:root {
    --color-bg: #f2fbfd;
    --color-surface: #ffffff;
    --color-border: #c9e9ef;
    --color-primary: #10434e;
    --color-muted: #467680;
    --color-accent: #35c4de;
    --color-accent-hover: #2aa6be;
    --color-pill-bg: #e2f5f8;
    --color-pill-border: #c6e7ee;
    --color-pill-hover: #d7eff4;
    --color-pill-border-hover: #b8dde4;
    --page-width: 820px;
    --layout-padding-y: 56px;
    --layout-padding-x: 24px;
}

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

html,
body {
    height: 100%;
}

body {
    font-family: 'Calibri', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    font-size: 18px;
    line-height: 1.6;
    color: var(--color-primary);
    background-color: var(--color-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: var(--layout-padding-y) var(--layout-padding-x);
}

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

img {
    display: block;
}

.page {
    width: 100%;
    max-width: var(--page-width);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: calc(100vh - (2 * var(--layout-padding-y)));
    box-shadow: 0 18px 48px rgba(15, 23, 42, 0.06);
}


.hero {
    background-color: var(--color-accent);
    color: #f9fafb;
    padding: 52px 36px;
    text-align: center;
    margin-bottom: 36px;
}

.hero h1 {
    font-size: clamp(2.3rem, 3.5vw, 3.1rem);
    line-height: 1.2;
    font-weight: 300;
    letter-spacing: 0.02em;
}

.hero h2 {
    font-size: clamp(1.2rem, 2.1vw, 1.6rem);
    font-weight: 300;
    color: rgba(249, 250, 251, 0.85);
    margin-top: 12px;
}

section:not(.hero) {
    padding: 0;
    border: none;
    background: transparent;
}

.main {
    display: grid;
    gap: 44px;
    padding: 48px 44px;
    background: linear-gradient(180deg, rgba(210, 241, 246, 0.95) 0%, rgba(190, 231, 237, 0.9) 100%);
    border-radius: 18px;
    margin: 0 44px 44px;
    flex: 1;
    text-align: center;
}

.intro-card {
    display: grid;
    gap: 14px;
    color: var(--color-muted);
    font-size: 1.08rem;
}

.intro-card p:first-child {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.01em;
}

.cta-card {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 26px;
    padding: 6px 0;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 11px 26px;
    border-radius: 999px;
    background: var(--color-pill-bg);
    border: 1px solid var(--color-pill-border);
    color: var(--color-accent-hover);
    font-size: 1rem;
    font-weight: 600;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.cta-button img {
    width: 18px;
    height: 18px;
}

.cta-button:hover,
.cta-button:focus {
    background: var(--color-pill-hover);
    border-color: var(--color-pill-border-hover);
    color: var(--color-accent);
}

.details-list {
    display: grid;
    gap: 18px;
    justify-items: center;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.detail-item dt {
    font-size: 0.82rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-muted);
}

.detail-item dd {
    font-size: 1.08rem;
    font-weight: 600;
    color: var(--color-primary);
}

footer {
    text-align: center;
    padding: 18px;
    font-size: 0.92rem;
    color: var(--color-muted);
    background-color: #e6f6f9;
    border-top: 1px solid rgba(16, 67, 78, 0.08);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

@media (max-width: 840px) {
    :root {
        --layout-padding-y: 44px;
        --layout-padding-x: 18px;
    }

    body {
        font-size: 17.5px;
        display: block;
        min-height: auto;
        padding: 40px 22px 44px;
    }

    .page {
        max-width: 720px;
        margin: 0 auto;
        min-height: auto;
    }

    .main {
        border-radius: 18px;
        background: linear-gradient(180deg, rgba(210, 241, 246, 0.95) 0%, rgba(190, 231, 237, 0.9) 100%);
        margin: 0 28px 30px;
        padding: 36px 28px;
        gap: 32px;
    }
}

@media (max-width: 640px) {
    :root {
        --layout-padding-y: 32px;
        --layout-padding-x: 14px;
    }

    body {
        font-size: 17px;
        display: block;
        min-height: auto;
        padding: 16px 12px 20px;
    }

    .page {
        max-width: 100%;
        margin: 0 auto;
        border-radius: 18px;
        overflow: hidden;
        min-height: auto;
    }

    .hero {
        padding: 22px 16px;
        margin-bottom: 12px;
    }

    .hero h1 {
        font-size: clamp(1.9rem, 6.6vw, 2.4rem);
    }

    .hero h2 {
        font-size: clamp(1rem, 4vw, 1.3rem);
    }

    .main {
        margin: 0 8px 10px;
        padding: 20px 16px;
        gap: 16px;
    }

    .intro-card {
        font-size: 0.96rem;
        gap: 10px;
    }

    .intro-card p:first-child {
        font-size: 1.05rem;
    }

    .cta-button {
        width: 100%;
        justify-content: center;
        padding: 9px 18px;
    }

    footer {
        padding: 12px;
        font-size: 0.84rem;
    }
}