/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Jura:wght@400;500;600&family=Tektur:wght@400;500;600;700&display=swap');

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* Variables */
:root {
  --bg:             #09090f;
  --surface:        #11111a;
  --surface-2:      #17172a;
  --border:         #1e1e30;
  --border-hover:   #2e2e50;
  --blue-dim:       #1a3a5c;
  --blue-mid:       #2a6aad;
  --blue-bright:    #4da6ff;
  --blue-light:     #7ec8ff;
  --blue-glow:      rgba(77, 166, 255, 0.12);
  --accent-purple:  #a78bfa;
  --accent-green:   #34d399;
  --text:           #dde8f5;
  --text-muted:     #7a8a9a;
  --text-dim:       #4a5a6a;
  --radius:         12px;
  --radius-sm:      8px;
  --nav-height:     60px;
}

/* Base */
body {
  background-color: var(--bg);
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 30px 30px;
  color: var(--text);
  font-family: 'Jura', 'Segoe UI', system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  opacity: 0;
  transition: opacity 0.32s ease, background-color 0.7s ease;
}

body.page-loaded {
  opacity: 1;
}

h1, h2, h3 {
  font-family: 'Tektur', 'Segoe UI', system-ui, sans-serif;
  text-transform: uppercase;
  line-height: 1.2;
}

/* ─── Nav ─────────────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 3rem;
  height: var(--nav-height);
  background: rgba(9, 9, 15, 0.8);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-name {
  font-family: 'Tektur', system-ui, sans-serif;
  text-transform: uppercase;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--blue-bright);
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: color 0.2s;
  user-select: none;
}

.nav-name:hover {
  color: var(--blue-light);
}

.nav-links {
  display: flex;
  gap: 2.25rem;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--blue-bright);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--blue-bright);
}

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

/* ─── Hero eyebrow ────────────────────────────────────────────── */
.hero-eyebrow {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue-mid);
  animation: fadeUp 0.4s ease both;
}

/* ─── Hero ────────────────────────────────────────────────────── */
.hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 11rem 2rem 13rem;
  gap: 1.5rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% 30%, rgba(77, 166, 255, 0.07) 0%, transparent 70%);
  pointer-events: none;
  animation: heroDrift 16s ease-in-out infinite;
}

.hero h1 {
  font-size: clamp(3.8rem, 8vw, 6.5rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--blue-light) 0%, var(--blue-bright) 50%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.06em;
}

.tagline {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 480px;
  line-height: 1.7;
}

.cta-links {
  display: flex;
  gap: 0.85rem;
  margin-top: 0.75rem;
}

/* ─── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-sm);
  font-family: 'Jura', system-ui, sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  background: var(--blue-mid);
  color: #fff;
  border: 1px solid var(--blue-mid);
}

.btn:hover {
  background: var(--blue-bright);
  border-color: var(--blue-bright);
  box-shadow: 0 0 20px rgba(77, 166, 255, 0.25);
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background: var(--surface);
  color: var(--text);
  border-color: var(--blue-mid);
  box-shadow: none;
}

.btn-outline {
  background: transparent;
  color: var(--blue-bright);
  border: 1px solid var(--blue-dim);
}

.btn-outline:hover {
  background: var(--blue-dim);
  border-color: var(--blue-mid);
  box-shadow: none;
}

/* ─── Page layout ─────────────────────────────────────────────── */
.page {
  flex: 1;
  padding: 5rem 4rem;
  max-width: 1380px;
  margin: 0 auto;
  width: 100%;
}

.page > h1 {
  font-size: 3rem;
  font-weight: 700;
  color: var(--blue-bright);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.subtitle {
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  font-size: 0.95rem;
}

/* ─── Project grid ────────────────────────────────────────────── */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.75rem;
  margin-top: 2.5rem;
}

/* ─── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  position: relative;
  z-index: 1;
  transition: border-color 0.4s ease, box-shadow 0.4s ease, transform 0.4s ease;
}

.card:hover {
  border-color: var(--blue-mid);
  box-shadow: 0 0 0 1px var(--blue-dim), 0 16px 60px rgba(77, 166, 255, 0.18), 0 0 100px rgba(77, 166, 255, 0.05);
  transform: translateY(-7px);
}

.card-tag {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--blue-mid);
  font-weight: 600;
}

.card h2 {
  font-family: 'Tektur', system-ui, sans-serif;
  text-transform: uppercase;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.04em;
}

.card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
  flex: 1;
}

/* ─── Status badges ───────────────────────────────────────────── */
.status {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.25rem 0.7rem;
  border-radius: 20px;
  width: fit-content;
  margin-top: 0.25rem;
  letter-spacing: 0.04em;
}

.in-progress {
  background: rgba(42, 106, 173, 0.18);
  color: var(--blue-bright);
  border: 1px solid var(--blue-dim);
}

.coming-soon {
  background: rgba(26, 58, 92, 0.25);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.complete {
  background: rgba(52, 211, 153, 0.12);
  color: #34d399;
  border: 1px solid rgba(52, 211, 153, 0.25);
}

/* ─── Tech tags ───────────────────────────────────────────────── */
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 2.5rem 0;
}

.tech-tag {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  background: rgba(42, 106, 173, 0.12);
  color: var(--blue-light);
  border: 1px solid var(--blue-dim);
  transition: background 0.2s, border-color 0.2s;
}

.tech-tag:hover {
  background: rgba(42, 106, 173, 0.22);
  border-color: var(--blue-mid);
}

/* ─── Roadmap ─────────────────────────────────────────────────── */
.roadmap {
  list-style: none;
  margin-top: 0.5rem;
  position: relative;
  padding-left: 1.5rem;
}

.roadmap::before {
  content: '';
  position: absolute;
  left: 0.45rem;
  top: 0.6rem;
  bottom: 0.6rem;
  width: 2px;
  background: var(--border);
}

.roadmap li {
  position: relative;
  padding: 0.45rem 0 0.45rem 1.25rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.roadmap li::before {
  content: '';
  position: absolute;
  left: -1.1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--bg);
  transition: border-color 0.2s;
}

.roadmap li.done {
  color: var(--text);
}

.roadmap li.done::before {
  background: var(--blue-mid);
  border-color: var(--blue-mid);
}

.roadmap li.done::after {
  content: '';
  position: absolute;
  left: -0.825rem;
  top: 50%;
  transform: translateY(-60%) rotate(45deg);
  width: 0.3rem;
  height: 0.5rem;
  border-right: 2px solid #fff;
  border-bottom: 2px solid #fff;
}

.roadmap li.active {
  color: var(--blue-bright);
  font-weight: 500;
}

.roadmap li.active::before {
  border-color: var(--blue-bright);
  background: var(--blue-dim);
  box-shadow: 0 0 8px rgba(77, 166, 255, 0.4);
}

/* ─── Section title ───────────────────────────────────────────── */
.section-title {
  font-family: 'Jura', system-ui, sans-serif;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  font-weight: 600;
  margin: 2.25rem 0 1rem;
}

/* ─── Back link ───────────────────────────────────────────────── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 2.25rem;
  transition: color 0.2s;
}

.back-link:hover {
  color: var(--blue-bright);
}

/* ─── Project detail ──────────────────────────────────────────── */
.project-header {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 2rem;
}

.project-header h1 {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.05em;
}

.project-body {
  max-width: 720px;
  color: var(--text-muted);
  line-height: 1.8;
  font-size: 1rem;
}

.project-body p + p {
  margin-top: 1rem;
}

.page > .btn {
  margin-top: 2rem;
}

/* ─── Home sections ───────────────────────────────────────────── */
.home-section {
  padding: 7rem 0;
  border-top: 1px solid var(--border);
}

.home-section-inner {
  max-width: 1380px;
  margin: 0 auto;
  width: 100%;
  padding: 0 4rem;
}

.section-heading {
  font-family: 'Tektur', system-ui, sans-serif;
  text-transform: uppercase;
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.06em;
  margin-bottom: 2.25rem;
}

.section-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.75rem;
}

.section-header-row .section-heading {
  margin-bottom: 0;
}

.section-link {
  font-size: 0.875rem;
  color: var(--blue-bright);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.section-link:hover {
  color: var(--blue-light);
}

/* ─── Feature cards ───────────────────────────────────────────── */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.75rem;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  border-top: 2px solid transparent;
  position: relative;
  z-index: 1;
  transition: border-color 0.4s, box-shadow 0.4s, transform 0.4s;
}

.feature-card:hover {
  box-shadow: 0 16px 60px rgba(77, 166, 255, 0.1);
  transform: translateY(-5px);
}

.feature-card.hardware { border-top-color: var(--blue-bright); }
.feature-card.software { border-top-color: var(--accent-purple); }
.feature-card.gamedev  { border-top-color: var(--accent-green); }

.feature-card h3 {
  font-family: 'Tektur', system-ui, sans-serif;
  text-transform: uppercase;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.04em;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ─── PCB background ──────────────────────────────────────────── */
#pcb-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-size: 800px 600px;
}

/* ─── Cursor glow ─────────────────────────────────────────────── */
#cursor-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 450px;
  height: 450px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(77, 166, 255, 0.14) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  will-change: transform;
  transition: opacity 0.5s ease;
}

@media (hover: none) {
  #cursor-glow { display: none; }
}

/* ─── Nav scroll tint ────────────────────────────────────────── */
nav.nav-scrolled {
  background: rgba(9, 9, 15, 0.97);
  border-bottom-color: var(--border-hover);
}

/* ─── Scroll reveal ───────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Entrance animations ─────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes heroDrift {
  0%,  100% { transform: scale(1)    translate(0,   0);   opacity: 1;    }
  35%        { transform: scale(1.1)  translate(3%,  -4%); opacity: 0.85; }
  70%        { transform: scale(0.96) translate(-2%, 3%);  opacity: 0.9;  }
}

.hero h1      { animation: fadeUp 0.55s ease both; }
.hero .tagline{ animation: fadeUp 0.55s 0.1s ease both; }
.hero .cta-links { animation: fadeUp 0.55s 0.2s ease both; }



/* ─── Quote Request Section ───────────────────────────────────── */
.qr-layout {
  display: grid;
  grid-template-columns: 1fr 400px 1fr;
  gap: 48px;
  align-items: start;
}

.qr-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}

.qr-card-title {
  font-family: 'Tektur', system-ui, sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text);
  margin-bottom: 0.3rem;
}

.qr-card-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.55;
}

.qr-group { margin-bottom: 1rem; }

.qr-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.qr-input {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: 'Jura', system-ui, sans-serif;
  font-size: 0.875rem;
  padding: 0.6rem 0.75rem;
  outline: none;
  transition: border-color 0.15s;
}
.qr-input:focus { border-color: var(--blue-mid); }
.qr-textarea { resize: vertical; }

.qr-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.qr-types {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.qr-type-btn {
  display: inline-flex;
  align-items: center;
  padding: 5px 13px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  cursor: pointer;
  font-family: 'Jura', system-ui, sans-serif;
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  user-select: none;
}
.qr-type-btn input[type="radio"] { display: none; }
.qr-type-btn:has(input:checked) {
  background: var(--blue-dim);
  border-color: var(--blue-mid);
  color: var(--blue-bright);
}
.qr-type-btn:hover { border-color: var(--border-hover); color: var(--text); }

.qr-error {
  color: #f87171;
  font-size: 0.82rem;
  margin-bottom: 0.75rem;
  display: none;
  line-height: 1.5;
}
.qr-error.visible { display: block; }

.qr-submit {
  width: 100%;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

.qr-login-hint {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 1rem;
}
.qr-login-hint a { color: var(--blue-bright); text-decoration: none; }
.qr-login-hint a:hover { text-decoration: underline; }

.qr-success {
  text-align: center;
  padding: 2rem 1rem;
  display: none;
}
.qr-success.visible { display: block; }
.qr-success-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.qr-success h3 {
  font-family: 'Tektur', system-ui, sans-serif;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #34d399;
  margin-bottom: 0.5rem;
}
.qr-success p { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1.25rem; }

/* Side columns */
.qr-side { padding: 0.5rem 0; }

.qr-side-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--blue-bright);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.qr-steps {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  counter-reset: steps;
}
.qr-steps li {
  counter-increment: steps;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.qr-steps li::before {
  content: counter(steps);
  font-family: 'Tektur', system-ui, sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--blue-bright);
  background: var(--blue-dim);
  border: 1px solid rgba(77,166,255,0.2);
  border-radius: 50%;
  min-width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.qr-steps li strong {
  display: block;
  font-size: 0.875rem;
  color: var(--text);
  margin-bottom: 0.2rem;
}
.qr-steps li p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.qr-features {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.qr-features li {
  padding-left: 1rem;
  border-left: 2px solid var(--border-hover);
}
.qr-features li strong {
  display: block;
  font-size: 0.875rem;
  color: var(--text);
  margin-bottom: 0.2rem;
}
.qr-features li p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

@media (max-width: 1080px) {
  .qr-layout { grid-template-columns: 1fr 360px 1fr; gap: 32px; }
}

@media (max-width: 860px) {
  .qr-layout { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .qr-side-left { order: 2; }
  .qr-center    { order: 1; }
  .qr-side-right { order: 3; }
}

/* ─── Footer ──────────────────────────────────────────────────── */
footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--text-dim);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
}

/* ─── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  nav {
    padding: 0 1.25rem;
  }

  .nav-links {
    gap: 1.25rem;
  }

  .page {
    padding: 3.5rem 1.5rem;
  }

  .hero {
    padding: 8rem 1.5rem 9rem;
  }

  .home-section {
    padding: 5rem 0;
  }

  .home-section-inner {
    padding: 0 1.5rem;
  }

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

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

  .section-header-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .section-heading {
    font-size: 1.5rem;
  }

  .project-header h1 {
    font-size: 2.25rem;
  }

  .page > h1 {
    font-size: 2.25rem;
  }
}

@media (max-width: 480px) {
  .nav-links {
    gap: 0.9rem;
    font-size: 0.82rem;
  }

  .cta-links {
    flex-direction: column;
    width: 100%;
    max-width: 220px;
  }

  .btn {
    justify-content: center;
  }
}