@import url("https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;500;600;700&family=Source+Serif+4:opsz,wght@8..60,400;8..60,500&display=swap");

:root {
    --bg: #d7dade;
    --surface: #eef1f4;
    --ink: #666c73;
    --muted: #4f565e;
    --accent: #1e84c2;
    --accent-2: #8f959b;
    --line: #bac1c9;
    --topbar-height: 72px;
}

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

body {
    font-family: "Source Serif 4", Georgia, serif;
    color: var(--ink);
    background:
        radial-gradient(circle at 92% 18%, rgba(30, 132, 194, 0.18), transparent 26%),
        radial-gradient(circle at 7% 88%, rgba(102, 108, 115, 0.14), transparent 30%),
        linear-gradient(180deg, #e3e6ea 0%, var(--bg) 100%);
    min-height: 100vh;
    line-height: 1.5;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: var(--topbar-height);
    padding: 0.38rem 0.85rem;
    background: rgba(236, 240, 244, 0.9);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(8px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    color: var(--ink);
}

.brand-logo {
    width: 176px;
    height: 62px;
    display: block;
    object-fit: contain;
    transform: translateY(2px) scale(1.32);
    transform-origin: left center;
}

.brand-name {
    font-family: "Barlow Condensed", "Segoe UI", sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--accent);
}

.menu-toggle {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 8px;
    background: var(--accent);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    transition: transform 0.24s ease, background-color 0.24s ease;
}

.menu-toggle:active {
    transform: scale(0.96);
}

.menu-toggle span {
    width: 20px;
    height: 2px;
    border-radius: 100px;
    background: #fff;
    transition: transform 0.28s ease, opacity 0.22s ease;
}

.menu-toggle.open {
    background: var(--ink);
}

.menu-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle.open span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
    position: fixed;
    top: var(--topbar-height);
    left: 0;
    right: 0;
    z-index: 9;
    display: grid;
    grid-template-rows: 0fr;
    background: rgba(236, 240, 244, 0.96);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(8px);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.22s ease, grid-template-rows 0.32s ease;
}

.mobile-menu.open {
    grid-template-rows: 1fr;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.mobile-menu .menu-link {
    display: flex;
    align-items: center;
    gap: 0.52rem;
    overflow: hidden;
    text-decoration: none;
    color: var(--ink);
    font-family: "Barlow Condensed", "Segoe UI", sans-serif;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0 1rem;
    max-height: 0;
    transition: max-height 0.32s ease, padding 0.25s ease, color 0.2s ease;
}

.mobile-menu.open .menu-link {
    max-height: 60px;
    padding: 0.82rem 1rem;
}

.menu-icon {
    display: inline-flex;
    width: 18px;
    height: 18px;
    color: currentColor;
    flex: 0 0 auto;
}

.menu-icon svg {
    width: 100%;
    height: 100%;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.menu-text {
    line-height: 1;
}

.menu-link:hover,
.menu-link:focus-visible,
.menu-link.is-active {
    color: var(--accent);
}

.menu-link.is-active {
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 4px;
}

main {
    padding: 1rem;
}

.hero {
    margin-top: 0.8rem;
    padding: 1.1rem;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(246, 248, 250, 0.96), rgba(233, 237, 241, 0.92));
    box-shadow: 0 16px 32px rgba(58, 69, 78, 0.1);
}

.eyebrow {
    font-family: "Barlow Condensed", "Segoe UI", sans-serif;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent-2);
    margin-bottom: 0.45rem;
}

h1 {
    font-family: "Barlow Condensed", "Segoe UI", sans-serif;
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    line-height: 1.03;
    margin-bottom: 0.6rem;
    color: var(--accent);
}

.hero-text {
    color: var(--muted);
    font-size: 1rem;
}

.card-section {
    margin-top: 1rem;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(238, 241, 244, 0.92);
}

h2 {
    font-family: "Barlow Condensed", "Segoe UI", sans-serif;
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.3rem;
}

:is(.animated-grid, .home-grid, .category-grid, .docs-grid) {
    --grid-motion-local-start: var(--grid-motion-start, 0.12s);
    --grid-motion-local-stagger: var(--grid-motion-stagger, 0.12s);
}

.animated-grid-delay-2 {
    --grid-motion-local-start: var(--grid-motion-group-2-start, 0.36s);
}

.animated-block {
    will-change: transform, opacity;
}

.animated-block-delay-2 {
    --block-motion-delay: var(--grid-motion-group-2-start, 0.36s);
}

:is(.animated-grid, .home-grid, .category-grid, .docs-grid) > * {
    will-change: transform, opacity;
}

body.motion-observe .animated-block {
    opacity: var(--grid-motion-opacity-start, 0);
    transform: translateY(var(--grid-motion-distance, 10px)) scale(var(--grid-motion-scale, 0.992));
}

body.motion-observe .animated-block.motion-in-view {
    animation: gridMotionEnter var(--grid-motion-duration, 0.9s) var(--grid-motion-ease, cubic-bezier(0.16, 1, 0.3, 1)) forwards;
    animation-delay: var(--block-motion-delay, var(--grid-motion-start, 0.12s));
}

body.motion-observe :is(.animated-grid, .home-grid, .category-grid, .docs-grid) > * {
    opacity: var(--grid-motion-opacity-start, 0);
    transform: translateY(var(--grid-motion-distance, 10px)) scale(var(--grid-motion-scale, 0.992));
}

body.motion-observe :is(.animated-grid, .home-grid, .category-grid, .docs-grid).motion-in-view > * {
    animation: gridMotionEnter var(--grid-motion-duration, 0.9s) var(--grid-motion-ease, cubic-bezier(0.16, 1, 0.3, 1)) forwards;
    animation-delay: calc(var(--grid-motion-local-start) + (var(--grid-motion-local-stagger) * var(--grid-item-index, 0)));
}

:is(.animated-grid, .home-grid, .category-grid, .docs-grid) > :nth-child(1) { --grid-item-index: 0; }
:is(.animated-grid, .home-grid, .category-grid, .docs-grid) > :nth-child(2) { --grid-item-index: 1; }
:is(.animated-grid, .home-grid, .category-grid, .docs-grid) > :nth-child(3) { --grid-item-index: 2; }
:is(.animated-grid, .home-grid, .category-grid, .docs-grid) > :nth-child(4) { --grid-item-index: 3; }
:is(.animated-grid, .home-grid, .category-grid, .docs-grid) > :nth-child(5) { --grid-item-index: 4; }
:is(.animated-grid, .home-grid, .category-grid, .docs-grid) > :nth-child(6) { --grid-item-index: 5; }
:is(.animated-grid, .home-grid, .category-grid, .docs-grid) > :nth-child(7) { --grid-item-index: 6; }
:is(.animated-grid, .home-grid, .category-grid, .docs-grid) > :nth-child(8) { --grid-item-index: 7; }

@keyframes gridMotionEnter {
    0% {
        opacity: var(--grid-motion-opacity-start, 0);
        transform: translateY(var(--grid-motion-distance, 10px)) scale(var(--grid-motion-scale, 0.992));
    }

    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@media (prefers-reduced-motion: reduce) {
    .animated-block {
        opacity: 1;
        transform: none;
        animation: none;
    }

    :is(.animated-grid, .home-grid, .category-grid, .docs-grid) > * {
        opacity: 1;
        transform: none;
        animation: none;
    }
}

@media (min-width: 768px) {
    .topbar {
        padding: 0.42rem 1.25rem;
    }

    .brand-logo {
        width: 210px;
        height: 74px;
        transform: translateY(1px) scale(1.24);
    }

    .mobile-menu {
        position: static;
        top: auto;
        left: auto;
        right: auto;
        z-index: auto;
        display: flex;
        justify-content: center;
        gap: 1.2rem;
        background: transparent;
        border-bottom: 1px solid var(--line);
        backdrop-filter: none;
        opacity: 1;
        pointer-events: auto;
        transform: none;
        padding: 0.65rem 1rem;
    }

    .mobile-menu .menu-link,
    .mobile-menu.open .menu-link {
        max-height: none;
        padding: 0;
    }

    .menu-toggle {
        display: none;
    }

    main {
        max-width: 960px;
        margin: 0 auto;
        padding: 1.2rem 1.4rem 2rem;
    }

    h1 {
        font-size: 3.1rem;
    }
}