:root {
  --sofon-accent: #157a62;
  --sofon-accent-strong: #0e604d;
  --sofon-accent-soft: rgba(21, 122, 98, 0.14);
  --sofon-bg-a: #eef9f5;
  --sofon-bg-b: #edf4fb;
  --sofon-bg-c: #f8f4ff;
  --sofon-surface: rgba(255, 255, 255, 0.74);
  --sofon-surface-strong: rgba(255, 255, 255, 0.9);
  --sofon-border: rgba(43, 85, 79, 0.15);
  --sofon-text: #172d2a;
  --sofon-muted: #5b6f6b;
  --sofon-shadow: 0 24px 70px rgba(35, 74, 69, 0.14);
  --sofon-shadow-soft: 0 14px 38px rgba(35, 74, 69, 0.1);
}

body.dark-mode {
  --sofon-accent: #54d2ae;
  --sofon-accent-strong: #7ce1c4;
  --sofon-accent-soft: rgba(84, 210, 174, 0.14);
  --sofon-bg-a: #071712;
  --sofon-bg-b: #0b1725;
  --sofon-bg-c: #1b1126;
  --sofon-surface: rgba(13, 29, 28, 0.72);
  --sofon-surface-strong: rgba(14, 31, 30, 0.92);
  --sofon-border: rgba(161, 222, 207, 0.15);
  --sofon-text: #eefbf7;
  --sofon-muted: #afc8c1;
  --sofon-shadow: 0 24px 75px rgba(0, 0, 0, 0.38);
  --sofon-shadow-soft: 0 14px 40px rgba(0, 0, 0, 0.28);
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  color: var(--sofon-text);
  background:
    radial-gradient(circle at 12% 10%, rgba(42, 184, 142, 0.25), transparent 34%),
    radial-gradient(circle at 88% 14%, rgba(88, 142, 211, 0.22), transparent 32%),
    radial-gradient(circle at 72% 88%, rgba(150, 94, 202, 0.18), transparent 35%),
    linear-gradient(130deg, var(--sofon-bg-a), var(--sofon-bg-b), var(--sofon-bg-c));
  background-attachment: fixed;
  background-size: 150% 150%, 145% 145%, 155% 155%, 180% 180%;
  animation: sofon-background-shift 22s ease-in-out infinite alternate;
}

body::before,
body::after {
  position: fixed;
  z-index: -1;
  display: block;
  width: 28rem;
  height: 28rem;
  content: "";
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.28;
  pointer-events: none;
}

body::before {
  top: 8%;
  left: -10rem;
  background: #2ab88e;
  animation: sofon-orb-left 18s ease-in-out infinite alternate;
}

body::after {
  right: -9rem;
  bottom: 4%;
  background: #7467c8;
  animation: sofon-orb-right 20s ease-in-out infinite alternate;
}

@keyframes sofon-background-shift {
  0% { background-position: 0% 0%, 100% 0%, 80% 100%, 0% 50%; }
  100% { background-position: 18% 12%, 82% 18%, 100% 82%, 100% 50%; }
}

@keyframes sofon-orb-left {
  from { transform: translate3d(0, 0, 0) scale(0.92); }
  to { transform: translate3d(7rem, 4rem, 0) scale(1.12); }
}

@keyframes sofon-orb-right {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(-6rem, -5rem, 0) scale(0.86); }
}

.page-container,
.sofon-page-container {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  overflow-x: clip;
}

.sofon-navbar-shell {
  position: sticky;
  top: 0;
  z-index: 10000;
  width: 100%;
  padding: clamp(0.65rem, 1.8vw, 1rem) clamp(0.7rem, 3vw, 2rem) 0;
}

.sofon-floating-navbar {
  width: min(100%, 1540px);
  min-height: 68px;
  margin: 0 auto;
  padding: 0.5rem clamp(0.65rem, 1.8vw, 1rem);
  background: var(--sofon-surface-strong);
  border: 1px solid var(--sofon-border);
  border-radius: 1.35rem;
  box-shadow: var(--sofon-shadow-soft);
  backdrop-filter: blur(22px) saturate(145%);
  -webkit-backdrop-filter: blur(22px) saturate(145%);
}

.sofon-navbar-inner {
  flex-wrap: nowrap;
  gap: 0.75rem;
}

.sofon-navbar-brand {
  display: inline-flex !important;
  align-items: center;
  min-width: 0;
  margin: 0;
  color: var(--sofon-text) !important;
  text-decoration: none;
}

.sofon-brand-logo-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  overflow: hidden;
  flex: 0 0 auto;
  padding: 0.22rem;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--sofon-border);
  border-radius: 1rem;
  box-shadow: 0 8px 22px rgba(28, 80, 69, 0.12);
}

.sofon-brand-logo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.sofon-brand-copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
  margin-left: 0.75rem;
  line-height: 1.05;
}

.sofon-brand-text {
  overflow: hidden;
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 780;
  letter-spacing: 0.02em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sofon-brand-copy small {
  margin-top: 0.3rem;
  color: var(--sofon-muted);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sofon-navbar-actions {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.sofon-navbar-actions .nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  margin: 0;
  padding: 0 0.7rem;
  color: var(--sofon-text);
  background: transparent;
  border: 0;
  border-radius: 0.9rem;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

.sofon-navbar-actions .nav-link:hover,
.sofon-navbar-actions .nav-link:focus,
.sofon-navbar-actions .nav-link[aria-expanded="true"] {
  color: var(--sofon-accent-strong);
  background: var(--sofon-accent-soft);
  transform: translateY(-1px);
}

.sofon-help-button {
  gap: 0.45rem;
  font-weight: 700;
}

.sofon-icon-button {
  width: 44px;
  padding: 0 !important;
}

.sofon-search-menu,
.sofon-favorites-menu {
  min-width: min(28rem, calc(100vw - 1.5rem));
  max-width: calc(100vw - 1.5rem);
  margin-top: 0.7rem !important;
  overflow: hidden;
  background: var(--sofon-surface-strong);
  border: 1px solid var(--sofon-border);
  border-radius: 1.1rem;
  box-shadow: var(--sofon-shadow-soft);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.sofon-search-menu #searchResults,
.sofon-favorites-menu #favoritesDropdown {
  max-height: min(65vh, 34rem);
  overflow-y: auto;
}

.sofon-search-menu .form-control {
  min-height: 46px;
  border-radius: 0.85rem;
}

.sofon-tool-index {
  display: none !important;
}

.sofon-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr);
  gap: clamp(1.2rem, 4vw, 3.5rem);
  width: min(calc(100% - 1.4rem), 1480px);
  margin: clamp(1rem, 3vw, 2.5rem) auto 0;
  padding: clamp(1.4rem, 4vw, 4rem);
  overflow: hidden;
  background: var(--sofon-surface);
  border: 1px solid var(--sofon-border);
  border-radius: clamp(1.4rem, 3vw, 2.2rem);
  box-shadow: var(--sofon-shadow);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
}

.sofon-hero-copy {
  align-self: center;
}

.sofon-eyebrow,
.sofon-modal-eyebrow {
  display: inline-flex;
  align-items: center;
  color: var(--sofon-accent-strong);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sofon-hero h1 {
  max-width: 18ch;
  margin: 0.7rem 0 1rem;
  color: var(--sofon-text);
  font-size: clamp(2rem, 5vw, 4.6rem);
  font-weight: 820;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.sofon-hero-copy > p {
  max-width: 65ch;
  margin: 0;
  color: var(--sofon-muted);
  font-size: clamp(1rem, 1.5vw, 1.16rem);
  line-height: 1.75;
}

.sofon-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.4rem;
}

.sofon-hero-tags > span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 0.78rem;
  color: var(--sofon-text);
  background: var(--sofon-surface-strong);
  border: 1px solid var(--sofon-border);
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 650;
}

.sofon-hero-tags .material-symbols-rounded {
  color: var(--sofon-accent-strong);
  font-size: 1.1rem;
}

.sofon-primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 46px;
  padding: 0.72rem 1.1rem;
  color: #fff !important;
  background: linear-gradient(135deg, #179b78, #11624f);
  border: 0;
  border-radius: 0.95rem;
  box-shadow: 0 12px 28px rgba(17, 98, 79, 0.24);
  font-weight: 760;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.sofon-primary-button:hover,
.sofon-primary-button:focus {
  color: #fff !important;
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(17, 98, 79, 0.3);
}

.sofon-hero-button {
  margin-top: 1.5rem;
}

.sofon-hero-steps {
  display: grid;
  gap: 0.8rem;
  align-content: center;
}

.sofon-hero-steps article {
  display: grid;
  grid-template-columns: 3.25rem 1fr;
  gap: 0.9rem;
  align-items: center;
  padding: 1rem;
  background: var(--sofon-surface-strong);
  border: 1px solid var(--sofon-border);
  border-radius: 1.2rem;
  box-shadow: 0 10px 28px rgba(28, 80, 69, 0.08);
  transition: transform 180ms ease, border-color 180ms ease;
}

.sofon-hero-steps article:hover {
  border-color: rgba(21, 122, 98, 0.35);
  transform: translateX(-5px);
}

.sofon-hero-steps article > span {
  display: grid;
  place-items: center;
  width: 3.25rem;
  height: 3.25rem;
  color: var(--sofon-accent-strong);
  background: var(--sofon-accent-soft);
  border-radius: 1rem;
  font-size: 0.82rem;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.sofon-hero-steps h2 {
  margin: 0 0 0.22rem;
  color: var(--sofon-text);
  font-size: 1rem;
  font-weight: 780;
}

.sofon-hero-steps p {
  margin: 0;
  color: var(--sofon-muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.sofon-tools-page {
  width: min(calc(100% - 1.4rem), 1540px);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(2rem, 5vw, 4rem);
}

.sofon-section-heading {
  max-width: 52rem;
  margin: 0 auto clamp(1.5rem, 3vw, 2.4rem);
  text-align: center;
}

.sofon-section-heading h2 {
  margin: 0.35rem 0 0.55rem;
  color: var(--sofon-text);
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.035em;
}

.sofon-section-heading p {
  margin: 0;
  color: var(--sofon-muted);
}

.sofon-features-container {
  display: block;
  width: 100%;
  margin: 0;
  border: 0;
}

.sofon-feature-rows {
  display: flex;
  width: 100%;
  margin: 0 auto;
  padding: 0;
  gap: clamp(0.9rem, 1.7vw, 1.35rem);
  justify-content: center;
  align-items: flex-start;
}

.sofon-tools-page .feature-group {
  min-width: min(18rem, 100%);
  max-width: 24rem;
  overflow: hidden;
  flex: 1 1 18rem;
  background: var(--sofon-surface);
  border: 1px solid var(--sofon-border);
  border-radius: 1.35rem;
  box-shadow: var(--sofon-shadow-soft);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.sofon-tools-page .feature-group-header {
  margin-top: 0;
  padding: 0.85rem 0.95rem 0.55rem;
  color: var(--sofon-text);
}

.sofon-tools-page .nav-group-container {
  padding: 0.35rem 0.55rem 0.7rem;
}

.sofon-tools-page .dropdown-item {
  margin: 0.18rem 0;
  padding: 0.58rem 2.8rem 0.58rem 0.65rem;
  color: var(--sofon-text);
  border-radius: 0.85rem;
  transition: transform 150ms ease, background 150ms ease;
}

.sofon-tools-page .dropdown-item:hover,
.sofon-tools-page .dropdown-item:focus {
  color: var(--sofon-text);
  background: var(--sofon-accent-soft);
  transform: translateX(3px);
}

.sofon-tools-page .favorite-icon {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  top: 50%;
  right: 0.45rem;
  transform: translateY(-50%);
  border-radius: 50%;
}

.sofon-tools-page .favorite-icon:hover {
  background: var(--sofon-surface-strong);
}

#groupFavorites,
#favouritesVisibility,
#searchBar {
  display: none !important;
}

.sofon-help-modal .modal-content {
  color: var(--sofon-text);
  background: var(--sofon-surface-strong);
  border: 1px solid var(--sofon-border);
  border-radius: 1.5rem;
  box-shadow: var(--sofon-shadow);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.sofon-help-modal .modal-header,
.sofon-help-modal .modal-footer {
  border-color: var(--sofon-border);
}

.sofon-help-modal .modal-title {
  margin-top: 0.15rem;
  color: var(--sofon-text);
  font-weight: 800;
}

.sofon-help-intro {
  margin-bottom: 1rem;
  padding: 1rem;
  color: var(--sofon-muted);
  background: var(--sofon-accent-soft);
  border-radius: 1rem;
  line-height: 1.65;
}

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

.sofon-help-card,
.sofon-help-section {
  padding: 1rem;
  background: var(--sofon-surface);
  border: 1px solid var(--sofon-border);
  border-radius: 1rem;
}

.sofon-help-card > .material-symbols-rounded {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  color: var(--sofon-accent-strong);
  background: var(--sofon-accent-soft);
  border-radius: 0.8rem;
}

.sofon-help-card h3,
.sofon-help-section h3 {
  margin: 0.7rem 0 0.35rem;
  color: var(--sofon-text);
  font-size: 1rem;
  font-weight: 780;
}

.sofon-help-card p,
.sofon-help-section p,
.sofon-help-section li {
  color: var(--sofon-muted);
  line-height: 1.55;
}

.sofon-help-card p,
.sofon-help-section p {
  margin: 0;
}

.sofon-help-section {
  margin-top: 0.8rem;
}

.sofon-help-section h3 {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0;
}

.sofon-help-section ul {
  margin: 0.7rem 0 0;
  padding-left: 1.2rem;
}

.sofon-footer {
  width: min(calc(100% - 1.4rem), 1480px);
  margin: 0 auto 1rem;
  padding: 1rem clamp(1rem, 3vw, 1.6rem);
  color: var(--sofon-muted);
  background: var(--sofon-surface);
  border: 1px solid var(--sofon-border);
  border-radius: 1.2rem;
  box-shadow: var(--sofon-shadow-soft);
  text-align: center;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.sofon-footer p,
.sofon-footer div {
  margin: 0;
}

.sofon-footer div {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.25rem;
  font-size: 0.82rem;
}

.footer-powered-by,
.go-pro-link {
  display: none !important;
}

@media (max-width: 900px) {
  .sofon-hero {
    grid-template-columns: 1fr;
  }

  .sofon-hero h1 {
    max-width: 22ch;
  }

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

  .sofon-hero-steps article {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .sofon-hero-steps article:hover {
    transform: translateY(-3px);
  }
}

@media (max-width: 680px) {
  .sofon-navbar-shell {
    padding: 0.55rem 0.55rem 0;
  }

  .sofon-floating-navbar {
    min-height: 60px;
    border-radius: 1.05rem;
  }

  .sofon-brand-logo-wrap {
    width: 42px;
    height: 42px;
    border-radius: 0.8rem;
  }

  .sofon-brand-copy small,
  .sofon-help-label {
    display: none;
  }

  .sofon-help-button {
    width: 42px;
    padding: 0 !important;
  }

  .sofon-navbar-actions .nav-link,
  .sofon-icon-button {
    min-width: 40px;
    width: 40px;
    height: 40px;
  }

  .sofon-hero {
    width: calc(100% - 1.1rem);
    margin-top: 0.8rem;
    padding: 1.3rem;
    border-radius: 1.3rem;
  }

  .sofon-hero h1 {
    font-size: clamp(2rem, 11vw, 3.15rem);
  }

  .sofon-hero-steps {
    grid-template-columns: 1fr;
  }

  .sofon-tools-page {
    width: calc(100% - 1.1rem);
  }

  .sofon-help-grid {
    grid-template-columns: 1fr;
  }

  .sofon-footer {
    width: calc(100% - 1.1rem);
  }
}

@media (max-width: 430px) {
  .sofon-brand-copy {
    display: none;
  }

  .sofon-navbar-inner {
    gap: 0.25rem;
  }

  .sofon-navbar-actions {
    gap: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  body,
  body::before,
  body::after {
    animation: none !important;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}