/* ==========================================================================
   HERO
   ========================================================================== */

.hero {
  padding: 96px var(--edge) 80px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
  max-width: var(--container);
  margin-inline: auto;
}

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; padding-top: 56px; }
}

.hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5.2vw, 4.1rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
  color: var(--ink-000);
  margin: 22px 0 24px;
}

.hero-copy .lede {
  font-size: clamp(1.02rem, 1.4vw, 1.2rem);
  color: var(--ink-300);
  max-width: 46ch;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-meta {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-500);
}
.hero-meta span { display: inline-flex; align-items: center; gap: 7px; }
.hero-meta .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--signal-ok); box-shadow: 0 0 8px var(--signal-ok); }

/* --- Hero visual: the rollback console -------------------------------- */

.hero-visual {
  position: relative;
}

.console {
  background: linear-gradient(180deg, var(--bg-panel), var(--bg-raised));
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-lg);
  box-shadow: 0 40px 80px -40px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.02) inset;
  overflow: hidden;
  transform: perspective(1400px) rotateY(-4deg) rotateX(1deg);
}

@media (max-width: 980px) {
  .console { transform: none; }
}

.console-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--hairline);
  background: rgba(255,255,255,0.015);
}
.console-bar .cdot { width: 10px; height: 10px; border-radius: 50%; background: var(--ink-700); }
.console-bar .cdot:nth-child(1) { background: #f0576a; opacity: 0.7; }
.console-bar .cdot:nth-child(2) { background: #f0b429; opacity: 0.7; }
.console-bar .cdot:nth-child(3) { background: #34d399; opacity: 0.7; }
.console-bar .ctitle {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-500);
}

.console-body { padding: 22px; }

.op-row {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 14px;
  padding: 13px 14px;
  border-radius: 10px;
  font-family: var(--font-mono);
  font-size: 12.8px;
  border: 1px solid transparent;
  transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.op-row + .op-row { margin-top: 6px; }
.op-row:hover { border-color: var(--hairline-strong); background: rgba(255,255,255,0.02); }

.op-status {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--signal-ok);
}
.op-row[data-state="rolled-back"] .op-status { background: var(--signal-warn); }

.op-name { color: var(--ink-100); }
.op-time { color: var(--ink-700); }

.op-undo {
  font-size: 11.5px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--hairline-strong);
  color: var(--ink-300);
  transition: all var(--dur-fast) var(--ease-out);
}
.op-undo:hover {
  color: #fff;
  border-color: var(--brand-accent);
  background: rgba(6, 182, 212, 0.14);
}
.op-undo:disabled {
  opacity: 0.4;
  cursor: default;
}

.console-divider {
  height: 1px;
  background: var(--hairline);
  margin: 16px 0;
}

.console-diff {
  font-family: var(--font-mono);
  font-size: 12.3px;
  line-height: 1.8;
  border-radius: 10px;
  background: var(--bg-void);
  border: 1px solid var(--hairline);
  padding: 14px 16px;
}
.console-diff .del { color: var(--signal-danger); opacity: 0.9; display: block; }
.console-diff .add { color: var(--signal-ok); opacity: 0.9; display: block; }
.console-diff .ctx { color: var(--ink-700); display: block; }

.console-diff .del.is-hidden,
.console-diff .add.is-hidden { display: none; }

/* ==========================================================================
   SECTION SCAFFOLDING
   ========================================================================== */

.section {
  padding: 108px var(--edge);
  max-width: var(--container);
  margin-inline: auto;
}

/* A faint tint on alternating sections (applied explicitly via .tint in
   markup, rather than nth-of-type, since not every <section> carries
   .section), just enough to break long scroll into readable "rooms"
   without hard dividers or a different background color per section. */
.section.tint {
  position: relative;
}
.section.tint::before {
  content: "";
  position: absolute;
  inset: 0 calc(-1 * var(--edge));
  background: linear-gradient(180deg, transparent, rgba(160, 172, 194, 0.03) 10%, rgba(160, 172, 194, 0.03) 90%, transparent);
  z-index: -1;
  pointer-events: none;
}

.section-head {
  max-width: 640px;
  margin-bottom: 56px;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.4vw, 2.7rem);
  color: var(--ink-000);
  line-height: 1.12;
  margin-top: 16px;
  letter-spacing: -0.01em;
}

.section-head p {
  color: var(--ink-300);
  font-size: 1.04rem;
  margin-top: 16px;
  max-width: 56ch;
}

/* ==========================================================================
   PROBLEM SECTION
   ========================================================================== */

.problem {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: start;
}

@media (max-width: 900px) {
  .problem { grid-template-columns: 1fr; }
}

.problem-scenario {
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-lg);
  background: var(--bg-panel);
  padding: 4px;
  position: relative;
}

.scenario-frame {
  border-radius: calc(var(--radius-lg) - 4px);
  overflow: hidden;
  background: var(--bg-void);
}

.scenario-log {
  font-family: var(--font-mono);
  font-size: 12.6px;
  padding: 22px;
  line-height: 2;
}

.scenario-log .line { display: flex; gap: 10px; color: var(--ink-500); }
.scenario-log .line .tag { color: var(--brand-accent-soft); flex-shrink: 0; }
.scenario-log .line.bad .tag { color: var(--signal-danger); }
.scenario-log .line.bad { color: var(--ink-100); }

.scenario-log .crack {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--hairline-strong);
  color: var(--signal-danger);
}

.problem-points { display: flex; flex-direction: column; gap: 28px; }

.problem-point { display: flex; gap: 18px; }
.problem-point .num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-700);
  padding-top: 3px;
}
.problem-point h3 {
  font-size: 1.08rem;
  color: var(--ink-000);
  margin-bottom: 8px;
}
.problem-point p { color: var(--ink-300); font-size: 0.98rem; }

/* ==========================================================================
   HOW IT WORKS, pipeline diagram
   ========================================================================== */

.pipeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

@media (max-width: 900px) {
  .pipeline { grid-template-columns: 1fr; gap: 28px; }
}

.pipeline-rail {
  position: absolute;
  top: 27px;
  left: 6%;
  right: 6%;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-primary), var(--brand-accent));
  opacity: 0.35;
}

@media (max-width: 900px) {
  .pipeline-rail { display: none; }
}

.pipeline-step {
  position: relative;
  padding-right: 24px;
}

.pipeline-step .step-node {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--bg-panel);
  border: 1px solid var(--hairline-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--brand-accent-soft);
  margin-bottom: 22px;
  position: relative;
  z-index: 1;
}

.pipeline-step[data-fail="true"] .step-node {
  border-color: var(--signal-danger);
  color: var(--signal-danger);
}

.pipeline-step h3 {
  font-size: 1.05rem;
  color: var(--ink-000);
  margin-bottom: 10px;
}

.pipeline-step p {
  color: var(--ink-300);
  font-size: 0.93rem;
  max-width: 26ch;
}

.pipeline-step code {
  display: inline-block;
  margin-top: 10px;
}

/* ==========================================================================
   FEATURES GRID
   ========================================================================== */

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

@media (max-width: 900px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .features-grid { grid-template-columns: 1fr; }
}

.feature-card {
  background: var(--bg-panel);
  padding: 32px 28px;
  transition: background var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
  position: relative;
}
.feature-card:hover {
  background: var(--bg-panel-2);
  transform: translateY(-3px);
  z-index: 2;
}

.feature-card .ficon {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background: linear-gradient(135deg, rgba(37,99,235,0.16), rgba(6,182,212,0.16));
  border: 1px solid rgba(6, 182, 212, 0.16);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--brand-accent-soft);
  box-shadow: 0 1px 0 rgba(255,255,255,0.04) inset;
  transition: transform var(--dur-fast) var(--ease-spring), border-color var(--dur-fast) var(--ease-out);
}
.feature-card:hover .ficon {
  transform: scale(1.08) rotate(-4deg);
  border-color: rgba(6, 182, 212, 0.4);
}
.feature-card .ficon svg { width: 19px; height: 19px; }

.feature-card h3 {
  font-size: 1.04rem;
  color: var(--ink-000);
  margin-bottom: 10px;
}
.feature-card p { color: var(--ink-300); font-size: 0.93rem; }

/* ==========================================================================
   UNDO DEMO ("watch it undo")
   ========================================================================== */

.undo-demo {
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--bg-panel), var(--bg-raised));
  padding: 8px;
  overflow: hidden;
}

.undo-demo-inner {
  border-radius: calc(var(--radius-lg) - 8px);
  background: var(--bg-void);
  padding: clamp(24px, 4vw, 48px);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
}

@media (max-width: 760px) {
  .undo-demo-inner { grid-template-columns: 1fr; }
}

.undo-page {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 22px;
  background: var(--bg-base);
  min-height: 220px;
}

.undo-page .fake-h1 {
  height: 20px;
  width: 70%;
  border-radius: 5px;
  background: linear-gradient(90deg, var(--ink-100), var(--ink-300));
  margin-bottom: 14px;
  opacity: 0.85;
}
.undo-page .fake-line { height: 9px; border-radius: 4px; background: var(--hairline-strong); margin-bottom: 9px; }
.undo-page .fake-line.short { width: 60%; }

.undo-page.is-wrecked .fake-h1 {
  background: linear-gradient(90deg, var(--signal-danger), #ff8a9a);
  width: 40%;
}
.undo-page.is-wrecked .fake-line {
  background: rgba(240, 87, 106, 0.25);
}
.undo-page.is-wrecked::after {
  content: "500: Fatal error, undefined block";
  display: block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--signal-danger);
}

.undo-control {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.undo-button {
  width: 74px;
  height: 74px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 16px 34px -14px rgba(37,99,235,0.65);
  transition: transform var(--dur-fast) var(--ease-spring);
}
.undo-button:hover { transform: scale(1.07) rotate(-8deg); }
.undo-button:active { transform: scale(0.96); }
.undo-button svg { width: 30px; height: 30px; }

.undo-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-500);
  text-align: center;
}

.undo-page-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-700);
  margin-bottom: 12px;
}

/* ==========================================================================
   TOOLS TABLE
   ========================================================================== */

.tools-table-wrap {
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-lg);
  overflow: auto;
  background: var(--bg-panel);
}

table.tools-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.tools-table th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-500);
  padding: 16px 20px;
  border-bottom: 1px solid var(--hairline-strong);
}

.tools-table td {
  padding: 15px 20px;
  border-bottom: 1px solid var(--hairline);
  font-size: 13.8px;
  color: var(--ink-300);
  vertical-align: top;
}

.tools-table tr:last-child td { border-bottom: none; }

.tools-table code { white-space: nowrap; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--hairline-strong);
  white-space: nowrap;
}
.pill-read { color: var(--ink-300); }
.pill-write { color: var(--signal-warn); border-color: rgba(240,180,41,0.35); }
.pill-safe { color: var(--signal-ok); border-color: rgba(52,211,153,0.35); }

/* ==========================================================================
   PRICING
   ========================================================================== */

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 760px) {
  .pricing-grid { grid-template-columns: 1fr; }
}

.price-card {
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-lg);
  padding: 36px;
  background: var(--bg-panel);
  position: relative;
  transition: border-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}

.price-card:not(.is-pro) {
  background: linear-gradient(160deg, var(--bg-panel), rgba(61, 220, 155, 0.05));
}
.price-card:not(.is-pro):hover {
  border-color: rgba(61, 220, 155, 0.35);
  transform: translateY(-2px);
}

.price-card.is-pro {
  background: linear-gradient(160deg, var(--bg-panel), rgba(37,99,235,0.08));
  border-color: rgba(37, 99, 235, 0.4);
}
.price-card.is-pro:hover { transform: translateY(-2px); }

.price-card .ptag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-500);
}
.price-card:not(.is-pro) .ptag { color: var(--signal-ok); }
.price-card.is-pro .ptag { color: var(--brand-accent-soft); }

.price-card .pname {
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--ink-000);
  margin: 10px 0 6px;
}

.price-card .pnote { color: var(--ink-500); font-size: 0.9rem; margin-bottom: 24px; }

.price-list { display: flex; flex-direction: column; gap: 13px; margin-bottom: 28px; }
.price-list li { display: flex; gap: 10px; font-size: 0.94rem; color: var(--ink-300); align-items: flex-start; }
.price-list svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 3px; color: var(--signal-ok); }
.price-card.is-pro .price-list svg { color: var(--brand-accent-soft); }

.pro-badge {
  position: absolute;
  top: 36px;
  right: 36px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(6,182,212,0.14);
  color: var(--brand-accent-soft);
  border: 1px solid rgba(6,182,212,0.3);
}

/* ==========================================================================
   FINAL CTA
   ========================================================================== */

.final-cta {
  text-align: center;
  border-radius: var(--radius-lg);
  padding: clamp(48px, 8vw, 88px) clamp(24px, 6vw, 64px);
  background:
    radial-gradient(60% 120% at 50% 0%, rgba(37,99,235,0.22), transparent 70%),
    var(--bg-panel);
  border: 1px solid var(--hairline-strong);
  position: relative;
  overflow: hidden;
}

.final-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  color: var(--ink-000);
  max-width: 20ch;
  margin-inline: auto 24px;
  line-height: 1.14;
}

.final-cta p {
  color: var(--ink-300);
  max-width: 50ch;
  margin: 18px auto 32px;
}

.final-cta .hero-actions { justify-content: center; margin-bottom: 0; }

.final-cta .install-cmd {
  margin: 28px auto 0;
  display: inline-block;
  text-align: left;
}

/* ==========================================================================
   REVEAL ON SCROLL
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}