:root {
  --teal: #14B8A6;
  --teal-dark: #0F766E;
  --blue: #1E3A8A;
  --blue-dark: #172554;
  --green: #22C55E;
  --green-dark: #15803D;
  --bg: #F8FAFC;
  --white: #FFFFFF;
  --text: #0F172A;
  --muted: #475569;
  --border: #E2E8F0;

  --soft-teal: #CCFBF1;
  --soft-blue: #DBEAFE;
  --soft-green: #DCFCE7;

  --shadow-sm: 0 8px 20px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 16px 40px rgba(15, 23, 42, 0.08);
  --radius-sm: 14px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --max-width: 1200px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

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

ul {
  list-style: none;
}

.container {
  width: min(100% - 32px, var(--max-width));
  margin: 0 auto;
}

.section {
  padding: 80px 0;
}

.section-sm {
  padding: 60px 0;
}

.section-title {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 48px;
}

.section-title h2 {
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.15;
  margin-bottom: 14px;
  color: var(--blue-dark);
}

.section-title p {
  font-size: 17px;
  color: var(--muted);
}

.topbar {
  background: linear-gradient(90deg, var(--blue), var(--teal-dark));
  color: #ecfeff;
  text-align: center;
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 600;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 26px;
  font-weight: 800;
  color: var(--blue-dark);
  flex-shrink: 0;
}

.brand img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  display: block;
}

.desktop-nav {
  display: flex;
  align-items: center;
  margin-left: auto;
}

.desktop-nav .nav-menu {
  display: flex;
  align-items: center;
  gap: 22px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.desktop-nav .nav-menu li {
  margin: 0;
  padding: 0;
}

.desktop-nav .nav-menu a {
  font-size: 15px;
  font-weight: 700;
  color: var(--muted);
  transition: 0.25s ease;
}

.desktop-nav .nav-menu a:hover,
.desktop-nav .nav-menu a.active {
  color: var(--teal-dark);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--blue-dark);
  border-radius: 999px;
  transition: 0.25s ease;
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  background: #fff;
  border-top: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.mobile-menu.active {
  display: block;
}

.mobile-menu-list {
  margin: 0;
  padding: 14px 16px 18px;
  display: grid;
  gap: 10px;
}

.mobile-menu-list li {
  margin: 0;
  padding: 0;
}

.mobile-menu-list a {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
  color: var(--blue-dark);
  font-weight: 700;
}

.mobile-menu-list a:hover {
  background: var(--soft-teal);
  color: var(--teal-dark);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 15px;
  border: 1px solid transparent;
  transition: 0.25s ease;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--teal), var(--blue));
  color: var(--white);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background: var(--white);
  color: var(--blue);
  border-color: var(--border);
}

.btn-secondary:hover {
  border-color: var(--teal);
  color: var(--teal-dark);
}

.hero {
  padding: 90px 0 70px;
  background:
    radial-gradient(circle at top left, rgba(20, 184, 166, 0.14), transparent 28%),
    radial-gradient(circle at top right, rgba(30, 58, 138, 0.10), transparent 24%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 34px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  background: var(--soft-teal);
  color: var(--teal-dark);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(38px, 5vw, 60px);
  line-height: 1.05;
  margin-bottom: 18px;
  color: var(--blue-dark);
}

.hero p {
  font-size: 18px;
  color: var(--muted);
  margin-bottom: 28px;
  max-width: 720px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px;
  box-shadow: var(--shadow-sm);
}

.card-premium {
  background: linear-gradient(180deg, #ffffff 0%, #f8fffe 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-md);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.icon-box {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-size: 24px;
  margin-bottom: 16px;
  border: 1px solid var(--border);
}

.icon-teal {
  background: var(--soft-teal);
}

.icon-blue {
  background: var(--soft-blue);
}

.icon-green {
  background: var(--soft-green);
}

.card h3,
.card-premium h3 {
  font-size: 22px;
  margin-bottom: 10px;
  color: var(--blue-dark);
}

.card p,
.card-premium p {
  color: var(--muted);
  font-size: 15px;
}

.highlight-section {
  background: linear-gradient(180deg, #ffffff 0%, #f0fdfa 100%);
}

.founder-wrap {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 26px;
  align-items: stretch;
}

.founder-photo-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 20px;
  text-align: center;
}

.founder-photo {
  width: 100%;
  max-width: 420px;
  margin: 0 auto 16px;
  border-radius: 22px;
  object-fit: cover;
}

.founder-photo-name {
  font-size: 26px;
  font-weight: 800;
  color: var(--blue-dark);
}

.founder-photo-role {
  font-size: 15px;
  color: var(--muted);
  margin-top: 6px;
}

.founder-content {
  background: linear-gradient(135deg, var(--blue), var(--teal-dark));
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
}

.founder-content h3 {
  font-size: 30px;
  margin-bottom: 16px;
}

.founder-content p {
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 14px;
}

.cta-box {
  background: linear-gradient(135deg, var(--blue), var(--teal));
  color: var(--white);
  border-radius: 28px;
  padding: 46px 28px;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.cta-box h2 {
  font-size: clamp(30px, 4vw, 44px);
  margin-bottom: 14px;
}

.cta-box p {
  max-width: 760px;
  margin: 0 auto 24px;
  color: rgba(255, 255, 255, 0.92);
}

.site-footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 60px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 28px;
}

.site-footer h4 {
  color: var(--white);
  margin-bottom: 14px;
  font-size: 18px;
}

.site-footer p,
.site-footer a,
.site-footer li {
  color: #cbd5e1;
  font-size: 15px;
}

.site-footer ul {
  display: grid;
  gap: 10px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  margin-top: 28px;
  padding-top: 18px;
  text-align: center;
  font-size: 14px;
  color: #94a3b8;
}

.page-hero {
  padding: 80px 0 55px;
  background:
    radial-gradient(circle at top left, rgba(20, 184, 166, 0.12), transparent 25%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.page-hero h1 {
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.08;
  color: var(--blue-dark);
  margin-bottom: 14px;
}

.page-hero p {
  font-size: 18px;
  color: var(--muted);
  max-width: 760px;
}

@media (max-width: 992px) {
  .hero-grid,
  .grid-2,
  .grid-3,
  .founder-wrap,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .desktop-nav {
    display: none !important;
  }

  .menu-toggle {
    display: inline-flex !important;
  }

  .navbar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
  }

  .brand {
    font-size: 22px;
    gap: 10px;
  }

  .brand img {
    width: 48px;
    height: 48px;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 70px 0 55px;
  }

  .hero h1,
  .page-hero h1 {
    font-size: 34px;
  }

  .hero p,
  .page-hero p,
  .section-title p {
    font-size: 16px;
  }

  .card,
  .card-premium,
  .founder-content,
  .cta-box {
    padding: 22px;
  }

  .brand {
    font-size: 20px;
  }

  .brand img {
    width: 44px;
    height: 44px;
  }

  .menu-toggle {
    width: 42px;
    height: 42px;
  }
}

@media (min-width: 993px) {
  .menu-toggle {
    display: none !important;
  }

  .mobile-menu {
    display: none !important;
  }

  .desktop-nav {
    display: flex !important;
  }
}