/* ============================================================
   Formula Future Power Boat Club — shared stylesheet
   Palette derived from club logo & TBF2026 poster
   ============================================================ */

:root{
  --ink:      #0e1832;   /* page background — malam atas sungai */
  --navy:     #17284f;   /* panel */
  --navy-2:   #1e3260;   /* raised panel / border base */
  --line:     #2c4177;   /* hairline borders */
  --foam:     #eef3fc;   /* main text */
  --mist:     #a5b4d6;   /* muted text */
  --oren:     #f26a21;   /* logo orange — primary action */
  --oren-hot: #ff7f35;
  --biru:     #2e6fe3;   /* racing blue */
  --kuning:   #ffc53d;   /* gold — hadiah/highlight only */
  --ok:       #35c46f;
  --bad:      #ff5d5d;

  --nav-bg:       rgba(12,21,44,.88);
  --nav-bg-solid: #0d1730;
  --hero-t1:      rgba(10,18,40,.70);
  --hero-t2:      rgba(10,18,40,.82);
  --hero-t3:      var(--ink);
  --hero-base:    var(--ink);
  --num-strong:   #ffffff;
  --foot-bg:      #0a1226;
  --ph-bg:        rgba(23,40,79,.5);

  --font-display:'Anton', 'Arial Narrow', sans-serif;
  --font-body:'Barlow', 'Helvetica Neue', Arial, sans-serif;
  --font-data:'Chakra Petch', 'Courier New', monospace;

  --rad: 14px;
  --maxw: 1080px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

body{
  font-family:var(--font-body);
  font-size:1.0625rem;
  line-height:1.6;
  color:var(--foam);
  background:var(--ink);
  overflow-x:hidden;
}

img{max-width:100%;display:block}
a{color:var(--oren-hot);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:3px solid var(--kuning);outline-offset:2px;border-radius:4px}

/* ---------- typography ---------- */
h1,h2,h3{font-family:var(--font-display);font-weight:400;letter-spacing:.02em;text-transform:uppercase;line-height:1.08}
h1{font-size:clamp(2.4rem,8vw,4.6rem)}
h2{font-size:clamp(1.7rem,5vw,2.6rem)}
h3{font-size:clamp(1.15rem,3.5vw,1.45rem);letter-spacing:.04em}
p{max-width:62ch}

.eyebrow{
  font-family:var(--font-data);
  font-size:.8rem;font-weight:600;
  letter-spacing:.28em;text-transform:uppercase;
  color:var(--oren);
  display:flex;align-items:center;gap:.7rem;
  margin-bottom:.8rem;
}
.eyebrow::before{content:"";width:26px;height:3px;background:var(--oren);transform:skewX(-20deg)}

.accent{color:var(--oren)}
.accent-b{color:var(--biru)}
.accent-g{color:var(--kuning)}
.muted{color:var(--mist)}
.small{font-size:.9rem}

/* ---------- layout ---------- */
.wrap{width:min(var(--maxw),92%);margin-inline:auto}
section{padding:4.2rem 0}
.section-head{margin-bottom:2.2rem}
.grid{display:grid;gap:1.2rem}
@media(min-width:720px){
  .grid-2{grid-template-columns:1fr 1fr}
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(4,1fr)}
}
@media(min-width:480px) and (max-width:719px){
  .grid-3,.grid-4{grid-template-columns:1fr 1fr}
}

/* ---------- wave divider (from logo's wave language) ---------- */
.wave{display:block;width:100%;height:56px;color:var(--navy)}
.wave.flip{transform:scaleY(-1)}
.wave svg{display:block;width:100%;height:100%}
.on-navy{background:var(--navy)}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:var(--nav-bg);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  width:min(var(--maxw),94%);margin-inline:auto;
  display:flex;align-items:center;gap:.8rem;
  padding:.55rem 0;
}
.brand{display:flex;align-items:center;gap:.65rem;color:var(--foam);font-weight:700}
.brand:hover{text-decoration:none}
.brand img{width:44px;height:44px;border-radius:50%;box-shadow:0 0 0 2px var(--line)}
.brand .b-name{font-family:var(--font-display);font-size:1.05rem;letter-spacing:.06em;line-height:1}
.brand .b-sub{display:block;font-family:var(--font-data);font-size:.58rem;font-weight:600;letter-spacing:.32em;color:var(--oren);margin-top:.2rem}

.nav-links{display:flex;gap:.2rem;margin-left:auto;list-style:none;align-items:center}
.nav-links a{
  display:block;padding:.55rem .8rem;border-radius:8px;
  color:var(--foam);font-weight:600;font-size:.95rem;
}
.nav-links a:hover{background:var(--navy-2);text-decoration:none}
.nav-links a[aria-current="page"]:not(.nav-cta){color:var(--oren-hot)}
.nav-links .nav-cta[aria-current="page"]{
  background:var(--oren-hot);color:#160b03;
  box-shadow:0 0 0 2px rgba(255,255,255,.35) inset;
}
.nav-links .nav-cta{
  background:var(--oren);color:#160b03;margin-left:.4rem;
  clip-path:polygon(8px 0,100% 0,calc(100% - 8px) 100%,0 100%);
  border-radius:0;padding:.55rem 1.2rem;font-family:var(--font-data);font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;font-size:.85rem;
}
.nav-links .nav-cta:hover{background:var(--oren-hot)}

.nav-burger{
  margin-left:auto;display:none;
  background:none;border:1px solid var(--line);border-radius:8px;
  width:44px;height:44px;cursor:pointer;color:var(--foam);
  font-size:1.4rem;line-height:1;
}
@media(max-width:820px){
  .nav-burger{display:block}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:.15rem;
    background:var(--nav-bg-solid);border-bottom:1px solid var(--line);
    padding:.6rem 4%;margin:0;
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:.85rem .8rem;font-size:1.05rem}
  .nav-links .nav-cta{margin:.4rem 0 .3rem;text-align:center}
}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:5rem 0 4.5rem;
  background:
    linear-gradient(180deg,var(--hero-t1) 0%,var(--hero-t2) 55%,var(--hero-t3) 100%),
    var(--hero-img,none) center/cover no-repeat,
    var(--hero-base);
  /* teks hero sentiasa cerah — latar foto sentiasa gelap dalam kedua-dua tema */
  --foam:#eef3fc;
  --mist:#b9c6e2;
  color:var(--foam);
}
.hero-inner{position:relative}
.hero .lede{font-size:clamp(1.05rem,2.6vw,1.3rem);color:var(--foam);max-width:34em;margin-top:1rem}
.hero-badge{width:clamp(120px,22vw,170px);height:auto;border-radius:50%;
  box-shadow:0 0 0 3px rgba(238,243,252,.15),0 12px 40px rgba(0,0,0,.6);
  margin-bottom:1.6rem}

/* checkered strip — garis penamat */
.checker{
  height:14px;
  background:
    repeating-conic-gradient(#e8ecf5 0% 25%, #0a0f1f 0% 50%) 0 0/14px 14px;
  opacity:.9;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-block;
  font-family:var(--font-data);font-weight:700;font-size:1rem;
  letter-spacing:.05em;text-transform:uppercase;
  padding:.85rem 1.7rem;
  clip-path:polygon(10px 0,100% 0,calc(100% - 10px) 100%,0 100%);
  border:none;cursor:pointer;
  transition:transform .15s ease,background .15s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:var(--oren);color:#160b03}
.btn-primary:hover{background:var(--oren-hot)}
.btn-ghost{background:transparent;color:var(--foam);box-shadow:inset 0 0 0 2px var(--line)}
.btn-ghost:hover{box-shadow:inset 0 0 0 2px var(--biru);color:var(--foam)}
.btn-blue{background:var(--biru);color:#fff}
.btn-blue:hover{background:#3f80f0}
.btn-wa{background:#25d366;color:#06230f}
.btn-wa:hover{background:#3ae07c}
.btn-row{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:1.8rem}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}

/* ---------- cards ---------- */
.card{
  background:var(--navy);
  border:1px solid var(--line);
  border-radius:var(--rad);
  padding:1.5rem;
}
.card h3{margin-bottom:.6rem}
.card-hover{transition:transform .18s ease,border-color .18s ease}
.card-hover:hover{transform:translateY(-4px);border-color:var(--biru)}

/* ---------- race plate (signature) ----------
   kad kategori digayakan seperti papan nombor bot lumba */
.plate{
  position:relative;
  background:linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 100%);
  border:1px solid var(--line);
  border-radius:var(--rad);
  padding:1.4rem 1.4rem 1.5rem;
  overflow:hidden;
}
.plate::after{ /* semburan ombak di sudut */
  content:"";position:absolute;right:-30px;bottom:-46px;
  width:150px;height:150px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(46,111,227,.32),transparent 65%);
  pointer-events:none;
}
.plate-no{
  font-family:var(--font-display);
  font-size:2.1rem;line-height:1;
  letter-spacing:.05em;
  color:#fff;
  background:var(--oren);
  display:inline-block;
  padding:.45rem .9rem .35rem;
  transform:skewX(-8deg);
  border-radius:6px;
  box-shadow:4px 4px 0 rgba(0,0,0,.35);
  margin-bottom:1rem;
}
.plate-no.blue{background:var(--biru)}
.plate h3{color:#fff}
.plate .fee{
  font-family:var(--font-data);font-weight:700;font-size:1.15rem;color:var(--kuning);
  margin:.4rem 0 .6rem;
}
.plate ul{list-style:none;margin-top:.6rem}
.plate li{
  padding:.28rem 0 .28rem 1.4rem;position:relative;
  color:var(--mist);font-size:.95rem;line-height:1.45;
}
.plate li::before{content:"›";position:absolute;left:.3rem;color:var(--oren);font-weight:700}
.plate .quota{
  position:absolute;top:1.2rem;right:1.2rem;
  font-family:var(--font-data);font-size:.72rem;font-weight:600;
  letter-spacing:.14em;color:var(--mist);
  border:1px solid var(--line);border-radius:99px;padding:.25rem .7rem;
}

/* ---------- countdown ---------- */
.countdown{
  display:flex;gap:.7rem;flex-wrap:wrap;
}
.cd-cell{
  min-width:74px;flex:0 1 auto;text-align:center;
  background:var(--navy);
  border:1px solid var(--line);border-radius:12px;
  padding:.7rem .5rem .55rem;
  position:relative;
}
.cd-cell::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--oren);border-radius:12px 12px 0 0}
.cd-num{font-family:var(--font-data);font-weight:700;font-size:clamp(1.7rem,6vw,2.5rem);line-height:1.1;color:var(--num-strong);font-variant-numeric:tabular-nums}
.cd-lab{font-family:var(--font-data);font-size:.68rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--mist)}
.countdown.mini .cd-cell{min-width:56px;padding:.45rem .4rem .4rem}
.countdown.mini .cd-num{font-size:1.35rem}
.countdown.mini .cd-lab{font-size:.56rem}

/* ---------- tables ---------- */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--rad);background:var(--navy)}
table{width:100%;border-collapse:collapse;font-size:.97rem;min-width:460px}
th,td{padding:.75rem .95rem;text-align:left;border-bottom:1px solid var(--line)}
thead th{
  font-family:var(--font-data);font-size:.74rem;font-weight:700;
  letter-spacing:.16em;text-transform:uppercase;color:var(--oren);
  background:rgba(242,106,33,.06);
}
tbody tr:last-child td{border-bottom:none}
td.num,th.num{font-family:var(--font-data);font-variant-numeric:tabular-nums}

/* ---------- galeri ---------- */
.galeri-grid{display:grid;gap:.8rem;grid-template-columns:repeat(2,1fr)}
@media(min-width:720px){.galeri-grid{grid-template-columns:repeat(3,1fr);gap:1rem}}
.galeri-grid a{
  display:block;border-radius:10px;overflow:hidden;border:1px solid var(--line);
  aspect-ratio:4/3;background:var(--navy);
}
.galeri-grid img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
.galeri-grid a:hover img{transform:scale(1.05)}

/* lightbox */
.lightbox{
  position:fixed;inset:0;z-index:90;
  background:rgba(3,6,14,.93);
  display:none;align-items:center;justify-content:center;
  padding:4vh 4vw;
}
.lightbox.open{display:flex}
.lightbox img{max-width:100%;max-height:84vh;border-radius:8px}
.lightbox button{
  position:absolute;top:1rem;right:1rem;
  background:#1e3260;color:#eef3fc;border:1px solid #2c4177;
  width:46px;height:46px;border-radius:50%;font-size:1.3rem;cursor:pointer;
}
.lightbox .lb-nav{
  top:50%;transform:translateY(-50%);
  width:50px;height:50px;font-size:1.15rem;line-height:1;
  opacity:.88;
}
.lightbox .lb-nav:hover{opacity:1;background:#28407a}
.lightbox .lb-prev{left:.8rem;right:auto}
.lightbox .lb-next{right:.8rem}
.lightbox .lb-count{
  position:absolute;bottom:1.1rem;left:50%;transform:translateX(-50%);
  font-family:var(--font-data);font-weight:600;font-size:.85rem;letter-spacing:.12em;
  color:#eef3fc;background:rgba(20,32,64,.75);
  padding:.35rem 1rem;border-radius:99px;
}
@media(max-width:600px){
  .lightbox{padding:3vh 2vw}
  .lightbox .lb-nav{width:42px;height:42px}
  .lightbox .lb-prev{left:.4rem}
  .lightbox .lb-next{right:.4rem}
}

/* ---------- forms ---------- */
.form-grid{display:grid;gap:1.1rem}
@media(min-width:680px){.form-grid.two{grid-template-columns:1fr 1fr}}
.field label{
  display:block;font-weight:600;font-size:.92rem;margin-bottom:.35rem;color:var(--foam);
}
.field label .req{color:var(--oren)}
.field input[type=text],.field input[type=tel],.field input[type=email],
.field select,.field textarea{
  width:100%;
  background:var(--ink);
  border:1px solid var(--line);border-radius:10px;
  color:var(--foam);font:inherit;
  padding:.8rem .9rem;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--biru);box-shadow:0 0 0 3px rgba(46,111,227,.25);
}
.field .hint{font-size:.82rem;color:var(--mist);margin-top:.3rem}
.field.error input,.field.error textarea{border-color:var(--bad)}
.field .err-msg{display:none;color:var(--bad);font-size:.84rem;margin-top:.3rem}
.field.error .err-msg{display:block}

fieldset{border:1px solid var(--line);border-radius:var(--rad);padding:1.3rem;margin:0}
legend{
  font-family:var(--font-data);font-weight:700;font-size:.8rem;
  letter-spacing:.2em;text-transform:uppercase;color:var(--oren);padding:0 .6rem;
}

.check-cat{
  display:flex;align-items:flex-start;gap:.8rem;
  background:var(--ink);border:1px solid var(--line);border-radius:10px;
  padding:.85rem .95rem;cursor:pointer;transition:border-color .15s ease;
}
.check-cat:hover{border-color:var(--biru)}
.check-cat input{width:20px;height:20px;accent-color:var(--oren);margin-top:.15rem;flex:none}
.check-cat.picked{border-color:var(--oren);background:rgba(242,106,33,.07)}
.check-cat .cc-name{font-weight:700}
.check-cat .cc-fee{font-family:var(--font-data);color:var(--kuning);font-size:.9rem}

.fee-total{
  display:flex;justify-content:space-between;align-items:center;
  background:var(--navy-2);border:1px solid var(--line);border-radius:var(--rad);
  padding:1rem 1.3rem;margin-top:1rem;
}
.fee-total .amt{font-family:var(--font-data);font-weight:700;font-size:1.6rem;color:var(--kuning)}

.steps{list-style:none;counter-reset:s;display:grid;gap:.9rem}
@media(min-width:720px){.steps{grid-template-columns:repeat(4,1fr)}}
.steps li{
  counter-increment:s;
  background:var(--navy);border:1px solid var(--line);border-radius:var(--rad);
  padding:1.1rem 1.1rem 1.1rem;position:relative;font-size:.94rem;color:var(--mist);
}
.steps li strong{color:var(--foam);display:block;margin-bottom:.25rem}
.steps li::before{
  content:counter(s);
  font-family:var(--font-display);font-size:1.5rem;color:#fff;
  background:var(--biru);width:40px;height:40px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  transform:skewX(-6deg);
  margin-bottom:.7rem;
}

/* status / notice */
.notice{
  border-radius:var(--rad);padding:1.1rem 1.3rem;font-size:.97rem;
  border:1px solid;margin:1rem 0;
}
.notice.info{background:rgba(46,111,227,.1);border-color:rgba(46,111,227,.45)}
.notice.warn{background:rgba(255,197,61,.08);border-color:rgba(255,197,61,.4)}
.notice.ok{background:rgba(53,196,111,.1);border-color:rgba(53,196,111,.45)}
.notice.bad{background:rgba(255,93,93,.1);border-color:rgba(255,93,93,.45)}

.tag{
  display:inline-block;font-family:var(--font-data);font-size:.7rem;font-weight:700;
  letter-spacing:.16em;text-transform:uppercase;
  border:1px solid var(--line);border-radius:99px;padding:.28rem .8rem;color:var(--mist);
}
.tag.hot{border-color:var(--oren);color:var(--oren)}
.tag.soon{border-color:var(--kuning);color:var(--kuning)}

/* ---------- stat band ---------- */
.stat-band{display:grid;gap:1rem;grid-template-columns:repeat(2,1fr)}
@media(min-width:720px){.stat-band{grid-template-columns:repeat(4,1fr)}}
.stat{
  background:var(--navy);border:1px solid var(--line);border-radius:var(--rad);
  padding:1.1rem 1.2rem;
}
.stat .s-num{font-family:var(--font-data);font-weight:700;font-size:1.7rem;color:var(--kuning);line-height:1.2}
.stat .s-lab{font-size:.85rem;color:var(--mist)}

/* ---------- footer ---------- */
footer{
  background:var(--foot-bg);border-top:1px solid var(--line);padding:3rem 0 2rem;margin-top:0;
  /* footer kekal gelap dalam kedua-dua tema */
  --foam:#eef3fc;
  --mist:#96a7c9;
  --line:#22366a;
  color:var(--mist);
}
.foot-grid{display:grid;gap:2rem}
@media(min-width:760px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr}}
footer h3{font-size:1rem;margin-bottom:.8rem;color:var(--foam)}
footer ul{list-style:none}
footer li{margin:.4rem 0;color:var(--mist)}
footer a{color:var(--mist)}
footer a:hover{color:var(--oren-hot)}
.foot-brand{display:flex;align-items:center;gap:.8rem;margin-bottom:1rem}
.foot-brand img{width:56px;height:56px;border-radius:50%}
.foot-bottom{
  margin-top:2.2rem;padding-top:1.2rem;border-top:1px solid var(--line);
  font-size:.85rem;color:var(--mist);
  display:flex;flex-wrap:wrap;gap:.6rem;justify-content:space-between;
}

/* ---------- reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .5s ease,transform .5s ease}
.reveal.shown{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* ---------- misc ---------- */
.poster-frame{
  border:1px solid var(--line);border-radius:var(--rad);overflow:hidden;
  box-shadow:0 18px 50px rgba(0,0,0,.5);
  max-width:420px;
}
.map-embed{border:1px solid var(--line);border-radius:var(--rad);overflow:hidden}
.map-embed iframe{display:block;width:100%;height:340px;border:0}
.placeholder-box{
  border:2px dashed var(--line);border-radius:var(--rad);
  padding:2.5rem 1.5rem;text-align:center;color:var(--mist);
  background:var(--ph-bg);
}
.placeholder-box .ph-icon{font-size:2rem;display:block;margin-bottom:.5rem}
.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--oren);color:#160b03;
  padding:.7rem 1.2rem;z-index:100;font-weight:700;
}
.skip-link:focus{left:0}

/* ============================================================
   Tema terang — laman KELAB (siang di atas sungai).
   Laman event TBF2026 kekal tema gelap (malam perlumbaan),
   supaya mudah bezakan anda berada di laman mana.
   ============================================================ */
body.theme-club{
  --ink:    #eef2f9;
  --navy:   #ffffff;
  --navy-2: #e6ecf8;
  --line:   #d3dcee;
  --foam:   #16264a;
  --mist:   #5b6d94;
  --oren:   #d95510;
  --oren-hot:#b8480c;
  --biru:   #1f57c8;
  --kuning: #9c6b00;

  --nav-bg:       rgba(255,255,255,.92);
  --nav-bg-solid: #ffffff;
  --hero-t3:      #13234c;   /* hero kekal gelap, berakhir dengan jalur checker */
  --hero-base:    #13234c;
  --num-strong:   #14264f;
  --foot-bg:      #0d1b3d;
  --ph-bg:        #e9eef9;
}
body.theme-club .card,
body.theme-club .stat,
body.theme-club .table-scroll{
  box-shadow:0 2px 10px rgba(22,38,74,.06);
}
body.theme-club .brand img{box-shadow:0 0 0 2px #e5ebf7}
body.theme-club thead th{background:rgba(217,85,16,.07)}
/* hover oren menjadi lebih gelap dalam tema terang — teks bertukar putih supaya kekal jelas */
body.theme-club .btn-primary:hover,
body.theme-club .nav-links .nav-cta:hover{color:#fff}