/* sharkz.app: direction B ("Fin & Teeth") on the web.
   Colours, radii, borders and drops are the game's own
   (design/ui-b/tokens/tokens.json); the components copy the mockups'
   CSS (design/ui-b/final/html) at web sizes. No framework, no build step. */

@font-face{font-family:Kanit;src:url(/assets/fonts/kanit-900i.woff2) format("woff2");font-weight:900;font-style:italic;font-display:swap}
@font-face{font-family:Kanit;src:url(/assets/fonts/kanit-800i.woff2) format("woff2");font-weight:800;font-style:italic;font-display:swap}
@font-face{font-family:Kanit;src:url(/assets/fonts/kanit-700.woff2) format("woff2");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:Kanit;src:url(/assets/fonts/kanit-600.woff2) format("woff2");font-weight:600;font-style:normal;font-display:swap}

:root{
  --ink:#0B1B4D;--royal:#1747C8;--royal2:#2C66F2;--lagoon:#00B7FF;--sky:#D6F3FF;--chalk:#fff;--card:#F2FAFF;
  --surf:#5CF0FF;--volt:#FFE03D;--volt-lip:#C98700;--lime:#7EEA3A;--tang:#FF7B1C;--friend:#FF5FA8;--danger:#FF2E4D;--sand:#FFD99A;
  --wrap:1160px;--gutter:16px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--ink);color:var(--chalk);font:600 17px/1.5 Kanit,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button{font:inherit}
[hidden]{display:none!important}
section[id],h2[id]{scroll-margin-top:84px}

.wrap{width:min(100% - 2*var(--gutter),var(--wrap));margin-inline:auto}
.wrap-narrow{width:min(100% - 2*var(--gutter),780px)}

.skip{position:absolute;left:-9999px;top:12px;z-index:100;background:var(--volt);color:var(--ink);padding:8px 14px;border:3px solid var(--ink);border-radius:10px;font-weight:800}
.skip:focus{left:12px}
:focus-visible{outline:3px solid var(--volt);outline-offset:3px;border-radius:8px}

/* ---- type ------------------------------------------------------------ */
.h2{font-weight:900;font-style:italic;text-transform:uppercase;font-size:clamp(31px,5.4vw,54px);line-height:1.02;letter-spacing:.005em;color:var(--chalk);margin-bottom:28px}
.h3{font-weight:900;font-style:italic;text-transform:uppercase;font-size:23px;line-height:1.05;letter-spacing:.01em;color:var(--ink)}
/* the mockups' ink outline (.ol), in em so it grows with the text */
.ol{color:var(--chalk);text-shadow:
  .06em 0 0 var(--ink),-.06em 0 0 var(--ink),0 .06em 0 var(--ink),0 -.06em 0 var(--ink),
  .043em .043em 0 var(--ink),-.043em .043em 0 var(--ink),.043em -.043em 0 var(--ink),-.043em -.043em 0 var(--ink),
  0 .12em 0 var(--ink),.043em .11em 0 var(--ink),-.043em .11em 0 var(--ink)}

/* ---- fin buttons: the box leans, the label stands up straight -------- */
.btn{display:inline-flex;align-items:center;justify-content:center;font-weight:900;font-style:italic;text-transform:uppercase;text-decoration:none;
  color:var(--ink);border:3px solid var(--ink);border-radius:12px;transform:skewX(-9deg);white-space:nowrap;
  transition:transform .09s ease,box-shadow .09s ease}
.btn>span{display:inline-block;transform:skewX(9deg)}
.btn-volt{background:linear-gradient(180deg,#FFF59A 0%,#FFE03D 48%,#FFC300 100%);
  box-shadow:0 5px 0 var(--ink),inset 0 3px 0 rgba(255,255,255,.75),inset 0 -5px 0 rgba(201,135,0,.5)}
.btn-sm{height:40px;padding:0 16px;font-size:16px;border-radius:10px;
  box-shadow:0 4px 0 var(--ink),inset 0 2px 0 rgba(255,255,255,.75),inset 0 -3px 0 rgba(201,135,0,.5)}
.btn-lg{height:56px;padding:0 28px;font-size:22px}
.btn:hover{transform:skewX(-9deg) translateY(-2px)}
.btn:active{transform:skewX(-9deg) translateY(4px);box-shadow:0 1px 0 var(--ink),inset 0 3px 0 rgba(255,255,255,.75),inset 0 -5px 0 rgba(201,135,0,.5)}

.ibtn{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;color:#fff;cursor:pointer;padding:0;
  background:linear-gradient(180deg,#5B93FF,#2C66F2);border:3px solid #000814;box-shadow:0 4px 0 #000814,inset 0 3px 0 rgba(255,255,255,.3)}
.ibtn:active{transform:translateY(3px);box-shadow:0 1px 0 #000814,inset 0 3px 0 rgba(255,255,255,.3)}

/* ---- stickers ------------------------------------------------------- */
.sticker{display:inline-block;transform:rotate(-4deg);background:var(--volt);color:var(--ink);border:2.5px solid var(--ink);border-radius:8px;
  font-weight:900;font-style:italic;text-transform:uppercase;font-size:15px;line-height:1.25;padding:3px 11px;box-shadow:0 3px 0 var(--ink);white-space:nowrap}
.sticker-white{background:#fff}
.sticker-pink{background:var(--friend);color:#fff;text-shadow:0 1px 0 rgba(11,27,77,.35)}

/* ---- cards ---------------------------------------------------------- */
.card{position:relative;border:3px solid var(--ink);border-radius:16px;box-shadow:0 5px 0 var(--ink)}
.card-light{background:linear-gradient(180deg,#FFFFFF,#DDF1FF);color:var(--ink)}

/* ---- teeth: one white tooth, tiled (the trays' edge) ------------------ */
.teeth{position:absolute;left:0;right:0;height:10px;background-repeat:repeat-x;background-size:18px 10px;pointer-events:none;z-index:3}
.teeth-down{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='10'%3E%3Cpath d='M0 0h18L9 10z' fill='%23fff'/%3E%3C/svg%3E")}
.teeth-up{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='10'%3E%3Cpath d='M0 10h18L9 0z' fill='%23fff'/%3E%3C/svg%3E")}
.teeth-top.teeth-down{top:0}
.teeth-top.teeth-up{top:-10px}

/* ---- header: the ink tray with its teeth ------------------------------ */
.top{position:sticky;top:0;z-index:50;background:var(--ink)}
.top-in{display:flex;align-items:center;gap:20px;height:62px}
.brand{display:block;flex:none}
.brand img{width:124px}
.nav{display:none;margin-left:auto;gap:24px}
.nav a{font-weight:800;font-style:italic;text-transform:uppercase;text-decoration:none;font-size:15px;letter-spacing:.02em;color:#CFE6FF}
.nav a:hover{color:#fff}
.top-cta{margin-left:auto}
.top .teeth{top:100%}
@media (min-width:880px){.nav{display:flex}.top-cta{margin-left:8px}}

/* ---- hero: the menu's painted lagoon --------------------------------- */
.hero{position:relative;overflow:hidden;isolation:isolate;color:var(--ink)}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 78%;z-index:-2}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(70% 60% at 28% 42%,rgba(255,255,255,.42),rgba(255,255,255,0) 70%)}
.hero-in{display:grid;grid-template-columns:minmax(0,1fr);align-items:center;gap:6px;padding:44px 0 34px}
.hero-title img{width:min(100%,560px);filter:drop-shadow(0 6px 10px rgba(11,27,77,.25))}
.hero-tag{font-size:clamp(17px,2.4vw,23px);margin:14px 0 18px 4px}
.hero-lead{font-size:clamp(18px,2.1vw,22px);font-weight:700;line-height:1.38;max-width:31ch;margin-bottom:18px}
.get{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.play-badge{display:block;margin:-15px -14px}
.play-badge img{width:236px}
.qr{display:none;align-items:center;gap:14px}
.qr img{width:104px;border:3px solid var(--ink);border-radius:14px;box-shadow:0 4px 0 var(--ink);background:#fff}
.qr p{max-width:14ch;font-size:15px;line-height:1.3;font-weight:700}
.fine{font-size:14.5px;font-weight:700;margin-top:14px;color:rgba(11,27,77,.8)}
.ios-note{display:inline-block;margin-top:10px;font-size:15px;font-weight:700;background:rgba(255,255,255,.85);border:2.5px solid var(--ink);border-radius:10px;padding:4px 12px}
.hero-art{justify-self:center;margin-top:8px}
.mascot{width:min(58vw,300px);animation:bob 5.5s ease-in-out infinite;filter:drop-shadow(0 18px 18px rgba(11,27,77,.3))}
@keyframes bob{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-12px) rotate(2deg)}}
@media (hover:hover) and (pointer:fine) and (min-width:900px){.qr{display:flex}}
@media (min-width:760px){
  .hero-in{grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);min-height:min(80vh,700px);padding:56px 0 64px}
  .hero-art{margin-top:0}
  .mascot{width:min(100%,470px)}
}

/* ---- screenshots: a sideways rail ------------------------------------- */
.ink{position:relative;background:var(--ink)}
.screens{padding:60px 0 34px}
.screens .h2{margin-bottom:22px}
.rail{overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding:6px 0 22px;outline-offset:-3px}
.rail::-webkit-scrollbar{display:none}
.rail-list{display:flex;gap:18px;padding-inline:max(var(--gutter),calc((100vw - var(--wrap))/2))}
.rail-list li{flex:0 0 min(86vw,640px);scroll-snap-align:center}
.rail-list img{width:100%;border-radius:18px;border:3px solid #000814;box-shadow:0 6px 0 #000814}
.rail-ctl{display:none;justify-content:flex-end;gap:12px}
@media (hover:hover) and (pointer:fine) and (min-width:900px){.rail-ctl{display:flex}}

/* ---- how it plays + modes: B's bright water ---------------------------- */
.lagoon{position:relative;isolation:isolate;padding:76px 0 90px;
  background:radial-gradient(110% 60% at 50% -8%,rgba(255,255,255,.5),rgba(255,255,255,0) 58%),
    linear-gradient(180deg,#27D3FF 0%,#0A8FF0 52%,#0B4FC4 100%)}
/* the menu's ripple rings, fading out before the deep water below */
.lagoon::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='640' height='420' fill='none' stroke='%23DDFBFF' stroke-width='2.4'%3E%3Cellipse cx='120' cy='70' rx='58' ry='22' opacity='.16'/%3E%3Cellipse cx='420' cy='150' rx='74' ry='26' opacity='.12'/%3E%3Cellipse cx='250' cy='280' rx='66' ry='20' opacity='.14'/%3E%3Cellipse cx='560' cy='360' rx='52' ry='18' opacity='.12'/%3E%3Cellipse cx='60' cy='370' rx='40' ry='14' opacity='.1'/%3E%3C/svg%3E");
  -webkit-mask:linear-gradient(180deg,#000 55%,transparent 92%);mask:linear-gradient(180deg,#000 55%,transparent 92%)}
.verbs{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr))}
.verbs .card{padding:18px 20px 22px}
.card-ic{width:66px;height:66px;margin-bottom:10px}
.verbs p,.day p{margin-top:6px;font-size:16.5px;line-height:1.42}
.apex{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin:34px 0 0;padding:18px 22px;background:rgba(11,27,77,.92);
  border:3px solid var(--ink);border-radius:16px;box-shadow:0 5px 0 rgba(11,27,77,.5);
  font-weight:900;font-style:italic;text-transform:uppercase;font-size:clamp(18px,2.4vw,24px);line-height:1.15}
.apex strong{color:var(--volt)}
.modes-title{margin-top:64px}
.modes{display:grid;gap:22px}
.mode{display:flex;align-items:center;gap:18px;padding:22px;color:#fff}
.mode-open{background:linear-gradient(160deg,#45DCFF,#0A6FE0)}
.mode-royale{background:linear-gradient(160deg,#FFB070,#FF6A1C)}
.mode-ic{width:108px;height:108px;flex:none;filter:drop-shadow(0 5px 0 rgba(11,27,77,.55))}
.mode .h2{font-size:clamp(30px,4vw,40px);margin:10px 0 6px}
.mode p:not(.sticker){font-size:17px;line-height:1.4;color:#fff;text-shadow:0 1px 0 rgba(11,27,77,.55)}
.mode-royale p:not(.sticker){color:var(--ink);text-shadow:none}
@media (min-width:880px){.modes{grid-template-columns:1fr 1fr}}

/* phones: the cards lie down, icon beside the words, so a screen holds more than one */
@media (max-width:599px){
  .verbs .card,.day{display:grid;grid-template-columns:58px minmax(0,1fr);column-gap:14px;align-items:start;padding:14px 16px 17px}
  .verbs .card-ic{grid-row:span 2;width:54px;height:54px;margin:2px 0 0}
  .verbs .h3,.day .h3{margin-top:2px;font-size:21px}
  .verbs p,.day p{margin-top:3px;font-size:16px}
  .day .medal{grid-row:span 2;width:58px;height:58px}
  .day .medal img{width:40px;height:40px}
  .mode{align-items:flex-start;gap:14px;padding:18px 16px 20px}
  .mode-ic{width:72px;height:72px}
  .mode .h2{margin-top:8px}
  .mode p:not(.sticker){font-size:16px}
}

/* a painted wave where a light section meets the one above it */
.wave-top::before{content:"";position:absolute;left:0;right:0;top:-21px;height:22px;pointer-events:none;background-repeat:repeat-x;background-size:240px 22px}
.sky.wave-top::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='22'%3E%3Cpath d='M0 12C40 2 80 2 120 12s80 10 120 0v10H0z' fill='%23D6F3FF'/%3E%3C/svg%3E")}
.royal.wave-top::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='22'%3E%3Cpath d='M0 12C40 2 80 2 120 12s80 10 120 0v10H0z' fill='%232C66F2'/%3E%3C/svg%3E")}

/* ---- sharks: deep water so the paintings glow --------------------------- */
.deep{position:relative;overflow:hidden;padding:82px 0 90px;
  background:linear-gradient(180deg,#0B4FC4 0%,#0A3470 30%,#0A2B57 55%,#061A3A 100%)}
.deep::before{content:"";position:absolute;inset:-10% -20% auto;height:80%;pointer-events:none;opacity:.5;
  background:repeating-linear-gradient(100deg,rgba(159,232,255,0) 0 70px,rgba(159,232,255,.09) 70px 120px,rgba(159,232,255,0) 120px 210px);
  -webkit-mask:linear-gradient(180deg,transparent 12%,#000 34%,transparent);mask:linear-gradient(180deg,transparent 12%,#000 34%,transparent)}
.deep .wrap{position:relative}
.sub{max-width:44ch;font-size:clamp(18px,2vw,21px);line-height:1.4;color:#BFE2FF;margin:-12px 0 30px}
.school{display:grid;gap:16px;grid-template-columns:repeat(2,minmax(0,1fr))}
.school li{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:12px;
  padding:26px 12px 14px;border-radius:18px;background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.02));border:2px solid rgba(159,232,255,.16)}
.school img{width:100%;transform:scaleX(-1);filter:drop-shadow(0 12px 10px rgba(0,0,0,.4))}
.tag{background:#fff;color:var(--ink);border:2.5px solid var(--ink);border-radius:9px;transform:skewX(-9deg);font-weight:900;font-style:italic;
  text-transform:uppercase;font-size:14px;letter-spacing:.02em;padding:2px 12px;box-shadow:0 3px 0 #000814;white-space:nowrap}
.school .sticker{position:absolute;top:10px;left:10px;font-size:12.5px}
.school .season{grid-column:1/-1}
.school .season img{width:min(100%,420px)}
.extras{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:30px}
.extras li{display:flex;align-items:center;gap:8px;background:var(--ink);border:2px solid rgba(159,232,255,.25);border-radius:999px;padding:6px 18px 6px 8px;
  font-weight:900;font-style:italic;text-transform:uppercase;font-size:16px}
.extras img{width:38px;height:38px}
@media (min-width:760px){.school{grid-template-columns:repeat(3,minmax(0,1fr))}.school .season{grid-column:auto}.school .season img{width:100%}}

/* ---- every day: the quests screen's cards ------------------------------- */
.sky{position:relative;color:var(--ink);padding:80px 0 90px;background:linear-gradient(180deg,#D6F3FF,#B9E6FF)}
.days{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr))}
.day{padding:20px 20px 24px}
.day .h3{margin-top:12px}
.day-quests{background:linear-gradient(180deg,#FFFFFF,#E3F4FF)}
.day-chest{background:linear-gradient(180deg,#FFB070,#FF7B1C)}
.day-pass{background:linear-gradient(180deg,#FFF59A,#FFD21F)}
.day-friends{background:linear-gradient(180deg,#FF9CC9,#FF5FA8)}
.medal{width:86px;height:86px;border-radius:50%;background:#fff;border:3px solid var(--ink);display:grid;place-items:center;box-shadow:0 4px 0 var(--ink)}
.medal img{width:58px;height:58px}

/* ---- creators: the listing's painted reef ------------------------------- */
.creators{position:relative;overflow:hidden;isolation:isolate;padding:88px 0 96px;color:var(--ink)}
.creators-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.creators::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(6,26,58,.25),rgba(6,26,58,.45))}
.creators-in{display:grid;gap:34px;align-items:center}
.creators-card{padding:26px 24px 30px;background:linear-gradient(180deg,#FFB070,#FF7B1C)}
.creators-card .sticker{margin-bottom:12px}
.creators-card .h2{font-size:clamp(29px,4.2vw,44px);margin-bottom:14px}
.creators-card>p{font-size:18px;line-height:1.42;margin-bottom:16px}
.ticks{display:grid;gap:10px;margin-bottom:26px}
.ticks li{position:relative;padding-left:36px;font-size:16.5px;line-height:1.4}
.ticks li::before{content:"";position:absolute;left:0;top:1px;width:25px;height:25px;border-radius:50%;border:2.5px solid var(--ink);
  background:var(--lime) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5.5 12.5l4 4 9-9' fill='none' stroke='%230B1B4D' stroke-width='3.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/15px no-repeat}
.creators-art{position:relative;justify-self:center;width:min(100%,540px);padding:40px 0}
.creators-art img{width:100%;transform:scaleX(-1) rotate(4deg);filter:drop-shadow(0 20px 16px rgba(0,0,0,.45))}
.creators-art .sticker{position:absolute;top:6px;left:6%;font-size:clamp(15px,2vw,19px)}
.code-chip{position:absolute;bottom:4px;right:4%;background:var(--ink);color:var(--volt);font-weight:900;font-style:italic;text-transform:uppercase;
  letter-spacing:.04em;font-size:clamp(15px,2vw,18px);border-radius:999px;padding:7px 18px;border:3px solid #fff;box-shadow:0 4px 0 rgba(0,8,20,.6)}
@media (min-width:960px){.creators-in{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr)}}

/* ---- questions ---------------------------------------------------------- */
.royal{position:relative;padding:80px 0 96px;background:linear-gradient(180deg,#2C66F2,#1747C8)}
.qa{display:grid;gap:14px}
.qa details{background:linear-gradient(180deg,#FFFFFF,#E6F4FF);color:var(--ink);border:3px solid var(--ink);border-radius:16px;box-shadow:0 5px 0 var(--ink)}
.qa summary{cursor:pointer;list-style:none;position:relative;padding:17px 62px 17px 20px;font-weight:900;font-style:italic;text-transform:uppercase;font-size:19px;line-height:1.2}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"";position:absolute;right:16px;top:50%;width:30px;height:30px;margin-top:-15px;border-radius:9px;border:2.5px solid var(--ink);box-shadow:0 2px 0 var(--ink);
  background:var(--volt) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6' fill='none' stroke='%230B1B4D' stroke-width='3.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/17px no-repeat;
  transition:transform .15s ease}
.qa details[open] summary::after{transform:rotate(180deg)}
.qa details p{padding:0 20px 19px;font-size:17px;line-height:1.45}
.qa a{color:var(--royal);font-weight:700}

/* ---- footer: the bottom tray -------------------------------------------- */
.foot{padding:58px 0 44px;text-align:center}
.foot-mark{width:170px;margin:0 auto 20px}
.foot-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 26px;margin-bottom:20px}
.foot-nav a{font-weight:800;font-style:italic;text-transform:uppercase;text-decoration:none;color:#CFE6FF;font-size:15px;letter-spacing:.02em}
.foot-nav a:hover{color:#fff;text-decoration:underline}
.legal{font-size:13px;line-height:1.5;color:#8FA3C8}

/* ---- 404 ----------------------------------------------------------------- */
.lost{min-height:78vh;display:grid;place-items:center;text-align:center;padding:60px 0}
.lost .h2{margin:22px 0 12px}
.lost p{max-width:34ch;margin:0 auto 26px;color:#BFE2FF;font-size:18px}
.lost .foot-mark{width:min(70vw,340px)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .mascot{animation:none}
  .btn,.qa summary::after{transition:none}
}