/* 
   Bolu Fizik Tedavi & Pilates Web Sitesi - CSS Tasarım Sistemi
   Tasarım Konsepti: Premium Açık Tema & Wellness Adaçayı Yeşili
*/

/* 1. Global Değişkenler ve Temel Ayarlar */
:root {
    /* Renk Paleti (HSL) */
    --bg-primary: #FAFAF9;      /* Krem/Taş Beyazı */
    --bg-secondary: #F5F5F4;    /* Hafif Koyu Krem */
    --bg-tertiary: #E7E5E4;     /* Sınırlar ve Bölücüler için */
    --primary: #3C6E57;         /* İyileştirici Adaçayı Yeşili (Sage Green) */
    --primary-light: #EBF2EE;   /* Çok Açık Yeşil */
    --primary-hover: #2E5543;   /* Koyu Adaçayı Yeşili */
    --secondary: #C29F68;       /* Sıcak Altın/Toprak Vurgu Rengi */
    --secondary-light: #F7F3EC; /* Çok Açık Vurgu */
    --secondary-hover: #B18C54; /* Koyu Altın/Toprak */
    --text-main: #1C2421;       /* Koyu Slate / Antrasit */
    --text-muted: #576560;      /* Orta Antrasit */
    
    /* Efektler ve Gölgeler */
    --glass-bg: rgba(250, 250, 249, 0.85);
    --glass-border: rgba(60, 110, 87, 0.08);
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.03), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 10px 25px -5px rgba(28, 36, 33, 0.08), 0 8px 10px -6px rgba(28, 36, 33, 0.05);
    --shadow-lg: 0 20px 50px -12px rgba(28, 36, 33, 0.15);
    
    /* Kavis ve Geçişler */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    
    /* Fontlar */
    --font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-main);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* 2. Buton Tasarımları */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(60, 110, 87, 0.25);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(60, 110, 87, 0.35);
}

.btn-secondary {
    background-color: var(--bg-primary);
    color: var(--primary);
    border: 1px solid var(--primary);
}

.btn-secondary:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.05rem;
}

.btn-block {
    width: 100%;
}

/* 3. Header & Navigasyon */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: transparent;
    border-bottom: 1px solid transparent;
    transition: var(--transition-smooth);
}

.site-header.scrolled {
    background-color: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm);
    padding: 0.75rem 0;
}

.header-container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition-smooth);
}

.site-header.scrolled .header-container {
    padding: 0.5rem 1.5rem;
}

.logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.4rem;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    color: var(--text-main);
}

.logo-accent {
    color: var(--primary);
    margin-right: 0.15rem;
}

.nav-menu ul {
    display: flex;
    gap: 2.25rem;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-muted);
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition-smooth);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-cta-mobile {
    display: none;
}

/* Hamburger Butonu */
.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.hamburger-menu span {
    width: 100%;
    height: 2px;
    background-color: var(--text-main);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

/* 4. Hero Section */
.hero-section {
    position: relative;
    padding: 10rem 0 7rem;
    background: radial-gradient(circle at 80% 20%, var(--primary-light) 0%, transparent 45%),
                radial-gradient(circle at 10% 80%, var(--secondary-light) 0%, transparent 35%);
    overflow: hidden;
}

.hero-bg-shapes .shape {
    position: absolute;
    border-radius: var(--radius-full);
    filter: blur(80px);
    z-index: 0;
    opacity: 0.45;
}

.shape-1 {
    top: -10%;
    right: 5%;
    width: 400px;
    height: 400px;
    background-color: var(--primary-light);
}

.shape-2 {
    bottom: 10%;
    left: -5%;
    width: 300px;
    height: 300px;
    background-color: var(--secondary-light);
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background-color: var(--primary-light);
    color: var(--primary);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: var(--radius-full);
    margin-bottom: 1.5rem;
    letter-spacing: 0.5px;
    border: 1px solid rgba(60, 110, 87, 0.15);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 580px;
}

.hero-buttons {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 3.5rem;
    width: 100%;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    border-top: 1px solid var(--bg-tertiary);
    padding-top: 2rem;
    width: 100%;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    font-weight: 500;
}

/* Hero Görsel Kompozisyonu */
.hero-visual {
    position: relative;
    height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.image-box {
    position: absolute;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-spring);
}

.image-box img {
    width: 100%;
    height: 100%;
    object-position: center;
    transition: var(--transition-smooth);
}

.image-box:hover img {
    transform: scale(1.05);
}

.ofis-box {
    width: 75%;
    height: 75%;
    top: 0;
    left: 0;
    z-index: 1;
    border: 6px solid #ffffff;
}

.ekipman-box {
    width: 55%;
    height: 55%;
    bottom: 5%;
    right: 0;
    z-index: 2;
    border: 6px solid #ffffff;
}

.floating-element {
    animation: floatAnimation 6s ease-in-out infinite;
}

.ekipman-box.floating-element {
    animation-delay: 1.5s;
}

.experience-card {
    position: absolute;
    left: -5%;
    bottom: 15%;
    background-color: #ffffff;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 3;
    animation: floatAnimation 6s ease-in-out infinite;
    animation-delay: 3s;
    border: 1px solid var(--bg-secondary);
}

.exp-icon {
    width: 42px;
    height: 42px;
    background-color: var(--secondary-light);
    color: var(--secondary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.exp-text {
    display: flex;
    flex-direction: column;
}

.exp-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-main);
}

.exp-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
}

@keyframes floatAnimation {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* 5. Ortak Bölüm Başlıkları */
.section-subtitle {
    display: inline-block;
    color: var(--secondary);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.75px;
    margin-bottom: 1.25rem;
    line-height: 1.2;
}

.text-center {
    text-align: center;
}

.text-center .section-title {
    margin-left: auto;
    margin-right: auto;
}

/* 6. Fizyoterapist Profil Bölümü */
.fizyoterapist-section {
    padding: 7rem 0;
    background-color: var(--bg-secondary);
}

.grid-container {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 5rem;
    align-items: center;
}

.profile-image-container {
    position: relative;
    padding: 1.5rem;
}

.profile-card-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 85%;
    height: 90%;
    background-color: var(--primary-light);
    border-radius: var(--radius-lg);
    z-index: 0;
}

.profile-img {
    position: relative;
    z-index: 1;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
    border: 8px solid #ffffff;
}

.profile-badge {
    position: absolute;
    right: 5%;
    bottom: 5%;
    z-index: 2;
    background-color: #ffffff;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--primary);
}

.profile-badge .badge-title {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--primary);
    font-weight: 700;
    letter-spacing: 0.5px;
}

.profile-badge .badge-name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-main);
}

.profile-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.profile-bio {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.profile-bio strong {
    color: var(--text-main);
}

.profile-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: 1.5rem 0 2.5rem;
    width: 100%;
}

.feature-card {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}

.feature-icon {
    width: 48px;
    height: 48px;
    background-color: #ffffff;
    color: var(--primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
    border: 1px solid var(--bg-tertiary);
}

.feature-text h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.feature-text p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* 7. Hakkımızda & Misyon / Vizyon Sekmeleri */
.about-section {
    padding: 7rem 0;
    background-color: var(--bg-primary);
}

.about-header {
    margin-bottom: 3.5rem;
}

.about-tabs-container {
    max-width: 1000px;
    margin: 0 auto;
}

.tabs-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    border-bottom: 2px solid var(--bg-tertiary);
    padding-bottom: 1rem;
    margin-bottom: 3rem;
}

.tab-btn {
    background: transparent;
    border: none;
    padding: 0.75rem 2rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-muted);
    cursor: pointer;
    position: relative;
    transition: var(--transition-smooth);
}

.tab-btn:hover {
    color: var(--primary);
}

.tab-btn.active {
    color: var(--primary);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -18px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary);
    border-radius: var(--radius-full);
}

.tabs-content {
    position: relative;
}

.tab-pane {
    display: none;
    animation: fadeIn 0.5s ease-in-out forwards;
}

.tab-pane.active {
    display: block;
}

.tab-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.tab-text h3 {
    font-size: 1.75rem;
    margin-bottom: 1.25rem;
    color: var(--primary);
}

.tab-text p {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}

.tab-visual {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    height: 350px;
}

.tab-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 8. Hizmetlerimiz Bölümü */
.services-section {
    padding: 7rem 0;
    background-color: var(--bg-secondary);
}

.services-header {
    margin-bottom: 4rem;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: #ffffff;
    padding: 2.5rem 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.02);
    transition: var(--transition-spring);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(60, 110, 87, 0.15);
}

.service-icon-box {
    width: 60px;
    height: 60px;
    background-color: var(--primary-light);
    color: var(--primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: var(--transition-smooth);
}

.service-card:hover .service-icon-box {
    background-color: var(--primary);
    color: #ffffff;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.all-services-toggle {
    margin-top: 3.5rem;
}

/* 9. Galeri ve Belgeler */
.gallery-section {
    padding: 7rem 0;
    background-color: var(--bg-primary);
}

.gallery-header {
    margin-bottom: 4rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    cursor: pointer;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

.gallery-img-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    transition: var(--transition-smooth);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(60, 110, 87, 0.9) 0%, rgba(60, 110, 87, 0.4) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    opacity: 0;
    transition: var(--transition-smooth);
    color: #ffffff;
}

.gallery-overlay svg {
    transform: scale(0.8);
    transition: var(--transition-spring);
}

.gallery-overlay span {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    transform: translateY(10px);
    transition: var(--transition-smooth);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-item:hover .gallery-overlay svg {
    transform: scale(1);
}

.gallery-item:hover .gallery-overlay span {
    transform: translateY(0);
}

/* 10. İletişim, Formlar ve Harita */
.contact-section {
    padding: 7rem 0;
    background-color: var(--bg-secondary);
}

.contact-header {
    margin-bottom: 4rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: flex-start;
    margin-bottom: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-card {
    background-color: #ffffff;
    padding: 1.75rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    border: 1px solid rgba(0, 0, 0, 0.01);
}

.info-icon {
    width: 48px;
    height: 48px;
    background-color: var(--primary-light);
    color: var(--primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.info-content p {
    font-size: 1rem;
    color: var(--text-muted);
}

.contact-link:hover {
    color: var(--primary);
    text-decoration: underline;
}

.social-channels {
    margin-top: 1rem;
}

.social-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    width: 100%;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-weight: 700;
    transition: var(--transition-smooth);
}

.social-btn.whatsapp {
    background-color: #25D366;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.25);
}

.social-btn.whatsapp:hover {
    background-color: #20BA5A;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
}

/* İletişim Formu */
.contact-form-wrapper {
    background-color: #ffffff;
    padding: 3rem 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(60, 110, 87, 0.05);
}

.form-title-box {
    margin-bottom: 2rem;
}

.form-title-box h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.form-title-box p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.form-group {
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

label {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-main);
}

input, select, textarea {
    padding: 0.85rem 1.25rem;
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.95rem;
    background-color: var(--bg-primary);
    color: var(--text-main);
    transition: var(--transition-smooth);
    width: 100%;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(60, 110, 87, 0.1);
    background-color: #ffffff;
}

textarea {
    resize: vertical;
}

.form-message {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.form-message.success {
    display: block;
    background-color: #DEF7EC;
    color: #03543F;
    border: 1px solid #BCF0DA;
}

.form-message.error {
    display: block;
    background-color: #FDE8E8;
    color: #9B1C1C;
    border: 1px solid #FBD5D5;
}

/* Harita */
.map-container {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 6px solid #ffffff;
}

/* 11. Footer */
.site-footer {
    background-color: #121916;
    color: #A3B1AC;
    padding: 6rem 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-container {
    display: grid;
    grid-template-columns: 1.3fr 0.8fr 0.9fr;
    gap: 5rem;
    margin-bottom: 5rem;
}

.footer-about .logo {
    color: #ffffff;
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
}

.footer-about p {
    font-size: 0.95rem;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.footer-socials {
    display: flex;
    gap: 1rem;
}

.footer-socials a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.05);
    color: #ffffff;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-socials a:hover {
    background-color: var(--primary);
}

.footer-links h3, .footer-contact h3 {
    color: #ffffff;
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a:hover {
    color: #ffffff;
    padding-left: 0.25rem;
}

.footer-contact p {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.footer-contact a:hover {
    color: #ffffff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 2rem 0;
}

.footer-bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

.designer-credit {
    opacity: 0.6;
}

/* 12. Floating WhatsApp Widget */
.whatsapp-floating {
    position: fixed;
    right: 2rem;
    bottom: 2rem;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: #ffffff;
    border-radius: var(--radius-full);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 998;
    transition: var(--transition-spring);
    animation: pulseWhatsapp 2s infinite;
}

.whatsapp-floating:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.5);
}

.whatsapp-tooltip {
    position: absolute;
    right: 75px;
    background-color: #121916;
    color: #ffffff;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-md);
}

.whatsapp-floating:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
}

@keyframes pulseWhatsapp {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* 13. Lightbox Modal */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(18, 25, 22, 0.95);
    z-index: 1010;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-content {
    max-width: 85%;
    max-height: 80%;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 70vh;
    border-radius: var(--radius-sm);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    border: 5px solid #ffffff;
    object-fit: contain;
}

.lightbox-caption {
    color: #ffffff;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 1.5rem;
    text-align: center;
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: transparent;
    border: none;
    color: #ffffff;
    font-size: 2.5rem;
    cursor: pointer;
    line-height: 1;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.lightbox-close:hover {
    transform: rotate(90deg);
}

.lightbox-prev, .lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #ffffff;
    font-size: 2rem;
    cursor: pointer;
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.lightbox-prev:hover, .lightbox-next:hover {
    background-color: var(--primary);
}

.lightbox-prev { left: 2rem; }
.lightbox-next { right: 2rem; }

/* 14. Medya Sorguları (Responsive) */
@media (max-width: 1023px) {
    /* Tablet ve Mobil Genel */
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
        padding-top: 8rem;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        height: 380px;
        max-width: 500px;
        margin: 0 auto;
        width: 100%;
    }
    
    .grid-container {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }
    
    .profile-content {
        align-items: center;
        text-align: center;
    }
    
    .profile-features {
        align-items: center;
    }
    
    .profile-action {
        width: 100%;
        display: flex;
        justify-content: center;
    }
    
    .tab-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .tab-visual {
        height: 300px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-container {
        grid-template-columns: 1.2fr 0.8fr 1fr;
        gap: 3rem;
    }
}

@media (max-width: 767px) {
    /* Mobil */
    .site-header {
        background-color: var(--glass-bg);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--glass-border);
        padding: 0.5rem 0;
    }
    
    .header-container {
        padding: 0.5rem 1.5rem;
    }
    
    .hamburger-menu {
        display: flex;
    }
    
    /* Mobil Hamburger Aktif Durum */
    .hamburger-menu.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger-menu.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger-menu.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .nav-menu {
        position: fixed;
        top: 60px;
        left: 100%;
        width: 100%;
        height: calc(100vh - 60px);
        background-color: var(--bg-primary);
        z-index: 999;
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 3rem 1.5rem;
        transition: var(--transition-smooth);
        border-top: 1px solid var(--glass-border);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        gap: 2rem;
        align-items: center;
        width: 100%;
        margin-bottom: 3rem;
    }
    
    .nav-link {
        font-size: 1.2rem;
    }
    
    .nav-cta-mobile {
        display: block;
        width: 100%;
        max-width: 280px;
    }
    
    .header-actions #btn-nav-whatsapp {
        display: none;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .hero-stats {
        gap: 1.5rem;
    }
    
    .stat-num {
        font-size: 1.5rem;
    }
    
    .tabs-nav {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .tab-btn {
        padding: 0.5rem 1rem;
        font-size: 0.95rem;
    }
    
    .tab-btn.active::after {
        bottom: -10px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .contact-form-wrapper {
        padding: 2rem 1.5rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        margin-bottom: 3rem;
    }
    
    .footer-bottom-container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .lightbox-prev, .lightbox-next {
        width: 44px;
        height: 44px;
        font-size: 1.25rem;
    }
    
    .lightbox-prev { left: 0.5rem; }
    .lightbox-next { right: 0.5rem; }
    .lightbox-close { top: 1rem; right: 1rem; }
}
