/* ============================================================
   ZERO KATTA — design tokens
   A deliberate, self-consistent light/dark "board cell" identity:
   sections alternate between a paper cell and an ink cell, each
   fully specified — this is the theme, not an OS light/dark switch.
   ============================================================ */
:root{
  --paper:        #eef0f4;
  --paper-surface:#ffffff;
  --paper-line:   #dcdfe8;
  --paper-text:   #14151b;
  --paper-muted:  #666a7c;

  --ink:          #14151b;
  --ink-surface:  #1d1f2a;
  --ink-surface-2:#242634;
  --ink-line:     #2c2f3f;
  --ink-text:     #f4f5f9;
  --ink-muted:    #9497ab;

  --x:        #ff5a3c;
  --x-strong: #e8431f;
  --x-soft:   rgba(255,90,60,.14);
  --o:        #17d6c2;
  --o-strong: #0bb6a4;
  --o-soft:   rgba(23,214,194,.14);
  --gold:     #ffc24b;
  --danger:   #ff5d6c;

  --font-display: 'Unbounded', system-ui, sans-serif;
  --font-body: 'Manrope', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', monospace;

  --container: 1180px;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --shadow-1: 0 1px 2px rgba(20,21,27,.06), 0 8px 24px -12px rgba(20,21,27,.18);
  --shadow-2: 0 20px 50px -20px rgba(20,21,27,.35);
  color-scheme: light;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } }

body{
  margin:0;
  background:var(--paper);
  color:var(--paper-text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img,svg{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4,p{ margin:0; }
h1,h2,h3,h4{ font-family:var(--font-display); text-wrap:balance; font-weight:800; }

:focus-visible{ outline:3px solid var(--o); outline-offset:3px; border-radius:6px; }

.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}

.skip-link{
  position:fixed; top:-60px; left:12px; z-index:1000;
  background:var(--gold); color:var(--ink); padding:.7rem 1.1rem;
  border-radius:var(--radius-sm); font-weight:700; transition:top .2s ease;
}
.skip-link:focus{ top:12px; }

/* ---------- layout helpers ---------- */
.wrap{ width:100%; max-width:var(--container); margin:0 auto; padding:0 24px; }
.section{ padding:104px 0; position:relative; overflow:clip; }
.section.tight{ padding:80px 0; }
.section.cell-light{ background:var(--paper); color:var(--paper-text); }
.section.cell-dark{ background:var(--ink); color:var(--ink-text); }

.section.cell-dark .muted{ color:var(--ink-muted); }
.section.cell-light .muted{ color:var(--paper-muted); }

.eyebrow{
  display:inline-flex; align-items:center; gap:.5em;
  font-family:var(--font-mono); font-weight:600; font-size:.72rem;
  letter-spacing:.16em; text-transform:uppercase;
  color:var(--x);
}
.section.cell-dark .eyebrow{ color:var(--o); }

.section-head{ max-width:640px; margin:0 0 56px; }
.section-title{ font-size:clamp(1.9rem,3.6vw,2.7rem); line-height:1.08; margin-top:.6rem; }
.section-desc{ margin-top:1rem; font-size:1.08rem; line-height:1.65; max-width:56ch; }
.section-desc.centered, .section-head.centered{ margin-left:auto; margin-right:auto; text-align:center; }

/* grid watermark for dark cells */
.section.cell-dark::before{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(var(--ink-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--ink-line) 1px, transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, #000 0%, transparent 75%);
          mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, #000 0%, transparent 75%);
  opacity:.5; pointer-events:none;
}
.section.cell-dark > *{ position:relative; z-index:1; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5em;
  padding:.95rem 1.6rem; border-radius:999px;
  font-family:var(--font-body); font-weight:700; font-size:.98rem;
  line-height:1; white-space:nowrap; cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease;
}
.btn:active{ transform:translateY(1px) scale(.98); }
.btn-primary{
  background:var(--x); color:#fff9f7; box-shadow:0 12px 24px -10px rgba(232,67,31,.55);
}
.btn-primary:hover{ background:var(--x-strong); transform:translateY(-2px); box-shadow:0 16px 28px -10px rgba(232,67,31,.6); }
.btn-secondary{
  background:transparent; color:inherit; border:1.5px solid var(--paper-line);
}
.section.cell-dark .btn-secondary{ border-color:var(--ink-line); }
.btn-secondary:hover{ border-color:var(--o); color:var(--o-strong); transform:translateY(-2px); }
.section.cell-dark .btn-secondary:hover{ color:var(--o); }
.btn-light{ background:var(--ink-text); color:var(--ink); }
.btn-light:hover{ transform:translateY(-2px); background:#fff; }
.btn-sm{ padding:.6rem 1.15rem; font-size:.85rem; }
.btn-block{ width:100%; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar{
  position:sticky; top:0; z-index:100;
  background:rgba(238,240,244,.72);
  backdrop-filter:blur(14px) saturate(160%);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease, border-color .25s ease, padding .25s ease;
}
.navbar.scrolled{
  box-shadow:0 6px 24px -12px rgba(20,21,27,.22);
  border-color:var(--paper-line);
}
.nav-inner{
  max-width:var(--container); margin:0 auto; padding:18px 24px;
  display:flex; align-items:center; justify-content:space-between; gap:24px;
  transition:padding .25s ease;
}
.navbar.scrolled .nav-inner{ padding:12px 24px; }

.brand{ display:flex; align-items:center; gap:.65rem; }
.brand-mark{ width:38px; height:38px; flex:none; transition:transform .2s ease; }
.brand:hover .brand-mark{ transform:rotate(-6deg) scale(1.05); }
.brand-name{
  font-family:var(--font-display); font-weight:800; font-size:1.05rem;
  letter-spacing:.01em;
}

.nav-links{ display:flex; align-items:center; gap:2.1rem; }
.menu-link{ font-weight:600; font-size:.95rem; color:var(--paper-muted); position:relative; }
.menu-link:hover{ color:var(--paper-text); }
.menu-link::after{
  content:""; position:absolute; left:0; right:0; bottom:-6px; height:2px;
  background:var(--x); transform:scaleX(0); transform-origin:left; transition:transform .2s ease;
}
.menu-link:hover::after{ transform:scaleX(1); }

.nav-actions{ display:flex; align-items:center; gap:1rem; }

.hamburger{
  display:none; flex-direction:column; justify-content:center; align-items:center;
  width:42px; height:42px; border-radius:12px; gap:5px;
}
.hamburger span{
  display:block; width:20px; height:2px; background:currentColor; border-radius:2px;
  transition:transform .28s ease, opacity .2s ease;
}
.hamburger[aria-expanded="true"] span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.hamburger[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

.mobile-menu{
  display:none; position:fixed; inset:0 0 0 0; top:var(--nav-h,66px); z-index:99;
  background:var(--paper); padding:8px 24px 32px;
  transform:translateY(-8px); opacity:0; pointer-events:none;
  transition:transform .25s ease, opacity .25s ease;
}
.mobile-menu.open{ transform:translateY(0); opacity:1; pointer-events:auto; }
.mobile-menu ul{ display:flex; flex-direction:column; gap:2px; }
.mobile-menu a{
  display:block; padding:16px 4px; font-family:var(--font-display); font-weight:700;
  font-size:1.25rem; border-bottom:1px solid var(--paper-line);
}
.mobile-menu .btn{ margin-top:22px; }

/* ============================================================
   HERO
   ============================================================ */
.hero{ padding-top:64px; padding-bottom:96px; }
.hero-grid{
  display:grid; grid-template-columns:1.05fr 1fr; gap:56px; align-items:center;
}
.badge-pill{
  display:inline-flex; align-items:center; gap:.55em;
  font-family:var(--font-mono); font-size:.72rem; font-weight:600;
  letter-spacing:.14em; text-transform:uppercase;
  padding:.55rem 1rem; border-radius:999px;
  background:var(--ink-surface); border:1px solid var(--ink-line); color:var(--o);
}
.badge-pill .dot{ width:6px; height:6px; border-radius:50%; background:var(--x); box-shadow:0 0 0 4px var(--x-soft); }

.hero-title{
  margin-top:1.4rem; font-size:clamp(2.5rem,5.4vw,4.3rem); line-height:1.03;
  letter-spacing:-.01em;
}
.hero-title .accent-x{ color:var(--x); }
.hero-title .accent-o{ color:var(--o); }

.hero-sub{
  margin-top:1.5rem; font-size:1.15rem; line-height:1.65; max-width:46ch; color:var(--ink-muted);
}
.hero-ctas{ display:flex; flex-wrap:wrap; gap:1rem; margin-top:2.2rem; }

.hero-meta{ display:flex; gap:1.8rem; margin-top:2.6rem; flex-wrap:wrap; }
.hero-meta div{ display:flex; flex-direction:column; gap:.15rem; }
.hero-meta strong{ font-family:var(--font-mono); font-size:1.4rem; color:var(--ink-text); font-variant-numeric:tabular-nums; }
.hero-meta span{ font-size:.78rem; color:var(--ink-muted); letter-spacing:.02em; }

/* hero board */
.hero-board-wrap{ position:relative; display:flex; justify-content:center; }
.float-piece{
  position:absolute; font-family:var(--font-display); font-weight:800; opacity:.5;
  animation:floaty 7s ease-in-out infinite;
}
.float-piece.x{ color:var(--x); }
.float-piece.o{ color:var(--o); }
@keyframes floaty{ 0%,100%{ transform:translateY(0) rotate(0deg);} 50%{ transform:translateY(-16px) rotate(8deg);} }
@media (prefers-reduced-motion: reduce){ .float-piece{ animation:none; } }

.fp1{ top:-8%; left:-6%; font-size:3.4rem; animation-delay:.2s; }
.fp2{ bottom:2%; left:-9%; font-size:2.2rem; animation-delay:1.4s; }
.fp3{ top:6%; right:-9%; font-size:2.6rem; animation-delay:.8s; }
.fp4{ bottom:-6%; right:-4%; font-size:3.1rem; animation-delay:2.1s; }

.game-card{
  width:100%; max-width:400px; background:var(--ink-surface);
  border:1px solid var(--ink-line); border-radius:var(--radius-lg);
  padding:22px; box-shadow:var(--shadow-2);
  animation:hover-float 5.5s ease-in-out infinite;
}
@keyframes hover-float{ 0%,100%{ transform:translateY(0);} 50%{ transform:translateY(-10px);} }
@media (prefers-reduced-motion: reduce){ .game-card{ animation:none; } }

.player-row{ display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:18px; }
.player-card{
  flex:1; display:flex; flex-direction:column; gap:2px; padding:12px 14px;
  border-radius:14px; border:1px solid var(--ink-line); background:var(--ink-surface-2);
  transition:border-color .25s ease, box-shadow .25s ease;
}
.player-card .p-name{ font-size:.68rem; letter-spacing:.1em; text-transform:uppercase; color:var(--ink-muted); font-family:var(--font-mono); }
.player-card .p-score{ font-family:var(--font-mono); font-size:1.6rem; font-weight:700; font-variant-numeric:tabular-nums; }
.player-card.you{ border-left:3px solid var(--x); }
.player-card.you .p-score{ color:var(--x); }
.player-card.cpu{ border-left:3px solid var(--o); text-align:right; }
.player-card.cpu .p-score{ color:var(--o); }
.player-card.cpu .p-name{ text-align:right; }
.player-card.active{ box-shadow:0 0 0 2px var(--gold) inset; }

.board{
  position:relative; display:grid; grid-template-columns:repeat(3,1fr);
  gap:8px; aspect-ratio:1/1; background:var(--ink-line); border-radius:16px; padding:8px;
}
.cell{
  background:var(--ink-surface-2); border-radius:10px;
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:800;
  font-size:clamp(1.4rem,4vw,2.2rem);
}
.cell.x{ color:var(--x); }
.cell.o{ color:var(--o); }
.cell svg{ width:52%; height:52%; }

.win-line{
  position:absolute; height:6px; border-radius:6px; background:var(--gold);
  top:50%; left:50%; width:0; box-shadow:0 0 16px rgba(255,194,75,.7);
  transform:translate(-50%,-50%) rotate(var(--rot,0deg)) scaleX(0);
  transition:transform .5s cubic-bezier(.2,.8,.2,1);
}
.win-line.show{ transform:translate(-50%,-50%) rotate(var(--rot,0deg)) scaleX(1); width:var(--w,94%); }

.status-row{ display:flex; align-items:center; justify-content:center; margin-top:16px; }
.status-pill{
  font-family:var(--font-mono); font-weight:700; font-size:.85rem; letter-spacing:.06em;
  text-transform:uppercase; padding:.55rem 1.1rem; border-radius:999px;
  background:var(--o-soft); color:var(--o); border:1px solid rgba(23,214,194,.35);
}
.status-pill.win{ background:rgba(255,194,75,.16); color:var(--gold); border-color:rgba(255,194,75,.4); }

/* ---------- trust strip ---------- */
.trust-strip{ padding:26px 0; background:var(--paper-surface); border-top:1px solid var(--paper-line); border-bottom:1px solid var(--paper-line); }
.trust-row{
  display:flex; flex-wrap:wrap; justify-content:center; gap:2.4rem 2.6rem;
}
.trust-item{ display:flex; align-items:center; gap:.55rem; font-weight:700; font-size:.92rem; color:var(--paper-text); }
.trust-item svg{ width:18px; height:18px; color:var(--o-strong); flex:none; }

/* ---------- why cards ---------- */
.why-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.why-card{
  background:var(--paper-surface); border:1px solid var(--paper-line); border-radius:var(--radius-md);
  padding:28px 24px; transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.why-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-1); border-color:var(--o); }
.why-icon{
  width:46px; height:46px; border-radius:13px; display:flex; align-items:center; justify-content:center;
  background:var(--x-soft); color:var(--x-strong); margin-bottom:18px;
}
.why-card:nth-child(2n) .why-icon{ background:var(--o-soft); color:var(--o-strong); }
.why-icon svg{ width:22px; height:22px; }
.why-card h3{ font-size:1.08rem; margin-bottom:.5rem; }
.why-card p{ font-size:.94rem; color:var(--paper-muted); line-height:1.55; }

/* ---------- game modes ---------- */
.modes-grid{ display:grid; grid-template-columns:1fr 1fr; gap:24px; }
.mode-card{
  background:var(--ink-surface); border:1px solid var(--ink-line); border-radius:var(--radius-lg);
  padding:34px; display:flex; flex-direction:column; gap:18px;
  transition:transform .25s ease, box-shadow .25s ease;
}
.mode-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-2); }
.mode-icon{ font-size:2.2rem; }
.mode-card h3{ font-size:1.5rem; color:var(--ink-text); }
.mode-card p{ color:var(--ink-muted); font-size:.98rem; max-width:44ch; }
.pill-row{ display:flex; gap:.5rem; flex-wrap:wrap; }
.pill{
  font-family:var(--font-mono); font-size:.7rem; font-weight:700; letter-spacing:.08em;
  padding:.4rem .8rem; border-radius:999px; border:1px solid var(--ink-line); color:var(--ink-muted);
}
.mode-visual{
  display:flex; align-items:center; justify-content:center; gap:1.2rem;
  padding:20px; border-radius:16px; background:var(--ink-surface-2); margin-top:6px;
}
.vs-token{
  width:52px; height:52px; border-radius:14px; display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:800; font-size:1.4rem;
}
.vs-token.x{ background:var(--x-soft); color:var(--x); }
.vs-token.o{ background:var(--o-soft); color:var(--o); }
.vs-label{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.14em; color:var(--ink-muted); }
.mode-card .btn{ align-self:flex-start; margin-top:4px; }

/* ---------- AI difficulty ---------- */
.ai-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.ai-card{
  background:var(--ink-surface); border:1px solid var(--ink-line); border-radius:var(--radius-md);
  padding:28px; display:flex; flex-direction:column; gap:14px;
}
.ai-card h3{ font-family:var(--font-mono); font-size:.85rem; letter-spacing:.14em; color:var(--ink-text); }
.ai-card p{ color:var(--ink-muted); font-size:.95rem; line-height:1.55; }
.pips{ display:flex; gap:8px; margin-top:auto; }
.pip{
  width:16px; height:16px; border-radius:50%; background:var(--ink-line);
  transition:background-color .4s ease, box-shadow .4s ease, transform .4s ease;
  transform:scale(.8);
}
.ai-card.reveal.visible .pip.filled{ background:var(--gold); box-shadow:0 0 12px rgba(255,194,75,.55); transform:scale(1); }
.ai-card.reveal.visible .pip{ transform:scale(1); }
.ai-card.hard .pip.filled{ background:var(--x); box-shadow:0 0 12px rgba(255,90,60,.5); }

/* ---------- how it works ---------- */
.how-steps{ display:flex; align-items:flex-start; gap:0; }
.how-step{ flex:1; display:flex; flex-direction:column; gap:16px; text-align:left; }
.how-arrow{ flex:none; align-self:center; margin:0 6px; padding-top:40px; color:var(--paper-muted); font-size:1.6rem; }
.step-number{ font-family:var(--font-mono); font-size:.78rem; letter-spacing:.1em; color:var(--x); }
.how-step h3{ font-size:1.25rem; }
.step-visual{
  background:var(--paper-surface); border:1px solid var(--paper-line); border-radius:var(--radius-md);
  padding:18px; box-shadow:var(--shadow-1);
}
.mini-board{ display:grid; grid-template-columns:repeat(3,1fr); gap:6px; aspect-ratio:1/1; }
.mini-cell{
  background:var(--paper); border-radius:8px; display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:800; font-size:1.3rem;
}
.mini-cell.x{ color:var(--x); } .mini-cell.o{ color:var(--o); }
.step-visual.win-visual{ position:relative; overflow:hidden; }
.step-visual.win-visual .win-line{ background:var(--gold); }

/* ---------- interactive demo ---------- */
.demo-wrap{
  display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center;
}
.demo-panel{
  background:var(--paper-surface); border:1px solid var(--paper-line); border-radius:var(--radius-lg);
  padding:26px; box-shadow:var(--shadow-1); max-width:420px; margin:0 auto;
}
.demo-status-row{ display:flex; align-items:center; justify-content:space-between; margin-bottom:16px; }
#demoStatus{ font-family:var(--font-mono); font-weight:700; font-size:.95rem; letter-spacing:.02em; }
.demo-tally{ font-family:var(--font-mono); font-size:.72rem; color:var(--paper-muted); letter-spacing:.03em; }
.demo-board .cell{ background:var(--paper); cursor:pointer; border:1px solid var(--paper-line); }
.demo-board{ background:var(--paper-line); }
.demo-board .cell:hover:not(.x):not(.o){ background:#e2e5ee; }
.demo-board .cell:focus-visible{ outline-offset:-3px; }
.demo-actions{ display:flex; justify-content:center; margin-top:18px; }
.demo-caption{ margin-top:14px; text-align:center; font-size:.8rem; color:var(--paper-muted); }

/* ---------- phone component ---------- */
.phone{
  width:260px; background:#0d0e13; border-radius:38px; padding:12px;
  box-shadow:0 30px 60px -20px rgba(20,21,27,.45), inset 0 0 0 2px #2a2c38;
}
.phone.small{ width:190px; padding:9px; border-radius:28px; }
.phone-notch{ height:20px; display:flex; align-items:center; justify-content:center; }
.phone-notch::before{ content:""; width:56px; height:6px; border-radius:4px; background:#2a2c38; }
.phone.small .phone-notch{ height:14px; }
.phone.small .phone-notch::before{ width:38px; height:5px; }
.phone-screen{
  background:var(--ink-surface); border-radius:26px; padding:18px 16px; min-height:420px;
  display:flex; flex-direction:column; gap:14px; color:var(--ink-text);
}
.phone.small .phone-screen{ min-height:300px; padding:12px 10px; border-radius:18px; gap:9px; }
.ps-title{ font-family:var(--font-display); font-weight:800; font-size:.85rem; text-align:center; letter-spacing:.02em; }
.phone.small .ps-title{ font-size:.68rem; }
.ps-players{ display:flex; justify-content:space-between; font-family:var(--font-mono); font-size:.7rem; color:var(--ink-muted); }
.ps-scores{ display:flex; justify-content:space-between; font-family:var(--font-mono); font-weight:700; font-size:1.1rem; margin-top:-8px; }
.ps-scores .you{ color:var(--x); } .ps-scores .cp{ color:var(--o); }
.phone .board{ padding:6px; gap:5px; border-radius:12px; }
.phone .cell{ border-radius:7px; font-size:1rem; }
.phone.small .cell{ font-size:.72rem; border-radius:5px; }
.ps-banner{
  text-align:center; font-family:var(--font-mono); font-weight:700; font-size:.72rem;
  letter-spacing:.08em; color:var(--gold); text-transform:uppercase;
}
.ps-btn{
  margin-top:auto; text-align:center; background:var(--x); color:#fff; border-radius:999px;
  padding:.6rem; font-weight:700; font-size:.78rem;
}
.ps-menu{ display:flex; flex-direction:column; gap:8px; margin-top:auto; }
.ps-menu div{ background:var(--ink-surface-2); border-radius:10px; padding:.55rem .7rem; font-size:.72rem; font-weight:700; display:flex; justify-content:space-between; align-items:center; }
.ps-menu span.tag{ font-family:var(--font-mono); font-size:.58rem; color:var(--ink-muted); }
.ps-stats-grid{ display:grid; grid-template-columns:1fr 1fr; gap:8px; margin-top:auto; }
.ps-stats-grid div{ background:var(--ink-surface-2); border-radius:10px; padding:.6rem; text-align:center; }
.ps-stats-grid strong{ display:block; font-family:var(--font-mono); font-size:1.05rem; }
.ps-stats-grid span{ font-size:.58rem; color:var(--ink-muted); letter-spacing:.04em; text-transform:uppercase; }

/* ---------- showcase (big phone) ---------- */
.showcase-grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:64px; align-items:center; }
.showcase-phone-wrap{ position:relative; display:flex; justify-content:center; }
.showcase-phone-wrap .phone{ width:300px; }
.float-badge{
  position:absolute; font-family:var(--font-mono); font-weight:700; font-size:.72rem;
  letter-spacing:.08em; text-transform:uppercase; padding:.55rem 1rem; border-radius:999px;
  background:var(--ink-surface); border:1px solid var(--ink-line); box-shadow:var(--shadow-1);
  animation:floaty 6s ease-in-out infinite;
}
.fb1{ top:10%; left:-6%; color:var(--o); animation-delay:.3s; }
.fb2{ top:44%; right:-10%; color:var(--x); animation-delay:1.6s; }
.fb3{ bottom:8%; left:-2%; color:var(--gold); animation-delay:1s; }
.showcase-copy h3{ font-size:1.7rem; margin-bottom:1rem; }
.showcase-copy p{ color:var(--ink-muted); max-width:42ch; }
.showcase-list{ margin-top:1.8rem; display:flex; flex-direction:column; gap:.9rem; }
.showcase-list li{ display:flex; gap:.7rem; align-items:flex-start; font-size:.96rem; color:var(--ink-text); }
.showcase-list svg{ width:19px; height:19px; flex:none; margin-top:2px; color:var(--o); }

/* ---------- screenshot gallery ---------- */
.gallery-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; justify-items:center; }
.gallery-item{ display:flex; flex-direction:column; align-items:center; gap:14px; }
.gallery-item span{ font-size:.82rem; font-weight:700; color:var(--paper-muted); }

/* ---------- stats ---------- */
.stats-grid{ display:grid; grid-template-columns:repeat(5,1fr); gap:18px; }
.stat-card{
  background:var(--ink-surface); border:1px solid var(--ink-line); border-radius:var(--radius-md);
  padding:24px 18px; text-align:center;
}
.stat-value{ font-family:var(--font-mono); font-weight:700; font-size:2.1rem; color:var(--o); font-variant-numeric:tabular-nums; }
.stat-card:nth-child(2) .stat-value{ color:var(--o); }
.stat-card:nth-child(3) .stat-value{ color:var(--x); }
.stat-card:nth-child(5) .stat-value{ color:var(--gold); }
.stat-label{ margin-top:.4rem; font-size:.76rem; letter-spacing:.06em; text-transform:uppercase; color:var(--ink-muted); font-family:var(--font-mono); }
.stats-note{ margin-top:36px; text-align:center; color:var(--ink-muted); font-size:.92rem; }

/* ---------- offline ---------- */
.offline-grid{ display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
.offline-visual{
  position:relative; background:var(--paper-surface); border:1px solid var(--paper-line);
  border-radius:var(--radius-lg); padding:40px; display:flex; flex-direction:column; align-items:center; gap:18px;
  box-shadow:var(--shadow-1);
}
.offline-icon{ width:64px; height:64px; color:var(--o-strong); }
.offline-mini-board{ width:160px; }
.offline-tag{
  font-family:var(--font-mono); font-weight:700; font-size:.72rem; letter-spacing:.1em;
  padding:.5rem 1rem; border-radius:999px; background:var(--x-soft); color:var(--x-strong);
}
.benefits-row{ display:flex; gap:14px; margin-top:2rem; flex-wrap:wrap; }
.benefit{
  flex:1; min-width:150px; display:flex; flex-direction:column; gap:.5rem;
  background:var(--paper-surface); border:1px solid var(--paper-line); border-radius:14px; padding:18px;
}
.benefit svg{ width:22px; height:22px; color:var(--o-strong); }
.benefit strong{ font-size:.95rem; }

/* ---------- sound / settings ---------- */
.sound-grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:56px; align-items:center; }
.sound-list{ display:flex; flex-direction:column; gap:1rem; margin-top:1.6rem; }
.sound-list li{ display:flex; gap:.7rem; align-items:flex-start; font-size:.98rem; }
.sound-list svg{ width:20px; height:20px; color:var(--x); flex:none; margin-top:2px; }
.settings-card{
  background:var(--ink-surface); border:1px solid var(--ink-line); border-radius:var(--radius-lg);
  padding:26px; max-width:380px; margin-left:auto;
}
.settings-card h4{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.12em; color:var(--ink-muted); text-transform:uppercase; margin-bottom:6px; }
.setting-row{ display:flex; align-items:center; justify-content:space-between; padding:16px 0; border-top:1px solid var(--ink-line); }
.setting-row:first-of-type{ border-top:none; }
.setting-label{ font-weight:700; font-size:.98rem; }
.switch{ position:relative; width:48px; height:28px; }
.switch input{ position:absolute; inset:0; opacity:0; margin:0; cursor:pointer; }
.switch .track{
  position:absolute; inset:0; border-radius:999px; background:var(--ink-line);
  transition:background-color .2s ease;
}
.switch .thumb{
  position:absolute; top:3px; left:3px; width:22px; height:22px; border-radius:50%; background:#fff;
  transition:transform .2s ease; box-shadow:0 1px 3px rgba(0,0,0,.3);
}
.switch input:checked + .track{ background:var(--o-strong); }
.switch input:checked + .track + .thumb{ transform:translateX(20px); }
.switch input:focus-visible + .track{ outline:3px solid var(--o); outline-offset:2px; }
.setting-state{ font-family:var(--font-mono); font-size:.72rem; color:var(--ink-muted); margin-right:10px; }
.segmented{ display:flex; background:var(--ink-surface-2); border-radius:999px; padding:3px; gap:2px; }
.segmented button{
  padding:.4rem .8rem; border-radius:999px; font-size:.74rem; font-weight:700; color:var(--ink-muted);
  transition:background-color .2s ease, color .2s ease;
}
.segmented button.active{ background:var(--o-strong); color:#08201d; }

/* ---------- ads ---------- */
.ads-section{ text-align:center; }
.ads-section .section-desc{ margin-left:auto; margin-right:auto; }
.ads-note{
  display:inline-flex; align-items:center; gap:.6rem; margin-top:1.8rem;
  font-family:var(--font-mono); font-size:.78rem; color:var(--paper-muted);
  border:1px dashed var(--paper-line); padding:.7rem 1.2rem; border-radius:999px;
}

/* ---------- testimonials ---------- */
.testimonials-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.testimonial-card{
  background:var(--paper-surface); border:1px solid var(--paper-line); border-radius:var(--radius-md);
  padding:28px; display:flex; flex-direction:column; gap:16px;
}
.quote-mark{ font-family:var(--font-display); font-size:2.4rem; color:var(--x); line-height:1; }
.testimonial-card p.quote{ font-size:1.02rem; line-height:1.55; }
.testimonial-foot{ display:flex; align-items:center; justify-content:space-between; margin-top:auto; }
.testimonial-foot span{ font-weight:700; font-size:.88rem; color:var(--paper-muted); }
.stars{ color:var(--gold); font-size:.85rem; letter-spacing:1px; }
.placeholder-note{ text-align:center; margin-top:26px; font-size:.8rem; color:var(--paper-muted); }

/* ---------- FAQ ---------- */
.faq-list{ max-width:760px; margin:0 auto; display:flex; flex-direction:column; gap:12px; }
.faq-item{ background:var(--ink-surface); border:1px solid var(--ink-line); border-radius:16px; overflow:hidden; }
.faq-question{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:1rem;
  padding:20px 22px; text-align:left; font-weight:700; font-size:1rem; color:var(--ink-text);
}
.faq-question .plus{ flex:none; width:22px; height:22px; position:relative; }
.faq-question .plus::before, .faq-question .plus::after{
  content:""; position:absolute; background:var(--o); border-radius:2px;
}
.faq-question .plus::before{ top:50%; left:2px; right:2px; height:2px; transform:translateY(-1px); }
.faq-question .plus::after{ left:50%; top:2px; bottom:2px; width:2px; transform:translateX(-1px); transition:transform .25s ease, opacity .25s ease; }
.faq-item[data-open="true"] .plus::after{ transform:translateX(-1px) rotate(90deg); opacity:0; }
.faq-answer{ display:grid; grid-template-rows:0fr; transition:grid-template-rows .3s ease; }
.faq-answer-inner{ overflow:hidden; }
.faq-item[data-open="true"] .faq-answer{ grid-template-rows:1fr; }
.faq-answer p{ padding:0 22px 22px; color:var(--ink-muted); font-size:.96rem; line-height:1.6; max-width:62ch; }

/* ---------- final CTA ---------- */
.final-cta{ text-align:center; padding:120px 0; }
.final-cta .decor-x, .final-cta .decor-o{
  position:absolute; font-family:var(--font-display); font-weight:900; opacity:.08; pointer-events:none;
}
.final-cta .decor-x{ font-size:22rem; top:-6rem; left:-4rem; color:var(--x); }
.final-cta .decor-o{ font-size:18rem; bottom:-7rem; right:-3rem; color:var(--o); }
.final-cta-inner{ max-width:640px; margin:0 auto; }
.final-cta h2{ font-size:clamp(2.2rem,4.6vw,3.4rem); }
.final-cta p{ margin-top:1.1rem; font-size:1.1rem; color:var(--ink-muted); }
.final-cta .hero-ctas{ justify-content:center; margin-top:2.4rem; }

/* ---------- footer ---------- */
.footer{ background:var(--ink-surface); border-top:1px solid var(--ink-line); padding:64px 0 28px; }
.footer-grid{ display:grid; grid-template-columns:1.3fr 1fr 1fr; gap:40px; }
.footer-brand .brand-name{ color:var(--ink-text); }
.footer-tagline{ margin-top:.9rem; color:var(--ink-muted); font-size:.94rem; max-width:32ch; }
.footer-col h4{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.12em; text-transform:uppercase; color:var(--ink-muted); margin-bottom:1rem; }
.footer-col ul{ display:flex; flex-direction:column; gap:.7rem; }
.footer-col a{ color:var(--ink-text); font-size:.94rem; opacity:.85; transition:opacity .2s ease, color .2s ease; }
.footer-col a:hover{ opacity:1; color:var(--o); }
.store-buttons{ display:flex; flex-direction:column; gap:10px; margin-top:.2rem; }
.store-btn{
  display:flex; align-items:center; gap:.6rem; border:1px solid var(--ink-line); border-radius:12px;
  padding:.7rem .9rem; font-size:.85rem; font-weight:700; color:var(--ink-text);
  transition:border-color .2s ease, transform .2s ease;
}
.store-btn:hover{ border-color:var(--o); transform:translateY(-2px); }
.store-btn svg{ width:20px; height:20px; color:var(--o); }
.footer-bottom{
  margin-top:52px; padding-top:24px; border-top:1px solid var(--ink-line);
  display:flex; justify-content:center; align-items:center; flex-wrap:wrap; gap:12px;
  font-size:.82rem; color:var(--ink-muted);
}
.footer-legal{ display:flex; gap:1.4rem; }
.footer-legal a:hover{ color:var(--o); }

/* ---------- reveal-on-scroll ---------- */
.reveal{ opacity:1; transform:none; transition:opacity .6s ease, transform .6s ease; }
@media (prefers-reduced-motion: no-preference){
  .reveal{ opacity:0; transform:translateY(22px); }
  .reveal.visible{ opacity:1; transform:none; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1024px){
  .why-grid{ grid-template-columns:repeat(2,1fr); }
  .ai-grid{ grid-template-columns:repeat(3,1fr); gap:14px; }
  .stats-grid{ grid-template-columns:repeat(3,1fr); }
  .gallery-grid{ grid-template-columns:repeat(2,1fr); }
  .showcase-grid, .offline-grid, .sound-grid{ gap:40px; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
}

@media (max-width:900px){
  .nav-links{ display:none; }
  .hamburger{ display:flex; }
  .mobile-menu{ display:block; }
  .hero-grid{ grid-template-columns:1fr; }
  .hero-ctas{ justify-content:flex-start; }
  .hero-board-wrap{ margin-top:20px; }
  .modes-grid{ grid-template-columns:1fr; }
  .demo-wrap{ grid-template-columns:1fr; }
  .demo-wrap .demo-copy{ order:2; text-align:center; }
  .demo-wrap .demo-copy .section-head{ margin-left:auto; margin-right:auto; text-align:center; }
  .showcase-grid{ grid-template-columns:1fr; }
  .showcase-phone-wrap{ order:-1; margin-bottom:20px; }
  .offline-grid{ grid-template-columns:1fr; }
  .offline-visual{ order:-1; }
  .sound-grid{ grid-template-columns:1fr; }
  .settings-card{ margin:0 auto; }
  .how-steps{ flex-direction:column; }
  .how-arrow{ display:none; }
  .how-step{ display:grid; grid-template-columns:120px 1fr; align-items:center; gap:18px; text-align:left; }
  .step-visual{ width:120px; }
  .footer-grid{ grid-template-columns:1fr; gap:32px; }
}

@media (max-width:640px){
  .section{ padding:72px 0; }
  .wrap{ padding:0 18px; }
  .why-grid{ grid-template-columns:1fr; }
  .ai-grid{ grid-template-columns:1fr; }
  .stats-grid{ grid-template-columns:repeat(2,1fr); }
  .gallery-grid{ grid-template-columns:repeat(2,1fr); gap:14px; }
  .phone{ width:150px; padding:8px; border-radius:26px; }
  .phone .phone-screen{ min-height:230px; padding:10px 8px; border-radius:16px; gap:7px; }
  .phone .cell{ font-size:.62rem; }
  .trust-row{ gap:1.1rem 1.4rem; justify-content:flex-start; }
  .final-cta{ padding:80px 0; }
  .final-cta .decor-x, .final-cta .decor-o{ display:none; }
  .testimonials-grid{ grid-template-columns:1fr; }
  .footer-bottom{ flex-direction:column; align-items:flex-start; }
}
.cell-dark h1,
.cell-dark h2,
.cell-dark h3 {
    color: #fff;
}
a:hover, a:focus {
    color: inherit;
}

section.page-baner {
    background: #14151b;
    text-align: center;
    padding: 100px;
}
.baner-title h1 {
    color: #fff;
    font-size: 56px;
}
.privacy-policy {
    padding: 50px 0px;
    display: grid;
    gap: 10px;
}


section.contact-sec {
    padding: 70px 0px;
}
.contact-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 25px;
}
.feature-icon svg {
    width: 28px;
    height: 28px;
}
.contact-form .feature-icon {
    text-align: center;
    width: 60px;
    height: 60px;
    margin: 0 auto;
    border: 1px solid #171932;
    background: #fff;
    border-radius: 50px;
    display: grid;
    align-items: center;
    justify-content: center;
}
.feature-card h3 {
    color: #fff;
}
.feature-card p {
    color: #fff;
}
.feature-card.reveal.in {
    text-align: center;
    padding: 30px;
    border: 1px solid #0d2c1f4d;
    background: #14151b;
    border-radius: 12px;
    display: grid;
    gap: 15px;
}
.form-wrapper {
    background: #14151b;
    padding: 20px;
    border: 1px solid #8b5cf624;
    border-radius: 18px;
}
.form-header {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #8b5cf624;
}
.form-header h3 {
    font-size: 40px;
    color: #fff;
}
.form-header p {
    font-size: 17px;
    color: #fff;
}
.input-field {
    margin-bottom: 12px;
}
.grid-field {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.input-field label {
    display: inline-block;
    margin-bottom: 10px;
    font-size: 16px;
    color: #fff;
}
.custom-field {
    height: 50px !important;
    color: #000 !important;
    border: 1px solid #e9ddff !important;
    border-radius: 8px !important;
    box-shadow: unset !important;
}
textarea.wpcf7-form-control.wpcf7-textarea.custom-field {
    height: auto !important;
}
.form-btn .btn-form {
    width: 100%;
    background: #ff5a3c !important;
}
span.wpcf7-spinner {
    position: absolute;
    right: 0;
    bottom: -28px;
}
section.contact-form {
    padding: 70px 0px;
}
a.social-icon {
    display: flex;
}
.faq-item button.faq-question {
    background: transparent;
}
.custom-logo-link img.custom-logo {
    width: 38px;
    height: 38px;
}
a.brand {
    text-transform: uppercase;
}
@media(max-width:767px){
    section.page-baner {
        padding: 50px 20px;
    }
    .baner-title h1 {
        font-size: 40px;
    }
    .contact-grid {
        grid-template-columns: repeat(1, 1fr);
    }
    .form-wrapper {
        padding: 30px 20px;
    }
    .form-grid {
        display: grid;
        grid-template-columns: repeat(1, 1fr);
        gap: 20px;
    }
}