/* ============================================
   知康云 (ZhiKangYun) — 官网样式系统 v2（亮色 · 大气 · 图文并茂）
   设计规范：竹绿 #3A7D44 / 大地色 #8B6B4D / 暖金 #C49A6C / 米白 #FDF8F0
   字体：Noto Serif SC(标题) / Noto Sans SC(正文) / Inter(数字英文)
   响应式：Mobile First
   ============================================ */

/* ---- CSS 变量（设计 Token） ---- */
:root {
  /* 色彩体系（亮色基调，竹绿作明快点） */
  --color-primary: #3A7D44;
  --color-primary-dark: #2D6B3A;
  --color-primary-light: #5DAF6B;
  --color-secondary: #8B6B4D;
  --color-accent: #C49A6C;
  --color-accent-light: #D4B88C;
  --color-emphasis: #6BAF8D;
  --color-bg: #FDF8F0;
  --color-bg-pure: #FFFFFF;
  --color-bg-soft: #F4F7F0;
  --color-bg-card: #FFFFFF;
  --color-text: #2D2D2D;
  --color-text-light: #5C5C5C;
  --color-text-muted: #8A8A8A;
  --color-border: #ECE4D8;
  --color-border-strong: #DDD2C2;
  --color-white: #FFFFFF;

  /* 竹绿 tint / 大地 tint / 暖金 tint（亮色卡底） */
  --tint-green: #EAF3DE;
  --tint-brown: #F3EEE6;
  --tint-amber: #FAF1E2;

  /* 字体 */
  --font-heading: 'Noto Serif SC', 'STSong', 'SimSun', serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-number: 'Inter', 'SF Pro', -apple-system, sans-serif;

  /* 间距 */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6.5rem;
  --space-2xl: 9rem;

  /* 圆角 */
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  /* 阴影（轻量、干净，增强层次不压暗） */
  --shadow-sm: 0 2px 10px rgba(45, 45, 45, 0.05);
  --shadow-md: 0 8px 30px rgba(45, 45, 45, 0.07);
  --shadow-lg: 0 18px 60px rgba(45, 45, 45, 0.09);

  /* 过渡 */
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* 容器宽度 */
  --container-max: 1200px;
  --container-narrow: 920px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.75;
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--color-primary-dark);
}

ul { list-style: none; }

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
}

.section-label {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  display: block;
}

.section-title {
  font-size: clamp(1.75rem, 3.4vw, 2.6rem);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.01em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-light);
  max-width: 640px;
  line-height: 1.7;
}

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.section { padding: var(--space-xl) 0; }

.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-header .section-subtitle { margin: 0 auto; }

.section-header.left { text-align: left; }
.section-header.left .section-subtitle { margin: 0; }

/* 交替底色，营造呼吸节奏（均为亮色） */
.section--soft { background: var(--color-bg-soft); }
.section--pure { background: var(--color-bg-pure); }

/* ---- Navbar ---- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(253, 248, 240, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

.navbar.scrolled { box-shadow: 0 2px 24px rgba(45, 45, 45, 0.05); }

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
}

.navbar-brand .brand-mark {
  width: 38px; height: 38px;
  background: var(--color-primary);
  border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.15rem; font-weight: 700;
  flex-shrink: 0;
}

.navbar-logo-img { height: 58px; width: auto; display: block; flex-shrink: 0; }

.navbar-links { display: flex; align-items: center; gap: var(--space-md); }

.navbar-links a {
  font-size: 0.95rem;
  color: var(--color-text-light);
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--transition);
}

.navbar-links a::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 2px; background: var(--color-primary);
  transform: scaleX(0); transition: transform var(--transition);
}

.navbar-links a:hover, .navbar-links a.active { color: var(--color-primary); }
.navbar-links a:hover::after, .navbar-links a.active::after { transform: scaleX(1); }

.navbar-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.navbar-toggle span { display: block; width: 24px; height: 2px; background: var(--color-text); border-radius: 2px; transition: var(--transition); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 0.85rem 1.9rem;
  font-family: var(--font-body);
  font-size: 0.95rem; font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer; transition: all var(--transition);
  text-decoration: none; line-height: 1.4;
}

.btn-primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn-primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); color: #fff; }

.btn-outline { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: #fff; }

.btn-ghost { background: transparent; color: var(--color-text-light); border-color: transparent; }
.btn-ghost:hover { color: var(--color-primary); background: rgba(58, 125, 68, 0.06); }

.btn-lg { padding: 1.05rem 2.4rem; font-size: 1.05rem; }

/* ---- Hero Section（亮色大气） ---- */
.hero {
  padding: calc(72px + var(--space-xl)) 0 var(--space-lg);
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(58,125,68,0.06), transparent 60%),
    radial-gradient(700px 400px at 5% 110%, rgba(196,154,108,0.07), transparent 60%);
  pointer-events: none;
}

.hero-split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-lg);
  align-items: center;
  position: relative; z-index: 1;
}

.hero-content { max-width: 580px; }

.hero-tag {
  display: inline-block;
  padding: 0.45rem 1.2rem;
  font-size: 0.85rem; font-weight: 600;
  color: var(--color-primary);
  background: var(--tint-green);
  border-radius: 100px;
  margin-bottom: var(--space-md);
  letter-spacing: 0.04em;
}

.hero-title {
  font-size: clamp(2.2rem, 4.6vw, 3.4rem);
  margin-bottom: var(--space-md);
  letter-spacing: -0.015em;
  line-height: 1.2;
}

.hero-title .highlight { color: var(--color-primary); }

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--color-text-light);
  line-height: 1.75;
  margin-bottom: var(--space-md);
  max-width: 540px;
}

.hero-motto {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--color-secondary);
  margin-bottom: var(--space-lg);
  font-style: italic;
}

.hero-actions { display: flex; gap: var(--space-sm); flex-wrap: wrap; }

.hero-visual { display: flex; align-items: center; justify-content: center; }

/* ---- 系统脉络图（SVG 信息图容器） ---- */
.system-web { width: 100%; max-width: 460px; height: auto; }

/* ---- 图文交替区块（图文并茂核心） ---- */
.media-text {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}
.media-text.reverse .media-text-media { order: 2; }

.media-text-media img { width: 100%; border-radius: var(--radius-lg); }

.media-text-body .section-label { margin-bottom: var(--space-sm); }
.media-text-body h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: var(--space-sm); }
.media-text-body p { font-size: 1.05rem; color: var(--color-text-light); line-height: 1.8; margin-bottom: var(--space-md); }
.media-text-body .lead { font-size: 1.15rem; color: var(--color-text); }

/* ---- 板块矩阵（公司全板块） ---- */
.boards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.board-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  display: flex; flex-direction: column;
}
.board-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--color-border-strong); }

.board-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-sm);
}
.board-icon.green { background: var(--tint-green); color: var(--color-primary); }
.board-icon.brown { background: var(--tint-brown); color: var(--color-secondary); }
.board-icon.amber { background: var(--tint-amber); color: var(--color-accent); }

.board-card h3 { font-size: 1.2rem; margin-bottom: 0.4rem; }
.board-card p { font-size: 0.95rem; color: var(--color-text-light); line-height: 1.65; flex: 1; }
.board-card .board-link { margin-top: var(--space-sm); font-size: 0.9rem; font-weight: 600; color: var(--color-primary); }

/* ---- 衡动生和 四维 ---- */
.dimensions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}
.dimension-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all var(--transition);
  overflow: hidden;
}
.dimension-card:hover { box-shadow: var(--shadow-sm); }
.dimension-card .dim-icon {
  width: 56px; height: 56px; margin: 0 auto var(--space-sm);
  border-radius: 16px; display: flex; align-items: center; justify-content: center;
  background: var(--tint-green); color: var(--color-primary);
}
.dimension-card h4 { font-size: 1.15rem; margin-bottom: 0.3rem; }
.dimension-card .dim-tag { font-size: 0.8rem; color: var(--color-primary); font-weight: 600; margin-bottom: var(--space-xs); }
.dimension-card p { font-size: 0.9rem; color: var(--color-text-light); line-height: 1.6; }

/* ---- 三大入口（保留核心地位，亮色图文卡） ---- */
.entrances-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }

.entrance-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  display: flex; flex-direction: column;
}
.entrance-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }

.entrance-cover {
  height: 180px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.entrance-cover.kangliao { background: var(--tint-green); }
.entrance-cover.zhubao { background: var(--tint-brown); }
.entrance-cover.kangyu { background: var(--tint-amber); }
.entrance-cover .cover-icon {
  width: 72px; height: 72px; border-radius: 20px;
  background: #fff; display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-sm);
}
.entrance-cover .cover-icon svg { width: 40px; height: 40px; }

.entrance-body { padding: var(--space-md); display: flex; flex-direction: column; flex: 1; }
.entrance-tag {
  display: inline-block; align-self: flex-start;
  padding: 0.3rem 0.85rem; font-size: 0.78rem; font-weight: 600;
  border-radius: 100px; margin-bottom: var(--space-sm);
}
.entrance-tag.kangliao { background: var(--tint-green); color: var(--color-primary); }
.entrance-tag.zhubao { background: var(--tint-brown); color: var(--color-secondary); }
.entrance-tag.kangyu { background: var(--tint-amber); color: var(--color-accent); }

.entrance-card h3 { font-size: 1.45rem; margin-bottom: 0.4rem; }
.entrance-card .entrance-audience { font-size: 0.9rem; color: var(--color-text-muted); margin-bottom: var(--space-sm); }
.entrance-card .entrance-value { font-size: 1.05rem; font-weight: 600; color: var(--color-text); margin-bottom: var(--space-md); line-height: 1.5; }
.entrance-card .btn { width: 100%; justify-content: center; margin-top: auto; }

/* ---- 闭环（横向步骤） ---- */
.loop-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--space-sm); }
.loop-step {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-sm);
  text-align: center;
  position: relative;
}
.loop-step .loop-num {
  width: 40px; height: 40px; margin: 0 auto var(--space-sm);
  border-radius: 50%; background: var(--tint-green); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-number); font-weight: 700;
}
.loop-step h4 { font-size: 1rem; margin-bottom: 0.3rem; }
.loop-step p { font-size: 0.85rem; color: var(--color-text-light); line-height: 1.5; }

/* ---- 信任背书 ---- */
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.trust-item {
  text-align: center; padding: var(--space-md);
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}
.trust-item .trust-icon {
  width: 52px; height: 52px; margin: 0 auto var(--space-sm);
  border-radius: 14px; background: var(--tint-green);
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
}
.trust-item h4 { font-size: 1.05rem; margin-bottom: 0.3rem; }
.trust-item p { font-size: 0.9rem; color: var(--color-text-light); line-height: 1.6; }

.company-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 0.6rem 1.2rem; margin-top: var(--space-md);
  background: var(--tint-brown); border-radius: var(--radius-sm);
  font-size: 0.9rem; color: var(--color-secondary); font-weight: 600;
}

/* ---- CTA ---- */
.cta-section {
  text-align: center;
  padding: var(--space-xl) 0;
  background: var(--tint-green);
}
.cta-section h2 { font-size: clamp(1.8rem, 3.4vw, 2.4rem); margin-bottom: var(--space-sm); }
.cta-section p { font-size: 1.15rem; color: var(--color-text-light); margin-bottom: var(--space-md); }
.cta-section .hero-actions { justify-content: center; }

/* ---- Footer ---- */
.footer {
  background: #FFFFFF; color: var(--color-text);
  padding: var(--space-lg) 0 var(--space-md);
  border-top: 1px solid var(--color-border);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: var(--space-md); margin-bottom: var(--space-lg); }
.footer-brand .brand-name { font-family: var(--font-heading); font-size: 1.3rem; font-weight: 700; color: var(--color-primary); margin-bottom: var(--space-xs); }
.footer-brand p { font-size: 0.9rem; line-height: 1.6; max-width: 280px; color: var(--color-text-light); }
.footer h4 { font-family: var(--font-body); font-size: 0.9rem; font-weight: 600; color: var(--color-text); margin-bottom: var(--space-sm); letter-spacing: 0.03em; }
.footer-links a { display: block; font-size: 0.9rem; color: var(--color-text-light); padding: 0.35rem 0; transition: color var(--transition), transform var(--transition); }
.footer-links a:hover { color: var(--color-primary); transform: translateX(3px); }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-md);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--space-sm);
  font-size: 0.82rem; color: var(--color-text-muted);
}
.footer-company { text-align: center; padding-bottom: var(--space-md); margin-bottom: var(--space-md); border-bottom: 1px solid var(--color-border); }
.footer-company .company-full-name { font-family: var(--font-heading); font-size: 1rem; font-weight: 700; color: var(--color-text); margin-bottom: 0.2rem; }
.footer-company .company-tagline { font-size: 0.82rem; color: var(--color-text-light); }
.footer-company .company-legal { font-size: 0.75rem; color: var(--color-text-muted); margin-top: 0.3rem; }

/* 返回顶部 */
.back-to-top {
  position: fixed; bottom: 2rem; right: 2rem;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--color-primary); color: #fff; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
  box-shadow: var(--shadow-md); opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all var(--transition); z-index: 999;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--color-primary-dark); transform: translateY(-2px); }

/* 分割线 */
.section-divider { height: 1px; background: var(--color-border); margin: 0; border: none; }

/* Schema 隐藏元素 */
.schema-only { display: none; }

/* ---- 图片增强（图文并茂） ---- */
.hero-visual img {
  width: 100%;
  max-width: 560px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  object-fit: cover;
}

.media-text-media img,
.media-text-media .img-frame img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  object-fit: cover;
}

.media-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.media-figure img { display: block; width: 100%; }
.media-figure figcaption {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  text-align: center;
  padding: 0.6rem 0.75rem;
  background: var(--color-bg-soft);
}

/* 维度卡片图片 */
.dim-card-image {
  width: 100%;
  height: 170px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  overflow: hidden;
  margin: calc(-1 * var(--space-md)) calc(-1 * var(--space-md)) var(--space-sm);
}
.dim-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.dimension-card:hover .dim-card-image img { transform: scale(1.04); }

/* 三大入口卡片封面（支持图片叠图标） */
.entrance-cover {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.entrance-cover img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.entrance-card:hover .entrance-cover img { transform: scale(1.03); }
.entrance-cover .cover-icon {
  position: relative;
  z-index: 2;
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}
.entrance-cover .cover-icon svg { width: 40px; height: 40px; }

/* 图片占位框（真实图未到位前使用，亮色干净） */
.img-frame {
  background: linear-gradient(135deg, #F4F7F0, #FBF6EC);
  border: 1.5px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  width: 100%;
  min-height: 280px;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  text-align: center;
  padding: var(--space-md);
  gap: var(--space-xs);
}
.img-frame .frame-icon { font-size: 2rem; opacity: 0.5; margin-bottom: var(--space-xs); }
.img-frame .frame-note { font-weight: 600; color: var(--color-text-light); }
.img-frame .frame-size { font-size: 0.8rem; opacity: 0.8; }

/* ============================================
   动画
   ============================================ */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ============================================
   响应式 – Mobile First
   ============================================ */
@media (max-width: 1024px) {
  .boards-grid { grid-template-columns: repeat(2, 1fr); }
  .dimensions-grid { grid-template-columns: repeat(2, 1fr); }
  .loop-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767px) {
  :root { --space-xl: 3.5rem; --space-lg: 2.5rem; --space-md: 1.25rem; }

  .navbar-links {
    position: fixed; top: 84px; left: 0; right: 0;
    background: var(--color-bg); flex-direction: column;
    padding: var(--space-md); gap: 0;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%); opacity: 0; pointer-events: none;
    transition: all 0.3s ease;
  }
  .navbar-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .navbar-logo-img { height: 50px; }
  .navbar-links a { padding: 0.875rem 0; border-bottom: 1px solid var(--color-border); width: 100%; }
  .navbar-links a:last-child { border-bottom: none; }
  .navbar-links a::after { display: none; }
  .navbar-toggle { display: flex; }

  .hero-split { grid-template-columns: 1fr; gap: var(--space-md); }
  .hero-content { max-width: 100%; text-align: center; margin: 0 auto; }
  .hero-subtitle, .hero-motto { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-visual { order: -1; }
  .hero-visual img { max-width: 100%; }

  .media-text { grid-template-columns: 1fr; gap: var(--space-md); }
  .media-text.reverse .media-text-media { order: 0; }

  .entrances-grid { grid-template-columns: 1fr; }
  .boards-grid { grid-template-columns: 1fr; }
  .dimensions-grid { grid-template-columns: 1fr 1fr; }
  .dim-card-image { height: 140px; }
  .loop-grid { grid-template-columns: 1fr 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand p { max-width: 100%; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .back-to-top { bottom: 1rem; right: 1rem; width: 42px; height: 42px; }
}

@media (min-width: 1025px) {
  .hero-title { font-size: 3.4rem; }
}