/* 智搭科技（zdkj.ltd）主题样式 */

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #eff4ff;
  --ink: #0f172a;
  --ink-2: #334155;
  --ink-3: #64748b;
  --line: #e2e8f0;
  --bg-soft: #f6f9ff;
  --footer-bg: #0b1526;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(15, 23, 42, .08);
  --shadow-hover: 0 16px 40px rgba(37, 99, 235, .16);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  line-height: 1.6;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

.container {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all .25s ease;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  color: #fff;
  box-shadow: 0 8px 20px rgba(37, 99, 235, .3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(37, 99, 235, .4);
}

.btn-ghost {
  background: #fff;
  color: var(--primary);
  border: 1.5px solid #c7d7fe;
}

.btn-ghost:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.section {
  padding: 96px 0;
}

.section-kicker {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--primary);
  background: var(--primary-light);
  border-radius: 999px;
  padding: 6px 18px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: .5px;
}

.section-desc {
  margin-top: 14px;
  font-size: 16px;
  color: var(--ink-3);
  max-width: 640px;
}

.section-head {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 56px;
}

/* ---------- header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s;
}

.site-header.scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 4px 20px rgba(15, 23, 42, .06);
}

.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--ink);
}

.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, #2563eb, #06b6d4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  flex-shrink: 0;
}

.nav {
  display: flex;
  gap: 34px;
  font-size: 15.5px;
  font-weight: 500;
  color: var(--ink-2);
}

.nav a {
  position: relative;
  padding: 6px 0;
  transition: color .2s;
}

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

.nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: all .25s;
  transform: translateX(-50%);
}

.nav a:hover::after {
  width: 100%;
}

.header-cta {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-cta .btn {
  padding: 10px 24px;
  font-size: 15px;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
  border-radius: 2px;
  transition: all .3s;
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: 168px 0 110px;
  overflow: hidden;
  background:
    radial-gradient(900px 480px at 85% -10%, rgba(6, 182, 212, .14), transparent 60%),
    radial-gradient(1000px 560px at 8% 0%, rgba(37, 99, 235, .12), transparent 60%),
    linear-gradient(180deg, #f4f8ff 0%, #ffffff 100%);
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(37, 99, 235, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, .05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(720px 460px at 50% 0%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(720px 460px at 50% 0%, #000 30%, transparent 100%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 64px;
}

.hero-copy {
  flex: 1.15;
  min-width: 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-dark);
  background: #fff;
  border: 1px solid #dbe7ff;
  border-radius: 999px;
  padding: 7px 16px;
  box-shadow: 0 4px 14px rgba(37, 99, 235, .08);
  margin-bottom: 26px;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, .18);
}

.hero h1 {
  font-size: 52px;
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: 1px;
}

.hero h1 .grad {
  background: linear-gradient(120deg, #2563eb 20%, #06b6d4 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  margin-top: 22px;
  font-size: 17.5px;
  color: var(--ink-3);
  max-width: 540px;
}

.hero-actions {
  margin-top: 38px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-points {
  margin-top: 44px;
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.hero-point {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
  color: var(--ink-2);
  font-weight: 500;
}

.hero-point svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
  flex-shrink: 0;
}

/* hero mockup */
.hero-visual {
  flex: 1;
  display: flex;
  justify-content: center;
  position: relative;
  min-width: 0;
}

.phone {
  width: 300px;
  background: #fff;
  border-radius: 36px;
  border: 1px solid #e6edf9;
  box-shadow: 0 30px 70px rgba(15, 23, 42, .16);
  padding: 14px;
  position: relative;
  z-index: 2;
}

.phone-screen {
  background: linear-gradient(180deg, #f2f7ff, #fbfdff);
  border-radius: 26px;
  overflow: hidden;
  border: 1px solid #eef3fb;
}

.phone-status {
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-status i {
  width: 84px;
  height: 8px;
  border-radius: 8px;
  background: #e2e8f0;
}

.phone-hero {
  margin: 10px 14px;
  border-radius: 16px;
  background: linear-gradient(135deg, #2563eb, #38bdf8);
  color: #fff;
  padding: 18px 16px;
}

.phone-hero b {
  font-size: 16px;
  display: block;
}

.phone-hero span {
  font-size: 12px;
  opacity: .85;
  display: block;
  margin-top: 4px;
}

.phone-hero .phone-btn {
  display: inline-block;
  margin-top: 12px;
  background: rgba(255, 255, 255, .92);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
  padding: 6px 14px;
}

.phone-row {
  display: flex;
  gap: 10px;
  margin: 12px 14px;
}

.phone-cell {
  flex: 1;
  background: #fff;
  border: 1px solid #eef3fb;
  border-radius: 14px;
  padding: 12px 10px;
  text-align: center;
}

.phone-cell .ic {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  margin: 0 auto 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.phone-cell .ic.c1 { background: #3b82f6; }
.phone-cell .ic.c2 { background: #06b6d4; }
.phone-cell .ic.c3 { background: #8b5cf6; }

.phone-cell em {
  font-style: normal;
  font-size: 12px;
  color: var(--ink-2);
  font-weight: 600;
}

.phone-list {
  margin: 0 14px 16px;
  background: #fff;
  border: 1px solid #eef3fb;
  border-radius: 14px;
  padding: 4px 12px;
}

.phone-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid #f1f5fb;
}

.phone-item:last-child {
  border-bottom: none;
}

.phone-item .avatar {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  flex-shrink: 0;
}

.phone-item .a1 { background: linear-gradient(135deg, #93c5fd, #3b82f6); }
.phone-item .a2 { background: linear-gradient(135deg, #a5f3fc, #06b6d4); }
.phone-item .a3 { background: linear-gradient(135deg, #ddd6fe, #8b5cf6); }

.phone-item .lines {
  flex: 1;
}

.phone-item .l1 {
  height: 8px;
  width: 70%;
  border-radius: 6px;
  background: #dbe4f0;
  margin-bottom: 6px;
}

.phone-item .l2 {
  height: 7px;
  width: 45%;
  border-radius: 6px;
  background: #ecf1f8;
}

.phone-item .tag {
  font-size: 10px;
  font-weight: 700;
  color: #16a34a;
  background: #eafcf1;
  border-radius: 6px;
  padding: 2px 8px;
}

.phone-item .tag.pending {
  color: #d97706;
  background: #fef6e7;
}

/* ---------- stats ---------- */
.stats {
  position: relative;
  margin-top: -6px;
}

.stats-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 34px 12px;
}

.stat {
  text-align: center;
  padding: 0 12px;
  border-right: 1px solid var(--line);
}

.stat:last-child {
  border-right: none;
}

.stat b {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 1px;
}

.stat b small {
  font-size: 18px;
  font-weight: 700;
  margin-left: 2px;
}

.stat p {
  margin-top: 6px;
  font-size: 14.5px;
  color: var(--ink-3);
}

/* ---------- why ---------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.why-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 30px;
  transition: all .3s ease;
}

.why-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: #c7d7fe;
}

.why-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin-bottom: 22px;
}

.why-icon svg {
  width: 26px;
  height: 26px;
}

.why-icon.i1 { background: linear-gradient(135deg, #2563eb, #60a5fa); }
.why-icon.i2 { background: linear-gradient(135deg, #06b6d4, #22d3ee); }
.why-icon.i3 { background: linear-gradient(135deg, #8b5cf6, #a78bfa); }

.why-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
}

.why-card li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  color: var(--ink-3);
  margin-bottom: 10px;
}

.why-card li b {
  color: var(--ink-2);
  font-weight: 600;
}

.why-card li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary);
  opacity: .55;
}

/* ---------- solutions ---------- */
.solutions {
  background: var(--bg-soft);
}

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

.solution-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
  transition: all .3s ease;
  display: flex;
  flex-direction: column;
}

.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: #c7d7fe;
}

.solution-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.solution-ic {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.solution-ic svg {
  width: 24px;
  height: 24px;
}

.solution-card h3 {
  font-size: 19px;
  font-weight: 700;
}

.solution-card p {
  font-size: 14.5px;
  color: var(--ink-3);
  flex: 1;
}

.solution-tags {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.solution-tags span {
  font-size: 12.5px;
  color: var(--primary-dark);
  background: var(--primary-light);
  border-radius: 6px;
  padding: 4px 10px;
  font-weight: 500;
}

/* ---------- products ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.product-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px 22px;
  transition: all .25s ease;
}

.product-item:hover {
  border-color: var(--primary);
  box-shadow: 0 10px 26px rgba(37, 99, 235, .12);
  transform: translateY(-3px);
}

.product-ic {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
}

.product-ic svg {
  width: 22px;
  height: 22px;
}

.product-item b {
  font-size: 16px;
  display: block;
}

.product-item span {
  font-size: 13px;
  color: var(--ink-3);
}

/* ---------- process ---------- */
.process {
  background:
    radial-gradient(700px 380px at 90% 10%, rgba(6, 182, 212, .1), transparent 60%),
    radial-gradient(700px 380px at 10% 90%, rgba(37, 99, 235, .1), transparent 60%),
    var(--bg-soft);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  counter-reset: step;
}

.step {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 22px;
  position: relative;
  transition: all .3s ease;
}

.step:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-size: 15px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, #2563eb, #06b6d4);
  border-radius: 10px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.step h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.step p {
  font-size: 13.5px;
  color: var(--ink-3);
}

/* ---------- faq ---------- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .25s;
}

.faq-item.open {
  border-color: #c7d7fe;
  box-shadow: 0 8px 24px rgba(37, 99, 235, .08);
}

.faq-q {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 16.5px;
  font-weight: 600;
  color: var(--ink);
  font-family: inherit;
  text-align: left;
}

.faq-q .chev {
  width: 22px;
  height: 22px;
  color: var(--ink-3);
  flex-shrink: 0;
  transition: transform .3s;
}

.faq-item.open .faq-q .chev {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}

.faq-a p {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--ink-3);
}

/* ---------- cta ---------- */
.cta {
  padding: 0 0 96px;
}

.cta-card {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  background: linear-gradient(120deg, #1d4ed8 0%, #2563eb 45%, #0891b2 100%);
  color: #fff;
  text-align: center;
  padding: 76px 32px;
}

.cta-card::before,
.cta-card::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, .1);
}

.cta-card::before {
  width: 340px;
  height: 340px;
  top: -160px;
  left: -100px;
}

.cta-card::after {
  width: 420px;
  height: 420px;
  bottom: -240px;
  right: -140px;
}

.cta-card h2 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: 1px;
  position: relative;
  z-index: 1;
}

.cta-card p {
  margin-top: 14px;
  font-size: 16px;
  opacity: .9;
  position: relative;
  z-index: 1;
}

.cta-card .btn {
  margin-top: 34px;
  background: #fff;
  color: var(--primary-dark);
  position: relative;
  z-index: 1;
  box-shadow: 0 10px 26px rgba(2, 12, 40, .25);
}

.cta-card .btn:hover {
  transform: translateY(-2px);
}

/* ---------- footer ---------- */
.site-footer {
  background: var(--footer-bg);
  color: #94a3b8;
  padding: 72px 0 36px;
  font-size: 14.5px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(148, 163, 184, .18);
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 18px;
}

.footer-brand p {
  max-width: 300px;
  line-height: 1.8;
}

.footer-col h4 {
  color: #e2e8f0;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-col li {
  margin-bottom: 12px;
}

.footer-col a {
  transition: color .2s;
}

.footer-col a:hover {
  color: #fff;
}

.footer-qr-row {
  display: flex;
  gap: 24px;
}

.footer-qr {
  text-align: center;
}

.footer-qr .qr-box {
  width: 96px;
  height: 96px;
  padding: 8px;
  border-radius: 4px;
  background: #fff;
  border: none;
  outline: none;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
  font-size: 12px;
  margin: 4px auto 12px;
}

.footer-qr .qr-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 28px;
  font-size: 13.5px;
  color: #64748b;
}

.footer-bottom a {
  color: #64748b;
  transition: color .2s;
}

.footer-bottom a:hover {
  color: #cbd5e1;
}

.footer-links a {
  margin-left: 20px;
}

/* ---------- contact modal ---------- */
.zd-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(15, 23, 42, .55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.zd-modal-overlay.show {
  display: flex;
}

.zd-modal {
  background: #fff;
  border-radius: 20px;
  width: min(560px, 100%);
  box-shadow: 0 30px 80px rgba(15, 23, 42, .3);
  overflow: hidden;
  animation: zd-modal-in .25s ease;
}

@keyframes zd-modal-in {
  from {
    opacity: 0;
    transform: translateY(16px) scale(.98);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.zd-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px 0;
}

.zd-modal-head h2 {
  font-size: 20px;
  font-weight: 700;
}

.zd-modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--ink-3);
  padding: 6px;
  border-radius: 8px;
  display: flex;
  transition: all .2s;
}

.zd-modal-close:hover {
  color: var(--ink);
  background: #f1f5f9;
}

.zd-modal-close svg {
  width: 20px;
  height: 20px;
}

.zd-modal-body {
  padding: 14px 28px 24px;
}

.zd-modal-body > p {
  font-size: 14.5px;
  color: var(--ink-3);
  margin-bottom: 18px;
}

.zd-modal-grid {
  display: flex;
  gap: 22px;
  align-items: center;
}

.zd-modal-qr {
  width: 150px;
  height: 150px;
  padding: 10px;
  margin: 4px;
  border-radius: 4px;
  border: none;
  outline: none;
  background: #fff;
  object-fit: contain;
  flex-shrink: 0;
}

.zd-modal-scope h3 {
  font-size: 15.5px;
  font-weight: 700;
  margin-bottom: 10px;
}

.zd-modal-scope li {
  position: relative;
  padding-left: 24px;
  font-size: 14px;
  color: var(--ink-2);
  margin-bottom: 8px;
}

.zd-modal-scope li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--primary-light) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232563eb' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center / 9px no-repeat;
}

.zd-modal-foot {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 0 28px 26px;
}

.zd-modal-foot .btn {
  padding: 11px 22px;
  font-size: 15px;
}

@media (max-width: 560px) {
  .zd-modal-grid {
    flex-direction: column;
    text-align: center;
  }

  .zd-modal-scope li {
    text-align: left;
  }

  .zd-modal-foot {
    flex-direction: column-reverse;
  }
}

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 42px;
  }

  .why-grid,
  .solution-grid,
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .stats-card {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 28px;
  }

  .stat:nth-child(2) {
    border-right: none;
  }

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

@media (max-width: 820px) {
  .nav,
  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .site-header.menu-open .nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 16px 24px 24px;
    gap: 4px;
    box-shadow: 0 20px 40px rgba(15, 23, 42, .1);
  }

  .site-header.menu-open .nav a {
    padding: 12px 0;
    border-bottom: 1px solid #f1f5f9;
  }

  .hero {
    padding: 130px 0 80px;
  }

  .hero-inner {
    flex-direction: column;
    gap: 56px;
  }

  .hero h1 {
    font-size: 34px;
  }

  .section {
    padding: 68px 0;
  }

  .section-title {
    font-size: 27px;
  }

  .why-grid,
  .solution-grid,
  .product-grid {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-links a {
    margin-left: 0;
    margin-right: 20px;
  }
}