:root {
    --background: #eef2f5;
    --surface: rgba(255, 255, 255, 0.78);
    --surface-solid: #ffffff;

    --text: #182027;
    --muted: #69757d;
    --light-text: #8a959c;

    --border: #dce3e7;

    --accent: #3478f6;
    --accent-dark: #205fcf;

    --shadow: 0 20px 55px rgba(34, 49, 58, 0.09);
}


* {
    box-sizing: border-box;
}


html {
    scroll-behavior: smooth;
}


body {
    margin: 0;
    min-height: 100vh;

    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    color: var(--text);

    background:
        radial-gradient(
            circle at 15% 10%,
            rgba(52, 120, 246, 0.13),
            transparent 30%
        ),
        radial-gradient(
            circle at 85% 80%,
            rgba(75, 190, 166, 0.08),
            transparent 28%
        ),
        var(--background);
}


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


button,
input {
    font: inherit;
}


/* ------------------------------
   PAGE
------------------------------ */

.page {
    width: min(920px, calc(100% - 40px));
    min-height: 100vh;

    margin: auto;

    display: flex;
    flex-direction: column;
}


/* ------------------------------
   TOP BAR
------------------------------ */

.topbar {
    height: 86px;

    display: flex;
    align-items: center;
}


.brand {
    display: flex;
    align-items: center;
    gap: 11px;
}


.logo {
    width: 40px;
    height: 40px;

    display: grid;
    place-items: center;

    border-radius: 12px;

    color: white;

    font-size: 18px;
    font-weight: 800;

    background:
        linear-gradient(
            135deg,
            #3478f6,
            #5a95ff
        );

    box-shadow:
        0 10px 24px
        rgba(52, 120, 246, 0.23);
}


.brand-name {
    display: flex;
    align-items: baseline;
    gap: 6px;
}


.brand-name strong {
    font-size: 15px;
    letter-spacing: -0.02em;
}


.brand-name span {
    color: var(--accent);
    font-size: 13px;
    font-weight: 800;
}


/* ------------------------------
   HERO
------------------------------ */

.hero {
    flex: 1;

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

    text-align: center;

    padding: 70px 0 80px;
}


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

    padding: 8px 13px;

    border: 1px solid rgba(52, 120, 246, 0.16);
    border-radius: 999px;

    color: #567086;

    font-size: 12px;
    font-weight: 700;

    background:
        rgba(255, 255, 255, 0.55);
}


.status-dot {
    width: 7px;
    height: 7px;

    border-radius: 50%;

    background: #3cbc87;

    box-shadow:
        0 0 0 5px
        rgba(60, 188, 135, 0.11);
}


h1 {
    margin: 22px 0 14px;

    font-size: clamp(50px, 8vw, 86px);
    line-height: 0.95;

    letter-spacing: -0.06em;
}


h1 span {
    color: var(--accent);
}


.subtitle {
    max-width: 570px;

    margin: 0;

    color: var(--muted);

    font-size: 17px;
    line-height: 1.65;
}


/* ------------------------------
   BUTTON
------------------------------ */

.actions {
    margin-top: 28px;
}


.primary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;

    min-height: 50px;

    padding: 0 20px;

    border-radius: 14px;

    color: white;

    font-size: 14px;
    font-weight: 750;

    background:
        linear-gradient(
            135deg,
            var(--accent),
            #5a95ff
        );

    box-shadow:
        0 14px 30px
        rgba(52, 120, 246, 0.23);

    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}


.primary-btn:hover {
    transform: translateY(-2px);

    box-shadow:
        0 18px 35px
        rgba(52, 120, 246, 0.29);
}


.primary-btn span {
    font-size: 15px;
}


/* ------------------------------
   NOTIFY BOX
------------------------------ */

.notify-box {
    width: min(620px, 100%);

    margin-top: 48px;

    padding: 25px;

    border:
        1px solid
        rgba(174, 186, 193, 0.48);

    border-radius: 22px;

    background:
        var(--surface);

    box-shadow: var(--shadow);

    backdrop-filter: blur(15px);
}


.notify-title {
    font-size: 16px;
    font-weight: 800;
}


.notify-text {
    margin: 7px 0 18px;

    color: var(--muted);

    font-size: 13px;
    line-height: 1.55;
}


/* ------------------------------
   FORM
------------------------------ */

.input-group {
    display: flex;
    gap: 9px;
}


.input-group input {
    flex: 1;

    min-width: 0;

    height: 50px;

    padding: 0 15px;

    border:
        1px solid
        #d7e0e5;

    border-radius: 13px;

    color: var(--text);

    background:
        rgba(255, 255, 255, 0.82);

    outline: none;

    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease;
}


.input-group input:focus {
    border-color: rgba(52, 120, 246, 0.65);

    box-shadow:
        0 0 0 4px
        rgba(52, 120, 246, 0.10);
}


.input-group button {
    flex: 0 0 auto;

    height: 50px;

    padding: 0 18px;

    border: none;

    border-radius: 13px;

    color: white;

    font-size: 13px;
    font-weight: 750;

    background: var(--accent);

    cursor: pointer;

    transition:
        background 0.2s ease,
        transform 0.2s ease;
}


.input-group button:hover {
    background: var(--accent-dark);

    transform: translateY(-1px);
}


.form-message {
    min-height: 18px;

    margin:
        8px 2px
        0;

    font-size: 12px;
}


.privacy {
    margin-top: 4px;

    color: var(--light-text);

    font-size: 10px;
}


/* ------------------------------
   FOOTER
------------------------------ */

footer {
    display: flex;
    justify-content: space-between;

    padding: 22px 2px;

    color: var(--light-text);

    font-size: 10px;
}


/* ------------------------------
   MOBILE
------------------------------ */

@media (max-width: 620px) {

    .page {
        width: min(
            100% - 24px,
            920px
        );
    }


    .topbar {
        height: 72px;
    }


    .hero {
        padding:
            40px 0
            55px;
    }


    h1 {
        font-size:
            clamp(44px, 15vw, 66px);
    }


    .subtitle {
        font-size: 15px;
    }


    .notify-box {
        padding: 20px;

        margin-top: 38px;
    }


    .input-group {
        flex-direction: column;
    }


    .input-group input,
    .input-group button {
        width: 100%;
    }


    footer {
        flex-direction: column;
        gap: 6px;

        padding-bottom: 18px;
    }
}

/* ------------------------------
   HONEYPOT
------------------------------ */

.honeypot {
    position: absolute !important;
    left: -9999px !important;

    width: 1px !important;
    height: 1px !important;

    overflow: hidden !important;
}

.form-message.success {
    color: #16845b;
}


.form-message.error {
    color: #c44848;
}


.input-group button:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    transform: none;
}