/* ==========================================================================
   Gönül Günay Abiye - CSS Style System
   ========================================================================== */

/* Design Tokens & CSS Variables */
:root {
    --color-bg-main: #0a0a0a;
    --color-bg-sec: #121212;
    --color-bg-card: #1a1a1a;
    --color-bg-hover: #222222;
    
    --color-accent: #d4af37; /* Champagne Gold */
    --color-accent-hover: #b8860b;
    --color-accent-light: #f3e5ab;
    
    --color-text-primary: #ffffff;
    --color-text-secondary: #b5b5b5;
    --color-text-muted: #757575;
    
    --font-heading: 'Cormorant Garamond', serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-fast: all 0.2s ease-in-out;
    
    --container-width: 1200px;
    --header-height: 80px;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--color-bg-main);
    color: var(--color-text-secondary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Helper Utilities */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.text-center {
    text-align: center;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-main);
}

::-webkit-scrollbar-thumb {
    background: var(--color-accent);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-hover);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 30px;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 0;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-bg-main);
    border: 1px solid var(--color-accent);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--color-accent);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-text-primary);
}

.btn-secondary:hover {
    background-color: var(--color-text-primary);
    color: var(--color-bg-main);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
}

.btn-outline:hover {
    background-color: var(--color-accent);
    color: var(--color-bg-main);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.8rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Top Bar */
.top-bar {
    background-color: var(--color-bg-main);
    border-bottom: 1px solid rgba(212, 175, 55, 0.15);
    padding: 8px 0;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.top-bar-item {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--color-text-muted);
}

.top-bar-item i {
    color: var(--color-accent);
}

/* Header & Sticky Menu */
.main-header {
    background-color: rgba(10, 10, 10, 0.95);
    height: var(--header-height);
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
}

.main-header.scrolled {
    height: 70px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.5);
    background-color: var(--color-bg-main);
}

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

/* Logo Design */
.logo {
    display: flex;
    flex-direction: column;
}

.logo-sub {
    font-size: 0.7rem;
    letter-spacing: 4px;
    color: var(--color-text-primary);
    font-weight: 300;
}

.logo-main {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--color-accent);
    line-height: 1;
    margin-top: 2px;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 1px;
    text-transform: uppercase;
    position: relative;
    padding: 10px 0;
    color: var(--color-text-secondary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
    color: var(--color-accent);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Mobile Hamburger Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 25px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: var(--transition-fast);
}

/* Hero Section */
.hero-section {
    position: relative;
    height: calc(100vh - var(--header-height) - 33px);
    min-height: 500px;
    background-image: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('https://images.unsplash.com/photo-1566174053879-31528523f8ae?auto=format&fit=crop&w=1600&q=80');
    background-size: cover;
    background-position: center 30%;
    display: flex;
    align-items: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, transparent 20%, var(--color-bg-main) 90%);
    pointer-events: none;
}

.hero-container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 650px;
}

.hero-subtitle {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 20px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    color: var(--color-text-primary);
    line-height: 1.1;
    font-weight: 300;
    margin-bottom: 25px;
}

.hero-title .highlight {
    font-style: italic;
    font-weight: 400;
}

.hero-desc {
    font-size: 1.1rem;
    font-weight: 300;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
}

.hero-btns {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* Mouse Scroll indicator */
.scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-text-muted);
    z-index: 2;
}

.mouse-icon {
    width: 20px;
    height: 35px;
    border: 1px solid var(--color-text-muted);
    border-radius: 10px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 1.5s infinite;
}

@keyframes scroll-wheel {
    0% { top: 6px; opacity: 1; }
    50% { top: 15px; opacity: 0.3; }
    100% { top: 6px; opacity: 1; }
}

/* General Section Header Elements */
section {
    padding: 100px 0;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    color: var(--color-text-primary);
    margin-bottom: 25px;
}

.section-subtitle {
    max-width: 600px;
    margin: 0 auto 50px auto;
    color: var(--color-text-secondary);
}

/* About Section Styles */
.about-section {
    background-color: var(--color-bg-sec);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-images {
    position: relative;
    display: grid;
    grid-template-columns: 10fr 2fr; /* Creates relative overlap positioning */
}

.img-wrapper {
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0,0,0,0.5);
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.main-img {
    grid-column: 1;
    z-index: 1;
}

.main-img img {
    width: 100%;
    height: 480px;
    object-fit: cover;
}

.sub-img {
    grid-column: 2;
    position: absolute;
    left: -120px;
    bottom: -40px;
    z-index: 2;
    width: 250px;
}

.sub-img img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.about-content {
    padding-left: 20px;
}

.about-text {
    margin-bottom: 20px;
    font-size: 1rem;
    line-height: 1.7;
}

.features-list {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.feature-item {
    display: flex;
    gap: 20px;
}

.feature-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    border: 1px solid rgba(212, 175, 55, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: 1.2rem;
}

.feature-item h3 {
    color: var(--color-text-primary);
    font-size: 1.1rem;
    margin-bottom: 5px;
    font-weight: 500;
}

.feature-item p {
    font-size: 0.9rem;
}

/* Collection & Portfolio Filter styles */
.collection-section {
    background-color: var(--color-bg-main);
}

.filter-controls {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

.filter-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-secondary);
    padding: 8px 24px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* Portfolio grid cards */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.portfolio-item {
    background-color: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.03);
    transition: var(--transition-smooth);
    opacity: 1;
    transform: scale(1);
}

.portfolio-item.hide {
    display: none;
}

.portfolio-img-wrapper {
    position: relative;
    overflow: hidden;
    height: 400px;
}

.portfolio-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.portfolio-hover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 10, 10, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
    padding: 20px;
}

.portfolio-item:hover .portfolio-img-wrapper img {
    transform: scale(1.05);
}

.portfolio-item:hover .portfolio-hover {
    opacity: 1;
}

.portfolio-info {
    padding: 20px;
}

.item-category {
    font-size: 0.75rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    display: block;
    margin-bottom: 5px;
}

.item-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--color-text-primary);
}

/* Instagram section styles */
.instagram-section {
    background-color: var(--color-bg-sec);
}

.instagram-btn {
    margin-top: 10px;
}

.instagram-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.insta-post {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.insta-post img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.insta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(212, 175, 55, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-bg-main);
    font-size: 2rem;
    opacity: 0;
    transition: var(--transition-smooth);
}

.insta-post:hover img {
    transform: scale(1.08);
}

.insta-post:hover .insta-overlay {
    opacity: 1;
}

/* Contact & Appointment Section Styles */
.contact-section {
    background-color: var(--color-bg-main);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.contact-info-container {
    display: flex;
    flex-direction: column;
}

.contact-desc {
    margin-bottom: 40px;
}

.info-details {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-card {
    display: flex;
    gap: 20px;
}

.info-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background-color: var(--color-bg-card);
    border: 1px solid rgba(212, 175, 55, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: 1.2rem;
}

.info-text h3 {
    color: var(--color-text-primary);
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 5px;
}

.info-text p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 40px;
}

.social-links a {
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--color-text-secondary);
}

.social-links a:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-3px);
}

/* Contact Form UI elements */
.contact-form-container {
    background-color: var(--color-bg-card);
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.form-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 400;
    color: var(--color-text-primary);
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px 15px;
    background-color: var(--color-bg-main);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    border-radius: 0;
    transition: var(--transition-fast);
}

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

/* Map frame wrap */
.map-wrapper {
    width: 100%;
    margin-top: 40px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Footer Section */
.main-footer {
    padding: 60px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background-color: var(--color-bg-main);
}

.footer-logo {
    margin-bottom: 20px;
    display: inline-flex;
}

.footer-copy {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* Floating WhatsApp icon */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    z-index: 999;
    transition: var(--transition-smooth);
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(0,0,0,0.4);
}

.floating-whatsapp .tooltip-text {
    visibility: hidden;
    position: absolute;
    right: 75px;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--color-bg-card);
    color: var(--color-text-primary);
    padding: 6px 15px;
    font-size: 0.8rem;
    white-space: nowrap;
    border: 1px solid var(--color-accent);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.floating-whatsapp:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* Media Queries (Responsive Styling) */

@media (max-width: 991px) {
    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-content {
        padding-left: 0;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .instagram-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .sub-img {
        left: auto;
        right: -20px;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    .top-bar {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--color-bg-main);
        flex-direction: column;
        justify-content: center;
        gap: 30px;
        transition: var(--transition-smooth);
        z-index: 999;
    }
    
    .nav-menu.open {
        left: 0;
    }
    
    .nav-link {
        font-size: 1.2rem;
    }
    
    .header-actions {
        margin-right: 15px;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-btns {
        justify-content: center;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .sub-img {
        display: none;
    }
    
    .about-images {
        grid-template-columns: 1fr;
    }
    
    .header-actions .btn {
        display: none; /* Hide Randevu button on very small screens to fit logo */
    }
}