/* ============================================================
   COSMOPOLIS — LUXURY LOGIN (FULL FIXED & RESPONSIVE VERSION)
   ============================================================ */

:root {
    --gold: #B08D2E;
    --gold-light: #D6C27A;
    --gold-deep: #8C7325;
    --black-deep: #030406;
}

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

/* FULLSCREEN BODY */
body {
    width: 100%;
    height: 100vh;
    overflow: hidden;
    background: #000;
    font-family: 'Montserrat', sans-serif;
    color: #fff;
    -webkit-text-size-adjust: 100%;
}

/* LIQUID GOLD BACKGROUND — ALWAYS COVERS THE SCREEN */
.vault-bg {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    background-image: url("img/economia4.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: blur(3px);
    opacity: 0.20;
    z-index: -3;
}

/* GOLD PARTICLES */
.gold-particles {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(176,141,46,0.20), transparent 50%),
        radial-gradient(circle at 80% 60%, rgba(176,141,46,0.16), transparent 55%),
        radial-gradient(circle at 50% 80%, rgba(176,141,46,0.22), transparent 55%);
    animation: floatGold 12s ease-in-out infinite alternate;
    opacity: 0.4;
    z-index: -2;
}

@keyframes floatGold {
    0% { transform: translate3d(0,0,0); }
    100% { transform: translate3d(-30px, -20px, 0); }
}

/* MAIN CONTAINER */
.vault-container {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 520px;
    transform: translate(-50%, -50%);
    text-align: center;
}

/* LOGO */
.vault-logo {
    font-family: 'Playfair Display SC', serif;
    font-size: 3.6rem;
    letter-spacing: 8px;
    white-space: nowrap;
    background: linear-gradient(90deg, var(--gold-deep), var(--gold), var(--gold-light), var(--gold));
    -webkit-background-clip: text;
    color: transparent;
    text-shadow: 0 0 18px rgba(176,141,46,0.45);
    margin-bottom: 6px;
    animation: fadeInUp 1.2s ease forwards;
    opacity: 0;
}

/* SUBTITLE */
.vault-sub {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.25rem;
    opacity: 0.85;
    animation: fadeInUp 1.5s ease forwards;
    opacity: 0;
}

/* FORM */
.vault-form {
    margin-top: 35px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    animation: fadeInUp 1.7s ease forwards;
    opacity: 0;
}

.vault-form input {
    padding: 16px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(176,141,46,0.45);
    border-radius: 10px;
    color: #fff;
    font-size: 1rem;
    letter-spacing: 1px;
    transition: 0.3s;
}

.vault-form input:focus {
    outline: none;
    border-color: var(--gold-light);
    box-shadow: 0 0 12px rgba(176,141,46,0.45);
}

/* BUTTON */
.vault-btn {
    padding: 16px;
    background: linear-gradient(135deg, var(--gold-deep), var(--gold), var(--gold-light));
    border: none;
    border-radius: 14px;
    font-size: 1.15rem;
    color: #000;
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s;
    text-transform: uppercase;
}

.vault-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 26px rgba(176,141,46,0.6);
}

/* ERROR MESSAGE */
.vault-error {
    margin-top: 10px;
    color: #ffb1b1;
    display: none;
    font-size: 0.9rem;
    text-shadow: 0 0 6px #b60000;
}

/* ANIMATIONS */
@keyframes fadeInUp {
    0% { opacity: 0; transform: translateY(18px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* ===========================================
      RESPONSIVE FIXES — MOBILE & TABLETS
   =========================================== */

/* ---- MOBILE (up to 480px) ---- */
@media (max-width: 480px) {

    body {
        overflow: hidden;
    }

    .vault-container {
        width: 90% !important;
    }

    .vault-logo {
        font-size: 2.4rem !important;
        letter-spacing: 4px !important;
    }

    .vault-sub {
        font-size: 1rem !important;
    }

    .vault-form input {
        padding: 14px !important;
        font-size: 1rem;
    }

    .vault-btn {
        padding: 14px !important;
        font-size: 1.05rem !important;
    }
}

/* ---- TABLETS (481–768px) ---- */
@media (max-width: 768px) {
    .vault-container {
        width: 75%;
    }

    .vault-logo {
        font-size: 3rem;
    }
}