/* ========================================
   PANDA CREATIVE GLOBAL - STYLESHEET
   Roxo Dominante + Neon Verde-Limão #CCF900
   ======================================== */

:root {
    /* Cores principais */
    --roxo-principal: #6B2B9E;
    --roxo-escuro: #4A1D6F;
    --roxo-mais-escuro: #2D1142;
    --neon-verde: #CCF900;
    --neon-verde-soft: #E6FF4D;
    --preto: #0A0A0A;
    --preto-suave: #1A1A1A;
    --branco: #FFFFFF;
    --cinza-claro: #F5F5F5;
    --cinza-medio: #CCCCCC;
    
    /* Tipografia */
    --font-display: 'Bebas Neue', 'Anton', 'Impact', sans-serif;
    --font-body: 'Inter', 'Roboto', sans-serif;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Breakpoints */
    --mobile: 768px;
    --tablet: 992px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--preto);
    background-color: var(--branco);
    overflow-x: hidden;
}

/* ========================================
   TIPOGRAFIA
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
}

h2 {
    font-size: clamp(2rem, 6vw, 3.5rem);
}

h3 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
}

.highlight-neon {
    color: var(--neon-verde);
    text-shadow: 0 0 20px var(--neon-verde);
}

/* ========================================
   HEADER/NAVBAR
   ======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--preto);
    padding: 1rem 2rem;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.header.scrolled {
    padding: 0.5rem 2rem;
}

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

.logo img {
    height: 50px;
    transition: transform 0.3s ease, filter 0.3s ease;
}

.logo img:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 10px var(--neon-verde));
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--branco);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-menu a:hover {
    color: var(--neon-verde);
}

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

.lang-switcher {
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--branco);
    color: var(--branco);
    padding: 0.25rem 0.75rem;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.lang-btn:hover,
.lang-btn.active {
    background-color: var(--neon-verde);
    color: var(--preto);
    border-color: var(--neon-verde);
}

.social-icons {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.social-icons a {
    color: var(--branco);
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    color: var(--neon-verde);
    transform: translateY(-3px);
}

.whatsapp-btn {
    background-color: var(--neon-verde);
    color: var(--preto);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
    box-shadow: 0 0 20px var(--neon-verde);
    text-decoration: none;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px var(--neon-verde);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 20px var(--neon-verde);
    }
    50% {
        box-shadow: 0 0 40px var(--neon-verde);
    }
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--branco);
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translateY(8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-8px);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--roxo-mais-escuro) 0%, var(--roxo-escuro) 50%, var(--roxo-principal) 100%);
    color: var(--branco);
    padding: 8rem 2rem 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(204, 249, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(204, 249, 0, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
}

.hero h1 {
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease;
}

.hero p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease 0.2s backwards;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.4s backwards;
}

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

/* Hero com Vídeo */
.hero-with-video {
    background: var(--preto);
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(45, 17, 66, 0.85) 0%,
        rgba(74, 29, 111, 0.75) 50%,
        rgba(106, 43, 158, 0.65) 100%
    );
    z-index: 1;
    pointer-events: none;
}

.hero-with-video .hero-content {
    z-index: 2;
}

.hero-with-video::before {
    z-index: 1;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-primary {
    background-color: var(--neon-verde);
    color: var(--preto);
    box-shadow: 0 0 20px var(--neon-verde);
}

.btn-primary:hover {
    background-color: var(--neon-verde-soft);
    transform: translateY(-3px);
    box-shadow: 0 5px 30px var(--neon-verde);
}

.btn-secondary {
    background-color: transparent;
    color: var(--branco);
    border: 2px solid var(--neon-verde);
}

.btn-secondary:hover {
    background-color: var(--neon-verde);
    color: var(--preto);
}

/* ========================================
   SECTIONS
   ======================================== */

.section {
    padding: var(--spacing-xl) 2rem;
}

.section-dark {
    background: linear-gradient(135deg, var(--roxo-escuro) 0%, var(--roxo-principal) 100%);
    color: var(--branco);
}

.section-light {
    background-color: var(--branco);
    color: var(--preto);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background-color: var(--neon-verde);
    margin: 1rem auto 0;
    box-shadow: 0 0 10px var(--neon-verde);
}

/* ========================================
   CASES GRID
   ======================================== */

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.case-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background-color: var(--preto-suave);
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(204, 249, 0, 0.3);
}

.case-image {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.case-card:hover .case-image img {
    transform: scale(1.1);
}

.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(106, 43, 158, 0.7) 0%,
        rgba(74, 29, 111, 0.6) 50%,
        rgba(204, 249, 0, 0.4) 100%
    );
    opacity: 0.8;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.case-card:hover .case-overlay {
    opacity: 0.6;
}

.case-content {
    padding: 1.5rem;
    color: var(--branco);
}

.case-category {
    display: inline-block;
    background-color: var(--neon-verde);
    color: var(--preto);
    padding: 0.25rem 0.75rem;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 1rem;
    box-shadow: 0 0 10px var(--neon-verde);
}

.case-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-family: var(--font-display);
}

.case-description {
    font-size: 0.95rem;
    opacity: 0.9;
    line-height: 1.6;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background-color: var(--preto);
    color: var(--branco);
    padding: 3rem 2rem 1rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--neon-verde);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.footer-section p,
.footer-section a {
    color: var(--cinza-medio);
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--neon-verde);
}

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.footer-social a {
    color: var(--branco);
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    color: var(--neon-verde);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--cinza-medio);
    font-size: 0.9rem;
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--preto);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        transition: left 0.3s ease;
        z-index: 999;
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
        z-index: 1001;
    }
    
    .social-icons {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 1rem;
    }
    
    .logo img {
        height: 40px;
    }
    
    .hero {
        padding: 6rem 1rem 3rem;
    }
    
    .section {
        padding: var(--spacing-lg) 1rem;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .whatsapp-btn {
        width: 44px;
        height: 44px;
        font-size: 1.25rem;
    }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.text-center {
    text-align: center;
}

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }