:root {
  --bg-color: #fcfcf9;
  --text-dark: #121212;
  --text-muted: #666666;
  --green-primary: #3b4e1a;
  --green-hover: #2b3913;
  --green-light: #e6edd8;
  --border-color: #e5e5e5;
  --font-serif: "Crimson Text", Times, Georgia, serif;
  --font-sans: "DM Sans", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-dark);
  font-family: var(--font-sans);
  line-height: 1.6;
  padding: 20px 40px 20px 40px;
  max-width: 1400px;
  margin: 0 auto;
}

img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  display: block;
}

h1,
h2,
h3,
blockquote {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.02em;
}

h1 {
    font-size: 5.5 rem;
    line-height: 1.05;
    text-align: center;
    margin: 40px 0;
}

h2 {
    font-size: 3.2rem;
    line-height: 1.15;
}

.btn-primary {
    background-color: var(--green-primary);
    color: #ffffff;
    padding: 8px 16px;
    border-radius: 30px;
    text-decoration: none;
    display: inline-block;
}

.btn-primary:hover {
    background-color: var(--green-hover);
}

.btn-secondary {
    background-color: var(--green-light);
    color: var(--text-dark);
    padding: 14px 22px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    display: inline-block;
}

.section-tag {
    font-size: 0.8 rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 12px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30 px 20px;
    padding-top: 20px;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.8 rem;
    font-weight: bold;
}

header nav ul {
    display: flex;
    list-style: none;
    gap: 32px;
}

header nav a {
    font-size: 0.9 rem;
    color: var(--text-dark);
    font-weight: 500;
}

.hero {
    margin-bottom: 100px;
}

.hero-image {
    margin-bottom: 60px;
}

.trusted-by {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.trusted-by p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.trusted-by .logos {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    opacity: 0.6;
    filter: grayscale(100%);
}

.trusted-by .logos img {
    width: auto;
    max-height: 24px;
}

#benefits {
    margin-bottom: 120px;
}

#benefits .subtitle {
    color: var(--text-muted);
    margin-top: 8px;
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    font-family: var(--font-sans);
    font-weight: 600;
}

.feature-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.big-picture {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 120px;
}

.big-picture h2 {
    margin-bottom: 20px;
}

.big-picture p {
    color: var(--text-muted);
    margin-bottom: 30px;
}

.feature-list {
    list-style: none;
    counter-reset: step-counter;
    border-top: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.feature-list li {
    counter-increment: step-counter;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-muted);
}

.feature-list li::before{
    content: counter(step-counter, decimal-leading-zero) " ";
    font-weight: bold;
    color: var(--text-dark);
    margin-right: 16px;
}

.feature-list li strong{
    color: var(--text-dark);
}

#specs {
    text-align: center;
    margin-bottom: 120px;
}

#specs h2{
    margin-bottom: 16px;
}

#specs .subtitle {
    max-width: 600px;
    margin: 0 auto 24px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

#specs .btn-secondary {
    margin-bottom: 60px;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.comparison-table th, .comparison-table td {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.comparison-table th {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 400;
    width: 33.33%;
}

.comparison-table td {
    color: var(--text-muted);
}

.comparison-table tr td:first-child {
    color: var(--text-dark);
    font-weight: 500;
}

.comparison-table td td:first-child, .comparison-table th:first-child {
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
}

.testimonial {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 120px;
}

.testimonial blockquote {
    font-size: 2rem;
    line-height: 1.3;
    margin-bottom: 30px;
}

.testimonial .author strong {
    display: block;
    font-size: 0.9rem;
}

.testimonial .author span {
    font-size: 0.8 rem;
    color: var(--text-muted);
}

.steps-section {
    margin-bottom: 120px;
}

.steps-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 60px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.step-number {
    font-family: var(--font-serif);
    font-size: 4rem;
    color: var(--text-muted);
    opacity: 0.4;
    display: block;
    line-height: 1;
    margin-bottom: 20px;
}

.step-card h3{
    font-size: 1rem;
    font-family: var(--font-sans);
    margin-top: 8px;
}

.step-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.cta-section {
    text-align: center;
    padding: 80px;
    border-top: 1px solid var(--border-color);
}

.cta-section h2 {
    margin-bottom: 16px;
}

.cta-section p {
    color: var(--text-muted);
    max-width: 500px;
    margin: 0 auto 30px;
    font-size: 0.9rem;
}

footer{
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
}

.footer-links {
    display: flex;
    gap: 24px;
    margin-bottom: 40px;
    font-size: 0.85rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
}

@media (max-width: 900px) {
    body {
        padding: 0 20px;
    }

    h1 {
        font-size: 3.5rem;
    }

    h2{
        font-size: 2.2rem;
    }
    .features-grid, .steps-grid{
        grid-template-columns: repeat(2,1fr);
    }

    .big-picture, .testimonial {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px){
    h1{
        font-size: 2.5rem;
    }

    header nav {
        display: none;
    }

    .features-grid, .steps-grid {
        grid-template-columns: 1fr;
    }

    .trusted-by .logos {
        flex-wrap: wrap;
        gap: 16px;
        justify-content: center;
    }
}