:root {
  --zinc-900: #18181b;
  --zinc-800: #27272a;
  --zinc-700: #3f3f46;
  --zinc-600: #52525b;
  --zinc-500: #71717a;
  --zinc-400: #a1a1aa;
  --zinc-300: #d4d4d8;
  --zinc-200: #e4e4e7;
  --zinc-50: #fafafa;
  --white: #ffffff;

  --bg-page: var(--zinc-700);
  --bg-alt: var(--zinc-800);
  --bg-card: var(--zinc-900);

  --max-width: 1120px;
  --radius: 10px;
  --header-h: 72px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

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

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

a {
  color: inherit;
}

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(24, 24, 27, 0.9);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--zinc-600);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--white);
}

.brand img {
  height: 26px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--zinc-300);
  font-size: 0.95rem;
  transition: color 0.15s ease;
}

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

.nav-cta {
  color: var(--white) !important;
  background: var(--zinc-900);
  padding: 9px 18px;
  border-radius: var(--radius);
  font-weight: 500;
}

.nav-cta:hover {
  background: var(--zinc-600) !important;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  margin: 5px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* Hero */
.hero {
  padding: 120px 0 100px;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--zinc-300);
  background: var(--zinc-800);
  border: 1px solid var(--zinc-600);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 22px;
  color: var(--white);
}

.hero p {
  font-size: 1.15rem;
  color: var(--zinc-300);
  max-width: 620px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  text-decoration: none;
  padding: 13px 26px;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.98rem;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: var(--zinc-900);
  color: var(--white);
  border: 1px solid var(--zinc-900);
}

.btn-primary:hover {
  background: var(--zinc-500);
  border-color: var(--zinc-500);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--zinc-400);
}

.btn-secondary:hover {
  border-color: var(--white);
}

/* Sections */
section {
  padding: 88px 0;
}

.section-head {
  max-width: 620px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-tag {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--zinc-300);
  margin: 0 0 12px;
}

.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  color: var(--white);
}

.section-head p {
  color: var(--zinc-300);
  margin: 0;
}

#services {
  background: var(--bg-alt);
  border-top: 1px solid var(--zinc-600);
  border-bottom: 1px solid var(--zinc-600);
}

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

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--zinc-600);
  border-radius: var(--radius);
  padding: 30px 26px;
}

.service-card .icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--zinc-700);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-bottom: 18px;
}

.service-card h3 {
  font-size: 1.05rem;
  margin: 0 0 10px;
  color: var(--white);
}

.service-card p {
  color: var(--zinc-300);
  font-size: 0.95rem;
  margin: 0;
}

/* About */
#about .container {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}

.about-text h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  color: var(--white);
}

.about-text p {
  color: var(--zinc-300);
  margin: 0 0 16px;
}

.about-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--zinc-200);
  font-size: 0.95rem;
}

.about-list li::before {
  content: "";
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--white);
  margin-top: 8px;
}

.about-panel {
  background: var(--zinc-900);
  border-radius: 14px;
  padding: 40px;
  color: var(--white);
}

.about-panel .stat {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--zinc-800);
}

.about-panel .stat:last-child {
  border-bottom: none;
}

.about-panel .stat .num {
  flex-shrink: 0;
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.about-panel .stat .label {
  color: var(--zinc-400);
  font-size: 0.9rem;
  text-align: left;
}

/* Recommendations */
#recommendations {
  background: var(--bg-alt);
  border-top: 1px solid var(--zinc-600);
  border-bottom: 1px solid var(--zinc-600);
}

.recommendations-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.recommendation-card {
  margin: 0;
  background: var(--bg-card);
  border: 1px solid var(--zinc-600);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.recommendation-card p {
  margin: 0;
  color: var(--zinc-200);
  font-size: 1rem;
  line-height: 1.65;
}

.recommendation-card footer {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.recommendation-card .name {
  color: var(--white);
  font-weight: 600;
  font-size: 0.95rem;
}

.recommendation-card .role {
  color: var(--zinc-400);
  font-size: 0.85rem;
}

/* Contact */
#contact {
  text-align: center;
}

#contact .section-head {
  margin-bottom: 36px;
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid var(--zinc-400);
  padding-bottom: 4px;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.contact-email:hover {
  color: var(--zinc-300);
  border-color: var(--zinc-300);
}

.contact-note {
  margin-top: 18px;
  color: var(--zinc-300);
  font-size: 0.92rem;
}

/* Footer */
.site-footer {
  background: var(--zinc-900);
  color: var(--zinc-500);
  padding: 40px 0;
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-weight: 600;
  text-decoration: none;
}

.footer-brand img {
  height: 20px;
  width: auto;
}

.footer-link {
  color: var(--zinc-400);
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer-link:hover {
  color: var(--white);
}

.site-footer small {
  font-size: 0.85rem;
}

/* Mobile */
@media (max-width: 820px) {
  #about .container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

@media (max-width: 700px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--zinc-900);
    border-bottom: 1px solid var(--zinc-600);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 20px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease, transform 0.15s ease;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid var(--zinc-700);
  }

  .nav-links .nav-cta {
    margin-top: 12px;
    display: inline-block;
    border-bottom: none;
  }

  .hero {
    padding: 90px 0 70px;
  }
}