/* ==========================================================================
   Topak Nakliyat - Tasarım Sistemi & Stil Dosyası
   ========================================================================== */

/* 1. CSS Değişkenleri (Renk Paleti, Tipografi, Geçişler) */
:root {
    --primary-color: #051C3F;      /* Poster Koyu Lacivert */
    --primary-light: #0d2e5c;
    --primary-dark: #020f24;
    --accent-color: #F48C06;       /* Poster Vurgu Turuncu */
    --accent-hover: #E85D04;
    --accent-light: #ffaa3b;
    --bg-dark: #0A192F;            /* Koyu Mod Arka Plan */
    --bg-card: rgba(13, 27, 42, 0.7); /* Cam Efekti Kart Arka Planı */
    --text-light: #F8F9FA;
    --text-muted: #A0AEC0;
    --text-dark: #1A202C;
    --white: #FFFFFF;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-fast: all 0.2s ease-in-out;
    --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

/* 2. Temel Sıfırlamalar */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

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

ul {
    list-style: none;
}

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

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

button, input, select, textarea {
    font-family: inherit;
    outline: none;
    border: none;
}

/* 3. Düzen & Konteyner Yapısı */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 4. Butonlar & Ortak Bileşenler */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(244, 140, 6, 0.4);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(244, 140, 6, 0.6);
}

.btn-3d {
    position: relative;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-color), #ffb703);
    border: none;
    color: var(--white);
    
    /* 3D Derinlik */
    transform-style: preserve-3d;
    transform: perspective(800px) rotateX(10deg) translateY(0);
    box-shadow: 
        0 0 0 1px rgba(244, 140, 6, 0.4),
        0 5px 0 0 #bd6800, /* Kalın 3D alt kenar */
        0 10px 20px 0 rgba(0, 0, 0, 0.4);
    transition: transform 0.15s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.15s ease, background 0.15s ease;
}

.btn-3d:hover {
    transform: perspective(800px) rotateX(5deg) translateY(-2px);
    background: linear-gradient(135deg, var(--accent-hover), var(--accent-light));
    box-shadow: 
        0 0 0 1px rgba(244, 140, 6, 0.5),
        0 7px 0 0 #bd6800,
        0 14px 28px 0 rgba(0, 0, 0, 0.5);
}

.btn-3d:active {
    transform: perspective(800px) rotateX(15deg) translateY(4px);
    box-shadow: 
        0 0 0 1px rgba(244, 140, 6, 0.3),
        0 1px 0 0 #bd6800,
        0 4px 8px 0 rgba(0, 0, 0, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--white);
    transform: translateY(-2px);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.sub-title {
    font-family: var(--font-heading);
    color: var(--accent-color);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.9rem;
    display: inline-block;
    margin-bottom: 10px;
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--white);
    margin-bottom: 15px;
}

.line {
    width: 70px;
    height: 4px;
    background-color: var(--accent-color);
    margin: 0 auto;
    border-radius: 2px;
}

/* 5. Header / Navigasyon */
.header-section {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(10, 25, 47, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition-normal);
}

.header-container {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 2rem;
    color: var(--accent-color);
    animation: truckDrive 3s infinite ease-in-out;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-brand {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: 1px;
    color: var(--white);
}

.logo-sub {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 3px;
    color: var(--accent-color);
}

.nav-menu ul {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1rem;
    color: var(--text-muted);
    position: relative;
    padding: 8px 0;
}

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

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

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

.header-cta {
    display: flex;
    align-items: center;
    gap: 16px;
}

.cta-phone-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    padding: 10px 20px;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--white);
}

.cta-phone-btn i {
    color: var(--accent-color);
    font-size: 1.1rem;
}

.cta-phone-btn:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.cta-phone-btn:hover i {
    color: var(--white);
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--white);
    background: transparent;
    cursor: pointer;
}

/* 6. Hero / Giriş Alanı */
.hero-section {
    padding-top: 140px; /* Header yüksekliğinin çakışmasını engellemek için */
    padding-bottom: 100px;
    background: radial-gradient(circle at 10% 20%, rgba(5, 28, 63, 1) 0%, rgba(10, 25, 47, 1) 90.2%);
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: center;
}

.hero-content {
    z-index: 10;
}

.hero-content .badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(244, 140, 6, 0.1);
    color: var(--accent-color);
    border: 1px solid rgba(244, 140, 6, 0.25);
    padding: 8px 16px;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    margin-bottom: 24px;
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 20px;
}

.hero-content h1 .highlight {
    color: transparent;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    -webkit-background-clip: text;
    background-image: linear-gradient(135deg, var(--accent-color), #ffb703);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.hero-features-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 40px;
}

.hero-feat-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.05rem;
    font-weight: 500;
}

.hero-feat-item i {
    color: var(--accent-color);
    font-size: 1.2rem;
}

.hero-cta-group {
    display: flex;
    gap: 16px;
}

.hero-visual {
    position: relative;
    z-index: 10;
}

.image-wrapper {
    position: relative;
}

.image-wrapper img {
    filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.7));
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.5s;
    border-radius: var(--border-radius-md);
}

.image-wrapper:hover img {
    transform: perspective(1000px) rotateY(0deg);
}

.floating-badge {
    position: absolute;
    bottom: 20px;
    left: -20px;
    background: rgba(5, 28, 63, 0.75);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 16px 24px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 16px;
    animation: float 4s infinite ease-in-out;
}

.fb-number {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent-color);
}

.fb-text {
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.3;
}

.hero-waves {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.hero-waves svg {
    position: relative;
    display: block;
    width: calc(134% + 1.3px);
    height: 60px;
}

.hero-waves .shape-fill {
    fill: var(--bg-dark);
}

/* 7. Hizmetlerimiz Bölümü */
.hizmetler-section {
    padding: 100px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.service-card {
    background-color: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    padding: 40px;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-light));
    opacity: 0;
    transition: var(--transition-fast);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 255, 255, 0.15);
    background-color: rgba(13, 27, 42, 0.95);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 24px;
    display: inline-block;
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* 8. Neden Biz Bölümü */
.neden-biz-section {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(5, 28, 63, 0.5) 100%);
}

.why-us-wrapper {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.why-us-content .desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.feature-item {
    display: flex;
    gap: 20px;
}

.feat-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background-color: rgba(244, 140, 6, 0.1);
    border: 1px solid rgba(244, 140, 6, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--accent-color);
    transition: var(--transition-fast);
}

.feature-item:hover .feat-icon {
    background-color: var(--accent-color);
    color: var(--white);
    transform: scale(1.05);
}

.feat-text h4 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 6px;
}

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

.why-us-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.stat-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 5px;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 9. Müşteri Yorumları Bölümü */
.yorumlar-section {
    padding: 100px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.testimonial-card {
    background-color: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    padding: 35px;
    box-shadow: var(--shadow-sm);
    position: relative;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.avatar {
    width: 50px;
    height: 50px;
    background-color: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--accent-color);
}

.user-info h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
}

.stars {
    display: flex;
    gap: 4px;
    color: #FFB703;
    font-size: 0.85rem;
    margin-top: 4px;
}

.comment-text {
    font-style: italic;
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.comment-date {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.comment-date i {
    color: #4285F4; /* Google Mavi */
}

/* 10. Teklif Formu & İletişim */
.iletisim-section {
    padding: 100px 0;
    background: radial-gradient(circle at 90% 80%, rgba(5, 28, 63, 1) 0%, rgba(10, 25, 47, 1) 90%);
}

.iletisim-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: flex-start;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 40px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    padding: 20px 24px;
    border-radius: var(--border-radius-md);
    transition: var(--transition-fast);
}

.contact-item:hover {
    background-color: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateX(5px);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(244, 140, 6, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--accent-color);
}

.contact-details span {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-details strong {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--white);
}

.contact-socials {
    margin-top: 35px;
}

.contact-socials span {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-muted);
    display: block;
    margin-bottom: 12px;
}

.social-icons {
    display: flex;
    gap: 16px;
}

.social-icons a {
    width: 45px;
    height: 45px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--white);
}

.social-icons a:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--white);
    transform: scale(1.1);
}

/* Teklif Sihirbazı Formu */
.teklif-form-container {
    background: rgba(13, 27, 42, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.teklif-form-container h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 8px;
}

.teklif-form-container p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group label {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--white);
}

.form-group input, 
.form-group select, 
.form-group textarea {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    padding: 14px 18px;
    color: var(--white);
    font-size: 0.95rem;
    width: 100%;
    transition: var(--transition-fast);
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    border-color: var(--accent-color);
    background-color: rgba(255, 255, 255, 0.08);
}

.form-group select option {
    background-color: var(--bg-dark);
    color: var(--white);
}

.btn-submit {
    width: 100%;
    color: var(--white);
    padding: 16px;
    font-size: 1.1rem;
    border-radius: var(--border-radius-sm);
}

.btn-submit.btn-3d {
    background: linear-gradient(135deg, #25D366, #20ba5a);
    box-shadow: 
        0 0 0 1px rgba(37, 211, 102, 0.4),
        0 5px 0 0 #128C7E, /* Yeşil 3D Kenar */
        0 10px 20px 0 rgba(0, 0, 0, 0.4);
}

.btn-submit.btn-3d:hover {
    background: linear-gradient(135deg, #20ba5a, #34e073);
    box-shadow: 
        0 0 0 1px rgba(37, 211, 102, 0.5),
        0 7px 0 0 #128C7E,
        0 14px 28px 0 rgba(0, 0, 0, 0.5);
}

.btn-submit.btn-3d:active {
    transform: perspective(800px) rotateX(15deg) translateY(4px);
    box-shadow: 
        0 0 0 1px rgba(37, 211, 102, 0.3),
        0 1px 0 0 #128C7E,
        0 4px 8px 0 rgba(0, 0, 0, 0.3);
}

/* 11. Footer */
.footer-section {
    background-color: var(--primary-dark);
    border-top: 1px solid var(--glass-border);
    padding-top: 80px;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 60px;
}

.footer-brand .logo-area {
    margin-bottom: 24px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

.footer-links h4, 
.footer-contact h4 {
    font-family: var(--font-heading);
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 24px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--accent-color);
    transform: translateX(5px);
}

.footer-contact p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-contact p i {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 30px 0;
}

.footer-bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* 12. Floating Elements */
.whatsapp-floating-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    z-index: 999;
    animation: pulse 2s infinite;
}

.whatsapp-floating-btn:hover {
    background-color: #128C7E;
    transform: scale(1.1);
}

/* 13. Animasyonlar */
@keyframes float {
    0% { transform: translateY(0px) translateX(-20px); }
    50% { transform: translateY(-10px) translateX(-20px); }
    100% { transform: translateY(0px) translateX(-20px); }
}

@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

@keyframes truckDrive {
    0% { transform: translateX(0px); }
    40% { transform: translateX(4px); }
    50% { transform: translateX(-2px); }
    60% { transform: translateX(2px); }
    100% { transform: translateX(0px); }
}

/* ==========================================================================
   Responsive Tasarım / Mobil Uyum (Breakpoints)
   ========================================================================== */

/* Tablet & Küçük Masaüstü (1024px) */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 50px;
    }
    
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-features-grid {
        align-items: center;
    }
    
    .hero-visual {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .floating-badge {
        left: 0;
        bottom: -10px;
    }
    
    .why-us-wrapper {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .iletisim-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}

/* Mobil Cihazlar (768px) */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--bg-dark);
        border-top: 1px solid var(--glass-border);
        transition: var(--transition-normal);
        padding: 40px;
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }
    
    .nav-link {
        font-size: 1.25rem;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .header-cta .cta-phone-btn {
        display: none; /* Mobilde sadece hamburger veya float button yeterli */
    }
    
    .hero-content h1 {
        font-size: 2.4rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .why-us-stats {
        grid-template-columns: 1fr;
    }
    
    .teklif-form-container {
        padding: 24px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom-container {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .whatsapp-floating-btn {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.7rem;
    }
}