/* ===== DESIGN TOKENS ===== */
:root {
  --bg:           #07111f;
  --bg-surface:   #0c1c30;
  --bg-card:      #111f35;
  --bg-card-hover:#172843;
  --border:       #1d3550;
  --border-light: #254669;

  --text-primary:   #dce8f4;
  --text-secondary: #7fa0bf;
  --text-muted:     #3f6080;

  --accent:         #38bdf8;
  --accent-hover:   #7dd3fc;
  --accent-warm:    #fbbf24;
  --accent-warm-hover: #fcd34d;
  --accent-green:   #34d399;

  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

  --radius:    6px;
  --radius-lg: 12px;
  --radius-xl: 20px;

  --shadow:    0 2px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);

  --transition: 200ms ease;
  --max-width:  1160px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.65;
  font-size: 1rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }

/* ===== LAYOUT ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

main { flex: 1; }

section { padding: 5rem 0; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }

p { color: var(--text-secondary); }
p + p { margin-top: 1rem; }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  margin-bottom: 1rem;
}

.section-intro {
  font-size: 1.1rem;
  max-width: 680px;
  margin-bottom: 3rem;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--bg);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(56,189,248,0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--border-light);
}
.btn-secondary:hover {
  border-color: var(--accent);
  background: rgba(56,189,248,0.08);
  color: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-warm {
  background: var(--accent-warm);
  color: var(--bg);
}
.btn-warm:hover {
  background: var(--accent-warm-hover);
  color: var(--bg);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(251,191,36,0.3);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}

/* ===== NAV ===== */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7,17,31,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  flex-direction: column;
  gap: 0;
  text-decoration: none;
}

.nav-logo-name {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.nav-logo-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  border-bottom-color: var(--accent);
}

.nav-cta {
  margin-left: 1rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition);
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
    padding: 1rem 0;
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    padding: 0.75rem 1.5rem;
    border-bottom: none;
    width: 100%;
  }
  .nav-cta { display: none; }
}

/* ===== HERO ===== */
.hero {
  padding: 6rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 50%, rgba(56,189,248,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 20% 80%, rgba(251,191,36,0.04) 0%, transparent 60%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.hero-headline {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.hero-headline em {
  font-style: normal;
  color: var(--accent);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 500px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 2rem;
}

.badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  background: var(--bg-card);
  letter-spacing: 0.05em;
}

.badge-accent {
  border-color: rgba(56,189,248,0.4);
  color: var(--accent);
  background: rgba(56,189,248,0.06);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-diagram {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1;
}

@media (max-width: 768px) {
  .hero { padding: 3.5rem 0 3rem; }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .hero-visual { display: none; }
}

/* ===== CARDS ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: rgba(56,189,248,0.1);
  border: 1px solid rgba(56,189,248,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.4rem;
}

.card-icon.warm {
  background: rgba(251,191,36,0.1);
  border-color: rgba(251,191,36,0.2);
}

.card-icon.green {
  background: rgba(52,211,153,0.1);
  border-color: rgba(52,211,153,0.2);
}

.card h3 { margin-bottom: 0.6rem; font-size: 1.15rem; }
.card p { font-size: 0.9rem; }

/* ===== GRID LAYOUTS ===== */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* ===== TECH STRIP ===== */
.tech-strip {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 3rem 0;
}

.tech-strip-inner {
  display: flex;
  gap: 3rem;
  justify-content: center;
  flex-wrap: wrap;
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.tech-item-icon {
  font-size: 2rem;
}

.tech-item-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ===== CTA BAND ===== */
.cta-band {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 4rem 0;
  text-align: center;
}

.cta-band h2 { margin-bottom: 1rem; }
.cta-band p { margin-bottom: 2rem; max-width: 560px; margin-left: auto; margin-right: auto; }

.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== STAT ROW ===== */
.stat-row {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ===== PAGE HEADER ===== */
.page-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 4rem 0 3rem;
}

.page-header h1 { margin-bottom: 0.75rem; }
.page-header p { font-size: 1.05rem; max-width: 640px; }

/* ===== ABOUT LAYOUT ===== */
.about-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 4rem;
  align-items: start;
}

@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; }
}

.about-content h2 { margin-bottom: 1.25rem; }
.about-content h3 { margin: 2rem 0 0.75rem; color: var(--accent); font-size: 1rem; font-family: var(--font-mono); letter-spacing: 0.05em; }

.capability-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.capability-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.capability-list li::before {
  content: '▹';
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 0.05rem;
}

.about-sidebar .card { margin-bottom: 1.5rem; }
.about-sidebar .card:last-child { margin-bottom: 0; }

/* ===== WORK EXAMPLES ===== */
.work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (max-width: 640px) {
  .work-grid { grid-template-columns: 1fr; }
}

.work-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.work-card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.work-card-thumb {
  aspect-ratio: 16/9;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

.work-card-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.work-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.tag {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  background: rgba(56,189,248,0.08);
  color: var(--accent);
  border: 1px solid rgba(56,189,248,0.2);
}

.tag.warm {
  background: rgba(251,191,36,0.08);
  color: var(--accent-warm);
  border-color: rgba(251,191,36,0.2);
}

.work-card-body h3 { margin-bottom: 0.5rem; font-size: 1.05rem; }
.work-card-body p { font-size: 0.875rem; flex: 1; }

.work-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--accent);
  margin-top: 1rem;
  font-weight: 500;
}

/* ===== SINGLE WORK PAGE ===== */
.single-content {
  max-width: 820px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.single-content h2 { margin: 2.5rem 0 1rem; }
.single-content h3 { margin: 2rem 0 0.75rem; color: var(--text-secondary); }
.single-content p { margin-bottom: 1rem; }
.single-content ul, .single-content ol {
  padding-left: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}
.single-content li { margin-bottom: 0.4rem; }

/* ===== PRODUCTS ===== */
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow);
}

.product-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.product-model {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 0.3rem;
  display: block;
}

.product-card h3 { font-size: 1.15rem; margin-bottom: 0; }
.product-card p { font-size: 0.875rem; margin-bottom: 1.25rem; flex: 1; }

.product-downloads {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: auto;
}

.download-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1rem;
  background: rgba(56,189,248,0.06);
  border: 1px solid rgba(56,189,248,0.15);
  border-radius: var(--radius);
  font-size: 0.825rem;
  color: var(--accent);
  transition: all var(--transition);
}

.download-link:hover {
  background: rgba(56,189,248,0.12);
  border-color: rgba(56,189,248,0.3);
  color: var(--accent-hover);
}

.download-link .dl-icon { font-size: 1rem; }
.download-link .dl-label { flex: 1; font-weight: 500; }
.download-link .dl-size { color: var(--text-muted); font-size: 0.75rem; font-family: var(--font-mono); }

.product-specs {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.spec-table td {
  padding: 0.35rem 0;
  vertical-align: top;
}

.spec-table td:first-child {
  color: var(--text-muted);
  width: 45%;
  font-family: var(--font-mono);
}

.spec-table td:last-child {
  color: var(--text-secondary);
}

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-detail-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: rgba(56,189,248,0.08);
  border: 1px solid rgba(56,189,248,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-detail-label {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

.contact-detail-value {
  color: var(--text-primary);
  font-weight: 500;
}

/* ===== FORM ===== */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
  letter-spacing: 0.03em;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(56,189,248,0.12);
}

.form-control::placeholder { color: var(--text-muted); }

textarea.form-control {
  resize: vertical;
  min-height: 140px;
}

select.form-control {
  appearance: none;
  cursor: pointer;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 3.5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand-name {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.footer-brand-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.875rem;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.footer-links a:hover { color: var(--text-primary); }

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.6rem;
}

.footer-contact-item span:first-child { color: var(--accent); font-size: 1rem; }

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== UTILITY ===== */
.uk-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.35rem 0.8rem;
  border-radius: 100px;
  background: rgba(251,191,36,0.08);
  border: 1px solid rgba(251,191,36,0.2);
  color: var(--accent-warm);
  letter-spacing: 0.06em;
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

.text-accent { color: var(--accent); }
.text-warm   { color: var(--accent-warm); }
.text-green  { color: var(--accent-green); }
.text-muted  { color: var(--text-muted); }
.font-mono   { font-family: var(--font-mono); }

/* ===== NOTICE BOX ===== */
.notice {
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  border-left: 3px solid var(--accent);
  background: rgba(56,189,248,0.05);
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin: 1.5rem 0;
}