/* ==========================================================================
   SKY ZOOM IMAGENS AÉREAS - PORTFÓLIO PROFISSIONAL
   Tema Claro (Fundo Branco & Tipografia Premium de Alta Legibilidade)
   ========================================================================== */

:root {
    /* Fundo e Superfícies Claras */
    --bg-body: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-alt: #f1f5f9;
    --bg-surface-hover: #ffffff;
    --bg-input: #ffffff;
    
    /* Bordas e Divisores Sutis */
    --border-color: #e2e8f0;
    --border-hover: #cbd5e1;
    --border-focus: #0284c7;
    
    /* Cores de Destaque (Inspiradas na Logo SKY ZOOM e Tecnologia) */
    --primary-sky: #0284c7;
    --primary-sky-dark: #0369a1;
    --accent-orange: #f59e0b;
    --accent-orange-dark: #d97706;
    --accent-emerald: #10b981;
    --accent-indigo: #6366f1;
    
    /* Tipografia e Textos Agradáveis de Alta Legibilidade */
    --text-primary: #0f172a;     /* Cinza grafite profundo para títulos */
    --text-secondary: #334155;   /* Cinza suave para parágrafos */
    --text-muted: #64748b;       /* Cinza médio para subtítulos e metadados */
    --text-light: #94a3b8;       /* Cinza claro para detalhes secundários */
    
    /* Gradientes */
    --gradient-hero-text: linear-gradient(135deg, #0284c7 0%, #2563eb 50%, #f59e0b 100%);
    --gradient-btn: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
    --gradient-orange: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-whatsapp: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    
    /* Sombras Elegantes e Suaves */
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.06), 0 4px 10px -2px rgba(15, 23, 42, 0.02);
    --shadow-lg: 0 20px 35px -10px rgba(15, 23, 42, 0.08), 0 8px 16px -4px rgba(15, 23, 42, 0.03);
    --shadow-hover: 0 20px 40px -10px rgba(2, 132, 199, 0.12), 0 8px 20px -4px rgba(15, 23, 42, 0.04);
    
    /* Raios de Arredondamento */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-full: 9999px;
    
    /* Transições Fluidas */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   RESET & CONFIGURAÇÕES GERAIS
   ========================================================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Plus Jakarta Sans', 'Montserrat', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-secondary);
    line-height: 1.65;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

/* Fundo Iluminado e Suave com Gradientes Sutis */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: 
        radial-gradient(circle at 10% 15%, rgba(2, 132, 199, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 90% 65%, rgba(245, 158, 11, 0.04) 0%, transparent 45%),
        radial-gradient(circle at 50% 90%, rgba(99, 102, 241, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

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

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

.section-header {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 60px auto;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 18px;
    border-radius: var(--radius-full);
    background: rgba(2, 132, 199, 0.08);
    border: 1px solid rgba(2, 132, 199, 0.18);
    color: var(--primary-sky);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 18px;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.6;
}

/* ==========================================================================
   HEADER & NAVBAR
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    border-bottom-color: #cbd5e1;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 84px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

.logo:hover .logo-img {
    transform: scale(1.04);
}

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 32px;
}

.nav-link {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 600;
    position: relative;
    padding: 8px 0;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-sky);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-sky);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 28px;
    border-radius: var(--radius-full);
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: var(--gradient-btn);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(2, 132, 199, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0369a1 0%, #075985 100%);
    box-shadow: 0 8px 22px rgba(2, 132, 199, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--bg-surface-alt);
    border-color: var(--primary-sky);
    color: var(--primary-sky);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-whatsapp {
    background: var(--gradient-whatsapp);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
    transform: translateY(-2px);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    padding: 160px 0 100px 0;
    display: flex;
    align-items: center;
    background: linear-gradient(180deg, rgba(241, 245, 249, 0.6) 0%, rgba(248, 250, 252, 1) 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: var(--radius-full);
    background: rgba(2, 132, 199, 0.08);
    border: 1px solid rgba(2, 132, 199, 0.18);
    color: var(--primary-sky);
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 24px;
}

.hero-tag .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent-emerald);
    box-shadow: 0 0 10px var(--accent-emerald);
}

.hero-title {
    font-size: 3.6rem;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 24px;
    color: var(--text-primary);
    letter-spacing: -1px;
}

.hero-desc {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    max-width: 580px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 36px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.stat-item h3 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.stat-item p {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* Hero Visual Card */
.hero-visual {
    position: relative;
}

.hero-card-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    padding: 8px;
    background: linear-gradient(135deg, rgba(2, 132, 199, 0.2), rgba(245, 158, 11, 0.15), rgba(99, 102, 241, 0.15));
    box-shadow: var(--shadow-lg);
}

.hero-main-card {
    background: #0f172a;
    border-radius: calc(var(--radius-lg) - 4px);
    overflow: hidden;
    position: relative;
    aspect-ratio: 4/3;
}

.hero-main-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.hero-main-card:hover img {
    transform: scale(1.04);
}

.hero-card-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(8px);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 700;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    gap: 6px;
}

.hero-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 24px;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.95) 0%, transparent 100%);
    color: #ffffff;
}

.hero-card-overlay h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: #ffffff;
}

.hero-card-overlay p {
    font-size: 0.85rem;
    color: #cbd5e1;
}

.hero-floating-card {
    position: absolute;
    bottom: -24px;
    left: -24px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 16px 20px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: var(--shadow-lg);
    animation: float 4s ease-in-out infinite alternate;
}

.floating-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(2, 132, 199, 0.1);
    color: var(--primary-sky);
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes float {
    0% { transform: translateY(0px); }
    100% { transform: translateY(-10px); }
}

/* ==========================================================================
   SERVICES SECTION
   ========================================================================== */
.services-section {
    padding: 120px 0;
    position: relative;
    background: var(--bg-surface);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 28px;
}

.service-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px 30px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-btn);
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: #cbd5e1;
    box-shadow: var(--shadow-hover);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: rgba(2, 132, 199, 0.08);
    border: 1px solid rgba(2, 132, 199, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-sky);
    margin-bottom: 24px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--primary-sky);
    color: #ffffff;
    transform: scale(1.08);
    box-shadow: 0 6px 20px rgba(2, 132, 199, 0.35);
}

.service-title {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 14px;
    color: var(--text-primary);
}

.service-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.service-features {
    list-style: none;
    margin-bottom: 28px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-weight: 500;
}

.service-features li svg {
    color: var(--primary-sky);
    flex-shrink: 0;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-sky);
    font-weight: 700;
    font-size: 0.95rem;
    margin-top: auto;
}

.service-link:hover {
    gap: 12px;
    color: var(--primary-sky-dark);
}

/* ==========================================================================
   PORTFOLIO GALLERY SECTION
   ========================================================================== */
.portfolio-section {
    padding: 120px 0;
    background: var(--bg-surface-alt);
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 48px;
}

.filter-btn {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 10px 24px;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.filter-btn:hover, .filter-btn.active {
    background: var(--primary-sky);
    color: #ffffff;
    border-color: var(--primary-sky);
    box-shadow: 0 4px 14px rgba(2, 132, 199, 0.3);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 30px;
}

.portfolio-item {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.portfolio-item:hover {
    transform: translateY(-6px);
    border-color: #cbd5e1;
    box-shadow: var(--shadow-hover);
}

.portfolio-thumb {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: #0f172a;
}

.portfolio-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.portfolio-item:hover .portfolio-thumb img {
    transform: scale(1.08);
}

.portfolio-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(8px);
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.portfolio-play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-play-overlay {
    opacity: 1;
}

.play-circle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary-sky);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px rgba(2, 132, 199, 0.6);
    transform: scale(0.8);
    transition: var(--transition);
}

.portfolio-item:hover .play-circle {
    transform: scale(1);
}

.portfolio-info {
    padding: 24px;
    background: var(--bg-surface);
}

.portfolio-category {
    font-size: 0.8rem;
    color: var(--primary-sky);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.portfolio-title {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.portfolio-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.portfolio-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* ==========================================================================
   360° INTERACTIVE PANORAMA SHOWCASE
   ========================================================================== */
.showcase-360-section {
    padding: 120px 0;
    position: relative;
    background: var(--bg-surface);
}

.pano-wrapper {
    background: #0f172a;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.pano-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.pano-scene-selector {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.scene-btn {
    background: var(--bg-surface-alt);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.scene-btn:hover, .scene-btn.active {
    background: var(--primary-sky);
    color: #ffffff;
    border-color: var(--primary-sky);
}

#panorama-container {
    width: 100%;
    height: 540px;
    position: relative;
    overflow: hidden;
    background: #000;
    cursor: grab;
}

#panorama-container:active {
    cursor: grabbing;
}

.pano-controls {
    position: absolute;
    bottom: 24px;
    right: 24px;
    display: flex;
    gap: 8px;
    z-index: 10;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    padding: 6px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.pano-btn {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    background: var(--bg-surface-alt);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.pano-btn:hover, .pano-btn.active {
    background: var(--primary-sky);
    color: #ffffff;
    border-color: var(--primary-sky);
}

.pano-hint {
    position: absolute;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 8px 20px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: #ffffff;
    pointer-events: none;
    transition: opacity 0.5s ease;
    z-index: 10;
}

.pano-hint span {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ==========================================================================
   BEFORE & AFTER COMPARISON SLIDER
   ========================================================================== */
.comparison-section {
    padding: 100px 0;
    background: var(--bg-surface-alt);
}

.comparison-card {
    max-width: 960px;
    margin: 0 auto;
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 24px;
    box-shadow: var(--shadow-md);
}

.comparison-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    border-radius: var(--radius-md);
    user-select: none;
}

.comp-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.comp-before-wrap {
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 100%;
    overflow: hidden;
    border-right: 3px solid var(--primary-sky);
}

.comp-before-wrap .comp-img {
    width: 100%;
    max-width: none;
}

.comp-label {
    position: absolute;
    bottom: 20px;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 700;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(8px);
    z-index: 5;
}

.comp-label.before {
    left: 20px;
    color: var(--accent-orange);
}

.comp-label.after {
    right: 20px;
    color: #ffffff;
}

.comp-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: ew-resize;
    z-index: 10;
}

.comp-handle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary-sky);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px rgba(2, 132, 199, 0.6);
    pointer-events: none;
    z-index: 6;
}

/* ==========================================================================
   DIFFERENTIALS / TECHNOLOGY / COMPLIANCE
   ========================================================================== */
.tech-section {
    padding: 120px 0;
    background: var(--bg-surface);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.tech-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.tech-card:hover {
    transform: translateY(-6px);
    border-color: #cbd5e1;
    box-shadow: var(--shadow-hover);
}

.tech-icon {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: rgba(2, 132, 199, 0.08);
    color: var(--primary-sky);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px auto;
}

.tech-title {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.tech-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ==========================================================================
   BUDGET SIMULATOR (LEAD GENERATOR FOR WHATSAPP)
   ========================================================================== */
.budget-section {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--bg-surface-alt) 0%, rgba(241, 245, 249, 0.5) 100%);
}

.budget-card {
    max-width: 860px;
    margin: 0 auto;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-lg);
}

.budget-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 32px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group.full-width {
    grid-column: span 2;
}

.form-label {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
}

.form-select, .form-input, .form-textarea {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
    outline: none;
}

.form-select option {
    background: #ffffff;
    color: #0f172a;
}

.form-select:focus, .form-input:focus, .form-textarea:focus {
    border-color: var(--primary-sky);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.budget-preview-box {
    background: var(--bg-surface-alt);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.preview-info h4 {
    font-size: 1.1rem;
    color: var(--primary-sky);
    font-weight: 800;
    margin-bottom: 4px;
}

.preview-info p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.preview-price-range {
    text-align: right;
}

.preview-price-range .label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 600;
}

.preview-price-range .price {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--accent-emerald);
}

/* ==========================================================================
   FAQ SECTION
   ========================================================================== */
.faq-section {
    padding: 100px 0;
    background: var(--bg-surface);
}

.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.faq-item:hover {
    border-color: #cbd5e1;
}

.faq-question {
    padding: 22px 26px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 700;
    font-size: 1.05rem;
    cursor: pointer;
    user-select: none;
    color: var(--text-primary);
}

.faq-icon {
    color: var(--primary-sky);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 26px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    padding: 0 26px 24px 26px;
    max-height: 300px;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-section {
    padding: 120px 0;
    background: var(--bg-surface-alt);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

.contact-info-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 28px;
    box-shadow: var(--shadow-md);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(2, 132, 199, 0.08);
    border: 1px solid rgba(2, 132, 199, 0.18);
    color: var(--primary-sky);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 1.1rem;
    font-weight: 800;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.contact-details p, .contact-details a {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.contact-details a:hover {
    color: var(--primary-sky);
}

.social-links {
    display: flex;
    gap: 14px;
    margin-top: 10px;
}

.social-btn {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    background: var(--bg-surface-alt);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-btn:hover {
    background: var(--primary-sky);
    color: #ffffff;
    border-color: var(--primary-sky);
    transform: translateY(-3px);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    background: #ffffff;
    border-top: 1px solid var(--border-color);
    padding: 80px 0 30px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 16px;
    max-width: 320px;
    line-height: 1.6;
}

.footer-col h4 {
    font-size: 1.1rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.footer-links a:hover {
    color: var(--primary-sky);
    padding-left: 5px;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ==========================================================================
   FLOATING WHATSAPP BUTTON
   ========================================================================== */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    width: 62px;
    height: 62px;
    border-radius: 50%;
    background: var(--gradient-whatsapp);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.45);
    transition: var(--transition);
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.65);
}

.floating-whatsapp::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: inherit;
    animation: sonarWave 2s infinite;
    z-index: -1;
}

@keyframes sonarWave {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(1.6); opacity: 0; }
}

/* ==========================================================================
   MODAL LIGHTBOX
   ========================================================================== */
.lightbox-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(16px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    padding: 24px;
}

.lightbox-modal.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    position: relative;
    max-width: 1100px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-media-container {
    width: 100%;
    max-height: 75vh;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.lightbox-media-container img, .lightbox-media-container iframe {
    max-width: 100%;
    max-height: 75vh;
    border-radius: var(--radius-md);
    object-fit: contain;
}

.lightbox-caption {
    margin-top: 16px;
    text-align: center;
    color: #ffffff;
    font-size: 1.1rem;
    font-weight: 600;
}

.lightbox-close {
    position: absolute;
    top: -45px;
    right: 0;
    background: transparent;
    border: none;
    color: #ffffff;
    cursor: pointer;
    font-size: 1.8rem;
}

.lightbox-prev, .lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #ffffff;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-prev { left: -60px; }
.lightbox-next { right: -60px; }

.lightbox-prev:hover, .lightbox-next:hover {
    background: var(--primary-sky);
    color: #ffffff;
}

/* ==========================================================================
   RESPONSIVIDADE (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .hero-title {
        font-size: 3rem;
    }

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

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

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 84px;
        left: 0;
        width: 100%;
        height: calc(100vh - 84px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .mobile-toggle {
        display: block;
    }

    .nav-cta {
        display: none;
    }

    .hero-title {
        font-size: 2.4rem;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 24px;
    }

    .budget-form-grid {
        grid-template-columns: 1fr;
    }

    .form-group.full-width {
        grid-column: span 1;
    }

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

    .lightbox-prev { left: 10px; }
    .lightbox-next { right: 10px; }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .btn {
        width: 100%;
    }

    .hero-floating-card {
        display: none;
    }
}