/* ========= Vibe11 Marketing Site — paper spec-sheet ========= */

:root {
  --paper: #f7f4ee;
  --paper-raise: #fffdf9;
  --ink: #191512;
  --text: #23201a;
  --text-dim: #5f594e;
  --text-faint: #9a917c;
  --border: #e3dcca;
  --border-strong: #cbc2a9;
  --accent: #d9560b;
  --accent-deep: #b8490a;
  --danger: #c92f4c;
  --ok: #178a4c;
  /* the terminal keeps its own dark world */
  --term-bg: #16120d;
  --term-border: #2c261c;
  --term-dim: #a49a88;
  --term-faint: #6b6252;
  --term-hl: #f3efe7;
  --term-ok: #4cd97b;
  --term-accent: #ff9e2c;
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --pad: clamp(1.2rem, 4vw, 3.5rem);
  --frame-w: 1280px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* The frame: a ruled document column */
.frame {
  max-width: var(--frame-w);
  margin: 0 auto;
  border-inline: 1px solid var(--border);
}

h1, h2, h3 { line-height: 1.02; letter-spacing: -0.04em; font-weight: 800; color: var(--ink); }
h1 { font-size: clamp(3.2rem, 9vw, 7rem); }
h2 { font-size: clamp(2.1rem, 4.5vw, 3.6rem); }
h3 { font-size: 1.15rem; font-weight: 700; letter-spacing: -0.01em; }

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

.lede {
  color: var(--text-dim);
  font-size: 1.1rem;
  max-width: 38rem;
  margin-top: 1.4rem;
}

::selection { background: rgba(217, 86, 11, 0.18); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.7rem 1.3rem;
  border-radius: 3px;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover { background: var(--accent); color: #fff; }

.btn-ghost {
  border-color: var(--border-strong);
  color: var(--ink);
  background: transparent;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-lg { padding: 0.9rem 1.7rem; font-size: 0.85rem; }

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background 0.25s ease, border-color 0.25s ease;
}
.nav.scrolled {
  background: rgba(247, 244, 238, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--border);
}
.nav-inner {
  max-width: var(--frame-w);
  margin: 0 auto;
  padding: 0.85rem var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.logo-mark { width: 20px; height: 22px; display: block; }
.logo-11 { color: var(--accent); }

.nav-links { display: flex; gap: 1.6rem; }
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.15s;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }

.nav-right { display: flex; align-items: center; gap: 1.4rem; }
.status {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-faint);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}
.status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ok);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }

/* ---------- Hero ---------- */
.hero {
  padding: 9.5rem var(--pad) 5rem;
  position: relative;
}
.hero::before {
  content: "";
  position: absolute;
  top: 0; left: 12%;
  width: 44rem; height: 30rem;
  background: radial-gradient(closest-side, rgba(217, 86, 11, 0.05), transparent 70%);
  pointer-events: none;
}

.hero-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--text-dim);
  margin-bottom: 2.4rem;
}
.meta-marker { color: var(--accent); margin-right: 0.5rem; }
.meta-sep { color: var(--text-faint); margin: 0 0.5rem; }

.hero h1 { position: relative; }

.hero-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
  margin-top: 3.2rem;
}

.hero-copy p {
  color: var(--text-dim);
  font-size: 1.08rem;
  max-width: 34rem;
}
.hero-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

/* ---------- Terminal (stays dark on purpose) ---------- */
.terminal {
  background: var(--term-bg);
  border: 1px solid var(--term-border);
  border-radius: 4px;
  box-shadow: 0 18px 44px rgba(25, 21, 18, 0.18);
}
.terminal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 1rem;
  border-bottom: 1px solid var(--term-border);
}
.terminal-title, .terminal-live {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--term-faint);
}
.terminal-live { color: var(--term-ok); }
.terminal-body {
  padding: 1.1rem 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 2.1;
  color: var(--term-dim);
}
.terminal-body p { opacity: 0; animation: t-line 0.4s ease forwards; }
.terminal-body p:nth-child(1) { animation-delay: 0.3s; }
.terminal-body p:nth-child(2) { animation-delay: 1.0s; }
.terminal-body p:nth-child(3) { animation-delay: 1.7s; }
.terminal-body p:nth-child(4) { animation-delay: 2.4s; }
.terminal-body p:nth-child(5) { animation-delay: 3.1s; }
@keyframes t-line { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.t-time { color: var(--term-faint); margin-right: 0.35rem; }
.t-ok { color: var(--term-ok); }
.t-run { color: var(--term-accent); }
.t-hl { color: var(--term-hl); font-weight: 500; }
.cursor { color: var(--term-accent); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Ticker ---------- */
.ticker {
  display: flex;
  align-items: baseline;
  gap: clamp(1.2rem, 3vw, 2.6rem);
  flex-wrap: wrap;
  padding: 1.1rem var(--pad);
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}
.ticker-label {
  font-size: 0.68rem;
  color: var(--text-faint);
  letter-spacing: 0.2em;
}

/* ---------- Section chrome ---------- */
.sec-head {
  display: flex;
  align-items: baseline;
  gap: 1.4rem;
  padding: 1rem var(--pad);
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}
.sec-idx { color: var(--accent); }
.sec-name { color: var(--ink); }
.sec-note { margin-left: auto; color: var(--text-faint); letter-spacing: 0.14em; text-align: right; }

.sec-body { padding: 3.5rem var(--pad) 5rem; }

/* ---------- Problem ledger ---------- */
.ledger { margin-top: 3rem; }

.ledger-head,
.ledger-row {
  display: grid;
  grid-template-columns: 0.7fr 1.15fr 1.15fr;
  gap: clamp(1.2rem, 3vw, 2.8rem);
}

.ledger-head {
  padding-bottom: 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-faint);
}
.ledger-head span:nth-child(2) { color: var(--danger); }
.ledger-head span:nth-child(3) { color: var(--accent); }

.ledger-row {
  padding: 1.7rem 0;
  border-top: 1px solid var(--border);
}
.l-day1 {
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--text-dim);
}
.l-day30 h3 { color: var(--danger); margin-bottom: 0.45rem; }
.l-day30 p { color: var(--text-dim); font-size: 0.94rem; }
.l-answer p { color: var(--text); font-size: 0.97rem; }

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.6rem, 4vw, 3.5rem);
}
.stat { display: flex; flex-direction: column; }
.stat + .stat { border-left: 1px solid var(--border); padding-left: clamp(1.6rem, 4vw, 3.5rem); }

.stat-key {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--danger);
}
.stat-num {
  font-family: var(--font-mono);
  font-size: clamp(3rem, 6vw, 4.6rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1.05;
  color: var(--ink);
  margin-top: 0.9rem;
}
.stat p {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin-top: 0.7rem;
  max-width: 20rem;
}
.stat-src {
  margin-top: auto;
  padding-top: 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
}

/* ---------- Operating model ---------- */
.ops { list-style: none; margin-top: 3rem; }
.op {
  display: grid;
  grid-template-columns: minmax(5rem, 0.35fr) 1fr;
  gap: clamp(1.2rem, 3vw, 2.8rem);
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}
.op-num {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--accent);
}
.op-copy { max-width: 40rem; }
.op-copy h3 { margin-bottom: 0.5rem; font-size: 1.3rem; }
.op-copy p { color: var(--text-dim); font-size: 0.98rem; }

/* ---------- Integrations page ---------- */
.page-hero {
  padding: 9.5rem var(--pad) 4.5rem;
}
.page-hero h1 { font-size: clamp(2.8rem, 6.5vw, 5rem); }

.int-rows { border-top: 1px solid var(--border); }
.int-row {
  display: grid;
  grid-template-columns: minmax(11rem, 0.5fr) 1fr;
  gap: clamp(1.2rem, 3vw, 2.8rem);
  align-items: start;
  padding: 1.6rem var(--pad);
  border-bottom: 1px solid var(--border);
}
.int-cat {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  padding-top: 0.55rem;
}
.int-tools { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  color: var(--text);
  background: var(--paper-raise);
}
.chip img { width: 14px; height: 14px; opacity: 0.85; }

.brain-diagram {
  margin-top: 2.8rem;
  border: 1px solid var(--border);
  background: var(--paper-raise);
  border-radius: 4px;
  padding: clamp(0.8rem, 2vw, 1.6rem);
}
.brain-diagram svg { display: block; width: 100%; height: auto; }

.teaser-tools { margin-top: 2.4rem; }
.teaser-actions { margin-top: 2.2rem; }
.chip-more { border-style: dashed; color: var(--text-faint); }

.brain {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.6rem, 4vw, 3.5rem);
  margin-top: 3rem;
}
.brain-item h3 {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 0.8rem;
}
.brain-item p { color: var(--text-dim); font-size: 0.97rem; }

/* ---------- CTA ---------- */
.cta .sec-body { padding-bottom: 6rem; }
.cta-copy { max-width: 44rem; }

.cta-form {
  display: flex;
  gap: 0.7rem;
  margin-top: 2.4rem;
  flex-wrap: wrap;
}
.cta-form input {
  flex: 1 1 16rem;
  max-width: 24rem;
  padding: 0.9rem 1.1rem;
  border-radius: 3px;
  border: 1px solid var(--border-strong);
  background: var(--paper-raise);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.15s ease;
}
.cta-form input::placeholder { color: var(--text-faint); }
.cta-form input:focus { border-color: var(--accent); }

.cta-note {
  margin-top: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-faint);
}
.cta-note.success { color: var(--ok); }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); }
.footer-inner {
  max-width: var(--frame-w);
  margin: 0 auto;
  padding: 1.6rem var(--pad);
  border-inline: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-faint);
}
.footer-inner a:not(.logo) {
  color: var(--text-dim);
  text-decoration: none;
}
.footer-inner a:not(.logo):hover { color: var(--accent); }

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .terminal-body p { opacity: 1; animation: none; }
  .status-dot { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-split { grid-template-columns: 1fr; align-items: start; }
  .ledger-head { display: none; }
  .ledger-row { grid-template-columns: 1fr; gap: 1rem; }
  .l-day1 {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--text-faint);
  }
  .stats { grid-template-columns: 1fr; }
  .stat + .stat { border-left: none; padding-left: 0; border-top: 1px solid var(--border); padding-top: 1.6rem; }
  .brain { grid-template-columns: 1fr; }
  .int-row { grid-template-columns: 1fr; gap: 0.9rem; }
  .int-cat { padding-top: 0; }
  .nav-links, .status { display: none; }
  .hero, .page-hero { padding-top: 7.5rem; }
  .sec-note { display: none; }
  .sec-body { padding-top: 2.6rem; padding-bottom: 3.5rem; }
}