/*
Theme Name: Structo
Theme URI: https://structo.grupoarezzo.com
Author: Grupo Arezzo
Description: Landing page para Structo - Mobiliario, remodelaciones y mantenimiento
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.9
Requires PHP: 8.0
Text Domain: structo
*/

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

:root {
  /* Colores oficiales Structo (brand-visual-identity.md) */
  --str-primary: #1DA48C;
  --str-primary-light: #34B59C;
  --str-primary-dark: #178772;
  --str-dark: #1A2332;
  --str-darker: #0F1720;
  --str-warm: #F5F0EB;
  --str-light: #F7F9FA;
  --str-accent: #FFA726;
  --str-text: #2C3E50;
  --str-text-light: #7F8C9B;
  --str-white: #FFFFFF;
  --str-border: rgba(29,164,140,0.1);
  /* Tipografías oficiales Grupo Arezzo (sustitutos web) */
  --str-font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --str-font-body: 'Cabin', 'Helvetica', 'Arial', sans-serif;
}

html { scroll-behavior: smooth; }
body { font-family: var(--str-font-body); color: var(--str-text); background: var(--str-white); line-height: 1.7; -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, h5, h6, .section-title, .hero h1, .section-label { font-family: var(--str-font-display); letter-spacing: 0.02em; }
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(--str-primary); margin-bottom: 12px; }
.section-title { font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 700; color: var(--str-dark); margin-bottom: 16px; line-height: 1.15; }
.section-subtitle { font-size: 1.05rem; color: var(--str-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(--str-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 { display: inline-flex; flex-direction: column; align-items: center; gap: 2px; line-height: 1; }
.site-logo { height: 68px; width: auto; display: block; }
.site-logo-tagline { font-size: 0.55rem; font-weight: 500; letter-spacing: 2.5px; color: #9aa5b1; text-transform: uppercase; font-family: var(--str-font-body); opacity: 0.9; }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { font-size: 0.85rem; font-weight: 500; color: var(--str-text-light); }
.nav-links a:hover { color: var(--str-primary); }
.nav-back { color: var(--str-primary) !important; border: 1px solid var(--str-border); padding: 6px 16px; border-radius: 8px; font-size: 0.8rem; }
.nav-back:hover { background: var(--str-primary); color: var(--str-white) !important; }

/* DEC-006 — boton Grupo Arezzo solido + CTA principal outline */
.nav-group {
  background: var(--str-primary) !important;
  color: var(--str-white) !important;
  padding: 10px 22px !important;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: all 0.3s;
}
.nav-group:hover {
  background: var(--str-primary-dark) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(29,164,140,0.3);
}
.nav-cta-outline {
  color: var(--str-primary-dark) !important;
  border: 1.5px solid var(--str-primary);
  padding: 9px 20px !important;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  background: transparent;
  transition: all 0.3s;
}
.nav-cta-outline:hover {
  background: rgba(29,164,140,0.1) !important;
  color: var(--str-primary-dark) !important;
  border-color: var(--str-primary-dark);
}

/* DEC-006 6.3 — Indicador de seccion activa: barra teal que se expande del centro (metafora tabs ejecutivos) */
.nav-links a[href^="#"]:not(.nav-cta-outline) { position: relative; }
.nav-links a[href^="#"]:not(.nav-cta-outline)::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  right: 50%;
  height: 2px;
  background: var(--str-primary);
  transition: left 0.35s ease, right 0.35s ease;
  border-radius: 2px;
}
.nav-links a[href^="#"].is-active:not(.nav-cta-outline) {
  color: var(--str-primary) !important;
}
.nav-links a[href^="#"].is-active:not(.nav-cta-outline)::after {
  left: 0;
  right: 0;
}
.nav-cta-outline.is-active {
  background: rgba(29,164,140,0.12) !important;
  border-color: var(--str-primary-dark) !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(26,35,50,0.9), rgba(0,0,0,0.72) 50%, rgba(29,164,140,0.22)); }
.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(--str-white); margin-bottom: 20px; padding: 8px 20px; border: 1.5px solid rgba(29,164,140,0.9); border-radius: 8px; background: rgba(29,164,140,0.5); }
.hero h1 { font-size: clamp(2.8rem, 6vw, 4.2rem); font-weight: 700; color: var(--str-white); line-height: 1.1; margin-bottom: 20px; text-shadow: 0 4px 30px rgba(0,0,0,0.4); }
.hero h1 em { font-style: normal; color: var(--str-primary); }
.hero p { font-size: 1.1rem; color: rgba(255,255,255,0.85); line-height: 1.7; margin-bottom: 32px; }

.btn-primary { display: inline-flex; align-items: center; gap: 8px; background: var(--str-primary); color: var(--str-white); padding: 14px 32px; border-radius: 8px; font-size: 0.9rem; font-weight: 600; border: none; cursor: pointer; transition: all 0.3s; }
.btn-primary:hover { background: var(--str-primary-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(29,164,140,0.3); }
.btn-outline-hero { display: inline-flex; align-items: center; gap: 8px; color: var(--str-white); padding: 14px 32px; border-radius: 8px; font-size: 0.9rem; font-weight: 600; border: 1px solid rgba(255,255,255,0.3); cursor: pointer; transition: all 0.3s; margin-left: 12px; }
.btn-outline-hero:hover { background: rgba(255,255,255,0.1); }

/* TEAL DIVIDER */
.teal-divider { height: 3px; background: linear-gradient(90deg, var(--str-primary), var(--str-accent), var(--str-primary)); }

/* SERVICES */
.services { padding: 80px 0; background: var(--str-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(--str-white); padding: 36px 28px; border-radius: 8px; text-align: center; border: 1px solid var(--str-border); transition: all 0.4s; border-top: 3px solid transparent; }
.service-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(29,164,140,0.08); border-top-color: var(--str-primary); }
.service-icon { width: 60px; height: 60px; margin: 0 auto 20px; display: flex; align-items: center; justify-content: center; border-radius: 8px; background: rgba(29,164,140,0.08); color: var(--str-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(--str-dark); margin-bottom: 10px; }
.service-card p { font-size: 0.9rem; color: var(--str-text-light); line-height: 1.6; }

/* PROCESS */
.process { padding: 80px 0; background: var(--str-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: 2px; background: var(--str-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: 8px; background: var(--str-primary); color: var(--str-white); font-size: 1.4rem; font-weight: 700; position: relative; z-index: 1; box-shadow: 0 4px 16px rgba(29,164,140,0.25); }
.process-step h3 { font-size: 1rem; font-weight: 700; color: var(--str-dark); margin-bottom: 8px; }
.process-step p { font-size: 0.85rem; color: var(--str-text-light); max-width: 220px; margin: 0 auto; }

/* WHY US */
.why-us { padding: 80px 0; background: var(--str-dark); color: var(--str-white); }
.why-us .section-label { color: var(--str-accent); }
.why-us .section-title { color: var(--str-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: 8px; border: 1px solid rgba(255,255,255,0.06); background: rgba(255,255,255,0.03); transition: all 0.3s; }
.benefit-card:hover { background: rgba(255,255,255,0.06); 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(--str-warm); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-info h2 { font-size: 2rem; font-weight: 700; color: var(--str-dark); margin-bottom: 16px; }
.contact-info p { color: var(--str-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: 8px; background: rgba(29,164,140,0.08); color: var(--str-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(--str-white); padding: 40px; border-radius: 12px; border: 1px solid var(--str-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(--str-dark); margin-bottom: 6px; }
.form-group input, .form-group textarea { width: 100%; padding: 12px 16px; border: 1px solid var(--str-border); border-radius: 8px; font-family: var(--str-font-body); font-size: 0.9rem; color: var(--str-text); background: var(--str-light); outline: none; transition: border-color 0.3s; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--str-primary); box-shadow: 0 0 0 3px rgba(29,164,140,0.08); }
.form-group textarea { resize: vertical; min-height: 120px; }
.btn-submit { width: 100%; padding: 14px; background: var(--str-primary); color: var(--str-white); border: none; border-radius: 8px; font-family: var(--str-font-body); font-size: 0.95rem; font-weight: 600; cursor: pointer; transition: all 0.3s; }
.btn-submit:hover { background: var(--str-primary-light); transform: translateY(-2px); }
.form-success { display: none; text-align: center; padding: 40px 20px; color: var(--str-primary); font-weight: 600; }

/* FOOTER */
.site-footer { padding: 48px 0; background: var(--str-darker); 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(--str-primary); }
.footer-divider { width: 60px; height: 1px; background: rgba(29,164,140,0.3); 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(--str-accent); }
.footer-group { color: var(--str-primary) !important; font-weight: 600; transition: color 0.3s; }
.footer-group:hover { color: var(--str-primary-light) !important; }

.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; }

@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; }
}
@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; } }

/* ============================================
   REDISEÑO v2 — Stories 7.2 a 7.7
   Split triple + Antes/Después + Catálogo + Casos
   ============================================ */

/* TABS MODERNAS P1 (DEC-003 piloto Structo) */
.structo-segment { padding: 80px 0; background: var(--str-white, #fff); }
.structo-segment .section-header { text-align: center; margin-bottom: 40px; }
.structo-segment .section-subtitle { margin: 0 auto; }

.st-tabs {
  display: flex;
  justify-content: center;
  gap: 0;
  border-bottom: 2px solid var(--str-border, #e0e0e0);
  margin-bottom: 48px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.st-tabs::-webkit-scrollbar { display: none; }

.st-tab {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 18px 32px;
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  color: var(--str-text-light, #666);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.25s ease, border-color 0.25s ease;
  white-space: nowrap;
}
.st-tab:hover { color: var(--str-primary, #1DA48C); }
.st-tab.active {
  color: var(--str-primary, #1DA48C);
  font-weight: 700;
  border-bottom-color: var(--str-primary, #1DA48C);
}
.st-tab-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.st-tab-panels {
  position: relative;
  min-height: 300px;
  max-width: 960px;
  margin: 0 auto;
}
.st-tab-panel {
  opacity: 0;
  visibility: hidden;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0s linear 0.3s;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 20px 8px;
}
.st-tab-panel.active {
  opacity: 1;
  visibility: visible;
  position: relative;
  transform: translateY(0);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0s linear 0s;
}
.st-panel-text h3 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--str-dark, #1b1b2f);
  margin-bottom: 12px;
}
.st-panel-text p {
  font-size: 1.05rem;
  color: var(--str-text-light, #555);
  line-height: 1.65;
  margin-bottom: 20px;
}
.st-panel-highlights {
  list-style: none;
  padding: 0;
  margin: 0;
}
.st-panel-highlights li {
  font-size: 0.95rem;
  color: var(--str-dark, #1b1b2f);
  padding: 12px 0 12px 32px;
  position: relative;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.st-panel-highlights li:last-child { border-bottom: 0; }
.st-panel-highlights li::before {
  content: '→';
  position: absolute;
  left: 4px;
  top: 12px;
  color: var(--str-primary, #1DA48C);
  font-weight: 700;
}
.st-panel-cta-block { text-align: center; }
.st-panel-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  background: var(--str-primary, #1DA48C);
  color: var(--str-white, #fff) !important;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 8px 24px rgba(29,164,140,0.2);
}
.st-panel-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(29,164,140,0.3);
}

/* Filtrado triple */
body.str-segment-hogar [data-st-segment="oficina"],
body.str-segment-hogar [data-st-segment="institucional"],
body.str-segment-oficina [data-st-segment="hogar"],
body.str-segment-oficina [data-st-segment="institucional"],
body.str-segment-institucional [data-st-segment="hogar"],
body.str-segment-institucional [data-st-segment="oficina"] { display: none; }

/* ANTES/DESPUÉS (Story 7.3) */
.structo-ad { padding: 80px 0; background: var(--str-light, #fafaf8); }
.structo-ad .section-header { text-align: center; margin-bottom: 48px; }
.structo-ad .section-subtitle { margin: 0 auto; }
.ad-grid-st { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; max-width: 1100px; margin: 0 auto; }
.ad-card-st { background: var(--str-white, #fff); border-radius: 12px; overflow: hidden; box-shadow: 0 8px 24px rgba(0,0,0,0.06); transition: transform 0.3s; }
.ad-card-st:hover { transform: translateY(-4px); }
.ad-card-st.st-hidden { display: none; }

.ad-slider { position: relative; width: 100%; height: 280px; cursor: ew-resize; user-select: none; overflow: hidden; background: #000; }
.ad-before, .ad-after { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-size: cover; background-position: center; }
.ad-after { clip-path: inset(0 0 0 50%); transition: clip-path 0.1s; }
.ad-handle {
  position: absolute; top: 0; bottom: 0; left: 50%; width: 3px;
  background: var(--str-primary, #1DA48C); transform: translateX(-50%);
  pointer-events: none; transition: left 0.1s;
}
.ad-handle::before, .ad-handle::after {
  content: ''; position: absolute; left: 50%; top: 50%; width: 34px; height: 34px;
  border-radius: 50%; background: var(--str-primary, #1DA48C); transform: translate(-50%, -50%);
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.ad-handle::after { width: 12px; height: 12px; background: #fff; }

.ad-body-st { padding: 20px 24px; }
.ad-body-st h3 { font-size: 1.1rem; font-weight: 700; color: var(--str-dark, #1b1b2f); margin-bottom: 6px; }
.ad-meta-st { font-size: 0.82rem; color: var(--str-primary, #1DA48C); letter-spacing: 0.3px; }

/* CATÁLOGO (Story 7.4) */
.structo-catalogo { padding: 80px 0; background: var(--str-white, #fff); }
.structo-catalogo .section-header { text-align: center; margin-bottom: 32px; }
.structo-catalogo .section-subtitle { margin: 0 auto; }
.st-cat-filters { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-bottom: 40px; }
.st-cat-btn {
  padding: 8px 18px; background: transparent; border: 1px solid rgba(29,164,140,0.2);
  border-radius: 50px; font-family: inherit; font-size: 0.82rem; font-weight: 600;
  color: var(--str-dark, #1b1b2f); cursor: pointer; transition: all 0.25s;
}
.st-cat-btn:hover { border-color: var(--str-primary, #1DA48C); color: var(--str-primary, #1DA48C); }
.st-cat-btn.active { background: var(--str-primary, #1DA48C); color: #fff; border-color: var(--str-primary, #1DA48C); }
.st-catalogo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.st-cat-card {
  background: var(--str-light, #fafaf8); padding: 24px; border-radius: 12px;
  border: 1px solid rgba(29,164,140,0.08); text-align: center; transition: all 0.3s;
}
.st-cat-card:hover { transform: translateY(-4px); border-color: rgba(29,164,140,0.3); }
.st-cat-card.st-cat-hidden { display: none; }
.st-cat-icon { font-size: 2.2rem; margin-bottom: 12px; }
.st-cat-card h3 { font-size: 1rem; font-weight: 700; color: var(--str-dark, #1b1b2f); margin-bottom: 8px; }
.st-cat-card p { font-size: 0.86rem; color: #666; line-height: 1.5; }

/* CASOS (Story 7.6) */
.structo-casos { padding: 80px 0; background: var(--str-light, #fafaf8); }
.structo-casos .section-header { text-align: center; margin-bottom: 48px; }
.structo-casos .section-subtitle { margin: 0 auto; }
.st-casos-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; max-width: 1100px; margin: 0 auto; }
.st-caso-card {
  background: var(--str-white, #fff); padding: 24px; border-radius: 12px;
  border: 1px solid rgba(29,164,140,0.08); transition: all 0.3s;
}
.st-caso-card:hover { transform: translateY(-4px); border-color: rgba(29,164,140,0.3); }
.st-caso-tag {
  display: inline-block; font-size: 0.72rem; font-weight: 700; letter-spacing: 1.5px;
  text-transform: uppercase; color: #fff; margin-bottom: 10px;
  padding: 4px 12px; border-radius: 50px; background: var(--str-primary, #1DA48C);
}
.st-caso-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--str-dark, #1b1b2f); margin-bottom: 8px; line-height: 1.4; }
.st-caso-metric { font-size: 0.82rem; color: var(--str-primary, #1DA48C); letter-spacing: 0.3px; margin-bottom: 12px; font-weight: 600; }
.st-caso-card p { font-size: 0.88rem; color: #555; line-height: 1.6; margin-bottom: 6px; }
.st-caso-card strong { color: var(--str-dark, #1b1b2f); }

/* FORM (Story 7.7) */
.form-group select {
  width: 100%; padding: 12px 16px; border: 1px solid rgba(29,164,140,0.15);
  border-radius: 10px; font-family: inherit; font-size: 0.9rem;
  background: var(--str-light, #fafaf8); color: var(--str-dark, #1b1b2f);
  outline: none; transition: border-color 0.3s;
}
.form-group select:focus { border-color: var(--str-primary, #1DA48C); }

/* RESPONSIVE v2 */
@media (max-width: 1024px) {
  .st-catalogo-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .st-tab-panel { grid-template-columns: 1fr; gap: 28px; text-align: center; }
  .st-panel-highlights li { text-align: left; }
}
@media (max-width: 700px) {
  .ad-grid-st, .st-catalogo-grid, .st-casos-grid { grid-template-columns: 1fr; }
  .ad-slider { height: 220px; }
  .st-tabs { justify-content: flex-start; padding: 0 8px; }
  .st-tab { padding: 14px 18px; font-size: 0.95rem; }
  .st-tab-icon { width: 20px; height: 20px; }
  .st-panel-text h3 { font-size: 1.4rem; }
  .st-panel-text p { font-size: 1rem; }
}