/* ═══════════════════════════════════════════════════════════════
   ARKEN ACADEMY — Hoja de estilos de la zona privada
   ═══════════════════════════════════════════════════════════════ */

/* ─────────── Tokens de diseño ─────────── */
:root{
  color-scheme: dark;
  --bg:        #0a0b0c;
  --bg-2:      #0f1113;
  --surface:   #15181b;
  --text:      #e8e2d5;
  --text-mute: #8d8878;
  --text-dim:  #5a564d;
  --accent:    #c9a876;
  --accent-2:  #a0855a;
  --rule:      #22262a;
  --rule-2:    #353a3f;
  --error:     #c76a6a;
  --success:   #7aa876;
  box-sizing: border-box;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
*,*::before,*::after{ box-sizing: inherit; }

html{
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-weight: 300;
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0.005em;
  min-height: 100vh;
}

a{ color: inherit; text-decoration: none; }
button{ font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
img{ max-width: 100%; display: block; }

/* ─────────── Tipografía ─────────── */
.display{
  font-family: 'Cormorant Garamond', 'Times New Roman', serif;
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.08;
}
.display em{ font-style: italic; color: var(--accent); }
.mono{ font-family: 'JetBrains Mono', ui-monospace, monospace; }
.eyebrow{
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--text-mute);
  text-transform: lowercase;
}

/* ─────────── Layout ─────────── */
.wrap{ width: min(1180px, 100% - 48px); margin-inline: auto; }
@media (max-width: 640px){ .wrap{ width: min(1180px, 100% - 32px); } }

.wrap-narrow{ width: min(720px, 100% - 48px); margin-inline: auto; }
@media (max-width: 640px){ .wrap-narrow{ width: min(720px, 100% - 32px); } }

section{ padding: 80px 0; position: relative; }

/* ─────────── Nav simple (zona pública) ─────────── */
.nav-simple{
  padding: 32px 0;
  border-bottom: 1px solid var(--rule);
}
.nav-simple .wrap{
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand{
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  letter-spacing: 0.22em;
  color: var(--text);
}
.nav-back{
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-mute);
  letter-spacing: 0.1em;
  transition: color .25s ease;
}
.nav-back:hover{ color: var(--accent); }

/* ─────────── Encabezado de página ─────────── */
.page-head{
  text-align: center;
  margin-bottom: 56px;
}
.page-head .eyebrow{ display: block; margin-bottom: 20px; }
.page-head h1{
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: clamp(32px, 5vw, 52px);
  margin: 0 auto 20px;
  max-width: 20ch;
  letter-spacing: -0.015em;
  line-height: 1.1;
}
.page-head h1 em{ font-style: italic; color: var(--accent); }
.page-head p{
  color: var(--text-mute);
  max-width: 56ch;
  margin: 0 auto;
  font-size: 16px;
}

/* ─────────── Formulario ─────────── */
.form{
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.form-group{
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-group label{
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-mute);
  text-transform: uppercase;
}

.form-group label .required{
  color: var(--accent);
  margin-left: 4px;
}

.form-group .hint{
  font-size: 13px;
  color: var(--text-dim);
  margin-top: -2px;
}

input[type="text"],
input[type="email"],
input[type="number"],
select,
textarea{
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-2);
  border: 1px solid var(--rule);
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  font-weight: 300;
  transition: border-color .25s ease, background .25s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus{
  outline: none;
  border-color: var(--accent);
  background: var(--surface);
}

textarea{
  resize: vertical;
  min-height: 110px;
  line-height: 1.55;
}

select{
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238d8878' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
  padding-right: 44px;
}

/* ─────────── Grupo de checkboxes personalizados ─────────── */
.checkbox-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
@media (max-width: 540px){
  .checkbox-grid{ grid-template-columns: 1fr; }
}

.checkbox-item{
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--bg-2);
  border: 1px solid var(--rule);
  cursor: pointer;
  transition: all .2s ease;
  font-size: 14px;
}
.checkbox-item:hover{ border-color: var(--rule-2); }

.checkbox-item input[type="checkbox"]{
  appearance: none;
  width: 16px;
  height: 16px;
  border: 1px solid var(--rule-2);
  background: var(--bg);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: all .2s ease;
}
.checkbox-item input[type="checkbox"]:checked{
  background: var(--accent);
  border-color: var(--accent);
}
.checkbox-item input[type="checkbox"]:checked::after{
  content: "✓";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #15110a;
  font-size: 12px;
  font-weight: 600;
}
.checkbox-item:has(input:checked){
  border-color: var(--accent);
  background: color-mix(in oklab, var(--accent) 8%, transparent);
}

/* ─────────── Botones ─────────── */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  font-size: 14px;
  letter-spacing: 0.03em;
  border: 1px solid transparent;
  transition: all .25s ease;
  cursor: pointer;
  font-family: inherit;
}
.btn-primary{
  background: var(--accent);
  color: #15110a;
  font-weight: 500;
}
.btn-primary:hover{
  background: color-mix(in oklab, var(--accent) 85%, white);
}
.btn-primary:disabled{
  background: var(--rule-2);
  color: var(--text-dim);
  cursor: not-allowed;
}
.btn-ghost{
  border-color: var(--rule-2);
  color: var(--text);
}
.btn-ghost:hover{
  border-color: var(--text);
}
.btn .arrow{ transition: transform .25s ease; }
.btn:hover:not(:disabled) .arrow{ transform: translateX(4px); }

.btn-row{
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 16px;
}

/* ─────────── Mensajes de feedback ─────────── */
.alert{
  padding: 16px 20px;
  border: 1px solid var(--rule);
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 24px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.alert-error{
  border-color: var(--error);
  background: color-mix(in oklab, var(--error) 10%, transparent);
  color: color-mix(in oklab, var(--error) 70%, white);
}
.alert-success{
  border-color: var(--success);
  background: color-mix(in oklab, var(--success) 10%, transparent);
  color: color-mix(in oklab, var(--success) 70%, white);
}
.alert .icon{
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
}

/* ─────────── Footer simple ─────────── */
.footer-simple{
  padding: 40px 0;
  border-top: 1px solid var(--rule);
  color: var(--text-dim);
  font-size: 12px;
  text-align: center;
  margin-top: 80px;
}

/* ─────────── Focus visible ─────────── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ─────────── Loading spinner (para botones) ─────────── */
.spinner{
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin{ to{ transform: rotate(360deg); } }

/* ─────────── Fuentes Google ─────────── */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;1,400&family=Inter:wght@300;400;500&family=JetBrains+Mono:wght@400;500&display=swap');