:root {
  --primary-color: #3D7A72;
  --secondary-color: #2E6460;
  --accent-color: #1E3A38;
  --light-color: #EAF4F3;
  --dark-color: #152B29;
  --gradient-primary: linear-gradient(135deg, #3D7A72 0%, #5A9F77 100%);
  --hover-color: #326862;
  --background-color: #F4FAF9;
  --text-color: #253530;
  --border-color: rgba(61, 122, 114, 0.15);
  --divider-color: rgba(61, 122, 114, 0.08);
  --shadow-color: rgba(21, 43, 41, 0.08);
  --highlight-color: #F2D57F;
  --main-font: 'Montserrat', sans-serif;
  --alt-font: 'Roboto', sans-serif;
}

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

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

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

/* Pattern BG: diagonal dashes */
.pattern-bg {
  background-image:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 14px,
      rgba(61,122,114,0.04) 14px,
      rgba(61,122,114,0.04) 15px
    ),
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 14px,
      rgba(90,159,119,0.03) 14px,
      rgba(90,159,119,0.03) 15px
    );
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: -1;
}

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

.header-deco {
  position: absolute;
  top: 50%;
  right: 5%;
  transform: translateY(-50%);
  display: none;
}

.header-deco span {
  display: block;
  width: 50px;
  height: 50px;
  border-radius: 4px;
  border: 1px solid rgba(255,255,255,0.07);
  transform: rotate(30deg);
  position: relative;
}

.header-deco span::before {
  content: '';
  position: absolute;
  width: 30px;
  height: 30px;
  border-radius: 3px;
  border: 1px solid rgba(242,213,127,0.15);
  transform: rotate(15deg);
  top: 8px; left: 8px;
}

@media (min-width: 768px) {
  .header-deco { display: block; }
}

.container {
  max-width: 980px;
  margin: 0 auto;
  width: 100%;
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .container { padding: 0 1.5rem; }
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: white;
  font-family: var(--main-font);
  font-size: 1.45rem;
  font-weight: 700;
  text-decoration: none;
  width: fit-content;
  letter-spacing: 1.5px;
}

.logo-icon {
  width: 34px;
  height: 34px;
  background: var(--highlight-color);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transform: rotate(-5deg);
}

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

.product-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
  align-items: flex-start;
}

@media (min-width: 768px) {
  .product-section { grid-template-columns: 40% 60%; }
}

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

.product-image-container {
  display: flex;
  justify-content: center;
  border-radius: 10px;
  background: white;
  border: 1px solid var(--border-color);
  box-shadow: 0 3px 10px var(--shadow-color);
  overflow: hidden;
}

.product-image-container picture {
  display: flex;
  justify-content: center;
  width: 100%;
}

.product-image {
  width: 100%;
  padding: 18px;
  height: auto;
  transition: transform 0.3s ease;
}

.product-image:hover { transform: scale(1.02); }

.guarantee-block {
  background: white;
  border-radius: 8px;
  padding: 0.9rem 1rem;
  box-shadow: 0 2px 7px var(--shadow-color);
  border: 1px solid var(--border-color);
  border-top: 3px solid var(--primary-color);
}

.guarantee-block h3 {
  font-family: var(--main-font);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.guarantee-block p {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-color);
}

/* Features icons: 2x2 grid cards */
.features-icons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.4rem;
  padding: 0.75rem 0.8rem;
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 5px var(--shadow-color);
  border-bottom: 2px solid var(--primary-color);
  transition: all 0.3s ease;
}

.feature-item:hover {
  transform: translateY(-2px);
  border-bottom-color: var(--secondary-color);
}

.feature-icon {
  width: 34px;
  height: 34px;
  background: var(--light-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  border: 1px solid var(--border-color);
}

.feature-item span {
  font-size: 0.7rem;
  font-weight: 600;
  font-family: var(--main-font);
  color: var(--text-color);
  line-height: 1.3;
}

.cart-button {
  background: var(--gradient-primary);
  color: white;
  padding: 0.85rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: block;
  text-align: center;
  box-shadow: 0 3px 8px var(--shadow-color);
  font-family: var(--main-font);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.cart-button:hover { opacity: 0.88; transform: translateY(-1px); }

.product-right h1 {
  font-family: var(--main-font);
  font-size: 1.75rem;
  color: var(--accent-color);
  margin-bottom: 0.6rem;
  font-weight: 700;
  line-height: 1.22;
}

.price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin: 0.6rem 0;
  font-family: var(--main-font);
}

.product-description {
  font-size: 0.86rem;
  margin-bottom: 1rem;
  line-height: 1.75;
  color: var(--text-color);
}

.product-description p + p { margin-top: 0.6rem; }

.highlight-text {
  background: var(--highlight-color);
  color: var(--dark-color);
  padding: 0.85rem 1.1rem;
  border-radius: 8px;
  font-weight: 700;
  margin: 1rem 0;
  text-align: center;
  font-size: 0.88rem;
  font-family: var(--main-font);
  box-shadow: 0 2px 6px var(--shadow-color);
}

.features-list {
  list-style: none;
  margin: 0.9rem 0;
}

.features-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
  padding: 0.65rem 0.85rem;
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 5px var(--shadow-color);
  border-right: 2px solid var(--primary-color);
  font-size: 0.83rem;
  transition: all 0.3s ease;
}

.features-list li:hover {
  border-right-color: var(--secondary-color);
}

.feature-check {
  width: 17px;
  height: 17px;
  background: var(--primary-color);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.6rem;
  font-weight: bold;
  flex-shrink: 0;
  margin-top: 1px;
}

/* BENEFITS: 3-column with icon above text */
.benefits-band {
  background: var(--accent-color);
  color: white;
  padding: 2rem 1.5rem;
}

.benefits-band-inner {
  max-width: 980px;
  margin: 0 auto;
}

.benefits-band h2 {
  font-family: var(--main-font);
  font-size: 1.4rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1.4rem;
  letter-spacing: 0.5px;
}

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 600px) {
  .benefits-grid { grid-template-columns: 1fr 1fr 1fr; }
}

.benefit-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  padding: 1.1rem 0.9rem;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.benefit-number {
  font-family: var(--main-font);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--highlight-color);
  line-height: 1;
}

.benefit-card h3 {
  font-family: var(--main-font);
  font-size: 0.86rem;
  font-weight: 700;
  color: white;
  letter-spacing: 0.3px;
}

.benefit-card p {
  font-size: 0.79rem;
  line-height: 1.6;
  color: rgba(255,255,255,0.78);
}

/* TESTIMONIALS */
.testimonials {
  background: var(--dark-color);
  color: white;
  padding: 2rem 1.5rem;
}

.testimonials h2 {
  font-family: var(--main-font);
  text-align: center;
  margin-bottom: 1.5rem;
  font-size: 1.4rem;
  font-weight: 700;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  max-width: 980px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .testimonials-grid { grid-template-columns: 1fr 1fr; }
}

.testimonial {
  background: rgba(255,255,255,0.05);
  padding: 1.1rem;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.09);
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
}

.testimonial-icon {
  width: 38px;
  height: 38px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.testimonial-name {
  font-weight: 700;
  font-size: 0.88rem;
  font-family: var(--main-font);
}

.testimonial p {
  font-size: 0.82rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.82);
}

footer {
  background: var(--dark-color);
  color: white;
  padding: 1.4rem 1.5rem 0.9rem;
  border-top: 1px solid rgba(255,255,255,0.07);
}

.footer-content {
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  align-items: center;
  padding-bottom: 0.9rem;
}

@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer-nav {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

@media (min-width: 768px) {
  .footer-nav { justify-content: flex-end; }
}

.footer-nav a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 0.78rem;
  transition: color 0.3s;
}

.footer-nav a:hover { color: white; }

.footer-credit {
  text-align: center;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.4);
  font-size: 0.73rem;
  max-width: 980px;
  margin: 0 auto;
}

.footer-credit a { color: rgba(255,255,255,0.6); text-decoration: none; }