/* =============================================
   ROOT VARIABLES
   ============================================= */
:root {
  --green:       #1B4332;
  --green-mid:   #2D6A4F;
  --green-light: #52B788;
  --gold:        #D4A017;
  --gold-light:  #E5B82E;
  --white:       #FFFFFF;
  --dark:        #0D2B1F;
  --text:        #1F2937;
  --text-muted:  #6B7280;
  --border:      #E5E7EB;
  --gray-bg:     #F9FAFB;
  --shadow:      0 4px 16px rgba(13, 43, 31, 0.08);
  --shadow-lg:   0 12px 32px rgba(13, 43, 31, 0.14);
  --radius:      10px;
  --radius-sm:   6px;
  --transition:  0.3s ease;
}

/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
ul, ol { list-style: none; }

/* =============================================
   TYPOGRAPHY
   ============================================= */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', 'Georgia', serif;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
}
h1 { font-size: clamp(2.2rem, 4.5vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.1rem; }
h5 { font-size: 0.95rem; }
h6 { font-size: 0.85rem; }
p  { font-size: 0.95rem; color: var(--text-muted); }

/* =============================================
   SECTION LABEL
   ============================================= */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 18px; height: 2px;
  background: var(--gold);
  vertical-align: middle;
  margin-right: 8px;
}

/* =============================================
   LAYOUT UTILITIES
   ============================================= */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section    { padding: 88px 0; }
.section-sm { padding: 56px 0; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.flex         { display: flex; }
.flex-center  { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-gap     { display: flex; align-items: center; gap: 16px; }

.text-center { text-align: center; }
.text-white  { color: var(--white) !important; }
.text-gold   { color: var(--gold); }
.text-green  { color: var(--green); }

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 6px;
  font-size: 0.92rem;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--gold);
  color: var(--dark);
}
.btn-primary:hover { background: var(--gold-light); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(212,160,23,0.35); }

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.6);
}
.btn-secondary:hover { background: rgba(255,255,255,0.1); border-color: var(--white); }

.btn-outline {
  background: transparent;
  color: var(--green);
  border: 2px solid var(--green);
}
.btn-outline:hover { background: var(--green); color: var(--white); }

.btn-green {
  background: var(--green);
  color: var(--white);
}
.btn-green:hover { background: var(--green-mid); transform: translateY(-2px); }

.btn-sm { padding: 10px 20px; font-size: 0.84rem; }
.btn-lg { padding: 18px 36px; font-size: 1rem; }

/* =============================================
   NAVIGATION
   ============================================= */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}
.navbar.scrolled {
  box-shadow: 0 2px 24px rgba(27,67,50,0.12);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--green);
}
.navbar .nav-logo,
.footer-brand .nav-logo {
  font-family: 'Avenir Next', 'Avenir', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.footer-brand .logo-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--dark);
}
.nav-logo .logo-img {
  height: 40px;
  width: auto;
  display: block;
  object-fit: contain;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  position: relative;
  transition: color var(--transition);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--green);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}
.nav-links a:hover, .nav-links a.active { color: var(--green); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }

.nav-cta { margin-left: 16px; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--green);
  border-radius: 2px;
  transition: all 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); }

/* Mobile Menu */
.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: 20px 24px;
  gap: 16px;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.nav-mobile a:last-child { border-bottom: none; }
.nav-mobile .btn { align-self: flex-start; margin-top: 8px; }

/* =============================================
   HERO (shared base)
   ============================================= */
.hero {
  padding-top: 68px; /* navbar height */
  position: relative;
  overflow: hidden;
}

/* =============================================
   CARDS
   ============================================= */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.card-body { padding: 28px; }

/* Service / Feature Card */
.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.feature-card:hover {
  border-color: var(--green-light);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.feature-card .icon {
  width: 48px; height: 48px;
  background: rgba(27,67,50,0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.4rem;
}
.feature-card h4 { margin-bottom: 8px; font-size: 1.05rem; color: var(--text); }
.feature-card p  { font-size: 0.88rem; line-height: 1.6; }

/* Stats */
.stat-item { text-align: center; }
.stat-item .stat-number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--green);
  line-height: 1;
}
.stat-item .stat-label { font-size: 0.82rem; color: var(--text-muted); margin-top: 6px; }
.stat-item .stat-suffix { color: var(--gold); }

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-gold  { background: rgba(212,160,23,0.15); color: #8a6600; }
.badge-green { background: rgba(27,67,50,0.10); color: var(--green); }
.badge-blue  { background: rgba(59,130,246,0.1); color: #1d4ed8; }

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.75);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .nav-logo { color: var(--white); margin-bottom: 16px; }
.footer-brand p { font-size: 0.875rem; line-height: 1.8; max-width: 280px; }
.footer-col h5 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--white);
  margin-bottom: 20px;
}
.footer-col a {
  display: block;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 12px;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--gold); }
.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}
.footer-social a {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: all var(--transition);
  margin-bottom: 0;
}
.footer-social a:hover { background: var(--gold); color: var(--dark); }
.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

/* =============================================
   CTA SECTION
   ============================================= */
.cta-section {
  background: var(--green);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 240px; height: 240px;
  border-radius: 50%;
  background: rgba(212,160,23,0.12);
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -40px;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
}
.cta-section h2 { color: var(--white); margin-bottom: 16px; }
.cta-section p  { color: rgba(255,255,255,0.8); max-width: 500px; margin: 0 auto 36px; }
.cta-buttons    { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }

/* =============================================
   WHATSAPP FLOAT BUTTON
   ============================================= */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  width: 58px; height: 58px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37,211,102,0.45);
  transition: transform var(--transition), box-shadow var(--transition);
  animation: pulse-whatsapp 2.5s infinite;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 32px rgba(37,211,102,0.55);
  animation: none;
}
.whatsapp-float svg { width: 30px; height: 30px; fill: white; }

@keyframes pulse-whatsapp {
  0%   { box-shadow: 0 0 0 0 rgba(37,211,102,0.5); }
  70%  { box-shadow: 0 0 0 14px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

/* =============================================
   SCROLL ANIMATIONS
   ============================================= */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-left  { opacity: 0; transform: translateX(-32px); transition: opacity 0.65s ease, transform 0.65s ease; }
.reveal-right { opacity: 0; transform: translateX(32px);  transition: opacity 0.65s ease, transform 0.65s ease; }
.reveal-left.visible, .reveal-right.visible { opacity: 1; transform: translateX(0); }

.delay-1 { transition-delay: 0.1s !important; }
.delay-2 { transition-delay: 0.2s !important; }
.delay-3 { transition-delay: 0.3s !important; }
.delay-4 { transition-delay: 0.4s !important; }
.delay-5 { transition-delay: 0.5s !important; }

/* =============================================
   PAGE HERO BANNER (inner pages)
   ============================================= */
.page-hero {
  padding: 100px 0 64px;
  background: linear-gradient(135deg, var(--green) 0%, var(--green-mid) 100%);
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  right: 0; bottom: 0;
  width: 45%;
  height: 100%;
  background: rgba(255,255,255,0.04);
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0% 100%);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { color: var(--white); max-width: 640px; }
.page-hero p  { color: rgba(255,255,255,0.8); max-width: 560px; margin-top: 16px; font-size: 1.05rem; }

/* =============================================
   CERTIFICATION BADGES STRIP
   ============================================= */
.cert-strip {
  background: var(--green);
  padding: 18px 0;
  overflow: hidden;
}
.cert-strip-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.cert-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.85);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.cert-badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

/* =============================================
   PROJECT CARDS
   ============================================= */
.project-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.project-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.project-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.project-card:hover img { transform: scale(1.05); }
.project-card-body { padding: 20px; }
.project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.project-card h4 { font-size: 1rem; color: var(--text); margin-bottom: 4px; }
.project-card .location { font-size: 0.82rem; color: var(--text-muted); }
.project-card .case-link {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--green);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 12px;
  transition: gap var(--transition);
}
.project-card .case-link:hover { gap: 8px; }
.project-tag {
  position: absolute;
  top: 12px; left: 12px;
}
.project-card-inner { position: relative; }

/* =============================================
   BLOG CARDS
   ============================================= */
.blog-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.blog-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.blog-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.blog-card-body { padding: 22px; }
.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.blog-card h4 { font-size: 1.05rem; color: var(--text); margin-bottom: 8px; line-height: 1.4; }
.blog-card p  { font-size: 0.875rem; }

/* =============================================
   TEAM CARDS
   ============================================= */
.team-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}
.team-card:hover { transform: translateY(-6px); }
.team-card img {
  width: 96px; height: 96px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  border: 3px solid var(--border);
}
.team-card h4 { font-size: 1rem; margin-bottom: 4px; }
.team-card .role { font-size: 0.8rem; color: var(--gold); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }

/* =============================================
   TIMELINE
   ============================================= */
.timeline { position: relative; padding: 32px 0; }
.timeline::before {
  content: '';
  position: absolute;
  left: 50%; top: 0; bottom: 0;
  width: 2px;
  background: var(--border);
  transform: translateX(-50%);
}
.timeline-item {
  display: grid;
  grid-template-columns: 1fr 40px 1fr;
  gap: 0 24px;
  margin-bottom: 48px;
  align-items: start;
}
.timeline-item:nth-child(odd)  .timeline-content { grid-column: 1; text-align: right; }
.timeline-item:nth-child(odd)  .timeline-dot     { grid-column: 2; }
.timeline-item:nth-child(odd)  .timeline-empty   { grid-column: 3; }
.timeline-item:nth-child(even) .timeline-content { grid-column: 3; }
.timeline-item:nth-child(even) .timeline-dot     { grid-column: 2; }
.timeline-item:nth-child(even) .timeline-empty   { grid-column: 1; }
.timeline-dot {
  width: 40px; height: 40px;
  background: var(--green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 1rem;
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}
.timeline-content h4 { color: var(--green); font-size: 1.05rem; margin-bottom: 4px; }
.timeline-content .year { font-size: 0.8rem; color: var(--gold); font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 8px; }
.timeline-content p { font-size: 0.875rem; }

/* =============================================
   TABLE
   ============================================= */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.comparison-table th {
  background: var(--green);
  color: var(--white);
  padding: 14px 20px;
  font-size: 0.85rem;
  font-weight: 600;
  text-align: left;
}
.comparison-table td {
  padding: 14px 20px;
  font-size: 0.875rem;
  border-bottom: 1px solid var(--border);
}
.comparison-table tr:nth-child(even) td { background: var(--gray-bg); }
.comparison-table tr:hover td { background: rgba(27,67,50,0.04); }
.comparison-table td:first-child { font-weight: 600; color: var(--text); }

/* =============================================
   FILTER TABS
   ============================================= */
.filter-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.filter-tab {
  padding: 9px 22px;
  border-radius: 25px;
  font-size: 0.875rem;
  font-weight: 500;
  border: 2px solid var(--border);
  color: var(--text-muted);
  background: var(--white);
  cursor: pointer;
  transition: all var(--transition);
}
.filter-tab:hover { border-color: var(--green); color: var(--green); }
.filter-tab.active { background: var(--green); color: var(--white); border-color: var(--green); }

/* =============================================
   FORMS
   ============================================= */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.875rem; font-weight: 500; color: var(--text); margin-bottom: 8px; }
.form-control {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(27,67,50,0.1);
}
textarea.form-control { resize: vertical; min-height: 130px; }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* =============================================
   MISCELLANEOUS
   ============================================= */
.divider { width: 48px; height: 3px; background: var(--gold); border-radius: 2px; margin: 16px 0; }
.divider-center { margin: 16px auto; }

.tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.tag-featured { background: var(--gold); color: var(--dark); }
.tag-new      { background: var(--green); color: var(--white); }

.img-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
}

/* bg helpers */
.bg-gray   { background: var(--gray-bg); }
.bg-green  { background: var(--green); }
.bg-dark   { background: var(--dark); }
.bg-white  { background: var(--white); }

/* =============================================
   PAGE TRANSITIONS
   ============================================= */
.page-transition {
  animation: fadeIn 0.5s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; gap: 24px; }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .timeline::before { left: 20px; }
  .timeline-item { grid-template-columns: 40px 1fr; }
  .timeline-item:nth-child(odd) .timeline-content  { grid-column: 2; text-align: left; }
  .timeline-item:nth-child(odd) .timeline-dot      { grid-column: 1; }
  .timeline-item:nth-child(odd) .timeline-empty    { display: none; }
  .timeline-item:nth-child(even) .timeline-content { grid-column: 2; }
  .timeline-item:nth-child(even) .timeline-dot     { grid-column: 1; }
  .timeline-item:nth-child(even) .timeline-empty   { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .whatsapp-float { bottom: 20px; right: 20px; width: 52px; height: 52px; }
  .cert-strip-inner { gap: 24px; }
  .cta-buttons { flex-direction: column; align-items: center; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.7rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .btn { padding: 12px 22px; font-size: 0.88rem; }
}