/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  /* "Tempered steel" palette — a forge takes raw material and refines it
     through heat; the accent pair (ember/steel) echoes the color a
     blacksmith reads off hot metal as it's worked. */
  --bg: #f0ede3;
  --bg-elevated: #ffffff;
  --bg-sunken: #e7e2d3;
  --text: #211c16;
  --text-muted: #6b6252;
  --border: #ddd5c1;
  --border-strong: #c1b79f;

  --accent: #c2410c;
  --accent-hover: #9a3409;
  --accent-bright: #ff7a33;
  --accent-contrast: #ffffff;
  --accent-soft: #fbe6d8;

  --steel: #2f5b76;
  --steel-hover: #24485f;
  --steel-bright: #5b93b3;
  --steel-soft: #e2edf1;

  --success: #3f6b4a;
  --success-soft: #e6efe4;
  --danger: #a3392b;
  --danger-soft: #f8e7e1;
  --warning: #8a5d16;
  --warning-soft: #f4e8cb;

  --ad-bg: #eae4d4;
  --ad-border: #c9bea3;
  --ad-text: #8f8570;

  --gradient-temper: linear-gradient(90deg, #f2c14e 0%, var(--accent-bright) 48%, var(--steel-bright) 100%);

  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --display: "Archivo", var(--sans);
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --gutter: clamp(1rem, 4vw, 2rem);
  --container: 1180px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --shadow-sm: 0 1px 2px rgba(33, 28, 22, 0.09);
  --shadow-md: 0 6px 18px rgba(33, 28, 22, 0.10);
  --shadow-lg: 0 20px 48px rgba(20, 16, 11, 0.28);

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1712;
    --bg-elevated: #241e17;
    --bg-sunken: #15110d;
    --text: #f2ede1;
    --text-muted: #ab9e89;
    --border: #382f23;
    --border-strong: #4c4132;

    --accent: #ff8a4d;
    --accent-hover: #ffa06b;
    --accent-bright: #ff8a4d;
    --accent-contrast: #1b1712;
    --accent-soft: rgba(255, 138, 77, 0.15);

    --steel: #7fb0cf;
    --steel-hover: #99c1db;
    --steel-bright: #7fb0cf;
    --steel-soft: rgba(127, 176, 207, 0.15);

    --success: #8bc39a;
    --success-soft: rgba(139, 195, 154, 0.12);
    --danger: #e0897a;
    --danger-soft: rgba(224, 137, 122, 0.12);
    --warning: #dbb968;
    --warning-soft: rgba(219, 185, 104, 0.12);

    --ad-bg: #1f1a14;
    --ad-border: #3a3025;
    --ad-text: #7d7361;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.55);
    color-scheme: dark;
  }
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.1; letter-spacing: -0.005em; font-family: var(--display); font-weight: 800; }
ul { list-style: none; padding: 0; }
::selection { background: var(--accent); color: var(--accent-contrast); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* =============================================================
   3. Utilities
   ============================================================= */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; top: -100px; left: 1rem;
  padding: .6rem 1rem; background: var(--accent); color: var(--accent-contrast);
  z-index: 9999; border-radius: var(--radius-sm); font-weight: 600;
  transition: top .2s var(--ease-out);
}
.skip-link:focus { top: 1rem; }
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: clamp(2.5rem, 6vw, 4.5rem); }
.section-head { max-width: 62ch; margin-bottom: clamp(1.5rem, 3vw, 2.5rem); }
.section-head h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin-bottom: .5rem; }
.section-head p { color: var(--text-muted); font-size: 1.05rem; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .4rem;
  font-family: var(--mono); font-size: .76rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  color: var(--accent); margin-bottom: .6rem;
}

/* =============================================================
   4. Header / nav
   ============================================================= */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  border-bottom: 1px solid var(--border);
}
.site-header::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient-temper);
}
@supports not (backdrop-filter: blur(1px)) {
  .site-header { background: var(--bg); }
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; gap: 1rem;
}
.logo {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--display); font-weight: 700; font-size: 1.15rem;
}
.logo-mark {
  width: 30px; height: 30px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent-bright), var(--steel));
  display: grid; place-items: center; color: #fff; flex: none;
}
.main-nav { display: flex; gap: 1.4rem; }
.main-nav a {
  font-family: var(--mono); font-size: .82rem; font-weight: 600; letter-spacing: .01em;
  color: var(--text-muted); transition: color .2s var(--ease-out);
}
.main-nav a:hover { color: var(--accent); }
.nav-toggle { display: none; }

@media (max-width: 719px) {
  .main-nav {
    position: fixed; inset: 64px 0 auto 0; flex-direction: column;
    background: var(--bg-elevated); border-bottom: 1px solid var(--border);
    padding: 1rem var(--gutter) 1.4rem; gap: .9rem;
    transform: translateY(-8px); opacity: 0; pointer-events: none;
    transition: transform .22s var(--ease-out), opacity .22s var(--ease-out);
  }
  .main-nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-toggle {
    display: inline-flex; flex-direction: column; gap: 4px; padding: .5rem;
  }
  .nav-toggle span { width: 20px; height: 2px; background: currentColor; border-radius: 2px; }
}

/* =============================================================
   5. Ad slots
   ============================================================= */
.ad-slot {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: .2rem; background: var(--ad-bg); border: 1px dashed var(--ad-border);
  border-radius: var(--radius-sm); color: var(--ad-text);
  font-family: var(--mono); font-size: .72rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  margin-inline: auto;
}
.ad-slot .ad-slot-size { font-size: .65rem; font-weight: 500; letter-spacing: normal; text-transform: none; }
.ad-slot--leaderboard { width: 100%; max-width: 728px; height: 90px; margin-block: .85rem; }
.ad-slot--sidebar { width: 300px; height: 600px; }
.ad-slot--inline { width: 300px; height: 250px; margin-block: 1.1rem; }
.ad-slot--square { width: 260px; height: 220px; margin-block: 1rem; }
.ad-slot--sticky { width: 320px; height: 50px; }

@media (max-width: 539px) {
  .ad-slot--inline { width: 100%; max-width: 300px; }
}

/* =============================================================
   6. Hero
   ============================================================= */
.hero { padding-block: clamp(2.2rem, 6vw, 3.6rem) 1.2rem; text-align: center; position: relative; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(color-mix(in srgb, var(--border) 65%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--border) 65%, transparent) 1px, transparent 1px);
  background-size: 34px 34px;
  background-position: center top;
  -webkit-mask-image: linear-gradient(to bottom, black, transparent 88%);
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}
.hero h1 {
  font-size: clamp(1.9rem, 4.4vw, 3.1rem);
  max-width: 22ch; margin-inline: auto;
}
.hero .lede {
  margin: 1rem auto 0; max-width: 56ch; color: var(--text-muted); font-size: 1.1rem;
}
.trust-row {
  display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem .9rem;
  margin-top: 1.4rem; font-family: var(--mono); font-size: .82rem; color: var(--text-muted); font-weight: 600;
}
.trust-row span { display: inline-flex; align-items: center; gap: .35rem; }
.trust-row svg { width: 16px; height: 16px; color: var(--steel); flex: none; }

/* =============================================================
   7. Tool layout + switcher
   ============================================================= */
.workspace {
  display: grid; grid-template-columns: 1fr; gap: 1.6rem;
  align-items: start; padding-block: 1rem 0;
}
.tool-switcher-wrap { min-width: 0; }
@media (min-width: 1280px) {
  .workspace { grid-template-columns: minmax(0, 1fr) 300px; }
  .sidebar-ad { position: sticky; top: 84px; }
}
@media (max-width: 1279px) {
  .sidebar-ad { display: none; }
}

.tool-switcher { border: 0; padding: 0; min-width: 0; }
.tab-labels {
  display: flex; flex-wrap: nowrap; gap: 0; overflow-x: auto; scrollbar-width: none;
  padding: 0; background: transparent; border: 0; border-bottom: 1px solid var(--border);
  border-radius: 0; margin-bottom: 1.3rem;
}
.tab-labels::-webkit-scrollbar { display: none; }
.tab-labels label {
  flex: 1 1 auto; text-align: center; padding: .8rem .55rem;
  border-radius: 0; font-family: var(--mono); font-weight: 600; font-size: .78rem;
  letter-spacing: .01em; text-transform: uppercase;
  color: var(--text-muted); cursor: pointer; user-select: none;
  transition: color .2s var(--ease-out), box-shadow .2s var(--ease-out);
  white-space: nowrap;
  box-shadow: inset 0 -2px 0 transparent;
}
.tab-labels label:hover { color: var(--text); }

.tool-switcher input[type="radio"] {
  position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none;
}
.tool-panel { display: none; }

#tab-comprimir:checked ~ .tool-panels #panel-comprimir,
#tab-convertir:checked ~ .tool-panels #panel-convertir,
#tab-pdf:checked ~ .tool-panels #panel-pdf,
#tab-exif:checked ~ .tool-panels #panel-exif { display: block; animation: panelIn .25s var(--ease-out); }

#tab-comprimir:checked ~ .tab-labels label[for="tab-comprimir"],
#tab-convertir:checked ~ .tab-labels label[for="tab-convertir"],
#tab-pdf:checked ~ .tab-labels label[for="tab-pdf"],
#tab-exif:checked ~ .tab-labels label[for="tab-exif"] {
  color: var(--accent); box-shadow: inset 0 -2px 0 var(--accent);
}

@keyframes panelIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .tool-panel { animation: none !important; }
}

.tool-panel h2 { font-size: clamp(1.3rem, 2.6vw, 1.7rem); margin-bottom: .4rem; }
.tool-panel > .tool-intro { color: var(--text-muted); max-width: 62ch; margin-bottom: 1.1rem; }

/* PDF sub-switcher (unir / comprimir) reuses .tab-labels + .tool-panel */
.pdf-mode-switcher { margin-top: .3rem; }
.pdf-mode-switcher input[type="radio"] {
  position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none;
}
.pdf-mode-switcher .tab-labels { max-width: 360px; }
#pdf-mode-merge:checked ~ .pdf-mode-panels #pdf-panel-merge,
#pdf-mode-compress:checked ~ .pdf-mode-panels #pdf-panel-compress { display: block; animation: panelIn .25s var(--ease-out); }
#pdf-mode-merge:checked ~ .tab-labels label[for="pdf-mode-merge"],
#pdf-mode-compress:checked ~ .tab-labels label[for="pdf-mode-compress"] {
  color: var(--accent); box-shadow: inset 0 -2px 0 var(--accent);
}

/* =============================================================
   8. Tool card
   ============================================================= */
.tool-card {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: clamp(1.1rem, 3vw, 1.8rem);
  box-shadow: var(--shadow-md);
  position: relative;
}
/* Registration-mark corners — a quiet nod to the precision-instrument feel */
.tool-card::before, .tool-card::after {
  content: ""; position: absolute; width: 14px; height: 14px; pointer-events: none; opacity: .55;
}
.tool-card::before { top: -1px; left: -1px; border-top: 2px solid var(--border-strong); border-left: 2px solid var(--border-strong); border-top-left-radius: 3px; }
.tool-card::after { bottom: -1px; right: -1px; border-bottom: 2px solid var(--border-strong); border-right: 2px solid var(--border-strong); border-bottom-right-radius: 3px; }
.dropzone {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: .6rem; text-align: center; padding: clamp(1.6rem, 5vw, 2.6rem) 1rem;
  border: 2px dashed var(--border-strong); border-radius: var(--radius-md);
  cursor: pointer; transition: border-color .2s var(--ease-out), background .2s var(--ease-out);
}
.dropzone:hover, .dropzone.is-dragover {
  border-color: var(--accent); background: var(--accent-soft);
}
.dropzone svg { width: 34px; height: 34px; color: var(--accent); }
.dropzone strong { font-size: 1.02rem; }
.dropzone small { color: var(--text-muted); }
.dropzone .dz-file { font-family: var(--mono); font-size: .84rem; color: var(--accent); font-weight: 600; }
.dropzone input[type="file"] { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

.tool-controls { margin-top: 1.2rem; display: grid; gap: 1rem; }
.control-row { display: flex; flex-wrap: wrap; align-items: center; gap: .8rem; }
.control-row label.field-label {
  font-weight: 700; font-size: .9rem; min-width: 9rem;
}
.field-hint { font-size: .82rem; color: var(--text-muted); }

/* Quality sliders read like a blacksmith's temper-color chart: straw at
   low quality, through ember, to steel-blue at the highest quality. */
input[type="range"] {
  flex: 1 1 180px; height: 6px; cursor: pointer;
  -webkit-appearance: none; appearance: none; background: transparent;
}
input[type="range"]::-webkit-slider-runnable-track { height: 6px; border-radius: 99px; background: var(--gradient-temper); }
input[type="range"]::-moz-range-track { height: 6px; border-radius: 99px; background: var(--gradient-temper); }
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; width: 18px; height: 18px; border-radius: 50%;
  background: var(--bg-elevated); border: 3px solid var(--text); margin-top: -6px;
  box-shadow: var(--shadow-sm); cursor: pointer;
}
input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%; border: 3px solid var(--text);
  background: var(--bg-elevated); box-shadow: var(--shadow-sm); cursor: pointer;
}
input[type="range"]:disabled { opacity: .4; cursor: not-allowed; }
select, .select {
  padding: .55rem .8rem; border-radius: var(--radius-sm); border: 1px solid var(--border-strong);
  background: var(--bg-elevated); color: var(--text); font: inherit; font-weight: 600;
}
.quality-readout {
  display: flex; justify-content: space-between; font-family: var(--mono);
  font-size: .82rem; color: var(--text-muted); font-variant-numeric: tabular-nums;
}
.quality-readout strong { color: var(--text); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .85rem 1.4rem; border-radius: var(--radius-sm); font-weight: 700; font-size: .98rem;
  transition: transform .15s var(--ease-out), background .2s var(--ease-out), box-shadow .2s var(--ease-out);
}
.btn-primary { background: var(--accent); color: var(--accent-contrast); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--accent-hover); box-shadow: var(--shadow-md); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; box-shadow: none; }
.btn-primary:active:not(:disabled) { transform: scale(.98); }
.btn-ghost { background: var(--bg-sunken); color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--border-strong); }
.btn-block { width: 100%; }
.btn-lg { padding: 1.05rem 1.6rem; font-size: 1.05rem; }

.file-list { display: grid; gap: .5rem; margin-top: 1rem; }
.file-row {
  display: flex; align-items: center; gap: .7rem; padding: .6rem .8rem;
  border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-sunken);
  font-size: .88rem;
}
.file-row .file-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; }
.file-row .file-size { font-family: var(--mono); color: var(--text-muted); font-variant-numeric: tabular-nums; }
.file-row button { padding: .3rem; border-radius: 6px; color: var(--text-muted); }
.file-row button:hover { color: var(--danger); background: var(--danger-soft); }

/* states — each element lists the states it's visible in via data-when="idle working" etc. */
.tool-card [data-when] { display: none; }
.tool-card[data-state="idle"]           [data-when~="idle"],
.tool-card[data-state="loading-engine"] [data-when~="loading-engine"],
.tool-card[data-state="working"]        [data-when~="working"],
.tool-card[data-state="done"]           [data-when~="done"],
.tool-card[data-state="ready"]          [data-when~="ready"],
.tool-card[data-state="error"]          [data-when~="error"] { display: block; }

.progress-bar-track {
  height: 8px; border-radius: 99px; background: var(--bg-sunken);
  overflow: hidden; margin-top: .9rem; border: 1px solid var(--border);
}
.progress-bar-fill {
  height: 100%; width: 8%; background: var(--gradient-temper);
  border-radius: 99px; transition: width .3s var(--ease-soft);
}
.progress-label { font-family: var(--mono); font-size: .82rem; color: var(--text-muted); margin-top: .5rem; }

.result-box {
  margin-top: 1.2rem; padding: 1.1rem; border-radius: var(--radius-md);
  background: var(--success-soft); border: 1px solid color-mix(in srgb, var(--success) 35%, var(--border));
}
.result-stats {
  display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; margin-bottom: .9rem;
  font-family: var(--mono); font-size: .86rem;
}
.result-stats b { font-size: 1.05rem; }
.result-stats .saved { color: var(--success); font-weight: 700; }
.result-stats .grew { color: var(--warning); font-weight: 700; }

.error-box {
  margin-top: 1.2rem; padding: 1rem 1.1rem; border-radius: var(--radius-md);
  background: var(--danger-soft); border: 1px solid color-mix(in srgb, var(--danger) 35%, var(--border));
  font-size: .92rem;
}
.warning-box {
  margin-top: 1rem; padding: .9rem 1rem; border-radius: var(--radius-md);
  background: var(--warning-soft); border: 1px solid color-mix(in srgb, var(--warning) 35%, var(--border));
  font-size: .88rem; display: none;
}
.warning-box.is-visible { display: block; }
.warning-box .warning-actions { display: flex; gap: .6rem; margin-top: .7rem; }

.reset-link { display: inline-block; margin-top: .9rem; font-size: .87rem; font-weight: 700; color: var(--accent); }
.reset-link:hover { text-decoration: underline; }

.privacy-badge {
  display: flex; align-items: center; gap: .5rem; margin-top: 1rem;
  font-size: .87rem; color: var(--text-muted); font-weight: 600;
}
.privacy-badge svg { width: 17px; height: 17px; color: var(--steel); flex: none; }
.limits-note { font-size: .82rem; color: var(--text-muted); margin-top: .35rem; }
.noscript-note {
  display: none; padding: 1rem; border-radius: var(--radius-md);
  background: var(--warning-soft); border: 1px solid var(--border); font-size: .9rem;
}
.no-js .noscript-note { display: block; }
.no-js .tool-card > *:not(.noscript-note) { display: none; }

/* =============================================================
   9. Steps / advantages / faq
   ============================================================= */
.steps-grid {
  display: grid; gap: 1.1rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.step-card {
  padding: 1.3rem; border-radius: var(--radius-md); background: var(--bg-elevated);
  border: 1px solid var(--border); position: relative;
}
.step-num {
  width: 34px; height: 34px; border-radius: 10px; background: var(--accent-soft); color: var(--accent);
  display: grid; place-items: center; font-weight: 800; margin-bottom: .8rem;
}
.step-card h3 { font-size: 1.05rem; margin-bottom: .4rem; }
.step-card p { color: var(--text-muted); font-size: .93rem; }

.advantages-grid {
  display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.advantage-card {
  padding: 1.3rem; border-radius: var(--radius-md); background: var(--bg-elevated);
  border: 1px solid var(--border);
}
.advantage-card svg { width: 26px; height: 26px; color: var(--accent); margin-bottom: .7rem; }
.advantage-card h3 { font-size: 1rem; margin-bottom: .35rem; }
.advantage-card p { color: var(--text-muted); font-size: .9rem; }

.seo-copy { max-width: 72ch; color: var(--text-muted); display: grid; gap: .9rem; }
.seo-copy h3 { color: var(--text); font-size: 1.1rem; margin-top: .4rem; }

.faq-list { display: grid; gap: .7rem; max-width: 74ch; }
.faq-list details {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: .95rem 1.1rem;
}
.faq-list summary {
  cursor: pointer; font-weight: 700; font-size: .98rem; list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+"; font-size: 1.3rem; color: var(--accent); flex: none; transition: transform .2s var(--ease-out);
}
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list p { margin-top: .6rem; color: var(--text-muted); font-size: .93rem; }

/* =============================================================
   10. Footer
   ============================================================= */
.site-footer {
  border-top: 1px solid var(--border); padding-block: 2rem 5rem; margin-top: 2rem;
  font-size: .85rem; color: var(--text-muted);
}
.footer-grid {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1.2rem; margin-bottom: 1.2rem;
}
.footer-links { display: flex; flex-wrap: wrap; gap: 1rem; }
.footer-links a:hover { color: var(--accent); }
.footer-credits { font-size: .78rem; opacity: .8; max-width: 70ch; }

/* =============================================================
   11. Download-gate dialog (interstitial)
   ============================================================= */
.gate-dialog {
  border: 0; border-radius: var(--radius-lg); padding: 0; width: min(92vw, 360px);
  background: var(--bg-elevated); color: var(--text); box-shadow: var(--shadow-lg);
}
.gate-dialog::backdrop { background: rgba(10, 10, 16, 0.55); backdrop-filter: blur(2px); }
.gate-inner { padding: 1.5rem 1.4rem 1.6rem; text-align: center; position: relative; }
.gate-close {
  position: absolute; top: .6rem; right: .6rem; width: 30px; height: 30px;
  border-radius: 8px; color: var(--text-muted); display: grid; place-items: center;
}
.gate-close:hover { background: var(--bg-sunken); color: var(--text); }
.gate-title { font-weight: 700; font-size: 1.02rem; margin-bottom: .3rem; }
.gate-sub { font-size: .85rem; color: var(--text-muted); margin-bottom: 1rem; }
.gate-progress {
  height: 6px; border-radius: 99px; background: var(--bg-sunken); overflow: hidden; margin-top: 1.1rem;
}
.gate-progress-bar { height: 100%; width: 0%; background: var(--gradient-temper); border-radius: 99px; }

/* =============================================================
   12. Sticky mobile ad
   ============================================================= */
.sticky-mobile-ad {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  display: flex; justify-content: center; padding: 6px 0;
  background: var(--bg-elevated); border-top: 1px solid var(--border);
}
@media (min-width: 720px) { .sticky-mobile-ad { display: none; } }
body:has(.sticky-mobile-ad) .site-footer { padding-bottom: 4.5rem; }

/* =============================================================
   13. Responsive
   ============================================================= */
@media (min-width: 720px) {
  .tab-labels label { flex: 0 1 auto; padding-inline: 1.1rem; }
}
@media (min-width: 960px) {
  .steps-grid, .advantages-grid { grid-template-columns: repeat(3, 1fr); }
}

/* Keep the tool usable above the fold on small phones: compact the hero,
   shrink the top ad, and clamp/hide secondary copy instead of the tool. */
@media (max-width: 539px) {
  .ad-slot--leaderboard { height: 50px; margin-block: .5rem; }
  .hero { padding-block: 1.1rem .5rem; }
  .eyebrow { margin-bottom: .35rem; font-size: .74rem; }
  .hero h1 { font-size: 1.5rem; max-width: 28ch; }
  .hero .lede {
    margin-top: .5rem; font-size: .92rem;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  }
  .trust-row { display: none; }
  .workspace { padding-block: .4rem 0; gap: 1rem; }
  .tab-labels { margin-bottom: .7rem; }
  .tab-labels label { padding: .6rem .55rem; font-size: .72rem; }
  .tool-panel h2 { font-size: 1.08rem; }
  .tool-panel > .tool-intro {
    margin-bottom: .6rem; font-size: .88rem;
    display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
  }
  .tool-card { padding: .8rem; }
  .site-header .container { height: 56px; }
}