/* Ryushin Shouchi Ryu, Iaijutsu — site styles
   Emulates the look of the current WordPress site (Twenty Seventeen): full-width hero photo with
   the round logo and title over it, a white menu bar, and a narrow reading column. */

:root{
  --ink:#222;
  --text:#333;
  --muted:#767676;
  --line:#eee;
  --link:#1a1a1a;
  --accent:#8a1c1c;
  --nav-h:56px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:#fff;color:var(--text);
  font:16px/1.75 "Libre Franklin","Helvetica Neue",Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
img,video{max-width:100%;height:auto}
a{color:var(--link);text-decoration:underline;text-decoration-color:rgba(0,0,0,.35);text-underline-offset:2px}
a:hover,a:focus{color:var(--accent);text-decoration-color:currentColor}

/* ---------- Hero ---------- */
/* Like the current site: the photo fills the first screen (window height minus the menu bar),
   centred, so the menu bar sits at the bottom edge when the page opens. */
.hero{
  position:relative;color:#fff;
  height:calc(100vh - var(--nav-h) - 2px);
  height:calc(100svh - var(--nav-h) - 2px);
  min-height:420px;
  background:#3a3a3a url("/assets/images/rsr-header.jpg") 50% 50%/cover no-repeat;
  display:flex;align-items:flex-end;
}
.hero::before{ /* darken the lower part so the white title reads clearly */
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(0,0,0,.62) 0%,rgba(0,0,0,.28) 38%,rgba(0,0,0,0) 70%);
}
.hero-inner{position:relative;width:100%;max-width:1120px;margin:0 auto;padding:0 1.5rem 2.2rem}
.brand{display:flex;align-items:flex-end;gap:1.1rem;flex-wrap:wrap}
.brand a.logo{display:block;background:#fff;line-height:0;flex:0 0 auto}
.brand img.logo{width:84px;height:84px;display:block}
.brand h1{
  margin:0;font-weight:800;text-transform:uppercase;letter-spacing:.08em;
  font-size:clamp(1.25rem,3.4vw,2.1rem);line-height:1.25;color:#fff;
}
.brand h1 a{color:inherit;text-decoration:none}
.tagline{margin:.25rem 0 0;font-size:.95rem;letter-spacing:.02em;color:#f1f1f1}

/* ---------- Menu ---------- */
.site-nav{
  position:sticky;top:0;z-index:20;background:#fff;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.site-nav ul{
  list-style:none;margin:0 auto;padding:0 1.5rem;max-width:1120px;
  display:flex;flex-wrap:wrap;gap:0 .4rem;
}
.site-nav a{
  display:block;padding:1rem .9rem;min-height:var(--nav-h);
  font-size:.8rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em;
  color:var(--ink);text-decoration:none;
}
.site-nav a:hover,.site-nav a:focus{color:var(--muted)}
.site-nav a[aria-current="page"]{box-shadow:inset 0 -3px 0 var(--ink)}

/* ---------- Content ---------- */
main{max-width:740px;margin:0 auto;padding:3rem 1.5rem 4rem}
main > *:first-child{margin-top:0}
h2{
  font-size:.95rem;font-weight:800;text-transform:uppercase;letter-spacing:.14em;
  color:var(--ink);margin:2.6rem 0 .8rem;
}
.page-title{
  font-size:1.05rem;font-weight:800;text-transform:uppercase;letter-spacing:.14em;
  color:var(--ink);margin:0 0 1.6rem;padding-bottom:.9rem;border-bottom:1px solid var(--line);
}
p{margin:0 0 1.5rem}
.kanji-title{display:block;margin:0 0 2rem}
.kanji-title img{display:block;width:100%;max-width:520px;height:auto}
figure{margin:2rem 0}
figure img,figure video{display:block;margin:0 auto}
figcaption{font-size:.85rem;color:var(--muted);text-align:center;margin-top:.6rem}
.video{margin:2rem 0}
.video video{display:block;width:100%;max-width:640px;margin:0 auto;background:#000}
.centered{text-align:center}
.logo-end{display:block;margin:3rem auto 0;width:150px;height:auto}

.link-list{list-style:none;margin:0;padding:0}
.link-list li{padding:.6rem 0;border-bottom:1px solid var(--line)}
.link-list li:last-child{border-bottom:0}
.kata-links{list-style:none;margin:1.2rem 0 0;padding:0;columns:2;column-gap:2rem}
.kata-links li{margin:0 0 .55rem;break-inside:avoid}

address{font-style:normal}
.contact-card{margin:2rem 0;padding:1.4rem 1.6rem;border:1px solid var(--line);background:#fafafa}
.contact-card h3{margin:0 0 .8rem;font-size:.9rem;font-weight:800;text-transform:uppercase;letter-spacing:.1em}
.contact-card dt{font-weight:800;font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;margin-top:.6rem}
.contact-card dd{margin:0}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);padding:2rem 1.5rem;text-align:center;font-size:.85rem;color:var(--muted)}
.site-footer p{margin:.2rem 0}

/* ---------- Small screens ---------- */
.nav-toggle{display:none}
@media (max-width:640px){
  .brand img.logo{width:64px;height:64px}
  /* phone: the menu folds into a single "Menu" bar, as on the current site */
  .nav-toggle{
    display:flex;align-items:center;gap:.6rem;width:100%;min-height:var(--nav-h);
    padding:0 1.2rem;background:#fff;border:0;cursor:pointer;
    font:800 .8rem/1 "Libre Franklin","Helvetica Neue",Helvetica,Arial,sans-serif;
    text-transform:uppercase;letter-spacing:.06em;color:var(--ink);
  }
  .nav-toggle .bars{width:16px;height:2px;background:var(--ink);box-shadow:0 5px 0 var(--ink),0 -5px 0 var(--ink)}
  .site-nav ul{display:none;padding:0 .6rem;flex-direction:column;border-top:1px solid var(--line)}
  .site-nav.open ul{display:flex}
  .site-nav a{padding:.85rem .6rem;min-height:0}
  .kata-links{columns:1}
  main{padding:2rem 1.2rem 3rem}
}

/* ---------- Contact form ---------- */
main{scroll-margin-top:calc(var(--nav-h) + 2px)}
#content{scroll-margin-top:calc(var(--nav-h) + 2px)}
.contact-form{margin:1.2rem 0 0}
.contact-form .hp{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.contact-form .field{margin:0 0 1.2rem}
.contact-form label{display:block;font-size:.8rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--ink);margin-bottom:.35rem}
.contact-form .req{color:var(--accent)}
.contact-form input[type=text],.contact-form input[type=email],.contact-form textarea{
  width:100%;padding:.7rem .8rem;border:1px solid #c9c9c9;border-radius:2px;background:#fff;color:var(--text);
  font:inherit;line-height:1.5;
}
.contact-form textarea{resize:vertical;min-height:120px}
.contact-form input:focus,.contact-form textarea:focus{outline:2px solid var(--ink);outline-offset:1px;border-color:var(--ink)}
.contact-form .invalid{border-color:var(--accent)}
.contact-form .err{display:block;color:var(--accent);font-size:.85rem;min-height:1.1em;margin-top:.25rem}
.contact-form .send{
  background:var(--ink);color:#fff;border:0;padding:.85rem 2rem;cursor:pointer;
  font:800 .8rem/1 "Libre Franklin","Helvetica Neue",Helvetica,Arial,sans-serif;text-transform:uppercase;letter-spacing:.1em;
}
.contact-form .send:hover:not(:disabled){background:var(--accent)}
.contact-form .send:disabled{opacity:.55;cursor:default}
.form-status{margin:1rem 0 0;font-weight:600}
.form-status.ok{color:#1f6b3a}
.form-status.bad{color:var(--accent)}