/* ============================================
   DESIGN SYSTEM — Portfolio
   Font: Tajawal | Theme: Deep Dark + Electric
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  /* Colors */
  --bg-primary: #0a0a1a;
  --bg-secondary: #0f0f2a;
  --bg-card: rgba(15, 15, 42, 0.6);
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-glass-hover: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(255, 255, 255, 0.15);

  --accent-primary: #6c63ff;
  --accent-secondary: #7c3aed;
  --accent-gradient: linear-gradient(135deg, #6c63ff 0%, #7c3aed 50%, #a855f7 100%);
  --accent-glow: rgba(108, 99, 255, 0.3);

  --text-primary: #f1f1f8;
  --text-secondary: #a0a0c0;
  --text-muted: #6a6a8a;
  --text-accent: #8b7dff;

  --success: #22c55e;
  --warning: #f59e0b;
  --error: #ef4444;

  /* Typography */
  --font-family: 'Tajawal', sans-serif;
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 2rem;
  --fs-3xl: 2.5rem;
  --fs-4xl: 3.5rem;
  --fs-5xl: 4.5rem;

  /* 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;
  --space-5xl: 8rem;

  /* Effects */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 30px;
  --radius-full: 9999px;

  --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);
  --shadow-glow: 0 0 30px var(--accent-glow);

  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

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

ul, ol {
  list-style: none;
}

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

button {
  font-family: var(--font-family);
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
}

input, textarea, select {
  font-family: var(--font-family);
  outline: none;
  border: none;
}

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

::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--accent-primary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-secondary);
}

/* ---------- Utilities ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section {
  padding: var(--space-5xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-4xl);
}

.section-header .section-label {
  display: inline-block;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: var(--space-md);
  position: relative;
  padding: var(--space-xs) var(--space-lg);
  background: rgba(108, 99, 255, 0.1);
  border-radius: var(--radius-full);
  border: 1px solid rgba(108, 99, 255, 0.2);
}

.section-header h2 {
  font-size: var(--fs-3xl);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header p {
  font-size: var(--fs-md);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  font-size: var(--fs-base);
  font-weight: 700;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 40px var(--accent-glow), 0 10px 30px rgba(108, 99, 255, 0.3);
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.btn-primary:hover::after {
  opacity: 1;
}

.btn-outline {
  border: 2px solid var(--border-glass-hover);
  color: var(--text-primary);
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-3px);
  box-shadow: 0 0 20px rgba(108, 99, 255, 0.15);
}

/* Glassmorphism Card */
.glass-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  transition: all var(--transition-base);
}

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

/* Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(60px);
  transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.85);
  transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale.active {
  opacity: 1;
  transform: scale(1);
}

/* ---------- NAVBAR ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-lg) 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(10, 10, 26, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  padding: var(--space-md) 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  font-size: var(--fs-xl);
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.navbar-brand span {
  -webkit-text-fill-color: var(--text-primary);
}

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

.nav-links a {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 2px;
  transition: width var(--transition-base);
}

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

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

.nav-cta {
  padding: 10px 24px !important;
  background: var(--accent-gradient);
  border-radius: var(--radius-full) !important;
  color: #fff !important;
  font-weight: 600 !important;
  box-shadow: var(--shadow-glow);
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px var(--accent-glow);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
  padding: 5px;
}

.hamburger span {
  width: 28px;
  height: 2.5px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

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

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

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

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

.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 80%, rgba(108, 99, 255, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(124, 58, 237, 0.1) 0%, transparent 60%),
    radial-gradient(ellipse 100% 80% at 50% 50%, rgba(10, 10, 26, 0) 40%, var(--bg-primary) 100%);
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-4xl);
}

.hero-content {
  padding: var(--space-xl) 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px 20px;
  background: rgba(108, 99, 255, 0.1);
  border: 1px solid rgba(108, 99, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  color: var(--accent-primary);
  font-weight: 600;
  margin-bottom: var(--space-xl);
  animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {
  0%, 100% { box-shadow: 0 0 0 0 rgba(108, 99, 255, 0.2); }
  50% { box-shadow: 0 0 0 10px rgba(108, 99, 255, 0); }
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: blink 1.5s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero h1 {
  font-size: var(--fs-5xl);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: var(--space-md);
}

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

.hero-typing {
  font-size: var(--fs-xl);
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  min-height: 40px;
}

.hero-typing .cursor {
  display: inline-block;
  width: 3px;
  height: 1.2em;
  background: var(--accent-primary);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: cursor-blink 0.8s step-end infinite;
}

@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-description {
  font-size: var(--fs-md);
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: var(--space-2xl);
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
}

.hero-stats {
  display: flex;
  gap: var(--space-3xl);
}

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

.hero-stat .number {
  font-size: var(--fs-3xl);
  font-weight: 900;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.hero-stat .label {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

/* Hero Visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-image-wrapper {
  position: relative;
  width: 380px;
  height: 380px;
}

.hero-image-wrapper::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: var(--accent-gradient);
  z-index: 0;
  animation: rotate-glow 6s linear infinite;
}

@keyframes rotate-glow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.hero-image-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--bg-primary);
  z-index: 1;
}

.hero-image {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--bg-primary);
}

.hero-floating-card {
  position: absolute;
  padding: 12px 20px;
  background: rgba(15, 15, 42, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-sm);
  font-weight: 600;
  z-index: 3;
  animation: float 3s ease-in-out infinite;
  white-space: nowrap;
}

.hero-floating-card:nth-child(2) {
  top: 10%;
  right: -20px;
  animation-delay: 0s;
}

.hero-floating-card:nth-child(3) {
  bottom: 15%;
  left: -30px;
  animation-delay: 1s;
}

.hero-floating-card:nth-child(4) {
  bottom: 5%;
  right: -10px;
  animation-delay: 2s;
}

.hero-floating-card .icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-lg);
}

.hero-floating-card .icon.purple { background: rgba(108, 99, 255, 0.2); }
.hero-floating-card .icon.green { background: rgba(34, 197, 94, 0.2); }
.hero-floating-card .icon.orange { background: rgba(245, 158, 11, 0.2); }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ---------- ABOUT ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-4xl);
  align-items: center;
}

.about-image-container {
  position: relative;
}

.about-image {
  width: 100%;
  border-radius: var(--radius-lg);
  aspect-ratio: 4/5;
  object-fit: cover;
  border: 2px solid var(--border-glass);
}

.about-image-decoration {
  position: absolute;
  top: -20px;
  right: -20px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--accent-primary);
  border-radius: var(--radius-lg);
  opacity: 0.3;
  z-index: -1;
}

.about-experience-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  padding: 20px 30px;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-glow);
}

.about-experience-badge .number {
  font-size: var(--fs-3xl);
  font-weight: 900;
  color: #fff;
  line-height: 1;
}

.about-experience-badge .text {
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.8);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.about-content h3 {
  font-size: var(--fs-2xl);
  font-weight: 800;
  margin-bottom: var(--space-lg);
}

.about-content h3 .accent {
  color: var(--accent-primary);
}

.about-content p {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.9;
}

.about-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.about-info-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
}

.about-info-item .info-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(108, 99, 255, 0.1);
  border-radius: var(--radius-sm);
  color: var(--accent-primary);
  font-size: var(--fs-lg);
  flex-shrink: 0;
}

.about-info-item .info-label {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.about-info-item .info-value {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.about-counter-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.counter-card {
  text-align: center;
  padding: var(--space-xl);
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.counter-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-3px);
}

.counter-card .counter-number {
  font-size: var(--fs-2xl);
  font-weight: 900;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.counter-card .counter-label {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  margin-top: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---------- SKILLS ---------- */
.skills-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2xl);
}

.skill-category {
  padding: var(--space-2xl);
}

.skill-category-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.skill-category-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(108, 99, 255, 0.1);
  border-radius: var(--radius-md);
  font-size: var(--fs-xl);
}

.skill-category-header h3 {
  font-size: var(--fs-lg);
  font-weight: 700;
}

.skill-item {
  margin-bottom: var(--space-lg);
}

.skill-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.skill-name {
  font-size: var(--fs-sm);
  font-weight: 600;
}

.skill-percentage {
  font-size: var(--fs-sm);
  color: var(--accent-primary);
  font-weight: 700;
}

.skill-bar {
  width: 100%;
  height: 8px;
  background: rgba(108, 99, 255, 0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  width: 0;
  transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.skill-bar-fill::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 10px var(--accent-primary);
  opacity: 0;
  transition: opacity 0.3s ease 1s;
}

.skill-bar-fill.animated::after {
  opacity: 1;
}

/* Tech Tags */
.tech-marquee {
  margin-top: var(--space-3xl);
  overflow: hidden;
  position: relative;
}

.tech-marquee::before,
.tech-marquee::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100px;
  z-index: 2;
}

.tech-marquee::before {
  left: 0;
  background: linear-gradient(90deg, var(--bg-primary), transparent);
}

.tech-marquee::after {
  right: 0;
  background: linear-gradient(-90deg, var(--bg-primary), transparent);
}

.tech-marquee-track {
  display: flex;
  gap: var(--space-lg);
  animation: marquee 30s linear infinite;
  width: max-content;
}

.tech-tag {
  padding: 10px 24px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
  transition: all var(--transition-base);
}

.tech-tag:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: rgba(108, 99, 255, 0.1);
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ---------- EXPERIENCE ---------- */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, var(--accent-primary), transparent);
}

.timeline-item {
  display: flex;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
  text-align: right;
}

.timeline-item:nth-child(odd) .timeline-content {
  align-items: flex-end;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: 30px;
  transform: translateX(-50%);
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-gradient);
  border: 3px solid var(--bg-primary);
  box-shadow: 0 0 15px var(--accent-glow);
  z-index: 2;
}

.timeline-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.timeline-card {
  padding: var(--space-xl);
  max-width: 400px;
}

.timeline-date {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--space-sm);
}

.timeline-card h3 {
  font-size: var(--fs-lg);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.timeline-card .company {
  font-size: var(--fs-sm);
  color: var(--text-accent);
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.timeline-card p {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: 1.8;
}

.timeline-card .tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.timeline-card .tech-stack span {
  padding: 4px 12px;
  font-size: var(--fs-xs);
  background: rgba(108, 99, 255, 0.1);
  color: var(--accent-primary);
  border-radius: var(--radius-full);
  font-weight: 600;
}

/* ---------- PROJECTS ---------- */
.projects-filter {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 28px;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-full);
  background: var(--bg-glass);
  transition: all var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent-gradient);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-glow);
}

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

.project-card {
  overflow: hidden;
  position: relative;
}

/* Make project cards consistent height and align content vertically
   - use column flex so images sit on top and info fills remaining space
   - ensure project-info stretches so titles/descriptions align across grid */
.project-card {
  display: flex;
  flex-direction: column;
}

/* Force the image wrapper to a consistent height so cards align even before images load */
.project-card > div:first-child {
  height: 220px;
  overflow: hidden;
}

.project-image {
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-image {
  transform: scale(1.05);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: linear-gradient(to bottom, transparent 40%, rgba(10, 10, 26, 0.9) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: var(--space-lg);
  gap: var(--space-md);
}

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

.project-overlay-btn {
  padding: 10px 20px;
  font-size: var(--fs-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  color: #fff;
  transition: all var(--transition-fast);
}

.project-overlay-btn.primary {
  background: var(--accent-gradient);
}

.project-overlay-btn.secondary {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
}

.project-info {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  justify-content: space-between; /* push meta/tags to the bottom */
  flex: 1 1 auto;
}

@media (max-width: 768px) {
  .project-card > div:first-child {
    height: 160px;
  }
  .project-image {
    min-height: 160px;
  }
}

.project-info h3 {
  font-size: var(--fs-lg);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.project-info p {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.project-tags span {
  padding: 4px 14px;
  font-size: var(--fs-xs);
  background: rgba(108, 99, 255, 0.1);
  color: var(--accent-primary);
  border-radius: var(--radius-full);
  font-weight: 600;
}

/* ---------- TESTIMONIALS ---------- */
.testimonials-slider-container {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.testimonials-slider {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.testimonial-card {
  min-width: 100%;
  padding: var(--space-3xl);
  text-align: center;
}

.testimonial-quote {
  font-size: var(--fs-xl);
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: var(--space-2xl);
  font-style: italic;
  position: relative;
}

.testimonial-quote::before {
  content: '"';
  font-size: 5rem;
  color: var(--accent-primary);
  opacity: 0.3;
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}

.testimonial-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-primary);
}

.testimonial-author-info h4 {
  font-size: var(--fs-base);
  font-weight: 700;
}

.testimonial-author-info p {
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  justify-content: center;
  margin-bottom: var(--space-xl);
  color: var(--warning);
  font-size: var(--fs-lg);
}

.testimonials-controls {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.slider-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-lg);
  transition: all var(--transition-base);
}

.slider-btn:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
}

.slider-dots {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-glass);
  cursor: pointer;
  transition: all var(--transition-base);
}

.slider-dot.active {
  background: var(--accent-primary);
  box-shadow: 0 0 10px var(--accent-glow);
  transform: scale(1.2);
}

/* ---------- BLOG ---------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.blog-card {
  overflow: hidden;
}

.blog-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  transition: transform var(--transition-slow);
}

.blog-card:hover .blog-image {
  transform: scale(1.05);
}

.blog-content {
  padding: var(--space-xl);
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.blog-category {
  padding: 4px 12px;
  background: rgba(108, 99, 255, 0.1);
  color: var(--accent-primary);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 700;
}

.blog-date {
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

.blog-content h3 {
  font-size: var(--fs-lg);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  transition: color var(--transition-fast);
}

.blog-card:hover .blog-content h3 {
  color: var(--accent-primary);
}

.blog-content p {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.blog-read-more {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--accent-primary);
  transition: gap var(--transition-fast);
}

.blog-read-more:hover {
  gap: var(--space-md);
}

/* ---------- CONTACT ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

.contact-info h3 {
  font-size: var(--fs-2xl);
  font-weight: 800;
  margin-bottom: var(--space-lg);
}

.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
  line-height: 1.8;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.contact-detail-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(108, 99, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--accent-primary);
  font-size: var(--fs-lg);
  flex-shrink: 0;
}

.contact-detail-item h4 {
  font-size: var(--fs-sm);
  font-weight: 600;
}

.contact-detail-item p {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

.contact-socials {
  display: flex;
  gap: var(--space-md);
}

.social-link {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: var(--fs-lg);
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

/* Contact Form */
.contact-form-wrapper {
  padding: var(--space-2xl);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--fs-base);
  transition: all var(--transition-base);
}

.form-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.15);
  background: rgba(255, 255, 255, 0.05);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input.error {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-input.success {
  border-color: var(--success);
}

.form-error {
  font-size: var(--fs-xs);
  color: var(--error);
  margin-top: var(--space-xs);
  display: none;
}

.form-error.visible {
  display: block;
}

textarea.form-input {
  resize: vertical;
  min-height: 140px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.form-submit-btn {
  width: 100%;
  padding: 16px;
  font-size: var(--fs-base);
  font-weight: 700;
}

.form-success-message {
  display: none;
  text-align: center;
  padding: var(--space-xl);
  color: var(--success);
  font-weight: 600;
}

.form-success-message.visible {
  display: block;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- FOOTER ---------- */
.footer {
  padding: var(--space-4xl) 0 var(--space-xl);
  border-top: 1px solid var(--border-glass);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
}

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

.footer-brand h3 {
  font-size: var(--fs-xl);
  font-weight: 800;
  margin-bottom: var(--space-md);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.footer-column h4 {
  font-size: var(--fs-base);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}

.footer-column a {
  display: block;
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  transition: all var(--transition-fast);
}

.footer-column a:hover {
  color: var(--accent-primary);
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-glass);
}

.footer-bottom p {
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-xl);
}

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

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

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-lg);
  box-shadow: var(--shadow-glow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: 999;
  cursor: pointer;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 30px var(--accent-glow);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content { order: 2; }
  .hero-visual { order: 1; }

  .hero-description {
    margin: 0 auto var(--space-2xl);
  }

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

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

  .hero-image-wrapper {
    width: 280px;
    height: 280px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-content {
    order: 2;
  }

  .about-image-container {
    order: 1;
    max-width: 350px;
    margin: 0 auto;
  }

  .about-info-grid {
    justify-content: center;
  }

  .skills-categories {
    grid-template-columns: 1fr;
  }

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

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

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

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

  .timeline::before {
    left: 20px;
  }

  .timeline-item,
  .timeline-item:nth-child(odd) {
    flex-direction: column;
    text-align: left;
    padding-left: 50px;
  }

  .timeline-item:nth-child(odd) .timeline-content {
    align-items: flex-start;
  }

  .timeline-dot {
    left: 20px;
    top: 0;
  }
}

@media (max-width: 768px) {
  :root {
    --fs-5xl: 2.8rem;
    --fs-4xl: 2.2rem;
    --fs-3xl: 1.8rem;
    --fs-2xl: 1.5rem;
  }

  .section {
    padding: var(--space-4xl) 0;
  }

  .container {
    padding: 0 var(--space-lg);
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: rgba(10, 10, 26, 0.97);
    backdrop-filter: blur(30px);
    flex-direction: column;
    justify-content: center;
    padding: var(--space-3xl);
    transition: right var(--transition-base);
    border-left: 1px solid var(--border-glass);
    z-index: 1000;
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links a {
    font-size: var(--fs-lg);
    padding: var(--space-md) 0;
  }

  .hamburger {
    display: flex;
  }

  .hero-stats {
    gap: var(--space-xl);
  }

  .hero-floating-card {
    display: none;
  }

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

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

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

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

@media (max-width: 480px) {
  :root {
    --fs-5xl: 2.2rem;
    --fs-4xl: 1.8rem;
    --fs-3xl: 1.5rem;
  }

  .hero-image-wrapper {
    width: 220px;
    height: 220px;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-lg);
  }

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

  .hero-cta .btn {
    width: 100%;
    justify-content: center;
  }

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

  .about-counter-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }

  .projects-filter {
    gap: var(--space-sm);
  }

  .filter-btn {
    padding: 8px 18px;
    font-size: var(--fs-xs);
  }

  .testimonial-card {
    padding: var(--space-xl);
  }

  .testimonial-quote {
    font-size: var(--fs-md);
  }
}

/* ---------- Preloader ---------- */
.preloader {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.preloader-spinner {
  width: 50px;
  height: 50px;
  border: 3px solid var(--border-glass);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Mobile nav overlay */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

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

/* ============================================
   SUB-PAGE STYLES
   ============================================ */

/* ---------- Page Hero Banner ---------- */
.page-hero {
  padding: 160px 0 80px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 60% 50% at 30% 70%, rgba(108, 99, 255, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 70% 30%, rgba(124, 58, 237, 0.06) 0%, transparent 60%);
  border-bottom: 1px solid var(--border-glass);
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.page-hero-content {
  max-width: 800px;
}

.page-hero-content.centered {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.page-hero h1 {
  font-size: var(--fs-4xl);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-hero p {
  font-size: var(--fs-md);
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 600px;
}

.page-hero-content.centered p {
  margin: 0 auto;
}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.breadcrumbs a {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

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

.breadcrumbs .separator {
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.breadcrumbs .current {
  font-size: var(--fs-sm);
  color: var(--accent-primary);
  font-weight: 600;
}

/* ---------- Article / Prose ---------- */
.article-layout {
  max-width: 820px;
  margin: 0 auto;
}

.prose {
  color: var(--text-secondary);
  line-height: 1.9;
  font-size: var(--fs-md);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.prose h1 {
  font-size: var(--fs-3xl, 2.25rem);
  font-weight: 900;
  color: var(--text-primary);
  margin: var(--space-3xl) 0 var(--space-xl);
  line-height: 1.25;
}

.prose h2 {
  font-size: var(--fs-2xl);
  font-weight: 800;
  color: var(--text-primary);
  margin: var(--space-3xl) 0 var(--space-lg);
  line-height: 1.3;
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-glass);
}

.prose h3 {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin: var(--space-2xl) 0 var(--space-md);
  line-height: 1.3;
}

.prose h4 {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin: var(--space-xl) 0 var(--space-md);
  line-height: 1.4;
}

.prose p {
  margin-bottom: var(--space-lg);
}

.prose ul,
.prose ol {
  margin-bottom: var(--space-lg);
  padding-left: var(--space-xl);
}

.prose ul {
  list-style: disc;
}

.prose ol {
  list-style: decimal;
}

.prose li {
  margin-bottom: var(--space-sm);
  line-height: 1.8;
}

.prose li > ul,
.prose li > ol {
  margin-top: var(--space-xs, 0.25rem);
  margin-bottom: 0;
}

.prose a {
  color: var(--accent-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.prose a:hover {
  color: var(--text-accent);
}

.prose blockquote {
  border-left: 4px solid var(--accent-primary);
  padding: var(--space-lg) var(--space-xl);
  margin: var(--space-2xl) 0;
  background: var(--bg-glass);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-primary);
  font-style: italic;
  font-size: var(--fs-lg);
}

.prose blockquote p:last-child {
  margin-bottom: 0;
}

.prose pre {
  background: rgba(15, 15, 42, 0.8);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  margin: var(--space-2xl) 0;
  overflow-x: auto;
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: var(--fs-sm);
  color: var(--text-primary);
  line-height: 1.8;
}

.prose code {
  background: rgba(108, 99, 255, 0.12);
  color: var(--text-accent);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.9em;
  font-family: 'Fira Code', 'Courier New', monospace;
}

.prose pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

.prose img {
  width: 100%;
  border-radius: var(--radius-lg);
  margin: var(--space-2xl) 0;
  border: 1px solid var(--border-glass);
}

.prose strong {
  color: var(--text-primary);
  font-weight: 700;
}

.prose em {
  font-style: italic;
}

.prose u {
  text-underline-offset: 3px;
}

.prose s,
.prose del {
  text-decoration: line-through;
  opacity: 0.7;
}

/* Horizontal rules (---) */
.prose hr {
  border: none;
  border-top: 1px solid var(--border-glass);
  margin: var(--space-3xl) 0;
}

/* Tables */
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-2xl) 0;
  font-size: var(--fs-sm);
}

.prose th,
.prose td {
  padding: var(--space-md) var(--space-lg);
  border: 1px solid var(--border-glass);
  text-align: left;
}

.prose th {
  background: var(--bg-glass);
  color: var(--text-primary);
  font-weight: 700;
}

.prose td {
  color: var(--text-secondary);
}

.prose tr:hover td {
  background: rgba(108, 99, 255, 0.04);
}

/* Embedded media / iframes */
.prose iframe {
  width: 100%;
  border-radius: var(--radius-md);
  margin: var(--space-2xl) 0;
  border: 1px solid var(--border-glass);
}

/* Figures with captions (from RichEditor file attachments) */
.prose figure {
  margin: var(--space-2xl) 0;
}

.prose figcaption {
  text-align: center;
  font-size: var(--fs-sm);
  color: var(--text-muted);
  margin-top: var(--space-sm);
}

/* First child in prose should not have top margin */
.prose > *:first-child {
  margin-top: 0;
}

/* Last child in prose should not have bottom margin */
.prose > *:last-child {
  margin-bottom: 0;
}

/* ---------- Article Meta ---------- */
.article-meta {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.article-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.article-meta-item .meta-icon {
  color: var(--accent-primary);
}

.article-cover {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-3xl);
  border: 1px solid var(--border-glass);
}

/* ---------- Sidebar ---------- */
.sidebar {
  position: sticky;
  top: 100px;
}

.sidebar-widget {
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.sidebar-widget h4 {
  font-size: var(--fs-base);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-glass);
}

/* Table of Contents */
.toc-list {
  display: flex;
  flex-direction: column;
}

.toc-list a {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  padding: var(--space-sm) 0;
  padding-left: var(--space-md);
  border-left: 2px solid var(--border-glass);
  transition: all var(--transition-fast);
}

.toc-list a:hover,
.toc-list a.active {
  color: var(--accent-primary);
  border-left-color: var(--accent-primary);
  background: rgba(108, 99, 255, 0.05);
}

/* Author Card */
.author-card {
  text-align: center;
}

.author-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto var(--space-md);
  border: 2px solid var(--accent-primary);
}

.author-card h4 {
  border: none !important;
  margin-bottom: var(--space-xs) !important;
  padding-bottom: 0 !important;
}

.author-card p {
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

/* Share Buttons */
.share-links {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.share-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  transition: all var(--transition-base);
}

.share-link:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #fff;
  transform: translateY(-2px);
}

/* ---------- Project Detail ---------- */
.project-detail-grid {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: var(--space-3xl);
  align-items: start;
}

.project-detail-cover {
  width: 100%;
  height: 450px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-3xl);
  border: 1px solid var(--border-glass);
}

.project-sidebar-card {
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.project-sidebar-card h4 {
  font-size: var(--fs-base);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}

.project-meta-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.project-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-glass);
}

.project-meta-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.project-meta-row .meta-label {
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.project-meta-row .meta-value {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.project-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.project-tech-tags span {
  padding: 6px 14px;
  font-size: var(--fs-xs);
  background: rgba(108, 99, 255, 0.1);
  color: var(--accent-primary);
  border-radius: var(--radius-full);
  font-weight: 600;
}

.project-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.project-links .btn {
  width: 100%;
  justify-content: center;
}

/* Feature Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin: var(--space-2xl) 0;
}

.feature-card {
  padding: var(--space-xl);
}

.feature-card .feature-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(108, 99, 255, 0.1);
  border-radius: var(--radius-md);
  font-size: var(--fs-xl);
  margin-bottom: var(--space-md);
}

.feature-card h4 {
  font-size: var(--fs-base);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.feature-card p {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Screenshot Gallery */
.screenshot-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin: var(--space-2xl) 0;
}

.screenshot-gallery img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
  transition: transform var(--transition-base);
  cursor: pointer;
}

.screenshot-gallery img:hover {
  transform: scale(1.03);
}

/* ---------- Related Items Grid ---------- */
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

/* ---------- Legal / Policy Pages ---------- */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content .prose h2 {
  font-size: var(--fs-xl);
}

.legal-content .prose h2:first-of-type {
  margin-top: 0;
}

.legal-content .last-updated {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-3xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border-glass);
}

/* ---------- 404 Page ---------- */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-3xl);
}

.error-content {
  max-width: 600px;
}

.error-code {
  font-size: 10rem;
  font-weight: 900;
  line-height: 1;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-lg);
  text-shadow: none;
  animation: glitch 3s ease-in-out infinite;
}

@keyframes glitch {
  0%, 90%, 100% { opacity: 1; }
  92% { opacity: 0.8; transform: translate(-2px, 1px); }
  94% { opacity: 0.9; transform: translate(1px, -1px); }
  96% { opacity: 0.7; transform: translate(-1px, 2px); }
  98% { opacity: 1; transform: translate(0, 0); }
}

.error-content h2 {
  font-size: var(--fs-2xl);
  font-weight: 800;
  margin-bottom: var(--space-md);
}

.error-content p {
  font-size: var(--fs-md);
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
  line-height: 1.8;
}

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

/* ---------- Sub-page Responsive ---------- */
@media (max-width: 1024px) {
  .article-layout,
  .project-detail-grid {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .page-hero h1 {
    font-size: var(--fs-3xl);
  }
}

@media (max-width: 768px) {
  .page-hero {
    padding: 130px 0 60px;
  }

  .page-hero h1 {
    font-size: var(--fs-2xl);
  }

  .article-cover,
  .project-detail-cover {
    height: 250px;
  }

  .features-grid,
  .screenshot-gallery {
    grid-template-columns: 1fr;
  }

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

  .error-code {
    font-size: 6rem;
  }
}

@media (max-width: 480px) {
  .breadcrumbs {
    font-size: var(--fs-xs);
  }

  .article-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
}

/* ---------- WhatsApp Float Button ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 90px;
  right: 20px;
  width: 60px;
  height: 60px;
  background-color: #25d366;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  z-index: 1000;
  transition: all 0.3s ease;
  animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
  fill: white;
}

@keyframes pulse-whatsapp {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

@media (max-width: 768px) {
  .whatsapp-float {
    bottom: 80px;
    right: 15px;
    width: 55px;
    height: 55px;
  }
}