/* ==========================================================================
   01. CSS VARIABLES (TOKENS)
   ========================================================================== */
:root {
  /* Brand Colors */
  --color-brand-primary: #0066CC;
  --color-brand-secondary: #005CC8;
  --color-brand-cyan: #4FD8F7;
  --color-brand-cyan-hover: #76E5FB;
  --color-brand-focus: #0077F2;
  --color-brand-soft: rgba(0, 102, 204, 0.1);
  --color-brand-danger: #EF4444;

  /* Backgrounds & Surfaces (Dark Mode Default) */
  --color-bg: #101015;
  --color-surface: #161622;
  --color-surface-raised: #1D1D2C;
  --color-surface-overlay: rgba(16, 16, 21, 0.95);

  /* Typography Colors */
  --color-text: #F0F2F5;
  --color-text-muted: #ADB5BD;
  --color-text-subtle: #8A94A0;

  /* Borders */
  --color-border: rgba(217, 237, 255, 0.1);
  --color-border-hover: rgba(79, 216, 247, 0.3);
  --color-border-active: rgba(79, 216, 247, 0.5);

  /* Gradients */
  --gradient-brand: linear-gradient(135deg, #0066CC 0%, #0077F2 50%, #4FD8F7 100%);
  --gradient-dark: linear-gradient(180deg, #101015 0%, #161622 100%);
  --gradient-shimmer: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.05) 50%, rgba(255,255,255,0) 100%);

  /* Shadows */
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-card-hover: 0 20px 40px -15px rgba(0, 102, 204, 0.25);
  --shadow-overlay: 0 25px 50px -12px rgba(0, 0, 0, 0.7);

  /* Fonts */
  --font-primary: "Noto Sans Arabic", "Inter", sans-serif;
  --font-secondary: "Inter", sans-serif;
  --font-headings: "Alexandria", sans-serif;

  /* Spacing System (4px Base) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Border Radii */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  /* Timing & Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;

  /* Layout Container */
  --container-max: 1200px;
  --container-padding: var(--space-5);
}

/* Light Mode Tokens Override */
[data-theme="light"] {
  --color-bg: #F8F9FA;
  --color-surface: #FFFFFF;
  --color-surface-raised: #F1F3F5;
  --color-surface-overlay: rgba(255, 255, 255, 0.98);
  --color-text: #212529;
  --color-text-muted: #495057;
  --color-text-subtle: #6C757D;
  --color-border: rgba(0, 102, 204, 0.08);
  --color-border-hover: rgba(0, 102, 204, 0.2);
  --color-border-active: rgba(0, 102, 204, 0.4);
  --gradient-dark: linear-gradient(180deg, #F8F9FA 0%, #FFFFFF 100%);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
  --shadow-card-hover: 0 20px 40px -15px rgba(0, 102, 204, 0.12);
  --shadow-overlay: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  --gradient-shimmer: linear-gradient(90deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.03) 50%, rgba(0,0,0,0) 100%);
}

/* ==========================================================================
   02. RESET & BASE STYLES
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

body, h1, h2, h3, p, ul, figure {
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--color-bg);
  background-image: var(--gradient-dark);
  color: var(--color-text);
  font-family: var(--font-primary);
  line-height: 1.8;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color var(--duration-normal) var(--ease-out), color var(--duration-normal) var(--ease-out);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headings);
  font-weight: 700;
  line-height: 1.35;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input {
  font: inherit;
  background: none;
  border: none;
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

[hidden] {
  display: none !important;
}

/* Focus outline helper */
:focus-visible {
  outline: 2px solid var(--color-brand-cyan);
  outline-offset: 4px;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-brand-primary);
  color: #FFF;
  padding: var(--space-2) var(--space-4);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  z-index: 1000;
  transition: top var(--duration-fast);
}

.skip-link:focus {
  top: 0;
}

/* Helper Utilities */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.text-center {
  text-align: center;
}

.gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-family: var(--font-headings);
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out), 
              background-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out);
}

.btn--primary {
  background: var(--gradient-brand);
  color: #FFF;
  box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 102, 204, 0.45);
}

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

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

.btn--secondary:hover {
  background-color: var(--color-surface-raised);
  border-color: var(--color-border-hover);
  transform: translateY(-1px);
}

/* ==========================================================================
   03. HEADER & NAVIGATION
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(16, 16, 21, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--duration-normal);
}

[data-theme="light"] .header {
  background-color: rgba(248, 249, 25A, 0.8);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.header__logo {
  display: flex;
  align-items: center;
}

.logo-img {
  display: block;
  height: clamp(32px, 5vw, 48px);
  width: auto;
  object-fit: contain;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.header__link {
  font-family: var(--font-headings);
  font-weight: 500;
  position: relative;
  padding-block: var(--space-2);
  color: var(--color-text);
  opacity: 0.85;
  transition: opacity var(--duration-fast);
}

.header__link:hover {
  opacity: 1;
}

.header__link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-brand);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duration-normal) var(--ease-out);
}

.header__link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.context-navigation {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 16px;
  color: var(--color-brand-cyan);
  background: rgba(79, 216, 247, 0.04);
  border: 1px solid rgba(79, 216, 247, 0.28);
  border-radius: 14px;
  font-weight: 600;
  text-decoration: none;
  font-family: var(--font-headings);
  font-size: 0.85rem;
  transition:
    transform 180ms var(--ease-out),
    color 180ms var(--ease-out),
    background-color 180ms var(--ease-out),
    border-color 180ms var(--ease-out),
    box-shadow 180ms var(--ease-out);
}

.context-navigation:hover {
  transform: translateY(-2px);
  color: var(--color-brand-cyan-hover);
  background: rgba(79, 216, 247, 0.08);
  border-color: rgba(79, 216, 247, 0.55);
  box-shadow:
    0 10px 24px rgba(0, 0, 0, 0.22),
    0 0 18px rgba(79, 216, 247, 0.08);
}

.context-navigation__icon {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: rgba(79, 216, 247, 0.08);
  transition:
    transform 180ms var(--ease-out),
    background-color 180ms var(--ease-out);
}

.context-navigation[data-mode="portfolio"] {
  color: var(--color-text);
  background: rgba(79, 216, 247, 0.08);
  border-color: rgba(79, 216, 247, 0.48);
}

.context-navigation[data-mode="portfolio"] .context-navigation__icon {
  color: var(--color-brand-cyan);
  background: rgba(79, 216, 247, 0.14);
}

.context-navigation[data-mode="portfolio"]:hover .context-navigation__icon {
  transform: translateX(-3px);
}

.context-navigation:focus-visible {
  outline: 3px solid var(--color-brand-cyan-hover);
  outline-offset: 4px;
}

.context-navigation.is-switching {
  animation: context-navigation-switch 240ms var(--ease-out);
}

@keyframes context-navigation-switch {
  0% {
    opacity: 0.65;
    transform: translateY(-2px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   04. PORTFOLIO INTRO
   ========================================================================== */
.portfolio-header {
  position: relative;
  overflow: hidden;
  padding-block: clamp(64px, 7vw, 96px) clamp(32px, 5vw, 64px);
  text-align: center;
}

/* Background image layer */
.portfolio-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('assets/images/portfolio-hero.png');
  background-size: cover;
  background-position: center;
  filter: blur(12px) brightness(0.25) contrast(0.8) saturate(0.7);
  z-index: -2;
  pointer-events: none;
  transform: scale(1.05); /* Avoid white edges from blur */
}

/* Dark overlay and gradient layer */
.portfolio-header::after {
  content: "";
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at top, rgba(16, 16, 21, 0.2) 0%, rgba(16, 16, 21, 0.95) 80%),
    linear-gradient(to bottom, rgba(16, 16, 21, 0.3), rgba(16, 16, 21, 1));
  z-index: -1;
  pointer-events: none;
}

[data-theme="light"] .portfolio-header::before {
  filter: blur(12px) brightness(0.85) contrast(0.85) saturate(0.6);
}

[data-theme="light"] .portfolio-header::after {
  background: 
    radial-gradient(ellipse at top, rgba(248, 249, 250, 0.2) 0%, rgba(248, 249, 250, 0.95) 80%),
    linear-gradient(to bottom, rgba(248, 249, 250, 0.3), rgba(248, 249, 250, 1));
}

.portfolio-header__container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.portfolio-header__content {
  max-width: 640px;
  animation: fadeUp var(--duration-normal) var(--ease-out) forwards;
}

.portfolio-header__eyebrow {
  display: inline-block;
  font-family: var(--font-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-brand-cyan);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
}

.portfolio-header__title {
  font-family: var(--font-headings);
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: var(--space-5);
  letter-spacing: -0.015em;
}

.portfolio-header__desc {
  font-family: var(--font-primary);
  font-size: clamp(0.95rem, 1.6vw, 1.125rem);
  color: var(--color-text-muted);
  line-height: 1.8;
  word-spacing: 0.05em;
}

.portfolio-header__stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-6);
  animation: fadeUp var(--duration-normal) var(--ease-out) forwards;
  animation-delay: 150ms;
  opacity: 0;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 130px;
  padding: var(--space-4) var(--space-6);
  background: rgba(22, 22, 34, 0.45);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform var(--duration-fast) var(--ease-out), 
              border-color var(--duration-fast) var(--ease-out), 
              background-color var(--duration-fast) var(--ease-out);
}

[data-theme="light"] .stat-item {
  background: rgba(255, 255, 255, 0.45);
}

.stat-item:hover {
  transform: translateY(-2px);
  border-color: var(--color-border-hover);
  background: rgba(22, 22, 34, 0.65);
}

[data-theme="light"] .stat-item:hover {
  background: rgba(255, 255, 255, 0.65);
}

.stat-item__value {
  font-family: var(--font-secondary);
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 700;
  color: var(--color-brand-cyan);
}

.stat-item__label {
  font-family: var(--font-primary);
  font-size: 0.75rem;
  color: var(--color-text-subtle);
  margin-top: var(--space-1);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .portfolio-header__content,
  .portfolio-header__stats {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

/* ==========================================================================
   05. FEATURED PROJECT (HERO CAROUSEL)
   ========================================================================== */
.featured {
  padding-block: var(--space-4);
  background-color: rgba(22, 22, 34, 0.4);
  border-block: 1px solid var(--color-border);
  margin-bottom: var(--space-6);
}

.featured__container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}

@media (min-width: 768px) {
  .featured__container {
    grid-template-columns: 1.2fr 1fr;
  }
}

.featured__image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  aspect-ratio: 16 / 9;
}

.featured__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.featured__image-wrapper:hover .featured__image {
  transform: scale(1.02);
}

.featured__badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: var(--gradient-brand);
  color: #FFF;
  padding: var(--space-1) var(--space-3);
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.featured__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.featured__tagline {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-brand-cyan);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.featured__title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.3;
}

.featured__desc {
  color: var(--color-text-muted);
}

.featured__details {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  background-color: var(--color-surface);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  font-size: 0.9rem;
}

@media (min-width: 480px) {
  .featured__details {
    grid-template-columns: 1fr 1fr;
  }
}

.featured__detail-item strong {
  display: block;
  color: var(--color-brand-cyan);
  margin-bottom: var(--space-1);
}

.featured__detail-item span {
  color: var(--color-text);
}

.featured__technologies {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ==========================================================================
   06. CONTROLS (SEARCH & FILTERS)
   ========================================================================== */
.controls {
  margin-bottom: var(--space-10);
}

.controls__wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-card);
}

@media (min-width: 960px) {
  .controls__wrapper {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-5);
  }
}

/* Horizontal pill filter bar */
.filter-bar {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding-bottom: var(--space-2);
  scrollbar-width: none; /* Hide scrollbar for Firefox */
  -ms-overflow-style: none; /* Hide scrollbar for IE/Edge */
}

.filter-bar::-webkit-scrollbar {
  display: none; /* Hide scrollbar for Chrome/Safari */
}

.filter-btn {
  white-space: nowrap;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-pill);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}

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

.filter-btn.active {
  background: var(--gradient-brand);
  color: #FFF;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.25);
}

/* Search Input */
.search-bar {
  position: relative;
  width: 100%;
}

@media (min-width: 960px) {
  .search-bar {
    max-width: 360px;
  }
}

.search-bar input {
  width: 100%;
  padding: var(--space-3) var(--space-10) var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background-color: rgba(16, 16, 21, 0.4);
  color: var(--color-text);
  font-size: 0.95rem;
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

.search-bar input:focus {
  outline: none;
  border-color: var(--color-brand-cyan);
  box-shadow: 0 0 0 3px rgba(79, 216, 247, 0.15);
}

.search-icon {
  position: absolute;
  top: 50%;
  right: var(--space-3);
  transform: translateY(-50%);
  color: var(--color-text-subtle);
  pointer-events: none;
  transition: color var(--duration-fast);
}

.search-bar input:focus + .search-icon {
  color: var(--color-brand-cyan);
}

.results-count {
  font-size: 0.85rem;
  color: var(--color-text-subtle);
  margin-top: var(--space-2);
}

/* ==========================================================================
   07. PORTFOLIO STATUS (LOADING, EMPTY, ERROR)
   ========================================================================== */
.status-section {
  min-height: 200px;
}

.status-state {
  animation: fadeIn var(--duration-normal) var(--ease-out);
}

/* Shimmer Skeleton Cards */
.skeleton-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .skeleton-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .skeleton-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.skeleton-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  height: 420px;
  position: relative;
}

.skeleton-thumb {
  height: 200px;
  background-color: var(--color-surface-raised);
  position: relative;
  overflow: hidden;
}

.skeleton-thumb::after,
.skeleton-title::after,
.skeleton-text::after,
.skeleton-tag::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient-shimmer);
  animation: shimmer 1.5s infinite linear;
}

.skeleton-body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.skeleton-title {
  height: 24px;
  background-color: var(--color-surface-raised);
  border-radius: var(--radius-sm);
  width: 70%;
  position: relative;
  overflow: hidden;
}

.skeleton-text {
  height: 60px;
  background-color: var(--color-surface-raised);
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
}

.skeleton-tags {
  display: flex;
  gap: var(--space-2);
  margin-top: auto;
}

.skeleton-tag {
  height: 28px;
  background-color: var(--color-surface-raised);
  border-radius: var(--radius-pill);
  width: 60px;
  position: relative;
  overflow: hidden;
}

/* Empty & Error Cards */
.state-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-12) var(--space-6);
  max-width: 480px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.status-icon {
  color: var(--color-brand-cyan);
}

.status-icon.text-danger {
  color: var(--color-brand-danger);
}

.status-title {
  font-size: 1.25rem;
  font-weight: 600;
}

.status-desc {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* ==========================================================================
   08. PORTFOLIO GRID & CARDS
   ========================================================================== */
.grid-section {
  margin-bottom: var(--space-10);
}

.portfolio-grid__container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.portfolio-grid__container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: stretch;
}

@media (min-width: 640px) {
  .portfolio-grid__container {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }
}

@media (min-width: 960px) {
  .portfolio-grid__container {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
    gap: 28px;
  }
  
  /* Prevent 3+1 layout for exactly 4 projects by using 2 columns */
  .portfolio-grid__container:has(> :nth-child(4):last-child) {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Project Card */
.project-card {
  min-width: 0;
  height: 100%;
}

.project-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
  transition:
    transform 200ms var(--ease-out),
    border-color 200ms var(--ease-out),
    box-shadow 200ms var(--ease-out);
}

.project-card__link:hover {
  transform: translateY(-5px);
  border-color: rgba(79, 216, 247, 0.48);
  box-shadow:
    0 24px 56px rgba(0, 0, 0, 0.26),
    0 0 24px rgba(79, 216, 247, 0.06);
}

.project-card__link:focus-visible {
  outline: 3px solid var(--color-brand-cyan-hover);
  outline-offset: 5px;
}

.project-card__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--color-surface-raised);
}

.project-card__image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
  transition:
    transform 300ms var(--ease-out),
    filter 300ms var(--ease-out);
}

.project-card__link:hover .project-card__image {
  transform: scale(1.035);
  filter: brightness(1.04);
}

/* Image fallback styles */
.project-card__media--fallback {
  background: linear-gradient(135deg, #10141d 0%, #1a2230 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.project-card__fallback-title {
  color: var(--color-text-muted);
  font-family: "Alexandria", sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
  line-height: 1.4;
  direction: rtl;
}

.project-card__featured {
  position: absolute;
  top: 14px;
  inset-inline-start: 14px;
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 11px;
  color: #081018;
  background: var(--color-brand-cyan);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  box-shadow: 0 8px 20px rgba(79, 216, 247, 0.22);
}

.project-card__view-indicator {
  position: absolute;
  inset-inline-end: 14px;
  bottom: 14px;
  padding: 7px 11px;
  color: var(--color-text);
  background: rgba(16, 16, 21, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  font-size: 0.78rem;
  opacity: 0;
  transform: translateY(4px);
  transition:
    opacity 180ms var(--ease-out),
    transform 180ms var(--ease-out);
}

.project-card__link:hover .project-card__view-indicator {
  opacity: 1;
  transform: translateY(0);
}

.project-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 14px;
  padding: 22px;
}

.project-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--color-text-muted);
  font-size: 0.82rem;
}

.project-card__category {
  color: var(--color-brand-cyan);
  font-family: "Inter", sans-serif;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.project-card__year {
  direction: ltr;
  unicode-bidi: isolate;
  color: var(--color-text-muted);
}

.project-card__title {
  margin: 0;
  color: var(--color-text);
  font-family: "Alexandria", sans-serif;
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  font-weight: 650;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
}

.project-card__description {
  margin: 0;
  color: #BDC5D1;
  font-family: "Noto Sans Arabic", sans-serif;
  font-size: 0.94rem;
  line-height: 1.8;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  overflow: hidden;
}

.project-card__result {
  margin: 0;
  padding: 10px 12px;
  color: var(--color-brand-cyan);
  background: rgba(79, 216, 247, 0.05);
  border: 1px solid rgba(79, 216, 247, 0.12);
  border-radius: 10px;
  font-size: 0.84rem;
  line-height: 1.65;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
}

.project-card__footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-block-start: auto;
  padding-block-start: 6px;
}

.project-card__technologies {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 10px;
  color: var(--color-text-muted);
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-family: "Inter", sans-serif;
  font-size: 0.74rem;
  font-weight: 500;
  transition: all var(--duration-fast);
}

.project-card__link:hover .tech-tag {
  border-color: var(--color-border-hover);
  color: var(--color-text);
}

.project-card__arrow {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  color: var(--color-brand-cyan);
  background: rgba(79, 216, 247, 0.07);
  border-radius: 10px;
  font-size: 1.1rem;
  transition:
    transform 180ms var(--ease-out),
    background-color 180ms var(--ease-out);
}

.project-card__link:hover .project-card__arrow {
  transform: translateX(-4px);
  background: rgba(79, 216, 247, 0.13);
}

@media (max-width: 639px) {
  .portfolio-grid__container {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .project-card__body {
    padding: 18px;
  }

  .project-card__title {
    font-size: 1.25rem;
  }
}

/* ==========================================================================
   09. COMPACT CTA SECTION
   ========================================================================== */
.contact-cta {
  margin-bottom: var(--space-16);
}

.contact-cta__card {
  background: var(--gradient-dark);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Background connective grid accent overlay */
.contact-cta__card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 100% 100%, rgba(79, 216, 247, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.contact-cta__title {
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: var(--space-3);
  max-width: 680px;
  margin-inline: auto;
}

.contact-cta__desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  max-width: 580px;
  margin-inline: auto;
  margin-bottom: var(--space-6);
}

.contact-cta__actions {
  display: flex;
  justify-content: center;
}

/* ==========================================================================
   10. MINIMAL FOOTER
   ========================================================================== */
.site-footer {
  position: relative;
  border-top: 1px solid var(--color-border);
  background: linear-gradient(180deg, rgba(26, 31, 44, 0.28), rgba(16, 16, 21, 0.96));
}

.site-footer__main {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(220px, 0.8fr) minmax(220px, 0.8fr);
  gap: clamp(40px, 6vw, 88px);
  padding-block: 64px 56px;
}

.site-footer__logo {
  display: block;
  width: auto;
  height: 42px;
  object-fit: contain;
}

.site-footer__description {
  max-width: 520px;
  margin-block-start: 20px;
  color: var(--color-text-muted);
  font-size: 0.98rem;
  line-height: 1.9;
  font-family: var(--font-primary);
}

.site-footer__heading {
  margin: 0 0 18px;
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font-headings);
}

.site-footer__list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer__list a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 36px;
  color: var(--color-text-muted);
  text-decoration: none;
  font-family: var(--font-primary);
  transition: transform 180ms var(--ease-out), color 180ms var(--ease-out);
}

.site-footer__list a:hover {
  color: var(--color-brand-cyan);
  transform: translateX(-3px);
}

.site-footer__phone,
.site-footer__email {
  direction: ltr;
  unicode-bidi: isolate;
}

.site-footer__bottom {
  border-top: 1px solid var(--color-border);
  background: rgba(10, 12, 18, 0.56);
}

.site-footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}

.site-footer__copyright,
.site-footer__tagline {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  font-family: var(--font-primary);
}

.site-footer__back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-brand-cyan);
  font-weight: 600;
  text-decoration: none;
  font-family: var(--font-headings);
  transition: color 180ms var(--ease-out);
}

.site-footer__back-to-top:hover {
  color: var(--color-brand-cyan-hover);
}

.site-footer a:focus-visible {
  outline: 3px solid var(--color-brand-cyan-hover);
  outline-offset: 4px;
  border-radius: 6px;
}

@media (max-width: 959px) {
  .site-footer__main {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 639px) {
  .site-footer__main {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-block: 48px 40px;
  }

  .site-footer__bottom-inner {
    flex-direction: column;
    align-items: flex-start;
    padding-block: 22px;
  }
}

/* ==========================================================================
   11. FULL-PAGE PROJECT DETAILS CASE STUDY
   ========================================================================== */
.project-details {
  position: relative;
  width: 100%;
  min-height: auto;
  padding-block: 48px 96px;
  background: var(--color-bg);
}



/* Content details structure */
.case-study {
  animation: slideUp var(--duration-normal) var(--ease-out);
  padding-top: var(--space-6);
}

.case-study__header {
  margin-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-6);
}

.case-study__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: 0.85rem;
  color: var(--color-brand-cyan);
  margin-bottom: var(--space-3);
  font-weight: 600;
}

.case-study__meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.case-study__meta-item::after {
  content: "•";
  margin-inline-start: var(--space-3);
  color: var(--color-text-subtle);
}

.case-study__meta-item:last-child::after {
  display: none;
}

.case-study__title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: var(--space-4);
}

.case-study__tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* Executive summary (4 Grid blocks) */
.case-study__summary-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

@media (min-width: 480px) {
  .case-study__summary-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .case-study__summary-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.summary-block {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.summary-block h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-brand-cyan);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
}

.summary-block p {
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.5;
}

/* Image Banner */
.case-study__banner {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-10);
  aspect-ratio: 21 / 9;
}

.case-study__banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Layout for sections */
.case-study__section {
  margin-bottom: var(--space-10);
}

.case-study__sec-title {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--color-text);
  border-right: 3px solid var(--color-brand-primary);
  padding-right: var(--space-3);
}

.case-study__sec-content {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.case-study__sec-content p {
  margin-bottom: var(--space-3);
}

.case-study__sec-content ul {
  padding-right: var(--space-5);
  margin-bottom: var(--space-3);
}

.case-study__sec-content li {
  margin-bottom: var(--space-2);
}

/* Solutions architecture map / workflow image */
.case-study__architecture {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-10);
  text-align: center;
}

.case-study__arch-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.case-study__arch-img {
  max-width: 100%;
  border-radius: var(--radius-md);
  margin-inline: auto;
  border: 1px solid var(--color-border);
}

/* Gallery slider/carousel (Continuous system nodes) */
.case-study__gallery {
  margin-bottom: var(--space-10);
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  aspect-ratio: 4 / 3;
  position: relative;
  background-color: var(--color-surface);
}

.project-gallery__open {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: zoom-in;
}

.project-gallery__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-normal);
}

.project-gallery__open:hover .project-gallery__image {
  transform: scale(1.05);
}

.project-gallery__open::after {
  content: "تكبير";
  position: absolute;
  inset-inline-end: 14px;
  bottom: 14px;
  padding: 6px 10px;
  border-radius: 10px;
  color: var(--color-text);
  background: rgba(16, 16, 21, 0.78);
  opacity: 0;
  transform: translateY(4px);
  transition:
    opacity 180ms var(--ease-out),
    transform 180ms var(--ease-out);
  font-family: var(--font-primary);
  font-size: 0.75rem;
}

.project-gallery__open:hover::after {
  opacity: 1;
  transform: translateY(0);
}

.gallery-caption {
  position: absolute;
  bottom: 0;
  inset-inline: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 100%);
  color: #FFF;
  font-size: 0.8rem;
  padding: var(--space-3);
  text-align: center;
}

/* Project Navigation (Previous/Next) */
.case-study__nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-6);
  margin-top: var(--space-10);
}

.case-study__nav-link {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.case-study__nav-link span {
  font-size: 0.8rem;
  color: var(--color-text-subtle);
}

.case-study__nav-link strong {
  font-size: 0.95rem;
  color: var(--color-brand-cyan);
  transition: color var(--duration-fast);
}

.case-study__nav-link:hover strong {
  color: var(--color-brand-cyan-hover);
}

.case-study__nav-link--prev {
  text-align: right;
}

.case-study__nav-link--next {
  text-align: left;
}

/* Project Actions */
.case-study__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-10);
}

/* ==========================================================================
   12. KEYFRAMES & ANIMATIONS
   ========================================================================== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
  0% { transform: translateX(-150%); }
  50% { transform: translateX(-60%); }
  100% { transform: translateX(150%); }
}

/* Animation reveal utilities classes applied by intersection observer */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   13. REDUCED MOTION
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ==========================================================================
   14. GALLERY LIGHTBOX
   ========================================================================== */
.gallery-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 20px;
  padding: 32px;
  background: rgba(5, 8, 14, 0.92);
  backdrop-filter: blur(12px);
}

.gallery-lightbox[hidden] {
  display: none !important;
}

.gallery-lightbox__image {
  display: block;
  max-width: min(90vw, 1500px);
  max-height: 70vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 16px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
}

.gallery-lightbox__figure {
  margin: 0;
  display: grid;
  justify-items: center;
  gap: 16px;
}

.gallery-lightbox__caption {
  max-width: 900px;
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.7;
}

.gallery-lightbox__close {
  position: absolute;
  top: 24px;
  inset-inline-end: 24px;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  border: 1px solid rgba(79, 216, 247, 0.35);
  color: var(--color-text);
  background: rgba(26, 31, 44, 0.88);
  cursor: pointer;
  display: inline-grid;
  place-items: center;
  font-size: 1.5rem;
  transition: all var(--duration-fast);
}

.gallery-lightbox__nav {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid rgba(79, 216, 247, 0.28);
  color: var(--color-brand-cyan);
  background: rgba(26, 31, 44, 0.8);
  cursor: pointer;
  display: inline-grid;
  place-items: center;
  font-size: 2rem;
  transition: all var(--duration-fast);
}

.gallery-lightbox__close:hover,
.gallery-lightbox__nav:hover {
  border-color: rgba(79, 216, 247, 0.7);
  background: rgba(79, 216, 247, 0.1);
  transform: translateY(-2px);
}

.gallery-lightbox__close:focus-visible,
.gallery-lightbox__nav:focus-visible,
.project-gallery__open:focus-visible {
  outline: 3px solid var(--color-brand-cyan-hover);
  outline-offset: 4px;
}

@media (max-width: 639px) {
  .gallery-lightbox {
    grid-template-columns: 1fr;
    padding: 20px;
  }

  .gallery-lightbox__image {
    max-width: 94vw;
    max-height: 65vh;
  }

  .gallery-lightbox__nav {
    position: absolute;
    bottom: 24px;
  }

  .gallery-lightbox__nav--previous {
    inset-inline-start: 24px;
  }

  .gallery-lightbox__nav--next {
    inset-inline-end: 24px;
  }
}