:root {
  --primary-color: #2C7FB2;
  --secondary-color: #1A5A83;
  --accent-color: #5BA8D0;
  --light-color: #E8F4FA;
  --dark-color: #0E2C3D;
  --gradient-primary: linear-gradient(130deg, #3590C4 0%, #1A5A83 100%);
  --hover-color: #246A97;
  --background-color: #F5FAFD;
  --text-color: #253545;
  --border-color: rgba(44, 127, 178, 0.18);
  --shadow-color: rgba(14, 44, 61, 0.1);
  --highlight-color: #F4D03F;
  --main-font: 'Roboto Condensed', sans-serif;
  --alt-font: 'Lato', sans-serif;
}

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

body {
  font-family: var(--alt-font);
  color: var(--text-color);
  background-color: var(--background-color);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
}

.pattern-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.038;
  background-image:
    repeating-linear-gradient(60deg, transparent, transparent 40px, var(--primary-color) 40px, var(--primary-color) 41px),
    repeating-linear-gradient(-60deg, transparent, transparent 40px, var(--accent-color) 40px, var(--accent-color) 41px);
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border-width: 0;
}

header {
  background: var(--gradient-primary);
  padding: 1.2rem 0;
  box-shadow: 0 2px 6px var(--shadow-color);
  position: relative;
  overflow: hidden;
}

header::before {
  content: '';
  position: absolute;
  right: 4%;
  top: 50%;
  transform: translateY(-50%);
  width: 200px;
  height: 3px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.12), transparent);
  pointer-events: none;
}

header::after {
  content: '';
  position: absolute;
  right: 10%;
  top: 15%;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255,255,255,0.08);
  transform: rotate(45deg);
  pointer-events: none;
}

@media (max-width: 768px) { header::before, header::after { display: none; } }

header .container {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: #ffffff;
  font-family: var(--main-font);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: 1px;
  transition: opacity 0.3s;
}

.logo:hover { opacity: 0.88; }
.logo-icon { font-size: 1.5rem; }

main {
  flex: 1;
  display: flex;
  align-items: center;
  padding: 1.8rem 0;
}

main .container {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

.product-section {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2rem;
  align-items: start;
}

.product-left {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.product-image {
  width: 100%;
  display: flex;
  justify-content: center;
  background: #fff;
  border-radius: 10px;
  padding: 0.6rem;
  box-shadow: 0 3px 14px var(--shadow-color);
}

.product-image img {
  width: 56%;
  height: auto;
  display: block;
}

.guarantee-block {
  background: var(--light-color);
  padding: 0.85rem 1rem;
  border-radius: 8px;
  box-shadow: 0 2px 7px var(--shadow-color);
  border-bottom: 3px solid var(--primary-color);
}

.guarantee-block h3 {
  font-family: var(--main-font);
  font-size: 0.9rem;
  color: var(--primary-color);
  margin-bottom: 0.35rem;
  font-weight: 700;
}

.guarantee-block p {
  font-size: 0.8rem;
  color: var(--text-color);
  line-height: 1.55;
}

/* Feature items: numbered steps */
.features-icons {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  counter-reset: feat;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: #fff;
  padding: 0.6rem 0.85rem;
  border-radius: 6px;
  box-shadow: 0 1px 5px var(--shadow-color);
  counter-increment: feat;
  transition: transform 0.25s;
}

.feature-item:hover { transform: translateX(3px); }

.feature-icon-wrap {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  color: #fff;
}

.feature-item span {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-color);
  line-height: 1.3;
}

.cart-button {
  display: block;
  background: var(--gradient-primary);
  color: #ffffff;
  text-decoration: none;
  padding: 0.72rem 1.5rem;
  border-radius: 5px;
  font-family: var(--main-font);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  text-align: center;
  box-shadow: 0 3px 8px var(--shadow-color);
  transition: all 0.3s;
}

.cart-button:hover {
  background: linear-gradient(130deg, var(--hover-color) 0%, var(--secondary-color) 100%);
  transform: translateY(-2px);
  box-shadow: 0 5px 12px var(--shadow-color);
}

.product-right h1 {
  font-family: var(--main-font);
  font-size: 2.1rem;
  color: var(--primary-color);
  margin-bottom: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.8px;
}

.price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary-color);
  margin-bottom: 0.8rem;
  font-family: var(--main-font);
}

.product-description { margin-bottom: 0.8rem; }

.product-description p {
  margin-bottom: 0.65rem;
  font-size: 0.84rem;
  color: var(--text-color);
  line-height: 1.65;
}

.highlight-text {
  background: var(--highlight-color);
  color: var(--dark-color);
  padding: 0.72rem 1rem;
  border-radius: 5px;
  font-weight: 700;
  font-size: 0.88rem;
  text-align: center;
  margin-bottom: 0.8rem;
  box-shadow: 0 2px 7px rgba(244,208,63,0.35);
}

.features-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.32rem;
}

.features-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  padding: 0.32rem 0.5rem;
  border-left: 2px solid var(--accent-color);
  font-size: 0.82rem;
  background: rgba(44,127,178,0.04);
  border-radius: 0 4px 4px 0;
  transition: background 0.25s;
}

.features-list li:hover { background: rgba(44,127,178,0.09); }

.feature-check {
  color: var(--primary-color);
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Benefits: 2-col cards with gradient header strip */
.benefits-banner {
  background: var(--gradient-primary);
  padding: 1.8rem 0;
  margin-top: 1rem;
}

.benefits-content {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.benefits-banner h2 {
  font-family: var(--main-font);
  font-size: 1.65rem;
  color: #ffffff;
  text-align: center;
  margin-bottom: 1.2rem;
  font-weight: 700;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
}

.benefit-card {
  background: rgba(255,255,255,0.95);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 3px 10px rgba(0,0,0,0.1);
  transition: transform 0.3s;
}

.benefit-card:hover { transform: translateY(-3px); }

.benefit-card-inner {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.9rem 1rem;
}

.benefit-icon {
  font-size: 1.9rem;
  flex-shrink: 0;
}

.benefit-card h3 {
  font-family: var(--main-font);
  font-size: 0.9rem;
  color: var(--primary-color);
  margin-bottom: 0.2rem;
  font-weight: 700;
}

.benefit-card p {
  color: var(--text-color);
  font-size: 0.77rem;
  line-height: 1.5;
}

/* Testimonials */
.testimonials {
  background-color: var(--light-color);
  padding: 2rem 0;
}

.testimonials h2 {
  font-family: var(--main-font);
  font-size: 1.65rem;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 1.2rem;
  max-width: 980px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 1.5rem;
}

.testimonials-grid {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.testimonial {
  background: #fff;
  padding: 1rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px var(--shadow-color);
  border-bottom: 3px solid var(--primary-color);
  transition: transform 0.25s;
}

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

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.7rem;
}

.testimonial-icon { font-size: 1.8rem; }

.testimonial-name {
  font-weight: 700;
  font-size: 0.87rem;
  color: var(--primary-color);
  font-family: var(--main-font);
}

.testimonial-location {
  font-size: 0.72rem;
  color: #888;
}

.testimonial p {
  color: var(--text-color);
  font-size: 0.8rem;
  line-height: 1.6;
  font-style: italic;
}

footer {
  background-color: var(--dark-color);
  color: rgba(255,255,255,0.78);
  padding: 1.4rem 0 0.85rem;
  margin-top: auto;
}

.footer-content {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
}

footer .logo { color: #ffffff; }

.footer-nav {
  display: flex;
  list-style: none;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-nav a {
  color: rgba(255,255,255,0.72);
  text-decoration: none;
  font-size: 0.78rem;
  transition: color 0.3s;
}

.footer-nav a:hover { color: #ffffff; }

.footer-credit {
  max-width: 980px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem 0;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.72rem;
  color: rgba(255,255,255,0.45);
}

.footer-credit a { color: var(--highlight-color); text-decoration: none; }
.footer-credit a:hover { color: #fff; }

@media (max-width: 968px) {
  .product-section { grid-template-columns: 1fr; gap: 1.3rem; }
  .benefits-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-content { flex-direction: column; gap: 1rem; text-align: center; }
  .footer-nav { flex-direction: column; gap: 0.5rem; align-items: center; }
}

@media (max-width: 640px) {
  .product-right h1 { font-size: 1.7rem; }
  .price { font-size: 1.3rem; }
  .benefits-banner h2, .testimonials h2 { font-size: 1.4rem; }
}