/*
Theme Name: Airex
Theme URI: https://airex.grupoarezzo.com
Author: Grupo Arezzo
Description: Landing page para Airex - Climatización, aire acondicionado, ventilación y calefacción
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.9
Requires PHP: 8.0
Text Domain: airex
*/

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

:root {
  --air-primary: #1565C0;
  --air-primary-light: #1E88E5;
  --air-dark: #0D2137;
  --air-warm: #FF8F00;
  --air-cool: #E3F2FD;
  --air-light: #F8FBFF;
  --air-text: #2C3E50;
  --air-text-light: #7F8C9B;
  --air-white: #FFFFFF;
  --air-border: rgba(21,101,192,0.1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--air-text);
  background: var(--air-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; transition: all 0.3s; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

.section-label {
  display: inline-block; font-size: 0.75rem; font-weight: 600;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--air-primary); margin-bottom: 12px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 800;
  color: var(--air-dark); margin-bottom: 16px; line-height: 1.15;
}

.section-subtitle { font-size: 1.05rem; color: var(--air-text-light); max-width: 600px; line-height: 1.7; }

/* HEADER */
.site-header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  padding: 16px 0; background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px); border-bottom: 1px solid var(--air-border);
  transition: all 0.4s;
}
.site-header.scrolled { padding: 10px 0; box-shadow: 0 2px 20px rgba(0,0,0,0.06); }

.nav-container {
  max-width: 1140px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}

.logo-text { font-size: 1.5rem; font-weight: 800; color: var(--air-primary); letter-spacing: 2px; }
.logo-text small { display: block; font-size: 0.5rem; font-weight: 500; letter-spacing: 3px; color: var(--air-warm); }

.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { font-size: 0.85rem; font-weight: 500; color: var(--air-text-light); }
.nav-links a:hover { color: var(--air-primary); }

.nav-back {
  color: var(--air-primary) !important; border: 1px solid var(--air-border);
  padding: 6px 16px; border-radius: 50px; font-size: 0.8rem;
}
.nav-back:hover { background: var(--air-primary); color: var(--air-white) !important; }

/* HERO */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(13,33,55,0.8), rgba(21,101,192,0.5), rgba(255,143,0,0.2)); }

.hero-content { position: relative; z-index: 2; max-width: 700px; padding: 120px 0 80px; }
.hero-content .container { padding: 0 24px; }

.hero-badge {
  display: inline-block; font-size: 0.7rem; font-weight: 600;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--air-warm); margin-bottom: 20px; padding: 8px 20px;
  border: 1px solid rgba(255,143,0,0.3); border-radius: 50px;
  background: rgba(255,255,255,0.08); backdrop-filter: blur(6px);
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.2rem); font-weight: 800;
  color: var(--air-white); line-height: 1.1; margin-bottom: 20px;
  text-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.hero h1 em { font-style: normal; color: var(--air-warm); }
.hero p { font-size: 1.1rem; color: rgba(255,255,255,0.9); line-height: 1.7; margin-bottom: 32px; }

.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--air-primary); color: var(--air-white);
  padding: 14px 32px; border-radius: 50px; font-size: 0.9rem; font-weight: 600;
  border: none; cursor: pointer; transition: all 0.3s;
}
.btn-primary:hover { background: var(--air-primary-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(21,101,192,0.3); }

.btn-outline-hero {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--air-white); padding: 14px 32px; border-radius: 50px;
  font-size: 0.9rem; font-weight: 600; border: 1px solid rgba(255,255,255,0.4);
  cursor: pointer; transition: all 0.3s; margin-left: 12px;
}
.btn-outline-hero:hover { background: rgba(255,255,255,0.15); }

/* WAVE DIVIDER */
.wave-divider { height: 60px; background: var(--air-light); position: relative; overflow: hidden; }
.wave-divider::before {
  content: ''; position: absolute; top: -30px; left: 0; right: 0; height: 60px;
  background: var(--air-white); border-radius: 0 0 50% 50%;
}

/* SERVICES */
.services { padding: 80px 0; background: var(--air-light); }
.services .section-header { text-align: center; margin-bottom: 56px; }
.services .section-subtitle { margin: 0 auto; }

.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }

.service-card {
  background: var(--air-white); padding: 36px 28px; border-radius: 16px;
  text-align: center; border: 1px solid var(--air-border); transition: all 0.4s;
}
.service-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(21,101,192,0.08); border-color: var(--air-primary); }

.service-icon {
  width: 60px; height: 60px; margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; background: var(--air-cool); color: var(--air-primary);
}
.service-icon svg { width: 26px; height: 26px; stroke: currentColor; fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }

.service-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--air-dark); margin-bottom: 10px; }
.service-card p { font-size: 0.9rem; color: var(--air-text-light); line-height: 1.6; }

/* PROCESS */
.process { padding: 80px 0; background: var(--air-white); }
.process .section-header { text-align: center; margin-bottom: 56px; }
.process .section-subtitle { margin: 0 auto; }

.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.process-steps::before { content: ''; position: absolute; top: 36px; left: 12%; right: 12%; height: 1px; background: var(--air-border); }

.process-step { text-align: center; position: relative; }
.step-number {
  width: 72px; height: 72px; margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; background: linear-gradient(135deg, var(--air-primary), var(--air-primary-light));
  color: var(--air-white); font-size: 1.4rem; font-weight: 700;
  position: relative; z-index: 1; box-shadow: 0 4px 16px rgba(21,101,192,0.25);
}
.process-step h3 { font-size: 1rem; font-weight: 700; color: var(--air-dark); margin-bottom: 8px; }
.process-step p { font-size: 0.85rem; color: var(--air-text-light); max-width: 220px; margin: 0 auto; }

/* WHY US */
.why-us { padding: 80px 0; background: var(--air-dark); color: var(--air-white); }
.why-us .section-label { color: var(--air-warm); }
.why-us .section-title { color: var(--air-white); }
.why-us .section-subtitle { color: rgba(255,255,255,0.6); margin: 0 auto; }
.why-us .section-header { text-align: center; margin-bottom: 56px; }

.benefits-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }

.benefit-card {
  text-align: center; padding: 32px 24px; border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.06); background: rgba(255,255,255,0.04); transition: all 0.3s;
}
.benefit-card:hover { background: rgba(255,255,255,0.08); transform: translateY(-4px); }
.benefit-icon { font-size: 2rem; margin-bottom: 16px; }
.benefit-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.benefit-card p { font-size: 0.88rem; color: rgba(255,255,255,0.55); line-height: 1.6; }

/* CONTACT */
.contact { padding: 80px 0; background: var(--air-light); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-info h2 { font-size: 2rem; font-weight: 800; color: var(--air-dark); margin-bottom: 16px; }
.contact-info p { color: var(--air-text-light); margin-bottom: 32px; }

.contact-detail { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.contact-detail-icon {
  width: 44px; height: 44px; display: flex; align-items: center; justify-content: center;
  border-radius: 50%; background: var(--air-cool); color: var(--air-primary); flex-shrink: 0;
}
.contact-detail-icon svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 2; }
.contact-detail span { font-size: 0.95rem; }

.contact-form {
  background: var(--air-white); padding: 40px; border-radius: 20px;
  border: 1px solid var(--air-border); box-shadow: 0 8px 30px rgba(0,0,0,0.04);
}
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--air-dark); margin-bottom: 6px; }
.form-group input, .form-group textarea {
  width: 100%; padding: 12px 16px; border: 1px solid var(--air-border);
  border-radius: 10px; font-family: 'Inter', sans-serif; font-size: 0.9rem;
  color: var(--air-text); background: var(--air-light); outline: none; transition: border-color 0.3s;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--air-primary); box-shadow: 0 0 0 3px rgba(21,101,192,0.08); }
.form-group textarea { resize: vertical; min-height: 120px; }

.btn-submit {
  width: 100%; padding: 14px; background: var(--air-primary); color: var(--air-white);
  border: none; border-radius: 50px; font-family: 'Inter', sans-serif; font-size: 0.95rem;
  font-weight: 600; cursor: pointer; transition: all 0.3s;
}
.btn-submit:hover { background: var(--air-primary-light); transform: translateY(-2px); }
.form-success { display: none; text-align: center; padding: 40px 20px; color: var(--air-primary); font-weight: 600; }

/* FOOTER */
.site-footer { padding: 48px 0; background: var(--air-dark); color: rgba(255,255,255,0.6); text-align: center; }
.footer-brands { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; margin-bottom: 24px; }
.footer-brands a { font-size: 0.85rem; color: rgba(255,255,255,0.4); }
.footer-brands a:hover { color: var(--air-warm); }
.footer-divider { width: 60px; height: 1px; background: rgba(255,255,255,0.1); margin: 0 auto 24px; }
.site-footer p { font-size: 0.8rem; }
.footer-parent { display: inline-block; margin-top: 12px; font-size: 0.8rem; color: var(--air-warm); }

.whatsapp-float { position: fixed; bottom: 28px; right: 28px; width: 56px; height: 56px; background: #25D366; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 16px rgba(37,211,102,0.4); z-index: 999; transition: transform 0.3s; }
.whatsapp-float:hover { transform: scale(1.1); }
.whatsapp-float svg { width: 28px; height: 28px; fill: white; }

.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease-out, transform 0.7s ease-out; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.stagger-1 { transition-delay: 0.1s; } .stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; } .stagger-4 { transition-delay: 0.4s; }

/* ============================================
   REDISEÑO v2 — Stories 1.2 a 1.7
   Split route + Calculadora BTU + Segmentación
   ============================================ */

/* SEGMENTO — Split route (Story 1.2) */
.airex-segment { padding: 80px 0; background: var(--air-white); }
.airex-segment .section-header { text-align: center; margin-bottom: 48px; }
.airex-segment .section-subtitle { margin: 0 auto; }

.segment-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; max-width: 900px; margin: 0 auto; }
.segment-card {
  background: var(--air-white); border: 2px solid var(--air-border); border-radius: 20px;
  padding: 40px 32px; text-align: center; cursor: pointer; font-family: inherit;
  transition: all 0.3s ease; position: relative;
}
.segment-card:hover { transform: translateY(-4px); border-color: var(--air-primary); box-shadow: 0 16px 40px rgba(21,101,192,0.12); }
.segment-card.active { border-color: var(--air-primary); background: linear-gradient(135deg, var(--air-cool), var(--air-white)); }
.segment-card.active::before {
  content: '✓'; position: absolute; top: 16px; right: 16px;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--air-primary); color: var(--air-white);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; font-weight: 700;
}
.segment-icon {
  width: 72px; height: 72px; margin: 0 auto 20px; border-radius: 18px;
  background: var(--air-cool); color: var(--air-primary);
  display: flex; align-items: center; justify-content: center;
}
.segment-icon svg { width: 34px; height: 34px; }
.segment-card h3 { font-size: 1.4rem; font-weight: 700; color: var(--air-dark); margin-bottom: 12px; }
.segment-card p { font-size: 0.95rem; color: var(--air-text-light); line-height: 1.6; margin-bottom: 20px; }
.segment-cta { display: inline-block; font-size: 0.85rem; font-weight: 600; color: var(--air-primary); }

/* CALCULADORA BTU (Story 1.3) */
.airex-calculator { padding: 80px 0; background: linear-gradient(180deg, var(--air-light), var(--air-white)); }
.airex-calculator .section-header { text-align: center; margin-bottom: 48px; }
.airex-calculator .section-subtitle { margin: 0 auto; }

.calculator-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; max-width: 980px; margin: 0 auto; }

.calculator-form {
  background: var(--air-white); padding: 36px; border-radius: 20px;
  border: 1px solid var(--air-border); box-shadow: 0 8px 30px rgba(0,0,0,0.04);
}
.calc-group { margin-bottom: 18px; }
.calc-group label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--air-dark); margin-bottom: 6px; }
.calc-group select, .calc-group input {
  width: 100%; padding: 12px 14px; border: 1px solid var(--air-border);
  border-radius: 10px; font-family: inherit; font-size: 0.9rem; color: var(--air-text);
  background: var(--air-light); outline: none; transition: border-color 0.3s;
}
.calc-group select:focus, .calc-group input:focus { border-color: var(--air-primary); box-shadow: 0 0 0 3px rgba(21,101,192,0.08); }
.btn-calc { width: 100%; margin-top: 8px; padding: 14px; justify-content: center; }
.calc-disclaimer { margin-top: 14px; font-size: 0.75rem; color: var(--air-text-light); text-align: center; line-height: 1.5; }

.calculator-result {
  background: linear-gradient(135deg, var(--air-primary), var(--air-dark));
  border-radius: 20px; padding: 40px; color: var(--air-white);
  display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center;
  box-shadow: 0 16px 40px rgba(21,101,192,0.25);
}
.result-empty { color: rgba(255,255,255,0.8); }
.result-icon { width: 72px; height: 72px; border-radius: 50%; background: rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; }
.result-icon svg { width: 34px; height: 34px; stroke: rgba(255,255,255,0.8); fill: none; }
.result-empty h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; color: var(--air-white); }
.result-empty p { font-size: 0.9rem; color: rgba(255,255,255,0.7); }

.result-filled { width: 100%; }
.result-label { display: block; font-size: 0.75rem; font-weight: 600; letter-spacing: 3px; text-transform: uppercase; color: var(--air-warm); margin-bottom: 12px; }
.result-btu { font-size: clamp(2.5rem, 6vw, 3.5rem); font-weight: 800; color: var(--air-white); margin-bottom: 24px; line-height: 1; }
.result-detail { font-size: 0.95rem; color: rgba(255,255,255,0.9); margin-bottom: 10px; }
.result-detail strong { color: var(--air-warm); }
.btn-result-cta { margin-top: 24px; background: var(--air-warm); }
.btn-result-cta:hover { background: #FFA726; }

/* SEGMENTACIÓN POR DATA-SEGMENT — filtrado declarativo */
body.airex-segment-residencial [data-segment="comercial"],
body.airex-segment-comercial [data-segment="residencial"] { display: none; }

/* EFICIENCIA ENERGÉTICA (Story 1.5) */
.airex-efficiency { padding: 80px 0; background: var(--air-white); }
.airex-efficiency .section-header { text-align: center; margin-bottom: 48px; }
.airex-efficiency .section-subtitle { margin: 0 auto; }

.efficiency-table {
  max-width: 860px; margin: 0 auto;
  background: var(--air-white); border-radius: 16px; overflow: hidden;
  box-shadow: 0 8px 30px rgba(0,0,0,0.06); border: 1px solid var(--air-border);
}
.eff-row {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr;
  padding: 16px 24px; border-bottom: 1px solid var(--air-border);
  align-items: center; font-size: 0.95rem;
}
.eff-row:last-child { border-bottom: none; }
.eff-head { background: var(--air-dark); color: var(--air-white); font-weight: 700; font-size: 0.85rem; letter-spacing: 0.5px; }
.eff-highlight { color: var(--air-primary); font-weight: 600; }
.eff-head .eff-highlight { color: var(--air-warm); }
.eff-note { text-align: center; font-size: 0.85rem; color: var(--air-text-light); margin-top: 20px; max-width: 600px; margin-left: auto; margin-right: auto; }

/* CASOS (Story 1.6) */
.airex-cases { padding: 80px 0; background: var(--air-light); }
.airex-cases .section-header { text-align: center; margin-bottom: 48px; }
.airex-cases .section-subtitle { margin: 0 auto; }

.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  background: var(--air-white); padding: 28px; border-radius: 16px;
  border: 1px solid var(--air-border); transition: all 0.3s;
}
.case-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(21,101,192,0.08); }
.case-tag {
  display: inline-block; font-size: 0.7rem; font-weight: 600; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--air-warm); margin-bottom: 12px;
  padding: 4px 12px; border-radius: 50px; background: rgba(255,143,0,0.1);
}
.case-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--air-dark); margin-bottom: 12px; line-height: 1.4; }
.case-card p { font-size: 0.9rem; color: var(--air-text-light); line-height: 1.6; margin-bottom: 8px; }
.case-card p:last-child { margin-bottom: 0; }
.case-card strong { color: var(--air-primary); }

/* CONTACT FORM enhancement para Story 1.7 */
.form-group select {
  width: 100%; padding: 12px 16px; border: 1px solid var(--air-border);
  border-radius: 10px; font-family: inherit; font-size: 0.9rem; color: var(--air-text);
  background: var(--air-light); outline: none; transition: border-color 0.3s;
}
.form-group select:focus { border-color: var(--air-primary); box-shadow: 0 0 0 3px rgba(21,101,192,0.08); }

/* RESPONSIVE */
@media (max-width: 900px) {
  .segment-grid, .calculator-grid, .cases-grid { grid-template-columns: 1fr; }
  .calculator-result { padding: 32px 24px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero h1 { font-size: 2.2rem; }
  .services-grid, .benefits-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .process-steps::before { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .eff-row { grid-template-columns: 1fr; gap: 6px; padding: 12px 16px; }
  .eff-head { display: none; }
  .eff-row > div:first-child { font-weight: 700; color: var(--air-dark); font-size: 0.9rem; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; }
  .process-steps { grid-template-columns: 1fr; }
  .btn-outline-hero { margin-left: 0; margin-top: 10px; }
  .segment-card { padding: 28px 20px; }
  .calculator-form, .calculator-result { padding: 24px; }
}