/* TESCOModern Regular */
@font-face {
    font-family: 'TESCOModern';
    src: url(../fonts/TESCOModern-Regular-web.eot);
    src: url(../fonts/TESCOModern-Regular-web.eot?#iefix) format("embedded-opentype"),
         url(../fonts/TESCOModern-Regular-web.woff2) format("woff2"),
         url(../fonts/TESCOModern-Regular-web.woff) format("woff"),
         url(../fonts/TESCOModern-Regular-web.ttf) format("truetype"),
         url(../fonts/TESCOModern-Regular-web.svg#TESCOModern-Regular) format("svg");
    font-weight: 400;
    font-style: normal;
}

/* TESCOModern Italic */
@font-face {
    font-family: 'TESCOModern';
    src: url(../fonts/TESCOModern-Italic-web.woff2) format("woff2"),
         url(../fonts/TESCOModern-Italic-web.woff) format("woff"),
         url(../fonts/TESCOModern-Italic-web.ttf) format("truetype"),
         url(../fonts/TESCOModern-Italic-web.svg#TESCOModern-Italic) format("svg");
    font-weight: 400;
    font-style: italic;
}

/* ============================================
    CSS CUSTOM PROPERTIES (VARIABLES)
    ============================================ */
:root {
    --color-primary: #003ADC;
    --color-primary-hover: #002a9e;
    --color-text: #333;
    --color-text-dark: #000;
    --color-text-light: #555;
    --color-bg-light: #f8f8f8;
    --color-bg-dark: #1a1a1a;
    --color-error: #d32f2f;
    --color-error-bg: #ffebee;
    --color-error-text: #c62828;
    --color-success-bg: #e8f5e9;
    
    --color-focus: #000;
    --color-border: #e0e0e0;
    --color-border-input: #666;
    --color-text-green: #00d966;
    --color-checkbox-checked: rgb(0, 126, 179);
    
    --focus-outline: 3px solid var(--color-focus);
    --focus-offset: 2px;
    
    --transition-default: all 0.3s ease;
    --transition-fast: border-color 300ms;
}

/* ============================================
    RESET & BASE STYLES
    ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: TESCOModern, Arial, sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background-color: #fff;
    font-size: clamp(14px, 2vw, 16px);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

/* ============================================
    ACCESSIBILITY: SKIP LINK
    ============================================ */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background-color: var(--color-text-dark);
    color: #fff;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
    border-radius: 0 0 4px 0;
}

.skip-link:focus {
    top: 0;
}

/* ============================================
    FOCUS STATES (Centralized)
    ============================================ */
a:focus-visible,
.footer-links a:focus-visible {
    outline: var(--focus-outline);
    outline-offset: var(--focus-offset);
}

button:focus-visible,
.btn:focus-visible,
.cookie-policy__btn:focus-visible {
    outline: var(--focus-outline);
    outline-offset: 2px;
    border-radius: 0 !important;
}

/* ============================================
    LAYOUT CONTAINER
    ============================================ */
.container {
    max-width: calc(100% - 50px);
    margin: 0 auto;
    width: 100%;
    text-align: center;
}

.empty-space {
    margin-top: 25px;
    height: 132px;
    background-color: var(--color-primary);
}

/* ============================================
    HEADER & HERO SECTION
    ============================================ */
.logo-container {
    max-width: calc(100% - 50px);
    margin: 0 auto;
    width: 100%;
    padding: 15px 0 15px 25px;
}

.logo-container img {
    width: 250px;
}

.hero-image {
    width: 100%;
    height: 268px;
    max-height: 268px;
    object-fit: cover;
    object-position: center;
    display: block;
    border-radius: clamp(4px, 1vw, 8px);
    margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

h1 {
    font-size: clamp(28px, 6vw, 32px);
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: clamp(0.75rem, 2vw, 1.25rem);
    line-height: 1.2;
}

h2 {
    font-size: clamp(20px, 4vw, 28px);
    color: var(--color-text-dark);
    margin-bottom: 0.75rem;
}

.summary {
    font-size: clamp(14px, 2.5vw, 18px);
    color: var(--color-text-dark);
    margin-bottom: 25px;
    line-height: 1.7;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
    BUTTONS SECTION
    ============================================ */
.buttons-grid {
    display: flex;
    flex-wrap: wrap;
    gap: clamp(1rem, 3vw, 1.5rem);
    justify-content: center;
    flex-direction: column;
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: clamp(12px, 2.5vw, 16px) clamp(24px, 5vw, 32px);
    background-color: var(--color-primary);
    color: #fff;
    text-decoration: none;
    border-radius: 40px;
    font-size: 14px;
    font-weight: 600;
    height: 40px;
    border: 3px solid transparent;
    cursor: pointer;
    transition: var(--transition-default);
    min-height: 44px;
    min-width: 44px;
    text-align: center;
    flex: 0 0 auto;
}

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

.btn:active {
    transform: scale(0.98);
}

.btn[target="_blank"]::after,
a[target="_blank"]::after {
    content: " (opens in new tab)";
    font-size: 0.85em;
    font-weight: 400;
}

/* ============================================
    FEEDBACK FORM SECTION
    ============================================ */
.feedback-section {
    margin-top: 45px;
    padding: clamp(2rem, 6vw, 3rem) 0;
    background-color: var(--color-bg-light);
}

#feedbackContainer {
    max-width: calc(100% - 50px);
}

.feedback-intro {
    font-size: clamp(14px, 2vw, 16px);
    color: var(--color-text-light);
    margin-bottom: clamp(1.5rem, 3vw, 2rem);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.feedback-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    text-align: left;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: clamp(14px, 2vw, 16px);
    margin-bottom: 0.5rem;
    color: var(--color-text-dark);
}

.form-group label span[aria-label="required"] {
    color: var(--color-error);
    margin-left: 2px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: clamp(10px, 2vw, 12px) clamp(12px, 2vw, 16px);
    font-size: 16px;
    border: 2px solid var(--color-border-input);
    border-radius: 4px;
    font-family: inherit;
    line-height: 1.5;
    transition: border-color 0.3s ease;
}

.form-group p {
    padding: clamp(10px, 2vw, 12px) clamp(12px, 2vw, 16px);
}

/* Form field focus: black outline sits on top */
.form-group input:focus-visible,
.form-group textarea:focus-visible {
    outline: var(--focus-outline);
    outline-offset: 2px;
    border-color: var(--color-border-input);
}

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

/* Error state: red border, but focus outline takes priority */
.form-group input.has-error,
.form-group textarea.has-error {
    border-color: var(--color-error);
}

/* When error field is focused, black outline is visible on top of red border */
.form-group input.has-error:focus-visible,
.form-group textarea.has-error:focus-visible {
    outline: var(--focus-outline);
    outline-offset: 2px;
}

.form-error {
    color: var(--color-error);
    font-size: 14px;
    margin-top: 0.5rem;
    min-height: 20px;
}

.form-error:not(:empty) {
    margin-bottom: 1rem;
    margin-top: 0.5rem;
}

.form-status {
    margin-bottom: 1rem;
    padding: 12px;
    border-radius: 4px;
    font-weight: 500;
    display: none;
}

.form-status.error {
    background-color: var(--color-error-bg);
    color: var(--color-error-text);
    border-left: 4px solid var(--color-error);
    display: block;
}

.form-status.success {
    background-color: var(--color-success-bg);
    color: var(--color-text-dark);
    display: block;
}

.btn-submit {
    max-width: none;
}

.success-message {
    text-align: center;
    padding: clamp(1.5rem, 3vw, 2rem);
    border-radius: 4px;
}

.success-message p {
    font-size: clamp(14px, 2vw, 16px);
    color: var(--color-text-dark);
    line-height: 1.6;
}

/* ============================================
    CONSENT CHECKBOXES
    ============================================ */
.form-group-consent {
    margin-top: 25px;
    margin-bottom: 25px;
    margin-left: 0;
    margin-right: auto;
    text-align: left;
}

.consent-row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 1rem;
    text-align: left;
}

.consent-label {
    cursor: pointer;
    font-size: 14px;
    line-height: 1.4;
    color: var(--color-text);
}

.beans-checkbox__container {
    display: inline-block;
    position: relative;
    width: 32px;
    height: 32px;
    vertical-align: middle;
    min-width: 44px;
    min-height: 44px;
    flex-shrink: 0;
}

.beans-checkbox__input {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    box-sizing: border-box;
    outline: none;
    cursor: pointer;
    z-index: 1;
    margin: 0;
}

.beans-checkbox__visible {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 0;
    background-color: #fff;
    transition: border 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
    color: transparent;
}

.beans-checkbox__icon {
    width: 16px;
    height: 16px;
    display: block;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.beans-checkbox__input:checked + .beans-checkbox__visible {
    border: 1px solid var(--color-checkbox-checked);
    background-color: var(--color-checkbox-checked);
    color: #fff;
}

.beans-checkbox__input:checked + .beans-checkbox__visible .beans-checkbox__icon {
    opacity: 1;
}

.beans-checkbox__input:hover + .beans-checkbox__visible {
    border-color: var(--color-checkbox-checked);
}

.beans-checkbox__input:focus-visible + .beans-checkbox__visible {
    outline: var(--focus-outline);
    outline-offset: 2px;
}

/* ============================================
    FOOTER SECTION
    ============================================ */
footer {
    padding: clamp(2rem, 5vw, 3rem) 0;
    margin-top: auto;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1px;
    justify-content: center;
    flex-direction: column;
    align-items: center;
}

.footer-links a {
    color: var(--color-text-dark);
    text-decoration: none;
    font-size: clamp(13px, 1.8vw, 15px);
    border-bottom: 2px solid transparent;
    padding-bottom: 2px;
    transition: var(--transition-default);
}

/* ============================================
    COOKIE POLICY BANNER
    ============================================ */
#cookieBanner[hidden] {
    display: none;
}

.cookie-policy {
    max-width: 100%;
    border-bottom: 2px solid var(--color-border);
    z-index: 400;
    position: relative;
}

.cookie-policy__bg {
    text-align: center;
    box-sizing: border-box;
    padding: 1rem;
    padding-right: 3rem;
    width: 100%;
    background: var(--color-bg-light);
    position: relative;
}

.cookie-policy__text {
    font-size: 14px;
    line-height: 22px;
    font-family: TESCOModern, Arial, sans-serif;
    padding: 0;
    margin-bottom: 0;
}

.cookie-policy__link {
    font-weight: normal;
    color: var(--color-primary);
    border-bottom: 1px solid transparent;
    transition: var(--transition-fast);
}

.cookie-policy__link:hover,
.cookie-policy__link:focus {
    border-color: var(--color-primary);
}

.cookie-policy__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid #fff;
    background: var(--color-primary);
    color: #fff;
    padding: 0;
    position: absolute;
    top: 0.65rem;
    right: 0.65rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.cookie-policy__icon {
    width: 12px;
    height: 12px;
    display: block;
}

.cookie-policy__btn:hover {
    box-shadow: 0 0 0 4px rgba(0, 83, 159, 0.4);
}

/* ============================================
    ACCESSIBILITY: REDUCED MOTION
    ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* ============================================
    ACCESSIBILITY: HIGH CONTRAST MODE
    ============================================ */
@media (prefers-contrast: more) {
    .btn {
        border: 3px solid var(--color-text-dark);
    }
}

/* ============================================
    ACCESSIBILITY: DARK MODE
    ============================================ */
@media (prefers-color-scheme: dark) {
    :root {
        --color-text: #e0e0e0;
        --color-text-dark: #e0e0e0;
        --color-bg-light: #222;
        --color-border: #444;
        --color-border-input: #555;
        --color-error: var(--color-text-green);
        --color-checkbox-checked: var(--color-text-green);
    }

    body {
        background-color: var(--color-bg-dark);
        color: var(--color-text);
    }

    .summary {
        color: var(--color-text);
    }

    .feedback-intro,
    .form-group label,
    .footer-links a {
        color: var(--color-text);
    }

    .btn {
        background-color: #00A651;
    }

    .btn:hover {
        background-color: #00d966;
    }

    .cookie-policy__link {
        color: var(--color-text-green);
    }

    .form-error {
        color: var(--color-text-green);
    }

    .form-group input.has-error,
    .form-group textarea.has-error {
        border-color: var(--color-text-green);
    }

    .form-status.error {
        color: var(--color-text-green);
        background-color: transparent;
        border-left-color: var(--color-text-green);
    }

    .cookie-policy__btn {
        background: var(--color-text-green);
        color: var(--color-bg-dark);
    }
}

/* ============================================
    SKIP LINK STYLES
    ============================================ */
.skip-link {
    position: absolute;
    left: -9999px;  /* CHANGED: Far off-screen to the left */
    top: 0;
    background-color: var(--color-primary);
    color: #fff;
    padding: 12px 20px;
    text-decoration: none;
    z-index: 9999;
    border-radius: 0 0 4px 0;
    font-weight: 600;
    transition: left 0.3s ease;  /* CHANGED: Animate left instead of top */
}

.skip-link:focus,
.skip-link:focus-visible {
    left: 0;  /* CHANGED: Slide in from left */
    outline: 3px solid #000;
    outline-offset: 2px;
}

/* ============================================
    EPUB INSTRUCTIONS SECTION
    ============================================ */
.epub-instructions-section {
    margin-top: 45px;
    padding: clamp(2rem, 6vw, 3rem) 0;
    background-color: var(--color-bg-light);
}

#epubHeading {
    font-size: clamp(20px, 4vw, 28px);
    color: var(--color-text-dark);
    margin-bottom: 1rem;
}

.epub-intro {
    font-size: clamp(14px, 2vw, 16px);
    color: var(--color-text-light);
    margin-bottom: clamp(1.5rem, 3vw, 2rem);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Tab buttons */
.epub-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.epub-tab {
    padding: clamp(12px, 2.5vw, 16px) clamp(20px, 3vw, 28px);
    background-color: #f0f0f0;
    color: var(--color-text-dark);
    border: 2px solid var(--color-border-input);
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-default);
    min-height: 44px;
    min-width: 44px;
}

.epub-tab:hover {
    background-color: #e0e0e0;
    border-color: var(--color-text-dark);
}

.epub-tab[aria-selected="true"] {
    background-color: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.epub-tab:focus-visible {
    outline: var(--focus-outline);
    outline-offset: 2px;
}

/* Tab panels */
.epub-panel {
    max-width: 700px;
    margin: 0 auto;
    padding: clamp(1.5rem, 3vw, 2rem);
    background-color: #fff;
    border-radius: 4px;
    border: 1px solid var(--color-border);
}

.epub-panel h3 {
    font-size: clamp(18px, 3vw, 22px);
    color: var(--color-text-dark);
    margin-bottom: 1rem;
    margin-top: 0;
}

.epub-panel h4 {
    font-size: clamp(14px, 2vw, 16px);
    color: var(--color-text-dark);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.epub-panel p {
    font-size: clamp(14px, 2vw, 16px);
    color: var(--color-text);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.epub-panel ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.epub-panel li {
    font-size: clamp(14px, 2vw, 16px);
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: 0.75rem;
    text-align: left;
}

.epub-panel strong {
    font-weight: 600;
    color: var(--color-text-dark);
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .epub-tab {
        background-color: #333;
        color: var(--color-text);
        border-color: var(--color-border-input);
    }

    .epub-tab:hover {
        background-color: #444;
    }

    .epub-panel {
        background-color: #222;
        border-color: var(--color-border);
    }
}

/* ============================================
    PRINT STYLES
    ============================================ */
@media print {
    .skip-link,
    .cookie-policy {
        display: none;
    }

    .btn::after {
        content: " (" attr(href) ")";
    }

    a {
        color: var(--color-primary);
    }

    body {
        font-size: 12pt;
    }
}

/* ============================================
    RESPONSIVE: TABLET & UP
    ============================================ */
@media (min-width: 768px) {
    .cookie-policy__text {
        font-size: 16px;
        line-height: 24px;
        margin-bottom: 6px;
    }
}

/* ============================================
    RESPONSIVE: MOBILE OPTIMIZATIONS
    ============================================ */
@media (max-width: 768px) {

    body {
        margin-right: 20px;
        margin-left: 20px;
    }

    .container {
        max-width: 100%;
    }

    #feedbackContainer {
        max-width: calc(100% - 50px);
    }

    .logo-container img {
        width: 150px;
    }

    .btn {
        height: 37px;
    }

    .buttons-grid {
        gap: clamp(0.75rem, 2vw, 1rem);
    }
}