@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

/* ============================================================
   Design Tokens
   ============================================================ */
:root {
  --primary: #1E3A8A;
  --primary-dark: #172E6E;
  --primary-light: #DBEAFE;
  --accent: #DC2626;
  --accent-dark: #B91C1C;
  --accent-light: #FEE2E2;
  --secondary: #2563EB;
  --secondary-light: #EFF6FF;
  --bg: #FFFFFF;
  --bg-secondary: #F8FAFC;
  --bg-dark: #0F172A;
  --text: #0F172A;
  --text-secondary: #64748B;
  --text-light: #94A3B8;
  --border: #E2E8F0;
  --border-light: #F1F5F9;
  --font-sans: 'Poppins', ui-sans-serif, system-ui, sans-serif;
  --star-color: #F59E0B;
  --emerald: #059669;
  --emerald-light: #ECFDF5;
  --whatsapp: #25D366;
}

/* ============================================================
   Reset & Base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }
address { font-style: normal; }
input, select, textarea { font-family: inherit; font-size: inherit; }

/* Focus visible */
*:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 4px; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #CBD5E1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94A3B8; }
.scrollbar-none::-webkit-scrollbar { display: none; }
.scrollbar-none { -ms-overflow-style: none; scrollbar-width: none; }

/* ============================================================
   Layout
   ============================================================ */
.container { max-width: 80rem; margin: 0 auto; padding: 0 1.5rem; }
.container-sm { max-width: 48rem; margin: 0 auto; padding: 0 1.5rem; }

.section-padding { padding: 6rem 0; }
@media (min-width: 1024px) { .section-padding { padding: 8rem 0; } }

.grid-2 { display: grid; gap: 2rem; }
.grid-3 { display: grid; gap: 2rem; }
.grid-4 { display: grid; gap: 2.5rem; }
@media (min-width: 640px) { .grid-2, .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.flex-center { display: flex; align-items: center; justify-content: center; }
.text-center { text-align: center; }

/* ============================================================
   Typography
   ============================================================ */
.section-title { font-size: 2.25rem; font-weight: 700; letter-spacing: -0.025em; color: var(--text); line-height: 1.1; }
@media (min-width: 640px) { .section-title { font-size: 3rem; } }
.section-subtitle { margin-top: 1rem; font-size: 1.125rem; color: var(--text-secondary); }

/* ============================================================
   Gradients
   ============================================================ */
.gradient-primary { background: linear-gradient(135deg, #1E3A8A 0%, #2563EB 100%); }
.gradient-hero { background: linear-gradient(160deg, #0F172A 0%, #1E3A8A 50%, #2563EB 100%); }
.gradient-accent { background: linear-gradient(135deg, #DC2626 0%, #EF4444 100%); }

/* Glass */
.glass {
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.5);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-weight: 600; font-size: 0.875rem; border-radius: 9999px;
  padding: 0.75rem 2rem; transition: all 0.3s cubic-bezier(0.16,1,0.3,1);
}
.btn-lg { padding: 1rem 2.5rem; font-size: 1rem; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: scale(1.02); box-shadow: 0 8px 24px rgba(30,58,138,0.25); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); transform: scale(1.02); box-shadow: 0 8px 24px rgba(220,38,38,0.25); }
.btn-white { background: #fff; color: var(--primary); }
.btn-white:hover { background: #F9FAFB; transform: scale(1.02); }
.btn-outline { border: 2px solid rgba(255,255,255,0.4); color: #fff; background: transparent; }
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.6); }
.btn-ghost { border: 1px solid rgba(255,255,255,0.3); background: rgba(255,255,255,0.1); backdrop-filter: blur(8px); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,0.2); border-color: rgba(255,255,255,0.5); }

/* ============================================================
   Cards
   ============================================================ */
.card {
  background: #fff; border-radius: 1rem; padding: 1.75rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  transition: transform 0.35s cubic-bezier(0.16,1,0.3,1), box-shadow 0.35s cubic-bezier(0.16,1,0.3,1);
}
.card:hover { transform: translateY(-6px); box-shadow: 0 20px 40px rgba(15,23,42,0.08), 0 8px 16px rgba(15,23,42,0.04); }

/* ============================================================
   Animations
   ============================================================ */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .5; } }

.animate-fade-in-up { animation: fadeInUp 0.7s cubic-bezier(0.16,1,0.3,1) forwards; }
.animate-fade-in { animation: fadeIn 0.5s ease-out forwards; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* ============================================================
   Header
   ============================================================ */
.site-header { position: sticky; top: 0; z-index: 50; width: 100%; }
.header-topbar {
  background: var(--primary); color: #fff;
  font-size: 0.75rem; letter-spacing: 0.05em; font-weight: 500;
  padding: 0.5rem 0; text-align: center;
}
.header-topbar span { margin: 0 0.75rem; }
.header-main {
  background: #fff; transition: all 0.3s;
  padding: 1rem 0;
}
.header-main.scrolled { background: rgba(255,255,255,0.72); backdrop-filter: blur(20px) saturate(180%); border-bottom: 1px solid #F1F5F9; }
.header-inner { display: flex; align-items: center; justify-content: space-between; max-width: 80rem; margin: 0 auto; padding: 0 1.5rem; }
.logo { display: flex; align-items: center; gap: 0.625rem; }
.logo-icon { width: 2.25rem; height: 2.25rem; background: var(--primary); border-radius: 0.5rem; display: flex; align-items: center; justify-content: center; }
.logo-icon svg { width: 1.25rem; height: 1.25rem; fill: #fff; }
.logo-text { font-size: 1.125rem; font-weight: 700; letter-spacing: -0.025em; line-height: 1.1; }
.logo-text .blue { color: var(--primary); }
.logo-text .red { color: var(--accent); }
.logo-sub { font-size: 9px; font-weight: 500; color: var(--text-secondary); letter-spacing: 0.1em; text-transform: uppercase; }

/* Desktop nav */
.desktop-nav { display: none; align-items: center; gap: 0.25rem; }
.desktop-nav a {
  padding: 0.5rem 0.75rem; font-size: 0.875rem; font-weight: 500;
  color: var(--text-secondary); transition: color 0.2s;
}
.desktop-nav a:hover { color: var(--primary); }
.header-cta { display: none; align-items: center; gap: 1.5rem; }
.header-phone { display: flex; align-items: center; gap: 0.5rem; font-size: 0.875rem; font-weight: 500; color: var(--primary); }
.header-phone:hover { color: var(--primary-dark); }

@media (min-width: 1024px) {
  .desktop-nav, .header-cta { display: flex; }
  .mobile-controls { display: none; }
  .header-topbar-inner { display: flex; }
}

/* Mobile controls */
.mobile-controls { display: flex; align-items: center; gap: 0.75rem; }
.mobile-phone-btn {
  width: 2.5rem; height: 2.5rem; border-radius: 50%;
  border: 1px solid var(--border); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
}
.mobile-phone-btn:hover { border-color: var(--primary); background: var(--primary-light); }
.hamburger {
  width: 2.5rem; height: 2.5rem; border-radius: 0.5rem;
  display: flex; align-items: center; justify-content: center;
  color: var(--text); transition: background 0.2s;
}
.hamburger:hover { background: var(--bg-secondary); }

@media (min-width: 1024px) {
  .header-topbar-wrap { display: block; }
}
.header-topbar-wrap { display: none; }
@media (min-width: 1024px) { .header-topbar-wrap { display: block; } }

/* Mobile menu overlay */
.mobile-menu {
  position: fixed; inset: 0; z-index: 100;
  opacity: 0; pointer-events: none; transition: opacity 0.3s;
}
.mobile-menu.open { opacity: 1; pointer-events: auto; }
.mobile-menu-backdrop {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.2); backdrop-filter: blur(4px);
}
.mobile-menu-panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: 100%;
  background: #fff; display: flex; flex-direction: column;
  transform: translateX(100%); transition: transform 0.3s ease-out;
  overflow-y: auto;
}
.mobile-menu.open .mobile-menu-panel { transform: translateX(0); }
.mobile-menu-header { display: flex; align-items: center; justify-content: space-between; padding: 1.25rem 1.5rem; }
.mobile-menu-close {
  width: 2.5rem; height: 2.5rem; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); transition: all 0.2s;
}
.mobile-menu-close:hover { background: var(--bg-secondary); color: var(--text); }
.mobile-menu-links { flex: 1; padding: 2rem 1.5rem; }
.mobile-menu-links a {
  display: block; padding: 0.875rem 1rem; font-size: 1.125rem;
  font-weight: 500; color: var(--text); border-radius: 0.75rem;
  transition: all 0.2s;
}
.mobile-menu-links a:hover { color: var(--primary); background: var(--bg-secondary); }
.mobile-menu-footer { padding: 1rem 1.5rem 2.5rem; display: flex; flex-direction: column; gap: 0.75rem; }

/* ============================================================
   Hero
   ============================================================ */
.hero { position: relative; min-height: 90vh; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: opacity 1s ease-in-out; z-index: 0; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(to right, rgba(15,23,42,0.9), rgba(15,23,42,0.7), rgba(15,23,42,0.4)); z-index: 1; }
.hero-content { position: relative; z-index: 10; max-width: 80rem; width: 100%; margin: 0 auto; padding: 6rem 1.5rem; }
@media (min-width: 1024px) { .hero-content { padding: 0 1.5rem; } }
.hero-content-inner { max-width: 42rem; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  border-radius: 9999px; background: rgba(255,255,255,0.1);
  backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,0.2);
  padding: 0.5rem 1rem; font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.05em; text-transform: uppercase; color: #fff;
}
.hero h1 {
  margin-top: 2rem; font-size: 2.25rem; font-weight: 700;
  line-height: 1.1; letter-spacing: -0.025em; color: #fff;
}
@media (min-width: 640px) { .hero h1 { font-size: 3rem; } }
@media (min-width: 1024px) { .hero h1 { font-size: 3.75rem; } }
.hero h1 .accent { color: var(--accent); }
.hero-sub { margin-top: 1.5rem; font-size: 1.125rem; line-height: 1.7; color: rgba(255,255,255,0.7); max-width: 32rem; }
.hero-buttons { margin-top: 2.5rem; display: flex; flex-direction: column; gap: 1rem; }
@media (min-width: 640px) { .hero-buttons { flex-direction: row; } }
.hero-trust { margin-top: 2.5rem; display: flex; flex-wrap: wrap; gap: 1.5rem; }
.hero-trust span { display: flex; align-items: center; gap: 0.5rem; font-size: 0.875rem; color: rgba(255,255,255,0.6); }
.hero-trust svg { width: 1rem; height: 1rem; fill: var(--accent); }
.hero-indicators { position: absolute; bottom: 8rem; left: 50%; transform: translateX(-50%); z-index: 10; display: flex; gap: 0.5rem; }
.hero-dot { height: 0.5rem; border-radius: 9999px; transition: all 0.3s; border: none; }
.hero-dot.active { width: 1.5rem; background: #fff; }
.hero-dot:not(.active) { width: 0.5rem; background: rgba(255,255,255,0.4); }
.hero-dot:not(.active):hover { background: rgba(255,255,255,0.6); }
.hero-fade { position: absolute; bottom: 0; left: 0; right: 0; height: 6rem; background: linear-gradient(to top, #fff, transparent); z-index: 2; }

/* ============================================================
   Trust Bar
   ============================================================ */
.trust-bar { background: #fff; border-top: 1px solid #F1F5F9; border-bottom: 1px solid #F1F5F9; padding: 1.25rem 0; }
.trust-bar-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; overflow-x: auto; }
.trust-item { display: flex; align-items: center; gap: 0.625rem; flex-shrink: 0; }
.trust-item svg { color: var(--primary); width: 1.25rem; height: 1.25rem; fill: var(--primary); }
.trust-item span { font-size: 0.875rem; font-weight: 500; color: var(--text); white-space: nowrap; }

/* ============================================================
   Services Section
   ============================================================ */
.services-tabs { margin-top: 2.5rem; display: flex; justify-content: center; }
.tabs-container { display: inline-flex; border-radius: 9999px; background: var(--bg-secondary); padding: 0.375rem; }
.tab-btn {
  border-radius: 9999px; padding: 0.75rem 2rem; font-size: 0.875rem; font-weight: 600;
  transition: all 0.3s; color: var(--text-secondary);
}
.tab-btn.active { background: var(--primary); color: #fff; box-shadow: 0 1px 3px rgba(0,0,0,0.1); }
.tab-btn:not(.active):hover { color: var(--text); }
.services-grid { margin-top: 3.5rem; }
.service-card {
  display: flex; flex-direction: column; border-radius: 1rem;
  background: #fff; padding: 1.75rem; box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  transition: all 0.35s cubic-bezier(0.16,1,0.3,1);
  text-decoration: none; color: inherit;
}
.service-card:hover { transform: translateY(-6px); box-shadow: 0 20px 40px rgba(15,23,42,0.08); }
.service-icon {
  width: 3rem; height: 3rem; border-radius: 0.75rem;
  display: flex; align-items: center; justify-content: center;
}
.service-icon svg { width: 1.5rem; height: 1.5rem; }
.service-icon.blue { background: var(--primary-light); color: var(--primary); }
.service-icon.blue svg { fill: var(--primary); }
.service-icon.red { background: var(--accent-light); color: var(--accent); }
.service-icon.red svg { fill: var(--accent); }
.service-card h3 { margin-top: 1.25rem; font-size: 1rem; font-weight: 600; color: var(--text); transition: color 0.2s; }
.service-card:hover h3 { color: var(--primary); }
.service-card p { margin-top: 0.5rem; flex: 1; font-size: 0.875rem; line-height: 1.7; color: var(--text-secondary); }
.service-card .link { margin-top: 1.25rem; display: inline-flex; align-items: center; gap: 0.375rem; font-size: 0.875rem; font-weight: 600; color: var(--primary); }
.service-card .link svg { transition: transform 0.2s; }
.service-card:hover .link svg { transform: translateX(4px); }

/* ============================================================
   How It Works
   ============================================================ */
.step-number { font-size: 4.5rem; font-weight: 700; color: rgba(220,38,38,0.1); line-height: 1; user-select: none; }
.step-title { font-size: 1.125rem; font-weight: 600; color: var(--text); }
.step-desc { margin-top: 0.75rem; font-size: 0.875rem; line-height: 1.7; color: var(--text-secondary); max-width: 18rem; margin-left: auto; margin-right: auto; }

/* ============================================================
   Before / After Slider
   ============================================================ */
.ba-slider {
  position: relative; width: 100%; aspect-ratio: 16/9;
  cursor: ew-resize; user-select: none; overflow: hidden;
  border-radius: 1rem;
}
.ba-slider img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.ba-before { position: absolute; inset: 0; overflow: hidden; }
.ba-before img { min-width: var(--full-width, 100%); }
.ba-divider {
  position: absolute; top: 0; bottom: 0; z-index: 10;
  width: 2px; background: #fff; transform: translateX(-50%);
}
.ba-handle {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 3rem; height: 3rem; border-radius: 50%;
  background: #fff; border: 2px solid var(--primary);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.ba-handle svg { width: 1.25rem; height: 1.25rem; fill: var(--primary); }
.ba-label {
  position: absolute; top: 0.75rem; z-index: 10;
  border-radius: 9999px; background: rgba(0,0,0,0.7);
  padding: 0.25rem 0.75rem; font-size: 0.75rem; font-weight: 500; color: #fff;
  transition: opacity 0.2s;
}
.ba-label-before { left: 0.75rem; }
.ba-label-after { right: 0.75rem; }

/* ============================================================
   Valorization
   ============================================================ */
.valor-card { border-radius: 1rem; background: #fff; padding: 2rem; box-shadow: 0 1px 3px rgba(0,0,0,0.04); }
.valor-number { font-size: 1.875rem; font-weight: 700; color: var(--accent); }
.valor-card h3 { margin-top: 1rem; font-size: 1.125rem; font-weight: 600; color: var(--text); }
.valor-card p { margin-top: 0.75rem; font-size: 0.875rem; line-height: 1.7; color: var(--text-secondary); }

/* ============================================================
   Reviews
   ============================================================ */
.reviews-header { display: flex; flex-direction: column; gap: 1.5rem; }
@media (min-width: 640px) { .reviews-header { flex-direction: row; align-items: flex-end; justify-content: space-between; } }
.reviews-stats { display: flex; align-items: center; gap: 1rem; margin-top: 1.5rem; }
.reviews-stats .rating { font-size: 2.25rem; font-weight: 700; color: var(--text); }
.reviews-stats .slash { font-size: 2.25rem; font-weight: 700; color: var(--text-light); }
.reviews-stats .stars { display: flex; gap: 2px; margin-left: 0.5rem; }
.reviews-stats .stars svg { width: 1.25rem; height: 1.25rem; fill: var(--star-color); }
.reviews-stats .count { font-size: 0.875rem; color: var(--text-secondary); margin-left: 0.25rem; }
.reviews-nav { display: flex; gap: 0.75rem; }
.reviews-nav button {
  width: 2.5rem; height: 2.5rem; border-radius: 50%;
  border: 1px solid #E5E7EB; color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
}
.reviews-nav button:hover { border-color: #D1D5DB; color: var(--text); }
.reviews-carousel {
  margin-top: 2.5rem; display: flex; gap: 1.5rem;
  overflow-x: auto; scroll-snap-type: x mandatory;
  -ms-overflow-style: none; scrollbar-width: none;
  padding-bottom: 1rem;
}
.reviews-carousel::-webkit-scrollbar { display: none; }
.review-card {
  width: 340px; flex-shrink: 0; scroll-snap-align: start;
  border-radius: 1rem; background: #fff; padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.review-stars { display: flex; gap: 2px; }
.review-stars svg { width: 1.125rem; height: 1.125rem; }
.review-comment { margin-top: 1rem; font-size: 0.875rem; line-height: 1.7; color: var(--text-secondary); }
.review-author { margin-top: 1.25rem; padding-top: 1rem; border-top: 1px solid #F3F4F6; }
.review-author .name { font-size: 0.875rem; font-weight: 600; color: var(--text); }
.review-author .city { font-size: 0.75rem; color: var(--text-secondary); margin-top: 0.125rem; }

/* ============================================================
   Professionals
   ============================================================ */
.pro-grid { display: grid; gap: 3rem; }
@media (min-width: 1024px) { .pro-grid { grid-template-columns: 1fr 1fr; gap: 5rem; } }
.pro-label { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-secondary); }
.pro-list { margin-top: 1.5rem; display: flex; flex-direction: column; gap: 0.875rem; }
.pro-list li { display: flex; align-items: center; gap: 0.75rem; font-size: 0.875rem; color: var(--text-secondary); }
.pro-list svg { width: 1.125rem; height: 1.125rem; fill: var(--primary); flex-shrink: 0; }
.pro-service {
  display: flex; align-items: center; gap: 1rem;
  border-radius: 1rem; background: #fff; padding: 1.25rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.pro-service svg { width: 1.125rem; height: 1.125rem; fill: var(--primary); flex-shrink: 0; }
.pro-service span { font-size: 0.875rem; font-weight: 500; color: var(--text); }

/* ============================================================
   Ecology
   ============================================================ */
.eco-item { display: flex; gap: 1rem; }
.eco-icon {
  width: 3rem; height: 3rem; flex-shrink: 0; border-radius: 0.75rem;
  background: var(--emerald-light); color: var(--emerald);
  display: flex; align-items: center; justify-content: center;
}
.eco-icon svg { width: 1.5rem; height: 1.5rem; fill: currentColor; }
.eco-item h3 { font-size: 1rem; font-weight: 600; color: var(--text); }
.eco-item p { margin-top: 0.25rem; font-size: 0.875rem; line-height: 1.7; color: var(--text-secondary); }

/* ============================================================
   FAQ
   ============================================================ */
.faq-list { border-top: 1px solid #F3F4F6; }
.faq-item { border-bottom: 1px solid #F3F4F6; }
.faq-btn {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 1.25rem 0; text-align: left;
  font-size: 0.875rem; font-weight: 600; color: #111827;
  transition: color 0.2s; background: none; border: none; cursor: pointer;
}
@media (min-width: 768px) { .faq-btn { font-size: 1rem; } }
.faq-btn svg {
  width: 1.25rem; height: 1.25rem; flex-shrink: 0;
  fill: #9CA3AF; transition: transform 0.3s;
}
.faq-item.open .faq-btn svg { transform: rotate(180deg); }
.faq-answer {
  max-height: 0; overflow: hidden; opacity: 0;
  transition: max-height 0.3s ease-in-out, opacity 0.3s ease-in-out;
}
.faq-item.open .faq-answer { max-height: 24rem; opacity: 1; }
.faq-answer p { padding-bottom: 1.25rem; font-size: 0.875rem; line-height: 1.7; color: #6B7280; }

/* ============================================================
   CTA Section
   ============================================================ */
.cta-section { padding: 6rem 0; }
@media (min-width: 1024px) { .cta-section { padding: 8rem 0; } }

/* ============================================================
   Footer
   ============================================================ */
.footer-pre { background: var(--primary); padding: 4rem 0; }
@media (min-width: 640px) { .footer-pre { padding: 5rem 0; } }
.footer-pre-inner { display: flex; flex-direction: column; align-items: center; justify-content: space-between; gap: 2rem; }
@media (min-width: 640px) { .footer-pre-inner { flex-direction: row; } }
.footer-pre h2 { font-size: 1.5rem; font-weight: 700; color: #fff; line-height: 1.2; text-align: center; }
@media (min-width: 640px) { .footer-pre h2 { font-size: 2rem; text-align: left; } }
.footer-pre p { margin-top: 0.75rem; font-size: 1rem; color: rgba(255,255,255,0.7); }

.footer-main { background: var(--bg-dark); padding: 4rem 0; }
@media (min-width: 1024px) { .footer-main { padding: 5rem 0; } }
.footer-grid { display: grid; gap: 3rem; }
@media (min-width: 640px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: repeat(4, 1fr); } }
.footer-brand { display: flex; flex-direction: column; gap: 1.5rem; }
.footer-brand .logo-white { display: inline-flex; align-items: center; gap: 0.625rem; color: #fff; font-size: 1.25rem; font-weight: 700; }
.footer-brand .logo-white .red { color: var(--accent); }
.footer-brand .logo-white .sub { font-size: 0.75rem; color: #9CA3AF; }
.footer-brand address { font-size: 0.875rem; line-height: 1.8; color: #9CA3AF; }
.footer-brand address a { transition: color 0.2s; }
.footer-brand address a:hover { color: #fff; }
.footer-hours { font-size: 0.875rem; color: #9CA3AF; line-height: 1.8; }
.footer-social { display: flex; align-items: center; gap: 1rem; padding-top: 0.25rem; }
.footer-social a { color: #6B7280; transition: color 0.2s; }
.footer-social a:hover { color: #fff; }
.footer-social svg { width: 1.25rem; height: 1.25rem; fill: currentColor; }

.footer-col h3 { margin-bottom: 1.5rem; font-size: 0.875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: #fff; }
.footer-col ul { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-col a { font-size: 0.875rem; color: #9CA3AF; transition: color 0.2s; }
.footer-col a:hover { color: #fff; }

.footer-bottom { border-top: 1px solid #1F2937; }
.footer-bottom-inner {
  max-width: 80rem; margin: 0 auto; padding: 1.5rem;
  display: flex; flex-direction: column; align-items: center; gap: 1rem; text-align: center;
}
@media (min-width: 1024px) { .footer-bottom-inner { flex-direction: row; justify-content: space-between; text-align: left; } }
.footer-bottom p { font-size: 0.875rem; color: #6B7280; }
.footer-zones { font-size: 0.75rem; color: #4B5563; line-height: 1.7; }
.footer-zones strong { font-weight: 500; color: #6B7280; }

/* ============================================================
   WhatsApp Button
   ============================================================ */
.whatsapp-btn {
  position: fixed; bottom: 6rem; right: 1.5rem; z-index: 40;
  width: 3.5rem; height: 3.5rem; border-radius: 50%;
  background: var(--whatsapp); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(37,211,102,0.4);
  transition: transform 0.2s;
}
.whatsapp-btn:hover { transform: scale(1.05); }
@media (min-width: 768px) { .whatsapp-btn { bottom: 2rem; right: 2rem; width: 4rem; height: 4rem; } }
.whatsapp-btn svg { width: 1.75rem; height: 1.75rem; fill: #fff; }

/* ============================================================
   Mobile Sticky Bar
   ============================================================ */
.mobile-sticky {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 40;
  background: #fff; border-top: 1px solid #E5E7EB;
  padding: 0.5rem 0; padding-bottom: max(0.5rem, env(safe-area-inset-bottom));
  display: flex;
}
@media (min-width: 768px) { .mobile-sticky { display: none; } }
.mobile-sticky a {
  flex: 1; display: flex; flex-direction: column; align-items: center;
  gap: 0.125rem; font-size: 0.625rem; font-weight: 500;
  color: var(--text-secondary); padding: 0.375rem;
  transition: color 0.2s;
}
.mobile-sticky a:active { background: #F9FAFB; }
.mobile-sticky a svg { width: 1.25rem; height: 1.25rem; }

/* ============================================================
   Cookie Banner
   ============================================================ */
.cookie-banner {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 60;
  background: #fff; border-top: 1px solid var(--border);
  box-shadow: 0 -4px 12px rgba(0,0,0,0.08); padding: 1.5rem;
  display: none;
}
.cookie-banner.visible { display: block; }
.cookie-inner { max-width: 80rem; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }
@media (min-width: 768px) { .cookie-inner { flex-direction: row; align-items: center; justify-content: space-between; } }
.cookie-inner p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.6; }
.cookie-inner a { color: var(--primary); text-decoration: underline; }
.cookie-buttons { display: flex; gap: 0.75rem; flex-shrink: 0; }
.cookie-buttons button { padding: 0.5rem 1.25rem; border-radius: 9999px; font-size: 0.875rem; font-weight: 500; transition: all 0.2s; }
.cookie-accept { background: var(--primary); color: #fff; }
.cookie-accept:hover { background: var(--primary-dark); }
.cookie-refuse { background: var(--bg-secondary); color: var(--text); border: 1px solid var(--border); }
.cookie-refuse:hover { background: #F1F5F9; }

/* ============================================================
   Contact Form
   ============================================================ */
.form-group { margin-bottom: 1.25rem; }
.form-label { display: block; font-size: 0.875rem; font-weight: 500; color: var(--text); margin-bottom: 0.5rem; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 0.75rem 1rem; border: 1px solid var(--border);
  border-radius: 0.75rem; font-size: 0.875rem; color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s; background: #fff;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(30,58,138,0.1); outline: none;
}
.form-textarea { min-height: 8rem; resize: vertical; }
.form-checkbox { display: flex; align-items: flex-start; gap: 0.75rem; }
.form-checkbox input[type="checkbox"] { width: 1.125rem; height: 1.125rem; margin-top: 0.125rem; accent-color: var(--primary); }
.form-checkbox label { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.5; }
.form-success { padding: 2rem; text-align: center; border-radius: 1rem; background: #F0FDF4; }
.form-success h3 { font-size: 1.25rem; font-weight: 600; color: #166534; }
.form-success p { margin-top: 0.5rem; font-size: 0.875rem; color: #4B5563; }

/* ============================================================
   Page-specific: Service pages
   ============================================================ */
.page-hero { background: var(--bg-secondary); padding: 4rem 0 3rem; }
@media (min-width: 1024px) { .page-hero { padding: 5rem 0 4rem; } }
.breadcrumb { display: flex; align-items: center; gap: 0.5rem; font-size: 0.875rem; color: var(--text-secondary); margin-bottom: 1rem; }
.breadcrumb a { color: var(--primary); }
.breadcrumb a:hover { text-decoration: underline; }
.page-title { font-size: 2.25rem; font-weight: 700; color: var(--text); line-height: 1.1; }
@media (min-width: 640px) { .page-title { font-size: 2.75rem; } }
.page-subtitle { margin-top: 1rem; font-size: 1.125rem; color: var(--text-secondary); max-width: 40rem; }

/* ============================================================
   Simulator / Calculator shared
   ============================================================ */
.sim-step { display: none; }
.sim-step.active { display: block; }
.sim-option {
  padding: 1rem; border: 2px solid var(--border); border-radius: 0.75rem;
  cursor: pointer; transition: all 0.2s; text-align: center;
}
.sim-option:hover { border-color: var(--primary-light); background: var(--secondary-light); }
.sim-option.selected { border-color: var(--primary); background: var(--primary-light); }
.sim-option h4 { font-size: 0.875rem; font-weight: 600; color: var(--text); }
.sim-option p { font-size: 0.75rem; color: var(--text-secondary); margin-top: 0.25rem; }
.sim-result {
  background: var(--bg-secondary); border-radius: 1rem; padding: 2rem;
  text-align: center; border: 1px solid var(--border);
}
.sim-price { font-size: 2.5rem; font-weight: 700; color: var(--primary); }
.sim-price-range { font-size: 0.875rem; color: var(--text-secondary); margin-top: 0.25rem; }
.sim-progress { display: flex; gap: 0.5rem; margin-bottom: 2rem; }
.sim-progress-dot {
  flex: 1; height: 0.25rem; border-radius: 9999px;
  background: var(--border); transition: background 0.3s;
}
.sim-progress-dot.done { background: var(--primary); }
.sim-progress-dot.current { background: var(--secondary); }

/* Quantity controls */
.qty-controls { display: flex; align-items: center; gap: 0.5rem; }
.qty-btn {
  width: 2rem; height: 2rem; border-radius: 50%;
  border: 1px solid var(--border); display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 600; color: var(--text);
  transition: all 0.2s; cursor: pointer; background: #fff;
}
.qty-btn:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.qty-btn:disabled { opacity: 0.3; cursor: not-allowed; }
.qty-input {
  width: 3rem; text-align: center; border: 1px solid var(--border);
  border-radius: 0.5rem; padding: 0.25rem; font-size: 0.875rem; font-weight: 600;
}

/* Accordion for calculators */
.calc-category { border: 1px solid var(--border); border-radius: 0.75rem; margin-bottom: 0.75rem; overflow: hidden; }
.calc-category-btn {
  width: 100%; padding: 1rem 1.25rem; display: flex; align-items: center; justify-content: space-between;
  background: var(--bg-secondary); font-size: 0.875rem; font-weight: 600; color: var(--text);
  cursor: pointer; border: none; transition: background 0.2s;
}
.calc-category-btn:hover { background: #EFF6FF; }
.calc-category-btn svg { width: 1.25rem; height: 1.25rem; fill: #9CA3AF; transition: transform 0.3s; }
.calc-category.open .calc-category-btn svg { transform: rotate(180deg); }
.calc-items { max-height: 0; overflow: hidden; transition: max-height 0.3s ease-in-out; }
.calc-category.open .calc-items { max-height: 200rem; }
.calc-item { display: flex; align-items: center; justify-content: space-between; padding: 0.75rem 1.25rem; border-top: 1px solid var(--border-light); }
.calc-item-label { font-size: 0.875rem; color: var(--text); }
.calc-item-vol { font-size: 0.75rem; color: var(--text-secondary); }

/* ============================================================
   Responsive utilities
   ============================================================ */
.hide-mobile { display: none; }
@media (min-width: 768px) { .hide-mobile { display: block; } }
.hide-desktop { display: block; }
@media (min-width: 1024px) { .hide-desktop { display: none; } }