/* ==========================================================================
   Dr. Hanaa Morjane — Shared UI Components
   ========================================================================== */

/* ==========================================================================
   1. Scroll Progress Bar & Preloader
   ========================================================================== */
.scroll-progress {
  position: fixed;
  top: 0;
  inset-inline: 0;
  height: 3px;
  background: var(--grad-primary);
  transform-origin: left;
  transform: scaleX(0);
  z-index: 10000;
  transition: transform 100ms linear;
}
[dir="rtl"] .scroll-progress {
  transform-origin: right;
}

.preloader {
  position: fixed;
  inset: 0;
  background-color: var(--clr-neutral-50);
  z-index: 20000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: transform 600ms var(--ease-out), opacity 600ms var(--ease-out);
}
.preloader--hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-100%);
}
.preloader__logo {
  width: 80px;
  height: 80px;
  margin-bottom: var(--space-md);
  opacity: 0;
  transform: scale(0.8);
  animation: preloaderLogoFade 1s var(--ease-out) forwards;
}
.preloader__text {
  font-family: var(--ff-heading);
  font-size: var(--fs-h3);
  color: var(--clr-neutral-900);
  margin-bottom: var(--space-xl);
  opacity: 0;
  animation: preloaderTextFade 1s var(--ease-out) 200ms forwards;
}
.preloader__bar {
  width: 150px;
  height: 3px;
  background-color: var(--clr-neutral-200);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}
.preloader__progress {
  position: absolute;
  top: 0;
  inset-inline-start: 0;
  height: 100%;
  width: 0;
  background: var(--grad-primary);
  animation: preloaderFill 1.5s var(--ease-smooth) forwards;
}

@keyframes preloaderLogoFade {
  to { opacity: 1; transform: scale(1); }
}
@keyframes preloaderTextFade {
  to { opacity: 1; }
}
@keyframes preloaderFill {
  to { width: 100%; }
}

/* ==========================================================================
   2. Header & Navigation
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: 1000;
  height: 80px;
  display: flex;
  align-items: center;
  transition: background-color var(--dur-normal) var(--ease-out),
              box-shadow var(--dur-normal) var(--ease-out),
              height var(--dur-normal) var(--ease-out);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}
.header__logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}
.header__logo-text {
  font-family: var(--ff-heading);
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  color: var(--clr-neutral-900);
}
.header__logo-text em {
  font-style: italic;
  color: var(--clr-primary-500);
  font-weight: var(--fw-light);
}

/* Theme states determined by page setting */
[data-nav-theme="dark"] .header {
  color: white;
}
[data-nav-theme="dark"] .header__logo-text {
  color: white;
}
[data-nav-theme="light"] .header {
  color: var(--clr-neutral-800);
}

/* Scrolled state (Glassmorphism) — higher specificity overrides dark/light nav themes */
.header.header--scrolled {
  height: 70px;
  background-color: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  color: var(--clr-neutral-800);
}
.header.header--scrolled .header__logo-text {
  color: var(--clr-neutral-900);
}
.header.header--scrolled .header__link {
  color: var(--clr-neutral-800);
}
.header.header--scrolled .header__lang {
  color: var(--clr-neutral-800);
}

/* Desktop Links */
.header__links {
  display: none;
}
.header__link {
  font-weight: var(--fw-medium);
  font-size: var(--fs-small);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  padding-block: var(--space-xs);
  position: relative;
  transition: all var(--dur-normal) var(--ease-out);
}
.header__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--clr-primary-500);
  transform: scaleX(0);
  transition: transform var(--dur-normal) var(--ease-out);
}
.header__link:hover {
  color: var(--clr-primary-500);
}
.header__link.is-active {
  color: var(--clr-primary-500);
}
.header__link.is-active::after {
  transform: scaleX(1);
}
[data-nav-theme="dark"] .header__link.is-active {
  color: var(--clr-primary-500);
}

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

.header__lang {
  font-weight: var(--fw-bold);
  font-size: var(--fs-small);
  letter-spacing: var(--ls-wide);
  cursor: pointer;
  padding: var(--space-2xs);
  transition: color var(--dur-normal) var(--ease-out);
}
.header__lang:hover {
  color: var(--clr-primary-500);
}
[data-nav-theme="dark"] .header__lang {
  color: var(--clr-primary-500);
}

/* Mobile: compact icon-only circle */
.header__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 50%;
  background: var(--grad-primary);
  color: white;
  box-shadow: 0 2px 8px rgba(181, 37, 110, 0.25);
  transition: transform var(--dur-normal) var(--ease-spring),
              box-shadow var(--dur-normal) var(--ease-out);
  flex-shrink: 0;
}
.header__cta:hover {
  transform: scale(1.08);
  box-shadow: 0 4px 16px rgba(181, 37, 110, 0.35);
}
.header__cta svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
/* Hide text on mobile, show on desktop */
.header__cta-text {
  display: none;
}
[data-nav-theme="dark"] .header__cta {
  background: var(--grad-primary);
  color: white;
}

/* Hamburger toggle */
.header__toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  z-index: 1100;
}
.header__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: currentColor;
  border-radius: var(--radius-full);
  transition: transform var(--dur-normal) var(--ease-out),
              opacity var(--dur-normal) var(--ease-out);
}

/* Hamburger to X */
.header__toggle.is-open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.header__toggle.is-open span:nth-child(2) {
  opacity: 0;
  transform: scale(0);
}
.header__toggle.is-open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Nav overlay */
.header__nav {
  position: fixed;
  inset-block: 0;
  inset-inline-end: 0;
  width: 100%;
  max-width: 400px;
  background-color: var(--clr-dark-bg);
  padding: 120px var(--space-xl) var(--space-xl);
  display: flex;
  flex-direction: column;
  z-index: 1050;
  box-shadow: var(--shadow-xl);
  transform: translateX(100%);
  transition: transform 400ms var(--ease-out);
}
[dir="rtl"] .header__nav {
  transform: translateX(-100%);
}
.header__nav.is-open {
  transform: translateX(0);
}
.header__nav .header__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}
.header__nav .header__link {
  color: var(--clr-dark-text);
  font-size: var(--fs-h3);
  text-transform: none;
  font-family: var(--ff-heading);
}
.header__nav .header__link.is-active {
  border-bottom: none;
  color: var(--clr-primary-400);
}

/* Media query for desktop nav */
@media (min-width: 1024px) {
  .header__links {
    display: flex;
    gap: var(--space-xl);
  }
  .header__toggle {
    display: none;
  }
  .header__cta {
    display: inline-flex;
    width: auto;
    height: auto;
    padding: var(--space-sm) var(--space-xl);
    border-radius: var(--radius-full);
    gap: var(--space-xs);
    font-size: var(--fs-small);
    font-weight: var(--fw-semibold);
    letter-spacing: var(--ls-wide);
  }
  .header__cta-text {
    display: inline;
  }
  .header__nav {
    position: static;
    background: none;
    padding: 0;
    max-width: none;
    width: auto;
    box-shadow: none;
    transform: none !important;
    display: block;
  }
  .header__nav .header__links {
    flex-direction: row;
    gap: var(--space-xl);
  }
  .header__nav .header__link {
    color: inherit;
    font-size: var(--fs-small);
    text-transform: uppercase;
    font-family: var(--ff-body);
  }
}

/* ==========================================================================
   3. Buttons & Badges
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  text-align: center;
  vertical-align: middle;
  user-select: none;
  cursor: pointer;
  transition: all var(--dur-normal) var(--ease-out);
}

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

.btn--primary {
  background: var(--grad-primary);
  color: white;
  padding: var(--space-sm) var(--space-xl);
  border-radius: var(--radius-full);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-small);
  letter-spacing: var(--ls-wide);
  box-shadow: 0 4px 16px rgba(181, 37, 110, 0.25);
  border: 1.5px solid transparent;
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(181, 37, 110, 0.35);
}

.btn--outline {
  background: transparent;
  color: var(--clr-primary-500);
  border: 1.5px solid var(--clr-primary-300);
  padding: var(--space-sm) var(--space-xl);
  border-radius: var(--radius-full);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-small);
}
.btn--outline:hover {
  background: var(--clr-primary-50);
  border-color: var(--clr-primary-500);
}
[data-nav-theme="dark"] .btn--outline:not(:hover) {
  color: white;
  border-color: rgba(255, 255, 255, 0.4);
}

.btn--whatsapp {
  background-color: var(--clr-success);
  color: white;
  padding: var(--space-sm) var(--space-xl);
  border-radius: var(--radius-full);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-small);
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
}
.btn--whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
}

/* Floating WhatsApp FAB */
.whatsapp-fab {
  position: fixed;
  bottom: 24px;
  inset-inline-end: 24px;
  width: 56px;
  height: 56px;
  background-color: var(--clr-success);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  z-index: 1001;
  animation: fabPulse 4s infinite;
  transition: transform var(--dur-normal) var(--ease-spring);
}
.whatsapp-fab:hover {
  transform: scale(1.1);
}
.whatsapp-fab svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}
.whatsapp-fab__tooltip {
  position: absolute;
  inset-inline-end: 70px;
  background-color: var(--clr-neutral-900);
  color: white;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-md);
  font-size: var(--fs-small);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translateX(10px);
  transition: all var(--dur-normal) var(--ease-out);
}
[dir="rtl"] .whatsapp-fab__tooltip {
  transform: translateX(-10px);
}
.whatsapp-fab:hover .whatsapp-fab__tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* Section Badge */
.section-badge {
  display: inline-block;
  font-family: var(--ff-body);
  font-size: var(--fs-badge);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-badge);
  text-transform: uppercase;
  color: var(--clr-primary-500);
  background: var(--clr-primary-50);
  padding: var(--space-2xs) var(--space-md);
  border-radius: var(--radius-full);
  border: 1px solid var(--clr-primary-100);
  margin-bottom: var(--space-lg);
}
.section-badge--hero {
  color: var(--clr-accent-400);
  border-color: rgba(232, 201, 160, 0.3);
  background: rgba(0, 0, 0, 0.2);
}

/* ==========================================================================
   4. Footer
   ========================================================================== */
.footer {
  background-color: var(--clr-dark-bg);
  color: var(--clr-dark-text);
  padding-block: var(--space-4xl) var(--space-xl);
}

.footer__grid {
  margin-bottom: var(--space-3xl);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.footer__logo-text {
  font-family: var(--ff-heading);
  font-size: var(--fs-h2);
  color: white;
}
.footer__logo-text em {
  font-style: italic;
  color: var(--clr-primary-300);
  font-weight: var(--fw-light);
}
.footer__tagline {
  font-size: var(--fs-small);
  color: var(--clr-dark-muted);
  max-width: 250px;
}

.footer__title {
  color: white;
  font-size: var(--fs-h4);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-lg);
  position: relative;
  padding-bottom: var(--space-xs);
}
.footer__title::after {
  content: '';
  position: absolute;
  bottom: 0;
  inset-inline-start: 0;
  width: 30px;
  height: 2px;
  background-color: var(--clr-primary-400);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.footer__link {
  font-size: var(--fs-small);
  color: var(--clr-dark-muted);
  transition: all var(--dur-normal) var(--ease-out);
}
.footer__link:hover {
  color: white;
  padding-inline-start: 4px;
}

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  font-size: var(--fs-small);
  color: var(--clr-dark-muted);
}
.footer__contact-item svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  fill: var(--clr-primary-300);
  margin-top: 3px;
}

.footer__socials {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}
.footer__social {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--clr-dark-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-dark-text);
  border: 1px solid var(--glass-dark-border);
  cursor: pointer;
  transition: all var(--dur-normal) var(--ease-out);
}
.footer__social:hover {
  background-color: var(--clr-primary-500);
  color: white;
  transform: translateY(-2px);
}
.footer__social svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.footer__divider {
  border: 0;
  height: 1px;
  background-color: var(--glass-dark-border);
  margin-bottom: var(--space-xl);
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
  font-size: var(--fs-small);
  color: var(--clr-dark-muted);
}
.footer__designer a {
  color: var(--clr-primary-300);
}
.footer__designer a:hover {
  text-decoration: underline;
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* ==========================================================================
   5. Form Controls
   ========================================================================== */
.form-group {
  margin-bottom: var(--space-lg);
  position: relative;
}

.form-label {
  display: block;
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  margin-bottom: var(--space-xs);
  color: var(--clr-neutral-700);
}

.form-control {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background-color: white;
  border: 1px solid var(--clr-neutral-300);
  border-radius: var(--radius-md);
  font-size: var(--fs-body);
  transition: all var(--dur-normal) var(--ease-out);
  color: var(--clr-neutral-800);
}
.form-control:focus {
  outline: none;
  border-color: var(--clr-primary-500);
  box-shadow: 0 0 0 3px rgba(181, 37, 110, 0.1);
}

.form-control.is-invalid {
  border-color: var(--clr-error);
  background-color: #FFF5F5;
  animation: shake 0.4s ease-in-out;
}

.form-error {
  display: block;
  font-size: var(--fs-small);
  color: var(--clr-error);
  margin-top: var(--space-2xs);
}

.form-success-msg, .form-error-msg {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  font-size: var(--fs-small);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  animation: pageEnter 300ms var(--ease-out);
}
.form-success-msg {
  background-color: var(--clr-success-bg, #E6FFFA);
  border: 1px solid var(--clr-success-border, #B2F5EA);
  color: var(--clr-success-text, #234E52);
}
.form-error-msg {
  background-color: var(--clr-error-bg, #FFF5F5);
  border: 1px solid var(--clr-error-border, #FEB2B2);
  color: var(--clr-error-text, #742A2A);
}

/* ==========================================================================
   6. Lightbox & Media Modal
   ========================================================================== */
.lightbox {
  position: fixed;
  inset: 0;
  background-color: rgba(26, 15, 30, 0.92);
  z-index: 10001;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms var(--ease-out);
}
.lightbox--open {
  opacity: 1;
  pointer-events: auto;
}
.lightbox__close {
  position: absolute;
  top: 24px;
  inset-inline-end: 24px;
  color: white;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  transition: transform var(--dur-normal) var(--ease-spring);
}
.lightbox__close:hover {
  transform: scale(1.1);
}
.lightbox__content {
  max-width: 90vw;
  max-height: 80vh;
  position: relative;
}
.lightbox__img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
}
.lightbox__caption {
  color: white;
  text-align: center;
  margin-top: var(--space-md);
  font-size: var(--fs-small);
  font-family: var(--ff-body);
}
.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: white;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--dur-normal) var(--ease-out);
}
.lightbox__nav:hover {
  background-color: var(--clr-primary-500);
}
.lightbox__nav--prev {
  inset-inline-start: 24px;
}
.lightbox__nav--next {
  inset-inline-end: 24px;
}
.lightbox__nav svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}