/* ==========================================================================
   1. MASTER CONFIGURATION & CHAMELEON VARIABLES
   ========================================================================== */
:root {
    --bg-ice: #f4f7f6;         
    --bg-ash: #eaeaea;         
    --bg-dark-section: #1d0f11;
    --bg-box-white: #ffffff;   

    --text-main: #111827;      
    --text-muted: #4b5563;     
    --text-light: #f9fafb;     
    --color-accent: #a78bfa;   

    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
}

/* Base Reset */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background-color: var(--bg-ice);
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img { width: 100%; height: 100%; object-fit: cover; display: block; }

.container {
    width: 100%; max-width: 1200px;
    margin: 0 auto; padding: 0 24px;
}

.bg-ice { background-color: var(--bg-ice); }
.bg-ash { background-color: var(--bg-ash); }
.bg-dark { background-color: var(--bg-dark-section); color: var(--text-light); }

.center-header { text-align: center; margin-bottom: 60px; }
.section-tag { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 3px; color: var(--text-muted); display: block; margin-bottom: 12px; }
.bg-dark .section-tag { color: var(--color-accent); }
.section-title { font-family: var(--font-heading); font-size: 38px; font-weight: 400; letter-spacing: -0.5px; }

/* ==========================================================================
   2. NAVBAR & BURGER
   ========================================================================== */
.navbar {
    position: fixed; top: 0; left: 0; width: 100%; height: 80px;
    background-color: #f4f7f6; z-index: 100;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.nav-container {
    height: 100%; display: flex; align-items: center; justify-content: space-between;
}

.nav-logo { font-family: var(--font-heading); font-size: 22px; text-decoration: none; color: var(--text-main); letter-spacing: 1px; font-weight: 600; }
.nav-logo span { color: var(--text-muted); }

.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { text-decoration: none; color: var(--text-main); font-size: 14px; font-weight: 500; transition: opacity 0.2s; }
.nav-links a:hover { opacity: 0.6; }

.nav-cta-desktop { text-decoration: none; background-color: var(--text-main); color: #fff; padding: 12px 24px; font-size: 13px; font-weight: 500; transition: background 0.2s; }
.nav-cta-desktop:hover { background-color: var(--text-muted); }
.nav-cta-mobile { display: none; }

/* ==========================================================================
   HEADER IMAGE LOGO STYLES (NAILS)
   ========================================================================== */
/*.nav-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  cursor: pointer;
}

.logo-img {
  height: 40px; 
  width: auto;  
  display: block;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.nav-logo:hover .logo-img {
  opacity: 0.85;
  transform: scale(1.02);
}*/

/* Responsive για κινητά */
/*@media (max-width: 768px) {
  .logo-img {
    height: 32px;
  }
}*/

.burger { 
    display: none; 
    flex-direction: column;
    justify-content: space-between;
    width: 24px; 
    height: 16px; 
    cursor: pointer; 
    z-index: 101;
}
.burger span { 
    display: block;
    width: 100%; 
    height: 2px; 
    background-color: var(--text-main); 
    transition: all 0.3s ease; 
}

/* ==========================================================================
   3. HERO SECTION & FADE CAROUSEL
   ========================================================================== */
.hero-section {
    position: relative; width: 100%; height: 90vh; min-height: 600px;
    display: flex; align-items: center; overflow: hidden; z-index: 1;
}

.carousel-container { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 2; }
.carousel-slide { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-size: cover; background-position: center; opacity: 0; transition: opacity 1.5s ease-in-out; }
.carousel-slide.active { opacity: 1; }

.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.35); }

.hero-text-box {
    position: relative; z-index: 5; max-width: 600px; padding: 40px;
    background-color: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #ffffff; margin-top: 40px;
}

.hero-title { font-family: var(--font-heading); font-size: 56px; font-weight: 400; line-height: 1.15; margin-bottom: 16px; }
.hero-subtitle { font-size: 15px; line-height: 1.6; opacity: 0.85; margin-bottom: 30px; font-weight: 300; }

.btn-hero { 
    display: inline-block; 
    text-decoration: none; 
    color: #ffffff; 
    border: 1px solid #ffffff; 
    padding: 12px 28px; 
    font-size: 13px; 
    font-weight: 500; 
    text-transform: uppercase; 
    letter-spacing: 1px; 
    transition: all 0.3s ease; 
}
.btn-hero:hover { 
    background-color: #ffffff; 
    color: var(--text-main); 
}

.carousel-indicators {
    position: absolute; bottom: 30px; left: 50%;
    transform: translateX(-50%); z-index: 10;
    display: flex; gap: 12px;
}
.indicator {
    width: 8px; height: 8px; background-color: rgba(255,255,255,0.4);
    cursor: pointer; transition: all 0.3s ease;
}
.indicator.active {
    background-color: #ffffff; transform: scale(1.3);
}

/* ==========================================================================
   4. PHILOSOPHY SECTION
   ========================================================================== */
.philosophy-section { padding: 120px 0; }
.split-layout { display: grid; grid-template-columns: repeat(2, 1fr); gap: 80px; align-items: center; }
.split-image { height: 480px; }

.split-content .section-title { margin-bottom: 24px; }
.section-desc { font-size: 16px; line-height: 1.7; color: var(--text-muted); font-weight: 300; }

/* ==========================================================================
   5. SERVICES SECTION (3 Boxes - Premium Smooth Hover)
   ========================================================================== */
.services-section { padding: 120px 0 160px; }
.asymmetric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; align-items: stretch; }

.service-box { 
    background-color: var(--bg-box-white); 
    display: flex; 
    flex-direction: column; 
    transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    will-change: transform, box-shadow;
}

/* Η ασυμμετρία: Το μεσαίο box κάθεται μόνιμα 60px πιο κάτω */
.service-box.middle-down { 
    margin-top: 60px; 
}

.service-img-wrapper { 
    height: 320px; 
    overflow: hidden; 
    position: relative; 
}

/* Ομαλό transition για την εικόνα */
.service-img-wrapper img {
    transition: transform 0.7s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Premium Hover Κίνηση: Σήκωμα, σκιά και zoom στην εικόνα */
.service-box:hover {
    box-shadow: 0 30px 60px rgba(17, 24, 39, 0.06);
    /* Ξεκινά από τη θέση ηρεμίας (0) -> καμία απότομη μετάβαση μόλις γίνει hover */
    animation: service-box-float 3.5s ease-in-out infinite;
}

/* Απαλή αιώρηση: το box ανεβοκατεβαίνει ελαφρώς γύρω από τη θέση ηρεμίας */
@keyframes service-box-float {
    0%   { transform: translateY(0); }
    50%  { transform: translateY(-12px); }
    100% { transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
    .service-box:hover { animation: none; transform: translateY(-6px); }
}

.service-box:hover .service-img-wrapper img {
    transform: scale(1.06);
}

.service-info { padding: 32px; display: flex; flex-direction: column; flex-grow: 1; }
.service-info h3 { font-family: var(--font-heading); font-size: 22px; font-weight: 400; margin-bottom: 12px; }
.service-info p { font-size: 14px; color: var(--text-muted); line-height: 1.6; margin-bottom: 24px; flex-grow: 1; }

.service-footer { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid #eee; padding-top: 20px; }
.price { font-size: 16px; font-weight: 600; }
.service-link { text-decoration: none; color: var(--text-main); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; border-bottom: 1px solid var(--text-main); padding-bottom: 2px; transition: opacity 0.2s; }
.service-link:hover { opacity: 0.6; }

/* ==========================================================================
   6. OUR GALLERY
   ========================================================================== */
.gallery-section { padding: 120px 0; }
.mosaic-grid { display: grid; grid-template-columns: 4fr 6fr; gap: 16px; }

.mosaic-large { height: 600px; }
.mosaic-right-group { display: flex; flex-direction: column; gap: 16px; justify-content: space-between; }
.mosaic-top-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.mosaic-small { height: 292px; }
.mosaic-wide { height: 292px; }

/* ==========================================================================
   7. THE EXPERIENCE SPOTLIGHT
   ========================================================================== */
.experience-section { padding: 120px 0; }
.experience-layout { display: grid; grid-template-columns: 5.5fr 4.5fr; gap: 60px; align-items: flex-start; }

.experience-heading { font-family: var(--font-heading); font-size: 46px; font-weight: 400; line-height: 1.15; margin-bottom: 30px; }
.experience-main-text { font-size: 16px; line-height: 1.7; opacity: 0.8; margin-bottom: 48px; font-weight: 300; }

.experience-features { display: flex; flex-direction: column; gap: 32px; }
.feature-item { display: flex; gap: 16px; align-items: flex-start; }
.feature-icon { font-size: 18px; color: var(--color-accent); line-height: 1; }
.feature-item h3 { font-size: 16px; font-weight: 500; margin-bottom: 6px; letter-spacing: 0.5px; }
.feature-item p { font-size: 14px; opacity: 0.7; line-height: 1.5; font-weight: 300; }

.spotlight-card { background-color: var(--bg-box-white); color: var(--text-main); padding: 48px; display: flex; flex-direction: column; }
.spotlight-tag { font-size: 10px; font-weight: 700; letter-spacing: 2px; color: var(--text-muted); margin-bottom: 32px; }

.spotlight-profile { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.spotlight-avatar { width: 64px; height: 64px; }
.spotlight-meta h4 { font-family: var(--font-heading); font-size: 18px; font-weight: 600; margin-bottom: 4px; }
.spotlight-meta span { font-size: 10px; font-weight: 600; letter-spacing: 1px; color: var(--text-muted); }

.spotlight-quote { font-family: var(--font-heading); font-size: 18px; line-height: 1.6; color: var(--text-muted); font-style: italic; margin-bottom: 40px; position: relative; }

.btn-spotlight { text-decoration: none; background-color: var(--text-main); color: #fff; text-align: center; padding: 16px; font-size: 12px; font-weight: 600; letter-spacing: 1px; transition: background 0.2s; }
.btn-spotlight:hover { background-color: var(--text-muted); }

/* ==========================================================================
   8. TESTIMONIALS & CONTACT
   ========================================================================== */
.reviews-section { padding: 120px 0; }
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }

.review-card { 
    background-color: var(--bg-box-white); 
    padding: 40px; 
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.review-card:hover { 
    transform: translateY(-12px); 
    border-color: rgba(0, 0, 0, 0.15);
    box-shadow: 0 20px 35px rgba(17, 24, 39, 0.08); 
}

.stars { color: #000; font-size: 14px; margin-bottom: 16px; }
.review-text { font-size: 14.5px; line-height: 1.65; color: var(--text-muted); font-style: italic; margin-bottom: 24px; }
.review-author { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; }

/* Contact Form */
.contact-section { padding: 120px 0; }
.contact-form-box { display: flex; flex-direction: column; justify-content: center; }
.contact-form-box .section-title { margin-bottom: 40px; }
.raw-form { display: flex; flex-direction: column; gap: 24px; }
.form-group input, .form-group textarea { width: 100%; padding: 16px 0; background: transparent; border: none; border-bottom: 1px solid rgba(0,0,0,0.15); font-family: var(--font-body); font-size: 14px; color: var(--text-main); outline: none; transition: border-color 0.2s; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--text-main); }
.btn-submit { background: var(--text-main); color: #fff; border: none; padding: 16px; font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; cursor: pointer; transition: background 0.2s; }
.btn-submit:hover { background: var(--text-muted); }

.contact-map-box { height: 450px; }

/* ==========================================================================
   9. FOOTER
   ========================================================================== */
.main-footer { background-color: var(--text-main); color: rgba(255,255,255,0.6); padding: 80px 0 40px; font-size: 14px; }
.footer-grid { display: grid; 
    grid-template-columns: 4fr 4fr 4fr; 
    gap: 60px; margin-bottom: 60px; }
.footer-info .footer-logo { color: #fff; display: inline-block; margin-bottom: 16px; text-decoration: none;}
.footer-grid h3 { color: #fff; font-size: 15px; font-weight: 500; margin-bottom: 20px; letter-spacing: 0.5px; }
.footer-grid p { margin-bottom: 10px; line-height: 1.6; font-weight: 300; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.05); padding-top: 30px; text-align: center; font-size: 12px; }

/* ==========================================================================
   FOOTER IMAGE LOGO STYLES (NAILS)
   ========================================================================== */
/*.footer-logo {
  display: inline-block;
  text-decoration: none;
  cursor: pointer;
  margin-bottom: 15px; 
}

.footer-logo-img {
  height: 40px; 
  width: auto;  
  display: block;
  transition: opacity 0.3s ease;
}

.footer-logo:hover .footer-logo-img {
  opacity: 0.85;
}*/

/* Responsive για κινητά */
/*@media (max-width: 768px) {
  .footer-logo-img {
    height: 32px;
  }
}*/

/* ==========================================================================
   10. SCROLL REVEAL CONFIGURATION (Απαλό Scroll Effect)
   ========================================================================== */
.scroll-reveal { 
    opacity: 0; 
    transform: translateY(30px); 
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
    will-change: opacity, transform;
}

.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
    .burger { display: flex; }
    
    .navbar { height: 70px; }
    .nav-links { 
        position: fixed; top: 70px; left: -100%; width: 100%; 
        height: calc(100vh - 70px); background-color: #f4f7f6; 
        flex-direction: column; justify-content: center; gap: 40px; 
        transition: left 0.4s ease; z-index: 99; 
    }
    .nav-links.open { left: 0; }
    .nav-cta-desktop { display: none; }
    
    .nav-cta-mobile { 
        display: block; 
        background: var(--text-main); 
        color: #ffffff !important; 
        padding: 16px 40px; 
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 1px;
        text-align: center;
        text-decoration: none;
    }
    
    .burger.toggle .line1 { transform: rotate(-45deg) translate(-5px, 5px); }
    .burger.toggle .line2 { opacity: 0; }
    .burger.toggle .line3 { transform: rotate(45deg) translate(-5px, -5px); }

    .asymmetric-grid { grid-template-columns: 1fr; gap: 40px; }
    .service-box.middle-down { margin-top: 0; } 
    .service-box:hover { transform: translateY(-5px); } 
    .service-box:hover .service-img-wrapper img { transform: scale(1.04); }
    
    .mosaic-grid { grid-template-columns: 1fr; }
    .mosaic-large { height: 400px; }
    .split-layout { grid-template-columns: 1fr; gap: 40px; }
    .split-image { height: 350px; }
    .experience-layout { grid-template-columns: 1fr; gap: 50px; }
    .reviews-grid { grid-template-columns: 1fr; gap: 20px; }
    .footer-grid { grid-template-columns: 1fr; gap: 40px; }
    .hero-title { font-size: 42px; }
}

@media (max-width: 768px) {
    .hero-title { font-size: 34px; }
    .hero-text-box { padding: 24px; }
    .section-title { font-size: 30px; }
}