/* ============================
   ROOT & RESET
   ============================ */
:root {
  --bg-primary: #04060f;
  --bg-secondary: #080d1c;
  --bg-card: #0c1428;
  --bg-card-hover: #101b32;
  --accent-blue: #00d4ff;
  --accent-purple: #9d4eff;
  --accent-cyan: #00d4ff;
  --accent-green: #00ff87;
  --accent-pink: #ff2d78;
  --gradient: linear-gradient(135deg, #00d4ff, #9d4eff);
  --gradient-text: linear-gradient(135deg, #00d4ff, #9d4eff, #00ff87);
  --gradient-aurora: linear-gradient(135deg, #001a3a, #1a004d, #003a2a);
  --text-primary: #f0f6ff;
  --text-secondary: #8fa8c8;
  --text-muted: #4a6080;
  --border: rgba(0, 212, 255, 0.08);
  --border-hover: rgba(0, 212, 255, 0.22);
  --glow-cyan: 0 0 30px rgba(0, 212, 255, 0.45), 0 0 80px rgba(0, 212, 255, 0.18);
  --glow-purple: 0 0 30px rgba(157, 78, 255, 0.45), 0 0 80px rgba(157, 78, 255, 0.18);
  --radius: 18px;
  --radius-sm: 12px;
  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

::selection {
  background: rgba(0, 212, 255, 0.3);
  color: #fff;
}

/* Custom cursor removed */

/* ============================
   UTILITIES
   ============================ */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}

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

.section {
  padding: 110px 0;
}

.section-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--gradient);
  border-radius: 2px;
  display: inline-block;
}

.section-label.center {
  justify-content: center;
}

.section-label.center::after {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--gradient);
  border-radius: 2px;
  display: inline-block;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}

.section-title.center {
  text-align: center;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.075rem;
  max-width: 600px;
  margin: 0 auto 56px;
  text-align: center;
  line-height: 1.8;
}

/* ============================
   BUTTONS
   ============================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 14px 30px;
  border-radius: 14px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}

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

.btn-primary {
  background: var(--gradient);
  color: #000;
  font-weight: 700;
  box-shadow: 0 4px 24px rgba(0, 212, 255, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 212, 255, 0.55), 0 0 80px rgba(157, 78, 255, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border: 1.5px solid var(--border-hover);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  transform: translateY(-3px);
  background: rgba(0, 212, 255, 0.07);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.2);
}

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

/* ============================
   NAVBAR
   ============================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(3, 7, 18, 0.8);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(59, 130, 246, 0.12);
  padding: 12px 0;
  box-shadow: 0 4px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(59, 130, 246, 0.05);
}

.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.6rem;
  font-weight: 900;
  color: #fff;
  text-decoration: none;
  letter-spacing: -0.04em;
  position: relative;
}

.nav-logo::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform 0.3s;
}

.nav-logo:hover::after {
  transform: scaleX(1);
}

.dot {
  color: var(--accent-blue);
  text-shadow: 0 0 12px var(--accent-blue);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2px;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  cursor: pointer;
}

.nav-links a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.nav-cta {
  background: var(--gradient) !important;
  color: #fff !important;
  padding: 9px 22px !important;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3) !important;
}

.nav-cta:hover {
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.5) !important;
  transform: translateY(-2px);
}

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

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

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(3, 7, 18, 0.97);
  backdrop-filter: blur(24px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu ul {
  list-style: none;
  text-align: center;
}

.mobile-menu ul li {
  margin: 18px 0;
}

.mob-link {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
}

.mob-link:hover {
  color: transparent;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
}

/* ============================
   HERO
   ============================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 130px 28px 90px;
}

#particleCanvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.7;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  animation: orb-float 8s ease-in-out infinite;
}

.hero-orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.22) 0%, transparent 65%);
  top: -150px;
  right: -100px;
  animation-delay: 0s;
}

.hero-orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(157, 78, 255, 0.2) 0%, transparent 65%);
  bottom: -50px;
  left: -100px;
  animation-delay: -3s;
}

.hero-orb-3 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(0, 255, 135, 0.12) 0%, transparent 65%);
  top: 45%;
  left: 45%;
  animation-delay: -6s;
}

@keyframes orb-float {

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

  33% {
    transform: translate(20px, -30px) scale(1.05);
  }

  66% {
    transform: translate(-15px, 20px) scale(0.97);
  }
}

.hero-content {
  max-width: 1180px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 60px;
  align-items: center;
}

.hero-left {
  display: flex;
  flex-direction: column;
}

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

/* ---- Photo ---- */
.hero-photo-wrap {
  position: relative;
  width: 340px;
  height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: float-photo 6s ease-in-out infinite;
}

@keyframes float-photo {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-14px);
  }
}

.hero-photo {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 8%;
  position: relative;
  z-index: 2;
  background: #c8c8c8;
  border: 3px solid rgba(0, 212, 255, 0.4);
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.3), 0 0 80px rgba(157, 78, 255, 0.2);
}

.hero-photo-ring {
  position: absolute;
  width: 330px;
  height: 330px;
  border-radius: 50%;
  border: 2px solid transparent;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.5), rgba(157, 78, 255, 0.5), rgba(0, 255, 135, 0.3)) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: destination-out;
  mask-composite: exclude;
  animation: ring-spin 8s linear infinite;
  z-index: 1;
}

.hero-photo-ring-2 {
  width: 360px;
  height: 360px;
  border: 1.5px solid transparent;
  background: linear-gradient(225deg, rgba(0, 212, 255, 0.25), transparent, rgba(157, 78, 255, 0.25)) border-box;
  animation: ring-spin 12s linear infinite reverse;
  opacity: 0.6;
}

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

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

.hero-photo-badge {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 7px;
  background: rgba(4, 6, 15, 0.85);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #34d399;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

/* Responsive: stack on tablet */
@media (max-width: 900px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-right {
    display: none;
  }

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

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

  .hero-tech-stack {
    justify-content: center;
  }

  .section-label {
    justify-content: center;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
  animation: badge-glow 3s ease-in-out infinite;
}

@keyframes badge-glow {

  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }

  50% {
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.25);
  }
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6);
  }

  50% {
    opacity: 0.8;
    transform: scale(0.9);
    box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
  }
}

.hero-name {
  font-size: clamp(3.2rem, 7.5vw, 6rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin-bottom: 18px;
  background: linear-gradient(135deg, #ffffff 30%, rgba(255, 255, 255, 0.55));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title {
  font-size: clamp(1.15rem, 2.5vw, 1.65rem);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 28px;
  letter-spacing: -0.01em;
  min-height: 2.2em;
}

.typewriter-cursor {
  display: inline-block;
  width: 3px;
  height: 1.1em;
  background: var(--accent-blue);
  margin-left: 3px;
  vertical-align: middle;
  animation: blink 1s step-end infinite;
  box-shadow: 0 0 8px var(--accent-blue);
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin-bottom: 44px;
  line-height: 1.8;
}

.hero-desc em {
  color: var(--text-primary);
  font-style: normal;
  font-weight: 600;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 36px;
}

.stat {
  padding: 14px 16px;
  background: rgba(0, 212, 255, 0.04);
  border: 1px solid rgba(0, 212, 255, 0.1);
  border-radius: 12px;
  transition: var(--transition);
}

.stat:hover {
  background: rgba(0, 212, 255, 0.08);
  border-color: rgba(0, 212, 255, 0.25);
  transform: translateY(-2px);
}

.stat-number {
  display: block;
  font-size: 1.7rem;
  font-weight: 900;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  filter: drop-shadow(0 0 12px rgba(0, 212, 255, 0.4));
}

.stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 4px;
  display: block;
  letter-spacing: 0.03em;
}

.stat-divider {
  display: none;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

.hero-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-pill {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 500;
  font-family: 'JetBrains Mono', monospace;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}

.tech-pill:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.1);
  box-shadow: 0 0 16px rgba(59, 130, 246, 0.25);
  transform: translateY(-2px);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 56px;
  background: linear-gradient(to bottom, rgba(96, 165, 250, 0.6), transparent);
  animation: scroll-anim 2.2s ease-in-out infinite;
}

@keyframes scroll-anim {
  0% {
    opacity: 0;
    transform: scaleY(0);
    transform-origin: top;
  }

  50% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: scaleY(1);
    transform-origin: top;
  }
}

/* ============================
   ABOUT
   ============================ */
.about-section {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.about-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.4), rgba(139, 92, 246, 0.4), transparent);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 80px;
  align-items: start;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 18px;
  font-size: 1.05rem;
  line-height: 1.8;
}

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

.about-highlights {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.highlight-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 22px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.highlight-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient);
  border-radius: 0 2px 2px 0;
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.4s ease;
}

.highlight-item:hover::before {
  transform: scaleY(1);
}

.highlight-item:hover {
  border-color: rgba(59, 130, 246, 0.2);
  background: rgba(59, 130, 246, 0.05);
  transform: translateX(4px);
}

.highlight-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.highlight-item strong {
  display: block;
  font-weight: 700;
  margin-bottom: 4px;
}

.highlight-item span {
  font-size: 0.87rem;
  color: var(--text-secondary);
}

.about-card-wrap {
  position: sticky;
  top: 110px;
}

.about-card {
  background: rgba(13, 21, 38, 0.8);
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-radius: var(--radius);
  padding: 30px;
  backdrop-filter: blur(20px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.6), rgba(139, 92, 246, 0.6), transparent);
}

.about-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 26px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
}

.about-avatar {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.15rem;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
}

.about-card-name {
  font-weight: 700;
  font-size: 1.05rem;
}

.about-card-role {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.about-card-items {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 22px;
}

.card-item {
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--text-secondary);
  font-size: 0.87rem;
}

.card-item svg {
  color: var(--accent-blue);
  flex-shrink: 0;
}

.card-item a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

.card-item a:hover {
  color: var(--accent-blue);
}

.about-card-status {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #34d399;
  font-size: 0.83rem;
  font-weight: 600;
  padding: 11px 16px;
  background: rgba(16, 185, 129, 0.07);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: 10px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  animation: pulse-dot 2s infinite;
}

/* ============================
   SERVICES
   ============================ */
.services-section {
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.services-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.4), transparent);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.service-card {
  background: rgba(13, 21, 38, 0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  cursor: none;
}

/* Shimmer sweep */
.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.04), transparent);
  transform: skewX(-20deg);
  transition: left 0.6s ease;
}

.service-card:hover::after {
  left: 150%;
}

/* Glow border */
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0), rgba(59, 130, 246, 0.4), rgba(139, 92, 246, 0), rgba(139, 92, 246, 0.3));
  -webkit-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;
}

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

.service-card:hover {
  background: rgba(13, 21, 38, 0.9);
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(59, 130, 246, 0.08);
}

.service-card.featured {
  border-color: rgba(139, 92, 246, 0.3);
  background: linear-gradient(160deg, rgba(59, 130, 246, 0.08), rgba(139, 92, 246, 0.08), rgba(13, 21, 38, 0.8));
}

.featured-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--gradient);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  letter-spacing: 0.06em;
  box-shadow: 0 0 16px rgba(59, 130, 246, 0.4);
}

.service-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-blue);
  margin-bottom: 20px;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: rgba(59, 130, 246, 0.2);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
  transform: scale(1.1) rotate(-5deg);
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.service-tags li {
  background: rgba(59, 130, 246, 0.07);
  border: 1px solid rgba(59, 130, 246, 0.14);
  color: #93c5fd;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.73rem;
  font-weight: 500;
  font-family: 'JetBrains Mono', monospace;
  transition: var(--transition);
}

.service-tags li:hover {
  background: rgba(59, 130, 246, 0.18);
  border-color: rgba(59, 130, 246, 0.4);
}

/* ============================
   EXPERIENCE
   ============================ */
.experience-section {
  background: var(--bg-secondary);
  position: relative;
}

.experience-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.4), transparent);
}

.timeline {
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 22px;
  top: 10px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-blue), rgba(139, 92, 246, 0.4), transparent);
}

.timeline-item {
  display: flex;
  gap: 44px;
  position: relative;
  padding-left: 64px;
}

.timeline-dot {
  position: absolute;
  left: 14px;
  top: 10px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--gradient);
  border: 3px solid var(--bg-secondary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2), 0 0 20px rgba(59, 130, 246, 0.5);
  animation: dot-pulse 3s ease-in-out infinite;
}

@keyframes dot-pulse {

  0%,
  100% {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2), 0 0 20px rgba(59, 130, 246, 0.5);
  }

  50% {
    box-shadow: 0 0 0 6px rgba(59, 130, 246, 0.1), 0 0 40px rgba(59, 130, 246, 0.7);
  }
}

.timeline-card {
  flex: 1;
  background: rgba(13, 21, 38, 0.7);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px;
  backdrop-filter: blur(12px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.timeline-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.timeline-card:hover::before {
  transform: scaleX(1);
}

.timeline-card:hover {
  border-color: rgba(59, 130, 246, 0.2);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.job-title {
  font-size: 1.25rem;
  font-weight: 750;
  margin-bottom: 4px;
}

.company-name {
  font-size: 1.05rem;
  color: var(--accent-blue);
  font-weight: 600;
}

.job-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 7px;
}

.job-date {
  font-size: 0.83rem;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}

.job-badge.current {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 50px;
  background: rgba(16, 185, 129, 0.12);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
  letter-spacing: 0.06em;
  animation: badge-glow 3s ease-in-out infinite;
}

.job-summary {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 26px;
  line-height: 1.75;
}

.job-achievements {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 26px;
}

.job-achievements li {
  color: var(--text-secondary);
  font-size: 0.9rem;
  padding-left: 76px;
  position: relative;
  line-height: 1.65;
}

.achievement-metric {
  position: absolute;
  left: 0;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  font-size: 1.05rem;
  font-family: 'JetBrains Mono', monospace;
  top: 0;
  width: 68px;
  text-align: right;
  filter: drop-shadow(0 0 6px rgba(96, 165, 250, 0.4));
}

.job-achievements li:not(:has(.achievement-metric)) {
  padding-left: 18px;
}

.job-achievements li:not(:has(.achievement-metric))::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent-blue);
}

.job-tools {
  padding: 14px 20px;
  background: rgba(59, 130, 246, 0.04);
  border: 1px solid rgba(59, 130, 246, 0.1);
  border-radius: 12px;
  font-size: 0.83rem;
  color: var(--text-secondary);
  line-height: 1.9;
}

.job-tools strong {
  color: var(--text-primary);
}

/* ============================
   PROJECTS
   ============================ */
.projects-section {
  background: var(--bg-primary);
  perspective: 2000px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.project-card {
  background: rgba(13, 21, 38, 0.7);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  transition: transform 0.15s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  will-change: transform;
}

/* Gradient line top */
.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.project-card:hover::before {
  transform: scaleX(1);
}

/* Corner accent */
.project-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle at bottom right, rgba(59, 130, 246, 0.12) 0%, transparent 70%);
  border-radius: 0 0 var(--radius) 0;
  transition: var(--transition);
}

.project-card:hover::after {
  width: 120px;
  height: 120px;
}

.project-card:hover {
  border-color: rgba(59, 130, 246, 0.25);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(59, 130, 246, 0.06);
}

.project-number {
  font-size: 3.2rem;
  font-weight: 900;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.2;
  line-height: 1;
  margin-bottom: 10px;
  font-family: 'JetBrains Mono', monospace;
  transition: opacity 0.3s;
}

.project-card:hover .project-number {
  opacity: 0.4;
}

.project-content h3 {
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.project-content p {
  font-size: 0.87rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.project-impact {
  display: flex;
  gap: 20px;
  margin-bottom: 18px;
  padding: 14px 20px;
  background: rgba(59, 130, 246, 0.04);
  border: 1px solid rgba(59, 130, 246, 0.1);
  border-radius: 12px;
}

.impact-item {
  text-align: center;
}

.impact-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  filter: drop-shadow(0 0 8px rgba(96, 165, 250, 0.3));
}

.impact-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.project-tags span {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 3px 11px;
  border-radius: 50px;
  font-size: 0.73rem;
  font-family: 'JetBrains Mono', monospace;
  transition: var(--transition);
}

.project-card:hover .project-tags span {
  border-color: rgba(59, 130, 246, 0.15);
  color: #93c5fd;
}

/* ============================
   SKILLS
   ============================ */
.skills-section {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.skills-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.4), transparent);
}

.skills-clusters {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.skill-cluster {
  background: rgba(13, 21, 38, 0.65);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.skill-cluster::before {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.07) 0%, transparent 70%);
  transition: var(--transition);
}

.skill-cluster:hover::before {
  width: 150px;
  height: 150px;
}

.skill-cluster:hover {
  border-color: rgba(59, 130, 246, 0.2);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}

.cluster-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.cluster-icon {
  font-size: 1.5rem;
}

.cluster-header h4 {
  font-size: 0.95rem;
  font-weight: 700;
}

.skill-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.skill-pills span {
  background: rgba(59, 130, 246, 0.06);
  border: 1px solid rgba(59, 130, 246, 0.12);
  color: #93c5fd;
  padding: 5px 13px;
  border-radius: 50px;
  font-size: 0.77rem;
  font-weight: 500;
  transition: var(--transition);
}

.skill-pills span:hover {
  background: rgba(59, 130, 246, 0.18);
  border-color: rgba(59, 130, 246, 0.4);
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.25);
}

/* ============================
   EDUCATION
   ============================ */
.edu-section {
  background: var(--bg-primary);
}

.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.edu-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 32px;
}

.edu-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 22px 26px;
  background: rgba(13, 21, 38, 0.7);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.edu-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient);
  transform: scaleY(0);
  transition: transform 0.35s;
}

.edu-item:hover::before {
  transform: scaleY(1);
}

.edu-item:hover {
  border-color: rgba(59, 130, 246, 0.2);
  transform: translateX(5px);
}

.edu-icon {
  font-size: 1.7rem;
  flex-shrink: 0;
}

.edu-item h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.edu-school {
  font-size: 0.85rem;
  color: var(--accent-blue);
  font-weight: 600;
  margin-bottom: 2px;
}

.edu-year {
  font-size: 0.77rem;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}

.cert-items {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 32px;
}

.cert-item {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 14px 20px;
  background: rgba(13, 21, 38, 0.7);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.cert-item:hover {
  border-color: rgba(59, 130, 246, 0.2);
  color: var(--text-primary);
  transform: translateX(4px);
}

.cert-badge {
  flex-shrink: 0;
  padding: 3px 11px;
  border-radius: 7px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  background: var(--gradient);
  color: #fff;
  white-space: nowrap;
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

/* ============================
   VALUE BANNER
   ============================ */
.value-banner {
  position: relative;
  overflow: hidden;
  padding: 90px 0;
  background: var(--bg-secondary);
}

.value-banner::before,
.value-banner::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
}

.value-banner::before {
  top: 0;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.5), rgba(139, 92, 246, 0.5), transparent);
}

.value-banner::after {
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.4), rgba(59, 130, 246, 0.4), transparent);
}

/* Animated grid */
.value-banner-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
}

.banner-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.banner-text h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}

.banner-text p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
}

.banner-pillars {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pillar {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 22px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.pillar::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 14px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.4), transparent, rgba(139, 92, 246, 0.4));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.3s;
}

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

.pillar:hover {
  background: rgba(59, 130, 246, 0.05);
  transform: translateX(6px);
}

.pillar-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.pillar strong {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 3px;
}

.pillar span {
  font-size: 0.83rem;
  color: var(--text-secondary);
}

/* ============================
   CONTACT
   ============================ */
.contact-section {
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.contact-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.4), rgba(139, 92, 246, 0.4), transparent);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 52px;
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px 22px;
  background: rgba(13, 21, 38, 0.7);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-primary);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.contact-card::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.3s;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.06), rgba(139, 92, 246, 0.04));
}

.contact-card:hover::after {
  opacity: 1;
}

.contact-card:hover {
  border-color: rgba(59, 130, 246, 0.25);
  transform: translateX(6px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.contact-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
}

.contact-card:hover .contact-card-icon {
  transform: scale(1.1) rotate(-5deg);
}

.contact-card-icon.blue {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue);
  box-shadow: 0 0 16px rgba(59, 130, 246, 0.15);
}

.contact-card-icon.purple {
  background: rgba(139, 92, 246, 0.15);
  color: var(--accent-purple);
  box-shadow: 0 0 16px rgba(139, 92, 246, 0.15);
}

.contact-card-icon.cyan {
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(6, 182, 212, 0.15);
}

.contact-card-label {
  font-size: 0.74rem;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.contact-card-value {
  font-size: 0.92rem;
  font-weight: 600;
}

.contact-arrow {
  color: var(--text-muted);
  margin-left: auto;
  transition: var(--transition);
}

.contact-card:hover .contact-arrow {
  color: var(--accent-blue);
  transform: translateX(4px);
}

.contact-form {
  background: rgba(13, 21, 38, 0.8);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px;
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  position: relative;
  overflow: hidden;
}

.contact-form::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.5), rgba(139, 92, 246, 0.5), transparent);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 16px;
}

.form-group:last-of-type {
  margin-bottom: 0;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.form-group input,
.form-group textarea {
  background: rgba(255, 255, 255, 0.03);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 13px 18px;
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.92rem;
  transition: var(--transition);
  resize: vertical;
}

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

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.05);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.08), 0 0 20px rgba(59, 130, 246, 0.1);
}

.form-success {
  display: none;
  margin-top: 16px;
  padding: 14px 18px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: 10px;
  color: #34d399;
  font-size: 0.9rem;
  font-weight: 500;
}

.form-error {
  display: none;
  margin-top: 16px;
  padding: 14px 18px;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: 10px;
  color: #f87171;
  font-size: 0.9rem;
  font-weight: 500;
}

/* ============================
   FOOTER
   ============================ */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  padding: 52px 0 28px;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.3), rgba(139, 92, 246, 0.3), transparent);
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.footer-brand .nav-logo {
  font-size: 1.5rem;
  margin-bottom: 10px;
  display: inline-block;
}

.footer-brand p {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: 8px;
}

.footer-links {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: flex-start;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.87rem;
  padding: 7px 13px;
  border-radius: 9px;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.footer-tagline {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-style: italic;
  align-self: flex-end;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============================
   BACK TO TOP
   ============================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 90;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--gradient);
  color: #fff;
  border: none;
  cursor: none;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4), 0 0 40px rgba(59, 130, 246, 0.2);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px) scale(0.9);
  transition: var(--transition);
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0) scale(1);
}

.back-to-top:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 12px 36px rgba(59, 130, 246, 0.55), 0 0 60px rgba(59, 130, 246, 0.25);
}

/* ============================
   FADE IN ANIMATIONS
   ============================ */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-card-wrap {
    position: static;
  }

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

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

  .banner-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  body {
    cursor: auto;
  }

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

  a,
  button,
  .service-card,
  .project-card {
    cursor: pointer;
  }

  .section {
    padding: 72px 0;
  }

  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .services-grid,
  .projects-grid,
  .skills-clusters,
  .edu-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .timeline::before {
    display: none;
  }

  .timeline-item {
    padding-left: 0;
    flex-direction: column;
  }

  .timeline-dot {
    display: none;
  }

  .hero-stats {
    flex-direction: column;
    gap: 20px;
  }

  .stat-divider {
    width: 80px;
    height: 1px;
    margin: 0;
  }

  .footer-inner {
    flex-direction: column;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 110px 20px 80px;
  }

  .contact-form {
    padding: 24px;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
  }
}