/* S&V Asset Management — Design System */

:root {
  --white: #FFFFFF;
  --paper: #F6F7F9;
  --border: #E3E6EB;
  --muted: #6B7280;
  --ink: #0B1320;
  --navy: #102A43;
  --navy-mid: #1B3A5B;
  --gold: #C9A86A;
  --gold-deep: #B8954F;
  --emerald: #1F6F54;

  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-serif: Georgia, 'Times New Roman', serif;

  --container-max: 1200px;
  --header-height: 72px;
  --radius: 6px;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
  overflow-x: hidden;
}

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

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ── Wordmark ── */

.wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.wordmark-serif {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 400;
  letter-spacing: -0.02em;
}

.wordmark-sans {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 0.15rem;
}

.wordmark--dark .wordmark-serif,
.wordmark--dark .wordmark-sans {
  color: var(--ink);
}

.wordmark--light .wordmark-serif,
.wordmark--light .wordmark-sans {
  color: var(--white);
}

.wordmark--hero {
  margin-bottom: 2rem;
}

.wordmark--hero .wordmark-serif {
  font-size: clamp(2.5rem, 6vw, 4rem);
}

.wordmark--hero .wordmark-sans {
  font-size: clamp(0.7rem, 1.5vw, 0.85rem);
}

/* ── Header ── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  height: var(--header-height);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.site-nav {
  display: flex;
  gap: 2rem;
}

.site-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink);
  transition: color var(--transition);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--navy-mid);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ink);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Sections ── */

.section {
  padding: 5rem 0;
}

.section--paper {
  background: var(--paper);
}

.section--navy {
  background: var(--navy);
  color: var(--white);
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.75rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 48px;
  height: 3px;
  background: var(--gold);
}

.section-title--light {
  color: var(--white);
}

.section-intro {
  color: var(--muted);
  max-width: 640px;
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
}

.section-intro--light {
  color: rgba(255, 255, 255, 0.75);
}

.prose {
  max-width: 720px;
}

.prose p {
  margin-bottom: 1.25rem;
  color: var(--ink);
}

.prose p:last-child {
  margin-bottom: 0;
}

/* ── Hero ── */

.hero {
  padding: 5rem 0 6rem;
}

.hero-tagline {
  font-size: clamp(1.05rem, 2.5vw, 1.25rem);
  line-height: 1.7;
  max-width: 720px;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 2.5rem;
}

.pillars {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  margin-bottom: 2.5rem;
}

.pillars li {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--white);
  padding-left: 1rem;
  border-left: 3px solid var(--gold);
}

/* ── Buttons ── */

.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

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

.btn--gold:hover,
.btn--gold:focus-visible {
  background: var(--gold-deep);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

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

/* ── Services grid ── */

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: box-shadow var(--transition), transform var(--transition);
}

.service-card:hover {
  box-shadow: 0 8px 24px rgba(16, 42, 67, 0.08);
  transform: translateY(-2px);
}

.service-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ── Contact ── */

.contact-inner {
  text-align: center;
}

.contact-inner .section-title::after {
  left: 50%;
  transform: translateX(-50%);
}

.contact-invite {
  color: rgba(255, 255, 255, 0.85);
  max-width: 520px;
  margin: 0 auto 2rem;
  font-size: 1.05rem;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.contact-placeholder {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.95rem;
}

/* ── Footer ── */

.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.6);
  padding: 1.5rem 0;
  font-size: 0.85rem;
  text-align: center;
}

/* ── Focus ── */

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* ── Responsive ── */

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.25rem 1.5rem;
    gap: 0;
    transform: translateY(-110%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
    z-index: 99;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .site-nav a {
    display: block;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border);
  }

  .site-nav a:last-child {
    border-bottom: none;
  }

  .section {
    padding: 3.5rem 0;
  }

  .hero {
    padding: 3.5rem 0 4rem;
  }

  .pillars {
    flex-direction: column;
    gap: 0.75rem;
  }
}

@media (max-width: 375px) {
  .container {
    padding: 0 1rem;
  }

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