/* =========================================================
   Alexandre Vinicius — portfolio
   Tokens: paper #F3F1EA / ink #15130F / klein #1B2FE0 / signal #FF5A1F
   Type: Anton (display) · Manrope (body) · Space Mono (utility)
   ========================================================= */

:root{
  --paper: #F3F1EA;
  --paper-2: #EAE6D9;
  --ink: #15130F;
  --ink-2: #232019;
  --klein: #1B2FE0;
  --klein-soft: #E4E7FB;
  --signal: #FF5A1F;
  --line: #DAD6C9;
  --line-dark: rgba(243,241,234,0.16);
  --muted: #6B675C;
  --muted-dark: #B9B4A6;

  --font-display: 'Anton', Impact, sans-serif;
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Space Mono', 'Courier New', monospace;

  --wrap: 1200px;
  --gutter: clamp(20px, 5vw, 64px);
  --ease: cubic-bezier(.16,1,.3,1);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
h1,h2,h3,p{ margin: 0; }
button{ font: inherit; background: none; border: 0; cursor: pointer; color: inherit; }
ul{ margin: 0; padding: 0; list-style: none; }

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

.eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--klein);
  margin-bottom: 14px;
}
.site-footer .eyebrow{ color: var(--signal); }

.skip-link{
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--klein);
  color: var(--paper);
  padding: 12px 20px;
  z-index: 999;
  font-family: var(--font-mono);
  font-size: 13px;
}
.skip-link:focus{
  left: 16px;
  top: 16px;
}

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

/* ---------- reveal-on-scroll ---------- */
.reveal{
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  .reveal{ opacity: 1; transform: none; transition: none; }
}

/* ---------- header ---------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(243,241,234,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 16px;
}
.logo{
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: .02em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.logo-dot{
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--klein);
}
.main-nav{
  display: flex;
  gap: 32px;
  margin-inline: auto;
  font-size: 14px;
  font-weight: 600;
}
.main-nav a{
  position: relative;
  padding-block: 4px;
}
.main-nav a::after{
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--klein);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s var(--ease);
}
.main-nav a:hover::after{ transform: scaleX(1); }

.header-actions{ display: flex; align-items: center; gap: 16px; }

.status-pill{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 6px 12px 6px 10px;
  white-space: nowrap;
}
.status-dot{
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--klein);
  box-shadow: 0 0 0 3px var(--klein-soft);
  flex-shrink: 0;
}

.lang-toggle{
  display: flex;
  border: 1px solid var(--line);
  border-radius: 100px;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 12px;
}
.lang-btn{
  padding: 6px 10px;
  color: var(--muted);
}
.lang-btn.is-active{
  background: var(--ink);
  color: var(--paper);
}

.menu-toggle{
  display: none;
  width: 32px; height: 32px;
  position: relative;
}
.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after{
  content: '';
  position: absolute;
  left: 6px; right: 6px;
  height: 2px;
  background: var(--ink);
  transition: transform .25s var(--ease), opacity .25s var(--ease);
}
.menu-toggle span{ top: 15px; }
.menu-toggle span::before{ top: -7px; }
.menu-toggle span::after{ top: 7px; }
.menu-toggle[aria-expanded="true"] span{ background: transparent; }
.menu-toggle[aria-expanded="true"] span::before{ transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span::after{ transform: translateY(-7px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero{
  background: var(--ink);
  color: var(--paper);
  padding-top: clamp(64px, 12vw, 120px);
  padding-bottom: clamp(56px, 10vw, 96px);
  overflow: hidden;
}
.hero-inner{ max-width: 900px; }
.hero .eyebrow{ color: var(--signal); }
.hero-title{
  font-family: var(--font-display);
  font-size: clamp(52px, 10.5vw, 128px);
  line-height: .94;
  letter-spacing: .005em;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
}
.hero-title .accent{ color: var(--klein); }
.hero-sub{
  margin-top: 28px;
  max-width: 46ch;
  font-size: clamp(16px, 2vw, 20px);
  color: var(--muted-dark);
}
.hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}
.btn{
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  padding: 14px 24px;
  border-radius: 100px;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  transition: transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.btn-primary{
  background: var(--klein);
  color: var(--paper);
}
.btn-primary:hover{ transform: translateY(-2px); background: #3247e8; }
.btn-ghost{
  border-color: var(--line-dark);
  color: var(--paper);
}
.btn-ghost:hover{ border-color: var(--paper); transform: translateY(-2px); }

.hero-tools{
  margin-top: 40px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-dark);
  letter-spacing: .04em;
}

/* ---------- marquee ---------- */
.marquee{
  background: var(--klein);
  color: var(--paper);
  overflow: hidden;
  white-space: nowrap;
  border-bottom: 1px solid var(--ink);
}
.marquee-track{
  display: inline-flex;
  align-items: center;
  gap: 20px;
  padding-block: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  animation: scroll-left 32s linear infinite;
  width: max-content;
}
.marquee-track .dot{ color: var(--signal); }
.marquee:hover .marquee-track{ animation-play-state: paused; }
@keyframes scroll-left{
  from{ transform: translateX(0); }
  to{ transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce){
  .marquee-track{ animation: none; }
}

/* ---------- section shared ---------- */
section{ padding-block: clamp(64px, 11vw, 120px); }
.section-head{ max-width: 640px; margin-bottom: clamp(40px, 6vw, 64px); }
.section-head h2{
  font-family: var(--font-display);
  font-size: clamp(32px, 4.5vw, 52px);
  line-height: 1.05;
  text-transform: uppercase;
}

/* ---------- work: featured case ---------- */
.case-featured{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 64px);
  align-items: center;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: clamp(28px, 4vw, 48px);
  margin-bottom: 28px;
}
.case-stack{
  display: flex;
  justify-content: center;
  padding-block: 20px;
}
.case-thumb{
  width: 34%;
  aspect-ratio: 4/5;
  border-radius: 10px;
  overflow: hidden;
  border: 4px solid var(--paper);
  box-shadow: 0 14px 30px -12px rgba(21,19,15,0.35);
  transform: rotate(var(--r));
  transition: transform .3s var(--ease), z-index 0s;
  margin-inline: -14px;
  flex-shrink: 0;
}
.case-thumb img{ width: 100%; height: 100%; object-fit: cover; }
.case-stack:hover .case-thumb{ transform: rotate(0) translateY(-6px); }
.case-stack .case-thumb:hover{ z-index: 2; transform: scale(1.06); }

.case-info .tag{
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--signal);
  border: 1px solid currentColor;
  border-radius: 100px;
  padding: 4px 10px;
  margin-bottom: 14px;
}
.case-info h3{
  font-family: var(--font-display);
  font-size: clamp(30px, 3.5vw, 40px);
  text-transform: uppercase;
}
.case-info p{
  margin-top: 12px;
  color: var(--muted);
  max-width: 40ch;
}
.case-link{
  display: inline-block;
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  border-bottom: 2px solid var(--klein);
  padding-bottom: 2px;
}

/* ---------- work grid ---------- */
.work-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.work-card{
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: var(--paper);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.work-card:hover{
  transform: translateY(-6px);
  box-shadow: 0 20px 34px -18px rgba(21,19,15,0.28);
}
.work-thumb{
  position: relative;
  display: block;
  aspect-ratio: 1/1;
  overflow: hidden;
  background: var(--paper-2);
}
.work-thumb img{
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s var(--ease);
}
.work-card:hover .work-thumb img{ transform: scale(1.06); }
.work-like{
  position: absolute;
  top: 12px; right: 12px;
  background: rgba(21,19,15,0.72);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 100px;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity .25s var(--ease), transform .25s var(--ease);
}
.work-card:hover .work-like{ opacity: 1; transform: translateY(0); }

.work-info{ padding: 20px; }
.work-info .tag{
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--klein);
  letter-spacing: .06em;
}
.work-info h3{
  font-family: var(--font-display);
  font-size: 22px;
  text-transform: uppercase;
  margin-top: 8px;
}
.work-info p{
  margin-top: 8px;
  font-size: 14px;
  color: var(--muted);
}
.work-info a{
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  border-bottom: 2px solid var(--klein);
}

/* ---------- about ---------- */
.about-inner{
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: clamp(32px, 6vw, 72px);
  align-items: start;
}
.about-media img{
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid var(--line);
}
.about-content h2{
  font-family: var(--font-display);
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1.08;
  text-transform: uppercase;
}
.about-body{
  margin-top: 20px;
  font-size: 17px;
  color: var(--muted);
  max-width: 56ch;
}
.tool-pills{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}
.tool-pills span{
  font-family: var(--font-mono);
  font-size: 12px;
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 6px 14px;
}
.about-stats{
  display: block;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 13px;
}
.about-stats .stats-note{
  display: block;
  margin-top: 4px;
  color: var(--klein);
  font-weight: 700;
}

/* ---------- services ---------- */
.services{ background: var(--paper-2); }
.services-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card{
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px 28px;
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}
.service-card:hover{
  border-color: var(--klein);
  transform: translateY(-4px);
}
.service-card h3{
  font-family: var(--font-display);
  font-size: 24px;
  text-transform: uppercase;
  color: var(--klein);
}
.service-card p{
  margin-top: 12px;
  color: var(--muted);
  font-size: 15px;
}

/* ---------- footer / contact ---------- */
.site-footer{
  background: var(--ink);
  color: var(--paper);
  padding-block: clamp(64px, 11vw, 120px) 40px;
}
.site-footer h2{
  font-family: var(--font-display);
  font-size: clamp(36px, 6.5vw, 76px);
  line-height: 1.02;
  text-transform: uppercase;
  max-width: 14ch;
}
.footer-email{
  display: inline-block;
  margin-top: 32px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.4vw, 34px);
  color: var(--klein);
  text-transform: lowercase;
  border-bottom: 3px solid var(--klein);
  padding-bottom: 4px;
  word-break: break-word;
}
.footer-email:hover{ color: var(--signal); border-color: var(--signal); }

.footer-links{
  display: flex;
  gap: 28px;
  margin-top: 28px;
  font-family: var(--font-mono);
  font-size: 14px;
}
.footer-links a:hover{ color: var(--signal); }

.footer-bottom{
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--line-dark);
}
.footer-bottom .status-pill{ border-color: var(--line-dark); }
.footer-bottom p{
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-dark);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ---------- responsive ---------- */
@media (max-width: 900px){
  .case-featured{ grid-template-columns: 1fr; }
  .work-grid{ grid-template-columns: repeat(2, 1fr); }
  .about-inner{ grid-template-columns: 1fr; }
  .about-media{ max-width: 220px; }
  .services-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 720px){
  .main-nav{
    position: fixed;
    inset: 65px 0 auto 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    gap: 0;
    padding: 8px var(--gutter) 20px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s var(--ease), transform .2s var(--ease);
  }
  .main-nav a{ padding-block: 12px; border-bottom: 1px solid var(--line); }
  .main-nav.is-open{
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .status-pill{ display: none; }
  .menu-toggle{ display: block; }
  .work-grid{ grid-template-columns: 1fr; }
  .footer-bottom{ flex-direction: column; align-items: flex-start; }
}