/* ==========================================================================
   AsterSage LLC — Core Stylesheet
   Derived from Design Guide (Navy star + Gold sage leaf brand mark)
   ========================================================================== */

/* Typography Imports */
@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;0,6..72,600;1,6..72,400&family=Public+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  /* Navy — Structural & Dominant (~70%) */
  --navy-950: #0E1830;
  --navy-900: #16233F;
  --navy-700: #2B3E63;
  --navy-300: #8A97B3;
  --navy-100: #E7EAF2;

  /* Gold — Accent & Signal (~10%) */
  --gold-600: #9C7A1A;
  --gold-500: #C9A227;
  --gold-300: #E8C568;
  --gold-100: #FBF3DE;

  /* Neutrals — Warm Stone Backdrop */
  --stone-50: #FAFAF9;
  --stone-100: #F1F0EB;
  --stone-300: #D9D7CE;
  --slate-600: #54606E;
  --slate-900: #1B212C;

  /* Semantic Colors */
  --success: #3F7D58;
  --warning: #C9A227;
  --error: #B4472F;
  --info: #2B3E63;

  /* Typography */
  --font-display: 'Newsreader', Georgia, serif;
  --font-body: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'IBM Plex Mono', Consolas, Monaco, monospace;

  --text-xs: 0.75rem;     /* 12px */
  --text-sm: 0.875rem;    /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-lg: 1.25rem;     /* 20px */
  --text-xl: 1.75rem;     /* 28px */
  --text-2xl: 2.25rem;    /* 36px */
  --text-3xl: 3.25rem;    /* 52px */

  /* Spacing (8px Base Grid) */
  --space-1: 0.5rem;   /* 8px */
  --space-2: 1rem;     /* 16px */
  --space-3: 1.5rem;   /* 24px */
  --space-4: 2rem;     /* 32px */
  --space-6: 3rem;     /* 48px */
  --space-8: 4rem;     /* 64px */
  --space-12: 6rem;    /* 96px */
  --space-16: 8rem;    /* 128px */

  /* Elevation & Shape */
  --radius-sm: 4px;
  --radius-md: 8px;
  --shadow-card: 0 1px 3px rgba(14, 24, 48, 0.06);
  --shadow-hover: 0 4px 12px rgba(14, 24, 48, 0.1);
  --border-hairline: 1px solid var(--stone-300);
  --border-navy-tint: 1px solid var(--navy-100);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--slate-900);
  background-color: var(--stone-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography Defaults */
h1, h2, h3, h4, .font-display {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--navy-900);
  line-height: 1.2;
}

h1 { font-size: clamp(2.25rem, 5vw, var(--text-3xl)); margin-bottom: var(--space-3); }
h2 { font-size: clamp(1.75rem, 3.5vw, var(--text-2xl)); margin-bottom: var(--space-3); }
h3 { font-size: clamp(1.25rem, 2.5vw, var(--text-xl)); margin-bottom: var(--space-2); }
h4 { font-size: var(--text-lg); margin-bottom: var(--space-1); }

p {
  color: var(--slate-600);
  margin-bottom: var(--space-3);
  max-width: 72ch;
}

p.lead {
  font-size: var(--text-lg);
  line-height: 1.5;
  color: var(--slate-900);
}

a {
  color: var(--navy-700);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}

a:hover {
  color: var(--gold-600);
}

.text-mono {
  font-family: var(--font-mono);
}

/* Signature Element: Star Point Divider */
.star-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: var(--space-3);
}

.star-divider::before {
  content: '✦';
  color: var(--gold-500);
  font-size: 14px;
}

.star-divider::after {
  content: '';
  display: block;
  width: 48px;
  height: 2px;
  background-color: var(--gold-500);
}

/* Signature Element: Star Glyph Bullets */
ul.star-list {
  list-style: none;
  padding-left: 0;
  margin-bottom: var(--space-3);
}

ul.star-list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: var(--space-2);
  color: var(--slate-900);
}

ul.star-list li::before {
  content: '✦';
  position: absolute;
  left: 0;
  top: 2px;
  color: var(--gold-500);
  font-size: 0.85rem;
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.section-padding {
  padding: var(--space-12) 0;
}

.section-padding-sm {
  padding: var(--space-6) 0;
}

.bg-stone-100 {
  background-color: var(--stone-100);
}

.bg-navy-950 {
  background-color: var(--navy-950);
  color: var(--stone-50);
}

.bg-navy-950 h1, .bg-navy-950 h2, .bg-navy-950 h3, .bg-navy-950 h4 {
  color: var(--stone-50);
}

.bg-navy-950 p {
  color: var(--navy-300);
}

/* Header & Navigation */
.header-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--navy-950);
  border-bottom: 1px solid rgba(231, 234, 242, 0.1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
}

.brand-logo img {
  height: 48px;
  width: auto;
  display: block;
  background-color: #FFFFFF;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s ease;
}

.brand-logo:hover img {
  transform: scale(1.03);
}

.brand-text {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--stone-50);
  letter-spacing: -0.01em;
  line-height: 1;
  white-space: nowrap;
}

.brand-text .gold-text {
  color: var(--gold-500);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
}

.nav-links a {
  color: var(--stone-50);
  font-size: var(--text-sm);
  font-weight: 500;
  position: relative;
  padding: var(--space-1) 0;
  letter-spacing: 0.02em;
}

.nav-links a:hover {
  color: var(--gold-300);
}

.nav-links a.active {
  color: var(--gold-500);
}

.nav-links a.active::after {
  content: '✦';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--gold-500);
  font-size: 8px;
}

.nav-cta {
  display: flex;
  align-items: center;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--stone-50);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-1);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  border: 1.5px solid transparent;
  gap: 0.5rem;
}

.btn-primary {
  background-color: var(--navy-900);
  color: var(--stone-50);
  border-color: var(--navy-900);
}

.btn-primary:hover {
  background-color: var(--navy-700);
  border-color: var(--navy-700);
  color: var(--stone-50);
}

.btn-gold {
  background-color: var(--gold-500);
  color: var(--navy-950);
  border-color: var(--gold-500);
  font-weight: 700;
}

.btn-gold:hover {
  background-color: var(--gold-600);
  border-color: var(--gold-600);
  color: var(--stone-50);
}

.btn-secondary {
  background-color: transparent;
  color: var(--navy-900);
  border-color: var(--navy-900);
}

.btn-secondary:hover {
  background-color: var(--navy-100);
  color: var(--navy-950);
}

.btn-secondary-light {
  background-color: transparent;
  color: var(--stone-50);
  border-color: var(--navy-300);
}

.btn-secondary-light:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--stone-50);
  color: var(--stone-50);
}

/* Grid & Cards */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.grid-hero {
  display: grid;
  grid-template-columns: 60% 40%;
  gap: var(--space-6);
  align-items: center;
}

.card {
  background-color: var(--stone-50);
  border: var(--border-hairline);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: var(--navy-300);
}

.card-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--gold-600);
  background-color: var(--gold-100);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  width: fit-content;
}

.card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--navy-900);
  margin-bottom: var(--space-2);
}

.card-body {
  color: var(--slate-600);
  flex-grow: 1;
  font-size: var(--text-base);
}

.card-link {
  margin-top: var(--space-3);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--navy-700);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.card-link:hover {
  color: var(--gold-600);
}

/* Feature / Hero Visual Cards */
.hero-card {
  background-color: var(--navy-900);
  border: 1px solid var(--navy-700);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  color: var(--stone-50);
  position: relative;
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(14, 24, 48, 0.25);
}

.hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle at top right, rgba(201, 162, 39, 0.2), transparent 70%);
  pointer-events: none;
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 600;
  color: var(--gold-500);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--navy-300);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* CTA Band */
.cta-band {
  background-color: var(--navy-950);
  border-top: 2px solid var(--gold-500);
  padding: var(--space-8) 0;
  text-align: center;
}

.cta-band h2 {
  color: var(--stone-50);
  margin-bottom: var(--space-2);
}

.cta-band p {
  color: var(--navy-300);
  margin: 0 auto var(--space-4) auto;
}

/* Data Table & Monospace Elements */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-4) 0;
  font-size: var(--text-sm);
}

.data-table th, .data-table td {
  padding: var(--space-2) var(--space-3);
  text-align: left;
  border-bottom: var(--border-hairline);
}

.data-table th {
  font-family: var(--font-mono);
  background-color: var(--navy-100);
  color: var(--navy-900);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.data-table tr:nth-child(even) td {
  background-color: var(--stone-100);
}

.data-table td {
  font-family: var(--font-mono);
  color: var(--slate-900);
}

/* Forms & Inputs */
.form-group {
  margin-bottom: var(--space-3);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--navy-900);
  margin-bottom: 0.35rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--slate-900);
  background-color: var(--stone-50);
  border: var(--border-hairline);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--navy-700);
  box-shadow: 0 0 0 3px rgba(43, 62, 99, 0.15);
}

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

/* Modal Styling */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(14, 24, 48, 0.75);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  padding: var(--space-2);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background-color: var(--stone-50);
  border-radius: var(--radius-md);
  max-width: 600px;
  width: 100%;
  padding: var(--space-6);
  position: relative;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  transform: translateY(20px);
  transition: transform 0.3s ease;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-backdrop.active .modal-card {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--slate-600);
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover {
  color: var(--navy-900);
}

/* Footer */
footer {
  background-color: var(--navy-950);
  color: var(--navy-300);
  padding-top: var(--space-8);
  padding-bottom: var(--space-4);
  border-top: 1px solid rgba(231, 234, 242, 0.1);
  font-size: var(--text-sm);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.footer-brand p {
  color: var(--navy-300);
  font-size: var(--text-sm);
  margin-top: var(--space-2);
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--gold-500);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-3);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--navy-300);
}

.footer-links a:hover {
  color: var(--stone-50);
}

.footer-bottom {
  border-top: 1px solid rgba(231, 234, 242, 0.1);
  padding-top: var(--space-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.footer-legal {
  display: flex;
  gap: var(--space-3);
  list-style: none;
}

.footer-legal a {
  color: var(--navy-300);
}

.footer-legal a:hover {
  color: var(--gold-500);
}

/* Responsive Styles */
@media (max-width: 992px) {
  .grid-hero {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: var(--navy-950);
    flex-direction: column;
    padding: var(--space-4);
    border-bottom: 1px solid rgba(231, 234, 242, 0.1);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    display: none;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-cta {
    display: none;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}