/*
Theme Name: CrackTheDrive
Theme URI: https://crackthedrive.com
Author: CrackTheDrive project team
Description: Lightweight, responsive block theme for CrackTheDrive, a student placement-preparation website. Milestone I build: structure and layout only (no SEO plugins, analytics or schema).
Version: 1.0.0
Requires at least: 6.4
Tested up to: 6.8
Requires PHP: 7.4
License: GPL-2.0-or-later
Text Domain: crackthedrive
*/

:root{
  --ctd-navy:#0b1f3a; --ctd-navy-2:#12305a; --ctd-blue:#2563eb; --ctd-teal:#0d9488; --ctd-teal-l:#5eead4;
  --ctd-ink:#16202e; --ctd-muted:#516070; --ctd-bg:#f5f7fa; --ctd-card:#ffffff; --ctd-line:#dde3ea;
  --ctd-r:12px; --ctd-w:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ctd-ink);background:#fff;line-height:1.65;font-size:17px}
img,svg{max-width:100%;height:auto}
a{color:var(--ctd-blue)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--ctd-teal);outline-offset:2px}
.skip-link{position:absolute;left:-999px;top:0;background:#fff;padding:.5rem 1rem;z-index:100}
.skip-link:focus{left:8px;top:8px}
.ctd-wrap{max-width:var(--ctd-w);margin:0 auto;padding:0 20px}
h1,h2,h3,h4{line-height:1.2;color:var(--ctd-navy);margin:0 0 .6em}
h1{font-size:clamp(2rem,4.5vw,3.2rem)} h2{font-size:clamp(1.55rem,3vw,2.1rem)} h3{font-size:1.2rem}
p{margin:0 0 1em}

/* header */
.ctd-header{background:var(--ctd-navy);position:sticky;top:0;z-index:50}
.ctd-header .ctd-wrap{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:16px}
.ctd-logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:800;font-size:1.25rem;letter-spacing:-.01em}
.ctd-logo span b{color:var(--ctd-teal-l)}
.ctd-nav ul{list-style:none;display:flex;gap:4px;margin:0;padding:0}
.ctd-nav a{display:block;color:#dbe6f5;text-decoration:none;padding:8px 12px;border-radius:8px;font-size:.95rem;font-weight:500}
.ctd-nav a:hover,.ctd-nav a[aria-current="page"]{background:rgba(255,255,255,.12);color:#fff}
.ctd-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.35);color:#fff;border-radius:8px;padding:8px 12px;font:inherit;cursor:pointer}

/* buttons */
.btn{display:inline-block;padding:13px 22px;border-radius:10px;font-weight:700;text-decoration:none;border:2px solid transparent;font-size:1rem}
.btn-primary{background:var(--ctd-teal-l);color:var(--ctd-navy)} .btn-primary:hover{background:#99f6e4}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff} .btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-dark{background:var(--ctd-navy);color:#fff} .btn-dark:hover{background:var(--ctd-navy-2)}

/* hero */
.ctd-hero{background:linear-gradient(180deg,var(--ctd-navy) 0%,var(--ctd-navy-2) 100%);color:#e6eefb;padding:72px 0 80px}
.ctd-hero h1{color:#fff;max-width:16ch}
.ctd-hero .lead{font-size:1.15rem;max-width:56ch;color:#c9d8ee}
.ctd-hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}
.ctd-eyebrow{display:inline-block;color:var(--ctd-teal-l);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:.8rem;margin-bottom:12px}
.ctd-cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.ctd-code{background:#081529;border:1px solid rgba(255,255,255,.12);border-radius:var(--ctd-r);padding:18px 20px;font:14px/1.7 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#a9c1e4}
.ctd-code .k{color:#5eead4}.ctd-code .c{color:#6f87aa}.ctd-code .s{color:#fcd34d}
.page-hero{background:var(--ctd-navy);padding:48px 0}
.page-hero h1{color:#fff;margin:0 0 .3em;font-size:clamp(1.8rem,4vw,2.6rem)} .page-hero p{color:#c9d8ee;max-width:70ch;margin:0}

/* sections */
.section{padding:64px 0}.section.alt{background:var(--ctd-bg)}
.section-head{max-width:720px;margin-bottom:32px}.section-head p{color:var(--ctd-muted)}
.grid{display:grid;gap:20px}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--ctd-card);border:1px solid var(--ctd-line);border-radius:var(--ctd-r);padding:22px}
.card h3{margin-bottom:.4em}.card p{color:var(--ctd-muted);margin-bottom:.8em}
.card a.more{font-weight:600;text-decoration:none}.card a.more:hover{text-decoration:underline}
.icon{width:44px;height:44px;border-radius:10px;background:#e0f2fe;color:var(--ctd-blue);display:grid;place-items:center;font-weight:800;margin-bottom:12px}
.chip{display:inline-block;font-size:.75rem;font-weight:700;padding:3px 10px;border-radius:99px;margin-bottom:10px}
.chip.ok{background:#d1fae5;color:#065f46}.chip.soon{background:#fef3c7;color:#92400e}.chip.sample{background:#e0e7ff;color:#3730a3}
.card ul{margin:0 0 .8em;padding-left:1.2em;color:var(--ctd-muted)}

/* roadmap steps */
.steps{list-style:none;margin:0;padding:0;counter-reset:s;display:grid;gap:16px}
.steps li{counter-increment:s;position:relative;background:var(--ctd-card);border:1px solid var(--ctd-line);border-radius:var(--ctd-r);padding:20px 20px 20px 76px}
.steps li::before{content:counter(s);position:absolute;left:20px;top:20px;width:40px;height:40px;border-radius:50%;background:var(--ctd-navy);color:#fff;display:grid;place-items:center;font-weight:800}
.steps h3{margin-bottom:.25em}.steps p{margin:0 0 .5em;color:var(--ctd-muted)}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.timeline .t{padding:0 14px 0 0;position:relative}
.timeline .t::before{content:"";display:block;height:4px;background:var(--ctd-teal);margin-bottom:18px}
.timeline .t b{display:block;color:var(--ctd-navy)}.timeline .t span{color:var(--ctd-muted);font-size:.95rem}
.notice{border-left:4px solid var(--ctd-teal);background:#ecfeff;padding:14px 18px;border-radius:0 10px 10px 0;color:#134e4a;margin:0 0 24px}
.cta-band{background:var(--ctd-navy);color:#fff;text-align:center;padding:64px 0}
.cta-band h2{color:#fff}.cta-band p{color:#c9d8ee;max-width:56ch;margin:0 auto 1.4em}
details.card summary{cursor:pointer;font-weight:700;color:var(--ctd-navy);font-size:1.1rem}
details.card[open] summary{margin-bottom:12px}

/* forms */
.form label{display:block;font-weight:600;margin:0 0 4px}
.form input,.form textarea{width:100%;padding:11px 12px;border:1px solid #b7c2cf;border-radius:8px;font:inherit;margin-bottom:16px;background:#fff}
.form textarea{min-height:140px}

/* prose */
.prose{max-width:760px}.prose h2{margin-top:1.6em;font-size:1.5rem}

/* footer */
.ctd-footer{background:#081529;color:#b9c8de;padding:48px 0 24px;font-size:.95rem}
.ctd-footer h4{color:#fff;font-size:1rem;margin-bottom:.8em}
.ctd-footer a{color:#b9c8de;text-decoration:none}.ctd-footer a:hover{color:#fff;text-decoration:underline}
.ctd-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.ctd-footer .grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.ctd-footer .fine{border-top:1px solid rgba(255,255,255,.12);margin-top:32px;padding-top:18px;font-size:.85rem;color:#8ea3c0}

@media (max-width:900px){
  .g3,.g4{grid-template-columns:repeat(2,1fr)}.ctd-hero-grid{grid-template-columns:1fr}.ctd-footer .grid{grid-template-columns:1fr 1fr}
  .timeline{grid-template-columns:repeat(2,1fr);row-gap:24px}
}
@media (max-width:720px){
  body{font-size:16px}
  .ctd-toggle{display:block}
  .ctd-nav{display:none;position:absolute;left:0;right:0;top:68px;background:var(--ctd-navy);padding:8px 20px 16px;border-top:1px solid rgba(255,255,255,.12)}
  .ctd-nav.open{display:block}.ctd-nav ul{flex-direction:column}
  .g2,.g3,.g4{grid-template-columns:1fr}.section{padding:44px 0}.ctd-hero{padding:48px 0 56px}
  .steps li{padding-left:68px}.ctd-footer .grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}