/* ========== Reset.css ========== */
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
}

/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
    display: block;
}

body {
    line-height: 1;
}

ol, ul {
    list-style: none;
}

blockquote, q {
    quotes: none;
}

blockquote:before, blockquote:after,
q:before, q:after {
    content: '';
    content: none;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

button, input, optgroup, select, textarea {
    font-family: inherit;
    font-size: 100%;
    line-height: 1.15;
    margin: 0;
}
/* ========== END Reset ========== */

* {
    box-sizing: border-box;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f5f5f5;
    line-height: 1.5;
    background-image: url("../images/bg.png");
    background-size: cover;
    background-position: center;
    min-height: 100vh;
}

.header {
    background-color: #fff;
    padding: 10px;
    text-align: center;
    display: none;
}

.header .logo {
    height: 40px;
    width: auto;
    display: block;
    margin: 0 auto;
}

.container {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 20px;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========== Left ========== */
.presentation-section {
    display: grid;
    /*place-items: center;*/
    position: relative;
    overflow: hidden;
    padding-top: 50px;
}

.presentation-content img {
    width: 99%;
    width: calc(100% - 8px);
    /*border-radius: 32px;*/
    box-shadow: 4px 4px 4px rgba(0, 0, 0, 0.5);
    display: block;
    
}

.desktopImg {
    display: block;
}

.mobileImg {
    display: none;
}

.link-btn {
    display: block;
    padding: 10px 30px;
    background-color: #d32f2f;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    text-decoration: none;
    margin: 15px auto 0;
    width: 180px;

}

.link-btn:hover {
    background-color: #b71c1c;
    transform: translateY(-2px);
    box-shadow: 0 3px 10px rgba(211, 47, 47, 0.2);
}

/* ========== Right ========== */
.login-section {
    display: grid;
    /*place-items: center;*/
    padding-top: 50px;
}

.login-container {
    aspect-ratio: 16 / 27;
    background-color: rgba(0, 0, 0, 0.15);
    border-radius: 32px;
    padding: 20px;
    width: 100%;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(5px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.8);
    margin-bottom: 2px;
    overflow: hidden;
}

.login-title {
    font-size: 26px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 26px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.form-group {
    margin-bottom: 22px;
}

.form-group input {
    width: 100%;
    padding: 14px 10px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    background-color: #fff;
    color: #333;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(211, 47, 47, 0.15);
}

.form-group input::placeholder {
    color: #aaa;
}

.required-notice {
    font-size: 14px;
    color: #fff;
    margin-bottom: 22px;
    text-align: left;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.submit-btn {
    display: block;
    padding: 10px 30px;
    background-color: #d32f2f;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 0 auto 15px;
}

.submit-btn:hover {
    background-color: #b71c1c;
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(211, 47, 47, 0.3);
}

.submit-btn:active {
    transform: translateY(-1px);
}

.download-section {
    padding-top: 22px;
    border-top: 2px solid rgba(255, 255, 255, 0.3);
}

.download-section h3 {
    color: #fff;
    font-size: 26px;
    margin-bottom: 26px;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.download-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.download-btn {
    padding: 10px 0;
    background-color: #d32f2f;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.download-btn:hover {
    background-color: #b71c1c;
    transform: translateY(-2px);
    box-shadow: 0 3px 10px rgba(211, 47, 47, 0.2);
}

.footer {
    color: #999;
    padding: 40px;
    font-size: 16px;
    margin-top: 50px;
}

.irasia{
    color: #3fb5b0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.irasia:hover {
    color: #999;
}

@media (max-width: 1400px) {
    .login-title {
        font-size: 20px;
        margin-bottom: 20px;
    }
    .form-group {
        margin-bottom: 15px;
    }
    .form-group input {
        font-size: 14px;
    }
    .required-notice {
        font-size: 12px;
        margin-bottom: 15px;
    }
    .submit-btn {
        padding: 10px 30px;
        font-size: 14px;
        margin: 0 auto 10px;
    }

    .download-section h3 {
        font-size: 20px;
        margin-bottom: 20px;
    }
    .download-btn {
        padding: 10px 0;
        font-size: 14px;
    }
}

@media (max-width: 1100px) {
    .header {
        display: block;
    }
    .container {
        min-height: none;
        display: block;
        padding: 0;
    }
    .presentation-section{
        display: block;
        padding-top: 0;
    }
    .presentation-content img {
        border-radius: 0;
        border-top: 1px solid rgba(0, 0, 0, 0.3);
        box-shadow: none;
        width: 100%;
    }
    .desktopImg {
        display: none;
    }
    .mobileImg {
        display: block;
    }
    .login-section {
        display: block;
        padding: 20px;
    }
    .login-container {
        aspect-ratio: auto;
        display: block;
        padding: 40px 20px;

    }
    .footer {
        position: static;
        text-align: center;
    }

}