/* ============================================
   Biologger — Style Sheet
   Design: Moderno, profissional, responsivo
   Paleta: Verde #85D889 | Azul #4FA1FA
   ============================================ */

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

/* --- CSS Variables --- */
:root {
  --green: #85D889;
  --green-dark: #2D8A4E;
  --green-light: #E8F9EA;
  --blue: #4FA1FA;
  --blue-dark: #1A56B8;
  --blue-light: #EDF5FF;
  --text-primary: #1E293B;
  --text-secondary: #64748B;
  --text-light: #94A3B8;
  --bg-white: #FFFFFF;
  --bg-gray: #F8FAFC;
  --bg-gray-light: #F1F5F9;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
  --shadow-card: 0 4px 6px -1px rgba(0,0,0,0.05), 0 10px 20px -10px rgba(0,0,0,0.08);
  --shadow-card-hover: 0 10px 25px -5px rgba(0,0,0,0.08), 0 20px 40px -12px rgba(0,0,0,0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1200px;
  --header-height: 72px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-white);
  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(--blue-dark); }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: #ffffff;
  border-bottom: 1px solid rgba(0,0,0,0.04);
  z-index: 1000;
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
}

.logo img {
  height: 44px;
  width: auto;
}

/* --- Navigation --- */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-desktop a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 0;
  position: relative;
  transition: color var(--transition);
}

.nav-desktop a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--green);
  border-radius: 1px;
  transition: width var(--transition);
}

.nav-desktop a:hover,
.nav-desktop a.active {
  color: var(--text-primary);
}

.nav-desktop a:hover::after,
.nav-desktop a.active::after {
  width: 100%;
}

/* --- Language Selector --- */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--bg-gray-light);
  border-radius: 8px;
  padding: 3px;
  flex-shrink: 0;
}

.lang-switch button {
  background: none;
  border: none;
  padding: 5px 12px;
  font-family: var(--font-family);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 6px;
  transition: all var(--transition);
}

.lang-switch button.active {
  background: var(--bg-white);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.lang-switch button:hover:not(.active) {
  color: var(--text-primary);
}

/* --- Mobile Menu --- */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  transition: background var(--transition);
  z-index: 1001;
}

.hamburger:hover {
  background: var(--bg-gray-light);
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
  margin: 3px 0;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

/* Mobile Nav Overlay */
.nav-mobile-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  transition: opacity var(--transition);
}

.nav-mobile-overlay.active {
  opacity: 1;
}

.nav-mobile {
  display: none;
  position: fixed;
  top: 0;
  right: -300px;
  width: 300px;
  height: 100%;
  background: var(--bg-white);
  box-shadow: -4px 0 20px rgba(0,0,0,0.08);
  z-index: 999;
  padding: 100px 32px 32px;
  flex-direction: column;
  gap: 8px;
  transition: right 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-mobile.active {
  right: 0;
}

.nav-mobile a {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.nav-mobile a:hover,
.nav-mobile a.active {
  background: var(--green-light);
  color: var(--green-dark);
}

.nav-mobile .lang-switch {
  margin-top: 24px;
  justify-content: center;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-height) + 40px) 0 80px;
  overflow: hidden;
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 40%, #1A2744 70%, #0F172A 100%);
}

.hero-bg-image {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.12;
}

.hero-bg-image + .container {
  position: relative;
  z-index: 2;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(133, 216, 137, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(79, 161, 250, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(133, 216, 137, 0.05) 0%, transparent 50%);
  z-index: 1;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2385D889' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(133, 216, 137, 0.12);
  border: 1px solid rgba(133, 216, 137, 0.2);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--green);
  margin-bottom: 24px;
}

.hero-badge svg {
  width: 16px;
  height: 16px;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.1;
  color: #FFFFFF;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--green) 0%, #5BC0EB 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 36px;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-family);
  font-size: 15px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(133, 216, 137, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(133, 216, 137, 0.4);
  color: #FFFFFF;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  background: var(--blue);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-green {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(133, 216, 137, 0.3);
}

.btn-green:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(133, 216, 137, 0.4);
  color: #FFFFFF;
}

/* --- Section Styling --- */
.section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--green-dark);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
  background: var(--green-light);
  padding: 4px 14px;
  border-radius: 100px;
}

.section-tag-blue {
  background: var(--blue-light);
  color: var(--blue-dark);
}

.section h2 {
  font-size: 2.3rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-header p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Alternating backgrounds */
.section-alt-green {
  background: linear-gradient(180deg, var(--green-light) 0%, #F0FDF4 50%, var(--green-light) 100%);
}

.section-alt-blue {
  background: linear-gradient(180deg, var(--blue-light) 0%, #F0F7FF 50%, var(--blue-light) 100%);
}

.section-alt-gray {
  background: var(--bg-gray);
}

/* --- Section Dividers --- */
.section-divider {
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--green), var(--blue));
  border-radius: 2px;
  margin: 0 auto 24px;
}

/* ============================================
   ABOUT / QUEM SOMOS
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.about-text p:last-child {
  margin-bottom: 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.stat-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(0,0,0,0.04);
  transition: all var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--green) 0%, var(--blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.compliance-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  padding: 8px 16px;
  background: var(--green-light);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  color: var(--green-dark);
}

/* ============================================
   CARDS (Especialidades, Serviços)
   ============================================ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

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

.card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(0,0,0,0.04);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green), var(--blue));
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover::before {
  opacity: 1;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.card-icon-green {
  background: var(--green-light);
  color: var(--green-dark);
}

.card-icon-blue {
  background: var(--blue-light);
  color: var(--blue-dark);
}

.card-icon svg {
  width: 24px;
  height: 24px;
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  line-height: 1.3;
}

.card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue);
  transition: gap var(--transition);
}

.card-link:hover {
  gap: 10px;
  color: var(--blue-dark);
}

.card-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition);
}

.card-link:hover svg {
  transform: translateX(3px);
}

/* Specialty card larger icon */
.specialty-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.specialty-icon svg {
  width: 32px;
  height: 32px;
}

.specialty-card {
  text-align: center;
  padding: 36px 24px;
}

/* ============================================
   DIFFERENTIALS (Ícone grande + texto curto)
   ============================================ */
.differential-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  transition: all var(--transition);
}

.differential-icon svg {
  width: 36px;
  height: 36px;
}

.differential-card {
  text-align: center;
  padding: 24px 16px;
}

.differential-card:hover .differential-icon {
  transform: scale(1.1);
}

.differential-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.differential-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ============================================
   METHODOLOGY (Passo a passo)
   ============================================ */
.methodology-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  counter-reset: step;
}

.methodology-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(0,0,0,0.04);
  position: relative;
  padding-left: 72px;
  transition: all var(--transition);
}

.methodology-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.methodology-card::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 20px;
  top: 28px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%);
  color: #FFFFFF;
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.methodology-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.methodology-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================
   REGULATIONS / NORMAS
   ============================================ */
.regulations-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.regulation-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.04);
  border-left: 4px solid var(--green);
  transition: all var(--transition);
}

.regulation-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.regulation-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.regulation-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.regulation-card .reg-code {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--green-dark);
  background: var(--green-light);
  padding: 2px 10px;
  border-radius: 100px;
  margin-bottom: 10px;
}

/* ============================================
   CTA BANNER
   ============================================ */
.cta-banner {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #1A2744 100%);
  border-radius: var(--radius-lg);
  padding: 60px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(133, 216, 137, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 50%, rgba(79, 161, 250, 0.1) 0%, transparent 50%);
}

.cta-banner > * {
  position: relative;
  z-index: 1;
}

.cta-banner h2 {
  font-size: 2rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 12px;
}

.cta-banner p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 28px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   CERTIFICACOES
   ============================================ */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 800px;
  margin: 0 auto;
}

.cert-card {
  background: var(--color-white);
  border-radius: 16px;
  padding: 32px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

.cert-image {
  width: 100%;
  max-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  overflow: hidden;
  border-radius: 8px;
}

.cert-image img {
  max-width: 100%;
  max-height: 220px;
  object-fit: contain;
  border-radius: 8px;
}

.cert-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.cert-card p {
  font-size: 0.9rem;
  color: var(--color-gray);
  line-height: 1.5;
}

/* Iframe do formulário */
.form-wrapper iframe {
  width: 100%;
  height: 500px;
  border: none;
  border-radius: 8px;
}

@media (max-width: 600px) {
  .cert-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* ============================================
   FAQ ACCORDION
   ============================================ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.04);
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  font-family: var(--font-family);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  text-align: left;
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--green-dark);
}

.faq-question svg {
  width: 20px;
  height: 20px;
  color: var(--text-secondary);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
  color: var(--green);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms ease, padding 300ms ease;
}

.faq-item.active .faq-answer {
  max-height: 400px;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   CONTACT / FORM
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.contact-detail svg {
  width: 20px;
  height: 20px;
  color: var(--green);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-detail div strong {
  font-size: 14px;
  font-weight: 600;
  display: block;
  margin-bottom: 2px;
}

.contact-detail div span {
  font-size: 14px;
  color: var(--text-secondary);
}

.form-wrapper {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(0,0,0,0.04);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-group label .required {
  color: #EF4444;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-family);
  font-size: 15px;
  color: var(--text-primary);
  background: var(--bg-gray);
  border: 1.5px solid transparent;
  border-radius: var(--radius-sm);
  outline: none;
  transition: all var(--transition);
}

.form-control:focus {
  background: var(--bg-white);
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(133, 216, 137, 0.15);
}

.form-control.error {
  border-color: #EF4444;
  background: #FEF2F2;
}

.form-control::placeholder {
  color: var(--text-light);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

.form-error {
  font-size: 12px;
  color: #EF4444;
  margin-top: 4px;
  display: none;
}

.form-error.visible {
  display: block;
}

/* Perfex iframe */
.perfex-form {
  width: 100%;
  min-height: 500px;
  border: none;
  border-radius: var(--radius-sm);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: #0F172A;
  color: #FFFFFF;
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
  margin-top: 16px;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 20px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--green);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  color: var(--green);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-contact-item div {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.5;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom-links a:hover {
  color: var(--green);
}

/* ============================================
   ANIMATIONS (fade-in ao scroll)
   ============================================ */
.animate-fade {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 500ms ease-out, transform 500ms ease-out;
}

.animate-fade.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-fade-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 500ms ease-out, transform 500ms ease-out;
}

.animate-fade-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.animate-fade-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 500ms ease-out, transform 500ms ease-out;
}

.animate-fade-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.animate-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 500ms ease-out, transform 500ms ease-out;
}

.animate-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(24px);
}

.stagger-children.visible > *:nth-child(1) { transition: all 500ms ease-out 0ms; }
.stagger-children.visible > *:nth-child(2) { transition: all 500ms ease-out 100ms; }
.stagger-children.visible > *:nth-child(3) { transition: all 500ms ease-out 200ms; }
.stagger-children.visible > *:nth-child(4) { transition: all 500ms ease-out 300ms; }
.stagger-children.visible > *:nth-child(5) { transition: all 500ms ease-out 400ms; }
.stagger-children.visible > *:nth-child(6) { transition: all 500ms ease-out 500ms; }

.stagger-children.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   PROBLEM SECTION (nichos)
   ============================================ */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.problem-stat {
  text-align: center;
  padding: 32px 24px;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(0,0,0,0.04);
}

.problem-stat .stat-number {
  font-size: 3rem;
}

.problem-stat p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-top: 8px;
  line-height: 1.5;
}

.problem-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.problem-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--bg-white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.problem-item svg {
  width: 20px;
  height: 20px;
  color: var(--green);
  flex-shrink: 0;
  margin-top: 2px;
}

.problem-item div {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
  .hero h1 { font-size: 2.6rem; }
  .section h2 { font-size: 1.9rem; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .cards-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .methodology-grid { grid-template-columns: repeat(2, 1fr); }
  .regulations-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}

/* Mobile (< 768px) */
@media (max-width: 768px) {
  .nav-desktop { display: none; }
  .header .lang-switch { display: none; }
  .hamburger { display: flex; }
  .nav-mobile { display: flex; }
  .nav-mobile-overlay { display: block; }

  .hero { min-height: 70vh; padding-top: calc(var(--header-height) + 24px); padding-bottom: 48px; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }

  .section { padding: 3.5rem 0; }
  .section h2 { font-size: 1.6rem; }
  .section-header { margin-bottom: 2.5rem; }

  .cards-grid { grid-template-columns: 1fr; }
  .cards-grid-2 { grid-template-columns: 1fr; }
  .cards-grid-4 { grid-template-columns: 1fr; }
  .about-grid { gap: 32px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-card { padding: 20px 16px; }
  .stat-number { font-size: 1.8rem; }

  .problem-grid { grid-template-columns: 1fr; }

  .methodology-grid { grid-template-columns: 1fr; }
  .methodology-card { padding-left: 60px; }
  .methodology-card::before { left: 16px; }

  .regulations-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .cta-banner { padding: 40px 24px; }
  .cta-banner h2 { font-size: 1.5rem; }

  .contact-grid { gap: 32px; }
  .form-wrapper { padding: 24px; }

  .faq-question { padding: 16px 20px; font-size: 0.95rem; }

  .specialty-icon { width: 52px; height: 52px; }
  .specialty-icon svg { width: 26px; height: 26px; }

  .container { padding: 0 16px; }
}

/* Very small screens */
@media (max-width: 380px) {
  .stats-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.7rem; }
}

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