/* =========================================================
   OSGuide — Option 2 Clean Interface
   Permanent dark theme / mobile first
========================================================= */

/* =========================================================
   1. Reset
========================================================= */

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

* {
    margin: 0;
    padding: 0;
}

html {
    min-height: 100%;
    scroll-behavior: smooth;
    background: #0b0f15;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    background:
        radial-gradient(
            circle at 100% 0%,
            rgba(37, 99, 235, 0.07),
            transparent 26rem
        ),
        #0b0f15;
    color: #f5f7fb;
    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body.modal-open {
    overflow: hidden;
}

button,
input {
    font: inherit;
}

button {
    border: 0;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

button,
a {
    color: inherit;
}

a {
    text-decoration: none;
}

img,
svg {
    display: block;
}

img {
    max-width: 100%;
}

[hidden] {
    display: none !important;
}


/* =========================================================
   2. Design Tokens
========================================================= */

:root {
    --page: #0b0f15;
    --surface: #10151d;
    --surface-2: #141b24;
    --surface-3: #182130;
    --surface-hover: #1b2635;

    --text: #f5f7fb;
    --text-soft: #a7b0bf;
    --text-faint: #6f7b8e;

    --border: #202a38;
    --border-strong: #2c3a4d;

    --primary: #5b9cff;
    --primary-strong: #2f73eb;
    --primary-soft: #14233c;

    --download: #16a66a;
    --download-hover: #138958;
    --download-soft: #0f3124;

    --danger: #ef4444;

    --shadow-sm:
        0 10px 24px rgba(0, 0, 0, 0.20);

    --shadow-md:
        0 20px 46px rgba(0, 0, 0, 0.30);

    --shadow-lg:
        0 28px 80px rgba(0, 0, 0, 0.50);

    --radius-sm: 11px;
    --radius-md: 15px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --content-width: 1180px;
    --transition: 170ms ease;
}


/* =========================================================
   3. Focus
========================================================= */

button:focus-visible,
a:focus-visible,
input:focus-visible {
    outline: 3px solid rgba(91, 156, 255, 0.30);
    outline-offset: 2px;
}


/* =========================================================
   4. Header
========================================================= */

.site-header {
    position: sticky;
    top: 0;
    z-index: 300;
    border-bottom: 1px solid var(--border);
    background: rgba(11, 15, 21, 0.88);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.header-container {
    width: min(calc(100% - 28px), var(--content-width));
    min-height: 74px;
    margin-inline: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.header-leading {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.menu-button,
.icon-button,
.side-navigation-close,
.modal-close-button {
    display: grid;
    place-items: center;
    cursor: pointer;
}

.menu-button {
    width: 46px;
    height: 46px;
    flex: 0 0 46px;
    border: 1px solid var(--border);
    border-radius: 13px;
    background: var(--surface);
    color: var(--text-soft);
    transition:
        background var(--transition),
        border-color var(--transition),
        color var(--transition),
        transform var(--transition);
}

.menu-button:hover {
    border-color: var(--border-strong);
    background: var(--surface-hover);
    color: var(--text);
}

.menu-button:active {
    transform: scale(0.97);
}

.menu-button svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
}

.brand {
    min-width: 0;
    display: inline-flex;
    align-items: center;
    gap: 11px;
}

.brand-mark {
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
    color: #2d73ee;
}

.brand-mark svg {
    width: 100%;
    height: 100%;
}

.brand-mark rect {
    fill: currentColor;
    stroke: rgba(255, 255, 255, 0.11);
    stroke-width: 1;
}

.brand-mark path {
    fill: none;
    stroke: #ffffff;
    stroke-width: 2.6;
    stroke-linecap: round;
}

.brand-mark circle {
    fill: #ffffff;
}

.brand-copy {
    min-width: 0;
}

.brand-copy strong,
.brand-copy small {
    display: block;
}

.brand-copy strong {
    color: var(--text);
    font-size: 20px;
    line-height: 1.1;
    letter-spacing: -0.55px;
}

.brand-copy strong span {
    color: var(--primary);
}

.brand-copy small {
    margin-top: 4px;
    overflow: hidden;
    color: var(--text-faint);
    font-size: 10px;
    line-height: 1.2;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.header-actions {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-button,
.icon-button {
    height: 44px;
    border: 1px solid var(--border);
    border-radius: 13px;
    background: var(--surface);
    color: var(--text);
    transition:
        background var(--transition),
        border-color var(--transition),
        transform var(--transition);
}

.header-button {
    padding-inline: 15px;
    font-size: 14px;
    font-weight: 750;
}

.icon-button {
    width: 44px;
    padding: 0;
}

.header-button:hover,
.icon-button:hover {
    border-color: var(--border-strong);
    background: var(--surface-hover);
}

.header-button:active,
.icon-button:active {
    transform: scale(0.97);
}

.icon-button svg {
    width: 21px;
    height: 21px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
}


/* =========================================================
   5. Main Container
========================================================= */

.main-content {
    width: min(calc(100% - 28px), var(--content-width));
    margin-inline: auto;
    padding-block: 24px 64px;
    flex: 1;
}


/* =========================================================
   6. Hero
========================================================= */

.hero-section {
    position: relative;
    overflow: hidden;
    min-height: 330px;
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    padding: 38px 30px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-xl);
    background:
        radial-gradient(
            circle at 92% 8%,
            rgba(17, 141, 82, 0.26),
            transparent 45%
        ),
        radial-gradient(
            circle at 20% 0%,
            rgba(47, 115, 235, 0.16),
            transparent 44%
        ),
        linear-gradient(
            145deg,
            #101721,
            #0e141c
        );
    box-shadow: var(--shadow-sm);
}

.hero-copy {
    position: relative;
    z-index: 2;
    max-width: 720px;
}

.hero-label,
.section-label,
.modal-eyebrow {
    color: var(--primary);
    font-size: 12px;
    font-weight: 850;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.hero-label {
    margin-bottom: 14px;
}

.hero-section h1 {
    max-width: 720px;
    color: var(--text);
    font-size: clamp(42px, 10vw, 68px);
    line-height: 0.99;
    letter-spacing: -2.8px;
}

.hero-description {
    max-width: 690px;
    margin-top: 22px;
    color: var(--text-soft);
    font-size: clamp(16px, 3.8vw, 20px);
    line-height: 1.62;
}

.hero-number {
    position: absolute;
    right: 22px;
    bottom: -24px;
    z-index: 1;
    color: rgba(255, 255, 255, 0.035);
    font-size: 130px;
    font-weight: 950;
    line-height: 1;
    pointer-events: none;
    user-select: none;
}


/* =========================================================
   7. Discovery Tools
========================================================= */

.discovery-tools {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    margin-bottom: 18px;
}

.search-container {
    position: relative;
}

.search-icon {
    position: absolute;
    top: 50%;
    left: 18px;
    width: 22px;
    height: 22px;
    transform: translateY(-50%);
    color: var(--text-soft);
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    pointer-events: none;
}

.search-container input {
    width: 100%;
    min-height: 58px;
    padding: 0 52px;
    border: 1px solid var(--border-strong);
    outline: none;
    border-radius: var(--radius-md);
    background: var(--surface);
    color: var(--text);
    box-shadow: var(--shadow-sm);
    font-size: 16px;
    transition:
        background var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

.search-container input::placeholder {
    color: #788396;
}

.search-container input:focus {
    border-color: rgba(91, 156, 255, 0.62);
    box-shadow:
        0 0 0 4px rgba(91, 156, 255, 0.10),
        var(--shadow-sm);
}

.clear-search-button {
    position: absolute;
    top: 50%;
    right: 10px;
    width: 38px;
    height: 38px;
    transform: translateY(-50%);
    display: grid;
    place-items: center;
    cursor: pointer;
    border-radius: 10px;
    background: transparent;
    color: var(--text-soft);
}

.clear-search-button:hover {
    background: var(--surface-hover);
    color: var(--text);
}

.clear-search-button svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
}

.sort-button {
    min-height: 58px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding-inline: 18px;
    cursor: pointer;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    background: var(--surface);
    color: var(--text);
    box-shadow: var(--shadow-sm);
    font-size: 15px;
    font-weight: 780;
    transition:
        background var(--transition),
        border-color var(--transition),
        transform var(--transition);
}

.sort-button:hover {
    border-color: #3c4e66;
    background: var(--surface-hover);
}

.sort-button:active {
    transform: scale(0.985);
}

.sort-button svg {
    width: 21px;
    height: 21px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}


/* =========================================================
   8. Search Results
========================================================= */

.search-results {
    position: relative;
    z-index: 80;
    margin: -6px 0 20px;
    padding: 8px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    background: #10161f;
    box-shadow: var(--shadow-md);
}

.search-result-item {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    cursor: pointer;
    border-radius: 11px;
    background: transparent;
    color: var(--text);
    text-align: left;
}

.search-result-item:hover {
    background: var(--surface-hover);
}

.search-result-item .application-icon {
    width: 42px;
    height: 42px;
}

.search-result-content {
    min-width: 0;
}

.search-result-content strong,
.search-result-content small {
    display: block;
}

.search-result-content strong {
    color: var(--text);
    font-size: 14px;
}

.search-result-content small {
    margin-top: 2px;
    overflow: hidden;
    color: var(--text-soft);
    font-size: 12px;
    text-overflow: ellipsis;
    white-space: nowrap;
}


/* =========================================================
   9. Shared Section Heading
========================================================= */

.section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 15px;
}

.section-heading h2 {
    margin-top: 4px;
    color: var(--text);
    font-size: clamp(27px, 6vw, 34px);
    line-height: 1.12;
    letter-spacing: -0.9px;
}

.application-count {
    flex: 0 0 auto;
    color: var(--text-soft);
    font-size: 13px;
}


/* =========================================================
   10. Featured Application
========================================================= */

.featured-section {
    margin-top: 28px;
    margin-bottom: 34px;
}

.featured-application-card {
    position: relative;
    width: 100%;
    min-height: 260px;
    overflow: hidden;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    cursor: pointer;
    border: 1px solid #28374a;
    border-radius: var(--radius-lg);
    background:
        radial-gradient(
            circle at 85% 30%,
            rgba(26, 105, 210, 0.22),
            transparent 40%
        ),
        linear-gradient(
            135deg,
            #101926,
            #0d131c
        );
    color: var(--text);
    box-shadow: var(--shadow-sm);
    text-align: left;
    transition:
        transform var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

.featured-application-card:hover {
    border-color: #3f5674;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.featured-application-card:active {
    transform: scale(0.995);
}

.featured-application-copy {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 26px;
}

.featured-application-visual {
    width: 80px;
    height: 80px;
    flex: 0 0 80px;
}

.featured-application-visual .application-icon {
    width: 80px;
    height: 80px;
}

.featured-fallback-icon {
    width: 80px;
    height: 80px;
    display: grid;
    place-items: center;
    border: 2px solid #48566a;
    border-radius: 19px;
    background: #05070a;
    color: #ffffff;
    font-family: monospace;
    font-size: 32px;
    font-weight: 800;
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.featured-application-information {
    min-width: 0;
    max-width: 620px;
}

.featured-kicker {
    display: inline-block;
    margin-bottom: 7px;
    color: var(--primary);
    font-size: 11px;
    font-weight: 850;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.featured-application-information h3 {
    color: var(--text);
    font-size: clamp(24px, 6vw, 34px);
    line-height: 1.08;
    letter-spacing: -0.8px;
}

.featured-application-information > p {
    max-width: 560px;
    margin-top: 10px;
    color: var(--text-soft);
    font-size: 14px;
    line-height: 1.6;
}

.featured-application-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-top: 14px;
}

.featured-application-meta span {
    padding: 5px 9px;
    border: 1px solid #2a3a4f;
    border-radius: 999px;
    background: rgba(11, 15, 21, 0.52);
    color: #b6c0ce;
    font-size: 11px;
    font-weight: 700;
}

.featured-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    margin-top: 16px;
    padding: 0 13px;
    border-radius: 10px;
    background: var(--primary-strong);
    color: #ffffff;
    font-size: 12px;
    font-weight: 800;
}

.featured-decoration {
    display: none;
}

.terminal-preview {
    position: absolute;
    right: 26px;
    bottom: -36px;
    width: 230px;
    min-height: 250px;
    padding: 24px 19px;
    transform: rotate(2.5deg);
    border: 1px solid #303b48;
    border-radius: 22px 22px 0 0;
    background:
        linear-gradient(
            180deg,
            #050608,
            #080b0f
        );
    box-shadow:
        0 20px 45px rgba(0, 0, 0, 0.48);
    color: #82908e;
    font-family: monospace;
    font-size: 11px;
    line-height: 1.9;
}

.terminal-preview span {
    display: block;
}

.terminal-cursor {
    color: #4ade80;
}


/* =========================================================
   11. Applications
========================================================= */

.applications-section {
    margin-top: 10px;
}

.applications-pager {
    position: relative;
}

.applications-viewport {
    overflow: hidden;
    width: 100%;
    touch-action: pan-y;
    overscroll-behavior-x: contain;
    border-radius: var(--radius-md);
}

.applications-grid {
    display: flex;
    flex-direction: row-reverse;
    width: 100%;
    gap: 0;
    will-change: transform;
    transition: transform 280ms cubic-bezier(0.22, 0.7, 0.25, 1);
}

.applications-grid.is-dragging {
    transition: none;
}

.applications-page-panel {
    flex: 0 0 100%;
    min-width: 100%;
}

.applications-page-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
}

.applications-page-arrow {
    position: absolute;
    top: 50%;
    z-index: 8;
    width: 42px;
    height: 42px;
    display: none;
    place-items: center;
    transform: translateY(-50%);
    cursor: pointer;
    border: 1px solid var(--border-strong);
    border-radius: 50%;
    background: rgba(16, 21, 29, 0.94);
    color: var(--text);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition:
        opacity var(--transition),
        background var(--transition),
        border-color var(--transition),
        transform var(--transition);
}

@media (min-width: 980px) {
    .applications-pager.has-multiple-pages .applications-page-arrow {
        display: grid;
    }
}

.applications-page-arrow:hover {
    border-color: #3e5068;
    background: var(--surface-hover);
}

.applications-page-arrow:active {
    transform:
        translateY(-50%)
        scale(0.96);
}

.applications-page-arrow:disabled {
    opacity: 0.28;
    cursor: default;
    pointer-events: none;
}

.applications-page-arrow svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.applications-page-arrow-left {
    left: -18px;
}

.applications-page-arrow-right {
    right: -18px;
}

.applications-pagination {
    min-height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 16px;
}

.applications-page-dot {
    width: 8px;
    height: 8px;
    padding: 0;
    cursor: pointer;
    border-radius: 999px;
    background: #354256;
    transition:
        width var(--transition),
        background var(--transition),
        transform var(--transition);
}

.applications-page-dot:hover {
    background: #556982;
    transform: scale(1.12);
}

.applications-page-dot.is-active {
    width: 24px;
    background: var(--primary);
}


/* =========================================================
   12. Application Card (created by script.js)
========================================================= */

.application-card {
    min-width: 0;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background:
        linear-gradient(
            180deg,
            #121821,
            #0f151d
        );
    box-shadow: var(--shadow-sm);
    transition:
        transform var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

.application-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.application-main {
    width: 100%;
    min-width: 0;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 17px 17px 14px;
    cursor: pointer;
    background: transparent;
    color: var(--text);
    text-align: left;
}

.application-icon {
    width: 56px;
    height: 56px;
    flex: 0 0 56px;
    overflow: hidden;
    border-radius: 13px;
}

.application-icon svg,
.application-icon img {
    width: 100%;
    height: 100%;
}

.application-icon img {
    object-fit: cover;
}

.application-summary {
    min-width: 0;
    flex: 1;
}

.application-summary h3 {
    color: var(--text);
    font-size: 17px;
    line-height: 1.2;
    letter-spacing: -0.25px;
}

.application-summary > p {
    display: -webkit-box;
    margin-top: 5px;
    overflow: hidden;
    color: var(--text-soft);
    font-size: 12px;
    line-height: 1.45;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.application-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 9px;
}

.application-meta span {
    padding: 3px 7px;
    border: 1px solid #263243;
    border-radius: 999px;
    background: #111925;
    color: #8f9aaa;
    font-size: 10px;
    font-weight: 700;
}

.application-footer {
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 8px 10px 8px 17px;
    border-top: 1px solid #1d2734;
}

.source-label {
    min-width: 0;
    overflow: hidden;
    color: #738095;
    font-size: 10px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.download-icon-button {
    min-width: 112px;
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 9px;
    background: var(--download-soft);
    color: #70e6ad;
    transition:
        background var(--transition),
        transform var(--transition);
}

.download-icon-button::after {
    content: "Download";
    margin-left: 7px;
    font-size: 11px;
    font-weight: 800;
}

.download-icon-button:hover {
    background: #12452f;
}

.download-icon-button:active {
    transform: scale(0.97);
}

.download-icon-button svg {
    width: 16px;
    height: 16px;
}


/* =========================================================
   13. Empty State
========================================================= */

.empty-state {
    margin-top: 24px;
    padding: 42px 22px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
    text-align: center;
}

.empty-state > svg {
    width: 38px;
    height: 38px;
    margin: 0 auto 14px;
    color: var(--text-soft);
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
}

.empty-state h2 {
    color: var(--text);
    font-size: 21px;
}

.empty-state p {
    max-width: 470px;
    margin: 7px auto 0;
    color: var(--text-soft);
    font-size: 14px;
}

.secondary-action-button {
    min-height: 42px;
    margin-top: 16px;
    padding-inline: 15px;
    cursor: pointer;
    border: 1px solid var(--border-strong);
    border-radius: 11px;
    background: var(--surface-2);
    color: var(--text);
    font-size: 13px;
    font-weight: 750;
}


/* =========================================================
   14. Categories
========================================================= */

.categories-section {
    margin-top: 54px;
}

.categories-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
}

.category-card {
    width: 100%;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 13px;
    padding: 14px;
    cursor: pointer;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    color: var(--text);
    text-align: left;
    transition:
        background var(--transition),
        border-color var(--transition),
        transform var(--transition);
}

.category-card:hover,
.category-card.is-active {
    border-color: #31527f;
    background: #111d2c;
}

.category-card:active {
    transform: scale(0.99);
}

.category-icon {
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
    display: grid;
    place-items: center;
    border: 1px solid #29394e;
    border-radius: 12px;
    background: #152033;
    color: #72aefb;
}

.category-icon svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.category-content {
    min-width: 0;
}

.category-content strong,
.category-content small {
    display: block;
}

.category-content strong {
    color: var(--text);
    font-size: 14px;
}

.category-content small {
    margin-top: 2px;
    color: var(--text-soft);
    font-size: 11px;
}


/* =========================================================
   15. Why OSGuide
========================================================= */

.why-section {
    margin-top: 54px;
}

.why-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
}

.why-card {
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
}

.why-icon {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    margin-bottom: 15px;
    border: 1px solid #29394e;
    border-radius: 12px;
    background: #142033;
    color: #72aefb;
}

.why-icon svg {
    width: 21px;
    height: 21px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.why-card h3 {
    color: var(--text);
    font-size: 16px;
}

.why-card p {
    margin-top: 6px;
    color: var(--text-soft);
    font-size: 13px;
    line-height: 1.6;
}


/* =========================================================
   16. Footer
========================================================= */

.site-footer {
    border-top: 1px solid var(--border);
    background: #0c1118;
}

.footer-container {
    position: relative;
    width: min(calc(100% - 28px), var(--content-width));
    margin-inline: auto;
    padding-block: 30px;
    display: grid;
    gap: 20px;
}

.footer-brand strong {
    color: var(--text);
    font-size: 18px;
}

.footer-brand p,
.copyright {
    color: var(--text-soft);
    font-size: 12px;
}

.footer-brand p {
    max-width: 500px;
    margin-top: 5px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.footer-links a {
    color: var(--text-soft);
    font-size: 12px;
    font-weight: 750;
}

.footer-links a:hover {
    color: var(--text);
}

.project-symbol {
    position: absolute;
    right: 0;
    bottom: 20px;
    color: #263142;
    font-size: 31px;
    font-weight: 950;
}


/* =========================================================
   17. Modal
========================================================= */

.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: grid;
    place-items: end center;
    padding: 12px;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(4, 8, 13, 0.68);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.modal-panel {
    position: relative;
    z-index: 1;
    width: min(100%, 560px);
    max-height: calc(100vh - 24px);
    overflow-y: auto;
    padding: 26px 22px 22px;
    border: 1px solid var(--border-strong);
    border-radius: 24px 24px 15px 15px;
    background: #10161f;
    color: var(--text);
    box-shadow: var(--shadow-lg);
}

.modal-close-button {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 40px;
    height: 40px;
    cursor: pointer;
    border: 1px solid var(--border);
    border-radius: 11px;
    background: var(--surface-2);
    color: var(--text-soft);
}

.modal-close-button:hover {
    background: var(--surface-hover);
    color: var(--text);
}

.modal-close-button svg {
    width: 19px;
    height: 19px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
}

.modal-panel > h2 {
    padding-right: 48px;
    color: var(--text);
    font-size: 28px;
    line-height: 1.12;
    letter-spacing: -0.7px;
}

.modal-panel > p:not(.modal-eyebrow):not(.login-notice) {
    margin-top: 10px;
    color: var(--text-soft);
    font-size: 14px;
    line-height: 1.65;
}

.modal-eyebrow {
    margin: 4px 50px 8px 0;
}

.modal-app-heading {
    padding-right: 48px;
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 22px;
}

.modal-app-heading .application-icon {
    width: 68px;
    height: 68px;
    flex-basis: 68px;
}

.modal-app-heading h2 {
    color: var(--text);
    font-size: 25px;
}

.modal-app-heading p {
    margin-top: 4px;
    color: var(--text-soft);
    font-size: 13px;
}

.modal-section {
    margin-top: 18px;
}

.modal-section h3 {
    color: var(--text);
    font-size: 14px;
}

.modal-section p {
    margin-top: 6px;
    color: var(--text-soft);
    font-size: 13px;
    line-height: 1.65;
}

.application-details {
    display: grid;
    gap: 8px;
    margin-top: 18px;
}

.application-details > div {
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #131b26;
}

.application-details dt {
    color: var(--text-soft);
    font-size: 12px;
}

.application-details dd {
    color: var(--text);
    font-size: 12px;
    font-weight: 800;
}

.primary-download-button {
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 18px;
    padding-inline: 17px;
    border-radius: 12px;
    background: var(--download);
    color: #ffffff;
    font-size: 14px;
    font-weight: 850;
    text-align: center;
    transition:
        background var(--transition),
        transform var(--transition);
}

.primary-download-button:hover {
    background: var(--download-hover);
}

.primary-download-button:active {
    transform: scale(0.985);
}


/* =========================================================
   18. Login Modal
========================================================= */

.login-options {
    display: grid;
    gap: 10px;
    margin-top: 20px;
}

.login-option {
    width: 100%;
    min-height: 48px;
    cursor: pointer;
    border: 1px solid var(--border-strong);
    border-radius: 12px;
    background: var(--surface-2);
    color: var(--text);
    font-size: 13px;
    font-weight: 800;
}

.login-option:hover {
    background: var(--surface-hover);
}

.login-notice {
    margin-top: 16px;
    color: var(--text-faint);
    font-size: 11px;
    line-height: 1.5;
}


/* =========================================================
   19. Side Navigation Shell
========================================================= */

.side-navigation-shell {
    position: fixed;
    inset: 0;
    z-index: 1800;
}

.side-navigation-backdrop {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
    background: rgba(3, 7, 12, 0.66);
    backdrop-filter: blur(7px);
    -webkit-backdrop-filter: blur(7px);
}

.side-navigation {
    position: relative;
    z-index: 1;
    width: min(88vw, 370px);
    height: 100dvh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-right: 1px solid #202a38;
    background:
        linear-gradient(
            180deg,
            #10151d,
            #0e131b
        );
    box-shadow:
        24px 0 70px rgba(0, 0, 0, 0.45);
}

.side-navigation-header {
    min-height: 86px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 16px 18px;
}

.side-navigation-brand {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.side-navigation-logo {
    width: 48px;
    height: 48px;
    flex: 0 0 48px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: #2d73ee;
    color: #ffffff;
    font-size: 14px;
    font-weight: 900;
    letter-spacing: 0.03em;
}

.side-navigation-brand-copy {
    min-width: 0;
}

.side-navigation-brand-copy strong,
.side-navigation-brand-copy small {
    display: block;
}

.side-navigation-brand-copy strong {
    color: var(--text);
    font-size: 18px;
    line-height: 1.15;
}

.side-navigation-brand-copy small {
    margin-top: 4px;
    color: var(--text-faint);
    font-size: 10px;
}

.side-navigation-close {
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface-2);
    color: var(--text-soft);
}

.side-navigation-close:hover {
    background: var(--surface-hover);
    color: var(--text);
}

.side-navigation-close svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
}

.account-card {
    width: calc(100% - 28px);
    min-height: 82px;
    margin: 0 14px 15px;
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr) auto;
    align-items: center;
    gap: 12px;
    padding: 12px;
    cursor: pointer;
    border: 1px solid #29384a;
    border-radius: 15px;
    background:
        linear-gradient(
            135deg,
            #131b25,
            #111822
        );
    color: var(--text);
    text-align: left;
}

.account-card:hover {
    border-color: #3a4f69;
    background: #151f2c;
}

.account-card-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 13px;
    background: #173059;
    color: #65a5ff;
}

.account-card-icon svg {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.account-card-copy {
    min-width: 0;
}

.account-card-copy strong,
.account-card-copy small {
    display: block;
}

.account-card-copy strong {
    color: var(--text);
    font-size: 13px;
    line-height: 1.25;
}

.account-card-copy small {
    margin-top: 4px;
    color: var(--text-soft);
    font-size: 10px;
    line-height: 1.4;
}

.account-card-arrow {
    color: #76b4ff;
    font-size: 28px;
    line-height: 1;
}

.side-navigation-links {
    min-height: 0;
    flex: 1;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 0 14px 18px;
    scrollbar-width: thin;
    scrollbar-color: #303b4b transparent;
}

.side-navigation-group {
    display: grid;
    gap: 7px;
}

.side-navigation-group + .side-navigation-group {
    margin-top: 18px;
}

.side-navigation-group-secondary {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid #202936;
}

.side-navigation-label {
    padding: 0 8px 5px;
    color: #727e90;
    font-size: 9px;
    font-weight: 900;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.side-navigation-item {
    width: 100%;
    min-height: 58px;
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr);
    align-items: center;
    gap: 12px;
    padding: 7px 9px;
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: 13px;
    background: transparent;
    color: var(--text);
    text-align: left;
    transition:
        background var(--transition),
        border-color var(--transition),
        transform var(--transition);
}

.side-navigation-item:hover {
    border-color: #263448;
    background: #121b27;
}

.side-navigation-item:active {
    transform: scale(0.992);
}

.side-navigation-item.is-active {
    border-color: #31558b;
    background:
        linear-gradient(
            90deg,
            rgba(39, 95, 179, 0.29),
            rgba(39, 95, 179, 0.11)
        );
}

.side-navigation-item-icon {
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
    display: grid;
    place-items: center;
    border: 1px solid #2a3d58;
    border-radius: 12px;
    background: #162236;
    color: #70adfb;
}

.side-navigation-item.is-active .side-navigation-item-icon {
    border-color: #4a96ff;
    background: #2d73ee;
    color: #ffffff;
    box-shadow:
        0 0 0 1px rgba(108, 172, 255, 0.18),
        0 8px 20px rgba(30, 99, 210, 0.20);
}

/* IMPORTANT:
   Center is handled only by the 44x44 grid box.
   No translate / top / margin hacks are used. */
.side-navigation-item-icon svg {
    width: 22px;
    height: 22px;
    display: block;
    margin: 0;
    overflow: visible;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.side-navigation-item-copy {
    min-width: 0;
}

.side-navigation-item-copy strong,
.side-navigation-item-copy small {
    display: block;
}

.side-navigation-item-copy strong {
    color: #eef3fa;
    font-size: 13px;
    line-height: 1.25;
}

.side-navigation-item-copy small {
    margin-top: 3px;
    color: #8792a4;
    font-size: 10px;
    line-height: 1.3;
}

.side-navigation-footer {
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 20px;
    border-top: 1px solid #202936;
    color: #667286;
    font-size: 10px;
}


/* =========================================================
   20. Medium Phones / Tablets
========================================================= */

@media (min-width: 620px) {

    .discovery-tools {
        grid-template-columns: minmax(0, 1fr) auto;
    }

    .sort-button {
        min-width: 140px;
    }

    .applications-page-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .categories-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .why-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .featured-application-card {
        grid-template-columns: minmax(0, 1fr) 260px;
    }

    .featured-decoration {
        position: relative;
        display: block;
    }

    .featured-application-copy {
        padding: 30px;
    }

    .modal {
        place-items: center;
        padding: 24px;
    }

    .modal-panel {
        border-radius: 22px;
    }

}


/* =========================================================
   21. Desktop
========================================================= */

@media (min-width: 980px) {

    .header-container {
        min-height: 78px;
    }

    .main-content {
        padding-top: 30px;
    }

    .hero-section {
        min-height: 370px;
        padding: 56px 48px;
    }

    .featured-application-card {
        min-height: 290px;
        grid-template-columns: minmax(0, 1fr) 310px;
    }

    .applications-page-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 14px;
    }

    .categories-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .why-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .footer-container {
        grid-template-columns: 1.3fr auto;
        align-items: start;
    }

    .copyright {
        grid-column: 1 / -1;
    }

}


/* =========================================================
   22. Large Desktop
========================================================= */

@media (min-width: 1220px) {

    .application-main {
        padding: 18px;
    }

    .application-summary h3 {
        font-size: 18px;
    }

    .featured-application-copy {
        padding: 38px;
    }

}


/* =========================================================
   23. Small Phones
========================================================= */

@media (max-width: 440px) {

    .header-container {
        width: min(calc(100% - 20px), var(--content-width));
        min-height: 70px;
    }

    .brand-copy small {
        display: none;
    }

    .brand-copy strong {
        font-size: 19px;
    }

    .brand-mark {
        width: 40px;
        height: 40px;
        flex-basis: 40px;
    }

    .menu-button,
    .icon-button {
        width: 42px;
        height: 42px;
        flex-basis: 42px;
    }

    .header-button {
        height: 42px;
        padding-inline: 12px;
    }

    .main-content {
        width: min(calc(100% - 20px), var(--content-width));
        padding-top: 18px;
    }

    .hero-section {
        min-height: 300px;
        padding: 32px 22px;
        border-radius: 22px;
    }

    .hero-section h1 {
        font-size: clamp(40px, 12vw, 54px);
    }

    .hero-description {
        font-size: 16px;
    }

    .section-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 6px;
    }

    .application-count {
        align-self: flex-start;
    }

    .featured-application-copy {
        align-items: flex-start;
        padding: 21px;
    }

    .featured-application-visual {
        width: 64px;
        height: 64px;
        flex-basis: 64px;
    }

    .featured-application-visual .application-icon,
    .featured-fallback-icon {
        width: 64px;
        height: 64px;
    }

    .featured-fallback-icon {
        font-size: 26px;
    }

    .side-navigation {
        width: min(92vw, 370px);
    }

    .side-navigation-header {
        padding-inline: 14px;
    }

    .account-card {
        width: calc(100% - 20px);
        margin-inline: 10px;
    }

    .side-navigation-links {
        padding-inline: 10px;
    }

}


/* =========================================================
   24. Reduced Motion
========================================================= */

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }

}