:root {
  --ink: #14181c;
  --ink-soft: #3d474f;
  --paper: #eef1f4;
  --paper-deep: #dce3ea;
  --accent: #1f6b6b;
  --accent-hover: #185656;
  --hero-text: #f5f7f9;
  --hero-muted: rgba(245, 247, 249, 0.82);
  --border: rgba(20, 24, 28, 0.12);
  --header-bg: rgba(238, 241, 244, 0.82);
  --font-display: "Syne", sans-serif;
  --font-body: "Figtree", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(31, 107, 107, 0.08), transparent 55%),
    radial-gradient(900px 500px at 100% 20%, rgba(20, 24, 28, 0.06), transparent 50%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-deep) 100%);
  min-height: 100vh;
}

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

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

/* —— Header —— */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem clamp(1.25rem, 4vw, 3rem);
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  animation: fade-down 0.7s var(--ease) both;
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.03em;
}

.nav {
  display: flex;
  gap: clamp(1rem, 3vw, 2rem);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav a {
  position: relative;
  color: var(--ink-soft);
  transition: color 0.2s ease;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.2em;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--ink);
}

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

/* —— Hero —— */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--hero-text);
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  transform: scale(1.06);
  animation: ken-burns 18s var(--ease) both;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 14, 18, 0.35) 0%, rgba(10, 14, 18, 0.15) 35%, rgba(10, 14, 18, 0.72) 100%),
    linear-gradient(90deg, rgba(10, 14, 18, 0.45) 0%, transparent 55%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: clamp(5.5rem, 12vh, 8rem) clamp(1.25rem, 4vw, 3rem) clamp(2.5rem, 6vh, 4rem);
  max-width: 40rem;
}

.brand {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.75rem, 8vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.045em;
  animation: rise 0.9s var(--ease) 0.1s both;
}

.hero h1 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 3.2vw, 1.85rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
  max-width: 18ch;
  animation: rise 0.9s var(--ease) 0.22s both;
}

.lede {
  margin: 0 0 1.75rem;
  color: var(--hero-muted);
  font-size: 1.05rem;
  max-width: 34ch;
  animation: rise 0.9s var(--ease) 0.34s both;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  animation: rise 0.9s var(--ease) 0.46s both;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.35rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 2px;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.cta-primary {
  background: var(--accent);
  color: #f7fbfb;
}

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

.cta-secondary {
  border: 1px solid rgba(245, 247, 249, 0.45);
  color: var(--hero-text);
  background: transparent;
}

.cta-secondary:hover,
.cta-secondary:focus-visible {
  border-color: rgba(245, 247, 249, 0.85);
  background: rgba(245, 247, 249, 0.08);
}

/* —— Bio —— */
.bio {
  padding: clamp(4rem, 10vh, 6.5rem) clamp(1.25rem, 4vw, 3rem);
}

.bio-inner {
  max-width: 38rem;
}

.bio h2,
.stub h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  letter-spacing: -0.03em;
}

.bio p {
  margin: 0 0 1.1rem;
  color: var(--ink-soft);
}

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

.bio .name {
  color: var(--ink);
  font-weight: 600;
}

/* —— Stub sections (nav targets) —— */
.stub {
  padding: 0 clamp(1.25rem, 4vw, 3rem) clamp(3.5rem, 8vh, 5rem);
}

.stub-inner {
  max-width: 38rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.stub p {
  margin: 0;
  color: var(--ink-soft);
}

/* —— Inner pages —— */
.page {
  padding: clamp(6rem, 14vh, 8rem) clamp(1.25rem, 4vw, 3rem) clamp(3rem, 8vh, 5rem);
  max-width: 40rem;
  animation: rise 0.8s var(--ease) both;
}

.page-intro h1 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  letter-spacing: -0.04em;
  line-height: 1;
}

.page-intro p {
  margin: 0 0 2.5rem;
  color: var(--ink-soft);
  max-width: 34ch;
}

.app-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.app-list li + li {
  margin-top: 0.75rem;
}

.app-link {
  display: block;
  padding: 1.25rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: color 0.2s ease;
}

.app-link:hover .app-name,
.app-link:focus-visible .app-name {
  color: var(--accent);
}

.app-name {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
  transition: color 0.2s ease;
}

.app-desc {
  display: block;
  color: var(--ink-soft);
  font-size: 0.98rem;
  max-width: 36ch;
}

.nav a[aria-current="page"] {
  color: var(--ink);
}

.nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

/* —— Footer —— */
.site-footer {
  padding: 1.5rem clamp(1.25rem, 4vw, 3rem) 2.5rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

/* —— Motion —— */
@keyframes fade-down {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes ken-burns {
  from {
    transform: scale(1.06);
  }
  to {
    transform: scale(1);
  }
}

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

  .site-header,
  .brand,
  .hero h1,
  .lede,
  .cta-row,
  .hero-media img {
    animation: none;
  }

  .hero-media img {
    transform: none;
  }
}

@media (max-width: 560px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.65rem;
    padding-block: 0.85rem;
  }

  .nav {
    gap: 1.25rem;
    width: 100%;
  }
}