/* ============================================================
   BADR Consulting — Design System
   Dark / Premium / Minimal
   ============================================================ */

/* --- Fonts ------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Playfair+Display:wght@400;500&display=swap');

/* --- Tokens ------------------------------------------------ */
:root {
  --bg:          #080808;
  --bg-card:     #111111;
  --bg-subtle:   #161616;
  --border:      #222222;
  --gold:        #B8963E;
  --gold-light:  #D4AF6A;
  --white:       #F5F5F5;
  --muted:       #888888;
  --muted-light: #AAAAAA;
  --font-sans:   'Inter', system-ui, sans-serif;
  --font-serif:  'Playfair Display', Georgia, serif;
  --max-w:       1160px;
  --radius:      4px;
  --transition:  0.2s ease;
}

/* --- Reset ------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* --- Typography -------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
h4 { font-size: 1.1rem; font-family: var(--font-sans); font-weight: 500; }

p { color: var(--muted-light); max-width: 62ch; }

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

/* --- Layout ------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
}

section { padding: 96px 0; }

.section-header { margin-bottom: 64px; }
.section-header .eyebrow { margin-bottom: 16px; }

/* --- Gold Rule -------------------------------------------- */
.gold-rule {
  width: 48px;
  height: 1px;
  background: var(--gold);
  margin: 24px 0;
}

/* --- Navigation ------------------------------------------- */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

nav.scrolled {
  background: rgba(8, 8, 8, 0.92);
  border-color: var(--border);
  backdrop-filter: blur(12px);
}

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

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--white);
}

.nav-logo span { color: var(--gold); }

.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-light);
  transition: color var(--transition);
}

.nav-links a:hover,
.nav-links a.active { color: var(--white); }

.nav-cta {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 10px 22px;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
}

.nav-cta:hover {
  background: var(--gold);
  color: var(--bg);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--white);
  transition: var(--transition);
}

/* --- Buttons ---------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition);
  border-radius: var(--radius);
}

.btn-primary {
  background: var(--gold);
  color: var(--bg);
  border: 1px solid var(--gold);
  padding: 16px 36px;
}

.btn-primary:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border);
  padding: 16px 36px;
}

.btn-outline:hover {
  border-color: var(--white);
}

/* --- Cards ------------------------------------------------ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  transition: border-color var(--transition);
}

.card:hover { border-color: var(--gold); }

/* --- Divider ---------------------------------------------- */
hr {
  border: none;
  border-top: 1px solid var(--border);
}

/* --- Footer ----------------------------------------------- */
footer {
  border-top: 1px solid var(--border);
  padding: 56px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
}

.footer-logo span { color: var(--gold); }

.footer-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.footer-links a {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--white); }

.footer-copy {
  font-size: 0.75rem;
  color: var(--muted);
}

/* --- Page Hero -------------------------------------------- */
.page-hero {
  padding: 160px 0 80px;
  border-bottom: 1px solid var(--border);
}

/* --- Form ------------------------------------------------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-light);
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  padding: 14px 18px;
  outline: none;
  transition: border-color var(--transition);
  width: 100%;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--gold);
}

.form-group textarea { resize: vertical; min-height: 140px; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* --- Grid Systems ----------------------------------------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }

/* --- Stat strip ------------------------------------------- */
.stat-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 0;
}

.stat-strip .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item { text-align: center; }
.stat-number {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 400;
  color: var(--gold);
  line-height: 1;
}
.stat-label {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 8px;
}

/* --- Responsive ------------------------------------------- */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .stat-strip .container { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  section { padding: 64px 0; }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .stat-strip .container { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-links { flex-wrap: wrap; gap: 20px; }

  nav.mobile-open .nav-links {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 32px 20px;
    gap: 28px;
  }

  nav.mobile-open .nav-links a {
    font-size: 1rem;
  }
}