:root {
    --primary-blue: #002244;
    --accent-blue: #004488;
    --light-blue: #e6f0ff;
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --transition: all 0.3s ease;
    --inter: 'Inter', sans-serif;
}

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

body {
    font-family: var(--inter);
    background-color: var(--primary-blue);
    color: var(--white);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Glassmorphism Utility */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: var(--transition);
}

nav.scrolled {
    background: rgba(0, 34, 68, 0.9);
    padding: 1rem 5%;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -1px;
}

.logo-container .brand-name {
    font-weight: 800;
}

.brand-name .aero {
    color: #00aaff;
    /* Gök mavisi / Sky blue */
}

.logo-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.brand-logo {
    height: 40px;
    width: auto;
}

.lang-toggle {
    display: flex;
    gap: 10px;
}

.lang-btn {
    background: none;
    border: 1px solid var(--white);
    color: var(--white);
    padding: 5px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: var(--transition);
}

.lang-btn.active {
    background: var(--white);
    color: var(--primary-blue);
}

/* Hero Section */
@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }

    100% {
        transform: translateY(0px);
    }
}

@keyframes drift {
    from {
        background-position: 0 0;
    }

    to {
        background-position: 100% 100%;
    }
}

.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 10%;
    background: radial-gradient(circle at center, #004488 0%, #002244 100%);
    background-size: 200% 200%;
    animation: drift 20s linear infinite alternate;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="white" opacity="0.2"/></svg>');
    opacity: 0.3;
}

.hero .content {
    animation: float 6s ease-in-out infinite;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.module-card {
    padding: 30px;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.card-icon {
    margin-bottom: 20px;
    color: #00aaff;
    background: rgba(0, 170, 255, 0.1);
    padding: 12px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

/* Countdown */
.countdown-container {
    display: flex;
    gap: 20px;
    margin-bottom: 3rem;
}

.countdown-box {
    padding: 1rem;
    min-width: 80px;
    text-align: center;
}

.count-num {
    display: block;
    font-size: 2rem;
    font-weight: 700;
}

.count-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.store-badge {
    background: #000;
    color: #fff;
    padding: 12px 24px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
    cursor: default;
}

.store-badge i {
    font-size: 1.4rem;
}

.store-badge span {
    line-height: 1;
}

/* Module Section */
.section-padding {
    padding: 100px 5%;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
}

.module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.module-card {
    padding: 30px;
    transition: var(--transition);
}

.module-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 255, 255, 0.5);
}

.module-card h3 {
    margin-bottom: 15px;
    color: #00aaff;
    /* Subtle Cyan/Sky Blue for accent */
    font-size: 1.4rem;
    font-weight: 800;
}

/* Lead Form Section */
.form-section {
    background: var(--light-blue);
    color: var(--primary-blue);
    border-radius: 30px 30px 0 0;
}

.form-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.input-group {
    display: flex;
    gap: 10px;
    margin: 30px 0;
}

input[type="email"] {
    flex: 1;
    padding: 15px 25px;
    border-radius: 30px;
    border: 2px solid #ddd;
    outline: none;
}

.submit-btn {
    padding: 15px 35px;
    border-radius: 30px;
    background: var(--primary-blue);
    color: var(--white);
    border: none;
    cursor: pointer;
    font-weight: 600;
}

.legal-group {
    text-align: left;
    font-size: 0.85rem;
}

.legal-link {
    text-decoration: underline;
    cursor: pointer;
    font-weight: 600;
}

.legal-link:hover {
    color: var(--accent-blue);
}

.checkbox-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 10px;
}

/* Footer */
footer {
    padding: 50px 5% 20px;
    background: #001122;
    text-align: center;
}

/* Language Hidden Control */
[data-lang] {
    display: none;
}

[data-lang].active {
    display: block !important;
}

/* Modal Styling */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    padding: 20px;
}

.modal-content {
    max-width: 800px;
    width: 100%;
    max-height: 80vh;
    padding: 40px;
    position: relative;
    overflow-y: auto;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    color: var(--white);
    font-size: 2rem;
    cursor: pointer;
    opacity: 0.7;
    transition: var(--transition);
}

.close-modal:hover {
    opacity: 1;
}

.modal-text h2 {
    margin-bottom: 20px;
    color: #00aaff;
}

.modal-text p {
    margin-bottom: 15px;
    font-size: 0.95rem;
    line-height: 1.6;
    opacity: 0.9;
}

.modal-text h3 {
    margin: 20px 0 10px;
    font-size: 1.1rem;
}

/* Background Decorations */
.bg-decoration {
    position: absolute;
    pointer-events: none;
    z-index: 0;
    color: var(--white);
}

.dec-1 {
    top: 10%;
    right: -5%;
    width: 300px;
    transform: rotate(15deg);
}

.dec-2 {
    bottom: 50%;
    left: -10%;
    width: 400px;
}

@media (max-width: 768px) {
    .bg-decoration {
        display: none;
    }
}

@media (max-width: 768px) {
    .input-group {
        flex-direction: column;
    }

    .countdown-container {
        gap: 10px;
    }

    .modal-content {
        padding: 25px;
    }
}