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

:root {
  --ink: #1A1A18;
  --ink-mid: #52524E;
  --ink-faint: #8F8F8A;
  --white: #FFFFFF;
  --off-white: #F7F5F0;
  --stone: #EDEAE3;
  --accent: #00B37E;          /* emerald green — techy, premium, founder-coded */
  --accent-dim: #00956A;
  --accent-bg: #E6F7F2;
  --coral: #E8533A;            /* CTA only */
  --coral-hover: #D04530;
  --border: rgba(26,26,24,0.1);
  --font: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--white);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  height: 58px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2.5rem;
  background: rgba(255,255,255,0.93);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 0.95rem; font-weight: 800; color: var(--ink);
  text-decoration: none; display: flex; align-items: center; gap: 7px;
  letter-spacing: -0.02em;
}

.logo-mark {
  width: 22px; height: 22px; border-radius: 6px;
  background: var(--ink); display: flex; align-items: center; justify-content: center;
}

.logo-mark svg { width: 12px; height: 12px; }

.nav-links {
  display: flex; gap: 2rem; list-style: none;
  font-size: 0.84rem; font-weight: 500; color: var(--ink-mid);
}
.nav-links a { color: inherit; text-decoration: none; transition: color .15s; }
.nav-links a:hover { color: var(--ink); }

.nav-ai-badge {
  font-family: var(--mono); font-size: 0.65rem; font-weight: 500;
  color: var(--accent); background: var(--accent-bg);
  padding: 0.2rem 0.6rem; border-radius: 4px;
  border: 1px solid rgba(0,179,126,0.2);
  letter-spacing: 0.02em;
}

.nav-cta {
  font-size: 0.82rem; font-weight: 700;
  color: white; background: var(--coral);
  padding: 0.5rem 1.2rem; border-radius: 100px;
  text-decoration: none; transition: background .15s, transform .1s;
  display: inline-block;
}
.nav-cta:hover { background: var(--coral-hover); transform: translateY(-1px); }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  background: var(--off-white);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 7rem 2rem 5rem;
  text-align: center;
  position: relative; overflow: hidden;
}

/* Subtle grid bg */
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(26,26,24,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,26,24,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 40%, transparent 100%);
}

.hero-ai-tag {
  font-family: var(--mono); font-size: 0.68rem; font-weight: 500;
  color: var(--accent); background: var(--accent-bg);
  padding: 0.3rem 0.75rem; border-radius: 100px;
  border: 1px solid rgba(0,179,126,0.25);
  margin-bottom: 2rem; letter-spacing: 0.02em;
  display: inline-block;
  opacity: 0; animation: fadeUp .5s ease forwards .1s;
}

/* Typewriter prompt area */
.prompt-container {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem 1.5rem;
  display: inline-flex; align-items: center; gap: 0.75rem;
  margin-bottom: 2.5rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  min-width: 480px; max-width: 680px;
  opacity: 0; animation: fadeUp .5s ease forwards .2s;
  position: relative;
}

.prompt-label {
  font-family: var(--mono); font-size: 0.72rem; font-weight: 500;
  color: var(--ink-faint); white-space: nowrap; flex-shrink: 0;
}

.prompt-text {
  font-family: var(--mono); font-size: 0.9rem; font-weight: 500;
  color: var(--ink); flex: 1; text-align: left;
  display: flex; align-items: center; gap: 0;
}

.prompt-static { color: var(--ink-mid); }

.prompt-dynamic {
  color: var(--accent); font-weight: 600;
  position: relative;
}

.cursor {
  display: inline-block; width: 2px; height: 1em;
  background: var(--accent); margin-left: 1px; vertical-align: middle;
  animation: blink .9s step-end infinite;
}

@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.prompt-enter {
  font-family: var(--mono); font-size: 0.65rem; font-weight: 500;
  color: var(--ink-faint);
  background: var(--stone); border-radius: 4px;
  padding: 0.2rem 0.4rem; white-space: nowrap; flex-shrink: 0;
}

/* Building status line — absolutely positioned under prompt, zero layout impact */
.building-status {
  position: absolute;
  bottom: -1.75rem; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 0.5rem;
  font-family: var(--mono); font-size: 0.68rem; color: var(--accent);
  white-space: nowrap;
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s ease;
}

.building-status.active { opacity: 1; }

.building-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.4;transform:scale(.8)} }

/* Hero headline */
.hero h1 {
  font-size: clamp(2.6rem, 6vw, 5.5rem);
  font-weight: 800; line-height: 1.05; letter-spacing: -0.04em;
  color: var(--ink); max-width: 780px;
  margin-left: auto; margin-right: auto;
  opacity: 0; animation: fadeUp .6s ease forwards .35s;
}

.hero h1 .accent { color: var(--accent); }

.hero-sub {
  font-size: 1rem; color: var(--ink-mid);
  max-width: 460px; line-height: 1.7;
  margin: 1.25rem auto 0;
  opacity: 0; animation: fadeUp .6s ease forwards .5s;
}

.hero-actions {
  display: flex; align-items: center; gap: 0.75rem;
  margin-top: 2rem; flex-wrap: wrap; justify-content: center;
  opacity: 0; animation: fadeUp .6s ease forwards .65s;
}

.btn-cta {
  font-size: 0.9rem; font-weight: 700;
  color: white; background: var(--coral);
  padding: 0.8rem 1.75rem; border-radius: 100px;
  text-decoration: none; border: none; cursor: pointer;
  transition: background .15s, transform .1s; display: inline-block;
}
.btn-cta:hover { background: var(--coral-hover); transform: translateY(-1px); }

.btn-ghost {
  font-size: 0.88rem; font-weight: 600; color: var(--ink-mid);
  background: transparent; border: 1.5px solid var(--border);
  padding: 0.78rem 1.6rem; border-radius: 100px;
  text-decoration: none; transition: border-color .15s, color .15s;
  display: inline-block;
}
.btn-ghost:hover { border-color: var(--ink-mid); color: var(--ink); }

.hero-note {
  font-size: 0.75rem; color: var(--ink-faint);
  margin-top: 0.85rem;
  opacity: 0; animation: fadeUp .6s ease forwards .8s;
}

/* ── PROOF ── */
.proof {
  display: grid; grid-template-columns: repeat(4,1fr);
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  background: var(--white);
}
.proof-item {
  padding: 1.75rem 2rem;
  border-right: 1px solid var(--border);
  text-align: center;
}
.proof-item:last-child { border-right: none; }
.proof-num {
  font-size: 1.9rem; font-weight: 800; letter-spacing: -0.04em;
  color: var(--ink); display: block; line-height: 1;
}
.proof-label {
  font-size: 0.76rem; color: var(--ink-faint);
  margin-top: 0.25rem; display: block; font-weight: 500;
}

/* ── SHARED SECTION ── */
.section { padding: 5rem 2.5rem; }
.inner { max-width: 1060px; margin: 0 auto; }

.tag {
  display: inline-block;
  font-family: var(--mono); font-size: 0.65rem; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  background: var(--stone); color: var(--ink-mid);
  padding: 0.22rem 0.65rem; border-radius: 4px;
  margin-bottom: 1.1rem;
}

.section-h2 {
  font-size: clamp(1.75rem, 3.2vw, 2.8rem);
  font-weight: 800; line-height: 1.1; letter-spacing: -0.035em;
  max-width: 580px;
}

/* ── WHAT WE BUILD ── */
.what { background: var(--white); border-bottom: 1px solid var(--border); }

.what-layout {
  display: grid; grid-template-columns: 340px 1fr;
  gap: 5rem; align-items: start;
}

.what-desc {
  font-size: 0.92rem; color: var(--ink-mid); line-height: 1.7;
  margin-top: 1.25rem;
}

.what-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border); border-radius: 12px; overflow: hidden;
}

.wc {
  padding: 1.75rem; background: var(--white);
  transition: background .2s;
}
.wc:hover { background: var(--off-white); }
.wc:nth-child(1) { border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.wc:nth-child(2) { border-bottom: 1px solid var(--border); }
.wc:nth-child(3) { border-right: 1px solid var(--border); }

.wc-n {
  font-family: var(--mono); font-size: 0.65rem; color: var(--ink-faint);
  margin-bottom: 0.65rem; font-weight: 500;
}
.wc h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.4rem; letter-spacing: -0.01em; }
.wc p { font-size: 0.82rem; color: var(--ink-mid); line-height: 1.6; }

/* ── HOW IT WORKS ── */
.how { background: var(--stone); border-bottom: 1px solid var(--border); }

.how-layout {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: start;
}

.how-steps { margin-top: 2.25rem; }

.how-step {
  display: flex; gap: 1.25rem;
  padding: 1.35rem 0; border-bottom: 1px solid rgba(26,26,24,0.1);
}
.how-step:first-child { border-top: 1px solid rgba(26,26,24,0.1); }

.step-n {
  font-family: var(--mono); font-size: 0.65rem; color: var(--ink-faint);
  min-width: 1.4rem; padding-top: 0.2rem; flex-shrink: 0; font-weight: 500;
}
.how-step h3 { font-size: 0.92rem; font-weight: 700; margin-bottom: 0.3rem; }
.how-step p { font-size: 0.82rem; color: var(--ink-mid); line-height: 1.6; }

/* ── BUILD ANIMATION CARD ── */
.build-card {
  background: var(--ink);
  border-radius: 14px; overflow: hidden;
  position: sticky; top: 78px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
}

.build-titlebar {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  display: flex; align-items: center; gap: 0.5rem;
  background: rgba(255,255,255,0.03);
}

.ttdot { width: 8px; height: 8px; border-radius: 50%; }

.build-filename {
  font-family: var(--mono); font-size: 0.65rem;
  color: rgba(255,255,255,0.3); margin-left: 0.4rem;
}

.build-body { padding: 1.25rem; }

/* Animated code lines */
.code-lines { display: flex; flex-direction: column; gap: 0; }

.cl {
  display: flex; gap: 0.75rem;
  font-family: var(--mono); font-size: 0.72rem; line-height: 1.9;
  opacity: 0; transition: opacity .4s ease;
}
.cl.show { opacity: 1; }

.ln { color: rgba(255,255,255,0.12); min-width: 1.2rem; text-align: right; user-select: none; }
.kw { color: #7dd3fc; }
.str { color: #86efac; }
.fn { color: #fde68a; }
.cm { color: rgba(255,255,255,0.22); }
.ac { color: #6ee7b7; }  /* accent green */
.tx { color: rgba(255,255,255,0.65); }
.pu { color: rgba(255,255,255,0.45); }

/* Progress footer */
.build-footer {
  padding: 0.85rem 1.25rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.02);
}

.build-progress-label {
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 0.62rem;
  color: rgba(255,255,255,0.3); margin-bottom: 0.45rem;
}

.build-bar {
  height: 2px; background: rgba(255,255,255,0.08); border-radius: 2px; overflow: hidden;
}

.build-fill {
  height: 100%; background: var(--accent); border-radius: 2px;
  width: 0%; transition: width 1.2s ease;
}

.build-status-row {
  display: flex; gap: 1rem; margin-top: 0.85rem; flex-wrap: wrap;
}

.bstat {
  display: flex; align-items: center; gap: 0.35rem;
  font-family: var(--mono); font-size: 0.6rem;
  color: rgba(255,255,255,0.3);
}
.bstat.done { color: var(--accent); }
.bstat.active { color: #fde68a; }

.bstat-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: currentColor;
}
.bstat.active .bstat-dot { animation: pulse 1s infinite; }

/* ── AI-FIRST SECTION ── */
.ai { background: var(--white); border-bottom: 1px solid var(--border); }

.ai-layout {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: center;
}

.ai-points { margin-top: 2rem; display: flex; flex-direction: column; gap: 0; }

.ai-pt {
  display: flex; gap: 1rem;
  padding: 1.25rem 0; border-bottom: 1px solid var(--border);
}
.ai-pt:first-child { border-top: 1px solid var(--border); }

.ai-pt-arrow {
  font-family: var(--mono); font-size: 0.7rem; color: var(--accent);
  padding-top: 0.15rem; min-width: 1.2rem;
}
.ai-pt h4 { font-size: 0.88rem; font-weight: 700; margin-bottom: 0.2rem; }
.ai-pt p { font-size: 0.81rem; color: var(--ink-mid); line-height: 1.6; }

/* Slogan card */
.slogan-card {
  background: var(--ink); border-radius: 14px; padding: 2.5rem;
  display: flex; flex-direction: column; gap: 1.5rem;
}

.slogan-main {
  font-size: 1.8rem; font-weight: 800; letter-spacing: -0.04em;
  color: white; line-height: 1.15;
}
.slogan-main span { color: var(--accent); }

.slogan-desc {
  font-size: 0.84rem; color: rgba(255,255,255,0.5); line-height: 1.65;
}

.slogan-stat-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
  background: rgba(255,255,255,0.07); border-radius: 8px; overflow: hidden;
  margin-top: 0.5rem;
}

.slogan-stat {
  background: rgba(255,255,255,0.04); padding: 1rem;
}
.slogan-stat-num {
  font-size: 1.4rem; font-weight: 800; letter-spacing: -0.03em;
  color: var(--accent); display: block; line-height: 1;
}
.slogan-stat-label {
  font-size: 0.72rem; color: rgba(255,255,255,0.4);
  margin-top: 0.2rem; display: block;
}

/* ── WHO ── */
.who { background: var(--stone); border-bottom: 1px solid var(--border); }

.who-grid {
  display: grid; grid-template-columns: repeat(3,1fr);
  border: 1px solid var(--border); border-radius: 12px;
  overflow: hidden; background: var(--border);
  margin-top: 2.5rem; gap: 1px;
}

.who-card {
  background: var(--white); padding: 1.75rem;
  transition: background .2s;
}
.who-card:hover { background: var(--off-white); }

.who-stage {
  font-family: var(--mono); font-size: 0.62rem; font-weight: 500;
  color: var(--accent); text-transform: uppercase; letter-spacing: 0.06em;
  margin-bottom: 0.7rem; display: flex; align-items: center; gap: 0.4rem;
}
.who-stage::before {
  content: ''; width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent); display: block;
}

.who-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.45rem; letter-spacing: -0.01em; }
.who-card p { font-size: 0.81rem; color: var(--ink-mid); line-height: 1.6; }

.who-not {
  margin-top: 1.25rem; padding: 1.1rem 1.5rem;
  border: 1px solid var(--border); border-radius: 10px;
  background: var(--white);
  display: flex; gap: 1rem; align-items: flex-start;
}

.who-not-tag {
  font-family: var(--mono); font-size: 0.62rem; color: var(--ink-faint);
  white-space: nowrap; padding-top: 0.1rem; font-weight: 500;
}
.who-not p { font-size: 0.81rem; color: var(--ink-mid); line-height: 1.6; }

/* ── CTA ── */
.cta { background: var(--off-white); border-top: 1px solid var(--border); padding: 6rem 2.5rem; text-align: center; }

.cta h2 {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 800; letter-spacing: -0.04em; line-height: 1.05;
  max-width: 640px; margin: 0 auto 1rem;
}
.cta h2 .accent { color: var(--accent); }

.cta-sub {
  font-size: 0.92rem; color: var(--ink-mid);
  max-width: 380px; margin: 0 auto 2rem; line-height: 1.65;
}
.cta-note { font-size: 0.73rem; color: var(--ink-faint); margin-top: 0.75rem; }

/* ── FOOTER ── */
footer {
  background: var(--ink); color: rgba(255,255,255,0.35);
  padding: 1.5rem 2.5rem;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.76rem; flex-wrap: wrap; gap: 0.75rem;
}
.footer-logo {
  font-size: 0.88rem; font-weight: 800; color: white;
  text-decoration: none; display: flex; align-items: center; gap: 7px;
  letter-spacing: -0.02em;
}
.footer-tagline { font-family: var(--mono); font-size: 0.65rem; color: var(--accent); }

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0; transform: translateY(22px);
  transition: opacity .65s ease, transform .65s ease;
}
.reveal.in { opacity: 1; transform: none; }
.d1 { transition-delay: .1s; } .d2 { transition-delay: .2s; } .d3 { transition-delay: .3s; }

/* ── RESPONSIVE ── */
@media (max-width: 860px) {
  nav { padding: 0 1.25rem; }
  .nav-links, .nav-ai-badge { display: none; }
  .hero { padding: 5rem 1.25rem 4rem; }
  .prompt-container { min-width: unset; width: 100%; }
  .section { padding: 4rem 1.25rem; }
  .what-layout, .how-layout, .ai-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .what-grid { grid-template-columns: 1fr; }
  .who-grid { grid-template-columns: 1fr; }
  .proof { grid-template-columns: 1fr 1fr; }
  .proof-item:nth-child(2n) { border-right: none; }
  .proof-item:nth-child(1), .proof-item:nth-child(2) { border-bottom: 1px solid var(--border); }
  .slogan-card { padding: 1.75rem; }
}