/* ============================================================
   LATENTWEB RESEARCH — Design System
   ============================================================ */

/* ── Tokens ── */
:root {
  --bg:           #090b0f;
  --text:         rgba(255,255,255,0.88);
  --text-mid:     rgba(255,255,255,0.50);
  --text-dim:     rgba(255,255,255,0.28);
  --accent:       #4a8cdb;
  --accent-soft:  rgba(74,140,219,0.10);
  --card-bg:      rgba(255,255,255,0.025);
  --panel-bg:     rgba(9,11,15,0.97);
  --border:       rgba(255,255,255,0.08);
  --border-hover: rgba(74,140,219,0.45);
  --font:         'IBM Plex Mono', 'Courier New', monospace;
  --ease:         220ms cubic-bezier(0.4,0,0.2,1);
}

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

html, body {
  /* No overflow:hidden here — it breaks iOS Safari fixed+scroll */
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
}

/* ── CRT overlay — desktop only ── */
@media (min-width: 641px) {
  body::after {
    content: "";
    position: fixed;
    inset: 0;
    background:
      linear-gradient(rgba(0,0,0,0) 50%, rgba(0,0,0,0.06) 50%),
      linear-gradient(90deg,
        rgba(255,0,0,0.012),
        rgba(0,255,0,0.008),
        rgba(0,0,255,0.012));
    background-size: 100% 2px, 3px 100%;
    pointer-events: none;
    z-index: 9999;
    /* Isolate into its own compositing layer */
    will-change: opacity;
    transform: translateZ(0);
  }
}

/* ── Background wave field ── */
#bg-field {
  display: block;
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  font-family: var(--font);
  white-space: pre;
  font-size: 11px;
  line-height: 13px;
  color: rgba(255,255,255,0.035);
  user-select: none;
  pointer-events: none;
}

@media (max-width: 640px) {
  #bg-field {
    font-size: 9px;
    line-height: 11px;
    color: rgba(255,255,255,0.025);
  }
}

/* ── Page fade-in ── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ================================================================
   PAGE SHELL
   ================================================================ */
.page {
  position: relative;
  z-index: 10;
  /* dvh accounts for mobile browser chrome (iOS address bar); vh fallback for older browsers */
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  /* Horizontal padding defines the gutters — max-width children center inside */
  padding: 0 1.25rem;
}

@media (min-width: 641px) {
  .page {
    padding: 0 1.5rem;
    animation: fadeIn 0.45s ease both;
  }
}

/* ================================================================
   HEADER
   ================================================================ */
.site-header {
  width: 100%;
  max-width: 900px;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
  flex: 1;
  min-width: 0;
}

.logo-mark {
  width: 50px;
  height: 50px;
  opacity: 0.9;
  flex-shrink: 0;
}

.logo-fallback {
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  color: var(--text-dim);
  flex-shrink: 0;
}

.brand-text {
  min-width: 280px;
}

.brand-text h1 {
  font-size: 1rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--text);
  line-height: 1.2;
  white-space: nowrap;
}

/* Fixed height prevents layout shift when typewriter types */
.brand-text .sub {
  font-size: 0.68rem;
  color: var(--text-dim);
  letter-spacing: 1.5px;
  line-height: 1.2;
  margin-top: 4px;
  height: 1em;          /* <— fixed height, no layout shift */
  overflow: hidden;
  white-space: nowrap;
}

.header-nav {
  display: flex;
  gap: 1.75rem;
  align-items: center;
  flex-shrink: 0;
}

.header-nav a {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  transition: color var(--ease);
  white-space: nowrap;
}

.header-nav a:hover { color: var(--text-mid); }

/* ── Mobile Toggle ── */
.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0.25rem;
  transition: color var(--ease);
  flex-shrink: 0;
}

.mobile-toggle:hover {
  color: var(--accent);
}

.back-link { color: var(--text-dim) !important; }
.back-link:hover { color: var(--accent) !important; }

/* ================================================================
   BREADCRUMB
   ================================================================ */
.breadcrumb {
  width: 100%;
  max-width: 900px;
  padding: 0.9rem 0 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.breadcrumb a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color var(--ease);
}

.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep   { opacity: 0.35; }
.breadcrumb .current { color: var(--accent); opacity: 0.85; }

/* ================================================================
   FOOTER
   ================================================================ */
.site-footer {
  width: 100%;
  max-width: 900px;
  padding: 1rem 0 1.75rem;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  margin-top: auto;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.status-line {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-dim);
  font-size: 0.72rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.pulse-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
  flex-shrink: 0;
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1;   box-shadow: 0 0 6px var(--accent); }
  50%       { opacity: 0.3; box-shadow: 0 0 2px var(--accent); }
}

.footer-links {
  display: flex;
  gap: 1.75rem;
}

.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.72rem;
  transition: color var(--ease);
}

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

/* Blinking cursor */
.cursor {
  display: inline-block;
  width: 1px;
  height: 0.85em;
  background: var(--text-dim);
  vertical-align: middle;
  margin-left: 2px;
  animation: blink 1.1s step-end infinite;
}

@keyframes blink { 50% { opacity: 0; } }

/* ================================================================
   SHARED BUTTONS
   ================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font);
  font-size: 0.72rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--border);
  color: var(--text-mid);
  background: transparent;
  cursor: pointer;
  transition: border-color var(--ease), color var(--ease), box-shadow var(--ease), background var(--ease);
}

.btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 14px rgba(74,140,219,0.15);
}

.btn.primary {
  border-color: rgba(74,140,219,0.5);
  color: var(--accent);
}

.btn.primary:hover {
  background: rgba(74,140,219,0.08);
  border-color: var(--accent);
  box-shadow: 0 0 22px rgba(74,140,219,0.20);
}

/* ================================================================
   ASCII RENDERER
   ================================================================ */
.ascii-wrap {
  font-family: var(--font);
  white-space: pre;
  line-height: 1;
  user-select: none;
  pointer-events: none;
  display: block;
}

/* ================================================================
   INDEX PAGE — Intro
   ================================================================ */
.intro {
  width: 100%;
  max-width: 900px;
  padding: 2rem 0 0.25rem;
}

.intro-label {
  font-size: 0.68rem;
  color: var(--text-dim);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.intro-headline {
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.75;
  max-width: auto;
}

.intro-headline em {
  font-style: normal;
  color: var(--text);
}

.divider {
  width: 100%;
  max-width: 900px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent) 0%, transparent 60%);
  opacity: 0.25;
  margin: 1.25rem 0 0;
}

/* ================================================================
   INDEX PAGE — Project Cards
   ================================================================ */
.projects {
  display: flex;
  gap: 1.25rem;
  align-items: stretch;
  justify-content: center;
  flex: 1;
  padding: 1.5rem 0;
  width: 100%;
  max-width: 900px;
}

.card {
  flex: 1;
  max-width: 430px;
  background: rgba(12, 14, 20, 0.97); /* solid fallback — no backdrop-filter on mobile */
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  position: relative;
  transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease);
  overflow: hidden;
}

@media (min-width: 641px) {
  .card {
    background: var(--card-bg);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
  }
}

.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--accent) 50%, transparent 100%);
  opacity: 0;
  transition: opacity var(--ease);
}

.card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 0 40px rgba(74,140,219,0.10), 0 8px 32px rgba(0,0,0,0.4), inset 0 0 40px rgba(74,140,219,0.025);
  transform: translateY(-3px);
}

.card:hover::before { opacity: 1; }

.card-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 1rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.68rem;
  color: var(--text-dim);
  letter-spacing: 2px;
  text-transform: uppercase;
  background: rgba(255,255,255,0.015);
}

.card-bar .dots { display: flex; gap: 5px; align-items: center; }

.card-bar .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--text-dim);
  opacity: 0.35;
  transition: background var(--ease), opacity var(--ease), box-shadow var(--ease);
}

.card:hover .dot:first-child {
  background: var(--accent);
  opacity: 0.9;
  box-shadow: 0 0 5px var(--accent);
}

/* Project logo inside card — shown above ASCII */
.card-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem 1.25rem 0;
  gap: 0.75rem;
}

.card-logo img {
  height: 34px;
  opacity: 0.7;
  transition: opacity var(--ease);
}

.card:hover .card-logo img { opacity: 1; }

.card-logo .logo-fallback-sm {
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  color: var(--text-dim);
  letter-spacing: 0;
  display: none; /* shown via JS onerror */
}

.card-ascii {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 0.5rem 1rem;
  flex: 1;
  min-height: 0;
  background: rgba(0,0,0,0.08);
}

.card-ascii .ascii-wrap {
  font-size: 8.5px;
  line-height: 9px;
  color: var(--text);
  text-shadow: 0 0 6px rgba(255,255,255,0.22);
  transition: text-shadow var(--ease);
}

.card:hover .card-ascii .ascii-wrap {
  text-shadow: 0 0 10px rgba(255,255,255,0.42), 0 0 22px rgba(74,140,219,0.18);
}

.card-info {
  padding: 1rem 1.25rem 1.25rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--text);
}

.card-tag {
  font-size: 0.68rem;
  color: var(--accent);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  opacity: 0.85;
}

.card-desc {
  font-size: 0.85rem;
  color: var(--text-mid);
  line-height: 1.7;
  padding-top: 0.1rem;
}

.card-enter {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-top: 0.4rem;
  transition: color var(--ease);
}

.card:hover .card-enter { color: var(--accent); }

.card-enter .arr {
  display: inline-block;
  transition: transform var(--ease);
}

.card:hover .card-enter .arr { transform: translateX(5px); }

/* ================================================================
   PROJECT SUBPAGES
   ================================================================ */
.content {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3.5rem;
  width: 100%;
  max-width: 900px;
  padding: 1.75rem 0;
  min-height: 0;
}

.ascii-hero { flex-shrink: 0; }

.ascii-hero .ascii-wrap {
  font-size: 10px;
  line-height: 10px;
  color: var(--text);
  text-shadow: 0 0 10px rgba(255,255,255,0.3);
}

.project-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}

/* Project logo in subpage header area */
.project-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.project-logo img {
  height: 42px;
  opacity: 0.85;
}

.project-logo .logo-fallback-sm {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  color: var(--text-dim);
  display: none;
}

.project-eyebrow {
  font-size: 0.68rem;
  color: var(--accent);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  opacity: 0.85;
}

.project-title {
  font-size: 2.5rem;
  font-weight: 400;
  letter-spacing: -1px;
  color: var(--text);
  line-height: 1;
}

.project-tagline {
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.75;
  max-width: 400px;
  border-left: 1px solid var(--border);
  padding-left: 1rem;
}

/* Changelog / Architecture log */
.log-header {
  font-size: 0.68rem;
  color: var(--text-dim);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.log {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.log-entry {
  display: flex;
  gap: 1rem;
  padding: 0.45rem 0;
  font-size: 0.8rem;
  line-height: 1.5;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.log-entry:last-child { border-bottom: none; }

.log-ts {
  color: var(--text-dim);
  flex-shrink: 0;
  font-size: 0.72rem;
  min-width: 3.5rem;
}

.log-ts.core { color: rgba(74,140,219,0.55); }
.log-ts.arch { color: rgba(255,255,255,0.20); }

.log-msg { color: var(--text-mid); }
.log-msg .hi { color: var(--text); }

.log-entry.next .log-ts { color: var(--accent); opacity: 0.5; }
.log-entry.next .log-msg { color: var(--text-dim); font-style: italic; }

/* Stats */
.stats {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.stat {
  border: 1px solid var(--border);
  padding: 0.5rem 0.9rem;
  background: rgba(255,255,255,0.015);
  transition: border-color var(--ease);
}

.stat:hover { border-color: rgba(74,140,219,0.3); }

.stat .val {
  display: block;
  font-size: 1rem;
  color: var(--accent);
  letter-spacing: 0;
  margin-bottom: 2px;
  font-weight: 400;
}

.stat .lbl {
  display: block;
  font-size: 0.65rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

/* Actions */
.actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Manifesto */
.manifesto {
  font-size: 0.85rem;
  color: var(--text-mid);
  line-height: 1.85;
  border-left: 1px solid var(--border);
  padding-left: 1rem;
  max-width: 380px;
}

.manifesto strong {
  color: var(--text);
  font-weight: 400;
}

/* ================================================================
   MOBILE
   ================================================================ */
@media (max-width: 640px) {
  
  .brand-text {
      min-width: 0;
      width: auto;
      max-width: 310px; /* Prevents text from hitting the toggle button */
    }

  /* Update header inner to allow wrapping */
  .header-inner { flex-wrap: wrap; }
  
  /* Show the toggle */
  .mobile-toggle { display: block; }
  
  /* Hide nav by default, stack items, add spacing */
  .header-nav { 
    display: none; 
    width: 100%; 
    flex-direction: column; 
    align-items: flex-start; 
    gap: 1rem; 
    padding-top: 1.25rem; 
    margin-top: 0.5rem;
    border-top: 1px solid var(--border);
  }
  
  /* The active state toggled by Javascript */
  .header-nav.is-open { 
    display: flex; 
    animation: fadeIn 0.3s ease both;
  }
  
  .site-header { padding: 1rem 0; }
  .header-nav { gap: 1.25rem; }
  .header-nav a { font-size: 0.75rem; }

  .intro { padding-top: 1.5rem; }

  .projects {
    flex-direction: column;
    padding: 1rem 0;
    gap: 1rem;
  }

  .card { max-width: 100%; }
  .card-ascii .ascii-wrap { font-size: 7px; line-height: 7.5px; }

  .content {
    flex-direction: column;
    gap: 1.5rem;
    align-items: flex-start;
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
  }

  .ascii-hero { display: none; }

  .project-title { font-size: 1.9rem; }

  .footer-inner {
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
  }
}

.card-image {
  padding: 2.5rem;
}

@media (max-width: 400px) {
  .project-title { font-size: 1.6rem; }
  .brand-text h1 { font-size: 0.8rem; letter-spacing: 1.5px; }
}