/* ==========================================================================
   IMPORTS & FONTS
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@500;600;700;800&family=Manrope:wght@500;600;700&display=swap');

/* ==========================================================================
   DESIGN VARIABLES & SYSTEM TOKENS
   ========================================================================== */
:root {
  /* Fonts */
  --font-heading: 'Plus Jakarta Sans', 'Manrope', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  /* Colors - Light Mode (Default) */
  --color-primary: #1A3A6B;       /* Deep Blue */
  --color-secondary: #4F46E5;     /* Indigo */
  --color-accent: #06B6D4;        /* Cyan */
  --color-bg: #FAFAFA;
  --color-surface: #FFFFFF;
  --color-surface-hover: #F3F4F6;
  --color-text: #111827;
  --color-text-muted: #6B7280;
  --color-border: #E5E7EB;
  --color-success: #10B981;
  --color-error: #EF4444;
  --color-warning: #F59E0B;
  --color-info: #3B82F6;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-glow: 0 0 15px 3px rgba(79, 70, 229, 0.1);

  /* Borders & Spacing */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 30px;
  --radius-full: 9999px;
  --transition-speed: 200ms;
}

[data-theme="dark"] {
  /* Colors - Dark Mode */
  --color-primary: #3B82F6;       /* Radiant Blue */
  --color-secondary: #818CF8;     /* Radiant Indigo */
  --color-accent: #22D3EE;        /* Radiant Cyan */
  --color-bg: #0F172A;            /* Rich Slate-900 */
  --color-surface: #1E293B;       /* Slate-800 */
  --color-surface-hover: #334155; /* Slate-700 */
  --color-text: #F1F5F9;          /* Slate-100 */
  --color-text-muted: #94A3B8;    /* Slate-400 */
  --color-border: #334155;        /* Slate-700 */
  --color-success: #34D399;
  --color-error: #F87171;
  --color-warning: #FBBF24;
  --color-info: #60A5FA;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 20px 4px rgba(59, 130, 246, 0.15);
}

/* ==========================================================================
   BASE STYLES
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  height: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-speed) ease, 
              color var(--transition-speed) ease, 
              border-color var(--transition-speed) ease,
              box-shadow var(--transition-speed) ease;
}

a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--transition-speed) ease;
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.5rem;
}

h1 { font-size: 2.5rem; letter-spacing: -0.02em; }
h2 { font-size: 2rem; letter-spacing: -0.01em; margin-top: 2rem; }
h3 { font-size: 1.5rem; margin-top: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1.25rem;
  color: var(--color-text);
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-center { text-align: center; }

/* ==========================================================================
   BUTTONS & FORM ELEMENTS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-speed) ease, 
              box-shadow var(--transition-speed) ease, 
              background-color var(--transition-speed) ease,
              color var(--transition-speed) ease;
  user-select: none;
}

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

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background-color: var(--color-secondary);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.btn-outline:hover {
  background-color: var(--color-surface-hover);
  border-color: var(--color-text-muted);
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.btn-icon:hover {
  background-color: var(--color-surface-hover);
}

/* ==========================================================================
   HEADER / STICKY NAV
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-speed) ease,
              border-color var(--transition-speed) ease;
}

[data-theme="dark"] .site-header {
  background-color: rgba(15, 23, 42, 0.8);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
}

.logo-icon {
  width: 32px;
  height: 32px;
  color: var(--color-secondary);
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 1.5rem;
}

.nav-links a {
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0.25rem;
  position: relative;
}

.nav-links a:hover, 
.nav-links a.active {
  color: var(--color-text);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-secondary);
  transition: width var(--transition-speed) ease;
}

.nav-links a:hover::after, 
.nav-links a.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-text);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 4rem 0 2rem 0;
  margin-top: auto;
  transition: background-color var(--transition-speed) ease,
              border-color var(--transition-speed) ease;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-brand h3 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: all var(--transition-speed) ease;
}

.footer-social a:hover {
  color: var(--color-text);
  background-color: var(--color-surface-hover);
  transform: translateY(-2px);
  border-color: var(--color-text-muted);
}

.footer-column h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
  color: var(--color-text);
}

.footer-column ul {
  list-style: none;
}

.footer-column ul li {
  margin-bottom: 0.75rem;
}

.footer-column ul li a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  transition: color var(--transition-speed) ease;
}

.footer-column ul li a:hover {
  color: var(--color-text);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

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

/* ==========================================================================
   HERO & DOWNLOADER MODULE
   ========================================================================== */
.hero-section {
  padding: 5rem 0 4rem 0;
  background: radial-gradient(circle at top, rgba(79, 70, 229, 0.05) 0%, rgba(250, 250, 250, 0) 70%);
}

[data-theme="dark"] .hero-section {
  background: radial-gradient(circle at top, rgba(59, 130, 246, 0.08) 0%, rgba(15, 23, 42, 0) 70%);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
}

/* Downloader UI Card */
.downloader-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  margin-bottom: 2rem;
  transition: transform var(--transition-speed) ease,
              border-color var(--transition-speed) ease,
              box-shadow var(--transition-speed) ease;
}

.downloader-form {
  display: flex;
  gap: 0.75rem;
  position: relative;
}

.input-wrapper {
  position: relative;
  flex-grow: 1;
}

.downloader-input {
  width: 100%;
  height: 56px;
  padding: 0 1.25rem 0 3.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1.05rem;
  outline: none;
  transition: all var(--transition-speed) ease;
}

.downloader-input:focus {
  border-color: var(--color-secondary);
  background-color: var(--color-surface);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.15);
}

.input-icon {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  pointer-events: none;
}

.btn-paste {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
}

.btn-paste:hover {
  background-color: var(--color-surface-hover);
}

.downloader-submit {
  height: 56px;
  padding: 0 2rem;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
  background-color: var(--color-secondary);
  color: #FFFFFF;
  border: none;
  cursor: pointer;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-speed) ease;
}

.downloader-submit:hover {
  background-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.downloader-submit:active {
  transform: translateY(0);
}

/* Trust Badges */
.trust-badges {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.badge-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.badge-icon {
  width: 16px;
  height: 16px;
  color: var(--color-success);
}

/* Downloader Result & Feedback */
.downloader-feedback {
  margin-top: 1.5rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  display: none;
  font-size: 0.95rem;
  font-weight: 500;
  align-items: center;
  gap: 0.75rem;
}

.feedback-error {
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: var(--color-error);
  display: flex;
}

.feedback-success {
  background-color: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: var(--color-success);
  display: flex;
}

.downloader-loader {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-top: 2.5rem;
  gap: 1rem;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-secondary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.downloader-results {
  display: none;
  margin-top: 2.5rem;
  border-top: 1px solid var(--color-border);
  padding-top: 2.5rem;
}

.result-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2rem;
}

.result-preview-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  height: fit-content;
}

.preview-media-box {
  width: 100%;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: #000;
  aspect-ratio: 16 / 9;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-media-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.preview-media-box video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.author-info-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
}

.author-avatar {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
}

.author-meta {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.2;
}

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

.tweet-text-content {
  font-size: 0.9rem;
  color: var(--color-text);
  margin-top: 0.5rem;
  width: 100%;
  word-break: break-word;
}

.result-options-card {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.download-options-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.download-option-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-speed) ease;
}

.download-option-row:hover {
  border-color: var(--color-secondary);
}

.option-details {
  display: flex;
  flex-direction: column;
}

.option-title {
  font-weight: 700;
  color: var(--color-text);
  font-size: 1rem;
}

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

/* ==========================================================================
   FEATURES SECTION
   ========================================================================== */
.features-section {
  padding: 5rem 0;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-speed) ease,
              border-color var(--transition-speed) ease;
}

.section-header {
  max-width: 700px;
  margin: 0 auto 4rem auto;
}

.section-tag {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  background-color: rgba(79, 70, 229, 0.08);
  color: var(--color-secondary);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

[data-theme="dark"] .section-tag {
  background-color: rgba(59, 130, 246, 0.15);
  color: var(--color-primary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  transition: all var(--transition-speed) ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-secondary);
}

.feature-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: background-color var(--transition-speed) ease,
              border-color var(--transition-speed) ease;
}

.feature-icon-box svg {
  width: 24px;
  height: 24px;
}

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 0;
}

/* ==========================================================================
   HOW IT WORKS (TIMELINE)
   ========================================================================== */
.how-it-works-section {
  padding: 5rem 0;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  position: relative;
  margin-top: 3rem;
}

.timeline-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
}

.step-number-box {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  color: var(--color-text);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
  z-index: 2;
  transition: border-color var(--transition-speed) ease,
              background-color var(--transition-speed) ease;
}

.timeline-step:hover .step-number-box {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.timeline-step h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.timeline-step p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  max-width: 300px;
  margin-bottom: 0;
}

/* Timeline connecting lines (Desktop) */
.timeline::after {
  content: '';
  position: absolute;
  top: 30px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(to right, var(--color-border) 0%, var(--color-border) 100%);
  z-index: 1;
}

/* ==========================================================================
   TRUST SECTION
   ========================================================================== */
.trust-section {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 3.5rem 0;
  transition: background-color var(--transition-speed) ease,
              border-color var(--transition-speed) ease;
}

.trust-row {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.trust-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.trust-value {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.trust-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   SEO CONTENT BLOCKS
   ========================================================================== */
.seo-content-section {
  padding: 5rem 0;
}

.seo-grid {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 4rem;
}

.seo-rich-text {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.75;
}

.seo-rich-text p {
  margin-bottom: 1.5rem;
  color: var(--color-text);
}

.seo-rich-text ul, 
.seo-rich-text ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.seo-rich-text li {
  margin-bottom: 0.5rem;
}

.seo-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.sidebar-widget {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: background-color var(--transition-speed) ease,
              border-color var(--transition-speed) ease;
}

.sidebar-widget h3 {
  font-size: 1.15rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.5rem;
}

.sidebar-links {
  list-style: none;
}

.sidebar-links li {
  margin-bottom: 0.75rem;
}

.sidebar-links a {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  display: block;
}

.sidebar-links a:hover {
  color: var(--color-text);
  padding-left: 4px;
}

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */
.faq-section {
  padding: 5rem 0;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-speed) ease,
              border-color var(--transition-speed) ease;
}

.faq-list {
  max-width: 800px;
  margin: 3rem auto 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-speed) ease;
}

.faq-item:hover {
  border-color: var(--color-secondary);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text);
  transition: color var(--transition-speed) ease;
}

.faq-question:hover {
  color: var(--color-secondary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer-inner {
  padding: 0 1.5rem 1.5rem 1.5rem;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.faq-arrow {
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  transition: transform 300ms ease;
}

.faq-item.active .faq-arrow {
  transform: rotate(180deg);
  color: var(--color-secondary);
}

.faq-item.active .faq-answer {
  max-height: 500px; /* arbitrary high value to transition to */
}

/* ==========================================================================
   BLOG / ARTICLES
   ========================================================================== */
.blog-hero {
  padding: 4rem 0;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-speed) ease,
              border-color var(--transition-speed) ease;
}

.blog-search-bar {
  max-width: 500px;
  margin: 2rem auto 0 auto;
  position: relative;
}

.blog-search-input {
  width: 100%;
  height: 48px;
  padding: 0 1rem 0 2.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  outline: none;
  transition: all var(--transition-speed) ease;
}

.blog-search-input:focus {
  border-color: var(--color-secondary);
  background-color: var(--color-surface);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: 4rem 0;
}

.blog-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-speed) ease;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-secondary);
}

.blog-card-image {
  aspect-ratio: 16 / 9;
  background-color: var(--color-surface-hover);
  overflow: hidden;
  position: relative;
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.05);
}

.blog-card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-card-category {
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-secondary);
  margin-bottom: 0.5rem;
}

.blog-card-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.blog-card-title a {
  color: var(--color-text);
}

.blog-card-title a:hover {
  color: var(--color-secondary);
}

.blog-card-excerpt {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Single Post Layout */
.post-header-section {
  padding: 4rem 0;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-speed) ease,
              border-color var(--transition-speed) ease;
}

.post-meta-top {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.post-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.post-breadcrumbs a {
  color: var(--color-text-muted);
}

.post-breadcrumbs a:hover {
  color: var(--color-text);
}

.post-breadcrumbs li:not(:last-child)::after {
  content: '/';
  margin-left: 0.5rem;
  color: var(--color-border);
}

.post-title {
  font-size: 3rem;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.post-author-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.post-author-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
}

.post-layout-grid {
  display: grid;
  grid-template-columns: 8fr 4fr;
  gap: 4rem;
  padding: 4rem 0;
}

/* Rich Blog content blocks */
.blog-content {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--color-text);
}

.blog-content p {
  margin-bottom: 1.75rem;
}

.blog-content h2, 
.blog-content h3 {
  color: var(--color-text);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.blog-content h2 {
  font-size: 1.85rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.5rem;
}

.blog-content h3 {
  font-size: 1.4rem;
}

.blog-content ul, 
.blog-content ol {
  margin-bottom: 1.75rem;
  padding-left: 2rem;
}

.blog-content li {
  margin-bottom: 0.5rem;
}

/* Alerts inside articles */
.blog-content blockquote {
  border-left: 4px solid var(--color-secondary);
  padding: 1rem 1.5rem;
  background-color: var(--color-surface);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 2rem 0;
  font-style: italic;
  color: var(--color-text-muted);
}

.blog-content .alert {
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  margin: 2rem 0;
  font-size: 1rem;
}

.blog-content .alert-note {
  background-color: rgba(79, 70, 229, 0.06);
  border: 1px solid rgba(79, 70, 229, 0.15);
  color: var(--color-text);
}

.blog-content .alert-tip {
  background-color: rgba(16, 185, 129, 0.06);
  border: 1px solid rgba(16, 185, 129, 0.15);
}

.blog-content .alert-warning {
  background-color: rgba(245, 158, 11, 0.06);
  border: 1px solid rgba(245, 158, 11, 0.15);
}

.blog-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.95rem;
}

.blog-content th, 
.blog-content td {
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  text-align: left;
}

.blog-content th {
  background-color: var(--color-surface-hover);
  font-weight: 700;
}

/* ==========================================================================
   CONTACT FORM & UTILITY PAGES
   ========================================================================== */
.contact-section, 
.static-page-section {
  padding: 5rem 0;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-form-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  transition: background-color var(--transition-speed) ease,
              border-color var(--transition-speed) ease;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: all var(--transition-speed) ease;
}

.form-control:focus {
  border-color: var(--color-secondary);
  background-color: var(--color-surface);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.15);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-info-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background-color: rgba(79, 70, 229, 0.08);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-text h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.contact-info-text p, 
.contact-info-text a {
  margin-bottom: 0;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.contact-info-text a:hover {
  color: var(--color-text);
}

/* ==========================================================================
   ERROR PAGES (404/500)
   ========================================================================== */
.error-section {
  padding: 8rem 0;
  text-align: center;
}

.error-code {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 6rem;
  line-height: 1;
  color: var(--color-secondary);
  margin-bottom: 1.5rem;
}

.error-title {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.error-desc {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 500px;
  margin: 0 auto 2.5rem auto;
}

/* ==========================================================================
   RESPONSIVE DESIGN BREAKPOINTS
   ========================================================================== */
@media (max-width: 1024px) {
  h1 { font-size: 2.25rem; }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.65rem; }
  
  .nav-links {
    display: none; /* In production JS we will toggle a mobile drawer */
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-brand {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .footer-column {
    text-align: center;
  }
  
  .footer-social {
    justify-content: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .downloader-form {
    flex-direction: column;
  }
  
  .downloader-submit {
    width: 100%;
    justify-content: center;
  }
  
  .result-layout {
    grid-template-columns: 1fr;
  }
  
  .timeline {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .timeline::after {
    display: none;
  }
  
  .seo-grid {
    grid-template-columns: 1fr;
  }
  
  .post-layout-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 480px) {
  html { font-size: 15px; }
  .hero-title { font-size: 1.75rem; }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .blog-grid {
    grid-template-columns: 1fr;
  }
  .downloader-card {
    padding: 1.25rem;
  }
}

/* ==========================================================================
   COOKIE CONSENT NOTICE BANNER
   ========================================================================== */
.cookie-notice {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  padding: 1.25rem 1.5rem;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  max-width: 450px;
  transform: translateY(150%);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.4s ease,
              background-color var(--transition-speed) ease,
              border-color var(--transition-speed) ease;
  pointer-events: none;
}

[data-theme="dark"] .cookie-notice {
  background-color: rgba(30, 41, 59, 0.95);
}

.cookie-notice--visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.cookie-notice p {
  font-size: 0.85rem;
  color: var(--color-text);
  margin-bottom: 0;
  line-height: 1.4;
}

.cookie-notice p a {
  color: var(--color-secondary);
  text-decoration: underline;
  font-weight: 600;
}

.cookie-notice p a:hover {
  color: var(--color-accent);
}

.cookie-btn {
  padding: 0.5rem 1rem;
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  background-color: var(--color-secondary);
  color: #FFFFFF;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-speed) ease;
}

.cookie-btn:hover {
  background-color: var(--color-primary);
  transform: translateY(-1px);
}

.cookie-btn:active {
  transform: translateY(0);
}

@media (max-width: 640px) {
  .cookie-notice {
    left: 16px;
    right: 16px;
    bottom: 16px;
    max-width: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 1.25rem;
  }
  .cookie-btn {
    width: 100%;
    text-align: center;
  }
}


/* ==============================================================================
   EXTRA ANIMATIONS (added on top of existing scroll-reveal in script.js)
============================================================================== */

/* Subtle lift on feature/trust cards (adds to existing hover transitions) */
.feature-card:hover,
.trust-card:hover {
  transform: translateY(-4px);
}

/* Gentle pulse for the primary CTA button to draw the eye without being annoying */
@keyframes gentle-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(26, 58, 107, 0.0); }
  50%      { box-shadow: 0 0 0 8px rgba(26, 58, 107, 0.08); }
}
.btn-primary.pulse-cta {
  animation: gentle-pulse 2.4s ease-in-out infinite;
}

/* Spinner already exists elsewhere; smooth fade for async result panels */
.result-fade-in {
  animation: resultFadeIn 0.4s ease forwards;
}
@keyframes resultFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Disable all of the above for users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .btn-primary.pulse-cta {
    animation: none;
  }
  .result-fade-in {
    animation: none;
  }
}