/* ========================================
   FÓRMULA ONLINE LTD. - DARK MODE STYLESHEET
   Design: Dark Futuristic & Professional
   ======================================== */

/* ========================================
   RESET & BASE
   ======================================== */

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

:root {
    /* Dark Colors */
    --black-deep: #0A0A0A;
    --black-soft: #111111;
    --gray-dark: #1A1A1A;
    --gray-medium: #2A2A2A;
    --gray-border: #333333;
    --gray-text: #AAAAAA;
    --gray-light: #CCCCCC;
    --white: #FFFFFF;
    --blue-accent: #4A83FF;
    --blue-glow: rgba(74, 131, 255, 0.2);
    --purple-accent: #8B5CF6;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', var(--font-primary);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-xxl: 8rem;
    
    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
}

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

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-light);
    background-color: var(--black-deep);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--white);
}

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

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

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-border);
    transition: var(--transition-smooth);
}

.header.scrolled {
    box-shadow: 0 2px 30px rgba(74, 131, 255, 0.1);
    border-bottom-color: var(--blue-accent);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--white);
    letter-spacing: -0.02em;
    position: relative;
}

.logo::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--blue-accent), var(--purple-accent));
    transition: width 0.3s ease;
}

.logo:hover::after {
    width: 100%;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    list-style: none;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-text);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--blue-accent);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--white);
}

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

.btn-contact {
    padding: 0.5rem 1.25rem;
    background: var(--gray-medium);
    border-radius: 8px;
    color: var(--white);
    border: 1px solid var(--gray-border);
}

.btn-contact:hover {
    background: var(--blue-accent);
    border-color: var(--blue-accent);
    box-shadow: 0 0 20px var(--blue-glow);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: var(--transition-fast);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
    background: radial-gradient(ellipse at center top, rgba(74, 131, 255, 0.15) 0%, var(--black-deep) 60%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    opacity: 0.6;
}

#particlesCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-lg) 0;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    color: var(--white);
}

.gradient-text {
    background: linear-gradient(135deg, var(--blue-accent) 0%, var(--purple-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { filter: hue-rotate(0deg); }
    50% { filter: hue-rotate(20deg); }
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: var(--gray-text);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: var(--spacing-lg);
    font-size: 0.95rem;
}

.hero-company {
    font-weight: 600;
    color: var(--white);
}

.hero-tagline {
    color: var(--gray-text);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-family: var(--font-primary);
    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: linear-gradient(135deg, var(--blue-accent) 0%, var(--purple-accent) 100%);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(74, 131, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(74, 131, 255, 0.5);
}

.btn-secondary {
    background: var(--gray-medium);
    color: var(--white);
    border: 1px solid var(--gray-border);
}

.btn-secondary:hover {
    background: var(--gray-dark);
    border-color: var(--blue-accent);
    box-shadow: 0 0 20px var(--blue-glow);
}

.btn-full {
    width: 100%;
}

/* ========================================
   SCROLL INDICATOR
   ======================================== */

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.scroll-line {
    width: 2px;
    height: 60px;
    background: linear-gradient(to bottom, var(--blue-accent) 0%, transparent 100%);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(10px); }
}

/* ========================================
   ANIMATIONS
   ======================================== */

.animate-fade-in {
    animation: fadeIn 1s ease-out forwards;
    opacity: 0;
}

.animate-fade-in-delay {
    animation: fadeIn 1s ease-out 0.3s forwards;
    opacity: 0;
}

.animate-fade-in-delay-2 {
    animation: fadeIn 1s ease-out 0.6s forwards;
    opacity: 0;
}

.animate-fade-in-delay-3 {
    animation: fadeIn 1s ease-out 0.9s forwards;
    opacity: 0;
}

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

/* ========================================
   SECTIONS
   ======================================== */

section {
    padding: var(--spacing-xxl) 0;
    position: relative;
}

section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 100px;
    background: linear-gradient(to bottom, transparent, var(--blue-accent), transparent);
    opacity: 0.3;
}

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

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
    color: var(--white);
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--gray-text);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   ABOUT SECTION
   ======================================== */

.about {
    background: var(--black-soft);
}

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

.about-text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.about-paragraph {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--gray-text);
}

.about-mission {
    margin-top: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--gray-dark);
    border-radius: 16px;
    border: 1px solid var(--gray-border);
    position: relative;
    overflow: hidden;
}

.about-mission::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--blue-accent), var(--purple-accent));
}

.about-mission-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.about-mission-text {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--gray-text);
}

/* ========================================
   PURPOSE SECTION
   ======================================== */

.purpose {
    background: var(--black-deep);
}

.purpose-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.purpose-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
    color: var(--white);
}

.purpose-intro,
.purpose-vision {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--gray-text);
    margin-bottom: var(--spacing-sm);
}

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

.pillar-card {
    background: var(--gray-dark);
    padding: var(--spacing-lg);
    border-radius: 16px;
    border: 1px solid var(--gray-border);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.pillar-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--blue-glow) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

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

.pillar-card:hover {
    transform: translateY(-8px);
    border-color: var(--blue-accent);
    box-shadow: 0 12px 40px rgba(74, 131, 255, 0.2);
}

.pillar-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-medium);
    border-radius: 12px;
    margin-bottom: var(--spacing-md);
    color: var(--blue-accent);
    position: relative;
    z-index: 1;
}

.pillar-title {
    font-size: 1.35rem;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
    position: relative;
    z-index: 1;
}

.pillar-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-text);
    position: relative;
    z-index: 1;
}

.purpose-footer {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--gray-dark);
    border-radius: 16px;
    border: 1px solid var(--gray-border);
}

.purpose-statement {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--gray-light);
}

/* ========================================
   SERVICES SECTION
   ======================================== */

.services {
    background: var(--black-soft);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: var(--gray-dark);
    padding: var(--spacing-lg);
    border-radius: 16px;
    border: 1px solid var(--gray-border);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--blue-glow) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

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

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--blue-accent);
    box-shadow: 0 12px 40px rgba(74, 131, 255, 0.2);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-medium);
    border-radius: 12px;
    margin-bottom: var(--spacing-md);
    color: var(--blue-accent);
    position: relative;
    z-index: 1;
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
    position: relative;
    z-index: 1;
}

.service-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-text);
    position: relative;
    z-index: 1;
}

/* ========================================
   PROJECTS SECTION
   ======================================== */

.projects {
    background: var(--black-deep);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.project-card {
    background: var(--gray-dark);
    border-radius: 16px;
    border: 1px solid var(--gray-border);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--blue-accent);
    box-shadow: 0 12px 40px rgba(74, 131, 255, 0.2);
}

.project-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
    background: var(--gray-medium);
    position: relative;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--gray-medium) 0%, var(--gray-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-content {
    padding: var(--spacing-md);
}

.project-title {
    font-size: 1.35rem;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.project-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-text);
    margin-bottom: var(--spacing-md);
}

.project-tag {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--gray-medium);
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--blue-accent);
    border: 1px solid var(--gray-border);
}

/* ========================================
   TECHNOLOGY SECTION
   ======================================== */

.technology {
    background: var(--black-soft);
}

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

.tech-card {
    background: var(--gray-dark);
    padding: var(--spacing-lg);
    border-radius: 16px;
    border: 1px solid var(--gray-border);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.tech-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

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

.tech-card:hover {
    transform: translateY(-8px);
    border-color: var(--purple-accent);
    box-shadow: 0 12px 40px rgba(139, 92, 246, 0.2);
}

.tech-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-medium);
    border-radius: 12px;
    margin-bottom: var(--spacing-md);
    color: var(--purple-accent);
    position: relative;
    z-index: 1;
}

.tech-title {
    font-size: 1.35rem;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
    position: relative;
    z-index: 1;
}

.tech-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-text);
    position: relative;
    z-index: 1;
}

/* ========================================
   CONTACT SECTION
   ======================================== */

.contact {
    background: var(--black-deep);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1100px;
    margin: 0 auto;
}

.contact-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.contact-subtitle {
    font-size: 1.15rem;
    line-height: 1.7;
    color: var(--gray-text);
    margin-bottom: var(--spacing-lg);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-item {
    display: flex;
    gap: var(--spacing-sm);
}

.contact-item-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-medium);
    border-radius: 8px;
    flex-shrink: 0;
    color: var(--blue-accent);
}

.contact-item-content h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--white);
}

.contact-item-content p {
    font-size: 0.95rem;
    color: var(--gray-text);
    line-height: 1.6;
}

.contact-item-content a {
    color: var(--blue-accent);
}

.contact-item-content a:hover {
    text-decoration: underline;
}

.contact-claims {
    padding: var(--spacing-md);
    background: var(--gray-dark);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    border: 1px solid var(--gray-border);
}

.contact-claims p {
    font-size: 0.95rem;
    color: var(--gray-text);
    font-style: italic;
}

.contact-form-wrapper {
    background: var(--gray-dark);
    padding: var(--spacing-lg);
    border-radius: 16px;
    border: 1px solid var(--gray-border);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--white);
}

.form-group input,
.form-group textarea {
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-family: var(--font-primary);
    border: 1px solid var(--gray-border);
    border-radius: 8px;
    background: var(--gray-medium);
    color: var(--white);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue-accent);
    box-shadow: 0 0 0 3px var(--blue-glow);
}

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

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background: var(--black-soft);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid var(--gray-border);
}

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

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--white);
}

.footer-tagline {
    margin-top: var(--spacing-sm);
    font-size: 0.95rem;
    color: var(--gray-text);
}

.footer-links {
    display: flex;
    gap: var(--spacing-xl);
}

.footer-column h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.footer-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-column a {
    font-size: 0.95rem;
    color: var(--gray-text);
}

.footer-column a:hover {
    color: var(--blue-accent);
}

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

.footer-company-info {
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-company-info p {
    font-size: 0.9rem;
    color: var(--gray-text);
}

.footer-company-name {
    font-size: 1rem !important;
    color: var(--white) !important;
}

.footer-cnpj {
    font-size: 0.85rem;
    color: var(--gray-text);
}

.footer-location {
    font-size: 0.85rem;
    color: var(--gray-text);
}

.footer-year {
    font-size: 0.85rem;
    color: var(--blue-accent);
}

.footer-copyright {
    font-size: 0.85rem;
    color: var(--gray-text);
}

/* ========================================
   WHATSAPP BUTTON
   ======================================== */

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    animation: pulse 2s ease-in-out infinite;
}

.whatsapp-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    border-radius: 50%;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: var(--transition-smooth);
    cursor: pointer;
}

.whatsapp-button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
    background: #20BA5A;
}

.whatsapp-button svg {
    width: 32px;
    height: 32px;
    fill: white;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.8);
    }
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        padding: 2rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-smooth);
        border-bottom: 1px solid var(--gray-border);
    }
    
    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 1.5rem;
        align-items: flex-start;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    section {
        padding: var(--spacing-lg) 0;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .services-grid,
    .projects-grid,
    .tech-grid,
    .pillars-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
    }
    
    .whatsapp-button {
        width: 56px;
        height: 56px;
    }
    
    .whatsapp-button svg {
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .header-content {
        height: 70px;
    }
    
    .hero {
        padding-top: 70px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .project-card {
        min-width: 100%;
    }
}

/* ========================================
   SMOOTH TRANSITIONS
   ======================================== */

* {
    transition-property: background-color, border-color, color, fill, stroke, opacity, box-shadow, transform;
    transition-duration: 0.3s;
    transition-timing-function: ease;
}

button, a, input, textarea {
    transition-duration: 0.2s;
}


/* ========================================
   SOCIAL CONNECT SECTION (TECHNOLOGICAL)
   ======================================== */

.social-connect {
    background: var(--black-soft);
    position: relative;
    overflow: hidden;
}

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

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

.social-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    max-width: 760px;
    margin: 0 auto;
}

/* Founder Card */
.founder-card {
    background: var(--gray-dark);
    border-radius: 20px;
    border: 1px solid var(--gray-border);
    padding: var(--spacing-lg);
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.founder-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(74, 131, 255, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.founder-card:hover {
    transform: translateY(-8px);
    border-color: var(--blue-accent);
    box-shadow: 0 20px 60px rgba(74, 131, 255, 0.3);
}

.founder-image-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.founder-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(20%) contrast(1.1);
    transition: var(--transition-smooth);
}

.founder-card:hover .founder-image {
    filter: grayscale(0%) contrast(1.2);
    transform: scale(1.05);
}

.scan-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--blue-accent), transparent);
    animation: scan 3s ease-in-out infinite;
    z-index: 2;
    box-shadow: 0 0 20px var(--blue-accent);
}

@keyframes scan {
    0%, 100% { top: 0; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

.founder-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(74, 131, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--white);
    z-index: 3;
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: pulse 2s ease-in-out infinite;
}

.founder-badge svg {
    width: 16px;
    height: 16px;
}

.founder-info {
    position: relative;
    z-index: 1;
}

.founder-name {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    color: var(--white);
    background: linear-gradient(135deg, var(--white), var(--blue-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.founder-title {
    font-size: 1rem;
    color: var(--blue-accent);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.founder-description {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--gray-text);
}

/* Social Links Container */
.social-links-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    width: 100%;
    margin: 0 auto;
}

.social-link {
    background: var(--gray-dark);
    border: 1px solid var(--gray-border);
    border-radius: 16px;
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.social-link:hover::before {
    left: 100%;
}

.social-link:hover {
    transform: translateY(-3px);
    border-color: var(--blue-accent);
}

.social-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 0;
    border-radius: 50%;
    opacity: 0;
    transition: var(--transition-smooth);
}

.social-link:hover .social-glow {
    width: 300px;
    height: 300px;
    opacity: 0.1;
}

.instagram-link:hover {
    background: linear-gradient(135deg, rgba(225, 48, 108, 0.1), rgba(193, 53, 132, 0.1));
    border-color: #E1306C;
}

.instagram-link:hover .social-glow {
    background: radial-gradient(circle, #E1306C, #C13584, #833AB4);
}

.instagram-link:hover .social-icon {
    color: #E1306C;
}

.whatsapp-link:hover {
    background: linear-gradient(135deg, rgba(37, 211, 102, 0.1), rgba(18, 140, 126, 0.1));
    border-color: #25D366;
}

.whatsapp-link:hover .social-glow {
    background: radial-gradient(circle, #25D366, #128C7E);
}

.whatsapp-link:hover .social-icon {
    color: #25D366;
}

.email-link:hover {
    background: linear-gradient(135deg, rgba(74, 131, 255, 0.1), rgba(139, 92, 246, 0.1));
    border-color: var(--blue-accent);
}

.email-link:hover .social-glow {
    background: radial-gradient(circle, var(--blue-accent), var(--purple-accent));
}

.email-link:hover .social-icon {
    color: var(--blue-accent);
}

.social-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: var(--gray-medium);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-text);
    transition: var(--transition-smooth);
    position: relative;
    z-index: 1;
}

.social-icon svg {
    width: 24px;
    height: 24px;
}

.social-content {
    flex: 1;
    position: relative;
    z-index: 1;
}

.social-content h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    color: var(--white);
    font-weight: 600;
}

.social-content p {
    font-size: 0.9rem;
    color: var(--gray-text);
}

.social-arrow {
    font-size: 1.5rem;
    color: var(--gray-text);
    transition: var(--transition-smooth);
    position: relative;
    z-index: 1;
}

.social-link:hover .social-arrow {
    color: var(--white);
    transform: translateX(5px);
}

/* Responsive */
@media (max-width: 968px) {
    .social-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .social-links-container {
        gap: var(--spacing-sm);
    }
    
    .social-link {
        padding: var(--spacing-sm);
    }
    
    .founder-card {
        padding: var(--spacing-md);
    }
}

/* ========================================
   PRELOADER STYLES
   ======================================== */

.preloader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--black-deep);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease;
}

.preloader-content {
    text-align: center;
    position: relative;
}

.loader-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150px;
    height: 150px;
    border: 2px solid transparent;
    border-top-color: var(--blue-accent);
    border-radius: 50%;
    animation: spin 1.5s linear infinite;
}

.loader-ring:nth-child(2) {
    width: 120px;
    height: 120px;
    border-top-color: var(--purple-accent);
    animation-duration: 2s;
    animation-direction: reverse;
}

.loader-ring:nth-child(3) {
    width: 90px;
    height: 90px;
    border-top-color: var(--blue-accent);
    animation-duration: 2.5s;
}

@keyframes spin {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.loader-text {
    position: relative;
    z-index: 1;
    margin-top: 200px;
}

.loading-percentage {
    font-size: 3rem;
    font-weight: 700;
    color: var(--white);
    font-family: var(--font-display);
}

.loading-status {
    font-size: 1rem;
    color: var(--gray-text);
    margin-top: 1rem;
}

/* ========================================
   TECH GRID BACKGROUND
   ======================================== */

.tech-grid-bg {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(74, 131, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(74, 131, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

/* ========================================
   GLITCH EFFECT
   ======================================== */

.glitch {
    animation: glitch 0.5s ease;
}

@keyframes glitch {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(-2px, 2px); }
    40% { transform: translate(-2px, -2px); }
    60% { transform: translate(2px, 2px); }
    80% { transform: translate(2px, -2px); }
}

/* ========================================
   CURSOR TRAIL
   ======================================== */

.cursor-trail {
    position: fixed;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--blue-accent);
    pointer-events: none;
    z-index: 9998;
    opacity: 0.6;
    box-shadow: 0 0 10px var(--blue-accent);
}

/* ========================================
   SCAN LINE EFFECT
   ======================================== */

.scan-line {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--blue-accent), transparent);
    pointer-events: none;
    z-index: 9999;
    animation: scan 3s ease-in-out;
    box-shadow: 0 0 20px var(--blue-accent);
}

/* ========================================
   FLOATING NUMBERS
   ======================================== */

.floating-numbers {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.floating-numbers span {
    position: absolute;
    font-family: 'Courier New', monospace;
    font-size: 1.5rem;
    color: var(--blue-accent);
    opacity: 0.1;
    animation: float linear infinite;
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.1;
    }
    90% {
        opacity: 0.1;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* ========================================
   NOTIFICATION SYSTEM
   ======================================== */

.notification {
    position: fixed;
    top: 100px;
    right: 30px;
    background: var(--gray-dark);
    border: 1px solid var(--gray-border);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    color: var(--white);
    font-size: 0.95rem;
    z-index: 10001;
    transform: translateX(400px);
    opacity: 0;
    transition: var(--transition-smooth);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.notification.show {
    transform: translateX(0);
    opacity: 1;
}

.notification-success {
    border-left: 4px solid #25D366;
}

.notification-error {
    border-left: 4px solid #ff4444;
}

.notification-info {
    border-left: 4px solid var(--blue-accent);
}

/* ========================================
   LOADING SPINNER
   ======================================== */

.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* ========================================
   RAINBOW ANIMATION (EASTER EGG)
   ======================================== */

@keyframes rainbow {
    0% { filter: hue-rotate(0deg); }
    100% { filter: hue-rotate(360deg); }
}


/* ========================================
   PERFORMANCE OPTIMIZATIONS
   ======================================== */

/* Reduce animations on low-end devices */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Hardware acceleration */
.project-card,
.service-card,
.tech-card,
.pillar-card,
.founder-card,
.social-link {
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* ========================================
   FOUNDER STATS & MISSION
   ======================================== */

.founder-mission {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--gray-text);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--gray-border);
    font-style: italic;
}

.founder-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-border);
}

.stat-item {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--blue-accent);
    font-family: var(--font-display);
    line-height: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--gray-text);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ========================================
   WHATSAPP BUTTON IMPROVED
   ======================================== */

.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 999;
}

/* ========================================
   PRELOADER OPTIMIZED
   ======================================== */

.preloader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--black-deep);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease;
}

.preloader-content {
    position: relative;
    width: 150px;
    height: 150px;
}

.loader-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 2px solid transparent;
    border-top-color: var(--blue-accent);
    border-radius: 50%;
    animation: spin 1.5s linear infinite;
}

.loader-ring:nth-child(1) {
    width: 120px;
    height: 120px;
}

.loader-ring:nth-child(2) {
    width: 90px;
    height: 90px;
    border-top-color: var(--purple-accent);
    animation-duration: 2s;
    animation-direction: reverse;
}

.loader-ring:nth-child(3) {
    width: 60px;
    height: 60px;
    border-top-color: var(--blue-accent);
    animation-duration: 2.5s;
}

@keyframes spin {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ========================================
   FADE IN ANIMATION (Optimized)
   ======================================== */

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   MOBILE OPTIMIZATIONS
   ======================================== */

@media (max-width: 768px) {
    /* Reduce spacing on mobile */
    :root {
        --spacing-xl: 3rem;
        --spacing-xxl: 4rem;
    }
    
    /* Optimize header */
    .header-content {
        height: 70px;
        padding: 0 1rem;
    }
    
    .logo {
        font-size: 1.1rem;
    }
    
    /* Optimize hero */
    .hero {
        min-height: 100svh; /* Use svh for mobile browsers */
        padding-top: 70px;
    }
    
    .hero-title {
        font-size: 2.25rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    /* Optimize sections */
    section {
        padding: 3rem 0;
    }
    
    .section-title {
        font-size: 1.85rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    /* Optimize founder card */
    .founder-card {
        padding: 1.5rem;
    }
    
    .founder-image-wrapper {
        margin-bottom: 1rem;
    }
    
    .founder-name {
        font-size: 1.5rem;
    }
    
    .founder-title {
        font-size: 0.9rem;
    }
    
    .founder-description,
    .founder-mission {
        font-size: 0.9rem;
    }
    
    .founder-stats {
        gap: 1rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    /* Optimize social links */
    .social-link {
        padding: 1rem;
    }
    
    .social-icon {
        width: 40px;
        height: 40px;
        min-width: 40px;
    }
    
    .social-icon svg {
        width: 20px;
        height: 20px;
    }
    
    .social-content h4 {
        font-size: 1rem;
    }
    
    .social-content p {
        font-size: 0.85rem;
    }
    
    /* Optimize WhatsApp button */
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
    }
    
    .whatsapp-button {
        width: 56px;
        height: 56px;
    }
    
    .whatsapp-button svg {
        width: 30px;
        height: 30px;
    }
    
    /* Optimize projects */
    .project-image {
        height: 200px;
    }
    
    .project-content {
        padding: 1rem;
    }
    
    .project-title {
        font-size: 1.15rem;
    }
    
    .project-description {
        font-size: 0.9rem;
    }
    
    /* Optimize cards */
    .service-card,
    .tech-card,
    .pillar-card {
        padding: 1.5rem;
    }
    
    /* Disable heavy animations on mobile */
    .scan-overlay,
    .tech-grid-bg,
    .floating-numbers,
    .cursor-trail {
        display: none;
    }
    
    /* Simplify hover effects on mobile */
    .project-card:hover,
    .service-card:hover,
    .tech-card:hover,
    .pillar-card:hover {
        transform: translateY(-4px);
    }
    
    /* Touch-friendly spacing */
    .btn {
        min-height: 48px;
        padding: 0.875rem 1.75rem;
    }
    
    .nav-link {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
}

@media (max-width: 480px) {
    /* Extra small devices */
    .container {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.65rem;
    }
    
    .founder-stats {
        gap: 0.75rem;
    }
    
    .stat-number {
        font-size: 1.35rem;
    }
    
    .whatsapp-button {
        width: 52px;
        height: 52px;
    }
    
    .whatsapp-button svg {
        width: 28px;
        height: 28px;
    }
}

/* ========================================
   LANDSCAPE MODE (Mobile)
   ======================================== */

@media (max-width: 896px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 6rem 0 4rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    section {
        padding: 2.5rem 0;
    }
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
    .header,
    .whatsapp-float,
    .preloader,
    .floating-numbers,
    .scan-line,
    .cursor-trail {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
}

/* ========================================
   HIGH CONTRAST MODE
   ======================================== */

@media (prefers-contrast: high) {
    :root {
        --gray-text: #E0E0E0;
        --gray-border: #555555;
    }
    
    .btn-primary,
    .social-link:hover {
        border: 2px solid var(--white);
    }
}

/* ========================================
   DARK MODE SUPPORT (System)
   ======================================== */

@media (prefers-color-scheme: dark) {
    /* Already dark by default */
}

/* ========================================
   ACCESSIBILITY IMPROVEMENTS
   ======================================== */

/* Focus visible for keyboard navigation */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--blue-accent);
    outline-offset: 2px;
}

/* Skip to content link */
.skip-to-content {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--blue-accent);
    color: var(--white);
    padding: 0.5rem 1rem;
    z-index: 10001;
    transition: top 0.3s ease;
}

.skip-to-content:focus {
    top: 0;
}

/* Screen reader only */
.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;
}


/* ========================================
   CREATIVE EFFECTS & ANIMATIONS
   ======================================== */

/* Preloader Progress & Message */
.preloader-text {
    position: absolute;
    bottom: -80px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    width: 100%;
}

.preloader-progress {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--blue-accent);
    font-family: var(--font-display);
    margin-bottom: 0.5rem;
    letter-spacing: 2px;
}

.preloader-message {
    font-size: 0.95rem;
    color: var(--gray-text);
    font-family: var(--font-body);
    opacity: 0.8;
}

/* Float Up Animation for Numbers */
@keyframes float-up {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.1;
    }
    50% {
        opacity: 0.2;
    }
    100% {
        transform: translateY(-100vh) rotate(360deg);
        opacity: 0;
    }
}

/* Scan Line Animation */
@keyframes scan {
    0% {
        top: 0;
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        top: 100%;
        opacity: 0;
    }
}

/* Glitch Effect */
.glitch {
    position: relative;
    animation: glitch-anim 0.5s infinite;
}

@keyframes glitch-anim {
    0% {
        transform: translate(0);
    }
    20% {
        transform: translate(-2px, 2px);
    }
    40% {
        transform: translate(-2px, -2px);
    }
    60% {
        transform: translate(2px, 2px);
    }
    80% {
        transform: translate(2px, -2px);
    }
    100% {
        transform: translate(0);
    }
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch::before {
    left: 2px;
    text-shadow: -2px 0 var(--blue-accent);
    clip: rect(24px, 550px, 90px, 0);
    animation: glitch-anim-2 3s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -2px 0 var(--purple-accent);
    clip: rect(85px, 550px, 140px, 0);
    animation: glitch-anim-3 2.5s infinite linear alternate-reverse;
}

@keyframes glitch-anim-2 {
    0% {
        clip: rect(65px, 9999px, 119px, 0);
    }
    25% {
        clip: rect(48px, 9999px, 95px, 0);
    }
    50% {
        clip: rect(120px, 9999px, 140px, 0);
    }
    75% {
        clip: rect(10px, 9999px, 45px, 0);
    }
    100% {
        clip: rect(85px, 9999px, 110px, 0);
    }
}

@keyframes glitch-anim-3 {
    0% {
        clip: rect(10px, 9999px, 45px, 0);
    }
    25% {
        clip: rect(85px, 9999px, 110px, 0);
    }
    50% {
        clip: rect(48px, 9999px, 95px, 0);
    }
    75% {
        clip: rect(120px, 9999px, 140px, 0);
    }
    100% {
        clip: rect(65px, 9999px, 119px, 0);
    }
}

/* 3D Fade In Animation */
.fade-in-3d {
    opacity: 0;
    transform: translateY(50px) rotateX(10deg);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-3d.revealed {
    opacity: 1;
    transform: translateY(0) rotateX(0);
}

/* Enhanced 3D Card Tilt */
.service-card,
.project-card,
.tech-card,
.pillar-card,
.founder-card {
    transform-style: preserve-3d;
    transition: transform 0.3s ease;
}

/* Cursor Trail Dots */
.cursor-trail-dot {
    position: fixed;
    pointer-events: none;
    z-index: 9999;
}

/* Remove founder mission styles (não usado mais) */
.founder-mission {
    display: none;
}

/* Adjust stat label */
.stat-label {
    font-size: 0.8rem;
}

/* ========================================
   MOBILE OPTIMIZATIONS FOR EFFECTS
   ======================================== */

@media (max-width: 768px) {
    /* Simplify preloader on mobile */
    .preloader-progress {
        font-size: 2rem;
    }
    
    .preloader-message {
        font-size: 0.85rem;
    }
    
    /* Hide cursor trail on mobile */
    .cursor-trail-dot {
        display: none;
    }
    
    /* Simplify glitch effect on mobile */
    .glitch::before,
    .glitch::after {
        display: none;
    }
    
    /* Reduce 3D effect on mobile */
    .fade-in-3d {
        transform: translateY(30px);
    }
    
    .fade-in-3d.revealed {
        transform: translateY(0);
    }
}

/* ========================================
   TECH GRID BACKGROUND (Subtle)
   ======================================== */

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(74, 131, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(74, 131, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 1;
}

/* ========================================
   ENHANCED WHATSAPP BUTTON
   ======================================== */

.whatsapp-float {
    position: fixed;
    right: clamp(12px, 3vw, 26px);
    bottom: max(14px, calc(env(safe-area-inset-bottom) + 10px));
    z-index: 1200;
    animation: none;
    pointer-events: none;
}

.whatsapp-button {
    width: clamp(52px, 12vw, 62px);
    height: clamp(52px, 12vw, 62px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(140deg, #2AE56F 0%, #25D366 46%, #16A34A 100%);
    box-shadow: 0 10px 28px rgba(37, 211, 102, 0.38), 0 0 0 1px rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: visible;
    transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
    pointer-events: auto;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.whatsapp-button::before {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(37, 211, 102, 0.38) 0%, rgba(37, 211, 102, 0) 70%);
    z-index: -1;
    opacity: 0.85;
    animation: whatsapp-ping 2.2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

.whatsapp-button svg {
    width: clamp(26px, 5.8vw, 32px);
    height: clamp(26px, 5.8vw, 32px);
    fill: #fff;
}

.whatsapp-button:hover {
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 14px 30px rgba(37, 211, 102, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.2);
    filter: saturate(1.07);
}

.whatsapp-button:active {
    transform: scale(0.97);
}

.whatsapp-button:focus-visible {
    outline: 2px solid rgba(37, 211, 102, 0.55);
    outline-offset: 3px;
}

@keyframes whatsapp-ping {
    0% {
        transform: scale(0.95);
        opacity: 0.7;
    }
    75%, 100% {
        transform: scale(1.35);
        opacity: 0;
    }
}

@media (max-width: 768px) {
    .social-grid {
        max-width: 640px;
        gap: var(--spacing-md);
    }

    .social-link {
        border-radius: 14px;
    }
}

/* ========================================
   PERFORMANCE OPTIMIZATIONS
   ======================================== */

/* Reduce animations on low-end devices */
@media (prefers-reduced-motion: reduce) {
    .floating-numbers,
    .scan-line,
    .cursor-trail-dot,
    .glitch {
        display: none !important;
    }
    
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Hardware acceleration for smooth animations */
.preloader,
.preloader-content,
.loader-ring,
.whatsapp-button,
.service-card,
.project-card,
.tech-card,
.pillar-card {
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
}


/* ========================================
   VIDEO PRESENTATION SECTION
   ======================================== */

.video-section {
    padding: 8rem 0;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.video-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(74, 131, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(74, 131, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 1;
}

.video-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5),
                0 0 0 1px rgba(74, 131, 255, 0.1);
    background: var(--bg-secondary);
    aspect-ratio: 16 / 9;
    z-index: 2;
}

.presentation-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 10, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.video-container:hover .video-overlay {
    opacity: 1;
    pointer-events: all;
}

.play-button {
    cursor: pointer;
    transition: transform 0.3s ease;
    animation: pulse-play 2s infinite;
}

.play-button:hover {
    transform: scale(1.1);
}

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

.play-button svg circle {
    transition: all 0.3s ease;
}

.play-button:hover svg circle {
    fill: rgba(74, 131, 255, 0.4);
    stroke: rgba(74, 131, 255, 1);
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    .video-section {
        padding: 4rem 0;
    }
    
    .video-container {
        border-radius: 16px;
        margin: 0 1rem;
    }
    
    .play-button svg {
        width: 60px;
        height: 60px;
    }
}