:root {
    --primary-color: #FF7B54;
    --secondary-color: #333;
    --background-color: #FDFDFD;
    --text-color: #4A4A4A;
    --heading-font: 'Playfair Display', serif;
    --body-font: 'Poppins', sans-serif;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --border-radius: 12px;
}

body {
    font-family: var(--body-font);
    margin: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Header ve Navigasyon --- */
.main-header {
    padding: 20px 0;
    background-color: #fff;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 100;
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--body-font);
    font-weight: 700;
    font-size: 1.8rem;
    color: var(--secondary-color);
    text-decoration: none;
}

.nav-buttons .btn {
    margin-left: 10px;
}

/* --- Butonlar --- */
.btn {
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
    border: 2px solid var(--primary-color);
}

.btn-primary:hover {
    background-color: #ff6a3a;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.btn-secondary {
    background-color: transparent;
    color: var(--secondary-color);
    border: 2px solid #eee;
}

.btn-secondary:hover {
    background-color: #f5f5f5;
}

.btn-lg {
    padding: 15px 35px;
    font-size: 1.1rem;
}

/* --- Hero Bölümü --- */
.hero {
    text-align: center;
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(255, 123, 84, 0.05), rgba(255, 255, 255, 0));
}

.hero-title {
    font-family: var(--heading-font);
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.hero-title .highlight {
    color: var(--primary-color);
}

.hero-subtitle {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 2rem auto;
    color: #666;
}

/* --- Nasıl Çalışır Bölümü --- */
.how-it-works {
    padding: 60px 0;
    text-align: center;
}

.section-title {
    font-family: var(--heading-font);
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.steps-container {
    display: flex;
    justify-content: space-around;
    gap: 30px;
}

.step {
    max-width: 300px;
}

.step-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.step h3 {
    font-family: var(--body-font);
    font-weight: 600;
    font-size: 1.4rem;
    color: var(--secondary-color);
}

/* --- Footer --- */
.main-footer {
    text-align: center;
    padding: 30px 0;
    margin-top: 40px;
    border-top: 1px solid #eee;
    color: #999;
}

/* --- Auth Modal --- */
.modal {
    display: none; 
    position: fixed; 
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%;
    overflow: auto; 
    background-color: rgba(0,0,0,0.5); 
    animation: fadeIn 0.5s;
}

@keyframes fadeIn {
    from {opacity: 0}
    to {opacity: 1}
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 40px;
    border: 1px solid #888;
    width: 90%;
    max-width: 450px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    position: relative;
    animation: slideIn 0.5s;
}

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

.close-btn {
    color: #aaa;
    position: absolute;
    top: 15px;
    right: 25px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close-btn:hover, .close-btn:focus {
    color: black;
}

.btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    background-color: #fff;
    color: #444;
    border: 1px solid #ddd;
    padding: 12px;
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.btn-google:hover {
    background-color: #f9f9f9;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.google-logo {
    width: 20px;
    height: 20px;
    margin-right: 15px;
}

.divider {
    display: flex;
    align-items: center;
    text-align: center;
    color: #aaa;
    margin: 2rem 0;
}

.divider::before, .divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid #eee;
}

.divider:not(:empty)::before {
    margin-right: .5em;
}

.divider:not(:empty)::after {
    margin-left: .5em;
}

#email-signup-form input {
    width: 100%;
    padding: 12px;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-sizing: border-box; /* Önemli */
}

#email-signup-form .btn-primary {
    width: 100%;
    padding: 12px;
}

.auth-switch {
    margin-top: 1.5rem;
    font-size: 0.9rem;
}

.auth-switch a {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
}

/* Kerem Cafe Menu Styles */
.menu-title {
    font-family: var(--heading-font);
    font-size: 2.8rem;
    text-align: center;
    margin: 40px 0;
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.menu-category h2 {
    font-family: var(--heading-font);
    font-size: 1.8rem;
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.menu-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    font-size: 1rem;
}

.menu-item-name {
    font-weight: 600;
}

/* --- Mobil Uyumluluk --- */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.8rem;
    }

    .steps-container {
        flex-direction: column;
        align-items: center;
    }

    .main-nav {
        flex-direction: column;
        gap: 20px;
    }

    .modal-content {
        margin: 20% auto;
        width: 95%;
        padding: 30px;
    }
}
