:root {
    --color-primary: #1a2b3c;
    --color-secondary: #c9a55c;
    --color-accent: #2d4a5e;
    --color-bg-light: #f8f7f5;
    --color-bg-dark: #0f1a24;
    --color-text: #2c3e50;
    --color-text-light: #f5f5f5;
    --color-muted: #6b7c8d;
    --color-border: #d4d4d4;
    --font-heading: 'Georgia', serif;
    --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    --max-width: 1200px;
    --max-width-narrow: 720px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg-light);
}

img {
    max-width: 100%;
    height: auto;
    object-fit: cover;
}

a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.3;
    color: var(--color-primary);
}

h1 { font-size: 2.8rem; margin-bottom: 1.2rem; }
h2 { font-size: 2.2rem; margin-bottom: 1rem; }
h3 { font-size: 1.6rem; margin-bottom: 0.8rem; }
h4 { font-size: 1.3rem; margin-bottom: 0.6rem; }

p { margin-bottom: 1.2rem; }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.container-narrow {
    max-width: var(--max-width-narrow);
    margin: 0 auto;
    padding: 0 24px;
}

.ad-disclosure {
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
    text-align: center;
    padding: 8px 16px;
    font-size: 12px;
    letter-spacing: 0.5px;
}

header {
    background-color: #fff;
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 24px;
    max-width: var(--max-width);
    margin: 0 auto;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-primary);
    letter-spacing: 1px;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    margin: 5px 0;
    transition: 0.3s;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 32px;
}

nav a {
    color: var(--color-text);
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--color-secondary);
}

.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg-dark);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.4;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 60px 24px;
    max-width: 800px;
}

.hero h1 {
    color: var(--color-text-light);
    font-size: 3.2rem;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.hero p {
    color: rgba(255,255,255,0.9);
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    padding: 16px 36px;
    background-color: var(--color-secondary);
    color: var(--color-primary);
    font-weight: 600;
    font-size: 15px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn:hover {
    background-color: #b8944b;
    color: var(--color-primary);
    transform: translateY(-2px);
}

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

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

.btn-dark {
    background-color: var(--color-primary);
    color: var(--color-text-light);
}

.btn-dark:hover {
    background-color: var(--color-accent);
}

.section {
    padding: 80px 0;
}

.section-dark {
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
}

.section-dark h2, .section-dark h3 {
    color: var(--color-text-light);
}

.section-alt {
    background-color: #edeae5;
}

.section-accent {
    background-color: var(--color-accent);
    color: var(--color-text-light);
}

.section-accent h2, .section-accent h3 {
    color: var(--color-text-light);
}

.text-center { text-align: center; }
.text-muted { color: var(--color-muted); }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }
.mt-4 { margin-top: 2rem; }

.intro-block {
    display: flex;
    gap: 60px;
    align-items: center;
}

.intro-block-reverse {
    flex-direction: row-reverse;
}

.intro-text {
    flex: 1;
}

.intro-image {
    flex: 1;
    background-color: var(--color-muted);
    min-height: 400px;
    position: relative;
}

.intro-image img {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    object-fit: cover;
}

.story-section {
    max-width: var(--max-width-narrow);
    margin: 0 auto;
    padding: 60px 24px;
}

.story-section p {
    font-size: 1.15rem;
    margin-bottom: 1.8rem;
}

.story-section .quote {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-style: italic;
    color: var(--color-accent);
    border-left: 4px solid var(--color-secondary);
    padding-left: 24px;
    margin: 2.5rem 0;
}

.problem-grid {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

.problem-card {
    flex: 1;
    background-color: #fff;
    padding: 32px;
    border-left: 4px solid var(--color-secondary);
}

.problem-card h4 {
    color: var(--color-accent);
    margin-bottom: 12px;
}

.trust-elements {
    display: flex;
    gap: 48px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 40px;
}

.trust-item {
    text-align: center;
}

.trust-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--color-secondary);
    line-height: 1;
}

.trust-label {
    font-size: 14px;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 8px;
}

.testimonial-grid {
    display: flex;
    gap: 32px;
    margin-top: 48px;
}

.testimonial-card {
    flex: 1;
    background-color: #fff;
    padding: 36px;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    font-family: var(--font-heading);
    font-size: 5rem;
    color: var(--color-secondary);
    opacity: 0.3;
    position: absolute;
    top: 10px;
    left: 20px;
    line-height: 1;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    font-weight: 600;
    color: var(--color-primary);
}

.testimonial-role {
    font-size: 14px;
    color: var(--color-muted);
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 600px;
    margin: 40px auto 0;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.benefit-icon {
    width: 40px;
    height: 40px;
    background-color: var(--color-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.benefit-icon svg {
    width: 20px;
    height: 20px;
    fill: var(--color-primary);
}

.service-cards {
    display: flex;
    gap: 28px;
    margin-top: 48px;
    flex-wrap: wrap;
}

.service-card {
    flex: 1;
    min-width: 280px;
    background-color: #fff;
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.1);
}

.service-card-image {
    height: 200px;
    background-color: var(--color-muted);
    position: relative;
}

.service-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.service-card-content {
    padding: 28px;
}

.service-card h3 {
    margin-bottom: 12px;
}

.service-card p {
    color: var(--color-muted);
    font-size: 15px;
    margin-bottom: 16px;
}

.service-price {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--color-secondary);
    margin-bottom: 16px;
}

.service-price span {
    font-size: 14px;
    color: var(--color-muted);
}

.cta-banner {
    background-color: var(--color-primary);
    padding: 60px 24px;
    text-align: center;
}

.cta-banner h2 {
    color: var(--color-text-light);
    margin-bottom: 16px;
}

.cta-banner p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 24px;
}

.form-section {
    background-color: var(--color-bg-dark);
    padding: 80px 24px;
}

.form-wrapper {
    max-width: 600px;
    margin: 0 auto;
    background-color: #fff;
    padding: 48px;
}

.form-wrapper h2 {
    text-align: center;
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--color-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--color-border);
    font-family: var(--font-body);
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-submit {
    text-align: center;
    margin-top: 32px;
}

.form-submit .btn {
    width: 100%;
    padding: 18px 36px;
}

.ingredients-section {
    background-color: #fff;
    padding: 60px;
    margin-top: 48px;
}

.ingredients-grid {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}

.ingredient-item {
    flex: 1;
    min-width: 200px;
    text-align: center;
    padding: 24px;
}

.ingredient-name {
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.ingredient-desc {
    font-size: 14px;
    color: var(--color-muted);
}

.references-section {
    background-color: var(--color-bg-light);
    padding: 40px 24px;
    border-top: 1px solid var(--color-border);
}

.references-list {
    max-width: var(--max-width-narrow);
    margin: 0 auto;
}

.references-list h4 {
    margin-bottom: 16px;
}

.references-list ol {
    padding-left: 24px;
}

.references-list li {
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--color-muted);
}

.references-list a {
    color: var(--color-accent);
    word-break: break-word;
}

footer {
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
    padding: 60px 24px 24px;
}

.footer-grid {
    display: flex;
    gap: 48px;
    max-width: var(--max-width);
    margin: 0 auto;
    flex-wrap: wrap;
}

.footer-col {
    flex: 1;
    min-width: 200px;
}

.footer-col h4 {
    color: var(--color-secondary);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

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

.footer-col li {
    margin-bottom: 10px;
}

.footer-col a {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    transition: color 0.3s;
}

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

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

.footer-bottom {
    max-width: var(--max-width);
    margin: 48px auto 0;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    margin: 0;
}

.disclaimer {
    background-color: #1a1a1a;
    padding: 24px;
    margin-top: 24px;
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    line-height: 1.6;
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
    padding: 20px 24px;
    z-index: 1000;
    display: none;
}

.cookie-banner.active {
    display: block;
}

.cookie-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.cookie-text {
    flex: 1;
    font-size: 14px;
}

.cookie-text a {
    color: var(--color-secondary);
}

.cookie-buttons {
    display: flex;
    gap: 12px;
}

.cookie-buttons .btn {
    padding: 12px 24px;
    font-size: 13px;
}

.thanks-wrapper {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 24px;
}

.thanks-content {
    max-width: 600px;
}

.thanks-icon {
    width: 80px;
    height: 80px;
    background-color: var(--color-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 32px;
}

.thanks-icon svg {
    width: 40px;
    height: 40px;
    fill: var(--color-primary);
}

.thanks-content h1 {
    margin-bottom: 16px;
}

.thanks-content p {
    color: var(--color-muted);
    margin-bottom: 32px;
}

.page-header {
    background-color: var(--color-primary);
    padding: 80px 24px;
    text-align: center;
}

.page-header h1 {
    color: var(--color-text-light);
    margin-bottom: 8px;
}

.page-header p {
    color: rgba(255,255,255,0.7);
}

.content-page {
    padding: 60px 24px;
}

.content-page .container-narrow {
    background-color: #fff;
    padding: 48px;
}

.content-page h2 {
    margin-top: 32px;
    margin-bottom: 16px;
}

.content-page ul {
    padding-left: 24px;
    margin-bottom: 16px;
}

.content-page li {
    margin-bottom: 8px;
}

.contact-grid {
    display: flex;
    gap: 48px;
    margin-top: 40px;
}

.contact-info {
    flex: 1;
}

.contact-item {
    margin-bottom: 24px;
}

.contact-item h4 {
    color: var(--color-secondary);
    margin-bottom: 8px;
}

.about-values {
    display: flex;
    gap: 32px;
    margin-top: 40px;
}

.value-card {
    flex: 1;
    background-color: var(--color-bg-light);
    padding: 32px;
    text-align: center;
}

.value-card h4 {
    margin-bottom: 12px;
    color: var(--color-accent);
}

.sticky-cta {
    position: fixed;
    bottom: 80px;
    right: 24px;
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.sticky-cta.visible {
    opacity: 1;
    visibility: visible;
}

.sticky-cta .btn {
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.science-section {
    background-color: #fff;
}

.science-grid {
    display: flex;
    gap: 40px;
    align-items: center;
}

.science-text {
    flex: 1;
}

.science-image {
    flex: 1;
    background-color: var(--color-muted);
    min-height: 350px;
    position: relative;
}

.science-image img {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    object-fit: cover;
}

.citation {
    color: var(--color-secondary);
    font-size: 12px;
    vertical-align: super;
    cursor: pointer;
}

.citation:hover {
    text-decoration: underline;
}

@media (max-width: 900px) {
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; }

    .nav-toggle {
        display: block;
    }

    nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: #fff;
        border-top: 1px solid var(--color-border);
        display: none;
    }

    nav.active {
        display: block;
    }

    nav ul {
        flex-direction: column;
        padding: 24px;
        gap: 16px;
    }

    .hero {
        min-height: 70vh;
    }

    .hero h1 {
        font-size: 2.4rem;
    }

    .intro-block,
    .intro-block-reverse {
        flex-direction: column;
    }

    .intro-image {
        min-height: 300px;
        width: 100%;
    }

    .problem-grid,
    .testimonial-grid,
    .service-cards {
        flex-direction: column;
    }

    .science-grid {
        flex-direction: column;
    }

    .science-image {
        min-height: 280px;
        width: 100%;
    }

    .footer-grid {
        flex-direction: column;
    }

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

    .cookie-inner {
        flex-direction: column;
        text-align: center;
    }

    .contact-grid {
        flex-direction: column;
    }

    .about-values {
        flex-direction: column;
    }

    .form-wrapper {
        padding: 32px 24px;
    }

    .trust-elements {
        gap: 32px;
    }
}

@media (max-width: 600px) {
    body {
        font-size: 16px;
    }

    .section {
        padding: 48px 0;
    }

    .hero-content {
        padding: 40px 16px;
    }

    .btn {
        padding: 14px 28px;
    }

    .service-card {
        min-width: 100%;
    }

    .ingredients-section {
        padding: 32px 24px;
    }

    .ingredients-grid {
        flex-direction: column;
    }
}