/* LearnPath — "Highland Trail" brand system */

@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@500;600;700&family=Nunito:wght@400;600;700;800&display=swap');

:root {
    --pine: #1f4d3d;
    --pine-dark: #123128;
    --pine-light: #2e6b54;
    --amber: #e8a33d;
    --amber-dark: #c8822a;
    --parchment: #f5efdc;
    --parchment-dark: #e9dfc4;
    --ink: #2b2620;
    --ink-soft: #5a5346;
    --danger: #b3462c;

    --font-heading: 'Fredoka', system-ui, sans-serif;
    --font-body: 'Nunito', system-ui, sans-serif;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body);
    color: var(--ink);
    background-color: var(--parchment);
    /* Faint topographic contour lines: layered concentric ring pattern */
    background-image:
        radial-gradient(circle at 15% 20%, transparent 38px, rgba(31, 77, 61, 0.05) 39px, rgba(31, 77, 61, 0.05) 40px, transparent 41px),
        radial-gradient(circle at 15% 20%, transparent 68px, rgba(31, 77, 61, 0.05) 69px, rgba(31, 77, 61, 0.05) 70px, transparent 71px),
        radial-gradient(circle at 85% 60%, transparent 58px, rgba(31, 77, 61, 0.05) 59px, rgba(31, 77, 61, 0.05) 60px, transparent 61px),
        radial-gradient(circle at 85% 60%, transparent 88px, rgba(31, 77, 61, 0.05) 89px, rgba(31, 77, 61, 0.05) 90px, transparent 91px),
        radial-gradient(circle at 50% 90%, transparent 48px, rgba(31, 77, 61, 0.04) 49px, rgba(31, 77, 61, 0.04) 50px, transparent 51px);
    background-repeat: repeat;
    background-size: 420px 420px, 420px 420px, 520px 520px, 520px 520px, 340px 340px;
    min-height: 100vh;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--pine-dark);
    margin: 0 0 0.5em;
}

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

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* --- Nav --- */

.site-header {
    background: var(--pine);
    border-bottom: 4px solid var(--amber);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.4rem;
    color: #fff;
    text-decoration: none;
}

.brand img {
    width: 36px;
    height: 36px;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.site-nav a {
    color: #fdf6e3;
    text-decoration: none;
    font-weight: 700;
}

.site-nav a:hover {
    color: var(--amber);
}

.paws-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: var(--amber);
    color: var(--pine-dark);
    font-weight: 800;
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    font-size: 0.9rem;
}

/* --- Buttons --- */

.btn {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: 12px;
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    font-size: 1rem;
    transition: transform 0.08s ease, box-shadow 0.08s ease;
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background: var(--amber);
    color: var(--pine-dark);
    box-shadow: 0 3px 0 var(--amber-dark);
}

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

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

/* --- Cards --- */

.card {
    background: #fff;
    border-radius: 16px;
    padding: 1.75rem;
    box-shadow: 0 2px 10px rgba(31, 77, 61, 0.12);
    margin-bottom: 1.5rem;
}

/* --- Forms --- */

.form-group {
    margin-bottom: 1.1rem;
}

label {
    display: block;
    font-weight: 700;
    margin-bottom: 0.35rem;
    color: var(--pine-dark);
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea {
    width: 100%;
    font-family: var(--font-body);
    font-size: 1rem;
    padding: 0.65rem 0.85rem;
    border: 2px solid var(--parchment-dark);
    border-radius: 10px;
    background: #fffdf7;
    color: var(--ink);
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--pine-light);
}

.alert {
    padding: 0.85rem 1.1rem;
    border-radius: 10px;
    margin-bottom: 1.1rem;
    font-weight: 700;
}

.alert-error {
    background: #fbe4dc;
    color: var(--danger);
    border: 1px solid var(--danger);
}

.alert-success {
    background: #e4f2ea;
    color: var(--pine-dark);
    border: 1px solid var(--pine);
}

/* --- Landing hero --- */

.hero {
    text-align: center;
    padding: 3.5rem 0 2.5rem;
}

.hero img {
    width: 140px;
    margin-bottom: 1rem;
}

.hero h1 {
    font-size: 2.4rem;
    margin-bottom: 0.4rem;
}

.hero p {
    font-size: 1.15rem;
    color: var(--ink-soft);
    max-width: 560px;
    margin: 0 auto 1.75rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin: 2.5rem 0;
}

.feature-grid .card {
    text-align: center;
    margin-bottom: 0;
}

.feature-grid h3 {
    font-size: 1.1rem;
}

/* --- Dashboard --- */

.stat-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.stat-pill {
    flex: 1;
    min-width: 140px;
    background: #fff;
    border-radius: 14px;
    padding: 1rem 1.25rem;
    box-shadow: 0 2px 8px rgba(31, 77, 61, 0.1);
}

.stat-pill .value {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--pine);
}

.stat-pill .label {
    font-size: 0.85rem;
    color: var(--ink-soft);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* --- Lesson --- */

.lesson-content h2 {
    margin-top: 1.5rem;
}

.lesson-content ul {
    padding-left: 1.4rem;
}

.lesson-content li {
    margin-bottom: 0.4rem;
}

/* --- Exam --- */

.exam-question {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--pine-dark);
    margin-bottom: 1rem;
}

#exam-response {
    min-height: 220px;
    resize: vertical;
}

#exam-feedback {
    margin-top: 1.5rem;
}

.criterion {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--parchment-dark);
}

.criterion:last-child {
    border-bottom: none;
}

.criterion .mark-icon {
    font-weight: 800;
    font-size: 1.1rem;
    flex-shrink: 0;
    width: 1.5rem;
    text-align: center;
}

.criterion.awarded .mark-icon {
    color: var(--pine);
}

.criterion.missed .mark-icon {
    color: var(--danger);
}

.score-banner {
    background: var(--pine);
    color: #fff;
    border-radius: 14px;
    padding: 1rem 1.5rem;
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.score-banner .paws-earned {
    color: var(--amber);
}

/* --- Footer --- */

.site-footer {
    text-align: center;
    padding: 2rem 0;
    color: var(--ink-soft);
    font-size: 0.9rem;
}