/* ==========================================================================
   SkillKerala.online — Design System
   Palette  : Backwater teal / Sunlit gold / Terracotta clay / Coconut cream
   Type     : Fraunces (display) + Work Sans (body) + IBM Plex Mono (utility)
   Signature: Backwater ripple dividers + Kerala-motif AI icon badges
   ========================================================================== */

:root{
  /* --- color tokens --- */
  --ink:        #142621;
  --ink-soft:   #3B4E48;
  --cream:      #FBF7ED;
  --cream-deep: #F3ECDA;
  --sage:       #E3ECE1;
  --teal:       #0F6B5C;
  --teal-deep:  #0A4B41;
  --teal-glow:  rgba(15,107,92,0.18);
  --gold:       #E3A93B;
  --gold-soft:  #F1CE84;
  --clay:       #C1502E;
  --clay-soft:  #E8C3B4;
  --line:       rgba(20,38,33,0.12);
  --white:      #FFFFFF;

  /* --- type tokens --- */
  --f-display: "Fraunces", "Georgia", serif;
  --f-body:    "Work Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --f-mono:    "IBM Plex Mono", monospace;

  /* --- layout tokens --- */
  --maxw: 1180px;
  --radius-s: 10px;
  --radius-m: 18px;
  --radius-l: 28px;
  --shadow-1: 0 2px 10px rgba(20,38,33,0.06);
  --shadow-2: 0 18px 44px rgba(20,38,33,0.12);
  --ease: cubic-bezier(.22,1,.36,1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--f-body);
  color:var(--ink);
  background:var(--cream);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{font-family:var(--f-display);margin:0;line-height:1.08;font-weight:600;}
p{margin:0;line-height:1.65;}
.eyebrow{
  font-family:var(--f-mono);
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--teal);
  display:inline-flex;
  align-items:center;
  gap:9px;
}
.eyebrow::before{
  content:"";
  width:22px;height:1.5px;
  background:var(--clay);
  display:inline-block;
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;}
:focus-visible{outline:2.5px solid var(--teal);outline-offset:3px;border-radius:4px;}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* ---------------- texture / background ---------------- */
.grain{
  position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.035;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------------- header / nav ---------------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(251,247,237,0.86);
  backdrop-filter:blur(14px) saturate(1.3);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 28px;max-width:var(--maxw);margin:0 auto;}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--f-display);font-weight:600;font-size:20px;color:var(--ink);}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--clay);box-shadow:0 0 0 4px var(--clay-soft);}
.brand small{display:block;font-family:var(--f-mono);font-size:10px;letter-spacing:.12em;color:var(--teal);font-weight:500;text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links a{font-size:14.5px;font-weight:500;color:var(--ink-soft);position:relative;padding:4px 0;}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--clay);transition:width .3s var(--ease);}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{width:100%;}
.nav-cta{
  background:var(--teal);color:var(--white);padding:10px 20px;border-radius:999px;
  font-size:14px;font-weight:600;box-shadow:var(--shadow-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);background:var(--teal-deep);}
.nav-toggle{display:none;}

/* ---------------- hero ---------------- */
.hero{
  position:relative;padding:96px 0 40px;overflow:hidden;
}
.hero-blob{
  position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;z-index:0;
  animation:float 14s ease-in-out infinite;
}
.hero-blob.b1{width:420px;height:420px;background:radial-gradient(circle,var(--gold-soft),transparent 70%);top:-140px;right:-80px;}
.hero-blob.b2{width:360px;height:360px;background:radial-gradient(circle,var(--teal-glow),transparent 70%);bottom:-160px;left:-100px;animation-delay:-6s;}
@keyframes float{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(18px,-22px) scale(1.05);}}

.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.hero h1{font-size:clamp(38px,5.4vw,64px);letter-spacing:-.01em;color:var(--ink);}
.hero h1 .accent{color:var(--teal);font-style:italic;}
.hero-sub{margin-top:22px;font-size:18px;color:var(--ink-soft);max-width:52ch;}
.hero-actions{margin-top:34px;display:flex;gap:16px;flex-wrap:wrap;}
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:999px;
  font-weight:600;font-size:15px;transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.btn-primary{background:var(--clay);color:var(--white);box-shadow:0 10px 26px rgba(193,80,46,.30);}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(193,80,46,.38);}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line);}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal);transform:translateY(-3px);}

.hero-stats{display:flex;gap:30px;margin-top:46px;flex-wrap:wrap;}
.hero-stats div{font-family:var(--f-mono);}
.hero-stats strong{display:block;font-family:var(--f-display);font-size:26px;color:var(--teal-deep);}
.hero-stats span{font-size:11.5px;letter-spacing:.06em;color:var(--ink-soft);text-transform:uppercase;}

/* hero visual: layered "backwater" card stack */
.hero-visual{position:relative;height:420px;}
.hv-card{
  position:absolute;border-radius:var(--radius-l);box-shadow:var(--shadow-2);
  background:linear-gradient(155deg,var(--white),var(--sage));
  border:1px solid var(--line);padding:22px;
}
.hv-card.hv1{width:78%;height:78%;top:0;right:0;background:linear-gradient(155deg,var(--teal),var(--teal-deep));color:var(--white);z-index:2;animation:drift 9s ease-in-out infinite;}
.hv-card.hv2{width:62%;height:56%;bottom:0;left:0;z-index:1;animation:drift 11s ease-in-out infinite reverse;}
@keyframes drift{0%,100%{transform:translateY(0) rotate(0deg);}50%{transform:translateY(-10px) rotate(-1deg);}}
.hv1 .hv-tag{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;opacity:.85;}
.hv1 h3{font-size:24px;margin-top:70px;}
.hv1 .hv-wave{position:absolute;bottom:0;left:0;width:100%;height:70px;opacity:.5;}
.hv2 .hv-tag{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;color:var(--teal);text-transform:uppercase;}
.hv2 h4{margin-top:14px;font-size:18px;}
.hv2 p{margin-top:8px;font-size:13.5px;color:var(--ink-soft);}

/* ---------------- ripple divider (signature) ---------------- */
.ripple-divider{display:block;width:100%;height:64px;margin-top:-2px;}
.ripple-divider path{fill:var(--cream-deep);}
.ripple-divider.flip path{fill:var(--cream);}

/* ---------------- section basics ---------------- */
section{position:relative;padding:88px 0;}
.section-head{max-width:640px;margin-bottom:52px;}
.section-head h2{font-size:clamp(28px,3.6vw,42px);margin-top:16px;}
.section-head p{margin-top:16px;font-size:16.5px;color:var(--ink-soft);}
.bg-deep{background:var(--cream-deep);}

/* ---------------- domain grid ---------------- */
.domain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.domain-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:26px;position:relative;overflow:hidden;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease),opacity .6s var(--ease);
}
.js .domain-card{opacity:0;transform:translateY(24px);}
.domain-card.in{opacity:1;transform:translateY(0);}
.domain-card::before{
  content:"";position:absolute;inset:0;background:linear-gradient(160deg,var(--sage),transparent 55%);
  opacity:0;transition:opacity .35s var(--ease);
}
.domain-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-2);border-color:var(--teal);}
.domain-card:hover::before{opacity:1;}
.domain-card .badge{display:inline-block;width:54px;height:54px;margin-bottom:18px;position:relative;z-index:1;}
.badge svg,.page-badge svg{display:block;width:100%;height:100%;}
.domain-card .num{
  position:absolute;top:22px;right:24px;font-family:var(--f-mono);font-size:12px;color:var(--line);z-index:1;
}
.domain-card h3{font-size:19px;position:relative;z-index:1;}
.domain-card p{margin-top:10px;font-size:14px;color:var(--ink-soft);position:relative;z-index:1;}
.domain-card .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px;position:relative;z-index:1;}
.domain-card .tags span{font-family:var(--f-mono);font-size:10.5px;padding:4px 9px;border-radius:6px;background:var(--sage);color:var(--teal-deep);}
.domain-card .go{
  margin-top:18px;display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--clay);
  position:relative;z-index:1;
}
.domain-card .go svg{transition:transform .3s var(--ease);}
.domain-card:hover .go svg{transform:translateX(5px);}

/* ---------------- why / features ---------------- */
.feature-row{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.feature{padding:30px 26px;border-radius:var(--radius-m);background:var(--white);border:1px solid var(--line);}
.feature .fi{width:44px;height:44px;border-radius:12px;background:var(--sage);display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.feature h4{font-size:17px;margin-bottom:8px;}
.feature p{font-size:14px;color:var(--ink-soft);}

/* ---------------- process / timeline ---------------- */
.timeline{position:relative;padding-left:2px;}
.timeline::before{content:"";position:absolute;left:19px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--teal),var(--gold));opacity:.4;}
.t-item{position:relative;padding:0 0 42px 56px;}
.t-item:last-child{padding-bottom:0;}
.t-item .dot{position:absolute;left:10px;top:2px;width:20px;height:20px;border-radius:50%;background:var(--cream);border:2.5px solid var(--teal);}
.t-item h4{font-size:17px;}
.t-item p{margin-top:6px;font-size:14.5px;color:var(--ink-soft);max-width:56ch;}
.t-item .tk{font-family:var(--f-mono);font-size:11px;color:var(--clay);letter-spacing:.06em;text-transform:uppercase;}

/* ---------------- stats strip ---------------- */
.stats-strip{
  background:var(--ink);color:var(--cream);border-radius:var(--radius-l);
  padding:52px 44px;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;
}
.stats-strip strong{display:block;font-family:var(--f-display);font-size:36px;color:var(--gold-soft);}
.stats-strip span{font-size:13px;color:rgba(251,247,237,.7);}

/* ---------------- testimonials ---------------- */
.quote-row{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.quote{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-m);padding:26px;}
.quote p{font-size:15px;color:var(--ink-soft);}
.quote .who{margin-top:16px;display:flex;align-items:center;gap:10px;}
.quote .av{width:36px;height:36px;border-radius:50%;background:linear-gradient(140deg,var(--teal),var(--gold));}
.quote .who strong{font-size:13.5px;display:block;}
.quote .who span{font-size:11.5px;color:var(--ink-soft);font-family:var(--f-mono);}

/* ---------------- CTA band ---------------- */
.cta-band{
  background:linear-gradient(135deg,var(--teal) 0%,var(--teal-deep) 100%);
  border-radius:var(--radius-l);padding:64px 52px;color:var(--white);position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(227,169,59,.35),transparent 70%);
}
.cta-band h2{font-size:clamp(26px,3vw,36px);max-width:16ch;position:relative;z-index:1;}
.cta-band .btn-primary{background:var(--gold);color:var(--ink);position:relative;z-index:1;box-shadow:0 10px 26px rgba(227,169,59,.35);}
.cta-band .btn-primary:hover{box-shadow:0 16px 32px rgba(227,169,59,.42);}

/* ---------------- footer ---------------- */
footer{background:var(--ink);color:rgba(251,247,237,.78);padding:64px 0 26px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(251,247,237,.12);}
.foot-brand{font-family:var(--f-display);font-size:22px;color:var(--cream);}
.foot-grid p{margin-top:14px;font-size:14px;max-width:34ch;color:rgba(251,247,237,.6);}
.foot-col h5{font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--gold-soft);margin-bottom:16px;}
.foot-col li{margin-bottom:10px;font-size:14px;}
.foot-col a:hover{color:var(--cream);}
.foot-bottom{display:flex;justify-content:space-between;padding-top:24px;font-size:12.5px;color:rgba(251,247,237,.45);flex-wrap:wrap;gap:10px;}

/* ---------------- inner page layout (domain pages) ---------------- */
.page-hero{padding:64px 0 56px;position:relative;overflow:hidden;}
.breadcrumb{font-family:var(--f-mono);font-size:12.5px;color:var(--ink-soft);margin-bottom:22px;}
.breadcrumb a{color:var(--teal);}
.page-hero-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:50px;align-items:center;}
.page-badge{display:inline-block;width:76px;height:76px;margin-bottom:22px;}
.page-hero h1{font-size:clamp(32px,4.6vw,50px);}
.page-hero .lede{margin-top:18px;font-size:17.5px;color:var(--ink-soft);max-width:58ch;}
.page-hero-figure{
  border-radius:var(--radius-l);background:linear-gradient(155deg,var(--teal),var(--teal-deep));
  aspect-ratio:1/1;position:relative;overflow:hidden;box-shadow:var(--shadow-2);
}
.page-hero-figure svg{position:absolute;inset:0;width:100%;height:100%;}

.two-col{display:grid;grid-template-columns:2fr 1fr;gap:48px;}
.prose h2{font-size:26px;margin-bottom:14px;}
.prose h3{font-size:19px;margin:28px 0 10px;}
.prose p{font-size:15.5px;color:var(--ink-soft);margin-bottom:14px;}
.prose ul{margin:14px 0 22px;}
.prose ul li{font-size:15px;color:var(--ink-soft);padding-left:26px;position:relative;margin-bottom:10px;}
.prose ul li::before{content:"";position:absolute;left:0;top:8px;width:9px;height:9px;border-radius:2px;background:var(--clay);transform:rotate(45deg);}

.sidebar-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-m);padding:24px;margin-bottom:20px;}
.sidebar-card h5{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--teal);margin-bottom:14px;}
.sidebar-card .skill{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:13.5px;}
.meter{width:100%;height:6px;background:var(--sage);border-radius:6px;overflow:hidden;margin-top:6px;}
.meter i{display:block;height:100%;background:linear-gradient(90deg,var(--teal),var(--gold));border-radius:6px;}
.sidebar-card .tool-chip{display:inline-block;font-family:var(--f-mono);font-size:11px;background:var(--sage);color:var(--teal-deep);padding:5px 10px;border-radius:6px;margin:0 6px 6px 0;}

.career-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px;}
.career-card{background:var(--cream-deep);border-radius:var(--radius-m);padding:22px;border:1px solid var(--line);}
.career-card .role{font-family:var(--f-display);font-size:18px;margin-bottom:6px;}
.career-card .pay{font-family:var(--f-mono);font-size:12px;color:var(--clay);margin-bottom:10px;}
.career-card p{font-size:13.5px;color:var(--ink-soft);}

.related-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}

/* ---------------- reveal-on-scroll ---------------- */
.reveal{transition:opacity .7s var(--ease),transform .7s var(--ease);}
.js .reveal{opacity:0;transform:translateY(26px);}
.reveal.in{opacity:1;transform:translateY(0);}

/* ---------------- responsive ---------------- */
@media (max-width:1000px){
  .domain-grid{grid-template-columns:repeat(2,1fr);}
  .feature-row{grid-template-columns:1fr 1fr;}
  .quote-row{grid-template-columns:1fr;}
  .stats-strip{grid-template-columns:1fr 1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .hero-inner{grid-template-columns:1fr;}
  .hero-visual{height:320px;margin-top:20px;}
  .page-hero-grid{grid-template-columns:1fr;}
  .two-col{grid-template-columns:1fr;}
  .career-grid{grid-template-columns:1fr 1fr;}
  .related-row{grid-template-columns:1fr;}
}
@media (max-width:680px){
  .nav-links{position:fixed;inset:64px 16px auto 16px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-m);
    flex-direction:column;align-items:flex-start;padding:20px;gap:16px;box-shadow:var(--shadow-2);
    transform:translateY(-14px);opacity:0;pointer-events:none;transition:all .3s var(--ease);}
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .nav-toggle{display:block;background:none;border:none;cursor:pointer;padding:6px;}
  .nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;transition:.3s;}
  .domain-grid{grid-template-columns:1fr;}
  .feature-row{grid-template-columns:1fr;}
  .stats-strip{grid-template-columns:1fr 1fr;padding:34px 24px;}
  .foot-grid{grid-template-columns:1fr;}
  .career-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;text-align:center;padding:44px 26px;}
}