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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: hsl(0 0% 98%);
    background-color: hsl(207 100% 4%);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: hsla(207, 100%, 4%, 0.8);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid hsla(207, 50%, 20%, 1);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-img {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: bold;
    color: white;
}

.nav {
    display: none;
    align-items: center;
    gap: 2rem;
}

@media (min-width: 768px) {
    .nav {
        display: flex;
    }
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: white;
}

.auth-buttons {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 0.375rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-nav {
    color: rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-nav:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.btn-hero {
    background: linear-gradient(135deg, hsl(207 100% 45%), hsl(207 100% 32%));
    color: white;
    box-shadow: 0 4px 14px 0 hsla(207, 100%, 45%, 0.3);
}

.btn-hero:hover {
    background: linear-gradient(135deg, hsl(207 100% 60%), hsl(207 100% 45%));
    box-shadow: 0 6px 20px 0 hsla(207, 100%, 45%, 0.4);
    transform: translateY(-1px);
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1.125rem;
}

.btn-outline {
    background: transparent;
    border-color: #e5e7eb;
    color: #374151;
}

.btn-outline:hover {
    background: #f9fafb;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, hsl(207 100% 4%) 0%, hsl(207 100% 8%) 50%, hsl(207 100% 12%) 100%);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.bg-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
}

.bg-circle-1 {
    top: 5rem;
    right: 0;
    width: 24rem;
    height: 24rem;
    background: hsla(207, 100%, 45%, 0.2);
}

.bg-circle-2 {
    bottom: 5rem;
    right: 5rem;
    width: 20rem;
    height: 20rem;
    background: hsla(207, 100%, 45%, 0.3);
    filter: blur(40px);
}

.hero-content {
    display: grid;
    gap: 3rem;
    align-items: center;
    padding-top: 8rem;
    padding-bottom: 5rem;
}

@media (min-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
    }
}

.hero-title {
    font-size: 3rem;
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 3.75rem;
    }
}

.title-white {
    color: white;
}

.title-accent {
    color: hsl(207 100% 45%);
}

.hero-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    max-width: 32rem;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
}

.hero-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    z-index: 10;
}

.hero-img {
    width: 100%;
    max-width: 32rem;
    margin: 0 auto;
    display: block;
}

.deco-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(20px);
}

.deco-circle-1 {
    top: -1rem;
    right: -1rem;
    width: 6rem;
    height: 6rem;
    background: hsla(207, 100%, 45%, 0.3);
}

.deco-circle-2 {
    bottom: -1rem;
    left: -1rem;
    width: 8rem;
    height: 8rem;
    background: hsla(160, 100%, 45%, 0.2);
}

/* Section styles */
.what-we-do {
    padding: 5rem 0;
    background-color: hsl(207 100% 4%);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: bold;
    color: hsl(207 100% 45%);
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.6);
    max-width: 48rem;
    margin: 0 auto;
}

.content-grid {
    display: grid;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 768px) {
    .content-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.content-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
    margin-bottom: 1rem;
}

.content-description {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.read-more {
    padding-top: 1rem;
}

.read-more-link {
    color: hsl(207 100% 45%);
    font-weight: 500;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.read-more-link:hover {
    color: hsl(207 100% 60%);
}

.arrow-icon {
    width: 1rem;
    height: 1rem;
}

.card {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 0.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.card:hover {
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 30px -10px hsla(207, 100%, 45%, 0.3);
}

.visualization-placeholder {
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, hsla(207, 100%, 45%, 0.1), hsla(160, 100%, 45%, 0.2));
    border-radius: 0.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
}

.chart-icon {
    width: 4rem;
    height: 4rem;
    margin-bottom: 1rem;
}

.chart-label {
    font-size: 0.875rem;
}

/* How It Works Section */
.how-it-works {
    padding: 5rem 0;
    background: hsla(207, 100%, 45%, 0.03);
}

.steps-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .steps-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.step-card {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 0.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    group: hover;
}

.step-card:hover {
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 30px -10px hsla(207, 100%, 45%, 0.3);
}

.step-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, hsl(207 100% 45%), hsl(207 100% 32%));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.step-card:hover .step-icon {
    transform: scale(1.1);
}

.step-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: white;
    margin-bottom: 1rem;
}

.step-description {
    color: rgba(255, 255, 255, 0.6);
}

/* Benefits Section */
.benefits {
    padding: 5rem 0;
    background-color: hsl(207 100% 4%);
}

.logo-circle {
    width: 4rem;
    height: 4rem;
    margin: 0 auto 2rem;
    background: linear-gradient(135deg, hsl(207 100% 45%), hsl(207 100% 32%));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-small {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
}

.benefits-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .benefits-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.benefit-card {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 0.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.benefit-card:hover {
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 30px -10px hsla(207, 100%, 45%, 0.3);
}

.benefit-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, hsla(207, 100%, 45%, 0.2), hsla(160, 100%, 45%, 0.3));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    transition: transform 0.3s ease;
}

.benefit-card:hover .benefit-icon {
    transform: scale(1.1);
}

.benefit-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: white;
    margin-bottom: 0.75rem;
}

.benefit-description {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

/* Demo Section */
.demo {
    padding: 5rem 0;
    background: hsla(207, 100%, 45%, 0.03);
}

.demo-wrapper {
    max-width: 64rem;
    margin: 0 auto;
}

.demo-card {
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 0.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 30px -10px hsla(207, 100%, 45%, 0.3);
}

.demo-video {
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, hsl(207 100% 4%) 0%, hsl(207 100% 8%) 50%, hsl(207 100% 12%) 100%);
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease;
}

.demo-video:hover {
    background: linear-gradient(135deg, hsl(207 100% 6%) 0%, hsl(207 100% 10%) 50%, hsl(207 100% 14%) 100%);
}

.video-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    padding: 1rem;
}

.play-button {
    width: 5rem;
    height: 5rem;
    margin-bottom: 1rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.demo-video:hover .play-button {
    background: rgba(255, 255, 255, 0.3);
}

.play-icon {
    width: 2rem;
    height: 2rem;
}

.video-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.video-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.demo-footer {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.demo-brand {
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 0.25rem;
}

.demo-platform {
    font-size: 0.875rem;
    color: #6b7280;
}

/* Contact Section */
.contact {
    padding: 5rem 0;
    background: linear-gradient(135deg, hsl(207 100% 4%) 0%, hsl(207 100% 8%) 50%, hsl(207 100% 12%) 100%);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, hsla(207, 100%, 45%, 0.1) 0%, transparent 50%);
}

.contact-content {
    position: relative;
    z-index: 10;
    display: grid;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-title {
    font-size: 2.5rem;
    font-weight: bold;
    color: white;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.contact-description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.contact-benefit {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.check-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: hsl(160 100% 45%);
}

.contact-card {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 0.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-header {
    margin-bottom: 1.5rem;
}

.form-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
    margin-bottom: 0.5rem;
}

.form-subtitle {
    color: rgba(255, 255, 255, 0.6);
}

.contact-info {
    text-align: center;
}

.contact-info p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
}

.email-link {
    display: inline-block;
    font-size: 1.25rem;
    font-weight: 600;
    color: hsl(207 100% 45%);
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    background: hsla(207, 100%, 45%, 0.1);
    border: 1px solid hsla(207, 100%, 45%, 0.3);
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.email-link:hover {
    background: hsla(207, 100%, 45%, 0.2);
    border-color: hsla(207, 100%, 45%, 0.5);
    transform: translateY(-1px);
}

.email-note {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 0.5rem;
}

/* Footer */
.footer {
    background-color: hsl(207 100% 4%);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 3rem 0;
}

.footer-content {
    display: flex;
    flex-col: column;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        gap: 0;
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-logo-img {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
}

.footer-logo-text {
    font-size: 1.25rem;
    font-weight: bold;
    color: white;
}

.footer-copyright {
    text-align: center;
}

@media (min-width: 768px) {
    .footer-copyright {
        text-align: right;
    }
}

.footer-copyright p {
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive adjustments */
@media (max-width: 767px) {
    .nav {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .contact-title {
        font-size: 2rem;
    }
    
    .auth-buttons {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .btn {
        font-size: 0.75rem;
        padding: 0.4rem 0.8rem;
    }
}