/*** ============================================
   🖨️ Servicio Impresión 3D - IES Cabrera Pinto
   🎨 Glassmorphism Dark Theme v2
   ============================================ ***/

/* Tipografías servidas desde este mismo servidor (nada de Google Fonts) */
@font-face { font-family: 'Montserrat'; font-style: normal; font-weight: 700; font-display: swap; src: url('fonts/montserrat-700.woff2') format('woff2'); }
@font-face { font-family: 'Montserrat'; font-style: normal; font-weight: 800; font-display: swap; src: url('fonts/montserrat-800.woff2') format('woff2'); }
@font-face { font-family: 'Montserrat'; font-style: normal; font-weight: 900; font-display: swap; src: url('fonts/montserrat-900.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 400; font-display: swap; src: url('fonts/inter-400.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 500; font-display: swap; src: url('fonts/inter-500.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 600; font-display: swap; src: url('fonts/inter-600.woff2') format('woff2'); }

:root {
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-hover: rgba(255, 255, 255, 0.09);
  --accent: #e8751a;
  --accent-light: #f5973e;
  --accent-glow: rgba(232, 117, 26, 0.25);
  --text: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.72);
  --text-light: rgba(255, 255, 255, 0.45);
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --radius: 16px;
  --max-width: 1200px;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: #0a0e17;
  background-image:
    radial-gradient(ellipse at 15% 25%, rgba(16, 185, 129, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 75%, rgba(232, 117, 26, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 0%, rgba(59, 130, 246, 0.04) 0%, transparent 45%);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ========== NAVBAR ========== */
nav {
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: white;
  text-decoration: none;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.nav-logo img { height: 38px; width: auto; border-radius: 6px; }

.nav-links {
  display: flex;
  gap: 0.2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.4rem 0.85rem;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s;
  border: 1px solid transparent;
}

.nav-links a:hover {
  color: white;
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.08);
}

.nav-links a.active {
  color: white;
  background: rgba(232, 117, 26, 0.12);
  border-color: rgba(232, 117, 26, 0.2);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 8px;
}
.nav-toggle:hover { background: rgba(255,255,255,0.06); }

/* ========== HERO ========== */
.hero {
  text-align: center;
  padding: 8rem 2rem 7rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232,117,26,0.06) 0%, transparent 70%);
  top: -200px;
  right: -200px;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(16,185,129,0.04) 0%, transparent 70%);
  bottom: -150px;
  left: -150px;
  pointer-events: none;
}

.hero h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: 3.8rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  margin-bottom: 1rem;
  line-height: 1.05;
  text-transform: uppercase;
  background: linear-gradient(135deg, #ffffff 30%, rgba(255,255,255,0.5) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s;
  cursor: pointer;
  border: none;
  font-size: 0.9rem;
  font-family: 'Inter', sans-serif;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: white;
  box-shadow: 0 4px 20px rgba(232,117,26,0.25);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(232,117,26,0.35); }

.btn-outline {
  background: rgba(255,255,255,0.04);
  color: white;
  border: 1px solid rgba(255,255,255,0.12);
}
.btn-outline:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.2); transform: translateY(-3px); }

/* ========== CONTAINER ========== */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 2rem; }
section { padding: 5.5rem 0; }

/* ========== SECTION TITLES ========== */
.section-title { text-align: center; margin-bottom: 3.5rem; }
.section-title h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  background: linear-gradient(135deg, #ffffff 40%, rgba(255,255,255,0.5) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-title p { color: var(--text-light); max-width: 550px; margin: 0 auto; font-size: 1rem; }

/* ========== GLASS CARDS ========== */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.card {
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  background: var(--glass-bg);
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid var(--glass-border);
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}

.card:hover { transform: translateY(-6px); background: var(--glass-hover); border-color: rgba(255,255,255,0.12); box-shadow: 0 12px 40px rgba(0,0,0,0.3); }
.card:hover::before { opacity: 1; }

.card h3 { font-family: 'Montserrat', sans-serif; font-size: 1.1rem; font-weight: 800; margin-bottom: 0.5rem; color: white; text-transform: uppercase; letter-spacing: -0.01em; }
.card p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.65; }

/* ========== IMPRESORAS ========== */
.printer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }

.printer-card {
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  background: var(--glass-bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  transition: all 0.3s;
}
.printer-card:hover { transform: translateY(-4px); background: var(--glass-hover); }

.printer-header { padding: 1.25rem 1.5rem; display: flex; align-items: center; gap: 1rem; border-bottom: 1px solid rgba(255,255,255,0.05); }
.printer-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; position: relative; }
.printer-dot.online { background: var(--success); box-shadow: 0 0 10px rgba(16,185,129,0.5); }
.printer-dot.offline { background: var(--danger); }
.estado-camara { font-weight: 600; }
.estado-camara[data-estado="on"] { color: var(--success); }
.estado-camara[data-estado="off"] { color: var(--danger); }

.printer-name { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 1rem; color: white; }

.printer-body { padding: 1.25rem 1.5rem; }
.printer-body p { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 0.3rem; }
.printer-body .label { font-weight: 600; color: var(--text); }

/* ========== STATS ========== */
.stats-section { text-align: center; position: relative; background: linear-gradient(180deg, transparent 0%, rgba(232,117,26,0.03) 50%, transparent 100%); }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 3rem; }
.stat-number { font-family: 'Montserrat', sans-serif; font-size: 3.2rem; font-weight: 900; letter-spacing: -0.04em; background: linear-gradient(135deg, var(--accent), var(--accent-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { color: var(--text-secondary); margin-top: 0.3rem; font-size: 0.95rem; }

/* ========== FORM ========== */
.form-container {
  max-width: 680px;
  margin: 0 auto;
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  background: var(--glass-bg);
  border-radius: 20px;
  padding: 2.5rem;
  border: 1px solid var(--glass-border);
}

.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; font-weight: 600; margin-bottom: 0.4rem; font-size: 0.85rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.04em; }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  transition: all 0.2s;
  background: rgba(255,255,255,0.03);
  color: white;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: rgba(255,255,255,0.05);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.2); }
.form-group select option { background: #0a0e17; color: white; }
.form-group textarea { resize: vertical; min-height: 100px; }

small { color: var(--text-light) !important; font-size: 0.8rem !important; }

/* ========== FAQ ========== */
.faq-item {
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  background: var(--glass-bg);
  border-radius: 12px;
  margin-bottom: 0.75rem;
  border: 1px solid var(--glass-border);
  overflow: hidden;
  transition: border-color 0.2s;
}
.faq-item.open { border-color: rgba(232,117,26,0.3); }

.faq-question {
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-size: 0.95rem;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  gap: 1rem;
}
.faq-question:hover { background: rgba(255,255,255,0.02); }

.faq-arrow { transition: transform 0.3s; font-size: 0.75rem; color: var(--text-light); flex-shrink: 0; }
.faq-item.open .faq-arrow { transform: rotate(180deg); color: var(--accent); }

.faq-answer { padding: 0 1.5rem 1.25rem; color: var(--text-secondary); display: none; line-height: 1.7; font-size: 0.9rem; }
.faq-item.open .faq-answer { display: block; }
.faq-answer a { color: var(--accent-light); }

/* ========== FOOTER ========== */
footer {
  text-align: center;
  padding: 3.5rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.04);
  margin-top: 2rem;
  color: var(--text-light);
  font-size: 0.85rem;
}
footer a { color: var(--accent-light); text-decoration: none; }
footer a:hover { text-decoration: underline; }

/* ========== CAMARAS ========== */
.camera-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); gap: 1.5rem; }
.camera-card {
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  background: var(--glass-bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--glass-border);
}
.camera-card .cam-header { padding: 1rem 1.5rem; font-weight: 600; font-size: 0.85rem; background: rgba(0,0,0,0.3); color: white; border-bottom: 1px solid rgba(255,255,255,0.04); }
.camera-card .cam-feed { aspect-ratio: 16/9; background: #050505; display: flex; align-items: center; justify-content: center; color: #333; font-size: 0.85rem; }

/* ========== MOBILE ========== */
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: rgba(10,14,23,0.95); backdrop-filter: blur(20px); padding: 0.75rem; border-bottom: 1px solid rgba(255,255,255,0.05); }
  .nav-links.show { display: flex; }
  .nav-links a { padding: 0.7rem 1rem; }
  .nav-toggle { display: block; }
  .hero h1 { font-size: 2.4rem; }
  .hero p { font-size: 1rem; }
  .hero { padding: 5rem 1.5rem 4rem; }
  section { padding: 3.5rem 0; }
  .section-title h2 { font-size: 1.7rem; }
  .stat-number { font-size: 2.4rem; }
}

/* ========== TUTORIAL ========== */
.tutorial-card {
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  background: var(--glass-bg);
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid var(--glass-border);
  margin-bottom: 1.5rem;
}
.tutorial-card h3 { font-family: 'Montserrat', sans-serif; color: white; font-size: 1.15rem; font-weight: 800; text-transform: uppercase; margin-bottom: 1rem; letter-spacing: -0.01em; }
.tutorial-card ol, .tutorial-card ul { padding-left: 1.5rem; margin-bottom: 1rem; }
.tutorial-card li { margin-bottom: 0.5rem; color: var(--text-secondary); line-height: 1.6; }
.tutorial-card .tip { background: rgba(245, 158, 11, 0.06); border-left: 4px solid var(--warning); padding: 1rem 1.25rem; border-radius: 0 10px 10px 0; margin: 1rem 0; font-size: 0.9rem; color: var(--text-secondary); }
.tutorial-card a { color: var(--accent-light); }

/* ========== TABLES ========== */
table { width: 100%; border-collapse: collapse; margin: 1rem 0; border-radius: 10px; overflow: hidden; border: 1px solid rgba(255,255,255,0.05); }
table th { background: rgba(255,255,255,0.04); color: var(--text); font-weight: 600; text-align: left; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; padding: 0.7rem 1rem; }
table td { padding: 0.7rem 1rem; font-size: 0.85rem; color: var(--text-secondary); }
table tr:not(:last-child) td { border-bottom: 1px solid rgba(255,255,255,0.03); }

/* ========== PAGE HEADER ========== */
.page-header { text-align: center; padding: 4rem 2rem 3rem; position: relative; }
.page-header::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 0%, rgba(232,117,26,0.05) 0%, transparent 50%); pointer-events: none; }
.page-header h1 { font-family: 'Montserrat', sans-serif; font-size: 2.6rem; font-weight: 900; letter-spacing: -0.03em; margin-bottom: 0.5rem; text-transform: uppercase; }
.page-header p { color: var(--text-secondary); font-size: 1.05rem; }

/* ========== SVG ICON FALLBACK ========== */
.icon-box { display: inline-flex; align-items: center; justify-content: center; width: 48px; height: 48px; background: rgba(232, 117, 26, 0.1); border-radius: 12px; border: 1px solid rgba(232, 117, 26, 0.15); margin-bottom: 1.25rem; }
.icon-box svg { width: 24px; height: 24px; stroke: var(--accent-light); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ========== LINKS ========== */
a { color: var(--accent-light); }
a.card { color: inherit; text-decoration: none; }

/* ========== MISC ========== */
.printer-body .label { color: var(--text); }
span.label { color: var(--text); }

/* ========== PAGINAS LEGALES ========== */
.legal h2 { font-family: 'Montserrat', sans-serif; font-size: 1.05rem; font-weight: 800; margin: 2rem 0 0.75rem; text-transform: uppercase; letter-spacing: 0.02em; color: var(--text); }
.legal h2:first-of-type { margin-top: 0; }
.legal p, .legal li { color: var(--text-secondary); font-size: 0.95rem; }
.legal ul, .legal ol { margin: 0.5rem 0 1rem 1.25rem; }
.legal li { margin-bottom: 0.35rem; }
.legal a { color: var(--accent-light); }
.legal code { background: rgba(255,255,255,0.07); padding: 0.1rem 0.35rem; border-radius: 4px; font-size: 0.85em; }
.legal table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: 0.9rem; }
.legal th, .legal td { text-align: left; vertical-align: top; padding: 0.6rem 0.75rem; border-bottom: 1px solid rgba(255,255,255,0.08); }
.legal th { color: var(--text); font-family: 'Montserrat', sans-serif; text-transform: uppercase; font-size: 0.72rem; letter-spacing: 0.03em; }
.legal td ul { margin: 0 0 0 1rem; }
.legal .aviso { background: rgba(232,117,26,0.08); border-left: 3px solid var(--accent); padding: 1rem 1.25rem; border-radius: 8px; margin: 1.25rem 0; }
.legal .aviso p { margin: 0; color: var(--text); }
.legal .fecha { font-size: 0.8rem; color: var(--text-light); }
footer .container a { color: inherit; }