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

:root {
    --primary-color: #1e3a8a;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #059669;
    --accent-color: #d97706;
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-light: #9ca3af;
    --bg-color: #f0f4f8;
    --white: #ffffff;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
    font-family: 'Inter', 'Poppins', sans-serif;
    background: linear-gradient(135deg, #e8f0f8 0%, #d4e4f5 50%, #c8dff0 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow-x: hidden;
    position: relative;
}

.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    background: linear-gradient(135deg, #e8f0f8 0%, #d4e4f5 50%, #c8dff0 100%);
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.08;
    animation: float 25s infinite ease-in-out;
    filter: blur(60px);
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #a8c8e8 0%, #8bb5d8 100%);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #b8d4e8 0%, #9cc4d8 100%);
    top: 60%;
    right: 10%;
    animation-delay: 8s;
}

.shape-3 {
    width: 450px;
    height: 450px;
    background: linear-gradient(135deg, #c8e0f0 0%, #a8d0e8 100%);
    bottom: 10%;
    left: 50%;
    animation-delay: 15s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(30px, -30px) rotate(120deg);
    }
    66% {
        transform: translate(-20px, 20px) rotate(240deg);
    }
}

.container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 800px;
    text-align: center;
}

.content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 60px 50px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 8px 25px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.8);
    animation: fadeInUp 0.8s ease-out;
    position: relative;
    z-index: 1;
}

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

.logo {
    margin-bottom: 30px;
    color: var(--primary-color);
}

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

.main-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.title-line {
    display: block;
    animation: slideInLeft 0.8s ease-out;
}

.title-line.highlight {
    color: var(--primary-color);
    animation: slideInRight 0.8s ease-out 0.2s both;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
    font-weight: 400;
}

.countdown {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.countdown-item {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 16px;
    padding: 20px 25px;
    min-width: 100px;
    box-shadow: 0 8px 20px rgba(30, 58, 138, 0.3), 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: countdownFadeIn 0.8s ease-out;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.countdown-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 28px rgba(30, 58, 138, 0.4), 0 6px 12px rgba(0, 0, 0, 0.15);
}

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

.countdown-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 5px;
}

.countdown-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 400;
}

.countdown-separator {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.3;
    }
}

.newsletter-form {
    margin-bottom: 40px;
}

.form-group {
    margin-bottom: 20px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    text-align: left;
}

.input-label {
    display: block;
    margin-bottom: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.01em;
}

.form-input {
    width: 100%;
    padding: 14px 20px;
    border: 2px solid rgba(30, 58, 138, 0.2);
    border-radius: 12px;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
    outline: none;
    color: var(--text-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.form-input:focus {
    border-color: var(--primary-color);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(30, 58, 138, 0.15), 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.form-input::placeholder {
    color: var(--text-light);
}

/* Telefon input için özel stil */
input[type="tel"] {
    font-family: 'Inter', monospace;
    letter-spacing: 1px;
}

input[type="tel"]:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(30, 58, 138, 0.15), 0 4px 12px rgba(0, 0, 0, 0.1);
}

.submit-btn {
    width: 100%;
    padding: 16px 35px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 20px rgba(30, 58, 138, 0.3), 0 4px 8px rgba(0, 0, 0, 0.1);
    margin-top: 10px;
}

.submit-btn:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #1e3a8a 100%);
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(30, 58, 138, 0.4), 0 6px 12px rgba(0, 0, 0, 0.15);
}

.submit-btn:active {
    transform: translateY(-1px);
}

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

.form-message {
    font-size: 0.9rem;
    min-height: 20px;
    margin-top: 15px;
    padding: 12px 16px;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    text-align: center;
}

.form-message.success {
    background: rgba(5, 150, 105, 0.1);
    color: #047857;
    border: 1px solid rgba(5, 150, 105, 0.2);
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
}

.social-link {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3), 0 2px 4px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-link:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #1e3a8a 100%);
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 8px 20px rgba(30, 58, 138, 0.4), 0 4px 8px rgba(0, 0, 0, 0.15);
}

.admin-link {
    margin-top: 30px;
    text-align: center;
}

.admin-btn {
    display: inline-block;
    padding: 10px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}

.admin-btn:hover {
    color: var(--primary-color);
    background: rgba(255, 255, 255, 0.8);
    transform: translateY(-2px);
}

.footer {
    margin-top: 30px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
    text-align: center;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 1;
}

/* Responsive Tasarım */
@media (max-width: 768px) {
    .main-title {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .content {
        padding: 40px 25px;
    }
    
    .countdown-item {
        min-width: 80px;
        padding: 15px 20px;
    }
    
    .countdown-number {
        font-size: 2rem;
    }
    
    .countdown-label {
        font-size: 0.8rem;
    }
    
    .form-group {
        flex-direction: column;
    }
    
    .email-input {
        min-width: 100%;
    }
    
    .submit-btn {
        width: 100%;
        justify-content: center;
    }
    
    .countdown-separator {
        display: none;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 2rem;
    }
    
    .countdown {
        gap: 10px;
    }
    
    .countdown-item {
        min-width: 70px;
        padding: 12px 15px;
    }
    
    .countdown-number {
        font-size: 1.5rem;
    }
    
    .countdown-label {
        font-size: 0.7rem;
    }
}

/* Yükleme Animasyonu */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.loading {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}