/* ==========================================================================
   IIVET SCROP FRANCE — Design tokens
   Palette:   --navy (base/dark), --blue (primary), --amber (3-month track),
              --coral (6-month track), --mint (1-year track), --violet (2-year/NTT track)
   Type:      Poppins (display), Inter (body), JetBrains Mono (data/duration/eligibility)
   ========================================================================== */

:root{
  --navy:    #12143D;
  --navy-2:  #1B1E55;
  --blue:    #3457FF;
  --blue-2:  #6C86FF;
  --amber:   #FFB627;
  --coral:   #FF5C7A;
  --mint:    #10D9A6;
  --violet:  #9B6BFF;
  --bg:      #F5F6FC;
  --card:    #FFFFFF;
  --ink:     #171A3C;
  --ink-soft:#565A82;
  --line:    #E4E6F5;

  --font-display: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

*{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  overflow-x:hidden;
}

h1,h2,h3,h4,h5,.display-font{
  font-family: var(--font-display);
  font-weight:700;
  color: var(--navy);
  letter-spacing:-0.01em;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size:.78rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color: var(--blue);
  font-weight:600;
}

a{ text-decoration:none; }

.text-ink-soft{ color:var(--ink-soft); }

/* ---------- Buttons ---------- */
.btn-brand{
  background: var(--blue);
  color:#fff;
  border-radius:50px;
  padding:.75rem 1.6rem;
  font-weight:600;
  border:2px solid var(--blue);
  transition:.25s;
  display:inline-flex;
  align-items:center;
  gap:.5rem;
}
.btn-brand:hover{ background:#1f3fe0; border-color:#1f3fe0; color:#fff; transform:translateY(-2px); }

.btn-outline-brand{
  background:transparent;
  color: var(--navy);
  border-radius:50px;
  padding:.75rem 1.6rem;
  font-weight:600;
  border:2px solid var(--navy);
  transition:.25s;
  display:inline-flex;
  align-items:center;
  gap:.5rem;
}
.btn-outline-brand:hover{ background:var(--navy); color:#fff; transform:translateY(-2px); }

.btn-amber{
  background:var(--amber); color:var(--navy); border:2px solid var(--amber);
  border-radius:50px; padding:.75rem 1.6rem; font-weight:700;
}
.btn-amber:hover{ background:#ffc55c; color:var(--navy); }

/* ---------- Navbar ---------- */
.isf-navbar{
  background: rgba(18,20,61,0.96);
  backdrop-filter: blur(6px);
  padding:.7rem 0;
}
.isf-navbar .navbar-brand{
  font-family: var(--font-display);
  font-weight:700;
  color:#fff !important;
  display:flex;
  align-items:center;
  gap:.6rem;
  font-size:1.15rem;
}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(135deg,var(--blue),var(--violet) 60%, var(--coral));
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display); font-weight:800; color:#fff; font-size:.95rem;
  flex:none;
}
.isf-navbar .nav-link{
  color:#cfd2ff !important;
  font-weight:500;
  margin:0 .35rem;
  padding:.5rem .7rem !important;
  border-radius:8px;
  transition:.2s;
}
.isf-navbar .nav-link:hover,
.isf-navbar .nav-link.active{
  color:#fff !important;
  background:rgba(255,255,255,.08);
}
.isf-navbar .btn-brand{ padding:.55rem 1.3rem; }

/* ---------- Hero ---------- */
.hero{
  background:
    radial-gradient(circle at 85% 15%, rgba(255,182,39,.18), transparent 45%),
    radial-gradient(circle at 5% 90%, rgba(16,217,166,.18), transparent 40%),
    var(--navy);
  position:relative;
  padding:6.5rem 0 5rem;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:42px 42px;
  pointer-events:none;
}
.hero h1{ color:#fff; font-size:clamp(2.1rem,4.2vw,3.4rem); line-height:1.12; }
.hero p.lead{ color:#C6C9F2; font-size:1.1rem; max-width:32rem; }
.hero .eyebrow{ color:var(--amber); }

.hero-stat-stack{ position:relative; z-index:2; }
.stat-pill{
  background:var(--card);
  border-radius:18px;
  padding:1.1rem 1.3rem;
  box-shadow:0 18px 40px rgba(10,12,50,.28);
  display:flex; align-items:center; gap:.9rem;
  margin-bottom:1rem;
  transform:translateX(0);
}
.stat-pill:nth-child(1){ margin-left:2.2rem; }
.stat-pill:nth-child(3){ margin-left:1.1rem; }
.stat-pill .icon-chip{
  width:46px;height:46px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.2rem; color:#fff; flex:none;
}
.stat-pill h4{ font-size:1.4rem; margin:0; }
.stat-pill span{ font-size:.8rem; color:var(--ink-soft); font-weight:500; }

/* ---------- Section shell ---------- */
section{ padding:5rem 0; }
.section-head{ max-width:42rem; margin-bottom:2.8rem; }
.section-head.mx-auto{ text-align:center; margin-left:auto; margin-right:auto; }

/* ---------- Trust strip ---------- */
.trust-strip{
  background:var(--card);
  border-bottom:1px solid var(--line);
  padding:1.1rem 0;
}
.trust-strip .item{
  display:flex; align-items:center; gap:.55rem;
  font-family:var(--font-mono); font-size:.78rem; color:var(--ink-soft);
  letter-spacing:.02em;
}
.trust-strip .item i{ color:var(--blue); }

/* ---------- Feature cards ---------- */
.feature-card{
  background:var(--card);
  border-radius:20px;
  padding:2rem 1.6rem;
  height:100%;
  border:1px solid var(--line);
  transition:.25s;
}
.feature-card:hover{ transform:translateY(-6px); box-shadow:0 22px 40px rgba(20,25,80,.1); }
.feature-icon{
  width:56px;height:56px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.4rem;color:#fff; margin-bottom:1.1rem;
}

/* ---------- Duration track system (signature element) ----------
   Every course across the site is tagged to a track. The color +
   pill is the single visual language used everywhere a course
   appears: home teasers, the course catalogue, and filters. */
.track-3m{ --track:var(--amber); }
.track-6m{ --track:var(--coral); }
.track-1y{ --track:var(--mint); }
.track-2y{ --track:var(--violet); }

.track-pill{
  font-family:var(--font-mono);
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.04em;
  color:#fff;
  background:var(--track,var(--blue));
  border-radius:50px;
  padding:.28rem .75rem;
  display:inline-block;
}

.course-card{
  background:var(--card);
  border-radius:18px;
  border:1px solid var(--line);
  border-left:6px solid var(--track,var(--blue));
  padding:1.6rem 1.6rem 1.4rem;
  height:100%;
  transition:.25s;
}
.course-card:hover{ box-shadow:0 20px 45px rgba(20,25,80,.12); transform:translateY(-4px); }
.course-card .cat-icon{
  width:48px;height:48px;border-radius:12px;
  background:var(--track,var(--blue)); opacity:.14;
  position:absolute;
}
.course-card h5{ font-size:1.05rem; margin-bottom:.4rem; }
.course-card .elig{
  font-family:var(--font-mono); font-size:.72rem; color:var(--ink-soft);
}

/* Category teaser cards on home */
.cat-card{
  border-radius:20px;
  padding:2rem 1.5rem;
  height:100%;
  color:#fff;
  position:relative;
  overflow:hidden;
  isolation:isolate;
}
.cat-card::before{
  content:""; position:absolute; inset:0; z-index:-1;
  background:var(--grad);
  opacity:.94;
}
.cat-card .cat-num{
  font-family:var(--font-mono); font-size:.75rem; opacity:.8; letter-spacing:.1em;
}
.cat-card h5{ color:#fff; margin:.6rem 0 .5rem; }
.cat-card p{ color:rgba(255,255,255,.85); font-size:.92rem; margin-bottom:0; }
.cat-card .go{ position:absolute; right:1.3rem; bottom:1.3rem; color:#fff; font-size:1.3rem; opacity:.7; }

/* ---------- Stats band ---------- */
.stats-band{
  background:var(--navy);
  color:#fff;
  position:relative;
}
.stats-band .num{
  font-family:var(--font-display); font-weight:800;
  font-size:clamp(2rem,3.4vw,2.8rem);
}
.stats-band .lbl{ color:#B6B9E8; font-size:.85rem; font-family:var(--font-mono); letter-spacing:.05em; }

/* ---------- Testimonial ---------- */
.testi-card{
  background:var(--card);
  border-radius:20px;
  padding:2rem;
  border:1px solid var(--line);
  height:100%;
}
.testi-avatar{
  width:52px;height:52px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-family:var(--font-display);
  flex:none;
}
.testi-quote{ color:var(--ink-soft); font-size:.95rem; }
.stars i{ color:var(--amber); font-size:.85rem; }

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--blue), var(--violet) 55%, var(--coral));
  border-radius:28px;
  padding:3.2rem 2.5rem;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:""; position:absolute; width:300px;height:300px;border-radius:50%;
  background:rgba(255,255,255,.08); top:-140px; right:-80px;
}
.cta-band h2{ color:#fff; }

/* ---------- Footer ---------- */
footer{
  background:var(--navy);
  color:#B6B9E8;
  padding:3.5rem 0 1.5rem;
}
footer h6{ color:#fff; font-family:var(--font-display); margin-bottom:1rem; }
footer a{ color:#B6B9E8; }
footer a:hover{ color:#fff; }
footer ul{ list-style:none; padding:0; margin:0; }
footer li{ margin-bottom:.6rem; font-size:.92rem; }
.social-chip{
  width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center; color:#fff; margin-right:.5rem;
  transition:.2s;
}
.social-chip:hover{ background:var(--blue); }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  margin-top:2.5rem; padding-top:1.3rem;
  font-size:.82rem;
}

/* ---------- Page header (inner pages) ---------- */
.page-header{
  background:var(--navy);
  padding:5.5rem 0 3.5rem;
  position:relative;
  overflow:hidden;
}
.page-header::before{
  content:""; position:absolute; width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle, rgba(52,87,255,.35), transparent 70%);
  top:-220px; right:-100px;
}
.page-header h1{ color:#fff; }
.page-header .crumbs{ color:#9EA3E0; font-family:var(--font-mono); font-size:.82rem; }
.page-header .crumbs a{ color:#C6C9F2; }

/* ---------- Filter tabs (courses page) ---------- */
.filter-tab{
  border:2px solid var(--line);
  background:#fff;
  border-radius:50px;
  padding:.55rem 1.3rem;
  font-weight:600; font-size:.9rem;
  color:var(--ink);
  transition:.2s;
}
.filter-tab.active, .filter-tab:hover{
  background:var(--navy); border-color:var(--navy); color:#fff;
}
.dtab{
  border:2px solid var(--line); background:#fff; border-radius:10px;
  font-family:var(--font-mono); font-size:.78rem; padding:.4rem .8rem; font-weight:600;
  color:var(--ink-soft);
}
.dtab.active{ color:#fff; }
.dtab.active.track-3m{ background:var(--amber); border-color:var(--amber); }
.dtab.active.track-6m{ background:var(--coral); border-color:var(--coral); }
.dtab.active.track-1y{ background:var(--mint); border-color:var(--mint); }
.dtab.active.track-2y{ background:var(--violet); border-color:var(--violet); }

/* ---------- Gallery ---------- */
.gal-tab{
  border:2px solid var(--line); background:#fff; border-radius:50px;
  padding:.5rem 1.2rem; font-weight:600; font-size:.85rem; color:var(--ink);
  transition:.2s;
}
.gal-tab.active, .gal-tab:hover{ background:var(--navy); border-color:var(--navy); color:#fff; }

.gallery-item{
  border-radius:16px;
  overflow:hidden;
  position:relative;
  aspect-ratio:4/3;
  cursor:pointer;
  isolation:isolate;
}
.gallery-item img{
  width:100%; height:100%; object-fit:cover;
  transition:transform .4s ease;
}
.gallery-item:hover img{ transform:scale(1.08); }
.gallery-item::before{
  content:""; position:absolute; inset:0;
  background:linear-gradient(0deg, var(--tint,rgba(18,20,61,.75)) 0%, transparent 55%);
  z-index:1;
}
.gallery-item .gal-tag{
  position:absolute; left:.9rem; top:.9rem; z-index:2;
  font-family:var(--font-mono); font-size:.68rem; font-weight:600;
  background:rgba(255,255,255,.92); color:var(--navy);
  padding:.22rem .6rem; border-radius:50px;
}
.gallery-item .gal-cap{
  position:absolute; left:.9rem; bottom:.8rem; right:.9rem; z-index:2;
  color:#fff; font-family:var(--font-display); font-weight:600; font-size:.92rem;
}
.gallery-item .gal-zoom{
  position:absolute; right:.7rem; bottom:.7rem; z-index:2;
  width:34px;height:34px;border-radius:50%;
  background:rgba(255,255,255,.9); color:var(--navy);
  display:flex;align-items:center;justify-content:center; font-size:.85rem;
  opacity:0; transition:.25s;
}
.gallery-item:hover .gal-zoom{ opacity:1; }

/* Lightbox modal */
#lightboxModal .modal-content{ background:transparent; border:none; }
#lightboxModal img{ width:100%; border-radius:14px; max-height:78vh; object-fit:contain; background:var(--navy); }
#lightboxModal .btn-close{ filter:invert(1); opacity:1; }
#lightboxCaption{ color:#fff; font-family:var(--font-display); }

/* ---------- Contact ---------- */
.info-card{
  background:var(--card); border:1px solid var(--line); border-radius:18px;
  padding:1.6rem; display:flex; gap:1rem; align-items:flex-start;
}
.info-card .ic{
  width:46px;height:46px;border-radius:12px;color:#fff;display:flex;
  align-items:center;justify-content:center;flex:none;
}
.form-control, .form-select{
  border-radius:10px; border:1.5px solid var(--line); padding:.7rem .9rem;
}
.form-control:focus, .form-select:focus{
  border-color:var(--blue); box-shadow:0 0 0 .2rem rgba(52,87,255,.15);
}
.map-shell{
  border-radius:20px; overflow:hidden; border:1px solid var(--line); height:100%; min-height:320px;
}

/* Accessibility: visible focus ring everywhere */
a:focus-visible, button:focus-visible, .nav-link:focus-visible{
  outline:3px solid var(--blue); outline-offset:2px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; }
}

@media (max-width: 991px){
  .stat-pill:nth-child(1), .stat-pill:nth-child(3){ margin-left:0; }
  section{ padding:3.5rem 0; }
}

/* ---------- Certificate portal (verify + admin) ---------- */
.auth-shell{
  max-width:440px; margin:0 auto; background:var(--card); border:1px solid var(--line);
  border-radius:20px; padding:2.2rem; box-shadow:0 20px 50px rgba(18,20,61,.08);
}
.cert-card{
  background:var(--card); border:1px solid var(--line); border-radius:18px; padding:1.6rem;
}
.cert-row{
  display:flex; justify-content:space-between; gap:1rem; padding:.55rem 0;
  border-bottom:1px dashed var(--line); font-size:.95rem;
}
.cert-row:last-child{ border-bottom:none; }
.cert-row .k{ color:var(--ink-soft); font-family:var(--font-mono); font-size:.8rem; text-transform:uppercase; letter-spacing:.05em; }
.cert-row .v{ font-weight:600; color:var(--navy); text-align:right; }
.cert-badge{
  display:inline-flex; align-items:center; gap:.4rem; background:rgba(16,217,166,.12); color:#0A7F63;
  font-weight:700; font-size:.82rem; padding:.35rem .8rem; border-radius:50px;
}
.cert-table-wrap{ overflow-x:auto; }
.cert-table{ width:100%; border-collapse:collapse; font-size:.9rem; }
.cert-table th{
  text-align:left; font-family:var(--font-mono); font-size:.72rem; text-transform:uppercase;
  letter-spacing:.06em; color:var(--ink-soft); border-bottom:2px solid var(--line); padding:.6rem .7rem;
}
.cert-table td{ padding:.65rem .7rem; border-bottom:1px solid var(--line); vertical-align:middle; }
.cert-thumb{ width:44px; height:44px; border-radius:8px; object-fit:cover; border:1px solid var(--line); }
.session-note{
  font-family:var(--font-mono); font-size:.75rem; color:var(--ink-soft);
}

/* ---------- Styled date input (DOB / issue date etc.) ---------- */
.date-field{ position:relative; }
.date-field input[type="date"].form-control{
  padding-right:2.9rem;
  color-scheme: light;
  accent-color: var(--blue);
  cursor:pointer;
}
.date-field input[type="date"].form-control:invalid{ color:var(--ink-soft); }
.date-field .date-icon{
  position:absolute; top:50%; right:.9rem; transform:translateY(-50%);
  width:34px; height:34px; border-radius:9px; background:rgba(52,87,255,.1);
  color:var(--blue); display:flex; align-items:center; justify-content:center;
  pointer-events:none; font-size:1.05rem;
}
.date-field input[type="date"]::-webkit-calendar-picker-indicator{
  position:absolute; right:0; width:2.9rem; height:100%; margin:0; padding:0;
  opacity:0; cursor:pointer;
}
.date-field input[type="date"]:focus + .date-icon{
  background:var(--blue); color:#fff;
}


/* ---------- Certificate fetch loader ---------- */
.cert-spinner{
  width:42px; height:42px; margin:0 auto;
  border:4px solid rgba(52,87,255,.15);
  border-top-color:var(--blue);
  border-radius:50%;
  animation:cert-spin .8s linear infinite;
}
@keyframes cert-spin{ to{ transform:rotate(360deg); } }