/* =============================================
   99RESEARCHES.COM — Main Stylesheet
   Scholarly Publishing Platform
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=Source+Sans+3:wght@300;400;500;600&display=swap');

/* ── CSS Variables ─────────────────────────── */
:root {
  --green-dark:   #1a6b2e;
  --green-mid:    #228b3a;
  --green-light:  #2db84a;
  --green-pale:   #e8f5ec;
  --gold:         #c8920a;
  --gold-light:   #f0b429;
  --charcoal:     #1c2526;
  --gray-dark:    #3a3a3a;
  --gray-mid:     #6b7280;
  --gray-light:   #d1d5db;
  --gray-pale:    #f4f6f8;
  --white:        #ffffff;
  --shadow-sm:    0 2px 8px rgba(0,0,0,.08);
  --shadow-md:    0 6px 24px rgba(0,0,0,.12);
  --shadow-lg:    0 12px 40px rgba(0,0,0,.16);
  --radius:       8px;
  --radius-lg:    14px;
  --font-head:    'Playfair Display', Georgia, serif;
  --font-body:    'Source Sans 3', 'Segoe UI', sans-serif;
  --transition:   0.25s ease;
}

/* ── Reset ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); color: var(--gray-dark); background: var(--white); line-height: 1.6; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ── Top Bar ────────────────────────────────── */
.top-bar {
  background: var(--charcoal);
  color: #aaa;
  font-size: 13px;
  padding: 6px 0;
}
.top-bar .container { display: flex; justify-content: space-between; align-items: center; }
.top-bar a { color: #ccc; }
.top-bar a:hover { color: var(--green-light); }

/* ── Navigation ─────────────────────────────── */
.navbar {
  background: var(--white);
  border-bottom: 3px solid var(--green-dark);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon {
  width: 52px; height: 52px;
  background: var(--green-dark);
  color: var(--white);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
}
.logo-text { line-height: 1.2; }
.logo-text .name { font-family: var(--font-head); font-size: 22px; font-weight: 700; color: var(--green-dark); }
.logo-text .tagline { font-size: 11px; color: var(--gray-mid); letter-spacing: .5px; text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links > li { position: relative; }
.nav-links > li > a {
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--charcoal);
  border-radius: var(--radius);
  transition: var(--transition);
  display: flex; align-items: center; gap: 4px;
}
.nav-links > li > a:hover,
.nav-links > li > a.active { background: var(--green-pale); color: var(--green-dark); }

/* Dropdown */
.dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-top: 3px solid var(--green-dark);
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--shadow-md);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: var(--transition);
  z-index: 999;
}
.nav-links > li:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu li a {
  display: block;
  padding: 10px 18px;
  font-size: 13.5px;
  color: var(--gray-dark);
  transition: var(--transition);
  border-bottom: 1px solid var(--gray-pale);
}
.dropdown-menu li a:hover { background: var(--green-pale); color: var(--green-dark); padding-left: 24px; }

.nav-actions { display: flex; gap: 8px; align-items: center; }
.btn-nav-sign   { padding: 8px 20px; border-radius: 20px; font-size: 13.5px; font-weight: 600; }
.btn-nav-sign.outline { border: 2px solid var(--green-dark); color: var(--green-dark); transition: var(--transition); }
.btn-nav-sign.outline:hover { background: var(--green-dark); color: #fff; }
.btn-nav-sign.solid { background: var(--green-dark); color: #fff; border: 2px solid var(--green-dark); transition: var(--transition); }
.btn-nav-sign.solid:hover { background: var(--green-mid); }
.phone-badge { display: flex; align-items: center; gap: 6px; color: var(--green-dark); font-weight: 700; font-size: 15px; }

/* ── Container ──────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ── Hero Section ───────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--green-dark) 0%, #0f3d1c 60%, var(--charcoal) 100%);
  color: var(--white);
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.25); padding: 6px 16px; border-radius: 20px; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 20px; }
.hero h1 { font-family: var(--font-head); font-size: 46px; line-height: 1.15; margin-bottom: 20px; }
.hero h1 span { color: var(--gold-light); }
.hero p { font-size: 17px; opacity: .85; margin-bottom: 32px; max-width: 480px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-hero-primary { background: var(--gold); color: #fff; padding: 14px 30px; border-radius: 30px; font-weight: 700; font-size: 15px; transition: var(--transition); box-shadow: 0 4px 16px rgba(200,146,10,.4); }
.btn-hero-primary:hover { background: var(--gold-light); transform: translateY(-2px); }
.btn-hero-secondary { border: 2px solid rgba(255,255,255,.4); color: #fff; padding: 14px 30px; border-radius: 30px; font-weight: 600; font-size: 15px; transition: var(--transition); }
.btn-hero-secondary:hover { background: rgba(255,255,255,.12); }
.hero-stats { display: flex; gap: 30px; margin-top: 40px; }
.stat-item { text-align: center; }
.stat-num { font-family: var(--font-head); font-size: 32px; font-weight: 700; color: var(--gold-light); }
.stat-label { font-size: 12px; opacity: .7; text-transform: uppercase; letter-spacing: .8px; }
.hero-card { background: rgba(255,255,255,.08); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,.15); border-radius: var(--radius-lg); padding: 32px; }
.hero-card h3 { font-family: var(--font-head); font-size: 22px; margin-bottom: 20px; color: var(--gold-light); }
.role-list { display: flex; flex-direction: column; gap: 12px; }
.role-item { display: flex; align-items: center; gap: 14px; padding: 14px 18px; background: rgba(255,255,255,.06); border-radius: var(--radius); border-left: 3px solid var(--green-light); transition: var(--transition); cursor: pointer; }
.role-item:hover { background: rgba(255,255,255,.12); transform: translateX(4px); }
.role-icon { font-size: 22px; }
.role-info .role-title { font-weight: 700; font-size: 15px; }
.role-info .role-desc { font-size: 12px; opacity: .7; }
.role-arrow { margin-left: auto; opacity: .5; }

/* ── Section Titles ─────────────────────────── */
.section-title { text-align: center; margin-bottom: 48px; }
.section-title .label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; color: var(--green-dark); margin-bottom: 10px; display: block; }
.section-title h2 { font-family: var(--font-head); font-size: 34px; color: var(--charcoal); margin-bottom: 14px; }
.section-title p { color: var(--gray-mid); max-width: 560px; margin: 0 auto; font-size: 16px; }
.divider { width: 60px; height: 4px; background: var(--green-dark); border-radius: 2px; margin: 14px auto 0; }

/* ── Cards / Features ───────────────────────── */
.section { padding: 72px 0; }
.section.bg-pale { background: var(--gray-pale); }

.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-top: 4px solid var(--green-dark);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
}
.feature-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.feature-icon { width: 52px; height: 52px; background: var(--green-pale); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 18px; }
.feature-card h4 { font-family: var(--font-head); font-size: 19px; margin-bottom: 10px; color: var(--charcoal); }
.feature-card p { color: var(--gray-mid); font-size: 14.5px; line-height: 1.65; }

/* ── Join Roles Section ─────────────────────── */
.roles-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.role-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  border: 2px solid var(--gray-light);
  transition: var(--transition);
  cursor: pointer;
}
.role-card:hover { border-color: var(--green-dark); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.role-card .icon { font-size: 36px; margin-bottom: 14px; }
.role-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 8px; color: var(--charcoal); }
.role-card p { font-size: 12.5px; color: var(--gray-mid); line-height: 1.55; margin-bottom: 16px; }
.role-card .btn-join { display: inline-block; padding: 8px 18px; background: var(--green-dark); color: #fff; border-radius: 20px; font-size: 13px; font-weight: 600; transition: var(--transition); }
.role-card .btn-join:hover { background: var(--green-light); }

/* ── Articles List ──────────────────────────── */
.articles-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.article-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-lg);
  padding: 26px;
  transition: var(--transition);
}
.article-card:hover { box-shadow: var(--shadow-md); border-color: var(--green-light); }
.article-tag { display: inline-block; padding: 3px 12px; background: var(--green-pale); color: var(--green-dark); font-size: 11.5px; font-weight: 700; border-radius: 20px; margin-bottom: 12px; letter-spacing: .5px; text-transform: uppercase; }
.article-card h4 { font-family: var(--font-head); font-size: 18px; margin-bottom: 10px; color: var(--charcoal); line-height: 1.35; }
.article-card p { color: var(--gray-mid); font-size: 13.5px; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.article-meta { display: flex; gap: 14px; font-size: 12.5px; color: var(--gray-mid); }
.article-meta span { display: flex; align-items: center; gap: 4px; }
.btn-read { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; color: var(--green-dark); font-weight: 600; font-size: 14px; transition: var(--transition); }
.btn-read:hover { gap: 10px; }

/* ── Forms ──────────────────────────────────── */
.form-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 44px 40px;
  max-width: 520px;
  margin: 0 auto;
  border-top: 5px solid var(--green-dark);
}
.form-card h2 { font-family: var(--font-head); font-size: 28px; color: var(--charcoal); margin-bottom: 6px; }
.form-card p  { color: var(--gray-mid); font-size: 14px; margin-bottom: 28px; }
.form-group   { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13.5px; font-weight: 600; color: var(--charcoal); margin-bottom: 6px; }
.form-group label .req { color: #e53e3e; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--gray-light);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 14.5px;
  color: var(--gray-dark);
  transition: var(--transition);
  background: var(--white);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green-dark);
  box-shadow: 0 0 0 3px rgba(26,107,46,.1);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.btn-submit {
  width: 100%;
  padding: 13px;
  background: var(--green-dark);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 700;
  font-family: var(--font-body);
  cursor: pointer;
  transition: var(--transition);
  margin-top: 8px;
}
.btn-submit:hover { background: var(--green-mid); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(26,107,46,.3); }
.form-footer { text-align: center; font-size: 13.5px; color: var(--gray-mid); margin-top: 18px; }
.form-footer a { color: var(--green-dark); font-weight: 600; }

/* ── Dashboard Layout ───────────────────────── */
.dashboard-wrapper { display: flex; min-height: calc(100vh - 80px); }
.sidebar {
  width: 260px;
  background: var(--charcoal);
  color: var(--white);
  padding: 24px 0;
  flex-shrink: 0;
  position: sticky;
  top: 80px;
  height: calc(100vh - 80px);
  overflow-y: auto;
}
.sidebar-profile { padding: 0 20px 24px; border-bottom: 1px solid rgba(255,255,255,.1); margin-bottom: 12px; }
.sidebar-avatar { width: 52px; height: 52px; background: var(--green-dark); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 10px; }
.sidebar-name { font-weight: 700; font-size: 15px; }
.sidebar-role { font-size: 12px; color: var(--green-light); text-transform: uppercase; letter-spacing: .8px; }
.sidebar-nav a {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 20px;
  color: rgba(255,255,255,.75);
  font-size: 14px;
  transition: var(--transition);
  border-left: 3px solid transparent;
}
.sidebar-nav a:hover,
.sidebar-nav a.active {
  background: rgba(255,255,255,.07);
  color: var(--white);
  border-left-color: var(--green-light);
}
.sidebar-nav .section-label { padding: 18px 20px 6px; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: rgba(255,255,255,.35); }

.main-content { flex: 1; padding: 32px; background: var(--gray-pale); }
.page-header { margin-bottom: 28px; }
.page-header h1 { font-family: var(--font-head); font-size: 28px; color: var(--charcoal); }
.page-header p  { color: var(--gray-mid); font-size: 14px; }

/* ── Stat Cards (Dashboard) ─────────────────── */
.stats-row  { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 28px; }
.stat-card  { background: var(--white); border-radius: var(--radius-lg); padding: 22px 24px; border-left: 5px solid var(--green-dark); box-shadow: var(--shadow-sm); }
.stat-card .num   { font-family: var(--font-head); font-size: 34px; font-weight: 700; color: var(--green-dark); }
.stat-card .label { font-size: 13px; color: var(--gray-mid); margin-top: 4px; }
.stat-card.gold   { border-left-color: var(--gold); }
.stat-card.gold .num { color: var(--gold); }

/* ── Tables ─────────────────────────────────── */
.table-card { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); overflow: hidden; }
.table-header { padding: 18px 24px; border-bottom: 1px solid var(--gray-light); display: flex; justify-content: space-between; align-items: center; }
.table-header h3 { font-size: 17px; font-weight: 700; color: var(--charcoal); }
table { width: 100%; border-collapse: collapse; }
thead th { background: var(--green-pale); padding: 12px 16px; text-align: left; font-size: 12.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--green-dark); }
tbody tr { border-bottom: 1px solid var(--gray-pale); transition: var(--transition); }
tbody tr:hover { background: var(--gray-pale); }
tbody td { padding: 13px 16px; font-size: 14px; color: var(--gray-dark); }

/* ── Status Badges ──────────────────────────── */
.badge { display: inline-block; padding: 3px 12px; border-radius: 20px; font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .4px; }
.badge.submitted    { background: #e0f0ff; color: #1d6fa4; }
.badge.review       { background: #fff3cd; color: #856404; }
.badge.accepted     { background: #d4edda; color: #155724; }
.badge.rejected     { background: #f8d7da; color: #721c24; }
.badge.published    { background: var(--green-pale); color: var(--green-dark); }
.badge.pending      { background: #fff3cd; color: #856404; }
.badge.revision     { background: #ffe5d0; color: #7c4700; }

/* ── Buttons ────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 20px; border-radius: var(--radius); font-size: 14px; font-weight: 600; cursor: pointer; border: none; transition: var(--transition); font-family: var(--font-body); }
.btn-primary  { background: var(--green-dark); color: #fff; }
.btn-primary:hover  { background: var(--green-mid); }
.btn-secondary{ background: var(--gray-pale); color: var(--charcoal); border: 1px solid var(--gray-light); }
.btn-secondary:hover{ background: var(--gray-light); }
.btn-danger   { background: #dc3545; color: #fff; }
.btn-danger:hover   { background: #c82333; }
.btn-sm { padding: 6px 14px; font-size: 12.5px; }

/* ── Alerts ─────────────────────────────────── */
.alert { padding: 14px 18px; border-radius: var(--radius); font-size: 14px; margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.alert-success { background: #d4edda; color: #155724; border-left: 4px solid #28a745; }
.alert-error   { background: #f8d7da; color: #721c24; border-left: 4px solid #dc3545; }
.alert-info    { background: #d1ecf1; color: #0c5460; border-left: 4px solid #17a2b8; }
.alert-warning { background: #fff3cd; color: #856404; border-left: 4px solid #ffc107; }

/* ── Footer ─────────────────────────────────── */
footer {
  background: var(--charcoal);
  color: rgba(255,255,255,.7);
  padding: 56px 0 0;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo-text .name { color: var(--white); font-size: 20px; }
.footer-brand p { font-size: 14px; margin-top: 14px; line-height: 1.7; max-width: 280px; }
footer h4 { color: var(--white); font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 18px; }
footer ul li { margin-bottom: 10px; }
footer ul li a { font-size: 13.5px; transition: var(--transition); }
footer ul li a:hover { color: var(--green-light); padding-left: 6px; }
.footer-contact p { font-size: 13.5px; display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 18px 0; display: flex; justify-content: space-between; align-items: center; font-size: 13px; }
.footer-bottom a { color: var(--green-light); }

/* ── Responsive ─────────────────────────────── */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .roles-grid    { grid-template-columns: repeat(3, 1fr); }
  .articles-grid { grid-template-columns: 1fr; }
  .stats-row     { grid-template-columns: repeat(2, 1fr); }
  .footer-grid   { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .hero-inner    { grid-template-columns: 1fr; }
  .hero h1       { font-size: 32px; }
  .nav-links, .nav-actions { display: none; }
  .features-grid, .roles-grid { grid-template-columns: 1fr; }
  .dashboard-wrapper { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: relative; }
  .form-row { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr 1fr; }
}