@import url("https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;700&family=DM+Mono:wght@300;400&display=swap");

:root {
    --bg: #343434;
    --text-default: #c0c0c0;
    --block-1-hover: #84a701; /* цвет текста при наведении на блок */
    --block-2-hover: #84a701; /* цвет текста при наведении на блок */
    --block-3-hover: #84a701; /* цвет текста при наведении на блок */
    --label-size: clamp(0.75rem, 1vw, 0.9rem);
    --title-size: clamp(2rem, 5vw, 4.5rem);
    --transition-speed: 0.5s;
}

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

html,
body {
    height: 100%;
    width: 100%;
    overflow: hidden;
}

body {
    background: var(--bg);
    font-family: "DM Mono", monospace;
    color: var(--text-default);
}

.blocks {
    display: flex;
    width: 100%;
    height: 100%;
}

.block {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    cursor: pointer;
    transition:
        background-color var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1),
        flex var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
    border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.block:last-child {
    border-right: none;
}

/* Subtle vertical divider line that fades on hover */
.block::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 1px;
    height: 100%;
    background: rgba(255, 255, 255, 0.06);
    transition: opacity var(--transition-speed) ease;
}

/* Background noise texture */
.block::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
    opacity: 0;
    transition: opacity var(--transition-speed) ease;
    pointer-events: none;
}

.block:hover::after {
    opacity: 1;
}

/* Per-block accent colors */
.block--1:hover {
    background-color: #1a2b3d; /* заливка блока при наведении */
}
.block--2:hover {
    background-color: #1a2b3d; /* заливка блока при наведении */
}
.block--3:hover {
    background-color: #1a2b3d; /* заливка блока при наведении */
}

.blocks:has(.block--1:hover) .block--1,
.blocks:has(.block--2:hover) .block--2,
.blocks:has(.block--3:hover) .block--3 {
    /*flex: 1.15; */
}

/* Link resets */
.block a {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.2rem;
    padding: 2rem;
    width: 100%;
    height: 100%;
    justify-content: center;
}

/* Number label */
.block__num {
    font-family: "DM Mono", monospace;
    font-size: var(--label-size);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    opacity: 0.35;
    transition:
        opacity var(--transition-speed) ease,
        color var(--transition-speed) ease;
}

/* Main title */
.block__title {
    font-family: "Playfair Display", serif;
    font-size: var(--title-size);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.02em;
    text-align: center;
    transition:
        color var(--transition-speed) ease,
        transform var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(4px);
}

/* Subtitle / cta */
.block__sub {
    font-family: "DM Mono", monospace;
    font-size: var(--label-size);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    opacity: 0;
    transform: translateY(8px);
    transition:
        opacity var(--transition-speed) ease,
        transform var(--transition-speed) ease,
        color var(--transition-speed) ease;
    display: flex;
    align-items: center;
    gap: 0.5em;
}

.block__sub::after {
    content: "💚";
    display: inline-block;
    transition: transform 0.3s ease;
}

/* Hover states */
.block:hover .block__num {
    opacity: 0.6;
}

.block:hover .block__title {
    transform: translateY(0);
}

.block:hover .block__sub {
    opacity: 1;
    transform: translateY(0);
}

.block:hover .block__sub::after {
    transform: translateX(4px);
}

/* Accent tints per block on hover */
.block--1:hover .block__title,
.block--1:hover .block__sub,
.block--1:hover .block__num {
    color: var(--block-1-hover);
}

.block--2:hover .block__title,
.block--2:hover .block__sub,
.block--2:hover .block__num {
    color: var(--block-2-hover);
}

.block--3:hover .block__title,
.block--3:hover .block__sub,
.block--3:hover .block__num {
    color: var(--block-3-hover);
}

/* Thin horizontal line accent that appears on hover */
.block__line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 3px;
    transition: width var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
}

.block--1 .block__line {
    background: var(--block-1-hover);
}
.block--2 .block__line {
    background: var(--block-2-hover);
}
.block--3 .block__line {
    background: var(--block-3-hover);
}

.block:hover .block__line {
    width: 100%;
}

/* Page-load entrance animation */
@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.block--1 {
    animation: fadeSlideUp 0.7s cubic-bezier(0.4, 0, 0.2, 1) 0.1s both;
}
.block--2 {
    animation: fadeSlideUp 0.7s cubic-bezier(0.4, 0, 0.2, 1) 0.25s both;
}
.block--3 {
    animation: fadeSlideUp 0.7s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
}