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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: #111827;
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    background: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: #111827;
}

.nav-icon {
    width: 32px;
    height: 32px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: #252526;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #667eea;
}

.btn-login {
    padding: 8px 20px;
    border-radius: 8px;
    transition: background 0.3s ease;
}

.btn-login:hover {
    background: #F3F4F6;
}

.btn-signup {
    padding: 10px 24px;
    background: linear-gradient(135deg, #4685e5 0%, #1e6ce2 100%);
    color: white !important;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-signup:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(70, 133, 229, 0.4);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 24px;
    height: 3px;
    background: #111827;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 16px;
    padding: 24px;
    background: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a {
    text-decoration: none;
    color: #252526;
    font-weight: 500;
    padding: 12px;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
}

.mobile-menu a:hover {
    background: #F3F4F6;
}

.mobile-menu .btn-signup {
    color: white !important;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #4685e5 0%, #1e6ce2 100%);
    padding: 80px 24px;
    color: white;
}

.hero-content {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, #FCD34D 0%, #FDE68A 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 20px;
    line-height: 1.6;
    margin-bottom: 32px;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.btn-primary-large {
    padding: 16px 32px;
    background: white;
    color: #4685e5;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.btn-primary-large:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}

.btn-secondary-large {
    padding: 16px 32px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.btn-secondary-large:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.hero-note {
    font-size: 14px;
    opacity: 0.8;
}

.hero-image {
    position: relative;
}

.dashboard-preview {
    background: white;
    border-radius: 16px;
    padding: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: perspective(1000px) rotateY(-5deg);
    transition: all 0.5s ease;
}

.dashboard-preview:hover {
    transform: perspective(1000px) rotateY(0deg);
}

.preview-img {
    width: 100%;
    border-radius: 12px;
}

/* Features Section */
.features {
    padding: 100px 24px;
    background: #F9FAFB;
}

.section-content {
    max-width: 1280px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
    color: #111827;
}

.section-header p {
    font-size: 18px;
    color: #6B7280;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: white;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #4685e5 0%, #1e6ce2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon img {
    width: 32px;
    height: 32px;
    filter: brightness(0) saturate(100%) invert(1);
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #111827;
}

.feature-card p {
    font-size: 16px;
    line-height: 1.6;
    color: #6B7280;
}

/* How It Works Section */
.how-it-works {
    padding: 100px 24px;
    background: white;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
}

.step {
    text-align: center;
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #4685e5 0%, #1e6ce2 100%);;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: 800;
    margin: 0 auto 24px;
    box-shadow: 0 8px 20px rgba(70, 133, 229, 0.3)
}

.step h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #111827;
}

.step p {
    font-size: 16px;
    line-height: 1.6;
    color: #6B7280;
}

/* CTA Section */
.cta {
    padding: 100px 24px;
    background: linear-gradient(135deg, #4685e5 0%, #1e6ce2 100%);
    color: white;
}

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

.cta-content h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 20px;
    margin-bottom: 32px;
    opacity: 0.95;
}

/* Footer */
.footer {
    background: #111827;
    padding: 40px 24px;
    color: white;
}

.footer-content {
    max-width: 1280px;
    margin: 0 auto;
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-logo img {
    width: 28px;
    height: 28px;
    filter: brightness(0) saturate(100%) invert(1);
}

.footer-content p {
    color: #9CA3AF;
    font-size: 14px;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 42px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .steps {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: 60px 24px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-description {
        font-size: 18px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn-primary-large,
    .btn-secondary-large {
        text-align: center;
    }

    .dashboard-preview {
        transform: none;
    }

    .features {
        padding: 60px 24px;
    }

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

    .section-header h2 {
        font-size: 32px;
    }

    .how-it-works {
        padding: 60px 24px;
    }

    .cta {
        padding: 60px 24px;
    }

    .cta-content h2 {
        font-size: 32px;
    }

    .cta-content p {
        font-size: 18px;
    }
}