/* ==========================================================================
   LeSa - Home: Modern Underfloor & Heating Systems
   Custom Styling & Animations
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --primary: #ea580c; /* Warm Orange / Ember */
  --primary-hover: #c2410c;
  --primary-light: #ffedd5;
  --primary-glow: rgba(234, 88, 12, 0.25);
  --secondary: #0f172a; /* Deep Slate / Navy */
  --secondary-light: #1e293b;
  --accent: #f97316; /* Bright Flame */
  --surface: #ffffff;
  --surface-alt: #f8fafc;
  --border: #e2e8f0;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-subtle: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
  --shadow-card: 0 10px 30px -5px rgba(15, 23, 42, 0.08);
  --shadow-glow: 0 0 40px -10px rgba(234, 88, 12, 0.35);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 85px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: var(--text-main);
  background-color: #ffffff;
}

h1, h2, h3, h4, .font-heading {
  font-family: 'Outfit', 'Plus Jakarta Sans', sans-serif;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Glassmorphism Header */
.glass-nav {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  transition: all 0.3s ease;
}

.glass-nav.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.08);
  border-bottom-color: rgba(226, 232, 240, 1);
}

/* Subtle Heat Pulse Effect */
@keyframes heatPulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(234, 88, 12, 0.2);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 35px rgba(234, 88, 12, 0.4);
    transform: scale(1.02);
  }
}

.pulse-heat {
  animation: heatPulse 4s infinite ease-in-out;
}

/* Background Thermal Grid Pattern */
.bg-grid-pattern {
  background-size: 32px 32px;
  background-image: 
    linear-gradient(to right, rgba(226, 232, 240, 0.5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(226, 232, 240, 0.5) 1px, transparent 1px);
}

.bg-radial-warm {
  background: radial-gradient(circle at 50% 10%, rgba(254, 215, 170, 0.35) 0%, rgba(255, 255, 255, 0) 70%);
}

.bg-dark-mesh {
  background-color: #0f172a;
  background-image: 
    radial-gradient(at 10% 20%, rgba(234, 88, 12, 0.15) 0px, transparent 50%),
    radial-gradient(at 90% 80%, rgba(30, 41, 59, 0.8) 0px, transparent 50%);
}

/* Card Hover Lift & Glow */
.card-hover {
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.card-hover:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 35px -10px rgba(15, 23, 42, 0.12);
  border-color: rgba(234, 88, 12, 0.3);
}

/* Gradient Text */
.text-gradient-warm {
  background: linear-gradient(135deg, #ea580c 0%, #f97316 50%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-dark {
  background: linear-gradient(135deg, #0f172a 0%, #334155 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Interactive Slider Customization */
input[type=range].custom-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 6px;
  background: #e2e8f0;
  outline: none;
  transition: background 0.2s;
}

input[type=range].custom-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #ea580c;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(234, 88, 12, 0.5);
  border: 3px solid #ffffff;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

input[type=range].custom-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 4px 14px rgba(234, 88, 12, 0.7);
}

input[type=range].custom-slider::-moz-range-thumb {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #ea580c;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(234, 88, 12, 0.5);
  border: 3px solid #ffffff;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

/* Custom Checkbox / Radio Badges */
.radio-pill input:checked + label {
  background-color: #ea580c;
  color: #ffffff;
  border-color: #ea580c;
  box-shadow: 0 4px 12px rgba(234, 88, 12, 0.25);
}

.radio-card input:checked + div {
  border-color: #ea580c !important;
  background: linear-gradient(135deg, rgba(234, 88, 12, 0.22) 0%, rgba(30, 41, 59, 0.95) 100%) !important;
  box-shadow: 0 0 25px -4px rgba(234, 88, 12, 0.4), inset 0 0 0 1px rgba(234, 88, 12, 0.6) !important;
}

.radio-card input:checked + div span {
  color: #ffffff !important;
}

.radio-card input:checked + div .text-slate-400,
.radio-card input:checked + div .text-\[11px\] {
  color: #fed7aa !important; /* Warm readable cream-orange for subtitles */
}

.radio-card input:checked + div .text-orange-400 {
  color: #fb923c !important;
}

.radio-card input:checked + div .check-indicator {
  background-color: #ea580c !important;
  border-color: #ea580c !important;
  color: #ffffff !important;
  box-shadow: 0 0 10px rgba(234, 88, 12, 0.6);
}

/* Modal styles */
.modal-backdrop {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease-out;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  transform: scale(0.95) translateY(15px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.open .modal-container {
  transform: scale(1) translateY(0);
  opacity: 1;
}

/* Scroll reveal helper */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Floating contact widget */
.floating-contact-btn {
  box-shadow: 0 10px 25px -5px rgba(234, 88, 12, 0.45);
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.floating-contact-btn:hover {
  transform: scale(1.08);
}

/* Badge Glow */
.badge-warm {
  background: rgba(234, 88, 12, 0.1);
  color: #c2410c;
  border: 1px solid rgba(234, 88, 12, 0.2);
}

/* Heating Pipe Diagram Accent */
.pipe-accent-line {
  background: linear-gradient(90deg, #ea580c 0%, #f97316 50%, #fbbf24 100%);
  height: 4px;
  border-radius: 9999px;
}

/* ==========================================================================
   WOW Effects — Scroll Reveal, Tilt, FAQ, Testimonials
   ========================================================================== */

/* Scroll Reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-reveal="left"] { transform: translateX(-40px); }
[data-reveal="right"] { transform: translateX(40px); }
[data-reveal="scale"] { transform: scale(0.92); }
[data-reveal].is-revealed { opacity: 1; transform: translateY(0) translateX(0) scale(1); }

/* FAQ Accordion */
.faq-item {
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.faq-item:hover {
  border-color: rgba(234, 88, 12, 0.35);
}
.faq-item.faq-open {
  border-color: rgba(234, 88, 12, 0.5) !important;
  box-shadow: 0 8px 25px -4px rgba(234, 88, 12, 0.15) !important;
}
.faq-content {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
}
.faq-item.faq-open .faq-content,
.faq-content:not(.hidden) {
  max-height: 1000px;
  opacity: 1;
}
.faq-icon {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.faq-item.faq-open .faq-icon {
  transform: rotate(180deg);
  color: #ea580c;
}

/* Testimonials Carousel */
.testimonials-viewport { overflow: hidden; }
.testimonials-track { display: flex; transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1); }
.testimonial-card { min-width: 100%; padding: 0 4px; }

/* Floating Widget Pulse */
@keyframes widgetPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5); }
  50% { box-shadow: 0 0 0 12px rgba(16, 185, 129, 0); }
}
.floating-widget-pulse { animation: widgetPulse 3s infinite ease-in-out; }

/* ==========================================================================
   Contract Generator & A4 Print Styles
   ========================================================================== */
.document-page table th,
.document-page table td {
  font-feature-settings: "tnum";
}

@media print {
  @page {
    size: A4 portrait;
    margin: 10mm 12mm 10mm 12mm;
  }
  
  body {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
    background: transparent !important;
  }

  .no-print, header, footer, #editor-container, .modal-backdrop, #toast-container {
    display: none !important;
  }

  .document-page {
    box-shadow: none !important;
    border: none !important;
    margin: 0 0 0 0 !important;
    padding: 5mm 0 10mm 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    page-break-after: always !important;
    break-after: page !important;
  }
  
  .document-page:last-child {
    page-break-after: auto !important;
    break-after: auto !important;
  }
}