/* ===== CSS Variables ===== */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #ec4899;
    --accent: #f59e0b;
    --dark: #1e1b4b;
    --dark-light: #312e81;
    --light: #f8fafc;
    --white: #ffffff;
    --gray: #64748b;
    --gray-light: #e2e8f0;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-alt: linear-gradient(135deg, var(--accent) 0%, var(--secondary) 100%);
    --shadow: 0 10px 40px rgba(99, 102, 241, 0.2);
    --shadow-sm: 0 4px 15px rgba(99, 102, 241, 0.1);
    --radius: 16px;
    --radius-sm: 8px;
}

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--light);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* ===== WhatsApp Floating Button ===== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-icon {
    font-size: 2rem;
}

.whatsapp-float::before {
    content: 'WhatsApp ile yazın';
    position: absolute;
    right: 70px;
    background: #fff;
    color: #333;
    padding: 8px 15px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.whatsapp-float:hover::before {
    opacity: 1;
}

@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 90px;
        right: 20px;
    }
    
    .whatsapp-float::before {
        display: none;
    }
}

/* ===== Language Switcher ===== */
.lang-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    gap: 8px;
    background: var(--white);
    padding: 8px;
    border-radius: 30px;
    box-shadow: var(--shadow-sm);
}

.lang-btn {
    padding: 8px 16px;
    border: none;
    background: transparent;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    color: var(--gray);
    transition: all 0.3s ease;
}

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

.lang-btn.active {
    background: var(--gradient);
    color: var(--white);
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--dark);
}

.logo-icon {
    font-size: 1.8rem;
}

.logo-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    font-weight: 500;
    color: var(--gray);
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s ease;
}

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

.nav-links a:hover::after {
    width: 100%;
}

.cta-btn {
    padding: 12px 28px;
    background: var(--gradient);
    color: var(--white);
    border: none;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    background: linear-gradient(180deg, var(--white) 0%, var(--light) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-title .highlight {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 50px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background: var(--white);
    color: var(--dark);
    border: 2px solid var(--gray-light);
}

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

.hero-visual {
    position: relative;
    height: 400px;
}

.floating-card {
    position: absolute;
    background: var(--white);
    padding: 20px 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    font-weight: 700;
    font-size: 1.2rem;
    animation: float 3s ease-in-out infinite;
}

.card-1 {
    top: 20%;
    left: 10%;
    color: var(--primary);
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: 10%;
    color: var(--secondary);
    animation-delay: 0.5s;
}

.card-3 {
    bottom: 20%;
    left: 30%;
    color: var(--accent);
    animation-delay: 1s;
}

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

/* ===== Stats Section ===== */
.stats {
    background: var(--dark);
    padding: 60px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

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

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

/* ===== Section Styles ===== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 15px;
}

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

/* ===== About Section ===== */
.about {
    padding: 100px 0;
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.about-card {
    padding: 30px;
    background: var(--light);
    border-radius: var(--radius);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.about-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    display: block;
}

.about-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.about-card p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* ===== Services Section ===== */
.services {
    padding: 100px 0;
    background: var(--light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.service-card.featured {
    background: var(--gradient);
    color: var(--white);
}

.service-card.featured .service-icon,
.service-card.featured h3,
.service-card.featured p,
.service-card.featured li {
    color: var(--white);
}

.service-card.featured .service-list li::before {
    background: rgba(255, 255, 255, 0.3);
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--gray);
    margin-bottom: 20px;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray);
}

.service-list li::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    flex-shrink: 0;
}

.service-card.featured .service-list li {
    color: rgba(255, 255, 255, 0.9);
}

/* ===== Process Section ===== */
.process {
    padding: 100px 0;
    background: var(--white);
}

.process-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.step {
    text-align: center;
    padding: 30px;
    background: var(--light);
    border-radius: var(--radius);
    width: 200px;
}

.step-number {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.step h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.step p {
    color: var(--gray);
    font-size: 0.9rem;
}

.step-arrow {
    font-size: 2rem;
    color: var(--primary);
    font-weight: 700;
}

/* ===== Contact Section ===== */
.contact {
    padding: 100px 0;
    background: var(--dark);
    color: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.contact .section-badge {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.contact .section-title {
    color: var(--white);
}

.contact-desc {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 30px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    color: rgba(255, 255, 255, 0.8);
}

.contact-item a {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s ease;
}

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

.contact-icon {
    font-size: 1.2rem;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 30px;
    font-weight: 500;
    transition: background 0.3s ease;
    color: rgba(255, 255, 255, 0.8);
}

.social-link:hover {
    background: var(--primary);
    color: var(--white);
}

/* ===== CTA Box ===== */
.contact-cta {
    display: flex;
    justify-content: center;
    align-items: center;
}

.cta-box {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    padding: 50px 40px;
    border-radius: 24px;
    text-align: center;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.3);
}

.cta-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.cta-box h3 {
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 15px;
}

.cta-box p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 25px;
    font-size: 1rem;
}

.btn-large {
    padding: 18px 35px;
    font-size: 1.1rem;
}

.cta-note {
    margin-top: 15px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
}

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

.form-group label {
    display: block;
    color: var(--dark);
    font-weight: 500;
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.btn-full {
    width: 100%;
}

/* ===== Footer ===== */
.footer {
    background: var(--dark-light);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

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

.footer-brand .logo-text {
    font-size: 1.3rem;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.6);
    margin-top: 10px;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-desc {
        margin: 0 auto 30px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-steps {
        flex-wrap: wrap;
    }

    .step-arrow {
        display: none;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .lang-switcher {
        top: auto;
        bottom: 20px;
        right: 20px;
    }
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.about-card,
.service-card,
.step {
    animation: fadeInUp 0.6s ease forwards;
}

.about-card:nth-child(2),
.service-card:nth-child(2),
.step:nth-child(2) {
    animation-delay: 0.1s;
}

.about-card:nth-child(3),
.service-card:nth-child(3),
.step:nth-child(3) {
    animation-delay: 0.2s;
}

.about-card:nth-child(4),
.service-card:nth-child(4),
.step:nth-child(4) {
    animation-delay: 0.3s;
}