/* ─────────────────────────────────────────────
   WROOTER — design tokens
   Warm neutral, ink accent, editorial serif + Geist
───────────────────────────────────────────── */
:root{
  /* Light (default) — warm paper */
  --paper:        #faf7f2;
  --paper-2:      #f4efe6;
  --paper-3:      #ebe4d6;
  --line:         rgba(33, 27, 19, 0.08);
  --line-2:       rgba(33, 27, 19, 0.14);
  --line-3:       rgba(33, 27, 19, 0.22);
  --ink:          #1a1814;     /* near-black warm */
  --ink-2:        #4a443c;     /* secondary text */
  --ink-3:        #8a8278;     /* tertiary */
  --ink-4:        #b3aca0;     /* placeholder */
  --accent:       #ff0000;     /* Wrooter red */
  --accent-2:     #d60000;
  --accent-soft:  rgba(255, 0, 0, 0.08);
  --accent-line:  rgba(255, 0, 0, 0.22);
  --warm:         #b8612b;     /* burnt sienna for warmth highlight */
  --warm-soft:    rgba(184, 97, 43, 0.08);
  --good:         #4f7a4a;
  --good-soft:    rgba(79, 122, 74, 0.08);
  --warn:         #b07a1f;
  --warn-soft:    rgba(176, 122, 31, 0.10);
  --bad:          #a8443a;
  --bad-soft:     rgba(168, 68, 58, 0.08);

  --shadow-sm:    0 1px 2px rgba(33,27,19,.04), 0 0 0 1px rgba(33,27,19,.04);
  --shadow:       0 1px 3px rgba(33,27,19,.05), 0 8px 24px -8px rgba(33,27,19,.10);
  --shadow-lg:    0 2px 4px rgba(33,27,19,.04), 0 24px 48px -12px rgba(33,27,19,.18);

  --r-xs: 4px;
  --r-sm: 6px;
  --r:    10px;
  --r-lg: 14px;
  --r-xl: 20px;

  --serif: 'Instrument Serif', 'Cormorant Garamond', Georgia, serif;
  --sans:  'Montserrat', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono:  'Geist Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --maxw: 1180px;
}

[data-theme="dark"]{
  --paper:        #161310;
  --paper-2:      #1c1814;
  --paper-3:      #25201a;
  --line:         rgba(255, 245, 230, 0.07);
  --line-2:       rgba(255, 245, 230, 0.12);
  --line-3:       rgba(255, 245, 230, 0.20);
  --ink:          #f3ece0;
  --ink-2:        #b8b0a3;
  --ink-3:        #7d7669;
  --ink-4:        #5a5449;
  --accent:       #ff3b3b;
  --accent-2:     #ff6666;
  --accent-soft:  rgba(255, 59, 59, 0.12);
  --accent-line:  rgba(255, 59, 59, 0.28);
  --warm:         #d99464;
  --warm-soft:    rgba(217, 148, 100, 0.10);
  --good:         #8db588;
  --good-soft:    rgba(141, 181, 136, 0.10);
  --warn:         #d9b06a;
  --warn-soft:    rgba(217, 176, 106, 0.12);
  --bad:          #d68a82;
  --bad-soft:     rgba(214, 138, 130, 0.10);
  --shadow-sm:    0 1px 2px rgba(0,0,0,.4), 0 0 0 1px rgba(255,245,230,.04);
  --shadow:       0 1px 3px rgba(0,0,0,.4), 0 8px 24px -8px rgba(0,0,0,.6);
  --shadow-lg:    0 2px 4px rgba(0,0,0,.4), 0 24px 48px -12px rgba(0,0,0,.7);
}

/* ─────────────────────────────────────────────
   RESET + BASE
───────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink);
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  font-feature-settings:"ss01","cv11";
  transition:background .25s ease, color .25s ease;
}
button{font-family:inherit}
a{color:inherit;text-decoration:none}

::selection{background:var(--accent-soft);color:var(--ink)}

::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:10px;border:2px solid var(--paper)}
::-webkit-scrollbar-thumb:hover{background:var(--line-3)}

/* ─────────────────────────────────────────────
   LAYOUT PRIMITIVES
───────────────────────────────────────────── */
.container{max-width:var(--maxw);margin:0 auto;padding:0 32px}

/* ─────────────────────────────────────────────
   NAV
───────────────────────────────────────────── */
.nav{
  position:sticky; top:0; z-index:50;
  background:color-mix(in oklab, var(--paper) 88%, transparent);
  backdrop-filter:saturate(140%) blur(12px);
  -webkit-backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  height:64px;
  display:flex;align-items:center;justify-content:space-between;
  max-width:var(--maxw);margin:0 auto;padding:0 32px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:500;letter-spacing:-.01em}
.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: transparent; /* ← ganti ini */
  display: flex;
  align-items: center;
  justify-content: center;
}
.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.brand-name{font-size:17px;letter-spacing:-.015em}
.brand-name em{font-family:var(--sans);font-style:italic;font-weight:400}

.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  padding:8px 14px;border-radius:var(--r-sm);
  font-size:14px;color:var(--ink-2);
  transition:color .15s, background .15s;
}
.nav-link:hover{color:var(--ink);background:var(--paper-2)}

.theme-toggle{
  width:34px;height:34px;border-radius:999px;
  background:transparent; border:1px solid var(--line-2);
  color:var(--ink-2); cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  transition:all .15s;
}
.theme-toggle:hover{color:var(--ink); border-color:var(--line-3); background:var(--paper-2)}
.theme-toggle svg{width:15px;height:15px}
[data-theme="light"] .icon-moon{display:block}
[data-theme="light"] .icon-sun{display:none}
[data-theme="dark"]  .icon-moon{display:none}
[data-theme="dark"]  .icon-sun{display:block}

/* ─────────────────────────────────────────────
   BUTTONS
───────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  height:42px; padding:0 18px;
  border-radius:var(--r-sm);
  font-size:14px; font-weight:500; letter-spacing:-.005em;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .15s ease;
  white-space:nowrap;
}
.btn svg{width:14px;height:14px;flex-shrink:0}
.btn-primary{
  background:var(--ink); color:var(--paper);
  box-shadow:0 1px 2px rgba(0,0,0,.08), inset 0 1px 0 rgba(255,255,255,.06);
}
.btn-primary:hover{background:var(--accent); transform:translateY(-1px); box-shadow:var(--shadow)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:transparent; color:var(--ink-2);
  border-color:var(--line-2);
}
.btn-ghost:hover{color:var(--ink); border-color:var(--line-3); background:var(--paper-2)}
.btn-sm{height:34px; padding:0 12px; font-size:13px}

/* ─────────────────────────────────────────────
   HERO
───────────────────────────────────────────── */
.hero{
  position:relative;
  padding:88px 0 64px;
  overflow:hidden;
}
.hero::before{
  /* warm paper grain */
  content:''; position:absolute; inset:0; pointer-events:none;
  background-image:
    radial-gradient(ellipse at 20% 10%, var(--accent-soft), transparent 50%),
    radial-gradient(ellipse at 90% 80%, var(--warm-soft), transparent 55%);
  opacity:.9;
}
.hero-grid{
  position:relative; z-index:1;
  display:grid; grid-template-columns:1.05fr 1fr; gap:64px; align-items:center;
}
.hero-eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  padding:5px 12px 5px 6px;
  background:var(--paper-2); border:1px solid var(--line);
  border-radius:999px;
  font-size:12px; color:var(--ink-2); margin-bottom:24px;
}
.hero-eyebrow .pulse{
  width:18px;height:18px; border-radius:50%;
  background:var(--accent-soft); border:1px solid var(--accent-line);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--accent); font-size:10px;
}

.hero h1{
  font-family:var(--sans);
  font-weight:400;
  font-size:clamp(44px, 5.6vw, 76px);
  line-height:1.02;
  letter-spacing:-.02em;
  color:var(--ink);
  margin-bottom:24px;
}
.hero h1 em{font-style:italic; color:var(--accent)}
.hero h1 .underline{
  position:relative; display:inline-block; font-style:italic;
}
.hero h1 .underline::after{
  content:''; position:absolute; left:2%; right:2%; bottom:.06em;
  height:.18em; background:var(--warm-soft);
  border-radius:4px; z-index:-1;
}

.hero-sub{
  font-size:17px; line-height:1.55;
  color:var(--ink-2);
  max-width:480px;
  margin-bottom:32px;
}
.hero-actions{display:flex; gap:10px; flex-wrap:wrap; margin-bottom:40px}

.hero-trust{
  display:flex; gap:32px; padding-top:28px;
  border-top:1px solid var(--line);
}
.trust-item .v{font-family:var(--sans); font-size:24px; line-height:1; color:var(--ink); letter-spacing:-.01em}
.trust-item .v em{font-style:italic;color:var(--accent)}
.trust-item .k{font-size:12px;color:var(--ink-3); margin-top:6px; letter-spacing:.01em}

/* ─── Hero visual: stacked letter card + score chip ─── */
.hero-stage{position:relative; min-height:520px}
.letter-card{
  position:relative;
  background:var(--paper);
  border:1px solid var(--line-2);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-lg);
  padding:32px 36px 28px;
  font-size:14px; line-height:1.7; color:var(--ink-2);
  transform:rotate(-1.2deg);
  max-width:460px; margin-left:auto;
}
.letter-card::before{
  /* paper edge */
  content:''; position:absolute; inset:8px;
  border:1px solid var(--line); border-radius:calc(var(--r-lg) - 4px);
  pointer-events:none; opacity:.6;
}
.letter-meta{
  display:flex; justify-content:space-between; align-items:center;
  font-family:var(--mono); font-size:11px; color:var(--ink-3);
  text-transform:uppercase; letter-spacing:.08em;
  padding-bottom:12px; margin-bottom:18px;
  border-bottom:1px solid var(--line);
}
.letter-meta .dot{width:6px;height:6px;border-radius:50%;background:var(--good); display:inline-block; margin-right:6px;
  box-shadow:0 0 0 3px var(--good-soft);}
.letter-card h4{
  font-family:var(--sans); font-weight:400; font-size:22px;
  color:var(--ink); margin-bottom:14px; letter-spacing:-.01em;
}
.letter-card p{margin-bottom:12px}
.letter-card .hl{
  background:var(--warm-soft);
  border-bottom:1.5px solid var(--warm);
  padding:0 2px; border-radius:2px; cursor:help;
}
.letter-card .hl-good{
  background:var(--good-soft);
  border-bottom:1.5px solid var(--good);
  padding:0 2px; border-radius:2px;
}

/* score chip floating */
.score-chip{
  position:absolute;
  top:24px; right:-14px;
  background:var(--ink); color:var(--paper);
  border-radius:var(--r);
  padding:14px 18px;
  display:flex; align-items:center; gap:14px;
  box-shadow:var(--shadow-lg);
  transform:rotate(2deg);
  z-index:2;
}
.score-chip .ring{position:relative;width:48px;height:48px;flex-shrink:0}
.score-chip .ring svg{transform:rotate(-90deg); width:48px; height:48px}
.score-chip .ring .bg{fill:none; stroke:rgba(255,255,255,.15); stroke-width:4}
.score-chip .ring .fg{fill:none; stroke:var(--paper); stroke-width:4; stroke-linecap:round;
  stroke-dasharray:138.2; stroke-dashoffset:36; }
.score-chip .ring .num{
  position:absolute; inset:0; display:flex;align-items:center;justify-content:center;
  font-family:var(--sans); font-size:18px; line-height:1;
}
.score-chip .meta .l{font-size:10px; opacity:.6; text-transform:uppercase; letter-spacing:.1em}
.score-chip .meta .v{font-family:var(--sans); font-size:18px; margin-top:2px; font-style:italic}

/* suggestion drawer below card */
.sug-card{
  position:absolute;
  bottom:8px; left:-12px;
  width:300px;
  background:var(--paper); border:1px solid var(--line-2);
  border-radius:var(--r);
  box-shadow:var(--shadow);
  padding:14px 16px;
  transform:rotate(-2deg);
  z-index:2;
}
.sug-tag{
  font-family:var(--mono); font-size:10px;
  text-transform:uppercase; letter-spacing:.1em;
  color:var(--accent); margin-bottom:6px;
  display:inline-flex; align-items:center; gap:6px;
}
.sug-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.sug-card .b{font-size:13px; color:var(--ink-3); text-decoration:line-through; line-height:1.45}
.sug-card .a{font-size:13px; color:var(--ink); line-height:1.45; margin-top:6px;
  font-family:var(--sans); font-style:italic; font-size:14.5px}

/* ─────────────────────────────────────────────
   SECTIONS
───────────────────────────────────────────── */
section{padding:96px 0}
.sec-head{margin-bottom:48px; max-width:640px}
.sec-kicker{
  font-family:var(--mono); font-size:12px;
  text-transform:uppercase; letter-spacing:.12em;
  color:var(--accent); margin-bottom:14px;
  display:inline-flex; align-items:center; gap:8px;
}
.sec-kicker::before{content:''; width:24px; height:1px; background:var(--accent)}
.sec-h{
  font-family:var(--sans); font-weight:400;
  font-size:clamp(32px, 4vw, 44px); line-height:1.1;
  letter-spacing:-.015em;
  color:var(--ink); margin-bottom:14px;
}
.sec-h em{font-style:italic; color:var(--accent)}
.sec-sub{font-size:16px; line-height:1.6; color:var(--ink-2); max-width:540px}

/* HOW — 3 step row */
.steps{display:grid; grid-template-columns:repeat(3, 1fr); gap:24px}
.step{
  position:relative;
  background:var(--paper); border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:32px 28px 28px;
  transition:transform .2s, box-shadow .2s, border-color .2s;
}
.step:hover{border-color:var(--line-2); box-shadow:var(--shadow); transform:translateY(-2px)}
.step-n{
  font-family:var(--sans); font-style:italic;
  font-size:48px; line-height:1; color:var(--accent);
  margin-bottom:20px; letter-spacing:-.02em;
}
.step-h{font-size:17px; font-weight:500; color:var(--ink); margin-bottom:8px; letter-spacing:-.01em}
.step-p{font-size:14px; color:var(--ink-2); line-height:1.6}
.step-line{
  /* small connecting underline */
  width:36px; height:2px; background:var(--accent); border-radius:2px;
  margin-top:18px; opacity:.4;
}

/* FEATURES — split layout */
.features{
  display:grid; grid-template-columns:1.25fr 1fr; gap:48px; align-items:start;
}
.feat-list{display:flex; flex-direction:column; gap:2px;
  border:1px solid var(--line); border-radius:var(--r-lg); overflow:hidden;
  background:var(--paper);
}
.feat-row{
  display:grid; grid-template-columns:auto 1fr auto;
  gap:20px; align-items:center;
  padding:22px 24px;
  cursor:pointer;
  transition:background .15s;
  border-bottom:1px solid var(--line);
}
.feat-row:last-child{border-bottom:none}
.feat-row:hover{background:var(--paper-2)}
.feat-row.on{background:var(--accent-soft)}
.feat-row.on .feat-num{color:var(--accent); border-color:var(--accent-line); background:var(--paper)}
.feat-num{
  width:40px; height:40px; border-radius:10px;
  border:1px solid var(--line-2); background:var(--paper-2);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--sans); font-style:italic; color:var(--ink-2);
  font-size:18px;
  transition:all .2s;
}
/* .feat-meta{} */
.feat-row .h{font-size:15px; font-weight:500; color:var(--ink); margin-bottom:4px; letter-spacing:-.005em}
.feat-row .p{font-size:13.5px; color:var(--ink-2); line-height:1.55}
.feat-arrow{color:var(--ink-3); transition:transform .15s, color .15s}
.feat-row:hover .feat-arrow{transform:translateX(3px); color:var(--ink)}

.feat-preview{
  position:sticky; top:96px;
  background:var(--paper); border:1px solid var(--line);
  border-radius:var(--r-lg); overflow:hidden;
  box-shadow:var(--shadow);
}
.feat-preview-head{
  display:flex; align-items:center; gap:8px;
  padding:12px 16px; border-bottom:1px solid var(--line);
  font-family:var(--mono); font-size:11px; color:var(--ink-3);
  text-transform:uppercase; letter-spacing:.1em;
}
.feat-preview-head .tag{
  margin-left:auto; padding:2px 8px; background:var(--accent-soft);
  color:var(--accent); border-radius:4px;
}
.feat-preview-body{padding:24px; min-height:300px; position:relative}
.fp-pane{display:none; animation:fadeIn .3s ease}
.fp-pane.on{display:block}

/* score bars demo */
.fp-row{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.fp-row .lbl{width:120px; font-size:13px; color:var(--ink-2)}
.fp-row .bar{flex:1; height:6px; background:var(--paper-3); border-radius:3px; overflow:hidden}
.fp-row .fill{height:100%; background:var(--accent); border-radius:3px;
  animation:fillIn 1s cubic-bezier(.4,0,.2,1) both;}
.fp-row .v{font-family:var(--sans); font-size:16px; font-style:italic; color:var(--ink); width:32px; text-align:right}

@keyframes fillIn{from{width:0}}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)} to{opacity:1;transform:translateY(0)}}

/* clarity demo */
.clarity-demo .b, .clarity-demo .a{
  padding:14px 16px; border-radius:var(--r-sm); font-size:14px; line-height:1.55;
}
.clarity-demo .b{background:var(--bad-soft); color:var(--ink-2); margin-bottom:10px;
  border-left:3px solid var(--bad); }
.clarity-demo .a{background:var(--good-soft); color:var(--ink);
  border-left:3px solid var(--good); font-family:var(--sans); font-style:italic; font-size:15px}
.clarity-demo .label{
  font-family:var(--mono); font-size:10px; text-transform:uppercase;
  letter-spacing:.1em; margin-bottom:6px; display:block;
}
.clarity-demo .b .label{color:var(--bad)}
.clarity-demo .a .label{color:var(--good)}

/* persuasion demo */
.persuasion-demo p{font-size:14px;line-height:1.65;color:var(--ink-2)}
.persuasion-demo .quote{
  border-left:2px solid var(--accent); padding:6px 0 6px 16px;
  margin:14px 0; font-family:var(--sans); font-style:italic;
  font-size:16px; color:var(--ink);
}
.persuasion-demo .stat{
  display:inline-flex; align-items:baseline; gap:6px;
  margin-right:18px; padding:8px 0;
}
.persuasion-demo .stat .n{font-family:var(--sans); font-size:28px; color:var(--accent); line-height:1}
.persuasion-demo .stat .l{font-size:12px; color:var(--ink-3)}

/* grammar demo */
.grammar-demo .line{
  font-size:14px; line-height:1.7; color:var(--ink-2);
  padding:10px 0; border-bottom:1px dashed var(--line);
}
.grammar-demo .line:last-child{border-bottom:none}
.grammar-demo .err{color:var(--bad); text-decoration:line-through; text-decoration-color:var(--bad)}
.grammar-demo .fix{color:var(--good); margin-left:6px; font-weight:500}

/* TESTIMONIAL band */
.band{
  background:var(--paper-2);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.band .container{padding-top:80px; padding-bottom:80px}
.testimonial{
  display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center;
}
.testimonial blockquote{
  font-family:var(--sans); font-weight:400;
  font-size:clamp(24px, 2.6vw, 30px); line-height:1.3;
  letter-spacing:-.01em; color:var(--ink);
}
.testimonial blockquote em{color:var(--accent); font-style:italic}
.testimonial cite{
  display:block; margin-top:18px; font-style:normal;
  font-size:13px; color:var(--ink-3);
}
.t-stats{
  display:grid; grid-template-columns:1fr 1fr; gap:1px;
  background:var(--line); border:1px solid var(--line);
  border-radius:var(--r-lg); overflow:hidden;
}
.t-stat{background:var(--paper); padding:24px}
.t-stat .n{font-family:var(--sans); font-size:36px; color:var(--ink); line-height:1; letter-spacing:-.01em}
.t-stat .n em{font-style:italic; color:var(--accent)}
.t-stat .l{font-size:13px; color:var(--ink-2); margin-top:8px; line-height:1.5}

/* CTA */
.cta{padding:120px 0}
.cta-box{
  max-width:720px; margin:0 auto; text-align:center;
  padding:64px 48px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--shadow);
  position:relative; overflow:hidden;
}
.cta-box::before{
  content:''; position:absolute; inset:0;
  background:radial-gradient(ellipse at 50% 0%, var(--accent-soft), transparent 60%);
  pointer-events:none;
}
.cta h2{
  font-family:var(--sans); font-weight:400;
  font-size:clamp(36px, 4.5vw, 52px); line-height:1.1;
  letter-spacing:-.015em; margin-bottom:18px; position:relative;
}
.cta h2 em{font-style:italic; color:var(--accent)}
.cta p{font-size:16px; color:var(--ink-2); margin-bottom:32px; line-height:1.6; position:relative}
.cta .btn{position:relative}

/* FOOTER */
.footer{
  border-top:1px solid var(--line);
  padding:40px 0 56px;
  font-size:13px; color:var(--ink-3);
}
.footer-grid{display:flex; justify-content:space-between; align-items:center; gap:32px; flex-wrap:wrap}
.footer-links{display:flex; gap:24px}
.footer-links a:hover{color:var(--ink)}

/* ─────────────────────────────────────────────
   APP PAGE
───────────────────────────────────────────── */
.app-shell{
  min-height:100vh;
  display:grid;
  grid-template-rows:auto 1fr;
}
.app-nav{
  height:60px; flex-shrink:0;
  display:flex; align-items:center; justify-content:space-between;
  padding:0 24px;
  border-bottom:1px solid var(--line);
  background:color-mix(in oklab, var(--paper) 92%, transparent);
  backdrop-filter:saturate(140%) blur(12px);
}
.app-nav-l{display:flex; align-items:center; gap:14px}
.crumbs{display:flex; align-items:center; gap:10px; font-size:13px; color:var(--ink-3)}
.crumbs .sep{color:var(--ink-4)}
.crumbs .cur{color:var(--ink-2); font-weight:500}
.app-nav-r{display:flex; align-items:center; gap:10px}

/* App body grid */
.app-body{
  display:grid;
  grid-template-columns:minmax(0, 1fr) 420px;
  height:calc(100vh - 60px);
  min-height:0;
}

/* Editor column */
.editor-col{
  display:flex; flex-direction:column;
  border-right:1px solid var(--line);
  background:var(--paper);
  min-height:0;
}

/* Tone chips toolbar */
.ed-toolbar{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 28px;
  border-bottom:1px solid var(--line);
  background:var(--paper);
  flex-shrink:0;
}
.tone-group{display:flex; align-items:center; gap:10px}
.tone-label{
  font-family:var(--mono); font-size:11px;
  text-transform:uppercase; letter-spacing:.1em;
  color:var(--ink-3);
}
.chip-row{display:flex; gap:4px; padding:3px;
  background:var(--paper-2); border:1px solid var(--line);
  border-radius:999px;}
.chip{
  padding:6px 14px; font-size:13px;
  background:transparent; border:none;
  color:var(--ink-2); cursor:pointer;
  border-radius:999px;
  transition:all .15s;
  font-family:inherit;
}
.chip:hover{color:var(--ink)}
.chip.on{background:var(--paper); color:var(--ink); box-shadow:var(--shadow-sm)}

.upload-btn{
  display:inline-flex; align-items:center; gap:6px;
  font-size:13px; color:var(--ink-2);
  padding:7px 12px; border-radius:var(--r-sm);
  border:1px solid var(--line-2); background:var(--paper);
  cursor:pointer; transition:all .15s;
}
.upload-btn:hover{color:var(--ink); border-color:var(--line-3); background:var(--paper-2)}

/* Paper editor area */
.ed-area{flex:1; position:relative; overflow:hidden; min-height:0}
.ed-paper{
  position:absolute; inset:0;
  overflow-y:auto;
  padding:48px clamp(32px, 8vw, 96px) 48px;
}
#letterInput{
  width:100%; min-height:100%;
  background:transparent; border:none; outline:none;
  resize:none;
  font-family:var(--sans);
  font-size:19px; line-height:1.7;
  color:var(--ink);
  caret-color:var(--accent);
}
#letterInput::placeholder{color:var(--ink-4); font-style:italic}

#hlView{
  position:absolute; inset:0;
  padding:48px clamp(32px, 8vw, 96px) 48px;
  font-family:var(--sans); font-size:19px; line-height:1.7;
  color:var(--ink);
  white-space:pre-wrap; word-break:break-word;
  overflow-y:auto;
  display:none; background:var(--paper);
}
#hlView.show{display:block}
.hl-s{
  background:var(--warm-soft);
  border-bottom:1.5px solid var(--warm);
  padding:0 1px; border-radius:2px;
  cursor:help; transition:background .15s;
}
.hl-s:hover{background:color-mix(in oklab, var(--warm-soft) 60%, var(--warm) 25%)}

/* Editor footer */
.ed-foot{
  flex-shrink:0;
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 28px;
  border-top:1px solid var(--line);
  background:var(--paper-2);
  gap:16px; flex-wrap:wrap;
}
.ed-meta{display:flex; gap:20px}
.meta-chip{font-size:12.5px; color:var(--ink-3)}
.meta-chip span{color:var(--ink); font-weight:500}

.hl-toggle{
  display:none; align-items:center; gap:8px;
  padding:6px 12px; font-size:12.5px;
  background:var(--paper); border:1px solid var(--line-2);
  border-radius:var(--r-sm); cursor:pointer; color:var(--ink-2);
  font-family:inherit;
  transition:all .15s;
}
.hl-toggle.show{display:inline-flex}
.hl-toggle:hover{color:var(--ink); border-color:var(--line-3)}
.hl-toggle.on{background:var(--warm-soft); color:var(--warm); border-color:var(--warm)}
.hl-pill{width:8px;height:8px;border-radius:2px;background:var(--ink-3)}
.hl-toggle.on .hl-pill{background:var(--warm)}

/* Feedback panel */
.fb-col{
  display:flex; flex-direction:column;
  background:var(--paper-2);
  min-height:0;
}
.fb-head{
  flex-shrink:0;
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 24px;
  border-bottom:1px solid var(--line);
  background:var(--paper-2);
}
.fb-title{font-size:14px; font-weight:500; color:var(--ink); letter-spacing:-.005em}
.fb-badge{
  font-size:11px; color:var(--ink-3);
  background:var(--paper); border:1px solid var(--line-2);
  padding:3px 9px; border-radius:999px;
  font-family:var(--mono); letter-spacing:.04em;
}
.fb-scroll{
  flex:1; overflow-y:auto;
  padding:20px; display:flex; flex-direction:column; gap:16px;
}
.fb-empty{
  flex:1; display:flex; flex-direction:column;
  align-items:center; justify-content:center; text-align:center;
  padding:40px 28px; gap:14px; color:var(--ink-3);
}
.fb-empty-ico{
  width: 45px;
  height: 45px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.fb-empty-ico img{
  width: 35px;
  height: 35px;
  object-fit: contain;
}
.fb-empty h3{font-family:var(--sans); font-weight:400; font-size:20px; color:var(--ink-2); letter-spacing:-.01em}
.fb-empty p{font-size:13.5px; max-width:240px; line-height:1.5}

.fb-loading{flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:14px}
.spin{
  width:32px; height:32px; border-radius:50%;
  border:2px solid var(--line);
  border-top-color:var(--accent);
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.fb-loading p{font-family:var(--sans); font-size:17px; font-style:italic; color:var(--ink-2)}
.fb-loading small{font-size:12px; color:var(--ink-3)}

/* Result cards */
.result-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:18px 20px;
  animation:cardIn .4s ease both;
}
@keyframes cardIn{from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:translateY(0)}}
.card-title{
  font-family:var(--mono); font-size:11px;
  text-transform:uppercase; letter-spacing:.1em;
  color:var(--ink-3); margin-bottom:14px;
}

.overall-row{display:flex; align-items:center; gap:20px}
.score-ring{position:relative; width:84px; height:84px; flex-shrink:0}
.score-ring svg{transform:rotate(-90deg); width:84px; height:84px}
.ring-bg{fill:none; stroke:var(--paper-3); stroke-width:6}
.ring-fill{fill:none; stroke-width:6; stroke-linecap:round; stroke-dasharray:213.6; stroke-dashoffset:213.6;
  transition:stroke-dashoffset 1.2s cubic-bezier(.4,0,.2,1)}
.ring-text{position:absolute; inset:0; display:flex; flex-direction:column; align-items:center; justify-content:center}
.ring-num{font-family:var(--sans); font-size:30px; line-height:1; letter-spacing:-.02em}
.ring-den{font-size:11px; color:var(--ink-3); font-family:var(--mono)}
.oi-label{
  font-family:var(--mono); font-size:10px; color:var(--ink-3);
  text-transform:uppercase; letter-spacing:.1em; margin-bottom:4px;
}
.oi-grade{font-family:var(--sans); font-size:22px; line-height:1.1; letter-spacing:-.01em; margin-bottom:6px}
.oi-grade em{font-style:italic}
.oi-note{font-size:13px; color:var(--ink-2); line-height:1.5}

.score-rows{display:flex; flex-direction:column; gap:11px}
.score-row-item{display:grid; grid-template-columns:130px 1fr 32px; align-items:center; gap:14px}
.sri-label{font-size:13px; color:var(--ink-2)}
.sri-bar{height:5px; background:var(--paper-3); border-radius:3px; overflow:hidden}
.sri-fill{height:100%; border-radius:3px; width:0%; transition:width 1s cubic-bezier(.4,0,.2,1)}
.sri-val{font-family:var(--sans); font-size:16px; line-height:1; text-align:right; letter-spacing:-.01em}

.fb-list-head{display:flex; align-items:center; gap:10px; margin-bottom:14px}
.fb-list-ico{
  width:24px; height:24px; border-radius:6px;
  display:flex; align-items:center; justify-content:center;
  font-size:11px; font-weight:600;
}
.fb-list-ico.g{background:var(--good-soft); color:var(--good)}
.fb-list-ico.a{background:var(--warn-soft); color:var(--warn)}
.fb-list-ico.r{background:var(--accent-soft); color:var(--accent)}
.fb-list-title{font-size:14px; font-weight:500; color:var(--ink); letter-spacing:-.005em}
.fb-list{display:flex; flex-direction:column; gap:10px}
.fb-item{
  font-size:13.5px; color:var(--ink-2); line-height:1.55;
  padding-left:14px; border-left:2px solid var(--line);
  transition:border-color .15s, color .15s;
}
.fb-item:hover{border-left-color:var(--accent); color:var(--ink)}

.rw-example{display:flex; flex-direction:column; gap:8px; margin-top:14px}
.rw-example:first-of-type{margin-top:0}
.rw-before, .rw-after{
  padding:12px 14px; border-radius:var(--r-sm);
  font-size:13.5px; line-height:1.55;
}
.rw-before{background:var(--bad-soft); color:var(--ink-2);
  border:1px solid color-mix(in oklab, var(--bad) 18%, transparent);}
.rw-after{background:var(--good-soft); color:var(--ink);
  font-family:var(--sans); font-style:italic; font-size:15px;
  border:1px solid color-mix(in oklab, var(--good) 18%, transparent);}
.rw-tag{
  font-family:var(--mono); font-size:10px;
  text-transform:uppercase; letter-spacing:.1em;
  margin-bottom:5px; display:block; font-style:normal;
}
.rw-before .rw-tag{color:var(--bad)}
.rw-after .rw-tag{color:var(--good)}

/* tooltip */
#tooltip{
  position:fixed; z-index:10000; max-width:280px;
  background:var(--ink); color:var(--paper);
  border-radius:var(--r-sm);
  padding:10px 12px; pointer-events:none;
  opacity:0; transform:translateY(4px);
  transition:opacity .15s, transform .15s;
  box-shadow:var(--shadow-lg);
}
#tooltip.show{opacity:1; transform:translateY(0)}
.tip-tag{
  display:block; font-family:var(--mono); font-size:9.5px;
  text-transform:uppercase; letter-spacing:.1em;
  color:var(--accent-2); margin-bottom:5px; opacity:.85;
}
.tip-body{font-size:12.5px; line-height:1.5; color:var(--paper)}

/* ─────────────────────────────────────────────
   TWEAKS PANEL
───────────────────────────────────────────── */
.tweaks{
  position:fixed; right:24px; bottom:24px;
  width:280px;
  background:var(--paper); border:1px solid var(--line-2);
  border-radius:var(--r-lg); box-shadow:var(--shadow-lg);
  z-index:200; padding:14px 16px 16px;
  display:none;
  font-size:13px;
}
.tweaks.on{display:block}
.tw-head{display:flex; align-items:center; justify-content:space-between; margin-bottom:12px}
.tw-title{font-family:var(--mono); font-size:11px; text-transform:uppercase; letter-spacing:.1em; color:var(--ink-3)}
.tw-close{background:none; border:none; color:var(--ink-3); cursor:pointer; padding:2px}
.tw-row{display:flex; justify-content:space-between; align-items:center; padding:8px 0; gap:12px}
.tw-row + .tw-row{border-top:1px solid var(--line)}
.tw-row label{font-size:13px; color:var(--ink-2)}
.tw-swatches{display:flex; gap:6px}
.tw-sw{width:22px; height:22px; border-radius:50%; cursor:pointer; border:1.5px solid var(--line-2);
  transition:transform .15s, border-color .15s;}
.tw-sw:hover{transform:scale(1.1)}
.tw-sw.on{border-color:var(--ink); transform:scale(1.1)}

/* ─────────────────────────────────────────────
   ANIMATIONS / RESPONSIVE
───────────────────────────────────────────── */
.fade-up{animation:fadeUp .6s cubic-bezier(.2,.8,.2,1) both}
.d-1{animation-delay:.05s}.d-2{animation-delay:.12s}.d-3{animation-delay:.2s}.d-4{animation-delay:.28s}.d-5{animation-delay:.36s}
@keyframes fadeUp{from{opacity:0; transform:translateY(14px)} to{opacity:1; transform:translateY(0)}}

/* ─── Hamburger + Nav Drawer ─── */
.nav-actions{display:flex;align-items:center;gap:8px}

.nav-toggle{
  display:none;
  width:36px; height:36px;
  border-radius:var(--r-sm);
  background:transparent; border:1px solid var(--line-2);
  color:var(--ink-2); cursor:pointer;
  align-items:center; justify-content:center;
  flex-shrink:0;
  transition:all .15s;
}
.nav-toggle:hover{color:var(--ink); border-color:var(--line-3); background:var(--paper-2)}
.nav-toggle svg{width:18px; height:18px; display:block}

.nav-drawer{
  display:none;
  position:fixed; top:64px; left:0; right:0;
  background:var(--paper);
  border-bottom:1px solid var(--line-2);
  padding:8px 16px 16px;
  z-index:48;
  flex-direction:column; gap:2px;
  box-shadow:var(--shadow);
  animation:fadeIn .18s ease;
}
.nav-drawer.open{display:flex}
.nav-drawer .drawer-link{
  padding:12px 14px; font-size:15px; color:var(--ink-2);
  border-radius:var(--r-sm); display:block;
  transition:color .15s, background .15s;
}
.nav-drawer .drawer-link:hover{color:var(--ink); background:var(--paper-2)}
.nav-drawer .drawer-cta{margin-top:10px; border-top:1px solid var(--line); padding-top:12px}
.nav-drawer .btn{width:100%; justify-content:center; height:44px; font-size:15px}

/* ─── App mobile tab bar ─── */
.app-tabs{
  display:none;
  background:var(--paper-2);
  border-bottom:1px solid var(--line);
  flex-shrink:0;
}
.app-tab{
  flex:1; padding:12px 8px;
  font-size:14px; font-weight:500;
  font-family:inherit; color:var(--ink-3);
  cursor:pointer; background:transparent; border:none;
  border-bottom:2px solid transparent;
  transition:all .15s;
}
.app-tab.on{color:var(--ink); border-bottom-color:var(--accent); background:var(--paper)}

/* ─── 980px: tablet / small laptop ─── */
@media (max-width: 980px){
  .container{padding:0 20px}
  .nav-inner{padding:0 20px}

  /* nav: show hamburger, hide text links */
  .nav-toggle{display:inline-flex}
  .nav-links .nav-link{display:none}
  .nav-links .btn-sm{display:none}

  /* hero */
  .hero{padding:64px 0 48px}
  .hero-grid{grid-template-columns:1fr; gap:40px}
  .hero-stage{min-height:auto; padding-bottom:32px}
  .letter-card{transform:none; max-width:100%; margin:0 auto}
  .score-chip{top:auto; bottom:-12px; right:12px; transform:rotate(1deg)}
  .sug-card{position:static; width:100%; transform:none; margin-top:16px}

  /* sections */
  .features{grid-template-columns:1fr}
  .feat-preview{position:static}
  .testimonial{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}

  /* app page */
  .app-tabs{display:flex}
  .app-body{grid-template-columns:1fr; height:calc(100svh - 104px); min-height:0}
  .app-body > .tab-hidden{display:none}
  .editor-col{border-right:none; border-bottom:none; min-height:0}
  .fb-col{min-height:0}
}

/* ─── 768px: mobile ─── */
@media (max-width: 768px){
  .container{padding:0 16px}
  .nav-inner{padding:0 16px}
  section{padding:64px 0}
  .hero{padding:48px 0 40px}
  .hero-sub{font-size:16px; max-width:100%}
  .hero-trust{gap:20px; flex-wrap:wrap}
  .sec-head{margin-bottom:32px}
  .steps{grid-template-columns:1fr}
  .cta-box{padding:40px 24px}
  .cta{padding:80px 0}
  .band .container{padding-top:56px; padding-bottom:56px}

  /* app editor */
  .ed-toolbar{padding:12px 16px; gap:10px}
  .ed-foot{padding:12px 16px}
  .ed-paper{padding:28px 18px}
  #letterInput{font-size:17px}
  #hlView{padding:28px 18px; font-size:17px}
  .app-nav{padding:0 16px}
  .fb-scroll{padding:14px}
  .score-row-item{grid-template-columns:100px 1fr 32px}
}

/* ─── 480px: small phone ─── */
@media (max-width: 480px){
  .container{padding:0 14px}
  .nav-inner{padding:0 14px}
  section{padding:48px 0}
  .hero{padding:40px 0 32px}
  .hero-sub{font-size:15px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%; justify-content:center}
  .hero-trust{gap:14px}
  .trust-item .v{font-size:20px}
  .cta-box{padding:32px 16px; border-radius:var(--r-lg)}
  .cta{padding:56px 0}
  .t-stats{grid-template-columns:1fr}
  .step{padding:24px 18px}
  .feat-row{padding:16px 14px; gap:12px}
  .feat-num{width:34px; height:34px; border-radius:8px; font-size:16px}
  .band .container{padding-top:40px; padding-bottom:40px}
  .footer-grid{flex-direction:column; align-items:flex-start; gap:16px}
  .ed-toolbar{flex-direction:column; align-items:flex-start}
  .upload-btn{align-self:flex-start}
  .score-chip{display:none}
  .sug-card{display:none}
  .letter-card{padding:24px 20px}
}


/* ─────────────────────────────────────────────
   RESPONSIVE FIX — compact highlighter button
   Keeps Highlighter small beside the dark-mode button
───────────────────────────────────────────── */
.app-nav-r{
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.hl-toggle{
  width: auto;
  max-width: 128px;
  height: 34px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  white-space: nowrap;
  overflow: hidden;
}

.hl-toggle .hl-text{
  display: inline-block;
  max-width: 74px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hl-toggle .hl-pill{
  flex-shrink: 0;
}

@media (max-width: 640px){
  .app-nav{
    gap: 8px;
  }

  .app-nav-l{
    min-width: 0;
    overflow: hidden;
  }

  .app-nav-r{
    gap: 6px;
    margin-left: auto;
  }

  .crumbs{
    display: none;
  }

  .hl-toggle{
    max-width: 42px;
    width: 34px;
    height: 34px;
    padding: 0;
    border-radius: 999px;
  }

  .hl-toggle .hl-text{
    display: none;
  }

  .hl-toggle .hl-pill{
    margin: 0;
  }
}


/* ─────────────────────────────────────────────
   FIX — keep highlighter red, not blue/accent
───────────────────────────────────────────── */
:root{
  --highlighter-red: #ff2b2b;
  --highlighter-red-soft: rgba(255, 43, 43, 0.12);
  --highlighter-red-line: rgba(255, 43, 43, 0.35);
}

[data-theme="dark"]{
  --highlighter-red: #ff4d4d;
  --highlighter-red-soft: rgba(255, 77, 77, 0.16);
  --highlighter-red-line: rgba(255, 77, 77, 0.42);
}

.hl-toggle.on,
.hl-toggle:hover{
  color: var(--highlighter-red);
  border-color: var(--highlighter-red-line);
  background: var(--highlighter-red-soft);
}

.hl-toggle .hl-pill{
  background: var(--highlighter-red);
  box-shadow: 0 0 0 3px var(--highlighter-red-soft);
}

.hl-s{
  background: var(--highlighter-red-soft) !important;
  border-bottom-color: var(--highlighter-red) !important;
}

#tooltip .tip-tag{
  color: var(--highlighter-red);
}



/* FORCE — Wrooter red accent, no blue */
:root{
  --accent:#ff0000 !important;
  --accent-2:#d60000 !important;
  --accent-soft:rgba(255,0,0,.08) !important;
  --accent-line:rgba(255,0,0,.22) !important;
}
[data-theme="dark"]{
  --accent:#ff3b3b !important;
  --accent-2:#ff6666 !important;
  --accent-soft:rgba(255,59,59,.12) !important;
  --accent-line:rgba(255,59,59,.28) !important;
}
.hero h1 em,
.sec-h em,
.sec-kicker,
.sug-tag,
.feat-row.on .feat-num,
.persuasion-demo .stat .n,
.feat-preview-head .tag{
  color:var(--accent) !important;
}
.sug-tag .dot,
.step-line,
.sec-kicker::before{
  background:var(--accent) !important;
}
.feat-row.on{
  background:var(--accent-soft) !important;
}
.feat-row.on .feat-num{
  border-color:var(--accent-line) !important;
}