/* =========================================================
   云齐鲁 YunQiLu — Single Page
   Design System & Styles
   Author: Frontend Dev · Date: 2026-09-11
   ========================================================= */

/* ---------- 1. Design Tokens ---------- */
:root {
  /* Brand Palette */
  --brand-orange:        #FF6B1A;
  --brand-orange-soft:   #FFB98C;
  --brand-orange-deep:   #D94F00;
  --brand-amber:         #FFA94D;

  /* Neutrals (Light) */
  --ink:                 #0A0A0A;
  --ink-700:             #1F1F22;
  --ink-500:             #4A4A4F;
  --ink-100:             #E5E5E8;
  --ink-50:              #F4F4F6;

  /* Surfaces */
  --bg:                  #FAFAF7;          /* warm off-white */
  --bg-elev:             #FFFFFF;
  --bg-sunken:           #F1F1ED;

  /* Semantic */
  --text:                var(--ink);
  --text-muted:          var(--ink-500);
  --border:              rgba(10,10,10,0.08);
  --border-strong:       rgba(10,10,10,0.14);

  /* Effects */
  --shadow-md:           0 4px 16px -2px rgba(10,10,10,0.06),
                          0 2px 6px -1px rgba(10,10,10,0.04);
  --shadow-lg:           0 24px 64px -12px rgba(10,10,10,0.12),
                          0 8px 24px -6px rgba(10,10,10,0.06);
  --shadow-brand:        0 12px 40px -8px rgba(255,107,26,0.28);

  /* Geometry */
  --radius-xs:           6px;
  --radius-md:           16px;
  --radius-lg:           24px;

  /* Typography */
  --font-sans:           "PingFang SC", "HarmonyOS Sans", "Microsoft YaHei",
                         -apple-system, BlinkMacSystemFont, "Segoe UI",
                         Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono:           "JetBrains Mono", "Fira Code", "SF Mono",
                         Consolas, "Courier New", monospace;

  /* Motion */
  --ease-out:            cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast:            180ms;
  --dur-base:            320ms;

  /* Layout */
  --container:           1180px;
  --container-narrow:    840px;
  --header-h:            72px;
}

/* ---------- 2. Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

code,
pre {
  font-family: var(--font-mono);
}

/* Selection */
::selection {
  background: var(--brand-orange);
  color: #fff;
}

/* ---------- 3. Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 40px);
}

.container--narrow {
  max-width: var(--container-narrow);
}

main {
  position: relative;
}

section {
  padding-block: clamp(64px, 9vw, 112px);
}

/* ---------- 4. Header ---------- */
.site-header {
  /* fixed：脱离文档流悬浮于 banner 之上，banner 才能铺满整屏。
     sticky 会占住顶部 72px，banner 无法延伸到导航下方，做不到"浮于其上" */
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  /* 透明度压到 0.58 + 模糊提到 22px：透得更多才看得出"隔着一层玻璃" */
  background: rgba(250, 250, 247, 0.58);
  backdrop-filter: saturate(200%) blur(22px);
  -webkit-backdrop-filter: saturate(200%) blur(22px);
  border-bottom: 1px solid rgba(10, 10, 10, 0.06);
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.6),
              0 8px 28px -16px rgba(10, 10, 10, 0.12);
  transition: background var(--dur-base) var(--ease-out);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.brand__img {
  height: 45px;
  width: auto;
  display: block;
  object-fit: contain;
}



.nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav__link {
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14.5px;
  color: var(--text-muted);
  transition: all var(--dur-fast) var(--ease-out);
}

.nav__link:hover {
  color: var(--text);
  background: var(--ink-50);
}

/* ---------- 5. Hero ---------- */
.hero {
  position: relative;
  /* 导航已 fixed 悬浮、不再占位，banner 直接铺满整屏；
     用 min-height 而非 height：内容超出时（矮屏/横屏）自然撑开，绝不裁切 */
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  /* 顶部多让出一个导航高度，使内容在"导航以下的区域"里居中，
     否则整屏居中的文案会被浮在上层的导航压住 */
  padding-block: calc(var(--header-h) + clamp(40px, 6vh, 88px))
                 clamp(40px, 6vh, 88px);
  overflow: hidden;
  /* 底色取径向而非纵向：中心一层极淡暖灰，向外缘收回到 --bg，
     这样与下方 .embed 区块顶部的 #FAFAF7 无缝衔接，不会留出色差断层 */
  background:
    radial-gradient(rgba(10,10,10,0.055) 1px, transparent 1px) 0 0 / 24px 24px,
    radial-gradient(125% 95% at 50% 38%,
      #F1EBE0 0%,
      #F7F5F0 52%,
      var(--bg) 72%);
}

/* Banner 特效层：柔光氛围 + 透视网格 + 扫描光带 */
.hero__fx {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero__aurora-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(48px);
  will-change: transform, opacity;
}

/* 柔光退居氛围层，浓度压低，把舞台让给网格与光带 */
.hero__aurora-blob--1 {
  top: -16%;
  left: 4%;
  width: clamp(280px, 42vw, 560px);
  height: clamp(280px, 42vw, 560px);
  background: radial-gradient(closest-side,
              rgba(255,107,26,0.28),
              rgba(255,107,26,0) 72%);
  animation: aurora-1 14s ease-in-out infinite;
}

.hero__aurora-blob--2 {
  top: 6%;
  right: -6%;
  width: clamp(260px, 38vw, 520px);
  height: clamp(260px, 38vw, 520px);
  background: radial-gradient(closest-side,
              rgba(255,169,77,0.24),
              rgba(255,169,77,0) 72%);
  animation: aurora-2 19s ease-in-out infinite;
}

/* 透视网格：地平线向观察者推进 */
.hero__grid {
  position: absolute;
  left: -60%;
  right: -60%;
  bottom: -18%;
  height: 80%;
  background-image:
    linear-gradient(to right,  rgba(255,107,26,0.16) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,107,26,0.16) 1px, transparent 1px);
  background-size: 58px 58px;
  transform: perspective(400px) rotateX(64deg);
  transform-origin: bottom center;
  -webkit-mask-image: linear-gradient(to top,
                      rgba(0,0,0,0.9) 0%, rgba(0,0,0,0) 74%);
  mask-image: linear-gradient(to top,
                      rgba(0,0,0,0.9) 0%, rgba(0,0,0,0) 74%);
  animation: grid-flow 2.4s linear infinite;
}

/* 扫描光带：斜向周期性扫过 banner */
.hero__sweep {
  position: absolute;
  top: -10%;
  bottom: -10%;
  left: 0;
  width: 22%;
  background: linear-gradient(90deg,
              rgba(255,255,255,0) 0%,
              rgba(255,255,255,0.60) 38%,
              rgba(255,140,60,0.45) 52%,
              rgba(255,255,255,0) 100%);
  filter: blur(8px);
  animation: sweep 6.5s cubic-bezier(0.45, 0, 0.25, 1) infinite;
}

@keyframes aurora-1 {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1);        opacity: 0.85; }
  33%      { transform: translate3d(18%, 12%, 0) scale(1.18); opacity: 1;    }
  66%      { transform: translate3d(-12%, 16%, 0) scale(0.88); opacity: 0.7; }
}

@keyframes aurora-2 {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1);         opacity: 0.8; }
  40%      { transform: translate3d(-20%, 14%, 0) scale(0.86); opacity: 1;   }
  70%      { transform: translate3d(12%, -14%, 0) scale(1.20); opacity: 0.65;}
}

@keyframes grid-flow {
  to { background-position: 0 58px; }
}

@keyframes sweep {
  0%   { transform: translateX(-130%) skewX(-16deg); opacity: 0; }
  8%   { opacity: 1; }
  60%  { opacity: 1; }
  100% { transform: translateX(560%)  skewX(-16deg); opacity: 0; }
}

/* 矮屏 / 横屏：压缩 banner 内容，让"导航 + banner = 一屏"在极端比例下依然成立 */
@media (max-height: 680px) {
  .hero {
    padding-block: calc(var(--header-h) + 20px) 36px;
  }
  .hero__title {
    font-size: clamp(28px, 4.4vw, 46px);
    margin-bottom: 14px;
  }
  .hero__sub {
    margin-bottom: 26px;
    font-size: 16px;
  }
}

.hero__inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.hero__title {
  font-size: clamp(36px, 5.8vw, 64px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(14px);
  animation: rise 0.9s var(--ease-out) 0.3s forwards;
}

.hero__title em {
  font-style: normal;
  background: linear-gradient(120deg,
                var(--brand-orange) 0%,
                var(--brand-amber) 50%,
                var(--brand-orange-deep) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__sub {
  max-width: 800px;
  margin: 0 auto 36px;
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--text-muted);
  opacity: 0;
  transform: translateY(14px);
  animation: rise 0.9s var(--ease-out) 0.45s forwards;
}

.hero__actions {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  opacity: 0;
  transform: translateY(14px);
  animation: rise 0.9s var(--ease-out) 0.6s forwards;
}

@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 6. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}

.btn--primary {
  background: var(--ink);
  color: var(--bg);
  box-shadow: var(--shadow-md);
}

.btn--primary:hover {
  background: var(--brand-orange);
  transform: translateY(-2px);
  box-shadow: var(--shadow-brand);
}

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

.btn--ghost:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
}

.btn__arrow {
  transition: transform var(--dur-fast) var(--ease-out);
}

.btn:hover .btn__arrow {
  transform: translateX(3px);
}

/* ---------- 7. Section Header ---------- */
.section-head {
  text-align: center;
  margin-bottom: clamp(40px, 6vw, 64px);
}

.section-head--bottom {
  margin-top: clamp(40px, 6vw, 72px);
  margin-bottom: 0;
}

.section-head__eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-orange);
  margin-bottom: 14px;
}

.section-head__title {
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 14px;
}

.section-head__desc {
  max-width: 800px;
  margin: 0 auto;
  color: var(--text-muted);
  font-size: 16px;
}

.section-head__desc .hl {
  color: var(--brand-orange);
  font-weight: inherit;
}

/* ---------- 8. Showcase / Footnote Embed Section ---------- */
.embed {
  background: linear-gradient(180deg,
              var(--bg) 0%,
              var(--bg-sunken) 100%);
}

.embed__grid {
  display: grid;
  grid-template-columns: minmax(0, 1080px);
  justify-content: center;
  gap: 32px;
}

.embed-card {
  background: var(--bg-elev);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
}

.embed-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.embed-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  border-bottom: 1px solid var(--border);
  /* 石墨灰质感：左右渐变 + 中央高光 + 上下 hairline */
  background:
    linear-gradient(90deg,
      rgba(255,255,255,0) 0%,
      rgba(255,255,255,0.10) 42%,
      rgba(255,255,255,0) 100%),
    linear-gradient(90deg,
      #5E5E68 0%,
      #6A6A74 42%,
      #58585F 100%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.14),
    inset 0 -1px 0 rgba(255,255,255,0.06);
}

.embed-card__title {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: #E8E8EC;
}

.embed-card__theme-toggle {
  display: inline-flex;
  border: 1px solid rgba(255, 255, 255, 0.20);
  border-radius: 999px;
  padding: 3px;
  background: rgba(255, 255, 255, 0.08);
}

.embed-card__theme-btn {
  padding: 5px 12px;
  font-size: 12.5px;
  color: rgba(255,255,255,0.82);
  border-radius: 999px;
  transition: all var(--dur-fast) var(--ease-out);
}

.embed-card__theme-btn[aria-pressed="true"] {
  background: var(--brand-orange);
  color: #fff;
  font-weight: 500;
}

.embed-card__preview {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  min-height: 180px;
  position: relative;
  transition: background var(--dur-base) var(--ease-out);
}

.embed-card__preview--light {
  background: #FFFFFF;
}

.embed-card__preview--dark {
  background: #0F0F12;
}

.embed-card__preview--dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%,
              rgba(255,107,26,0.08),
              transparent 60%);
  pointer-events: none;
}

.embed-card__snippet-wrap {
  border-top: 1px solid var(--border);
  /* 整个代码区（HTML 标签行 + 代码）的底色 */
  background: #E3E3E3;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.7);
  /* 左右留白由这层不滚动的容器承担：
     pre 是 overflow-x 滚动容器，它自身的 padding 会随内容滚走，
     只有放在外层，代码到任何滚动位置都不会贴住卡片边框 */
  padding: 0 28px 16px;
}

.embed-card__snippet-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-xs);
  font-size: 12px;
  font-weight: 500;
  font-family: var(--font-sans);
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  color: var(--text);
  transition: all var(--dur-fast) var(--ease-out);
}

.copy-btn:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--bg);
}

.copy-btn svg {
  width: 12px;
  height: 12px;
}

.copy-btn.is-copied {
  background: var(--brand-orange);
  border-color: var(--brand-orange);
  color: #fff;
}

pre.embed-card__code {
  padding: 0 0 12px;
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-700);
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
}

pre.embed-card__code::-webkit-scrollbar { height: 6px; }
pre.embed-card__code::-webkit-scrollbar-thumb {
  background: var(--ink-100);
  border-radius: 999px;
}

/* 底色加深后同步压深语法色，维持 4.5:1 以上的可读性 */
pre.embed-card__code .tag    { color: #A93226; }
pre.embed-card__code .attr   { color: #1D4ED8; }
pre.embed-card__code .str    { color: #146C34; }

/* ---------- 9. Embed Footnote (the actual rendered HTML) ---------- */
.yql-footnote {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  font-size: 14px;
  text-decoration: none;
  transition: opacity var(--dur-fast) var(--ease-out);
}

.yql-footnote:hover {
  opacity: 0.78;
}

.yql-footnote__img {
  height: 1.3em;
  width: auto;
  vertical-align: sub;
  display: inline-block;
}

.yql-footnote--light {
  color: var(--ink);
}

.yql-footnote--dark {
  color: #F5F5F7;
}

/* ---------- 10. Features Section ---------- */
.features {
  background: var(--bg);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 880px) {
  .features__grid {
    grid-template-columns: 1fr;
  }
}

.feature {
  padding: 32px 28px;
  background: var(--bg-elev);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: all var(--dur-base) var(--ease-out);
  /* 图标与小标题同行，描述独占下一行 */
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  column-gap: 14px;
  row-gap: 12px;
}

.feature:hover {
  transform: translateY(-4px);
  border-color: var(--brand-orange-soft);
  box-shadow: var(--shadow-md);
}

.feature__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg,
              rgba(255,107,26,0.12),
              rgba(255,169,77,0.06));
  display: grid;
  place-items: center;
  grid-row: 1;
  grid-column: 1;
  color: var(--brand-orange);
}

.feature__icon svg {
  width: 24px;
  height: 24px;
  stroke-width: 1.8;
}

.feature__title {
  grid-row: 1;
  grid-column: 2;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.feature__desc {
  grid-row: 2;
  grid-column: 1 / -1;
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ---------- 11. About · Contact QR ---------- */
.qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

/* 白卡片 + 细边框：二维码多为深色密集图形，需要一圈留白把它从灰底上托起来 */
.qr__card {
  padding: 12px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
}

.qr__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.qr__img {
  width: 144px;
  height: 144px;
  display: block;
  border-radius: var(--radius-xs);
}

.qr__label {
  font-size: 14px;
  color: var(--text-muted);
}

/* ---------- 12. Footer ---------- */
.site-footer {
  padding-block: clamp(40px, 5vw, 56px) 28px;
  background: var(--ink);
  color: #C5C5C9;
}

/* 品牌信息靠左、联系方式靠右；容器不够宽时联系方式整体换到下一行 */
.footer__top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px 32px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer__logo {
  /* 只约束高度、宽度自动 → 严格按原图比例缩放；
     object-fit 兜底：即使外层容器收窄触发 max-width，也只缩放不拉伸 */
  height: 24px;
  width: auto;
  object-fit: contain;
  border-radius: 4px;
}

/* 标题与三项同一行，窄屏自动折行 */
.footer__contact {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 20px;
}

.footer__contact-title {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.45);
}

/* 邮箱 / QQ / 微信 同处一行，窄屏自动折行 */
.footer__contact-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 32px;
}

.footer__contact-list li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 14px;
}

.footer__contact-key {
  font-size: 12.5px;
  color: rgba(255,255,255,0.40);
}

.footer__contact-val {
  color: #E5E5E8;
  font-family: var(--font-mono);
  letter-spacing: -0.01em;
}

a.footer__contact-val:hover {
  color: var(--brand-orange-soft);
}

.footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
  padding-top: 20px;
  font-size: 13px;
  color: rgba(255,255,255,0.45);
}

.footer__beian a:hover { color: var(--brand-orange-soft); }

/* ---------- 13. Toast ---------- */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translate(-50%, 24px);
  z-index: 1000;
  padding: 10px 18px;
  background: var(--ink);
  color: #fff;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

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

.toast svg {
  width: 14px;
  height: 14px;
  color: var(--brand-orange);
}

/* ---------- 14. Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--ease-out),
              transform 0.8s var(--ease-out);
}

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

/* ---------- 15. Responsive ---------- */
@media (max-width: 720px) {
  :root { --header-h: 64px; }
  .nav { display: none; }
  .footer__legal { flex-direction: column; align-items: flex-start; }
  .hero__actions { flex-direction: column; width: 100%; }
  .hero__actions .btn { width: 100%; justify-content: center; }
}

/* ---------- 16. Accessibility ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

:focus-visible {
  outline: 2px solid var(--brand-orange);
  outline-offset: 3px;
  border-radius: 4px;
}
