, 123, 128);

  --color-corten-soft:  rgba(235, 94, 80, 0.12);
  --color-corten-glow:  rgba(235, 94, 80, 0.25);

  --color-dark-chip:    rgb(57, 57, 59);
  --color-dark-chip-border: rgb(32, 39, 49);
  --color-dark-input-border: rgb(81, 81, 84);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-pill: 100px;

  --shadow-l2: 0 4px 20px rgba(0, 0, 0, 0.30);
  --shadow-l3: 0 20px 60px rgba(0, 0, 0, 0.50);
  --shadow-l4: 0 8px 24px rgba(235, 94, 80, 0.25);
  --shadow-l4-hover: 0 10px 30px rgba(235, 94, 80, 0.35);

  --border-l1: 1px solid rgba(255, 255, 255, 0.06);
  --border-l2: 1px solid rgba(255, 255, 255, 0.08);

  --ease-brand: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --dur-fast: 0.15s;
  --dur-base: 0.25s;
  --dur-slow: 0.60s;

  --grad-corten-btn: linear-gradient(180deg, #f07264 0%, #eb5e50 100%);

  --container-max: 1280px;
  --container-pad: 24px;
}

/* ─── RESETS ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--color-iron);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

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

a { color: var(--color-corten); text-decoration: none; transition: color var(--dur-fast) ease; }
a:hover { color: #f07264; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* ─── NAVBAR FLOTANTE PILL ─────────────────────────── */
.site-header {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: min(1290px, calc(100vw - 40px));
  max-width: calc(100vw - 40px);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
  padding: 0 10px 0 24px;
  background: var(--color-dark-chip);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border: 1px solid var(--color-dark-chip-border);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-l3);
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
  height: 100%;
}
.logo img { height: 28px; width: auto; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 0;
}

.main-nav a {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 15px;
  color: var(--color-silver);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  transition: color var(--dur-fast) ease, background var(--dur-fast) ease;
}

.main-nav a:hover { color: var(--color-white); }

.main-nav a.btn-admin {
  background: var(--grad-corten-btn);
  color: var(--color-white) !important;
  box-shadow: var(--shadow-l4);
  padding: 10px 20px;
  font-weight: 500;
  margin-left: 8px;
}
.main-nav a.btn-admin:hover {
  box-shadow: var(--shadow-l4-hover);
  transform: translateY(-1px);
}

.main-nav a.btn-admin-ghost {
  border: 1px solid rgba(255,255,255,0.20);
  color: var(--color-white);
  padding: 10px 20px;
  margin-left: 8px;
}
.main-nav a.btn-admin-ghost:hover {
  background: rgba(255,255,255,0.06);
}

main { padding-top: 110px; }

/* ─── HERO ───────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 100px;
  text-align: center;
  overflow: hidden;
  background: linear-gradient(rgb(33,33,34) 0%, rgba(33,33,34,0) 94%), var(--color-iron);
}

.hero::before,
.hero::after {
  content: '';
  position: absolute;
  pointer-events: none;
  background-repeat: no-repeat;
  background-size: contain;
  opacity: 0.18;
  filter: blur(0.5px);
}
.hero::before {
  background-image: url('../img/logos/elvia/Isotipo_E_color.svg');
  width: 28%;
  height: 60%;
  left: -4%;
  top: 10%;
  transform: rotate(-12deg);
}
.hero::after {
  background-image: url('../img/logos/fabria/Isotipo_F_color.svg');
  width: 26%;
  height: 55%;
  right: -3%;
  top: 15%;
  transform: rotate(10deg);
}

.hero-halo {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 55% at 50% 55%, rgba(235,94,80,0.22) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 40%, black 40%, transparent 80%);
  mask-image: radial-gradient(ellipse 60% 50% at 50% 40%, black 40%, transparent 80%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
}

.section-chip, .hero-label {
  display: inline-flex;
  align-items: center;
  padding: 6px 20px;
  background: var(--color-dark-chip);
  color: var(--color-corten);
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 14px;
  line-height: 1.3;
  backdrop-filter: blur(17px);
  -webkit-backdrop-filter: blur(17px);
  margin-bottom: 32px;
  text-transform: none;
  letter-spacing: 0;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(40px, 5.5vw, 68px);
  line-height: 1.20;
  letter-spacing: -0.01em;
  color: var(--color-white);
  margin-bottom: 24px;
  text-wrap: balance;
}
.hero h1 .accent { color: var(--color-corten); }

.hero p {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 18px;
  line-height: 1.55;
  color: rgba(255,255,255,0.65);
  max-width: 560px;
  margin: 0 auto 48px;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  background: var(--grad-corten-btn);
  color: var(--color-white);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 16px;
  text-decoration: none;
  box-shadow: var(--shadow-l4);
  transition: all var(--dur-base) var(--ease-brand);
}
.hero-cta:hover {
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-l4-hover);
}

/* ─── SECCIONES ──────────────────────────────────── */
section { padding: 100px 0; position: relative; }
@media (max-width: 900px) { section { padding: 64px 0; } }

.section-label {
  display: inline-flex;
  align-items: center;
  padding: 6px 20px;
  background: var(--color-dark-chip);
  color: var(--color-corten);
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 14px;
  margin-bottom: 24px;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(36px, 4.5vw, 56px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--color-white);
  margin-bottom: 16px;
  text-wrap: balance;
}

.section-desc {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.55;
  color: var(--color-silver);
  max-width: 640px;
  margin-bottom: 48px;
}

/* ─── ACTIVITY CARDS ─────────────────────────────── */
.activities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.activity-card {
  background: var(--color-iron-deep);
  border: var(--border-l1);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: var(--color-white);
  display: block;
  transition: all var(--dur-base) var(--ease-brand);
}

.activity-card:hover {
  border-color: rgba(255,255,255,0.12);
  transform: translateY(-4px);
  box-shadow: var(--shadow-l2);
  color: var(--color-white);
}

.activity-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--activity-color, var(--color-corten));
  opacity: 0.8;
}

.activity-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

.activity-code {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(235,94,80,0.40);
  color: var(--color-corten);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
  background: transparent;
}

.activity-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.25;
  color: var(--color-white);
  margin-bottom: 10px;
}

.activity-card p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.55;
  color: var(--color-silver);
  margin-bottom: 16px;
}

.activity-meta {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--color-silver-muted);
  padding-top: 16px;
  border-top: var(--border-l2);
  letter-spacing: 0.02em;
}

/* ─── NOVEDADES ──────────────────────────────────── */
.novedades {
  background: var(--color-iron);
  border-top: var(--border-l1);
  border-bottom: var(--border-l1);
}

.novedades-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.novedad {
  background: var(--color-iron-deep);
  border: var(--border-l1);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--dur-base) var(--ease-brand);
}
.novedad:hover {
  border-color: rgba(255,255,255,0.12);
  transform: translateY(-2px);
}

.novedad img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

.novedad-fecha {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  color: var(--color-corten);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.novedad h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  line-height: 1.3;
  color: var(--color-white);
  margin-bottom: 12px;
}

.novedad p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.55;
  color: var(--color-silver);
}

/* ─── DETALLE ACTIVIDAD ──────────────────────────── */
.activity-header {
  padding: 100px 0 60px;
  background: radial-gradient(ellipse 80% 70% at 50% 0%, var(--halo-color, rgba(235,94,80,0.35)) 0%, transparent 60%), var(--color-iron);
  border-bottom: var(--border-l1);
}

.activity-header .badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 20px;
  border-radius: var(--radius-pill);
  background: var(--color-dark-chip);
  color: var(--color-corten);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.02em;
  margin-bottom: 20px;
}

.activity-header h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(40px, 5vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--color-white);
  margin-bottom: 20px;
}

.activity-header p {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.55;
  color: var(--color-silver);
  max-width: 720px;
}

.activity-body {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 48px;
  padding: 60px 0;
}
@media (max-width: 900px) {
  .activity-body { grid-template-columns: 1fr; gap: 32px; }
}

/* Sesiones (acordeón) */
.sesion {
  background: var(--color-iron-deep);
  border: var(--border-l1);
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color var(--dur-base) ease;
}
.sesion:hover { border-color: rgba(255,255,255,0.12); }

.sesion-header {
  padding: 20px 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: background var(--dur-fast) ease;
}
.sesion-header:hover { background: rgba(255,255,255,0.02); }

.sesion-number {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-corten-soft);
  border: 1px solid rgba(235,94,80,0.40);
  color: var(--color-corten);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  margin-right: 16px;
  flex-shrink: 0;
}

.sesion-title {
  flex: 1;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 17px;
  color: var(--color-white);
}

.sesion-toggle {
  color: var(--color-silver);
  font-size: 24px;
  font-weight: 300;
  transition: transform var(--dur-base) ease;
}
.sesion.open .sesion-toggle { transform: rotate(45deg); color: var(--color-corten); }

.sesion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur-base) ease;
}
.sesion.open .sesion-content { max-height: 4000px; transition: max-height var(--dur-slow) ease; }

.sesion-content-inner {
  padding: 8px 24px 28px;
  border-top: var(--border-l1);
  color: var(--color-silver);
  font-size: 15px;
  line-height: 1.7;
}
.sesion-content-inner h3 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-white);
  margin: 24px 0 12px;
  font-size: 18px;
}
.sesion-content-inner p { margin-bottom: 12px; }
.sesion-content-inner ul, .sesion-content-inner ol { margin: 12px 0 12px 24px; }
.sesion-content-inner li { margin-bottom: 6px; }
.sesion-content-inner strong { color: var(--color-white); font-weight: 600; }

.reto {
  background: var(--color-corten-soft);
  border-left: 3px solid var(--color-corten);
  padding: 16px 20px;
  margin-top: 24px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.reto-label {
  font-family: var(--font-display);
  font-size: 11px;
  color: var(--color-corten);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

/* ─── SIDEBAR ────────────────────────────────────── */
.activity-sidebar {
  position: sticky;
  top: 110px;
  align-self: start;
}

.sidebar-box {
  background: var(--color-iron-deep);
  border: var(--border-l1);
  padding: 24px;
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
}

.sidebar-box h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 12px;
  color: var(--color-corten);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 16px;
}

.sidebar-box ul { list-style: none; }
.sidebar-box li {
  padding: 10px 0;
  border-bottom: var(--border-l1);
  font-size: 14px;
  color: var(--color-silver);
}
.sidebar-box li:last-child { border-bottom: none; }
.sidebar-box li a {
  color: var(--color-white);
  display: block;
  transition: color var(--dur-fast) ease;
}
.sidebar-box li a:hover { color: var(--color-corten); }

/* ─── BUTTONS ────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 14px;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-brand);
  text-decoration: none;
  line-height: 1;
  background: var(--grad-corten-btn);
  color: var(--color-white);
  box-shadow: 0 1px 0 rgba(255,255,255,0.12) inset, var(--shadow-l4);
}

.btn:hover {
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-l4-hover);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.24);
  box-shadow: none;
}
.btn-secondary:hover {
  color: var(--color-white);
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.40);
  transform: none;
  box-shadow: none;
}

.btn-block { display: flex; width: 100%; }
.btn-small { padding: 8px 14px; font-size: 12px; }

/* ─── RECURSOS ───────────────────────────────────── */
.recursos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 48px;
}

.recurso {
  background: var(--color-iron-deep);
  border: var(--border-l1);
  padding: 24px;
  border-radius: var(--radius-lg);
  transition: all var(--dur-base) var(--ease-brand);
  text-decoration: none;
  color: var(--color-white);
  display: block;
}
.recurso:hover {
  border-color: rgba(255,255,255,0.12);
  transform: translateY(-2px);
  color: var(--color-white);
}

.recurso-tipo {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-corten-soft);
  color: var(--color-corten);
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.recurso h4 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 17px;
  line-height: 1.3;
  color: var(--color-white);
  margin-bottom: 8px;
}

.recurso p {
  font-size: 13px;
  color: var(--color-silver);
  margin-top: 8px;
  line-height: 1.5;
}

.recurso-meta {
  font-size: 11px;
  color: var(--color-silver-muted);
  margin-top: 14px;
  padding-top: 14px;
  border-top: var(--border-l1);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

/* ─── GALERÍA ────────────────────────────────────── */
.galeria-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
  margin-top: 48px;
}

.galeria-item {
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--radius-lg);
  cursor: pointer;
  position: relative;
  background: var(--color-iron-deep);
}

.galeria-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-brand);
}
.galeria-item:hover img { transform: scale(1.05); }

/* ─── FLASH ──────────────────────────────────────── */
.flash-container {
  max-width: var(--container-max);
  margin: 110px auto 0;
  padding: 0 24px;
}
main .flash-container { margin-top: 0; }

.flash {
  padding: 14px 20px;
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  font-size: 14px;
  font-weight: 500;
  backdrop-filter: blur(12px);
}
.flash-success { background: rgba(76, 175, 80, 0.15); color: #a5d6a7; border-left: 3px solid #4caf50; }
.flash-error   { background: rgba(244, 67, 54, 0.15); color: #ef9a9a; border-left: 3px solid #f44336; }
.flash-info    { background: rgba(33, 150, 243, 0.15); color: #90caf9; border-left: 3px solid #2196f3; }
.flash-warning { background: rgba(255, 152, 0, 0.15); color: #ffcc80; border-left: 3px solid #ff9800; }

/* ─── FOOTER ─────────────────────────────────────── */
.site-footer {
  background: var(--color-iron);
  border-top: var(--border-l1);
  padding: 80px 0 0;
  margin-top: 80px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

.footer-brand img {
  height: 32px;
  width: auto;
  margin-bottom: 16px;
}
.footer-tagline {
  color: var(--color-corten);
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer-links h4 {
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--color-corten);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 16px;
  font-weight: 600;
}

.footer-links a {
  display: block;
  color: var(--color-silver);
  padding: 4px 0;
  font-size: 14px;
  transition: color var(--dur-fast) ease;
}
.footer-links a:hover { color: var(--color-white); }

.footer-bottom {
  border-top: var(--border-l1);
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--color-silver-muted);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
@media (max-width: 768px) {
  .footer-bottom .container { flex-direction: column; gap: 8px; text-align: center; }
}

/* ─── FORMS ──────────────────────────────────────── */
.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 14px;
  color: var(--color-white);
}

.form-control {
  width: 100%;
  padding: 14px 20px;
  background: rgba(15, 18, 23, 0.4);
  border: 1px solid var(--color-dark-input-border);
  border-radius: var(--radius-pill);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 14px;
  transition: border-color var(--dur-fast) ease;
}
.form-control::placeholder { color: var(--color-silver-ghost); }
.form-control:focus { outline: none; border-color: rgba(235,94,80,0.60); }

textarea.form-control {
  resize: vertical;
  min-height: 120px;
  border-radius: var(--radius-xl);
}

.form-hint {
  font-size: 12px;
  color: var(--color-silver-muted);
  margin-top: 8px;
}

/* ─── PÁGINAS ESTÁTICAS ──────────────────────────── */
.page-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

.page-content h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(40px, 5vw, 56px);
  color: var(--color-white);
  margin-bottom: 32px;
  letter-spacing: -0.01em;
}

.page-content h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 28px;
  color: var(--color-white);
  margin: 48px 0 16px;
}

.page-content h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 22px;
  color: var(--color-white);
  margin: 32px 0 12px;
}

.page-content p {
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-silver);
  margin-bottom: 16px;
}

.page-content strong { color: var(--color-white); font-weight: 600; }

.page-content ul, .page-content ol {
  margin: 16px 0 16px 24px;
  color: var(--color-silver);
}
.page-content li { margin-bottom: 10px; line-height: 1.7; }

.page-content a {
  color: var(--color-corten);
  border-bottom: 1px solid rgba(235,94,80,0.40);
  padding-bottom: 1px;
}
.page-content a:hover { border-bottom-color: var(--color-corten); }

/* ─── RESPONSIVE ─────────────────────────────────── */
@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 10px 16px;
    gap: 8px;
    border-radius: var(--radius-lg);
  }
  .site-header {
    top: 10px;
    width: calc(100vw - 20px);
    max-width: calc(100vw - 20px);
  }
  .main-nav {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: 4px;
  }
  .main-nav a {
    font-size: 13px;
    padding: 6px 10px;
  }
  main { padding-top: 140px; }
  .hero { padding: 60px 24px; min-height: 70vh; }
  .hero::before, .hero::after { display: none; }
  .activities-grid { grid-template-columns: 1fr; }
}