/* ===== ROOT VARIABLES ===== */
:root {
    /* Colors - Herbal/Natural Green Theme */
    --primary-color: #2d8659;
    --primary-dark: #1f5d3e;
    --primary-light: #4ba873;
    --secondary-color: #f59e0b;
    --accent-color: #10b981;
    
    /* Neutral Colors */
    --dark: #1a1a1a;
    --text-dark: #2d3748;
    --text-light: #718096;
    --bg-light: #f7fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    
    /* Gradient */
    --gradient-primary: linear-gradient(135deg, #2d8659 0%, #10b981 100%);
    --gradient-secondary: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
    
    /* Spacing */
    --container-width: 1200px;
    --section-padding: 80px 0;
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-size-base: 16px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition: all 0.3s ease;
}

/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-white);
}

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

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

ul {
    list-style: none;
}

button {
    border: none;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
}

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

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

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    cursor: pointer;
}

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

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

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

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

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

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

/* ===== BADGES ===== */
.badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(45, 134, 89, 0.1);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: var(--transition);
}

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

.logo img {
    height: 50px;
    width: auto;
}

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

.nav-link {
    font-weight: 500;
    font-size: 15px;
    color: var(--text-dark);
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
}

.nav-actions {
    display: flex;
    gap: 16px;
    align-items: center;
}

.mobile-menu-btn {
    display: none;
    background: none;
    font-size: 24px;
    color: var(--primary-color);
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0h100v100H0z' fill='none'/%3E%3Cpath d='M50 0C22.4 0 0 22.4 0 50s22.4 50 50 50 50-22.4 50-50S77.6 0 50 0z' fill='%232d8659' opacity='0.03'/%3E%3C/svg%3E") repeat;
    opacity: 0.3;
}

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

.hero-text {
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--dark);
}

.hero-description {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    color: var(--text-dark);
}

.feature-item i {
    color: var(--accent-color);
    font-size: 20px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.trust-badges {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-light);
}

.trust-item i {
    color: var(--primary-color);
    font-size: 18px;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease;
}

.product-showcase {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.product-img {
    width: 100%;
    filter: drop-shadow(0 20px 40px rgba(45, 134, 89, 0.2));
    animation: float 3s ease-in-out infinite;
}

.floating-badge {
    position: absolute;
    background: white;
    padding: 12px 20px;
    border-radius: 50px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 14px;
    animation: float 3s ease-in-out infinite;
}

.floating-badge i {
    color: var(--primary-color);
}

.badge-1 {
    top: 20%;
    left: -10%;
    animation-delay: 0.5s;
}

.badge-2 {
    bottom: 20%;
    right: -10%;
    animation-delay: 1s;
}

/* ===== OFFER BANNER ===== */
.offer-banner {
    background: var(--gradient-secondary);
    padding: 24px 0;
    color: white;
}

.offer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.offer-icon {
    font-size: 40px;
    animation: pulse 2s infinite;
}

.offer-text h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 4px;
}

.offer-text p {
    font-size: 16px;
    opacity: 0.9;
}

.offer-timer {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.2);
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
}

/* ===== SECTION HEADER ===== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(45, 134, 89, 0.1);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

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

.section-description {
    font-size: 18px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== PRODUCT SECTION ===== */
.product-section {
    padding: var(--section-padding);
    background: var(--bg-white);
}

.product-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.product-image-gallery {
    position: sticky;
    top: 120px;
}

.main-product-img {
    width: 100%;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.product-info h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--dark);
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
}

.stars {
    color: #f59e0b;
    font-size: 18px;
}

.product-rating span {
    color: var(--text-light);
    font-size: 14px;
}

.pricing-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 40px;
}

.price-card {
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    position: relative;
    transition: var(--transition);
}

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

.price-card.featured {
    background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
    border-color: var(--primary-color);
    border-width: 3px;
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-secondary);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}

.price-card h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--dark);
}

.price {
    margin-bottom: 24px;
}

.current-price {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary-color);
    display: block;
}

.original-price {
    font-size: 20px;
    color: var(--text-light);
    text-decoration: line-through;
    display: inline-block;
    margin-top: 4px;
}

.package-features {
    margin-bottom: 24px;
}

.package-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    font-size: 15px;
    color: var(--text-dark);
}

.package-features i {
    color: var(--accent-color);
}

.product-highlights {
    background: var(--bg-light);
    padding: 24px;
    border-radius: 12px;
    margin-top: 32px;
}

.product-highlights h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--dark);
}

.product-highlights ul li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    font-size: 15px;
    color: var(--text-dark);
}

.product-highlights i {
    color: var(--primary-color);
    font-size: 18px;
}

/* ===== BENEFITS SECTION ===== */
.benefits-section {
    padding: var(--section-padding);
    background: var(--bg-light);
}

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

.benefit-card {
    background: white;
    padding: 40px 32px;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: white;
}

.benefit-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--dark);
}

.benefit-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
    padding: var(--section-padding);
    background: white;
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 32px;
    align-items: center;
}

.step-card {
    background: var(--bg-light);
    padding: 40px 32px;
    border-radius: 16px;
    text-align: center;
    position: relative;
    transition: var(--transition);
}

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

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.step-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}

.step-card p {
    color: var(--text-light);
    line-height: 1.6;
}

.step-arrow {
    font-size: 32px;
    color: var(--primary-color);
}

/* ===== TESTIMONIALS ===== */
.testimonials-section {
    padding: var(--section-padding);
    background: var(--bg-light);
}

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

.testimonial-card {
    background: white;
    padding: 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.testimonial-rating {
    color: #f59e0b;
    margin-bottom: 16px;
    font-size: 18px;
}

.testimonial-text {
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
}

.author-info h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
}

.author-info span {
    font-size: 14px;
    color: var(--text-light);
}

/* ===== FAQ SECTION ===== */
.faq-section {
    padding: var(--section-padding);
    background: white;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-light);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    cursor: pointer;
    user-select: none;
}

.faq-question h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    flex: 1;
}

.faq-question i {
    color: var(--primary-color);
    transition: var(--transition);
    font-size: 20px;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 24px 24px;
    color: var(--text-light);
    line-height: 1.8;
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    padding: var(--section-padding);
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    gap: 60px;
}

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

.contact-card {
    background: white;
    padding: 40px 32px;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.contact-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: white;
}

.contact-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark);
}

.contact-card p {
    color: var(--text-light);
    margin-bottom: 12px;
}

.contact-link {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 18px;
}

.contact-link:hover {
    text-decoration: underline;
}

.cta-section {
    background: var(--gradient-primary);
    padding: 60px;
    border-radius: 20px;
    text-align: center;
    color: white;
}

.cta-section h3 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 18px;
    margin-bottom: 32px;
    opacity: 0.95;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin: 16px 0 24px;
    line-height: 1.8;
}

.footer-logo {
    height: 50px;
    margin-bottom: 16px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.footer-links h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 4px;
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-contact i {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    margin-bottom: 8px;
}

.disclaimer {
    font-size: 12px;
    opacity: 0.6;
}

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

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

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 82px;
        left: -100%;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 32px;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
    }

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

    .mobile-menu-btn {
        display: block;
    }

    .hero-content,
    .product-details,
    .contact-info,
    .footer-content {
        grid-template-columns: 1fr;
    }

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

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

    .benefits-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

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

    .step-arrow {
        display: none;
    }

    .pricing-section {
        grid-template-columns: 1fr;
    }

    .cta-section {
        padding: 40px 24px;
    }

    .cta-section h3 {
        font-size: 28px;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 120px 0 40px;
    }

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

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

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

    .btn-large {
        width: 100%;
    }

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

    .offer-content {
        flex-direction: column;
        text-align: center;
    }

    .offer-text h3 {
        font-size: 20px;
    }
}