/* ═══════════════════════════════════════════
   VARIABLES & RESET
═══════════════════════════════════════════ */
:root {
  --bg: #06041A;
  --bg2: #0D0B26;
  --bg3: #131030;
  --card: rgba(255,255,255,0.04);
  --card-border: rgba(255,255,255,0.08);
  --acc: #FFB800;
  --acc-dim: rgba(255,184,0,0.12);
  --acc-glow: rgba(255,184,0,0.35);
  --purple: #7C5CFF;
  --purple-dim: rgba(124,92,255,0.15);
  --green: #00D395;
  --red: #FF4D4D;
  --orange: #FF6B35;
  --pink: #FF4D9D;
  --txt: #FFFFFF;
  --txt2: rgba(255,255,255,0.6);
  --txt3: rgba(255,255,255,0.35);
  --border: rgba(255,255,255,0.08);
  --r: 14px;
  --r-sm: 8px;
  --shadow: 0 8px 40px rgba(0,0,0,0.5);
  --font: 'Inter', sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--txt);
  overflow-x: hidden;
  line-height: 1.6;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
input, textarea, button { font-family: var(--font); }

/* ═══════════════════════════════════════════
   SCROLLBAR
═══════════════════════════════════════════ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--acc-dim); border-radius: 99px; }

/* ═══════════════════════════════════════════
   NAV
═══════════════════════════════════════════ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 0 32px;
  background: rgba(6,4,26,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}
.nav.scrolled { background: rgba(6,4,26,0.97); }

.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}

.nav-logo img { height: 36px; display: block; }
.logo-text { font-size: 22px; font-weight: 900; color: var(--acc); letter-spacing: 2px; }

.nav-links {
  display: flex; gap: 36px;
}
.nav-links a {
  font-size: 14px; font-weight: 500; color: var(--txt2);
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--txt); }
.nav-links .nav-cta {
  color: var(--acc);
  border: 1px solid var(--acc-dim);
  padding: 8px 20px;
  border-radius: 99px;
  transition: background 0.2s, color 0.2s;
}
.nav-links .nav-cta:hover { background: var(--acc); color: #000; }

.nav-burger { display: none; background: none; border: none; color: var(--txt); font-size: 22px; cursor: pointer; }

/* ═══════════════════════════════════════════
   HERO
═══════════════════════════════════════════ */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}

#heroCanvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
}

.hero-content {
  position: relative; z-index: 2;
  text-align: center;
  padding: 0 24px;
  animation: fadeUp 0.9s ease both;
}

.badge {
  display: inline-block;
  background: var(--acc-dim);
  color: var(--acc);
  border: 1px solid rgba(255,184,0,0.3);
  border-radius: 99px;
  padding: 6px 18px;
  font-size: 12px; font-weight: 600;
  letter-spacing: 1px; text-transform: uppercase;
  margin-bottom: 28px;
}

.hero-content h1 {
  font-size: clamp(52px, 8vw, 100px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.accent { color: var(--acc); }

.hero-sub {
  font-size: clamp(16px, 2.5vw, 20px);
  color: var(--txt2);
  max-width: 560px; margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-btns {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 56px;
}

.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, #FFB800, #FF8C00);
  color: #000; font-weight: 700; font-size: 15px;
  padding: 14px 32px; border-radius: 99px; border: none; cursor: pointer;
  box-shadow: 0 0 40px rgba(255,184,0,0.25);
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 60px rgba(255,184,0,0.45);
}

.btn-ghost, .btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent;
  color: var(--txt2); font-weight: 500; font-size: 15px;
  padding: 13px 28px; border-radius: 99px;
  border: 1px solid var(--border); cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.btn-ghost:hover, .btn-outline:hover {
  color: var(--txt); border-color: var(--acc-dim); background: var(--acc-dim);
}

.hero-stats {
  display: flex; align-items: center; justify-content: center; gap: 40px;
}
.hstat-val {
  font-size: 32px; font-weight: 700; color: var(--acc);
  font-family: var(--mono);
}
.hstat-key { font-size: 13px; color: var(--txt3); margin-top: 4px; }
.hstat-sep { width: 1px; height: 40px; background: var(--border); }

.hero-scroll {
  position: absolute; bottom: 32px; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.scroll-dot {
  width: 6px; height: 6px; background: var(--acc);
  border-radius: 99px;
  animation: scrollPulse 2s infinite;
  margin: 0 auto;
}

/* ═══════════════════════════════════════════
   SECTIONS
═══════════════════════════════════════════ */
.section {
  padding: 120px 24px;
  position: relative;
}
.section-dark { background: var(--bg2); }
.section-demo { background: var(--bg3); }

.container { max-width: 1100px; margin: 0 auto; }

.sec-label {
  font-size: 12px; font-weight: 600;
  color: var(--acc); letter-spacing: 2px; text-transform: uppercase;
  margin-bottom: 16px;
}

.section h2 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800; line-height: 1.1;
  letter-spacing: -1px; margin-bottom: 20px;
}

.sec-desc {
  font-size: 18px; color: var(--txt2); max-width: 560px;
  line-height: 1.7; margin-bottom: 64px;
}
.sec-desc em { color: var(--acc); font-style: normal; }

/* ═══════════════════════════════════════════
   ABOUT SECTION
═══════════════════════════════════════════ */
.trad-vs-vec {
  display: flex; gap: 0; align-items: stretch;
  margin-bottom: 72px; flex-wrap: wrap;
}

.tvcard {
  flex: 1; min-width: 280px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 32px;
}
.tvcard-glow {
  border-color: rgba(0,211,149,0.3);
  box-shadow: 0 0 40px rgba(0,211,149,0.08);
}
.tvcard-title { margin-bottom: 20px; }

.badge-red {
  background: rgba(255,77,77,0.12);
  color: var(--red); border: 1px solid rgba(255,77,77,0.25);
  padding: 5px 14px; border-radius: 99px; font-size: 13px; font-weight: 600;
}
.badge-green {
  background: rgba(0,211,149,0.12);
  color: var(--green); border: 1px solid rgba(0,211,149,0.25);
  padding: 5px 14px; border-radius: 99px; font-size: 13px; font-weight: 600;
}

.search-ex { display: flex; flex-direction: column; gap: 10px; }
.qline { font-size: 14px; color: var(--txt2); padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.rline { font-size: 14px; padding: 8px 12px; border-radius: var(--r-sm); }
.rline.match { background: rgba(0,211,149,0.08); color: var(--green); }
.rline.miss { background: rgba(255,77,77,0.06); color: var(--txt3); text-decoration: line-through; }
.sim { float: right; font-weight: 700; color: var(--acc); }

.vs-arrow {
  display: flex; align-items: center; justify-content: center;
  padding: 0 24px; font-size: 28px; color: var(--acc); font-weight: 300;
}

.flow-wrap {
  display: flex; gap: 0; align-items: stretch; flex-wrap: wrap;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r); overflow: hidden;
}

.flow-step {
  flex: 1; min-width: 160px;
  padding: 32px 24px; text-align: center;
  border-right: 1px solid var(--border);
  transition: background 0.3s;
}
.flow-step:last-child { border-right: none; }
.flow-step:hover { background: rgba(255,255,255,0.03); }
.flow-step-hl { background: var(--acc-dim); border-color: rgba(255,184,0,0.2) !important; }

.flow-ico { font-size: 32px; margin-bottom: 14px; }
.flow-name { font-size: 15px; font-weight: 600; margin-bottom: 8px; }
.flow-val { font-size: 13px; color: var(--txt2); }
.flow-arr { display: flex; align-items: center; font-size: 20px; color: var(--txt3); padding: 0 4px; }
.mono { font-family: var(--mono); font-size: 12px !important; color: var(--acc) !important; }

/* ═══════════════════════════════════════════
   EMBEDDING DEMO
═══════════════════════════════════════════ */
.emb-demo {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 40px;
  margin-bottom: 64px;
}

.emb-label { font-size: 14px; color: var(--txt2); margin-bottom: 20px; }

.emb-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 28px; }

.emb-input {
  flex: 1; min-width: 200px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 12px 18px;
  color: var(--txt); font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
}
.emb-input:focus { border-color: var(--acc); }

.emb-viz {
  min-height: 80px;
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
}

.emb-placeholder { color: var(--txt3); font-size: 14px; font-style: italic; }

.token {
  background: var(--purple-dim);
  border: 1px solid rgba(124,92,255,0.3);
  color: var(--purple);
  padding: 4px 12px; border-radius: 99px;
  font-size: 13px; font-weight: 500;
  transition: all 0.3s;
}
.token.active { background: rgba(124,92,255,0.25); transform: scale(1.05); }

.vec-display {
  width: 100%;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,184,0,0.2);
  border-radius: var(--r-sm);
  padding: 16px 20px;
  font-family: var(--mono);
  font-size: 13px;
  display: flex; flex-wrap: wrap; gap: 6px; align-items: center;
}
.vec-bracket { color: var(--acc); font-size: 18px; font-weight: 700; }
.vec-num {
  color: #7FFFD4;
  transition: opacity 0.2s;
}
.vec-ellipsis { color: var(--txt3); }

/* ═══════════════════════════════════════════
   VECTOR SPACE CANVAS
═══════════════════════════════════════════ */
.vs-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 40px;
}

.vs-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  flex-wrap: wrap; gap: 16px; margin-bottom: 28px;
}
.vs-header h3 { font-size: 20px; font-weight: 700; margin-bottom: 6px; }
.vs-header p { font-size: 14px; color: var(--txt2); }

.vs-canvas-wrap {
  position: relative;
  background: rgba(0,0,0,0.3);
  border-radius: var(--r-sm);
  overflow: hidden;
  cursor: crosshair;
}

#vsCanvas { display: block; width: 100%; height: auto; }

.vs-tooltip {
  position: absolute;
  background: rgba(13,11,38,0.95);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 8px 14px;
  font-size: 13px;
  pointer-events: none;
  display: none;
  white-space: nowrap;
  z-index: 10;
  max-width: 260px;
  white-space: normal;
}

.vs-legend {
  display: flex; flex-wrap: wrap; gap: 20px;
  margin-top: 16px; font-size: 13px; color: var(--txt2);
}
.leg { display: flex; align-items: center; gap: 6px; }

/* ═══════════════════════════════════════════
   COMPARISON TABLE
═══════════════════════════════════════════ */
.comp-table {
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
}

.comp-row {
  display: grid;
  grid-template-columns: 200px 1fr 1fr;
}
@media (max-width: 700px) {
  .comp-row { grid-template-columns: 1fr; }
}

.comp-row > div {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  display: flex; align-items: center;
}

.comp-row:last-child > div { border-bottom: none; }

.comp-header { background: var(--bg3); }
.comp-header > div {
  flex-direction: column; align-items: flex-start;
  gap: 6px; padding: 28px 24px;
}

.db-logo { font-size: 28px; }
.db-name { font-size: 18px; font-weight: 700; }
.db-tag {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  padding: 3px 10px; border-radius: 99px;
  font-size: 11px; color: var(--txt2);
}
.db-tag.qdrant { background: var(--acc-dim); border-color: rgba(255,184,0,0.3); color: var(--acc); }

.comp-feat {
  font-size: 13px !important;
  color: var(--txt2) !important;
  font-weight: 500;
  background: rgba(255,255,255,0.02);
}

.comp-pg { background: transparent; }
.comp-qd { background: rgba(255,184,0,0.03); border-left: 2px solid rgba(255,184,0,0.2) !important; }
.comp-qd.hl { background: var(--acc-dim); color: var(--txt); }

.bar-wrap {
  flex: 1; height: 6px; background: rgba(255,255,255,0.08);
  border-radius: 99px; margin-right: 12px; overflow: hidden;
}
.bar {
  height: 100%; border-radius: 99px; width: 0;
  transition: width 1.2s cubic-bezier(0.4,0,0.2,1);
}
.pg-bar { background: linear-gradient(90deg, #7C5CFF, #A88FFF); }
.qd-bar { background: linear-gradient(90deg, #FFB800, #FF8C00); }

/* ═══════════════════════════════════════════
   DEMO SECTION
═══════════════════════════════════════════ */
.demo-tabs {
  display: flex; gap: 4px; flex-wrap: wrap;
  margin-bottom: 24px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 6px;
  width: fit-content;
}

.dtab {
  background: none; border: none; color: var(--txt2);
  padding: 10px 20px; border-radius: 10px;
  font-size: 14px; font-weight: 500; cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.dtab:hover { color: var(--txt); background: rgba(255,255,255,0.06); }
.dtab.active { background: var(--acc); color: #000; font-weight: 700; }

.dpanel { display: none; }
.dpanel.active { display: block; animation: fadeUp 0.3s ease; }

/* Upload zone */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--r);
  padding: 60px 40px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s;
  margin-bottom: 24px;
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--acc);
  background: var(--acc-dim);
}
.uz-icon { font-size: 48px; margin-bottom: 16px; }
.uz-title { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.uz-sub { font-size: 13px; color: var(--txt3); }

.file-info {
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(0,211,149,0.08);
  border: 1px solid rgba(0,211,149,0.25);
  border-radius: var(--r-sm);
  padding: 12px 18px; margin-bottom: 20px;
}
.fi-name { font-size: 14px; font-weight: 500; color: var(--green); }
.fi-clear { background: none; border: none; color: var(--txt3); cursor: pointer; font-size: 16px; }
.fi-clear:hover { color: var(--red); }

.upload-opts {
  display: flex; gap: 32px; flex-wrap: wrap;
  margin-bottom: 24px;
}
.opt-group { flex: 1; min-width: 240px; }
.opt-group label { display: block; font-size: 14px; color: var(--txt2); margin-bottom: 10px; }
.opt-group label strong { color: var(--acc); }

.slider {
  -webkit-appearance: none;
  width: 100%; height: 4px;
  background: rgba(255,255,255,0.12);
  border-radius: 99px; outline: none;
  margin-bottom: 8px;
}
.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px;
  background: var(--acc); border-radius: 50%; cursor: pointer;
  box-shadow: 0 0 8px var(--acc-glow);
}
.chunk-hint { font-size: 12px; color: var(--txt3); }

.target-btns { display: flex; gap: 8px; flex-wrap: wrap; }
.tbtn {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--txt2); padding: 8px 16px;
  border-radius: var(--r-sm); font-size: 13px; cursor: pointer;
  transition: all 0.2s; white-space: nowrap;
}
.tbtn:hover { border-color: var(--acc-dim); color: var(--txt); }
.tbtn.active { background: var(--acc-dim); border-color: rgba(255,184,0,0.4); color: var(--acc); font-weight: 600; }

.btn-wide { width: 100%; justify-content: center; margin-bottom: 24px; }

/* Big textarea */
.big-textarea {
  width: 100%; min-height: 200px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 20px; color: var(--txt);
  font-size: 15px; line-height: 1.7;
  resize: vertical; outline: none;
  transition: border-color 0.2s;
  margin-bottom: 20px;
}
.big-textarea:focus { border-color: var(--acc); }

/* Search row */
.search-row {
  display: flex; gap: 12px; flex-wrap: wrap;
  margin-bottom: 20px;
}
.search-input {
  flex: 1; min-width: 200px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 14px 20px;
  color: var(--txt); font-size: 15px; outline: none;
  transition: border-color 0.2s;
}
.search-input:focus { border-color: var(--acc); }

.search-opts { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }
.search-opts label { font-size: 14px; color: var(--txt2); }
.search-opts label strong { color: var(--acc); }

/* Browse tabs */
.browse-tabs { display: flex; gap: 8px; margin-bottom: 20px; }
.brtab {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--txt2); padding: 10px 24px;
  border-radius: var(--r-sm); font-size: 14px;
  cursor: pointer; transition: all 0.2s;
}
.brtab:hover { color: var(--txt); }
.brtab.active { background: var(--acc-dim); border-color: rgba(255,184,0,0.4); color: var(--acc); font-weight: 600; }

/* Result area */
.result-area { }

.result-cards { display: flex; flex-direction: column; gap: 12px; }

.rcard {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 20px 24px;
  animation: fadeUp 0.3s ease both;
  position: relative;
}
.rcard:hover { border-color: rgba(255,255,255,0.14); }

.rcard-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 10px; flex-wrap: wrap; gap: 8px;
}

.rcard-db {
  font-size: 11px; font-weight: 700; letter-spacing: 1px;
  padding: 3px 10px; border-radius: 99px;
}
.rcard-db.pg { background: rgba(124,92,255,0.15); color: #A88FFF; border: 1px solid rgba(124,92,255,0.3); }
.rcard-db.qd { background: var(--acc-dim); color: var(--acc); border: 1px solid rgba(255,184,0,0.3); }

.sim-badge {
  display: flex; align-items: center; gap: 8px;
}
.sim-pct {
  font-size: 18px; font-weight: 700; color: var(--acc); font-family: var(--mono);
}
.sim-bar-wrap { width: 80px; height: 4px; background: rgba(255,255,255,0.1); border-radius: 99px; overflow: hidden; }
.sim-bar { height: 100%; background: linear-gradient(90deg, var(--acc), #FF8C00); border-radius: 99px; }
.sim-ms { font-size: 12px; color: var(--txt3); margin-left: 8px; }

.rcard-content { font-size: 14px; line-height: 1.7; color: var(--txt); margin-bottom: 10px; }
.rcard-meta { font-size: 12px; color: var(--txt3); display: flex; gap: 16px; flex-wrap: wrap; }
.rcard-meta span { display: flex; align-items: center; gap: 4px; }
.rcard-del {
  position: absolute; top: 16px; right: 16px;
  background: none; border: 1px solid transparent;
  color: var(--txt3); font-size: 14px; cursor: pointer;
  border-radius: var(--r-sm); padding: 4px 8px;
  transition: all 0.2s;
}
.rcard-del:hover { border-color: var(--red); color: var(--red); }

.search-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 700px) { .search-cols { grid-template-columns: 1fr; } }

.search-col-header {
  font-size: 15px; font-weight: 700; margin-bottom: 14px;
  display: flex; align-items: center; gap: 10px;
}
.elapsed { font-size: 12px; font-weight: 400; color: var(--txt3); font-family: var(--mono); }

/* Loading spinner */
.loading {
  text-align: center; padding: 40px;
  color: var(--txt2); font-size: 14px;
}
.spinner {
  display: inline-block; width: 32px; height: 32px;
  border: 3px solid rgba(255,184,0,0.2);
  border-top-color: var(--acc);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 12px;
}

/* Status messages */
.msg-success {
  background: rgba(0,211,149,0.1);
  border: 1px solid rgba(0,211,149,0.3);
  color: var(--green);
  padding: 16px 20px; border-radius: var(--r); font-size: 14px;
  animation: fadeUp 0.3s ease;
}
.msg-error {
  background: rgba(255,77,77,0.1);
  border: 1px solid rgba(255,77,77,0.3);
  color: var(--red);
  padding: 16px 20px; border-radius: var(--r); font-size: 14px;
  animation: fadeUp 0.3s ease;
}
.msg-info {
  background: var(--acc-dim);
  border: 1px solid rgba(255,184,0,0.3);
  color: var(--acc);
  padding: 16px 20px; border-radius: var(--r); font-size: 14px;
}

/* Empty state */
.empty-state {
  text-align: center; padding: 60px 20px;
  color: var(--txt3); font-size: 15px;
}
.empty-icon { font-size: 48px; margin-bottom: 16px; }

/* Upload result chunks */
.chunk-list { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.chunk-item {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 12px 16px;
  font-size: 13px;
}
.chunk-item strong { color: var(--acc); font-family: var(--mono); }

/* ═══════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════ */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 48px 24px;
}
.footer-inner {
  display: flex; align-items: center; gap: 32px; flex-wrap: wrap;
}
.footer-logo img { height: 40px; }
.footer-text p { font-size: 15px; color: var(--txt2); }
.footer-sub { font-size: 12px; color: var(--txt3) !important; margin-top: 4px; font-family: var(--mono); }

/* ═══════════════════════════════════════════
   REVEAL ANIMATIONS
═══════════════════════════════════════════ */
.reveal, .reveal-row {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible, .reveal-row.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════
   KEYFRAMES
═══════════════════════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(2.5); opacity: 0.5; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: 0.6; }
}

/* ═══════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════ */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; top: 68px; left: 0; right: 0;
    background: rgba(6,4,26,0.97);
    border-bottom: 1px solid var(--border);
    padding: 16px 32px;
  }
  .nav-links.open a { padding: 14px 0; border-bottom: 1px solid var(--border); }
  .nav-burger { display: block; }

  .hero-content h1 { font-size: 48px; }
  .trad-vs-vec { flex-direction: column; }
  .vs-arrow { transform: rotate(90deg); padding: 12px 0; }
  .flow-wrap { flex-direction: column; }
  .flow-step { border-right: none; border-bottom: 1px solid var(--border); }
  .flow-arr { transform: rotate(90deg); padding: 8px 0; }

  .comp-row { grid-template-columns: 1fr; }
  .comp-feat { background: var(--bg3); font-weight: 600 !important; color: var(--txt) !important; padding-bottom: 4px !important; }

  .upload-opts { flex-direction: column; }
  .search-cols { grid-template-columns: 1fr; }
}