:root {
  --orange: #f7941d;
  --red: #e8402e;
  --pink: #e7358a;
  --teal: #21b7b9;
  --dark: #373737;
  --text: #4b4b4b;
  --muted: #777;
  --line: #e8e8e8;
  --bg: #ffffff;
  --soft: #faf7f3;
  --footer: #262626;
  --radius: 28px;
  --shadow: 0 18px 55px rgba(0,0,0,.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

a {
  color: inherit;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo img {
  width: 136px;
  height: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.main-nav a {
  text-decoration: none;
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 15px;
  color: var(--dark);
  transition: .2s ease;
}

.main-nav a:hover,
.main-nav a.active {
  background: linear-gradient(135deg, var(--orange), var(--red));
  color: #fff;
}

.menu-toggle {
  display: none;
  border: 0;
  background: var(--dark);
  color: #fff;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  font-size: 22px;
}

.hero,
.product-hero,
.contact-hero {
  position: relative;
  overflow: hidden;
  padding: 86px 0;
}

.hero-grid,
.product-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 54px;
  position: relative;
  z-index: 2;
}

.eyebrow {
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
}

h1,
h2,
h3 {
  color: var(--dark);
  line-height: 1.15;
  margin: 0 0 18px;
}

h1 {
  font-size: clamp(38px, 6vw, 72px);
  letter-spacing: -.04em;
}

h2 {
  font-size: clamp(30px, 4vw, 48px);
  letter-spacing: -.03em;
}

h3 {
  font-size: 22px;
}

.lead {
  font-size: clamp(18px, 2vw, 23px);
  color: #666;
  max-width: 760px;
  margin: 0 0 28px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: .2s ease;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--orange), var(--red));
  box-shadow: 0 14px 30px rgba(232,64,46,.22);
}

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

.btn-secondary {
  color: var(--dark);
  background: #fff;
  border: 1px solid var(--line);
}

.hero-card,
.product-image-card,
.chart-card,
.qr-box {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}

.hero-card img,
.product-image-card img {
  border-radius: 22px;
}

.decor {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  opacity: .95;
}

.decor-one {
  width: 340px;
  height: 240px;
  top: -80px;
  right: -110px;
  background: radial-gradient(circle at 35% 55%, #ffbf26 0 25%, transparent 26%), linear-gradient(135deg, var(--orange), var(--red));
  transform: rotate(-18deg);
}

.decor-two {
  width: 300px;
  height: 220px;
  bottom: -90px;
  left: -120px;
  background: linear-gradient(135deg, #ffbf26, var(--red));
  transform: rotate(18deg);
}

.section {
  padding: 82px 0;
}

.section-soft {
  background: var(--soft);
}

.section-head {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-head p {
  font-size: 18px;
  color: #666;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.product-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 35px rgba(0,0,0,.05);
  overflow: hidden;
  transition: .2s ease;
}

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

.product-card a {
  display: block;
  padding: 18px;
  text-decoration: none;
}

.product-card img {
  aspect-ratio: 1 / .78;
  width: 100%;
  object-fit: cover;
  border-radius: 22px;
  margin-bottom: 18px;
  background: #f4f4f4;
}

.product-card p {
  margin: 0;
  color: #666;
}

.badge {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(247,148,29,.12);
  color: var(--orange);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 12px;
}

.two-col,
.content-grid,
.contact-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
  align-items: start;
}

.feature-list {
  display: grid;
  gap: 16px;
}

.feature-item,
.side-card,
.advantage-card,
.info-panel,
.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 8px 28px rgba(0,0,0,.04);
}

.feature-item strong,
.feature-item span {
  display: block;
}

.feature-item strong {
  color: var(--dark);
  font-size: 20px;
  margin-bottom: 6px;
}

.spec-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.spec-row div {
  border: 1px dashed #d7d7d7;
  border-radius: 20px;
  padding: 18px;
  background: rgba(255,255,255,.72);
}

.spec-row span {
  display: block;
  color: var(--orange);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 700;
  margin-bottom: 6px;
}

.spec-row strong {
  color: var(--dark);
}

.product-hero {
  background: linear-gradient(135deg, #fff, #fff7ec);
}

.pink-hero {
  background: linear-gradient(135deg, #fff, #fff1f7);
}

.teal-hero {
  background: linear-gradient(135deg, #fff, #ecfbfb);
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .45em;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--orange), var(--red));
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.chart-card img {
  width: 100%;
  border-radius: 18px;
  background: #f3f3f3;
}

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

.info-panel img {
  border-radius: 22px;
  margin-bottom: 22px;
  background: #f5f5f5;
}

.cta {
  padding: 72px 0;
  color: #fff;
  background: linear-gradient(135deg, var(--orange), var(--red));
}

.cta h2,
.cta p {
  color: #fff;
}

.cta-inner {
  text-align: center;
}

.cta .btn-primary {
  background: #fff;
  color: var(--red);
  box-shadow: none;
}

.contact-hero {
  background: linear-gradient(135deg, #fff, #fff7ec);
  text-align: center;
}

.contact-hero .lead {
  margin-left: auto;
  margin-right: auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.contact-card span {
  display: block;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: .1em;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 10px;
}

.contact-card a {
  font-size: 22px;
  color: var(--dark);
  text-decoration: none;
  font-weight: 700;
}

.qr-box {
  max-width: 260px;
  justify-self: end;
}

.site-footer {
  background: var(--footer);
  color: #ddd;
  padding: 48px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 34px;
}

.footer-logo {
  width: 130px;
  margin-bottom: 14px;
}

.site-footer strong {
  display: block;
  color: #fff;
  margin-bottom: 12px;
}

.site-footer a {
  display: block;
  color: #ddd;
  text-decoration: none;
  margin-bottom: 8px;
}

.site-footer a:hover {
  color: var(--orange);
}

@media (max-width: 980px) {
  .product-grid,
  .advantage-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-grid,
  .product-hero-grid,
  .two-col,
  .content-grid,
  .contact-block {
    grid-template-columns: 1fr;
  }

  .qr-box {
    justify-self: start;
  }

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

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

@media (max-width: 760px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .main-nav {
    position: absolute;
    top: 76px;
    left: 14px;
    right: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: var(--shadow);
    padding: 12px;
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: 13px 14px;
  }

  .hero,
  .product-hero,
  .contact-hero {
    padding: 56px 0;
  }

  .section {
    padding: 56px 0;
  }

  .product-grid,
  .advantage-grid,
  .split-products,
  .spec-row {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .contact-card a {
    font-size: 19px;
  }
}