/* ==========================================================================
   Machinist Companion — marketing site
   Same design tokens as the app itself: flat dark surfaces, steel-blue accent,
   Inter + JetBrains Mono. Built to feel like the front door of the real product.
   ========================================================================== */

:root{
  color-scheme:dark;
  --bg:#08090b;
  --bg-elev:#0d0f13;
  --panel:#101218;
  --panel-soft:#15181f;
  --field:#0a0c10;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#f6f7f9;
  --muted:#9098a5;
  --muted-2:#5f6774;
  --accent:#4f8cff;
  --accent-strong:#8ab4ff;
  --accent-soft:rgba(79,140,255,.13);
  --amber:#f2a93b;
  --green:#39d98a;
  --radius:18px;
  --mono:"JetBrains Mono","SF Mono","SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  --sans:"Inter",ui-sans-serif,system-ui,-apple-system,"SF Pro Display","Segoe UI",Roboto,sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden;font-feature-settings:"cv11","ss01"}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
img{max-width:100%;display:block}
::selection{background:var(--accent-soft);color:var(--text)}

body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(1100px 620px at 16% -6%,rgba(79,140,255,.14),transparent 58%),
    radial-gradient(900px 560px at 96% 8%,rgba(242,169,59,.06),transparent 60%),
    radial-gradient(1000px 700px at 50% 115%,rgba(79,140,255,.08),transparent 60%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.16;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:linear-gradient(to bottom,black,transparent 65%);
}

.section-shell{width:min(1180px,calc(100% - 48px));margin-left:auto;margin-right:auto}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:11px;font-weight:760;color:var(--accent-strong);margin-bottom:18px;display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--accent);flex:0 0 auto}

/* ---------- reveal-on-scroll ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- header ---------- */
.site-header{
  height:76px;position:sticky;top:0;z-index:50;
  display:flex;align-items:center;
  background:color-mix(in srgb,var(--bg) 74%,transparent);
  backdrop-filter:blur(20px) saturate(160%);-webkit-backdrop-filter:blur(20px) saturate(160%);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease),background .3s var(--ease);
}
.site-header.scrolled{border-bottom-color:var(--line)}
.site-header-inner{width:min(1180px,calc(100% - 48px));margin:0 auto;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:12px;font-weight:730;font-size:15.5px;letter-spacing:-.015em}
.brand-mark{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;border:1px solid var(--line-strong);background:linear-gradient(155deg,var(--panel-soft),var(--panel));color:var(--accent-strong);font-size:19px;box-shadow:inset 0 1px 0 rgba(255,255,255,.05)}
.site-nav{margin-left:auto;display:flex;gap:30px;color:var(--muted);font-size:13.5px;font-weight:560}
.site-nav a{position:relative;padding:4px 0}
.site-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1.5px;background:var(--accent-strong);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease)}
.site-nav a:hover{color:var(--text)}
.site-nav a:hover::after{transform:scaleX(1)}

.button{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:46px;padding:0 20px;
  border-radius:11px;background:var(--accent);color:#fff;border:1px solid rgba(255,255,255,.14);
  font-size:13.5px;font-weight:680;letter-spacing:-.005em;
  box-shadow:0 14px 34px rgba(79,140,255,.22);
  transition:transform .16s var(--ease),background .16s var(--ease),box-shadow .16s var(--ease);
}
.button:hover{background:#5d96ff;transform:translateY(-1.5px);box-shadow:0 18px 42px rgba(79,140,255,.3)}
.button:active{transform:translateY(0)}
.button-ghost{background:transparent;color:var(--text);border-color:var(--line-strong);box-shadow:none}
.button-ghost:hover{background:var(--panel-soft);border-color:var(--line-strong)}
.button-small{min-height:38px;padding:0 15px;font-size:12.5px;border-radius:9px}
.text-link{font-size:13.5px;color:var(--muted);font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:color .16s var(--ease)}
.text-link:hover{color:var(--text)}

/* ---------- hero ---------- */
.hero{padding:96px 0 0;text-align:center}
.hero-copy{max-width:820px;margin:0 auto}
.hero .eyebrow{justify-content:center}
.hero h1{margin:0 auto;letter-spacing:-.045em;line-height:1.03;font-size:clamp(42px,6.4vw,80px);font-weight:760;max-width:880px}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--accent-strong),var(--accent) 60%,#c79bff);-webkit-background-clip:text;background-clip:text;color:transparent}
@media(min-width:600px){.hero h1 em{white-space:nowrap}}
.hero-lede{font-size:19px;line-height:1.6;color:var(--muted);max-width:620px;margin:26px auto 0}
.hero-actions{display:flex;align-items:center;justify-content:center;gap:24px;margin-top:36px;flex-wrap:wrap}
.hero-meta{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 22px;margin-top:44px;color:var(--muted-2);font-size:11.5px;font-weight:650;letter-spacing:.01em}
.hero-meta span{display:flex;align-items:center;gap:8px}
.hero-meta span::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--accent)}

/* ---------- device frame (real screenshots) ---------- */
.hero-stage{position:relative;margin:72px auto 0;max-width:1120px}
.stage-glow{
  position:absolute;inset:-16% -2% -10%;pointer-events:none;z-index:0;
  background:
    radial-gradient(55% 55% at 50% 32%,rgba(79,140,255,.48),transparent 70%),
    radial-gradient(45% 50% at 62% 60%,rgba(199,155,255,.22),transparent 75%);
  filter:blur(26px);
}
.device-frame{
  position:relative;z-index:1;border-radius:16px;overflow:hidden;
  border:1px solid var(--line-strong);background:var(--bg-elev);
  box-shadow:0 50px 120px rgba(0,0,0,.55),0 0 0 1px rgba(255,255,255,.02),0 0 70px -14px rgba(79,140,255,.4);
  transform:perspective(1600px) rotateX(2.2deg);transform-origin:center top;
  transition:transform .6s var(--ease);
}
.hero-stage:hover .device-frame{transform:perspective(1600px) rotateX(0deg) translateY(-4px)}
.device-frame img{width:100%;height:auto}

/* ---------- signal strip ---------- */
.signal-strip{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);min-height:74px;
  display:flex;align-items:center;justify-content:center;gap:32px;flex-wrap:wrap;
  color:#6a7280;text-transform:uppercase;letter-spacing:.14em;font-size:10px;font-weight:800;
  margin-top:96px;
}
.signal-strip span{color:#333941}

/* ---------- section rhythm ---------- */
.tools-section{padding-top:110px}
.section-intro{max-width:680px}
.section-intro.narrow{max-width:560px}
.section-intro h2{margin:0;letter-spacing:-.035em;line-height:1.08;font-size:clamp(30px,3.6vw,44px);font-weight:730}
.section-intro p{margin:20px 0 0;color:var(--muted);font-size:16px;line-height:1.65;max-width:620px}

/* ---------- feature grid ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:56px}
.feature-card{
  position:relative;padding:26px;border-radius:15px;border:1px solid var(--line);
  background:linear-gradient(180deg,color-mix(in srgb,var(--panel) 100%,white 1%),var(--panel));
  transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.feature-card:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:0 24px 50px rgba(0,0,0,.35)}
.feature-icon{
  width:42px;height:42px;border-radius:10px;display:grid;place-items:center;
  font-family:var(--mono);font-weight:750;font-size:13px;color:var(--accent-strong);
  background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 30%,var(--line));
  margin-bottom:18px;
}
.card-tag{font-size:10px;text-transform:uppercase;letter-spacing:.1em;font-weight:750;color:var(--muted-2);margin-bottom:8px}
.feature-card h3{margin:0 0 8px;font-size:17px;font-weight:660;letter-spacing:-.015em}
.feature-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}
.feature-large{grid-column:span 3;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px}
.feature-large .feature-icon{margin-bottom:0}
.mini-readout{
  display:flex;flex-direction:column;align-items:flex-end;gap:4px;padding:16px 20px;
  border-radius:12px;border:1px solid color-mix(in srgb,var(--green) 32%,var(--line));
  background:color-mix(in srgb,var(--green) 6%,var(--field));min-width:180px;
}
.mini-readout span{font-family:var(--mono);font-size:13px;color:var(--muted);font-weight:600}
.mini-readout strong{font-family:var(--mono);font-size:19px;color:var(--green);font-weight:700}
.mini-readout small{color:var(--muted-2);font-size:10.5px}

/* ---------- showcase (alternating screenshot + copy) ---------- */
.showcase-section{padding-top:130px}
.showcase{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.showcase.flip .showcase-copy{order:2}
.showcase.flip .showcase-visual{order:1}
.showcase-copy{max-width:460px}
.showcase-copy h3{margin:0;font-size:clamp(26px,3vw,34px);font-weight:730;letter-spacing:-.03em;line-height:1.14}
.showcase-copy p{margin:18px 0 0;color:var(--muted);font-size:15.5px;line-height:1.7}
.showcase-points{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:12px}
.showcase-points li{display:flex;align-items:flex-start;gap:11px;font-size:14px;color:var(--text);line-height:1.5}
.showcase-points li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--accent);margin-top:7px;flex:0 0 auto}
.showcase-visual{position:relative}
.showcase-visual .device-frame{transform:none;box-shadow:0 34px 80px rgba(0,0,0,.5),0 0 0 1px rgba(255,255,255,.02),0 0 60px -14px rgba(79,140,255,.35)}
.showcase-visual .stage-glow{inset:-14% -8%}

/* ---------- reference band ---------- */
.reference-band{
  margin-top:56px;padding:36px 40px;border-radius:18px;border:1px solid var(--line);
  background:linear-gradient(155deg,var(--panel-soft),var(--panel));
  display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;
}
.reference-band h3{margin:0;font-size:21px;font-weight:680;letter-spacing:-.02em}
.reference-band p{margin:10px 0 0;color:var(--muted);font-size:14.5px;line-height:1.6;max-width:480px}
.reference-list{display:flex;flex-wrap:wrap;gap:9px;max-width:420px;justify-content:flex-end}
.reference-list span{
  padding:9px 13px;border-radius:9px;border:1px solid var(--line);background:var(--field);
  font-size:12px;font-weight:600;color:var(--muted);white-space:nowrap;
}

/* ---------- why section ---------- */
.why-section{padding-top:130px}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:52px}
.why-card{padding:28px 24px;border-radius:15px;border:1px solid var(--line);background:var(--panel)}
.why-card span{font-family:var(--mono);font-size:12px;color:var(--accent-strong);font-weight:700}
.why-card h3{margin:16px 0 10px;font-size:16px;font-weight:660;letter-spacing:-.01em}
.why-card p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.65}

/* ---------- accuracy / sources ---------- */
.accuracy-section{padding-top:130px}
.accuracy-card{
  display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:start;
  padding:48px;border-radius:20px;border:1px solid var(--line);
  background:linear-gradient(160deg,color-mix(in srgb,var(--panel) 100%,white 1%),var(--panel));
}
.accuracy-copy h2{margin:0;font-size:clamp(26px,3vw,34px);font-weight:730;letter-spacing:-.03em;line-height:1.14}
.accuracy-copy p{margin:18px 0 0;color:var(--muted);font-size:15px;line-height:1.7;max-width:480px}
.accuracy-note{padding:14px 16px;border-radius:11px;border:1px dashed var(--line-strong);background:var(--field);font-size:13px!important;color:var(--muted)!important;margin-top:22px!important}
.accuracy-points{display:grid;gap:14px}
.accuracy-points>div{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;padding:16px;border-radius:12px;border:1px solid var(--line);background:var(--field)}
.accuracy-points span{grid-row:1/3;width:26px;height:26px;border-radius:50%;background:color-mix(in srgb,var(--green) 16%,transparent);color:var(--green);display:grid;place-items:center;font-size:13px;font-weight:800}
.accuracy-points strong{font-size:14px;font-weight:650}
.accuracy-points small{color:var(--muted);font-size:12.5px;line-height:1.5}

/* ---------- final CTA ---------- */
.final-cta{padding:150px 0 130px}
.final-cta-inner{
  padding:56px;border-radius:22px;border:1px solid var(--line);text-align:center;
  background:radial-gradient(900px 400px at 50% -20%,rgba(79,140,255,.16),transparent 65%),linear-gradient(160deg,var(--panel-soft),var(--panel));
  display:flex;flex-direction:column;align-items:center;gap:20px;
}
.brand-mark.large{width:58px;height:58px;font-size:26px;border-radius:14px}
.final-cta .eyebrow{justify-content:center}
.final-cta h2{margin:0;font-size:clamp(28px,3.6vw,42px);font-weight:740;letter-spacing:-.035em;line-height:1.12;max-width:640px}
.final-cta .button{margin-top:8px}

/* ---------- footer ---------- */
.site-footer{margin-top:110px;border-top:1px solid var(--line);padding:44px 0 40px}
.footer-inner{width:min(1180px,calc(100% - 48px));margin:0 auto;display:flex;align-items:center;flex-wrap:wrap;gap:20px}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand strong{font-size:14px;font-weight:660;display:block}
.footer-brand small{color:var(--muted-2);font-size:12px}
.footer-links{margin-left:auto;display:flex;gap:22px;color:var(--muted);font-size:13px;font-weight:560}
.footer-links a:hover{color:var(--text)}
.copyright{width:100%;margin-top:8px;color:var(--muted-2);font-size:12px}

/* ---------- responsive ---------- */
@media(max-width:1023px){
  .feature-grid{grid-template-columns:1fr 1fr}
  .feature-large{grid-column:span 2;grid-template-columns:auto 1fr;gap:20px}
  .mini-readout{display:none}
  .why-grid{grid-template-columns:1fr 1fr}
  .accuracy-card{grid-template-columns:1fr;gap:32px;padding:36px}
  .showcase{grid-template-columns:1fr;gap:36px}
  .showcase.flip .showcase-copy,.showcase.flip .showcase-visual{order:initial}
  .showcase-copy{max-width:none}
  .reference-band{grid-template-columns:1fr;text-align:left}
  .reference-list{justify-content:flex-start}
}
@media(max-width:720px){
  .site-header-inner{gap:12px}
  .brand{font-size:13px;white-space:nowrap}
  .button-small{white-space:nowrap;padding:0 13px;flex:0 0 auto}
  .site-nav{display:none}
  .hero{padding:64px 0 0}
  .hero-stage{margin-top:48px}
  .tools-section{padding-top:76px}
  .showcase-section{padding-top:86px}
  .why-section,.accuracy-section{padding-top:86px}
  .final-cta{padding:96px 0 80px}
  .feature-grid{grid-template-columns:1fr}
  .feature-large{grid-column:span 1;grid-template-columns:1fr;text-align:left}
  .why-grid{grid-template-columns:1fr}
  .final-cta-inner{padding:36px 24px}
  .footer-links{margin-left:0}
  .hero-actions{flex-direction:column;gap:16px}
}

/* Search-friendly tool directory */
.tool-directory { padding-top: 24px; padding-bottom: 64px; }
.tool-directory-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.tool-directory-grid a { display: flex; flex-direction: column; gap: 5px; min-height: 82px; padding: 16px; border: 1px solid var(--line, rgba(255,255,255,.1)); border-radius: 12px; color: inherit; text-decoration: none; background: rgba(255,255,255,.025); transition: border-color .18s ease, transform .18s ease; }
.tool-directory-grid a:hover { border-color: rgba(255,255,255,.24); transform: translateY(-1px); }
.tool-directory-grid strong { font-size: .94rem; }
.tool-directory-grid span { color: var(--muted, #969aa3); font-size: .78rem; line-height: 1.35; }
@media (max-width: 980px) { .tool-directory-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .tool-directory-grid { grid-template-columns: 1fr; } }

/* ---------- Machinist Companion brand icon ---------- */
.brand-mark{
  overflow:hidden;
  padding:0;
  background:transparent;
  border:0;
  box-shadow:none;
}
.brand-mark img{
  width:100%;
  height:100%;
  display:block;
  object-fit:cover;
  border-radius:inherit;
}


/* Machinist Companion brand mark: artwork + CSS-rendered frame.
   Border is intentionally separate from the raster artwork so it stays
   geometrically continuous at every UI size. */
.brand-mark{
  box-sizing:border-box !important;
  padding:2px !important;
  overflow:hidden !important;
  border:0 !important;
  background:
    linear-gradient(#08090b,#08090b) padding-box,
    linear-gradient(145deg,#8ab4ff 0%,#4f8cff 45%,#2f5fd5 100%) border-box !important;
  border:2px solid transparent !important;
  padding:0 !important;
  box-shadow:
    0 0 0 1px rgba(79,140,255,.16),
    0 2px 8px rgba(79,140,255,.12),
    inset 0 1px 0 rgba(255,255,255,.18) !important;
}
.brand-mark img{
  width:100% !important;
  height:100% !important;
  display:block !important;
  object-fit:cover !important;
  border-radius:8px !important;
  background:transparent !important;
}
.brand-mark.large img{
  border-radius:12px !important;
}