:root {
    --bg: #0D0D0D;
    --header-bg: rgba(13, 13, 13, 0.85);
    --surface: #121214;
    --primary: #FF7518;
    --text: #f9dcda;
    --text-dim: #A8A8B3;
    --border: rgba(255, 117, 24, 0.2);
    --input-bg: #080808;
}

.light-theme {
    --bg: #F3EBDE; /* Creme Latte */
    --header-bg: rgba(243, 235, 222, 0.9);
    --surface: #E6D5BC;
    --primary: #D35400;
    --text: #3E2723;
    --text-dim: #5D4037;
    --border: rgba(211, 84, 0, 0.25);
    --input-bg: #D7C4A9;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Geist', sans-serif;
    transition: background 0.4s ease, color 0.4s ease;
    scroll-behavior: smooth;
    line-height: 1.6;
}

header {
    position: fixed; top: 0; width: 100%; height: 75px;
    background: var(--header-bg); backdrop-filter: blur(12px);
    display: flex; justify-content: space-around; align-items: center;
    border-bottom: 1px solid var(--border); z-index: 1000;
    transition: background 0.4s ease;
}

.logo { font-family: 'Space Grotesk', sans-serif; color: var(--primary); font-weight: bold; font-size: 1.3rem; }

nav ul { display: flex; list-style: none; gap: 20px; }
nav a { text-decoration: none; color: var(--text); font-family: 'JetBrains Mono', monospace; font-size: 0.8rem; text-transform: uppercase; transition: 0.3s; }
nav a:hover { color: var(--primary); text-shadow: 0 0 10px var(--primary); }

/* BOTÃO HUD COM TEXTURA SCANLINE */
.theme-hud-btn {
    background: rgba(255, 117, 24, 0.05);
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 8px 16px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: bold;
    text-transform: uppercase;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
    transition: 0.3s all ease;
}

.theme-hud-btn::after {
    content: "";
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.05) 50%);
    background-size: 100% 2px;
    pointer-events: none;
}

.theme-hud-btn:hover { background: var(--primary); color: var(--bg); box-shadow: 0 0 15px var(--primary); }
.hud-line { width: 3px; height: 12px; background: var(--primary); transition: 0.3s; }
.theme-hud-btn:hover .hud-line { background: var(--bg); }

/* HERO GRID PROFISSIONAL */
.hero { min-height: 100vh; display: flex; align-items: center; padding: 0 64px; }
.hero-container {
    max-width: 1200px; margin: 0 auto;
    display: grid; grid-template-columns: 1fr 400px; gap: 60px; align-items: center;
}

.hero h1 { font-family: 'Space Grotesk', sans-serif; font-size: 5rem; color: var(--primary); margin-bottom: 0.5rem; line-height: 1; }
.typing-cursor { color: var(--primary); font-weight: bold; animation: blink-cursor 1s step-end infinite; }
@keyframes blink-cursor { from, 50% { opacity: 1; } 51%, to { opacity: 0; } }

.status-container {
    display: flex; align-items: center; gap: 10px; margin-bottom: 2rem;
    color: var(--primary); font-family: 'JetBrains Mono', monospace; font-size: 0.8rem; font-weight: bold;
}

.hero p { font-size: 1.1rem; color: var(--text-dim); line-height: 1.8; margin-bottom: 3rem; max-width: 650px; text-align: justify; }

/* HUD DE SEGURANÇA À DIREITA */
.tech-hud {
    background: var(--surface); border: 1px solid var(--border); padding: 25px;
    font-family: 'JetBrains Mono', monospace; font-size: 0.85rem; box-shadow: 15px 15px 0px var(--border);
}
.hud-header { color: var(--primary); border-bottom: 1px solid var(--border); padding-bottom: 10px; margin-bottom: 20px; font-size: 0.7rem; }
.hud-body p { margin-bottom: 12px; color: var(--text-dim); display: flex; gap: 10px; }
.hud-body p::before { content: ">"; color: var(--primary); }

/* SEÇÕES E CARDS */
.content-section { padding: 120px 64px; max-width: 1200px; margin: 0 auto; }
h2 { font-family: 'Space Grotesk', sans-serif; border-left: 6px solid var(--primary); padding-left: 20px; margin-bottom: 3rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.card { background: var(--surface); border: 1px solid var(--border); padding: 35px; transition: 0.4s; }
.card:hover { border-color: var(--primary); transform: translateY(-8px); }

/* BOTÕES E LINKS */
.social-links { display: flex; gap: 20px; }
.link-btn { text-decoration: none; color: var(--primary); border: 1px solid var(--primary); padding: 12px 30px; font-weight: bold; transition: 0.3s; }
.link-btn:hover { background: var(--primary); color: var(--bg); }
.project-link { color: var(--primary); text-decoration: none; font-weight: bold; margin-top: 15px; display: inline-block; }

/* FORMULÁRIO */
input, textarea { width: 100%; background: var(--input-bg); border: 1px solid var(--border); padding: 18px; color: var(--text); font-family: 'JetBrains Mono', monospace; }
.btn-primary { background: var(--primary); color: var(--bg); border: none; padding: 22px; font-weight: bold; cursor: pointer; width: 100%; text-transform: uppercase; letter-spacing: 2px; }

.status-dot { width: 8px; height: 8px; background: var(--primary); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(255, 117, 24, 0.7); } 70% { box-shadow: 0 0 0 10px rgba(255, 117, 24, 0); } 100% { box-shadow: 0 0 0 0 rgba(255, 117, 24, 0); } }

footer { text-align: center; padding: 60px; font-size: 0.8rem; color: var(--text-dim); border-top: 1px solid var(--border); transition: background 0.4s ease; }

@media (max-width: 900px) {
    .hero-container { grid-template-columns: 1fr; }
    .hero-visual { display: none; }
    .hero { padding: 100px 24px; }
}