/* ============================================================
   Big Interest Group — Shared Stylesheet
   Aesthetic: Authoritative editorial / Financial refinement
   Fonts: Playfair Display (display) + DM Sans (body)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;1,400&family=DM+Sans:wght@300;400;500&display=swap');

:root {
  --navy:    #0d1b2e;
  --navy2:   #152540;
  --gold:    #c9a84c;
  --gold-lt: #e2c87e;
  --cream:   #f5f0e8;
  --text:    #1e2a3a;
  --muted:   #6b7a8d;
  --border:  #ddd5c5;
  --white:   #ffffff;
  --radius:  4px;
  --max-w:   1100px;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --transition:   0.2s ease;
}

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

html { scroll-behavior: smooth; }

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

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

/* ── Navigation ── */
.site-header {
  background: var(--navy);
  border-bottom: 3px solid var(--gold);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.logo {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-main {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.01em;
}

.logo-sub {
  font-size: 0.65rem;
  color: var(--gold);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 500;
  margin-top: 3px;
}

.site-nav {
  display: flex;
  gap: 32px;
  list-style: none;
}

.site-nav a {
  color: #aebdd0;
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  transition: color var(--transition);
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--gold);
}

/* Hamburger (mobile) */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
}

/* ── Hero ── */
.hero {
  background: var(--navy);
  padding: 100px 0 90px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 80% at 60% 50%, rgba(201,168,76,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-label {
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
  margin-bottom: 20px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.18;
  max-width: 700px;
  margin-bottom: 24px;
}

.hero h1 em {
  color: var(--gold);
  font-style: italic;
}

.hero-lead {
  font-size: 1.1rem;
  color: #8fa4be;
  max-width: 560px;
  line-height: 1.75;
  margin-bottom: 40px;
}

.btn {
  display: inline-block;
  padding: 14px 34px;
  border-radius: var(--radius);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  font-family: var(--font-body);
}

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

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

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.3);
}

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

/* ── Page Hero (inner pages) ── */
.page-hero {
  background: var(--navy);
  padding: 64px 0 56px;
  border-bottom: 3px solid var(--gold);
}

.page-hero .breadcrumb {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
  font-weight: 500;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--white);
  font-weight: 700;
}

/* ── Section styles ── */
.section {
  padding: 80px 0;
}

.section-label {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  color: var(--navy);
  margin-bottom: 16px;
  line-height: 1.25;
}

.section-lead {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 580px;
  line-height: 1.75;
}

/* ── Cards ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  margin-top: 52px;
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  position: relative;
  transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  box-shadow: 0 12px 40px rgba(13,27,46,0.1);
  transform: translateY(-3px);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gold);
  border-radius: var(--radius) var(--radius) 0 0;
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover::before { opacity: 1; }

.card-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 20px;
  color: var(--gold);
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--navy);
  margin-bottom: 10px;
}

.card p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ── CTA band ── */
.cta-band {
  background: var(--navy2);
  padding: 72px 0;
  text-align: center;
}

.cta-band h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--white);
  margin-bottom: 16px;
}

.cta-band p {
  color: #8fa4be;
  margin-bottom: 36px;
  font-size: 1.05rem;
}

/* ── Contact Form ── */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
  padding: 80px 0;
}

.contact-info h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--navy);
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 32px;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
  font-size: 0.95rem;
  color: var(--text);
}

.contact-detail svg {
  color: var(--gold);
  flex-shrink: 0;
  margin-top: 3px;
}

.form-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 44px 40px;
  box-shadow: 0 4px 24px rgba(13,27,46,0.06);
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy);
  font-weight: 500;
  margin-bottom: 8px;
}

.form-group label .req {
  color: var(--gold);
  margin-left: 2px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.15);
}

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

.form-submit {
  width: 100%;
  padding: 15px;
  background: var(--navy);
  color: var(--white);
  border: 2px solid var(--navy);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.form-submit:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--navy);
}

.form-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Form feedback */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  margin-bottom: 20px;
  display: none;
}

.alert.success {
  background: #edfaf3;
  border: 1px solid #4caf84;
  color: #1a5c38;
  display: block;
}

.alert.error {
  background: #fdf3f3;
  border: 1px solid #e07070;
  color: #8b2020;
  display: block;
}

/* ── Legal pages ── */
.legal-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 80px 0;
}

.legal-content .meta {
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  margin-bottom: 48px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.legal-content h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--navy);
  margin: 44px 0 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--gold);
  display: inline-block;
}

.legal-content p {
  color: #3a4a5c;
  line-height: 1.8;
  margin-bottom: 16px;
}

.legal-content ul {
  margin: 12px 0 20px 20px;
  color: #3a4a5c;
  line-height: 1.85;
}

.legal-content ul li { margin-bottom: 6px; }

.legal-content a {
  color: var(--navy);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ── Footer ── */
.site-footer {
  background: var(--navy);
  color: #6a7f97;
  padding: 52px 0 36px;
  border-top: 3px solid var(--gold);
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.footer-brand .logo-main { font-size: 1.2rem; }
.footer-brand p {
  font-size: 0.88rem;
  color: #4e6278;
  max-width: 280px;
  margin-top: 10px;
  line-height: 1.65;
}

.footer-links h4 {
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
  font-weight: 500;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-links a {
  color: #6a7f97;
  text-decoration: none;
  font-size: 0.88rem;
  transition: color var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding-top: 24px;
  font-size: 0.8rem;
  color: #3e5268;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* ── Divider ── */
.divider {
  height: 1px;
  background: var(--border);
  margin: 0;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .container { padding: 0 20px; }

  .site-nav {
    display: none;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--navy2);
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 12px 0;
  }

  .site-nav.open { display: flex; }

  .site-nav a {
    padding: 12px 24px;
    display: block;
  }

  .hamburger { display: flex; }

  .site-header .container { position: relative; flex-wrap: wrap; }

  .hero { padding: 64px 0 56px; }

  .contact-wrap {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 52px 0;
  }

  .form-card { padding: 28px 22px; }

  .footer-inner { flex-direction: column; gap: 32px; }
  .footer-bottom { flex-direction: column; }

  .hero-btns { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
}