/**
 * ==============================================================================
 * BİDOKTOR - GENEL STİL VE DÜZEN DOSYASI (style.css)
 * Kurumsal, Ferah ve Bootstrap Standart Kalıplarından Arındırılmış Özel Tasarım
 * ==============================================================================
 */

/* --- Temel Sıfırlama ve Font Ayarları --- */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--color-body);
    background-color: var(--bg-body);
    font-size: 15px;
    line-height: 1.7;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* --- Tipografi Hiyerarşisi --- */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: var(--font-heading);
    color: var(--color-heading);
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: -0.01em;
}

h1 { font-size: 2.5rem; font-weight: 800; }
h2 { font-size: 2rem; font-weight: 800; }
h3 { font-size: 1.5rem; font-weight: 700; }
h4 { font-size: 1.25rem; font-weight: 700; }
h5 { font-size: 1.1rem; font-weight: 600; }
h6 { font-size: 0.95rem; font-weight: 600; }

p {
    margin-bottom: 1.25rem;
    color: var(--color-body);
}

a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--color-primary);
}

img {
    max-width: 100%;
    height: auto;
}

/* --- Yardımcı Renk ve Arka Plan Sınıfları --- */
.text-primary-teal { color: var(--color-primary) !important; }
.text-navy { color: var(--color-secondary) !important; }
.text-muted-custom { color: var(--color-muted) !important; }

.bg-primary-teal { background-color: var(--color-primary) !important; }
.bg-navy { background-color: var(--color-secondary) !important; }
.bg-alt-soft { background-color: var(--bg-alt) !important; }

.section-spacing {
    padding: var(--section-padding);
}

.section-spacing-sm {
    padding: var(--section-padding-sm);
}

/* ==============================================================================
   1. ÜST BİLGİ ÇUBUĞU (TOPBAR - Bölünmüş Renk Tasarımı)
   Sol Bölüm: Turkuaz (#10B48F) | Sağ Bölüm: Koyu Lacivert (#23466D)
   İkonlar küçük, zarif ve beyaz; yazılar beyaz.
   ============================================================================== */
.topbar-wrapper {
    width: 100%;
    background-color: var(--bg-topbar-right);
    font-size: 13px;
    font-weight: 500;
    line-height: 1;
}

.topbar-grid {
    display: flex;
    align-items: stretch;
    width: 100%;
    min-height: 40px;
}

/* Sol Turkuaz Kutu */
.topbar-left {
    background-color: var(--bg-topbar-left);
    color: var(--color-white);
    padding: 0 35px 0 45px;
    display: flex;
    align-items: center;
    flex-shrink: 0;
    transition: var(--transition-fast);
}

.topbar-content-left {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-white);
}

.topbar-icon {
    font-size: 13px;
    color: var(--color-white);
    opacity: 0.95;
}

.topbar-text {
    font-size: 12.5px;
    letter-spacing: 0.02em;
    font-weight: 500;
}

/* Sağ Koyu Lacivert Kutu */
.topbar-right {
    background-color: var(--bg-topbar-right);
    color: var(--color-white);
    padding: 0 45px 0 25px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-grow: 1;
}

.topbar-content-right {
    display: inline-flex;
    align-items: center;
    gap: 26px;
}

.topbar-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-white);
    font-size: 12.5px;
    font-weight: 500;
}

.topbar-item a {
    color: var(--color-white);
    text-decoration: none;
    transition: var(--transition-fast);
}

.topbar-item a:hover {
    color: var(--color-primary-light);
    opacity: 0.9;
}

.topbar-social {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding-left: 18px;
    border-left: 1px solid rgba(255, 255, 255, 0.22);
}

.topbar-social a {
    color: var(--color-white);
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    opacity: 0.9;
}

.topbar-social a:hover {
    color: var(--color-primary-light);
    opacity: 1;
    transform: translateY(-1px);
}

/* ==============================================================================
   2. ANA MENÜ VE BAŞLIK (HEADER & NAVBAR)
   Beyaz zemin, değiştirilebilir logo görseli, koyu lacivert kalın linkler,
   yuvarlak aksiyon butonu, yapışkan header.
   ============================================================================== */
.main-header {
    background-color: var(--color-white);
    box-shadow: 0 3px 16px rgba(35, 70, 109, 0.06);
    position: sticky;
    top: 0;
    z-index: 1020;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.main-header.is-sticky {
    box-shadow: 0 8px 28px rgba(35, 70, 109, 0.1);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    transition: padding 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.main-header.is-sticky .header-container {
    padding: 10px 0;
}

/* Değiştirilebilir Logo Görseli */
.header-brand {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.brand-logo-img {
    height: 50px;
    width: auto;
    max-width: 260px;
    display: block;
    object-fit: contain;
    transition: height 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.main-header.is-sticky .brand-logo-img {
    height: 42px;
}

/* Yatay Menü Linkleri (Masaüstü) */
.main-nav {
    display: flex;
    align-items: center;
    gap: 30px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-nav .nav-item {
    margin: 0;
    padding: 0;
}

.main-nav .nav-link {
    font-size: 13.5px;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: var(--color-secondary);
    text-transform: uppercase;
    padding: 10px 0;
    position: relative;
    display: block;
    transition: color 0.25s ease;
}

/* Hover ve Aktif Alt Çizgi Göstergesi */
.main-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 22px;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 4px;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.main-nav .nav-link:hover,
.main-nav .nav-link.active {
    color: var(--color-primary);
}

.main-nav .nav-link:hover::after,
.main-nav .nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

/* ==============================================================================
   KURUMSAL AÇILIR MENÜ (DROPDOWN)
   ============================================================================== */
.main-nav .nav-item.has-dropdown {
    position: relative;
}

.main-nav .nav-item.has-dropdown:hover > .nav-link,
.main-nav .nav-item.has-dropdown.is-open > .nav-link {
    color: var(--color-primary);
    background-color: #E8F8F4;
    border-radius: 4px;
    padding: 8px 14px;
    margin-left: -14px;
    margin-right: -14px;
}

.main-nav .nav-item.has-dropdown:hover > .nav-link::after {
    display: none;
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: -14px;
    min-width: 215px;
    background-color: var(--color-white);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-top: none;
    border-radius: 0 0 4px 4px;
    padding: 16px 0;
    margin: 0;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s ease;
    z-index: 1050;
}

.main-nav .nav-item.has-dropdown:hover .nav-dropdown-menu,
.main-nav .nav-item.has-dropdown.is-open .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown-menu li {
    margin: 0;
    padding: 0;
}

.nav-dropdown-menu li a {
    display: flex;
    align-items: center;
    padding: 7.5px 22px;
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: #64748B;
    text-transform: uppercase;
    text-decoration: none;
    transition: color 0.2s ease, background-color 0.2s ease, padding-left 0.2s ease;
}

.nav-dropdown-menu li a::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 4px;
    background-color: var(--color-primary);
    margin-right: 9px;
    flex-shrink: 0;
    border-radius: 1px;
}

.nav-dropdown-menu li a:hover {
    color: var(--color-primary);
    background-color: #F8FAFC;
    padding-left: 26px;
}

/* Sağ Aksiyon Grubu (Yuvarlak Buton & Hamburger) */
.header-actions-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Yuvarlak Arama İkon Butonu */
.header-circle-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: var(--bg-alt);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
    font-size: 13.5px;
    cursor: pointer;
    transition: var(--transition-fast);
    padding: 0;
}

.header-circle-btn:hover,
.header-circle-btn.active {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    border-color: var(--color-primary);
    transform: scale(1.05);
}

/* Hamburger Menü Butonu (Mobil) */
.hamburger-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background-color: var(--color-white);
    border: 1.5px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4.5px;
    cursor: pointer;
    padding: 0;
    transition: var(--transition-fast);
}

.hamburger-bar {
    width: 20px;
    height: 2px;
    background-color: var(--color-secondary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.hamburger-btn:hover {
    border-color: var(--color-primary);
    background-color: var(--color-primary-light);
}

.hamburger-btn:hover .hamburger-bar {
    background-color: var(--color-primary);
}

/* Açılır Arama Çubuğu */
.header-search-bar {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    border-top: 1px solid var(--border-light);
    box-shadow: 0 10px 30px rgba(35, 70, 109, 0.08);
    padding: 14px 0;
    display: none;
    opacity: 0;
    transform: translateY(-8px);
    transition: all 0.25s ease-in-out;
}

.header-search-bar.is-open {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.search-form-inner {
    max-width: 720px;
    margin: 0 auto;
}

.search-input {
    font-size: 14.5px;
    color: var(--color-secondary);
    padding: 10px 14px;
}

.search-input::placeholder {
    color: var(--color-muted);
}

.search-close-btn {
    opacity: 0.6;
    transition: var(--transition-fast);
}

.search-close-btn:hover {
    opacity: 1;
}

/* ==============================================================================
   2.1 MOBİL DRAWER MENÜ (Çekmece Menü)
   ============================================================================== */
.mobile-nav-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(18, 38, 62, 0.55);
    backdrop-filter: blur(2px);
    z-index: 1040;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.mobile-nav-backdrop.is-open {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-drawer {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    max-width: 85vw;
    height: 100vh;
    background-color: var(--color-white);
    box-shadow: -5px 0 35px rgba(0, 0, 0, 0.15);
    z-index: 1050;
    display: flex;
    flex-direction: column;
    transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    overflow-y: auto;
}

.mobile-nav-drawer.is-open {
    right: 0;
}

.mobile-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 22px;
    border-bottom: 1px solid var(--border-light);
}

.mobile-drawer-close {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--bg-alt);
    border: 1px solid var(--border-color);
    color: var(--color-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.mobile-drawer-close:hover {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.mobile-drawer-body {
    padding: 20px 22px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.mobile-nav-list {
    list-style: none;
    padding: 0;
    margin: 0 0 25px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    color: var(--color-secondary);
    font-weight: 700;
    font-size: 13.5px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    transition: var(--transition-fast);
}

.mobile-nav-link i {
    font-size: 11px;
    color: var(--color-muted);
    transition: var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.mobile-nav-link:hover i,
.mobile-nav-link.active i {
    color: var(--color-primary);
    transform: translateX(3px);
}

/* Mobil Alt Menü (Accordion) */
.mobile-nav-link-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.mobile-dropdown-btn {
    background: transparent;
    border: none;
    color: var(--color-muted);
    padding: 10px 14px;
    font-size: 13px;
    cursor: pointer;
    transition: transform 0.25s ease, color 0.25s ease;
}

.mobile-dropdown-btn.is-active i {
    transform: rotate(180deg);
    color: var(--color-primary);
}

.mobile-subnav-list {
    list-style: none;
    padding: 6px 0 6px 14px;
    margin: 4px 0 8px 10px;
    display: none;
    background-color: #F8FAFC;
    border-left: 2.5px solid var(--color-primary);
    border-radius: 0 6px 6px 0;
}

.mobile-subnav-list.is-open {
    display: block;
}

.mobile-subnav-list li a {
    display: flex;
    align-items: center;
    padding: 7px 12px;
    font-size: 12px;
    font-weight: 700;
    color: #64748B;
    text-transform: uppercase;
    text-decoration: none;
    transition: color 0.2s ease;
}

.mobile-subnav-list li a::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 4px;
    background-color: var(--color-primary);
    margin-right: 8px;
    border-radius: 1px;
}

.mobile-subnav-list li a:hover {
    color: var(--color-primary);
}

.mobile-drawer-footer {
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mobile-info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12.5px;
    color: var(--color-body);
}

.mobile-info-item a {
    color: var(--color-body);
}

.mobile-info-item a:hover {
    color: var(--color-primary);
}

/* ==============================================================================
   3. ALT BİLGİ (FOOTER - 4 Kolonlu Zengin Lacivert Alan)
   ============================================================================== */
.main-footer {
    background-color: var(--bg-footer);
    background-image: linear-gradient(rgba(26, 55, 90, 0.94), rgba(18, 40, 66, 0.97)), url('https://images.unsplash.com/photo-1579684385127-1ef15d508118?auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    color: rgba(255, 255, 255, 0.85);
    position: relative;
    padding-top: 75px;
    padding-bottom: 50px;
}

.footer-widget-title {
    color: var(--color-white);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 12px;
}

.footer-widget-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 2.5px;
    background-color: var(--color-primary);
    border-radius: 2px;
}

/* İletişim Bilgileri Listesi */
.footer-contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
    font-size: 13.5px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    line-height: 1.5;
}

.footer-contact-item i {
    color: var(--color-primary);
    font-size: 16px;
    margin-top: 2px;
    flex-shrink: 0;
}

.footer-contact-item a {
    color: rgba(255, 255, 255, 0.85);
}

.footer-contact-item a:hover {
    color: var(--color-primary-light);
}

/* Footer Link Menüleri */
.footer-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 13.5px;
}

.footer-nav-list li a {
    color: rgba(255, 255, 255, 0.82);
    display: inline-block;
    transition: var(--transition-fast);
}

.footer-nav-list li a:hover {
    color: var(--color-primary);
    transform: translateX(4px);
}

/* ==============================================================================
   4. EN ALT TELİF ÇUBUĞU (FOOTER BOTTOM)
   ============================================================================== */
.footer-bottom {
    background-color: var(--bg-footer-bottom);
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    font-size: 13px;
    color: rgba(255, 255, 255, 0.65);
}

.footer-bottom-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-social-icons {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-social-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    transition: var(--transition-fast);
}

.footer-social-btn:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}