/* ============================================
   DIGITAL MASS — HEADER & NAVIGATION
   ============================================ */

/* --- Header --- */
.dm-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    padding: 1rem 0;
    transition: all var(--duration-base) var(--ease-out-quart);
}

.dm-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(10, 15, 22, 0.8);
    backdrop-filter: blur(20px) saturate(1.5);
    -webkit-backdrop-filter: blur(20px) saturate(1.5);
    border-bottom: 1px solid transparent;
    opacity: 0;
    transition: all var(--duration-base) var(--ease-out-quart);
}

.dm-header.is-scrolled::before {
    opacity: 1;
    border-bottom-color: var(--border-color);
}

.dm-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 2;
    padding: 0 var(--gutter);
    max-width: var(--container-wide);
    margin: 0 auto;
}

/* --- Logo --- */
.dm-header__logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    flex-shrink: 0;
}

.dm-header__logo-icon {
    height: 28px;
    width: auto;
}

.dm-header__logo-text {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--text-primary);
    text-transform: uppercase;
}

.dm-header__logo-text-img {
    height: 16px;
    width: auto;
}

.dm-footer__logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.dm-footer__logo-icon {
    height: 32px;
    width: auto;
}

.dm-footer__logo-text-img {
    height: 14px;
    width: auto;
}

/* --- Navigation --- */
.dm-nav {
    display: flex;
    align-items: center;
}

.dm-nav__list {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
}

.dm-nav__link {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.625rem 1.25rem;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    transition: all var(--duration-fast) var(--ease-out-quart);
    position: relative;
}

.dm-nav__link:hover,
.dm-nav__link.is-active {
    color: var(--text-primary);
    background: rgba(var(--dm-teal-rgb), 0.08);
}

/* --- Mega Dropdown --- */
.dm-nav__item--has-dropdown {
    position: relative;
}

.dm-nav__dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all var(--duration-base) var(--ease-out-expo);
    padding-top: 0.75rem;
}

.dm-nav__item--has-dropdown:hover .dm-nav__dropdown {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.dm-nav__dropdown-inner {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-lg);
    background: rgba(13, 21, 32, 0.95);
    backdrop-filter: blur(30px) saturate(1.5);
    -webkit-backdrop-filter: blur(30px) saturate(1.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    min-width: 600px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.dm-nav__dropdown-label {
    display: block;
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--dm-teal);
    margin-bottom: var(--space-sm);
    padding-bottom: var(--space-xs);
    border-bottom: 1px solid var(--border-color);
}

.dm-nav__dropdown-link {
    display: block;
    padding: 0.5rem 0;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    transition: all var(--duration-fast);
}

.dm-nav__dropdown-link:hover {
    color: var(--dm-teal);
    transform: translateX(4px);
}

.dm-nav__dropdown-feature {
    background: rgba(var(--dm-teal-rgb), 0.05);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    border: 1px solid rgba(var(--dm-teal-rgb), 0.1);
}

.dm-nav__dropdown-cta {
    display: block;
    margin-top: var(--space-sm);
}

.dm-nav__dropdown-cta-title {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--text-base);
    margin-bottom: 0.25rem;
}

.dm-nav__dropdown-cta-desc {
    display: block;
    font-size: var(--text-xs);
    color: var(--text-muted);
    line-height: 1.5;
}

/* --- Header Actions --- */
.dm-header__actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.dm-header__search {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--duration-fast);
}

.dm-header__search:hover {
    color: var(--dm-teal);
    background: rgba(var(--dm-teal-rgb), 0.1);
}

.dm-btn--nav {
    padding: 0.625rem 1.5rem;
    font-size: 0.8rem;
}

/* --- Burger --- */
.dm-header__burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.dm-header__burger-line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--duration-base) var(--ease-out-expo);
    transform-origin: center;
}

.dm-header__burger.is-active .dm-header__burger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.dm-header__burger.is-active .dm-header__burger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Mobile Menu --- */
.dm-mobile-menu {
    position: fixed;
    inset: 0;
    z-index: var(--z-overlay);
    background: rgba(10, 15, 22, 0.98);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all var(--duration-slow) var(--ease-out-expo);
}

.dm-mobile-menu.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.dm-mobile-menu__inner {
    text-align: center;
    width: 100%;
    padding: var(--gutter);
}

.dm-mobile-menu__nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.dm-mobile-menu__link {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.5rem;
    transition: color var(--duration-fast);
    opacity: 0;
    transform: translateY(30px);
}

.dm-mobile-menu.is-open .dm-mobile-menu__link {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s var(--ease-out-expo), transform 0.6s var(--ease-out-expo), color var(--duration-fast);
}

.dm-mobile-menu.is-open .dm-mobile-menu__link:nth-child(1) { transition-delay: 0.1s; }
.dm-mobile-menu.is-open .dm-mobile-menu__link:nth-child(2) { transition-delay: 0.15s; }
.dm-mobile-menu.is-open .dm-mobile-menu__link:nth-child(3) { transition-delay: 0.2s; }
.dm-mobile-menu.is-open .dm-mobile-menu__link:nth-child(4) { transition-delay: 0.25s; }
.dm-mobile-menu.is-open .dm-mobile-menu__link:nth-child(5) { transition-delay: 0.3s; }

.dm-mobile-menu__link:hover {
    color: var(--dm-teal);
}

.dm-mobile-menu__link--cta {
    color: var(--dm-teal);
}

.dm-mobile-menu__footer {
    margin-top: var(--space-2xl);
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    font-size: var(--text-sm);
    opacity: 0;
    transform: translateY(20px);
}

.dm-mobile-menu.is-open .dm-mobile-menu__footer {
    opacity: 1;
    transform: none;
    transition: all 0.6s var(--ease-out-expo) 0.4s;
}

.dm-mobile-menu__footer a {
    color: var(--text-muted);
}

/* --- Search Overlay --- */
.dm-search-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    background: rgba(10, 15, 22, 0.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all var(--duration-base) var(--ease-out-expo);
}

.dm-search-overlay.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.dm-search-overlay__form {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
    max-width: 700px;
}

.dm-search-overlay__input {
    flex: 1;
    background: none;
    border: none;
    border-bottom: 2px solid var(--border-color);
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    color: var(--text-primary);
    padding: 1rem 0;
    outline: none;
    transition: border-color var(--duration-fast);
}

.dm-search-overlay__input:focus {
    border-bottom-color: var(--dm-teal);
}

.dm-search-overlay__input::placeholder {
    color: var(--text-muted);
}

.dm-search-overlay__close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    transition: color var(--duration-fast);
}

.dm-search-overlay__close:hover {
    color: var(--dm-teal);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .dm-nav { display: none; }
    .dm-header__burger { display: flex; }
    .dm-btn--nav { display: none; }
}

/* --- Loader --- */
.dm-loader {
    position: fixed;
    inset: 0;
    z-index: var(--z-toast);
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 2rem;
    transition: opacity 0.5s var(--ease-out-expo) 0.2s, visibility 0.5s 0.2s;
}

.dm-loader__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.dm-loader__circle {
    animation: loader-draw 1.5s var(--ease-out-expo) forwards;
}

@keyframes loader-draw {
    to { stroke-dashoffset: 0; }
}

.dm-loader.is-loaded {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.5s var(--ease-out-expo) 0.2s, visibility 0.5s 0.2s;
}

/* --- CTA Section --- */
.dm-cta-section {
    padding: var(--space-3xl) 0;
    position: relative;
    overflow: hidden;
}

.dm-cta-section__orbs {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.dm-cta-section__title {
    font-size: var(--text-5xl);
    margin: var(--space-lg) 0;
}

.dm-cta-section__text {
    font-size: var(--text-lg);
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
    line-height: 1.7;
}

.dm-cta-section__actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- Footer --- */
.dm-footer {
    padding: 0 0 var(--space-lg);
    position: relative;
    overflow: hidden;
    background: var(--bg-secondary);
}

.dm-footer > .dm-divider--glow {
    margin-bottom: var(--space-2xl);
}

.dm-footer > .dm-container {
    padding-top: var(--space-xl);
}

.dm-footer__top {
    display: grid;
    grid-template-columns: 1.2fr 2fr;
    gap: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--border-color);
}

.dm-footer__about {
    color: var(--text-muted);
    font-size: var(--text-sm);
    margin-top: var(--space-md);
    max-width: 350px;
    line-height: 1.7;
}

.dm-footer__newsletter {
    margin-top: var(--space-xl);
}

.dm-footer__newsletter-title {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.dm-footer__nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.dm-footer__heading {
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--dm-teal);
    margin-bottom: var(--space-md);
}

.dm-footer__links {
    list-style: none;
}

.dm-footer__links li {
    margin-bottom: 0.5rem;
}

.dm-footer__links a {
    color: var(--text-muted);
    font-size: var(--text-sm);
    transition: color var(--duration-fast);
}

.dm-footer__links a:hover {
    color: var(--dm-teal);
}

.dm-footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-lg);
    flex-wrap: wrap;
    gap: var(--space-md);
}

.dm-footer__legal {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--text-xs);
    color: var(--text-muted);
    flex-wrap: wrap;
}

.dm-footer__legal a {
    color: var(--text-muted);
    font-size: var(--text-xs);
    transition: color 0.2s ease;
}

.dm-footer__legal a:hover {
    color: var(--dm-teal);
}

.dm-footer__legal-sep {
    color: var(--text-muted);
    opacity: 0.4;
}

.dm-footer__location {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.dm-footer__marquee {
    position: absolute;
    bottom: -30px;
    left: 0;
    right: 0;
    pointer-events: none;
    z-index: 0;
}

@media (max-width: 768px) {
    .dm-footer__top {
        grid-template-columns: 1fr;
    }
    .dm-footer__nav {
        grid-template-columns: 1fr 1fr;
    }
    .dm-footer__bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 640px) {
    .dm-cta-section__title {
        font-size: var(--text-3xl);
    }
    .dm-cta-section__actions {
        flex-direction: column;
        align-items: center;
    }
    .dm-cta-section__actions .dm-btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .dm-header__logo-icon {
        height: 22px;
    }
    .dm-header__logo-text-img {
        height: 11px;
    }
    .dm-header__logo {
        gap: 0.5rem;
    }
    .dm-footer__nav {
        grid-template-columns: 1fr;
    }
}