/* =========================================================
   Instafinsta — Phase 1 Design System
   Premium SaaS homepage · No gradients
   ========================================================= */

:root {
  --bg: #F8FAFC;
  --white: #FFFFFF;
  --text: #111827;
  --text-secondary: #64748B;
  --border: #E2E8F0;
  --accent: #E1306C;
  --accent-dark: #C72A5B;
  --brand: var(--accent);
  --success: #16A34A;
  --error: #DC2626;
  --warning: #D97706;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(17, 24, 39, 0.04);
  --shadow-md: 0 4px 16px rgba(17, 24, 39, 0.06);
  --shadow-lg: 0 12px 32px rgba(17, 24, 39, 0.08);
  --header-h: 68px;
  --container: 1120px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --focus: 0 0 0 3px rgba(225, 48, 108, 0.28);
  --transition: 160ms ease;
}

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

/* Ensure [hidden] wins over component display rules */
[hidden],
.is-hidden {
  display: none !important;
}

/* Result card must never paint until JS removes [hidden] after a real API success */
#result-card[hidden],
#result-card.is-hidden {
  display: none !important;
  visibility: hidden !important;
  height: 0 !important;
  overflow: hidden !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

button,
input {
  font: inherit;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1, h2, h3, h4, p {
  margin: 0;
}

.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;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 1000;
  background: var(--accent);
  color: var(--white);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: top var(--transition);
}

.skip-link:focus {
  top: 12px;
  outline: none;
  box-shadow: var(--focus);
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Focus ---------- */
:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

button:focus:not(:focus-visible),
a:focus:not(:focus-visible) {
  outline: none;
  box-shadow: none;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--accent-dark);
}

.btn-primary:focus-visible {
  box-shadow: 0 0 0 2px var(--white), 0 0 0 5px rgba(225, 48, 108, 0.45);
}

.btn-secondary {
  background: var(--white);
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover {
  border-color: #CBD5E1;
  background: #F1F5F9;
}

.btn-sm {
  min-height: 40px;
  padding: 0 16px;
  font-size: 0.875rem;
}

.btn-lg {
  min-height: 52px;
  padding: 0 28px;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

.btn-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 16px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-mark {
  display: inline-flex;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.logo-mark img,
.logo-mark svg {
  display: block;
  width: 28px;
  height: 28px;
}

.logo-text {
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  color: var(--text);
}

.logo-tag {
  display: none;
  margin-left: 2px;
  padding-left: 10px;
  border-left: 1px solid var(--border, #e5e7eb);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted, #6b7280);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

@media (min-width: 1100px) {
  .site-header .logo-tag {
    display: inline;
  }
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 4px;
}

.nav-desktop a {
  padding: 8px 12px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-desktop a:hover {
  color: var(--text);
  background: #F1F5F9;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-cta {
  display: none;
}

.menu-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--white);
  cursor: pointer;
  color: var(--text);
}

.menu-toggle-bar {
  display: block;
  height: 2px;
  width: 100%;
  background: currentColor;
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Mobile nav ---------- */
.mobile-nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 150;
  background: rgba(17, 24, 39, 0.4);
}

.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 160;
  width: min(100%, 360px);
  height: 100%;
  height: 100dvh;
  background: var(--white);
  border-left: 1px solid var(--border);
  padding: 20px;
  padding-bottom: max(20px, env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 20px;
  transform: translateX(100%);
  transition: transform 200ms ease;
  overflow-y: auto;
}

.mobile-nav.is-open {
  transform: translateX(0);
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-nav-close {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--white);
  cursor: pointer;
  color: var(--text);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.mobile-nav-list a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  color: var(--text);
  transition: background var(--transition);
}

.mobile-nav-list a:hover {
  background: #F1F5F9;
}

body.nav-open {
  overflow: hidden;
}

/* ---------- Hero ---------- */
.hero {
  padding: 28px 0 20px;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-copy {
  text-align: center;
  max-width: 720px;
  margin-bottom: 20px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  margin-bottom: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--accent-dark);
  background: #FDF2F7;
  border: 1px solid #F9D4E3;
  border-radius: 999px;
}

.hero h1 {
  font-size: clamp(2.125rem, 4.5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.12;
  color: var(--text);
  margin-bottom: 12px;
}

.hero-lead {
  font-size: clamp(1rem, 2.2vw, 1.125rem);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 540px;
  margin: 0 auto;
}

/* ---------- Downloader ---------- */
.downloader {
  width: 100%;
  max-width: 680px;
}

.downloader-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 18px;
}

.downloader-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 10px;
  letter-spacing: 0.01em;
}

.downloader-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.input-row {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 56px;
  padding: 6px 8px 6px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.input-row:focus-within {
  border-color: var(--accent);
  box-shadow: var(--focus);
  background: var(--white);
}

.input-row.is-invalid {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

.input-row.is-success {
  border-color: var(--success);
}

.input-icon {
  flex-shrink: 0;
  color: var(--text-secondary);
}

.url-input {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 0.9375rem;
  padding: 8px 0;
  outline: none;
}

.url-input::placeholder {
  color: #94A3B8;
}

.input-clear {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  flex-shrink: 0;
}

.input-clear:hover {
  background: #E2E8F0;
  color: var(--text);
}

.input-paste {
  flex-shrink: 0;
  min-height: 44px;
  min-width: 44px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--text);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.input-paste:hover {
  background: #F1F5F9;
  border-color: #CBD5E1;
}

.input-copy {
  flex-shrink: 0;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--text);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.input-copy:hover {
  background: #F1F5F9;
  border-color: #CBD5E1;
}

.input-copy:disabled,
.input-paste:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.downloader-hint {
  margin-top: 14px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-align: center;
}

.downloader-meta {
  margin-top: 6px;
  font-size: 0.8125rem;
  color: #94A3B8;
  text-align: center;
}

.downloader-status {
  margin-top: 14px;
  min-height: 0;
  text-align: center;
  font-size: 0.875rem;
  font-weight: 500;
}

.downloader-status:focus {
  outline: none;
}

.downloader-status:focus-visible {
  box-shadow: var(--focus);
  border-radius: var(--radius-sm);
}

.downloader-status.is-processing {
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
}

.downloader-status.is-error,
.downloader-status.is-invalid {
  color: var(--error);
}

.downloader-status.is-success {
  color: var(--success);
}

.status-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid #E2E8F0;
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

/* ---------- Result card ---------- */
.result-card {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

#result-single {
  display: grid;
  gap: 16px;
}

.result-thumb {
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-md);
  background: #EEF2F7;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}

.result-type {
  display: inline-flex;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-dark);
  background: #FDF2F7;
  border-radius: 999px;
}

.result-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.result-duration {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.result-ready {
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.result-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}

.result-specs > div {
  padding: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.result-specs dt {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.result-specs dd {
  margin: 0;
  font-weight: 700;
  font-size: 0.9375rem;
}

.result-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#result-quality-buttons {
  flex-direction: row;
  flex-wrap: wrap;
}

.result-preview {
  width: 100%;
  border-radius: 12px;
  max-height: 360px;
  background: #0f172a;
}

#result-carousel .result-actions {
  margin-top: 16px;
}

.result-disclaimer {
  margin-top: 12px;
  font-size: 0.75rem;
  color: #94A3B8;
  line-height: 1.5;
}

/* ---------- Trust strip ---------- */
.trust-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  width: 100%;
  max-width: 680px;
  margin-top: 24px;
}

.trust-strip li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text);
}

.trust-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  color: var(--accent);
}

.trust-icon svg {
  width: 18px;
  height: 18px;
}

/* ---------- Sections ---------- */
.section {
  padding: 64px 0;
}

.section-alt {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 40px;
}

.section-header h2 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 12px;
}

.section-sub {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---------- Stats (removed from homepage; keep unused styles inert) ---------- */
.stats-section { display: none; }

.stats-note {
  text-align: center;
  font-size: 0.75rem;
  color: #94A3B8;
  margin-bottom: 20px;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.stat-item {
  text-align: center;
  padding: 20px 12px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  line-height: 1.1;
}

.stat-label {
  margin-top: 6px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ---------- Features ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.feature-block {
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.feature-block:hover {
  border-color: #CBD5E1;
  box-shadow: var(--shadow-sm);
}

.feature-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: #FDF2F7;
  color: var(--accent);
  margin-bottom: 14px;
}

.feature-block h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.feature-block p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ---------- Supported content ---------- */
.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.content-card {
  display: flex;
  flex-direction: column;
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.content-card:hover {
  border-color: #CBD5E1;
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.content-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--white);
  border: 1px solid var(--border);
  color: var(--accent);
  margin-bottom: 14px;
}

.content-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.content-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.content-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--white);
  align-self: flex-start;
}

/* ---------- Showcase ---------- */
.showcase-grid {
  display: grid;
  gap: 36px;
  align-items: center;
}

.product-mockup {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.browser-chrome {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  background: #F1F5F9;
}

.browser-dots {
  display: flex;
  gap: 6px;
}

.browser-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #CBD5E1;
}

.browser-url {
  flex: 1;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
}

.browser-body {
  padding: 20px;
}

.mock-brand {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.mock-input {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.mock-input-text {
  flex: 1;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  padding: 0 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mock-btn {
  flex-shrink: 0;
  background: var(--accent);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 6px;
}

.mock-hint {
  margin: 14px 0 0;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  text-align: center;
}

.mock-result {
  display: none;
}

.mock-thumb {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  background: #E2E8F0;
  flex-shrink: 0;
}

.mock-result-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.mock-result-title {
  font-size: 0.875rem;
  font-weight: 700;
}

.mock-result-sub {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.showcase-copy h2 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 14px;
}

.showcase-copy > p {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  margin-bottom: 20px;
  line-height: 1.65;
}

.showcase-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.showcase-list li {
  position: relative;
  padding-left: 28px;
  font-weight: 500;
  color: var(--text);
}

.showcase-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #FDF2F7;
  border: 1px solid #F9D4E3;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5' stroke='%23E1306C' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: 12px;
  background-repeat: no-repeat;
  background-position: center;
}

/* ---------- Steps ---------- */
.steps {
  display: grid;
  gap: 16px;
}

.step {
  padding: 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.step-num {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent);
  margin-bottom: 12px;
  line-height: 1;
}

.step h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ---------- Why ---------- */
.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  max-width: 800px;
  margin: 0 auto;
}

.why-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9375rem;
}

.why-check {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #ECFDF5;
  color: var(--success);
  flex-shrink: 0;
}

/* ---------- SEO ---------- */
.seo-content {
  max-width: 720px;
}

.seo-content h2 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 20px;
}

.seo-content h3 {
  font-size: 1.1875rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 28px 0 12px;
}

.seo-content p {
  color: var(--text-secondary);
  margin-bottom: 14px;
  line-height: 1.7;
  font-size: 1rem;
}

.seo-content em {
  font-style: normal;
  font-weight: 600;
  color: var(--text);
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--white);
  overflow: hidden;
}

.faq-item + .faq-item {
  border-top: 1px solid var(--border);
}

.faq-item h3 {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 56px;
  padding: 16px 20px;
  border: none;
  background: transparent;
  text-align: left;
  font-size: 0.9875rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  transition: background var(--transition);
}

.faq-trigger:hover {
  background: #F8FAFC;
}

.faq-icon {
  width: 20px;
  height: 20px;
  position: relative;
  flex-shrink: 0;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--text-secondary);
  transition: transform 180ms ease, opacity 180ms ease;
}

.faq-icon::before {
  width: 12px;
  height: 2px;
  top: 9px;
  left: 4px;
}

.faq-icon::after {
  width: 2px;
  height: 12px;
  top: 4px;
  left: 9px;
}

.faq-trigger[aria-expanded="true"] .faq-icon::after {
  transform: rotate(90deg);
  opacity: 0;
}

.faq-panel {
  padding: 0 20px 18px;
}

.faq-panel p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.65;
}

/* ---------- Final CTA ---------- */
.final-cta {
  padding: 72px 0;
}

.final-cta-inner {
  text-align: center;
  max-width: 520px;
  padding: 40px 24px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.final-cta h2 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 10px;
}

.final-cta p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: #0F172A;
  color: #CBD5E1;
  padding: 56px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid #1E293B;
}

.footer-brand .logo-text {
  color: var(--white);
}

.footer-brand p {
  margin-top: 14px;
  font-size: 0.9375rem;
  line-height: 1.6;
  max-width: 280px;
  color: #94A3B8;
}

.footer-heading {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 14px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.9375rem;
  color: #94A3B8;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--white);
}

.footer-bottom {
  padding-top: 24px;
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: #64748B;
  text-align: center;
}

/* =========================================================
   Responsive
   ========================================================= */

@media (max-width: 379px) {
  .input-icon {
    display: none;
  }

  .hero h1 {
    font-size: 2rem;
  }
}

@media (min-width: 480px) {
  .trust-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .result-actions {
    flex-direction: row;
  }

  .result-actions .btn {
    flex: 1;
  }
}

@media (min-width: 640px) {
  .downloader-card {
    padding: 28px;
  }

  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

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

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

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

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

@media (min-width: 768px) {
  .hero {
    padding: 48px 0 36px;
  }

  .hero-copy {
    margin-bottom: 24px;
  }

  .downloader-card {
    padding: 24px;
  }

  .input-row {
    min-height: 60px;
  }

  .trust-strip {
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
  }

  .trust-strip li {
    justify-content: center;
    text-align: center;
    flex-direction: column;
    gap: 6px;
    padding: 14px 10px;
  }

  .result-card #result-single {
    grid-template-columns: 200px 1fr;
    align-items: start;
  }

  .result-thumb {
    aspect-ratio: 1;
  }

  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .showcase-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
  }

  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
  }

  .footer-bottom p {
    text-align: left;
  }
}

@media (min-width: 1024px) {
  .menu-toggle {
    display: none;
  }

  .nav-desktop {
    display: flex;
  }

  .header-cta {
    display: inline-flex;
  }

  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .content-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .section {
    padding: 80px 0;
  }

  .hero {
    padding: 64px 0 48px;
  }

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

@media (min-width: 1280px) {
  .container {
    padding: 0 24px;
  }
}

/* ---------- Phase 2: format controls + media grid ---------- */
.result-thumb {
  position: relative;
  overflow: hidden;
}

.result-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.result-thumb.has-image .result-thumb-icon {
  display: none;
}

.format-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}

.format-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.format-select {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--white);
  color: var(--text);
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 0 10px;
}

.format-fallback {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text);
}

.format-field.is-single .format-select {
  display: none;
}

.format-field:not(.is-single) .format-fallback {
  display: none;
}

.media-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 12px;
}

.media-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.media-card-thumb {
  aspect-ratio: 1;
  background: #EEF2F7;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  overflow: hidden;
}

.media-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-card-placeholder {
  font-size: 1.25rem;
}

.media-card-body {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.media-card-type {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text);
}

@media (max-width: 379px) {
  .media-grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 768px) {
  .media-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .media-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---------- Phase 3: nav dropdown, breadcrumbs, tool/blog/404 ---------- */
.nav-item {
  position: relative;
}

.nav-dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border: none;
  background: transparent;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  min-height: 40px;
}

.nav-dropdown-toggle:hover {
  color: var(--text);
  background: #F1F5F9;
}

.nav-caret {
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 260px;
  padding: 8px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 2px;
  z-index: 120;
}

.nav-dropdown a {
  display: block;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
}

.nav-dropdown a:hover {
  background: #F8FAFC;
}

.mobile-accordion-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  padding: 12px 14px;
  border: none;
  background: transparent;
  font: inherit;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.mobile-accordion-panel {
  list-style: none;
  margin: 0;
  padding: 0 0 8px 12px;
}

.mobile-accordion-panel a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.breadcrumbs {
  border-bottom: 1px solid var(--border);
  background: var(--white);
  padding: 12px 0;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.breadcrumb-item a {
  color: var(--text-secondary);
  font-weight: 500;
}

.breadcrumb-item a:hover {
  color: var(--accent);
}

.breadcrumb-item[aria-current="page"] {
  color: var(--text);
  font-weight: 600;
}

.breadcrumb-sep {
  color: #CBD5E1;
}

.tool-visual {
  max-width: 420px;
  margin: 20px 0 0;
}

.tool-visual svg {
  width: 100%;
  height: auto;
  display: block;
}

@media (min-width: 768px) {
  .tool-hero {
    padding-top: 36px;
    padding-bottom: 28px;
  }
}

.tool-notice {
  margin: 0 0 12px;
  padding: 10px 12px;
  border: 1px solid #F9D4E3;
  background: #FDF2F7;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--accent-dark);
}

.responsible-note {
  margin-top: 24px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.related-grid {
  grid-template-columns: 1fr;
}

.footer-heading-spaced {
  margin-top: 24px;
}

.footer-muted {
  color: #64748B;
  font-size: 0.9375rem;
}

.blog-hero {
  padding-bottom: 24px;
}

.blog-empty {
  padding: 36px 24px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  background: var(--white);
  text-align: center;
}

.blog-empty h3 {
  margin-bottom: 8px;
}

.blog-empty p {
  color: var(--text-secondary);
}

.blog-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.blog-search {
  display: flex;
  gap: 8px;
  width: 100%;
  max-width: 420px;
}

.blog-search input {
  flex: 1;
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0 12px;
  background: var(--white);
}

.blog-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.blog-categories li {
  padding: 0;
  border: none;
  background: transparent;
}

.blog-categories a {
  display: inline-block;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--white);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
}

.blog-categories a:hover {
  color: var(--brand);
  border-color: #F9A8D4;
}

/* ---------- Phase 4: blog CMS layouts ---------- */
.blog-layout {
  display: grid;
  gap: 40px;
}

@media (min-width: 1024px) {
  .blog-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }

  .article-layout .article-col {
    max-width: 760px;
  }
}

.post-grid {
  display: grid;
  gap: 24px;
}

@media (min-width: 720px) {
  .post-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

.post-card,
.post-featured {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.post-card-media,
.post-featured-media,
.home-tip-media {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #E2E8F0;
}

.post-card-media img,
.post-featured-media img,
.home-tip-media img,
.article-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.post-card-body,
.post-featured-body {
  padding: 18px 18px 20px;
}

.post-featured {
  display: grid;
}

@media (min-width: 800px) {
  .post-featured {
    grid-template-columns: 1.1fr 1fr;
  }

  .post-featured-media {
    aspect-ratio: auto;
    min-height: 100%;
  }
}

.post-card-cat {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--brand);
  text-decoration: none;
  margin-bottom: 8px;
}

.post-card-title,
.post-featured-title {
  font-size: 1.125rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
  line-height: 1.35;
}

.post-featured-title {
  font-size: 1.5rem;
}

.post-card-title a,
.post-featured-title a,
.home-tip-card h3 a {
  color: inherit;
  text-decoration: none;
}

.post-card-title a:hover,
.post-featured-title a:hover,
.home-tip-card h3 a:hover {
  color: var(--brand);
}

.post-card-excerpt,
.post-featured-body p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0 0 14px;
}

.post-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.blog-pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 28px;
}

.pager-pages {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.pager-pages a,
.pager-prev,
.pager-next {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--white);
  color: var(--text);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 550;
}

.pager-pages a.is-current {
  border-color: var(--brand);
  color: var(--brand);
}

.pager-prev.is-disabled,
.pager-next.is-disabled {
  opacity: 0.45;
}

.blog-sidebar {
  display: grid;
  gap: 20px;
}

.sidebar-block,
.sidebar-cta {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
}

.sidebar-heading {
  font-size: 0.9375rem;
  font-weight: 750;
  margin: 0 0 12px;
}

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

.sidebar-post-list a {
  display: block;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1.35;
}

.sidebar-post-list a:hover {
  color: var(--brand);
}

.sidebar-post-list span,
.sidebar-empty {
  display: block;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.sidebar-cta h2 {
  font-size: 1.0625rem;
  margin: 0 0 8px;
}

.sidebar-cta p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.55;
  margin: 0 0 14px;
}

.article-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 10px 0 12px;
}

.article-excerpt {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0 0 14px;
}

.article-byline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.article-hero-image {
  margin: 0 0 28px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
}

.article-toc {
  margin: 0 0 28px;
}

.toc-details {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--white);
  padding: 12px 16px;
}

.toc-details summary {
  cursor: pointer;
  font-weight: 700;
}

.toc-list {
  margin: 12px 0 4px;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.toc-list a {
  color: var(--text);
  text-decoration: none;
}

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

.toc-level-h3 {
  margin-left: 12px;
}

@media (min-width: 768px) {
  .toc-details[open] summary,
  .toc-details summary {
    pointer-events: none;
    list-style: none;
  }

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

  .toc-details {
    open: true;
  }

  .toc-details:not([open]) {
    /* force open on desktop via JS-less: keep details open attribute in markup instead */
  }
}

.prose {
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--text);
}

.prose h2 {
  font-size: 1.5rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  margin: 2rem 0 0.75rem;
  scroll-margin-top: 96px;
}

.prose h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 1.5rem 0 0.6rem;
  scroll-margin-top: 96px;
}

.prose p,
.prose ul,
.prose ol,
.prose table {
  margin: 0 0 1.1rem;
}

.prose ul,
.prose ol {
  padding-left: 1.25rem;
}

.prose a {
  color: var(--brand);
}

.prose img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

.prose blockquote {
  margin: 0 0 1.1rem;
  padding: 12px 16px;
  border-left: 3px solid var(--brand);
  background: var(--bg);
  color: var(--text-secondary);
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.prose th,
.prose td {
  border: 1px solid var(--border);
  padding: 8px 10px;
  text-align: left;
}

.article-cta {
  margin: 36px 0;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg);
}

.article-cta h2 {
  margin: 0 0 8px;
  font-size: 1.25rem;
}

.article-cta p {
  color: var(--text-secondary);
  margin: 0 0 14px;
}

.related-articles {
  margin-top: 40px;
}

.article-adjacent {
  display: grid;
  gap: 16px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

@media (min-width: 720px) {
  .article-adjacent {
    grid-template-columns: 1fr 1fr;
  }
}

.article-adjacent a {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text);
  background: var(--white);
}

.article-adjacent a:hover {
  border-color: #F9A8D4;
}

.article-adjacent span {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.adj-next {
  text-align: right;
}

.share-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}

.share-label {
  font-size: 0.8125rem;
  font-weight: 650;
  color: var(--text-secondary);
  margin-right: 4px;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--white);
  color: var(--text);
  text-decoration: none;
  font-size: 0.8125rem;
  font-weight: 550;
  cursor: pointer;
  font-family: inherit;
}

.share-btn:hover {
  border-color: #F9A8D4;
  color: var(--brand);
}

.home-tip-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.home-tip-card .home-tip-media {
  margin: -20px -20px 8px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.home-tips-more {
  margin-top: 20px;
  text-align: center;
}

.home-tips-empty {
  margin-top: 8px;
}

.blog-cat-nav {
  margin-top: 40px;
}

.article-faq {
  margin-top: 36px;
}

.article-author {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin: 28px 0 8px;
  padding: 16px 0 0;
  border-top: 1px solid var(--border);
}

.article-author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--surface, #F1F5F9);
}

.article-author-name {
  font-weight: 700;
  margin: 0 0 4px;
}

.article-author-bio {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--muted, #64748B);
  line-height: 1.5;
}

.content-grid-tools {
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

@media (max-width: 640px) {
  .content-grid-tools {
    grid-template-columns: 1fr;
  }

  .article-hero-image {
    margin-block: 16px;
  }
}


.section-title-left {
  font-size: 1.25rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.narrow-content {
  max-width: 760px;
}

.legal-hero {
  padding-bottom: 8px;
}

.legal-hero .badge {
  margin-bottom: 10px;
}

.legal-card {
  background: var(--surface, #fff);
  border: 1px solid var(--border, #e5e7eb);
  border-radius: 16px;
  padding: clamp(24px, 4vw, 40px);
  box-shadow: 0 1px 2px rgba(17, 24, 39, 0.04);
}

.legal-lead {
  font-size: 1.125rem;
  color: var(--text);
  font-weight: 600;
  line-height: 1.55;
}

.legal-card h2:first-of-type {
  margin-top: 8px;
}

.narrow-content h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 12px 0 14px;
}

.narrow-content h2 {
  margin: 28px 0 12px;
  font-size: 1.25rem;
}

.narrow-content p,
.narrow-content li {
  color: var(--text-secondary);
  line-height: 1.7;
}

.plain-list {
  list-style: disc;
  padding-left: 20px;
  display: grid;
  gap: 8px;
}

.info-banner {
  margin: 24px 0;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg);
}

.info-banner p {
  margin-top: 8px;
}

.notfound-section {
  min-height: 60vh;
  display: flex;
  align-items: center;
}

.notfound-inner {
  text-align: center;
  max-width: 560px;
}

.notfound-inner h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  margin: 12px 0;
}

.notfound-inner > p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.notfound-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 36px;
}

@media (min-width: 640px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .related-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- Premium polish (keep existing identity) ---------- */
.nav-desktop a:hover,
.footer-links a:hover {
  color: var(--accent);
}

.btn-primary:hover {
  transform: translateY(-1px);
}

@media (prefers-reduced-motion: reduce) {
  .btn-primary:hover {
    transform: none;
  }
}

.downloader-card {
  padding: 22px;
}

.result-preview {
  width: 100%;
  border-radius: var(--radius-sm);
  background: #0f172a;
}

.post-card {
  transition: box-shadow var(--transition), transform var(--transition);
}

.post-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.article-page {
  padding: 28px 0 64px;
  background: var(--white);
}

.article-page .container.article-prose,
.article-prose {
  max-width: 780px;
  margin: 0 auto;
  text-align: left;
}

.article-header {
  margin: 0 0 28px;
}

.article-header .badge {
  margin-bottom: 16px;
}

.article-header h1,
.article-prose > h1,
.article-page h1 {
  font-size: clamp(1.75rem, 3.6vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.22;
  color: var(--text);
  margin: 0 0 12px;
}

.article-meta {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-secondary);
  margin: 0;
}

.article-prose {
  font-size: 1.0625rem;
  color: var(--text);
}

.article-prose h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.375rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--text);
}

.article-prose h3 {
  margin: 1.5rem 0 0.55rem;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.35;
  color: var(--text);
}

.article-prose p,
.article-prose li {
  color: var(--text);
  line-height: 1.8;
}

.article-prose p {
  margin: 0 0 1.15em;
}

.article-prose ul,
.article-prose ol {
  margin: 0 0 1.25rem;
  padding-left: 1.35rem;
  list-style: disc;
}

.article-prose ol {
  list-style: decimal;
}

.article-prose li {
  margin: 0 0 0.45rem;
}

.article-prose li:last-child {
  margin-bottom: 0;
}

.article-prose a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.article-prose a:hover {
  color: var(--accent-dark);
}

.article-prose img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 0 1.15em;
  border-radius: var(--radius-md);
}

.article-prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.article-prose .table-scroll {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 0 1.25rem;
}

.article-prose th,
.article-prose td {
  border: 1px solid var(--border);
  padding: 8px 10px;
  text-align: left;
}

.article-callout {
  margin: 0 0 1.35rem;
  padding: 16px 18px;
  background: #F8FAFC;
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
}

.article-callout p:last-child {
  margin-bottom: 0;
}

.article-ad-slot:empty,
.article-ad-slot:not(:has(*)) {
  min-height: 0;
  height: 0;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

.article-ad-slot:has(*) {
  max-height: 120px;
  margin: 0 0 1.25rem;
  overflow: hidden;
}

@media (max-width: 767px) {
  .article-page {
    padding: 16px 0 48px;
  }

  .article-header {
    margin-bottom: 20px;
  }

  .article-header h1,
  .article-prose > h1,
  .article-page h1 {
    font-size: 1.625rem;
  }

  .article-prose {
    font-size: 1rem;
  }

  .article-prose h2 {
    font-size: 1.25rem;
    margin-top: 1.65rem;
  }

  .article-ad-slot:has(*) {
    max-height: 90px;
  }
}

.blog-featured {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

/* ---------- Contact Us ---------- */
.contact-page,
body:has(.contact-layout) {
  background: #F8FAFC;
}

.contact-hero {
  padding: 48px 0 20px;
  background: #fff;
  text-align: center;
}

.contact-hero-inner {
  max-width: 720px;
}

.contact-hero .badge {
  margin-bottom: 12px;
}

.contact-hero h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
  color: #0F172A;
}

.contact-hero-lead {
  margin: 0 auto;
  max-width: 640px;
  color: #64748B;
  font-size: 1.0625rem;
  line-height: 1.7;
}

.contact-layout {
  padding: 28px 0 80px;
}

.contact-grid {
  display: grid;
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}

.contact-help,
.contact-card {
  background: #fff;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
}

.contact-help {
  padding: 28px;
}

.contact-help h2 {
  font-size: 1.125rem;
  font-weight: 750;
  margin: 0 0 16px;
  color: #0F172A;
}

.contact-help ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.contact-help li {
  position: relative;
  padding-left: 18px;
  color: #475569;
  line-height: 1.5;
}

.contact-help li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #E1306C;
}

.contact-help-note {
  margin: 20px 0 0;
  font-size: 0.875rem;
  color: #64748B;
  line-height: 1.6;
}

.contact-card {
  padding: 28px;
}

.contact-form .form-field {
  margin-bottom: 18px;
}

.contact-form label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  color: #0F172A;
  margin-bottom: 8px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  color: #0F172A;
  background: #fff;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

.contact-form input:hover,
.contact-form textarea:hover {
  border-color: #CBD5E1;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #E1306C;
  box-shadow: 0 0 0 4px rgba(225, 48, 108, 0.14);
}

.contact-form .form-field-submit {
  margin-bottom: 0;
  margin-top: 8px;
}

.contact-form .btn-primary {
  min-height: 48px;
  width: 100%;
}

.contact-form .btn-primary:hover {
  filter: brightness(0.96);
}

.contact-flash {
  padding: 12px 14px;
  border-radius: 12px;
  margin: 0 0 18px;
  font-size: 0.9375rem;
  line-height: 1.5;
}

.contact-flash--ok {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
}

.contact-flash--err {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

.site-footer {
  overflow-x: hidden;
}

@media (min-width: 640px) {
  .contact-form .btn-primary {
    width: auto;
    min-width: 180px;
    padding-left: 28px;
    padding-right: 28px;
  }
}

@media (min-width: 900px) {
  .contact-hero {
    padding: 64px 0 24px;
  }

  .contact-grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 28px;
    align-items: start;
  }

  .contact-card,
  .contact-help {
    padding: 32px;
  }
}

@media (max-width: 640px) {
  .input-copy {
    display: none;
  }

  .contact-hero,
  .contact-layout,
  .contact-card,
  .contact-help {
    overflow-x: hidden;
  }
}

.post-card-media--placeholder {
  background: #F1F5F9;
  display: flex;
  align-items: center;
  justify-content: center;
}

.post-card-media--placeholder::after {
  content: "Instafinsta";
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #94A3B8;
}

.post-card-media--placeholder img {
  object-fit: contain;
  padding: 18%;
}

.featured-post-title {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 750;
  letter-spacing: -0.02em;
  margin: 8px 0 12px;
  line-height: 1.3;
}

.featured-post-excerpt {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.post-featured-body {
  padding: 24px;
}

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

.sitemap-list {
  color: var(--text);
}

.contact-faq {
  padding-top: 0;
}

.contact-faq-inner {
  max-width: 960px;
  margin: 0 auto;
}

.contact-faq h2 {
  margin-bottom: 12px;
}

video,
.result-preview,
.result-media,
.result-card,
.downloader-card,
.post-card,
.post-featured,
.legal-card,
.contact-card {
  max-width: 100%;
}

.header-inner,
.container,
.footer-grid,
.input-row,
.contact-form input,
.contact-form textarea {
  min-width: 0;
}

@media (max-width: 479px) {
  :root {
    --header-h: 60px;
  }

  .hero h1,
  .blog-hero h1,
  .contact-hero h1,
  .legal-hero h1,
  .article-title {
    font-size: 1.75rem;
    line-height: 1.2;
    overflow-wrap: anywhere;
  }

  .header-inner {
    gap: 8px;
  }

  .logo-text {
    font-size: 1rem;
  }

  .header-cta {
    padding-left: 12px;
    padding-right: 12px;
  }

  .input-row {
    flex-wrap: wrap;
    min-height: 0;
    padding: 8px;
  }

  .url-input {
    flex: 1 1 100%;
    font-size: 16px;
  }

  .input-paste,
  .input-copy,
  .input-clear {
    min-height: 44px;
  }

  .btn,
  .btn-lg,
  .btn-block {
    min-height: 44px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-brand p {
    max-width: none;
  }

  .post-card-body,
  .contact-card,
  .contact-help,
  .legal-card {
    padding: 18px;
  }

  .section {
    padding: 40px 0;
  }

  .sitemap-grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 768px) {
  .sitemap-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .sitemap-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.result-audio {
  width: 100%;
  margin-top: 8px;
}

.media-card-index {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.media-card-thumb video,
.media-card-thumb img,
.result-preview,
.result-audio {
  max-width: 100%;
}

.related-tool-card .btn {
  min-height: 40px;
}

.tool-hero .hero-inner {
  display: grid;
  gap: 24px;
}

.tool-hero .downloader {
  width: 100%;
  max-width: 680px;
}

.tool-hero .trust-strip {
  max-width: 680px;
}

.downloader-meta {
  margin: 10px 0 0;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
}

.nav-desktop a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
}

@media (max-width: 767px) {
  .tool-hero .hero-inner {
    grid-template-columns: 1fr;
  }

  .media-grid {
    grid-template-columns: 1fr;
  }

  .result-preview {
    max-height: 240px;
  }

  .format-controls {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 900px) {
  .tool-hero .hero-inner {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
    align-items: start;
  }

  .tool-hero .trust-strip {
    grid-column: 1 / -1;
  }
}