/* ============================================
   P.A.U. SYSTEMS — DESIGN TOKENS
   ============================================ */
:root {
  /* Color */
  --ink: #0A0F1C;
  --panel: #121A2B;
  --panel-raised: #16213570;
  --line: #223049;
  --signal: #35E0C7;
  --signal-dim: #35e0c733;
  --amber: #F2A65A;
  --paper: #EDF2FA;
  --slate: #8792AA;

  /* Type */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Layout */
  --wrap: 1180px;
  --radius: 2px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 28px;
}

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

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0;
  letter-spacing: -0.01em;
}

p { margin: 0; }

::selection {
  background: var(--signal);
  color: var(--ink);
}

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
  border-radius: 1px;
}

/* subtle film-grain / noise overlay for texture, avoids flat-vector-on-black cliche */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============================================
   SHARED PATTERNS
   ============================================ */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
  margin: 0 0 20px 0;
}

.eyebrow-plain {
  color: var(--slate);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 0 var(--signal-dim);
  animation: pulse 2.2s ease-out infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 var(--signal-dim); }
  70%  { box-shadow: 0 0 0 8px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.section-head {
  max-width: 640px;
  margin: 0 0 48px 0;
}

.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
}

/* corner-bracket schematic frame — signature device, echoes engineering/QA diagrams */
.bracket-frame {
  position: relative;
  padding: 22px;
}

.corner {
  position: absolute;
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--signal);
  opacity: 0.8;
}
.corner.tl { top: 0; left: 0; border-right: none; border-bottom: none; }
.corner.tr { top: 0; right: 0; border-left: none; border-bottom: none; }
.corner.bl { bottom: 0; left: 0; border-right: none; border-top: none; }
.corner.br { bottom: 0; right: 0; border-left: none; border-top: none; }

/* scroll-reveal */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--signal);
  color: #04211C;
}
.btn-primary:hover { background: #4beeda; }

.btn-ghost {
  border-color: var(--line);
  color: var(--paper);
}
.btn-ghost:hover { border-color: var(--signal); }

.btn-large {
  font-family: var(--font-mono);
  font-size: 16px;
  padding: 16px 32px;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 15, 28, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark { border-radius: 4px; }

.brand-word {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--paper);
}
.brand-word-muted { color: var(--slate); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 14px;
}

.site-nav a:not(.nav-cta) {
  color: var(--slate);
  transition: color 0.18s ease;
}
.site-nav a:not(.nav-cta):hover { color: var(--paper); }

.nav-cta {
  font-family: var(--font-mono);
  font-size: 13px;
  border: 1px solid var(--line);
  padding: 8px 16px;
  border-radius: var(--radius);
  transition: border-color 0.18s ease, color 0.18s ease;
}
.nav-cta:hover { border-color: var(--signal); color: var(--signal); }

/* ============================================
   HERO
   ============================================ */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
  padding-top: 88px;
  padding-bottom: 64px;
}

.hero h1 {
  font-size: clamp(2.1rem, 4.4vw, 3.3rem);
  margin-bottom: 22px;
}

.hero-sub {
  font-size: 17px;
  color: var(--slate);
  max-width: 46ch;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-figure {
  justify-self: center;
  text-align: center;
}

.hero-cube {
  border-radius: 6px;
  width: 100%;
}

.figure-caption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--slate);
  margin-top: 14px;
}

/* ============================================
   STATUS STRIP
   ============================================ */
.status-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 32px 28px;
  margin-top: 8px;
  margin-bottom: 130px;
  gap: 24px;
}

.status-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-left: 20px;
  border-left: 1px solid var(--line);
}
.status-item:first-child { border-left: none; padding-left: 0; }

.status-value {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--signal);
}

.status-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--slate);
  text-transform: uppercase;
  line-height: 1.4;
}

/* ============================================
   ABOUT
   ============================================ */
.about { margin-bottom: 140px; }

.about-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
  align-items: start;
}

.bracket-frame-square {
  aspect-ratio: 1 / 1;
  display: flex;
}

.portrait-placeholder {
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
}

.portrait-placeholder span {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--line);
  letter-spacing: 0.05em;
}

.portrait-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.about-copy p { margin-bottom: 18px; color: var(--slate); }
.about-copy p:last-child { margin-bottom: 0; }

.about-copy .lede {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--paper);
  margin-bottom: 22px;
}

/* ============================================
   BUILD (module cards)
   ============================================ */
.build { margin-bottom: 140px; }

.build-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.module-card {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 30px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.module-card:hover {
  border-color: var(--signal);
  transform: translateY(-2px);
}

.module-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--amber);
  border: 1px solid #f2a65a44;
  padding: 4px 9px;
  border-radius: var(--radius);
  margin-bottom: 16px;
}

.module-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.module-card p {
  color: var(--slate);
  font-size: 14.5px;
}

/* ============================================
   WORK
   ============================================ */
.work { margin-bottom: 140px; }

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.work-card {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 26px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.work-card:hover {
  border-color: var(--signal);
  transform: translateY(-2px);
}

.work-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 10px;
}

.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--signal);
  border: 1px solid var(--signal-dim);
  padding: 5px 10px;
  border-radius: var(--radius);
}

.live-badge-dev {
  color: var(--amber);
  border-color: #f2a65a44;
}
.live-badge-dev .status-dot {
  background: var(--amber);
  box-shadow: none;
  animation: none;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}

.tech-tags span {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--slate);
  border: 1px solid var(--line);
  padding: 4px 8px;
  border-radius: var(--radius);
}

.work-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.work-card p {
  color: var(--slate);
  font-size: 14.5px;
  margin-bottom: 22px;
  flex-grow: 1;
}

.work-link {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--signal);
}
.work-link:hover { text-decoration: underline; }

.work-link-static {
  color: var(--slate);
}

/* ============================================
   CONTACT
   ============================================ */
.contact { margin-bottom: 120px; }

.contact-frame {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 64px 48px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.contact h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  max-width: 22ch;
  margin-bottom: 16px;
}

.contact-sub {
  color: var(--slate);
  max-width: 46ch;
  margin-bottom: 32px;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
}

.footer-tagline, .footer-copy {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 48px;
  }
  .hero-figure { order: -1; max-width: 340px; margin: 0 auto; }
  .status-strip {
    grid-template-columns: repeat(2, 1fr);
    margin-bottom: 90px;
  }
  .status-item:nth-child(3) { border-left: none; padding-left: 0; }
  .about-grid { grid-template-columns: 1fr; }
  .about-portrait { max-width: 220px; }
  .build-grid { grid-template-columns: 1fr; }
  .work-grid { grid-template-columns: 1fr; }
  .site-nav { gap: 18px; }
}

@media (max-width: 620px) {
  .wrap { padding: 0 20px; }
  .site-nav a:not(.nav-cta) { display: none; }
  .header-inner { height: 64px; }
  .contact-frame { padding: 44px 24px; }
  .about, .build, .work { margin-bottom: 96px; }
  .status-strip { margin-bottom: 70px; }
}