/* ============================================================
   Vinícius Prates — Portfólio pessoal
   Estilo minimalista claro (galeria) — inspirado em rafaalves.work
   ============================================================ */

:root {
  --bg: #ffffff;
  --bg-alt: #f1f0ec;
  --ink: #111110;
  --ink-soft: #8c897f;
  --line: #e8e6df;
  --accent: #111110;
  --maxw: 1760px;
  --gut: clamp(18px, 3.5vw, 56px);
  --ease: cubic-bezier(.22,.61,.36,1);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Sora", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

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

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-left: var(--gut); padding-right: var(--gut); }

.display { font-family: "Sora", sans-serif; font-weight: 500; letter-spacing: -.02em; }

.eyebrow {
  font-size: .72rem; font-weight: 600; letter-spacing: .22em;
  text-transform: uppercase; color: var(--ink-soft);
}

/* ----------------------------- HEADER ----------------------------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  padding: 22px 0;
  transition: background .4s var(--ease), padding .4s var(--ease), box-shadow .4s var(--ease);
}
.site-header.scrolled {
  background: rgba(255,255,255,.78);
  backdrop-filter: saturate(180%) blur(14px);
  padding: 14px 0;
  box-shadow: 0 1px 0 var(--line);
}
.nav { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; flex-direction: column; gap: 3px; color: var(--ink); line-height: 1; }
.brand-name {
  font-family: "Sora", sans-serif; font-weight: 700;
  font-size: clamp(1.15rem, 1.7vw, 1.55rem); letter-spacing: -.02em; line-height: 1;
}
.brand-role {
  font-family: "Sora", sans-serif; font-weight: 400;
  font-size: clamp(.6rem, .78vw, .72rem); letter-spacing: .22em;
  text-transform: uppercase; color: var(--ink-soft); line-height: 1;
}
.nav-left { display: flex; }
.nav-center {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  text-align: center; pointer-events: none;
  font-family: "Sora", sans-serif; font-weight: 500;
  font-size: clamp(.82rem, 1.05vw, 1.06rem); letter-spacing: .05em;
  text-transform: uppercase; white-space: nowrap; color: var(--ink);
}
.nav-right { display: flex; align-items: center; gap: 20px; }
.nav-right a { display: inline-flex; color: var(--ink-soft); transition: color .3s var(--ease); }
.nav-right a:hover { color: var(--ink); }
.nav-right svg { width: 19px; height: 19px; }
.nav-menu { display: flex; align-items: center; gap: 30px; list-style: none; }
.nav-menu a {
  font-size: .8rem; font-weight: 500; letter-spacing: .12em; text-transform: uppercase;
  position: relative; padding: 4px 0; color: var(--ink-soft); transition: color .3s var(--ease);
}
.nav-menu a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 0; background: var(--ink);
  transition: width .35s var(--ease);
}
.nav-menu a:hover, .nav-menu a.active { color: var(--ink); }
.nav-menu a:hover::after, .nav-menu a.active::after { width: 100%; }

.hamburger { display: none; width: 30px; height: 18px; position: relative; background: none; border: 0; cursor: pointer; }
.hamburger span { position: absolute; left: 0; height: 2px; width: 100%; background: var(--ink); transition: .3s var(--ease); }
.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 8px; }
.hamburger span:nth-child(3) { top: 16px; }

/* ----------------------------- HERO ----------------------------- */
.hero { padding: clamp(140px, 22vh, 220px) 0 clamp(60px, 10vh, 110px); }
.hero .eyebrow { display: inline-block; margin-bottom: 28px; }
.hero h1 {
  font-size: clamp(2.6rem, 9vw, 7.2rem);
  line-height: .96; letter-spacing: -.03em; font-weight: 500;
  max-width: 16ch;
}
.hero h1 em { font-style: normal; color: var(--ink-soft); }
.hero-foot {
  display: flex; flex-wrap: wrap; gap: 28px 64px; align-items: flex-end;
  justify-content: space-between; margin-top: clamp(40px, 7vh, 80px);
  padding-top: 30px; border-top: 1px solid var(--line);
}
.hero-foot p { max-width: 46ch; color: var(--ink-soft); font-size: 1.02rem; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
  font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; font-weight: 600;
  padding: 7px 14px; border: 1px solid var(--line); border-radius: 100px; color: var(--ink-soft);
}

/* ----------------------------- SECTION HEAD ----------------------------- */
.sec-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 24px;
  padding-bottom: 26px; margin-bottom: 46px; border-bottom: 1px solid var(--line);
}
.sec-head h2 { font-size: clamp(1.5rem, 3.4vw, 2.4rem); font-weight: 500; letter-spacing: -.02em; }
.sec-head .count { font-size: .8rem; color: var(--ink-soft); letter-spacing: .08em; }

/* ----------------------------- WORK GRID ----------------------------- */
.work { padding: clamp(140px, 20vh, 240px) 0 clamp(70px, 10vh, 120px); }
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(36px, 5vw, 80px) clamp(24px, 3vw, 48px); }
.card { display: block; }
.card-media {
  position: relative; overflow: hidden; background: var(--bg-alt);
  aspect-ratio: 16 / 10;
}
.card-media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 1.1s var(--ease);
}
.card-media::after {
  content: ""; position: absolute; inset: 0; z-index: 1; background: rgba(17,17,16,0);
  transition: background .55s var(--ease); pointer-events: none;
}
.card:hover .card-media img { transform: scale(1.04); }
.card:hover .card-media::after { background: rgba(17,17,16,.34); }
.card-num { display: none; }
.card-info {
  position: absolute; inset: 0; z-index: 3;
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  gap: 12px; padding: clamp(20px, 4vw, 48px);
  opacity: 0; transform: translateY(8px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}
.card:hover .card-info { opacity: 1; transform: none; }
.card-title {
  font-family: "Sora", sans-serif; font-weight: 500;
  font-size: clamp(1.15rem, 1.9vw, 1.85rem); line-height: 1.18;
  letter-spacing: .01em; text-transform: uppercase; color: #fff;
  max-width: 22ch;
}
.card-client { font-size: .74rem; letter-spacing: .2em; text-transform: uppercase; color: rgba(255,255,255,.72); }

/* ----------------------------- ABOUT ----------------------------- */
.about { padding: clamp(70px, 11vh, 130px) 0; border-top: 1px solid var(--line); }
.about-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(36px, 6vw, 88px); align-items: center; }
.about-photo { border-radius: 3px; overflow: hidden; background: var(--bg-alt); aspect-ratio: 4/5; }
.about-photo img { width: 100%; height: 100%; object-fit: cover; }
.about-body h2 { font-size: clamp(1.7rem, 4vw, 3rem); font-weight: 500; letter-spacing: -.02em; line-height: 1.1; margin: 18px 0 24px; }
.about-body p { color: var(--ink-soft); max-width: 52ch; margin-bottom: 18px; }
.about-body p strong { color: var(--ink); font-weight: 600; }
.about-stats { display: flex; flex-wrap: wrap; gap: 36px 56px; margin-top: 40px; padding-top: 34px; border-top: 1px solid var(--line); }
.stat .n { font-family: "Sora", sans-serif; font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 500; letter-spacing: -.02em; line-height: 1; }
.stat .l { font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); margin-top: 8px; }

/* ----------------------------- CONTACT / FOOTER ----------------------------- */
.contact { padding: clamp(80px, 13vh, 150px) 0 clamp(40px, 7vh, 80px); border-top: 1px solid var(--line); }
.contact .eyebrow { display: block; margin-bottom: 24px; }
.contact h2 { font-size: clamp(2.4rem, 8vw, 6rem); font-weight: 500; letter-spacing: -.03em; line-height: .98; }
.contact-mail { display: inline-block; margin-top: 16px; position: relative; }
.contact-mail::after { content: ""; position: absolute; left: 0; bottom: 4px; height: 2px; width: 100%; background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease); }
.contact-mail:hover::after { transform: scaleX(1); }
.contact-links { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 44px; }
.clink {
  display: inline-flex; align-items: center; gap: 10px;
  border: 1px solid var(--line); border-radius: 100px; padding: 12px 20px;
  font-size: .82rem; font-weight: 500; letter-spacing: .06em;
  transition: background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
}
.clink:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.clink svg { width: 17px; height: 17px; }

.foot { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between;
  margin-top: clamp(60px, 10vh, 110px); padding-top: 26px; border-top: 1px solid var(--line);
  font-size: .76rem; color: var(--ink-soft); letter-spacing: .04em; }
.to-top { display: inline-flex; align-items: center; gap: 8px; text-transform: uppercase; letter-spacing: .12em; font-weight: 600; }
.to-top:hover { color: var(--ink); }

/* botão flutuante voltar ao topo */
.floating-top {
  position: fixed; right: clamp(16px, 3vw, 34px); bottom: clamp(16px, 3vw, 34px); z-index: 40;
  width: 48px; height: 48px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--ink); color: var(--bg); font-size: 1.1rem; line-height: 1;
  box-shadow: 0 8px 24px rgba(17,17,16,.18); opacity: .9; transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.floating-top:hover { opacity: 1; transform: translateY(-3px); }

/* subpáginas (Sobre / Contato) — limpam o header fixo e reaproveitam as seções */
.subpage { padding-top: clamp(112px, 15vh, 160px); }
.subpage .about, .subpage .contact { padding-top: 0; border-top: 0; }

/* ----------------------------- PÁGINAS DE PROJETO ----------------------------- */
.project { padding: clamp(112px, 15vh, 150px) 0 clamp(40px, 7vh, 80px); }
.project-back {
  display: inline-block; margin-bottom: clamp(28px, 4vh, 46px);
  font-size: .76rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-soft);
}
.project-back:hover { color: var(--ink); }
.project-hero .eyebrow { display: block; margin-bottom: 16px; }
.project-hero h1 {
  font-family: "Sora", sans-serif; font-weight: 500;
  font-size: clamp(2.1rem, 5.5vw, 4.4rem); line-height: 1.02; letter-spacing: -.02em; max-width: 20ch;
}
.project-lead { color: var(--ink-soft); max-width: 60ch; margin-top: 24px; font-size: clamp(1rem, 1.3vw, 1.12rem); }
.project-meta {
  display: flex; flex-wrap: wrap; gap: 24px 56px;
  margin-top: clamp(34px, 5vh, 50px); padding-top: 30px; border-top: 1px solid var(--line);
}
.project-meta-item { display: flex; flex-direction: column; gap: 7px; }
.project-meta-label { font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-soft); }
.project-meta-value { font-family: "Sora", sans-serif; font-weight: 500; font-size: 1.02rem; }
.project-feature { margin: clamp(30px, 5vh, 60px) 0; }
.project-feature img { width: 100%; height: auto; display: block; background: var(--bg-alt); }
.gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(12px, 1.4vw, 22px); }
.gallery img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  aspect-ratio: 4 / 3; background: var(--bg-alt);
}
.gallery .full { grid-column: 1 / -1; }
.gallery .full img { aspect-ratio: 16 / 9; }
.project-next {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  margin-top: clamp(60px, 10vh, 110px); padding: clamp(28px, 5vh, 48px) 0; border-top: 1px solid var(--line);
}
.project-next .lbl { font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-soft); }
.project-next a {
  font-family: "Sora", sans-serif; font-weight: 500;
  font-size: clamp(1.3rem, 3vw, 2.3rem); letter-spacing: -.01em; text-align: right;
}
.project-next a:hover { opacity: .65; }
@media (max-width: 680px) { .gallery { grid-template-columns: 1fr; } }

/* ----------------------------- REVEAL ----------------------------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } html { scroll-behavior: auto; } }

/* ----------------------------- VÍDEOS DE PROJETO ----------------------------- */
.project-video { margin: clamp(30px, 5vh, 60px) 0; }
.project-video video { width: 100%; height: auto; display: block; background: #000; }
.project-verticals {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: clamp(12px, 1.4vw, 22px); margin: clamp(30px, 5vh, 60px) 0;
}
.project-verticals video {
  width: 100%; height: auto; display: block; background: #000;
  aspect-ratio: 9 / 16; object-fit: cover;
}
@media (max-width: 680px) { .project-verticals { grid-template-columns: 1fr; } }

/* ----------------------------- RESPONSIVE ----------------------------- */
@media (max-width: 1180px) {
  .nav-center { display: none; }
}
@media (max-width: 960px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { max-width: 360px; }
}
@media (max-width: 760px) {
  .grid { grid-template-columns: 1fr; gap: 36px; }
  .card-media { aspect-ratio: 4 / 3; }
  .card-info {
    position: static; inset: auto; opacity: 1; transform: none;
    align-items: flex-start; text-align: left; gap: 6px; padding: 14px 2px 0;
  }
  .card-title { color: var(--ink); font-size: 1.12rem; }
  .card-client { color: var(--ink-soft); }
  .nav-right { gap: 16px; }
  .nav-menu {
    position: fixed; inset: 0 0 0 auto; width: min(80vw, 320px);
    background: var(--bg); flex-direction: column; align-items: flex-start; justify-content: center;
    gap: 24px; padding: 0 var(--gut); transform: translateX(100%); transition: transform .42s var(--ease);
    box-shadow: -20px 0 60px rgba(17,17,16,.12); z-index: 60;
  }
  .nav-menu a { font-size: 1.1rem; }
  body.menu-open .nav-menu { transform: none; }
  .hamburger { display: block; z-index: 70; }
  body.menu-open .hamburger span:nth-child(1) { top: 8px; transform: rotate(45deg); }
  body.menu-open .hamburger span:nth-child(2) { opacity: 0; }
  body.menu-open .hamburger span:nth-child(3) { top: 8px; transform: rotate(-45deg); }
}