:root {
    --bg: #f0f0f0;
    --fg: #1a1a1a;
    --brand-green: rgba(54, 144, 133, 1);
    --header-h: 64px;
    --header-bg: rgba(240, 240, 240, 0.92);
    --header-border: rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

p { margin: 0; }

body {
    margin: 0;
    background-color: var(--bg);
    color: var(--fg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.5;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-h);
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--header-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--header-border);
    opacity: 0;
    pointer-events: none;
    transition: opacity 120ms linear;
    z-index: 10;
}

.site-header.is-visible {
    pointer-events: auto;
}

.site-header__logo {
    display: flex;
    align-items: center;
    height: 100%;
}

.site-header__logo img {
    height: 40px;
    width: auto;
    display: block;
}

.site-header__nav {
    display: flex;
    gap: 28px;
}

.site-header__nav a {
    color: var(--fg);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.01em;
    padding: 6px 2px;
    border-bottom: 1px solid transparent;
    transition: border-color 120ms ease;
}

.site-header__nav a:hover {
    border-bottom-color: var(--fg);
}

.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 24px;
}

.hero__contact__link {
    display: block;
    max-width: 50%;
    line-height: 0;
}

.hero__logo {
    width: 100%;
    height: auto;
    will-change: opacity, transform;
}

.section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 24px;
}

.section__inner {
    max-width: 720px;
    width: 100%;
}

.section h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin: 0 0 16px;
    letter-spacing: -0.01em;
}

.about__section {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.about__services-hdr,
.amelia-card__work-scope {
    font-weight: 600;
    font-size: 1.15rem;
    margin: 0 0 8px;
}

.about__services-list,
.amelia-card__work-scope-list {
    margin: 0;
}

.about__services-list { font-size: 0.9rem; }

.contact-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.25);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 24px;
}

.contact-card__details {
    display: flex;
    align-items: center;
    gap: 30px;
    max-width: 600px;
    font-family: Arial, sans-serif;
}

.contact-card__image {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.contact-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.contact-card__name {
    font-size: 16px;
    font-weight: 700;
    line-height: 28px;
    padding-bottom: 6px;
}

.contact-card__title {
    font-style: italic;
    padding-bottom: 4px;
}

.contact-card__title,
.contact-card__company {
    font-size: 12px;
    line-height: 20px;
}

.contact-card__list {
    list-style: none;
    margin: 0;
    padding: 0 0 0 30px;
    border-left: 1px solid var(--brand-green);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-card__list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
}

.contact-card__icon {
    width: 16px;
    height: 16px;
    color: var(--brand-green);
    flex-shrink: 0;
}

.contact-card__list a {
    color: inherit;
    text-decoration: none;
}

.contact-card__list a:hover {
    text-decoration: underline;
}

.amelia-card {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.amelia-card__title {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.amelia-card__title a {
    color: var(--fg);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 500;
}

.amelia-card__title a:hover {
    text-decoration: underline;
}

.amelia-card__logo {
    display: block;
    height: 60px;
    width: auto;
}

.amelia-card__video-link {
    display: inline-block;
    margin: 18px 0;
    font-weight: 500;
    font-size: 1rem;
    color: var(--brand-green);
    text-decoration: none;
}

.amelia-card__video-link:hover {
    text-decoration: underline;
}


@media (max-width: 600px) {
    .site-header { padding: 0 16px; }
    .site-header__nav { gap: 18px; }
    .site-header__nav a { font-size: 14px; }
    .hero__contact__link { max-width: 80%; }

    .contact-card {
        align-items: center;
    }

    .contact-card__details {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    .contact-card__list {
        padding: 20px 0 0;
        border-left: none;
        border-top: 1px solid var(--brand-green);
    }
}