/* ========================================
   DESIGN PREMIUM - ENGENHEIRO CIVIL MURILO
   ======================================== */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Playfair+Display:wght@600;700;800&display=swap');

/* CSS Variables - Tema Sofisticado */
:root {
    /* Cores Primárias */
    --primary-dark: #0f172a;
    --primary-medium: #1e293b;
    --primary-light: #334155;
    
    /* Cores de Acento - Âmbar/Dourado */
    --accent-gold: #f59e0b;
    --accent-gold-light: #fbbf24;
    --accent-gold-dark: #d97706;
    
    /* Cores de Apoio */
    --cyan-accent: #06b6d4;
    --emerald-accent: #10b981;
    
    /* Neutros */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    
    /* Gradientes */
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    --gradient-gold: linear-gradient(135deg, #f59e0b 0%, #d97706 50%, #f59e0b 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    --gradient-dark: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
    
    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.2);
    --shadow-gold: 0 4px 30px rgba(245, 158, 11, 0.3);
    --shadow-glow: 0 0 60px rgba(245, 158, 11, 0.15);
    
    /* Tipografia */
    --font-primary: 'Outfit', sans-serif;
    --font-display: 'Playfair Display', serif;
    
    /* Bordas */
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --border-radius-xl: 32px;
    --border-radius-full: 9999px;
    
    /* Transições */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset e Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.7;
    color: #1a1a1a;
    background: var(--gray-50);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   HEADER - Design Premium
   ======================================== */
header {
    background: var(--gradient-hero);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(245, 158, 11, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(6, 182, 212, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1;
}

.logo {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo h1 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 50%, var(--accent-gold) 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ========================================
   HERO SECTION - Visual Impactante
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 2rem;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    z-index: 1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 30% 20%, rgba(245, 158, 11, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 80%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.05) 0%, transparent 70%);
    animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% { opacity: 0.8; transform: scale(1); }
    100% { opacity: 1; transform: scale(1.05); }
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.5;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 3rem;
    z-index: 2;
    position: relative;
    text-align: center;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 30%, var(--accent-gold) 60%, var(--accent-gold-light) 100%);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientText 6s ease-in-out infinite;
    letter-spacing: -0.03em;
}

@keyframes gradientText {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero p {
    font-size: 1.25rem;
    color: var(--gray-300);
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
    font-weight: 300;
}

/* Hero CTAs */
.hero-ctas {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.cta-primary, .cta-secondary, .cta-tertiary {
    padding: 1rem 2rem;
    border-radius: var(--border-radius-full);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-medium);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.cta-primary {
    background: var(--gradient-gold);
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    box-shadow: var(--shadow-gold);
}

.cta-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s ease;
}

.cta-primary:hover::before {
    left: 100%;
}

.cta-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 40px rgba(245, 158, 11, 0.5);
}

.cta-secondary {
    background: transparent;
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.cta-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-gold);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(245, 158, 11, 0.2);
}

.cta-tertiary {
    background: rgba(6, 182, 212, 0.15);
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    border: 2px solid rgba(6, 182, 212, 0.3);
    backdrop-filter: blur(10px);
}

.cta-tertiary:hover {
    background: rgba(6, 182, 212, 0.25);
    border-color: var(--cyan-accent);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(6, 182, 212, 0.3);
}

/* ========================================
   SERVICES SECTIONS - Cards Premium
   ======================================== */
.services {
    padding: 6rem 0;
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.services:nth-child(even) {
    background: var(--gray-50);
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 0% 0%, rgba(245, 158, 11, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 100% 100%, rgba(6, 182, 212, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

.services .container {
    position: relative;
    z-index: 1;
}

.services h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--accent-gold);
    text-align: center;
    margin-bottom: 1.5rem;
    font-weight: 700;
    position: relative;
    display: inline-block;
    width: 100%;
    text-shadow: none;
}

.services h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-dark);
    border-radius: var(--border-radius-full);
}

.services p {
    font-size: 1.125rem;
    line-height: 1.9;
    color: #333333;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    font-weight: 400;
}

.services p a {
    color: #0066cc;
    text-decoration: underline;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.services p a:hover {
    color: #004499;
    text-decoration: none;
}

/* WhatsApp CTA Button */
.whatsapp-cta {
    text-align: center;
    margin-top: 2.5rem;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.125rem 2.5rem;
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    text-decoration: none;
    border-radius: var(--border-radius-full);
    font-weight: 600;
    font-size: 1.1rem;
    transition: all var(--transition-medium);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-whatsapp::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 ease;
}

.btn-whatsapp:hover::before {
    left: 100%;
}

.btn-whatsapp:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 35px rgba(37, 211, 102, 0.5);
}

/* ========================================
   LOCATION SECTION
   ======================================== */
.location {
    padding: 6rem 0;
    background: var(--primary-dark);
    position: relative;
    overflow: hidden;
}

.location::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 30% 30%, rgba(245, 158, 11, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 70%, rgba(6, 182, 212, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.location .container {
    position: relative;
    z-index: 1;
}

.location h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--accent-gold-light);
    text-align: center;
    margin-bottom: 2.5rem;
    font-weight: 700;
    position: relative;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.location h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-gold);
    border-radius: var(--border-radius-full);
}

.location iframe {
    width: 100%;
    max-width: 100%;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    border: 3px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-medium);
}

.location iframe:hover {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    transform: translateY(-5px);
}

/* ========================================
   FOOTER - Design Elegante
   ======================================== */
footer {
    background: var(--gradient-dark);
    color: var(--gray-300);
    padding: 5rem 0 2rem;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
}

footer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 80%, rgba(245, 158, 11, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(6, 182, 212, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 3rem;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

.footer-section h3 {
    font-family: var(--font-display);
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--accent-gold);
    border-radius: var(--border-radius-full);
}

.footer-section h4 {
    color: var(--accent-gold-light);
    margin-bottom: 1.25rem;
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.footer-section p {
    margin-bottom: 0.75rem;
    line-height: 1.7;
    font-size: 0.95rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section ul li a {
    color: var(--gray-400);
    text-decoration: none;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.footer-section ul li a::before {
    content: '→';
    opacity: 0;
    transform: translateX(-10px);
    transition: all var(--transition-fast);
    color: var(--accent-gold);
}

.footer-section ul li a:hover {
    color: var(--accent-gold);
    padding-left: 8px;
}

.footer-section ul li a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: 3rem;
    padding-top: 2rem;
    text-align: center;
    color: var(--gray-500);
    font-size: 0.9rem;
    position: relative;
    z-index: 1;
}

/* ========================================
   WHATSAPP FLOAT BUTTON
   ======================================== */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
}

.whatsapp-float a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    border-radius: 50%;
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    text-decoration: none;
    font-size: 1.75rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all var(--transition-medium);
    position: relative;
}

.whatsapp-float a::before {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border-radius: 50%;
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    z-index: -1;
    opacity: 0.3;
    animation: whatsappPulse 2s ease-in-out infinite;
}

@keyframes whatsappPulse {
    0%, 100% { 
        transform: scale(1);
        opacity: 0.3;
    }
    50% { 
        transform: scale(1.15);
        opacity: 0;
    }
}

.whatsapp-float a:hover {
    transform: scale(1.1) translateY(-3px);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
}

/* ========================================
   SITEMAP STYLES
   ======================================== */
.sitemap-section {
    margin-bottom: 4rem;
}

.sitemap-section h2 {
    font-family: var(--font-display);
    color: var(--accent-gold);
    margin-bottom: 2rem;
    font-size: 2rem;
    text-align: center;
    font-weight: 700;
    position: relative;
    text-shadow: none;
}

.sitemap-section h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-dark);
    border-radius: var(--border-radius-full);
}

.sitemap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.sitemap-grid a {
    display: block;
    padding: 1.25rem 1.5rem;
    background: var(--white);
    border-radius: var(--border-radius-md);
    text-decoration: none;
    color: #1a1a1a;
    font-weight: 500;
    transition: all var(--transition-medium);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.sitemap-grid a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-gold);
    transform: scaleY(0);
    transition: transform var(--transition-medium);
}

.sitemap-grid a:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
    color: var(--primary-dark);
}

.sitemap-grid a:hover::before {
    transform: scaleY(1);
}

/* ========================================
   SCROLLBAR CUSTOM
   ======================================== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--accent-gold) 0%, var(--accent-gold-dark) 100%);
    border-radius: var(--border-radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--accent-gold-light) 0%, var(--accent-gold) 100%);
}

/* ========================================
   SELECTION STYLES
   ======================================== */
::selection {
    background: var(--accent-gold);
    color: var(--primary-dark);
}

::-moz-selection {
    background: var(--accent-gold);
    color: var(--primary-dark);
}

/* ========================================
   UTILITIES
   ======================================== */
.text-gradient {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-effect {
    background: var(--gradient-glass);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Base responsive adjustments */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.25rem;
    }

    .hero p {
        font-size: 1.05rem;
    }

    .hero-ctas {
        flex-direction: column;
        align-items: center;
    }

    .cta-primary, .cta-secondary, .cta-tertiary {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
    
    .services {
        padding: 4rem 0;
    }
    
    .location {
        padding: 4rem 0;
    }
}