:root {
  --navy: #0b0f22;
  --navy-2: #101630;
  --blue: #2f6fed;
  --blue-light: #57a9ff;
  --silver: #c9cfdb;
  --white: #f5f7fb;
  --text: #1c2237;
  --muted: #5b6376;
  --border: #e3e6ee;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(11, 15, 34, 0.08);
  font-size: 16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
}

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-weight: 700;
  color: var(--navy);
  margin: 0 0 16px;
  line-height: 1.25;
}

h1 { font-size: clamp(2rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 14px; color: var(--muted); }

a { color: var(--blue); text-decoration: none; }

ul { padding-left: 0; list-style: none; }

/* ---------- Header ---------- */
.site-header {
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 20px rgba(0,0,0,0.25);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 10px;
  padding-bottom: 10px;
}

.brand-logo {
  height: 52px;
  display: block;
}

.main-nav .nav-list {
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 0;
}

.main-nav a {
  color: var(--silver);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s;
}

.main-nav a:hover,
.main-nav a.active {
  color: #fff;
  border-color: var(--blue-light);
}

.btn-nav {
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  color: #fff !important;
  padding: 9px 18px !important;
  border-radius: 999px;
  border-bottom: none !important;
}

.nav-toggle { display: none; }
.nav-burger { display: none; cursor: pointer; }
.nav-burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--silver);
  margin: 5px 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  color: #fff !important;
  box-shadow: 0 8px 20px rgba(47,111,237,0.35);
}

.btn-outline {
  border: 2px solid var(--navy);
  color: var(--navy) !important;
}

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(circle at 20% 20%, rgba(47,111,237,0.35), transparent 45%),
    radial-gradient(circle at 80% 60%, rgba(87,169,255,0.25), transparent 50%),
    linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff;
  padding: 90px 0 100px;
}

.hero-inner { max-width: 780px; }

.eyebrow {
  display: inline-block;
  color: var(--blue-light);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 14px;
}

.hero h1 {
  color: #fff;
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.hero-tagline {
  color: var(--blue-light);
  font-size: 1.2rem;
  font-style: italic;
  margin-bottom: 18px;
}

.hero-desc {
  color: var(--silver);
  font-size: 1.05rem;
  max-width: 620px;
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero .btn-outline {
  border-color: var(--silver);
  color: #fff !important;
}

/* ---------- Sections ---------- */
.section { padding: 72px 0; }
.alt-bg { background: #eef1f8; }

.page-hero {
  background: var(--navy);
  color: #fff;
  padding: 64px 0 56px;
}
.page-hero h1 { color: #fff; }
.page-hero p { color: var(--silver); }

/* ---------- Grids & cards ---------- */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

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

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  transition: transform .2s ease;
}
.card:hover { transform: translateY(-4px); }
.card-icon { font-size: 1.8rem; margin-bottom: 10px; }

.info-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.caen-list dt {
  font-weight: 600;
  color: var(--navy);
  margin-top: 12px;
}
.caen-list dd {
  margin: 4px 0 0;
  color: var(--muted);
}

/* CAEN strip */
.caen-strip { padding: 0; }
.caen-strip-inner {
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  border-radius: var(--radius);
  color: #fff;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin: -20px 0 0;
}
.caen-strip-inner p { color: rgba(255,255,255,0.92); margin: 0; }
.caen-badge {
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.4);
  padding: 6px 14px;
  border-radius: 999px;
  font-weight: 700;
  white-space: nowrap;
}

/* Why / quote */
.check-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  color: var(--text);
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--blue);
  font-weight: 700;
}

.quote-box {
  background: var(--navy);
  color: #fff;
  border-radius: var(--radius);
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.quote-box p {
  font-size: 1.4rem;
  font-style: italic;
  color: #fff;
  margin-bottom: 10px;
}
.quote-box span { color: var(--blue-light); }

/* Process steps */
.step { text-align: center; }
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  color: #fff;
  font-weight: 700;
  margin-bottom: 12px;
}

/* CTA */
.cta {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff;
  text-align: center;
}
.cta h2 { color: #fff; }
.cta p { color: var(--silver); }

/* Contact form */
.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;
  color: var(--navy);
  font-weight: 500;
}
.contact-form input,
.contact-form textarea {
  font-family: inherit;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  color: var(--text);
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--blue);
}

.hint {
  font-size: 0.8rem;
  color: var(--muted);
}
.hint code {
  background: #eef1f8;
  padding: 1px 5px;
  border-radius: 4px;
}

/* Flash messages */
.flash-container {
  margin: 24px auto 0;
}
.flash {
  padding: 14px 20px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 12px;
}
.flash-success {
  background: #e5f6ec;
  color: #196a3d;
  border: 1px solid #b6e6c7;
}
.flash-error {
  background: #fdeceb;
  color: #a3241c;
  border: 1px solid #f5c2bd;
}

/* Honeypot field (bot trap, hidden from real users) */
.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  opacity: 0;
  pointer-events: none;
}

.contact-list li {
  margin-bottom: 10px;
  color: var(--text);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy);
  color: var(--silver);
  padding-top: 56px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo { height: 40px; margin-bottom: 12px; }

.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}

.footer-col li,
.footer-col p {
  font-size: 0.9rem;
  color: var(--silver);
  margin-bottom: 8px;
}

.footer-col a {
  color: var(--silver);
}
.footer-col a:hover { color: #fff; }

.footer-bottom {
  padding: 18px 0;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  text-align: center;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav-burger { display: block; }
  .main-nav .nav-list {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--navy-2);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height .25s ease;
  }
  .main-nav .nav-list li { width: 100%; }
  .main-nav .nav-list a {
    display: block;
    padding: 14px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .nav-toggle:checked ~ .nav-list { max-height: 400px; }
  .btn-nav { margin: 12px 24px; display: inline-block; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .caen-strip-inner { margin-top: 0; }
}