:root {
  --ink: #0c1016;
  --ink-soft: #151b24;
  --fog: rgba(232, 236, 242, 0.78);
  --paper: #e8ecf2;
  --paper-dim: #a8b0bd;
  --amber: #f0a35a;
  --amber-hot: #ffc078;
  --cyan: #3ec8c8;
  --cyan-soft: rgba(62, 200, 200, 0.35);
  --line: rgba(232, 236, 242, 0.12);
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "Instrument Sans", system-ui, sans-serif;
  --max: 68rem;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--paper);
  background: var(--ink);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

a:hover {
  color: var(--amber-hot);
}

/* Atmosphere */
.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background:
    radial-gradient(120% 80% at 50% -10%, #1a2433 0%, transparent 55%),
    linear-gradient(180deg, #0e131c 0%, var(--ink) 45%, #080b10 100%);
}

.wash {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  animation: drift 18s ease-in-out infinite alternate;
}

.wash-amber {
  width: min(70vw, 42rem);
  height: min(70vw, 42rem);
  top: -12%;
  left: -8%;
  background: radial-gradient(circle, rgba(240, 163, 90, 0.45), transparent 68%);
}

.wash-cyan {
  width: min(65vw, 38rem);
  height: min(65vw, 38rem);
  top: 8%;
  right: -12%;
  background: radial-gradient(circle, rgba(62, 200, 200, 0.38), transparent 70%);
  animation-delay: -6s;
  animation-duration: 22s;
}

.grid-floor {
  position: absolute;
  inset: 45% -10% -20%;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  transform: perspective(500px) rotateX(58deg);
  mask-image: linear-gradient(to bottom, transparent, black 30%, transparent 85%);
  opacity: 0.55;
  animation: grid-pulse 10s ease-in-out infinite alternate;
}

.noise {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
}

@keyframes drift {
  from {
    transform: translate(0, 0) scale(1);
  }
  to {
    transform: translate(4%, 6%) scale(1.08);
  }
}

@keyframes grid-pulse {
  from {
    opacity: 0.35;
  }
  to {
    opacity: 0.65;
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(1.25rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.25rem var(--gutter);
}

.brand-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.nav {
  display: flex;
  gap: 1.5rem;
}

.nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--fog);
  text-decoration: none;
}

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

/* Hero */
.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4.5rem, 14vh, 8rem) var(--gutter) clamp(5rem, 12vh, 7rem);
  min-height: calc(100svh - 4.5rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.brand-hero {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 8vw, 5.5rem);
  line-height: 1;
  letter-spacing: -0.03em;
  background: linear-gradient(115deg, var(--paper) 20%, var(--amber-hot) 55%, var(--cyan) 95%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: rise 0.9s ease-out both;
}

.lede {
  margin: 1.15rem 0 0;
  max-width: 40ch;
  color: var(--fog);
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  animation: rise 0.9s ease-out 0.12s both;
}

.about-lede {
  max-width: 46ch;
  animation-delay: 0.22s;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
  animation: rise 0.9s ease-out 0.32s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.35rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 0.35rem;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease,
    border-color 160ms ease;
}

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

.btn-primary {
  background: var(--amber);
  color: #1a1208;
  border: 1px solid transparent;
}

.btn-primary:hover {
  background: var(--amber-hot);
  color: #1a1208;
}

.btn-ghost {
  border: 1px solid var(--line);
  background: rgba(12, 16, 22, 0.35);
  color: var(--paper);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  border-color: var(--cyan-soft);
  color: var(--paper);
}

/* Sections */
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(3.5rem, 8vh, 5.5rem) var(--gutter);
}

.section-head {
  margin-bottom: 2.25rem;
  max-width: 36rem;
}

.section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  letter-spacing: -0.02em;
}

.section-head p {
  margin: 0.5rem 0 0;
  color: var(--paper-dim);
}

/* Projects — list, not card grid */
.project-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.project {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem 2rem;
  align-items: end;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
  transition: background 180ms ease;
}

.project:hover {
  background: linear-gradient(
    90deg,
    rgba(62, 200, 200, 0.06),
    transparent 70%
  );
}

.tag {
  display: inline-block;
  margin-bottom: 0.55rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
}

.project h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 2.2vw, 1.55rem);
  letter-spacing: -0.015em;
}

.project p {
  margin: 0.65rem 0 0;
  max-width: 48ch;
  color: var(--fog);
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  padding-bottom: 0.15rem;
}

.project-links a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 160ms ease, color 160ms ease;
}

.project-links a:hover {
  color: var(--amber-hot);
  border-bottom-color: currentColor;
}

/* Footer */
.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem var(--gutter) 2.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: var(--paper-dim);
  font-size: 0.9rem;
}

.site-footer a {
  color: var(--paper-dim);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--paper);
}

@media (max-width: 720px) {
  .project {
    grid-template-columns: 1fr;
    gap: 1rem;
    align-items: start;
  }

  .hero {
    min-height: auto;
    padding-top: clamp(3rem, 10vh, 5rem);
  }
}

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

  .wash,
  .grid-floor,
  .brand-hero,
  .lede,
  .cta-row {
    animation: none;
  }
}