/* ============================================================
   Files Crate — shared design system
   Single dark theme, locked. Used by the landing page and every tool page.
   ============================================================ */

/* ============================================================
   TOKENS  (single dark theme, locked)
   ============================================================ */
:root{
  --bg:        #0a0a0b;
  --bg-elev:   #101012;
  --bg-elev-2: #18181b;
  --bg-elev-3: #1f1f23;

  --line:        rgba(255,255,255,.08);
  --line-strong: rgba(255,255,255,.14);

  --text:      #f4f4f5;
  --muted:     #a1a1aa;
  --muted-dim: #71717a;

  --accent:        #bef264;   /* lime-300 */
  --accent-strong: #a3e635;   /* lime-400 */
  --accent-ink:    #0a0a0b;   /* text on accent */
  --accent-soft:   rgba(190,242,100,.12);
  --accent-line:   rgba(190,242,100,.28);

  --danger:        #f87171;   /* rose-400, for failed states */
  --danger-soft:   rgba(248,113,113,.12);
  --danger-line:   rgba(248,113,113,.30);

  --r:    16px;
  --r-sm: 11px;
  --r-pill: 999px;

  --ease: cubic-bezier(.16,1,.3,1);
  --maxw: 1180px;
}

/* ============================================================
   RESET / BASE
   ============================================================ */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"Geist", system-ui, -apple-system, sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
.mono{font-family:"Geist Mono", ui-monospace, monospace}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{position:relative}

/* Ambient grain — fixed, pointer-events-none, doesn't repaint on scroll */
.grain{
  position:fixed;inset:0;z-index:60;pointer-events:none;opacity:.04;
  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");
}

/* ============================================================
   BUTTONS  (shape rule: all interactive = pill)
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;gap:.55em;
  font-family:inherit;font-size:.95rem;font-weight:600;
  padding:.78em 1.35em;border-radius:var(--r-pill);
  border:1px solid transparent;cursor:pointer;
  transition:transform .15s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
  white-space:nowrap;
}
.btn:active{transform:translateY(1px) scale(.985)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn:disabled:active{transform:none}
.btn-primary{background:var(--accent);color:var(--accent-ink);}
.btn-primary:hover:not(:disabled){background:var(--accent-strong)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line-strong)}
.btn-ghost:hover:not(:disabled){border-color:var(--accent-line);background:var(--accent-soft)}
.btn i{font-size:1.15em}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:sticky;top:0;z-index:50;
  height:68px;display:flex;align-items:center;
  background:rgba(10,10,11,.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;width:100%}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:600;letter-spacing:-.01em}
.brand .mark{width:30px;height:30px;flex:none}
.nav-links{display:flex;align-items:center;gap:2rem}
.nav-links a{color:var(--muted);font-size:.92rem;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--text)}
.nav-cta{display:flex;align-items:center;gap:1.1rem}
.nav-secure{
  display:flex;align-items:center;gap:.45em;font-size:.8rem;font-weight:500;color:var(--muted);
  padding:.42em .85em;border:1px solid var(--line);border-radius:var(--r-pill);
}
.nav-secure i{color:var(--accent);font-size:1.05em}
.nav-burger{display:none;background:none;border:0;color:var(--text);font-size:1.5rem;cursor:pointer}
@media(max-width:920px){.nav-secure{display:none}}
@media(max-width:860px){
  .nav-links{display:none}
  .nav-cta .btn span{display:none}
}

/* Persistent trust ribbon — the first thing under the nav */
.trust-ribbon{
  background:
    radial-gradient(120% 100% at 50% 0%, rgba(190,242,100,.06), transparent 70%),
    var(--bg);
  border-bottom:1px solid var(--line);
}
.trust-ribbon .wrap{
  display:flex;align-items:center;justify-content:center;gap:.65rem;flex-wrap:wrap;
  padding:11px 24px;font-size:.84rem;color:var(--muted);text-align:center;
}
.trust-ribbon i{color:var(--accent);font-size:1.05em}
.trust-ribbon strong{color:var(--text);font-weight:600}
.trust-ribbon .sep{width:1px;height:13px;background:var(--line-strong);margin:0 .3rem}
@media(max-width:620px){.trust-ribbon .sep{display:none}}

/* ============================================================
   HERO  (asymmetric split)
   ============================================================ */
.hero{padding:clamp(56px,9vw,104px) 0 84px;overflow:hidden}
.hero::before{
  content:"";position:absolute;top:-220px;left:50%;transform:translateX(-30%);
  width:760px;height:760px;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle, rgba(190,242,100,.14), transparent 62%);
  filter:blur(20px);
}
.hero-watermark{
  position:absolute;right:-3vw;top:46%;transform:translateY(-50%);
  font-size:clamp(380px,44vw,720px);line-height:1;
  color:var(--accent);opacity:.035;pointer-events:none;z-index:0;
}
@media(max-width:860px){.hero-watermark{top:8%;right:-18vw;opacity:.045}}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,72px);
  align-items:center;position:relative;z-index:1;
}
.chip{
  display:inline-flex;align-items:center;gap:.5em;
  font-size:.78rem;font-weight:500;letter-spacing:.01em;
  padding:.45em .9em;border-radius:var(--r-pill);
  background:var(--accent-soft);border:1px solid var(--accent-line);color:var(--accent);
  margin-bottom:1.5rem;
}
.chip i{font-size:1.05em}
h1{
  font-size:clamp(2.6rem,5.4vw,4.05rem);
  line-height:1.03;letter-spacing:-.035em;font-weight:600;
}
h1 .hl{color:var(--accent)}
.hero p.lead{
  margin-top:1.4rem;font-size:1.12rem;color:var(--muted);max-width:34ch;
}
.hero-actions{display:flex;gap:.8rem;margin-top:2.1rem;flex-wrap:wrap}
.hero-note{
  margin-top:1.5rem;display:flex;align-items:center;gap:.5rem;
  font-size:.85rem;color:var(--muted-dim);
}
.hero-note i{color:var(--accent)}

/* Real interactive product surface (the drop zone) */
.surface{
  background:linear-gradient(180deg, var(--bg-elev) 0%, #0d0d0f 100%);
  border:1px solid var(--line-strong);border-radius:var(--r);
  padding:14px;box-shadow:0 40px 90px -40px rgba(0,0,0,.8), inset 0 1px 0 rgba(255,255,255,.04);
}
.surface-bar{display:flex;align-items:center;gap:.5rem;padding:.4rem .55rem .9rem}
.dot{width:10px;height:10px;border-radius:50%;background:var(--bg-elev-3)}
.surface-bar .label{margin-left:auto;font-size:.72rem;color:var(--muted-dim)}
.dropzone{
  border:1.5px dashed var(--line-strong);border-radius:var(--r-sm);
  padding:42px 24px;text-align:center;
  transition:border-color .25s var(--ease), background .25s var(--ease);
  background:rgba(255,255,255,.012);
}
.dropzone.drag,.dropzone:hover{border-color:var(--accent-line);background:var(--accent-soft)}
.dropzone .dz-icon{
  width:62px;height:62px;margin:0 auto 1rem;border-radius:14px;
  display:grid;place-items:center;font-size:1.7rem;color:var(--accent);
  background:var(--accent-soft);border:1px solid var(--accent-line);
}
.dropzone h3{font-size:1.06rem;font-weight:600;letter-spacing:-.01em}
.dropzone .dz-sub{font-size:.86rem;color:var(--muted-dim);margin-top:.45rem;display:inline-flex;align-items:center;gap:.4em}
.dropzone .dz-sub i{color:var(--accent)}
.dropzone .btn{margin-top:1.2rem}
.dz-ready{
  display:none;align-items:center;gap:.7rem;margin-top:1.1rem;
  padding:.7rem .9rem;border-radius:var(--r-sm);
  background:var(--bg-elev-2);border:1px solid var(--line);text-align:left;
}
.dz-ready.show{display:flex}
.dz-ready i{color:var(--accent);font-size:1.3rem;flex:none}
.dz-ready .fn{font-size:.85rem;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dz-ready .st{font-size:.74rem;color:var(--muted-dim)}
.surface-foot{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.95rem .55rem .35rem;font-size:.76rem;color:var(--muted-dim);
}
.surface-foot .ok{display:flex;align-items:center;gap:.4rem;color:var(--accent)}

/* ============================================================
   SECURITY PROMISE BAND  (full-width statement)
   ============================================================ */
.promise{padding:84px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#0c0c0e,var(--bg));}
.promise .wrap{max-width:900px;text-align:center}
.promise h2{font-size:clamp(1.9rem,3.6vw,2.7rem);letter-spacing:-.03em;line-height:1.1;font-weight:600}
.promise h2 .hl{color:var(--accent)}
.promise p{margin:1.2rem auto 0;color:var(--muted);max-width:56ch;font-size:1.05rem}
.assure{display:flex;justify-content:center;gap:2.4rem;flex-wrap:wrap;margin-top:2.6rem}
.assure div{display:flex;align-items:center;gap:.6rem;font-size:.92rem;color:var(--text)}
.assure i{color:var(--accent);font-size:1.25rem}

/* ============================================================
   KEY POINTS  (asymmetric bento)
   ============================================================ */
.points{padding:clamp(72px,10vw,120px) 0}
.sec-head{max-width:46ch;margin-bottom:3rem}
.sec-head h2{font-size:clamp(1.9rem,3.8vw,2.8rem);letter-spacing:-.03em;line-height:1.08;font-weight:600}
.sec-head p{margin-top:1rem;color:var(--muted);font-size:1.05rem}
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.cell{
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r);
  padding:30px;position:relative;overflow:hidden;
  transition:border-color .25s var(--ease), transform .25s var(--ease);
}
.cell:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.cell .ic{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  font-size:1.35rem;color:var(--accent);background:var(--accent-soft);
  border:1px solid var(--accent-line);margin-bottom:1.3rem;
}
.cell h3{font-size:1.22rem;letter-spacing:-.01em;font-weight:600}
.cell p{margin-top:.55rem;color:var(--muted);font-size:.95rem}
.cell.lg{grid-column:span 4}
.cell.tall{grid-column:span 2;grid-row:span 2;
  background:linear-gradient(165deg,#14160c,var(--bg-elev));border-color:var(--accent-line);}
.cell.tall .big-no{font-family:"Geist Mono";font-size:3.4rem;color:var(--accent);line-height:1;margin-bottom:.4rem;font-weight:500}
.cell.sm{grid-column:span 2}
@media(max-width:860px){
  .bento{grid-template-columns:1fr}
  .cell.lg,.cell.tall,.cell.sm{grid-column:auto;grid-row:auto}
}

/* ============================================================
   HOW IT WORKS  (3-step row)
   ============================================================ */
.how{padding:clamp(72px,10vw,120px) 0;border-top:1px solid var(--line);
  background:linear-gradient(180deg,var(--bg),#0c0c0e);}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:3rem;position:relative}
.step{position:relative;padding-top:2.6rem}
.step .num{
  position:absolute;top:0;left:0;font-family:"Geist Mono";font-size:.8rem;
  color:var(--accent-ink);background:var(--accent);
  width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-weight:500;
}
.step h3{font-size:1.3rem;letter-spacing:-.01em;font-weight:600}
.step p{margin-top:.6rem;color:var(--muted);font-size:.96rem;max-width:32ch}
.step i.bi{font-size:1.5rem;color:var(--accent);margin-bottom:.9rem;display:block}
@media(max-width:760px){.steps{grid-template-columns:1fr;gap:32px}}

/* ============================================================
   TOOLS
   ============================================================ */
.tools{padding:clamp(72px,10vw,120px) 0}
.tool-flag{
  display:grid;grid-template-columns:1.1fr .9fr;gap:0;
  border:1px solid var(--line-strong);border-radius:var(--r);overflow:hidden;
  background:var(--bg-elev);
}
.tool-flag .tf-copy{padding:clamp(30px,4vw,48px)}
.tool-flag .badge{
  display:inline-flex;align-items:center;gap:.45em;font-size:.74rem;font-weight:500;
  color:var(--accent);background:var(--accent-soft);border:1px solid var(--accent-line);
  padding:.35em .8em;border-radius:var(--r-pill);margin-bottom:1.2rem;
}
.tool-flag h3{font-size:clamp(1.5rem,2.6vw,2rem);letter-spacing:-.02em;font-weight:600}
.tool-flag p{margin-top:.9rem;color:var(--muted);max-width:42ch}
.tool-flag .btn{margin-top:1.6rem}
.tf-visual{
  background:linear-gradient(150deg,#15160d,#0d0d0f);
  border-left:1px solid var(--line);
  display:grid;place-items:center;padding:40px;min-height:240px;position:relative;
}
.tf-visual .glyph{font-size:5rem;color:var(--accent);opacity:.9}
.tf-badge{
  position:absolute;top:18px;right:18px;z-index:2;
  display:inline-flex;align-items:center;gap:.4em;
  font-size:.72rem;font-weight:500;color:var(--accent);
  background:rgba(10,10,11,.55);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border:1px solid var(--accent-line);padding:.42em .8em;border-radius:var(--r-pill);
}
.tf-badge i{font-size:1.05em}
.tf-visual .ring{
  position:absolute;width:180px;height:180px;border-radius:50%;
  border:1px solid var(--accent-line);opacity:.4;
}
.coming{margin-top:18px;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.soon{
  border:1px dashed var(--line);border-radius:var(--r-sm);padding:20px;
  background:rgba(255,255,255,.012);
  transition:border-color .2s var(--ease);
}
.soon:hover{border-color:var(--line-strong)}
.soon i{font-size:1.3rem;color:var(--muted);display:block;margin-bottom:.7rem}
.soon h4{font-size:.98rem;font-weight:600}
.soon span{font-size:.76rem;color:var(--muted-dim)}
@media(max-width:860px){
  .tool-flag{grid-template-columns:1fr}
  .tf-visual{border-left:0;border-top:1px solid var(--line);min-height:180px}
  .coming{grid-template-columns:1fr 1fr}
}

/* ============================================================
   FINAL CTA
   ============================================================ */
.cta{padding:clamp(80px,11vw,140px) 0;text-align:center;border-top:1px solid var(--line);
  background:radial-gradient(circle at 50% 120%, rgba(190,242,100,.1), transparent 55%);}
.cta h2{font-size:clamp(2.1rem,5vw,3.4rem);letter-spacing:-.035em;line-height:1.04;font-weight:600;max-width:18ch;margin:0 auto}
.cta p{margin:1.3rem auto 0;color:var(--muted);max-width:46ch}
.cta .btn{margin-top:2.2rem}

/* ============================================================
   FOOTER
   ============================================================ */
footer{border-top:1px solid var(--line);padding:56px 0 40px}
.foot-grid{display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap;align-items:flex-start}
.foot-brand{max-width:30ch}
.foot-brand .brand{margin-bottom:1rem}
.foot-brand p{color:var(--muted-dim);font-size:.88rem}
.foot-cols{display:flex;gap:4rem;flex-wrap:wrap}
.foot-col h5{font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted-dim);margin-bottom:1rem;font-weight:500}
.foot-col a{display:block;color:var(--muted);font-size:.9rem;margin-bottom:.6rem;transition:color .2s}
.foot-col a:hover{color:var(--text)}
.foot-bottom{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  font-size:.82rem;color:var(--muted-dim)}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease), transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto !important}
  .reveal{opacity:1 !important;transform:none !important;transition:none !important}
  .btn:active{transform:none}
}