/*
   ==========================================================================
   SINDLOR ELEVATORS — PRODUCTION DESIGN SYSTEM & UNIFIED STYLESHEET
   Design Direction: "Architectural Precision × Luxury Engineering"
   Palette: Obsidian Slate (#070D18, #0B1528), Titanium Champagne Gold (#C8935A, #D4AF37),
            Warm Off-White/Alabaster (#FAFAF8), Crisp Cyan Telemetry (#38BDF8)
   Typography: Cormorant Garamond (Serif), Outfit & Plus Jakarta Sans (Sans), Space Grotesk (Technical Mono)
   ==========================================================================
*/

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,600&family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
    /* Base Surface Palette */
    --bg-primary: #fafaf8;
    --bg-secondary: #f3f4f6;
    --bg-surface: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.95);
    
    /* Dark Architectural Palette */
    --bg-dark: #070d18;
    --bg-navy: #0b1528;
    --bg-navy-elevated: #112038;
    --bg-navy-card: rgba(11, 21, 40, 0.85);
    --bg-navy-light: #162a4a;
    
    /* Titanium Gold & Metallic Accents */
    --accent-gold: #c8935a;
    --accent-gold-bright: #d4af37;
    --accent-gold-light: rgba(200, 147, 90, 0.1);
    --accent-gold-glow: rgba(212, 175, 55, 0.25);
    --accent-gold-hover: #b58048;
    --accent-gold-rgb: 200, 147, 90;
    
    /* Precision Technical Accents */
    --accent-cyan: #38bdf8;
    --accent-cyan-light: rgba(56, 189, 248, 0.12);
    --accent-green: #22c55e;
    --accent-green-light: rgba(34, 197, 94, 0.12);
    
    /* Borders & Outlines */
    --border-color: #e2e8f0;
    --border-subtle: rgba(226, 232, 240, 0.8);
    --border-hover: rgba(200, 147, 90, 0.45);
    --border-gold-subtle: rgba(200, 147, 90, 0.22);
    --border-dark: rgba(255, 255, 255, 0.08);
    --border-dark-gold: rgba(212, 175, 55, 0.25);
    
    /* Text Hierarchy */
    --text-primary: #0a1120;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-light-muted: #94a3b8;
    --text-inverse: #ffffff;
    --text-gold: #c8935a;
    
    /* Typography */
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Outfit', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Space Grotesk', monospace;
    
    /* Physics & Transitions */
    --transition-fast: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-door: transform 0.65s cubic-bezier(0.85, 0, 0.15, 1);
    
    /* Elevation Shadows */
    --shadow-sm: 0 2px 6px rgba(11, 21, 40, 0.04);
    --shadow-md: 0 8px 24px rgba(11, 21, 40, 0.06);
    --shadow-lg: 0 16px 40px rgba(11, 21, 40, 0.09);
    --shadow-xl: 0 24px 60px rgba(11, 21, 40, 0.14);
    --shadow-gold: 0 8px 30px rgba(200, 147, 90, 0.28);
    --shadow-gold-lg: 0 12px 40px rgba(200, 147, 90, 0.4);
    --shadow-dark: 0 20px 50px rgba(0, 0, 0, 0.4);
}

/* ==========================================================================
   RESET & GLOBAL BASE STYLES
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    height: 100%;
    -webkit-text-size-adjust: 100%;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 9px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 6px;
    border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-gold);
}

/* Ambient Background Canvas */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(11, 21, 40, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(11, 21, 40, 0.025) 1px, transparent 1px);
    background-size: 48px 48px;
    z-index: -3;
    pointer-events: none;
}

.glow-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(150px);
    z-index: -2;
    opacity: 0.4;
    pointer-events: none;
    will-change: transform;
}

.orb-1 {
    width: 55vw;
    height: 55vw;
    max-width: 650px;
    top: -15%;
    left: -10%;
    background: radial-gradient(circle, rgba(var(--accent-gold-rgb), 0.16) 0%, transparent 70%);
}

.orb-2 {
    width: 45vw;
    height: 45vw;
    max-width: 550px;
    bottom: -10%;
    right: -5%;
    background: radial-gradient(circle, rgba(17, 32, 56, 0.14) 0%, transparent 70%);
}

/* ==========================================================================
   SPA ELEVATOR TRANSIT DOORS TRANSITION
   ========================================================================== */
.transit-doors {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 9999;
    pointer-events: none;
    display: flex;
    justify-content: space-between;
}

.door {
    width: 50%;
    height: 100%;
    background-color: var(--bg-navy);
    position: relative;
    box-shadow: 0 0 60px rgba(0, 0, 0, 0.95);
    transition: var(--transition-door);
}

.door-left {
    transform: translateX(-100%);
    background: linear-gradient(90deg, #050a14 0%, #0d1a30 80%, #112240 100%);
}

.door-right {
    transform: translateX(100%);
    background: linear-gradient(-90deg, #050a14 0%, #0d1a30 80%, #112240 100%);
}

.door-left::after, .door-right::before {
    content: '';
    position: absolute;
    top: 0;
    width: 2.5px;
    height: 100%;
    background: linear-gradient(180deg, rgba(200, 147, 90, 0.2), var(--accent-gold-bright), rgba(200, 147, 90, 0.2));
    box-shadow: 0 0 14px var(--accent-gold);
}
.door-left::after { right: 0; }
.door-right::before { left: 0; }

.transit-display {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.75);
    background: rgba(7, 13, 24, 0.96);
    border: 1.5px solid var(--accent-gold);
    box-shadow: 0 0 40px rgba(200, 147, 90, 0.4), inset 0 0 20px rgba(0, 0, 0, 0.8);
    border-radius: 16px;
    padding: 28px 48px;
    text-align: center;
    z-index: 10;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(16px);
}

.transit-label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 3px;
    color: #94a3b8;
    text-transform: uppercase;
    font-weight: 600;
}

.transit-floor {
    font-family: var(--font-mono);
    font-size: 48px;
    font-weight: 700;
    color: var(--accent-gold-bright);
    text-shadow: 0 0 16px rgba(212, 175, 55, 0.6);
    line-height: 1;
}

.transit-arrow {
    font-size: 20px;
    color: var(--accent-gold);
    animation: bounce-arrow 1.2s infinite ease-in-out;
}

@keyframes bounce-arrow {
    0%, 100% { transform: translateY(0); opacity: 0.8; }
    50% { transform: translateY(-5px); opacity: 1; text-shadow: 0 0 8px var(--accent-gold); }
}

.transit-doors.active {
    pointer-events: auto;
}
.transit-doors.active .door-left { transform: translateX(0); }
.transit-doors.active .door-right { transform: translateX(0); }
.transit-doors.active .transit-display {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* ==========================================================================
   APP SHELL & TOP BAR
   ========================================================================== */
.shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    z-index: 1;
    position: relative;
}

/* Top Information Strip */
.top-bar {
    background-color: var(--bg-navy);
    color: #cbd5e1;
    font-size: 13px;
    padding: 9px 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-dark);
}

.top-bar-info {
    display: flex;
    align-items: center;
    gap: 28px;
}

.top-bar-item {
    display: flex;
    align-items: center;
    gap: 7px;
    color: #cbd5e1;
    text-decoration: none;
    font-size: 12.5px;
    transition: var(--transition-fast);
}

.top-bar-item:hover {
    color: var(--accent-gold-bright);
}

.top-bar-item i, .top-bar-item svg {
    width: 14px;
    height: 14px;
    color: var(--accent-gold);
    flex-shrink: 0;
}

.top-bar-badge {
    background: rgba(200, 147, 90, 0.12);
    color: var(--accent-gold);
    border: 1px solid var(--border-gold-subtle);
    padding: 3px 12px;
    border-radius: 50px;
    font-size: 11px;
    font-family: var(--font-mono);
    font-weight: 600;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.top-bar-badge .live-dot {
    width: 6px;
    height: 6px;
    background-color: var(--accent-green);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 6px var(--accent-green);
    animation: live-pulse 2s infinite;
}

@keyframes live-pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.7; }
}

/* ==========================================================================
   PERSISTENT HEADER & NAVIGATION
   ========================================================================== */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 60px;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 110;
    border-bottom: 1px solid var(--border-subtle);
    transition: padding var(--transition-smooth), box-shadow var(--transition-smooth), background var(--transition-smooth);
}

.header.scrolled {
    padding-top: 12px;
    padding-bottom: 12px;
    box-shadow: 0 10px 30px rgba(11, 21, 40, 0.07);
    background: rgba(255, 255, 255, 0.98);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
}

.logo-icon {
    flex-shrink: 0;
    transition: var(--transition-smooth);
}

.logo-container:hover .logo-icon {
    transform: scale(1.04);
}

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

.brand-name {
    font-family: var(--font-mono);
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--bg-navy);
    line-height: 1.1;
}

.brand-sub {
    font-size: 9.5px;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--accent-gold);
    margin-top: 2px;
}

.desktop-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 14.5px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    letter-spacing: 0.2px;
    cursor: pointer;
    transition: var(--transition-fast);
    padding: 6px 0;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-bright));
    transition: var(--transition-smooth);
    border-radius: 2px;
}

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

.nav-dropdown-trigger {
    position: relative;
}

.dropdown-chevron {
    width: 14px;
    height: 14px;
    transition: var(--transition-smooth);
    color: var(--text-muted);
}

.nav-dropdown-trigger:hover .dropdown-chevron {
    transform: rotate(180deg);
    color: var(--accent-gold);
}

.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(12px);
    width: 260px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 10px 0;
    box-shadow: var(--shadow-xl);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
    z-index: 120;
}

.nav-dropdown::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background: #ffffff;
    border-left: 1px solid var(--border-color);
    border-top: 1px solid var(--border-color);
}

.nav-dropdown-trigger:hover .nav-dropdown {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(4px);
}

.dropdown-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 11px 22px;
    font-size: 13.5px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
    font-weight: 500;
}

.dropdown-item:hover {
    background: var(--accent-gold-light);
    color: var(--accent-gold);
    padding-left: 26px;
}

/* ==========================================================================
   BUTTONS & CALLS TO ACTION
   ========================================================================== */
.btn-cta {
    background: linear-gradient(135deg, #c8935a 0%, #b07d46 100%);
    color: #ffffff !important;
    font-weight: 600;
    font-size: 14px;
    padding: 11px 24px;
    border-radius: 50px;
    text-decoration: none;
    letter-spacing: 0.3px;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-gold);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    min-height: 44px;
}

.btn-cta::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    transform: skewX(-25deg);
    transition: 0.75s ease;
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold-lg);
    filter: brightness(1.06);
}

.btn-cta:hover::after {
    left: 140%;
}

.btn-cta:active {
    transform: translateY(0);
}

.btn-phone {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--bg-navy);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    padding: 9px 18px;
    border: 1.5px solid var(--border-color);
    border-radius: 50px;
    transition: var(--transition-fast);
    background: #ffffff;
    min-height: 44px;
}

.btn-phone:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
    background: var(--accent-gold-light);
    transform: translateY(-2px);
}

.btn-secondary {
    background: #ffffff;
    color: var(--bg-navy);
    border: 1.5px solid var(--border-color);
    font-weight: 600;
    font-size: 14px;
    padding: 11px 26px;
    border-radius: 50px;
    text-decoration: none;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
}

.btn-secondary:hover {
    border-color: var(--bg-navy);
    background: var(--bg-secondary);
    transform: translateY(-2px);
}

/* Hamburger button */
.hamburger-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 110;
    padding: 0;
}

.bar {
    width: 100%;
    height: 2.5px;
    background-color: var(--bg-navy);
    transition: var(--transition-smooth);
    border-radius: 2px;
}

.hamburger-btn.active .bar-1 { transform: rotate(45deg) translateY(6px) translateX(6px); }
.hamburger-btn.active .bar-2 { opacity: 0; }
.hamburger-btn.active .bar-3 { transform: rotate(-45deg) translateY(-6px) translateX(6px); }

/* ==========================================================================
   MOBILE DRAWER NAVIGATION
   ========================================================================== */
.mobile-nav-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 100vw;
    height: 100vh;
    background: var(--bg-surface);
    z-index: 105;
    transform: translateX(100%);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding: 85px 24px 36px 24px;
    overflow-y: auto;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.15);
}

.mobile-nav-drawer.active {
    transform: translateX(0);
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    transition: var(--transition-fast);
}

.close-btn:hover {
    background: var(--accent-gold-light);
    color: var(--accent-gold);
    border-color: var(--accent-gold);
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
    width: 100%;
}

.mobile-link {
    font-size: 24px;
    font-weight: 600;
    font-family: var(--font-serif);
    color: var(--bg-navy);
    text-decoration: none;
    transition: var(--transition-fast);
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mobile-link:hover, .mobile-link.active {
    color: var(--accent-gold);
    padding-left: 8px;
}

.mobile-sublinks {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 8px 0 8px 16px;
    border-left: 2px solid var(--accent-gold-light);
    margin-left: 6px;
}

.mobile-sublink {
    font-size: 15px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
    padding: 4px 0;
}

.mobile-sublink:hover, .mobile-sublink.active {
    color: var(--accent-gold);
    font-weight: 600;
}

.mobile-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 32px;
    padding-bottom: 40px;
}

/* ==========================================================================
   COMMON LAYOUT, TYPOGRAPHY & CONTAINER STYLES
   ========================================================================== */
#app-mount {
    flex-grow: 1;
    min-height: 60vh;
    animation: fade-mount 0.4s ease-out;
}

@keyframes fade-mount {
    0% { opacity: 0; transform: translateY(6px); }
    100% { opacity: 1; transform: translateY(0); }
}

.spinner-loader {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(200, 147, 90, 0.15);
    border-top: 3px solid var(--accent-gold);
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
}

@keyframes spin {
    100% { transform: rotate(360deg); }
}

.section {
    padding: 100px 0;
    position: relative;
}

.section-sm {
    padding: 60px 0;
    position: relative;
}

.inner-container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

.section-header {
    text-align: center;
    max-width: 780px;
    margin: 0 auto 60px auto;
}

.section-label {
    font-family: var(--font-mono);
    font-size: 11.5px;
    letter-spacing: 2.5px;
    color: var(--accent-gold);
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 12px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.section-label::before, .section-label::after {
    content: '';
    display: inline-block;
    width: 18px;
    height: 1px;
    background: var(--accent-gold);
    opacity: 0.6;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 600;
    color: var(--bg-navy);
    line-height: 1.15;
    margin-bottom: 18px;
    letter-spacing: -0.5px;
}

.section-desc {
    font-size: clamp(15px, 1.8vw, 17px);
    color: var(--text-secondary);
    line-height: 1.65;
}

/* Common Card Base */
.card-base {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 36px;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.card-base:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

/* ==========================================================================
   1. HERO SECTION & LIVE TELEMETRY SIMULATOR
   ========================================================================== */
.hero-wrapper {
    padding: 80px 0 70px 0;
    position: relative;
    background: linear-gradient(180deg, #ffffff 0%, #fafaf8 60%, #f4f4f0 100%);
    overflow: hidden;
}

.hero-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    right: 15%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(200, 147, 90, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-gold-light);
    border: 1px solid rgba(200, 147, 90, 0.3);
    padding: 6px 18px;
    border-radius: 50px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 1.5px;
    color: var(--accent-gold);
    font-weight: 700;
    margin-bottom: 24px;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(40px, 5.2vw, 68px);
    font-weight: 500;
    line-height: 1.06;
    color: var(--bg-navy);
    margin-bottom: 22px;
    letter-spacing: -1px;
}

.hero-title span {
    font-style: italic;
    color: var(--accent-gold);
    font-weight: 400;
}

.hero-desc {
    font-size: clamp(16px, 1.8vw, 18.5px);
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 36px;
    max-width: 580px;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

/* Hero Live Simulator Box */
.hero-visual-card {
    background: linear-gradient(145deg, #070d18 0%, #0d1a30 100%);
    border-radius: 24px;
    border: 1.5px solid rgba(200, 147, 90, 0.25);
    padding: 30px;
    color: #ffffff;
    box-shadow: var(--shadow-xl), 0 0 50px rgba(11, 21, 40, 0.4);
    position: relative;
    overflow: hidden;
}

.hero-visual-card::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(200, 147, 90, 0.25) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-visual-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 14px;
}

.hero-visual-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 2px;
    color: var(--accent-gold);
    text-transform: uppercase;
    font-weight: 700;
}

/* Floor Trigger Switcher */
.floor-selector-strip {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    background: rgba(255, 255, 255, 0.04);
    padding: 6px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.floor-btn {
    flex: 1;
    background: transparent;
    border: 1px solid transparent;
    color: #94a3b8;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    padding: 6px 0;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.floor-btn:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
}

.floor-btn.active {
    background: var(--accent-gold);
    color: #ffffff;
    border-color: var(--accent-gold-bright);
    box-shadow: 0 0 12px rgba(200, 147, 90, 0.5);
}

.elevator-sim-box {
    display: flex;
    gap: 24px;
    align-items: center;
    background: rgba(7, 13, 24, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    padding: 24px;
}

.sim-shaft {
    width: 68px;
    height: 190px;
    background: rgba(0, 0, 0, 0.6);
    border: 1.5px solid rgba(200, 147, 90, 0.35);
    border-radius: 10px;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: inset 0 0 16px rgba(0,0,0,0.8);
}

.sim-cable {
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, rgba(200, 147, 90, 0.6), rgba(200, 147, 90, 0.2));
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.sim-cabin {
    width: 52px;
    height: 58px;
    background: linear-gradient(180deg, rgba(200, 147, 90, 0.4), rgba(200, 147, 90, 0.85));
    border: 1.5px solid var(--accent-gold-bright);
    box-shadow: 0 0 24px rgba(200, 147, 90, 0.6);
    border-radius: 6px;
    position: absolute;
    left: 6.5px;
    bottom: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: bottom 1.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.sim-floor-display {
    font-family: var(--font-mono);
    font-size: 17px;
    font-weight: 700;
    color: #ffffff;
    text-shadow: 0 0 8px rgba(0,0,0,0.8);
}

.sim-indicator {
    font-size: 10px;
    color: var(--accent-gold-bright);
    line-height: 1;
}

.sim-details {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sim-title {
    font-family: var(--font-serif);
    font-size: 23px;
    font-weight: 600;
    color: #ffffff;
    line-height: 1.2;
}

.sim-desc {
    font-size: 13.5px;
    color: #cbd5e1;
    line-height: 1.5;
}

.sim-spec-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 6px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 10px;
}

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

.sim-spec-val {
    font-family: var(--font-mono);
    font-size: 13.5px;
    font-weight: 700;
    color: var(--accent-gold-bright);
}

.sim-spec-lbl {
    font-size: 10px;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ==========================================================================
   2. TRUST & SAFETY METRICS STRIP
   ========================================================================== */
.trust-strip {
    background: linear-gradient(180deg, var(--bg-navy) 0%, #070d18 100%);
    color: #ffffff;
    padding: 44px 0;
    border-top: 1px solid var(--border-dark);
    border-bottom: 1px solid var(--border-dark);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 36px;
    text-align: center;
}

.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    position: relative;
}

.stat-card:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -18px;
    top: 20%;
    height: 60%;
    width: 1px;
    background: rgba(255, 255, 255, 0.1);
}

.stat-number {
    font-family: var(--font-serif);
    font-size: clamp(38px, 4vw, 50px);
    font-weight: 700;
    color: var(--accent-gold-bright);
    line-height: 1;
    text-shadow: 0 0 20px rgba(200, 147, 90, 0.3);
}

.stat-label {
    font-size: 12.5px;
    color: #cbd5e1;
    font-family: var(--font-mono);
    letter-spacing: 1px;
    font-weight: 600;
}

/* ==========================================================================
   3. PRODUCT CATALOG GRID
   ========================================================================== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.product-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 34px 26px;
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-bright));
    opacity: 0;
    transition: var(--transition-smooth);
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--border-hover);
}

.product-card:hover::before {
    opacity: 1;
}

.product-icon {
    width: 56px;
    height: 56px;
    background: var(--accent-gold-light);
    border: 1.5px solid rgba(200, 147, 90, 0.25);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-gold);
    transition: var(--transition-smooth);
}

.product-card:hover .product-icon {
    background: var(--bg-navy);
    color: var(--accent-gold-bright);
    border-color: var(--accent-gold);
    transform: scale(1.05);
}

.product-card h3 {
    font-family: var(--font-serif);
    font-size: 25px;
    font-weight: 600;
    color: var(--bg-navy);
    line-height: 1.2;
}

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

.product-spec-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 4px;
}

.spec-chip {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    color: var(--accent-gold);
    background: var(--accent-gold-light);
    padding: 3px 8px;
    border-radius: 6px;
    border: 1px solid rgba(200, 147, 90, 0.2);
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 11.5px;
    font-weight: 700;
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: auto;
    padding-top: 12px;
}

.product-link i, .product-link svg {
    width: 14px;
    height: 14px;
    transition: var(--transition-smooth);
}

.product-card:hover .product-link i,
.product-card:hover .product-link svg {
    transform: translateX(5px);
}

/* ==========================================================================
   4. INTERACTIVE CABIN FINISHES CUSTOMIZER
   ========================================================================== */
.cabin-customizer-wrapper {
    background: linear-gradient(145deg, #070d18 0%, #0d1a30 100%);
    border-radius: 28px;
    border: 1.5px solid rgba(200, 147, 90, 0.25);
    padding: 48px;
    color: #ffffff;
    box-shadow: var(--shadow-xl);
    margin-top: 40px;
}

.cabin-customizer-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    align-items: center;
}

.cabin-preview-box {
    background: #000000;
    border-radius: 20px;
    border: 2px solid var(--accent-gold);
    height: 380px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 50px rgba(200, 147, 90, 0.3), inset 0 0 40px rgba(0, 0, 0, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 24px;
    transition: var(--transition-smooth);
}

.cabin-ceiling {
    height: 36px;
    background: #1e293b;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: 0 20px;
}

.ceiling-light-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ffffff;
    box-shadow: 0 0 16px #ffffff;
}

.cabin-walls {
    flex-grow: 1;
    margin: 16px 0;
    border-radius: 12px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Cabin finish presets */
.wall-finish-gold {
    background: linear-gradient(135deg, #785226 0%, #d4af37 40%, #ffd700 60%, #a67c1e 100%);
    box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.6);
}
.wall-finish-steel {
    background: linear-gradient(135deg, #475569 0%, #94a3b8 50%, #cbd5e1 70%, #64748b 100%);
    box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.6);
}
.wall-finish-glass {
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.3) 0%, rgba(15, 23, 42, 0.9) 70%);
    backdrop-filter: blur(10px);
    box-shadow: inset 0 0 30px rgba(56, 189, 248, 0.3);
}
.wall-finish-wood {
    background: linear-gradient(135deg, #3d2314 0%, #613b1f 40%, #804e28 70%, #4a2810 100%);
    box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.7);
}

.cabin-handrail {
    position: absolute;
    bottom: 30%;
    width: 80%;
    height: 8px;
    background: linear-gradient(90deg, #d4af37, #ffffff, #d4af37);
    border-radius: 4px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.8);
}

.cabin-cop-panel {
    position: absolute;
    right: 20px;
    top: 20%;
    width: 24px;
    height: 120px;
    background: #0f172a;
    border: 1px solid var(--accent-gold);
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
    padding: 6px 0;
}

.cop-btn-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-gold);
    box-shadow: 0 0 4px var(--accent-gold);
}

.cabin-floor {
    height: 24px;
    background: linear-gradient(90deg, #111827 0%, #374151 50%, #111827 100%);
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.customizer-options-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.finish-palette-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 8px;
}

.finish-palette-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1.5px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 12px 8px;
    color: #ffffff;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    transition: var(--transition-fast);
}

.finish-palette-btn:hover {
    border-color: var(--accent-gold);
    background: rgba(200, 147, 90, 0.1);
}

.finish-palette-btn.active {
    border-color: var(--accent-gold-bright);
    background: rgba(200, 147, 90, 0.2);
    box-shadow: 0 0 16px rgba(200, 147, 90, 0.35);
}

.finish-swatch {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid #ffffff;
}

.finish-title {
    font-size: 11.5px;
    font-family: var(--font-mono);
    font-weight: 600;
    text-align: center;
}

/* ==========================================================================
   5. SMART ELEVATOR SHAFT QUICK-CALCULATOR
   ========================================================================== */
.calc-wrapper {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 44px;
    box-shadow: var(--shadow-lg);
    margin-top: 40px;
}

.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.calc-inputs {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.calc-output-card {
    background: var(--bg-navy);
    border-radius: 20px;
    border: 1px solid rgba(200, 147, 90, 0.3);
    padding: 36px;
    color: #ffffff;
    box-shadow: var(--shadow-md);
}

.calc-results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 24px 0;
}

.calc-result-box {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 16px;
}

.calc-result-val {
    font-family: var(--font-mono);
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-gold-bright);
    line-height: 1.1;
}

.calc-result-lbl {
    font-size: 11.5px;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 4px;
}

/* ==========================================================================
   6. ENGINEERING FEATURE SPLIT & BEFORE/AFTER SLIDER
   ========================================================================== */
.split-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 32px;
}

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

.feature-icon-box {
    width: 48px;
    height: 48px;
    background: var(--accent-gold-light);
    border: 1.5px solid rgba(200, 147, 90, 0.3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-gold);
    flex-shrink: 0;
    transition: var(--transition-fast);
}

.feature-item:hover .feature-icon-box {
    background: var(--bg-navy);
    color: var(--accent-gold-bright);
}

.feature-text h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--bg-navy);
    margin-bottom: 4px;
}

.feature-text p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.55;
}

.tech-card-visual {
    background: linear-gradient(145deg, #0b1528 0%, #070d18 100%);
    border-radius: 24px;
    padding: 44px;
    color: #ffffff;
    border: 1.5px solid rgba(200, 147, 90, 0.25);
    box-shadow: var(--shadow-xl);
}

.tech-spec-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 32px;
}

.tech-spec-box {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 14px;
    padding: 20px;
}

.tech-spec-val {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 700;
    color: var(--accent-gold-bright);
}

.tech-spec-label {
    font-size: 12px;
    color: #94a3b8;
    font-family: var(--font-mono);
    text-transform: uppercase;
}

/* ==========================================================================
   7. SERVICES GRID & LIFECYCLE CARDS
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 38px 30px;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    gap: 16px;
    box-shadow: var(--shadow-sm);
}

.service-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.service-card h3 {
    font-family: var(--font-serif);
    font-size: 26px;
    font-weight: 600;
    color: var(--bg-navy);
    line-height: 1.2;
}

.service-card p {
    font-size: 14.5px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==========================================================================
   8. SPECIFICATION TABLES & COMPARISON MATRICES
   ========================================================================== */
.table-responsive-wrapper {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 18px;
    overflow-x: auto;
    box-shadow: var(--shadow-sm);
    margin: 32px 0;
}

.tech-spec-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.tech-spec-table th {
    background: var(--bg-navy);
    color: var(--accent-gold-bright);
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    padding: 18px 24px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.tech-spec-table td {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14.5px;
    color: var(--text-primary);
}

.tech-spec-table tr:nth-child(even) {
    background: var(--bg-primary);
}

.tech-spec-table tr:last-child td {
    border-bottom: none;
}

.tech-spec-table .spec-name {
    font-weight: 600;
    color: var(--bg-navy);
    width: 35%;
}

/* ==========================================================================
   9. HIGH-IMPACT LUXURY CTA BANNER
   ========================================================================== */
.cta-banner {
    background: linear-gradient(145deg, #070d18 0%, #0d1a30 70%, #112240 100%);
    color: #ffffff;
    border-radius: 28px;
    padding: 70px 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1.5px solid rgba(200, 147, 90, 0.3);
    box-shadow: var(--shadow-xl);
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 300px;
    background: radial-gradient(ellipse, rgba(200, 147, 90, 0.2) 0%, transparent 70%);
    pointer-events: none;
}

.cta-banner h2 {
    font-family: var(--font-serif);
    font-size: clamp(34px, 4.5vw, 50px);
    font-weight: 500;
    margin-bottom: 18px;
    line-height: 1.15;
}

.cta-banner p {
    font-size: clamp(15px, 1.8vw, 17.5px);
    color: #cbd5e1;
    max-width: 640px;
    margin: 0 auto 36px auto;
    line-height: 1.65;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}

/* ==========================================================================
   10. CONTACT & SHAFT CONSULTATION FORMS
   ========================================================================== */
.contact-layout {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 48px;
}

.contact-info-card {
    background: linear-gradient(145deg, #070d18 0%, #0d1a30 100%);
    color: #ffffff;
    border-radius: 24px;
    padding: 44px;
    display: flex;
    flex-direction: column;
    gap: 32px;
    border: 1.5px solid rgba(200, 147, 90, 0.25);
    box-shadow: var(--shadow-lg);
}

.contact-info-card h3 {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 500;
    color: #ffffff;
}

.contact-method-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-method-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-icon-box {
    width: 46px;
    height: 46px;
    background: rgba(200, 147, 90, 0.15);
    border: 1px solid rgba(200, 147, 90, 0.35);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-gold-bright);
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 11.5px;
    font-family: var(--font-mono);
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 2px;
}

.contact-details p, .contact-details a {
    font-size: 15.5px;
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

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

.contact-form-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 44px;
    box-shadow: var(--shadow-lg);
}

.smart-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 12px;
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-input, .form-select, .form-textarea {
    background: var(--bg-primary);
    border: 1.5px solid var(--border-color);
    border-radius: 12px;
    padding: 13px 18px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 14.5px;
    outline: none;
    transition: var(--transition-fast);
    width: 100%;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--accent-gold);
    background: #ffffff;
    box-shadow: 0 0 0 3.5px rgba(200, 147, 90, 0.18);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-btn-submit {
    background: linear-gradient(135deg, #c8935a 0%, #b07d46 100%);
    color: #ffffff;
    border: none;
    border-radius: 50px;
    padding: 15px;
    font-size: 15.5px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: var(--shadow-gold);
    min-height: 48px;
}

.form-btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold-lg);
    filter: brightness(1.06);
}

.success-screen {
    text-align: center;
    padding: 40px 20px;
}

.success-icon-container {
    width: 76px;
    height: 76px;
    background: var(--accent-gold-light);
    border: 2px solid var(--accent-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px auto;
    color: var(--accent-gold-bright);
    box-shadow: 0 0 24px rgba(200, 147, 90, 0.35);
}

/* ==========================================================================
   11. PORTFOLIO FILTERS & CAPABILITIES GRID
   ========================================================================== */
.portfolio-filters {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.filter-btn {
    background: #ffffff;
    border: 1.5px solid var(--border-color);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 12.5px;
    font-weight: 700;
    padding: 10px 22px;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-fast);
    min-height: 44px;
}

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

.filter-btn.active {
    background: var(--bg-navy);
    border-color: var(--bg-navy);
    color: #ffffff;
    box-shadow: var(--shadow-md);
}

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

/* ==========================================================================
   12. PERSISTENT FOOTER & LEGAL SEALS
   ========================================================================== */
.footer {
    background: linear-gradient(180deg, #091220 0%, #050a12 100%);
    color: #cbd5e1;
    padding: 80px 60px 40px 60px;
    margin-top: auto;
    border-top: 1px solid var(--border-dark);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1.4fr;
    gap: 48px;
    max-width: 1280px;
    margin: 0 auto;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}

.footer-brand-name {
    font-family: var(--font-mono);
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 2px;
    color: #ffffff;
}

.footer-desc {
    font-size: 14px;
    color: #94a3b8;
    line-height: 1.65;
    margin-bottom: 20px;
}

.footer-cert-badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.cert-pill {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--accent-gold-bright);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 6px;
}

.footer-col h4 {
    font-family: var(--font-mono);
    font-size: 11.5px;
    letter-spacing: 1.5px;
    color: var(--accent-gold);
    text-transform: uppercase;
    margin-bottom: 20px;
    font-weight: 700;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col ul li a {
    font-size: 14px;
    color: #cbd5e1;
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-col ul li a:hover {
    color: var(--accent-gold-bright);
    padding-left: 4px;
}

.footer-contact-detail {
    font-size: 14px;
    color: #cbd5e1;
    display: flex;
    gap: 10px;
    margin-bottom: 14px;
    align-items: flex-start;
}

.footer-contact-detail i, .footer-contact-detail svg {
    width: 18px;
    height: 18px;
    color: var(--accent-gold);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-bottom {
    max-width: 1280px;
    margin: 0 auto;
    width: 100%;
}

.footer-bottom .divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.08);
    margin: 44px 0 24px 0;
}

.bottom-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #64748b;
    font-size: 13px;
}

/* ==========================================================================
   13. FLOATING WHATSAPP & MOBILE STICKY ACTIONS
   ========================================================================== */
.whatsapp-widget {
    position: fixed;
    bottom: 28px;
    right: 28px;
    background-color: #25d366;
    color: #ffffff;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.45);
    z-index: 99;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.whatsapp-widget:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 30px rgba(37, 211, 102, 0.65);
}

.whatsapp-widget svg {
    width: 32px;
    height: 32px;
    fill: currentColor;
}

.mobile-sticky-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(7, 13, 24, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding: 10px 16px;
    z-index: 100;
    gap: 12px;
}

.mobile-sticky-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 13.5px;
    text-decoration: none;
    color: #ffffff;
    min-height: 48px;
}

.btn-whatsapp-mobile {
    background: #25d366;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.35);
}

.btn-call-mobile {
    background: linear-gradient(135deg, #c8935a 0%, #b07d46 100%);
    box-shadow: 0 4px 15px rgba(200, 147, 90, 0.35);
}

/* ==========================================================================
   14. RESPONSIVE BREAKPOINTS (Mobile-First Polish)
   ========================================================================== */
@media (max-width: 1024px) {
    .top-bar {
        padding: 8px 24px;
    }
    
    .header {
        padding: 16px 24px;
    }

    .desktop-nav {
        display: none;
    }

    .hamburger-btn {
        display: flex;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .cabin-customizer-grid, .calc-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }
    .stat-card:not(:last-child)::after {
        display: none;
    }

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

    .split-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .footer {
        padding: 60px 24px 30px 24px;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 36px;
    }

    .contact-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .top-bar {
        display: none;
    }

    .mobile-sticky-bar {
        display: flex;
    }

    .whatsapp-widget {
        bottom: 78px;
        right: 18px;
        width: 52px;
        height: 52px;
    }

    .section {
        padding: 64px 0;
    }
    .section-sm {
        padding: 44px 0;
    }

    .inner-container {
        padding: 0 20px;
    }

    .hero-wrapper {
        padding: 40px 0 50px 0;
    }

    .hero-ctas {
        flex-direction: column;
        width: 100%;
    }
    .hero-ctas .btn-cta, .hero-ctas .btn-secondary {
        width: 100%;
    }

    .product-grid, .services-grid, .projects-grid {
        grid-template-columns: 1fr;
    }

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

    .cabin-customizer-wrapper {
        padding: 24px 18px;
    }

    .calc-wrapper, .contact-form-card, .contact-info-card {
        padding: 24px 20px;
    }

    .calc-results-grid {
        grid-template-columns: 1fr;
    }

    .cta-banner {
        padding: 44px 20px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .bottom-flex {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}