/* ===== DMI course site — tokens taken from the printed leaflet ===== */
:root{
  --navy:#0A2A5E; --navy-deep:#05173A; --navy-soft:#123B7A;
  --gold:#FFC629; --gold-deep:#E0A400;
  --sky:#1E8FE1; --paper:#F3F6FB; --white:#fff;
  --ink:#0E1726; --muted:#5C6B80; --line:#DCE4EF;
  /* the four levels already own these colours on the leaflet */
  --l1:#6B3FA0; --l2:#DD3387; --l3:#EF7D1F; --l4:#12855A;
  --cam:#C8102E;
  --shadow:0 18px 44px -20px rgba(5,23,58,.45);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font:400 16px/1.65 "Inter","Noto Sans Tamil",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  -webkit-font-smoothing:antialiased;
}
:lang(ta),[data-lang-active="ta"] body{font-family:"Noto Sans Tamil","Inter",sans-serif}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{width:min(1120px,100% - 40px);margin-inline:auto}
@media(max-width:600px){.wrap{width:min(1120px,100% - 28px)}}

/* --- type --- */
h1,h2,h3,.eyebrow,.plate-num,.stat b{font-family:"Archivo","Inter",sans-serif}
h1{font-weight:900;font-size:clamp(2.1rem,6.4vw,4.1rem);line-height:1.02;letter-spacing:-.025em;margin:0}
h2{font-weight:800;font-size:clamp(1.5rem,3.6vw,2.35rem);line-height:1.12;letter-spacing:-.02em;margin:0 0 .5em}
h3{font-weight:800;font-size:1.16rem;line-height:1.25;margin:0}
p{margin:0 0 1em}
.lead{font-size:clamp(1rem,2.1vw,1.16rem);color:var(--muted);max-width:62ch}
.eyebrow{display:inline-block;font-weight:800;font-size:.73rem;letter-spacing:.19em;
  text-transform:uppercase;color:var(--gold)}
.eyebrow.dark{color:var(--sky)}
:lang(ta) .eyebrow{letter-spacing:.08em}

/* --- top bar --- */
.bar{background:var(--navy-deep);color:#fff;position:sticky;top:0;z-index:40;
  border-bottom:1px solid rgba(255,255,255,.1)}
.bar .wrap{display:flex;align-items:center;gap:14px;height:62px}
.mark{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:900;
  font-family:"Archivo",sans-serif;letter-spacing:.02em}
.mark span{background:var(--gold);color:var(--navy-deep);padding:5px 9px;border-radius:6px;
  font-size:.98rem;line-height:1}
.mark em{font-style:normal;font-size:.78rem;font-weight:600;color:#9FB6D6;letter-spacing:.04em}
.bar nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.bar nav a{text-decoration:none;font-size:.87rem;font-weight:600;color:#C6D6EC;padding:8px 11px;border-radius:7px}
.bar nav a:hover,.bar nav a[aria-current]{color:#fff;background:rgba(255,255,255,.1)}
.lang{display:flex;border:1px solid rgba(255,255,255,.28);border-radius:8px;overflow:hidden;margin-left:4px}
.lang button{background:none;border:0;color:#C6D6EC;font:700 .78rem/1 "Archivo",sans-serif;
  padding:8px 10px;cursor:pointer;letter-spacing:.05em}
.lang button[aria-pressed="true"]{background:var(--gold);color:var(--navy-deep)}

/* --- buttons --- */
.btn{display:inline-flex;align-items:center;gap:9px;text-decoration:none;cursor:pointer;
  font:800 .95rem/1 "Archivo",sans-serif;padding:15px 24px;border-radius:10px;border:2px solid transparent;
  transition:transform .15s ease,background .15s ease}
.btn svg{width:18px;height:18px;fill:currentColor;flex:none}
.btn-gold{background:var(--gold);color:var(--navy-deep)}
.btn-gold:hover{background:#FFD75E;transform:translateY(-2px)}
.btn-wa{background:#1FA855;color:#fff}
.btn-wa:hover{background:#178A45;transform:translateY(-2px)}
.btn-line{border-color:rgba(255,255,255,.4);color:#fff}
.btn-line:hover{background:rgba(255,255,255,.1)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-soft);transform:translateY(-2px)}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px}

/* --- hero --- */
.hero{background:var(--navy);color:#fff;position:relative;overflow:hidden;
  padding:clamp(52px,9vw,104px) 0 clamp(46px,7vw,84px)}
.hero::after{content:"";position:absolute;inset:auto -12% -60% 40%;height:120%;
  background:radial-gradient(closest-side,rgba(30,143,225,.42),transparent);pointer-events:none}
.hero .wrap{position:relative;z-index:1}
.hero h1{color:#fff;max-width:16ch}
.hero h1 b{color:var(--gold);font-weight:900}
.hero .lead{color:#BDD0EA;margin-top:20px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}

/* --- the two doors (home) --- */
.doors{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:-46px;position:relative;z-index:5}
@media(max-width:760px){.doors{grid-template-columns:1fr;margin-top:-32px}}
.door{position:relative;display:block;text-decoration:none;background:var(--white);
  border-radius:16px;padding:30px 28px 26px;box-shadow:var(--shadow);overflow:hidden;
  border-top:7px solid var(--sky);transition:transform .18s ease,box-shadow .18s ease}
.door.eng{border-top-color:var(--cam)}
.door:hover{transform:translateY(-5px);box-shadow:0 26px 56px -22px rgba(5,23,58,.5)}
.door h2{margin-bottom:6px}
.door .tag{font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--sky)}
.door.eng .tag{color:var(--cam)}
.door p{color:var(--muted);font-size:.95rem;margin:10px 0 18px}
.door ul{list-style:none;margin:0 0 20px;padding:0;display:flex;flex-wrap:wrap;gap:7px}
.door ul li{background:var(--paper);border:1px solid var(--line);border-radius:20px;
  padding:5px 12px;font-size:.8rem;font-weight:600;color:#40506A}
.door .go{display:inline-flex;align-items:center;gap:8px;font:800 .95rem/1 "Archivo",sans-serif;color:var(--navy)}
.door .go svg{width:16px;height:16px;fill:currentColor;transition:transform .18s ease}
.door:hover .go svg{transform:translateX(4px)}

/* --- sections --- */
section{padding:clamp(50px,7vw,86px) 0}
section.tight{padding:clamp(34px,5vw,58px) 0}
.sec-head{max-width:64ch;margin-bottom:38px}
.sec-head .eyebrow{color:var(--sky);margin-bottom:10px}

/* --- SIGNATURE: the ladder --- */
.ladder{display:grid;gap:16px}
.rung{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  box-shadow:0 3px 0 0 var(--line);transition:opacity .5s ease,transform .5s ease}
.js .rung{opacity:0;transform:translateY(18px)}
.rung.in{opacity:1;transform:none}
.rung[data-l="1"]{margin-inline:0 0}
@media(min-width:900px){
  .rung[data-l="2"]{margin-left:34px}
  .rung[data-l="3"]{margin-left:68px}
  .rung[data-l="4"]{margin-left:102px}
}
.rung-top{display:flex;gap:20px;align-items:flex-start;padding:22px 24px;border-left:8px solid var(--c)}
.plate-num{flex:none;width:60px;height:60px;border-radius:12px;background:var(--c);color:#fff;
  display:grid;place-items:center;font-weight:900;font-size:1.85rem;line-height:1}
.plate-num small{display:block;font-size:.5rem;letter-spacing:.16em;font-weight:800;opacity:.85;margin-top:-2px}
.rung-head{min-width:0;flex:1}
.rung-head .code{font:800 .74rem/1 "Archivo",sans-serif;letter-spacing:.16em;color:var(--c)}
.rung-head h3{margin:7px 0 6px}
.rung-head .out{font-size:.92rem;color:var(--muted);margin:0}
.rung-body{padding:0 24px 22px 24px;display:grid;grid-template-columns:1.35fr 1fr;gap:26px}
@media(max-width:760px){.rung-body{grid-template-columns:1fr;gap:18px}
 .rung-top{padding:18px 16px;gap:14px}.rung-body{padding:0 16px 20px}}
.mods{display:flex;flex-wrap:wrap;gap:7px;margin:0;padding:0;list-style:none}
.mods li{border:1px solid var(--line);background:var(--paper);border-radius:7px;padding:6px 11px;
  font-size:.82rem;font-weight:600;color:#3A4A61}
.gain{background:color-mix(in srgb,var(--c) 8%,#fff);border:1px solid color-mix(in srgb,var(--c) 22%,#fff);
  border-radius:11px;padding:15px 17px}
.gain b{display:block;font:800 .72rem/1 "Archivo",sans-serif;letter-spacing:.15em;
  text-transform:uppercase;color:var(--c);margin-bottom:8px}
.gain p{margin:0;font-size:.9rem;color:#3A4A61}
.mini-label{font:800 .72rem/1 "Archivo",sans-serif;letter-spacing:.15em;text-transform:uppercase;
  color:var(--muted);margin-bottom:9px;display:block}

/* --- benefit cards --- */
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px 22px}
.card .n{font:900 .95rem/1 "Archivo",sans-serif;color:var(--sky);letter-spacing:.04em;
  display:block;margin-bottom:12px}
.card h3{margin-bottom:8px;font-size:1.04rem}
.card p{margin:0;font-size:.92rem;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.chip{background:var(--navy);color:#fff;border-radius:22px;padding:8px 16px;
  font:700 .82rem/1 "Inter",sans-serif}

/* --- Cambridge arrow ladder --- */
.steps{display:flex;flex-direction:column-reverse;gap:8px;max-width:430px}
.step{position:relative;border-radius:9px;padding:14px 20px;color:#fff;font-weight:700;
  display:flex;justify-content:space-between;align-items:baseline;gap:12px;
  transition:opacity .45s ease,transform .45s ease}
.js .step{opacity:0;transform:translateX(-14px)}
.step.in{opacity:1;transform:none}
.step small{font-weight:600;font-size:.78rem;opacity:.85}
.step.yle{background:var(--navy)}
.step.yle.s2{background:#123B7A}.step.yle.s3{background:#1B4F96}
.step.next{background:var(--cam)}
.step.next.n2{background:#A80D26}.step.next.n3{background:#8C0A1F}
.steps-note{font-size:.86rem;color:var(--muted);margin-top:14px;max-width:40ch}

/* --- dates strip --- */
.dates{background:var(--gold);color:var(--navy-deep)}
.dates .wrap{display:grid;grid-template-columns:auto 1fr;gap:30px;align-items:center}
@media(max-width:800px){.dates .wrap{grid-template-columns:1fr;gap:18px}}
.dates h2{margin:0 0 6px}
.dates .times{font-weight:700;font-size:.95rem}
.datelist{display:flex;flex-wrap:wrap;gap:9px;margin:0;padding:0;list-style:none}
.datelist li{background:var(--navy-deep);color:#fff;border-radius:9px;padding:11px 15px;
  font:800 .93rem/1.25 "Archivo",sans-serif;text-align:center}
.datelist li small{display:block;font-weight:600;font-size:.7rem;opacity:.75;margin-top:3px}

/* --- branches --- */
.branches{background:var(--navy);color:#fff}
.branches h2{color:#fff}
.branches .lead{color:#A9C1E0}
.blist{display:grid;grid-template-columns:repeat(auto-fit,minmax(268px,1fr));gap:2px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.14);border-radius:14px;overflow:hidden}
.bitem{background:var(--navy);padding:20px 22px}
.bitem b{display:block;font:800 1rem/1 "Archivo",sans-serif;color:var(--gold);margin-bottom:7px}
.bitem span{display:block;font-size:.87rem;color:#BDD0EA;margin-bottom:9px}
.bitem a{display:inline-block;font-weight:700;font-size:.9rem;color:#fff;text-decoration:none;
  border-bottom:2px solid rgba(255,198,41,.55)}
.bitem a:hover{border-bottom-color:var(--gold)}

/* --- closing CTA --- */
.close{background:var(--navy-deep);color:#fff;text-align:center}
.close h2{color:#fff;max-width:20ch;margin-inline:auto}
.close p{color:#A9C1E0;max-width:52ch;margin-inline:auto}
.close .cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:26px}
.close .phone{display:block;font:900 clamp(1.6rem,4.5vw,2.5rem)/1 "Archivo",sans-serif;
  color:var(--gold);margin-top:26px;text-decoration:none;letter-spacing:.01em}

footer{background:#03102A;color:#8FA6C6;padding:26px 0;font-size:.85rem}
footer .wrap{display:flex;gap:14px;justify-content:space-between;flex-wrap:wrap}
footer a{color:#BDD0EA}

/* Hide the language that isn't active. Nothing is force-shown, so every element
   keeps whatever display its own rule gives it (block, flex, inline-flex...). */
[data-lang-active="ta"] [data-en],
[data-lang-active="en"] [data-ta]{display:none!important}

@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
  .js .rung,.js .step{opacity:1;transform:none}
}

@media(max-width:520px){
  .mark em{display:none}
  .bar .wrap{gap:8px}
  .bar nav{gap:2px}
  .bar nav a{padding:8px 8px;font-size:.84rem}
}

/* --- level banners (DMI's own artwork) --- */
.rung-banner{width:100%;height:auto;aspect-ratio:859/424;object-fit:cover;
  border-bottom:1px solid var(--line);background:var(--paper)}
.jump{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 26px}
.jump a{display:flex;align-items:center;gap:9px;text-decoration:none;background:#fff;
  border:1px solid var(--line);border-left:5px solid var(--c);border-radius:10px;
  padding:9px 15px 9px 12px;transition:transform .15s ease,box-shadow .15s ease}
.jump a:hover{transform:translateY(-2px);box-shadow:0 8px 20px -12px rgba(5,23,58,.5)}
.jump b{font:900 1.15rem/1 "Archivo",sans-serif;color:var(--c)}
.jump span{font:800 .78rem/1 "Archivo",sans-serif;letter-spacing:.11em;color:var(--muted)}
.rung{scroll-margin-top:78px}
@media(max-width:520px){.jump{gap:8px}.jump a{flex:1;justify-content:center;padding:9px 10px}}

/* the banner already carries the level number, so the plate is a quieter anchor here */
.rung-banner + .rung-top .plate-num{width:48px;height:48px;font-size:1.45rem}
.rung-banner + .rung-top{padding-top:18px}
.rung-banner + .rung-top .rung-head h3{margin-top:0}

/* Cambridge banners are 3:2, the computer ones are 2:1 */
.rung-banner.tall{aspect-ratio:768/512}
.after{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}
@media(max-width:820px){.after{grid-template-columns:1fr;gap:26px}}
.ket{margin:0}
.ket img{width:100%;height:auto;border:1px solid var(--line);border-radius:14px}
.ket figcaption{margin-top:11px;font-size:.88rem;color:var(--muted)}