:root {
    --color-dark: #525860;         
    --color-pale-gray: #dad5d9;    
    --color-soft-blue: #b9c5d5;    
    --color-sky-blue: #6aa2c7;     
    --color-sage: #457b6f;         
    
    --bg-white: #ffffff;
    --text-primary: #1f2428;
    --text-muted: #4e555d;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-white);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.45;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1050px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 60px 0;
    border-bottom: 12px solid var(--bg-white);
}

.section-title {
    font-size: clamp(1.4rem, 4vw, 2.1rem);
    font-weight: 300;
    margin-bottom: 28px;
    letter-spacing: -0.02em;
}

.tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 24px;
    background-color: var(--bg-white);
    border-bottom: 12px solid var(--bg-white);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: -0.02em;
}

.nav a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 20px;
    font-size: 0.9rem;
}

.hero {
    background-color: var(--color-pale-gray);
    padding: 60px 0;
}

.hero-title {
    font-size: clamp(1.8rem, 5vw, 3.2rem);
    font-weight: 300;
    line-height: 1.2;
    letter-spacing: -0.03em;
    max-width: 850px;
    margin-bottom: 16px;
}

.hero-description {
    font-size: 1rem;
    font-weight: 300;
    color: var(--text-primary);
    max-width: 600px;
    margin-bottom: 28px;
    line-height: 1.45;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 22px;
    font-size: 0.9rem;
    font-weight: 400;
    text-decoration: none;
    border-radius: 6px;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--text-primary);
    color: #ffffff;
    border: 1px solid var(--text-primary);
}

.btn-secondary {
    border: 1px solid var(--text-primary);
    color: var(--text-primary);
    background-color: transparent;
}

#services {
    background-color: var(--color-soft-blue);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.service-card {
    background-color: var(--bg-white);
    padding: 24px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}

.service-card h3 {
    font-size: 1.15rem;
    font-weight: 400;
    margin-bottom: 8px;
}

.service-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    font-weight: 300;
    line-height: 1.4;
}

#about {
    background-color: var(--color-dark);
    color: #ffffff;
}

#about .tag {
    color: var(--color-soft-blue);
    font-size: 0.75rem;
}

.about-title {
    font-size: clamp(1.3rem, 3.5vw, 1.8rem);
    font-weight: 300;
    line-height: 1.3;
    margin-bottom: 16px;
    color: #ffffff;
}

.about-text {
    font-size: 0.92rem;
    font-weight: 300;
    color: #f0f4f8;
    margin-bottom: 12px;
    line-height: 1.45;
}

#portfolio {
    background-color: var(--color-sky-blue);
    color: #ffffff;
}

#portfolio .section-title {
    color: #ffffff;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.portfolio-card {
    background-color: var(--bg-white);
    color: var(--text-primary);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.portfolio-image-placeholder {
    height: 150px;
    background-color: var(--color-soft-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 0.85rem;
}

.portfolio-meta {
    padding: 18px;
}

.portfolio-tag {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-sage);
    font-weight: 600;
    display: block;
    margin-bottom: 4px;
}

.portfolio-meta h3 {
    font-size: 1.05rem;
    font-weight: 400;
    margin-bottom: 6px;
}

.portfolio-meta p {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 300;
    line-height: 1.4;
}

#process {
    background-color: var(--color-pale-gray);
}

.process-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 700px;
}

.process-row {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.process-row h4 {
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--text-primary);
}

.process-row p {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 300;
    line-height: 1.45;
}

.process-arrow {
    color: var(--color-sage);
    font-size: 1.1rem;
    font-weight: 600;
    margin: 4px 0;
}

#contact {
    background-color: var(--color-sage);
    color: #ffffff;
}

#contact .section-title,
#contact .contact-text,
#contact label {
    color: #ffffff;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.contact-text {
    font-size: 0.92rem;
    font-weight: 300;
    margin-bottom: 20px;
    line-height: 1.45;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contact-link {
    color: #ffffff;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 400;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.form-group label {
    font-size: 0.78rem;
}

.form-group input,
.form-group textarea {
    padding: 10px 12px;
    border: 1px solid transparent;
    background-color: var(--bg-white);
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.88rem;
    outline: none;
}

.form-btn {
    align-self: flex-start;
    background-color: var(--text-primary);
    color: #ffffff;
    border: none;
}

.footer {
    padding: 24px 0;
    font-size: 0.78rem;
    color: var(--text-muted);
    background-color: var(--bg-white);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.cookie-notice {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 8px;
}

.cookie-notice a {
    color: var(--text-primary);
    text-decoration: underline;
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    .section {
        padding: 40px 0;
        border-bottom: 8px solid var(--bg-white);
    }
    .hero {
        padding: 40px 0;
    }
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .services-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}