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

:root {
    /* Ana Renkler */
    --primary-blue: #1e40af;
    --primary-orange: #f97316;
    --dark-bg: #0f172a;
    --darker-bg: #020617;
    --card-bg: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --border-color: #334155;
    --gradient-primary: linear-gradient(135deg, #1e40af 0%, #f97316 100%);
    --gradient-secondary: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --shadow-primary: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-secondary: 0 10px 25px -3px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

.container {
    min-height: 100vh;
    position: relative;
    z-index: 2;
}

/* Header Styles */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo i {
    font-size: 2rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-orange);
    transform: translateY(-2px);
}

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

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

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    min-height: calc(100vh - 200px);
}

.hero-section {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-content {
    text-align: center;
    background: var(--gradient-secondary);
    padding: 4rem 3rem;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-primary);
    position: relative;
    overflow: hidden;
}

.hero-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
}

.hero-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 20px;
    margin-bottom: 2rem;
    animation: float 3s ease-in-out infinite;
}

.hero-icon i {
    font-size: 2.5rem;
    color: white;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Countdown Timer */
.countdown-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.countdown-item {
    background: var(--darker-bg);
    padding: 1.5rem 1rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.countdown-item:hover {
    border-color: var(--primary-blue);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -3px rgba(30, 64, 175, 0.2);
}

.countdown-number {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-orange);
    margin-bottom: 0.5rem;
    font-family: 'Inter', monospace;
}

.countdown-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Features Preview */
.features-preview {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 3rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: rgba(30, 64, 175, 0.1);
    border: 1px solid rgba(30, 64, 175, 0.2);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: rgba(249, 115, 22, 0.1);
    border-color: rgba(249, 115, 22, 0.3);
    transform: translateX(5px);
}

.feature-item i {
    font-size: 1.25rem;
    color: var(--primary-blue);
    transition: color 0.3s ease;
}

.feature-item:hover i {
    color: var(--primary-orange);
}

.feature-item span {
    font-weight: 500;
    color: var(--text-secondary);
}

/* Subscription Form */
.subscription-form {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-secondary);
}

.subscription-form h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.subscription-form p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.email-form {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.email-form input {
    flex: 1;
    padding: 1rem 1.5rem;
    background: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.email-form input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

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

.email-form button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    border: none;
    border-radius: 12px;
    color: white;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.email-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -3px rgba(249, 115, 22, 0.4);
}

.email-form button:active {
    transform: translateY(0);
}

.form-message {
    text-align: center;
    padding: 1rem;
    border-radius: 8px;
    font-weight: 500;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.form-message.success {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.2);
    opacity: 1;
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
    opacity: 1;
}

/* Footer */
.footer {
    padding: 2rem;
    border-top: 1px solid var(--border-color);
    background: var(--darker-bg);
}

.footer-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-secondary);
}

.footer p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Background Animation */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0.1;
    animation: float-random 20s infinite linear;
}

.shape-1 {
    width: 100px;
    height: 100px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
    animation-duration: 25s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 15%;
    animation-delay: -5s;
    animation-duration: 30s;
}

.shape-3 {
    width: 80px;
    height: 80px;
    top: 80%;
    left: 20%;
    animation-delay: -10s;
    animation-duration: 20s;
}

.shape-4 {
    width: 120px;
    height: 120px;
    top: 30%;
    right: 30%;
    animation-delay: -15s;
    animation-duration: 35s;
}

.shape-5 {
    width: 60px;
    height: 60px;
    top: 10%;
    right: 10%;
    animation-delay: -20s;
    animation-duration: 15s;
}

/* Animations */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes float-random {
    0% {
        transform: translateY(0px) translateX(0px) rotate(0deg);
    }
    25% {
        transform: translateY(-50px) translateX(30px) rotate(90deg);
    }
    50% {
        transform: translateY(-20px) translateX(-20px) rotate(180deg);
    }
    75% {
        transform: translateY(-80px) translateX(10px) rotate(270deg);
    }
    100% {
        transform: translateY(0px) translateX(0px) rotate(360deg);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.1;
    }
    50% {
        opacity: 0.2;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav {
        gap: 1rem;
    }
    
    .hero-content {
        padding: 2.5rem 1.5rem;
        margin: 1rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .countdown-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .countdown-number {
        font-size: 2rem;
    }
    
    .features-preview {
        grid-template-columns: 1fr;
    }
    
    .email-form {
        flex-direction: column;
    }
    
    .email-form button {
        justify-content: center;
    }
    
    .subscription-form {
        padding: 2rem 1.5rem;
    }
    
    .social-links {
        gap: 1rem;
    }
    
    .floating-shape {
        opacity: 0.05;
    }
}