/* ============================================================
   CAMSENSOR.COM — Concept 01  ·  precision-instrument system
   Built deck-as-site from Camsensor_Sales_Presentation_v3.pptx
   ============================================================ */

/* ---- Fonts (self-hosted, OFL) ------------------------------ */
@font-face{font-family:Roboto;font-weight:300;font-style:normal;font-display:swap;src:url(fonts/roboto-300.woff2) format("woff2")}
@font-face{font-family:Roboto;font-weight:400;font-style:normal;font-display:swap;src:url(fonts/roboto-400.woff2) format("woff2")}
@font-face{font-family:Roboto;font-weight:500;font-style:normal;font-display:swap;src:url(fonts/roboto-500.woff2) format("woff2")}
@font-face{font-family:Roboto;font-weight:700;font-style:normal;font-display:swap;src:url(fonts/roboto-700.woff2) format("woff2")}
@font-face{font-family:Roboto;font-weight:900;font-style:normal;font-display:swap;src:url(fonts/roboto-900.woff2) format("woff2")}
@font-face{font-family:Archivo;font-weight:400;font-style:normal;font-display:swap;src:url(fonts/archivo-400.woff2) format("woff2")}
@font-face{font-family:Archivo;font-weight:500;font-style:normal;font-display:swap;src:url(fonts/archivo-500.woff2) format("woff2")}
@font-face{font-family:Archivo;font-weight:600;font-style:normal;font-display:swap;src:url(fonts/archivo-600.woff2) format("woff2")}

/* ---- Design tokens ----------------------------------------- */
:root{
  --bg:#1B1F27;          /* page — blue-black             */
  --bg-deep:#15181F;     /* deepest wells                 */
  --panel:#242A33;       /* cards / panels                */
  --panel-2:#20252E;     /* alt panel                     */
  --line:#39414C;        /* hairline borders              */
  --line-soft:#2C333D;   /* faint dividers                */
  --white:#FFFFFF;       /* headings / figures            */
  --ink:#EAECEF;         /* near-white labels             */
  --body:#AAB1BC;        /* body copy — steel             */
  --muted:#8B95A2;       /* captions / labels             */
  --red:#E21A23;         /* brand accent — PMS 1797C      */
  --teal:#009AC7;        /* AI section ONLY — PMS 313C     */

  --mono:'Roboto',system-ui,sans-serif;   /* labels / markers / data */
  --disp:'Roboto',system-ui,sans-serif;   /* display headings        */
  --body-f:'Archivo',system-ui,sans-serif;/* body copy               */

  --wrap:1180px;
  --gut:clamp(20px,5vw,64px);
}

/* ---- Reset / base ------------------------------------------ */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--bg);color:var(--body);
  font-family:var(--body-f);font-size:16px;line-height:1.62;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--red);color:#fff}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px}

/* ---- Type helpers ------------------------------------------ */
.h1{font-family:var(--disp);font-weight:500;color:var(--white);
    font-size:clamp(2.4rem,5.4vw,4.4rem);line-height:1.04;letter-spacing:-.02em;margin:0}
.h2{font-family:var(--disp);font-weight:500;color:var(--white);
    font-size:clamp(1.9rem,3.8vw,3rem);line-height:1.08;letter-spacing:-.015em;margin:0}
.lead{color:var(--body);font-size:clamp(1rem,1.4vw,1.18rem);max-width:52ch;margin:14px 0 0}

/* eyebrow: red tick + index + uppercase label ---------------- */
.eyebrow{display:flex;align-items:center;gap:14px;
  font-family:var(--mono);font-weight:500;font-size:.72rem;letter-spacing:.28em;
  text-transform:uppercase;color:var(--muted);margin:0 0 26px}
.eyebrow .tick{width:26px;height:1px;background:var(--red);flex:none}
.eyebrow .idx{color:var(--red);font-weight:700;letter-spacing:.12em}

.cap{font-family:var(--mono);font-weight:500;font-size:.68rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--muted)}
.cap-teal{color:var(--teal)}

/* ---- Layout ------------------------------------------------ */
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.section{padding:clamp(64px,9vw,124px) 0;border-top:1px solid var(--line-soft)}
.section-head{max-width:60ch}

/* ---- Header / nav ------------------------------------------ */
.nav{position:sticky;top:0;z-index:40;background:rgba(21,24,31,.86);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line-soft)}
.nav-inner{max-width:var(--wrap);margin:0 auto;padding:19px var(--gut);min-height:74px;
  display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px}
.brand img{height:54px;width:auto}
.nav-links{display:flex;gap:30px;align-items:center;
  font-family:var(--mono);font-weight:500;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase}
.nav-links a{color:var(--muted);transition:color .18s}
.nav-links a:hover{color:var(--ink)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);color:var(--ink);
  font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;padding:8px 12px;cursor:pointer;text-transform:uppercase}

/* ---- Hero -------------------------------------------------- */
.hero{position:relative;overflow:hidden;
  background:radial-gradient(120% 90% at 82% 20%,#20252F 0%,var(--bg) 46%,var(--bg-deep) 100%)}
.hero-grid{max-width:var(--wrap);margin:0 auto;padding:clamp(56px,10vw,120px) var(--gut) clamp(64px,10vw,120px);
  display:grid;grid-template-columns:1.35fr .65fr;gap:48px;align-items:center}
.hero-copy{max-width:640px}
.hero .h1{max-width:16ch}
.hero-sub{margin-top:26px;font-size:clamp(1rem,1.35vw,1.16rem);color:var(--body);max-width:46ch}
.hero-cam{justify-self:center}
.hero-cam img{height:clamp(230px,34vw,380px);width:auto;filter:drop-shadow(0 24px 40px rgba(0,0,0,.5))}
.hero-rule{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.hero-rule hr{border:0;border-top:1px solid var(--line-soft);margin:0}

/* ---- Cards (The Conversation) ------------------------------ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:52px}
.card{background:var(--panel);border:1px solid var(--line);padding:30px 28px 32px;display:flex;flex-direction:column}
.card .num{font-family:var(--mono);font-weight:700;color:var(--red);font-size:.82rem;letter-spacing:.1em;margin-bottom:20px}
.card h3{font-family:var(--disp);font-weight:500;color:var(--white);font-size:1.24rem;margin:0 0 12px;letter-spacing:-.01em}
.card p{margin:0;font-size:.96rem;color:var(--body)}

/* ---- Stat cards (Grading accuracy) ------------------------- */
.grid-stat{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:52px}
.stat{background:var(--panel);border:1px solid var(--line);padding:28px 26px 30px;display:flex;flex-direction:column}
.stat .top{display:flex;align-items:baseline;gap:12px;margin-bottom:22px}
.stat .top .n{font-family:var(--mono);font-weight:700;color:var(--red);font-size:.82rem}
.stat .top .l{font-family:var(--mono);font-weight:500;font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.stat .fig{font-family:var(--disp);font-weight:500;color:var(--white);/* figures stay white */
  font-size:clamp(2.4rem,4.4vw,3.4rem);line-height:1;letter-spacing:-.02em}
.stat .figcap{font-family:var(--mono);font-weight:500;font-size:.6rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--muted);margin:12px 0 20px}
.stat p{margin:auto 0 0;font-size:.92rem;color:var(--body)}

/* ---- Discovery -------------------------------------------- */
.disc{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:52px;
  border:1px solid var(--line);background:var(--panel)}
.disc-col{padding:28px 26px 30px;border-right:1px solid var(--line)}
.disc-col:last-child{border-right:0}
.disc-col > .cap{display:block;color:var(--red);margin-bottom:22px}
.q{display:flex;gap:14px;padding:16px 0;border-top:1px solid var(--line-soft)}
.q:first-of-type{border-top:0}
.q .qn{font-family:var(--mono);font-weight:700;color:var(--muted);font-size:.72rem;flex:none;padding-top:2px}
.q p{margin:0;font-size:.94rem;color:var(--body)}

/* ---- On AI (teal) ----------------------------------------- */
.ai{background:var(--bg-deep)}
.ai .accent{color:var(--teal)}
.ai-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px,5vw,72px);margin-top:8px}
.ai-statement{font-family:var(--body-f);font-weight:400;color:var(--ink);
  font-size:clamp(1.05rem,1.5vw,1.3rem);line-height:1.6;max-width:44ch;margin:26px 0 34px}
.ai-points{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line-soft)}
.ai-point{display:flex;gap:16px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line-soft)}
.ai-point .pn{font-family:var(--mono);font-weight:700;color:var(--teal);font-size:.8rem;flex:none}
.ai-point span:last-child{color:var(--ink);font-size:1.02rem}
.spec{background:var(--panel);border:1px solid var(--line);padding:32px 30px}
.spec .cap{display:block;color:var(--teal);margin-bottom:14px}
.spec h3{font-family:var(--disp);font-weight:500;color:var(--white);font-size:1.7rem;margin:0 0 26px;
  padding-bottom:22px;border-bottom:1px solid var(--line)}
.spec .row{margin-bottom:24px}
.spec .row:last-child{margin-bottom:0}
.spec .row .cap{color:var(--muted);margin-bottom:8px}
.spec .val{color:var(--ink);font-size:1.04rem;line-height:1.5}
.spec .big{font-family:var(--disp);font-weight:500;color:var(--white);font-size:1.9rem;letter-spacing:-.01em}
.spec .big b{font-weight:700}
.spec .sub{font-size:.86rem;color:var(--muted);margin-top:4px}

/* ---- Solutions (2x2) -------------------------------------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:52px}
.sol{background:var(--panel);border:1px solid var(--line);padding:30px 30px 32px;display:grid;
  grid-template-columns:1fr 92px;gap:20px}
.sol .tag{grid-column:1/3;display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}
.sol .tag .lbl{font-family:var(--mono);font-weight:500;font-size:.62rem;letter-spacing:.2em;color:var(--muted)}
.sol .tag .std{font-family:var(--mono);font-weight:500;font-size:.58rem;letter-spacing:.2em;color:var(--muted);
  border:1px solid var(--line);padding:4px 9px}
.sol h3{font-family:var(--disp);font-weight:500;color:var(--white);font-size:1.32rem;margin:0 0 4px}
.sol .verbs{font-family:var(--mono);font-weight:500;font-size:.72rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--red);margin:0 0 18px}
.sol .caps{display:grid;grid-template-columns:1fr 1fr;gap:2px 20px}
.sol .caps li{list-style:none;font-size:.86rem;color:var(--body);padding:5px 0;display:flex;gap:9px}
.sol .caps li::before{content:"";width:5px;height:5px;background:var(--red);flex:none;margin-top:8px}
.sol .caps ul{margin:0;padding:0}
.sol .illo{grid-row:2/4;grid-column:2;align-self:start;justify-self:end}
.sol .illo img{width:80px;height:auto;opacity:.92}

/* ---- Installation (7 steps) ------------------------------- */
.flow-head{display:flex;justify-content:space-between;align-items:center;margin-top:44px;
  font-family:var(--mono);font-weight:500;font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.flow-head .bar{flex:1;height:1px;background:var(--line-soft);margin:0 18px}
.flow{display:grid;grid-template-columns:repeat(7,1fr);gap:0;margin-top:18px;border:1px solid var(--line)}
.step{padding:24px 18px 26px;border-right:1px solid var(--line);background:var(--panel)}
.step:last-child{border-right:0}
.step .sn{font-family:var(--mono);font-weight:700;color:var(--red);font-size:.78rem;letter-spacing:.08em}
.step h4{font-family:var(--disp);font-weight:500;color:var(--white);font-size:.98rem;margin:16px 0 10px}
.step p{margin:0;font-size:.82rem;color:var(--body);line-height:1.5}

/* ---- About ------------------------------------------------ */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,72px);align-items:start}
.about p.body{font-size:1.05rem;color:var(--body);max-width:44ch;margin:22px 0 0}
.about .block{margin-top:34px}
.about .block .cap{display:block;color:var(--red);margin-bottom:12px}
.about .block p{margin:0;color:var(--body);max-width:44ch}
.about .coverage{margin-top:22px;font-family:var(--mono);font-weight:500;font-size:.8rem;
  letter-spacing:.06em;color:var(--ink)}
.about-visual{align-self:center}
.about-visual img{width:100%;max-width:520px;margin-left:auto;opacity:.95}

.partners{margin-top:clamp(48px,7vw,84px);padding-top:40px;border-top:1px solid var(--line-soft)}
.partners .cap{display:block;color:var(--red);margin-bottom:24px}
.partner-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.partner{background:var(--panel);border:1px solid var(--line);height:112px;
  display:flex;align-items:center;justify-content:center;padding:0 26px}
.partner img{max-height:48px;max-width:170px;width:auto;height:auto;object-fit:contain}

/* ---- Contact ---------------------------------------------- */
.contact{background:var(--bg-deep)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:start}
.cta{display:inline-flex;align-items:center;gap:12px;margin-top:30px;
  background:var(--red);color:#fff;font-family:var(--mono);font-weight:500;font-size:.8rem;
  letter-spacing:.16em;text-transform:uppercase;padding:16px 28px;border:1px solid var(--red);
  transition:background .18s,color .18s}
.cta:hover{background:transparent;color:var(--red)}
.contact-panel{border:1px solid var(--line);background:var(--panel)}
.contact-panel .item{padding:24px 28px;border-bottom:1px solid var(--line)}
.contact-panel .item:last-child{border-bottom:0}
.contact-panel .cap{display:block;color:var(--muted);margin-bottom:8px}
.contact-panel a.email{color:var(--ink);font-family:var(--mono);font-weight:400;font-size:1.05rem;letter-spacing:.02em;transition:color .18s}
.contact-panel a.email:hover{color:var(--red)}
.contact-panel .cov{color:var(--ink);font-family:var(--mono);font-size:.92rem;letter-spacing:.04em}

/* ---- Footer ----------------------------------------------- */
.foot{border-top:1px solid var(--line-soft);padding:34px 0}
.foot-inner{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut);
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-family:var(--mono);font-weight:500;font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.foot-inner img{height:18px;width:auto;opacity:.85}
.foot .l{display:flex;align-items:center;gap:14px}

/* ---- Reveal (motion, reduced-motion safe) ----------------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---- Responsive ------------------------------------------- */
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-cam{justify-self:start}
  .hero-cam img{height:240px}
  .ai-grid,.about-grid,.contact-grid{grid-template-columns:1fr;gap:40px}
  .grid-3,.grid-stat{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
  .disc{grid-template-columns:1fr}
  .disc-col{border-right:0;border-bottom:1px solid var(--line)}
  .disc-col:last-child{border-bottom:0}
  .flow{grid-template-columns:repeat(2,1fr)}
  .step{border-bottom:1px solid var(--line)}
  .about-visual img{max-width:100%;margin:0}
  .partner-strip{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:620px){
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;
    background:var(--bg-deep);border-bottom:1px solid var(--line)}
  .nav-links.open a{padding:15px var(--gut);border-top:1px solid var(--line-soft)}
  .nav-toggle{display:inline-block}
  .grid-3,.grid-stat,.grid-2{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .step{border-right:0}
  .partner-strip{grid-template-columns:1fr 1fr}
  .partner{padding:0 12px}
  .sol{grid-template-columns:1fr}
  .sol .illo{grid-row:auto;grid-column:1;justify-self:start}
  .sol .caps{grid-template-columns:1fr}
  .foot-inner{flex-direction:column;align-items:flex-start;gap:12px}
}