/* ============================================================
   ALL IN ONE CALCULATOR — Clean & Simple Design System
   Light, friendly, fast. Colors drawn from the real app icon.
   Fonts: Bricolage Grotesque (headings) · Figtree (body) · DM Mono (numbers)
   ============================================================ */

:root{
  /* base */
  --bg:        #f8f9fb;
  --card:      #ffffff;
  --line:      #e6e9f0;
  --ink:       #182236;
  --muted:     #5b6a80;
  --faint:     #8e99ac;

  /* brand — from the app icon */
  --blue:      #3d7de0;
  --blue-dark: #2f66bd;
  --blue-soft: #e9f0fc;
  --navy:      #161e2b;   /* the app tile */
  --navy-2:    #242e3d;
  --yellow:    #f6b73c;
  --green:     #7fb04a;
  --red:       #e2544d;
  --purple:    #8a5fd6;
  --orange:    #ef8c1f;
  --teal:      #26a08f;
  --pink:      #d4589e;

  /* legacy aliases (used by inline styles on sub-pages) */
  --mint:      #3d7de0;
  --ink-dim:   #5b6a80;
  --ink-faint: #8e99ac;
  --amber:     #ef8c1f;

  --r-sm:12px; --r-md:16px; --r-lg:22px;
  --font-display:'Bricolage Grotesque',sans-serif;
  --font-body:'Figtree',sans-serif;
  --font-mono:'DM Mono',monospace;
  --shadow-sm:0 1px 2px rgba(24,34,54,.06);
  --shadow-md:0 10px 30px rgba(24,34,54,.09);
  --ease:cubic-bezier(.22,1,.36,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16.5px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--blue);color:#fff}

/* old ambient layers on sub-pages — neutralized */
.grid-field,.glow-orb,.noise{display:none}

/* ---------- layout primitives ---------- */
.wrap{width:min(1140px,92%);margin-inline:auto}
.section{padding:96px 0}
.section-head{max-width:620px;margin-bottom:52px}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--blue);background:var(--blue-soft);
  padding:7px 14px;border-radius:999px;margin-bottom:18px;
}
h1,h2,h3{font-family:var(--font-display);font-weight:700;line-height:1.16;letter-spacing:-.015em}
h1{font-size:clamp(2.3rem,5vw,3.7rem)}
h2{font-size:clamp(1.6rem,3.2vw,2.4rem)}
h3{font-size:1.08rem;font-weight:600}
.lede{color:var(--muted);font-size:1.1rem;margin-top:16px;max-width:56ch}
.grad{color:var(--blue)}

/* ---------- nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink)}
.brand-logo{width:38px;height:38px;border-radius:10px;display:block;box-shadow:var(--shadow-sm)}
.brand-name{font-family:var(--font-display);font-size:.9rem;font-weight:700;letter-spacing:-.01em}
.brand-name em{color:var(--blue);font-style:normal}
.nav-links{display:flex;gap:28px;list-style:none}
.nav-links a{color:var(--muted);text-decoration:none;font-size:.92rem;font-weight:600;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--blue)}
.nav-cta{
  font-size:.88rem;font-weight:700;color:#fff;background:var(--blue);text-decoration:none;
  padding:10px 20px;border-radius:999px;transition:background .2s,transform .2s;
}
.nav-cta:hover{background:var(--blue-dark);transform:translateY(-1px)}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:8px;width:40px;height:40px;color:var(--ink);font-size:18px;cursor:pointer}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;text-decoration:none;cursor:pointer;
  font-family:var(--font-body);font-weight:700;font-size:.96rem;
  padding:14px 26px;border-radius:14px;border:1px solid transparent;
  transition:background .2s,border-color .2s,transform .2s,box-shadow .2s;
}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 4px 14px rgba(61,125,224,.3)}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:var(--card)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}

/* ---------- hero ---------- */
.hero{padding:160px 0 90px;background:linear-gradient(180deg,#eef3fb 0%,var(--bg) 90%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.hero .lede{font-size:1.15rem}
.hero-actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;margin-top:48px;flex-wrap:wrap}
.stat .num{font-family:var(--font-display);font-size:1.9rem;font-weight:800;color:var(--ink)}
.stat .lbl{font-size:.82rem;color:var(--faint);font-weight:600;margin-top:2px}

/* hero calculator demo — styled like the real app tile */
.scene{position:relative}
.device{
  border-radius:26px;padding:24px;max-width:400px;margin-inline:auto;
  background:var(--navy);
  box-shadow:0 24px 60px rgba(22,30,43,.28);
}
.device-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.device-top .tag{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;color:#7d89a0}
.device-top .dots{display:flex;gap:6px}
.device-top .dots i{width:8px;height:8px;border-radius:50%;background:#334054;display:block}
.device-top .dots i:first-child{background:var(--green)}
.device-top .dots i:nth-child(2){background:var(--yellow)}
.device-top .dots i:nth-child(3){background:var(--red)}
.screen{
  border-radius:14px;padding:20px;margin-bottom:16px;text-align:right;
  background:#0e1520;font-family:var(--font-mono);
}
.screen .expr{color:#66748c;font-size:.85rem;min-height:1.3em}
.screen .result{color:#fff;font-size:2rem;min-height:1.3em}
.keys{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}
.key{
  font-family:var(--font-mono);font-size:1rem;padding:14px 0;text-align:center;
  border-radius:11px;background:var(--navy-2);color:#dde4ee;
  cursor:pointer;user-select:none;transition:background .15s;
}
.key:hover{background:#2f3b4d}
.key.op{color:#8ab4f5}
.key.eq{background:var(--blue);color:#fff;font-weight:700}
.key.eq:hover{background:var(--blue-dark)}

/* ---------- category cards ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cat{
  position:relative;padding:28px 24px;border-radius:var(--r-lg);
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:box-shadow .25s,transform .25s,border-color .25s;
}
.cat:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d8ddea}
.cat .icon{
  width:48px;height:48px;border-radius:13px;display:grid;place-items:center;font-size:22px;
  margin-bottom:18px;background:var(--blue-soft);
}
/* per-category tints — the app icon palette */
.cat.c1 .icon{background:#fdf1d8}
.cat.c2 .icon{background:#fbe3e1}
.cat.c3 .icon{background:#e9f0fc}
.cat.c4 .icon{background:#ecf3e2}
.cat.c5 .icon{background:#efe8fa}
.cat.c6 .icon{background:#e0f2ef}
.cat.c7 .icon{background:#fdecd9}
.cat.c8 .icon{background:#fae5f1}
.cat.c9 .icon{background:#e8ebf1}
.cat h3{margin-bottom:8px}
.cat p{color:var(--muted);font-size:.93rem}
.cat .count{
  position:absolute;top:22px;right:22px;
  font-size:.74rem;font-weight:700;color:var(--muted);background:var(--bg);
  border:1px solid var(--line);padding:4px 10px;border-radius:999px;
}

/* ---------- feature rows ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.feat{
  display:flex;gap:16px;padding:24px;border-radius:var(--r-md);
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:box-shadow .25s,border-color .25s;
}
.feat:hover{box-shadow:var(--shadow-md);border-color:#d8ddea}
.feat .fi{
  flex-shrink:0;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:19px;
  background:var(--blue-soft);
}
.feat:nth-child(2) .fi{background:#fdf1d8}
.feat:nth-child(3) .fi{background:#ecf3e2}
.feat:nth-child(4) .fi{background:#efe8fa}
.feat:nth-child(5) .fi{background:#fbe3e1}
.feat:nth-child(6) .fi{background:#e0f2ef}
.feat h3{margin-bottom:5px;font-size:1rem}
.feat p{color:var(--muted);font-size:.92rem}

/* ---------- tool chips ---------- */
.chip-cloud{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  font-size:.85rem;font-weight:600;color:var(--muted);
  border:1px solid var(--line);background:var(--card);
  padding:9px 16px;border-radius:999px;cursor:default;
  transition:color .2s,border-color .2s;
}
.chip:hover{color:var(--blue);border-color:var(--blue)}

/* ---------- CTA band ---------- */
.cta-band{
  text-align:center;padding:72px 40px;border-radius:28px;
  background:var(--navy);color:#fff;
}
.cta-band h2{color:#fff}
.cta-band .grad{color:#8ab4f5}
.cta-band .lede{margin-inline:auto;color:#aeb9cb}
.cta-band .kicker{background:rgba(255,255,255,.1);color:#9fc1f5}
.store-badges{display:flex;gap:14px;justify-content:center;margin-top:34px;flex-wrap:wrap}
.store-badge{
  display:flex;align-items:center;gap:12px;text-decoration:none;text-align:left;
  border-radius:14px;padding:12px 22px;
  background:#fff;color:var(--ink);box-shadow:var(--shadow-sm);
  transition:transform .2s,box-shadow .2s;
}
.store-badge:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.store-badge .sb-ico{font-size:24px}
.store-badge small{display:block;font-size:.66rem;color:var(--faint);letter-spacing:.05em;text-transform:uppercase;font-weight:700}
.store-badge b{font-size:.95rem}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:60px 0 32px;background:var(--card)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px}
.foot-grid h4{font-size:.8rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin-bottom:16px}
.foot-grid ul{list-style:none}
.foot-grid li{margin-bottom:10px}
.foot-grid a{color:var(--muted);text-decoration:none;font-size:.92rem;transition:color .2s}
.foot-grid a:hover{color:var(--blue)}
.foot-desc{color:var(--muted);font-size:.92rem;margin-top:14px;max-width:34ch}
.foot-bottom{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
  padding-top:26px;border-top:1px solid var(--line);
  font-size:.82rem;color:var(--faint);
}
.foot-bottom .status{display:inline-flex;align-items:center;gap:8px}
.foot-bottom .status::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green)}
.foot-bottom .credit a{
  color:var(--blue);text-decoration:none;font-weight:700;transition:color .2s;
}
.foot-bottom .credit a:hover{color:var(--blue-dark);text-decoration:underline}

/* ---------- doc pages (privacy / terms) ---------- */
.doc{padding:150px 0 90px;max-width:800px;margin-inline:auto;width:92%}
.doc-meta{font-size:.85rem;color:var(--faint);font-weight:600;margin-top:12px}
.doc article{margin-top:48px}
.doc article h2{font-size:1.3rem;margin:46px 0 14px;padding-left:16px;position:relative}
.doc article h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:4px;
  background:var(--blue);
}
.doc article p,.doc article li{color:var(--muted);font-size:.98rem;margin-bottom:13px}
.doc article ul{padding-left:24px;margin-bottom:16px}
.doc article strong{color:var(--ink)}
.doc article a{color:var(--blue);text-decoration:none}
.doc-callout{
  margin-top:32px;padding:20px 24px;border-radius:var(--r-md);
  background:var(--blue-soft);border:1px solid #cfe0f8;
  color:var(--muted);font-size:.94rem;
}
.doc-callout b{color:var(--blue)}

/* ---------- support page ---------- */
.support-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:72px}
.sup-card{
  text-align:center;padding:36px 24px;border-radius:var(--r-lg);
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:box-shadow .25s,transform .25s;text-decoration:none;color:var(--ink);display:block;
}
.sup-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.sup-card .icon{font-size:30px;margin-bottom:14px}
.sup-card h3{margin-bottom:8px}
.sup-card p{color:var(--muted);font-size:.9rem}
.sup-card .link{display:inline-block;margin-top:14px;font-size:.86rem;font-weight:700;color:var(--blue)}

.faq{max-width:760px;margin-inline:auto}
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:12px;background:var(--card);overflow:hidden;transition:border-color .25s}
.faq-item[open]{border-color:var(--blue)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:19px 22px;font-weight:700;font-size:.98rem;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--blue);font-size:1.25rem;font-weight:400;transition:transform .25s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 22px 20px;color:var(--muted);font-size:.94rem}

/* ---------- tools directory ---------- */
.tool-search{
  width:100%;max-width:540px;padding:15px 20px;border-radius:14px;margin-bottom:12px;
  background:var(--card);border:1px solid var(--line);color:var(--ink);
  font-family:var(--font-body);font-size:.95rem;outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.tool-search:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(61,125,224,.12)}
.tool-count{font-size:.84rem;font-weight:600;color:var(--faint);margin-bottom:32px}
.tool-count b{color:var(--blue)}
.tool-section{margin-bottom:48px}
.tool-section h2{
  font-size:1.05rem;font-family:var(--font-display);font-weight:700;
  color:var(--ink);margin-bottom:18px;
  display:flex;align-items:center;gap:14px;
}
.tool-section h2::after{content:"";flex:1;height:1px;background:var(--line)}
.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:11px}
.tool-card{
  padding:14px 16px;border-radius:12px;font-size:.9rem;font-weight:500;
  background:var(--card);border:1px solid var(--line);color:var(--muted);
  transition:color .2s,border-color .2s,box-shadow .2s;display:flex;align-items:center;gap:9px;
}
.tool-card:hover{color:var(--ink);border-color:var(--blue);box-shadow:var(--shadow-sm)}
.tool-card::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--blue);flex-shrink:0;opacity:.55}

/* ---------- reveal (very light) ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.06s}.reveal.d2{transition-delay:.12s}
.reveal.d3{transition-delay:.18s}.reveal.d4{transition-delay:.24s}

/* ---------- responsive ---------- */
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .tool-grid{grid-template-columns:repeat(3,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .support-grid{grid-template-columns:1fr}
}
@media(max-width:720px){
  .nav-links{
    position:fixed;top:66px;right:0;left:0;flex-direction:column;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    padding:12px 0;display:none;
  }
  .nav-links.open{display:flex}
  .nav-links li{padding:13px 6%}
  .burger{display:block}
  .nav-cta{display:none}
  .cat-grid,.feat-grid,.tool-grid{grid-template-columns:1fr}
  .section{padding:70px 0}
  .hero{padding:130px 0 64px}
  .tool-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:460px){.tool-grid{grid-template-columns:1fr}}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}