:root {
  --bg: #06080d;
  --bg-soft: #0b1018;
  --panel: rgba(15, 23, 32, 0.64);
  --panel-strong: rgba(18, 28, 40, 0.82);
  --line: rgba(171, 228, 255, 0.18);
  --line-strong: rgba(116, 241, 210, 0.42);
  --text: #f4f8fb;
  --muted: #9dadba;
  --cyan: #56d7ff;
  --green: #72f4c8;
  --amber: #ffd166;
  --rose: #ff6b9d;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
  --radius: 8px;
  --container: min(1120px, calc(100% - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    linear-gradient(135deg, rgba(86, 215, 255, 0.08), transparent 28%),
    linear-gradient(225deg, rgba(114, 244, 200, 0.05), transparent 32%),
    var(--bg);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.72), transparent 84%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 0%, rgba(6, 8, 13, 0.52) 48%, #06080d 100%);
}

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

button,
input,
textarea {
  font: inherit;
}

.music-toggle {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 13px;
  color: var(--text);
  background: rgba(8, 13, 20, 0.78);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.music-toggle:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  background: rgba(16, 26, 38, 0.88);
}

.music-icon {
  position: relative;
  width: 16px;
  height: 16px;
  border: 2px solid var(--green);
  border-radius: 50%;
  box-shadow: 0 0 18px rgba(114, 244, 200, 0.35);
}

.music-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green);
  transform: translate(-50%, -50%);
}

.music-toggle.is-playing .music-icon {
  animation: music-pulse 1.8s ease-in-out infinite;
}

.music-toggle.is-muted .music-icon,
.music-toggle.is-waiting .music-icon {
  border-color: var(--amber);
}

.music-toggle.is-muted .music-icon::after,
.music-toggle.is-waiting .music-icon::after {
  background: var(--amber);
}

.site-header {
  position: fixed;
  top: 0;
  left: 50%;
  z-index: 20;
  display: flex;
  width: var(--container);
  transform: translateX(-50%);
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  transition: padding 220ms ease, background 220ms ease, border-color 220ms ease;
}

.site-header.is-scrolled {
  top: 12px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 13, 20, 0.78);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.brand {
  position: relative;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--text);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a {
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.92rem;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  border-color: var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  transition: transform 180ms ease;
}

.section {
  width: var(--container);
  margin: 0 auto;
  padding: 110px 0;
}

.hero {
  display: grid;
  min-height: 100vh;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.82fr);
  align-items: center;
  gap: 64px;
  padding-top: 130px;
  padding-bottom: 72px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 850px;
  margin-bottom: 18px;
  font-size: clamp(3rem, 7vw, 6.8rem);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  max-width: 720px;
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.1rem;
  letter-spacing: 0;
}

.tagline {
  margin-bottom: 18px;
  color: var(--cyan);
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 700;
}

.hero-text,
.about-panel p {
  max-width: 660px;
  color: var(--muted);
  font-size: 1.03rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 0 18px;
  font-weight: 800;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: #041016;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  box-shadow: 0 18px 42px rgba(86, 215, 255, 0.18);
}

.btn-ghost {
  border-color: var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.hero-visual {
  position: relative;
  min-height: 560px;
  isolation: isolate;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 8% 4%;
  z-index: -1;
  border: 1px solid rgba(86, 215, 255, 0.12);
  background:
    linear-gradient(120deg, rgba(86, 215, 255, 0.16), transparent 44%),
    linear-gradient(300deg, rgba(255, 209, 102, 0.08), transparent 50%);
  clip-path: polygon(12% 0, 100% 0, 88% 100%, 0 100%);
  filter: blur(0.2px);
}

#character-canvas {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 560px;
  cursor: grab;
}

#character-canvas:active {
  cursor: grabbing;
}

.character-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  margin: 0;
  color: var(--muted);
  text-align: center;
  pointer-events: none;
}

.section-heading {
  margin-bottom: 34px;
}

.about-panel,
.contact-form,
.project-card,
.status-card,
.contact-links a {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.about-panel {
  max-width: 850px;
  padding: 28px;
}

.about-panel p {
  margin-bottom: 0;
}

.skill-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.skill-card {
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  background: rgba(255, 255, 255, 0.045);
  font-weight: 800;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.skill-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  background: rgba(114, 244, 200, 0.08);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.project-card {
  display: flex;
  min-height: 300px;
  flex-direction: column;
  padding: 22px;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: var(--line-strong);
  background: var(--panel-strong);
}

.project-card p {
  color: var(--muted);
  line-height: 1.65;
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 18px;
}

.tech-pill,
.status-pill {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 10px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.status-pill {
  color: var(--green);
  border-color: rgba(114, 244, 200, 0.34);
}

.status-pill.offline {
  color: var(--amber);
  border-color: rgba(255, 209, 102, 0.34);
}

.project-actions {
  display: flex;
  gap: 10px;
  margin-top: auto;
}

.project-actions .btn {
  min-height: 40px;
  padding: 0 14px;
  font-size: 0.9rem;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.status-card {
  position: relative;
  overflow: hidden;
  padding: 20px;
}

.status-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-left: 3px solid var(--green);
  pointer-events: none;
}

.status-card span {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
}

.status-card strong {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  font-size: 1.35rem;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 20px rgba(114, 244, 200, 0.72);
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.7fr 1fr;
  gap: 18px;
}

.contact-links {
  display: grid;
  align-content: start;
  gap: 12px;
}

.contact-links a {
  padding: 18px;
  color: var(--text);
  font-weight: 800;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.contact-links a:hover {
  transform: translateX(4px);
  border-color: var(--line-strong);
  background: rgba(86, 215, 255, 0.08);
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 22px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px 14px;
  color: var(--text);
  background: rgba(2, 6, 12, 0.72);
  outline: none;
  resize: vertical;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--line-strong);
  box-shadow: 0 0 0 4px rgba(114, 244, 200, 0.08);
}

.form-note {
  min-height: 20px;
  margin: 0;
  color: var(--green);
}

.site-footer {
  display: flex;
  width: var(--container);
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin: 0 auto;
  padding: 34px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-mark {
  margin: 0;
  color: var(--text);
  font-weight: 800;
  letter-spacing: 0.1em;
}