/* ==========================================================================
   VALENCE STUDIO - DESIGN SYSTEM & CORE STYLESHEET
   Aesthetics: Award-winning digital agency, clean dark-and-light balance,
   vibrant electric cobalt accent, sharp typography, refined micro-interactions.
   ========================================================================== */

/* --- GOOGLE FONTS IMPORT --- */
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@500;700&display=swap');

/* --- CSS VARIABLES & TOKENS --- */
:root {
  /* Brand Accents */
  --color-primary: #1A56DB;
  --color-primary-hover: #1442B0;
  --color-primary-light: #EBF2FF;
  --color-primary-muted: rgba(26, 86, 219, 0.08);
  --color-accent: #0284C7;
  --color-accent-gold: #F59E0B;
  --color-success: #10B981;

  /* Light Theme Canvas (Readability & Cleanliness) */
  --bg-body: #FAFAFC;
  --bg-card: #FFFFFF;
  --bg-card-elevated: #FFFFFF;
  --bg-muted: #F3F4F8;
  --bg-subtle: #F8F9FA;
  --border-color: rgba(15, 23, 42, 0.08);
  --border-light: rgba(15, 23, 42, 0.04);
  --border-hover: rgba(26, 86, 219, 0.25);

  /* Deep Charcoal & Obsidian (Contrast & Gravitas) */
  --bg-dark: #0D1117;
  --bg-dark-surface: #161B22;
  --bg-dark-card: #1F242C;
  --border-dark: rgba(255, 255, 255, 0.09);
  --border-dark-hover: rgba(255, 255, 255, 0.18);

  /* Typography Colors */
  --text-main: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --text-white: #FFFFFF;
  --text-dark-muted: #8B949E;

  /* Typography Families */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Space Grotesk', monospace, sans-serif;

  /* Elevation & Shadows */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 8px 24px -4px rgba(15, 23, 42, 0.06), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 40px -12px rgba(15, 23, 42, 0.1), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 32px 64px -16px rgba(15, 23, 42, 0.14);
  --shadow-glow: 0 0 32px rgba(26, 86, 219, 0.2);

  /* Layout & Spacing */
  --container-max: 1240px;
  --container-wide: 1360px;
  --header-height: 80px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-base: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- RESET & BOX SIZING --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

/* Accessibility Focus States */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* --- TYPOGRAPHY SCALE --- */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.display-title {
  font-size: clamp(2.5rem, 5.2vw, 4.25rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.section-title {
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: clamp(1rem, 1.2vw, 1.18rem);
  color: var(--text-secondary);
  max-width: 620px;
  line-height: 1.65;
  font-weight: 400;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: 1rem;
  max-width: 100%;
}

.eyebrow-dark {
  color: #60A5FA;
}

.eyebrow-pill {
  background: var(--color-primary-light);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(26, 86, 219, 0.15);
  max-width: 100%;
  white-space: normal;
  flex-wrap: wrap;
  word-break: break-word;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  background-color: var(--color-success);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulseBeacon 2s infinite;
}

@keyframes pulseBeacon {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* --- COMMON LAYOUT & UTILITIES --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-wide {
  width: 100%;
  max-width: var(--container-wide);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding-top: 6rem;
  padding-bottom: 6rem;
  position: relative;
}

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

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--text-white);
}

.section-dark .section-subtitle {
  color: var(--text-dark-muted);
}

.section-header {
  margin-bottom: 3.5rem;
}

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

.section-header.text-center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
  flex-wrap: wrap;
}

/* --- BUTTONS & CTAS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.85rem 1.75rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
  line-height: 1;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--text-white);
  border: 1px solid var(--color-primary);
  box-shadow: 0 2px 6px rgba(26, 86, 219, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(26, 86, 219, 0.35);
}

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

.btn-secondary:hover {
  border-color: var(--text-main);
  background-color: var(--bg-muted);
  transform: translateY(-2px);
}

.btn-dark {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--text-white);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
}

.btn-dark:hover {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.9375rem;
  transition: gap var(--transition-fast);
}

.btn-text:hover {
  gap: 0.7rem;
  color: var(--color-primary-hover);
}

.btn-text svg {
  transition: transform var(--transition-fast);
}

.btn-text:hover svg {
  transform: translateX(3px);
}

/* --- NAVIGATION HEADER --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background-color: rgba(250, 250, 252, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  transition: all var(--transition-base);
}

.site-header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  height: 72px;
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-main);
}

.brand-mark {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #3B82F6 100%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 0 4px 10px rgba(26, 86, 219, 0.25);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-main);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.mobile-toggle {
  display: none;
  padding: 0.5rem;
  color: var(--text-main);
}

/* Mobile Navigation Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(8px);
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  overflow: hidden;
  pointer-events: none;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-drawer.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-content {
  position: absolute;
  top: 0;
  right: 0;
  width: 85%;
  max-width: 380px;
  height: 100%;
  background-color: #FFFFFF;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
  transform: translateX(100%);
  transition: transform var(--transition-base);
}

.mobile-drawer.open .mobile-content {
  transform: translateX(0);
}

.mobile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.mobile-nav-link {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-main);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-light);
}

.mobile-nav-link.active {
  color: var(--color-primary);
}

/* --- HERO SECTION --- */
.hero {
  padding-top: calc(var(--header-height) + 3.5rem);
  padding-bottom: 5.5rem;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 50% 0%, rgba(26, 86, 219, 0.05) 0%, transparent 65%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  align-items: center;
  gap: 3.5rem;
}

.hero-content {
  max-width: 600px;
  width: 100%;
  min-width: 0;
}

.hero-headline {
  margin-bottom: 1.25rem;
}

.hero-desc {
  font-size: clamp(1.05rem, 1.25vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  flex-direction: column;
}

.trust-val {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.trust-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Hero Showcase Visual Composition */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  width: 100%;
  min-width: 0;
}

.browser-frame {
  width: 100%;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(15, 23, 42, 0.1);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  position: relative;
  transition: transform var(--transition-slow);
}

.browser-frame:hover {
  transform: translateY(-4px);
}

.browser-chrome {
  background: #F1F3F5;
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.browser-dots {
  display: flex;
  gap: 6px;
}

.browser-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-red { background: #FF5F56; }
.dot-yellow { background: #FFBD2E; }
.dot-green { background: #27C93F; }

.browser-url-bar {
  flex: 1;
  background: #FFFFFF;
  border-radius: 6px;
  padding: 0.2rem 0.75rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid rgba(15, 23, 42, 0.05);
  min-width: 0;
  overflow: hidden;
}

.browser-url-bar span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.browser-body {
  position: relative;
  background: var(--bg-card);
  overflow: hidden;
}

.browser-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.hero-badge-overlay {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.15rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
  max-width: calc(100% - 3rem);
}

[dir="rtl"] .hero-badge-overlay {
  left: auto;
  right: 1.5rem;
}

.badge-icon {
  width: 32px;
  height: 32px;
  background: rgba(16, 185, 129, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-success);
}

/* --- TRUST & VALUE PROPOSITIONS SECTION --- */
.trust-pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  transition: all var(--transition-base);
  position: relative;
}

.pillar-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-hover);
}

.pillar-number {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
}

.pillar-title {
  font-size: 1.1875rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: -0.015em;
}

.pillar-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* --- SERVICES SECTION --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
  position: relative;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.service-card-highlight {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-muted) 100%);
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .service-card-highlight {
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-muted) 100%);
  border-color: rgba(59, 130, 246, 0.25);
  box-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.5);
}

.service-icon-box {
  width: 52px;
  height: 52px;
  background: var(--color-primary-muted);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  transition: all var(--transition-fast);
}

.service-card:hover .service-icon-box {
  background: var(--color-primary);
  color: #FFFFFF;
}

.service-card-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
  letter-spacing: -0.02em;
}

.service-card-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex: 1;
}

.service-deliverables {
  margin-bottom: 1.75rem;
  border-top: 1px solid var(--border-light);
  padding-top: 1.25rem;
}

.deliverable-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.deliverable-item svg {
  color: var(--color-success);
  flex-shrink: 0;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-primary);
  margin-top: auto;
}

.service-link:hover {
  gap: 0.75rem;
}

/* Service CTA Banner */
.services-cta-banner {
  margin-top: 4rem;
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  border-radius: var(--radius-xl);
  padding: 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-xl);
}

.services-cta-content h3 {
  color: #fff;
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.services-cta-content p {
  color: var(--text-dark-muted);
  font-size: 1rem;
}

/* --- DETAILED SERVICE CARDS (SERVICES PAGE) --- */
.service-detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 3rem;
  margin-bottom: 3.5rem;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.service-detail-card:hover {
  border-color: rgba(26, 86, 219, 0.35);
  box-shadow: var(--shadow-lg);
}

.service-detail-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
}

.service-detail-card h2 {
  font-size: clamp(1.5rem, 3.2vw, 2rem);
  margin-bottom: 1rem;
  line-height: 1.25;
}

.service-detail-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.service-deliverables-title {
  font-size: 0.9375rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  font-weight: 700;
}

.service-detail-list {
  margin-bottom: 2rem;
}

.service-facts-box {
  background: var(--bg-muted);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.service-facts-box h3 {
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
  color: var(--text-main);
}

.service-fact-item {
  margin-bottom: 1rem;
}

.service-fact-item:last-child {
  margin-bottom: 0;
}

.service-fact-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 0.25rem;
}

.service-fact-value {
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.45;
}

/* --- FEATURED PROJECTS / PORTFOLIO --- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem 2.5rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(26, 86, 219, 0.2);
}

.project-media-wrap {
  position: relative;
  background: #E2E8F0;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.project-meta-pill {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.project-content {
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.project-header-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.75rem;
}

.project-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.project-industry {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
}

.project-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.project-tag {
  font-size: 0.75rem;
  font-weight: 500;
  background: var(--bg-muted);
  color: var(--text-secondary);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--color-primary);
  margin-top: auto;
}

.project-link:hover {
  gap: 0.75rem;
}

/* Portfolio Filters */
.portfolio-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.filter-btn {
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

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

.filter-btn.active {
  background: var(--text-main);
  color: #FFFFFF;
  border-color: var(--text-main);
}

/* --- OUR PROCESS SECTION --- */
.process-steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}

.process-step-card {
  position: relative;
  background: var(--bg-dark-surface);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  transition: all var(--transition-base);
}

.process-step-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  background: var(--bg-dark-card);
}

.step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 800;
  color: #3B82F6;
}

.step-badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dark-muted);
  background: rgba(255, 255, 255, 0.06);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
}

.step-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 0.75rem;
}

.step-desc {
  font-size: 0.9375rem;
  color: var(--text-dark-muted);
  line-height: 1.6;
}

/* --- ABOUT SECTION PREVIEW --- */
.about-preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-color);
}

.about-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-badge-card {
  position: absolute;
  bottom: 2rem;
  right: 2rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: var(--shadow-lg);
}

.about-badge-card .stat-val {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.about-badge-card .stat-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.about-content-block h2 {
  margin-bottom: 1.25rem;
}

.about-content-block p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.principles-list {
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.principle-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.principle-icon {
  width: 24px;
  height: 24px;
  background: var(--color-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

/* --- TESTIMONIALS SECTION --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.star-rating {
  display: flex;
  gap: 4px;
  color: var(--color-accent-gold);
  margin-bottom: 1.25rem;
}

.testimonial-quote {
  font-size: 0.975rem;
  color: var(--text-main);
  line-height: 1.65;
  margin-bottom: 1.75rem;
  flex: 1;
}

.testimonial-author-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  border-top: 1px solid var(--border-light);
  padding-top: 1.25rem;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #E2E8F0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--text-main);
  font-size: 0.9375rem;
}

.author-info h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
}

.author-info p {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.testimonial-disclaimer {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 2rem;
}

/* --- CONTACT / INQUIRY SECTION --- */
.contact-section-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 3.5rem;
  align-items: flex-start;
}

.contact-info-block h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 1rem;
}

.contact-info-block .section-subtitle {
  margin-bottom: 2.5rem;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.contact-channel-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.channel-icon {
  width: 44px;
  height: 44px;
  background: var(--color-primary-muted);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.channel-title {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 0.2rem;
}

.channel-value {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
}

.guarantee-box {
  background: var(--bg-muted);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border-left: 4px solid var(--color-primary);
}

.guarantee-title {
  font-weight: 700;
  font-size: 0.9375rem;
  margin-bottom: 0.25rem;
}

.guarantee-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Form Container */
.inquiry-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2.75rem;
  box-shadow: var(--shadow-xl);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
}

.form-label span.req {
  color: #DC2626;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1.15rem;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.12);
}

.form-textarea {
  resize: vertical;
  min-height: 130px;
}

/* Service Choice Pills */
.service-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.service-pill-btn {
  padding: 0.5rem 0.95rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.service-pill-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.service-pill-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #FFFFFF;
}

/* Form Alerts & States */
.form-feedback {
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  display: none;
  align-items: center;
  gap: 0.75rem;
}

.form-feedback.success {
  background: #ECFDF5;
  color: #065F46;
  border: 1px solid #A7F3D0;
}

.form-feedback.error {
  background: #FEF2F2;
  color: #991B1B;
  border: 1px solid #FECACA;
}

.loading-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --- FOOTER --- */
.site-footer {
  background-color: var(--bg-dark);
  color: var(--text-white);
  padding-top: 5rem;
  padding-bottom: 2.5rem;
  border-top: 1px solid var(--border-dark);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3.5rem;
  margin-bottom: 4rem;
}

.footer-brand h3 {
  color: #fff;
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: var(--text-dark-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
  max-width: 320px;
  margin-bottom: 1.5rem;
}

.footer-col-title {
  color: #FFFFFF;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  color: var(--text-dark-muted);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: #FFFFFF;
}

.footer-bottom-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-dark);
  font-size: 0.8125rem;
  color: var(--text-dark-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-legal-links {
  display: flex;
  gap: 1.5rem;
}

/* --- CASE STUDY DETAIL STYLES --- */
.case-study-hero {
  padding-top: calc(var(--header-height) + 4rem);
  padding-bottom: 4rem;
  background: var(--bg-muted);
  border-bottom: 1px solid var(--border-color);
}

.case-study-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.case-meta-item .meta-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.case-meta-item .meta-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
}

.case-study-featured-img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-color);
  margin-top: -3rem;
  position: relative;
  z-index: 2;
}

.case-content-layout {
  display: grid;
  grid-template-columns: 2.2fr 1fr;
  gap: 4rem;
  margin-top: 5rem;
}

.case-main-body h2 {
  font-size: 1.85rem;
  margin-top: 3rem;
  margin-bottom: 1rem;
}

.case-main-body h2:first-child {
  margin-top: 0;
}

.case-main-body p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.case-results-card {
  background: var(--bg-dark);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin: 3rem 0;
}

.case-results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}

.case-stat-big {
  font-size: 2.5rem;
  font-weight: 800;
  color: #60A5FA;
  margin-bottom: 0.25rem;
}

.case-sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: sticky;
  top: calc(var(--header-height) + 2rem);
}

/* --- BREADCRUMBS --- */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.breadcrumbs a {
  color: var(--text-secondary);
}

.breadcrumbs a:hover {
  color: var(--color-primary);
}

.breadcrumbs .sep {
  color: var(--border-color);
}

/* --- FAQ ACCORDION --- */
.faq-accordion-wrap {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item.active {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  padding: 1.5rem 1.75rem;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-main);
  gap: 1rem;
}

.faq-icon-arrow {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.faq-item.active .faq-icon-arrow {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s ease;
  padding: 0 1.75rem;
}

.faq-item.active .faq-answer {
  max-height: 600px;
}

.faq-answer-inner {
  padding-bottom: 1.5rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* --- TECH STACK COMPARISON TABLE --- */
.tech-table-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  box-shadow: var(--shadow-sm);
  margin-top: 2rem;
}

.tech-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9375rem;
}

.tech-table th,
.tech-table td {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.tech-table th {
  background: var(--bg-muted);
  font-weight: 700;
  color: var(--text-main);
  text-transform: uppercase;
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
}

.tech-table tr:last-child td {
  border-bottom: none;
}

.tech-badge {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
  margin: 0.2rem;
}

/* --- PRICING & ENGAGEMENT TIERS --- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3.5rem;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-base);
}

.pricing-card.featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.pricing-featured-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.85rem;
  border-radius: var(--radius-full);
}

.pricing-tier-name {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.pricing-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1.5rem;
}

.pricing-amount {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.pricing-term {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.pricing-feature-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  flex: 1;
}

.pricing-feature-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.pricing-feature-item svg {
  color: var(--color-success);
  flex-shrink: 0;
}

/* --- BUDGET PILLS --- */
.budget-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.budget-pill-btn {
  padding: 0.5rem 0.95rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.budget-pill-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.budget-pill-btn.active {
  background: var(--text-main);
  border-color: var(--text-main);
  color: #FFFFFF;
}

/* Reduced Motion for Accessibility */
@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;
  }
}

/* ==========================================================================
   THEME (DARK MODE) & I18N CONTROLS STYLES
   ========================================================================== */

/* Dark Mode Tokens & Overrides */
[data-theme="dark"] {
  --bg-body: #0B0F17;
  --bg-card: #131A26;
  --bg-card-elevated: #1A2333;
  --bg-muted: #151D2A;
  --bg-subtle: #182232;
  --border-color: rgba(255, 255, 255, 0.11);
  --border-light: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(96, 165, 250, 0.4);

  --bg-dark: #07090D;
  --bg-dark-surface: #0E131C;
  --bg-dark-card: #141B26;

  --text-main: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-light: #475569;

  --color-primary: #3B82F6;
  --color-primary-hover: #60A5FA;
  --color-primary-light: rgba(59, 130, 246, 0.16);
  --color-primary-muted: rgba(59, 130, 246, 0.15);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px -4px rgba(0, 0, 0, 0.45), 0 2px 6px -1px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 40px -12px rgba(0, 0, 0, 0.55), 0 4px 12px -2px rgba(0, 0, 0, 0.35);
  --shadow-xl: 0 32px 64px -16px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 36px rgba(59, 130, 246, 0.3);
}

[data-theme="dark"] .site-header {
  background-color: rgba(11, 15, 23, 0.88);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .site-header.scrolled {
  background-color: rgba(11, 15, 23, 0.96);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .mobile-content {
  background-color: #131A26;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.6);
}

[data-theme="dark"] .browser-chrome {
  background: #172030;
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .browser-url-bar {
  background: #0B0F17;
  border-color: rgba(255, 255, 255, 0.08);
  color: #94A3B8;
}

[data-theme="dark"] .form-input,
[data-theme="dark"] .form-select,
[data-theme="dark"] .form-textarea {
  background-color: #172030;
  border-color: rgba(255, 255, 255, 0.12);
  color: #F1F5F9;
}

[data-theme="dark"] .form-input:focus,
[data-theme="dark"] .form-select:focus,
[data-theme="dark"] .form-textarea:focus {
  background-color: #1A2538;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .hero-badge-overlay {
  background: rgba(11, 15, 23, 0.92);
  border-color: rgba(255, 255, 255, 0.12);
}

[data-theme="dark"] .author-avatar {
  background: #1E293B;
  color: #F1F5F9;
}

[data-theme="dark"] .btn-secondary {
  background-color: #131A26;
  border-color: rgba(255, 255, 255, 0.14);
  color: #F1F5F9;
}

[data-theme="dark"] .btn-secondary:hover {
  background-color: #1A2333;
  border-color: var(--color-primary);
  color: #FFFFFF;
}

[data-theme="dark"] .filter-btn {
  background-color: #131A26;
  border-color: rgba(255, 255, 255, 0.12);
  color: #94A3B8;
}

[data-theme="dark"] .filter-btn:hover {
  color: #F1F5F9;
  border-color: rgba(255, 255, 255, 0.25);
}

[data-theme="dark"] .filter-btn.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #FFFFFF;
}

[data-theme="dark"] .tech-table th {
  background-color: #172030;
}

[data-theme="dark"] .tech-badge {
  background-color: rgba(59, 130, 246, 0.18);
  color: #93C5FD;
}

[data-theme="dark"] .channel-icon {
  background-color: rgba(59, 130, 246, 0.18);
  color: #60A5FA;
}

/* Header & Mobile Action Controls */
.theme-toggle-btn,
.lang-dropdown-btn,
.lang-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  height: 40px;
  min-width: 40px;
  padding: 0 0.65rem;
  border-radius: var(--radius-full);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.8125rem;
  font-weight: 700;
  font-family: var(--font-sans);
  letter-spacing: 0.05em;
  user-select: none;
}

.theme-toggle-btn:hover,
.lang-dropdown-btn:hover,
.lang-toggle-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.theme-toggle-btn:focus-visible,
.lang-dropdown-btn:focus-visible,
.lang-toggle-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Language Dropdown Selector */
.lang-dropdown {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.dropdown-chevron {
  width: 12px;
  height: 12px;
  color: var(--text-muted);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.lang-dropdown.open .dropdown-chevron {
  transform: rotate(180deg);
}

.lang-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 175px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 0.35rem;
  display: none;
  flex-direction: column;
  gap: 0.2rem;
  z-index: 1000;
  transform-origin: top right;
  animation: dropdownFade 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

.lang-dropdown.open .lang-dropdown-menu {
  display: flex;
}

[dir="rtl"] .lang-dropdown-menu {
  right: auto;
  left: 0;
  transform-origin: top left;
}

@keyframes dropdownFade {
  from { opacity: 0; transform: translateY(-6px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  width: 100%;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  color: var(--text-main);
  font-size: 0.875rem;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  text-align: left;
}

[dir="rtl"] .lang-option {
  text-align: right;
}

.lang-option:hover {
  background-color: var(--bg-muted);
  color: var(--color-primary);
}

.lang-option.active {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 700;
}

.lang-flag {
  font-size: 1.1rem;
  line-height: 1;
}

.lang-name {
  flex: 1;
}

.lang-code {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.lang-option.active .lang-code {
  color: var(--color-primary);
}

.lang-check {
  display: none;
  color: var(--color-primary);
}

.lang-option.active .lang-check {
  display: inline-flex;
  align-items: center;
}

/* Mobile Segmented Language Picker in Drawer */
.mobile-lang-segmented {
  display: flex;
  width: 100%;
  background: var(--bg-muted);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 0.25rem;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
}

.mobile-lang-pill {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.6rem 0.4rem;
  border: none;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mobile-lang-pill.active {
  background: var(--bg-card);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
  font-weight: 700;
}

/* Theme Icons Visibility */
.theme-icon-sun {
  display: none;
  color: #F59E0B;
}

.theme-icon-moon {
  display: block;
  color: var(--text-main);
}

[data-theme="dark"] .theme-icon-sun {
  display: block;
}

[data-theme="dark"] .theme-icon-moon {
  display: none;
}

.lang-icon {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

/* Mobile drawer controls */
.mobile-drawer-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.mobile-theme-btn,
.mobile-lang-btn {
  flex: 1;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: var(--radius-md);
}

.theme-text {
  font-size: 0.875rem;
  font-weight: 600;
}

/* --- RTL & ARABIC LANGUAGE SUPPORT --- */
[dir="rtl"] {
  --font-sans: 'Cairo', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  text-align: right;
}

[dir="rtl"] .breadcrumbs {
  direction: rtl;
}

[dir="rtl"] .breadcrumbs .sep {
  transform: scaleX(-1);
}

[dir="rtl"] .contact-channel-item {
  direction: rtl;
}

[dir="rtl"] .tech-table {
  text-align: right;
}

[dir="rtl"] .pricing-feature-item svg,
[dir="rtl"] .deliverable-item svg,
[dir="rtl"] .principle-icon svg {
  margin-left: 0.65rem;
  margin-right: 0;
}

[dir="rtl"] .guarantee-box {
  border-left: none;
  border-right: 4px solid var(--color-primary);
}

[dir="rtl"] .faq-question {
  text-align: right;
}

[dir="rtl"] .faq-icon-arrow {
  margin-left: 0;
  margin-right: auto;
}

[dir="rtl"] .btn svg {
  transform: scaleX(-1);
}

[dir="rtl"] .site-header .header-inner {
  direction: rtl;
}

[dir="rtl"] .nav-links {
  direction: rtl;
}

[dir="rtl"] .footer-top-grid {
  direction: rtl;
}

[dir="rtl"] .mobile-content {
  left: 0;
  right: auto;
  box-shadow: 10px 0 30px rgba(0, 0, 0, 0.15);
  transform: translateX(-100%);
}

[dir="rtl"] .mobile-drawer.open .mobile-content {
  transform: translateX(0);
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES (OVERRIDE BASE COMPONENT STYLES)
   ========================================================================== */
@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 3rem;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .trust-pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
  .about-preview-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 992px) {
  .contact-section-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .service-detail-grid {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }
  .service-detail-card {
    padding: 2.25rem 2rem;
    margin-bottom: 2.5rem;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }
  .nav-links,
  .header-actions .btn {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .hero {
    padding-top: calc(var(--header-height) + 2rem);
    padding-bottom: 3.5rem;
  }
  .hero-headline {
    font-size: clamp(2rem, 5.5vw, 2.75rem);
    line-height: 1.12;
    overflow-wrap: break-word;
  }
  .hero-desc {
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 1.75rem;
  }
  .hero-trust {
    gap: 1.5rem;
    padding-top: 1.5rem;
  }
  .section {
    padding-top: 4.5rem;
    padding-bottom: 4.5rem;
  }
  .btn {
    white-space: normal;
    text-align: center;
    line-height: 1.3;
  }
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .process-steps-grid {
    grid-template-columns: 1fr;
  }
  .trust-pillars-grid {
    grid-template-columns: 1fr;
  }
  .service-detail-card {
    padding: 1.75rem 1.25rem;
    margin-bottom: 2rem;
  }
  .service-facts-box {
    padding: 1.5rem 1.25rem;
  }
  .service-detail-card .btn {
    width: 100%;
    text-align: center;
    justify-content: center;
  }
  .pricing-card {
    padding: 2.25rem 1.75rem;
    width: 100%;
  }
  .pricing-card .btn {
    width: 100%;
    margin-top: auto;
    text-align: center;
    justify-content: center;
  }
  .pricing-amount {
    font-size: clamp(1.4rem, 5.5vw, 2.1rem);
    line-height: 1.2;
    word-break: normal;
  }
  .deliverable-item {
    align-items: flex-start;
  }
  .deliverable-item svg {
    margin-top: 0.2rem;
    flex-shrink: 0;
  }
  .tech-table th,
  .tech-table td {
    padding: 1rem 1.15rem;
    font-size: 0.875rem;
  }
  .table-scroll-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 0.75rem;
    margin-bottom: 0.5rem;
    user-select: none;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-input, .form-textarea, .form-select {
    font-size: 16px; /* Prevents auto-zoom on mobile viewports */
  }
  .case-meta-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .case-content-layout {
    grid-template-columns: 1fr;
  }
  .case-results-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .inquiry-form-card {
    padding: 1.75rem 1.25rem;
  }
  .services-cta-banner {
    flex-direction: column;
    text-align: center;
    padding: 2.25rem 1.5rem;
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: 1rem;
  }
  .header-actions {
    gap: 0.5rem;
  }
  .lang-dropdown-btn {
    padding: 0 0.5rem;
    gap: 0.25rem;
  }
  .hero {
    padding-top: calc(var(--header-height) + 1.25rem);
    padding-bottom: 2.75rem;
  }
  .eyebrow-pill {
    padding: 0.35rem 0.75rem;
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    line-height: 1.35;
  }
  .hero-headline {
    font-size: clamp(1.75rem, 5.5vw, 2.2rem);
    line-height: 1.15;
    overflow-wrap: break-word;
  }
  .hero-desc {
    font-size: 0.95rem;
    line-height: 1.55;
    margin-bottom: 1.5rem;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
    margin-bottom: 2rem;
  }
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
  .hero-trust {
    gap: 1.25rem 1.75rem;
    padding-top: 1.25rem;
  }
  .hero-badge-overlay {
    bottom: 0.875rem;
    left: 0.875rem;
    right: 0.875rem;
    max-width: calc(100% - 1.75rem);
    padding: 0.6rem 0.85rem;
    gap: 0.65rem;
  }
  [dir="rtl"] .hero-badge-overlay {
    left: 0.875rem;
    right: 0.875rem;
  }
  .section {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }
  .service-detail-card {
    padding: 1.35rem 1rem;
    margin-bottom: 1.5rem;
  }
  .service-facts-box {
    padding: 1.25rem 0.875rem;
  }
  .service-detail-desc {
    font-size: 0.95rem;
    line-height: 1.6;
  }
  .pricing-card {
    padding: 1.75rem 1.15rem;
  }
  .pricing-amount {
    font-size: 1.6rem;
  }
  .inquiry-form-card {
    padding: 1.35rem 1rem;
  }
  .display-title {
    font-size: clamp(1.75rem, 5.5vw, 2.25rem);
    word-break: break-word;
  }
  .section-title {
    font-size: clamp(1.5rem, 4.5vw, 1.85rem);
    word-break: break-word;
  }
  .channel-value {
    font-size: 0.95rem;
    word-break: break-all;
  }
  .faq-question {
    padding: 1.25rem 1rem;
  }
}