/* ==========================================================================
   components.css — SIPATECH reusable UI components
   Load order: 2 of 3 (base → components → pages)
   All values use CSS variables — no hardcoded hex or px sizes
   ========================================================================== */

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--transition-base), border-color var(--transition-base);
}

.nav--scrolled {
  background: var(--nav-scrolled-bg);
  border-bottom-color: var(--color-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  width: 100%;
}

.nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.nav__logo img,
.nav__logo svg {
  height: 36px;
  width: auto;
  display: block;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-left: auto;   /* push everything right of logo to the far right */
}

.nav__link {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

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

.nav__link:hover::after {
  transform: scaleX(1);
}

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

.nav__link--active::after {
  transform: scaleX(1);
}

/* Mobile controls row inside hamburger menu — hidden on desktop */
.nav__controls--mobile {
  display: none;
}

/* nav__controls: icon buttons + desktop CTA — always visible */
.nav__controls {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
  margin-left: var(--space-lg);  /* extra gap between nav links and social icons */
}

/* Icon-style action buttons (LinkedIn, theme toggle) */
.nav__action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: transparent;
  border: 1px solid var(--color-border-ui);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  text-decoration: none;
  flex-shrink: 0;
  transition:
    color var(--transition-fast),
    border-color var(--transition-fast),
    background var(--transition-fast);
}

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

.nav__action-btn svg {
  width: 15px;
  height: 15px;
  pointer-events: none;
}

/* Disabled state — used for LinkedIn until URL is configured */
.nav__action-btn--disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

/* CTA button: visible on desktop, hidden on mobile */
.nav__cta--desktop {
  margin-left: var(--space-xs);
}

/* CTA inside hamburger menu: hidden on desktop */
.nav__cta--mobile {
  display: none;
}

/* Legacy — keep for any references */
.nav__cta {
  margin-left: var(--space-md);
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: var(--space-sm);
  cursor: pointer;
  background: none;
  border: none;
  color: var(--color-text);
}

.nav__hamburger-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

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

.nav__hamburger[aria-expanded="true"] .nav__hamburger-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

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

/* Mobile nav */
@media (max-width: 767px) {
  .nav__hamburger {
    display: flex;
  }

  .nav__links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    margin-left: 0;  /* reset auto margin in mobile dropdown */
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md) 0;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-base), opacity var(--transition-base);
  }

  .nav__links--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__link {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    font-size: 1rem;
  }

  .nav__link::after {
    display: none;
  }

  /* CTA inside hamburger menu — shown on mobile */
  .nav__cta--mobile {
    display: block;
    margin: var(--space-md) var(--space-lg) var(--space-sm);
    width: calc(100% - 2 * var(--space-lg));
    text-align: center;
  }

  /* Desktop CTA — hidden on mobile */
  .nav__cta--desktop {
    display: none;
  }

  /* Desktop controls (icons) — hidden on mobile, shown inside hamburger menu instead */
  .nav__controls {
    display: none;
  }

  /* Hamburger right-aligned (nav__links is fixed so leaves the flow) */
  .nav__hamburger {
    margin-left: auto;
  }

  /* Mobile controls row — icons + CTA in one line at bottom of hamburger menu */
  .nav__controls--mobile {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-xs);
    list-style: none;
  }

  /* Push Talk to us button to the right of the icons */
  .nav__controls--mobile .btn {
    margin-left: auto;
  }
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.625rem var(--space-md);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    opacity var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn:disabled,
.btn[aria-busy="true"] {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background: var(--color-accent);
  color: #ffffff;
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: #1a85e0;
  border-color: #1a85e0;
  box-shadow: 0 0 20px rgba(var(--color-accent-rgb), 0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-ghost:hover {
  background: rgba(var(--color-accent-rgb), 0.08);
  box-shadow: 0 0 16px rgba(var(--color-accent-rgb), 0.15);
}

/* Loading spinner */
.btn--loading {
  color: transparent;
  pointer-events: none;
}

.btn--loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: var(--radius-full);
  animation: spin 0.7s linear infinite;
  color: #ffffff;
}

.btn-ghost.btn--loading::after {
  color: var(--color-accent);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-accent);
}

.card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: rgba(var(--color-accent-rgb), 0.08);
  border: 1px solid rgba(var(--color-accent-rgb), 0.15);
  border-radius: var(--radius-md);
  color: var(--color-accent);
  flex-shrink: 0;
}

.card__icon svg {
  width: 24px;
  height: 24px;
}

.card__icon--orange {
  background: rgba(var(--color-accent-red-rgb), 0.08);
  border-color: rgba(var(--color-accent-red-rgb), 0.15);
  color: var(--color-accent-red);
}

.card__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.card__body {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin: 0;
  flex: 1;
}

.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: auto;
  padding-top: var(--space-sm);
}

/* --------------------------------------------------------------------------
   Tags / Badges
   -------------------------------------------------------------------------- */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-sm);
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   Section Header
   -------------------------------------------------------------------------- */
.section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-xl);
}

.section-header__label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section-header__title {
  margin-bottom: var(--space-md);
}

.section-header__body {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* --------------------------------------------------------------------------
   CTA Strip
   -------------------------------------------------------------------------- */
.cta-strip {
  padding: var(--space-xl) 0 var(--space-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-strip::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 50% 100%, rgba(var(--color-accent-rgb), 0.07) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 0%, rgba(var(--color-accent-2-rgb), 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.cta-strip__inner {
  position: relative;
}

.cta-strip__title {
  margin-bottom: var(--space-md);
}

.cta-strip__body {
  max-width: 480px;
  margin-inline: auto;
  margin-bottom: var(--space-lg);
  font-size: 1rem;
}

.cta-strip__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-lg) 0 var(--space-md);
  margin-top: auto;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer__brand-logo {
  margin-bottom: var(--space-sm);
}

.footer__brand-logo img,
.footer__brand-logo svg {
  height: 32px;
  width: auto;
  display: block;
}

.footer__tagline {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  white-space: nowrap;
}

.footer__social {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--color-border-ui);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  flex-shrink: 0;
  transition:
    color var(--transition-fast),
    border-color var(--transition-fast);
}

.footer__social-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.footer__social-link svg {
  width: 14px;
  height: 14px;
  pointer-events: none;
}

.footer__social-link--disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

.footer__col-title {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-red);
  margin-bottom: var(--space-sm);
}

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

.footer__link {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.footer__copy {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer__legal-links {
  display: flex;
  gap: var(--space-md);
}

.footer__legal-link {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

@media (max-width: 767px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }

  .footer__brand {
    grid-column: 1 / -1;
  }

  .footer__bottom {
    flex-wrap: wrap;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }

  .footer__brand {
    grid-column: 1 / -1;
  }
}

/* --------------------------------------------------------------------------
   Form Controls
   -------------------------------------------------------------------------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

.form-label .required-mark {
  color: var(--color-error);
  margin-left: 2px;
}

.form-input,
.form-textarea {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.75rem var(--space-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  -webkit-appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 0.7;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb), 0.12);
}

.form-input[aria-invalid="true"],
.form-textarea[aria-invalid="true"] {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(247, 27, 61, 0.12);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-error {
  font-size: 0.8rem;
  color: var(--color-error);
  display: none;
  align-items: center;
  gap: var(--space-xs);
}

.form-error--visible {
  display: flex;
}

.form-hint {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Error Banner
   -------------------------------------------------------------------------- */
.error-banner {
  display: none;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  background: rgba(247, 27, 61, 0.08);
  border: 1px solid rgba(247, 27, 61, 0.3);
  border-radius: var(--radius-sm);
  color: var(--color-error);
  font-size: 0.875rem;
  line-height: 1.5;
}

.error-banner--visible {
  display: flex;
}

/* --------------------------------------------------------------------------
   Form Success
   -------------------------------------------------------------------------- */
.form-success {
  padding: var(--space-xl) var(--space-lg);
}

.form-success__body {
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Card tagline — punchy one-liner under the title
   -------------------------------------------------------------------------- */
.card__tagline {
  font-size: 0.78rem;
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 0.04em;
  margin: calc(-1 * var(--space-sm)) 0 0;
}

/* --------------------------------------------------------------------------
   Section header — flow line (arrow-separated journey steps)
   -------------------------------------------------------------------------- */
.section-header__body--flow {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  line-height: 2;
}

/* Style the → arrows in accent blue */
.section-header__body--flow .flow-arrow {
  color: var(--color-accent);
  margin: 0 0.3em;
}