/**
 * Dr. Tiber Menteşe - Header & Mega Menü Stilleri
 */

/* =====================================================
   ANA HEADER
   ===================================================== */

.dtm-header {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background-color: var(--color-navy);
    height: var(--header-height);
    transition: box-shadow var(--duration-normal) var(--ease-default),
	background-color var(--duration-normal) var(--ease-default);
	align-content:center;
}

.dtm-header.is-scrolled {
    box-shadow: 0 4px 24px rgba(6, 15, 28, 0.35);
}

.dtm-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: var(--space-8);
}

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

.dtm-header__logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    text-decoration: none;
}

.dtm-header__logo img {
    height: 52px;
    width: auto;
    object-fit: contain;
    display: block;
}

/* =====================================================
   DESKTOP NAVİGASYON
   ===================================================== */

.dtm-nav {
    display: flex;
    align-items: center;
    flex: 1;
    justify-content: center;
}

.dtm-nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    list-style: none;
    margin: 0;
    padding: 0;
}

.dtm-nav__item {
    position: relative;
}

.dtm-nav__link {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-white-80);
    text-decoration: none;
    border-radius: var(--radius-md);
    letter-spacing: var(--tracking-normal);
    transition:
        color var(--duration-normal) var(--ease-default),
        background-color var(--duration-normal) var(--ease-default);
    white-space: nowrap;
}

.dtm-nav__link:hover,
.dtm-nav__item.current-menu-item > .dtm-nav__link {
    color: var(--color-white);
    background-color: rgba(255, 255, 255, 0.08);
}

.dtm-nav__item.current-menu-item > .dtm-nav__link {
    color: var(--color-gold);
}

/* Ok ikonu (mega menü tetikleyicisi) */
.dtm-nav__arrow {
    width: 16px;
    height: 16px;
    transition: transform var(--duration-normal) var(--ease-default);
    flex-shrink: 0;
}

.dtm-nav__item:hover .dtm-nav__arrow,
.dtm-nav__item.is-open .dtm-nav__arrow {
    transform: rotate(180deg);
}

/* =====================================================
   MEGA MENÜ
   ===================================================== */

.dtm-mega-menu {
    position: absolute;
    top: calc(100% + var(--space-4));
    left: 50%;
    transform: translateX(-50%);
    width: min(860px, 90vw);
    background-color: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    padding: var(--space-8);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
        opacity var(--duration-normal) var(--ease-default),
        visibility var(--duration-normal) var(--ease-default),
        transform var(--duration-normal) var(--ease-default);
    transform: translateX(-50%) translateY(12px);
    z-index: var(--z-dropdown);
    border: 1px solid var(--color-border-light);
}

/* Mega menüyü açtığında */
.dtm-nav__item:hover .dtm-mega-menu,
.dtm-nav__item.is-open .dtm-mega-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
    transform: translateX(-50%) translateY(0);
}

/* Üstteki boşluğu doldurmak için köprü */
.dtm-mega-menu::before {
    content: '';
    position: absolute;
    top: -var(--space-4);
    left: 0;
    right: 0;
    height: var(--space-4);
}

.dtm-mega-menu__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border-light);
}

.dtm-mega-menu__title {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.dtm-mega-menu__category {
    margin-bottom: var(--space-6);
}

.dtm-mega-menu__category-label {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--space-3);
    padding-left: var(--space-3);
}

.dtm-mega-menu__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2);
}

/* Her bir hizmet item'ı */
.dtm-mega-menu__item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-3);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition:
        background-color var(--duration-fast) var(--ease-default),
        transform var(--duration-fast) var(--ease-default);
    group: true;
}

.dtm-mega-menu__item:hover {
    background-color: var(--color-offwhite);
    transform: translateX(3px);
}

.dtm-mega-menu__item-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    background-color: var(--color-gold-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background-color var(--duration-fast) var(--ease-default);
}

.dtm-mega-menu__item:hover .dtm-mega-menu__item-icon {
    background-color: var(--color-navy);
}

.dtm-mega-menu__item-icon svg {
    width: 20px;
    height: 20px;
    color: var(--color-gold);
    transition: color var(--duration-fast) var(--ease-default);
}

.dtm-mega-menu__item:hover .dtm-mega-menu__item-icon svg {
    color: var(--color-white);
}

.dtm-mega-menu__item-text {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-primary);
    line-height: 1.3;
    transition: color var(--duration-fast) var(--ease-default);
}

.dtm-mega-menu__item:hover .dtm-mega-menu__item-text {
    color: var(--color-navy);
}

/* Mega menü CTA bölümü */
.dtm-mega-menu__footer {
    margin-top: var(--space-6);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

.dtm-mega-menu__footer-text {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

/* =====================================================
   HEADER SAĞ ALAN - CTA
   ===================================================== */

.dtm-header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
}

.dtm-header__phone {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    color: var(--color-text-white-80);
    font-weight: var(--font-medium);
    letter-spacing: var(--tracking-wide);
    text-decoration: none;
    transition: color var(--duration-normal) var(--ease-default);
}

.dtm-header__phone:hover {
    color: var(--color-gold);
}

.dtm-header__phone svg {
    width: 15px;
    height: 15px;
    color: var(--color-gold);
}

/* =====================================================
   HAMBURGERMENİSİ (Mobil)
   ===================================================== */

.dtm-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    cursor: pointer;
    background: transparent;
    border: none;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: background-color var(--duration-fast) var(--ease-default);
}

.dtm-hamburger:hover {
    background-color: rgba(255, 255, 255, 0.08);
}

.dtm-hamburger__line {
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    border-radius: var(--radius-full);
    transition:
        transform var(--duration-normal) var(--ease-default),
        opacity var(--duration-normal) var(--ease-default),
        width var(--duration-normal) var(--ease-default);
    transform-origin: center;
}

.dtm-hamburger.is-active .dtm-hamburger__line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.dtm-hamburger.is-active .dtm-hamburger__line:nth-child(2) {
    opacity: 0;
    width: 0;
}

.dtm-hamburger.is-active .dtm-hamburger__line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* =====================================================
   MOBİL MENÜ
   ===================================================== */

.dtm-mobile-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-navy-dark);
    z-index: calc(var(--z-sticky) - 1);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--duration-slow) var(--ease-default);
    padding: var(--space-6) var(--space-6) var(--space-16);
}

.dtm-mobile-menu.is-open {
    transform: translateX(0);
}

.dtm-mobile-menu__nav {
    margin-bottom: var(--space-8);
}

.dtm-mobile-menu__item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.dtm-mobile-menu__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) 0;
    font-size: var(--text-md);
    font-weight: var(--font-medium);
    color: var(--color-text-white-80);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-default);
}

.dtm-mobile-menu__link:hover {
    color: var(--color-gold);
}

.dtm-mobile-menu__link--active {
    color: var(--color-gold);
}

/* Mobil akordeon (hizmetler alt menü) */
.dtm-mobile-submenu {
    padding: 0 0 var(--space-4) var(--space-4);
    display: none;
}

.dtm-mobile-submenu.is-open {
    display: block;
}

.dtm-mobile-submenu__link {
    display: block;
    padding: var(--space-3) 0;
    font-size: var(--text-sm);
    color: var(--color-text-white-60);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-default);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.dtm-mobile-submenu__link:hover {
    color: var(--color-gold);
}

.dtm-mobile-menu__actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding-top: var(--space-6);
}

/* =====================================================
   RESPONSIVE
   ===================================================== */

@media (max-width: 1100px) {
    .dtm-nav,
    .dtm-header__phone {
        display: none;
    }
    .dtm-hamburger {
        display: flex;
    }
    .dtm-header {
        height: var(--header-height-mobile);
    }
    .dtm-mobile-menu {
        top: var(--header-height-mobile);
    }
}

@media (min-width: 1101px) {
    .dtm-mobile-menu {
        display: none !important;
    }
}