/* ============================================================
   HilltopTsuki — Inspiring Japan
   Design tokens: aizome indigo, hinomaru red, washi paper
   ============================================================ */
:root {
  --paper:   #FAF9F6;
  --ink:     #1B2233;
  --indigo:  #25406E;
  --indigo-deep: #14223F;
  --sun:     #C8102E;
  --sun-soft:#FBEEF0;
  --sakura:  #F6ECEA;
  --mist:    #E7E4DD;
  --muted:   #5B6272;
  --display: 'Shippori Mincho', serif;
  --body:    'Mulish', sans-serif;
  --radius:  14px;
  --shadow:  0 12px 36px rgba(20,34,63,.10);
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { font-family:var(--body); color:var(--ink); background:var(--paper); line-height:1.65; }
img { max-width:100%; display:block; }
a { color:inherit; text-decoration:none; }
.container { width:min(1140px, 92%); margin:0 auto; }

h1,h2,h3 { font-family:var(--display); line-height:1.25; color:var(--ink); }
h1 { font-size:clamp(2.1rem, 5vw, 3.4rem); font-weight:700; }
h2 { font-size:clamp(1.6rem, 3.4vw, 2.3rem); font-weight:600; }
h3 { font-size:1.18rem; font-weight:600; }
p  { color:var(--muted); }

:focus-visible { outline:3px solid var(--sun); outline-offset:2px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation:none !important; transition:none !important; }
}

/* ---------- Buttons ---------- */
.btn {
  display:inline-flex; align-items:center; gap:.5rem;
  padding:.8rem 1.7rem; border-radius:999px; font-weight:700; font-size:.95rem;
  border:2px solid transparent; cursor:pointer; transition:transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform:translateY(-2px); }
.btn-sun { background:var(--sun); color:#fff; box-shadow:0 8px 20px rgba(200,16,46,.28); }
.btn-ghost { border-color:var(--indigo); color:var(--indigo); background:transparent; }
.btn-light { background:#fff; color:var(--indigo-deep); }

/* ---------- Topbar ---------- */
.topbar { background:var(--indigo-deep); color:#E9EDF6; font-size:.85rem; }
.topbar-inner { display:flex; align-items:center; gap:.6rem; padding:.45rem 0; flex-wrap:wrap; }
.topbar-dot { width:8px; height:8px; border-radius:50%; background:var(--sun); flex:none;
  animation:pulse 1.8s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.35} }
.topbar-link { color:#fff; font-weight:700; margin-left:auto; }

/* ---------- Header ---------- */
.site-header { background:rgba(250,249,246,.92); backdrop-filter:blur(8px);
  position:sticky; top:0; z-index:50; border-bottom:1px solid var(--mist); }
.header-inner { display:flex; align-items:center; justify-content:space-between; padding:.85rem 0; }
.brand { display:flex; align-items:center; gap:.65rem; }
.brand-disc { width:34px; height:34px; border-radius:50%; background:radial-gradient(circle at 35% 30%, #E22B47, var(--sun)); flex:none; box-shadow:0 4px 12px rgba(200,16,46,.35); }
.brand-text { display:flex; flex-direction:column; line-height:1.1; }
.brand-text strong { font-family:var(--display); font-size:1.15rem; letter-spacing:.02em; }
.brand-text small { font-size:.68rem; letter-spacing:.22em; text-transform:uppercase; color:var(--sun); font-weight:700; }
.brand-light .brand-text strong { color:#fff; }

.site-nav { display:flex; align-items:center; gap:1.5rem; font-weight:600; font-size:.93rem; }
.site-nav a:not(.btn) { color:var(--ink); padding:.3rem 0; border-bottom:2px solid transparent; }
.site-nav a.active, .site-nav a:not(.btn):hover { border-bottom-color:var(--sun); color:var(--sun); }
.nav-cta { padding:.55rem 1.3rem; }
.nav-toggle { display:none; background:none; border:0; cursor:pointer; flex-direction:column; gap:5px; padding:.4rem; }
.nav-toggle span { width:24px; height:2.5px; background:var(--ink); border-radius:2px; transition:.2s; }

/* ---------- Hero (signature: rising sun) ---------- */
.hero { position:relative; overflow:hidden; background:linear-gradient(180deg, #FBFAF7 0%, var(--sakura) 100%); }
.hero-inner { display:grid; grid-template-columns:1.15fr .85fr; gap:3rem; align-items:center; padding:4.5rem 0 5rem; }
.eyebrow { display:inline-flex; align-items:center; gap:.6rem; font-size:.78rem; font-weight:800;
  letter-spacing:.25em; text-transform:uppercase; color:var(--sun); margin-bottom:1rem; }
.eyebrow::before { content:""; width:34px; height:2px; background:var(--sun); }
.hero h1 .accent { color:var(--sun); }
.hero-lede { margin:1.2rem 0 2rem; font-size:1.08rem; max-width:34rem; }
.hero-actions { display:flex; gap:1rem; flex-wrap:wrap; }
.hero-meta { display:flex; gap:2.2rem; margin-top:2.4rem; flex-wrap:wrap; }
.hero-meta div strong { font-family:var(--display); font-size:1.5rem; display:block; color:var(--indigo-deep); }
.hero-meta div span { font-size:.8rem; letter-spacing:.08em; text-transform:uppercase; color:var(--muted); }

.hero-art { position:relative; display:flex; justify-content:center; }
.sun-disc { width:min(340px, 70vw); aspect-ratio:1; border-radius:50%;
  background:radial-gradient(circle at 38% 32%, #E73752, var(--sun) 70%);
  box-shadow:0 30px 70px rgba(200,16,46,.30); position:relative; }
.sun-disc::after { /* Fuji silhouette */
  content:""; position:absolute; bottom:-6%; left:-18%; right:-18%; height:46%;
  background:var(--indigo-deep);
  clip-path:polygon(0 100%, 18% 58%, 32% 74%, 50% 18%, 58% 34%, 66% 26%, 84% 66%, 100% 100%);
  border-radius:0 0 22px 22px;
}
.vertical-jp { position:absolute; right:-14px; top:8%; writing-mode:vertical-rl;
  font-family:var(--display); font-size:1.05rem; letter-spacing:.45em; color:var(--indigo); opacity:.55; }

/* ---------- Sections ---------- */
.section { padding:4.5rem 0; }
.section-alt { background:#fff; border-top:1px solid var(--mist); border-bottom:1px solid var(--mist); }
.section-head { max-width:42rem; margin-bottom:2.6rem; }
.section-head p { margin-top:.7rem; }
.section-jp { font-family:var(--display); color:var(--sun); font-size:.95rem; letter-spacing:.3em; display:block; margin-bottom:.4rem; }

/* ---------- Program cards ---------- */
.cards { display:grid; grid-template-columns:repeat(auto-fit, minmax(255px, 1fr)); gap:1.5rem; }
.card { background:#fff; border:1px solid var(--mist); border-radius:var(--radius); padding:1.8rem;
  box-shadow:var(--shadow); display:flex; flex-direction:column; gap:.7rem; position:relative; overflow:hidden;
  transition:transform .18s ease; }
.card:hover { transform:translateY(-5px); }
.card::before { content:""; position:absolute; top:0; left:0; right:0; height:4px; background:var(--sun); }
.card .card-jp { font-family:var(--display); color:var(--indigo); opacity:.5; font-size:.9rem; letter-spacing:.25em; }
.card p { font-size:.95rem; flex:1; }
.card .card-link { color:var(--sun); font-weight:800; font-size:.9rem; }

/* ---------- Gallery ---------- */
.gallery-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(220px,1fr)); gap:1rem; }
.gallery-grid figure { border-radius:var(--radius); overflow:hidden; aspect-ratio:4/3; background:var(--mist); }
.gallery-grid img { width:100%; height:100%; object-fit:cover; transition:transform .3s ease; }
.gallery-grid figure:hover img { transform:scale(1.05); }
.gallery-empty { border:2px dashed var(--mist); border-radius:var(--radius); padding:3rem; text-align:center; color:var(--muted); }

/* ---------- Reviews ---------- */
.reviews-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(280px,1fr)); gap:1.5rem; }
.review-card { background:#fff; border:1px solid var(--mist); border-radius:var(--radius); padding:1.7rem; box-shadow:var(--shadow); }
.stars { color:#E8A93B; letter-spacing:.15em; font-size:1rem; margin-bottom:.6rem; }
.review-card blockquote { font-size:.98rem; color:var(--ink); font-style:italic; }
.review-author { display:flex; align-items:center; gap:.8rem; margin-top:1.1rem; }
.review-author .avatar { width:44px; height:44px; border-radius:50%; background:var(--indigo); color:#fff;
  display:flex; align-items:center; justify-content:center; font-weight:800; overflow:hidden; flex:none; }
.review-author .avatar img { width:100%; height:100%; object-fit:cover; }
.review-author strong { display:block; font-size:.95rem; }
.review-author span { font-size:.8rem; color:var(--muted); }

/* ---------- Founders ---------- */
.founders { display:grid; grid-template-columns:1fr 1fr; gap:1.5rem; }
.founder { background:var(--indigo-deep); color:#E9EDF6; border-radius:var(--radius); padding:2rem; }
.founder h3 { color:#fff; margin-top:1rem; }
.founder .role { color:#F0B9C2; font-size:.85rem; letter-spacing:.1em; text-transform:uppercase; font-weight:700; }
.founder p { color:#C4CCDD; font-size:.95rem; margin-top:.8rem; }
.founder-flag { font-size:.78rem; font-weight:800; letter-spacing:.2em; color:#fff;
  background:rgba(255,255,255,.12); display:inline-block; padding:.25rem .8rem; border-radius:999px; }

/* ---------- CTA band ---------- */
.cta-band { background:linear-gradient(120deg, var(--indigo-deep), var(--indigo)); color:#fff;
  border-radius:calc(var(--radius) + 6px); padding:3rem; display:flex; align-items:center;
  justify-content:space-between; gap:2rem; flex-wrap:wrap; position:relative; overflow:hidden; }
.cta-band::after { content:""; position:absolute; right:-60px; top:-60px; width:220px; height:220px;
  border-radius:50%; background:var(--sun); opacity:.85; }
.cta-band h2 { color:#fff; position:relative; z-index:1; }
.cta-band p { color:#C9D2E4; position:relative; z-index:1; }
.cta-band .btn { position:relative; z-index:1; }

/* ---------- Forms ---------- */
.form-wrap { background:#fff; border:1px solid var(--mist); border-radius:var(--radius); box-shadow:var(--shadow);
  padding:2.4rem; max-width:760px; margin:0 auto; }
.form-grid { display:grid; grid-template-columns:1fr 1fr; gap:1.1rem; }
.form-grid .full { grid-column:1 / -1; }
label { display:block; font-weight:700; font-size:.86rem; margin-bottom:.35rem; }
label .req { color:var(--sun); }
input[type=text], input[type=email], input[type=tel], input[type=password], select, textarea {
  width:100%; padding:.78rem .95rem; border:1.5px solid var(--mist); border-radius:10px;
  font-family:var(--body); font-size:.95rem; background:#FCFCFA; transition:border-color .15s;
}
input:focus, select:focus, textarea:focus { border-color:var(--indigo); outline:none; }
textarea { resize:vertical; min-height:110px; }
.form-actions { margin-top:1.4rem; }
.hp-field { position:absolute; left:-9999px; opacity:0; height:0; overflow:hidden; }

.alert { padding:1rem 1.3rem; border-radius:10px; margin-bottom:1.4rem; font-weight:600; font-size:.95rem; }
.alert-success { background:#EAF6EC; color:#1E6B33; border:1px solid #BFE3C8; }
.alert-error { background:var(--sun-soft); color:var(--sun); border:1px solid #F0C3CB; }

.rating-input { display:flex; gap:.4rem; flex-direction:row-reverse; justify-content:flex-end; }
.rating-input input { display:none; }
.rating-input label { font-size:1.7rem; color:#D8D4CB; cursor:pointer; margin:0; }
.rating-input input:checked ~ label, .rating-input label:hover, .rating-input label:hover ~ label { color:#E8A93B; }

/* ---------- Page hero ---------- */
.page-hero { background:linear-gradient(120deg, var(--indigo-deep), var(--indigo)); color:#fff; padding:3.4rem 0; }
.page-hero h1 { color:#fff; font-size:clamp(1.9rem,4vw,2.7rem); }
.page-hero p { color:#C9D2E4; max-width:38rem; margin-top:.6rem; }

/* ---------- Footer ---------- */
.site-footer { background:var(--indigo-deep); color:#B9C2D6; margin-top:4rem; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1.4fr; gap:2rem; padding:3.4rem 0 2rem; }
.site-footer h4 { color:#fff; font-size:.85rem; letter-spacing:.18em; text-transform:uppercase; margin-bottom:.9rem; }
.site-footer a { display:block; padding:.22rem 0; font-size:.92rem; }
.site-footer a:hover { color:#fff; }
.footer-note { font-size:.88rem; margin-top:.8rem; color:#9AA5BD; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.12); padding:1.1rem 0; display:flex;
  justify-content:space-between; gap:1rem; font-size:.83rem; flex-wrap:wrap; }
.footer-jp { font-family:var(--display); letter-spacing:.3em; color:#7E8AA6; }

/* ---------- WhatsApp float ---------- */
.wa-float { position:fixed; bottom:22px; right:22px; z-index:80; width:56px; height:56px; border-radius:50%;
  background:#25D366; color:#fff; display:flex; align-items:center; justify-content:center;
  box-shadow:0 10px 26px rgba(37,211,102,.45); transition:transform .15s; }
.wa-float:hover { transform:scale(1.08); }

/* ---------- Reveal animation ---------- */
.reveal { opacity:0; transform:translateY(22px); transition:opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity:1; transform:none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns:1fr; padding:3rem 0 3.5rem; text-align:left; }
  .hero-art { order:-1; }
  .sun-disc { width:min(250px, 60vw); }
  .founders { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr 1fr; }
}
@media (max-width: 760px) {
  .nav-toggle { display:flex; }
  .site-header { z-index:60; }
  /* Slide-down panel anchored directly under the header bar */
  .site-nav {
    position:absolute; left:0; right:0; top:100%;
    background:var(--paper); border-top:1px solid var(--mist);
    flex-direction:column; align-items:stretch;
    gap:0; padding:.4rem 6% 1.1rem;
    box-shadow:0 20px 40px rgba(20,34,63,.14);
    opacity:0; visibility:hidden; transform:translateY(-10px); pointer-events:none;
    transition:opacity .2s ease, transform .2s ease, visibility .2s ease;
    z-index:55;
  }
  .site-nav.open { opacity:1; visibility:visible; transform:none; pointer-events:auto; }
  .site-nav a:not(.btn) {
    padding:.85rem .2rem; border-bottom:1px solid var(--mist); border-top:0;
    font-size:1rem;
  }
  .site-nav a.active, .site-nav a:not(.btn):hover { border-bottom-color:var(--mist); color:var(--sun); }
  .nav-cta { margin-top:.9rem; text-align:center; padding:.8rem; font-size:1rem; }
  /* hamburger -> X when open */
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform:translateY(7.5px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity:0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform:translateY(-7.5px) rotate(-45deg); }

  /* Tidy the announcement bar on small screens */
  .topbar { font-size:.78rem; }
  .topbar-inner { padding:.4rem 0; gap:.45rem; }
  .topbar-link { margin-left:auto; white-space:nowrap; }

  .form-grid { grid-template-columns:1fr; }
  .cta-band { padding:2.2rem; }
  .footer-grid { grid-template-columns:1fr; }
}

/* ============================================================
   Homepage enrichment + responsive refinements (v2)
   ============================================================ */

/* Hero: a touch taller + subtle washi texture + scroll cue */
.hero { background:
    radial-gradient(1200px 400px at 80% -10%, rgba(200,16,46,.06), transparent 60%),
    linear-gradient(180deg, #FBFAF7 0%, var(--sakura) 100%); }
.hero-inner { padding:5rem 0 5.5rem; }
.hero-lede { font-size:1.12rem; }
.scroll-cue { position:absolute; left:50%; bottom:18px; transform:translateX(-50%); width:26px; height:42px;
  border:2px solid rgba(37,64,110,.35); border-radius:14px; display:none; }
.scroll-cue span { position:absolute; left:50%; top:8px; width:4px; height:8px; margin-left:-2px; border-radius:2px;
  background:var(--sun); animation:scrolldot 1.5s infinite; }
@keyframes scrolldot { 0%{opacity:0;transform:translateY(0)} 40%{opacity:1} 100%{opacity:0;transform:translateY(12px)} }
@media (min-width:901px){ .scroll-cue{ display:block; } }

/* Trust strip */
.trust-strip { background:var(--indigo-deep); color:#E9EDF6; }
.trust-inner { display:flex; flex-wrap:wrap; gap:1.4rem 2.2rem; justify-content:center; padding:.9rem 0;
  font-size:.86rem; font-weight:600; letter-spacing:.01em; }
.trust-inner span { white-space:nowrap; }

/* Stats band */
.section-stats { padding:2.8rem 0; }
.stats-band { display:grid; grid-template-columns:repeat(4,1fr); gap:1rem; text-align:center; }
.stat-fig { background:#fff; border:1px solid var(--mist); border-radius:var(--radius); padding:1.5rem 1rem; box-shadow:var(--shadow); }
.stat-fig strong { font-family:var(--display); font-size:1.9rem; color:var(--indigo-deep); display:block; }
.stat-fig span { font-size:.8rem; letter-spacing:.06em; text-transform:uppercase; color:var(--muted); }

/* Features */
.features { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:1.4rem; }
.feature { background:#fff; border:1px solid var(--mist); border-radius:var(--radius); padding:1.7rem; transition:transform .2s ease, box-shadow .2s ease; }
.feature:hover { transform:translateY(-4px); box-shadow:var(--shadow); }
.feature-ico { font-size:1.9rem; display:block; margin-bottom:.7rem; }
.feature h3 { margin-bottom:.4rem; }
.feature p { font-size:.94rem; }

/* How-it-works steps */
.steps { display:grid; grid-template-columns:repeat(auto-fit,minmax(230px,1fr)); gap:1.4rem; counter-reset:step; }
.step { position:relative; background:var(--sun-soft); border-radius:var(--radius); padding:1.8rem 1.6rem 1.6rem; }
.step-no { display:inline-flex; align-items:center; justify-content:center; width:42px; height:42px; border-radius:50%;
  background:var(--sun); color:#fff; font-family:var(--display); font-size:1.25rem; margin-bottom:.8rem; box-shadow:0 6px 16px rgba(200,16,46,.3); }
.step h3 { margin-bottom:.35rem; }
.step p { font-size:.93rem; }

/* Upcoming departures */
.batch-list { display:grid; gap:1rem; }
.batch { display:flex; align-items:center; gap:1.4rem; background:#fff; border:1px solid var(--mist);
  border-radius:var(--radius); padding:1.2rem 1.5rem; box-shadow:var(--shadow); flex-wrap:wrap; }
.batch-dates { text-align:center; min-width:84px; border-right:2px solid var(--mist); padding-right:1.2rem; }
.batch-dates strong { font-family:var(--display); font-size:1.5rem; color:var(--sun); display:block; line-height:1; }
.batch-dates span { font-size:.78rem; color:var(--muted); }
.batch-body { flex:1; min-width:180px; }
.batch-body h3 { font-size:1.05rem; }
.batch-body p { font-size:.9rem; margin-top:.15rem; }
.batch-seats { display:inline-block; margin-top:.5rem; font-size:.76rem; font-weight:800; letter-spacing:.04em;
  color:var(--indigo); background:#EEF2F9; padding:.2rem .6rem; border-radius:999px; }
.batch-seats.low { color:var(--sun); background:var(--sun-soft); }

/* Homepage gallery (mosaic) */
.home-gallery { display:grid; grid-template-columns:repeat(4,1fr); grid-auto-rows:150px; gap:.8rem; }
.home-gallery figure { border-radius:var(--radius); overflow:hidden; background:var(--mist); }
.home-gallery img { width:100%; height:100%; object-fit:cover; transition:transform .4s ease; }
.home-gallery figure:hover img { transform:scale(1.06); }
.home-gallery figure.big { grid-column:span 2; grid-row:span 2; }
.gallery-cta { display:flex; align-items:center; justify-content:space-between; gap:1.5rem; flex-wrap:wrap;
  border:2px dashed var(--mist); border-radius:var(--radius); padding:2.2rem; background:#fff; }
.gallery-cta h3 { margin:.2rem 0 .3rem; }

.btn-sm { padding:.5rem 1rem; font-size:.85rem; }

/* ---------- Responsive refinements ---------- */
@media (max-width: 900px) {
  .stats-band { grid-template-columns:repeat(2,1fr); }
  .home-gallery { grid-template-columns:repeat(3,1fr); grid-auto-rows:120px; }
}
@media (max-width: 600px) {
  .section { padding:3.2rem 0; }
  .hero-inner { padding:2.4rem 0 3rem; gap:2rem; }
  .hero-lede { font-size:1.02rem; }
  .hero-meta { gap:1.4rem; margin-top:1.8rem; }
  .hero-meta div strong { font-size:1.25rem; }
  .hero-actions .btn { flex:1; text-align:center; }
  .stats-band { gap:.7rem; }
  .stat-fig { padding:1.1rem .6rem; }
  .stat-fig strong { font-size:1.45rem; }
  .home-gallery { grid-template-columns:repeat(2,1fr); grid-auto-rows:110px; }
  .home-gallery figure.big { grid-column:span 2; grid-row:span 1; }
  .trust-inner { gap:.6rem 1.4rem; font-size:.8rem; }
  .batch { gap:1rem; }
  .batch-dates { border-right:0; border-bottom:1px solid var(--mist); padding:0 0 .6rem; width:100%; text-align:left; display:flex; align-items:baseline; gap:.6rem; }
  .batch a.btn { width:100%; text-align:center; }
  .section-head { margin-bottom:1.8rem; }
  .cta-band { flex-direction:column; align-items:flex-start; gap:1.2rem; text-align:left; }
}
@media (max-width: 380px) {
  .stats-band { grid-template-columns:1fr 1fr; }
  h1 { font-size:1.9rem; }
}