/* teachmyskill — manufacturing-safety landing. Self-contained, no framework. */
:root{
  --ink:#0f1b2d;          /* deep navy text */
  --ink-soft:#46566b;
  --bg:#ffffff;
  --bg-soft:#f4f7fb;      /* light band */
  --brand:#a24b5a;        /* light maroon */
  --brand-dark:#7c3340;   /* deep maroon */
  --accent:#c9818c;       /* dusty rose accent */
  --line:#e2e8f1;
  --radius:14px;
  --shadow:0 10px 30px rgba(15,27,45,.10);
  --shadow-sm:0 4px 14px rgba(15,27,45,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);background:var(--bg);
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  line-height:1.6;-webkit-font-smoothing:antialiased;
}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
h1,h2,h3{line-height:1.18;margin:0 0 .5em;color:var(--ink);font-weight:800;letter-spacing:-.02em}
h1{font-size:clamp(2.1rem,5vw,3.5rem);font-weight:900}
h2{font-size:clamp(1.5rem,3vw,2.1rem)}
h3{font-size:1.12rem}
p{margin:0 0 1rem}
a{color:var(--brand-dark);text-decoration:none}
b{font-weight:700}

/* ---------- buttons ---------- */
.btn{
  display:inline-block;background:var(--brand);color:#fff;font-weight:700;
  padding:13px 24px;border-radius:10px;border:0;cursor:pointer;font-size:1rem;
  transition:transform .08s ease,background .15s ease,box-shadow .15s ease;
  box-shadow:var(--shadow-sm);
}
.btn:hover{background:var(--brand-dark);transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:.92rem}
.btn-ghost{background:#fff;color:var(--brand-dark);border:1.5px solid var(--line)}
.btn-ghost:hover{background:var(--bg-soft);color:var(--brand-dark)}
.btn-full{width:100%;padding:14px}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(8px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:center;height:64px;position:relative}
.brand{position:absolute;left:0;display:inline-flex;align-items:center}
.brand-logo{height:36px;width:auto;display:block}
.brand-accent{color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-link{color:var(--ink-soft);font-weight:600;font-size:.95rem}
.nav-link:hover{color:var(--ink)}
.nav-toggle{display:none;position:absolute;right:0;background:none;border:0;
  font-size:1.5rem;line-height:1;color:var(--ink);cursor:pointer;padding:4px 6px}
@media(max-width:760px){
  .nav-toggle{display:block}
  .nav-links{position:absolute;top:64px;left:-24px;right:-24px;flex-direction:column;
    align-items:stretch;gap:0;background:#fff;border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:6px 0;display:none}
  .nav-links.open{display:flex}
  .nav-link{padding:13px 24px;font-size:1rem}
  .nav-links .btn{margin:8px 24px 6px;text-align:center}
}

/* ---------- hero ---------- */
.hero{padding:64px 0 56px;background:
  radial-gradient(1200px 400px at 80% -10%,rgba(162,75,90,.10),transparent 60%),
  linear-gradient(#fff,#fbfdff)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;font-weight:700;font-size:.82rem;letter-spacing:.06em;
  text-transform:uppercase;color:var(--brand-dark);background:rgba(162,75,90,.10);
  padding:6px 12px;border-radius:999px;margin-bottom:18px}
.hl{color:#8b97a6}
.lede{font-size:1.16rem;color:var(--ink-soft);max-width:34em}
.soon{font-weight:500;font-size:.88em;color:var(--ink-soft)}
.cta-row{display:flex;gap:14px;margin:26px 0 22px;flex-wrap:wrap}
.trust{display:flex;flex-wrap:wrap;gap:10px 18px;color:var(--ink-soft);font-size:.92rem;font-weight:600}
.trust span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 14px;box-shadow:var(--shadow-sm)}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr;gap:32px}}

/* hero video card */
.video-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:14px;box-shadow:var(--shadow)}
.video-frame{position:relative;aspect-ratio:16/10;border-radius:10px;overflow:hidden;
  background:linear-gradient(135deg,#b86574,#7c3340);display:flex;align-items:center;justify-content:center}
.video-frame img{width:100%;height:100%;object-fit:cover}
.video-frame .play{position:absolute;width:64px;height:64px;border-radius:50%;border:0;cursor:pointer;
  background:rgba(255,255,255,.92);color:var(--brand-dark);font-size:1.4rem;box-shadow:var(--shadow);
  display:flex;align-items:center;justify-content:center;padding-left:4px}
.video-frame .play:hover{background:#fff;transform:scale(1.04)}
.video-cap{margin-top:10px;font-size:.9rem;color:var(--ink-soft);text-align:center}

/* ---------- sections / bands ---------- */
.section{padding-top:64px;padding-bottom:64px}
.band{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sub{font-size:1.08rem;color:var(--ink-soft);max-width:64ch}
.center{text-align:center}
.problem{padding:56px 0}
.problem h2{max-width:20em}
.problem p{max-width:62ch;font-size:1.08rem;color:var(--ink-soft)}
.problem .emph{font-weight:700;color:var(--ink);font-size:1.14rem}

/* steps */
.steps{display:flex;flex-direction:column;gap:14px;margin-top:34px}
.step{display:flex;align-items:center;gap:22px;background:#fff;border:1px solid var(--line);
  border-left:3px solid var(--line);border-radius:var(--radius);padding:20px 26px;box-shadow:var(--shadow-sm);
  transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease,background .16s ease}
.step:hover{transform:translateX(6px);box-shadow:var(--shadow);border-color:var(--brand);
  border-left-color:var(--brand);background:#fdf5f6}
.step span{flex:0 0 auto;display:inline-flex;width:46px;height:46px;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;font-weight:800;font-size:1.15rem;border-radius:12px;
  transition:transform .16s ease,background .16s ease}
.step:hover span{transform:scale(1.08) rotate(-3deg);background:var(--brand-dark)}
.step-body{flex:1}
.step-body h3{margin-bottom:4px}
.step-body p{color:var(--ink-soft);font-size:.96rem;margin:0}
@media(max-width:560px){.step{align-items:flex-start;gap:16px;padding:18px}}

/* demo */
.demo-stage{display:grid;grid-template-columns:1.4fr .9fr;gap:32px;margin-top:30px;align-items:center}
.demo-video{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#0f1b2d;aspect-ratio:16/9}
.demo-video video,.demo-video iframe{width:100%;height:100%;display:block;border:0}
.demo-placeholder{width:100%;height:100%;background:
  radial-gradient(600px 200px at 50% 0,rgba(244,163,35,.18),transparent),linear-gradient(135deg,#102338,#0a1626);
  display:flex;align-items:center;justify-content:center;text-align:center;color:#dce6f2}
.demo-placeholder-inner{padding:30px}
.demo-placeholder .badge{display:inline-block;background:var(--accent);color:#4a1f27;font-weight:800;
  font-size:.78rem;letter-spacing:.04em;text-transform:uppercase;padding:5px 12px;border-radius:999px;margin-bottom:14px}
.demo-placeholder p{color:#cdd9e8;margin-bottom:16px}
.demo-side h3{margin-bottom:14px}
@media(max-width:860px){.demo-stage{grid-template-columns:1fr}}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm)}
.card h3{margin-bottom:8px}
.card p{color:var(--ink-soft);font-size:.97rem;margin:0}
@media(max-width:880px){.cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.cards{grid-template-columns:1fr}}

/* two-col */
.two-col{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
@media(max-width:860px){.two-col{grid-template-columns:1fr;gap:28px}}
.ticks{list-style:none;padding:0;margin:0}
.ticks li{position:relative;padding:8px 0 8px 30px;color:var(--ink-soft)}
.ticks li:before{content:"✓";position:absolute;left:0;top:8px;color:var(--brand);font-weight:900}
.ticks li b{color:var(--ink)}
.aside{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm)}
.uses{list-style:none;padding:0;margin:0 0 12px}
.uses li{padding:7px 0;border-bottom:1px dashed var(--line);color:var(--ink-soft)}
.uses li:last-child{border-bottom:0}
.muted-note{font-size:.9rem;color:var(--ink-soft);margin:8px 0 0}

/* pricing */
.pricing-points{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:32px 0 30px}
.pp{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm)}
.pp b{display:block;color:var(--ink);font-size:1.05rem;margin-bottom:6px}
.pp span{color:var(--ink-soft);font-size:.95rem}
@media(max-width:780px){.pricing-points{grid-template-columns:1fr}}

/* forms */
.book .aside{background:#fff}
.form-aside h3{margin-bottom:14px}
.lead-form{display:flex;flex-direction:column;gap:10px}
.lead-form input,.lead-form textarea{
  width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;
  font:inherit;color:var(--ink);background:#fcfdff;transition:border-color .15s}
.lead-form input:focus,.lead-form textarea:focus{outline:0;border-color:var(--brand)}
.lead-form textarea{resize:vertical}
.form-note{font-size:.82rem;color:var(--ink-soft);margin:6px 0 0;text-align:center}
.thanks{background:rgba(162,75,90,.08);border:1px solid var(--brand);color:var(--brand-dark);
  padding:18px;border-radius:10px;font-weight:600;text-align:center}

/* hidden google-forms sink */
.gf-sink{position:absolute;width:0;height:0;border:0;left:-9999px}

/* footer */
footer{background:var(--ink);color:#c6d2e2;padding:28px 0;font-size:.92rem}
.foot{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
footer a{color:#f6b07a}
footer b{color:#fff}