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

/* Typography fixes for Turkish characters */
h1, h2, h3, h4, h5, h6, p, span, div, a, button {
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    padding-top: 2px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.7;
    color: #0f172a;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    min-height: 100vh;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(135deg, rgba(15, 23, 42, 0.02) 0%, rgba(30, 41, 59, 0.02) 100%),
        radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.04) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Header & Navigation */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    color: #0f172a;
    padding: 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.1), 0 1px 2px rgba(15, 23, 42, 0.06);
}

nav {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 1rem 3%;
    max-width: 1400px;
    margin: 0 auto;
    gap: 2rem;
}

.logo {
    font-size: 1.6rem;
    font-weight: 800;
    color: #0f172a;
    text-decoration: none;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-right: auto;
    transition: all 0.3s ease;
}

.logo:hover {
    background: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    color: #64748b;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.6rem 1.2rem;
    border-radius: 12px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    white-space: nowrap;
    position: relative;
    letter-spacing: -0.01em;
}

.nav-menu a:hover {
    color: #0f172a;
    background: rgba(59, 130, 246, 0.08);
    border-color: rgba(59, 130, 246, 0.2);
    transform: translateY(-1px);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
    color: #1a1a1a;
    padding: 0.5rem;
}

/* Right side navigation container */
.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 0.3rem;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.5rem 0.8rem;
    border: 1px solid rgba(226, 232, 240, 0.8);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-radius: 8px;
    color: #64748b;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.8rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.lang-btn:hover {
    background: rgba(59, 130, 246, 0.08);
    border-color: rgba(59, 130, 246, 0.2);
    color: #0f172a;
    transform: translateY(-1px);
}

.lang-btn.active {
    background: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
    border-color: #3b82f6;
    color: white;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.25);
}

.lang-btn .flag {
    font-size: 0.9rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: #1f2937;
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: #4b5563;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
    padding: 0.75rem 1.25rem;
    border-radius: 6px;
    font-size: 0.95rem;
}

.nav-menu a:hover {
    color: #1f2937;
    background-color: #f3f4f6;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: #4b5563;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

/* Main Content */
main {
    margin-top: 80px;
}

.page {
    display: none;
    min-height: calc(100vh - 80px);
    padding: 3rem 5%;
    max-width: 1400px;
    margin: 0 auto;
    background: white;
    border-radius: 24px;
    margin-top: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.page.active {
    display: block;
    animation: fadeInSlide 0.6s ease forwards;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    color: white;
    padding: 8rem 5%;
    text-align: center;
    margin: -3rem -5% 5rem -5%;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 20%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(99, 102, 241, 0.12) 0%, transparent 50%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, transparent 100%);
}

.hero > * {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
    color: #ffffff;
    text-shadow: 0 2px 40px rgba(0,0,0,0.4);
    letter-spacing: -0.03em;
    line-height: 1.15;
    padding-top: 4px;
    padding-bottom: 4px;
    background: linear-gradient(135deg, #ffffff 0%, #e2e8f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 3.5rem;
    opacity: 0;
    animation: fadeInUp 1s ease 0.3s forwards;
    color: #cbd5e1;
    font-weight: 400;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 3.5rem;
    line-height: 1.6;
}

.cta-button {
    background: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
    color: white;
    padding: 1.2rem 3rem;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0;
    animation: fadeInUp 1s ease 0.6s forwards;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
    position: relative;
    overflow: hidden;
    letter-spacing: -0.01em;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    background: linear-gradient(135deg, #1e40af 0%, #4338ca 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.4);
}

/* Cards */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
}

.card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.1), 0 1px 2px rgba(15, 23, 42, 0.06);
    transition: all 0.4s ease;
    border: 1px solid rgba(226, 232, 240, 0.8);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.card:hover::before {
    transform: scaleX(1);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.1), 0 4px 10px rgba(15, 23, 42, 0.06);
    border-color: rgba(59, 130, 246, 0.2);
    background: rgba(255, 255, 255, 0.95);
}

.card h3 {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.card p {
    margin-bottom: 1.5rem;
    color: #64748b;
    line-height: 1.7;
    font-size: 0.95rem;
}

.card-price {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 1.5rem 0;
    letter-spacing: -0.01em;
}

.card ul {
    list-style: none;
    margin: 1.5rem 0;
}

.card ul li {
    padding: 0.7rem 0;
    color: #6b7280;
    position: relative;
    padding-left: 2rem;
    font-size: 0.95rem;
}

.card ul li::before {
    content: "✓";
    color: #10b981;
    font-weight: bold;
    position: absolute;
    left: 0;
    top: 0.7rem;
    width: 24px;
    height: 24px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}

/* Sections */
.section-title {
    font-size: 2.8rem;
    text-align: center;
    margin: 5rem 0 3rem 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.25;
    padding-top: 4px;
    padding-bottom: 4px;
}

.section-content {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2.5rem;
    color: #64748b;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 2.5rem;
}

/* Contact Form */
.contact-form {
    background: white;
    padding: 3.5rem;
    border-radius: 24px;
    box-shadow: 0 15px 50px rgba(0,0,0,0.08);
    max-width: 700px;
    margin: 0 auto;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.8rem;
    font-weight: 600;
    color: #374151;
    font-size: 1rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #fafbfc;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #6366f1;
    background: white;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.submit-btn {
    background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    color: white;
    padding: 1.25rem 2rem;
    border: none;
    border-radius: 16px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    font-family: inherit;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.submit-btn:hover::before {
    left: 100%;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(99, 102, 241, 0.3);
}

/* Footer */
footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white;
    text-align: center;
    padding: 4rem 5%;
    margin-top: 5rem;
    border-radius: 20px 20px 0 0;
    border-top: 1px solid rgba(226, 232, 240, 0.1);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: #cbd5e1;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    position: relative;
    font-size: 0.95rem;
}

.footer-links a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.footer-links a:hover::before {
    width: 100%;
}

.footer-links a:hover {
    color: #6366f1;
    transform: translateY(-2px);
}

/* Blog Section */
.blog-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
    transition: all 0.4s ease;
    border: 1px solid rgba(99, 102, 241, 0.1);
    position: relative;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.12);
}

.blog-card-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
}

.blog-card-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.1) 100%);
    z-index: 1;
}

.blog-card-emoji {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    z-index: 2;
    filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.3));
}

.blog-card-content {
    padding: 2rem;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    color: #6b7280;
}

.blog-card-category {
    background: rgba(99, 102, 241, 0.1);
    color: #6366f1;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-weight: 500;
    font-size: 0.8rem;
}

.blog-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1f2937;
    line-height: 1.4;
}

.blog-card p {
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.blog-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.read-more-btn {
    color: #6366f1;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.read-more-btn:hover {
    background: #6366f1;
    color: white;
    transform: translateX(2px);
}

.read-time {
    color: #9ca3af;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin: 4rem 0 2rem 0;
}

.pagination-btn {
    background: white;
    color: #6366f1;
    border: 2px solid #6366f1;
    padding: 0.75rem 1.25rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    font-size: 0.95rem;
}

.pagination-btn:hover {
    background: #6366f1;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.pagination-btn.active {
    background: #6366f1;
    color: white;
}

.pagination-btn:disabled {
    background: #f3f4f6;
    color: #9ca3af;
    border-color: #d1d5db;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.pagination-info {
    color: #6b7280;
    font-size: 0.9rem;
    margin: 0 1rem;
}

/* Blog page specific */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.blog-page-content {
    display: none;
}

.blog-page-content.active {
    display: block;
}

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

@keyframes fadeInSlide {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.card:nth-child(odd) {
    animation: float 6s ease-in-out infinite;
}

.card:nth-child(even) {
    animation: float 6s ease-in-out infinite reverse;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 2rem 0;
        gap: 0;
        border-radius: 0 0 20px 20px;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 1rem 0;
    }

    .nav-menu a {
        color: #333;
    }

    .nav-right {
        gap: 0.5rem;
    }

    .language-switcher {
        gap: 0.2rem;
    }

    .lang-btn {
        padding: 0.3rem 0.5rem;
        font-size: 0.7rem;
        border-radius: 12px;
    }

    .lang-btn .flag {
        font-size: 0.8rem;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .cards-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    nav {
        padding: 1rem 3%;
    }

    .page {
        padding: 2rem 3%;
        margin: 1rem;
        border-radius: 15px;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .contact-form {
        padding: 2rem;
    }

    .hero {
        padding: 4rem 3%;
        border-radius: 15px;
    }
}

/* Additional mobile optimizations */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .card {
        padding: 1.5rem;
    }

    .section-title {
        font-size: 1.8rem;
    }
}