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

:root {
    --white: #ffffff;
    --cream: #fafafa;
    --light-cream: #f5f5f3;
    --soft-gray: #f0f0ee;
    --text-dark: #1c1c1a;
    --text-medium: #3a3a38;
    --text-light: #6b6b69;
    --accent-teal: #2d8a7f;
    --accent-teal-dark: #1f6b62;
    --accent-teal-light: #e8f5f3;
    --border-subtle: #e5e5e3;
    --shadow-minimal: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.06);
    --shadow-elevated: 0 8px 32px rgba(0, 0, 0, 0.08);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.75;
    color: var(--text-dark);
    background-color: var(--white);
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -0.01em;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

/* Header - Minimalist */
.header {
    background-color: var(--white);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-subtle);
    backdrop-filter: blur(20px);
    background-color: rgba(255, 255, 255, 0.85);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.03em;
    text-transform: uppercase;
    font-size: 1.25rem;
}

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

/* Hero - Full Width Split */
.hero {
    margin-top: 80px;
    min-height: 85vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--light-cream) 0%, var(--cream) 50%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-teal-light) 0%, transparent 70%);
    opacity: 0.4;
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    padding: 6rem 0;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    margin-bottom: 2rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.1;
    color: var(--text-dark);
}

.subtitle {
    font-size: clamp(1.15rem, 2.5vw, 1.4rem);
    color: var(--text-medium);
    font-weight: 400;
    line-height: 1.6;
    margin-bottom: 3rem;
}

.hero-cta {
    display: inline-block;
    background-color: var(--accent-teal);
    color: var(--white);
    padding: 1.25rem 3rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-soft);
    letter-spacing: 0.01em;
}

.hero-cta:hover {
    background-color: var(--accent-teal-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-elevated);
}

/* Product Showcase - Asymmetric Grid */
.product-showcase {
    padding: 8rem 0;
    background-color: var(--white);
}

.showcase-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 6rem;
    align-items: center;
}

.product-visual {
    position: relative;
}

.carousel-container {
    position: relative;
    width: 100%;
    background-color: var(--soft-gray);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-elevated);
}

.carousel-slides {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
}

.carousel-slide {
    display: none;
    width: 100%;
    height: 100%;
    background-color: var(--white);
}

.carousel-slide.active {
    display: block;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 2rem;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--white);
    color: var(--text-dark);
    border: 2px solid var(--border-subtle);
    padding: 0;
    font-size: 24px;
    cursor: pointer;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-soft);
}

.carousel-btn:hover {
    background-color: var(--accent-teal);
    color: var(--white);
    border-color: var(--accent-teal);
    transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
    left: 24px;
}

.carousel-next {
    right: 24px;
}

.carousel-dots {
    text-align: center;
    padding: 24px 0;
    display: flex;
    justify-content: center;
    gap: 12px;
}

.dot {
    cursor: pointer;
    height: 10px;
    width: 10px;
    background-color: var(--border-subtle);
    border-radius: 50%;
    display: inline-block;
    transition: all 0.3s ease;
}

.dot.active {
    background-color: var(--accent-teal);
    width: 32px;
    border-radius: 10px;
}

.product-details {
    padding-left: 2rem;
}

.product-badge {
    display: inline-block;
    background-color: var(--accent-teal-light);
    color: var(--accent-teal-dark);
    padding: 0.6rem 1.4rem;
    border-radius: 50px;
    font-size: 0.85rem;
    margin-bottom: 2rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.product-details h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.product-description {
    margin-bottom: 2.5rem;
    color: var(--text-medium);
    line-height: 1.9;
    font-size: 1.1rem;
}

.product-features {
    margin-bottom: 3rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    background-color: var(--soft-gray);
    border-radius: 12px;
}

.feature-icon {
    color: var(--accent-teal);
    font-weight: 700;
    font-size: 1.3rem;
    width: 28px;
    flex-shrink: 0;
    margin-top: 2px;
}

.feature span {
    color: var(--text-medium);
    font-size: 0.95rem;
    line-height: 1.6;
}

.product-specs {
    background: linear-gradient(135deg, var(--soft-gray) 0%, var(--light-cream) 100%);
    padding: 2.5rem;
    border-radius: 20px;
    margin-bottom: 2.5rem;
    border: 1px solid var(--border-subtle);
}

.product-specs h3 {
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    font-size: 1.4rem;
    font-weight: 700;
}

.product-specs p {
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

.product-price {
    margin-bottom: 2rem;
}

.price-label {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-dark);
}

.btn-primary {
    background-color: var(--accent-teal);
    color: var(--white);
    padding: 1.25rem 3rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    letter-spacing: 0.01em;
    box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
    background-color: var(--accent-teal-dark);
    box-shadow: var(--shadow-elevated);
    transform: translateY(-2px);
}

/* Benefits - Card Grid */
.benefits-section {
    padding: 8rem 0;
    background: linear-gradient(180deg, var(--white) 0%, var(--cream) 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-medium);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.benefit-card {
    background-color: var(--white);
    padding: 3rem 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-minimal);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--accent-teal);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

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

.benefit-card:hover::before {
    transform: scaleY(1);
}

.benefit-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.benefit-card p {
    color: var(--text-medium);
    line-height: 1.8;
    font-size: 1rem;
}

/* Comparison - Side by Side Cards */
.comparison-section {
    padding: 8rem 0;
    background-color: var(--white);
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 4rem;
}

.comparison-card {
    background-color: var(--cream);
    padding: 3.5rem;
    border-radius: 24px;
    border: 2px solid var(--border-subtle);
    position: relative;
}

.comparison-card.positive {
    background: linear-gradient(135deg, var(--accent-teal-light) 0%, var(--white) 100%);
    border-color: var(--accent-teal);
}

.comparison-card h3 {
    margin-bottom: 2rem;
    color: var(--text-dark);
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.comparison-card p {
    margin-bottom: 1.25rem;
    color: var(--text-medium);
    line-height: 1.9;
    font-size: 1.05rem;
}

/* Guarantee - Centered Card */
.guarantee-section {
    padding: 8rem 0;
    background: linear-gradient(135deg, var(--light-cream) 0%, var(--cream) 100%);
}

.guarantee-card {
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--white);
    padding: 5rem 4rem;
    border-radius: 24px;
    text-align: center;
    box-shadow: var(--shadow-elevated);
    border: 1px solid var(--border-subtle);
}

.guarantee-card h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    margin-bottom: 2rem;
    color: var(--text-dark);
    font-weight: 700;
    letter-spacing: -0.03em;
}

.guarantee-card p {
    font-size: 1.15rem;
    color: var(--text-medium);
    line-height: 1.9;
}

/* FAQ - Accordion Style */
.faq-section {
    padding: 8rem 0;
    background-color: var(--white);
}

.faq-list {
    max-width: 900px;
    margin: 4rem auto 0;
}

.faq-item {
    background-color: var(--cream);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 2.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-minimal);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: var(--shadow-soft);
    border-color: var(--accent-teal);
}

.faq-item h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.faq-item p {
    color: var(--text-medium);
    line-height: 1.9;
    font-size: 1.05rem;
}

/* Contact - Split Layout */
.contact-section {
    padding: 8rem 0;
    background: linear-gradient(180deg, var(--white) 0%, var(--light-cream) 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 4rem;
    align-items: center;
}

.contact-info h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    font-weight: 700;
    letter-spacing: -0.03em;
}

.contact-info p {
    font-size: 1.15rem;
    color: var(--text-medium);
    line-height: 1.9;
    margin-bottom: 3rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background-color: var(--white);
    border-radius: 16px;
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-minimal);
}

.contact-item strong {
    font-size: 1.25rem;
    color: var(--text-dark);
    font-weight: 700;
    display: block;
    margin-bottom: 0.25rem;
}

.contact-item span {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Footer */
.footer {
    background-color: var(--text-dark);
    color: var(--white);
    padding: 5rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-legal h3 {
    color: var(--white);
    margin-bottom: 2rem;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.legal-info {
    margin-bottom: 2.5rem;
}

.legal-info p {
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 0.75rem;
    line-height: 1.8;
    font-size: 0.95rem;
}

.legal-info strong {
    color: var(--white);
}

.health-notice {
    background-color: rgba(255, 255, 255, 0.08);
    padding: 2.5rem;
    border-radius: 16px;
    margin-bottom: 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.health-notice h4 {
    color: var(--white);
    margin-bottom: 1.25rem;
    font-weight: 700;
    font-size: 1.2rem;
}

.health-notice p {
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.9;
    font-size: 0.95rem;
}

.contact-info-footer {
    margin-bottom: 2rem;
}

.contact-info-footer p {
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 0.75rem;
    line-height: 1.8;
    font-size: 0.95rem;
}

.contact-info-footer strong {
    color: var(--white);
}

.contact-info-footer a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-info-footer a:hover {
    color: var(--white);
    text-decoration: underline;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-links {
    display: flex;
    gap: 2.5rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* Legal Pages */
.legal-page {
    padding: 8rem 0 6rem;
    min-height: 70vh;
    background-color: var(--white);
    margin-top: 80px;
}

.legal-page h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: 3rem;
    color: var(--text-dark);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.legal-page section {
    margin-bottom: 4rem;
    padding: 2.5rem;
    background-color: var(--cream);
    border-radius: 16px;
    border: 1px solid var(--border-subtle);
}

.legal-page h2 {
    font-size: 1.9rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.legal-page h3 {
    font-size: 1.4rem;
    margin-bottom: 1.25rem;
    margin-top: 2rem;
    color: var(--text-dark);
    font-weight: 700;
}

.legal-page p {
    margin-bottom: 1.25rem;
    color: var(--text-medium);
    line-height: 1.9;
    font-size: 1.05rem;
}

.legal-page ul {
    margin-left: 2.5rem;
    margin-bottom: 1.5rem;
}

.legal-page ul li {
    margin-bottom: 1rem;
    color: var(--text-medium);
    line-height: 1.8;
    font-size: 1.05rem;
}

.legal-page a {
    color: var(--accent-teal);
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
}

.legal-page a:hover {
    color: var(--accent-teal-dark);
    text-decoration: underline;
}

.withdrawal-form {
    background-color: var(--white);
    padding: 3rem;
    border-radius: 16px;
    margin: 2.5rem 0;
    border: 2px solid var(--border-subtle);
}

.withdrawal-form p {
    margin-bottom: 1.25rem;
    color: var(--text-medium);
    font-size: 1.05rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .showcase-container {
        grid-template-columns: 1fr;
        gap: 4rem;
    }

    .product-details {
        padding-left: 0;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 24px;
    }

    .header-top {
        padding: 1.25rem 0;
    }

    .hero {
        margin-top: 70px;
        min-height: 70vh;
    }

    .hero-content {
        padding: 4rem 0;
    }

    .product-showcase,
    .benefits-section,
    .comparison-section,
    .guarantee-section,
    .faq-section,
    .contact-section {
        padding: 5rem 0;
    }

    .carousel-slides {
        height: 450px;
    }

    .comparison-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }

    .legal-page {
        margin-top: 70px;
        padding: 4rem 0 3rem;
    }

    .legal-page section {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .carousel-slides {
        height: 350px;
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    .carousel-prev {
        left: 12px;
    }

    .carousel-next {
        right: 12px;
    }

    .benefit-card,
    .comparison-card,
    .faq-item {
        padding: 2rem 1.5rem;
    }

    .guarantee-card {
        padding: 3rem 2rem;
    }

    .product-specs {
        padding: 2rem;
    }
}

/* Image Placeholders */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

a:focus,
button:focus {
    outline: 3px solid var(--accent-teal);
    outline-offset: 3px;
    border-radius: 4px;
}