/* CKC Muhasebe Ana Tasarım Dosyası */
:root {
    --primary: #0f172a; /* Derin Lacivert */
    --primary-light: #1e293b;
    --gold: #d4af37; /* Altın Sarısı */
    --gold-hover: #b5952f;
    --text-main: #334155;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --white: #ffffff;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
    scroll-behavior: smooth;
}

body {
    color: var(--text-main);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Playfair Display', serif;
    color: var(--primary);
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.text-center { text-align: center; }
.gold-text { color: var(--gold); }
.bg-light { background-color: var(--bg-light); }

/* --- BUTTONS --- */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 4px;
    font-size: 15px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
}
.btn-primary:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.2);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline:hover {
    background-color: var(--primary);
    color: var(--white);
}

.btn-gold {
    background-color: var(--gold);
    color: var(--primary);
}
.btn-gold:hover {
    background-color: var(--gold-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.3);
}

.w-100 { width: 100%; }

/* --- NAVBAR --- */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    padding: 20px 0;
    transition: var(--transition);
}

nav.scrolled {
    padding: 12px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-family: 'Playfair Display', serif;
    font-size: 24px;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: 0.5px;
}
.logo-bold {
    font-weight: 700;
    color: var(--gold);
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-main);
    transition: var(--transition);
}

.nav-links a:hover, .nav-links a.active {
    color: var(--gold);
}

.nav-btn {
    background-color: var(--primary);
    color: var(--white) !important;
    padding: 10px 20px;
    border-radius: 4px;
}
.nav-btn:hover {
    background-color: var(--gold);
    color: var(--primary) !important;
}

.hamburger {
    display: none;
    font-size: 24px;
    color: var(--primary);
    cursor: pointer;
}

/* --- HERO SECTION --- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    background-color: var(--primary);
    background-image: linear-gradient(135deg, rgba(15,23,42,0.95) 0%, rgba(30,41,59,0.8) 100%), url('https://images.unsplash.com/photo-1554224155-8d04cb21cd6c?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    color: var(--white);
    padding-top: 80px;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 0 20px;
}

.badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(212, 175, 55, 0.2);
    color: var(--gold);
    border: 1px solid var(--gold);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 56px;
    line-height: 1.2;
    color: var(--white);
    margin-bottom: 24px;
}

.hero p {
    font-size: 18px;
    color: #e2e8f0;
    margin-bottom: 40px;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.hero .btn-outline {
    color: var(--white);
    border-color: var(--white);
}
.hero .btn-outline:hover {
    background-color: var(--white);
    color: var(--primary);
}

/* --- SECTIONS COMMON --- */
.section {
    padding: 100px 0;
}

.section-title {
    margin-bottom: 40px;
}

.section-title h4 {
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    color: var(--gold);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-title h2 {
    font-size: 40px;
    line-height: 1.2;
}

/* --- ABOUT SECTION --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text p {
    margin-bottom: 20px;
}

.stats {
    display: flex;
    gap: 30px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #e2e8f0;
}

.stat-item h3 {
    font-size: 32px;
    color: var(--primary);
    margin-bottom: 4px;
}
.stat-item p {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
}

.about-image {
    position: relative;
    border-radius: 8px;
    background: var(--bg-light);
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.image-placeholder {
    text-align: center;
    color: var(--primary-light);
}
.image-placeholder i {
    font-size: 64px;
    margin-bottom: 16px;
    color: var(--gold);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--primary);
    color: var(--gold);
    width: 140px;
    height: 140px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-family: 'Playfair Display', serif;
    font-size: 20px;
    font-weight: 700;
    border: 10px solid var(--white);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* --- SERVICES SECTION --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.03);
    transition: var(--transition);
    border-bottom: 3px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.08);
    border-color: var(--gold);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: rgba(212, 175, 55, 0.1);
    color: var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    border-radius: 8px;
    margin-bottom: 24px;
    transition: var(--transition);
}

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

.service-card h3 {
    font-size: 20px;
    margin-bottom: 16px;
}
.service-card p {
    font-size: 14px;
    color: var(--text-light);
}

/* --- TOOLS SECTION --- */
.gradient-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
}

.gradient-section h2 {
    color: var(--white);
    margin-bottom: 20px;
}

.gradient-section p {
    color: #e2e8f0;
    max-width: 600px;
    margin: 0 auto 50px;
}

.tool-banner {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 50px;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.tool-badge {
    display: inline-block;
    padding: 4px 10px;
    background: var(--gold);
    color: var(--primary);
    font-size: 11px;
    font-weight: 700;
    border-radius: 4px;
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.tool-banner h3 {
    color: var(--gold);
    font-size: 28px;
    margin-bottom: 16px;
}

.tool-banner p {
    margin-bottom: 30px;
}

/* --- CONTACT SECTION --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-details {
    list-style: none;
    margin-top: 40px;
}

.contact-details li {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-details i {
    width: 50px;
    height: 50px;
    background: var(--bg-light);
    color: var(--gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.contact-details strong {
    display: block;
    color: var(--primary);
    margin-bottom: 4px;
    font-size: 16px;
}
.contact-details span, .contact-details a {
    color: var(--text-light);
    font-size: 15px;
    transition: var(--transition);
}
.contact-details a:hover {
    color: var(--gold);
}
.contact-details small {
    display: block;
    color: #94a3b8;
    margin-top: 4px;
}

.contact-form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.05);
}

.contact-form h3 {
    margin-bottom: 24px;
    font-size: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 8px;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    transition: var(--transition);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.form-note {
    font-size: 12px;
    color: #94a3b8;
    margin-top: 16px;
    text-align: center;
}

/* --- FOOTER --- */
footer {
    background: var(--primary);
    color: var(--white);
}

.footer-content {
    padding: 60px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo h2 {
    color: var(--white);
    font-size: 24px;
    margin-bottom: 8px;
}
.footer-logo span {
    color: var(--gold);
}
.footer-logo p {
    color: #94a3b8;
    font-size: 14px;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}
.footer-social a:hover {
    background: var(--gold);
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding: 20px;
    font-size: 13px;
    color: #94a3b8;
}

/* --- YUKARI ÇIK BUTONU --- */
#scrollToTopBtn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--gold);
    color: var(--primary);
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    z-index: 99;
}

#scrollToTopBtn.visible {
    opacity: 1;
    pointer-events: all;
}
#scrollToTopBtn:hover {
    transform: translateY(-5px);
}

/* --- FAYDALI LİNKLER --- */
.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 20px;
    margin-top: 40px;
}
.link-card {
    background: var(--white);
    border: 1px solid #e2e8f0;
    padding: 30px 15px;
    border-radius: 8px;
    text-align: center;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}
.link-card:hover {
    border-color: var(--gold);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}
.link-card i {
    font-size: 32px;
    color: var(--primary-light);
    margin-bottom: 15px;
    transition: var(--transition);
}
.link-card:hover i {
    color: var(--gold);
}
.link-card strong {
    font-size: 14px;
    color: var(--primary);
}

/* --- VIP ÖZELLİKLER (TICKER, WHATSAPP, FAQ) --- */
.news-ticker {
    width: 100%;
    background: var(--gold);
    color: var(--primary);
    overflow: hidden;
    padding: 8px 0;
    font-size: 13px;
    font-weight: 700;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1001;
}

.ticker-content {
    display: inline-block;
    white-space: nowrap;
    animation: ticker 25s linear infinite;
}

.ticker-item {
    display: inline-block;
    padding: 0 40px;
}

@keyframes ticker {
    0% { transform: translateX(100vw); }
    100% { transform: translateX(-100%); }
}



.whatsapp-float {
    position: fixed;
    width: 35px;
    height: 35px;
    bottom: 30px;
    left: 30px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 18px;
    box-shadow: 2px 2px 8px rgba(0,0,0,0.3);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s, transform 0.3s;
    animation: pulse-wa 2s infinite;
    text-decoration: none;
    cursor: grab;
}
.whatsapp-float:active {
    cursor: grabbing;
}

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

@keyframes pulse-wa {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.faq-item {
    background: var(--white);
    margin-bottom: 15px;
    border-radius: 6px;
    border: 1px solid #e2e8f0;
    overflow: hidden;
    transition: var(--transition);
}
.faq-question {
    width: 100%;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: transparent;
    border: none;
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    cursor: pointer;
    text-align: left;
    transition: var(--transition);
}
.faq-question:hover {
    color: var(--gold);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
    background: var(--bg-light);
}
.faq-answer p {
    padding: 0 20px 20px;
    color: var(--text-main);
    font-size: 14px;
}
.faq-item.active .faq-answer {
    max-height: 500px;
}
.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

/* --- ANIMATIONS & RESPONSIVE --- */
.fade-in-left { opacity: 0; transform: translateX(-30px); transition: 0.8s ease-out; }
.fade-in-right { opacity: 0; transform: translateX(30px); transition: 0.8s ease-out; }
.fade-up { opacity: 0; transform: translateY(30px); transition: 0.8s ease-out; }

.fade-in-left.appear, .fade-in-right.appear, .fade-up.appear {
    opacity: 1;
    transform: translate(0);
}

@media (max-width: 992px) {
    .hero h1 { font-size: 42px; }
    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
    }
    .about-image { margin-top: 40px; }
}

@media (max-width: 768px) {
    .hamburger { display: block; }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: -100%;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 40px 20px;
        box-shadow: 0 10px 10px rgba(0,0,0,0.1);
        transition: 0.4s;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .hero h1 { font-size: 36px; }
    .hero-buttons { flex-direction: column; }
    
    .section { padding: 60px 0; }
    .footer-content { flex-direction: column; text-align: center; gap: 30px; }
}