/* Preloader
   -------------------------------- */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    pointer-events: none;
}

.preloader__top,
.preloader__bottom {
    position: absolute;
    left: 0;
    width: 100%;
    height: 50%;
    background-color: var(--color-dark);
}

.preloader__top {
    top: 0;
}

.preloader__bottom {
    bottom: 0;
}

.preloader__content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    z-index: 10000;
}

.preloader__logo {
    font-size: clamp(2rem, 5vw, 3rem);
    color: #fff;
}

.preloader__counter {
    font-family: var(--font-body);
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 300;
    color: #fff;
    font-variant-numeric: tabular-nums;
}

.preloader__progress {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    right: 2rem;
    height: 1px;
    background-color: rgba(255, 255, 255, 0.2);
    z-index: 10000;
}

.preloader__progress-bar {
    height: 100%;
    width: 0%;
    background-color: #fff;
}

/* Page Transitions
   -------------------------------- */
.page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 8000;
    pointer-events: none;
}

.page-transition__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-dark);
    opacity: 0;
    visibility: hidden;
}

.page-transition__overlay.is-visible {
    opacity: 1;
    visibility: visible;
}

/* Navigation
   -------------------------------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    z-index: 300;
    transition: background-color 0.4s ease, padding 0.4s ease;
}

.nav__logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: #fff;
    text-decoration: none;
    transition: color 0.4s ease;
}

.nav__toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-end;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 300;
    width: 44px;
    height: 44px;
}

.nav__toggle-line {
    display: block;
    width: 24px;
    height: 2px;
    background-color: #fff;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

.nav__toggle-line:last-child {
    width: 16px;
}

/* Hamburger → X Animation */
.nav__toggle.is-active .nav__toggle-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.nav__toggle.is-active .nav__toggle-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav__toggle.is-active .nav__toggle-line:nth-child(3) {
    width: 24px;
    transform: translateY(-8px) rotate(-45deg);
}

/* Nav Dark Mode (for light backgrounds) */
.nav--dark {
    background-color: rgba(250, 250, 249, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1rem 2rem;
}

.nav--dark .nav__logo,
.nav--dark .logo__regular,
.nav--dark .logo__italic {
    color: var(--color-dark);
}

.nav--dark .nav__toggle-line {
    background-color: var(--color-dark);
}

/* Nav when menu is open (override dark mode) */
.nav.menu-open {
    background-color: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    padding: 1.5rem 2rem;
}

.nav--dark.menu-open .nav__toggle-line {
    background-color: #fff;
}

.nav--dark.menu-open .nav__logo,
.nav--dark.menu-open .logo__regular,
.nav--dark.menu-open .logo__italic {
    color: #fff;
}

/* Full Screen Menu
   -------------------------------- */
.menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-dark);
    z-index: 200;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding-left: 10%;
    clip-path: inset(0 0 100% 0);
}

.menu__list {
    list-style: none;
    text-align: left;
}

.menu__link {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 300;
    color: #fff;
    text-decoration: none;
    display: block;
    padding: 0.5rem 0;
    transition: opacity 0.4s ease;
}

/* Dim effect - only when menu is ready */
.menu__list.is-ready:hover .menu__link {
    opacity: 0.3;
}

.menu__list.is-ready .menu__link:hover {
    opacity: 1;
}

.menu__social {
    position: absolute;
    bottom: 3rem;
    left: 10%;
    display: flex;
    gap: 1rem;
    align-items: center;
}

.menu__social-link {
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s ease;
}

.menu__social-link:hover {
    color: #fff;
}

.menu__social-divider {
    color: rgba(255, 255, 255, 0.3);
}