:root {
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI',
    sans-serif;
  --color-bg: #ffffff;
  --color-text: #0f172a;
  --color-muted: #4b5563;
  --color-accent: #334155;
  --color-accent-dark: #1f2937;
  --color-surface: #f1f5f9;
  --color-card: #f8fafc;
  --max-width: 1100px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --shadow-soft: 0 18px 40px -20px rgba(15, 23, 42, 0.35);
  --transition: 200ms ease;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover,
a:focus {
  text-decoration: underline;
}

main {
  padding: 0 1.5rem;
}

.section,
.hero {
  margin: 0 auto;
  padding: 4rem 0;
  max-width: var(--max-width);
}

.section__header {
  max-width: 580px;
  margin-bottom: 2rem;
}

.section__title {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  margin: 0 0 0.5rem;
}

.section__subtitle {
  font-size: 1.05rem;
  color: var(--color-muted);
  margin: 0;
}

.section__body-text {
  font-size: 1.05rem;
  color: var(--color-muted);
  margin: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.8rem 1.75rem;
  transition: transform var(--transition), box-shadow var(--transition),
    background var(--transition);
  border: none;
  cursor: pointer;
}

.btn:focus-visible {
  outline: 3px solid rgba(51, 65, 85, 0.35);
  outline-offset: 3px;
}

.btn--primary {
  color: #ffffff;
  background: var(--color-accent);
  box-shadow: 0 12px 30px -18px rgba(15, 23, 42, 0.55);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
}

.btn--outline {
  border: 1px solid rgba(15, 23, 42, 0.15);
  color: var(--color-text);
  background: transparent;
}

.btn--outline:hover,
.btn--outline:focus-visible {
  border-color: rgba(15, 23, 42, 0.35);
  transform: translateY(-1px);
}


.hero {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 5rem 0 5rem;
}

.hero__content {
  max-width: 620px;
}

.hero__eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-accent);
  margin: 0 0 1rem;
}

.hero__headline {
  font-size: clamp(2.4rem, 8vw, 3.8rem);
  line-height: 1.1;
  margin: 0 0 1.25rem;
}

.hero__subheading {
  font-size: 1.1rem;
  color: var(--color-muted);
  margin: 0 0 2rem;
}

.projects {
  display: grid;
  gap: 1.75rem;
}

.project-card {
  background: var(--color-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.06);
  transition: transform var(--transition), box-shadow var(--transition);
}

.project-card:hover,
.project-card:focus-within {
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
}

.project-card__image {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.project-card__body {
  padding: 1.5rem;
}

.project-card__title {
  margin: 0 0 0.5rem;
  font-size: 1.35rem;
}

.project-card__description {
  margin: 0;
  color: var(--color-muted);
  font-size: 1rem;
}

.project-card__actions {
  margin-top: 1.25rem;
}

.section__note {
  margin-top: 1.5rem;
  font-size: 0.95rem;
  color: var(--color-muted);
}

.services-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
  font-size: 1.05rem;
  color: var(--color-muted);
}

.services-list li::before {
  content: '•';
  color: var(--color-accent);
  font-weight: 700;
  display: inline-block;
  width: 1.5ch;
}

.section--alt {
  background: linear-gradient(135deg, rgba(51, 65, 85, 0.08), rgba(51, 65, 85, 0));
  border-radius: var(--radius-lg);
  padding: 4rem 2.2rem;
}

.contact-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-email {
  font-weight: 600;
  color: var(--color-accent);
}

.contact-email:hover,
.contact-email:focus-visible {
  color: var(--color-accent-dark);
}

.footer {
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  padding: 2.5rem 1.5rem;
  text-align: center;
  font-size: 0.95rem;
  color: var(--color-muted);
}

.footer__name {
  font-weight: 600;
  color: var(--color-text);
}

.footer__separator {
  margin: 0 0.4rem;
}

.footer__year {
  margin-left: 0.4rem;
}

@media (min-width: 768px) {
  main {
    padding: 0 2rem;
  }

  .hero {
    padding: 6rem 0 6rem;
  }

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

  .contact-actions {
    flex-direction: row;
    align-items: center;
  }

  .contact-email {
    margin-left: 0.5rem;
  }
}

@media (min-width: 1024px) {
  .projects {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .hero {
    padding-top: 7rem;
    padding-bottom: 7rem;
  }

  .hero__subheading {
    font-size: 1.15rem;
  }
}