/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: rgb(21, 155, 140);
    --primary-dark: rgb(8, 117, 114);
    --primary-light: rgb(41, 219, 192);
    --secondary: #64748b;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --neutral: #6b7280;
    --bg: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text: #0f172a;
    --text-secondary: #475569;
    --text-light: #64748b;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.navbar.scrolled {
    box-shadow: var(--shadow-sm);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text);
}

.logo {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.brand-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s ease;
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary);
    color: var(--primary);
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text);
}

.highlight {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat {
    text-align: left;
}

.stat-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
}

/* Hero Card */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 460px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.card-header {
    background: var(--bg-secondary);
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.card-dots {
    display: flex;
    gap: 6px;
}

.card-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border);
}

.card-dots span:nth-child(1) {
    background: #ef4444;
}

.card-dots span:nth-child(2) {
    background: #f59e0b;
}

.card-dots span:nth-child(3) {
    background: #10b981;
}

.card-content {
    padding: 24px;
}

.risk-summary {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    flex-wrap: nowrap;
}

.risk-chip {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    flex-shrink: 1;
    white-space: nowrap;
}

.risk-chip.high {
    background: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}

.risk-chip.medium {
    background: #fff7ed;
    color: #c2410c;
    border: 1px solid #fed7aa;
}

.risk-chip.low {
    background: #fefce8;
    color: #854d0e;
    border: 1px solid #fef08a;
}

.risk-chip.neutral {
    background: #ecfdf5;
    color: #15803d;
    border: 1px solid #bbf7d0;
}

.risk-count {
    background: rgba(0, 0, 0, 0.1);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
}

.ingredient-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ingredient-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.ingredient-item.high {
    background: #fef2f2;
    border-color: #fecaca;
}

.ingredient-item.medium {
    background: #fff7ed;
    border-color: #fed7aa;
}

.ingredient-name {
    font-weight: 600;
    color: var(--text);
}

.ingredient-risk {
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 12px;
}

.ingredient-item.high .ingredient-risk {
    background: #fee2e2;
    color: #b91c1c;
}

.ingredient-item.medium .ingredient-risk {
    background: #fed7aa;
    color: #c2410c;
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
}

/* Features Section */
.features {
    background: var(--bg);
}

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

.feature-card {
    background: white;
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: 24px;
}

.feature-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
    background: var(--bg-secondary);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    position: relative;
}

.step {
    display: flex;
    gap: 24px;
    position: relative;
}

.step-number {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 800;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Screenshots Section */
.screenshots {
    background: var(--bg-secondary);
    padding: 80px 0;
}

.carousel-container {
    position: relative;
    max-width: 1000px;
    margin: 48px auto 0;
    padding: 0 60px;
}

.carousel-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    background: white;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.carousel-slide {
    min-width: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
}

.screenshot-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    border: 2px solid var(--border);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    color: var(--text);
    box-shadow: var(--shadow-md);
}

.carousel-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    transform: translateY(-50%) scale(1.1);
}

.carousel-btn:active {
    transform: translateY(-50%) scale(0.95);
}

.carousel-btn-prev {
    left: 0;
}

.carousel-btn-next {
    right: 0;
}

.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
}

.carousel-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--border);
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.carousel-indicator:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    transform: scale(1.2);
}

.carousel-indicator.active {
    background: var(--primary);
    border-color: var(--primary);
    width: 32px;
    border-radius: 6px;
}

/* Risk Levels Section */
.risk-levels {
    background: var(--bg);
}

.risk-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.risk-card {
    background: white;
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 2px solid var(--border);
    position: relative;
    transition: all 0.3s ease;
}

.risk-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.risk-indicator {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    margin-bottom: 20px;
}

.risk-card.high .risk-indicator {
    background: #fee2e2;
    border: 3px solid #ef4444;
}

.risk-card.medium .risk-indicator {
    background: #fed7aa;
    border: 3px solid #f59e0b;
}

.risk-card.low .risk-indicator {
    background: #fef08a;
    border: 3px solid #eab308;
}

.risk-card.neutral .risk-indicator {
    background: #bbf7d0;
    border: 3px solid #10b981;
}

.risk-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text);
}

.risk-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Install Section */
.install {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    text-align: center;
}

.install-content {
    max-width: 700px;
    margin: 0 auto;
}

.install .section-title,
.install .section-subtitle {
    color: white;
}

.install .section-subtitle {
    white-space: nowrap;
    margin-bottom: 32px;
}

.install .btn-primary {
    background: white;
    color: var(--primary);
}

.install .btn-primary:hover {
    background: var(--bg-secondary);
}

.install-note {
    margin-top: 16px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

/* Footer */
.footer {
    background: var(--text);
    color: white;
    padding: 64px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-brand .logo-container {
    margin-bottom: 16px;
}

.footer-brand .brand-name {
    color: white;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

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

.footer-column h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    color: white;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.2s ease;
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.disclaimer {
    margin-top: 8px;
    font-size: 12px;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title {
        font-size: 42px;
    }

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

    .hero-stats {
        gap: 32px;
    }

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

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

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

@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 24px;
        border-top: 1px solid var(--border);
        box-shadow: var(--shadow-lg);
        display: none;
        gap: 16px;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        padding: 12px 0;
        border-bottom: 1px solid var(--border);
    }

    .nav-links a:last-child {
        border-bottom: none;
    }

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

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

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

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero {
        padding: 120px 0 60px;
    }

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

    .section-title {
        font-size: 32px;
    }

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

    .btn-large {
        width: 100%;
        justify-content: center;
    }

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

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

    .carousel-container {
        padding: 0 50px;
    }
    
    .carousel-btn {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    .carousel-container {
        padding: 0 40px;
    }
    
    .carousel-btn {
        width: 36px;
        height: 36px;
    }
    
    .carousel-indicators {
        gap: 8px;
    }
    
    .carousel-indicator {
        width: 8px;
        height: 8px;
    }
    
    .carousel-indicator.active {
        width: 24px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

    .install .section-subtitle {
        white-space: normal;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card,
.step,
.risk-card {
    animation: fadeInUp 0.6s ease-out;
}