/* ==========================================================================
   Nocton Portfolio — tema escuro premium
   ========================================================================== */

:root{
  --bg: #08090d;
  --bg-alt: #0e1017;
  --card: #12141d;
  --card-hover: #171a26;
  --border: #232838;
  --text: #f4f5f9;
  --text-muted: #939aad;
  --text-dim: #6b7386;
  --accent: #8b5cf6;
  --accent-2: #22d3ee;
  --accent-3: #f472b6;
  --gradient: linear-gradient(120deg, var(--accent), var(--accent-2));
  --gradient-soft: linear-gradient(135deg, rgba(139,92,246,.16), rgba(34,211,238,.10));
  --whatsapp: #25D366;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow: 0 20px 60px -20px rgba(0,0,0,.6);
  --container: 1180px;
  font-size: 16px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, Segoe UI, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
h1,h2,h3,h4{ margin:0; font-family:'Sora','Plus Jakarta Sans',sans-serif; line-height:1.15; letter-spacing:-.02em; }
p{ margin:0; }
button{ font-family:inherit; cursor:pointer; }

.container{ max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section{ padding: 110px 0; position:relative; }
.section-tag{
  display:inline-flex; align-items:center; gap:8px;
  font-size:.78rem; font-weight:700; letter-spacing:.14em; text-transform:uppercase;
  color: var(--accent-2); margin-bottom: 16px;
}
.section-tag::before{ content:''; width:8px; height:8px; border-radius:50%; background: var(--gradient); }
.section-head{ max-width: 640px; margin-bottom: 56px; }
.section-head h2{ font-size: clamp(1.8rem, 3.2vw, 2.7rem); margin-bottom: 14px; }
.section-head p{ color: var(--text-muted); font-size: 1.05rem; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

/* background glow blobs */
.glow{ position:absolute; border-radius:50%; filter: blur(90px); opacity:.35; z-index:0; pointer-events:none; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding: 15px 28px; border-radius: 100px; font-weight:700; font-size:.95rem;
  border:1px solid transparent; transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn-primary{
  background: var(--gradient); color:#08090d; box-shadow: 0 10px 30px -8px rgba(139,92,246,.55);
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 16px 36px -10px rgba(139,92,246,.7); }
.btn-ghost{ background: rgba(255,255,255,.03); color: var(--text); border-color: var(--border); }
.btn-ghost:hover{ border-color: var(--accent); background: rgba(139,92,246,.08); transform: translateY(-2px); }
.btn-whatsapp{ background: var(--whatsapp); color:#04170c; box-shadow: 0 10px 30px -10px rgba(37,211,102,.6); }
.btn-whatsapp:hover{ transform: translateY(-2px); }
.btn-sm{ padding: 10px 18px; font-size:.85rem; }
.btn-block{ width:100%; }

/* ---------- header ---------- */
.site-header{
  position: sticky; top:0; z-index: 100;
  background: rgba(8,9,13,.72); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.site-header .container{ display:flex; align-items:center; justify-content:space-between; height: 78px; }
.brand{ display:flex; align-items:center; gap:10px; font-weight:800; font-size:1.15rem; }
.brand .mark{ width:34px; height:34px; border-radius:10px; background: var(--gradient); display:flex; align-items:center; justify-content:center; font-weight:900; color:#08090d; font-size:1rem; }
.brand span.dim{ color: var(--text-dim); font-weight:600; }
.nav-links{ display:flex; align-items:center; gap:36px; }
.nav-links a{ font-size:.92rem; font-weight:600; color: var(--text-muted); transition: color .2s ease; }
.nav-links a:hover{ color: var(--text); }
.header-actions{ display:flex; align-items:center; gap:14px; }
.nav-toggle{ display:none; background:none; border:1px solid var(--border); border-radius:10px; width:42px; height:42px; align-items:center; justify-content:center; color:var(--text); }

/* ---------- hero ---------- */
.hero{ padding: 96px 0 70px; position:relative; overflow:hidden; }
.hero .glow.g1{ width:520px; height:520px; background: var(--accent); top:-220px; left:-120px; }
.hero .glow.g2{ width:460px; height:460px; background: var(--accent-2); top:-120px; right:-160px; }
.hero-inner{ position:relative; z-index:1; max-width: 760px; margin: 0 auto; text-align:center; }
.hero-badge{
  display:inline-flex; align-items:center; gap:8px; padding:8px 16px; border-radius:100px;
  background: var(--gradient-soft); border:1px solid rgba(139,92,246,.35); font-size:.82rem; font-weight:700; color:#d8cffb;
  margin-bottom: 26px;
}
.hero h1{ font-size: clamp(2.4rem, 5.4vw, 4.2rem); margin-bottom: 22px; }
.hero h1 .grad{ background: var(--gradient); -webkit-background-clip:text; background-clip:text; color:transparent; }
.hero p.lead{ font-size: 1.15rem; color: var(--text-muted); max-width: 560px; margin: 0 auto 38px; }
.hero-ctas{ display:flex; align-items:center; justify-content:center; gap:16px; flex-wrap:wrap; margin-bottom: 60px; }
.hero-stats{
  display:grid; grid-template-columns: repeat(4,1fr); gap: 18px; position:relative; z-index:1;
  max-width: 960px; margin: 0 auto; padding-top: 44px; border-top: 1px solid var(--border);
}
.hero-stats .stat{ text-align:center; }
.hero-stats .stat b{ display:block; font-size: clamp(1.5rem,2.4vw,2.1rem); font-family:'Sora',sans-serif; background: var(--gradient); -webkit-background-clip:text; background-clip:text; color:transparent; }
.hero-stats .stat span{ font-size:.82rem; color: var(--text-dim); font-weight:600; }

/* ---------- features ---------- */
.features-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 20px; position:relative; z-index:1; }
.feature-card{
  background: var(--card); border:1px solid var(--border); border-radius: var(--radius-md);
  padding: 30px 26px; transition: transform .25s ease, border-color .25s ease, background .25s ease;
}
.feature-card:hover{ transform: translateY(-4px); border-color: rgba(139,92,246,.4); background: var(--card-hover); }
.feature-icon{
  width:48px; height:48px; border-radius: 13px; background: var(--gradient-soft);
  display:flex; align-items:center; justify-content:center; margin-bottom: 20px; color: var(--accent-2);
}
.feature-card h3{ font-size: 1.08rem; margin-bottom:10px; }
.feature-card p{ color: var(--text-muted); font-size:.92rem; }

/* ---------- plans ---------- */
.plans-grid{ display:grid; grid-template-columns: repeat(2,1fr); gap: 24px; position:relative; z-index:1; }
.plan-card{
  background: var(--card); border:1px solid var(--border); border-radius: var(--radius-lg);
  padding: 40px 36px; position:relative; overflow:hidden;
}
.plan-card.highlight{ border-color: rgba(139,92,246,.55); background: linear-gradient(160deg, rgba(139,92,246,.10), var(--card) 55%); }
.plan-badge{
  position:absolute; top:24px; right:24px; background: var(--gradient); color:#08090d;
  font-size:.72rem; font-weight:800; padding:6px 14px; border-radius:100px; text-transform:uppercase; letter-spacing:.05em;
}
.plan-card h3{ font-size:1.5rem; margin-bottom:8px; }
.plan-card .plan-desc{ color: var(--text-muted); font-size:.95rem; margin-bottom: 26px; }
.plan-card .plan-price{ font-size:.85rem; color: var(--text-dim); font-weight:700; text-transform:uppercase; letter-spacing:.06em; margin-bottom:28px; }
.plan-features{ display:flex; flex-direction:column; gap: 14px; margin-bottom: 32px; }
.plan-features li{ display:flex; align-items:flex-start; gap:12px; font-size:.94rem; color: var(--text); }
.plan-features li svg{ flex-shrink:0; margin-top:2px; color: var(--accent-2); }

/* ---------- portfolio / filters ---------- */
.filters-bar{
  display:flex; align-items:center; justify-content:space-between; gap: 20px; flex-wrap:wrap;
  margin-bottom: 40px; position:relative; z-index:1;
}
.filter-chips{ display:flex; gap:10px; flex-wrap:wrap; }
.chip{
  padding: 10px 18px; border-radius:100px; border:1px solid var(--border); background: var(--card);
  font-size:.86rem; font-weight:600; color: var(--text-muted); transition: all .2s ease;
}
.chip:hover{ color: var(--text); border-color: var(--accent); }
.chip.active{ background: var(--gradient); color:#08090d; border-color:transparent; }
.type-toggle{ display:flex; gap:4px; background: var(--card); border:1px solid var(--border); padding:4px; border-radius:100px; }
.type-toggle button{ border:none; background:transparent; color: var(--text-muted); font-weight:700; font-size:.84rem; padding:9px 18px; border-radius:100px; transition: all .2s ease; }
.type-toggle button.active{ background: var(--gradient); color:#08090d; }

.portfolio-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 24px; position:relative; z-index:1; }
.pf-card{
  background: var(--card); border:1px solid var(--border); border-radius: var(--radius-md); overflow:hidden;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
  display:flex; flex-direction:column;
}
.pf-card:hover{ transform: translateY(-6px); border-color: rgba(139,92,246,.45); box-shadow: var(--shadow); }
.pf-card.hidden{ display:none; }
.thumb-wrap{ position:relative; aspect-ratio: 16/11; overflow:hidden; background: var(--bg-alt); border-bottom:1px solid var(--border); }
.thumb-frame{ position:absolute; top:0; left:0; width:400%; height:400%; transform: scale(.25); transform-origin: top left; border:0; pointer-events:none; }
.thumb-overlay{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  background: rgba(8,9,13,0); opacity:0; transition: all .25s ease;
}
.pf-card:hover .thumb-overlay{ background: rgba(8,9,13,.55); opacity:1; }
.thumb-overlay span{
  display:inline-flex; align-items:center; gap:8px; background: var(--gradient); color:#08090d;
  font-weight:800; font-size:.82rem; padding:11px 20px; border-radius:100px; transform: translateY(8px); transition: transform .25s ease;
}
.pf-card:hover .thumb-overlay span{ transform: translateY(0); }
.thumb-type{
  position:absolute; top:14px; left:14px; font-size:.7rem; font-weight:800; text-transform:uppercase; letter-spacing:.05em;
  padding: 6px 12px; border-radius:100px; backdrop-filter: blur(6px);
}
.thumb-type.simples{ background: rgba(34,211,238,.16); color: var(--accent-2); border:1px solid rgba(34,211,238,.4); }
.thumb-type.completa{ background: rgba(139,92,246,.18); color:#c4b5fd; border:1px solid rgba(139,92,246,.45); }
.pf-body{ padding: 22px 24px 26px; display:flex; flex-direction:column; gap:10px; flex:1; }
.pf-niche{ font-size:.76rem; font-weight:700; text-transform:uppercase; letter-spacing:.08em; color: var(--text-dim); }
.pf-body h3{ font-size:1.1rem; }
.pf-body p{ color: var(--text-muted); font-size:.88rem; flex:1; }
.pf-link{ display:inline-flex; align-items:center; gap:6px; font-size:.85rem; font-weight:700; color: var(--accent-2); margin-top:6px; }
.pf-link svg{ transition: transform .2s ease; }
.pf-card:hover .pf-link svg{ transform: translateX(3px); }
.no-results{ text-align:center; padding: 60px 20px; color: var(--text-dim); display:none; }
.no-results.show{ display:block; }

/* ---------- real projects (case cards) ---------- */
.case-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap:24px; position:relative; z-index:1; }
.case-card{
  background: var(--card); border:1px solid var(--border); border-radius: var(--radius-md);
  overflow:hidden; transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.case-card:hover{ transform: translateY(-6px); border-color: rgba(139,92,246,.4); box-shadow: var(--shadow); }
.browser-mock{ background: var(--bg-alt); border-bottom:1px solid var(--border); }
.browser-bar{ display:flex; align-items:center; gap:8px; padding:12px 14px; border-bottom:1px solid var(--border); }
.browser-dot{ width:9px; height:9px; border-radius:50%; }
.browser-url{ flex:1; margin-left:8px; background: var(--card); border:1px solid var(--border); border-radius:100px; padding:5px 14px; font-size:.74rem; color: var(--text-dim); font-weight:600; }
.browser-body{ aspect-ratio: 16/10; padding:20px; display:flex; flex-direction:column; gap:10px; }
.skeleton-row{ display:flex; gap:10px; }
.skeleton-block{ border-radius:6px; background: linear-gradient(100deg, rgba(255,255,255,.05), rgba(255,255,255,.10), rgba(255,255,255,.05)); }
.case-body{ padding: 22px 24px 26px; }
.case-tag{ font-size:.76rem; font-weight:700; text-transform:uppercase; letter-spacing:.08em; color: var(--text-dim); }
.case-body h3{ font-size:1.1rem; margin: 6px 0 8px; }
.case-body p{ color: var(--text-muted); font-size:.88rem; margin-bottom:16px; }

/* ---------- style badge on portfolio cards ---------- */
.pf-style{ font-size:.72rem; color: var(--text-dim); font-weight:600; display:flex; align-items:center; gap:6px; }
.pf-style::before{ content:'✦'; color: var(--accent-2); }

/* ---------- process ---------- */
.process-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap:20px; position:relative; z-index:1; }
.process-step{ position:relative; padding: 30px 24px; background: var(--card); border:1px solid var(--border); border-radius: var(--radius-md); }
.process-step .num{ font-family:'Sora',sans-serif; font-size:2.2rem; font-weight:800; background: var(--gradient); -webkit-background-clip:text; background-clip:text; color:transparent; margin-bottom:14px; }
.process-step h3{ font-size:1.02rem; margin-bottom:8px; }
.process-step p{ color: var(--text-muted); font-size:.87rem; }

/* ---------- final cta ---------- */
.final-cta{
  background: linear-gradient(135deg, rgba(139,92,246,.14), rgba(34,211,238,.08));
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 70px 50px; text-align:center; position:relative; overflow:hidden;
}
.final-cta h2{ font-size: clamp(1.8rem,3.4vw,2.6rem); margin-bottom:16px; }
.final-cta p{ color: var(--text-muted); font-size:1.05rem; max-width:520px; margin: 0 auto 34px; }
.final-cta .ctas{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }

/* ---------- footer ---------- */
.site-footer{ border-top:1px solid var(--border); padding: 56px 0 30px; background: var(--bg-alt); }
.footer-top{ display:flex; justify-content:space-between; gap:40px; flex-wrap:wrap; margin-bottom: 40px; }
.footer-brand p{ color: var(--text-dim); font-size:.88rem; max-width:280px; margin-top:12px; }
.footer-cols{ display:flex; gap: 64px; flex-wrap:wrap; }
.footer-col h4{ font-size:.82rem; text-transform:uppercase; letter-spacing:.08em; color: var(--text-dim); margin-bottom:16px; }
.footer-col a, .footer-col span{ display:block; font-size:.9rem; color: var(--text-muted); margin-bottom:10px; }
.footer-col a:hover{ color: var(--accent-2); }
.footer-bottom{ border-top:1px solid var(--border); padding-top: 24px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:.8rem; color: var(--text-dim); }

/* ---------- whatsapp float ---------- */
.wa-float{
  position: fixed; bottom: 26px; right: 26px; z-index: 200;
  width: 60px; height:60px; border-radius:50%; background: var(--whatsapp);
  display:flex; align-items:center; justify-content:center; box-shadow: 0 12px 30px -6px rgba(37,211,102,.65);
  animation: pulse-wa 2.4s infinite;
}
.wa-float:hover{ transform: scale(1.06); }
@keyframes pulse-wa{
  0%{ box-shadow: 0 0 0 0 rgba(37,211,102,.5), 0 12px 30px -6px rgba(37,211,102,.65); }
  70%{ box-shadow: 0 0 0 14px rgba(37,211,102,0), 0 12px 30px -6px rgba(37,211,102,.65); }
  100%{ box-shadow: 0 0 0 0 rgba(37,211,102,0), 0 12px 30px -6px rgba(37,211,102,.65); }
}

/* ---------- responsive ---------- */
@media (max-width: 980px){
  .features-grid{ grid-template-columns: repeat(2,1fr); }
  .portfolio-grid{ grid-template-columns: repeat(2,1fr); }
  .case-grid{ grid-template-columns: repeat(2,1fr); }
  .process-grid{ grid-template-columns: repeat(2,1fr); }
  .plans-grid{ grid-template-columns: 1fr; }
  .hero-stats{ grid-template-columns: repeat(2,1fr); row-gap: 30px; }
}
@media (max-width: 760px){
  .nav-links{ display:none; }
  .nav-toggle{ display:flex; }
  .section{ padding: 74px 0; }
  .features-grid, .portfolio-grid, .process-grid, .case-grid{ grid-template-columns: 1fr; }
  .footer-top{ flex-direction:column; }
  .filters-bar{ flex-direction:column; align-items:flex-start; }
  .final-cta{ padding: 50px 24px; }
}