/* ============================================
   WEBS EXPRESS IA — Landing propia
   Web de presentación del servicio
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Outfit:wght@600;700;800;900&display=swap');

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  
  /* Tema Claro (Por defecto) */
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-card: #ffffff;
  --text: #334155;
  --text-muted: #64748b;
  --text-heading: #0f172a;
  --border: rgba(0,0,0,0.08);
  --glass: rgba(255,255,255,0.9);
  --glass-border: rgba(0,0,0,0.05);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
  
  --shadow-glow: 0 0 60px rgba(99,102,241,0.15);
  --radius: 16px;
  --radius-full: 9999px;
  --font: 'Inter', system-ui, sans-serif;
  --font-display: 'Outfit', var(--font);
  --fast: 0.2s ease;
  --smooth: 0.4s cubic-bezier(0.4,0,0.2,1);
}

[data-theme="dark"] {
  --bg: #0a0a1a;
  --bg-alt: #111128;
  --bg-card: #16163a;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-heading: #ffffff;
  --border: rgba(255,255,255,0.06);
  --glass: rgba(22,22,58,0.8);
  --glass-border: rgba(255,255,255,0.08);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.3);
}

.theme-toggle-btn {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px;
  transition: transform var(--fast);
}
.theme-toggle-btn:hover {
  transform: scale(1.1);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width:100%; height:auto; display:block; }
a { color: var(--primary-light); text-decoration:none; transition: color var(--fast); }
a:hover { color: var(--accent); }
h1,h2,h3,h4 { font-family:var(--font-display); color:var(--text-heading); line-height:1.15; font-weight:700; }

.container { max-width:1200px; margin:0 auto; padding:0 24px; }
section { padding:100px 0; position:relative; }

.section-label {
  display:inline-flex; align-items:center; gap:8px;
  font-size:0.8rem; font-weight:600; text-transform:uppercase;
  letter-spacing:2px; color:var(--primary-light); margin-bottom:16px;
}
.section-label::before { content:''; width:24px; height:2px; background:var(--primary); border-radius:2px; }
.section-title { font-size:clamp(2rem,4vw,3rem); margin-bottom:16px; }
.section-subtitle { font-size:1.1rem; color:var(--text-muted); max-width:600px; margin-bottom:48px; }

/* === HEADER === */
.header { position:fixed; top:0; left:0; width:100%; z-index:1000; padding:16px 0; transition:all var(--smooth); }
.header.scrolled { background:var(--glass); backdrop-filter:blur(20px); border-bottom:1px solid var(--glass-border); padding:10px 0; }
.header .container { display:flex; align-items:center; justify-content:space-between; }
.logo { font-family:var(--font-display); font-size:1.4rem; font-weight:800; color:var(--text-heading); display:flex; align-items:center; gap:8px; }
.logo-icon { width:36px; height:36px; background:linear-gradient(135deg,var(--primary),var(--accent)); border-radius:10px; display:flex; align-items:center; justify-content:center; font-size:1.1rem; }
.logo-accent { background:linear-gradient(135deg,var(--primary-light),var(--accent)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.nav { display:flex; align-items:center; gap:28px; }
.nav a { color:var(--text-muted); font-size:0.9rem; font-weight:500; transition:color var(--fast); }
.nav a:hover { color:var(--text-heading); }
.nav-cta { padding:10px 20px !important; background:var(--primary) !important; color:#fff !important; border-radius:var(--radius-full) !important; font-weight:600 !important; }
.nav-cta:hover { background:var(--primary-dark) !important; transform:translateY(-1px); }
.menu-toggle { display:none; flex-direction:column; gap:5px; cursor:pointer; background:none; border:none; padding:4px; z-index:1001; }
.menu-toggle span { width:24px; height:2px; background:var(--text); border-radius:2px; transition:all var(--fast); }
.menu-toggle.active span:nth-child(1) { transform:rotate(45deg) translate(5px,5px); }
.menu-toggle.active span:nth-child(2) { opacity:0; }
.menu-toggle.active span:nth-child(3) { transform:rotate(-45deg) translate(5px,-5px); }

/* === HERO === */
.hero { min-height:100vh; display:flex; align-items:center; padding-top:80px; position:relative; overflow:hidden; }
.hero-bg-effects { position:absolute; inset:0; pointer-events:none; }
.hero-orb { position:absolute; border-radius:50%; filter:blur(80px); }
.orb-1 { top:-20%; right:-10%; width:700px; height:700px; background:rgba(99,102,241,0.12); }
.orb-2 { bottom:-30%; left:-15%; width:500px; height:500px; background:rgba(245,158,11,0.06); }
.hero-grid-bg {
  position:absolute; inset:0;
  background-image: linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
                     linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero .container { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; position:relative; z-index:1; }
.hero-content { max-width:560px; }
.hero-badge { display:inline-flex; align-items:center; gap:8px; padding:6px 16px; background:rgba(99,102,241,0.1); border:1px solid rgba(99,102,241,0.2); border-radius:var(--radius-full); font-size:0.8rem; font-weight:600; color:var(--primary-light); margin-bottom:24px; }
.badge-dot { width:6px; height:6px; background:var(--accent); border-radius:50%; animation:pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.5)} }
.hero h1 { font-size:clamp(2.5rem,5vw,3.8rem); margin-bottom:20px; font-weight:900; }
.gradient-text { background:linear-gradient(135deg,var(--primary-light),var(--accent)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.hero-description { font-size:1.15rem; color:var(--text-muted); margin-bottom:32px; line-height:1.8; }
.hero-buttons { display:flex; gap:16px; flex-wrap:wrap; margin-bottom:32px; }
.hero-trust { display:flex; gap:24px; flex-wrap:wrap; }
.trust-item { font-size:0.85rem; color:var(--text-muted); font-weight:500; }

/* Showcase browser mock */
.hero-showcase { position:relative; }
.showcase-browser { background:var(--bg-card); border:1px solid var(--glass-border); border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow-md),var(--shadow-glow); }
.browser-dots { display:flex; gap:6px; padding:12px 16px; background:rgba(0,0,0,0.3); }
.browser-dots span { width:10px; height:10px; border-radius:50%; }
.browser-dots span:nth-child(1) { background:#ff5f57; }
.browser-dots span:nth-child(2) { background:#febc2e; }
.browser-dots span:nth-child(3) { background:#28c840; }
.browser-content { padding:24px; min-height:280px; background:linear-gradient(135deg,var(--bg),var(--bg-alt)); }
.showcase-label { padding:10px 16px; font-size:0.75rem; color:var(--text-muted); text-align:center; border-top:1px solid var(--border); }
.mock-hero { padding:20px; }
.mock-nav { height:8px; width:60%; background:rgba(255,255,255,0.08); border-radius:4px; margin-bottom:40px; }
.mock-title { height:24px; width:80%; background:linear-gradient(90deg,var(--primary),var(--accent)); border-radius:6px; margin-bottom:12px; opacity:0.7; }
.mock-subtitle { height:10px; width:60%; background:rgba(255,255,255,0.1); border-radius:4px; margin-bottom:24px; }
.mock-buttons { display:flex; gap:8px; }
.mock-buttons span { height:28px; width:80px; border-radius:var(--radius-full); }
.mock-buttons span:first-child { background:#25d366; opacity:0.8; }
.mock-buttons span:last-child { background:var(--primary); opacity:0.8; }

/* Float cards */
.float-card { position:absolute; background:var(--glass); backdrop-filter:blur(16px); border:1px solid var(--glass-border); border-radius:12px; padding:10px 16px; display:flex; align-items:center; gap:8px; box-shadow:var(--shadow-md); animation:float 6s ease-in-out infinite; }
.float-mobile { top:15%; right:-20px; animation-delay:0s; }
.float-speed { bottom:20%; left:-16px; animation-delay:2s; }
.float-icon { font-size:1.2rem; }
.float-text { font-size:0.8rem; font-weight:600; color:var(--text-heading); }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }

/* === BUTTONS === */
.btn { display:inline-flex; align-items:center; gap:8px; padding:14px 28px; border-radius:var(--radius-full); font-family:var(--font); font-size:0.95rem; font-weight:600; cursor:pointer; border:none; transition:all var(--fast); text-decoration:none; }
.btn-lg { padding:16px 32px; font-size:1rem; }
.btn-primary { background:linear-gradient(135deg,var(--primary),var(--primary-dark)); color:#fff; box-shadow:0 4px 20px rgba(99,102,241,0.35); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 30px rgba(99,102,241,0.5); color:#fff; }
.btn-secondary { background:transparent; color:var(--text); border:1px solid var(--border); }
.btn-secondary:hover { background:var(--bg-alt); color:var(--text-heading); transform:translateY(-2px); }
.btn-ghost { background:transparent; color:var(--text-muted); }
.btn-ghost:hover { color:var(--text-heading); }
.btn-whatsapp { background:#25d366; color:#fff; box-shadow:0 4px 16px rgba(37,211,102,0.3); }
.btn-whatsapp:hover { background:#20bd5a; transform:translateY(-2px); color:#fff; }
.btn-block { width:100%; justify-content:center; }

/* === STEPS === */
.how-it-works { background:var(--bg-alt); }
.steps-grid { display:flex; align-items:center; justify-content:center; gap:24px; margin-top:48px; }
.step-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:36px 28px; flex:1; text-align:center; transition:all var(--smooth); position:relative; }
.step-card:hover { transform:translateY(-4px); border-color:var(--glass-border); box-shadow:var(--shadow-md); }
.step-number { font-family:var(--font-display); font-size:3rem; font-weight:900; background:linear-gradient(135deg,var(--primary),transparent); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; opacity:0.3; position:absolute; top:16px; right:20px; }
.step-icon { font-size:2.5rem; margin-bottom:16px; }
.step-card h3 { font-size:1.15rem; margin-bottom:8px; }
.step-card p { font-size:0.9rem; color:var(--text-muted); }
.step-arrow { font-size:1.5rem; color:var(--primary); opacity:0.4; font-weight:700; }

/* === FEATURES === */
.features { background:var(--bg); }
.features-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.feature-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:28px 24px; transition:all var(--smooth); }
.feature-card:hover { transform:translateY(-3px); box-shadow:var(--shadow-md); }
.feature-icon { font-size:2rem; margin-bottom:12px; }
.feature-card h4 { font-size:1rem; margin-bottom:6px; }
.feature-card p { font-size:0.85rem; color:var(--text-muted); }

/* === EXAMPLES === */
.examples { background:var(--bg-alt); }
.themes-toggle { display:flex; gap:8px; margin-bottom:32px; }
.theme-btn { padding:8px 20px; border-radius:var(--radius-full); border:1px solid var(--border); background:transparent; color:var(--text-muted); font-family:var(--font); font-size:0.85rem; font-weight:500; cursor:pointer; transition:all var(--fast); }
.theme-btn.active { background:var(--primary); color:#fff; border-color:var(--primary); }
.theme-btn:hover:not(.active) { border-color:var(--text-muted); color:var(--text); }
.examples-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.example-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; transition:all var(--smooth); }
.example-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-md); }
.example-preview { padding:20px; min-height:180px; }
.dark-preview { background:linear-gradient(135deg,#0f172a,#1e293b); }
.light-preview { background:linear-gradient(135deg,#f8fafc,#e2e8f0); }
.example-mock { border-radius:8px; overflow:hidden; }
.mock-bar { height:20px; display:flex; align-items:center; padding:0 8px; gap:4px; }
.mock-bar.dark { background:rgba(0,0,0,0.4); }
.mock-bar.light { background:rgba(0,0,0,0.08); }
.mock-bar::before, .mock-bar::after { content:''; width:6px; height:6px; border-radius:50%; }
.mock-bar.dark::before { background:#ff5f57; } .mock-bar.dark::after { background:#28c840; }
.mock-bar.light::before { background:#ff5f57; } .mock-bar.light::after { background:#28c840; }
.mock-content { padding:16px; }
.mock-content.dark { background:#1e293b; }
.mock-content.light { background:#ffffff; }
.mock-h { height:12px; width:70%; border-radius:4px; margin-bottom:8px; }
.mock-content.dark .mock-h { background:rgba(255,255,255,0.15); }
.mock-content.light .mock-h { background:rgba(0,0,0,0.12); }
.mock-p { height:6px; width:90%; border-radius:3px; margin-bottom:12px; }
.mock-content.dark .mock-p { background:rgba(255,255,255,0.08); }
.mock-content.light .mock-p { background:rgba(0,0,0,0.06); }
.mock-btns { display:flex; gap:6px; }
.mock-btns span { height:16px; width:50px; border-radius:var(--radius-full); background:var(--primary); opacity:.6; }
.example-info { padding:20px; }
.example-tag { display:inline-block; padding:3px 10px; font-size:0.7rem; font-weight:600; background:rgba(99,102,241,0.15); color:var(--primary-light); border-radius:var(--radius-full); margin-bottom:8px; }
.example-info h4 { font-size:1rem; margin-bottom:4px; }
.example-info p { font-size:0.85rem; color:var(--text-muted); }

/* === PRICING === */
.pricing { background:var(--bg); }
.pricing-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; align-items:start; }
.pricing-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:36px 28px; transition:all var(--smooth); position:relative; }
.pricing-card:hover { transform:translateY(-4px); }
.pricing-card.featured { border-color:var(--primary); box-shadow:0 0 40px rgba(99,102,241,0.15); transform:scale(1.02); }
.pricing-card.featured:hover { transform:scale(1.02) translateY(-4px); }
.pricing-badge { position:absolute; top:-12px; left:50%; transform:translateX(-50%); padding:4px 16px; background:linear-gradient(135deg,var(--primary),var(--accent)); border-radius:var(--radius-full); font-size:0.75rem; font-weight:700; color:#fff; white-space:nowrap; }
.pricing-header h3 { font-size:1.4rem; margin-bottom:4px; }
.pricing-desc { font-size:0.9rem; color:var(--text-muted); margin-bottom:20px; }
.pricing-price { margin-bottom:4px; }
.price-amount { font-family:var(--font-display); font-size:2.8rem; font-weight:800; color:var(--text-heading); }
.price-label { font-size:0.85rem; color:var(--text-muted); margin-left:4px; }
.pricing-monthly { font-size:0.9rem; color:var(--text-muted); margin-bottom:24px; padding-bottom:24px; border-bottom:1px solid var(--border); }
.pricing-features { list-style:none; display:flex; flex-direction:column; gap:10px; margin-bottom:28px; }
.pricing-features li { font-size:0.9rem; color:var(--text); }

/* === CONTACT === */
.contact { background:var(--bg-alt); }
.contact .container { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:start; }
.contact-content { padding-top:20px; }
.contact-methods { display:flex; gap:12px; flex-wrap:wrap; margin-top:24px; }
.contact-form { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:36px; }
.contact-form h3 { font-size:1.3rem; margin-bottom:24px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-group { margin-bottom:18px; }
.form-group label { display:block; font-size:0.85rem; font-weight:600; color:var(--text-heading); margin-bottom:6px; }
.form-group input, .form-group textarea, .form-group select {
  width:100%; padding:12px 16px; background:var(--bg); border:1px solid var(--border);
  border-radius:10px; color:var(--text); font-family:var(--font); font-size:0.95rem; transition:border-color var(--fast);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline:none; border-color:var(--primary); box-shadow:0 0 0 3px rgba(99,102,241,0.15); }
.form-group textarea { resize:vertical; min-height:100px; }
.form-note { margin-top:12px; font-size:0.8rem; color:var(--text-muted); text-align:center; }

/* === FOOTER === */
.footer { background:var(--bg); padding:60px 0 30px; border-top:1px solid var(--border); }
.footer-content { display:grid; grid-template-columns:2fr 1fr 1fr; gap:48px; margin-bottom:40px; }
.footer-brand .logo { margin-bottom:16px; }
.footer-brand p { font-size:0.9rem; color:var(--text-muted); max-width:320px; }
.footer-links h4 { font-size:0.85rem; text-transform:uppercase; letter-spacing:1px; margin-bottom:16px; color:var(--text-heading); }
.footer-links ul { list-style:none; display:flex; flex-direction:column; gap:8px; }
.footer-links a { font-size:0.9rem; color:var(--text-muted); }
.footer-links a:hover { color:var(--primary-light); }
.footer-bottom { display:flex; justify-content:space-between; align-items:center; padding-top:24px; border-top:1px solid var(--border); font-size:0.8rem; color:var(--text-muted); }

/* Admin link oculto */
.admin-link { opacity:0.08; font-size:0.7rem; transition:opacity var(--fast); cursor:default; }
.admin-link:hover { opacity:0.3; cursor:pointer; }

/* === REVEAL === */
.reveal { opacity:0; transform:translateY(30px); transition:all 0.8s cubic-bezier(0.4,0,0.2,1); }
.reveal.visible { opacity:1; transform:translateY(0); }
.reveal-delay-1 { transition-delay:0.1s; }
.reveal-delay-2 { transition-delay:0.2s; }
.reveal-delay-3 { transition-delay:0.3s; }

/* === RESPONSIVE === */
@media(max-width:992px) {
  .hero .container { grid-template-columns:1fr; text-align:center; }
  .hero-content { max-width:100%; }
  .hero-buttons, .hero-trust { justify-content:center; }
  .hero-showcase { max-width:500px; margin:40px auto 0; }
  .steps-grid { flex-direction:column; }
  .step-arrow { transform:rotate(90deg); }
  .features-grid { grid-template-columns:repeat(2,1fr); }
  .examples-grid { grid-template-columns:repeat(2,1fr); }
  .pricing-grid { grid-template-columns:1fr; max-width:440px; margin:0 auto; }
  .pricing-card.featured { transform:none; }
  .contact .container { grid-template-columns:1fr; }
  .footer-content { grid-template-columns:1fr; gap:32px; }
}

@media(max-width:768px) {
  section { padding:72px 0; }
  .nav { position:fixed; top:0; right:-100%; width:280px; height:100vh; background:var(--bg-alt); flex-direction:column; justify-content:center; gap:24px; padding:40px; transition:right var(--smooth); border-left:1px solid var(--border); }
  .nav.open { right:0; }
  .nav a { font-size:1.1rem; }
  .menu-toggle { display:flex; }
  .hero { min-height:auto; padding:120px 0 60px; }
  .features-grid { grid-template-columns:1fr; }
  .examples-grid { grid-template-columns:1fr; }
  .form-row { grid-template-columns:1fr; }
  .float-card { display:none; }
  .footer-bottom { flex-direction:column; gap:12px; text-align:center; }
  .themes-toggle { justify-content:center; }
}