/* ============================================================
   Pedro Cavalcanti — personal site
   Monochrome editorial system.
   Black  = authority, discipline, presence (hero + contact)
   White  = clarity, space to think (content)
   Grays  = the layers in between — balance, neutrality
   ============================================================ */

:root {
  --black: #0b0b0c;
  --ink: #161618;
  --gray-800: #2b2b2e;
  --gray-600: #55555a;
  --gray-400: #97979c;
  --gray-200: #d8d8db;
  --gray-100: #ececee;
  --paper: #f7f7f5;
  --white: #ffffff;

  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", -apple-system, Helvetica, Arial, sans-serif;

  --pad: clamp(1.25rem, 5vw, 6rem);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  font-weight: 300;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--ink); color: var(--paper); }

h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.1; }

a { color: inherit; }

img { max-width: 100%; }

/* ---------- micro label ---------- */
.hero__label,
.section__num {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

/* ============ NAV ============ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem var(--pad);
  background: var(--black);
  color: var(--paper);
  border-bottom: 1px solid var(--gray-800);
}

section[id] { scroll-margin-top: 4.5rem; }

.nav__brand {
  font-family: var(--serif);
  font-size: 1.05rem;
  text-decoration: none;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.nav__links { display: flex; gap: 1.75rem; }

.nav__links a {
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  opacity: 0.75;
  transition: opacity 0.2s;
}
.nav__links a:hover { opacity: 1; }

.nav__langs {
  display: flex;
  gap: 0.9rem;
  margin-left: auto;
}

.nav__langs a {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-decoration: none;
  opacity: 0.55;
  transition: opacity 0.2s;
}

.nav__langs a:hover { opacity: 1; }

.nav__langs a.is-active {
  opacity: 1;
  font-weight: 600;
  border-bottom: 1px solid currentColor;
}

.nav__cta {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid currentColor;
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  transition: background 0.2s, color 0.2s;
}
.nav__cta:hover { background: #fff; color: #000; }

@media (max-width: 760px) {
  .nav__links { display: none; }
}

/* ============ HERO ============ */
.hero {
  min-height: 100svh;
  background: var(--black);
  color: var(--paper);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 6rem var(--pad) 3rem;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  flex: 1;
}

.hero__label { color: var(--gray-400); margin-bottom: 1.5rem; }

.hero__name {
  font-size: clamp(3rem, 9vw, 8rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 0.98;
}

.hero__statement {
  margin-top: 2rem;
  font-size: clamp(1.05rem, 1.8vw, 1.45rem);
}

.hero__statement em {
  font-family: var(--serif);
  font-style: italic;
  color: var(--gray-200);
}

.hero__photo {
  align-self: stretch;
  overflow: hidden;
}

.hero__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  filter: grayscale(1) contrast(1.05);
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.5rem, 5vw, 4.5rem);
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--gray-800);
}

.stat { display: flex; flex-direction: column; gap: 0.2rem; }

.stat__num {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  line-height: 1;
}

.stat__label {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-400);
}

@media (max-width: 760px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__photo { max-height: 45vh; order: -1; margin-top: 2rem; }
}

/* ============ SECTIONS ============ */
.section { padding: clamp(4.5rem, 10vw, 8rem) var(--pad); }

.section--gray { background: var(--gray-100); }

.section__head {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  border-bottom: 1px solid var(--gray-200);
  padding-bottom: 1.25rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.section__num { color: var(--gray-400); }

.section__title { font-size: clamp(2rem, 5vw, 3.4rem); }

.section__lede {
  max-width: 44rem;
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  font-weight: 300;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.section__lede strong { font-family: var(--serif); font-weight: 500; }

/* ---------- Philosophy pillars ---------- */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--gray-200);
  border: 1px solid var(--gray-200);
}

.pillar {
  background: var(--paper);
  padding: 2.25rem 1.75rem;
}

.pillar--wide { grid-column: 1 / -1; }

.pillar__num {
  font-family: var(--serif);
  font-size: 1.4rem;
  color: var(--gray-400);
  display: block;
  margin-bottom: 1.25rem;
}

.pillar h3 { font-size: 1.5rem; margin-bottom: 0.2rem; }

.pillar__q {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 0.9rem;
}

.pillar p:last-child { font-size: 0.95rem; color: var(--gray-600); max-width: 46rem; }

@media (max-width: 860px) {
  .pillars { grid-template-columns: 1fr; }
}

/* ---------- Journey storyboard ---------- */
.board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--gray-200);
  border: 1px solid var(--gray-200);
}

.frame {
  background: var(--paper);
  padding: 2rem 1.4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  text-decoration: none;
  color: inherit;
  transition: background 0.25s ease;
}

.frame:hover { background: var(--white); }

.frame__more {
  margin-top: 1.1rem;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-400);
  opacity: 0;
  transition: opacity 0.25s ease, color 0.25s ease;
}

.frame:hover .frame__more { opacity: 1; color: var(--ink); }

.frame__years {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 1.5rem;
}

.frame__logo {
  height: 88px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  margin-bottom: 1.5rem;
}

.frame h3 { font-size: 1.35rem; margin-bottom: 0.4rem; }

.frame__role {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--gray-600);
  line-height: 1.5;
  margin-bottom: 0.8rem;
}

.frame__story {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--gray-600);
  margin-top: auto;
}

.frame__story--win {
  color: var(--ink);
  font-style: normal;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.frame__story--win img { height: 1.3em; width: auto; }

@media (max-width: 900px) {
  .board { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .board { grid-template-columns: 1fr; }
}

/* ---------- Cards / grids ---------- */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
}

@media (max-width: 760px) { .grid-2 { grid-template-columns: 1fr; } }

.card { border-top: 1px solid var(--ink); padding-top: 1.25rem; }

.card h3 { font-size: 1.35rem; margin-bottom: 0.6rem; }

.card p { color: var(--gray-600); font-size: 0.98rem; }

/* ---------- Services ---------- */
.services {
  list-style: none;
  max-width: 44rem;
  margin-bottom: 2.5rem;
}

.services li {
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--gray-200);
  font-family: var(--serif);
  font-size: 1.25rem;
}

.btn {
  display: inline-block;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.95rem 2rem;
  border-radius: 999px;
  transition: background 0.2s;
}
.btn:hover { background: var(--gray-800); }

/* ---------- Credential badges ---------- */
.badges {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
}

.badge img {
  height: 72px;
  width: auto;
  object-fit: contain;
}

.badge figcaption {
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.3;
}

.badge figcaption span {
  display: block;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-top: 0.35rem;
}

.badges__group {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin: 2.5rem 0 1.75rem;
}

.badges__group:first-of-type { margin-top: 0; }

.badge__mono {
  height: 72px;
  width: 72px;
  display: grid;
  place-items: center;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  font-family: var(--serif);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}

/* ---------- Club chapter pages ---------- */
.club-hero {
  background: var(--black);
  color: var(--paper);
  padding: 7.5rem var(--pad) 4rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
}

.club-hero__logo { height: 110px; width: auto; object-fit: contain; }

.club-hero h1 {
  font-size: clamp(2.6rem, 7vw, 5.5rem);
  font-weight: 300;
  line-height: 1;
}

.club-hero__role { color: var(--gray-200); font-size: 1.05rem; }

.club-hero__story {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--gray-400);
}

.club-body { max-width: 46rem; }

.club-body ul { list-style: none; }

.club-body li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--gray-200);
  color: var(--gray-600);
}

.club-body li strong { color: var(--ink); font-weight: 500; }

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.media-grid .ph {
  aspect-ratio: 16 / 10;
  background: var(--gray-200);
  display: grid;
  place-items: center;
  color: var(--gray-400);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.back-strip {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 0 var(--pad) clamp(4rem, 8vw, 6rem);
}

.back-strip a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid var(--gray-400);
  padding-bottom: 0.2rem;
}

/* ============ CONTACT ============ */
.contact {
  background: var(--black);
  color: var(--paper);
  padding: clamp(5rem, 12vw, 9rem) var(--pad) 2rem;
  text-align: left;
}

.contact__title {
  font-size: clamp(2.6rem, 8vw, 6rem);
  font-weight: 300;
  margin: 1rem 0 2.5rem;
}

.contact__links { display: flex; flex-wrap: wrap; gap: 2.5rem; margin-bottom: 2rem; }

.contact__links a {
  font-family: var(--serif);
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  text-decoration: none;
  border-bottom: 1px solid var(--gray-600);
  padding-bottom: 0.2rem;
  transition: border-color 0.2s;
}
.contact__links a:hover { border-color: var(--paper); }

.contact__langs {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--gray-800);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-600);
}

/* ============ Reveal on scroll ============ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}