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

.navbar {

    position: fixed;

    top: 0;
    left: 0;

    width: 100%;

    z-index: 9999;

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

    padding: 25px 40px;

    background: rgba(0, 0, 0, 0.02);

    backdrop-filter: blur(24px) saturate(120%);
    -webkit-backdrop-filter: blur(24px) saturate(120%);

    mask-image: linear-gradient(
        to bottom,
        black 60%,
        transparent 100%
    );

    -webkit-mask-image: linear-gradient(
        to bottom,
        black 60%,
        transparent 100%
    );

    transition:
        transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1),
        opacity var(--transition-medium);
}

.navbar.hidden {
    transform: translateY(-100%);
    opacity: 0;
}

/* =========================
LOGO
========================= */

.nav-logo {

    display: flex;
    align-items: center;

    flex-shrink: 0;
}

.nav-logo img {

    height: 44px;
    width: auto;

    max-width: 140px;

    object-fit: contain;

    opacity: 0.9;

    transition: opacity var(--transition-fast);
}

.nav-logo img:hover {
    opacity: 1;
}

/* =========================
NAVIGATION
========================= */

.nav-links {

    display: flex;

    align-items: center;

    gap: 50px;
}

.nav-links a {

    font-family: var(--font-mono);

    color: var(--text);

    font-size: 0.8rem;
    font-weight: 500;

    letter-spacing: 0.15em;

    text-transform: uppercase;

    opacity: 0.9;

    transition: opacity var(--transition-fast);
}

.nav-links a:hover {
    opacity: 0.6;
}

/* =========================
BUTTONS
========================= */

.btn {

    display: inline-flex;

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

    padding: 14px 28px;

    font-family: var(--font-mono);

    font-size: 0.8rem;
    font-weight: 500;

    letter-spacing: 0.12em;

    text-transform: uppercase;

    transition: all var(--transition-fast);
}

.btn-primary {

    background: white;

    color: black;
}

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

.btn-secondary {

    border: 1px solid rgba(255,255,255,0.8);

    color: white;
}

.btn-secondary:hover {

    background: white;

    color: black;
}

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

.footer {

    background: rgba(14, 14, 14, 0.8);

    border-top: 1px solid rgba(255,255,255,0.08);

    padding: 70px 20px 40px;

    display: flex;
    flex-direction: column;

    align-items: center;
    text-align: center;
}

/* =========================
MAILING LIST
========================= */

.footer-signup {

    width: min(900px, 85vw);

    margin-bottom: 45px;
}

.signup-form {

    display: flex;
    align-items: center;

    gap: 16px;
}

.signup-form input {

    flex: 1;

    background: transparent;
    border: none;

    border-bottom: 1px solid rgba(255,255,255,0.18);

    padding: 0 0 12px;

    color: white;

    font-family: var(--font-mono);

    font-size: 0.72rem;
    font-weight: 500;

    letter-spacing: 0.32em;
    text-transform: uppercase;

    outline: none;

    transition:
        border-color 0.25s ease,
        opacity 0.25s ease;
}

.signup-form input:focus {

    border-color: rgba(255,255,255,0.6);
}

.signup-form input::placeholder {

    color: rgba(255,255,255,0.55);

    letter-spacing: 0.32em;
}

.signup-form button {

    background: transparent;

    border: 1px solid rgba(255,255,255,0.25);

    color: rgba(255,255,255,0.75);

    cursor: pointer;

    font-family: var(--font-mono);

    font-size: 0.68rem;
    font-weight: 600;

    letter-spacing: 0.28em;
    text-transform: uppercase;

    padding: 12px 18px;

    min-width: 90px;

    transition:
        background 0.25s ease,
        color 0.25s ease,
        border-color 0.25s ease,
        transform 0.25s ease;
}

.signup-form button:hover {

    background: rgba(255,255,255,0.95);

    color: black;

    border-color: white;

    transform: translateY(-1px);
}

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

.footer-links,
.footer-professional {

    display: flex;

    justify-content: center;

    flex-wrap: wrap;

    gap: 40px;

    margin-bottom: 30px;
}

.footer a {

    font-family: var(--font-mono);

    color: var(--text);

    font-size: 0.75rem;
    font-weight: 500;

    letter-spacing: 0.15em;

    text-transform: uppercase;

    opacity: 0.7;

    transition: opacity var(--transition-fast);
}

.footer a:hover {
    opacity: 1;
}

.footer-copyright {

    font-family: var(--font-mono);

    margin-top: 20px;

    font-size: 0.7rem;

    letter-spacing: 0.25em;

    opacity: 0.4;
}

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

@media (max-width: 768px) {

    .navbar {
        padding: 22px 24px;
    }

    .nav-links {
        gap: 24px;
    }

    .nav-links a {
        font-size: 0.65rem;
    }

    .footer-signup {
        width: 100%;
        margin-bottom: 40px;
    }

    .signup-form {

        flex-direction: column;
        align-items: stretch;

        gap: 18px;
    }

    .signup-form button {

        width: 100%;

        padding-bottom: 12px;
    }

    .footer-links,
    .footer-professional {

        flex-direction: column;

        gap: 18px;
    }
}