/* === Reset & Base === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --blue: #295a80;
  --blue-dark: #1d3f5a;
  --blue-light: #3a7ab5;
  --gray-50: #f7f8fa;
  --gray-100: #eef0f3;
  --gray-200: #d8dce3;
  --gray-500: #6b7280;
  --gray-700: #374151;
  --gray-900: #111827;
  --white: #ffffff;
  --max-width: 960px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-700);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

.section-intro {
  font-size: 1.1rem;
  color: var(--gray-500);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

/* === Header === */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-100);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: flex;
  flex-direction: column;
}

.logo-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: -0.01em;
}

.logo-tagline {
  font-size: 0.8rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.header-contact {
  display: flex;
  gap: 20px;
  font-size: 0.9rem;
}

.header-contact a {
  color: var(--gray-500);
  transition: color 0.15s;
}

.header-contact a:hover {
  color: var(--blue);
  text-decoration: none;
}

/* === Hero === */
.hero {
  padding: 64px 0 48px;
  background: var(--gray-50);
}

.hero-inner {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  align-items: center;
}

.hero-photo img {
  width: 280px;
  height: 280px;
  object-fit: cover;
  object-position: left center;
  border-radius: 8px;
}

.hero-text h1 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--gray-500);
  line-height: 1.6;
  margin-bottom: 20px;
  max-width: 480px;
}

.hero-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--blue);
}

/* === Services === */
.services {
  padding: 80px 0;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.service-card {
  padding: 32px;
  background: var(--gray-50);
  border-radius: 8px;
  border: 1px solid var(--gray-100);
}

.service-card h3 {
  color: var(--blue);
  margin-bottom: 8px;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* === About === */
.about {
  padding: 80px 0;
  background: var(--gray-50);
}

.credentials {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
}

.credential-group h3 {
  color: var(--blue);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--blue);
}

.credential-group ul {
  list-style: none;
}

.credential-group li {
  font-size: 0.9rem;
  color: var(--gray-700);
  padding: 6px 0;
  border-bottom: 1px solid var(--gray-200);
  line-height: 1.5;
}

.credential-group li:last-child {
  border-bottom: none;
}

/* === Engagement === */
.engagement {
  padding: 80px 0;
}

.engagement-types {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.engagement-card {
  padding: 32px;
  background: var(--white);
  border: 2px solid var(--blue);
  border-radius: 8px;
  text-align: center;
}

.engagement-card h3 {
  color: var(--blue);
  margin-bottom: 8px;
}

.engagement-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
}

/* === Contact === */
.contact {
  padding: 80px 0;
  background: var(--blue);
  color: var(--white);
  text-align: center;
}

.contact h2 {
  color: var(--white);
}

.contact .section-intro {
  color: rgba(255, 255, 255, 0.75);
  margin-left: auto;
  margin-right: auto;
}

.contact-info {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.contact-link {
  color: var(--white);
  font-size: 1.1rem;
  font-weight: 500;
  padding: 12px 24px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 6px;
  transition: background 0.15s, border-color 0.15s;
}

.contact-link:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
}

button.contact-link {
  cursor: pointer;
  background: rgba(255, 255, 255, 0.15);
  font-family: inherit;
}

/* === Footer === */
.site-footer {
  padding: 24px 0;
  text-align: center;
  background: var(--blue-dark);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
}

/* === Responsive === */
@media (max-width: 768px) {
  h2 {
    font-size: 1.5rem;
  }

  .header-contact {
    display: none;
  }

  .hero {
    padding: 40px 0 32px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }

  .hero-photo img {
    width: 200px;
    height: 200px;
    margin: 0 auto;
    border-radius: 50%;
  }

  .hero-text h1 {
    font-size: 1.75rem;
  }

  .hero-subtitle {
    max-width: none;
  }

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

  .credentials {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .engagement-types {
    grid-template-columns: 1fr;
  }

  .contact-info {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .hero-text h1 {
    font-size: 1.5rem;
  }

  .service-card, .engagement-card {
    padding: 24px;
  }

  .services, .about, .engagement, .contact {
    padding: 56px 0;
  }
}