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

body {
    font-family: 'PT Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(229, 231, 235, 0.3);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-brand h1 {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, hsl(48, 70%, 50%), hsl(18, 70%, 50%));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links a {
    text-decoration: none;
    color: #6b7280;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: hsl(48, 70%, 50%);
}

.cta-button {
    background: linear-gradient(135deg, hsl(48, 70%, 50%), hsl(18, 70%, 50%));
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px hsla(48, 70%, 50%, 0.25);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, hsl(48, 70%, 50%), hsl(18, 70%, 50%));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: #6b7280;
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    align-items: center;
}

.primary-button {
    background: linear-gradient(135deg, hsl(48, 70%, 50%), hsl(18, 70%, 50%));
    color: white;
    border: none;
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.primary-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px hsla(48, 70%, 50%, 0.25);
}

.secondary-button {
    background: white;
    color: #374151;
    border: 2px solid #e5e7eb;
    padding: 14px 30px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.secondary-button:hover {
    border-color: hsl(48, 70%, 50%);
    color: hsl(48, 70%, 50%);
    transform: translateY(-2px);
}

.large {
    padding: 18px 36px;
    font-size: 18px;
}

/* Phone Mockup */
.phone-mockup {
    position: relative;
    width: 280px;
    height: 560px;
    background: #1f2937;
    border-radius: 36px;
    padding: 12px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    margin: 0 auto;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 24px;
    overflow: hidden;
    position: relative;
}

.app-preview {
    padding: 32px 24px;
    height: 100%;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.app-header {
    text-align: center;
    margin-bottom: 32px;
}

.app-title {
    font-size: 18px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 8px;
}

.calories-counter {
    font-size: 24px;
    font-weight: 700;
    color: hsl(48, 70%, 50%);
}

.progress-ring {
    position: relative;
    display: flex;
    justify-content: center;
    margin-bottom: 32px;
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    font-weight: 700;
    color: hsl(48, 70%, 50%);
}

.nutrition-bars {
    space-y: 16px;
}

.nutrient {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.nutrient span {
    font-weight: 600;
    color: #6b7280;
    width: 60px;
}

.bar {
    flex: 1;
    height: 8px;
    background: #e5e7eb;
    border-radius: 4px;
    margin-left: 16px;
    overflow: hidden;
}

.fill {
    height: 100%;
    background: linear-gradient(90deg, hsl(48, 70%, 50%), hsl(18, 70%, 50%));
    transition: width 0.8s ease;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 64px;
    color: #1f2937;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    padding: 32px;
    background: #f9fafb;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #f3f4f6;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: hsl(48, 70%, 50%);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #1f2937;
}

.feature-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* Stats Section */
.stats {
    padding: 80px 0;
    background: linear-gradient(135deg, hsl(48, 70%, 50%), hsl(18, 70%, 50%));
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    text-align: center;
}

.stat-item {
    color: white;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 18px;
    opacity: 0.9;
}

/* About Section */
.about {
    padding: 100px 0;
    background: #f9fafb;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-text h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 24px;
    color: #1f2937;
}

.about-text p {
    color: #6b7280;
    margin-bottom: 24px;
    font-size: 18px;
    line-height: 1.7;
}

.about-features {
    margin-top: 32px;
}

.about-feature {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
    font-size: 16px;
}

.checkmark {
    color: hsl(48, 70%, 50%);
    font-weight: 700;
    margin-right: 12px;
    font-size: 18px;
}

.about-image {
    display: flex;
    justify-content: center;
}

.image-placeholder {
    width: 300px;
    height: 200px;
    background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 32px;
}

.placeholder-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.placeholder-content p {
    color: #6b7280;
    font-weight: 500;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #1f2937, #374151);
    text-align: center;
}

.cta-content h2 {
    font-size: 40px;
    font-weight: 700;
    color: white;
    margin-bottom: 24px;
}

.cta-content p {
    font-size: 20px;
    color: #d1d5db;
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    align-items: center;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 64px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, hsl(48, 70%, 50%), hsl(18, 70%, 50%));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    color: #9ca3af;
    line-height: 1.6;
}

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

.footer-column h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-column a {
    display: block;
    color: #9ca3af;
    text-decoration: none;
    margin-bottom: 8px;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: hsl(48, 70%, 50%);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #374151;
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 16px;
        height: 60px;
    }
    
    .nav-links {
        gap: 16px;
    }
    
    .nav-links a {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .phone-mockup {
        width: 240px;
        height: 480px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .phone-mockup {
        width: 200px;
        height: 400px;
    }
    
    .app-preview {
        padding: 24px 16px;
    }
}