/* ═══════════════════════════════════════════
   ACME — ACME COGNITIVE MIND
   Sci-Fi Dark Theme CSS
   ═══════════════════════════════════════════ */

/* ── CUSTOM PROPERTIES ── */
:root {
  --cyan:      #00f5ff;
  --blue:      #0066ff;
  --blue-dark: #003388;
  --indigo:    #4400ff;
  --bg:        #00060f;
  --bg-2:      #000d1a;
  --bg-3:      #001428;
  --surface:   rgba(0, 20, 50, 0.6);
  --border:    rgba(0, 245, 255, 0.15);
  --border-h:  rgba(0, 245, 255, 0.5);
  --text:      #c8e8ff;
  --text-dim:  rgba(200, 232, 255, 0.5);
  --white:     #ffffff;

  --font-mono:   'Share Tech Mono', monospace;
  --font-body:   'Exo 2', sans-serif;
  --font-display:'Orbitron', sans-serif;

  --r: 6px;
  --r-lg: 12px;
  --glow-cyan: 0 0 20px rgba(0,245,255,0.4), 0 0 60px rgba(0,245,255,0.1);
  --glow-blue: 0 0 20px rgba(0,102,255,0.5);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

/* ── NEURAL CANVAS BACKGROUND ── */
#neural-canvas {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
}
#star-canvas {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  background: transparent !important;
}

/* ── SCANLINES ── */
.scanlines {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 3px,
    rgba(0, 0, 0, 0.08) 3px,
    rgba(0, 0, 0, 0.08) 4px
  );
}

/* ── HEADER ── */
#main-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(0, 6, 15, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: border-color 0.3s;
}
#main-header.scrolled { border-color: var(--border-h); }
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}
.logo-bracket {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 300;
  opacity: 0.5;
  color: var(--cyan);
  text-shadow: 0 0 10px rgba(0,245,255,0.3);
}
.logo-acme {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: 4px;
  background: linear-gradient(135deg, #00f5ff 0%, #0088ff 50%, #00f5ff 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: logo-gradient 3s ease infinite;
  filter: drop-shadow(0 0 8px rgba(0,245,255,0.5));
  position: relative;
}
.logo-acme::before {
  content: 'ACME';
  position: absolute;
  left: 0;
  top: 0;
  background: linear-gradient(135deg, #00f5ff 0%, #0088ff 50%, #00f5ff 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: logo-gradient 3s ease infinite;
  filter: blur(12px);
  opacity: 0.6;
  z-index: -1;
}
@keyframes logo-gradient {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.logo-acme-pulse {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--cyan);
  border-radius: 50%;
  margin-left: 4px;
  animation: pulse-ring 2s ease-in-out infinite;
  box-shadow: 0 0 6px var(--cyan), 0 0 12px rgba(0,245,255,0.5);
}
@keyframes pulse-ring {
  0%, 100% { 
    transform: scale(1);
    opacity: 1;
  }
  50% { 
    transform: scale(1.3);
    opacity: 0.6;
  }
}
.logo-sub {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  color: var(--text-dim);
  letter-spacing: 2px;
  text-transform: uppercase;
  padding-left: 12px;
  border-left: 1px solid rgba(0,245,255,0.2);
}

/* Nav */
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 1px;
  color: var(--text-dim);
  padding: 6px 14px;
  border-radius: var(--r);
  transition: color 0.2s, background 0.2s;
  text-decoration: none;
  text-transform: uppercase;
}
.nav-links a:hover { color: var(--cyan); background: rgba(0,245,255,0.06); }
.nav-cta {
  color: var(--cyan) !important;
  border: 1px solid var(--border-h) !important;
  margin-left: 8px;
}
.nav-cta:hover {
  background: rgba(0,245,255,0.12) !important;
  box-shadow: var(--glow-cyan);
}

/* ── LANGUAGE SWITCHER ── */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: 0.5rem;
  background: rgba(0, 20, 50, 0.5);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 3px 5px;
}
.lang-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 1px;
  cursor: pointer;
  padding: 3px 8px;
  border-radius: 100px;
  transition: color 0.2s, background 0.2s;
  line-height: 1;
}
.lang-btn:hover {
  color: var(--cyan);
}
.lang-btn.active {
  color: var(--cyan);
  background: rgba(0, 245, 255, 0.12);
  text-shadow: 0 0 8px rgba(0, 245, 255, 0.5);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--cyan);
  transition: transform 0.2s;
}

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 120px 2rem 80px;
  max-width: 1280px;
  margin: 0 auto;
  gap: 3rem;
  position: relative;
}

.hero-content { flex: 1; max-width: 640px; }

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 2px;
  color: var(--cyan);
  text-transform: uppercase;
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 2rem;
  background: rgba(0,245,255,0.05);
}
.tag-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pulse 1.5s ease-in-out infinite;
  box-shadow: 0 0 8px var(--cyan);
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.4; transform: scale(0.6); }
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1;
  margin-bottom: 1.5rem;
}
.title-line {
  display: block;
  font-size: clamp(3rem, 7vw, 5.5rem);
  letter-spacing: 0.08em;
  color: var(--white);
}
.title-line.accent {
  color: transparent;
  -webkit-text-stroke: 2px var(--cyan);
  text-shadow: var(--glow-cyan);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-dim);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

/* Buttons */
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--blue), var(--indigo));
  color: var(--white);
  padding: 12px 28px;
  border-radius: var(--r);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid rgba(0,245,255,0.3);
  box-shadow: var(--glow-blue), inset 0 1px 0 rgba(255,255,255,0.1);
  transition: all 0.25s;
  cursor: pointer;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-cyan), var(--glow-blue);
  border-color: var(--cyan);
  text-decoration: none;
}
.btn-primary.large { padding: 16px 36px; font-size: 0.92rem; }
.btn-icon { font-size: 0.7rem; opacity: 0.8; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--cyan);
  padding: 12px 28px;
  border-radius: var(--r);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--border-h);
  transition: all 0.25s;
}
.btn-ghost:hover {
  background: rgba(0,245,255,0.08);
  box-shadow: var(--glow-cyan);
  text-decoration: none;
}

/* Stats */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}
.stat {
  padding: 0 2rem 0 0;
  text-align: left;
}
.stat:first-child { padding-left: 0; }
.stat-value {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 1.5px;
  color: var(--text-dim);
  text-transform: uppercase;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
  margin: 0 2rem 0 0;
}

/* Hero Visual – ORB */
.hero-visual {
  position: relative;
  width: 380px;
  height: 380px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.orb-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--cyan);
  opacity: 0.2;
  animation: orb-rotate linear infinite;
}
.ring-1 { width: 340px; height: 340px; animation-duration: 20s; }
.ring-2 { width: 280px; height: 280px; animation-duration: 14s; animation-direction: reverse; border-color: var(--blue); }
.ring-3 { width: 210px; height: 210px; animation-duration: 9s; opacity: 0.15; }
@keyframes orb-rotate {
  from { transform: rotate(0deg) scaleX(0.3); }
  to   { transform: rotate(360deg) scaleX(0.3); }
}
.orb-core {
  width: 180px;
  height: 180px;
  animation: float 4s ease-in-out infinite;
}
@keyframes float {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-16px); }
}
.orb-inner {
  width: 100%; height: 100%;
  filter: drop-shadow(0 0 30px rgba(0,245,255,0.6));
}
.orb-svg { width: 100%; height: 100%; }

/* ── TICKER ── */
.ticker-wrap {
  overflow: hidden;
  background: rgba(0, 245, 255, 0.05);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}
.ticker-track {
  display: inline-flex;
  gap: 2rem;
  white-space: nowrap;
  animation: ticker 30s linear infinite;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 2px;
  color: var(--cyan);
  text-transform: uppercase;
  opacity: 0.7;
}
.ticker-track .sep { color: var(--blue); opacity: 0.6; }
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── SECTIONS ── */
.section { padding: 100px 0; }
.section-alt { background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 50%, var(--bg) 100%); }
.container { max-width: 1280px; margin: 0 auto; padding: 0 2rem; }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 3px;
  color: var(--cyan);
  opacity: 0.6;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 2rem;
}
.section-title.center { text-align: center; margin-bottom: 3rem; }
.accent { color: var(--cyan); text-shadow: var(--glow-cyan); }
.body-text { color: var(--text-dim); font-size: 1.05rem; margin-bottom: 1.2rem; line-height: 1.8; }
.center { text-align: center; }

/* ── MISSION ── */
.mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.mission-bullets { margin-top: 1.5rem; display: flex; flex-direction: column; gap: 0.75rem; }
.bullet-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text);
}
.bullet-icon { color: var(--cyan); font-size: 0.9rem; flex-shrink: 0; margin-top: 3px; }

/* Terminal Card */
.terminal-card {
  background: rgba(0, 10, 25, 0.9);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--glow-blue);
}
.terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: rgba(0, 245, 255, 0.04);
  border-bottom: 1px solid var(--border);
}
.t-dot {
  width: 11px; height: 11px;
  border-radius: 50%;
}
.t-dot.red    { background: #ff5f57; }
.t-dot.yellow { background: #ffbd2e; }
.t-dot.green  { background: #28c840; }
.t-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 1px;
  margin-left: 6px;
}
.terminal-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.t-line {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.5;
}
.t-line.success { color: #00ff88; }
.t-line .prompt { color: var(--cyan); margin-right: 8px; }
.cursor { animation: blink 1s step-end infinite; }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }

/* ── CAPABILITIES ── */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.cap-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 2rem;
  position: relative;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
  overflow: hidden;
}
.cap-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,245,255,0.04) 0%, transparent 60%);
  pointer-events: none;
}
.cap-card:hover {
  border-color: var(--border-h);
  transform: translateY(-4px);
  box-shadow: var(--glow-cyan);
}
.cap-card.featured {
  border-color: rgba(0,245,255,0.4);
  background: rgba(0, 50, 100, 0.4);
  box-shadow: var(--glow-cyan);
}
.cap-badge {
  position: absolute;
  top: 14px; right: 14px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 2px;
  color: var(--cyan);
  border: 1px solid var(--border-h);
  padding: 3px 8px;
  border-radius: 4px;
}
.cap-icon {
  font-size: 2rem;
  color: var(--cyan);
  margin-bottom: 1rem;
  text-shadow: var(--glow-cyan);
}
.cap-card h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.75rem;
  letter-spacing: 0.5px;
}
.cap-card p {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.65;
  margin-bottom: 1rem;
}
.cap-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 2px;
  color: var(--blue);
  opacity: 0.7;
  text-transform: uppercase;
}

/* ── ARCHITECTURE VISUAL DIAGRAM ── */
.arch-visual {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  position: relative;
}

/* Clients row */
.clients-row {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 0;
}
.arch-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 14px 22px;
  transition: border-color 0.2s;
}
.arch-node:hover { border-color: var(--border-h); }
.an-icon { font-size: 1.4rem; color: var(--cyan); }
.an-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 1px;
  color: var(--text-dim);
  text-transform: uppercase;
}

/* Connector rows */
.arch-connector-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 2px 0;
}
.arch-vline {
  width: 2px;
  height: 20px;
  background: linear-gradient(to bottom, var(--blue), rgba(0,102,255,0.3));
}
.arch-vline.accent-vline {
  background: linear-gradient(to bottom, var(--cyan), rgba(0,245,255,0.3));
  box-shadow: 0 0 8px rgba(0,245,255,0.4);
}
.arch-label-inline {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 2px;
  color: var(--text-dim);
  text-transform: uppercase;
  padding: 2px 10px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--bg);
  white-space: nowrap;
}
.arch-label-inline.accent-label {
  color: var(--cyan);
  border-color: rgba(0,245,255,0.3);
  box-shadow: 0 0 10px rgba(0,245,255,0.15);
}

/* Bands */
.arch-band {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.25rem 1.75rem;
  background: var(--surface);
  transition: border-color 0.25s;
}
.arch-band:hover { border-color: var(--border-h); }

.band-interface    { border-color: rgba(0,102,255,0.3); }
.band-orchestration{ border-color: rgba(0,102,255,0.25); }
.band-foundation   { border-color: rgba(0,102,255,0.3); }

.band-core {
  border-color: rgba(0,245,255,0.5);
  background: rgba(0, 40, 80, 0.6);
  box-shadow: 0 0 30px rgba(0,245,255,0.1), inset 0 0 20px rgba(0,245,255,0.04);
  position: relative;
}

.band-title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 3px;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 0.9rem;
}
.band-core .band-title {
  color: var(--cyan);
  text-shadow: 0 0 10px rgba(0,245,255,0.5);
}

.band-chips {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.band-chip {
  background: rgba(0,102,255,0.12);
  border: 1px solid rgba(0,102,255,0.25);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 5px 14px;
  border-radius: 100px;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.band-chip.core-chip {
  background: rgba(0,245,255,0.12);
  border-color: rgba(0,245,255,0.4);
  color: var(--cyan);
  text-shadow: 0 0 8px rgba(0,245,255,0.5);
}

/* Core internal flow */
.core-flow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(0,245,255,0.15);
  flex-wrap: wrap;
}
.cf-item {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 1px;
  color: var(--white);
  background: rgba(0,245,255,0.08);
  border: 1px solid rgba(0,245,255,0.2);
  padding: 4px 12px;
  border-radius: 4px;
  white-space: nowrap;
}
.cf-arrow {
  color: var(--cyan);
  opacity: 0.6;
  font-size: 1rem;
}

/* Feedback loop */
.arch-feedback {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
}
.feedback-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.4;
}
.feedback-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 2px;
  color: var(--cyan);
  opacity: 0.6;
  white-space: nowrap;
}

/* ── OLD arch-diagram styles (kept for fallback) ── */
.arch-diagram {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}
.arch-layer {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s calc(var(--i) * 0.15s), transform 0.5s calc(var(--i) * 0.15s);
}
.arch-layer.visible { opacity: 1; transform: translateY(0); }
.layer-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 2px;
  color: var(--text-dim);
  text-transform: uppercase;
  white-space: nowrap;
  min-width: 180px;
}
.layer-chips { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.chip {
  background: rgba(0,102,255,0.15);
  border: 1px solid rgba(0,102,255,0.3);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 12px;
  border-radius: 100px;
  letter-spacing: 0.5px;
}
.chip.accent-chip {
  background: rgba(0,245,255,0.12);
  border-color: rgba(0,245,255,0.4);
  color: var(--cyan);
  text-shadow: 0 0 8px var(--cyan);
}
.arch-arrow {
  color: var(--blue);
  opacity: 0.6;
  font-size: 1.2rem;
}

/* ── RESEARCH ── */
.research-list { display: flex; flex-direction: column; gap: 1.5rem; }
.research-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 2rem 2.5rem;
  transition: border-color 0.25s, transform 0.25s;
  position: relative;
  overflow: hidden;
}
.research-card::after {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--cyan), var(--blue));
  border-radius: 3px 0 0 3px;
}
.research-card:hover {
  border-color: var(--border-h);
  transform: translateX(4px);
}
.research-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}
.research-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 2px;
  color: var(--cyan);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(0,245,255,0.06);
}
.research-date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
}
.research-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}
.research-card p {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 1rem;
}
.research-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cyan);
  letter-spacing: 1px;
  transition: opacity 0.2s;
}
.research-link:hover { opacity: 0.7; }

/* ── CONTACT ── */
.contact-section { background: var(--bg-2); }
.contact-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2.5rem 0 3rem;
}
.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.75rem;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.contact-card:hover {
  border-color: var(--border-h);
  box-shadow: var(--glow-cyan);
}
.contact-icon {
  font-size: 1.5rem;
  color: var(--cyan);
  margin-bottom: 0.75rem;
  text-shadow: var(--glow-cyan);
}
.contact-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 2px;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.contact-value {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--cyan);
  word-break: break-all;
}

/* ── FOOTER ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  background: var(--bg);
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-brand {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 3px;
}
.footer-text {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 1px;
}
.footer-links {
  display: flex;
  gap: 1.5rem;
}
.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 1px;
  color: var(--text-dim);
  text-transform: uppercase;
}
.footer-links a:hover { color: var(--cyan); }

/* ── SCROLL ANIMATIONS ── */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .mission-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-visual { display: none; }
}
@media (max-width: 768px) {
  .hero { padding: 100px 1.5rem 60px; }
  .cap-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: rgba(0,6,15,0.97);
    border-bottom: 1px solid var(--border);
    padding: 1rem;
    gap: 0.25rem;
    z-index: 99;
  }
  .menu-toggle { display: flex; }
  .logo-sub { display: none; }
  .arch-layer { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .layer-label { min-width: unset; }
  .footer-inner { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .hero-stats { gap: 1.5rem; flex-direction: column; align-items: flex-start; }
  .stat-divider { display: none; }
  .hero-actions { flex-direction: column; }
}