/* ============================================================
   DANDORI — product landing
   Brand: ink #0b0a09 · paper #f3eee3 · vermillion #e6391c
   Type: Zen Kaku Gothic New · Shippori Mincho · JetBrains Mono · Inter
   Katana-slice + ember vocabulary ported from the Dandori sales intro.
   ============================================================ */

:root{
  --ink:#0b0a09;
  --ink-soft:#15120f;
  --ink-card:#1a1611;
  --ink-card-2:#100d09;
  --paper:#f3eee3;
  --paper-dim:rgba(243,238,227,.62);
  --paper-faint:rgba(243,238,227,.32);
  --hair:rgba(243,238,227,.10);
  --hair-strong:rgba(243,238,227,.18);
  --accent:#e6391c;
  --crimson:#cc2036;
  --shu:#ef5340;
  --accent-glow:rgba(230,57,28,.35);
  --ease:cubic-bezier(.16,1,.3,1);
  --maxw:1180px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--ink);
  color:var(--paper);
  font-family:"Inter",system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
  line-height:1.65;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* ---------- Background layers ---------- */
.bgwrap{position:fixed;inset:0;z-index:-3;
  background:radial-gradient(130% 100% at 50% 0%, #15120e 0%, var(--ink) 58%, #060504 100%);}
.ember-canvas{position:fixed;inset:0;z-index:-2;pointer-events:none}
.grain{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.045;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");}
.vignette{position:fixed;inset:0;z-index:-1;pointer-events:none;box-shadow:inset 0 0 240px rgba(0,0,0,.6)}

/* ---------- Type primitives ---------- */
.zen{font-family:"Zen Kaku Gothic New",sans-serif}
.kanji{font-family:"Shippori Mincho",serif;font-weight:800}
.mono{font-family:"JetBrains Mono",monospace}

.eyebrow{font-family:"JetBrains Mono",monospace;font-size:.74rem;letter-spacing:.34em;
  text-transform:uppercase;color:var(--accent);display:inline-flex;align-items:center;gap:.7em}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent);display:inline-block}

h1,h2,h3,h4{font-family:"Zen Kaku Gothic New",sans-serif;font-weight:900;line-height:1.04;letter-spacing:.01em}
.display{font-size:clamp(2.5rem,6.4vw,5.6rem);text-transform:uppercase}
.display .accent{color:var(--accent)}
.h-big{font-size:clamp(2rem,4.6vw,3.6rem);text-transform:uppercase}
.h-mid{font-size:clamp(1.25rem,2.2vw,1.7rem)}
.lede{font-size:clamp(1.02rem,1.7vw,1.32rem);color:var(--paper-dim);max-width:54ch;line-height:1.6}
.lede strong{color:var(--paper);font-weight:600}

/* ---------- Layout ---------- */
section{position:relative;padding:clamp(72px,11vh,140px) 24px}
.inner{max-width:var(--maxw);margin:0 auto}
.section-head{max-width:64ch;margin-bottom:clamp(36px,6vh,64px)}
.section-head .lede{margin-top:18px}

/* ---------- Nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:60;
  transition:background .4s var(--ease),border-color .4s var(--ease),backdrop-filter .4s var(--ease);
  border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(11,10,9,.78);backdrop-filter:blur(14px);border-bottom-color:var(--hair)}
.nav-inner{max-width:var(--maxw);margin:0 auto;height:72px;display:flex;align-items:center;
  justify-content:space-between;padding:0 24px}
.brand{display:flex;align-items:center;gap:12px}
.seal{width:38px;height:38px;border-radius:9px;background:var(--accent);display:grid;place-items:center;
  box-shadow:0 0 0 1px rgba(0,0,0,.25) inset,0 8px 22px rgba(204,32,54,.32)}
.seal span{font-family:"Shippori Mincho",serif;font-weight:800;color:var(--ink);font-size:22px;line-height:1}
.brand-text{font-family:"Zen Kaku Gothic New",sans-serif;font-weight:900;letter-spacing:.06em;font-size:.98rem}
.brand-text em{font-style:normal;color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-link{font-size:.86rem;color:var(--paper-dim);transition:color .25s;letter-spacing:.01em}
.nav-link:hover{color:var(--paper)}
.nav-cta{font-family:"JetBrains Mono",monospace;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;
  padding:10px 18px;border-radius:8px;background:var(--accent);color:var(--ink);font-weight:500;
  transition:transform .25s var(--ease),box-shadow .25s}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 26px var(--accent-glow)}
.nav-back{font-family:"JetBrains Mono",monospace;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--paper-faint);transition:color .25s}
.nav-back:hover{color:var(--accent)}
.hamburger{display:none}

/* ---------- Hero ---------- */
.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;
  padding-top:120px;overflow:hidden}
.hero .kanji-bg{position:absolute;right:-4vw;top:50%;transform:translateY(-50%);
  font-family:"Shippori Mincho",serif;font-weight:800;color:rgba(230,57,28,.05);
  font-size:64vh;line-height:1;z-index:-1;pointer-events:none;user-select:none}
.hero .eyebrow{margin-bottom:26px}
.hero h1{margin-bottom:8px}
.hero-sub{font-family:"Shippori Mincho",serif;font-size:clamp(1.1rem,2vw,1.6rem);color:var(--paper-dim);
  font-weight:600;letter-spacing:.04em;margin:10px 0 26px}
/* katana slash line under the headline */
.slash{height:3px;width:0;background:linear-gradient(90deg,transparent,#fff 12%,var(--accent) 50%,var(--crimson) 82%,transparent);
  box-shadow:0 0 22px 1px var(--accent-glow);margin:6px 0 28px;border-radius:2px}
.hero.in .slash{animation:slashGrow 1s var(--ease) .5s forwards}
@keyframes slashGrow{to{width:min(560px,80vw)}}
.hero .lede{margin-bottom:36px}
.btn-row{display:flex;gap:14px;flex-wrap:wrap}
.btn{font-family:"JetBrains Mono",monospace;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;
  padding:15px 26px;border-radius:10px;font-weight:500;transition:transform .25s var(--ease),box-shadow .25s,border-color .25s,background .25s;
  display:inline-flex;align-items:center;gap:10px}
.btn-primary{background:var(--accent);color:var(--ink)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 34px var(--accent-glow)}
.btn-ghost{border:1px solid var(--hair-strong);color:var(--paper)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-3px)}
.scroll-hint{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);
  font-family:"JetBrains Mono",monospace;font-size:.66rem;letter-spacing:.3em;text-transform:uppercase;
  color:var(--paper-faint);animation:bob 2.4s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(6px)}}

/* ---------- Split / two pillars ---------- */
.pillars{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:8px}
.pillar{position:relative;border:1px solid var(--hair);border-radius:18px;padding:40px 34px;overflow:hidden;
  min-height:300px;display:flex;flex-direction:column;justify-content:flex-end;gap:14px}
.pillar.service{background:linear-gradient(160deg,#10171f,#0a0d12)}
.pillar.security{background:linear-gradient(160deg,#241010,#140a08)}
.pillar .pico{width:48px;height:48px;stroke-width:1.5;fill:none;margin-bottom:auto}
.pillar.service .pico{stroke:var(--paper)}
.pillar.security .pico{stroke:var(--accent)}
.pillar .tagband{font-family:"JetBrains Mono",monospace;font-size:.68rem;letter-spacing:.3em;text-transform:uppercase}
.pillar.service .tagband{color:var(--paper-dim)}
.pillar.security .tagband{color:var(--accent)}
.pillar h3{font-size:clamp(1.5rem,3vw,2.3rem);text-transform:uppercase}
.pillar p{color:var(--paper-dim);font-size:.96rem;max-width:34ch}
.pillar .seam{position:absolute;top:0;bottom:0;right:-9px;width:1px;
  background:linear-gradient(transparent,var(--accent),transparent)}
.split-foot{text-align:center;margin-top:34px}
.split-foot .lede{margin:0 auto}

/* ---------- Feature grids ---------- */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:linear-gradient(165deg,var(--ink-card),var(--ink-card-2));border:1px solid var(--hair);
  border-radius:16px;padding:26px 24px;transition:transform .4s var(--ease),border-color .4s,box-shadow .4s}
.card:hover{transform:translateY(-6px);border-color:var(--hair-strong);box-shadow:0 22px 50px rgba(0,0,0,.5)}
.card .ci{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px}
.card .ci svg{width:24px;height:24px;fill:none;stroke-width:1.7}
.grid.service .card .ci{background:rgba(243,238,227,.07)} .grid.service .card .ci svg{stroke:var(--paper)}
.grid.security .card .ci{background:rgba(230,57,28,.13)} .grid.security .card .ci svg{stroke:var(--accent)}
.card h4{font-family:"Zen Kaku Gothic New",sans-serif;font-size:1.12rem;font-weight:700;margin-bottom:8px;letter-spacing:0}
.card p{color:var(--paper-dim);font-size:.9rem;line-height:1.55}

/* ---------- Everything-in-the-box checklist ---------- */
.feature-list{display:grid;grid-template-columns:repeat(3,1fr);gap:30px 28px}
.fl-col h4{font-family:"Zen Kaku Gothic New",sans-serif;font-weight:700;font-size:1.06rem;margin-bottom:14px;color:var(--paper);letter-spacing:0}
.fl-col ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.fl-col li{position:relative;padding-left:24px;font-size:.9rem;color:var(--paper-dim);line-height:1.5}
.fl-col li::before{content:"";position:absolute;left:0;top:.5em;width:12px;height:7px;
  border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.fl-coming{margin-top:38px;text-align:center;font-family:"JetBrains Mono",monospace;font-size:.82rem;letter-spacing:.04em;color:var(--paper-faint)}
.fl-coming strong{color:var(--accent);font-weight:500}
@media (max-width:900px){.feature-list{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.feature-list{grid-template-columns:1fr}}
.grid-label{font-family:"JetBrains Mono",monospace;font-size:.7rem;letter-spacing:.3em;text-transform:uppercase;
  padding:.5rem 1.1rem;border-radius:999px;display:inline-block;margin-bottom:22px}
.grid-label.service{color:var(--paper);border:1px solid var(--hair-strong);background:rgba(243,238,227,.05)}
.grid-label.security{color:var(--accent);border:1px solid rgba(230,57,28,.4);background:rgba(230,57,28,.08)}

/* ---------- Unify band ---------- */
.unify{text-align:center;border-top:1px solid var(--hair);border-bottom:1px solid var(--hair);
  background:radial-gradient(120% 140% at 50% 0%,rgba(230,57,28,.06),transparent 60%)}
.unify h2{margin:18px 0 40px}
.stats{display:flex;flex-wrap:wrap;justify-content:center;gap:48px}
.stat{display:flex;flex-direction:column;gap:8px}
.stat .num{font-family:"Zen Kaku Gothic New",sans-serif;font-weight:900;font-size:clamp(2.6rem,6vw,4.6rem);line-height:1}
.stat .num .accent{color:var(--accent)}
.stat .lab{font-family:"JetBrains Mono",monospace;font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--paper-dim)}

/* ---------- Differentiators ---------- */
.diff-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.diff{display:flex;gap:18px;align-items:flex-start;padding:28px;border:1px solid var(--hair);border-radius:16px;
  background:linear-gradient(165deg,var(--ink-card),var(--ink-card-2))}
.diff .dico{flex:0 0 44px;width:44px;height:44px;border-radius:11px;background:rgba(230,57,28,.12);display:grid;place-items:center}
.diff .dico svg{width:24px;height:24px;stroke:var(--accent);fill:none;stroke-width:1.7}
.diff h4{font-family:"Zen Kaku Gothic New",sans-serif;font-size:1.1rem;font-weight:700;margin-bottom:6px}
.diff p{color:var(--paper-dim);font-size:.9rem}

/* ---------- Pricing ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tier{border:1px solid var(--hair);border-radius:18px;padding:34px 28px;background:linear-gradient(170deg,var(--ink-card),var(--ink-card-2));
  display:flex;flex-direction:column;gap:16px;transition:transform .4s var(--ease),border-color .4s}
.tier.feature{border-color:rgba(230,57,28,.5);box-shadow:0 0 0 1px rgba(230,57,28,.2),0 24px 60px rgba(0,0,0,.5)}
.tier:hover{transform:translateY(-6px)}
.tier .t-name{font-family:"JetBrains Mono",monospace;font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;color:var(--accent)}
.tier .t-price{font-family:"Zen Kaku Gothic New",sans-serif;font-weight:900;font-size:2rem}
.tier .t-price small{font-family:"Inter",sans-serif;font-weight:400;font-size:.8rem;color:var(--paper-faint)}
.tier ul{list-style:none;display:flex;flex-direction:column;gap:10px;margin:4px 0 8px}
.tier li{font-size:.88rem;color:var(--paper-dim);padding-left:24px;position:relative}
.tier li::before{content:"";position:absolute;left:0;top:.5em;width:12px;height:7px;border-left:2px solid var(--accent);
  border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.tier .btn{margin-top:auto;justify-content:center}
.price-note{text-align:center;margin-top:22px;font-family:"JetBrains Mono",monospace;font-size:.7rem;
  letter-spacing:.1em;color:var(--paper-faint)}

/* ---------- Contact ---------- */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.contact form{display:flex;flex-direction:column;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-family:"JetBrains Mono",monospace;font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--paper-faint)}
.field input,.field textarea{background:var(--ink-soft);border:1px solid var(--hair);border-radius:10px;
  padding:13px 15px;color:var(--paper);font-family:"Inter",sans-serif;font-size:.94rem;transition:border-color .25s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.field textarea{resize:vertical;min-height:110px}
.contact-or{display:flex;align-items:center;gap:12px;margin:20px 0 14px;color:var(--paper-faint);
  font-family:"JetBrains Mono",monospace;font-size:.66rem;letter-spacing:.18em;text-transform:uppercase}
.contact-or::before,.contact-or::after{content:"";flex:1;height:1px;background:var(--hair)}
.contact-direct{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.wa-btn{background:#25D366;color:#06281a;border:none}
.wa-btn:hover{background:#22c35e;color:#06281a;transform:translateY(-3px);box-shadow:0 12px 30px rgba(37,211,102,.3)}
.wa-btn svg{width:20px;height:20px}
.contact-email{font-family:"JetBrains Mono",monospace;font-size:.84rem;color:var(--paper-dim);
  border-bottom:1px solid var(--hair);transition:color .25s,border-color .25s}
.contact-email:hover{color:var(--accent);border-color:var(--accent)}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--hair);padding:48px 24px}
.foot-inner{max-width:var(--maxw);margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.foot-links{display:flex;gap:24px;flex-wrap:wrap}
.foot-links a{font-size:.84rem;color:var(--paper-dim);transition:color .25s}
.foot-links a:hover{color:var(--accent)}
.foot-copy{font-family:"JetBrains Mono",monospace;font-size:.7rem;letter-spacing:.1em;color:var(--paper-faint)}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(28px);filter:blur(4px);transition:opacity .8s var(--ease),transform .8s var(--ease),filter .8s var(--ease)}
.reveal.in{opacity:1;transform:none;filter:blur(0)}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
.reveal.d4{transition-delay:.32s}.reveal.d5{transition-delay:.4s}.reveal.d6{transition-delay:.48s}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .grid,.price-grid{grid-template-columns:1fr 1fr}
  .pillars,.diff-grid,.contact-wrap{grid-template-columns:1fr}
  .pillar .seam{display:none}
  .nav-links{position:fixed;inset:72px 0 auto 0;background:rgba(11,10,9,.96);backdrop-filter:blur(16px);
    flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 20px;border-bottom:1px solid var(--hair);
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:.3s var(--ease)}
  .nav-links.open{transform:none;opacity:1;pointer-events:auto}
  .nav-links a{padding:13px 0;width:100%;border-bottom:1px solid var(--hair)}
  .nav-cta{background:none;color:var(--accent)!important;padding:13px 0}
  .hamburger{display:flex;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
  .hamburger span{width:24px;height:2px;background:var(--paper);transition:.3s}
}
@media (max-width:560px){
  .grid,.price-grid{grid-template-columns:1fr}
  .stats{gap:30px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important}
  .reveal{opacity:1;transform:none;filter:none}
  .slash{width:min(560px,80vw)}
  html{scroll-behavior:auto}
}