/* ============================================
   Fontes Tech Landing Page Styles
   ============================================ */

/* CSS Custom Properties - Color Palette */
:root {
    /* Gradient Colors (from logo) */
    --color-cyan: #00D4FF;
    --color-purple: #9D00FF;
    
    /* Neutral Colors */
    --color-bg-dark: #0A0A0A;
    --color-bg-secondary: #1A1A1A;
    --color-bg-card: #161616;
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #B0B0B0;
    --color-text-muted: #666666;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
}

/* ============================================
   Reset & Base Styles
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--color-bg-dark);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
}

/* ============================================
   Utility Classes
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   Header & Navigation
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
    z-index: 1000;
    transition: var(--transition-normal);
}

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

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    min-height: 70px;
}

.nav-logo .logo-img {
    height: 40px;
    width: auto;
    transition: var(--transition-normal);
}

.nav-logo:hover .logo-img {
    filter: drop-shadow(0 0 10px var(--color-cyan));
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--color-text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-cyan), var(--color-purple));
    transition: var(--transition-normal);
}

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

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

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-fast);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: fadeInLeft 0.8s ease-out;
}

.hero-title {
    background: linear-gradient(135deg, var(--color-cyan), var(--color-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.hero-subtitle strong {
    color: var(--color-cyan);
    font-weight: 600;
}

.hero-highlight {
    font-size: clamp(0.95rem, 1.8vw, 1.1rem);
    color: var(--color-text-primary);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(157, 0, 255, 0.1));
    border-left: 3px solid var(--color-cyan);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.hero-highlight strong {
    color: var(--color-cyan);
    font-weight: 600;
}

.hero-badges {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-cyan);
    transition: var(--transition-fast);
}

.badge:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: var(--color-cyan);
    transform: translateY(-2px);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 0.8s ease-out;
}

.hero-logo {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 0 30px rgba(0, 212, 255, 0.3));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-cyan), var(--color-purple));
    color: var(--color-text-primary);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--color-text-primary);
    border: 2px solid var(--color-cyan);
}

.btn-outline:hover {
    background: var(--color-cyan);
    color: var(--color-bg-dark);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

/* ============================================
   Services Section
   ============================================ */

.services {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(250px, 350px));
    gap: var(--spacing-lg);
    justify-content: center;
    
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
        max-width: 350px;
        margin: 0 auto;
    }
}

.service-card {
    background: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: var(--transition-normal);
    cursor: default;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-cyan);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-cyan), var(--color-purple));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.service-icon svg {
    width: 30px;
    height: 30px;
    color: var(--color-text-primary);
}

.service-title {
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================================
   About Section
   ============================================ */

.about {
    padding: var(--spacing-2xl) 0;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

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

.about-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-cyan), var(--color-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-xs);
}

/* ============================================
   Contact Section
   ============================================ */

.contact {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg-secondary);
}

.value-box {
    max-width: 800px;
    margin: var(--spacing-lg) auto;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(157, 0, 255, 0.05));
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    backdrop-filter: blur(10px);
}

.value-box-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-cyan), var(--color-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.value-box-content p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    font-size: 1.05rem;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.info-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.info-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-cyan), var(--color-purple));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-text-primary);
}

.info-content h3 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.125rem;
}

.info-content p {
    color: var(--color-text-secondary);
}

/* ============================================
   Contact Form
   ============================================ */

.contact-form {
    background: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 212, 255, 0.1);
}

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

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-text-primary);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--color-bg-secondary);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-cyan);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--color-bg-dark);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

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

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-logo {
    /* height: 40px; */
    width: auto;
}

.footer-description {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.footer-title {
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
}

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

.footer-menu li {
    margin-bottom: var(--spacing-xs);
}

.footer-menu a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-menu a:hover {
    color: var(--color-cyan);
}

.footer-contact p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(0, 212, 255, 0.1);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ============================================
   WhatsApp FAB
   ============================================ */

.whatsapp-fab {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition-normal);
    animation: pulse-whatsapp 2s ease-in-out infinite;
}

.whatsapp-fab:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-fab svg {
    width: 32px;
    height: 32px;
    color: white;
}

@keyframes pulse-whatsapp {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7);
    }
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--color-bg-dark);
        flex-direction: column;
        padding: var(--spacing-lg);
        transition: var(--transition-normal);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
    }
    
    .hero-image {
        order: -1;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .whatsapp-fab {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
    
    .whatsapp-fab svg {
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 2rem;
        --spacing-xl: 2.5rem;
        --spacing-2xl: 3rem;
    }
    
    .hero {
        padding-top: 60px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}