/* ==========================================
   VARIÁVEIS CSS
   ========================================== */
:root {
    --color-bg: #0a0e27;
    --color-bg-light: #12183a;
    --color-primary: #00ff88;
    --color-accent: #ff006e;
    --color-text: #e8eaf0;
    --color-text-dim: #8892b0;
    --color-card: #1a2040;
    --font-display: 'Syne', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

/* ==========================================
   RESET E BASE
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

/* ==========================================
   BACKGROUND ANIMADO
   ========================================== */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.05;
    background: 
        linear-gradient(90deg, var(--color-primary) 1px, transparent 1px),
        linear-gradient(0deg, var(--color-primary) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* ==========================================
   NAVEGAÇÃO
   ========================================== */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    background: rgba(10, 14, 39, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 255, 136, 0.1);
    z-index: 1000;
    animation: slideDown 0.6s ease-out;
}

@keyframes slideDown {
    from { transform: translateY(-100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

nav .container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: -0.05em;
}

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

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.3s;
}

.nav-links a:hover {
    color: var(--color-primary);
}

.nav-links a:hover::after {
    width: 100%;
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 5% 4rem;
    position: relative;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-family: var(--font-display);
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

@keyframes fadeInUp {
    from { transform: translateY(30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.hero-content .tagline {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-text);
    margin-bottom: 1.5rem;
    font-weight: 600;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-content .description {
    font-size: 1rem;
    color: var(--color-text-dim);
    margin-bottom: 2rem;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.btn {
    padding: 1rem 2.5rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s;
    display: inline-block;
    border: 2px solid;
    cursor: pointer;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-bg);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background: transparent;
    color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-text-dim);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-3px);
}

/* ==========================================
   HERO VISUAL (CODE WINDOW)
   ========================================== */
.hero-visual {
    position: relative;
    animation: fadeIn 1s ease-out 0.4s both;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.code-window {
    background: var(--color-card);
    border-radius: 12px;
    border: 1px solid rgba(0, 255, 136, 0.2);
    padding: 1rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.window-header {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(136, 146, 176, 0.1);
}

.window-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-text-dim);
}

.code-content {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.8;
}

.code-line {
    display: flex;
    gap: 1rem;
}

.line-number {
    color: var(--color-text-dim);
    opacity: 0.5;
    user-select: none;
}

.keyword { color: #ff79c6; }
.function { color: #50fa7b; }
.string { color: #f1fa8c; }
.comment { color: #6272a4; font-style: italic; }

/* ==========================================
   STATS SECTION
   ========================================== */
.stats {
    padding: 4rem 5%;
    background: var(--color-bg-light);
}

.stats-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.stat-card {
    text-align: center;
    padding: 2rem;
    border-radius: 12px;
    background: var(--color-card);
    border: 1px solid rgba(0, 255, 136, 0.1);
    transition: all 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.2);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--color-text-dim);
    font-size: 0.9rem;
}

/* ==========================================
   ABOUT SECTION
   ========================================== */
.about {
    padding: 6rem 5%;
    background: var(--color-bg);
}

.about-container {
    max-width: 900px;
    margin: 0 auto;
}

.about-content h2 {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
}

.about-content p {
    color: var(--color-text-dim);
    font-size: 1.05rem;
    line-height: 1.9;
    margin-bottom: 1.5rem;
}

.certifications {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--color-card);
    border-radius: 16px;
    border: 1px solid rgba(0, 255, 136, 0.1);
}

.certifications h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.cert-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cert-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.cert-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.cert-item strong {
    color: var(--color-text);
    display: block;
    margin-bottom: 0.3rem;
    font-size: 1.05rem;
}

.cert-item p {
    color: var(--color-text-dim);
    font-size: 0.9rem;
    margin: 0;
}

/* ==========================================
   PORTFOLIO SECTION
   ========================================== */
.portfolio {
    padding: 6rem 5%;
    background: var(--color-bg-light);
}

.portfolio-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.portfolio-card {
    background: var(--color-card);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid rgba(0, 255, 136, 0.1);
    transition: all 0.4s;
    position: relative;
}

.portfolio-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s;
}

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

.portfolio-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: 0 20px 60px rgba(0, 255, 136, 0.15);
}

.portfolio-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    gap: 1rem;
}

.portfolio-header h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    color: var(--color-primary);
    line-height: 1.3;
}

.portfolio-tag {
    padding: 0.4rem 0.8rem;
    background: rgba(0, 255, 136, 0.1);
    color: var(--color-primary);
    border-radius: 6px;
    font-size: 0.75rem;
    border: 1px solid rgba(0, 255, 136, 0.2);
    white-space: nowrap;
}

.portfolio-description {
    color: var(--color-text-dim);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.portfolio-results {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(0, 255, 136, 0.05);
    border-radius: 10px;
    margin-bottom: 1.5rem;
}

.result-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
}

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

.result-value {
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1.2rem;
    font-family: var(--font-display);
}

.result-arrow {
    color: var(--color-accent);
    font-size: 1.5rem;
    font-weight: bold;
}

.portfolio-impact {
    padding: 1rem;
    background: rgba(255, 0, 110, 0.05);
    border-left: 3px solid var(--color-accent);
    border-radius: 6px;
    color: var(--color-text-dim);
    line-height: 1.6;
}

.portfolio-impact strong {
    color: var(--color-accent);
}

/* ==========================================
   SERVICES SECTION
   ========================================== */
.services {
    padding: 6rem 5%;
}

.section-header {
    max-width: 1400px;
    margin: 0 auto 4rem;
    text-align: center;
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    color: var(--color-text-dim);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--color-card);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid rgba(0, 255, 136, 0.1);
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s;
}

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

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: 0 20px 60px rgba(0, 255, 136, 0.15);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.service-card p {
    color: var(--color-text-dim);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    padding: 0.4rem 0.8rem;
    background: rgba(0, 255, 136, 0.1);
    color: var(--color-primary);
    border-radius: 6px;
    font-size: 0.75rem;
    border: 1px solid rgba(0, 255, 136, 0.2);
}

/* ==========================================
   EXPERIENCE SECTION (TIMELINE)
   ========================================== */
.experience {
    padding: 6rem 5%;
    background: var(--color-bg-light);
}

.timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 4rem;
}

.timeline-item:nth-child(odd) {
    text-align: right;
    padding-right: calc(50% + 3rem);
}

.timeline-item:nth-child(even) {
    text-align: left;
    padding-left: calc(50% + 3rem);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--color-primary);
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 0 4px var(--color-bg-light), 0 0 0 8px rgba(0, 255, 136, 0.2);
}

.timeline-content {
    background: var(--color-card);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid rgba(0, 255, 136, 0.1);
    transition: all 0.3s;
}

.timeline-content:hover {
    transform: scale(1.02);
    border-color: var(--color-primary);
    box-shadow: 0 10px 40px rgba(0, 255, 136, 0.15);
}

.timeline-date {
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.timeline-content h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.timeline-company {
    color: var(--color-text);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.timeline-content p {
    color: var(--color-text-dim);
    line-height: 1.7;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact {
    padding: 6rem 5%;
}

.contact-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-container h2 {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-container p {
    color: var(--color-text-dim);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    line-height: 1.8;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 2rem;
    background: var(--color-card);
    border: 1px solid rgba(0, 255, 136, 0.1);
    border-radius: 12px;
    color: var(--color-text);
    text-decoration: none;
    transition: all 0.3s;
}

.contact-link:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.2);
}

.contact-link svg {
    width: 24px;
    height: 24px;
    fill: var(--color-primary);
}

/* ==========================================
   FOOTER
   ========================================== */
footer {
    padding: 3rem 5%;
    background: var(--color-bg-light);
    border-top: 1px solid rgba(0, 255, 136, 0.1);
    text-align: center;
}

footer p {
    color: var(--color-text-dim);
}

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

.social-links a {
    color: var(--color-text-dim);
    transition: all 0.3s;
}

.social-links a:hover {
    color: var(--color-primary);
    transform: translateY(-3px);
}

.social-links svg {
    width: 24px;
    height: 24px;
}

/* ==========================================
   SCROLL ANIMATIONS
   ========================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease-out forwards;
}

.fade-in-delay-1 { animation-delay: 0.1s; }
.fade-in-delay-2 { animation-delay: 0.2s; }
.fade-in-delay-3 { animation-delay: 0.3s; }
.fade-in-delay-4 { animation-delay: 0.4s; }

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-visual {
        order: -1;
    }

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

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

    .timeline::before {
        left: 0;
    }

    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        text-align: left;
        padding-left: 3rem;
        padding-right: 0;
    }

    .timeline-dot {
        left: 0;
    }
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 3rem;
    }

    .hero-content .tagline {
        font-size: 1.2rem;
    }

    .nav-links {
        display: none;
    }

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

    .stats-container {
        grid-template-columns: 1fr;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .contact-links {
        flex-direction: column;
        align-items: stretch;
    }

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

    .portfolio-results {
        flex-direction: column;
    }

    .result-arrow {
        transform: rotate(90deg);
    }
}