:root {
  --mason-green: #006633;
  --mason-green-deep: #004d26;
  --mason-green-soft: #0a7a42;
  --mason-gold: #ffcc33;
  --mason-gold-muted: #e6b82e;
  --ink: #142018;
  --ink-muted: #3d4f42;
  --ink-faint: #6b7c70;
  --paper: #f7faf7;
  --paper-bright: #ffffff;
  --line: rgba(0, 102, 51, 0.14);
  --shadow: 0 18px 50px rgba(0, 50, 25, 0.12);

  --font-display: "Fraunces", "Times New Roman", serif;
  --font-body: "Source Sans 3", "Helvetica Neue", sans-serif;

  --max: 1240px;
  --section-y: clamp(4.75rem, 8vw, 7.5rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.1875rem;
  line-height: 1.68;
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(255, 204, 51, 0.18), transparent 55%),
    radial-gradient(900px 500px at -10% 20%, rgba(0, 102, 51, 0.12), transparent 50%),
    linear-gradient(180deg, #f3f8f4 0%, var(--paper) 35%, #eef5f0 100%);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--mason-green);
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 560;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0;
}

p {
  margin: 0;
}

.site-shell {
  overflow-x: clip;
}

.container {
  width: min(100% - 3rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(247, 250, 247, 0.82);
  border-bottom: 1px solid transparent;
  transition: border-color 200ms ease, background 200ms ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(247, 250, 247, 0.94);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4.25rem;
}

.brand-mark {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: -0.03em;
  color: var(--mason-green);
}

.brand-mark span {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--ink-muted);
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1rem;
  border-radius: 6px;
  background: var(--mason-green);
  color: white !important;
  text-decoration: none !important;
  font-size: 0.9rem;
  font-weight: 650;
  transition: background 180ms ease, transform 180ms ease;
}

.nav-cta:hover {
  background: var(--mason-green-deep);
  transform: translateY(-1px);
}

/* Hero */
.hero {
  position: relative;
  padding: clamp(4rem, 10vw, 7.5rem) 0 clamp(4.5rem, 9vw, 7rem);
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(135deg, rgba(0, 102, 51, 0.08), transparent 42%),
    repeating-linear-gradient(
      -18deg,
      transparent,
      transparent 28px,
      rgba(0, 102, 51, 0.035) 28px,
      rgba(0, 102, 51, 0.035) 29px
    );
  mask-image: linear-gradient(180deg, black 40%, transparent 100%);
}

.hero-grid {
  display: grid;
  gap: 1.75rem;
  max-width: min(100%, 64rem);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mason-green);
}

.eyebrow::before {
  content: "";
  width: 1.75rem;
  height: 2px;
  background: var(--mason-gold);
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.1rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.08;
  max-width: none;
  color: var(--mason-green);
  animation: rise 700ms ease both;
  text-wrap: balance;
}

.hero-lead {
  margin-top: 0.2rem;
  max-width: 62ch;
  font-size: clamp(1.22rem, 1.9vw, 1.42rem);
  line-height: 1.7;
  color: var(--ink-muted);
  animation: rise 850ms 140ms ease both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.95rem;
  margin-top: 2.25rem;
  animation: rise 900ms 200ms ease both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.2rem;
  padding: 0.85rem 1.5rem;
  border-radius: 6px;
  font-weight: 650;
  font-size: 1.05rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease,
    color 180ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--mason-green);
  color: white;
}

.btn-primary:hover {
  background: var(--mason-green-deep);
  color: white;
}

.btn-secondary {
  background: transparent;
  border-color: rgba(0, 102, 51, 0.35);
  color: var(--mason-green);
}

.btn-secondary:hover {
  border-color: var(--mason-green);
  color: var(--mason-green-deep);
}

.hero-meta {
  margin-top: 2.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  color: var(--ink-faint);
  font-size: 0.92rem;
  animation: rise 950ms 260ms ease both;
}

.hero-meta strong {
  display: block;
  color: var(--ink);
  font-weight: 700;
  margin-bottom: 0.15rem;
}

/* Sections */
section {
  padding: var(--section-y) 0;
}

.section-head {
  max-width: none;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.section-head h2 {
  font-size: clamp(2.35rem, 4.2vw, 3.15rem);
  color: var(--mason-green-deep);
  max-width: 22ch;
}

.section-head p {
  margin-top: 0.95rem;
  color: var(--ink-muted);
  font-size: clamp(1.15rem, 1.6vw, 1.28rem);
  max-width: 68ch;
}

.about {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
}

.about-layout {
  display: grid;
  gap: 1.75rem 3.5rem;
  align-items: start;
}

.about-heading h2 {
  margin: 0;
  font-size: clamp(2.35rem, 4.2vw, 3.15rem);
  color: var(--mason-green-deep);
  max-width: 14ch;
  text-wrap: balance;
}

.about-copy {
  display: grid;
  gap: 1.25rem;
  max-width: none;
}

.about-copy p {
  color: var(--ink-muted);
  font-size: clamp(1.15rem, 1.6vw, 1.28rem);
  max-width: none;
  line-height: 1.7;
}

.lab-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.35rem;
  font-weight: 700;
  color: var(--mason-green);
  text-decoration: none;
}

.lab-link::after {
  content: "→";
  transition: transform 180ms ease;
}

.lab-link:hover::after {
  transform: translateX(3px);
}

/* Work */
.work-list {
  display: grid;
  gap: clamp(3rem, 6vw, 4.5rem);
}

.project {
  display: grid;
  gap: 1.5rem;
}

.project-copy h3 {
  font-size: clamp(2rem, 3.4vw, 2.65rem);
  color: var(--ink);
}

.project-kicker {
  margin-bottom: 0.55rem;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mason-gold-muted);
}

.project-copy > p {
  margin-top: 0.95rem;
  color: var(--ink-muted);
  max-width: none;
  font-size: clamp(1.12rem, 1.5vw, 1.24rem);
  line-height: 1.7;
}

.feature-list {
  display: grid;
  gap: 0.8rem;
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding-left: 1.2rem;
  color: var(--ink-muted);
  font-size: clamp(1.05rem, 1.35vw, 1.15rem);
  line-height: 1.55;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--mason-green);
}

.project-media {
  display: grid;
  gap: 1rem;
}

.media-frame {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--paper-bright);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.media-frame img {
  width: 100%;
  height: auto;
}

.media-caption {
  padding: 0.85rem 1.1rem;
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
  color: var(--ink-faint);
  background: #fbfdfb;
}

/* Contact */
.contact {
  background:
    linear-gradient(180deg, rgba(0, 102, 51, 0.94), var(--mason-green-deep)),
    var(--mason-green);
  color: #f4fff7;
}

.contact .section-head h2 {
  color: white;
}

.contact .section-head p {
  color: rgba(244, 255, 247, 0.82);
}

.contact-grid {
  display: grid;
  gap: 1.5rem;
}

.contact-item strong {
  display: block;
  font-size: 0.84rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.45rem;
  color: var(--mason-gold);
}

.contact-item a,
.contact-item p {
  color: #f4fff7;
  text-decoration: none;
  font-size: 1.18rem;
}

.contact-item a:hover {
  color: var(--mason-gold);
}

/* Footer */
.site-footer {
  padding: 1.5rem 0 2rem;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.45);
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  font-size: 0.9rem;
  color: var(--ink-faint);
}

.footer-row a {
  color: var(--mason-green);
  text-decoration: none;
  font-weight: 600;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 860px) {
  .about-layout {
    grid-template-columns: minmax(16rem, 0.9fr) minmax(0, 1.35fr);
    gap: 3rem 4rem;
  }

  .project {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
    gap: 2.5rem;
  }

  .project:nth-child(even) .project-copy {
    order: 2;
  }

  .project:nth-child(even) .project-media {
    order: 1;
  }

  .contact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem;
  }
}

@media (max-width: 720px) {
  .nav-links .nav-hide-sm {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-brand,
  .hero-lead,
  .hero-actions,
  .hero-meta,
  .btn,
  .nav-cta,
  .lab-link::after {
    animation: none !important;
    transition: none !important;
  }
}