/* GlowTree Studio — Modern Homepage */

:root {
  --bg-deep: #060608;
  --bg-surface: #0d0d10;
  --bg-elevated: #141418;
  --border: rgba(212, 168, 83, 0.14);
  --border-hover: rgba(240, 192, 80, 0.42);
  --text: #ece8df;
  --text-muted: #9a958a;
  --gold: #f0c050;
  --gold-dim: #c9922a;
  --gold-deep: #8a6520;
  --gold-glow: rgba(240, 192, 80, 0.32);
  --green: #5ecf7a;
  --green-dim: #3da85c;
  --green-glow: rgba(94, 207, 122, 0.2);
  --cyan: #22d3ee;
  --violet: #a78bfa;
  --lime: #b8e986;
  --font-display: "Syne", "Noto Sans SC", sans-serif;
  --font-body: "Noto Sans SC", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", monospace;
  --radius: 16px;
  --radius-sm: 10px;
  --header-h: 64px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --mouse-x: 50vw;
  --mouse-y: 40vh;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.85em;
  letter-spacing: 0.02em;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

a {
  color: var(--gold);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--lime);
}

/* Logo — 保留原像素金属质感，形状内柔和流光 */
.logo-wrap {
  position: relative;
  display: inline-block;
  line-height: 0;
  isolation: isolate;
}

.logo-wrap::before {
  content: "";
  position: absolute;
  inset: -18% -8%;
  background: radial-gradient(ellipse at center, var(--gold-glow) 0%, transparent 68%);
  opacity: 0.55;
  z-index: 0;
  pointer-events: none;
  animation: logo-breathe 4s ease-in-out infinite;
}

/* 流光仅出现在 LOGO 像素内（mask 裁切），避免矩形 overlay */
.logo-shimmer::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(
    100deg,
    transparent 0%,
    transparent 36%,
    rgba(255, 215, 130, 0.08) 44%,
    rgba(255, 240, 200, 0.22) 50%,
    rgba(255, 215, 130, 0.08) 56%,
    transparent 64%,
    transparent 100%
  );
  background-size: 280% 100%;
  background-position: 120% 50%;
  -webkit-mask-image: var(--logo-mask);
  mask-image: var(--logo-mask);
  -webkit-mask-size: 100% 100%;
  mask-size: 100% 100%;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  mix-blend-mode: soft-light;
  filter: blur(0.6px);
  animation: logo-shimmer-sweep 5.5s cubic-bezier(0.45, 0.05, 0.25, 1) infinite;
}

.logo-wrap-hero {
  --logo-mask: url("images/GlowTree_title_logo.png");
}

.logo-wrap-nav,
.logo-wrap-about {
  --logo-mask: url("images/GlowTree_tree_icon.png");
}

.logo-shimmer-hero::after {
  background: linear-gradient(
    100deg,
    transparent 0%,
    transparent 34%,
    rgba(255, 210, 120, 0.1) 42%,
    rgba(255, 245, 215, 0.28) 50%,
    rgba(255, 210, 120, 0.1) 58%,
    transparent 66%,
    transparent 100%
  );
  background-size: 320% 100%;
  animation-duration: 4.8s;
}

.logo-shimmer-hero::before {
  inset: -25% -10%;
  opacity: 0.75;
  animation: logo-breathe 3.5s ease-in-out infinite;
}

@keyframes logo-shimmer-sweep {
  0%, 72%, 100% {
    background-position: 115% 50%;
    opacity: 0;
  }
  10% {
    opacity: 0.35;
  }
  42% {
    background-position: -15% 50%;
    opacity: 0.7;
  }
  58% {
    opacity: 0;
  }
}

.logo-img,
.logo-icon {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  position: relative;
  z-index: 1;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  filter:
    drop-shadow(0 0 8px rgba(240, 192, 80, 0.35))
    drop-shadow(0 0 22px rgba(240, 192, 80, 0.15));
  transition: filter var(--transition), transform var(--transition);
}

.logo-shimmer .logo-img,
.logo-shimmer .logo-icon {
  animation: logo-metal-pulse 5.5s ease-in-out infinite;
}

@keyframes logo-metal-pulse {
  0%, 72%, 100% {
    filter:
      drop-shadow(0 0 8px rgba(240, 192, 80, 0.32))
      drop-shadow(0 0 22px rgba(240, 192, 80, 0.12))
      brightness(1);
  }
  42% {
    filter:
      drop-shadow(0 0 10px rgba(240, 192, 80, 0.42))
      drop-shadow(0 0 26px rgba(240, 192, 80, 0.18))
      brightness(1.05);
  }
}

.logo-wrap-nav .logo-icon {
  height: 38px;
  width: auto;
}

.logo-wrap-hero::before {
  inset: -25% -10%;
  opacity: 0.75;
}

.logo-img-hero {
  height: clamp(56px, 10vw, 88px);
  width: auto;
}

.logo-icon-about {
  height: 48px;
  width: auto;
}

.brand:hover .logo-shimmer::after,
.logo-wrap-hero:hover::after {
  animation-duration: 3.2s;
}

.brand:hover .logo-icon,
.footer-brand:hover img {
  animation: none;
  filter:
    drop-shadow(0 0 12px rgba(240, 192, 80, 0.55))
    drop-shadow(0 0 32px rgba(240, 192, 80, 0.25))
    brightness(1.06);
  transform: scale(1.04);
}

@keyframes logo-breathe {
  0%, 100% { opacity: 0.45; transform: scale(1); }
  50% { opacity: 0.85; transform: scale(1.04); }
}

/* Background layers */
.bg-glow {
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(ellipse 420px 320px at var(--mouse-x) var(--mouse-y), rgba(240, 192, 80, 0.09) 0%, transparent 72%),
    radial-gradient(ellipse 70% 55% at 15% 8%, rgba(240, 192, 80, 0.07) 0%, transparent 55%),
    radial-gradient(ellipse 80% 60% at 80% 90%, rgba(94, 207, 122, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 50% 50%, rgba(201, 146, 42, 0.04) 0%, transparent 60%);
  pointer-events: none;
  transition: background 0.15s ease-out;
}

body.no-cursor-fx .bg-glow {
  background:
    radial-gradient(ellipse 70% 55% at 15% 8%, rgba(240, 192, 80, 0.09) 0%, transparent 55%),
    radial-gradient(ellipse 80% 60% at 80% 90%, rgba(94, 207, 122, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 50% 50%, rgba(201, 146, 42, 0.04) 0%, transparent 60%);
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(240, 192, 80, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(240, 192, 80, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 20%, transparent 80%);
  pointer-events: none;
}

#particles {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.75;
}

/* 卡片 / 按钮 — 鼠标位置高光 */
.spotlight {
  --spot-x: 50%;
  --spot-y: 50%;
}

.spotlight::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  z-index: 0;
  transition: opacity 0.4s ease;
  background: radial-gradient(
    circle 200px at var(--spot-x) var(--spot-y),
    rgba(240, 192, 80, 0.16),
    transparent 68%
  );
}

.spotlight:hover::after {
  opacity: 1;
}

.spotlight > * {
  position: relative;
  z-index: 1;
}

.project-card.spotlight::after,
.hero-card.spotlight::after,
.blog-card.spotlight::after,
.design-card.spotlight::after,
.about-panel.spotlight::after {
  z-index: 0;
}

.btn.spotlight {
  overflow: hidden;
}

.btn.spotlight::after {
  background: radial-gradient(
    circle 120px at var(--spot-x) var(--spot-y),
    rgba(255, 255, 255, 0.22),
    transparent 70%
  );
}

/* 点击涟漪 */
.click-ripple {
  position: absolute;
  width: 10px;
  height: 10px;
  margin-left: -5px;
  margin-top: -5px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 4;
  background: radial-gradient(circle, rgba(240, 192, 80, 0.5) 0%, rgba(240, 192, 80, 0.15) 40%, transparent 72%);
  animation: click-ripple 0.62s ease-out forwards;
}

.click-ripple-ring {
  background: transparent;
  border: 1.5px solid rgba(240, 192, 80, 0.45);
  animation: click-ripple-ring 0.72s ease-out forwards;
}

@keyframes click-ripple {
  from {
    transform: scale(1);
    opacity: 0.75;
  }
  to {
    transform: scale(16);
    opacity: 0;
  }
}

@keyframes click-ripple-ring {
  from {
    transform: scale(0.6);
    opacity: 0.7;
  }
  to {
    transform: scale(14);
    opacity: 0;
  }
}

.btn:active,
.project-card:active,
.hero-card:active,
.blog-card:active {
  transform: scale(0.985);
}

.project-card:active {
  transition-duration: 0.1s;
}

@media (prefers-reduced-motion: reduce) {
  .bg-glow {
    transition: none;
  }

  .spotlight::after {
    display: none;
  }

  .click-ripple {
    display: none;
  }

  .btn:active,
  .project-card:active,
  .hero-card:active,
  .blog-card:active {
    transform: none;
  }
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(6, 6, 8, 0.78);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(6, 6, 8, 0.94);
  box-shadow: 0 4px 28px rgba(0, 0, 0, 0.45), 0 0 40px rgba(240, 192, 80, 0.04);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  position: relative;
}

.brand:hover {
  color: inherit;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-links a {
  position: relative;
  overflow: hidden;
  color: var(--text-muted);
  font-size: 0.925rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-cta {
  padding: 0.45rem 1rem;
  border: 1px solid var(--border-hover);
  border-radius: 999px;
  color: var(--gold) !important;
  background: rgba(240, 192, 80, 0.07);
}

.nav-cta:hover {
  background: rgba(240, 192, 80, 0.16);
  color: var(--lime) !important;
  box-shadow: 0 0 20px rgba(240, 192, 80, 0.15);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  min-height: 100vh;
  padding-top: calc(var(--header-h) + 2rem);
  padding-bottom: 4rem;
}

.hero-logo-block {
  margin-bottom: 1.5rem;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
}

.pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 8px var(--gold-glow);
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--gold-glow); }
  50% { opacity: 0.45; box-shadow: 0 0 4px rgba(240, 192, 80, 0.15); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.highlight {
  color: var(--gold);
  text-shadow: 0 0 40px var(--gold-glow);
}

.highlight-alt {
  color: var(--lime);
  text-shadow: 0 0 30px var(--green-glow);
}

.hero-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 32rem;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold-dim), var(--gold));
  color: #1a1208;
  box-shadow: 0 4px 20px var(--gold-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--gold-glow);
  color: #1a1208;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--border-hover);
  background: rgba(240, 192, 80, 0.06);
  color: var(--gold);
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.hero-stats dt {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.25rem;
}

.hero-stats dd {
  font-weight: 500;
  font-size: 0.95rem;
}

/* Hero visual cards */
.hero-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 420px;
}

.hero-card {
  position: relative;
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(13, 20, 16, 0.7);
  backdrop-filter: blur(12px);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.hero-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.hero-card-main {
  margin-left: 2rem;
  z-index: 2;
}

.hero-card-secondary {
  margin-right: 2rem;
  margin-top: -0.5rem;
  z-index: 1;
  opacity: 0.92;
}

.card-tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  background: rgba(240, 192, 80, 0.12);
  color: var(--gold);
  font-size: 0.7rem;
  margin-bottom: 0.75rem;
}

.hero-card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin-bottom: 0.4rem;
}

.hero-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.card-link {
  font-size: 0.875rem;
  font-weight: 500;
}

.hero-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 280px;
  height: 280px;
  transform: translate(-50%, -50%);
  border: 1px dashed rgba(240, 192, 80, 0.18);
  border-radius: 50%;
  z-index: 0;
  animation: orbit-spin 30s linear infinite;
}

@keyframes orbit-spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section-alt {
  background: linear-gradient(180deg, transparent, rgba(13, 20, 16, 0.6), transparent);
}

.section-head {
  margin-bottom: 2.5rem;
}

.section-label {
  display: block;
  color: var(--gold);
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.section-head p {
  color: var(--text-muted);
  max-width: 36rem;
}

/* Project grid */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
}

.project-card {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-surface);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
}

.project-thumb {
  height: 180px;
  position: relative;
  overflow: hidden;
  background: var(--bg-elevated);
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover .project-thumb img {
  transform: scale(1.06);
}

.project-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--bg-surface) 0%, rgba(13, 13, 16, 0.35) 45%, transparent 100%);
  pointer-events: none;
}

.project-thumb-hub {
  background: linear-gradient(135deg, #2a1f0a 0%, #5c4518 40%, #c9922a 100%);
}

.project-card[data-accent="green"]:hover .project-thumb-mcio {
  box-shadow: inset 0 0 60px var(--green-glow);
}

.project-body {
  padding: 1.25rem 1.5rem 1.5rem;
}

.project-type {
  color: var(--gold);
  font-size: 0.72rem;
  text-transform: uppercase;
}

.project-body h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0.35rem 0 0.5rem;
}

.project-body p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.project-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.project-meta a {
  font-weight: 500;
}

/* Design section */
.design-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 3rem;
  align-items: start;
}

.design-cards {
  display: grid;
  gap: 1rem;
}

.design-card {
  position: relative;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  transition: border-color var(--transition);
}

.design-card:hover {
  border-color: var(--border-hover);
}

.design-num {
  color: var(--gold);
  font-size: 0.75rem;
  display: block;
  margin-bottom: 0.5rem;
}

.design-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.design-card p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.design-more {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border-hover);
  color: var(--text);
  margin-top: 0.5rem;
  transition: all var(--transition);
}

.design-more:hover {
  background: rgba(240, 192, 80, 0.06);
  color: var(--gold);
}

/* Blog */
.blog-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 1rem;
}

.blog-card {
  position: relative;
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-surface);
  transition: border-color var(--transition), transform var(--transition);
}

.blog-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.blog-card-featured {
  grid-row: span 2;
  background: linear-gradient(160deg, rgba(240, 192, 80, 0.07), var(--bg-surface));
  border-color: rgba(240, 192, 80, 0.22);
}

.blog-card-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: space-between;
  gap: 1rem;
}

.blog-tag, .blog-date {
  color: var(--gold);
  font-size: 0.72rem;
  display: block;
  margin-bottom: 0.5rem;
}

.blog-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.blog-card h4 {
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

.blog-card p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* About */
.about-panel {
  position: relative;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 2rem;
  padding: 2.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-surface);
}

.about-main {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.about-logo {
  padding-bottom: 0.25rem;
  border-bottom: 1px solid rgba(240, 192, 80, 0.1);
}

.about-text h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  margin: 0.5rem 0 1rem;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
}

.about-tags li {
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.about-contact h3 {
  color: var(--gold);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.about-contact ul {
  list-style: none;
}

.about-contact li {
  margin-bottom: 0.5rem;
}

.about-contact a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.about-contact a:hover {
  color: var(--gold);
}

/* Footer */
.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-brand {
  position: relative;
  overflow: hidden;
  line-height: 0;
}

.footer-brand img {
  height: 34px;
  width: auto;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  opacity: 0.88;
  filter: drop-shadow(0 0 6px rgba(240, 192, 80, 0.25));
  transition: opacity var(--transition), filter var(--transition), transform var(--transition);
}

.footer-brand:hover img {
  opacity: 1;
  transform: scale(1.05);
}

.footer-inner a {
  color: var(--text-muted);
}

.footer-inner a:hover {
  color: var(--gold);
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Responsive */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 2rem;
    min-height: auto;
    padding-top: calc(var(--header-h) + 1.5rem);
  }

  .hero-visual {
    min-height: auto;
  }

  .hero-card-main,
  .hero-card-secondary {
    margin-left: 0;
    margin-right: 0;
  }

  .hero-orbit {
    display: none;
  }

  .design-layout {
    grid-template-columns: 1fr;
  }

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

  .blog-card-featured {
    grid-row: auto;
  }

  .about-panel {
    grid-template-columns: 1fr;
    padding: 1.5rem;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 1.5rem;
  }
}

@media (max-width: 640px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(6, 6, 8, 0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    transform: translateY(-110%);
    opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
    pointer-events: none;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links li {
    width: 100%;
    text-align: center;
    padding: 0.75rem 1rem;
  }

  .nav-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .logo-wrap-nav .logo-icon {
    height: 32px;
  }
}