/* DS2 Survey Landing Page Styles */

:root {
    --ds2-teal: #00a5a8;
    --ds2-teal-dark: #008a8c;
    --ds2-teal-light: #e6f7f7;
    --ds2-navy: #1a2b4a;
    --ds2-gray: #4a5568;
    --ds2-gray-light: #f7f8fa;
    --ds2-white: #ffffff;
}

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

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.7;
    color: var(--ds2-gray);
    background: var(--ds2-gray-light);
    min-height: 100vh;
}

/* Header */
.header {
    background: var(--ds2-white);
    padding: 20px 40px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.header-content {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    height: 70px;
    width: auto;
}

.header-tagline {
    font-size: 0.85rem;
    color: var(--ds2-teal);
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* Container */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 50px 40px;
}

/* Back link */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--ds2-teal);
    text-decoration: none;
    font-weight: 500;
    margin-bottom: 25px;
    transition: color 0.2s ease;
}

.back-link:hover {
    color: var(--ds2-teal-dark);
}

.back-link::before {
    content: '←';
    font-size: 1.1rem;
}

/* Typography */
h1 {
    color: var(--ds2-navy);
    margin-bottom: 15px;
    font-size: 2.2rem;
    font-weight: 600;
}

.hero {
    text-align: center;
    margin-bottom: 30px;
}

.hero h1 {
    font-size: 1.6rem;
    line-height: 1.4;
}

.hero-subtitle {
    color: var(--ds2-teal);
    font-size: 1.1rem;
    font-weight: 500;
}

/* Cards */
.card {
    background: var(--ds2-white);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    padding: 35px;
    margin-bottom: 30px;
}

.card-title {
    color: var(--ds2-navy);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--ds2-teal-light);
}

.card-title.large {
    font-size: 1.5rem;
    margin-bottom: 25px;
}

/* Description */
.description {
    color: var(--ds2-gray);
}

.description p {
    margin-bottom: 15px;
}

.description p:last-child {
    margin-bottom: 0;
}

.description a {
    color: var(--ds2-teal);
    text-decoration: none;
}

.description a:hover {
    text-decoration: underline;
}

.description ul {
    margin-left: 20px;
    margin-bottom: 18px;
}

/* Info links */
.info-links {
    list-style: none;
    margin: 15px 0 0 0;
    padding: 0;
}

.info-links li {
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.info-links li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--ds2-teal);
}

.info-links a {
    color: var(--ds2-teal);
    font-weight: 500;
    text-decoration: none;
}

.info-links a:hover {
    text-decoration: underline;
}

/* Info box */
.info-box {
    background: var(--ds2-teal-light);
    border-left: 4px solid var(--ds2-teal);
    padding: 18px 22px;
    margin: 20px 0 0 0;
    border-radius: 0 8px 8px 0;
}

.info-box h3 {
    color: var(--ds2-navy);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.info-box h4 {
    color: var(--ds2-navy);
    font-size: 0.95rem;
    font-weight: 600;
    margin-top: 15px;
    margin-bottom: 8px;
}

.info-box h4:first-of-type {
    margin-top: 0;
}

.info-box p {
    margin: 0;
    margin-bottom: 10px;
    color: var(--ds2-navy);
    font-size: 0.95rem;
}

.info-box p:last-child {
    margin-bottom: 0;
}

.info-box ul {
    margin: 0;
    padding-left: 20px;
}

.info-box li {
    margin-bottom: 8px;
    font-size: 0.92rem;
    color: var(--ds2-navy);
}

.info-box li:last-child {
    margin-bottom: 0;
}

/* Highlight box */
.highlight-box {
    background: var(--ds2-teal-light);
    border-left: 4px solid var(--ds2-teal);
    padding: 20px 25px;
    margin: 25px 0;
    border-radius: 0 8px 8px 0;
}

.highlight-box p {
    margin: 0;
    color: var(--ds2-navy);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    background: var(--ds2-teal);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.25s ease;
    letter-spacing: 0.3px;
}

.btn:hover {
    background: var(--ds2-teal-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 165, 168, 0.3);
}

.btn-secondary {
    background: var(--ds2-navy);
}

.btn-secondary:hover {
    background: #243656;
    box-shadow: 0 4px 15px rgba(26, 43, 74, 0.3);
}

/* Consent checkbox */
.consent-checkbox {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid var(--ds2-teal-light);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 3px;
    accent-color: var(--ds2-teal);
    cursor: pointer;
    flex-shrink: 0;
}

.checkbox-text {
    color: var(--ds2-navy);
    font-weight: 500;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Consent section (legacy, keeping for reference) */
.consent-section {
    text-align: center;
    padding: 30px;
    background: var(--ds2-white);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    margin-bottom: 30px;
}

.consent-btn {
    display: inline-block;
    padding: 15px 30px;
    background: var(--ds2-teal);
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.25s ease;
    font-family: inherit;
    line-height: 1.5;
}

.consent-btn:hover {
    background: var(--ds2-teal-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 165, 168, 0.3);
}

/* Task instructions */
.task-instructions {
    background: var(--ds2-teal-light);
    border-radius: 8px;
    padding: 20px 25px;
    margin-bottom: 10px;
}

.task-instructions > p {
    margin-bottom: 15px;
    color: var(--ds2-navy);
}

.task-list {
    margin: 0;
    padding-left: 25px;
    color: var(--ds2-navy);
}

.task-list li {
    margin-bottom: 16px;
    line-height: 1.6;
}

.task-list li:last-child {
    margin-bottom: 0;
}

.task-tip {
    margin-top: 10px;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.6);
    border-left: 3px solid var(--ds2-teal);
    border-radius: 0 6px 6px 0;
    font-size: 0.9rem;
    color: var(--ds2-gray);
}

.task-tip em {
    color: var(--ds2-teal);
    font-style: normal;
    font-weight: 600;
}

/* Steps */
.steps {
    margin-top: 30px;
}

.step {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
    padding: 25px;
    background: var(--ds2-gray-light);
    border-radius: 10px;
    transition: all 0.25s ease;
    border: 1px solid transparent;
}

.step:hover {
    border-color: var(--ds2-teal);
    box-shadow: 0 4px 15px rgba(0, 165, 168, 0.1);
}

.step-number {
    background: var(--ds2-teal);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin-right: 20px;
    flex-shrink: 0;
    font-size: 1.1rem;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    color: var(--ds2-navy);
    margin-bottom: 8px;
    font-size: 1.15rem;
    font-weight: 600;
}

.step-content p {
    color: var(--ds2-gray);
    font-size: 0.95rem;
    margin-bottom: 15px;
}

/* Utilities */
.hidden {
    display: none;
}

.steps-card.revealed {
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Footer */
footer {
    text-align: center;
    padding: 30px 40px;
    color: var(--ds2-gray);
    font-size: 0.85rem;
}

footer p {
    margin-bottom: 8px;
}

footer a {
    color: var(--ds2-teal);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

.eu-funding {
    font-size: 0.8rem;
    color: #718096;
    max-width: 600px;
    margin: 15px auto 0;
    line-height: 1.5;
}

/* Responsive */
@media (max-width: 600px) {
    .header {
        padding: 15px 20px;
    }

    .header-content {
        flex-direction: column;
        gap: 10px;
    }

    .container {
        padding: 30px 20px;
    }

    .card {
        padding: 25px 20px;
    }

    h1 {
        font-size: 1.7rem;
    }

    .card-title.large {
        font-size: 1.3rem;
    }

    .step {
        flex-direction: column;
        padding: 20px;
    }

    .step-number {
        margin-bottom: 15px;
    }
}