/*
Theme Name: OpenClaw Edu
Theme URI: https://tutorialopenclaw.com
Author: OpenClaw
Description: Tema a medida para enseñar OpenClaw a usuarios no técnicos. Estilo claro moderno tipo Notion con la paleta oficial de OpenClaw (coral + cyan), Clash Display y Satoshi. Integra Tutor LMS.
Version: 1.1.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
Text Domain: openclaw-edu
*/

:root {
  --bg-deep: #fcfeff;
  --bg-surface: #ffffff;
  --bg-elevated: #ffffff;
  --bg-soft: #f7f9fc;
  --coral-bright: #ff4d4d;
  --coral-mid: #e63946;
  --coral-dark: #991b1b;
  --coral-soft: #fff1f1;
  --coral-border: #ffd9d9;
  --cyan-bright: #00e5cc;
  --cyan-mid: #14b8a6;
  --text-primary: #1a2233;
  --text-secondary: #34405a;
  --text-muted: #5a6480;
  --text-faint: #8892b0;
  --border-subtle: #e7ebf3;
  --border-soft: #eef1f7;
  --coral-glow: rgba(255, 77, 77, .28);
  --font-display: "Clash Display", system-ui, -apple-system, sans-serif;
  --font-body: "Satoshi", system-ui, -apple-system, sans-serif;
  --maxw: 1100px;
  --radius: 12px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 .5em;
  color: var(--text-primary);
}

a { color: var(--coral-mid); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.label {
  display: inline-block;
  color: var(--coral-bright);
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 600;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 10px;
  font-weight: 700;
  font-family: var(--font-body);
  font-size: 15px;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-coral {
  background: linear-gradient(135deg, var(--coral-bright), var(--coral-mid));
  color: #fff;
  box-shadow: 0 8px 24px var(--coral-glow);
}
.btn-cyan {
  background: var(--coral-bright);
  color: #fff;
  box-shadow: 0 8px 24px var(--coral-glow);
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-subtle);
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; }
.brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  background: linear-gradient(135deg, var(--coral-bright), var(--coral-dark));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.brand:hover { text-decoration: none; }
.nav-menu { display: flex; gap: 22px; list-style: none; margin: 0; padding: 0; }
.nav-menu a { color: var(--text-secondary); font-size: 15px; font-weight: 500; }
.nav-menu a:hover { color: var(--coral-bright); text-decoration: none; }
.nav-toggle { display: none; background: none; border: 0; color: var(--text-primary); font-size: 26px; cursor: pointer; }

/* ---------- Hero ---------- */
.hero { text-align: center; padding: 90px 0 70px; }
.hero h1 {
  font-size: clamp(34px, 6vw, 56px);
  background: linear-gradient(135deg, var(--text-primary) 40%, var(--coral-bright));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p { color: var(--text-secondary); max-width: 560px; margin: 18px auto 28px; font-size: 19px; }

/* ---------- Sections ---------- */
.section { padding: 64px 0; }
.section--surface { background: var(--bg-soft); }
.section-title { text-align: center; font-size: clamp(26px, 4vw, 36px); margin-bottom: 8px; }
.section-lead { text-align: center; color: var(--text-secondary); max-width: 620px; margin: 0 auto 40px; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 1px 3px rgba(26,34,51,.04);
}
.step-num { font-family: var(--font-display); font-size: 30px; font-weight: 800; color: var(--coral-bright); }
.step h3 { margin: 10px 0 6px; font-size: 19px; }
.step p { color: var(--text-secondary); margin: 0; font-size: 15px; }

/* ---------- Cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(26,34,51,.04);
  transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--coral-border); box-shadow: 0 10px 30px rgba(26,34,51,.08); }
.card a { color: inherit; }
.card a:hover { text-decoration: none; }
.card-thumb { height: 150px; background: linear-gradient(135deg, rgba(255,77,77,.10), rgba(0,229,204,.06)); }
.card-thumb img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 18px; }
.card-body h3 { font-size: 17px; margin: 0 0 6px; }
.card-meta { color: var(--text-faint); font-size: 13px; }
.card-excerpt { color: var(--text-secondary); font-size: 14px; margin-top: 8px; }

.section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.section-head h2 { margin: 0; }
.empty-note { text-align: center; color: var(--text-muted); border: 1px dashed var(--border-subtle); border-radius: var(--radius); padding: 40px; background: var(--bg-surface); }

/* ---------- CTA ---------- */
.cta { text-align: center; padding: 80px 0; background: linear-gradient(135deg, rgba(255,77,77,.06) 0%, var(--bg-surface) 55%, rgba(0,229,204,.05) 100%); }
.cta h2 { font-size: clamp(24px, 4vw, 34px); }
.cta p { color: var(--text-secondary); margin: 12px 0 24px; }

/* ---------- Content (single / page) ---------- */
.content-wrap { max-width: 760px; margin: 0 auto; padding: 60px 24px; }
.content-wrap h1 { font-size: clamp(30px, 5vw, 44px); margin-bottom: 12px; }
.entry-meta { color: var(--text-faint); font-size: 14px; margin-bottom: 32px; }
.entry-content { font-size: 18px; color: var(--text-secondary); }
.entry-content h2 { margin-top: 1.6em; color: var(--text-primary); }
.entry-content a { text-decoration: underline; }
.entry-content img { border-radius: var(--radius); margin: 1.5em 0; }
.entry-content blockquote { border-left: 3px solid var(--coral-bright); margin: 1.5em 0; padding: .6em 1.2em; color: var(--text-secondary); background: var(--coral-soft); border-radius: 0 8px 8px 0; }
.entry-content code { background: var(--bg-soft); padding: 2px 7px; border-radius: 6px; font-size: .9em; }
.back-link { display: inline-block; margin-bottom: 24px; color: var(--text-muted); }

.archive-head { text-align: center; padding: 60px 0 20px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border-subtle); padding: 32px 0; text-align: center; color: var(--text-faint); font-size: 14px; }

/* =========================================================
   TUTOR LMS — restyle a la paleta clara / estilo Notion
   ========================================================= */
.tutor-wrap, .tutor-course-single, body.tutor-lesson-template {
  font-family: var(--font-body);
}
/* Botones de Tutor */
.tutor-btn-primary, .tutor-btn.tutor-btn-primary {
  background: linear-gradient(135deg, var(--coral-bright), var(--coral-mid)) !important;
  border-color: var(--coral-mid) !important;
  color: #fff !important;
  border-radius: 9px !important;
}
.tutor-btn-primary:hover { box-shadow: 0 8px 24px var(--coral-glow) !important; }
.tutor-btn-outline-primary { color: var(--coral-mid) !important; border-color: var(--coral-border) !important; border-radius: 9px !important; }

/* Acentos de color de marca */
a.tutor-color-primary, .tutor-color-primary, .tutor-fs-7.tutor-color-primary { color: var(--coral-mid) !important; }
.tutor-progress-bar span, .tutor-progress-value { background-color: var(--coral-bright) !important; }
.tutor-ratings-stars i.tutor-icon-star-bold { color: var(--coral-bright) !important; }

/* Currículo del curso (acordeón de módulos) */
.tutor-course-topic, .tutor-accordion-item { border: 1px solid var(--border-subtle) !important; border-radius: var(--radius) !important; overflow: hidden; margin-bottom: 12px; background: var(--bg-surface); }
.tutor-course-topic-title, .tutor-accordion-item-header { background: var(--bg-soft) !important; font-family: var(--font-display); font-weight: 600; }
.tutor-course-content-list a, .tutor-course-topic .tutor-course-content-list-item { color: var(--text-secondary) !important; }

/* Reproductor de lección: sidebar */
.tutor-course-single-sidebar, .tutor-lesson-sidebar, #tutor-single-entry-sidebar {
  background: var(--bg-soft) !important;
  border-right: 1px solid var(--border-subtle) !important;
}
.tutor-course-spotlight-wrapper, .tutor-lesson-wrapper { background: var(--bg-deep) !important; }
.tutor-course-topic-item.is-active, .tutor-course-content-list-item.is-active, .active > .tutor-course-content-list-item {
  background: var(--coral-soft) !important;
  border: 1px solid var(--coral-border) !important;
  border-radius: 8px !important;
  color: var(--coral-bright) !important;
}

/* Tarjetas de curso en el archivo */
.tutor-card { border: 1px solid var(--border-subtle) !important; border-radius: var(--radius) !important; box-shadow: 0 1px 3px rgba(26,34,51,.04) !important; }
.tutor-card:hover { box-shadow: 0 10px 30px rgba(26,34,51,.08) !important; }

/* Contenido de la lección como un doc tipo Notion */
.tutor-lesson-content, .tutor-course-spotlight-content { max-width: 760px; margin: 0 auto; }
.tutor-lesson-content h2 { font-family: var(--font-display); }

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .steps, .cards { grid-template-columns: 1fr; }
  .nav-menu {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; gap: 0; background: var(--bg-surface);
    border-bottom: 1px solid var(--border-subtle); padding: 12px 24px;
  }
  .nav-menu.open { display: flex; }
  .nav-menu li { padding: 10px 0; border-bottom: 1px solid var(--border-soft); }
  .nav-toggle { display: block; }
}