/* ============================================
   DEAN FRANKLIN — THE SIGNIFICANCE EFFECT
   Design System & Shared Styles
   ============================================ */

/* --- FONTS --- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif:ital,wght@0,400;0,600;0,700;1,400;1,600&family=Be+Vietnam+Pro:wght@400;500;600&display=swap');

/* --- DESIGN TOKENS --- */
:root {
  --color-primary: #003b5a;
  --color-primary-container: #1a5276;
  --color-secondary: #795900;
  --color-secondary-container: #fccb5c;
  --color-secondary-fixed: #ffdf9f;
  --color-surface: #f9f9fc;
  --color-surface-variant: #e2e2e6;
  --color-on-surface: #191c1e;
  --color-on-surface-variant: #41474e;
  --color-on-secondary-container: #261a00;
  --color-outline: #72787f;
  --color-error: #ba1a1a;

  --color-cream: #F7F0E3;
  --color-ocean: #1A5276;
  --color-gold: #C9973A;

  --font-serif: 'Noto Serif', Georgia, serif;
  --font-sans: 'Be Vietnam Pro', system-ui, sans-serif;

  --spacing-section: clamp(64px, 10vw, 120px);
  --spacing-gutter: clamp(24px, 5vw, 48px);
  --max-width: 1280px;

  --shadow-warm: 0 10px 30px -5px rgba(201, 151, 58, 0.15);
  --shadow-lg: 0 20px 60px -10px rgba(0, 59, 90, 0.12);

  --radius-sm: 2px;
  --radius-md: 4px;

  --transition-base: 200ms ease-out;
  --transition-slow: 500ms ease-out;
}

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

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-sans);
  background-color: var(--color-cream);
  color: var(--color-on-surface);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* --- TYPOGRAPHY SCALE --- */
.t-display {
  font-family: var(--font-serif);
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.t-headline-lg {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 600;
  line-height: 1.2;
}
.t-headline-md {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
  line-height: 1.3;
}
.t-body-lg { font-size: 18px; line-height: 1.7; }
.t-body-md { font-size: 16px; line-height: 1.6; }
.t-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* --- LAYOUT UTILITIES --- */
.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--spacing-gutter);
}

.section { padding-block: var(--spacing-section); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }

@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* --- COLOR UTILITIES --- */
.bg-cream { background-color: var(--color-cream); }
.bg-white { background-color: #fff; }
.bg-primary { background-color: var(--color-primary); }
.bg-primary-container { background-color: var(--color-primary-container); }
.bg-tonal { background-color: rgba(26, 82, 118, 0.03); }

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-muted { color: var(--color-on-surface-variant); }
.text-white { color: #fff; }
.text-gold { color: var(--color-gold); }

/* --- BUTTON COMPONENTS --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: all var(--transition-base);
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--color-primary-container);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary); }

.btn-gold {
  background: var(--color-secondary-container);
  color: var(--color-on-secondary-container);
}
.btn-gold:hover { background: var(--color-secondary-fixed); }

.btn-outline {
  border: 1.5px solid rgba(255,255,255,0.35);
  color: #fff;
  backdrop-filter: blur(8px);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); }

.btn-ghost {
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn-ghost:hover { background: var(--color-primary); color: #fff; }

/* --- CARD COMPONENTS --- */
.card {
  background: #fff;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-warm);
  overflow: hidden;
}

.card-body { padding: 40px; }

.card-border-top-primary { border-top: 4px solid var(--color-primary-container); }
.card-border-top-gold { border-top: 4px solid var(--color-secondary-container); }
.card-border-left { border-left: 4px solid var(--color-secondary-container); }

/* --- FORM COMPONENTS --- */
.form-group { display: flex; flex-direction: column; gap: 8px; }

.form-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
}

.form-input,
.form-textarea {
  background: transparent;
  border: none;
  border-bottom: 2px solid #d1d5db;
  padding: 12px 0;
  font-size: 16px;
  color: var(--color-on-surface);
  outline: none;
  transition: border-color var(--transition-base);
  width: 100%;
}

.form-input:focus,
.form-textarea:focus { border-bottom-color: var(--color-primary); }

.form-input::placeholder,
.form-textarea::placeholder { color: #a1a1aa; }

.form-textarea { resize: vertical; min-height: 120px; }

.form-select {
  background: transparent;
  border: none;
  border-bottom: 2px solid #d1d5db;
  padding: 12px 0;
  font-size: 16px;
  color: var(--color-on-surface);
  outline: none;
  width: 100%;
  appearance: none;
  cursor: pointer;
  transition: border-color var(--transition-base);
}
.form-select:focus { border-bottom-color: var(--color-primary); }

.form-error {
  color: var(--color-error);
  font-size: 13px;
  margin-top: 4px;
  display: none;
}
.form-error.visible { display: block; }

/* --- NAV --- */
#site-nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  background: rgba(249, 245, 237, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(201, 151, 58, 0.15);
  box-shadow: 0 1px 20px rgba(0, 59, 90, 0.06);
}

.nav-inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding: 0 var(--spacing-gutter);
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.nav-logo img { height: 44px; width: 44px; object-fit: contain; }
.nav-logo-text {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-ocean);
  line-height: 1.1;
}
.nav-logo-sub {
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--color-secondary);
  text-transform: uppercase;
}

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

.nav-links a {
  font-family: var(--font-serif);
  font-size: 16px;
  color: #6b7280;
  transition: color var(--transition-base);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-gold);
  transition: width var(--transition-base);
}
.nav-links a:hover { color: var(--color-gold); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--color-primary); }
.nav-links a.active::after { width: 100%; background: var(--color-primary); }

.nav-cta {
  background: var(--color-primary-container);
  color: #fff !important;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-size: 12px !important;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-sans) !important;
  transition: background var(--transition-base) !important;
}
.nav-cta:hover { background: var(--color-primary) !important; }
.nav-cta::after { display: none !important; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: all var(--transition-base);
  border-radius: 2px;
}

/* Mobile nav */
.nav-mobile {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  background: rgba(247, 240, 227, 0.98);
  backdrop-filter: blur(20px);
  padding: 24px var(--spacing-gutter) 40px;
  border-bottom: 1px solid rgba(201, 151, 58, 0.15);
  z-index: 99;
  flex-direction: column;
  gap: 0;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--color-on-surface);
  padding: 16px 0;
  border-bottom: 1px solid rgba(201, 151, 58, 0.1);
  transition: color var(--transition-base);
}
.nav-mobile a:last-child { border-bottom: none; margin-top: 16px; }
.nav-mobile a:hover { color: var(--color-gold); }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
}

/* --- FOOTER --- */
#site-footer {
  background: #1a1a1a;
  color: rgba(255,255,255,0.75);
  padding: 80px 0 40px;
}

.footer-inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--spacing-gutter);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 64px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand-name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.footer-brand-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 12px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: all var(--transition-base);
  text-decoration: none;
}
.footer-social a:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  background: rgba(201, 151, 58, 0.1);
}

.footer-col-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 20px;
}

.footer-links { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-links a {
  font-family: var(--font-serif);
  font-size: 15px;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition-base);
  text-decoration: none;
}
.footer-links a:hover { color: var(--color-gold); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 768px) {
  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 480px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* --- SECTION LABELS --- */
.section-eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: 12px;
}

/* --- DIVIDERS --- */
.divider-gold {
  width: 64px;
  height: 2px;
  background: var(--color-secondary-container);
  margin: 24px 0;
}
.divider-gold.center { margin-inline: auto; }

/* --- NOTIFICATION / TOAST --- */
.toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  background: var(--color-primary);
  color: #fff;
  padding: 16px 24px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  transform: translateY(100px);
  opacity: 0;
  transition: all 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 999;
  max-width: 360px;
}
.toast.success { background: #15803d; }
.toast.error { background: var(--color-error); }
.toast.show { transform: translateY(0); opacity: 1; }

/* --- BREADCRUMB --- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-on-surface-variant);
  margin-bottom: 32px;
}
.breadcrumb a { color: var(--color-secondary); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb-sep { color: #d1d5db; }

/* --- PAGE HERO (reusable inner page) --- */
.page-hero {
  background: var(--color-primary);
  padding: 120px 0 80px;
  color: #fff;
}
.page-hero .section-eyebrow { color: var(--color-secondary-fixed); }

/* --- LOADING SKELETON --- */
.skeleton {
  background: linear-gradient(90deg, #e2e2e6 25%, #f0f0f4 50%, #e2e2e6 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* --- UTILITY CLASSES --- */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
.pt-nav { padding-top: 80px; }
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mt-64 { margin-top: 64px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }
.mb-64 { margin-bottom: 64px; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.gap-32 { gap: 32px; }
.w-full { width: 100%; }
.italic { font-style: italic; }
.font-serif { font-family: var(--font-serif); }
.bold { font-weight: 700; }