:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --surface-soft: #fbfbfa;
  --text: #111827;
  --muted: #6b7280;
  --line: #e5e7eb;
  --line-strong: #d6dae1;
  --shadow: 0 18px 40px rgba(17, 24, 39, 0.08);
  --accent: #0f172a;
  --accent-2: #1f2937;
  --radius: 18px;
  --container: 1140px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.95), transparent 36%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
}

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

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

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.section {
  padding: 72px 0;
}

.section-divider {
  border-top: 1px solid var(--line);
}

.site-header {
  padding: 12px 0 0;
  background: transparent;
}

.nav-shell {
  width: min(560px, 100%);
  margin: 0 auto;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 10px 14px;
  border: 1px solid rgba(214, 218, 225, 0.95);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.82) inset;
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #ffffff;
  color: #111827;
  cursor: pointer;
}

.menu-icon {
  width: 20px;
  height: 20px;
  display: block;
}

.menu-icon-close {
  display: none;
}

.site-header.is-open .menu-icon-open {
  display: none;
}

.site-header.is-open .menu-icon-close {
  display: block;
}

.site-header.is-open .menu-icon {
  stroke: #111827;
}

.mobile-menu {
  margin-top: 10px;
}

.mobile-nav {
  display: grid;
  gap: 10px;
  padding: 14px 14px 14px 10px;
  border: 1px solid rgba(214, 218, 225, 0.95);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
}

.mobile-nav a {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding-left: 10px;
  border-radius: 10px;
}

.mobile-nav a:not(.button) {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
}

.mobile-cta {
  width: 100%;
}

.brand {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.site-nav a {
  position: relative;
  color: #111827;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.2s ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 18px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-dark {
  color: #ffffff;
  background: linear-gradient(180deg, #111827, #0f172a);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.16);
}

.eyebrow {
  margin-bottom: 18px;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero {
  padding-top: 74px;
  padding-bottom: 88px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.hero-copy {
  max-width: 620px;
}

.hero h1 {
  margin: 0;
  max-width: 820px;
  font-size: clamp(2.2rem, 3.1vw, 3.25rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.hero p,
.about-text p,
.project-card p,
.method-card p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.65;
}

.actions {
  margin-top: 28px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.split {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.content-block {
  max-width: 740px;
}

.content-block p {
  margin-top: 0;
  font-size: clamp(1.1rem, 1.45vw, 1.5rem);
  line-height: 1.5;
  color: #111827;
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.stack-card {
  min-height: 110px;
  padding: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8) inset;
}

.stack-card-wide {
  grid-column: span 2;
}

.stack-card h2,
.project-body h2,
.method-card h2 {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.tags,
.chips {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tags span,
.chips span {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 9px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #f8fafc;
  color: #374151;
  font-size: 0.72rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.project-card {
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.project-media {
  position: relative;
  height: 190px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.project-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.project-media-one {
  background: #edf0f2;
}

.project-media-two {
  background: #111512;
}

.project-media-three {
  background: #111111;
}

.project-body {
  padding: 18px;
}

.project-body p {
  min-height: 72px;
}

.project-links {
  margin-top: 16px;
  display: flex;
  gap: 18px;
  font-size: 0.82rem;
}

.project-links a,
.contact-links a,
.footer-links a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.method-card {
  padding: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
}

.method-icon {
  font-size: 1.1rem;
  line-height: 1;
  margin-bottom: 22px;
}

.contact {
  text-align: center;
}

.contact-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.contact h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3.6vw, 2.9rem);
  line-height: 1.04;
  letter-spacing: -0.05em;
}

.contact-links,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  color: var(--muted);
}

.site-footer {
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 0.82rem;
}

.footer-links {
  justify-content: flex-end;
}

@media (max-width: 1024px) {
  .hero-grid,
  .split {
    grid-template-columns: 1fr;
  }

  .hero-copy,
  .content-block {
    max-width: none;
  }

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

  .stack-card-wide {
    grid-column: span 2;
  }

  .nav-shell {
    width: 100%;
    max-width: 100%;
  }
}

@media (max-width: 767px) {
  .container {
    width: min(var(--container), calc(100% - 28px));
  }

  .section {
    padding: 56px 0;
  }

  .nav-shell {
    padding: 14px 12px;
    justify-content: space-between;
  }

  .site-nav {
    display: none;
  }

  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .site-header.is-open .mobile-menu {
    display: block;
  }

  .hero {
    padding-top: 52px;
  }

  .hero h1 {
    font-size: clamp(2.35rem, 11vw, 3.6rem);
  }

  .stack-grid,
  .projects-grid,
  .method-grid {
    grid-template-columns: 1fr;
  }

  .stack-card-wide {
    grid-column: auto;
  }

  .project-media {
    height: 210px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (min-width: 1400px) {
  :root {
    --container: 1240px;
  }

  .hero {
    padding-top: 92px;
    padding-bottom: 96px;
  }

  .projects-grid {
    gap: 22px;
  }
}