:root {
    /* Corporate Light Theme Palette */
    --bg-surface: #f1f5f9; /* Soft light gray for background */
    --bg-surface-light: #ffffff; /* Pure white for cards */
    --primary: #0f4c81; /* Corporate Trust Blue (Classic Blue) */
    --primary-glow: rgba(15, 76, 129, 0.15);
    --secondary: #1e293b; /* Dark Slate for contrast */
    --accent: #d97706; /* Subtle Amber/Gold accent */
    
    --text-main: #0f172a; /* Near black for readability */
    --text-muted: #475569; /* Gray for secondary text */
    
    --glass-bg: #ffffff; /* Solid white instead of glass for corporate feel */
    --glass-border: #e2e8f0;
    --glass-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    
    /* Typography */
    --font-family: 'Outfit', sans-serif;
    
    /* Spacing & Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(2deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

/* Dynamic Background Blobs - Made very subtle and clean for corporate look */
.blob-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: var(--bg-surface);
}

.blob {
    position: absolute;
    filter: blur(100px);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 25s infinite ease-in-out alternate;
}

.shape-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: #bae6fd; /* Light sky blue */
}

.shape-2 {
    bottom: -10%;
    right: -10%;
    width: 40vw;
    height: 40vw;
    background: #e2e8f0; /* Soft slate */
    animation-delay: -5s;
}

.shape-3 {
    top: 40%;
    left: 40%;
    width: 30vw;
    height: 30vw;
    background: #f1f5f9;
    opacity: 0.5;
    animation-delay: -10s;
}

/* Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 8px; /* Sharper corners for corporate feel */
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-fast);
    cursor: pointer;
    border: none;
    font-family: var(--font-family);
    font-size: 1rem;
    text-align: center;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 10px var(--primary-glow);
}

.btn-primary:hover {
    background: #0d406d; /* Darker primary */
    transform: translateY(-2px);
    box-shadow: 0 6px 15px var(--primary-glow);
}

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

.btn-secondary:hover {
    background: #f0f7ff;
    transform: translateY(-2px);
}

/* Header */
.glass-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition-fast);
    box-shadow: var(--glass-shadow);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.brand-logo {
    height: 80px;
    width: auto;
    object-fit: contain;
    mix-blend-mode: multiply;
    transform: scale(1.5);
    transform-origin: left center;
    margin-left: 15px;
}

.logo-icon {
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a:not(.btn-primary) {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a:not(.btn-primary):hover {
    color: var(--primary);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 30px;
    height: 2px;
    background: var(--text-main);
    transition: var(--transition-fast);
}

/* Sections */
main {
    padding-top: 100px;
}

.target-section {
    padding: 6rem 0;
}

/* Hero */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(to bottom, #ffffff 0%, #f1f5f9 100%);
    border-bottom: 1px solid var(--glass-border);
}

.hero-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 4rem;
    text-align: left;
}

.hero-text {
    flex: 1;
    max-width: 600px;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: #e0f2fe;
    border: 1px solid #bae6fd;
    border-radius: 50px;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
    color: var(--text-main);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 650px;
    margin-inline: 0;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: flex-start;
}

.hero-image {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-wrapper {
    position: relative;
    border-radius: 24px;
    padding: 1rem;
    background: #ffffff;
    box-shadow: 0 20px 40px -10px rgba(15, 76, 129, 0.15);
}

.main-hero-img {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 16px;
    object-fit: cover;
    display: block;
}

.floating-badge {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    padding: 1rem 1.5rem;
    border-radius: 50px;
    box-shadow: 0 10px 25px -5px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    color: var(--primary);
    animation: float 6s infinite ease-in-out alternate;
}

.floating-badge .icon {
    font-size: 1.5rem;
}

.badge-1 {
    top: 10%;
    left: -10%;
    animation-delay: 0s;
}

.badge-2 {
    bottom: 15%;
    right: -10%;
    animation-delay: -3s;
}

/* Glass Cards -> become Solid Corporate Cards */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px; /* Less rounded for corporate feel */
    padding: 2.5rem;
    box-shadow: var(--glass-shadow);
    transition: var(--transition-smooth);
}

/* Services */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--secondary);
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.15rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.service-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    border-color: #bae6fd;
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background: #f8fafc;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--primary);
}

.service-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--secondary);
}

.service-card p {
    color: var(--text-muted);
    flex-grow: 1;
}

.learn-more {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    margin-top: 1rem;
    transition: var(--transition-fast);
}

.service-card:hover .learn-more {
    transform: translateX(5px);
}

/* Call to Action */
.cta-card {
    background: var(--primary);
    border-radius: 16px;
    padding: 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    color: white;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg width="20" height="20" xmlns="http://www.w3.org/2000/svg"><circle cx="2" cy="2" r="2" fill="rgba(255,255,255,0.05)"/></svg>');
    z-index: 0;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.cta-content p {
    color: #e0f2fe;
    font-size: 1.15rem;
    margin-bottom: 3rem;
}

.cta-form {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
}

.cta-form input,
.cta-form select {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    background: #ffffff;
    border: 1px solid #ffffff;
    color: var(--text-main);
    font-family: var(--font-family);
    font-size: 1rem;
    outline: none;
    transition: var(--transition-fast);
    flex: 1;
    min-width: 200px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.cta-form input:focus,
.cta-form select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.2);
}

.cta-form button.btn-primary {
    background: var(--accent);
    color: white;
    box-shadow: none;
}
.cta-form button.btn-primary:hover {
    background: #b45309;
}

/* Footer */
.footer {
    background: var(--secondary);
    color: #f8fafc;
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: #94a3b8;
    margin-top: 1.5rem;
    max-width: 320px;
}

.footer h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: #ffffff;
    font-weight: 600;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-links a {
    color: #cbd5e1;
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: #ffffff;
    padding-left: 5px;
}

.footer-contact p {
    color: #cbd5e1;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #94a3b8;
    font-size: 0.9rem;
}

/* Form Multi-Step Specific Styles */
.form-container {
    max-width: 800px;
    margin: 4rem auto;
}

.progress-bar {
    display: flex;
    justify-content: space-between;
    margin-bottom: 3rem;
    position: relative;
}

.progress-bar::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 100%;
    height: 4px;
    background: var(--glass-border);
    z-index: 1;
}

.progress-step {
    width: 40px;
    height: 40px;
    background: #ffffff;
    border: 2px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--text-muted);
    position: relative;
    z-index: 2;
    transition: var(--transition-smooth);
}

.progress-step.active {
    border-color: var(--primary);
    background: var(--primary);
    color: white;
    box-shadow: 0 0 0 5px var(--primary-glow);
}

.progress-step.completed {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.step-content {
    display: none;
    animation: fadeIn 0.5s ease-out;
}

.step-content.active {
    display: block;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    font-family: var(--font-family);
    font-size: 1rem;
    background: #ffffff;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-actions {
    display: flex;
    justify-content: space-between;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
}

/* Floating Social Buttons */
.floating-social {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 9999;
}

.floating-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    transition: var(--transition-smooth);
}

.floating-btn:hover {
    transform: translateY(-8px) scale(1.05);
}

.btn-whatsapp {
    background-color: #25D366;
}
.btn-whatsapp:hover {
    background-color: #128C7E;
    box-shadow: 0 15px 30px rgba(37, 211, 102, 0.4);
}

.btn-instagram {
    background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%);
}
.btn-instagram:hover {
    box-shadow: 0 15px 30px rgba(214, 36, 159, 0.4);
}

.floating-btn svg {
    width: 32px;
    height: 32px;
    fill: currentColor;
}

/* Footer Logo specific fix */
.footer .logo {
    background: #ffffff;
    padding: 10px 15px;
    border-radius: 12px;
    display: inline-flex;
    overflow: hidden;
}
.footer .brand-logo {
    height: 60px;
    mix-blend-mode: normal;
    transform: scale(1.6);
    transform-origin: center;
    margin: 0;
    background: transparent;
    padding: 0;
}

@media (max-width: 992px) {
    .hero h1 { font-size: 3rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    
    .hero-content {
        flex-direction: column;
        text-align: center;
        margin-top: 2rem;
    }
    .hero-text { margin-inline: auto; max-width: 700px; }
    .hero-text p { margin-inline: auto; }
    .hero-actions { justify-content: center; }
    .badge-1 { left: -5%; top: 5%; }
    .badge-2 { right: -5%; bottom: 5%; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: flex; }
    .hero h1 { font-size: 2.2rem; }
    .hero-actions { flex-direction: column; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .cta-card { padding: 2rem; }
    .image-wrapper { padding: 0.5rem; }
    .floating-badge { padding: 0.5rem 1rem; font-size: 0.9rem; }
    .floating-badge .icon { font-size: 1.2rem; }
}

/* Form doğrulama hataları */
.form-group input.input-error,
.form-group select.input-error,
.form-group textarea.input-error {
    border-color: #ef4444 !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}
.form-group .field-error {
    color: #ef4444;
    font-size: 0.82rem;
    margin-top: 0.35rem;
    font-weight: 500;
    line-height: 1.3;
}
.form-group input[type="date"] {
    font-family: inherit;
}