/* -------------------------------------------------------------
   WEATHERTEC INDIA - ULTRA-PREMIUM SUSTAINABLE DESIGN SYSTEM
   ------------------------------------------------------------- */

/* Luxury Architectural Color Tokens & Variables */
:root {
    --bg-dark: #F6F8FC;
    --bg-obsidian: #FFFFFF;
    --bg-slate: #F8FAFC;
    --bg-mint: #F0F7FF; /* Ice Blue */
    --bg-sage: #E2EFFF; /* Soft Steel Blue */
    --accent-green: #0054A6; /* Cobalt Blue matching logo */
    --accent-green-rgb: 0, 84, 166;
    --accent-green-hover: #006AD4;
    --accent-gold: #0085FF; /* Steel Cyan secondary matching logo */
    --accent-gold-rgb: 0, 133, 255;
    --accent-gold-hover: #339DFF;
    --text-light: #0B0F19; /* High-contrast Charcoal-Obsidian */
    --text-muted: #475569; /* Soft slate-grey secondary */
    --text-dark: #FFFFFF; /* High-contrast white */
    --text-green: #0054A6;
    --border-color: rgba(0, 84, 166, 0.06);
    --border-premium: rgba(0, 133, 255, 0.2);
    --glass-bg: rgba(255, 255, 255, 0.88);
    --glass-border: rgba(255, 255, 255, 0.6);
    --glass-shadow: 0 20px 50px rgba(15, 23, 42, 0.03);
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 28px;
    --font-heading: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', sans-serif;
}

/* Base Reset & Fine Scroll */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    font-family: var(--font-body);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Premium Animated Floating Mesh Background Blobs */
body::before {
    content: '';
    position: fixed;
    top: -20%;
    left: -20%;
    width: 65%;
    height: 65%;
    background: radial-gradient(circle, rgba(var(--accent-green-rgb), 0.04) 0%, transparent 75%);
    z-index: -2;
    animation: floatBlob1 25s infinite alternate ease-in-out;
}
body::after {
    content: '';
    position: fixed;
    bottom: -20%;
    right: -20%;
    width: 65%;
    height: 65%;
    background: radial-gradient(circle, rgba(var(--accent-gold-rgb), 0.04) 0%, transparent 75%);
    z-index: -2;
    animation: floatBlob2 25s infinite alternate ease-in-out;
}
@keyframes floatBlob1 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(8%, 12%) scale(1.2); }
}
@keyframes floatBlob2 {
    0% { transform: translate(0, 0) scale(1.2); }
    100% { transform: translate(-8%, -12%) scale(0.9); }
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--text-light);
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 120px 0;
    position: relative;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

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

.text-gold {
    color: var(--accent-gold);
}
.text-green-accent {
    background: linear-gradient(135deg, var(--accent-green) 30%, var(--accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Custom Fine Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-slate);
}
::-webkit-scrollbar-thumb {
    background: #E2E8F0;
    border-radius: 6px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-green);
}

/* Badge styling with dual gold/green border glow */
.badge {
    display: inline-block;
    padding: 8px 18px;
    background: linear-gradient(to right, rgba(22, 163, 74, 0.06), rgba(212, 175, 55, 0.06));
    border: 1px solid rgba(22, 163, 74, 0.15);
    color: var(--accent-green);
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 700;
    border-radius: 30px;
    margin-bottom: 28px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    box-shadow: 0 4px 15px rgba(22, 163, 74, 0.02);
}

/* Button UI Components */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 34px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 15px;
    border-radius: 30px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: var(--transition-smooth);
}

.btn-primary {
    background: var(--accent-green);
    color: var(--text-dark);
    border: 1px solid var(--accent-green);
}
.btn-primary:hover {
    background: var(--accent-green-hover);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(21, 128, 61, 0.22);
}

.btn-green {
    background: linear-gradient(135deg, var(--accent-green) 0%, #15803D 50%, var(--accent-gold) 100%);
    color: var(--text-dark);
    border: none;
    box-shadow: 0 4px 20px rgba(21, 128, 61, 0.15);
}
.btn-green::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-green) 100%);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.5s ease;
}
.btn-green:hover::before {
    opacity: 1;
}
.btn-green:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(212, 175, 55, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--text-light);
    border: 2px solid rgba(11, 15, 25, 0.1);
}
.btn-outline:hover {
    background: rgba(21, 128, 61, 0.04);
    border-color: var(--accent-green);
    color: var(--accent-green);
    transform: translateY(-3px);
}

.btn-sm {
    padding: 10px 22px;
    font-size: 13px;
}

.btn-block {
    width: 100%;
}

/* Glassmorphism Styles (Bright Theme) */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    box-shadow: var(--glass-shadow);
    position: relative;
}

/* Header & Navigation Area - B2B Two-Tier Corporate Layout */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: #FFFFFF;
    border-bottom: 1px solid rgba(0, 84, 166, 0.08);
    transition: var(--transition-smooth);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.015);
}
.main-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, var(--accent-green), var(--accent-gold));
    z-index: 10;
}

/* Header Top Tier Row */
.header-top-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    padding: 0 24px;
    max-width: 1300px;
    margin: 0 auto;
    width: 100%;
    transition: var(--transition-smooth);
}

.logo-area .logo-img {
    height: 68px; /* Bold, high-end logo display */
    width: auto;
    display: block;
    transition: var(--transition-smooth);
}

/* Rounded Search Bar (Center) */
.search-bar-container {
    display: flex;
    align-items: center;
    background: #F8FAFC;
    border: 1px solid rgba(0, 84, 166, 0.08);
    border-radius: 30px;
    padding: 0 20px;
    width: 290px;
    height: 42px;
    transition: var(--transition-smooth);
}
.search-bar-container:focus-within {
    background: #FFFFFF;
    border-color: var(--accent-green);
    box-shadow: 0 4px 15px rgba(0, 84, 166, 0.08);
    width: 330px;
}
.search-icon {
    font-size: 13px;
    color: var(--text-muted);
    margin-right: 8px;
}
.nav-search-input {
    border: none;
    background: transparent;
    outline: none;
    width: 100%;
    font-size: 13px;
    font-family: var(--font-body);
    color: var(--text-light);
    font-weight: 500;
}
.nav-search-input::placeholder {
    color: #94A3B8;
}

/* Top Nav Quick B2B Actions (Right) */
.top-nav-actions {
    display: flex;
    align-items: center;
    gap: 22px;
}
.action-link {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
    transition: var(--transition-smooth);
}
.action-link:hover {
    color: var(--accent-green);
}
.action-icon {
    font-size: 16px;
    color: var(--accent-green);
    background: rgba(0, 84, 166, 0.05);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    border: 1px solid rgba(0, 84, 166, 0.02);
}
.action-link:hover .action-icon {
    background: var(--accent-green);
    color: #FFFFFF;
    border-color: transparent;
}
.action-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
    text-align: left;
}
.action-text span {
    font-size: 9px;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.03em;
}
.action-text strong {
    font-size: 12px;
    font-family: var(--font-heading);
    font-weight: 700;
}

/* Header Bottom Tier Row */
.header-bottom-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 48px;
    padding: 0 24px;
    background: rgba(240, 247, 255, 0.85); /* Ice blue slightly transparent */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid rgba(0, 84, 166, 0.04);
    max-width: 100%;
    width: 100%;
    transition: var(--transition-smooth);
}

.nav-menu-bar {
    max-width: 1300px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-menu-bar .nav-menu-list {
    display: flex;
    gap: 18px;
    align-items: center;
}

/* Dropdown Menu Item Styling */
.menu-item-dropdown {
    position: relative;
}
.menu-link {
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 700;
    color: var(--text-light);
    padding: 12px 0;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition-smooth);
}
.menu-link:hover {
    color: var(--accent-green);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #FFFFFF;
    border: 1px solid rgba(0, 84, 166, 0.08);
    border-radius: var(--border-radius-sm);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
    padding: 12px 0;
    min-width: 230px;
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1050;
    text-align: left;
}
.menu-item-dropdown:hover .dropdown-menu {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}
.dropdown-menu li a {
    display: block;
    padding: 10px 20px;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-muted);
    transition: var(--transition-smooth);
}
.dropdown-menu li a:hover {
    background: rgba(0, 84, 166, 0.04);
    color: var(--accent-green);
    padding-left: 24px;
}

/* Call us block (Bottom Right) */
.nav-call-us {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
}
.call-icon {
    font-size: 15px;
    color: var(--accent-green);
    animation: phonePulse 2s infinite ease-in-out alternate;
}
@keyframes phonePulse {
    0% { transform: scale(1); }
    100% { transform: scale(1.15); }
}
.call-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
    text-align: left;
}
.call-text span {
    font-size: 9px;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 700;
}
.call-text strong {
    font-size: 11px;
    font-family: var(--font-heading);
    font-weight: 700;
}

.dropdown-arrow {
    font-size: 10px;
    margin-left: 4px;
    display: inline-block;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.menu-item-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.mobile-nav-actions {
    display: none;
}

/* Mobile Toggle Button */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1010;
}
.mobile-menu-toggle .bar {
    width: 100%;
    height: 2.5px;
    background-color: var(--text-light);
    transition: var(--transition-smooth);
    border-radius: 2px;
}

/* Scroll adjustments */
.main-header.scrolled .header-top-row {
    height: 64px;
}
.main-header.scrolled .logo-area .logo-img {
    height: 52px;
}

/* Hero Section (Bright Eco luxury) */
.hero-section {
    position: relative;
    min-height: 100vh;
    padding-top: 200px;
    padding-bottom: 100px;
    display: flex;
    align-items: center;
    background-image: url('hero_eco_villa.png');
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(250,251,253,0.98) 45%, rgba(250,251,253,0.4) 100%);
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    gap: 70px;
}

.hero-content {
    max-width: 720px;
}

.hero-title {
    font-size: 58px;
    line-height: 1.15;
    margin-bottom: 28px;
    font-weight: 800;
}

.hero-subtitle {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 44px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 20px;
}

/* Floating Light Glass Cards with golden hover accent */
.hero-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.glass-card {
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 36px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.02);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}
.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(to right, var(--accent-green), var(--accent-gold));
    transition: var(--transition-smooth);
    transform: translateX(-50%);
}
.glass-card:hover::before {
    width: 100%;
}
.glass-card:hover {
    transform: translateY(-8px);
    border-color: rgba(212, 175, 55, 0.25);
    box-shadow: 0 20px 45px rgba(22,163,74,0.05);
}

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(22, 163, 74, 0.08);
    color: var(--accent-green);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: var(--transition-smooth);
    border: 1px solid rgba(22, 163, 74, 0.06);
}
.glass-card:hover .card-icon {
    background: linear-gradient(135deg, var(--accent-green), var(--accent-gold));
    color: var(--text-dark);
    border-color: transparent;
}

.glass-card h3 {
    font-size: 19px;
    margin-bottom: 12px;
    color: var(--text-light);
}

.glass-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.65;
}

/* Section Headers */
.section-header {
    max-width: 720px;
    margin: 0 auto 70px auto;
}
.section-tag {
    font-size: 12px;
    color: var(--accent-green);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 800;
    display: inline-block;
    margin-bottom: 14px;
    border-bottom: 2px solid var(--accent-gold);
    padding-bottom: 4px;
}
.section-title {
    font-size: 42px;
    margin-bottom: 24px;
    line-height: 1.25;
    font-weight: 800;
}
.section-desc {
    color: var(--text-muted);
    font-size: 16px;
}

/* Weather Simulator Module */
.simulator-wrapper {
    display: flex;
    flex-direction: column;
    gap: 36px;
}

.simulator-controls {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.weather-btn {
    background: var(--bg-slate);
    border: 1px solid rgba(0, 0, 0, 0.05);
    padding: 16px 28px;
    border-radius: 30px;
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.01);
    transition: var(--transition-smooth);
}
.weather-btn:hover {
    color: var(--accent-green);
    border-color: rgba(22, 163, 74, 0.2);
}
.weather-btn.active {
    background: linear-gradient(135deg, var(--accent-green), var(--accent-gold));
    color: var(--text-dark);
    border-color: transparent;
    box-shadow: 0 6px 20px rgba(22,163,74,0.18);
}

.simulator-display {
    position: relative;
    height: 520px;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    user-select: none;
    box-shadow: 0 20px 50px rgba(0,0,0,0.04);
}

.sim-pane {
    position: absolute;
    top: 0;
    height: 100%;
    overflow: hidden;
}

.outdoor-pane {
    left: 0;
    width: 50%;
    background-size: cover;
    background-position: center;
    z-index: 1;
    border-right: 2px solid var(--accent-gold);
    background-image: url('hero_eco_villa.png');
}

/* Harsh outdoor filter */
.outdoor-pane::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.15);
    z-index: 0;
}

.indoor-pane {
    right: 0;
    width: 100%;
    z-index: 0;
    background-image: url('indoor_comfort_bg.png');
    background-size: cover;
    background-position: center;
}

/* Eco comfort calm filter */
.indoor-pane::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.22);
    backdrop-filter: saturate(1.18) brightness(1.04);
    -webkit-backdrop-filter: saturate(1.18) brightness(1.04);
}

.pane-label {
    position: absolute;
    top: 28px;
    padding: 8px 18px;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: var(--font-heading);
    font-size: 11px;
    letter-spacing: 0.15em;
    font-weight: 800;
    z-index: 2;
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
}
.outdoor-pane .pane-label {
    left: 28px;
    color: #DC2626;
    border-color: rgba(220, 38, 38, 0.2);
}
.indoor-pane .pane-label {
    right: 28px;
    color: var(--accent-green);
    border-color: rgba(21, 128, 61, 0.2);
}

.ambient-sound-status {
    position: absolute;
    bottom: 28px;
    padding: 10px 22px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-radius: 30px;
    border: 1px solid var(--border-color);
    font-size: 13px;
    font-family: var(--font-heading);
    z-index: 2;
    box-shadow: 0 8px 25px rgba(0,0,0,0.02);
    display: flex;
    align-items: center;
    gap: 8px;
}
.outdoor-pane .ambient-sound-status {
    left: 28px;
}
.indoor-pane .ambient-sound-status {
    right: 28px;
}

.text-red {
    color: #DC2626;
}
.text-green {
    color: #16A34A;
}

/* Simulated Audio Wave Animation */
.soundwave-container {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    height: 16px;
}
.soundwave-bar {
    width: 2px;
    height: 100%;
    background: #DC2626;
    animation: soundwaveBounce 0.8s infinite ease-in-out alternate;
    transform-origin: bottom;
}
.indoor-pane .soundwave-bar {
    background: #16A34A;
}
@keyframes soundwaveBounce {
    0% { transform: scaleY(0.2); }
    100% { transform: scaleY(1); }
}
.soundwave-bar:nth-child(2) { animation-delay: 0.15s; }
.soundwave-bar:nth-child(3) { animation-delay: 0.3s; }
.soundwave-bar:nth-child(4) { animation-delay: 0.45s; }

/* Slider Handle CSS */
.slider-handle {
    position: absolute;
    top: 0;
    left: 50%;
    width: 3px;
    height: 100%;
    background: linear-gradient(to bottom, var(--accent-green), var(--accent-gold));
    z-index: 2;
    cursor: ew-resize;
    box-shadow: 0 0 15px rgba(21,128,61,0.6);
}

.handle-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 52px;
    height: 52px;
    background: var(--bg-obsidian);
    border: 2px solid var(--accent-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-green);
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
    transition: transform 0.2s ease, background 0.3s ease;
}
.slider-handle:hover .handle-button {
    transform: translate(-50%, -50%) scale(1.12);
    background: var(--bg-slate);
}

/* Weather Effects Overlays */
.weather-effect {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

/* Rain Monsoon effect */
.weather-effect.rain-effect {
    background: rgba(15, 23, 42, 0.2);
}
.weather-effect.rain-effect::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle, rgba(255,255,255,0.4) 1px, transparent 1px);
    background-size: 20px 20px;
    animation: rainFalling 0.6s linear infinite;
}
@keyframes rainFalling {
    0% { background-position: 0 0; }
    100% { background-position: 40px 400px; }
}

/* Heatwave effect */
.weather-effect.heat-effect {
    background: rgba(245, 158, 11, 0.1);
}
.weather-effect.heat-effect::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    box-shadow: inset 0 0 100px rgba(239, 68, 68, 0.35);
    animation: heatVibration 1.5s ease-in-out infinite alternate;
}
@keyframes heatVibration {
    0% { transform: scale(1); filter: blur(0px); }
    100% { transform: scale(1.02); filter: blur(1.5px); }
}

/* Duststorm effect */
.weather-effect.dust-effect {
    background: rgba(146, 64, 14, 0.15);
}
.weather-effect.dust-effect::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle, rgba(217, 119, 6, 0.2) 2px, transparent 2px);
    background-size: 50px 50px;
    animation: dustStorming 2.5s linear infinite;
}
@keyframes dustStorming {
    0% { background-position: 0 0; }
    100% { background-position: 500px 100px; }
}

.simulator-info-card {
    padding: 28px;
    margin-top: 8px;
    border-radius: var(--border-radius-md);
}
.simulator-info-card h3 {
    font-size: 21px;
    color: var(--accent-green);
    margin-bottom: 8px;
    font-weight: 700;
}
.simulator-info-card p {
    font-size: 14px;
    color: var(--text-muted);
}

/* Profile Explorer Section */
.explorer-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.explorer-diagram-container {
    position: relative;
    display: flex;
    justify-content: center;
}

.explorer-diagram {
    width: 100%;
    max-width: 400px;
}

.profile-svg {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 15px 35px rgba(22, 163, 74, 0.04));
}

/* SVG interactive blueprint hotspots */
.hotspot-group {
    cursor: pointer;
}

.hotspot-pulse {
    animation: pulseGlow 2s infinite;
    transform-origin: center;
}
@keyframes pulseGlow {
    0% { r: 8; opacity: 1; }
    100% { r: 24; opacity: 0; }
}

.hotspot-core {
    transition: var(--transition-smooth);
}
.hotspot-group:hover .hotspot-core, 
.hotspot-group.active .hotspot-core {
    fill: var(--accent-gold);
    stroke: var(--accent-green);
    stroke-width: 3px;
}

.explorer-info-container {
    position: relative;
    min-height: 280px;
}

.explorer-card {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    transition: opacity 0.4s ease, transform 0.4s ease;
}
.explorer-card.active {
    position: relative;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.spot-number {
    font-size: 12px;
    font-family: var(--font-heading);
    color: var(--accent-green);
    font-weight: 800;
    border-bottom: 2.5px solid var(--accent-gold);
    padding-bottom: 4px;
    letter-spacing: 0.15em;
    display: inline-block;
    margin-bottom: 18px;
}

.explorer-card h3 {
    font-size: 28px;
    margin-bottom: 16px;
    font-weight: 700;
}
.explorer-card .spot-lead {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 24px;
    line-height: 1.7;
}

.specs-list {
    margin-top: 16px;
}
.specs-list li {
    font-size: 14px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
}
.specs-list strong {
    color: var(--text-light);
}

/* Product Showcase Tabs */
.tabs-nav {
    display: flex;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 56px;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 16px;
    padding: 16px 28px;
    cursor: pointer;
    position: relative;
    transition: var(--transition-smooth);
}
.tab-btn:hover {
    color: var(--accent-green);
}
.tab-btn.active {
    color: var(--accent-green);
}
.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(to right, var(--accent-green), var(--accent-gold));
}

.tab-content-wrapper {
    position: relative;
}

.tab-pane {
    display: none;
}
.tab-pane.active {
    display: block;
    animation: tabFadeIn 0.5s ease-out;
}
@keyframes tabFadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 60px;
    align-items: center;
}

.product-gallery {
    position: relative;
}

.product-main-img {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.015);
    position: relative;
}

.glass-glare {
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.2) 50%, rgba(255,255,255,0) 100%);
    transform: skewX(-25deg);
    transition: 0.75s;
    pointer-events: none;
}
.product-main-img:hover .glass-glare {
    left: 150%;
}

.product-details .product-badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(22, 163, 74, 0.08);
    border-radius: 4px;
    font-size: 11px;
    font-family: var(--font-heading);
    letter-spacing: 0.12em;
    font-weight: 700;
    color: var(--accent-green);
    text-transform: uppercase;
    margin-bottom: 18px;
}

.product-details h3 {
    font-size: 32px;
    margin-bottom: 18px;
    font-weight: 700;
}

.product-details .lead-text {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 28px;
    line-height: 1.7;
}

.product-specs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.spec-item {
    background: rgba(0, 0, 0, 0.015);
    border: 1px solid var(--border-color);
    padding: 18px;
    border-radius: var(--border-radius-sm);
    text-align: center;
}

.spec-label {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 6px;
}
.spec-value {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--accent-green);
    font-size: 14px;
}

.product-features-bullet {
    margin-bottom: 36px;
}
.product-features-bullet li {
    position: relative;
    padding-left: 26px;
    margin-bottom: 14px;
    font-size: 14px;
    color: var(--text-muted);
}
.product-features-bullet li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: -2px;
    color: var(--accent-green);
    font-weight: bold;
    font-size: 15px;
}

/* Green Savings Calculator Section */
.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    padding: 56px;
}

.calc-inputs h3 {
    font-size: 24px;
    margin-bottom: 36px;
    border-left: 4px solid var(--accent-green);
    padding-left: 14px;
}

.form-group {
    margin-bottom: 30px;
}
.form-group label {
    display: block;
    font-size: 14px;
    margin-bottom: 14px;
    color: var(--text-light);
    font-weight: 600;
}
.label-val {
    font-weight: 700;
    color: var(--accent-green);
}

.range-slider {
    width: 100%;
    -webkit-appearance: none;
    height: 6px;
    border-radius: 3px;
    background: #E2E8F0;
    outline: none;
}

/* Custom styled metallic brass range slider dial */
.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-gold) 20%, var(--accent-green) 100%);
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(21,128,61,0.3);
    border: 1px solid rgba(255, 255, 255, 0.4);
    transition: transform 0.15s ease;
}
.range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.22);
}

.custom-select {
    width: 100%;
    padding: 16px 22px;
    background: var(--bg-slate);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-light);
    font-family: var(--font-body);
    outline: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}
.custom-select:focus {
    border-color: var(--accent-green);
}

.calc-results {
    background: linear-gradient(135deg, var(--bg-mint) 0%, var(--bg-sage) 100%);
    border: 1px solid rgba(22, 163, 74, 0.15);
    border-radius: var(--border-radius-md);
    padding: 44px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.calc-results::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, var(--accent-green), var(--accent-gold));
}

.results-header {
    font-size: 11px;
    font-family: var(--font-heading);
    letter-spacing: 0.15em;
    font-weight: 800;
    color: var(--accent-green);
    margin-bottom: 22px;
}

.savings-amount {
    margin-bottom: 36px;
}
.savings-amount .currency {
    font-size: 36px;
    font-weight: 700;
    color: var(--accent-green);
    vertical-align: top;
}
.savings-amount .val {
    font-size: 72px;
    font-family: var(--font-heading);
    font-weight: 800;
    color: var(--accent-green);
    line-height: 1;
}
.savings-amount .duration {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 10px;
    font-weight: 600;
}

.impact-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 36px;
}

.metric {
    display: flex;
    align-items: center;
    gap: 16px;
    text-align: left;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(22, 163, 74, 0.1);
    padding: 18px;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 4px 15px rgba(0,0,0,0.01);
}

.metric-icon {
    font-size: 30px;
}

.metric-data h4 {
    font-size: 19px;
    color: var(--accent-green);
    font-weight: 800;
}
.metric-data p {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 600;
}

.calc-note {
    font-size: 11px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Configurer Customizer Section */
.config-grid {
    display: grid;
    grid-template-columns: 1fr 0.9fr;
    gap: 48px;
}

.config-builder {
    padding: 36px;
}

.config-step {
    margin-bottom: 44px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 36px;
}
.config-step:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

.step-num {
    font-size: 11px;
    color: var(--accent-green);
    font-family: var(--font-heading);
    font-weight: 800;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.config-step h3 {
    font-size: 19px;
    margin-bottom: 22px;
    font-weight: 700;
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.option-card {
    background: var(--bg-slate);
    border: 1px solid var(--border-color);
    padding: 22px 18px;
    border-radius: var(--border-radius-sm);
    text-align: center;
    cursor: pointer;
    transition: var(--transition-smooth);
}
.option-card:hover {
    border-color: rgba(22, 163, 74, 0.25);
    transform: translateY(-3px);
}
.option-card.active {
    background: rgba(22, 163, 74, 0.08);
    border-color: var(--accent-gold);
    box-shadow: 0 8px 25px rgba(22, 163, 74, 0.02);
}

.option-icon {
    font-size: 30px;
    margin-bottom: 12px;
}
.option-card h4 {
    font-size: 14px;
    margin-bottom: 6px;
    font-weight: 700;
}
.option-card p {
    font-size: 11px;
    color: var(--text-muted);
}

.color-options {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.color-dot {
    position: relative;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--border-color);
    transition: var(--transition-smooth);
}
.color-dot:hover {
    transform: scale(1.15);
}
.color-dot.active {
    border-color: var(--accent-gold);
    box-shadow: 0 0 12px rgba(22,163,74,0.4);
}

.color-name {
    position: absolute;
    bottom: -26px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    color: var(--text-muted);
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.2s ease;
}
.color-dot:hover .color-name, .color-dot.active .color-name {
    opacity: 1;
}

.options-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.glaze-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: var(--bg-slate);
    border: 1px solid var(--border-color);
    padding: 18px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-smooth);
}
.glaze-item input {
    margin-top: 4px;
    accent-color: var(--accent-green);
}
.glaze-item.active {
    background: rgba(22, 163, 74, 0.08);
    border-color: var(--accent-gold);
}

.glaze-desc h4 {
    font-size: 14px;
    margin-bottom: 4px;
    font-weight: 700;
}
.glaze-desc p {
    font-size: 11px;
    color: var(--text-muted);
}

.dim-inputs {
    display: flex;
    gap: 20px;
}
.form-group-half {
    flex: 1;
}
.form-group-half label {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 8px;
    font-weight: 600;
}
.form-group-half input {
    width: 100%;
    padding: 14px;
    background: var(--bg-slate);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-light);
    outline: none;
    font-weight: 600;
    transition: var(--transition-smooth);
}
.form-group-half input:focus {
    border-color: var(--accent-green);
    background-color: var(--bg-obsidian);
}

/* Virtual Window Canvas Renderer */
.config-preview-panel {
    padding: 36px;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.preview-header {
    font-size: 11px;
    font-family: var(--font-heading);
    letter-spacing: 0.15em;
    font-weight: 800;
    color: var(--accent-green);
    text-align: center;
}

.preview-window-canvas {
    height: 260px;
    /* Simulated architectural plaster wall frame casing */
    background: radial-gradient(circle, #FCFCFC 0%, #E2E8F0 100%);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.virtual-window-frame {
    width: 190px;
    height: 190px;
    border: 14px solid #F8FAFC;
    border-radius: 4px;
    display: flex;
    align-items: stretch;
    justify-content: stretch;
    box-shadow: 0 12px 35px rgba(0,0,0,0.06);
    transition: var(--transition-smooth);
}

.virtual-glass {
    flex: 1;
    background: rgba(56, 189, 248, 0.1);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

/* Glass double glazed / safety shading */
.virtual-glass.glaze-double {
    background: rgba(14, 165, 233, 0.22);
}
.virtual-glass.glaze-safety {
    background: rgba(3, 105, 161, 0.35);
}

.glass-reflection {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 45%, rgba(255,255,255,0.2) 50%, transparent 55%);
    animation: reflectionSlide 4s infinite linear;
}
@keyframes reflectionSlide {
    0% { transform: translate(-30%, -30%); }
    100% { transform: translate(30%, 30%); }
}

/* Custom polished brass window handle marker */
.window-handle-marker {
    position: absolute;
    right: 8px;
    width: 5px;
    height: 26px;
    background: linear-gradient(to bottom, var(--accent-gold) 0%, #B59228 100%);
    border-radius: 3px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}

.calc-quote-box {
    background: rgba(0, 0, 0, 0.015);
    border: 1px solid var(--border-color);
    padding: 22px;
    border-radius: var(--border-radius-sm);
    text-align: center;
}

.quote-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 4px;
    font-weight: 600;
}
.quote-price {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 8px;
}
.quote-total {
    font-size: 24px;
    font-family: var(--font-heading);
    font-weight: 800;
    color: var(--accent-green);
}

/* Quote Request Form inputs */
.quote-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.form-title {
    font-size: 13px;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    margin-bottom: 8px;
    font-weight: 700;
}

.quote-form input {
    width: 100%;
    padding: 16px 22px;
    background: var(--bg-slate);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-light);
    outline: none;
    font-weight: 600;
    transition: var(--transition-smooth);
}
.quote-form input:focus {
    border-color: var(--accent-green);
    background-color: var(--bg-obsidian);
    box-shadow: 0 0 12px rgba(22,163,74,0.15);
}

.form-success-msg {
    display: none;
    text-align: center;
    background: rgba(22, 163, 74, 0.08);
    border: 1px solid rgba(22, 163, 74, 0.15);
    padding: 28px;
    border-radius: var(--border-radius-sm);
}
.form-success-msg h4 {
    color: var(--accent-green);
    font-size: 19px;
    margin-bottom: 8px;
    font-weight: 700;
}
.form-success-msg p {
    font-size: 13px;
    color: var(--text-muted);
}

/* Tested for Indian Extremes Specs Grid */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.spec-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 84, 166, 0.08);
    padding: 36px 24px;
    border-radius: var(--border-radius-md);
    text-align: center;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 84, 166, 0.02);
}
.spec-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(to right, var(--accent-green), var(--accent-gold));
    transition: var(--transition-smooth);
    transform: translateX(-50%);
}
.spec-card:hover::before {
    width: 100%;
}
.spec-card:hover {
    background: #FFFFFF;
    border-color: rgba(0, 133, 255, 0.35);
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 84, 166, 0.08);
}

.icon-wrap {
    font-size: 40px;
    margin-bottom: 14px;
    transition: transform 0.3s ease;
}
.spec-card:hover .icon-wrap {
    transform: scale(1.15) rotate(5deg);
}

.spec-category {
    display: block;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 800;
    color: var(--accent-gold);
    margin-bottom: 12px;
}

.spec-card h4 {
    font-size: 17px;
    margin-bottom: 12px;
    color: #0F172A;
    font-weight: 700;
    line-height: 1.4;
}

.spec-card p {
    font-size: 13.5px;
    color: #475569;
    line-height: 1.6;
}

/* Testimonials sliding cards with golden avatar borders */
.testimonial-slider {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.testimonial-card {
    padding: 44px;
}

.stars {
    color: var(--accent-gold);
    font-size: 18px;
    margin-bottom: 22px;
}

.quote {
    font-style: italic;
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.75;
    margin-bottom: 28px;
}

.reviewer strong {
    display: block;
    font-size: 15px;
    color: var(--accent-green);
    font-weight: 700;
}
.reviewer span {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 600;
}

/* Footer Section with luxury metallic gold touches */
.main-footer-area {
    background: #0A111A; /* Extremely rich deep dark navy slate */
    padding: 100px 0 40px 0;
    color: rgba(255,255,255,0.72);
    border-top: 1px solid rgba(255,255,255,0.06);
}

.main-footer-area h1, .main-footer-area h2, .main-footer-area h3, .main-footer-area h4 {
    color: #FFFFFF;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1.1fr 1.1fr;
    gap: 40px;
    margin-bottom: 70px;
}

.brand-col .brand-desc {
    color: rgba(255,255,255,0.55);
    font-size: 14px;
    margin-top: 20px;
    line-height: 1.75;
}

.footer-col h4 {
    font-size: 16px;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 10px;
    font-weight: 700;
}
.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent-gold);
}

.links-col ul li {
    margin-bottom: 14px;
}
.links-col a {
    color: rgba(255,255,255,0.55);
    font-size: 14px;
    font-weight: 500;
}
.links-col a:hover {
    color: var(--accent-gold-hover);
    padding-left: 5px;
}

.contact-col p {
    color: rgba(255,255,255,0.55);
    font-size: 13px;
    margin-bottom: 14px;
}

/* live NCR widget */
.weather-widget {
    padding: 22px;
    background: rgba(255,255,255,0.04);
    border-color: rgba(255,255,255,0.06);
}
.widget-temp {
    font-size: 34px;
    font-weight: 800;
    color: var(--accent-gold);
}
.widget-desc {
    font-size: 12px;
    color: #FFFFFF;
    margin-bottom: 10px;
    font-weight: 600;
}
.widget-comfort {
    font-size: 11px;
    color: rgba(255,255,255,0.45);
    border-top: 1px solid rgba(255,255,255,0.06);
    padding-top: 10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding-top: 44px;
    color: rgba(255,255,255,0.45);
    font-size: 12px;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 44px;
    }
    .hero-cards {
        gap: 16px;
    }
    .explorer-grid, .product-grid, .calc-grid, .config-grid, .testimonial-slider {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .explorer-diagram-container {
        order: 2;
    }
    .explorer-info-container {
        order: 1;
        min-height: auto;
    }
    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }
    .main-header {
        border-bottom: 1px solid rgba(0, 84, 166, 0.08);
    }
    .header-top-row {
        height: 68px;
        padding: 0 16px;
    }
    .logo-area .logo-img {
        height: 50px;
    }
    .search-bar-container {
        display: none; /* Hide search bar on mobile/tablet */
    }
    .top-nav-actions {
        gap: 12px;
    }
    .top-nav-actions .action-link:not([download]) {
        display: none; /* Hide Become a Fabricator and Contact Us in header top row */
    }
    .action-text {
        display: none; /* Hide B2B action labels on mobile/tablet */
    }
    .header-bottom-row {
        display: none; /* Hide B2B bottom menu row on mobile */
    }
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Hamburger to X CSS-only active state transitions */
    .mobile-menu-toggle.active .bar:nth-child(1) {
        transform: translateY(7.75px) rotate(45deg);
    }
    .mobile-menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    .mobile-menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-7.75px) rotate(-45deg);
    }

    #navMenu {
        position: fixed;
        top: 68px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 68px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        z-index: 999;
        transition: var(--transition-smooth);
        padding: 30px 24px;
        border-top: 1px solid rgba(0, 84, 166, 0.06);
        overflow-y: auto;
        display: block; /* Force layout block */
    }
    #navMenu.active {
        left: 0;
    }
    
    /* Ensure the menu items stack vertically */
    .nav-menu-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 36px;
        width: 100%;
    }
    
    .nav-menu-bar-inner {
        width: 100%;
    }
    
    #navMenu .nav-menu-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 24px;
        width: 100%;
    }
    .menu-item-dropdown {
        width: 100%;
    }
    .menu-link {
        font-size: 16px;
        padding: 10px 0;
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-bottom: 1px solid rgba(0, 84, 166, 0.06);
    }
    
    /* Mobile Dropdown Arrow animation */
    .menu-item-dropdown .dropdown-arrow {
        font-size: 14px;
        color: var(--accent-green);
        transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        display: inline-block;
    }
    .menu-item-dropdown.active .dropdown-arrow {
        transform: rotate(180deg);
    }
    
    .dropdown-menu {
        display: none; /* Collapsed by default on mobile */
        position: static;
        opacity: 0;
        pointer-events: none;
        transform: none;
        border: none;
        box-shadow: none;
        padding: 8px 0 8px 16px;
        background: transparent;
        min-width: 100%;
    }
    .menu-item-dropdown.active .dropdown-menu {
        display: block;
        opacity: 1;
        pointer-events: auto;
    }
    .dropdown-menu li a {
        padding: 10px 0;
        font-size: 14px;
        border-bottom: none;
        color: var(--text-muted);
    }
    
    /* Mobile B2B actions drawer */
    .mobile-nav-actions {
        display: flex;
        flex-direction: column;
        gap: 12px;
        width: 100%;
        margin-top: 12px;
        padding-top: 24px;
        border-top: 1px solid rgba(0, 84, 166, 0.08);
    }
    .mobile-nav-actions .btn {
        display: flex !important;
        font-size: 14px;
        padding: 12px 24px;
        justify-content: center;
        align-items: center;
        border-radius: 30px;
        width: 100%;
    }
    .btn-sm {
        display: none;
    }
    
    .hero-section {
        padding-top: 120px;
    }
    .hero-title {
        font-size: 34px;
    }
    .hero-actions {
        flex-direction: column;
        gap: 12px;
    }
    .hero-cards {
        grid-template-columns: 1fr;
    }
    
    .simulator-display {
        height: 350px;
    }
    .pane-label {
        font-size: 10px;
        padding: 6px 12px;
        top: 16px;
    }
    .outdoor-pane .pane-label {
        left: 16px;
    }
    .indoor-pane .pane-label {
        right: 16px;
    }
    
    .ambient-sound-status {
        bottom: 16px;
        padding: 8px 14px;
        font-size: 11px;
        gap: 6px;
    }
    .soundwave-container {
        height: 12px;
        gap: 2px;
    }
    
    .tabs-nav {
        flex-direction: column;
        border-bottom: none;
        gap: 8px;
        margin-bottom: 32px;
    }
    .tab-btn {
        font-size: 13px;
        padding: 10px 16px;
        width: 100%;
        text-align: center;
        border: 1px solid rgba(0, 84, 166, 0.08);
        border-radius: 30px;
    }
    .tab-btn.active::after {
        display: none;
    }
    .tab-btn.active {
        background: rgba(0, 84, 166, 0.06);
        color: var(--accent-green);
        border-color: var(--accent-green);
    }
    
    .calc-grid {
        padding: 24px;
        gap: 28px;
    }
    .calc-results {
        padding: 28px;
    }
    .savings-amount .val {
        font-size: 48px;
    }
    .savings-amount .currency {
        font-size: 20px;
    }
    
    .options-grid {
        grid-template-columns: 1fr;
    }
    
    .specs-grid {
        grid-template-columns: 1fr 1fr;
    }
    .footer-top {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .specs-grid {
        grid-template-columns: 1fr;
    }
    .dim-inputs {
        flex-direction: column;
        gap: 12px;
    }
}

/* Sleek B2B Technical Table & Grid Form Styling */
.technical-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 24px;
    font-size: 13px;
    text-align: left;
    background: rgba(255, 255, 255, 0.55);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(22, 163, 74, 0.01);
}
.technical-table th, .technical-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}
.technical-table th {
    background: rgba(22, 163, 74, 0.04);
    color: var(--accent-green);
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: 0.08em;
}
.technical-table tr:last-child td {
    border-bottom: none;
}
.technical-table tr:hover td {
    background: rgba(22, 163, 74, 0.03);
}

.form-group-row {
    display: flex;
    gap: 16px;
    margin-bottom: 14px;
}
.form-group-row .form-group-half {
    flex: 1;
    margin-bottom: 0;
}
.form-group-row .custom-select {
    padding: 16px 20px;
    font-size: 13px;
}
.form-group-row input {
    padding: 16px 20px;
    font-size: 13px;
}

@media (max-width: 768px) {
    .form-group-row {
        flex-direction: column;
        gap: 14px;
        margin-bottom: 0;
    }
    .form-group-row .form-group-half {
        margin-bottom: 14px;
    }
}