:root {
  --bg: #f7f4ec;
  --bg-secondary: #efe6d6;
  --panel: rgba(255, 255, 255, 0.8);
  --text: #1f252b;
  --muted: #4e5a64;
  --accent: #d65a31;
  --accent-strong: #bc3f17;
  --line: rgba(31, 37, 43, 0.12);
  --shadow: 0 10px 28px rgba(25, 25, 20, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Space Grotesk", sans-serif;
  background: linear-gradient(180deg, var(--bg) 0%, #fdfaf2 45%, #f4efe3 100%);
  color: var(--text);
  line-height: 1.55;
}

.ambient-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

.ambient-bg::before,
.ambient-bg::after {
  content: "";
  position: absolute;
  inset: 0;
}

.ambient-bg::before {
  background:
    radial-gradient(circle at 85% 10%, rgba(65, 173, 160, 0.22), transparent 35%),
    radial-gradient(circle at 12% 25%, rgba(240, 167, 63, 0.24), transparent 38%),
    linear-gradient(120deg, transparent 0%, rgba(31, 37, 43, 0.05) 100%);
}

.ambient-bg::after {
  opacity: 0.6;
  background-image:
    linear-gradient(rgba(33, 95, 89, 0.11) 1px, transparent 1px),
    linear-gradient(90deg, rgba(33, 95, 89, 0.11) 1px, transparent 1px),
    radial-gradient(circle at 20% 30%, rgba(188, 63, 23, 0.22) 0 2px, transparent 2px),
    radial-gradient(circle at 70% 60%, rgba(188, 63, 23, 0.2) 0 2px, transparent 2px),
    radial-gradient(circle at 40% 80%, rgba(188, 63, 23, 0.18) 0 2px, transparent 2px),
    linear-gradient(110deg, transparent 20%, rgba(33, 95, 89, 0.12) 20% 22%, transparent 22%),
    linear-gradient(18deg, transparent 58%, rgba(33, 95, 89, 0.11) 58% 60%, transparent 60%);
  background-size:
    42px 42px,
    42px 42px,
    220px 220px,
    260px 260px,
    240px 240px,
    100% 100%,
    100% 100%;
  background-position:
    0 0,
    0 0,
    0 0,
    40px 40px,
    -30px 25px,
    0 0,
    0 0;
  mix-blend-mode: multiply;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem clamp(1rem, 3vw, 3rem);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
  background: rgba(247, 244, 236, 0.8);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.brand-mark {
  font-family: "IBM Plex Mono", monospace;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.28rem 0.45rem;
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  background: rgba(255, 255, 255, 0.65);
}

.brand-text {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 1rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text);
  padding: 0.35rem 0.6rem;
  border-radius: 0.4rem;
  transition: background-color 0.2s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  background-color: rgba(31, 37, 43, 0.08);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  padding: 0.45rem 0.75rem;
  background: #fff;
  font: inherit;
}

main {
  width: min(1120px, 100% - 2rem);
  margin: 0 auto;
  padding: 2.2rem 0 4rem;
}

.hero {
  padding: clamp(0.5rem, 1.8vw, 1.1rem) 0 clamp(2rem, 5vw, 5rem);
}

.eyebrow {
  font-family: "IBM Plex Mono", monospace;
  color: var(--accent-strong);
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0;
}

h1 {
  font-size: clamp(2rem, 5vw, 4.2rem);
  letter-spacing: -0.02em;
  line-height: 1.06;
  max-width: 15ch;
  margin: 0.5rem 0 1rem;
}

.hero-copy {
  max-width: 58ch;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-block;
  padding: 0.72rem 1rem;
  border-radius: 0.55rem;
  text-decoration: none;
  font-weight: 500;
  border: 1px solid transparent;
}

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

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--accent-strong);
}

.btn-ghost {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.55);
}

.panel {
  background: var(--panel);
  border: 1px solid rgba(31, 37, 43, 0.08);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  padding: clamp(1.3rem, 3vw, 2rem);
  margin-top: 1.3rem;
}

h2 {
  margin-top: 0;
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
}

h3 {
  margin-bottom: 0.55rem;
}

.grid {
  display: grid;
  gap: 1rem;
}

.three-col {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.card,
.project-card {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.85);
  border-radius: 0.85rem;
  padding: 1rem;
}

.project-tag {
  margin: 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-strong);
}

.process-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.process-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 0.95rem;
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  background: rgba(255, 255, 255, 0.65);
}

.process-list span {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.9rem;
  color: var(--accent-strong);
}

.contact {
  text-align: center;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.2rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .three-col,
  .two-col {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: inline-block;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 0.45rem);
    right: 1rem;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 0.8rem;
    box-shadow: var(--shadow);
    width: min(220px, calc(100vw - 2rem));
    padding: 0.45rem;
    transform: scale(0.96);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .nav-links.open {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
  }

  .hero-actions {
    flex-direction: column;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}