/* ================================================================
   Design System - Murilo Priólli Personal
   Conceito: "Performance de Elite & Ciência" (Dark, Vermelho, Azul)
   ================================================================ */

:root {
    /* Colors */
    --bg-base: #0f1115;
    --bg-darker: #0a0b0d;
    --bg-surface: #1e2229;
    --bg-card: rgba(30, 34, 41, 0.7);
    
    --text-primary: #f5f5f5;
    --text-secondary: #a0aab8;
    
    /* Brand Colors */
    --primary-red: #e53935;
    --primary-red-hover: #c62828;
    --bg-red-dim: rgba(229, 57, 53, 0.1);
    
    --primary-blue: #1976d2;
    --primary-blue-hover: #1565c0;
    --bg-blue-dim: rgba(25, 118, 210, 0.1);

    /* Fonts */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;

    /* Metrics */
    --border-radius: 12px;
    --border-radius-lg: 24px;
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

.section {
    padding: 8rem 0;
}

.text-red { color: var(--primary-red); }
.text-blue { color: var(--primary-blue); }
.bg-darker { background-color: var(--bg-darker); }
.bg-red-dim { background-color: var(--bg-red-dim); }
.bg-blue-dim { background-color: var(--bg-blue-dim); }

.relative { position: relative; }
.text-center { text-align: center; }
.mt-4 { margin-top: 2rem; }
.mb-2 { margin-bottom: 1rem; }
.block { display: block; }
.center-block { margin-left: auto; margin-right: auto; }
.max-w-600 { max-width: 600px; margin-left: auto; margin-right: auto; }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: 1.2;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: -1px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary-red);
    color: #fff;
    box-shadow: 0 8px 24px rgba(229, 57, 53, 0.4);
}

.btn-primary:hover {
    background-color: var(--primary-red-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(229, 57, 53, 0.6);
}

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

.btn-outline:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.btn-tertiary {
    background-color: var(--bg-surface);
    color: var(--text-primary);
}

.btn-tertiary:hover {
    background-color: #2a2e38;
    color: #fff;
}

.btn-pulse {
    animation: pulseRed 2s infinite;
}

@keyframes pulseRed {
    0% { box-shadow: 0 0 0 0 rgba(229, 57, 53, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(229, 57, 53, 0); }
    100% { box-shadow: 0 0 0 0 rgba(229, 57, 53, 0); }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 1.5rem 0;
    transition: var(--transition-smooth);
}

.header.scrolled {
    background-color: rgba(10, 11, 13, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -1px;
}

.logo-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 2px;
}

.nav-list {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary-blue);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.8rem;
    cursor: pointer;
}

/* Mobile Menu Overlay */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-darker);
    z-index: 200;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: 0.5s ease-in-out;
}

.mobile-menu.active {
    right: 0;
}

.close-menu-btn {
    position: absolute;
    top: 2rem;
    right: 5%;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 2rem;
    cursor: pointer;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    text-align: center;
}

.mobile-nav-link {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 900;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 8rem;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, var(--bg-base) 0%, rgba(15, 17, 21, 0.8) 50%, transparent 100%);
}

.hero-content {
    max-width: 600px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    padding: 0.5rem 1rem;
    background-color: var(--bg-red-dim);
    border-radius: 50px;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.hero-desc {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-item i {
    font-size: 2.5rem;
}

.stat-item div {
    display: flex;
    flex-direction: column;
}

.stat-item strong {
    font-family: var(--font-heading);
    font-size: 1.2rem;
}

.stat-item span {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Features (Social Proof) */
.features-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    position: relative;
    z-index: 10;
}

.feature-card {
    background-color: var(--bg-surface);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition-smooth);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255,255,255,0.1);
    box-shadow: 0 15px 30px rgba(0,0,0,0.5);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--text-secondary);
}

/* About Section */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.glow-shadow {
    border-radius: var(--border-radius-lg);
    box-shadow: 0 0 60px rgba(25, 118, 210, 0.15);
}

.about-card-float {
    position: absolute;
    bottom: -2rem;
    right: -2rem;
    background: var(--bg-surface);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    max-width: 250px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.6);
    border: 1px solid rgba(255,255,255,0.05);
}

.about-card-float i {
    color: var(--primary-red);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.about-card-float p {
    font-style: italic;
    font-size: 0.9rem;
}

.bio-text p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--bg-base);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition-smooth);
}

.service-card:hover {
    border-color: var(--primary-blue);
    transform: translateY(-5px);
}

.service-img-wrapper {
    height: 200px;
    overflow: hidden;
}

.service-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.service-card:hover .service-img {
    transform: scale(1.05);
}

.service-info {
    padding: 2rem;
}

.service-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.service-icon-large {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-base) 100%);
}

.service-card h3 {
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.service-card p {
    color: var(--text-secondary);
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background-color: var(--bg-surface);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    position: relative;
    border: 1px dashed rgba(255,255,255,0.1);
}

.quote-icon {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 3rem;
    color: var(--bg-darker);
    z-index: 0;
}

.t-text {
    position: relative;
    z-index: 1;
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.t-author strong {
    display: block;
    font-family: var(--font-heading);
    color: #fff;
}

.t-author span {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* FAQ Section */
.faq-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.faq-toggle {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    padding: 1.5rem 0;
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    text-align: left;
    cursor: pointer;
}

.faq-toggle i {
    transition: transform var(--transition-fast);
}

.faq-toggle.active i {
    transform: rotate(180deg);
    color: var(--primary-red);
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-smooth);
}

.faq-content p {
    padding-bottom: 1.5rem;
    color: var(--text-secondary);
}

/* CTA Banner */
.cta-banner {
    background: linear-gradient(0deg, var(--bg-base) 0%, rgba(229, 57, 53, 0.05) 100%);
    border-top: 1px solid rgba(229, 57, 53, 0.1);
}

/* Footer */
.footer {
    background-color: var(--bg-darker);
    padding-top: 4rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.social-links a:hover {
    background-color: var(--primary-blue);
}

.footer-links h4 {
    margin-bottom: 1rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    padding: 1.5rem 0;
    background-color: #050608;
    text-align: center;
}

/* Animations */
.reveal-up {
    opacity: 0;
    transform: translateY(30px);
    transition: 0.8s ease;
}

.reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: 0.8s ease;
}

.reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: 0.8s ease;
}

.reveal-up.active,
.reveal-left.active,
.reveal-right.active {
    opacity: 1;
    transform: translate(0);
}

/* Responsiveness */
@media screen and (max-width: 992px) {
    .hero-title { font-size: 3rem; }
    .hero-bg { background: linear-gradient(180deg, transparent 0%, var(--bg-base) 100%); }
    .hero-overlay { background: rgba(15, 17, 21, 0.7); }
    
    .about-container, .faq-container {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 768px) {
    .nav { display: none; }
    .header .btn.btn-outline { display: none; }
    .mobile-menu-btn { display: block; }
    
    .hero-title { font-size: 2.3rem; }
    .hero-actions { flex-direction: column; }
    .hero-stats { flex-direction: column; gap: 1.5rem; }
    
    .features-container { margin-top: 3rem; }
    .section { padding: 5rem 0; }
    
    .footer-container { grid-template-columns: 1fr; }
}