/* ============================================
   PORTFOLIO - Hack The Box Inspired Design
   Cybersecurity Terminal Aesthetic
   ============================================ */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */
:root {
  /* ========== LIGHT MODE - Clean Enterprise ========== */
  --bg-primary: #F8FAFC;
  --bg-secondary: #F1F5F9;
  --bg-cards: #FFFFFF;
  --bg-dark-section: #0F172A;

  /* Light Mode Text */
  --text-primary: #0F172A;
  --text-secondary: #334155;
  --text-muted: #64748B;
  --text-light: #F8FAFC;

  /* Light Mode Accents */
  --accent: #3FAE2A;
  --accent-hover: #2F8F1F;
  --accent-soft: #DFF7D9;
  --accent-teal: #0EA5A5;
  --accent-cyan: #38BDF8;
  --accent-info: #38BDF8;

  /* Light Mode Borders & Shadows */
  --border-color: #CBD5E1;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --glow-accent: none;

  /* Typography */
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 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: 3rem;
  --font-size-5xl: 4rem;
  --font-size-hero: clamp(3rem, 8vw, 6rem);

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

  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  --radius-full: 9999px;

  /* Refined Transitions - Smooth ease-in-out */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ========== DARK MODE - Hack The Box Inspired ========== */
[data-theme="dark"] {
  /* Dark Mode Backgrounds */
  --bg-primary: #0B0F14;
  --bg-secondary: #111927;
  --bg-cards: #151E2E;
  --bg-dark-section: #0B0F14;

  /* Dark Mode Text */
  --text-primary: #E5E7EB;
  --text-secondary: #9CA3AF;
  --text-muted: #6B7280;
  --text-light: #0B0F14;

  /* Dark Mode Neon Accents */
  --accent: #9FEF00;
  --accent-hover: #B6FF2A;
  --accent-soft: rgba(159, 239, 0, 0.15);
  --accent-teal: #0FB9B1;
  --accent-cyan: #2DD4BF;
  --accent-info: #38BDF8;

  /* Dark Mode Borders & Glows */
  --border-color: #1E293B;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --glow-accent: 0 0 20px rgba(159, 239, 0, 0.35);
  --glow-accent-sm: 0 0 10px rgba(159, 239, 0, 0.25);
}

/* ============================================
   HTB Neon Glow Effects (Dark Mode Only)
   ============================================ */

/* Accent text glow in dark mode */
[data-theme="dark"] .nav__link:hover,
[data-theme="dark"] .nav__link.active {
  color: var(--accent);
  text-shadow: var(--glow-accent-sm);
}

[data-theme="dark"] .nav__link::after {
  background-color: var(--accent);
  box-shadow: var(--glow-accent-sm);
}

/* Button glow effects */
[data-theme="dark"] .cta__button,
[data-theme="dark"] .contact__link:hover,
[data-theme="dark"] .about__social-link:hover,
[data-theme="dark"] .footer__social-link:hover {
  box-shadow: var(--glow-accent);
}

/* Card hover glow */
[data-theme="dark"] .project-card:hover,
[data-theme="dark"] .skill-category:hover,
[data-theme="dark"] .cert-card:hover {
  box-shadow: var(--glow-accent-sm), var(--shadow-lg);
  border-color: var(--accent);
}

/* Accent elements glow */
[data-theme="dark"] .about__highlight:hover,
[data-theme="dark"] .skill-tag:hover {
  background: var(--accent);
  color: var(--bg-primary);
  box-shadow: var(--glow-accent-sm);
}

/* Logo glow on hover */
[data-theme="dark"] .nav__logo:hover {
  box-shadow: var(--glow-accent);
}

/* Theme toggle glow */
[data-theme="dark"] .theme-toggle {
  box-shadow: inset 0 0 0 1px var(--accent);
}

/* Hero typewriter cursor in dark mode */
[data-theme="dark"] .hero__subtitle {
  border-right-color: var(--accent);
}

/* ============================================
   Dark Mode Visibility Fixes
   ============================================ */

/* Hero illustration box */
[data-theme="dark"] .hero__illustration {
  background: var(--bg-cards);
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .hero__illustration-placeholder {
  color: var(--text-secondary);
}

/* Skill categories */
[data-theme="dark"] .skill-category {
  background: var(--bg-cards);
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .skill-category__title {
  color: var(--text-primary);
}

/* Skill tags */
[data-theme="dark"] .skill-tag {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

/* Cert cards */
[data-theme="dark"] .cert-card {
  background: var(--bg-cards);
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .cert-card__title {
  color: var(--text-primary);
}

[data-theme="dark"] .cert-card__issuer {
  color: var(--text-secondary);
}

[data-theme="dark"] .cert-card__link {
  color: var(--accent);
}

/* Project cards */
[data-theme="dark"] .project-card {
  border: 1px solid var(--border-color);
}

/* CTA Box */
[data-theme="dark"] .cta__box {
  background: var(--bg-cards);
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .cta__title,
[data-theme="dark"] .cta__subtitle {
  color: var(--text-primary);
}

[data-theme="dark"] .cta__description {
  color: var(--text-secondary);
}

[data-theme="dark"] .cta__button {
  background: var(--accent);
  color: var(--bg-primary);
}

[data-theme="dark"] .cta__button:hover {
  background: var(--accent-hover);
}

/* About section */
[data-theme="dark"] .about__bio {
  color: var(--text-secondary);
}

[data-theme="dark"] .about__highlight {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

/* Contact section */
[data-theme="dark"] .contact__link {
  background: var(--bg-cards);
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .contact__link-icon {
  color: var(--accent);
}

[data-theme="dark"] .contact__link-label {
  color: var(--text-muted);
}

[data-theme="dark"] .contact__link-value {
  color: var(--text-primary);
}

/* Footer */
[data-theme="dark"] .footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

[data-theme="dark"] .footer__social-link {
  color: var(--text-secondary);
}

[data-theme="dark"] .footer__social-link:hover {
  color: var(--accent);
}

/* Filter buttons */
[data-theme="dark"] .filter-btn {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .filter-btn:hover,
[data-theme="dark"] .filter-btn.active {
  background: var(--accent);
  color: var(--bg-primary);
  border-color: var(--accent);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition-base), color var(--transition-base);
  overflow-x: hidden;
}

/* ============================================
   Premium Cinematic Animation System
   ============================================ */

/* Page wrapper base */
.page-wrapper {
  min-height: 100vh;
}

/* ========== Page Transition Animations ========== */

/* Page enter - elegant fade with gentle rise */
.page-enter {
  animation: cinematicEnter 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

/* Page exit - smooth fade with subtle lift */
.page-exit {
  animation: cinematicExit 0.5s cubic-bezier(0.55, 0.06, 0.68, 0.19) forwards;
}

@keyframes cinematicEnter {
  0% {
    opacity: 0;
    transform: translateY(60px) scale(0.98);
    filter: blur(4px);
  }

  60% {
    opacity: 0.8;
    filter: blur(0px);
  }

  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0px);
  }
}

@keyframes cinematicExit {
  0% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }

  100% {
    opacity: 0;
    transform: translateY(-40px) scale(0.98);
  }
}

/* ========== Element Reveal Animations ========== */

/* Base reveal class */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Staggered reveal delays for layered effect */
.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

.reveal-delay-4 {
  transition-delay: 0.4s;
}

.reveal-delay-5 {
  transition-delay: 0.5s;
}

.reveal-delay-6 {
  transition-delay: 0.6s;
}

/* Hero-specific animations - Typewriter + Pop Effects */

/* Typewriter animation for text */
.hero__subtitle {
  opacity: 0;
  overflow: hidden;
  white-space: nowrap;
  border-right: 2px solid var(--accent);
  animation:
    typewriter 0.6s steps(12) 0.3s forwards,
    blinkCursor 0.5s step-end 3;
}

.hero__title {
  opacity: 0;
  overflow: hidden;
  animation:
    typewriterTitle 0.5s steps(8) 0.5s forwards;
}

.hero__description {
  opacity: 0;
  animation: fadeSlideUp 0.6s ease-out 0.9s forwards;
}

/* Pop + Fade animation for visuals */
.hero__visual {
  opacity: 0;
  transform: scale(0.5);
  animation: popFadeIn 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) 0.6s forwards;
}

.hero__illustration,
.about__image,
.contact__illustration,
.cert-card__logo,
.skill-category__icon {
  opacity: 0;
  transform: scale(0.5);
  animation: popFadeIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.7s forwards;
}

/* Typewriter keyframes */
@keyframes typewriter {
  0% {
    opacity: 1;
    width: 0;
  }

  100% {
    opacity: 1;
    width: 100%;
  }
}

@keyframes typewriterTitle {
  0% {
    opacity: 1;
    clip-path: inset(0 100% 0 0);
  }

  100% {
    opacity: 1;
    clip-path: inset(0 0 0 0);
  }
}

@keyframes blinkCursor {

  0%,
  100% {
    border-color: var(--accent);
  }

  50% {
    border-color: transparent;
  }
}

/* Fade slide up for descriptions */
@keyframes fadeSlideUp {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Pop + Fade In animation */
@keyframes popFadeIn {
  0% {
    opacity: 0;
    transform: scale(0.5);
  }

  70% {
    transform: scale(1.05);
  }

  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* ========== Navigation Pop Animation ========== */
.nav {
  opacity: 0;
  animation: navPopIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.1s forwards;
}

.nav__logo {
  opacity: 0;
  transform: scale(0.5);
  animation: popFadeIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) 0.15s forwards;
}

.nav__link {
  opacity: 0;
  transform: translateY(-15px) scale(0.9);
  animation: navItemPop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* Staggered nav items */
.nav__menu li:nth-child(1) .nav__link {
  animation-delay: 0.2s;
}

.nav__menu li:nth-child(2) .nav__link {
  animation-delay: 0.25s;
}

.nav__menu li:nth-child(3) .nav__link {
  animation-delay: 0.3s;
}

.nav__menu li:nth-child(4) .nav__link {
  animation-delay: 0.35s;
}

.nav__menu li:nth-child(5) .nav__link {
  animation-delay: 0.4s;
}

.theme-toggle {
  opacity: 0;
  transform: scale(0.5) rotate(-180deg);
  animation: togglePop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.45s forwards;
}

@keyframes navPopIn {
  0% {
    opacity: 0;
    transform: translateY(-30px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes navItemPop {
  0% {
    opacity: 0;
    transform: translateY(-15px) scale(0.9);
  }

  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes togglePop {
  0% {
    opacity: 0;
    transform: scale(0.5) rotate(-180deg);
  }

  100% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}

/* Scroll-triggered animations with premium feel */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered card animations */
.project-card,
.skill-category,
.cert-card {
  opacity: 0;
  transform: translateY(60px) scale(0.95);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    box-shadow 0.3s ease;
}

.project-card.visible,
.skill-category.visible,
.cert-card.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Staggered delays for grid items */
.project-card:nth-child(1),
.skill-category:nth-child(1),
.cert-card:nth-child(1) {
  transition-delay: 0.1s;
}

.project-card:nth-child(2),
.skill-category:nth-child(2),
.cert-card:nth-child(2) {
  transition-delay: 0.2s;
}

.project-card:nth-child(3),
.skill-category:nth-child(3),
.cert-card:nth-child(3) {
  transition-delay: 0.3s;
}

.project-card:nth-child(4),
.skill-category:nth-child(4),
.cert-card:nth-child(4) {
  transition-delay: 0.4s;
}

.project-card:nth-child(5),
.cert-card:nth-child(5) {
  transition-delay: 0.5s;
}

.project-card:nth-child(6),
.cert-card:nth-child(6) {
  transition-delay: 0.6s;
}

/* CTA section cinematic reveal */
.cta__box {
  opacity: 0;
  transform: translateY(40px) scale(0.98);
  transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    background-color var(--transition-base);
}

.cta__box.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Footer gentle rise */
.footer {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.2s,
    transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.2s;
}

.footer.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== Slide-Up WASD Keys Transition ========== */

/* Main transition overlay - slides up from bottom */
.page-transition-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #0B0F14;
  z-index: 9999;
  pointer-events: none;
  transform: translateY(100%);
  transition: transform 0.6s cubic-bezier(0.76, 0, 0.24, 1);
}

.page-transition-overlay.active {
  transform: translateY(0);
  pointer-events: all;
}

.page-transition-overlay.exit {
  transform: translateY(-100%);
}

/* Page content display */
.page-transition-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: #E5E7EB;
}

/* WASD Keys Container */
.wasd-keys {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-bottom: 32px;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.4s ease 0.2s, transform 0.4s ease 0.2s;
}

.page-transition-overlay.active .wasd-keys {
  opacity: 1;
  transform: translateY(0);
}

.wasd-row {
  display: flex;
  gap: 6px;
}

/* Individual Key Styling */
.wasd-key {
  width: 48px;
  height: 48px;
  background: #151E2E;
  border: 2px solid #1E293B;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Plus Jakarta Sans', monospace;
  font-size: 18px;
  font-weight: 700;
  color: #6B7280;
  transition: all 0.15s ease;
  box-shadow:
    0 4px 0 #0B0F14,
    inset 0 -2px 0 rgba(0, 0, 0, 0.3);
}

/* W Key - Default Active State (for Work navigation) */
.wasd-key--w {
  background: #9FEF00;
  border-color: #B6FF2A;
  color: #0B0F14;
  box-shadow:
    0 0 20px rgba(159, 239, 0, 0.5),
    0 0 40px rgba(159, 239, 0, 0.3),
    0 2px 0 #0B0F14,
    inset 0 -1px 0 rgba(0, 0, 0, 0.2);
  transform: translateY(2px);
  animation: keyPress 0.3s ease 0.4s infinite alternate;
}

/* W Key Inactive (when navigating elsewhere) */
.wasd-key--w.wasd-key--inactive {
  background: #151E2E;
  border-color: #1E293B;
  color: #6B7280;
  box-shadow:
    0 4px 0 #0B0F14,
    inset 0 -2px 0 rgba(0, 0, 0, 0.3);
  transform: translateY(0);
  animation: none;
}

/* Dynamic Active State for A, S, D keys */
.wasd-key--active {
  background: #9FEF00 !important;
  border-color: #B6FF2A !important;
  color: #0B0F14 !important;
  box-shadow:
    0 0 20px rgba(159, 239, 0, 0.5),
    0 0 40px rgba(159, 239, 0, 0.3),
    0 2px 0 #0B0F14,
    inset 0 -1px 0 rgba(0, 0, 0, 0.2) !important;
  transform: translateY(2px);
  animation: keyPress 0.3s ease 0.4s infinite alternate;
}

@keyframes keyPress {
  0% {
    transform: translateY(2px);
    box-shadow:
      0 0 20px rgba(159, 239, 0, 0.5),
      0 0 40px rgba(159, 239, 0, 0.3),
      0 2px 0 #0B0F14;
  }

  100% {
    transform: translateY(0);
    box-shadow:
      0 0 30px rgba(159, 239, 0, 0.7),
      0 0 60px rgba(159, 239, 0, 0.4),
      0 4px 0 #0B0F14;
  }
}

/* Page Name */
.page-transition-name {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: #9FEF00;
  text-shadow: 0 0 30px rgba(159, 239, 0, 0.4);
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.5s ease 0.35s, transform 0.5s ease 0.35s;
}

.page-transition-overlay.active .page-transition-name {
  opacity: 1;
  transform: translateY(0);
}

/* Subtitle */
.page-transition-subtitle {
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #9CA3AF;
  margin-bottom: 8px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease 0.25s, transform 0.4s ease 0.25s;
}

.page-transition-overlay.active .page-transition-subtitle {
  opacity: 1;
  transform: translateY(0);
}

/* Loading indicator hidden */
.page-loader {
  display: none;
}

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

ul,
ol {
  list-style: none;
}

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

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

/* ============================================
   Layout Utilities
   ============================================ */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

/* ============================================
   Navigation
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--spacing-lg) 0;
  background-color: var(--bg-primary);
  transition: background-color var(--transition-base);
}

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

.nav__logo {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
}

.nav__logo:hover {
  transform: scale(1.1);
}

.nav__logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--radius-md);
  transition: filter var(--transition-base);
}

/* Theme-reactive filter for logo in dark mode */
[data-theme="dark"] .nav__logo-img {
  filter: invert(1) hue-rotate(180deg);
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav__link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-primary);
  position: relative;
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-fast);
}

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

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__link.active {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.theme-toggle {
  width: 56px;
  height: 28px;
  background-color: var(--bg-dark-section);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  position: relative;
  cursor: pointer;
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

.theme-toggle__slider {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  background-color: var(--bg-primary);
  border-radius: 50%;
  transition: transform var(--transition-base), background-color var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}

.theme-toggle__slider svg {
  stroke: var(--text-primary);
  /* Ensure icon is visible */
  fill: none;
}

[data-theme="dark"] .theme-toggle__slider {
  transform: translateX(28px);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  padding: calc(100px + var(--spacing-4xl)) 0 var(--spacing-4xl);
  min-height: 70vh;
  display: flex;
  align-items: center;
}

.hero__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

.hero__content {
  animation: fadeInUp 0.8s ease forwards;
}

.hero__subtitle {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.02em;
}

.hero__title {
  font-size: var(--font-size-hero);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: var(--spacing-xl);
  /* Text stroke effect for bold look */
  -webkit-text-stroke: 2px var(--text-primary);
  paint-order: stroke fill;
}

.hero__description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 400px;
  line-height: 1.7;
}

.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInRight 0.8s ease 0.2s forwards;
  opacity: 0;
}

.hero__illustration {
  width: 100%;
  max-width: 450px;
  aspect-ratio: 1;
  background: var(--bg-dark-section);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: var(--font-size-xl);
  transition: background-color var(--transition-base), transform var(--transition-base);
  overflow: hidden;
  position: relative;
}

.hero__illustration:hover {
  transform: scale(1.02);
}

.hero__illustration-placeholder {
  text-align: center;
  padding: var(--spacing-xl);
  opacity: 0.7;
}

/* ============================================
   Filters Section
   ============================================ */
.filters {
  padding: var(--spacing-xl) 0;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .filters {
  border-top-color: rgba(255, 255, 255, 0.08);
}

.filters__container {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.filter-dropdown {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: transparent;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

[data-theme="dark"] .filter-dropdown {
  border-color: rgba(255, 255, 255, 0.15);
}

.filter-dropdown:hover {
  background: var(--bg-secondary);
}

.filter-dropdown__label {
  color: var(--text-secondary);
}

.filter-dropdown__value {
  font-weight: 600;
}

.filter-dropdown__icon {
  font-size: 10px;
  transition: transform var(--transition-fast);
}

/* ============================================
   Projects Grid
   ============================================ */
.projects {
  padding: var(--spacing-2xl) 0 var(--spacing-4xl);
}

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

.project-card {
  aspect-ratio: 4/5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.project-card__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform var(--transition-slow);
}

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

.project-card__content {
  position: absolute;
  inset: 0;
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.project-card__logo {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: white;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.project-card__tagline {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  margin-top: var(--spacing-sm);
}

/* Project Card Color Variants */
.project-card--warm {
  background: linear-gradient(180deg, #D4A574 0%, #B88B5A 100%);
}

.project-card--dark {
  background: linear-gradient(180deg, #2A2640 0%, #1E1B2E 100%);
}

.project-card--blue {
  background: linear-gradient(180deg, #4A5ACB 0%, #3644A8 100%);
}

.project-card--teal {
  background: linear-gradient(180deg, #2DD4BF 0%, #14B8A6 100%);
}

.project-card--purple {
  background: linear-gradient(180deg, #8B5CF6 0%, #7C3AED 100%);
}

.project-card--coral {
  background: linear-gradient(180deg, #FF6B4A 0%, #E55A3A 100%);
}

/* ============================================
   CTA Section
   ============================================ */
.cta {
  padding: var(--spacing-4xl) 0;
}

.cta__box {
  background: var(--bg-dark-section);
  border-radius: var(--radius-xl);
  padding: var(--spacing-4xl) var(--spacing-2xl);
  text-align: center;
  transition: background-color var(--transition-base);
}

.cta__subtitle {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: var(--spacing-sm);
  opacity: 0.9;
}

.cta__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--text-light);
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.02em;
}

.cta__description {
  font-size: var(--font-size-lg);
  color: var(--text-light);
  opacity: 0.8;
  margin-bottom: var(--spacing-2xl);
}

.cta__button {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-2xl);
  background-color: var(--accent);
  color: white;
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.cta__button:hover {
  background-color: var(--accent-hover);
  transform: scale(1.05);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  padding: var(--spacing-2xl) 0;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .footer {
  border-top-color: rgba(255, 255, 255, 0.08);
}

.footer__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.footer__social {
  display: flex;
  gap: var(--spacing-lg);
}

.footer__social-link {
  font-size: var(--font-size-xl);
  color: var(--text-primary);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer__social-link:hover {
  color: var(--accent);
  transform: translateY(-2px);
}

.footer__info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--spacing-sm);
  text-align: right;
}

.footer__copyright {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.footer__links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer__link {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--accent);
}

/* ============================================
   About Section
   ============================================ */
.about {
  padding: var(--spacing-4xl) 0;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .about {
  border-top-color: rgba(255, 255, 255, 0.08);
}

.about__container {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-4xl);
  align-items: start;
}

.about__visual {
  position: relative;
}

.about__image {
  width: 100%;
  max-width: 350px;
  aspect-ratio: 1;
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
  border: 2px dashed rgba(0, 0, 0, 0.1);
  transition: all var(--transition-base);
}

[data-theme="dark"] .about__image {
  border-color: rgba(255, 255, 255, 0.1);
}

.about__content {
  padding-top: var(--spacing-lg);
}

.about__label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-sm);
}

.about__title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.02em;
}

.about__bio {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-xl);
}

.about__highlights {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.about__highlight {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-primary);
  border: 1px solid rgba(0, 0, 0, 0.08);
  transition: all var(--transition-fast);
}

[data-theme="dark"] .about__highlight {
  border-color: rgba(255, 255, 255, 0.08);
}

.about__highlight:hover {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.about__social {
  display: flex;
  gap: var(--spacing-md);
}

.about__social-link {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  border: 1px solid rgba(0, 0, 0, 0.08);
  transition: all var(--transition-fast);
}

[data-theme="dark"] .about__social-link {
  border-color: rgba(255, 255, 255, 0.08);
}

.about__social-link:hover {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
  transform: translateY(-3px);
}

/* ============================================
   Skills Section
   ============================================ */
.skills {
  padding: var(--spacing-4xl) 0;
  background: var(--bg-secondary);
  transition: background-color var(--transition-base);
}

.skills__header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.skills__label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-sm);
}

.skills__title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

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

.skill-category {
  background: var(--bg-primary);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.skill-category:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.skill-category__icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--accent) 0%, #FF8A6B 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  font-size: 24px;
}

.skill-category__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.skill-category__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.skill-tag {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: color var(--transition-fast);
}

[data-theme="dark"] .skill-tag {
  border-bottom-color: rgba(255, 255, 255, 0.05);
}

.skill-tag:hover {
  color: var(--accent);
}

.skill-tag:last-child {
  border-bottom: none;
}

/* ============================================
   Certifications Section
   ============================================ */
.certifications {
  padding: var(--spacing-4xl) 0;
}

.certifications__header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.certifications__label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-sm);
}

.certifications__title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

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

.cert-card {
  background: var(--bg-secondary);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid rgba(0, 0, 0, 0.08);
  transition: all var(--transition-base);
}

[data-theme="dark"] .cert-card {
  border-color: rgba(255, 255, 255, 0.08);
}

.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.cert-card__logo {
  width: 80px;
  height: 80px;
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--accent);
}

.cert-card__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.cert-card__issuer {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.cert-card__link {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.cert-card__link:hover {
  color: var(--accent-hover);
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
  padding: var(--spacing-4xl) 0;
  background: var(--bg-secondary);
  transition: background-color var(--transition-base);
}

.contact__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

.contact__content {
  max-width: 500px;
}

.contact__label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-sm);
}

.contact__title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.02em;
}

.contact__description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-xl);
}

.contact__links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact__link {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 0, 0, 0.08);
  transition: all var(--transition-fast);
}

[data-theme="dark"] .contact__link {
  border-color: rgba(255, 255, 255, 0.08);
}

.contact__link:hover {
  border-color: var(--accent);
  transform: translateX(8px);
}

.contact__link-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent) 0%, #FF8A6B 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.contact__link-text {
  flex: 1;
}

.contact__link-label {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact__link-value {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-primary);
}

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

.contact__illustration {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1;
  background: var(--bg-dark-section);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 64px;
  transition: all var(--transition-base);
}

/* ============================================
   Responsive for New Sections
   ============================================ */
@media (max-width: 1024px) {
  .about__container {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .about__visual {
    order: -1;
    display: flex;
    justify-content: center;
  }

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

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

  .contact__container {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .contact__visual {
    order: -1;
  }
}

@media (max-width: 768px) {
  .skills__grid {
    grid-template-columns: 1fr;
  }

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

  .about__title,
  .skills__title,
  .certifications__title,
  .contact__title {
    font-size: var(--font-size-3xl);
  }
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

/* Scroll Animation Classes */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered animation delays for grid items */
.project-card:nth-child(1) {
  animation-delay: 0.1s;
}

.project-card:nth-child(2) {
  animation-delay: 0.2s;
}

.project-card:nth-child(3) {
  animation-delay: 0.3s;
}

.project-card:nth-child(4) {
  animation-delay: 0.4s;
}

.project-card:nth-child(5) {
  animation-delay: 0.5s;
}

.project-card:nth-child(6) {
  animation-delay: 0.6s;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
  .hero__container {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .hero__visual {
    order: -1;
  }

  .hero__illustration {
    max-width: 350px;
  }

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

@media (max-width: 768px) {
  .nav__menu {
    display: none;
  }

  .hero {
    padding-top: calc(80px + var(--spacing-2xl));
    min-height: auto;
  }

  .hero__title {
    -webkit-text-stroke: 1px var(--text-primary);
  }

  .projects__grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .project-card {
    aspect-ratio: 16/10;
  }

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

  .footer__info {
    align-items: center;
    text-align: center;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-xl: 1.5rem;
    --spacing-2xl: 2rem;
    --spacing-3xl: 3rem;
    --spacing-4xl: 4rem;
  }

  .cta__box {
    padding: var(--spacing-2xl) var(--spacing-lg);
  }
}

/* ============================================
   Mobile Menu (Hidden by default)
   ============================================ */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  cursor: pointer;
  z-index: 1001;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
  transform-origin: center;
}

/* Hamburger to X animation */
.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

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

/* Mobile Menu Overlay */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-menu[aria-hidden="false"] {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu__list {
  list-style: none;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.mobile-menu__link {
  font-size: clamp(1.5rem, 5vw, 2.5rem);
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.mobile-menu__link:hover {
  color: var(--accent);
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .nav__menu {
    display: none;
  }
}

/* ============================================
   Blog Page Styles
   ============================================ */

/* Blog Filters */
.blog-filters {
  padding: var(--spacing-xl) 0;
}

.blog-filters__wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg-primary);
}

/* Blog Posts Grid */
.blog-posts {
  padding: var(--spacing-2xl) 0 var(--spacing-4xl);
}

.blog-posts__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--spacing-xl);
}

/* Blog Card */
.blog-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.blog-card.visible {
  opacity: 1;
  transform: translateY(0);
}

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

.blog-card__image {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.blog-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.blog-card__content {
  padding: var(--spacing-lg);
}

.blog-card__meta {
  display: flex;
  gap: var(--spacing-md);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-bottom: var(--spacing-sm);
}

.blog-card__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.3;
}

.blog-card__excerpt {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.blog-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.blog-card__tag {
  padding: 4px 10px;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

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

.blog-card__link:hover {
  gap: var(--spacing-sm);
}

/* Empty State */
.blog-empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--spacing-4xl) var(--spacing-xl);
}

.blog-empty-state__icon {
  font-size: 64px;
  margin-bottom: var(--spacing-lg);
}

.blog-empty-state h3 {
  font-size: var(--font-size-2xl);
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.blog-empty-state p {
  color: var(--text-secondary);
}

/* Dark Mode Blog Adaptations */
[data-theme="dark"] .blog-card {
  background: var(--bg-cards);
  border-color: var(--border-color);
}

[data-theme="dark"] .blog-card:hover {
  box-shadow: var(--glow-accent-sm), var(--shadow-lg);
  border-color: var(--accent);
}

[data-theme="dark"] .blog-card__tag {
  background: var(--accent-soft);
  color: var(--accent);
}

[data-theme="dark"] .filter-btn {
  background: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-secondary);
}

[data-theme="dark"] .filter-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

[data-theme="dark"] .filter-btn.active {
  background: var(--accent);
  color: var(--bg-primary);
  box-shadow: var(--glow-accent-sm);
}

@media (max-width: 768px) {
  .blog-posts__grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Project Quick View Modal
   ============================================ */
.project-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.project-modal[aria-hidden="false"] {
  opacity: 1;
  pointer-events: all;
}

.project-modal__backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(11, 15, 20, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.project-modal__container {
  position: relative;
  width: 90%;
  max-width: 800px;
  max-height: 85vh;
  background: var(--bg-cards);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  transform: translateY(20px) scale(0.98);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.project-modal[aria-hidden="false"] .project-modal__container {
  transform: translateY(0) scale(1);
}

.project-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 10;
  background: transparent;
}

.project-modal__close:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.project-modal__content {
  padding: 40px;
  overflow-y: auto;
  flex: 1;
}

.project-modal__header {
  margin-bottom: 24px;
}

.project-modal__tagline {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  letter-spacing: 0.1em;
  color: #9FEF00;
  /* Force bright accent color for visibility */
  text-shadow: 0 0 10px rgba(159, 239, 0, 0.3);
  margin-bottom: 8px;
  display: block;
  font-weight: 600;
}

.project-modal__title {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.1;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.project-modal__brief {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 65ch;
}

.project-modal__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
}

.project-modal__section-title {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 16px;
  font-weight: 700;
}

.project-modal__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.project-modal__list-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

.project-modal__list-item::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
}

.project-modal__actions {
  padding: 24px 40px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
  display: flex;
  justify-content: flex-end;
}

.project-modal__expand-btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  background: var(--text-primary);
  color: var(--bg-primary);
  border-radius: 8px;
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.project-modal__expand-btn:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .project-modal__content {
    padding: 24px;
  }

  .project-modal__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}