* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Yüzen Header Pozisyonu */
.site-header {
    position: absolute;
    top: 22px;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 24px;
    width: 100%;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Scroll Edildiğinde Sabitlenme & Kompaktlaşma */
.site-header.is-scrolled {
    position: fixed;
    top: 10px;
}

/* Cam Efektli (Glassmorphism) Header Kapsülü */
.header-capsule {
    max-width: 1440px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 60px;
    padding: 6px 28px 6px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.08), 0 0 1px 1px rgba(255,255,255,0.7);
    position: relative;
    overflow: visible;
}

/* KUSURSUZLAŞTIRILMIŞ MİMARİ LOGO YUVASI (NOTCH WING) */
.logo-notch-wrapper {
    position: relative;
    margin: -18px 0 -18px -18px;
    z-index: 10;
}

.header-logo {
    display: flex;
    align-items: center;
    background: #ffffff;
    padding: 10px 28px 10px 22px;
    border-radius: 50px 18px 50px 18px;
    box-shadow: 0 12px 35px rgba(46, 104, 51, 0.16), 0 0 0 1px rgba(46, 104, 51, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.95);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
    text-decoration: none;
}

.header-logo:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 16px 40px rgba(46, 104, 51, 0.22);
}

/* Devasa & Net Logo Görselleri */
.logo-desktop {
    display: block !important;
    height: 95px;
    width: auto;
    object-fit: contain;
}

.logo-mobile {
    display: none !important;
    height: 58px;
    width: auto;
    object-fit: contain;
}

/* Masaüstü Navigasyon */
.main-navigation ul {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 14px;
}

.main-navigation li {
    position: relative;
}

.main-navigation a {
    text-decoration: none;
    color: #1e293b;
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 10px;
    position: relative;
    transition: color 0.2s ease;
}

.menu-icon {
    width: 17px;
    height: 17px;
    color: #2e6833;
}

.dropdown-arrow {
    width: 14px;
    height: 14px;
    color: #64748b;
    transition: transform 0.25s ease;
}

.main-navigation li.has-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
    color: #2e6833;
}

/* Alt Çizgi Vurgusu */
.main-navigation a.active,
.main-navigation a:hover {
    color: #2e6833;
}

.main-navigation a::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    width: 0;
    height: 3px;
    background-color: #2e6833;
    border-radius: 4px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
}

.main-navigation a.active::after,
.main-navigation a:hover::after {
    width: 80%;
}

/* MASAÜSTÜ AÇILIR ALT MENÜ (DROPDOWN MENU) */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 18px;
    padding: 10px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 100;
}

.main-navigation li.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(4px);
}

.dropdown-menu a {
    padding: 10px 14px;
    font-size: 14px;
    font-weight: 500;
    color: #334155;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.dropdown-menu a::after {
    display: none; /* Dropdown içinde alt çizgiyi kapat */
}

.dropdown-menu a .dot {
    width: 6px;
    height: 6px;
    background-color: #cbd5e1;
    border-radius: 50%;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.dropdown-menu a:hover {
    background-color: rgba(46, 104, 51, 0.08);
    color: #2e6833;
    transform: translateX(4px);
}

.dropdown-menu a:hover .dot {
    background-color: #2e6833;
    transform: scale(1.3);
}

/* Sağ Aksiyon Butonları */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

/* HEMEN ARA BUTONU - IŞILTILI & DEGRADELİ (SHIMMER PULSE) */
.site-header .btn-call {
    position: relative;
    background: linear-gradient(135deg, #2e6833 0%, #43a047 100%);
    color: #ffffff;
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(46, 104, 51, 0.32);
    animation: btnPulse 2.8s infinite ease-in-out;
    transition: transform 0.2s ease;
}

/* Parlama / Işıltı Efekti (Shimmer Sweep) */
.site-header .btn-call::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -60%;
    width: 40%;
    height: 200%;
    background: rgba(255, 255, 255, 0.35);
    transform: rotate(30deg);
    transition: all 0.6s ease;
    animation: shimmerSweep 4s infinite ease-in-out;
}

@keyframes shimmerSweep {
    0% { left: -70%; }
    20% { left: 130%; }
    100% { left: 130%; }
}

.site-header .btn-call:hover {
    transform: translateY(-2px) scale(1.02);
}

.phone-icon {
    width: 18px;
    height: 18px;
}

@keyframes btnPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(46, 104, 51, 0.45);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 0 14px rgba(46, 104, 51, 0);
        transform: scale(1.02);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(46, 104, 51, 0);
        transform: scale(1);
    }
}

/* Hamburger Butonları & Çizgi Animasyonu */
.hamburger-btn {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.hamburger-btn .line {
    height: 2.5px;
    background-color: #1e293b;
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hamburger-btn .line-1 { width: 22px; }
.hamburger-btn .line-2 { width: 16px; align-self: center; }
.hamburger-btn .line-3 { width: 22px; }

.hamburger-btn:hover {
    border-color: #2e6833;
    background-color: #f8fafc;
}

.hamburger-btn.is-active .line-1 {
    transform: translateY(7.5px) rotate(45deg);
    background-color: #2e6833;
}

.hamburger-btn.is-active .line-2 {
    opacity: 0;
    transform: translateX(-10px);
}

.hamburger-btn.is-active .line-3 {
    transform: translateY(-7.5px) rotate(-45deg);
    background-color: #2e6833;
}

.desktop-hamburger { display: flex; }
.mobile-hamburger { display: none; }

/* MOBİL PREMİUM DRAWER MENÜ & AKORDEON */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s ease;
}

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

.mobile-menu-drawer {
    position: fixed;
    top: 0;
    right: -340px;
    width: 320px;
    max-width: 88vw;
    height: 100vh;
    background: #ffffff;
    z-index: 2001;
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.15);
    overflow-y: auto;
}

.mobile-menu-drawer.open { right: 0; }

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 18px;
    border-bottom: 1px solid #f1f5f9;
}

.drawer-logo {
    height: 48px;
    width: auto;
}

.mobile-menu-close {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #475569;
    cursor: pointer;
    transition: all 0.2s ease;
}

.mobile-menu-close:hover {
    background: #2e6833;
    color: #ffffff;
    border-color: #2e6833;
}

.mobile-drawer-body {
    margin-top: 20px;
    flex-grow: 1;
}

.drawer-section-title {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1.2px;
    color: #94a3b8;
    display: block;
    margin-bottom: 12px;
    padding-left: 6px;
}

.mobile-nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-nav-list a,
.mobile-accordion-btn {
    text-decoration: none;
    color: #1e293b;
    font-size: 15px;
    font-weight: 600;
    padding: 12px 14px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #ffffff;
    border: 1px solid transparent;
    width: 100%;
    cursor: pointer;
    transition: all 0.2s ease;
}

.mobile-nav-list .nav-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-nav-list .nav-icon {
    width: 18px;
    height: 18px;
    color: #2e6833;
}

.mobile-nav-list .nav-arrow {
    width: 16px;
    height: 16px;
    color: #cbd5e1;
    transition: transform 0.25s ease;
}

.mobile-accordion-btn.active .nav-arrow {
    transform: rotate(180deg);
    color: #2e6833;
}

.mobile-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
    background: #f8fafc;
    border-radius: 12px;
    margin-top: 4px;
    padding: 0 10px;
}

.mobile-accordion-content a {
    padding: 10px 12px;
    font-size: 14px;
    color: #475569;
    background: transparent;
    border-bottom: 1px stroke #f1f5f9;
}

.mobile-accordion-content a:hover {
    color: #2e6833;
}

.mobile-drawer-footer {
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid #f1f5f9;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-badge {
    font-size: 12px;
    color: #64748b;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-weight: 500;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background-color: #22c55e;
    border-radius: 50%;
    display: inline-block;
}

.drawer-call-btn {
    background: linear-gradient(135deg, #2e6833 0%, #43a047 100%);
    color: #ffffff;
    text-decoration: none;
    padding: 14px;
    border-radius: 14px;
    font-weight: 700;
    font-size: 14px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 8px 20px rgba(46, 104, 51, 0.25);
}

/* RESPONSIVE KURALLARI */
@media (max-width: 1200px) {
    .main-navigation { display: none; }
    .desktop-hamburger { display: none; }
    .mobile-hamburger { display: flex; }
}

@media (max-width: 768px) {
    .site-header {
        top: 12px;
        padding: 0 10px;
    }

    .header-capsule {
        padding: 4px 12px 4px 6px;
        border-radius: 40px;
    }

    .logo-notch-wrapper {
        margin: -10px 0 -10px -10px;
    }

    .header-logo {
        padding: 6px 16px 6px 14px;
        border-radius: 35px 10px 35px 10px;
    }

    .logo-desktop { display: none !important; }
    .logo-mobile { display: block !important; }

    .site-header .btn-call span,
    .btn-arrow { display: none; }

    .site-header .btn-call {
        padding: 10px;
        border-radius: 50%;
    }
}