/* ============================================
   PUGLIA PINTURAS - DESIGN SYSTEM PREMIUM
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    /* Cores Premium */
    --white: #FFFFFF;
    --blue-premium: #001B3A;
    --gold-premium: #A79149;
    
    /* Cores auxiliares */
    --blue-light: rgba(0, 27, 58, 0.1);
    --gold-light: rgba(167, 145, 73, 0.1);
    --text-dark: #1a1a1a;
    --text-muted: #666666;
    --border-light: rgba(0, 0, 0, 0.08);
    
    /* Sombras Premium */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-gold: 0 8px 24px rgba(167, 145, 73, 0.2);
    
    /* Transições */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--white);
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   ANIMAÇÃO DE ENTRADA - ESTILO TESLA/SOLANA
   ============================================ */

#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--blue-premium);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 1;
    transition: opacity 0.6s ease-out;
}

#loading-screen.fade-out {
    opacity: 0;
    pointer-events: none;
}

.loading-logo-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-logo {
    width: 200px;
    height: auto;
    animation: logoPulse 1.2s ease-in-out infinite;
    filter: drop-shadow(0 4px 20px rgba(167, 145, 73, 0.5));
    border-radius: 8px;
}

@keyframes logoPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.9;
    }
}

.loading-glow {
    position: absolute;
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(167, 145, 73, 0.4) 0%, transparent 70%);
    animation: glowPulse 1.2s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.8;
    }
}

/* ============================================
   HEADER PREMIUM
   ============================================ */

header {
    background: var(--white);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition);
}

header.scrolled {
    box-shadow: var(--shadow-md);
    padding: 15px 0;
}

header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover {
    transform: translateY(-2px);
}

.logo-img {
    height: 55px;
    width: auto;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

/* Logo text removed - only image */

.desktop-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    z-index: 999;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
    border-top: 1px solid var(--border-light);
}

.mobile-nav.active {
    display: block;
    max-height: 600px;
    padding: 20px 0;
}

.mobile-nav .nav-link {
    display: block;
    padding: 15px 30px;
    border-bottom: 1px solid var(--border-light);
    text-align: left;
}

.mobile-nav .nav-link:last-child {
    border-bottom: none;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    position: relative;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background: var(--blue-premium);
    border-radius: 3px;
    transition: var(--transition);
    transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    padding: 10px 18px;
    border-radius: 10px;
    transition: var(--transition);
    font-weight: 500;
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background: var(--gold-premium);
    transition: var(--transition);
}

.nav-link:hover::before,
.nav-link.active::before {
    transform: translateX(-50%) scaleX(1);
}

.nav-link:hover {
    color: var(--blue-premium);
    background: var(--blue-light);
}

.nav-link.active {
    color: var(--blue-premium);
    font-weight: 600;
}

/* ============================================
   BOTÕES PREMIUM
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn.primary {
    background: var(--blue-premium);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn.primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn.primary:hover::before {
    left: 100%;
}

.btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn.secondary {
    background: var(--white);
    color: var(--blue-premium);
    border: 2px solid var(--blue-premium);
}

.btn.secondary:hover {
    background: var(--blue-premium);
    color: var(--white);
    transform: translateY(-2px);
}

.btn.gold {
    background: var(--gold-premium);
    color: var(--white);
    box-shadow: var(--shadow-gold);
}

.btn.gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(167, 145, 73, 0.3);
}

/* ============================================
   CARDS PREMIUM
   ============================================ */

.card {
    background: var(--white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-premium {
    background: var(--white);
    border-radius: 20px;
    padding: 50px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.card-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--blue-premium), var(--gold-premium));
}

/* ============================================
   FOOTER PREMIUM (REDUZIDO)
   ============================================ */

footer {
    background: var(--gold-premium);
    color: var(--white);
    padding: 30px 0 20px;
    margin-top: 100px;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

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

.footer-content h3 {
    color: var(--white);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
    margin: 20px 0;
}

.footer-links h4 {
    color: var(--white);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 10px;
    opacity: 0.95;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    display: block;
    margin-bottom: 6px;
    font-size: 0.85rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
    transform: translateX(4px);
}

.footer-links p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 6px;
}

.social-links {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 20px;
}

.social-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.social-icon:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px) scale(1.1);
}

/* ============================================
   WHATSAPP FIXO
   ============================================ */

.whatsapp-fixed {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-fixed:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 32px rgba(37, 211, 102, 0.5);
}

.whatsapp-fixed svg {
    width: 32px;
    height: 32px;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 8px 32px rgba(37, 211, 102, 0.6);
    }
}

/* ============================================
   UTILITÁRIOS
   ============================================ */

.section-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--blue-premium);
    margin-bottom: 20px;
    letter-spacing: -1px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 50px;
    max-width: 700px;
}

.text-gold {
    color: var(--gold-premium);
}

.text-blue {
    color: var(--blue-premium);
}

/* ============================================
   ANIMAÇÕES
   ============================================ */

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ============================================
   RESPONSIVO
   ============================================ */

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    
    .desktop-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .logo-img {
        height: 45px;
    }
    
    header .container {
        gap: 20px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .mobile-nav.active {
        animation: slideDown 0.3s ease-out;
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}