:root {
  --navy: #0f172a;
  --navy-soft: #1e293b;
  --slate: #334155;
  --slate-light: #64748b;
  --fog: #f1f5f9;
  --white: #ffffff;
  --accent: #0891b2;
  --accent-light: #22d3ee;
  --border: #e2e8f0;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

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

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

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

a { color: inherit; }

h1, h2, h3 { line-height: 1.2; margin: 0 0 16px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
  color: var(--navy);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--navy);
  color: var(--accent-light);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.primary-nav a {
  text-decoration: none;
  color: var(--slate);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.15s ease;
}

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

.nav-cta {
  background: var(--navy);
  color: var(--white) !important;
  padding: 10px 18px;
  border-radius: 8px;
}

.nav-cta:hover { background: var(--navy-soft); color: var(--white) !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
}

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-soft) 100%);
  color: var(--white);
  padding: 96px 0 88px;
}

.hero-inner { max-width: 720px; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-light);
  margin: 0 0 14px;
}

.eyebrow.center { text-align: center; }

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: 1.15rem;
  color: #cbd5e1;
  max-width: 560px;
  margin-bottom: 32px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.98rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--accent);
  color: var(--white);
}

.btn-primary:hover { background: var(--accent-light); color: var(--navy); }

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-ghost:hover { border-color: var(--accent-light); color: var(--accent-light); }

/* Value strip */
.value-strip {
  background: var(--fog);
  border-bottom: 1px solid var(--border);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding: 48px 24px;
}

.value-item h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.value-item p {
  color: var(--slate-light);
  margin: 0;
  font-size: 0.95rem;
}

/* Sections */
.section { padding: 96px 0; }
.section-alt { background: var(--fog); }

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  max-width: 640px;
}

.section-title.center { max-width: 640px; margin-left: auto; margin-right: auto; text-align: center; }

.section-sub {
  color: var(--slate-light);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto 48px;
}

.section-sub.center { text-align: center; }

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.service-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.service-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.service-card p {
  color: var(--slate-light);
  margin: 0;
  font-size: 0.95rem;
}

/* Approach */
.approach-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.approach-step {
  padding: 8px 0;
}

.approach-num {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--accent);
  background: rgba(8, 145, 178, 0.1);
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 14px;
}

.approach-step h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.approach-step p {
  color: var(--slate-light);
  margin: 0;
  font-size: 0.95rem;
}

/* About */
.about-inner { max-width: 720px; }
.about p { color: var(--slate); font-size: 1.02rem; }

/* Contact */
.contact-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
}

.contact-intro p { color: var(--slate-light); }

.contact-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}

.form-row { margin-bottom: 18px; display: flex; flex-direction: column; gap: 6px; }

.form-row label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--navy);
}

.form-row input,
.form-row textarea {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--navy);
  background: var(--white);
  resize: vertical;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.15);
}

.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  margin: 14px 0 0;
  font-size: 0.9rem;
  min-height: 1.2em;
}

.form-status.success { color: #0f766e; }
.form-status.error { color: #b91c1c; }

#submitBtn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* Footer */
.site-footer {
  background: var(--navy);
  color: #94a3b8;
  padding: 28px 0;
  font-size: 0.85rem;
}

.footer-inner {
  display: flex;
  justify-content: center;
  text-align: center;
}

/* Responsive */
@media (max-width: 860px) {
  .value-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .approach-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-inner { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav-toggle { display: flex; }
  .primary-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px 24px;
    gap: 18px;
    display: none;
  }
  .primary-nav.open { display: flex; }
  .nav-cta { width: 100%; text-align: center; }
  .services-grid { grid-template-columns: 1fr; }
  .approach-grid { grid-template-columns: 1fr; }
  .hero { padding: 72px 0 64px; }
  .section { padding: 64px 0; }
}