/* =========================================================
   恒温 HENGWEN — Personal Brand Site
   Style: Editorial tech × literary warmth
   Palette: deep ink + warm amber + cool cyan/violet
   ========================================================= */

:root {
  /* Base */
  --bg: #0a0e14;
  --bg-2: #0f1520;
  --bg-3: #141c2a;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.07);
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.16);

  /* Ink */
  --ink: #f2efe8;
  --ink-2: rgba(242, 239, 232, 0.72);
  --ink-3: rgba(242, 239, 232, 0.48);
  --ink-4: rgba(242, 239, 232, 0.28);

  /* Temperature accents — remapped by JS */
  --warm: #ff7a59;
  --warm-2: #ffb07c;
  --cool: #64d2ff;
  --cool-2: #5b8def;
  --violet: #a78bfa;
  --green: #4ade80;

  /* Dynamic hue mix (0 = cool, 100 = warm) */
  --temp: 52%;
  --accent: color-mix(in srgb, var(--cool) calc(100% - var(--temp)), var(--warm) var(--temp));
  --accent-soft: color-mix(in srgb, var(--cool) calc(100% - var(--temp)), var(--warm-2) var(--temp));
  --accent-glow: color-mix(in srgb, var(--cool-2) calc(100% - var(--temp)), var(--warm) var(--temp));

  /* Type */
  --font-display: "Noto Serif SC", "Songti SC", "STSong", Georgia, serif;
  --font-body: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "Consolas", ui-monospace, monospace;

  /* Layout */
  --container: 1180px;
  --nav-h: 72px;
  --radius: 18px;
  --radius-sm: 12px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.4, 0.64, 1);
  --nav-bg: rgba(10, 14, 20, 0.78);
  --overlay: rgba(5, 8, 12, 0.72);
  --shadow-lg: 0 30px 80px rgba(0, 0, 0, 0.5);
  --btn-primary-ink: #0a0e14;
  color-scheme: dark;
}

/* Light mode — warm paper editorial */
html[data-theme="light"] {
  --bg: #f4efe6;
  --bg-2: #fbf7f0;
  --bg-3: #ebe3d6;
  --surface: rgba(28, 22, 16, 0.04);
  --surface-2: rgba(28, 22, 16, 0.07);
  --line: rgba(28, 22, 16, 0.1);
  --line-strong: rgba(28, 22, 16, 0.16);

  --ink: #1c1610;
  --ink-2: rgba(28, 22, 16, 0.72);
  --ink-3: rgba(28, 22, 16, 0.5);
  --ink-4: rgba(28, 22, 16, 0.3);

  --warm: #d4562b;
  --warm-2: #e07a3d;
  --cool: #2a7fb8;
  --cool-2: #3d6fd4;
  --violet: #7256c8;
  --green: #2f9e5c;

  --nav-bg: rgba(244, 239, 230, 0.94);
  --overlay: rgba(28, 22, 16, 0.35);
  --shadow-lg: 0 24px 60px rgba(28, 22, 16, 0.14);
  --btn-primary-ink: #fffaf3;
  color-scheme: light;
}

html[data-theme="light"] body {
  background:
    radial-gradient(1200px 600px at 80% -10%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 60%),
    radial-gradient(900px 500px at 10% 20%, color-mix(in srgb, var(--violet) 8%, transparent), transparent 55%),
    var(--bg);
}

html[data-theme="light"] .noise {
  opacity: 0.03;
  mix-blend-mode: multiply;
}

html[data-theme="light"] .icon-btn {
  background: rgba(244, 239, 230, 0.55);
  border-color: rgba(28, 22, 16, 0.1);
  color: var(--ink-2);
}

html[data-theme="light"] .nav__cta {
  background: rgba(244, 239, 230, 0.55);
  border-color: rgba(28, 22, 16, 0.12);
  color: var(--ink) !important;
}

html[data-theme="light"] .nav__cta:hover {
  background: rgba(244, 239, 230, 0.85);
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
}

html[data-theme="light"] .nav__mark {
  box-shadow: 0 8px 24px rgba(28, 22, 16, 0.12);
}

html[data-theme="light"] .nav__word {
  color: var(--ink-2);
}

html[data-theme="light"] .nav__links a {
  color: var(--ink-2);
}

html[data-theme="light"] .nav__links a:hover {
  color: var(--ink);
}

html[data-theme="light"] .nav.is-scrolled {
  background: rgba(244, 239, 230, 0.94);
  backdrop-filter: blur(16px);
  border-bottom-color: rgba(28, 22, 16, 0.08);
}

html[data-theme="light"] .nav {
  border-bottom-color: transparent;
  background: transparent;
}

html[data-theme="light"] .btn--primary {
  color: var(--btn-primary-ink);
  box-shadow: 0 10px 30px color-mix(in srgb, var(--accent) 22%, transparent);
}

html[data-theme="light"] .hero__veil {
  background: linear-gradient(to top, var(--bg) 0%, transparent 28%);
  pointer-events: none;
}

html[data-theme="light"] .hero__content::before {
  background: radial-gradient(ellipse 55% 60% at 50% 48%, rgba(77, 124, 254, 0.16) 0%, transparent 65%);
}

html[data-theme="light"] .hero__title {
  text-shadow: none;
}

html[data-theme="light"] .portrait-card {
  box-shadow: 0 18px 50px rgba(28, 22, 16, 0.08);
}

html[data-theme="light"] .work-card {
  box-shadow: 0 12px 36px rgba(28, 22, 16, 0.06);
}

html[data-theme="light"] .work-card:hover {
  box-shadow: 0 22px 50px rgba(28, 22, 16, 0.12);
}

html[data-theme="light"] .work-card__cover {
  filter: saturate(0.95) brightness(0.92) contrast(1.02);
}

html[data-theme="light"] .contact__panel {
  box-shadow: 0 18px 50px rgba(28, 22, 16, 0.08);
}

html[data-theme="light"] .reader__backdrop {
  background: rgba(28, 22, 16, 0.32);
}

html[data-theme="light"] .reader__panel {
  box-shadow: var(--shadow-lg);
}

html[data-theme="light"] .temp-dock {
  background: rgba(251, 247, 240, 0.88);
  box-shadow: 0 12px 36px rgba(28, 22, 16, 0.1);
}

html[data-theme="light"] .toast {
  background: rgba(251, 247, 240, 0.95);
  box-shadow: 0 16px 40px rgba(28, 22, 16, 0.12);
}

html[data-theme="light"] .hero__badge-core {
  background: rgba(251, 247, 240, 0.85);
}

html[data-theme="light"] .marquee {
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--accent) 8%, transparent), transparent);
}

html[data-theme="light"] .footer {
  background: rgba(28, 22, 16, 0.03);
}

html[data-theme="light"] .cursor-glow {
  mix-blend-mode: multiply;
  opacity: 0.55;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 12%, transparent), transparent 70%);
}

html[data-theme="light"] .giscus-wrap,
html[data-theme="light"] .guestbook__notice {
  box-shadow: 0 10px 30px rgba(28, 22, 16, 0.05);
}

html[data-theme="light"] .skill-bar {
  background: rgba(28, 22, 16, 0.08);
}

html[data-theme="light"] .btn--ghost {
  background: rgba(28, 22, 16, 0.03);
}

/* Theme / language controls */
.nav__tools {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 4px;
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-2);
  display: inline-grid;
  place-items: center;
  transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease, transform 0.25s var(--ease);
}

.icon-btn:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
  color: var(--ink);
  transform: translateY(-1px);
}

.icon-btn svg {
  width: 18px;
  height: 18px;
}

.icon-btn .icon-sun {
  display: none;
}

html[data-theme="light"] .icon-btn .icon-sun {
  display: block;
}

html[data-theme="light"] .icon-btn .icon-moon {
  display: none;
}

.lang-btn {
  width: auto;
  min-width: 48px;
  padding: 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  font-weight: 600;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  transition: background 0.6s ease;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

::selection {
  background: color-mix(in srgb, var(--accent) 40%, transparent);
  color: var(--ink);
}

/* Noise overlay */
.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 9998;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.cursor-glow {
  pointer-events: none;
  position: fixed;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 18%, transparent), transparent 70%);
  transform: translate(-50%, -50%);
  z-index: 1;
  opacity: 0;
  transition: opacity 0.4s ease;
  mix-blend-mode: screen;
}

body.is-pointer .cursor-glow {
  opacity: 1;
}

/* ---------- Utilities ---------- */
.container {
  width: min(100% - 40px, var(--container));
  margin-inline: auto;
}

.section {
  padding: clamp(72px, 10vw, 128px) 0;
  position: relative;
}

.section__head {
  margin-bottom: clamp(36px, 5vw, 64px);
}

.section__head--row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.section__index {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.section__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.section__desc {
  margin: 0;
  max-width: 360px;
  color: var(--ink-2);
  font-size: 15px;
}

.text-gradient {
  background: linear-gradient(120deg, var(--cool), var(--accent), var(--warm));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: var(--d, 0s);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: transform 0.35s var(--ease), background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
  will-change: transform;
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent-soft), var(--accent), var(--accent-glow));
  color: #0a0e14;
  font-weight: 600;
  box-shadow: 0 10px 30px color-mix(in srgb, var(--accent) 28%, transparent);
}

.btn--primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 16px 40px color-mix(in srgb, var(--accent) 38%, transparent);
}

.btn--ghost {
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink);
  backdrop-filter: blur(12px);
}

.btn--ghost:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--line-strong));
  background: var(--surface-2);
  transform: translateY(-2px);
}

.btn--full {
  width: 100%;
}

/* ---------- Temperature dock ---------- */
.temp-dock {
  position: fixed;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 12px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(15, 21, 32, 0.72);
  backdrop-filter: blur(16px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.temp-dock__btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--ink-2);
  transition: color 0.3s ease;
}

.temp-dock__btn:hover {
  color: var(--accent);
}

.temp-dock__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  writing-mode: vertical-rl;
}

.temp-dock__meter {
  width: 4px;
  height: 48px;
  border-radius: 999px;
  background: var(--line);
  overflow: hidden;
  position: relative;
}

.temp-dock__meter i {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--temp);
  background: linear-gradient(to top, var(--cool), var(--accent), var(--warm));
  transition: height 0.3s ease;
}

.temp-dock__range {
  writing-mode: vertical-lr;
  direction: rtl;
  width: 22px;
  height: 100px;
  accent-color: var(--accent);
  cursor: ns-resize;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(18px, 4vw, 40px);
  transition: background 0.4s ease, border-color 0.4s ease, backdrop-filter 0.4s ease;
  border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
  background: var(--nav-bg);
  backdrop-filter: blur(18px);
  border-bottom-color: var(--line);
}

.nav__logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  z-index: 2;
}

.nav__mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  flex-shrink: 0;
  overflow: hidden;
  box-shadow: 0 8px 24px color-mix(in srgb, var(--accent) 28%, transparent);
}

.nav__mark .logo-mark {
  width: 38px;
  height: 38px;
  display: block;
}

.nav__word {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--ink-2);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.2vw, 28px);
}

.nav__links a {
  position: relative;
  font-size: 14px;
  color: var(--ink-2);
  transition: color 0.25s ease;
}

.nav__links a:not(.nav__cta)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}

.nav__links a:hover {
  color: var(--ink);
}

.nav__links a:not(.nav__cta):hover::after {
  transform: scaleX(1);
}

.nav__cta {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink) !important;
  transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease;
}

.nav__cta:hover {
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  transform: translateY(-1px);
}

.nav__burger {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  place-items: center;
  gap: 5px;
  flex-direction: column;
  z-index: 2;
}

.nav__burger span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav__burger[aria-expanded="true"] span:first-child {
  transform: translateY(3.25px) rotate(45deg);
}

.nav__burger[aria-expanded="true"] span:last-child {
  transform: translateY(-3.25px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: calc(var(--nav-h) + 24px) 20px 80px;
  overflow: hidden;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero__veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to top, var(--bg) 0%, transparent 28%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  width: min(100%, 860px);
  text-align: center;
  padding: 12px 0 8px;
}

.hero__content::before {
  content: "";
  position: absolute;
  inset: -12% -8%;
  z-index: -1;
  background: radial-gradient(ellipse 55% 60% at 50% 48%, rgba(77, 124, 254, 0.18) 0%, transparent 65%);
  filter: blur(12px);
  pointer-events: none;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-2);
  backdrop-filter: blur(10px);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.6);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.55); }
  70% { box-shadow: 0 0 0 10px rgba(74, 222, 128, 0); }
  100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0); }
}

.hero__title {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-size: clamp(36px, 7.2vw, 72px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  text-shadow: 0 8px 40px rgba(10, 14, 20, 0.55);
}

.hero__line {
  display: block;
}

.hero__accent {
  position: relative;
  background: linear-gradient(120deg, var(--warm-2), var(--accent), var(--cool));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lead {
  margin: 0 auto 32px;
  max-width: 560px;
  color: var(--ink-2);
  font-size: clamp(15px, 2.2vw, 18px);
  line-height: 1.85;
}

.hero__lead strong {
  color: var(--ink);
  font-weight: 600;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-bottom: 48px;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(24px, 5vw, 48px);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  min-width: 90px;
}

.stat strong {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.1;
  background: linear-gradient(180deg, var(--ink), var(--ink-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat span {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-3);
}

.hero__scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--ink-3);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero__scroll i {
  width: 1px;
  height: 42px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%, 100% { transform: scaleY(0.4); opacity: 0.4; transform-origin: top; }
  50% { transform: scaleY(1); opacity: 1; transform-origin: top; }
}

.hero__badge {
  position: absolute;
  right: clamp(16px, 5vw, 64px);
  bottom: clamp(80px, 12vh, 140px);
  z-index: 2;
  width: 110px;
  height: 110px;
  display: grid;
  place-items: center;
}

.hero__ring {
  position: absolute;
  inset: 0;
  animation: spin 18s linear infinite;
}

.hero__ring text {
  fill: var(--ink-3);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
}

.hero__badge-core {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  border: 1px solid var(--line-strong);
  background: rgba(15, 21, 32, 0.7);
  color: var(--accent);
  backdrop-filter: blur(8px);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- Marquee ---------- */
.marquee {
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--accent) 6%, transparent), transparent);
  padding: 18px 0;
}

.marquee__track {
  display: flex;
  align-items: center;
  gap: 28px;
  width: max-content;
  animation: marquee 32s linear infinite;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.5vw, 28px);
  color: var(--ink-3);
  white-space: nowrap;
}

.marquee__track i {
  color: var(--accent);
  font-style: normal;
  font-size: 0.7em;
}

@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ---------- About ---------- */
.about__grid {
  display: grid;
  grid-template-columns: minmax(260px, 380px) 1fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

.portrait-card {
  position: relative;
  border-radius: 28px;
  border: 1px solid var(--line);
  background:
    linear-gradient(160deg, color-mix(in srgb, var(--accent) 12%, transparent), transparent 50%),
    var(--bg-2);
  overflow: hidden;
  transition: transform 0.5s var(--ease), border-color 0.4s ease;
}

.portrait-card:hover {
  transform: translateY(-6px) rotateX(2deg) rotateY(-2deg);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
}

.portrait-card__glow {
  position: absolute;
  inset: -40% -20% auto;
  height: 70%;
  background: radial-gradient(circle at 50% 30%, color-mix(in srgb, var(--accent) 28%, transparent), transparent 70%);
  filter: blur(10px);
  pointer-events: none;
}

.portrait-card__face {
  position: relative;
  padding: 36px 28px 28px;
}

.portrait-card__avatar {
  height: 220px;
  border-radius: 22px;
  display: grid;
  place-items: center;
  gap: 10px;
  margin-bottom: 24px;
  overflow: hidden;
  background:
    radial-gradient(circle at 30% 20%, color-mix(in srgb, var(--warm) 35%, transparent), transparent 50%),
    radial-gradient(circle at 80% 80%, color-mix(in srgb, var(--cool) 30%, transparent), transparent 45%),
    linear-gradient(160deg, #1a2434, #0d1420);
  border: 1px solid var(--line);
  font-family: var(--font-display);
  position: relative;
}

.portrait-card__avatar img {
  width: 132px;
  height: 132px;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35);
}

.portrait-card__avatar span {
  font-size: 56px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--warm-2), var(--ink), var(--cool));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.portrait-card__avatar small {
  font-family: var(--font-mono);
  letter-spacing: 0.18em;
  font-size: 11px;
  color: var(--ink-3);
}

.portrait-card__meta {
  display: grid;
  gap: 16px;
}

.portrait-card__meta label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 4px;
}

.portrait-card__meta p {
  margin: 0;
  font-size: 15px;
  color: var(--ink-2);
}

.status-live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green) !important;
  white-space: nowrap;
}

.status-live__dot {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s infinite;
}

.status-live__text {
  display: inline;
  width: auto !important;
  height: auto !important;
  border-radius: 0 !important;
  background: none !important;
  animation: none !important;
  white-space: nowrap;
}

.about__copy {
  padding-top: 8px;
}

.about__lead {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.65;
  color: var(--ink);
  margin: 0 0 22px;
}

.about__copy p {
  margin: 0 0 18px;
  color: var(--ink-2);
  max-width: 58ch;
}

.about__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 28px 0 0;
}

.about__tags li {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  font-size: 13px;
  color: var(--ink-2);
  transition: border-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

.about__tags li:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
  color: var(--ink);
  transform: translateY(-2px);
}

/* ---------- Craft poles ---------- */
.craft__poles {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: clamp(18px, 3vw, 28px);
  align-items: stretch;
}

.pole {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  padding: clamp(22px, 3vw, 32px);
  transition: transform 0.45s var(--ease), border-color 0.35s ease, box-shadow 0.35s ease;
}

.pole:hover {
  transform: translateY(-4px);
}

.pole--cool {
  background:
    linear-gradient(165deg, color-mix(in srgb, var(--cool) 12%, transparent), transparent 45%),
    var(--surface);
}

.pole--cool:hover {
  border-color: color-mix(in srgb, var(--cool) 45%, var(--line));
  box-shadow: 0 20px 50px color-mix(in srgb, var(--cool) 12%, transparent);
}

.pole--warm {
  background:
    linear-gradient(165deg, color-mix(in srgb, var(--warm) 12%, transparent), transparent 45%),
    var(--surface);
}

.pole--warm:hover {
  border-color: color-mix(in srgb, var(--warm) 45%, var(--line));
  box-shadow: 0 20px 50px color-mix(in srgb, var(--warm) 12%, transparent);
}

.pole__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  margin-bottom: 14px;
}

.pole--cool .pole__tag { color: var(--cool); }
.pole--warm .pole__tag { color: var(--warm); }

.pole__head h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 600;
}

.pole__head p {
  margin: 0 0 28px;
  color: var(--ink-2);
  font-size: 14px;
}

.pole__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.pole__list li strong {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
}

.pole__list li > span {
  display: block;
  font-size: 13px;
  color: var(--ink-3);
  margin-bottom: 10px;
}

.skill-bar {
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.skill-bar i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  transition: width 1.2s var(--ease);
}

.pole--cool .skill-bar i {
  background: linear-gradient(90deg, var(--cool-2), var(--cool));
}

.pole--warm .skill-bar i {
  background: linear-gradient(90deg, var(--warm-2), var(--warm));
}

.pole.is-in .skill-bar i {
  width: var(--w);
}

.craft__orb {
  display: grid;
  place-items: center;
  min-width: 140px;
}

.orb {
  position: relative;
  width: 140px;
  height: 140px;
  display: grid;
  place-items: center;
}

.orb__core {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: #0a0e14;
  background: linear-gradient(145deg, var(--warm), var(--accent), var(--cool));
  box-shadow:
    0 0 40px color-mix(in srgb, var(--accent) 45%, transparent),
    0 0 80px color-mix(in srgb, var(--accent) 20%, transparent);
  animation: corePulse 3.5s ease-in-out infinite;
  z-index: 2;
}

@keyframes corePulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.orb__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  animation: ringSpin 12s linear infinite;
}

.orb__ring--2 {
  inset: -14px;
  border-style: dashed;
  animation-duration: 18s;
  animation-direction: reverse;
  opacity: 0.7;
}

.orb__ring--3 {
  inset: -28px;
  opacity: 0.4;
  animation-duration: 26s;
}

@keyframes ringSpin {
  to { transform: rotate(360deg); }
}

/* ---------- Works ---------- */
.works__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.chip {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink-2);
  font-size: 13px;
  transition: all 0.3s var(--ease);
}

.chip:hover {
  border-color: var(--line-strong);
  color: var(--ink);
  transform: translateY(-1px);
}

.chip.is-active {
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 90%, #fff 5%), var(--accent-glow));
  border-color: transparent;
  color: #0a0e14;
  font-weight: 600;
}

.works__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.work-card {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-2);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition:
    transform 0.5s var(--ease),
    border-color 0.35s ease,
    box-shadow 0.35s ease,
    opacity 0.35s ease;
  transform-style: preserve-3d;
  cursor: pointer;
}

.work-card.is-hidden {
  display: none;
}

.work-card:hover,
.work-card:focus-visible {
  transform: translateY(-8px);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.35);
  outline: none;
}

.work-card__media {
  position: relative;
  height: 180px;
  overflow: hidden;
}

.work-card__cover {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 0.6s var(--ease), filter 0.5s ease;
  filter: saturate(0.92) brightness(0.78) contrast(1.05);
  z-index: 0;
}

.work-card:hover .work-card__cover {
  transform: scale(1.08);
  filter: saturate(1.05) brightness(0.88) contrast(1.08);
}

.work-card__mesh {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.45;
  transition: transform 0.6s var(--ease), opacity 0.4s ease;
  mix-blend-mode: soft-light;
}

.work-card:hover .work-card__mesh {
  transform: scale(1.06);
  opacity: 0.28;
}

.work-card__media--a .work-card__mesh {
  background:
    radial-gradient(circle at 20% 30%, rgba(100, 210, 255, 0.45), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(167, 139, 250, 0.4), transparent 42%),
    linear-gradient(135deg, #152033, #0c121c);
}

.work-card__media--b .work-card__mesh {
  background:
    radial-gradient(circle at 70% 20%, rgba(74, 222, 128, 0.35), transparent 40%),
    radial-gradient(circle at 20% 80%, rgba(100, 210, 255, 0.4), transparent 45%),
    linear-gradient(160deg, #102028, #0a1018);
}

.work-card__media--c .work-card__mesh {
  background:
    radial-gradient(circle at 30% 40%, rgba(255, 122, 89, 0.45), transparent 42%),
    radial-gradient(circle at 80% 20%, rgba(255, 176, 124, 0.35), transparent 40%),
    linear-gradient(145deg, #241810, #120c0a);
}

.work-card__media--d .work-card__mesh {
  background:
    radial-gradient(circle at 50% 30%, rgba(242, 239, 232, 0.18), transparent 45%),
    radial-gradient(circle at 20% 80%, rgba(255, 122, 89, 0.25), transparent 40%),
    linear-gradient(150deg, #1c1a16, #0e0d0c);
}

.work-card__media--e .work-card__mesh {
  background:
    radial-gradient(circle at 60% 40%, rgba(167, 139, 250, 0.4), transparent 42%),
    radial-gradient(circle at 15% 20%, rgba(255, 122, 89, 0.3), transparent 40%),
    linear-gradient(135deg, #1a1424, #0e0c16);
}

.work-card__media--f .work-card__mesh {
  background:
    radial-gradient(circle at 40% 60%, rgba(255, 176, 124, 0.4), transparent 42%),
    radial-gradient(circle at 85% 25%, rgba(100, 210, 255, 0.3), transparent 40%),
    linear-gradient(155deg, #221812, #100c0a);
}

.work-card__num {
  position: absolute;
  left: 18px;
  top: 16px;
  z-index: 3;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.75);
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(8px);
}

.work-card__body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 12px;
}

.work-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.work-card__tags span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--accent);
  padding: 4px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

.work-card__body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
}

.work-card__body p {
  margin: 0;
  color: var(--ink-3);
  font-size: 14px;
  line-height: 1.7;
  flex: 1;
}

.work-card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  font-size: 14px;
  color: var(--ink-2);
  transition: color 0.3s ease, gap 0.3s ease;
}

.work-card__link span {
  transition: transform 0.3s var(--ease);
}

.work-card:hover .work-card__link {
  color: var(--accent);
}

.work-card:hover .work-card__link span {
  transform: translateX(4px);
}

/* ---------- Writing / posts ---------- */
.writing__list {
  display: grid;
  gap: 4px;
}

.writing__more {
  margin-top: 28px;
}

.post {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 28px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background 0.35s ease, border-color 0.35s ease, transform 0.35s var(--ease);
  cursor: pointer;
}

.post:hover {
  background: var(--surface);
  border-color: var(--line);
  transform: translateX(6px);
}

.post__date {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.post__day {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
}

.post__month {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-4);
}

.post__tags {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.post__tags span {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-family: var(--font-mono);
}

.post__main h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 600;
  line-height: 1.4;
  transition: color 0.3s ease;
}

.post:hover .post__main h3 {
  color: var(--accent);
}

.post__main p {
  margin: 0;
  color: var(--ink-3);
  font-size: 14px;
  max-width: 62ch;
}

.post__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
  color: var(--ink-4);
  font-family: var(--font-mono);
  font-size: 12px;
}

.post__arrow {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  color: var(--ink-2);
  transition: all 0.3s var(--ease);
}

.post:hover .post__arrow {
  background: var(--accent);
  border-color: transparent;
  color: #0a0e14;
  transform: rotate(45deg);
}

/* ---------- Method ---------- */
.method__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  counter-reset: none;
}

.step {
  position: relative;
  padding: 28px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--accent) 5%, transparent), transparent 50%),
    var(--surface);
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.35s ease;
}

.step:hover {
  transform: translateY(-5px);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
}

.step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin-bottom: 18px;
}

.step h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
}

.step p {
  margin: 0;
  color: var(--ink-3);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- Contact ---------- */
.contact__panel {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(28px, 4vw, 48px);
  padding: clamp(28px, 4vw, 48px);
  border-radius: 28px;
  border: 1px solid var(--line);
  background:
    radial-gradient(700px 320px at 0% 0%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 60%),
    radial-gradient(500px 280px at 100% 100%, color-mix(in srgb, var(--warm) 12%, transparent), transparent 55%),
    var(--bg-2);
}

.contact__lead {
  margin: 18px 0 32px;
  color: var(--ink-2);
  max-width: 42ch;
}

.contact__channels {
  display: grid;
  gap: 12px;
}

.contact__channels a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  transition: border-color 0.3s ease, transform 0.3s var(--ease), background 0.3s ease;
}

.contact__channels a:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  transform: translateX(4px);
}

.contact__icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  color: var(--accent);
  font-size: 16px;
  flex-shrink: 0;
}

.contact__channels label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-4);
}

.contact__channels p {
  margin: 2px 0 0;
  font-size: 15px;
  color: var(--ink);
}

.contact__form {
  display: grid;
  gap: 16px;
  align-content: start;
  padding: 8px;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-size: 13px;
  color: var(--ink-2);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  outline: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
  resize: vertical;
  color-scheme: dark;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--ink-4);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 16%, transparent);
  background: var(--surface-2);
}

.field select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 40px;
  cursor: pointer;
  background-color: var(--surface);
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-3) 50%),
    linear-gradient(135deg, var(--ink-3) 50%, transparent 50%);
  background-position: calc(100% - 18px) calc(50% - 3px), calc(100% - 12px) calc(50% - 3px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

.field option {
  background-color: var(--bg-2);
  color: var(--ink);
}

html[data-theme="light"] .field input,
html[data-theme="light"] .field select,
html[data-theme="light"] .field textarea {
  color-scheme: light;
  background: rgba(255, 255, 255, 0.55);
  border-color: rgba(28, 22, 16, 0.12);
  color: var(--ink);
}

html[data-theme="light"] .field input::placeholder,
html[data-theme="light"] .field textarea::placeholder {
  color: var(--ink-4);
}

html[data-theme="light"] .field select:focus,
html[data-theme="light"] .field input:focus,
html[data-theme="light"] .field textarea:focus {
  background: rgba(255, 255, 255, 0.8);
}

html[data-theme="light"] .field option {
  background-color: #fbf7f0;
  color: #1c1610;
}

.field textarea {
  min-height: 120px;
}

.form-note {
  min-height: 1.4em;
  margin: 0;
  font-size: 13px;
  color: var(--green);
}

.form-note.is-error {
  color: var(--warm);
}

/* ---------- Guestbook / Giscus ---------- */
.guestbook {
  padding-top: clamp(48px, 6vw, 80px);
}

.guestbook__notice {
  display: grid;
  gap: 8px;
  margin: 0 0 24px;
  padding: 18px 22px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.guestbook__notice p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-2);
}

.guestbook__notice strong,
.section__desc strong {
  color: var(--ink);
  font-weight: 600;
}

.giscus-wrap {
  border-radius: 20px;
  border: 1px solid var(--line);
  background: var(--bg-2);
  padding: clamp(12px, 2vw, 20px);
  overflow: hidden;
  min-height: 180px;
  position: relative;
}

.giscus-mount .giscus,
.giscus-mount .giscus-frame,
.giscus-wrap .giscus-frame {
  width: 100% !important;
  color-scheme: dark;
}

.giscus-loading {
  display: grid;
  place-items: center;
  gap: 12px;
  min-height: 160px;
  color: var(--ink-3);
  font-size: 14px;
}

.giscus-loading.is-hidden {
  display: none;
}

.giscus-spinner {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--line);
  border-top-color: var(--accent);
  animation: spin 0.9s linear infinite;
}

.giscus-fallback {
  display: grid;
  gap: 14px;
  padding: 12px 8px 8px;
  justify-items: start;
}

.giscus-fallback[hidden] {
  display: none !important;
}

.giscus-fallback h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
}

.giscus-fallback p {
  margin: 0;
  color: var(--ink-2);
  max-width: 58ch;
  line-height: 1.75;
}

.giscus-fallback code {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 2px 8px;
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--accent);
}

.giscus-fallback__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  padding: 40px 0 48px;
  background: rgba(0, 0, 0, 0.2);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr auto;
  gap: 28px;
  align-items: start;
}

.footer__brand p {
  margin: 14px 0 0;
  color: var(--ink-3);
  font-size: 14px;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
}

.footer__links a {
  color: var(--ink-2);
  font-size: 14px;
  transition: color 0.25s ease;
}

.footer__links a:hover {
  color: var(--accent);
}

.footer__meta {
  text-align: right;
  color: var(--ink-4);
  font-size: 13px;
}

.footer__meta p {
  margin: 0 0 6px;
}

.footer__note {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%) translateY(20px);
  z-index: 200;
  padding: 14px 22px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(15, 21, 32, 0.92);
  color: var(--ink);
  font-size: 14px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s var(--ease);
  backdrop-filter: blur(14px);
}

.toast.is-show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---------- Post reader ---------- */
.reader {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.reader.is-open {
  opacity: 1;
  pointer-events: auto;
}

.reader__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 8, 12, 0.72);
  backdrop-filter: blur(10px);
}

.reader__panel {
  position: relative;
  width: min(100%, 760px);
  max-height: min(88vh, 900px);
  overflow: auto;
  border-radius: 24px;
  border: 1px solid var(--line-strong);
  background:
    radial-gradient(600px 240px at 10% 0%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 60%),
    var(--bg-2);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  padding: clamp(24px, 4vw, 40px);
  transform: translateY(24px) scale(0.98);
  transition: transform 0.4s var(--ease);
}

.reader.is-open .reader__panel {
  transform: none;
}

.reader__close {
  position: sticky;
  top: 0;
  float: right;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-2);
  font-size: 16px;
  z-index: 2;
  transition: border-color 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.reader__close:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
  color: var(--ink);
  transform: rotate(90deg);
}

.reader__head {
  margin-bottom: 28px;
  padding-right: 48px;
}

.reader__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.reader__date,
.reader__time {
  color: var(--ink-3);
}

.reader__head h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 700;
  line-height: 1.3;
}

.reader__desc {
  margin: 0 0 16px;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.75;
}

.reader__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.reader__tags span {
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  font-size: 12px;
  color: var(--ink-3);
}

.reader__body {
  color: var(--ink-2);
  font-size: 16px;
  line-height: 1.95;
}

.reader__body p {
  margin: 0 0 1.15em;
}

.reader__body h3 {
  margin: 1.8em 0 0.8em;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
}

.reader__body ul,
.reader__body ol {
  margin: 0 0 1.2em;
  padding-left: 1.35em;
}

.reader__body li {
  margin-bottom: 0.55em;
}

.reader__body blockquote {
  margin: 1.4em 0;
  padding: 14px 18px;
  border-left: 3px solid var(--accent);
  border-radius: 0 12px 12px 0;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.85;
}

.reader__body hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 2em 0;
}

.reader__body strong {
  color: var(--ink);
  font-weight: 600;
}

body.reader-open {
  overflow: hidden;
}

@media (max-width: 560px) {
  .reader {
    padding: 0;
    place-items: end stretch;
  }

  .reader__panel {
    max-height: 92vh;
    border-radius: 22px 22px 0 0;
    width: 100%;
  }
}

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

  .craft__orb {
    order: -1;
    padding: 12px 0;
  }

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

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

  .hero__badge {
    display: none;
  }
}

@media (max-width: 820px) {
  .nav__links {
    position: fixed;
    inset: 0;
    background: rgba(10, 14, 20, 0.96);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
  }

  html[data-theme="light"] .nav__links {
    background: rgba(244, 239, 230, 0.97);
  }

  .nav__links.is-open {
    opacity: 1;
    pointer-events: auto;
  }

  .nav__links a {
    font-size: 22px;
    font-family: var(--font-display);
    color: var(--ink);
  }

  .nav__burger {
    display: inline-flex;
  }

  .about__grid,
  .contact__panel,
  .footer__grid {
    grid-template-columns: 1fr;
  }

  .footer__meta {
    text-align: left;
  }

  .post {
    grid-template-columns: 72px 1fr;
    gap: 16px;
    padding: 22px 14px;
  }

  .post__meta {
    display: none;
  }

  .temp-dock {
    right: 12px;
    top: auto;
    bottom: 18px;
    transform: none;
    flex-direction: row;
    padding: 8px 12px;
    opacity: 0.92;
    transition: opacity 0.3s ease, transform 0.3s ease;
  }

  .temp-dock:hover,
  .temp-dock:focus-within {
    opacity: 1;
    transform: translateY(-2px);
  }

  body {
    padding-bottom: 72px;
  }

  .temp-dock__label {
    writing-mode: horizontal-tb;
  }

  .temp-dock__meter {
    width: 48px;
    height: 4px;
  }

  .temp-dock__meter i {
    left: 0;
    right: auto;
    top: 0;
    bottom: 0;
    height: 100%;
    width: var(--temp);
    background: linear-gradient(to right, var(--cool), var(--accent), var(--warm));
  }

  .temp-dock__range {
    writing-mode: horizontal-tb;
    direction: ltr;
    width: 100px;
    height: 22px;
    cursor: ew-resize;
  }
}

@media (max-width: 560px) {
  .works__grid,
  .method__steps {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding: calc(var(--nav-h) + 28px) 20px 72px;
    align-items: center;
  }

  .hero__title {
    font-size: clamp(32px, 10vw, 42px);
    margin-bottom: 16px;
  }

  .hero__lead {
    font-size: 15px;
    line-height: 1.75;
    margin-bottom: 22px;
  }

  .hero__actions {
    margin-bottom: 28px;
  }

  .hero__content {
    text-align: left;
  }

  .hero__actions,
  .hero__stats,
  .hero__eyebrow {
    justify-content: flex-start;
  }

  .hero__stats {
    justify-content: space-between;
    gap: 12px;
  }

  .hero__scroll {
    display: none;
  }

  .stat {
    align-items: flex-start;
    min-width: 0;
  }

  .stat strong {
    font-size: 28px;
  }

  .section__head--row {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .marquee__track,
  .hero__ring,
  .orb__ring,
  .orb__core,
  .pulse-dot {
    animation: none !important;
  }
}