/* ========================================
   تصلحها - Premium Phone Repair Website
   ========================================
   File: css/style.css
   ======================================== */

/* ===== CSS VARIABLES ===== */
:root {
  /* Colors - Change these to rebrand the entire site */
  --primary: #D4A853;
  --primary-hover: #E8C478;
  --background: #0B0B0B;
  --card: #151515;
  --card-hover: #1A1A1A;
  --text: #FFFFFF;
  --muted: #A1A1A1;
  --border: #222222;
  --overlay: rgba(0, 0, 0, 0.6);

  /* Typography */
  --font-family: 'Cairo', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --container-max: 1200px;
  --container-padding: 1.5rem;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 16px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--text);
  background-color: var(--background);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;
}

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ===== CONTAINER ===== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ===== UTILITY ===== */
.text-accent {
  color: var(--primary);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 600;
  line-height: 1.5;
  white-space: nowrap;
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn:hover {
  transform: translateY(-2px);
}

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

.btn-primary {
  background-color: var(--primary);
  color: #000;
  border-color: var(--primary);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  box-shadow: 0 4px 20px rgba(212, 168, 83, 0.3);
}

.btn-outline {
  background-color: transparent;
  color: var(--text);
  border-color: var(--border);
}

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

.btn-lg {
  padding: 1rem 2rem;
  font-size: var(--font-size-base);
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 1000;
  background-color: rgba(11, 11, 11, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  border-bottom-color: var(--border);
  background-color: rgba(11, 11, 11, 0.95);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: var(--space-lg);
}

.navbar-logo img {
  height: 36px;
  width: auto;
  object-fit: contain;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--muted);
  position: relative;
  padding: 0.25rem 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  right: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width var(--transition-base);
}

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

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

.navbar-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  background-color: var(--primary);
  color: #000;
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 600;
  transition: all var(--transition-base);
}

.navbar-cta:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(212, 168, 83, 0.25);
}

.navbar-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-sm);
  transition: background-color var(--transition-fast);
}

.navbar-toggle:hover {
  background-color: var(--card);
}

.hamburger {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--text);
  position: relative;
  transition: all var(--transition-base);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 22px;
  height: 2px;
  background-color: var(--text);
  transition: all var(--transition-base);
}

.hamburger::before {
  top: -7px;
}

.hamburger::after {
  top: 7px;
}

.navbar-toggle.active .hamburger {
  background-color: transparent;
}

.navbar-toggle.active .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}

.navbar-toggle.active .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(212, 168, 83, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  width: 100%;
}

.hero-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background-color: rgba(212, 168, 83, 0.1);
  border: 1px solid rgba(212, 168, 83, 0.2);
  border-radius: 50px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--primary);
  margin-bottom: var(--space-lg);
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}

.hero-desc {
  font-size: var(--font-size-lg);
  color: var(--muted);
  max-width: 500px;
  margin-bottom: var(--space-2xl);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-graphic {
  width: 100%;
  max-width: 350px;
  animation: float 6s ease-in-out infinite;
}

.hero-graphic svg {
  width: 100%;
  height: auto;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* ===== SECTION COMMON ===== */
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-3xl);
}

.section-label {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: var(--font-size-lg);
  color: var(--muted);
  line-height: 1.8;
}

/* ===== SERVICES ===== */
.services {
  padding: var(--space-4xl) 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.service-card {
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-card:hover {
  background-color: var(--card-hover);
  border-color: rgba(212, 168, 83, 0.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(212, 168, 83, 0.08);
  border-radius: var(--border-radius-sm);
  color: var(--primary);
  margin-bottom: var(--space-lg);
  transition: all var(--transition-base);
}

.service-card:hover .service-icon {
  background-color: rgba(212, 168, 83, 0.15);
  transform: scale(1.05);
}

.service-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.service-desc {
  font-size: var(--font-size-sm);
  color: var(--muted);
  line-height: 1.7;
}

/* ===== WHY US ===== */
.why-us {
  padding: var(--space-4xl) 0;
  background-color: var(--card);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.why-card {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  border-radius: var(--border-radius);
  transition: all var(--transition-base);
  position: relative;
}

.why-card:hover {
  background-color: var(--background);
  transform: translateY(-4px);
}

.why-number {
  position: absolute;
  top: var(--space-md);
  left: var(--space-lg);
  font-size: var(--font-size-3xl);
  font-weight: 900;
  color: rgba(212, 168, 83, 0.08);
  line-height: 1;
}

.why-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(212, 168, 83, 0.08);
  border-radius: 50%;
  color: var(--primary);
  margin: 0 auto var(--space-lg);
  transition: all var(--transition-base);
}

.why-card:hover .why-icon {
  background-color: rgba(212, 168, 83, 0.15);
  transform: scale(1.1);
}

.why-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.why-card p {
  font-size: var(--font-size-sm);
  color: var(--muted);
  line-height: 1.7;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
  padding: var(--space-4xl) 0;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 50px;
  right: calc(16.66% + var(--space-lg) / 2);
  left: calc(16.66% + var(--space-lg) / 2);
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--border), var(--primary));
  opacity: 0.3;
}

.step-card {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  position: relative;
}

.step-number {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--primary);
  background-color: rgba(212, 168, 83, 0.1);
  border: 1px solid rgba(212, 168, 83, 0.2);
  border-radius: 50px;
  padding: 0.25rem 0.75rem;
  margin-bottom: var(--space-lg);
}

.step-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--primary);
  margin: 0 auto var(--space-lg);
  transition: all var(--transition-base);
}

.step-card:hover .step-icon {
  border-color: var(--primary);
  background-color: rgba(212, 168, 83, 0.05);
  transform: scale(1.05);
}

.step-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.step-card p {
  font-size: var(--font-size-sm);
  color: var(--muted);
  line-height: 1.7;
}

/* ===== CTA SECTION ===== */
.cta-section {
  padding: var(--space-4xl) 0;
}

.cta-inner {
  text-align: center;
  background: linear-gradient(135deg, var(--card) 0%, rgba(212, 168, 83, 0.05) 100%);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-4xl) var(--space-2xl);
  position: relative;
  overflow: hidden;
}

.cta-inner::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(212, 168, 83, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  margin-bottom: var(--space-md);
}

.cta-desc {
  font-size: var(--font-size-lg);
  color: var(--muted);
  margin-bottom: var(--space-2xl);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-btn {
  position: relative;
  z-index: 1;
}

/* ===== CONTACT ===== */
.contact {
  padding: var(--space-4xl) 0;
  background-color: var(--card);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.contact-card {
  text-align: center;
  padding: var(--space-2xl);
  background-color: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  transition: all var(--transition-base);
}

.contact-card:hover {
  border-color: rgba(212, 168, 83, 0.2);
  transform: translateY(-4px);
}

.contact-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(212, 168, 83, 0.08);
  border-radius: 50%;
  color: var(--primary);
  margin: 0 auto var(--space-lg);
}

.contact-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.contact-value {
  font-size: var(--font-size-sm);
  color: var(--muted);
  line-height: 1.7;
}

.contact-value a {
  color: var(--primary);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.contact-value a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

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

/* ===== FOOTER ===== */
.footer {
  padding: var(--space-3xl) 0 var(--space-xl);
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
  text-align: center;
}

.footer-brand img {
  height: 32px;
  width: auto;
  margin: 0 auto var(--space-md);
}

.footer-brand p {
  font-size: var(--font-size-sm);
  color: var(--muted);
  max-width: 400px;
}

.footer-links {
  display: flex;
  gap: var(--space-xl);
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  font-size: var(--font-size-sm);
  color: var(--muted);
  transition: color var(--transition-fast);
}

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

.footer-copy {
  font-size: var(--font-size-xs);
  color: var(--muted);
  opacity: 0.6;
}

/* ===== FLOATING WHATSAPP BUTTON ===== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  left: 24px;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: all var(--transition-base);
  animation: pulse-whatsapp 2s ease-in-out infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
  animation: none;
}

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

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

/* Stagger children */
.stagger-children .fade-up:nth-child(1) { transition-delay: 0.05s; }
.stagger-children .fade-up:nth-child(2) { transition-delay: 0.1s; }
.stagger-children .fade-up:nth-child(3) { transition-delay: 0.15s; }
.stagger-children .fade-up:nth-child(4) { transition-delay: 0.2s; }
.stagger-children .fade-up:nth-child(5) { transition-delay: 0.25s; }
.stagger-children .fade-up:nth-child(6) { transition-delay: 0.3s; }

/* ===== MOBILE MENU OVERLAY ===== */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: var(--overlay);
  z-index: 998;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.mobile-overlay.active {
  opacity: 1;
}

/* ===== RESPONSIVE ===== */

/* Tablet: 768px */
@media (max-width: 1024px) {
  .hero-inner {
    gap: var(--space-2xl);
  }

  .hero-title {
    font-size: var(--font-size-4xl);
  }

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

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

  .steps-grid::before {
    display: none;
  }
}

/* Mobile: 768px and below */
@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.75rem;
  }

  .navbar-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--card);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4xl) var(--space-xl);
    gap: var(--space-lg);
    transition: right var(--transition-base);
    z-index: 999;
    border-left: 1px solid var(--border);
  }

  .navbar-menu.active {
    right: 0;
  }

  .nav-link {
    font-size: var(--font-size-lg);
    width: 100%;
    padding: var(--space-sm) 0;
  }

  .nav-link::after {
    display: none;
  }

  .navbar-cta {
    display: none;
  }

  .navbar-toggle {
    display: flex;
  }

  .mobile-overlay {
    display: block;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-2xl);
  }

  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
  }

  .hero-graphic {
    max-width: 220px;
  }

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

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

  .steps-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

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

  .cta-inner {
    padding: var(--space-3xl) var(--space-lg);
  }

  .whatsapp-float {
    bottom: 16px;
    left: 16px;
    width: 54px;
    height: 54px;
  }
}

/* Small Mobile: 375px and below */
@media (max-width: 375px) {
  :root {
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.75rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
  }

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

  .footer-links {
    flex-direction: column;
    gap: var(--space-md);
  }
}

/* Large Desktop: 1440px+ */
@media (min-width: 1440px) {
  .container {
    max-width: 1320px;
  }

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

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .fade-up {
    opacity: 1;
    transform: none;
  }
}

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===== PRINT STYLES ===== */
@media print {
  .navbar,
  .whatsapp-float,
  .hero-visual {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }
}