/* Discord palette: blurple #5865F2, dark grays #313338/#2B2D31/#1E1F22 */
:root {
  --bg: #ffffff;
  --bg-card: #ffffff;
  --text: #313338;
  --text-soft: #4e5058;
  --text-faint: #949ba4;
  --border: #e3e5e8;
  --accent: #5865f2;
  --accent-soft: #e6e8fd;
  --tag-bg: #f2f3f5;
  --shadow: 0 2px 4px rgba(0, 0, 0, 0.08), 0 6px 24px rgba(0, 0, 0, 0.06);
}

html[data-theme="dark"] {
  --bg: #313338;
  --bg-card: #2b2d31;
  --text: #dbdee1;
  --text-soft: #b5bac1;
  --text-faint: #80848e;
  --border: #3f4147;
  --accent: #7984f5;
  --accent-soft: #3c4270;
  --tag-bg: #232428;
  --shadow: 0 2px 4px rgba(0, 0, 0, 0.3), 0 6px 24px rgba(0, 0, 0, 0.35);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s ease, color 0.3s ease;
}

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Theme toggle */
.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  cursor: pointer;
  font-size: 1.1rem;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, background 0.3s ease;
  z-index: 10;
}
.theme-toggle:hover {
  transform: scale(1.08);
}
.theme-icon-moon {
  display: none;
}
html[data-theme="dark"] .theme-icon-sun {
  display: none;
}
html[data-theme="dark"] .theme-icon-moon {
  display: inline;
}

/* Hero */
.hero {
  padding: 120px 0 72px;
}
.eyebrow {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9rem;
  color: var(--accent);
  letter-spacing: 0.02em;
  margin-bottom: 8px;
}
.hero h1 {
  font-size: clamp(2.4rem, 7vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: 20px;
}
.tagline {
  font-size: clamp(1.15rem, 3vw, 1.35rem);
  color: var(--text);
  max-width: 46ch;
  margin-bottom: 20px;
}
.tagline em {
  font-style: normal;
  color: var(--accent);
  font-weight: 600;
}
.intro {
  color: var(--text-soft);
  font-size: 1.02rem;
  max-width: 70ch;
  margin-bottom: 28px;
}
.hint {
  color: var(--text-faint);
  font-size: 0.92rem;
}
.socials {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.98rem;
}
.socials a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1.5px solid var(--accent);
  padding-bottom: 1px;
  transition: color 0.2s ease;
}
.socials a:hover {
  color: var(--accent);
}
.socials .dot {
  color: var(--text-faint);
}

/* Avatar */
.avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  margin-bottom: 28px;
  overflow: hidden;
  border: 2px solid var(--border);
  box-shadow: var(--shadow);
}
.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.avatar-fallback {
  width: 100%;
  height: 100%;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: "JetBrains Mono", monospace;
  font-size: 1.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* Buttons */
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn-primary {
  background: var(--accent);
  color: var(--bg-card);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* About */
.about {
  padding: 8px 0 72px;
  border-top: 1px solid var(--border);
  padding-top: 56px;
}
.about-text {
  color: var(--text-soft);
  font-size: 1.05rem;
  margin-bottom: 40px;
  text-align: justify;
}
.terminal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.terminal-bar {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--tag-bg);
}
.tl-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.tl-red {
  background: #ff5f56;
}
.tl-yellow {
  background: #ffbd2e;
}
.tl-green {
  background: #27c93f;
}
.terminal-title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  color: var(--text-faint);
  white-space: nowrap;
}
.skills-tree {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  line-height: 2;
  color: var(--text-soft);
  margin: 0;
  padding: 18px 26px 22px;
  overflow-x: auto;
  white-space: pre;
}
.skills-tree .prompt {
  color: var(--text-faint);
}
.skills-tree .dollar {
  color: var(--accent);
  font-weight: 500;
}
.skills-tree .branch {
  color: var(--text-faint);
}
.skills-tree .dir {
  color: var(--accent);
  font-weight: 500;
}
.skills-tree .summary {
  color: var(--text-faint);
}
.terminal-scroll {
  max-height: 480px;
  overflow-y: auto;
  cursor: text;
}
.term-output {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  line-height: 1.8;
  color: var(--text-soft);
  margin: 0;
  padding: 0 26px 4px;
  white-space: pre-wrap;
  word-break: break-word;
}
.term-output:empty {
  display: none;
}
.term-output .t-cmd {
  color: var(--text-faint);
}
.term-output .t-err {
  color: #ff5f56;
}
.term-output .dollar {
  color: var(--accent);
  font-weight: 500;
}
.term-input-line {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0 26px 20px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
}
.term-input-line .dollar {
  color: var(--accent);
  font-weight: 500;
}
.term-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font: inherit;
  caret-color: var(--accent);
  padding: 0;
}
.term-input::placeholder {
  color: var(--text-faint);
  opacity: 0.7;
}

/* Contact */
.contact {
  border-top: 1px solid var(--border);
  padding: 64px 0 100px;
}
.contact .projects-title {
  margin-bottom: 20px;
}
.contact-text {
  text-align: center;
  color: var(--text-soft);
  max-width: 52ch;
  margin: 0 auto;
}
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}

/* Scroll reveal (classes added by script.js, skipped for reduced motion) */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Projects */
.projects {
  border-top: 1px solid var(--border);
  padding-top: 56px;
  padding-bottom: 80px;
}
.projects-eyebrow {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-faint);
  text-align: center;
  margin-bottom: 14px;
}
.projects-title {
  text-align: center;
  font-size: clamp(2rem, 5.5vw, 3.1rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 56px;
}
.nowrap {
  white-space: nowrap;
}

/* Carousel: card positions/blur/opacity are set inline by script.js */
.carousel-stage {
  position: relative;
  height: 480px;
  overflow: hidden;
}
.carousel .card {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(580px, calc(100vw - 48px));
  margin: 0;
  transform: translate(-50%, -50%);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.carousel .card.is-active {
  border-color: var(--accent);
  box-shadow: var(--shadow), 0 0 0 3px var(--accent-soft);
}
.carousel-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 28px;
}
.carousel-arrow {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  cursor: pointer;
  font-size: 1rem;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, border-color 0.2s ease, color 0.2s ease;
}
.carousel-arrow:hover {
  transform: scale(1.08);
  border-color: var(--accent);
  color: var(--accent);
}
.carousel-dots {
  display: flex;
  gap: 8px;
}
.carousel-dots button {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: none;
  padding: 0;
  background: var(--border);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}
.carousel-dots button.active {
  background: var(--accent);
  transform: scale(1.25);
}
@media (max-width: 720px) {
  .carousel-stage {
    height: auto !important;
    overflow: visible;
  }
  .carousel .card,
  .carousel .card.is-active {
    position: static;
    width: auto;
    margin: 0 0 20px;
    transform: none;
    box-shadow: var(--shadow);
    border-color: var(--border);
  }
  .carousel-nav {
    display: none;
  }
}
.section-title {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-faint);
  margin-bottom: 24px;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.card:hover,
.card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--accent);
  outline: none;
}
.card:focus-visible {
  box-shadow: var(--shadow), 0 0 0 3px var(--accent-soft);
}
.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.card-head h3 {
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.status {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
  background: var(--accent-soft);
  color: var(--accent);
}
.status-wip {
  background: transparent;
  border: 1px dashed var(--accent);
}
.badges {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.grade {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
  background: var(--accent);
  color: var(--bg-card);
}
.grade-note {
  display: inline-block;
  font-size: 0.92rem;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 8px 14px;
  border-radius: 10px;
  margin-bottom: 24px !important;
}
.grade-note strong {
  color: var(--accent);
  font-weight: 700;
}
.card-desc {
  color: var(--text-soft);
  margin-bottom: 18px;
}
.card-desc code {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85em;
  background: var(--tag-bg);
  padding: 1px 5px;
  border-radius: 5px;
}
.tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.tags li {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  color: var(--text-soft);
  background: var(--tag-bg);
  padding: 4px 10px;
  border-radius: 5px;
}
.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.read-more {
  font-weight: 600;
  color: var(--accent);
  font-size: 0.95rem;
}
.card:hover .read-more {
  text-decoration: underline;
}
.code-link {
  font-weight: 500;
  color: var(--text-faint);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}
.code-link:hover {
  color: var(--accent);
  text-decoration: underline;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 100;
}
.modal.open {
  display: block;
}
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(3px);
  animation: fade 0.2s ease;
}
.modal-panel {
  position: relative;
  max-width: 860px;
  margin: 6vh auto;
  max-height: 88vh;
  overflow-y: auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 36px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  animation: pop 0.22s cubic-bezier(0.2, 0.8, 0.3, 1);
}
.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-soft);
  cursor: pointer;
  font-size: 0.85rem;
  display: grid;
  place-items: center;
  transition: background 0.2s ease, color 0.2s ease;
}
.modal-close:hover {
  background: var(--tag-bg);
  color: var(--text);
}
.modal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-right: 40px;
  flex-wrap: wrap;
}
.modal-header h3 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.modal-body .detail-lead {
  color: var(--text-soft);
  font-size: 1.05rem;
  margin-bottom: 24px;
  text-align: justify;
}
.modal-body h4 {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin: 26px 0 12px;
}
.modal-body p {
  color: var(--text-soft);
  margin-bottom: 12px;
}
.modal-body code {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85em;
  background: var(--tag-bg);
  padding: 1px 5px;
  border-radius: 5px;
  color: var(--text);
}
.detail-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.detail-list li {
  color: var(--text-soft);
  padding-left: 18px;
  position: relative;
}
.detail-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--accent);
}
.detail-list strong,
.modal-body p strong {
  color: var(--text);
  font-weight: 600;
}
.diagram {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  line-height: 1.45;
  color: var(--text-soft);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 28px;
  overflow-x: auto;
  white-space: pre;
  width: fit-content;
  max-width: 100%;
  margin: 0 auto;
}
.wip-banner {
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 0.92rem;
  margin-bottom: 8px;
}
.modal-body .tags {
  margin-top: 12px;
  margin-bottom: 0;
}
.modal-footer {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.modal-footer a {
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}
.modal-footer a:hover {
  text-decoration: underline;
}
@keyframes fade {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes pop {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
  color: var(--text-faint);
  font-size: 0.88rem;
}

@media (max-width: 520px) {
  .hero {
    padding: 96px 0 56px;
  }
  .card {
    padding: 22px;
  }
  .card-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .modal-panel {
    margin: 0;
    max-height: 100vh;
    min-height: 100vh;
    border-radius: 0;
    padding: 28px 22px 40px;
  }
  .diagram {
    font-size: 0.62rem;
  }
  .btn {
    flex: 1;
    justify-content: center;
  }
}