/* ============================================
   NIOS TINSUKIA EDUCATION — STYLESHEET
   Design: "The Open Path" — a stepped route
   from enrolment to certification, echoed
   through the whole site's structure.
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@500;600;700;800&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root{
  /* --- Color tokens --- */
  --ink:        #1B2A4A;   /* deep indigo — nav, footer, headline text */
  --ink-soft:   #384A72;
  --coral:      #FF6B4A;   /* primary accent — CTAs, 10th course */
  --coral-dark: #E5502F;
  --teal:       #16A98A;   /* secondary accent — 12th course, success */
  --teal-dark:  #0E8A70;
  --marigold:   #FFB627;   /* tertiary accent — highlights, badges */
  --bg:         #F5F6FB;   /* page background, faint lavender */
  --paper:      #FFFFFF;
  --text:       #212842;
  --text-soft:  #5C6280;
  --line:       #E3E5F1;

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;

  --shadow-sm: 0 2px 10px rgba(27,42,74,0.06);
  --shadow-md: 0 12px 32px rgba(27,42,74,0.10);
  --shadow-coral: 0 12px 28px rgba(255,107,74,0.28);
  --shadow-teal: 0 12px 28px rgba(22,169,138,0.26);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

body{
  margin:0;
  font-family:'Inter', sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{
  font-family:'Sora', sans-serif;
  color:var(--ink);
  line-height:1.15;
  margin:0 0 .5em;
}
h1{ font-size:clamp(2.2rem, 4.4vw, 3.6rem); font-weight:800; letter-spacing:-0.02em; }
h2{ font-size:clamp(1.7rem, 3vw, 2.4rem); font-weight:700; letter-spacing:-0.01em; }
h3{ font-size:1.3rem; font-weight:700; }
p{ margin:0 0 1em; color:var(--text-soft); }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }

.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.09em;
  text-transform:uppercase;
  color:var(--coral-dark);
  display:inline-flex;
  align-items:center;
  gap:.5em;
  margin-bottom:.9em;
}
.eyebrow::before{
  content:"";
  width:22px; height:2px;
  background:var(--coral);
  display:inline-block;
}

.wrap{
  max-width:1180px;
  margin:0 auto;
  padding:0 28px;
}

section{ padding:88px 0; }
@media (max-width:720px){ section{ padding:56px 0; } }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.6em;
  font-family:'Sora', sans-serif;
  font-weight:700;
  font-size:.98rem;
  padding:.95em 1.7em;
  border-radius:100px;
  border:none;
  cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn:focus-visible{ outline:3px solid var(--ink); outline-offset:3px; }
.btn-coral{ background:var(--coral); color:#fff; box-shadow:var(--shadow-coral); }
.btn-coral:hover{ background:var(--coral-dark); transform:translateY(-2px); }
.btn-ghost{ background:transparent; color:var(--ink); border:2px solid var(--line); }
.btn-ghost:hover{ border-color:var(--ink); transform:translateY(-2px); }
.btn-white{ background:#fff; color:var(--ink); box-shadow:var(--shadow-md); }
.btn-white:hover{ transform:translateY(-2px); }

/* ---------- Nav ---------- */
.site-nav{
  position:sticky; top:0; z-index:50;
  background:rgba(245,246,251,0.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-nav .wrap{
  display:flex; align-items:center; justify-content:space-between;
  padding-top:16px; padding-bottom:16px;
}
.logo{
  display:flex; align-items:center; gap:.7em;
  font-family:'Sora', sans-serif; font-weight:800; font-size:1.08rem;
  color:var(--ink); min-width:0;
}
.logo-mark{
  width:50px; height:50px; border-radius:50%;
  background:#fff;
  display:flex; align-items:center; justify-content:center;
  box-shadow:var(--shadow-sm);
  flex-shrink:0; padding:3px;
}
.logo-icon-img{ width:100%; height:100%; object-fit:contain; }
.logo-text{ min-width:0; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.logo small{
  display:block; font-family:'Inter'; font-weight:500; font-size:.72rem;
  color:var(--text-soft); letter-spacing:.02em;
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}

.nav-links{
  display:flex; align-items:center; gap:6px;
  list-style:none; margin:0; padding:6px; 
  background:#fff; border-radius:100px; box-shadow:var(--shadow-sm);
}
.nav-links a{
  font-size:.92rem; font-weight:600; color:var(--ink-soft);
  padding:.6em 1.1em; border-radius:100px; transition:background .18s, color .18s;
}
.nav-links a:hover{ background:var(--bg); color:var(--ink); }
.nav-links a.active{ background:var(--ink); color:#fff; }

.nav-cta{ display:flex; align-items:center; gap:14px; }
.nav-toggle{ display:none; background:none; border:none; cursor:pointer; padding:8px; }
.nav-toggle svg{ width:26px; height:26px; color:var(--ink); }

@media (max-width:900px){
  .nav-links{
    position:fixed; inset:auto 20px auto 20px; top:78px;
    flex-direction:column; align-items:stretch;
    padding:10px; gap:2px; display:none;
    border-radius:20px; z-index:55;
    box-shadow:0 16px 40px rgba(27,42,74,.22);
    max-height:calc(100vh - 100px); overflow-y:auto;
  }
  .nav-links.open{ display:flex; }
  .nav-links a{ text-align:center; border-radius:12px; }
  .nav-links a.active{ border-radius:12px; }
  .nav-toggle{ display:block; }
  .nav-cta .btn-coral span.long{ display:none; }
  .site-nav .wrap{ flex-wrap:wrap; row-gap:10px; padding-top:14px; padding-bottom:14px; }
  .logo{ flex:1 1 100%; order:1; font-size:1rem; }
  .nav-cta{ order:2; margin-left:auto; }
}
@media (max-width:400px){
  .logo{ font-size:.92rem; }
  .logo-mark{ width:42px; height:42px; }
}

/* ---------- Hero ---------- */
.hero{ padding:64px 0 40px; overflow:hidden; }
.hero .wrap{
  display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center;
}
@media (max-width:940px){ .hero .wrap{ grid-template-columns:1fr; } }

.hero-copy p.lead{ font-size:1.14rem; max-width:46ch; }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-top:1.6em; }

.hero-stats{ display:flex; gap:34px; margin-top:2.6em; flex-wrap:wrap; }
.hero-stats div strong{
  display:block; font-family:'Sora'; font-size:1.5rem; color:var(--ink); font-weight:800;
}
.hero-stats div span{ font-size:.84rem; color:var(--text-soft); }

/* ---------- The Open Path (signature element) ---------- */
.open-path{ position:relative; }
.open-path-track{
  position:relative;
  border-radius:var(--radius-lg);
  background:linear-gradient(160deg, var(--ink) 0%, #24365E 60%, #2D4066 100%);
  padding:38px 26px;
  box-shadow:var(--shadow-md);
  overflow:hidden;
}
.open-path-track::after{
  content:""; position:absolute; inset:0;
  background:radial-gradient(circle at 85% 12%, rgba(255,182,39,0.20), transparent 55%),
             radial-gradient(circle at 10% 90%, rgba(22,169,138,0.22), transparent 50%);
  pointer-events:none;
}
.open-path-title{
  color:#fff; font-family:'IBM Plex Mono', monospace; font-size:.76rem;
  letter-spacing:.1em; text-transform:uppercase; opacity:.75; margin-bottom:22px;
  position:relative;
}
.path-steps{ list-style:none; margin:0; padding:0; position:relative; }
.path-steps::before{
  content:""; position:absolute; left:19px; top:8px; bottom:8px; width:2px;
  background:repeating-linear-gradient(to bottom, rgba(255,255,255,.45) 0 6px, transparent 6px 12px);
}
.path-steps li{
  position:relative; display:flex; gap:18px; padding:16px 0; align-items:flex-start;
}
.path-node{
  width:40px; height:40px; border-radius:50%; flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  font-family:'Sora'; font-weight:800; font-size:.95rem; color:#1B2A4A;
  box-shadow:0 6px 16px rgba(0,0,0,.22); position:relative; z-index:1;
}
.path-steps li:nth-child(1) .path-node{ background:var(--marigold); }
.path-steps li:nth-child(2) .path-node{ background:#FF8F73; }
.path-steps li:nth-child(3) .path-node{ background:#5CD6BC; }
.path-steps li:nth-child(4) .path-node{ background:#fff; }
.path-body h4{ color:#fff; margin:.1em 0 .2em; font-size:1.02rem; }
.path-body p{ color:rgba(255,255,255,.72); margin:0; font-size:.9rem; }

/* ---------- Course cards ---------- */
.course-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:26px; margin-top:44px;
}
@media (max-width:760px){ .course-grid{ grid-template-columns:1fr; } }

.course-card{
  border-radius:var(--radius-lg);
  padding:38px 34px;
  color:#fff;
  position:relative; overflow:hidden;
  box-shadow:var(--shadow-md);
}
.course-card.tenth{ background:linear-gradient(150deg, var(--coral) 0%, #FF9166 100%); }
.course-card.twelfth{ background:linear-gradient(150deg, var(--teal) 0%, #38C9A8 100%); }
.course-card .tag{
  font-family:'IBM Plex Mono'; font-size:.74rem; letter-spacing:.08em; text-transform:uppercase;
  background:rgba(255,255,255,.22); padding:.4em .9em; border-radius:100px; display:inline-block;
  margin-bottom:16px;
}
.course-card h3{ color:#fff; font-size:1.7rem; margin-bottom:.3em; }
.course-card p{ color:rgba(255,255,255,.88); }
.course-list{ list-style:none; margin:18px 0 26px; padding:0; }
.course-list li{
  padding:.4em 0; font-size:.94rem; display:flex; gap:10px; align-items:flex-start;
  color:rgba(255,255,255,.92);
}
.course-list li svg{ width:18px; height:18px; flex-shrink:0; margin-top:2px; }
.course-card .big-num{
  position:absolute; right:20px; bottom:-6px; font-family:'Sora'; font-weight:800;
  font-size:7rem; color:rgba(255,255,255,.14); line-height:1; pointer-events:none;
}

/* ---------- Feature / info grid ---------- */
.feature-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; margin-top:40px; }
@media (max-width:820px){ .feature-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .feature-grid{ grid-template-columns:1fr; } }
.feature-card{
  background:var(--paper); border-radius:var(--radius-md); padding:28px;
  box-shadow:var(--shadow-sm); border:1px solid var(--line);
}
.feature-icon{
  width:46px; height:46px; border-radius:12px; display:flex; align-items:center; justify-content:center;
  margin-bottom:16px;
}
.feature-icon svg{ width:22px; height:22px; color:#fff; }

/* ---------- Section header ---------- */
.section-head{ max-width:640px; margin-bottom:8px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

/* ---------- Split section ---------- */
.split{ display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
@media (max-width:860px){ .split{ grid-template-columns:1fr; } }

/* ---------- Timeline (About) ---------- */
.timeline{ position:relative; padding-left:34px; margin-top:36px; }
.timeline::before{ content:""; position:absolute; left:9px; top:6px; bottom:6px; width:2px; background:var(--line); }
.timeline-item{ position:relative; padding-bottom:34px; }
.timeline-item::before{
  content:""; position:absolute; left:-34px; top:2px; width:20px; height:20px; border-radius:50%;
  background:var(--coral); border:4px solid var(--bg); box-shadow:0 0 0 2px var(--coral);
}
.timeline-item:last-child{ padding-bottom:0; }

/* ---------- Stat band ---------- */
.stat-band{
  background:var(--ink); border-radius:var(--radius-lg); padding:48px 40px; color:#fff;
  display:grid; grid-template-columns:repeat(4,1fr); gap:24px; margin-top:36px;
}
@media (max-width:760px){ .stat-band{ grid-template-columns:1fr 1fr; } }
.stat-band div strong{
  font-family:'Sora'; font-size:clamp(1.15rem, 4.6vw, 2.1rem); font-weight:800;
  display:block; line-height:1.2; overflow-wrap:break-word; word-break:break-word;
}
.stat-band div span{ font-size:.85rem; color:rgba(255,255,255,.7); }
@media (max-width:480px){
  .stat-band{ grid-template-columns:1fr 1fr; padding:32px 22px; gap:22px 16px; }
}

/* ---------- Cards generic ---------- */
.card{ background:var(--paper); border-radius:var(--radius-md); border:1px solid var(--line); box-shadow:var(--shadow-sm); }

/* ---------- Notices / results ---------- */
.notice-list{ display:flex; flex-direction:column; gap:14px; margin-top:34px; }
.notice-row{
  display:flex; align-items:center; gap:20px; padding:22px 26px;
  background:var(--paper); border-radius:var(--radius-md); border:1px solid var(--line);
  box-shadow:var(--shadow-sm); transition:transform .15s ease, box-shadow .15s ease;
}
.notice-row:hover{ transform:translateX(4px); box-shadow:var(--shadow-md); }
.notice-date{
  font-family:'IBM Plex Mono'; font-size:.78rem; color:#fff; background:var(--ink);
  padding:.5em .8em; border-radius:8px; flex-shrink:0; text-align:center; min-width:64px;
}
.notice-date strong{ display:block; font-size:1.05rem; }
.notice-row h4{ margin:0 0 .2em; font-size:1.02rem; }
.notice-row p{ margin:0; font-size:.88rem; }
.notice-badge{
  font-family:'IBM Plex Mono'; font-size:.7rem; text-transform:uppercase; letter-spacing:.06em;
  padding:.35em .8em; border-radius:100px; flex-shrink:0; font-weight:600;
}
.badge-new{ background:#FFF1E4; color:var(--coral-dark); }
.badge-result{ background:#E4F8F2; color:var(--teal-dark); }
.badge-event{ background:#EFF1FF; color:#4A55C7; }

/* ---------- Gallery ---------- */
.gallery-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:36px; }
@media (max-width:820px){ .gallery-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .gallery-grid{ grid-template-columns:1fr; } }
.gallery-tile{
  aspect-ratio:4/3; border-radius:var(--radius-md); position:relative; overflow:hidden;
  display:flex; align-items:flex-end; padding:20px; box-shadow:var(--shadow-sm);
}
.gallery-tile span{
  position:relative; color:#fff; font-family:'Sora'; font-weight:700; font-size:1rem;
}
.gallery-tile::before{ content:""; position:absolute; inset:0; background:rgba(20,25,50,.28); }

/* ---------- Form ---------- */
.form-card{ padding:40px; }
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
@media (max-width:640px){ .form-grid{ grid-template-columns:1fr; } }
.field{ display:flex; flex-direction:column; gap:8px; }
.field.full{ grid-column:1/-1; }
.field label{ font-size:.86rem; font-weight:600; color:var(--ink); }
.field input, .field select, .field textarea{
  font-family:'Inter'; font-size:.96rem; padding:.85em 1em; border-radius:var(--radius-sm);
  border:1.5px solid var(--line); background:var(--bg); color:var(--text); transition:border-color .15s;
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none; border-color:var(--coral); background:#fff;
}
.field textarea{ resize:vertical; min-height:110px; }
.form-note{
  background:#FFF7EC; border:1px solid #FFE4BC; border-radius:var(--radius-sm);
  padding:14px 18px; font-size:.88rem; color:#7A5313; margin-top:22px;
}

/* ---------- Contact ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:26px; margin-top:36px; }
@media (max-width:760px){ .contact-grid{ grid-template-columns:1fr; } }
.contact-card{ padding:30px; display:flex; gap:18px; align-items:flex-start; }
.contact-card .feature-icon{ margin-bottom:0; flex-shrink:0; }
.map-frame{
  border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow-md);
  border:1px solid var(--line); margin-top:36px; height:360px;
}
.map-frame iframe{ width:100%; height:100%; border:0; }

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(120deg, var(--coral) 0%, #FF9166 55%, var(--marigold) 100%);
  border-radius:var(--radius-lg); padding:56px 48px; color:#fff; text-align:center;
  box-shadow:var(--shadow-coral);
}
.cta-band h2{ color:#fff; }
.cta-band p{ color:rgba(255,255,255,.9); max-width:52ch; margin-left:auto; margin-right:auto; }
.cta-band .hero-actions{ justify-content:center; }

/* ---------- Footer ---------- */
footer{ background:var(--ink); color:rgba(255,255,255,.75); padding:64px 0 28px; margin-top:40px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; }
@media (max-width:760px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:480px){ .footer-grid{ grid-template-columns:1fr; } }
footer h4{ color:#fff; font-size:.92rem; margin-bottom:16px; }
footer .logo{ color:#fff; margin-bottom:14px; }
footer ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px; }
footer a{ font-size:.9rem; transition:color .15s; }
footer a:hover{ color:#fff; }
footer p{ color:rgba(255,255,255,.6); font-size:.9rem; }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12); margin-top:44px; padding-top:22px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  font-size:.82rem; color:rgba(255,255,255,.5);
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{ padding:56px 0 20px; }
.page-hero .eyebrow{ margin-bottom:.6em; }
.page-hero p.lead{ max-width:60ch; font-size:1.06rem; }
@media (max-width:700px){
  .page-hero .wrap[style*="grid-template-columns:auto"]{
    grid-template-columns:1fr !important; text-align:center; justify-items:center;
  }
}

/* ---------- Utility ---------- */
.mt-0{ margin-top:0; }
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:none; }

/* ---------- Team ---------- */
.team-grid{ display:grid; grid-template-columns:1fr 1fr; gap:26px; margin-top:36px; }
@media (max-width:640px){ .team-grid{ grid-template-columns:1fr; max-width:340px; margin-left:auto; margin-right:auto; } }
.team-card{
  border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow-md);
  background:var(--paper); border:1px solid var(--line);
}
.team-card img{ width:100%; height:auto; display:block; }

.nav-backdrop{
  position:fixed; inset:0; background:rgba(20,25,45,.35);
  z-index:54; display:none;
}
.nav-backdrop.open{ display:block; }

.banner-single{
  border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow-md);
}
.banner-single img{ width:100%; height:auto; display:block; }
@media (max-width:600px){
  .banner-single{ border-radius:var(--radius-md); }
}


/* ---------- Areas served ---------- */
.area-chip-row{ display:flex; flex-wrap:wrap; gap:12px; margin-top:28px; }
.area-chip{
  background:var(--paper); border:1.5px solid var(--line); border-radius:100px;
  padding:.7em 1.3em; font-family:'Sora'; font-weight:600; font-size:.92rem; color:var(--ink);
  display:inline-flex; align-items:center; gap:.5em;
}
.area-chip svg{ width:16px; height:16px; color:var(--coral); flex-shrink:0; }

.whatsapp-float{
  position:fixed; right:22px; bottom:22px; z-index:60;
  width:58px; height:58px; border-radius:50%;
  background:#25D366; display:flex; align-items:center; justify-content:center;
  box-shadow:0 10px 26px rgba(37,211,102,0.42);
  transition:transform .18s ease;
}
.whatsapp-float:hover{ transform:scale(1.07); }
.whatsapp-float svg{ width:29px; height:29px; }
@media (max-width:600px){
  .whatsapp-float{ right:16px; bottom:16px; width:52px; height:52px; }
  .whatsapp-float svg{ width:26px; height:26px; }
}

  html{ scroll-behavior:auto; }
  .reveal{ opacity:1; transform:none; transition:none; }
  .btn, .notice-row{ transition:none; }
}