:root {
  --deep: #0e4c6e;
  --deep-dark: #0a3550;
  --teal: #2aa9a0;
  --teal-light: #e6f6f4;
  --ink: #1b2733;
  --ink-soft: #4b5b68;
  --bg: #ffffff;
  --bg-alt: #f4f8f9;
  --border: #e1e8ea;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(14, 76, 110, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

h1, h2, h3, h4 {
  margin: 0 0 0.5em;
  line-height: 1.2;
  color: var(--deep-dark);
}

p { margin: 0 0 1em; color: var(--ink-soft); }

a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--deep-dark);
  white-space: nowrap;
}
.logo:hover { text-decoration: none; }
.logo-mark { width: 32px; height: 32px; flex-shrink: 0; }
.logo strong { color: var(--teal); }

.site-nav {
  display: flex;
  gap: 28px;
  margin-left: auto;
}
.site-nav a {
  color: var(--ink);
  font-weight: 500;
  font-size: 0.95rem;
}
.site-nav a:hover { color: var(--teal); text-decoration: none; }

.nav-cta { flex-shrink: 0; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: 8px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--deep-dark);
  border-radius: 2px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--teal);
  color: #fff;
}
.btn-primary:hover { background: #24928a; }
.btn-ghost {
  background: transparent;
  color: var(--deep-dark);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--teal); color: var(--teal); }

/* Hero */
.hero {
  background: linear-gradient(160deg, var(--deep) 0%, var(--deep-dark) 60%, #082c42 100%);
  color: #fff;
  padding: 96px 0 88px;
}
.hero-inner { max-width: 760px; }
.hero h1 {
  color: #fff;
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 20px;
}
.hero-sub {
  color: #cfe9ea;
  font-size: 1.15rem;
  max-width: 620px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  margin: 28px 0 36px;
  flex-wrap: wrap;
}
.hero .btn-ghost {
  color: #fff;
  border-color: rgba(255,255,255,0.4);
}
.hero .btn-ghost:hover { border-color: #fff; color: #fff; }

.hero-badges {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  padding: 0;
  margin: 0;
}
.hero-badges li {
  font-size: 0.85rem;
  color: #b7d9db;
  padding-left: 18px;
  position: relative;
}
.hero-badges li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
}

/* Sections */
.section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); }
.section-title { font-size: clamp(1.6rem, 3vw, 2.1rem); }
.section-sub { max-width: 560px; margin-bottom: 44px; font-size: 1.05rem; }

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.card-icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: var(--teal-light);
  color: var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.card-icon svg { width: 24px; height: 24px; }
.card h3 { font-size: 1.15rem; }
.card p { margin-bottom: 0; }

/* Steps */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
}
.steps li {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--deep);
  color: #fff;
  font-weight: 700;
  margin-bottom: 14px;
}
.steps h3 { font-size: 1.1rem; }
.steps p { margin-bottom: 0; font-size: 0.95rem; }

/* About */
.about-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: start;
}
.about-points {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.point {
  border-left: 3px solid var(--teal);
  padding-left: 18px;
}
.point h4 { margin-bottom: 4px; font-size: 1.02rem; color: var(--deep-dark); }
.point p { margin-bottom: 0; font-size: 0.95rem; }

/* Contact */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.contact-list {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 1rem;
}
.contact-list strong { color: var(--deep-dark); margin-right: 6px; }
.placeholder-note {
  font-size: 0.82rem;
  color: #9aa7b0;
  font-style: italic;
}

.contact-form {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--deep-dark);
}
.contact-form input,
.contact-form textarea {
  font: inherit;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--ink);
  resize: vertical;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--teal);
}
.form-note {
  margin: 0;
  font-size: 0.85rem;
  color: var(--teal);
  min-height: 1.2em;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  background: var(--bg-alt);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  font-size: 0.88rem;
  color: var(--ink-soft);
}
.footer-nav { display: flex; gap: 20px; }
.footer-nav a { color: var(--ink-soft); }
.footer-nav a:hover { color: var(--teal); }

/* Responsive */
@media (max-width: 860px) {
  .about-inner, .contact-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 16px;
    display: none;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 10px 0; border-bottom: 1px solid var(--border); }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .hero { padding: 64px 0 56px; }
  .section { padding: 56px 0; }
}