/* --- Variables --- */
:root {
  --color-bg: #faf9f6;
  --color-bg-warm: #f5f2ec;
  --color-text: #1a1a1a;
  --color-text-muted: #5c5c5c;
  --color-accent: #2d6a5a;
  --color-accent-light: #3d8a76;
  --color-accent-soft: rgba(45, 106, 90, 0.12);
  --color-border: #e5e2dc;
  --font-serif: "DM Serif Display", Georgia, serif;
  --font-sans: "Outfit", system-ui, sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --radius: 8px;
  --radius-lg: 16px;
  --container: min(92vw, 880px);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

/* --- Header --- */
.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(250, 249, 246, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-sm);
  padding-bottom: var(--space-sm);
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  gap: var(--space-lg);
}

.nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  transition: color 0.2s ease;
}

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

/* --- Hero --- */
.hero {
  position: relative;
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-md);
  max-width: 18ch;
}

.hero-title em {
  font-style: normal;
  color: var(--color-accent);
}

.hero-lead {
  font-size: 1.1875rem;
  color: var(--color-text-muted);
  max-width: 42ch;
  margin: 0 0 var(--space-xl);
}

.hero-accent {
  position: absolute;
  bottom: -20%;
  right: -10%;
  width: 60%;
  max-width: 400px;
  height: 70%;
  max-height: 320px;
  background: var(--color-accent-soft);
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  transition: background 0.2s ease, transform 0.15s ease;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border: none;
}

.btn-primary:hover {
  background: var(--color-accent-light);
  transform: translateY(-1px);
}

.btn-large {
  padding: var(--space-md) var(--space-xl);
  font-size: 1.0625rem;
}

/* --- Sections --- */
.section {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-sm);
}

.section-lead {
  color: var(--color-text-muted);
  max-width: 50ch;
  margin: 0 0 var(--space-xl);
  font-size: 1.0625rem;
}

/* --- What we do --- */
.what-we-do {
  background: var(--color-bg-warm);
}

.capabilities {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.capabilities li {
  padding: var(--space-lg);
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.cap-icon {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-md);
  color: var(--color-accent);
}

.cap-icon svg {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.capabilities h3 {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 var(--space-xs);
  color: var(--color-text);
}

.capabilities p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

/* --- Focus --- */
.focus-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
}

.focus-card {
  padding: var(--space-lg);
  background: var(--color-bg-warm);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.focus-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.focus-card p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

/* --- CTA --- */
.cta {
  background: var(--color-accent);
  color: #fff;
}

.cta-inner {
  text-align: center;
}

.cta .section-title,
.cta .section-lead {
  color: inherit;
}

.cta .section-lead {
  opacity: 0.9;
  margin-left: auto;
  margin-right: auto;
}

.cta .btn-primary {
  background: #fff;
  color: var(--color-accent);
}

.cta .btn-primary:hover {
  background: var(--color-bg);
  color: var(--color-accent);
}

/* --- Footer --- */
.footer {
  padding: var(--space-xl) var(--space-md);
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer .logo {
  color: var(--color-text);
}

.footer-tagline {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer-details {
  text-align: right;
}

.footer-details p {
  margin: 0 0 var(--space-xs);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer-details p:last-child {
  margin-bottom: 0;
}

.footer-details a {
  color: var(--color-accent);
  text-decoration: none;
}

.footer-details a:hover {
  text-decoration: underline;
}

/* --- Responsive --- */
@media (max-width: 640px) {
  .nav {
    gap: var(--space-md);
  }

  .hero {
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-2xl);
  }

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

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

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-details {
    text-align: left;
  }
}