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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  cursor: none;
}

body {
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.7;
  transition: background-color 0.4s ease, color 0.4s ease;
  overflow-x: hidden;
}

/* ===== CSS VARIABLES — DARK PURPLE THEME ===== */
:root[data-theme="dark"] {
  --bg-primary: #050208;
  --bg-secondary: #0d0819;
  --bg-card: #130e24;
  --bg-card-alt: #1a1233;
  --text-primary: #f0e6ff;
  --text-secondary: #8b7faa;
  --text-muted: #5a4f73;
  --accent-primary: #a855f7;
  --accent-secondary: #7c3aed;
  --accent-tertiary: #c084fc;
  --accent-glow: rgba(168, 85, 247, 0.4);
  --gradient-1: linear-gradient(135deg, #a855f7, #6d28d9);
  --gradient-2: linear-gradient(135deg, #7c3aed, #4c1d95);
  --gradient-3: linear-gradient(135deg, #c084fc, #a855f7, #7c3aed);
  --gradient-hero: radial-gradient(ellipse at 30% 50%, rgba(124, 58, 237, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 30%, rgba(168, 85, 247, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(76, 29, 149, 0.2) 0%, transparent 60%);
  --border-color: #2a1f4e;
  --border-glow: rgba(168, 85, 247, 0.2);
  --shadow: 0 8px 32px rgba(168, 85, 247, 0.15);
  --shadow-lg: 0 20px 60px rgba(124, 58, 237, 0.25);
  --nav-bg: rgba(5, 2, 8, 0.85);
  --card-bg: rgba(19, 14, 36, 0.7);
  --card-hover-bg: rgba(26, 18, 51, 0.9);
  --glow-sm: 0 0 15px rgba(168, 85, 247, 0.3);
  --glow-md: 0 0 30px rgba(168, 85, 247, 0.3), 0 0 60px rgba(124, 58, 237, 0.15);
  --glow-lg: 0 0 40px rgba(168, 85, 247, 0.4), 0 0 80px rgba(124, 58, 237, 0.2), 0 0 120px rgba(76, 29, 149, 0.1);
}

:root[data-theme="light"] {
  --bg-primary: #faf5ff;
  --bg-secondary: #f3e8ff;
  --bg-card: #ffffff;
  --bg-card-alt: #faf5ff;
  --text-primary: #1e1033;
  --text-secondary: #6b5597;
  --text-muted: #9f8ec5;
  --accent-primary: #7c3aed;
  --accent-secondary: #6d28d9;
  --accent-tertiary: #a855f7;
  --accent-glow: rgba(124, 58, 237, 0.2);
  --gradient-1: linear-gradient(135deg, #7c3aed, #a855f7);
  --gradient-2: linear-gradient(135deg, #6d28d9, #9333ea);
  --gradient-3: linear-gradient(135deg, #a855f7, #7c3aed, #6d28d9);
  --gradient-hero: radial-gradient(ellipse at 30% 50%, rgba(124, 58, 237, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 30%, rgba(168, 85, 247, 0.05) 0%, transparent 50%);
  --border-color: #e2d5f5;
  --border-glow: rgba(124, 58, 237, 0.15);
  --shadow: 0 8px 32px rgba(124, 58, 237, 0.1);
  --shadow-lg: 0 20px 60px rgba(124, 58, 237, 0.15);
  --nav-bg: rgba(250, 245, 255, 0.85);
  --card-bg: rgba(255, 255, 255, 0.8);
  --card-hover-bg: rgba(255, 255, 255, 0.95);
  --glow-sm: 0 0 15px rgba(124, 58, 237, 0.15);
  --glow-md: 0 0 30px rgba(124, 58, 237, 0.15);
  --glow-lg: 0 0 40px rgba(124, 58, 237, 0.2);
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

/* ===== CUSTOM CURSOR ===== */
.cursor-follower {
  position: fixed;
  width: 40px;
  height: 40px;
  border: 2px solid var(--accent-primary);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transition: transform 0.15s ease-out, width 0.3s, height 0.3s, border-color 0.3s;
  transform: translate(-50%, -50%);
  mix-blend-mode: difference;
}

.cursor-dot {
  position: fixed;
  width: 8px;
  height: 8px;
  background: var(--accent-primary);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 10px var(--accent-primary), 0 0 20px rgba(168, 85, 247, 0.3);
}

.cursor-follower.hovering {
  width: 60px;
  height: 60px;
  border-color: var(--accent-tertiary);
  background: rgba(168, 85, 247, 0.05);
}

/* Hide custom cursor on touch devices */
@media (pointer: coarse) {

  .cursor-follower,
  .cursor-dot {
    display: none;
  }

  html {
    cursor: auto;
  }
}

/* ===== PARTICLE CANVAS ===== */
#particleCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ===== REUSABLE CLASSES ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 7rem 0;
  position: relative;
  z-index: 1;
}

.section__title {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  text-align: center;
  letter-spacing: -0.02em;
}

.section__subtitle {
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 4rem;
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.02em;
}

.text-gradient {
  background: var(--gradient-3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== SCROLL PROGRESS ===== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--gradient-1);
  z-index: 1000;
  transition: width 0.1s;
  box-shadow: 0 0 10px var(--accent-glow);
}

/* ===== HEADER & NAVIGATION ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-color);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav {
  height: 80px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__logo {
  font-size: 1.8rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.logo-gradient {
  background: var(--gradient-3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 2.2rem;
  font-weight: 700;
}

.nav__list {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav__link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s ease;
  position: relative;
  letter-spacing: 0.01em;
}

.nav__link:hover,
.nav__link.active {
  color: var(--accent-primary);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-1);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 8px var(--accent-glow);
}

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

.nav__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border-color);
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  padding: 0.5rem;
  border-radius: 50%;
  transition: all 0.3s ease;
}

.theme-toggle:hover {
  background: var(--bg-card);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  box-shadow: var(--glow-sm);
}

.icon-sun {
  display: none;
}

[data-theme="dark"] .icon-moon {
  display: block;
}

[data-theme="dark"] .icon-sun {
  display: none;
}

[data-theme="light"] .icon-moon {
  display: none;
}

[data-theme="light"] .icon-sun {
  display: block;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav__toggle span {
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  transition: 0.3s;
  border-radius: 2px;
}

/* Mobile menu */
@media (max-width: 768px) {
  .nav__menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 2rem;
  }

  .nav__menu.active {
    left: 0;
  }

  .nav__list {
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
  }

  .nav__link {
    font-size: 1.1rem;
  }

  .nav__toggle {
    display: flex;
  }

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

  .nav__toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav__toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero__gradient {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  animation: heroPulse 10s ease-in-out infinite;
}

/* Aurora Blobs */
.aurora {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: -1;
}

.aurora__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
}

.aurora__blob--1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.4), transparent 70%);
  top: -10%;
  left: 10%;
  animation: auroraFloat1 12s ease-in-out infinite;
}

.aurora__blob--2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.3), transparent 70%);
  bottom: 10%;
  right: 5%;
  animation: auroraFloat2 15s ease-in-out infinite;
}

.aurora__blob--3 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(76, 29, 149, 0.5), transparent 70%);
  top: 40%;
  left: 50%;
  animation: auroraFloat3 18s ease-in-out infinite;
}

@keyframes auroraFloat1 {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  33% {
    transform: translate(60px, 40px) scale(1.1);
  }

  66% {
    transform: translate(-30px, 70px) scale(0.95);
  }
}

@keyframes auroraFloat2 {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  33% {
    transform: translate(-50px, -30px) scale(1.15);
  }

  66% {
    transform: translate(40px, -60px) scale(0.9);
  }
}

@keyframes auroraFloat3 {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  50% {
    transform: translate(-70px, 30px) scale(1.2);
  }
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.08;
  animation: gridMove 20s linear infinite;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

@keyframes gridMove {
  0% {
    transform: translate(0, 0);
  }

  100% {
    transform: translate(60px, 60px);
  }
}

@keyframes heroPulse {

  0%,
  100% {
    opacity: 0.6;
  }

  50% {
    opacity: 1;
  }
}

.hero__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
}

.hero__greeting {
  color: var(--accent-primary);
  font-size: 1.1rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.05em;
}

.greeting-line {
  display: inline-block;
  width: 40px;
  height: 2px;
  background: var(--gradient-1);
  box-shadow: 0 0 8px var(--accent-glow);
}

.hero__title {
  font-size: 4.5rem;
  font-weight: 700;
  line-height: 1.05;
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
}

.hero__subtitle {
  font-family: 'JetBrains Mono', monospace;
  background: rgba(168, 85, 247, 0.08);
  padding: 8px 20px;
  border-left: 3px solid var(--accent-primary);
  display: inline-block;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--accent-tertiary);
  backdrop-filter: blur(10px);
  border-radius: 0 8px 8px 0;
  margin-bottom: 0.5rem;
}

.hero__tagline {
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 500px;
  font-size: 1.05rem;
  line-height: 1.8;
}

.hero__cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 2rem;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: 0.01em;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.btn:hover::before {
  opacity: 1;
}

.btn--primary {
  background: var(--gradient-1);
  color: white;
  box-shadow: var(--shadow), var(--glow-sm);
}

.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg), var(--glow-md);
}

.btn--outline {
  border: 2px solid var(--accent-primary);
  color: var(--accent-primary);
  background: transparent;
}

.btn--outline:hover {
  background: rgba(168, 85, 247, 0.1);
  border-color: var(--accent-tertiary);
  color: var(--accent-tertiary);
  transform: translateY(-3px);
  box-shadow: var(--glow-sm);
}

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

/* ===== HERO AVATAR ===== */
.hero__avatar {
  width: 400px;
  height: 400px;
  margin: 0 auto;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid transparent;
  background: var(--gradient-3) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: rotate 8s linear infinite;
  filter: drop-shadow(0 0 15px var(--accent-glow));
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.avatar-placeholder {
  width: 88%;
  height: 88%;
  border-radius: 50%;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  font-weight: 700;
  background: var(--gradient-2);
  color: var(--accent-tertiary);
  box-shadow: var(--glow-md);
  border: 1px solid var(--border-color);
  text-shadow: 0 0 20px var(--accent-glow);
  overflow: hidden;
}

.avatar-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

/* Hero scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  text-decoration: none;
}

.mouse {
  width: 28px;
  height: 46px;
  border: 2px solid var(--text-muted);
  border-radius: 20px;
  position: relative;
  transition: border-color 0.3s;
}

.mouse:hover {
  border-color: var(--accent-primary);
}

.wheel {
  width: 4px;
  height: 10px;
  background: var(--accent-primary);
  border-radius: 2px;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollWheel 2s infinite;
  box-shadow: 0 0 6px var(--accent-glow);
}

@keyframes scrollWheel {
  0% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }

  100% {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
}

@media (max-width: 968px) {
  .hero__container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

  .hero__greeting {
    justify-content: center;
  }

  .hero__tagline {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__cta {
    justify-content: center;
  }

  .hero__title {
    font-size: 3rem;
  }

  .hero__avatar {
    width: 280px;
    height: 280px;
  }
}

/* ===== ABOUT SECTION ===== */
.about__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about__text p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
  line-height: 1.8;
}

.about__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.highlight-card {
  background: var(--card-bg);
  backdrop-filter: blur(12px) saturate(150%);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  padding: 2rem 1.5rem;
  border-radius: 20px;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.highlight-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-1);
  opacity: 0;
  transition: opacity 0.3s;
}

.highlight-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  background: var(--card-hover-bg);
  border-color: var(--border-glow);
}

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

.highlight-card__icon {
  color: var(--accent-primary);
  margin-bottom: 1rem;
  filter: drop-shadow(0 0 8px var(--accent-glow));
}

.highlight-card__number {
  font-size: 2.2rem;
  font-weight: 700;
  background: var(--gradient-3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.highlight-card__label {
  color: var(--text-secondary);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

@media (max-width: 768px) {
  .about__content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

/* ===== SKILLS SECTION ===== */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.skills__category {
  background: var(--card-bg);
  backdrop-filter: blur(12px) saturate(150%);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  padding: 2rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.skills__category::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.03), transparent 60%);
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
}

.skills__category:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.skills__category:hover::after {
  opacity: 1;
}

.skills__category-title {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  color: var(--accent-primary);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.skills__list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.skill-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.8rem;
  border-radius: 10px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  border-left: 3px solid transparent;
}

.skill-item:hover {
  background: rgba(168, 85, 247, 0.06);
  border-left-color: var(--accent-primary);
  padding-left: 1.2rem;
  box-shadow: inset 0 0 20px rgba(168, 85, 247, 0.03);
}

.skill-item span {
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: color 0.3s;
}

.skill-item:hover span {
  color: var(--text-primary);
}

.skill-icon {
  font-size: 1.3rem;
  width: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

/* ===== PROJECTS SECTION ===== */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--card-bg);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.project-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 20px;
  padding: 1px;
  background: var(--gradient-1);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}

.project-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: var(--shadow-lg);
}

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

.project-card__image {
  height: 200px;
  position: relative;
  overflow: hidden;
}

.project-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card-alt));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  transition: transform 0.5s;
}

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

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(5, 2, 8, 0.8);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s;
}

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

.project-link {
  color: white;
  transition: all 0.3s;
  padding: 12px;
  border-radius: 50%;
  background: rgba(168, 85, 247, 0.2);
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.project-link:hover {
  color: var(--accent-primary);
  background: rgba(168, 85, 247, 0.3);
  box-shadow: var(--glow-sm);
  transform: scale(1.1);
}

.project-card__content {
  padding: 1.5rem;
}

.project-card__title {
  font-size: 1.2rem;
  margin-bottom: 0.8rem;
  color: var(--text-primary);
  font-weight: 600;
}

.project-card__description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.2rem;
  line-height: 1.7;
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  background: rgba(168, 85, 247, 0.08);
  padding: 0.35rem 0.9rem;
  border-radius: 20px;
  font-size: 0.78rem;
  color: var(--accent-tertiary);
  border: 1px solid rgba(168, 85, 247, 0.15);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all 0.3s;
}

.tag:hover {
  background: rgba(168, 85, 247, 0.15);
  border-color: rgba(168, 85, 247, 0.3);
  box-shadow: 0 0 12px rgba(168, 85, 247, 0.1);
}

/* ===== EXPERIENCE SECTION ===== */
.experience__timeline {
  max-width: 800px;
  margin: 0 auto;
}

.experience__card {
  background: var(--card-bg);
  backdrop-filter: blur(12px) saturate(150%);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.experience__card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.experience__header {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.experience__icon {
  color: var(--accent-primary);
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: rgba(168, 85, 247, 0.1);
  border: 1px solid rgba(168, 85, 247, 0.15);
  filter: drop-shadow(0 0 6px var(--accent-glow));
}

.experience__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
  letter-spacing: -0.01em;
}

.experience__company {
  color: var(--accent-primary);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.experience__date {
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.experience__details {
  list-style: none;
  padding: 0;
  margin: 0;
}

.experience__details li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.7rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.experience__details li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: 0 0 6px var(--accent-glow);
}

.experience__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.2rem;
}

/* ===== EDUCATION SECTION ===== */
.education__timeline {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.education__card {
  background: var(--card-bg);
  backdrop-filter: blur(12px) saturate(150%);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 1.8rem 2rem;
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.education__card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.education__icon {
  font-size: 2.2rem;
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: rgba(168, 85, 247, 0.08);
  border: 1px solid rgba(168, 85, 247, 0.12);
}

.education__degree {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
  letter-spacing: -0.01em;
}

.education__institution {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 0.3rem;
}

.education__date {
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-muted);
  font-size: 0.83rem;
  display: block;
  margin-bottom: 0.3rem;
}

.education__grade {
  color: var(--accent-primary);
  font-weight: 600;
  font-size: 0.95rem;
}

@media (max-width: 768px) {
  .experience__header {
    flex-direction: column;
    gap: 1rem;
  }

  .education__card {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
    align-items: center;
  }
}

/* ===== CERTIFICATES SECTION ===== */
.certificates__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.certificate-card {
  background: var(--card-bg);
  backdrop-filter: blur(12px) saturate(150%);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  padding: 2rem;
  border-radius: 20px;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.certificate-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-1);
  opacity: 0;
  transition: opacity 0.3s;
}

.certificate-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-glow);
}

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

.certificate-card__badge {
  font-size: 3rem;
  margin-bottom: 1rem;
  filter: drop-shadow(0 0 10px var(--accent-glow));
}

.certificate-card__title {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.certificate-card__issuer {
  color: var(--accent-primary);
  margin-bottom: 0.3rem;
  font-weight: 500;
  font-size: 0.95rem;
}

.certificate-card__date {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-family: 'JetBrains Mono', monospace;
}

/* ===== CONTACT SECTION ===== */
.contact__content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact__item {
  display: flex;
  gap: 1rem;
  align-items: center;
  padding: 1rem;
  border-radius: 16px;
  transition: all 0.3s;
}

.contact__item:hover {
  background: rgba(168, 85, 247, 0.05);
}

.contact__icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: var(--gradient-1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
  box-shadow: var(--glow-sm);
}

.contact__item h4 {
  font-size: 1rem;
  margin-bottom: 0.2rem;
  font-weight: 600;
}

.contact__item p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.contact__form {
  background: var(--card-bg);
  backdrop-filter: blur(12px) saturate(150%);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  padding: 2.5rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  transition: border-color 0.3s;
}

.contact__form:focus-within {
  border-color: var(--border-glow);
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  padding: 0.9rem 1.2rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  transition: all 0.3s;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.15), var(--glow-sm);
}

.form-input:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-error {
  color: #f87171;
  font-size: 0.85rem;
  margin-top: 0.3rem;
  display: block;
}

.form-success {
  display: none;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
  padding: 1rem;
  background: rgba(74, 222, 128, 0.1);
  border-radius: 12px;
  color: #4ade80;
  border: 1px solid rgba(74, 222, 128, 0.2);
}

.form-success.show {
  display: flex;
}

@media (max-width: 768px) {
  .contact__content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0 1.5rem;
  position: relative;
  z-index: 1;
}

.footer__container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 2rem;
}

.footer__brand p {
  color: var(--text-secondary);
  margin-top: 1rem;
  font-size: 0.95rem;
}

.footer__social {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.social-link {
  color: var(--text-secondary);
  transition: all 0.3s;
  padding: 0.5rem;
  border-radius: 10px;
}

.social-link:hover {
  color: var(--accent-primary);
  background: rgba(168, 85, 247, 0.08);
  box-shadow: var(--glow-sm);
  transform: translateY(-2px);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .footer__bottom {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

/* ===== SCROLL TOP BUTTON ===== */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: var(--gradient-1);
  border: none;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 99;
  box-shadow: var(--shadow), var(--glow-sm);
}

.scroll-top.show {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: var(--shadow-lg), var(--glow-md);
}

/* ===== ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Staggered animations for cards */
.fade-in:nth-child(1) {
  transition-delay: 0s;
}

.fade-in:nth-child(2) {
  transition-delay: 0.1s;
}

.fade-in:nth-child(3) {
  transition-delay: 0.2s;
}

.fade-in:nth-child(4) {
  transition-delay: 0.3s;
}

.fade-in:nth-child(5) {
  transition-delay: 0.4s;
}

.fade-in:nth-child(6) {
  transition-delay: 0.5s;
}

/* Keyboard Focus Visible */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

/* Skip to main content link */
.skip-to-main {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--accent-primary);
  color: white;
  padding: 8px 16px;
  text-decoration: none;
  z-index: 100;
  font-weight: 600;
  border-radius: 0 0 8px 0;
}

.skip-to-main:focus {
  top: 0;
}

/* ===== SECTION DIVIDER GLOW ===== */
.section+.section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: var(--gradient-1);
  box-shadow: 0 0 20px var(--accent-glow), 0 0 40px rgba(168, 85, 247, 0.1);
}

/* ===== RESPONSIVE TYPOGRAPHY ===== */
@media (max-width: 480px) {
  .section__title {
    font-size: 2rem;
  }

  .hero__title {
    font-size: 2.5rem;
  }

  .hero__greeting {
    font-size: 0.95rem;
  }
}