/* ============================================
   SHARED COMPONENTS - Digital Motion Website
   ============================================
   Αρχείο: components.css
   Περιγραφή: Κοινά components - Navbar, Cursor, Footer, Contact
   Αφορά: Όλες τις σελίδες του website
   ============================================ */

/* ============================================
   CUSTOM CURSOR
   Προσαρμοσμένος cursor με follower effect
   Αφορά: Desktop χρήστες
   ============================================ */

/* Κεντρικό dot του cursor */
.cursor {
    width: 0.625rem;
    height: 0.625rem;
    border-radius: 50%;
    background: var(--color-text);
    position: fixed;
    z-index: 9999;
    pointer-events: none;
    mix-blend-mode: difference;
    -webkit-transition: -webkit-transform var(--transition-fast);
    transition: transform var(--transition-fast);
    margin-left: -0.3125rem;
    margin-top: -0.3125rem;
    will-change: transform, left, top;
}

/* Κύκλος που ακολουθεί τον cursor */
.cursor-follower {
    width: 2.5rem;
    height: 2.5rem;
    border: 1px solid var(--color-text);
    border-radius: 50%;
    position: fixed;
    z-index: 9998;
    pointer-events: none;
    mix-blend-mode: difference;
    -webkit-transition: all 0.15s ease;
    transition: all 0.15s ease;
    margin-left: -1.25rem;
    margin-top: -1.25rem;
    will-change: transform, left, top;
}

/* Απόκρυψη cursor σε mobile/tablet */
@media (max-width: 48rem) {
    .cursor,
    .cursor-follower {
        display: none !important;
    }
}

/* ============================================
   NAVIGATION BAR
   Σταθερό navigation menu στο πάνω μέρος
   Αφορά: Όλες τις σελίδες
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.25rem clamp(1rem, 5vw, 4rem);
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: start;
    -ms-flex-pack: start;
    justify-content: flex-start;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 0, 0, 0.5);
    -webkit-backdrop-filter: blur(0.625rem);
    backdrop-filter: blur(0.625rem);
    -webkit-transition: all var(--transition-base);
    transition: all var(--transition-base);
}

/* Navbar state μετά από scroll */
.navbar.scrolled {
    padding: 0.9rem clamp(1rem, 5vw, 4rem);
    background: rgba(0, 0, 0, 0.9);
}

/* --------------------------------------------
   LOGO
   Logo container και εικόνα
   -------------------------------------------- */
.logo-container {
    position: relative;
    height: 2.5rem;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    margin-left: 0;
    -ms-flex-negative: 0;
    flex-shrink: 0;
}

/* Logo image με glow effect */
.logo-image {
    height: clamp(5rem, 10vw, 6.875rem);
    width: auto;
    -o-object-fit: contain;
    object-fit: contain;
    -webkit-filter: drop-shadow(0 0 0.625rem rgba(102, 126, 234, 0.5))
            drop-shadow(0 0 1.25rem rgba(118, 75, 162, 0.3))
            drop-shadow(0 0 1.875rem rgba(240, 147, 251, 0.2));
    filter: drop-shadow(0 0 0.625rem rgba(102, 126, 234, 0.5))
            drop-shadow(0 0 1.25rem rgba(118, 75, 162, 0.3))
            drop-shadow(0 0 1.875rem rgba(240, 147, 251, 0.2));
    -webkit-animation: logo-gradient-glow 4s ease-in-out infinite;
    animation: logo-gradient-glow 4s ease-in-out infinite;
    position: relative;
}

/* Logo glow animation - Κυκλική εναλλαγή χρωμάτων */
@-webkit-keyframes logo-gradient-glow {
    0% {
        -webkit-filter: drop-shadow(0 0 0.9375rem rgba(102, 126, 234, 0.6))
                drop-shadow(0 0 1.5625rem rgba(102, 126, 234, 0.4))
                drop-shadow(0 0 2.1875rem rgba(102, 126, 234, 0.2));
        filter: drop-shadow(0 0 0.9375rem rgba(102, 126, 234, 0.6))
                drop-shadow(0 0 1.5625rem rgba(102, 126, 234, 0.4))
                drop-shadow(0 0 2.1875rem rgba(102, 126, 234, 0.2));
    }
    33% {
        -webkit-filter: drop-shadow(0 0 0.9375rem rgba(118, 75, 162, 0.6))
                drop-shadow(0 0 1.5625rem rgba(118, 75, 162, 0.4))
                drop-shadow(0 0 2.1875rem rgba(118, 75, 162, 0.2));
        filter: drop-shadow(0 0 0.9375rem rgba(118, 75, 162, 0.6))
                drop-shadow(0 0 1.5625rem rgba(118, 75, 162, 0.4))
                drop-shadow(0 0 2.1875rem rgba(118, 75, 162, 0.2));
    }
    66% {
        -webkit-filter: drop-shadow(0 0 0.9375rem rgba(240, 147, 251, 0.6))
                drop-shadow(0 0 1.5625rem rgba(240, 147, 251, 0.4))
                drop-shadow(0 0 2.1875rem rgba(240, 147, 251, 0.2));
        filter: drop-shadow(0 0 0.9375rem rgba(240, 147, 251, 0.6))
                drop-shadow(0 0 1.5625rem rgba(240, 147, 251, 0.4))
                drop-shadow(0 0 2.1875rem rgba(240, 147, 251, 0.2));
    }
    100% {
        -webkit-filter: drop-shadow(0 0 0.9375rem rgba(102, 126, 234, 0.6))
                drop-shadow(0 0 1.5625rem rgba(102, 126, 234, 0.4))
                drop-shadow(0 0 2.1875rem rgba(102, 126, 234, 0.2));
        filter: drop-shadow(0 0 0.9375rem rgba(102, 126, 234, 0.6))
                drop-shadow(0 0 1.5625rem rgba(102, 126, 234, 0.4))
                drop-shadow(0 0 2.1875rem rgba(102, 126, 234, 0.2));
    }
}

@keyframes logo-gradient-glow {
    0% {
        -webkit-filter: drop-shadow(0 0 0.9375rem rgba(102, 126, 234, 0.6))
                drop-shadow(0 0 1.5625rem rgba(102, 126, 234, 0.4))
                drop-shadow(0 0 2.1875rem rgba(102, 126, 234, 0.2));
        filter: drop-shadow(0 0 0.9375rem rgba(102, 126, 234, 0.6))
                drop-shadow(0 0 1.5625rem rgba(102, 126, 234, 0.4))
                drop-shadow(0 0 2.1875rem rgba(102, 126, 234, 0.2));
    }
    33% {
        -webkit-filter: drop-shadow(0 0 0.9375rem rgba(118, 75, 162, 0.6))
                drop-shadow(0 0 1.5625rem rgba(118, 75, 162, 0.4))
                drop-shadow(0 0 2.1875rem rgba(118, 75, 162, 0.2));
        filter: drop-shadow(0 0 0.9375rem rgba(118, 75, 162, 0.6))
                drop-shadow(0 0 1.5625rem rgba(118, 75, 162, 0.4))
                drop-shadow(0 0 2.1875rem rgba(118, 75, 162, 0.2));
    }
    66% {
        -webkit-filter: drop-shadow(0 0 0.9375rem rgba(240, 147, 251, 0.6))
                drop-shadow(0 0 1.5625rem rgba(240, 147, 251, 0.4))
                drop-shadow(0 0 2.1875rem rgba(240, 147, 251, 0.2));
        filter: drop-shadow(0 0 0.9375rem rgba(240, 147, 251, 0.6))
                drop-shadow(0 0 1.5625rem rgba(240, 147, 251, 0.4))
                drop-shadow(0 0 2.1875rem rgba(240, 147, 251, 0.2));
    }
    100% {
        -webkit-filter: drop-shadow(0 0 0.9375rem rgba(102, 126, 234, 0.6))
                drop-shadow(0 0 1.5625rem rgba(102, 126, 234, 0.4))
                drop-shadow(0 0 2.1875rem rgba(102, 126, 234, 0.2));
        filter: drop-shadow(0 0 0.9375rem rgba(102, 126, 234, 0.6))
                drop-shadow(0 0 1.5625rem rgba(102, 126, 234, 0.4))
                drop-shadow(0 0 2.1875rem rgba(102, 126, 234, 0.2));
    }
}

/* --------------------------------------------
   NAV MENU
   Desktop navigation links
   -------------------------------------------- */
.nav-menu {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    list-style: none;
    gap: 2rem;
    -ms-flex-negative: 1;
    flex-shrink: 1;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    margin-left: 8rem;
}

/* Navigation links */
.nav-menu a {
    color: var(--color-text-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.0625rem;
    -webkit-transition: color var(--transition-base);
    transition: color var(--transition-base);
}

.nav-menu a:hover {
    color: var(--color-text);
}

/* Contact button στο nav */
.btn-nav {
    padding: 0.75rem 1.5rem;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    color: var(--color-text) !important;
    text-decoration: none;
    font-weight: 600;
    -webkit-transition: all var(--transition-base);
    transition: all var(--transition-base);
}

.btn-nav:hover {
    -webkit-transform: translateY(-0.125rem);
    transform: translateY(-0.125rem);
    box-shadow: 0 0.625rem 1.875rem rgba(102, 126, 234, 0.3);
}

/* --------------------------------------------
   MOBILE MENU (Burger)
   Hamburger menu για mobile
   -------------------------------------------- */
.burger {
    display: none;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    gap: 0.375rem;
    cursor: pointer;
    margin-left: auto;
    padding: 0.5rem;
    z-index: 1001;
}

.burger span {
    width: 1.5625rem;
    height: 0.125rem;
    background: var(--color-text);
    -webkit-transition: all var(--transition-base);
    transition: all var(--transition-base);
    border-radius: 0.125rem;
}

/* Burger animation - Μετατροπή σε X */
.burger.active span:nth-child(1) {
    -webkit-transform: rotate(45deg) translate(0.375rem, 0.375rem);
    transform: rotate(45deg) translate(0.375rem, 0.375rem);
}

.burger.active span:nth-child(2) {
    opacity: 0;
}

.burger.active span:nth-child(3) {
    -webkit-transform: rotate(-45deg) translate(0.375rem, -0.375rem);
    transform: rotate(-45deg) translate(0.375rem, -0.375rem);
}

/* --------------------------------------------
   MOBILE MENU STYLES
   Styles για mobile navigation menu
   -------------------------------------------- */
@media (max-width: 48rem) {
    .nav-menu {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 100vh;
        height: 100dvh;
        background: rgba(0, 0, 0, 0.98);
        -webkit-backdrop-filter: blur(1.25rem);
        backdrop-filter: blur(1.25rem);
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
        -ms-flex-direction: column;
        flex-direction: column;
        -webkit-box-pack: start;
        -ms-flex-pack: start;
        justify-content: flex-start;
        -webkit-box-align: center;
        -ms-flex-align: center;
        align-items: center;
        gap: 1.25rem;
        margin-left: 0;
        padding: 5rem 2rem 2rem 2rem;
        z-index: 999;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* Ενεργοποιημένο mobile menu */
    .nav-menu.active {
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
    }

    .nav-menu a {
        font-size: 1.15rem;
        padding: 0.75rem 1.5rem;
        text-align: center;
        display: block;
        width: 100%;
    }

    .nav-menu a:hover,
    .nav-menu a:active {
        color: var(--color-primary);
    }

    .nav-menu li {
        list-style: none;
        width: 100%;
        max-width: 18rem;
        text-align: center;
    }

    /* Contact button στο mobile menu */
    .nav-menu .btn-nav {
        margin-top: 1rem;
        padding: 1rem 2rem;
        font-size: 1rem;
        width: auto;
        display: inline-block;
    }

    .burger {
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        background: none;
        border: none;
        z-index: 1001;
        -webkit-tap-highlight-color: transparent;
    }

    .burger span {
        width: 1.75rem;
    }

    .navbar {
        padding: 0.75rem 1rem;
        background: rgba(0, 0, 0, 0.95);
        z-index: 1000;
    }

    .navbar.scrolled {
        padding: 0.5rem 1rem;
        background: rgba(0, 0, 0, 0.98);
    }

    .logo-image {
        height: clamp(2.5rem, 7vw, 3.5rem);
    }

    /* Language selector in mobile menu */
    .nav-menu .language-selector {
        margin-top: 1.5rem;
    }

    .nav-menu .lang-current {
        padding: 0.75rem 1.25rem;
    }

    .nav-menu .lang-dropdown {
        position: static;
        margin-top: 0.5rem;
        -webkit-transform: none;
        transform: none;
    }

    .section-header {
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
        -ms-flex-direction: column;
        flex-direction: column;
        gap: 1rem;
        margin-bottom: 2rem;
    }

    .section-title {
        font-size: clamp(1.5rem, 5vw, 2.5rem);
        text-align: center;
        line-height: 1.2;
    }

    .section-desc {
        text-align: center;
        font-size: 1rem;
    }
}

@media (max-width: 30rem) {
    .navbar {
        padding: 0.5rem 0.75rem;
        background: rgba(0, 0, 0, 0.95);
        z-index: 1000;
    }

    .navbar.scrolled {
        padding: 0.4rem 0.75rem;
        background: rgba(0, 0, 0, 0.98);
    }

    .logo-image {
        height: 2.25rem;
    }

    .burger {
        padding: 0.35rem;
    }

    .burger span {
        width: 1.35rem;
        height: 2px;
    }

    .nav-menu {
        gap: 0.75rem;
        padding: 4rem 1rem 1.5rem 1rem;
    }

    .nav-menu a {
        font-size: 0.95rem;
        padding: 0.5rem 1rem;
    }

    .nav-menu .btn-nav {
        padding: 0.75rem 1.5rem;
        font-size: 0.85rem;
    }

    .nav-menu .lang-current {
        padding: 0.5rem 0.875rem;
        font-size: 0.75rem;
    }

    .section-title {
        font-size: clamp(1.15rem, 6vw, 1.75rem);
    }

    .section-desc {
        font-size: 0.85rem;
        line-height: 1.5;
    }
}

/* ============================================
   LANGUAGE SELECTOR
   Dropdown για επιλογή γλώσσας
   Αφορά: Όλες τις σελίδες
   ============================================ */
.nav-menu .language-selector {
    position: relative;
    list-style: none;
}

/* Current language button */
.lang-current {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(118, 75, 162, 0.15));
    border: 1px solid rgba(102, 126, 234, 0.4);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    -webkit-transition: all var(--transition-base);
    transition: all var(--transition-base);
    text-transform: uppercase;
}

.lang-current:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.25), rgba(118, 75, 162, 0.25));
    border-color: rgba(102, 126, 234, 0.6);
    -webkit-transform: translateY(-0.125rem);
    transform: translateY(-0.125rem);
}

/* Flag icon container */
.lang-current .flag-icon {
    width: 1.5rem;
    height: 1rem;
    display: inline-block;
    border-radius: 0.125rem;
    overflow: hidden;
}

.lang-current .flag-icon svg {
    width: 100%;
    height: 100%;
    display: block;
}

.lang-current .lang-text {
    font-size: 0.9rem;
    letter-spacing: 0.0625rem;
    font-weight: 700;
}

/* Arrow indicator */
.lang-current .arrow {
    font-size: 0.6rem;
    margin-left: 0.2rem;
    -webkit-transition: -webkit-transform var(--transition-base);
    transition: transform var(--transition-base);
}

.language-selector:hover .arrow {
    -webkit-transform: rotate(180deg);
    transform: rotate(180deg);
}

/* --------------------------------------------
   LANGUAGE DROPDOWN
   Dropdown menu με γλώσσες
   -------------------------------------------- */
.lang-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 10rem;
    background: rgba(10, 10, 10, 0.95);
    -webkit-backdrop-filter: blur(1.25rem);
    backdrop-filter: blur(1.25rem);
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: var(--radius-md);
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    -webkit-transform: translateY(-0.625rem);
    transform: translateY(-0.625rem);
    -webkit-transition: all var(--transition-base);
    transition: all var(--transition-base);
    z-index: 1000;
    box-shadow: 0 0.625rem 2.5rem rgba(0, 0, 0, 0.5);
}

/* Show dropdown on hover */
.language-selector:hover .lang-dropdown {
    opacity: 1;
    visibility: visible;
    -webkit-transform: translateY(0);
    transform: translateY(0);
}

/* Language option button */
.lang-option {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 0.8rem;
    width: 100%;
    padding: 0.7rem 1rem;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-text-light);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    -webkit-transition: all var(--transition-fast);
    transition: all var(--transition-fast);
    text-align: left;
}

.lang-option:hover {
    background: rgba(102, 126, 234, 0.2);
    color: var(--color-text);
}

/* Active language state */
.lang-option.active {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.3), rgba(118, 75, 162, 0.3));
    color: var(--color-text);
}

.lang-option .flag-icon {
    width: 1.5rem;
    height: 1rem;
    display: inline-block;
    border-radius: 0.125rem;
    overflow: hidden;
}

.lang-option .flag-icon svg {
    width: 100%;
    height: 100%;
    display: block;
}

.lang-option .lang-text {
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.03125rem;
}

/* ============================================
   FOOTER
   Footer section με copyright
   Αφορά: Όλες τις σελίδες
   ============================================ */
.footer {
    padding: 1.5rem 0;
    text-align: center;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
}

.footer p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.9rem;
}

@media (max-width: 30rem) {
    .footer {
        padding: 1rem 0;
    }

    .footer p {
        font-size: 0.75rem;
    }
}

/* ============================================
   CONTACT SECTION (Shared)
   Contact cards που εμφανίζονται σε πολλές σελίδες
   Αφορά: Home page, Services page
   ============================================ */
.contact {
    background: var(--color-bg);
}

/* Lead text πάνω από τα cards */
.contact-lead {
    font-size: 1.5rem;
    color: var(--color-text-light);
    margin-bottom: 3rem;
    text-align: center;
}

/* Grid για contact cards */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(18.75rem, 1fr));
    gap: 2rem;
    max-width: 62.5rem;
    margin: 0 auto;
}

/* Contact card - Email, GitHub, LinkedIn */
.contact-card {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    -webkit-transition: all var(--transition-base);
    transition: all var(--transition-base);
}

.contact-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(102, 126, 234, 0.5);
    -webkit-transform: translateY(-0.3125rem);
    transform: translateY(-0.3125rem);
}

/* Contact icon container */
.contact-icon {
    width: 3.125rem;
    height: 3.125rem;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    background: rgba(102, 126, 234, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    -ms-flex-negative: 0;
    flex-shrink: 0;
}

.contact-card h3,
.contact-card h4 {
    color: var(--color-text);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.contact-card p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Responsive contact cards */
@media (max-width: 48rem) {
    .contact-lead {
        font-size: 1.1rem;
        margin-bottom: 2rem;
        line-height: 1.6;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .contact-card {
        padding: 1.5rem;
        gap: 1rem;
    }

    .contact-card:hover {
        -webkit-transform: none;
        transform: none;
    }

    .contact-icon {
        width: 2.5rem;
        height: 2.5rem;
    }

    .contact-icon svg {
        width: 1.25rem;
        height: 1.25rem;
    }
}

@media (max-width: 30rem) {
    .contact-lead {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .contact-grid {
        gap: 0.75rem;
    }

    .contact-card {
        padding: 1rem;
        gap: 0.875rem;
        border-radius: var(--radius-md);
    }

    .contact-icon {
        width: 2rem;
        height: 2rem;
    }

    .contact-icon svg {
        width: 1rem;
        height: 1rem;
    }

    .contact-card h3,
    .contact-card h4 {
        font-size: 0.85rem;
        margin-bottom: 0.125rem;
    }

    .contact-card p {
        font-size: 0.75rem;
        word-break: break-word;
    }
}