/* ============================================================
   Gustavo Pisani — estrutura copiada da referência (mohamedshehata.net)
   Paleta: preto-tinta · lime #d4f500 · azul #132fa0
   ============================================================ */

:root {
  --black:      #0a0b12;
  --black-2:    #10121c;
  --off-white:  #f4f4ef;
  --white:      #ffffff;
  --dim:        rgba(255,255,255,0.55);
  --dim-2:      rgba(255,255,255,0.3);
  --line:       rgba(255,255,255,0.08);
  --accent:     #d4f500;   /* lime */
  --accent-2:   #3a56d4;   /* azul claro p/ detalhes */
  --blue:       #132fa0;
  --blue-deep:  #0b1c66;

  --maxw: 1200px;
  --pad: clamp(20px, 4vw, 48px);
  --f-sans: 'Space Grotesk', system-ui, sans-serif;
  --f-mono: 'DM Mono', ui-monospace, monospace;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--black);
  color: var(--white);
  font-family: var(--f-sans);
  font-weight: 400;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
::selection { background: var(--accent); color: var(--black); }

/* ============================================================
   SPLASH
   ============================================================ */
#splash {
  position: fixed; inset: 0; z-index: 200;
  background: var(--black);
  display: flex; align-items: center; justify-content: center;
}
.splash-inner { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.splash-label {
  font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--dim);
}
.splash-label::before { content: '// '; color: var(--accent); }
.splash-name {
  font-size: clamp(40px, 8vw, 80px); font-weight: 700;
  letter-spacing: -0.03em; line-height: 1; color: var(--white);
}
.splash-name span { color: var(--accent); }
.splash-track {
  width: 100%; height: 2px; margin-top: 18px;
  background: rgba(255,255,255,0.12); border-radius: 2px; overflow: hidden;
}
.splash-bar {
  height: 100%; width: 0%;
  background: var(--accent); border-radius: 2px;
  transition: width 0.4s ease;
}

/* ============================================================
   NAV
   ============================================================ */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px var(--pad);
}
.nav-logo { font-weight: 700; font-size: 16px; letter-spacing: -0.01em; color: var(--white); }
.nav-dot { color: var(--accent); }
/* pill centralizada na viewport (fora do fluxo, para não depender das
   larguras variáveis do logo / seletor de idioma / CTA) */
.nav-pill {
  display: flex; align-items: center; gap: 0;
  background: rgba(10,11,18,0.55); backdrop-filter: blur(12px);
  border: 1px solid var(--line); border-radius: 40px; padding: 3px;
  position: absolute; left: 50%; transform: translateX(-50%);
}
.nav-pill a {
  display: block; padding: 8px 14px; border-radius: 40px;
  font-size: 12.5px; font-weight: 500; color: var(--dim);
  transition: color 0.2s;
}
.nav-pill a:hover { color: var(--white); }
/* ---------- seletor de idioma (bandeiras) ---------- */
.lang-switch {
  display: flex; align-items: center; gap: 4px;
  background: rgba(10,11,18,0.55); backdrop-filter: blur(12px);
  border: 1px solid var(--line); border-radius: 40px; padding: 3px;
  margin-left: auto; margin-right: 10px;
}
.lang-btn {
  display: flex; align-items: center; gap: 5px;
  background: none; border: 0; cursor: pointer;
  padding: 5px 9px; border-radius: 40px;
  color: var(--dim); font-family: var(--f-mono); font-size: 10px;
  letter-spacing: 0.06em; line-height: 1;
  opacity: 0.6; transition: opacity 0.25s, background 0.25s, color 0.25s;
}
.lang-btn:hover { opacity: 1; color: var(--white); }
.lang-btn.is-active { opacity: 1; color: var(--black); background: var(--accent); }
.lang-btn svg { width: 17px; height: 12px; border-radius: 2px; display: block; flex: none; }
.lang-code { font-weight: 500; }
@media (max-width: 620px) {
  .lang-code { display: none; }
  .lang-btn { padding: 5px 6px; }
  .lang-switch { margin-right: 6px; }
}

.nav-cta {
  font-family: var(--f-mono); font-size: 10.5px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--black); background: var(--accent);
  padding: 9px 16px; border-radius: 40px; font-weight: 500;
  transition: background 0.25s, transform 0.25s;
}
.nav-cta:hover { background: var(--white); transform: translateY(-1px); }

/* ============================================================
   HERO — foto full-bleed + fluid reveal
   ============================================================ */
#hero {
  min-height: 100dvh;
  background: var(--black);
  position: relative;
  overflow: hidden;
  display: flex; flex-direction: column; justify-content: flex-end;
}
.hero-photo-wrap { position: absolute; inset: 0; z-index: 0; }
.hero-photo-wrap img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center top;
}
.hero-photo-wrap::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,11,18,0.78) 0%, rgba(10,11,18,0.2) 38%, transparent 68%);
  pointer-events: none;
}
#hero-gl {
  position: absolute; inset: 0; width: 100%; height: 100%;
  z-index: 1; pointer-events: none;
}
.hero-social {
  position: absolute; left: 40px; top: 50%; transform: translateY(-50%);
  z-index: 3; display: flex; flex-direction: column; gap: 12px;
  animation: heroSocialIn 1s var(--ease) 0.7s both;
}
.hero-social a {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 500; color: rgba(255,255,255,0.6);
  letter-spacing: 0.02em; transition: color 0.2s;
}
.hero-social a:hover { color: var(--accent); }
.hero-title {
  position: relative; z-index: 3;
  text-align: right; padding: 0 48px 26px 40px;
  animation: heroFadeIn 1s ease 0.9s both;
}
.hero-title-text {
  font-size: clamp(14px, 1.4vw, 20px); font-weight: 600;
  color: var(--white); line-height: 1.3; letter-spacing: -0.01em;
}
.hero-title-slash { color: var(--accent); margin-right: 6px; }
.scroll-hint {
  position: absolute; bottom: 28px; left: 50%; z-index: 3;
  animation: scrollBob 2.2s ease-in-out infinite 2s;
}
@keyframes scrollBob {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.4; }
  50%      { transform: translateX(-50%) translateY(8px); opacity: 1; }
}
@keyframes heroFadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes heroSocialIn {
  from { opacity: 0; transform: translateY(calc(-50% + 12px)); }
  to   { opacity: 1; transform: translateY(-50%); }
}

/* ============================================================
   SEÇÕES — base
   ============================================================ */
section { position: relative; padding: clamp(90px, 13vh, 160px) var(--pad); }
.sec-head { max-width: var(--maxw); margin: 0 auto clamp(40px, 6vw, 72px); }
.sec-label {
  font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--dim-2);
  display: block; border-top: 1px solid var(--line); padding-top: 20px;
}
.sec-label::before { content: '// '; color: var(--accent); }
.sec-h2 {
  font-size: clamp(30px, 5vw, 56px); font-weight: 700;
  letter-spacing: -0.02em; line-height: 1.05; margin-top: 34px;
}
.accent-phrase { color: var(--accent); }
.accent-dot { color: var(--accent); }

/* reveals */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.in { opacity: 1; transform: none; }

/* ============================================================
   INTRO
   ============================================================ */
#intro { background: var(--black); }
.intro-inner { max-width: var(--maxw); margin: 0 auto; text-align: center; }
.intro-statement {
  font-size: clamp(24px, 3.6vw, 44px); font-weight: 600;
  letter-spacing: -0.02em; line-height: 1.32; color: var(--white);
}
.ist-line { display: block; overflow: hidden; }
.ist-inner { display: inline-block; transform: translateY(110%); }
.intro-stats {
  display: flex; align-items: center; justify-content: center; gap: clamp(20px, 4vw, 48px);
  margin-top: clamp(48px, 7vw, 80px); flex-wrap: wrap;
}
.intro-stat-num {
  font-size: clamp(28px, 3.4vw, 44px); font-weight: 700;
  letter-spacing: -0.02em; color: var(--accent); font-variant-numeric: tabular-nums;
}
.intro-stat-label { font-size: 12.5px; color: var(--dim); margin-top: 6px; max-width: 20ch; }
.stat-pipe { width: 1px; height: 44px; background: var(--line); }

/* ============================================================
   EXPERTISE — numbered section + canvas de cilindros
   ============================================================ */
.numbered-section {
  position: relative; background: var(--black-2);
  padding: clamp(90px, 13vh, 160px) var(--pad);
  overflow: hidden;
}
#exp-cyl-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0.5;
}
.exp-content { position: relative; z-index: 2; max-width: var(--maxw); margin: 0 auto; }
.ns-header { margin-bottom: 30px; }
.ns-h2 {
  font-size: clamp(34px, 6vw, 72px); font-weight: 700;
  letter-spacing: -0.025em; line-height: 0.98; margin-bottom: clamp(40px, 5vw, 64px);
}
.h-list { border-top: 1px solid var(--line); }
.h-list-2col { display: grid; grid-template-columns: 1fr 1fr; column-gap: clamp(24px, 4vw, 64px); }
/* grid (em vez de flex) para o número seguir alinhado ao título na 1ª linha
   enquanto descrição e stack ocupam a linha inteira, respeitando a ordem do DOM */
.h-list-item {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas: "name num" "desc desc" "stack stack";
  align-items: baseline; column-gap: 18px; row-gap: 6px;
  padding: clamp(16px, 2vw, 24px) 0; border-bottom: 1px solid var(--line);
  transition: opacity 0.3s ease;
}
.h-item-name { grid-area: name; font-size: clamp(16px, 1.8vw, 22px); font-weight: 600; letter-spacing: -0.01em; }
.h-item-num { grid-area: num; font-family: var(--f-mono); font-size: 12px; color: var(--accent); }
.h-item-desc {
  grid-area: desc;
  font-size: clamp(13px, 1.05vw, 14.5px); line-height: 1.45;
  color: var(--color--green-off-white-2); max-width: 46ch;
}
/* a stack alimenta o .exp-foot via JS no desktop; some da tela sem sair do DOM */
.h-item-stack { grid-area: stack; display: none; }

/* item em foco/hover ganha destaque; os demais recuam */
.h-list-item.is-active .h-item-name { color: var(--accent); }
.h-list:where(:hover, :focus-within) .h-list-item:not(.is-active) { opacity: 0.55; }
.h-list-item:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

.exp-foot {
  margin-top: 28px; font-size: 13.5px; line-height: 1.5;
  color: var(--color--green-off-white-1); max-width: 72ch;
  min-height: 2.4em;                      /* reserva 2 linhas: troca não empurra layout */
  transition: opacity 0.18s ease, transform 0.9s var(--ease, cubic-bezier(0.16,1,0.3,1));
}
.exp-foot.is-swapping { opacity: 0; }

/* ============================================================
   CAREER
   ============================================================ */
#career { background: var(--black); }
.roles { max-width: var(--maxw); margin: 0 auto; }
.role {
  display: grid; grid-template-columns: 56px 1fr auto;
  gap: clamp(18px, 3vw, 48px);
  padding: clamp(30px, 4vw, 52px) 0; border-top: 1px solid var(--line);
}
.role:last-child { border-bottom: 1px solid var(--line); }
.role-idx { font-family: var(--f-mono); font-size: 13px; color: var(--accent); padding-top: 8px; }
.role-title { font-size: clamp(22px, 2.8vw, 36px); font-weight: 700; letter-spacing: -0.02em; line-height: 1.05; }
.role-org { color: var(--accent); font-size: clamp(14px, 1.6vw, 18px); font-weight: 500; margin-top: 6px; }
.role-desc { color: var(--dim); font-size: 15px; line-height: 1.55; margin-top: 14px; max-width: 56ch; }
.role-quote { color: var(--accent); font-size: clamp(16px, 2vw, 22px); font-weight: 500; margin-top: 14px; font-style: italic; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tags span {
  font-family: var(--f-mono); font-size: 10.5px; letter-spacing: 0.04em;
  color: var(--dim); border: 1px solid var(--line); padding: 5px 12px; border-radius: 40px;
}
.role-meta {
  display: flex; flex-direction: column; gap: 6px; text-align: right;
  font-family: var(--f-mono); font-size: 11.5px; color: var(--dim-2);
  letter-spacing: 0.06em; text-transform: uppercase; padding-top: 10px; white-space: nowrap;
}

/* ============================================================
   PERGUNTAS QUE EU RESPONDO
   ============================================================ */
#perguntas { background: var(--black-2); }
.qa-grid { max-width: var(--maxw); margin: 0 auto; }
.qa-lead {
  font-size: clamp(20px, 2.8vw, 32px); font-weight: 600;
  letter-spacing: -0.015em; line-height: 1.35;
  max-width: 34ch; margin-bottom: clamp(40px, 5vw, 64px);
}
/* mesmo vocabulário dos itens de #expertise: numeração discreta, borda
   superior como separador e realce do título no hover */
.qa-list {
  display: grid; grid-template-columns: 1fr 1fr;
  column-gap: clamp(24px, 4vw, 64px);
  border-top: 1px solid var(--line);
}
.qa-item {
  display: grid; grid-template-columns: auto 1fr;
  column-gap: 16px; row-gap: 8px;
  grid-template-areas: "num q" ". a";
  padding: clamp(20px, 2.4vw, 30px) 0;
  border-bottom: 1px solid var(--line);
}
.qa-num {
  grid-area: num; font-family: var(--f-mono); font-size: 12px;
  color: var(--accent); padding-top: 5px;
}
.qa-q {
  grid-area: q; font-size: clamp(16px, 1.6vw, 20px); font-weight: 600;
  letter-spacing: -0.01em; line-height: 1.25;
  transition: color 0.3s ease;
}
.qa-item:hover .qa-q { color: var(--accent); }
.qa-a {
  grid-area: a; font-size: clamp(13.5px, 1.05vw, 15px); line-height: 1.55;
  color: var(--color--green-off-white-2); max-width: 48ch;
}
.qa-more {
  display: inline-block; margin-top: clamp(28px, 3vw, 40px);
  font-family: var(--f-mono); font-size: 12.5px; letter-spacing: 0.04em;
  color: var(--color--green-off-white-1);
  border-bottom: 1px solid var(--line-2); padding-bottom: 3px;
  transition: color 0.3s ease, border-color 0.3s ease;
}
.qa-more:hover { color: var(--accent); border-color: var(--accent); }

/* acessível para leitor de tela, invisível na tela */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap; border: 0;
}

/* ============================================================
   FORMAÇÃO
   ============================================================ */
#formacao { background: var(--black); }
.edu-grid { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(30px, 6vw, 90px); }
.edu-h {
  font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 22px; padding-bottom: 14px; border-bottom: 1px solid var(--line);
}
.edu-list li {
  display: grid; grid-template-columns: 1fr auto auto; gap: 16px; align-items: baseline;
  padding: 16px 0; border-bottom: 1px solid var(--line);
}
/* idiomas: bandeira + nome + nível */
.edu-list.lang li { grid-template-columns: auto 1fr auto; align-items: center; }
.edu-flag { display: flex; align-items: center; }
.edu-flag svg {
  width: 22px; height: 15px; display: block; flex: none;
  border-radius: 2px;
  box-shadow: 0 0 0 1px var(--line);   /* separa a bandeira clara do fundo escuro */
}
.edu-t { font-size: 16px; font-weight: 500; }

/* Certificações: bloco em linha própria (largura total), lista em 2 colunas */
.edu-block.is-certs { grid-column: 1 / -1; margin-top: clamp(28px, 3.5vw, 48px); }
.edu-list.certs { display: grid; grid-template-columns: 1fr 1fr; column-gap: clamp(24px, 4vw, 64px); }
.edu-list.certs li {
  grid-template-columns: 26px 1fr auto auto;
  gap: 12px; align-items: center;
}
.edu-list.certs .edu-t { font-size: 15px; line-height: 1.35; }

/* logo do emissor: tile branco porque as marcas são coloridas e
   desenhadas para fundo claro — sobre o preto-tinta elas sumiriam */
.edu-logo {
  width: 26px; height: 26px; flex: none;
  display: flex; align-items: center; justify-content: center;
  background: #fff; border-radius: 5px; padding: 3px;
  box-shadow: 0 0 0 1px var(--line);
}
.edu-logo img { width: 100%; height: 100%; object-fit: contain; display: block; }
.edu-o { color: var(--dim); font-size: 13px; }
.edu-y { font-family: var(--f-mono); color: var(--dim-2); font-size: 11.5px; white-space: nowrap; }

/* ============================================================
   CONTATO
   ============================================================ */
#contato {
  background: var(--black-2);
  min-height: 88vh; display: flex; flex-direction: column; justify-content: center;
}
.finale-inner { max-width: var(--maxw); margin: 0 auto auto; width: 100%; text-align: center; padding-top: 5vh; }
.finale-inner .sec-label { border-top: none; display: inline-block; }
.finale-title { font-size: clamp(48px, 10vw, 120px); font-weight: 700; letter-spacing: -0.03em; line-height: 0.95; margin: 26px 0 44px; }
.finale-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
  font-size: 15px; font-weight: 600; padding: 15px 40px; border-radius: 40px;
  transition: transform 0.3s, background 0.3s, color 0.3s, border-color 0.3s;
}
.btn-primary { background: var(--accent); color: var(--black); }
.btn-primary:hover { background: var(--white); transform: translateY(-3px); }
.btn-ghost { border: 1px solid var(--line); color: var(--white); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-3px); }
.footer {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  max-width: var(--maxw); margin: 0 auto; width: 100%;
  padding-top: 28px; border-top: 1px solid var(--line);
  font-family: var(--f-mono); font-size: 11px; color: var(--dim-2); letter-spacing: 0.04em;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
/* ---------- nav compacta no mobile ---------- */
.nav-logo-short { display: none; }

/* faixa intermediária: a pill compacta para caber entre o logo e o grupo
   da direita (idiomas + CTA) */
@media (max-width: 1200px) {
  .nav-pill a { padding: 7px 9px; font-size: 11.5px; }
  .lang-switch { margin-right: 6px; }
  .lang-code { display: none; }
  .lang-btn { padding: 7px 7px; }
}
/* Abaixo de ~1100px o grupo da direita (idiomas + CTA) é bem mais largo que o
   logo: centralizar na viewport faria a pill invadi-lo. Aqui ela volta ao
   fluxo e se centraliza no espaço livre entre logo e idiomas. */
@media (max-width: 1100px) {
  .nav-pill { position: static; transform: none; margin-left: auto; margin-right: auto; }
  .lang-switch { margin-left: 0; }
}
@media (max-width: 620px) {
  #nav { padding: 10px 14px; gap: 8px; }
  .nav-logo { font-size: 15px; padding: 6px 2px; }
  .nav-logo-full { display: none; }
  .nav-logo-short { display: inline; }
  .nav-cta { font-size: 10.5px; padding: 11px 14px; white-space: nowrap; letter-spacing: 0.04em; }
  .lang-switch { margin-left: auto; margin-right: 0; }
  /* alvos de toque confortáveis para dedo */
  .lang-btn { padding: 9px 8px; }
  .hero-social a { padding: 7px 0; }
}

@media (max-width: 900px) {
  .nav-pill { display: none; }
  .h-list-2col { grid-template-columns: 1fr; }
  /* sem hover no mobile: a stack fica visível em cada item e o rodapé some */
  .exp-foot { display: none; }
  .h-item-stack {
    display: block; margin-top: 2px;
    font-family: var(--f-mono); font-size: 11.5px; line-height: 1.5;
    color: var(--color--green-off-white-2);
  }
  .h-list:where(:hover, :focus-within) .h-list-item:not(.is-active) { opacity: 1; }
  .qa-list, .edu-grid { grid-template-columns: 1fr; }
  /* nomes de credencial são longos: coluna única no mobile */
  .edu-list.certs { grid-template-columns: 1fr; }
  .edu-block.is-certs { margin-top: 0; }
  .hero-social { left: 20px; }
  .intro-stats { gap: 18px; }
  .stat-pipe { display: none; }
}
@media (max-width: 620px) {
  .role { grid-template-columns: 36px 1fr; }
  .role-meta { grid-column: 2; flex-direction: row; gap: 14px; text-align: left; padding-top: 2px; }
  .hero-title { padding: 0 20px 16px 20px; }
  .footer { flex-direction: column; gap: 8px; }
  .edu-list li { grid-template-columns: 1fr auto; }
  .edu-o { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .reveal, .ist-inner { opacity: 1 !important; transform: none !important; transition: none !important; }
  .hero-social, .hero-title, .scroll-hint { animation: none !important; }
}