/* =========================================================
   BLUE FINANCE SQUARE — Stylesheet
   Tokens: navy primary, muted teal accent, restrained gold detail
   ========================================================= */

:root {
  /* Color */
  --color-bg: #F6F7F9;
  --color-bg-alt: #EEF1F4;
  --color-surface: #FFFFFF;
  --color-ink: #101B2D;
  --color-ink-soft: #4A5568;
  --color-ink-faint: #7A889A;
  --color-primary: #17324F;
  --color-primary-dark: #0D1F33;
  --color-accent: #3E8E7E;
  --color-accent-dark: #2E6E60;
  --color-gold: #B8902F;
  --color-border: #DDE2E8;

  /* Type */
  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;

  /* Layout */
  --container-w: 1200px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --shadow-card: 0 1px 2px rgba(16, 27, 45, 0.06), 0 2px 10px rgba(16, 27, 45, 0.04);
  --transition: 180ms ease;
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-ink);
  line-height: 1.15;
  margin: 0 0 0.6em;
  font-weight: 600;
}

h1 { font-size: clamp(2.1rem, 4vw + 1rem, 3.4rem); font-weight: 700; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.6rem, 2.4vw + 1rem, 2.3rem); letter-spacing: -0.01em; }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; color: var(--color-ink-soft); }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
img, svg { display: block; max-width: 100%; }

.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }
.section-head { max-width: 620px; margin-bottom: 48px; }
.section-head p { font-size: 1.05rem; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 10px 16px;
  z-index: 200;
}
.skip-link:focus { left: 12px; top: 12px; }

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
}
.btn:active { transform: translateY(1px); }

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

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}
.btn-ghost:hover { border-color: var(--color-primary); background: var(--color-bg-alt); }

.btn-sm { padding: 9px 18px; font-size: 0.88rem; }
.btn-full { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 247, 249, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: 0 2px 12px rgba(16, 27, 45, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-ink);
}

.main-nav ul {
  display: flex;
  gap: 32px;
}
.main-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-ink-soft);
  position: relative;
  padding: 4px 0;
  transition: color var(--transition);
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--color-accent);
  transition: right var(--transition);
}
.main-nav a:hover { color: var(--color-ink); }
.main-nav a:hover::after { right: 0; }

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

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: var(--color-ink);
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  padding: 72px 0 56px;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}

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

.eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent-dark);
  margin-bottom: 14px;
}

.hero-lead {
  font-size: 1.12rem;
  max-width: 46ch;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin: 28px 0 44px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border);
}
.hero-stats dt {
  font-size: 0.78rem;
  color: var(--color-ink-faint);
  margin-bottom: 4px;
}
.hero-stats dd {
  margin: 0;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-ink);
}

.hero-visual { justify-self: center; width: 100%; }
.hero-graphic { width: 100%; height: auto; }

/* ---------- Trust strip ---------- */
.trust-strip {
  background: var(--color-primary);
  color: #cfd9e2;
}
.trust-strip-inner { padding: 12px 24px; text-align: center; }
.trust-strip p {
  margin: 0;
  font-size: 0.82rem;
  color: #C7D3DD;
  letter-spacing: 0.01em;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 56px;
  align-items: start;
}

.about-points {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.about-points li {
  position: relative;
  padding-left: 22px;
  color: var(--color-ink-soft);
}
.about-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--color-accent);
}

.about-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 32px;
}
.about-panel h3 { font-size: 1rem; margin-bottom: 18px; }

.about-details { display: flex; flex-direction: column; gap: 16px; }
.about-details div { border-bottom: 1px solid var(--color-border); padding-bottom: 16px; }
.about-details div:last-child { border-bottom: none; padding-bottom: 0; }
.about-details dt {
  font-size: 0.76rem;
  color: var(--color-ink-faint);
  margin-bottom: 4px;
}
.about-details dd {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 500;
}
.about-details a { color: var(--color-accent-dark); }
.about-details a:hover { text-decoration: underline; }

/* ---------- Services ---------- */
.services { background: var(--color-bg-alt); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: 28px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.service-card:hover {
  border-left-color: var(--color-gold);
  box-shadow: var(--shadow-card);
}
.service-icon {
  display: inline-flex;
  width: 40px;
  height: 40px;
  margin-bottom: 16px;
}
.service-card h3 { margin-bottom: 8px; font-size: 1.08rem; }
.service-card p { font-size: 0.94rem; margin-bottom: 0; }

/* ---------- Why Us ---------- */
.why-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
}

.why-copy p { max-width: 42ch; }

.why-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.why-item h3 {
  font-size: 1rem;
  margin-bottom: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}
.why-item p { font-size: 0.93rem; margin-bottom: 0; }

/* ---------- Contact ---------- */
.contact { background: var(--color-bg-alt); }

.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 56px;
  align-items: start;
}

.contact-details { margin-top: 28px; display: flex; flex-direction: column; gap: 20px; }
.contact-details li { display: flex; flex-direction: column; gap: 4px; }
.contact-label {
  font-size: 0.76rem;
  color: var(--color-ink-faint);
  text-transform: none;
}
.contact-details a { color: var(--color-accent-dark); font-weight: 600; }
.contact-details a:hover { text-decoration: underline; }

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-row label { font-size: 0.88rem; font-weight: 600; color: var(--color-ink); }

.form-row input,
.form-row select,
.form-row textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 11px 13px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-ink);
  transition: border-color var(--transition);
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  border-color: var(--color-accent);
  outline: none;
}
.form-row textarea { resize: vertical; min-height: 110px; }

.form-row.has-error input,
.form-row.has-error select,
.form-row.has-error textarea {
  border-color: #C0392B;
}
.form-error {
  min-height: 1em;
  font-size: 0.8rem;
  color: #C0392B;
}

.form-status {
  min-height: 1.2em;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent-dark);
  margin: 0;
}
.form-status.is-error { color: #C0392B; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary-dark);
  color: #B7C4D1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr;
  gap: 40px;
  padding: 64px 24px 40px;
}

.footer-brand { display: flex; gap: 12px; }
.footer-brand p { color: #93A4B6; font-size: 0.9rem; margin: 0; }

.footer-nav h4, .footer-legal h4 {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: #E4EAF0;
  margin: 0 0 16px;
  font-weight: 600;
}
.footer-nav ul { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a {
  color: #93A4B6;
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer-nav a:hover { color: #fff; }

.footer-legal p { color: #93A4B6; font-size: 0.88rem; margin: 0 0 10px; }
.footer-legal a { color: #93A4B6; }
.footer-legal a:hover { color: #fff; }

.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); }
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding: 18px 24px;
  font-size: 0.8rem;
  color: #7C8FA3;
}
.footer-bottom-inner p { margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid,
  .about-grid,
  .why-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .hero-visual { max-width: 420px; margin: 0 auto; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .section { padding: 64px 0; }

  .main-nav {
    position: fixed;
    inset: 64px 0 auto 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  }
  .main-nav.is-open {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
  }
  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 20px;
  }
  .main-nav li { border-bottom: 1px solid var(--color-border); }
  .main-nav a { display: block; padding: 14px 0; }

  .header-actions .btn-sm { display: none; }
  .nav-toggle { display: flex; }

  .services-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; padding-top: 48px; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
}