/* Modern Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --primary-color: #10B981; /* Emerald Green */
    --primary-dark: #059669;
    --secondary-color: #F97316; /* Vibrant Orange for CTA */
    --secondary-dark: #EA580C;
    --text-dark: #1F2937;
    --text-light: #6B7280;
    --bg-light: #F9FAFB;
    --white: #ffffff;
    --transition: all 0.3s ease;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

@media (min-width: 768px) {
    h1 { font-size: 3.5rem; }
    h2 { font-size: 2.5rem; }
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--secondary-color);
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(249, 115, 22, 0.39);
}

.btn-primary:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(249, 115, 22, 0.23);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

/* Header */
header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

.nav-links {
    display: none;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
        gap: 2rem;
        align-items: center;
    }
    
    .nav-links a {
        font-weight: 500;
        color: var(--text-dark);
        transition: var(--transition);
    }

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

.mobile-menu-btn {
    display: block;
    font-size: 1.5rem;
    cursor: pointer;
    background: none;
    border: none;
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
}

/* Hero Section */
.hero {
    padding-top: 140px;
    padding-bottom: 80px;
    background: linear-gradient(135deg, #f0fdf4 0%, #fff 100%);
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
    }
}

.hero-text h1 span {
    color: var(--primary-color);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin: 1.5rem 0 2.5rem;
}

.hero-image {
    position: relative;
}

.hero-image img {
    border-radius: 20px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    animation: float 6s ease-in-out infinite;
}

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

/* Benefits Section */
.benefits {
    padding: 80px 0;
    background-color: var(--white);
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section-title p {
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

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

.benefit-card {
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 12px;
    transition: var(--transition);
    text-align: center;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.icon-wrapper {
    width: 64px;
    height: 64px;
    background-color: #d1fae5;
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.5rem;
}

/* Solution / Scientific */
.science {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.science-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 768px) {
    .science-content {
        grid-template-columns: 1fr 1fr;
    }
}

.check-list {
    margin-top: 2rem;
}

.check-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    font-weight: 500;
}

.check-icon {
    color: var(--primary-color);
    margin-right: 1rem;
    font-weight: bold;
}

/* Pricing */
.pricing {
    padding: 80px 0;
    background-color: var(--white);
}

.pricing-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

.pricing-card {
    background: var(--white);
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%;
    max-width: 350px;
    transition: var(--transition);
    position: relative;
}

.pricing-card.popular {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-dark);
    margin: 1.5rem 0;
}

.price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-light);
}

.pricing-features {
    margin-bottom: 2rem;
}

.pricing-features li {
    margin-bottom: 1rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
}

/* FAQ */
.faq {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.faq-item {
    background: var(--white);
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease-out;
    background-color: #fafafa;
}

.faq-answer p {
    padding-bottom: 1.5rem;
    color: var(--text-light);
}

.active .faq-answer {
    max-height: 300px;
}

.icon-toggle {
    transition: transform 0.3s ease;
}

.active .icon-toggle {
    transform: rotate(180deg);
}

/* Footer */
footer {
    background-color: #111827;
    color: #9CA3AF;
    padding: 60px 0 20px;
}

.footer-content {
    display: "flex";
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 40px;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 20px;
    text-align: center;
    font-size: 0.875rem;
}

/* Mobile Menu */
.mobile-nav {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: white;
    padding: 2rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    transform: translateY(-150%);
    transition: transform 0.3s ease-in-out;
    z-index: 999;
}

.mobile-nav.open {
    transform: translateY(0);
}

.mobile-nav a {
    display: block;
    padding: 1rem 0;
    font-size: 1.25rem;
    border-bottom: 1px solid #f3f4f6;
}