:root {
  --ocean-teal: #0F4C5C;
  --ocean-teal-dark: #09323D;
  --ocean-teal-light: #16697A;
  --seafoam: #E3F2FD;
  --seafoam-border: #BBDEFB;
  --warm-sand: #F8F9FA;
  --coral-accent: #E36414;
  --coral-hover: #cc560e;
  --coral-soft: #FFF0E6;
  --surface-white: #FFFFFF;
  --text-primary: #102A32;
  --text-secondary: #4A6572;
  --text-muted: #78909C;
  --shadow-soft: 0 10px 30px rgba(15, 76, 92, 0.08);
  --shadow-elevated: 0 20px 50px rgba(15, 76, 92, 0.16);
  --radius-xl: 1.5rem;
  --radius-lg: 1rem;
  --radius-md: 0.75rem;
  --radius-pill: 9999px;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--warm-sand);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Top Navigation Bar */
.landing-navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(15, 76, 92, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(227, 242, 253, 0.15);
  padding: 0.875rem 1.25rem;
  box-shadow: 0 4px 20px rgba(9, 50, 61, 0.18);
}

.navbar-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--surface-white);
}

.nav-logo-img {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.625rem;
  object-fit: contain;
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(227, 242, 253, 0.25);
  padding: 0.15rem;
}

.nav-brand-text {
  display: flex;
  flex-direction: column;
}

.nav-brand-name {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--surface-white);
}

.nav-brand-tag {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--seafoam);
  opacity: 0.88;
  letter-spacing: 0.03em;
}

.nav-enter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background-color: var(--seafoam);
  color: var(--ocean-teal);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 800;
  padding: 0.6rem 1.15rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--seafoam-border);
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}

.nav-enter-btn:hover {
  background-color: var(--coral-accent);
  color: var(--surface-white);
  border-color: var(--coral-accent);
  box-shadow: 0 4px 14px rgba(227, 100, 20, 0.35);
}

.nav-enter-btn:active {
  transform: scale(0.97);
}

/* Hero Section */
.hero-section {
  position: relative;
  background: radial-gradient(circle at 85% 20%, rgba(227, 100, 20, 0.16) 0%, transparent 45%),
              linear-gradient(145deg, var(--ocean-teal) 0%, var(--ocean-teal-dark) 100%);
  color: var(--surface-white);
  padding: 3.5rem 1.25rem 4rem;
  overflow: hidden;
}

.hero-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 2.25rem;
}

.hero-content {
  max-width: 680px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background-color: rgba(227, 242, 253, 0.14);
  border: 1px solid rgba(227, 242, 253, 0.3);
  color: var(--seafoam);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.875rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1.25rem;
}

.hero-headline {
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--surface-white);
  margin-bottom: 1rem;
}

.hero-subheadline {
  font-size: clamp(1.02rem, 2.2vw, 1.28rem);
  font-weight: 500;
  color: var(--seafoam);
  opacity: 0.94;
  max-width: 560px;
  margin-bottom: 2rem;
  line-height: 1.5;
}

.hero-cta-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.875rem;
  width: 100%;
  max-width: 360px;
}

.hero-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  width: 100%;
  background-color: var(--coral-accent);
  color: var(--surface-white);
  text-decoration: none;
  font-size: 1.02rem;
  font-weight: 800;
  padding: 1rem 1.75rem;
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 24px rgba(227, 100, 20, 0.45);
  transition: background-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}

.hero-cta-btn:hover {
  background-color: var(--coral-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(227, 100, 20, 0.55);
}

.hero-cta-btn:active {
  transform: translateY(0) scale(0.98);
}

.hero-caption {
  font-size: 0.78rem;
  color: var(--seafoam);
  opacity: 0.8;
  font-weight: 500;
}

/* Hero Visual Showcase Card */
.hero-showcase-card {
  width: 100%;
  max-width: 440px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(227, 242, 253, 0.24);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  text-align: left;
  box-shadow: var(--shadow-elevated);
}

.showcase-top {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  margin-bottom: 1.125rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(227, 242, 253, 0.16);
}

.showcase-logo {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--radius-md);
  object-fit: contain;
  background-color: rgba(255, 255, 255, 0.12);
  padding: 0.25rem;
  flex-shrink: 0;
}

.showcase-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--surface-white);
  line-height: 1.25;
}

.showcase-subtitle {
  font-size: 0.78rem;
  color: var(--seafoam);
  opacity: 0.88;
  margin-top: 0.15rem;
}

.showcase-pills {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.625rem;
}

.showcase-pill {
  background-color: rgba(9, 50, 61, 0.55);
  border: 1px solid rgba(227, 242, 253, 0.18);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.75rem;
}

.showcase-pill-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--seafoam);
  opacity: 0.8;
  font-weight: 700;
}

.showcase-pill-val {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--surface-white);
  margin-top: 0.1rem;
}

/* The Science & Impact Section */
.science-impact-section {
  flex: 1;
  padding: 4rem 1.25rem;
  background-color: var(--warm-sand);
}

.section-container {
  max-width: 1140px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 2.5rem;
}

.section-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--coral-accent);
  background-color: var(--coral-soft);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
  margin-bottom: 0.625rem;
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.25rem);
  font-weight: 800;
  color: var(--ocean-teal);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.section-lead {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.feature-card {
  background-color: var(--surface-white);
  border: 1px solid var(--seafoam-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.875rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--ocean-teal);
  box-shadow: 0 14px 34px rgba(15, 76, 92, 0.13);
}

.feature-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-md);
  background-color: var(--seafoam);
  color: var(--ocean-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--seafoam-border);
}

.feature-heading {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--ocean-teal);
  letter-spacing: -0.01em;
}

.feature-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* Footer (The Business Info) */
.landing-footer {
  background-color: var(--ocean-teal-dark);
  color: var(--seafoam);
  padding: 3rem 1.25rem 2rem;
  border-top: 4px solid var(--coral-accent);
}

.footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-logo-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-logo-img {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.5rem;
  object-fit: contain;
  background-color: rgba(255, 255, 255, 0.08);
  padding: 0.15rem;
}

.footer-corp-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--surface-white);
}

.footer-product-badge {
  display: inline-block;
  align-self: flex-start;
  background-color: rgba(227, 100, 20, 0.2);
  border: 1px solid rgba(227, 100, 20, 0.45);
  color: #FFD8BE;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
}

.footer-info-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col-heading {
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--coral-accent);
  margin-bottom: 0.25rem;
}

.footer-detail-line {
  font-size: 0.88rem;
  color: var(--seafoam);
  opacity: 0.92;
}

.footer-detail-line strong {
  color: var(--surface-white);
}

.footer-detail-line a {
  color: var(--seafoam);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.footer-detail-line a:hover {
  color: var(--surface-white);
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(227, 242, 253, 0.14);
  text-align: center;
  font-size: 0.82rem;
  color: var(--seafoam);
  opacity: 0.78;
}

/* Desktop Responsiveness */
@media (min-width: 768px) {
  .landing-navbar {
    padding: 1rem 2rem;
  }

  .hero-section {
    padding: 5rem 2rem 5.5rem;
  }

  .features-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .footer-grid {
    grid-template-columns: 1.2fr 1fr 1.2fr;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .hero-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
    gap: 3.5rem;
  }

  .hero-content {
    align-items: flex-start;
  }

  .hero-cta-group {
    align-items: flex-start;
  }

  .science-impact-section {
    padding: 5.5rem 2rem;
  }
}