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

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #111111;
    color: #ffffff;
}


/* =========================
   NAVBAR
========================= */

.navbar {
    height: 64px;
    background: #191919;
    border-bottom: 1px solid #303030;
    position: relative;
    z-index: 10;
}

.nav-container {
    height: 100%;
    max-width: 1400px;
    margin: auto;

    display: flex;
    align-items: center;
    padding: 0 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 9px;

    text-decoration: none;
    color: white;

    font-size: 19px;
    font-weight: 700;
}

.brand img {
    width: 34px;
    height: 34px;
    object-fit: contain;
}

.nav-links {
    display: flex;
    gap: 30px;
    margin-left: 45px;
}

.nav-links a {
    color: #d4d4d4;
    text-decoration: none;
    font-size: 14px;
}

.nav-links a:hover {
    color: white;
}

.login-area {
    margin-left: auto;

    display: flex;
    align-items: center;
    gap: 8px;
}

.login-area input {
    width: 150px;
    height: 36px;

    background: #242424;
    border: 1px solid #444;
    border-radius: 3px;

    padding: 0 11px;

    color: white;
    outline: none;
}

.login-area input:focus {
    border-color: #777;
}

.login-area button {
    height: 36px;

    padding: 0 17px;

    background: #ffffff;
    color: #111;

    border: none;
    border-radius: 3px;

    font-weight: bold;
    cursor: pointer;
}

.login-area button:hover {
    background: #dddddd;
}


/* =========================
   HERO
========================= */

.hero {
    min-height: 620px;

    position: relative;

    display: flex;
    justify-content: center;
    align-items: center;

    background:
        radial-gradient(
            circle at center,
            #303030 0%,
            #181818 45%,
            #0e0e0e 100%
        );
}

.hero-overlay {
    position: absolute;
    inset: 0;

    background:
        linear-gradient(
            90deg,
            rgba(0,0,0,.25),
            transparent,
            rgba(0,0,0,.25)
        );
}

.hero-content {
    position: relative;
    z-index: 2;

    width: 100%;
    max-width: 1050px;

    display: flex;
    align-items: center;
    justify-content: center;

    gap: 100px;

    padding: 60px 25px;
}


/* =========================
   BRANDING
========================= */

.branding {
    text-align: center;
    width: 420px;
}

.main-logo {
    width: 145px;
    height: 145px;

    object-fit: contain;

    margin-bottom: 10px;
}

.branding h1 {
    font-size: 48px;
    letter-spacing: 5px;
    font-weight: 800;
}

.branding p {
    margin-top: 8px;

    color: #bcbcbc;

    font-size: 17px;
}


/* =========================
   SIGNUP
========================= */

.signup-panel {
    width: 380px;

    background: rgba(30, 30, 30, .97);

    border: 1px solid #3b3b3b;
    border-radius: 5px;

    padding: 30px;

    box-shadow: 0 12px 35px rgba(0,0,0,.4);
}

.signup-panel h2 {
    text-align: center;

    font-size: 25px;
    margin-bottom: 25px;
}

.signup-panel input {
    width: 100%;
    height: 45px;

    margin-bottom: 12px;

    padding: 0 13px;

    background: #151515;

    border: 1px solid #464646;
    border-radius: 3px;

    color: white;
    font-size: 14px;

    outline: none;
}

.signup-panel input:focus {
    border-color: #888;
}


/* Birthday */

.birthday-section {
    margin-top: 7px;
    margin-bottom: 17px;
}

.birthday-section label {
    display: block;

    color: #c9c9c9;

    font-size: 13px;

    margin-bottom: 7px;
}

.birthday-inputs {
    display: flex;
    gap: 7px;
}

.birthday-inputs select {
    flex: 1;

    height: 42px;

    padding: 0 8px;

    background: #151515;

    border: 1px solid #464646;
    border-radius: 3px;

    color: #ccc;

    outline: none;
}


/* Signup button */

.signup-button {
    width: 100%;
    height: 45px;

    border: none;
    border-radius: 3px;

    background: #ffffff;
    color: #111111;

    font-size: 15px;
    font-weight: bold;

    cursor: pointer;
}

.signup-button:hover {
    background: #dddddd;
}

#message {
    text-align: center;
    margin-top: 12px;
    font-size: 13px;
}

.terms {
    margin-top: 18px;

    text-align: center;

    color: #888;
    font-size: 11px;
    line-height: 17px;
}

.terms a {
    color: #bbb;
}


/* =========================
   ABOUT
========================= */

.about-section,
.platform-section {
    padding: 90px 25px;

    background: #171717;

    text-align: center;
}

.platform-section {
    background: #101010;
}

.section-content {
    max-width: 750px;
    margin: auto;
}

.section-content h2 {
    font-size: 28px;
    letter-spacing: 2px;

    margin-bottom: 20px;
}

.section-content > p {
    color: #a7a7a7;

    line-height: 1.7;
    font-size: 15px;
}


/* =========================
   PLATFORM CARD
========================= */

.platform-card {
    width: 270px;

    margin: 35px auto 0;

    padding: 22px;

    background: #1c1c1c;

    border: 1px solid #363636;
    border-radius: 5px;

    display: flex;
    align-items: center;

    gap: 15px;

    text-align: left;
}

.platform-icon {
    width: 45px;
    height: 45px;

    display: flex;
    align-items: center;
    justify-content: center;

    background: #292929;

    border-radius: 5px;

    font-size: 21px;
}

.platform-card strong {
    font-size: 15px;
}

.platform-card p {
    margin-top: 4px;

    color: #777;
    font-size: 12px;
}


/* =========================
   FOOTER
========================= */

footer {
    padding: 45px 25px;

    background: #0b0b0b;

    text-align: center;

    border-top: 1px solid #222;
}

.footer-brand {
    display: flex;
    justify-content: center;
    align-items: center;

    gap: 8px;

    margin-bottom: 20px;
}

.footer-brand img {
    width: 30px;
    height: 30px;
    object-fit: contain;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 25px;

    margin-bottom: 20px;
}

.footer-links a {
    color: #858585;
    text-decoration: none;

    font-size: 12px;
}

.footer-links a:hover {
    color: white;
}

footer > p {
    color: #555;
    font-size: 11px;
}


/* =========================
   MOBILE
========================= */

@media (max-width: 850px) {

    .nav-links {
        display: none;
    }

    .login-area input {
        width: 110px;
    }

    .hero-content {
        flex-direction: column;
        gap: 40px;
    }

    .branding {
        width: auto;
    }

}

@media (max-width: 500px) {

    .navbar {
        height: auto;
    }

    .nav-container {
        padding: 12px;
        flex-wrap: wrap;
        gap: 12px;
    }

    .login-area {
        width: 100%;
    }

    .login-area input {
        flex: 1;
        width: auto;
    }

    .signup-panel {
        width: 100%;
        max-width: 380px;
    }

    .hero {
        min-height: auto;
    }

    .branding h1 {
        font-size: 38px;
    }

    .main-logo {
        width: 110px;
        height: 110px;
    }

    .footer-links {
        flex-wrap: wrap;
    }
}