/**
 * Header menü — şık ve çarpıcı görünüm
 */

.site-header {
    --hm-red: #cc0000;
    --hm-red-dark: #a30000;
    --hm-ink: #1f2733;
    background: linear-gradient(120deg, #b80000 0%, #cc0000 42%, #e01414 100%);
}

/* Üstte ince parlak çizgi — derinlik hissi */
.site-header::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 2px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.45) 50%, rgba(255, 255, 255, 0) 100%);
    z-index: 2;
    pointer-events: none;
}

/* --- Header altındaki yumuşak dolgu eğri ---
   1. katman: header rengini sürdüren, tam genişliğe yayılan sabit eğri.
   2. katman: arkada çok yavaş kayan yarı saydam yankı dalgası. */
.site-header::after {
    content: '';
    position: absolute;
    bottom: -28px;
    left: 0;
    right: 0;
    height: 28px;
    z-index: 1;
    opacity: 1;
    background-image:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1440' height='40' viewBox='0 0 1440 40' preserveAspectRatio='none'%3E%3ClinearGradient id='hmg' x1='0' y1='0' x2='1' y2='0'%3E%3Cstop offset='0' stop-color='%23b80000'/%3E%3Cstop offset='0.45' stop-color='%23cc0000'/%3E%3Cstop offset='1' stop-color='%23e01414'/%3E%3C/linearGradient%3E%3Cpath d='M0,0 H1440 V20 C1200,38 1020,6 720,16 C440,25 240,36 0,22 Z' fill='url(%23hmg)'/%3E%3C/svg%3E"),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='480' height='40' viewBox='0 0 480 40' preserveAspectRatio='none'%3E%3Cpath d='M0,20 C80,6 160,6 240,20 C320,34 400,34 480,20 V40 H0 Z' fill='rgba(204,0,0,0.16)'/%3E%3C/svg%3E");
    background-repeat: no-repeat, repeat-x;
    background-size: 100% 100%, 480px 100%;
    background-position: 0 0, 0 0;
    box-shadow: none;
    filter: drop-shadow(0 6px 10px rgba(0, 0, 0, 0.12));
    animation: hm-wave-drift 38s linear infinite;
    will-change: background-position;
    pointer-events: none;
}

@keyframes hm-wave-drift {
    to {
        background-position: 0 0, -480px 0;
    }
}

@media (max-width: 768px) {
    .site-header::after {
        bottom: -12px;
        height: 12px;
        background-image:
            url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='390' height='12' viewBox='0 0 390 12' preserveAspectRatio='none'%3E%3Cdefs%3E%3ClinearGradient id='hm-mobile' x1='0' y1='0' x2='1' y2='0'%3E%3Cstop offset='0' stop-color='%23b80000'/%3E%3Cstop offset='.55' stop-color='%23cc0000'/%3E%3Cstop offset='1' stop-color='%23e01414'/%3E%3C/linearGradient%3E%3C/defs%3E%3Cpath d='M0 0h390v5c-68 7-132-2-198 2C119 11 63 9 0 5z' fill='url(%23hm-mobile)'/%3E%3Cpath d='M0 4c70 5 127 4 194 1 75-3 126 4 196 0' fill='none' stroke='%23fff' stroke-opacity='.22' stroke-width='.7'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-size: 100% 100%;
        background-position: center top;
        filter: drop-shadow(0 3px 4px rgba(0, 0, 0, 0.1));
        animation: none;
        will-change: auto;
    }
}

.site-header .navbar-nav {
    gap: 0.15rem;
}

/* --- Üst seviye bağlantılar --- */
.site-header .navbar-nav > .nav-item > .nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 0.95rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.03em;
    color: rgba(255, 255, 255, 0.92);
    overflow: hidden;
    transition: color 0.25s ease, background 0.3s ease, transform 0.25s ease;
}

.site-header .navbar-nav > .nav-item > .nav-link:hover,
.site-header .navbar-nav > .nav-item > .nav-link:focus-visible,
.site-header .navbar-nav > .nav-item.show > .nav-link {
    color: #fff;
    background: rgba(255, 255, 255, 0.14);
    opacity: 1;
    transform: translateY(-1px);
}

/* Ortadan açılan gradyan alt çizgi */
.site-header .navbar-nav > .nav-item > .nav-link::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0.28rem;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.35), #fff, rgba(255, 255, 255, 0.35));
    transition: width 0.32s cubic-bezier(0.22, 0.8, 0.3, 1);
}

.site-header .navbar-nav > .nav-item > .nav-link:hover::after,
.site-header .navbar-nav > .nav-item.show > .nav-link::after {
    width: calc(100% - 1.9rem);
}

.site-header .navbar-nav > .nav-item > .nav-link i {
    font-size: 0.95rem;
    opacity: 0.9;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.site-header .navbar-nav > .nav-item > .nav-link:hover i {
    opacity: 1;
    transform: scale(1.08);
}

/* Dropdown oku — Bootstrap üçgeni yerine ince chevron */
.site-header .navbar-nav .dropdown-toggle::after {
    content: '';
    display: inline-block;
    width: 0.4rem;
    height: 0.4rem;
    margin-left: 0.45rem;
    border: 0 !important;
    border-right: 2px solid currentColor !important;
    border-bottom: 2px solid currentColor !important;
    border-radius: 1px;
    transform: rotate(45deg) translateY(-2px);
    transition: transform 0.28s ease;
    vertical-align: middle;
}

.site-header .navbar-nav > .nav-item.show > .dropdown-toggle::after {
    transform: rotate(225deg) translateY(-2px);
}

/* --- Açılır menü --- */
.site-header .navbar-nav .dropdown-menu {
    margin-top: 0.6rem;
    padding: 0.55rem;
    min-width: 250px;
    border: 1px solid rgba(15, 23, 42, 0.07);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 18px 44px rgba(15, 23, 42, 0.16), 0 2px 6px rgba(15, 23, 42, 0.06);
    animation: hm-drop 0.26s cubic-bezier(0.22, 0.8, 0.3, 1);
}

/* Üstte kırmızı işaret oku */
.site-header .navbar-nav > .nav-item.dropdown > .dropdown-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 1.35rem;
    width: 12px;
    height: 12px;
    background: #fff;
    border-left: 1px solid rgba(15, 23, 42, 0.07);
    border-top: 1px solid rgba(15, 23, 42, 0.07);
    transform: rotate(45deg);
    border-radius: 3px 0 0 0;
}

@keyframes hm-drop {
    from {
        opacity: 0;
        transform: translateY(-8px) scale(0.985);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

.site-header .dropdown-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0.85rem 0.6rem 1.15rem;
    border-radius: 9px;
    color: var(--hm-ink);
    font-size: 0.9rem;
    font-weight: 550;
    white-space: normal;
    transition: color 0.22s ease, background 0.22s ease, padding-left 0.22s ease;
}

/* Sol kenardaki kırmızı vurgu çizgisi */
.site-header .dropdown-item::before {
    content: '';
    position: absolute;
    left: 0.45rem;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    border-radius: 3px;
    background: linear-gradient(180deg, var(--hm-red), #ff6b6b);
    transition: height 0.24s ease;
}

.site-header .dropdown-item:hover,
.site-header .dropdown-item:focus-visible {
    background: linear-gradient(90deg, rgba(204, 0, 0, 0.08), rgba(204, 0, 0, 0.02));
    color: var(--hm-red);
    padding-left: 1.35rem;
}

.site-header .dropdown-item:hover::before,
.site-header .dropdown-item:focus-visible::before {
    height: 60%;
}

.site-header .dropdown-item:active {
    background: rgba(204, 0, 0, 0.12);
    color: var(--hm-red-dark);
}

/* Alt seviye menü */
.site-header .dropdown-submenu > .dropdown-menu {
    margin-top: -0.55rem;
    margin-left: 0.35rem;
    border-radius: 12px;
}

.site-header .dropdown-submenu > .dropdown-item i {
    font-size: 0.7rem;
    opacity: 0.55;
    transition: transform 0.24s ease, opacity 0.24s ease;
}

.site-header .dropdown-submenu:hover > .dropdown-item i {
    opacity: 1;
    transform: translateX(3px);
}

.site-header .dropdown-submenu > .dropdown-item::after {
    display: none;
}

/* --- Telefon --- */
.site-header .header-phone .nav-link.phone-link {
    margin-left: 0.35rem;
    padding: 0.55rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 999px;
    font-weight: 700;
    letter-spacing: 0.01em;
    background: rgba(255, 255, 255, 0.08);
}

.site-header .header-phone .nav-link.phone-link::after {
    display: none;
}

.site-header .header-phone .nav-link.phone-link:hover {
    background: #fff;
    color: var(--hm-red);
    border-color: #fff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
}

.site-header .header-phone .nav-link.phone-link:hover i {
    color: var(--hm-red);
}

/* --- Firma girişi --- */
.site-header .firma-giris-btn {
    border-radius: 999px;
    padding: 0.5rem 1.1rem;
    font-size: 0.88rem;
    font-weight: 650;
    border-width: 1px;
    transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.site-header .firma-giris-btn:hover {
    background: #fff;
    color: var(--hm-red);
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
}

/* --- WhatsApp --- */
.site-header .whatsapp-btn {
    border-radius: 999px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.site-header .whatsapp-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
}

/* --- Menü açma düğmesi (mobil) --- */
.site-header .navbar-toggler {
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 10px;
    padding: 0.35rem 0.6rem;
    transition: background 0.25s ease, border-color 0.25s ease;
}

.site-header .navbar-toggler:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.6);
}

/* --- Masaüstü: üzerine gelince açılsın --- */
@media (min-width: 992px) {
    .site-header .navbar-nav > .nav-item.dropdown > .dropdown-toggle::before {
        content: '';
        position: absolute;
        left: 0;
        right: 0;
        top: 100%;
        height: 0.7rem;
    }

    .site-header .navbar-nav > .nav-item.dropdown:hover > .dropdown-menu {
        display: block;
    }

    .site-header .navbar-nav > .nav-item.dropdown:hover > .dropdown-toggle::after {
        transform: rotate(225deg) translateY(-2px);
    }
}

/* --- Mobil düzen --- */
@media (max-width: 991.98px) {
    .site-header .navbar-collapse {
        background: linear-gradient(180deg, #b80000 0%, #9c0000 100%);
    }

    .site-header .navbar-collapse.show {
        padding: 0.75rem 1rem 1.15rem;
    }

    .site-header .navbar-nav {
        align-items: stretch;
        gap: 0.25rem;
    }

    .site-header .navbar-nav > .nav-item > .nav-link {
        justify-content: space-between;
        padding: 0.75rem 0.9rem;
        border-radius: 10px;
        border-left: 3px solid transparent;
        background: rgba(255, 255, 255, 0.06);
    }

    .site-header .navbar-nav > .nav-item > .nav-link:hover,
    .site-header .navbar-nav > .nav-item.show > .nav-link {
        border-left-color: #fff;
        background: rgba(255, 255, 255, 0.16);
        transform: none;
    }

    .site-header .navbar-nav > .nav-item > .nav-link::after {
        display: none;
    }

    .site-header .navbar-nav > .nav-item.dropdown > .dropdown-toggle::after {
        margin-left: auto;
    }

    .site-header .navbar-nav .dropdown-menu {
        margin: 0.3rem 0 0.4rem 0.6rem;
        padding: 0.4rem;
        border: 0;
        border-left: 2px solid rgba(255, 255, 255, 0.3);
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.96);
        box-shadow: none;
    }

    .site-header .navbar-nav > .nav-item.dropdown > .dropdown-menu::before {
        display: none;
    }

    .site-header .header-phone .nav-link.phone-link,
    .site-header .firma-giris-btn {
        width: 100%;
        justify-content: center;
        margin-left: 0;
        margin-top: 0.35rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .site-header::after {
        animation: none;
        transform: none;
    }

    .site-header .navbar-nav .dropdown-menu {
        animation: none;
    }

    .site-header .navbar-nav > .nav-item > .nav-link,
    .site-header .dropdown-item,
    .site-header .firma-giris-btn,
    .site-header .whatsapp-btn {
        transition: none;
    }
}