/* ============================================
   Ternel — landing page styles
   ============================================ */

/* ====== HERO ====== */
.hero {
  padding: 64px 0 32px;
  position: relative;
  z-index: 1;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--surface);
  margin-bottom: 28px;
}
.dot-ok {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ok);
  display: inline-block;
  box-shadow: 0 0 8px var(--ok);
  animation: pulse-ok 2.4s ease-in-out infinite;
}
@keyframes pulse-ok {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero-h1 {
  margin-bottom: 24px;
  max-width: 16ch;
  letter-spacing: -0.035em;
}
.hero-h1 em {
  font-style: normal;
  color: var(--accent);
  font-weight: 600;
  position: relative;
}
.hero-h1 em::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--accent);
  opacity: 0.35;
}
.hero-sub { margin-bottom: 32px; }

.hero-cta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}
.hero-cta-note {
  color: var(--muted);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: 6px;
}

/* === HERO STAGE: netmap + cli === */
.hero-stage {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 16px;
  margin-bottom: 64px;
  border: 1px solid var(--border);
  background: var(--bg-1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 420px;
}
.hero-stage-left { position: relative; border-right: 1px solid var(--border); min-height: 420px; }
.hero-stage-right { position: relative; }

.netmap {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.netmap-svg {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
}
.netmap-corner {
  position: absolute;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--muted-2);
  padding: 12px 14px;
  pointer-events: none;
  text-transform: uppercase;
}
.netmap-corner.tl { top: 0; left: 0; }
.netmap-corner.tr { top: 0; right: 0; }
.netmap-corner.bl { bottom: 0; left: 0; }
.netmap-corner.br { bottom: 0; right: 0; }

.netmap-node {
  position: absolute;
  transform: translate(-50%, -50%);
  background: none;
  border: 0;
  cursor: pointer;
  font-family: var(--mono);
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 0;
}
.netmap-node .dot {
  width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 50%;
  position: relative;
  box-shadow: 0 0 0 1.5px var(--bg-1), 0 0 14px rgba(198, 244, 50, 0.4);
  transition: all .15s ease;
}
.netmap-node .dot::after {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  opacity: 0;
  animation: ring 3s ease-out infinite;
}
.netmap-node.idle .dot { background: var(--warn); box-shadow: 0 0 0 1.5px var(--bg-1), 0 0 14px rgba(245, 185, 70, 0.35); }
.netmap-node.idle .dot::after { border-color: var(--warn); }
.netmap-node .label {
  font-size: 9.5px;
  letter-spacing: 0.04em;
  background: var(--bg-1);
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid var(--border);
  white-space: nowrap;
  transition: all .15s ease;
}
.netmap-node:hover .dot, .netmap-node.active .dot {
  transform: scale(1.4);
  box-shadow: 0 0 0 1.5px var(--bg-1), 0 0 20px rgba(198, 244, 50, 0.7);
}
.netmap-node:hover .label, .netmap-node.active .label {
  border-color: var(--accent);
  color: var(--text);
}
@keyframes ring {
  0% { transform: scale(0.6); opacity: 0.8; }
  100% { transform: scale(2.4); opacity: 0; }
}
.pulse-line {
  stroke-dasharray: 1.5 100;
  animation: dash 1.4s linear forwards;
  opacity: 0.85;
}
@keyframes dash {
  0% { stroke-dashoffset: 100; opacity: 0; }
  20% { opacity: 0.9; }
  100% { stroke-dashoffset: 0; opacity: 0; }
}

/* CLI PANEL */
.cli-panel {
  padding: 16px 18px;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.cli-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 14px;
}
.cli-dots { display: inline-flex; gap: 5px; }
.cli-dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--surface-2); display: inline-block; }
.cli-title {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-transform: lowercase;
}
.cli-cur {
  margin-left: auto;
  font-size: 11px;
  color: var(--accent);
}
.cli-body { font-size: 12.5px; line-height: 1.65; flex: 1; }
.cli-row { display: flex; align-items: baseline; gap: 8px; }
.cli-prompt { color: var(--accent); }
.cli-cmd { color: var(--text); }
.cli-out { margin: 10px 0 14px; color: var(--text-dim); }
.cli-out div { display: grid; grid-template-columns: 80px 1fr; gap: 12px; }
.cli-out .k { color: var(--muted); }
.cli-out .v { color: var(--text); }
.cli-out .status-online { color: var(--ok); }
.cli-out .status-idle { color: var(--warn); }
.cli-out .bar { display: inline-block; width: 60px; height: 5px; background: var(--surface-2); border-radius: 2px; margin-left: 6px; vertical-align: middle; overflow: hidden; }
.cli-out .bar i { display: block; height: 100%; background: var(--accent); }
.cli-cursor {
  background: var(--accent);
  color: var(--accent);
  width: 7px;
  height: 14px;
  display: inline-block;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* HERO STRIP */
.hero-strip {
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  padding: 18px 0;
  display: flex;
  align-items: center;
  gap: 32px;
}
.hero-strip-logos {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
  flex: 1;
}
.fake-logo {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.18em;
  font-weight: 500;
}

/* ====== SECTION HEAD ====== */
.section-head { margin-bottom: 56px; max-width: 720px; }
.section-head h2 { margin-top: 16px; letter-spacing: -0.025em; }

/* ====== FEATURES ====== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}
.feature {
  padding: 32px 28px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  transition: background .2s ease;
}
.feature:hover { background: var(--surface); }
.feature-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 14px; }
.feature-code { color: var(--accent); font-size: 11px; letter-spacing: 0.1em; }
.feature h3 { font-size: 18px; font-weight: 600; }
.feature-body { color: var(--text-dim); font-size: 14.5px; line-height: 1.6; margin-bottom: 20px; }
.feature-detail {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 10.5px;
  color: var(--muted);
  letter-spacing: 0.04em;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
}
.feature-detail span::before { content: "› "; color: var(--accent); }

/* ====== HOW IT WORKS ====== */
.how { background: var(--bg-1); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
.steps { display: flex; flex-direction: column; }
.step {
  display: grid;
  grid-template-columns: 80px 1fr 1.2fr;
  gap: 32px;
  padding: 36px 0;
  border-top: 1px solid var(--border);
  align-items: start;
}
.step:last-child { border-bottom: 1px solid var(--border); }
.step-meta { display: flex; flex-direction: column; align-items: center; height: 100%; }
.step-n { color: var(--accent); font-size: 13px; letter-spacing: 0.1em; }
.step-rule { width: 1px; flex: 1; background: var(--border); margin-top: 14px; }
.step-body h3 { font-size: 22px; margin-bottom: 6px; }
.step-code {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  font-size: 12.5px;
  color: var(--text-dim);
  line-height: 1.7;
  margin: 0;
  white-space: pre-wrap;
  font-family: var(--mono);
}

/* ====== USE CASES ====== */
.usecases { padding-bottom: 64px; }
.case-tabs {
  display: flex;
  gap: 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}
.case-tab {
  background: none;
  border: 0;
  border-right: 1px solid var(--border);
  padding: 20px 24px;
  display: flex;
  align-items: baseline;
  gap: 12px;
  cursor: pointer;
  flex: 1;
  text-align: left;
  color: var(--text-dim);
  transition: all .15s ease;
  font-family: var(--sans);
  position: relative;
}
.case-tab:last-child { border-right: 0; }
.case-tab:hover { background: var(--surface); color: var(--text); }
.case-tab.active { background: var(--surface-2); color: var(--text); }
.case-tab.active::before {
  content: "";
  position: absolute;
  top: -1px; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
}
.case-tab-num { color: var(--accent); font-size: 11px; letter-spacing: 0.1em; }
.case-tab-label { font-size: 13px; letter-spacing: 0.04em; font-weight: 500; }

.case-panel {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  padding: 8px 0 0;
}
.case-title { font-size: 28px; margin-bottom: 24px; letter-spacing: -0.025em; }
.case-points { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 14px; }
.case-points li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  color: var(--text-dim);
  font-size: 15.5px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--border);
}
.case-tick { color: var(--accent); font-size: 14px; }
.case-quote {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent);
  padding: 28px;
  border-radius: var(--radius-lg);
}
.case-quote p {
  font-size: 18px;
  line-height: 1.5;
  color: var(--text);
  font-weight: 400;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}
.case-persona { color: var(--muted); font-size: 11.5px; letter-spacing: 0.06em; text-transform: uppercase; }

/* ====== FINAL CTA ====== */
.final-cta { padding: 32px 0 96px; }
.cta-box {
  border: 1px solid var(--border);
  background: var(--bg-1);
  border-radius: var(--radius-lg);
  padding: 64px;
  position: relative;
  overflow: hidden;
}
.cta-box-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(198, 244, 50, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(198, 244, 50, 0.06) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse at 70% 30%, rgba(0,0,0,0.9), transparent 70%);
  pointer-events: none;
}

/* ====== RESPONSIVE ====== */
@media (max-width: 1024px) {
  .hero-stage { grid-template-columns: 1fr; }
  .hero-stage-left { border-right: 0; border-bottom: 1px solid var(--border); min-height: 360px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .case-panel { grid-template-columns: 1fr; gap: 32px; }
  .step { grid-template-columns: 60px 1fr; }
  .step .step-code { grid-column: 1 / -1; }
}
@media (max-width: 680px) {
  .feature-grid { grid-template-columns: 1fr; }
  .case-tabs { flex-direction: column; }
  .case-tab { border-right: 0; border-bottom: 1px solid var(--border); }
  .cta-box { padding: 32px 24px; }
  .hero-h1 { font-size: 40px; }
}