/* ── AAU Design System ── */
@import url("https://fonts.googleapis.com/css2?family=Barlow:wght@400;500;600;700;800&family=Montserrat:wght@500;600&display=swap");

/* ── Reset & base ── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* AAU colours */
    --aau-navy: #211a51; /* Valhalla – primary brand */
    --aau-blue: #4406e0; /* Electric blue – CTAs */
    --aau-gray-light: #f1f1f3; /* Athens gray – surfaces */
    --aau-gray-mid: #e2e2e9; /* Middle gray – borders */
    --aau-gray: #b4b4c5; /* British gray */
    --aau-gray-text: #6b6b8e; /* Storm gray – muted text */

    /* AAU secondary colours */
    --aau-azure: #008bb2;
    --aau-sapphire: #007fa3;
    --aau-petroleum: #0e8563;
    --aau-coral: #e74b65;
    --aau-watermelon: #cc445b;
    --aau-orange: #bb5b17;
    --aau-hazelnut: #a16547;
    --aau-mosgreen: #97701f;
    --aau-site-gray: #667985;

    --brand: var(--aau-blue);
    --bg: #ffffff;
    --surface: var(--aau-gray-light);
    --border: var(--aau-gray-mid);
    --text: var(--aau-navy);
    --muted: var(--aau-gray-text);
    --radius: 2rem;
    --shadow: 0 4px 24px rgba(33, 26, 81, 0.1);
}

body {
    font-family: "Barlow", Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
}

a {
    color: var(--aau-blue);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ── Buttons ── */
.btn {
    display: inline-block;
    padding: 0.65rem 1.6rem;
    border-radius: var(--radius);
    font-family: "Barlow", Arial, sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition:
        opacity 0.15s,
        transform 0.15s;
    text-decoration: none;
    border: 2px solid transparent;
}
.btn:hover {
    opacity: 0.85;
    transform: translateY(-1px);
    text-decoration: none;
}

.btn-primary {
    background: var(--aau-blue);
    color: #fff;
    border-color: var(--aau-blue);
}
.btn-outline {
    background: transparent;
    color: var(--aau-navy);
    border-color: var(--aau-navy);
}
.btn-sm {
    padding: 0.4rem 1.1rem;
    font-size: 0.875rem;
}
.btn-lg {
    padding: 0.85rem 2.2rem;
    font-size: 1.05rem;
}

/* ── Header ── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--aau-navy);
    padding: 1rem 0;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.1rem;
    color: #fff;
    text-decoration: none;
}
.logo-icon {
    font-size: 1.4rem;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.site-nav a {
    font-weight: 500;
    color: rgba(255, 255, 255, 0.75);
}
.site-nav a:hover {
    color: #fff;
    text-decoration: none;
}
.site-nav .btn-outline {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
}
.site-nav .btn-outline:hover {
    border-color: #fff;
}

/* ── Hero ── */
.hero {
    padding: 6rem 0 5rem;
    background: var(--aau-navy);
    color: #fff;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.3rem 0.9rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.25rem;
    color: #fff;
}

.gradient-text {
    color: #a78bff;
}

.hero-lead {
    max-width: 600px;
    margin: 0 auto 2rem;
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.75);
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero .btn-primary {
    background: var(--aau-blue);
    border-color: var(--aau-blue);
}
.hero .btn-outline {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
}
.hero .btn-outline:hover {
    border-color: #fff;
}

/* ── Section shared ── */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}
.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}
.section-header p {
    color: var(--muted);
    font-size: 1.05rem;
}

/* ── Tools grid ── */
.tools {
    background: var(--surface);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.tool-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px; /* AAU uses sharper corners on cards */
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    box-shadow: var(--shadow);
    position: relative;
    transition:
        transform 0.2s,
        box-shadow 0.2s;
    border-top: 4px solid var(--aau-gray-mid);
}
.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 36px rgba(33, 26, 81, 0.15);
    border-top-color: var(--aau-blue);
}

.tool-card.live {
    border-top-color: var(--aau-blue);
}

.status-label {
    position: absolute;
    top: -1px;
    right: 1.5rem;
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 0 0 4px 4px;
}

.status-live {
    background: #1a9e5c;
}
.status-not-live {
    background: #9ca3af;
}

.tool-icon {
    font-size: 2.5rem;
}
.tool-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--aau-navy);
}
.tool-card p {
    color: var(--muted);
    font-size: 0.95rem;
}

.tool-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    flex: 1;
}
.tool-features li::before {
    content: "✓  ";
    color: var(--accent, var(--aau-blue));
    font-weight: 700;
}
.tool-features li {
    font-size: 0.9rem;
    color: var(--text);
}

.tool-footer {
    margin-top: 0.5rem;
}

.btn-disabled {
    background: var(--aau-gray-mid);
    border-color: var(--aau-gray-mid);
    color: var(--aau-gray-text);
    cursor: not-allowed;
    opacity: 0.6;
}

/* ── About ── */
.more-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

@media (max-width: 700px) {
    .more-info-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

.more-info-text h2 {
    font-size: 1.9rem;
    font-weight: 700;
    margin-bottom: 1rem;
}
.more-info-text p {
    color: var(--muted);
    margin-bottom: 1rem;
}

.more-info-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1.5rem;
    text-align: center;
}

.stat {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    border-top: 3px solid var(--aau-blue);
    padding: 1.5rem 1rem;
}
.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--aau-blue);
}
.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--muted);
    margin-top: 0.25rem;
    font-family: "Montserrat", sans-serif;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ── CTA ── */
.cta {
    background: var(--aau-navy);
    color: #fff;
    text-align: center;
    padding: 5rem 0;
}

.cta h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #fff;
}
.cta p {
    margin-bottom: 2rem;
    opacity: 0.8;
    font-size: 1.05rem;
}

.cta .btn-primary {
    background: var(--aau-blue);
    border-color: var(--aau-blue);
    color: #fff;
}

/* ── Footer ── */
.site-footer {
    background: #15103a;
    color: rgba(255, 255, 255, 0.5);
    padding: 2rem 0;
    text-align: center;
    font-size: 0.9rem;
}
.site-footer a {
    color: rgba(255, 255, 255, 0.75);
}
.site-footer a:hover {
    color: #fff;
}

/* ── Tool page ── */
.tool-hero {
    padding: 4rem 0 3rem;
    background: var(--aau-navy);
    color: #fff;
}

.tool-back {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    display: inline-block;
    margin-bottom: 1.5rem;
}
.tool-back:hover {
    color: #fff;
    text-decoration: none;
}

.tool-hero-heading {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.tool-hero-icon {
    font-size: 3rem;
}

.tool-hero-heading h1 {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.2;
    color: #fff;
}

.tool-hero-tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.1rem;
    margin-top: 0.25rem;
}

.tool-hero-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.tool-features-bar {
    padding: 2rem 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.tool-feature-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    list-style: none;
}

.tool-feature-pills li {
    background: var(--bg);
    border: 1px solid var(--border);
    border-left: 3px solid var(--aau-blue);
    border-radius: 4px;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    color: var(--text);
}

.tool-content {
    padding: 4rem 0;
}

/* ── Prose (tool pages) ── */
.prose h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 2rem 0 0.75rem;
}
.prose p {
    color: var(--muted);
    margin-bottom: 1rem;
    max-width: 680px;
}
.prose ol,
.prose ul {
    color: var(--muted);
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}
.prose li {
    margin-bottom: 0.4rem;
}

/* ── Responsive ── */
@media (max-width: 640px) {
    .site-nav .btn-outline {
        display: none;
    }
    .hero {
        padding: 4rem 0 3rem;
    }
}