/* =========================
   PALWORLD BREEDING CALCULATOR
   Main Website Styling
========================= */

:root {
    --bg: #0b1220;
    --panel: #121d30;
    --panel-light: #17263b;
    --text: #f2f6ff;
    --muted: #a8b6cc;
    --accent: #a3e635;
    --border: #293951;
}

/* RESET */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
}

/* GENERAL */

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

a {
    color: inherit;
    text-decoration: none;
}

/* HEADER */

header {
    background: var(--panel);
    border-bottom: 1px solid var(--border);
}

header .container {
    min-height: 75px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.logo {
    font-size: 23px;
    font-weight: 800;
    letter-spacing: 1px;
}

.logo span {
    color: var(--accent);
    margin-left: 5px;
}

nav {
    display: flex;
    gap: 25px;
}

nav a {
    color: var(--muted);
    font-size: 15px;
    transition: color 0.2s ease;
}

nav a:hover {
    color: var(--accent);
}

/* HERO SECTION */

.hero {
    text-align: center;
    padding: 85px 20px 65px;
    background: radial-gradient(
        ellipse at top,
        #1b3150 0%,
        var(--bg) 75%
    );
}

.tagline {
    color: var(--accent);
    font-size: 13px;
    font-weight: bold;
    letter-spacing: 3px;
    margin-bottom: 18px;
}

.hero h1 {
    font-size: clamp(32px, 5vw, 56px);
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero p:last-child {
    max-width: 650px;
    margin: 0 auto;
    color: var(--muted);
    font-size: 18px;
}

/* CALCULATOR */

.calculator {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 35px;
    margin-top: 10px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.calculator h2 {
    font-size: 26px;
    margin-bottom: 28px;
    text-align: center;
}

.breeding-form {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 20px;
}

.parent-box {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 15px;
    padding: 22px;
}

.parent-box label {
    display: block;
    font-weight: bold;
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 12px;
}

.parent-box select {
    width: 100%;
    padding: 14px;
    border: 1px solid #354964;
    border-radius: 10px;
    background: var(--panel-light);
    color: var(--text);
    font-size: 15px;
    cursor: pointer;
}

.parent-box select:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.plus {
    font-size: 30px;
    font-weight: bold;
    color: var(--accent);
}

/* BUTTON */

#calculate {
    width: 100%;
    padding: 16px;
    margin-top: 25px;
    background: var(--accent);
    color: #17220a;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s ease, filter 0.2s ease;
}

#calculate:hover {
    filter: brightness(1.08);
    transform: translateY(-2px);
}

#calculate:focus-visible {
    outline: 3px solid white;
    outline-offset: 3px;
}

/* RESULT BOX */

.result {
    margin-top: 20px;
    padding: 20px;
    min-height: 65px;
    background: var(--bg);
    border: 1px dashed #496079;
    border-radius: 12px;
    color: var(--muted);
    text-align: center;
}

/* ABOUT SECTION */

.about {
    padding-top: 70px;
    padding-bottom: 60px;
}

.about h2 {
    font-size: 25px;
    margin-bottom: 15px;
    margin-top: 25px;
}

.about p,
.about li {
    color: var(--muted);
    font-size: 16px;
}

.about ol {
    padding-left: 25px;
}

/* FOOTER */

footer {
    border-top: 1px solid var(--border);
    padding: 28px 20px;
    text-align: center;
    color: var(--muted);
    font-size: 13px;
}

/* MOBILE RESPONSIVE DESIGN */

@media (max-width: 650px) {

    header .container {
        min-height: 65px;
    }

    .logo {
        font-size: 18px;
    }

    nav {
        gap: 14px;
    }

    nav a {
        font-size: 13px;
    }

    .hero {
        padding: 60px 18px 45px;
    }

    .hero h1 {
        font-size: 34px;
    }

    .hero p:last-child {
        font-size: 16px;
    }

    .calculator {
        padding: 22px 16px;
    }

    .calculator h2 {
        font-size: 22px;
    }

    .breeding-form {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .parent-box {
        padding: 18px;
    }

    .plus {
        text-align: center;
        font-size: 24px;
        line-height: 1;
    }

    .about {
        padding-top: 45px;
        padding-bottom: 40px;
    }

    .about h2 {
        font-size: 22px;
    }
}