/* ===================
   NAV
   =================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9990;
    padding: 18px 32px;
    transition: all 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}
.nav--stuck {
    background: rgba(243, 244, 248, 0.8);
    backdrop-filter: blur(24px) saturate(1.5);
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    padding: 12px 32px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.03);
}
.nav__inner {
    max-width: 1240px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav__logo {
    display: flex;
    align-items: center;
    height: 20px;
}
.nav__logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: opacity 0.25s;
}
.nav__logo-link:hover {
    opacity: 0.75;
}
.nav__logo-img {
    height: 20px;
    width: auto;
    display: block;
}

.nav__links {
    display: flex;
    gap: 28px;
    align-items: center;
}
.nav__link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    position: relative;
    padding: 4px 0;
    transition: color 0.25s;
}
.nav__link::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--blue);
    border-radius: 2px;
    transition: width 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.nav__link:hover,
.nav__link--active {
    color: var(--text-primary);
}
.nav__link:hover::after,
.nav__link--active::after {
    width: 100%;
}

.nav__cta {
    padding: 10px 24px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    background: var(--dark);
    color: #fff;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.nav__cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.15);
}

/* burger */
.nav__burger {
    display: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
}
.nav__burger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: all 0.3s;
}

/* mobile menu */
.mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(243, 244, 248, 0.97);
    backdrop-filter: blur(24px);
    z-index: 9998;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    opacity: 0;
    transition: opacity 0.3s, transform 0.3s;
    pointer-events: none;
    transform: scale(90%);
}
.mobile-menu--open {
    pointer-events: all;
    opacity: 1;
    transform: none;
}
.mobile-menu a {
    font-family: "Unbounded", sans-serif;
    font-size: 22px;
    font-weight: 600;
    color: var(--dark);
    text-decoration: none;
}
.mobile-menu__close {
    position: absolute;
    top: 20px;
    right: 24px;
    font-size: 36px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--dark);
    line-height: 1;
}

@media (max-width: 950px) {
    .nav__links {
        display: none;
    }
    .nav__burger {
        display: flex;
    }

    .mobile-menu {
        display: flex;
    }
}
@media (max-width: 600px) {
    .nav {
        padding: 10px 16px;
    }
}