:root {
    --paper: #f3f0e9;
    --ink: #181818;
    --muted: #6d6a64;
    --line: rgba(24, 24, 24, .25);
    --dark: #151515;
    --serif: Georgia, "Times New Roman", serif;
    --sans: Arial, Helvetica, sans-serif;
    --page: min(1180px, 88vw);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); }
a { color: inherit; }
p { text-wrap: pretty; }

.skip-link { position: fixed; top: .5rem; left: .5rem; z-index: 100; padding: .75rem 1rem; background: #fff; color: #000; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header { min-height: 76px; padding: 0 5vw; display: flex; align-items: center; gap: 2.5rem; background: var(--paper); border-bottom: 1px solid var(--line); position: relative; z-index: 20; }
.brand { margin-right: auto; color: #111; text-decoration: none; font-size: 1.15rem; font-weight: 800; letter-spacing: .1em; white-space: nowrap; }
.desktop-nav { display: flex; align-items: center; gap: 1.5rem; }
.desktop-nav a, .desktop-nav .nav-pending, .language-switcher { font-size: .82rem; }
.desktop-nav a, .language-switcher a { text-decoration: none; }
.desktop-nav a { padding: 1.8rem 0; border-bottom: 2px solid transparent; }
.desktop-nav a:hover, .desktop-nav a:focus-visible, .desktop-nav a.active { border-color: currentColor; }
.nav-pending { color: var(--muted); cursor: default; }
.nav-pending small { display: block; font-size: .58rem; text-transform: uppercase; letter-spacing: .08em; }
.language-switcher { display: flex; gap: .35rem; }
.language-switcher a { color: var(--muted); }
.language-switcher a.active { color: var(--ink); font-weight: 700; }
.mobile-menu { display: none; }

.section { width: var(--page); margin-inline: auto; padding-block: 7rem; }
.section-tight { width: min(820px, 88vw); margin-inline: auto; padding-block: 5.5rem; }
.eyebrow { margin: 0; text-transform: uppercase; letter-spacing: .16em; font-size: .7rem; font-weight: 700; }
.text-link, .inline-link { text-underline-offset: .3em; }
.text-link { display: inline-block; margin-top: 1rem; text-decoration-thickness: 1px; }

.hero { min-height: 76vh; position: relative; display: flex; align-items: flex-end; color: #fff; background: #272727 url('../images/hero-porto-prototipo.png') center / cover no-repeat; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.8), rgba(0,0,0,.42) 60%, rgba(0,0,0,.12)); }
.hero-content { position: relative; z-index: 1; width: min(950px, 86vw); padding: 8vh 7vw; }
.hero h1 { margin: .5rem 0 0; font-size: clamp(4rem, 10vw, 9rem); line-height: .88; letter-spacing: -.055em; }
.hero-claim { margin: 1.6rem 0 .5rem; font: clamp(2rem, 4vw, 3.5rem)/1.1 var(--serif); }
.hero-intro { max-width: 650px; font-size: 1.1rem; line-height: 1.65; }

.section-heading h2, .page-hero h1 { max-width: 850px; margin: .5rem 0 3rem; font: 400 clamp(2.8rem, 5vw, 5rem)/1.03 var(--serif); letter-spacing: -.025em; }
.featured-story { display: grid; grid-template-columns: 1.6fr 1fr; gap: 4rem; align-items: center; }
.media-placeholder { aspect-ratio: 16 / 9; display: grid; place-items: center; background: #d4cec4; color: #6c6861; text-transform: uppercase; letter-spacing: .12em; font-size: .65rem; }
.featured-content h3 { margin: .4rem 0 1.2rem; font: 400 2.3rem/1.08 var(--serif); }
.featured-content p { line-height: 1.7; }

.areas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3rem; border-top: 1px solid #aaa; }
.areas article, .principles article, .contact-grid article { border-top: 4px solid var(--ink); padding-top: 1rem; }
.areas article > span, .principles span, .contact-grid article > span { font-size: .7rem; }
.areas h2 { font: 400 2rem/1.15 var(--serif); }
.areas p { line-height: 1.65; }

.inside-porto, .statement, .independence { padding: 9rem 7vw; background: var(--dark); color: #fff; }
.inside-porto > div, .statement > div, .independence > div { max-width: 920px; }
.inside-porto h2, .statement h2, .independence h2 { margin: .6rem 0 1.5rem; font: 400 clamp(3rem, 6vw, 5.7rem)/.98 var(--serif); letter-spacing: -.025em; }
.inside-porto p, .independence p { max-width: 720px; line-height: 1.75; font-size: 1.1rem; }
.project-intro { max-width: 800px; }
.project-intro h2, .editorial-block h2, .approach h2, .press-grid h2, .press-intro h2, .experience h2, .contact-band h2 { font: 400 clamp(2.3rem, 4vw, 3.5rem)/1.08 var(--serif); }
.project-intro > p:not(.eyebrow), .editorial-block > p:not(.eyebrow) { font-size: 1.12rem; line-height: 1.8; }

.page-hero { padding-top: 9rem; padding-bottom: 6rem; }
.page-hero h1 { margin-bottom: 1.5rem; }
.page-lead { max-width: 720px; font: 400 clamp(1.35rem, 2.2vw, 1.8rem)/1.45 var(--serif); }
.page-hero-dark { width: auto; padding: 0; background: var(--dark); color: #fff; }
.page-hero-dark .section { padding-top: 8rem; padding-bottom: 7rem; }
.approach { border-block: 1px solid var(--line); }
.principles { margin-top: 3rem; display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
.principles h3, .people h3 { font: 400 1.7rem/1.15 var(--serif); }
.principles p, .people p { line-height: 1.65; }
.people { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4rem; }
.statement { margin-top: 3rem; }

.press-intro, .press-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6rem; }
.press-intro > p { margin-top: 1.8rem; font: 400 1.35rem/1.65 var(--serif); }
.press-grid { border-top: 1px solid var(--line); }
.editorial-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--ink); }
.editorial-list li { padding: 1rem 0; border-bottom: 1px solid var(--line); line-height: 1.4; }
.independence > div { margin-inline: auto; }
.independence h2 { font-size: clamp(2.8rem, 5vw, 4.8rem); }
.experience { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; }
.experience ul { margin: 0; padding: 0; list-style: none; }
.experience li { display: grid; grid-template-columns: 3rem 1fr; padding: 1.25rem 0; border-top: 1px solid var(--ink); font: 400 1.3rem/1.35 var(--serif); }
.experience li span { font: 700 .65rem/1.5 var(--sans); }
.contact-band { padding: 6rem 7vw; background: #d8d1c5; }
.contact-band > div { width: min(760px, 100%); }
.contact-placeholder { display: flex; flex-wrap: wrap; gap: .75rem 2rem; padding-top: 1.5rem; border-top: 1px solid var(--ink); color: #4c4944; }
.contact-placeholder span { text-transform: uppercase; letter-spacing: .12em; font-size: .68rem; }
.contact-placeholder strong { font-weight: 400; }

.contact-page-hero { padding-bottom: 3.5rem; }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4rem 3rem; padding-top: 2rem; }
.contact-grid h2 { font: 400 2rem/1.15 var(--serif); }
.contact-grid p { line-height: 1.65; }
.contact-grid .contact-placeholder { font-size: .85rem; }
.contact-credit { width: var(--page); margin: -2rem auto 0; padding-bottom: 5rem; color: var(--muted); font-size: .85rem; }

.archive-page-hero { padding-top: 6.5rem; padding-bottom: 4rem; }
.report-archive { padding-top: 0; }
.report-featured { margin-bottom: 5rem; }
.report-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4rem 2rem; }
.report-media { aspect-ratio: 16 / 9; display: block; overflow: hidden; background: #d4cec4; }
.report-media img { width: 100%; height: 100%; display: block; object-fit: cover; }
.report-media-vertical { background: #242424; }
.report-media-vertical img { object-fit: contain; }
.report-card-content { padding-top: 1.4rem; }
.report-card h2 { margin: .5rem 0 1rem; font: 400 1.8rem/1.12 var(--serif); }
.report-card h2 a { text-decoration: none; }
.report-card h2 a:hover, .report-card h2 a:focus-visible { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: .18em; }
.report-card-content > p:not(.eyebrow) { line-height: 1.65; }
.report-card time { display: block; margin-top: 1.25rem; color: var(--muted); font-size: .75rem; }
.report-card-featured { display: grid; grid-template-columns: 1.6fr 1fr; gap: 4rem; align-items: center; padding-bottom: 4rem; border-bottom: 1px solid var(--line); }
.report-card-featured .report-card-content { padding-top: 0; }
.report-card-featured h2 { font-size: 2.5rem; }

.report-detail-header { padding-top: 6.5rem; padding-bottom: 4rem; }
.report-back { display: inline-block; margin-bottom: 4rem; color: var(--muted); font-size: .78rem; text-decoration: none; }
.report-back:hover, .report-back:focus-visible { color: var(--ink); text-decoration: underline; text-underline-offset: .25em; }
.report-detail-header h1 { max-width: 1050px; margin: .65rem 0 1.75rem; font: 400 clamp(3.2rem, 6vw, 6.4rem)/.98 var(--serif); letter-spacing: -.035em; }
.report-detail-header .page-lead { max-width: 800px; }
.report-video-section { padding-top: 0; padding-bottom: 0; }
.report-video-stage-vertical { display: grid; place-items: center; padding: 3rem; background: #242424; }
.report-video { position: relative; width: 100%; aspect-ratio: 16 / 9; overflow: hidden; background: var(--dark); }
.report-video-vertical { width: min(420px, 100%); aspect-ratio: 9 / 16; }
.report-video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.report-video-trigger { position: absolute; inset: 0; display: grid; width: 100%; height: 100%; place-items: center; padding: 0; border: 0; color: #fff; background: var(--dark); cursor: pointer; font: inherit; }
.report-video-trigger::after { content: ""; position: absolute; inset: 0; background: rgba(0, 0, 0, .12); }
.report-video-trigger img { position: absolute; inset: 0; width: 100%; height: 100%; display: block; object-fit: cover; }
.report-video-play { position: relative; z-index: 1; width: 4.75rem; height: 4.75rem; display: grid; place-items: center; border: 1px solid rgba(255, 255, 255, .8); border-radius: 50%; background: rgba(20, 20, 20, .72); transition: transform .2s ease, background-color .2s ease; }
.report-video-play::before { content: ""; width: 0; height: 0; margin-left: .28rem; border-top: .72rem solid transparent; border-bottom: .72rem solid transparent; border-left: 1.15rem solid currentColor; }
.report-video-fallback-label { position: absolute; z-index: 1; top: calc(50% + 3.25rem); text-transform: uppercase; letter-spacing: .12em; font-size: .68rem; }
.report-video-trigger:hover .report-video-play, .report-video-trigger:focus-visible .report-video-play { transform: scale(1.06); background: rgba(20, 20, 20, .88); }
.report-video-trigger:focus-visible, .report-video iframe:focus-visible { outline: 3px solid #fff; outline-offset: -6px; }
.report-body-layout { display: grid; grid-template-columns: minmax(0, 2fr) minmax(240px, .8fr); gap: 7rem; align-items: start; }
.report-copy { max-width: 720px; }
.report-copy h2 { margin: 0 0 2rem; font: 400 clamp(2.4rem, 4vw, 3.6rem)/1.08 var(--serif); letter-spacing: -.02em; }
.report-copy p { margin: 0 0 1.5rem; font: 400 1.1rem/1.85 var(--serif); }
.report-facts { border-top: 1px solid var(--line); padding-top: 1.25rem; color: #35332f; }
.report-facts > .eyebrow { color: var(--muted); }
.report-facts dl { margin: 1.5rem 0 0; }
.report-facts dl > div { padding: 1rem 0; border-top: 1px solid var(--line); }
.report-facts dt { margin-bottom: .35rem; color: var(--muted); font-size: .68rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.report-facts dd { margin: 0; line-height: 1.5; }
.report-facts a { text-underline-offset: .25em; }
.report-related { border-top: 1px solid var(--line); }
.report-related .section-heading h2 { margin-bottom: 3.5rem; }

.site-footer { padding: 3rem 5vw; background: #0f0f0f; color: #eee; display: flex; justify-content: space-between; gap: 3rem; font-size: .85rem; }
.site-footer p { margin: .6rem 0 0; color: #aaa; }

@media (max-width: 1000px) {
    .desktop-nav { gap: 1rem; }
    .desktop-nav a, .desktop-nav .nav-pending { font-size: .76rem; }
}

@media (max-width: 850px) {
    .site-header { min-height: 68px; gap: 1.2rem; }
    .desktop-nav { display: none; }
    .language-switcher { margin-left: auto; }
    .mobile-menu { display: block; }
    .mobile-menu summary { display: flex; align-items: center; gap: .6rem; list-style: none; cursor: pointer; text-transform: uppercase; letter-spacing: .1em; font-size: .7rem; }
    .mobile-menu summary::-webkit-details-marker { display: none; }
    .menu-icon, .menu-icon::before, .menu-icon::after { display: block; width: 20px; height: 1px; background: currentColor; content: ""; transition: transform .2s; }
    .menu-icon { position: relative; }
    .menu-icon::before { position: absolute; top: -6px; }
    .menu-icon::after { position: absolute; top: 6px; }
    .mobile-menu[open] .menu-icon { background: transparent; }
    .mobile-menu[open] .menu-icon::before { top: 0; transform: rotate(45deg); }
    .mobile-menu[open] .menu-icon::after { top: 0; transform: rotate(-45deg); }
    .mobile-menu nav { position: absolute; top: 68px; left: 0; right: 0; padding: 1rem 5vw 2rem; display: grid; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: 0 1rem 2rem rgba(0,0,0,.08); }
    .mobile-menu nav a, .mobile-menu nav .nav-pending { padding: 1rem 0; border-bottom: 1px solid var(--line); text-decoration: none; font: 400 1.5rem/1.2 var(--serif); }
    .mobile-menu nav small { display: inline; margin-left: .5rem; font-family: var(--sans); }
    .featured-story, .report-card-featured, .press-intro, .press-grid, .experience { grid-template-columns: 1fr; gap: 2.5rem; }
    .report-body-layout { grid-template-columns: 1fr; gap: 4rem; }
    .report-copy { max-width: 760px; }
    .areas, .principles { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
    .hero { min-height: 70vh; background-position: 64% center; }
    .report-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
    .brand { font-size: .92rem; }
    .site-header { padding-inline: 4vw; gap: .8rem; }
    .language-switcher { font-size: .72rem; }
    .mobile-menu summary > span:first-child { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
    .hero-content { width: 92vw; padding: 7vh 6vw; }
    .hero h1 { font-size: clamp(3.5rem, 18vw, 5.5rem); }
    .section { padding-block: 5rem; }
    .report-detail-header { padding-top: 4.5rem; padding-bottom: 3rem; }
    .report-detail-header h1 { font-size: 3.2rem; }
    .report-back { margin-bottom: 3rem; }
    .report-video-section { padding-block: 0; }
    .report-video-stage-vertical { padding: 1rem; }
    .report-body-layout { padding-top: 4rem; }
    .section-tight { padding-block: 4rem; }
    .areas, .principles, .people, .contact-grid, .report-grid { grid-template-columns: 1fr; }
    .inside-porto, .statement, .independence { padding: 6rem 6vw; }
    .inside-porto h2, .statement h2, .independence h2 { font-size: 2.7rem; }
    .page-hero { padding-top: 6rem; }
    .archive-page-hero { padding-top: 4.5rem; padding-bottom: 3rem; }
    .page-hero h1 { font-size: 3.2rem; }
    .site-footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; }
}