/* =====================
   Variables & Reset
   ===================== */
   :root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --neon-green: #00ff41;
    --neon-cyan: #00d4ff;
    --neon-purple: #b700ff;
    --neon-red: #ff0040;
    --text-primary: #e0e0e0;
    --text-muted: #888888;
    --font-mono: 'Fira Code', monospace;
    --font-display: 'Orbitron', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Scanline Effect */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.15) 0px,
        rgba(0, 0, 0, 0.15) 1px,
        transparent 1px,
        transparent 2px
    );
    z-index: 10000;
}

/* =====================
   Navigation
   ===================== */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--neon-green);
    padding: 1rem 2rem;
    z-index: 9999;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 900;
    color: var(--neon-green);
    text-shadow: 0 0 10px var(--neon-green);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::before {
    content: '> ';
    opacity: 0;
    color: var(--neon-green);
    transition: opacity 0.3s ease;
}

.nav-links a:hover {
    color: var(--neon-green);
    text-shadow: 0 0 10px var(--neon-green);
}

.nav-links a:hover::before {
    opacity: 1;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--neon-green);
    transition: all 0.3s ease;
}

/* =====================
   Hero Section
   ===================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
    position: relative;
    background: 
        radial-gradient(ellipse at center, rgba(0, 255, 65, 0.08) 0%, transparent 70%),
        var(--bg-primary);
}

.matrix-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    opacity: 0.1;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
}

/* Glitch Effect */
.glitch {
  position: relative;
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 4.5rem);
  font-weight: 900;
  line-height: 1;
  color: var(--neon-green);
  text-shadow:
    0 0 10px var(--neon-green),
    0 0 20px var(--neon-green),
    0 0 40px var(--neon-green);
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
}

.glitch::before {
  color: var(--neon-cyan);
  transform: translate(-0.04em, 0);
  animation: glitch-1 2s infinite linear alternate-reverse;
  clip-path: inset(0 0 60% 0);
}

.glitch::after {
  color: var(--neon-purple);
  transform: translate(0.04em, 0);
  animation: glitch-2 2s infinite linear alternate-reverse;
  clip-path: inset(62% 0 0 0);
}

@keyframes glitch {
    0%, 90%, 100% { transform: translate(0); }
    92% { transform: translate(-2px, 2px); }
    94% { transform: translate(2px, -2px); }
    96% { transform: translate(-1px, -1px); }
    98% { transform: translate(1px, 1px); }
}

@keyframes glitch-1 {
    0%, 90%, 100% { transform: translate(0); }
    92% { transform: translate(-3px, 0); }
    94% { transform: translate(3px, 0); }
}

@keyframes glitch-2 {
    0%, 90%, 100% { transform: translate(0); }
    92% { transform: translate(3px, 0); }
    94% { transform: translate(-3px, 0); }
}

.tagline {
    font-size: clamp(1rem, 3vw, 1.5rem);
    color: var(--neon-cyan);
    margin: 1.5rem 0;
    text-shadow: 0 0 10px var(--neon-cyan);
}

.terminal-text {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin: 1.5rem 0;
}

.terminal-text::before {
    content: '$ ';
    color: var(--neon-green);
}

.typing {
    border-right: 2px solid var(--neon-green);
    animation: blink 0.7s infinite;
}

@keyframes blink {
    0%, 50% { border-color: var(--neon-green); }
    51%, 100% { border-color: transparent; }
}

.hero-info {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.info-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(0, 255, 65, 0.1);
    border: 1px solid rgba(0, 255, 65, 0.3);
    font-size: 0.9rem;
}

.info-link {
    color: var(--text-primary);
    text-decoration: none;
    font-style: normal;
    transition: all 0.3s ease;
}

.info-link:hover {
    color: var(--neon-green);
    border-color: var(--neon-green);
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.25);
}

/* CTA Button */
.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    margin-top: 1rem;
    background: transparent;
    border: 2px solid var(--neon-green);
    color: var(--neon-green);
    font-family: var(--font-mono);
    font-size: 1rem;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--neon-green);
    transition: left 0.3s ease;
    z-index: -1;
}

.cta-button:hover {
    color: var(--bg-primary);
    box-shadow: 0 0 30px var(--neon-green);
}

.cta-button:hover::before {
    left: 0;
}

/* =====================
   Sections General
   ===================== */
section {
    padding: 6rem 2rem;
}

.content {
    max-width: 1000px;
    margin: 0 auto;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 2rem);
    color: var(--neon-cyan);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.section-title::before {
    content: '//';
    color: var(--neon-green);
}

/* =====================
   About Section
   ===================== */
#sobre {
    background: var(--bg-secondary);
    border-top: 1px solid rgba(0, 255, 65, 0.2);
    border-bottom: 1px solid rgba(0, 255, 65, 0.2);
}

.about-text {
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
    padding-left: 1rem;
    border-left: 3px solid var(--neon-purple);
    color: var(--text-primary);
}

.about-text strong {
    color: var(--neon-cyan);
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 2.5rem;
}

.tag {
    padding: 0.5rem 1rem;
    background: rgba(0, 255, 65, 0.1);
    border: 1px solid var(--neon-green);
    color: var(--neon-green);
    font-size: 0.8rem;
    transition: all 0.3s ease;
}

.tag:hover {
    background: var(--neon-green);
    color: var(--bg-primary);
    box-shadow: 0 0 15px var(--neon-green);
}

/* =====================
   CFP Section
   ===================== */
#cfp {
    background: var(--bg-primary);
}

.cfp-intro {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.cfp-intro strong {
    color: var(--neon-green);
}

.cfp-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.cfp-card {
    background: var(--bg-secondary);
    border: 1px solid rgba(0, 212, 255, 0.3);
    padding: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.cfp-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.cfp-card:hover {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 25px rgba(0, 212, 255, 0.2);
    transform: translateY(-5px);
}

.cfp-card:hover::before {
    transform: scaleX(1);
}

.cfp-card h3 {
    color: var(--neon-cyan);
    margin-bottom: 1rem;
    font-size: 1rem;
    font-family: var(--font-mono);
}

.cfp-card ul {
    list-style: none;
}

.cfp-card li {
    padding: 0.4rem 0;
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.cfp-card li::before {
    content: '→ ';
    color: var(--neon-green);
}

.cfp-card:hover li {
    color: var(--text-primary);
}

.deadline {
    background: rgba(183, 0, 255, 0.1);
    border: 1px solid var(--neon-purple);
    padding: 1.5rem;
    margin: 2.5rem 0;
    text-align: center;
    position: relative;
}

.deadline::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-purple), transparent);
}

.deadline strong {
    color: var(--neon-purple);
    text-shadow: 0 0 10px var(--neon-purple);
    font-size: 1.2rem;
}

.cta-center {
    text-align: center;
    margin-top: 2rem;
}

/* =====================
   Contact Section
   ===================== */
#contato {
    background: var(--bg-secondary);
    border-top: 1px solid rgba(0, 255, 65, 0.2);
}

.contact-intro {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 3rem;
    color: var(--text-muted);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid rgba(0, 255, 65, 0.2);
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-card:hover {
    border-color: var(--neon-green);
    box-shadow: 0 0 25px rgba(0, 255, 65, 0.2);
    transform: translateY(-5px);
}

.contact-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.contact-label {
    color: var(--neon-green);
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.contact-value {
    color: var(--text-muted);
    font-size: 0.8rem;
    text-align: center;
}

.contact-card:hover .contact-value {
    color: var(--text-primary);
}

/* =====================
   Footer
   ===================== */
footer {
    background: var(--bg-primary);
    border-top: 1px solid rgba(0, 255, 65, 0.3);
    padding: 3rem 2rem;
    text-align: center;
}

.footer-content {
    max-width: 600px;
    margin: 0 auto;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--neon-green);
    text-shadow: 0 0 10px var(--neon-green);
    margin-bottom: 1rem;
}

.footer-text {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--neon-cyan);
}

.copyright {
    color: var(--text-muted);
    font-size: 0.75rem;
    opacity: 0.6;
}

/* =====================
   Responsive Design
   ===================== */
@media (max-width: 768px) {
    nav {
        padding: 1rem;
    }

    .mobile-menu-btn {
        display: flex;
        z-index: 10001;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: var(--bg-primary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transition: right 0.3s ease;
        border-left: 1px solid var(--neon-green);
    }

    .nav-links.active {
        right: 0;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    section {
        padding: 4rem 1.5rem;
    }

    .hero {
        padding: 1rem;
    }

    .hero-info {
        gap: 0.75rem;
    }

    .cfp-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 0.9rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .cta-button {
        padding: 0.8rem 1.5rem;
        font-size: 0.85rem;
    }
}