/* ==========================================================================
   KLIC BUSINESS SOLUTION — COMPONENTS
   Header, Mobile Nav, Magnetic Buttons, Custom Cursor, Footer, Forms, Timeline
   ========================================================================== */

/* --------------------------------------------------------------------------
   01. HEADER & NAVIGATION
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: background-color 0.4s var(--ease-editorial), 
              border-color 0.4s var(--ease-editorial), 
              height 0.4s var(--ease-editorial),
              backdrop-filter 0.4s var(--ease-editorial);
  border-bottom: 1px solid transparent;
}

.header.scrolled {
  height: 70px;
  background-color: var(--header-bg-scrolled);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-hairline);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Brand Logo */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
  text-decoration: none;
  z-index: 1002;
  transition: color var(--duration-fast);
}

.logo-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--klic-green);
  border-radius: 50%;
}

/* Desktop Nav Links */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--duration-fast) var(--ease-editorial);
}

.nav-link:hover {
  color: var(--text);
}

.nav-link.active {
  color: var(--text);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--klic-green);
  transition: width var(--duration-normal) var(--ease-editorial);
}

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

/* Header Action Group */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

/* Theme Toggle Button */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.95rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-hairline);
  border-radius: 100px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-editorial);
  user-select: none;
}

.theme-toggle:hover {
  border-color: var(--klic-green);
  color: var(--klic-green);
}

.theme-toggle .theme-icon {
  font-size: 0.95rem;
  line-height: 1;
}

[data-theme="light"] .theme-toggle .sun-icon {
  display: none;
}

[data-theme="light"] .theme-toggle .moon-icon {
  display: inline-block;
}

:root:not([data-theme="light"]) .theme-toggle .moon-icon {
  display: none;
}

:root:not([data-theme="light"]) .theme-toggle .sun-icon {
  display: inline-block;
}

/* --------------------------------------------------------------------------
   02. BUTTONS & CTAS
   -------------------------------------------------------------------------- */
.btn-klic-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  background-color: var(--klic-green);
  color: #000000;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.85rem 1.65rem;
  border-radius: 2px;
  transition: transform var(--duration-fast) var(--ease-editorial),
              background-color var(--duration-fast) var(--ease-editorial),
              box-shadow var(--duration-fast) var(--ease-editorial);
  position: relative;
  overflow: hidden;
}

.btn-klic-primary:hover {
  background-color: var(--klic-green-hover);
  box-shadow: 0 4px 20px rgba(22, 198, 83, 0.35);
  transform: translateY(-2px);
}

.btn-klic-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  background-color: transparent;
  color: var(--text);
  border: 1px solid var(--border-medium);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.85rem 1.65rem;
  border-radius: 2px;
  transition: border-color var(--duration-fast) var(--ease-editorial),
              background-color var(--duration-fast) var(--ease-editorial),
              transform var(--duration-fast) var(--ease-editorial);
}

.btn-klic-secondary:hover {
  border-color: var(--text);
  background-color: var(--klic-green-dim);
  transform: translateY(-2px);
}

.btn-klic-text {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text);
  position: relative;
  padding-bottom: 2px;
}

.btn-klic-text span.arrow {
  color: var(--klic-green);
  transition: transform var(--duration-fast) var(--ease-editorial);
}

.btn-klic-text:hover span.arrow {
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   03. MOBILE MENU
   -------------------------------------------------------------------------- */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  padding: 8px;
  z-index: 1005;
  cursor: pointer;
}

.mobile-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text);
  transition: transform 0.3s var(--ease-editorial), opacity 0.3s, background-color 0.3s;
}

.mobile-toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  min-height: 100dvh;
  background-color: var(--bg);
  z-index: 1001;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: calc(var(--header-height) + 1.5rem) var(--gutter) calc(2.5rem + env(safe-area-inset-bottom, 0px));
  opacity: 0;
  pointer-events: none;
  transform: translateY(-20px);
  transition: opacity 0.4s var(--ease-editorial), transform 0.4s var(--ease-editorial), background-color 0.35s;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.mobile-overlay.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.mobile-nav-link {
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 3.5rem);
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-hairline);
  padding-bottom: 0.75rem;
}

.mobile-nav-link span.num {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--klic-green);
}

.mobile-contact-info {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   04. CUSTOM INTERACTIVE CURSOR
   -------------------------------------------------------------------------- */
.klic-cursor-dot {
  position: fixed;
  top: 0;
  left: 0;
  width: 8px;
  height: 8px;
  background-color: var(--klic-green);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: opacity 0.2s, transform 0.1s linear;
}

.klic-cursor-follower {
  position: fixed;
  top: 0;
  left: 0;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: width 0.3s var(--ease-editorial), 
              height 0.3s var(--ease-editorial), 
              background-color 0.3s var(--ease-editorial),
              border-color 0.3s var(--ease-editorial),
              opacity 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.klic-cursor-follower span.cursor-text {
  opacity: 0;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #000000;
  white-space: nowrap;
  transition: opacity 0.2s;
  pointer-events: none;
}

/* Expanded state on hover targets */
.klic-cursor-follower.has-text {
  width: 120px;
  height: 120px;
  background-color: var(--klic-green);
  border-color: var(--klic-green);
  box-shadow: 0 0 30px rgba(22, 198, 83, 0.4);
}

.klic-cursor-follower.has-text span.cursor-text {
  opacity: 1;
}

.klic-cursor-follower.hovered {
  width: 64px;
  height: 64px;
  border-color: var(--klic-green);
  background-color: rgba(22, 198, 83, 0.08);
}

/* Hide custom cursor on mobile / touch / tablet */
@media (max-width: 1024px), (hover: none), (pointer: coarse) {
  .klic-cursor-dot,
  .klic-cursor-follower {
    display: none !important;
  }
}

/* --------------------------------------------------------------------------
   05. EDITORIAL SERVICE ROWS
   -------------------------------------------------------------------------- */
.service-row {
  display: grid;
  grid-template-columns: 80px 1.5fr 2fr 180px;
  align-items: baseline;
  padding: 3rem 0;
  border-top: 1px solid var(--border-hairline);
  position: relative;
  transition: background-color var(--duration-fast) var(--ease-editorial);
}

.service-row:last-child {
  border-bottom: 1px solid var(--border-hairline);
}

.service-num {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--klic-green);
  font-weight: 600;
}

.service-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  transition: transform var(--duration-fast) var(--ease-editorial), color var(--duration-fast);
}

.service-row:hover .service-title {
  transform: translateX(12px);
  color: var(--klic-green);
}

.service-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.6;
  padding-right: 2rem;
}

.service-action {
  text-align: right;
}

/* --------------------------------------------------------------------------
   06. EDITORIAL PORTFOLIO GRID & CARDS
   -------------------------------------------------------------------------- */
.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3.5rem;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.55rem 1.25rem;
  border: 1px solid var(--border-hairline);
  border-radius: 100px;
  color: var(--text-muted);
  background: var(--bg-surface-elevated);
  transition: all var(--duration-fast) var(--ease-editorial);
}

.filter-btn:hover,
.filter-btn.active {
  color: #000000;
  background: var(--klic-green);
  border-color: var(--klic-green);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 2.5rem;
}

.project-card {
  position: relative;
  overflow: hidden;
  background: var(--card-bg);
  border: 1px solid var(--border-hairline);
  display: flex;
  flex-direction: column;
  transition: border-color 0.4s var(--ease-editorial), background-color 0.35s;
  cursor: pointer;
}

.project-card:hover {
  border-color: var(--klic-green-border);
}

.project-card.span-7 {
  grid-column: span 7;
}

.project-card.span-5 {
  grid-column: span 5;
}

.project-card.span-6 {
  grid-column: span 6;
}

.project-card.span-12 {
  grid-column: span 12;
}

.project-image-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--card-bg-elevated);
}

.project-image-wrapper img,
.project-image-wrapper svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-editorial);
}

.project-card:hover .project-image-wrapper img,
.project-card:hover .project-image-wrapper svg {
  transform: scale(1.04);
}

.project-info {
  padding: 1.75rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: var(--card-bg);
  border-top: 1px solid var(--border-hairline);
  transition: background-color 0.35s;
}

.project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.project-meta .category {
  color: var(--klic-green);
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color var(--duration-fast);
}

.project-card:hover .project-title {
  color: var(--klic-green);
}

/* --------------------------------------------------------------------------
   07. CASE STUDY DETAIL MODAL
   -------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--ease-editorial);
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--modal-bg);
  border: 1px solid var(--border-medium);
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  padding: clamp(2rem, 4vw, 3.5rem);
  transform: translateY(30px);
  transition: transform 0.4s var(--ease-editorial), background-color 0.35s;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.modal-backdrop.active .modal-content {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-hairline);
  color: var(--text);
  font-size: 1.25rem;
  transition: background-color var(--duration-fast), border-color var(--duration-fast);
}

.modal-close-btn:hover {
  border-color: var(--klic-green);
  color: var(--klic-green);
}

/* --------------------------------------------------------------------------
   08. FORMS & INPUTS
   -------------------------------------------------------------------------- */
.form-klic {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  position: relative;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--border-hairline);
  border-radius: 2px;
  padding: 1.1rem 1.25rem;
  font-size: 1rem;
  color: var(--text);
  transition: border-color var(--duration-fast) var(--ease-editorial),
              background-color var(--duration-fast) var(--ease-editorial);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--klic-green);
  background-color: var(--input-bg-focus);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.form-select option {
  background-color: var(--modal-bg);
  color: var(--text);
}

.form-status {
  padding: 1rem;
  border-radius: 2px;
  font-size: 0.9rem;
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(22, 198, 83, 0.1);
  border: 1px solid var(--klic-green);
  color: var(--text);
}

.form-status.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid #EF4444;
  color: var(--text);
}

@media (max-width: 640px) {
  .form-klic .btn-klic-primary {
    width: 100%;
    text-align: center;
    justify-content: center;
  }
}

/* --------------------------------------------------------------------------
   09. EDITORIAL TIMELINE
   -------------------------------------------------------------------------- */
.timeline-process {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  position: relative;
}

.timeline-step {
  position: relative;
  padding-top: 2rem;
  border-top: 1px solid var(--border-hairline);
}

.timeline-step::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--klic-green);
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--klic-green);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.step-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.step-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   10. FOOTER
   -------------------------------------------------------------------------- */
.footer {
  background-color: var(--footer-bg);
  border-top: 1px solid var(--border-hairline);
  padding: 6rem 0 3rem;
  position: relative;
  transition: background-color 0.35s;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  margin-bottom: 5rem;
}

.footer-brand h3 {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.footer-tagline {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--klic-green);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border-hairline);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .service-row {
    grid-template-columns: 50px 1fr;
    gap: 1rem;
  }
  .service-desc {
    grid-column: 2 / -1;
    padding-right: 0;
  }
  .service-action {
    grid-column: 2 / -1;
    text-align: left;
    margin-top: 1rem;
  }
  .project-card.span-7,
  .project-card.span-5 {
    grid-column: span 12;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .header {
    height: var(--header-height);
  }
  .header.scrolled {
    height: 58px;
  }
  .logo {
    font-size: 1.45rem;
  }
  .nav-desktop,
  .header-actions .btn-klic-primary {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .portfolio-filters {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 0.5rem;
    padding-bottom: 0.75rem;
    margin-bottom: 2rem;
    margin-left: calc(-1 * var(--gutter));
    margin-right: calc(-1 * var(--gutter));
    padding-left: var(--gutter);
    padding-right: var(--gutter);
  }
  .portfolio-filters::-webkit-scrollbar {
    display: none;
  }
  .filter-btn {
    flex-shrink: 0;
    white-space: nowrap;
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
  }
  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .project-card.span-6 {
    grid-column: span 1;
  }
  .project-info {
    padding: 1.25rem 1.25rem 1.5rem;
  }
  .project-title {
    font-size: 1.25rem;
  }
  .modal-backdrop {
    padding: 1rem;
    align-items: flex-end;
  }
  .modal-content {
    max-height: 85vh;
    max-height: 85dvh;
    padding: 2.25rem 1.25rem 1.5rem;
    border-radius: 6px 6px 0 0;
  }
  .modal-close-btn {
    top: 0.75rem;
    right: 0.75rem;
    width: 38px;
    height: 38px;
  }
  .footer {
    padding: 4rem 0 2.5rem;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    margin-bottom: 3.5rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1.25rem;
    align-items: flex-start;
  }
}

@media (max-width: 540px) {
  .service-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 2rem 0;
  }
  .service-desc {
    grid-column: 1 / -1;
  }
  .service-action {
    grid-column: 1 / -1;
    margin-top: 0.5rem;
  }
}