:root {
            /* ========================================================
               MAFFA APPLE LIQUID FROSTED GLASS PALETİ (MODERN LIGHTER ARCHITECTURAL THEME)
               ======================================================== */
            --apple-gold: #e5b869;              /* Sıvı Altın Işıltısı */
            --apple-gold-hover: #fcd34d;
            --apple-gold-glow: rgba(229, 184, 105, 0.45);
            --apple-gold-subtle: rgba(229, 184, 105, 0.15);
            
            --bg-deep-space: #182338;           /* Ferah & Lüks Mimari Çelik Slate */
            --glass-card-bg: rgba(255, 255, 255, 0.08); /* Şeffaf Sıvı Lüks Cam */
            --glass-card-hover: rgba(255, 255, 255, 0.13);
            --glass-blur: blur(40px) saturate(190%);
            
            --glass-border: rgba(255, 255, 255, 0.22);
            --glass-border-highlight: rgba(255, 255, 255, 0.55);
            --glass-inner-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.45), 0 20px 45px rgba(8, 14, 25, 0.35);
            
            --silver-platinum: #d1d5db;         /* Platin Çelik */
            
            --text-white: #ffffff;              /* Kristal Beyaz */
            --text-body: #e0e9f4;               /* Buzlu Cam Açık Metin */
            --text-muted: #a3b8cf;              /* Açıklama Metni */
            
            --border-radius: 20px;
            --font-heading: 'Outfit', sans-serif;
            --font-body: 'Inter', sans-serif;
            --container: 1240px;
            --topbar-h: 38px;
            --header-h: 80px;
        }

        /* RESET & BASE */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 85px;
            font-size: 16px;
            background-color: #151e2e;
        }

        body {
            font-family: var(--font-body);
            background-color: #151e2e;
            background: radial-gradient(circle at 50% 0%, #202e48 0%, #172235 55%, #131c2b 100%);
            background-attachment: fixed;
            color: var(--text-body);
            line-height: 1.65;
            overflow-x: hidden;
            position: relative;
            min-height: 100vh;
        }

        /* ==================== APPLE AMBIENT LIQUID ORBS ==================== */
        .ambient-mesh-glow {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            pointer-events: none;
            z-index: 0;
            overflow: hidden;
        }

        .orb {
            position: absolute;
            border-radius: 50%;
            filter: blur(100px);
            opacity: 0.38;
            animation: orb-drift 18s ease-in-out infinite alternate;
        }

        .orb-1 {
            top: 5%;
            left: 10%;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, #e5b869 0%, rgba(229, 184, 105, 0) 70%);
        }

        .orb-2 {
            bottom: 10%;
            right: 5%;
            width: 580px;
            height: 580px;
            background: radial-gradient(circle, #38bdf8 0%, rgba(56, 189, 248, 0) 70%);
            animation-duration: 22s;
        }

        .orb-3 {
            top: 45%;
            left: 60%;
            width: 450px;
            height: 450px;
            background: radial-gradient(circle, #818cf8 0%, rgba(129, 140, 248, 0) 70%);
            animation-duration: 15s;
        }

        .orb-4 {
            top: 70%;
            left: 5%;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, #34d399 0%, rgba(52, 211, 153, 0) 70%);
            animation-duration: 25s;
        }

        @keyframes orb-drift {
            0% { transform: translate(0px, 0px) scale(1); }
            50% { transform: translate(60px, -40px) scale(1.1); }
            100% { transform: translate(-40px, 50px) scale(0.95); }
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        ul {
            list-style: none;
        }

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

        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 2;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.25;
        }

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 50px auto;
        }

        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 20px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--apple-gold);
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            margin-bottom: 18px;
            box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.4), 0 8px 20px rgba(0, 0, 0, 0.2);
        }

        .section-title {
            font-size: 42px;
            margin-bottom: 16px;
            color: var(--text-white);
            letter-spacing: -0.5px;
        }

        .section-title span {
            background: linear-gradient(135deg, #ffffff 0%, #e5b869 60%, #dfa047 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-desc {
            color: var(--text-muted);
            font-size: 16px;
        }

        .section-padding {
            padding: 90px 0;
            position: relative;
            z-index: 2;
        }

        /* APPLE FROSTED GLASS PANELS */
        .apple-glass {
            background: var(--glass-card-bg);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--glass-border);
            border-radius: var(--border-radius);
            box-shadow: var(--glass-inner-shadow);
            transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .apple-glass:hover {
            background: var(--glass-card-hover);
            border-color: var(--glass-border-highlight);
            box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.6), 0 25px 60px rgba(0, 0, 0, 0.5);
        }

        /* PICTURE FRAMES */
        .glass-picture-frame {
            border: 2px solid rgba(255, 255, 255, 0.35);
            outline: 1px solid var(--apple-gold-glow);
            outline-offset: 4px;
            border-radius: var(--border-radius);
            box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.4), 0 20px 45px rgba(0, 0, 0, 0.45);
            overflow: hidden;
            background: rgba(255, 255, 255, 0.04);
            transition: all 0.4s ease;
        }

        .glass-picture-frame:hover {
            outline-color: var(--apple-gold);
            border-color: rgba(255, 255, 255, 0.7);
            transform: translateY(-4px);
            box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.7), 0 25px 55px rgba(0, 0, 0, 0.6), 0 0 30px rgba(229, 184, 105, 0.25);
        }

        /* BUTTONS */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: 14px;
            font-family: var(--font-heading);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            border: 1px solid transparent;
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
            text-align: center;
        }

        .btn-liquid-gold {
            background: linear-gradient(135deg, #e5b869 0%, #b88628 100%);
            color: #0b0f19;
            font-weight: 700;
            box-shadow: 0 8px 25px var(--apple-gold-glow);
        }

        .btn-liquid-gold:hover {
            background: linear-gradient(135deg, #fcd34d 0%, #e5b869 100%);
            transform: translateY(-2px);
            box-shadow: 0 12px 35px rgba(229, 184, 105, 0.6);
            color: #0b0f19;
        }

        .btn-liquid-glass {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #ffffff;
            backdrop-filter: blur(20px);
            box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.3);
        }

        .btn-liquid-glass:hover {
            background: rgba(255, 255, 255, 0.16);
            border-color: rgba(255, 255, 255, 0.5);
            color: var(--apple-gold);
            transform: translateY(-2px);
        }

        .btn-whatsapp-direct {
            background: #25d366;
            color: #ffffff;
            font-weight: 700;
            box-shadow: 0 8px 25px rgba(37, 211, 102, 0.35);
        }

        .btn-whatsapp-direct:hover {
            background: #20ba5a;
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(37, 211, 102, 0.55);
        }

        /* ==================== 0. SLOGAN TOPBAR (EN ÜST BİLGİ & SLOGAN ŞERİDİ) ==================== */
        .topbar-slogan {
            background: rgba(22, 32, 50, 0.95);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            height: var(--topbar-h);
            display: flex;
            align-items: center;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1001;
            font-size: 12px;
            color: var(--text-muted);
            backdrop-filter: blur(20px);
            transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
            will-change: transform, opacity;
        }

        .topbar-slogan.scrolled,
        body.page-scrolled .topbar-slogan {
            transform: translateY(-100%);
            opacity: 0;
            pointer-events: none;
        }

        .topbar-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .topbar-motto {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #ffffff;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .topbar-motto span.slogan-highlight {
            color: var(--apple-gold);
            background: var(--apple-gold-subtle);
            padding: 2px 8px;
            border-radius: 4px;
            border: 1px solid rgba(229, 184, 105, 0.3);
            text-transform: uppercase;
            font-size: 11px;
            letter-spacing: 1px;
        }

        .topbar-contact-items {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .topbar-contact-items a {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--text-muted);
        }

        .topbar-contact-items a:hover {
            color: var(--apple-gold);
        }

        /* HEADER / STICKY NAVBAR */
        .navbar {
            position: fixed;
            top: var(--topbar-h);
            left: 0;
            width: 100%;
            height: var(--header-h);
            background: rgba(24, 35, 54, 0.75);
            backdrop-filter: blur(35px) saturate(190%);
            -webkit-backdrop-filter: blur(35px) saturate(190%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
            z-index: 1000;
            transition: top 0.35s cubic-bezier(0.16, 1, 0.3, 1), height 0.35s cubic-bezier(0.16, 1, 0.3, 1), background 0.3s ease, box-shadow 0.3s ease;
            will-change: top, height;
        }

        .navbar.scrolled,
        body.page-scrolled .navbar {
            top: 0;
            height: 70px;
            background: rgba(20, 30, 48, 0.96);
            box-shadow: 0 15px 40px rgba(8, 14, 25, 0.45);
            border-bottom-color: rgba(255, 255, 255, 0.2);
        }

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

        .logo-box {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-left: 28px; /* Logo saga dogru kaydirildi */
        }

        @media (max-width: 768px) {
            .logo-box {
                margin-left: 0;
            }
        }

        .logo-box img {
            height: 48px;
            width: auto;
            filter: drop-shadow(0 0 15px rgba(229, 184, 105, 0.4));
        }

        .logo-text {
            display: flex;
            flex-direction: column;
        }

        .logo-text span.brand {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 900;
            letter-spacing: 1px;
            color: #ffffff;
        }

        .logo-text span.sub {
            font-size: 10px;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--apple-gold);
            font-weight: 700;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 26px;
        }

        .nav-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            position: relative;
        }

        .nav-link:hover, .nav-link.active {
            color: #ffffff;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 0%;
            height: 2px;
            background: var(--apple-gold);
            transition: width 0.3s ease;
        }

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .phone-quick {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-white);
            font-weight: 700;
            font-size: 14px;
        }

        .phone-quick i {
            color: var(--apple-gold);
            font-size: 16px;
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-white);
            cursor: pointer;
        }

        /* HERO SECTION */
        .hero {
            padding-top: calc(var(--topbar-h) + var(--header-h) + 40px);
            padding-bottom: 90px;
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 50px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 54px;
            line-height: 1.1;
            margin-bottom: 22px;
            font-weight: 900;
            color: var(--text-white);
            letter-spacing: -1px;
        }

        .hero-content h1 span {
            background: linear-gradient(135deg, #ffffff 0%, #e5b869 60%, #dfa047 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-content p {
            font-size: 18px;
            color: var(--text-body);
            margin-bottom: 36px;
            max-width: 600px;
            line-height: 1.6;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 44px;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        .stat-item h3 {
            font-size: 36px;
            color: var(--apple-gold);
            font-weight: 900;
        }

        .stat-item p {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 600;
            margin-top: 2px;
        }

        .hero-image-wrapper {
            position: relative;
        }

        .hero-main-img {
            width: 100%;
            height: 480px;
            object-fit: cover;
            border-radius: calc(var(--border-radius) - 4px);
        }

        .hero-floating-badge {
            position: absolute;
            bottom: -22px;
            left: -20px;
            background: rgba(15, 23, 42, 0.85);
            border: 1px solid rgba(255, 255, 255, 0.35);
            outline: 1px solid var(--apple-gold);
            padding: 16px 24px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            gap: 14px;
            box-shadow: var(--glass-inner-shadow);
            backdrop-filter: var(--glass-blur);
            animation: float 4s ease-in-out infinite;
        }

        .floating-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--apple-gold-subtle);
            color: var(--apple-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            border: 1px solid rgba(229, 184, 105, 0.3);
        }

        .floating-info h4 {
            font-size: 14px;
            margin-bottom: 2px;
            color: var(--text-white);
        }

        .floating-info p {
            font-size: 12px;
            color: var(--text-muted);
        }

        @keyframes float {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-8px); }
        }

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

        .about-img-wrap img {
            width: 100%;
            height: 460px;
            object-fit: cover;
            border-radius: calc(var(--border-radius) - 4px);
        }

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin: 30px 0;
        }

        .about-feat {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 700;
            color: var(--text-white);
        }

        .about-feat i {
            color: var(--apple-gold);
            font-size: 16px;
        }

        /* SERVICES & PRODUCTS */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
        }

        .service-card {
            padding: 30px;
            display: flex;
            flex-direction: column;
        }

        .service-img-box {
            width: 100%;
            height: 220px;
            border-radius: 14px;
            overflow: hidden;
            margin-bottom: 24px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .service-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .service-card:hover .service-img-box img {
            transform: scale(1.08);
        }

        .service-body h3 {
            font-size: 22px;
            margin-bottom: 12px;
            color: var(--text-white);
        }

        .service-body p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 20px;
            flex-grow: 1;
        }

        .service-points {
            margin-bottom: 24px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .service-points li {
            font-size: 13px;
            color: var(--text-body);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .service-points li i {
            color: var(--apple-gold);
            font-size: 12px;
        }

        /* CATALOG BANNER */
        .catalog-banner {
            margin-top: 60px;
            padding: 44px 50px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
        }

        .catalog-text h3 {
            font-size: 26px;
            margin-bottom: 8px;
            color: var(--text-white);
        }

        .catalog-text p {
            color: var(--text-muted);
            font-size: 15px;
        }

        /* WHY US */
        .why-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }

        .why-card {
            padding: 36px 28px;
        }

        .why-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--apple-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            margin-bottom: 22px;
            box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.4);
            transition: all 0.3s ease;
        }

        .why-card:hover .why-icon {
            background: var(--apple-gold);
            color: #0b0f19;
            box-shadow: 0 0 25px var(--apple-gold-glow);
        }

        .why-card h3 {
            font-size: 18px;
            margin-bottom: 10px;
            color: var(--text-white);
        }

        .why-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.55;
        }

        /* PROJECTS */
        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: 26px;
        }

        .portfolio-item {
            border-radius: var(--border-radius);
            overflow: hidden;
            position: relative;
            height: 310px;
            cursor: pointer;
            border: 1px solid rgba(255, 255, 255, 0.22);
            box-shadow: 0 12px 35px rgba(0, 0, 0, 0.35);
            background: #141d2e;
            transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, border-color 0.4s ease;
            backdrop-filter: none !important;
            -webkit-backdrop-filter: none !important;
        }

        .portfolio-item:hover {
            transform: translateY(-6px);
            border-color: var(--apple-gold);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 30px rgba(229, 184, 105, 0.35);
        }

        .portfolio-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            filter: contrast(1.05) saturate(1.06);
            transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .portfolio-item:hover img {
            transform: scale(1.08);
        }

        .portfolio-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 35px 20px 16px 20px;
            background: linear-gradient(to top, rgba(10, 16, 28, 0.9) 0%, rgba(10, 16, 28, 0.4) 60%, transparent 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            transition: all 0.3s ease;
            color: #ffffff;
            pointer-events: none;
            backdrop-filter: none !important;
            -webkit-backdrop-filter: none !important;
        }

        .portfolio-overlay span {
            font-size: 11px;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            color: var(--apple-gold);
            font-weight: 800;
            margin-bottom: 4px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.9);
        }

        .portfolio-overlay h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.35;
            color: #ffffff;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.95);
        }

        /* REVIEWS */
        .google-rating-box {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            padding: 8px 22px;
            border-radius: 50px;
            margin-bottom: 20px;
        }

        .google-rating-box .stars {
            color: #f59e0b;
        }

        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
        }

        .review-card {
            padding: 32px;
        }

        .review-stars {
            color: #f59e0b;
            font-size: 14px;
            margin-bottom: 14px;
        }

        .review-text {
            font-size: 14px;
            color: var(--text-body);
            font-style: italic;
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .user-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--apple-gold-subtle);
            color: var(--apple-gold);
            border: 1px solid rgba(229, 184, 105, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }

        .user-info h4 {
            font-size: 14px;
            margin-bottom: 2px;
            color: var(--text-white);
        }

        .user-info p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ==================== 5. BİRLEŞİK AKILLI KEŞİF & İLETİŞİM FORMU (TEK MERKEZ) ==================== */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.35fr;
            gap: 40px;
            align-items: start;
        }

        .contact-info-panel {
            padding: 38px;
        }

        .contact-row {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 24px;
        }

        .contact-icon-box {
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: var(--apple-gold-subtle);
            border: 1px solid rgba(229, 184, 105, 0.3);
            color: var(--apple-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
            box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.3);
        }

        .contact-details h4 {
            font-size: 15px;
            margin-bottom: 4px;
            color: var(--text-white);
        }

        .contact-details p, .contact-details a {
            font-size: 14px;
            color: var(--text-muted);
        }

        .contact-details a:hover {
            color: var(--apple-gold);
        }

        .map-frame {
            margin-top: 24px;
            border-radius: 16px;
            overflow: hidden;
            height: 220px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .map-frame iframe {
            width: 100%;
            height: 100%;
            border: 0;
        }

        .contact-form-panel {
            padding: 40px;
        }

        .form-section-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--apple-gold);
            text-transform: uppercase;
            letter-spacing: 0.8px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* 1-Click System Chip Selector (6 Sistem) */
        .system-chips {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-bottom: 22px;
        }

        .system-chip {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: 12px;
            padding: 12px 6px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
            user-select: none;
        }

        .system-chip:hover {
            border-color: rgba(229, 184, 105, 0.5);
            background: rgba(255, 255, 255, 0.08);
        }

        .system-chip.active {
            border-color: var(--apple-gold);
            background: rgba(229, 184, 105, 0.22);
            box-shadow: 0 0 18px rgba(229, 184, 105, 0.4);
            transform: translateY(-2px);
        }

        .system-chip i {
            display: block;
            font-size: 18px;
            color: var(--apple-gold);
            margin-bottom: 6px;
        }

        .system-chip span {
            font-size: 11px;
            font-weight: 700;
            color: #ffffff;
            line-height: 1.2;
            display: block;
        }

        /* Dimension Calculator Sub-Card inside the form */
        .calc-dim-box {
            background: rgba(22, 33, 52, 0.65);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: 14px;
            padding: 16px;
            margin-bottom: 22px;
        }

        .dim-inputs-row {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 12px;
            align-items: center;
        }

        .dim-input-field label {
            font-size: 11px;
            font-weight: 700;
            color: var(--text-muted);
            margin-bottom: 4px;
            display: block;
        }

        .dim-input-wrap {
            position: relative;
            display: flex;
            align-items: center;
        }

        .dim-input-wrap input {
            width: 100%;
            padding: 10px 30px 10px 12px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #ffffff;
            font-size: 14px;
            font-weight: 700;
            outline: none;
        }

        .dim-input-wrap span.unit {
            position: absolute;
            right: 10px;
            color: var(--apple-gold);
            font-size: 12px;
            font-weight: 700;
        }

        .calculated-badge {
            background: rgba(229, 184, 105, 0.18);
            border: 1px solid var(--apple-gold);
            border-radius: 10px;
            padding: 8px 10px;
            text-align: center;
        }

        .calculated-badge span {
            font-size: 10px;
            text-transform: uppercase;
            color: var(--apple-gold);
            font-weight: 700;
            display: block;
        }

        .calculated-badge strong {
            font-size: 18px;
            color: #ffffff;
            font-family: var(--font-heading);
        }

        /* Step Badges and Helpers for Form */
        .form-step-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 3px 10px;
            border-radius: 20px;
            background: rgba(229, 184, 105, 0.15);
            border: 1px solid rgba(229, 184, 105, 0.35);
            color: var(--apple-gold);
            font-size: 11px;
            font-weight: 800;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            margin-bottom: 6px;
        }

        .form-section-helper {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: -6px;
            margin-bottom: 14px;
            line-height: 1.45;
        }

        .system-choice-pill {
            background: var(--apple-gold-subtle);
            border: 1px solid rgba(229, 184, 105, 0.45);
            color: var(--apple-gold);
            font-size: 11px;
            font-weight: 700;
            padding: 2px 9px;
            border-radius: 6px;
            letter-spacing: 0.3px;
            transition: all 0.3s ease;
        }

        .input-info-hint {
            font-size: 11px;
            color: var(--text-muted);
            margin-top: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
            line-height: 1.35;
        }

        .input-info-hint strong {
            color: var(--apple-gold);
            font-weight: 600;
        }

        @keyframes select-pulse {
            0% { border-color: var(--apple-gold); box-shadow: 0 0 16px rgba(229, 184, 105, 0.6); }
            100% { border-color: rgba(255, 255, 255, 0.2); box-shadow: none; }
        }

        .highlight-pulse {
            animation: select-pulse 0.8s ease-out;
        }

        .form-grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }

        .form-input {
            width: 100%;
            padding: 13px 16px;
            border-radius: 12px;
            background: rgba(26, 38, 59, 0.85);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #ffffff;
            font-family: inherit;
            font-size: 14px;
            outline: none;
            transition: all 0.3s ease;
        }

        .form-input:focus {
            border-color: var(--apple-gold);
            background: rgba(30, 44, 68, 0.95);
            box-shadow: 0 0 0 3px rgba(229, 184, 105, 0.25);
        }

        select.form-input {
            cursor: pointer;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml;utf8,<svg fill='%23e5b869' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/></svg>");
            background-repeat: no-repeat;
            background-position: right 14px center;
            background-size: 18px;
            background-color: #1a273e;
            color: #ffffff;
        }

        select.form-input option {
            background-color: #1a273e;
            color: #ffffff;
            padding: 12px;
            font-size: 14px;
        }

        textarea.form-input {
            resize: vertical;
            min-height: 90px;
        }

        /* FILE UPLOAD DROPZONE */
        .file-upload-box {
            border: 2px dashed rgba(255, 255, 255, 0.22);
            border-radius: 14px;
            padding: 16px;
            text-align: center;
            background: rgba(255, 255, 255, 0.03);
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            margin-bottom: 20px;
        }

        .file-upload-box:hover {
            border-color: var(--apple-gold);
            background: rgba(229, 184, 105, 0.08);
        }

        .file-upload-box input[type="file"] {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            cursor: pointer;
        }

        .file-upload-content {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
        }

        .file-upload-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--apple-gold-subtle);
            color: var(--apple-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .file-upload-text {
            font-size: 13px;
            color: var(--text-white);
            font-weight: 600;
            text-align: left;
        }

        .file-upload-subtext {
            font-size: 11px;
            color: var(--text-muted);
        }

        .file-preview-pill {
            display: none;
            align-items: center;
            justify-content: space-between;
            background: rgba(229, 184, 105, 0.15);
            border: 1px solid var(--apple-gold);
            border-radius: 10px;
            padding: 8px 14px;
            font-size: 13px;
            color: #ffffff;
        }

        .file-preview-pill span {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .file-preview-pill button {
            background: none;
            border: none;
            color: #f87171;
            cursor: pointer;
            font-size: 14px;
        }

        /* Dual Action Submit Buttons */
        .form-action-buttons {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }

        .form-success-box {
            display: none;
            background: rgba(16, 185, 129, 0.15);
            border: 1px solid rgba(16, 185, 129, 0.4);
            color: #34d399;
            padding: 16px;
            border-radius: 12px;
            margin-bottom: 20px;
            font-size: 14px;
        }

        /* FOOTER */
        .footer {
            background: rgba(18, 27, 43, 0.97);
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 70px 0 30px 0;
            color: var(--text-muted);
            position: relative;
            z-index: 2;
        }

        .footer h3, .footer h4 {
            color: #ffffff;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-brand h3 {
            font-size: 22px;
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: 20px;
            color: var(--text-muted);
        }

        .footer-socials {
            display: flex;
            gap: 12px;
        }

        .footer-socials a {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.06);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
        }

        .footer-socials a:hover {
            background: var(--apple-gold);
            color: #0b0f19;
            border-color: var(--apple-gold);
            transform: translateY(-2px);
        }

        .footer-col h4 {
            font-size: 16px;
            margin-bottom: 18px;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--text-muted);
        }

        .footer-links a:hover {
            color: var(--apple-gold);
            padding-left: 4px;
        }

        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: #64748b;
            flex-wrap: wrap;
            gap: 12px;
        }

        /* ==================== 11. SABİT SAĞ TARAF BUTONLARI (WHATSAPP + YUKARI ÇIK OKU) ==================== */
        /* WhatsApp Butonu - En Sağ Altta Sabit */
        .whatsapp-float {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 62px;
            height: 62px;
            background: #25d366;
            color: #ffffff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            box-shadow: 0 10px 25px rgba(37, 211, 102, 0.45);
            z-index: 999;
            cursor: pointer;
            animation: pulse-wa 2s infinite;
        }

        @keyframes pulse-wa {
            0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
            70% { box-shadow: 0 0 0 16px rgba(37, 211, 102, 0); }
            100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
        }

        /* Başa Dön Oku (Üçgen Ok) - WhatsApp'ın Hemen Üstünde Sağ Tarafta */
        .scroll-top {
            position: fixed;
            bottom: 104px;
            right: 36px;
            width: 48px;
            height: 48px;
            background: rgba(18, 24, 38, 0.9);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: var(--apple-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 998;
            backdrop-filter: blur(20px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.4);
        }

        .scroll-top.show {
            opacity: 1;
            visibility: visible;
        }

        .scroll-top:hover {
            background: var(--apple-gold);
            color: #0b0f19;
            border-color: var(--apple-gold);
            transform: translateY(-4px);
        }

        /* RESPONSIVE */
        @media (max-width: 992px) {
            .hero-grid, .about-grid, .contact-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .topbar-contact-items {
                display: none;
            }

            .topbar-wrap {
                justify-content: center;
            }

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

            .hero-buttons {
                justify-content: center;
            }

            .hero-stats {
                justify-content: center;
            }

            .system-chips {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .nav-menu {
                position: fixed;
                top: calc(var(--topbar-h) + var(--header-h));
                left: -100%;
                width: 100%;
                height: calc(100vh - var(--topbar-h) - var(--header-h));
                background: rgba(20, 30, 48, 0.98);
                backdrop-filter: blur(30px);
                flex-direction: column;
                padding: 40px 24px;
                gap: 20px;
                transition: left 0.3s ease, top 0.35s ease, height 0.35s ease;
                border-top: 1px solid rgba(255, 255, 255, 0.12);
                box-shadow: 0 10px 30px rgba(0,0,0,0.6);
            }

            .navbar.scrolled .nav-menu,
            body.page-scrolled .nav-menu {
                top: 70px;
                height: calc(100vh - 70px);
            }

            .nav-menu.active {
                left: 0;
            }

            .hamburger {
                display: block;
            }

            .phone-quick {
                display: none;
            }
        }

        @media (max-width: 600px) {
            .hero-content h1 {
                font-size: 34px;
            }

            .section-title {
                font-size: 28px;
            }

            .form-grid-2, .dim-inputs-row, .form-action-buttons {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }

            .hero-stats {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .catalog-banner, .contact-form-panel {
                padding: 24px;
            }

            .whatsapp-float {
                bottom: 20px;
                right: 20px;
                width: 54px;
                height: 54px;
                font-size: 28px;
            }

            .scroll-top {
                bottom: 84px;
                right: 25px;
                width: 44px;
                height: 44px;
            }
        }

        /* ==================== ARCHITECTURAL CATALOG SECTION ==================== */
        .catalog-tabs {
            display: flex;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .catalog-tab-btn {
            padding: 10px 22px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--glass-border);
            color: var(--text-muted);
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
        }

        .catalog-tab-btn:hover, .catalog-tab-btn.active {
            background: linear-gradient(135deg, rgba(229, 184, 105, 0.3), rgba(229, 184, 105, 0.12));
            border-color: var(--apple-gold);
            color: #ffffff;
            box-shadow: 0 0 20px rgba(229, 184, 105, 0.35);
        }

        .catalog-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-bottom: 40px;
        }

        @media (max-width: 1080px) {
            .catalog-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 680px) {
            .catalog-grid {
                grid-template-columns: 1fr;
            }
        }

        .catalog-card {
            border-radius: 20px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
            position: relative;
        }

        .catalog-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
            border-color: var(--apple-gold);
        }

        .catalog-card-media {
            position: relative;
            height: 230px;
            overflow: hidden;
            background: #0f172a;
        }

        .catalog-card-media img.main-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .catalog-card:hover .catalog-card-media img.main-img {
            transform: scale(1.08);
        }

        .catalog-badge-pill {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 14px;
            background: rgba(15, 23, 42, 0.88);
            border: 1px solid var(--apple-gold);
            color: var(--apple-gold);
            font-size: 11px;
            font-weight: 700;
            border-radius: 50px;
            backdrop-filter: blur(8px);
            letter-spacing: 0.5px;
            z-index: 2;
        }

        .catalog-cross-thumb {
            position: absolute;
            bottom: 12px;
            right: 12px;
            width: 54px;
            height: 54px;
            background: rgba(255, 255, 255, 0.95);
            border: 2px solid var(--apple-gold);
            border-radius: 12px;
            padding: 4px;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.4);
            z-index: 2;
            cursor: pointer;
            transition: transform 0.3s ease;
        }

        .catalog-cross-thumb:hover {
            transform: scale(1.15);
        }

        .catalog-cross-thumb img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .catalog-card-body {
            padding: 22px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .catalog-card-body h3 {
            font-size: 20px;
            margin-bottom: 8px;
            color: #ffffff;
        }

        .catalog-card-body p.card-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.55;
            margin-bottom: 16px;
            flex-grow: 1;
        }

        .catalog-spec-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            padding: 12px;
            margin-bottom: 18px;
        }

        .spec-item {
            display: flex;
            flex-direction: column;
        }

        .spec-item span.lbl {
            font-size: 10px;
            text-transform: uppercase;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }

        .spec-item span.val {
            font-size: 12px;
            font-weight: 700;
            color: var(--apple-gold);
        }

        .catalog-card-actions {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }

        /* CATALOG MODAL */
        .catalog-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background: rgba(8, 14, 25, 0.88);
            backdrop-filter: blur(18px);
            z-index: 99999;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .catalog-modal.active {
            display: flex;
        }

        .catalog-modal-content {
            background: #182338;
            background: radial-gradient(circle at 50% 0%, #22324f 0%, #172336 60%, #121c2c 100%);
            border: 1px solid var(--glass-border);
            border-radius: 24px;
            width: 100%;
            max-width: 920px;
            max-height: 90vh;
            overflow-y: auto;
            box-shadow: 0 35px 80px rgba(0, 0, 0, 0.7);
            padding: 36px;
            position: relative;
            color: var(--text-body);
        }

        .catalog-modal-close {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #ffffff;
            font-size: 16px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }

        .catalog-modal-close:hover {
            background: #ef4444;
            color: #ffffff;
            transform: rotate(90deg);
        }

        .modal-body-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin-top: 20px;
        }

        @media (max-width: 768px) {
            .modal-body-grid {
                grid-template-columns: 1fr;
            }
            .catalog-modal-content {
                padding: 24px;
            }
        }