:root {
    --color-primary: #90704C;
    --color-secondary: #D8C4A6;
    --color-tertiary: #DFD4C4;
    --color-quaternary: #F3EEE5;
    --color-accent: #90704C;
    --color-white: #ffffff;
    --color-gray-light: #F3EEE5;
    --color-gray: #6c757d;
    --color-dark: #3A2C25;
    --font-primary: 'Outfit', sans-serif;
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-primary);
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-dark);
    background: var(--color-quaternary);
}

.navbar-fixed {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(243, 238, 229, 0.95);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-tertiary);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 12px rgba(144, 112, 76, 0.03);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--color-dark);
    text-decoration: none;
}

.navbar-brand svg {
    width: 32px;
    height: 32px;
}

.navbar-nav {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
    flex-direction: row;
}

.nav-link {
    color: var(--color-dark);
    text-decoration: none;
    font-weight: 400;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-primary);
    transition: var(--transition);
}

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

.nav-link:hover {
    color: var(--color-primary);
}

.hero-lab {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 11rem 0 6rem;
    background: var(--color-quaternary);
    position: relative;
}

.hero-lab::before {
    content: '';
    position: absolute;
    left: 55%;
    top: 15%;
    width: 1px;
    height: 70%;
    background: linear-gradient(to bottom, transparent, var(--color-primary), transparent);
    opacity: 0.3;
}

.hero-lab__content {
    max-width: 700px;
}

.hero-lab__title {
    font-size: 3.5rem;
    font-weight: 200;
    line-height: 1.2;
    margin-bottom: 2rem;
    color: var(--color-dark);
}

.hero-lab__subtitle {
    font-size: 1.25rem;
    font-style: italic;
    color: var(--color-gray);
    margin-bottom: 3rem;
    font-weight: 300;
}

.hero-lab__visual {
    position: relative;
}

.hero-lab__visual img {
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--color-tertiary);
    padding: 1rem;
    background: var(--color-white);
    box-shadow: 0 10px 40px rgba(144, 112, 76, 0.1);
}

.btn-primary-custom {
    background: var(--color-dark);
    color: var(--color-quaternary);
    border: none;
    padding: 1rem 3rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.btn-primary-custom:hover {
    background: var(--color-quaternary);
    color: var(--color-dark);
    outline: 1px solid var(--color-dark);
}

.section-protocol {
    padding: 8rem 0;
    background: var(--color-white);
}

.section-protocol__content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 200;
    margin-bottom: 2rem;
    color: var(--color-dark);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray);
    line-height: 1.8;
    margin-bottom: 3rem;
}

.protocol-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 4rem;
}

.protocol-step {
    text-align: left;
}

.protocol-step__number {
    font-size: 4rem;
    font-weight: 200;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 1rem;
}

.protocol-step__title {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
    color: var(--color-dark);
}

.protocol-step__text {
    font-size: 1rem;
    color: var(--color-gray);
    line-height: 1.6;
}

.section-anatomy {
    padding: 8rem 0;
    background: var(--color-quaternary);
}

.anatomy-visual {
    max-width: 600px;
    margin: 0 auto 2rem;
    text-align: center;
}

.anatomy-visual img {
    width: 100%;
    border: 1px solid var(--color-tertiary);
    padding: 2rem;
    background: var(--color-white);
    box-shadow: 0 10px 40px rgba(144, 112, 76, 0.1);
}

.anatomy-description {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.125rem;
    color: var(--color-gray);
    font-style: italic;
}

.section-program {
    padding: 8rem 0;
    background: var(--color-white);
}

.program-list {
    max-width: 900px;
    margin: 0 auto;
    list-style: none;
}

.program-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 2rem;
    padding: 2rem 0;
    border-bottom: 1px solid var(--color-tertiary);
}

.program-item:last-child {
    border-bottom: none;
}

.program-item__number {
    font-size: 3rem;
    font-weight: 200;
    color: var(--color-primary);
}

.program-item__content h3 {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-dark);
}

.program-item__content p {
    font-size: 1rem;
    color: var(--color-gray);
    line-height: 1.6;
}

.section-laboratory {
    padding: 8rem 0;
    background: var(--color-quaternary);
}

.laboratory-content {
    max-width: 1000px;
    margin: 0 auto;
}

.laboratory-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
    margin-top: 3rem;
}

.laboratory-column h3 {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1rem;
    color: var(--color-dark);
}

.laboratory-column p {
    font-size: 1rem;
    color: var(--color-gray);
    line-height: 1.8;
}

.section-vision {
    padding: 8rem 0;
    background: var(--color-white);
}

.vision-visual {
    max-width: 800px;
    margin: 0 auto 2rem;
}

.vision-visual img {
    width: 100%;
    border: 1px solid var(--color-tertiary);
    padding: 2rem;
    background: var(--color-quaternary);
    box-shadow: 0 10px 40px rgba(144, 112, 76, 0.1);
}

.section-standards {
    padding: 8rem 0;
    background: var(--color-quaternary);
}

.standards-box {
    max-width: 800px;
    margin: 3rem auto 0;
    border: 2px solid var(--color-primary);
    padding: 3rem;
    background: var(--color-white);
}

.standards-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    list-style: none;
}

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

.standards-item i {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    display: block;
}

.standards-item h4 {
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-dark);
}

.standards-item p {
    font-size: 0.9rem;
    color: var(--color-gray);
}

.section-orientation {
    padding: 8rem 0;
    background: var(--color-secondary);
}

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

.orientation-visual img {
    width: 100%;
    max-width: 300px;
    border: 1px solid var(--color-primary);
    padding: 1.5rem;
    background: var(--color-white);
}

.orientation-form {
    background: var(--color-white);
    padding: 3rem;
    border: 1px solid var(--color-tertiary);
}

.orientation-form h3 {
    font-size: 1.75rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    color: var(--color-dark);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-dark);
}

.form-control-custom {
    width: 100%;
    padding: 0.875rem;
    border: 1px solid var(--color-tertiary);
    background: var(--color-quaternary);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: var(--transition);
}

.form-control-custom:focus {
    outline: none;
    border-color: var(--color-primary);
}

.error-message {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

.btn-submit {
    width: 100%;
    background: var(--color-dark);
    color: var(--color-quaternary);
    border: none;
    padding: 1rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 1rem;
}

.btn-submit:hover {
    background: var(--color-quaternary);
    color: var(--color-dark);
    outline: 1px solid var(--color-dark);
}

footer {
    background: var(--color-dark);
    color: var(--color-quaternary);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.footer-section p,
.footer-section a {
    color: var(--color-tertiary);
    text-decoration: none;
    font-size: 0.95rem;
    line-height: 1.8;
}

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

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid rgba(223, 212, 196, 0.2);
    padding-top: 2rem;
    text-align: center;
    color: var(--color-tertiary);
    font-size: 0.9rem;
}

.cookie-notice {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-top: 2px solid var(--color-primary);
    padding: 1.5rem;
    z-index: 9999;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.cookie-notice.show {
    transform: translateY(0);
}

.cookie-notice.hide {
    transform: translateY(100%);
}

.cookie-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.cookie-text {
    flex: 1;
    font-size: 0.95rem;
    color: var(--color-dark);
}

.cookie-text a {
    color: var(--color-primary);
    text-decoration: underline;
}

.cookie-actions {
    display: flex;
    gap: 1rem;
}

.btn-cookie {
    padding: 0.75rem 1.5rem;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
}

.btn-cookie-accept {
    background: var(--color-dark);
    color: var(--color-quaternary);
}

.btn-cookie-accept:hover {
    background: var(--color-primary);
}

.btn-cookie-decline {
    background: transparent;
    color: var(--color-dark);
    border: 1px solid var(--color-tertiary);
}

.btn-cookie-decline:hover {
    background: var(--color-quaternary);
}

@media (max-width: 992px) {
    .hero-lab__title {
        font-size: 2.5rem;
    }

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

    .program-item {
        grid-template-columns: 80px 1fr;
        gap: 1.5rem;
    }

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

    .standards-list {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

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

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

@media (max-width: 768px) {
    .hero-lab {
        padding: 9rem 0 4rem;
    }

    .hero-lab__title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-protocol,
    .section-anatomy,
    .section-program,
    .section-laboratory,
    .section-vision,
    .section-standards,
    .section-orientation {
        padding: 4rem 0;
    }

    .navbar-nav {
        flex-direction: column;
        gap: 1rem;
    }
}

.page-header {
    padding: 11rem 0 4rem;
    background: var(--color-quaternary);
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 200;
    color: var(--color-dark);
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.25rem;
    color: var(--color-gray);
    font-style: italic;
}

.page-content {
    padding: 6rem 0;
    background: var(--color-white);
}

.content-section {
    margin-bottom: 4rem;
}

.content-section h2 {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    color: var(--color-dark);
}

.content-section h3 {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1rem;
    margin-top: 2rem;
    color: var(--color-dark);
}

.content-section p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-gray);
    margin-bottom: 1rem;
}

.content-section ul {
    list-style: none;
    margin-left: 0;
    padding-left: 0;
}

.content-section ul li {
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    position: relative;
    color: var(--color-gray);
}

.content-section ul li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

.thanks-section {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 11rem 0 6rem;
    background: var(--color-quaternary);
}

.thanks-box {
    max-width: 600px;
    text-align: center;
    background: var(--color-white);
    padding: 4rem 3rem;
    border: 1px solid var(--color-tertiary);
    margin: 0 auto;
}

.thanks-box i {
    font-size: 4rem;
    color: var(--color-primary);
    margin-bottom: 2rem;
    display: block;
}

.thanks-box h1 {
    font-size: 2.5rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    color: var(--color-dark);
}

.thanks-box p {
    font-size: 1.125rem;
    color: var(--color-gray);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 3rem;
}

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

.team-member h4 {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-dark);
}

.team-member p {
    font-size: 1rem;
    color: var(--color-gray);
    font-style: italic;
}

.contact-info {
    background: var(--color-quaternary);
    padding: 3rem;
    border: 1px solid var(--color-tertiary);
    margin-bottom: 3rem;
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    color: var(--color-dark);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--color-primary);
}

.contact-item a {
    color: var(--color-dark);
    text-decoration: none;
}

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