:root {
    --color-background: #ffffff;
    --color-text: #111827;
    --color-primary: #2563EB;
    --color-primary-dark: #1D4ED8;
    --color-secondary: #10B981;
    --color-neutral-light: #F3F4F6;
    --color-neutral-medium: #E5E7EB;
    --color-neutral-dark: #9CA3AF;
    --color-error: #DC2626;

    --font-family-base: 'Inter', sans-serif;
    --container-width: 1140px;
    --header-height: 80px;

    --shadow-soft: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition-fast: all 0.2s ease-in-out;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family-base);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

ul {
    list-style: none;
}

h1,
h2,
h3 {
    line-height: 1.2;
    font-weight: 700;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.25rem;
}




.container {
    max-width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

.section {
    padding: 4rem 0;
}

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

.section__title {
    margin-bottom: 2rem;
    text-align: center;
}

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

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    text-align: center;
    transition: var(--transition-fast);
    text-decoration: none;
}

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

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    color: #fff;
    text-decoration: none;
}

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

.btn--secondary:hover {
    background-color: var(--color-primary);
    color: #fff;
    text-decoration: none;
}

.btn--tertiary {
    background-color: transparent;
    color: var(--color-text);
    text-decoration: underline;
    padding: 0.5rem;
}

.btn--tertiary:hover {
    color: var(--color-primary);
}


.btn--large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn--full {
    width: 100%;
}





.header {
    background-color: var(--color-background);
    height: var(--header-height);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: var(--shadow-soft);
}

.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.header__logo {
    font-size: 25px;
    font-weight: 700;
}

.header__nav {
    display: none;
}

.header__nav-list {
    display: flex;
    gap: 1.5rem;
}

.header__nav-link {
    color: var(--color-text);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.header__nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition-fast);
}

.header__nav-link:hover::after {
    width: 100%;
}

.header__nav-link:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.header__actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header__menu-toggle {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text);
    display: block;
}


.header__nav.is-active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: var(--color-background);
    padding: 1rem;
    box-shadow: var(--shadow-medium);
}

.header__nav.is-active .header__nav-list {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}





.hero {
    padding-top: calc(var(--header-height) + 3rem);
    padding-bottom: 3rem;
    background-color: var(--color-neutral-light);
}

.hero__container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    text-align: center;
}

.hero__content {
    max-width: 600px;
}

.hero__title {
    margin-bottom: 1rem;
    font-size: 2.2rem;
    font-weight: 800;
}

.hero__subtitle {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--color-neutral-dark);
}

.hero__buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero__image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
}




.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.benefit-card {
    background-color: var(--color-background);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    text-align: center;
}

.benefit-card__icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.benefit-card__title {
    margin-bottom: 0.5rem;
}




.catalog-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.product-card {
    background: var(--color-background);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.product-card__image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.product-card__content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-card__title {
    margin-bottom: 0.5rem;
}

.product-card__description {
    font-size: 0.9rem;
    color: #6B7280;
    flex-grow: 1;
    margin-bottom: 1rem;
}

.product-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    background-color: var(--color-neutral-light);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.8rem;
    color: #4B5563;
}

.tag i {
    margin-right: 0.25rem;
    color: var(--color-secondary);
}

.product-card__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.product-card__price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
}





.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

.step-card {
    text-align: center;
}

.step-card__icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    background-color: var(--color-neutral-light);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    color: var(--color-secondary);
}

.step-card__title {
    margin-bottom: 0.5rem;
}





.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.review-card {
    background-color: var(--color-background);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
}

.review-card__stars {
    color: #FBBF24;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.review-card__text {
    font-style: italic;
    margin-bottom: 1rem;
}

.review-card__author {
    font-weight: 500;
    color: var(--color-neutral-dark);
}




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

.faq-item {
    border-bottom: 1px solid var(--color-neutral-medium);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: 1.5rem 0;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question i {
    transition: transform 0.2s ease;
}

.faq-question[aria-expanded="true"] i {
    transform: rotate(180deg);
}

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

.faq-answer p {
    padding: 0 0 1.5rem 0;
}




.about-container {
    max-width: 800px;
    text-align: center;
}

.about__content p {
    margin-bottom: 1rem;
}




.contact-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.contact__details {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact__details li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact__details i {
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-top: 0.25rem;
}

.contact__map {
    margin-top: 2rem;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}


.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-neutral-medium);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.form-group--checkbox {
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
}

.form-group--checkbox label {
    margin-bottom: 0;
}

.form-error-message {
    color: var(--color-error);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: none;
}

input.is-invalid,
textarea.is-invalid {
    border-color: var(--color-error);
}

.form-status-message {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: var(--border-radius);
    text-align: center;
    display: none;
}

.form-status-message.success {
    background-color: #D1FAE5;
    color: #065F46;
    display: block;
}

.form-status-message.error {
    background-color: #FEE2E2;
    color: #991B1B;
    display: block;
}





.footer {
    background-color: var(--color-text);
    color: var(--color-neutral-light);
    padding: 3rem 0;
    text-align: center;
}

.footer__container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.footer__links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.footer__links a {
    color: var(--color-neutral-light);
}

.footer__links a:hover {
    color: #fff;
    text-decoration: underline;
}

.footer__social {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    font-size: 1.5rem;
}

.footer__social a {
    color: var(--color-neutral-light);
}

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

.footer__disclaimer {
    font-size: 0.8rem;
    color: var(--color-neutral-dark);
    margin-top: 0.5rem;
}




.legal-page {
    padding: calc(var(--header-height) + 3rem) 0 3rem;
}

.legal-page .container {
    max-width: 800px;
}

.legal-page h1 {
    margin-bottom: 2rem;
}

.legal-page h2 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.legal-page p,
.legal-page ul {
    margin-bottom: 1rem;
}

.legal-page ul {
    list-style: disc;
    padding-left: 1.5rem;
}




.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-text);
    color: #fff;
    padding: 1.5rem 0;
    z-index: 2000;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
}

.cookie-banner__container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

.cookie-banner__actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 3000;
    padding: 1rem;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.3s ease, visibility 0s linear 0.3s;
}

.modal.is-visible {
    visibility: visible;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.modal__content {
    background-color: #fff;
    border-radius: var(--border-radius);
    max-width: 500px;
    width: 100%;
    box-shadow: var(--shadow-medium);
    display: flex;
    flex-direction: column;
}

.modal__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-neutral-medium);
}

.modal__close {
    background: none;
    border: none;
    font-size: 1.75rem;
    cursor: pointer;
    color: var(--color-neutral-dark);
}

.modal__body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.modal__footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--color-neutral-medium);
    display: flex;
    justify-content: flex-end;
}

.cookie-pref-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cookie-pref-item__label {
    display: flex;
    flex-direction: column;
}

.cookie-pref-item__desc {
    font-size: 0.9rem;
    color: #6B7280;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 28px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-neutral-medium);
    transition: .4s;
    border-radius: 28px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked+.slider {
    background-color: var(--color-secondary);
}

input:disabled+.slider {
    cursor: not-allowed;
    background-color: #ccc;
}

input:checked+.slider:before {
    transform: translateX(22px);
}




@media (min-width: 768px) {
    h1 {
        font-size: 3rem;
    }

    h2 {
        font-size: 2.5rem;
    }

    .header__nav {
        display: block;
    }

    .header__menu-toggle {
        display: none;
    }

    .hero__container {
        flex-direction: row;
        text-align: left;
    }

    .hero__content {
        flex: 1;
    }

    .hero__image {
        flex: 1;
    }

    .hero__buttons {
        justify-content: flex-start;
    }

    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .catalog-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .steps-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .contact-container {
        grid-template-columns: 1fr 1.2fr;
    }

    .cookie-banner__container {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

@media (min-width: 1024px) {
    .benefits-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .catalog-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}