/* ============================================================
   信立新能源 · 官网样式
   设计方向：暖纸底 + 松林绿 + 电光青柠 · 编辑风版式
   ============================================================ */

:root {
  --paper: #F6F3EA;
  --paper-2: #FFFFFF;
  --ink: #12241D;
  --ink-soft: #4A5A51;
  --pine: #0F4A38;
  --pine-deep: #0A3527;
  --lime: #B5E33D;
  --lime-deep: #7FA81B;
  --line: #DCD6C4;
  --line-dark: rgba(246, 243, 234, 0.16);
  --radius: 22px;
  --radius-s: 12px;
  --font: "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --serif: "Songti SC", "STSong", "SimSun", serif;
  --ease: cubic-bezier(0.25, 1, 0.5, 1);
  --maxw: 1180px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--lime); color: var(--ink); }

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img, svg { display: block; max-width: 100%; }

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

/* ---------------- 排版 ---------------- */

h1, h2, h3, h4 { font-weight: 800; line-height: 1.15; letter-spacing: -0.02em; }

.display {
  font-size: clamp(42px, 7.2vw, 88px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.06;
}

.serif { font-family: var(--serif); font-weight: 900; }

.h2 {
  font-size: clamp(30px, 4vw, 46px);
  letter-spacing: -0.02em;
}

.lead { font-size: clamp(16px, 1.6vw, 19px); color: var(--ink-soft); max-width: 620px; }

.accent {
  color: transparent;
  background: linear-gradient(transparent 62%, var(--lime) 62%, var(--lime) 94%, transparent 94%);
  padding: 0 0.06em;
}

/* ---------------- 按钮 ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 16px;
  border: 2px solid var(--ink);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.35s var(--ease);
  cursor: pointer;
}

.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { transform: translate(-3px, -3px); box-shadow: 5px 5px 0 var(--lime-deep); }

.btn-lime { background: var(--lime); color: var(--ink); border-color: var(--ink); }
.btn-lime:hover { transform: translate(-3px, -3px); box-shadow: 5px 5px 0 var(--pine); }

.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

.btn .arr { transition: transform 0.3s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }

/* ---------------- 导航 ---------------- */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 243, 234, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.site-nav .inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: flex; align-items: center; gap: 12px; }

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--pine);
  display: grid;
  place-items: center;
  flex: none;
}

.brand-name { font-weight: 900; font-size: 19px; letter-spacing: 0.02em; line-height: 1.2; }
.brand-sub { font-size: 11px; letter-spacing: 0.22em; color: var(--ink-soft); font-weight: 600; }

.nav-links { display: flex; align-items: center; gap: 34px; }

.nav-links a {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-soft);
  position: relative;
  padding: 4px 0;
  transition: color 0.25s;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 3px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}

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

.nav-cta {
  padding: 10px 22px;
  font-size: 14px;
  background: var(--lime);
  border: 2px solid var(--ink);
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.nav-cta:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--ink); }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 2px solid var(--ink);
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
  position: relative;
  z-index: 10;
}

.nav-toggle span {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2.5px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.35s var(--ease), opacity 0.2s;
}

.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 21px; }
.nav-toggle span:nth-child(3) { top: 28px; }

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------------- 首屏 ---------------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(56px, 9vw, 110px) 0 clamp(48px, 7vw, 84px);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.45;
  mask-image: radial-gradient(ellipse 90% 80% at 70% 20%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 70% 20%, black 30%, transparent 75%);
}

.hero .wrap { position: relative; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  background: var(--paper-2);
  margin-bottom: 28px;
}

.hero-kicker .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--lime-deep); animation: pulse 2s infinite; }

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(127, 168, 27, 0.5); }
  50% { box-shadow: 0 0 0 7px rgba(127, 168, 27, 0); }
}

.hero p.lead { margin: 26px 0 36px; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }

.hero-art { position: relative; }

.hero-art svg { width: 100%; height: auto; }

.hero-chip {
  position: absolute;
  background: var(--paper-2);
  border: 1.5px solid var(--ink);
  border-radius: 14px;
  padding: 10px 16px;
  font-size: 13.5px;
  font-weight: 700;
  box-shadow: 4px 4px 0 var(--lime);
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-chip b { font-size: 16px; }

/* ---------------- 跑马灯 ---------------- */

.marquee {
  background: var(--pine);
  color: var(--paper);
  overflow: hidden;
  padding: 18px 0;
  transform: rotate(-0.6deg) scale(1.01);
  margin: 8px 0;
}

.marquee-track {
  display: flex;
  gap: 48px;
  white-space: nowrap;
  width: max-content;
  animation: marquee 26s linear infinite;
}

.marquee-track span {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.12em;
  display: flex;
  align-items: center;
  gap: 48px;
}

.marquee-track .star { color: var(--lime); font-size: 14px; }

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

/* ---------------- 区块通用 ---------------- */

.section { padding: clamp(64px, 9vw, 120px) 0; }

.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; margin-bottom: clamp(36px, 5vw, 60px); flex-wrap: wrap; }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--lime-deep);
  margin-bottom: 14px;
}

.section-tag::before { content: ""; width: 28px; height: 3px; background: var(--lime-deep); border-radius: 2px; }

.section-head .lead { margin-bottom: 6px; }

/* ---------------- 数据条 ---------------- */

.stats {
  background: var(--pine-deep);
  color: var(--paper);
  border-radius: var(--radius);
  padding: clamp(36px, 5vw, 56px) clamp(28px, 4vw, 52px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  overflow: hidden;
}

.stats::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(181, 227, 61, 0.25), transparent 70%);
}

.stat-num {
  font-size: clamp(34px, 4.4vw, 52px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}

.stat-num small { font-size: 0.45em; color: var(--paper); margin-left: 4px; font-weight: 700; }

.stat-label { margin-top: 12px; font-size: 14.5px; color: rgba(246, 243, 234, 0.75); font-weight: 600; }

/* ---------------- 业务卡片 ---------------- */

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.card {
  background: var(--paper-2);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.card:hover { transform: translate(-4px, -4px); box-shadow: 6px 6px 0 var(--lime); }

.card .num {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--lime-deep);
}

.card h3 { font-size: 21px; }

.card p { font-size: 15px; color: var(--ink-soft); flex: 1; }

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

.card .tag {
  font-size: 12.5px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  background: var(--paper);
}

.card .icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--pine);
  display: grid;
  place-items: center;
  color: var(--lime);
}

/* ---------------- 场景带 ---------------- */

.scene-band { background: var(--pine); color: var(--paper); border-radius: var(--radius); overflow: hidden; }

.scene-row {
  display: grid;
  grid-template-columns: 88px 1fr 1.4fr auto;
  gap: 28px;
  align-items: center;
  padding: 34px clamp(24px, 4vw, 48px);
  border-bottom: 1px solid var(--line-dark);
  transition: background 0.35s;
}

.scene-row:last-child { border-bottom: none; }
.scene-row:hover { background: rgba(181, 227, 61, 0.08); }

.scene-row .idx {
  font-size: 30px;
  font-weight: 900;
  color: var(--lime);
  opacity: 0.9;
}

.scene-row h3 { font-size: 22px; margin-bottom: 4px; }

.scene-row .scene-sub { font-size: 12.5px; letter-spacing: 0.16em; color: rgba(246, 243, 234, 0.55); font-weight: 700; }

.scene-row p { font-size: 14.5px; color: rgba(246, 243, 234, 0.75); }

.scene-row .go {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1.5px solid rgba(246, 243, 234, 0.35);
  display: grid;
  place-items: center;
  transition: background 0.3s, border-color 0.3s, transform 0.3s var(--ease);
  color: var(--paper);
}

.scene-row:hover .go { background: var(--lime); border-color: var(--lime); color: var(--ink); transform: rotate(-45deg); }

/* ---------------- 优势 ---------------- */

.adv { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1.5px solid var(--ink); border-radius: var(--radius); overflow: hidden; background: var(--paper-2); }

.adv-item { padding: 36px 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background 0.35s; }
.adv-item:nth-child(4n) { border-right: none; }
.adv-item:nth-child(n+5) { border-bottom: none; }
.adv-item:hover { background: #FDFBF3; }

.adv-item .k { font-size: 13px; font-weight: 800; letter-spacing: 0.15em; color: var(--lime-deep); margin-bottom: 14px; }

.adv-item h3 { font-size: 19px; margin-bottom: 10px; }

.adv-item p { font-size: 14px; color: var(--ink-soft); }

/* ---------------- CTA 大横幅 ---------------- */

.cta-band {
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius);
  padding: clamp(44px, 6vw, 72px);
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 40px;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  left: -60px;
  bottom: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(181, 227, 61, 0.18), transparent 70%);
}

.cta-band h2 { font-size: clamp(28px, 4vw, 44px); letter-spacing: -0.02em; }

.cta-band h2 em { font-style: normal; color: var(--lime); font-family: var(--serif); }

.cta-band p { margin-top: 16px; color: rgba(246, 243, 234, 0.72); }

.cta-band .actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }

/* ---------------- 页脚 ---------------- */

.site-footer { background: var(--pine-deep); color: var(--paper); margin-top: clamp(64px, 9vw, 110px); }

.footer-main {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding: clamp(48px, 6vw, 72px) 0 40px;
}

.footer-main h4 { font-size: 14px; letter-spacing: 0.16em; color: var(--lime); margin-bottom: 18px; font-weight: 800; }

.footer-main a, .footer-main li { font-size: 14.5px; color: rgba(246, 243, 234, 0.72); display: block; padding: 5px 0; transition: color 0.25s; }

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

.footer-brand .brand-name { color: var(--paper); }
.footer-brand .brand-sub { color: rgba(246, 243, 234, 0.5); }

.footer-brand p { font-size: 14.5px; color: rgba(246, 243, 234, 0.6); margin-top: 18px; max-width: 300px; }

.footer-bottom {
  border-top: 1px solid var(--line-dark);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(246, 243, 234, 0.45);
}

/* ---------------- 内页头部 ---------------- */

.page-hero {
  padding: clamp(56px, 8vw, 96px) 0 clamp(40px, 5vw, 64px);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.4;
  mask-image: radial-gradient(ellipse 80% 90% at 50% 0%, black 25%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 90% at 50% 0%, black 25%, transparent 70%);
}

.page-hero .wrap { position: relative; }

.page-hero .crumbs { font-size: 13.5px; font-weight: 600; color: var(--ink-soft); margin-bottom: 18px; letter-spacing: 0.04em; }

.page-hero h1 { font-size: clamp(36px, 5.6vw, 64px); letter-spacing: -0.025em; }

.page-hero .lead { margin-top: 18px; }

/* ---------------- 业务详情页 ---------------- */

.svc-block {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
  padding: clamp(40px, 6vw, 72px) 0;
  border-top: 1px solid var(--line);
}

.svc-block:first-of-type { border-top: none; }

.svc-block .svc-num {
  font-size: clamp(56px, 7vw, 88px);
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px var(--ink);
  opacity: 0.85;
  margin-bottom: 12px;
  font-variant-numeric: tabular-nums;
}

.svc-block h2 { font-size: clamp(26px, 3.4vw, 38px); margin-bottom: 16px; }

.svc-block .svc-points { margin-top: 22px; display: grid; gap: 12px; }

.svc-block .svc-points li { display: flex; gap: 12px; font-size: 15px; color: var(--ink-soft); align-items: baseline; }

.svc-block .svc-points li::before {
  content: "";
  width: 9px;
  height: 9px;
  background: var(--lime);
  border: 1.5px solid var(--ink);
  border-radius: 3px;
  flex: none;
  transform: translateY(-1px);
}

.svc-visual {
  background: var(--paper-2);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  padding: 36px 32px;
  box-shadow: 8px 8px 0 var(--lime);
}

.svc-visual h4 { font-size: 15px; letter-spacing: 0.14em; color: var(--lime-deep); margin-bottom: 20px; }

.svc-visual .kv { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px dashed var(--line); font-size: 14.5px; }

.svc-visual .kv:last-child { border-bottom: none; }
.svc-visual .kv b { font-weight: 700; }
.svc-visual .kv span { color: var(--ink-soft); }

/* ---------------- 案例页 ---------------- */

.case-card {
  background: var(--paper-2);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
  display: flex;
  flex-direction: column;
}

.case-card:hover { transform: translate(-4px, -4px); box-shadow: 6px 6px 0 var(--lime); }

.case-cover {
  padding: clamp(28px, 4vw, 44px) clamp(24px, 3vw, 36px);
  color: var(--paper);
  position: relative;
  overflow: hidden;
}

.case-cover .cc-tag { font-size: 12.5px; font-weight: 800; letter-spacing: 0.16em; opacity: 0.85; margin-bottom: 10px; display: block; }

.case-cover h3 { font-size: 24px; letter-spacing: -0.01em; }

.case-body { padding: 26px clamp(24px, 3vw, 32px) 30px; display: flex; flex-direction: column; gap: 14px; flex: 1; }

.case-body p { font-size: 14.5px; color: var(--ink-soft); flex: 1; }

.case-data { display: flex; gap: 28px; border-top: 1px dashed var(--line); padding-top: 16px; }

.case-data div b { font-size: 24px; font-weight: 900; color: var(--pine); font-variant-numeric: tabular-nums; display: block; line-height: 1.1; }

.case-data div span { font-size: 12.5px; color: var(--ink-soft); font-weight: 600; }

/* ---------------- 关于页 ---------------- */

.timeline { position: relative; padding-left: 36px; }

.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 2.5px;
  background: var(--line);
  border-radius: 2px;
}

.tl-item { position: relative; padding: 0 0 36px; }

.tl-item::before {
  content: "";
  position: absolute;
  left: -36px;
  top: 7px;
  width: 19px;
  height: 19px;
  border-radius: 50%;
  background: var(--lime);
  border: 2.5px solid var(--ink);
}

.tl-item .tl-year { font-size: 20px; font-weight: 900; color: var(--pine); }

.tl-item p { color: var(--ink-soft); font-size: 15px; margin-top: 6px; }

.value-card {
  background: var(--pine);
  color: var(--paper);
  border-radius: var(--radius);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 100%;
}

.value-card .big { font-size: 40px; font-weight: 900; color: var(--lime); line-height: 1; }

.value-card h3 { font-size: 20px; }

.value-card p { font-size: 14.5px; color: rgba(246, 243, 234, 0.72); }

/* ---------------- 联系页 ---------------- */

.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(32px, 5vw, 64px); align-items: start; }

.contact-list { display: grid; gap: 14px; }

.contact-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: var(--paper-2);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius-s);
  padding: 20px 22px;
}

.contact-item .ci-ico {
  width: 44px;
  height: 44px;
  flex: none;
  border-radius: 12px;
  background: var(--lime);
  border: 1.5px solid var(--ink);
  display: grid;
  place-items: center;
}

.contact-item b { display: block; font-size: 15px; margin-bottom: 2px; }

.contact-item span { font-size: 14px; color: var(--ink-soft); }

.form-card {
  background: var(--paper-2);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  padding: clamp(28px, 4vw, 44px);
  box-shadow: 8px 8px 0 var(--lime);
}

.form-card h3 { font-size: 24px; margin-bottom: 8px; }

.form-card > p { font-size: 14.5px; color: var(--ink-soft); margin-bottom: 26px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }

.field label { font-size: 13.5px; font-weight: 700; letter-spacing: 0.04em; }

.field input, .field select, .field textarea {
  font-family: var(--font);
  font-size: 15px;
  padding: 13px 16px;
  border: 1.5px solid var(--ink);
  border-radius: var(--radius-s);
  background: var(--paper);
  color: var(--ink);
  transition: box-shadow 0.25s var(--ease), background 0.25s;
  width: 100%;
}

.field textarea { resize: vertical; min-height: 110px; }

.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  background: #FDFCF7;
  box-shadow: 3px 3px 0 var(--lime);
}

.form-note { font-size: 12.5px; color: var(--ink-soft); margin-top: 14px; }

/* ---------------- 动效 ---------------- */

.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }

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

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
}

/* ---------------- 响应式 ---------------- */

@media (max-width: 1020px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-art { max-width: 480px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .adv { grid-template-columns: repeat(2, 1fr); }
  .adv-item { border-bottom: 1px solid var(--line) !important; }
  .adv-item:nth-child(2n) { border-right: none; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .cta-band { grid-template-columns: 1fr; }
  .svc-block { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .scene-row { grid-template-columns: 56px 1fr auto; }
  .scene-row p { grid-column: 2 / 3; }
}

@media (max-width: 680px) {
  .nav-links {
    position: fixed;
    inset: 0;
    background: var(--paper);
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    transform: translateY(-100%);
    transition: transform 0.45s var(--ease);
    z-index: 9;
  }
  .nav-links.open { transform: none; }
  .nav-links a { font-size: 22px; }
  .nav-toggle { display: block; }
  .nav-cta { display: none; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; gap: 24px; }
  .adv { grid-template-columns: 1fr; }
  .adv-item { border-right: none !important; }
  .footer-main { grid-template-columns: 1fr; gap: 28px; }
  .form-row { grid-template-columns: 1fr; }
  .scene-row { grid-template-columns: 1fr; }
  .scene-row p { grid-column: auto; }
  .scene-row .go { display: none; }
}