/* ============================= */
/* Root Variables */
/* ============================= */

:root {
    --bg: #0f1115;
    --panel: rgba(255, 255, 255, 0.06);
    --text: rgba(255, 255, 255, 0.92);
    --muted: rgba(255, 255, 255, 0.6);
    --border: rgba(255, 255, 255, 0.12);

    --radius: 18px;

    --shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    --shadowHover: 0 20px 60px rgba(0, 0, 0, 0.35);

    --max: 1100px;
}

/* Light Mode (Apple clean white) */
[data-theme="light"] {
    --bg: #ffffff;
    --panel: rgba(0, 0, 0, 0.04);
    --text: rgba(0, 0, 0, 0.88);
    --muted: rgba(0, 0, 0, 0.55);
    --border: rgba(0, 0, 0, 0.12);

    --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadowHover: 0 20px 60px rgba(0, 0, 0, 0.15);
}

/* ============================= */
/* Global Reset */
/* ============================= */

* {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

body {
    margin: 0;
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "SF Pro Text",
        "SF Pro Display",
        system-ui,
        sans-serif;

    background: var(--bg);
    color: var(--text);
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
}

/* Soft ambient glow */
body::before {
    content: "";
    position: fixed;
    inset: -200px;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(900px 500px at 20% 10%, rgba(255, 255, 255, 0.08), transparent 60%),
        radial-gradient(800px 420px at 80% 20%, rgba(255, 255, 255, 0.06), transparent 60%),
        radial-gradient(900px 500px at 50% 90%, rgba(255, 255, 255, 0.04), transparent 60%);
    filter: blur(10px);
}

/* ============================= */
/* Layout */
/* ============================= */

.container {
    width: min(var(--max), calc(100% - 40px));
    margin: 0 auto;
}

.section {
    padding: 42px 0 60px;
}

.grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 20px;
}

/* ============================= */
/* Header */
/* ============================= */

.header {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(14px);
    background: color-mix(in srgb, var(--bg) 85%, transparent);
    border-bottom: 1px solid var(--border);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    text-decoration: none;
    color: inherit;
}

.brand__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.8;
}

.nav {
    display: flex;
    gap: 14px;
}

.nav__link {
    text-decoration: none;
    color: var(--muted);
    padding: 8px 12px;
    border-radius: 12px;
    transition: all 180ms ease;
}

.nav__link:hover {
    background: var(--panel);
    color: var(--text);
}

.nav__link.is-active {
    color: var(--text);
    border: 1px solid var(--border);
}

/* ============================= */
/* Typography */
/* ============================= */

.title {
    font-size: clamp(28px, 3vw, 42px);
    font-weight: 600;
    margin-bottom: 10px;
}

.subtitle {
    margin: 0 0 20px;
    color: var(--muted);
    line-height: 1.6;
}

.muted {
    color: var(--muted);
}

/* ============================= */
/* Panel */
/* ============================= */

.panel {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;

    padding: 18px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--panel);
    box-shadow: var(--shadow);
}

.searchRow {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.input {
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text);
    outline: none;
    min-width: 200px;
    transition: border 150ms ease;
}

.input::placeholder {
    color: var(--muted);
}

.input:focus {
    border-color: color-mix(in srgb, var(--border) 50%, white);
}

.stat {
    text-align: center;
}

.stat__num {
    font-size: 26px;
    font-weight: 700;
}

.stat__label {
    font-size: 13px;
    color: var(--muted);
}

/* ============================= */
/* Cards */
/* ============================= */

.card {
    position: relative;
    flex: 1 1 280px;
    min-width: 260px;
    max-width: 560px;

    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: color-mix(in srgb, var(--panel) 90%, transparent);
    box-shadow: var(--shadow);

    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 14px;

    transform: translateY(0) scale(1);
    transition:
        transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1),
        box-shadow 220ms cubic-bezier(0.2, 0.8, 0.2, 1),
        border-color 220ms ease;
}

/* Highlight sheen */
.card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
    opacity: 0;
    transition: opacity 220ms ease;
    background: radial-gradient(1200px 400px at 20% 0%,
            rgba(255, 255, 255, 0.14),
            transparent 55%);
}

.card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: var(--shadowHover);
    border-color: color-mix(in srgb, var(--border) 50%, white);
}

.card:hover::before {
    opacity: 1;
}

.card:active {
    transform: translateY(-2px) scale(0.995);
}

/* ============================= */
/* Card Content */
/* ============================= */

.card__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.card__title {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    flex: 1;
}

.badge {
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--text) 10%, transparent);
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.8;
    white-space: nowrap;
}

.card__desc {
    margin: 0;
    color: var(--muted);
    line-height: 1.6;
    font-size: 14px;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    font-size: 12px;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--border);
    opacity: 0.9;
}

.card__actions {
    display: flex;
    gap: 10px;
    margin-top: auto;
    flex-wrap: wrap;
}

/* ============================= */
/* Buttons */
/* ============================= */

.btn {
    border: 1px solid var(--border);
    background: var(--panel);
    color: var(--text);
    padding: 10px 14px;
    border-radius: 14px;
    cursor: pointer;
    text-decoration: none;
    font-size: 14px;

    display: inline-flex;
    align-items: center;
    gap: 6px;

    transition:
        transform 180ms cubic-bezier(0.2, 0.8, 0.2, 1),
        border-color 180ms ease,
        background 180ms ease;
}

.btn:hover {
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--border) 50%, white);
}

.btn:active {
    transform: scale(0.97);
}

.btn--ghost {
    background: transparent;
}

/* ============================= */
/* Footer */
/* ============================= */

.footer {
    border-top: 1px solid var(--border);
    padding: 22px 0;
    margin-top: 40px;
}

.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer__links {
    display: flex;
    gap: 14px;
}

.link {
    text-decoration: none;
    color: var(--muted);
    transition: color 150ms ease;
}

.link:hover {
    color: var(--text);
}

/* ============================= */
/* Routing */
/* ============================= */

.route {
    display: none;
}

.route.is-visible {
    display: block;
}

/* ============================= */
/* Hero & About */
/* ============================= */

.hero {
    margin-bottom: 40px;
    animation: fadeInUp 0.6s ease-out;
}

.about {
    margin: 40px 0;
    padding: 24px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: color-mix(in srgb, var(--panel) 50%, transparent);
    backdrop-filter: blur(4px);
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.about__title {
    margin: 0 0 12px;
    font-size: 18px;
    font-weight: 600;
}

.about__text {
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
    font-size: 15px;
}

/* ============================= */
/* Tech Filters */
/* ============================= */

.tech-filters {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.tech-filter {
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--muted);
    font-size: 13px;
    cursor: pointer;
    transition: all 150ms ease;
}

.tech-filter:hover {
    border-color: color-mix(in srgb, var(--border) 80%, white);
    color: var(--text);
}

.tech-filter.is-active {
    background: var(--panel);
    border-color: var(--text);
    color: var(--text);
}

/* ============================= */
/* Animations */
/* ============================= */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: fadeInUp 0.5s ease-out;
}

/* ============================= */
/* Accessibility */
/* ============================= */

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

    .card,
    .btn {
        transition: none;
        transform: none !important;
    }
}

/* ============================= */
/* Responsive */
/* ============================= */

@media (max-width: 640px) {
    .panel {
        flex-direction: column;
        align-items: stretch;
    }

    .panel__right {
        border-top: 1px solid var(--border);
        padding-top: 14px;
    }

    .stat {
        text-align: left;
    }
}