:root {
  color-scheme: dark;
  --bg: #0a0f1f;
  --surface: rgba(255,255,255,0.06);
  --surface-strong: rgba(255,255,255,0.12);
  --text: #eef1f7;
  --muted: #9fb2c8;
  --accent: #4cd0b6;
  --accent-dark: #2ea797;
  --border: rgba(255,255,255,0.12);
  --shadow: 0 24px 80px rgba(0,0,0,0.15);
  --radius: 28px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, rgba(76,208,182,0.16), transparent 30%),
              linear-gradient(180deg, #08101f 0%, #090c18 100%);
  color: var(--text);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

.site-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  width: min(1140px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(8, 14, 27, 0.82);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand,
.brand-footer {
  color: #ffffff;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 1.1rem;
}

.site-logo {
  height: 60px;
  max-width: 280px;
  display: inline-block;
  vertical-align: middle;
  object-fit: contain;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.brand span {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

.site-nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--muted);
  transition: color 0.24s ease;
}

.site-nav a:hover {
  color: #ffffff;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  border-radius: 999px;
  padding: 0.95rem 1.6rem;
  border: 1px solid transparent;
  transition: transform 0.24s ease, box-shadow 0.24s ease, background-color 0.24s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #1accb1);
  color: #08101f;
  box-shadow: 0 20px 50px rgba(76,208,182,0.18);
}

.btn-secondary {
  border-color: rgba(255,255,255,0.16);
  color: var(--text);
  background: rgba(255,255,255,0.05);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.05rem;
}

.hero {
  padding:2rem 0 3rem;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(76,208,182,0.22), transparent 25%),
              radial-gradient(circle at bottom right, rgba(255,255,255,0.1), transparent 20%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
  align-items: start;
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.82rem;
}

.hero h1 {
  font-size: clamp(2.8rem, 4vw, 4.6rem);
  margin: 0 0 1rem;
  line-height: 0.98;
}

.hero p {
  max-width: 55ch;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.hero-tagline {
  margin: 1.25rem 0 1.5rem;
  color: #c2d2ec;
  font-size: clamp(1rem, 1.1vw, 1.2rem);
  line-height: 1.7;
  max-width: 60ch;
}

.hero-certifications {
  margin-top: 1.75rem;
  padding: 1.6rem;
  border-radius: 22px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
}

.hero-certifications h3,
.hero-contact-cert h3 {
  margin: 0 0 1rem;
  font-size: 1.1rem;
  color: #ffffff;
}

.hero-certifications .checklist li,
.hero-contact-cert ul li {
  margin-bottom: 0.85rem;
}

.hero-contact-cert {
  margin-top: 4rem;
  padding: 2.25rem;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.045);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: var(--shadow);
  animation: floatCard 1.4s ease-out both;
  min-height: 340px;
}

.feature-card {
  padding: 2.25rem;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.045);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: var(--shadow);
  animation: floatCard 1.4s ease-out both;
  min-height: 340px;
}

.hero-contact-cert ul {
  margin: 0;
  padding: 0;
}

.hero-contact-cert li {
  color: var(--text);
}

.hero-contact-card {
  display: inline-flex;
  flex-direction: column;
  gap: 0.25rem;
  color: #ffffff;
  padding: 1.4rem 1.5rem;
  border-radius: 1.75rem;
  background: rgba(14, 23, 42, 0.9);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 24px 60px rgba(0,0,0,0.16);
}

.hero-contact-card strong {
  font-size: 1.8rem;
}

.hero-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  justify-content: flex-start;
  align-items: stretch;
}

.hero-image {
  max-width: 100%;
  border-radius: 24px;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.hero-image img {
  display: block;
  width: 100%;
  height: auto;
}

.feature-card {
  padding: 2.25rem;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.045);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: var(--shadow);
  animation: floatCard 1.4s ease-out both;
}

.feature-card h2 {
  margin: 0 0 1rem;
  color: #fbfbff;
}

.feature-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.feature-card li {
  margin-bottom: 0.85rem;
  position: relative;
  padding-left: 1.8rem;
  color: var(--muted);
}

.feature-card li::before {
  content: "✔";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
}

.section {
  padding: 4rem 0;
}

.split-section {
  padding-top: 2rem;
}

.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.info-block {
  padding: 2rem;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 24px 60px rgba(0,0,0,0.1);
}

.info-block h2 {
  margin-top: 0;
  font-size: 2rem;
}

.info-block p {
  color: var(--muted);
  line-height: 1.8;
}

.checklist {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.checklist li {
  margin-bottom: 1rem;
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  color: var(--text);
}

.checklist li::before {
  content: "✔";
  color: var(--accent);
  margin-top: 0.15rem;
}

.accent-block {
  background: linear-gradient(160deg, rgba(76,208,182,0.12), rgba(255,255,255,0.04));
}

.cta-banner {
  padding: 3.5rem 0;
  background: linear-gradient(160deg, rgba(76,208,182,0.14), rgba(255,255,255,0.03));
  border-top: 1px solid rgba(255,255,255,0.08);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.cta-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.cta-grid h2 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.8rem, 2.6vw, 2.6rem);
}

.site-footer {
  padding: 2.5rem 0 3rem;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--muted);
}

.whatsapp-float {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  padding: 1rem 1.3rem;
  border-radius: 999px;
  background: #25d366;
  color: #0a0f1f;
  font-weight: 700;
  box-shadow: 0 18px 30px rgba(37, 211, 102, 0.25);
  z-index: 30;
  transition: transform 0.24s ease;
}

.whatsapp-float:hover {
  transform: translateY(-4px);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

label {
  display: block;
  color: var(--text);
  font-weight: 500;
  line-height: 1.5;
}

label span {
  color: var(--accent);
  margin-left: 0.25rem;
}

input,
textarea {
  width: 100%;
  margin-top: 0.75rem;
  padding: 1rem 1.1rem;
  border-radius: 1.25rem;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
  color: var(--text);
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.15);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  transform: translateY(-1px);
}

textarea {
  min-height: 160px;
  resize: vertical;
}

.contact-form button {
  max-width: 240px;
}

@keyframes floatCard {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@media (max-width: 900px) {
  .hero-grid,
  .split-grid,
  .cta-grid,
  .footer-grid {
    grid-template-columns: 1fr;
    display: block;
  }
  .hero-panel {
    justify-content: flex-start;
  }
  .info-block {
    margin-top: 1rem;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .header-inner {
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
  }
  .site-nav {
    justify-content: center;
  }
  .hero {
    padding-top: 3rem;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-contact-card {
    align-items: center;
  }
}