/* ============================================================
   KartodroM Design System
   Global CSS custom properties, animations, utilities
   ============================================================ */

:root {
  /* Brand Colors */
  --kd-red:        #E30613;
  --kd-red-dark:   #c0251b;
  --kd-red-glow:   rgba(227, 6, 19, 0.15);
  --kd-black:      #0a0a0a;
  --kd-dark:       #111111;
  --kd-surface:    #1a1a1a;
  --kd-surface-2:  #222222;
  --kd-border:     #252525;
  --kd-border-2:   #333333;

  /* Text Colors */
  --kd-text-primary:   #ffffff;
  --kd-text-secondary: #aaaaaa;
  --kd-text-muted:     #666666;
  --kd-text-faint:     #3a3a3a;

  /* Typography */
  --kd-font-display: 'Barlow Condensed', sans-serif;
  --kd-font-body:    'Barlow', sans-serif;

  /* Spacing */
  --kd-section-pad: clamp(60px, 8vw, 100px);
  --kd-container:   1280px;
  --kd-container-pad: clamp(20px, 4vw, 48px);

  /* Transitions */
  --kd-ease:     cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --kd-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --kd-t-fast:   0.15s;
  --kd-t-med:    0.3s;
  --kd-t-slow:   0.6s;

  /* Shadows */
  --kd-shadow-sm:  0 2px 8px rgba(0,0,0,0.4);
  --kd-shadow-md:  0 8px 32px rgba(0,0,0,0.5);
  --kd-shadow-lg:  0 20px 60px rgba(0,0,0,0.6);
  --kd-shadow-red: 0 8px 32px rgba(227,6,19,0.25);
}

/* ============================================================
   GLOBAL RESETS & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--kd-dark);
  color: var(--kd-text-secondary);
  font-family: var(--kd-font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* ============================================================
   KEYFRAME ANIMATIONS
   ============================================================ */

@keyframes kd-fade-up {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes kd-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes kd-slide-right {
  from { opacity: 0; transform: translateX(-32px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes kd-slide-left {
  from { opacity: 0; transform: translateX(32px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes kd-scale-in {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes kd-stripe-grow {
  from { width: 0; }
  to   { width: 56px; }
}

@keyframes kd-number-pulse {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.04); }
}

@keyframes kd-shimmer {
  0%   { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}

@keyframes kd-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ============================================================
   SCROLL-REVEAL UTILITY
   ============================================================ */

.kd-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--kd-ease-out), transform 0.7s var(--kd-ease-out);
  will-change: opacity, transform;
}

.kd-reveal.kd-revealed {
  opacity: 1;
  transform: none;
}

.kd-reveal-left {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 0.7s var(--kd-ease-out), transform 0.7s var(--kd-ease-out);
  will-change: opacity, transform;
}
.kd-reveal-left.kd-revealed {
  opacity: 1;
  transform: none;
}

.kd-reveal-right {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity 0.7s var(--kd-ease-out), transform 0.7s var(--kd-ease-out);
  will-change: opacity, transform;
}
.kd-reveal-right.kd-revealed {
  opacity: 1;
  transform: none;
}

.kd-reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.6s var(--kd-ease-out), transform 0.6s var(--kd-ease-out);
  will-change: opacity, transform;
}
.kd-reveal-scale.kd-revealed {
  opacity: 1;
  transform: none;
}

/* Staggered children */
.kd-stagger > *:nth-child(1)  { transition-delay: 0s; }
.kd-stagger > *:nth-child(2)  { transition-delay: 0.1s; }
.kd-stagger > *:nth-child(3)  { transition-delay: 0.2s; }
.kd-stagger > *:nth-child(4)  { transition-delay: 0.3s; }
.kd-stagger > *:nth-child(5)  { transition-delay: 0.4s; }
.kd-stagger > *:nth-child(6)  { transition-delay: 0.5s; }

/* ============================================================
   GLOBAL BUTTON STYLES
   ============================================================ */

.kd-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--kd-font-display);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 2px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition:
    background var(--kd-t-fast) var(--kd-ease),
    color var(--kd-t-fast) var(--kd-ease),
    transform var(--kd-t-fast) var(--kd-ease),
    box-shadow var(--kd-t-fast) var(--kd-ease);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.kd-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: opacity var(--kd-t-fast);
}

.kd-btn:hover::after { opacity: 1; }
.kd-btn:active { transform: translateY(1px); }

.kd-btn-primary {
  background: var(--kd-red);
  color: #fff;
}
.kd-btn-primary:hover {
  background: var(--kd-red-dark);
  color: #fff;
  box-shadow: var(--kd-shadow-red);
  transform: translateY(-1px);
  text-decoration: none;
}

.kd-btn-outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.3);
}
.kd-btn-outline:hover {
  border-color: rgba(255,255,255,0.8);
  background: rgba(255,255,255,0.07);
  color: #fff;
  transform: translateY(-1px);
  text-decoration: none;
}

.kd-btn-sm {
  padding: 10px 20px;
  font-size: 0.85rem;
}

.kd-btn-lg {
  padding: 18px 36px;
  font-size: 1.05rem;
}

/* Arrow icon that slides on hover */
.kd-btn-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0;
  overflow: hidden;
}
.kd-btn-arrow .arrow {
  display: inline-block;
  transform: translateX(0);
  transition: transform var(--kd-t-med) var(--kd-ease-out);
  margin-left: 0;
}
.kd-btn-arrow:hover .arrow {
  transform: translateX(6px);
}

/* ============================================================
   SECTION LABELS / EYEBROW TEXT
   ============================================================ */

.kd-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--kd-font-display);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--kd-red);
  margin-bottom: 14px;
}

.kd-eyebrow::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--kd-red);
  flex-shrink: 0;
}

/* ============================================================
   RED ACCENT STRIPE
   ============================================================ */

.kd-stripe {
  display: block;
  width: 40px;
  height: 3px;
  background: var(--kd-red);
  margin-bottom: 20px;
  animation: kd-stripe-grow 0.5s var(--kd-ease-out) both;
}

/* ============================================================
   SECTION HEADINGS
   ============================================================ */

.kd-h2 {
  font-family: var(--kd-font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 900;
  text-transform: uppercase;
  color: var(--kd-text-primary);
  line-height: 1.05;
  letter-spacing: 0.02em;
  margin: 0 0 20px;
}

.kd-h3 {
  font-family: var(--kd-font-display);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--kd-text-primary);
  line-height: 1.1;
  margin: 0 0 12px;
}

/* ============================================================
   STAT COUNTERS
   ============================================================ */

.kd-stat-number {
  font-family: var(--kd-font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  color: var(--kd-text-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.kd-stat-label {
  font-family: var(--kd-font-display);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--kd-text-muted);
}

/* ============================================================
   CARD COMPONENT
   ============================================================ */

.kd-card {
  background: var(--kd-surface);
  border: 1px solid var(--kd-border);
  border-radius: 4px;
  overflow: hidden;
  transition:
    border-color var(--kd-t-med) var(--kd-ease),
    transform var(--kd-t-med) var(--kd-ease),
    box-shadow var(--kd-t-med) var(--kd-ease);
}

.kd-card:hover {
  border-color: var(--kd-red);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}

/* ============================================================
   IMAGE OVERLAYS
   ============================================================ */

.kd-img-zoom {
  overflow: hidden;
}
.kd-img-zoom img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--kd-ease);
}
.kd-img-zoom:hover img {
  transform: scale(1.06);
}

/* ============================================================
   LOADING STATE
   ============================================================ */

.kd-skeleton {
  background: linear-gradient(
    90deg,
    var(--kd-surface) 25%,
    var(--kd-surface-2) 50%,
    var(--kd-surface) 75%
  );
  background-size: 400px 100%;
  animation: kd-shimmer 1.5s infinite;
  border-radius: 2px;
}

/* ============================================================
   FOCUS STYLES (accessibility)
   ============================================================ */

:focus-visible {
  outline: 2px solid var(--kd-red);
  outline-offset: 3px;
}

/* ============================================================
   SCROLLBAR
   ============================================================ */

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--kd-black); }
::-webkit-scrollbar-thumb { background: var(--kd-border-2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--kd-red); }

/* ============================================================
   SELECTION
   ============================================================ */

::selection {
  background: var(--kd-red);
  color: #fff;
}

/* ============================================================
   DIVIDER WITH TEXT
   ============================================================ */

.kd-divider-text {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--kd-text-faint);
  font-family: var(--kd-font-display);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin: 32px 0;
}
.kd-divider-text::before,
.kd-divider-text::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--kd-border);
}

/* ============================================================
   RESPONSIVE CONTAINER
   ============================================================ */

.kd-container {
  max-width: var(--kd-container);
  margin: 0 auto;
  padding: 0 var(--kd-container-pad);
}

.kd-section {
  padding: var(--kd-section-pad) 0;
}

/* ============================================================
   BADGE / TAG
   ============================================================ */

.kd-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  background: var(--kd-red);
  color: #fff;
  font-family: var(--kd-font-display);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 2px;
}

.kd-badge-outline {
  background: transparent;
  border: 1px solid var(--kd-red);
  color: var(--kd-red);
}

/* ============================================================
   PRICE DISPLAY
   ============================================================ */

.kd-price {
  font-family: var(--kd-font-display);
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--kd-text-primary);
}

.kd-price-old {
  font-size: 1rem;
  color: var(--kd-text-muted);
  text-decoration: line-through;
  font-weight: 400;
  margin-right: 8px;
}

.kd-price-sale {
  color: #ff6b00;
}

/* ============================================================
   INLINE SCROLL PROGRESS BAR
   ============================================================ */

#kd-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--kd-red);
  z-index: 99999;
  transition: width 0.1s linear;
  transform-origin: left;
}

/* ============================================================
   RESPONSIVE UTILITIES
   ============================================================ */

@media (max-width: 768px) {
  .kd-hide-mobile { display: none !important; }
}
@media (min-width: 769px) {
  .kd-hide-desktop { display: none !important; }
}