:root {
  --bg: #04050e;
  --panel: rgba(9, 12, 26, 0.75);
  --panel-strong: rgba(255, 255, 255, 0.08);
  --text: #eef4ff;
  --muted: #c1f7d6;
  --accent: #4ade80;
  --accent-2: #22c55e;
  --accent-3: #16a34a;
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  overflow-x: hidden;
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.7);
  }
  50% {
    box-shadow: 0 0 0 12px rgba(74, 222, 128, 0);
  }
}

@keyframes float-scale {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.04);
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

@keyframes glow-pulse {
  0%, 100% {
    opacity: 0.35;
  }
  50% {
    opacity: 0.65;
  }
}

@keyframes glow-sweep {
  0% {
    opacity: 0.9;
    background-position: -220% 0;
  }
  50% {
    opacity: 1;
    background-position: 220% 0;
  }
  100% {
    opacity: 0.9;
    background-position: -220% 0;
  }
}

@keyframes shimmer-sweep {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

@keyframes page-float {
  0%, 100% {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 0.35;
  }
  50% {
    transform: translate3d(30px, -20px, 0) scale(1.05);
    opacity: 0.55;
  }
}

@keyframes rotate-gradient {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes orbit-around {
  0% {
    transform: rotate(0deg) translateX(120px) rotate(0deg);
  }
  100% {
    transform: rotate(360deg) translateX(120px) rotate(-360deg);
  }
}

@keyframes orbit-around-sm {
  0% {
    transform: rotate(0deg) translateX(95px) rotate(0deg);
  }
  100% {
    transform: rotate(360deg) translateX(95px) rotate(-360deg);
  }
}

@keyframes orbit-reverse {
  0% {
    transform: rotate(-360deg) translateX(110px) rotate(360deg);
  }
  100% {
    transform: rotate(0deg) translateX(110px) rotate(0deg);
  }
}

.orbit-container {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  overflow: hidden;
  max-width: 100%;
  max-height: 100%;
}

@keyframes spin-ring {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes spin-ring-reverse {
  0% { transform: rotate(360deg); }
  100% { transform: rotate(0deg); }
}

.orbit-particle {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(74, 222, 128, 0.8);
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.9);
  left: 50%;
  top: 50%;
  margin: -2px 0 0 -2px;
}

body {
  min-height: 100vh;
  font-family: "Inter", sans-serif;
  color: var(--text);
  background-image: radial-gradient(circle at top left, rgba(74, 222, 128, 0.08), transparent 20%),
    radial-gradient(circle at bottom right, rgba(34, 197, 94, 0.1), transparent 25%),
    linear-gradient(180deg, #060712 0%, #090a12 45%, #060612 100%);
  background-size: 150% 150%, 150% 150%, 100% 100%;
  background-position: 0% 50%, 100% 50%, 50% 50%;
  animation: background-pulse 18s ease-in-out infinite;
  overflow-x: hidden;
  position: relative;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}

body::before {
  top: -100px;
  left: -100px;
  background: radial-gradient(circle, rgba(74, 222, 128, 0.28), transparent 38%);
  animation: page-float 12s ease-in-out infinite, glow-drift 35s ease-in-out infinite;
}

body::after {
  right: -100px;
  bottom: -100px;
  background: radial-gradient(circle, rgba(34, 197, 94, 0.24), transparent 42%);
  box-shadow: inset 0 0 180px rgba(34, 197, 94, 0.12);
  animation: page-float 10s ease-in-out infinite, glow-drift-reverse 38s ease-in-out infinite;
  animation-delay: 4s, 4s;
}

@keyframes background-pulse {
  0%, 100% {
    background-position: 0% 50%, 100% 50%, 50% 50%;
  }
  50% {
    background-position: 15% 55%, 85% 45%, 50% 50%;
  }
}

@keyframes glow-drift {
  0%, 100% {
    transform: translate(0, 0);
    opacity: 1;
  }
  50% {
    transform: translate(20px, 18px);
    opacity: 0.85;
  }
}

@keyframes glow-drift-reverse {
  0%, 100% {
    transform: translate(0, 0);
    opacity: 1;
  }
  50% {
    transform: translate(-18px, -22px);
    opacity: 0.8;
  }
}

#particles-js {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.music-toggle {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 20;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: var(--accent-2);
  font-size: 1.1rem;
  display: grid;
  place-items: center;
  backdrop-filter: blur(12px);
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.music-toggle:hover {
  transform: scale(1.05);
  background: rgba(255, 255, 255, 0.14);
  box-shadow: 0 16px 34px rgba(74, 222, 128, 0.15);
}

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem 0 1rem;
  position: relative;
  z-index: 1;
}

.hero-card {
  position: relative;
  width: min(520px, calc(100% - 2rem));
  padding: 2rem 1.5rem 1.8rem;
  background: rgba(7, 12, 26, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 32px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  overflow: visible;
  max-width: calc(100vw - 2rem);
  box-sizing: border-box;
  transform: none;
  transition: none;
}

.hero-card-glow {
  position: absolute;
  inset: -12px;
  z-index: 0;
  background: radial-gradient(circle, rgba(74, 222, 128, 0.18), transparent 42%);
  filter: blur(26px);
}

.avatar-wrap {
  position: relative;
  width: 134px;
  height: 134px;
  margin: 0 auto 1.4rem;
  border-radius: 50%;
  border: 2px solid rgba(74, 222, 128, 0.9);
  box-shadow: 0 0 0 8px rgba(74, 222, 128, 0.06);
  background: radial-gradient(circle at top left, rgba(74, 222, 128, 0.35), transparent 35%);
  overflow: hidden;
  z-index: 1;
  animation: pulse-glow 2.5s ease-in-out infinite;
}

.avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-card h1 {
  font-size: 2rem;
  text-align: center;
  letter-spacing: 0.03em;
  margin-bottom: 0.9rem;
  z-index: 1;
  animation: float-scale 3s ease-in-out infinite;
}

.name-title {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.08em;
  font-weight: 800;
  text-transform: uppercase;
  text-shadow: 0 0 12px rgba(74, 222, 128, 0.2);
}

.name-title span {
  display: inline-block;
  color: #f7fffb;
  animation: name-bounce 2.2s ease-in-out infinite;
  text-shadow: 0 0 8px rgba(74, 222, 128, 0.25);
}

.name-title span:nth-child(2n) {
  animation-delay: 0.1s;
}

.name-title span:nth-child(3n) {
  animation-delay: 0.2s;
}

.name-title span:nth-child(4n) {
  animation-delay: 0.3s;
}

@keyframes name-bounce {
  0%, 100% {
    transform: translateY(0) scale(1);
    color: #f7fffb;
    text-shadow: 0 0 8px rgba(74, 222, 128, 0.2);
  }
  50% {
    transform: translateY(-4px) scale(1.06);
    color: #7ef0a8;
    text-shadow: 0 0 14px rgba(74, 222, 128, 0.45);
  }
}

.location-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 auto 1rem;
  padding: 0.75rem 1.15rem;
  border-radius: 999px;
  border: 1px solid rgba(74, 222, 128, 0.35);
  background: rgba(74, 222, 128, 0.08);
  color: var(--text);
  font-weight: 600;
  cursor: default;
  z-index: 1;
}

.location-pill i {
  color: var(--accent);
}

.subtitle {
  text-align: center;
  color: #e8fdf3;
  font-size: 1rem;
  font-style: italic;
  margin-bottom: 1.8rem;
  z-index: 1;
  letter-spacing: 0.01em;
  text-shadow: 0 0 18px rgba(74, 222, 128, 0.25);
  background: linear-gradient(90deg, rgba(74, 222, 128, 0.35), rgba(255, 255, 255, 0.6));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: subtitle-pop 5s ease-in-out infinite;
}

@keyframes subtitle-pop {
  0%, 100% {
    opacity: 0.88;
    transform: translateY(0px);
  }
  50% {
    opacity: 1;
    transform: translateY(-2px);
  }
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  z-index: 1;
}

.link-button {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  justify-content: center;
  min-height: 62px;
  padding: 0 1rem;
  border-radius: 18px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  position: relative;
  z-index: 1;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  user-select: none;
}

.link-button:hover {
  transform: scale(1.02);
  filter: brightness(1.15);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
  border-color: rgba(255, 255, 255, 0.25);
}

.link-button.facebook {
  color: #1877f2;
  background: rgba(24, 119, 242, 0.14);
  border-color: rgba(24, 119, 242, 0.22);
  transition: all 0.3s ease;
}

.link-button.facebook:hover {
  box-shadow: 0 0 20px rgba(24, 119, 242, 0.4);
}

.link-button.instagram {
  color: #ff7dbd;
  background: rgba(255, 125, 189, 0.14);
  border-color: rgba(255, 125, 189, 0.22);
  transition: all 0.3s ease;
}

.link-button.instagram:hover {
  box-shadow: 0 0 20px rgba(255, 125, 189, 0.4);
}

.link-button.zalo {
  color: #0068ff;
  background: rgba(0, 104, 255, 0.14);
  border-color: rgba(0, 104, 255, 0.22);
  transition: all 0.3s ease;
}

.link-button.zalo:hover {
  box-shadow: 0 0 20px rgba(0, 104, 255, 0.4);
}

.link-button.chess {
  color: #2a8f3b;
  background: rgba(42, 143, 59, 0.14);
  border-color: rgba(42, 143, 59, 0.22);
  transition: all 0.3s ease;
}

.link-button.chess:hover {
  box-shadow: 0 0 20px rgba(42, 143, 59, 0.4);
}

.link-button.free-fire {
  grid-column: 1 / -1;
  justify-self: center;
  width: 100%;
  color: #d44638;
  background: rgba(212, 70, 56, 0.14);
  border-color: rgba(212, 70, 56, 0.22);
  transition: all 0.3s ease;
}

.link-button.free-fire:hover {
  box-shadow: 0 0 20px rgba(212, 70, 56, 0.4);
}

.link-button.tik-tok {
  color: #69c9d0;
  background: rgba(105, 201, 208, 0.14);
  border-color: rgba(105, 201, 208, 0.22);
  transition: all 0.3s ease;
}

.link-button.tik-tok:hover {
  box-shadow: 0 0 20px rgba(105, 201, 208, 0.4);
}

.scroll-hint {
  margin-top: 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.95rem;
  z-index: 1;
}

.scroll-hint i {
  font-size: 0.95rem;
  animation: float-up 2s ease-in-out infinite;
}

.section {
  padding: 3rem 0 4rem;
  position: relative;
  z-index: 1;
}

.section.academics {
  padding-top: 0;
}

.section-heading {
  text-align: center;
  color: rgba(255, 255, 255, 0.75);
  font-size: 1rem;
  letter-spacing: 0.45em;
  margin-bottom: 1.5rem;
}

.achievements-card,
.academics-card {
  position: relative;
  width: min(720px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.8rem;
  background: rgba(6, 8, 18, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  overflow: visible;
  max-width: calc(100vw - 2rem);
  box-sizing: border-box;
}

.achievements-card {
  animation: glow-sweep 6s ease-in-out infinite;
}

.achievements-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 28px;
  background: linear-gradient(90deg, transparent, rgba(74, 222, 128, 0.18), transparent);
  background-size: 220% 100%;
  animation: shimmer-sweep 4s linear infinite;
  pointer-events: none;
  z-index: 0;
}

.academics-card::after {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 28px;
  padding: 1px;
  background: linear-gradient(90deg, rgba(74, 222, 128, 0.4), rgba(34, 197, 94, 0.35), rgba(74, 222, 128, 0.25));
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: subtract;
  pointer-events: none;
  z-index: -1;
}

.academics-top {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.35rem;
}

.academics-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(191, 74, 255, 0.22), rgba(10, 243, 255, 0.22));
  color: var(--accent);
}

.academics-top h2 {
  font-size: 1.75rem;
  margin-bottom: 0.25rem;
  background: linear-gradient(90deg, #1877f2 0%, #ffffff 25%, #1877f2 50%, #ffffff 75%, #1877f2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.academics-top p {
  color: var(--muted);
}

.academics-info {
  display: grid;
  gap: 0.95rem;
  margin-bottom: 1.65rem;
}

.academics-info div {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--muted);
  font-size: 0.98rem;
}

.academics-info strong {
  color: var(--text);
}

.academics-info span,
.academics-info i {
  color: var(--accent);
}

.progress-row {
  display: grid;
  gap: 0.8rem;
}

.progress-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font-size: 0.95rem;
}

.progress-bar {
  position: relative;
  width: 100%;
  height: 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.progress-bar::before {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(74, 222, 128, 0.8), rgba(190, 255, 146, 0.5), rgba(34, 197, 94, 0.8));
  filter: blur(10px);
  z-index: -1;
}

.progress-fill {
  width: 43%;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.footer {
  text-align: center;
  padding: 1rem 0 2rem;
  color: rgba(255, 255, 255, 0.55);
}

@media (max-width: 720px) {
  .hero-card {
    padding: 1.8rem 1.2rem 1.4rem;
  }

  .avatar-wrap {
    width: 120px;
    height: 120px;
  }

  .hero-card h1 {
    font-size: 1.9rem;
  }

  .location-pill,
  .subtitle {
    font-size: 0.95rem;
  }

  .links-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
  }

  .link-button {
    min-height: 56px;
    border-radius: 16px;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
    touch-action: manipulation;
  }

  .link-button:active {
    transform: scale(0.98);
    box-shadow: 0 10px 24px rgba(74, 222, 128, 0.16);
  }

  .section-heading {
    letter-spacing: 0.35em;
  }

  .hero-card {
    border-color: rgba(74, 222, 128, 0.18);
    box-shadow: 0 25px 80px rgba(74, 222, 128, 0.16);
  }

  .hero-card::after {
    content: "";
    position: absolute;
    inset: -14px;
    border-radius: 36px;
    background: radial-gradient(circle, rgba(74, 222, 128, 0.14), transparent 60%);
    filter: blur(18px);
    pointer-events: none;
    z-index: 0;
  }
}

@media (max-width: 540px) {
  .hero-card {
    width: calc(100% - 1.5rem);
  }

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

  .link-button.bank {
    width: 100%;
  }

  .academics-card,
  .achievements-card,
  .clock-card {
    width: calc(100% - 1.5rem);
  }

  .academics-top {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .achievement-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .achievement-icon {
    width: 48px;
    height: 48px;
  }

  .music-toggle {
    width: 46px;
    height: 46px;
    bottom: 1rem;
    right: 1rem;
  }
}

.achievements-card {
  position: relative;
  width: min(720px, calc(100% - 2rem));
  margin: 0 auto 1.5rem;
  padding: 1.8rem;
  background: rgba(6, 8, 18, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  overflow: visible;
  max-width: calc(100vw - 2rem);
  box-sizing: border-box;
}

.achievement-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.achievement-item {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1rem 1rem 1.1rem;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.achievement-item:hover {
  transform: scale(1.02);
  box-shadow: 0 12px 24px rgba(74, 222, 128, 0.18);
  border-color: rgba(74, 222, 128, 0.25);
}

.achievement-item:hover .achievement-icon {
  transform: rotate(8deg) scale(1.05);
}

.achievement-icon {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(74, 222, 128, 0.18), rgba(34, 197, 94, 0.18));
  color: #d8f5c7;
}

.achievement-item h3 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.achievement-item p {
  color: var(--muted);
  font-size: 0.95rem;
}

.clock-card {
  position: relative;
  padding: 1.6rem;
  background: rgba(6, 8, 18, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px);
  max-width: min(720px, calc(100vw - 2rem));
  margin: 0 auto;
  overflow: visible;
  box-sizing: border-box;
}

.clock-card::after {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 28px;
  padding: 1px;
  background: linear-gradient(45deg, rgba(74, 222, 128, 0.4), rgba(34, 197, 94, 0.35), rgba(74, 222, 128, 0.25));
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: subtract;
  pointer-events: none;
  z-index: -1;
}

.clock-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.clock-title {
  color: var(--muted);
  letter-spacing: 0.35em;
  font-size: 0.85rem;
  text-transform: uppercase;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0.95rem;
  border-radius: 999px;
  border: 1px solid rgba(10, 243, 255, 0.25);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
}

.clock-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

#clock-time {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: #ffffff;
  animation: glow-pulse 2s ease-in-out infinite;
  text-shadow: 0 0 20px rgba(10, 243, 255, 0.5);
}

#clock-date {
  font-size: 1rem;
  color: var(--muted);
  letter-spacing: 0.2em;
  animation: float-up 4s ease-in-out infinite;
}

@media (max-width: 720px) {
  .clock-card {
    padding: 1.4rem;
  }

  #clock-time {
    font-size: 2.6rem;
  }
}

@media (max-width: 540px) {
  .clock-head {
    flex-direction: column;
    align-items: flex-start;
  }

  #clock-time {
    font-size: 2.2rem;
  }
}