/* ============================================================
   data2md — Landing
   Palette: paper · ink · amber. Editorial + modern.
   ============================================================ */

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

/* ── Tokens ─────────────────────────────────────────────────── */
:root{
  --paper:        #f8f5ee;
  --paper-2:      #f1ecde;
  --paper-edge:   #ece4d0;
  --card:         #ffffff;
  --ink:          #15110d;
  --ink-2:        #2a241e;
  --muted:        #78716c;
  --faint:        #a8a29e;
  --line:         #e7e1d3;
  --line-2:       #d6cdb6;
  --accent:       #ea580c;
  --accent-h:     #c2410c;
  --accent-soft:  #fff1e2;
  --accent-tint:  rgba(234,88,12,.08);
  --highlight:    #fde68a;
  --code-bg:      #1b1714;
  --code-ink:     #f5efe2;
  --code-mute:    #b8aa90;
  --code-key:     #fbbf77;
  --code-str:     #c4d493;
  --shadow-sm:    0 1px 2px rgba(20,16,10,.04), 0 1px 1px rgba(20,16,10,.03);
  --shadow:       0 8px 24px -10px rgba(20,16,10,.08), 0 2px 6px -2px rgba(20,16,10,.04);
  --shadow-lg:    0 30px 60px -20px rgba(20,16,10,.18), 0 12px 24px -8px rgba(20,16,10,.08);
  --r-sm:         8px;
  --r:            14px;
  --r-lg:         22px;
  --serif:        ui-serif, "Charter", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --sans:         ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Inter", Roboto, sans-serif;
  --mono:         "Fira Code", "JetBrains Mono", "Cascadia Code", "SF Mono", Consolas, monospace;
}

/* ── Base ───────────────────────────────────────────────────── */
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink-2);
  line-height:1.6;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  background-image:
    radial-gradient(1200px 600px at 80% -10%, var(--accent-tint), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, rgba(234,88,12,.04), transparent 70%);
  background-attachment:fixed;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
button{font-family:inherit}
::selection{background:var(--accent);color:#fff}

/* ── Layout ─────────────────────────────────────────────────── */
.l-container{
  width:100%;
  max-width:1180px;
  margin-inline:auto;
  padding-inline:1.5rem;
}
.l-main{flex:1}

/* ── Header ─────────────────────────────────────────────────── */
.l-header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter:saturate(140%) blur(12px);
  -webkit-backdrop-filter:saturate(140%) blur(12px);
  background:rgba(248,245,238,.78);
  border-bottom:1px solid transparent;
  transition:border-color .2s, box-shadow .2s;
}
.l-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-sm);
}
.l-header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:1rem 0;
}
.l-logo{
  display:flex;
  align-items:baseline;
  gap:.4rem;
  font-family:var(--serif);
  font-weight:700;
  font-size:1.15rem;
  letter-spacing:-.02em;
  color:var(--ink);
}
.l-logo-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:30px;
  height:30px;
  background:var(--ink);
  color:var(--paper);
  border-radius:8px;
  font-family:var(--mono);
  font-size:.86rem;
  font-weight:800;
  letter-spacing:-.04em;
  margin-right:.1rem;
  line-height:1;
}
.l-logo-mark::before{content:'M';color:var(--paper)}
.l-logo-mark::after{content:'↓';color:var(--accent);margin-left:1px;font-weight:700}
.l-logo-name{font-style:italic;color:var(--ink)}
.l-nav{display:flex;align-items:center;gap:1.75rem}
.l-nav-link{
  color:var(--muted);
  font-size:.875rem;
  font-weight:500;
  transition:color .15s;
}
.l-nav-link:hover{color:var(--ink)}
.l-nav-cta{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  padding:.5rem 1rem;
  border-radius:999px;
  background:var(--ink);
  color:var(--paper);
  font-size:.85rem;
  font-weight:600;
  transition:transform .15s, background .15s;
}
.l-nav-cta:hover{background:var(--accent);transform:translateY(-1px)}

/* ── Language switcher ──────────────────────────────────────── */
.l-lang{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  font-family:var(--mono);
  font-size:.72rem;
  letter-spacing:.06em;
  color:var(--faint);
  padding:.32rem .6rem;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.4);
}
.l-lang a{
  color:var(--muted);
  font-weight:600;
  transition:color .15s;
  padding:0 .15rem;
}
.l-lang a:hover{color:var(--ink)}
.l-lang a.is-active{color:var(--ink);position:relative}
.l-lang a.is-active::after{
  content:'';
  position:absolute;
  left:0;right:0;bottom:-3px;
  height:1.5px;
  background:var(--accent);
  border-radius:2px;
}
.l-lang-sep{color:var(--line-2);user-select:none}

/* ── Buttons ────────────────────────────────────────────────── */
.l-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.55rem;
  padding:.85rem 1.5rem;
  border-radius:999px;
  font-size:.95rem;
  font-weight:600;
  font-family:inherit;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .15s, background .15s, border-color .15s, color .15s, box-shadow .2s;
  white-space:nowrap;
  line-height:1;
}
.l-btn--primary{
  background:var(--ink);
  color:var(--paper);
  box-shadow:var(--shadow);
}
.l-btn--primary:hover{background:var(--accent);transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.l-btn--ghost{
  background:transparent;
  border-color:var(--line-2);
  color:var(--ink);
}
.l-btn--ghost:hover{border-color:var(--ink);background:var(--card)}
.l-btn--google{
  background:var(--card);
  border-color:var(--line-2);
  color:var(--ink);
  font-weight:500;
}
.l-btn--google:not(:disabled):hover{border-color:var(--ink);box-shadow:var(--shadow)}
.l-btn:disabled{opacity:.55;cursor:not-allowed}
.l-btn-arrow{transition:transform .2s}
.l-btn--primary:hover .l-btn-arrow{transform:translateX(3px)}

/* ── Hero ───────────────────────────────────────────────────── */
.l-hero{
  padding:5rem 0 4rem;
  text-align:center;
  position:relative;
}
.l-hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:999px;
  padding:.4rem 1rem;
  font-size:.78rem;
  color:var(--muted);
  margin-bottom:1.75rem;
  box-shadow:var(--shadow-sm);
}
.l-hero-eyebrow-dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px var(--accent-tint);
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 4px var(--accent-tint)}
  50%{box-shadow:0 0 0 8px transparent}
}
.l-hero h1{
  font-family:var(--serif);
  font-weight:500;
  font-size:clamp(2.4rem,6vw,4.5rem);
  letter-spacing:-.03em;
  line-height:1.02;
  color:var(--ink);
  max-width:900px;
  margin:0 auto 1.5rem;
}
.l-hero h1 em{
  font-style:italic;
  color:var(--accent);
  font-weight:400;
  position:relative;
  white-space:nowrap;
}
.l-hero h1 em::after{
  content:'';
  position:absolute;
  left:0;right:0;bottom:.06em;
  height:.32em;
  background:var(--accent-soft);
  z-index:-1;
  border-radius:2px;
  transform:skew(-2deg);
}
.l-hero-sub{
  font-size:clamp(1rem,1.6vw,1.2rem);
  color:var(--muted);
  max-width:620px;
  margin:0 auto 2.25rem;
  line-height:1.55;
}
.l-hero-cta{
  display:flex;
  justify-content:center;
  gap:.75rem;
  flex-wrap:wrap;
  margin-bottom:1.5rem;
}
.l-hero-meta{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:1.25rem;
  flex-wrap:wrap;
  font-size:.82rem;
  color:var(--faint);
}
.l-hero-meta span{display:inline-flex;align-items:center;gap:.4rem}
.l-hero-meta svg{color:var(--accent)}
.l-hero-meta-sep{
  width:3px;height:3px;border-radius:50%;background:var(--line-2);
}

/* ── Demo (PDF → MD) ────────────────────────────────────────── */
.l-demo{
  padding:3rem 0 5rem;
}
.l-demo-frame{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:1.25rem;
  box-shadow:var(--shadow-lg);
  position:relative;
}
.l-demo-frame::before{
  content:'';
  position:absolute;
  inset:auto -20px -20px auto;
  width:140px;height:140px;
  background:radial-gradient(circle, var(--accent-tint), transparent 65%);
  pointer-events:none;
  border-radius:50%;
  z-index:-1;
}
.l-demo-grid{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  gap:1rem;
  align-items:stretch;
}
.l-demo-pane{
  border-radius:var(--r);
  overflow:hidden;
  display:flex;
  flex-direction:column;
}
.l-demo-pane--pdf{
  background:#fdfaf1;
  border:1px solid var(--line);
}
.l-demo-pane--md{
  background:var(--code-bg);
  color:var(--code-ink);
}
.l-demo-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:.7rem 1rem;
  border-bottom:1px solid var(--line);
  font-size:.7rem;
  text-transform:uppercase;
  letter-spacing:.1em;
  font-weight:700;
  color:var(--muted);
}
.l-demo-pane--md .l-demo-bar{
  border-color:rgba(255,255,255,.06);
  color:var(--code-mute);
}
.l-demo-bar-dots{display:flex;gap:.3rem}
.l-demo-bar-dots i{width:8px;height:8px;border-radius:50%;background:var(--line-2);display:block}
.l-demo-bar-dots i:nth-child(1){background:#f87171}
.l-demo-bar-dots i:nth-child(2){background:#fbbf24}
.l-demo-bar-dots i:nth-child(3){background:#34d399}
.l-demo-pane--md .l-demo-bar-dots i{opacity:.6}
.l-demo-body{
  padding:1.25rem 1.5rem;
  flex:1;
}

/* PDF body: simulated paragraph blocks */
.l-pdf-h{
  height:14px;width:62%;
  background:linear-gradient(90deg,#312820 0%,#312820 100%);
  border-radius:3px;
  margin-bottom:1rem;
}
.l-pdf-line{
  height:7px;
  background:#cabea4;
  border-radius:2px;
  margin-bottom:.55rem;
}
.l-pdf-line.w95{width:95%}
.l-pdf-line.w88{width:88%}
.l-pdf-line.w92{width:92%}
.l-pdf-line.w70{width:70%;margin-bottom:1.4rem}
.l-pdf-line.w50{width:50%}
.l-pdf-h2{
  height:11px;width:42%;
  background:#3a302a;
  border-radius:3px;
  margin:1.4rem 0 .9rem;
}
.l-pdf-line.w98{width:98%}
.l-pdf-line.w85{width:85%}
.l-pdf-line.w78{width:78%}

/* MD body: code-styled markdown */
.l-md-body{
  font-family:var(--mono);
  font-size:.78rem;
  line-height:1.85;
  color:var(--code-ink);
  white-space:pre-wrap;
  word-break:break-word;
}
.l-md-h{color:var(--code-key);font-weight:600}
.l-md-em{color:var(--code-key);font-style:italic}
.l-md-str{color:var(--code-str)}
.l-md-mu{color:var(--code-mute)}

/* Arrow in middle */
.l-demo-arrow{
  display:flex;
  align-items:center;
  justify-content:center;
  width:48px;
  align-self:center;
  color:var(--accent);
}
.l-demo-arrow-dot{
  width:36px;height:36px;
  border-radius:50%;
  background:var(--accent);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px -4px rgba(234,88,12,.5);
  animation:slide 2s ease-in-out infinite;
}
@keyframes slide{
  0%,100%{transform:translateX(-2px)}
  50%{transform:translateX(2px)}
}

/* ── Section frame ──────────────────────────────────────────── */
.l-section{
  padding:6rem 0;
}
.l-section--tight{padding:4rem 0}
.l-eyebrow{
  display:inline-block;
  font-family:var(--mono);
  font-size:.72rem;
  text-transform:uppercase;
  letter-spacing:.18em;
  color:var(--accent);
  margin-bottom:.75rem;
}
.l-h2{
  font-family:var(--serif);
  font-weight:500;
  font-size:clamp(1.8rem,4vw,2.8rem);
  letter-spacing:-.025em;
  line-height:1.1;
  color:var(--ink);
  margin-bottom:1rem;
  max-width:720px;
}
.l-h2 em{font-style:italic;color:var(--accent);font-weight:400}
.l-lead{
  font-size:1.05rem;
  color:var(--muted);
  max-width:620px;
  line-height:1.65;
}

/* ── Why Markdown ───────────────────────────────────────────── */
.l-why-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1rem;
  margin-top:3rem;
}
.l-why-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:1.75rem;
  display:flex;
  flex-direction:column;
  gap:.75rem;
  transition:transform .25s, box-shadow .25s, border-color .25s;
  position:relative;
  overflow:hidden;
}
.l-why-card::after{
  content:'';
  position:absolute;
  inset:auto auto 0 0;
  height:2px;width:0;
  background:var(--accent);
  transition:width .35s;
}
.l-why-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow);
  border-color:var(--line-2);
}
.l-why-card:hover::after{width:100%}
.l-why-icon{
  width:42px;height:42px;
  border-radius:10px;
  background:var(--accent-soft);
  color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:.5rem;
}
.l-why-title{
  font-family:var(--serif);
  font-size:1.3rem;
  font-weight:500;
  letter-spacing:-.01em;
  color:var(--ink);
}
.l-why-desc{
  font-size:.92rem;
  color:var(--muted);
  line-height:1.6;
}
.l-why-tag{
  font-family:var(--mono);
  font-size:.72rem;
  color:var(--accent);
  margin-top:auto;
  padding-top:.5rem;
  letter-spacing:.04em;
}

/* ── Performance section ────────────────────────────────────── */
.l-perf{
  background:linear-gradient(180deg, transparent, var(--paper-2));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.l-perf-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:4rem;
  align-items:center;
}
.l-perf-stat-row{
  display:flex;
  gap:2rem;
  margin-top:2rem;
  flex-wrap:wrap;
}
.l-stat-num{
  font-family:var(--serif);
  font-weight:500;
  font-size:clamp(2.2rem,4vw,3.2rem);
  letter-spacing:-.03em;
  line-height:1;
  color:var(--ink);
  display:block;
}
.l-stat-num em{color:var(--accent);font-style:normal}
.l-stat-lbl{
  font-size:.85rem;
  color:var(--muted);
  margin-top:.4rem;
  display:block;
}
.l-perf-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:1.5rem;
  box-shadow:var(--shadow-lg);
}
.l-perf-card-bar{
  display:flex;align-items:center;justify-content:space-between;
  padding:.5rem .75rem 1rem;
  font-family:var(--mono);
  font-size:.75rem;
  color:var(--muted);
  border-bottom:1px solid var(--line);
  margin-bottom:1.25rem;
}
.l-perf-row{
  display:flex;align-items:center;
  gap:1rem;
  padding:.6rem 0;
  border-bottom:1px dashed var(--line);
  font-size:.88rem;
}
.l-perf-row:last-child{border-bottom:none}
.l-perf-row-name{
  flex:1;
  display:flex;align-items:center;gap:.5rem;
  color:var(--ink-2);
}
.l-perf-row-name .l-pill{
  font-family:var(--mono);
  font-size:.65rem;
  background:var(--accent-soft);
  color:var(--accent);
  padding:.15rem .4rem;
  border-radius:4px;
  font-weight:600;
}
.l-perf-bar{
  flex:0 0 140px;
  height:6px;
  background:var(--line);
  border-radius:999px;
  overflow:hidden;
}
.l-perf-bar-fill{
  height:100%;
  background:linear-gradient(90deg,var(--accent),#f59e0b);
  border-radius:999px;
  animation:fill 2s ease-out forwards;
  width:0;
}
@keyframes fill{to{width:var(--w,100%)}}
.l-perf-row-time{
  font-family:var(--mono);
  font-size:.78rem;
  color:var(--muted);
  min-width:64px;
  text-align:right;
}

/* ── Sign-in section ────────────────────────────────────────── */
.l-signin{
  text-align:center;
}
.l-signin-card{
  max-width:480px;
  margin:3rem auto 0;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:2.75rem 2rem 2.25rem;
  box-shadow:var(--shadow);
  position:relative;
}
.l-signin-card::before{
  content:'';
  position:absolute;
  inset:-1px;
  border-radius:inherit;
  padding:1px;
  background:linear-gradient(135deg, var(--accent-soft), transparent 40%, transparent 60%, var(--accent-soft));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;
          mask-composite:exclude;
  pointer-events:none;
}
.l-signin-icon{
  width:58px;height:58px;
  border-radius:50%;
  background:var(--accent-soft);
  color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 1.25rem;
}
.l-signin-card h3{
  font-family:var(--serif);
  font-weight:500;
  font-size:1.6rem;
  letter-spacing:-.02em;
  color:var(--ink);
  margin-bottom:.5rem;
}
.l-signin-card p{
  color:var(--muted);
  font-size:.95rem;
  margin-bottom:1.75rem;
  line-height:1.55;
}
.l-google-btn{
  width:100%;
  padding:.9rem 1rem;
  font-size:.95rem;
}
.l-soon{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  margin-top:1rem;
  font-size:.78rem;
  color:var(--muted);
  font-family:var(--mono);
}
.l-soon-dot{
  width:6px;height:6px;border-radius:50%;background:var(--faint);
}
.l-signin-or{
  display:flex;align-items:center;gap:1rem;
  margin:1.5rem 0;
  color:var(--faint);
  font-size:.78rem;
  font-family:var(--mono);
  text-transform:uppercase;
  letter-spacing:.08em;
}
.l-signin-or::before,.l-signin-or::after{
  content:'';flex:1;height:1px;background:var(--line);
}

/* ── Footer ─────────────────────────────────────────────────── */
.l-footer{
  border-top:1px solid var(--line);
  padding:2.5rem 0;
  margin-top:auto;
  background:var(--paper);
}
.l-footer-inner{
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:1rem;
}
.l-footer-text{
  font-size:.82rem;
  color:var(--muted);
}
.l-footer-text strong{color:var(--ink);font-weight:600;font-style:italic;font-family:var(--serif)}
.l-footer-links{display:flex;gap:1.5rem}
.l-footer-links a{
  color:var(--muted);
  font-size:.82rem;
  transition:color .15s;
}
.l-footer-links a:hover{color:var(--accent)}

/* ── Responsive ─────────────────────────────────────────────── */
@media(max-width:880px){
  .l-perf-grid{grid-template-columns:1fr;gap:2.5rem}
  .l-why-grid{grid-template-columns:1fr}
  .l-demo-grid{grid-template-columns:1fr;gap:.75rem}
  .l-demo-arrow{transform:rotate(90deg);align-self:center;margin:0 auto;height:48px}
}
@media(max-width:680px){
  .l-hero{padding:3rem 0 2.5rem}
  .l-section{padding:4rem 0}
  .l-nav{gap:.6rem}
  .l-nav-link[data-hide-sm]{display:none}
  .l-lang{padding:.25rem .5rem;font-size:.68rem}
  .l-hero-cta{flex-direction:column;align-items:stretch}
  .l-hero-cta .l-btn{width:100%}
  .l-demo-frame{padding:.75rem}
  .l-demo-body{padding:1rem}
  .l-perf-bar{flex-basis:100px}
}