:root {
/* Colors */
    --color-primary:      #22313F;
    --color-background:   #FFFFFF;
    --color-surface:      #FFFFFF;
    --color-surface-alt:  #F4F5F7;
    --color-border:       #E5E7E8;

    --color-text:         #1F2937;
    --color-text-muted:   #6B7280;

    --color-link:         #22313F;
    --color-link-hover:   #1A2733;

    --color-white:        #FFFFFF;
    --color-white-muted: rgba(255, 255, 255, 0.85);

/* Typography */
    --font-family-base: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

/* Font sizes */
    --font-size-xs: 13px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 32px;
    --font-size-4xl: 40px;

/* Font weights */
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Line heights */
    --line-height-tight: 1.2;
    --line-height-heading: 1.3;
    --line-height-base: 1.6;
    --line-height-relaxed: 1.8;

/* Spaces */
    --space-0: 2px;
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;
    --space-7: 40px;
    --space-8: 48px;
    --space-9: 64px;
    --space-10: 80px;
    --space-11: 96px;

/* Border radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-round: 9999px;

/* Shadows */
    --shadow-sm:
        0 1px 2px rgba(0, 0, 0, 0.05),
        0 4px 8px rgba(0, 0, 0, 0.04);

    --shadow-md:
        0 6px 20px rgba(0, 0, 0, 0.06),
        0 2px 6px rgba(0, 0, 0, 0.05);

    --shadow-lg:
        0 20px 40px rgba(0, 0, 0, 0.08),
        0 8px 16px rgba(0, 0, 0, 0.06);

/* Z-index */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 1000; 

/* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
    --transition-slow: 0.4s ease;

/* Layout */
    --container-width: 1260px;    
    --content-width: 900px;
}



/* =========================================================
   Warranty page
   ========================================================= */

.warranty-page {
    width: 100%;
}


/* ---------------------------------------------------------
   Warranty card
   --------------------------------------------------------- */

.warranty-card {
    margin-bottom: var(--space-6);
    padding: 0;

    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);

    overflow: hidden;
}


/* ---------------------------------------------------------
   Brand header
   --------------------------------------------------------- */

.warranty-card__header {
    display: flex;
    align-items: center;
    gap: var(--space-5);

    min-height: 100px;
    padding: var(--space-5) var(--space-6);

    background: var(--color-surface-alt);
    border-bottom: 1px solid var(--color-border);
}

.warranty-card__logo {
    display: block;

    object-fit: contain;
    object-position: left center;
}

.warranty-card__brand {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);

    color: var(--color-primary);
}


/* ---------------------------------------------------------
   Sections
   --------------------------------------------------------- */

.warranty-card__section {
    padding: var(--space-5);
}

.warranty-card__section + .warranty-card__section {
    border-top: 1px solid var(--color-border);
}

.warranty-card__section--guarantee {
    background: var(--color-background);
}

h2.warranty-card__title {
    margin: 0 0 var(--space-2);

    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-heading);

    color: var(--color-primary);
}


/* ---------------------------------------------------------
   Definition lists
   --------------------------------------------------------- */

.warranty-card__guarantee,
.warranty-card__details,
.warranty-card__service {
    margin: 0;
}


/* ---------------------------------------------------------
   dt / dd row
   --------------------------------------------------------- */

.warranty-card__row {
    display: grid;
    grid-template-columns: minmax(260px, 32%) minmax(0, 1fr);
    column-gap: var(--space-6);
    align-items: start;

    padding: var(--space-3) 0;
}

.warranty-card__row + .warranty-card__row {
    border-top: 1px solid var(--color-border);
}


/* ---------------------------------------------------------
   dt / dd
   --------------------------------------------------------- */

.warranty-card__row dt {
    margin: 0;

    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-base);

    color: var(--color-primary);
}

.warranty-card__row dd {
    margin: 0;

    line-height: var(--line-height-base);

    color: var(--color-text);
}


/* ---------------------------------------------------------
   Guarantee value
   --------------------------------------------------------- */

.warranty-card__guarantee-value {
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.warranty-card__guarantee-note {
    display: inline;

    margin-left: var(--space-1);

    font-weight: var(--font-weight-regular);
    color: var(--color-text-muted);
}


/* ---------------------------------------------------------
   Links
   --------------------------------------------------------- */

.warranty-card__row a {
    color: var(--color-link);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;

    transition: color var(--transition-fast);
}

.warranty-card__row a:hover {
    color: var(--color-link-hover);
    text-decoration-thickness: 2px;
}


/* ---------------------------------------------------------
   Notes
   --------------------------------------------------------- */

.warranty-card__note {
    margin: var(--space-3) 0 0;

    font-size: var(--font-size-sm);
    line-height: var(--line-height-base);

    color: var(--color-text-muted);
}


/* ---------------------------------------------------------
   Laptop / tablet
   --------------------------------------------------------- */

@media (max-width: 1023px) {

    .warranty-card__section {
        padding: var(--space-5);
    }

    .warranty-card__row {
        grid-template-columns: minmax(220px, 35%) minmax(0, 1fr);
        column-gap: var(--space-5);
    }
}


/* ---------------------------------------------------------
   Mobile
   --------------------------------------------------------- */

@media (max-width: 767px) {

    .warranty-card {
        margin-bottom: var(--space-5);
        border-radius: var(--radius-md);
    }

    .warranty-card__header {
        gap: var(--space-4);

        min-height: 80px;
        padding: var(--space-4) var(--space-5);
    }

    .warranty-card__logo {
        width: 110px;
        height: 48px;
    }

    .warranty-card__brand {
        font-size: var(--font-size-xl);
    }

    .warranty-card__section {
        padding: var(--space-5);
    }

    h2.warranty-card__title {
        margin-bottom: var(--space-2);

        font-size: var(--font-size-lg);
    }

    /*
     * На мобильном dt и dd располагаются
     * последовательно друг за другом.
     */
    .warranty-card__row {
        display: block;
        padding: var(--space-3) 0;
    }

    .warranty-card__row dt {
        margin-bottom: var(--space-1);
    }

    .warranty-card__row dd {
        line-height: var(--line-height-base);
    }

    .warranty-card__guarantee-note {
        display: block;
        margin: var(--space-1) 0 0;
    }
}