/* 
   Project: Furkan Elmas Campaign Success
   Theme: Blue, Hopeful, Modern
*/

:root {
    --primary-blue: #007bff;
    --dark-blue: #0056b3;
    --light-blue: #e3f2fd;
    --text-dark: #333333;
    --text-muted: #666666;
    --white: #ffffff;
    --success-green: #28a745;
    --accent-yellow: #ffc107;
    --accent-orange: #ff6b35;
    --accent-purple: #6c5ce7;
    --gradient-hero: linear-gradient(135deg, #e3f2fd 0%, #ffffff 100%);
    --gradient-thankyou: linear-gradient(180deg, #ffffff 0%, #e3f2fd 100%);
    --gradient-animated: linear-gradient(270deg, #007bff, #0056b3, #6c5ce7, #007bff);
    --shadow-soft: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 6px 12px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 20px rgba(0, 123, 255, 0.3);
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    --container-width: 1200px;
    
    /* Typography */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-secondary: 'Nunito', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* RESET & BASE */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

/* Skip to content link (Accessibility) */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-blue);
    color: var(--white);
    padding: 8px 16px;
    text-decoration: none;
    z-index: 10000;
    font-weight: 600;
    border-radius: 0 0 4px 0;
}

.skip-to-content:focus {
    top: 0;
    outline: 3px solid var(--accent-yellow);
    outline-offset: 2px;
}

body {
    font-family: var(--font-primary);
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* iOS input zoom prevention - minimum 16px font-size */
input, textarea, select, button {
    font-size: 16px;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
a:focus-visible, button:focus-visible {
    outline: 3px solid var(--primary-blue);
    outline-offset: 2px;
    border-radius: 4px;
}
button { cursor: pointer; border: none; font-family: inherit; }
img, video { max-width: 100%; height: auto; display: block; }

.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* TYPOGRAPHY */
h1, h2, h3 { 
    font-family: var(--font-secondary);
    font-weight: 700; 
    color: var(--dark-blue); 
    margin-bottom: 1rem; 
    letter-spacing: -0.02em;
}
h1 { 
    font-size: clamp(2rem, 5vw, 3rem); 
    line-height: 1.2; 
    font-weight: 800;
}
h2 { 
    font-size: clamp(1.75rem, 4vw, 2.25rem); 
    font-weight: 700;
}
h3 { 
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    font-weight: 600;
}
p { 
    margin-bottom: 1rem; 
    font-size: clamp(1rem, 2vw, 1.125rem);
    line-height: 1.8;
}
.logo {
    display: flex;
    align-items: center;
    gap: 18px;
    flex: 1 1 auto;
    min-width: 0;
    max-width: 100%;
    cursor: pointer;
    transition: transform 0.3s ease;
    -webkit-transition: -webkit-transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.02);
    -webkit-transform: scale(1.02);
}

.profile-image {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary-blue);
    box-shadow: var(--shadow-soft);
    flex-shrink: 0;
    transition: width 0.3s ease, height 0.3s ease, border-width 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    -webkit-transition: width 0.3s ease, height 0.3s ease, border-width 0.3s ease, -webkit-transform 0.3s ease, box-shadow 0.3s ease;
}

.profile-image:hover {
    transform: scale(1.05);
    -webkit-transform: scale(1.05);
    box-shadow: var(--shadow-hover);
}

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    flex: 1 1 auto;
}

.brand-name {
    font-family: var(--font-secondary);
    font-size: clamp(1.25rem, 2.5vw, 2rem);
    font-weight: 800;
    color: var(--primary-blue);
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: font-size 0.3s ease;
}

.brand-subtitle {
    font-family: var(--font-primary);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* UTILITY CLASSES */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    text-align: center;
}

.btn {
    position: relative;
    overflow: hidden;
}

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

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover {
    background-color: var(--dark-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover), var(--shadow-glow);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
    position: relative;
}

.btn-secondary::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--primary-blue);
    transition: left 0.3s ease;
    z-index: -1;
}

.btn-secondary:hover {
    color: var(--white);
    transform: translateY(-2px);
}

.btn-secondary:hover::after {
    left: 0;
}

.btn-secondary:active {
    transform: translateY(0);
}

/* HEADER */
#main-header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    position: sticky;
    position: -webkit-sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 20px 0;
    transition: padding 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
    -webkit-transition: padding 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

/* Scrolled Header State */
#main-header.scrolled {
    padding: 15px 0;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(0, 123, 255, 0.1);
}

#main-header.scrolled .profile-image {
    width: 80px;
    height: 80px;
    border-width: 3px;
    border-radius: 50%;
}

#main-header.scrolled .brand-name {
    font-size: 1.5rem;
}

#main-header.scrolled .brand-subtitle {
    font-size: 0.7rem;
}

#navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
    position: relative;
}


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

.nav-links a { 
    color: var(--text-dark); 
    font-weight: 500; 
    position: relative;
    padding-bottom: 5px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

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

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

/* Active Nav Link */
.nav-links a.active {
    color: var(--primary-blue);
    font-weight: 600;
}

.nav-links a.active::after {
    width: 100%;
    background: linear-gradient(90deg, var(--primary-blue), var(--dark-blue));
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    flex-wrap: wrap;
    justify-content: flex-end;
    margin-left: auto;
}

.lang-switcher { 
    display: flex; 
    gap: 6px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 10px;
    background: var(--white);
    border: 2px solid rgba(0, 123, 255, 0.2);
    border-radius: 8px;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.8rem;
    transition: var(--transition);
    cursor: pointer;
    box-shadow: var(--shadow-soft);
}

.lang-btn .flag-icon {
    width: 18px;
    height: 13px;
    object-fit: cover;
    border-radius: 2px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    pointer-events: none; /* Bayrak görseline tıklamada lightbox açılmasını engelle */
}

.lang-btn picture {
    pointer-events: none; /* Picture elementine tıklamada lightbox açılmasını engelle */
}

.lang-btn:hover {
    border-color: var(--primary-blue);
    background: rgba(0, 123, 255, 0.05);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.lang-btn.active {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.4);
}

.lang-btn.active:hover {
    background: var(--dark-blue);
    border-color: var(--dark-blue);
}

/* HERO SECTION */
#hero {
    background: var(--gradient-hero);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
    text-align: center;
    animation: fadeIn 1s ease-out;
}

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

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--primary-blue);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* HERO STATS */
.hero-stats-container {
    margin-top: 40px;
    width: 100%;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 25px 20px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px 20px 0 0;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-bottom: none;
    flex-wrap: wrap;
}

.hero-stat-item {
    text-align: center;
    flex: 1 1 auto;
    min-width: 0;
    padding: 0 10px;
}

.hero-stat-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.hero-stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark-blue);
    font-family: var(--font-secondary);
    line-height: 1.2;
}

.hero-stat-percentage {
    position: relative;
}

.hero-percentage {
    font-size: 2.5rem !important;
    color: var(--success-green);
    text-shadow: 0 2px 8px rgba(40, 167, 69, 0.3);
    animation: pulse-glow 2s infinite;
}

.hero-success-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 8px;
    padding: 6px 12px;
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.1), rgba(52, 206, 87, 0.1));
    border-radius: 20px;
    border: 1px solid var(--success-green);
}

.success-icon-small {
    width: 16px;
    height: 16px;
    background: var(--success-green);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: bold;
}

.hero-success-badge span:last-child {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--success-green);
}

.hero-stat-divider {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.1), transparent);
}

.watermark {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    /* Balon görseli mevcut değilse dekoratif pattern kullan */
    background-image: radial-gradient(circle, rgba(0, 123, 255, 0.1) 2px, transparent 2px);
    background-size: 50px 50px;
    opacity: 0.3;
    z-index: 1;
    pointer-events: none;
}

/* SCROLL ANIMATIONS */
.fade-in-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-section.visible {
    opacity: 1;
    transform: translateY(0);
    will-change: auto;
}

/* HERO PROGRESS BAR */
.hero-progress-wrapper {
    padding: 25px 20px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 0 0 20px 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-top: 2px solid var(--light-blue);
}

.hero-progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.hero-progress-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-progress-status {
    display: flex;
    align-items: center;
    gap: 8px;
}

.hero-progress-percentage {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--success-green);
    font-family: var(--font-secondary);
    animation: pulse-glow 2s infinite;
    line-height: 1;
}

.hero-success-icon {
    width: 28px;
    height: 28px;
    background: var(--success-green);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(40, 167, 69, 0.4);
    animation: pulse-icon 2s infinite;
}

@keyframes pulse-icon {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 2px 8px rgba(40, 167, 69, 0.4);
    }
    50% {
        transform: scale(1.1);
        box-shadow: 0 4px 12px rgba(40, 167, 69, 0.6);
    }
}

.hero-progress-wrapper .progress-container {
    height: 35px;
    background-color: var(--light-blue);
    border-radius: 18px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 12px;
}

.hero-progress-wrapper .progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--success-green), #34ce57, var(--success-green));
    background-size: 200% 100%;
    transition: width 2.5s cubic-bezier(0.65, 0, 0.35, 1);
    animation: gradientShift 3s ease infinite;
    position: relative;
    overflow: hidden;
    border-radius: 18px;
}

.hero-progress-success {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 12px;
    padding: 10px 16px;
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.1), rgba(52, 206, 87, 0.1));
    border-radius: 10px;
    border: 1px solid var(--success-green);
}

.hero-progress-success span {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--success-green);
    text-align: center;
}

/* EVENT BANNER SECTION */
.event-banner-section {
    padding: 40px 0;
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.05) 0%, rgba(227, 242, 253, 0.3) 100%);
    border-top: 3px solid var(--primary-blue);
    border-bottom: 3px solid var(--primary-blue);
    position: relative;
    overflow: hidden;
}

.event-banner-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 123, 255, 0.03) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    50% {
        transform: translate(30px, 30px) rotate(180deg);
    }
}

.event-banner {
    display: flex;
    align-items: center;
    gap: 30px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 2px solid rgba(0, 123, 255, 0.1);
    position: relative;
    z-index: 1;
}

.event-banner-icon {
    font-size: 4rem;
    animation: balloonFloat 3s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes balloonFloat {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-15px) rotate(5deg);
    }
}

.event-banner-content {
    flex: 1;
    min-width: 0;
}

.event-banner-header {
    position: relative;
    margin-bottom: 20px;
}

.event-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary-blue);
    text-transform: uppercase;
    letter-spacing: 2px;
    transform: rotate(-2deg);
    -webkit-transform: rotate(-2deg);
    margin-bottom: 8px;
    padding: 4px 12px;
    background: rgba(0, 123, 255, 0.1);
    border: 2px solid var(--primary-blue);
    border-radius: 20px;
    position: relative;
    left: -5px;
}

.event-banner-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 12px;
    font-family: var(--font-secondary);
    line-height: 1.2;
    text-shadow: 0 2px 8px rgba(0, 123, 255, 0.1);
}

.event-banner-description {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.6;
    font-weight: 500;
}

.event-banner-details {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 25px;
}

.event-detail-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    color: var(--text-dark);
}

.event-detail-icon {
    font-size: 1.2rem;
}

.event-detail-text {
    font-weight: 500;
}

.event-countdown {
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.1), rgba(227, 242, 253, 0.3));
    padding: 20px;
    border-radius: 15px;
    border: 2px solid rgba(0, 123, 255, 0.2);
}

.countdown-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 70px;
}

.countdown-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-blue);
    font-family: var(--font-secondary);
    line-height: 1;
    margin-bottom: 5px;
    text-shadow: 0 2px 8px rgba(0, 123, 255, 0.2);
    animation: countdownPulse 2s ease-in-out infinite;
}

@keyframes countdownPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.countdown-label-small {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.countdown-separator {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-blue);
    margin: 0 5px;
    line-height: 1;
}

.event-share {
    margin-top: 25px;
    display: flex;
    justify-content: center;
}

.event-share-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    color: var(--white);
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.event-share-btn:hover {
    transform: translateY(-2px);
    -webkit-transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
    background: linear-gradient(135deg, var(--dark-blue), var(--primary-blue));
}

.event-share-btn:active {
    transform: translateY(0);
    -webkit-transform: translateY(0);
}

.event-share-btn.shared {
    background: linear-gradient(135deg, var(--success-green), #34ce57);
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
}

.event-share-btn svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .event-banner-section {
        padding: 25px 0;
    }
    
    .event-banner {
        flex-direction: column;
        gap: 18px;
        padding: 22px 18px;
        text-align: center;
        border-radius: 15px;
    }
    
    .event-banner-icon {
        font-size: 3rem;
    }
    
    .event-banner-header {
        text-align: center;
        margin-bottom: 16px;
    }
    
    .event-badge {
        left: 0;
        transform: rotate(-1deg);
        -webkit-transform: rotate(-1deg);
        font-size: 0.7rem;
        padding: 3px 10px;
        margin-bottom: 6px;
    }
    
    .event-banner-title {
        text-align: center;
        font-size: clamp(1.5rem, 5vw, 2rem);
        margin-bottom: 10px;
    }
    
    .event-banner-description {
        text-align: center;
        font-size: clamp(0.9rem, 2.5vw, 1rem);
        margin-bottom: 18px;
        line-height: 1.5;
    }
    
    .event-banner-details {
        flex-direction: column;
        gap: 12px;
        align-items: center;
        margin-bottom: 20px;
    }
    
    .event-detail-item {
        width: 100%;
        justify-content: center;
        font-size: 0.9rem;
    }
    
    .event-detail-icon {
        font-size: 1.1rem;
    }
    
    .event-countdown {
        padding: 16px 12px;
        border-radius: 12px;
    }
    
    .countdown-label {
        font-size: 0.8rem;
        margin-bottom: 12px;
    }
    
    .countdown-timer {
        gap: 8px;
    }
    
    .countdown-item {
        min-width: 55px;
    }
    
    .countdown-value {
        font-size: 1.875rem;
    }
    
    .countdown-label-small {
        font-size: 0.7rem;
    }
    
    .countdown-separator {
        font-size: 1.25rem;
        margin: 0 2px;
    }
    
    .event-share {
        margin-top: 20px;
    }
    
    .event-share-btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
        padding: 12px 20px;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .event-banner-section {
        padding: 20px 0;
    }
    
    .event-banner {
        padding: 18px 14px;
        gap: 16px;
        border-radius: 12px;
    }
    
    .event-banner-icon {
        font-size: 2.5rem;
    }
    
    .event-banner-header {
        margin-bottom: 14px;
    }
    
    .event-badge {
        font-size: 0.65rem;
        padding: 3px 8px;
        letter-spacing: 1px;
    }
    
    .event-banner-title {
        font-size: clamp(1.35rem, 6vw, 1.75rem);
        margin-bottom: 8px;
        line-height: 1.2;
    }
    
    .event-banner-description {
        font-size: clamp(0.85rem, 3vw, 0.95rem);
        margin-bottom: 16px;
        line-height: 1.5;
    }
    
    .event-banner-details {
        gap: 10px;
        margin-bottom: 18px;
    }
    
    .event-detail-item {
        font-size: 0.85rem;
        gap: 6px;
    }
    
    .event-detail-icon {
        font-size: 1rem;
    }
    
    .event-countdown {
        padding: 14px 10px;
        border-radius: 10px;
    }
    
    .countdown-label {
        font-size: 0.75rem;
        margin-bottom: 10px;
    }
    
    .countdown-timer {
        gap: 6px;
        flex-wrap: nowrap;
    }
    
    .countdown-item {
        min-width: 48px;
        flex: 1 1 auto;
    }
    
    .countdown-value {
        font-size: 1.5rem;
        margin-bottom: 4px;
    }
    
    .countdown-label-small {
        font-size: 0.65rem;
    }
    
    .countdown-separator {
        font-size: 1.1rem;
        margin: 0 1px;
        line-height: 1.5rem;
    }
    
    .event-share {
        margin-top: 18px;
    }
    
    .event-share-btn {
        max-width: 100%;
        padding: 11px 18px;
        font-size: 0.9rem;
    }
    
    .event-share-btn svg {
        width: 18px;
        height: 18px;
    }
}

/* Extra small devices */
@media (max-width: 360px) {
    .event-banner {
        padding: 16px 12px;
    }
    
    .event-banner-icon {
        font-size: 2rem;
    }
    
    .event-banner-title {
        font-size: 1.3rem;
    }
    
    .event-banner-description {
        font-size: 0.85rem;
    }
    
    .countdown-item {
        min-width: 42px;
    }
    
    .countdown-value {
        font-size: 1.35rem;
    }
    
    .countdown-separator {
        font-size: 1rem;
    }
}

/* STATS & SLIDER SECTION */
#stats { padding: 60px 0; background-color: var(--white); }

.stats-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}

.slider-section {
    width: 100%;
    max-width: 600px;
    text-align: center;
}

.slider-section .section-title {
    margin-bottom: 30px;
}

.stats-header {
    margin-bottom: 30px;
    text-align: center;
}

.stats-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--dark-blue);
    margin-bottom: 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: linear-gradient(135deg, rgba(227, 242, 253, 0.5), rgba(255, 255, 255, 0.8));
    border: 2px solid var(--light-blue);
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-soft);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-blue);
}

.stat-card .stat-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
    display: block;
}

.stat-card .stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--dark-blue);
    font-family: var(--font-secondary);
    margin-bottom: 5px;
    display: block;
}

.stat-card .stat-currency {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    font-size: 1.2rem;
    font-weight: 600;
}

.progress-wrapper {
    background: var(--white);
    border: 2px solid var(--light-blue);
    border-radius: 15px;
    padding: 25px;
    box-shadow: var(--shadow-soft);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.progress-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.progress-percentage {
    font-size: 2rem;
    font-weight: 800;
    color: var(--success-green);
    font-family: var(--font-secondary);
    text-shadow: 0 2px 4px rgba(40, 167, 69, 0.2);
    animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        transform: scale(1);
        text-shadow: 0 2px 4px rgba(40, 167, 69, 0.2);
    }
    50% {
        transform: scale(1.05);
        text-shadow: 0 2px 10px rgba(40, 167, 69, 0.4);
    }
}

.progress-container {
    height: 40px;
    background-color: var(--light-blue);
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    margin-bottom: 15px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--success-green), #34ce57, var(--success-green));
    background-size: 200% 100%;
    width: 0; /* JS will animate to 100% */
    transition: width 2s cubic-bezier(0.65, 0, 0.35, 1);
    animation: gradientShift 3s ease infinite;
    position: relative;
    overflow: hidden;
    will-change: width;
    transform: translateZ(0); /* GPU acceleration */
    -webkit-transform: translateZ(0);
    border-radius: 20px;
}

.progress-bar.animated {
    will-change: auto;
}

.progress-shine {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer 2s infinite;
}

.progress-success {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px;
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.1), rgba(52, 206, 87, 0.1));
    border-radius: 10px;
    border: 2px solid var(--success-green);
}

.success-icon {
    width: 24px;
    height: 24px;
    background: var(--success-green);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1rem;
    box-shadow: 0 2px 6px rgba(40, 167, 69, 0.3);
}

.success-text {
    font-weight: 700;
    color: var(--success-green);
    font-size: 1rem;
    letter-spacing: 0.5px;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

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


/* SLIDER */
.media-slider {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.slider-container {
    width: 100%;
    max-width: 600px;
    height: auto;
    aspect-ratio: 4/5;
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
    background: #000;
    touch-action: pan-y;
}

.slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}

.slide.active { opacity: 1; z-index: 1; }
.slide img, .slide video { width: 100%; height: 100%; object-fit: cover; }

.slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.slider-arrow {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--primary-blue);
    font-size: 24px;
    font-weight: bold;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.slider-arrow:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: scale(1.1);
    box-shadow: var(--shadow-hover);
}

.slider-arrow:active {
    transform: scale(0.95);
}

.slider-dots {
    display: flex;
    gap: 8px;
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(0, 123, 255, 0.3);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    padding: 0;
}

.slider-dot.active {
    background: var(--primary-blue);
    transform: scale(1.2);
}

/* FAQ SECTION */
#faq {
    padding: 80px 0;
    background: #f5f8ff;
}

.faq-container {
    max-width: 900px;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 24px;
}

.faq-item {
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(0, 123, 255, 0.08);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item.open {
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 123, 255, 0.2);
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 18px 20px;
    background: transparent;
    border: none;
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark-blue);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:focus {
    outline: 2px solid rgba(0, 123, 255, 0.35);
    outline-offset: 2px;
}

.faq-icon {
    font-size: 1.2rem;
    color: var(--primary-blue);
    margin-left: 12px;
    transition: transform 0.3s ease;
}

.faq-item.open .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    padding: 0 20px;
}

.faq-answer p {
    margin: 0 0 18px;
    color: var(--text-muted);
    line-height: 1.7;
}

.faq-answer h4 {
    margin: 20px 0 12px 0;
    font-size: 1.1rem;
    color: var(--dark-blue);
    font-weight: 600;
}

.faq-answer ul {
    margin: 0 0 18px 0;
    padding-left: 25px;
    color: var(--text-muted);
    line-height: 1.8;
}

.faq-answer ul li {
    margin-bottom: 10px;
}

.faq-answer ul li strong {
    color: var(--dark-blue);
    font-weight: 600;
}

.faq-item.open .faq-answer {
    padding-bottom: 18px;
}

/* THANK YOU SECTION */
#thank-you {
    padding: 80px 0;
    background: var(--gradient-thankyou);
    text-align: center;
    position: relative;
}

.thank-you-content { 
    max-width: 700px; 
    margin: 0 auto; 
    position: relative; 
    z-index: 2; 
}

.thanks-msg {
    text-align: left;
    line-height: 1.9;
}

.thanks-msg p {
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    color: var(--text-dark);
}

.thanks-msg p:last-child {
    margin-bottom: 0;
}

.thanks-msg p strong {
    color: var(--primary-blue);
    font-weight: 700;
}

/* SHARE SECTION */
.share-section {
    margin-top: 40px;
    padding-top: 40px;
    border-top: 2px solid var(--light-blue);
}

.share-section h3 {
    font-size: 1.5rem;
    color: var(--dark-blue);
    margin-bottom: 10px;
    text-align: center;
}

.share-section p {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 25px;
    font-size: 1rem;
}

.share-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.share-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
    background: var(--white);
    color: var(--text-dark);
    box-shadow: var(--shadow-soft);
}

.share-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.share-btn svg {
    flex-shrink: 0;
}

.share-facebook {
    border-color: #1877f2;
    color: #1877f2;
}

.share-facebook:hover {
    background: #1877f2;
    color: var(--white);
}

.share-twitter {
    border-color: #1da1f2;
    color: #1da1f2;
}

.share-twitter:hover {
    background: #1da1f2;
    color: var(--white);
}

.share-whatsapp {
    border-color: #25d366;
    color: #25d366;
}

.share-whatsapp:hover {
    background: #25d366;
    color: var(--white);
}

.share-copy {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.share-copy:hover {
    background: var(--primary-blue);
    color: var(--white);
}

.share-copy.copied {
    background: var(--success-green);
    border-color: var(--success-green);
    color: var(--white);
}

.floating-balloons {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 1;
}

.balloon {
    position: absolute;
    bottom: -150px;
    width: 50px;
    height: 70px;
    background: linear-gradient(135deg, #007bff 0%, #0056b3 50%, #004085 100%);
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    opacity: 0.6;
    pointer-events: none;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.4);
    animation: floatUpBalloon 14s infinite linear;
    will-change: transform, opacity;
    transform: translateZ(0); /* GPU acceleration */
    -webkit-transform: translateZ(0);
}

.balloon::before {
    content: '';
    position: absolute;
    top: 15%;
    left: 25%;
    width: 20%;
    height: 20%;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
}

.balloon::after {
    content: '';
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 80px;
    background: linear-gradient(to bottom, rgba(0, 86, 179, 0.4), transparent);
}

@keyframes floatUpBalloon {
    0% { 
        transform: translateY(0) translateX(0) rotate(-5deg) scale(0.7); 
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    50% {
        transform: translateY(-500px) translateX(40px) rotate(10deg) scale(1.1);
        opacity: 0.8;
    }
    90% {
        opacity: 0.5;
    }
    100% { 
        transform: translateY(-1100px) translateX(-40px) rotate(20deg) scale(0.5); 
        opacity: 0;
    }
}

/* Lightbox Modal */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-content {
    max-width: 95%;
    max-height: 95%;
    position: relative;
    animation: lightboxZoom 0.3s ease;
    touch-action: pan-y; /* Dikey kaydırmaya izin ver, yatay swipe için preventDefault kullanacağız */
}

@keyframes lightboxZoom {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.lightbox-content img,
.lightbox-content video {
    max-width: 100%;
    max-height: 95vh;
    width: auto;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
    transition: var(--transition);
    z-index: 10001;
}

.lightbox-close:hover {
    background: var(--white);
    transform: scale(1.1);
    -webkit-transform: scale(1.1);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    -webkit-transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.12);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 24px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 10002;
    user-select: none;
    -webkit-user-select: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
    -webkit-tap-highlight-color: transparent;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.lightbox.show-controls .lightbox-prev,
.lightbox.show-controls .lightbox-next {
    opacity: 0.9;
    visibility: visible;
    pointer-events: auto;
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: var(--white);
    transform: translateY(-50%) scale(1.1);
    -webkit-transform: translateY(-50%) scale(1.1);
}

.lightbox-prev:active,
.lightbox-next:active {
    transform: translateY(-50%) scale(0.95);
    -webkit-transform: translateY(-50%) scale(0.95);
}

.slider-media {
    cursor: pointer;
    transition: transform 0.2s ease;
    -webkit-transition: -webkit-transform 0.2s ease;
}

.slider-media:hover {
    transform: scale(1.02);
    -webkit-transform: scale(1.02);
}

.slide {
    cursor: pointer;
}

.slide .slider-arrow,
.slide .slider-dot {
    pointer-events: auto;
}

@media (max-width: 768px) {
    .lightbox-close {
        top: 10px;
        right: 10px;
        width: 35px;
        height: 35px;
        font-size: 20px;
    }
    
    .lightbox-prev,
    .lightbox-next {
        width: 50px;
        height: 50px;
        font-size: 26px;
        background: rgba(255, 255, 255, 0.94);
        border: 1px solid rgba(0, 0, 0, 0.12);
        box-shadow: 0 3px 12px rgba(0, 0, 0, 0.22);
    }
    
    .lightbox-prev {
        left: 15px;
    }
    
    .lightbox-next {
        right: 15px;
    }
    
    .lightbox.show-controls .lightbox-prev,
    .lightbox.show-controls .lightbox-next {
        opacity: 0.95;
    }
    
    .lightbox-content {
        max-width: 98%;
        max-height: 98%;
    }
}

/* TIMELINE SECTION */
#timeline { padding: 80px 0; background: var(--white); }

.section-title { text-align: center; margin-bottom: 50px; }

.timeline-wrapper {
    position: relative;
    display: flex;
    justify-content: space-between;
    max-width: 900px;
    margin: 0 auto;
}

.timeline-wrapper::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--light-blue);
    z-index: 0;
}

.timeline-item {
    position: relative;
    z-index: 1;
    width: 23%;
    text-align: center;
}

.timeline-date {
    background: var(--white);
    border: 3px solid var(--primary-blue);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    margin: 0 auto 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0px; /* Hide text in dot */
    transition: var(--transition);
    position: relative;
}

.timeline-date::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--primary-blue);
    opacity: 0;
    transform: scale(0);
    transition: var(--transition);
}

.timeline-item:hover .timeline-date::before {
    opacity: 0.2;
    transform: scale(1.5);
}

.timeline-item.completed .timeline-date { 
    background: var(--success-green); 
    border-color: var(--success-green);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(40, 167, 69, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(40, 167, 69, 0);
    }
}

.timeline-content {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 20px;
    border-radius: 15px;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(255, 255, 255, 0.5);
    transition: var(--transition);
    transform: translateY(0);
}

.timeline-item:hover .timeline-content {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-blue);
}

.timeline-content h3 { font-size: 1rem; margin-bottom: 5px; color: var(--primary-blue); }
.timeline-content p { font-size: 0.9rem; margin: 0; color: var(--text-muted); }

/* FOOTER */
#footer {
    background: #1a2530; /* Dark Navy */
    color: var(--white);
    padding: 40px 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    text-align: left;
}

.footer-column h4 {
    color: var(--white);
    margin-bottom: 15px;
    font-size: 1.1rem;
    font-weight: 600;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--white);
    text-decoration: underline;
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.social-icon {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.social-icon:hover {
    transform: translateY(-5px) scale(1.1);
    background: rgba(255, 255, 255, 0.2);
}

.social-icon.instagram:hover {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.social-icon.facebook:hover {
    background: #1877f2;
}

.social-icon.twitter:hover {
    background: #1da1f2;
}

.social-icon.whatsapp:hover {
    background: #25d366;
}

.legal-info { 
    opacity: 0.7; 
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
}

.footer-credit {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-credit p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
    letter-spacing: 0.5px;
}

/* BACK TO TOP BUTTON */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-blue);
    color: var(--white);
    border: none;
    box-shadow: var(--shadow-hover);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--dark-blue);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.back-to-top:active {
    transform: translateY(-2px);
}

/* RESPONSIVE DESIGN */
@media (max-width: 992px) {
    h1 { font-size: 2rem; }
    .stats-wrapper { 
        text-align: center;
    }
    .slider-container {
        max-width: 500px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    .hero-stats {
        gap: 15px;
        padding: 20px 15px;
    }
    .hero-stat-item {
        flex: 1 1 calc(50% - 8px);
        min-width: 120px;
    }
    .hero-stat-divider {
        display: none;
    }
    .hero-progress-wrapper {
        padding: 20px 15px;
    }
}

@media (max-width: 768px) {
    .hero-stats {
        flex-direction: row;
        gap: 15px;
        padding: 20px 15px;
        border-radius: 15px 15px 0 0;
    }
    
    .hero-stat-divider {
        width: 1px;
        height: 50px;
        background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.1), transparent);
    }
    
    .hero-stat-item {
        flex: 1 1 auto;
        min-width: 0;
        padding: 0 5px;
    }
    
    .hero-progress-percentage {
        font-size: 1.5rem;
    }
    
    .hero-success-icon {
        width: 24px;
        height: 24px;
        font-size: 0.875rem;
    }
    
    .hero-stat-value {
        font-size: 1.25rem;
    }
    
    .hero-percentage {
        font-size: 1.75rem !important;
    }
    
    .hero-progress-wrapper {
        padding: 20px 15px;
        border-radius: 0 0 15px 15px;
    }
    
    .hero-progress-wrapper .progress-container {
        height: 30px;
    }
    
    .hero-progress-percentage {
        font-size: 1.1rem;
    }
    
    #hero { padding: 60px 0; }
    
    .slider-container {
        max-width: 100%;
    }
}

@media (min-width: 768px) and (max-width: 992px) {
    .hero-content {
        max-width: 90%;
    }
    .timeline-wrapper {
        max-width: 95%;
    }
    .stats-wrapper {
        gap: 40px;
    }
}

/* MOBILE MENU */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    padding: 5px;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    border-radius: 2px;
    display: block;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
    background-color: var(--primary-blue);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
    background-color: var(--primary-blue);
}

@media (max-width: 768px) {
    .profile-image {
        width: 60px;
        height: 60px;
        border-width: 3px;
        border-radius: 50%;
    }
    
    .brand-name {
        font-size: 1.25rem;
    }
    
    .brand-subtitle {
        font-size: 0.6rem;
    }
    
    .logo {
        gap: 10px;
        flex: 1 1 auto;
        min-width: 0;
    }
    
    #main-header {
        padding: 12px 0;
    }
    
    #navbar {
        gap: 10px;
    }
    
    .header-actions {
        gap: 6px;
        flex: 0 0 auto;
    }
    
    .lang-switcher {
        gap: 4px;
    }
    
    .lang-btn {
        padding: 4px 6px;
        font-size: 0.7rem;
        gap: 3px;
        min-width: 0;
    }
    
    .lang-btn span {
        font-size: 0.7rem;
    }
    
    .lang-btn .flag-icon {
        width: 14px;
        height: 10px;
        flex-shrink: 0;
        pointer-events: none;
    }
    
    .lang-btn picture {
        pointer-events: none;
    }
    
    .btn-secondary {
        padding: 8px 12px;
        font-size: 0.8rem;
        white-space: nowrap;
    }
    
    .hero-stats {
        padding: 20px 15px;
    }
    
    .hero-stat-value {
        font-size: 1.25rem;
    }
    
    .hero-percentage {
        font-size: 1.75rem !important;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Mobile Menu Overlay - Daha hafif, arka plan görünsün */
    .mobile-menu-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.2);
        backdrop-filter: blur(2px);
        -webkit-backdrop-filter: blur(2px);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
        pointer-events: none;
    }

    #navbar.mobile-open ~ .mobile-menu-overlay,
    body.mobile-menu-open .mobile-menu-overlay {
        display: block;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: 70%;
        max-width: 320px;
        min-width: 260px;
        height: 100vh;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        display: flex;
        flex-direction: column;
        padding: 70px 20px 20px;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
        transform: translateX(100%);
        opacity: 0;
        visibility: hidden;
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease, visibility 0.3s ease;
        gap: 15px;
        overflow-y: auto;
        overflow-x: hidden;
        z-index: 1001;
        list-style: none;
        -webkit-overflow-scrolling: touch;
        box-sizing: border-box;
    }
    
    #navbar.mobile-open .nav-links {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-links li {
        width: 100%;
        flex-shrink: 0;
        min-height: fit-content;
    }

    .nav-links a {
        display: block;
        padding: 12px 16px;
        border-radius: 8px;
        font-size: 1.1rem;
        transition: all 0.2s ease;
    }

    .nav-links a:hover,
    .nav-links a.active {
        background: rgba(0, 123, 255, 0.1);
        color: var(--primary-blue);
        padding-left: 20px;
    }

    .nav-links a::after {
        display: none;
    }

    /* Mobile menu içinde header actions */
    .nav-links .mobile-header-actions {
        display: none;
        flex-direction: column;
        gap: 12px;
        margin-top: 20px;
        padding-top: 20px;
        padding-bottom: 0;
        border-top: 1px solid rgba(0, 0, 0, 0.1);
        width: 100%;
        flex-shrink: 0;
        flex-grow: 0;
    }

    #navbar.mobile-open .nav-links .mobile-header-actions {
        display: flex;
    }

    /* Mobil menü içindeki dil butonları - daha büyük */
    .mobile-lang-switcher {
        display: flex;
        gap: 10px;
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }

    .mobile-lang-btn {
        padding: 12px 18px !important;
        font-size: 1rem !important;
        min-width: 70px;
        justify-content: center;
    }

    .mobile-lang-btn .flag-icon {
        width: 22px !important;
        height: 16px !important;
        pointer-events: none;
    }
    
    .mobile-lang-btn picture {
        pointer-events: none;
    }

    .mobile-lang-btn span {
        font-size: 1rem !important;
        font-weight: 600;
    }

    .nav-links .mobile-header-actions .btn-secondary {
        display: none;
    }
    
    .header-actions .lang-switcher {
        display: none;
    }
    
    .header-actions .btn {
        display: none;
    }
    
    /* Navbar için ekstra düzenleme - mobilde overflow önleme */
    #navbar {
        flex-wrap: wrap;
    }
    
    .nav-links {
        order: 3;
        width: 100%;
    }
    
    .mobile-menu-toggle {
        order: 2;
        margin-left: auto;
    }
    
    .header-actions {
        order: 1;
    }
    
    
    .timeline-wrapper {
        flex-direction: column;
        gap: 30px;
    }
    
    .timeline-wrapper::before {
        width: 4px;
        height: 100%;
        left: 20px;
        top: 0;
    }
    
    .timeline-item {
        width: 100%;
        text-align: left;
        padding-left: 60px;
    }
    
    .timeline-date {
        position: absolute;
        left: 2px;
        top: 0;
        margin: 0;
    }

    
    #hero { 
        padding: 60px 0;
    }
    
    #navbar {
        position: relative;
    }

    .slider-container {
        width: 100%;
        max-width: 300px;
        height: auto;
        aspect-ratio: 4/5;
    }

    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
        font-size: 20px;
    }

    .footer-grid {
        text-align: center;
    }

    .social-icons {
        justify-content: center;
    }

    .stats-data {
        margin-bottom: 30px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    #hero {
        padding: 40px 0;
    }
    
    h1 {
        font-size: 1.75rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .profile-image {
        width: 50px;
        height: 50px;
        border-radius: 50%;
    }
    
    .brand-name {
        font-size: 1.1rem;
    }
    
    .brand-subtitle {
        font-size: 0.55rem;
    }
    
    .lang-btn {
        padding: 3px 5px;
        font-size: 0.65rem;
    }
    
    .lang-btn span {
        display: none; /* Çok küçük ekranlarda sadece bayrak göster */
    }
    
    .lang-btn .flag-icon {
        width: 16px;
        height: 12px;
    }
    
    .btn-secondary {
        padding: 6px 10px;
        font-size: 0.75rem;
    }
    
    .slider-controls {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .slider-arrow {
        width: 35px;
        height: 35px;
        font-size: 20px;
    }
    
    .share-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    
    .share-btn {
        justify-content: center;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
        padding: 12px 20px;
    }
    
    .share-section h3 {
        font-size: 1.25rem;
    }
}