/* =========================================================
   Japan Lanka LK (Pvt) Ltd – main stylesheet
   Brand colours taken from the logo: red sun + navy JL
   ========================================================= */
:root{
  --red:#d9141e;
  --red-dark:#a80e16;
  --navy:#13214f;
  --navy-2:#1d2f6b;
  --sakura:#f8c8d6;
  --sakura-soft:#fdeef3;
  --paper:#fffaf7;
  --ink:#1b1d29;
  --muted:#6b6f80;
  --sinhala:#2f8a57;          /* green Sinhala letters */
  --gold:#e3a81c;
  --radius:18px;
  --shadow:0 18px 40px -18px rgba(19,33,79,.35);
  --font-brand:"Montserrat",system-ui,sans-serif;
  --font-body:"Poppins",system-ui,sans-serif;
  --font-jp:"Noto Sans JP","Hiragino Sans",sans-serif;
  --font-jp-serif:"Noto Serif JP",serif;
  --font-si:"Noto Sans Sinhala","Iskoola Pota",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--ink);background:var(--paper);line-height:1.6;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(1180px,92%);margin-inline:auto}
.jp{font-family:var(--font-jp)}
.si{font-family:var(--font-si)}

/* ---------- falling sakura canvas ---------- */
#sakura{position:fixed;inset:0;pointer-events:none;z-index:60}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:50;background:rgba(255,250,247,.88);backdrop-filter:blur(10px);border-bottom:1px solid rgba(217,20,30,.12)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:52px;height:52px;border-radius:50%;box-shadow:0 4px 12px rgba(0,0,0,.12)}
.brand-text{font-family:var(--font-brand);font-weight:800;font-size:1.2rem;letter-spacing:.5px;line-height:1.1}
.brand-text .j{color:var(--navy)} .brand-text .l{color:var(--red)}
.brand-text small{display:block;font-size:.62rem;font-weight:600;color:var(--muted);letter-spacing:2px}
.nav ul{display:flex;gap:26px;list-style:none;font-weight:500;font-size:.95rem}
.nav ul a{position:relative;padding:4px 0}
.nav ul a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--red);transition:.3s}
.nav ul a:hover::after{width:100%}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:999px;font-weight:600;border:0;cursor:pointer;font-family:inherit;font-size:.95rem;transition:.25s}
.btn-red{background:linear-gradient(135deg,var(--red),var(--red-dark));color:#fff;box-shadow:0 10px 24px -10px var(--red)}
.btn-red:hover{transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--navy);border:2px solid var(--navy)}
.btn-ghost:hover{background:var(--navy);color:#fff}
.menu-btn{display:none;background:none;border:0;font-size:1.6rem;cursor:pointer;color:var(--navy)}

/* ---------- hero ---------- */
.hero{position:relative;padding:70px 0 120px;overflow:hidden;
  background:
   radial-gradient(circle at 85% 20%,rgba(217,20,30,.10),transparent 40%),
   linear-gradient(180deg,#eaf3ff 0%,var(--paper) 70%)}
.hero .container{display:grid;grid-template-columns:1.05fr 1fr;gap:50px;align-items:center;position:relative;z-index:2}
.eyebrow{display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--sakura);color:var(--red);padding:6px 16px;border-radius:999px;font-weight:600;font-size:.85rem}
.hero h1{font-family:var(--font-brand);font-size:clamp(2.2rem,4.6vw,3.6rem);line-height:1.1;margin:18px 0;color:var(--navy);font-weight:800}
.hero h1 .accent{color:var(--red)}
.hero h1 .jp-big{display:block;font-family:var(--font-jp-serif);font-size:.55em;color:var(--red);letter-spacing:6px;margin-bottom:6px;font-weight:700}
.hero p.lead{font-size:1.08rem;color:var(--muted);max-width:520px}
.hero-cta{display:flex;gap:14px;margin:30px 0;flex-wrap:wrap}
.stats{display:flex;gap:34px;flex-wrap:wrap}
.stats b{display:block;font-family:var(--font-brand);font-size:1.7rem;color:var(--navy)}
.stats span{font-size:.85rem;color:var(--muted)}
.hero-visual{position:relative}
.hero-visual .banner{border-radius:22px;box-shadow:var(--shadow);border:6px solid #fff;transform:rotate(1.5deg)}
.hero-visual .stamp{position:absolute;left:-28px;bottom:-34px;width:120px;height:120px;border-radius:50%;background:var(--red);color:#fff;display:grid;place-items:center;text-align:center;font-family:var(--font-jp-serif);font-weight:700;font-size:1.6rem;line-height:1.1;box-shadow:var(--shadow);transform:rotate(-10deg);border:4px double #fff}
.hero-visual .stamp small{display:block;font-family:var(--font-body);font-size:.6rem;letter-spacing:1px;font-weight:500}
.hero-fuji{position:absolute;bottom:0;left:0;width:100%;z-index:1;opacity:.95}

/* ---------- section basics ---------- */
section{padding:90px 0;position:relative}
.sec-head{text-align:center;max-width:680px;margin:0 auto 50px}
.sec-head .kanji{font-family:var(--font-jp-serif);color:var(--red);font-size:1.1rem;letter-spacing:8px;font-weight:700}
.sec-head h2{font-family:var(--font-brand);font-size:clamp(1.8rem,3.2vw,2.5rem);color:var(--navy);margin:6px 0 12px;font-weight:800}
.sec-head p{color:var(--muted)}
.divider{display:flex;align-items:center;justify-content:center;gap:12px;margin:10px auto 0;color:var(--red)}
.divider::before,.divider::after{content:"";height:2px;width:60px;background:linear-gradient(90deg,transparent,var(--red))}
.divider::after{transform:scaleX(-1)}

/* seigaiha (Japanese wave) pattern */
.seigaiha{
  background-color:var(--navy);
  background-image:
   radial-gradient(circle at 100% 150%,var(--navy) 24%,#2a3d7d 25%,#2a3d7d 28%,var(--navy) 29%,var(--navy) 36%,#2a3d7d 37%,#2a3d7d 40%,transparent 41%),
   radial-gradient(circle at 0 150%,var(--navy) 24%,#2a3d7d 25%,#2a3d7d 28%,var(--navy) 29%,var(--navy) 36%,#2a3d7d 37%,#2a3d7d 40%,transparent 41%),
   radial-gradient(circle at 50% 100%,#2a3d7d 10%,var(--navy) 11%,var(--navy) 23%,#2a3d7d 24%,#2a3d7d 30%,var(--navy) 31%,var(--navy) 43%,#2a3d7d 44%,#2a3d7d 50%,var(--navy) 51%,var(--navy) 63%,#2a3d7d 64%,#2a3d7d 71%,transparent 71%);
  background-size:60px 30px}

/* ---------- services ---------- */
.services{padding:0;margin-top:-60px;z-index:5}
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.service{background:#fff;border-radius:var(--radius);padding:28px 22px;box-shadow:var(--shadow);text-align:center;border-top:4px solid var(--red);transition:.3s}
.service:hover{transform:translateY(-6px)}
.service .ico{width:58px;height:58px;margin:0 auto 14px;border-radius:50%;background:var(--sakura-soft);display:grid;place-items:center;color:var(--red);font-size:1.6rem}
.service h3{font-size:1.05rem;color:var(--navy);margin-bottom:6px}
.service p{font-size:.88rem;color:var(--muted)}

/* ---------- about ---------- */
.about .container{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-art{position:relative;aspect-ratio:1;max-width:460px;margin:auto;width:100%}
.about-art .sun{position:absolute;inset:10%;border-radius:50%;background:radial-gradient(circle at 35% 35%,#ff4a52,var(--red) 60%,var(--red-dark))}
.about-art .logo-circle{position:absolute;inset:22%;border-radius:50%;background:#fff;padding:6px;box-shadow:var(--shadow)}
.about-art .logo-circle img{border-radius:50%}
.about-art .vert{position:absolute;right:0;top:4%;writing-mode:vertical-rl;font-family:var(--font-jp-serif);font-size:1.6rem;font-weight:700;color:var(--navy);letter-spacing:10px}
.about h2{font-family:var(--font-brand);color:var(--navy);font-size:2.2rem;line-height:1.2;margin-bottom:16px}
.about h2 span{color:var(--red)}
.check-list{list-style:none;margin:22px 0}
.check-list li{padding:8px 0 8px 36px;position:relative}
.check-list li::before{content:"✿";position:absolute;left:0;top:6px;color:var(--red);font-size:1.2rem}

/* ---------- courses ---------- */
.courses{background:var(--sakura-soft)}
.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.course{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.course-top{padding:26px;color:#fff;position:relative;min-height:130px}
.course-top .lvl{font-family:var(--font-brand);font-size:2.4rem;font-weight:800;line-height:1}
.course-top .jp{position:absolute;right:20px;top:14px;font-size:3rem;opacity:.25;font-weight:700}
.course-body{padding:22px 26px 26px;flex:1;display:flex;flex-direction:column}
.course-body h3{color:var(--navy);margin-bottom:6px}
.course-body p{font-size:.9rem;color:var(--muted);flex:1}
.course-body .meta{display:flex;gap:14px;font-size:.8rem;color:var(--navy);margin:14px 0;font-weight:600}
.c1 .course-top{background:linear-gradient(135deg,#ff6b8b,var(--red))}
.c2 .course-top{background:linear-gradient(135deg,var(--red),var(--red-dark))}
.c3 .course-top{background:linear-gradient(135deg,var(--navy-2),var(--navy))}
.c4 .course-top{background:linear-gradient(135deg,#384a8f,#13214f)}
.c5 .course-top{background:linear-gradient(135deg,#e3a81c,#c9761b)}
.c6 .course-top{background:linear-gradient(135deg,#2f8a57,#1d5e3a)}

/* ---------- alphabet ---------- */
.alphabet{background:#fff}
.alphabet::before{content:"あ";position:absolute;left:3%;top:40px;font-family:var(--font-jp-serif);font-size:14rem;color:var(--sakura-soft);line-height:1;z-index:0}
.alphabet::after{content:"ア";position:absolute;right:3%;bottom:40px;font-family:var(--font-jp-serif);font-size:14rem;color:var(--sakura-soft);line-height:1;z-index:0}
.alphabet .container{position:relative;z-index:1}
.tabs{display:flex;justify-content:center;gap:10px;margin-bottom:18px;flex-wrap:wrap}
.tab{padding:12px 26px;border-radius:999px;border:2px solid var(--navy);background:#fff;color:var(--navy);font-weight:600;cursor:pointer;font-family:inherit;font-size:1rem}
.tab .jp{margin-right:6px}
.tab.active{background:var(--navy);color:#fff}
.subtabs{display:flex;justify-content:center;gap:8px;margin-bottom:14px;flex-wrap:wrap}
.subtab{padding:8px 18px;border-radius:999px;border:1px solid var(--sakura);background:var(--sakura-soft);color:var(--red);font-weight:600;cursor:pointer;font-family:inherit;font-size:.88rem}
.subtab.active{background:var(--red);color:#fff;border-color:var(--red)}
.chart-opts{display:flex;justify-content:center;gap:20px;margin-bottom:28px;font-size:.88rem;color:var(--muted)}
.chart-opts label{display:flex;gap:6px;align-items:center;cursor:pointer}
.chart{display:grid;gap:12px;max-width:760px;margin:auto}
.chart.cols5{grid-template-columns:repeat(5,1fr)}
.chart.cols3{grid-template-columns:repeat(3,1fr);max-width:520px}
.cell{position:relative;background:#fff;border:1px solid #eee;border-radius:14px;padding:12px 6px 10px;text-align:center;cursor:pointer;transition:.2s;
  background-image:linear-gradient(to right,transparent calc(50% - .5px),#eee calc(50% - .5px),#eee calc(50% + .5px),transparent calc(50% + .5px));
  background-size:100% 64%;background-repeat:no-repeat;background-position:top 8px center}
.cell:hover{border-color:var(--red);box-shadow:0 10px 20px -12px var(--red);transform:translateY(-3px)}
.cell.empty{visibility:hidden}
.cell .k{font-family:var(--font-jp);font-size:2.3rem;line-height:1.25;color:var(--ink);font-weight:500}
.chart.cols3 .k{font-size:2rem}
.cell .r{font-size:.75rem;color:var(--muted);letter-spacing:1px;text-transform:lowercase}
.cell .s{font-family:var(--font-si);font-size:1.25rem;color:var(--sinhala);font-weight:600;line-height:1.3}
.hide-romaji .cell .r{display:none}
.hide-sinhala .cell .s{visibility:hidden}
.hint{text-align:center;color:var(--muted);font-size:.85rem;margin-top:22px}

/* character modal – looks like a stroke practice sheet */
.modal{position:fixed;inset:0;background:rgba(19,33,79,.55);display:none;place-items:center;z-index:80;padding:20px}
.modal.open{display:grid}
.modal-box{background:#fff;border-radius:24px;padding:28px;width:min(380px,100%);text-align:center;position:relative;box-shadow:0 30px 60px rgba(0,0,0,.3)}
.modal-close{position:absolute;right:14px;top:10px;background:none;border:0;font-size:1.8rem;cursor:pointer;color:var(--muted)}
.practice-grid{width:230px;height:230px;margin:6px auto 10px;position:relative;display:grid;place-items:center;border:2px solid var(--sakura);border-radius:12px;background:var(--paper)}
.practice-grid::before,.practice-grid::after{content:"";position:absolute;border:0 dashed #c9c9c9}
.practice-grid::before{left:50%;top:0;bottom:0;border-left-width:2px}
.practice-grid::after{top:50%;left:0;right:0;border-top-width:2px}
.practice-grid .big{font-family:var(--font-jp);font-size:9rem;line-height:1;position:relative;z-index:1}
.modal .m-romaji{font-size:1.3rem;color:var(--muted);letter-spacing:2px}
.modal .m-sinhala{font-family:var(--font-si);font-size:2.6rem;color:var(--sinhala);font-weight:700;line-height:1.2}
.modal .m-type{font-size:.8rem;color:var(--red);font-weight:600;letter-spacing:2px;text-transform:uppercase}
.modal-actions{display:flex;gap:10px;justify-content:center;margin-top:16px}
.modal-actions .btn{padding:10px 18px}

/* ---------- quiz ---------- */
.quiz{background:var(--paper)}
.quiz-card{max-width:560px;margin:auto;background:#fff;border-radius:24px;box-shadow:var(--shadow);padding:34px;text-align:center;border:2px solid var(--sakura)}
.quiz-q{font-family:var(--font-jp);font-size:6rem;line-height:1.2;color:var(--navy)}
.quiz-opts{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}
.quiz-opt{padding:14px;border-radius:14px;border:2px solid #eee;background:#fff;cursor:pointer;font-family:var(--font-si);font-size:1.5rem;color:var(--sinhala);font-weight:600;transition:.2s}
.quiz-opt:hover{border-color:var(--sinhala)}
.quiz-opt.right{background:#e6f5ec;border-color:var(--sinhala)}
.quiz-opt.wrong{background:#fde8ea;border-color:var(--red);color:var(--red)}
.quiz-bar{display:flex;justify-content:space-between;align-items:center;font-size:.9rem;color:var(--muted);gap:10px;flex-wrap:wrap}
.quiz-bar select{padding:6px 10px;border-radius:8px;border:1px solid #ddd;font-family:inherit}

/* ---------- culture ---------- */
.culture{color:#fff}
.culture .sec-head h2{color:#fff}
.culture .sec-head p{color:#c9d1ef}
.culture-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cult{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius);padding:26px;backdrop-filter:blur(4px);transition:.3s}
.cult:hover{background:rgba(255,255,255,.12);transform:translateY(-4px)}
.cult svg{width:64px;height:64px;margin-bottom:12px}
.cult .kj{font-family:var(--font-jp-serif);font-size:1.5rem;color:var(--sakura);font-weight:700}
.cult h3{margin:2px 0 8px}
.cult p{font-size:.9rem;color:#d5dbf3}
.phrases{margin-top:50px;background:#fff;color:var(--ink);border-radius:var(--radius);padding:30px}
.phrases h3{color:var(--navy);text-align:center;margin-bottom:18px;font-family:var(--font-brand)}
.phrase-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.phrase{border:1px solid #f0e3e8;border-radius:14px;padding:14px 16px;cursor:pointer;transition:.2s}
.phrase:hover{border-color:var(--red)}
.phrase .pj{font-family:var(--font-jp);font-size:1.25rem;font-weight:700;color:var(--navy)}
.phrase .pr{font-size:.8rem;color:var(--muted)}
.phrase .ps{font-family:var(--font-si);color:var(--sinhala);font-weight:600}
.phrase .pe{font-size:.82rem;color:var(--red)}

/* ---------- contact ---------- */
.contact .container{display:grid;grid-template-columns:1fr 1.1fr;gap:50px;align-items:start}
.info-item{display:flex;gap:14px;align-items:flex-start;margin-bottom:18px}
.info-item .ico{width:46px;height:46px;border-radius:12px;background:var(--sakura-soft);color:var(--red);display:grid;place-items:center;flex-shrink:0;font-size:1.2rem}
.info-item b{color:var(--navy);display:block}
.info-item span{color:var(--muted);font-size:.92rem}
form.card{background:#fff;padding:30px;border-radius:var(--radius);box-shadow:var(--shadow);display:grid;gap:14px}
form.card input,form.card select,form.card textarea{width:100%;padding:13px 16px;border:1px solid #e3e3ea;border-radius:12px;font-family:inherit;font-size:.95rem;background:var(--paper)}
form.card input:focus,form.card select:focus,form.card textarea:focus{outline:2px solid var(--sakura);border-color:var(--red)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-msg{display:none;background:#e6f5ec;color:var(--sinhala);padding:12px;border-radius:12px;font-weight:500;font-size:.9rem}

/* ---------- footer ---------- */
footer{color:#d5dbf3;padding:60px 0 24px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.foot .brand img{width:64px;height:64px}
.foot .brand-text .j{color:#fff}
.foot h4{color:#fff;margin-bottom:12px}
.foot ul{list-style:none;display:grid;gap:6px;font-size:.92rem}
.foot ul a:hover{color:var(--sakura)}
.tagline{margin-top:14px;font-size:.85rem;letter-spacing:2px;color:var(--sakura)}
.copy{border-top:1px solid rgba(255,255,255,.15);margin-top:40px;padding-top:18px;text-align:center;font-size:.82rem}

/* torii divider */
.torii-divider{display:flex;justify-content:center;margin-bottom:-2px}
.torii-divider svg{width:120px;height:auto}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(30px);transition:.8s ease}
.reveal.show{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:960px){
  .hero .container,.about .container,.contact .container{grid-template-columns:1fr}
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .course-grid,.culture-grid,.phrase-grid{grid-template-columns:repeat(2,1fr)}
  .foot{grid-template-columns:1fr 1fr}
  .hero-visual{max-width:620px;margin:auto}
}
@media(max-width:760px){
  .nav ul{display:none;position:absolute;top:74px;left:0;right:0;background:#fff;flex-direction:column;padding:20px 6%;gap:14px;box-shadow:0 10px 20px rgba(0,0,0,.08)}
  .nav ul.open{display:flex}
  .menu-btn{display:block}
  .nav .btn-red{display:none}
}
@media(max-width:600px){
  .service-grid,.course-grid,.culture-grid,.phrase-grid,.foot,.form-row{grid-template-columns:1fr}
  .chart{gap:6px}
  .cell{padding:8px 2px 6px;border-radius:10px}
  .cell .k{font-size:1.6rem}
  .chart.cols3 .k{font-size:1.5rem}
  .cell .s{font-size:1rem}
  .cell .r{font-size:.65rem}
  .alphabet::before,.alphabet::after{font-size:7rem}
  .quiz-q{font-size:4.5rem}
}

/* Utility classes (replace former inline styles so the CSP can forbid inline styles) */
.sec-head.sec-head-left{text-align:left;margin:0 0 20px}
.sec-head.sec-head-tight{margin:0 0 10px}
.txt-sinhala{color:var(--sinhala)}
.sec-head .kanji.txt-sakura,.txt-sakura{color:var(--sakura)}
.hint{font-weight:500;color:var(--muted);font-size:.8rem}
.brand-text small.foot-sub{color:#c9d1ef}
.foot-desc{margin-top:14px;font-size:.9rem}