/* ==========================================================================
   BAYRAM CNC - GLOBAL DESIGN SYSTEM
   ========================================================================== */

/* --- 1. VARIABLES --- */
:root {
    --color-primary: #5A3E2B;
    --color-primary-dark: #3E291C;
    --color-primary-light: #8A654C;
    
    --color-surface: #F9F8F6;
    --color-surface-alt: #EFEBE7;
    --color-white: #FFFFFF;
    
    --color-text-dark: #1A1A1A;
    --color-text-muted: #595959;
    --color-text-light: #A6A6A6;
    
    --color-border: rgba(0, 0, 0, 0.08);
    --color-border-light: rgba(255, 255, 255, 0.15);

    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    
    --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-bounce: cubic-bezier(0.175, 0.885, 0.32, 1.1);
    --transition-fast: 0.2s var(--ease-standard);
    --transition-base: 0.4s var(--ease-standard);
}

/* --- 2. RESET & BASE --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    color: var(--color-text-dark);
    background-color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

ul, ol { list-style: none; }
a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
img, picture, svg { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; }

:focus-visible {
    outline: 2px solid var(--color-primary-light);
    outline-offset: 4px;
}

/* --- 3. LAYOUT --- */
.container {
    width: 90%;
    max-width: 1240px;
    margin: 0 auto;
}

.section-padding {
    padding: 100px 0;
}

.section-heading {
    text-align: center;
    margin-bottom: 60px;
}

.section-heading h2, 
.section-heading h3 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.75rem);
    color: var(--color-text-dark);
    margin-bottom: 20px;
    line-height: 1.2;
}

.section-heading p {
    color: var(--color-text-muted);
    max-width: 650px;
    margin: 0 auto;
    font-size: 1.05rem;
}

/* --- 4. BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    border-radius: 2px;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
    text-align: center;
    user-select: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(90, 62, 43, 0.15);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-dark);
    border-color: var(--color-border);
}

@media (hover: hover) {
    .btn-primary:hover {
        background-color: var(--color-primary-dark);
        box-shadow: 0 8px 25px rgba(90, 62, 43, 0.25);
        transform: translateY(-2px);
    }
    
    .btn-secondary:hover {
        border-color: var(--color-text-dark);
        background-color: var(--color-surface);
    }
}

.btn:active {
    transform: scale(0.97) translateY(0) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15) !important;
}

/* --- 5. HEADER & NAVIGATION --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
    transition: background-color var(--transition-base), box-shadow var(--transition-base), height var(--transition-base);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    transition: height var(--transition-base);
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

.site-header.scrolled .header-inner {
    height: 65px;
}

.brand-logo h1 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    color: var(--color-text-dark);
    letter-spacing: 2px;
}

.brand-logo span {
    color: var(--color-primary);
    font-weight: 400;
}

/* --- 6. MOBILE MENU --- */
.menu-toggle {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 26px;
    height: 2px;
    background-color: var(--color-text-dark);
    transition: opacity var(--transition-fast);
}

@media (max-width: 991px) {
    .main-nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--color-white);
        padding: 120px 5% 40px 5%;
        display: flex;
        flex-direction: column;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all var(--transition-base);
        z-index: 1000;
    }

    .main-nav.is-active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

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

    .nav-links a {
        font-family: var(--font-heading);
        font-size: 1.75rem;
        color: var(--color-text-dark);
        display: block;
        padding-bottom: 15px;
        border-bottom: 1px solid var(--color-border);
    }
    
    .lang-switcher {
        margin-top: auto;
        display: flex;
        gap: 15px;
        font-size: 1.1rem;
        font-weight: 500;
    }
}

/* --- 7. DESKTOP NAVIGATION --- */
@media (min-width: 992px) {
    .menu-toggle { display: none; }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 40px;
    }

    .nav-links {
        display: flex;
        gap: 35px;
    }

    .nav-links a {
        font-size: 0.95rem;
        font-weight: 500;
        color: var(--color-text-dark);
        position: relative;
        padding-bottom: 5px;
    }

    .nav-links a::after {
        content: '';
        position: absolute;
        width: 0;
        height: 2px;
        bottom: 0;
        left: 0;
        background-color: var(--color-primary);
        transition: width var(--transition-base);
    }

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

    .lang-switcher {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 0.85rem;
        font-weight: 600;
        border-left: 1px solid var(--color-border);
        padding-left: 20px;
    }

    .lang-btn {
        background: none;
        border: none;
        cursor: pointer;
        color: var(--color-text-dark);
        transition: color var(--transition-fast);
        text-transform: uppercase;
        letter-spacing: 1px;
    }

    .lang-btn:hover { color: var(--color-primary); }
    .lang-btn.unselected { color: var(--color-text-light); }
}

/* --- 8. ORTAK FOOTER (Modern & Minimalist Lüks) --- */
.modern-footer {
    background-color: #050505;
    color: var(--color-white);
    padding: 120px 0 0 0;
    font-family: var(--font-body);
}

/* 1. Üst Kısım: CTA Sadece Sola Dayalı ve Asil */
.footer-top {
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 60px;
}

@media (min-width: 992px) {
    .footer-top {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-end;
    }
}

.modern-cta-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: 30px;
    letter-spacing: -0.02em;
}

.modern-cta-title em {
    font-style: italic;
    color: rgba(255, 255, 255, 0.5);
}

.modern-mail-link {
    font-size: 1.5rem;
    font-family: var(--font-heading);
    color: var(--color-white);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 15px;
    transition: color var(--transition-fast);
}

.modern-mail-link .arrow {
    transition: transform var(--transition-base);
}

.modern-mail-link:hover {
    color: #D1C4BC;
}

.modern-mail-link:hover .arrow {
    transform: translate(5px, -5px);
}

.footer-middle {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 60px;
    margin-bottom: 80px;
}

@media (min-width: 576px) {
    .footer-middle {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .footer-middle {
        grid-template-columns: repeat(4, 1fr);
        gap: 40px;
    }
}

.footer-middle h4 {
    font-family: var(--font-body);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 30px;
    font-weight: 500;
}

.footer-middle ul {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-middle a, 
.footer-address-group p {
    color: var(--color-white);
    text-decoration: none;
    font-size: 1.05rem;
    line-height: 1.5;
    transition: color var(--transition-fast), opacity var(--transition-fast);
    opacity: 0.8;
}

.footer-middle a:hover {
    opacity: 1;
}

.hover-slide {
    display: inline-block;
    transition: transform var(--transition-base), opacity var(--transition-fast);
}

.hover-slide:hover {
    transform: translateX(8px);
    opacity: 1;
}

.footer-address-group p {
    margin-bottom: 15px;
}

.footer-bottom-bar {
    display: flex;
    flex-direction: column;
    gap: 20px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
    padding-bottom: 40px;
}

@media (min-width: 768px) {
    .footer-bottom-bar {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.legal-links {
    display: flex;
    gap: 30px;
}

.legal-links a {
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.legal-links a:hover {
    color: var(--color-white);
}

/* --- 9. ANIMATIONS --- */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1.4s var(--ease-standard), transform 1.4s var(--ease-standard);
    will-change: opacity, transform;
}

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

.reveal-image {
    opacity: 0;
    overflow: hidden;
    transition: opacity 1.2s ease;
}

.reveal-image img {
    transform: scale(1.15);
    transition: transform 2.2s var(--ease-standard);
    will-change: transform;
}

.reveal-image.is-visible {
    opacity: 1;
}

.reveal-image.is-visible img {
    transform: scale(1);
}