/* ==========================================================================
   ledMAKERS – LED-Wall Landing Page Styles
   Bundle: inszenium/contao-ledmaker-bundle
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
  --led-bg-dark: #0a0a0f;
  --led-surface: #12121a;
  --led-text-primary: #f0f0f5;
  --led-accent-primary: #1daf8e;
  --led-accent-secondary: #091b45;
}

/* --------------------------------------------------------------------------
   Google Fonts Import
   -------------------------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

/* --------------------------------------------------------------------------
   Base Layout: LED Page
   -------------------------------------------------------------------------- */
.led-page {
  background-color: var(--led-bg-dark);
  color: var(--led-text-primary);
  font-family: 'Inter', sans-serif;
  box-sizing: border-box;
}

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

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
.font-heading,
.led-page h1, .led-page h2, .led-page h3, .led-page h4 {
  font-family: 'Space Grotesk', sans-serif;
}

.font-body {
  font-family: 'Inter', sans-serif;
}

.led-text-gradient {
  background: linear-gradient(90deg, var(--led-accent-primary), var(--led-accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.led-text-accent {
  color: var(--led-accent-primary);
}

/* --------------------------------------------------------------------------
   Backgrounds & Surfaces
   -------------------------------------------------------------------------- */
.led-bg-dark {
  background-color: var(--led-bg-dark);
  color: var(--led-text-primary);
}

.led-bg-surface {
  background-color: var(--led-surface);
  color: var(--led-text-primary);
}

.led-gradient {
  background: linear-gradient(135deg, var(--led-accent-primary) 0%, var(--led-accent-secondary) 100%);
}

.led-section-alt {
  background: linear-gradient(180deg, transparent 0%, rgba(124, 58, 237, 0.03) 50%, transparent 100%);
}

.led-section-accent {
  background: linear-gradient(180deg, transparent 0%, rgba(0, 212, 255, 0.03) 50%, transparent 100%);
}

/* --------------------------------------------------------------------------
   Grid Pattern Background
   -------------------------------------------------------------------------- */
.led-grid {
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 20px 20px;
}

/* --------------------------------------------------------------------------
   Borders & Glows
   -------------------------------------------------------------------------- */
.led-border {
  border: 1px solid rgba(0, 212, 255, 0.2);
}

.led-glow {
  box-shadow: 0 0 60px rgba(0, 212, 255, 0.3), 0 0 120px rgba(124, 58, 237, 0.2);
}

/* --------------------------------------------------------------------------
   Cards (tip-card)
   -------------------------------------------------------------------------- */
.tip-card {
  background: linear-gradient(180deg, rgba(18, 18, 26, 0.9) 0%, rgba(10, 10, 15, 0.95) 100%);
  backdrop-filter: blur(10px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 1rem;
  padding: 1.5rem;
}

.tip-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 212, 255, 0.15);
  border-color: rgba(0, 212, 255, 0.4);
}

/* --------------------------------------------------------------------------
   Tip Numbers
   -------------------------------------------------------------------------- */
.tip-number {
  background: linear-gradient(135deg, var(--led-accent-primary), var(--led-accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn-primary {
  background: linear-gradient(135deg, var(--led-accent-primary) 0%, var(--led-accent-secondary) 100%);
  color: #fff;
  font-weight: 600;
  padding: 1rem 2rem;
  border-radius: 0.75rem;
  border: none;
  font-size: 1.125rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-primary:hover {
  transform: scale(1.02);
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4);
  color: #fff;
}

.btn-secondary {
  padding: 1rem 2rem;
  border-radius: 0.75rem;
  font-size: 1.125rem;
  font-weight: 600;
  border: 1px solid rgba(0, 212, 255, 0.2);
  background: transparent;
  color: var(--led-accent-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: background-color 0.3s;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
}

/* --------------------------------------------------------------------------
   Section Badge (section-intro)
   -------------------------------------------------------------------------- */
.led-section-badge {
  text-align: center;
  padding: 1rem 0 2rem;
}

.led-section-badge .ce_text {
  text-align: center;
}

.led-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid rgba(0, 212, 255, 0.2);
}

.led-badge-primary {
  background: rgba(0, 212, 255, 0.1);
  color: var(--led-accent-primary);
}

.led-badge-secondary {
  background: rgba(124, 58, 237, 0.1);
  color: #a78bfa;
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.led-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5rem 1rem;
}

.led-hero .ce_text {
  max-width: 72rem;
  margin: 0 auto;
  position: relative;
  z-index: 10;
}

.led-hero h1 {
  font-size: clamp(2rem, 5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.led-hero p {
  color: #9ca3af;
  font-size: 1.125rem;
  max-width: 36rem;
  line-height: 1.7;
}

.led-hero .ce_hyperlink {
  display: inline-block;
}

/* --------------------------------------------------------------------------
   LED Sections – max width and padding
   -------------------------------------------------------------------------- */
.led-section {
  padding: 5rem 1rem;
}

.led-section > .ce_text,
.led-section > .ce_headline,
.led-section > .ce_html,
.led-section > .ce_hyperlink,
.led-section > .ce_led_calculator,
.led-section > .inside {
  max-width: 72rem;
  margin-left: auto;
  margin-right: auto;
}

.led-section-narrow {
  padding: 5rem 1rem;
}

.led-section-narrow > .ce_text,
.led-section-narrow > .ce_headline,
.led-section-narrow > .ce_html,
.led-section-narrow > .ce_led_calculator,
.led-section-narrow > .inside {
  max-width: 56rem;
  margin-left: auto;
  margin-right: auto;
}

/* --------------------------------------------------------------------------
   Grid Layouts for Cards
   -------------------------------------------------------------------------- */
.led-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.led-grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.led-grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .led-grid-2 { grid-template-columns: repeat(2, 1fr); }
  .led-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .led-grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .led-grid-3 { grid-template-columns: repeat(3, 1fr); }
  .led-grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* --------------------------------------------------------------------------
   Icon Boxes (inside cards)
   -------------------------------------------------------------------------- */
.led-icon-box {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, var(--led-accent-primary) 0%, var(--led-accent-secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  flex-shrink: 0;
}

.led-icon-box svg {
  width: 2rem;
  height: 2rem;
  color: #fff;
}

.led-icon-box-lg {
  width: 4rem;
  height: 4rem;
  border-radius: 1rem;
  margin: 0 auto 1rem;
}

/* --------------------------------------------------------------------------
   Bullet Lists (inside cards)
   -------------------------------------------------------------------------- */
.led-page .tip-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.led-page .tip-card ul li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: #d1d5db;
  padding: 0.25rem 0;
}

.led-page .tip-card ul li::before {
  content: '';
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--led-accent-primary), var(--led-accent-secondary));
  flex-shrink: 0;
}

/* Bigger bullet points for tip cards */
.led-page .led-tip ul li::before {
  width: 0.5rem;
  height: 0.5rem;
}

/* --------------------------------------------------------------------------
   Info Boxes / Highlight Boxes
   -------------------------------------------------------------------------- */
.led-info-primary {
  padding: 0.75rem;
  border-radius: 0.5rem;
  background: rgba(0, 212, 255, 0.1);
  color: var(--led-accent-primary);
  font-size: 0.875rem;
}

.led-info-secondary {
  padding: 0.75rem;
  border-radius: 0.5rem;
  background: rgba(124, 58, 237, 0.1);
  color: #a78bfa;
  font-size: 0.875rem;
}

/* --------------------------------------------------------------------------
   Timeline
   -------------------------------------------------------------------------- */
.led-timeline {
  position: relative;
  padding-left: 2.5rem;
}

.led-timeline::before {
  content: '';
  position: absolute;
  left: 0.5rem;
  top: 1.25rem;
  bottom: 1.25rem;
  width: 2px;
  background: linear-gradient(180deg, var(--led-accent-primary) 0%, var(--led-accent-secondary) 100%);
}

.led-timeline .tip-card {
  position: relative;
  margin-bottom: 1.5rem;
}

.led-timeline .tip-card::before {
  content: '';
  position: absolute;
  left: -2.15rem;
  top: 1.25rem;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  border: 3px solid var(--led-accent-primary);
  background: var(--led-bg-dark);
  z-index: 10;
}

.led-timeline .tip-card:last-child {
  margin-bottom: 0;
}

/* Timeline step number */
.led-step-number {
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, var(--led-accent-primary) 0%, var(--led-accent-secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1.125rem;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   FAQ / Accordion
   -------------------------------------------------------------------------- */
.led-faq .ce_accordion {
  margin-bottom: 1rem;
}

.led-faq .accordion {
  background: linear-gradient(180deg, rgba(18, 18, 26, 0.9) 0%, rgba(10, 10, 15, 0.95) 100%);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 1rem;
  overflow: hidden;
}

.led-faq .toggler {
  width: 100%;
  text-align: left;
  padding: 1.5rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--led-text-primary);
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: background 0.3s;
}

.led-faq .toggler:hover {
  background: rgba(255, 255, 255, 0.05);
}

.led-faq .accordion-text {
  padding: 0 1.5rem 1.5rem;
  color: #9ca3af;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Gallery Placeholder
   -------------------------------------------------------------------------- */
.led-gallery .tip-card {
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  position: relative;
}

.led-gallery .tip-card:hover {
  transform: scale(1.02);
}

/* --------------------------------------------------------------------------
   Calculator Specific Styles
   -------------------------------------------------------------------------- */
.led-calculator-wrapper {
  padding: 2rem;
  border-radius: 1.5rem;
}

.led-calc-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .led-calc-row {
    grid-template-columns: 1fr 1fr;
  }
}

.led-calc-field {
  margin-bottom: 1.5rem;
}

.led-calc-field label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: #d1d5db;
  margin-bottom: 0.5rem;
}

.calc-input {
  background: rgba(18, 18, 26, 0.8);
  border: 1px solid rgba(0, 212, 255, 0.2);
  color: #fff;
  font-weight: 500;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  width: 100%;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.calc-input:focus {
  border-color: var(--led-accent-primary);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
  outline: none;
}

select.calc-input {
  cursor: pointer;
  appearance: auto;
}

textarea.calc-input {
  resize: none;
}

.led-calc-purpose {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.led-calc-purpose-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.led-calc-purpose-card {
  padding: 1rem;
  border-radius: 0.75rem;
  text-align: center;
  transition: all 0.3s;
  cursor: pointer;
  font-size: 0.875rem;
  color: #d1d5db;
}

.led-calc-purpose-icon {
  display: block;
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.led-calc-purpose-option input:checked + .led-calc-purpose-card {
  border-color: var(--led-accent-primary);
  background: rgba(0, 212, 255, 0.1);
}

.led-calc-result {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding: 1.5rem;
  border-radius: 1rem;
  background: rgba(0, 212, 255, 0.05);
  border: 1px solid rgba(0, 212, 255, 0.2);
  text-align: center;
  margin-bottom: 2rem;
}

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

.led-calc-result-label {
  display: block;
  font-size: 0.875rem;
  color: #9ca3af;
  margin-bottom: 0.25rem;
}

.led-calc-result-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
}

.led-calc-contact {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.led-calc-contact h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.led-calc-submit {
  width: 100%;
  justify-content: center;
}

/* Calculator success */
.led-calc-success {
  text-align: center;
  padding: 3rem 0;
}

.led-calc-success-icon {
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.led-calc-success-icon svg {
  color: #fff;
}

.led-calc-success h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.led-calc-success p {
  color: #9ca3af;
  margin-bottom: 1.5rem;
}

.led-calc-reset {
  padding: 0.75rem 1.5rem;
  border-radius: 0.75rem;
  color: var(--led-accent-primary);
  background: transparent;
  cursor: pointer;
  transition: background 0.3s;
}

.led-calc-reset:hover {
  background: rgba(0, 212, 255, 0.1);
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 30px rgba(0, 212, 255, 0.3); }
  50% { box-shadow: 0 0 60px rgba(0, 212, 255, 0.5), 0 0 90px rgba(124, 58, 237, 0.3); }
}

.animate-pulse-glow {
  animation: pulseGlow 3s ease-in-out infinite;
}

/* --------------------------------------------------------------------------
   Video Placeholder
   -------------------------------------------------------------------------- */
.led-video-placeholder {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(124, 58, 237, 0.1) 100%);
  border-radius: 1rem;
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.led-video-placeholder .pixel-grid {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 4px, rgba(0, 212, 255, 0.1) 4px, rgba(0, 212, 255, 0.1) 5px),
    repeating-linear-gradient(90deg, transparent, transparent 4px, rgba(0, 212, 255, 0.1) 4px, rgba(0, 212, 255, 0.1) 5px);
  animation: pixelFlow 20s linear infinite;
}

@keyframes pixelFlow {
  0% { opacity: 0.3; }
  50% { opacity: 0.6; }
  100% { opacity: 0.3; }
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.led-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 4rem 1rem;
  background-color: var(--led-bg-dark);
  color: var(--led-text-primary);
}

.led-footer a {
  color: #9ca3af;
  text-decoration: none;
  transition: color 0.3s;
}

.led-footer a:hover {
  color: var(--led-accent-primary);
}

/* --------------------------------------------------------------------------
   Text Colors (helper classes)
   -------------------------------------------------------------------------- */
.led-text-gray {
  color: #9ca3af;
}

.led-text-gray-light {
  color: #d1d5db;
}

.led-text-white {
  color: #fff;
}

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

/* --------------------------------------------------------------------------
   Icon Boxes (CSS-only via ::before with SVG data URIs)
   -------------------------------------------------------------------------- */
[class*="led-icon-"]::before {
  content: '';
  display: block;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 0.75rem;
  margin-bottom: 1rem;
  background:
    var(--led-icon) no-repeat center / 2rem,
    linear-gradient(135deg, var(--led-accent-primary), var(--led-accent-secondary));
}

.led-text-center[class*="led-icon-"]::before {
  width: 4rem;
  height: 4rem;
  border-radius: 1rem;
  margin: 0 auto 1rem;
}

.led-icon-shopping { --led-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='white' viewBox='0 0 24 24'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M16 11V7a4 4 0 00-8 0v4M5 9h14l1 12H4L5 9z'/%3E%3C/svg%3E"); }
.led-icon-building { --led-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='white' viewBox='0 0 24 24'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 21V5a2 2 0 00-2-2H7a2 2 0 00-2 2v16m14 0h2m-2 0h-5m-9 0H3m2 0h5M9 7h1m-1 4h1m4-4h1m-1 4h1m-5 10v-5a1 1 0 011-1h2a1 1 0 011 1v5m-4 0h4'/%3E%3C/svg%3E"); }
.led-icon-film { --led-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='white' viewBox='0 0 24 24'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M7 4v16M17 4v16M3 8h4m10 0h4M3 12h18M3 16h4m10 0h4M4 20h16a1 1 0 001-1V5a1 1 0 00-1-1H4a1 1 0 00-1 1v14a1 1 0 001 1z'/%3E%3C/svg%3E"); }
.led-icon-home { --led-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='white' viewBox='0 0 24 24'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M3 12l2-2m0 0l7-7 7 7M5 10v10a1 1 0 001 1h3m10-11l2 2m-2-2v10a1 1 0 01-1 1h-3m-6 0a1 1 0 001-1v-4a1 1 0 011-1h2a1 1 0 011 1v4a1 1 0 001 1m-6 0h6'/%3E%3C/svg%3E"); }
.led-icon-palette { --led-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='white' viewBox='0 0 24 24'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M7 21a4 4 0 01-4-4V5a2 2 0 012-2h4a2 2 0 012 2v12a4 4 0 01-4 4zm0 0h12a2 2 0 002-2v-4a2 2 0 00-2-2h-2.343M11 7.343l1.657-1.657a2 2 0 012.828 0l2.829 2.829a2 2 0 010 2.828l-8.486 8.485M7 17h.01'/%3E%3C/svg%3E"); }
.led-icon-map { --led-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='white' viewBox='0 0 24 24'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 20l-5.447-2.724A1 1 0 013 16.382V5.618a1 1 0 011.447-.894L9 7m0 13l6-3m-6 3V7m6 10l4.553 2.276A1 1 0 0021 18.382V7.618a1 1 0 00-.553-.894L15 4m0 13V4m0 0L9 7'/%3E%3C/svg%3E"); }
.led-icon-check { --led-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='white' viewBox='0 0 24 24'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z'/%3E%3C/svg%3E"); }
.led-icon-bolt { --led-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='white' viewBox='0 0 24 24'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M13 10V3L4 14h7v7l9-11h-7z'/%3E%3C/svg%3E"); }
.led-icon-support { --led-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='white' viewBox='0 0 24 24'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M18.364 5.636l-3.536 3.536m0 5.656l3.536 3.536M9.172 9.172L5.636 5.636m3.536 9.192l-3.536 3.536M21 12a9 9 0 11-18 0 9 9 0 0118 0zm-5 0a4 4 0 11-8 0 4 4 0 018 0z'/%3E%3C/svg%3E"); }
.led-icon-clock { --led-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='white' viewBox='0 0 24 24'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z'/%3E%3C/svg%3E"); }

/* --------------------------------------------------------------------------
   Spacing Helpers
   -------------------------------------------------------------------------- */
.led-mb-0 { margin-bottom: 0; }
.led-mb-1 { margin-bottom: 0.5rem; }
.led-mb-2 { margin-bottom: 1rem; }
.led-mb-3 { margin-bottom: 1.5rem; }
.led-mb-4 { margin-bottom: 2rem; }

/* --------------------------------------------------------------------------
   Scrollbar (dark theme)
   -------------------------------------------------------------------------- */
.led-page ::-webkit-scrollbar {
  width: 8px;
}

.led-page ::-webkit-scrollbar-track {
  background: var(--led-bg-dark);
}

.led-page ::-webkit-scrollbar-thumb {
  background: rgba(0, 212, 255, 0.3);
  border-radius: 4px;
}

.led-page ::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 212, 255, 0.5);
}

/* --------------------------------------------------------------------------
   Responsive Refinements
   -------------------------------------------------------------------------- */
@media (max-width: 640px) {
  .led-calc-purpose {
    grid-template-columns: 1fr;
  }

  .tip-number {
    font-size: 2.5rem;
  }

  .led-hero {
    min-height: auto;
    padding: 3rem 1rem;
  }
}