@import url('https://fonts.googleapis.com/css2?family=Cormorant:wght@400;500;600;700&family=Montserrat:wght@300;400;500;600;700&display=swap');

/* ============================================================
   CSS 自定义属性
============================================================ */
:root {
  --c-bg: #0d0d0d;
  --c-purple: #8000ff;
  --c-magenta: #ff00ff;
  --c-purple-dim: rgba(128,0,255,0.15);
  --c-magenta-dim: rgba(255,0,255,0.12);
  --c-text: #e0d6f0;
  --c-text-dim: #9b8fb0;
  --c-border: rgba(128,0,255,0.35);
  --c-border-bright: rgba(255,0,255,0.5);
  --c-surface: rgba(20,8,40,0.9);
  --c-surface2: rgba(30,10,55,0.85);
  --glow-purple: 0 0 8px rgba(128,0,255,0.8), 0 0 20px rgba(128,0,255,0.4);
  --glow-magenta: 0 0 8px rgba(255,0,255,0.8), 0 0 20px rgba(255,0,255,0.4);
  --font-head: 'Cormorant', 'Georgia', serif;
  --font-body: 'Montserrat', 'Segoe UI', system-ui, sans-serif;
  --radius: 18px;
  --radius-sm: 8px;
  --nav-h: 64px;
  --topbar-h: 32px;
  --max-w: 1200px;
  --prose-w: 760px;
}

/* ============================================================
   Reset & Base
============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-magenta); text-decoration: none; transition: color 0.2s, text-shadow 0.2s; }
a:hover { color: #fff; text-shadow: var(--glow-magenta); }
a:focus-visible { outline: 2px solid var(--c-magenta); outline-offset: 3px; border-radius: 3px; }

/* ============================================================
   扫描线 overlay
============================================================ */
.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.18) 2px,
    rgba(0,0,0,0.18) 4px
  );
}

/* ============================================================
   HUD 角落装饰
============================================================ */
.hud-corner {
  position: fixed;
  width: 40px;
  height: 40px;
  pointer-events: none;
  z-index: 9998;
}
.hud-tl { top: 44px; left: 8px; border-top: 2px solid var(--c-purple); border-left: 2px solid var(--c-purple); }
.hud-tr { top: 44px; right: 8px; border-top: 2px solid var(--c-magenta); border-right: 2px solid var(--c-magenta); }

/* ============================================================
   顶部公告条
============================================================ */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--topbar-h);
  background: linear-gradient(90deg, var(--c-purple-dim), var(--c-magenta-dim));
  border-bottom: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  overflow: hidden;
}
.topbar-msg {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--c-magenta);
  white-space: nowrap;
  animation: scroll-msg 30s linear infinite;
}
@keyframes scroll-msg {
  0% { transform: translateX(30vw); }
  100% { transform: translateX(-100%); }
}

/* ============================================================
   网站头部 / 导航
============================================================ */
.site-header {
  position: fixed;
  top: var(--topbar-h);
  left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(13,13,13,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 190;
  padding: 0 20px;
}

.brand-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.brand-link {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #fff;
  text-shadow: var(--glow-purple);
  white-space: nowrap;
}
.brand-link:hover { color: var(--c-magenta); text-shadow: var(--glow-magenta); }

/* 汉堡按钮 */
.nav-toggle {
  position: absolute;
  left: 20px;
  background: none;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-height: 44px;
  min-width: 44px;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s;
}
.nav-toggle:hover { border-color: var(--c-magenta); }
.burger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-purple);
  transition: background 0.2s;
}
.nav-toggle:hover .burger-line { background: var(--c-magenta); }

/* 桌面导航 */
.desktop-nav {
  display: none;
}
.desktop-nav ol {
  display: flex;
  gap: 6px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.desktop-nav ol li a {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--c-text-dim);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  min-height: 40px;
  display: flex;
  align-items: center;
  transition: all 0.2s;
}
.desktop-nav ol li a:hover,
.desktop-nav ol li a[aria-current] {
  color: var(--c-magenta);
  border-color: var(--c-border-bright);
  text-shadow: var(--glow-magenta);
  background: var(--c-magenta-dim);
}

@media (min-width: 1024px) {
  .desktop-nav { display: block; }
  .nav-toggle { display: none; }
  .brand-center { position: absolute; }
}

/* ============================================================
   全屏遮罩导航
============================================================ */
.fullscreen-nav {
  position: fixed;
  inset: 0;
  background: rgba(5,0,15,0.97);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.fullscreen-nav.open {
  opacity: 1;
  pointer-events: all;
}
.fullscreen-nav nav ol {
  list-style: none;
  padding: 0;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.fullscreen-nav nav ol li a {
  font-family: var(--font-head);
  font-size: clamp(20px, 3vw, 32px);
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--c-text);
  padding: 14px 32px;
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: all 0.2s;
}
.fullscreen-nav nav ol li a:hover,
.fullscreen-nav nav ol li a[aria-current] {
  color: var(--c-magenta);
  border-color: var(--c-border-bright);
  text-shadow: var(--glow-magenta);
  background: var(--c-magenta-dim);
}

.nav-close {
  position: absolute;
  top: calc(var(--topbar-h) + 14px);
  right: 20px;
  background: none;
  border: 1px solid var(--c-border);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  color: var(--c-text);
  font-size: 18px;
  cursor: pointer;
  transition: all 0.2s;
}
.nav-close:hover { border-color: var(--c-magenta); color: var(--c-magenta); }

/* ============================================================
   面包屑
============================================================ */
.page-eyebrow {
  margin-top: calc(var(--topbar-h) + var(--nav-h));
  padding: 12px 24px;
  border-bottom: 1px solid var(--c-border);
  background: rgba(13,13,13,0.6);
}
.breadcrumb {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--c-text-dim);
}
.breadcrumb a { color: var(--c-purple); }
.breadcrumb a:hover { color: var(--c-magenta); }

/* ============================================================
   主内容区 & 正文容器结构
   main > div.wrap > section > article
============================================================ */
main {
  margin-top: calc(var(--topbar-h) + var(--nav-h));
  min-height: 60vh;
  padding: 40px 0 80px;
}
/* 面包屑页面减少上边距 */
.page-eyebrow + main {
  margin-top: 0;
  padding-top: 40px;
}

main > .wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

main > .wrap > section {
  width: 100%;
}

main > .wrap > section > article {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

/* ============================================================
   侧边栏 aside（内容左侧）
============================================================ */
.content-aside {
  flex: 0 0 240px;
  position: sticky;
  top: calc(var(--topbar-h) + var(--nav-h) + 24px);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.aside-inner {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 20px;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}

.aside-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--c-purple);
  text-transform: uppercase;
  margin-bottom: 12px;
  text-shadow: var(--glow-purple);
}

.content-aside dl {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.content-aside dt a {
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text);
  display: block;
  padding: 4px 0;
  border-left: 2px solid var(--c-purple);
  padding-left: 10px;
  transition: all 0.2s;
}
.content-aside dt a:hover {
  color: var(--c-magenta);
  border-color: var(--c-magenta);
}
.content-aside dd {
  font-size: 12px;
  color: var(--c-text-dim);
  padding-left: 12px;
  line-height: 1.4;
}

/* 同级导航 */
.sibling-nav, .guide-nav-links { margin-top: 4px; }
.sibling-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 8px;
}
.sibling-list li a {
  font-size: 13px;
  color: var(--c-text-dim);
  display: block;
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid transparent;
  transition: all 0.2s;
}
.sibling-list li.active a,
.sibling-list li a:hover {
  color: var(--c-magenta);
  border-color: var(--c-border);
  background: var(--c-magenta-dim);
}

/* ============================================================
   正文内容
============================================================ */
.content-main {
  flex: 1 1 0;
  min-width: 0;
}

h1 {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.2;
  color: #fff;
  text-shadow: var(--glow-purple);
  margin-bottom: 12px;
}

h2 {
  font-family: var(--font-head);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 600;
  color: var(--c-text);
  margin-top: 40px;
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}

h3 {
  font-family: var(--font-head);
  font-size: clamp(18px, 2.5vw, 24px);
  font-weight: 500;
  color: var(--c-text);
  margin-top: 28px;
  margin-bottom: 8px;
}

h4, h5, h6 {
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--c-text-dim);
  margin-top: 20px;
  margin-bottom: 6px;
}

hr {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, var(--c-purple), var(--c-magenta), transparent);
  margin: 12px 0 24px;
  box-shadow: 0 0 8px rgba(128,0,255,0.5);
}

p { margin-bottom: 16px; font-size: 16px; line-height: 1.75; }

ul, ol { padding-left: 20px; margin-bottom: 16px; }
li { margin-bottom: 6px; line-height: 1.7; }

strong { color: var(--c-magenta); font-weight: 600; }
em { color: var(--c-purple); font-style: italic; }

code {
  font-family: 'Courier New', Courier, monospace;
  font-size: 14px;
  background: var(--c-purple-dim);
  color: var(--c-magenta);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--c-border);
}

pre {
  background: rgba(0,0,0,0.6);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 20px;
  overflow-x: auto;
  margin-bottom: 20px;
}
pre code { background: none; border: none; padding: 0; }

blockquote {
  border-left: 3px solid var(--c-purple);
  padding: 12px 20px;
  margin: 20px 0;
  background: var(--c-purple-dim);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--c-text-dim);
}

table { width: 100%; border-collapse: collapse; margin-bottom: 20px; }
th {
  background: var(--c-purple-dim);
  color: var(--c-purple);
  font-size: 12px;
  letter-spacing: 0.1em;
  padding: 10px 14px;
  border: 1px solid var(--c-border);
  text-align: left;
}
td {
  padding: 10px 14px;
  border: 1px solid rgba(128,0,255,0.2);
  font-size: 14px;
  color: var(--c-text-dim);
}
tr:hover td { background: var(--c-purple-dim); }

.meta-date {
  font-size: 12px;
  color: var(--c-text-dim);
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}
.meta-date time { color: var(--c-purple); }

/* ============================================================
   Hero（首页）
============================================================ */
.hero {
  margin-top: calc(var(--topbar-h) + var(--nav-h));
  min-height: 45vh;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--c-border);
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(128,0,255,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(128,0,255,0.08) 1px, transparent 1px);
  background-size: 40px 40px;
  animation: grid-pulse 8s ease-in-out infinite;
}
@keyframes grid-pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.hero-inner {
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  padding: 60px 24px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 40px;
  position: relative;
  z-index: 1;
}

.hero-text {
  text-align: right;
  max-width: 600px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--c-purple);
  text-shadow: var(--glow-purple);
  margin-bottom: 16px;
  text-transform: uppercase;
  border: 1px solid var(--c-border);
  padding: 4px 12px;
  border-radius: 100px;
}

.hero-text h1 {
  text-align: right;
  margin-bottom: 16px;
  animation: glitch-in 0.6s ease both;
}
@keyframes glitch-in {
  0% { opacity: 0; transform: skewX(-8deg) translateX(20px); }
  60% { transform: skewX(2deg) translateX(-4px); }
  100% { opacity: 1; transform: none; }
}

.hero-sub {
  font-size: 16px;
  color: var(--c-text-dim);
  line-height: 1.6;
  margin-bottom: 28px;
  text-align: right;
}

.hero-cta {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.hero-media {
  flex: 0 0 auto;
}
.hero-img {
  max-width: 180px;
  border-radius: var(--radius);
  border: 1px solid var(--c-border);
  box-shadow: var(--glow-purple);
}

/* ============================================================
   按钮
============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--c-purple), var(--c-magenta));
  color: #fff;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.25s;
  text-shadow: none;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}
.btn-primary:hover {
  box-shadow: var(--glow-magenta);
  transform: translateY(-2px);
  color: #fff;
  text-shadow: none;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 24px;
  background: transparent;
  color: var(--c-magenta);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-magenta);
  cursor: pointer;
  transition: all 0.25s;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}
.btn-ghost:hover {
  background: var(--c-magenta-dim);
  box-shadow: var(--glow-magenta);
  transform: translateY(-2px);
  text-shadow: var(--glow-magenta);
}

/* ============================================================
   首页快速入口
============================================================ */
.section-title {
  font-family: var(--font-head);
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  margin-top: 0;
}

.home-featured {
  margin-bottom: 60px;
}

.feat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 8px;
}

.feat-item {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 20px;
  transition: all 0.25s;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}
.feat-item:hover {
  border-color: var(--c-border-bright);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(128,0,255,0.2);
}

.feat-link {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}
.feat-link:hover { color: var(--c-magenta); text-shadow: none; }

.feat-desc {
  font-size: 12px;
  color: var(--c-text-dim);
  line-height: 1.5;
}

/* ============================================================
   首页正文
============================================================ */
.home-content {
  margin-bottom: 60px;
}
.home-content article {
  display: block;
}

/* ============================================================
   卡片网格
============================================================ */
.home-cards { margin-bottom: 40px; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 8px;
}

.card {
  background: var(--c-surface2);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-purple), var(--c-magenta));
}
.card:hover {
  border-color: var(--c-border-bright);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(128,0,255,0.25);
}

.card-num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--c-purple);
  text-shadow: var(--glow-purple);
  display: block;
  margin-bottom: 12px;
}

.card h3 {
  font-size: 17px;
  margin-top: 0;
  margin-bottom: 10px;
}
.card h3 a {
  color: var(--c-text);
  font-family: var(--font-head);
  font-weight: 600;
}
.card h3 a:hover { color: var(--c-magenta); text-shadow: none; }

.card p {
  font-size: 14px;
  color: var(--c-text-dim);
  margin-bottom: 16px;
  line-height: 1.6;
}

.card-link {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--c-magenta);
}
.card-link:hover { text-shadow: var(--glow-magenta); }

/* ============================================================
   子页列表 dl（指南栏目）
============================================================ */
.child-list {
  margin-top: 40px;
}

.child-dl {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.child-dl dt {
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
}
.child-dl dt:last-of-type { border-bottom: none; }

.child-dl dt a {
  display: block;
  padding: 14px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
  min-height: 44px;
  display: flex;
  align-items: center;
  border-left: 3px solid var(--c-purple);
  transition: all 0.2s;
}
.child-dl dt a:hover {
  color: var(--c-magenta);
  border-left-color: var(--c-magenta);
  background: var(--c-magenta-dim);
  text-shadow: none;
}

.child-dl dd {
  padding: 10px 20px 16px 23px;
  font-size: 13px;
  color: var(--c-text-dim);
  line-height: 1.6;
  border-bottom: 1px solid rgba(128,0,255,0.1);
}
.child-dl dd time {
  display: inline-block;
  font-size: 11px;
  color: var(--c-purple);
  margin-left: 8px;
}

/* ============================================================
   About 页特定
============================================================ */
.about-cta {
  margin-top: 48px;
  padding: 32px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.about-cta h2 { margin-top: 0; font-size: 22px; }
.about-cta p { margin-bottom: 0; flex-basis: 100%; }

/* ============================================================
   FAQ 样式
============================================================ */
.faq-prose :where(h2, h3) {
  padding-left: 12px;
  border-left: 3px solid var(--c-magenta);
}

/* ============================================================
   Changelog 样式
============================================================ */
.changelog-prose :where(h2, h3) {
  display: flex;
  align-items: center;
  gap: 12px;
}
.changelog-prose :where(h2, h3)::before {
  content: '▸';
  color: var(--c-purple);
  font-size: 0.8em;
}

/* ============================================================
   页脚（极简：仅 p + small）
============================================================ */
.site-footer {
  background: rgba(5,0,15,0.95);
  border-top: 1px solid var(--c-border);
  text-align: center;
  padding: 32px 24px;
}

.footer-brand {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 600;
  color: var(--c-text-dim);
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.footer-copy {
  display: block;
  font-size: 12px;
  color: #5a4d70;
  letter-spacing: 0.05em;
}
.footer-copy a {
  color: var(--c-text-dim);
  margin: 0 4px;
}
.footer-copy a:hover { color: var(--c-magenta); }

/* ============================================================
   Reveal 动画（Scroll Reveal）
============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease calc(var(--delay, 0ms)), transform 0.5s ease calc(var(--delay, 0ms));
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-text h1 { animation: none; }
  .topbar-msg { animation: none; }
  .hero-grid-bg { animation: none; }
}

/* ============================================================
   工具
============================================================ */
.prose { max-width: 100%; }

/* ============================================================
   响应式断点
============================================================ */
@media (max-width: 900px) {
  main > .wrap > section > article {
    flex-direction: column;
  }
  .content-aside {
    flex: none;
    width: 100%;
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
  }
  .aside-inner { flex: 1 1 240px; }
  .hero-inner { flex-direction: column; align-items: flex-end; }
  .hero-media { display: none; }
}

@media (max-width: 600px) {
  :root { --nav-h: 56px; }
  .hero { min-height: 40vh; }
  .hero-text { text-align: right; }
  .hero-cta { justify-content: flex-end; }
  .card-grid { grid-template-columns: 1fr; }
  .feat-grid { grid-template-columns: 1fr; }
  .content-aside { flex-direction: column; }
  .about-cta { padding: 20px; }
  main { padding: 24px 0 60px; }
  main > .wrap { padding: 0 16px; }
}

@media (max-width: 375px) {
  h1 { font-size: 24px; }
  .brand-link { font-size: 18px; }
  .desktop-nav { display: none; }
}