/* ============================================
   DockSync — Header
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(17, 24, 39, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-base);
}

.header.scrolled {
    border-bottom-color: var(--color-border);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

/* ---------- Logo ---------- */
.header__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: var(--fs-xl);
    font-weight: 800;
    color: var(--color-text);
}

.header__logo-icon {
    font-size: 1.4em;
    color: var(--orange-500);
}

.header__logo-text {
    letter-spacing: -0.02em;
}

/* ---------- Navigation ---------- */
.header__nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.header__link {
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
    position: relative;
}

.header__link:hover {
    color: var(--color-text);
}

.header__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--orange-500);
    transition: width var(--transition-base);
}

.header__link:hover::after {
    width: 100%;
}

/* ---------- Actions ---------- */
.header__actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ---------- Burger ---------- */
.header__burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.header__burger span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: transform var(--transition-fast),
                opacity var(--transition-fast);
}

.header__burger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.header__burger.active span:nth-child(2) {
    opacity: 0;
}

.header__burger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Mobile Nav ---------- */
.mobile-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    z-index: 999;
    visibility: hidden;
    opacity: 0;
    transition: visibility var(--transition-base),
                opacity var(--transition-base);
}

.mobile-nav.open {
    visibility: visible;
    opacity: 1;
}

.mobile-nav__overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.6);
}

.mobile-nav__content {
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    max-width: 85vw;
    height: 100%;
    background-color: var(--color-bg-alt);
    padding: 80px 32px 32px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    transform: translateX(100%);
    transition: transform var(--transition-base);
}

.mobile-nav.open .mobile-nav__content {
    transform: translateX(0);
}

.mobile-nav__link {
    font-size: var(--fs-lg);
    font-weight: 500;
    color: var(--color-text);
    padding: 8px 0;
    border-bottom: 1px solid var(--color-border);
}

.mobile-nav__btn {
    text-align: center;
    margin-top: 8px;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .header__nav,
    .header__actions {
        display: none;
    }

    .header__burger {
        display: flex;
    }
}