/* ==========================================================================
   AI Calculator Hub — Public Design System
   Deep forest teal + warm amber. Not purple, not cream/terracotta, not
   newspaper. Fonts: DM Sans (UI) + Fraunces (display headlines).
   ========================================================================== */

:root {
  --brand: #0B6E4F;
  --brand-dark: #084C37;
  --brand-rgb: 11, 110, 79;
  --accent: #F4A259;
  --accent-rgb: 244, 162, 89;
  --ink: #1A1A1A;
  --muted: #5C6B73;
  --surface: #F7F9F8;
  --card: #FFFFFF;
  --border: rgba(26, 26, 26, 0.08);
  --shadow-color: rgba(8, 34, 26, 0.10);

  --font-ui: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Fraunces', Georgia, serif;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --transition-fast: 150ms ease;
  --transition-base: 220ms ease;

  color-scheme: light;
}

html[data-theme='dark'] {
  --brand: #16A579;
  --brand-dark: #0B6E4F;
  --accent: #F4A259;
  --ink: #EDF3F0;
  --muted: #A2B3AC;
  --surface: #0E1512;
  --card: #16201C;
  --border: rgba(237, 243, 240, 0.09);
  --shadow-color: rgba(0, 0, 0, 0.45);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-ui);
  color: var(--ink);
  background-color: var(--surface);
  transition: background-color var(--transition-base), color var(--transition-base);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--brand);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--brand-dark);
}

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

.text-muted-custom {
  color: var(--muted) !important;
}

/* Cookie consent (AdSense / GDPR-friendly) */
.cookie-consent {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1080;
  padding: 1rem 0;
  background: rgba(8, 34, 26, 0.96);
  color: #edf3f0;
  box-shadow: 0 -8px 28px rgba(0, 0, 0, 0.25);
}

.cookie-consent-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.cookie-consent-copy {
  flex: 1 1 280px;
  font-size: 0.9rem;
  line-height: 1.45;
}

.cookie-consent-copy a {
  color: var(--accent);
  text-decoration: underline;
}

.cookie-consent-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  flex-shrink: 0;
}

.text-brand {
  color: var(--brand) !important;
}

.text-accent {
  color: var(--accent) !important;
}

/* ==========================================================================
   Atmosphere — soft gradient mesh backgrounds (never flat white)
   ========================================================================== */

.atmosphere {
  position: relative;
  background-color: var(--surface);
  background-image:
    radial-gradient(circle at 12% 18%, rgba(var(--brand-rgb), 0.16) 0%, transparent 45%),
    radial-gradient(circle at 85% 8%, rgba(var(--accent-rgb), 0.14) 0%, transparent 40%),
    radial-gradient(circle at 78% 82%, rgba(var(--brand-rgb), 0.10) 0%, transparent 50%),
    linear-gradient(160deg, rgba(var(--brand-rgb), 0.05) 0%, rgba(92, 107, 115, 0.04) 55%, transparent 100%);
  overflow: hidden;
}

.atmosphere::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(var(--brand-rgb), 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--brand-rgb), 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 90%);
  pointer-events: none;
}

.atmosphere-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.5;
  pointer-events: none;
}

/* ==========================================================================
   Header / Navbar
   ========================================================================== */

.site-header {
  background-color: rgba(var(--brand-rgb), 0);
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1030;
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--ink);
}

.brand-logo .brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: #fff;
  font-size: 1.1rem;
  box-shadow: 0 6px 16px rgba(var(--brand-rgb), 0.35);
}

.brand-logo:hover {
  color: var(--ink);
}

.main-nav .nav-link {
  color: var(--ink);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.main-nav .nav-link:hover,
.main-nav .nav-link.active {
  background-color: rgba(var(--brand-rgb), 0.10);
  color: var(--brand-dark);
}

html[data-theme='dark'] .main-nav .nav-link.active,
html[data-theme='dark'] .main-nav .nav-link:hover {
  color: var(--accent);
}

.search-box {
  position: relative;
}

.search-box .form-control {
  border-radius: 999px;
  padding-left: 2.6rem;
  background-color: var(--card);
  border: 1px solid var(--border);
  color: var(--ink);
}

.search-box .bi-search {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
}

.search-suggestions {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: 0 18px 40px var(--shadow-color);
  z-index: 1050;
  overflow: hidden;
  max-height: 360px;
  overflow-y: auto;
}

.search-suggestions .suggestion-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  color: var(--ink);
  cursor: pointer;
}

.search-suggestions .suggestion-item:hover {
  background-color: rgba(var(--brand-rgb), 0.08);
}

.lang-switch .btn {
  border-radius: 999px;
  font-size: 0.82rem;
  padding: 0.3rem 0.7rem;
}

.theme-toggle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--ink);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.theme-toggle:hover {
  transform: rotate(15deg);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn-brand {
  background-color: var(--brand);
  border-color: var(--brand);
  color: #fff;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.65rem 1.6rem;
  transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 10px 24px rgba(var(--brand-rgb), 0.28);
}

.btn-brand:hover,
.btn-brand:focus {
  background-color: var(--brand-dark);
  border-color: var(--brand-dark);
  color: #fff;
  transform: translateY(-1px);
}

.btn-accent {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #1A1A1A;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.65rem 1.6rem;
  transition: filter var(--transition-fast), transform var(--transition-fast);
}

.btn-accent:hover {
  filter: brightness(0.94);
  color: #1A1A1A;
  transform: translateY(-1px);
}

.btn-outline-brand {
  border: 1.5px solid var(--brand);
  color: var(--brand);
  font-weight: 600;
  border-radius: 999px;
  background: transparent;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.btn-outline-brand:hover {
  background-color: var(--brand);
  color: #fff;
}

.btn-soft {
  background-color: rgba(var(--brand-rgb), 0.10);
  color: var(--brand-dark);
  border: none;
  border-radius: 999px;
  font-weight: 600;
}

html[data-theme='dark'] .btn-soft {
  color: var(--accent);
  background-color: rgba(var(--accent-rgb), 0.14);
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card-surface {
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.calc-card {
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.4rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--ink);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.calc-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px var(--shadow-color);
  border-color: rgba(var(--brand-rgb), 0.35);
  color: var(--ink);
}

.calc-card .calc-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  background: linear-gradient(135deg, rgba(var(--brand-rgb), 0.16), rgba(var(--accent-rgb), 0.18));
  color: var(--brand-dark);
}

html[data-theme='dark'] .calc-card .calc-icon {
  color: var(--accent);
}

.calc-card .calc-title {
  font-weight: 600;
  font-size: 1.02rem;
  margin: 0;
}

.calc-card .calc-desc {
  color: var(--muted);
  font-size: 0.88rem;
  margin: 0;
  flex-grow: 1;
}

.calc-card .calc-badge {
  align-self: flex-start;
}

.category-card {
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.6rem;
  text-align: left;
  text-decoration: none;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.category-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px var(--shadow-color);
  color: var(--ink);
}

.category-card .cat-icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  color: #fff;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero-section {
  padding: 6rem 0 5rem;
  position: relative;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(var(--brand-rgb), 0.10);
  color: var(--brand-dark);
  border-radius: 999px;
  padding: 0.4rem 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

html[data-theme='dark'] .hero-eyebrow {
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.14);
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.75rem);
  line-height: 1.08;
  font-weight: 600;
  margin: 1.1rem 0 1rem;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto 2rem;
}

/* ==========================================================================
   Sections
   ========================================================================== */

.section {
  padding: 4.5rem 0;
}

.section-heading {
  margin-bottom: 2.5rem;
}

.section-heading .eyebrow {
  color: var(--brand);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

html[data-theme='dark'] .section-heading .eyebrow {
  color: var(--accent);
}

.section-heading h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-top: 0.4rem;
}

/* ==========================================================================
   Calculator show page
   ========================================================================== */

.calc-form-card,
.calc-result-card {
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.calc-form-card .form-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink);
}

.calc-form-card .form-control,
.calc-form-card .form-select {
  border-radius: var(--radius-sm);
  border-color: var(--border);
  background-color: var(--surface);
  color: var(--ink);
  padding: 0.62rem 0.9rem;
}

.calc-form-card .form-control:focus,
.calc-form-card .form-select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 0.2rem rgba(var(--brand-rgb), 0.15);
  background-color: var(--card);
}

.calc-result-card {
  position: relative;
  min-height: 220px;
}

.result-loading {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--card) 85%, transparent);
  border-radius: var(--radius-lg);
  z-index: 5;
}

.result-loading.active {
  display: flex;
}

.result-metric {
  background: linear-gradient(135deg, rgba(var(--brand-rgb), 0.08), rgba(var(--accent-rgb), 0.08));
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 0.75rem;
}

.result-metric .metric-label {
  font-size: 0.82rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.result-metric .metric-value {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 600;
  color: var(--brand-dark);
}

html[data-theme='dark'] .result-metric .metric-value {
  color: var(--accent);
}

.breakdown-table td,
.breakdown-table th {
  border-color: var(--border);
  color: var(--ink);
}

.result-actions:not(.d-none) {
  display: flex;
}

.ai-explain-box {
  background-color: rgba(var(--accent-rgb), 0.10);
  border: 1px solid rgba(var(--accent-rgb), 0.35);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: none;
}

.ai-explain-box.active {
  display: block;
}

.invalid-feedback {
  display: none;
  font-size: 0.82rem;
}

.is-invalid ~ .invalid-feedback,
.was-validated .is-invalid + .invalid-feedback {
  display: block;
}

/* ==========================================================================
   FAQ accordion
   ========================================================================== */

.faq-accordion .accordion-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md) !important;
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.faq-accordion .accordion-button {
  background: var(--card);
  color: var(--ink);
  font-weight: 600;
  font-family: var(--font-ui);
}

.faq-accordion .accordion-button:not(.collapsed) {
  background: rgba(var(--brand-rgb), 0.06);
  color: var(--brand-dark);
  box-shadow: none;
}

html[data-theme='dark'] .faq-accordion .accordion-button:not(.collapsed) {
  color: var(--accent);
}

.faq-accordion .accordion-body {
  color: var(--muted);
}

/* ==========================================================================
   Breadcrumb
   ========================================================================== */

.custom-breadcrumb {
  font-size: 0.86rem;
}

.custom-breadcrumb a {
  color: var(--muted);
}

.custom-breadcrumb a:hover {
  color: var(--brand);
}

.custom-breadcrumb .current {
  color: var(--ink);
  font-weight: 600;
}

/* ==========================================================================
   Ads slots
   ========================================================================== */

.ad-slot {
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  display: block;
  overflow: hidden;
}

.ad-slot.ad-sticky {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 1040;
  width: min(180px, 32vw);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.16);
  border-radius: 14px;
}

@media (max-width: 767.98px) {
  .ad-slot.ad-sticky {
    display: none;
  }
}

/* Designed banner slides */
.ad-banner-slide {
  display: block;
  text-decoration: none !important;
  color: inherit;
  border-radius: 14px;
  overflow: hidden;
  height: 100%;
}

.ad-banner-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 110px;
  padding: 1.15rem 1.35rem;
  color: #fff !important;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.ad-slot-box .ad-banner-card,
.ad-slot-sticky .ad-banner-card {
  flex-direction: column;
  align-items: flex-start;
  min-height: 260px;
  padding: 1.35rem;
  justify-content: flex-end;
}

.ad-slot-sticky .ad-banner-card {
  min-height: 220px;
  padding: 1rem;
}

.ad-banner-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.16);
  color: #fff !important;
}

.ad-theme-forest {
  background:
    radial-gradient(circle at 90% 10%, rgba(255, 255, 255, 0.18), transparent 40%),
    linear-gradient(135deg, #0B6E4F 0%, #084C37 55%, #0A3D2E 100%);
}

.ad-theme-ocean {
  background:
    radial-gradient(circle at 10% 80%, rgba(255, 255, 255, 0.16), transparent 45%),
    linear-gradient(135deg, #1B4965 0%, #126782 50%, #0B6E4F 100%);
}

.ad-theme-sunset {
  background:
    radial-gradient(circle at 85% 75%, rgba(255, 255, 255, 0.16), transparent 40%),
    linear-gradient(135deg, #C96A2B 0%, #0B6E4F 70%);
}

.ad-theme-slate {
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.12), transparent 40%),
    linear-gradient(135deg, #2C3338 0%, #1B4965 60%, #0B6E4F 100%);
}

.ad-banner-sponsored {
  position: absolute;
  top: 10px;
  right: 12px;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.75;
  background: rgba(0, 0, 0, 0.22);
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
}

.ad-banner-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.16);
  font-size: 1.35rem;
  flex-shrink: 0;
}

.ad-slot-box .ad-banner-icon,
.ad-slot-sticky .ad-banner-icon {
  margin-bottom: 0.75rem;
}

.ad-banner-copy {
  min-width: 0;
}

.ad-banner-title {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.25rem;
}

.ad-slot-sticky .ad-banner-title {
  font-size: 0.92rem;
}

.ad-banner-text {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.45;
  opacity: 0.92;
}

.ad-slot-sticky .ad-banner-text {
  font-size: 0.78rem;
}

.ad-banner-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.65rem;
  font-size: 0.82rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
}

.ad-banner-image {
  position: relative;
  display: block;
}

.ad-banner-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 14px;
  object-fit: cover;
  background: #e9ecef;
}

/* Standard slot sizes (IAB-aligned) for uploaded creatives */
.ad-slot-leaderboard .ad-banner-img {
  aspect-ratio: 728 / 90;
  max-height: 90px;
  width: 100%;
  object-fit: cover;
}

.ad-slot-box .ad-banner-img {
  aspect-ratio: 300 / 250;
  width: 100%;
  max-height: 280px;
  object-fit: cover;
}

.ad-slot-sticky .ad-banner-img {
  aspect-ratio: 160 / 600;
  width: 100%;
  max-height: 360px;
  object-fit: cover;
}

.ad-slot-inline .ad-banner-img {
  aspect-ratio: 728 / 90;
  max-height: 100px;
  width: 100%;
  object-fit: cover;
}

.ad-slot-leaderboard .ad-banner-card { min-height: 100px; }
.ad-slot-inline .ad-banner-card { min-height: 96px; }

/* Carousel */
.ad-carousel {
  border-radius: 14px;
  overflow: hidden;
}

.ad-carousel .carousel-item {
  transition: transform 0.55s ease-in-out;
}

.ad-carousel-indicators {
  margin-bottom: 0.45rem;
}

.ad-carousel-indicators [data-bs-target] {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.55);
  border: 0;
  opacity: 1;
}

.ad-carousel-indicators .active {
  background-color: #fff;
  width: 18px;
  border-radius: 999px;
}

.ad-carousel-control {
  width: 8%;
  opacity: 0.85;
}

.ad-carousel-control .carousel-control-prev-icon,
.ad-carousel-control .carousel-control-next-icon {
  width: 1.1rem;
  height: 1.1rem;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.35));
}

.ad-slot-box .ad-carousel-control,
.ad-slot-sticky .ad-carousel-control {
  width: 14%;
}

/* Fallback demo */
.ad-demo {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 100px;
  border-radius: 14px;
  border: 1px dashed rgba(var(--brand-rgb), 0.35);
  background:
    linear-gradient(135deg, rgba(var(--brand-rgb), 0.10), rgba(var(--accent-rgb), 0.12)),
    repeating-linear-gradient(135deg, rgba(var(--brand-rgb), 0.05) 0 8px, transparent 8px 16px);
  color: var(--ink);
  text-align: center;
  padding: 1rem;
}

.ad-demo-leaderboard { min-height: 90px; }
.ad-demo-box { min-height: 260px; }
.ad-demo-sticky { min-height: 220px; }
.ad-demo-inline { min-height: 100px; }

.ad-demo-badge {
  position: absolute;
  top: 8px;
  left: 10px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: var(--brand);
  border-radius: 999px;
  padding: 0.15rem 0.5rem;
}

.ad-demo-body {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  max-width: 22rem;
}

.ad-demo-body strong { font-size: 0.95rem; }
.ad-demo-body span,
.ad-demo-body small { font-size: 0.78rem; color: var(--muted); }

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--brand-dark);
  color: rgba(255, 255, 255, 0.82);
  padding: 4rem 0 1.5rem;
  margin-top: 3rem;
}

.site-footer h6 {
  color: #fff;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.1rem;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.75);
}

.site-footer a:hover {
  color: var(--accent);
}

.site-footer .brand-logo {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.6);
}

.social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(var(--brand-rgb), 0.10);
  margin-right: 0.5rem;
  color: var(--brand);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.social-icons a:hover {
  background: var(--accent);
  color: #1A1A1A;
}

.site-footer .social-icons a {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

/* ==========================================================================
   Blog
   ========================================================================== */

.blog-card img,
.blog-hero img {
  border-radius: var(--radius-md);
}

.reading-meta {
  color: var(--muted);
  font-size: 0.85rem;
}

.toc-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  position: sticky;
  top: 90px;
}

.toc-box a {
  display: block;
  padding: 0.3rem 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.toc-box a:hover {
  color: var(--brand);
}

.blog-content h2,
.blog-content h3 {
  margin-top: 2rem;
}

.blog-content img {
  border-radius: var(--radius-md);
  max-width: 100%;
}

/* ==========================================================================
   Pricing
   ========================================================================== */

.price-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  height: 100%;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.price-card.featured {
  border-color: var(--brand);
  box-shadow: 0 20px 50px var(--shadow-color);
  position: relative;
}

.price-card:hover {
  transform: translateY(-4px);
}

.price-card .price-amount {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 600;
  color: var(--ink);
}

.price-card ul {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
}

.price-card ul li {
  padding: 0.4rem 0;
  display: flex;
  align-items: start;
  gap: 0.6rem;
  color: var(--muted);
}

.price-card ul li i {
  color: var(--brand);
  margin-top: 0.15rem;
}

/* ==========================================================================
   Pagination (Bootstrap 5)
   ========================================================================== */

.pagination {
  gap: 0.35rem;
  margin-bottom: 0;
  flex-wrap: wrap;
}

.pagination .page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  height: 2.25rem;
  padding: 0.35rem 0.65rem;
  font-size: 0.9rem;
  font-weight: 500;
  font-family: var(--font-ui);
  line-height: 1;
  color: var(--ink);
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: none;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.pagination .page-item:not(:first-child) .page-link {
  margin-left: 0;
}

.pagination .page-link:hover {
  z-index: 2;
  color: var(--brand);
  background-color: rgba(var(--brand-rgb), 0.08);
  border-color: rgba(var(--brand-rgb), 0.25);
}

.pagination .page-link:focus {
  z-index: 3;
  box-shadow: 0 0 0 0.2rem rgba(var(--brand-rgb), 0.2);
  color: var(--brand);
}

.pagination .page-item.active .page-link {
  color: #fff;
  background-color: var(--brand);
  border-color: var(--brand);
}

.pagination .page-item.disabled .page-link {
  color: var(--muted);
  background-color: var(--surface);
  border-color: var(--border);
  opacity: 0.7;
  pointer-events: none;
}

/* Keep Previous/Next chevrons aligned with label text size */
.pagination .page-link span[aria-hidden="true"],
.pagination .page-link .page-link-icon {
  font-size: 0.95rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
}

.pagination .page-item:first-child .page-link,
.pagination .page-item:last-child .page-link {
  padding-inline: 0.75rem;
}

/* ==========================================================================
   Utilities
   ========================================================================== */

.badge-soft-brand {
  background-color: rgba(var(--brand-rgb), 0.12);
  color: var(--brand-dark);
  font-weight: 600;
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
}

html[data-theme='dark'] .badge-soft-brand {
  color: var(--accent);
}

.badge-soft-accent {
  background-color: rgba(var(--accent-rgb), 0.18);
  color: #8a5620;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
}

html[data-theme='dark'] .badge-soft-accent {
  color: var(--accent);
  background-color: rgba(var(--accent-rgb), 0.22);
}

.divider-soft {
  border-color: var(--border);
}

.share-buttons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--ink);
  margin-right: 0.5rem;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.share-buttons a:hover {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}

/* ==========================================================================
   Auth pages (login / register / password)
   ========================================================================== */

/* Auth modal popup */
.auth-modal-content {
  border: none;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
}

.auth-modal-content .modal-header,
.auth-modal-content .modal-body {
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.auth-modal-tabs .btn {
  border: 1px solid rgba(var(--brand-rgb), 0.2);
  background: rgba(var(--brand-rgb), 0.06);
  color: var(--ink);
  font-weight: 600;
}

.auth-modal-tabs .btn:first-child {
  border-radius: 10px 0 0 10px;
}

.auth-modal-tabs .btn:last-child {
  border-radius: 0 10px 10px 0;
}

.auth-modal-tabs .btn.active {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.auth-modal-alert {
  border-radius: 10px;
  background: rgba(220, 53, 69, 0.12);
  color: #b02a37;
  font-size: 0.9rem;
  padding: 0.65rem 0.85rem;
  margin-bottom: 1rem;
}

.auth-body {
  min-height: 100vh;
  margin: 0;
  background: var(--surface);
}

.auth-shell {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.auth-atmosphere {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 55% at 12% 18%, rgba(var(--brand-rgb), 0.22), transparent 55%),
    radial-gradient(ellipse 70% 50% at 88% 82%, rgba(var(--accent-rgb), 0.18), transparent 50%),
    linear-gradient(165deg, var(--surface) 0%, rgba(var(--brand-rgb), 0.06) 100%);
}

.auth-atmosphere::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(var(--brand-rgb), 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--brand-rgb), 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%);
  animation: auth-grid-drift 28s linear infinite;
}

@keyframes auth-grid-drift {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-48px, -48px, 0); }
}

.auth-topbar {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem 1.5rem;
}

.auth-main {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 1.25rem 2rem;
}

.auth-panel {
  width: 100%;
  max-width: 440px;
  background: color-mix(in srgb, var(--card) 92%, transparent);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem 1.75rem;
  box-shadow: 0 24px 60px var(--shadow-color);
}

.auth-panel-enter {
  animation: auth-panel-in 480ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes auth-panel-in {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.auth-panel-brand {
  text-align: center;
  margin-bottom: 1.75rem;
}

.brand-mark-lg {
  width: 56px;
  height: 56px;
  font-size: 1.45rem;
  margin: 0 auto 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: #fff;
  box-shadow: 0 10px 24px rgba(var(--brand-rgb), 0.35);
  animation: auth-mark-pop 700ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes auth-mark-pop {
  from {
    opacity: 0;
    transform: scale(0.7);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.auth-panel-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.1rem);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.auth-panel-subtitle {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 0 auto;
  max-width: 32ch;
}

.auth-form .form-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink);
}

.auth-input-wrap {
  position: relative;
}

.auth-input-wrap > i {
  position: absolute;
  left: 0.95rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 1rem;
  pointer-events: none;
  z-index: 2;
}

.auth-input-wrap .form-control {
  border-radius: var(--radius-sm);
  border-color: var(--border);
  background-color: var(--surface);
  color: var(--ink);
  padding: 0.72rem 0.95rem 0.72rem 2.65rem;
  min-height: 48px;
}

.auth-input-wrap .form-control:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 0.2rem rgba(var(--brand-rgb), 0.18);
  background-color: var(--card);
}

.auth-input-wrap .form-control::placeholder {
  color: var(--muted);
  opacity: 0.75;
}

.auth-form .form-check-input:checked {
  background-color: var(--brand);
  border-color: var(--brand);
}

.auth-form .form-check-label {
  color: var(--muted);
  font-size: 0.92rem;
}

.auth-submit {
  min-height: 48px;
  font-size: 1rem;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(var(--ink-rgb, 20, 30, 40), 0.12);
}

.auth-divider span {
  text-transform: lowercase;
}

.btn-google {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-height: 48px;
  border: 1px solid rgba(var(--ink-rgb, 20, 30, 40), 0.16);
  background: #fff;
  color: var(--ink);
  font-weight: 600;
  border-radius: var(--radius-sm, 0.5rem);
  text-decoration: none;
}

.btn-google:hover {
  background: rgba(var(--brand-rgb, 11, 110, 79), 0.04);
  border-color: rgba(var(--brand-rgb, 11, 110, 79), 0.35);
  color: var(--ink);
}

[data-theme="dark"] .btn-google {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.16);
  color: #f3f5f7;
}

[data-theme="dark"] .btn-google:hover {
  background: rgba(255, 255, 255, 0.08);
}

.auth-link {
  color: var(--brand);
  font-weight: 600;
  text-decoration: none;
}

.auth-link:hover {
  color: var(--brand-dark);
  text-decoration: underline;
}

.auth-switch {
  text-align: center;
  margin: 1.35rem 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.auth-alert {
  border-radius: var(--radius-sm);
  border: none;
  background: rgba(var(--brand-rgb), 0.12);
  color: var(--brand-dark);
  font-size: 0.92rem;
}

html[data-theme='dark'] .auth-alert {
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.14);
}

.auth-footer {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  padding: 1rem 1.5rem 1.35rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.auth-footer-links {
  display: inline-flex;
  gap: 1rem;
}

.auth-footer a {
  color: var(--muted);
}

.auth-footer a:hover {
  color: var(--brand);
}

@media (max-width: 575.98px) {
  .auth-panel {
    padding: 1.75rem 1.25rem 1.5rem;
  }

  .auth-topbar {
    padding: 1rem;
  }
}

/* ------------------------------------------------------------------ */
/* Legal + HTML sitemap                                               */
/* ------------------------------------------------------------------ */

.legal-content h2 {
  font-size: 1.2rem;
  margin: 1.75rem 0 0.75rem;
  color: var(--ink);
}

.legal-content h2:first-of-type {
  margin-top: 0.5rem;
}

.legal-content ul {
  padding-left: 1.2rem;
  margin-bottom: 1rem;
}

.legal-content li {
  margin-bottom: 0.4rem;
}

.legal-content p {
  color: var(--muted);
  line-height: 1.7;
}

.legal-content a {
  color: var(--brand);
  font-weight: 600;
}

.sitemap-list a,
.sitemap-calc-link {
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
}

.sitemap-list a:hover,
.sitemap-calc-link:hover {
  color: var(--brand);
}

.sitemap-calc-link {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.6rem;
  border-radius: 10px;
}

.sitemap-calc-link:hover {
  background: rgba(var(--brand-rgb), 0.08);
}

.sitemap-calc-link i {
  color: var(--brand);
}

/* ------------------------------------------------------------------ */
/* Account / member area                                              */
/* ------------------------------------------------------------------ */

.account-sidebar {
  position: relative;
}

.account-avatar {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  flex-shrink: 0;
}

.account-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  border-radius: 10px;
  padding: 0.55rem 0.75rem;
  font-weight: 500;
}

.account-nav .nav-link i {
  width: 1.1rem;
  color: var(--muted);
}

.account-nav .nav-link:hover,
.account-nav .nav-link.active {
  background: rgba(var(--brand-rgb), 0.10);
  color: var(--brand-dark);
}

.account-nav .nav-link.active i,
.account-nav .nav-link:hover i {
  color: var(--brand);
}

.account-stat .stat-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  font-weight: 700;
}

.account-stat .stat-value {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.2;
  margin-top: 0.25rem;
}

.account-list-item {
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(var(--brand-rgb), 0.08);
  color: var(--ink);
}

.account-list-item:last-child {
  border-bottom: 0;
}

.account-alert {
  border: none;
  border-radius: var(--radius-sm);
}

.account-dropdown {
  min-width: 220px;
  border-radius: 12px;
  border: 1px solid rgba(var(--brand-rgb), 0.12);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
  padding: 0.4rem;
}

.account-dropdown .dropdown-item {
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  font-weight: 500;
}

.account-dropdown .dropdown-item:hover,
.account-dropdown .dropdown-item:focus {
  background: rgba(var(--brand-rgb), 0.10);
  color: var(--brand-dark);
}

html[data-theme='dark'] .account-dropdown {
  background: var(--surface);
  border-color: rgba(255, 255, 255, 0.08);
}

@media print {
  .site-header, .site-footer, .ad-slot, .no-print { display: none !important; }
}

@media (max-width: 767.98px) {
  .hero-section { padding: 3.5rem 0 2.5rem; }
  .toc-box { position: static; }
}