/* ============================================================
   CSC Varapuzha — Digital Seva Kendra
   Design language: backwater teal + turmeric marigold,
   Fraunces (display) + IBM Plex Sans (body/utility)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,500&family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --teal-950:#0b2e2c;
  --teal-900:#0f3d3a;
  --teal-800:#155049;
  --teal-700:#1d6b60;
  --teal-100:#e3efe9;
  --paper:#f8f4ea;
  --paper-dim:#efe8d8;
  --ink:#132420;
  --ink-soft:#3d4d47;
  --marigold:#e0910f;
  --marigold-deep:#b8720a;
  --marigold-tint:#fbe6bf;
  --line:#d9cfb8;
  --white:#fffdf8;
  --radius:2px;
  --maxw:1120px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'IBM Plex Sans', system-ui, sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{
  font-family:'Fraunces', Georgia, serif;
  font-weight:600;
  color:var(--teal-950);
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
h1{font-size:clamp(2.1rem,4.2vw,3.4rem); line-height:1.05; font-weight:600;}
h2{font-size:clamp(1.5rem,2.6vw,2.05rem); line-height:1.15;}
h3{font-size:1.3rem;}
p{margin:0 0 1em;}
a{color:var(--teal-800); text-decoration-thickness:1.5px; text-underline-offset:3px;}
a:hover{color:var(--marigold-deep);}
img{max-width:100%; display:block;}

:focus-visible{
  outline:2.5px solid var(--marigold);
  outline-offset:2px;
}

.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  text-transform:uppercase;
  letter-spacing:.14em;
  font-size:.72rem;
  color:var(--marigold-deep);
  font-weight:500;
  display:inline-flex;
  align-items:center;
  gap:.5em;
  margin-bottom:.9em;
}
.eyebrow::before{
  content:"";
  width:22px; height:1.5px;
  background:var(--marigold-deep);
  display:inline-block;
}

.wrap{max-width:var(--maxw); margin:0 auto; padding:0 28px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(248,244,234,.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.nav-row{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 28px; max-width:var(--maxw); margin:0 auto;
}
.brand{
  display:flex; align-items:center; gap:.65em;
  font-family:'Fraunces', serif; font-weight:600; font-size:1.18rem;
  color:var(--teal-950); text-decoration:none;
}
.brand:hover{color:var(--teal-950);}
.brand-mark{
  width:34px; height:34px; border-radius:50%;
  background:var(--teal-900);
  position:relative; flex:none;
}
.brand-mark svg{position:absolute; inset:0;}
.brand-sub{
  display:block; font-family:'IBM Plex Mono',monospace; font-size:.62rem;
  letter-spacing:.1em; text-transform:uppercase; color:var(--ink-soft); font-weight:500;
}

.main-nav{display:flex; align-items:center; gap:26px;}
.main-nav a{
  font-size:.92rem; font-weight:500; color:var(--ink);
  text-decoration:none; position:relative; padding:4px 0;
}
.main-nav a::after{
  content:""; position:absolute; left:0; right:0; bottom:-2px; height:2px;
  background:var(--marigold); transform:scaleX(0); transform-origin:left;
  transition:transform .18s ease;
}
.main-nav a:hover::after, .main-nav a.active::after{transform:scaleX(1);}
.main-nav a.active{color:var(--teal-900); font-weight:600;}

.nav-cta{
  background:var(--teal-900); color:var(--white)!important;
  padding:9px 18px; border-radius:var(--radius); font-weight:600!important;
  font-size:.85rem!important;
}
.nav-cta::after{display:none;}
.nav-cta:hover{background:var(--marigold-deep); color:var(--white)!important;}

.nav-toggle{display:none; background:none; border:1px solid var(--line); padding:8px 10px; border-radius:var(--radius);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.5em;
  padding:12px 22px; border-radius:var(--radius);
  font-weight:600; font-size:.92rem; text-decoration:none;
  border:1.5px solid transparent; cursor:pointer;
}
.btn-primary{background:var(--marigold); color:var(--teal-950); border-color:var(--marigold);}
.btn-primary:hover{background:var(--marigold-deep); color:var(--white);}
.btn-outline{background:transparent; color:var(--white); border-color:rgba(255,255,255,.55);}
.btn-outline:hover{border-color:var(--marigold); color:var(--marigold-tint);}
.btn-dark{background:var(--teal-950); color:var(--white); border-color:var(--teal-950);}
.btn-dark:hover{background:var(--marigold-deep); border-color:var(--marigold-deep);}

/* ---------- Hero (home) ---------- */
.hero{
  background:
    radial-gradient(1100px 480px at 82% -10%, rgba(224,145,15,.18), transparent 60%),
    linear-gradient(180deg,var(--teal-950),var(--teal-900) 62%, var(--teal-800));
  color:var(--white);
  position:relative;
  overflow:hidden;
  padding:76px 0 90px;
}
.hero .wrap{position:relative; z-index:2;}
.hero-grid{display:grid; grid-template-columns:1.15fr .85fr; gap:48px; align-items:end;}
.hero h1{color:var(--white); max-width:14ch;}
.hero-lede{color:rgba(255,253,248,.82); font-size:1.12rem; max-width:46ch; margin-bottom:1.8em;}
.hero-actions{display:flex; gap:14px; flex-wrap:wrap;}
.hero-wave{position:absolute; left:0; right:0; bottom:-1px; height:80px; z-index:1;}

.hero-stats{
  display:grid; grid-template-columns:repeat(3,1fr); gap:0;
  border-top:1px solid rgba(255,253,248,.18);
  margin-top:56px; padding-top:28px;
}
.hero-stats div{padding-right:20px; border-right:1px solid rgba(255,253,248,.18);}
.hero-stats div:last-child{border-right:none;}
.stat-num{font-family:'Fraunces',serif; font-size:2.1rem; color:var(--marigold-tint); font-weight:600; display:block;}
.stat-label{font-size:.82rem; color:rgba(255,253,248,.75);}

.route-card{
  background:rgba(255,253,248,.06);
  border:1px solid rgba(255,253,248,.22);
  border-radius:var(--radius);
  padding:26px;
}
.route-card h3{color:var(--white); font-size:1.05rem; margin-bottom:.9em;}
.route-list{list-style:none; margin:0 0 1.2em; padding:0;}
.route-list li{
  display:flex; justify-content:space-between; gap:10px;
  padding:9px 0; border-bottom:1px dashed rgba(255,253,248,.2);
  font-size:.9rem; color:rgba(255,253,248,.85);
}
.route-list li span.tag{
  font-family:'IBM Plex Mono',monospace; font-size:.72rem; color:var(--marigold-tint);
}

/* ---------- Sections ---------- */
section{padding:74px 0;}
.section-head{max-width:640px; margin-bottom:44px;}
.section-tight .section-head{margin-bottom:30px;}
.band-teal{background:var(--teal-950); color:var(--white);}
.band-teal h2, .band-teal h3{color:var(--white);}
.band-teal .eyebrow{color:var(--marigold-tint);}
.band-teal .eyebrow::before{background:var(--marigold-tint);}
.band-cream{background:var(--paper-dim);}
.band-white{background:var(--white); border-top:1px solid var(--line); border-bottom:1px solid var(--line);}

/* ---------- Grids / Cards ---------- */
.grid{display:grid; gap:22px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

.card{
  background:var(--white);
  border:1px solid var(--line);
  padding:26px 24px;
  border-radius:var(--radius);
  transition:transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}
.card:hover{transform:translateY(-3px); border-color:var(--teal-700); box-shadow:0 10px 24px -14px rgba(15,61,58,.35);}

.cat-card{
  display:block; text-decoration:none; color:inherit;
  background:var(--white); border:1px solid var(--line);
  padding:24px; border-radius:var(--radius); position:relative;
}
.cat-card:hover{border-color:var(--marigold); box-shadow:0 12px 26px -16px rgba(15,61,58,.4); transform:translateY(-3px);}
.cat-card .num{
  font-family:'IBM Plex Mono',monospace; color:var(--marigold-deep); font-size:.78rem;
  display:block; margin-bottom:10px;
}
.cat-card h3{font-size:1.12rem; margin-bottom:.4em; color:var(--teal-950);}
.cat-card p{font-size:.9rem; color:var(--ink-soft); margin-bottom:0;}
.cat-card .go{
  position:absolute; top:22px; right:22px; color:var(--marigold-deep);
  font-size:1.2rem; opacity:0; transition:opacity .15s, transform .15s; transform:translateX(-4px);
}
.cat-card:hover .go{opacity:1; transform:translateX(0);}

/* ---------- Service detail blocks ---------- */
.svc-hero{
  background:linear-gradient(180deg,var(--teal-900),var(--teal-950));
  color:var(--white); padding:56px 0 46px;
}
.svc-hero .eyebrow{color:var(--marigold-tint);}
.svc-hero h1{color:var(--white); max-width:22ch; font-size:clamp(1.9rem,3.4vw,2.6rem);}
.breadcrumb{font-size:.82rem; color:rgba(255,253,248,.7); margin-bottom:18px;}
.breadcrumb a{color:rgba(255,253,248,.85);}

.subservice{
  border:1px solid var(--line); background:var(--white);
  border-radius:var(--radius); padding:26px 26px 22px; margin-bottom:22px;
}
.subservice h3{
  display:flex; align-items:baseline; gap:.6em; font-size:1.18rem;
}
.subservice .sn{font-family:'IBM Plex Mono',monospace; color:var(--marigold-deep); font-size:.85rem; font-weight:500;}
.subservice .desc{color:var(--ink-soft);}
.tag-row{display:flex; flex-wrap:wrap; gap:8px; margin-top:14px;}
.pill{
  background:var(--teal-100); color:var(--teal-900);
  font-size:.78rem; font-weight:500; padding:5px 12px; border-radius:20px;
}
.pill.marigold{background:var(--marigold-tint); color:var(--marigold-deep);}
.svc-list{margin:10px 0 0; padding-left:1.15em;}
.svc-list li{margin-bottom:4px; color:var(--ink-soft);}
.meta-line{
  font-size:.85rem; color:var(--teal-800); font-weight:600; margin-top:14px;
}
.link-line a{font-size:.88rem;}

.two-col{display:grid; grid-template-columns:1fr 1fr; gap:22px;}

/* ---------- Footer ---------- */
footer{background:var(--teal-950); color:rgba(255,253,248,.82); padding:52px 0 26px;}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:32px; margin-bottom:36px;}
footer h4{color:var(--white); font-family:'IBM Plex Sans',sans-serif; font-size:.85rem; text-transform:uppercase; letter-spacing:.08em; margin-bottom:14px;}
.footer-grid ul{list-style:none; margin:0; padding:0;}
.footer-grid li{margin-bottom:8px; font-size:.9rem;}
.footer-grid a{color:rgba(255,253,248,.8); text-decoration:none;}
.footer-grid a:hover{color:var(--marigold-tint);}
.footer-brand p{color:rgba(255,253,248,.68); font-size:.9rem; max-width:38ch;}
.footer-bottom{
  border-top:1px solid rgba(255,253,248,.16); padding-top:20px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  font-size:.8rem; color:rgba(255,253,248,.6);
}

/* ---------- Contact ---------- */
.contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:40px;}
.info-list{list-style:none; margin:0; padding:0;}
.info-list li{
  display:flex; gap:14px; padding:16px 0; border-bottom:1px solid var(--line);
}
.info-list .k{font-family:'IBM Plex Mono',monospace; font-size:.75rem; color:var(--marigold-deep); min-width:110px; text-transform:uppercase; letter-spacing:.06em; padding-top:2px;}
.form-field{margin-bottom:16px;}
.form-field label{display:block; font-size:.85rem; font-weight:600; margin-bottom:6px; color:var(--teal-950);}
.form-field input, .form-field textarea{
  width:100%; padding:11px 13px; border:1.5px solid var(--line); border-radius:var(--radius);
  font-family:inherit; font-size:.95rem; background:var(--white); color:var(--ink);
}
.form-field input:focus, .form-field textarea:focus{border-color:var(--teal-700); outline:none;}
.map-embed{border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; margin-top:24px;}
.map-embed iframe{width:100%; height:280px; border:0; display:block;}

/* ---------- Misc ---------- */
.divider-wave{height:46px; width:100%; display:block;}
.index-toc{columns:2; column-gap:36px;}
.index-toc a{display:block; padding:6px 0; font-size:.92rem; border-bottom:1px dotted var(--line); text-decoration:none; color:var(--ink);}
.index-toc a:hover{color:var(--marigold-deep);}
.index-toc .no{font-family:'IBM Plex Mono',monospace; color:var(--marigold-deep); margin-right:.5em; font-size:.78rem;}

.about-flag{display:flex; gap:6px; margin-bottom:1.4em;}
.about-flag span{width:34px; height:6px; border-radius:3px;}

.timeline{border-left:2px solid var(--line); padding-left:26px; margin-left:6px;}
.timeline .t-item{position:relative; padding-bottom:30px;}
.timeline .t-item::before{
  content:""; position:absolute; left:-32px; top:3px; width:11px; height:11px; border-radius:50%;
  background:var(--marigold); border:2px solid var(--paper);
}
.timeline h4{margin-bottom:.25em;}

/* ---------- Responsive ---------- */
@media (max-width:920px){
  .hero-grid{grid-template-columns:1fr;}
  .grid-3, .grid-4{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .two-col{grid-template-columns:1fr;}
}
@media (max-width:720px){
  .main-nav{
    position:fixed; inset:64px 0 0 0; background:var(--paper);
    flex-direction:column; align-items:flex-start; padding:24px 28px; gap:18px;
    transform:translateX(100%); transition:transform .22s ease; overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0);}
  .nav-toggle{display:block;}
  .grid-3, .grid-4, .grid-2{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:1fr; gap:14px;}
  .hero-stats div{border-right:none; border-bottom:1px solid rgba(255,253,248,.18); padding-bottom:14px;}
  .index-toc{columns:1;}
  .footer-grid{grid-template-columns:1fr;}
}

.script-nav{
  position:fixed; bottom:0; left:0; right:0;
}