:root {
  --essu-green-dark: #0b3d1e;
  --essu-green: #14542c;
  --essu-green-light: #1e7a40;
  --essu-gold: #f4b400;
  --essu-gold-dark: #d99a00;
  --essu-gray-bg: #eef0ee;
  --text-dark: #1a1a1a;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--text-dark);
  background: #fff;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  max-width: 100%;
}

/* ---------- Top brand bar ---------- */
.brand-bar {
  background: linear-gradient(90deg, var(--essu-green-dark), var(--essu-green));
  color: #fff;
  text-align: center;
  padding: 18px 10px 14px;
}

.brand-bar .seal {
  width: 72px;
  height: 72px;
  object-fit: contain;
  margin: 0 auto 6px;
  display: block;
  image-rendering: -webkit-optimize-contrast;
}

.brand-bar h1 {
  font-size: 1.4rem;
  letter-spacing: 1px;
  color: var(--essu-gold);
  text-transform: uppercase;
}

.brand-bar .tagline {
  font-size: 0.75rem;
  letter-spacing: 3px;
  color: #d8e6da;
  margin-top: 2px;
}

/* ---------- Nav ---------- */
.navbar {
  background: #eef0ee;
  border-bottom: 1px solid #d8dbd8;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  padding: 0 30px;
}

.navbar .nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  margin-right: auto;
}

.navbar .nav-logo .seal-sm {
  width: 46px;
  height: 46px;
  object-fit: contain;
}

.navbar .nav-logo .title-block .sys-title {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--essu-green-dark);
}

.navbar .nav-logo .title-block .sys-sub {
  font-size: 0.75rem;
  color: #4a4a4a;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
  flex-wrap: wrap;
}

.nav-links li a {
  font-weight: 600;
  color: #2b2b2b;
  padding: 18px 0;
  display: inline-block;
  border-bottom: 3px solid transparent;
  transition: 0.2s;
}

.nav-links li a:hover,
.nav-links li a.active {
  color: var(--essu-green);
  border-bottom-color: var(--essu-gold);
}

.nav-links li a.btn-account {
  background: var(--essu-green);
  color: #fff;
  padding: 8px 16px;
  border-radius: 4px;
  border-bottom: none;
}

.nav-links li a.btn-account:hover {
  background: var(--essu-green-dark);
}

/* ---------- Hero ---------- */
.hero {
  background-color: var(--essu-green-dark);
  color: #fff;
  padding: 70px 30px;
}

.hero-grid {
  max-width: 1150px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.hero h2 {
  font-size: 2.3rem;
  font-weight: 700;
}

.hero h2 .version {
  color: var(--essu-gold);
  font-size: 1.3rem;
  font-weight: 400;
}

.hero p.lead {
  margin-top: 10px;
  color: #d8e6da;
  font-size: 1.05rem;
}

.hero ul {
  list-style: none;
  margin-top: 28px;
}

.hero ul li {
  margin-bottom: 16px;
  font-weight: 600;
  font-size: 1.02rem;
}

.hero ul li label {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.hero ul li .dot-check {
  -webkit-appearance: none;
  appearance: none;
  margin: 0;
  width: 18px;
  height: 18px;
  border: 2px solid var(--essu-gold);
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.hero ul li .dot-check:hover {
  border-color: #fff;
}

.hero ul li .dot-check:checked {
  background: var(--essu-gold);
}

.hero ul li .dot-check:checked::after {
  content: "\2713";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 11px;
  font-weight: 700;
  color: var(--essu-green-dark);
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  gap: 36px;
}

.hero-actions .action-label {
  font-size: 0.85rem;
  color: #cfe3d2;
  margin-bottom: 8px;
}

.btn {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 4px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(0,0,0,0.25);
}

.btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(0,0,0,0.25);
}

.btn-gold {
  background: var(--essu-gold);
  color: var(--essu-green-dark);
}

.btn-gold:hover {
  background: var(--essu-gold-dark);
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 2px solid #fff;
}

.btn-outline-light:hover {
  background: #fff;
  color: var(--essu-green-dark);
}

.hero-image {
  background: #fff;
  border-radius: 6px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}

.hero-image .checklist {
  list-style: none;
}

.hero-image .checklist li {
  padding: 10px 4px;
  font-size: 1.1rem;
  color: #333;
  font-weight: 600;
}

.hero-image .checklist li label {
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
}

.hero-image .checklist .rate-box {
  -webkit-appearance: none;
  appearance: none;
  margin: 0;
  width: 26px;
  height: 26px;
  border: 2px solid #333;
  border-radius: 3px;
  flex-shrink: 0;
  position: relative;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.hero-image .checklist .rate-box:hover {
  border-color: var(--essu-green);
}

.hero-image .checklist .rate-box:checked {
  background: var(--essu-green);
  border-color: var(--essu-green);
}

.hero-image .checklist .rate-box:checked::after {
  content: "\2713";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 15px;
  font-weight: 700;
  color: #fff;
}

/* ---------- Roles section ---------- */
.roles {
  max-width: 1150px;
  margin: 0 auto;
  padding: 60px 30px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.role-card .role-icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  margin-bottom: 12px;
}

.role-card h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
  color: var(--essu-green-dark);
}

.role-card p {
  color: #555;
  font-size: 0.95rem;
}

.icon-green { background: #1e9e4a; }
.icon-red { background: #d6453d; }
.icon-gold { background: var(--essu-gold); }
.icon-dark { background: #2b2b2b; }

/* ---------- Generic page sections (About / FAQ / Contact) ---------- */
.page-banner {
  background: linear-gradient(90deg, var(--essu-green-dark), var(--essu-green));
  color: #fff;
  padding: 40px 30px;
  text-align: center;
}

.page-banner h2 {
  font-size: 2rem;
}

.page-banner p {
  color: #d8e6da;
  margin-top: 6px;
}

.content-section {
  max-width: 950px;
  margin: 0 auto;
  padding: 50px 30px;
}

.content-section h3 {
  color: var(--essu-green-dark);
  margin-bottom: 14px;
  font-size: 1.3rem;
}

.content-section p,
.content-section li {
  color: #444;
  line-height: 1.7;
  margin-bottom: 14px;
}

.faq-item {
  border-bottom: 1px solid #e0e0e0;
  padding: 18px 0;
}

.faq-item h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info .info-item {
  margin-bottom: 18px;
}

.contact-info .info-item strong {
  display: block;
  color: var(--essu-green-dark);
}

/* ---------- Forms (login / register) ---------- */
.auth-wrap {
  min-height: calc(100vh - 230px);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--essu-gray-bg);
  padding: 50px 20px;
}

.auth-card {
  background: #fff;
  width: 100%;
  max-width: 420px;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  border-top: 6px solid var(--essu-gold);
  padding: 36px 34px;
}

.auth-card h2 {
  color: var(--essu-green-dark);
  font-size: 1.5rem;
  margin-bottom: 6px;
}

.auth-card .sub {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: 6px;
  color: #2b2b2b;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 0.95rem;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--essu-green);
}

.btn-block {
  width: 100%;
  padding: 12px;
  background: var(--essu-green);
  color: #fff;
  font-weight: 700;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn-block:hover {
  background: var(--essu-green-dark);
}

.auth-footer-link {
  text-align: center;
  margin-top: 18px;
  font-size: 0.9rem;
  color: #555;
}

.auth-footer-link a {
  color: var(--essu-green);
  font-weight: 700;
}

.alert {
  padding: 10px 14px;
  border-radius: 4px;
  font-size: 0.88rem;
  margin-bottom: 16px;
}

.alert-error {
  background: #fdecea;
  color: #a02f29;
  border: 1px solid #f3c2bd;
}

.alert-success {
  background: #e7f6ec;
  color: #1e7a40;
  border: 1px solid #b9e3c6;
}

/* ---------- Dashboard ---------- */
.dash-wrap {
  max-width: 1000px;
  margin: 0 auto;
  padding: 50px 30px;
}

.dash-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  flex-wrap: wrap;
  gap: 16px;
}

.dash-header h2 {
  color: var(--essu-green-dark);
}

.dash-header .role-badge {
  background: var(--essu-gold);
  color: var(--essu-green-dark);
  padding: 4px 12px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
}

.dash-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
}

.dash-card {
  background: #fff;
  border: 1px solid #e3e3e3;
  border-left: 5px solid var(--essu-green);
  border-radius: 6px;
  padding: 22px;
}

.dash-card h4 {
  color: var(--essu-green-dark);
  margin-bottom: 8px;
}

.dash-card p {
  color: #666;
  font-size: 0.9rem;
}

.btn-logout {
  background: transparent;
  border: 2px solid var(--essu-green);
  color: var(--essu-green);
  padding: 8px 18px;
  border-radius: 4px;
  font-weight: 700;
  cursor: pointer;
}

.btn-logout:hover {
  background: var(--essu-green);
  color: #fff;
}

/* ---------- Footer ---------- */
footer {
  background: var(--essu-green-dark);
  color: #cfe3d2;
  text-align: center;
  padding: 22px 20px;
  font-size: 0.85rem;
}

footer strong {
  color: #fff;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .roles {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .navbar {
    padding: 0 16px;
  }
  .nav-links {
    gap: 14px;
  }
  .roles {
    grid-template-columns: 1fr;
  }
  .hero {
    padding: 40px 18px;
  }
}