/* ===== CSS Variables - Dark Default ===== */
:root {
  --primary: #6c3ce0;
  --primary-light: #8b5cf6;
  --primary-dark: #5521c8;
  --accent: #00d4aa;
  --accent-2: #ff6b6b;
  --gradient: linear-gradient(135deg, #6c3ce0, #00d4aa);
  --gradient-hero: linear-gradient(135deg, #0a0a1a 0%, #1a103d 40%, #0d1f3c 100%);
  --gradient-card: linear-gradient(135deg, rgba(108, 60, 224, 0.1), rgba(0, 212, 170, 0.05));
  --bg: #0a0a1a;
  --bg-secondary: #12122a;
  --bg-dark: #0a0a1a;
  --text: #e8eaf6;
  --text-secondary: #94a3b8;
  --text-light: rgba(255, 255, 255, 0.7);
  --border: #1e1e3f;
  --glass: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.12);
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 12px 40px rgba(108, 60, 224, 0.25);
  --shadow-glow: 0 0 40px rgba(108, 60, 224, 0.2);
  --radius: 16px;
  --radius-lg: 24px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font-en: 'Inter', sans-serif;
  --font-ar: 'Tajawal', sans-serif;
}

[data-theme="light"] {
  --bg: #fafbff;
  --bg-secondary: #ffffff;
  --text: #1a1a2e;
  --text-secondary: #64748b;
  --border: #e2e8f0;
  --shadow: 0 4px 24px rgba(108, 60, 224, 0.06);
  --shadow-hover: 0 12px 40px rgba(108, 60, 224, 0.15);
  --gradient-card: linear-gradient(135deg, rgba(108, 60, 224, 0.05), rgba(0, 212, 170, 0.05));
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-en);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
}

[dir="rtl"] body,
[dir="rtl"] {
  font-family: var(--font-ar);
}

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

ul { list-style: none; }

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header / Navbar ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}

[data-theme="light"] .header {
  background: rgba(255, 255, 255, 0.85);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo {
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.nav-logo span {
  -webkit-text-fill-color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  inset-inline-start: 0;
  width: 0;
  height: 2.5px;
  background: var(--gradient);
  border-radius: 2px;
  transition: width var(--transition);
}

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

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

.nav-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.theme-toggle,
.lang-toggle {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  transition: all var(--transition);
  font-family: inherit;
}

.theme-toggle:hover,
.lang-toggle:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 4px 15px rgba(108, 60, 224, 0.3);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  width: 24px;
  height: 2.5px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.hero-bg-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* Floating animated orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(60px);
  opacity: 0.4;
}

.hero-orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(108, 60, 224, 0.35), transparent 70%);
  top: -10%;
  right: -5%;
  animation: orbFloat1 12s ease-in-out infinite;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 212, 170, 0.25), transparent 70%);
  bottom: -10%;
  left: -5%;
  animation: orbFloat2 15s ease-in-out infinite;
}

.hero-orb-3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.2), transparent 70%);
  top: 40%;
  left: 30%;
  animation: orbFloat3 18s ease-in-out infinite;
}

.hero-orb-4 {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(0, 212, 170, 0.15), transparent 70%);
  top: 20%;
  right: 30%;
  animation: orbFloat4 10s ease-in-out infinite;
}

@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(-40px, 30px) scale(1.05); }
  50% { transform: translate(-20px, -40px) scale(0.95); }
  75% { transform: translate(30px, 20px) scale(1.08); }
}

@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(50px, -20px) scale(1.1); }
  50% { transform: translate(30px, 40px) scale(0.9); }
  75% { transform: translate(-30px, -30px) scale(1.05); }
}

@keyframes orbFloat3 {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.3; }
  33% { transform: translate(60px, -50px) scale(1.15); opacity: 0.5; }
  66% { transform: translate(-40px, 40px) scale(0.85); opacity: 0.25; }
}

@keyframes orbFloat4 {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.3; }
  50% { transform: translate(-50px, 30px) scale(1.2); opacity: 0.5; }
}

/* Animated grid lines */
.hero-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(108, 60, 224, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108, 60, 224, 0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  z-index: 0;
  animation: gridPulse 8s ease-in-out infinite;
}

@keyframes gridPulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* Floating particles */
.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: rgba(108, 60, 224, 0.6);
  border-radius: 50%;
  animation: particleFloat ease-in-out infinite;
  box-shadow: 0 0 6px currentColor;
}

.particle:nth-child(1)  { left: 10%; top: 20%; animation-duration: 6s; animation-delay: 0s;   width: 5px; height: 5px; background: rgba(0, 212, 170, 0.6); }
.particle:nth-child(2)  { left: 20%; top: 60%; animation-duration: 7s; animation-delay: 0.3s; }
.particle:nth-child(3)  { left: 35%; top: 30%; animation-duration: 5s; animation-delay: 0s;   width: 6px; height: 6px; background: rgba(139, 92, 246, 0.5); }
.particle:nth-child(4)  { left: 50%; top: 70%; animation-duration: 8s; animation-delay: 0.5s; }
.particle:nth-child(5)  { left: 65%; top: 15%; animation-duration: 6s; animation-delay: 0.2s; width: 4px; height: 4px; background: rgba(0, 212, 170, 0.5); }
.particle:nth-child(6)  { left: 75%; top: 50%; animation-duration: 5s; animation-delay: 0s;   }
.particle:nth-child(7)  { left: 85%; top: 80%; animation-duration: 7s; animation-delay: 0.4s; width: 4px; height: 4px; background: rgba(108, 60, 224, 0.5); }
.particle:nth-child(8)  { left: 45%; top: 45%; animation-duration: 6s; animation-delay: 0.1s; background: rgba(0, 212, 170, 0.6); width: 5px; height: 5px; }
.particle:nth-child(9)  { left: 90%; top: 35%; animation-duration: 8s; animation-delay: 0s;   width: 3px; height: 3px; }
.particle:nth-child(10) { left: 5%;  top: 75%; animation-duration: 5s; animation-delay: 0.2s; width: 5px; height: 5px; background: rgba(139, 92, 246, 0.5); }

@keyframes particleFloat {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.7; }
  25% { transform: translate(15px, -30px) scale(1.2); opacity: 1; }
  50% { transform: translate(-10px, -60px) scale(0.8); opacity: 0.5; }
  75% { transform: translate(20px, -30px) scale(1.1); opacity: 0.9; }
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 8px;
  color: #ffffff;
}

.hero-content h1 span {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content .subtitle {
  font-size: 1.2rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 0.9rem;
}

.hero-content p {
  color: var(--text-light);
  font-size: 1.05rem;
  margin-bottom: 36px;
  max-width: 480px;
  line-height: 1.8;
}

/* DBA Badge */
.dba-badge {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(108, 60, 224, 0.12);
  border: 1px solid rgba(108, 60, 224, 0.25);
  border-radius: 16px;
  padding: 16px 20px;
  margin-bottom: 32px;
  max-width: 480px;
  position: relative;
  overflow: hidden;
  animation: dbaPulse 3s ease-in-out infinite;
}

.dba-badge::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(108, 60, 224, 0.08), transparent);
  animation: dbaShimmer 3s ease-in-out infinite;
}

@keyframes dbaPulse {
  0%, 100% { border-color: rgba(108, 60, 224, 0.25); }
  50% { border-color: rgba(0, 212, 170, 0.4); }
}

@keyframes dbaShimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

.dba-badge-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 6px 18px rgba(108, 60, 224, 0.35);
}

.dba-badge-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.dba-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  font-weight: 700;
}

.dba-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
}

.dba-school {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 12px;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  font-family: inherit;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  border: none;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(108, 60, 224, 0.4);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.hero .btn-outline {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}

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

.section .btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-3px);
}

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

.hero-image-wrapper {
  width: 400px;
  height: 400px;
  border-radius: 30px;
  background: var(--gradient);
  padding: 4px;
  position: relative;
  transform: rotate(3deg);
  transition: transform 0.5s ease;
}

.hero-image-wrapper:hover {
  transform: rotate(0deg) scale(1.02);
}

.hero-image-wrapper::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 32px;
  background: var(--gradient);
  z-index: -1;
  opacity: 0.5;
  filter: blur(20px);
}

.hero-image-wrapper img {
  width: 100%;
  height: 100%;
  border-radius: 28px;
  object-fit: cover;
}

.hero-image-placeholder {
  width: 100%;
  height: 100%;
  border-radius: 28px;
  background: linear-gradient(135deg, #1a103d, #0d1f3c);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
  color: rgba(255, 255, 255, 0.3);
  font-weight: 700;
}

/* ===== Section Common ===== */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header h2 {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 550px;
  margin: 0 auto;
}

.section-header .line {
  width: 50px;
  height: 4px;
  background: var(--gradient);
  border-radius: 2px;
  margin: 18px auto 0;
}

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

.about-text h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  color: var(--text);
  font-weight: 700;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-size: 0.98rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.stat-item {
  text-align: center;
  padding: 28px 16px;
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity var(--transition);
}

.stat-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.stat-item:hover::before {
  opacity: 1;
}

.stat-item .number {
  font-size: 2.4rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.stat-item .label {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 6px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ===== Services ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--bg-secondary);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all var(--transition);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

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

.service-card .icon {
  width: 60px;
  height: 60px;
  background: var(--gradient);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: 22px;
  box-shadow: 0 8px 20px rgba(108, 60, 224, 0.25);
}

.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: var(--text);
  font-weight: 700;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ===== Resume / Timeline ===== */
.resume-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.resume-column h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 28px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.resume-column h3 i {
  color: var(--primary);
}

.timeline {
  position: relative;
  padding-inline-start: 28px;
}

.timeline::before {
  content: '';
  position: absolute;
  inset-inline-start: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--accent));
}

.timeline-item {
  position: relative;
  padding-bottom: 32px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  inset-inline-start: -34px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 2px var(--primary), 0 0 12px rgba(108, 60, 224, 0.3);
}

.timeline-item .date {
  display: inline-block;
  background: var(--gradient);
  color: #fff;
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.timeline-item h4 {
  font-size: 1.1rem;
  margin-bottom: 4px;
  color: var(--text);
  font-weight: 700;
}

.timeline-item .company {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.timeline-item p {
  color: var(--text-secondary);
  font-size: 0.88rem;
}

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

.skills-column h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text);
}

.skill-item {
  margin-bottom: 22px;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}

.skill-info span {
  font-size: 0.9rem;
  font-weight: 500;
}

.skill-info .percent {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

.skill-bar {
  width: 100%;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.skill-bar .fill {
  height: 100%;
  background: var(--gradient);
  border-radius: 4px;
  width: 0;
  transition: width 1.2s ease;
  position: relative;
}

.skill-bar .fill::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 30px;
  background: rgba(255, 255, 255, 0.3);
  filter: blur(4px);
}

[dir="rtl"] .skill-bar .fill {
  background: linear-gradient(-90deg, #6c3ce0, #00d4aa);
}

/* ===== Blog Preview / Blog Page ===== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}

.blog-card {
  background: var(--bg-secondary);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  border: 1px solid var(--border);
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.blog-card-image {
  width: 100%;
  height: 200px;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.15);
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}

.blog-card-image::before {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(108, 60, 224, 0.3), transparent);
  top: -50px;
  right: -50px;
}

.blog-card-content {
  padding: 24px;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.blog-card-meta .category {
  background: var(--gradient);
  color: #fff;
  padding: 3px 12px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.75rem;
}

.blog-card-content h3 {
  font-size: 1.12rem;
  margin-bottom: 10px;
  color: var(--text);
  line-height: 1.4;
  font-weight: 700;
}

.blog-card-content p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 16px;
}

.blog-card-content .read-more {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition), color var(--transition);
}

.blog-card-content .read-more:hover {
  gap: 10px;
  color: var(--accent);
}

.view-all-link {
  text-align: center;
  margin-top: 44px;
}

/* ===== Videos ===== */
.videos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}

.video-card {
  background: var(--bg-secondary);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  border: 1px solid var(--border);
}

.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.video-card .video-embed {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
}

.video-card .video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-card-content {
  padding: 20px 24px;
}

.video-card-content h3 {
  font-size: 1.02rem;
  color: var(--text);
  margin-bottom: 6px;
  font-weight: 700;
}

.video-card-content p {
  color: var(--text-secondary);
  font-size: 0.84rem;
}

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

.contact-info h3 {
  font-size: 1.4rem;
  margin-bottom: 16px;
  color: var(--text);
  font-weight: 700;
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 28px;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 14px;
}

.contact-detail .icon-box {
  width: 48px;
  height: 48px;
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.1rem;
  flex-shrink: 0;
  transition: all var(--transition);
}

.contact-detail:hover .icon-box {
  background: var(--gradient);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 18px rgba(108, 60, 224, 0.25);
}

.contact-detail span {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

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

.social-links a {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--gradient-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.social-links a:hover {
  background: var(--gradient);
  color: #fff;
  border-color: transparent;
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(108, 60, 224, 0.3);
}

.contact-form {
  background: var(--bg-secondary);
  padding: 36px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.contact-form::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient);
}

.form-group {
  margin-bottom: 18px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  transition: all var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(108, 60, 224, 0.1);
}

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

.contact-form .btn {
  width: 100%;
  justify-content: center;
  border: none;
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-dark);
  padding: 48px 0 28px;
  border-top: none;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-content p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.86rem;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.86rem;
  transition: color var(--transition);
}

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

/* ===== Blog Page Specific ===== */
.page-hero {
  padding: 140px 0 60px;
  background: var(--gradient-hero);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(108, 60, 224, 0.15), transparent 70%);
  top: -100px;
  right: -100px;
  pointer-events: none;
}

.page-hero h1 {
  font-size: 2.6rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: #fff;
}

.page-hero p {
  color: var(--text-light);
  font-size: 1.1rem;
}

.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 8px 20px;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.86rem;
  font-weight: 500;
  transition: all var(--transition);
  font-family: inherit;
}

.filter-tab.active,
.filter-tab:hover {
  background: var(--gradient);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(108, 60, 224, 0.25);
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ===== Alternating Section Backgrounds ===== */
.section-alt {
  background: var(--gradient-card);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .hero-content p {
    margin: 0 auto 36px;
  }
  .hero-buttons {
    justify-content: center;
  }
  .hero-image-wrapper {
    width: 320px;
    height: 320px;
  }
  .about-grid,
  .resume-grid,
  .skills-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    inset-inline-end: 0;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    flex-direction: column;
    padding: 80px 32px 32px;
    gap: 20px;
    box-shadow: -4px 0 30px rgba(0, 0, 0, 0.15);
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 999;
  }

  [dir="rtl"] .nav-links {
    transform: translateX(-100%);
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .hamburger {
    display: flex;
  }

  .hero-content h1 {
    font-size: 2.4rem;
  }

  .hero-content .subtitle {
    font-size: 0.8rem;
  }

  .section {
    padding: 60px 0;
  }

  .section-header h2 {
    font-size: 1.8rem;
  }

  .about-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

  .stat-item .number {
    font-size: 1.8rem;
  }

  .blog-grid,
  .videos-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

/* ===== Overlay for mobile menu ===== */
.nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 998;
}

.nav-overlay.open {
  display: block;
}