/* ===== css/style.css ===== */
/* Γενικές ρυθμίσεις - Απαλή, γήινη παλέτα */
:root {
    --primary-sand: #f9f3e9;      /* Απαλό αμμώδες φόντο */
    --primary-stone: #e5d9cc;     /* Πέτρινο μπεζ για κάρτες */
    --accent-olive: #9aa77b;      /* Ήρεμο πράσινο ελιάς για κεντρικά στοιχεία */
    --accent-terra: #b58b6b;       /* Γήινο τερακότα για λεπτομέρειες (hover) */
    --text-dark: #3e3b35;          /* Σκούρο καφέ-γκρι για κείμενο */
    --text-soft: #6b655a;           /* Πιο ανοιχτό για δευτερεύον κείμενο */
    --white-soft: #fffdf9;          /* Απαλό λευκό */
   }

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

body {
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--primary-sand);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
}

/* ===== Header & Navigation ===== */
header {
    background-color: var(--white-soft);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    border-bottom: 1px solid rgba(158, 143, 128, 0.1);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(5px);
    background-color: rgba(255, 253, 249, 0.9);
}

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

.logo a {
    font-size: 1.6rem;
    font-weight: 300;
    letter-spacing: 2px;
    color: var(--accent-terra);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s;
}

.logo a:hover {
    border-bottom-color: var(--accent-terra);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-soft);
    font-weight: 400;
    letter-spacing: 0.5px;
    font-size: 1rem;
    padding-bottom: 5px;
    border-bottom: 2px solid transparent;
    transition: border-color 0.3s, color 0.3s;
}

.nav-links a:hover {
    color: var(--accent-olive);
    border-bottom-color: var(--accent-olive);
}

/* DROPDOWN MENU */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background: var(--white-soft);
    min-width: 200px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    border-radius: 12px;
    padding: 0.5rem 0;
    z-index: 1000;
    top: 100%;
    left: 0;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-content a {
    padding: 0.8rem 1.5rem !important;
    text-align: left !important;
    border-bottom: 1px solid var(--primary-stone);
}

.dropdown-content a:last-child {
    border-bottom: none;
}

/* Στο κινητό, το dropdown γίνεται κανονικά links */
@media (max-width: 768px) {
    .dropdown-content {
        position: static;
        box-shadow: none;
        padding-left: 1rem;
    }
    
    .dropdown:hover .dropdown-content {
        display: block;
    }
}

/* ===== Main Content ===== */
main {
    min-height: 70vh;
    padding: 60px 0;
}

h1 {
    font-size: 2.8rem;
    font-weight: 300;
    letter-spacing: 2px;
    color: var(--accent-olive);
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--primary-stone);
    padding-bottom: 1rem;
}

h2 {
    font-size: 1.8rem;
    font-weight: 350;
    color: var(--text-dark);
    margin: 2.5rem 0 1.5rem 0;
}

h3 {
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--accent-terra);
    margin: 1.5rem 0 1rem 0;
}

p {
    margin-bottom: 1.5rem;
    color: var(--text-soft);
    font-size: 1.1rem;
}

/* Ειδικό στυλ για τον Ιαπωνικό χαρακτήρα 指 */
.japanese-char {
    font-size: 6rem;
    line-height: 1;
    color: var(--primary-stone);
    text-align: center;
    margin: 2rem 0 0rem 0;
    opacity: 0.6;
    font-weight: 300;
}

.lead-text {
    font-size: 1.3rem;
    font-weight: 350;
    color: var(--text-dark);
    font-style: italic;
    border-left: 4px solid var(--accent-olive);
    padding-left: 2rem;
    margin: 2rem 0;
}

/* ===== Cards για σεμινάρια, events ===== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 3rem 0;
}

.card {
    background: var(--white-soft);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
    border: 1px solid var(--primary-stone);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(181, 139, 107, 0.1);
}

.card h3 {
    margin-top: 0;
    color: var(--accent-olive);
}

/* ===== Buttons & Links ===== */
.btn {
    display: inline-block;
    background-color: transparent;
    color: var(--accent-olive);
    border: 2px solid var(--accent-olive);
    padding: 12px 30px;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 500;
    letter-spacing: 1px;
    transition: all 0.3s;
    margin-top: 1rem;
}

.btn:hover {
    background-color: var(--accent-olive);
    color: var(--white-soft);
}

.download-link {
    color: var(--accent-terra);
    text-decoration: none;
    border-bottom: 1px dotted var(--accent-terra);
    padding-bottom: 2px;
}

.download-link:hover {
    color: var(--accent-olive);
    border-bottom-color: var(--accent-olive);
}

/* ===== Contact Form ===== */
.contact-form {
    max-width: 700px;
    margin: 3rem auto;
    background: var(--white-soft);
    padding: 3rem;
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.02);
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 500;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--primary-stone);
    border-radius: 12px;
    font-size: 1rem;
    transition: border-color 0.3s;
    background-color: var(--primary-sand);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-olive);
}

.submit-btn {
    background-color: var(--accent-olive);
    color: var(--white-soft);
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 40px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

.submit-btn:hover {
    background-color: var(--accent-terra);
}

/* ===== Footer ===== */
footer {
    background-color: var(--text-dark);
    color: var(--primary-stone);
    text-align: center;
    padding: 3rem 0;
    margin-top: 4rem;
}

footer p {
    color: var(--primary-stone);
    margin-bottom: 0.5rem;
}

/* ===== Message Boxes (για send_email.php) ===== */
.message-box {
    max-width: 600px;
    margin: 3rem auto;
    padding: 3rem;
    text-align: center;
    border-radius: 24px;
}

.message-box.success {
    background: #eaf6e6;
    color: #4a6b3f;
}

.message-box.error {
    background: #ffe9e6;
    color: #b55b4a;
}

.message-box a {
    color: var(--accent-olive);
    text-decoration: none;
}
/* ===== Mobile Menu ===== */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-dark);
    cursor: pointer;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white-soft);
        flex-direction: column;
        padding: 2rem;
        text-align: center;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        margin: 1rem 0;
    }
}/* ===== MOBILE MENU ===== */
@media (max-width: 768px) {
    nav {
        flex-wrap: wrap;
        position: relative;
        padding: 8px 0;
    }
    
    .logo a {
        font-size: 1.1rem; /* Ακόμα πιο μικρό */
        line-height: 1.3;
    }
    
    .menu-toggle {
        display: block !important;
        background: none;
        border: none;
        font-size: 1.6rem;
        cursor: pointer;
        padding: 0 10px;
        color: var(--accent-terra);
    }
    
    .nav-links {
        display: none !important;
        width: 85%; /* Μικρότερο πλάτος */
        margin: 0.8rem auto 0 auto; /* Κεντραρισμένο */
        flex-direction: column;
        background: var(--white-soft);
        padding: 0.3rem 0;
        border-radius: 16px;
        box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        border: 1px solid var(--primary-stone);
    }
    
    .nav-links.active {
        display: flex !important;
    }
    
    .nav-links li {
        margin: 0;
        text-align: center;
        width: 100%;
    }
    
    .nav-links a {
        display: block;
        padding: 0.5rem 0.8rem;
        font-size: 0.95rem;
        border-bottom: 1px solid rgba(158, 143, 128, 0.1);
    }
    
    .nav-links li:last-child a {
        border-bottom: none;
    }
}
/* ===== FIX MOBILE MENU ===== */
@media (max-width: 768px) {
    nav {
        flex-wrap: wrap;
        position: relative;
    }
    
    .nav-links {
        display: none !important;
        width: 100%;
        flex-direction: column;
        background: var(--white-soft);
        padding: 1rem 0;
        border-radius: 12px;
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
        margin-top: 1rem;
    }
    
    .nav-links.active {
        display: flex !important;
    }
    
    .nav-links li {
        margin: 0.8rem 0;
        text-align: center;
        width: 100%;
    }
    
    .nav-links a {
        display: block;
        padding: 0.8rem;
        width: 100%;
    }
    
    .menu-toggle {
        display: block !important;
        background: none;
        border: none;
        font-size: 2rem;
        cursor: pointer;
        padding: 0 1rem;
    }
    
/*-- ΣΤΑ ΚΙΝΗΤΑ: μία κάτω από την άλλη */

@media (max-width: 768px) {
    div[style*="grid-template-columns: repeat(3, 1fr)"] {
        grid-template-columns: 1fr !important;
    }