/* ============================================================
   Christian Engineers — Design System (ui-ux-pro-max method)
   Style: Professional + Faith-forward (Timeless Editorial)
   ============================================================ */

:root {
  /* Color tokens */
  --color-primary: #0B2545;      /* Deep Navy */
  --color-primary-700: #13315C;  /* Indigo */
  --color-accent: #C9A227;       /* Gold */
  --color-accent-soft: #E8D78A;
  --color-surface: #F7F5F0;      /* Warm Parchment */
  --color-surface-alt: #FFFFFF;
  --color-ink: #1A1A1A;
  --color-muted: #5B6470;
  --color-line: #E3DED3;
  --color-on-primary: #F7F5F0;

  /* Typography */
  --font-serif: "Fraunces", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* Spacing scale (8px base) */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --space-7: 6rem;
  --space-8: 8rem;

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  /* Shadows (soft) */
  --shadow-sm: 0 1px 2px rgba(11, 37, 69, 0.06), 0 1px 3px rgba(11, 37, 69, 0.04);
  --shadow-md: 0 4px 12px rgba(11, 37, 69, 0.08), 0 2px 6px rgba(11, 37, 69, 0.05);
  --shadow-lg: 0 18px 40px rgba(11, 37, 69, 0.12), 0 6px 14px rgba(11, 37, 69, 0.06);

  /* Motion */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur-fast: 150ms;
  --dur: 220ms;
  --dur-slow: 320ms;

  /* Layout */
  --container: 1200px;
  --container-narrow: 760px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-surface);
  line-height: 1.65;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--color-primary);
}
h1 { font-size: clamp(2.5rem, 5vw + 1rem, 4.25rem); }
h2 { font-size: clamp(2rem, 3vw + 1rem, 3rem); }
h3 { font-size: clamp(1.35rem, 1.5vw + 0.75rem, 1.75rem); }
p { color: var(--color-ink); }
.lead { font-size: 1.2rem; color: var(--color-muted); line-height: 1.7; }
.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--color-accent);
  display: inline-block;
}

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-3);
}
.container-narrow { max-width: var(--container-narrow); }
section { padding-block: var(--space-7); }
.section-alt { background: var(--color-surface-alt); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.9rem 1.6rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.01em;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
              background var(--dur) var(--ease), color var(--dur) var(--ease);
  cursor: pointer;
  will-change: transform;
}
.btn-primary {
  background: var(--color-accent);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-secondary {
  background: transparent;
  color: var(--color-on-primary);
  border: 1.5px solid rgba(247, 245, 240, 0.4);
}
.btn-secondary:hover { background: rgba(247, 245, 240, 0.1); transform: translateY(-2px); }
.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-line);
}
.btn-ghost:hover { border-color: var(--color-primary); transform: translateY(-2px); }
.btn .icon { width: 18px; height: 18px; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 245, 240, 0.82);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--color-line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-2);
  gap: var(--space-3);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--color-primary);
  color: var(--color-accent);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.brand-mark svg { width: 22px; height: 22px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
}
.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-ink);
  transition: color var(--dur) var(--ease);
  position: relative;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--color-accent);
  transition: width var(--dur) var(--ease);
}
.nav-links a:hover { color: var(--color-primary); }
.nav-links a:hover::after { width: 100%; }
.nav-cta { display: flex; align-items: center; gap: var(--space-2); }
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  align-items: center; justify-content: center;
}
.nav-toggle svg { width: 24px; height: 24px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(201, 162, 39, 0.18), transparent 60%),
    linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-700) 100%);
  color: var(--color-on-primary);
  padding-block: var(--space-8) var(--space-7);
  overflow: hidden;
}
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(11, 37, 69, 0.72);
  z-index: 1;
}
.hero .container {
  position: relative;
  z-index: 2;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.6;
  z-index: 2;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-6);
  align-items: center;
}
.hero h1 { color: var(--color-on-primary); }
.hero h1 .accent { color: var(--color-accent); font-style: italic; }
.hero .lead { color: rgba(247, 245, 240, 0.82); max-width: 52ch; }
.hero .eyebrow { color: var(--color-accent); }
.hero .eyebrow::before { background: var(--color-accent); }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-4); }
.hero-meta {
  display: flex;
  gap: var(--space-5);
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(247, 245, 240, 0.14);
  flex-wrap: wrap;
}
.hero-meta div { display: flex; flex-direction: column; }
.hero-meta .num { font-family: var(--font-serif); font-size: 1.8rem; color: var(--color-accent); font-weight: 600; }
.hero-meta .label { font-size: 0.85rem; color: rgba(247, 245, 240, 0.7); }

/* Hero visual card */
.hero-card {
  background: rgba(247, 245, 240, 0.06);
  border: 1px solid rgba(247, 245, 240, 0.14);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(6px);
}
.hero-card .verse {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.35rem;
  line-height: 1.5;
  color: var(--color-on-primary);
}
.hero-card .verse-ref {
  margin-top: var(--space-2);
  font-size: 0.9rem;
  color: var(--color-accent);
  font-weight: 600;
  letter-spacing: 0.04em;
}
.hero-card .card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid rgba(247, 245, 240, 0.12);
}
.tag {
  font-size: 0.78rem;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-pill);
  background: rgba(201, 162, 39, 0.16);
  color: var(--color-accent-soft);
  border: 1px solid rgba(201, 162, 39, 0.3);
}

/* ---------- Mission ---------- */
.mission-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: var(--space-6);
  align-items: start;
}
.mission-body p + p { margin-top: var(--space-3); }
.values-list {
  list-style: none;
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.value-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.value-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.value-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: var(--color-accent);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.value-icon svg { width: 22px; height: 22px; }
.value-item h4 { font-size: 1.1rem; margin-bottom: 0.2rem; }
.value-item p { font-size: 0.95rem; color: var(--color-muted); }

/* ---------- What We Do ---------- */
.do-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-5);
}
.do-card {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
  display: flex;
  flex-direction: column;
}
.do-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--color-accent); }
.do-card .num {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--color-accent);
  font-weight: 600;
  letter-spacing: 0.1em;
}
.do-card h3 { margin: var(--space-2) 0 0.5rem; }
.do-card p { color: var(--color-muted); font-size: 0.98rem; }
.do-card .do-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  background: rgba(11, 37, 69, 0.06);
  color: var(--color-primary);
  display: grid; place-items: center;
  margin-bottom: var(--space-2);
}
.do-card .do-icon svg { width: 26px; height: 26px; }

/* ---------- Membership ---------- */
.join {
  background:
    radial-gradient(800px 400px at 10% 0%, rgba(201, 162, 39, 0.12), transparent 60%),
    var(--color-primary);
  color: var(--color-on-primary);
}
.join h2 { color: var(--color-on-primary); }
.join .lead { color: rgba(247, 245, 240, 0.8); }
.join-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: center;
  margin-top: var(--space-5);
}
.tiers { display: grid; gap: var(--space-2); }
.tier {
  background: rgba(247, 245, 240, 0.05);
  border: 1px solid rgba(247, 245, 240, 0.14);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.tier:hover { border-color: var(--color-accent); background: rgba(247, 245, 240, 0.08); }
.tier-head { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-2); }
.tier h4 { color: var(--color-on-primary); font-size: 1.15rem; }
.tier .price { color: var(--color-accent); font-family: var(--font-serif); font-weight: 600; font-size: 1.1rem; }
.tier p { color: rgba(247, 245, 240, 0.72); font-size: 0.92rem; margin-top: 0.3rem; }

.join-form {
  background: var(--color-surface-alt);
  color: var(--color-ink);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-lg);
}
.join-form h3 { color: var(--color-primary); }
.join-form .form-row { margin-top: var(--space-3); }
.join-form .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }

/* ---------- Forms ---------- */
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field label { font-size: 0.85rem; font-weight: 600; color: var(--color-primary); letter-spacing: 0.02em; }
.field input, .field textarea, .field select {
  padding: 0.8rem 1rem;
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  width: 100%;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(11, 37, 69, 0.12);
}
.field textarea { min-height: 130px; resize: vertical; }
.field .hint { font-size: 0.8rem; color: var(--color-muted); }
.form-note { font-size: 0.82rem; color: var(--color-muted); margin-top: var(--space-2); }
.form-status {
  margin-top: var(--space-2);
  font-size: 0.9rem;
  font-weight: 600;
  min-height: 1.2em;
}
.form-status.ok { color: #1f7a4d; }
.form-status.err { color: #b3261e; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: start;
}
.contact-info { display: grid; gap: var(--space-3); }
.contact-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  align-items: start;
}
.contact-item .ci-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-line);
  color: var(--color-primary);
  display: grid; place-items: center;
}
.contact-item .ci-icon svg { width: 22px; height: 22px; }
.contact-item h4 { font-size: 1.05rem; }
.contact-item p { color: var(--color-muted); font-size: 0.95rem; }
.newsletter {
  background: var(--color-primary);
  color: var(--color-on-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-top: var(--space-3);
}
.newsletter h4 { color: var(--color-on-primary); }
.newsletter p { color: rgba(247, 245, 240, 0.78); font-size: 0.92rem; margin: 0.3rem 0 var(--space-2); }
.newsletter form { display: flex; gap: 0.5rem; }
.newsletter input {
  flex: 1;
  padding: 0.8rem 1rem;
  border-radius: var(--radius-pill);
  border: 1.5px solid rgba(247, 245, 240, 0.2);
  background: rgba(247, 245, 240, 0.08);
  color: var(--color-on-primary);
}
.newsletter input::placeholder { color: rgba(247, 245, 240, 0.55); }
.newsletter input:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(201,162,39,0.25); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary);
  color: rgba(247, 245, 240, 0.8);
  padding-block: var(--space-6) var(--space-4);
  border-top: 1px solid rgba(247, 245, 240, 0.1);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-4);
}
.footer-brand .brand { color: var(--color-on-primary); }
.footer-brand p { color: rgba(247, 245, 240, 0.65); font-size: 0.92rem; margin-top: var(--space-2); max-width: 36ch; }
.footer-col h5 {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}
.footer-col ul { list-style: none; display: grid; gap: 0.6rem; }
.footer-col a { font-size: 0.92rem; color: rgba(247, 245, 240, 0.75); transition: color var(--dur) var(--ease); }
.footer-col a:hover { color: var(--color-accent); }
.footer-bottom {
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid rgba(247, 245, 240, 0.12);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: rgba(247, 245, 240, 0.6);
}
.footer-social { display: flex; gap: 0.6rem; }
.footer-social a {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  display: grid; place-items: center;
  border: 1px solid rgba(247, 245, 240, 0.18);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.footer-social a:hover { background: rgba(201,162,39,0.16); border-color: var(--color-accent); }
.footer-social svg { width: 18px; height: 18px; }

/* ---------- Reveal animation ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-grid, .mission-grid, .join-grid, .contact-grid { grid-template-columns: 1fr; }
  .do-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  section { padding-block: var(--space-6); }
  .nav-links, .nav-cta .btn { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--color-surface-alt);
    padding: var(--space-3);
    gap: var(--space-2);
    border-bottom: 1px solid var(--color-line);
    box-shadow: var(--shadow-md);
    align-items: flex-start;
  }
  .do-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .join-form .form-grid { grid-template-columns: 1fr; }
  .newsletter form { flex-direction: column; }
}
@media (max-width: 375px) {
  body { font-size: 1rem; }
  .hero-meta { gap: var(--space-3); }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}