/* Alapbeállítások és változók */
:root {
    --primary-color: #34495e;
    --secondary-color: #41a0a0;
    --background-color: #f4f7f6;
    --text-color: #333;
    --light-grey: #ecf0f1;
    --white: #ffffff;
    --font-family: 'Montserrat', sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* Navigáció */
header {
    background-color: var(--white);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 1rem 5%;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav .logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

nav ul li a {
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 400;
    transition: color 0.3s ease;
}

nav ul li a:hover, nav ul li a.active {
    color: var(--secondary-color);
}

/* Általános konténer és gombok */
.container {
    max-width: 960px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.btn {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn:hover {
    background-color: #388a8a;
    transform: translateY(-2px);
}

/* Kártya stílusok */
.calculator-card, .exercise-card, .affirmation-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    text-align: center;
    margin-top: 2rem;
}

h1, h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Főoldal specifikus */
.hero {
    text-align: center;
    padding: 2rem 0;
}

.form-group {
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

input[type="number"] {
    padding: 0.5rem;
    border-radius: 5px;
    border: 1px solid #ccc;
    width: 60px;
    text-align: center;
}

.result {
    margin-top: 1.5rem;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--secondary-color);
}

/* Gyakorlatok oldal: Légzőkör */
.breathing-circle-container {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 2rem auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.circle {
    width: 100%;
    height: 100%;
    background-color: var(--secondary-color);
    border-radius: 50%;
    transition: transform 4s ease-in-out, background-color 2s ease;
}

#breathing-text {
    position: absolute;
    color: var(--white);
    font-weight: 600;
    font-size: 1.2rem;
}

.circle.grow { transform: scale(1.5); }
.circle.shrink { transform: scale(1); }

/* Megerősítések oldal */
.affirmation-display {
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    margin: 1.5rem 0;
    background-color: var(--light-grey);
    border-radius: 5px;
}

blockquote {
    font-size: 1.3rem;
    font-style: italic;
    color: var(--primary-color);
}

/* Lábléc */
footer {
    text-align: center;
    padding: 2rem 0;
    margin-top: 2rem;
    color: #777;
    font-size: 0.9rem;
}

/* Reszponzivitás */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 1rem;
    }

    nav ul {
        gap: 1.5rem;
    }
}