/* ===== Design tokens ===== */
:root {
  --navy-900: #0a1a33;
  --navy-800: #0d2a52;
  --navy-700: #123a6b;
  --navy-600: #1a4f8a;
  --accent:   #4a90d9;
  --accent-soft: #e8f1fb;
  --white:    #ffffff;
  --off:      #f5f8fc;
  --border:   #dde6f1;
  --text:     #17263d;
  --muted:    #5a6b83;
  --radius:   14px;
  --shadow:   0 10px 30px rgba(10, 26, 51, 0.08);
  --shadow-lg:0 20px 50px rgba(10, 26, 51, 0.15);
  --maxw:     1120px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: 'Sora', 'Inter', sans-serif; line-height: 1.15; letter-spacing: -0.02em; }

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

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

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  cursor: pointer;
  border: 2px solid transparent;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--accent); color: var(--white); box-shadow: 0 8px 20px rgba(74, 144, 217, 0.35); }
.btn-primary:hover { background: #3a7fc4; }
.btn-ghost { background: transparent; color: var(--navy-800); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost-light { color: var(--white); border-color: rgba(255,255,255,0.4); }
.btn-ghost-light:hover { border-color: var(--white); color: var(--white); }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-family: 'Sora', sans-serif; font-weight: 700; font-size: 1.2rem; color: var(--navy-900); }
.brand-mark {
  display: grid; place-items: center;
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--navy-800), var(--accent));
  color: var(--white); font-weight: 800; font-size: 1.1rem;
}
.brand-light { color: var(--accent); font-weight: 600; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { color: var(--muted); font-weight: 500; font-size: 0.97rem; transition: color 0.15s; }
.nav-links a:hover { color: var(--navy-800); }
.nav-cta { background: var(--navy-800); color: var(--white) !important; padding: 10px 20px; border-radius: 999px; }
.nav-cta:hover { background: var(--navy-700); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--navy-800); border-radius: 2px; }

/* ===== Hero ===== */
.hero {
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(74,144,217,0.18), transparent),
    linear-gradient(160deg, var(--navy-900), var(--navy-700));
  color: var(--white);
  padding: 96px 0 88px;
}
.hero-inner { max-width: 820px; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.8rem; font-weight: 600; color: var(--accent); margin-bottom: 18px; }
.hero .eyebrow { color: #8fc0ee; }
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.5rem); font-weight: 800; margin-bottom: 22px; }
.hero-sub { font-size: 1.15rem; color: #cfe0f3; max-width: 640px; margin-bottom: 34px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 56px; }
.hero-actions .btn-ghost { color: var(--white); border-color: rgba(255,255,255,0.35); }
.hero-actions .btn-ghost:hover { border-color: var(--white); color: var(--white); }
.hero-stats { display: flex; flex-wrap: wrap; gap: 48px; border-top: 1px solid rgba(255,255,255,0.15); padding-top: 30px; }
.hero-stats strong { display: block; font-family: 'Sora', sans-serif; font-size: 2rem; font-weight: 800; color: var(--white); }
.hero-stats span { font-size: 0.9rem; color: #a9c4e0; }

/* ===== Sections ===== */
.section { padding: 92px 0; }
.section-alt { background: var(--off); }
.section-head { max-width: 700px; margin: 0 auto 56px; text-align: center; }
.section-head h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); color: var(--navy-900); margin-bottom: 16px; }
.section-lead { color: var(--muted); font-size: 1.08rem; }

/* ===== Service cards ===== */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.card-icon {
  display: grid; place-items: center;
  width: 54px; height: 54px; border-radius: 12px;
  background: var(--accent-soft); font-size: 1.5rem; margin-bottom: 18px;
}
.card h3 { font-size: 1.2rem; color: var(--navy-800); margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 0.97rem; }

/* ===== About ===== */
.about-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 56px; align-items: center; }
.about-photo { display: flex; justify-content: center; }
.photo-placeholder {
  width: 100%; max-width: 320px; aspect-ratio: 1;
  display: grid; place-items: center;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--navy-800), var(--accent));
  color: var(--white); font-family: 'Sora', sans-serif; font-size: 4rem; font-weight: 800;
  box-shadow: var(--shadow-lg);
}
.about-copy h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); color: var(--navy-900); margin-bottom: 18px; }
.about-copy p { color: var(--muted); margin-bottom: 16px; }
.about-copy strong { color: var(--text); }
.cred-list { list-style: none; margin-top: 22px; display: grid; gap: 12px; }
.cred-list li { position: relative; padding-left: 30px; color: var(--text); font-weight: 500; font-size: 0.97rem; }
.cred-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent);
  display: grid; place-items: center; font-size: 0.75rem; font-weight: 700;
}

/* ===== Why grid ===== */
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.why-item { padding: 28px; border-radius: var(--radius); background: var(--off); border: 1px solid var(--border); }
.why-item h3 { color: var(--navy-800); font-size: 1.1rem; margin-bottom: 10px; }
.why-item p { color: var(--muted); font-size: 0.96rem; }

/* ===== Contact ===== */
.contact {
  background:
    radial-gradient(900px 400px at 20% 120%, rgba(74,144,217,0.25), transparent),
    linear-gradient(160deg, var(--navy-800), var(--navy-900));
  color: var(--white); text-align: center;
}
.contact-inner { max-width: 680px; margin: 0 auto; }
.eyebrow-light { color: #8fc0ee; }
.contact h2 { font-size: clamp(1.9rem, 4vw, 2.6rem); margin-bottom: 18px; }
.contact-lead { color: #cfe0f3; font-size: 1.08rem; margin-bottom: 34px; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* ===== Footer ===== */
.site-footer { background: var(--navy-900); color: #a9c4e0; padding: 32px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.site-footer .brand { color: var(--white); font-size: 1.05rem; }
.footer-copy { font-size: 0.9rem; }

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; text-align: center; }
  .about-photo { order: -1; }
  .cred-list { text-align: left; max-width: 420px; margin-left: auto; margin-right: auto; }
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--white); border-bottom: 1px solid var(--border);
    padding: 8px 24px; box-shadow: var(--shadow);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; padding: 12px 0; }
  .nav-cta { width: 100%; text-align: center; margin: 8px 0; }
}
@media (max-width: 520px) {
  .hero-stats { gap: 28px; }
  .hero-stats strong { font-size: 1.6rem; }
}