/* ═══════════════════════════════════════════════════════════════
   VICENTE BRITO — Identidade Visual
   vicentebrito.eti.br

   Para alterar cores, fontes ou espaçamentos globais,
   edite apenas este arquivo.
═══════════════════════════════════════════════════════════════ */

/* ───────────────────────────────────────────────────────────────
   VARIÁVEIS — edite aqui para mudar a identidade visual
─────────────────────────────────────────────────────────────── */
:root {
    /* Cores de fundo */
    --bg:   #010810;   /* fundo principal */
    --bg2:  #040d1a;   /* fundo secundário (seções alternadas) */
    --card: #071224;   /* fundo de cards */
    --bdr:  #0d2040;   /* bordas */

    /* Cores de destaque */
    --cyan: #00f0ff;   /* cor primária (ciano) */
    --purp: #7c3aed;   /* cor secundária (roxo) */
    --grn:  #00ff88;   /* cor de sucesso (verde) */

    /* Tipografia */
    --text:  #d0e8ff;  /* texto principal */
    --muted: #3d607a;  /* texto secundário */

    /* Fontes */
    --fh: 'Orbitron', monospace;        /* headings / títulos */
    --fb: 'Space Grotesk', sans-serif;  /* body / texto corrido */
    --fm: 'JetBrains Mono', monospace;  /* labels / código / monospace */
}

/* ───────────────────────────────────────────────────────────────
   TEMA CLARO
─────────────────────────────────────────────────────────────── */
body.light {
    --bg:   #f0f6ff;
    --bg2:  #e2eef8;
    --card: #ffffff;
    --bdr:  #c0d4e8;
    --cyan: #0077aa;
    --purp: #6d28d9;
    --grn:  #007a42;
    --text: #0d1b2a;
    --muted: #4a6080;
}
body.light nav.scrolled,
body.light nav.solid {
    background: rgba(240,246,255,.97);
    border-bottom-color: rgba(0,119,170,.15);
    box-shadow: 0 4px 40px rgba(0,0,0,.1);
}
body.light #hero::after {
    background: radial-gradient(ellipse at center, transparent 35%, rgba(240,246,255,.55) 100%);
}

/* Botão de alternância de tema */
.theme-toggle {
    background: none; border: 1px solid var(--bdr); border-radius: 3px;
    color: var(--muted); cursor: pointer; font-size: .85rem;
    width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
    transition: all .2s; flex-shrink: 0;
}
.theme-toggle:hover { border-color: var(--cyan); color: var(--cyan); box-shadow: 0 0 10px rgba(0,240,255,.2); }

/* ───────────────────────────────────────────────────────────────
   RESET
─────────────────────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--fb);
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
}

/* ───────────────────────────────────────────────────────────────
   SCROLLBAR & SELEÇÃO
─────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--purp); border-radius: 2px; }
::selection { background: rgba(0,240,255,.15); color: var(--cyan); }

/* ───────────────────────────────────────────────────────────────
   SCANLINES (efeito de tela)
─────────────────────────────────────────────────────────────── */
body::after {
    content: ''; position: fixed; inset: 0;
    background: repeating-linear-gradient(
        0deg, transparent, transparent 2px,
        rgba(0,0,0,.022) 2px, rgba(0,0,0,.022) 4px
    );
    pointer-events: none; z-index: 9998;
}

/* ───────────────────────────────────────────────────────────────
   NAV — página principal
─────────────────────────────────────────────────────────────── */
nav {
    position: fixed; top: 0; width: 100%; z-index: 1000;
    padding: 1.1rem 0; transition: all .4s;
}
nav.scrolled {
    background: rgba(1,8,16,.96);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,240,255,.08);
    box-shadow: 0 4px 40px rgba(0,0,0,.6);
    padding: .7rem 0;
}

/* NAV — páginas de detalhe (sempre visível) */
nav.solid {
    background: rgba(1,8,16,.96);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,240,255,.08);
    padding: .8rem 0;
}

.nav-inner {
    max-width: 1140px; margin: 0 auto; padding: 0 2rem;
    display: flex; justify-content: space-between; align-items: center;
}
.nav-logo {
    font-family: var(--fm); font-size: .82rem; font-weight: 700;
    color: var(--cyan); letter-spacing: .06em; text-decoration: none;
    text-shadow: 0 0 20px rgba(0,240,255,.45);
    white-space: nowrap;
}
.nav-links { display: flex; gap: 2.25rem; list-style: none; }
.nav-links a {
    font-family: var(--fm); font-size: .72rem; letter-spacing: .12em;
    text-transform: uppercase; color: var(--muted); text-decoration: none;
    transition: color .2s; position: relative;
}
.nav-links a::after {
    content: ''; position: absolute; bottom: -4px; left: 0;
    width: 0; height: 1px; background: var(--cyan);
    box-shadow: 0 0 6px var(--cyan); transition: width .3s;
}
.nav-links a:hover { color: var(--cyan); }
.nav-links a:hover::after { width: 100%; }
.nav-toggle {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer;
}
.nav-toggle span {
    display: block; width: 22px; height: 1.5px;
    background: var(--cyan); box-shadow: 0 0 6px var(--cyan); transition: all .3s;
}

/* Link de currículo no nav — destaque sutil */
.nav-cv-link {
    border: 1px solid rgba(0,240,255,.25) !important;
    border-radius: 3px;
    padding: .2rem .65rem !important;
    color: var(--cyan) !important;
}
.nav-cv-link:hover { background: rgba(0,240,255,.07); }
.nav-cv-link::after { display: none !important; }

/* Botão "Voltar" — páginas de detalhe */
.nav-back {
    font-family: var(--fm); font-size: .72rem; letter-spacing: .1em;
    text-transform: uppercase; color: var(--muted); text-decoration: none;
    display: flex; align-items: center; gap: .5rem; transition: color .2s;
}
.nav-back:hover { color: var(--cyan); }

/* ───────────────────────────────────────────────────────────────
   HERO — página principal
─────────────────────────────────────────────────────────────── */
#hero {
    position: relative; min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    text-align: center; padding: 2rem; overflow: hidden;
}
#neuralCanvas { position: absolute; inset: 0; z-index: 0; }
#hero::after {
    content: ''; position: absolute; inset: 0; z-index: 1;
    background: radial-gradient(ellipse at center, transparent 35%, rgba(1,8,16,.72) 100%);
    pointer-events: none;
}
.hero-content { position: relative; z-index: 2; }

.hero-label {
    font-family: var(--fm); font-size: .72rem;
    letter-spacing: .22em; text-transform: uppercase;
    color: var(--cyan); margin-bottom: 1.5rem;
    display: flex; align-items: center; justify-content: center; gap: 1rem;
}
.hero-label::before, .hero-label::after {
    content: ''; flex: 1; max-width: 50px; height: 1px;
    background: var(--cyan); opacity: .4; box-shadow: 0 0 6px var(--cyan);
}
.hero-name {
    font-family: var(--fh);
    font-size: clamp(2.4rem, 7vw, 5.5rem);
    font-weight: 900; line-height: 1;
    color: var(--cyan); margin-bottom: 1.25rem;
    letter-spacing: .04em; position: relative; display: inline-block;
    text-shadow: 0 0 10px rgba(0,240,255,.9), 0 0 40px rgba(0,240,255,.45), 0 0 80px rgba(0,240,255,.2);
    animation: flicker 10s infinite;
}
@keyframes flicker { 0%,95%,97%,100% { opacity:1; } 96% { opacity:.82; } }

/* Efeito glitch */
.glitch { position: relative; display: inline-block; }
.glitch::before, .glitch::after {
    content: attr(data-text); position: absolute; top: 0; left: 0;
    width: 100%; height: 100%; font-family: var(--fh); font-weight: 900; font-size: inherit;
}
.glitch::before {
    color: #ff00cc; animation: gb 7s infinite;
    clip-path: polygon(0 22%, 100% 22%, 100% 42%, 0 42%);
}
.glitch::after {
    color: #00f0ff; animation: ga 7s infinite;
    clip-path: polygon(0 62%, 100% 62%, 100% 78%, 0 78%);
}
@keyframes gb {
    0%,90%,100% { transform:translate(0); opacity:0; }
    92% { transform:translate(-3px,1px); opacity:.65; }
    94% { transform:translate(2px,-1px); opacity:.45; }
    96% { transform:translate(0); opacity:0; }
}
@keyframes ga {
    0%,87%,100% { transform:translate(0); opacity:0; }
    89% { transform:translate(3px,-2px); opacity:.55; }
    92% { transform:translate(-2px,1px); opacity:.75; }
    94% { transform:translate(0); opacity:0; }
}

.hero-role {
    font-family: var(--fm); font-size: clamp(.82rem,2vw,1.12rem);
    color: var(--muted); margin-bottom: 3rem; letter-spacing: .04em; min-height: 1.8em;
}
.typed-text { color: #6ab0d0; }
.cursor {
    display: inline-block; width: 2px; height: 1em;
    background: var(--cyan); margin-left: 2px; vertical-align: middle;
    box-shadow: 0 0 8px var(--cyan); animation: blink .75s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.hero-btns {
    display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-bottom: 3rem;
}
.hero-socials { display: flex; gap: 1rem; justify-content: center; }
.hero-socials a {
    width: 40px; height: 40px; border: 1px solid var(--bdr); border-radius: 3px;
    display: flex; align-items: center; justify-content: center;
    color: var(--muted); font-size: .95rem; text-decoration: none; transition: all .25s;
}
.hero-socials a:hover {
    border-color: var(--cyan); color: var(--cyan);
    box-shadow: 0 0 18px rgba(0,240,255,.25); transform: translateY(-3px);
}

.scroll-hint {
    position: absolute; bottom: 2rem; left: 50%;
    transform: translateX(-50%); z-index: 2;
    display: flex; flex-direction: column; align-items: center; gap: .5rem;
}
.scroll-hint span {
    font-family: var(--fm); font-size: .6rem;
    letter-spacing: .18em; color: var(--muted); text-transform: uppercase;
}
.scroll-line {
    width: 1px; height: 45px;
    background: linear-gradient(to bottom, var(--cyan), transparent);
    animation: scrollAnim 2s ease-in-out infinite;
}
@keyframes scrollAnim {
    0%  { transform:scaleY(0); transform-origin:top; }
    49% { transform:scaleY(1); transform-origin:top; }
    50% { transform:scaleY(1); transform-origin:bottom; }
    100%{ transform:scaleY(0); transform-origin:bottom; }
}

/* ───────────────────────────────────────────────────────────────
   HERO — páginas de detalhe
─────────────────────────────────────────────────────────────── */
.page-hero {
    padding: 9rem 2rem 5rem; background: var(--bg2);
    position: relative; overflow: hidden; text-align: center;
}
.page-hero::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(0,240,255,.07) 0%, transparent 65%);
}
.page-hero::after {
    content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,240,255,.2), transparent);
}
.page-label {
    font-family: var(--fm); font-size: .7rem; letter-spacing: .22em; text-transform: uppercase;
    color: var(--cyan); margin-bottom: 1rem;
    display: flex; align-items: center; justify-content: center; gap: 1rem; opacity: .8;
}
.page-label::before, .page-label::after {
    content: ''; flex: 1; max-width: 40px; height: 1px; background: var(--cyan); opacity: .4;
}
.page-title {
    font-family: var(--fh); font-size: clamp(2rem,5vw,3.5rem); font-weight: 900;
    color: var(--cyan); letter-spacing: .06em;
    text-shadow: 0 0 10px rgba(0,240,255,.8), 0 0 40px rgba(0,240,255,.35);
}
.page-sub {
    margin-top: .75rem; font-family: var(--fm); font-size: .88rem;
    color: var(--muted); letter-spacing: .04em;
}

/* ───────────────────────────────────────────────────────────────
   BOTÕES
─────────────────────────────────────────────────────────────── */
.btn {
    padding: .7rem 1.9rem; border-radius: 3px;
    font-family: var(--fm); font-size: .74rem; font-weight: 500;
    letter-spacing: .12em; text-transform: uppercase;
    text-decoration: none; border: none; cursor: pointer;
    transition: all .25s; position: relative; overflow: hidden; display: inline-block;
}
.btn::before {
    content: ''; position: absolute; inset: 0;
    background: rgba(255,255,255,.04); transform: translateX(-100%); transition: transform .3s;
}
.btn:hover::before { transform: translateX(0); }
.btn-primary {
    color: var(--cyan); border: 1px solid var(--cyan); background: rgba(0,240,255,.04);
    box-shadow: 0 0 14px rgba(0,240,255,.15), inset 0 0 14px rgba(0,240,255,.03);
}
.btn-primary:hover {
    background: rgba(0,240,255,.1);
    box-shadow: 0 0 28px rgba(0,240,255,.35), inset 0 0 20px rgba(0,240,255,.07);
    transform: translateY(-2px);
}
.btn-ghost {
    color: var(--muted); border: 1px solid var(--bdr); background: transparent;
}
.btn-ghost:hover { color: var(--cyan); border-color: rgba(0,240,255,.3); transform: translateY(-2px); }

/* ───────────────────────────────────────────────────────────────
   SECTIONS — comum a todas as páginas
─────────────────────────────────────────────────────────────── */
section { padding: 7rem 2rem; position: relative; }
.container { max-width: 1140px; margin: 0 auto; }

/* Cabeçalho de seção — index.html */
.sec-head { text-align: center; margin-bottom: 4rem; }
.sec-tag {
    display: block; font-family: var(--fm); font-size: .68rem;
    letter-spacing: .22em; text-transform: uppercase; color: var(--cyan);
    margin-bottom: .7rem; opacity: .8;
}
.sec-title {
    font-family: var(--fh); font-size: clamp(1.4rem,3vw,2rem);
    font-weight: 700; color: var(--text); letter-spacing: .04em;
}
.sec-line {
    width: 60px; height: 1px; margin: 1rem auto 0;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    box-shadow: 0 0 10px var(--cyan);
}

/* Cabeçalho de seção — páginas de detalhe */
.sec-label {
    display: block; font-family: var(--fm); font-size: .68rem;
    letter-spacing: .2em; text-transform: uppercase; color: var(--cyan);
    margin-bottom: .6rem; opacity: .8;
}
.sec-title-detail {
    font-family: var(--fh); font-size: clamp(1.2rem,2.5vw,1.6rem);
    font-weight: 700; color: var(--text); letter-spacing: .04em; margin-bottom: 2.5rem;
}

.section-glow::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,240,255,.18), transparent);
}
.sec-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,240,255,.1), transparent);
    margin: 0 2rem;
}

/* Ajuste de padding para seções de detalhe */
.detail-section { padding: 5rem 2rem; }

/* ───────────────────────────────────────────────────────────────
   TAG (label de tecnologia)
─────────────────────────────────────────────────────────────── */
.tag {
    font-family: var(--fm); font-size: .67rem; padding: .2rem .7rem;
    border: 1px solid rgba(0,240,255,.18); border-radius: 2px;
    color: var(--cyan); background: rgba(0,240,255,.04); letter-spacing: .04em;
}
.tag-row, .proj-tags { display: flex; flex-wrap: wrap; gap: .45rem; }

/* ───────────────────────────────────────────────────────────────
   FEAT LIST (lista de funcionalidades — páginas de detalhe)
─────────────────────────────────────────────────────────────── */
.feat-list { display: flex; flex-direction: column; gap: .5rem; margin-bottom: 1.25rem; }
.feat-item { display: flex; align-items: flex-start; gap: .6rem; font-size: .85rem; color: #5a80a0; }
.feat-item::before { content: '▸'; color: var(--cyan); font-size: .75rem; margin-top: .15rem; flex-shrink: 0; }

/* ───────────────────────────────────────────────────────────────
   CARD BASE — padrão compartilhado por todos os cards de detalhe
─────────────────────────────────────────────────────────────── */
.detail-card {
    background: var(--bg2); border: 1px solid var(--bdr); border-radius: 10px;
    padding: 2rem; transition: all .3s; position: relative; overflow: hidden;
}
.detail-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, var(--purp), var(--cyan));
    transform: scaleX(0); transform-origin: left; transition: transform .4s;
}
.detail-card:hover::before { transform: scaleX(1); }
.detail-card:hover {
    border-color: rgba(0,240,255,.2); transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(0,240,255,.08);
}
.card-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.25rem; }
.card-ico { font-size: 2.2rem; }
.card-name { font-family: var(--fh); font-size: 1rem; font-weight: 700; color: var(--cyan); letter-spacing: .06em; }
.card-category { font-family: var(--fm); font-size: .67rem; color: var(--purp); letter-spacing: .08em; text-transform: uppercase; }
.card-desc-text { color: var(--muted); font-size: .9rem; line-height: 1.8; margin-bottom: 1.25rem; }

/* ───────────────────────────────────────────────────────────────
   SEÇÃO: SOBRE
─────────────────────────────────────────────────────────────── */
#sobre { background: var(--bg2); }
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 5rem; align-items: center; }
.about-text::before {
    content: '// sobre.md'; display: block;
    font-family: var(--fm); font-size: .72rem; color: var(--muted);
    margin-bottom: 1.5rem; opacity: .45;
}
.about-text p { color: #5a80a0; margin-bottom: 1rem; font-size: 1rem; line-height: 1.85; }
.about-text p strong { color: var(--text); font-weight: 600; }
.hl { color: var(--cyan); font-family: var(--fm); font-size: .9em; }

.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.stat-box {
    border: 1px solid var(--bdr); border-radius: 5px; padding: 1.5rem 1rem;
    text-align: center; background: rgba(0,240,255,.014);
    position: relative; overflow: hidden; transition: all .3s; cursor: default;
}
.stat-box::before {
    content: ''; position: absolute; top:0; left:0; right:0; height:1px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    opacity: 0; transition: opacity .3s;
}
.stat-box:hover::before { opacity: 1; }
.stat-box:hover { border-color: rgba(0,240,255,.2); box-shadow: 0 0 25px rgba(0,240,255,.06); transform: translateY(-2px); }
.stat-num {
    font-family: var(--fh); font-size: 1.85rem; font-weight: 700;
    color: var(--cyan); text-shadow: 0 0 20px rgba(0,240,255,.4);
}
.stat-lbl {
    font-family: var(--fm); font-size: .67rem; color: var(--muted);
    text-transform: uppercase; letter-spacing: .08em; margin-top: .3rem;
}

/* ───────────────────────────────────────────────────────────────
   SEÇÃO: HABILIDADES
─────────────────────────────────────────────────────────────── */
#habilidades { background: var(--bg); }
.skill-cats {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 1.25rem;
}
.skill-cat {
    background: var(--bg2); border: 1px solid var(--bdr); border-radius: 8px;
    padding: 2rem 1.5rem; text-decoration: none; color: inherit;
    transition: all .35s; position: relative; overflow: hidden;
    display: flex; flex-direction: column; gap: .75rem;
}
.skill-cat::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, var(--purp), var(--cyan));
    transform: scaleX(0); transform-origin: left; transition: transform .4s;
}
.skill-cat:hover::before { transform: scaleX(1); }
.skill-cat:hover { border-color: rgba(0,240,255,.25); box-shadow: 0 8px 32px rgba(0,240,255,.08); transform: translateY(-4px); }
.cat-ico { font-size: 2.2rem; }
.cat-name {
    font-family: var(--fh); font-size: .8rem; font-weight: 700;
    color: var(--text); letter-spacing: .06em; transition: color .25s;
}
.skill-cat:hover .cat-name { color: var(--cyan); text-shadow: 0 0 10px rgba(0,240,255,.4); }
.cat-tools { font-family: var(--fm); font-size: .7rem; color: var(--muted); line-height: 1.75; }
.cat-link {
    margin-top: auto; padding-top: .75rem;
    font-family: var(--fm); font-size: .68rem; color: var(--cyan);
    letter-spacing: .1em; text-transform: uppercase;
    display: flex; align-items: center; gap: .4rem; border-top: 1px solid var(--bdr);
}
.cat-arrow { transition: transform .2s; }
.skill-cat:hover .cat-arrow { transform: translateX(5px); }

/* ───────────────────────────────────────────────────────────────
   SEÇÃO: CONTEÚDO (vídeos + artigos)
─────────────────────────────────────────────────────────────── */
#conteudo { background: var(--bg2); }
.content-tabs { display: flex; gap: .75rem; justify-content: center; margin-bottom: 3rem; flex-wrap: wrap; }
.tab-btn {
    font-family: var(--fm); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase;
    padding: .45rem 1.4rem; border: 1px solid var(--bdr); border-radius: 3px;
    background: transparent; color: var(--muted); cursor: pointer; transition: all .25s;
}
.tab-btn.active, .tab-btn:hover { border-color: var(--cyan); color: var(--cyan); background: rgba(0,240,255,.04); }
.content-panel { display: none; }
.content-panel.active { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.25rem; }
.content-card {
    background: var(--card); border: 1px solid var(--bdr); border-radius: 8px;
    overflow: hidden; transition: all .3s; text-decoration: none; color: inherit; display: block;
}
.content-card:hover { border-color: rgba(0,240,255,.2); transform: translateY(-3px); box-shadow: 0 8px 28px rgba(0,240,255,.07); }
.card-thumb {
    width: 100%; aspect-ratio: 16/9; background: var(--bg);
    position: relative; display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.card-thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb-overlay {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    background: rgba(1,8,16,.45); opacity: 0; transition: opacity .3s;
}
.content-card:hover .thumb-overlay { opacity: 1; }
.play-btn {
    width: 52px; height: 52px; border: 2px solid var(--cyan); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--cyan); font-size: 1.15rem; box-shadow: 0 0 20px rgba(0,240,255,.3);
}
.thumb-placeholder { display: flex; flex-direction: column; align-items: center; gap: .6rem; }
.thumb-placeholder .play-btn { opacity: .5; }
.thumb-placeholder span { font-family: var(--fm); font-size: .65rem; color: var(--muted); letter-spacing: .1em; }
.card-body { padding: 1.25rem; }
.card-type {
    font-family: var(--fm); font-size: .64rem; letter-spacing: .12em;
    text-transform: uppercase; color: var(--purp); margin-bottom: .45rem;
}
.card-title {
    font-family: var(--fh); font-size: .8rem; font-weight: 600;
    color: var(--text); margin-bottom: .45rem; letter-spacing: .02em; line-height: 1.4;
}
.card-desc { font-size: .82rem; color: var(--muted); line-height: 1.6; }
.empty-state { grid-column: 1 / -1; text-align: center; padding: 4rem 2rem; border: 1px dashed var(--bdr); border-radius: 8px; }
.empty-state .es-icon { font-size: 2.5rem; opacity: .3; margin-bottom: .75rem; }
.empty-state p { font-family: var(--fm); font-size: .75rem; color: var(--muted); letter-spacing: .05em; }

/* ───────────────────────────────────────────────────────────────
   SEÇÃO: PROJETOS
─────────────────────────────────────────────────────────────── */
#projetos { background: var(--bg2); }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px,1fr)); gap: 1.5rem; }
.proj-card {
    background: var(--card); border: 1px solid var(--bdr);
    border-radius: 6px; padding: 2rem; transition: all .35s; position: relative; overflow: hidden;
}
.proj-card::before {
    content: ''; position: absolute; top:0; left:-100%; width:100%; height:1px;
    background: linear-gradient(90deg, transparent, var(--cyan)); transition: left .5s;
}
.proj-card::after {
    content: ''; position: absolute; bottom:0; right:-100%; width:100%; height:1px;
    background: linear-gradient(90deg, var(--purp), transparent); transition: right .5s;
}
.proj-card:hover::before { left: 100%; }
.proj-card:hover::after  { right: 100%; }
.proj-card:hover { border-color: rgba(0,240,255,.18); box-shadow: 0 8px 40px rgba(0,240,255,.07); transform: translateY(-4px); }
.proj-num { font-family: var(--fm); font-size: .67rem; color: var(--purp); letter-spacing: .15em; margin-bottom: 1rem; }
.proj-title { font-family: var(--fh); font-size: .92rem; font-weight: 600; color: var(--text); margin-bottom: .75rem; letter-spacing: .03em; }
.proj-desc { color: var(--muted); font-size: .88rem; line-height: 1.75; margin-bottom: 1.25rem; }

/* ───────────────────────────────────────────────────────────────
   SEÇÃO: EXPERIÊNCIA
─────────────────────────────────────────────────────────────── */
#experiencia { background: var(--bg); }
.timeline { max-width: 680px; margin: 0 auto; position: relative; padding-left: .5rem; }
.timeline::before {
    content: ''; position: absolute; left: 0; top: 8px; bottom: 0; width: 1px;
    background: linear-gradient(to bottom, var(--cyan), var(--purp), transparent);
    box-shadow: 0 0 8px rgba(0,240,255,.2);
}
.tl-item { position: relative; padding: 0 0 3rem 2.5rem; }
.tl-dot {
    position: absolute; left: -4px; top: 2px; width: 9px; height: 9px;
    border-radius: 50%; background: var(--cyan);
    box-shadow: 0 0 10px var(--cyan), 0 0 22px rgba(0,240,255,.35);
    animation: dotPulse 3s ease-in-out infinite;
}
.tl-item:last-child .tl-dot { background: var(--purp); box-shadow: 0 0 10px var(--purp); animation: none; }
@keyframes dotPulse {
    0%,100% { box-shadow:0 0 8px var(--cyan),0 0 18px rgba(0,240,255,.3); }
    50%      { box-shadow:0 0 16px var(--cyan),0 0 32px rgba(0,240,255,.5); }
}
.tl-date { font-family: var(--fm); font-size: .67rem; color: var(--cyan); letter-spacing: .12em; text-transform: uppercase; margin-bottom: .45rem; }
.tl-title { font-family: var(--fh); font-size: .92rem; font-weight: 600; color: var(--text); margin-bottom: .25rem; letter-spacing: .03em; }
.tl-company { font-family: var(--fm); font-size: .78rem; color: var(--purp); margin-bottom: .65rem; }
.tl-desc { color: var(--muted); font-size: .88rem; line-height: 1.75; }

/* ───────────────────────────────────────────────────────────────
   SEÇÃO: CONTATO
─────────────────────────────────────────────────────────────── */
#contato { background: var(--bg2); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 5rem; align-items: start; }
.contact-info h3 { font-family: var(--fh); font-size: 1.05rem; font-weight: 600; color: var(--text); margin-bottom: 1rem; letter-spacing: .05em; }
.contact-info p { color: var(--muted); font-size: .9rem; line-height: 1.75; margin-bottom: 2rem; }
.c-links { display: flex; flex-direction: column; gap: .75rem; }
.c-link {
    display: flex; align-items: center; gap: .75rem;
    color: var(--muted); text-decoration: none; font-size: .84rem;
    font-family: var(--fm); letter-spacing: .03em;
    padding: .55rem .85rem; border: 1px solid transparent; border-radius: 4px; transition: all .25s;
}
.c-link:hover { color: var(--cyan); border-color: rgba(0,240,255,.15); background: rgba(0,240,255,.03); }
.c-link i { color: var(--cyan); width: 16px; font-size: .9rem; }

.contact-form {
    border: 1px solid var(--bdr); border-radius: 6px; padding: 2rem;
    background: rgba(0,240,255,.013); position: relative;
}
.contact-form::before {
    content: ''; position: absolute; top:0; left:0; right:0; height:1px;
    background: linear-gradient(90deg, var(--purp), var(--cyan));
}
.form-tag { font-family: var(--fm); font-size: .67rem; letter-spacing: .16em; color: var(--muted); text-transform: uppercase; margin-bottom: 1.5rem; }
.fg { display: flex; flex-direction: column; gap: .4rem; margin-bottom: 1rem; }
.fg label { font-family: var(--fm); font-size: .67rem; color: var(--muted); letter-spacing: .1em; text-transform: uppercase; }
.fg input, .fg textarea {
    background: rgba(0,240,255,.022); border: 1px solid var(--bdr); border-radius: 4px;
    padding: .7rem 1rem; color: var(--text); font-size: .9rem; font-family: var(--fb);
    outline: none; transition: all .25s;
}
.fg input:focus, .fg textarea:focus { border-color: var(--cyan); box-shadow: 0 0 14px rgba(0,240,255,.1); background: rgba(0,240,255,.04); }
.fg input::placeholder, .fg textarea::placeholder { color: var(--muted); font-size: .83rem; }
.fg textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-msg {
    font-family: var(--fm); font-size: .78rem; padding: .6rem 1rem;
    border-radius: 4px; margin-bottom: 1rem; display: none; letter-spacing: .03em;
}
.form-msg.ok  { display:block; background:rgba(0,255,136,.07); border:1px solid rgba(0,255,136,.2); color:var(--grn); }
.form-msg.err { display:block; background:rgba(255,60,60,.07);  border:1px solid rgba(255,60,60,.2);  color:#ff6060; }

/* ───────────────────────────────────────────────────────────────
   FOOTER
─────────────────────────────────────────────────────────────── */
footer {
    background: var(--bg); border-top: 1px solid var(--bdr);
    padding: 2.5rem 2rem; text-align: center; position: relative;
}
.footer-logo {
    font-family: var(--fh); font-size: .88rem; color: var(--cyan);
    letter-spacing: .14em; text-shadow: 0 0 12px rgba(0,240,255,.35); margin-bottom: .6rem;
}
.footer-copy { font-family: var(--fm); font-size: .67rem; color: var(--muted); letter-spacing: .06em; }
.footer-copy a { color: var(--cyan); text-decoration: none; }
.footer-ip { font-family: var(--fm); font-size: .58rem; color: var(--muted); letter-spacing: .08em; margin-top: .4rem; }
.build-version { font-family: var(--fm); font-size: .55rem; color: #010810; background: #010810; letter-spacing: .06em; user-select: text; position: absolute; bottom: 1rem; right: 1.5rem; margin: 0; }

/* ───────────────────────────────────────────────────────────────
   PÁGINAS DE DETALHE — grids e cards específicos
─────────────────────────────────────────────────────────────── */

/* Grid de 3-4 colunas para cards de detalhe */
.detail-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }

/* Aliases para retrocompatibilidade com as páginas existentes */
.equip-grid, .platform-grid, .tools-grid, .device-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }
.equip-card, .platform-card, .tool-card, .device-card {
    background: var(--bg2); border: 1px solid var(--bdr); border-radius: 10px;
    padding: 2rem; transition: all .3s; position: relative; overflow: hidden;
}
.equip-card::before, .platform-card::before, .tool-card::before, .device-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, var(--purp), var(--cyan));
    transform: scaleX(0); transform-origin: left; transition: transform .4s;
}
.equip-card:hover::before, .platform-card:hover::before,
.tool-card:hover::before, .device-card:hover::before { transform: scaleX(1); }
.equip-card:hover, .platform-card:hover, .tool-card:hover, .device-card:hover {
    border-color: rgba(0,240,255,.2); transform: translateY(-4px); box-shadow: 0 12px 36px rgba(0,240,255,.08);
}

/* Headers dos cards de detalhe */
.equip-header, .plat-header, .tool-header, .device-header {
    display: flex; align-items: center; gap: 1rem; margin-bottom: 1.25rem;
}
.equip-logo { font-family: var(--fh); font-size: 1rem; font-weight: 700; color: var(--cyan); margin-bottom: .75rem; letter-spacing: .06em; }
.plat-ico, .tool-ico, .device-ico { font-size: 2rem; }
.plat-name, .tool-name, .device-name { font-family: var(--fh); font-size: .95rem; font-weight: 700; color: var(--cyan); letter-spacing: .06em; }
.plat-type, .tool-category, .device-type { font-family: var(--fm); font-size: .67rem; color: var(--purp); letter-spacing: .08em; text-transform: uppercase; }
.plat-desc, .tool-desc, .device-desc, .equip-desc { color: var(--muted); font-size: .9rem; line-height: 1.8; margin-bottom: 1.25rem; }

/* Grids secundários — protocolos, conceitos, pilares, casos */
.proto-grid, .concepts-grid, .pillars-grid, .cases-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1rem; }
.proto-item, .concept-item, .pillar, .case-item {
    background: var(--card); border: 1px solid var(--bdr); border-radius: 6px;
    padding: 1.25rem 1.5rem; transition: border-color .25s;
}
.proto-item:hover, .concept-item:hover, .pillar:hover, .case-item:hover { border-color: rgba(0,240,255,.2); }
.proto-name, .concept-name, .pillar-name, .case-title { font-family: var(--fh); font-size: .78rem; font-weight: 700; color: var(--text); letter-spacing: .04em; margin-bottom: .4rem; }
.proto-full { font-family: var(--fm); font-size: .68rem; color: var(--purp); margin-bottom: .25rem; }
.proto-desc, .concept-desc, .pillar-desc, .case-desc { font-size: .84rem; color: var(--muted); line-height: 1.65; }
.pillar-ico, .case-ico { font-size: 1.6rem; margin-bottom: .6rem; }

/* Pipeline CI/CD (devops.html) */
.pipeline { display: flex; gap: 0; overflow-x: auto; padding-bottom: 1rem; }
.pipe-step {
    background: var(--bg2); border: 1px solid var(--bdr); border-radius: 6px;
    padding: 1.25rem 1rem; min-width: 160px; text-align: center;
    position: relative; flex: 1; transition: border-color .25s;
}
.pipe-step:not(:last-child)::after {
    content: '→'; position: absolute; right: -14px; top: 50%; transform: translateY(-50%);
    color: var(--cyan); font-size: 1.1rem; z-index: 1;
}
.pipe-step:not(:last-child) { margin-right: 24px; }
.pipe-step:hover { border-color: rgba(0,240,255,.25); }
.pipe-ico { font-size: 1.6rem; margin-bottom: .5rem; }
.pipe-name { font-family: var(--fh); font-size: .68rem; font-weight: 700; color: var(--text); letter-spacing: .04em; margin-bottom: .3rem; }
.pipe-tools { font-family: var(--fm); font-size: .65rem; color: var(--muted); }

/* Tabela comparativa (iot.html) */
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th {
    font-family: var(--fm); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase;
    color: var(--cyan); text-align: left; padding: .75rem 1rem;
    border-bottom: 1px solid var(--bdr); opacity: .8;
}
.spec-table td {
    font-size: .85rem; color: var(--muted); padding: .75rem 1rem;
    border-bottom: 1px solid rgba(13,32,64,.5); vertical-align: top;
}
.spec-table td:first-child { font-family: var(--fm); font-size: .78rem; color: var(--text); font-weight: 500; white-space: nowrap; }
.spec-table tr:hover td { background: rgba(0,240,255,.02); }

/* ───────────────────────────────────────────────────────────────
   ANIMAÇÕES DE ENTRADA (scroll reveal)
─────────────────────────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: .1s; }
.reveal-d2 { transition-delay: .2s; }
.reveal-d3 { transition-delay: .3s; }
.reveal-d4 { transition-delay: .4s; }

/* ───────────────────────────────────────────────────────────────
   RESPONSIVO
─────────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
    .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
}
@media (max-width: 768px) {
    .nav-links {
        display: none; position: absolute; top: 100%; left: 0; right: 0;
        background: rgba(1,8,16,.98); border-bottom: 1px solid var(--bdr);
        flex-direction: column; padding: 1.5rem 2rem; gap: 1rem;
    }
    .nav-links.open { display: flex; }
    .nav-toggle { display: flex; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .equip-grid, .platform-grid, .tools-grid, .device-grid,
    .proto-grid, .concepts-grid, .pillars-grid, .cases-grid { grid-template-columns: 1fr; }
    .pipeline { flex-direction: column; }
    .pipe-step:not(:last-child)::after { content: '↓'; right: auto; left: 50%; top: auto; bottom: -18px; transform: translateX(-50%); }
    .pipe-step:not(:last-child) { margin-right: 0; margin-bottom: 24px; }
    .spec-table { font-size: .8rem; }
}