/* Rick Rocharca portfolio: shared stylesheet
   Mobile-first. No web fonts, no JavaScript, no external requests. */

:root {
  --paper: #eef0f7;
  --paper-light: #f8f9fd;
  --mist: #dde1f0;
  --ink: #11132b;
  --ink-soft: #3a3e5c;
  --cobalt: #3346f2;
  --cobalt-deep: #2433c4;
  --cobalt-light: #8d99ff;
  --saffron: #ffbf47;
  --blush: #f6b9cb;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --gutter: clamp(1.25rem, 5vw, 3.5rem);
  --max: 72rem;
  --leaf: clamp(2rem, 8vw, 4.5rem);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 1rem;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 1.0625rem/1.7 var(--sans);
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; height: auto; }

a { color: var(--cobalt-deep); text-underline-offset: 0.2em; }
a:hover { color: var(--ink); }

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

.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 10;
  background: var(--ink); color: var(--paper);
  padding: 0.75rem 1rem; border-radius: 0 0 0.75rem 0.75rem;
}
.skip-link:focus { top: 0; }

.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }

h1, h2, h3 { font-family: var(--serif); font-weight: 400; letter-spacing: -0.02em; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(2.5rem, 8vw, 5.25rem); line-height: 1.03; letter-spacing: -0.03em; }
.hero h1 { font-size: clamp(2.25rem, 5.8vw, 4.4rem); }
h2 { font-size: clamp(1.9rem, 5vw, 3rem); line-height: 1.1; }
h3 { font-size: clamp(1.35rem, 3vw, 1.75rem); line-height: 1.2; }
p { margin: 0 0 1.15rem; }
.lead { font-size: clamp(1.15rem, 2.4vw, 1.35rem); line-height: 1.55; max-width: 38rem; }
.muted { color: var(--ink-soft); }

/* ---------- Header ---------- */

.site-header { padding-block: 1.4rem; }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.75rem 2rem; }

.brand { display: inline-flex; align-items: center; gap: 0.65rem; color: var(--ink); text-decoration: none; font-family: var(--serif); font-size: 1.3rem; letter-spacing: -0.01em; }
.brand svg { width: 2rem; height: 2rem; }

.nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.25rem 1.5rem; }
.nav a { display: inline-block; padding: 0.5rem 0; color: var(--ink); text-decoration: none; font-size: 0.97rem; }
.nav a:hover { box-shadow: inset 0 -2px 0 var(--ink); }
.nav a[aria-current] { box-shadow: inset 0 -3px 0 var(--cobalt); }

/* ---------- Buttons ---------- */

.actions { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-top: 2rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 2.9rem; padding: 0.65rem 1.5rem;
  border: 2px solid var(--ink); border-radius: 999px;
  font-weight: 600; font-size: 1rem; text-decoration: none;
  background: var(--ink); color: var(--paper);
}
.btn:hover { background: var(--cobalt-deep); border-color: var(--cobalt-deep); color: #fff; }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }

/* ---------- Home hero ---------- */

.hero { padding-block: clamp(2rem, 7vw, 4.5rem) clamp(2.5rem, 7vw, 4rem); }
.hero .wrap { display: grid; gap: 2.5rem; }
.hero .place { margin-top: 1.25rem; font-size: 0.97rem; color: var(--ink-soft); }

.hero-art { position: relative; width: min(100%, 36rem); margin-inline: auto; aspect-ratio: 1; }
.hero-svg { display: block; width: 100%; height: 100%; }
.hero-art .portrait {
  position: absolute; left: 20%; top: 20%; width: 60%; height: 73.33%;
  object-fit: cover; object-position: 50% 30%; border-radius: 999px 999px 0 0; pointer-events: none;
}

@media (min-width: 56rem) {
  .hero .wrap { grid-template-columns: 1.15fr 0.85fr; align-items: center; gap: 2.5rem; }
}

/* ---------- Proof strip ---------- */

.proof { list-style: none; margin: 0 0 clamp(2.5rem, 7vw, 4.5rem); padding: 1.5rem 0 0; border-top: 2px solid var(--ink); display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.75rem 1.25rem; }
.proof strong { display: block; font-family: var(--serif); font-weight: 400; font-size: clamp(1.6rem, 5vw, 2.4rem); line-height: 1.1; letter-spacing: -0.02em; }
.proof span { display: block; font-size: 0.93rem; color: var(--ink-soft); margin-top: 0.25rem; }
@media (min-width: 56rem) { .proof { grid-template-columns: repeat(5, 1fr); } }

/* ---------- Logo strip ---------- */

.logos { padding-bottom: clamp(3rem, 8vw, 5rem); }
.logos p { font-size: 0.97rem; color: var(--ink-soft); margin-bottom: 1.25rem; }
.logos ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem 3rem; }
.logos img { height: 2rem; width: auto; filter: grayscale(1); mix-blend-mode: multiply; opacity: 0.72; }
.logos li:nth-child(2) img { height: 2.9rem; }
.logos li:nth-child(3) img { height: 2.4rem; }
@media (min-width: 48rem) { .logos img { height: 2.4rem; } .logos li:nth-child(2) img { height: 3.4rem; } .logos li:nth-child(3) img { height: 2.8rem; } }

/* ---------- How I lead (dark band) ---------- */

.band { background: var(--ink); color: var(--paper); padding-block: clamp(3.5rem, 9vw, 6.5rem); }
.band a { color: var(--saffron); }
.band :focus-visible { outline-color: var(--saffron); }
.principles { display: grid; gap: 2.5rem; margin-top: clamp(2rem, 5vw, 3.5rem); }
.principle { border-top: 1px solid rgba(238, 240, 247, 0.28); padding-top: 1.5rem; }
.principle svg { width: 3.5rem; height: 3.5rem; margin-bottom: 1.1rem; }
.principle h3 { margin-bottom: 0.75rem; }
.principle p { color: #d3d7ee; max-width: 30rem; }
.principle .label { color: var(--saffron); font-weight: 600; }
@media (min-width: 48rem) { .principles { grid-template-columns: 1fr 1fr; gap: 3.5rem 4.5rem; } }

/* ---------- Case study cards ---------- */

.work { padding-block: clamp(3.5rem, 9vw, 6.5rem); }
.cards { display: grid; gap: 3.5rem 2.5rem; margin-top: clamp(2rem, 5vw, 3.5rem); }
.card { position: relative; display: flex; flex-direction: column; gap: 1.25rem; }
.card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-top-right-radius: var(--leaf); }
.card h3 { margin-bottom: 0.6rem; }
.card h3 a { color: var(--ink); text-decoration: none; }
.card h3 a::after { content: ""; position: absolute; inset: 0; }
.card:hover h3 a { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 0.2em; }
.card h3 a:focus-visible { outline: none; }
.card h3 a:focus-visible::after { outline: 3px solid var(--cobalt); outline-offset: 6px; }
.card p { margin: 0; color: var(--ink-soft); max-width: 34rem; }

@media (min-width: 48rem) {
  .cards { grid-template-columns: 1fr 1fr; }
  .card--lead { grid-column: 1 / -1; display: grid; grid-template-columns: 1.15fr 1fr; align-items: end; gap: 3rem; }
  .card--lead h3 { font-size: clamp(1.75rem, 3.4vw, 2.4rem); }
}

/* ---------- Inner page headers ---------- */

.page-head { padding-block: clamp(2rem, 7vw, 4rem) clamp(1.5rem, 4vw, 2.5rem); }
.page-head h1 { max-width: 16ch; }
.page-head .lead { margin-top: 1.5rem; }

/* ---------- About header ---------- */
.about-head .wrap { display: grid; gap: 2.5rem; align-items: center; }
.about-art { position: relative; width: min(100%, 30rem); margin-inline: auto; aspect-ratio: 1; }
.about-art .hero-svg { display: block; width: 100%; height: 100%; }
.about-art .photo {
  position: absolute; left: 20%; top: 7%; width: 58%; height: 78.7%;
  object-fit: cover; object-position: 50% 40%; border-radius: 999px 999px 0 0; pointer-events: none;
}
@media (min-width: 56rem) {
  .about-head .wrap { grid-template-columns: 1.1fr 0.9fr; gap: 3rem; }
}

/* ---------- About ---------- */

.prose { max-width: 40rem; }

.section { padding-block: clamp(2.75rem, 7vw, 4.5rem); }
.section > .wrap > h2 { margin-bottom: clamp(1.5rem, 4vw, 2.5rem); }

.journey { list-style: none; margin: 0; padding: 0; }
.journey li { display: grid; gap: 0.6rem; padding-block: 1.75rem; border-top: 1px solid rgba(17, 19, 43, 0.22); }
.journey .when { color: var(--ink-soft); font-size: 0.97rem; }
.journey h3 { font-size: 1.5rem; }
.journey .where { font-weight: 600; margin-bottom: 0.5rem; }
.journey p:last-child { margin-bottom: 0; max-width: 38rem; }
@media (min-width: 48rem) {
  .journey li { grid-template-columns: 13rem 1fr; gap: 2.5rem; }
}

.edu { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; }
.edu li { display: grid; gap: 0.15rem; }
.edu .when { color: var(--ink-soft); font-size: 0.97rem; }
@media (min-width: 48rem) {
  .edu li { grid-template-columns: 13rem 1fr; gap: 2.5rem; }
}

.testimonials { display: grid; gap: 1.5rem; }
.testimonial { margin: 0; padding: 1.75rem; background: var(--paper-light); border-radius: 0 var(--leaf) 0 0; display: flex; flex-direction: column; gap: 1.25rem; }
.testimonial blockquote { margin: 0; font-size: 1.02rem; }
.testimonial figcaption { display: flex; align-items: center; gap: 0.9rem; margin-top: auto; }
.avatar { flex: none; width: 2.75rem; height: 2.75rem; display: grid; place-items: center; font-family: var(--serif); font-size: 1.1rem; color: var(--ink); }
.avatar--circle { border-radius: 50%; background: var(--saffron); }
.avatar--arch { border-radius: 999px 999px 0 0; background: var(--blush); }
.avatar--quarter { border-radius: 100% 0 0 0; background: var(--cobalt-light); }
.avatar--square { border-radius: 0; background: var(--mist); }
.testimonial cite { display: block; font-style: normal; font-weight: 600; }
.testimonial .role { display: block; font-size: 0.93rem; color: var(--ink-soft); }
@media (min-width: 48rem) { .testimonials { grid-template-columns: 1fr 1fr; } }

.offwork-grid { display: grid; gap: 2rem; }
@media (min-width: 48rem) { .offwork-grid { grid-template-columns: 20rem 1fr; gap: 3.5rem; align-items: end; } }

/* ---------- Case study pages ---------- */

.case-head { padding-block: clamp(2rem, 7vw, 4rem) clamp(1.5rem, 4vw, 2.5rem); }
.case-head h1 { font-size: clamp(2.2rem, 6.5vw, 4.25rem); max-width: 20ch; }
.case-head .lead { margin-top: 1.5rem; }

.meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr)); gap: 1.5rem 2rem; margin: clamp(2rem, 4vw, 3rem) 0 0; padding: 1.5rem 0 0; border-top: 2px solid var(--ink); }
.meta dt { font-size: 0.88rem; color: var(--ink-soft); }
.meta dd { margin: 0.15rem 0 0; font-weight: 600; }

.case-cover { padding-bottom: clamp(1.25rem, 4vw, 2.5rem); }
.case-cover img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-top-right-radius: var(--leaf); max-height: 70vh; }
@media (min-width: 48rem) { .case-cover img { aspect-ratio: 16 / 9; } }

.case-block { padding-block: clamp(1.75rem, 5vw, 3rem); display: grid; gap: 1rem; }
.case-block h2 { font-size: clamp(1.5rem, 3.5vw, 2rem); }
.case-block .body { max-width: 40rem; }
.case-block .body > :last-child { margin-bottom: 0; }
.case-block ul { margin: 0; padding-left: 1.2rem; display: grid; gap: 0.8rem; }
.case-block li::marker { color: var(--cobalt); }
.case-block .challenge + .challenge { margin-top: 1.5rem; }
.case-block .challenge h3 { font-family: var(--sans); font-size: 1.05rem; font-weight: 700; letter-spacing: 0; margin-bottom: 0.25rem; }
.case-block .challenge p { margin: 0; }
@media (min-width: 56rem) {
  .case-block { grid-template-columns: 14rem 1fr; gap: 3rem; border-top: 1px solid rgba(17, 19, 43, 0.22); }
}

.case-nav { display: grid; gap: 1.25rem; margin-top: clamp(2rem, 5vw, 3.5rem); padding-block: 1.75rem clamp(3rem, 7vw, 4.5rem); border-top: 2px solid var(--ink); }
.case-nav a { display: block; text-decoration: none; color: var(--ink); }
.case-nav .dir { display: block; font-size: 0.88rem; color: var(--ink-soft); }
.case-nav .name { font-family: var(--serif); font-size: 1.35rem; line-height: 1.25; }
.case-nav a:hover .name { text-decoration: underline; text-decoration-thickness: 2px; }
@media (min-width: 48rem) { .case-nav { grid-template-columns: 1fr 1fr; gap: 3rem; } .case-nav .next { text-align: right; grid-column: 2; } }

/* ---------- CV page ---------- */

.cv { max-width: 44rem; }
.cv h2 { font-size: clamp(1.5rem, 3.5vw, 2rem); margin: 2.5rem 0 1rem; padding-top: 1.5rem; border-top: 1px solid rgba(17, 19, 43, 0.22); }
.cv h2:first-child { margin-top: 0; }
.cv h3 { font-family: var(--sans); font-size: 1.1rem; font-weight: 700; letter-spacing: 0; }
.cv .role-meta { color: var(--ink-soft); font-size: 0.97rem; margin: 0.15rem 0 0.5rem; }
.cv .entry { margin-bottom: 1.75rem; }
.cv ul { margin: 0.75rem 0 0; padding-left: 1.2rem; display: grid; gap: 0.6rem; }
.cv li::marker { color: var(--cobalt); }

/* ---------- Footer ---------- */

.site-footer { position: relative; margin-top: clamp(2rem, 6vw, 4rem); padding-block: 3.5rem 2.5rem; background: var(--mist); font-size: 0.97rem; }
.site-footer::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1.1rem;
  background:
    radial-gradient(circle at 50% 100%, var(--ink) 0 0.55rem, transparent 0.57rem) 0 0 / 2.2rem 1.1rem repeat-x;
}
.site-footer .wrap { display: grid; gap: 1.5rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.25rem 1.5rem; }
.site-footer a { color: var(--ink); }
.site-footer .contact { font-family: var(--serif); font-size: 1.35rem; }
@media (min-width: 48rem) { .site-footer .wrap { grid-template-columns: 1fr auto; align-items: end; } }

/* ---------- Locked card note, embed, photos ---------- */

.card .lock { display: flex; align-items: flex-start; gap: 0.6rem; margin-top: 1.1rem; font-size: 0.93rem; }
.lock-icon { flex: none; width: 1rem; height: 1rem; margin-top: 0.35rem; color: var(--ink); }
.card .request { position: relative; z-index: 1; }

.embed { position: relative; aspect-ratio: 16 / 9; margin-top: 2rem; background: var(--mist); border-top-right-radius: var(--leaf); overflow: hidden; }
.embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.kenai { margin: 0; }
.kenai img { width: 100%; max-width: 20rem; aspect-ratio: 3 / 4; object-fit: cover; border-radius: 999px 999px 0 0; }

/* ---------- Print (handy for the CV page) ---------- */

@media print {
  .site-header, .site-footer, .actions, .skip-link, .case-nav { display: none; }
  body { background: #fff; font-size: 11pt; }
  a { color: inherit; }
}

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

/* ---------- Motion: hover and scroll effects (all switched off for reduced motion) ---------- */

.hero-svg .shape { transform-box: fill-box; transform-origin: center; transition: transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1); animation: pop 1s cubic-bezier(0.2, 0.8, 0.2, 1) both; }
.hero-svg .s-quarter { transform-origin: 0 100%; animation-delay: 0.12s; }
.hero-svg .s-half { transform-origin: 50% 100%; animation-delay: 0.24s; }
.hero-svg .s-dot { animation-delay: 0.36s; }
.hero-svg .s-ring { animation-delay: 0.48s; }
@keyframes pop { from { opacity: 0; scale: 0.82; } to { opacity: 1; scale: 1; } }
@keyframes rise { from { opacity: 0; translate: 0 28px; } to { opacity: 1; translate: 0 0; } }

.brand svg, .principle svg, .btn, .card img, .avatar, .kenai img, .proof strong { transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), border-radius 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), color 0.3s, background-color 0.2s, border-color 0.2s; }
.logos img { transition: opacity 0.3s, filter 0.3s; }
.nav a { transition: box-shadow 0.2s; }

@media (hover: hover) {
  .hero-svg .s-circle:hover { transform: scale(1.04); }
  .hero-svg .s-quarter:hover { transform: scale(1.1); }
  .hero-svg .s-half:hover { transform: rotate(-14deg) scale(1.08); }
  .hero-svg .s-dot:hover { transform: scale(1.35); }
  .hero-svg .s-ring:hover { transform: scale(1.2); }

  .brand:hover svg { transform: rotate(-25deg); }
  .btn:hover { transform: translateY(-2px); }
  .principle:hover svg { transform: rotate(14deg) scale(1.12); }
  .proof li:hover strong { color: var(--cobalt); }
  .logos img:hover { opacity: 1; filter: none; }

  .card:hover img { transform: translateY(-6px); border-top-right-radius: calc(var(--leaf) * 2.6); }

  .testimonial:hover .avatar--circle { border-radius: 999px 999px 0 0; }
  .testimonial:hover .avatar--arch { border-radius: 50%; }
  .testimonial:hover .avatar--quarter { border-radius: 0 100% 0 0; }
  .testimonial:hover .avatar--square { border-radius: 50% 0 50% 0; }
  .kenai:hover img { border-radius: 999px 999px 1.5rem 1.5rem; }
}

@media (prefers-reduced-motion: no-preference) {
  .hero .wrap > div:first-child { animation: rise 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) both; }
}

/* Scroll-in reveal: only in browsers that support scroll-driven animations; elsewhere nothing is hidden. */
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .card, .principle, .testimonial, .journey li, .case-block, .proof li, .cv .entry {
      animation: rise linear both; animation-timeline: view(); animation-range: entry 0% entry 35%;
    }
  }
}

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

/* ---------- Language switch ---------- */
.nav .lang a { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.5rem 0; }
.nav .lang svg { display: block; border-radius: 3px; box-shadow: 0 0 0 1px rgba(17, 19, 43, 0.18); }
.nav .lang a:hover { box-shadow: none; }
.nav .lang a:hover svg { box-shadow: 0 0 0 2px var(--ink); }
.nav .lang-en { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; padding: 0.35rem 0.6rem; border: 1.5px solid var(--ink); border-radius: 999px; line-height: 1; }
.nav .lang-en:hover { background: var(--ink); color: var(--paper); box-shadow: none; }

/* Portuguese headline is longer: size it so it stays on two lines */
html[lang="pt-BR"] .hero h1 { font-size: clamp(1.65rem, 8.2vw, 2.25rem); }
@media (min-width: 56rem) { html[lang="pt-BR"] .hero h1 { font-size: clamp(2.25rem, 4.6vw, 3.4rem); } }