/* style.css */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #374151;
    background-color: #f9fafb;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    line-height: 1.5;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Utility Classes */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background-color: #4f46e5;
    color: white;
}

.btn-primary:hover {
    background-color: #3730a3;
    transform: translateY(-2px);
}

.btn-accent {
    background-color: #f59e0b;
    color: white;
}

.btn-accent:hover {
    background-color: #d97706;
    transform: translateY(-2px);
}

/* Header & Navbar */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
    padding: 0 1.5rem;
}
/* Logo kapsayıcı */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Logo alanı – doğrudan logo görseli göster */
.logo-icon{
  /* Increase logo size for better visibility */
  width: 3rem;
  height: 3rem;

  /* Sitenin gradienti: sabit renk yok, akış var */
  background: linear-gradient(-45deg, #4B1E3A, #764ba2, #f093fb, #f5576c);
  background-size: 400% 400%;
  animation: backgroundShift 15s ease infinite;

  /* Mask – şeffaf PNG kullan (beyaz arka planı gizler) */
  -webkit-mask-image: url('/images/logo_transparent.png');
          mask-image: url('/images/logo_transparent.png');
  -webkit-mask-repeat: no-repeat;
          mask-repeat: no-repeat;
  -webkit-mask-position: center;
          mask-position: center;
  -webkit-mask-size: contain;
          mask-size: contain;

  /* Görünür kutu ve renk olmaması için */
  border-radius: 0;
  display: block;
  color: transparent;
}


/* Animasyon (tek bir @keyframes tanımı yeterli) */
@keyframes backgroundShift {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Logo metni */
.logo-text {
    font-family: 'Playfair Display', serif;
    font-size: 1.25rem;
    font-weight: bold;
    color: #1f2937;
}


.nav-menu {
    display: none;
    align-items: center;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #374151;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #4f46e5;
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    right: 0;
    height: 2px;
    background-color: #4f46e5;
}

.search-container {
    position: relative;
    display: none;
}

.search-input {
    padding: 0.5rem 2.5rem 0.5rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    width: 16rem;
    font-size: 0.875rem;
}

.search-input:focus {
    outline: none;
    border-color: #4f46e5;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.search-button {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #6b7280;
    cursor: pointer;
}

.search-button:hover {
    color: #4f46e5;
}

.mobile-menu-btn {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn svg {
    width: 1.5rem;
    height: 1.5rem;
    color: #374151;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 4rem;
    right: 0;
    width: 16rem;
    height: calc(100vh - 4rem);
    background: white;
    box-shadow: -4px 0 6px rgba(0, 0, 0, 0.1);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    padding: 1.5rem;
    z-index: 999;
}

.mobile-menu.open {
    transform: translateX(0);
}

.mobile-menu a {
    display: block;
    padding: 0.75rem 0;
    text-decoration: none;
    color: #374151;
    font-weight: 500;
    border-bottom: 1px solid #f3f4f6;
}

.mobile-menu a:hover {
    color: #4f46e5;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(-45deg, #4B1E3A, #764ba2, #f093fb, #f5576c);
    background-size: 400% 400%;
    animation: backgroundShift 15s ease infinite;
    position: relative;
    overflow: hidden;
    padding-top: 5rem;
}

/* Animasyon – tek yerde tanımlı */
@keyframes backgroundShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: white;
    max-width: 800px;
    padding: 0 1.5rem;
}

.hero-title {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    line-height: 1.5;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* Feature Cards Grid */
.services-grid {
    display: grid;
    gap: 2rem;
    margin-top: 3rem;
}

.glass-card {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(20px);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.glass-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.98);
}

.card-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.card-icon.primary { background-color: #4f46e5; }
.card-icon.accent { background-color: #f59e0b; }
.card-icon.success { background-color: #10b981; }
.card-icon.red { background-color: #ef4444; }
.card-icon.purple { background-color: #8b5cf6; }
.card-icon.orange { background-color: #f97316; }

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.card-description {
    color: #6b7280;
    line-height: 1.6;
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: bold;
    color: #1f2937;
    margin-bottom: 1.5rem;
}

.section-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: #6b7280;
    max-width: 48rem;
    margin: 0 auto 3rem;
}

/* FAQ Section */
.faq-container {
    max-width: 64rem;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 1rem;
}

.faq-toggle {
    width: 100%;
    padding: 1.5rem;
    background: none;
    border: none;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.faq-toggle:hover {
    background-color: #f9fafb;
}

.faq-question {
    font-size: 1.125rem;
    font-weight: 600;
    color: #1f2937;
    margin: 0;
}

.faq-icon {
    width: 1.5rem;
    height: 1.5rem;
    color: #6b7280;
    transition: transform 0.3s ease;
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-content.open {
    max-height: 500px;
}

.faq-content-inner {
    padding: 0 1.5rem 1.5rem;
    color: #6b7280;
    line-height: 1.6;
}

/* Packages Grid */
.packages-grid {
    display: grid;
    gap: 2rem;
    margin-top: 3rem;
}

.package-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 2px solid #f3f4f6;
    transition: all 0.3s ease;
}

.package-card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transform: translateY(-4px);
}

.package-card.featured {
    border-color: #f59e0b;
    position: relative;
}

.package-badge {
    position: absolute;
    top: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    background: #f59e0b;
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
}

.package-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.package-features {
    list-style: none;
    margin-bottom: 2rem;
}

.package-features li {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
}

.package-features li::before {
    content: '✓';
    color: #10b981;
    font-weight: bold;
    margin-right: 0.75rem;
}

/* Footer */
footer {
    background: #1f2937;
    color: white;
    padding: 3rem 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 2rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.footer-tagline {
    opacity: 0.8;
    margin-bottom: 1rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-icon {
    width: 3rem;
    height: 3rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.social-icon:hover {
    background: rgba(255, 255, 255, 0.2);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    margin-top: 2rem;
    padding-top: 2rem;
    text-align: center;
    opacity: 0.8;
    font-size: 0.875rem;
}

/* Fixed Elements */
.whatsapp-button {
    position: fixed;
    bottom: 1.25rem;
    left: 1.25rem;
    z-index: 1000;
    background: #25d366;
    color: white;
    width: 3.75rem;
    height: 3.75rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    text-decoration: none;
}

.whatsapp-button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.back-to-top {
    position: fixed;
    bottom: 1.25rem;
    right: 1.25rem;
    z-index: 1000;
    background: #4f46e5;
    color: white;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.4);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    border: none;
    cursor: pointer;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: #3730a3;
    transform: translateY(-2px);
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.open {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    max-width: 90vw;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.modal.open .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #6b7280;
    padding: 0.5rem;
}

.modal-close:hover {
    color: #374151;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #374151;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: #4f46e5;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 6rem;
}

/* Responsive Design */

/* Tablet - 768px and up */
@media (min-width: 768px) {
  .container { padding: 0 2rem; }
  .navbar-container { padding: 0 2rem; }
  .nav-menu { display: flex; }
  .search-container { display: block; }
  .mobile-menu-btn { display: none; }
  .hero-title { font-size: 4rem; }
  .hero-buttons { flex-direction: row; justify-content: center; }

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

  /* HATALI satır yerine bu olmalı */
  .footer-content { 
    display: flex;               /* mobilde zaten flex ise bunu silebilirsin */
    flex-direction: row; 
    justify-content: space-between; 
    text-align: left; 
  }
}


/* Desktop - 1024px and up */
@media (min-width: 1024px) {
    .container { padding: 0 3rem; }
    .navbar-container { padding: 0 3rem; }
    .hero-title { font-size: 5rem; }
    .hero-subtitle { font-size: 1.5rem; }
    .services-grid { grid-template-columns: repeat(3, 1fr); }
    .packages-grid { grid-template-columns: repeat(3, 1fr); }
    .section-title { font-size: 3rem; }
    .section-subtitle { font-size: 1.5rem; }
}

/* Large Desktop - 1280px and up */
@media (min-width: 1280px) {
    .services-grid { grid-template-columns: repeat(4, 1fr); }
}

/* Background Animation for YKS Terms */
.yks-terms-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.yks-term {
    position: absolute;
    font-size: 1.5rem;
    font-weight: 600;
    opacity: 0.1;
    color: #4f46e5;
    animation: floatTerms 25s linear infinite;
    user-select: none;
}

@keyframes floatTerms {
    0% { transform: translateY(100vh) translateX(0px) rotate(0deg); opacity: 0; }
    10% { opacity: 0.15; }
    90% { opacity: 0.15; }
    100% { transform: translateY(-100px) translateX(50px) rotate(360deg); opacity: 0; }
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #f1f1f1; }
::-webkit-scrollbar-thumb { background: #4f46e5; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #3730a3; }

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
}

/* Print Styles */
@media print {
    .mobile-menu,
    .whatsapp-button,
    .back-to-top,
    nav { display: none; }
    .hero { background: none; color: black; }
    .section { page-break-inside: avoid; }
}