/* ==========================================================================
   Quick Publication — Design tokens (v2: colorful / boxed / stylish)
   Palette:  --navy (ink/base), --teal + --coral + --gold + --violet + --sky
             (rotating accent family across cards, seals & badges)
   Type:     display = 'Source Serif 4', body = 'Inter', mono = 'IBM Plex Mono'
   Signature element: the "indexing seal" — a stamp-style circular badge used
   for SCI / SCIE / ESCI / Scopus / WoS / UGC-CARE marks throughout the site.
   ========================================================================== */

:root{
  --navy: #0F2A47;
  --navy-2: #16345A;
  --teal: #0E9B98;
  --teal-2: #0B7B79;
  --gold: #E0A93A;
  --coral: #F0684C;
  --violet: #7D5BA6;
  --sky: #3E92CC;
  --bg: #F5F7FA;
  --paper: #FFFFFF;
  --ink: #1B1F23;
  --muted: #5B6470;
  --line: #E4E8ED;
  --radius: 14px;
  --shadow: 0 12px 28px rgba(15,42,71,0.10);
  --shadow-lg: 0 20px 48px rgba(15,42,71,0.16);
  --maxw: 1200px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:
    radial-gradient(900px 420px at 100% 0%, rgba(62,146,204,0.08), transparent 60%),
    radial-gradient(900px 420px at 0% 20%, rgba(224,169,58,0.08), transparent 55%),
    var(--bg);
  color:var(--ink);
  font-family:'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Source Serif 4', Georgia, 'Times New Roman', serif;
  color:var(--navy);
  line-height:1.15;
  margin:0 0 .5em;
  font-weight:600;
}
h1{ font-size:clamp(2.2rem, 4.2vw, 3.6rem); font-weight:700; }
h2{ font-size:clamp(1.7rem, 3.2vw, 2.4rem); }
h3{ font-size:1.32rem; }
p{ margin:0 0 1em; color:var(--ink); }
a{ color:var(--teal-2); text-decoration:none; }
a:hover{ color:var(--coral); text-decoration:underline; }
ul{ padding-left:1.2em; }
img{ max-width:100%; display:block; }
.mono{ font-family:'IBM Plex Mono', ui-monospace, SFMono-Regular, monospace; }

.container{ max-width:var(--maxw); margin:0 auto; padding:0 24px; }
.section{ padding:80px 0; }
.section-tight{ padding:44px 0; }
.section-alt{ background:#EFF3F8; }
.section-navy{ background:linear-gradient(120deg, var(--navy) 0%, #1B4A78 100%); color:#fff; }
.section-navy h2, .section-navy h3{ color:#fff; }
.section-navy p{ color:#C9D9E8; }

.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  text-transform:uppercase;
  letter-spacing:.14em;
  font-size:.76rem;
  color:#fff;
  font-weight:700;
  display:inline-block;
  margin-bottom:14px;
  background:var(--coral);
  padding:5px 14px;
  border-radius:30px;
}
.section-navy .eyebrow{ background:var(--gold); color:var(--navy); }
.section-alt .eyebrow{ background:var(--violet); }

.lede{ font-size:1.16rem; color:var(--muted); max-width:70ch; }

/* Buttons */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:14px 28px;
  border-radius:10px;
  font-weight:700;
  font-size:.98rem;
  border:2px solid transparent;
  cursor:pointer;
  transition:all .18s ease;
  box-shadow:0 6px 16px rgba(0,0,0,0.08);
}
.btn-primary{ background:var(--coral); color:#fff; }
.btn-primary:hover{ background:#D8543A; color:#fff; text-decoration:none; transform:translateY(-2px); box-shadow:0 10px 22px rgba(240,104,76,0.35); }
.btn-gold{ background:var(--gold); color:var(--navy); }
.btn-gold:hover{ background:#CC9328; color:var(--navy); text-decoration:none; transform:translateY(-2px); box-shadow:0 10px 22px rgba(224,169,58,0.4); }
.btn-outline{ background:rgba(255,255,255,.08); border-color:#fff; color:#fff; box-shadow:none; }
.btn-outline:hover{ background:rgba(255,255,255,.18); color:#fff; text-decoration:none; }
.btn-outline-navy{ background:transparent; border-color:var(--navy); color:var(--navy); box-shadow:none; }
.btn-outline-navy:hover{ background:var(--navy); color:#fff; text-decoration:none; }
.btn-teal{ background:var(--teal); color:#fff; }
.btn-teal:hover{ background:var(--teal-2); color:#fff; text-decoration:none; transform:translateY(-2px); }

/* ===================== Header / Nav ===================== */
.topbar{
  background:var(--navy);
  color:#cfe0e0;
  font-size:.85rem;
}
.topbar .container{ display:flex; justify-content:space-between; align-items:center; padding-top:9px; padding-bottom:9px; flex-wrap:wrap; gap:6px; }
.topbar a{ color:#F3C969; font-weight:600; }
.topbar .tb-links{ display:flex; gap:18px; flex-wrap:wrap; }

header.site-header{
  background:var(--paper);
  border-bottom:3px solid var(--gold);
  position:sticky; top:0; z-index:50;
  box-shadow:0 2px 10px rgba(0,0,0,.04);
}
.nav-wrap{ display:flex; align-items:center; justify-content:space-between; padding:14px 0; }
.brand{ display:flex; align-items:center; gap:10px; }
.brand-mark{
  width:48px; height:48px; border-radius:50%;
  background:linear-gradient(135deg, var(--teal), var(--sky));
  border:2px dashed var(--gold);
  display:flex; align-items:center; justify-content:center;
  font-family:'Source Serif 4', serif; font-weight:700; color:#fff;
  transform:rotate(-6deg);
  flex-shrink:0;
  box-shadow:0 4px 10px rgba(14,155,152,.35);
}
.brand-text{ line-height:1.1; }
.brand-text strong{ font-family:'Source Serif 4', serif; font-size:1.3rem; color:var(--navy); display:block; }
.brand-text span{ font-family:'IBM Plex Mono', monospace; font-size:.68rem; letter-spacing:.08em; color:var(--coral); text-transform:uppercase; font-weight:700; }

nav.main-nav ul{ list-style:none; display:flex; gap:30px; margin:0; padding:0; }
nav.main-nav a{ color:var(--navy); font-weight:700; font-size:.97rem; }
nav.main-nav a:hover{ color:var(--coral); text-decoration:none; }
nav.main-nav a.active{ color:var(--teal-2); border-bottom:3px solid var(--coral); padding-bottom:4px; }
.nav-cta{ display:flex; align-items:center; gap:16px; }
.nav-phone{ font-family:'IBM Plex Mono', monospace; font-weight:700; color:var(--navy); font-size:.94rem; background:#EFF3F8; padding:8px 14px; border-radius:8px; }
.menu-toggle{ display:none; background:none; border:none; font-size:1.7rem; color:var(--navy); cursor:pointer; }

@media (max-width:900px){
  nav.main-nav{ position:absolute; top:100%; left:0; right:0; background:var(--paper); border-bottom:1px solid var(--line); display:none; box-shadow:var(--shadow); }
  nav.main-nav.open{ display:block; }
  nav.main-nav ul{ flex-direction:column; padding:18px 24px; gap:16px; }
  .menu-toggle{ display:block; }
  .nav-phone{ display:none; }
}

/* ===================== Hero ===================== */
.hero{
  background:
    radial-gradient(1100px 560px at 88% -8%, rgba(224,169,58,0.28), transparent 58%),
    radial-gradient(700px 420px at 8% 100%, rgba(14,155,152,0.35), transparent 55%),
    linear-gradient(160deg, var(--navy) 0%, #133A61 55%, #164B79 100%);
  color:#fff;
  padding:88px 0 64px;
  position:relative;
  overflow:hidden;
}
.hero .container{ display:grid; grid-template-columns:1.15fr .85fr; gap:50px; align-items:center; }
.hero h1{ color:#fff; }
.hero .lede{ color:#D6E3EE; }
.hero-cta{ display:flex; gap:14px; flex-wrap:wrap; margin-top:28px; }
.hero-trust{ margin-top:36px; display:flex; gap:10px; flex-wrap:wrap; align-items:center; }
.hero-trust span.trust-label{ font-family:'IBM Plex Mono', monospace; font-size:.74rem; letter-spacing:.1em; text-transform:uppercase; color:#F3C969; font-weight:700; margin-right:6px; }

/* Seal / stamp badges — signature element, rotating color family */
.seal-row{ display:flex; flex-wrap:wrap; gap:14px; }
.seal{
  width:82px; height:82px; border-radius:50%;
  border:2.5px dashed rgba(255,255,255,.75);
  display:flex; align-items:center; justify-content:center;
  text-align:center;
  font-family:'IBM Plex Mono', monospace;
  font-size:.68rem; letter-spacing:.03em; font-weight:700;
  color:#fff;
  transform:rotate(-4deg);
  flex-shrink:0;
  box-shadow:0 6px 16px rgba(0,0,0,.18);
}
.seal:nth-child(6n+1){ background:linear-gradient(135deg, var(--coral), #D8543A); border-color:#fff; }
.seal:nth-child(6n+2){ background:linear-gradient(135deg, var(--teal), var(--teal-2)); border-color:#fff; transform:rotate(5deg); }
.seal:nth-child(6n+3){ background:linear-gradient(135deg, var(--gold), #CC9328); border-color:#fff; color:var(--navy); transform:rotate(-2deg); }
.seal:nth-child(6n+4){ background:linear-gradient(135deg, var(--violet), #5C4680); border-color:#fff; transform:rotate(3deg); }
.seal:nth-child(6n+5){ background:linear-gradient(135deg, var(--sky), #2B6E9E); border-color:#fff; transform:rotate(-5deg); }
.seal:nth-child(6n+6){ background:linear-gradient(135deg, #D8543A, var(--coral)); border-color:#fff; transform:rotate(2deg); }
.seal-light{ border-color:rgba(255,255,255,.9); }

.hero-panel{
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.28);
  border-radius:18px;
  padding:28px;
  backdrop-filter:blur(3px);
  box-shadow:var(--shadow-lg);
}
.hero-panel .seal-row{ justify-content:center; margin-bottom:8px; }
.hero-panel p.caption{ text-align:center; color:#D6E3EE; font-size:.84rem; margin-top:12px; }

/* ===================== Cards / grids ===================== */
.grid{ display:grid; gap:26px; }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-2{ grid-template-columns:repeat(2,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }
@media (max-width:900px){ .grid-3, .grid-4{ grid-template-columns:repeat(2,1fr); } .hero .container{ grid-template-columns:1fr; } }
@media (max-width:600px){ .grid-2, .grid-3, .grid-4{ grid-template-columns:1fr; } }

.card{
  background:var(--paper);
  border:1px solid var(--line);
  border-top:4px solid var(--teal);
  border-radius:var(--radius);
  padding:30px 26px;
  box-shadow:var(--shadow);
  transition:box-shadow .18s ease, transform .18s ease;
}
.card:hover{ box-shadow:var(--shadow-lg); transform:translateY(-4px); }
.card:nth-child(6n+1){ border-top-color:var(--teal); }
.card:nth-child(6n+2){ border-top-color:var(--coral); }
.card:nth-child(6n+3){ border-top-color:var(--gold); }
.card:nth-child(6n+4){ border-top-color:var(--violet); }
.card:nth-child(6n+5){ border-top-color:var(--sky); }
.card:nth-child(6n+6){ border-top-color:var(--teal-2); }
.card .num{
  font-family:'IBM Plex Mono', monospace;
  color:var(--coral);
  font-size:.8rem;
  letter-spacing:.08em;
  font-weight:700;
}
.card h3{ margin-top:8px; }
.card p{ color:var(--muted); margin-bottom:8px; }
.card a.card-link{ font-weight:700; font-size:.92rem; }

.icon-badge{
  width:52px; height:52px; border-radius:16px;
  display:flex; align-items:center; justify-content:center;
  font-family:'Source Serif 4', serif; font-weight:700; font-size:1.2rem;
  margin-bottom:16px;
  color:#fff;
  box-shadow:0 8px 18px rgba(0,0,0,.15);
}
.card:nth-child(6n+1) .icon-badge{ background:linear-gradient(135deg, var(--teal), var(--teal-2)); }
.card:nth-child(6n+2) .icon-badge{ background:linear-gradient(135deg, var(--coral), #D8543A); }
.card:nth-child(6n+3) .icon-badge{ background:linear-gradient(135deg, var(--gold), #CC9328); color:var(--navy); }
.card:nth-child(6n+4) .icon-badge{ background:linear-gradient(135deg, var(--violet), #5C4680); }
.card:nth-child(6n+5) .icon-badge{ background:linear-gradient(135deg, var(--sky), #2B6E9E); }
.card:nth-child(6n+6) .icon-badge{ background:linear-gradient(135deg, var(--teal-2), var(--teal)); }

/* Stats strip */
.stats-strip{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:20px; }
.stat{
  text-align:left; background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.18);
  border-radius:14px; padding:20px 24px; flex:1; min-width:160px;
}
.stat .num{ font-family:'Source Serif 4', serif; font-size:2.3rem; color:var(--gold); display:block; }
.stat .label{ font-family:'IBM Plex Mono', monospace; font-size:.75rem; letter-spacing:.06em; text-transform:uppercase; color:#C9D9E8; }

/* Process / steps */
.steps{ list-style:none; padding:0; margin:0; display:grid; gap:16px; }
.step{
  display:flex; gap:20px; padding:24px; background:var(--paper); border-radius:var(--radius);
  box-shadow:var(--shadow); border-left:5px solid var(--teal);
}
.step:nth-child(4n+1){ border-left-color:var(--teal); }
.step:nth-child(4n+2){ border-left-color:var(--coral); }
.step:nth-child(4n+3){ border-left-color:var(--gold); }
.step:nth-child(4n+4){ border-left-color:var(--violet); }
.step .step-num{
  font-family:'IBM Plex Mono', monospace;
  color:#fff; font-weight:800; font-size:1.1rem;
  width:44px; height:44px; flex-shrink:0; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background:var(--navy);
}
.step:nth-child(1) .step-num::before{ content:"01"; }
.step:nth-child(2) .step-num::before{ content:"02"; }
.step:nth-child(3) .step-num::before{ content:"03"; }
.step:nth-child(4) .step-num::before{ content:"04"; }

/* Table (used for journal categories) */
.table-wrap{ overflow-x:auto; border-radius:var(--radius); box-shadow:var(--shadow); }
table.index-table{ width:100%; border-collapse:collapse; background:var(--paper); }
table.index-table th, table.index-table td{ text-align:left; padding:16px 18px; border-bottom:1px solid var(--line); font-size:.95rem; }
table.index-table th{ font-family:'IBM Plex Mono', monospace; font-size:.76rem; letter-spacing:.06em; text-transform:uppercase; color:#fff; background:var(--navy); }
table.index-table tr:nth-child(even) td{ background:#F7F9FC; }
table.index-table tr:hover td{ background:#EAF6F5; }

/* Testimonials */
.testi{ background:var(--paper); border:1px solid var(--line); border-radius:var(--radius); padding:26px; box-shadow:var(--shadow); position:relative; }
.testi::before{ content:"“"; font-family:'Source Serif 4', serif; font-size:3.4rem; color:var(--gold); position:absolute; top:6px; left:16px; line-height:1; opacity:.5; }
.testi p.quote{ font-style:italic; color:var(--ink); position:relative; z-index:1; padding-top:14px; }
.testi .who{ font-family:'IBM Plex Mono', monospace; font-size:.8rem; color:var(--coral); font-weight:700; margin-top:12px; }
.testi:nth-child(3n+1){ border-top:4px solid var(--teal); }
.testi:nth-child(3n+2){ border-top:4px solid var(--coral); }
.testi:nth-child(3n+3){ border-top:4px solid var(--gold); }

/* CTA band */
.cta-band{
  background:linear-gradient(120deg, var(--coral), #D8543A 45%, var(--gold));
  color:#fff; border-radius:20px; padding:46px 40px;
  display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap;
  box-shadow:var(--shadow-lg);
}
.cta-band h3{ color:#fff; margin-bottom:6px; }
.cta-band p{ color:#FFF0EA; margin:0; }
.cta-band .btn-gold{ background:#fff; color:var(--coral); }
.cta-band .btn-gold:hover{ background:#FFF3EC; }

/* Forms */
.form-card{ background:var(--paper); border:1px solid var(--line); border-top:5px solid var(--teal); border-radius:20px; padding:34px; box-shadow:var(--shadow-lg); }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
@media (max-width:600px){ .form-row{ grid-template-columns:1fr; } }
.field{ margin-bottom:18px; }
.field label{ display:block; font-weight:700; font-size:.88rem; margin-bottom:6px; color:var(--navy); }
.field input, .field select, .field textarea{
  width:100%; padding:13px 15px; border:2px solid var(--line); border-radius:10px;
  font-family:'Inter', sans-serif; font-size:.96rem; background:#FAFBFD; color:var(--ink);
  transition:border-color .15s ease, background .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color:var(--teal); background:#fff; }
.field textarea{ resize:vertical; min-height:130px; }
.form-note{ font-size:.82rem; color:var(--muted); }
.alert{ padding:14px 18px; border-radius:10px; margin-bottom:20px; font-size:.95rem; font-weight:600; }
.alert-success{ background:#E1F5EA; color:#1E6B44; border:1px solid #A9E2C1; }
.alert-error{ background:#FDE7E4; color:#9B2C2C; border:1px solid #F4B4AC; }

/* Contact info cards */
.contact-info-item{ display:flex; gap:16px; align-items:flex-start; margin-bottom:20px; background:var(--paper); padding:18px 20px; border-radius:14px; box-shadow:var(--shadow); }
.contact-info-item .ico{
  width:46px; height:46px; border-radius:12px; background:linear-gradient(135deg, var(--gold), #CC9328); color:var(--navy);
  display:flex; align-items:center; justify-content:center; flex-shrink:0; font-weight:700; font-size:1.2rem;
}

/* Blog */
.blog-card{ background:var(--paper); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); }
.blog-card .blog-body{ padding:26px; }
.blog-tag{
  display:inline-block; font-family:'IBM Plex Mono', monospace; font-size:.7rem; letter-spacing:.06em; text-transform:uppercase;
  background:var(--teal); color:#fff; padding:5px 12px; border-radius:20px; margin-right:6px; margin-bottom:10px; font-weight:700;
}
.blog-tag:nth-of-type(2n){ background:var(--coral); }
.blog-tag:nth-of-type(3n){ background:var(--violet); }
article.post{ background:var(--paper); border:1px solid var(--line); border-top:5px solid var(--gold); border-radius:20px; padding:40px; margin-bottom:44px; box-shadow:var(--shadow-lg); }
article.post .meta{ font-family:'IBM Plex Mono', monospace; font-size:.8rem; color:var(--muted); margin-bottom:10px; }
article.post h2{ margin-bottom:12px; }
article.post h3{ margin-top:28px; color:var(--teal-2); }
article.post ul{ color:var(--ink); }
.toc{ background:linear-gradient(120deg, #EAF6F5, #F7F9FC); border:1px solid var(--line); border-radius:14px; padding:20px 24px; margin:22px 0; font-size:.92rem; box-shadow:var(--shadow); }
.toc strong{ color:var(--navy); }

/* Breadcrumb */
.breadcrumb{ font-family:'IBM Plex Mono', monospace; font-size:.78rem; color:var(--muted); padding:16px 0; }
.breadcrumb a{ color:var(--coral); }

/* Footer */
footer.site-footer{ background:linear-gradient(160deg, var(--navy), #0B1E33); color:#C9D3DD; padding:60px 0 24px; border-top:4px solid var(--gold); }
footer.site-footer h4{ color:var(--gold); font-family:'IBM Plex Mono', monospace; font-size:.8rem; letter-spacing:.08em; text-transform:uppercase; margin-bottom:16px; }
footer.site-footer ul{ list-style:none; padding:0; margin:0; }
footer.site-footer li{ margin-bottom:10px; }
footer.site-footer a{ color:#C9D3DD; }
footer.site-footer a:hover{ color:var(--coral); }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:36px; }
@media (max-width:900px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:600px){ .footer-grid{ grid-template-columns:1fr; } }
.footer-bottom{ border-top:1px solid rgba(255,255,255,.14); margin-top:40px; padding-top:20px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:.82rem; color:#8FA2B3; }
.footer-brand-mark{ width:42px;height:42px;border-radius:50%; background:linear-gradient(135deg, var(--teal), var(--sky)); border:2px dashed var(--gold); display:flex;align-items:center;justify-content:center; font-family:'Source Serif 4',serif; font-weight:700; color:#fff; margin-bottom:14px; }

/* Floating WhatsApp button */
.float-whatsapp{
  position:fixed; bottom:22px; right:22px; z-index:60;
  background:linear-gradient(135deg, #25D366, #1FAF57); color:#fff; width:58px; height:58px; border-radius:50%;
  display:flex; align-items:center; justify-content:center; box-shadow:0 10px 24px rgba(0,0,0,.3);
  font-size:1.6rem;
}
.float-whatsapp:hover{ text-decoration:none; color:#fff; transform:scale(1.08); }

/* Utility */
.text-center{ text-align:center; }
.mt-0{ margin-top:0; }
.mb-0{ margin-bottom:0; }
.small{ font-size:.85rem; color:var(--muted); }
.divider{ height:1px; background:var(--line); margin:36px 0; border:none; }