/* styles.css */

:root {
    --theme-blue: #003399;
    --theme-purple: #6a4cff;
    --theme-cyan: #00d1ff;
    --accent-gold: #ffd166;
    --text-dark: #212529;
    --text-light: #495057;
    --background-white: #ffffff;
    --background-light: #eef2ff;
    --border-color: #dee2e6;
    --accent: #fb8c00; /* refined orange for better readability */
    --accent-strong: #ef6c00; /* deeper shade for lines/accents */
    --accent-muted: rgba(251, 140, 0, 0.08); /* subtle background tint */
    --link-color: #374151; /* neutral slate */
    --link-hover: #111827;
    --brand: #00aeef; /* requested brand cyan for titles */
}

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

body {
    font-family: 'Lato', 'Arial', sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background: radial-gradient(1200px 800px at 10% 10%, #fff7ed 0%, transparent 60%),
                radial-gradient(800px 600px at 90% 20%, #fef3c7 0%, transparent 55%),
                linear-gradient(120deg, #fffdfa 0%, #fbfbfb 40%, #ffffff 100%);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Unified accent across scenarios (orange) */

body.landing {
    display: flex;
    align-items: center;
    justify-content: center;
}

body::before,
body::after {
    content: "";
    position: fixed;
    inset: -20vh -20vw;
    z-index: -1;
    background: radial-gradient(45% 45% at 20% 30%, rgba(251, 140, 0, 0.10) 0%, rgba(0,0,0,0) 60%),
                radial-gradient(35% 35% at 80% 20%, rgba(245, 158, 11, 0.08) 0%, rgba(0,0,0,0) 60%),
                radial-gradient(30% 30% at 60% 80%, rgba(239, 108, 0, 0.08) 0%, rgba(0,0,0,0) 60%);
    filter: blur(20px);
    animation: floatBg 26s linear infinite alternate;
}

body::after {
    animation-duration: 32s;
    transform: scale(1.05);
}

.container {
    position: relative;
    max-width: 980px;
    margin: 30px auto;
    padding: 56px 64px;
    background: rgba(255, 255, 255, 0.92);
    border-radius: 20px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    overflow: hidden;
    animation: fadeUp 800ms ease-out both;
}

body.landing .container {
    text-align: center;
}

.container::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(90deg, rgba(239, 108, 0, 0.14), rgba(251, 140, 0, 0.10), rgba(245, 158, 11, 0.10));
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    padding: 1px; /* creates a glowing border */
    border-radius: 20px;
    animation: shimmer 8s linear infinite;
}

h1 {
    font-family: 'Merriweather', 'Georgia', serif;
    font-size: 3rem;
    font-weight: 800;
    margin: 0 0 12px 0;
    line-height: 1.15;
    background: linear-gradient(90deg, #111827, var(--brand), #6b7280);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 12s ease-in-out infinite;
    letter-spacing: 0.5px;
}

h1 + p {
    font-size: 1.15em;
    font-weight: 600;
    color: var(--text-light);
    margin: 0 0 44px 0;
}

.brand { margin-bottom: 12px; text-align: center; }
.brand-logo {
    width: 88px;
    height: auto;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.15));
    animation: float 9s ease-in-out infinite;
}

.button-container {
    display: flex;
    flex-direction: column;
    gap: 18px;
    align-items: center;
}

.btn {
    --btn-start: var(--theme-blue);
    --btn-end: var(--theme-purple);
    position: relative;
    display: inline-block;
    text-decoration: none;
    color: var(--background-white);
    font-family: 'Lato', 'Arial', sans-serif;
    font-weight: 800;
    letter-spacing: 0.3px;
    font-size: 1.05rem;
    padding: 14px 28px;
    border-radius: 999px;
    min-width: 260px;
    background: linear-gradient(135deg, var(--btn-start), var(--btn-end));
    background-size: 160% 160%;
    box-shadow: 0 10px 25px rgba(0, 51, 153, 0.25);
    transition: transform 240ms ease, box-shadow 240ms ease, filter 240ms ease, background-position 400ms ease;
    will-change: transform, filter;
}

.button-container .btn { animation: fadeUp 700ms ease-out both; }
/* REMOVED nth-child animation delays */

.btn:hover {
    transform: translateY(-4px);
    background-position: 20% 50%;
    box-shadow: 0 16px 40px rgba(0, 51, 153, 0.35);
    filter: brightness(1.05);
}

.btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(0, 209, 255, 0.25), 0 10px 25px rgba(0, 51, 153, 0.25);
}

.btn::after {
    content: "";
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    background: radial-gradient(120% 120% at 50% 10%, rgba(255, 255, 255, 0.45), rgba(255, 255, 255, 0) 60%),
                radial-gradient(90% 90% at 90% 90%, rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0) 60%);
    z-index: -1;
    transition: opacity 240ms ease;
    opacity: 0.6;
}

.btn:hover::after { opacity: 0.85; }

/* REMOVED nth-child button color styles */

.site-note {
    margin-top: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--text-light);
    font-size: 0.95rem;
    opacity: 0.9;
}

.site-note .eu-mark { height: 28px; width: auto; }

.back-link {
    position: fixed;
    top: 20px;
    left: 20px;
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--link-color);
    background-color: rgba(255, 255, 255, 0.8);
    padding: 8px 16px;
    border-radius: 999px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    z-index: 1000;
    transition: all 0.2s ease;
}

.back-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.15);
    background-color: white;
}

@media (min-width: 768px) {
    /* This rule is now overridden by the more specific 
       .age-group-container .button-container rule, which is fine. */
    .button-container {
        flex-direction: row;
        justify-content: center;
        gap: 22px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
    0% { opacity: 0.6; }
    50% { opacity: 0.9; }
    100% { opacity: 0.6; }
}

@keyframes floatBg {
    from { transform: translateY(-2%) translateX(0%); }
    to   { transform: translateY(2%) translateX(2%); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-6px); }
}

/* Styles for sub-pages */
.container h2 {
    font-family: 'Merriweather', 'Georgia', serif;
    font-size: 1.8em;
    font-weight: 700;
    color: var(--text-dark);
    border-bottom: 2px solid var(--accent-strong);
    padding-bottom: 8px;
    margin-top: 50px;
    margin-bottom: 20px;
    scroll-margin-top: 90px; /* better anchor positioning below back-link */
}

.container h3 {
    font-family: 'Lato', 'Arial', sans-serif;
    font-size: 1.4em;
    font-weight: 700;
    color: var(--text-dark);
    margin-top: 30px;
    margin-bottom: 15px;
    padding-left: 12px;
    position: relative;
}

.container h3::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.32em;
    width: 6px;
    height: 1.05em;
    border-radius: 4px;
    background: linear-gradient(180deg, var(--accent), var(--accent-strong));
}

.container h4 {
    font-size: 1.1em;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-light);
    margin-top: 25px;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.container p, .container ul, .container ol {
    margin-bottom: 18px;
    font-size: 1.05em;
}

.container ul, .container ol {
    padding-left: 30px;
}

.container li {
    margin-bottom: 10px;
}

.container strong {
    color: var(--text-dark);
    font-weight: 700;
}

.info-block {
    background-color: var(--accent-muted);
    border-left: 5px solid var(--accent);
    padding: 20px 25px;
    margin: 30px 0;
    border-radius: 4px;
}

.info-block p {
    margin: 10px 0;
    font-size: 1.1em;
}
.info-block p:first-child { margin-top: 0; }
.info-block p:last-child { margin-bottom: 0; }

table {
    width: 100%;
    border-collapse: collapse;
    margin: 25px 0;
    font-size: 0.95em;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

th, td {
    padding: 12px 15px;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: var(--background-light);
    font-weight: 700;
    color: var(--accent);
    border-bottom: 2px solid var(--accent-strong);
}

tr:nth-child(even) {
    background-color: #fdfdfd;
}

tr:last-child td {
    border-bottom: 0;
}

.ref-list a {
    color: var(--link-color);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 700;
    transition: color 0.2s ease;
}

.ref-list a:hover {
    color: var(--link-hover);
}

/* General inline links inside content */
.container a:not(.btn) {
    color: var(--link-color);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.container a:not(.btn):hover {
    color: var(--link-hover);
}

/* --- Enhancements: Callouts, Table upgrades --- */

/* Callout blocks */
.callout {
    border-left: 6px solid #9ca3af; /* neutral slate */
    background: rgba(156, 163, 175, 0.08);
    padding: 14px 16px;
    border-radius: 12px;
    margin: 18px 0;
}
.callout .title { font-weight: 800; margin-bottom: 6px; }
.callout.tip { border-left-color: #10b981; background: rgba(16, 185, 129, 0.08); }
.callout.note { border-left-color: #3b82f6; background: rgba(59, 130, 246, 0.08); }
.callout.caution { border-left-color: #f59e0b; background: rgba(245, 158, 11, 0.1); }
.callout.activity { border-left-color: #7c3aed; background: rgba(124, 58, 237, 0.08); }

/* Table upgrades */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 14px rgba(0,0,0,0.04);
}
.table-responsive table {
    margin: 0; /* remove outer margins when wrapped */
    border: 0; /* outer border handled by wrapper */
}
.table-responsive thead th {
    position: sticky;
    top: 0;
    z-index: 2;
    background: var(--background-white);
    box-shadow: 0 1px 0 var(--border-color);
}
.table-caption {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-top: 8px;
    text-align: left;
}

/* Subpage hero header */
.hero {
    background: var(--hero-bg, var(--accent-muted));
    border: 1px solid var(--hero-border, rgba(239, 108, 0, 0.25));
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 24px;
}
.hero h1 { margin-bottom: 6px; }
.hero .sub { color: var(--text-light); font-weight: 600; }

/* Per-page hero color themes (non-orange) */
body.scenario-story {
    --hero-bg: rgba(14, 165, 164, 0.08);   /* teal */
    --hero-border: rgba(13, 148, 136, 0.25);
}
body.scenario-ai {
    --hero-bg: rgba(124, 58, 237, 0.08);   /* purple */
    --hero-border: rgba(124, 58, 237, 0.25);
}
body.scenario-food {
    --hero-bg: rgba(22, 163, 74, 0.08);    /* green */
    --hero-border: rgba(22, 163, 74, 0.25);
}


/*
=====================================================
 NEW STYLES (Added for Age Groups & Scenario Pages)
=====================================================
*/

/* --- NEW Main Title for Scenario Section --- */
.scenarios-main-title {
    font-family: 'Merriweather', 'Georgia', serif;
    font-size: 2.2rem; /* Larger than group titles */
    font-weight: 800;
    text-align: center;
    color: var(--text-dark);
    margin-top: 3rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--accent);
}


/* --- Styles for Scenario Age Groups --- */

.age-group-container {
    border-radius: 10px;
    padding: 1.5rem;
    margin-top: 2rem;
    border: 2px solid #ddd;
    background-color: #f9f9f9;
}

/* MODIFIED: Changed h2 to h3, reduced font size */
.age-group-container h3 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    font-family: 'Merriweather', serif;
    font-size: 1.5rem; /* Reduced from 1.8rem */
    text-align: left;
    border-bottom: 3px solid;
    padding-bottom: 10px;
    /* Reset sub-page h3 styles */
    padding-left: 0; 
    color: var(--text-dark); /* Ensure color is set */
}
/* Remove h3::before pseudo-element for these */
.age-group-container h3::before {
    display: none;
}


/* * This is the fix for your button wrapping issue.
  * It overrides the default '.button-container' (which is 'column')
  * and forces it to be a wrapping row, aligned left.
*/
.age-group-container .button-container {
    display: flex;
    flex-direction: row; /* Override default 'column' */
    flex-wrap: wrap;
    justify-content: flex-start; /* Align buttons to the left */
    gap: 10px; /* Add spacing between buttons */
    align-items: center; /* Override default */
}

.age-group-container .btn {
    margin: 5px 0; /* Remove side margin, use gap instead */
    min-width: 220px; /* Make buttons slightly smaller to fit more */
}


/* --- Age Group Colors --- */

/* Age 3-7 (e.g., Light Green) */
.group-age-3-7 {
    border-color: #92D050;
    background-color: #F4FBEE;
}
.group-age-3-7 h3 {
    color: #5a8a22;
    border-color: #c5e1a5;
}

/* Age 8-12 (e.g., Light Blue) */
.group-age-8-12 {
    border-color: #00AEEF;
    background-color: #E7F7FE;
}
.group-age-8-12 h3 {
    color: #0078a3;
    border-color: #b3e5fc;
}

/* Age 13-16 (e.g., Light Orange) */
.group-age-13-16 {
    border-color: #ED7D31;
    background-color: #fef3e9;
}
.group-age-13-16 h3 {
    color: #b55d1c;
    border-color: #fcd9b9;
}


/* --- Styles for Scenario Page Downloads --- */
.downloads-section {
    background-color: #f4f4f4;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 1.5rem 2rem;
    margin: 2rem 0;
}

.downloads-section h3 {
    margin-top: 0;
    color: #333;
    /* Reset h3 styles from main */
    padding-left: 0;
    border: none;
    font-size: 1.5rem; /* Set explicit size */
    margin-bottom: 1rem;
}
.downloads-section h3::before {
    display: none; /* Hide the vertical accent bar */
}


.downloads-section .button-container {
    display: flex;
    flex-direction: row; /* Always be a row */
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-start; /* Align left */
}

.btn-download {
    background-color: #ED7D31; /* SmAIle Orange */
    color: #fff;
    font-weight: bold;
    min-width: 240px; /* Consistent width */
}
.btn-download:hover {
    background-color: #b55d1c;
}

.btn-secondary {
    background-color: #595959; /* SmAIle Gray */
}
.btn-secondary:hover {
    background-color: #333;
}

/* General class for all scenario pages */
.scenario-page {
    background-color: #fff;
    color: #333;
}
/* Override the landing page container style */
.scenario-page .container {
    max-width: 900px;
    margin: 90px auto 30px auto; /* Add top margin for back-link */
    padding: 20px 40px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    /* Remove landing-page specific effects */
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}
.scenario-page .container::before {
    display: none; /* Hide the glowing border */
}

/* =====================================================
 NEW BUTTON THEME COLORS 
=====================================================
*/

/* DEBATE (Purple) */
.btn-debate {
    --btn-start: #6a4cff;
    --btn-end: #b794ff;
}

/* A BITE OF THE FUTURE (Green) */
.btn-bite {
    --btn-start: #10b981;
    --btn-end: #34d399;
}

/* TRAINING AI (Orange) */
.btn-training {
    --btn-start: #ED7D31;
    --btn-end: #f59e0b;
}

/* STORYTELLING (Teal) */
.btn-story {
    --btn-start: #00c2a8;
    --btn-end: #30e8bf;
}

/* AI ARTS & MUSIC (Red/Pink) */
.btn-arts {
    --btn-start: #ec4899;
    --btn-end: #f472b6;
}

/* HOW AI LEARNS (Blue) */
.btn-learns {
    --btn-start: #0066ff;
    --btn-end: #00d1ff;
}

/* --- TBD / Coming Soon Styles --- */

/* The TBD Button Style */
.btn.tbd {
    /* 1. Keep the original shape & color, just dim it */
    opacity: 0.6;                
    filter: grayscale(0.3);      /* Slightly wash out the color */
    
    /* 2. Positioning for the badge */
    position: relative;          
    overflow: visible;           /* Allow badge to stick out of the corner */
    
    /* 3. Interaction */
    cursor: help;                /* Shows a '?' cursor to indicate it's special */
}

.btn.tbd:hover {
    /* Slight lift on hover, but less than active buttons */
    transform: translateY(-2px); 
    opacity: 0.8;
    filter: grayscale(0);        /* Bring color back on hover */
}

/* The "TBD" Badge (Mini Version) */
.btn.tbd::after {
    content: "TBD";
    position: absolute;
    
    /* Position: Tucked tightly in the corner */
    top: -5px;
    right: -5px;
    
    /* Size: Force it to fit content only */
    width: auto;
    height: auto;
    padding: 2px 4px;      /* Minimal padding */
    line-height: 1;        /* Prevents extra height */
    
    /* Visuals */
    background-color: #333;
    color: #fff;
    font-size: 0.7rem;     /* Kept as requested */
    font-weight: 900;
    border-radius: 3px;
    
    /* Styling */
    border: 1px solid #fff; /* Thinner border */
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
    transform: rotate(0deg); /* Removed rotation to keep it neat */
    z-index: 10;
}