:root {
            --wall-color: #f4f4f4;
            /* Standard light gray base */
            --accent-gold: #c28000;
            /* Matte gold from image */
            --accent-gold-glow: rgba(197, 160, 89, 0.2);
            --elevator-metal: linear-gradient(90deg, #cfcfcf 0%, #a6a6a6 8%, #7d7d7d 22%, #505054 50%, #7d7d7d 78%, #a6a6a6 92%, #cfcfcf 100%);
            --floor-base: #e69d4c;
            --floor-line: #cd7b2c;
            --floor-light: #fcd581;
            --accent-emerald: #de7852;
            /* Rich emerald green from image */
            --accent-emerald-glow: rgba(4, 108, 78, 0.3);
            --form-bg: rgba(38, 45, 59, 0.92);
            --input-field-bg: #202838;
            /* Replicating input background */
            --input-field-border: rgba(255, 255, 255, 0.15);
            --input-text: #a8cfc3;
            /* Replicating sage green input text */
        }

        body,
        html {
            margin: 0;
            padding: 0;
            height: 100%;
            width: 100%;
            overflow: hidden;
            background-color: var(--wall-color);
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        .scene-container {
            position: relative;
            width: 100%;
            height: 100vh;
            display: flex;
            flex-direction: column;
            background: url("../../media/wall-2.jpg") center / cover no-repeat;
        }

        .wall {
            height: 100vh;
            background: transparent;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 5% 0 6%;
        }

        /* --- LEFT SIDE: BRANDING & FEATURE CARDS --- */
        .brand-section {
            width: 48%;
            color: #ffffff;
            z-index: 10;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .brand-header-block {
            animation: fadeInDown 0.8s ease out;
        }

        .brand-logo-container {
            display: flex;
            align-items: center;
            gap: 22px;
            margin-bottom: 1.15rem;
        }

        .brand-logo {
            width: 64px;
            height: 64px;
            background: transparent;
            border-radius: 0;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .brand-logo img {
            width: 64px;
            height: 64px;
            border: 1px solid rgba(51, 51, 51, 0.28);
            border-radius: 8px;
            object-fit: contain;
        }

        .brand-logo i {
            font-size: 1.9rem;
            color: var(--accent-gold);
            /* Gold icon */
        }

        .brand-title {
            font-size: 1.65rem;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: #333333;
            /* Dark gray text */
            margin: 0;
        }

        .brand-headline {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            color: #333333;
            /* Dark gray text */
            margin: 0;
        }

        .brand-headline span {
            color: var(--accent-emerald);
            /* Emerald text */
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            width: 100%;
            max-width: 560px;
        }

        .feature-node {
            display: flex;
            align-items: center;
            gap: 0.85rem;
            padding: 0.75rem 1.2rem;
            background: rgba(22, 19, 28, 0.10);
            /* Very light gray tint */
            border-left: 3px solid var(--accent-gold);
            border-right: 3px solid var(--accent-gold);
            /* Gold border left */
            /* border-radius: 4px 12px 12px 4px; */
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(8px);
            opacity: 0;
            transform: translateY(15px);
            transition: all 0.4s ease;
        }

        .feature-node.is-visible {
            opacity: 1;
            transform: translateY(0);
        }

        .feature-node:hover {
            background: rgba(22, 19, 28, 0.1);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px var(--accent-gold-glow);
        }

        .node-icon-box {
            font-size: 1.2rem;
            color: var(--accent-gold);
            /* Gold icon */
            background: rgba(197, 160, 89, 0.1);
            padding: 6px 10px;
            border-radius: 8px;
            display: flex;
            align-items: center;
        }

        .node-text-content {
            font-size: 0.92rem;
            font-weight: 500;
            color: #545454;
            /* Dark gray feature text */
        }

        /* --- RIGHT SIDE: BOTTOM-ALIGNED ELEVATOR --- */
        .elevator-frame {
            position: absolute;
            bottom: 56px;
            right: 8%;
            width: 550px;
            height: 88%;
            background: var(--elevator-metal);
            border: 2.5px solid #48474c;
            box-shadow: -5px 5px 15px rgba(0, 0, 0, 0.25);
            padding: 35px 32px 0 32px;
            display: flex;
            border-radius: 8px;
        }

        .indicator-panel {
            position: absolute;
            top: 12px;
            left: 50%;
            transform: translateX(-50%);
            width: 110px;
            height: 24px;
            background-color: #333333;
            border: 2px solid #a6a6a6;
            border-radius: 3px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 15px;
            z-index: 20;
            box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.5);
        }

        .arrow-indicator {
            width: 0;
            height: 0;
            border-left: 7px solid transparent;
            border-right: 7px solid transparent;
            border-bottom: 9px solid #555;
            transition: all 0.3s;
        }

        /* Re-coloring indicator triangles to match image: top one is gold, bottom is red */
        .indicator-panel div:first-child.arrow-indicator {
            border-bottom-color: var(--accent-gold);
            filter: drop-shadow(0 0 5px var(--accent-gold));
        }

        .indicator-panel div:last-child.arrow-indicator {
            border-top-color: #ff3b30;
            filter: drop-shadow(0 0 5px #ff3b30);
        }

        .elevator-shaft {
            position: relative;
            width: 100%;
            height: 100%;
            background-color: #16131c;
            background-size: cover;
            background-position: center;
            perspective: 1200px;
            overflow: hidden;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .elevator-shaft::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(12, 9, 15, 0.5);
            pointer-events: none;
            z-index: 1;
        }

        /* --- SLIDING LIFTS MECHANICAL DOORS --- */
        .door {
            width: 50%;
            height: 100%;
            background: linear-gradient(90deg, #515151 0%, #929292 85%, #878787 100%);
            border-right: 1.5px solid #525157;
            position: absolute;
            top: 0;
            transition: transform 3.0s cubic-bezier(0.25, 1, 0.5, 1);
            z-index: 5;
        }

        .door-right {
            right: 0;
            background: linear-gradient(90deg, #7f7f7f 0%, #929292 15%, #878787 100%);
            border-right: none;
            border-left: 1.5px solid #525157;
        }

        .door-left {
            left: 0;
        }

        .doors-open .door-left {
            transform: translateX(-100%);
        }

        .doors-open .door-right {
            transform: translateX(100%);
        }

        /* --- FORM CARD CONFIGURATION --- */
        .elevator-form-card {
            width: 100%;
            max-width: 425px;
            padding: 24px 22px;
            color: #ffffff;
            z-index: 6;
            background: var(--form-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 16px;
            box-shadow: 0 20px 45px rgba(14, 20, 32, 0.45);
            opacity: 0;
            transform: scale(0.96);
            transition: opacity 0.5s ease, transform 0.5s ease;
        }

        .swal2-popup.login-alert-compact {
            width: min(420px, calc(100vw - 2rem));
            padding: 2rem 2rem 1.75rem;
            border-radius: 14px;
        }

        .swal2-popup.login-alert-compact .swal2-icon {
            width: 5em;
            height: 5em;
            font-size: 0.85rem;
            margin: 0.45rem auto 1rem;
        }

        .swal2-popup.login-alert-compact .swal2-html-container {
            margin: 0.35rem 0 1rem;
            font-size: 1.05rem;
            font-weight: 600;
        }

        .swal2-popup.login-alert-compact .swal2-actions {
            margin-top: 0.25rem;
        }

        .swal2-popup.login-alert-compact .swal2-confirm {
            min-width: 104px;
            height: 40px;
            padding: 0.55rem 1.25rem;
            font-size: 0.95rem;
        }

        .doors-open .elevator-form-card {
            opacity: 1;
            transform: scale(1);
            transition-delay: 2.0s;
        }

        .form-heading h1 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--accent-gold);
            /* Gold Sign In text */
            margin-bottom: 2px;
        }

        .form-heading p {
            font-size: 0.88rem;
            color: #a8cfc3;
            /* Sage green helper text */
        }

        .form-label-custom {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.8px;
            font-weight: 600;
            color: var(--accent-gold);
            /* Gold label text */
            margin-bottom: 0.35rem;
            display: block;
        }

        .input-group-container {
            position: relative;
            display: flex;
            align-items: center;
        }

        .input-group-container i:not(.bi-eye):not(.bi-eye-slash):not(.bi-arrow-clockwise) {
            position: absolute;
            left: 12px;
            color: #ffffff;
            /* White input icon */
            z-index: 10;
            font-size: 1rem;
        }

        .custom-auth-input {
            background-color: var(--input-field-bg) !important;
            /* Black background input */
            border: 1.5px solid var(--input-field-border) !important;
            /* Subtle light gray border */
            color: var(--input-text) !important;
            /* Sage green input text */
            padding-left: 38px !important;
            padding-right: 36px;
            height: 44px;
            font-size: 0.92rem;
            border-radius: 8px !important;
        }

        .custom-auth-input::placeholder {
            color: rgba(168, 207, 195, 0.5) !important;
            /* Transparent sage green */
            opacity: 1;
        }

        .custom-auth-input:focus {
            border-color: var(--accent-emerald) !important;
            /* Emerald green focus */
            box-shadow: 0 0 0 0.25rem var(--accent-emerald-glow) !important;
        }

        .custom-auth-input.is-invalid,
        .auth-input.is-invalid {
            background-image: none !important;
        }

        .input-pass-toggle {
            position: absolute;
            right: 12px;
            background: none;
            border: none;
            color: #ffffff;
            cursor: pointer;
            z-index: 10;
        }

        .captcha-row-wrapper {
            display: flex;
            gap: 10px;
        }

        .auth-captcha-image {
            display: flex;
            align-items: center;
            background-color: #ffffff;
            border: none;
            border-radius: 8px;
            padding: 2px 10px;
            height: 44px;
            cursor: pointer;
        }

        .auth-captcha-image img {
            height: 30px;
            margin-right: 5px;
        }

        .submit-btn-custom {
            background: var(--accent-emerald) !important;
            /* Solid emerald green button */
            border: none;
            width: 100%;
            height: 44px;
            font-weight: 600;
            border-radius: 8px;
            box-shadow: 0 4px 12px var(--accent-emerald-glow);
            transition: all 0.2s;
            color: var(--accent-gold) !important;
            /* Gold text on button */
        }

        .submit-btn-custom:hover {
            background: #03523c !important;
            /* Darker emerald hover */
            box-shadow: 0 6px 18px var(--accent-emerald-glow);
        }

        .custom-auth-link {
            color: var(--accent-emerald);
            /* Emerald green link */
            text-decoration: none;
        }

        .custom-auth-link:hover {
            color: #ffffff;
            text-decoration: underline;
        }

        .call-panel {
            position: absolute;
            bottom: 40%;
            right: 2.5%;
            width: 26px;
            height: 60px;
            background: linear-gradient(90deg, #b0b2b5 0%, #e1e3e6 50%, #9ca0a3 100%);
            border-radius: 2px;
            border: 1px solid #86888a;
            display: flex;
            flex-direction: column;
            gap: 6px;
            align-items: center;
            justify-content: center;
            box-shadow: 2px 4px 8px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.8);
            z-index: 15;
        }

        .button-light {
            width: 14px;
            height: 14px;
            background-color: #e0e0e0;
            border-radius: 50%;
            border: 1.5px solid #555555;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 7px;
            font-weight: bold;
            color: #444;
        }

        .doors-open .button-light {
            background-color: var(--accent-gold);
            /* Gold status button when open */
            color: #fff;
            border-color: #a08048;
            box-shadow: 0 0 6px var(--accent-gold);
        }

        @keyframes pulseGlowGold {

            0%,
            100% {
                box-shadow: 0 0 15px rgba(197, 160, 89, 0.3);
            }

            50% {
                box-shadow: 0 0 28px rgba(197, 160, 89, 0.6);
            }
        }

        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-15px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* --- RESPONSIVE MOBILE HANDLERS --- */
        @media (max-width: 991px) {

            body,
            html {
                overflow-y: auto;
                height: auto;
            }

            .scene-container {
                height: auto;
                min-height: 100vh;
            }

            .wall {
                flex-direction: column;
                height: auto;
                padding: 2rem 1rem;
                gap: 2rem;
                justify-content: center;
            }

            .brand-section {
                width: 100%;
                align-items: center;
                text-align: center;
            }

            .brand-logo-container {
                justify-content: center;
            }

            .features-grid {
                grid-template-columns: 1fr;
                max-width: 100%;
            }

            .elevator-frame {
                position: relative;
                right: auto;
                bottom: auto;
                width: 100%;
                max-width: 480px;
                height: 580px;
                padding: 35px 15px 0 15px;
                border-radius: 8px 8px 0 0;
            }

            .elevator-form-card {
                padding: 16px 14px;
                margin: 0px 24px;
            }

        }