:root {
  --color-primary: #1e4a4f;
  --color-primary-light: #2a6b72;
  --color-accent: #d48c70;
  --color-bg: #f8f7f4;
  --color-white: #ffffff;
  --color-text: #2c3e50;
  --color-text-light: #5d7a8c;
  --color-border: rgba(30, 74, 79, 0.12);
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
  --shadow-sm: 0 4px 12px rgba(0,0,0,0.05);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
  --radius: 12px;
  --radius-lg: 20px;
  --container-width: 1200px;
  --section-spacing: clamp(3rem, 6vw, 4.5rem);
}

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

html {
  scroll-behavior: smooth;
}

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

main {
  flex: 1;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius);
  object-fit: cover;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 1.5rem;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.btn {
  display: inline-block;
  padding: 0.9rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  text-align: center;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  background: none;
  font-size: 1rem;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  box-shadow: 0 6px 14px rgba(30, 74, 79, 0.25);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(30, 74, 79, 0.3);
}

.btn--large {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1.5rem;
  flex-wrap: wrap;
}

.logo a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo img {
  width: 50px;
  height: 50px;
  border-radius: 8px;
}

.logo span {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 1.5rem;
}

.nav__list {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav__list a {
  font-weight: 500;
  transition: color 0.2s;
}

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

.header__notice {
  font-size: 0.8rem;
  color: var(--color-text-light);
  max-width: 200px;
  text-align: right;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--color-primary);
  cursor: pointer;
}

.mobile-menu {
  background: var(--color-white);
  padding: 1rem;
  border-top: 1px solid var(--color-border);
}

.mobile-menu__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.hero {
  padding: var(--section-spacing) 0;
  background: linear-gradient(145deg, #ffffff 0%, #f0f4f3 100%);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero__overline {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
}

.hero__title {
  margin-bottom: 1rem;
}

.hero__subtitle {
  font-size: 1.2rem;
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
}

.hero__features {
  list-style: none;
  margin-bottom: 2rem;
}

.hero__features li {
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero__features i {
  color: var(--color-primary);
}

.hero__guarantee {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.hero__image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.problem {
  padding: var(--section-spacing) 0;
  text-align: center;
  background: var(--color-white);
}

.problem__content {
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.2rem;
}

.about {
  padding: var(--section-spacing) 0;
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.check-list {
  list-style: none;
  margin-top: 1.5rem;
}

.check-list li {
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.check-list i {
  color: var(--color-primary);
}

.how-it-works {
  padding: var(--section-spacing) 0;
  background: var(--color-white);
}

.how-it-works__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.how-it-works__card {
  text-align: center;
  padding: 1.5rem;
  background: var(--color-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.card-icon {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.how-it-works__image img {
  width: 100%;
  border-radius: var(--radius);
}

.benefits {
  padding: var(--section-spacing) 0;
}

.benefits__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.benefit-item {
  text-align: center;
  padding: 1.5rem;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.benefit-item i {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.product-showcase {
  padding: var(--section-spacing) 0;
  background: var(--color-white);
}

.product-showcase__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.product-showcase__image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.testimonials {
  padding: var(--section-spacing) 0;
  background: linear-gradient(135deg, #eef3f2 0%, #ffffff 100%);
}

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

.testimonial {
  background: var(--color-white);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.stars {
  color: #f1c40f;
  font-size: 1.2rem;
  letter-spacing: 2px;
  margin-bottom: 1rem;
}

.testimonial__text {
  font-style: italic;
  margin-bottom: 1rem;
}

.testimonial__author {
  font-weight: 600;
  color: var(--color-primary);
}

.offer-faq {
  padding: var(--section-spacing) 0;
}

.offer-faq__container {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
}

.offer-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  text-align: center;
}

.offer__badge {
  display: inline-block;
  background: var(--color-accent);
  color: white;
  padding: 0.3rem 1.2rem;
  border-radius: 50px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.offer__price {
  margin: 1.5rem 0;
}

.old-price {
  text-decoration: line-through;
  color: var(--color-text-light);
  font-size: 1.5rem;
  margin-right: 0.75rem;
}

.new-price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
}

.offer__includes {
  margin-bottom: 2rem;
  color: var(--color-text-light);
}

.order-form {
  display: grid;
  gap: 1.25rem;
  text-align: left;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-weight: 500;
  font-size: 0.9rem;
}
.thanks-main {
  word-break: break-word;
}
.form-group input,
.form-group select {
  padding: 0.9rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: var(--font-body);
  width: 100%;
}

.form-group input:focus,
.form-group select:focus {
  outline: 2px solid var(--color-primary-light);
  border-color: transparent;
}

.form-group--checkbox {
  flex-direction: row;
  align-items: center;
  gap: 0.75rem;
}

.form-group--checkbox input {
  width: 18px;
  height: 18px;
}

.offer__trust {
  margin-top: 1.5rem;
  color: var(--color-text-light);
  font-size: 0.9rem;
}

.faq-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

.faq-card h3 {
  text-align: center;
  margin-bottom: 1.5rem;
}

.faq__list {
  display: grid;
  gap: 0.8rem;
}

.faq-item {
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
}

.faq-item summary {
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: var(--color-primary);
  transition: transform 0.2s;
}

.faq-item[open] summary::after {
  transform: rotate(180deg);
}

.faq-item p {
  margin-top: 0.8rem;
  color: var(--color-text-light);
}

.footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.9);
  padding: 2.5rem 0 1.5rem;
  margin-top: auto;
}

.footer a {
  color: white;
}

.footer__container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.footer__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
}

.footer__logo a {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-heading);
}

.footer__logo img {
  width: 50px;
  height: 50px;
  background: white;
  border-radius: 8px;
}

.footer__contact {
  font-size: 0.95rem;
  line-height: 1.8;
}

.footer__legal {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.95rem;
}

.footer__legal a:hover {
  text-decoration: underline;
}

.footer__disclaimer {
  font-size: 0.85rem;
  border-top: 1px solid rgba(255,255,255,0.2);
  padding-top: 1.5rem;
  color: rgba(255,255,255,0.7);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}

.footer__back-to-top a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  transition: background 0.2s;
}

.footer__back-to-top a:hover {
  background: rgba(255,255,255,0.3);
}

.legal-content {
  max-width: 800px;
  margin: 3rem auto;
  padding: 2rem 1.5rem;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.legal-content h1 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  color: var(--color-primary);
}

.legal-content h2 {
  font-size: 1.8rem;
  margin: 1.5rem 0 1rem;
}

.legal-content h3 {
  font-size: 1.4rem;
  margin: 1.2rem 0 0.8rem;
}

.legal-content p {
  margin-bottom: 1rem;
  line-height: 1.7;
}

.legal-content ul, .legal-content ol {
  margin: 1rem 0 1rem 1.5rem;
}

.thanks-page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.thanks-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1rem;
  background: linear-gradient(145deg, #f0f4f3 0%, #ffffff 100%);
}

.thanks-container {
  width: 100%;
  max-width: 600px;
}

.thanks-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  box-shadow: var(--shadow-md);
  text-align: center;
}

.thanks-logo {
  margin: 0 auto 2rem;
  width: 80px;
  height: 80px;
  border-radius: 16px;
}

.thanks-card h1 {
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

.thanks-message p {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.thanks-message span {
  font-weight: 600;
  color: var(--color-primary);
}

@media (max-width: 992px) {
  .hero__grid,
  .about__grid,
  .product-showcase__grid {
    grid-template-columns: 1fr;
  }
  .hero__image {
    order: -1;
  }
  .benefits__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .how-it-works__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .testimonials__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .offer-faq__container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .header__container {
    padding: 0.5rem 1rem;
  }
  .nav {
    display: none;
  }
  .header__notice {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .mobile-menu[hidden] {
    display: none;
  }
  .mobile-menu:not([hidden]) {
    display: block;
  }
  .benefits__grid,
  .how-it-works__grid,
  .testimonials__grid {
    grid-template-columns: 1fr;
  }
  .offer-card {
    padding: 2rem 1.5rem;
  }
  .footer__top {
    flex-direction: column;
    align-items: flex-start;
  }
}