/* ==========================================================================
   MIZARSTVO HRAST
   Custom CSS — Premium Woodworking Demo
   ========================================================================== */

/* ─── 1. CSS Custom Properties ─────────────────────────────────────────── */
:root {
  /* Core Palette */
  --deep-forest: #172B24;
  --warm-bone: #F2EEE5;
  --natural-oak: #B68A58;
  --charcoal: #242522;
  --muted-clay: #9C5F43;
  --sage-grey: #7D887A;
  --light-limestone: #D8D1C3;
  --dark-walnut: #4A372B;
  --technical-blue: #66757A;

  /* Transparency Variants */
  --deep-forest-10: rgba(23, 43, 36, 0.1);
  --deep-forest-30: rgba(23, 43, 36, 0.3);
  --deep-forest-70: rgba(23, 43, 36, 0.7);
  --deep-forest-90: rgba(23, 43, 36, 0.9);
  --charcoal-80: rgba(36, 37, 34, 0.8);
  --charcoal-60: rgba(36, 37, 34, 0.6);
  --warm-bone-50: rgba(242, 238, 229, 0.5);
  --warm-bone-90: rgba(242, 238, 229, 0.9);
  --warm-bone-95: rgba(242, 238, 229, 0.95);
  --natural-oak-20: rgba(182, 138, 88, 0.2);
  --natural-oak-50: rgba(182, 138, 88, 0.5);

  /* Typography */
  --font-heading: 'DM Serif Display', serif;
  --font-body: 'DM Sans', sans-serif;

  /* Timing */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.35s ease;
  --transition-slow: 0.6s ease;
  --transition-slower: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ─── 2. Base Styles ───────────────────────────────────────────────────── */
body {
  font-family: var(--font-body);
  color: var(--charcoal);
  background-color: var(--warm-bone);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
}

[x-cloak] {
  display: none !important;
}

::selection {
  background-color: var(--natural-oak-20);
  color: var(--charcoal);
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* ─── 3. Scroll Reveal System ──────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slower);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity var(--transition-slow), transform var(--transition-slower);
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity var(--transition-slow), transform var(--transition-slower);
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity var(--transition-slow), transform var(--transition-slower);
}

.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* Stagger delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ─── 4. Navigation ───────────────────────────────────────────────────── */
.nav-base {
  transition: background-color var(--transition-normal),
              box-shadow var(--transition-normal),
              backdrop-filter var(--transition-normal);
}

.nav-transparent {
  background-color: transparent;
  box-shadow: none;
}

.nav-solid {
  background-color: var(--warm-bone-95);
  box-shadow: 0 1px 3px rgba(23, 43, 36, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-solid .nav-link {
  color: var(--charcoal);
}

.nav-transparent .nav-link {
  color: rgba(255, 255, 255, 0.9);
}

.nav-link {
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--natural-oak);
  transition: width var(--transition-normal);
}

.nav-link:hover::after {
  width: 100%;
}

/* ─── 5. Hero ──────────────────────────────────────────────────────────── */
.hero-overlay {
  background: linear-gradient(
    to bottom,
    rgba(23, 43, 36, 0.3) 0%,
    rgba(23, 43, 36, 0.5) 40%,
    rgba(23, 43, 36, 0.7) 100%
  );
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 5.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

@keyframes float-indicator {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

.scroll-indicator {
  animation: float-indicator 2s ease-in-out infinite;
}

/* ─── 6. Texture Grain Overlay ─────────────────────────────────────────── */
.texture-grain::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.03;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* ─── 7. Card Effects ──────────────────────────────────────────────────── */
.category-card {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(23, 43, 36, 0.12);
}

.project-card {
  overflow: hidden;
}

.project-card-image {
  transition: transform var(--transition-slow);
}

.project-card:hover .project-card-image {
  transform: scale(1.05);
}

/* Filter button active state */
.filter-btn {
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.filter-btn-active {
  background-color: var(--deep-forest);
  color: var(--warm-bone);
}

/* ─── 8. Timeline ─────────────────────────────────────────────────────── */
.timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(
    to bottom,
    transparent,
    var(--natural-oak) 10%,
    var(--natural-oak) 90%,
    transparent
  );
  transform: translateX(-50%);
}

.timeline-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--natural-oak);
  border: 3px solid var(--warm-bone);
  box-shadow: 0 0 0 2px var(--natural-oak);
  position: relative;
  z-index: 2;
}

@media (max-width: 768px) {
  .timeline-line {
    left: 24px;
  }
}

/* ─── 9. Process Stepper ───────────────────────────────────────────────── */
.process-step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  background-color: var(--deep-forest);
  color: var(--warm-bone);
  flex-shrink: 0;
}

.process-connector {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--natural-oak), transparent);
  margin: 0 1rem;
}

/* ─── 10. Enquiry Form ─────────────────────────────────────────────────── */
.enquiry-progress {
  height: 3px;
  background-color: var(--light-limestone);
  border-radius: 2px;
  overflow: hidden;
}

.enquiry-progress-bar {
  height: 100%;
  background-color: var(--natural-oak);
  transition: width var(--transition-normal);
  border-radius: 2px;
}

.enquiry-step-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--light-limestone);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.enquiry-step-dot.active {
  background-color: var(--natural-oak);
  transform: scale(1.3);
}

.enquiry-step-dot.completed {
  background-color: var(--deep-forest);
}

.form-input {
  border: 1px solid var(--light-limestone);
  background-color: white;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  width: 100%;
}

.form-input:focus {
  outline: none;
  border-color: var(--natural-oak);
  box-shadow: 0 0 0 3px var(--natural-oak-20);
}

.form-input::placeholder {
  color: var(--sage-grey);
}

.form-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--charcoal);
  margin-bottom: 0.375rem;
  display: block;
  letter-spacing: 0.01em;
}

/* Type selection cards */
.type-card {
  border: 1.5px solid var(--light-limestone);
  border-radius: 0.75rem;
  padding: 1rem;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition-fast),
              background-color var(--transition-fast),
              transform var(--transition-fast);
}

.type-card:hover {
  border-color: var(--natural-oak);
  transform: translateY(-2px);
}

.type-card.selected {
  border-color: var(--deep-forest);
  background-color: var(--deep-forest-10);
}

/* ─── 11. Lightbox ─────────────────────────────────────────────────────── */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(23, 43, 36, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox-image {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 0.5rem;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
  transition: background-color var(--transition-fast);
  cursor: pointer;
}

.lightbox-close:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

/* ─── 12. FAQ Accordion ────────────────────────────────────────────────── */
.faq-item {
  border-bottom: 1px solid var(--light-limestone);
}

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
  text-align: left;
  cursor: pointer;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--charcoal);
  transition: color var(--transition-fast);
}

.faq-trigger:hover {
  color: var(--deep-forest);
}

.faq-chevron {
  transition: transform var(--transition-normal);
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq-chevron.rotated {
  transform: rotate(180deg);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-normal);
}

.faq-content.open {
  max-height: 300px;
  padding-bottom: 1.25rem;
}

/* ─── 13. Mobile Action Bar ────────────────────────────────────────────── */
.mobile-action-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background-color: var(--deep-forest);
  padding: 0.75rem 1rem;
  padding-bottom: calc(0.75rem + env(safe-area-inset-bottom, 0px));
  display: flex;
  justify-content: space-around;
  align-items: center;
  box-shadow: 0 -4px 20px rgba(23, 43, 36, 0.2);
}

.mobile-action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  color: var(--warm-bone);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.5rem;
  min-width: 64px;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.mobile-action-btn:hover {
  opacity: 0.8;
}

.mobile-action-btn svg {
  width: 22px;
  height: 22px;
}

/* ─── 14. Presentation Mode ────────────────────────────────────────────── */
.presentation-callout {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background-color: white;
  border: 1.5px solid var(--natural-oak);
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
  max-width: 320px;
  box-shadow: 0 10px 30px rgba(182, 138, 88, 0.2);
  pointer-events: none;
  animation: callout-appear 0.4s ease forwards;
}

.presentation-callout-number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--natural-oak);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.presentation-callout-text {
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--charcoal);
}

@keyframes callout-appear {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── 15. Utility Classes ──────────────────────────────────────────────── */
.link-underline {
  position: relative;
  display: inline-block;
}

.link-underline::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-normal);
}

.link-underline:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--natural-oak);
}

.section-heading {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.15;
  color: var(--charcoal);
  letter-spacing: -0.01em;
}

.btn-primary {
  background-color: var(--natural-oak);
  color: white;
  padding: 0.875rem 2rem;
  border-radius: 0.5rem;
  font-weight: 500;
  font-size: 0.95rem;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary:hover {
  background-color: var(--muted-clay);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--charcoal);
  padding: 0.875rem 2rem;
  border-radius: 0.5rem;
  font-weight: 500;
  font-size: 0.95rem;
  border: 1.5px solid var(--charcoal);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-secondary:hover {
  background-color: var(--deep-forest);
  border-color: var(--deep-forest);
  color: var(--warm-bone);
}

.btn-outline-light {
  background-color: transparent;
  color: white;
  padding: 0.875rem 2rem;
  border-radius: 0.5rem;
  font-weight: 500;
  font-size: 0.95rem;
  border: 1.5px solid rgba(255, 255, 255, 0.6);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-outline-light:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: white;
}

/* Divider with wood-grain inspiration */
.divider-grain {
  height: 1px;
  background: linear-gradient(
    to right,
    transparent,
    var(--light-limestone) 20%,
    var(--natural-oak-50) 50%,
    var(--light-limestone) 80%,
    transparent
  );
}

/* Material accent bar */
.accent-bar {
  width: 40px;
  height: 3px;
  background-color: var(--natural-oak);
  border-radius: 2px;
}

/* ─── 16. Mobile Menu ──────────────────────────────────────────────────── */
.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 90;
  background-color: var(--deep-forest);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.mobile-menu-link {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--warm-bone);
  padding: 0.75rem 0;
  transition: color var(--transition-fast);
}

.mobile-menu-link:hover {
  color: var(--natural-oak);
}

/* ─── 17. Responsive Adjustments ───────────────────────────────────────── */
@media (max-width: 640px) {
  .hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .section-heading {
    font-size: clamp(1.75rem, 6vw, 2.5rem);
  }

  .presentation-callout {
    max-width: 260px;
    padding: 0.5rem 0.75rem;
  }
}

/* Account for mobile action bar */
@media (max-width: 1024px) {
  body {
    padding-bottom: 80px;
  }
}

/* ─── 18. Print Styles ─────────────────────────────────────────────────── */
@media print {
  .mobile-action-bar,
  .presentation-callout,
  .lightbox-overlay {
    display: none !important;
  }

  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale {
    opacity: 1 !important;
    transform: none !important;
  }
}