:root {
    --tools-bg: #071520;
    --tools-panel: #0d2130;
    --tools-panel-soft: #112c3d;
    --tools-line: rgba(154, 190, 201, 0.2);
    --tools-text: #f4fbfc;
    --tools-muted: #a9bdc5;
    --tools-teal: #20d5bd;
    --tools-purple: #c4b5fd;
}

.tools-directory-page {
    background:
        radial-gradient(circle at 10% 8%, rgba(17, 148, 134, 0.18), transparent 28rem),
        radial-gradient(circle at 88% 2%, rgba(124, 91, 194, 0.12), transparent 30rem),
        var(--tools-bg);
    color: var(--tools-text);
}

.tools-directory-page .site-header {
    border-bottom: 1px solid rgba(89, 172, 187, 0.16);
    background: rgba(7, 21, 32, 0.88);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
}

.tools-directory-page .tools-nav-current {
    color: var(--tools-teal);
}

.tools-directory-main {
    overflow: hidden;
    padding-top: 7rem;
}

.tools-directory-shell {
    width: min(1120px, calc(100% - 2rem));
    margin-inline: auto;
}

.tools-directory-hero {
    padding: clamp(4rem, 9vw, 7.5rem) 0 clamp(3.5rem, 7vw, 6rem);
}

.tools-directory-kicker {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--tools-teal);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.tools-directory-kicker span {
    width: 2rem;
    height: 2px;
    background: var(--tools-teal);
}

.tools-directory-hero h1 {
    max-width: 880px;
    margin-top: 1.2rem;
    color: var(--tools-text);
    font-size: clamp(2.8rem, 7vw, 5.8rem);
    font-weight: 850;
    letter-spacing: -0.06em;
    line-height: 0.98;
}

.tools-directory-hero h1 strong {
    color: var(--tools-teal);
    font-weight: inherit;
}

.tools-directory-hero > div > p:last-child {
    max-width: 700px;
    margin-top: 1.6rem;
    color: #c7d8de;
    font-size: clamp(1.05rem, 2vw, 1.3rem);
    line-height: 1.7;
}

.tools-directory-list {
    border-block: 1px solid var(--tools-line);
    background: rgba(5, 18, 28, 0.72);
    padding: clamp(4rem, 8vw, 7rem) 0;
}

.tools-directory-heading {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.65fr);
    align-items: end;
    gap: 2rem;
    margin-bottom: 2rem;
}

.tools-directory-heading > div > p,
.tools-directory-note > div > div > p {
    color: var(--tools-teal);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.tools-directory-heading h2,
.tools-directory-note h2 {
    margin-top: 0.45rem;
    color: var(--tools-text);
    font-size: clamp(2rem, 4vw, 3.35rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.05;
}

.tools-directory-heading > p,
.tools-directory-note > div > p {
    color: var(--tools-muted);
    line-height: 1.75;
}

.tools-directory-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
}

.tools-directory-card {
    display: flex;
    min-height: 100%;
    flex-direction: column;
    border: 1px solid var(--tools-line);
    border-radius: 1.5rem;
    background: linear-gradient(145deg, rgba(17, 44, 61, 0.94), rgba(9, 27, 40, 0.96));
    color: var(--tools-text);
    padding: clamp(1.15rem, 3vw, 1.6rem);
    box-shadow: 0 26px 70px rgba(0, 7, 14, 0.22);
}

a.tools-directory-card {
    text-decoration: none;
    transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

a.tools-directory-card:hover {
    border-color: rgba(32, 213, 189, 0.75);
    background: linear-gradient(145deg, rgba(19, 53, 68, 0.98), rgba(9, 31, 43, 0.98));
    transform: translateY(-4px);
}

.tools-directory-card-planned {
    border-style: dashed;
}

.tools-directory-card-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.tools-directory-card-topline span,
.tools-directory-card-topline strong {
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 0.42rem 0.75rem;
}

.tools-directory-card-topline span {
    border: 1px solid rgba(32, 213, 189, 0.3);
    color: #d5f9f3;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.tools-directory-card-topline strong {
    background: rgba(20, 73, 79, 0.42);
    color: var(--tools-teal);
}

.tools-directory-card-planned .tools-directory-card-topline strong {
    background: rgba(78, 66, 116, 0.38);
    color: #ddd6fe;
}

.tools-directory-preview {
    margin-bottom: 1rem;
    border: 1px solid rgba(159, 195, 205, 0.2);
    border-radius: 0.9rem;
    background: #071824;
    padding: 0.85rem 1.1rem;
}

.tools-directory-preview small {
    display: block;
    color: var(--tools-muted);
    font-size: 0.82rem;
}

.tools-directory-preview b {
    display: block;
    margin-top: 0.2rem;
    color: var(--tools-teal);
    font-size: clamp(1.7rem, 3.4vw, 2.3rem);
    letter-spacing: -0.045em;
    line-height: 1.05;
}

.tools-directory-preview-code b {
    color: var(--tools-purple);
}

.tools-directory-card h3 {
    color: #fff;
    font-size: clamp(1.25rem, 2.4vw, 1.55rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.tools-directory-card > p {
    margin-top: 0.45rem;
    color: #c4d4da;
    line-height: 1.6;
}

.tools-directory-action {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    margin-top: auto;
    padding-top: 1rem;
    color: var(--tools-teal);
    font-weight: 800;
}

.tools-directory-action i {
    font-style: normal;
    transition: transform 0.2s ease;
}

a.tools-directory-card:hover .tools-directory-action i {
    transform: translateX(4px);
}

.tools-directory-action-muted {
    color: #9ca3af;
}

.tools-directory-note {
    padding: clamp(4rem, 8vw, 7rem) 0;
}

.tools-directory-note > div {
    display: grid;
    grid-template-columns: minmax(0, 0.75fr) minmax(280px, 1fr);
    gap: 2rem;
    align-items: center;
    border: 1px solid rgba(32, 213, 189, 0.26);
    border-radius: 1.5rem;
    background: rgba(17, 65, 74, 0.62);
    padding: clamp(1.5rem, 5vw, 3rem);
}

.tools-directory-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border-top: 1px solid var(--tools-line);
    color: var(--tools-muted);
    padding: 1.75rem max(1rem, calc((100% - 1120px) / 2));
}

.tools-directory-footer a {
    color: var(--tools-teal);
    font-weight: 800;
}

@media (max-width: 980px) {
    .tools-directory-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .tools-directory-main {
        padding-top: 5.5rem;
    }

    .tools-directory-heading,
    .tools-directory-grid,
    .tools-directory-note > div {
        grid-template-columns: 1fr;
    }

    .tools-directory-card-topline {
        align-items: flex-start;
        flex-direction: column;
    }

    .tools-directory-footer {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    a.tools-directory-card,
    .tools-directory-action i {
        transition: none;
    }
}