:root{
  --kiwi-deep:#2F4B26;
  --kiwi-leaf:#5B8A3A;
  --cream:#FBF6EC;
  --paper:#F2ECDC;
  --stamp-ink:#B8843A;
  --ink:#23231F;
  --line: rgba(35,35,31,0.16);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:'Inter',system-ui,sans-serif;
  line-height:1.5;
}
h1,h2,h3{
  font-family:'Fraunces',serif;
  font-weight:600;
  margin:0 0 0.4em;
  letter-spacing:-0.01em;
}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px;}
a{color:inherit;}

.skip-link{
  position:absolute;left:-999px;top:0;background:var(--kiwi-deep);color:#fff;
  padding:10px 16px;z-index:100;
}
.skip-link:focus{left:12px;top:12px;}

/* Header */
.site-header{
  position:sticky;top:0;background:var(--cream);
  border-bottom:1px solid var(--line);z-index:10;
}
.header-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 24px;
}
.logo{
  font-family:'Fraunces',serif;font-weight:600;font-size:1.3rem;text-decoration:none;
}
.logo span{color:var(--kiwi-leaf);}
nav{display:flex;gap:28px;}
nav a{text-decoration:none;font-weight:500;font-size:0.95rem;}
nav a:hover{color:var(--kiwi-leaf);}

.btn{
  display:inline-block;padding:11px 22px;border-radius:999px;
  font-weight:600;font-size:0.95rem;text-decoration:none;border:2px solid transparent;
  cursor:pointer;
}
.btn-primary{background:var(--kiwi-deep);color:#fff;}
.btn-primary:hover{background:var(--kiwi-leaf);}
.btn-ghost{border-color:var(--kiwi-deep);color:var(--kiwi-deep);background:transparent;}
.btn-ghost:hover{background:var(--paper);}
.btn:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, details summary:focus-visible{
  outline:3px solid var(--kiwi-leaf);outline-offset:2px;
}

/* Hero */
.hero{padding:80px 0 60px;}
.hero-grid{display:grid;grid-template-columns:1.1fr 0.9fr;gap:40px;align-items:center;}
.eyebrow{
  font-family:'IBM Plex Mono',monospace;font-size:0.8rem;letter-spacing:0.06em;
  text-transform:uppercase;color:var(--kiwi-leaf);margin:0 0 12px;
}
.hero h1{font-size:clamp(2.2rem,4vw,3.4rem);line-height:1.08;}
.hero-sub{max-width:46ch;color:#3d3d38;font-size:1.05rem;}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap;}

.hero-stamps{position:relative;height:320px;}
.stamp{
  position:absolute;width:150px;height:150px;border-radius:50%;
  border:3px double var(--stamp-ink);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  font-family:'IBM Plex Mono',monospace;color:var(--stamp-ink);
  background:rgba(184,132,58,0.05);
  text-transform:uppercase;letter-spacing:0.05em;
}
.stamp span{font-weight:700;font-size:1rem;}
.stamp em{font-style:normal;font-size:0.7rem;margin-top:4px;}
.stamp-1{top:0;left:20%;transform:rotate(-8deg);}
.stamp-2{top:40px;left:55%;transform:rotate(6deg);}
.stamp-3{top:170px;left:10%;transform:rotate(4deg);}
.stamp-4{top:160px;left:58%;transform:rotate(-5deg);}

/* Section shared */
section{padding:64px 0;}
section h2{font-size:1.9rem;margin-bottom:32px;}

/* Boards */
.boards{background:var(--paper);}
.board-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.board-card{
  background:var(--cream);border:1px solid var(--line);border-radius:14px;
  padding:22px;
}
.board-code{
  font-family:'IBM Plex Mono',monospace;font-size:0.75rem;color:var(--kiwi-leaf);
  letter-spacing:0.06em;margin:0 0 10px;
}
.board-card h3{font-size:1.15rem;margin-bottom:6px;}
.board-card p:last-child{margin:0;color:#4a4a44;font-size:0.92rem;}

/* Tutors */
.tutor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.tutor-card{
  border:1px solid var(--line);border-radius:14px;padding:24px;text-align:center;
}
.tutor-photo{
  width:64px;height:64px;border-radius:50%;background:var(--kiwi-deep);color:#fff;
  display:flex;align-items:center;justify-content:center;font-family:'IBM Plex Mono',monospace;
  margin:0 auto 14px;font-weight:600;
}
.tutor-card h3{font-size:1.1rem;margin-bottom:4px;}
.tutor-subject{margin:0 0 8px;color:#4a4a44;}
.tutor-stamp{
  font-family:'IBM Plex Mono',monospace;font-size:0.75rem;color:var(--stamp-ink);
  margin:0;letter-spacing:0.04em;
}

/* FAQ */
.accordion details{
  border-bottom:1px solid var(--line);padding:16px 0;
}
.accordion summary{
  cursor:pointer;font-weight:600;list-style:none;
}
.accordion summary::-webkit-details-marker{display:none;}
.accordion summary::before{content:"+ ";color:var(--kiwi-leaf);}
.accordion details[open] summary::before{content:"– ";}
.accordion p{margin:10px 0 0;color:#4a4a44;}

/* Booking */
.booking{background:var(--paper);}
.booking-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:48px;align-items:start;}
#booking-form{
  display:flex;flex-direction:column;gap:6px;background:var(--cream);
  border:1px solid var(--line);border-radius:16px;padding:28px;
}
#booking-form label{font-weight:600;font-size:0.9rem;margin-top:10px;}
#booking-form input, #booking-form select, #booking-form textarea{
  padding:10px 12px;border:1px solid var(--line);border-radius:8px;
  font-family:inherit;font-size:0.95rem;background:#fff;
}
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;}
.form-status{min-height:1.2em;font-size:0.9rem;color:var(--kiwi-deep);}
#booking-form button{margin-top:12px;align-self:flex-start;}

/* Footer */
.site-footer{padding:32px 0;border-top:1px solid var(--line);color:#5a5a52;font-size:0.9rem;}

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

/* Responsive */
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-stamps{display:none;}
  .board-grid{grid-template-columns:repeat(2,1fr);}
  .tutor-grid{grid-template-columns:1fr;}
  .booking-grid{grid-template-columns:1fr;}
}
@media (max-width:560px){
  .board-grid{grid-template-columns:1fr;}
  nav{display:none;}
}