:root {
    --color-primary: #4f46e5;
    --color-primary-light: #6366f1;
    --color-accent: #818cf8;
    --color-background: #f5f7fa;
    --color-text: #333;
    --color-text-secondary: #555;
    --color-card-bg: #fff;
    --color-button-bg: var(--color-primary);
    --color-button-bg-hover: var(--color-primary-light);
    --color-hero-text: var(--color-card-bg);
    --color-progress-bg: #e0e7ff;
    --color-footer-bg: #1f2937;
    --primary: #4f46e5;
    --primary-light: #6366f1;
    --bg-light: #f5f7fa;
    --text-dark: #222;
    --text-muted: #555;
    --text-gray: #555;
    --accent: #ffc107;
    --bg-card: #ffffff;
}

@font-face {
    font-family: 'Inter';
    src: url('/assets/fonts/Inter/Inter-VariableFont_opsz,wght.ttf') format('truetype');
    font-weight: 100 900;
    font-style: normal;
}

@font-face {
    font-family: 'Inter';
    src: url('/assets/fonts/Inter/Inter-Italic-VariableFont_opsz,wght.ttf') format('truetype');
    font-weight: 100 900;
    font-style: italic;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

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


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

header {
    background: linear-gradient(to right, var(--color-primary), var(--color-accent));
    color: var(--color-hero-text);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    border-bottom-style: solid;
    border-width: 2px;
    border-color: var(--color-accent);
}

.nav-cont {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
}

@media (min-width: 200px) {
    header {
        padding: 15px 25px;
        align-content: center;
        align-items: unset !important;
    }

    .nav-cont {
        gap: 0px 18px;
        width: 100%;
        justify-content: center;
    }
}

@media (min-width: 450px) {
}

@media (min-width: 768px) {
    header {
        padding: 20px 40px;
        align-items: center !important;
    }

    .nav-cont {
        gap: 0px 22px;
        width: auto;
        justify-content: unset;
    }
}

@media (min-width: 1800px) {
    header {
        justify-content: space-around;
    }
}

header h1 {
    font-size: 1.8rem;
}

nav a {
    font-weight: 600;
    transition: color 0.3s;
}

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

.hero h1 {
    text-align: center;
}

.hero {
    padding-top: 20px;
}

    .hero p {
        padding-left: 20px;
        padding-right: 20px;
    }

@media (min-width: 200px) {
    .hero {
        padding-bottom: 25px;
        padding-left: 10px;
        padding-right: 10px;
        background: linear-gradient(to right, var(--color-primary), var(--color-accent));
        color: var(--color-hero-text);
        display: flex;
        flex-direction: column;
        align-items: center;
    }

        .hero h1 {
            font-size: 1.7rem;
            margin-bottom: 20px;
            line-height: 35px;
        }

        .hero p {
            font-size: 1.0rem;
            margin-bottom: 0;
            max-width: 850px;
        }

        .hero input[type=button] {
            background-color: var(--color-hero-text);
            color: var(--color-primary);
            padding: 12px 30px;
            font-size: 1rem;
            font-weight: 600;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .hero button:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
        }
}

@media (min-width: 400px) {
    .hero {
        padding-bottom: 25px;
        padding-left: 25px;
        padding-right: 25px;
        background: linear-gradient(to right, var(--color-primary), var(--color-accent));
        color: var(--color-hero-text);
        display: flex;
        flex-direction: column;
        align-items: center;
    }
}

@media (min-width: 768px) {
    .hero {
        padding-bottom: 25px;
        padding-left: 5px;
        padding-right: 5px;
        background: linear-gradient(to right, var(--color-primary), var(--color-accent));
        color: var(--color-hero-text);
        display: flex;
        flex-direction: column;
        align-items: center;
    }

        .hero h1 {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }

        .hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            max-width: 850px;
        }

        .hero input[type=button] {
            background-color: var(--color-hero-text);
            color: var(--color-primary);
            padding: 12px 30px;
            font-size: 1rem;
            font-weight: 600;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .hero button:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
        }
}


.hero h1 {
    max-width: 850px;
}

.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 200px) {
    .cards-container {
        padding: 15px;
    }
}

@media (min-width: 768px) {
    .cards-container {
        padding: 40px;
    }
}

.card {
    background-color: var(--color-card-bg);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.2s, box-shadow 0.2s;
}

    .card:hover {
        transform: translateY(-5px);
        box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
    }

    .card h3 {
        font-size: 1.3rem;
        margin-bottom: 10px;
        color: var(--color-primary);
    }

    .card p {
        margin-bottom: 15px;
        font-size: 0.95rem;
        color: var(--color-text-secondary);
    }

    .card input[type=button] {
        align-self: flex-start;
        background-color: var(--color-button-bg);
        color: var(--color-hero-text);
        border: none;
        padding: 10px 20px;
        font-weight: 600;
        border-radius: 6px;
        cursor: pointer;
        transition: background-color 0.3s;
    }

    .card button:hover {
        background-color: var(--color-button-bg-hover);
    }


.progress {
    background-color: var(--color-progress-bg);
    border-radius: 8px;
    overflow: hidden;
    height: 12px;
    margin-bottom: 15px;
}

.about-project {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
    padding: 50px 20px;
    text-align: center;
}

    .about-project h3 {
        font-size: 2rem;
        margin-bottom: 20px;
    }

    .about-project p {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 15px;
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
    }

@media (max-width: 768px) {
    .about-project {
        padding: 30px 15px;
    }

        .about-project h3 {
            font-size: 1.5rem;
        }

        .about-project p {
            font-size: 0.95rem;
        }
}

footer {
    background-color: var(--color-footer-bg);
    color: var(--color-hero-text);
    text-align: center;
    padding: 20px;
    padding-top: 35px;
}

    footer a {
        color: var(--color-accent);
        margin: 0 10px;
        transition: color 0.3s;
    }

        footer a:hover {
            color: var(--color-hero-text);
        }

@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: flex-start;
    }

    nav a {
        margin-left: 0;
        margin-top: 5px;
    }
}

@media (min-width: 200px) {

    .trainer {
        width: 100%;
    }
}

@media (min-width: 768px) {
    .trainer {
        width: 75%;
    }
}

@media (min-width: 1800px) {

    .trainer {
        width: 45%;
    }
}

.trainer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    align-content: center;
    flex-wrap: wrap;
    margin-bottom: 50px;
}