:root {
  --font-display: "Syne", sans-serif;
  --font-body: "DM Sans", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --radius: 0;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 4.25rem;
}

html[data-theme="light"] {
  --bg: #eef3f9;
  --bg-elevated: #f7faff;
  --ink: #0b1526;
  --muted: #4a5b73;
  --line: rgba(11, 21, 38, 0.12);
  --accent: #1f5fe0;
  --accent-soft: rgba(31, 95, 224, 0.12);
  --hero-veil: linear-gradient(
    180deg,
    transparent 0%,
    transparent 48%,
    rgba(238, 243, 249, 0.35) 68%,
    rgba(238, 243, 249, 0.92) 86%,
    rgba(238, 243, 249, 1) 100%
  );
  --shadow: 0 24px 60px rgba(11, 21, 38, 0.08);
}

html[data-theme="dark"] {
  --bg: #070b14;
  --bg-elevated: #101826;
  --ink: #e8eef8;
  --muted: #93a4bd;
  --line: rgba(232, 238, 248, 0.12);
  --accent: #5b8cff;
  --accent-soft: rgba(91, 140, 255, 0.16);
  --hero-veil: linear-gradient(
    180deg,
    transparent 0%,
    transparent 48%,
    rgba(7, 11, 20, 0.4) 70%,
    rgba(7, 11, 20, 0.92) 88%,
    rgba(7, 11, 20, 1) 100%
  );
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  min-height: 100vh;
  max-width: 100%;
  overflow-x: clip;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 80% -10%, var(--accent-soft), transparent 55%),
    var(--bg);
  line-height: 1.55;
  transition: background-color 0.35s var(--ease), color 0.35s var(--ease);
}

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

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

.shell {
  width: min(1120px, calc(100% - 2.5rem));
  max-width: 100%;
  margin-inline: auto;
  min-width: 0;
  box-sizing: border-box;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
  z-index: 100;
  background: var(--bg-elevated);
  padding: 0.5rem 0.75rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 84%, transparent);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.brand img {
  width: 2.25rem;
  height: 2.25rem;
  object-fit: contain;
}

.brand--footer {
  margin-bottom: 0.55rem;
}

.brand--footer img {
  width: 2rem;
  height: 2rem;
}

.nav {
  display: none;
  gap: 1.15rem;
  margin-left: 1rem;
}

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

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

.header-tools {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header-tools .btn-small {
  display: none;
}

.theme-switch {
  display: inline-flex;
  border: 1px solid var(--line);
  background: var(--bg-elevated);
}

.theme-switch button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.45rem 0.55rem;
  cursor: pointer;
}

.theme-switch button[aria-pressed="true"] {
  color: var(--ink);
  background: var(--accent-soft);
}

.lang-switch {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-decoration: none;
  border: 1px solid var(--line);
  padding: 0.42rem 0.55rem;
}

.btn,
button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  font: 600 0.95rem/1 var(--font-body);
  padding: 0.9rem 1.2rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease);
}

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

.btn-ghost {
  background: transparent;
  color: var(--ink);
}

.btn-small {
  padding: 0.55rem 0.8rem;
  font-size: 0.85rem;
}

.nav-toggle {
  margin-left: 0.35rem;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line);
  background: transparent;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.55rem;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 1px;
  background: var(--ink);
}

.mobile-nav {
  display: none;
  gap: 0.25rem;
  padding: 0.5rem 1.25rem 1.25rem;
  border-bottom: 1px solid var(--line);
}

.mobile-nav.is-open,
.mobile-nav:not([hidden]) {
  display: grid;
}

.mobile-nav[hidden] {
  display: none !important;
}

.mobile-nav a {
  text-decoration: none;
  padding: 0.7rem 0.2rem;
  color: var(--muted);
}

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

.mobile-nav__tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  margin-top: 0.85rem;
  padding-top: 0.95rem;
  border-top: 1px solid var(--line);
}

.hero {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  display: grid;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
  min-width: 0;
  max-width: 100%;
}

.hero__media {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: #020b29;
}

.hero__media canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.hero__veil {
  position: absolute;
  inset: 0;
  background: var(--hero-veil);
  pointer-events: none;
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  min-width: 0;
  max-width: 100%;
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(3.5rem, 8vw, 5.5rem);
  animation: rise 0.9s var(--ease) both;
  container-type: inline-size;
  container-name: hero;
}

.hero__brand {
  font-family: var(--font-display);
  font-weight: 800;
  /* Syne ExtraBold caps are ~0.95em wide; keep headroom for letter-spacing. */
  font-size: clamp(1.45rem, min(9.5vw, calc(100cqi / 8.4)), 5.5rem);
  letter-spacing: 0.01em;
  line-height: 0.92;
  margin: 0 0 0.85rem;
  color: var(--ink);
  white-space: nowrap;
  max-width: 100%;
  overflow: hidden;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.85rem;
}

.hero h1,
.page-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.55rem, 4.4vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: min(18ch, 100%);
  margin: 0 0 1rem;
  overflow-wrap: break-word;
}

.lead {
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.08rem;
  margin: 0 0 1.75rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.section {
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}

.section-head {
  display: grid;
  gap: 0.65rem;
  margin-bottom: 2rem;
  max-width: 40rem;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  letter-spacing: -0.03em;
  margin: 0;
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

.pillars {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.pillar {
  background: var(--bg);
  padding: 1.4rem 1.25rem;
}

.pillar .code {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.8rem;
}

.pillar h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0.45rem 0 0.55rem;
}

.pillar p {
  margin: 0;
  color: var(--muted);
}

.work-list {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.work-item {
  background: var(--bg-elevated);
  padding: 1.4rem 1.25rem;
  display: grid;
  gap: 0.55rem;
  text-decoration: none;
  transition: background 0.25s var(--ease);
}

.work-item:hover {
  background: color-mix(in srgb, var(--accent-soft) 55%, var(--bg-elevated));
}

.work-item .tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
}

.work-item h3 {
  font-family: var(--font-display);
  margin: 0;
  font-size: 1.35rem;
}

.work-item p {
  margin: 0;
  color: var(--muted);
}

.page-hero {
  padding: clamp(3rem, 7vw, 5rem) 0 1.5rem;
}

.facts {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 2rem;
}

.fact {
  background: var(--bg-elevated);
  padding: 1rem 1.15rem;
}

.fact dt {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  margin: 0 0 0.35rem;
}

.fact dd {
  margin: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.fact__value {
  flex: 1;
  min-width: 0;
}

.fact__copy {
  flex-shrink: 0;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.35rem 0.5rem;
  cursor: pointer;
}

.fact__copy:hover,
.fact__copy.is-copied {
  color: var(--ink);
  border-color: var(--ink);
}

.services-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service {
  background: var(--bg);
  padding: 1.35rem 1.2rem;
}

.service h3 {
  font-family: var(--font-display);
  margin: 0 0 0.5rem;
}

.service p {
  margin: 0;
  color: var(--muted);
}

.contact-grid {
  display: grid;
  gap: 2rem;
}

.contact-form {
  display: grid;
  gap: 0.9rem;
  max-width: 36rem;
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.92rem;
}

.contact-form input,
.contact-form textarea {
  font: inherit;
  color: var(--ink);
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  padding: 0.8rem 0.85rem;
  width: 100%;
}

.contact-form textarea {
  min-height: 9rem;
  resize: vertical;
}

.hp {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
  overflow: hidden;
}

.form-status {
  min-height: 1.4rem;
  font-size: 0.95rem;
}

.form-status[data-state="ok"] {
  color: var(--accent);
}

.form-status[data-state="err"] {
  color: #d64545;
}

.direct-contact {
  color: var(--muted);
}

.direct-contact a {
  color: var(--ink);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 3rem;
  margin-top: 2rem;
}

.footer-inner {
  display: grid;
  gap: 1.5rem;
}

.footer-inner p {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-meta {
  font-size: 0.88rem;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (min-width: 1100px) {
  .facts {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 420px) {
  .brand span {
    display: none;
  }
}

@media (min-width: 860px) {
  .nav {
    display: flex;
  }

  .header-tools .btn-small {
    display: inline-flex;
  }

  .nav-toggle,
  .mobile-nav {
    display: none !important;
  }

  .pillars,
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .work-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .facts {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: start;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    align-items: end;
  }
}