/* ==========================================================
   TAROSE INVESTMENTS LIMITED
   Enterprise Front-End Design System
   ----------------------------------------------------------
   Purpose:
   - Corporate / enterprise visual system
   - Engineering & infrastructure aesthetic
   - Responsive production UI
   - Accessibility-first interactions
   - Dark / light theme support
   - Service carousel / modal
   - Project cards
   - Contact forms
   - AI assistant
   - Reduced-motion support
   - Print optimization

   Regional positioning:
   Kenya • Nairobi • East Africa
   ========================================================== */


/* ==========================================================
   01. DESIGN TOKENS
   ========================================================== */

:root {
  color-scheme: dark;

  --color-navy: #1e293b;
  --color-navy-deep: #131c2b;
  --color-navy-darkest: #0b1220;

  --color-crimson: #b22222;
  --color-crimson-dark: #8f1b1b;
  --color-crimson-soft: rgba(178, 34, 34, 0.12);
  --color-crimson-border: rgba(178, 34, 34, 0.45);

  --color-steel: #94a3b8;
  --color-steel-dark: #64748b;

  --color-base: #f8fafc;
  --color-surface: #ffffff;
  --color-ink: #0f172a;

  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-strong: rgba(255, 255, 255, 0.14);

  --surface-glass: rgba(19, 28, 43, 0.72);
  --surface-card: rgba(30, 41, 59, 0.48);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.16);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.18);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.28);
  --shadow-crimson: 0 12px 32px rgba(178, 34, 34, 0.16);

  --radius-sm: 2px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --radius-pill: 999px;

  --transition-fast: 160ms ease;
  --transition-base: 240ms ease;
  --transition-slow: 420ms ease;

  --content-width: 1280px;
  --reading-width: 760px;

  --header-height: 72px;

  --focus-ring:
    0 0 0 3px rgba(178, 34, 34, 0.25);
}


/* ==========================================================
   02. BASE DOCUMENT
   ========================================================== */

html {
  scroll-behavior: smooth;
  background: var(--color-navy-deep);
  text-rendering: optimizeLegibility;
  -webkit-text-size-adjust: 100%;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--color-navy-deep);
  color: var(--color-base);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img,
svg,
video {
  max-width: 100%;
}

img {
  height: auto;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  -webkit-tap-highlight-color: transparent;
}

::selection {
  background: var(--color-crimson);
  color: #ffffff;
}


/* ==========================================================
   03. ACCESSIBILITY
   ========================================================== */

:focus {
  outline: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-crimson);
  outline-offset: 3px;
  box-shadow: var(--focus-ring);
}

@media (forced-colors: active) {
  a:focus-visible,
  button:focus-visible,
  input:focus-visible,
  textarea:focus-visible,
  select:focus-visible {
    outline: 2px solid CanvasText;
    box-shadow: none;
  }
}


/* ==========================================================
   04. REDUCED MOTION
   ========================================================== */

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}


/* ==========================================================
   05. LIGHT THEME
   ========================================================== */

html.light {
  color-scheme: light;
  background: #eef2f6;
}

html.light body {
  background: #eef2f6;
  color: var(--color-ink);
}

html.light #site-header {
  background: rgba(238, 242, 246, 0.88);
  border-color: rgba(15, 23, 42, 0.08);
  box-shadow:
    0 8px 30px rgba(15, 23, 42, 0.05);
}

html.light #mobile-nav {
  background: rgba(238, 242, 246, 0.98);
  border-color: rgba(15, 23, 42, 0.08);
}

html.light .bg-navydeep {
  background: #eef2f6 !important;
}

html.light .bg-navy {
  background: #ffffff !important;
}

html.light .bg-navy\/30,
html.light .bg-navy\/40,
html.light .bg-navy\/60 {
  background: rgba(255, 255, 255, 0.76) !important;
}

html.light .text-base {
  color: var(--color-ink) !important;
}

html.light .text-steel {
  color: #475569 !important;
}

html.light .text-white {
  color: #ffffff !important;
}

html.light .border-white\/5,
html.light .border-white\/10,
html.light .border-white\/15 {
  border-color: rgba(15, 23, 42, 0.08) !important;
}

html.light .service-card,
html.light .project-card,
html.light .credential-item {
  background: #ffffff;
  border-color: rgba(15, 23, 42, 0.08);
  box-shadow: var(--shadow-sm);
}

html.light .service-card:hover,
html.light .project-card:hover {
  background: #ffffff;
  border-color: var(--color-crimson-border);
  box-shadow: var(--shadow-md);
}

html.light .form-input {
  background: #ffffff;
  border-color: rgba(15, 23, 42, 0.15);
  color: var(--color-ink);
}

html.light .form-input::placeholder {
  color: #94a3b8;
}

html.light .form-input:focus {
  background: #ffffff;
  border-color: var(--color-crimson);
}

html.light .chat-bubble.from-bot {
  background: rgba(15, 23, 42, 0.05);
  border-color: rgba(15, 23, 42, 0.08);
  color: var(--color-ink);
}

html.light .chip {
  border-color: rgba(15, 23, 42, 0.12);
  color: #475569;
}

html.light .blueprint-grid {
  background-image:
    linear-gradient(
      rgba(15, 23, 42, 0.045) 1px,
      transparent 1px
    ),
    linear-gradient(
      90deg,
      rgba(15, 23, 42, 0.045) 1px,
      transparent 1px
    );
}

html.light .hero-gradient {
  opacity: 0.45;
}


/* ==========================================================
   06. ENGINEERING / BLUEPRINT BACKDROP
   ========================================================== */

.blueprint-grid {
  background-image:
    linear-gradient(
      rgba(148, 163, 184, 0.055) 1px,
      transparent 1px
    ),
    linear-gradient(
      90deg,
      rgba(148, 163, 184, 0.055) 1px,
      transparent 1px
    );

  background-size: 48px 48px;

  mask-image:
    radial-gradient(
      ellipse 80% 60% at 50% 0%,
      black 40%,
      transparent 90%
    );

  -webkit-mask-image:
    radial-gradient(
      ellipse 80% 60% at 50% 0%,
      black 40%,
      transparent 90%
    );

  pointer-events: none;
}

.hero-gradient {
  background:
    radial-gradient(
      60% 55% at 78% 25%,
      rgba(178, 34, 34, 0.16),
      transparent 70%
    ),
    radial-gradient(
      50% 50% at 10% 85%,
      rgba(148, 163, 184, 0.1),
      transparent 70%
    );

  pointer-events: none;
}


/* ==========================================================
   07. STRUCTURAL / TRUSS DIVIDER
   ========================================================== */

.truss-divider {
  width: 100%;
  height: 34px;

  background-repeat: repeat-x;
  background-position: center;
  background-size: 68px 34px;

  opacity: 0.35;

  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='68' height='34' viewBox='0 0 68 34'%3E%3Cpath d='M0 30 L17 4 L34 30 L51 4 L68 30' stroke='%2394A3B8' stroke-width='1.4' fill='none'/%3E%3Cline x1='0' y1='30' x2='68' y2='30' stroke='%2394A3B8' stroke-width='1.4'/%3E%3C/svg%3E");
}


/* ==========================================================
   08. NAVIGATION
   ========================================================== */

.nav-link {
  position: relative;
  padding-bottom: 5px;
  color: inherit;
  text-decoration: none;
}

.nav-link::after {
  content: "";

  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;

  height: 1px;

  background: var(--color-crimson);

  transition:
    right var(--transition-base);
}

.nav-link:hover::after,
.nav-link[aria-current="page"]::after {
  right: 0;
}

@media (prefers-reduced-motion: reduce) {
  .nav-link::after {
    transition: none;
  }
}


/* ==========================================================
   09. HERO REVEAL
   ========================================================== */

@keyframes reveal-up {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  animation:
    reveal-up 700ms ease both;
}

.reveal-delay {
  animation:
    reveal-up 700ms 150ms ease both;
}


/* ==========================================================
   10. SCROLL REVEAL
   ========================================================== */

.scroll-reveal {
  opacity: 0;
  transform: translateY(24px);

  transition:
    opacity 600ms ease,
    transform 600ms ease;
}

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


/* ==========================================================
   11. STATUS / ACTIVITY INDICATOR
   ========================================================== */

@keyframes pulse-dot {
  0%,
  100% {
    box-shadow:
      0 0 0 0 rgba(178, 34, 34, 0.55);
  }

  70% {
    box-shadow:
      0 0 0 6px rgba(178, 34, 34, 0);
  }
}

.pulse-dot {
  animation:
    pulse-dot 2s infinite;
}


/* ==========================================================
   12. TRUST / CREDENTIAL BADGES
   ========================================================== */

.trust-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.credential-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 1.5rem;

  background: var(--surface-card);

  transition:
    border-color var(--transition-base),
    background var(--transition-base),
    box-shadow var(--transition-base);
}

.credential-item:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-sm);
}


/* ==========================================================
   13. SERVICE CARDS
   ========================================================== */

.service-card {
  position: relative;

  display: block;
  width: 100%;

  text-align: left;

  background: var(--surface-card);

  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);

  padding: 1.75rem 1.5rem;

  cursor: pointer;

  transition:
    transform var(--transition-base),
    border-color var(--transition-base),
    background var(--transition-base),
    box-shadow var(--transition-base);
}

.service-card:hover {
  transform: translateY(-4px);

  border-color: var(--color-crimson-border);

  background:
    rgba(30, 41, 59, 0.82);

  box-shadow: var(--shadow-crimson);
}

.service-card:active {
  transform: translateY(-1px);
}

.service-card-index {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;

  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;

  color:
    rgba(148, 163, 184, 0.5);
}

.service-card-arrow {
  display: block;

  margin-top: 1.25rem;

  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.05em;

  color: var(--color-crimson);

  opacity: 0;
  transform: translateX(-4px);

  transition:
    opacity var(--transition-base),
    transform var(--transition-base);
}

.service-card:hover .service-card-arrow,
.service-card:focus-visible .service-card-arrow {
  opacity: 1;
  transform: translateX(0);
}


/* ==========================================================
   14. PROJECT CARDS
   ========================================================== */

.project-card {
  overflow: hidden;

  background: var(--surface-card);

  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);

  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.project-card:hover {
  border-color: var(--color-crimson-border);
  box-shadow: var(--shadow-md);
}

.project-card-media {
  height: 280px;

  background-size: cover;
  background-position: center center;

  filter:
    grayscale(15%)
    contrast(1.04);

  position: relative;
  overflow: hidden;

  transition:
    filter var(--transition-slow),
    transform 500ms ease;
}

.project-card-media::after {
  content: "";

  position: absolute;
  inset: 0;

  background:
    linear-gradient(
      to bottom,
      rgba(19, 28, 43, 0.02) 0%,
      rgba(19, 28, 43, 0.08) 55%,
      rgba(19, 28, 43, 0.32) 100%
    );

  pointer-events: none;
}

.project-card:hover .project-card-media {
  filter:
    grayscale(0%)
    contrast(1.04);

  transform: scale(1.02);
}

.project-card-media-wide {
  height: 300px;
}


/* ==========================================================
   15. FORMS
   ========================================================== */

.form-label {
  display: block;

  margin-bottom: 0.5rem;

  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;

  color: var(--color-steel);
}

.form-input {
  width: 100%;
  box-sizing: border-box;

  background:
    rgba(19, 28, 43, 0.68);

  border:
    1px solid rgba(255, 255, 255, 0.12);

  border-radius: var(--radius-sm);

  padding:
    0.8rem 0.9rem;

  color: var(--color-base);

  font-size: 0.9rem;

  transition:
    border-color var(--transition-fast),
    background var(--transition-fast),
    box-shadow var(--transition-fast);
}

.form-input::placeholder {
  color:
    rgba(148, 163, 184, 0.55);
}

.form-input:hover {
  border-color:
    rgba(255, 255, 255, 0.2);
}

.form-input:focus {
  outline: none;

  border-color:
    var(--color-crimson);

  background:
    rgba(19, 28, 43, 0.9);

  box-shadow:
    var(--focus-ring);
}

.form-input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-input[aria-invalid="true"] {
  border-color:
    var(--color-crimson);

  box-shadow:
    var(--focus-ring);
}


/* ==========================================================
   16. CONTACT STATUS
   ========================================================== */

#form-status {
  min-height: 1.5rem;

  transition:
    opacity var(--transition-fast);
}


/* ==========================================================
   17. SERVICE MODAL
   ========================================================== */

#service-modal {
  isolation: isolate;
}

#service-modal > .relative {
  max-height: 100dvh;
}

#service-modal [data-close-modal] {
  -webkit-tap-highlight-color: transparent;
}

#service-modal .overflow-hidden {
  contain: layout paint;
}


/* ==========================================================
   18. ENTERPRISE CAROUSEL
   ========================================================== */

/*
 * Carousel architecture
 * ---------------------
 * #carousel-viewport = clipping / interaction surface
 * #carousel-track    = horizontal slide container
 * .carousel-slide    = one full-width slide
 *
 * JavaScript controls the track position using transform.
 */


/* ----------------------------------------------------------
   Carousel viewport
   ---------------------------------------------------------- */

#carousel-viewport {
  position: relative;
  isolation: isolate;

  width: 100%;
  height: 100%;

  overflow: hidden;

  background: var(--color-navy-darkest);

  touch-action: pan-y;
  overscroll-behavior: contain;

  contain: layout paint;
}


/* ----------------------------------------------------------
   Horizontal carousel track
   ---------------------------------------------------------- */

#carousel-track {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;

  width: 100%;
  height: 100%;

  margin: 0;
  padding: 0;

  /*
   * JavaScript updates this value when changing slides.
   */
  transform: translate3d(0, 0, 0);

  /*
   * Smooth movement between slides.
   */
  transition:
    transform 420ms cubic-bezier(0.22, 1, 0.36, 1);

  will-change: transform;

  /*
   * Prevent slides from wrapping vertically.
   */
  overflow: visible;

  /*
   * Prevent accidental text selection during swipe.
   */
  user-select: none;
  -webkit-user-select: none;
}


/* ----------------------------------------------------------
   Individual slide
   ---------------------------------------------------------- */

#carousel-track > .carousel-slide {
  position: relative;

  display: block;

  /*
   * Every slide occupies exactly one viewport.
   */
  flex: 0 0 100%;

  width: 100%;
  min-width: 100%;
  height: 100%;

  margin: 0;
  padding: 0;

  background-color: var(--color-navy-darkest);

  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;

  overflow: hidden;

  /*
   * Prevent transform animation artifacts.
   */
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;

  transform: translateZ(0);

  contain: paint;
}


/* ----------------------------------------------------------
   Readability overlay
   ---------------------------------------------------------- */

#carousel-track > .carousel-slide::before {
  content: "";

  position: absolute;
  inset: 0;

  z-index: 0;

  background:
    linear-gradient(
      180deg,
      rgba(15, 23, 42, 0.02) 0%,
      rgba(15, 23, 42, 0.08) 45%,
      rgba(15, 23, 42, 0.78) 100%
    );

  pointer-events: none;
}


/* ----------------------------------------------------------
   Horizontal contrast overlay
   ---------------------------------------------------------- */

#carousel-track > .carousel-slide::after {
  content: "";

  position: absolute;
  inset: 0;

  z-index: 1;

  background:
    linear-gradient(
      90deg,
      rgba(15, 23, 42, 0.12) 0%,
      transparent 35%,
      transparent 65%,
      rgba(15, 23, 42, 0.12) 100%
    );

  pointer-events: none;
}


/* ----------------------------------------------------------
   Carousel dots
   ---------------------------------------------------------- */

.carousel-dot {
  display: inline-block;

  width: 8px;
  height: 8px;
  min-width: 8px;

  padding: 0;
  margin: 0;

  border: 0;
  border-radius: 50%;

  background: rgba(248, 250, 252, 0.4);

  cursor: pointer;

  opacity: 0.85;

  transition:
    width var(--transition-fast),
    min-width var(--transition-fast),
    background-color var(--transition-fast),
    opacity var(--transition-fast),
    transform var(--transition-fast);
}

.carousel-dot:hover {
  opacity: 1;
  transform: scale(1.15);
}

.carousel-dot:focus-visible {
  outline: 2px solid var(--color-crimson);
  outline-offset: 4px;
}

.carousel-dot.is-active,
.carousel-dot[aria-current="true"] {
  width: 20px;
  min-width: 20px;

  border-radius: 4px;

  background: var(--color-crimson);

  opacity: 1;
}


/* ----------------------------------------------------------
   Previous / next controls
   ---------------------------------------------------------- */

#carousel-prev,
#carousel-next {
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast),
    opacity var(--transition-fast),
    box-shadow var(--transition-fast);
}

#carousel-prev:hover,
#carousel-next:hover {
  transform:
    translateY(-50%)
    scale(1.05);

  border-color: var(--color-crimson-border);

  box-shadow:
    0 8px 24px rgba(0, 0, 0, 0.25);
}

#carousel-prev:active,
#carousel-next:active {
  transform:
    translateY(-50%)
    scale(0.97);
}

#carousel-prev:focus-visible,
#carousel-next:focus-visible {
  outline: 2px solid var(--color-crimson);
  outline-offset: 3px;
}


/* ----------------------------------------------------------
   Light theme
   ---------------------------------------------------------- */

html.light #carousel-viewport {
  background:
    linear-gradient(
      180deg,
      #e2e8f0 0%,
      #cbd5e1 100%
    );
}

html.light .carousel-dot {
  background:
    rgba(15, 23, 42, 0.25);
}

html.light .carousel-dot.is-active,
html.light .carousel-dot[aria-current="true"] {
  background:
    var(--color-crimson);
}


/* ----------------------------------------------------------
   Mobile
   ---------------------------------------------------------- */

@media (max-width: 640px) {

  #carousel-viewport {
    min-height: 15rem;
    height: 15rem;
  }

  #carousel-track > .carousel-slide {
    background-position: center center;
  }

  #carousel-prev,
  #carousel-next {
    width: 40px;
    height: 40px;
  }

  .carousel-dot {
    width: 7px;
    height: 7px;
    min-width: 7px;
  }

  .carousel-dot.is-active,
  .carousel-dot[aria-current="true"] {
    width: 18px;
    min-width: 18px;
  }
}

@media (max-width: 640px) {
  .project-card-media {
    height: 230px;
  }

  .project-card-media-wide {
    height: 240px;
  }
}


/* ----------------------------------------------------------
   Reduced motion
   ---------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {

  #carousel-track {
    transition: none !important;
    will-change: auto;
  }

  #carousel-prev,
  #carousel-next,
  .carousel-dot {
    transition: none !important;
  }
}

/* ==========================================================
   19. CAROUSEL MOBILE SAFETY
   ========================================================== */

@media (max-width: 640px) {
  #service-modal > .relative {
    align-items: flex-start;
    padding-top: 1rem;
    padding-bottom: 1rem;
  }

  #service-modal > .relative > .relative {
    max-height: calc(100dvh - 2rem);
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  #carousel-viewport {
    height: 15rem;
  }

  #carousel-prev,
  #carousel-next {
    width: 2.5rem;
    height: 2.5rem;
  }
}


/* ==========================================================
   20. AI ASSISTANT
   Enterprise intelligence-console styling
   ========================================================== */

.chat-bubble {
  max-width: 88%;

  padding:
    0.7rem 0.9rem;

  border-radius:
    0.25rem;

  line-height: 1.55;

  overflow-wrap: anywhere;

  font-size:
    0.875rem;
}

/* ----------------------------------------------------------
   Assistant response
   ---------------------------------------------------------- */

.chat-bubble.from-bot {
  background:
    rgba(148, 163, 184, 0.08);

  color:
    var(--color-base);

  border:
    1px solid rgba(255, 255, 255, 0.08);

  border-left:
    2px solid var(--color-crimson);
}

/* ----------------------------------------------------------
   User query
   ---------------------------------------------------------- */

.chat-bubble.from-user {
  margin-left:
    auto;

  background:
    rgba(178, 34, 34, 0.92);

  color:
    #ffffff;

  border:
    1px solid rgba(255, 255, 255, 0.08);
}

/* ----------------------------------------------------------
   Suggested questions / intelligence shortcuts
   ---------------------------------------------------------- */

.chip {
  display:
    inline-flex;

  align-items:
    center;

  justify-content:
    center;

  min-height:
    32px;

  font-family:
    "JetBrains Mono", monospace;

  font-size:
    0.68rem;

  padding:
    0.35rem 0.6rem;

  border:
    1px solid rgba(255, 255, 255, 0.12);

  border-radius:
    var(--radius-pill);

  color:
    var(--color-steel);

  background:
    transparent;

  cursor:
    pointer;

  transition:
    border-color var(--transition-fast),
    color var(--transition-fast),
    background var(--transition-fast);
}

.chip:hover {
  border-color:
    var(--color-crimson);

  color:
    var(--color-base);

  background:
    var(--color-crimson-soft);
}

/* ==========================================================
   21. AI CHAT SCROLLBAR
   ========================================================== */

#ai-messages {
  scrollbar-width: thin;

  scrollbar-color:
    rgba(148, 163, 184, 0.3)
    transparent;
}

#ai-messages::-webkit-scrollbar {
  width: 6px;
}

#ai-messages::-webkit-scrollbar-track {
  background: transparent;
}

#ai-messages::-webkit-scrollbar-thumb {
  background:
    rgba(148, 163, 184, 0.25);

  border-radius:
    var(--radius-pill);
}

#ai-messages::-webkit-scrollbar-thumb:hover {
  background:
    rgba(148, 163, 184, 0.4);
}


/* ==========================================================
   22. LOADING / DISABLED STATES
   ========================================================== */

button:disabled,
input:disabled,
textarea:disabled,
select:disabled {
  cursor: not-allowed;
}

button:disabled {
  opacity: 0.65;
}

[aria-busy="true"] {
  cursor: progress;
}


/* ==========================================================
   23. SAFE INTERACTION ON TOUCH DEVICES
   ========================================================== */

@media (hover: none) {
  .service-card:hover {
    transform: none;
    box-shadow: none;
  }

  .project-card:hover {
    box-shadow: none;
  }

  .project-card:hover .project-card-media {
    transform: none;
  }

  .service-card-arrow {
    opacity: 1;
    transform: none;
  }
}


/* ==========================================================
   24. PERFORMANCE HINTS
   ========================================================== */

.project-card-media,
.carousel-slide {
  backface-visibility: hidden;
}

.service-card,
.project-card {
  contain: layout paint;
}


/* ==========================================================
   25. CONTENT DENSITY / READING WIDTH
   ========================================================== */

.prose,
.reading-width {
  max-width:
    var(--reading-width);
}


/* ==========================================================
   26. RESPONSIVE CONTAINER SAFETY
   ========================================================== */

@media (min-width: 1536px) {
  .container {
    max-width:
      var(--content-width);
  }
}


/* ==========================================================
   27. PRINT
   ========================================================== */

@media print {
  html,
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }

  #site-header,
  #mobile-nav,
  #service-modal,
  #ai-assistant,
  .pulse-dot,
  .truss-divider,
  .blueprint-grid {
    display: none !important;
  }

  .service-card,
  .project-card,
  .credential-item {
    break-inside: avoid;
    border-color: #cccccc !important;
    background: #ffffff !important;
    color: #000000 !important;
    box-shadow: none !important;
  }

  a {
    color: #000000 !important;
    text-decoration: underline;
  }
}


/* ==========================================================
   28. FINAL REDUCED-MOTION OVERRIDES
   ========================================================== */

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-delay,
  .pulse-dot,
  .scroll-reveal {
    animation: none !important;
    transition: none !important;
  }

  .scroll-reveal {
    opacity: 1;
    transform: none;
  }

  .service-card:hover,
  .project-card:hover .project-card-media {
    transform: none;
  }

  #carousel-track {
    will-change: auto;
  }
}

/* ==========================================================
   27. LANGUAGE SWITCHER
   ========================================================== */

.language-toggle {
  cursor: pointer;
  font-family: "JetBrains Mono", monospace;
}

.language-toggle:hover {
  color: var(--color-base);
  border-color: var(--color-crimson);
}

.language-toggle.is-active {
  color: var(--color-base);
  background: var(--color-crimson);
  border-color: var(--color-crimson);
}