/* ==========================================================================
   CSS Stylesheet for Optique Twin Center Landing Page
   Aesthetic: Luxury Dark Navy & Gold with Theme Transition support
   ========================================================================== */

/* Variables & Design System */
:root {
    /* Base spacing and radii */
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 30px;
    --box-shadow-subtle: 0 10px 30px rgba(0, 0, 0, 0.1);
    --box-shadow-glow: 0 0 20px rgba(212, 175, 55, 0.2);
    --font-heading: 'Cinzel', Georgia, serif;
    --font-body: 'Montserrat', Helvetica, sans-serif;
    
    /* Default Gold Theme values (active on body.theme-gold) */
    --color-bg-main: #050B1A;
    --color-bg-alt: #091225;
    --color-bg-card: rgba(9, 18, 37, 0.7);
    --color-bg-glass: rgba(5, 11, 26, 0.8);
    --color-border-glass: rgba(212, 175, 55, 0.15);
    
    --color-text-main: #E5EAF5;
    --color-text-muted: #8E9BAE;
    --color-text-contrast: #FFFFFF;
    
    --color-accent: #D4AF37;          /* Classic Gold */
    --color-accent-hover: #F3E5AB;    /* Soft Gold/Champagne */
    --color-accent-rgb: 212, 175, 55;
}

/* Teal Theme Override class (active on body.theme-teal) */
body.theme-teal {
    --color-bg-main: #061320;
    --color-bg-alt: #0B1E30;
    --color-bg-card: rgba(11, 30, 48, 0.75);
    --color-bg-glass: rgba(6, 19, 32, 0.85);
    --color-border-glass: rgba(0, 168, 150, 0.25);
    
    --color-text-main: #E2ECF5;
    --color-text-muted: #8FA2B5;
    --color-text-contrast: #FFFFFF;
    
    --color-accent: #00A896;          /* Deep Teal/Turquoise */
    --color-accent-hover: #028090;    /* Muted Blue-Teal */
    --color-accent-rgb: 0, 168, 150;
    
    --box-shadow-glow: 0 0 20px rgba(0, 168, 150, 0.2);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--color-bg-main);
    color: var(--color-text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.5s ease, color 0.5s ease;
}

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

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

/* Helper Layout Utilities */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-padding {
    padding: 100px 0;
}

.bg-alt {
    background-color: var(--color-bg-alt);
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-muted { color: var(--color-text-muted); }
.text-accent { color: var(--color-accent); }
.mt-5 { margin-top: 3rem; }
.mb-4 { margin-bottom: 1.5rem; }

.d-flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.d-flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.flex-wrap { flex-wrap: wrap; }
.gap-3 { gap: 1rem; }

/* Buttons & CTA styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 28px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-radius: var(--border-radius-xl);
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--color-accent);
    color: #050B1A;
    box-shadow: var(--box-shadow-glow);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(var(--color-accent-rgb), 0.4);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-text-main);
    border-color: rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-text-contrast);
    border-color: var(--color-accent);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-text-main);
    border-color: var(--color-accent);
}

.btn-outline:hover {
    background-color: var(--color-accent);
    color: #050B1A;
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1rem;
}

.btn-sm {
    padding: 8px 18px;
    font-size: 0.8rem;
}

.btn-block {
    width: 100%;
}

/* Header & Navbar styling */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--color-bg-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border-glass);
    transition: padding 0.3s ease, background-color 0.4s ease;
    padding: 20px 0;
}

.main-header.scrolled {
    padding: 10px 0;
    box-shadow: var(--box-shadow-subtle);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Logo Wrapper styling */
.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 14px;
    height: auto;
    width: auto;
    transition: var(--transition-smooth);
}

.logo-emblem {
    height: 64px;
    width: auto;
    object-fit: contain;
    transition: var(--transition-smooth);
}

/* HTML logo text styling */
.logo-text-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    line-height: 1.05;
    font-family: var(--font-body);
    text-transform: uppercase;
    transition: var(--transition-smooth);
}

.logo-text-top {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    color: transparent;
    -webkit-text-stroke: 0.8px var(--color-text-contrast);
    font-weight: 500;
    font-size: 13px;
    letter-spacing: 5px;
    transition: var(--transition-smooth);
}

.logo-text-top::before,
.logo-text-top::after {
    content: "";
    flex: 1;
    border-bottom: 1px solid var(--color-text-contrast);
    margin: 0 8px;
    opacity: 0.8;
}

.logo-text-bottom {
    color: transparent;
    -webkit-text-stroke: 1.2px var(--color-text-contrast);
    font-weight: 700;
    font-size: 26px;
    letter-spacing: 2px;
    transition: var(--transition-smooth);
}

/* Shrink header logo wrapper elements on scroll */
.main-header.scrolled .logo-emblem {
    height: 48px;
}

.main-header.scrolled .logo-text-top {
    font-size: 10px;
    letter-spacing: 4px;
    -webkit-text-stroke: 0.6px var(--color-text-contrast);
}

.main-header.scrolled .logo-text-bottom {
    font-size: 20px;
    letter-spacing: 1.5px;
    -webkit-text-stroke: 1px var(--color-text-contrast);
}

.nav-menu ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    position: relative;
    padding: 5px 0;
}

.nav-link:hover, .nav-link.active {
    color: var(--color-text-contrast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition-smooth);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Theme Switcher Toggle button */
.theme-toggle {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border-glass);
    padding: 8px 16px;
    border-radius: var(--border-radius-xl);
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-main);
    transition: var(--transition-smooth);
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.08);
}

body.theme-gold .theme-toggle .teal-indicator { display: none; }
body.theme-teal .theme-toggle .gold-indicator { display: none; }

.gold-dot { color: #D4AF37; margin-right: 6px; }
.teal-dot { color: #00A896; margin-right: 6px; }

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--color-text-main);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Mobile Nav Overlay Menu */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100%;
    background-color: var(--color-bg-main);
    z-index: 1100;
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border-left: 1px solid var(--color-border-glass);
}

.mobile-nav-overlay.active {
    right: 0;
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 50px;
}

.mobile-nav-header .logo-wrapper {
    gap: 10px;
}

.mobile-nav-header .logo-emblem {
    height: 52px;
}

.mobile-nav-header .logo-text-top {
    font-size: 11px;
    letter-spacing: 4px;
    -webkit-text-stroke: 0.7px var(--color-text-contrast);
}

.mobile-nav-header .logo-text-bottom {
    font-size: 22px;
    letter-spacing: 2px;
    -webkit-text-stroke: 1.1px var(--color-text-contrast);
}

.mobile-menu-close {
    background: transparent;
    border: none;
    color: var(--color-text-main);
    font-size: 1.8rem;
    cursor: pointer;
}

.mobile-nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mobile-link {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.mobile-link:hover {
    color: var(--color-text-contrast);
    padding-left: 8px;
}

.mobile-nav-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
}

.mobile-theme-toggle {
    margin-bottom: 20px;
}

.mobile-theme-toggle p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 10px;
}

/* Hero Section with Carousel */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
    z-index: 1;
}

.hero-slides-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    z-index: 1;
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), visibility 1s;
    padding-top: 100px;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    max-width: 800px;
    z-index: 3;
}

/* Slide elements reveal transitions */
.hero-slide .hero-badge,
.hero-slide .hero-title,
.hero-slide .hero-subtitle,
.hero-slide .hero-actions {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-slide.active .hero-badge {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s;
}

.hero-slide.active .hero-title {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.4s;
}

.hero-slide.active .hero-subtitle {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.6s;
}

.hero-slide.active .hero-actions {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.8s;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(var(--color-accent-rgb), 0.1);
    border: 1px solid rgba(var(--color-accent-rgb), 0.3);
    color: var(--color-accent);
    padding: 8px 18px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: var(--border-radius-xl);
    margin-bottom: 24px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.8rem;
    font-weight: 600;
    line-height: 1.15;
    margin-bottom: 20px;
    color: var(--color-text-contrast);
}

.hero-title .accent-text {
    color: var(--color-accent);
    text-shadow: 0 0 30px rgba(var(--color-accent-rgb), 0.15);
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-main);
    opacity: 0.9;
    max-width: 650px;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

/* Slide Nav Buttons */
.hero-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-border-glass);
    color: var(--color-text-main);
    width: 54px;
    height: 54px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    font-size: 1.2rem;
    transition: var(--transition-smooth);
}

.hero-nav-btn:hover {
    background-color: var(--color-accent);
    color: #050B1A;
    border-color: var(--color-accent);
    box-shadow: var(--box-shadow-glow);
}

.hero-prev-btn {
    left: 30px;
}

.hero-next-btn {
    right: 30px;
}

/* Slide Dots indicators */
.hero-dots-container {
    position: absolute;
    top: 50%;
    right: 30px;
    left: auto;
    bottom: auto;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 10;
}

.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.25);
    border: 1px solid rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.hero-dot:hover, .hero-dot.active {
    background-color: var(--color-accent);
    transform: scale(1.25);
    box-shadow: 0 0 8px rgba(var(--color-accent-rgb), 0.5);
}

/* Background alignments for square slide images on wide screens */
.slide-eyewear {
    background-position: left 25% !important; /* Focuses on the face on the left side, keeping right clear for text */
}

.slide-eyewear .hero-content {
    margin-left: auto;
    align-items: flex-end;
    text-align: right;
}

.slide-eyewear .hero-actions {
    justify-content: flex-end;
}

.slide-boutique {
    background-position: center center !important; /* Centers the cropped storefront shop window display */
}

/* Slide 4 Special Contactology Background (glowing interactive lens) */
.slide-contactology {
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 168, 150, 0.12) 0%, transparent 60%),
        radial-gradient(circle at 80% 70%, rgba(212, 175, 55, 0.08) 0%, transparent 60%),
        radial-gradient(circle at 50% 50%, rgba(10, 25, 47, 0.95) 0%, rgba(5, 11, 26, 1) 100%);
    overflow: hidden;
}

.lens-glow-orb-container {
    position: absolute;
    top: 50%;
    right: 15%;
    transform: translateY(-50%);
    width: 450px;
    height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    pointer-events: none;
}

/* Styled to look like a soft, floating, glowing transparent contact lens */
.lens-glow-orb {
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, rgba(0, 168, 150, 0.08) 50%, rgba(0, 168, 150, 0.22) 100%);
    border: 2px solid rgba(0, 168, 150, 0.4);
    box-shadow: 
        0 0 50px rgba(0, 168, 150, 0.25),
        inset 0 0 40px rgba(0, 168, 150, 0.2);
    animation: lens-float 8s ease-in-out infinite, lens-rotate 25s linear infinite;
    position: relative;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

.lens-glow-orb::before {
    content: '';
    position: absolute;
    top: 15%;
    left: 15%;
    width: 25%;
    height: 25%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.5) 0%, transparent 70%);
    border-radius: 50%;
    transform: rotate(-15deg);
}

@keyframes lens-float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-15px) scale(1.03); }
}

@keyframes lens-rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Quick Features Overlay banner */
.hero-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    width: 100%;
    max-width: 900px;
    margin-top: 20px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 16px 20px;
    border-radius: var(--border-radius-md);
    backdrop-filter: blur(5px);
}

.feature-icon {
    font-size: 1.5rem;
    color: var(--color-accent);
    background-color: rgba(var(--color-accent-rgb), 0.1);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-text h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-contrast);
}

.feature-text p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 2;
}

.scroll-mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-text-muted);
    border-radius: var(--border-radius-xl);
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-anim 1.5s infinite;
}

.scroll-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
}

@keyframes scroll-anim {
    0% { top: 6px; opacity: 1; }
    50% { top: 18px; opacity: 0; }
    100% { top: 6px; opacity: 1; }
}

/* Brands Ticker section */
.brands-section {
    background:
        radial-gradient(circle at 50% 0%, rgba(var(--color-accent-rgb), 0.12), transparent 38%),
        linear-gradient(180deg, rgba(2, 6, 15, 0.98), rgba(6, 13, 29, 0.96));
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid var(--color-border-glass);
    padding: 34px 0 36px;
    overflow: hidden;
    position: relative;
}

.brands-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
    background-size: 72px 100%;
    opacity: 0.28;
    pointer-events: none;
}

.brands-title {
    position: relative;
    z-index: 1;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2.6px;
    color: var(--color-accent);
    margin-bottom: 22px;
}

.brands-carousel-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    z-index: 1;
    padding: 4px 0;
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 8%, #000 92%, transparent 100%);
    mask-image: linear-gradient(90deg, transparent 0%, #000 8%, #000 92%, transparent 100%);
}

.brands-carousel-container::before,
.brands-carousel-container::after {
    content: '';
    position: absolute;
    top: 0;
    width: 120px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.brands-carousel-container::before {
    left: 0;
    background: linear-gradient(90deg, rgba(2,6,15,0.98), transparent);
}

.brands-carousel-container::after {
    right: 0;
    background: linear-gradient(270deg, rgba(2,6,15,0.98), transparent);
}

.brands-track {
    display: flex;
    align-items: center;
    gap: 18px;
    width: max-content;
    animation: marquee 38s linear infinite;
    will-change: transform;
}

.brands-carousel-container:hover .brands-track {
    animation-play-state: paused;
}

.brand-item {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    min-width: 220px;
    min-height: 74px;
    padding: 14px 18px;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--border-radius-md);
    background:
        linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.025)),
        rgba(255, 255, 255, 0.02);
    font-family: var(--font-body);
    font-weight: 600;
    color: var(--color-text-contrast);
    opacity: 0.92;
    box-shadow: 0 14px 30px rgba(0,0,0,0.22);
    transition: var(--transition-smooth);
}

.brand-mark,
.brand-wordmark {
    width: 52px;
    height: 52px;
    flex: 0 0 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: #fff;
    font-weight: 800;
    letter-spacing: 0.4px;
    box-shadow: inset 0 0 18px rgba(255,255,255,0.12), 0 10px 22px rgba(0,0,0,0.22);
}

.brand-wordmark {
    width: 76px;
    flex-basis: 76px;
    border-radius: var(--border-radius-sm);
    color: var(--color-accent);
    background-color: rgba(var(--color-accent-rgb), 0.08);
    border: 1px solid rgba(var(--color-accent-rgb), 0.25);
    font-size: 0.88rem;
    letter-spacing: 3px;
}

.brand-svg {
    width: 34px;
    height: 34px;
    fill: none;
    stroke: currentColor;
    stroke-width: 5;
    flex-shrink: 0;
}

.brand-svg circle {
    fill: currentColor;
    stroke: none;
}

.essilor-mark {
    background: linear-gradient(145deg, #0077c8, #00a1e0);
}

.oakley-mark {
    background: linear-gradient(145deg, #343b4d, #8f98aa);
}

.rayban-mark {
    background: linear-gradient(145deg, #e22150, #9b1236);
    font-size: 0.92rem;
}

.zeiss-mark {
    background: linear-gradient(145deg, #003b82, #001a42);
    font-size: 0.66rem;
}

.nikon-mark {
    background: linear-gradient(145deg, #ffd400, #8a6e00);
    color: #091225;
    font-size: 1.35rem;
}

.brand-copy {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.brand-copy strong {
    color: var(--color-text-contrast);
    font-size: 1.04rem;
    line-height: 1.1;
    white-space: nowrap;
}

.brand-copy small {
    color: var(--color-text-muted);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-top: 5px;
    text-transform: uppercase;
    white-space: nowrap;
}

.brand-item:hover {
    opacity: 1;
    border-color: rgba(var(--color-accent-rgb), 0.45);
    background:
        linear-gradient(135deg, rgba(var(--color-accent-rgb),0.16), rgba(255,255,255,0.04)),
        rgba(255, 255, 255, 0.03);
    transform: translateY(-2px);
    box-shadow: 0 18px 36px rgba(0,0,0,0.3), 0 0 24px rgba(var(--color-accent-rgb), 0.12);
}

.brand-item:hover .brand-copy strong {
    color: var(--color-accent-hover);
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* General Section Headers */
.section-header {
    margin-bottom: 60px;
}

.section-subtitle {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-accent);
    display: block;
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    font-weight: 600;
    color: var(--color-text-contrast);
}

.section-divider {
    width: 60px;
    height: 3px;
    background-color: var(--color-accent);
    margin: 20px auto 0 auto;
}

.section-divider.text-left {
    margin: 20px 0 0 0;
}

/* Savoir Faire Section Grid */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.expertise-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border-glass);
    padding: 40px 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-subtle);
    transition: var(--transition-smooth);
}

.expertise-card:hover {
    transform: translateY(-8px);
    border-color: rgba(var(--color-accent-rgb), 0.5);
    box-shadow: var(--box-shadow-glow);
}

.card-icon {
    font-size: 2.2rem;
    color: var(--color-accent);
    margin-bottom: 24px;
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--color-text-contrast);
    margin-bottom: 16px;
}

.card-desc {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

.card-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 0.85rem;
}

.card-list li {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Collections Grid & Tabs */
.collections-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.tab-btn {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--color-text-muted);
    padding: 10px 24px;
    border-radius: var(--border-radius-xl);
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.tab-btn:hover, .tab-btn.active {
    background-color: var(--color-accent);
    color: #050B1A;
    border-color: var(--color-accent);
}

.collections-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.collection-item {
    display: none;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border-glass);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.collection-item.show {
    display: flex;
    flex-direction: column;
}

.collection-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-subtle);
    border-color: rgba(var(--color-accent-rgb), 0.3);
}

.item-visual {
    position: relative;
    aspect-ratio: 4/3;
    background-color: rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.collection-img-display {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.collection-item:hover .collection-img-display {
    transform: scale(1.06);
}

.item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(5, 11, 26, 0.95);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 2;
}

.item-visual:hover .item-overlay {
    opacity: 1;
}

.item-brand {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-accent);
    margin-bottom: 8px;
}

.item-name {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-contrast);
    margin-bottom: 12px;
}

.item-desc {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 20px;
}

/* Fallback decorative graphics for products (to avoid missing placeholders) */
.placeholder-graphic {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: rgba(var(--color-accent-rgb), 0.15);
    background: radial-gradient(circle, rgba(var(--color-accent-rgb), 0.08) 0%, transparent 70%);
    position: relative;
    transition: transform 0.5s ease;
}

.collection-item:hover .placeholder-graphic {
    transform: scale(1.1);
}

/* Glass items vector highlights in pure CSS */
.placeholder-graphic::before {
    content: '';
    position: absolute;
    width: 60%;
    height: 2px;
    background: linear-gradient(to right, transparent, rgba(var(--color-accent-rgb), 0.3), transparent);
    bottom: 30%;
}

.item-meta {
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.item-tag {
    font-size: 0.75rem;
    color: var(--color-accent);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
    display: block;
}

.item-meta h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-text-contrast);
}

/* Interactive Eye Test Widget styling */
.test-section {
    position: relative;
    background:
        linear-gradient(135deg, rgba(var(--color-accent-rgb), 0.08) 0 1px, transparent 1px 100%),
        linear-gradient(45deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 100%),
        var(--color-bg-main);
    background-size: 42px 42px, 68px 68px, auto;
    overflow: hidden;
}

.test-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, var(--color-bg-main) 92%);
    pointer-events: none;
}

.test-widget-container {
    max-width: 920px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.test-widget-card {
    background:
        linear-gradient(145deg, rgba(255,255,255,0.045), transparent 34%),
        linear-gradient(180deg, var(--color-bg-alt), rgba(5, 11, 26, 0.94));
    border: 1px solid var(--color-border-glass);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.32), var(--box-shadow-glow);
    position: relative;
}

.test-progress {
    height: 6px;
    background-color: rgba(255, 255, 255, 0.05);
    width: 100%;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
    transition: width 0.4s ease;
    box-shadow: 0 0 10px rgba(var(--color-accent-rgb), 0.5);
}

.test-stepper {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1px;
    background-color: rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.test-stepper-item {
    min-width: 0;
    padding: 14px 12px;
    background-color: rgba(5, 11, 26, 0.38);
    color: var(--color-text-muted);
    text-align: center;
    transition: var(--transition-smooth);
}

.test-stepper-item span {
    display: block;
    font-size: 0.68rem;
    color: inherit;
    opacity: 0.72;
}

.test-stepper-item strong {
    display: block;
    margin-top: 2px;
    font-size: 0.78rem;
    font-weight: 600;
    color: inherit;
    white-space: nowrap;
}

.test-stepper-item.active,
.test-stepper-item.done {
    color: var(--color-text-contrast);
    background-color: rgba(var(--color-accent-rgb), 0.12);
}

.test-stepper-item.active {
    box-shadow: inset 0 -2px 0 var(--color-accent);
}

.test-screen {
    display: none;
    padding: 50px 40px;
}

.test-screen.active {
    display: block;
    animation: fade-in 0.5s ease;
}

@keyframes fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.test-screen-content h3 {
    font-family: var(--font-heading);
    font-size: 1.65rem;
    font-weight: 600;
    color: var(--color-text-contrast);
    margin-bottom: 12px;
}

.test-screen-content p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto 30px auto;
}

.test-intro-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
    gap: 42px;
    align-items: center;
}

.test-intro-copy {
    text-align: left;
}

.test-intro-copy p {
    margin-left: 0;
}

.test-kicker {
    display: inline-flex;
    align-items: center;
    margin-bottom: 10px;
    color: var(--color-accent);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1.4px;
    text-transform: uppercase;
}

.test-icon-glow {
    width: 64px;
    height: 64px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 2rem;
    color: var(--color-accent);
    background-color: rgba(var(--color-accent-rgb), 0.1);
    border: 1px solid rgba(var(--color-accent-rgb), 0.2);
    margin-bottom: 20px;
    animation: float-slow 3s ease-in-out infinite;
}

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

.test-instructions {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.04);
    padding: 20px;
    border-radius: var(--border-radius-md);
    margin-bottom: 40px;
    display: inline-flex;
    flex-direction: column;
    gap: 12px;
    text-align: left;
}

.test-instructions p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--color-text-main);
}

.test-instructions i {
    color: var(--color-accent);
    margin-right: 8px;
    width: 20px;
}

.test-intro-visual {
    min-height: 310px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    isolation: isolate;
}

.optic-scan {
    width: min(100%, 310px);
    aspect-ratio: 1;
    border-radius: 50%;
    position: relative;
    display: grid;
    place-items: center;
    background:
        radial-gradient(circle, rgba(var(--color-accent-rgb), 0.18) 0 2px, transparent 3px),
        conic-gradient(from 90deg, rgba(var(--color-accent-rgb), 0.05), rgba(var(--color-accent-rgb), 0.22), rgba(255,255,255,0.04), rgba(var(--color-accent-rgb), 0.05));
    border: 1px solid rgba(var(--color-accent-rgb), 0.22);
    box-shadow: inset 0 0 60px rgba(0,0,0,0.45), 0 20px 50px rgba(0,0,0,0.28);
    overflow: hidden;
}

.optic-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px dashed rgba(255,255,255,0.22);
    animation: lens-rotate 16s linear infinite;
}

.ring-one {
    width: 76%;
    height: 76%;
}

.ring-two {
    width: 54%;
    height: 54%;
    animation-direction: reverse;
    animation-duration: 12s;
}

.optic-eye {
    width: 148px;
    height: 82px;
    border-radius: 50% / 58%;
    background: #f8fbff;
    border: 2px solid rgba(0,0,0,0.12);
    display: grid;
    place-items: center;
    position: relative;
    z-index: 1;
    box-shadow: 0 10px 22px rgba(0,0,0,0.22);
}

.optic-eye::before,
.optic-eye::after {
    content: '';
    position: absolute;
    width: 42px;
    height: 3px;
    background-color: rgba(0,0,0,0.2);
    top: 50%;
}

.optic-eye::before { left: -36px; transform: rotate(18deg); }
.optic-eye::after { right: -36px; transform: rotate(-18deg); }

.optic-pupil {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background:
        radial-gradient(circle at 50% 50%, #050b1a 0 9px, transparent 10px),
        radial-gradient(circle at 36% 34%, #ffffff 0 4px, transparent 5px),
        radial-gradient(circle, var(--color-accent) 0%, var(--color-accent-hover) 44%, #17243d 70%);
    border: 2px solid #17243d;
}

.scan-line {
    position: absolute;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-accent-hover), transparent);
    animation: optic-scan-line 3.2s ease-in-out infinite;
}

.test-floating-chip {
    position: absolute;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: var(--border-radius-xl);
    background-color: rgba(5, 11, 26, 0.78);
    border: 1px solid rgba(var(--color-accent-rgb), 0.22);
    color: var(--color-text-contrast);
    font-size: 0.78rem;
    font-weight: 700;
    box-shadow: 0 14px 28px rgba(0,0,0,0.24);
}

.test-floating-chip i {
    color: var(--color-accent);
}

.chip-clarity { top: 18px; right: 10px; }
.chip-focus { bottom: 30px; right: 28px; }
.chip-axis { bottom: 84px; left: 0; }

@keyframes optic-scan-line {
    0%, 100% { transform: translateY(-82px); opacity: 0.35; }
    50% { transform: translateY(82px); opacity: 1; }
}

/* Step 1: Astigmatism wheel dial in CSS */
.test-visual-display {
    width: 220px;
    height: 220px;
    margin: 0 auto 30px auto;
    border-radius: 50%;
    background-color: #FFFFFF;
    position: relative;
    box-shadow: 0 5px 20px rgba(0,0,0,0.4);
}

.test-calibration-panel {
    width: fit-content;
    max-width: 100%;
    margin: -8px auto 24px auto;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.test-calibration-panel div,
.acuity-meta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 12px;
    border-radius: var(--border-radius-xl);
    background-color: rgba(255, 255, 255, 0.035);
    border: 1px solid rgba(255, 255, 255, 0.06);
    color: var(--color-text-main);
    font-size: 0.78rem;
    font-weight: 600;
}

.test-calibration-panel i {
    color: var(--color-accent);
}

.astigmatism-wheel {
    position: absolute;
    top: 5%;
    left: 5%;
    width: 90%;
    height: 90%;
    background: 
        repeating-conic-gradient(
            from 0deg,
            #000000 0deg 1.5deg,
            transparent 1.5deg 15deg
        );
    border-radius: 50%;
}

.astigmatism-wheel::after {
    content: '';
    position: absolute;
    top: 35%;
    left: 35%;
    width: 30%;
    height: 30%;
    background-color: #FFFFFF;
    border-radius: 50%;
    border: 1.5px solid #000000;
}

.astigmatism-wheel::before {
    content: '';
    position: absolute;
    inset: 8%;
    border-radius: 50%;
    border: 1px solid rgba(0,0,0,0.18);
}

/* Step 2: Snellen E scale styling */
.acuity-meta {
    margin: -8px auto 24px auto;
    min-width: min(100%, 360px);
    justify-content: space-between;
}

.acuity-meta span:first-child {
    color: var(--color-accent);
}

#acuity-feedback.is-correct {
    color: #64d889;
}

#acuity-feedback.is-wrong {
    color: #ffb26b;
}

.acuity-focus-ring {
    position: absolute;
    width: 78%;
    height: 78%;
    border-radius: 50%;
    border: 1px dashed rgba(0,0,0,0.14);
    animation: lens-rotate 18s linear infinite;
}

.snellen-e {
    font-family: var(--font-body);
    font-size: 140px;
    font-weight: 800;
    color: #000000;
    line-height: 1;
    user-select: none;
    transition: transform 0.3s ease, font-size 0.3s ease;
    position: relative;
    z-index: 1;
}

/* Step 3: Duochrome display */
.duochrome-display {
    display: flex;
    width: 100%;
    max-width: 440px;
    height: 180px;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    margin: 0 auto 30px auto;
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
}

.duochrome-half {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.green-bg {
    background-color: #00FF66;
}

.red-bg {
    background-color: #FF2E2E;
}

.duochrome-circle {
    width: 50px;
    height: 50px;
    border: 8px solid #000000;
    border-radius: 50%;
    box-shadow: 0 0 0 12px rgba(0,0,0,0.08);
}

.duochrome-label {
    position: absolute;
    top: 14px;
    left: 14px;
    color: rgba(0,0,0,0.75);
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Test Widget Buttons */
.test-answers {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.grid-answers {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    gap: 12px;
}

.answer-btn {
    border-radius: var(--border-radius-md);
    background-color: rgba(255, 255, 255, 0.02);
    border-color: rgba(255, 255, 255, 0.08);
}

.answer-btn:hover {
    border-color: var(--color-accent);
    background-color: rgba(var(--color-accent-rgb), 0.05);
}

.answer-btn.is-selected,
.answer-btn.is-correct {
    border-color: var(--color-accent);
    background-color: rgba(var(--color-accent-rgb), 0.12);
    color: var(--color-text-contrast);
}

.answer-btn.is-wrong {
    border-color: rgba(255, 178, 107, 0.8);
    background-color: rgba(255, 178, 107, 0.08);
}

.directional-btn {
    font-size: 1rem;
    padding: 14px 20px;
}

.step-num {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-accent);
    display: block;
    margin-bottom: 8px;
}

.question-text {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-contrast);
}

/* Results panel styles */
.result-badge {
    font-size: 4rem;
    margin-bottom: 20px;
}

.result-badge.success {
    color: #4CAF50;
}

.result-box-text {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 24px;
    border-radius: var(--border-radius-md);
    margin-bottom: 35px;
}

.result-box-text p {
    margin: 0;
    font-size: 1rem;
    color: var(--color-text-main);
}

.result-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--border-radius-md);
    margin-bottom: 30px;
    background-color: rgba(255,255,255,0.06);
}

.result-metric {
    padding: 16px 12px;
    background-color: rgba(255,255,255,0.025);
}

.result-metric span,
.result-metric strong {
    display: block;
}

.result-metric span {
    color: var(--color-text-muted);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.7px;
    margin-bottom: 4px;
}

.result-metric strong {
    color: var(--color-text-contrast);
    font-size: 0.94rem;
}

.result-cta-section {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 30px;
}

.small-cta-text {
    font-size: 0.85rem !important;
    color: var(--color-text-muted) !important;
    margin-bottom: 15px !important;
}

/* Boutique Showcase Section */
.boutique-showcase {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.boutique-image {
    aspect-ratio: 4/3;
    background-size: cover;
    background-position: center;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border-glass);
    position: relative;
    box-shadow: var(--box-shadow-subtle);
    overflow: hidden;
}

.store-floating-card {
    position: absolute;
    bottom: 30px;
    left: 30px;
    background-color: var(--color-bg-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--color-border-glass);
    padding: 20px;
    border-radius: var(--border-radius-md);
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.store-floating-card h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--color-text-contrast);
}

.store-floating-card p {
    font-size: 0.8rem;
    color: var(--color-accent);
}

.boutique-text {
    font-size: 0.95rem;
    color: var(--color-text-main);
    margin-bottom: 20px;
}

.store-features-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 30px;
}

.store-feature {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.store-feature .icon {
    font-size: 1.3rem;
    color: var(--color-accent);
    margin-top: 2px;
}

.store-feature .text {
    font-size: 0.9rem;
    color: var(--color-text-main);
}

/* Contact Grid & Map Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 50px;
}

.contact-info-panel h3, .contact-form-panel h3 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--color-text-contrast);
    margin-bottom: 12px;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin: 35px 0;
}

.info-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.info-item .icon {
    font-size: 1.3rem;
    color: var(--color-accent);
    background-color: rgba(var(--color-accent-rgb), 0.1);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-item .text h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-contrast);
    margin-bottom: 4px;
}

.info-item .text p {
    font-size: 0.88rem;
    color: var(--color-text-muted);
}

/* Map Mock visual styling */
.map-container-mock {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border-glass);
}

.map-preview-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.map-container-mock:hover .map-preview-img {
    transform: scale(1.05);
}

.map-link-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(5, 11, 26, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: var(--transition-smooth);
}

.map-container-mock:hover .map-link-overlay {
    background-color: rgba(5, 11, 26, 0.65);
}

.map-link-overlay span {
    background-color: var(--color-bg-glass);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid var(--color-accent);
    color: var(--color-text-contrast);
    padding: 12px 20px;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--border-radius-xl);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

/* Contact & Appointment Form Panel */
.contact-form-panel {
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border-glass);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-subtle);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
}

.form-group input, .form-group select, .form-group textarea {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--color-text-contrast);
    font-family: var(--font-body);
    font-size: 0.9rem;
    padding: 12px 16px;
    border-radius: var(--border-radius-md);
    transition: var(--transition-smooth);
    width: 100%;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: rgba(255, 255, 255, 0.04);
}

.form-group select option {
    background-color: var(--color-bg-main);
    color: var(--color-text-main);
}

#submit-form-btn .btn-spinner {
    display: none;
}

#submit-form-btn.loading .btn-text {
    display: none;
}

#submit-form-btn.loading .btn-spinner {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.form-alert {
    margin-top: 15px;
    padding: 12px 16px;
    border-radius: var(--border-radius-md);
    font-size: 0.85rem;
    display: none;
}

.form-alert.success {
    display: block;
    background-color: rgba(76, 175, 80, 0.1);
    border: 1px solid #4CAF50;
    color: #81C784;
}

.form-alert.error {
    display: block;
    background-color: rgba(244, 67, 54, 0.1);
    border: 1px solid #F44336;
    color: #E57373;
}

/* Footer Section styling */
.main-footer {
    background-color: rgba(2, 6, 15, 0.95);
    border-top: 1px solid var(--color-border-glass);
    padding-top: 80px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 60px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-brand .logo-wrapper {
    gap: 14px;
    margin-bottom: 5px;
    align-self: flex-start;
}

.footer-brand .logo-emblem {
    height: 72px;
}

.footer-brand .logo-text-top {
    font-size: 14px;
    letter-spacing: 6px;
    -webkit-text-stroke: 0.9px var(--color-text-contrast);
}

.footer-brand .logo-text-bottom {
    font-size: 28px;
    letter-spacing: 2.5px;
    -webkit-text-stroke: 1.3px var(--color-text-contrast);
}

.brand-pitch {
    font-size: 0.88rem;
    color: var(--color-text-muted);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

.social-links a:hover {
    color: #050B1A;
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.footer-links h3, .footer-hours h3 {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-contrast);
    margin-bottom: 24px;
}

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

.footer-links a {
    font-size: 0.88rem;
    color: var(--color-text-muted);
}

.footer-links a:hover {
    color: var(--color-accent);
    padding-left: 5px;
}

.footer-hours p {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    margin-bottom: 16px;
}

.footer-bottom {
    background-color: rgba(0, 0, 0, 0.2);
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    padding: 24px 0;
}

.copyright, .location-stamp, .footer-credit {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.footer-credit {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: var(--border-radius-xl);
    background-color: rgba(var(--color-accent-rgb), 0.08);
    border: 1px solid rgba(var(--color-accent-rgb), 0.18);
    color: var(--color-text-main) !important;
    line-height: 1.2;
    box-shadow: inset 0 0 18px rgba(var(--color-accent-rgb), 0.04), 0 8px 22px rgba(0, 0, 0, 0.18);
}

.footer-credit i,
.footer-credit strong {
    color: var(--color-accent) !important;
}

.footer-credit strong {
    font-weight: 700;
}

/* Floating WhatsApp button */
/* ==========================================================================
   Premium AI Chatbot (Iris) Styles
   ========================================================================== */

/* Floating Trigger Button */
.chatbot-trigger-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
    color: #050B1A;
    border: 3px solid var(--color-accent);
    outline: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    padding: 0;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(var(--color-accent-rgb), 0.4), 0 0 0 3px rgba(var(--color-accent-rgb), 0.15);
    transition: var(--transition-smooth);
    z-index: 9999;
}

/* Amal photo inside trigger */
.chatbot-trigger-avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    border-radius: 50%;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    transition: opacity 0.3s ease;
}

/* Opened X icon floats over the photo */
.chatbot-trigger-btn .chatbot-icon-opened {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    font-size: 1.4rem;
    color: #fff;
    text-shadow: 0 0 8px rgba(0,0,0,0.5);
    background: rgba(5,11,26,0.7);
    width: 100%;
    height: 100%;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
}

.chatbot-trigger-btn:hover {
    transform: scale(1.08) translateY(-2px);
    box-shadow: 0 12px 40px rgba(var(--color-accent-rgb), 0.45);
}

.chatbot-trigger-btn:active {
    transform: scale(0.95);
}

.chatbot-trigger-btn .chatbot-online-indicator {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 14px;
    height: 14px;
    background-color: #2ecc71;
    border: 2px solid var(--color-bg-main);
    border-radius: 50%;
}

.chatbot-trigger-btn .chatbot-online-indicator::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid #2ecc71;
    animation: indicatorPulse 1.8s infinite ease-out;
}

@keyframes indicatorPulse {
    0% {
        transform: scale(0.9);
        opacity: 1;
    }
    100% {
        transform: scale(2.2);
        opacity: 0;
    }
}

.chatbot-trigger-btn .tooltip-text {
    position: absolute;
    right: 75px;
    background-color: var(--color-bg-glass);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--color-border-glass);
    color: var(--color-text-contrast);
    padding: 6px 14px;
    border-radius: var(--border-radius-md);
    font-size: 0.78rem;
    font-weight: 600;
    opacity: 0;
    visibility: hidden;
    white-space: nowrap;
    transition: var(--transition-smooth);
    box-shadow: var(--box-shadow-subtle);
}

.chatbot-trigger-btn:hover .tooltip-text {
    opacity: 1;
    visibility: visible;
    transform: translateX(-5px);
}

/* Chat Card Window */
.chatbot-card {
    position: fixed;
    bottom: 105px;
    right: 30px;
    width: 380px;
    height: 550px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    background: var(--color-bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--color-border-glass);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-glow), 0 20px 40px rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.4s;
    overflow: hidden;
}

.chatbot-card.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* Chat Header */
.chatbot-header {
    padding: 16px 20px;
    background: rgba(var(--color-accent-rgb), 0.08);
    border-bottom: 1px solid var(--color-border-glass);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chatbot-profile {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chatbot-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 2px solid var(--color-accent);
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(var(--color-accent-rgb), 0.2);
}

.chatbot-avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
}

.chatbot-info h4 {
    font-size: 0.95rem;
    font-family: var(--font-heading);
    color: var(--color-text-contrast);
    letter-spacing: 0.5px;
}

.chatbot-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    color: var(--color-text-muted);
}

.chatbot-status .status-dot {
    width: 6px;
    height: 6px;
    background-color: #2ecc71;
    border-radius: 50%;
    display: inline-block;
    animation: statusPulse 1.8s infinite ease-in-out;
}

@keyframes statusPulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

.chatbot-close-btn {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chatbot-close-btn:hover {
    color: var(--color-accent);
    transform: rotate(90deg);
}

/* Chat Messages Area */
.chatbot-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    scroll-behavior: smooth;
}

/* Custom Scrollbar for Messages */
.chatbot-messages::-webkit-scrollbar {
    width: 6px;
}

.chatbot-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chatbot-messages::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.chatbot-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(var(--color-accent-rgb), 0.3);
}

/* Chat Bubbles */
.chat-message {
    display: flex;
    flex-direction: column;
    max-width: 80%;
    animation: fadeInBubble 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.chat-message.bot {
    align-self: flex-start;
}

.chat-message.user {
    align-self: flex-end;
}

.chat-message .message-content {
    padding: 12px 16px;
    font-size: 0.88rem;
    line-height: 1.5;
    border-radius: var(--border-radius-lg);
}

.chat-message.bot .message-content {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--color-text-main);
    border-bottom-left-radius: 4px;
}

.chat-message.user .message-content {
    background: var(--color-accent);
    color: #050B1A;
    border-bottom-right-radius: 4px;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(var(--color-accent-rgb), 0.15);
}

@keyframes fadeInBubble {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Typing Indicator Style */
.chatbot-typing {
    align-self: flex-start;
    padding: 10px 16px;
    margin-left: 20px;
    margin-bottom: 8px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--border-radius-lg);
    border-bottom-left-radius: 4px;
    animation: fadeInBubble 0.2s ease-out forwards;
}

.typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
}

.typing-indicator span {
    width: 6px;
    height: 6px;
    background-color: var(--color-text-muted);
    border-radius: 50%;
    display: inline-block;
    animation: typingBounce 1.4s infinite ease-in-out both;
}

.typing-indicator span:nth-child(1) {
    animation-delay: -0.32s;
}

.typing-indicator span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes typingBounce {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.3;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Quick Replies Area */
.chatbot-quick-replies {
    padding: 12px 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    background: rgba(0, 0, 0, 0.15);
}

.quick-reply-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-main);
    border-radius: 20px;
    padding: 6px 14px;
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.quick-reply-btn:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #050B1A;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(var(--color-accent-rgb), 0.25);
}

/* Input Area styling */
.chatbot-input-area {
    padding: 14px 20px;
    display: flex;
    gap: 10px;
    border-top: 1px solid var(--color-border-glass);
    background: rgba(5, 11, 26, 0.95);
    align-items: center;
}

body.theme-teal .chatbot-input-area {
    background: rgba(6, 19, 32, 0.95);
}

.chatbot-input-area input {
    flex: 1;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border-glass);
    border-radius: 24px;
    padding: 10px 18px;
    color: var(--color-text-contrast);
    font-size: 0.88rem;
    font-family: var(--font-body);
    outline: none;
    transition: all 0.3s ease;
}

.chatbot-input-area input:focus {
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.07);
    box-shadow: 0 0 10px rgba(var(--color-accent-rgb), 0.15);
}

.chatbot-send-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-accent);
    color: #050B1A;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.chatbot-send-btn:hover {
    transform: scale(1.08) rotate(-10deg);
    background: var(--color-accent-hover);
}

.chatbot-send-btn:active {
    transform: scale(0.95);
}

/* Mobile Media Queries Override for Chatbot */
@media (max-width: 768px) {
    .chatbot-trigger-btn {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }
    
    .chatbot-card {
        bottom: 85px;
        right: 20px;
        width: calc(100% - 40px);
        height: 480px;
        max-height: calc(100vh - 120px);
        border-radius: var(--border-radius-md);
    }
    
    .back-to-top {
        bottom: 85px;
        right: 25px;
    }
}

/* Back to Top button */
.back-to-top {
    position: fixed;
    bottom: 105px;
    right: 38px;
    width: 44px;
    height: 44px;
    background-color: var(--color-bg-glass);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid var(--color-border-glass);
    color: var(--color-text-main);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1rem;
    z-index: 980;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-smooth);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--color-accent);
    color: #050B1A;
    border-color: var(--color-accent);
}

/* Scroll reveals animation classes (Intersection Observer JS) */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive design adjustments (media queries) */
@media (max-width: 1024px) {
    html { font-size: 15px; }
    .hero-title { font-size: 3.2rem; }
    .expertise-grid { grid-template-columns: repeat(2, 1fr); }
    .collections-grid { grid-template-columns: repeat(2, 1fr); }
    .test-intro-layout { grid-template-columns: 1fr; }
    .test-intro-copy { text-align: center; }
    .test-intro-copy p { margin-left: auto; }
    .boutique-showcase { grid-template-columns: 1fr; gap: 40px; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-top { grid-template-columns: 1.2fr 0.8fr 1fr; }
}

@media (max-width: 768px) {
    .section-padding { padding: 60px 0; }
    .nav-menu { display: none; }
    .mobile-menu-toggle { display: block; }
    .btn-header { display: none; }
    .hero-title { font-size: 2.5rem; }
    .hero-subtitle { font-size: 1rem; }
    .hero-features { display: none; }
    .expertise-grid { grid-template-columns: 1fr; }
    .collections-grid { grid-template-columns: 1fr; }
    .brands-section { padding: 28px 0 30px; }
    .brands-title { font-size: 0.68rem; letter-spacing: 1.8px; margin-bottom: 16px; }
    .brands-track { gap: 12px; animation-duration: 32s; }
    .brand-item { min-width: 190px; min-height: 66px; padding: 11px 14px; }
    .brand-mark,
    .brand-wordmark { width: 44px; height: 44px; flex-basis: 44px; }
    .brand-wordmark { width: 64px; flex-basis: 64px; font-size: 0.72rem; letter-spacing: 2px; }
    .brand-copy strong { font-size: 0.92rem; }
    .brand-copy small { font-size: 0.58rem; }
    .test-screen { padding: 30px 20px; }
    .test-stepper { grid-template-columns: repeat(5, minmax(54px, 1fr)); overflow-x: auto; }
    .test-stepper-item { padding: 11px 8px; }
    .test-stepper-item strong { font-size: 0.68rem; }
    .test-intro-visual { min-height: 250px; }
    .optic-scan { width: min(82vw, 250px); }
    .test-floating-chip { font-size: 0.68rem; padding: 8px 10px; }
    .test-calibration-panel { flex-direction: column; align-items: stretch; }
    .acuity-meta { width: 100%; min-width: 0; }
    .test-visual-display { width: 190px; height: 190px; }
    .duochrome-display { width: 100%; height: 160px; }
    .result-metrics { grid-template-columns: 1fr; }
    .grid-answers { grid-template-columns: 1fr; }
    .snellen-e { font-size: 100px; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .footer-top { grid-template-columns: 1fr; gap: 40px; }
    .footer-bottom .d-flex-between { justify-content: center; text-align: center; }
    .footer-credit { width: 100%; justify-content: center; }
    .hero-scroll-indicator { display: none !important; }
    .hero-dots-container {
        position: absolute;
        bottom: 30px;
        left: 50%;
        right: auto;
        top: auto;
        transform: translateX(-50%);
        flex-direction: row;
        gap: 12px;
    }
    .slide-eyewear { background-position: center 25% !important; }
    .slide-eyewear .hero-content {
        margin-left: 0;
        align-items: center;
        text-align: center;
    }
    .slide-eyewear .hero-actions {
        justify-content: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    .test-icon-glow,
    .optic-ring,
    .scan-line,
    .acuity-focus-ring {
        animation: none;
    }
}