/* ==========================================================================
   Snaptide /tools — standalone stylesheet
   Replicates the Snaptide visual language so the folder looks native on any
   site. All selectors are namespaced with .tools-* to avoid collisions with
   the host site.
   ========================================================================== */

:root {
    --tools-ink: #130339;
    --tools-purple: #584684;
    --tools-purple-2: #7A64B6;
    --tools-soft: #F7F4FF;
    --tools-white: #FFFFFF;
    --tools-muted: #6E6585;
    --tools-faint: #A49BC2;
    --tools-line: rgba(19, 3, 57, 0.08);
    --tools-line-strong: rgba(19, 3, 57, 0.16);
    --tools-shadow: 0 2px 20px rgba(19, 3, 57, 0.06);
    --tools-shadow-lg: 0 18px 44px rgba(19, 3, 57, 0.12);
    --tools-serif: "Instrument Serif", Georgia, serif;
    --tools-sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

/* ── Reset / base ── */
*, *::before, *::after { box-sizing: border-box; }
.tools-body {
    margin: 0;
    font-family: var(--tools-sans);
    font-size: 15px;
    line-height: 1.65;
    color: var(--tools-ink);
    background: var(--tools-soft);
    -webkit-font-smoothing: antialiased;
}
.tools-body img { max-width: 100%; display: block; }
.tools-body a { color: inherit; text-decoration: none; }
.tools-body button { font: inherit; cursor: pointer; }
.tools-body h1, .tools-body h2, .tools-body h3 { font-weight: 400; letter-spacing: -0.02em; }

.tools-sr-only {
    position: absolute; width: 1px; height: 1px;
    margin: -1px; padding: 0; overflow: hidden;
    clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* Visible keyboard focus */
.tools-body :focus-visible {
    outline: 2px solid var(--tools-purple);
    outline-offset: 3px;
    border-radius: 6px;
}

/* ── Layout containers ── */
.tools-wrap { width: min(1060px, calc(100% - 40px)); margin: 0 auto; }
.tools-wrap-narrow { width: min(880px, calc(100% - 40px)); margin: 0 auto; }
.tools-wrap-tight { width: min(680px, calc(100% - 40px)); margin: 0 auto; }

/* ── Header ── */
.tools-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 20px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    background: transparent;
    transition: background .3s ease, box-shadow .3s ease, padding .3s ease;
}
.tools-header.is-scrolled {
    background: rgba(247, 244, 255, 0.92);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 rgba(19, 3, 57, 0.06);
    padding-top: 14px;
    padding-bottom: 14px;
}
.tools-brand img { height: 46px; width: auto; display: block; }
.tools-nav {
    display: flex;
    align-items: center;
    gap: 26px;
    margin-left: 40px;
}
.tools-nav a {
    position: relative;
    font-size: 13px;
    font-weight: 500;
    color: var(--tools-ink);
    opacity: .85;
    padding: 4px 0;
    transition: opacity .2s;
}
.tools-nav a::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 1.5px;
    background: var(--tools-purple);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .25s ease;
}
.tools-nav a:hover { opacity: 1; }
.tools-nav a:hover::after { transform: scaleX(1); }

.tools-header-right { display: flex; align-items: center; gap: 14px; }

.tools-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
}
.tools-menu-toggle span {
    width: 22px; height: 2px;
    background: var(--tools-ink);
    border-radius: 2px;
    transition: transform .25s, opacity .25s;
}
.tools-menu-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.tools-menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.tools-menu-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.tools-mobile-nav {
    display: none;
    position: fixed;
    top: 84px; left: 16px; right: 16px;
    z-index: 99;
    background: var(--tools-white);
    border-radius: 20px;
    box-shadow: var(--tools-shadow-lg);
    border: 1px solid var(--tools-line);
    padding: 12px;
}
.tools-mobile-nav a {
    display: block;
    padding: 13px 16px;
    font-size: 15px;
    color: var(--tools-ink);
    border-radius: 12px;
}
.tools-mobile-nav a:hover { background: var(--tools-soft); }
.tools-mobile-nav a.tools-cta-mobile {
    margin-top: 6px;
    text-align: center;
    justify-content: center;
}

/* ── Buttons ── */
.tools-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid transparent;
    transition: all .2s;
}
.tools-btn-primary { background: var(--tools-ink); color: var(--tools-soft); }
.tools-btn-primary:hover { opacity: .85; }
.tools-btn-ghost { border-color: var(--tools-line-strong); color: var(--tools-ink); background: transparent; }
.tools-btn-ghost:hover { border-color: var(--tools-ink); }
.tools-btn-purple { background: var(--tools-purple); color: #fff; }
.tools-btn-purple:hover { opacity: .9; }
.tools-btn-sm { padding: 8px 16px; font-size: 13px; }
.tools-btn[disabled] { opacity: .5; cursor: not-allowed; }

.tools-cta { background: var(--tools-ink); color: var(--tools-soft); font-size: 13px; padding: 10px 22px; }
.tools-cta:hover { opacity: .85; }

/* ── Breadcrumb ── */
.tb-crumb { margin: 0 0 18px; }
.tb-crumb ol {
    list-style: none;
    margin: 0; padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    font-size: 12.5px;
    color: var(--tools-muted);
}
.tb-crumb li { display: inline-flex; align-items: center; gap: 6px; }
.tb-crumb li + li::before { content: '/'; color: var(--tools-faint); }
.tb-crumb a { color: var(--tools-purple); }
.tb-crumb a:hover { text-decoration: underline; }
.tb-crumb span { color: var(--tools-ink); font-weight: 500; }

/* ── Landing hero ── */
.tools-hero {
    padding: 168px 24px 56px;
    text-align: center;
    position: relative;
}
.tools-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(600px 240px at 20% 0%, rgba(122, 100, 182, 0.10), transparent 60%),
        radial-gradient(700px 260px at 85% 10%, rgba(19, 3, 57, 0.06), transparent 55%);
    pointer-events: none;
}
.tools-hero > * { position: relative; }
.tools-hero .tools-eyebrow {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 14px;
    border-radius: 999px;
    border: 1px solid rgba(88, 70, 132, 0.3);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--tools-purple);
    margin-bottom: 18px;
}
.tools-hero h1 {
    font-family: var(--tools-serif);
    font-size: clamp(40px, 6vw, 68px);
    line-height: 1.02;
    margin: 0 auto;
    max-width: 820px;
    color: var(--tools-ink);
}
.tools-hero h1 em { font-style: italic; color: var(--tools-purple-2); }
.tools-hero p.lede {
    font-size: clamp(15px, 1.6vw, 17px);
    color: var(--tools-muted);
    margin: 18px auto 0;
    max-width: 560px;
    line-height: 1.7;
}

.tools-search {
    position: relative;
    max-width: 520px;
    margin: 34px auto 0;
}
.tools-search svg {
    position: absolute;
    left: 18px; top: 50%;
    transform: translateY(-50%);
    color: var(--tools-muted);
    pointer-events: none;
}
.tools-search input {
    width: 100%;
    padding: 15px 18px 15px 48px;
    font-size: 15px;
    font-family: var(--tools-sans);
    color: var(--tools-ink);
    background: var(--tools-white);
    border: 1px solid var(--tools-line-strong);
    border-radius: 999px;
    box-shadow: var(--tools-shadow);
    transition: border-color .2s, box-shadow .2s;
}
.tools-search input::placeholder { color: var(--tools-faint); }
.tools-search input:focus {
    outline: none;
    border-color: var(--tools-purple);
    box-shadow: 0 0 0 4px rgba(88, 70, 132, 0.12);
}

/* ── Landing sections / cards ── */
.tools-section { padding: 8px 0 64px; }
.tools-section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin: 0 0 8px;
}
.tools-section-head h2 {
    font-family: var(--tools-serif);
    font-size: clamp(26px, 3.2vw, 38px);
    color: var(--tools-ink);
    margin: 0;
}
.tools-section-head .count { font-size: 13px; color: var(--tools-faint); white-space: nowrap; }
.tools-section > .tools-wrap-narrow > p.cat-intro {
    margin: 0 0 22px;
    color: var(--tools-muted);
    font-size: 14px;
    max-width: 640px;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.tools-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: var(--tools-white);
    border: 1px solid var(--tools-line);
    border-radius: 20px;
    padding: 22px 20px 20px;
    box-shadow: var(--tools-shadow);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    min-height: 0;
}
.tools-card:hover {
    transform: translateY(-4px);
    border-color: rgba(88, 70, 132, 0.35);
    box-shadow: var(--tools-shadow-lg);
}
.tools-card .tools-card-icon {
    width: 44px; height: 44px;
    border-radius: 14px;
    background: var(--tools-soft);
    color: var(--tools-purple);
    display: grid;
    place-items: center;
    flex: 0 0 auto;
}
.tools-card .tools-card-cat {
    position: absolute;
    top: 20px; right: 20px;
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--tools-faint);
    background: var(--tools-soft);
    padding: 4px 10px;
    border-radius: 999px;
}
.tools-card h3 {
    font-size: 17px;
    margin: 2px 0 0;
    color: var(--tools-ink);
    padding-right: 40px;
}
.tools-card p {
    margin: 0;
    font-size: 13.5px;
    color: var(--tools-muted);
    line-height: 1.55;
    flex: 1;
}
.tools-card .tools-card-go {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--tools-purple);
}
.tools-card .tools-card-go:hover { text-decoration: underline; }

.tools-none {
    display: none;
    text-align: center;
    padding: 40px 0;
    color: var(--tools-muted);
}
.tools-none.show { display: block; }

/* ── Sub-page hero ── */
.tools-sub-hero {
    padding: 150px 24px 36px;
    background:
        radial-gradient(520px 220px at 12% -10%, rgba(122, 100, 182, 0.10), transparent 60%),
        radial-gradient(560px 240px at 92% -20%, rgba(19, 3, 57, 0.05), transparent 55%);
}
.tools-sub-hero h1 {
    font-family: var(--tools-serif);
    font-size: clamp(34px, 4.6vw, 54px);
    line-height: 1.05;
    margin: 0;
    color: var(--tools-ink);
}
.tools-sub-hero .lede {
    margin: 14px 0 0;
    font-size: 16px;
    color: var(--tools-muted);
    max-width: 640px;
    line-height: 1.7;
}

/* ── Tool interface ── */
.tools-tool { padding: 8px 0 72px; }
.tool-ui {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
    gap: 18px;
    align-items: start;
}
.tools-panel {
    background: var(--tools-white);
    border: 1px solid var(--tools-line);
    border-radius: 20px;
    box-shadow: var(--tools-shadow);
    padding: 24px;
}
.tools-panel h2 {
    font-family: var(--tools-serif);
    font-size: 24px;
    margin: 0 0 16px;
    color: var(--tools-ink);
}
.tools-panel h3.panel-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--tools-faint);
    margin: 0 0 14px;
}

/* Form fields */
.tf { margin-bottom: 16px; }
.tf label {
    display: block;
    font-size: 12.5px;
    font-weight: 500;
    color: var(--tools-muted);
    margin-bottom: 6px;
}
.tf .tf-input-wrap { position: relative; }
.tf input[type="text"],
.tf input[type="number"],
.tf input[type="email"],
.tf input[type="date"],
.tf select,
.tf textarea {
    width: 100%;
    padding: 11px 13px;
    font-size: 16px;
    font-family: var(--tools-sans);
    color: var(--tools-ink);
    background: #fff;
    border: 1px solid var(--tools-line-strong);
    border-radius: 10px;
    transition: border-color .2s, box-shadow .2s;
}
.tf textarea { resize: vertical; min-height: 90px; }
.tf input:focus, .tf select:focus, .tf textarea:focus {
    outline: none;
    border-color: var(--tools-purple);
    box-shadow: 0 0 0 4px rgba(88, 70, 132, 0.12);
}
.tf input::placeholder, .tf textarea::placeholder { color: var(--tools-faint); }
.tf select { -webkit-appearance: none; appearance: none; }
.tf .tf-suffix {
    position: absolute;
    right: 12px; top: 50%;
    transform: translateY(-50%);
    font-size: 13px;
    color: var(--tools-faint);
    pointer-events: none;
}
.tf .tf-hint { font-size: 12px; color: var(--tools-faint); margin-top: 5px; line-height: 1.5; }
.tf .tf-err {
    display: none;
    font-size: 12.5px;
    color: #b3261e;
    margin-top: 5px;
}
.tf.has-error .tf-err { display: block; }
.tf.has-error input, .tf.has-error select { border-color: #b3261e; }

.tf-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}
.tf-row-3 { grid-template-columns: 1fr 1fr 1fr; }

/* preset chips */
.presets { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.preset-chip {
    padding: 7px 13px;
    font-size: 12.5px;
    font-weight: 500;
    color: var(--tools-purple);
    background: var(--tools-soft);
    border: 1px solid rgba(88, 70, 132, 0.2);
    border-radius: 999px;
    transition: all .15s;
}
.preset-chip:hover { border-color: var(--tools-purple); }
.preset-chip.is-active {
    background: var(--tools-purple);
    color: #fff;
    border-color: var(--tools-purple);
}

/* unit toggle */
.unit-toggle {
    display: inline-flex;
    border: 1px solid var(--tools-line-strong);
    border-radius: 999px;
    padding: 3px;
    background: var(--tools-soft);
}
.unit-toggle button {
    border: 0;
    background: transparent;
    padding: 5px 12px;
    font-size: 12.5px;
    font-weight: 500;
    color: var(--tools-muted);
    border-radius: 999px;
}
.unit-toggle button.is-active { background: #fff; color: var(--tools-ink); box-shadow: 0 1px 3px rgba(19,3,57,.12); }

/* results */
.results[aria-live] { min-height: 40px; }
.tr-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 16px;
    padding: 11px 0;
    border-bottom: 1px solid var(--tools-line);
}
.tr-row:last-child { border-bottom: 0; }
.tr-row .tr-label { font-size: 13.5px; color: var(--tools-muted); }
.tr-row .tr-value { font-size: 15px; font-weight: 500; color: var(--tools-ink); text-align: right; }
.tr-hero {
    display: block;
    background: var(--tools-soft);
    border-radius: 14px;
    padding: 18px;
    margin-bottom: 14px;
    border: 1px solid rgba(88,70,132,.14);
}
.tr-hero .tr-label { display: block; font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--tools-purple); margin-bottom: 4px; }
.tr-hero .tr-value { font-size: clamp(24px, 3vw, 30px); font-weight: 500; letter-spacing: -0.02em; }
.tr-hero .tr-note { font-size: 12.5px; color: var(--tools-muted); margin-top: 4px; }

.results-title {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--tools-faint);
    margin: 0 0 6px;
}

/* table-style multi outputs */
.tools-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}
.tools-table th, .tools-table td {
    text-align: left;
    padding: 9px 10px;
    border-bottom: 1px solid var(--tools-line);
    vertical-align: top;
}
.tools-table th { color: var(--tools-faint); font-weight: 500; font-size: 12px; letter-spacing: .04em; }
.tools-table td:last-child { color: var(--tools-ink); font-weight: 500; }

/* status / error region */
.tools-status {
    margin-top: 14px;
    font-size: 13.5px;
    color: var(--tools-muted);
}
.tools-status.error { color: #b3261e; }

/* dropzone */
.dropzone {
    border: 1.5px dashed var(--tools-line-strong);
    border-radius: 16px;
    padding: 30px 20px;
    text-align: center;
    color: var(--tools-muted);
    cursor: pointer;
    transition: all .2s;
    background: #fff;
}
.dropzone:hover { border-color: var(--tools-purple); }
.dropzone.is-dragover {
    border-color: var(--tools-purple);
    background: var(--tools-soft);
    color: var(--tools-purple);
}
.dropzone .dz-icon { color: var(--tools-purple); margin-bottom: 8px; }
.dropzone strong { display: block; color: var(--tools-ink); font-weight: 500; }
.dropzone small { font-size: 12.5px; }

.img-stage { margin-top: 16px; }
.img-stage img {
    border-radius: 12px;
    border: 1px solid var(--tools-line);
    max-height: 420px;
    width: auto;
    margin: 0 auto;
    background: #fff;
}
.img-stage .stage-info {
    margin-top: 10px;
    font-size: 12.5px;
    color: var(--tools-muted);
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}
.stage-badge {
    background: var(--tools-soft);
    color: var(--tools-purple);
    border-radius: 999px;
    padding: 3px 10px;
    font-size: 11.5px;
}

/* range slider */
.range-row { display: flex; align-items: center; gap: 14px; }
.range-row input[type="range"] { flex: 1; accent-color: var(--tools-purple); }
.range-row output { font-weight: 500; min-width: 52px; text-align: right; }

/* canvas crop area */
.crop-stage { position: relative; overflow: hidden; }
.crop-stage .crop-box {
    position: absolute;
    border: 1.5px solid #fff;
    outline: 1px solid rgba(0,0,0,.4);
    box-shadow: 0 0 0 9999px rgba(19,3,57,.45);
    cursor: move;
    touch-action: none;
}

/* ── Callouts / notes / privacy ── */
.tools-privacy-note {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    background: var(--tools-soft);
    border: 1px solid rgba(88,70,132,.18);
    border-radius: 16px;
    padding: 14px 16px;
    font-size: 13.5px;
    color: var(--tools-muted);
    margin: 18px 0;
}
.tools-privacy-note .tools-privacy-note-icon {
    color: var(--tools-purple);
    flex: 0 0 auto;
    margin-top: 2px;
}
.tools-privacy-note strong { color: var(--tools-ink); font-weight: 600; }
.tools-note { font-size: 13px; color: var(--tools-muted); }
.tools-callout {
    background: var(--tools-white);
    border: 1px solid var(--tools-line);
    border-left: 3px solid var(--tools-purple);
    border-radius: 12px;
    padding: 16px 18px;
    margin: 18px 0;
}
.tools-callout h3 { font-size: 15px; margin: 0 0 4px; }
.tools-callout p { margin: 0; font-size: 14px; color: var(--tools-muted); line-height: 1.6; }

/* ── SEO content / prose ── */
.tools-content { padding: 12px 0 0; }
.tools-content h2 {
    font-family: var(--tools-serif);
    font-size: clamp(24px, 3vw, 32px);
    margin: 40px 0 12px;
    color: var(--tools-ink);
    scroll-margin-top: 100px;
}
.tools-content h3 { font-size: 19px; margin: 28px 0 8px; color: var(--tools-ink); }
.tools-content p { margin: 0 0 14px; color: var(--tools-muted); line-height: 1.75; font-size: 15px; }
.tools-content ul, .tools-content ol { margin: 0 0 16px; padding-left: 22px; color: var(--tools-muted); line-height: 1.75; }
.tools-content li { margin-bottom: 6px; }
.tools-content strong { color: var(--tools-ink); font-weight: 600; }
.tools-content a { color: var(--tools-purple); }
.tools-content a:hover { text-decoration: underline; }

.tools-formula {
    background: var(--tools-white);
    border: 1px solid var(--tools-line);
    border-radius: 12px;
    padding: 14px 18px;
    margin: 14px 0;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 14px;
    color: var(--tools-ink);
    overflow-x: auto;
    white-space: nowrap;
}
.tools-formula small { color: var(--tools-faint); font-family: var(--tools-sans); }

.tools-example {
    background: var(--tools-soft);
    border: 1px solid rgba(88,70,132,.14);
    border-radius: 14px;
    padding: 16px 18px;
    margin: 16px 0;
    font-size: 14px;
    color: var(--tools-muted);
    line-height: 1.7;
}
.tools-example strong { color: var(--tools-ink); }

/* FAQ (tool pages reuse site FAQ look) */
.tools-faq { margin: 16px 0 0; }
.tools-faq-list { margin-top: 18px; }
.faq-item {
    background: var(--tools-white);
    border-radius: 18px;
    box-shadow: var(--tools-shadow);
    margin-bottom: 12px;
    overflow: hidden;
    border: 1px solid var(--tools-line);
}
.faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 18px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-size: 15.5px;
    font-weight: 500;
    color: var(--tools-ink);
    transition: background .2s;
}
.faq-item summary:hover { background: var(--tools-soft); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; flex-shrink: 0; font-size: 20px; color: var(--tools-purple); }
.faq-item details[open] summary::after { content: '\2212'; }
.faq-item .faq-a { padding: 0 22px 20px; font-size: 14px; color: var(--tools-muted); line-height: 1.7; }
.faq-item .faq-a p { margin: 0; }

/* ── Related tools ── */
.tools-related { margin: 48px 0 0; }
.tools-related h2 {
    font-family: var(--tools-serif);
    font-size: 26px;
    margin: 0 0 16px;
    color: var(--tools-ink);
}
.tools-related-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.tools-related-chip {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 9px 14px;
    border-radius: 999px;
    background: var(--tools-white);
    border: 1px solid var(--tools-line-strong);
    font-size: 13.5px;
    font-weight: 500;
    color: var(--tools-ink);
    transition: all .18s;
}
.tools-related-chip:hover { border-color: var(--tools-purple); background: var(--tools-soft); }
.tools-related-icon { color: var(--tools-purple); display: inline-flex; }

/* ── Footer ── */
.tools-footer {
    border-top: 1px solid rgba(19, 3, 57, 0.07);
    padding: 40px 24px 36px;
    background: #fff;
}
.tools-footer-top {
    width: min(1060px, calc(100% - 0px));
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}
.tools-footer-brand img { height: 36px; width: auto; }
.tools-footer-tag { margin: 6px 0 0; font-size: 13px; color: var(--tools-muted); }
.tools-footer-links { display: flex; gap: 18px; flex-wrap: wrap; font-size: 13px; }
.tools-footer-links a { color: var(--tools-muted); transition: color .2s; }
.tools-footer-links a:hover { color: var(--tools-ink); }
.tools-footer-bottom {
    width: min(1060px, calc(100% - 0px));
    margin: 26px auto 0;
    padding-top: 18px;
    border-top: 1px solid var(--tools-line);
    font-size: 12.5px;
    color: var(--tools-faint);
}

/* ── Responsive ── */
@media (max-width: 960px) {
    .tools-grid { grid-template-columns: repeat(2, 1fr); }
    .tool-ui { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
    .tools-header { padding: 16px 20px; }
    .tools-header.is-scrolled { padding-top: 12px; padding-bottom: 12px; }
    .tools-brand img { height: 36px; }
    .tools-nav { display: none; }
    .tools-menu-toggle { display: flex; }
    .tools-mobile-nav.show { display: block; }
    .tools-mobile-nav { top: 76px; }
    .tools-hero { padding: 130px 20px 44px; }
    .tools-sub-hero { padding: 128px 20px 30px; }
    .tools-grid { grid-template-columns: 1fr; }
    .tf-row, .tf-row-3 { grid-template-columns: 1fr; }
    .tools-footer-top { flex-direction: column; align-items: flex-start; }
    .tools-panel { padding: 18px; }
}

@media (max-width: 460px) {
    .tools-cta { display: none; }
    .tools-wrap, .tools-wrap-narrow, .tools-wrap-tight { width: calc(100% - 28px); }
}

/* range/slider thumb consistency */
input[type="range"] { -webkit-appearance: none; appearance: auto; height: 26px; }

/* ── Snaptide intro modal ── */
.st-intro-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.st-intro-overlay[hidden] { display: none; }
.st-intro-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(19, 3, 57, 0.5);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}
.st-intro-card {
    position: relative;
    width: min(480px, 100%);
    max-height: calc(100vh - 40px);
    overflow: auto;
    background: var(--tools-soft);
    border-radius: 22px;
    padding: 30px 28px 26px;
    text-align: center;
    box-shadow: var(--tools-shadow-lg);
    border: 1px solid rgba(19, 3, 57, 0.08);
    opacity: 0;
    transform: translateY(12px) scale(0.98);
    transition: opacity .22s ease, transform .22s ease;
}
.st-intro-overlay.is-open .st-intro-card { opacity: 1; transform: none; }
.st-intro-close {
    position: absolute;
    top: 14px; right: 14px;
    width: 32px; height: 32px;
    border-radius: 50%;
    background: #fff;
    color: var(--tools-muted);
    font-size: 20px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--tools-line);
    transition: background .2s, color .2s;
}
.st-intro-close:hover { background: #e6e0f2; color: var(--tools-ink); }
.st-intro-logo {
    height: 46px;
    width: auto;
    margin: 0 auto 16px;
}
.st-intro-title {
    font-family: var(--tools-serif);
    font-size: 30px;
    margin: 0 0 8px;
    color: var(--tools-ink);
}
.st-intro-text {
    font-size: 14.5px;
    line-height: 1.7;
    color: var(--tools-muted);
    margin: 0;
}
.st-intro-list {
    list-style: none;
    padding: 0;
    margin: 18px auto 22px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: fit-content;
    text-align: left;
}
.st-intro-list li {
    position: relative;
    padding-left: 26px;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--tools-ink);
}
.st-intro-list li::before {
    content: '';
    position: absolute;
    left: 0; top: 3px;
    width: 17px; height: 17px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23584684' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / contain no-repeat;
}
.st-intro-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.st-intro-actions .tools-btn { width: 100%; }
.st-intro-actions a.tools-btn-primary { color: #FFFFFF; }
.st-intro-skip { color: var(--tools-muted); }

@media (max-width: 460px) {
    .st-intro-card { padding: 26px 20px 22px; }
}
@media (prefers-reduced-motion: reduce) {
    .st-intro-card { transition: none; }
}

/* ── Snaptide subtle ad banner (under the hero) ── */
.st-ad {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px 14px;
    width: fit-content;
    max-width: 100%;
    margin: 0 auto 22px;
    padding: 9px 18px;
    background: #fff;
    border: 1px solid var(--tools-line);
    border-radius: 999px;
    box-shadow: var(--tools-shadow);
}
.st-ad-eyebrow {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--tools-purple);
    white-space: nowrap;
}
.st-ad-text {
    font-size: 13.5px;
    color: var(--tools-muted);
    text-align: center;
}
.st-ad-link {
    font-size: 13.5px;
    font-weight: 500;
    color: var(--tools-purple);
    white-space: nowrap;
}
.st-ad-link:hover { text-decoration: underline; }