:root {
  --color-bg: #0a1420;
  --color-bg-elevated: #10202f;
  --color-text: #f4f6f8;
  --color-text-muted: rgba(244, 246, 248, 0.66);
  --color-accent: #4fd1c5;
  --color-border: rgba(79, 209, 197, 0.16);

  --font-display: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius: 14px;
  --maxw: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

body {
  background-color: var(--color-bg);
  background-image: radial-gradient(circle at 50% -10%, rgba(79, 209, 197, 0.08), transparent 55%);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.15;
  margin: 0 0 0.6em;
}

p {
  margin: 0 0 1em;
}

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-accent);
  color: var(--color-bg);
  padding: 0.75em 1.25em;
  border-radius: 0 0 8px 0;
  font-weight: 600;
  z-index: 100;
}

.skip-link:focus {
  left: 0;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
}

/* Eyebrow / mark lockup */

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 0.5em;
}

.mark-lockup {
  display: flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
}

.mark-lockup .mark {
  display: block;
  width: 28px;
  height: 28px;
}

/* Hero */

.hero {
  padding-block: clamp(4rem, 12vw, 8rem) clamp(3rem, 8vw, 5rem);
}

.hero-headline {
  font-size: clamp(2.1rem, 6vw, 3.75rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  max-width: 16ch;
  animation: resolve-focus 1.1s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes resolve-focus {
  from {
    filter: blur(14px);
    opacity: 0;
  }
  to {
    filter: blur(0);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-headline {
    animation: none;
    filter: none;
    opacity: 1;
  }
}

.hero-sub {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-bottom: 2rem;
}

/* Buttons */

.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  padding: 0.85em 1.6em;
  border-radius: 999px;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-bg);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -10px rgba(79, 209, 197, 0.55);
}

@media (prefers-reduced-motion: reduce) {
  .btn-primary {
    transition: none;
  }
  .btn-primary:hover {
    transform: none;
  }
}

/* Sections */

section, footer.contact {
  padding-block: clamp(3rem, 8vw, 5rem);
  border-top: 1px solid var(--color-border);
}

section h2, footer.contact h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  max-width: 24ch;
}

/* Product grid */

.product-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.card:hover, .card:focus-within {
  transform: translateY(-3px);
  border-color: var(--color-accent);
  box-shadow: 0 16px 32px -18px rgba(0, 0, 0, 0.6);
}

@media (prefers-reduced-motion: reduce) {
  .card {
    transition: none;
  }
  .card:hover, .card:focus-within {
    transform: none;
  }
}

.card-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: calc(var(--radius) - 5px);
  border: 1px solid var(--color-border);
  margin-bottom: 1rem;
  overflow: hidden;
  background-image:
    radial-gradient(circle at 50% 50%, transparent 0 21%, rgba(79, 209, 197, 0.32) 21% 22.5%, transparent 22.5% 34%, rgba(79, 209, 197, 0.18) 34% 35.5%, transparent 35.5%),
    linear-gradient(160deg, #142839, var(--color-bg-elevated));
}

.card-thumb-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-thumb-photo-hover {
  opacity: 0;
  transition: opacity 0.35s ease;
}

.card:hover .card-thumb-photo-hover,
.card:focus-within .card-thumb-photo-hover {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .card-thumb-photo-hover {
    transition: none;
  }
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35em 0.75em;
  border-radius: 999px;
  margin-bottom: 1rem;
  align-self: flex-start;
}

.badge-dot {
  width: 0.5em;
  height: 0.5em;
  border-radius: 50%;
  flex-shrink: 0;
}

.badge-live {
  background: var(--color-accent);
  color: var(--color-bg);
}

.badge-live .badge-dot {
  background: var(--color-bg);
}

.badge-dev {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.badge-dev .badge-dot {
  background: var(--color-accent);
}

.badge-planned {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.badge-planned .badge-dot {
  background: var(--color-text-muted);
}

.card-title {
  font-size: 1.15rem;
  margin-bottom: 0.4em;
}

.card-pitch {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  flex-grow: 1;
}

.card-link {
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  margin-top: 0.5rem;
}

/* About */

.about p {
  max-width: 62ch;
  font-size: 1.05rem;
  color: var(--color-text-muted);
}

/* Contact / footer */

footer.contact .contact-email {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
}

.footer-line {
  margin-top: 2rem;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* 404 page */

.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.error-inner {
  text-align: center;
  padding-block: 3rem;
}

.error-inner .mark-lockup {
  justify-content: center;
}

.error-headline {
  font-size: clamp(2rem, 6vw, 3rem);
}

.error-sub {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}