/* ===== Courie How-To — modern refresh ===== */
:root{
  --navy:#0b1b3a;
  --navy-2:#13294b;
  --ink:#1a2236;
  --muted:#5b6680;
  --line:#e6e9f0;
  --bg:#ffffff;
  --bg-soft:#f6f8fc;
  --red:#e10600;
  --red-dark:#b80500;
  --radius:14px;
  --shadow:0 1px 2px rgba(16,24,40,.05),0 8px 28px rgba(16,24,40,.08);
  --shadow-lg:0 18px 50px rgba(11,27,58,.16);
  --maxw:1080px;
  --font:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--ink);
  background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* ---- Header / nav ---- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);
}
.nav{
  max-width:var(--maxw);margin:0 auto;padding:14px 22px;
  display:flex;align-items:center;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand img{height:30px;width:auto}
.nav-links{
  margin-left:auto;display:flex;align-items:center;gap:6px;flex-wrap:wrap;
}
.nav-links a{
  font-size:14px;font-weight:600;color:var(--muted);
  padding:8px 12px;border-radius:9px;letter-spacing:.01em;transition:.15s;
}
.nav-links a:hover{color:var(--navy);background:var(--bg-soft)}
.nav-links a.active{color:var(--red)}
.nav-toggle{display:none;margin-left:auto;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--navy);margin:4px 0;border-radius:2px}

/* ---- Hero (home) ---- */
.hero{
  background:radial-gradient(1200px 500px at 50% -120px,rgba(225,6,0,.10),transparent 60%),
             linear-gradient(180deg,#fff 0%,var(--bg-soft) 100%);
  border-bottom:1px solid var(--line);
}
.hero-inner{max-width:var(--maxw);margin:0 auto;padding:84px 22px 72px;text-align:center}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--red);background:rgba(225,6,0,.08);
  padding:6px 14px;border-radius:999px;margin-bottom:22px;
}
.hero h1{
  font-size:clamp(40px,7vw,68px);line-height:1.02;letter-spacing:-.02em;
  margin:0 0 18px;color:var(--navy);font-weight:800;
}
.hero p.lead{font-size:18px;color:var(--muted);max-width:560px;margin:0 auto 30px}
.btn{
  display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:15px;
  padding:13px 24px;border-radius:11px;transition:.18s;cursor:pointer;border:0;
}
.btn-primary{background:var(--red);color:#fff;box-shadow:0 8px 22px rgba(225,6,0,.28)}
.btn-primary:hover{background:var(--red-dark);transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--navy);border:1px solid var(--line);box-shadow:var(--shadow)}
.btn-ghost:hover{border-color:#c9d0e0;transform:translateY(-1px)}

/* ---- Section ---- */
.section{max-width:var(--maxw);margin:0 auto;padding:64px 22px}
.section-head{text-align:center;margin-bottom:40px}
.section-head h2{font-size:30px;letter-spacing:-.01em;color:var(--navy);margin:0 0 10px;font-weight:800}
.section-head p{color:var(--muted);margin:0;font-size:16px}

/* ---- Card grid (home) ---- */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);transition:.2s;position:relative;overflow:hidden;
  display:flex;flex-direction:column;gap:12px;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#d7deee}
.card .num{
  font-size:13px;font-weight:800;color:var(--red);letter-spacing:.1em;
}
.card h3{margin:0;font-size:20px;color:var(--navy);font-weight:750;letter-spacing:-.01em}
.card p{margin:0;color:var(--muted);font-size:15px;flex:1}
.card .go{
  margin-top:6px;font-weight:700;font-size:14.5px;color:var(--navy);
  display:inline-flex;align-items:center;gap:7px;
}
.card:hover .go{color:var(--red)}
.card .go svg{transition:.2s}
.card:hover .go svg{transform:translateX(4px)}

/* ---- Guide page ---- */
.guide-hero{background:linear-gradient(180deg,#fff,var(--bg-soft));border-bottom:1px solid var(--line)}
.guide-hero-inner{max-width:820px;margin:0 auto;padding:60px 22px 40px;text-align:center}
.crumb{font-size:13px;font-weight:600;color:var(--muted);margin-bottom:16px}
.crumb a:hover{color:var(--red)}
.guide-hero h1{font-size:clamp(32px,5vw,46px);color:var(--navy);margin:0 0 14px;font-weight:800;letter-spacing:-.02em}
.guide-hero p{font-size:17px;color:var(--muted);max-width:600px;margin:0 auto}

.guide{max-width:820px;margin:0 auto;padding:46px 22px 80px}
.video-wrap{
  border-radius:16px;overflow:hidden;box-shadow:var(--shadow-lg);
  border:1px solid var(--line);margin-bottom:46px;background:#000;
}
.video-wrap video{width:100%;display:block}

.step{display:flex;gap:18px;padding:26px 0;border-top:1px solid var(--line)}
.step:first-of-type{border-top:0}
.step-num{
  flex:0 0 38px;height:38px;width:38px;border-radius:50%;
  background:var(--navy);color:#fff;font-weight:800;font-size:15px;
  display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.step-body{flex:1;min-width:0}
.step-body h3{margin:2px 0 8px;font-size:19px;color:var(--navy);font-weight:750;letter-spacing:-.01em}
.step-body p{margin:0 0 14px;color:var(--ink);font-size:16px}
.step-body p.note{
  background:#fff7f6;border:1px solid #f6d6d3;border-left:3px solid var(--red);
  padding:11px 15px;border-radius:9px;color:var(--ink);font-size:14.5px;
}
.shot{
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
  box-shadow:var(--shadow);margin:10px 0 6px;background:var(--bg-soft);
}
.shot + .shot{margin-top:14px}
.shot img{width:100%}
.final-note{
  margin-top:40px;background:var(--bg-soft);border:1px solid var(--line);
  border-radius:14px;padding:26px 28px;text-align:center;
}
.final-note h3{margin:0 0 8px;color:var(--navy);font-size:20px}
.final-note p{margin:0;color:var(--muted)}

/* ---- Page nav (prev/next) ---- */
.page-nav{
  max-width:820px;margin:0 auto;padding:0 22px 70px;
  display:flex;gap:16px;justify-content:space-between;flex-wrap:wrap;
}
.page-nav a{
  flex:1;min-width:220px;border:1px solid var(--line);border-radius:12px;
  padding:16px 20px;box-shadow:var(--shadow);transition:.18s;background:#fff;
}
.page-nav a:hover{border-color:#cdd5e6;transform:translateY(-2px)}
.page-nav .lbl{font-size:12px;font-weight:700;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}
.page-nav .ttl{font-size:16px;font-weight:750;color:var(--navy);margin-top:3px}
.page-nav a.next{text-align:right}

/* ---- Footer ---- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-soft)}
.footer-inner{
  max-width:var(--maxw);margin:0 auto;padding:34px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.footer-inner img{height:24px;opacity:.9}
.footer-inner .links{display:flex;gap:18px;flex-wrap:wrap}
.footer-inner .links a{font-size:14px;color:var(--muted);font-weight:600}
.footer-inner .links a:hover{color:var(--red)}
.footer-inner small{color:var(--muted);font-size:13px}

@media(max-width:760px){
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;background:#fff;
    border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;
    padding:10px 16px 16px;gap:2px;box-shadow:var(--shadow);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 12px;font-size:15px}
  .nav-toggle{display:block}
  .cards{grid-template-columns:1fr}
  .hero-inner{padding:64px 22px 54px}
}

/* ---- Embedded interactive guide ---- */
.embed-wrap{
  border-radius:16px;overflow:hidden;box-shadow:var(--shadow-lg);
  border:1px solid var(--line);margin-bottom:26px;background:#000;line-height:0;
}
.embed-wrap iframe{display:block;width:100%}