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

/* CSS Variables - Premium Medical/Cosmetics Brand */
:root {
    /* Colors - Warm, Natural, Medical */
    --primary-green: #2d5f3f;
    --primary-green-light: #4a8259;
    --primary-green-dark: #1e4029;
    --accent-sage: #8ba888;
    --accent-cream: #f7f4ef;
    --accent-terracotta: #c17a5f;
    
    --neutral-50: #fafaf9;
    --neutral-100: #f5f5f4;
    --neutral-200: #e7e5e4;
    --neutral-300: #d6d3d1;
    --neutral-700: #44403c;
    --neutral-900: #1c1917;
    
    --white: #ffffff;
    --black: #0a0a0a;
    
    /* Typography */
    --font-display: 'Cormorant Garamond', serif;
    --font-body: 'Lato', sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--neutral-700);
    line-height: 1.7;
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    color: var(--neutral-900);
    line-height: 1.2;
    font-weight: 600;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.5rem; }

/* Announcement Bar */
.announcement-bar {
    background: var(--primary-green-dark);
    color: var(--white);
    padding: var(--space-xs) 0;
    text-align: center;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Header */
.header {
    background: var(--white);
    border-bottom: 1px solid var(--neutral-200);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) 0;
}

.logo {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-green);
    letter-spacing: 0.5px;
}

.logo-tagline {
    font-size: 0.75rem;
    color: var(--neutral-700);
    font-weight: 400;
    margin-top: -4px;
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
}

.nav-links a {
    color: var(--neutral-700);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

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

.nav-cta {
    background: var(--primary-green);
    color: var(--white) !important;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.nav-cta:hover {
    background: var(--primary-green-dark);
    transform: translateY(-1px);
}

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

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--neutral-900);
    transition: var(--transition-fast);
}

/* Hero Section */
.hero {
    position: relative;
    padding: var(--space-2xl) 0;
    background: linear-gradient(135deg, var(--accent-cream) 0%, var(--neutral-50) 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(138, 168, 136, 0.1), transparent);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: var(--primary-green);
    color: var(--white);
    padding: var(--space-xs) var(--space-md);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    animation: fadeInUp 0.6s ease;
}

.hero-title {
    font-weight: 700;
    margin-bottom: var(--space-md);
    animation: fadeInUp 0.6s ease 0.1s backwards;
}

.hero-title .highlight {
    color: var(--primary-green);
    position: relative;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--neutral-700);
    margin-bottom: var(--space-lg);
    max-width: 600px;
    animation: fadeInUp 0.6s ease 0.2s backwards;
}

.hero-features {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.3s backwards;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--primary-green);
    font-weight: 500;
    font-size: 0.95rem;
}

.hero-feature svg {
    width: 20px;
    height: 20px;
}

.hero-cta-group {
    display: flex;
    gap: var(--space-md);
    animation: fadeInUp 0.6s ease 0.4s backwards;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    animation: fadeIn 0.8s ease 0.5s backwards;
}

.product-showcase {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-image-placeholder {
    position: relative;
    z-index: 2;
}

.product-bottle {
    width: 200px;
    height: 350px;
    display: flex;
    flex-direction: column;
    filter: drop-shadow(0 20px 40px rgba(45, 95, 63, 0.2));
}

.bottle-cap {
    width: 60px;
    height: 30px;
    background: var(--primary-green-dark);
    border-radius: 10px 10px 0 0;
    margin: 0 auto;
}

.bottle-body {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-light) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.bottle-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--white);
    padding: var(--space-md);
}

.bottle-brand {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.bottle-desc {
    font-size: 0.875rem;
    margin-top: var(--space-xs);
    opacity: 0.9;
}

.product-decorative-element {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(138, 168, 136, 0.15), transparent);
    border-radius: 50%;
    z-index: 1;
    animation: pulse 3s ease-in-out infinite;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.875rem 1.75rem;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

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

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

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

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

.btn-light:hover {
    background: var(--neutral-50);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-xl {
    padding: 1.25rem 2.5rem;
    font-size: 1.25rem;
}

/* Trust Section */
.trust-section {
    padding: var(--space-2xl) 0;
    background: var(--white);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
}

.trust-item {
    text-align: center;
    padding: var(--space-lg);
    transition: transform var(--transition-base);
}

.trust-item:hover {
    transform: translateY(-5px);
}

.trust-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.trust-item h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
    color: var(--primary-green);
}

.trust-item p {
    color: var(--neutral-700);
    font-size: 0.95rem;
}

/* About Section */
.about-section {
    padding: var(--space-2xl) 0;
    background: linear-gradient(to bottom, var(--neutral-50), var(--white));
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-header.centered {
    text-align: center;
}

.section-label {
    display: inline-block;
    color: var(--primary-green);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--space-sm);
}

.section-title {
    margin-bottom: var(--space-md);
}

.section-intro {
    font-size: 1.125rem;
    color: var(--neutral-700);
    max-width: 700px;
    margin: 0 auto;
}

.about-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.about-text h3 {
    margin-bottom: var(--space-md);
    color: var(--primary-green-dark);
}

.about-text p {
    margin-bottom: var(--space-md);
    font-size: 1.05rem;
}

.about-stats {
    display: flex;
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-green);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--neutral-700);
    margin-top: var(--space-xs);
}

.about-image-placeholder {
    background: var(--neutral-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 4/5;
}

.placeholder-box {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    text-align: center;
    color: var(--neutral-700);
    font-style: italic;
}

/* Product Section */
.product-section {
    padding: var(--space-2xl) 0;
    background: var(--white);
}

.product-grid {
    display: grid;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.product-feature {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--space-lg);
    align-items: start;
    padding: var(--space-xl);
    background: var(--accent-cream);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.product-feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-sage);
    line-height: 1;
}

.feature-content h3 {
    margin-bottom: var(--space-sm);
    color: var(--primary-green-dark);
}

.feature-content p {
    font-size: 1.05rem;
}

.feature-icon-large {
    font-size: 4rem;
    opacity: 0.3;
}

.ingredients-box {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    color: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
}

.ingredients-box h3 {
    color: var(--white);
    margin-bottom: var(--space-md);
}

.ingredients-box p {
    margin-bottom: var(--space-md);
    opacity: 0.95;
}

.ingredients-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-sm);
}

.ingredients-list li {
    padding: var(--space-sm);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
}

/* Usage Section */
.usage-section {
    padding: var(--space-2xl) 0;
    background: var(--neutral-50);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.step-card {
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.step-visual {
    margin-bottom: var(--space-md);
}

.step-number-large {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-light) 100%);
    color: var(--white);
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    border-radius: 50%;
}

.step-card h3 {
    margin-bottom: var(--space-sm);
    color: var(--primary-green-dark);
}

.step-card p {
    font-size: 0.95rem;
}

.usage-tip {
    display: flex;
    gap: var(--space-md);
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-green);
}

.tip-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.tip-content h4 {
    margin-bottom: var(--space-sm);
    color: var(--primary-green-dark);
}

/* Testimonials Section */
.testimonials-section {
    padding: var(--space-2xl) 0;
    background: var(--white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
}

.testimonial-card {
    background: var(--accent-cream);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.testimonial-card.featured {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    color: var(--white);
    grid-column: span 1;
}

.testimonial-card.featured .testimonial-text,
.testimonial-card.featured .author-name,
.testimonial-card.featured .author-detail {
    color: var(--white);
}

.testimonial-card.featured .author-detail {
    opacity: 0.8;
}

.testimonial-rating {
    color: #f59e0b;
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
}

.testimonial-text {
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: var(--space-lg);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--primary-green);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.testimonial-card.featured .author-avatar {
    background: var(--white);
    color: var(--primary-green);
}

.author-name {
    font-weight: 600;
    color: var(--neutral-900);
}

.author-detail {
    font-size: 0.875rem;
    color: var(--neutral-700);
}

/* FAQ Section */
.faq-section {
    padding: var(--space-2xl) 0;
    background: var(--neutral-50);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base);
}

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

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    background: none;
    border: none;
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--neutral-900);
    text-align: left;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--primary-green);
}

.faq-icon {
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

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

.faq-answer p {
    padding: 0 var(--space-lg) var(--space-lg);
    font-size: 1.05rem;
    line-height: 1.7;
}

/* CTA Section */
.cta-section {
    padding: var(--space-2xl) 0;
    background: linear-gradient(135deg, var(--primary-green-dark) 0%, var(--primary-green) 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
    background-size: 50px 50px;
    opacity: 0.3;
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-box {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    padding: var(--space-xs) var(--space-md);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.cta-title {
    color: var(--white);
    margin-bottom: var(--space-md);
}

.cta-text {
    color: var(--white);
    font-size: 1.25rem;
    margin-bottom: var(--space-xl);
    opacity: 0.95;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
    color: var(--white);
    font-size: 0.95rem;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--neutral-900);
    color: var(--neutral-300);
    padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-logo {
    margin-bottom: var(--space-md);
}

.footer-logo .logo-text {
    color: var(--white);
}

.footer-logo .logo-tagline {
    color: var(--neutral-300);
}

.footer-desc {
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-col h4 {
    color: var(--white);
    font-size: 1.125rem;
    margin-bottom: var(--space-md);
    font-family: var(--font-body);
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: var(--space-sm);
}

.footer-col a {
    color: var(--neutral-300);
    text-decoration: none;
    transition: color var(--transition-fast);
    font-size: 0.95rem;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    gap: var(--space-md);
}

.footer-links a {
    color: var(--neutral-300);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.15; }
    50% { transform: scale(1.05); opacity: 0.2; }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content,
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .hero-visual {
        order: -1;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero {
        padding: var(--space-xl) 0;
    }
    
    .hero-cta-group {
        flex-direction: column;
    }
    
    .btn-lg,
    .btn-xl {
        width: 100%;
        justify-content: center;
    }
    
    .about-stats {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .product-feature {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-md);
    }
    
    .feature-number {
        justify-self: center;
    }
    
    .feature-icon-large {
        justify-self: center;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
    
    .cta-features {
        flex-direction: column;
        gap: var(--space-sm);
    }
}

/* Print Styles */
@media print {
    .header,
    .announcement-bar,
    .cta-section,
    .footer {
        display: none;
    }
}
