/* ==========================================================================
   THEME CONFIGURATION: DARK THEME FOR SEDENTARY WORK WEBINAR (DESKFIT)
   ========================================================================== */
:root {
  /* Dynamic custom topic variables (NO --primary, NO --secondary, etc.) */
  --deskfit-bg: #0d1117;
  --deskfit-surface: #161b22;
  --deskfit-surface-hover: #21262d;
  --deskfit-accent-cyan: #06b6d4;
  --deskfit-accent-glow: #10b981;
  --deskfit-accent-bright: #38bdf8;
  --deskfit-text-main: #f0f6fc;
  --deskfit-text-sub: #8b949e;
  --deskfit-border-line: #30363d;
  --deskfit-gradient-banner: linear-gradient(135deg, #0d1117 0%, #161b22 50%, #0f2d2e 100%);
  --deskfit-gradient-card: linear-gradient(180deg, #161b22 0%, #0d1117 100%);
  --deskfit-shadow-deep: 0 10px 30px -10px rgba(6, 182, 212, 0.25), 0 0 20px rgba(16, 185, 129, 0.15);
  
  /* Typography Variables */
  --font-display: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Preset E Border Radius & Styles */
  --deskfit-radius-soft: 16px;
  --deskfit-radius-sharp: 4px;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-body);
  background-color: var(--deskfit-bg);
  color: var(--deskfit-text-main);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
  position: relative;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--deskfit-text-main);
  line-height: 1.25;
}

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

ul {
  list-style: none;
}

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

/* ==========================================================================
   SCROLL PROGRESS BAR (CSS ONLY)
   ========================================================================== */
.deskfit-scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--deskfit-accent-cyan), var(--deskfit-accent-glow));
  width: 100%;
  z-index: 9999;
  transform-origin: 0 50%;
  animation: deskfit-progress-bar auto linear;
  animation-timeline: scroll();
}

@keyframes deskfit-progress-bar {
  0% { transform: scaleX(0); }
  100% { transform: scaleX(1); }
}

/* ==========================================================================
   HEADER & NAVIGATION (OPTION 1: LOGO LEFT, NAV RIGHT)
   ========================================================================== */
.deskfit-top-navbar {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--deskfit-border-line);
}

.deskfit-nav-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.deskfit-brand-logo img {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.deskfit-toggle-checkbox {
  display: none;
}

.deskfit-menu-icon {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  cursor: pointer;
}

.deskfit-menu-icon span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--deskfit-text-main);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.deskfit-menu-list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.deskfit-menu-link {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--deskfit-text-sub);
  transition: color 0.25s ease;
}

.deskfit-menu-link:hover {
  color: var(--deskfit-accent-cyan);
}

.deskfit-btn-nav {
  padding: 0.5rem 1.25rem;
  background: transparent;
  border: 1px solid var(--deskfit-accent-cyan);
  color: var(--deskfit-accent-cyan);
  border-radius: var(--deskfit-radius-soft);
  font-weight: 600;
  font-size: 0.875rem;
  transition: all 0.3s ease;
}

.deskfit-btn-nav:hover {
  background: var(--deskfit-accent-cyan);
  color: #000;
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.4);
}

/* Responsive Mobile Navigation */
@media (max-width: 820px) {
  .deskfit-menu-icon {
    display: flex;
  }

  .deskfit-nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--deskfit-surface);
    border-bottom: 1px solid var(--deskfit-border-line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
  }

  .deskfit-menu-list {
    flex-direction: column;
    padding: 1.5rem;
    gap: 1.25rem;
    align-items: flex-start;
  }

  .deskfit-toggle-checkbox:checked ~ .deskfit-nav-menu {
    max-height: 400px;
  }

  .deskfit-toggle-checkbox:checked ~ .deskfit-menu-icon span:nth-child(1) {
    transform: translateY(8.5px) rotate(45deg);
  }

  .deskfit-toggle-checkbox:checked ~ .deskfit-menu-icon span:nth-child(2) {
    opacity: 0;
  }

  .deskfit-toggle-checkbox:checked ~ .deskfit-menu-icon span:nth-child(3) {
    transform: translateY(-8.5px) rotate(-45deg);
  }
}

/* ==========================================================================
   SECTIONS GENERAL LAYOUT
   ========================================================================== */
.deskfit-section-block {
  padding-top: 10dvh;
  padding-bottom: 10dvh;
  position: relative;
  /* Scroll-driven fade-in animation */
  animation: deskfit-view-fade linear both;
  animation-timeline: view();
  animation-range: entry 10% cover 30%;
}

@keyframes deskfit-view-fade {
  from {
    opacity: 0.1;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.deskfit-section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.deskfit-section-heading {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, var(--deskfit-text-main), var(--deskfit-accent-bright));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.deskfit-section-sub {
  color: var(--deskfit-text-sub);
  font-size: 1.05rem;
  max-width: 650px;
  margin: 0 auto;
}

/* ==========================================================================
   PRESET E: HERO SECTION
   ========================================================================== */
.deskfit-hero-stage {
  min-height: 75vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--deskfit-gradient-banner);
  position: relative;
  padding: 5rem 1.5rem 4rem;
  border-bottom: 1px solid var(--deskfit-border-line);
}

.deskfit-hero-container {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.deskfit-hero-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.3);
  color: var(--deskfit-accent-bright);
  border-radius: 999px;
  font-size: 0.825rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.deskfit-hero-heading {
  font-size: 2.75rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
}

.deskfit-hero-subtext {
  font-size: 1.15rem;
  color: var(--deskfit-text-sub);
  max-width: 720px;
  margin: 0 auto 2.5rem;
}

.deskfit-hero-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.deskfit-stat-box {
  background: var(--deskfit-surface);
  border: 1px solid var(--deskfit-border-line);
  padding: 1.5rem;
  border-radius: var(--deskfit-radius-soft);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  transition: transform 0.3s ease;
}

.deskfit-stat-box:hover {
  transform: translateY(-4px);
  border-color: var(--deskfit-accent-cyan);
}

.deskfit-stat-value {
  display: block;
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--deskfit-accent-glow);
  font-family: var(--font-display);
}

.deskfit-stat-label {
  font-size: 0.875rem;
  color: var(--deskfit-text-sub);
}

.deskfit-hero-cta-box {
  display: flex;
  justify-content: center;
}

/* Buttons */
.deskfit-primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--deskfit-accent-cyan), var(--deskfit-accent-glow));
  color: #0d1117;
  font-weight: 700;
  font-size: 1.05rem;
  padding: 1rem 2.25rem;
  border-radius: var(--deskfit-radius-soft);
  box-shadow: var(--deskfit-shadow-deep);
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.deskfit-primary-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 35px -5px rgba(16, 185, 129, 0.4);
  filter: brightness(1.1);
}

.deskfit-secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--deskfit-text-main);
  color: var(--deskfit-bg);
  font-weight: 800;
  font-size: 1rem;
  padding: 0.875rem 2rem;
  border-radius: var(--deskfit-radius-soft);
  transition: all 0.3s ease;
}

.deskfit-secondary-button:hover {
  background: var(--deskfit-accent-bright);
  color: #0d1117;
}

/* ==========================================================================
   PRESET E: FEATURES SECTION (3 TOP-BORDER CARDS)
   ========================================================================== */
.deskfit-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.deskfit-topborder-card {
  background: var(--deskfit-surface);
  border-radius: var(--deskfit-radius-soft);
  border: 1px solid var(--deskfit-border-line);
  border-top: 4px solid var(--deskfit-accent-cyan);
  padding: 2rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.deskfit-topborder-card:hover {
  transform: translateY(-5px);
  border-top-color: var(--deskfit-accent-glow);
}

.deskfit-card-title {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: var(--deskfit-text-main);
}

.deskfit-card-checklist {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.deskfit-card-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--deskfit-text-sub);
}

.deskfit-check-icon {
  width: 20px;
  height: 20px;
  color: var(--deskfit-accent-glow);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ==========================================================================
   SPLIT CONTENT LAYOUTS (CONTENT 1 & CONTENT 2)
   ========================================================================== */
.deskfit-split-media-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.deskfit-media-figure {
  border-radius: var(--deskfit-radius-soft);
  overflow: hidden;
  border: 1px solid var(--deskfit-border-line);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.deskfit-fluid-image {
  width: 100%;
  height: 380px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.deskfit-media-figure:hover .deskfit-fluid-image {
  transform: scale(1.03);
}

.deskfit-content-article .deskfit-section-heading {
  text-align: left;
  margin-bottom: 1.25rem;
}

.deskfit-descriptive-text {
  color: var(--deskfit-text-sub);
  font-size: 1.05rem;
  margin-bottom: 1.75rem;
}

.deskfit-structured-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.deskfit-structured-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.deskfit-bullet-bullet {
  width: 10px;
  height: 10px;
  background: var(--deskfit-accent-cyan);
  border-radius: 50%;
  margin-top: 8px;
  flex-shrink: 0;
}

/* Content 2 Reversed & Stat Pill Overlay */
.deskfit-relative-holder {
  position: relative;
}

.deskfit-stat-pill-overlay {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: rgba(22, 27, 34, 0.92);
  border: 1px solid var(--deskfit-accent-cyan);
  padding: 1rem 1.25rem;
  border-radius: var(--deskfit-radius-soft);
  backdrop-filter: blur(8px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

.deskfit-pill-number {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--deskfit-accent-glow);
  font-family: var(--font-display);
}

.deskfit-pill-text {
  font-size: 0.8rem;
  color: var(--deskfit-text-sub);
}

.deskfit-highlight-quote {
  background: var(--deskfit-surface);
  border-left: 4px solid var(--deskfit-accent-glow);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--deskfit-radius-soft) var(--deskfit-radius-soft) 0;
  font-style: italic;
  color: var(--deskfit-text-main);
  margin-top: 1.5rem;
}

/* ==========================================================================
   PRESET E: CTA STRIP
   ========================================================================== */
.deskfit-cta-strip-block {
  background: var(--deskfit-surface);
  border-top: 1px solid var(--deskfit-border-line);
  border-bottom: 1px solid var(--deskfit-border-line);
  padding: 3.5rem 0;
}

.deskfit-cta-strip-inner {
  border-left: 6px solid var(--deskfit-accent-cyan);
  padding-left: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.deskfit-cta-heading {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.deskfit-cta-sub {
  color: var(--deskfit-text-sub);
  font-size: 1rem;
}

/* ==========================================================================
   DIVIDER LINE
   ========================================================================== */
.deskfit-divider-line {
  max-width: 1200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--deskfit-border-line), transparent);
  margin: 0 auto;
}

/* ==========================================================================
   PRESET E: TESTIMONIALS SECTION
   ========================================================================== */
.deskfit-testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.deskfit-feedback-card {
  background: var(--deskfit-surface);
  border: 1px solid var(--deskfit-border-line);
  border-radius: var(--deskfit-radius-soft);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.deskfit-stars-row {
  color: #f59e0b;
  font-size: 1.1rem;
  margin-bottom: 1rem;
  letter-spacing: 2px;
}

.deskfit-feedback-text {
  color: var(--deskfit-text-sub);
  font-size: 0.95rem;
  margin-bottom: 1.75rem;
  font-style: italic;
}

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

.deskfit-author-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--deskfit-accent-cyan), var(--deskfit-accent-glow));
  color: #0d1117;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-family: var(--font-display);
}

.deskfit-author-name {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: none;
}

.deskfit-author-role {
  font-size: 0.8rem;
  color: var(--deskfit-text-sub);
}

/* ==========================================================================
   PRESET E: FAQ SECTION
   ========================================================================== */
.deskfit-faq-container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.deskfit-faq-item {
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--deskfit-border-line);
}

.deskfit-faq-item:first-child {
  padding-top: 0;
}

.deskfit-faq-item:last-child {
  border-bottom: none;
}

.deskfit-faq-question {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--deskfit-accent-bright);
  text-transform: none;
}

.deskfit-faq-answer {
  color: var(--deskfit-text-sub);
  font-size: 0.975rem;
  line-height: 1.6;
}

/* ==========================================================================
   PRESET E: FORM SECTION (2 COLUMNS)
   ========================================================================== */
.deskfit-form-split-frame {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start;
  background: var(--deskfit-surface);
  border: 1px solid var(--deskfit-border-line);
  border-radius: var(--deskfit-radius-soft);
  padding: 3.5rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.deskfit-trust-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin: 2rem 0;
}

.deskfit-trust-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.deskfit-trust-icon {
  color: var(--deskfit-accent-glow);
  background: rgba(16, 185, 129, 0.1);
  padding: 0.5rem;
  border-radius: 8px;
  flex-shrink: 0;
}

.deskfit-trust-heading {
  font-size: 1rem;
  font-weight: 700;
  text-transform: none;
}

.deskfit-trust-sub {
  font-size: 0.875rem;
  color: var(--deskfit-text-sub);
}

.deskfit-contact-address {
  font-style: normal;
  border-top: 1px solid var(--deskfit-border-line);
  padding-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--deskfit-text-sub);
}

.deskfit-registration-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.deskfit-form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.deskfit-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--deskfit-text-main);
}

.deskfit-input {
  background: var(--deskfit-bg);
  border: 1px solid var(--deskfit-border-line);
  color: var(--deskfit-text-main);
  padding: 0.875rem 1rem;
  border-radius: var(--deskfit-radius-sharp);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.3s ease;
}

.deskfit-input:focus {
  outline: none;
  border-color: var(--deskfit-accent-cyan);
  box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.2);
}

.deskfit-submit-btn {
  width: 100%;
  margin-top: 0.5rem;
}

/* ==========================================================================
   FOOTER (MOBILE & DESKTOP ADAPTIVE)
   ========================================================================== */
.deskfit-bottom-footer {
  background: #080b0e;
  border-top: 1px solid var(--deskfit-border-line);
  padding: 2.5rem 1.5rem;
}

.deskfit-footer-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.deskfit-footer-wrapper img {
  height: 36px;
  width: auto;
}

.deskfit-footer-links {
  display: flex;
  gap: 1.75rem;
  flex-wrap: wrap;
}

.deskfit-footer-link {
  font-size: 0.875rem;
  color: var(--deskfit-text-sub);
  transition: color 0.25s ease;
}

.deskfit-footer-link:hover {
  color: var(--deskfit-accent-bright);
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS (MOBILE TO DESKTOP)
   ========================================================================== */
@media (max-width: 992px) {
  .deskfit-features-grid,
  .deskfit-testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .deskfit-split-media-layout,
  .deskfit-form-split-frame {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .deskfit-cta-strip-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .deskfit-form-split-frame {
    padding: 2rem;
  }
}

@media (max-width: 640px) {
  .deskfit-hero-heading {
    font-size: 1.85rem;
  }

  .deskfit-hero-stats-row {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .deskfit-features-grid,
  .deskfit-testimonials-grid {
    grid-template-columns: 1fr;
  }

  .deskfit-footer-wrapper {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .deskfit-footer-links {
    flex-direction: column;
    gap: 0.875rem;
  }
}