/* ================================================================
   LABEC LABORATÓRIO — Design System Global
   Fonte: Roboto Slab | Modo: Light/White
   ================================================================ */

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

/* ---- CSS Custom Properties ---- */
:root {
  --primary:        #1A4F8A;
  --primary-light:  #2563AB;
  --primary-dark:   #0F2F52;
  --secondary:      #4A90D4;
  --secondary-light:#6BAED8;
  --accent:         #2575B0;
  --accent-light:   #4A90D4;

  --white:     #FFFFFF;
  --gray-50:   #F9FAFB;
  --gray-100:  #F3F4F6;
  --gray-200:  #E5E7EB;
  --gray-300:  #D1D5DB;
  --gray-400:  #9CA3AF;
  --gray-500:  #6B7280;
  --gray-600:  #4B5563;
  --gray-700:  #374151;
  --gray-800:  #1F2937;
  --gray-900:  #111827;

  --text-primary:   #1F2937;
  --text-secondary: #4B5563;
  --text-muted:     #9CA3AF;

  --font-heading: 'Roboto Slab', Georgia, serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   32px;
  --radius-full: 9999px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md:  0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.05);
  --shadow-lg:  0 10px 30px rgba(0,0,0,.10), 0 4px 8px rgba(0,0,0,.05);
  --shadow-xl:  0 20px 50px rgba(0,0,0,.12), 0 8px 16px rgba(0,0,0,.06);

  --transition-fast:   150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow:   550ms cubic-bezier(.22,1,.36,1);

  --container-max:     1280px;
  --container-pad:     0 24px;
  --section-py:        100px 0;
  --section-py-sm:     60px 0;
  --navbar-h:          80px;
}

/* ---- Reset ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-body);color:var(--text-primary);background:var(--white);line-height:1.65;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}
input,textarea,select{font-family:inherit}

/* ================================================================
   LOADING SCREEN
   ================================================================ */
.loading-screen {
  position: fixed;
  inset: 0;
  background: var(--white);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  z-index: 99999;
  transition: opacity .3s ease, visibility .3s ease;
}
.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.loading-logo-wrap {
  animation: logoReveal .6s cubic-bezier(.22,1,.36,1) both;
}
.loading-logo-wrap img {
  width: 200px;
  height: auto;
  object-fit: contain;
}
.loading-bar {
  width: 180px;
  height: 3px;
  background: var(--gray-100);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.loading-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: var(--radius-full);
  animation: loadingFill .75s ease forwards;
}
@keyframes logoReveal {
  0%   { opacity:0; transform:scale(.82) translateY(18px) }
  60%  { opacity:1; transform:scale(1.03) translateY(-2px) }
  100% { opacity:1; transform:scale(1) translateY(0) }
}
@keyframes loadingFill {
  0%   { width:0% }
  40%  { width:65% }
  100% { width:100% }
}

/* ================================================================
   PAGE TRANSITION OVERLAY — white blink on enter/exit
   ================================================================ */
.page-transition {
  position: fixed;
  inset: 0;
  background: white;
  z-index: 99990;
  pointer-events: none;
  opacity: 1;
  transition: opacity 280ms ease;
}
.page-transition.pt-hidden {
  opacity: 0;
}
.page-transition.pt-flash {
  opacity: 1;
  pointer-events: all;
}

/* ================================================================
   READING PROGRESS BAR
   ================================================================ */
.reading-progress {
  position: fixed;
  top: 0; left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
  z-index: 99998;
  transition: width .08s linear;
}

/* ================================================================
   NAVBAR
   ================================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--navbar-h);
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  box-shadow: var(--shadow-lg);
  border-bottom-color: var(--gray-100);
}
.navbar-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--container-pad);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.navbar-logo img {
  height: 50px;
  width: auto;
  object-fit: contain;
}
.navbar-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
  justify-content: center;
}
.nav-link {
  font-size: .875rem;
  font-weight: 500;
  color: var(--gray-700);
  padding: 8px 13px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 5px; left: 50%;
  transform: translateX(-50%);
  width: 0; height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: width var(--transition-normal);
}
.nav-link:hover { color:var(--primary); background:var(--gray-50) }
.nav-link:hover::after, .nav-link.active::after { width:calc(100% - 26px) }
.nav-link.active { color:var(--primary); font-weight:600 }

.btn-whatsapp-nav {
  display: flex;
  align-items: center;
  gap: 7px;
  background: #25D366;
  color: white;
  padding: 9px 18px;
  border-radius: var(--radius-full);
  font-size: .85rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  white-space: nowrap;
  flex-shrink: 0;
}
.btn-whatsapp-nav:hover {
  background: #1EB85A;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(37,211,102,.4);
}
.btn-whatsapp-nav svg { width:18px;height:18px;fill:white;flex-shrink:0 }

/* ---- Botão Ver Resultados (navbar global) ---- */
.btn-resultados-nav {
  display: flex;
  align-items: center;
  gap: 7px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  padding: 9px 18px;
  border-radius: var(--radius-full);
  font-size: .85rem;
  font-weight: 700;
  transition: all var(--transition-fast);
  white-space: nowrap;
  flex-shrink: 0;
  box-shadow: 0 2px 12px rgba(26,79,138,.35);
}
.btn-resultados-nav:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(26,79,138,.5);
}
.btn-resultados-nav svg { width:17px; height:17px; flex-shrink:0 }
.mobile-resultados-btn {
  margin: 12px 24px 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  padding: 12px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: .95rem;
  box-shadow: 0 2px 12px rgba(26,79,138,.3);
}
.mobile-resultados-btn svg { width:20px; height:20px }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}
.hamburger:hover { background:var(--gray-100) }
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: all var(--transition-normal);
}
.hamburger.active span:nth-child(1) { transform:rotate(45deg) translate(5px,5px) }
.hamburger.active span:nth-child(2) { opacity:0; transform:translateX(-10px) }
.hamburger.active span:nth-child(3) { transform:rotate(-45deg) translate(5px,-5px) }

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--navbar-h); left:0; right:0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-xl);
  z-index: 999;
  padding: 8px 0 16px;
  opacity: 0;
  transform: translateY(-12px);
  transition: all var(--transition-normal);
  pointer-events: none;
}
.mobile-menu.open { opacity:1; transform:translateY(0); pointer-events:all }
.mobile-nav-link {
  display: block;
  padding: 13px 24px;
  font-size: .95rem;
  font-weight: 500;
  color: var(--gray-700);
  border-left: 3px solid transparent;
  transition: all var(--transition-fast);
}
.mobile-nav-link:hover, .mobile-nav-link.active {
  color: var(--primary);
  background: var(--gray-50);
  border-left-color: var(--primary);
  padding-left: 28px;
}
.mobile-wa-btn {
  margin: 12px 24px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #25D366;
  color: white;
  padding: 12px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: .95rem;
}
.mobile-wa-btn svg { width:20px;height:20px;fill:white }

/* ================================================================
   WHATSAPP FLOAT
   ================================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 9000;
  width: 60px; height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.5);
  transition: all var(--transition-normal);
  animation: waPulse 3.5s infinite;
}
.whatsapp-float:hover {
  transform: scale(1.12);
  box-shadow: 0 6px 30px rgba(37,211,102,.65);
}
.whatsapp-float svg { width:32px;height:32px;fill:white }
.wa-tooltip {
  position: absolute;
  right: calc(100% + 14px);
  background: var(--gray-900);
  color: white;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: .78rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}
.wa-tooltip::after {
  content:'';
  position: absolute;
  left:100%; top:50%;
  transform: translateY(-50%);
  border:6px solid transparent;
  border-left-color: var(--gray-900);
}
.whatsapp-float:hover .wa-tooltip { opacity:1 }
@keyframes waPulse {
  0%,100% { box-shadow:0 4px 20px rgba(37,211,102,.5) }
  50%      { box-shadow:0 4px 20px rgba(37,211,102,.6), 0 0 0 14px rgba(37,211,102,.08) }
}

/* ================================================================
   LAYOUT HELPERS
   ================================================================ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--container-pad);
}
.section      { padding: var(--section-py) }
.section-sm   { padding: var(--section-py-sm) }
.section-bg   { background: var(--gray-50) }
.section-dark { background: var(--gray-900); color: var(--white) }
.section-primary { background: var(--primary); color: var(--white) }

.section-header { text-align:center; margin-bottom:64px }
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 14px;
}
.section-label::before, .section-label::after {
  content:'';
  width:28px; height:2px;
  background: var(--secondary);
  border-radius:2px;
}
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3vw, 2.85rem);
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.2;
  margin-bottom: 18px;
}
.section-title span { color:var(--primary) }
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.75;
}
.section-dark .section-title,
.section-primary .section-title { color:var(--white) }
.section-dark .section-label,
.section-primary .section-label { color:var(--secondary-light) }
.section-dark .section-label::before,
.section-dark .section-label::after,
.section-primary .section-label::before,
.section-primary .section-label::after { background:var(--secondary-light) }
.section-dark .section-subtitle,
.section-primary .section-subtitle { color:rgba(255,255,255,.75) }

/* Grids */
.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:28px }

/* ================================================================
   BUTTONS
   ================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-full);
  font-size: .93rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  white-space: nowrap;
  border: 2px solid transparent;
  letter-spacing: .01em;
}
.btn svg { width:18px;height:18px;flex-shrink:0 }
.btn-lg { padding:17px 36px; font-size:1.02rem }
.btn-sm { padding:9px 20px; font-size:.85rem }

.btn-primary { background:var(--primary); color:var(--white); border-color:var(--primary) }
.btn-primary:hover { background:var(--primary-dark); border-color:var(--primary-dark); transform:translateY(-2px); box-shadow:0 6px 22px rgba(26,79,138,.4) }
.btn-secondary { background:var(--secondary); color:var(--white); border-color:var(--secondary) }
.btn-secondary:hover { background:var(--primary); border-color:var(--primary); transform:translateY(-2px); box-shadow:0 6px 22px rgba(26,79,138,.4) }
.btn-accent { background:var(--accent); color:var(--white); border-color:var(--accent) }
.btn-accent:hover { background:var(--primary-dark); border-color:var(--primary-dark); transform:translateY(-2px); box-shadow:0 6px 22px rgba(26,79,138,.4) }
.btn-outline { background:transparent; color:var(--primary); border-color:var(--primary) }
.btn-outline:hover { background:var(--primary); color:var(--white); transform:translateY(-2px); box-shadow:0 6px 22px rgba(26,79,138,.3) }
.btn-outline-white { background:transparent; color:var(--white); border-color:rgba(255,255,255,.65) }
.btn-outline-white:hover { background:var(--white); color:var(--primary) }
.btn-white { background:var(--white); color:var(--primary); border-color:var(--white) }
.btn-white:hover { background:transparent; color:var(--white); border-color:var(--white); transform:translateY(-2px) }

/* ================================================================
   IMAGE PLACEHOLDER
   ================================================================ */
.img-ph {
  background: var(--gray-100);
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 40px 24px;
  color: var(--gray-400);
  transition: all var(--transition-normal);
  min-height: 220px;
  width: 100%;
}
.img-ph:hover { background:var(--gray-200); border-color:var(--gray-400) }
.img-ph svg   { width:52px; height:52px; stroke:var(--gray-300); flex-shrink:0 }
.img-ph-label { font-size:.85rem; font-weight:600; color:var(--gray-500); text-align:center }
.img-ph-size  {
  font-size:.78rem; color:var(--gray-400);
  background:var(--gray-200); padding:4px 12px;
  border-radius:var(--radius-full);
  font-family:var(--font-body);
}
/* Variants */
.img-ph-hero   { min-height:480px }
.img-ph-banner { min-height:320px }
.img-ph-card   { min-height:240px }
.img-ph-thumb  { min-height:180px }
.img-ph-square { min-height:0; aspect-ratio:1/1 }
.img-ph-avatar {
  width:130px; height:130px; min-height:unset;
  border-radius:50%; flex-shrink:0;
  padding:20px;
}
.img-ph-logo   { min-height:100px; padding:20px }
.img-ph-video  { min-height:420px; background:var(--gray-800); border-color:var(--gray-600) }
.img-ph-video svg { stroke:var(--gray-500) }
.img-ph-video .img-ph-label { color:var(--gray-400) }
.img-ph-video .img-ph-size { background:var(--gray-700); color:var(--gray-400) }
.img-ph-map { min-height:380px; background:var(--gray-200) }

/* VIDEO ICON variant */
.img-ph-video-icon svg circle { fill:rgba(255,255,255,.15) }

/* ================================================================
   CARDS
   ================================================================ */
.card {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-normal);
}
.card:hover { transform:translateY(-6px); box-shadow:var(--shadow-xl) }
.card-body  { padding:28px }
.card-img   { overflow:hidden }
.card-img img { transition:transform var(--transition-slow) }
.card:hover .card-img img { transform:scale(1.05) }

/* ================================================================
   PAGE HEADER (Inner Pages)
   ================================================================ */
.page-header {
  padding: calc(var(--navbar-h) + 64px) 0 64px;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 55%, var(--primary-light) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content:'';
  position:absolute; top:-40%; right:-8%;
  width:520px; height:520px;
  background:radial-gradient(circle,rgba(74,144,212,.22) 0%,transparent 70%);
  pointer-events:none;
}
.page-header::after {
  content:'';
  position:absolute; bottom:-35%; left:-5%;
  width:420px; height:420px;
  background:radial-gradient(circle,rgba(37,117,176,.14) 0%,transparent 70%);
  pointer-events:none;
}
.page-header-inner { position:relative; z-index:1 }
.breadcrumb {
  display:flex; align-items:center; gap:8px;
  font-size:.83rem; color:rgba(255,255,255,.65);
  margin-bottom:20px;
}
.breadcrumb a { color:rgba(255,255,255,.65); transition:color var(--transition-fast) }
.breadcrumb a:hover { color:var(--white) }
.breadcrumb svg { width:13px; height:13px; stroke:rgba(255,255,255,.4) }
.page-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 14px;
}
.page-subtitle {
  font-size: 1.08rem;
  color: rgba(255,255,255,.8);
  max-width: 580px;
  line-height: 1.65;
}

/* ================================================================
   SCROLL REVEAL
   ================================================================ */
[data-reveal] {
  opacity:0;
  transform:translateY(32px);
  transition:opacity .75s ease, transform .75s ease;
}
[data-reveal="left"]  { transform:translateX(-32px) }
[data-reveal="right"] { transform:translateX(32px) }
[data-reveal="scale"] { transform:scale(.88) }
[data-reveal="fade"]  { transform:none }
[data-reveal].revealed { opacity:1; transform:none }
[data-reveal-delay="100"] { transition-delay:.1s }
[data-reveal-delay="200"] { transition-delay:.2s }
[data-reveal-delay="300"] { transition-delay:.3s }
[data-reveal-delay="400"] { transition-delay:.4s }
[data-reveal-delay="500"] { transition-delay:.5s }
[data-reveal-delay="600"] { transition-delay:.6s }

/* ================================================================
   FOOTER
   ================================================================ */
footer {
  background: var(--gray-900);
  color: var(--gray-400);
}
.footer-main {
  padding: 80px 0 60px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 48px;
}
.footer-logo {
  height: 46px; width:auto;
  filter: brightness(0) invert(1);
  opacity: .85;
  margin-bottom: 18px;
}
.footer-desc {
  font-size:.88rem; color:var(--gray-400);
  line-height:1.75; margin-bottom:24px;
}
.footer-social { display:flex; gap:10px }
.footer-social a {
  width:38px; height:38px;
  background:rgba(255,255,255,.07);
  border-radius:var(--radius-sm);
  display:flex; align-items:center; justify-content:center;
  color:var(--gray-400);
  transition:all var(--transition-fast);
}
.footer-social a:hover {
  background:var(--primary); color:var(--white); transform:translateY(-3px)
}
.footer-social a svg { width:17px;height:17px }
.footer-col-title {
  font-family:var(--font-heading);
  font-size:.95rem; font-weight:700; color:var(--white);
  margin-bottom:22px; padding-bottom:10px; position:relative;
}
.footer-col-title::after {
  content:''; position:absolute;
  bottom:0; left:0; width:28px; height:2px;
  background:var(--secondary); border-radius:2px;
}
.footer-links { display:flex; flex-direction:column; gap:9px }
.footer-links a {
  font-size:.87rem; color:var(--gray-400);
  display:flex; align-items:center; gap:7px;
  transition:all var(--transition-fast);
}
.footer-links a::before { content:'›'; color:var(--secondary); font-size:1rem; transition:transform var(--transition-fast) }
.footer-links a:hover { color:var(--white); padding-left:4px }
.footer-links a:hover::before { transform:translateX(3px) }
.footer-contact-row {
  display:flex; align-items:flex-start;
  gap:11px; margin-bottom:14px; font-size:.87rem;
}
.footer-contact-row svg { width:17px;height:17px;stroke:var(--secondary);flex-shrink:0;margin-top:2px }
.footer-contact-row a { color:var(--gray-400); transition:color var(--transition-fast) }
.footer-contact-row a:hover { color:var(--white) }
.footer-bottom {
  padding:22px 0; text-align:center;
}
.footer-bottom p { font-size:.82rem; color:var(--gray-500) }
.footer-bottom a { color:var(--secondary) }
.footer-bottom a:hover { color:var(--secondary-light) }

/* Badge / Tag */
.badge {
  display:inline-block; padding:4px 12px;
  border-radius:var(--radius-full);
  font-size:.75rem; font-weight:700;
  letter-spacing:.05em; text-transform:uppercase;
}
.badge-primary  { background:rgba(26,79,138,.12);  color:var(--primary) }
.badge-secondary{ background:rgba(74,144,212,.12);  color:var(--secondary) }
.badge-accent   { background:rgba(37,117,176,.12); color:var(--accent) }
.badge-white    { background:rgba(255,255,255,.2); color:var(--white) }

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width:1024px) {
  :root { --section-py:76px 0; --section-py-sm:50px 0 }
  .grid-4 { grid-template-columns:repeat(2,1fr) }
  .footer-grid { grid-template-columns:repeat(2,1fr) }
  .navbar-nav { gap:0 }
  .nav-link { padding:8px 10px; font-size:.82rem }
}
@media (max-width:768px) {
  :root { --navbar-h:70px; --section-py:60px 0; --section-py-sm:40px 0 }
  .navbar-nav, .btn-whatsapp-nav { display:none }
  .hamburger, .mobile-menu { display:flex }
  .mobile-menu { display:block }
  .grid-2,.grid-3,.grid-4 { grid-template-columns:1fr; gap:24px }
  .section-header { margin-bottom:40px }
  .footer-grid { grid-template-columns:1fr; gap:36px }
  .whatsapp-float { bottom:20px; right:20px; width:54px; height:54px }
  .whatsapp-float svg { width:28px;height:28px }
  .img-ph-hero { min-height:300px }
  .img-ph-video { min-height:260px }
}
@media (max-width:480px) {
  :root { --container-pad:0 16px }
  .btn-lg { padding:14px 24px; font-size:.92rem }
  .loading-logo-wrap img { width:150px }
  .page-title { font-size:1.9rem }
}