:root {
  --color-primary: #1a2744;
  --color-primary-light: #2a3f6e;
  --color-primary-dark: #0f1a2e;
  --color-accent: #c8a44e;
  --color-accent-light: #dbb960;
  --color-accent-dark: #a8872e;
  --color-success: #28a745;
  --color-danger: #dc3545;
  --color-white: #ffffff;
  --color-off-white: #f8f9fa;
  --color-gray-100: #f0f0f0;
  --color-gray-200: #e0e0e0;
  --color-gray-300: #c0c0c0;
  --color-gray-500: #888888;
  --color-gray-700: #555555;
  --color-gray-900: #222222;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-bg: #ffffff;
  --color-bg-alt: #f4f6f9;
  --color-bg-dark: #1a2744;
  --font-primary: 'Cairo', 'Tajawal', sans-serif;
  --font-heading: 'Cairo', 'Tajawal', sans-serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 12px 40px rgba(0,0,0,0.15);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 0.3s ease;
  --transition-fast: 0.15s ease;
  --max-width: 1200px;
  --header-height: 72px;
}

[dir="rtl"] {
  --direction: rtl;
}
[dir="ltr"] {
  --direction: ltr;
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  max-width: 100%;
}

html {
  font-size: 16px;
  overflow-x: hidden;
  touch-action: manipulation;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

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

iframe {
  max-width: 100%;
}

table {
  max-width: 100%;
  overflow-x: auto;
}

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}

button {
  cursor: pointer;
}

/* Prevent blue tap/selection highlight on interactive elements (mobile) */
a, button, .service-card, .why-card, .area-card, .project-item,
.contact-info-card, .footer-social a, .whatsapp-float, .scroll-top,
.nav-links a, .header-cta, .lang-toggle, .logo {
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/* Allow text selection only where the user genuinely types */
input, textarea, select {
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
  -webkit-tap-highlight-color: transparent;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
  scroll-margin-top: calc(var(--header-height) + 12px);
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-dark {
  background: var(--color-bg-dark);
  color: var(--color-white);
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section-dark .section-title h2 {
  color: var(--color-white);
}

.section-title p {
  font-size: 1.1rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}

.section-dark .section-title p {
  color: rgba(255,255,255,0.7);
}

.accent-line {
  width: 60px;
  height: 4px;
  background: var(--color-accent);
  margin: 16px auto;
  border-radius: 2px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition);
  white-space: nowrap;
  min-height: 48px;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}

.btn-primary:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  border: 2px solid var(--color-white);
  color: var(--color-white);
  background: transparent;
}

.btn-outline:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

.btn-secondary {
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  background: transparent;
}

.btn-secondary:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(26, 39, 68, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  height: var(--header-height);
  transition: all var(--transition);
  padding-top: env(safe-area-inset-top, 0);
}

.header.scrolled {
  background: rgba(26, 39, 68, 0.98);
  box-shadow: var(--shadow-md);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-white);
  z-index: 1001;
  overflow: hidden;
  white-space: nowrap;
}

.logo-text {
  color: var(--color-white);
}

.drawer-header {
  display: none;
}

.drawer-title {
  color: var(--color-white);
}

.header-lang {
  display: flex;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-primary-dark);
}

.logo-img {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  position: relative;
  z-index: 100;
}

.nav-links a {
  color: rgba(255,255,255,0.85);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-toggle {
  padding: 8px 16px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-sm);
  color: var(--color-white);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition);
  background: transparent;
}

.lang-toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.header-cta {
  padding: 10px 20px;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition);
}

.header-cta:hover {
  background: var(--color-accent-light);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
  padding: 8px;
  width: 44px;
  height: 44px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
}

.menu-toggle.active span {
  background: var(--color-white);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 26, 46, 0.85) 0%, rgba(26, 39, 68, 0.75) 50%, rgba(42, 63, 110, 0.7) 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c8a44e' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero-tagline {
  display: inline-block;
  background: rgba(200, 164, 78, 0.15);
  border: 1px solid rgba(200, 164, 78, 0.3);
  color: var(--color-accent);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero h1 span {
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: rgba(255,255,255,0.8);
  margin-bottom: 12px;
  line-height: 1.8;
}

.hero-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.15);
}

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

.hero-stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
}

.hero-stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
}

/* ===== SERVICES ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
  border: 1px solid var(--color-gray-200);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(200,164,78,0.1), rgba(200,164,78,0.05));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.8rem;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ===== ABOUT ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-content h3 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.about-content p {
  font-size: 1.05rem;
  color: var(--color-text-light);
  margin-bottom: 16px;
  line-height: 1.8;
}

.about-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.about-visual-box {
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  color: var(--color-white);
}

.about-visual-box .num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-accent);
  display: block;
}

.about-visual-box .label {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  margin-top: 8px;
  display: block;
}

/* ===== WHY US ===== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.why-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition);
}

.why-card:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.why-card-icon {
  width: 56px;
  height: 56px;
  background: rgba(200,164,78,0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.why-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 12px;
}

.why-card p {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
}

/* ===== PROJECTS/GALLERY ===== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.project-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-gray-200);
  cursor: pointer;
}

.project-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.project-item:hover img {
  transform: scale(1.05);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,39,68,0.8), transparent);
  display: flex;
  align-items: flex-end;
  padding: 24px;
  opacity: 0;
  transition: opacity var(--transition);
}

.project-item:hover .project-overlay {
  opacity: 1;
}

.project-overlay span {
  color: var(--color-white);
  font-weight: 600;
  font-size: 1.05rem;
}

.project-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--color-gray-300);
}

/* ===== SERVICE AREAS ===== */
.areas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.area-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 40px 30px;
  text-align: center;
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition);
}

.area-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.area-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.8rem;
  color: var(--color-white);
}

.area-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.area-card p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-form {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-200);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: border-color var(--transition);
  background: var(--color-white);
  color: var(--color-text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(200,164,78,0.1);
}

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

.form-submit {
  width: 100%;
  padding: 16px;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 1.05rem;
  transition: all var(--transition);
}

.form-submit:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition);
}

.contact-info-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.contact-info-icon {
  width: 56px;
  height: 56px;
  min-width: 56px;
  background: linear-gradient(135deg, rgba(200,164,78,0.1), rgba(200,164,78,0.05));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--color-accent);
}

.contact-info-content h4 {
  font-size: 0.85rem;
  color: var(--color-text-light);
  font-weight: 500;
  margin-bottom: 4px;
}

.contact-info-content a,
.contact-info-content p {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
}

.contact-info-content a:hover {
  color: var(--color-accent);
}

.map-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-gray-200);
  height: 200px;
  background: var(--color-gray-100);
}

.map-card iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ===== CTA SECTION ===== */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  text-align: center;
  color: var(--color-white);
}

.cta-section h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-primary-dark);
  color: var(--color-white);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1rem;
  transition: all var(--transition);
}

.footer-social a:hover {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--color-white);
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  color: rgba(255,255,255,0.6);
  font-size: 0.95rem;
  transition: color var(--transition);
}

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

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: rgba(255,255,255,0.6);
  font-size: 0.95rem;
}

.footer-contact-item span:first-child {
  color: var(--color-accent);
  font-size: 1rem;
}

.footer-contact-item a {
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.footer-contact-item a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
}

.footer-dev {
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
}

.footer-dev span:first-child,
.footer-dev .dev-laptop {
  font-size: 0.95rem;
  line-height: 1;
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 999;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all var(--transition);
  animation: float-pulse 2s infinite;
}

[dir="rtl"] .whatsapp-float {
  left: auto;
  right: 24px;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: white;
}

@keyframes float-pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6); }
}

/* ===== SCROLL TO TOP ===== */
.scroll-top {
  position: fixed;
  bottom: 96px;
  left: 24px;
  z-index: 999;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  box-shadow: var(--shadow-md);
}

[dir="rtl"] .scroll-top {
  left: auto;
  right: 24px;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: var(--color-accent);
  color: var(--color-primary-dark);
  transform: translateY(-3px);
}

/* ===== ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[dir="rtl"] .fade-in-left {
  transform: translateX(30px);
}

[dir="rtl"] .fade-in-right {
  transform: translateX(-30px);
}

.fade-in-left.visible,
.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Form fields and interactive elements are ALWAYS usable,
   regardless of the fade-in animation state. */
input, textarea, select, label, button,
.contact-form, .contact-info,
.contact-form input, .contact-form textarea, .contact-form select,
.contact-form label, .contact-form button,
.contact-info a, .contact-info > * {
  pointer-events: auto !important;
  -webkit-user-select: text !important;
  user-select: text !important;
}

#contact-form,
#contact-form *,
.contact-info,
.contact-info * {
  visibility: visible !important;
  opacity: 1 !important;
  transform: none !important;
}

/* The entire contact section always sits above any transparent/fixed layer
   (menu overlay, backdrop) so it can never be click-blocked on mobile,
   even while the menu is open. */
#contact {
  position: relative;
  z-index: 50;
}
#contact .contact-form,
#contact .contact-info {
  position: relative;
  z-index: 1;
}
#contact .contact-info-card,
#contact .form-submit {
  cursor: pointer;
}

/* ===== MOBILE MENU BACKDROP ===== */
.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 16, 30, 0.65);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0s 0.3s;
}

.nav-backdrop.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: opacity 0.3s ease, visibility 0s 0s;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .areas-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .logo-text {
    display: none;
  }

  .header-lang {
    display: none;
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    margin-bottom: 40px;
  }

  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background: #0f1a2e;
    flex-direction: column;
    justify-content: flex-start;
    padding: calc(var(--header-height) + 8px) 24px 40px;
    gap: 0;
    z-index: 9999;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    box-shadow: var(--shadow-lg);
    transition: opacity 0.3s ease;
    opacity: 0;
    visibility: hidden;
    /* REMOVED FROM FLOW when closed so it can NEVER intercept clicks
       anywhere on the page (form fields, cards, etc.). */
    display: none;
    pointer-events: none;
  }

  .drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 0 20px;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    width: 100%;
    box-sizing: border-box;
  }

  .drawer-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-white);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .drawer-header .lang-toggle {
    flex-shrink: 0;
    margin-inline-start: 12px;
    padding: 8px 16px;
    border: 1px solid rgba(255,255,255,0.35);
    border-radius: var(--radius-sm);
    color: var(--color-white);
    font-weight: 600;
    font-size: 0.9rem;
    background: transparent;
    cursor: pointer;
    transition: all var(--transition);
  }

  .drawer-header .lang-toggle:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
  }

  .nav-links.active {
    opacity: 1;
    visibility: visible;
    display: flex;
    pointer-events: auto;
    transition: opacity 0.3s ease;
  }

  .nav-links.active .drawer-header {
    display: flex;
  }

  .nav-links.active .drawer-header .lang-toggle {
    display: inline-flex;
  }

  .nav-links a {
    font-size: 1.05rem;
    color: #ffffff !important;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    width: 100%;
    min-height: 48px;
    display: flex;
    align-items: center;
    box-sizing: border-box;
    opacity: 1;
    visibility: visible;
  }

  .nav-links a:hover {
    color: var(--color-accent) !important;
  }

  .nav-links a:last-child {
    border-bottom: none;
  }

  .menu-toggle {
    display: flex;
    position: relative;
    z-index: 10000;
  }

  .header-cta {
    display: none;
  }

  .hero-stats {
    flex-direction: column;
    gap: 20px;
  }

  .hero-stat {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .hero-stat-number {
    font-size: 1.5rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-visual {
    order: -1;
  }

  .why-grid {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .areas-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-tagline {
    font-size: 0.85rem;
    padding: 6px 16px;
  }

  .hero {
    min-height: auto;
    padding: calc(var(--header-height) + 20px) 0 60px;
  }

  .container {
    padding: 0 20px;
  }
}

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

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .about-visual {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 20px;
  }

  .container {
    padding: 0 16px;
  }

  .hero {
    padding: calc(var(--header-height) + 16px) 0 40px;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .hero-subtitle {
    font-size: 0.9rem;
  }

  .section {
    padding: 48px 0;
  }

  .section-title h2 {
    font-size: 1.5rem;
  }

  .area-card {
    padding: 28px 20px;
  }

  .service-card {
    padding: 24px 20px;
  }

  .why-card {
    padding: 28px 20px;
  }

  .logo {
    font-size: 1rem;
    gap: 8px;
  }

  .logo-img,
  .logo-icon {
    width: 36px;
    height: 36px;
    min-width: 36px;
  }

  .drawer-header .lang-toggle {
    padding: 6px 10px;
    font-size: 0.8rem;
  }
}

/* ===== EXTRA SMALL SCREENS (360px) ===== */
@media (max-width: 360px) {
  :root {
    --header-height: 56px;
  }

  .logo {
    font-size: 0.85rem;
    gap: 6px;
  }

  .logo-img,
  .logo-icon {
    width: 32px;
    height: 32px;
    min-width: 32px;
  }

  .hero h1 {
    font-size: 1.5rem;
  }

  .hero-tagline {
    font-size: 0.75rem;
    padding: 4px 12px;
  }

  .hero {
    padding: calc(var(--header-height) + 12px) 0 32px;
  }

  .container {
    padding: 0 12px;
  }

  .section {
    padding: 40px 0;
  }

  .btn {
    padding: 12px 24px;
    font-size: 0.9rem;
  }

  .hero-stat-number {
    font-size: 1.2rem;
  }
}

/* ===== WIDE SCREENS (1920px+) ===== */
@media (min-width: 1920px) {
  :root {
    --max-width: 1400px;
  }

  .hero h1 {
    font-size: 4rem;
  }
}

/* ===== PRINT ===== */
@media print {
  .header, .whatsapp-float, .scroll-top, .cta-section {
    display: none !important;
  }
  body {
    color: #000;
    background: #fff;
  }
}

/* ===== SKIP LINK ===== */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  padding: 12px 24px;
  z-index: 10000;
  font-weight: 700;
}

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

/* ===== FOCUS STYLES ===== */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* ===== LIGHTBOX ===== */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,0.9);
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.lightbox.active {
  display: flex;
}

.lightbox img {
  max-width: 90%;
  max-height: 85vh;
  border-radius: var(--radius-md);
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  color: white;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition);
}

[dir="rtl"] .lightbox-close {
  right: auto;
  left: 20px;
}

.lightbox-close:hover {
  background: rgba(255,255,255,0.2);
}

/* ===== NO IMAGE PLACEHOLDER ===== */
.no-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: rgba(255,255,255,0.3);
  font-size: 3rem;
  gap: 8px;
}

.no-image-placeholder span {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.2);
}

/* ===== INTERACTIVE CARD TAP FEEDBACK (visual only, no navigation) ===== */
.service-card,
.why-card,
.area-card,
.project-item {
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.service-card:hover,
.why-card:hover,
.area-card:hover,
.project-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(255, 215, 0, 0.12);
}

.ripple {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.ripple::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 12px;
  margin: -6px 0 0 -6px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.55) 0%, rgba(255, 215, 0, 0) 70%);
  transform: scale(0);
  opacity: 0;
  pointer-events: none;
  transition: none;
}

.ripple.tapped::after {
  animation: tapGlow 0.55s ease-out forwards;
}

@keyframes tapGlow {
  0%   { transform: scale(0); opacity: 0.9; }
  100% { transform: scale(26); opacity: 0; }
}

.ripple.tapped {
  animation: cardFlash 0.45s ease-out;
}

@keyframes cardFlash {
  0%   { box-shadow: 0 0 0 0 rgba(255, 215, 0, 0.55); border-color: var(--color-accent, #d4af37); }
  100% { box-shadow: 0 0 34px 8px rgba(255, 215, 0, 0.25); border-color: var(--color-accent, #d4af37); }
}

.area-card.tapped,
.service-card.tapped,
.why-card.tapped {
  transform: translateY(-2px) scale(1.015);
}

.service-card.tapped .service-icon,
.why-card.tapped .why-card-icon,
.area-card.tapped .area-icon {
  transform: scale(1.25) rotate(-6deg);
  text-shadow: 0 0 22px rgba(255, 215, 0, 0.9);
}

.project-item.tapped {
  transform: translateY(-2px) scale(1.02);
}

/* ===== MOBILE TOUCH IMPROVEMENTS ===== */
@media (max-width: 768px) {
  .lightbox {
    padding: 16px;
  }

  .lightbox-close {
    top: 12px;
    right: 12px;
    width: 48px;
    height: 48px;
  }

  [dir="rtl"] .lightbox-close {
    right: auto;
    left: 12px;
  }

  .lightbox img {
    max-width: 95%;
    max-height: 80vh;
  }

  .whatsapp-float {
    width: 56px;
    height: 56px;
    bottom: 20px;
  }

  [dir="rtl"] .whatsapp-float {
    right: 20px;
  }

  .scroll-top {
    bottom: 88px;
    width: 42px;
    height: 42px;
  }

  [dir="rtl"] .scroll-top {
    right: 20px;
  }

  .contact-info-card {
    padding: 16px;
  }

  .cta-section {
    padding: 48px 0;
  }

  .footer {
    padding: 40px 0 0;
  }
}