:root {
  color-scheme: light;
  --font-family: "Vazirmatn", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-alt: #f1f5f9;
  --color-border: #e2e8f0;
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-accent: #f97316;
  --color-info: #2563eb;
  --color-success: #16a34a;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --shadow-soft: 0 20px 45px rgba(15, 23, 42, 0.08);
  --shadow-strong: 0 40px 80px rgba(15, 23, 42, 0.18);
  --radius-md: 18px;
  --radius-lg: 28px;
}

body[data-theme="dark"] {
  color-scheme: dark;
  --color-bg: #020617;
  --color-surface: #0f172a;
  --color-surface-alt: #111827;
  --color-border: #1e293b;
  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-primary: #60a5fa;
  --color-primary-dark: #3b82f6;
  --color-info: #60a5fa;
  --color-success: #22c55e;
  --color-warning: #facc15;
  --color-error: #f87171;
  background: #010410;
  color: var(--color-text);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-family);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  transition: background 0.3s ease, color 0.3s ease;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.12), transparent 45%),
    radial-gradient(circle at 90% 10%, rgba(14, 165, 233, 0.12), transparent 55%),
    linear-gradient(180deg, rgba(148, 163, 184, 0.08), transparent 70%);
  pointer-events: none;
}

body[data-theme="dark"]::before {
  background: radial-gradient(circle at 10% 20%, rgba(96, 165, 250, 0.16), transparent 45%),
    radial-gradient(circle at 90% 10%, rgba(56, 189, 248, 0.16), transparent 55%),
    linear-gradient(180deg, rgba(30, 41, 59, 0.6), transparent 70%);
}

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

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

h1,
h2,
h3,
h4 {
  color: var(--color-text);
  margin-top: 0;
  line-height: 1.3;
}

p {
  margin-top: 0;
  color: var(--color-text-muted);
}

.container {
  width: min(1200px, 90vw);
  margin: 0 auto;
}

.flex {
  display: flex;
}

.between {
  justify-content: space-between;
}

.center {
  align-items: center;
}

.grid {
  display: grid;
  gap: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 12px 28px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(37, 99, 235, 0.3);
}

.btn-outline {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}

.btn-outline:hover {
  background: rgba(37, 99, 235, 0.1);
}

.btn-text {
  color: var(--color-primary);
  padding: 0;
  border: none;
  background: none;
}

.btn.full {
  width: 100%;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(1.4) blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: background 0.3s ease;
}

body[data-theme="dark"] .topbar {
  background: rgba(15, 23, 42, 0.9);
}

.topbar .nav {
  display: flex;
  gap: 18px;
  font-weight: 500;
}

.topbar .nav a {
  padding: 12px 0;
  position: relative;
}

.topbar .nav a::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 4px;
  height: 2px;
  background: transparent;
  transition: background 0.2s ease;
}

.topbar .nav a:hover::after,
.topbar .nav a:focus::after {
  background: var(--color-primary);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.2rem;
}

.theme-toggle {
  border: none;
  background: var(--color-surface-alt);
  border-radius: 50%;
  width: 42px;
  height: 42px;
  cursor: pointer;
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease;
}

.theme-toggle:hover {
  transform: translateY(-2px);
}

.hero {
  padding: 120px 0 80px;
  background: radial-gradient(circle at top left, rgba(37, 99, 235, 0.12), transparent 55%),
    linear-gradient(140deg, rgba(14, 116, 144, 0.12), transparent 60%);
}

body[data-theme="dark"] .hero {
  background: radial-gradient(circle at top left, rgba(96, 165, 250, 0.12), transparent 55%),
    linear-gradient(140deg, rgba(14, 165, 233, 0.08), transparent 60%);
}

.hero-grid {
  display: flex;
  flex-direction: column;
  gap: 36px;
  align-items: center;
}

.hero-intro {
  max-width: 760px;
  text-align: center;
  margin-inline: auto;
}

.hero-intro h1 {
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  margin-bottom: 16px;
}

.hero-intro p {
  font-size: 1.05rem;
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
  justify-content: center;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 16px;
}

.hero-main {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
  max-width: min(980px, 100%);
  margin-inline: auto;
}

.hero-main > * {
  width: 100%;
}

.stat {
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.35);
  backdrop-filter: blur(12px);
}

body[data-theme="dark"] .stat {
  background: rgba(15, 23, 42, 0.75);
  border-color: rgba(148, 163, 184, 0.2);
}

.stat-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.hero-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(148, 163, 184, 0.15);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: -20% 20% 60% -20%;
  background: radial-gradient(circle at top, rgba(37, 99, 235, 0.18), transparent 65%);
  z-index: -1;
}

body[data-theme="dark"] .hero-card::before {
  background: radial-gradient(circle at top, rgba(96, 165, 250, 0.25), transparent 70%);
}

.hero-card--primary {
  backdrop-filter: blur(14px);
}

.hero-card--telegram {
  background: linear-gradient(155deg, rgba(59, 130, 246, 0.12), rgba(14, 165, 233, 0.14)), var(--color-surface);
  border-color: rgba(59, 130, 246, 0.25);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero-card--inline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  align-items: center;
}

.hero-card--inline .telegram-main {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero-card--inline .telegram-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero-card--inline .telegram-features {
  align-self: stretch;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

body[data-theme="dark"] .hero-card--telegram {
  background: linear-gradient(155deg, rgba(59, 130, 246, 0.18), rgba(14, 165, 233, 0.25)), rgba(15, 23, 42, 0.88);
  border-color: rgba(96, 165, 250, 0.35);
}

.telegram-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.telegram-badge {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.16);
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.85rem;
}

body[data-theme="dark"] .telegram-badge {
  background: rgba(96, 165, 250, 0.22);
}

.telegram-username {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.telegram-features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.telegram-features li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.telegram-features .feature-icon {
  font-size: 1.2rem;
}

.telegram-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0;
}

.btn-telegram {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  background: linear-gradient(120deg, #0ea5e9, #3b82f6);
  color: #fff;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-telegram:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(59, 130, 246, 0.25);
}

.btn-telegram:focus-visible {
  outline: 3px solid rgba(59, 130, 246, 0.35);
  outline-offset: 2px;
}

.converter-form h2 {
  margin-bottom: 8px;
}

.converter-form p {
  margin-bottom: 24px;
}

.dropzone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
  background: var(--color-surface-alt);
  margin-bottom: 24px;
  display: grid;
  gap: 12px;
  place-items: center;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.dropzone input {
  display: none;
}

.dropzone-icon {
  font-size: 2.5rem;
}

.dropzone-hint {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.dropzone.is-dragover {
  border-color: var(--color-primary);
  background: rgba(37, 99, 235, 0.08);
  transform: translateY(-2px);
}

.preset-stack {
  margin-bottom: 24px;
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.25);
  background: linear-gradient(120deg, rgba(37, 99, 235, 0.08), rgba(14, 165, 233, 0.08));
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

body[data-theme="dark"] .preset-stack {
  background: linear-gradient(120deg, rgba(37, 99, 235, 0.18), rgba(14, 165, 233, 0.15));
  border-color: rgba(148, 163, 184, 0.35);
}

.preset-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.preset-head span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.12);
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.85rem;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.chip .chip-icon {
  font-size: 1.1rem;
}

.chip.quick-action {
  border: 1px solid transparent;
  cursor: pointer;
  background: rgba(37, 99, 235, 0.14);
}

.chip.quick-action:hover,
.chip.quick-action:focus-visible {
  transform: translateY(-2px);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  box-shadow: 0 18px 36px rgba(37, 99, 235, 0.28);
}

.chip.quick-action.active {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  box-shadow: 0 20px 38px rgba(37, 99, 235, 0.32);
}

.quick-action-description {
  margin: 12px 0 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.recent-presets {
  margin: 24px 0 0;
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(148, 163, 184, 0.35);
  background: rgba(37, 99, 235, 0.08);
}

body[data-theme="dark"] .recent-presets {
  background: rgba(37, 99, 235, 0.16);
  border-color: rgba(148, 163, 184, 0.45);
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.recent-chip {
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(15, 23, 42, 0.05);
  color: var(--color-text);
  cursor: pointer;
}

body[data-theme="dark"] .recent-chip {
  background: rgba(148, 163, 184, 0.12);
}

.job-list {
  margin-top: 24px;
  display: grid;
  gap: 16px;
}

.job-item {
  padding: 18px 22px;
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
  transition: border 0.2s ease, transform 0.2s ease;
}

.job-item[data-status="completed"] {
  border-color: rgba(37, 99, 235, 0.4);
}

.job-item[data-status="failed"] {
  border-color: rgba(239, 68, 68, 0.4);
}

.job-item-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.job-format {
  font-weight: 700;
  color: var(--color-primary);
}

.job-status {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.job-download {
  margin-top: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-primary);
  font-weight: 600;
}

.job-download::before {
  content: "⬇️";
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-group select,
.form-group input,
.advanced-panel input,
.advanced-panel select {
  width: 100%;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: inherit;
  font-family: inherit;
}

.form-group select:focus,
.advanced-panel select:focus,
.form-group input:focus,
.advanced-panel input:focus {
  outline: 3px solid rgba(37, 99, 235, 0.22);
  outline-offset: 2px;
}

.field-hint {
  font-size: 0.85rem;
  margin-top: -6px;
  margin-bottom: 4px;
  color: var(--color-text-muted);
  transition: color 0.2s ease;
}

.field-hint[data-state='info'] {
  color: var(--color-info);
}

.field-hint[data-state='warning'] {
  color: var(--color-warning);
}

.field-hint[data-state='error'] {
  color: var(--color-error);
}

.form-group select option,
.advanced-panel select option {
  background: var(--color-surface);
  color: var(--color-text);
}

body[data-theme='dark'] .form-group select,
body[data-theme='dark'] .advanced-panel select {
  background: var(--color-surface-alt);
  border-color: rgba(148, 163, 184, 0.4);
}

body[data-theme='dark'] .form-group select option,
body[data-theme='dark'] .advanced-panel select option {
  background: var(--color-surface-alt);
  color: var(--color-text);
}

.advanced-options {
  margin-bottom: 24px;
}

.advanced-toggle {
  background: none;
  border: none;
  color: var(--color-primary);
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.advanced-toggle::after {
  content: "⌄";
  transition: transform 0.2s ease;
}

.advanced-toggle.active::after {
  transform: rotate(180deg);
}

.advanced-panel {
  display: none;
  margin-top: 16px;
  padding: 24px;
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
  border: 1px dashed var(--color-border);
}

.advanced-panel.open {
  display: block;
}

.panel-columns {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.panel-columns h3 {
  margin-bottom: 12px;
}

.panel-divider {
  display: block;
  height: 1px;
  margin: 16px 0;
  background: linear-gradient(90deg, rgba(148, 163, 184, 0.4), transparent);
}

.checkbox {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 8px 0;
}

.form-feedback {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 0.92rem;
  display: none;
}

.form-feedback.visible {
  display: block;
}

.form-feedback[data-state="info"] {
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-primary);
}

.form-feedback[data-state="success"] {
  background: rgba(16, 185, 129, 0.12);
  color: #047857;
}

.form-feedback[data-state="error"] {
  background: rgba(239, 68, 68, 0.1);
  color: #b91c1c;
}

.section {
  padding: 100px 0;
}

.section.alt {
  background: var(--color-surface-alt);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.features-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(148, 163, 184, 0.14);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-strong);
}

.ai-section {
  position: relative;
  overflow: hidden;
}

.ai-section::before {
  content: "";
  position: absolute;
  inset: -30% 10% 40% 10%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.18), transparent 70%);
  z-index: 0;
}

body[data-theme="dark"] .ai-section::before {
  background: radial-gradient(circle, rgba(96, 165, 250, 0.22), transparent 70%);
}

.ai-section .container {
  position: relative;
  z-index: 1;
}

.ai-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.ai-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow: hidden;
}

.ai-card::after {
  content: "";
  position: absolute;
  inset: 40% -40% -40% 40%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.15), transparent 70%);
  z-index: -1;
}

body[data-theme="dark"] .ai-card::after {
  background: radial-gradient(circle, rgba(96, 165, 250, 0.25), transparent 70%);
}

.ai-card-badge {
  align-self: flex-start;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.15);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.ai-card-icon {
  font-size: 2.3rem;
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.format-controls {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 18px;
}

.input-search {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--color-surface);
  border: 1px solid rgba(148, 163, 184, 0.25);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  width: min(320px, 100%);
}

.input-search span {
  font-size: 1rem;
  color: var(--color-text-muted);
}

.input-search input {
  border: none;
  background: transparent;
  width: 100%;
  font-family: inherit;
  font-size: 0.95rem;
  color: inherit;
}

.input-search input:focus {
  outline: none;
}

body[data-theme='dark'] .input-search {
  background: var(--color-surface-alt);
  border-color: rgba(148, 163, 184, 0.35);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.45);
}

.formats-table {
  display: grid;
  gap: 18px;
}

.format-row {
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(220px, 1fr) 3fr;
  padding: 18px 22px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid rgba(148, 163, 184, 0.16);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.format-row.visible {
  opacity: 1;
  transform: translateY(0);
}

.format-input {
  font-weight: 600;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.format-label {
  font-size: 1rem;
  color: var(--color-text);
}

.format-mime {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.format-extensions {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 700;
}

.format-outputs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.formats-empty {
  margin-top: 20px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.workflow-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.workflow-step {
  padding: 24px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(148, 163, 184, 0.16);
}

.step-number {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(37, 99, 235, 0.12);
  color: var(--color-primary);
  display: grid;
  place-items: center;
  font-weight: 700;
  margin-bottom: 12px;
}

.api-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
}

.api-sample {
  background: #0f172a;
  color: #e2e8f0;
  padding: 28px;
  border-radius: var(--radius-md);
  font-family: "Fira Code", "Consolas", monospace;
  font-size: 0.85rem;
  overflow-x: auto;
  box-shadow: var(--shadow-soft);
}

body[data-theme="dark"] .api-sample {
  background: #111c30;
}

.api-sample code {
  white-space: pre;
}

.bullet-list {
  list-style: none;
  padding: 0;
  margin: 24px 0;
}

.bullet-list li {
  padding: 10px 0;
  border-bottom: 1px dashed rgba(148, 163, 184, 0.26);
}

.pricing-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.pricing-card .price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 16px;
}

.pricing-card .amount {
  font-size: 2rem;
  font-weight: 700;
}

.pricing-card.highlighted {
  border: 2px solid var(--color-primary);
  transform: translateY(-12px);
  box-shadow: var(--shadow-strong);
}

.pricing-card ul {
  list-style: none;
  padding: 0;
  margin: 18px 0;
  display: grid;
  gap: 10px;
}

.testimonials {
  text-align: center;
}

.testimonial-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.testimonial {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid rgba(148, 163, 184, 0.16);
  box-shadow: var(--shadow-soft);
}

.testimonial footer {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 16px;
  font-size: 0.9rem;
}

.blog-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.blog-card h3 {
  margin-bottom: 12px;
}

.roadmap {
  position: relative;
  display: grid;
  gap: 22px;
  margin-top: 40px;
}

.roadmap::before {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-start: 16px;
  width: 2px;
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.3), rgba(14, 165, 233, 0.1));
}

.roadmap-item {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: 22px 28px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid rgba(148, 163, 184, 0.18);
  box-shadow: var(--shadow-soft);
  position: relative;
}

.roadmap-item::before {
  content: "";
  position: absolute;
  inset-inline-start: 6px;
  inset-block-start: 28px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.12);
}

.roadmap-timing {
  min-width: 170px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.roadmap-quarter {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 1rem;
}

.roadmap-status {
  align-self: flex-start;
  font-size: 0.85rem;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  background: rgba(37, 99, 235, 0.08);
  color: var(--color-text-muted);
}

.roadmap-body h3 {
  margin-bottom: 10px;
}

.accordion details {
  background: var(--color-surface);
  padding: 18px 24px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.16);
  margin-bottom: 12px;
}

.accordion summary {
  cursor: pointer;
  font-weight: 600;
  outline: none;
}

.accordion summary::-webkit-details-marker {
  display: none;
}

.accordion summary::after {
  content: "+";
  float: left;
  transition: transform 0.2s ease;
}

.accordion details[open] summary::after {
  transform: rotate(45deg);
}

.cta {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(14, 165, 233, 0.1));
}

body[data-theme="dark"] .cta {
  background: linear-gradient(135deg, rgba(96, 165, 250, 0.12), rgba(14, 165, 233, 0.08));
}

.cta-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cta-actions {
  display: flex;
  gap: 16px;
}

.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 48px 0;
}

.footer-container {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  align-items: center;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--color-text-muted);
}

.partners {
  padding: 40px 0;
}

.partners .logos {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.logo-chip {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.28);
  background: var(--color-surface);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

.back-to-top {
  position: fixed;
  inset-inline-end: 24px;
  inset-block-end: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background: var(--color-primary);
  color: #fff;
  cursor: pointer;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(-4px);
}

@media (max-width: 960px) {
  .topbar .nav {
    display: none;
  }

  .hero {
    padding-top: 96px;
  }

  .format-controls {
    justify-content: center;
  }

  .hero-card--inline {
    grid-template-columns: 1fr;
  }

  .roadmap::before {
    inset-inline-start: 10px;
  }

  .roadmap-item {
    flex-direction: column;
    padding-inline-start: 48px;
    position: relative;
  }

  .roadmap-item::before {
    content: "";
    position: absolute;
    inset-inline-start: 18px;
    inset-block-start: 24px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-primary);
    box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.1);
  }

  .roadmap-timing {
    min-width: auto;
    flex-direction: row;
    justify-content: space-between;
    width: 100%;
  }
}

@media (max-width: 640px) {
  .hero-grid {
    gap: 28px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-card {
    padding: 24px;
  }

  .dropzone {
    padding: 24px;
  }

  .preset-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .format-controls {
    margin-bottom: 12px;
  }

  .quick-actions {
    gap: 8px;
  }

  .roadmap::before {
    display: none;
  }

  .roadmap-item {
    padding: 20px;
    padding-inline-start: 20px;
  }

  .roadmap-item::before {
    inset-inline-start: 0;
  }

  .roadmap-timing {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }

  .cta-container {
    text-align: center;
    justify-content: center;
  }

  .cta-actions {
    width: 100%;
    justify-content: center;
  }
}