:root {
    --color-primary: #004D4D;
    --color-secondary: #E8ECEF;
    --color-accent: #CCFF00;
    --color-bg: #FFFFFF;
    --color-text: #1a1a1a;
    --color-text-muted: #5a5a5a;
    --font-main: 'DM Sans', system-ui, sans-serif;
    --radius: 16px;
    --radius-btn: 24px;
    --shadow: 0 4px 24px rgba(0, 77, 77, 0.08);
    --shadow-hover: 0 8px 32px rgba(0, 77, 77, 0.12);
    --spacing: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --header-height: 72px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    overflow-x: hidden;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-main);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

main {
    flex: 1;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing);
}

.section {
    padding: var(--spacing-xl) 0;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.section.visible {
    opacity: 1;
    transform: translateY(0);
}

.section.visible .card {
    animation: fluidAppear 0.5s ease both;
}

.section.visible .section__grid .card:nth-child(1) { animation-delay: 0.05s; }
.section.visible .section__grid .card:nth-child(2) { animation-delay: 0.1s; }
.section.visible .section__grid .card:nth-child(3) { animation-delay: 0.15s; }
.section.visible .section__content .card:nth-child(1) { animation-delay: 0.05s; }
.section.visible .section__content .card:nth-child(2) { animation-delay: 0.1s; }

@keyframes fluidAppear {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section--alt {
    background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-bg) 100%);
}

.section h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--color-primary);
    text-align: center;
    margin: 0 0 var(--spacing-lg);
}

.section h3 {
    font-size: 1.25rem;
    color: var(--color-primary);
}

.section__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    justify-content: center;
}

.section__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-lg);
    justify-items: center;
}

.section__grid--3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card {
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    transition: var(--transition);
}

.card--holographic {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow);
    border: 1px solid rgba(232, 236, 239, 0.5);
}

.card--holographic:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 77, 77, 0.1);
}

.card__icon {
    font-size: 2rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing);
}

.card--review .card__review-text {
    font-style: italic;
}

.card__review-author {
    display: block;
    margin-top: var(--spacing);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(232, 236, 239, 0.6);
}

.header__brand {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition);
}

.header__brand:hover {
    color: var(--color-accent);
}

.header__nav-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.header__nav a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.header__nav a:hover {
    color: var(--color-accent);
}

.header__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.header__burger-line {
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 1px;
    transition: var(--transition);
}

.burger-menu {
    position: fixed;
    inset: 0;
    z-index: 999;
    pointer-events: none;
    visibility: hidden;
}

.burger-menu.is-open {
    pointer-events: auto;
    visibility: visible;
}

.burger-menu__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 77, 77, 0.3);
    opacity: 0;
    transition: var(--transition);
}

.burger-menu.is-open .burger-menu__overlay {
    opacity: 1;
}

.burger-menu__panel {
    position: absolute;
    top: 0;
    right: 0;
    width: min(100vw, 1023px);
    height: 100%;
    background: var(--color-bg);
    box-shadow: -4px 0 24px rgba(0, 77, 77, 0.15);
    transform: translateX(100%);
    transition: transform var(--transition);
    padding: calc(var(--header-height) + var(--spacing)) var(--spacing-lg) var(--spacing-lg);
}

.burger-menu.is-open .burger-menu__panel {
    transform: translateX(0);
}

.burger-menu__nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.burger-menu__nav a {
    display: block;
    padding: 1rem 0;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid var(--color-secondary);
}

.burger-menu__nav a:hover {
    color: var(--color-accent);
}

.hero {
    position: relative;
    min-height: auto;
    padding: var(--spacing-xl) 0;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 77, 77, 0.03) 0%, rgba(232, 236, 239, 0.5) 100%);
    z-index: -1;
}

.hero__inner {
    display: grid;
    align-items: start;
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.hero__product {
    margin: 0;
    position: sticky;
    top: calc(var(--header-height) + var(--spacing));
}

.hero__product img {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: var(--radius);
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--color-primary);
    margin: 0 0 var(--spacing);
}

.hero__tagline {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin: 0 0 var(--spacing);
}

.hero__rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing);
}

.hero__stars {
    color: var(--color-accent);
}

.hero__desc {
    margin: 0 0 var(--spacing);
}

.hero__badge {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    background: linear-gradient(135deg, var(--color-accent) 0%, #b8e600 100%);
    color: var(--color-primary);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-btn);
    margin-bottom: var(--spacing);
}

.hero__pricing {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: var(--spacing-lg);
}

.hero__price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
}

.hero__old-price {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    text-decoration: line-through;
}

.order-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing);
}

.order-form input,
.order-form textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-secondary);
    border-radius: var(--radius);
    font-family: var(--font-main);
    font-size: 1rem;
}

.order-form input:focus,
.order-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.order-form__gdpr {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9rem;
}

.order-form__gdpr input {
    width: auto;
    margin-top: 0.25rem;
}

.order-form__gdpr a {
    color: var(--color-primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.5rem;
    font-family: var(--font-main);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-btn);
    cursor: pointer;
    transition: var(--transition);
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-accent) 0%, #b8e600 100%);
    color: var(--color-primary);
    box-shadow: 0 2px 12px rgba(204, 255, 0, 0.3);
}

.btn--primary:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 20px rgba(204, 255, 0, 0.4);
}

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

.btn--ghost {
    background: transparent;
    color: var(--color-primary);
}

.contact__content {
    max-width: 500px;
    margin: 0 auto;
}

.contact__email {
    margin-top: var(--spacing);
    text-decoration: none;
}

.faq__item {
    margin-bottom: 0.5rem;
}

.faq__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(232, 236, 239, 0.5);
    border-radius: var(--radius);
    font-family: var(--font-main);
    font-size: 1rem;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

.faq__question:hover {
    background: rgba(255, 255, 255, 0.9);
}

.faq__question::after {
    content: '+';
    font-size: 1.5rem;
    transition: transform var(--transition);
}

.faq__question[aria-expanded="true"]::after {
    transform: rotate(45deg);
}

.faq__answer {
    padding: 0 1.25rem 1rem;
}

.faq__answer p {
    margin: 0;
    padding: 1rem 0;
}

.disclaimer {
    padding: var(--spacing-lg);
    background: var(--color-secondary);
    text-align: center;
}

.disclaimer p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.footer {
    margin-top: auto;
    padding: var(--spacing-lg);
    background: var(--color-primary);
    color: var(--color-bg);
}

.footer__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing);
}

.footer__nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
}

.footer__nav a {
    color: var(--color-bg);
    text-decoration: none;
}

.footer__nav a:hover {
    color: var(--color-accent);
}

.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-lg);
    background: var(--color-bg);
    box-shadow: 0 -4px 24px rgba(0, 77, 77, 0.1);
    z-index: 1000;
}

.cookie-consent__content {
    max-width: 800px;
    margin: 0 auto;
}

.cookie-consent__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.cookie-settings {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-secondary);
}

.cookie-settings label {
    display: block;
    margin-bottom: 0.5rem;
}

.cookie-settings__save {
    margin-top: 1rem;
}

.legal-page main {
    padding: var(--spacing-xl) 0;
}

.legal-page .container {
    max-width: 720px;
    margin: 0 auto;
}

.legal-page h1 {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.legal-page h2 {
    font-size: 1.25rem;
    margin-top: 2rem;
    color: var(--color-primary);
}

.legal-page p {
    margin: 0.75rem 0;
}

.thank-you__content {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.thank-you__content h1 {
    color: var(--color-primary);
}

@media (max-width: 1023px) {
    .header__nav {
        display: none;
    }

    .header__burger {
        display: flex;
    }

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

    .hero__product {
        position: static;
        max-width: 300px;
        margin: 0 auto;
    }
}

@media (max-width: 640px) {
    .section__grid,
    .section__grid--3 {
        grid-template-columns: 1fr;
    }

    .footer__inner {
        flex-direction: column;
    }
}