/* ========================================
   NEBUMINDS LLC - PREMIUM LANDING PAGE
   Pure CSS | Cosmic Dark Theme
   ======================================== */

/* ========================================
   1. CSS VARIABLES (DESIGN SYSTEM)
   ======================================== */
:root {
    /* Colors */
    --bg-dark: #0b0f14;
    --bg-card: #121824;
    --bg-card-hover: #1a2332;
    --text-main: #e6e9ef;
    --text-muted: #a0a6b1;
    --accent: #4f8cff;
    --accent-hover: #6b9fff;
    --accent-soft: rgba(79, 140, 255, 0.15);
    --accent-glow: rgba(79, 140, 255, 0.3);
    --violet: #7b61ff;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #4f8cff 0%, #7b61ff 100%);
    --gradient-subtle: linear-gradient(180deg, rgba(79, 140, 255, 0.05) 0%, transparent 100%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 3rem;
    --font-size-4xl: 4rem;

    /* Effects */
    --border-radius: 14px;
    --transition: all 0.3s ease;
    --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.3);
    --shadow-card-hover: 0 20px 60px rgba(0, 0, 0, 0.4);
}

/* ========================================
   2. RESET & BASE STYLES
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   3. TYPOGRAPHY
   ======================================== */
h1,
h2,
h3,
h4 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: var(--font-size-xl);
}

p {
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

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

a:hover {
    color: var(--accent-hover);
}

/* ========================================
   4. LAYOUT UTILITIES
   ======================================== */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   5. NAVIGATION
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(11, 15, 20, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(79, 140, 255, 0.1);
    padding: var(--spacing-sm) 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-main);
}

.logo-icon {
    color: var(--accent);
    font-size: 1.5rem;
}

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

.nav-links a {
    color: var(--text-muted);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover {
    color: var(--text-main);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

/* ========================================
   6. HERO SECTION
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1200px;
    height: 1200px;
    background: radial-gradient(circle, var(--accent-glow) 0%, rgba(123, 97, 255, 0.2) 40%, transparent 70%);
    opacity: 0.5;
    pointer-events: none;
    z-index: 0;
    animation: pulseGlow 3s ease-in-out infinite, rotate 20s linear infinite;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--spacing-xl) 0;
    animation: heroEntrance 1.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.hero-text {
    max-width: 900px;
    margin: 0 auto;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-btn {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: var(--font-size-lg);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 10px 40px rgba(79, 140, 255, 0.5), 0 0 60px rgba(79, 140, 255, 0.3);
    animation: ctaEntrance 1s cubic-bezier(0.34, 1.56, 0.64, 1) 0.6s both, glowPulse 2s ease-in-out infinite 1.6s;
    position: relative;
    overflow: hidden;
}

.cta-btn::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: rotate(45deg);
    animation: shimmer 3s infinite;
}

.cta-btn:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 20px 60px rgba(79, 140, 255, 0.6), 0 0 80px rgba(79, 140, 255, 0.4);
}

/* ========================================
   7. WHAT WE DO SECTION
   ======================================== */
.what-we-do {
    padding: var(--spacing-xl) 0;
    background: var(--gradient-subtle);
}

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

.service-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-card);
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: 1px solid rgba(79, 140, 255, 0.1);
    opacity: 0;
    animation: cardFlipIn 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.service-card:nth-child(1) {
    animation-delay: 0.1s;
}

.service-card:nth-child(2) {
    animation-delay: 0.25s;
}

.service-card:nth-child(3) {
    animation-delay: 0.4s;
}

.service-card:nth-child(4) {
    animation-delay: 0.55s;
}

.service-card:nth-child(5) {
    animation-delay: 0.7s;
}

.service-card:hover {
    transform: translateY(-15px) rotateX(5deg) rotateY(5deg) scale(1.05);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.5), 0 0 40px rgba(79, 140, 255, 0.4);
    background: var(--bg-card-hover);
    border-color: var(--accent);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    display: block;
    animation: floatSpin 4s ease-in-out infinite;
    filter: drop-shadow(0 0 20px rgba(79, 140, 255, 0.6));
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.3) rotateY(360deg);
    filter: drop-shadow(0 0 30px rgba(79, 140, 255, 0.9));
}

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

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ========================================
   8. OUR APPROACH SECTION
   ======================================== */
.our-approach {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, rgba(79, 140, 255, 0.05) 0%, rgba(123, 97, 255, 0.05) 100%);
    background-size: 200% 200%;
    animation: gradientShift 8s ease infinite;
    position: relative;
}

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

.approach-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--text-main);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.approach-text {
    font-size: var(--font-size-lg);
    color: var(--text-muted);
    line-height: 1.8;
}

/* ========================================
   9. WHO WE WORK WITH SECTION
   ======================================== */
.who-we-work-with {
    padding: var(--spacing-xl) 0;
}

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

.client-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    text-align: center;
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: 1px solid rgba(79, 140, 255, 0.1);
    opacity: 0;
    animation: bounceIn 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    position: relative;
}

.client-card:nth-child(1) {
    animation-delay: 0.1s;
}

.client-card:nth-child(2) {
    animation-delay: 0.25s;
}

.client-card:nth-child(3) {
    animation-delay: 0.4s;
}

.client-card:nth-child(4) {
    animation-delay: 0.55s;
}

.client-card::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--border-radius);
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

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

.client-card:hover {
    transform: translateY(-12px) scale(1.08);
    border-color: transparent;
    background: var(--bg-card-hover);
    box-shadow: 0 20px 50px rgba(79, 140, 255, 0.4);
}

.client-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.client-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* ========================================
   10. WHY CHOOSE SECTION
   ======================================== */
.why-choose {
    padding: var(--spacing-xl) 0;
    background: var(--gradient-subtle);
}

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

.why-item {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    border-left: 4px solid var(--accent);
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    opacity: 0;
    animation: slideInLeftBounce 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    position: relative;
    overflow: hidden;
}

.why-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(79, 140, 255, 0.1), transparent);
    transition: width 0.5s ease;
}

.why-item:hover::after {
    width: 100%;
}

.why-item:nth-child(1) {
    animation-delay: 0.1s;
}

.why-item:nth-child(2) {
    animation-delay: 0.2s;
}

.why-item:nth-child(3) {
    animation-delay: 0.3s;
}

.why-item:nth-child(4) {
    animation-delay: 0.4s;
}

.why-item:nth-child(5) {
    animation-delay: 0.5s;
}

.why-item:nth-child(6) {
    animation-delay: 0.6s;
}

.why-item:hover {
    transform: translateX(20px) scale(1.03);
    background: var(--bg-card-hover);
    border-left-width: 8px;
    box-shadow: 0 10px 40px rgba(79, 140, 255, 0.3);
}

.why-number {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.why-item h3 {
    color: var(--text-main);
    margin-bottom: var(--spacing-xs);
}

.why-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ========================================
   11. ABOUT SECTION
   ======================================== */
.about {
    padding: var(--spacing-xl) 0;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text {
    margin-top: var(--spacing-lg);
}

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

.about-text p {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.about-closing {
    color: var(--text-main);
    font-weight: 500;
}

/* ========================================
   12. CONTACT SECTION
   ======================================== */
.contact {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, rgba(79, 140, 255, 0.05) 0%, rgba(123, 97, 255, 0.05) 100%);
}

.contact-content {
    max-width: 1100px;
    margin: 0 auto;
}

.contact-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

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

/* Contact Form */
.contact-form-wrapper {
    opacity: 0;
    animation: slideInLeft 0.8s ease-out 0.3s forwards;
}

.contact-form {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(79, 140, 255, 0.1);
}

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

.form-group label {
    display: block;
    color: var(--text-main);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: var(--bg-dark);
    border: 2px solid rgba(79, 140, 255, 0.2);
    border-radius: 8px;
    padding: 0.875rem 1rem;
    color: var(--text-main);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
    background: rgba(79, 140, 255, 0.05);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

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

.submit-btn {
    width: 100%;
    background: var(--gradient-primary);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 10px 30px rgba(79, 140, 255, 0.4);
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: rotate(45deg);
    animation: shimmer 3s infinite;
}

.submit-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 40px rgba(79, 140, 255, 0.5);
}

.submit-btn:active {
    transform: translateY(-1px) scale(0.98);
}

/* Contact Info */
.contact-info-wrapper {
    opacity: 0;
    animation: slideInRight 0.8s ease-out 0.3s forwards;
}

.contact-box {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(79, 140, 255, 0.1);
}

.contact-box h3 {
    color: var(--text-main);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-item a {
    color: var(--accent);
    font-weight: 500;
}

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

.contact-note {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ========================================
   13. FOOTER
   ======================================== */
.footer {
    padding: var(--spacing-lg) 0 var(--spacing-md);
    border-top: 1px solid rgba(79, 140, 255, 0.1);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
}

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

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

.footer-links a:hover {
    color: var(--text-main);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(79, 140, 255, 0.05);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ========================================
   14. RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .nav-links {
        gap: var(--spacing-sm);
    }

    .nav-links a {
        font-size: 0.9rem;
    }

    .hero {
        min-height: 80vh;
    }

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

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

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

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

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .nav-links {
        display: none;
    }

    .cta-btn {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }

    .service-card,
    .client-card,
    .why-item {
        padding: 1.5rem;
    }
}

/* ========================================
   15. ACCESSIBILITY & POLISH
   ======================================== */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
}

::selection {
    background: var(--accent-soft);
    color: var(--text-main);
}

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

/* ========================================
   16. SCROLL ANIMATIONS & EFFECTS
   ======================================== */

/* Keyframe Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(60px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes heroEntrance {
    0% {
        opacity: 0;
        transform: translateY(100px) scale(0.8);
    }

    60% {
        transform: translateY(-10px) scale(1.02);
    }

    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes ctaEntrance {
    0% {
        opacity: 0;
        transform: scale(0) rotate(-180deg);
    }

    70% {
        transform: scale(1.15) rotate(10deg);
    }

    100% {
        opacity: 1;
        transform: scale(1) rotate(0);
    }
}

@keyframes cardFlipIn {
    0% {
        opacity: 0;
        transform: perspective(1000px) rotateY(-90deg) translateY(50px);
    }

    50% {
        transform: perspective(1000px) rotateY(10deg) translateY(-10px);
    }

    100% {
        opacity: 1;
        transform: perspective(1000px) rotateY(0) translateY(0);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3) translateY(-100px);
    }

    50% {
        transform: scale(1.1) translateY(10px);
    }

    70% {
        transform: scale(0.9) translateY(-5px);
    }

    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes slideInLeftBounce {
    0% {
        opacity: 0;
        transform: translateX(-200px);
    }

    60% {
        transform: translateX(20px);
    }

    80% {
        transform: translateX(-5px);
    }

    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }
}

@keyframes floatSpin {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    25% {
        transform: translateY(-15px) rotate(5deg);
    }

    50% {
        transform: translateY(-10px) rotate(0deg);
    }

    75% {
        transform: translateY(-15px) rotate(-5deg);
    }
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

@keyframes pulseGlow {

    0%,
    100% {
        opacity: 0.5;
        transform: translateX(-50%) scale(1);
    }

    50% {
        opacity: 0.8;
        transform: translateX(-50%) scale(1.1);
    }
}

@keyframes rotate {
    from {
        transform: translateX(-50%) rotate(0deg);
    }

    to {
        transform: translateX(-50%) rotate(360deg);
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) rotate(45deg);
    }

    100% {
        transform: translateX(100%) rotate(45deg);
    }
}

@keyframes glowPulse {

    0%,
    100% {
        box-shadow: 0 10px 40px rgba(79, 140, 255, 0.5), 0 0 60px rgba(79, 140, 255, 0.3);
    }

    50% {
        box-shadow: 0 10px 50px rgba(79, 140, 255, 0.7), 0 0 80px rgba(79, 140, 255, 0.5);
    }
}

@keyframes glow {

    0%,
    100% {
        filter: brightness(1);
    }

    50% {
        filter: brightness(1.3);
    }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    animation: fadeIn 1s ease-out 1.5s both;
}

.scroll-arrow {
    font-size: 2rem;
    color: var(--accent);
    animation: float 2s ease-in-out infinite;
    cursor: pointer;
}

/* Section Title Animations */
.section-title {
    text-align: center;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.2s forwards;
}

/* Approach Section Animations */
.approach-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--text-main);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.approach-text {
    font-size: var(--font-size-lg);
    color: var(--text-muted);
    line-height: 1.8;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.3s forwards;
}

/* About Section Animations */
.about-intro {
    font-size: var(--font-size-lg);
    color: var(--text-main);
    margin-bottom: var(--spacing-md);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.about-text p {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

.about-text p:nth-child(1) {
    animation-delay: 0.1s;
}

.about-text p:nth-child(2) {
    animation-delay: 0.2s;
}

.about-text p:nth-child(3) {
    animation-delay: 0.3s;
}

.about-text p:nth-child(4) {
    animation-delay: 0.4s;
}