/* ============================================================
   KEYSTONE LEAD SPEED — style.css
   Shared across all pages
   ============================================================ */

:root {
  --logo-height: 160px; /* <-- TINKER HERE — one value controls all pages */

  --bg:             linear-gradient(135deg, #2a0f1f 0%, #0f2a25 100%);
  --navy:           #1a2a4a;
  --blue:           #2d6abf;
  --blue-lt:        #4a90d9;
  --blue-dim:       rgba(45,106,191,0.18);
  --white:          #f0f0f0;
  --muted:          #9aaabb;
  --faint:          rgba(255,255,255,0.07);
  --card-bg:        rgba(255,255,255,0.05);
  --card-bdr:       rgba(74,144,217,0.2);
  --card-bdr-hover: rgba(74,144,217,0.5);
  --radius-sm:      8px;
  --radius:         12px;
  --radius-lg:      18px;
  --max:            1100px;
  --font-head:      'Barlow Condensed', sans-serif;
  --font-body:      'Barlow', sans-serif;
}

/* ── RESET ─────────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  background-attachment: fixed;
  color: var(--white);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

/* ── NAV ───────────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 56px;
  background: linear-gradient(135deg, rgba(42,15,31,0.97) 0%, rgba(15,42,37,0.97) 100%);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(74,144,217,0.15);
}

.nav-logo img {
  height: var(--logo-height);
  width: auto;
  filter: brightness(3) saturate(0.4);
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 56px;
}

.nav-links a {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s;
}

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

.nav-links .nav-cta {
  background: var(--blue);
  color: var(--white);
  padding: 11px 26px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.1em;
  transition: background 0.2s, transform 0.15s;
}

.nav-links .nav-cta:hover {
  background: var(--blue-lt);
  transform: translateY(-1px);
  color: var(--white);
}

/* hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: 0.25s;
}

/* mobile drawer */
.mobile-nav {
  display: none;
  position: fixed;
  top: 96px; left: 0; right: 0;
  background: rgba(42,15,31,0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--faint);
  flex-direction: column;
  padding: 32px 36px;
  gap: 24px;
  z-index: 199;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s;
}
.mobile-nav a:hover { color: var(--white); }

/* ── PAGE WRAPPER ──────────────────────────────────────────── */
.page { padding-top: 96px; }

/* ── SECTION SHELL ─────────────────────────────────────────── */
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 88px 40px;
}

.section-sm {
  max-width: var(--max);
  margin: 0 auto;
  padding: 60px 40px;
}

.section-rule {
  border: none;
  border-top: 1px solid var(--faint);
  margin: 0;
}

/* ── TYPOGRAPHY HELPERS ────────────────────────────────────── */
.eyebrow {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue-lt);
  margin-bottom: 10px;
}

.heading-xl {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--white);
}

.heading-lg {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.05;
  text-transform: uppercase;
  color: var(--white);
}

.heading-md {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--white);
}

.accent { color: var(--blue-lt); }

.body-text {
  font-size: 0.95rem;
  line-height: 1.72;
  color: var(--muted);
}

.body-text strong { color: var(--white); font-weight: 600; }

/* ── CARDS ─────────────────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-bdr);
  border-radius: var(--radius);
  padding: 28px 26px;
  transition: border-color 0.25s, transform 0.25s;
}

.card:hover {
  border-color: var(--card-bdr-hover);
  transform: translateY(-3px);
}

/* ── BUTTONS ───────────────────────────────────────────────── */
.btn {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  text-align: center;
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(45,106,191,0.3);
}
.btn-primary:hover {
  background: var(--blue-lt);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(45,106,191,0.45);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(74,144,217,0.35);
}
.btn-outline:hover {
  border-color: var(--blue-lt);
  background: rgba(74,144,217,0.07);
  transform: translateY(-2px);
}

/* ── GRID HELPERS ──────────────────────────────────────────── */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

/* ── FOOTER ────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--faint);
  padding: 48px 56px;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-brand {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.footer-links {
  list-style: none;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.82rem;
  color: var(--muted);
  transition: color 0.2s;
  letter-spacing: 0.04em;
}
.footer-links a:hover { color: var(--blue-lt); }

.footer-copy {
  font-size: 0.78rem;
  color: rgba(154,170,187,0.35);
}

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

.form-group label {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(74,144,217,0.22);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 13px 15px;
  transition: border-color 0.2s;
  outline: none;
  width: 100%;
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(154,170,187,0.4);
}

.form-group select option {
  background: #1a1a2a;
  color: var(--white);
}

/* ── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 960px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  nav { padding: 0 24px; height: 80px; }
  .mobile-nav { top: 80px; }
  .page { padding-top: 80px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .section { padding: 64px 24px; }
  .section-sm { padding: 44px 24px; }
  footer { padding: 36px 24px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}