/* ===== RESET & BASE ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #0f2e57;
  --primary-light: #1f5fa8;
  --accent: #4ea3ff;
  --accent-glow: rgba(78, 163, 255, 0.3);
  --text: #1a1a2e;
  --text-light: #64748b;
  --bg-light: #f8fafc;
  --white: #ffffff;
  --gradient: linear-gradient(135deg, #0f2e57 0%, #1f5fa8 100%);
  --gradient-accent: linear-gradient(135deg, #1f5fa8, #4ea3ff);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.10);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
  --radius: 12px;
  --radius-lg: 20px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text);
  overflow-x: hidden;
}

.container {
  width: 90%;
  max-width: 1140px;
  margin: auto;
}

/* ===== NAVBAR ===== */
.navbar {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: box-shadow 0.3s ease;
}

.navbar.scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,0.10);
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  height: 68px;
  animation: logoPulse 3s ease-in-out infinite;
  filter: drop-shadow(0 0 0px rgba(78,163,255,0));
}

@keyframes logoPulse {
  0%, 100% {
    transform: scale(1);
    filter: drop-shadow(0 0 0px rgba(78,163,255,0));
  }
  50% {
    transform: scale(1.06);
    filter: drop-shadow(0 0 10px rgba(78,163,255,0.5));
  }
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  text-decoration: none;
  color: var(--primary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--accent); }

.btn-nav {
  background: var(--gradient-accent) !important;
  color: var(--white) !important;
  padding: 9px 18px;
  border-radius: 8px;
  font-weight: 600 !important;
  transition: transform 0.2s, box-shadow 0.2s !important;
}

.btn-nav:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 6px 20px var(--accent-glow) !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO ===== */
.hero {
  background: var(--gradient);
  color: var(--white);
  padding: 120px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Hero split layout */
.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-text { text-align: left; }
.hero-text .hero-badge { margin-bottom: 24px; }
.hero-text .hero-ctas { justify-content: flex-start; }
.hero-text .national { justify-content: flex-start; }

.hero-image { display: flex; justify-content: center; align-items: center; }

.hero-img-frame {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.4);
  border: 2px solid rgba(255,255,255,0.15);
  animation: float 6s ease-in-out infinite;
}

.hero-img-frame img {
  width: 100%;
  display: block;
  border-radius: 14px;
}

.hero-img-badge {
  position: absolute;
  bottom: 16px;
  left: 16px;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(10px);
  color: var(--white);
  padding: 8px 14px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(255,255,255,0.15);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(78,163,255,0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(31,95,168,0.3) 0%, transparent 50%);
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--white);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}

.highlight {
  background: linear-gradient(135deg, #4ea3ff, #a8d8ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.85);
  max-width: 620px;
  margin: 0 auto 36px;
  font-weight: 400;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--white);
  padding: 14px 28px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  padding: 14px 28px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 2px solid rgba(255,255,255,0.4);
  transition: all 0.2s;
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.7);
  transform: translateY(-2px);
}

.national {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* Hero shapes */
.hero-shapes { position: absolute; inset: 0; z-index: 1; pointer-events: none; }

.shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.06;
  background: var(--white);
  animation: float 8s ease-in-out infinite;
}

.shape-1 { width: 400px; height: 400px; top: -100px; right: -100px; animation-delay: 0s; }
.shape-2 { width: 250px; height: 250px; bottom: -50px; left: -80px; animation-delay: 3s; }
.shape-3 { width: 150px; height: 150px; top: 40%; right: 15%; animation-delay: 5s; }

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

/* ===== BI GALLERY ===== */
.bi-gallery-section { background: var(--white); }

.bi-gallery {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 20px;
}

.bi-gallery-side {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.bi-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.bi-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.bi-gallery-main .bi-img-wrap { height: 420px; }
.bi-gallery-side .bi-img-wrap { height: 195px; }

.bi-img-wrap:hover img { transform: scale(1.04); }

.bi-img-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(15,46,87,0.9) 0%, transparent 100%);
  color: var(--white);
  padding: 28px 20px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.bi-img-label i { color: var(--accent); }

/* ===== STATS ===== */
.stats-section {
  background: var(--white);
  padding: 60px 0;
  border-bottom: 1px solid #e8ecf0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

.stat-item {
  padding: 20px;
}

.stat-row {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.stat-suffix {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-item p {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-top: 8px;
  font-weight: 500;
}

/* ===== SECTIONS ===== */
.section { padding: 90px 0; }

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--primary);
  margin: 12px 0 16px;
}

.section-header p {
  color: var(--text-light);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto;
}

.section-header.light h2 { color: var(--white); }
.section-header.light p { color: rgba(255,255,255,0.75); }

.section-badge {
  display: inline-block;
  background: rgba(78,163,255,0.12);
  color: var(--primary-light);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  border: 1px solid rgba(78,163,255,0.25);
}

.section-badge.white {
  background: rgba(255,255,255,0.15);
  color: var(--white);
  border-color: rgba(255,255,255,0.3);
}

/* ===== PROBLEM ===== */
.problem-section { background: var(--bg-light); }

.problem-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.problem-text .section-badge { margin-bottom: 16px; }

.problem-text h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 20px;
  line-height: 1.25;
}

.problem-text p {
  color: var(--text-light);
  font-size: 1rem;
  margin-bottom: 14px;
}

.problem-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  background: var(--white);
  border-radius: var(--radius);
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid #ef4444;
  transition: transform 0.2s;
}

.problem-item:hover { transform: translateX(4px); }

.problem-item i {
  color: #ef4444;
  font-size: 1.1rem;
  margin-top: 2px;
  flex-shrink: 0;
}

.problem-item span {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
}

/* ===== CARDS ===== */
.services-section { background: var(--white); }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

.card {
  background: var(--white);
  padding: 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid #e8ecf0;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity 0.3s;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

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

.card.featured {
  border-color: var(--accent);
  box-shadow: 0 8px 40px rgba(78,163,255,0.15);
}

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

.card-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--gradient-accent);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
  color: var(--white);
}

.card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}

.card p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 20px;
}

.card-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text);
  font-weight: 500;
}

.card-features i {
  color: #22c55e;
  font-size: 0.8rem;
  flex-shrink: 0;
}

/* ===== PROCESS ===== */
.process-section { background: var(--bg-light); }

.process-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.step {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  flex: 1;
  min-width: 200px;
  max-width: 230px;
  box-shadow: var(--shadow-md);
  border: 1px solid #e8ecf0;
  position: relative;
  transition: transform 0.3s, box-shadow 0.3s;
}

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

.step-number {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-accent);
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 800;
  padding: 6px 14px;
  border-radius: 50px;
  letter-spacing: 1px;
}

.step-icon {
  font-size: 2rem;
  color: var(--primary-light);
  margin: 16px 0 12px;
  display: block;
}

.step h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.step p {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.6;
}

.step-arrow {
  color: var(--accent);
  font-size: 1.2rem;
  margin-top: 60px;
  opacity: 0.6;
}

/* ===== BENEFITS ===== */
.benefits-section { background: var(--white); }

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 80px;
  align-items: center;
}

.benefits-left .section-badge { margin-bottom: 16px; display: inline-block; }

.benefits-left h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
  line-height: 1.25;
}

.benefits-left p {
  color: var(--text-light);
  margin-bottom: 28px;
  font-size: 1rem;
}

.benefit-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 18px 20px;
  border-radius: var(--radius);
  border: 1px solid #e8ecf0;
  margin-bottom: 14px;
  transition: all 0.2s;
  background: var(--white);
}

.benefit-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.benefit-icon {
  width: 44px;
  height: 44px;
  background: rgba(78,163,255,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.benefit-item h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.benefit-item p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.5;
}

/* ===== RESULTS ===== */
.results-section {
  background: var(--gradient);
  color: var(--white);
}

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

.result-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.3s, background 0.3s;
}

.result-card:hover {
  transform: translateY(-6px);
  background: rgba(255,255,255,0.14);
}

.result-card i {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 16px;
  display: block;
}

.result-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.result-card p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.6;
}

/* ===== CTA ===== */
.cta-section { background: var(--bg-light); }

.cta-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
  line-height: 1.25;
}

.highlight-dark {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta-content p {
  color: var(--text-light);
  font-size: 1.05rem;
  margin-bottom: 36px;
  line-height: 1.7;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.btn-large { padding: 16px 32px; font-size: 1.05rem; }

.btn-outline-dark {
  background: transparent;
  color: var(--primary);
  padding: 14px 28px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 2px solid var(--primary);
  transition: all 0.2s;
}

.btn-outline-dark:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.cta-note {
  font-size: 0.875rem;
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--primary);
  color: var(--white);
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr;
  gap: 50px;
  padding: 60px 0 40px;
}

.footer-logo { height: 62px; margin-bottom: 16px; filter: brightness(0) invert(1); }

.footer-brand p {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  margin-bottom: 18px;
}

.footer-links,
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a,
.footer-contact a,
.footer-contact p {
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s;
}

.footer-links a:hover,
.footer-contact a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255,255,255,0.45);
  font-size: 0.85rem;
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: #25D366;
  color: var(--white);
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  text-decoration: none;
  box-shadow: 0 6px 24px rgba(37,211,102,0.45);
  transition: transform 0.2s, box-shadow 0.2s;
  z-index: 9999;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(37,211,102,0.55);
}

.wa-tooltip {
  position: absolute;
  right: 70px;
  background: #1a1a2e;
  color: var(--white);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

.whatsapp-float:hover .wa-tooltip { opacity: 1; }

/* ===== CONTACT ===== */
.contact-section { background: var(--bg-light); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 70px;
  align-items: start;
}

.contact-left .section-badge { margin-bottom: 16px; display: inline-block; }

.contact-left h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.1rem);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
  line-height: 1.25;
}

.contact-left > p {
  color: var(--text-light);
  font-size: 1rem;
  margin-bottom: 32px;
  line-height: 1.7;
}

.contact-options {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 28px;
}

.contact-option {
  display: flex;
  align-items: center;
  gap: 16px;
}

.contact-option-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-option strong {
  display: block;
  font-size: 0.8rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-option a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.contact-option a:hover { color: var(--accent); }

.calendly-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-light) !important;
}

/* Form */
.contact-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
  border: 1px solid #e8ecf0;
}

.contact-form h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid #e8ecf0;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 16px;
  position: relative;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 11px 14px;
  border: 1.5px solid #dde2ea;
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--white);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: #a0aec0; }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(78,163,255,0.15);
}

.form-group select {
  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='%2364748b' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

.form-group textarea { resize: vertical; min-height: 90px; }

.form-error {
  font-size: 0.78rem;
  color: #ef4444;
  margin-top: 4px;
  display: none;
}

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239,68,68,0.12);
}

.form-group.has-error .form-error { display: block; }

.btn-submit {
  width: 100%;
  background: var(--gradient-accent);
  color: var(--white);
  border: none;
  padding: 14px 28px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 700;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 16px var(--accent-glow);
  margin-top: 4px;
}

.btn-submit:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-submit:disabled { opacity: 0.75; cursor: not-allowed; }

.btn-loading { display: inline-flex; align-items: center; gap: 8px; }

.form-success {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #f0fdf4;
  border: 1.5px solid #86efac;
  color: #166534;
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 0.95rem;
  margin-top: 4px;
}

.form-success i { font-size: 1.3rem; color: #22c55e; flex-shrink: 0; }

/* ===== SCROLL ANIMATIONS ===== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.card:nth-child(1) { transition-delay: 0.05s; }
.card:nth-child(2) { transition-delay: 0.15s; }
.card:nth-child(3) { transition-delay: 0.25s; }
.card:nth-child(4) { transition-delay: 0.35s; }

.step:nth-child(1) { transition-delay: 0s; }
.step:nth-child(3) { transition-delay: 0.15s; }
.step:nth-child(5) { transition-delay: 0.3s; }
.step:nth-child(7) { transition-delay: 0.45s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero-split {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .hero-text { text-align: center; }
  .hero-text .hero-ctas { justify-content: center; }
  .hero-text .national { justify-content: center; }
  .hero-image { display: flex; }
  .hero-img-frame img { max-height: 220px; object-fit: cover; }

  .bi-gallery {
    grid-template-columns: 1fr;
  }
  .bi-gallery-main .bi-img-wrap { height: 260px; }
  .bi-gallery-side { flex-direction: row; }
  .bi-gallery-side .bi-img-wrap { height: 180px; flex: 1; }

  .problem-content,
  .benefits-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .stats-grid,
  .results-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .footer-brand { grid-column: 1 / -1; }

  .process-steps { flex-direction: column; align-items: center; }
  .step-arrow { transform: rotate(90deg); margin: 0; }
  .step { max-width: 320px; width: 100%; }
}

@media (max-width: 640px) {
  .hamburger { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px 24px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    gap: 4px;
    border-top: 1px solid #e8ecf0;
  }

  .nav-links.open { display: flex; }

  .nav-links li { width: 100%; }

  .nav-links a {
    display: block;
    padding: 10px 0;
    border-bottom: 1px solid #f1f5f9;
  }

  .btn-nav {
    display: inline-block !important;
    margin-top: 8px;
    text-align: center;
    width: 100%;
  }

  .hero { padding: 80px 0 70px; }
  .hero h1 { font-size: 1.8rem; }

  .hero-ctas { flex-direction: column; align-items: center; }
  .btn-primary, .btn-outline { width: 100%; max-width: 320px; justify-content: center; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .stat-number { font-size: 2.2rem; }

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

  .footer-content { grid-template-columns: 1fr; gap: 28px; }

  .bi-gallery-side { flex-direction: column; }
  .bi-gallery-side .bi-img-wrap { height: 180px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 24px 20px; }

  .section { padding: 60px 0; }
}