/* ==========================================================================
   رِواق | RIWAQ — css/components.css
   المكونات المعمارية والواجهات التحريرية: الملاحة، الأزرار، الكروت، والمعارض
   ========================================================================== */

/* --------------------------------------------------------------------------
   شريط التنقل العلوي (.site-nav)
   -------------------------------------------------------------------------- */

.site-nav {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  height: var(--header-height);
  background-color: var(--bg-primary);
  border-bottom: 1px solid transparent;
  z-index: 100;
  display: flex;
  align-items: center;
  transition: border-color var(--duration-hover) var(--ease-editorial),
              background-color var(--duration-hover) var(--ease-editorial);
}

.site-nav.is-scrolled {
  border-bottom-color: var(--border-subtle);
}

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

.site-logo {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  line-height: 1;
}

.site-logo .logo-latin {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.15em;
  color: var(--accent-warm);
}

.site-links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2rem);
}

.site-link {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: var(--fw-normal);
  color: var(--text-secondary);
  position: relative;
  padding-block: 0.35rem;
  transition: color var(--duration-hover) var(--ease-editorial);
}

.site-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--accent-warm);
  transition: width var(--duration-hover) var(--ease-editorial);
}

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

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

.site-link.is-active {
  color: var(--accent-warm);
}

.site-cta {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-warm);
  border: 1px solid var(--accent-warm);
  padding: 0.5rem 1.25rem;
  border-radius: 2px;
  position: relative;
  overflow: hidden;
  transition: color var(--duration-hover) var(--ease-editorial),
              background-color var(--duration-hover) var(--ease-editorial);
}

.site-cta:hover {
  background-color: var(--accent-warm);
  color: var(--bg-primary);
}

/* --------------------------------------------------------------------------
   زر القائمة وشاشة الجوال (.mobile-toggle & .mobile-menu)
   -------------------------------------------------------------------------- */

.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  position: relative;
  cursor: pointer;
  z-index: 105;
}

.mobile-toggle-line {
  position: absolute;
  left: 8px;
  right: 8px;
  height: 1.5px;
  background-color: var(--text-primary);
  transition: transform var(--duration-hover) var(--ease-editorial),
              top var(--duration-hover) var(--ease-editorial);
}

.mobile-toggle-line:first-child {
  top: 17px;
}

.mobile-toggle-line:last-child {
  top: 25px;
}

.mobile-toggle.is-open .mobile-toggle-line:first-child {
  top: 21px;
  transform: rotate(45deg);
}

.mobile-toggle.is-open .mobile-toggle-line:last-child {
  top: 21px;
  transform: rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  inset: 0;
  top: var(--header-height);
  background-color: var(--bg-primary);
  z-index: 99;
  display: none;
  flex-direction: column;
  padding: clamp(2rem, 5vw, 3rem);
  border-top: 1px solid var(--border-subtle);
  overflow-y: auto;
}

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

.mobile-menu-link {
  display: block;
  padding-block: 1rem;
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-subheading);
  font-size: 1.25rem;
  font-weight: var(--fw-medium);
  color: var(--text-primary);
  transition: color var(--duration-hover) var(--ease-editorial);
}

.mobile-menu-link:hover,
.mobile-menu-link.is-active {
  color: var(--accent-warm);
}

.mobile-menu-cta {
  margin-top: 2rem;
  text-align: center;
}

@media (max-width: 900px) {
  .site-links,
  .site-cta {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }
}

/* --------------------------------------------------------------------------
   الأزرار التحريرية (.btn)
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  cursor: pointer;
  transition: color var(--duration-hover) var(--ease-editorial),
              border-color var(--duration-hover) var(--ease-editorial),
              background-color var(--duration-hover) var(--ease-editorial);
}

.btn-primary {
  border: 1px solid var(--accent-warm);
  color: var(--accent-warm);
  background-color: transparent;
}

.btn-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background-color: var(--accent-warm);
  transform: translateY(100%);
  transition: transform var(--duration-hover) var(--ease-editorial);
  z-index: 0;
}

.btn-primary > span,
.btn-primary > svg {
  position: relative;
  z-index: 1;
}

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

.btn-primary:hover::before {
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  border: 1px solid var(--text-primary);
}

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

.btn-large {
  padding: 1.125rem 2.5rem;
  font-size: 0.875rem;
}

/* --------------------------------------------------------------------------
   البطاقات التحريرية الهادئة (.editorial-card)
   -------------------------------------------------------------------------- */

.editorial-card {
  background-color: transparent;
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--space-md);
  transition: border-color var(--duration-hover) var(--ease-editorial);
}

.editorial-card:hover {
  border-top-color: var(--accent-warm);
}

.editorial-card-num {
  font-family: var(--font-numeric);
  font-size: 2rem;
  font-weight: var(--fw-medium);
  line-height: 1;
  color: var(--accent-warm);
  display: block;
  margin-bottom: var(--space-xs);
}

.editorial-card-title {
  font-family: var(--font-subheading);
  font-size: 1.25rem;
  font-weight: var(--fw-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.editorial-card-desc {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: var(--lh-body);
}

/* --------------------------------------------------------------------------
   بطاقات المشاريع المعمارية (.project-card)
   -------------------------------------------------------------------------- */

.project-card {
  display: block;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-secondary);
}

.project-card-media {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  position: relative;
  width: 100%;
}

.project-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: var(--image-filter);
  transition: transform 700ms var(--ease-editorial);
}

.project-card:hover .project-card-img {
  transform: scale(1.03);
}

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26, 24, 21, 0.75) 0%, rgba(26, 24, 21, 0) 65%);
  pointer-events: none;
}

.project-card-content {
  position: absolute;
  bottom: 0;
  right: 0;
  left: 0;
  padding: clamp(1.25rem, 3vw, 2rem);
  color: var(--text-inverse);
  z-index: 2;
}

.project-card-category {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-warm);
  display: block;
  margin-bottom: 0.25rem;
}

.project-card-title {
  font-family: var(--font-subheading);
  font-size: 1.25rem;
  font-weight: var(--fw-medium);
  line-height: 1.35;
  color: var(--text-inverse);
}

/* --------------------------------------------------------------------------
   شريط تصفية الأرشيف (.filter-bar)
   -------------------------------------------------------------------------- */

.filter-bar {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.5rem);
  flex-wrap: wrap;
  padding-block: 1.25rem;
  border-block: 1px solid var(--border-subtle);
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding-block: 0.5rem;
  background: transparent;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  position: relative;
  cursor: pointer;
  transition: color var(--duration-hover) var(--ease-editorial),
              border-color var(--duration-hover) var(--ease-editorial);
}

.filter-btn:hover {
  color: var(--text-primary);
}

.filter-btn.is-active {
  color: var(--accent-warm);
  border-bottom-color: var(--accent-warm);
}

.filter-count {
  margin-inline-start: auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   عارض الصور التحريري المكبر (.editorial-lightbox)
   -------------------------------------------------------------------------- */

.editorial-lightbox {
  position: fixed;
  inset: 0;
  background-color: rgba(26, 24, 21, 0.96);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 350ms var(--ease-editorial);
  padding: 2rem;
}

.editorial-lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.editorial-lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

.editorial-lightbox-close {
  position: absolute;
  top: 2rem;
  left: 2rem;
  width: 44px;
  height: 44px;
  border: 1px solid var(--accent-warm);
  color: var(--accent-warm);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  transition: background-color var(--duration-hover) var(--ease-editorial),
              color var(--duration-hover) var(--ease-editorial);
}

.editorial-lightbox-close:hover {
  background-color: var(--accent-warm);
  color: var(--bg-accent);
}

.editorial-lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border: 1px solid var(--accent-warm);
  color: var(--accent-warm);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 2px;
  transition: background-color var(--duration-hover) var(--ease-editorial),
              color var(--duration-hover) var(--ease-editorial);
}

.editorial-lightbox-nav:hover {
  background-color: var(--accent-warm);
  color: var(--bg-accent);
}

.editorial-lightbox-prev {
  right: 2rem;
}

.editorial-lightbox-next {
  left: 2rem;
}

@media (max-width: 600px) {
  .editorial-lightbox-close {
    top: 1rem;
    left: 1rem;
  }
  .editorial-lightbox-prev {
    right: 0.5rem;
  }
  .editorial-lightbox-next {
    left: 0.5rem;
  }
}

/* --------------------------------------------------------------------------
   سلايدر المقارنة المعماري Before/After (.split-slider)
   -------------------------------------------------------------------------- */

.split-slider {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  cursor: ew-resize;
  user-select: none;
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-secondary);
}

.split-slider-before,
.split-slider-after {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.split-slider-after {
  clip-path: inset(0 0 0 50%);
}

.split-slider img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.split-slider-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  right: 50%;
  width: 2px;
  background-color: var(--accent-warm);
  transform: translateX(50%);
  cursor: ew-resize;
  z-index: 5;
}

.split-slider-handle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--bg-primary);
  border: 2px solid var(--accent-warm);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.split-slider-label {
  position: absolute;
  bottom: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-warm);
  background-color: rgba(26, 24, 21, 0.7);
  padding: 0.4rem 0.8rem;
  z-index: 4;
}

.split-slider-label-before {
  right: 1.5rem;
}

.split-slider-label-after {
  left: 1.5rem;
}

/* --------------------------------------------------------------------------
   الأكورديون التحريري النقي (.accordion-item)
   -------------------------------------------------------------------------- */

.accordion-item {
  border-bottom: 1px solid var(--border-subtle);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  font-family: var(--font-subheading);
  font-size: 1.25rem;
  font-weight: var(--fw-medium);
  background: transparent;
  color: var(--text-primary);
  text-align: right;
  cursor: pointer;
  transition: color var(--duration-hover) var(--ease-editorial);
}

.accordion-trigger:hover {
  color: var(--accent-warm);
}

.accordion-icon {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--accent-warm);
  transition: transform 400ms var(--ease-editorial);
  display: inline-block;
  line-height: 1;
}

.accordion-item.is-open .accordion-icon {
  transform: rotate(45deg);
}

.accordion-content {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 400ms var(--ease-editorial);
}

.accordion-item.is-open .accordion-content {
  grid-template-rows: 1fr;
}

.accordion-content > div {
  overflow: hidden;
}

.accordion-body {
  padding-bottom: 1.5rem;
  color: var(--text-secondary);
  line-height: 1.85;
  font-family: var(--font-body);
}

/* --------------------------------------------------------------------------
   حقول ونماذج المراسلة المعمارية (.form-group)
   -------------------------------------------------------------------------- */

.form-group {
  margin-bottom: var(--space-lg);
  position: relative;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding-block: 0.75rem;
  background-color: transparent;
  border: 0;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  border-radius: 0;
  transition: border-color var(--duration-hover) var(--ease-editorial);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-bottom-color: var(--accent-warm);
  outline: none;
}

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

.form-feedback {
  margin-top: 1.5rem;
  padding: 1rem;
  border: 1px solid var(--border-subtle);
  display: none;
  font-family: var(--font-body);
  font-size: 0.9375rem;
}

.form-feedback:not(:empty) {
  display: block;
}

.form-feedback.is-success {
  border-color: var(--accent-warm);
  color: var(--text-primary);
  background-color: var(--bg-secondary);
}

/* --------------------------------------------------------------------------
   حاسبة التكلفة التقديرية (.cost-estimator)
   -------------------------------------------------------------------------- */

.cost-estimator {
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--space-xl);
}

.estimator-field {
  margin-bottom: var(--space-lg);
}

.estimator-field label {
  display: block;
  font-family: var(--font-subheading);
  font-size: 1rem;
  font-weight: var(--fw-medium);
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.estimator-field input[type="range"] {
  width: 100%;
  accent-color: var(--accent-warm);
  cursor: pointer;
  height: 4px;
}

.estimator-range-display {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-xs);
  font-family: var(--font-numeric);
  font-size: 1rem;
  color: var(--text-secondary);
}

.estimator-result {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
}

.estimator-total {
  font-family: var(--font-numeric);
  font-size: var(--fs-numeric-display);
  font-weight: var(--fw-medium);
  color: var(--accent-warm);
  line-height: var(--lh-tight);
}

.estimator-duration {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}

/* --------------------------------------------------------------------------
   تذييل الصفحة التحريري (.site-footer)
   -------------------------------------------------------------------------- */

.site-footer {
  background-color: var(--bg-accent);
  color: var(--text-inverse);
  padding-block: clamp(4rem, 8vw, 6rem);
  position: relative;
  overflow: hidden;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem);
  position: relative;
  z-index: 2;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-warm);
  margin-bottom: 1.25rem;
}

.footer-col a,
.footer-col p {
  color: rgba(245, 241, 234, 0.75);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  margin-bottom: 0.5rem;
  display: block;
  transition: color var(--duration-hover) var(--ease-editorial);
}

.footer-col a:hover {
  color: var(--accent-warm);
}

.footer-marquee-line {
  padding-block: var(--space-md);
  border-block: 1px solid var(--border-inverse);
  margin-block: var(--space-xl);
  overflow: hidden;
  white-space: nowrap;
}

.footer-marquee-inner {
  display: inline-block;
  animation: marqueeH 40s linear infinite;
  font-family: var(--font-subheading);
  font-size: 0.9375rem;
  color: rgba(245, 241, 234, 0.5);
}

/* TODO: verify RTL direction visually — may need to flip to -50% → 0 */
@keyframes marqueeH {
  0% { transform: translateX(0%); }
  100% { transform: translateX(50%); }
}

.footer-watermark {
  font-family: var(--font-numeric);
  font-size: clamp(6rem, 18vw, 16rem);
  font-style: italic;
  color: var(--accent-warm);
  opacity: 0.05;
  text-align: center;
  line-height: 0.8;
  user-select: none;
  pointer-events: none;
  margin-block: var(--space-md);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-inverse);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   الأدوات التحريرية الزخرفية (Editorial Accents)
   -------------------------------------------------------------------------- */

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-clay);
  margin-bottom: 1rem;
  display: inline-block;
}

.divider {
  width: 60px;
  height: 1px;
  background-color: var(--accent-warm);
  margin-block: 2rem;
}

.editorial-quote {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  line-height: 1.5;
  padding-right: 2rem;
  border-right: 2px solid var(--accent-warm);
  margin-block: 3rem;
  color: var(--text-primary);
}