:root {
    --night: #07111f;
    --deep: #0b1628;
    --navy: #12203c;
    --editorial: #172a46;
    --steel: #3d5875;
    --slate: #64748b;
    --teal: #1e9e93;
    --teal-dark: #167c75;
    --ice: #eaf2f8;
    --mist: #dce5ed;
    --cold: #f8fafc;
    --ink: #172033;
    --border: rgba(61, 88, 117, .18);
    --cold-shadow: 0 24px 64px rgba(11, 22, 40, .12);
}

body { min-width: 320px; overflow-x: hidden; background: var(--cold); color: var(--ink); }
body.menu-open { overflow: hidden; }
button { font: inherit; }
:focus-visible { outline: 3px solid rgba(30, 158, 147, .48); outline-offset: 4px; }
.container { width: min(100% - 48px, 1180px); max-width: none; padding: 0; }
.section-label, .hero-label { display: inline-flex; align-items: center; gap: 10px; color: var(--teal-dark); font-size: .76rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; }
.section-label::before, .hero-label::before { width: 30px; height: 1px; background: currentColor; content: ''; }

/* Navegación oscura y translúcida */
.site-header { height: 78px; color: rgba(255,255,255,.82); background: rgba(7,17,31,.2); border-bottom: 1px solid transparent; transition: background-color 300ms ease, border-color 300ms ease, box-shadow 300ms ease, backdrop-filter 300ms ease; }
.site-header.scrolled { background: rgba(11,22,40,.88); border-color: rgba(255,255,255,.09); box-shadow: 0 12px 32px rgba(4,12,23,.18); backdrop-filter: blur(14px); }
.header-logo { display: grid; place-items: center; width: 50px; height: 50px; overflow: hidden; background: rgba(255,255,255,.94); border: 1px solid rgba(255,255,255,.22); border-radius: 12px; box-shadow: 0 8px 24px rgba(4,12,23,.18); }
.logo-img { width: 100%; height: 100%; object-fit: contain; }
.nav-menu { gap: 34px; }
.nav-link { color: inherit; font-size: .78rem; font-weight: 600; letter-spacing: .13em; }
.nav-link::after { bottom: -8px; height: 1px; }
.nav-link:hover { color: #fff; }
.menu-toggle { width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.14); border-radius: 10px; background: rgba(255,255,255,.06); }
.hamburger-line { background: #fff; }

/* Hero científico */
.hero { min-height: 760px; padding: 0; color: #fff; background: radial-gradient(circle at 78% 42%,rgba(30,158,147,.13),transparent 26%), radial-gradient(circle at 16% 14%,rgba(61,88,117,.23),transparent 28%), linear-gradient(135deg,var(--night),var(--navy) 60%,#15374a); }
.hero::after { position: absolute; right: -80px; bottom: -200px; width: 520px; height: 520px; border: 1px solid rgba(234,242,248,.06); border-radius: 50%; content: ''; }
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-svg { width: 100%; height: 100%; opacity: .85; }
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0,1.16fr) minmax(300px,.84fr); align-items: center; gap: clamp(50px,8vw,110px); padding-block: 150px 100px; }
.hero-content { display: block; max-width: 690px; }
.hero-label { margin-bottom: 28px; color: #72c8c0; }
.hero-title { max-width: 690px; margin-bottom: 26px; color: #fff; font-size: clamp(2.75rem,5.8vw,5.4rem); font-weight: 500; letter-spacing: -.045em; line-height: 1.02; text-wrap: balance; }
.hero-text { max-width: 630px; margin-bottom: 38px; color: rgba(234,242,248,.76); font-size: clamp(1rem,1.5vw,1.18rem); line-height: 1.8; }
.btn-primary, .btn-journal, .btn-cta { display: inline-flex; align-items: center; justify-content: center; gap: 11px; min-height: 50px; padding: 12px 23px; border: 1px solid transparent; border-radius: 8px; cursor: pointer; font-weight: 650; transition: transform 200ms ease, background-color 300ms ease, border-color 300ms ease, box-shadow 300ms ease, color 300ms ease; }
.btn-primary { color: #fff; background: var(--teal); box-shadow: 0 12px 32px rgba(30,158,147,.2); }
.btn-primary:hover { transform: translateY(-2px); background: #24aaa0; box-shadow: 0 16px 38px rgba(30,158,147,.3); }
.btn-primary svg { transition: transform 200ms ease; }
.btn-primary:hover svg { transform: translateY(3px); }
.hero-logo-col { display: flex; justify-content: center; }
.hero-logo-glass { position: relative; width: min(100%,360px); padding: clamp(22px,4vw,42px); background: rgba(248,250,252,.93); border: 1px solid rgba(255,255,255,.34); border-radius: 26px; box-shadow: 0 34px 80px rgba(0,6,16,.34), inset 0 1px rgba(255,255,255,.8); backdrop-filter: blur(12px); }
.hero-logo-glass::before, .hero-logo-glass::after { position: absolute; width: 8px; height: 8px; border: 1px solid rgba(114,200,192,.8); border-radius: 50%; box-shadow: 38px -26px 0 -2px rgba(114,200,192,.45),72px 12px 0 -3px rgba(234,242,248,.65); content: ''; }
.hero-logo-glass::before { top: -28px; left: -18px; }
.hero-logo-glass::after { right: 18px; bottom: -22px; }
.hero-logo { width: 100%; max-width: none; padding: 0; background: transparent; }

/* Presentación */
.about { position: relative; padding: clamp(90px,11vw,140px) 0; background: var(--cold); }
.about::before { position: absolute; top: 0; left: 6%; width: 1px; height: 90px; background: linear-gradient(var(--teal),transparent); content: ''; }
.about-header { max-width: 790px; margin: 0 auto 70px; }
.about-header .section-label { margin-bottom: 20px; }
.about-title, .journals-title, .cta-title { font-weight: 500; letter-spacing: -.025em; }
.about-title { margin-bottom: 24px; color: var(--navy); font-size: clamp(2rem,4vw,3.2rem); text-wrap: balance; }
.about-text { color: var(--slate); font-size: 1.08rem; }
.features-grid { margin-top: 0; gap: 0; border-block: 1px solid var(--border); }
.feature-item { min-height: 190px; padding: 38px 20px; border-top: 0; border-right: 1px solid var(--border); transition: background-color 300ms ease, transform 300ms ease; }
.feature-item:last-child { border-right: 0; }
.feature-item:hover { transform: translateY(-4px); background: var(--ice); }
.feature-icon { width: 46px; height: 46px; margin-bottom: 20px; }
.feature-title { color: var(--navy); font-size: 1rem; }

/* Portafolio editorial */
.journals { position: relative; padding: clamp(90px,11vw,140px) 0; background: linear-gradient(rgba(255,255,255,.45),rgba(255,255,255,.45)), linear-gradient(135deg,var(--ice),#dfeaf2); }
.journals::before { position: absolute; inset: 0; opacity: .35; background-image: radial-gradient(rgba(61,88,117,.22) .75px,transparent .75px); background-size: 28px 28px; content: ''; pointer-events: none; }
.journals .container { position: relative; }
.journals-header { max-width: 690px; margin: 0 auto 74px; }
.journals-header .section-label { margin-bottom: 18px; }
.journals-title { margin-bottom: 18px; color: var(--navy); font-size: clamp(2.2rem,4.5vw,3.8rem); }
.journals-desc { color: var(--slate); font-size: 1.08rem; }
.portfolio-demo-note { display: inline-flex; margin-top: 18px; padding: 6px 10px; color: var(--teal-dark); background: rgba(255,255,255,.58); border: 1px solid rgba(30,158,147,.22); border-radius: 999px; font-family: 'JetBrains Mono',monospace; font-size: .63rem; font-weight: 700; letter-spacing: .09em; }
.journal-block { position: relative; display: grid; grid-template-columns: minmax(280px,.72fr) minmax(0,1.28fr); align-items: center; gap: clamp(48px,7vw,96px); min-height: 570px; margin-top: 54px; padding: clamp(42px,6vw,78px); overflow: hidden; background: rgba(248,250,252,.91); border: 1px solid rgba(61,88,117,.15); border-radius: 24px; box-shadow: var(--cold-shadow); }
.journal-block::after { position: absolute; right: -130px; bottom: -170px; width: 360px; height: 360px; border: 1px solid rgba(30,158,147,.12); border-radius: 50%; box-shadow: 0 0 0 44px rgba(30,158,147,.025),0 0 0 88px rgba(61,88,117,.025); content: ''; }
.journal-reversed { grid-template-columns: minmax(0,1.28fr) minmax(280px,.72fr); }
.journal-cover-col, .journal-info-col { position: relative; z-index: 1; }
.journal-cover-col { display: flex; justify-content: center; }
.journal-cover-frame { position: relative; width: min(100%,330px); aspect-ratio: 3/4; box-shadow: 0 30px 60px rgba(11,22,40,.2),0 4px 12px rgba(11,22,40,.12); transition: transform 300ms ease, box-shadow 300ms ease; }
.journal-cover-frame::after { position: absolute; inset: 0; border: 1px solid rgba(255,255,255,.28); content: ''; pointer-events: none; }
.journal-cover-frame:hover { transform: translateY(-4px); box-shadow: 0 36px 72px rgba(11,22,40,.24); }
.journal-cover { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 3/4; }
.journal-color-line { width: 54px; height: 3px; margin-bottom: 28px; }
.journal-name { max-width: 610px; margin-bottom: 14px; color: var(--navy); font-size: clamp(2rem,4vw,3.45rem); font-weight: 500; letter-spacing: -.035em; line-height: 1.08; text-wrap: balance; }
.journal-issn { margin-bottom: 28px; color: var(--steel); font-size: .76rem; letter-spacing: .12em; }
.journal-description { max-width: 610px; margin-bottom: 34px; color: var(--slate); font-size: 1.04rem; }
.journal-facts { display: grid; grid-template-columns: repeat(3,1fr); margin: 0 0 30px; border-block: 1px solid var(--border); }
.journal-facts div { min-width: 0; padding: 13px 12px 13px 0; border-bottom: 1px solid var(--border); }
.journal-facts div:nth-child(n+4) { border-bottom: 0; }
.journal-facts dt { margin-bottom: 3px; color: var(--slate); font-family: 'JetBrains Mono',monospace; font-size: .61rem; letter-spacing: .08em; text-transform: uppercase; }
.journal-facts dd { overflow-wrap: anywhere; color: var(--navy); font-size: .82rem; font-weight: 650; }
.journal-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn-journal { display: inline-flex; align-self: auto; padding: 12px 23px; border-width: 1px; }
.btn-journal svg { transition: transform 200ms ease; }
.btn-journal:hover svg { transform: translate(2px,-2px); }
.btn-journal .arrow-icon { transition: transform 300ms ease; }
.btn-journal.active .arrow-icon { transform: rotate(180deg); }
.btn-teal { color: #fff; background: var(--teal); }
.btn-teal:hover { transform: translateY(-2px); background: var(--teal-dark); box-shadow: 0 12px 25px rgba(30,158,147,.22); }
.btn-steel { color: #fff; background: var(--editorial); }
.btn-steel:hover { transform: translateY(-2px); background: var(--navy); box-shadow: 0 12px 25px rgba(23,42,70,.22); }
.btn-outline-teal { color: var(--teal-dark); border-color: rgba(30,158,147,.46); }
.btn-outline-teal:hover, .btn-outline-teal.active { color: #fff; background: var(--teal-dark); border-color: var(--teal-dark); }
.btn-outline-steel { color: var(--editorial); border-color: rgba(61,88,117,.46); }
.btn-outline-steel:hover, .btn-outline-steel.active { color: #fff; background: var(--editorial); border-color: var(--editorial); }

/* Artículos demo expandibles */
.articles-panel { max-height: 0; overflow: hidden; opacity: 0; transform: translateY(-12px); transition: max-height 400ms ease, opacity 300ms ease, transform 400ms ease; }
.articles-panel.open { opacity: 1; transform: translateY(0); }
.articles-panel-inner { margin-top: 18px; padding: clamp(34px,5vw,60px); background: rgba(255,255,255,.92); border: 1px solid rgba(61,88,117,.16); border-radius: 20px; box-shadow: 0 22px 48px rgba(11,22,40,.09); }
.articles-panel-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin-bottom: 15px; }
.articles-panel-title { margin-bottom: 4px; color: var(--steel); font-family: 'JetBrains Mono',monospace; font-size: .77rem; letter-spacing: .15em; text-transform: uppercase; }
.articles-panel-subtitle { color: var(--navy); font-family: 'Lora',serif; font-size: clamp(1.8rem,4vw,2.8rem); line-height: 1.15; }
.demo-badge, .article-demo-badge { display: inline-flex; align-items: center; flex: 0 0 auto; color: var(--teal-dark); background: rgba(30,158,147,.08); border: 1px solid rgba(30,158,147,.23); border-radius: 999px; font-family: 'JetBrains Mono',monospace; font-size: .65rem; font-weight: 600; letter-spacing: .1em; }
.demo-badge { padding: 8px 12px; }
.articles-panel-disclaimer { max-width: 720px; margin-bottom: 32px; color: var(--slate); }
.articles-list { border-top: 1px solid var(--border); }
.article-item { position: relative; display: grid; grid-template-columns: 52px minmax(0,1fr) auto; gap: 22px; align-items: start; padding: 27px 16px 27px 4px; border-bottom: 1px solid var(--border); transition: background-color 300ms ease, transform 300ms ease, padding 300ms ease; }
.article-item::after { position: absolute; top: 34px; right: 15px; color: var(--steel); content: '\2192'; font-size: 1.15rem; opacity: 0; transform: translateX(-8px); transition: opacity 200ms ease, transform 300ms ease; }
.article-item:hover { padding-left: 14px; padding-right: 44px; background: var(--ice); transform: translateX(3px); }
.article-item:hover::after { opacity: .8; transform: translateX(0); }
.article-hidden { display: none; }
.article-number { padding-top: 2px; color: rgba(61,88,117,.6); font-family: 'JetBrains Mono',monospace; font-size: .78rem; }
.article-category { display: block; margin-bottom: 7px; font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.accent-teal { color: var(--teal-dark); }.accent-steel { color: var(--steel); }
.article-title { max-width: 780px; margin-bottom: 7px; color: var(--navy); font-size: clamp(1.15rem,2vw,1.42rem); }
.article-authors { color: var(--steel); font-size: .88rem; }
.article-meta { margin: 4px 0 10px; color: var(--slate); font-family: 'JetBrains Mono',monospace; font-size: .72rem; }
.article-abstract { max-width: 850px; color: var(--slate); font-size: .92rem; }
.article-demo-badge { margin-right: 24px; padding: 5px 9px; }
.articles-panel-footer { display: flex; justify-content: center; padding-top: 28px; }
.btn-show-more, .btn-show-less { display: inline-flex; align-items: center; gap: 9px; padding: 10px 5px; border: 0; background: transparent; cursor: pointer; font-weight: 650; }
.btn-text-teal { color: var(--teal-dark); }.btn-text-steel { color: var(--steel); }

/* Cierre institucional */
.cta { position: relative; overflow: hidden; padding: clamp(90px,10vw,130px) 0; background: radial-gradient(circle at 20% 20%,rgba(30,158,147,.13),transparent 25%),linear-gradient(135deg,var(--deep),var(--navy) 65%,#15374a); }
.cta::before, .cta::after { position: absolute; border: 1px solid rgba(255,255,255,.06); border-radius: 50%; content: ''; }
.cta::before { top: -220px; right: -140px; width: 520px; height: 520px; }.cta::after { bottom: -140px; left: -80px; width: 290px; height: 290px; }
.cta .container { position: relative; z-index: 1; }.cta-title { font-size: clamp(2rem,4.8vw,4rem); }.btn-cta { color: #fff; border-color: rgba(255,255,255,.22); background: rgba(255,255,255,.06); backdrop-filter: blur(10px); }
.btn-cta:hover { transform: translateY(-2px); color: #fff; background: var(--teal); border-color: var(--teal); }
.site-footer { background: var(--night); }.footer-logo { width: 64px; height: 64px; max-height: none; padding: 4px; object-fit: contain; background: rgba(248,250,252,.92); border-radius: 12px; filter: none; }

/* Recursos editoriales propuestos */
.author-resources { position: relative; padding: clamp(90px,11vw,140px) 0; overflow: hidden; scroll-margin-top: 82px; background: var(--cold); }
.author-resources::after { position: absolute; top: 90px; right: -190px; width: 430px; height: 430px; border: 1px solid rgba(30,158,147,.09); border-radius: 50%; box-shadow: 0 0 0 52px rgba(30,158,147,.018),0 0 0 104px rgba(61,88,117,.018); content: ''; pointer-events: none; }
.resources-intro { position: relative; z-index: 1; display: grid; grid-template-columns: 1.08fr .92fr; align-items: end; gap: clamp(46px,8vw,110px); margin-bottom: 64px; }
.resources-intro .section-label { margin-bottom: 18px; }
.resources-title, .contact-title { color: var(--navy); font-family: 'Lora',serif; font-size: clamp(2.15rem,4.4vw,3.7rem); font-weight: 500; letter-spacing: -.035em; line-height: 1.12; text-wrap: balance; }
.resources-lead { padding: 27px 0 5px 28px; color: var(--slate); border-left: 1px solid rgba(30,158,147,.36); font-size: 1.02rem; line-height: 1.75; }
.proposal-badge { display: inline-flex; margin-bottom: 13px; padding: 6px 10px; color: var(--teal-dark); background: rgba(30,158,147,.07); border: 1px solid rgba(30,158,147,.2); border-radius: 999px; font-family: 'JetBrains Mono',monospace; font-size: .64rem; font-weight: 700; letter-spacing: .1em; }
.resource-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.resource-card { position: relative; min-height: 330px; padding: 34px; overflow: hidden; background: #fff; border: 1px solid var(--border); border-radius: 16px; box-shadow: 0 14px 36px rgba(11,22,40,.055); transition: transform 300ms ease,border-color 300ms ease,box-shadow 300ms ease; }
.resource-card:hover { transform: translateY(-4px); border-color: rgba(30,158,147,.34); box-shadow: 0 22px 48px rgba(11,22,40,.09); }
.resource-index { position: absolute; top: 20px; right: 22px; color: rgba(61,88,117,.42); font-family: 'JetBrains Mono',monospace; font-size: .7rem; }
.resource-icon { display: grid; place-items: center; width: 50px; height: 50px; margin-bottom: 25px; color: var(--teal); background: var(--ice); border: 1px solid rgba(30,158,147,.16); border-radius: 12px; }
.resource-icon svg { width: 28px; height: 28px; }
.resource-card h3 { margin-bottom: 14px; color: var(--navy); font-family: 'Lora',serif; font-size: 1.34rem; font-weight: 600; line-height: 1.3; }
.resource-card p { margin-bottom: 24px; color: var(--slate); font-size: .94rem; line-height: 1.7; }
.resource-status { position: absolute; right: 34px; bottom: 28px; left: 34px; padding-top: 14px; color: var(--steel); border-top: 1px solid var(--border); font-family: 'JetBrains Mono',monospace; font-size: .68rem; letter-spacing: .06em; text-transform: uppercase; }
.publishing-path { position: relative; z-index: 1; margin-top: 22px; padding: 42px; color: #fff; background: linear-gradient(135deg,var(--deep),var(--editorial)); border: 1px solid rgba(255,255,255,.08); border-radius: 18px; box-shadow: 0 24px 54px rgba(11,22,40,.16); }
.path-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 22px; padding-bottom: 24px; border-bottom: 1px solid rgba(255,255,255,.1); }
.path-heading span { font-family: 'Lora',serif; font-size: 1.6rem; }
.path-heading small { color: rgba(234,242,248,.55); font-family: 'JetBrains Mono',monospace; font-size: .67rem; letter-spacing: .06em; text-transform: uppercase; }
.path-steps { display: grid; grid-template-columns: repeat(4,1fr); margin: 32px 0; padding: 0; list-style: none; }
.path-steps li { position: relative; min-height: 145px; padding: 5px 25px; border-right: 1px solid rgba(255,255,255,.1); }
.path-steps li:first-child { padding-left: 0; }.path-steps li:last-child { padding-right: 0; border-right: 0; }
.path-steps span { display: block; margin-bottom: 18px; color: #72c8c0; font-family: 'JetBrains Mono',monospace; font-size: .7rem; }
.path-steps strong { display: block; margin-bottom: 8px; color: #fff; font-size: 1rem; }
.path-steps p { color: rgba(234,242,248,.62); font-size: .86rem; line-height: 1.55; }
.path-link { display: inline-flex; align-items: center; gap: 10px; color: #72c8c0; font-weight: 650; }
.path-link span { transition: transform 200ms ease; }.path-link:hover span { transform: translateX(4px); }

/* Transparencia y datos editoriales por completar */
.transparency { position: relative; padding: clamp(90px,11vw,140px) 0; background: linear-gradient(145deg,#dce8f0,#edf4f8); }
.transparency::before { position: absolute; inset: 0; opacity: .28; background-image: linear-gradient(rgba(61,88,117,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(61,88,117,.08) 1px,transparent 1px); background-size: 64px 64px; content: ''; pointer-events: none; }
.transparency .container { position: relative; }
.transparency-header { display: grid; grid-template-columns: 1.08fr .92fr; align-items: end; gap: clamp(46px,8vw,110px); margin-bottom: 58px; }
.transparency-header .section-label { margin-bottom: 18px; }
.transparency-title { color: var(--navy); font-family: 'Lora',serif; font-size: clamp(2.15rem,4.4vw,3.7rem); font-weight: 500; letter-spacing: -.035em; line-height: 1.12; text-wrap: balance; }
.transparency-intro { padding: 24px 0 5px 28px; color: var(--slate); border-left: 1px solid rgba(30,158,147,.36); line-height: 1.75; }
.policy-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; overflow: hidden; background: rgba(114,137,158,.25); border: 1px solid rgba(61,88,117,.14); border-radius: 18px; box-shadow: 0 22px 52px rgba(11,22,40,.08); }
.policy-card { position: relative; min-height: 285px; padding: 34px 32px; background: rgba(248,250,252,.96); transition: background-color 300ms ease; }
.policy-card:hover { background: #fff; }
.policy-number { display: block; margin-bottom: 38px; color: var(--teal-dark); font-family: 'JetBrains Mono',monospace; font-size: .67rem; }
.policy-card h3 { margin-bottom: 13px; color: var(--navy); font-family: 'Lora',serif; font-size: 1.3rem; font-weight: 600; }
.policy-card p { margin-bottom: 36px; color: var(--slate); font-size: .91rem; line-height: 1.68; }
.policy-state { position: absolute; right: 32px; bottom: 27px; left: 32px; padding-top: 12px; color: var(--steel); border-top: 1px solid var(--border); font-family: 'JetBrains Mono',monospace; font-size: .61rem; letter-spacing: .06em; text-transform: uppercase; }
.faq-block { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(45px,8vw,100px); margin-top: 70px; padding: clamp(38px,6vw,68px); background: rgba(255,255,255,.72); border: 1px solid rgba(61,88,117,.14); border-radius: 20px; }
.faq-heading .section-label { margin-bottom: 18px; }
.faq-heading h2 { margin-bottom: 17px; color: var(--navy); font-family: 'Lora',serif; font-size: clamp(2rem,3.5vw,3rem); font-weight: 500; line-height: 1.15; }
.faq-heading p { color: var(--slate); line-height: 1.72; }
.faq-list { border-top: 1px solid var(--border); }
.faq-list details { border-bottom: 1px solid var(--border); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 22px; padding: 20px 2px; color: var(--navy); cursor: pointer; font-weight: 650; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { flex: 0 0 auto; color: var(--teal-dark); font-family: 'JetBrains Mono',monospace; font-size: 1.05rem; transition: transform 300ms ease; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { padding: 0 35px 22px 2px; color: var(--slate); font-size: .92rem; line-height: 1.7; }

/* Contacto visual, sin envío */
.cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.btn-cta-secondary { color: #72c8c0; border-color: rgba(114,200,192,.38); }
.contact { padding: clamp(90px,11vw,140px) 0; background: var(--ice); }
.contact-layout { display: grid; grid-template-columns: .85fr 1.15fr; align-items: start; gap: clamp(48px,8vw,110px); }
.contact-copy .section-label { margin-bottom: 20px; }
.contact-title { margin-bottom: 24px; }
.contact-demo-badge { margin-bottom: 15px; }
.contact-lead { margin-bottom: 38px; color: var(--slate); font-size: 1.02rem; line-height: 1.75; }
.contact-details { border-top: 1px solid var(--border); }
.contact-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; padding: 17px 0; border-bottom: 1px solid var(--border); }
.contact-detail-label { color: var(--slate); font-size: .82rem; }
.contact-detail strong { color: var(--navy); font-size: .9rem; font-weight: 600; text-align: right; }
.contact-form-shell { padding: clamp(28px,4vw,46px); background: rgba(255,255,255,.9); border: 1px solid rgba(61,88,117,.16); border-radius: 20px; box-shadow: 0 24px 58px rgba(11,22,40,.1); }
.form-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 28px; }
.form-heading > div > span { color: var(--teal-dark); font-family: 'JetBrains Mono',monospace; font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; }
.form-heading h3 { margin-top: 4px; color: var(--navy); font-family: 'Lora',serif; font-size: 1.65rem; font-weight: 600; }
.contact-form { display: grid; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.contact-form label { display: grid; gap: 7px; color: var(--steel); font-size: .76rem; font-weight: 650; letter-spacing: .04em; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; padding: 13px 14px; color: var(--slate); background: var(--cold); border: 1px solid var(--border); border-radius: 8px; font: 400 .92rem 'Source Sans 3',sans-serif; opacity: 1; resize: vertical; }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: #8999aa; opacity: 1; }
.contact-submit { min-height: 49px; padding: 12px 18px; color: rgba(255,255,255,.72); background: var(--steel); border: 0; border-radius: 8px; cursor: not-allowed; font-weight: 650; opacity: .72; }
.form-note { color: var(--slate); font-size: .76rem; text-align: center; }

.fade-in { transition: opacity 400ms ease, transform 400ms ease; }

@media (max-width: 980px) {
    .nav-menu { gap: 21px; }
    .hero-inner { grid-template-columns: minmax(0,1.2fr) minmax(230px,.8fr); gap: 45px; }
    .hero-logo-glass { width: min(100%,290px); }
    .journal-block, .journal-reversed { gap: 44px; padding: 44px; }
    .resource-card { padding: 28px; }.resource-status { right: 28px; left: 28px; }
    .publishing-path { padding: 34px; }.path-steps li { padding-inline: 18px; }
    .policy-card { padding: 28px 25px; }.policy-state { right: 25px; left: 25px; }
}

@media (max-width: 760px) {
    .container { width: min(100% - 34px,1180px); }
    .site-header { height: 70px; }.menu-toggle { display: block; }
    .nav-menu { position: fixed; inset: 0; z-index: 1000; flex-direction: column; justify-content: center; gap: 28px; color: #fff; background: rgba(7,17,31,.97); opacity: 0; visibility: hidden; transform: translateY(-14px); transition: opacity 300ms ease, visibility 300ms ease, transform 300ms ease; backdrop-filter: blur(16px); }
    .nav-menu.active { opacity: 1; visibility: visible; transform: translateY(0); }.nav-link { font-size: 1rem; }
    .hero { min-height: auto; padding: 0; }.hero-inner { grid-template-columns: 1fr; gap: 56px; padding-block: 130px 80px; text-align: center; }.hero-content { margin-inline: auto; }.hero-label { justify-content: center; }.hero-title { font-size: clamp(2.5rem,11vw,4.4rem); }.hero-logo-glass { width: min(68vw,275px); }
    .features-grid { grid-template-columns: repeat(2,1fr); }.feature-item:nth-child(2) { border-right: 0; }.feature-item:nth-child(-n+2) { border-bottom: 1px solid var(--border); }
    .journal-block, .journal-reversed { grid-template-columns: 1fr; gap: 42px; min-height: 0; padding: 38px 28px; }.journal-cover-col { grid-row: 1; }.journal-info-col { grid-row: 2; text-align: center; }.journal-cover-frame { width: min(76vw,310px); }.journal-color-line, .journal-description { margin-inline: auto; }.journal-actions { justify-content: center; }
    .journal-facts { text-align: left; }
    .articles-panel-inner { padding: 32px 23px; }.article-item { grid-template-columns: 38px minmax(0,1fr); gap: 12px; }.article-demo-badge { grid-column: 2; width: fit-content; margin: 2px 0 0; }.article-item::after { display: none; }.article-item:hover { padding-left: 4px; padding-right: 16px; transform: none; }
    .resources-intro, .contact-layout { grid-template-columns: 1fr; gap: 34px; }.resources-lead { padding-top: 8px; }.resource-grid { grid-template-columns: 1fr; }.resource-card { min-height: 285px; }
    .path-steps { grid-template-columns: repeat(2,1fr); }.path-steps li { padding: 20px; border-bottom: 1px solid rgba(255,255,255,.1); }.path-steps li:nth-child(2) { border-right: 0; }.path-steps li:nth-child(3) { padding-left: 0; border-bottom: 0; }.path-steps li:nth-child(4) { border: 0; }
    .transparency-header, .faq-block { grid-template-columns: 1fr; gap: 34px; }.transparency-intro { padding-top: 8px; }.policy-grid { grid-template-columns: repeat(2,1fr); }.faq-block { padding: 38px; }
}

@media (max-width: 520px) {
    .container { width: min(100% - 28px,1180px); }.hero-inner { padding-top: 116px; }.hero-label { font-size: .67rem; letter-spacing: .13em; }.hero-title { font-size: 2.55rem; }.hero-text { font-size: .98rem; }.about, .journals { padding-block: 80px; }
    .features-grid { grid-template-columns: 1fr; }.feature-item { min-height: 142px; padding: 28px 16px; border-right: 0; border-bottom: 1px solid var(--border); }.feature-item:last-child { border-bottom: 0; }
    .journal-block { margin-top: 34px; padding: 28px 18px 32px; border-radius: 18px; }.journal-cover-frame { width: min(78vw,290px); }.journal-name { font-size: 2rem; }.journal-actions { flex-direction: column; }.btn-journal { width: 100%; }
    .journal-facts { grid-template-columns: repeat(2,1fr); }.journal-facts div:nth-child(n+4) { border-bottom: 1px solid var(--border); }.journal-facts div:nth-child(n+5) { border-bottom: 0; }
    .articles-panel-inner { padding: 27px 17px; }.articles-panel-header { flex-direction: column; gap: 14px; }.article-title { font-size: 1.13rem; }.article-abstract { font-size: .88rem; }
    .author-resources, .contact { padding-block: 78px; }.resources-title, .contact-title { font-size: 2.18rem; }.resources-lead { padding-left: 20px; }.resource-card { min-height: 300px; padding: 28px 24px; }.resource-status { right: 24px; left: 24px; }
    .publishing-path { padding: 28px 22px; }.path-heading { align-items: flex-start; flex-direction: column; }.path-steps { grid-template-columns: 1fr; }.path-steps li, .path-steps li:first-child, .path-steps li:nth-child(3) { min-height: 0; padding: 20px 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.1); }.path-steps li:last-child { border-bottom: 0; }
    .transparency { padding-block: 78px; }.transparency-title { font-size: 2.18rem; }.transparency-intro { padding-left: 20px; }.policy-grid { grid-template-columns: 1fr; }.policy-card { min-height: 260px; }.faq-block { margin-top: 42px; padding: 30px 22px; }.faq-list summary { align-items: flex-start; }
    .cta-actions { flex-direction: column; align-items: stretch; }.cta-actions .btn-cta { width: 100%; }.contact-form-shell { padding: 26px 20px; }.form-heading { flex-direction: column; }.form-row { grid-template-columns: 1fr; }.contact-detail { grid-template-columns: 1fr; gap: 2px; }.contact-detail strong { text-align: left; }
}

/* Composición compacta para monitores de escritorio con poca altura */
@media (min-width: 981px) and (max-height: 760px) {
    .site-header { height: 74px; }

    .hero { min-height: 100svh; }
    .hero-inner { gap: 70px; padding-block: 105px 38px; }
    .hero-label { margin-bottom: 18px; }
    .hero-title { max-width: 610px; margin-bottom: 18px; font-size: clamp(2.8rem,4.4vw,4rem); line-height: 1.02; }
    .hero-text { margin-bottom: 24px; font-size: 1rem; line-height: 1.65; }
    .hero-logo-glass { width: min(100%,270px); padding: 28px; border-radius: 20px; }

    .about { padding-block: 54px; }
    .about-header { margin-bottom: 30px; }
    .about-header .section-label { margin-bottom: 10px; }
    .about-title { margin-bottom: 12px; font-size: 2.25rem; }
    .about-text { max-width: 740px; font-size: .96rem; line-height: 1.62; }
    .feature-item { min-height: 132px; padding: 22px 16px; }
    .feature-icon { width: 36px; height: 36px; margin-bottom: 12px; }

    .journal-block,
    .journal-reversed {
        min-height: calc(100svh - 96px);
        gap: 58px;
        padding: 20px 60px;
    }
    .journal-cover-frame { width: min(100%,270px); }
    .journal-color-line { width: 46px; margin-bottom: 14px; }
    .journal-name { margin-bottom: 8px; font-size: clamp(2rem,3.25vw,2.75rem); line-height: 1.04; }
    .journal-issn { margin-bottom: 13px; font-size: .68rem; }
    .journal-description { margin-bottom: 15px; font-size: .92rem; line-height: 1.5; }
    .journal-facts { margin-bottom: 16px; }
    .journal-facts div { padding-block: 7px; }
    .journal-facts dt { font-size: .56rem; }
    .journal-facts dd { font-size: .75rem; }
    .btn-journal { min-height: 43px; padding: 9px 18px; font-size: .84rem; }

    .author-resources { padding-block: 64px; }
    .resources-intro { align-items: center; margin-bottom: 40px; }
    .resources-title { font-size: 2.65rem; }
    .resource-grid { gap: 22px; }
    .resource-card { min-height: 286px; padding: 30px 30px 66px; }
    .resource-icon { width: 44px; height: 44px; margin-bottom: 19px; }
    .resource-card h3 { margin-bottom: 12px; }
    .resource-card p { margin-bottom: 0; line-height: 1.62; }
    .resource-status { right: 30px; bottom: 22px; left: 30px; }

    .publishing-path { margin-top: 34px; padding: 32px 34px 30px; }
    .path-heading { align-items: center; padding-bottom: 19px; }
    .path-steps { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; margin-block: 22px; }
    .path-steps li,
    .path-steps li:first-child,
    .path-steps li:nth-child(3),
    .path-steps li:last-child {
        min-height: 112px;
        padding: 18px 20px 17px 64px;
        background: rgba(255,255,255,.035);
        border: 1px solid rgba(255,255,255,.09);
        border-radius: 12px;
    }
    .path-steps span { position: absolute; top: 18px; left: 20px; display: grid; place-items: center; width: 30px; height: 30px; margin: 0; background: rgba(30,158,147,.12); border: 1px solid rgba(114,200,192,.22); border-radius: 50%; }
    .path-steps strong { margin-bottom: 6px; }
    .path-steps p { max-width: 420px; }

    .cta { padding-block: 70px; }
    .cta-title { margin-bottom: 14px; font-size: 3rem; }
    .cta-text { margin-bottom: 22px; }

    .contact { min-height: calc(100svh - 74px); padding-block: 24px; }
    .contact-layout { align-items: center; gap: 70px; }
    .contact-copy .section-label { margin-bottom: 11px; }
    .contact-title { margin-bottom: 14px; font-size: 2.7rem; }
    .contact-demo-badge { margin-bottom: 10px; }
    .contact-lead { margin-bottom: 20px; font-size: .92rem; line-height: 1.58; }
    .contact-detail { padding-block: 10px; }
    .contact-form-shell { padding: 25px 30px; }
    .form-heading { margin-bottom: 16px; }
    .form-heading h3 { font-size: 1.4rem; }
    .contact-form { gap: 11px; }
    .contact-form input,
    .contact-form select,
    .contact-form textarea { padding: 9px 11px; }
    .contact-form textarea { max-height: 76px; }
    .contact-submit { min-height: 42px; padding-block: 8px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *,*::before,*::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
    .fade-in { opacity: 1; transform: none; }
}