:root {
  color-scheme: dark;
  --bg: #080b10;
  --bg-2: #101720;
  --panel: rgba(16, 23, 32, 0.82);
  --panel-strong: #121b27;
  --text: #f3f7fb;
  --muted: #aab7c6;
  --soft: #758394;
  --line: rgba(72, 99, 129, 0.42);
  --blue: #0788ff;
  --blue-2: #43d5ff;
  --charcoal: #171b20;
  --radius: 8px;
  --max: 1180px;
  --shadow: 0 26px 70px rgba(0, 0, 0, 0.38);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, rgba(67, 213, 255, 0.05) 1px, transparent 1px),
    linear-gradient(rgba(67, 213, 255, 0.04) 1px, transparent 1px),
    radial-gradient(circle at 15% 12%, rgba(7, 136, 255, 0.16), transparent 34rem),
    linear-gradient(135deg, var(--bg), #0b1118 44%, #05070b);
  background-size: 88px 88px, 88px 88px, auto, auto;
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
}

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

.skip-link {
  background: var(--blue);
  color: #00111f;
  font-weight: 800;
  left: 1rem;
  padding: 0.75rem 1rem;
  position: fixed;
  top: -5rem;
  z-index: 20;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  align-items: center;
  backdrop-filter: blur(18px);
  background: rgba(8, 11, 16, 0.78);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  left: 0;
  padding: 0.85rem clamp(1rem, 4vw, 3rem);
  position: sticky;
  right: 0;
  top: 0;
  z-index: 10;
}

.brand {
  align-items: center;
  display: inline-flex;
  gap: 0.7rem;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  background: linear-gradient(135deg, var(--blue), var(--blue-2));
  color: #02101c;
  display: grid;
  height: 2.2rem;
  place-items: center;
  width: 2.2rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(0.75rem, 2vw, 1.5rem);
}

nav a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

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

.hero,
.section,
.truth-note,
.contact,
footer {
  margin-inline: auto;
  max-width: var(--max);
  width: min(calc(100% - 2rem), var(--max));
}

.hero {
  align-items: center;
  display: grid;
  gap: clamp(2rem, 4vw, 4rem);
  grid-template-columns: minmax(0, 0.95fr) minmax(20rem, 1.05fr);
  min-height: calc(100svh - 4rem);
  padding-block: clamp(3rem, 8vw, 7rem) 2.5rem;
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.role,
.section-label {
  color: var(--blue-2);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  margin: 0 0 0.9rem;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(2.7rem, 5.7vw, 4.9rem);
  letter-spacing: 0;
  line-height: 0.98;
  margin-bottom: 1.35rem;
  max-width: 12.5ch;
}

h2 {
  font-size: clamp(2rem, 4vw, 4.35rem);
  letter-spacing: 0;
  line-height: 1;
  margin-bottom: 0;
}

h3 {
  font-size: 1.14rem;
  line-height: 1.18;
  margin-bottom: 0.65rem;
}

.lead,
.body-copy,
.skill-card p,
.gallery-item p,
.timeline p,
footer {
  color: var(--muted);
}

.lead {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  max-width: 38rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.button {
  align-items: center;
  border: 1px solid var(--line);
  display: inline-flex;
  font-size: 0.95rem;
  font-weight: 850;
  justify-content: center;
  min-height: 3rem;
  padding: 0.82rem 1.1rem;
  text-decoration: none;
}

.button:focus-visible,
.skill-card:focus-within {
  outline: 3px solid rgba(67, 213, 255, 0.55);
  outline-offset: 3px;
}

.button.primary {
  background: var(--blue);
  border-color: var(--blue);
  color: #011525;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.hero-art {
  margin: 0;
  position: relative;
}

.hero-art::before,
.hero-art::after {
  border: 1px solid rgba(67, 213, 255, 0.5);
  content: "";
  height: 34%;
  position: absolute;
  width: 38%;
  z-index: -1;
}

.hero-art::before {
  left: -1rem;
  top: -1rem;
}

.hero-art::after {
  bottom: -1rem;
  right: -1rem;
}

.hero-art img {
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(67, 213, 255, 0.34);
  box-shadow: var(--shadow);
  object-fit: cover;
  width: 100%;
}

.hero-art figcaption {
  color: var(--soft);
  font-size: 0.82rem;
  margin-top: 0.8rem;
}

.truth-note {
  align-items: start;
  background: rgba(7, 136, 255, 0.08);
  border-block: 1px solid rgba(67, 213, 255, 0.24);
  display: grid;
  gap: 1rem;
  grid-template-columns: auto 1fr;
  margin-bottom: clamp(4rem, 8vw, 7rem);
  padding: 1.1rem 0;
}

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

.node {
  background: var(--blue-2);
  box-shadow: 0 0 24px rgba(67, 213, 255, 0.6);
  height: 0.72rem;
  margin-top: 0.42rem;
  width: 0.72rem;
}

.section {
  padding-block: clamp(4rem, 9vw, 7rem);
}

.split {
  display: grid;
  gap: clamp(2rem, 7vw, 7rem);
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
}

.body-copy {
  font-size: clamp(1.02rem, 1.4vw, 1.18rem);
}

.section-heading {
  margin-bottom: clamp(2rem, 5vw, 3.2rem);
  max-width: 54rem;
}

.skill-grid,
.gallery {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.skill-card,
.gallery-item {
  background: linear-gradient(180deg, rgba(18, 27, 39, 0.88), rgba(10, 15, 22, 0.9));
  border: 1px solid var(--line);
  min-height: 17rem;
  padding: clamp(1rem, 2vw, 1.35rem);
}

.skill-card strong,
.skill-card span:not(.icon) {
  display: block;
}

.skill-card strong {
  color: var(--text);
  font-size: 0.86rem;
  margin-top: 1.3rem;
}

.skill-card span:not(.icon) {
  color: var(--soft);
  font-size: 0.92rem;
}

.icon {
  display: block;
  height: 3.1rem;
  margin-bottom: 1.4rem;
  width: 3.1rem;
}

.ai-icon {
  background:
    radial-gradient(circle at 50% 50%, var(--blue-2) 0 9%, transparent 10%),
    radial-gradient(circle at 18% 24%, var(--blue) 0 8%, transparent 9%),
    radial-gradient(circle at 79% 25%, var(--blue) 0 8%, transparent 9%),
    radial-gradient(circle at 72% 78%, var(--blue) 0 8%, transparent 9%),
    linear-gradient(45deg, transparent 47%, rgba(67, 213, 255, 0.8) 48% 52%, transparent 53%),
    linear-gradient(-28deg, transparent 47%, rgba(67, 213, 255, 0.65) 48% 52%, transparent 53%);
}

.grid-icon {
  background:
    linear-gradient(var(--blue) 0 0) 0 0 / 100% 2px,
    linear-gradient(var(--blue) 0 0) 0 50% / 100% 2px,
    linear-gradient(var(--blue) 0 0) 0 100% / 100% 2px,
    linear-gradient(90deg, var(--blue) 0 2px, transparent 2px 50%, var(--blue) 50% calc(50% + 2px), transparent calc(50% + 2px) calc(100% - 2px), var(--blue) calc(100% - 2px));
  background-repeat: no-repeat;
}

.strategy-icon {
  background:
    linear-gradient(135deg, transparent 0 48%, var(--blue-2) 49% 51%, transparent 52%),
    linear-gradient(90deg, var(--blue) 0 20%, transparent 20% 40%, var(--blue) 40% 60%, transparent 60% 80%, var(--blue) 80%);
  clip-path: polygon(0 100%, 18% 42%, 38% 66%, 57% 20%, 78% 48%, 100% 0, 100% 100%);
}

.social-icon {
  background:
    radial-gradient(circle at 20% 50%, var(--blue) 0 13%, transparent 14%),
    radial-gradient(circle at 50% 25%, var(--blue-2) 0 13%, transparent 14%),
    radial-gradient(circle at 80% 50%, var(--blue) 0 13%, transparent 14%),
    linear-gradient(25deg, transparent 45%, rgba(67, 213, 255, 0.75) 46% 52%, transparent 53%),
    linear-gradient(-25deg, transparent 45%, rgba(67, 213, 255, 0.75) 46% 52%, transparent 53%);
}

.proof-band {
  border-block: 1px solid var(--line);
}

.gallery {
  grid-template-columns: 1.25fr 0.75fr 0.75fr;
}

.gallery-item {
  min-height: 18rem;
}

.image-feature {
  display: grid;
  gap: 1rem;
  grid-row: span 2;
  padding: 0;
}

.image-feature img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  width: 100%;
}

.image-feature div {
  padding: 0 1.35rem 1.35rem;
}

.motif-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.wireframe,
.palette-strip,
.network-map {
  height: 7.5rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.wireframe {
  border: 1px solid rgba(67, 213, 255, 0.46);
  display: grid;
  gap: 0.65rem;
  grid-template-columns: 1fr 1fr;
  padding: 0.8rem;
}

.wireframe span {
  border: 1px solid rgba(7, 136, 255, 0.5);
}

.palette-strip {
  align-items: end;
  display: flex;
  gap: 0.45rem;
}

.palette-strip span {
  background: #1a212b;
  flex: 1;
}

.palette-strip span:nth-child(1) { height: 45%; }
.palette-strip span:nth-child(2) { background: #243140; height: 70%; }
.palette-strip span:nth-child(3) { background: var(--blue); height: 100%; }
.palette-strip span:nth-child(4) { background: var(--blue-2); height: 58%; }

.network-map {
  background:
    linear-gradient(32deg, transparent 49%, rgba(67, 213, 255, 0.4) 50%, transparent 51%),
    linear-gradient(-24deg, transparent 49%, rgba(7, 136, 255, 0.55) 50%, transparent 51%);
}

.network-map span {
  background: var(--blue-2);
  height: 0.72rem;
  position: absolute;
  width: 0.72rem;
}

.network-map span:nth-child(1) { left: 9%; top: 55%; }
.network-map span:nth-child(2) { left: 29%; top: 18%; }
.network-map span:nth-child(3) { left: 54%; top: 42%; }
.network-map span:nth-child(4) { left: 73%; top: 16%; }
.network-map span:nth-child(5) { left: 86%; top: 70%; }

.workflow {
  display: grid;
  gap: 2rem;
  grid-template-columns: 0.8fr 1.2fr;
}

.timeline {
  counter-reset: step;
  display: grid;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}

.timeline li {
  align-items: start;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 1rem;
  grid-template-columns: 4rem 1fr;
  padding: 1.2rem 0;
}

.timeline span {
  color: var(--blue-2);
  font-weight: 900;
}

.timeline p {
  margin: 0;
}

.contact {
  align-items: center;
  background: linear-gradient(135deg, rgba(7, 136, 255, 0.16), rgba(18, 27, 39, 0.9));
  border: 1px solid var(--line);
  display: flex;
  gap: 1.5rem;
  justify-content: space-between;
  margin-bottom: 4rem;
  padding: clamp(1.4rem, 4vw, 2.4rem);
}

.contact h2 {
  max-width: 18ch;
}

.contact-note {
  color: var(--muted);
  margin: 1rem 0 0;
}

footer {
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
  padding: 1.3rem 0 2.5rem;
}

@media (max-width: 980px) {
  .hero,
  .split,
  .workflow {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: 13ch;
  }

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

  .gallery {
    grid-template-columns: 1fr 1fr;
  }

  .image-feature {
    grid-column: 1 / -1;
  }
}

@media (max-width: 680px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    min-height: auto;
    padding-top: 2.2rem;
  }

  h1 {
    font-size: clamp(2.45rem, 12vw, 4rem);
    max-width: 10.8ch;
  }

  .skill-grid,
  .gallery {
    grid-template-columns: 1fr;
  }

  .skill-card,
  .gallery-item {
    min-height: auto;
  }

  .truth-note {
    margin-bottom: 2rem;
  }

  .contact {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}