/* ==========================================================================
   Fidelis Trading L.L.C — stylesheet
   Monochrome corporate theme. No external fonts/assets — fully self-hosted.
   ========================================================================== */

:root {
  --black: #0d0d0d;
  --near-black: #1a1a1a;
  --gray-800: #2b2b2b;
  --gray-600: #555555;
  --gray-400: #8a8a8a;
  --gray-200: #d9d9d9;
  --gray-100: #f2f2f1;
  --white: #ffffff;

  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1180px;
  --transition: 0.25s ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--near-black);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

ul { list-style: none; margin: 0; padding: 0; }

h1, h2, h3, h4 {
  font-weight: 800;
  letter-spacing: 0.01em;
  margin: 0 0 16px;
  color: var(--black);
}

h1 { font-size: clamp(2rem, 4vw, 3.1rem); line-height: 1.15; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.2rem); }
h3 { font-size: 1.2rem; }

p { margin: 0 0 16px; color: var(--gray-600); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray-600);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--black);
  display: inline-block;
}

.section {
  padding: 88px 0;
}

.section--tight { padding: 56px 0; }

.section--dark {
  background: var(--black);
  color: var(--gray-200);
}

.section--dark h2, .section--dark h3 { color: var(--white); }
.section--dark p { color: var(--gray-400); }

.section--muted { background: var(--gray-100); }

.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}

.section-head--center {
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 30px;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1.5px solid var(--black);
  background: var(--black);
  color: var(--white);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.btn:hover { background: var(--white); color: var(--black); }

.btn--outline {
  background: transparent;
  color: var(--black);
}

.btn--outline:hover { background: var(--black); color: var(--white); }

.btn--on-dark {
  border-color: var(--white);
  background: var(--white);
  color: var(--black);
}

.btn--on-dark:hover { background: transparent; color: var(--white); }

.btn-row { display: flex; flex-wrap: wrap; gap: 16px; }

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--gray-200);
  backdrop-filter: saturate(120%) blur(6px);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 84px;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand__mark { width: 42px; height: 42px; flex: none; object-fit: contain; }

.brand__text { display: flex; flex-direction: column; line-height: 1.15; }

.brand__name {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--black);
}

.brand__suffix {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 26px;
}

.main-nav a {
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--gray-600);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--black);
  border-color: var(--black);
}

.header-actions { display: flex; align-items: center; gap: 18px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border: 1px solid var(--gray-200);
  background: var(--white);
  cursor: pointer;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--black);
  margin: 0 auto;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */

.hero {
  padding: 96px 0 80px;
  border-bottom: 1px solid var(--gray-200);
}

.hero .container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.hero p.lead {
  font-size: 1.08rem;
  color: var(--gray-600);
  max-width: 46ch;
}

.hero-panel {
  border: 1px solid var(--gray-200);
  padding: 32px;
  background: var(--gray-100);
}

.hero-panel__row {
  display: flex;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid var(--gray-200);
}

.hero-panel__row:last-child { border-bottom: none; }

.hero-panel__label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.hero-panel__value {
  font-weight: 700;
  color: var(--black);
  text-align: right;
}

/* ---------- Grids / Cards ---------- */

.grid {
  display: grid;
  gap: 28px;
}

.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  border: 1px solid var(--gray-200);
  padding: 32px 28px;
  height: 100%;
  transition: border-color var(--transition), transform var(--transition);
}

.card:hover { border-color: var(--black); transform: translateY(-3px); }

.card__index {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--gray-400);
  margin-bottom: 14px;
  display: block;
}

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

.card--dark {
  background: var(--black);
  border-color: var(--black);
}

.card--dark h3 { color: var(--white); }
.card--dark p { color: var(--gray-400); }

/* ---------- Stats strip ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}

.stats__item {
  padding: 30px 20px;
  text-align: center;
  border-left: 1px solid var(--gray-200);
}

.stats__item:first-child { border-left: none; }

.stats__value {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--black);
}

.stats__label {
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-top: 6px;
}

/* ---------- List with markers ---------- */

.check-list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 14px;
  color: var(--gray-600);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 12px;
  height: 12px;
  border: 2px solid var(--black);
}

.section--dark .check-list li::before { border-color: var(--white); }
.section--dark .check-list li { color: var(--gray-200); }

/* ---------- CTA banner ---------- */

.cta-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding: 56px 0;
}

.cta-banner h2 { margin-bottom: 6px; }
.cta-banner p { margin: 0; }

/* ---------- Page header (inner pages) ---------- */

.page-header {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--gray-200);
  background: var(--gray-100);
}

.breadcrumb {
  font-size: 0.8rem;
  color: var(--gray-400);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.breadcrumb a { color: var(--gray-600); }
.breadcrumb a:hover { color: var(--black); }

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.contact-card {
  border: 1px solid var(--gray-200);
  padding: 22px 24px;
  margin-bottom: 16px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-card__icon {
  width: 22px;
  height: 22px;
  flex: none;
  margin-top: 3px;
}

.contact-card h3 { margin-bottom: 4px; font-size: 1rem; }
.contact-card p { margin: 0; }
.contact-card a:hover { text-decoration: underline; }

.info-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--gray-200);
}

.info-table th, .info-table td {
  text-align: left;
  padding: 16px 18px;
  border-bottom: 1px solid var(--gray-200);
  font-size: 0.94rem;
}

.info-table th {
  width: 40%;
  color: var(--gray-400);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
}

.info-table tr:last-child th,
.info-table tr:last-child td { border-bottom: none; }

.map-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  font-weight: 700;
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-bottom: 2px solid var(--black);
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--gray-100);
  border-top: 1px solid var(--gray-200);
  padding: 64px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-brand .brand { margin-bottom: 16px; }

.footer-brand p { max-width: 40ch; }

.footer-col h4 {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 18px;
}

.footer-col li { margin-bottom: 12px; }
.footer-col a { color: var(--gray-600); }
.footer-col a:hover { color: var(--black); }

.footer-bottom {
  border-top: 1px solid var(--gray-200);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--gray-400);
}

/* ---------- Reveal-on-scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }

  .site-header.is-open .main-nav {
    display: block;
    position: absolute;
    top: 84px;
    left: 0;
    right: 0;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
    padding: 12px 24px 20px;
  }

  .site-header.is-open .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .site-header.is-open .main-nav a {
    display: block;
    width: 100%;
    padding: 12px 0;
  }

  .hero .container { grid-template-columns: 1fr; }
  .grid--3, .grid--4, .grid--2 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stats__item:nth-child(3) { border-left: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 480px) {
  .section { padding: 64px 0; }
  .hero { padding: 64px 0 48px; }
}