/* ===================================================
   RelocateBCN — Production Stylesheet v2.0
   Architecture: Mobile-first, BEM-inspired naming
   Performance: GPU-accelerated animations, reduced paint
   Accessibility: WCAG 2.2 AA compliant focus states
   =================================================== */

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

/* ===== Design Tokens ===== */
:root {
  --blue:           #1A4B84;
  --blue-dark:      #0D3366;
  --blue-light:     #DBEAFE;
  --orange:         #F97316;
  --orange-dark:    #EA580C;
  --orange-light:   #FFF7ED;
  --text:           #1E293B;
  --text-secondary: #64748B;
  --bg:             #FFFFFF;
  --bg-alt:         #F8FAFC;
  --border:         #E2E8F0;
  --success:        #065F46;
  --success-bg:     #ECFDF5;
  --success-border: #6EE7B7;
  --radius:         12px;
  --radius-sm:      8px;
  --radius-pill:    50px;
  --shadow:         0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:      0 4px 12px rgba(0,0,0,.08);
  --shadow-lg:      0 12px 32px rgba(0,0,0,.1);
  --transition:     .22s ease;
  --max-width:      1200px;
  --header-h:       72px;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; tab-size: 4; }
body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--orange); }
ul, ol { list-style: none; }
input, textarea, select, button { font: inherit; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* ===== Accessibility: Skip Link ===== */
.skip-link {
  position: absolute; top: -100%; left: 16px; z-index: 9999;
  background: var(--orange); color: #fff; padding: 10px 20px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-weight: 700; font-size: .9rem;
  transition: top .2s ease;
}
.skip-link:focus { top: 0; color: #fff; }

/* ===== Focus States (WCAG 2.2) ===== */
:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
  border-radius: 4px;
}
a:focus-visible { color: var(--orange); }

/* ===== Utility ===== */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.text-center { text-align: center; }

/* Reveal animation — Intersection Observer adds .visible */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity .55s ease, transform .55s ease; }
.fade-in.visible { opacity: 1; transform: none; }

/* ===== Typography ===== */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.25; color: var(--text); }
h1 { font-size: clamp(1.9rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); margin-bottom: 16px; }
h3 { font-size: 1.2rem; margin-bottom: 12px; }
p  { margin-bottom: 16px; }
.section-subtitle { color: var(--text-secondary); font-size: 1.05rem; max-width: 640px; margin: 0 auto 48px; }
.highlight { color: var(--orange); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px; border-radius: var(--radius-pill); font-weight: 600;
  font-size: 1rem; border: 2px solid transparent; cursor: pointer;
  transition: background var(--transition), border-color var(--transition),
              color var(--transition), transform var(--transition), box-shadow var(--transition);
  text-align: center; line-height: 1.4; white-space: nowrap;
  min-height: 48px; /* touch target */
}
.btn-primary { background: var(--orange); color: #fff; border-color: var(--orange); }
.btn-primary:hover {
  background: var(--orange-dark); border-color: var(--orange-dark);
  color: #fff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(249,115,22,.32);
}
.btn-secondary { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.btn-secondary:hover { background: rgba(255,255,255,.12); border-color: #fff; color: #fff; }
.btn-secondary-dark { background: transparent; color: var(--blue); border-color: var(--blue); }
.btn-secondary-dark:hover { background: var(--blue); color: #fff; transform: translateY(-2px); }
.btn-sm { padding: 10px 20px; font-size: .9rem; min-height: 40px; }
.btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }

/* ===== Header ===== */
.site-header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
  height: var(--header-h);
}
.site-header.scrolled {
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom-color: rgba(0,0,0,.08);
  box-shadow: 0 2px 20px rgba(0,0,0,.08);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h); position: relative;
}
.logo { display: flex; align-items: center; flex-shrink: 0; }
.logo img { height: 44px; width: auto; filter: drop-shadow(0 1px 3px rgba(0,0,0,.25)); }
.site-header.scrolled .logo img { filter: none; }

/* Nav — white on transparent hero, dark on scroll */
.nav-menu { display: flex; align-items: center; gap: 32px; }
.nav-menu a {
  color: #fff; font-weight: 600; font-size: .95rem;
  position: relative; padding: 4px 0; transition: color var(--transition);
  text-shadow: 0 1px 4px rgba(0,0,0,.35);
  letter-spacing: .01em;
}
.nav-menu a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
  background: var(--orange); transition: width var(--transition); border-radius: 1px;
}
.nav-menu a:hover::after, .nav-menu a.active::after { width: 100%; }
.nav-menu a:hover { color: rgba(255,255,255,.85); }
.nav-menu a.active { color: #fff; }
.site-header.scrolled .nav-menu a {
  color: var(--text); text-shadow: none; font-weight: 600;
}
.site-header.scrolled .nav-menu a:hover,
.site-header.scrolled .nav-menu a.active { color: var(--orange); }

/* Lang switch */
.lang-switch {
  display: flex; gap: 4px;
  background: rgba(255,255,255,.15);
  border-radius: 20px; padding: 4px;
  border: 1px solid rgba(255,255,255,.35);
  transition: all var(--transition);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.site-header.scrolled .lang-switch {
  background: var(--bg-alt); border-color: var(--border);
  backdrop-filter: none; -webkit-backdrop-filter: none;
}
.lang-switch a {
  padding: 5px 13px; border-radius: 16px; font-size: .82rem; font-weight: 700;
  color: rgba(255,255,255,.9); transition: all var(--transition); letter-spacing: .04em;
  min-height: 32px; display: flex; align-items: center;
  text-shadow: 0 1px 3px rgba(0,0,0,.2);
}
.lang-switch a.active { background: var(--orange); color: #fff; text-shadow: none; }
.lang-switch a:hover:not(.active) { color: #fff; background: rgba(255,255,255,.15); }
.site-header.scrolled .lang-switch a { color: var(--text-secondary); text-shadow: none; }
.site-header.scrolled .lang-switch a.active { background: var(--orange); color: #fff; }
.site-header.scrolled .lang-switch a:hover:not(.active) { color: var(--text); background: var(--border); }

/* Hamburger */
.menu-toggle {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 8px; background: none; border: none;
  min-width: 44px; min-height: 44px; align-items: center; justify-content: center;
}
.menu-toggle span {
  width: 24px; height: 2.5px; background: #fff;
  transition: all var(--transition); border-radius: 2px; display: block;
  box-shadow: 0 1px 3px rgba(0,0,0,.3);
}
.site-header.scrolled .menu-toggle span { background: var(--text); box-shadow: none; }
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; width: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 80px) 0 100px;
  overflow: hidden;
  min-height: 92vh;
  display: flex; align-items: center;
}
/* Parallax bg layer — JS moves on scroll */
.hero-bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, #0A1F44 0%, #1A4B84 45%, #0D3366 75%, #0A1628 100%);
  background-size: 200% 200%;
  animation: gradientPulse 18s ease infinite;
  will-change: background-position;
}
@keyframes gradientPulse {
  0%, 100% { background-position: 0% 50%; }
  50%       { background-position: 100% 50%; }
}
.hero-bg::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 15% 25%, rgba(249,115,22,.16) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 75%, rgba(37,99,235,.18) 0%, transparent 55%);
}
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 36px 36px;
}
.hero-wave {
  position: absolute; bottom: -1px; left: 0; right: 0;
  line-height: 0; pointer-events: none; z-index: 1;
}
.hero-wave svg { width: 100%; height: auto; }
.hero-content {
  max-width: 720px;
  position: relative; z-index: 1;
}
.hero h1 { color: #fff; margin-bottom: 24px; line-height: 1.15; letter-spacing: -.02em; }
.hero h1 .highlight { color: var(--orange); }
.hero p {
  font-size: 1.15rem; color: rgba(255,255,255,.82);
  margin-bottom: 36px; max-width: 580px; line-height: 1.7;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 40px; margin-top: 56px;
  padding-top: 40px; border-top: 1px solid rgba(255,255,255,.14);
  flex-wrap: wrap;
}
.hero-stat-num { font-size: 2rem; font-weight: 800; color: #fff; line-height: 1; margin-bottom: 4px; }
.hero-stat-num .highlight { color: var(--orange); }
.hero-stat-label { font-size: .875rem; color: rgba(255,255,255,.6); }

/* ===== Features / Advantages ===== */
.features-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px; margin-top: 48px;
}
.feature-card {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px); box-shadow: var(--shadow-lg);
  border-color: rgba(249,115,22,.3);
}
.feature-icon {
  width: 56px; height: 56px; border-radius: var(--radius-sm);
  background: var(--blue-light); display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; color: var(--blue); flex-shrink: 0;
}
.feature-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.feature-card p { color: var(--text-secondary); font-size: .95rem; margin-bottom: 0; line-height: 1.65; }

/* ===== Services ===== */
.services-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.service-card {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; transition: transform var(--transition), box-shadow var(--transition);
  position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%;
  background: var(--blue); transition: background var(--transition);
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.service-card:hover::before { background: var(--orange); }
.service-card h2, .service-card h3 { color: var(--blue); font-size: 1.2rem; margin-bottom: 12px; }
.service-card p { color: var(--text-secondary); font-size: .95rem; margin-bottom: 16px; line-height: 1.65; }
.service-card ul { margin-bottom: 16px; }
.service-card li {
  padding: 5px 0 5px 22px; position: relative;
  color: var(--text-secondary); font-size: .9rem; line-height: 1.5;
}
.service-card li::before { content: '✓'; position: absolute; left: 0; color: var(--orange); font-weight: 700; }

/* ===== About ===== */
.about-content { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-text h2 { margin-bottom: 24px; }
.about-text p { color: var(--text-secondary); line-height: 1.75; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 32px; }
.stat-card {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; text-align: center;
}
.stat-number { font-size: 2.5rem; font-weight: 800; color: var(--blue); line-height: 1; }
.stat-number .highlight { color: var(--orange); }
.stat-label { color: var(--text-secondary); font-size: .9rem; margin-top: 8px; margin-bottom: 0; }

/* ===== Blog ===== */
.blog-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}
.blog-card {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; transition: transform var(--transition), box-shadow var(--transition);
  display: flex; flex-direction: column;
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.blog-card-image {
  height: 180px;
  background: linear-gradient(135deg, var(--blue-light) 0%, #d4e4f7 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 3.5rem;
  position: relative; overflow: hidden; flex-shrink: 0;
}
.blog-card-image::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 70% 30%, rgba(249,115,22,.08) 0%, transparent 60%);
}
.blog-card-body { padding: 20px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.blog-card-body h3 { font-size: 1.05rem; margin-bottom: 8px; line-height: 1.4; }
.blog-card-body h3 a { color: var(--text); }
.blog-card-body h3 a:hover { color: var(--orange); }
.blog-card-body p { color: var(--text-secondary); font-size: .88rem; margin-bottom: 0; line-height: 1.6; flex: 1; }
.blog-meta { font-size: .8rem; color: var(--orange); font-weight: 600; margin-bottom: 10px; }
.blog-tag {
  display: inline-block; font-size: .72rem; font-weight: 700;
  color: var(--orange); background: rgba(249,115,22,.08);
  padding: 3px 10px; border-radius: 20px; text-transform: uppercase;
  letter-spacing: .06em; margin-right: 8px;
}
/* Blog article */
.blog-article { max-width: 800px; margin: 0 auto; padding-top: 40px; }
.blog-article h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); margin-bottom: 16px; line-height: 1.2; }
.blog-article .blog-meta { margin-bottom: 32px; }
.blog-article h2 { font-size: 1.5rem; margin-top: 40px; margin-bottom: 16px; color: var(--blue); }
.blog-article h3 { font-size: 1.15rem; margin-top: 28px; color: var(--text); }
.blog-article p { color: var(--text-secondary); line-height: 1.8; }
.blog-article ul, .blog-article ol { margin: 16px 0; padding-left: 0; }
.blog-article ul { list-style: none; }
.blog-article ul li {
  color: var(--text-secondary); padding: 6px 0 6px 22px;
  line-height: 1.7; position: relative;
}
.blog-article ul li::before {
  content: ''; position: absolute; left: 0; top: 14px;
  width: 8px; height: 8px; background: var(--orange); border-radius: 50%;
}
.blog-article ol { list-style: decimal; padding-left: 24px; }
.blog-article ol li { color: var(--text-secondary); padding: 4px 0; line-height: 1.7; }
.blog-article blockquote {
  border-left: 4px solid var(--orange); padding: 16px 24px; margin: 24px 0;
  background: var(--orange-light); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.blog-article blockquote p { color: var(--text); margin-bottom: 0; }
.blog-back {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 24px;
  font-weight: 500; color: var(--blue); padding: 8px 0;
}
.blog-back:hover { color: var(--orange); }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.contact-info h2 { margin-bottom: 16px; }
.contact-info > p { color: var(--text-secondary); margin-bottom: 32px; line-height: 1.7; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 24px; }
.contact-icon {
  width: 48px; height: 48px; border-radius: var(--radius-sm);
  background: var(--blue-light); display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; color: var(--blue);
}
.contact-item-text h4,
.contact-item > div:last-child h3,
.contact-item > div:last-child h4 { font-size: 1rem; margin-bottom: 4px; color: var(--text); }
.contact-item-text p,
.contact-item > div:last-child p { color: var(--text-secondary); font-size: .9rem; margin-bottom: 0; }
.contact-item-text a,
.contact-item > div:last-child a { color: var(--blue); font-size: .9rem; }
.contact-item-text a:hover,
.contact-item > div:last-child a:hover { color: var(--orange); }
/* Contact form column */
.contact-form { display: flex; flex-direction: column; gap: 0; }
.contact-form h2 { margin-bottom: 24px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
.form-group label { font-weight: 600; font-size: .9rem; color: var(--text); }
.form-group input, .form-group textarea, .form-group select {
  padding: 12px 16px; border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--bg); font-size: 1rem; color: var(--text);
  min-height: 48px; /* touch target */
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(26,75,132,.12);
}
.form-group input.error, .form-group textarea.error { border-color: #EF4444; }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-group select { cursor: pointer; }
.form-success {
  display: none;
  background: var(--success-bg); border: 1px solid var(--success-border); color: var(--success);
  padding: 24px; border-radius: var(--radius); text-align: center; margin-top: 16px;
}
.form-success h3 { color: var(--success); margin-bottom: 8px; }
#form-success { /* alias — same as .form-success */
  display: none;
  background: var(--success-bg); border: 1px solid var(--success-border); color: var(--success);
  padding: 24px; border-radius: var(--radius); text-align: center; margin-top: 16px;
}

/* ===== CTA Section ===== */
.cta-section {
  background: linear-gradient(135deg, #0D3366 0%, #1A4B84 100%);
  color: #fff; text-align: center; padding: 80px 0;
  position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 32px 32px; pointer-events: none;
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { color: #fff; margin-bottom: 16px; }
.cta-section p { color: rgba(255,255,255,.80); max-width: 560px; margin: 0 auto 32px; font-size: 1.05rem; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer { background: #0F1929; color: rgba(255,255,255,.6); padding: 64px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand p { font-size: .9rem; margin-top: 16px; color: rgba(255,255,255,.45); line-height: 1.7; }
.footer-brand .logo img,
.footer-brand img { height: 36px; width: auto; }
.footer-brand a.logo { display: inline-flex; }
.site-footer h4 {
  color: #fff; font-size: .8rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .1em; margin-bottom: 18px;
}
.site-footer ul li { margin-bottom: 10px; }
.site-footer ul a { color: rgba(255,255,255,.5); font-size: .9rem; transition: color var(--transition); }
.site-footer ul a:hover { color: var(--orange); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.07); padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: .85rem; flex-wrap: wrap; gap: 8px;
}
.footer-bottom p { color: rgba(255,255,255,.35); margin-bottom: 0; }
.footer-bottom a { color: rgba(255,255,255,.35); }
.footer-bottom a:hover { color: var(--orange); }

/* ===== Page Header (inner pages) ===== */
.page-header {
  padding: calc(var(--header-h) + 56px) 0 56px;
  background: linear-gradient(135deg, #0A1F44 0%, #1A4B84 100%);
  text-align: center; position: relative; overflow: hidden;
}
.page-header::before {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 32px 32px; pointer-events: none;
}
.page-header::after {
  content: '';
  position: absolute; top: -30%; right: -5%; width: 480px; height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(249,115,22,.10) 0%, transparent 70%);
  pointer-events: none;
}
.page-header .container { position: relative; z-index: 1; }
.page-header h1 { color: #fff; margin-bottom: 12px; }
.page-header .section-subtitle { color: rgba(255,255,255,.72); margin-bottom: 0; }

/* Breadcrumb */
.breadcrumb {
  display: flex; gap: 8px; justify-content: center;
  margin-bottom: 16px; font-size: .85rem;
  align-items: center; flex-wrap: wrap;
  list-style: none;
}
.breadcrumb a { color: rgba(255,255,255,.56); }
.breadcrumb a:hover { color: var(--orange); }
.breadcrumb li { display: flex; align-items: center; gap: 8px; }
.breadcrumb li::after { content: '/'; color: rgba(255,255,255,.3); }
.breadcrumb li:last-child::after { display: none; }
.breadcrumb li[aria-current="page"] { color: var(--orange); }
/* Old breadcrumb markup support */
.breadcrumb span:not([aria-hidden]) { color: rgba(255,255,255,.5); }

/* ===== Floating WhatsApp Button ===== */
.whatsapp-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 900;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25D366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,.45);
  transition: transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
}
.whatsapp-float:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,211,102,.55);
  color: #fff;
}
.whatsapp-float svg { width: 28px; height: 28px; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .about-content { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .hero { min-height: 80vh; }
  .contact-grid { gap: 40px; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }
  .section { padding: 56px 0; }
  .hero { padding: calc(var(--header-h) + 48px) 0 72px; min-height: 0; }

  /* Mobile nav — full-screen slide-in */
  .menu-toggle { display: flex; }
  .nav-menu {
    position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
    height: calc(100vh - var(--header-h)); height: calc(100dvh - var(--header-h));
    background: var(--bg); flex-direction: column; padding: 24px;
    gap: 4px; transform: translateX(100%);
    transition: transform var(--transition);
    overflow-y: auto; box-shadow: var(--shadow-lg); z-index: 999;
    align-items: stretch;
  }
  .nav-menu.active { transform: translateX(0); }
  .nav-menu a {
    color: var(--text) !important; font-size: 1.1rem;
    padding: 14px 16px; border-radius: var(--radius-sm);
    min-height: 52px; display: flex; align-items: center;
  }
  .lang-switch {
    position: absolute; right: 56px; top: 50%; transform: translateY(-50%);
    padding: 3px; gap: 2px;
  }
  .lang-switch a { padding: 4px 10px; font-size: .78rem; min-height: 28px; }
  .nav-menu a:hover, .nav-menu a.active {
    color: var(--orange) !important; background: var(--bg-alt);
  }
  body.menu-open { overflow: hidden; }
  body.menu-open .site-header { background: rgba(255,255,255,.97); backdrop-filter: blur(12px); }
  body.menu-open .site-header .menu-toggle span { background: var(--text); }
  body.menu-open .site-header .lang-switch { background: var(--bg-alt); border-color: var(--border); }
  body.menu-open .site-header .lang-switch a { color: var(--text-secondary); }

  .hero-buttons { flex-direction: column; align-items: flex-start; gap: 12px; }
  .hero-buttons .btn { width: auto; }
  .hero-stats { gap: 24px; }
  .features-grid { grid-template-columns: 1fr; gap: 20px; }
  .services-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .blog-grid { grid-template-columns: 1fr; gap: 20px; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .cta-section { padding: 56px 0; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.35rem; }
  .about-stats { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .blog-article { padding-top: 24px; }
  .whatsapp-float { bottom: 16px; right: 16px; width: 52px; height: 52px; }
  .features-grid, .services-grid, .blog-grid { grid-template-columns: 1fr; }
  .logo img { height: 36px; }
  .lang-switch { right: 48px; }
  .lang-switch a { padding: 3px 8px; font-size: .75rem; }
}

/* ===== Print ===== */
@media print {
  .site-header, .site-footer, .whatsapp-float, .menu-toggle, .cta-section { display: none; }
  .hero { min-height: 0; padding: 24px 0; background: none; }
  .hero-bg, .hero-wave { display: none; }
  .hero h1, .hero p { color: var(--text); }
  body { font-size: 12pt; color: #000; }
  a { color: #000; text-decoration: underline; }
  .feature-card, .blog-card, .service-card { page-break-inside: avoid; break-inside: avoid; }
  .section { padding: 24px 0; }
  .section-alt { background: none; }
}