:root {
    color-scheme: light;
    --page: #f8f7ef;
    --paper: #fffef9;
    --ink: #142f2c;
    --muted: #4d615c;
    --accent: #145246;
    --accent-hover: #0d3e35;
    --tint: #e3efe6;
    --line: #d1ddd1;
    --danger: #8f2d3c;
    font-family: "DM Sans", system-ui, sans-serif;
    line-height: 1.55;
    color: var(--ink);
    background: var(--page);
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; }
.wrap { width: min(100% - 3rem, 70rem); margin-inline: auto; }
a { color: var(--accent); text-underline-offset: .2em; }
:focus-visible { outline: 3px solid #2c785f; outline-offset: 3px; }
p { margin: 0 0 1rem; }
h1, h2, h3 { line-height: 1.16; margin: 0 0 .65em; overflow-wrap: anywhere; }
h1, h2 { font-family: "Instrument Serif", Georgia, serif; font-weight: 500; letter-spacing: -.035em; }
h1 { font-size: clamp(2.45rem, 5vw, 4.2rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); }
h3 { font-size: 1.08rem; }
img { max-width: 100%; }
small, .hint { font-size: .9rem; color: var(--muted); }
.skip { position: absolute; top: -6rem; z-index: 5; background: var(--paper); padding: .5rem; }
.skip:focus { top: 1rem; left: 1rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

.site-header { border-bottom: 1px solid var(--line); }
.topnav, .site-footer { display: flex; gap: 1rem 2rem; justify-content: space-between; align-items: center; min-height: 5.5rem; }
.brand { font-weight: 750; color: var(--ink); text-decoration: none; display: inline-flex; align-items: center; gap: .55rem; white-space: nowrap; }
.brand > span:last-child:not(.brand-icon) { margin-left: -.55rem; }
.brand-icon { display: inline-grid; place-items: center; width: 2.1rem; height: 2.1rem; border-radius: .75rem .75rem .75rem .2rem; background: var(--accent); color: white; font-family: Georgia, serif; font-size: 1.4rem; }
.nav-actions, .site-footer > div { display: flex; flex-wrap: wrap; gap: .8rem 1.25rem; align-items: center; }
.nav-actions > a:not(.button) { text-decoration: none; font-weight: 600; }
.site-footer { border-top: 1px solid var(--line); padding-block: 1.35rem; font-size: .9rem; }
main { min-height: 65vh; padding-block: 2.7rem 4rem; }

.button {
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .8rem;
    min-height: 2.8rem;
    padding: .6rem 1.1rem;
    border: 1px solid var(--accent);
    border-radius: .7rem;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    font: inherit;
    font-weight: 700;
    text-align: center;
    cursor: pointer;
}
.button:hover { background: var(--accent-hover); color: #fff; }
.button.secondary { color: var(--accent); background: var(--paper); border-color: var(--line); }
.button.secondary:hover { background: var(--tint); }
.button.small { min-height: 2.5rem; padding: .4rem .8rem; font-size: .9rem; }
.button.danger { background: var(--danger); border-color: var(--danger); }
.button:disabled, button:disabled { opacity: .48; cursor: default; }

.hero { display: grid; grid-template-columns: 1fr .87fr; gap: clamp(2rem, 6vw, 5.5rem); align-items: center; padding-block: 1.2rem 3.2rem; }
.hero h1 { font-size: clamp(3.55rem, 7.2vw, 6.1rem); line-height: .98; letter-spacing: -.058em; margin-bottom: 1.45rem; }
.hero em { color: var(--accent); }
.lead { color: var(--muted); max-width: 34rem; font-size: 1.18rem; margin-bottom: 1.5rem; }
.sample-backdrop { background: var(--tint); border-radius: 2rem 2rem 2rem .65rem; padding: clamp(1rem, 4vw, 3.25rem); }
.sample { background: var(--paper); padding: clamp(1.15rem, 3vw, 2rem); border-radius: 1rem; box-shadow: 0 1rem 2rem #44214c16; }
.sample h2 { font-size: clamp(1.55rem, 2.8vw, 2.2rem); margin-top: 1rem; }
.sample > p { color: var(--muted); margin-bottom: .7rem; }
.sample-top { display: flex; align-items: center; gap: .65rem; }
.sample-top small { display: block; }
.avatar { display: inline-grid; place-items: center; background: var(--tint); border-radius: 50%; width: 2.65rem; height: 2.65rem; flex: 0 0 auto; object-fit: cover; font-weight: 750; color: var(--accent); }
.author .avatar { width: 3.5rem; height: 3.5rem; }
.sample-choice { display: flex; gap: .65rem; align-items: center; border: 1px solid var(--line); border-radius: .55rem; padding: .55rem .65rem; margin-top: .5rem; font-size: .9rem; }
.sample-choice > span { width: .9rem; height: .9rem; border: 1px solid var(--accent); border-radius: 50%; flex: 0 0 auto; }
.sample-choice.selected { background: var(--tint); border-color: #6d9c84; }
.sample-choice.selected > span { background: var(--accent); box-shadow: inset 0 0 0 2px var(--tint); }
.how { border-top: 1px solid var(--line); padding-top: 2rem; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.steps > article { padding: 1.2rem; background: var(--paper); border: 1px solid var(--line); border-radius: .8rem; }
.steps p { color: var(--muted); margin: 0; }

.card { background: var(--paper); border: 1px solid var(--line); border-radius: 1rem; padding: clamp(1rem, 3vw, 2rem); margin-bottom: 1.2rem; }
.narrow, .story-card { max-width: 48rem; margin-inline: auto; }
.story-card h1 { margin-top: 1rem; }
.section-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; margin-bottom: 1rem; }
.section-head h1 { margin-bottom: .3em; }
.notice { border-radius: .6rem; padding: .85rem 1rem; background: var(--tint); border: 1px solid var(--line); }
.notice.error { color: #711d2b; background: #ffecef; border-color: #deb4bc; }
.prose { white-space: pre-wrap; overflow-wrap: anywhere; }
.stack { display: grid; gap: .8rem; }
.stack > .card { margin-bottom: 0; }
.dashboard-card { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.dashboard-card h2, .dashboard-card p { margin: 0; }
.drafts { margin-top: 1rem; }
.drafts .dashboard-card { border-top: 1px solid var(--line); padding: .6rem 0; }
.actions { display: flex; align-items: center; gap: .65rem; flex-wrap: wrap; }
.inline-form { display: inline; margin: 0; }
summary { cursor: pointer; color: var(--accent); font-weight: 700; }
details { margin-block: .8rem; }
details form, .preview > .sample-top { margin-top: .8rem; }
.preview, .update, .invite { background: var(--tint); border-radius: .75rem; padding: 1rem; margin-block: 1.2rem; }
dt { font-weight: 700; }
dd { margin: 0 0 .7rem; overflow-wrap: anywhere; }

form:not(.inline-form) { margin-bottom: .6rem; }
label { display: grid; gap: .28rem; margin-bottom: .85rem; font-weight: 650; }
label small { font-weight: 400; }
input:not([type="radio"]):not([type="checkbox"]), textarea, select {
    width: 100%;
    max-width: 100%;
    padding: .62rem .7rem;
    min-height: 2.75rem;
    background: #fff;
    color: var(--ink);
    border: 1px solid #7b9087;
    border-radius: .55rem;
    font: inherit;
    font-weight: 400;
}
textarea { resize: vertical; }
input[type="checkbox"], input[type="radio"] { accent-color: var(--accent); width: 1.1rem; height: 1.1rem; flex: 0 0 auto; margin: .15rem .35rem 0 0; }
.check { display: flex; align-items: flex-start; font-weight: 400; }
.wizard-nav { display: grid; grid-template-columns: repeat(4, 1fr); gap: .35rem; margin-bottom: 1.5rem; font-size: .78rem; }
.wizard-nav a { display: grid; gap: .28rem; justify-items: start; align-content: start; text-decoration: none; color: var(--muted); }
.wizard-nav span { display: grid; place-items: center; width: 1.7rem; height: 1.7rem; border-radius: 50%; background: var(--tint); color: var(--accent); }
.wizard-nav a[aria-current] { color: var(--accent); font-weight: 750; }
.wizard-nav a[aria-current] span { background: var(--accent); color: white; }
fieldset { min-inline-size: 0; border: 0; padding: 0; margin: 0 0 1rem; }
legend { font-weight: 750; padding: 0; }
.option-row { display: flex; align-items: end; gap: .5rem; }
.option-row label { flex: 1; min-width: 0; }
.option-controls { display: flex; gap: .25rem; margin-bottom: .85rem; }
.icon-button { min-width: 2.25rem; min-height: 2.75rem; border: 1px solid var(--line); border-radius: .45rem; background: var(--paper); color: var(--accent); font: inherit; cursor: pointer; }
.vote-area, .results { border-top: 1px solid var(--line); margin-top: 1.4rem; padding-top: 1.25rem; }
.choices { display: grid; gap: .6rem; padding: 0; list-style: none; }
.choices li, .choice { display: flex; align-items: center; gap: .4rem; padding: .65rem .8rem; border: 1px solid var(--line); border-radius: .55rem; margin: 0; }
.choice { cursor: pointer; }
.choice:has(:checked), .choices .chosen { background: var(--tint); border-color: #6d9c84; }
dialog { width: min(92vw, 28rem); color: var(--ink); border: 1px solid var(--line); border-radius: 1rem; background: var(--paper); padding: 1.4rem; }
dialog::backdrop { background: #142f2cb5; }
.result-row { display: grid; grid-template-columns: 1fr auto; gap: .15rem 1rem; margin-bottom: .75rem; }
progress { width: 100%; grid-column: 1 / -1; accent-color: var(--accent); }
.share-box { display: flex; align-items: center; flex-wrap: wrap; gap: .55rem; }
.share-box details { flex-basis: 100%; margin: 0; }
.report { margin-top: 1.5rem; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; text-align: left; }
td, th { padding: .5rem; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
.tabs { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.tabs a { padding: .45rem .65rem; border-radius: .5rem; text-decoration: none; }
.tabs [aria-current] { background: var(--tint); font-weight: 700; }
.record { border-top: 1px solid var(--line); padding-block: 1rem; }
.record p { margin-bottom: .45rem; overflow-wrap: anywhere; }
.search { align-items: end; }
.search label { margin-bottom: 0; }
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 10rem), 1fr)); gap: .6rem; margin-bottom: 1.25rem; }
.metrics > div { padding: .85rem; border-radius: .6rem; background: var(--tint); }
.metrics strong { display: block; font-size: 1.6rem; }
.metric-list { list-style: none; padding: 0; }
.metric-list li { display: flex; justify-content: space-between; gap: .7rem; padding: .35rem 0; border-bottom: 1px solid var(--line); }

@media (max-width: 700px) {
    .wrap { width: calc(100% - 1.6rem); }
    .topnav { min-height: 4rem; }
    .nav-create { display: none; }
    .nav-actions { justify-content: flex-end; font-size: .85rem; gap: .2rem .65rem; }
    .site-footer { align-items: flex-start; flex-direction: column; }
    main { padding-top: 1.45rem; }
    .hero { grid-template-columns: 1fr; gap: 1.7rem; padding-top: .4rem; padding-bottom: 1.9rem; }
    .hero h1 { font-size: clamp(3.1rem, 11vw, 4.8rem); }
    .steps { grid-template-columns: 1fr; gap: .55rem; }
}

/* Página institucional */
.institutional .wrap { width: min(100% - 5rem, 78rem); }
.institutional main { padding-top: clamp(1.6rem, 4vw, 3.35rem); }
.institutional .topnav { min-height: 5.3rem; }
.institutional .site-header { background: var(--paper); }
.institution-links { display: flex; gap: clamp(.8rem, 3vw, 2.2rem); }
.institution-links a { color: var(--muted); text-decoration: none; font-size: .94rem; }
.institution-links a:hover { text-decoration: underline; }
.home-hero {
    min-height: 31rem;
    padding: clamp(1.65rem, 5vw, 4.3rem);
    gap: clamp(1.5rem, 5vw, 4.4rem);
    border-radius: clamp(1.25rem, 3vw, 2.6rem);
    background: #123b34;
    color: #fffef2;
    overflow: hidden;
}
.home-hero h1 { max-width: 9ch; font-size: clamp(3.75rem, 7vw, 7rem); }
.home-hero h1 em { display: block; color: #d8ee9d; }
.home-hero .lead { color: #ebf1e7; max-width: 29rem; }
.home-hero .actions { gap: .8rem 1.2rem; }
.home-hero .button, .home-cta .button { background: #d8ee9d; color: #163c32; border-color: #d8ee9d; }
.home-hero .button:hover, .home-cta .button:hover { background: #ebf9bf; border-color: #ebf9bf; }
.home-hero .text-link { color: #eef6e9; font-weight: 600; }
.home-hero .sample-backdrop {
    position: relative;
    padding: clamp(1rem, 3vw, 2.5rem) clamp(.8rem, 3vw, 2.35rem) clamp(2.1rem, 5vw, 3.8rem);
    background: radial-gradient(ellipse at 88% 20%, #eff6cf 0, transparent 49%), #b7d8bf;
    border-radius: 50% 45% 40% 36% / 49% 43% 52% 44%;
    color: var(--ink);
}
.sample-paper { position: relative; isolation: isolate; }
.sample-paper::before {
    content: "";
    position: absolute;
    inset: .55rem .1rem -.35rem .25rem;
    background: #ddefb8;
    border: 1px solid #9bbe96;
    border-radius: 1.05rem;
    transform: rotate(-7deg);
    z-index: -1;
}
.home-hero .sample { border-radius: 1rem; box-shadow: 0 1.1rem 3rem #173c3240; }
.home-hero .sample h2 { font-size: clamp(1.4rem, 3vw, 2.55rem); }
.sample-reply {
    position: absolute;
    right: -.5rem;
    bottom: -2.25rem;
    margin: 0;
    border: 1px solid #b2ceb8;
    border-radius: 2rem;
    padding: .45rem .8rem;
    background: var(--paper);
    box-shadow: 0 .45rem 1.3rem #123b3425;
    font-weight: 650;
    font-size: .84rem;
}
.sample-reply span { display: inline-grid; place-items: center; width: 1.4rem; height: 1.4rem; margin-right: .25rem; border-radius: 50%; background: #d8ee9d; }
.institutional-section { margin-top: clamp(2.5rem, 7vw, 5.6rem); scroll-margin-top: 1.5rem; }
.institutional-section > h2, .home-cta h2 { font-size: clamp(2.55rem, 4.5vw, 4rem); }
.institutional .how { border: 0; padding-top: 0; }
.institutional .steps { gap: 1rem; }
.institutional .steps > article { border-radius: 1.15rem; padding: clamp(1rem, 3vw, 2rem); }
.institutional .steps h3 { margin-bottom: .5rem; }
.step-mark {
    display: inline-grid;
    place-items: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: .75rem;
    background: var(--tint);
    color: var(--accent);
    font-size: 1.45rem;
    margin-bottom: 1rem;
}
.questions { display: grid; grid-template-columns: 1fr 1.4fr; gap: clamp(.6rem, 4vw, 3rem); }
.questions details { margin: 0; padding: 1rem 0; border-top: 1px solid var(--line); }
.questions details:last-child { border-bottom: 1px solid var(--line); }
.questions summary { font-size: 1.03rem; }
.questions p { color: var(--muted); margin: .6rem 0 0; }
.home-cta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.2rem;
    background: #e2eddb;
    border-radius: 1.3rem;
    margin-top: clamp(2.5rem, 7vw, 5.6rem);
    padding: clamp(1.5rem, 5vw, 3.2rem);
}
.home-cta h2 { margin-bottom: .2em; }
.home-cta p { margin-bottom: 0; color: var(--muted); }
.home-cta .button { color: white; background: var(--accent); border-color: var(--accent); }
.home-cta .button:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

@media (max-width: 925px) {
    .institutional .wrap { width: calc(100% - 2rem); }
    .institution-links { display: none; }
    .home-hero h1 { font-size: clamp(3.1rem, 7.8vw, 5.8rem); }
}
@media (max-width: 700px) {
    .institutional .topnav { min-height: 4.2rem; gap: .5rem; }
    .institutional .nav-actions { min-width: 0; }
    .home-hero { min-height: 0; padding: 1.6rem 1.2rem; }
    .home-hero h1 { font-size: clamp(3.2rem, 12vw, 5rem); margin-bottom: 1rem; }
    .home-hero .lead { font-size: 1rem; margin-bottom: 1rem; }
    .home-hero .sample-backdrop { margin: .2rem .25rem; }
    .questions { grid-template-columns: 1fr; }
    .questions h2 { margin-bottom: .2em; }
}

.registration-error { color: var(--danger); font-size: .9rem; }
.registration-error:empty { display: none; }
[data-registration] input[aria-invalid="true"] { border-color: var(--danger); }