/* 
   Color Palette: aubergine-copper
   Primary: #2D1B50
   Secondary: #4A2F7A
   Accent: #A06830
   Bg Tint: #F5F0FF
*/

:root {
    --color-primary: #2D1B50;
    --color-secondary: #4A2F7A;
    --color-accent: #A06830;
    --bg-tint: #F5F0FF;
    --color-text-dark: #1E1233;
    --color-text-light: #F5F0FF;
    --color-white: #FFFFFF;
    --color-border: #D1C5E3;
    
    /* Design parameters: sharp, subtle shadows */
    --border-radius-sharp: 0px;
    --shadow-subtle: 0 2px 12px rgba(0, 0, 0, 0.07);
    --transition-fast: 0.25s ease;
}

/* Base Reset & Typography */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--color-text-dark);
    background-color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--color-primary);
    font-weight: 800;
    line-height: 1.2;
}

h1 {
    font-size: clamp(32px, 6vw, 56px);
    margin-bottom: 20px;
}

h2 {
    font-size: clamp(24px, 4vw, 36px);
    margin-bottom: 16px;
    position: relative;
    padding-bottom: 10px;
}

/* Dynamic-tech accent line under H2 */
h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--color-accent);
}

p {
    font-size: clamp(15px, 2.5vw, 17px);
    margin-bottom: 20px;
    color: rgba(30, 18, 51, 0.85);
}

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

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

/* Container */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 48px 16px;
}

@media (min-width: 1024px) {
    .section-container {
        padding: 80px 24px;
    }
}

/* Header Layout */
.site-header {
    position: relative;
    width: 100%;
    padding: 15px 10px;
    background-color: var(--color-primary);
    border-bottom: 3px solid var(--color-accent);
    z-index: 1000;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.logo {
    font-size: 26px;
    font-weight: 900;
    color: var(--color-white) !important;
    letter-spacing: 1px;
    z-index: 100;
}

.logo:hover {
    color: var(--color-accent) !important;
}

/* Hamburger Menu - ALWAYS ON THE RIGHT */
.hamburger {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 24px;
    cursor: pointer;
    z-index: 101;
    display: none;
}

.hamburger .line {
    width: 100%;
    height: 3px;
    background-color: var(--color-white);
    margin: 5px 0;
    transition: 0.3s;
}

.menu-checkbox {
    display: none;
}

/* Desktop Navigation */
.desktop-nav {
    display: block;
}

.desktop-nav .nav-list {
    display: flex;
    list-style: none;
    gap: 32px;
    margin: 0;
    padding: 0;
}

.desktop-nav .nav-list a {
    color: var(--color-white);
    font-weight: 600;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.desktop-nav .nav-list a:hover {
    color: var(--color-accent);
}

/* Mobile Navigation */
.mobile-nav {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    width: 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    z-index: 99;
    background-color: var(--color-secondary);
}

.mobile-nav ul {
    list-style: none;
    padding: 24px;
    margin: 0;
}

.mobile-nav li {
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-nav li a {
    color: var(--color-white);
    font-size: 18px;
    font-weight: 600;
    display: block;
}

/* Buttons (Sharp Style) */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--border-radius-sharp);
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
}

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

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

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

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

/* Hero Vertical Stack Section */
.hero-vertical {
    display: flex;
    flex-direction: column;
    background-color: var(--bg-tint);
}

.hero-image-wrapper {
    width: 100%;
    height: 45vh;
    overflow: hidden;
}

.hero-main-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

.hero-inner-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 24px;
}

@media (min-width: 768px) {
    .hero-image-wrapper {
        height: 55vh;
    }
    .hero-content-wrapper {
        padding: 60px 24px;
    }
}

/* Section Header */
.section-header {
    max-width: 700px;
    margin-bottom: 48px;
}

.section-header h2::after {
    left: 0;
}

/* Benefits 3 Columns */
.benefits-section {
    background-color: var(--color-white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.benefit-card {
    background-color: var(--bg-tint);
    padding: 32px;
    border-radius: var(--border-radius-sharp);
    box-shadow: var(--shadow-subtle);
    border-top: 4px solid var(--color-primary);
    transition: transform var(--transition-fast);
}

.benefit-card:hover {
    transform: translateY(-5px);
}

.benefit-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.benefit-card h3 {
    margin-bottom: 12px;
    font-size: 20px;
}

@media (min-width: 768px) {
    .benefits-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* FAQ Accordion Section */
.faq-accordion-section {
    background-color: var(--bg-tint);
}

.accordion-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.faq-details {
    background-color: var(--color-white);
    margin-bottom: 16px;
    box-shadow: var(--shadow-subtle);
    border-left: 4px solid var(--color-accent);
}

.faq-summary {
    padding: 20px;
    font-weight: 700;
    font-size: 18px;
    color: var(--color-primary);
    cursor: pointer;
    outline: none;
    list-style: none;
    position: relative;
}

.faq-summary::-webkit-details-marker {
    display: none;
}

.faq-summary::after {
    content: '+';
    position: absolute;
    right: 20px;
    font-size: 22px;
    color: var(--color-accent);
    top: 50%;
    transform: translateY(-50%);
}

.faq-details[open] .faq-summary::after {
    content: '-';
}

.faq-content {
    padding: 0 20px 20px 20px;
    border-top: 1px solid var(--bg-tint);
}

.faq-content p {
    margin: 10px 0 0 0;
}

/* Quote Highlight Section */
.quote-section {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 60px 24px;
    text-align: center;
    position: relative;
}

.quote-container {
    max-width: 900px;
    margin: 0 auto;
}

.quote-icon {
    font-size: 80px;
    color: var(--color-accent);
    line-height: 1;
    display: block;
    height: 40px;
    margin-bottom: 20px;
}

.main-quote {
    font-size: clamp(20px, 4vw, 28px);
    font-style: italic;
    font-weight: 300;
    margin-bottom: 20px;
    line-height: 1.4;
}

.quote-author {
    color: var(--color-accent);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 14px;
    letter-spacing: 1px;
}

/* Icon Features Section */
.features-icon-section {
    background-color: var(--color-white);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.feature-icon-card {
    background-color: var(--bg-tint);
    padding: 24px;
    border-radius: var(--border-radius-sharp);
    box-shadow: var(--shadow-subtle);
    border-left: 4px solid var(--color-primary);
    display: flex;
    flex-direction: column;
}

.feat-emoji {
    font-size: 32px;
    margin-bottom: 12px;
}

.feature-icon-card h4 {
    font-size: 18px;
    margin-bottom: 8px;
}

.feature-icon-card p {
    margin-bottom: 0;
    font-size: 14px;
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Expert Block Section */
.expert-section {
    background-color: var(--bg-tint);
}

.expert-block-wrapper {
    display: flex;
    flex-direction: column;
    background-color: var(--color-white);
    box-shadow: var(--shadow-subtle);
    border: 1px solid var(--color-border);
}

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

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

.expert-content {
    padding: 32px;
}

.expert-label {
    display: inline-block;
    color: var(--color-accent);
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.expert-quote-text {
    font-style: italic;
    font-size: 16px;
    margin-bottom: 20px;
}

.expert-name {
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 2px;
}

.expert-title {
    font-size: 13px;
    color: var(--color-accent);
    text-transform: uppercase;
    font-weight: 600;
}

@media (min-width: 768px) {
    .expert-block-wrapper {
        flex-direction: row;
    }
    .expert-image {
        width: 40%;
        height: auto;
    }
    .expert-content {
        width: 60%;
        padding: 48px;
    }
}

/* Page Hero Section */
.page-hero-section {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 60px 0;
    text-align: center;
}

.page-hero-section h1 {
    color: var(--color-white);
    margin-bottom: 16px;
}

.page-subtitle {
    color: var(--bg-tint);
    max-width: 800px;
    margin: 0 auto;
    font-size: 18px;
}

/* Scientific Intro Section (Program) */
.intro-scientific-section {
    background-color: var(--color-white);
}

.scientific-intro-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    align-items: center;
}

.sci-intro-image img {
    width: 100%;
    height: auto;
    box-shadow: var(--shadow-subtle);
}

@media (min-width: 768px) {
    .scientific-intro-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Program Modules Grid (6 cards) */
.program-grid-section {
    background-color: var(--bg-tint);
}

.modules-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.module-card {
    background-color: var(--color-white);
    padding: 32px;
    box-shadow: var(--shadow-subtle);
    border-top: 4px solid var(--color-accent);
}

.module-num {
    font-size: 36px;
    font-weight: 900;
    color: var(--color-border);
    display: block;
    margin-bottom: 12px;
}

.module-card h3 {
    margin-bottom: 12px;
    font-size: 20px;
}

@media (min-width: 768px) {
    .modules-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .modules-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Stats Section */
.stats-section {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
}

.stat-item {
    padding: 20px;
}

.stat-number {
    font-size: 48px;
    font-weight: 900;
    color: var(--color-accent);
    display: block;
    margin-bottom: 10px;
}

.stat-desc {
    color: var(--bg-tint);
    margin-bottom: 0;
}

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* CTA Banner Section */
.cta-banner-section {
    background-color: var(--color-white);
}

.cta-wrapper {
    background-color: var(--bg-tint);
    padding: 48px 24px;
    text-align: center;
    border: 2px solid var(--color-primary);
}

.cta-wrapper h2 {
    margin-bottom: 16px;
}

.cta-wrapper p {
    max-width: 600px;
    margin: 0 auto 24px auto;
}

/* Mission Story Section */
.mission-story-section {
    background-color: var(--color-white);
}

.story-layout-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    align-items: center;
}

.story-image img {
    width: 100%;
    height: auto;
    box-shadow: var(--shadow-subtle);
}

@media (min-width: 768px) {
    .story-layout-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Values Grid Section (Mission) */
.values-grid-section {
    background-color: var(--bg-tint);
}

.values-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.value-card {
    background-color: var(--color-white);
    padding: 32px;
    box-shadow: var(--shadow-subtle);
    border-bottom: 4px solid var(--color-primary);
}

.value-icon-wrapper {
    font-size: 40px;
    margin-bottom: 16px;
}

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

@media (min-width: 768px) {
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Manifesto Section */
.manifesto-section {
    background-color: var(--color-white);
}

.manifesto-card {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 48px;
    box-shadow: var(--shadow-subtle);
    border-left: 8px solid var(--color-accent);
}

.manifesto-card h3 {
    color: var(--color-white);
    margin-bottom: 20px;
}

.manifesto-lead {
    font-size: clamp(18px, 3vw, 24px);
    font-style: italic;
    color: var(--color-accent);
    margin-bottom: 20px;
    line-height: 1.4;
}

/* Contact Layout Section */
.contact-layout-section {
    background-color: var(--bg-tint);
}

.contact-split-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.contact-form-wrapper {
    background-color: var(--color-white);
    padding: 32px;
    box-shadow: var(--shadow-subtle);
}

.styled-contact-form {
    margin-top: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-primary);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sharp);
    font-size: 16px;
    outline: none;
    transition: var(--transition-fast);
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--color-accent);
}

.form-submit-btn {
    width: 100%;
}

.contact-info-wrapper {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.info-card-block, .schedule-block {
    background-color: var(--color-white);
    padding: 32px;
    box-shadow: var(--shadow-subtle);
}

.info-item {
    display: flex;
    gap: 16px;
    margin-top: 20px;
}

.info-icon {
    font-size: 24px;
}

.schedule-block ul {
    list-style: none;
    margin-top: 16px;
}

.schedule-block li {
    margin-bottom: 10px;
    border-bottom: 1px solid var(--bg-tint);
    padding-bottom: 6px;
}

@media (min-width: 1024px) {
    .contact-split-grid {
        grid-template-columns: 1.2fr 0.8fr;
    }
}

/* Thank You Page */
.thank-you-section {
    background-color: var(--bg-tint);
}

.thank-card {
    background-color: var(--color-white);
    padding: 48px 24px;
    box-shadow: var(--shadow-subtle);
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.thank-icon {
    font-size: 64px;
    margin-bottom: 16px;
    display: block;
}

.thank-lead {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 24px;
}

.thank-next-steps {
    margin-top: 40px;
    text-align: left;
    border-top: 2px solid var(--bg-tint);
    padding-top: 32px;
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 16px;
}

.step-card {
    background-color: var(--bg-tint);
    padding: 20px;
}

.step-card h4 {
    margin-bottom: 8px;
}

.step-link {
    font-weight: 700;
    font-size: 14px;
}

.thank-action-btn {
    margin-top: 32px;
}

@media (min-width: 768px) {
    .steps-grid {
        grid-template-columns: 1fr 1fr;
    }
    .thank-card {
        padding: 64px;
    }
}

/* Legal Content Section */
.legal-content-section {
    background-color: var(--bg-tint);
}

.legal-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--color-white);
    padding: 48px 24px;
    box-shadow: var(--shadow-subtle);
}

.legal-date {
    font-style: italic;
    color: var(--color-accent);
}

.legal-container h2 {
    margin-top: 32px;
    font-size: 22px;
}

.legal-container ul {
    margin-left: 20px;
    margin-bottom: 20px;
}

@media (min-width: 768px) {
    .legal-container {
        padding: 64px;
    }
}

/* Footer Section */
.site-footer {
    background-color: var(--color-secondary) !important;
    color: var(--color-text-light) !important;
    border-top: 4px solid var(--color-accent);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 16px 20px 16px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.footer-brand .logo {
    display: inline-block;
    margin-bottom: 16px;
}

.footer-brand p {
    color: #fff;
}

.manifesto-card p {
    color: #fff;
}

.footer-links h4, .footer-legal h4, .footer-contact h4 {
    color: var(--color-white) !important;
    font-size: 18px;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-links ul, .footer-legal ul {
    list-style: none;
}

.footer-links li, .footer-legal li {
    margin-bottom: 12px;
}

.footer-links a, .footer-legal a {
    color: rgba(245, 240, 255, 0.8) !important;
}

.footer-links a:hover, .footer-legal a:hover {
    color: var(--color-accent) !important;
}

.footer-contact p {
    color: rgba(245, 240, 255, 0.8) !important;
    margin-bottom: 12px;
}

.footer-phone-link, .footer-email-link {
    color: var(--color-white) !important;
    font-weight: 700;
}

.footer-phone-link:hover, .footer-email-link:hover {
    color: var(--color-accent) !important;
}

.footer-bottom {
    margin-top: 48px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(245, 240, 255, 0.6) !important;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1.5fr 0.8fr 0.8fr 1.2fr;
    }
}

/* Cookie Banner (Sharp Style) */
#cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    padding: 18px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-top: 3px solid var(--color-accent);
    transform: translateY(0);
    transition: transform 0.4s ease;
}

#cookie-banner.hidden {
    transform: translateY(110%);
}

#cookie-banner p {
    margin: 0;
    flex: 1;
    min-width: 200px;
    font-size: 14px;
    color: var(--color-white);
}

#cookie-banner a {
    color: var(--color-accent);
    text-decoration: underline;
}

.cookie-btns {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
    flex-wrap: wrap;
}

.cookie-btn-accept, .cookie-btn-decline {
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: var(--border-radius-sharp);
    cursor: pointer;
    border: none;
    transition: var(--transition-fast);
}

.cookie-btn-accept {
    background-color: var(--color-accent);
    color: var(--color-white);
}

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

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

.cookie-btn-decline:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

@media (max-width: 600px) {
    #cookie-banner {
        flex-direction: column;
        align-items: flex-start;
    }
    .cookie-btns {
        width: 100%;
    }
    .cookie-btn-accept, .cookie-btn-decline {
        flex: 1;
        text-align: center;
    }
}

/* Mobile Adaptation for Header */
@media (max-width: 768px) {
    .desktop-nav {
        display: none;
    }

    .hamburger {
        display: block;
    }

    .mobile-nav {
        display: block;
    }

    #menu-toggle:checked ~ .mobile-nav {
        max-height: 400px;
    }

    /* Hamburger Animation */
    #menu-toggle:checked ~ .hamburger .line:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    #menu-toggle:checked ~ .hamburger .line:nth-child(2) {
        opacity: 0;
    }

    #menu-toggle:checked ~ .hamburger .line:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
}