/* conviertefoto.com — "laboratorio de revelado": papel crema, negativo, polaroids */
:root {
  --paper: #FBF4E8;
  --paper-2: #F3E8D5;
  --ink: #1C1714;
  --ink-2: #4A3F37;
  --mute: #86766A;
  --line: #E4D5BF;
  --film: #191412;
  --film-2: #2A221E;
  --red: #F2452E;
  --red-ink: #FFFFFF;
  --red-soft: #FFE2DA;
  --mint: #1E8E5A;
  --amber: #E9A23B;
  --radius: 18px;
  --gutter: 1.25rem;
  --display: "Fraunces", Georgia, serif;
  --sans: "Figtree", -apple-system, "Segoe UI", system-ui, sans-serif;
  --hand: "Caveat", "Segoe Print", cursive;
  --mono: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--sans); color: var(--ink); line-height: 1.6; font-size: 17px;
  background-color: var(--paper);
  background-image:
    radial-gradient(circle at 12% 8%, rgba(242, 69, 46, .07), transparent 38%),
    radial-gradient(circle at 88% 30%, rgba(233, 162, 59, .09), transparent 36%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.3 0 0 0 0 0.22 0 0 0 0 0.15 0 0 0 .05 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
img { max-width: 100%; display: block; }
a { color: var(--red); text-underline-offset: 3px; }
a:hover { color: var(--ink); }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .6rem; }
h1, h2 { font-family: var(--display); font-weight: 700; letter-spacing: -.02em; font-variation-settings: "SOFT" 100, "opsz" 96; }
p { margin: 0 0 1rem; }
.container { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 var(--gutter); }
.narrow { max-width: 760px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--ink); color: #fff; padding: .5rem 1rem; z-index: 50; }
.skip-link:focus { left: 1rem; }
.muted { color: var(--mute); }

/* Header */
.site-header { padding: .9rem 0; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.logo { display: inline-flex; align-items: center; gap: .55rem; text-decoration: none; color: var(--ink); font-family: var(--display); font-weight: 700; font-size: 1.35rem; letter-spacing: -.02em; }
.logo b { color: var(--red); font-weight: 700; }
.logo svg { width: 34px; height: 34px; flex: none; }
.header-nav { display: flex; gap: .3rem; flex-wrap: wrap; justify-content: flex-end; }
.header-nav a { color: var(--ink-2); text-decoration: none; font-weight: 600; font-size: .92rem; padding: .35rem .7rem; border-radius: 999px; }
.header-nav a:hover { background: var(--paper-2); color: var(--ink); }
.header-nav a[aria-current="page"] { background: var(--ink); color: var(--paper); }

/* Hero */
.hero { padding: 1rem 0 1.2rem; text-align: center; }
.hero h1 { font-size: clamp(2rem, 6vw, 3.4rem); margin-bottom: .4rem; }
.hero h1 em { font-style: italic; color: var(--red); }
.hero p { color: var(--ink-2); max-width: 620px; margin: 0 auto; font-size: 1.05rem; }

/* Tool card */
.tool { max-width: 940px; margin: 0 auto; }
.tool-card { background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: clamp(.8rem, 2.5vw, 1.4rem); box-shadow: 0 30px 60px -40px rgba(60, 35, 20, .45), 0 2px 0 rgba(255, 255, 255, .8) inset; }

/* Dropzone = negativo de carrete */
.drop { position: relative; display: block; cursor: pointer; background: var(--film); color: #F7EDE0; border-radius: 16px; padding: 34px 18px; text-align: center; outline: none; transition: transform .15s ease, box-shadow .2s ease; }
.drop::before, .drop::after { content: ""; position: absolute; left: 14px; right: 14px; height: 12px; background-image: repeating-linear-gradient(90deg, rgba(251, 244, 232, .92) 0 14px, transparent 14px 30px); border-radius: 3px; opacity: .9; }
.drop::before { top: 10px; }
.drop::after { bottom: 10px; }
.drop:hover, .drop:focus-visible { box-shadow: 0 0 0 4px rgba(242, 69, 46, .35); }
.drop.is-over { transform: scale(1.01); box-shadow: 0 0 0 4px var(--red); }
.drop input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.drop-inner { position: relative; border: 2px dashed rgba(251, 244, 232, .28); border-radius: 12px; padding: 26px 14px; pointer-events: none; }
.drop-icon { width: 56px; height: 56px; margin: 0 auto .6rem; color: var(--red); }
.drop strong { display: block; font-family: var(--display); font-size: clamp(1.3rem, 4vw, 1.75rem); font-weight: 700; letter-spacing: -.01em; }
.drop span { display: block; color: rgba(247, 237, 224, .72); font-size: .95rem; margin-top: .25rem; }
.drop .formats { margin-top: .8rem; display: flex; gap: .35rem; justify-content: center; flex-wrap: wrap; }
.drop .formats i { font-style: normal; font-family: var(--mono); font-size: .75rem; letter-spacing: .06em; padding: .2rem .5rem; border: 1px solid rgba(251, 244, 232, .25); border-radius: 6px; color: rgba(247, 237, 224, .85); }

/* Opciones */
.opts { display: flex; flex-wrap: wrap; gap: .8rem 1.4rem; align-items: center; padding: 1rem .2rem .2rem; }
.opt { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.opt-label { font-weight: 700; font-size: .9rem; color: var(--ink-2); }
.pills { display: inline-flex; background: var(--paper); border: 1px solid var(--line); border-radius: 999px; padding: 3px; }
.pills label { position: relative; }
.pills input { position: absolute; opacity: 0; pointer-events: none; }
.pills span { display: inline-block; padding: .38rem .9rem; border-radius: 999px; font-weight: 700; font-size: .92rem; cursor: pointer; color: var(--ink-2); transition: background .15s, color .15s; }
.pills input:checked + span { background: var(--ink); color: var(--paper); }
.pills input:focus-visible + span { outline: 2px solid var(--red); outline-offset: 2px; }
.pills input:disabled + span { opacity: .4; cursor: not-allowed; }
.opt select { font: inherit; font-size: .92rem; font-weight: 600; padding: .4rem .7rem; border-radius: 10px; border: 1px solid var(--line); background: var(--paper); color: var(--ink); }
.opt input[type=range] { accent-color: var(--red); width: 140px; }
.opt output { font-family: var(--mono); font-size: .85rem; min-width: 3.2em; }
.opt-note { font-size: .82rem; color: var(--mute); }

/* Privacidad en vivo */
.privacy { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .6rem 1rem; margin-top: 1rem; padding: .75rem 1rem; background: var(--paper); border: 1px dashed var(--line); border-radius: 14px; font-size: .9rem; color: var(--ink-2); }
.privacy b { color: var(--ink); }
.meters { display: flex; gap: 1rem; flex-wrap: wrap; font-family: var(--mono); font-size: .82rem; }
.meters span { white-space: nowrap; }
.meters .zero { color: var(--mint); font-weight: 700; }

/* Resultados: polaroids */
.results { display: none; margin-top: 1.2rem; }
.tool-card.has-files .results { display: block; }
.results-bar { display: flex; align-items: center; justify-content: space-between; gap: .8rem; flex-wrap: wrap; margin-bottom: 1rem; }
.results-bar .summary { font-weight: 700; }
.results-bar .actions { display: flex; gap: .5rem; flex-wrap: wrap; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 1.4rem 1.1rem; padding: .4rem .2rem 1rem; }
.pol { position: relative; background: #fff; padding: 10px 10px 12px; border-radius: 4px; box-shadow: 0 1px 2px rgba(0, 0, 0, .08), 0 14px 28px -16px rgba(60, 35, 20, .5); transform: rotate(var(--tilt, 0deg)); transition: transform .25s ease; }
.pol:hover { transform: rotate(0deg) translateY(-3px); }
.pol-img { position: relative; aspect-ratio: 1; background: var(--film); overflow: hidden; border-radius: 2px; }
.pol-img img { width: 100%; height: 100%; object-fit: cover; filter: sepia(.9) blur(6px) brightness(.55) contrast(.9); transition: filter 1.4s ease; }
.pol.is-done .pol-img img { filter: none; }
.pol-ph { position: absolute; inset: 0; display: grid; place-items: center; color: rgba(247, 237, 224, .6); font-family: var(--mono); font-size: .8rem; letter-spacing: .08em; }
.pol-bar { position: absolute; left: 10px; right: 10px; bottom: 10px; height: 5px; background: rgba(255, 255, 255, .18); border-radius: 99px; overflow: hidden; }
.pol-bar i { display: block; height: 100%; width: 0; background: var(--red); transition: width .3s ease; }
.pol.is-done .pol-bar, .pol.is-error .pol-bar { display: none; }
.pol-cap { font-family: var(--hand); font-size: 1.25rem; line-height: 1.15; margin: .5rem .1rem .1rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pol-meta { font-size: .8rem; color: var(--mute); min-height: 1.3em; }
.pol-meta b { color: var(--ink); }
.pol-dl { display: none; margin-top: .45rem; width: 100%; }
.pol.is-done .pol-dl { display: flex; }
.pol-tools { display: flex; gap: .35rem; margin-top: .45rem; }
.pol-tools button { flex: 1; font: inherit; font-size: .85rem; font-weight: 700; padding: .35rem 0; border-radius: 8px; border: 1px solid var(--line); background: var(--paper); color: var(--ink-2); cursor: pointer; }
.pol-tools button:hover { background: var(--ink); color: var(--paper); }
.pol-tools button[data-rm]:hover { background: var(--red); border-color: var(--red); }
.opt input[type=number] { font: inherit; font-size: .92rem; width: 7.5em; padding: .4rem .6rem; border-radius: 10px; border: 1px solid var(--line); background: var(--paper); color: var(--ink); }
.opt .check { display: inline-flex; align-items: center; gap: .35rem; font-size: .9rem; font-weight: 600; color: var(--ink-2); }
.stamp { position: absolute; top: 14px; right: -8px; transform: rotate(8deg) scale(.6); opacity: 0; background: var(--red); color: #fff; font-weight: 800; font-size: .9rem; padding: .25rem .55rem; border-radius: 6px; border: 2px solid #fff; box-shadow: 0 6px 14px -6px rgba(242, 69, 46, .8); transition: transform .35s cubic-bezier(.2, 1.6, .4, 1) .9s, opacity .2s ease .9s; }
.stamp.up { background: var(--amber); }
.stamp.ok { background: var(--mint); box-shadow: 0 6px 14px -6px rgba(30, 142, 90, .8); }
.pol.is-done .stamp { opacity: 1; transform: rotate(8deg) scale(1); }
.pol.is-error .pol-img img { filter: grayscale(1) brightness(.4); }
.pol.is-error .pol-meta { color: var(--red); }

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; font: inherit; font-weight: 700; font-size: .95rem; padding: .7rem 1.15rem; border-radius: 12px; border: 0; cursor: pointer; text-decoration: none; transition: transform .1s, filter .15s, background .15s; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--red); color: var(--red-ink); box-shadow: 0 10px 20px -12px rgba(242, 69, 46, .9); }
.btn-primary:hover { filter: brightness(1.06); color: var(--red-ink); }
.btn-dark { background: var(--ink); color: var(--paper); }
.btn-dark:hover { color: var(--paper); filter: brightness(1.2); }
.btn-ghost { background: transparent; color: var(--ink-2); border: 1px solid var(--line); }
.btn-ghost:hover { background: var(--paper); color: var(--ink); }
.btn-sm { font-size: .82rem; padding: .45rem .7rem; border-radius: 9px; }
.btn[disabled] { opacity: .5; cursor: progress; }

.alert { margin-top: .9rem; padding: .7rem .9rem; border-radius: 12px; background: var(--red-soft); color: #8A2415; font-size: .9rem; display: none; }
.alert.show { display: block; }
.noscript { padding: 1rem; text-align: center; background: var(--red-soft); border-radius: 12px; margin-top: 1rem; }

/* Ads (placeholders vacíos) */
.ad-slot { margin: 2rem auto; max-width: 940px; min-height: 120px; border: 1px dashed var(--line); border-radius: 14px; display: flex; align-items: center; justify-content: center; color: var(--mute); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; background: rgba(255, 255, 255, .35); }
.ad-slot.ad-incontent { min-height: 250px; }

/* Contenido */
.content { padding: 1rem 0 2rem; }
.content h2 { font-size: clamp(1.5rem, 3.6vw, 2rem); margin-top: 2.2rem; }
.content h3 { font-size: 1.1rem; margin-top: 1.2rem; }
.content ul, .content ol { padding-left: 1.2rem; margin: 0 0 1rem; }
.content li { margin-bottom: .4rem; }
.lead { font-size: 1.1rem; color: var(--ink-2); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin: 1.2rem 0; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem; }
.step .n { font-family: var(--display); font-size: 2rem; font-weight: 700; color: var(--red); line-height: 1; }
.step h3 { margin: .4rem 0 .3rem; font-size: 1.05rem; }
.step p { margin: 0; font-size: .92rem; color: var(--ink-2); }
.table-wrap { overflow-x: auto; margin: 1rem 0; background: #fff; border: 1px solid var(--line); border-radius: 14px; }
table { width: 100%; border-collapse: collapse; font-size: .94rem; }
th, td { text-align: left; padding: .6rem .8rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--paper); font-size: .85rem; }
tr:last-child td { border-bottom: 0; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 14px; margin-bottom: .6rem; }
.faq summary { cursor: pointer; font-weight: 700; padding: .9rem 1rem; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--red); font-weight: 800; }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 1rem 1rem; margin: 0; color: var(--ink-2); }

.tools-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: .9rem; margin: 1rem 0 0; }
.tool-link { display: flex; flex-direction: column; gap: .2rem; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.1rem; text-decoration: none; color: var(--ink); transition: transform .15s, box-shadow .15s; }
.tool-link:hover { transform: translateY(-2px); box-shadow: 0 16px 30px -22px rgba(60, 35, 20, .6); color: var(--ink); }
.tool-link .fmt { font-family: var(--mono); font-size: .78rem; color: var(--red); letter-spacing: .06em; }
.tool-link strong { font-size: 1.05rem; }
.tool-link span { font-size: .88rem; color: var(--mute); }

/* Footer */
.site-footer { border-top: 1px solid var(--line); margin-top: 2rem; padding: 1.6rem 0 2.2rem; font-size: .9rem; color: var(--mute); }
.footer-inner { display: flex; flex-wrap: wrap; gap: .8rem 1.5rem; justify-content: space-between; }
.footer-nav { display: flex; flex-wrap: wrap; gap: .4rem 1rem; }
.footer-nav a { color: var(--ink-2); text-decoration: none; }
.footer-nav a:hover { color: var(--red); }
.credits { width: 100%; font-size: .78rem; }

/* Aviso de cookies */
.cookie-banner { position: fixed; left: var(--gutter); right: var(--gutter); bottom: var(--gutter); z-index: 200; max-width: 680px; margin: 0 auto; display: flex; align-items: center; flex-wrap: wrap; gap: .8rem 1.2rem; padding: 1rem 1.1rem; background: #fff; border: 2px solid var(--ink); border-radius: 16px; box-shadow: 0 20px 44px -16px rgba(60, 35, 20, .55); }
.cookie-banner p { flex: 1 1 300px; margin: 0; font-size: .88rem; color: var(--ink-2); }
.cookie-banner-actions { display: flex; gap: .6rem; margin-left: auto; }

.legal { padding: 1.5rem var(--gutter) 2rem; }
.legal h1 { font-size: clamp(1.8rem, 5vw, 2.6rem); }
.legal h2 { font-size: 1.3rem; margin-top: 1.6rem; }

@media (max-width: 720px) {
  body { font-size: 16px; }
  .header-inner { flex-wrap: wrap; gap: .5rem; }
  .header-nav { width: 100%; flex-wrap: nowrap; justify-content: flex-start; overflow-x: auto; scrollbar-width: none; margin: 0 calc(var(--gutter) * -1); padding: 0 var(--gutter); width: calc(100% + var(--gutter) * 2); }
  .header-nav::-webkit-scrollbar { display: none; }
  .header-nav a { white-space: nowrap; flex: none; }
  .hero { padding-top: .4rem; }
  .hero p { font-size: .98rem; }
  .drop { padding: 26px 12px; }
  .drop-inner { padding: 18px 10px; }
  .drop-icon { width: 44px; height: 44px; }
  .steps { grid-template-columns: 1fr; }
  .grid { grid-template-columns: repeat(2, 1fr); gap: 1rem .8rem; }
  .pol-cap { font-size: 1.1rem; }
  .opts { gap: .7rem; }
}
@media (prefers-reduced-motion: reduce) {
  .pol-img img, .stamp, .pol { transition: none; }
}