/**
 * COLLATERAL KARTEL - MAIN CSS
 * Core resets, typography hierarchy, accessibility, and tactile print floor utilities.
 */

/* ==========================================================================
   RESET & BOX SIZING
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-padding-top: var(--header-height);
}

:target {
  scroll-margin-top: calc(var(--header-height) + 16px);
}

body {
  font-family: var(--font-body);
  font-weight: var(--fw-regular);
  color: var(--color-midnight);
  background-color: var(--color-soft-violet);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  position: relative;
}

/* Print texture overlay */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.025;
  background-image: radial-gradient(var(--color-midnight) 1px, transparent 0);
  background-size: 4px 4px;
}

/* ==========================================================================
   ACCESSIBILITY & FOCUS STATES
   ========================================================================== */
:focus-visible {
  outline: 3px solid var(--color-yellow) !important;
  outline-offset: 2px !important;
  box-shadow: 0 0 0 2px var(--color-midnight) !important;
  border-radius: var(--radius-sm);
}

.skip-to-content {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--color-yellow);
  color: var(--color-midnight);
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  padding: 12px 20px;
  border: var(--border-thick);
  box-shadow: var(--shadow-md);
  z-index: 10000;
  transition: top var(--transition-fast);
  text-decoration: none;
}

.skip-to-content:focus {
  top: 16px;
}

/* Reduced Motion Override */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .ticker-track {
    animation: none !important;
  }

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ==========================================================================
   SCROLL REVEAL ANIMATIONS (INTERACTION FIDELITY)
   ========================================================================== */
[data-reveal] {
  opacity: 0;
  transform: translate3d(0, 22px, 0);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
  transition-delay: calc(var(--reveal-index, 0) * 85ms);
  will-change: opacity, transform;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

/* Visually hidden utility for accessible screen reader content */
.visually-hidden {
  position: absolute !important;
  clip-path: inset(50%) !important;
  overflow: hidden !important;
  width: 1px !important;
  height: 1px !important;
  margin: -1px !important;
  padding: 0 !important;
  border: 0 !important;
  white-space: nowrap !important;
}

/* Honeypot Anti-Spam Trap: strictly off-screen, invisible to AT, un-focusable without display:none */
.honeypot-trap {
  position: absolute !important;
  left: -9999px !important;
  top: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-midnight);
  line-height: 1.1;
  text-wrap: balance;
  font-feature-settings: "kern" 1, "liga" 1;
}

.font-display {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 0.95;
}

.font-heading {
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
}

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

/* Display Titles */
.display-hero {
  font-family: var(--font-display);
  font-size: var(--text-display);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 0.92;
  color: var(--color-midnight);
}

.display-section {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 0.95;
}

.h1-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--fw-black);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.h2-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.h3-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--fw-bold);
  line-height: 1.3;
}

.faq-question {
  text-transform: none !important;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: var(--fw-bold);
  color: var(--color-midnight);
  margin-bottom: 10px;
  line-height: 1.35;
}

.project-card-image {
  object-fit: cover;
  object-position: center bottom;
  width: 100%;
  height: 100%;
  display: block;
  transition: transform var(--transition-standard);
}

.paper-card:hover .project-card-image {
  transform: scale(1.03);
}

p {
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-midnight);
}

.lead-text {
  font-size: var(--text-lg);
  line-height: 1.5;
  font-weight: var(--fw-medium);
}

.caption-label {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.bg-white [style*="color: var(--color-orange)"],
.bg-soft-violet [style*="color: var(--color-orange)"],
.bg-yellow [style*="color: var(--color-orange)"],
.paper-card [style*="color: var(--color-orange)"],
.contact-hero-banner [style*="color: var(--color-orange)"] {
  color: var(--color-orange-ink) !important;
}

.bg-white [style*="color: #777"],
.bg-white [style*="color: #888"],
.bg-soft-violet [style*="color: #777"],
.bg-soft-violet [style*="color: #888"],
.paper-card [style*="color: #777"],
.paper-card [style*="color: #888"] {
  color: #5C5C5C !important;
}

/* ==========================================================================
   CONTAINERS & LAYOUT GRIDS
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.section {
  padding-block: var(--section-space);
  position: relative;
  border-bottom: var(--border-thick);
}

.section-tight {
  padding-block: clamp(2.5rem, 4vw, 4rem);
}

/* Background Color Themes */
.bg-yellow {
  background-color: var(--color-yellow);
  color: var(--color-midnight);
}

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

.bg-midnight h1, .bg-midnight h2, .bg-midnight h3, .bg-midnight p {
  color: var(--color-white);
}

.bg-ink-blue {
  background-color: var(--color-ink-blue);
  color: var(--color-white);
}

.bg-ink-blue h1, .bg-ink-blue h2, .bg-ink-blue h3, .bg-ink-blue p {
  color: var(--color-white);
}

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

.bg-violet {
  background-color: var(--color-soft-violet);
  color: var(--color-midnight);
}

/* ==========================================================================
   TACTILE INDUSTRIAL & PRINT ACCENTS
   ========================================================================== */
/* Registration Mark (Crosshairs in target circle) */
.reg-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid currentColor;
  position: relative;
  opacity: 0.6;
}

.reg-mark::before, .reg-mark::after {
  content: "";
  position: absolute;
  background: currentColor;
}

.reg-mark::before {
  width: 100%;
  height: 1px;
}

.reg-mark::after {
  width: 1px;
  height: 100%;
}

/* CMYK Registration Bars */
.cmyk-bar {
  display: flex;
  gap: 3px;
  align-items: center;
}

.cmyk-bar span {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 1px solid var(--color-midnight);
}

.cmyk-c { background-color: var(--cmyk-c); }
.cmyk-m { background-color: var(--cmyk-m); }
.cmyk-y { background-color: var(--cmyk-y); }
.cmyk-k { background-color: var(--cmyk-k); }

/* Crop Corner Marks */
.crop-container {
  position: relative;
}

.crop-mark {
  position: absolute;
  width: 12px;
  height: 12px;
  border-color: currentColor;
  border-style: solid;
  pointer-events: none;
  opacity: 0.5;
}

.crop-tl {
  top: 8px;
  left: 8px;
  border-width: 2px 0 0 2px;
}

.crop-tr {
  top: 8px;
  right: 8px;
  border-width: 2px 2px 0 0;
}

.crop-bl {
  bottom: 8px;
  left: 8px;
  border-width: 0 0 2px 2px;
}

.crop-br {
  bottom: 8px;
  right: 8px;
  border-width: 0 2px 2px 0;
}

/* Tactile Physical Paper Cards */
.paper-card {
  background: var(--color-white);
  border: var(--border-thick);
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-sm);
  transition: transform var(--transition-standard), box-shadow var(--transition-standard);
  position: relative;
}

.paper-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-lg);
}

.paper-card-dark {
  background: var(--color-midnight);
  color: var(--color-white);
  border: 3px solid var(--color-yellow);
  box-shadow: 6px 6px 0px var(--color-yellow);
}

.paper-card-dark:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0px var(--color-yellow);
}

/* Tactile Sticker Tag */
.sticker-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: var(--fw-black);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 14px;
  background: var(--color-yellow);
  color: var(--color-midnight);
  border: 2px solid var(--color-midnight);
  box-shadow: 2px 2px 0px var(--color-midnight);
  border-radius: var(--radius-sm);
  transform: rotate(-2deg);
}

.sticker-tag-orange {
  background: var(--color-orange);
  color: var(--color-midnight);
}

.sticker-tag-blue {
  background: var(--color-ink-blue);
  color: var(--color-yellow);
}

/* ==========================================================================
   BUTTONS & CTAs
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
  border: var(--border-thick);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-yellow);
  color: var(--color-midnight);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
  background-color: #FFE066;
}

.btn-primary:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0px var(--color-midnight);
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-midnight);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
  background-color: var(--color-soft-violet);
}

.btn-dark {
  background-color: var(--color-midnight);
  color: var(--color-yellow);
  border-color: var(--color-yellow);
  box-shadow: 4px 4px 0px var(--color-yellow);
}

.btn-dark:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px var(--color-yellow);
  background-color: #262642;
}

.btn-whatsapp {
  background-color: #25D366;
  color: var(--color-midnight);
  border: 2px solid var(--color-midnight);
  box-shadow: var(--shadow-sm);
}

.btn-whatsapp:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
  background-color: #20BD5A;
}

.btn-orange {
  background-color: var(--color-orange);
  color: var(--color-midnight);
  border-color: var(--color-midnight);
  box-shadow: var(--shadow-sm);
}

.btn-orange:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
  background-color: #FF5514;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.75rem;
}

.btn-lg {
  padding: 12px 24px;
  font-size: 0.875rem;
}

/* ==========================================================================
   IMAGES & MEDIA
   ========================================================================== */
img, svg, picture {
  display: block;
  max-width: 100%;
  height: auto;
}

.responsive-picture {
  display: contents;
}

.img-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.img-contain {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* ==========================================================================
   BADGES & CHIPS
   ========================================================================== */
.spec-chip {
  display: inline-block;
  background: var(--color-soft-violet);
  color: var(--color-ink-blue);
  border: 1px solid var(--color-ink-blue);
  font-family: var(--font-heading);
  font-size: 0.6875rem;
  font-weight: var(--fw-bold);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}