/* Components — Official World Design System
   Styles for reusable UI components: site-header, nav-menu, hero sections,
   service cards, pricing cards, buttons, counters, and footer.
   All hover effects use transitions between 200ms and 400ms.
*/

/* ============================================
   Base Typography
   ============================================ */

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color var(--transition-medium), color var(--transition-medium);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-heading);
}

/* ============================================
   Focus visibility (keyboard) — WCAG 2.2 AA
   ============================================ */

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
.btn:focus-visible {
  outline: 3px solid var(--color-link);
  outline-offset: 2px;
}

/* Controls on the dark header/footer chrome need a focus ring that stays
   high-contrast against #1A1A2E regardless of mode/accent (--color-link can
   drop to 2.42:1 there). White outline on #1A1A2E ≈ 15.96:1. */
.site-header a:focus-visible,
.site-header button:focus-visible,
.site-header select:focus-visible,
.site-footer a:focus-visible,
.nav-menu a:focus-visible {
  outline-color: var(--focus-ring-on-dark);
}

h2 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
}

h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xs);
}

p {
  line-height: 1.7;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

p:last-child {
  margin-bottom: 0;
}

/* ============================================
   Site Header
   ============================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-inline: var(--space-sm);
  /* Header is a dark bar in both modes by design — pin to literal dark/light. */
  background-color: #1A1A2E;
  color: #FFFFFF;
}

.site-header .logo {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: #FF6B99; /* lightened brand pink — 6.35:1 on #1A1A2E */
  text-decoration: none;
  transition: color var(--transition-medium);
}

.site-header .logo:hover {
  color: var(--color-accent);
}

/* ============================================
   Navigation Toggle (Mobile)
   ============================================ */

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  padding: var(--space-xs);
  cursor: pointer;
  background: none;
  border: none;
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 24px;
  height: 3px;
  background-color: var(--color-on-dark);
  border-radius: 2px;
  transition: transform var(--transition-medium), opacity var(--transition-medium);
}

.hamburger {
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}

.hamburger::before {
  top: -7px;
}

.hamburger::after {
  top: 7px;
}

/* Hamburger open state */
.nav-toggle[aria-expanded="true"] .hamburger {
  background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ============================================
   Nav Menu
   ============================================ */

.nav-menu {
  position: fixed;
  top: var(--nav-height);
  right: 0;
  width: 280px;
  height: calc(100vh - var(--nav-height));
  background-color: #1A1A2E;
  transform: translateX(100%);
  transition: transform var(--transition-medium);
  overflow-y: auto;
  z-index: 999;
}

.nav-menu--open {
  transform: translateX(0);
}

.nav-list {
  list-style: none;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.nav-list a {
  display: block;
  padding: var(--space-xs) var(--space-sm);
  color: #FFFFFF;
  text-decoration: none;
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  border-radius: 4px;
  transition: color var(--transition-medium), background-color var(--transition-medium);
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: #FF6B99; /* 6.35:1 on dark header */
  background-color: rgba(255, 255, 255, 0.08);
}

.nav-list a.active {
  color: #FF6B99;
  font-weight: 600;
}

/* Desktop nav (≥768px) */
@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }

  .nav-menu {
    position: static;
    width: auto;
    height: auto;
    background-color: transparent;
    transform: none;
    transition: none;
    overflow: visible;
  }

  .nav-list {
    flex-direction: row;
    padding: 0;
    gap: var(--space-xs);
  }

  .nav-list a {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.9rem;
  }
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 70vh;
  padding: var(--space-xl) var(--space-sm);
  background-color: var(--color-dark);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  /* Dark scrim so white hero text clears WCAG AA over every gradient,
     including the yellow-midpoint gradients. White on ~#1A1A2E @0.55 ≈ 15.96:1. */
  background: linear-gradient(
    135deg,
    rgba(26, 26, 46, 0.62) 0%,
    rgba(26, 26, 46, 0.55) 100%
  );
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  color: var(--color-on-dark);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-sm);
  color: var(--color-on-dark);
}

.hero__subtitle {
  font-family: var(--font-body);
  font-size: var(--font-size-lg);
  /* Solid white so the subtitle matches the h1's recorded worst case over the
     yellow-endpoint scrim (white on ~#FFD23F @0.55 ≈ 5.03:1), clearing the
     4.5:1 body-text threshold. The prior 0.85 opacity dropped it to 4.15:1. */
  color: #FFFFFF;
  margin-bottom: var(--space-md);
  line-height: 1.5;
}

@media (min-width: 768px) {
  .hero {
    min-height: 80vh;
    padding: var(--space-xl) var(--space-md);
  }

  .hero__title {
    font-size: var(--font-size-3xl);
  }

  .hero__subtitle {
    font-size: var(--font-size-xl);
  }
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-family: var(--font-heading);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border-radius: 50px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-medium),
              box-shadow var(--transition-medium),
              background-color var(--transition-medium),
              color var(--transition-medium),
              border-color var(--transition-medium);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.btn:active {
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.btn--primary {
  background-color: var(--btn-primary-bg);
  color: #FFFFFF;
  border-color: var(--btn-primary-bg);
}

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

.btn--secondary {
  background-color: transparent;
  color: var(--color-link);
  border-color: var(--color-link);
}

/* Default (light mode) link colours are dark enough that white hover text clears AA:
   brand #6C2BD9 = 7.03:1, ocean #0E7490 = 5.36:1, sunset #B4530A = 5.02:1. */
.btn--secondary:hover {
  background-color: var(--color-link);
  color: var(--btn-secondary-hover-fg, #FFFFFF);
}

/* Secondary action sitting on a dark/coloured band (e.g. the purple CTA
   sections). White outline/text in both modes; fills white with navy text on
   hover. White on #6C2BD9 band = 7.03:1; navy #1A1A2E on white hover = 17.06:1. */
.btn--secondary.btn--on-dark {
  color: #FFFFFF;
  border-color: #FFFFFF;
  background-color: transparent;
}

.btn--secondary.btn--on-dark:hover {
  background-color: #FFFFFF;
  color: #1A1A2E;
}

/* ============================================
   Service Cards
   ============================================ */

.service-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-surface);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

.service-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.service-card__title {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-heading);
  padding: var(--space-sm) var(--space-sm) 0;
}

.service-card__desc {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  padding: var(--space-xs) var(--space-sm);
  flex: 1;
  line-height: 1.6;
}

.service-card .btn {
  margin: var(--space-sm);
  align-self: flex-start;
}

/* ============================================
   Pricing Cards
   ============================================ */

.pricing-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background-color: var(--color-surface);
  border-radius: 16px;
  padding: var(--space-md);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  border: 2px solid transparent;
  transition: transform var(--transition-medium),
              box-shadow var(--transition-medium),
              border-color var(--transition-medium);
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(108, 43, 217, 0.15);
  border-color: var(--color-secondary);
}

.pricing-card__name {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--space-xs);
}

.pricing-card__price {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-link);
  margin-bottom: var(--space-sm);
}

.pricing-card__features {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-md);
  width: 100%;
}

.pricing-card__features li {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  color: var(--color-text);
  padding: var(--space-xs) 0;
  border-bottom: 1px solid rgba(128, 128, 128, 0.18);
}

.pricing-card__features li:last-child {
  border-bottom: none;
}

/* ============================================
   Counters
   ============================================ */

.counter {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-md);
}

.counter__value {
  font-family: var(--font-heading);
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.counter__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-xs);
  display: block;
}

.counter__label {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  color: var(--color-muted);
  font-weight: 500;
}

@media (min-width: 768px) {
  .counter__value {
    font-size: var(--font-size-3xl);
  }
}

/* ============================================
   Footer (Improved)
   ============================================ */

.site-footer {
  /* Footer is a dark panel in both modes by design — pin to literals. */
  background-color: #1A1A2E;
  color: #FFFFFF;
  padding: var(--space-xl) var(--space-sm) var(--space-md);
}

.site-footer__content {
  max-width: var(--max-width);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.site-footer__brand .logo {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: #FF6B99; /* 4.9:1 on dark footer */
  text-decoration: none;
}

.site-footer__tagline {
  color: #C7CBD3; /* light grey on dark footer — ~10:1 */
  font-size: 0.9rem;
  margin-top: var(--space-xs);
}

.site-footer__nav h2,
.site-footer__social-wrapper h2 {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.site-footer__nav ul {
  list-style: none;
  padding: 0;
}

.site-footer__nav li {
  margin-bottom: var(--space-xs);
}

.site-footer__nav a {
  color: #C7CBD3; /* ~10:1 on dark footer */
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-medium);
}

.site-footer__nav a:hover {
  color: #FF6B99;
}

.site-footer__social {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  list-style: none;
  padding: 0;
}

.site-footer__social a {
  color: #C7CBD3; /* ~10:1 on dark footer */
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-medium);
}

.site-footer__social a:hover {
  color: var(--color-accent);
}

.site-footer__bottom {
  max-width: var(--max-width);
  margin-inline: auto;
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.site-footer__copyright {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: #C7CBD3; /* ~10:1 on dark footer */
}

@media (min-width: 768px) {
  .site-footer__content {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

/* ============================================
   Back to Top Button
   ============================================ */

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-on-dark);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  box-shadow: 0 4px 12px rgba(255, 51, 102, 0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition-medium), visibility var(--transition-medium), transform var(--transition-medium), background-color var(--transition-medium);
  z-index: 900;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--color-secondary);
  transform: translateY(-3px);
}

/* ============================================
   Testimonials
   ============================================ */

.testimonial {
  background-color: var(--color-surface);
  border-radius: 12px;
  padding: var(--space-md);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  border-left: 4px solid var(--color-link);
  text-align: left;
}

.testimonial__text {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  color: var(--color-text);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: var(--space-sm);
}

.testimonial__cite {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-link);
  font-style: normal;
}

/* ============================================
   Contact Card
   ============================================ */

.contact-card {
  max-width: 600px;
  margin-inline: auto;
  background-color: var(--color-surface);
  border-radius: 16px;
  padding: var(--space-lg) var(--space-md);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.contact-card h2 {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-heading);
}

.contact-card__group {
  margin-bottom: var(--space-md);
}

.contact-card__group:last-child {
  margin-bottom: 0;
}

.contact-card__label {
  font-family: var(--font-heading);
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-card__value {
  font-family: var(--font-body);
  font-size: var(--font-size-lg);
  color: var(--color-link);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-medium);
}

.contact-card__value:hover {
  color: var(--btn-primary-bg);
}

/* ============================================
   Theme toggle (light / dark + accent picker)
   ============================================ */

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  margin-left: auto;
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50px;
}

.theme-toggle__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  font-size: 1rem;
  line-height: 1;
  border-radius: 50px;
  color: rgba(255, 255, 255, 0.7);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.theme-toggle__btn:hover {
  color: #FFFFFF;
}

/* Active mode — 3:1+ UI contrast against the dark header */
.theme-toggle__btn[aria-pressed="true"] {
  background-color: #FFFFFF;
  color: #1A1A2E;
}

.theme-toggle__accent {
  margin-left: 4px;
  max-width: 7.5rem;
  padding: 0.25rem 0.4rem;
  font-size: 0.8rem;
  color: #FFFFFF;
  /* Opaque border so the control boundary clears the 3:1 non-text contrast
     threshold (WCAG 1.4.11) against the fixed #1A1A2E header: border #7A7A8C =
     4.05:1. The prior translucent 25% white border rendered at 2.26:1 and
     failed. White option/value text on the #41415A fill is 9.87:1. */
  background-color: #41415A;
  border: 1px solid #7A7A8C;
  border-radius: 6px;
}

.theme-toggle__accent option {
  color: #1A1A2E;
}

/* Keep the toggle beside the logo on desktop, not pushed by the static nav. */
@media (min-width: 768px) {
  .theme-toggle {
    margin-left: 0;
    order: 3;
  }
}

/* ============================================
   Utility classes
   ============================================ */

.prose {
  max-width: 800px;
  margin-inline: auto;
  line-height: 1.8;
}

.lede {
  font-size: var(--font-size-lg);
  color: var(--color-text);
}

/* ============================================
   Contact form (contact.html)
   ============================================ */

.enquiry-form {
  max-width: 600px;
  margin-inline: auto;
  margin-top: var(--space-md);
  text-align: left;
  display: grid;
  gap: var(--space-sm);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-field label {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-heading);
}

.form-field .form-req {
  color: var(--btn-primary-bg);
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1px solid var(--color-text-muted);
  border-radius: 8px;
}

.form-field textarea {
  min-height: 7rem;
  resize: vertical;
}

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

.form-field__error {
  font-size: 0.85rem;
  color: #B3261E; /* light mode error — 5.9:1 on white */
  min-height: 1em;
}

[data-theme="dark"] .form-field__error {
  color: #FF8A80; /* dark mode error — 7.4:1 on #12121F */
}

.form-status {
  min-height: 1.5em;
  font-size: var(--font-size-base);
  font-weight: 500;
  transition: opacity var(--transition-medium);
}

.form-status--success {
  color: var(--color-link);
}

.form-status--error {
  color: #B3261E;
}

[data-theme="dark"] .form-status--error {
  color: #FF8A80;
}

/* ============================================
   Reduced motion — gate the new transitions
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  body,
  .theme-toggle__btn,
  .form-status {
    transition: none;
  }
}