/* Shared DEMO content redesign — ImageDocker
   Used by pilot pages (Shutterstock content, Favicon full-page demo).
   Keep separate from legacy .styled-section2 / css/1.css content styles.
   When redesigning the whole site later, evolve these demo files instead of mixing into old CSS. */

.tool-content {
    --tc-ink: #15231f;
    --tc-muted: #5b6b66;
    --tc-accent: #0f766e;
    --tc-accent-soft: #ccfbf1;
    --tc-line: rgba(15, 118, 110, 0.14);
    --tc-surface: rgba(255, 255, 255, 0.82);
    --tc-radius: 18px;
    --tc-display: var(--heading-font, "Noto Sans", sans-serif);
    --tc-sans: var(--body-font, "Open Sans", sans-serif);
    --tc-narrow: 760px;
    --tc-wide: min(1120px, 100%);
    position: relative;
    isolation: isolate;
    padding: clamp(2.5rem, 5vw, 4.5rem) 1.25rem;
    background:
        radial-gradient(ellipse 70% 50% at 10% 0%, rgba(45, 212, 191, 0.18), transparent 55%),
        radial-gradient(ellipse 60% 45% at 95% 20%, rgba(14, 165, 233, 0.12), transparent 50%),
        linear-gradient(180deg, #eef7f5 0%, #f7faf9 42%, #eef3f1 100%);
    overflow: hidden;
}

.tool-content::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(15, 118, 110, 0.07) 1px, transparent 1px);
    background-size: 22px 22px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 85%);
    pointer-events: none;
    z-index: 0;
}

.tool-content__shell {
    position: relative;
    z-index: 1;
    max-width: var(--tc-wide);
    margin: 0 auto;
    font-family: var(--tc-sans);
    color: var(--tc-ink);
}

.tool-content__intro,
.tool-content__related {
    max-width: var(--tc-narrow);
    margin-left: auto;
    margin-right: auto;
}

.tool-content__intro {
    text-align: center;
    margin-bottom: clamp(2rem, 4vw, 3rem);
    padding: clamp(1.5rem, 3vw, 2.25rem);
    border-radius: calc(var(--tc-radius) + 6px);
    background: var(--tc-surface);
    border: 1px solid rgba(255, 255, 255, 0.9);
    box-shadow: 0 18px 50px rgba(21, 35, 31, 0.06);
    backdrop-filter: blur(10px);
}

.tool-content__intro > .tool-content__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin: 0 0 0.85rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background: var(--tc-accent-soft);
    color: var(--tc-accent);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    max-width: none;
    line-height: 1.2;
}

.tool-content__intro h2 {
    margin: 0 0 0.9rem;
    font-family: var(--tc-display);
    font-size: clamp(1.75rem, 3.6vw, 2.35rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.01em;
    color: var(--tc-ink);
    text-align: center;
}

.tool-content__intro > p:not(.tool-content__eyebrow) {
    margin: 0 auto;
    max-width: 38rem;
    color: var(--tc-muted);
    font-size: 1.0625rem;
    line-height: 1.8;
    font-weight: 400;
}

.tool-content__section,
.tool-content__faq {
    margin-bottom: 1.15rem;
    padding: clamp(1.35rem, 2.8vw, 2rem);
    border-radius: var(--tc-radius);
    background: var(--tc-surface);
    border: 1px solid rgba(255, 255, 255, 0.85);
    box-shadow: 0 10px 30px rgba(21, 35, 31, 0.04);
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}

.tool-content__section--wide,
.tool-content__faq.tool-content__section--wide {
    max-width: none;
    width: 100%;
}

.tool-content__section.is-visible,
.tool-content__faq.is-visible,
.tool-content__related.is-visible {
    opacity: 1;
    transform: none;
}

.tool-content__section h3,
.tool-content__faq > h3 {
    display: block;
    margin: 0 0 1rem;
    font-family: var(--tc-display);
    font-size: clamp(1.25rem, 2.3vw, 1.5rem);
    font-weight: 700;
    line-height: 1.35;
    color: var(--tc-ink);
}

.tool-content__section h4 {
    margin: 1.1rem 0 0.4rem;
    font-family: var(--tc-display);
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.4;
    color: var(--tc-ink);
}

.tool-content__section p,
.tool-content__copy p {
    margin: 0 0 0.85rem;
    color: var(--tc-muted);
    font-size: 1.0625rem;
    line-height: 1.8;
    font-weight: 400;
}

.tool-content__section p:last-child,
.tool-content__copy p:last-child {
    margin-bottom: 0;
}

.tool-content__section strong,
.tool-content__copy strong {
    color: var(--tc-ink);
    font-weight: 700;
}

.tool-content__section a,
.tool-content__copy a {
    color: var(--tc-accent);
    font-weight: 700;
    text-decoration: none;
    border-bottom: 1px solid rgba(15, 118, 110, 0.35);
    transition: color 0.2s ease, border-color 0.2s ease;
}

.tool-content__section a:hover,
.tool-content__copy a:hover {
    color: #115e59;
    border-bottom-color: #115e59;
}

.tool-content__media-row {
    display: grid;
    grid-template-columns: minmax(260px, 0.95fr) minmax(280px, 1.05fr);
    gap: clamp(1.25rem, 3vw, 2rem);
    align-items: start;
}

.tool-content__steps {
    display: grid;
    gap: 1rem;
    margin-top: 0.85rem;
}

.tool-content__step {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.85rem;
    align-items: start;
}

.tool-content__step-num {
    flex: 0 0 auto;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--tc-accent);
    color: #fff;
    font-family: var(--tc-sans);
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1;
    margin-top: 0.1rem;
}

.tool-content__step-body h4 {
    margin: 0 0 0.35rem;
    font-family: var(--tc-display);
    font-size: 1.12rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--tc-ink);
}

.tool-content__step-body p {
    margin: 0;
}

.tool-content__visual {
    margin: 0;
}

.tool-content__visual figcaption {
    margin-top: 0.65rem;
    color: var(--tc-muted);
    font-size: 0.82rem;
    font-weight: 600;
    text-align: center;
    line-height: 1.45;
}

.tc-browser {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    background: #fff;
    border: 1px solid rgba(15, 118, 110, 0.16);
    box-shadow: 0 16px 40px rgba(21, 35, 31, 0.1);
}

.tc-browser__bar {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.7rem 0.85rem;
    background: linear-gradient(180deg, #f8faf9, #eef5f3);
    border-bottom: 1px solid rgba(15, 118, 110, 0.1);
}

.tc-browser__bar > span {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #d1d5db;
}

.tc-browser__bar > span:nth-child(1) { background: #f87171; }
.tc-browser__bar > span:nth-child(2) { background: #fbbf24; }
.tc-browser__bar > span:nth-child(3) { background: #34d399; }

.tc-browser__url {
    flex: 1;
    margin-left: 0.45rem;
    padding: 0.4rem 0.7rem;
    border-radius: 999px;
    background: #fff;
    border: 2px solid #0f766e;
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
    min-width: 0;
}

.tc-browser__url em {
    display: block;
    font-style: normal;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--tc-accent);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tc-browser__body {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 0.85rem;
    padding: 1rem;
    background: linear-gradient(160deg, #f0fdfa, #fff);
    min-height: 150px;
}

.tc-browser__thumb {
    border-radius: 12px;
    background:
        linear-gradient(135deg, rgba(15, 118, 110, 0.2), rgba(14, 165, 233, 0.18)),
        repeating-linear-gradient(-45deg, rgba(255,255,255,0.35) 0 8px, transparent 8px 16px);
    border: 1px solid rgba(15, 118, 110, 0.12);
    min-height: 120px;
}

.tc-browser__lines {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.55rem;
}

.tc-browser__lines i {
    display: block;
    height: 10px;
    border-radius: 999px;
    background: rgba(15, 118, 110, 0.12);
}

.tc-browser__lines i:nth-child(1) { width: 92%; }
.tc-browser__lines i:nth-child(2) { width: 78%; }
.tc-browser__lines i:nth-child(3) { width: 64%; }

.tc-browser__tag {
    position: absolute;
    left: 1rem;
    bottom: 1rem;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    background: #0f766e;
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    box-shadow: 0 8px 18px rgba(15, 118, 110, 0.28);
}

.tc-browser__arrow {
    position: absolute;
    right: 0.4rem;
    top: 2.1rem;
    width: 78px;
    height: 42px;
    color: #db2777;
    pointer-events: none;
}

.tc-browser--favicon .tc-browser__body {
    grid-template-columns: 88px 1fr;
    align-items: center;
}

.tc-browser__icon {
    width: 72px;
    height: 72px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    background: linear-gradient(145deg, #0f766e, #14b8a6);
    color: #fff;
    font-family: var(--tc-display);
    font-size: 1.55rem;
    font-weight: 700;
    box-shadow: 0 10px 24px rgba(15, 118, 110, 0.28);
}

.tool-content__checks {
    list-style: none;
    margin: 0.35rem 0 0;
    padding: 0;
    display: grid;
    gap: 0.55rem;
}

.tool-content__checks li {
    position: relative;
    padding: 0.7rem 0.85rem 0.7rem 2.35rem;
    border-radius: 12px;
    background: rgba(238, 247, 245, 0.9);
    border: 1px solid var(--tc-line);
    color: var(--tc-ink);
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.45;
}

.tool-content__checks li::before {
    content: "";
    position: absolute;
    left: 0.85rem;
    top: 50%;
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    transform: translateY(-50%);
    background: var(--tc-accent);
    box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.12);
}

.tool-content__faq {
    margin-top: 0.35rem;
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.92), rgba(204, 251, 241, 0.35));
    border: 1px solid rgba(15, 118, 110, 0.12);
    box-shadow: 0 14px 40px rgba(21, 35, 31, 0.05);
}

.tool-content__faq details {
    border-top: 1px solid var(--tc-line);
}

.tool-content__faq details:last-child {
    border-bottom: 1px solid var(--tc-line);
}

.tool-content__faq summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 0.15rem;
    font-family: var(--tc-sans);
    font-size: 1.03rem;
    font-weight: 700;
    color: var(--tc-ink);
    line-height: 1.45;
}

.tool-content__faq summary::-webkit-details-marker {
    display: none;
}

.tool-content__faq summary::after {
    content: "+";
    flex: 0 0 auto;
    width: 1.6rem;
    height: 1.6rem;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--tc-accent-soft);
    color: var(--tc-accent);
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1;
    transition: transform 0.25s ease, background 0.2s ease, color 0.2s ease;
}

.tool-content__faq details[open] summary {
    color: var(--tc-accent);
}

.tool-content__faq details[open] summary::after {
    content: "–";
    background: var(--tc-accent);
    color: #fff;
    transform: rotate(180deg);
}

.tool-content__faq details p {
    margin: 0 0 1rem;
    padding-right: 2rem;
    color: var(--tc-muted);
    font-size: 1.03rem;
    line-height: 1.8;
    font-weight: 400;
}

.tool-content__related {
    text-align: center;
    margin-top: 1.5rem;
    padding: clamp(1.25rem, 2.5vw, 1.75rem);
    border-radius: var(--tc-radius);
    background: #12352f;
    color: #ecfdf8;
    box-shadow: 0 18px 45px rgba(18, 53, 47, 0.25);
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}

.tool-content__related h3 {
    margin: 0 0 0.35rem;
    font-family: var(--tc-display);
    font-size: clamp(1.3rem, 2.4vw, 1.55rem);
    font-weight: 700;
    color: #fff;
}

.tool-content__related > p {
    margin: 0 0 1.1rem;
    color: rgba(236, 253, 248, 0.72);
    font-size: 0.95rem;
    line-height: 1.6;
    font-weight: 500;
}

.tool-content__related-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

.tool-content__related a {
    display: block;
    padding: 0.95rem 1rem;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #fff;
    text-decoration: none;
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.tool-content__related a:hover {
    transform: translateY(-2px);
    background: rgba(45, 212, 191, 0.16);
    border-color: rgba(45, 212, 191, 0.4);
}

.tool-content__related a strong {
    display: block;
    margin-bottom: 0.2rem;
    font-size: 0.95rem;
    font-weight: 700;
}

.tool-content__related a span {
    display: block;
    color: rgba(236, 253, 248, 0.65);
    font-size: 0.82rem;
    line-height: 1.45;
    font-weight: 500;
}

.tool-content__subgrid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.85rem;
    margin-top: 0.85rem;
}

.tool-content__chip {
    padding: 0.95rem 1rem;
    border-radius: 14px;
    background: rgba(238, 247, 245, 0.95);
    border: 1px solid var(--tc-line);
}

.tool-content__chip h4 {
    margin: 0 0 0.35rem;
    font-family: var(--tc-display);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--tc-ink);
}

.tool-content__chip p {
    margin: 0;
    font-size: 0.92rem;
}

@media (max-width: 900px) {
    .tool-content__media-row {
        grid-template-columns: 1fr;
    }

    .tc-browser__arrow {
        display: none;
    }
}

@media (max-width: 640px) {
    .tool-content__related-grid,
    .tool-content__subgrid {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .tool-content__section,
    .tool-content__faq,
    .tool-content__related {
        opacity: 1;
        transform: none;
        transition: none;
    }
}