/* ==========================================================================
   Speedbox Pro — Portfólio Digital
   Design comercial, moderno, escuro, com destaque verde da marca.
   ========================================================================== */

:root{
  --bg: #0a0a0a;
  --bg-soft: #111213;
  --panel: #17181a;
  --border: rgba(255,255,255,0.08);
  --text: #f3f4f4;
  --text-dim: #a7abaf;
  --green: #00963c;
  --green-light: #17c153;
  --green-glow: rgba(0, 150, 60, 0.45);
  --radius: 14px;
  --maxw: 1360px;
  --ease: cubic-bezier(.16,.84,.44,1);
}

*, *::before, *::after{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

button{ font-family:inherit; cursor:pointer; }

/* ---------------------------------------------------------------------- */
/* TELA DE BOAS-VINDAS                                                     */
/* ---------------------------------------------------------------------- */

.welcome{
  position:fixed;
  inset:0;
  z-index: 100;
  background: radial-gradient(ellipse at 50% 30%, #121212 0%, #050505 70%);
  display:flex;
  align-items:center;
  justify-content:center;
  transition: opacity .7s var(--ease), visibility .7s var(--ease);
}

.welcome.is-hidden{
  opacity:0;
  visibility:hidden;
  pointer-events:none;
}

.welcome__glow{
  position:absolute;
  width:60vw;
  height:60vw;
  max-width:800px;
  max-height:800px;
  background: radial-gradient(circle, var(--green-glow) 0%, transparent 65%);
  filter: blur(40px);
  opacity:.35;
  animation: pulseGlow 6s ease-in-out infinite;
}

@keyframes pulseGlow{
  0%,100%{ transform: scale(1); opacity:.28; }
  50%{ transform: scale(1.15); opacity:.42; }
}

.welcome__content{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  padding: 0 24px;
  animation: fadeUp 1s var(--ease) both;
}

@keyframes fadeUp{
  from{ opacity:0; transform: translateY(24px); }
  to{ opacity:1; transform:translateY(0); }
}

.welcome__logo{
  width: min(320px, 70vw);
  margin-bottom: 28px;
}

.welcome__tagline{
  color: var(--text-dim);
  font-size: 15px;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin: 0 0 44px;
}

.btn-enter{
  position:relative;
  background: linear-gradient(135deg, var(--green-light), var(--green));
  color:#fff;
  border:none;
  padding: 17px 44px;
  font-size:16px;
  font-weight:700;
  letter-spacing:.4px;
  border-radius: 999px;
  box-shadow: 0 0 0 0 var(--green-glow), 0 10px 30px -8px rgba(0,150,60,.55);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}

.btn-enter:hover{
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 0 0 10px rgba(0,150,60,.12), 0 14px 40px -6px rgba(0,150,60,.75);
}

.btn-enter:active{ transform: translateY(-1px) scale(0.99); }

/* ---------------------------------------------------------------------- */
/* HEADER                                                                  */
/* ---------------------------------------------------------------------- */

.header{
  position:sticky;
  top:0;
  z-index:40;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px clamp(20px, 5vw, 60px);
  background: rgba(8,8,8,.7);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--border);
}

.header__brand img{ height: 34px; }

.btn-back{
  display:flex;
  align-items:center;
  gap:10px;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--border);
  color: var(--text);
  font-size:14px;
  font-weight:600;
  padding: 10px 18px;
  border-radius: 999px;
  transition: background .25s, border-color .25s, transform .25s;
}

.btn-back__icon{ font-size:16px; transition: transform .25s; }

.btn-back:hover{
  background: var(--green);
  border-color: var(--green);
}

.btn-back:hover .btn-back__icon{ transform: translateX(-3px); }

.btn-back[hidden]{ display:none; }

/* ---------------------------------------------------------------------- */
/* INTRO                                                                   */
/* ---------------------------------------------------------------------- */

.intro{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(60px, 10vw, 120px) clamp(20px, 5vw, 60px) 40px;
  text-align:center;
  display:flex;
  flex-direction:column;
  align-items:center;
}

.intro__eyebrow{
  color: var(--green-light);
  text-transform:uppercase;
  letter-spacing: 3px;
  font-size:12px;
  font-weight:700;
  margin:0 0 18px;
}

.intro__title{
  font-size: clamp(36px, 6vw, 64px);
  margin:0 0 20px;
  font-weight:800;
  letter-spacing:-1px;
}

.intro__text{
  max-width: 640px;
  color: var(--text-dim);
  font-size: 17px;
  line-height:1.7;
  margin:0;
}

/* ---------------------------------------------------------------------- */
/* HUB — SELEÇÃO DE PROJETOS                                               */
/* ---------------------------------------------------------------------- */

.hub__grid{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 20px clamp(20px, 5vw, 60px) 100px;
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

@media (max-width: 800px){ .hub__grid{ grid-template-columns: 1fr; } }

.hub__card{
  position:relative;
  border-radius: 20px;
  overflow:hidden;
  aspect-ratio: 4 / 3;
  background: var(--panel);
  border: 1px solid var(--border);
  cursor:pointer;
  opacity:0;
  transform: translateY(18px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}

.hub__card.in-view{ opacity:1; transform:translateY(0); }

.hub__card img{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit: cover;
  transition: transform .6s var(--ease);
}

.hub__card:hover img{ transform: scale(1.06); }

.hub__card::after{
  content:'';
  position:absolute; inset:0;
  background: linear-gradient(to top, rgba(0,0,0,.88) 0%, rgba(0,0,0,.35) 45%, rgba(0,0,0,.1) 70%);
}

.hub__card-body{
  position:absolute; left:0; right:0; bottom:0;
  padding: 28px clamp(20px, 3vw, 34px);
  z-index:1;
}

.hub__card-index{
  color: var(--green-light);
  font-size:12px;
  font-weight:700;
  letter-spacing:2px;
  text-transform:uppercase;
  margin:0 0 8px;
}

.hub__card-title{
  font-size: clamp(24px, 3vw, 32px);
  font-weight:800;
  margin:0 0 10px;
  color:#fff;
}

.hub__card-meta{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.hub__card-tag{
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(6px);
  padding: 6px 14px;
  border-radius: 999px;
  font-size:12.5px;
  font-weight:600;
  color:#fff;
}

.hub__card-enter{
  position:absolute;
  top: 24px; right: 24px;
  width:46px; height:46px;
  border-radius:50%;
  background: rgba(0,0,0,.4);
  border:1px solid rgba(255,255,255,.25);
  display:flex; align-items:center; justify-content:center;
  color:#fff;
  font-size:18px;
  z-index:1;
  transition: background .3s, transform .3s;
}

.hub__card:hover .hub__card-enter{
  background: var(--green);
  transform: rotate(45deg);
}

/* ---------------------------------------------------------------------- */
/* PÁGINA DE PROJETO                                                       */
/* ---------------------------------------------------------------------- */

.project-view{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 50px clamp(20px, 5vw, 60px) 100px;
}

.project__header{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap: 24px;
  flex-wrap:wrap;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.project__heading{ max-width: 680px; }

.project__index{
  color: var(--green-light);
  font-weight:700;
  font-size:13px;
  letter-spacing:2px;
  text-transform:uppercase;
  margin:0 0 10px;
}

.project__title{
  font-size: clamp(28px, 4vw, 42px);
  margin:0 0 12px;
  font-weight:800;
}

.project__desc{
  color: var(--text-dim);
  font-size:15.5px;
  line-height:1.7;
  margin:0;
}

.project__count{
  flex-shrink:0;
  background: var(--panel);
  border:1px solid var(--border);
  color: var(--text-dim);
  padding: 10px 18px;
  border-radius: 999px;
  font-size:13px;
  font-weight:600;
  white-space:nowrap;
}

.project__count strong{ color:#fff; }

/* Masonry via CSS columns */
.masonry{
  column-count: 4;
  column-gap: 14px;
}

@media (max-width: 1100px){ .masonry{ column-count: 3; } }
@media (max-width: 720px){ .masonry{ column-count: 2; column-gap: 10px; } }
@media (max-width: 460px){ .masonry{ column-count: 1; } }

.masonry__item{
  break-inside: avoid;
  margin-bottom: 14px;
  border-radius: var(--radius);
  overflow:hidden;
  position:relative;
  background: var(--panel);
  cursor: zoom-in;
  border: 1px solid var(--border);
}

@media (max-width: 720px){ .masonry__item{ margin-bottom:10px; } }

.masonry__item img{
  width:100%;
  height:auto;
  display:block;
  opacity:0;
  transform: scale(1.03);
  transition: opacity .5s var(--ease), transform .6s var(--ease);
}

.masonry__item img.is-loaded{
  opacity:1;
  transform: scale(1);
}

.masonry__item::after{
  content:'';
  position:absolute; inset:0;
  background: linear-gradient(to top, rgba(0,0,0,.55), transparent 45%);
  opacity:0;
  transition: opacity .3s;
  pointer-events:none;
}

.masonry__item:hover::after{ opacity:1; }

.masonry__item:hover img{ transform: scale(1.045); }

.masonry__zoom{
  position:absolute;
  right:12px; bottom:12px;
  width:34px; height:34px;
  border-radius:50%;
  background: rgba(0,0,0,.5);
  border:1px solid rgba(255,255,255,.25);
  display:flex; align-items:center; justify-content:center;
  color:#fff;
  opacity:0;
  transform: translateY(6px);
  transition: opacity .3s, transform .3s;
  pointer-events:none;
}

.masonry__item:hover .masonry__zoom{ opacity:1; transform:translateY(0); }

/* reveal on scroll */
.masonry__item{
  opacity:0;
  transform: translateY(18px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}
.masonry__item.in-view{ opacity:1; transform:translateY(0); }

/* ---------------------------------------------------------------------- */
/* SEÇÃO DE VÍDEOS                                                         */
/* ---------------------------------------------------------------------- */

.section-label{
  font-size:13px;
  font-weight:700;
  letter-spacing:2px;
  text-transform:uppercase;
  color: var(--text-dim);
  margin: 0 0 18px;
}

.video-section{ margin-bottom: 48px; }

.video-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
}

.video-card{
  position:relative;
  border-radius: var(--radius);
  overflow:hidden;
  background: var(--panel);
  border: 1px solid var(--border);
  aspect-ratio: 16 / 9;
}

.video-card img{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover;
  opacity:0;
  transition: opacity .5s var(--ease);
}
.video-card img.is-loaded{ opacity:1; }

.video-card video{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover;
  background:#000;
}

.video-card__play{
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  background: rgba(0,0,0,.25);
  border:none;
  cursor:pointer;
  z-index:1;
  transition: background .25s;
}

.video-card__play:hover{ background: rgba(0,0,0,.4); }

.video-card__play-icon{
  width:64px; height:64px;
  border-radius:50%;
  background: rgba(0,150,60,.9);
  display:flex; align-items:center; justify-content:center;
  color:#fff;
  font-size:22px;
  box-shadow: 0 8px 24px -4px rgba(0,0,0,.5);
  transition: transform .25s;
}

.video-card__play:hover .video-card__play-icon{ transform: scale(1.08); }

.video-card__duration{
  position:absolute;
  right:12px; bottom:12px;
  background: rgba(0,0,0,.65);
  color:#fff;
  font-size:12px;
  font-weight:600;
  padding: 4px 10px;
  border-radius: 6px;
  z-index:1;
}

/* ---------------------------------------------------------------------- */
/* FOOTER                                                                  */
/* ---------------------------------------------------------------------- */

.footer{
  border-top: 1px solid var(--border);
  padding: 40px 24px 60px;
  text-align:center;
  color: var(--text-dim);
  font-size:13px;
}

.footer__logo{
  width: 150px;
  margin: 0 auto 18px;
  opacity:.9;
}

/* ---------------------------------------------------------------------- */
/* LIGHTBOX                                                                */
/* ---------------------------------------------------------------------- */

.lightbox{
  position:fixed; inset:0;
  z-index: 200;
  background: rgba(4,4,4,.96);
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:0;
  visibility:hidden;
  transition: opacity .3s var(--ease), visibility .3s var(--ease);
}

.lightbox.is-open{ opacity:1; visibility:visible; }

.lightbox__stage{
  position:relative;
  width: min(90vw, 1400px);
  height: min(82vh, 900px);
  display:flex;
  align-items:center;
  justify-content:center;
}

.lightbox__stage img{
  max-width:100%;
  max-height:100%;
  width:auto; height:auto;
  border-radius: 8px;
  box-shadow: 0 30px 80px -20px rgba(0,0,0,.7);
  opacity:0;
  transition: opacity .35s var(--ease);
}

.lightbox__stage img.is-loaded{ opacity:1; }

.lightbox__loader{
  position:absolute;
  width:34px; height:34px;
  border-radius:50%;
  border: 3px solid rgba(255,255,255,.15);
  border-top-color: var(--green-light);
  animation: spin .8s linear infinite;
  opacity:1;
  transition: opacity .2s;
}
.lightbox__loader.is-hidden{ opacity:0; }

@keyframes spin{ to{ transform: rotate(360deg); } }

.lightbox__close{
  position:absolute;
  top: 20px; right: 24px;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--border);
  color:#fff;
  width:44px; height:44px;
  border-radius:50%;
  font-size:26px;
  line-height:1;
  display:flex; align-items:center; justify-content:center;
  transition: background .25s, transform .25s;
}
.lightbox__close:hover{ background: var(--green); transform: rotate(90deg); }

.lightbox__nav{
  position:absolute;
  top:50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,.06);
  border: 1px solid var(--border);
  color:#fff;
  width:52px; height:52px;
  border-radius:50%;
  font-size:18px;
  display:flex; align-items:center; justify-content:center;
  transition: background .25s, transform .25s;
}
.lightbox__nav:hover{ background: var(--green); }
.lightbox__prev{ left: clamp(10px, 3vw, 40px); }
.lightbox__next{ right: clamp(10px, 3vw, 40px); }

.lightbox__caption{
  position:absolute;
  bottom: 22px;
  left:0; right:0;
  display:flex;
  align-items:center;
  justify-content:center;
  gap: 14px;
  color: var(--text-dim);
  font-size:13px;
}

.lightbox__counter{
  background: rgba(255,255,255,.08);
  padding: 4px 12px;
  border-radius: 999px;
  color:#fff;
  font-weight:600;
}

/* ---------------------------------------------------------------------- */
/* RESPONSIVE (mobile)                                                     */
/* ---------------------------------------------------------------------- */

@media (max-width: 720px){
  .btn-back__label{ display:none; }
  .btn-back{ padding: 10px 14px; }

  .lightbox__nav{ width:42px; height:42px; }
  .lightbox__close{ width:38px; height:38px; top:12px; right:12px; }
}