/* =====================================================
   RESET & VARIÁVEIS
   ===================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black:   #000000;
  --blue:    #3280b8;
  --blue-dk: #1e5a8a;
  --blue-lt: #4a9fd4;
  --gray:    #7a7a7a;
  --light:   #f4f4f4;
  --white:   #ffffff;
  --font:    'Inter', system-ui, sans-serif;
  --radius:  8px;
  --trans:   0.3s ease;
}

html  { scroll-behavior: smooth; }
body  {
  font-family: var(--font);
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a   { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* Herdar fonte nos inputs (boas práticas de reset) */
input, button, textarea, select { font: inherit; }

/* Quebra de palavras longas */
p, h1, h2, h3, h4, h5, h6 { overflow-wrap: break-word; }

::-webkit-scrollbar       { width: 6px; }
::-webkit-scrollbar-track { background: #111; }
::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 3px; }

/* =====================================================
   NAVIGATION
   ===================================================== */
nav#main-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%; height: 64px;
  background: rgba(0,0,0,0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(50,128,184,0.15);
  transition: box-shadow var(--trans);
}

.nav-logo {
  font-size: 1.2rem; font-weight: 800;
  letter-spacing: .04em; color: var(--white);
}
.nav-logo span { color: var(--blue); }

.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a {
  font-size: .85rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--gray); transition: color var(--trans);
  display: inline-flex; align-items: center; gap: 6px;
}
.nav-links a:hover { color: var(--blue); }
.nav-links a i { font-size: .9rem; }

.nav-cta {
  padding: 8px 20px; border-radius: var(--radius);
  background: var(--blue); color: var(--white) !important;
  font-size: .8rem; font-weight: 700; letter-spacing: .06em;
  transition: background var(--trans) !important;
  display: inline-flex; align-items: center; gap: 6px;
}
.nav-cta:hover { background: var(--blue-dk) !important; }

.nav-toggle {
  display: none; cursor: pointer;
  flex-direction: column; gap: 5px;
  background: none; border: none; padding: 4px;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: var(--trans);
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: var(--radius);
  background: var(--blue); color: var(--white);
  font-size: .9rem; font-weight: 700; letter-spacing: .04em;
  border: none; cursor: pointer;
  transition: background var(--trans), transform var(--trans);
  white-space: nowrap;
}
.btn-primary:hover { background: var(--blue-dk); transform: translateY(-2px); }
.btn-primary i { font-size: 1rem; flex-shrink: 0; }

.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: var(--radius);
  border: 1.5px solid rgba(50,128,184,0.5); color: var(--blue-lt);
  font-size: .9rem; font-weight: 700; letter-spacing: .04em;
  background: transparent; cursor: pointer;
  transition: all var(--trans);
  white-space: nowrap;
}
.btn-outline:hover {
  border-color: var(--blue);
  background: rgba(50,128,184,0.1);
  transform: translateY(-2px);
}
.btn-outline i { font-size: 1rem; flex-shrink: 0; }

/* =====================================================
   HERO
   ===================================================== */
#hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 100px 5% 60px; position: relative; overflow: hidden;
}

.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 50%, rgba(50,128,184,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 20% 80%, rgba(50,128,184,0.06) 0%, transparent 60%);
}

.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(50,128,184,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(50,128,184,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content { position: relative; z-index: 1; max-width: 800px; }

/* Hero tag — bolinha via ::before + suporte ao bi icon */
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 20px;
  border: 1px solid rgba(50,128,184,0.4);
  background: rgba(50,128,184,0.08);
  font-size: .75rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--blue-lt); margin-bottom: 1.5rem;
}

/* Bolinha animada — usada quando não há ícone Bootstrap */
.hero-tag::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--blue-lt); animation: pulse-dot 2s infinite;
  flex-shrink: 0;
}

/* Se o hero-tag tiver um <i> dentro, esconde o ::before */
.hero-tag:has(i)::before { display: none; }

.hero-tag i {
  font-size: .75rem;
  color: var(--blue-lt);
  animation: pulse-dot 2s infinite;
  flex-shrink: 0;
}

@keyframes pulse-dot {
  0%,100% { opacity:1; transform:scale(1); }
  50%      { opacity:.4; transform:scale(1.4); }
}

@keyframes pulse {
  0%,100% { opacity:1; transform:scale(1); }
  50%      { opacity:.4; transform:scale(1.4); }
}

.hero-name {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 900; letter-spacing: -.02em; line-height: 1.1;
  margin-bottom: .5rem;
}
.hero-name .accent { color: var(--blue); }

.hero-roles {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--gray); margin-bottom: 1.5rem; letter-spacing: .02em;
}
.hero-roles strong { color: var(--blue-lt); font-weight: 600; }

.hero-desc {
  font-size: 1rem; color: #aaa;
  max-width: 560px; line-height: 1.8; margin-bottom: 2.5rem;
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-stats {
  display: flex; gap: 3rem; margin-top: 3rem;
  padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.06);
}
.stat-item { display: flex; flex-direction: column; }
.stat-number {
  font-size: 2rem; font-weight: 900;
  color: var(--blue); line-height: 1;
}
.stat-label {
  font-size: .72rem; color: var(--gray);
  text-transform: uppercase; letter-spacing: .08em;
  margin-top: 4px;
  display: inline-flex; align-items: center; gap: 4px;
}
.stat-label i {
  font-size: .7rem;
  opacity: .7;
  vertical-align: middle;
}

/* =====================================================
   SECTIONS
   ===================================================== */
section { padding: 80px 5%; }

.section-label {
  font-size: .72rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--blue); margin-bottom: .5rem;
  display: inline-flex; align-items: center; gap: 6px;
}
.section-label i { font-size: .8rem; }

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 900; letter-spacing: -.01em;
}
.section-title span { color: var(--blue); }
.section-sub   { color: var(--gray); margin-top: .75rem; font-size: 1rem; max-width: 560px; }
.section-header { margin-bottom: 3rem; }

/* =====================================================
   ABOUT
   ===================================================== */
#about { background: #050505; }

.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: center;
}

.about-photo-wrap {
  width: 100%; aspect-ratio: 4/5; border-radius: 12px;
  background: linear-gradient(135deg, #0d1f2d 0%, #0a1520 100%);
  border: 1px solid rgba(50,128,184,0.2);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; position: relative;
}
.about-photo-wrap img { width: 100%; height: 100%; object-fit: cover; }

.about-photo-placeholder {
  width: 120px; height: 120px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dk) 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem; font-weight: 900; color: white;
}

.about-visual { position: relative; }

.about-badge {
  position: absolute; bottom: -16px; right: -16px;
  padding: 14px 20px; border-radius: var(--radius);
  background: var(--blue); color: white;
  font-size: .82rem; font-weight: 700; text-align: center;
  box-shadow: 0 8px 32px rgba(50,128,184,0.4);
}
.about-badge strong { font-size: 1.4rem; display: block; }

.about-text h3 { font-size: 1.6rem; font-weight: 700; margin-bottom: 1rem; }
.about-text p  { color: #bbb; line-height: 1.8; margin-bottom: 1rem; }
.about-text p strong { color: var(--blue-lt); }

/* Skills */
.skills-grid {
  display: grid; grid-template-columns: repeat(2,1fr);
  gap: 1rem; margin-top: 2rem;
}
.skill-item {
  padding: 14px 16px; border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.02);
  transition: border-color var(--trans);
}
.skill-item:hover { border-color: rgba(50,128,184,0.3); }

.skill-name {
  font-size: .85rem; font-weight: 600; margin-bottom: 8px;
  display: flex; align-items: center; gap: 8px;
}
.skill-name i {
  font-size: .95rem;
  color: var(--blue);
  flex-shrink: 0;
}

.skill-bar {
  height: 3px; background: rgba(255,255,255,0.08);
  border-radius: 2px; overflow: hidden;
}
.skill-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--blue-lt));
  border-radius: 2px; transition: width 1.2s ease;
}

/* =====================================================
   PORTFOLIO
   ===================================================== */
#portfolio { background: var(--black); }

.filters { display: flex; gap: .75rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.filter-btn {
  padding: 8px 18px; border-radius: 20px; font-size: .8rem;
  font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  border: 1.5px solid rgba(255,255,255,0.1); background: transparent;
  color: var(--gray); cursor: pointer; transition: all var(--trans);
  display: inline-flex; align-items: center; gap: 6px;
}
.filter-btn:hover,
.filter-btn.active { background: var(--blue); border-color: var(--blue); color: white; }
.filter-btn i { font-size: .85rem; }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px,1fr));
  gap: 1.5rem;
}

.project-card {
  border-radius: 12px; overflow: hidden;
  background: #0a0a0a; border: 1px solid rgba(255,255,255,0.06);
  transition: transform var(--trans), border-color var(--trans), box-shadow var(--trans);
  cursor: pointer;
}
.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(50,128,184,0.3);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(50,128,184,0.08);
}

.project-cover {
  width: 100%; aspect-ratio: 16/9; overflow: hidden;
  position: relative; background: #111;
}
.project-cover img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s ease;
}
.project-card:hover .project-cover img { transform: scale(1.06); }

/* Placeholder quando não há capa — Bootstrap Icon centralizado */
.cover-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #0d1f2d 0%, #060e14 100%);
}
.cover-placeholder i {
  font-size: 2.8rem;
  color: rgba(50,128,184,0.25);
}

.project-type-badge {
  position: absolute; top: 12px; left: 12px;
  padding: 4px 10px; border-radius: 4px;
  font-size: .68rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 5px;
}
.project-type-badge i { font-size: .7rem; }

.badge-branding { background: rgba(50,128,184,0.9); color: white; }
.badge-website  { background: rgba(0,160,120,0.9);  color: white; }
.badge-landing  { background: rgba(160,80,200,0.9); color: white; }
.badge-ia       { background: rgba(200,140,0,0.9);  color: white; }
.badge-design   { background: rgba(50,128,184,0.9); color: white; }

.project-info   { padding: 1.25rem; }
.project-client { font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--blue); margin-bottom: 4px; }
.project-name   { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.project-desc   { font-size: .85rem; color: var(--gray); line-height: 1.6; }
.project-tags   { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; }
.project-tag    {
  padding: 3px 10px; border-radius: 20px; font-size: .7rem;
  background: rgba(50,128,184,0.12); color: var(--blue-lt);
  border: 1px solid rgba(50,128,184,0.2);
}

/* =====================================================
   MODAL
   ===================================================== */
.modal-overlay {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(0,0,0,0.92); backdrop-filter: blur(6px);
  display: none; align-items: flex-start; justify-content: center;
  overflow-y: auto; padding: 40px 20px;
}
.modal-overlay.open { display: flex; }

.modal-box {
  background: #0d0d0d; border-radius: 16px;
  border: 1px solid rgba(50,128,184,0.2);
  width: 100%; max-width: 900px; position: relative; overflow: hidden;
}

.modal-close {
  position: absolute; top: 16px; right: 16px; z-index: 10;
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.08); border: none; color: white;
  font-size: 1.1rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--trans);
}
.modal-close:hover { background: rgba(255,255,255,0.18); }
.modal-close i { font-size: 1rem; }

.modal-cover { width: 100%; aspect-ratio: 16/7; overflow: hidden; background: #111; }
.modal-cover img { width: 100%; height: 100%; object-fit: cover; }

.modal-cover-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #0d1f2d 0%, #060e14 100%);
}
.modal-cover-placeholder i {
  font-size: 4.5rem;
  color: rgba(50,128,184,0.2);
}

.modal-body { padding: 2rem; }
.modal-meta { display: flex; gap: 1rem; align-items: center; margin-bottom: 1rem; flex-wrap: wrap; }

.modal-type-badge {
  padding: 5px 12px; border-radius: 4px;
  font-size: .72rem; font-weight: 700; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 5px;
}
.modal-type-badge i { font-size: .75rem; }

.modal-client-label { font-size: .82rem; color: var(--gray); }
.modal-title { font-size: 1.8rem; font-weight: 900; margin-bottom: .75rem; }
.modal-desc  { color: #aaa; line-height: 1.8; margin-bottom: 2rem; font-size: .95rem; }

.modal-section-title {
  font-size: .72rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--blue); margin-bottom: 1rem; padding-bottom: 8px;
  border-bottom: 1px solid rgba(50,128,184,0.2);
  display: flex; align-items: center; gap: 6px;
}
.modal-section-title i { font-size: .8rem; }

.modal-images {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px,1fr));
  gap: 10px; margin-bottom: 2rem;
}
.modal-img-item {
  aspect-ratio: 4/3; border-radius: 8px; overflow: hidden;
  background: #111; cursor: zoom-in; transition: transform var(--trans);
}
.modal-img-item:hover { transform: scale(1.02); }
.modal-img-item img { width: 100%; height: 100%; object-fit: cover; }

/* Branding extras */
.typography-preview {
  padding: 1.5rem; border-radius: var(--radius);
  background: rgba(255,255,255,0.02); border: 1px solid rgba(255,255,255,0.06);
}
.font-display { font-size: 2rem; font-weight: 900; margin-bottom: 4px; }
.font-name    { font-size: .75rem; color: var(--gray); }

.color-palette { display: flex; gap: 10px; flex-wrap: wrap; }
.color-chip    { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.color-swatch  { width: 56px; height: 56px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.08); }
.color-hex     { font-size: .68rem; color: var(--gray); font-family: monospace; }

/* =====================================================
   SERVICES
   ===================================================== */
#services { background: #050505; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px,1fr));
  gap: 1.5rem;
}

.service-card {
  padding: 2rem; border-radius: 12px;
  background: #0a0a0a; border: 1px solid rgba(255,255,255,0.06);
  transition: all var(--trans);
}
.service-card:hover {
  border-color: rgba(50,128,184,0.3);
  background: rgba(50,128,184,0.03);
  transform: translateY(-4px);
}

/* Ícone Bootstrap no service-card */
.service-icon {
  width: 52px; height: 52px; border-radius: 10px;
  background: rgba(50,128,184,0.1);
  border: 1px solid rgba(50,128,184,0.2);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.2rem;
  transition: background var(--trans), border-color var(--trans);
}
.service-icon i {
  font-size: 1.5rem;
  color: var(--blue);
  line-height: 1;
  transition: color var(--trans);
}
.service-card:hover .service-icon {
  background: rgba(50,128,184,0.18);
  border-color: rgba(50,128,184,0.4);
}
.service-card:hover .service-icon i { color: var(--blue-lt); }

.service-title { font-size: 1.05rem; font-weight: 700; margin-bottom: .5rem; }
.service-desc  { font-size: .85rem; color: var(--gray); line-height: 1.7; }

/* =====================================================
   IA XYZ
   ===================================================== */
#ia-xyz {
  background: linear-gradient(180deg, var(--black) 0%, #040d16 50%, var(--black) 100%);
  position: relative; overflow: hidden;
}

.ia-glow {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(50,128,184,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.ia-content {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: center;
}

.ia-text h2 { font-size: clamp(1.8rem, 3vw, 2.8rem); font-weight: 900; margin-bottom: 1rem; }
.ia-text h2 .accent { color: var(--blue); }
.ia-text p  { color: #aaa; line-height: 1.8; margin-bottom: 1.5rem; }

/* IA features — usa Bootstrap Icons, remove o ::before com ▶ */
.ia-features { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.ia-features li {
  display: flex; align-items: flex-start; gap: 12px;
  font-size: .9rem; color: #bbb; line-height: 1.6;
}
.ia-features li i {
  font-size: 1rem;
  color: var(--blue);
  flex-shrink: 0;
  margin-top: 3px;
}

/* Remove o ::before antigo pois agora usamos <i> no HTML */
.ia-features li::before { display: none; }

.ia-visual {
  aspect-ratio: 1; border-radius: 16px;
  background: linear-gradient(135deg, #0a1825 0%, #06101a 100%);
  border: 1px solid rgba(50,128,184,0.2);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}

.ia-orbit   { position: absolute; inset: 20px; border-radius: 50%; border: 1px solid rgba(50,128,184,0.1); animation: orbit 8s linear infinite; }
.ia-orbit-2 { position: absolute; inset: 40px; border-radius: 50%; border: 1px dashed rgba(50,128,184,0.07); animation: orbit 12s linear infinite reverse; }
@keyframes orbit { from { transform:rotate(0deg); } to { transform:rotate(360deg); } }

.ia-logo-text { text-align: center; position: relative; z-index: 1; }
.ia-main      { font-size: 3rem; font-weight: 900; color: var(--blue); letter-spacing: -.02em; line-height: 1; }
.ia-sub       { font-size: .82rem; letter-spacing: .2em; color: var(--gray); text-transform: uppercase; margin-top: 6px; }

/* =====================================================
   CONTACT
   ===================================================== */
#contact { background: #050505; }

.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: start;
}
.contact-info h3  { font-size: 1.4rem; font-weight: 700; margin-bottom: 1rem; }
.contact-info p   { color: #aaa; line-height: 1.8; margin-bottom: 2rem; }
.contact-items    { display: flex; flex-direction: column; gap: 1rem; }

.contact-item {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem; border-radius: var(--radius);
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
  transition: border-color var(--trans);
}
.contact-item:hover { border-color: rgba(50,128,184,0.2); }

.contact-item-icon {
  width: 40px; height: 40px; border-radius: 8px; flex-shrink: 0;
  background: rgba(50,128,184,0.1);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--trans);
}
.contact-item-icon i {
  font-size: 1.15rem;
  color: var(--blue);
  line-height: 1;
}
.contact-item:hover .contact-item-icon { background: rgba(50,128,184,0.2); }

.contact-item-label {
  font-size: .7rem; color: var(--gray);
  text-transform: uppercase; letter-spacing: .08em;
}
.contact-item-value { font-size: .9rem; font-weight: 500; color: var(--blue-lt); }
.contact-item-value a { color: inherit; transition: opacity var(--trans); }
.contact-item-value a:hover { opacity: .8; }

.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-row     { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group   { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
  font-size: .75rem; color: var(--gray);
  letter-spacing: .06em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 5px;
}
.form-group label i { font-size: .8rem; opacity: .7; }

.form-group input,
.form-group textarea,
.form-group select {
  padding: 12px 14px; border-radius: var(--radius);
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  color: white; font-family: var(--font); font-size: .9rem;
  transition: border-color var(--trans); outline: none; resize: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--blue); }
.form-group textarea { min-height: 120px; }
.form-group select option { background: #111; }

/* =====================================================
   FOOTER
   ===================================================== */
footer {
  padding: 2rem 5%; background: #000;
  border-top: 1px solid rgba(255,255,255,0.05);
  display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: 1rem;
}
footer p { font-size: .82rem; color: var(--gray); }

.footer-links { display: flex; gap: 1.5rem; }
.footer-links a {
  font-size: .82rem; color: var(--gray);
  transition: color var(--trans);
  display: inline-flex; align-items: center; gap: 5px;
}
.footer-links a:hover { color: var(--blue); }
.footer-links a i { font-size: .85rem; }

/* =====================================================
   NOTIFICATION TOAST
   ===================================================== */
.notification {
  position: fixed; bottom: 24px; right: 24px; z-index: 999;
  padding: 14px 20px; border-radius: var(--radius);
  background: var(--blue); color: white;
  font-size: .88rem; font-weight: 600;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  transform: translateY(80px); opacity: 0;
  transition: all .35s ease; pointer-events: none;
  display: flex; align-items: center; gap: 8px;
}
.notification.show    { transform: translateY(0); opacity: 1; }
.notification.success { background: #1a7a50; }
.notification.error   { background: #7a1a1a; }
.notification i       { font-size: 1rem; flex-shrink: 0; }

/* =====================================================
   RESPONSIVE — 960px
   ===================================================== */
@media (max-width: 960px) {
  .about-grid   { grid-template-columns: 1fr; gap: 3rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .ia-content   { grid-template-columns: 1fr; gap: 2rem; }
  .about-badge  { bottom: 12px; right: 12px; }
}

/* =====================================================
   RESPONSIVE — 640px
   ===================================================== */
@media (max-width: 640px) {
  section { padding: 60px 5%; }

  .nav-links  { display: none; }
  .nav-toggle { display: flex; }

  .hero-stats    { gap: 1.5rem; flex-wrap: wrap; }
  .form-row      { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .modal-images  { grid-template-columns: 1fr 1fr; }
  .skills-grid   { grid-template-columns: 1fr; }

  .btn-primary,
  .btn-outline   { padding: 12px 24px; font-size: .85rem; }

  .ia-visual     { display: none; }
}

/* Nav mobile aberto */
@media (max-width: 640px) {
  .nav-links.nav-open {
    display: flex !important;
    flex-direction: column;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: rgba(0,0,0,0.97);
    padding: 1.5rem 5%;
    border-bottom: 1px solid rgba(50,128,184,0.2);
    gap: 1.2rem;
    z-index: 99;
  }
}

/* =====================================================
   IA VISUAL — BLOCO ÚNICO DEFINITIVO
   ===================================================== */

.ia-visual {
  position: relative;
  width: 100%;
  max-width: 600px;
  aspect-ratio: 1;
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #060e18 0%, #04090f 100%);
  isolation: isolate;
}

/* Borda cônica girando */
.ia-visual::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 19px;
  background: conic-gradient(
    from 0deg,
    transparent           0deg,
    transparent           60deg,
    rgba(50,128,184,0.9)  120deg,
    rgba(74,159,212,1)    180deg,
    rgba(50,128,184,0.9)  240deg,
    transparent           300deg,
    transparent           360deg
  );
  animation: ia-border-spin 4s linear infinite;
  z-index: -1;
}

/* Tampa interna */
.ia-visual::after {
  content: '';
  position: absolute;
  inset: 2px;
  border-radius: 15px;
  background: linear-gradient(135deg, #060e18 0%, #04090f 100%);
  z-index: 0;
}

@keyframes ia-border-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* Todos os filhos ficam acima do ::after */
.ia-visual > * {
  position: relative;
  z-index: 1;
}

/* ── Container ─────────────────────────────────────── */
.ai-star-container {
  position: relative;
  width: 300px;
  height: 300px;
  flex-shrink: 0;
}

/* ── Estrela ───────────────────────────────────────── */
.ai-star {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120px;
  height: 120px;
  z-index: 5;
  cursor: pointer;
  animation: starPulse 4s ease-in-out infinite;
}

@keyframes starPulse {
  0%,100% { filter: drop-shadow(0 0 8px  rgba(50,128,184,0.6)); }
  50%      { filter: drop-shadow(0 0 22px rgba(74,159,212,1));   }
}

/* ── Núcleo ────────────────────────────────────────── */
.star-core {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 40%,
    rgba(74,159,212,0.35),
    rgba(30,90,138,0.7)
  );
  box-shadow:
    0 0 25px rgba(50,128,184,0.7),
    0 0 55px rgba(50,128,184,0.35),
    inset 0 0 15px rgba(74,159,212,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.ai-label {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 8px;
  border-radius: 50%;
  overflow: hidden;
}

.ai-label img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: brightness(1.1) drop-shadow(0 0 6px rgba(74,159,212,0.9));
}

/* ── Raios ─────────────────────────────────────────── */
.star-ray {
  position: absolute;
  top: 50%;
  left: 50%;
  height: 3px;
  width: 90px;
  background: linear-gradient(90deg,
    rgba(50,128,184,0.9),
    rgba(74,159,212,0.5),
    transparent
  );
  border-radius: 2px;
  transform-origin: 0 50%;
}

.ray-1 { transform: translate(0,-50%) rotate(0deg);   animation: rayPulse 3s ease-in-out infinite 0s;     }
.ray-2 { transform: translate(0,-50%) rotate(45deg);  animation: rayPulse 3s ease-in-out infinite 0.375s; }
.ray-3 { transform: translate(0,-50%) rotate(90deg);  animation: rayPulse 3s ease-in-out infinite 0.75s;  }
.ray-4 { transform: translate(0,-50%) rotate(135deg); animation: rayPulse 3s ease-in-out infinite 1.125s; }
.ray-5 { transform: translate(0,-50%) rotate(180deg); animation: rayPulse 3s ease-in-out infinite 1.5s;   }
.ray-6 { transform: translate(0,-50%) rotate(225deg); animation: rayPulse 3s ease-in-out infinite 1.875s; }
.ray-7 { transform: translate(0,-50%) rotate(270deg); animation: rayPulse 3s ease-in-out infinite 2.25s;  }
.ray-8 { transform: translate(0,-50%) rotate(315deg); animation: rayPulse 3s ease-in-out infinite 2.625s; }

@keyframes rayPulse {
  0%,100% { opacity: 0.4; width: 80px;  }
  50%      { opacity: 1;   width: 105px; }
}

/* ── Anéis ─────────────────────────────────────────── */
.ai-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.ring-1 {
  width: 150px;
  height: 150px;
  border: 1.5px solid rgba(50,128,184,0.4);
  animation: ringPulse 3s ease-in-out infinite;
}
.ring-2 {
  width: 205px;
  height: 205px;
  border: 1px dashed rgba(50,128,184,0.25);
  animation: ringPulse 4.5s ease-in-out infinite 0.5s;
}
.ring-3 {
  width: 265px;
  height: 265px;
  border: 1px solid rgba(50,128,184,0.12);
  animation: ringPulse 6s ease-in-out infinite 1s;
}

@keyframes ringPulse {
  0%,100% { opacity: 0.4; transform: translate(-50%,-50%) scale(1);    }
  50%      { opacity: 0.9; transform: translate(-50%,-50%) scale(1.04); }
}

/* ── Partículas ────────────────────────────────────── */
.ai-particle {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  box-shadow: 0 0 8px 2px rgba(74,159,212,0.8);
}

.particle-1 {
  width: 7px; height: 7px;
  background: #4a9fd4;
  animation: orbit1 6s linear infinite;
}
.particle-2 {
  width: 5px; height: 5px;
  background: #3280b8;
  animation: orbit2 9s linear infinite;
}
.particle-3 {
  width: 6px; height: 6px;
  background: rgba(74,159,212,0.8);
  animation: orbit3 7s linear infinite reverse;
}
.particle-4 {
  width: 4px; height: 4px;
  background: #6ab8e8;
  animation: orbit4 11s linear infinite;
}

@keyframes orbit1 {
  from { transform: translate(-50%,-50%) rotate(0deg)   translateX(75px)  rotate(0deg);    }
  to   { transform: translate(-50%,-50%) rotate(360deg) translateX(75px)  rotate(-360deg); }
}
@keyframes orbit2 {
  from { transform: translate(-50%,-50%) rotate(90deg)  translateX(102px) rotate(-90deg);  }
  to   { transform: translate(-50%,-50%) rotate(450deg) translateX(102px) rotate(-450deg); }
}
@keyframes orbit3 {
  from { transform: translate(-50%,-50%) rotate(180deg) translateX(120px) rotate(-180deg); }
  to   { transform: translate(-50%,-50%) rotate(540deg) translateX(120px) rotate(-540deg); }
}
@keyframes orbit4 {
  from { transform: translate(-50%,-50%) rotate(270deg) translateX(132px) rotate(-270deg); }
  to   { transform: translate(-50%,-50%) rotate(630deg) translateX(132px) rotate(-630deg); }
}

/* ── Scanner ───────────────────────────────────────── */
.ai-scan-line {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg,
    transparent,
    rgba(50,128,184,0.8),
    rgba(74,159,212,1),
    rgba(50,128,184,0.8),
    transparent
  );
  box-shadow: 0 0 12px rgba(74,159,212,0.8);
  animation: scanLine 3.5s linear infinite;
  opacity: 0;
  z-index: 4;
}

@keyframes scanLine {
  0%   { top: 0%;   opacity: 0; }
  5%   { opacity: 1; }
  95%  { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}

/* ── Status ────────────────────────────────────────── */
.ia-status {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,0,0,0.65);
  border: 1px solid rgba(50,128,184,0.3);
  border-radius: 20px;
  padding: 5px 16px;
  z-index: 10;
  white-space: nowrap;
  backdrop-filter: blur(6px);
}

.ia-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue-lt);
  flex-shrink: 0;
  animation: statusDot 1.2s ease-in-out infinite;
}

@keyframes statusDot {
  0%,100% { opacity: 1;  transform: scale(1);   }
  50%      { opacity: .3; transform: scale(1.5); }
}

.ia-status-text {
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--blue-lt);
  font-family: 'Courier New', monospace;
  min-width: 145px;
}

/* ── Responsivo ────────────────────────────────────── */
@media (max-width: 960px) {
  .ia-content        { grid-template-columns: 1fr; gap: 3rem; }
  .ia-visual         { max-width: 380px; margin: 0 auto; }
}

@media (max-width: 640px) {
  .ia-visual         { max-width: 300px; }
  .ai-star-container { width: 240px; height: 240px; }
  .ai-star           { width: 90px;  height: 90px;  }
  .star-core         { width: 60px;  height: 60px;  }
  .star-ray          { width: 70px; }
  .ring-1            { width: 115px; height: 115px; }
  .ring-2            { width: 158px; height: 158px; }
  .ring-3            { width: 210px; height: 210px; }
  .ia-status-text    { min-width: 110px; font-size: .62rem; }
}

/* ── Acessibilidade ────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .ai-star, .star-ray, .ai-ring,
  .ai-particle, .ai-scan-line,
  .ia-visual::before, .ia-status-dot {
    animation: none !important;
  }
  .ia-visual::before {
    background: rgba(50,128,184,0.25);
  }
  .ai-ring { opacity: 0.2; }
}