:root {
  --navy: #0F2A3C;
  --teal: #4F8A9C;
  --charcoal: #2F3A45;
  --offwhite: #F4F0EA;
  --navy-soft: rgba(15, 42, 60, 0.08);
  --max-width: 1120px;
  --radius: 6px;
  --radius-pill: 999px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--offwhite);
  color: var(--charcoal);
  font-family: 'Inter', Calibri, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3 {
  color: var(--navy);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 0.6em;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 900; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1em; }

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

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

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--navy);
  font-weight: 800;
  letter-spacing: 0.18em;
  font-size: 0.95rem;
}

.logo-mark {
  width: 36px;
  height: 36px;
  color: var(--navy);
}

.logo-word { font-family: 'Inter', Arial, sans-serif; }

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav a {
  color: var(--navy);
  font-weight: 500;
  font-size: 0.95rem;
}

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

.nav-cta {
  background: var(--navy);
  color: var(--offwhite) !important;
  padding: 9px 16px;
  border-radius: var(--radius);
  font-weight: 600;
}

.nav-cta:hover { background: var(--teal); color: var(--offwhite) !important; }

@media (max-width: 700px) {
  .nav { gap: 14px; }
  .nav a:not(.nav-cta) { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  padding: 96px 0 80px;
  background:
    radial-gradient(circle at 85% 0%, rgba(79, 138, 156, 0.18), transparent 55%),
    var(--offwhite);
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 600;
  font-size: 0.78rem;
  color: var(--teal);
  margin-bottom: 18px;
}

.hero h1 {
  max-width: 18ch;
}

.lede {
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  color: var(--charcoal);
  max-width: 56ch;
  margin-top: 0.6em;
  margin-bottom: 2em;
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 26px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
  cursor: pointer;
}

.btn-primary {
  background: var(--navy);
  color: var(--offwhite);
}
.btn-primary:hover {
  background: var(--teal);
  color: var(--offwhite);
}

.btn-ghost {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-ghost:hover {
  background: var(--navy);
  color: var(--offwhite);
}

/* ---------- Sections ---------- */
.section {
  padding: 96px 0;
}

.section-light { background: var(--offwhite); }
.section-dark {
  background: var(--navy);
  color: var(--offwhite);
}
.section-dark h2,
.section-dark h3 { color: var(--offwhite); }
.section-dark p { color: rgba(244, 240, 234, 0.85); }

.section-label {
  display: inline-block;
  background: var(--teal);
  color: var(--offwhite);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 700;
  font-size: 0.72rem;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 22px;
}

.section-label-dark {
  background: var(--teal);
  color: var(--offwhite);
}

/* ---------- Cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
  margin-top: 36px;
}

.card {
  background: #fff;
  border: 1px solid var(--navy-soft);
  border-radius: var(--radius);
  padding: 28px 26px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(15, 42, 60, 0.08);
  border-color: var(--teal);
}

.card h3 { margin-bottom: 10px; }
.card p { margin: 0; color: var(--charcoal); }

/* ---------- Phases ---------- */
.phases {
  list-style: none;
  padding: 0;
  margin: 36px 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}

.phases > li {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.phase-num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--teal);
  color: var(--offwhite);
  font-weight: 800;
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.phases h3 {
  color: var(--offwhite);
  margin-bottom: 6px;
  font-size: 1.1rem;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}

.about-copy p { color: var(--charcoal); }

@media (max-width: 800px) {
  .about-grid { grid-template-columns: 1fr; gap: 24px; }
}

/* ---------- Contact ---------- */
.section-contact {
  background: var(--offwhite);
  border-top: 1px solid var(--navy-soft);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: start;
}

.contact-lede { max-width: 40ch; }
.contact-lede a { color: var(--navy); border-bottom: 1px solid var(--teal); }

.contact-form {
  background: #fff;
  border: 1px solid var(--navy-soft);
  border-radius: var(--radius);
  padding: 32px;
  display: grid;
  gap: 18px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  color: var(--navy);
}

.contact-form input,
.contact-form textarea {
  font-family: inherit;
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: var(--charcoal);
  padding: 12px 14px;
  border: 1px solid var(--navy-soft);
  border-radius: var(--radius);
  background: var(--offwhite);
  transition: border-color 0.15s ease, background 0.15s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--teal);
  background: #fff;
}

.contact-form textarea { resize: vertical; min-height: 120px; }
.contact-form button { justify-self: start; }

@media (max-width: 800px) {
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-form { padding: 24px; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy);
  color: var(--offwhite);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 26px 24px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 600;
}

@media (max-width: 600px) {
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
}