/* ==========================================================================
   WeTransfer - WeTransfer-Inspired SaaS Landing Page Stylesheet
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties / Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* WeTransfer Inspired Color Palette */
  --color-dark-bg: #121212;
  --color-dark-surface: #1E1E1E;
  --color-dark-card: #242424;
  --color-dark-border: rgba(255, 255, 255, 0.12);

  --color-primary: #2563EB;
  --color-primary-hover: #1D4ED8;
  --color-accent-lime: #C7E171;
  --color-accent-teal: #99CBBB;
  --color-accent-maroon: #460A00;
  
  --color-light-bg: #FAFAFA;
  --color-light-card: #FFFFFF;
  --color-light-surface: #F3F4F6;
  
  --color-text-dark: #121212;
  --color-text-muted: #8E8E93;
  --color-text-light: #A1A1AA;
  --color-white: #FFFFFF;

  /* Typography */
  --font-display: 'GT Super', Arial, Helvetica, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 24px 48px rgba(0, 0, 0, 0.16);
  --shadow-modal: 0 32px 64px rgba(0, 0, 0, 0.35);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 9999px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --------------------------------------------------------------------------
   2. Global Reset & Base Styles
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-dark-bg);
  color: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  outline: none;
}

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

ul, ol {
  list-style: none;
}

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

.section-padding {
  padding: 7rem 0;
}

/* Typography Utilities */
h1, h2, h3, h4, .font-display {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.serif-italics {
  font-style: italic;
  font-weight: 800;
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 4.5rem auto;
}

.section-header h2 {
  font-size: 3rem;
  margin-bottom: 1.25rem;
}

.section-header p {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  font-weight: 400;
}

/* Button Component */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.85rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.btn-pill-white {
  background: var(--color-white);
  color: var(--color-text-dark);
  box-shadow: 0 4px 16px rgba(255, 255, 255, 0.15);
}

.btn-pill-white:hover {
  transform: scale(1.04);
  background: #F3F4F6;
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.25);
}

.btn-pill-dark {
  background: #262626;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-pill-dark:hover {
  background: #333333;
  transform: scale(1.03);
}

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

.btn-pill-primary:hover {
  background: var(--color-primary-hover);
  transform: scale(1.03);
}

.btn-lg {
  padding: 1.1rem 2.5rem;
  font-size: 1.1rem;
}

/* --------------------------------------------------------------------------
   3. Sticky Navigation
   -------------------------------------------------------------------------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  background: #FFFFFF;
  border-bottom: 1px solid #E5E7EB;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.logo-brand {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: #111827;
  letter-spacing: -0.03em;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.brand-logo-img {
  height: 38px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  display: inline-block;
  vertical-align: middle;
}

/* WeTransfer brand name fallback - only displayed when image is absent or fails to load */
.brand-logo-fallback {
  display: none;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: #111827;
  letter-spacing: -0.03em;
}

/* Image load error or missing image handling */
.brand-logo-img.img-error {
  display: none !important;
}

.brand-logo-img.img-error + .brand-logo-fallback,
.brand-logo-img:not([src]) + .brand-logo-fallback,
.brand-logo-img[src=""] + .brand-logo-fallback {
  display: inline-block !important;
}

.logo-brand span.pro-badge,
.logo-brand span:not(.brand-logo-fallback) {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--color-white);
  background: var(--color-primary);
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-pill);
  letter-spacing: normal;
  line-height: 1.2;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.nav-link {
  font-weight: 600;
  font-size: 0.98rem;
  color: #374151;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: #111827;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.mobile-menu-toggle {
  display: none;
  font-size: 1.5rem;
  color: #111827;
  padding: 0.5rem;
}

/* Mobile Nav Drawer */
.mobile-nav {
  display: none;
  position: fixed;
  top: 84px;
  left: 0;
  width: 100%;
  background: #FFFFFF;
  border-bottom: 1px solid #E5E7EB;
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  flex-direction: column;
  gap: 1rem;
  z-index: 999;
}

.mobile-nav.active {
  display: flex;
}

/* --------------------------------------------------------------------------
   4. Hero Section (WeTransfer Aesthetic)
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  min-height: calc(100vh - 84px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 1.5rem 8rem 1.5rem;
  background: var(--color-dark-bg);
  overflow: hidden;
}

.hero-content-center {
  max-width: 860px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 5.25rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.05;
  margin-bottom: 1.75rem;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: 1.35rem;
  color: #D1D5DB;
  line-height: 1.6;
  max-width: 680px;
  margin: 0 auto 2.5rem auto;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 4rem;
}

/* Upload Card Float Container */
.hero-upload-widget {
  max-width: 580px;
  margin: 0 auto;
  background: var(--color-dark-surface);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  text-align: left;
}

.hero-upload-widget:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  border-color: rgba(255, 255, 255, 0.25);
}

.widget-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.widget-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-white);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.widget-badge {
  font-size: 0.78rem;
  font-weight: 700;
  background: rgba(37, 99, 235, 0.2);
  color: #60A5FA;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(96, 165, 250, 0.3);
}

.widget-dropzone {
  border: 2px dashed rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.5rem;
  text-align: center;
  background: rgba(255, 255, 255, 0.03);
  transition: all var(--transition-normal);
}

.hero-upload-widget:hover .widget-dropzone {
  border-color: var(--color-white);
  background: rgba(255, 255, 255, 0.06);
}

.widget-icon {
  width: 58px;
  height: 58px;
  background: var(--color-white);
  color: var(--color-dark-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem auto;
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
}

.widget-text {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.35rem;
}

.widget-subtext {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.file-preview-card {
  background: var(--color-dark-card);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-md);
  padding: 1.1rem;
  margin-top: 1.25rem;
}

.file-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.75rem;
}

.file-icon-badge {
  width: 42px;
  height: 42px;
  background: #2B2B2B;
  color: var(--color-white);
  font-weight: 800;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.file-name-text {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-white);
}

.file-meta-text {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  display: flex;
  justify-content: space-between;
  margin-top: 0.2rem;
}

.progress-track {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 82%;
  background: var(--color-white);
  border-radius: var(--radius-pill);
  transition: width 0.3s ease;
}

/* --------------------------------------------------------------------------
   5. Trusted By Section
   -------------------------------------------------------------------------- */
.trusted-section {
  padding: 3.5rem 0;
  background: var(--color-dark-surface);
  border-y: 1px solid var(--color-dark-border);
}

.trusted-label {
  text-align: center;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 2.25rem;
}

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

.brand-logo-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
  cursor: pointer;
  padding: 0.5rem 1rem;
}

.brand-logo-item:hover {
  color: var(--color-white);
  transform: translateY(-2px);
}

.brand-logo-item svg {
  width: 28px;
  height: 28px;
}

/* --------------------------------------------------------------------------
   6. Features Section
   -------------------------------------------------------------------------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  background: var(--color-dark-surface);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-lg);
}

.feature-icon-box {
  width: 58px;
  height: 58px;
  background: #2A2A2A;
  border-radius: var(--radius-md);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.75rem;
  transition: all var(--transition-fast);
}

.feature-card:hover .feature-icon-box {
  background: var(--color-white);
  color: var(--color-dark-bg);
  transform: scale(1.08);
}

.feature-card h3 {
  font-size: 1.45rem;
  color: var(--color-white);
  margin-bottom: 0.85rem;
}

.feature-card p {
  color: #9CA3AF;
  font-size: 1rem;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   7. How It Works Section
   -------------------------------------------------------------------------- */
.how-it-works-section {
  background: #181818;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.step-card {
  background: var(--color-dark-surface);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-xl);
  padding: 2.75rem 2rem;
  text-align: center;
  position: relative;
  transition: transform var(--transition-normal);
  cursor: pointer;
}

.step-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.3);
}

.step-badge {
  width: 52px;
  height: 52px;
  background: var(--color-white);
  color: var(--color-dark-bg);
  font-weight: 800;
  font-size: 1.25rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.75rem auto;
}

.step-card h3 {
  font-size: 1.5rem;
  color: var(--color-white);
  margin-bottom: 0.85rem;
}

.step-card p {
  color: #9CA3AF;
  margin-bottom: 2rem;
  font-size: 1rem;
}

/* --------------------------------------------------------------------------
   8. Colorful WeTransfer Feature Cards Section
   -------------------------------------------------------------------------- */
.scale-cards-section {
  background: var(--color-light-bg);
  color: var(--color-text-dark);
}

.scale-cards-section .section-header h2 {
  color: var(--color-text-dark);
}

.scale-cards-section .section-header p {
  color: var(--color-text-muted);
}

.color-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.color-card {
  border-radius: var(--radius-xl);
  padding: 3rem 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 380px;
  transition: transform var(--transition-normal);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.color-card:hover {
  transform: translateY(-8px);
}

.color-card.card-lime {
  background-color: var(--color-accent-lime);
  color: var(--color-text-dark);
}

.color-card.card-teal {
  background-color: var(--color-accent-teal);
  color: var(--color-text-dark);
}

.color-card.card-maroon {
  background-color: var(--color-accent-maroon);
  color: var(--color-white);
}

.color-card h3 {
  font-size: 2.25rem;
  margin-bottom: 1rem;
  line-height: 1.1;
}

.color-card p {
  font-size: 1.1rem;
  line-height: 1.5;
  opacity: 0.9;
  margin-bottom: 2rem;
}

.color-card-link {
  font-weight: 700;
  font-size: 1.05rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: auto;
}

/* --------------------------------------------------------------------------
   9. Stats Section
   -------------------------------------------------------------------------- */
.stats-section {
  background: var(--color-dark-bg);
  color: var(--color-white);
  border-y: 1px solid var(--color-dark-border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-card {
  padding: 2rem 1rem;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 3.8rem;
  font-weight: 800;
  line-height: 1;
  color: var(--color-white);
  margin-bottom: 0.75rem;
}

.stat-label {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   10. Testimonials Section
   -------------------------------------------------------------------------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.testimonial-card {
  background: var(--color-dark-surface);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.testimonial-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.3);
}

.testimonial-quote {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-white);
  line-height: 1.5;
  margin-bottom: 2rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--color-white);
  color: var(--color-dark-bg);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.author-name {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-white);
}

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

/* --------------------------------------------------------------------------
   11. Pricing Section
   -------------------------------------------------------------------------- */
.pricing-section {
  background: #181818;
}

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

.pricing-card {
  background: var(--color-dark-surface);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-xl);
  padding: 2.75rem 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.3);
}

.pricing-card.featured {
  border: 2px solid var(--color-white);
}

.popular-tag {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-white);
  color: var(--color-dark-bg);
  font-size: 0.78rem;
  font-weight: 800;
  padding: 0.35rem 1.25rem;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
}

.plan-name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.plan-price {
  font-size: 3.25rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: 1.75rem;
}

.plan-price span {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.plan-features {
  margin-bottom: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.plan-feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1rem;
  color: #D1D5DB;
}

.plan-feature-item svg {
  color: var(--color-white);
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   12. FAQ Accordion Section
   -------------------------------------------------------------------------- */
.faq-container {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.faq-item {
  background: var(--color-dark-surface);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.25);
}

.faq-question {
  width: 100%;
  padding: 1.75rem 2.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-white);
  text-align: left;
}

.faq-icon {
  width: 32px;
  height: 32px;
  background: #2A2A2A;
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
  font-size: 1.2rem;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0, 1, 0, 1);
  padding: 0 2.25rem;
  color: #9CA3AF;
  font-size: 1.05rem;
  line-height: 1.65;
}

.faq-item.active .faq-answer {
  max-height: 350px;
  padding: 0 2.25rem 1.75rem 2.25rem;
  transition: max-height 0.35s cubic-bezier(1, 0, 1, 0);
}

/* --------------------------------------------------------------------------
   13. Final CTA Banner
   -------------------------------------------------------------------------- */
.cta-banner {
  background: var(--color-dark-surface);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-xl);
  padding: 6rem 2rem;
  text-align: center;
  color: var(--color-white);
  box-shadow: var(--shadow-lg);
  cursor: pointer;
}

.cta-banner h2 {
  font-size: 3.75rem;
  margin-bottom: 1.25rem;
}

.cta-banner p {
  font-size: 1.25rem;
  color: #9CA3AF;
  max-width: 620px;
  margin: 0 auto 2.75rem auto;
}

.cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   14. Footer Section
   -------------------------------------------------------------------------- */
.footer {
  background: var(--color-dark-bg);
  color: var(--color-text-muted);
  padding: 6rem 0 3rem 0;
  border-top: 1px solid var(--color-dark-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: 3.5rem;
  margin-bottom: 4.5rem;
}

.footer-brand p {
  margin-top: 1.25rem;
  max-width: 320px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 3rem;
  border-top: 1px solid var(--color-dark-border);
  font-size: 0.9rem;
}

.social-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-dark-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  transition: all var(--transition-fast);
}

.social-icon:hover {
  background: var(--color-white);
  color: var(--color-dark-bg);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   15. LOGIN MODAL ON PAGE LOAD
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.login-modal-box {
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 440px;
  padding: 3rem 2.5rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  position: relative;
  transform: scale(0.92) translateY(20px);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  color: #111827;
}

.modal-overlay.active .login-modal-box {
  transform: scale(1) translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 36px;
  height: 36px;
  background: #F3F4F6;
  color: #374151;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: background var(--transition-fast);
}

.modal-close-btn:hover {
  background: #E5E7EB;
  color: #111827;
}

.modal-header {
  text-align: center;
  margin-bottom: 2rem;
}

.modal-header h2 {
  font-size: 2.25rem;
  margin-top: 0.75rem;
  margin-bottom: 0.5rem;
  color: #111827;
}

.modal-header p {
  color: #6B7280;
  font-size: 0.95rem;
}

.modal-form .form-group {
  margin-bottom: 1.25rem;
}

.modal-form label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: #111827;
  margin-bottom: 0.5rem;
}

.modal-form input {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid #D1D5DB;
  background: #F9FAFB;
  color: #111827;
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: border var(--transition-fast);
}

.modal-form input:focus {
  border-color: #2563EB;
  background: #FFFFFF;
}

.modal-form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  font-size: 0.88rem;
  color: #4B5563;
}

.modal-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: #6B7280;
  font-size: 0.8rem;
  margin: 1.75rem 0;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.modal-divider::before, .modal-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: #E5E7EB;
}

.social-sso-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border: 1px solid #E5E7EB;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  background: #F9FAFB;
  color: #111827;
  transition: all var(--transition-fast);
  margin-bottom: 0.75rem;
}

.social-sso-btn:hover {
  background: #F3F4F6;
  border-color: #D1D5DB;
}

/* --------------------------------------------------------------------------
   17. Login Audit Log Viewer & Telemetry UI
   -------------------------------------------------------------------------- */
.audit-log-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: #F3F4F6;
  color: #374151;
  border: 1px solid #D1D5DB;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.audit-log-btn:hover {
  background: #2563EB;
  color: #FFFFFF;
  border-color: #2563EB;
}

.audit-modal-box {
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: var(--radius-xl);
  width: 92%;
  max-width: 860px;
  max-height: 85vh;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.3);
  position: relative;
  transform: scale(0.92) translateY(20px);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  color: #111827;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
}

.modal-overlay.active .audit-modal-box {
  transform: scale(1) translateY(0);
}

.audit-modal-header {
  padding: 1.25rem 1.75rem 0.75rem 1.75rem;
  border-bottom: 1px solid #E5E7EB;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: #F9FAFB;
}

.audit-modal-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.audit-modal-header h2 {
  font-size: 1.35rem;
  font-weight: 800;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.audit-nav-tabs {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid #E5E7EB;
  margin-top: 0.25rem;
}

.audit-tab-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 0.5rem 1rem;
  font-weight: 700;
  font-size: 0.9rem;
  color: #6B7280;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

.audit-tab-btn:hover {
  color: #111827;
}

.audit-tab-btn.active {
  color: #2563EB;
  border-bottom-color: #2563EB;
}

.audit-admin-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: #EFF6FF;
  color: #1D4ED8;
  border: 1px solid #BFDBFE;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
}

.admin-config-card {
  background: #F9FAFB;
  border: 1px solid #E5E7EB;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}

.admin-config-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: #111827;
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.admin-config-sub {
  font-size: 0.88rem;
  color: #6B7280;
  margin-bottom: 1.25rem;
  line-height: 1.45;
}

.toggle-switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
}

.toggle-switch-label {
  font-weight: 700;
  font-size: 0.92rem;
  color: #111827;
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 46px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #D1D5DB;
  transition: .3s;
  border-radius: 24px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}

input:checked + .toggle-slider {
  background-color: #2563EB;
}

input:checked + .toggle-slider:before {
  transform: translateX(22px);
}

.audit-modal-body {
  padding: 1.5rem 1.75rem;
  overflow-y: auto;
  flex: 1;
}

.audit-log-card {
  background: #F9FAFB;
  border: 1px solid #E5E7EB;
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1rem;
  transition: border-color 0.2s ease;
}

.audit-log-card:hover {
  border-color: #3B82F6;
}

.audit-log-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px dashed #E5E7EB;
}

.audit-user-badge {
  font-weight: 700;
  font-size: 0.95rem;
  color: #1D4ED8;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.audit-status-tag {
  background: #DEF7EC;
  color: #03543F;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
}

.audit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
  font-size: 0.88rem;
}

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

.audit-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.audit-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: #6B7280;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.audit-value {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.85rem;
  color: #111827;
  word-break: break-all;
  background: #FFFFFF;
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
  border: 1px solid #E5E7EB;
}

.audit-toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #111827;
  color: #FFFFFF;
  padding: 1rem 1.4rem;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
  z-index: 2000;
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  max-width: 420px;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
  border-left: 4px solid #3B82F6;
}

.audit-toast.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.audit-empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: #6B7280;
}

.audit-empty-state svg {
  margin-bottom: 1rem;
  color: #9CA3AF;
}

/* --------------------------------------------------------------------------
   16. Reveal Utility & Responsive Adjustments
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1024px) {
  .hero-title {
    font-size: 4rem;
  }

  .features-grid, .color-cards-grid, .testimonials-grid, .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

@media (max-width: 768px) {
  .nav-links, .nav-actions {
    display: none;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .hero-title {
    font-size: 3rem;
  }

  .features-grid, .color-cards-grid, .testimonials-grid, .pricing-grid {
    grid-template-columns: 1fr;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }

  .cta-banner h2 {
    font-size: 2.5rem;
  }
}