/* ============================================================
   THE MENTORINE SCHOOL — Warm Editorial Minimalist system
   One accent (Mentorine green). Fraunces + DM Sans. Day/Night.
   ============================================================ */

:root{
  --paper:#FAF8F4; --paper-2:#F3F0EA; --card:#FFFFFF;
  --ink:#1A1814; --ink-soft:#57524A; --ink-faint:#8A8378;
  --accent:#0D8C4F; --accent-h:#0A6F3F;
  --line:rgba(26,24,20,0.12); --line-soft:rgba(26,24,20,0.07);
  --r-sm:2px; --r:8px; --r-pill:100px;
}
html[data-theme="night"]{
  --paper:#14120F; --paper-2:#1B1814; --card:#1B1814;
  --ink:#F2EEE6; --ink-soft:#ADA79B; --ink-faint:#6E685D;
  --accent:#2FB36B; --accent-h:#4CC684;
  --line:rgba(242,238,230,0.14); --line-soft:rgba(242,238,230,0.07);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'DM Sans',sans-serif;font-weight:300;
  background:var(--paper);color:var(--ink);
  line-height:1.65;-webkit-font-smoothing:antialiased;
  background-image:radial-gradient(var(--line-soft) 1px, transparent 1px);
  background-size:22px 22px;background-attachment:fixed;
}
h1,h2,h3{font-family:'Fraunces',serif;font-weight:400;line-height:1.08}
h1{letter-spacing:-1.5px}h2{letter-spacing:-1px}
em.ac{font-style:italic;color:var(--accent)}
a{color:inherit}
img{max-width:100%}

.wrap{max-width:1000px;margin:0 auto;padding:0 clamp(1.2rem,4vw,2rem)}
.narrow{max-width:760px;margin:0 auto}

/* Kicker */
.kicker{
  display:flex;align-items:center;gap:.7rem;
  font-size:.72rem;font-weight:500;letter-spacing:2.5px;text-transform:uppercase;
  color:var(--ink-faint);margin-bottom:1.1rem;
}
.kicker::before{content:"";width:26px;height:1px;background:var(--accent)}

/* Nav */
.nav{
  position:sticky;top:0;z-index:50;
  background:color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
}
.nav-inner{
  max-width:1000px;margin:0 auto;padding:.85rem clamp(1.2rem,4vw,2rem);
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
}
.brand{display:flex;align-items:center;gap:.65rem;text-decoration:none}
.brand .mark{height:36px;width:auto;display:block}
.wm{display:flex;flex-direction:column;line-height:1.18;font-family:'Cinzel',serif}
.wm-top{font-size:.8rem;font-weight:600;letter-spacing:1.5px;color:var(--ink);white-space:nowrap}
.wm-top em{font-style:normal;color:var(--accent)}
.wm-sub{font-size:.5rem;font-weight:400;letter-spacing:3.5px;color:var(--ink-faint)}
@media(max-width:420px){.wm-top{font-size:.7rem}.wm-sub{display:none}}
.nav-links{display:flex;align-items:center;gap:1.5rem;font-size:.86rem;font-weight:400}
.nav-links a{text-decoration:none;color:var(--ink-soft)}
.nav-links a:hover{color:var(--accent)}
.nav-cta{
  text-decoration:none;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:.42rem 1.1rem;font-size:.82rem;font-weight:500;color:var(--ink);
  transition:.25s;
}
.nav-cta:hover{border-color:var(--accent);color:var(--accent)}
.theme-btn{
  border:1px solid var(--line);background:none;color:var(--ink-soft);
  border-radius:var(--r-pill);width:34px;height:34px;cursor:pointer;font-size:.9rem;
}
.menu-btn{display:none;border:none;background:none;color:var(--ink);font-size:1.3rem;cursor:pointer}
@media(max-width:780px){
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;
    align-items:flex-start;gap:0;background:var(--paper);border-bottom:1px solid var(--line);
    padding:.5rem 0;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:.8rem clamp(1.2rem,4vw,2rem);width:100%}
  .menu-btn{display:block}
}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:.6rem;
  background:var(--ink);color:var(--paper);text-decoration:none;border:none;cursor:pointer;
  font-family:'DM Sans',sans-serif;font-size:.92rem;font-weight:500;
  padding:1rem 2.2rem;border-radius:var(--r-sm);transition:background .25s;
}
.btn .arr{transition:transform .25s}
.btn:hover{background:var(--accent)}
.btn:hover .arr{transform:translateX(4px)}
.link-quiet{
  color:var(--ink-faint);font-size:.9rem;text-decoration:underline;
  text-underline-offset:4px;text-decoration-color:var(--line);
}
.link-quiet:hover{color:var(--accent)}

/* Cards & surfaces */
.card{
  background:var(--card);border:1px solid var(--line-soft);
  border-radius:var(--r);padding:1.6rem;
}
.hairline{height:1px;background:var(--line-soft);border:none}

/* Inputs */
.field{margin-bottom:1.1rem}
.field label{
  display:block;font-size:.72rem;font-weight:500;letter-spacing:2px;
  text-transform:uppercase;color:var(--ink-faint);margin-bottom:.45rem;
}
.field input,.field select{
  width:100%;padding:.85rem 1rem;border:1px solid var(--line);border-radius:var(--r);
  background:var(--card);color:var(--ink);font-family:'DM Sans',sans-serif;
  font-size:.95rem;font-weight:300;outline:none;transition:border-color .2s;
}
.field input:focus,.field select:focus{border-color:var(--accent)}

/* Badges */
.badge{
  display:inline-flex;align-items:center;gap:.4rem;
  font-size:.7rem;font-weight:500;letter-spacing:1.5px;text-transform:uppercase;
  border:1px solid var(--line);border-radius:var(--r-pill);padding:.3rem .85rem;
  color:var(--ink-faint);
}
.badge.locked{color:var(--ink-faint)}
.badge.open{color:var(--accent);border-color:color-mix(in srgb, var(--accent) 40%, transparent)}

/* Floating chip */
.chip-float{
  position:fixed;bottom:1.4rem;right:1.4rem;z-index:60;
  width:52px;height:52px;border-radius:var(--r-pill);
  background:var(--ink);color:var(--paper);display:flex;align-items:center;justify-content:center;
  text-decoration:none;font-size:1.25rem;transition:transform .25s;
  box-shadow:0 6px 24px rgba(0,0,0,.18);
}
.chip-float:hover{transform:scale(1.07)}

/* Footer */
.footer{
  border-top:1px solid var(--line-soft);margin-top:clamp(3rem,8vw,5rem);
  padding:2.4rem 0 6rem;color:var(--ink-faint);font-size:.85rem;
}
.footer .wrap{display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:center}

/* Section rhythm */
.section{padding:clamp(2.6rem,7vw,4.6rem) 0}
.section-head{margin-bottom:clamp(1.6rem,4vw,2.6rem)}
.section-head h2{font-size:clamp(1.8rem,4.5vw,2.6rem)}
.section-head p{color:var(--ink-soft);max-width:56ch;margin-top:.7rem}

@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}