:root {
    --primary: #ffffff; /* Absolute White as requested */
    --secondary: #fdfdfd;
    --accent: #000000;
    --text-main: #000000;
    --text-muted: #666666;
    --border-light: #eeeeee;
    --white: #ffffff;
    --black: #000000;
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;
    --transition-sophisticated: all 0.8s cubic-bezier(0.19, 1, 0.22, 1);
    --spacing-lg: 160px;
}

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

body {
    background-color: var(--primary);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.8;
    overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4 {
    font-family: var(--font-serif);
    font-weight: 700;
    color: var(--black);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

h1 {
    font-size: calc(2.5rem + 4vw);
}

h2 {
    font-size: calc(2rem + 2vw);
}

.text-muted {
    font-family: var(--font-sans);
    font-weight: 300;
    color: var(--text-muted) !important;
    letter-spacing: 0.02em;
}

.section-label {
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4em;
    color: var(--text-muted);
    display: block;
    margin-bottom: 20px;
}

/* New Header Styles */
nav {
    position: absolute;
    top: 30px;
    left: 5%;
    right: 5%;
    width: 90%;
    padding: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10010; /* Increased to fix click issues on sub-pages over debug toolbar or overlays */
}

.nav-pill-container {
    background: #ffffff !important;
    border: 1px solid var(--border-light);
    border-radius: 100px;
    padding: 10px 30px;
    display: flex;
    gap: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    margin-left: auto;
    margin-right: 20px;
}

.nav-pill-container a {
    text-decoration: none;
    color: var(--text-main);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: color 0.3s;
}

.nav-pill-container a:hover {
    color: var(--accent);
}

.header-phone-btn {
    width: 45px;
    height: 45px;
    background: #000 !important;
    color: #ffffff !important;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition-sophisticated);
    font-size: 20px;
    z-index: 1001;
}

.header-phone-btn i {
    color: #ffffff !important;
    display: block !important;
}

.mosaic-container {
    padding: 105px 0 50px;
    background: #fff;
    overflow: hidden;
    margin-top: 0 !important;
}

.mosaic-grid {
    display: grid;
    grid-template-rows: repeat(2, 320px);
    grid-auto-columns: 200px;
    grid-auto-flow: column dense;
    grid-gap: 20px;
    width: max-content;
    padding: 0 20px;
}

.mosaic-item {
    position: relative;
    overflow: hidden;
    border-radius: 25px;
    cursor: pointer;
    grid-row: span 1;
    grid-column: span 1;
    background: #cccccc;
    opacity: 1 !important;
    transform: none !important;
}

.mosaic-item img {
    width: 100%;
    height: 100%;
    min-width: 100%;
    min-height: 100%;
    object-fit: cover;
    transition: transform 1.2s cubic-bezier(0.19, 1, 0.22, 1), filter 1.2s cubic-bezier(0.19, 1, 0.22, 1);
    filter: grayscale(100%);
    display: block;
}

.mosaic-item:hover img {
    transform: scale(1.1);
    filter: grayscale(0%);
}

.mosaic-item.large {
    grid-row: span 2;
    grid-column: span 3;
}

.mosaic-item.vertical {
    grid-row: span 2;
    grid-column: span 1;
}

.mosaic-item.horizontal {
    grid-row: span 1;
    grid-column: span 2;
}

@media (max-width: 991px) {
    .mosaic-grid {
        grid-template-rows: repeat(2, 250px);
        grid-auto-columns: 150px;
    }
}

@media (max-width: 576px) {
    .mosaic-grid {
        grid-template-rows: repeat(2, 180px);
        grid-auto-columns: 120px;
        grid-gap: 10px;
    }
    .mosaic-item {
        border-radius: 15px;
    }
}

/* Hero & Sections */
.hero-slider {
    height: 100vh !important;
    min-height: 600px;
    width: 100%;
    background: #000;
}

.slider-img {
    width: 100%;
    height: 100%;
    object-fit: cover !important;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 2;
}

.hero-slider h1 {
    font-size: 5.5rem;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

@media (max-width: 991px) {
    .hero-slider h1 {
        font-size: 3.5rem;
    }
}

@media (max-width: 768px) {
    .hero-slider h1 {
        font-size: 2.8rem;
    }
}

.section-padding {
    padding: 50px 5%;
}

@media (max-width: 991px) {
    :root {
        --spacing-lg: 80px;
    }

    .section-padding {
        padding: 50px 20px;
    }

    h1 {
        font-size: 2.8rem !important;
    }

    h2 {
        font-size: 2rem !important;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 2.2rem !important;
    }

    h2 {
        font-size: 1.8rem !important;
    }
    
    .section-padding {
        padding: 40px 20px;
    }
}

.structural-line {
    width: 1px;
    height: 100px;
    background: var(--border-light);
    margin: 40px 0;
}

/* Project Cards - New 3-Column Design */
.project-grid-item {
    margin-bottom: 40px;
}

.new-project-card {
    display: block;
    text-decoration: none;
    background: #fff;
    transition: var(--transition-sophisticated);
}

.project-image-wrapper {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
    border-radius: 20px;
    background: #f5f5f5;
}

.project-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: transform 0.8s ease, filter 0.8s ease;
}

.new-project-card:hover .project-image-wrapper img {
    transform: scale(1.1);
    filter: grayscale(0%);
}

.project-logo-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    text-align: center;
    width: 80%;
}

.project-logo-overlay h3 {
    color: #fff;
    font-family: var(--font-sans);
    font-size: 2.8rem;
    font-weight: 300;
    text-transform: none;
    letter-spacing: -0.01em;
    margin: 0;
    text-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.project-meta-badges {
    display: flex;
    gap: 5px;
    margin-top: 15px;
}

.meta-badge {
    flex: 1;
    background: #fff;
    border: 1px solid #eeeeee;
    padding: 8px 5px;
    font-size: 10px;
    font-weight: 600;
    color: #666;
    text-align: center;
    border-radius: 6px;
    text-transform: capitalize;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Buttons */
.btn-premium {
    padding: 20px 45px;
    background: var(--black);
    color: var(--white);
    text-decoration: none;
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    display: inline-block;
    transition: var(--transition-sophisticated);
    border: none;
}

.btn-premium:hover {
    background: transparent;
    color: var(--black);
    box-shadow: inset 0 0 0 1px var(--black);
}

/* Timeline - Redesigned for Archit */
.timeline-wrapper {
    position: relative;
    width: 100%;
}

.timeline-year {
    font-family: var(--font-serif);
    color: var(--black);
}

.timeline-card {
    border-left: 1px solid var(--border-light) !important;
    transition: var(--transition-sophisticated) !important;
}

.timeline-card:hover {
    background: #fdfdfd;
}

/* Footer */
footer {
    background: #fcfcfc;
    border-top: 1px solid #eeeeee;
    color: var(--black);
    padding: 100px 5% 50px;
}

.footer-links li a {
    color: #666;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-links li a:hover {
    color: var(--black);
    transform: translateX(5px);
}

.social-links a {
    font-size: 20px;
    transition: var(--transition-sophisticated);
    display: inline-block;
}

.social-links a:hover {
    transform: translateY(-5px);
}

/* Horizontal Project Cards (Projects Page) */
.project-filter-container {
    display: flex;
    gap: 15px;
    margin-bottom: 50px;
}

.project-filter-pill {
    padding: 12px 30px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid #eeeeee;
    background: #fff;
    color: #444;
}

.project-filter-pill.active {
    background: #444;
    color: #fff;
    border-color: #444;
}

.horizontal-project-card {
    position: relative;
    width: 100%;
    height: 180px;
    border-radius: 30px;
    overflow: hidden;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: transform 0.5s ease;
    background: #fdfdfd;
}

.horizontal-project-card:hover {
    transform: translateY(-5px);
}

.horizontal-project-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.horizontal-project-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    opacity: 0.15;
    transition: opacity 0.5s ease, filter 0.5s ease;
}

.horizontal-project-card:hover .horizontal-project-bg img {
    filter: grayscale(0%);
    opacity: 0.4;
}

.horizontal-project-content {
    position: relative;
    z-index: 2;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 60px;
}

.project-logo-text {
    font-family: var(--font-sans);
    font-size: 3.5rem;
    font-weight: 300;
    color: #111;
    text-transform: none;
    letter-spacing: -0.01em;
    opacity: 1;
}

.project-right-meta {
    text-align: right;
}

.project-location-small {
    font-size: 14px;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
}

.project-horizontal-badges {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.badge-item {
    background: #fff;
    border: 1px solid #e0e0e0;
    padding: 6px 15px;
    border-radius: 8px;
    font-size: 11px;
    font-weight: 600;
    color: #555;
    box-shadow: 0 2px 10px rgba(0,0,0,0.03);
}

@media (max-width: 991px) {
    .horizontal-project-card {
        height: auto;
        padding: 40px 20px;
    }
    .horizontal-project-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
        padding: 0 20px;
    }
    .project-right-meta {
        text-align: center;
    }
    .project-location-small {
        justify-content: center;
    }
    .project-horizontal-badges {
        justify-content: center;
        flex-wrap: wrap;
    }
}

/* Responsive Fixes */
@media (max-width: 991px) {
    :root {
        --spacing-lg: 100px;
    }

    .hero-slider {
        height: 70vh !important;
        min-height: 500px !important;
    }

    h1 {
        font-size: 3.5rem !important;
    }
}

@media (max-width: 768px) {
    nav {
        padding: 15px 5%;
        background: rgba(255, 255, 255, 0.95) !important;
        backdrop-filter: blur(15px);
        top: 0;
        left: 0;
        right: 0;
        width: 100%;
        box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    }

    .nav-links {
        display: none !important;
    }

    .hero-slider h1 {
        font-size: 2.5rem !important;
    }

    .display-3 {
        font-size: 2.5rem !important;
    }

    .section-padding {
        padding: 80px 5%;
    }

    .structural-line {
        height: 60px;
    }

    .project-card {
        margin-bottom: 30px;
    }

    .project-card div[style*="height: 500px"] {
        height: 350px !important;
    }
}

/* Utility */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: none !important; 
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: none !important; 
}

/* Smooth Scroll Stutter Fix */
html.lenis {
    height: auto;
}

.lenis.lenis-smooth {
    scroll-behavior: auto !important;
}

.lenis.lenis-smooth [data-lenis-prevent] {
    overscroll-behavior: contain;
}

.lenis.lenis-stopped {
    overflow: hidden;
}
/* Breadcrumb Banner Styles - Boxed & Rounded (Inspired by Ozpinarlar) */
.container-breadcrumb {
    margin-top: 150px;
    margin-bottom: 60px;
    position: relative;
    z-index: 100;
}

.breadcrumb-banner {
    position: relative;
    min-height: 4px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
    border-radius: 24px;
    background-attachment: scroll;
}

.breadcrumb-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(162, 114, 25, 0.9) 0%, rgba(0,0,0,0.4) 60%, transparent 100%);
    z-index: 2;
    opacity: 0.9;
}

.breadcrumb-pill-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
    position: relative;
    z-index: 3;
}

.breadcrumb-pill {
    background: #0d0d0d;
    color: #fff;
    padding: 7px 20px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    text-transform: capitalize;
    letter-spacing: 0.5px;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
    border: 1px solid rgba(255,255,255,0.1);
}

.breadcrumb-pill:hover {
    background: #ec6608;
    color: #fff;
    border-color: #ec6608;
    transform: translateY(-2px);
}

.breadcrumb-pill.active {
    background: #1a1a1a;
    border-color: rgba(255,255,255,0.2);
    pointer-events: none;
}

.breadcrumb-banner h1 {
    color: #fff;
    font-size: calc(2.4rem + 2.5vw);
    font-family: var(--font-sans);
    font-weight: 200; /* Even lighter */
    margin-bottom: 30px;
    position: relative;
    z-index: 3;
    line-height: 1;
    letter-spacing: -0.01em;
}

.btn-call-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #f7ad45;
    color: #000;
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    z-index: 3;
}

.btn-call-back:hover {
    background: #ffffff;
    color: #000;
    transform: translateY(-3px);
}

@media (max-width: 991px) {
    .container-breadcrumb {
        margin-top: 100px;
    }
    .breadcrumb-banner {
        min-height: 300px;
    }
}

/* Mobile Menu Overlay Styles */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    z-index: 10020;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mobile-menu-close {
    position: absolute;
    top: 20px;
    right: 20px;
    cursor: pointer;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f5f5;
    border-radius: 50%;
}

.mobile-menu-content {
    display: flex;
    flex-direction: column;
    gap: 25px;
    text-align: center;
    width: 100%;
}

.mobile-link {
    font-family: var(--font-sans);
    font-size: 1.8rem;
    font-weight: 300;
    color: var(--black);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    transition: var(--transition-sophisticated);
    opacity: 0;
    transform: translateY(20px);
}

.mobile-menu-overlay.active .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

.mobile-menu-overlay.active .mobile-link:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu-overlay.active .mobile-link:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu-overlay.active .mobile-link:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu-overlay.active .mobile-link:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu-overlay.active .mobile-link:nth-child(5) { transition-delay: 0.3s; }
.mobile-menu-overlay.active .mobile-link:nth-child(6) { transition-delay: 0.35s; }

.mobile-link:hover {
    color: #666;
    padding-left: 10px;
}

.mobile-menu-footer {
    opacity: 0;
    transition: all 0.5s ease 0.5s;
}

.mobile-menu-overlay.active .mobile-menu-footer {
    opacity: 1;
}

/* Home Slider Mobile Adjustments */
@media (max-width: 576px) {
    .mosaic-container {
        padding: 80px 0 30px;
    }
    .mosaic-grid {
        grid-template-rows: repeat(2, 160px);
        grid-auto-columns: 100px;
    }
}

.home-about-img-wrapper {
    height: 600px;
    padding-left: 50px;
}

@media (max-width: 991px) {
    .home-about-img-wrapper {
        height: 350px !important;
        padding-left: 0 !important;
        margin-top: 40px;
    }
    
    .btn-premium {
        width: 100%;
        text-align: center;
        padding: 15px 30px;
    }
}