/* ============================================================
   SkyEngineering — style.css
   Palette : Navy #0D1F3C | Steel Blue #2563EB | Gray #64748B | White #FFFFFF
   Fonts   : Montserrat (headings) + Inter (body)
   ============================================================ */

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

/* ── CSS Custom Properties ── */
:root {
  --navy:        #0D1F3C;
  --navy-light:  #1B3461;
  --steel:       #2563EB;
  --steel-light: #3B82F6;
  --steel-pale:  #EFF6FF;
  --gray:        #64748B;
  --gray-light:  #F1F5F9;
  --gray-border: #E2E8F0;
  --concrete:    #8E9EAB;
  --white:       #FFFFFF;
  --text:        #1E293B;
  --text-light:  #475569;
  --whatsapp:    #25D366;
  --radius:      8px;
  --radius-lg:   16px;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow:      0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
  --shadow-lg:   0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);
  --shadow-xl:   0 20px 25px -5px rgba(0,0,0,.1), 0 10px 10px -5px rgba(0,0,0,.04);
  --transition:  all .25s ease;
  --max-width:   1200px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Typography ── */
h1, h2, h3, h4, h5 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  line-height: 1.25;
  color: var(--navy);
}
h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.125rem; }
p  { color: var(--text-light); line-height: 1.75; }

/* ── Utility ── */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }
.section    { padding: 5rem 0; }
.section-alt { background: var(--gray-light); }
.section-dark { background: var(--navy); }

.section-label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--steel);
  background: var(--steel-pale);
  padding: .35rem .85rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}
.section-title {
  margin-bottom: 1rem;
}
.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-light);
  max-width: 600px;
  margin-bottom: 3rem;
}
.section-header { text-align: center; }
.section-header .section-subtitle { margin: .75rem auto 3rem; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: .9375rem;
  padding: .85rem 2rem;
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--steel);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(37,99,235,.35);
}
.btn-primary:hover { background: #1D4ED8; box-shadow: 0 6px 20px rgba(37,99,235,.45); transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: var(--steel);
  border: 2px solid var(--steel);
}
.btn-outline:hover { background: var(--steel); color: var(--white); }
.btn-white {
  background: var(--white);
  color: var(--navy);
}
.btn-white:hover { background: var(--gray-light); }

.badge {
  display: inline-block;
  background: var(--steel-pale);
  color: var(--steel);
  font-size: .75rem;
  font-weight: 600;
  padding: .25rem .65rem;
  border-radius: 999px;
  margin-right: .4rem;
  margin-bottom: .4rem;
}

/* ── Header / Navbar ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--gray-border);
  box-shadow: var(--shadow-sm);
}
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1.5rem;
}
.navbar-logo img {
  height: 52px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
}
.navbar-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.navbar-nav a {
  font-size: .9375rem;
  font-weight: 500;
  color: var(--text);
  position: relative;
  transition: color .2s;
}
.navbar-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 0; height: 2px;
  background: var(--steel);
  transition: width .25s ease;
}
.navbar-nav a:hover, .navbar-nav a.active { color: var(--steel); }
.navbar-nav a:hover::after, .navbar-nav a.active::after { width: 100%; }
.navbar-cta { display: flex; gap: .75rem; align-items: center; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: .5rem;
  border-radius: var(--radius);
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Hero ── */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 55%, #1E3A5F 100%);
  color: var(--white);
  padding: 6rem 0 5rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cpath d='M0 80L80 0M-10 10L10 -10M70 90L90 70' stroke='%23ffffff08' stroke-width='1'/%3E%3C/svg%3E");
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  padding: .4rem 1rem;
  border-radius: 999px;
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #93C5FD;
  margin-bottom: 1.5rem;
}
.hero h1 { color: var(--white); margin-bottom: 1.25rem; }
.hero h1 span { color: var(--steel-light); }
.hero-description {
  font-size: 1.0625rem;
  color: #CBD5E1;
  line-height: 1.8;
  margin-bottom: 2.5rem;
  max-width: 520px;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; }
.hero-stats {
  display: flex;
  gap: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,.12);
}
.hero-stat-value {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.875rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}
.hero-stat-label {
  font-size: .8125rem;
  color: #94A3B8;
  margin-top: .25rem;
}
.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.hero-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}
.hero-card-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: .875rem;
  color: var(--white);
  margin-bottom: .75rem;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.hero-services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .5rem;
}
.hero-service-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .8125rem;
  color: #CBD5E1;
  padding: .4rem .5rem;
  border-radius: var(--radius);
  transition: background .2s;
}
.hero-service-item:hover { background: rgba(255,255,255,.05); }
.hero-service-item .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--steel-light);
  flex-shrink: 0;
}
.hero-contact-card {
  background: var(--steel);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
}
.hero-contact-row {
  display: flex;
  align-items: center;
  gap: .75rem;
  color: rgba(255,255,255,.9);
  font-size: .875rem;
  margin-bottom: .5rem;
}
.hero-contact-row:last-child { margin-bottom: 0; }
.hero-contact-icon {
  width: 32px; height: 32px;
  background: rgba(255,255,255,.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: .875rem;
}

/* ── Services ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--steel);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform .3s ease;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--steel);
}
.service-card:hover::before { transform: scaleY(1); }

/* Service card image */
.service-img-wrap {
  margin: -2rem -2rem 1.5rem;
  height: 150px;
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.service-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
  display: block;
}
.service-card:hover .service-img-wrap img { transform: scale(1.06); }

.service-icon {
  width: 52px; height: 52px;
  background: var(--steel-pale);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}
.service-card h3 {
  font-size: 1.0625rem;
  margin-bottom: .625rem;
}
.service-card p { font-size: .9rem; }

/* ── Contact Form ── */
.form-section-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 4rem;
  align-items: start;
}
.form-section-info .section-title { margin-bottom: .75rem; }
.form-section-info .section-subtitle { margin-bottom: 2rem; }
.form-info-points { display: flex; flex-direction: column; gap: .875rem; }
.form-info-point {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .9375rem;
  color: var(--text-light);
}
.form-info-point-icon {
  width: 36px; height: 36px;
  background: var(--steel-pale);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.contact-form {
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: .45rem;
  margin-bottom: 1.25rem;
}
.form-group:last-of-type { margin-bottom: .5rem; }
.form-group label {
  font-family: 'Montserrat', sans-serif;
  font-size: .75rem;
  font-weight: 700;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: .07em;
}
.form-group label span { color: var(--steel); margin-left: 2px; }
.form-group input,
.form-group textarea {
  width: 100%;
  padding: .85rem 1rem;
  border: 1.5px solid var(--gray-border);
  border-radius: var(--radius);
  font-family: 'Inter', sans-serif;
  font-size: .9375rem;
  color: var(--text);
  background: var(--white);
  transition: border-color .2s, box-shadow .2s;
  outline: none;
  -webkit-appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--concrete); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--steel);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.form-group input:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown) { border-color: #EF4444; }
.form-group textarea {
  resize: vertical;
  min-height: 130px;
  line-height: 1.6;
}
.form-submit {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
}
.form-note {
  font-size: .8125rem;
  color: var(--concrete);
  margin: 0;
}
.form-success {
  display: none;
  align-items: center;
  gap: .75rem;
  background: #ECFDF5;
  border: 1px solid #6EE7B7;
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  color: #065F46;
  font-size: .9375rem;
  margin-top: 1rem;
}

@media (max-width: 768px) {
  .form-section-grid { grid-template-columns: 1fr; gap: 2rem; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 1.5rem; }
}

/* ── Why Us ── */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.why-features { display: flex; flex-direction: column; gap: 1.5rem; margin-top: 2rem; }
.why-feature {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-border);
  transition: var(--transition);
}
.why-feature:hover { border-color: var(--steel); box-shadow: var(--shadow); }
.why-feature-icon {
  width: 44px; height: 44px;
  background: var(--steel-pale);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}
.why-feature-body h4 { font-size: 1rem; margin-bottom: .25rem; }
.why-feature-body p  { font-size: .875rem; }

.stats-card {
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  border-radius: var(--radius-lg);
  padding: 3rem;
  color: var(--white);
}
.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: 2rem; }
.stat-item { text-align: center; }
.stat-number {
  font-family: 'Montserrat', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--steel-light);
  line-height: 1;
}
.stat-desc { font-size: .875rem; color: #94A3B8; margin-top: .5rem; }

/* ── Process ── */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  counter-reset: step;
}
.process-step {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-border);
  position: relative;
}
.process-step-number {
  width: 48px; height: 48px;
  background: var(--steel);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.125rem;
  margin: 0 auto 1rem;
}
.process-step h4 { margin-bottom: .5rem; }
.process-step p { font-size: .875rem; }

/* ── Local / Contact ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.contact-icon {
  width: 48px; height: 48px;
  background: var(--steel-pale);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
  color: var(--steel);
}
.contact-item h4 { font-size: .875rem; text-transform: uppercase; letter-spacing: .06em; color: var(--steel); margin-bottom: .25rem; }
.contact-item p, .contact-item a { font-size: .9375rem; color: var(--text-light); }
.contact-item a:hover { color: var(--steel); }

.map-embed {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-border);
  box-shadow: var(--shadow);
}
.map-embed iframe { display: block; width: 100%; }

/* ── CTA Banner ── */
.cta-banner {
  background: linear-gradient(135deg, var(--steel) 0%, var(--navy-light) 100%);
  padding: 4.5rem 0;
  text-align: center;
  color: var(--white);
}
.cta-banner h2 { color: var(--white); margin-bottom: 1rem; }
.cta-banner p  { color: rgba(255,255,255,.8); max-width: 560px; margin: 0 auto 2rem; }
.cta-banner .btn-group { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ── Footer ── */
.site-footer {
  background: var(--navy);
  color: #94A3B8;
  padding: 4rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand img {
  height: 52px;
  width: auto;
  max-width: 190px;
  object-fit: contain;
  margin-bottom: 1.5rem;
  background: rgba(255,255,255,.95);
  padding: 6px 12px;
  border-radius: var(--radius);
  display: block;
}
.footer-brand p   { font-size: .875rem; line-height: 1.75; }
.footer-col h4 {
  font-family: 'Montserrat', sans-serif;
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 1.25rem;
}
.footer-col ul li { margin-bottom: .65rem; }
.footer-col ul a {
  font-size: .875rem;
  color: #94A3B8;
  transition: color .2s;
}
.footer-col ul a:hover { color: var(--steel-light); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  font-size: .8125rem;
  flex-wrap: wrap;
  gap: .75rem;
}
.footer-bottom a { color: var(--steel-light); }

/* ── Blog ── */
.blog-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  padding: 4rem 0;
  text-align: center;
  color: var(--white);
}
.blog-hero h1 { color: var(--white); }
.blog-hero p  { color: #CBD5E1; margin-top: .75rem; }

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}
.article-card {
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.article-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.article-thumb {
  height: 200px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  position: relative;
  overflow: hidden;
}
.article-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(13,31,60,.6));
}
.article-body { padding: 1.75rem; flex: 1; display: flex; flex-direction: column; }
.article-meta {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.article-date { font-size: .8125rem; color: var(--concrete); }
.article-card h3 { margin-bottom: .75rem; font-size: 1.125rem; }
.article-card h3 a:hover { color: var(--steel); }
.article-card p   { font-size: .9rem; flex: 1; }
.article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--gray-border);
}
.read-more {
  font-size: .875rem;
  font-weight: 600;
  color: var(--steel);
  display: flex;
  align-items: center;
  gap: .35rem;
  transition: gap .2s;
}
.read-more:hover { gap: .6rem; }

/* Full article */
.article-full { max-width: 780px; margin: 0 auto; padding: 4rem 1.5rem; }
.article-full h1 { margin-bottom: 1.5rem; }
.article-full h2 { margin: 2.5rem 0 1rem; font-size: 1.375rem; }
.article-full h3 { margin: 2rem 0 .75rem; font-size: 1.125rem; }
.article-full p  { margin-bottom: 1.25rem; }
.article-full ul, .article-full ol { padding-left: 1.5rem; margin-bottom: 1.25rem; }
.article-full li { margin-bottom: .5rem; color: var(--text-light); }
.article-highlight {
  background: var(--steel-pale);
  border-left: 4px solid var(--steel);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
}
.article-highlight p { color: var(--navy); font-weight: 500; margin: 0; }

/* ── FAQ ── */
.faq-hero {
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  padding: 4rem 0;
  text-align: center;
  color: var(--white);
}
.faq-hero h1 { color: var(--white); }
.faq-hero p  { color: #CBD5E1; margin-top: .75rem; }

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  max-width: 1000px;
  margin: 0 auto;
}
.faq-item {
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color .2s;
}
.faq-item.open { border-color: var(--steel); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.375rem 1.5rem;
  text-align: left;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: .9375rem;
  color: var(--navy);
  background: none;
  transition: var(--transition);
}
.faq-question:hover { background: var(--gray-light); }
.faq-icon {
  width: 28px; height: 28px;
  background: var(--steel-pale);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--steel);
  font-size: 1.25rem;
  transition: transform .3s ease;
  line-height: 1;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--steel); color: var(--white); }
.faq-answer {
  display: none;
  padding: 0 1.5rem 1.375rem;
}
.faq-answer p { font-size: .9375rem; }
.faq-item.open .faq-answer { display: block; }

.faq-cta {
  text-align: center;
  padding: 4rem 0;
  background: var(--gray-light);
}

/* ── Floating WhatsApp ── */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 58px; height: 58px;
  background: var(--whatsapp);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.45);
  z-index: 9999;
  transition: var(--transition);
  animation: pulse 2.5s infinite;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(37,211,102,.6); }
.whatsapp-float svg { width: 30px; height: 30px; fill: var(--white); }
@keyframes pulse {
  0%   { box-shadow: 0 4px 20px rgba(37,211,102,.45); }
  50%  { box-shadow: 0 4px 32px rgba(37,211,102,.7), 0 0 0 10px rgba(37,211,102,.08); }
  100% { box-shadow: 0 4px 20px rgba(37,211,102,.45); }
}
.whatsapp-tooltip {
  position: absolute;
  right: 68px;
  background: var(--navy);
  color: var(--white);
  font-size: .8125rem;
  font-weight: 500;
  padding: .45rem .85rem;
  border-radius: var(--radius);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
}
.whatsapp-tooltip::after {
  content: '';
  position: absolute;
  right: -6px; top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-right: none;
  border-left-color: var(--navy);
}
.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; }

/* ── Breadcrumb ── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .8125rem;
  color: var(--concrete);
  padding: 1rem 0;
}
.breadcrumb a { color: var(--steel); }
.breadcrumb span { color: var(--concrete); }

/* ============================================================
   RESPONSIVE — Mobile-first breakpoints
   ============================================================ */

/* Tablet ≤ 1024px */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .why-grid    { gap: 2.5rem; }
}

/* Tablet ≤ 768px */
@media (max-width: 768px) {
  .section { padding: 3.5rem 0; }

  /* Navbar */
  .navbar-nav, .navbar-cta {
    display: none;
    flex-direction: column;
    align-items: flex-start;
  }
  .navbar-nav.open, .navbar-cta.open {
    display: flex;
    width: 100%;
    gap: .5rem;
  }
  .navbar {
    flex-wrap: wrap;
  }
  .nav-toggle { display: flex; }
  .navbar-mobile-menu {
    display: none;
    width: 100%;
    flex-direction: column;
    padding: 1rem 0;
    gap: .5rem;
    border-top: 1px solid var(--gray-border);
  }
  .navbar-mobile-menu.open { display: flex; }
  .navbar-mobile-menu a {
    font-size: .9375rem;
    font-weight: 500;
    color: var(--text);
    padding: .65rem .5rem;
    border-radius: var(--radius);
    display: block;
  }
  .navbar-mobile-menu a:hover { background: var(--gray-light); color: var(--steel); }
  .navbar-mobile-menu .btn { width: 100%; justify-content: center; }

  /* Hero */
  .hero { padding: 4rem 0 3rem; }
  .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-visual { display: none; }
  .hero-stats { gap: 1.5rem; }

  /* Grids */
  .why-grid     { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .faq-grid     { grid-template-columns: 1fr; }
  .footer-grid  { grid-template-columns: 1fr; gap: 2rem; }

  /* Stats card on mobile */
  .stats-card { display: none; }
  .why-grid .section-label, .why-grid .section-title, .why-grid .section-subtitle { display: block; }
}

/* Mobile ≤ 480px */
@media (max-width: 480px) {
  h1 { font-size: 1.875rem; }
  h2 { font-size: 1.5rem; }
  .hero-stats  { flex-direction: column; gap: 1rem; }
  .btn         { padding: .75rem 1.5rem; font-size: .875rem; }
  .services-grid   { grid-template-columns: 1fr; }
  .articles-grid   { grid-template-columns: 1fr; }
  .process-steps   { grid-template-columns: 1fr 1fr; }
  .footer-bottom   { flex-direction: column; text-align: center; }
  .whatsapp-float  { bottom: 1.25rem; right: 1.25rem; }
}