/* ===================================
   CSS Variables - Design Tokens
   Tux Solutions - Tech Theme
   =================================== */
:root {
    /* Colors - Tech Gold Theme */
    --color-primary: #D4AF37;
    --color-primary-dark: #B8941F;
    --color-primary-light: #F4C430;
    --color-secondary: #FFD700;
    --color-accent: #FFA500;
    
    --color-text-primary: #ffffff;
    --color-text-secondary: #e0e0e0;
    --color-text-light: #a0a0a0;
    
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #1a1a1a;
    --color-bg-dark: #000000;
    --color-bg-card: #1a1a1a;
    
    --color-border: #333333;
    --color-border-light: #2a2a2a;
    --color-border-gold: rgba(212, 175, 55, 0.3);
    
    /* Spacing */
    --spacing-xs: 0.75rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 3rem;
    
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Shadows & Glow Effects */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.7);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.8);
    --glow-gold: 0 0 20px rgba(212, 175, 55, 0.5);
    --glow-gold-strong: 0 0 30px rgba(255, 215, 0, 0.7);
    --glow-gold-subtle: 0 0 10px rgba(212, 175, 55, 0.3);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;
    
    /* Transitions - Smooth & Stylized */
    --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 600ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-smooth: 400ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    
    /* Container */
    --container-max-width: 1200px;
}

/* ===================================
   Reset & Base Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-family);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(212, 175, 55, 0.03) 0%, transparent 50%);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===================================
   Typography
   =================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

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

a:hover {
    color: var(--color-primary-dark);
}

ul {
    list-style: none;
}

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

/* ===================================
   Layout
   =================================== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-xl) 0;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid var(--color-border-gold);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    transition: all var(--transition-smooth);
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(255, 215, 0, 0.05) 100%);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.3);
}

.logo:hover {
    transform: scale(1.05) translateY(-2px);
    text-shadow: var(--glow-gold-subtle);
    box-shadow: 0 0 25px rgba(212, 175, 55, 0.5);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    color: var(--color-text-primary);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-smooth);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transform: translateX(-50%);
    transition: width var(--transition-smooth);
    box-shadow: var(--glow-gold-subtle);
}

.nav-link:hover {
    color: var(--color-primary);
    background-color: rgba(212, 175, 55, 0.05);
}

.nav-link:hover::after {
    width: 80%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    overflow: hidden;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #0a0a0a 100%);
}

/* Pinguim background - sutil e elegante */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAwIiBoZWlnaHQ9IjEwMCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj48dGV4dCB4PSI1MCIgeT0iNTAiIGZvbnQtc2l6ZT0iNjAiIHRleHQtYW5jaG9yPSJtaWRkbGUiIGZpbGw9IiNEMkFGMzciIG9wYWNpdHk9IjAuMSI+8J+QpzwvdGV4dD48L3N2Zz4=');
    background-position: center;
    background-repeat: no-repeat;
    background-size: 50%;
    opacity: 0.08;
    filter: blur(2px);
    pointer-events: none;
    z-index: 0;
}

/* Hero Penguin - Imagem Real com CSS para suavizar */
.hero-penguin {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('assets/images/logo.png');
    background-position: center center;
    background-repeat: no-repeat;
    background-size: contain;
    opacity: 0.15;
    filter: grayscale(50%) blur(1px) brightness(0.8) contrast(0.8);
    pointer-events: none;
    z-index: 0;
    mix-blend-mode: screen;
    animation: pulse-penguin 8s ease-in-out infinite;
}

@keyframes pulse-penguin {
    0%, 100% {
        opacity: 0.15;
        filter: grayscale(50%) blur(1px) brightness(0.8) contrast(0.8);
    }
    50% {
        opacity: 0.18;
        filter: grayscale(40%) blur(0.5px) brightness(0.85) contrast(0.85);
    }
}



/* Circuit board - removido para usar elementos HTML */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1;
}

/* Container das trilhas PCB */
.pcb-traces {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    opacity: 0.8;
}

/* Trilha horizontal individual - Efeito condutor metálico */
.pcb-trace {
    position: absolute;
    height: 3px;
    background: linear-gradient(180deg, 
        rgba(255, 235, 180, 0.4) 0%,
        rgba(255, 215, 0, 0.7) 20%,
        rgba(212, 175, 55, 0.8) 50%,
        rgba(180, 140, 30, 0.7) 80%,
        rgba(140, 110, 25, 0.5) 100%);
    box-shadow: 
        0 1px 2px rgba(0, 0, 0, 0.4),
        0 -1px 0 rgba(255, 255, 255, 0.15),
        inset 0 1px 0 rgba(255, 235, 180, 0.25),
        inset 0 -1px 1px rgba(100, 80, 20, 0.4),
        0 0 8px rgba(212, 175, 55, 0.3);
    border-radius: 0.5px;
}

/* Trilhas superiores */
.pcb-trace.top-1 { top: 24%; left: 0; width: 26%; }
.pcb-trace.top-1-right { top: 24%; right: 0; width: 26%; }
.pcb-trace.top-2 { top: 28%; left: 0; width: 22%; height: 2px; }
.pcb-trace.top-2-right { top: 28%; right: 0; width: 22%; height: 2px; }
.pcb-trace.top-3 { top: 32%; left: 0; width: 18%; height: 2px; }
.pcb-trace.top-3-right { top: 32%; right: 0; width: 18%; height: 2px; }

/* Trilhas inferiores */
.pcb-trace.bottom-1 { bottom: 24%; left: 0; width: 28%; }
.pcb-trace.bottom-1-right { bottom: 24%; right: 0; width: 28%; }
.pcb-trace.bottom-2 { bottom: 28%; left: 0; width: 24%; height: 2px; }
.pcb-trace.bottom-2-right { bottom: 28%; right: 0; width: 24%; height: 2px; }
.pcb-trace.bottom-3 { bottom: 32%; left: 0; width: 20%; height: 2px; }
.pcb-trace.bottom-3-right { bottom: 32%; right: 0; width: 20%; height: 2px; }

/* Pontos de conexão nas trilhas - Estilo solda/via metálica */
.pcb-node {
    position: absolute;
    width: 10px;
    height: 10px;
    background: radial-gradient(circle, 
        rgba(255, 245, 200, 0.9) 0%, 
        rgba(255, 215, 0, 0.95) 25%, 
        rgba(212, 175, 55, 0.9) 50%,
        rgba(180, 140, 30, 0.8) 75%,
        rgba(140, 110, 25, 0.7) 100%);
    border: 1px solid rgba(180, 140, 30, 0.8);
    border-radius: 50%;
    box-shadow: 
        0 1px 3px rgba(0, 0, 0, 0.5),
        0 0 8px rgba(212, 175, 55, 0.4),
        inset 0 1px 2px rgba(255, 255, 255, 0.4),
        inset 0 -1px 2px rgba(100, 80, 20, 0.5);
    animation: pulse-node-subtle 4s ease-in-out infinite;
    z-index: 2;
}

@keyframes pulse-node-subtle {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 
            0 1px 3px rgba(0, 0, 0, 0.5),
            0 0 8px rgba(212, 175, 55, 0.4),
            inset 0 1px 2px rgba(255, 255, 255, 0.4),
            inset 0 -1px 2px rgba(100, 80, 20, 0.5);
    }
    50% { 
        transform: scale(1.08);
        box-shadow: 
            0 1px 3px rgba(0, 0, 0, 0.5),
            0 0 12px rgba(255, 215, 0, 0.5),
            inset 0 1px 2px rgba(255, 255, 255, 0.5),
            inset 0 -1px 2px rgba(100, 80, 20, 0.5);
    }
}

/* Tech Lines - Linhas tecnológicas animadas */
.hero .tech-lines {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

/* Linha horizontal 1 - Desabilitada para focar nas trilhas estáticas */
.hero .tech-lines::before {
    display: none;
}

/* Linha horizontal 2 - Desabilitada para focar nas trilhas estáticas */
.hero .tech-lines::after {
    display: none;
}

@keyframes line-move-horizontal {
    0% {
        left: -100%;
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        left: 100%;
        opacity: 0;
    }
}

@keyframes line-move-horizontal-reverse {
    0% {
        right: -100%;
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        right: 100%;
        opacity: 0;
    }
}

/* Campo de energia da placa-mãe - Brilho suave e realista */
.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.4;
    background-image: 
        radial-gradient(ellipse 900px 700px at 50% 50%, 
            rgba(255, 235, 180, 0.08) 0%, 
            rgba(255, 215, 0, 0.15) 20%, 
            rgba(212, 175, 55, 0.1) 40%, 
            transparent 70%),
        radial-gradient(circle 400px at 50% 50%, 
            rgba(255, 245, 200, 0.06) 0%, 
            rgba(255, 215, 0, 0.08) 30%, 
            transparent 60%);
    animation: central-glow-subtle 5s ease-in-out infinite alternate;
    pointer-events: none;
    z-index: 0;
    filter: blur(50px);
}

@keyframes central-glow-subtle {
    0% {
        opacity: 0.35;
        transform: scale(0.98);
    }
    100% {
        opacity: 0.45;
        transform: scale(1.02);
    }
}

/* Pontos de conexão circulares (nodes) nas trilhas */
.hero-background::before,
.hero-background::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.9) 0%, rgba(255, 215, 0, 1) 40%, rgba(212, 175, 55, 0.8) 70%, rgba(212, 175, 55, 0.4) 100%);
    border-radius: 50%;
    border: 2px solid rgba(255, 215, 0, 0.9);
    box-shadow: 
        0 0 15px rgba(255, 215, 0, 1),
        0 0 30px rgba(255, 215, 0, 0.6),
        inset 0 0 8px rgba(255, 255, 255, 0.5),
        /* Nós adicionais */
        -100px 0 0 0 rgba(255, 215, 0, 0.9),
        -100px 0 15px 2px rgba(255, 215, 0, 0.8),
        100px 0 0 0 rgba(212, 175, 55, 0.9),
        100px 0 15px 2px rgba(212, 175, 55, 0.7),
        200px 0 0 0 rgba(255, 215, 0, 0.9),
        200px 0 15px 2px rgba(255, 215, 0, 0.8),
        -200px 0 0 0 rgba(212, 175, 55, 0.9),
        -200px 0 15px 2px rgba(212, 175, 55, 0.7);
    animation: pulse-nodes 3s ease-in-out infinite;
}

.hero-background::before {
    left: 10%;
    top: 25%;
}

.hero-background::after {
    right: 10%;
    top: 69%;
    animation-delay: -1.5s;
}

.hero-background::after {
    left: 60%;
    top: 20%;
    animation-delay: -7s;
}

@keyframes pulse-nodes {
    0%, 100% {
        transform: scale(1);
        opacity: 0.9;
        filter: brightness(1);
    }
    50% {
        transform: scale(1.2);
        opacity: 1;
        filter: brightness(1.4) drop-shadow(0 0 10px rgba(255, 215, 0, 1));
    }
}

/* Hexágonos flutuantes - Componentes de placa metálicos */
.hero .tech-lines > span {
    position: absolute;
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, 
        rgba(20, 20, 20, 0.85) 0%,
        rgba(15, 15, 15, 0.9) 50%,
        rgba(10, 10, 10, 0.85) 100%);
    border: 2px solid rgba(212, 175, 55, 0.7);
    clip-path: polygon(30% 0%, 70% 0%, 100% 50%, 70% 100%, 30% 100%, 0% 50%);
    box-shadow: 
        0 2px 5px rgba(0, 0, 0, 0.6),
        0 0 15px rgba(212, 175, 55, 0.3),
        inset 0 1px 1px rgba(255, 215, 0, 0.1),
        inset 0 -1px 2px rgba(0, 0, 0, 0.5);
    animation: float-hexagon-subtle 7s ease-in-out infinite;
    z-index: 3;
    opacity: 0.9;
}

.hero .tech-lines > span:nth-child(1) { animation-delay: 0s; }
.hero .tech-lines > span:nth-child(2) { animation-delay: -1.75s; }
.hero .tech-lines > span:nth-child(3) { animation-delay: -3.5s; }
.hero .tech-lines > span:nth-child(4) { animation-delay: -5.25s; }

@keyframes float-hexagon-subtle {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.85;
        border-color: rgba(212, 175, 55, 0.65);
    }
    50% {
        transform: translateY(-12px) rotate(2deg);
        opacity: 0.95;
        border-color: rgba(255, 215, 0, 0.8);
        box-shadow: 
            0 3px 8px rgba(0, 0, 0, 0.7),
            0 0 20px rgba(212, 175, 55, 0.4),
            inset 0 1px 1px rgba(255, 215, 0, 0.15),
            inset 0 -1px 2px rgba(0, 0, 0, 0.5);
    }
}

@keyframes diagonal-move {
    0% {
        transform: translate(-100%, -100%);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translate(100%, 100%);
        opacity: 0;
    }
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.15;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 215, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(212, 175, 55, 0.05) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.15; }
    50% { opacity: 0.25; }
}

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

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--spacing-md);
    color: white;
    animation: fadeInUp 0.8s ease;
}

.highlight {
    color: var(--color-primary);
    position: relative;
    display: inline-block;
    text-shadow: var(--glow-gold-subtle);
    font-weight: var(--font-weight-bold);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s both;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-smooth);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #0a0a0a;
    box-shadow: var(--glow-gold-subtle);
    border: 1px solid var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

.btn-primary:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--glow-gold-strong);
    color: #000000;
}

.btn-primary:active {
    transform: translateY(-1px) scale(0.98);
    transition: all 0.1s;
}

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

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: #0a0a0a;
    box-shadow: var(--glow-gold-subtle);
}

/* ===================================
   Section Headers
   =================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-full);
    box-shadow: var(--glow-gold-subtle);
}

.section-subtitle {
    color: var(--color-text-light);
    font-size: var(--font-size-lg);
}

/* ===================================
   About Section
   =================================== */
.about {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

.about-text {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

/* ===================================
   MVV Section
   =================================== */
.mvv {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #0a0a0a 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.mvv::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(45deg, transparent, transparent 35px, rgba(212, 175, 55, 0.03) 35px, rgba(212, 175, 55, 0.03) 70px);
    pointer-events: none;
}

.mvv .section-title,
.mvv .section-subtitle {
    color: white;
}

.mvv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.mvv-card {
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-gold);
    transition: all var(--transition-bounce);
    position: relative;
    overflow: hidden;
}

.mvv-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.mvv-card:hover {
    transform: translateY(-8px) rotate(1deg);
    background: rgba(26, 26, 26, 0.95);
    box-shadow: var(--glow-gold-strong);
    border-color: var(--color-primary);
}

.mvv-card:hover::before {
    opacity: 1;
    animation: slide-right 1s ease-in-out;
}

@keyframes slide-right {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.mvv-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-bounce);
    display: inline-block;
}

.mvv-card:hover .mvv-icon {
    transform: scale(1.2) rotateY(360deg);
    filter: drop-shadow(0 0 15px var(--color-primary));
}

.mvv-card h3 {
    color: white;
    margin-bottom: var(--spacing-sm);
}

.mvv-card p,
.mvv-card li {
    color: rgba(255, 255, 255, 0.9);
}

.values-list {
    text-align: left;
    margin-top: var(--spacing-sm);
}

.values-list li {
    margin-bottom: var(--spacing-xs);
    padding-left: var(--spacing-sm);
    position: relative;
}

.values-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: var(--font-weight-bold);
}

/* ===================================
   Services Section
   =================================== */
.services {
    background-color: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg) 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    margin-bottom: calc(var(--spacing-xl) * 2);
}

.service-card {
    background-color: transparent;
    padding: 0;
    border-radius: var(--radius-lg);
    box-shadow: none;
    transition: transform var(--transition-smooth);
    border: none;
    position: relative;
    transform-style: preserve-3d;
    perspective: 1000px;
    min-height: 520px;
}

/* Card flip structure */
.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 520px;
    transition: transform 0.8s ease;
    transform-style: preserve-3d;
}

.service-card.flipped .card-inner {
    transform: rotateY(180deg);
}

.card-front,
.card-back {
    position: absolute;
    width: 100%;
    min-height: 520px;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    background-color: var(--color-bg-card);
    border: 2px solid var(--color-border);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    transition: border-color var(--transition-smooth);
}

.card-front:hover,
.card-back:hover {
    border-color: var(--color-primary);
    box-shadow: var(--glow-gold-strong);
}

.card-back {
    transform: rotateY(180deg);
}

.business-value {
    text-align: left;
    margin: var(--spacing-md) 0;
    flex: 1;
}

.business-value p {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    border-left: 3px solid var(--color-primary);
    padding-left: var(--spacing-sm);
    background: rgba(212, 175, 55, 0.05);
    border-radius: 4px;
}

.business-value strong {
    color: var(--color-primary);
    display: block;
    margin-bottom: 4px;
    font-size: 1.05em;
}

.flip-button {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: var(--color-text-primary);
    border: none;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-smooth);
    margin-top: auto;
    width: 100%;
}

.flip-button:hover {
    transform: scale(1.02);
    box-shadow: var(--glow-gold-subtle);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-smooth);
    display: inline-block;
}

.service-card:hover .service-icon {
    transform: scale(1.15) rotate(5deg);
    filter: drop-shadow(0 0 10px var(--color-primary));
}

.service-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.service-card > p {
    margin-bottom: var(--spacing-md);
    font-weight: var(--font-weight-medium);
}

.service-list {
    margin: var(--spacing-md) 0;
    text-align: left;
}

.service-list li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-text-secondary);
}

.service-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
}

.service-link {
    display: inline-block;
    margin-top: var(--spacing-sm);
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-fast);
}

.service-link:hover {
    transform: translateX(5px);
}

/* ===================================
   Technologies Section
   =================================== */
.technologies {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg) 0;
}

.tech-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

/* Layout responsivo com Observability e IaC centralizados lado a lado no desktop */
@media (min-width: 769px) {
    .tech-cards-grid {
        grid-template-columns: repeat(6, 1fr);
        justify-items: center;
    }
    
    .tech-card {
        width: 100%;
        max-width: 400px;
    }
    
    /* Primeira linha: 3 cards ocupando 2 colunas cada */
    .tech-card:nth-child(1) {
        grid-column: 1 / 3;
    }
    
    .tech-card:nth-child(2) {
        grid-column: 3 / 5;
    }
    
    .tech-card:nth-child(3) {
        grid-column: 5 / 7;
    }
    
    /* Segunda linha: 2 cards centralizados, ocupando 2 colunas cada */
    .tech-card:nth-child(4) {
        grid-column: 2 / 4;
        grid-row: 2;
    }
    
    .tech-card:nth-child(5) {
        grid-column: 4 / 6;
        grid-row: 2;
    }
}

.tech-card {
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.95) 0%, rgba(10, 10, 10, 0.98) 100%);
    border: 2px solid rgba(212, 175, 55, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.05) 0%, rgba(255, 215, 0, 0.02) 100%);
    opacity: 0;
    transition: opacity var(--transition-smooth);
    z-index: 0;
}

.tech-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: 
        0 8px 30px rgba(0, 0, 0, 0.4),
        0 0 30px rgba(212, 175, 55, 0.3);
}

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

.tech-card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.tech-icon {
    font-size: 2rem;
    filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.5));
}

.tech-card h3 {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin: 0;
    text-shadow: var(--glow-gold-subtle);
}

.tech-card-content {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    position: relative;
    z-index: 1;
}

.tech-badge {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.2) 0%, rgba(255, 215, 0, 0.12) 100%);
    color: var(--color-secondary);
    padding: 0.45rem 0.9rem;
    border-radius: var(--radius-full);
    font-size: 0.95rem;
    font-weight: var(--font-weight-semibold);
    border: 1px solid rgba(212, 175, 55, 0.4);
    transition: all var(--transition-fast);
    white-space: nowrap;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.tech-badge:hover {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.35) 0%, rgba(255, 215, 0, 0.2) 100%);
    border-color: var(--color-secondary);
    color: #FFD700;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.5);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg) var(--spacing-xs);
    margin-top: var(--spacing-lg);
}

.tech-category {
    margin-bottom: var(--spacing-md);
}

.tech-category h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tech-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: rgba(26, 26, 26, 0.8);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    border: 1px solid var(--color-border);
}

.tech-tag:hover {
    background-color: var(--color-primary);
    color: #0a0a0a;
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--glow-gold);
    border-color: var(--color-primary);
    animation: pulse-tag 1s ease-in-out;
}

@keyframes pulse-tag {
    0%, 100% { transform: translateY(-3px) scale(1.05); }
    50% { transform: translateY(-3px) scale(1.08); }
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    background-color: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--glow-gold-subtle);
    border: 1px solid var(--color-border-gold);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    background-color: rgba(10, 10, 10, 0.5);
    color: var(--color-text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--glow-gold-subtle);
    background-color: rgba(10, 10, 10, 0.7);
}

.form-group textarea {
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: #000000;
    color: white;
    padding: var(--spacing-lg) 0 var(--spacing-md);
    border-top: 1px solid var(--color-border-gold);
    position: relative;
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
    color: white;
    margin-bottom: var(--spacing-sm);
}

.footer-logo {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(255, 215, 0, 0.05) 100%);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.3);
    transition: all var(--transition-smooth);
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
}

.footer-tagline {
    color: var(--color-secondary);
    font-weight: var(--font-weight-bold);
    font-style: italic;
    font-size: 1.1rem;
    text-shadow: 0 0 10px rgba(212, 175, 55, 0.4);
    letter-spacing: 1px;
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.footer-tech-pattern {
    display: flex;
    gap: 0.5rem;
    margin-top: var(--spacing-xs);
    opacity: 0.6;
}

.footer-hex {
    color: var(--color-primary);
    font-size: 1rem;
    animation: pulse-hex 2s ease-in-out infinite;
    text-shadow: 0 0 5px rgba(212, 175, 55, 0.5);
}

.footer-hex:nth-child(2) {
    animation-delay: 0.3s;
}

.footer-hex:nth-child(3) {
    animation-delay: 0.6s;
}

@keyframes pulse-hex {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.15); }
}

.footer-logo:hover {
    box-shadow: 0 0 25px rgba(212, 175, 55, 0.5);
    transform: translateY(-2px);
}

.footer-section p,
.footer-section li {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    :root {
        --font-size-3xl: 2rem;
        --font-size-2xl: 1.5rem;
        --spacing-xl: 4rem;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-bg-secondary);
        display: none;
        flex-direction: column;
        padding: var(--spacing-sm);
        box-shadow: var(--shadow-lg);
        z-index: 1000;
        border-top: 1px solid var(--color-border);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-link {
        padding: var(--spacing-sm);
        border-bottom: 1px solid var(--color-border);
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    .hero {
        padding-top: 100px;
        padding-bottom: var(--spacing-lg);
    }
    
    .hero-content {
        padding: var(--spacing-md);
    }
    
    .hero-title {
        font-size: clamp(1.75rem, 8vw, 2.5rem);
        margin-top: var(--spacing-md);
    }
    
    .hero-subtitle {
        font-size: 1rem;
        line-height: 1.6;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .services-grid,
    .mvv-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        gap: calc(var(--spacing-md) * 2);
    }
    
    .service-card {
        margin-bottom: var(--spacing-md);
        perspective: none;
        transform-style: flat;
    }
    
    .card-inner {
        position: relative;
        transform: none !important;
        transform-style: flat;
        min-height: 520px;
    }
    
    .card-front,
    .card-back {
        position: absolute;
        transform: none !important;
        backface-visibility: visible;
        -webkit-backface-visibility: visible;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.4s ease, visibility 0.4s ease;
    }
    
    .service-card:not(.flipped) .card-front {
        opacity: 1;
        visibility: visible;
        position: relative;
    }
    
    .service-card.flipped .card-back {
        opacity: 1;
        visibility: visible;
        position: relative;
    }
    
    .service-card.flipped .card-front {
        position: absolute;
        opacity: 0;
        visibility: hidden;
    }
    
    .service-card:not(.flipped) .card-back {
        position: absolute;
        opacity: 0;
        visibility: hidden;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===================================
   Accessibility
   =================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ===================================
   Print Styles
   =================================== */
@media print {
    .navbar,
    .hero-buttons,
    .contact-form,
    .footer {
        display: none;
    }
}

/* ===================================
   Tech Decorative Elements
   =================================== */
.tech-lines {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    opacity: 0.1;
    background-image: 
        linear-gradient(90deg, transparent 49%, var(--color-primary) 49%, var(--color-primary) 51%, transparent 51%),
        linear-gradient(0deg, transparent 49%, var(--color-primary) 49%, var(--color-primary) 51%, transparent 51%);
    background-size: 100px 100px;
}

/* Hexagon decoration for tech theme */
.section-header::before {
    content: '⬢';
    color: var(--color-primary);
    font-size: 1.5rem;
    display: block;
    margin-bottom: 0.5rem;
    opacity: 0.5;
    text-shadow: var(--glow-gold-subtle);
}

/* Glowing text effect for important elements */
.glow-text {
    text-shadow: 0 0 10px var(--color-primary),
                 0 0 20px var(--color-primary),
                 0 0 30px var(--color-primary);
}

/* Circuit board pattern background */
.circuit-pattern {
    background-image: 
        repeating-linear-gradient(90deg, transparent, transparent 50px, rgba(212, 175, 55, 0.03) 50px, rgba(212, 175, 55, 0.03) 51px),
        repeating-linear-gradient(0deg, transparent, transparent 50px, rgba(212, 175, 55, 0.03) 50px, rgba(212, 175, 55, 0.03) 51px);
}

/* Animated glow effect */
@keyframes glow-pulse {
    0%, 100% {
        box-shadow: 0 0 5px rgba(212, 175, 55, 0.3);
    }
    50% {
        box-shadow: 0 0 20px rgba(212, 175, 55, 0.6);
    }
}

.animate-glow {
    animation: glow-pulse 2s ease-in-out infinite;
}

/* Floating animation for decorative elements */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
}

/* Shine effect for buttons and important elements */
@keyframes shine {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.5s;
}

.btn-primary:hover::after {
    animation: shine 0.6s;
}

/* Particles effect */
@keyframes particles {
    0% {
        opacity: 0;
        transform: translateY(0) scale(0);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translateY(-100px) scale(1);
    }
}

/* Smooth reveal for sections */
@keyframes reveal-section {
    from {
        opacity: 0;
        transform: translateY(50px);
        filter: blur(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

/* Text gradient animation */
@keyframes gradient-text {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.hero-title .highlight {
    background: linear-gradient(
        45deg,
        #D4AF37,
        #FFD700,
        #F4C430,
        #D4AF37
    );
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-text 3s ease infinite;
}

/* Hexagon tech decoration pulse */
@keyframes hex-pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.section-header::before {
    animation: hex-pulse 2s ease-in-out infinite;
}