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

:root {
    /* Wellness Color Palette */
    --primary-green: #4CAF50;
    --light-green: #81C784;
    --dark-green: #2E7D32;
    --soft-beige: #F5F5DC;
    --warm-beige: #F0EAD6;
    --pure-white: #FFFFFF;
    --off-white: #FAFAFA;
    --soft-gray: #F8F9FA;
    --text-dark: #2C3E50;
    --text-medium: #6C757D;
    --text-light: #ADB5BD;
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    --gradient-primary: linear-gradient(135deg, var(--primary-green), var(--light-green));
    --gradient-soft: linear-gradient(135deg, var(--soft-beige), var(--warm-beige));
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--pure-white);
    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(20px);
    border-bottom: 1px solid rgba(76, 175, 80, 0.1);
    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-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.logo-text {
    font-weight: 600;
    font-size: 1.5rem;
    color: var(--text-dark);
}

.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-green);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

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

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

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-medium);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-medium);
    font-weight: 500;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 14px 28px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 8px 25px rgba(76, 175, 80, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(76, 175, 80, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-green);
    border-color: var(--primary-green);
}

.btn-secondary:hover {
    background: var(--primary-green);
    color: white;
    transform: translateY(-2px);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    position: relative;
    width: 300px;
    height: 600px;
    background: linear-gradient(145deg, #ffffff, #f0f0f0);
    border-radius: 30px;
    padding: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.3s ease;
}

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

.phone-screen {
    width: 100%;
    height: 100%;
    border-radius: 20px;
    overflow: hidden;
    background: var(--primary-green);
}

.app-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Section Styling */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-medium);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Preview */
.features-preview {
    padding: 80px 0;
    background: var(--pure-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--pure-white);
    padding: 2.5rem 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px var(--shadow-light);
    transition: all 0.3s ease;
    border: 1px solid rgba(76, 175, 80, 0.1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px var(--shadow-medium);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon i {
    font-size: 1.8rem;
    color: white;
}

.feature-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

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

/* Health Conditions */
.health-conditions {
    padding: 80px 0;
    background: var(--soft-gray);
}

.conditions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.condition-card {
    background: var(--pure-white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px var(--shadow-light);
    transition: all 0.3s ease;
}

.condition-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px var(--shadow-medium);
}

.condition-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-soft);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.condition-icon i {
    font-size: 2rem;
    color: var(--primary-green);
}

.condition-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.condition-description {
    color: var(--text-medium);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.condition-features {
    list-style: none;
}

.condition-features li {
    padding: 0.5rem 0;
    color: var(--text-medium);
    position: relative;
    padding-left: 1.5rem;
}

.condition-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: bold;
}

/* App Download CTA */
.app-download-cta {
    padding: 80px 0;
    background: var(--gradient-soft);
}

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

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.cta-description {
    font-size: 1.2rem;
    color: var(--text-medium);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.app-badges {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.app-badge img {
    height: 60px;
    transition: transform 0.3s ease;
}

.app-badge:hover img {
    transform: scale(1.05);
}

.phone-stack {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-img {
    width: 200px;
    height: 400px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.phone-1 {
    transform: rotate(-10deg) translateX(-20px);
    z-index: 1;
}

.phone-2 {
    transform: rotate(10deg) translateX(20px);
    z-index: 2;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1rem;
}

.footer-logo-img {
    height: 35px;
    width: auto;
    border-radius: 6px;
}

.footer-logo-text {
    font-weight: 600;
    font-size: 1.3rem;
}

.footer-description {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: var(--primary-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--light-green);
    transform: translateY(-2px);
}

.footer-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: white;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--light-green);
}

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

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

.fade-in-left {
    animation: fadeInLeft 0.8s ease-out;
}

.fade-in-right {
    animation: fadeInRight 0.8s ease-out;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .cta-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-stats {
        justify-content: center;
        gap: 1.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

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

    .phone-mockup {
        width: 250px;
        height: 500px;
    }

    .phone-img {
        width: 150px;
        height: 300px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .app-badges {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 1.1rem;
    }

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

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .feature-card,
    .condition-card {
        padding: 2rem 1.5rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .cta-title {
        font-size: 2rem;
    }
}

/* Loading and Performance */
.lazy-load {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lazy-load.loaded {
    opacity: 1;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
.btn:focus,
.nav-link:focus,
.social-link:focus {
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
}