/* 
 * ==============================================================================
 * شركة أساس للمقاولات العامة | ASAS Construction
 * ملف: css/components.css
 * الفئة: Corporate Trust (مكونات الواجهة الموحدة)
 * ==============================================================================
 */

/* ==========================================================================
   أ) Site Header & Nav
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  height: var(--header-height);
  z-index: 100;
  background-color: var(--navy);
  border-bottom: 2px solid var(--gold);
  display: flex;
  align-items: center;
  transition: background-color var(--duration-hover) var(--ease-out-expo);
}

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

.logo {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  font-family: var(--font-arabic);
  font-size: 1.625rem;
  font-weight: 900;
  color: var(--paper);
  line-height: 1;
}

.logo span {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.site-links {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 2.5vw, 2rem);
}

.site-link {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  color: rgba(244, 243, 240, 0.85);
  position: relative;
  padding-block: 0.5rem;
  transition: color var(--duration-hover) var(--ease-out-expo);
}

.site-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 0;
  height: 2px;
  background-color: var(--gold);
  transition: width var(--duration-hover) var(--ease-out-expo);
}

.site-link:hover,
.site-link.is-active {
  color: var(--paper);
}

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

.site-cta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
  background-color: var(--gold);
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--gold);
  transition: all var(--duration-hover) var(--ease-out-expo);
}

.site-cta:hover {
  background-color: var(--gold-light);
  border-color: var(--gold-light);
}

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

.mobile-toggle-line {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2px;
  background-color: var(--gold);
  transition: transform var(--duration-hover) var(--ease-out-expo),
              top var(--duration-hover) var(--ease-out-expo);
}

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

.mobile-toggle-line:last-child {
  top: 26px;
}

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

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

.mobile-menu-link {
  display: block;
  padding-block: 1.25rem;
  border-bottom: 1px solid rgba(244, 243, 240, 0.1);
  font-family: var(--font-arabic);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--paper);
  transition: color var(--duration-hover) var(--ease-out-expo),
              padding-right var(--duration-hover) var(--ease-out-expo);
}

.mobile-menu-link:hover,
.mobile-menu-link.is-active {
  color: var(--gold);
  padding-right: var(--space-sm);
}

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

@media (max-width: 1024px) {
  .site-links,
  .site-cta {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
}

/* ==========================================================================
   ب) الأزرار (Buttons)
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 1rem 2rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--navy);
  background-color: transparent;
  color: var(--navy);
  cursor: pointer;
  transition: all var(--duration-hover) var(--ease-out-expo);
}

.btn-primary {
  background-color: var(--navy);
  color: var(--paper);
}

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

.btn-outline:hover {
  background-color: var(--navy);
  color: var(--paper);
}

.btn-gold {
  background-color: var(--gold);
  color: var(--navy);
  border-color: var(--gold);
}

.btn-gold:hover {
  background-color: var(--navy);
  color: var(--gold);
  border-color: var(--navy);
}

.btn-large {
  padding: 1.25rem 2.5rem;
  font-size: 0.8125rem;
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
  padding-bottom: 4px;
  border-bottom: 2px solid var(--gold);
  transition: color var(--duration-hover) var(--ease-out-expo),
              border-color var(--duration-hover) var(--ease-out-expo);
}

.btn-link:hover {
  color: var(--gold);
  border-bottom-color: var(--navy);
}

/* ==========================================================================
   ج) البطاقات (Cards)
   ========================================================================== */

.project-card {
  display: block;
  position: relative;
  background-color: var(--paper);
  border: 1px solid var(--line-strong);
  transition: border-color var(--duration-hover) var(--ease-out-expo),
              transform var(--duration-hover) var(--ease-out-expo);
}

.project-card:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.project-card-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--sand);
  border-bottom: 1px solid var(--line-strong);
}

.project-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: var(--image-filter);
  transition: transform 800ms var(--ease-out-expo);
}

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

.project-card-content {
  padding: var(--space-lg);
}

.project-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--line-thin);
}

.project-card-category {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
}

.project-card-year {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  font-weight: 500;
  color: var(--mist);
}

.project-card-title {
  font-family: var(--font-arabic);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--navy);
  margin-bottom: var(--space-xs);
}

.project-card-location {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 400;
  color: var(--graphite);
}

/* Service Card (Corporate Trust) */
.service-card {
  display: block;
  position: relative;
  padding: clamp(1.75rem, 3vw, 2.5rem);
  border-inline-end: 1px solid var(--line-strong);
  background-color: transparent;
  min-height: 320px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: background-color var(--duration-hover) var(--ease-out-expo);
}

.service-card:last-child {
  border-inline-end: none;
}

.service-card:hover {
  background-color: var(--sand);
}

.service-card-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.15em;
  margin-bottom: auto;
}

.service-card-title {
  font-family: var(--font-arabic);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--navy);
  margin-block: var(--space-lg) var(--space-md);
  line-height: 1.3;
}

.service-card-desc {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 400;
  color: var(--graphite);
  line-height: var(--lh-body);
}

.service-card-arrow {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--gold);
  margin-top: var(--space-lg);
  transition: transform var(--duration-hover) var(--ease-out-expo);
}

.service-card:hover .service-card-arrow {
  transform: translateX(-8px);
}

/* Stat Cell (Corporate Trust) */
.stat-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-sm);
}

.stat-cell .stat-number {
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: var(--navy);
  margin-bottom: var(--space-xs);
}

.stat-cell .stat-label {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
}

/* Team Member */
.team-member {
  text-align: center;
}

.team-member img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  margin-inline: auto;
  border: 1px solid var(--line-strong);
  filter: grayscale(0.4) var(--image-filter);
  transition: filter var(--duration-hover) var(--ease-out-expo),
              transform var(--duration-hover) var(--ease-out-expo);
}

.team-member:hover img {
  filter: grayscale(0) var(--image-filter);
  transform: translateY(-2px);
}

.team-member-name {
  font-family: var(--font-arabic);
  font-size: 1.125rem;
  font-weight: 700;
  margin-top: var(--space-md);
  color: var(--navy);
}

.team-member-role {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--graphite);
  margin-top: var(--space-xs);
  display: block;
}

/* Certification Card */
.cert-card {
  padding: var(--space-xl);
  border: 1px solid var(--line-strong);
  background-color: transparent;
  transition: border-color var(--duration-hover) var(--ease-out-expo);
}

.cert-card:hover {
  border-color: var(--gold);
}

.cert-card-title {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--navy);
  margin-bottom: var(--space-sm);
}

.cert-card-desc {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 400;
  color: var(--graphite);
  line-height: var(--lh-body);
}

/* ==========================================================================
   د) Filter Bar
   ========================================================================== */

.filter-bar {
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 1.5vw, 1rem);
  flex-wrap: wrap;
  padding-block: var(--space-md);
  border-block: 1px solid var(--line-strong);
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.5rem 1rem;
  background-color: transparent;
  color: var(--graphite);
  border: 1px solid var(--line-strong);
  cursor: pointer;
  transition: all var(--duration-hover) var(--ease-out-expo);
}

.filter-btn:hover {
  color: var(--navy);
  border-color: var(--navy);
}

.filter-btn.is-active {
  color: var(--paper);
  background-color: var(--navy);
  border-color: var(--navy);
}

.filter-count {
  margin-inline-start: auto;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  font-weight: 700;
  color: var(--mist);
}

/* ==========================================================================
   هـ) Lightbox
   ========================================================================== */

.lightbox {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 34, 0.96);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-hover) var(--ease-out-expo);
  padding: 2rem;
}

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

.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 2rem;
  left: 2rem;
  width: 48px;
  height: 48px;
  border: 1px solid var(--gold);
  color: var(--gold);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  transition: all var(--duration-hover) var(--ease-out-expo);
}

.lightbox-close:hover {
  background-color: var(--gold);
  color: var(--navy);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 56px;
  height: 56px;
  border: 1px solid var(--gold);
  color: var(--gold);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.25rem;
  transition: all var(--duration-hover) var(--ease-out-expo);
}

.lightbox-nav:hover {
  background-color: var(--gold);
  color: var(--navy);
}

.lightbox-prev {
  right: 2rem;
}

.lightbox-next {
  left: 2rem;
}

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

/* ==========================================================================
   و) Forms
   ========================================================================== */

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

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--graphite);
  margin-bottom: 0.75rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.875rem 1rem;
  background-color: var(--paper);
  border: 1px solid var(--line-strong);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  transition: border-color var(--duration-hover) var(--ease-out-expo);
}

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

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

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

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

.form-feedback.is-success {
  border-color: var(--gold);
  background-color: var(--sand);
  color: var(--navy);
}

.form-error {
  color: #B91C1C;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  margin-top: 0.4rem;
  display: block;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   ز) Footer
   ========================================================================== */

.site-footer {
  background-color: var(--navy);
  color: var(--paper);
  padding-block: clamp(4rem, 8vw, 6rem) var(--space-lg);
  border-top: 2px solid var(--gold);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid rgba(244, 243, 240, 0.15);
}

.footer-brand {
  font-family: var(--font-arabic);
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--paper);
  margin-bottom: var(--space-md);
  display: block;
}

.footer-tagline {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 400;
  color: rgba(244, 243, 240, 0.7);
  line-height: var(--lh-body);
  max-width: 36ch;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: var(--space-md);
}

.footer-col a,
.footer-col p {
  color: rgba(244, 243, 240, 0.7);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 400;
  margin-bottom: 0.625rem;
  display: block;
  transition: color var(--duration-hover) var(--ease-out-expo);
  line-height: 1.5;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
  padding-top: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: rgba(244, 243, 240, 0.5);
  text-transform: uppercase;
}

.footer-bottom a {
  color: rgba(244, 243, 240, 0.5);
  transition: color var(--duration-hover) var(--ease-out-expo);
}

.footer-bottom a:hover {
  color: var(--gold);
}

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

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}

/* ==========================================================================
   ح) عناصر مساعدة (Helper Elements)
   ========================================================================== */

.cta-section {
  text-align: center;
  padding-block: clamp(4rem, 8vw, 6rem);
}

.cta-title {
  font-family: var(--font-arabic);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--navy);
  margin-bottom: var(--space-lg);
  max-width: 22ch;
  margin-inline: auto;
}

.cta-subtitle {
  font-family: var(--font-body);
  font-size: var(--fs-lead);
  font-weight: 400;
  color: var(--graphite);
  margin-bottom: var(--space-xl);
  max-width: 55ch;
  margin-inline: auto;
  line-height: 1.7;
}

/* WhatsApp Float (الوحيد بحواف دائرية) */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background-color: var(--navy);
  color: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 90;
  transition: all var(--duration-hover) var(--ease-out-expo);
  border: 1px solid var(--navy);
}

.whatsapp-float:hover {
  background-color: var(--gold);
  border-color: var(--gold);
  color: var(--navy);
  transform: translateY(-3px);
}

.whatsapp-float svg {
  width: 24px;
  height: 24px;
}

@media (max-width: 600px) {
  .whatsapp-float {
    bottom: 1.5rem;
    left: 1.5rem;
    width: 48px;
    height: 48px;
  }
}

/* Dividers */
.divider {
  width: 100%;
  height: 1px;
  background-color: var(--line);
  margin-block: var(--space-2xl);
}

.divider-gold {
  width: 60px;
  height: 2px;
  background-color: var(--gold);
  margin-block: var(--space-xl);
}

.divider-gold--center {
  margin-inline: auto;
}