/* ==========================================================================
   P.W. McCALLUM ROOFING LTD. - CORE STYLESHEET
   Vancouver Island Roofing Done Right. Since 1945.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
  /* Brand Color Tokens */
  --color-slate-dark: #0f172a;
  --color-charcoal: #161e27;
  --color-charcoal-light: #222d3a;
  --color-pnw-forest: #143528;
  --color-pnw-forest-light: #1c4b39;
  --color-cedar: #c26738;
  --color-cedar-hover: #a85429;
  --color-cedar-light: #fbeee7;
  --color-copper: #d97706;
  --color-surface-light: #f8fafc;
  --color-surface-subtle: #f1f5f9;
  --color-border-subtle: #e2e8f0;

  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Reset & Base HTML */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  color: #334155;
  background-color: #ffffff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  line-height: 1.6;
}

main {
  flex: 1 0 auto;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: inherit;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

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

/* Typography Helpers */
.font-heading {
  font-family: var(--font-heading);
}

.font-sans {
  font-family: var(--font-sans);
}

/* Custom Colors & Utilities */
.bg-slate-dark {
  background-color: var(--color-slate-dark);
}

.bg-charcoal {
  background-color: var(--color-charcoal);
}

.bg-charcoal-light {
  background-color: var(--color-charcoal-light);
}

.bg-pnw-forest {
  background-color: var(--color-pnw-forest);
}

.bg-pnw-forest-light {
  background-color: var(--color-pnw-forest-light);
}

.bg-cedar {
  background-color: var(--color-cedar);
}

.bg-cedar-light {
  background-color: var(--color-cedar-light);
}

.bg-surface-subtle {
  background-color: var(--color-surface-subtle);
}

.bg-surface-light {
  background-color: var(--color-surface-light);
}

.text-slate-dark {
  color: var(--color-slate-dark);
}

.text-charcoal {
  color: var(--color-charcoal);
}

.text-pnw-forest {
  color: var(--color-pnw-forest);
}

.text-cedar {
  color: var(--color-cedar);
}

.text-copper {
  color: var(--color-copper);
}

.border-cedar {
  border-color: var(--color-cedar);
}

.border-pnw-forest {
  border-color: var(--color-pnw-forest);
}

.border-subtle {
  border-color: var(--color-border-subtle);
}

/* Modern Gradient Accents */
.bg-pnw-gradient {
  background: linear-gradient(135deg, #111827 0%, #16382b 60%, #1a2e26 100%);
}

.bg-hero-overlay {
  background: linear-gradient(to right, rgba(15, 23, 42, 0.94) 0%, rgba(15, 23, 42, 0.82) 50%, rgba(15, 23, 42, 0.65) 100%);
}

.bg-card-gradient {
  background: linear-gradient(180deg, rgba(255, 255, 255, 1) 0%, rgba(248, 250, 252, 0.9) 100%);
}

/* Glassmorphism Navigation */
.header-glass {
  background-color: rgba(22, 30, 39, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.3s ease;
}

.header-scrolled {
  background-color: rgba(15, 23, 42, 0.98);
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.3);
}

/* Buttons & CTAs */
.btn-cedar {
  background-color: var(--color-cedar);
  color: #ffffff;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.75rem 1.75rem;
  border-radius: 0.375rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(194, 103, 56, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-decoration: none;
}

.btn-cedar:hover {
  background-color: var(--color-cedar-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(194, 103, 56, 0.35);
}

.btn-forest {
  background-color: var(--color-pnw-forest);
  color: #ffffff;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: 0.375rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.25s ease;
  border: 1px solid rgba(255, 255, 255, 0.15);
  text-decoration: none;
}

.btn-forest:hover {
  background-color: var(--color-pnw-forest-light);
  transform: translateY(-2px);
}

.btn-outline-white {
  background-color: transparent;
  color: #ffffff;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: 0.375rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 2px solid rgba(255, 255, 255, 0.7);
  transition: all 0.25s ease;
  text-decoration: none;
}

.btn-outline-white:hover {
  background-color: #ffffff;
  color: var(--color-slate-dark);
  border-color: #ffffff;
  transform: translateY(-2px);
}

.btn-outline-cedar {
  background-color: transparent;
  color: var(--color-cedar);
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: 0.375rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 2px solid var(--color-cedar);
  transition: all 0.25s ease;
  text-decoration: none;
}

.btn-outline-cedar:hover {
  background-color: var(--color-cedar);
  color: #ffffff;
  transform: translateY(-2px);
}

/* Card Hover Elevation */
.service-card {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 30px -10px rgba(15, 23, 42, 0.15);
}

/* Smooth Accordion */
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out, opacity 0.3s ease;
  opacity: 0;
}

.accordion-item.active .accordion-content {
  max-height: 500px;
  opacity: 1;
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-icon {
  transition: transform 0.3s ease;
}

/* Lightbox Styles */
.lightbox-modal {
  display: none;
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(8px);
}

.lightbox-modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Container Utility */
.container-custom {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

@media (min-width: 640px) {
  .container-custom {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* Subtle pattern overlay */
.bg-topo-pattern {
  background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 0);
  background-size: 24px 24px;
}

/* Focus styles for WCAG 2.1 AA */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-cedar);
  outline-offset: 2px;
}

/* Chatbot Scrollbar & Utilities */
.no-scrollbar::-webkit-scrollbar {
  display: none;
}
.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

#chatbot-messages::-webkit-scrollbar {
  width: 6px;
}
#chatbot-messages::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 0.6);
}
#chatbot-messages::-webkit-scrollbar-thumb {
  background: rgba(51, 65, 85, 0.8);
  border-radius: 9999px;
}
#chatbot-messages::-webkit-scrollbar-thumb:hover {
  background: rgba(194, 103, 56, 0.8);
}