/* SupleEdu - Main Stylesheet */
/* Mobile-first responsive design */

:root {
    --primary-color: #FF8C00;
    --primary-dark: #E07B00;
    --text-dark: #2D2D2D;
    --text-medium: #555555;
    --text-light: #777777;
    --bg-light: #F9F9F9;
    --bg-white: #FFFFFF;
    --border-color: #E5E5E5;
    --shadow-soft: 0 2px 15px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.12);
}

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

body {
    font-family: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

h1 {
    font-size: 2rem;
}

h2 {
    font-size: 1.75rem;
    position: relative;
    padding-bottom: 0.75rem;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

h3 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-medium);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary-dark);
    text-decoration: none;
}

/* Header */
.site-header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-soft);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 0.75rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color) !important;
    display: flex;
    align-items: center;
}

.navbar-brand img {
    height: 40px;
    margin-right: 0.5rem;
}

.nav-link {
    color: var(--text-dark) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: color 0.3s ease;
}

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

.navbar-toggler {
    border: none;
    padding: 0.5rem;
}

.navbar-toggler:focus {
    outline: none;
    box-shadow: none;
}

/* Hero Section */
#hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

#hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(45, 45, 45, 0.85) 0%, rgba(45, 45, 45, 0.6) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--bg-white);
}

.hero-content h1 {
    color: var(--bg-white);
    font-size: 2.25rem;
    margin-bottom: 1.5rem;
}

.hero-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    max-width: 600px;
}

.hero-badge {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--bg-white);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Sections */
.section {
    padding: 4rem 0;
}

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

.section-title {
    margin-bottom: 2rem;
}

/* Two-column Layout */
.content-row {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 2rem;
}

.content-text {
    flex: 1;
}

.content-image {
    flex: 1;
}

.content-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: var(--shadow-soft);
}

/* Cards */
.info-card {
    background-color: var(--bg-white);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: var(--shadow-soft);
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--primary-color);
}

.info-card h3 {
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.info-card p {
    margin-bottom: 0;
}

/* Category Cards */
.category-card {
    background-color: var(--bg-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.category-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.category-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.category-card-body {
    padding: 1.5rem;
}

.category-card-body h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

/* FAQ Section */
.faq-item {
    background-color: var(--bg-white);
    border-radius: 8px;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

.faq-question {
    padding: 1.25rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--text-dark);
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: var(--bg-light);
}

.faq-question .icon {
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question .icon {
    transform: rotate(180deg);
}

.faq-answer {
    display: none;
    padding: 0 1.25rem 1.25rem;
    color: var(--text-medium);
}

.faq-item.active .faq-answer {
    display: block;
}

/* Infographic */
.infographic-wrapper {
    text-align: center;
}

.infographic-wrapper img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: var(--shadow-soft);
}

/* Research Cards */
.research-card {
    background-color: var(--bg-white);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: var(--shadow-soft);
    margin-bottom: 1rem;
}

.research-card .source {
    font-size: 0.875rem;
    color: var(--text-light);
    font-style: italic;
}

/* CTA Section */
#cta {
    background-color: var(--text-dark);
    color: var(--bg-white);
    text-align: center;
}

#cta h2 {
    color: var(--bg-white);
}

#cta h2::after {
    left: 50%;
    transform: translateX(-50%);
}

#cta p {
    color: rgba(255, 255, 255, 0.85);
    max-width: 700px;
    margin: 0 auto 1.5rem;
}

.btn-cta {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--bg-white);
    padding: 0.875rem 2rem;
    font-weight: 600;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

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

/* Contact Section */
#contact {
    background-color: var(--bg-light);
}

.contact-info {
    margin-bottom: 2rem;
}

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

.contact-info-item .icon {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-right: 1rem;
    min-width: 24px;
}

.contact-form {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow-soft);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.15);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

.btn-submit {
    width: 100%;
    background-color: var(--primary-color);
    color: var(--bg-white);
    border: none;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

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

.form-success {
    display: none;
    background-color: #D4EDDA;
    color: #155724;
    padding: 1rem;
    border-radius: 4px;
    text-align: center;
    margin-top: 1rem;
}

.form-success.show {
    display: block;
}

/* Footer */
.site-footer {
    background-color: var(--text-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 3rem 0 1.5rem;
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: block;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.footer-title {
    color: var(--bg-white);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 2rem;
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Disclaimer Box */
.disclaimer-box {
    background-color: rgba(255, 140, 0, 0.08);
    border-left: 4px solid var(--primary-color);
    padding: 1.25rem;
    margin: 2rem 0;
    border-radius: 0 8px 8px 0;
}

.disclaimer-box h3 {
    font-size: 1rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

/* Modal / Popup Styles */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    overflow-y: auto;
    padding: 2rem 1rem;
}

.modal-overlay.active {
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.modal-content {
    background-color: var(--bg-white);
    border-radius: 8px;
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-medium);
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background-color: var(--bg-white);
    z-index: 1;
}

.modal-header h2 {
    margin-bottom: 0;
    padding-bottom: 0;
}

.modal-header h2::after {
    display: none;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: var(--text-dark);
}

.modal-body {
    padding: 1.5rem;
}

.modal-body h3 {
    font-size: 1.125rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.modal-body h3:first-child {
    margin-top: 0;
}

.modal-body p, .modal-body li {
    font-size: 0.95rem;
}

.modal-body ul {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.modal-body li {
    margin-bottom: 0.5rem;
}

/* Cookie Banner */
.cookie-banner {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--bg-white);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    padding: 1.5rem;
    z-index: 3000;
}

.cookie-banner.active {
    display: block;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
}

.cookie-content h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.cookie-content p {
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.cookie-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.btn-cookie {
    padding: 0.625rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-cookie-accept {
    background-color: var(--primary-color);
    color: var(--bg-white);
    border: none;
}

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

.btn-cookie-reject {
    background-color: transparent;
    color: var(--text-medium);
    border: 1px solid var(--border-color);
}

.btn-cookie-reject:hover {
    background-color: var(--bg-light);
}

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

.btn-cookie-settings:hover {
    background-color: rgba(255, 140, 0, 0.1);
}

/* Cookie Settings Modal */
.cookie-settings-content {
    padding: 1rem 0;
}

.cookie-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.cookie-option:last-child {
    border-bottom: none;
}

.cookie-option-info h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.cookie-option-info p {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 0;
}

.cookie-toggle {
    position: relative;
    width: 48px;
    height: 26px;
}

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

.cookie-toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.3s;
    border-radius: 26px;
}

.cookie-toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

.cookie-toggle input:checked + .cookie-toggle-slider {
    background-color: var(--primary-color);
}

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

.cookie-toggle input:disabled + .cookie-toggle-slider {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-save-cookies {
    width: 100%;
    margin-top: 1rem;
}

/* List Styles */
.styled-list {
    list-style: none;
    padding: 0;
}

.styled-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
}

.styled-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 8px;
    height: 8px;
    background-color: var(--primary-color);
    border-radius: 50%;
}

/* Responsive Styles */
@media (min-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero-content h1 {
        font-size: 3rem;
    }

    .content-row {
        flex-direction: row;
        align-items: center;
    }

    .content-row.reverse {
        flex-direction: row-reverse;
    }

    .section {
        padding: 5rem 0;
    }

    #hero {
        min-height: 80vh;
    }
}

@media (min-width: 992px) {
    h1 {
        font-size: 3rem;
    }

    .hero-content h1 {
        font-size: 3.5rem;
    }

    .content-row {
        gap: 3rem;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-0 {
    margin-bottom: 0;
}

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

.mt-3 {
    margin-top: 1.5rem;
}

.mt-4 {
    margin-top: 2rem;
}