:root {
  --bg: #0b1220;
  --surface: #131f36;
  --border: #223252;
  --text: #e8edf7;
  --text-muted: #9fb0cc;
  --accent: #4ea1ff;
  --accent-2: #7bd0ff;
  --radius: 10px;
  --max-width: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: #04070e;
}

body {
  margin: 0;
  background: transparent;
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
}

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

a {
  color: var(--accent-2);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Fixed background scene: souls walking toward the abyss ---- */

.scene {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: #04070e;
  pointer-events: none;
}

.scene-sky {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 72% 38% at 50% 58%, rgba(23, 96, 170, 0.5), transparent 70%),
    linear-gradient(180deg, #03060d 0%, #060d1a 24%, #0a1c34 50%, #04080f 100%);
}

.scene-art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.pit-core {
  transform-box: fill-box;
  transform-origin: center;
  animation: pitPulse 5.3s ease-in-out infinite;
}

.pit-bloom {
  mix-blend-mode: screen;
  transform-box: fill-box;
  transform-origin: center;
  animation: bloomPulse 8.1s ease-in-out infinite;
}

.pit-rim {
  animation: rimPulse 5.3s ease-in-out infinite;
}

.soul {
  transform-box: view-box;
  transform-origin: 0 0;
  opacity: 0;
  animation: soulWalk var(--dur) linear infinite;
  animation-delay: var(--delay);
}

.soul use {
  transform-box: fill-box;
  transform-origin: 50% 100%;
  animation: soulBob var(--bob) ease-in-out infinite;
}

.scene-beam {
  position: absolute;
  left: 50%;
  bottom: 40%;
  width: 58%;
  height: 52%;
  transform: translateX(-50%);
  background: radial-gradient(
    ellipse 26% 54% at 50% 100%,
    rgba(140, 216, 255, 0.24),
    rgba(41, 134, 224, 0.08) 45%,
    transparent 70%
  );
  filter: blur(16px);
  mix-blend-mode: screen;
  animation: beamFlicker 6.7s ease-in-out infinite;
}

.scene-embers {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.scene-fog {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 58% 11% at 30% 63%, rgba(150, 205, 245, 0.1), transparent 70%),
    radial-gradient(ellipse 52% 9% at 72% 71%, rgba(150, 205, 245, 0.08), transparent 70%);
  animation: fogDrift 34s ease-in-out infinite alternate;
}

.scene-vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 92% 78% at 50% 56%, transparent 38%, rgba(2, 5, 10, 0.8) 100%),
    linear-gradient(180deg, rgba(2, 5, 10, 0.75) 0%, transparent 24%);
}

@keyframes soulWalk {
  0% {
    transform: translate(var(--x0), var(--y0)) scale(var(--s0));
    opacity: 0;
  }
  12% {
    opacity: var(--op);
  }
  72% {
    opacity: var(--op);
  }
  100% {
    transform: translate(var(--x1), var(--y1)) scale(var(--s1));
    opacity: 0;
  }
}

@keyframes soulBob {
  50% {
    transform: translateY(-3px);
  }
}

@keyframes pitPulse {
  0%,
  100% {
    opacity: 0.88;
    transform: scale(0.985);
  }
  50% {
    opacity: 1;
    transform: scale(1.015);
  }
}

@keyframes bloomPulse {
  0%,
  100% {
    opacity: 0.85;
  }
  50% {
    opacity: 1;
  }
}

@keyframes rimPulse {
  0%,
  100% {
    opacity: 0.7;
  }
  50% {
    opacity: 1;
  }
}

@keyframes beamFlicker {
  0%,
  100% {
    opacity: 0.75;
  }
  35% {
    opacity: 1;
  }
  60% {
    opacity: 0.82;
  }
}

@keyframes fogDrift {
  to {
    transform: translateX(6%);
  }
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 18, 32, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--text);
  white-space: nowrap;
}

.logo span {
  color: var(--accent);
}

.svg-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.nav {
  display: flex;
  gap: 26px;
}

.nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding-bottom: 5px;
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: color 0.25s ease;
}

.nav a:hover {
  color: var(--text);
  text-decoration: none;
}

.nav-icon {
  width: 17px;
  height: 17px;
  flex: none;
  fill: currentColor;
  transition: transform 0.4s cubic-bezier(0.34, 1.4, 0.64, 1), color 0.25s ease;
}

.nav a:hover .nav-icon {
  color: var(--accent-2);
  transform: rotate(-14deg) scale(1.18);
}

.drip {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -20px;
  height: 24px;
  filter: url(#goo);
  pointer-events: none;
}

.drip::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 4px;
  border-radius: 2px;
  background: var(--accent-2);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.drip i {
  position: absolute;
  top: -1px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-2);
  opacity: 0;
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.25s ease;
}

.drip i:nth-child(1) {
  left: 14%;
}

.drip i:nth-child(2) {
  left: 46%;
  width: 10px;
  height: 10px;
}

.drip i:nth-child(3) {
  left: 76%;
}

.nav a:hover .drip::before {
  transform: scaleX(1);
}

.nav a:hover .drip i {
  opacity: 1;
}

.nav a:hover .drip i:nth-child(1) {
  transform: translateY(7px);
}

.nav a:hover .drip i:nth-child(2) {
  transform: translateY(12px);
  transition-delay: 0.06s;
}

.nav a:hover .drip i:nth-child(3) {
  transform: translateY(5px);
  transition-delay: 0.12s;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

/* Hero */
.hero {
  padding: 110px 0 90px;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    100deg,
    rgba(3, 7, 14, 0.86) 0%,
    rgba(3, 7, 14, 0.42) 42%,
    transparent 68%
  );
  pointer-events: none;
}

.hero > .container {
  position: relative;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  font-weight: 600;
  margin: 0 0 12px;
}

.hero-text h1 {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  margin: 0 0 8px;
}

.hero-role {
  color: var(--text-muted);
  font-size: 1.15rem;
  margin: 0 0 20px;
}

.hero-desc {
  color: var(--text-muted);
  max-width: 46ch;
  margin: 0 0 32px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  position: relative;
  display: inline-block;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
}

.btn:hover {
  text-decoration: none;
}

.melt-label {
  position: relative;
  z-index: 1;
  display: block;
  padding: 12px 24px;
}

.melt-bg {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: -46px;
  z-index: 0;
  filter: url(#goo);
  pointer-events: none;
}

.melt-bg::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: calc(100% - 46px);
  border-radius: var(--radius);
  background: var(--melt-fill);
  transition: background 0.3s ease;
}

.melt-bg i {
  position: absolute;
  bottom: 46px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--melt-fill);
  transition: transform 0.6s cubic-bezier(0.45, 0, 0.25, 1), background 0.3s ease;
}

.melt-bg i:nth-child(1) {
  left: 9%;
  --d: 15px;
}

.melt-bg i:nth-child(2) {
  left: 27%;
  width: 11px;
  height: 11px;
  --d: 27px;
}

.melt-bg i:nth-child(3) {
  left: 45%;
  width: 16px;
  height: 16px;
  --d: 19px;
}

.melt-bg i:nth-child(4) {
  left: 64%;
  width: 12px;
  height: 12px;
  --d: 33px;
}

.melt-bg i:nth-child(5) {
  left: 82%;
  --d: 13px;
}

.btn:hover .melt-bg i {
  transform: translateY(var(--d));
}

.btn:hover .melt-bg i:nth-child(2) {
  transition-delay: 0.05s;
}

.btn:hover .melt-bg i:nth-child(3) {
  transition-delay: 0.1s;
}

.btn:hover .melt-bg i:nth-child(4) {
  transition-delay: 0.04s;
}

.btn:hover .melt-bg i:nth-child(5) {
  transition-delay: 0.13s;
}

.btn-primary {
  --melt-fill: var(--accent);
  color: #04101f;
}

.btn-primary:hover {
  --melt-fill: var(--accent-2);
}

.btn-outline {
  --melt-fill: rgba(8, 15, 27, 0.92);
  border-color: var(--border);
  color: var(--text);
}

.btn-outline:hover {
  --melt-fill: rgba(14, 32, 56, 0.95);
  border-color: var(--accent);
  color: var(--accent-2);
}

.photo-frame {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 1 / 1;
}

.photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.photo-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(123, 208, 255, 0.4);
  opacity: 0;
  transition: opacity 0.7s ease;
  pointer-events: none;
}

.photo-frame:hover img {
  opacity: 0.07;
  transform: scale(1.03);
}

.photo-frame:hover::after {
  opacity: 1;
}

.photo-frame {
  transition: box-shadow 0.7s ease, border-color 0.7s ease;
}

.photo-frame:hover {
  border-color: rgba(123, 208, 255, 0.45);
  box-shadow: 0 0 48px 4px rgba(41, 182, 255, 0.3);
}

@media (prefers-reduced-motion: reduce) {
  .photo-frame img,
  .photo-frame::after,
  .melt-bg i,
  .drip i,
  .drip::before,
  .nav-icon,
  .contact-card,
  .contact-icon,
  .contact-go {
    transition: none;
  }
  .soul,
  .soul use,
  .pit-core,
  .pit-bloom,
  .pit-rim,
  .scene-beam,
  .scene-fog {
    animation: none;
  }
  .soul {
    opacity: var(--op);
    transform: translate(var(--x1), var(--y1)) scale(var(--s1));
  }
}

/* Sections */
.section {
  padding: 36px 0;
}

.section > .container {
  background: rgba(7, 13, 24, 0.74);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(78, 161, 255, 0.16);
  border-radius: 18px;
  padding: 48px 44px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

.section-alt > .container {
  background: rgba(10, 20, 38, 0.74);
}

.section-title {
  font-size: 1.8rem;
  margin: 0 0 32px;
}

.about-text {
  color: var(--text-muted);
  text-align: justify;
  hyphens: auto;
}

/* Skills */
.tag-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 0 0 40px;
}

.tag-list li {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.9rem;
}

.sub-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.sub-grid h3 {
  margin: 0 0 12px;
  font-size: 1.1rem;
}

.plain-list {
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.plain-list li span {
  color: var(--text);
  font-weight: 600;
  margin-left: 8px;
}

/* Timeline */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.timeline-item:last-child {
  border-bottom: none;
}

.timeline-date {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  color: var(--accent-2);
  font-size: 0.9rem;
  font-weight: 600;
}

.xp-icon {
  --xp-guitar: var(--accent);
  width: 34px;
  height: 46px;
  flex: none;
  fill: var(--text-muted);
  opacity: 0.75;
  transition: fill 0.35s ease, opacity 0.35s ease, transform 0.35s ease;
}

.timeline-item:hover .xp-icon {
  --xp-guitar: var(--accent-2);
  fill: #dbe9ff;
  opacity: 1;
  transform: translateY(-3px) scale(1.08);
}

.timeline-body h3 {
  margin: 0 0 4px;
  font-size: 1.2rem;
}

.timeline-org {
  color: var(--text-muted);
  margin: 0 0 12px;
  font-weight: 600;
}

.timeline-body ul {
  margin: 0;
  padding-left: 20px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.timeline-body strong {
  color: var(--text);
}

/* Education */
.edu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.edu-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.edu-item h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.edu-item p {
  margin: 0;
  color: var(--text-muted);
}

/* Contact */
.contact-lead {
  color: var(--text-muted);
  margin: 0 0 32px;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(10, 17, 32, 0.55);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.25s ease, background 0.25s ease,
    transform 0.25s ease, box-shadow 0.25s ease;
}

.contact-card.is-static {
  cursor: default;
}

a.contact-card:hover,
a.contact-card:focus-visible {
  text-decoration: none;
  border-color: var(--accent);
  background: rgba(14, 26, 48, 0.8);
  transform: translateY(-3px);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.35);
}

.contact-icon {
  flex: none;
  width: 26px;
  height: 26px;
  fill: var(--accent);
  transition: fill 0.25s ease, transform 0.25s ease;
}

a.contact-card:hover .contact-icon {
  fill: var(--accent-2);
  transform: scale(1.12);
}

.contact-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.contact-label {
  font-weight: 600;
  letter-spacing: 0.01em;
}

.contact-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  overflow-wrap: anywhere;
}

.contact-go {
  margin-left: auto;
  color: var(--accent);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

a.contact-card:hover .contact-go,
a.contact-card:focus-visible .contact-go {
  opacity: 1;
  transform: translateX(0);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  background: rgba(3, 7, 14, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.site-footer p {
  margin: 0 0 4px;
}

.footer-credit {
  font-size: 0.8rem;
  opacity: 0.8;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Responsive */
@media (max-width: 800px) {
  .section > .container {
    padding: 32px 22px;
    border-radius: 14px;
  }

  .hero::before {
    background: linear-gradient(180deg, rgba(3, 7, 14, 0.9) 0%, rgba(3, 7, 14, 0.55) 100%);
  }

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

  .hero-photo {
    max-width: 260px;
    margin: 0 auto;
  }

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

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

  .timeline-item {
    grid-template-columns: 1fr;
  }

  .timeline-date {
    flex-direction: row;
    align-items: center;
    gap: 12px;
  }

  .xp-icon {
    width: 26px;
    height: 35px;
  }

  .nav {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 16px 24px;
    display: none;
  }

  .nav.is-open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }
}