/* ============================================================
   humAIn — CSS Principal
   Paleta: Verde #8DFE07 | Magenta #EC268F | Cinza #606062
           Branco #FEFEFE | Preto #201E1E
   ============================================================ */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green:   #8DFE07;
  --magenta: #EC268F;
  --gray:    #606062;
  --white:   #FEFEFE;
  --black:   #201E1E;
  --bg:      #0a0a0f;
  --bg2:     #111118;
  --bg3:     #16161f;
  --text:    #e8e8ec;
  --text-dim:#9090a0;
  --radius:  4px;
  --transition: 0.3s ease;
  --font: 'Calibri', 'Calibri Web', 'Gill Sans', 'Trebuchet MS', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

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

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* ---------- Typography ---------- */
h1, h2, h3 {
  font-family: var(--font);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

h2.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 0.5rem;
  color: var(--white);
}

.section-subtitle {
  color: var(--text-dim);
  font-size: 1.05rem;
  margin-bottom: 3rem;
  max-width: 560px;
}

section { padding: 6rem 0; }

/* ---------- Header ---------- */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.2rem 0;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(141, 254, 7, 0.08);
  transition: background var(--transition), box-shadow var(--transition);
}

#header.scrolled {
  background: rgba(10, 10, 15, 0.97);
  box-shadow: 0 2px 24px rgba(0,0,0,0.4);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  height: 40px;
}

.logo img {
  height: 40px;
  width: auto;
}

/* Nav */
.nav-links {
  display: flex;
  gap: 2.4rem;
  align-items: center;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -3px;
  width: 0; height: 1px;
  background: var(--green);
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active { color: var(--white); }
.nav-links a:hover::after { width: 100%; }

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: transform var(--transition), opacity var(--transition);
}

/* ---------- Hero ---------- */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 0;
}

/* Circuit / neon line background */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-bg svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.18;
}

/* Animated glow gradient */
.hero-glow {
  position: absolute;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(141,254,7,0.12) 0%, transparent 70%);
  top: -150px;
  right: -100px;
  animation: glow-drift 12s ease-in-out infinite alternate;
  pointer-events: none;
}

.hero-glow-2 {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(236,38,143,0.08) 0%, transparent 70%);
  bottom: -80px;
  left: -80px;
  animation: glow-drift 16s ease-in-out infinite alternate-reverse;
  pointer-events: none;
}

@keyframes glow-drift {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, 30px) scale(1.08); }
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 120px 0 80px;
  max-width: 760px;
}

.hero-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  border: 1px solid rgba(141,254,7,0.3);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius);
  margin-bottom: 1.8rem;
  animation: fade-up 0.8s ease both;
}

.hero-title {
  font-size: clamp(2.6rem, 7vw, 5.2rem);
  color: var(--white);
  margin-bottom: 1.5rem;
  animation: fade-up 0.8s 0.15s ease both;
}

.hero-title span {
  color: var(--green);
  text-shadow: 0 0 30px rgba(141,254,7,0.35);
}

.hero-desc {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-dim);
  max-width: 560px;
  line-height: 1.75;
  margin-bottom: 2.5rem;
  animation: fade-up 0.8s 0.3s ease both;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fade-up 0.8s 0.45s ease both;
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.btn-primary {
  background: var(--green);
  color: var(--black);
}

.btn-primary:hover {
  background: #a5ff30;
  box-shadow: 0 0 24px rgba(141,254,7,0.4);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.2);
}

.btn-outline:hover {
  border-color: var(--green);
  color: var(--green);
  transform: translateY(-1px);
}

/* ---------- Section: Sobre ---------- */
#sobre { background: var(--bg2); }

.sobre-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 5rem;
  align-items: start;
}

.sobre-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 1rem;
}

.sobre-sticky {
  position: sticky;
  top: 100px;
}

.sobre-text-block { margin-bottom: 2.2rem; }

.sobre-text-block h3 {
  font-size: 1.15rem;
  color: var(--white);
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.sobre-text-block p {
  color: var(--text-dim);
  line-height: 1.8;
  font-size: 1.02rem;
}

.sobre-accent {
  width: 3rem;
  height: 2px;
  background: var(--green);
  margin-bottom: 1.5rem;
}

/* ---------- Section: Serviços ---------- */
#servicos { background: var(--bg3); }

.servicos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.05);
}

.servico-card {
  background: var(--bg3);
  padding: 2.5rem;
  transition: background var(--transition);
  position: relative;
  overflow: hidden;
}

.servico-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.servico-card:hover { background: #1a1a24; }
.servico-card:hover::before { transform: scaleX(1); }

.servico-num {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--green);
  margin-bottom: 1.2rem;
  opacity: 0.7;
}

.servico-card h3 {
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: 1rem;
}

.servico-card p {
  color: var(--text-dim);
  font-size: 0.96rem;
  line-height: 1.75;
}

/* ---------- Section: Portfólio ---------- */
#portfolio { background: var(--bg); }

.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 0.45rem 1.1rem;
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: transparent;
  color: var(--text-dim);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--green);
  color: var(--black);
  border-color: var(--green);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--bg2);
  cursor: pointer;
  aspect-ratio: 4/3;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  filter: grayscale(20%);
}

.portfolio-item:hover img {
  transform: scale(1.05);
  filter: grayscale(0%);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,10,15,0.95) 0%, rgba(10,10,15,0.2) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity var(--transition);
}

.portfolio-item:hover .portfolio-overlay { opacity: 1; }

.portfolio-overlay h3 {
  font-size: 1.05rem;
  color: var(--white);
  margin-bottom: 0.3rem;
}

.portfolio-cats {
  font-size: 0.75rem;
  color: var(--green);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Placeholder for missing images */
.portfolio-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg3);
  color: var(--text-dim);
  font-size: 0.85rem;
  text-align: center;
  padding: 1rem;
}

/* ---------- Section: Contato ---------- */
#contato { background: var(--bg2); }

.contato-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 5rem;
  align-items: start;
}

.contato-info p {
  color: var(--text-dim);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.contato-email {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--green);
  font-weight: 600;
  font-size: 1.05rem;
  transition: opacity var(--transition);
}

.contato-email:hover { opacity: 0.75; }

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  color: var(--white);
  font-family: var(--font);
  font-size: 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(141,254,7,0.08);
}

.form-group textarea { resize: vertical; min-height: 140px; }

.form-status {
  margin-top: 1rem;
  font-size: 0.9rem;
  display: none;
}
.form-status.success { color: var(--green); display: block; }
.form-status.error   { color: var(--magenta); display: block; }

/* ---------- Footer ---------- */
#footer {
  background: var(--black);
  padding: 2.5rem 0;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo { height: 32px; width: auto; }

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.footer-dot {
  color: var(--green);
  margin: 0 0.3rem;
}

/* ---------- Utilities ---------- */
.text-green  { color: var(--green); }
.text-magenta{ color: var(--magenta); }

/* ---------- Scroll reveal (JS adds class) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .sobre-grid  { grid-template-columns: 1fr; gap: 2.5rem; }
  .sobre-sticky { position: static; }
  .contato-grid { grid-template-columns: 1fr; gap: 3rem; }
}

@media (max-width: 768px) {
  section { padding: 4rem 0; }

  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    height: 100vh;
    width: 75vw;
    max-width: 320px;
    background: rgba(10, 10, 15, 0.98);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    padding: 2rem;
    transition: right 0.35s ease;
    border-left: 1px solid rgba(141,254,7,0.1);
  }

  .nav-links.open { right: 0; }
  .nav-links a { font-size: 1.1rem; }

  .nav-toggle { display: flex; }

  .portfolio-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
  .servicos-grid  { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2.2rem; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .portfolio-grid { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   Modal / Lightbox
═══════════════════════════════════════════════════════════════════════════ */

/* Pointer on portfolio cards */
.portfolio-item { cursor: pointer; }

/* ── Shell ── */
#modal {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  align-items: flex-end;          /* slide-up on mobile */
  justify-content: center;
}
#modal[hidden] { display: none; }

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(4px);
}

.modal-container {
  position: relative;
  z-index: 1;
  width: min(860px, 100%);
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  background: #141418;
  border: 1px solid rgba(141, 254, 7, 0.12);
  border-bottom: none;
  border-radius: 12px 12px 0 0;
  overflow: hidden;
  outline: none;
}

@media (min-width: 640px) {
  #modal { align-items: center; }
  .modal-container {
    border-bottom: 1px solid rgba(141, 254, 7, 0.12);
    border-radius: 12px;
    max-height: 88vh;
  }
}

/* ── Header ── */
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  flex-shrink: 0;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--white);
  margin: 0;
  line-height: 1.3;
}

.modal-close {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  background: rgba(255,255,255,0.06);
  border: none;
  border-radius: 50%;
  color: var(--text-dim);
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition);
}
.modal-close:hover { background: var(--verde); color: var(--preto); }

/* ── Body ── */
.modal-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 1.5rem;
  scroll-behavior: smooth;
}
.modal-body::-webkit-scrollbar { width: 4px; }
.modal-body::-webkit-scrollbar-track { background: transparent; }
.modal-body::-webkit-scrollbar-thumb { background: rgba(141,254,7,0.3); border-radius: 2px; }

/* ── Subtítulo ── */
.modal-subtitulo {
  color: var(--text-dim);
  font-size: 0.9rem;
  font-style: italic;
  margin: 0 0 1.2rem;
}

/* ── Ficha técnica ── */
.modal-ficha {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.modal-chip {
  display: inline-flex;
  gap: 0.35rem;
  align-items: center;
  padding: 0.3rem 0.7rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 100px;
  font-size: 0.75rem;
  color: var(--text-dim);
}
.modal-chip b {
  color: var(--verde);
  font-weight: 600;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.modal-chip--cat {
  background: rgba(141,254,7,0.07);
  border-color: rgba(141,254,7,0.22);
  color: var(--verde);
  font-weight: 600;
}

/* ── Case / Solução ── */
.modal-section {
  margin-bottom: 1.5rem;
}
.modal-section-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--magenta);
  margin: 0 0 0.4rem;
}
.modal-section p {
  color: var(--text-dim);
  font-size: 0.88rem;
  line-height: 1.7;
  margin: 0;
}

/* ── Carousel ── */
.modal-carousel {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  background: #0a0a0f;
  margin-bottom: 1.5rem;
  aspect-ratio: 16/9;
}

.mc-track {
  display: flex;
  height: 100%;
  transition: transform 0.35s ease;
  will-change: transform;
}

.mc-slide {
  flex: 0 0 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.mc-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.mc-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 2.2rem;
  height: 2.2rem;
  background: rgba(0,0,0,0.55);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  color: #fff;
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
  z-index: 2;
}
.mc-btn:hover { background: var(--verde); color: var(--preto); border-color: var(--verde); }
.mc-prev { left: 0.6rem; }
.mc-next { right: 0.6rem; }

.mc-counter {
  position: absolute;
  bottom: 0.6rem;
  right: 0.9rem;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.6);
  background: rgba(0,0,0,0.5);
  padding: 0.15rem 0.5rem;
  border-radius: 100px;
}

/* ── Coleção grid ── */
.modal-col-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 1rem;
  margin-top: 0.5rem;
}

.mc-col-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  text-align: center;
}
.mc-col-item img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 6px;
  padding: 0.5rem;
}
.mc-col-client {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--white);
  line-height: 1.2;
}
.mc-col-seg {
  font-size: 0.64rem;
  color: var(--text-dim);
  line-height: 1.3;
}

/* ── Nav bar ── */
.modal-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
  gap: 0.5rem;
}

.modal-nav-btn {
  padding: 0.4rem 0.9rem;
  font-family: var(--font);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  background: transparent;
  color: var(--text-dim);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--transition);
}
.modal-nav-btn:hover:not(:disabled) { border-color: var(--verde); color: var(--verde); }
.modal-nav-btn:disabled { opacity: 0.25; cursor: not-allowed; }

.modal-nav-info {
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

/* ── Mobile full-screen ── */
@media (max-width: 639px) {
  .modal-container {
    width: 100%;
    max-height: 95vh;
    border-left: none;
    border-right: none;
  }
  .modal-col-grid { grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); }
}