/* ==========================================================================
   SCHWAB Cargo Logistik — Components
   Industrial Premium Component Library
   ========================================================================== */

/* ===========================
   BUTTONS
   =========================== */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-display);
  font-size: var(--fs-body);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  border: 2px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  overflow: hidden;
  transition:
    transform var(--transition-normal),
    box-shadow var(--transition-normal),
    background-color var(--transition-normal),
    border-color var(--transition-normal);
  -webkit-tap-highlight-color: transparent;
  isolation: isolate;
}

/* Ripple effect pseudo-element */
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--ripple-x, 50%) var(--ripple-y, 50%), rgba(255, 255, 255, 0.3) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-fast);
  pointer-events: none;
  z-index: -1;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn:hover::after {
  opacity: 1;
}

.btn:active {
  transform: scale(0.96);
  box-shadow: var(--shadow-sm);
}

/* Primary Button */
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent-light);
}

/* Secondary Button */
.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-light);
}

/* Ghost Button */
.btn-ghost {
  background: none;
  color: var(--color-accent-light);
  border-color: transparent;
  padding-inline: var(--space-sm);
}

.btn-ghost:hover {
  color: var(--color-accent);
  background: var(--color-surface-elevated);
}

/* Magnetic Button (JS handles movement) */
.btn-magnetic {
  will-change: transform;
}

/* Size Variants */
.btn-lg {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--fs-h4);
}

.btn-sm {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--fs-sm);
}


/* ===========================
   CARDS
   =========================== */

.card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-card);
  transition:
    transform var(--transition-normal),
    box-shadow var(--transition-normal),
    border-color var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent-dark);
}

.card-media {
  overflow: hidden;
  position: relative;
  border-radius: var(--radius);
  margin-block-end: var(--space-md);
}

.card-img {
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.card-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.card-title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 700;
}

.card-text {
  color: var(--color-text-secondary);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
}


/* ===========================
   NAVIGATION
   =========================== */

.nav {
  position: sticky;
  inset-block-start: 0;
  z-index: var(--z-sticky);
  background: var(--color-nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-block-end: 1px solid var(--color-border);
  padding-block: var(--space-sm);
}

.nav-inner {
  max-inline-size: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.nav-logo {
  block-size: clamp(32px, 4vw, 48px);
  inline-size: auto;
  flex-shrink: 0;
}

.nav-logo img {
  block-size: 100%;
  inline-size: auto;
}

/* Logo swap for light/dark mode */
.nav-logo-img--light {
  display: none;
}

[data-theme="light"] .nav-logo-img--dark {
  display: none;
}

[data-theme="light"] .nav-logo-img--light {
  display: block;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .nav-logo-img--dark {
    display: none;
  }
  :root:not([data-theme="dark"]) .nav-logo-img--light {
    display: block;
  }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-links a {
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  inset-block-end: -4px;
  inset-inline-start: 0;
  inline-size: 0;
  block-size: 2px;
  background: var(--color-accent);
  transition: inline-size var(--transition-normal);
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--color-text);
}

.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after {
  inline-size: 100%;
}

/* Hamburger Toggle (Mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  inline-size: 32px;
  block-size: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  inline-size: 100%;
  block-size: 2px;
  background: var(--color-text);
  border-radius: var(--radius-full);
  transition: transform var(--transition-normal), opacity var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Navigation Overlay */
.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: var(--color-nav-overlay);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
}

.nav-mobile.is-open {
  display: flex;
}

.nav-mobile a {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.nav-mobile a:hover {
  color: var(--color-accent);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }
}


/* ===========================
   TRUST BAR
   =========================== */

.trust-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
  padding-block: var(--space-md);
  border-block-start: 1px solid var(--color-border);
  border-block-end: 1px solid var(--color-border);
}

.trust-bar-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  font-weight: 500;
  white-space: nowrap;
}

.trust-bar-icon {
  inline-size: clamp(20px, 2vw, 28px);
  block-size: clamp(20px, 2vw, 28px);
  color: var(--color-accent);
}


/* ===========================
   BADGES
   =========================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  background: var(--color-surface-elevated);
  color: var(--color-text-secondary);
}

/* Status Variants for Tracking */
.badge-status--pending {
  background: rgba(245, 127, 23, 0.15);
  color: var(--color-warning);
}

.badge-status--active {
  background: rgba(230, 81, 0, 0.15);
  color: var(--color-accent-light);
}

.badge-status--completed {
  background: rgba(46, 125, 50, 0.15);
  color: var(--color-success);
}

.badge-status--error {
  background: rgba(198, 40, 40, 0.15);
  color: var(--color-error);
}


/* ===========================
   FORM INPUTS
   =========================== */

.input-wrapper {
  position: relative;
  inline-size: 100%;
}

.input-field {
  inline-size: 100%;
  padding: var(--space-md) var(--space-md) var(--space-sm);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--color-text);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.input-field:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(230, 81, 0, 0.2);
}

/* Floating Label */
.input-label {
  position: absolute;
  inset-block-start: 50%;
  inset-inline-start: var(--space-md);
  transform: translateY(-50%);
  font-size: var(--fs-body);
  color: var(--color-text-muted);
  pointer-events: none;
  transition:
    transform var(--transition-fast),
    font-size var(--transition-fast),
    color var(--transition-fast);
}

.input-field:focus ~ .input-label,
.input-field:not(:placeholder-shown) ~ .input-label {
  transform: translateY(-160%);
  font-size: var(--fs-xs);
  color: var(--color-accent);
}

/* Textarea */
.textarea {
  min-block-size: clamp(100px, 15vw, 200px);
  resize: vertical;
}

.textarea ~ .input-label {
  inset-block-start: var(--space-md);
  transform: translateY(0);
}

.textarea:focus ~ .input-label,
.textarea:not(:placeholder-shown) ~ .input-label {
  transform: translateY(-120%);
  font-size: var(--fs-xs);
  color: var(--color-accent);
}