:root {
    /* Light mode */
    --bg-light: #f9f9f9;
    --text-light: #222;
    --accent: #035A80;
    --accent-hover: #003f5e;
    --card-bg-light: #f2f8fb;
    --card-border-light: #d0e6f0;

    /* GitHub Dark mode */
    --bg-dark: #0d1117;
    --text-dark: #c9d1d9;
    --text-muted-dark: #8b949e;
    --accent-dark: #58a6ff;
    --accent-dark-hover: #4093e6;
    --card-bg-dark: #161b22;
    --card-border-dark: #30363d;
}

a {
    cursor: pointer;
    text-decoration: none;
}

body {
    font-family: 'Segoe UI', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-light);
    margin: 0;
    transition: background 0.3s, color 0.3s;
}

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

.container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: #FAFCFF;
    padding: 20px 20px;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

body.dark header {
    background-color: #161b22;
    border-bottom: 1px solid var(--card-border-dark);
}

header img {
    height: 40px;
}

nav a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    margin-left: 16px;
    font-size: 16px;
}
nav select {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 14px;
    margin-left: 16px;
    cursor: pointer;
}


body.dark nav a {
    color: var(--accent-dark);
}

.toggle-darkmode {
    cursor: pointer;
    background: none;
    border: 1px solid var(--accent);
    border-radius: 4px;
    padding: 6px 12px;
    color: var(--accent);
    margin-left: 20px;
    font-size: 14px;
}

body.dark .toggle-darkmode {
    border-color: var(--accent-dark);
    color: var(--accent-dark);
}


/***************************************************/

.a, .link {
    cursor: pointer;
}


.hero {
    background: linear-gradient(135deg, #035A80 0%, #0594c9 100%);
    color: white;
    position: relative;
    overflow: hidden;
    padding: 40px 10px 40px 10px;
    text-align: center;
}

.hero h1 {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease forwards;
    opacity: 0;
}

.hero p {
    font-size: clamp(1rem, 3vw, 1.5rem);
    font-size: 1.1rem;
    width: 100%;
    margin: 0 auto;
    white-space: nowrap;
    text-align: center;
    animation: fadeInUp 1.4s ease forwards;
    opacity: 0;
}

.hero::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: radial-gradient(circle at center, rgba(255,255,255,0.05), transparent 70%);
    filter: blur(30px);
    z-index: 0;
}

.hero > * {
    position: relative;
    z-index: 1;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    padding: 40px 20px;
}

.feature-card {
    background-color: var(--card-bg-light);
    border: 1px solid var(--card-border-light);
    border-radius: 12px;
    padding: 25px;
    transition: transform 0.3s ease, background 0.3s, border 0.3s;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s forwards;
}

body.dark .feature-card {
    background-color: var(--card-bg-dark);
    border: 1px solid var(--card-border-dark);
}

.feature-card h3 {
    color: var(--accent);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

body.dark .feature-card h3 {
    color: var(--accent-dark);
}

.feature-card p {
    font-size: 1rem;
    color: var(--text-light);
}

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.cta {
    text-align: center;
    padding: 30px 20px;
}

.signup-btn {
    background-color: var(--accent);
    color: #fff !important;
    padding: 14px 26px;
    font-size: 1.1rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.3s ease;
}

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

/* dark */
body.dark .feature-card p {
    color: var(--text-muted-dark);
}
body.dark .signup-btn {
    background-color: var(--accent-dark);
}
body.dark .signup-btn:hover {
    background-color: var(--accent-dark-hover);
}
/* Skygge i dark mode */
body.dark .hero h1,
body.dark .hero p {
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.15);
}
body.dark nav select {
    border-color: var(--accent-dark);
    color: var(--accent-dark);
}
/* /dark */

.cta p {
    margin-top: 20px;
    font-size: 1rem;
}

.cta a {
    color: var(--accent);
    text-decoration: underline;
}

body.dark .cta a {
    color: var(--accent-dark);
}

footer {
    margin-top: auto;
    background-color: #eee;
    text-align: center;
    padding: 20px;
    font-size: 0.9rem;
    color: var(--accent);
}

body.dark footer {
    background-color: #161b22;
    color: var(--accent-dark);
}

@media (max-width: 900px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
        white-space: normal;
        max-width: 80vw!important;
    }

    nav a, .toggle-darkmode {
        font-size: 14px;
        margin-left: 10px;
    }
}

.info-box {
    max-width: 650px;
    margin: 0 auto 100px auto;
    background-color: #f2f8fb;
    border: 1px solid #d0e6f0;
    border-radius: 8px;
    padding: 20px;
    text-align: left;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-light);
}

.info-box ul {
    list-style: none;
    padding-left: 0;
}

.info-box li {
    margin-bottom: 8px;
}

.info-box a {
    color: var(--accent);
    text-decoration: underline;
}

body.dark .info-box {
    background-color: #161b22;
    border-color: #30363d;
    color: var(--text-muted-dark);
}
body.dark .info-box a {
    color: var(--accent-dark);
}