:root {
  --bg-page: #f3f4f6;
  --bg-main: #ffffff;
  --bg-light: #f9fafb;
  --bg-dark-section: #111827;

  --text-main: #111827;
  --text-muted: #6b7280;
  --text-on-dark: #f9fafb;

  --accent: #111827;       /* main accent = logo black */
  --accent-soft: #e5e7eb;

  --border-subtle: #e5e7eb;
  --shadow-soft: 0 16px 40px rgba(15, 23, 42, 0.12);

  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  --max-width: 1120px;
}

/* Global */

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-main);
  background-color: var(--bg-page);
  line-height: 1.5;
}

/* Layout helpers */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
  background-color: var(--bg-main);
}

.section.dark {
  background-color: var(--bg-dark-section);
  color: var(--text-on-dark);
}

.section.dark .section-intro {
  color: rgba(249, 250, 251, 0.78);
}

.section.light {
  background-color: var(--bg-light);
}

.section h2 {
  font-size: 2.1rem;
  margin: 0 0 16px;
}

.section-intro {
  max-width: 640px;
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

/* Grid */

.grid {
  display: grid;
  gap: 24px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 960px) {
  .grid.three,
  .grid.four,
  .grid.two {
    grid-template-columns: 1fr;
  }
}

/* Header & Nav */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background-color: #ffffff;
  border-bottom: 0.3px solid var(--border-subtle);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
}

.logo img {
  height: 192px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.9rem;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
}

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

.nav-cta {
  padding: 4px 8px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--accent);
  background-color: #ffffff;
  color: var(--accent);
  font-weight: 500;
}

/* Hero */

.hero {
  padding: 80px 0 64px;
  background-color: var(--bg-main);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.4rem, 3.2vw, 3rem);
  line-height: 1.1;
  margin: 0 0 16px;
}

.hero-subtitle {
  color: var(--text-muted);
  max-width: 540px;
  font-size: 1rem;
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.8rem;
}

.hero-tags span {
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  padding: 6px 12px;
  background: #f9fafb;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent);
  color: #ffffff;
  font-weight: 600;
}

.btn-primary:hover {
  background-color: #000000;
}

.btn-ghost {
  border-color: var(--border-subtle);
  color: var(--accent);
  background-color: #ffffff;
}

.btn-ghost:hover {
  border-color: var(--accent);
}

/* Hero visual */

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.hero-card {
  background-color: #111827;
  border-radius: var(--radius-xl);
  padding: 22px 20px 20px;
  border: 1px solid rgba(17, 24, 39, 0.9);
  box-shadow: var(--shadow-soft);
  width: 100%;
  max-width: 340px;
  color: var(--text-on-dark);
}

.hero-card h3 {
  margin: 0 0 6px;
  font-size: 1rem;
}

.metric-label {
  color: rgba(249, 250, 251, 0.7);
  font-size: 0.78rem;
  margin: 12px 0 4px;
}

.metric-value {
  font-size: 1.8rem;
  font-weight: 600;
  color: #ffffff;
  margin: 0 0 8px;
}

.sparkline {
  height: 70px;
  border-radius: 16px;
  background: linear-gradient(135deg, #1f2937, #4b5563);
  position: relative;
  overflow: hidden;
}

.sparkline::before {
  content: "";
  position: absolute;
  inset: 16px 12px;
  border-radius: 999px;
  border: 1px solid rgba(249, 250, 251, 0.2);
  border-style: dashed;
}

.hero-note {
  font-size: 0.78rem;
  color: rgba(249, 250, 251, 0.75);
  margin-top: 10px;
}

/* Cards */

.card {
  background-color: var(--bg-main);
  border-radius: var(--radius-lg);
  padding: 20px 18px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
  border: 1px solid var(--border-subtle);
}

.card-dark {
  background-color: #111827;
  border-color: rgba(31, 41, 55, 1);
  color: var(--text-on-dark);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.card p {
  margin: 0 0 12px;
  font-size: 0.92rem;
}

/* Card lists */

.card-list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.card-dark .card-list {
  color: rgba(249, 250, 251, 0.86);
}

.card-list li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 6px;
}

.card-list li::before {
  content: "•";
  position: absolute;
  left: 4px;
  top: 0;
  color: var(--accent);
}

.card-dark .card-list li::before {
  color: #f9fafb;
}

.card-link {
  font-size: 0.85rem;
  color: #e5e7eb;
  text-decoration: none;
}

.card-link:hover {
  text-decoration: underline;
}

/* Vision */

.vision {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 24px;
}

.vision-copy p {
  color: var(--text-muted);
}

.vision-highlight {
  align-self: center;
  border-radius: var(--radius-xl);
  padding: 18px;
  background-color: #f9fafb;
  border: 1px solid var(--border-subtle);
}

.vision-stat-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 0 0 8px;
}

.vision-stat-value {
  font-size: 2rem;
  margin: 0 0 4px;
  color: var(--accent);
}

.vision-footnote {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Quotes */

.quote-card {
  background-color: var(--bg-main);
  border-radius: var(--radius-lg);
  padding: 20px 18px;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}

.quote-text {
  font-size: 0.92rem;
  margin: 0 0 10px;
}

.quote-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0;
}

/* Insights */

.section.dark .card {
  background-color: #111827;
  border-color: rgba(31, 41, 55, 1);
  color: var(--text-on-dark);
}

.tagline {
  font-size: 0.78rem;
  margin-top: 8px;
  color: rgba(249, 250, 251, 0.7);
}

/* Contact */

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 32px;
}

.contact-points {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.contact-points li {
  margin-bottom: 6px;
}

.contact-form form {
  background-color: var(--bg-main);
  border-radius: var(--radius-xl);
  padding: 20px 18px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  border: 1px solid var(--border-subtle);
}

.contact-form label {
  display: block;
  font-size: 0.8rem;
  margin-bottom: 10px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  padding: 8px 10px;
  font-family: inherit;
  font-size: 0.9rem;
  margin-top: 4px;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 1px solid var(--accent);
  border-color: var(--accent);
}

.contact-form button {
  margin-top: 10px;
  width: 100%;
}

.form-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* Footer */

.site-footer {
  background-color: #ffffff;
  color: var(--text-muted);
  padding: 40px 0 18px;
  font-size: 0.86rem;
  border-top: 1px solid var(--border-subtle);
}

.footer-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  padding-bottom: 24px;
}

.footer-logo img {
  height: 192px;
  width: auto;
  display: block;
  margin-bottom: 10px;
}

.footer-copy {
  max-width: 320px;
  color: var(--text-muted);
}

.site-footer h4 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-main);
}

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

.site-footer li {
  margin-bottom: 6px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  font-size: 0.78rem;
}

/* Responsive tweaks */

@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    justify-content: flex-start;
  }

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

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

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

@media (max-width: 640px) {
  .nav-links {
    display: none; /* simple mobile behaviour */
  }

  .hero {
    padding-top: 60px;
  }

  .section {
    padding: 64px 0;
  }

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