:root {
    /* Soft, friendly, modern colors */
    --primary: #4abeb3; /* Soft Blue/Green */
    --primary-light: #e0f2f1;
    --primary-dark: #38958c;
    
    --secondary: #ffffff;
    --bg-light: #f8fafc; /* Light Grey */
    --text-dark: #1e293b;
    --text-light: #64748b;
    
    --accent: #ffb74d; /* Warm Orange/Yellow */
    --accent-hover: #f5a623;
    
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --border-radius: 16px;
    --border-radius-lg: 24px;
    
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
}

body {
    background-color: var(--secondary);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -1px;
}

h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.25rem;
}

p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

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

.text-center { text-align: center; }
.text-primary { color: var(--primary) !important; }
.text-white { color: #ffffff !important; }
.text-white p, .text-white h2 { color: #ffffff; }
.bg-light { background-color: var(--bg-light); }
.bg-primary { background-color: var(--primary); }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }
.section-padding { padding: 5rem 0; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-align: center;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    transition: var(--transition);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
}

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

/* Hero Section */
.hero {
    padding-top: 8rem;
    padding-bottom: 4rem;
    background: linear-gradient(135deg, #f0fdfaf0 0%, #ffffff 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.tagline {
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 1rem;
}

.hero-content .description {
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
}

.floating-image {
    width: 100%;
    max-width: 400px;
    animation: float 6s ease-in-out infinite;
    filter: drop-shadow(0 25px 35px rgba(0, 0, 0, 0.15));
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* Features Section */
.section-title {
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.02);
    text-align: center;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.card.border-accent {
    border-bottom: 4px solid var(--accent);
}

.icon-wrapper {
    width: 70px;
    height: 70px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin: 0 auto 1.5rem;
    transition: var(--transition);
}

.card:hover .icon-wrapper {
    background: var(--primary);
    color: white;
    transform: scale(1.1) rotate(5deg);
}

.icon-wrapper.icon-accent {
    background: rgba(255, 183, 77, 0.2);
    color: var(--accent);
}

.card:hover .icon-wrapper.icon-accent {
    background: var(--accent);
    color: white;
}

/* How It Works & Benefits Section */
.how-it-works-content, .benefits-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.container-reverse {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.how-it-works .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.step-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.step-number {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.rounded-image {
    width: 100%;
    border-radius: var(--border-radius-lg);
    object-fit: cover;
}

.shadow-large {
    box-shadow: var(--shadow-lg);
}

.benefit-list li {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-dark);
}

.benefit-list strong {
    color: var(--primary-dark);
}

/* App Preview Section */
.app-screenshots {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.screenshot-wrapper {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.screenshot-wrapper:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.screenshot-wrapper img {
    width: 100%;
    display: block;
}

/* About Section */
.mission-statement {
    font-size: 1.5rem;
    font-style: italic;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, rgba(255, 183, 77, 0.1) 0%, rgba(255, 255, 255, 0) 100%);
    position: relative;
    overflow: hidden;
}

/* Footer */
.footer {
    background-color: var(--text-dark);
    color: #e2e8f0;
    padding: 4rem 0 1rem;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer h4 {
    color: white;
    margin-bottom: 1.5rem;
}

.footer a {
    color: #cbd5e1;
}

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

.footer-links ul li, .footer-legal ul li {
    margin-bottom: 0.75rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    font-size: 1.25rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
}

/* Animations */
.animate-on-scroll {
    opacity: 0;
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up {
    transform: translateY(40px);
}

.slide-in-right {
    transform: translateX(50px);
}

.slide-in-left {
    transform: translateX(-50px);
}

.scale-in {
    transform: scale(0.9);
}

.is-visible {
    opacity: 1;
    transform: translateY(0) translateX(0) scale(1);
}

.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }

/* Responsive Design */
@media (max-width: 991px) {
    .hero-container, .how-it-works .container, .container-reverse, .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero {
        padding-top: 6rem;
        text-align: center;
    }
    
    .hero-content .description {
        margin: 0 auto 2rem;
    }
    
    .step-item {
        text-align: left;
    }
    
    .how-it-works .container {
        gap: 2rem;
    }
    
    .container-reverse {
        gap: 2rem;
    }
    
    .container-reverse .benefits-image {
        grid-row: 1;
    }
    
    .floating-image {
        max-width: 300px;
    }
    
    .nav-links {
        display: none; /* In a real app we'd add a hamburger menu, for a brochure it might be fine, or we can make them scale */
    }
}
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}
@media (max-width: 480px) {
    .footer-container {
        grid-template-columns: 1fr;
    }
    .hero-container {
        padding-top: 2rem;
    }
    h1 {
        font-size: 2rem;
    }
}