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

:root {
    /* Dracula Theme Colors - Suavizadas */
    --bg-primary: #282a36;
    --bg-secondary: #21222c;
    --bg-tertiary: #1a1b26;
    --text-primary: #f8f8f2;
    --text-secondary: #a8b2d1;
    /* Belko Brand Colors */
    --brand-yellow: #E4F34D;
    --brand-pink: #E63572;
    --accent-cyan: #06b6d4;
    --accent-purple: #a855f7;
    --accent-green: #10b981;
    --accent-orange: #f59e0b;
    
    /* Typography */
    --font-mono: 'Fira Code', monospace;
    --font-sans: 'Inter', sans-serif;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 100px 0;
    --border-radius: 16px;
    --border-radius-small: 8px;
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-smooth: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Shadows */
    --shadow-small: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.2);
    --shadow-large: 0 20px 60px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 30px rgba(255, 121, 198, 0.3);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Decorative Diagonal Stripes */
.diagonal-stripes {
    position: absolute;
    pointer-events: none;
    z-index: 0;
}

.diagonal-stripes::before,
.diagonal-stripes::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 100px;
    background: var(--brand-yellow);
    opacity: 0.15;
}

.diagonal-stripes::before {
    transform: rotate(45deg);
}

.diagonal-stripes::after {
    transform: rotate(45deg);
    margin-left: 15px;
    background: var(--brand-pink);
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(40, 42, 54, 0.85);
    backdrop-filter: blur(20px);
    transition: var(--transition-smooth);
    border-bottom: 1px solid rgba(139, 233, 253, 0.1);
}

.header.scrolled {
    background: rgba(33, 34, 44, 0.95);
    box-shadow: var(--shadow-medium);
    backdrop-filter: blur(25px);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.logo {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0;
    transition: var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: -1px;
}

.logo-image {
    height: 50px;
    width: auto;
    transition: var(--transition-fast);
}

.logo:hover .logo-image {
    transform: scale(1.05);
    filter: brightness(1.1);
}

.logo .brand-name {
    color: var(--brand-yellow);
}

.logo .brand-dev {
    color: var(--brand-pink);
}

.logo i {
    display: none;
}

.logo:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--brand-yellow);
    transition: var(--transition-fast);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    background: transparent;
    border: none;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition-fast);
    display: block;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-tertiary) 100%);
    padding: 120px 0 80px 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 15%;
    right: 10%;
    width: 6px;
    height: 150px;
    background: linear-gradient(45deg, var(--brand-yellow), var(--brand-pink));
    transform: rotate(45deg);
    opacity: 0.2;
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 20%;
    left: 8%;
    width: 6px;
    height: 120px;
    background: linear-gradient(135deg, var(--brand-pink), var(--brand-yellow));
    transform: rotate(-45deg);
    opacity: 0.2;
    z-index: 1;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(228, 243, 77, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(230, 53, 114, 0.05) 0%, transparent 50%);
    z-index: 1;
}

#particles-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-content {
    text-align: center;
    z-index: 2;
    max-width: 900px;
    padding: clamp(2rem, 4vh, 3rem) 2rem;
    animation: fadeInUp 1s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    border: none;
    padding: 0;
    font-size: clamp(0.7rem, 1.5vw, 0.85rem);
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: clamp(1rem, 2vh, 1.5rem);
    text-transform: uppercase;
    letter-spacing: 2px;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-badge i {
    color: var(--brand-yellow);
    font-size: 0.9rem;
}

.hero-title {
    font-family: var(--font-mono);
    font-size: clamp(1.5rem, 4vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 1.2rem;
    line-height: 1.15;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.title-line {
    display: block;
}

.highlight {
    color: var(--brand-yellow);
    position: relative;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: clamp(1.5rem, 4vw, 3rem);
    margin: 1.5rem 0 2rem 0;
    animation: fadeInUp 1s ease-out 0.6s both;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-mono);
    font-size: clamp(1.5rem, 3vw, 1.8rem);
    font-weight: 700;
    color: var(--brand-yellow);
    line-height: 1;
    margin-bottom: 0.3rem;
}

.stat-label {
    font-size: clamp(0.75rem, 1.5vw, 0.85rem);
    color: var(--text-secondary);
    margin-top: 0;
    line-height: 1.3;
}

.hero-subtitle {
    font-size: clamp(0.9rem, 2vw, 1rem);
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
    animation: fadeInUp 1s ease-out 0.8s both;
}

.cta-primary {
    background: var(--brand-yellow);
    color: var(--bg-primary);
    border: none;
    padding: 0.9rem 3.5rem 0.9rem 2.8rem;
    font-size: 0.85rem;
    font-weight: 700;
    font-family: var(--font-sans);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    animation: fadeInUp 1s ease-out 1s both;
    box-shadow: 0 4px 15px rgba(228, 243, 77, 0.3);
}

.cta-primary i {
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
}

.cta-primary::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 50%;
    width: 3px;
    height: 24px;
    background: var(--bg-primary);
    transform: translateY(-50%) rotate(20deg);
    opacity: 0.3;
}

.cta-primary::after {
    content: '';
    position: absolute;
    left: 17px;
    top: 50%;
    width: 3px;
    height: 24px;
    background: var(--bg-primary);
    transform: translateY(-50%) rotate(20deg);
    opacity: 0.3;
}

.cta-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: var(--transition-smooth);
}

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

.cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(228, 243, 77, 0.5);
    background: #f0f76f;
}

.scroll-indicator {
    display: none;
}

.scroll-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.scroll-arrow {
    width: 2px;
    height: 30px;
    background: var(--brand-yellow);
    position: relative;
    animation: bounce 2s infinite;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -4px;
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--brand-yellow);
    border-bottom: 2px solid var(--brand-yellow);
    transform: rotate(45deg);
}

/* Section Badge */
.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    border: none;
    padding: 0 0 0 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
}

.section-badge::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 3px;
    height: 20px;
    background: var(--brand-yellow);
    transform: translateY(-50%) rotate(20deg);
}

.section-badge::after {
    content: '';
    position: absolute;
    left: 8px;
    top: 50%;
    width: 3px;
    height: 20px;
    background: var(--brand-pink);
    transform: translateY(-50%) rotate(20deg);
}

.section-badge i {
    color: var(--brand-pink);
    font-size: 0.85rem;
}

.highlight-text {
    color: var(--brand-yellow);
}

/* About Section */
.about {
    padding: var(--section-padding);
    background: var(--bg-secondary);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 10%;
    right: 5%;
    width: 5px;
    height: 100px;
    background: var(--brand-yellow);
    transform: rotate(45deg);
    opacity: 0.15;
    pointer-events: none;
}

.about::after {
    content: '';
    position: absolute;
    bottom: 15%;
    left: 3%;
    width: 5px;
    height: 130px;
    background: var(--brand-pink);
    transform: rotate(-45deg);
    opacity: 0.15;
    pointer-events: none;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.section-title {
    font-family: var(--font-mono);
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    line-height: 1.3;
}

.about-description {
    font-size: 1rem;
    margin-bottom: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.about-description strong {
    color: var(--brand-yellow);
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: 3rem 0;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(139, 233, 253, 0.05);
    border-radius: var(--border-radius-small);
    border: 1px solid rgba(139, 233, 253, 0.1);
    transition: var(--transition-fast);
}

.highlight-item:hover {
    background: rgba(139, 233, 253, 0.1);
    border-color: rgba(139, 233, 253, 0.3);
    transform: translateX(10px);
}

.highlight-item i {
    color: var(--brand-yellow);
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.cta-secondary {
    color: var(--brand-yellow);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
    margin-top: 1rem;
    position: relative;
}

.cta-secondary:hover {
    color: var(--brand-pink);
    transform: translateX(5px);
}

.cta-underline {
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--brand-pink);
    transition: var(--transition-fast);
}

.cta-secondary:hover .cta-underline {
    width: 100%;
}

.about-visual {
    position: relative;
}

.visual-container {
    position: relative;
    width: 100%;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.floating-card {
    position: absolute;
    width: 80px;
    height: 80px;
    background: rgba(139, 233, 253, 0.1);
    border: 1px solid rgba(139, 233, 253, 0.3);
    border-radius: var(--border-radius-small);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
    cursor: pointer;
}

.floating-card:hover {
    transform: scale(1.1);
    background: rgba(139, 233, 253, 0.2);
    box-shadow: var(--shadow-glow);
}

.floating-card i {
    font-size: 1.5rem;
    color: var(--brand-yellow);
}

.floating-card span {
    font-size: 0.8rem;
    font-family: var(--font-mono);
    color: var(--text-primary);
    font-weight: 500;
}

.card-1 {
    top: 20%;
    left: 10%;
    animation: float 3s ease-in-out infinite;
}

.card-2 {
    top: 10%;
    right: 15%;
    animation: float 3s ease-in-out infinite 0.5s;
}

.card-3 {
    bottom: 30%;
    left: 5%;
    animation: float 3s ease-in-out infinite 1s;
}

.card-4 {
    bottom: 20%;
    right: 10%;
    animation: float 3s ease-in-out infinite 1.5s;
}

.central-cube {
    position: relative;
    perspective: 1000px;
}

.cube {
    position: relative;
    width: 120px;
    height: 120px;
    transform-style: preserve-3d;
    animation: rotate 15s infinite linear;
}

.face {
    position: absolute;
    width: 120px;
    height: 120px;
    border: 2px solid var(--accent-cyan);
    background: rgba(139, 233, 253, 0.1);
    backdrop-filter: blur(10px);
}

.front { transform: rotateY(0deg) translateZ(60px); }
.back { transform: rotateY(180deg) translateZ(60px); }
.right { transform: rotateY(90deg) translateZ(60px); }
.left { transform: rotateY(-90deg) translateZ(60px); }
.top { transform: rotateX(90deg) translateZ(60px); }
.bottom { transform: rotateX(-90deg) translateZ(60px); }

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Technologies Section */
.technologies {
    padding: var(--section-padding);
    background: var(--bg-primary);
    position: relative;
}

.technologies::before {
    content: '';
    position: absolute;
    top: 15%;
    right: 6%;
    width: 5px;
    height: 120px;
    background: var(--brand-pink);
    transform: rotate(45deg);
    opacity: 0.15;
    pointer-events: none;
}

.technologies::after {
    content: '';
    position: absolute;
    bottom: 20%;
    left: 5%;
    width: 5px;
    height: 100px;
    background: var(--brand-yellow);
    transform: rotate(-45deg);
    opacity: 0.15;
    pointer-events: none;
}

.tech-narrative {
    max-width: 800px;
    margin: 0 auto;
}

.narrative-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 1.8rem;
    text-align: justify;
}

.narrative-text strong {
    color: var(--brand-yellow);
    font-weight: 600;
}

.tech-stats-row {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(228, 243, 77, 0.2);
    flex-wrap: wrap;
}

.tech-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.tech-stat-number {
    font-family: var(--font-mono);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--brand-yellow);
    line-height: 1;
}

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

/* Solutions Section */
.solutions {
    padding: var(--section-padding);
    background: var(--bg-secondary);
    position: relative;
}

.solutions::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 2%;
    width: 5px;
    height: 140px;
    background: linear-gradient(to bottom, var(--brand-yellow), var(--brand-pink));
    transform: rotate(45deg);
    opacity: 0.12;
    pointer-events: none;
}

.solutions::after {
    content: '';
    position: absolute;
    bottom: 10%;
    right: 4%;
    width: 5px;
    height: 110px;
    background: linear-gradient(to bottom, var(--brand-pink), var(--brand-yellow));
    transform: rotate(-45deg);
    opacity: 0.12;
    pointer-events: none;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.solution-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 2rem;
    border: 1px solid rgba(139, 233, 253, 0.2);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--brand-pink);
    transform: scaleX(0);
    transition: var(--transition-fast);
}

.solution-card:hover::before {
    transform: scaleX(1);
}

.solution-card:hover {
    transform: translateY(-10px);
    border-color: var(--brand-pink);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.solution-icon {
    width: 60px;
    height: 60px;
    background: rgba(230, 53, 114, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: var(--brand-pink);
    border: 1px solid rgba(230, 53, 114, 0.3);
}

.solution-card h3 {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.solution-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.9rem;
    margin-bottom: 1.2rem;
}

.solution-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
}

.solution-tech span {
    background: transparent;
    border: 1px solid rgba(228, 243, 77, 0.3);
    color: var(--brand-yellow);
    padding: 0.3rem 0.7rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.solution-tech span:hover {
    background: rgba(228, 243, 77, 0.1);
    border-color: var(--brand-yellow);
}

/* Security Section */
.security {
    padding: var(--section-padding);
    background: var(--bg-primary);
}

.security-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.security-description {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1.2rem;
    line-height: 1.7;
}

.security-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(139, 233, 253, 0.05);
    border-radius: var(--border-radius-small);
    border: 1px solid rgba(139, 233, 253, 0.1);
    transition: var(--transition-fast);
}

.feature:hover {
    background: rgba(139, 233, 253, 0.1);
    border-color: rgba(139, 233, 253, 0.3);
    transform: translateX(10px);
}

.feature i {
    color: var(--accent-green);
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.diagram-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    padding: 3rem 2rem;
    position: relative;
    flex-wrap: wrap;
}

.security-flow {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    transform: translateY(-50%);
    z-index: 1;
}

.flow-line {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-pink));
    animation: flow 2s ease-in-out infinite;
}

.flow-line:nth-child(1) {
    left: 0;
    right: 50%;
    animation-delay: 0s;
}

.flow-line:nth-child(2) {
    left: 50%;
    right: 0;
    animation-delay: 1s;
}

.diagram-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.step-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    position: relative;
    transition: var(--transition-fast);
    z-index: 2;
    backdrop-filter: blur(10px);
}

.step-icon.user {
    background: linear-gradient(135deg, var(--brand-yellow), var(--brand-pink));
    color: var(--bg-primary);
}

.step-icon.login {
    background: linear-gradient(135deg, var(--brand-pink), var(--brand-yellow));
    color: var(--bg-primary);
}

.step-icon.database {
    background: linear-gradient(135deg, var(--brand-pink), var(--brand-yellow));
    color: var(--bg-primary);
}

.step-icon:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.step-label {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-align: center;
}

.diagram-arrow {
    color: var(--brand-pink);
    font-size: 1.5rem;
    animation: pulse 2s infinite;
}

/* Contact Section */
.contact {
    padding: var(--section-padding);
    background: var(--bg-primary);
}

.contact-content {
    display: flex;
    flex-direction: column;
    gap: 4rem;
    max-width: 800px;
    margin: 0 auto;
}

.contact-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1.2rem 1rem;
    background: var(--bg-secondary);
    border: 2px solid rgba(139, 233, 253, 0.2);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
    resize: vertical;
    position: relative;
}

.form-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--brand-pink);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--brand-yellow);
    box-shadow: 0 0 0 3px rgba(228, 243, 77, 0.1);
}

.form-group input:focus + label + .form-line,
.form-group textarea:focus + label + .form-line,
.form-group input:valid + label + .form-line,
.form-group textarea:valid + label + .form-line {
    width: 100%;
}

.form-group label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    pointer-events: none;
}

.form-group input:valid + label,
.form-group textarea:valid + label {
    top: -0.5rem;
    left: 0.5rem;
    font-size: 0.8rem;
    color: var(--brand-yellow);
    background: var(--bg-primary);
    padding: 0 0.5rem;
}

.form-group input:focus + label,
.form-group textarea:focus + label {
    top: -0.5rem;
    left: 0.5rem;
    font-size: 0.8rem;
    color: var(--brand-yellow);
    background: var(--bg-primary);
    padding: 0 0.5rem;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid rgba(139, 233, 253, 0.2);
    transition: var(--transition-fast);
}

.contact-item:hover {
    border-color: var(--brand-pink);
    transform: translateX(10px);
    box-shadow: var(--shadow-medium);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(230, 53, 114, 0.1);
    border: 1px solid rgba(230, 53, 114, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.2rem;
    color: var(--brand-pink);
}

.contact-details h4 {
    font-family: var(--font-mono);
    color: var(--brand-yellow);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

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

.contact-details a:hover {
    color: var(--brand-yellow);
}

.contact-item.company .contact-details p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0.25rem 0;
}

.social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.social-link {
    width: 50px;
    height: 50px;
    background: rgba(228, 243, 77, 0.1);
    border: 1px solid rgba(228, 243, 77, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-yellow);
    text-decoration: none;
    transition: var(--transition-fast);
}

.social-link:hover {
    background: rgba(230, 53, 114, 0.2);
    color: var(--brand-pink);
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(230, 53, 114, 0.3);
}

/* Footer */
.footer {
    background: var(--bg-tertiary);
    padding: 3rem 0 2rem;
    border-top: 1px solid rgba(139, 233, 253, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.footer-brand {
    text-align: left;
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-brand .logo-image {
    height: 45px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-style: italic;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

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

.footer-links a:hover {
    color: var(--brand-yellow);
}

.footer-info {
    text-align: right;
}

.footer-info p {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin: 0.25rem 0;
}

.footer-info i {
    color: var(--brand-pink);
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    pointer-events: none;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
}

.loading-logo {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 600;
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.loading-logo i {
    color: var(--accent-pink);
    animation: spin 2s linear infinite;
}

.loading-bar {
    width: 200px;
    height: 4px;
    background: rgba(139, 233, 253, 0.2);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto 1rem;
}

.loading-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-pink), var(--accent-cyan));
    border-radius: 2px;
    animation: loading 2s ease-in-out;
}

.loading-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-family: var(--font-mono);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes glow {
    from {
        text-shadow: 0 0 10px rgba(255, 121, 198, 0.5);
    }
    to {
        text-shadow: 0 0 20px rgba(255, 121, 198, 0.8);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

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

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes textGlow {
    from {
        text-shadow: 0 0 10px rgba(255, 121, 198, 0.5);
    }
    to {
        text-shadow: 0 0 20px rgba(255, 121, 198, 0.8);
    }
}

@keyframes flow {
    0% {
        opacity: 0;
        transform: scaleX(0);
    }
    50% {
        opacity: 1;
        transform: scaleX(1);
    }
    100% {
        opacity: 0;
        transform: scaleX(0);
    }
}

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

@keyframes loading {
    0% {
        width: 0%;
    }
    100% {
        width: 100%;
    }
}

/* Scroll Animations */
.fade-in {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s ease;
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        max-width: 800px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-secondary);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 2rem;
        transition: var(--transition-smooth);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .hero {
        padding: 100px 0 60px 0;
    }
    
    .hero-content {
        max-width: 100%;
        padding: 2rem 1.5rem;
    }

    .hero-stats {
        gap: 1.5rem;
        margin: 1.5rem 0;
    }

    .stat {
        min-width: 100px;
    }

    .narrative-text {
        font-size: 1rem;
        text-align: left;
    }
    
    .tech-stats-row {
        gap: 2rem;
    }
    
    .tech-stat-number {
        font-size: 1.8rem;
    }

    .diagram-container {
        flex-direction: column;
        gap: 1rem;
        padding: 2rem 1rem;
    }

    .diagram-arrow {
        transform: rotate(90deg);
    }

    .cube-container {
        height: 300px;
    }

    .cube {
        width: 150px;
        height: 150px;
    }

    .face {
        width: 150px;
        height: 150px;
    }

    .front { transform: rotateY(0deg) translateZ(75px); }
    .back { transform: rotateY(180deg) translateZ(75px); }
    .right { transform: rotateY(90deg) translateZ(75px); }
    .left { transform: rotateY(-90deg) translateZ(75px); }
    .top { transform: rotateX(90deg) translateZ(75px); }
    .bottom { transform: rotateX(-90deg) translateZ(75px); }
    
    .section-title {
        font-size: 1.8rem;
        line-height: 1.2;
    }
    
    .section-subtitle {
        font-size: 0.95rem;
    }
    
    /* Footer Tablet */
    .footer-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }
    
    .footer-brand {
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .footer-brand .logo {
        display: flex;
        justify-content: center;
        width: 100%;
    }
    
    .footer-links {
        display: none;
    }
    
    .footer-info {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .nav {
        padding: 0.8rem 1rem;
    }

    .logo-image {
        height: 38px;
    }

    .hero {
        padding: 90px 0 50px 0;
    }

    .hero-content {
        padding: 1.5rem 1rem;
    }
    
    .hero-badge {
        font-size: 0.7rem;
        margin-bottom: 0.8rem;
    }

    .hero-title {
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        margin-bottom: 1.5rem;
    }

    .hero-stats {
        gap: 1rem;
        margin: 1.2rem 0 1.5rem 0;
    }
    
    .stat {
        min-width: 90px;
    }

    .cta-primary {
        padding: 0.8rem 1.8rem;
        font-size: 0.75rem;
    }

    .section-title {
        font-size: 1.6rem;
        line-height: 1.2;
    }
    
    .section-subtitle {
        font-size: 0.9rem;
    }

    .experience-card {
        padding: 1.5rem;
    }

    .contact-item {
        padding: 1rem;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .narrative-text {
        font-size: 0.95rem;
    }
    
    .tech-stats-row {
        gap: 1.5rem;
        padding-top: 2rem;
        margin-top: 2rem;
    }
    
    .tech-stat-number {
        font-size: 1.6rem;
    }
    
    /* Footer Mobile */
    .footer {
        padding: 2rem 0 1.5rem;
    }
    
    .footer-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }
    
    .footer-brand {
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .footer-brand .logo {
        display: flex;
        justify-content: center;
        width: 100%;
    }
    
    .footer-brand .logo-image {
        height: 35px;
    }
    
    .footer-brand p {
        font-size: 0.85rem;
    }
    
    .footer-links {
        display: none !important;
    }
    
    .footer-info {
        text-align: center;
    }
    
    .footer-info p {
        font-size: 0.75rem;
    }
}