:root {
  --bg-primary: #2A2A2B;
  --bg-surface: #3A3B3B;
  --bg-deep: #1E1E1F;
  --accent: #BDE500;
  --accent-primary: #BDE500;
  --accent-hover: #d4ff00;
  --accent-dark: #8FB800;
  --accent-glow: rgba(189, 229, 0, 0.3);
  --error: #EF4444;
  --text-primary: #FFFFFF;
  --text-secondary: #99A1AF;
  --text-hint: #6A7282;
  --border: #3D434C;
  --glass-bg: rgba(58, 59, 59, 0.58);
  --glass-border: rgba(255, 255, 255, 0.11);
  --font-en: 'Inter', sans-serif;
  --font-ar: 'Cairo', sans-serif;
  --font-main: var(--font-en);
  --nav-height: 78px;
  --radius: 8px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
  --bg-primary: #F5F5F5;
  --bg-surface: #FFFFFF;
  --bg-deep: #E8EAEE;
  --accent: #8FB800;
  --accent-primary: #8FB800;
  --accent-hover: #759900;
  --accent-glow: rgba(143, 184, 0, 0.24);
  --text-primary: #1A1A1B;
  --text-secondary: #5A6270;
  --text-hint: #6A7282;
  --border: #D6DAE0;
  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(26, 26, 27, 0.1);
}

html[dir="rtl"] {
  --font-main: var(--font-ar);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  min-width: 320px;
  font-family: var(--font-main);
  color: var(--text-primary);
  background:
    linear-gradient(90deg, rgba(189, 229, 0, 0.05) 1px, transparent 1px),
    linear-gradient(rgba(189, 229, 0, 0.04) 1px, transparent 1px),
    var(--bg-primary);
  background-size: 72px 72px, 72px 72px, auto;
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

a {
  color: inherit;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: 0;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.section {
  position: relative;
  padding: clamp(78px, 10vw, 124px) 0;
}

.section-header {
  max-width: 760px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-kicker,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  padding: 7px 12px;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  color: var(--accent-primary);
  background: rgba(189, 229, 0, 0.08);
  font-size: 0.84rem;
  font-weight: 800;
}

.section-title {
  margin-bottom: 16px;
  font-size: clamp(2rem, 5vw, 4.25rem);
}

.section-subtitle {
  max-width: 690px;
  margin: 0 auto;
  color: var(--text-secondary);
  font-size: clamp(1rem, 2vw, 1.16rem);
}

.align-start {
  margin-inline: 0;
}

.text-gradient {
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--text-primary) 12%, var(--accent-primary) 105%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-accent {
  color: var(--accent-primary);
}

.glass-card,
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 18px 58px rgba(0, 0, 0, 0.18);
}

.glass-card {
  padding: 26px;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
  transform: translateY(-8px);
  border-color: rgba(189, 229, 0, 0.42);
  box-shadow: 0 24px 68px rgba(0, 0, 0, 0.2), 0 0 32px var(--accent-glow);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  gap: 8px;
  padding: 12px 24px;
  border: 0;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  color: #000;
  background: var(--accent-primary);
  box-shadow: 0 12px 30px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px) scale(1.03);
}

.btn-secondary {
  color: var(--text-primary);
  background: transparent;
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 0 20px var(--accent-glow);
}

.preloader {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 14px;
  color: var(--text-primary);
  background: var(--bg-primary);
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

/* ─── Logo images (theme-aware) ─── */
.nav-logo-img,
.footer-logo-img,
.preloader-logo {
  height: 40px;
  width: auto;
  display: block;
}

.preloader-logo {
  height: 72px;
  animation: pulseMark 1.1s infinite alternate;
  filter: drop-shadow(0 0 18px var(--accent-glow));
}

/* Dark theme: show white logo, hide dark logo */
[data-theme="dark"] .nav-logo-img--light,
[data-theme="dark"] .footer-logo-img--light,
[data-theme="dark"] .preloader-logo--light {
  display: none;
}

/* Light theme: show dark logo, hide white logo */
[data-theme="light"] .nav-logo-img--dark,
[data-theme="light"] .footer-logo-img--dark,
[data-theme="light"] .preloader-logo--dark {
  display: none;
}

.logo-mark {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border-radius: 50%;
  color: #000;
  background: var(--accent-primary);
  font-weight: 900;
  box-shadow: 0 0 28px var(--accent-glow);
}

@keyframes pulseMark {
  to { transform: scale(1.08); filter: drop-shadow(0 0 28px var(--accent-glow)); }
}

::selection {
  color: #000;
  background: var(--accent-primary);
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 999px;
}

@media (max-width: 768px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .section {
    padding: 72px 0;
  }

  .section-header {
    margin-bottom: 36px;
  }
}