/* =========================================================
   Paulo Lemes — Portfolio
   Original editorial/cinematic design system
   ========================================================= */

:root{
  --bg: #0c0c0d;
  --bg-soft: #131314;
  --ink: #f3f1ea;
  --ink-dim: #9c9a94;
  --line: rgba(243,241,234,0.14);
  --accent: #7e32f5;
  --ease: cubic-bezier(.16,.84,.44,1);
  --dur-s: .4s;
  --dur-m: .8s;
  --dur-l: 1.2s;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
}

body{
  margin:0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img,video{ max-width:100%; display:block; }

a{ color: inherit; text-decoration:none; }

.container{
  width: 100%;
  padding: 0 6vw;
}

.display{
  font-family: "Anton", "Arial Narrow", sans-serif;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 0.92;
  filter: url(#liquid-heading);
}
h1.hero-title.display{ filter: url(#text-flow); }
@media (prefers-reduced-motion: reduce){
  .display{ filter: none; }
}

.eyebrow{
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

/* ---------- Header ---------- */
.site-header{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 100;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 1.6rem 6vw;
}
.site-header .logo,
.site-header nav a,
.site-header .menu-btn{
  mix-blend-mode: difference;
}
.site-header .logo{
  font-family:"Anton", sans-serif;
  text-transform:uppercase;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}
.site-header nav{
  display:flex;
  gap: 2.2rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.site-header nav a{
  position:relative;
  padding-bottom: 2px;
}
.site-header nav a::after{
  content:"";
  position:absolute; left:0; bottom:0;
  width:100%; height:1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-s) var(--ease);
}
.site-header nav a:hover::after,
.site-header nav a.is-active::after{
  transform: scaleX(1);
  transform-origin: left;
}
.site-header .menu-btn{
  display:none;
  background:none; border:0; color: var(--ink); font-size: .8rem;
  letter-spacing:.08em; text-transform: uppercase; cursor:pointer;
}

/* ---------- Hero ---------- */
.hero{
  position: relative;
  min-height: 100svh;
  display:flex;
  flex-direction:column;
  justify-content: flex-end;
  padding: 8rem 6vw 4rem;
  overflow:hidden;
  background: var(--bg);
}
.hero-media{
  position:absolute;
  inset:0;
  clip-path: inset(0 0 0 0);
}
.hero-media video, .hero-media img{
  width:100%; height:100%; object-fit:cover;
  transform: scale(1.12);
  filter: grayscale(35%) brightness(.55);
  transition: transform 1.6s var(--ease);
}
.hero-media::after{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(12,12,13,.15) 0%, rgba(12,12,13,.55) 55%, rgba(12,12,13,.96) 100%);
}
.hero-content{ position:relative; z-index:2; }
.hero-title{
  font-size: clamp(3.4rem, 11vw, 9.5rem);
  margin: 0;
}
.hero-title .line{
  display:block;
  overflow:hidden;
}
.hero-title .line span{
  display:block;
  transform: translateY(110%);
  transition: transform 1.1s var(--ease);
}
.hero.is-ready .hero-title .line span{ transform: translateY(0); }
.hero-sub{
  max-width: 34ch;
  margin-top: 1.6rem;
  font-size: clamp(.95rem, 1.4vw, 1.15rem);
  color: var(--ink-dim);
}
.hero-scroll{
  position:absolute; right:6vw; bottom:2.4rem;
  writing-mode: vertical-rl;
  font-size:.7rem; letter-spacing:.2em; text-transform:uppercase;
  color: var(--ink-dim);
  display:flex; align-items:center; gap:.6rem;
}
.hero-scroll::after{
  content:""; width:1px; height:44px; background: var(--ink-dim);
  animation: scrollline 2.2s var(--ease) infinite;
}
@keyframes scrollline{
  0%{ transform: scaleY(0); transform-origin: top; }
  50%{ transform: scaleY(1); transform-origin: top; }
  50.001%{ transform-origin: bottom; }
  100%{ transform: scaleY(0); transform-origin: bottom; }
}

/* ---------- Purple hero + melt/drip text effect ---------- */
.hero-purple{
  background: #7e32f5;
  justify-content: center;
}
.hero-purple .hero-content.centered{
  text-align: left;
  width: 100%;
}
.hero-purple .eyebrow{
  color: rgba(12,12,13,.6);
  margin-bottom: 1.2rem;
}
.hero-purple .hero-scroll{ color: rgba(12,12,13,.55); }
.hero-purple .hero-scroll::after{ background: rgba(12,12,13,.55); }

.hero-purple .hero-title{
  color: #0c0c0d;
  margin: 0;
  position: relative;
  z-index: 2;
  filter: url(#text-flow);
}
.hero-fluid{
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  display: block;
  filter: blur(42px) saturate(1.25);
  pointer-events: none;
}

/* ---------- Reveal utility ---------- */
.reveal{
  opacity:0;
  transform: translateY(36px);
  transition: opacity var(--dur-l) var(--ease), transform var(--dur-l) var(--ease);
}
.reveal.is-visible{ opacity:1; transform: translateY(0); }
.reveal-mask{
  overflow:hidden;
  position:relative;
}
.reveal-mask img, .reveal-mask video{
  transform: scale(1.15);
  transition: transform 1.4s var(--ease);
}
.reveal-mask::before{
  content:"";
  position:absolute; inset:0;
  background: var(--bg);
  transform-origin: right;
  transition: transform 1s var(--ease);
  z-index:2;
}
.reveal-mask.is-visible::before{ transform: scaleX(0); }
.reveal-mask.is-visible img,
.reveal-mask.is-visible video{ transform: scale(1); }

@media (prefers-reduced-motion: reduce){
  .reveal, .reveal-mask::before, .reveal-mask img, .reveal-mask video, .hero-title .line span{
    transition: none !important; transform:none !important; opacity:1 !important;
  }
}

/* ---------- Section basics ---------- */
section{ position:relative; }
.section-pad{ padding: 8rem 6vw; }
.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap: 2rem;
  margin-bottom: 4rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1.6rem;
}
.section-head h2{
  font-size: clamp(2rem, 4.5vw, 3.6rem);
  margin:0;
}
.section-head p{
  max-width: 32ch;
  color: var(--ink-dim);
  font-size: .95rem;
  margin:0;
}

/* ---------- Intro statement ---------- */
.statement{
  padding: 7rem 6vw;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.statement p{
  font-size: clamp(1.5rem, 3.4vw, 2.6rem);
  line-height: 1.25;
  max-width: 22ch;
  font-weight: 400;
  color: var(--ink);
}
.statement p em{
  font-style: normal;
  color: var(--ink-dim);
}

/* ---------- Project grid (home) — mirrors the asymmetric layout of the
   photographer's own paulolemes.com.br homepage: plain full images at their
   natural aspect ratio, no cropping, no overlay captions. ---------- */
.grid-home{
  display:flex;
  flex-direction: column;
  gap: 6.5rem;
}
.grid-row{
  display:flex;
  align-items: flex-start;
  gap: 2rem;
}
.grid-photo{
  display:block;
  flex-shrink:0;
  transition: transform .5s var(--ease);
  will-change: transform;
}
.grid-photo img{
  width:100%;
  height:auto;
  display:block;
  transition: filter .4s var(--ease);
}
@media (hover:hover){
  .grid-photo:hover img{ filter: url(#fluid-ripple); }
}
@media (max-width: 900px){
  .grid-home{ gap: 3rem; }
  .grid-row{ flex-wrap: wrap; row-gap: 1.4rem; }
  .grid-row .grid-photo{ width: 100% !important; }
}

/* ---------- Footer / contact ---------- */
.site-footer{
  padding: 6rem 6vw 3rem;
  border-top: 1px solid var(--line);
}
.footer-line{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 1.5rem;
  font-size: clamp(2.2rem, 6.4vw, 5.2rem);
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
}
.footer-line:first-child{ border-top: 1px solid var(--line); }
.footer-line span{
  font-family: "Inter", sans-serif;
  text-transform: none;
  font-size: 0.35em;
  color: var(--ink-dim);
  transition: transform var(--dur-m) var(--ease), color var(--dur-m) var(--ease);
}
.footer-line:hover span{
  transform: translateX(10px);
  color: var(--accent);
}
.footer-line:hover{ color: var(--accent); }
.footer-grid{
  padding-top: 2.4rem; border-top: 1px solid var(--line);
  font-size: .85rem; color: var(--ink-dim);
}

/* ---------- About page ---------- */
.about-hero{
  padding: 10rem 6vw 4rem;
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 4rem;
  align-items:end;
  border-bottom: 1px solid var(--line);
}
.about-portrait{
  position: relative;
  aspect-ratio: 4/5;
  overflow:hidden;
  background: var(--bg-soft);
}
.about-portrait img{
  width:100%; height:100%; object-fit:cover;
  filter: grayscale(100%) contrast(1.05);
}
.about-portrait .portrait-source{
  position:absolute; inset:0;
}
.about-portrait .portrait-trail{
  position:absolute; inset:0;
  width:100%; height:100%;
  display:none;
  cursor: crosshair;
}
.about-portrait.has-trail .portrait-source{ visibility:hidden; }
.about-portrait.has-trail .portrait-trail{ display:block; }
.about-title{ font-size: clamp(2.6rem, 6vw, 5rem); margin:0 0 1.6rem; }
.about-lede{ color: var(--ink-dim); max-width: 48ch; font-size: 1.05rem; margin: 0 0 1.1rem; }
.about-lede:last-child{ margin-bottom: 0; }
.about-lede-cta{ color: var(--ink); font-weight: 600; }

.kv-list{ list-style:none; margin:0; padding:0; }
.kv-list li{
  display:flex; justify-content:space-between; gap:2rem;
  padding: 1.2rem 0; border-bottom: 1px solid var(--line);
  font-size: .95rem;
}
.kv-list li span:first-child{ color: var(--ink-dim); }

.tag-row{ display:flex; flex-wrap:wrap; gap: .6rem; }
.tag{
  border: 1px solid var(--line);
  padding: .5rem 1rem;
  font-size: .78rem;
  letter-spacing:.04em;
  border-radius: 999px;
  color: var(--ink-dim);
}

.two-col{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4rem;
}

.awards-list{ list-style:none; margin:0; padding:0; }
.awards-list li{
  padding: 1.6rem 0; border-bottom: 1px solid var(--line);
}
.awards-list .a-title{ font-size: 1.05rem; margin-bottom:.3rem; }
.awards-list .a-sub{ color: var(--ink-dim); font-size: .85rem; }

.brands-marquee{
  overflow:hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 2.2rem 0;
}
.brands-track{
  white-space: nowrap;
  width: max-content;
  animation: marquee 32s linear infinite;
  font-family:"Anton", sans-serif;
  text-transform: uppercase;
  font-size: clamp(1.6rem, 3.4vw, 2.7rem);
  letter-spacing: 0.01em;
  color: var(--ink);
  filter: url(#liquid-heading);
}
.brands-track .brand-dot{
  display: inline-block;
  margin: 0 2rem;
  color: var(--ink-dim);
  font-family: "Inter", sans-serif;
  font-size: 0.9rem;
  vertical-align: middle;
}
@keyframes marquee{
  from{ transform: translateX(0); }
  to{ transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce){
  .brands-track{ animation: none; }
}

/* ---------- Project detail page ---------- */
.project-hero{
  min-height: 92svh;
  display:flex; flex-direction:column; justify-content:flex-end;
  padding: 9rem 6vw 3.5rem;
  position:relative;
  border-bottom: 1px solid var(--line);
}
.project-hero .hero-media{ position:absolute; inset:0; }
.project-hero .hero-media img,
.project-hero .hero-media video{
  filter: grayscale(20%) brightness(.6);
}
.project-title{
  font-size: clamp(2.6rem, 9vw, 7.5rem);
  margin: 0 0 2rem;
  position:relative; z-index:2;
}
.project-meta{
  position:relative; z-index:2;
  display:flex; flex-wrap:wrap; gap: 2.6rem 3.2rem;
  border-top: 1px solid var(--line);
  padding-top: 1.6rem;
}
.project-meta div span{ display:block; }
.project-meta .m-label{
  font-size:.68rem; letter-spacing:.16em; text-transform:uppercase; color: var(--ink-dim);
  margin-bottom:.4rem;
}
.m-value{ font-size: .95rem; }

.project-desc{
  padding: 6rem 6vw 2rem;
  max-width: 66ch;
}
.project-desc p{
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  line-height: 1.5;
  color: var(--ink);
}

.gallery{
  display:flex;
  flex-direction:column;
  gap: 1px;
  background: var(--line);
  padding-top: 1px;
}
.gallery figure{
  margin:0; background: var(--bg); overflow:hidden;
  display:flex; justify-content:center;
}
.gallery figure img, .gallery figure video{
  display:block; width:auto; max-width:100%; height:auto; margin:0 auto;
}
.gallery .g-pair{
  display:flex; align-items:flex-start; gap:1px; background: var(--line);
}
.gallery .g-pair figure{
  flex: 1 1 0;
  min-width: 0;
}

.project-nav{
  display:grid; grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
}
.project-nav a{
  padding: 4.5rem 6vw;
  position:relative;
  overflow:hidden;
}
.project-nav a:first-child{ border-right: 1px solid var(--line); }
.project-nav .n-label{
  font-size:.7rem; letter-spacing:.18em; text-transform:uppercase; color: var(--ink-dim);
  margin-bottom: 1rem; display:block;
}
.project-nav .n-title{
  font-size: clamp(1.6rem, 4vw, 3rem);
  transition: transform var(--dur-m) var(--ease), color var(--dur-m) var(--ease);
  display:inline-block;
}
.project-nav a:hover .n-title{ transform: translateX(10px); color: var(--accent); }
.project-nav .next{ text-align:right; }
.project-nav .next .n-title{ }
.project-nav a:last-child:hover .n-title{ transform: translateX(-10px); }

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .site-header{ padding: 1.4rem 6vw; }
  .site-header nav{
    position: fixed; inset:0; z-index:99;
    isolation: isolate;
    background: var(--bg);
    flex-direction:column; justify-content:center; align-items:flex-start;
    padding: 6rem 8vw; gap: 1.6rem;
    font-size: 1.6rem;
    transform: translateY(-100%);
    transition: transform var(--dur-m) var(--ease);
  }
  .site-header nav a{
    mix-blend-mode: normal;
  }
  .site-header nav.is-open{ transform: translateY(0); }
  .site-header .menu-btn{ display:block; z-index:101; }
  .grid-projects{ grid-template-columns: 1fr; }
  .about-hero{ grid-template-columns: 1fr; }
  .two-col{ grid-template-columns: 1fr; gap: 2.4rem; }
  .gallery .g-pair{ flex-direction: column; }
  .project-nav{ grid-template-columns: 1fr; }
  .project-nav a:first-child{ border-right:0; border-bottom: 1px solid var(--line); }
  .project-nav .next{ text-align:left; }
}