/* ============================================
   ARTHA CAPITAL MANAGEMENT — Shared Styles
   ============================================ */

:root {
  --navy: #0b1f3a;
  --navy-deep: #081630;
  --navy-soft: #14315a;
  --cream: #f5efe4;
  --cream-warm: #ede3d0;
  --paper: #faf7f1;
  --gold: #c9a24a;
  --gold-bright: #e0b95a;
  --gold-deep: #8f6f2a;
  --ink: #1a1a1a;
  --ink-soft: #3d3d3d;
  --muted: #6b6b6b;
  --line: rgba(11, 31, 58, 0.12);
  --line-gold: rgba(201, 162, 74, 0.35);

  --serif: 'Cormorant Garamond', 'Playfair Display', Georgia, serif;
  --sans: 'Inter Tight', 'Helvetica Neue', Arial, sans-serif;
  --mono: 'JetBrains Mono', 'Courier New', monospace;

  --max: 1280px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

/* ============================================
   NAV
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(250, 247, 241, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: all 0.3s var(--ease);
}

.nav.scrolled {
  padding: 0.9rem 2rem;
  background: rgba(250, 247, 241, 0.98);
}

.nav-brand {
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav-brand .mark {
  width: 28px;
  height: 28px;
  background: var(--navy);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0;
}

.nav-logo {
  height: 38px;
  width: auto;
  display: block;
  transition: transform 0.3s var(--ease);
}

.nav-brand:hover .nav-logo {
  transform: rotate(-5deg) scale(1.05);
}

.nav-brand-text {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--navy);
  white-space: nowrap;
}

.nav.scrolled .nav-logo {
  height: 32px;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.25s var(--ease);
  position: relative;
}

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

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gold);
}

.nav-cta {
  background: var(--navy);
  color: var(--cream);
  padding: 0.7rem 1.4rem;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: none;
  transition: all 0.25s var(--ease);
}

.nav-cta:hover {
  background: var(--gold);
  color: var(--navy);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  margin: 5px 0;
  transition: all 0.3s var(--ease);
}

/* ============================================
   HERO (shared across pages)
   ============================================ */
.page-hero {
  padding: 10rem 2rem 5rem;
  background: var(--navy);
  color: var(--cream);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(201, 162, 74, 0.15), transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(20, 49, 90, 0.8), transparent 50%);
  pointer-events: none;
}

.page-hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.page-hero .eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.25rem;
  font-weight: 500;
}

.page-hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 6vw, 4.75rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.015em;
  max-width: 900px;
}

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

.page-hero p.lede {
  font-size: 1.15rem;
  color: rgba(245, 239, 228, 0.75);
  margin-top: 1.75rem;
  max-width: 640px;
  line-height: 1.6;
}

/* ============================================
   SECTION DEFAULTS
   ============================================ */
section {
  padding: 6rem 2rem;
  position: relative;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
}

.section-head {
  margin-bottom: 4rem;
  max-width: 780px;
}

.section-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 1rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.section-eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--gold);
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--navy);
}

.section-title em {
  font-style: italic;
  color: var(--gold-deep);
}

.section-sub {
  font-size: 1.05rem;
  color: var(--ink-soft);
  margin-top: 1.5rem;
  max-width: 640px;
  line-height: 1.7;
}

/* ============================================
   CARDS / GRIDS
   ============================================ */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

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

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  font-size: 0.82rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  font-family: var(--sans);
}

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

.btn-primary:hover {
  background: var(--gold-bright);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(201, 162, 74, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--cream);
  border: 1px solid rgba(245, 239, 228, 0.3);
}

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

.btn-dark {
  background: var(--navy);
  color: var(--cream);
}

.btn-dark:hover {
  background: var(--navy-deep);
  transform: translateY(-2px);
}

.btn-arrow::after {
  content: '→';
  transition: transform 0.25s var(--ease);
}

.btn-arrow:hover::after {
  transform: translateX(4px);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--navy-deep);
  color: var(--cream);
  padding: 5rem 2rem 2rem;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  font-family: var(--serif);
  font-size: 1.75rem;
  font-weight: 400;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-brand .mark {
  width: 36px;
  height: 36px;
  background: var(--gold);
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.1rem;
}

.footer-logo {
  height: 42px;
  width: auto;
  display: block;
}

.footer-tag {
  font-size: 0.9rem;
  color: rgba(245, 239, 228, 0.6);
  line-height: 1.6;
  max-width: 320px;
}

.footer h4 {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.25rem;
  font-weight: 600;
}

.footer ul {
  list-style: none;
}

.footer ul li {
  margin-bottom: 0.75rem;
}

.footer ul a,
.footer p.fi {
  font-size: 0.9rem;
  color: rgba(245, 239, 228, 0.7);
  transition: color 0.25s var(--ease);
  line-height: 1.5;
}

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

.footer-bottom {
  max-width: var(--max);
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(245, 239, 228, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: rgba(245, 239, 228, 0.5);
}

/* ============================================
   UTILITIES
   ============================================ */
.divider {
  width: 60px;
  height: 2px;
  background: var(--gold);
  margin: 1.5rem 0;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 960px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 720px) {
  .nav { padding: 1rem 1.25rem; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1.25rem;
    border-bottom: 1px solid var(--line);
  }
  .nav-cta { padding: 0.6rem 1rem; font-size: 0.7rem; }

  section { padding: 4rem 1.25rem; }
  .page-hero { padding: 8rem 1.25rem 3.5rem; }

  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 0.75rem; text-align: center; }
}