/* ===================================
   ADVANCED APD — CSS TEMA CLARO
   Header: Cielo estrellado azul oscuro
   Body: Blanco / gris claro profesional
=================================== */

:root {
  --azul: #0a1628;
  --azul2: #0d1f3c;
  --red: #cc0000;
  --red2: #ee1111;
  --accent: #1a6fd4;
  --accent2: #2196f3;
  --bg: #f5f6fa;
  --bg2: #ffffff;
  --card: #ffffff;
  --border: #e0e4ef;
  --text: #1a1f36;
  --text2: #5a6180;
  --font-display: 'Orbitron', monospace;
  --font-body: 'Exo 2', sans-serif;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.13);
  --transition: 0.3s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); background: var(--bg); color: var(--text); overflow-x: hidden; line-height: 1.6; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }
input, textarea, select, button { font-family: var(--font-body); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.red { color: var(--red); }

/* ===== NAVBAR ===== */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 14px 0; transition: all var(--transition); }
.navbar.scrolled { background: rgba(10,22,40,0.97); box-shadow: 0 2px 24px rgba(0,0,0,0.35); }
.nav-inner { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 38px; }
.logo-text { font-family: var(--font-display); font-weight: 900; font-size: 1rem; letter-spacing: 2px; color: #fff; }
.logo-text .red { color: #ff5555; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { font-size: 0.82rem; font-weight: 600; letter-spacing: 1px; color: rgba(255,255,255,0.8); text-transform: uppercase; transition: color var(--transition); }
.nav-links a:hover { color: #fff; }
.btn-nav { background: var(--red) !important; color: white !important; padding: 8px 20px; border-radius: 6px; transition: all var(--transition) !important; }
.btn-nav:hover { background: var(--red2) !important; box-shadow: 0 4px 16px rgba(200,0,0,0.4) !important; }
.hamburger { display: none; background: none; border: none; color: white; font-size: 1.5rem; cursor: pointer; }

/* ===== HERO — CIELO ESTRELLADO ===== */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center; overflow: hidden; background: var(--azul); }
#heroCanvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.nebula {
  position: absolute; inset: 0; z-index: 1;
  background:
    radial-gradient(ellipse 55% 40% at 18% 28%, rgba(30,90,200,0.4) 0%, transparent 70%),
    radial-gradient(ellipse 45% 35% at 78% 62%, rgba(90,20,160,0.35) 0%, transparent 70%),
    radial-gradient(ellipse 38% 28% at 52% 78%, rgba(10,70,140,0.28) 0%, transparent 60%),
    radial-gradient(ellipse 28% 22% at 68% 18%, rgba(170,60,220,0.18) 0%, transparent 55%);
  animation: nebulaPulse 14s ease-in-out infinite alternate;
}
@keyframes nebulaPulse { 0% { opacity: 0.65; } 100% { opacity: 1; } }
.hero-content { position: relative; z-index: 3; text-align: center; max-width: 900px; padding: 120px 24px 80px; animation: heroFadeIn 1.2s ease forwards; }
@keyframes heroFadeIn { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.hero-badge { display: inline-block; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.2); color: #a8c8ff; font-family: var(--font-display); font-size: 0.65rem; letter-spacing: 2px; padding: 6px 18px; border-radius: 20px; margin-bottom: 28px; text-transform: uppercase; }
.hero-title { font-family: var(--font-display); font-size: clamp(1.8rem, 5vw, 3.4rem); font-weight: 900; line-height: 1.15; color: #fff; min-height: 4.5rem; margin-bottom: 20px; text-shadow: 0 0 60px rgba(100,160,255,0.4); }
.cursor { color: #66aaff; animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero-sub { font-size: 1rem; color: rgba(200,220,255,0.82); max-width: 600px; margin: 0 auto 36px; }
.hero-ctas { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 60px; }
.btn-primary { background: var(--red); color: white; font-family: var(--font-display); font-size: 0.78rem; font-weight: 700; letter-spacing: 1px; padding: 14px 28px; border-radius: 6px; transition: all var(--transition); border: none; cursor: pointer; display: inline-block; }
.btn-primary:hover { background: var(--red2); box-shadow: 0 6px 24px rgba(200,0,0,0.4); transform: translateY(-2px); }
.btn-whatsapp { display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.08); border: 1px solid rgba(37,211,102,0.5); color: #4ddd88; font-weight: 600; font-size: 0.9rem; padding: 14px 28px; border-radius: 6px; transition: all var(--transition); }
.btn-whatsapp:hover { background: #25d366; border-color: #25d366; transform: translateY(-2px); }
.hero-stats { display: flex; gap: 48px; justify-content: center; }
.stat { text-align: center; }
.stat-num { font-family: var(--font-display); font-size: 2rem; font-weight: 900; color: #66aaff; }
.stat p { font-size: 0.72rem; color: rgba(200,220,255,0.6); text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; }
.hero-scroll { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 8px; z-index: 3; }
.hero-scroll span { font-size: 0.62rem; letter-spacing: 3px; color: rgba(200,220,255,0.45); text-transform: uppercase; }
.scroll-line { width: 1px; height: 40px; background: linear-gradient(to bottom, #66aaff, transparent); animation: scrollPulse 2s ease-in-out infinite; }
@keyframes scrollPulse { 0%,100% { opacity: 0.3; } 50% { opacity: 1; } }

/* ===== BANNER ESTUDIANTES ===== */
.banner-estudiantes { background: linear-gradient(135deg, #1a6fd4, #0d4fa0); padding: 30px 0; position: relative; overflow: hidden; }
.banner-estudiantes::after { content: '🎓'; position: absolute; right: 6%; top: 50%; transform: translateY(-50%); font-size: 5rem; opacity: 0.12; pointer-events: none; }
.banner-inner { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.banner-icon { font-size: 2.4rem; flex-shrink: 0; }
.banner-texto h3 { font-family: var(--font-display); font-size: 0.9rem; color: #fff; margin-bottom: 6px; letter-spacing: 1px; }
.banner-texto p { color: rgba(255,255,255,0.88); font-size: 0.87rem; line-height: 1.6; }
.banner-texto strong { color: #ffe066; }
.btn-banner { flex-shrink: 0; background: #fff; color: #1a6fd4; font-weight: 700; font-size: 0.85rem; padding: 12px 24px; border-radius: 6px; white-space: nowrap; transition: all var(--transition); margin-left: auto; display: inline-block; }
.btn-banner:hover { background: #ffe066; color: #0d4fa0; transform: translateY(-2px); }

/* ===== SECTION HEADER ===== */
.section-header { text-align: center; margin-bottom: 52px; }
.section-tag { display: inline-block; font-family: var(--font-display); font-size: 0.62rem; letter-spacing: 3px; text-transform: uppercase; color: var(--accent); background: rgba(26,111,212,0.08); border: 1px solid rgba(26,111,212,0.2); padding: 4px 14px; border-radius: 20px; margin-bottom: 14px; }
.section-header h2 { font-family: var(--font-display); font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 900; color: var(--text); margin-bottom: 10px; }
.section-header p { color: var(--text2); font-size: 1rem; }

/* ===== VALOR ===== */
.valor { padding: 80px 0; background: var(--bg2); border-bottom: 1px solid var(--border); }
.valor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.valor-card { text-align: center; padding: 36px 24px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); transition: all var(--transition); }
.valor-card:hover { border-color: var(--accent2); box-shadow: var(--shadow); transform: translateY(-4px); }
.valor-icon { font-size: 2.5rem; margin-bottom: 16px; }
.valor-card h3 { font-family: var(--font-display); font-size: 0.85rem; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.valor-card p { color: var(--text2); font-size: 0.88rem; }

/* ===== SERVICIOS ===== */
.servicios { padding: 100px 0; background: var(--bg); }
.servicios-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.servicio-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px 24px; position: relative; transition: all var(--transition); box-shadow: var(--shadow); }
.servicio-card:hover { border-color: var(--accent2); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.servicio-card.featured { border-color: rgba(26,111,212,0.3); background: linear-gradient(135deg, #fff, #f0f6ff); }
.sc-icon { font-size: 2rem; margin-bottom: 16px; }
.servicio-card h3 { font-family: var(--font-display); font-size: 0.85rem; color: var(--text); margin-bottom: 12px; }
.servicio-card p { color: var(--text2); font-size: 0.87rem; margin-bottom: 16px; line-height: 1.7; }
.sc-list { color: var(--text2); font-size: 0.82rem; display: flex; flex-direction: column; gap: 6px; }
.sc-list li::before { content: "→ "; color: var(--accent); }
.sc-badge { position: absolute; top: 16px; right: 16px; background: rgba(26,111,212,0.1); color: var(--accent); font-size: 0.62rem; padding: 4px 10px; border-radius: 20px; border: 1px solid rgba(26,111,212,0.3); font-weight: 700; }

/* ===== TECNOLOGÍAS ===== */
.tecnologias { padding: 100px 0; background: var(--bg2); }
.tech-categorias { display: flex; flex-direction: column; gap: 36px; }
.tech-cat h4 { font-family: var(--font-display); font-size: 0.72rem; letter-spacing: 2px; text-transform: uppercase; color: var(--text2); margin-bottom: 14px; padding-bottom: 8px; border-bottom: 2px solid var(--border); }
.tech-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.tech-chip { display: inline-block; padding: 9px 20px; background: var(--bg); border: 1.5px solid var(--border); border-radius: 6px; font-size: 0.85rem; font-weight: 600; color: var(--text); cursor: pointer; transition: all var(--transition); }
.tech-chip:hover { background: var(--accent); border-color: var(--accent); color: white; transform: translateY(-2px); box-shadow: 0 4px 14px rgba(26,111,212,0.3); }
.tech-chip.highlight { background: rgba(26,111,212,0.08); border-color: rgba(26,111,212,0.4); color: var(--accent); }
.tech-chip.highlight:hover { background: var(--accent); color: white; }

/* ===== MODAL TECNOLOGÍA ===== */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(10,22,40,0.72); z-index: 2000; align-items: center; justify-content: center; padding: 20px; backdrop-filter: blur(5px); }
.modal-overlay.open { display: flex; }
.modal-box { background: #fff; border-radius: 16px; max-width: 680px; width: 100%; max-height: 90vh; overflow-y: auto; box-shadow: 0 24px 80px rgba(0,0,0,0.25); animation: modalIn 0.3s ease; }
@keyframes modalIn { from { opacity: 0; transform: scale(0.92) translateY(20px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.modal-header { position: relative; height: 190px; display: flex; align-items: flex-end; padding: 24px; border-radius: 16px 16px 0 0; overflow: hidden; }
.modal-header-bg { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 8rem; opacity: 0.25; }
.modal-header-content { position: relative; z-index: 1; }
.modal-tag { background: rgba(255,255,255,0.18); color: #c0deff; font-size: 0.7rem; padding: 3px 12px; border-radius: 20px; margin-bottom: 8px; display: inline-block; letter-spacing: 1px; }
.modal-header-content h2 { font-family: var(--font-display); font-size: 1.7rem; color: #fff; text-shadow: 0 2px 10px rgba(0,0,0,0.5); }
.modal-close { position: absolute; top: 14px; right: 14px; background: rgba(255,255,255,0.15); border: none; color: white; width: 34px; height: 34px; border-radius: 50%; font-size: 1.1rem; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background var(--transition); z-index: 2; }
.modal-close:hover { background: rgba(255,255,255,0.3); }
.modal-body { padding: 28px 32px 32px; }
.modal-desc { font-size: 0.95rem; color: var(--text2); line-height: 1.8; margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.modal-sections { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 24px; }
.modal-section h4 { font-family: var(--font-display); font-size: 0.68rem; letter-spacing: 1px; color: var(--accent); margin-bottom: 12px; text-transform: uppercase; }
.modal-section ul { display: flex; flex-direction: column; gap: 8px; }
.modal-section ul li { font-size: 0.87rem; color: var(--text); display: flex; align-items: flex-start; gap: 8px; }
.modal-section ul li::before { content: "✓"; color: #22aa55; font-weight: 700; flex-shrink: 0; }
.modal-cta { display: flex; gap: 12px; padding-top: 20px; border-top: 1px solid var(--border); flex-wrap: wrap; }
.modal-cta a { flex: 1; min-width: 140px; text-align: center; }

/* ===== PORTAFOLIO ===== */
.portafolio { padding: 100px 0; background: var(--bg); }
.portfolio-filters { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.pf-btn { padding: 8px 20px; background: var(--card); border: 1.5px solid var(--border); color: var(--text2); border-radius: 6px; cursor: pointer; font-size: 0.82rem; font-weight: 600; transition: all var(--transition); }
.pf-btn.active, .pf-btn:hover { background: var(--accent); border-color: var(--accent); color: white; }
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.portfolio-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: all var(--transition); box-shadow: var(--shadow); }
.portfolio-card:hover { border-color: var(--accent2); transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.portfolio-card.hidden { display: none; }
.pc-img { height: 160px; position: relative; overflow: hidden; }
.pc-overlay { position: absolute; inset: 0; background: rgba(10,22,40,0.75); display: flex; align-items: flex-end; padding: 14px; opacity: 0; transition: opacity var(--transition); }
.portfolio-card:hover .pc-overlay { opacity: 1; }
.pc-tech { font-family: var(--font-display); font-size: 0.62rem; color: #a8d4ff; letter-spacing: 1px; }
.pc-info { padding: 20px; }
.pc-info h4 { font-family: var(--font-display); font-size: 0.85rem; color: var(--text); margin-bottom: 8px; }
.pc-info p { font-size: 0.83rem; color: var(--text2); margin-bottom: 12px; }
.pc-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.pc-tags span { background: rgba(26,111,212,0.08); border: 1px solid rgba(26,111,212,0.2); color: var(--accent); font-size: 0.7rem; padding: 2px 10px; border-radius: 20px; }

/* ===== TIENDA ===== */
.tienda { padding: 100px 0; background: var(--bg2); }
.tienda-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.tienda-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 20px; text-align: center; transition: all var(--transition); display: flex; flex-direction: column; gap: 12px; box-shadow: var(--shadow); }
.tienda-card:hover { border-color: var(--accent2); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.tc-icon { font-size: 2.5rem; }
.tienda-card h4 { font-family: var(--font-display); font-size: 0.8rem; color: var(--text); }
.tienda-card p { font-size: 0.82rem; color: var(--text2); flex: 1; }
.tc-precio { font-size: 0.85rem; color: var(--text2); }
.tc-precio strong { color: var(--red); font-size: 1.1rem; }
.btn-tienda { display: block; background: var(--accent); color: white; font-weight: 700; font-size: 0.82rem; padding: 10px; border-radius: 6px; transition: all var(--transition); }
.btn-tienda:hover { background: var(--accent2); box-shadow: 0 4px 14px rgba(26,111,212,0.35); }

/* ===== CONTACTO ===== */
.contacto { padding: 100px 0; background: var(--bg); }
.contacto-inner { display: grid; grid-template-columns: 300px 1fr; gap: 48px; align-items: start; }
.contacto-info { display: flex; flex-direction: column; gap: 24px; }
.ci-item { display: flex; gap: 14px; align-items: flex-start; }
.ci-icon { font-size: 1.4rem; }
.ci-item strong { display: block; color: var(--text); font-size: 0.9rem; margin-bottom: 3px; }
.ci-item p { color: var(--text2); font-size: 0.85rem; }
.btn-whatsapp-big { display: flex; align-items: center; justify-content: center; gap: 10px; background: #128c40; color: white; font-weight: 700; padding: 16px; border-radius: 8px; margin-top: 8px; transition: all var(--transition); }
.btn-whatsapp-big:hover { background: #1aad52; transform: translateY(-2px); }
.contacto-form { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 36px; display: flex; flex-direction: column; gap: 20px; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 0.8rem; color: var(--text2); font-weight: 600; }
.form-group input, .form-group select, .form-group textarea { background: var(--bg); border: 1.5px solid var(--border); border-radius: 6px; color: var(--text); padding: 11px 14px; font-size: 0.9rem; transition: border-color var(--transition); outline: none; resize: none; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--accent); }
.btn-submit { background: var(--red); color: white; border: none; font-family: var(--font-display); font-size: 0.85rem; font-weight: 700; letter-spacing: 1px; padding: 16px; border-radius: 8px; cursor: pointer; transition: all var(--transition); }
.btn-submit:hover { background: var(--red2); box-shadow: 0 6px 20px rgba(200,0,0,0.3); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; }
.form-msg { text-align: center; font-size: 0.85rem; padding: 10px; border-radius: 6px; display: none; }
.form-msg.ok { background: rgba(37,211,102,0.15); color: #0a7a30; border: 2px solid #25d366; display: block; font-size: 1.3rem; font-weight: 700; padding: 20px; border-radius: 10px; }
.form-msg.error { background: rgba(200,0,0,0.06); color: var(--red); border: 1px solid rgba(200,0,0,0.2); display: block; }

/* ===== FOOTER ===== */
.footer { background: var(--azul); border-top: 1px solid rgba(255,255,255,0.06); padding: 60px 0 24px; }
.footer-inner { display: grid; grid-template-columns: 1fr auto auto; gap: 48px; align-items: start; margin-bottom: 40px; }
.footer-brand .logo-text { font-family: var(--font-display); font-size: 1.05rem; font-weight: 900; display: block; margin-bottom: 10px; }
.footer-brand p { color: rgba(255,255,255,0.88); font-size: 0.95rem; line-height: 1.7; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: rgba(255,255,255,0.85); font-size: 0.95rem; transition: color var(--transition); }
.footer-links a:hover { color: #fff; }
.social-btn { display: inline-block; background: #25d366; border: 1px solid #1aad52; color: #fff; padding: 8px 20px; border-radius: 6px; font-size: 0.85rem; font-weight: 600; transition: all var(--transition); }
.social-btn:hover { background: rgba(37,211,102,0.2); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 20px; text-align: center; }
.footer-bottom p { font-size: 0.78rem; color: rgba(255,255,255,0.6); }

/* ===== WHATSAPP FLOTANTE ===== */
.wa-float { position: fixed; bottom: 28px; right: 28px; z-index: 999; background: #25d366; width: 58px; height: 58px; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 20px rgba(37,211,102,0.5); transition: all var(--transition); animation: waPulse 3s infinite; }
.wa-float:hover { transform: scale(1.1); box-shadow: 0 6px 30px rgba(37,211,102,0.7); }
@keyframes waPulse { 0%,100% { box-shadow: 0 4px 20px rgba(37,211,102,0.5); } 50% { box-shadow: 0 4px 30px rgba(37,211,102,0.8), 0 0 0 8px rgba(37,211,102,0.1); } }

/* ===== REVEAL ===== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .servicios-grid { grid-template-columns: repeat(2, 1fr); }
  .tienda-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .valor-grid { grid-template-columns: repeat(2, 1fr); }
  .modal-sections { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: block; }
  .nav-links.open { display: flex; flex-direction: column; position: fixed; top: 66px; left: 0; right: 0; background: rgba(10,22,40,0.98); padding: 24px; gap: 20px; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .hero-stats { gap: 24px; }
  .servicios-grid { grid-template-columns: 1fr; }
  .valor-grid { grid-template-columns: 1fr; }
  .tienda-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .contacto-inner { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; align-items: center; }
  .banner-inner { flex-direction: column; text-align: center; }
  .btn-banner { margin-left: 0; width: 100%; text-align: center; }
}

/* ===== TIPOGRAFÍA GLOBAL MÁS GRANDE ===== */
body { font-size: 17px; }
.section-header h2 { font-size: clamp(2rem, 4.5vw, 3rem); }
.section-header p { font-size: 1.15rem; }
.servicio-card p { font-size: 1rem; }
.servicio-card h3 { font-size: 1rem; }
.sc-list { font-size: 0.95rem; }
.valor-card h3 { font-size: 1rem; }
.valor-card p { font-size: 0.97rem; }
.tech-chip { font-size: 0.97rem; padding: 11px 22px; }
.pc-info h4 { font-size: 1rem; }
.pc-info p { font-size: 0.95rem; }
.tienda-card h4 { font-size: 0.92rem; }
.tienda-card p { font-size: 0.95rem; }
.tc-precio strong { font-size: 1.3rem; }
.ci-item strong { font-size: 1rem; }
.ci-item p { font-size: 0.97rem; }
.form-group label { font-size: 0.92rem; }
.form-group input, .form-group select, .form-group textarea { font-size: 1rem; padding: 13px 16px; }
.hero-sub { font-size: 1.15rem; }
.modal-desc { font-size: 1.05rem; }
.modal-section ul li { font-size: 0.97rem; }
.footer-brand p { font-size: 0.95rem; }
.footer-links a { font-size: 0.95rem; }

/* ===== BANNER ESTUDIANTES — REDISEÑO ROJO ===== */
.banner-estudiantes {
  position: relative;
  background: linear-gradient(135deg, #9b0000 0%, #cc0000 40%, #e62020 70%, #aa1100 100%);
  padding: 60px 0;
  overflow: hidden;
}
.banner-est-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.est-deco {
  position: absolute;
  font-size: 4rem;
  opacity: 0.08;
  animation: estFloat 8s ease-in-out infinite;
}
.est-deco1 { top: 10%; left: 5%; animation-delay: 0s; }
.est-deco2 { top: 60%; left: 25%; animation-delay: 2s; font-size: 3rem; }
.est-deco3 { top: 15%; right: 30%; animation-delay: 4s; }
.est-deco4 { bottom: 10%; right: 8%; animation-delay: 1s; font-size: 3.5rem; }
@keyframes estFloat {
  0%,100% { transform: translateY(0) rotate(-5deg); }
  50% { transform: translateY(-15px) rotate(5deg); }
}
.banner-est-inner {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: center;
}
.banner-est-badge {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.4);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 3px;
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 18px;
}
.banner-est-titulo {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 18px;
}
.banner-est-titulo span {
  color: #ffe066;
  text-shadow: 0 0 30px rgba(255,224,102,0.5);
}
.banner-est-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.9);
  line-height: 1.7;
  margin-bottom: 24px;
}
.banner-est-desc strong { color: #ffe066; }
.banner-est-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.banner-est-chips span {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 20px;
}
.banner-est-right { display: flex; justify-content: center; }
.banner-est-card {
  background: #fff;
  border-radius: 20px;
  padding: 36px 32px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  width: 100%;
}
.est-icon-big { font-size: 3.5rem; margin-bottom: 12px; }
.est-precio-label { font-size: 0.85rem; color: #888; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.est-precio { font-family: var(--font-display); font-size: 3rem; font-weight: 900; color: var(--red); line-height: 1; }
.est-precio span { font-size: 1.2rem; color: #888; }
.est-precio-sub { font-size: 0.88rem; color: #888; margin-bottom: 24px; }
.btn-est {
  display: block;
  background: #25d366;
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 20px;
  border-radius: 10px;
  transition: all 0.3s ease;
  margin-bottom: 12px;
}
.btn-est:hover { background: #1aad52; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,211,102,0.4); }
.est-nota { font-size: 0.82rem; color: #aaa; }

@media (max-width: 768px) {
  .banner-est-inner { grid-template-columns: 1fr; }
  .banner-est-card { max-width: 340px; margin: 0 auto; }
}
.modal-cta .btn-whatsapp {
  background: #25d366 !important;
  border: 2px solid #1aad52 !important;
  color: #fff !important;
  font-weight: 700 !important;
  justify-content: center;
}
.modal-cta .btn-whatsapp:hover {
  background: #1aad52 !important;
}