:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-2: #eef3fb;
  --text: #172033;
  --muted: #5c6b85;
  --primary: #1d6ef0;
  --primary-2: #164fbf;
  --accent: #0aa0a7;
  --danger: #cc334f;
  --success: #177d4f;
  --border: #d9e2f2;
  --shadow: 0 10px 24px rgba(18, 38, 73, 0.08);
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --spacing-sm: 0.5rem;
  --spacing-md: 0.9rem;
  --spacing-lg: 1.2rem;
  --spacing-xl: 1.8rem;
  --spacing-2xl: 2.8rem;
  --text-sm: 0.88rem;
  --text-md: 1rem;
  --text-lg: 1.15rem;
  --text-xl: 1.45rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  color: var(--text);
  font-family: "Manrope", "Segoe UI", Arial, sans-serif;
  font-size: var(--text-md);
  line-height: 1.6;
  background:
    radial-gradient(circle at 0% 0%, #dbe8ff 0, transparent 28%),
    radial-gradient(circle at 100% 0%, #d6f2f2 0, transparent 30%),
    var(--bg);
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  color: var(--primary-2);
}

.container {
  width: min(1140px, 92vw);
  margin: 0 auto;
}

.main-content {
  min-height: 60vh;
}

.section {
  margin: var(--spacing-xl) 0;
}

.page-hero {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(140deg, #0f3f95 0%, #1d6ef0 45%, #0aa0a7 100%);
  color: #f3f7ff;
  box-shadow: var(--shadow);
  padding: 3rem 2rem;
  text-align: center;
}

.page-hero.page-hero-left {
  text-align: left;
}

.page-hero h1 {
  margin: 0 0 0.6rem;
  font-family: "Sora", "Manrope", sans-serif;
  font-size: clamp(1.6rem, 3.3vw, 2.6rem);
  letter-spacing: -0.03em;
}

.page-hero p {
  margin: 0;
  color: rgba(247, 251, 255, 0.9);
}

.hero-actions {
  margin-top: 1.1rem;
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  flex-wrap: wrap;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(205, 217, 236, 0.9);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  background: rgba(250, 252, 255, 0.82);
}

.header-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
  gap: 0.8rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text);
  font-family: "Sora", "Manrope", sans-serif;
  font-weight: 700;
}

.brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.site-nav {
  display: flex;
  gap: 0.85rem;
  align-items: center;
}

.site-nav > a,
.nav-dropdown-toggle {
  color: var(--text);
  font-weight: 600;
  border: 1px solid transparent;
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
}

.site-nav > a.active,
.site-nav > a:hover,
.nav-dropdown-toggle:hover {
  border-color: #b8cef3;
  background: #e9f1ff;
}

.has-dropdown {
  position: relative;
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: min(320px, 78vw);
  max-height: 62vh;
  overflow: auto;
  display: none;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: var(--radius-md);
  padding: 0.35rem;
}

.has-dropdown.open .nav-dropdown {
  display: block;
}

.nav-dropdown a {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.58rem 0.62rem;
  border-radius: 10px;
  color: var(--text);
}

.nav-dropdown a:hover {
  background: var(--surface-2);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  margin: 4px auto;
}

.site-notice {
  border-bottom: 1px solid #f2d5aa;
  background: #fff6e6;
  color: #684818;
  text-align: center;
  padding: 0.55rem 1rem;
}

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.panel {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 1rem;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.35rem;
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: #eaf3ff;
  color: #1f5dc7;
  font-size: var(--text-sm);
  font-weight: 800;
}

.card-title {
  margin: 0;
  font-family: "Sora", "Manrope", sans-serif;
  font-size: 1.08rem;
}

.card-description {
  margin: 0.45rem 0 0;
  color: var(--muted);
}

.card-footer {
  margin-top: 0.9rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.stat-card h3 {
  margin: 0;
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-family: "Sora", "Manrope", sans-serif;
}

.stat-card p {
  margin: 0.2rem 0 0;
  color: var(--muted);
}

.section-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.8rem;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: #eef5ff;
  color: #164fbf;
  border: 1px solid #d5e4ff;
  font-size: var(--text-sm);
  font-weight: 600;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  border-radius: 11px;
  border: 1px solid transparent;
  font-weight: 700;
  padding: 0.6rem 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
}

.btn-primary:hover {
  filter: brightness(0.95);
  color: #fff;
}

.btn-outline {
  border-color: #b8cef3;
  background: #fff;
  color: var(--primary);
}

.btn-outline:hover {
  background: #eff5ff;
}

.btn-secondary {
  background: #173f8f;
  color: #fff;
}

.btn-small {
  padding: 0.45rem 0.8rem;
  font-size: var(--text-sm);
}

.btn-large {
  width: 100%;
  padding: 0.82rem 1rem;
}

.form-group {
  margin-bottom: 1rem;
}

label {
  display: block;
  font-weight: 700;
  margin-bottom: 0.45rem;
}

input,
select,
textarea {
  width: 100%;
  border-radius: 11px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  padding: 0.65rem 0.78rem;
  font-size: 0.97rem;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: #84b3fa;
  box-shadow: 0 0 0 4px rgba(29, 110, 240, 0.14);
}

.alert {
  border-radius: 11px;
  padding: 0.78rem 0.9rem;
  border: 1px solid transparent;
  margin-bottom: 1rem;
}

.alert-success {
  background: #e9f8f0;
  color: #10633f;
  border-color: #9cdcbc;
}

.alert-error {
  background: #fff0f3;
  color: #8f1f36;
  border-color: #f1adc0;
}

.file-upload {
  border: 2px dashed #b8cef3;
  background: #f8fbff;
  border-radius: var(--radius-md);
  text-align: center;
  padding: 1.2rem;
  cursor: pointer;
}

.file-upload.drag-over {
  border-color: var(--primary);
  background: #edf4ff;
}

.file-upload-icon {
  font-size: 1.35rem;
  margin-bottom: 0.2rem;
}

.download-block .hidden {
  display: none;
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.22rem 0.62rem;
  font-size: 0.78rem;
  font-weight: 700;
}

.badge-primary {
  background: #e9f1ff;
  color: #1b58be;
  border: 1px solid #caddfb;
}

.post-meta-row {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  align-items: center;
}

.post-date {
  color: var(--muted);
  font-size: var(--text-sm);
}

.back-link {
  display: inline-block;
  color: #d8e7ff;
  margin-bottom: 0.5rem;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
  padding: 0.9rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: #fff;
  margin-top: 2.5rem;
}

.footer-shell {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 1rem;
  padding: 1.5rem 0;
}

.footer-shell h3,
.footer-shell h4 {
  margin: 0 0 0.65rem;
  font-family: "Sora", "Manrope", sans-serif;
}

.footer-shell p {
  margin: 0 0 0.8rem;
  color: var(--muted);
}

.footer-shell ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-shell li {
  margin: 0.45rem 0;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 0.8rem 0 1rem;
  color: var(--muted);
}

.ad-space-container {
  width: min(1140px, 92vw);
  margin: 0.8rem auto;
}

.prose h2,
.prose h3 {
  margin-top: 1.2rem;
  margin-bottom: 0.45rem;
}

.prose p,
.prose ul,
.prose ol {
  color: #354562;
}

.prose ul,
.prose ol {
  padding-left: 1.1rem;
}

.tool-search {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 0.65rem;
}

.tools-category-block {
  scroll-margin-top: 82px;
}

@media (max-width: 980px) {
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-shell {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 70px;
    border-bottom: 1px solid var(--border);
    background: #fbfdff;
    padding: 0.8rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav.open {
    display: flex;
  }

  .has-dropdown .nav-dropdown {
    position: static;
    width: 100%;
    margin-top: 0.45rem;
  }

  .grid-3,
  .grid-2,
  .faq-grid,
  .stats-grid,
  .footer-shell,
  .tool-search {
    grid-template-columns: 1fr;
  }

  .page-hero {
    padding: 2.1rem 1.1rem;
  }
}

/* UI redesign: bold editorial look with warm accents and stronger depth */
:root {
  --bg: #f5f3ef;
  --surface: #fffdf9;
  --surface-2: #f4efe8;
  --text: #1b1b22;
  --muted: #595a67;
  --primary: #0f766e;
  --primary-2: #0b5e58;
  --accent: #c2410c;
  --border: #dfd6ca;
  --shadow: 0 12px 30px rgba(27, 27, 34, 0.09);
}

body {
  background:
    radial-gradient(circle at 12% 0%, rgba(15, 118, 110, 0.2) 0, transparent 28%),
    radial-gradient(circle at 88% 0%, rgba(194, 65, 12, 0.18) 0, transparent 30%),
    linear-gradient(180deg, #fbf9f5 0%, #f5f3ef 100%);
}

.site-header {
  border-bottom: 1px solid rgba(223, 214, 202, 0.9);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  background: rgba(251, 249, 245, 0.84);
}

.brand {
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  border: 1px solid #e8ddd0;
  background: rgba(255, 253, 249, 0.82);
}

.site-nav > a,
.nav-dropdown-toggle {
  border-radius: 10px;
}

.site-nav > a.active,
.site-nav > a:hover,
.nav-dropdown-toggle:hover {
  border-color: #d8c8b6;
  background: #f5ece1;
  color: #1b1b22;
}

.page-hero {
  position: relative;
  overflow: hidden;
  border: 1px solid #d7c7b7;
  background:
    linear-gradient(135deg, #113b55 0%, #0f766e 52%, #c2410c 100%);
  box-shadow: 0 18px 36px rgba(17, 59, 85, 0.22);
}

.page-hero::after {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  top: -170px;
  right: -120px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.26), transparent 70%);
  pointer-events: none;
}

.page-hero h1,
.page-hero p,
.hero-actions {
  position: relative;
  z-index: 1;
}

.link-more {
  color: var(--accent);
  font-weight: 700;
}

.card,
.panel {
  border-color: #e4dbcf;
  background: linear-gradient(180deg, #fffdf9 0%, #fefbf6 100%);
}

.card {
  transition: transform 0.18s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: #d9cab8;
  box-shadow: 0 18px 34px rgba(27, 27, 34, 0.12);
}

.card-icon {
  background: #f5ece1;
  color: #9a3412;
}

.chip {
  background: #f7ede2;
  border-color: #ead7c2;
  color: #8e3412;
}

.btn {
  border-radius: 10px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
}

.btn-outline {
  border-color: #d8c8b6;
  background: #fffcf8;
  color: var(--primary-2);
}

.btn-outline:hover {
  background: #f7ede2;
}

input,
select,
textarea {
  border-color: #decebb;
  background: #fffcf8;
}

input:focus,
select:focus,
textarea:focus {
  border-color: #0f766e;
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.16);
}

.site-footer {
  border-top: 1px solid #2d3d49;
  background:
    radial-gradient(circle at 16% -20%, rgba(15, 118, 110, 0.24), transparent 40%),
    linear-gradient(160deg, #132634 0%, #1e293b 48%, #3c2415 100%);
  color: #e6edf5;
}

.site-footer a {
  color: #dce9f9;
}

.site-footer a:hover {
  color: #ffffff;
}

.footer-shell p,
.footer-bottom {
  color: #c2ceda;
}

.footer-bottom {
  border-top: 1px solid rgba(198, 213, 226, 0.22);
}

.page-hero,
.stats-grid .panel,
.tool-card,
.faq-item {
  animation: riseIn 0.5s ease both;
}

.stats-grid .panel:nth-child(2),
.tool-card:nth-child(2n),
.faq-item:nth-child(2n) {
  animation-delay: 0.06s;
}

.stats-grid .panel:nth-child(3),
.tool-card:nth-child(3n),
.faq-item:nth-child(3n) {
  animation-delay: 0.12s;
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}