/* ==========================================================================
   True Time Thai - Luminous Design System & Stylesheet (Experience Update)
   Typography: Segoe UI
   Colors: Slide-matched Bright White, Royal Navy Blue, Crimson Red, Teal/Cyan
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. VARIABLES & DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root {
    /* Fonts */
    --font-primary: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Segoe UI Web (West European)', 'Segoe UI', -apple-system, sans-serif;
    
    /* Apple White Premium Minimalist Color Palette */
    --bg-dark: #FFFFFF;               /* Clean Apple Pure White background */
    --bg-card: #F5F5F7;               /* Apple Signature smooth off-white/light grey card background */
    --bg-card-hover: #E8E8ED;         /* Slightly deeper grey for subtle card hover state */
    
    --thai-blue: #122C54;            /* Premium Royal Dark Blue for headings and primary accents */
    --thai-red: #D02A2A;             /* Refined, high-end crimson red brand accent */
    --thai-red-glow: rgba(208, 42, 42, 0.06);
    
    --neon-cyan: #0066CC;            /* Apple brand blue for high-contrast hyperlinks & primary buttons */
    --neon-cyan-glow: rgba(0, 102, 204, 0.12);
    
    --thai-gold: #BF9F3F;            /* Muted heritage gold accent */
    --thai-gold-glow: rgba(191, 159, 63, 0.06);
    
    /* Text & Content Contrast */
    --text-white: #1D1D1F;           /* High contrast slate black text */
    --text-muted: #86868B;           /* Apple secondary muted grey for sub-labels and info */
    --silver-platinum: #424245;      /* Apple elegant body text color for high readability */
    
    /* Glassmorphism & Thin Apple Borders */
    --border-glass: rgba(0, 0, 0, 0.08); /* Extremely thin and crisp border */
    --border-glow: rgba(0, 102, 204, 0.35);
    
    /* System Colors */
    --success: #10B981;
    --success-glow: rgba(16, 185, 129, 0.12);
    
    /* Layout & Rounded Corners (Apple Style) */
    --container-width: 1200px;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    /* Ultra-soft premium flat shadows */
    --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.04), 0 2px 8px rgba(0, 0, 0, 0.02);
    --shadow-glow: 0 0 20px rgba(0, 102, 204, 0.06);
    --shadow-hover: 0 16px 36px rgba(0, 0, 0, 0.08), 0 2px 10px rgba(0, 0, 0, 0.02);
    
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-dark); /* Base solid white background */
}

body {
    font-family: var(--font-primary);
    background-color: transparent; /* Transparent body allows negative z-index background watermarks to render perfectly! */
    color: var(--silver-platinum);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* Base Headings & Links */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    color: var(--thai-blue);
    line-height: 1.25;
    letter-spacing: -0.02em;
}

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

a:hover {
    color: var(--thai-red);
}

input, select, textarea {
    font-family: var(--font-primary);
}

/* Utility Containers */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section-divider {
    padding-top: 80px;
    padding-bottom: 80px;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: #CBD5E1;
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neon-cyan);
}

/* --------------------------------------------------------------------------
   3. BACKGROUND GLOWS & OVERLAYS (Soft and Subtle Pastel Glows for Light Theme)
   -------------------------------------------------------------------------- */
.bg-glow {
    position: absolute;
    width: 700px;
    height: 700px;
    border-radius: 50%;
    filter: blur(140px);
    pointer-events: none;
    z-index: -2;
    opacity: 0.18;
}

.bg-glow-1 {
    top: -5%;
    right: -10%;
    background: radial-gradient(circle, var(--neon-cyan) 0%, transparent 70%);
}

.bg-glow-2 {
    top: 40%;
    left: -15%;
    background: radial-gradient(circle, var(--thai-red) 0%, transparent 70%);
}

/* Soft Geometric Background Motif */
.mandala-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 100% 150px, rgba(43, 179, 192, 0.04) 0%, transparent 500px),
        radial-gradient(circle at 0% 800px, rgba(185, 60, 60, 0.03) 0%, transparent 600px);
    pointer-events: none;
    z-index: -1;
}

/* Large Subtle Background Watermark Logo */
.bg-watermark {
    position: fixed;
    top: 50%;
    left: 33.33%; /* Positioned exactly at 1/3 of the page width! */
    transform: translate(-50%, -50%) rotate(-12deg); /* Dramatically tilted/rotated for that asymmetric artistic feel */
    width: 1250px; /* Grand visual watermark overhaul, scaled up from 1000px */
    height: 1250px;
    z-index: -3; /* Placed completely in the background behind all elements */
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.38; /* Highly visible page watermark as requested! */
}

.watermark-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* --------------------------------------------------------------------------
   4. GLASSMORPHISM COMPONENT (Polished Frosted Glass for Light Theme)
   -------------------------------------------------------------------------- */
.glass {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
}

.glass:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   5. BUTTONS & CONTROLS
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    outline: none;
    text-align: center;
}

.btn-sm {
    padding: 8px 18px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-neon {
    background: var(--neon-cyan);
    color: white;
    border-radius: 980px; /* Signature Apple pill button style */
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.15);
}

.btn-neon:hover {
    background: #0052A3; /* Slightly darker Apple Blue on hover */
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(0, 102, 204, 0.25);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--thai-blue); /* Thinner, ultra-crisp border */
    color: var(--thai-blue);
    border-radius: 980px; /* Pill shaped button */
}

.btn-outline:hover {
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    transform: translateY(-1px);
    background: rgba(0, 102, 204, 0.03); /* Subtle blue tint on hover */
}

/* Brand Custom Vector Icon Utility */
.icon-brand {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    display: inline-block;
    vertical-align: middle;
    transition: var(--transition-smooth);
}

.icon-brand-lg {
    width: 44px;
    height: 44px;
}

.highlight-icon .icon-brand {
    width: 32px;
    height: 32px;
}

.scenario-emoji .icon-brand {
    width: 38px;
    height: 38px;
}

.btn-number {
    background: rgba(27, 37, 66, 0.04);
    border: 1px solid var(--border-glass);
    color: var(--thai-blue);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.btn-number:hover {
    background: var(--neon-cyan);
    color: white;
    border-color: var(--neon-cyan);
}

/* --------------------------------------------------------------------------
   6. HEADER & NAVIGATION (Elegant Frosted Glass Header)
   -------------------------------------------------------------------------- */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100px; /* Apple clean compact header height */
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-glass);
    transition: var(--transition-smooth);
}

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

.logo {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%); /* Perfectly centered horizontally and vertically in the header */
    display: flex;
    flex-direction: column !important; /* Center column at top scroll */
    align-items: center;
    z-index: 1002;
    gap: 0px !important;
    transition: var(--transition-smooth);
}

.logo-svg, .logo-img {
    height: 380px !important; /* Enormously large logo! */
    width: auto !important;
    object-fit: contain;
    transition: var(--transition-smooth);
    position: absolute !important;
    top: -80px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    opacity: 0.38 !important;
    z-index: -1 !important;
    pointer-events: none !important;
}

.logo:hover .logo-img {
    transform: translateX(-50%) scale(1.04) rotate(1deg) !important; /* Elegant subtle scale and pop */
}

.logo-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: var(--transition-smooth);
}

/* Scrolled state transitions for header logo */
.app-header.scrolled {
    height: 80px; /* Compress header height on scroll */
}

.app-header.scrolled .logo {
    flex-direction: row !important;
    gap: 12px !important;
}

.app-header.scrolled .logo-img {
    height: 48px !important;
    position: static !important;
    transform: none !important;
    opacity: 1 !important;
    z-index: 2 !important;
    pointer-events: auto !important;
}

.app-header.scrolled .logo-text {
    text-align: left;
    align-items: flex-start;
}

/* Massive Centered Watermark Logo in the middle of the Hero section */
.hero-watermark {
    position: absolute;
    top: 50% !important; /* Center vertically inside the Hero section */
    left: 50%;
    transform: translate(-50%, -50%) !important; /* Center perfectly horizontally and vertically */
    width: 680px !important; /* Enormously enlarged and highly prominent background logo! */
    height: 680px !important;
    z-index: -2; /* Placed deep in the background behind all elements (text & polaroids) */
    pointer-events: none; /* Entirely click-through */
    opacity: 0.45; /* High visibility & prominent opacity */
}

.hero-watermark-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

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

.brand-name {
    font-size: 1.95rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    color: var(--thai-blue);
    line-height: 1.1;
    display: flex;
    align-items: center;
    gap: 8px;
}

.thai-word {
    font-family: 'Segoe Script', 'Segoe UI', cursive, sans-serif;
    font-style: italic;
    font-weight: 700;
    font-size: 2.1rem;
    color: var(--thai-red) !important;
    -webkit-text-fill-color: var(--thai-red) !important;
    display: inline-block;
    transform: rotate(-3deg) translateY(1px);
    margin-left: 2px;
}

.brand-sub {
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--neon-cyan);
}

/* --------------------------------------------------------------------------
   Premium Real-World Experience Showcase Styles (Stacked Polaroid Deck)
   -------------------------------------------------------------------------- */
.polaroid-stack {
    position: relative;
    width: 100%;
    max-width: 400px;
    height: 480px; /* Leave enough room for the rotated/stacked cards */
    margin: 0 auto;
    perspective: 1000px; /* Add 3D depth for the shuffle effect */
}

.experience-visual-card {
    position: absolute !important;
    top: 0;
    left: 0;
    width: 100% !important;
    padding: 16px 16px 40px 16px !important; /* Polaroid-style deep bottom margin */
    overflow: hidden;
    background: #FFFFFF !important;
    border-radius: 4px !important; /* Sharp photo frame edges */
    border: 1px solid rgba(0, 0, 0, 0.08) !important;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1), 0 5px 15px rgba(0, 0, 0, 0.05) !important;
    transform-origin: center center;
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), border-color 0.3s ease !important;
}

.experience-visual-card:hover {
    box-shadow: 0 25px 55px rgba(0, 0, 0, 0.16), 0 10px 22px rgba(0, 0, 0, 0.07) !important;
    border-color: rgba(0, 0, 0, 0.12) !important;
}

/* Hide header on the Polaroid cards for absolute physical realism */
.experience-visual-card .visual-header {
    display: none !important;
}

/* Remove card division borders and align caption */
.experience-visual-card .visual-footer {
    border-top: none !important;
    padding-top: 18px !important;
}

/* Custom premium handwriting typography for the Polaroid captions */
.experience-visual-card .visual-caption {
    font-family: 'Segoe Print', 'Segoe Script', 'Segoe UI', cursive, sans-serif !important;
    font-size: 0.90rem !important; /* Slightly smaller to fit text beautifully */
    color: #333333 !important;
    text-align: center;
    font-style: normal !important;
    font-weight: 700;
    line-height: 1.4;
    padding: 0 4px;
}

.experience-img-container {
    position: relative;
    width: 100%;
    height: 320px; /* Perfect height for the card display */
    border-radius: 2px !important; /* Crisp photo corner styling */
    overflow: hidden;
    box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.12) !important;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.experience-img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Beautiful cropped scale */
    transition: var(--transition-smooth);
}

.experience-visual-card:hover .experience-img {
    transform: scale(1.02); /* Subtle zoom interaction on hover */
}

/* Premium Floating Brand Badge Overlay */
.floating-brand-badge {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.7);
    padding: 10px 24px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 25px rgba(27, 37, 66, 0.12);
    z-index: 10;
    transition: var(--transition-smooth);
    white-space: nowrap; /* Prevent word wrapping */
}

.floating-brand-badge:hover {
    transform: translateY(-2px);
    background: #FFFFFF;
    box-shadow: 0 14px 30px rgba(27, 37, 66, 0.18);
}

.badge-logo-img {
    height: 54px; /* Highly visible badge logo (enlarged from 36px) */
    width: auto;
    object-fit: contain;
}

.brand-name-badge {
    font-size: 1.05rem; /* Enlarged from 0.85rem for greater prominence */
    font-weight: 800;
    color: var(--thai-blue);
    letter-spacing: 0.02em;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap; /* Prevent word wrapping */
}

.brand-name-badge .thai-word {
    font-size: 1.2rem; /* Cursive script resized inside badge */
}

/* Main Navigation Menu */
.main-nav {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 14px; /* Highly compact gap to prevent wrapping on smaller desktop screens */
    flex-wrap: nowrap; /* Never wrap items to second row */
}

.nav-link {
    color: var(--text-muted);
    font-size: 0.82rem; /* Clean compact Segoe UI font size */
    font-weight: 600;
    padding: 8px 0;
    position: relative;
    white-space: nowrap; /* Never wrap text inside items */
}

.nav-link:hover {
    color: var(--thai-blue);
}

.nav-link.active {
    color: var(--neon-cyan);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--thai-red));
    transition: var(--transition-smooth);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--thai-blue);
    transition: var(--transition-smooth);
}

/* --------------------------------------------------------------------------
   7. SECTIONS GENERAL
   -------------------------------------------------------------------------- */
.app-section {
    position: relative; /* Anchor for absolute background watermarks */
    padding: 160px 0 80px 0; /* Aligned perfectly with the 100px Apple White header height */
    display: none;
    animation: sectionFadeIn 0.6s cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}

.section-active {
    display: block;
}

.section-header {
    margin-bottom: 50px;
}

.section-tag {
    display: inline-block;
    color: var(--neon-cyan);
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 12px;
    border-bottom: 2px solid var(--thai-red);
    padding-bottom: 4px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    color: var(--thai-blue);
}

.section-lead-sub {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto;
}

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



/* --------------------------------------------------------------------------
   8. SECTION: HOME & HERO (Light Resort & Tech Design)
   -------------------------------------------------------------------------- */
.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
    padding-top: 20px;
}

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

.badge-thai {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(43, 179, 192, 0.08);
    border: 1px solid rgba(43, 179, 192, 0.2);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--neon-cyan);
    margin-bottom: 24px;
}

.flag-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--thai-red);
    box-shadow: 0 0 6px var(--thai-red-glow);
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.15;
    margin-bottom: 24px;
    color: var(--thai-blue);
}

.text-gradient {
    color: var(--neon-cyan);
}

.hero-lead {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 36px;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

/* Quick Highlights Banner */
.hero-highlights {
    display: flex;
    gap: 32px;
    border-top: 1px solid var(--border-glass);
    padding-top: 24px;
    width: 100%;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.highlight-icon {
    font-size: 1.8rem;
}

.highlight-info {
    display: flex;
    flex-direction: column;
}

.highlight-info strong {
    font-size: 0.95rem;
    color: var(--thai-blue);
}

.highlight-info span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Hero Interactive Showcase Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    position: relative;
}

.visual-card {
    width: 100%;
    max-width: 400px;
    padding: 24px;
    border-radius: var(--radius-lg);
    background: #FFFFFF;
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-soft);
}

.visual-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 12px;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-indicator.online {
    background-color: var(--success);
    box-shadow: 0 0 6px rgba(16, 185, 129, 0.4);
}

.visual-footer {
    border-top: 1px solid var(--border-glass);
    padding-top: 16px;
}

.visual-caption {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
    font-style: italic;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 60px;
}

.feature-card {
    padding: 32px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.feature-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.04);
}

.feature-icon.bg-red { background: rgba(185, 60, 60, 0.08); border: 1px solid var(--thai-red); color: var(--thai-red); }
.feature-icon.bg-blue { background: rgba(27, 37, 66, 0.05); border: 1px solid var(--thai-blue); color: var(--thai-blue); }
.feature-icon.bg-cyan { background: rgba(43, 179, 192, 0.08); border: 1px solid var(--neon-cyan); color: var(--neon-cyan); }
.feature-icon.bg-gold { background: rgba(212, 175, 55, 0.08); border: 1px solid var(--thai-gold); color: var(--thai-gold); }

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--thai-blue);
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Language Showcase Module */
.language-showcase-box {
    padding: 40px;
    border-radius: var(--radius-lg);
    margin-top: 40px;
    background: #FFFFFF;
}

.language-showcase-box h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
    text-align: center;
    color: var(--thai-blue);
}

.language-showcase-box > p {
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 24px;
    font-size: 0.95rem;
}

.search-lang-wrapper {
    max-width: 500px;
    margin: 0 auto 32px auto;
}

.search-lang-wrapper input {
    width: 100%;
    padding: 14px 20px;
    background: var(--bg-dark);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    color: var(--thai-blue);
    font-size: 1rem;
    outline: none;
    transition: var(--transition-smooth);
}

.search-lang-wrapper input:focus {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 8px rgba(43, 179, 192, 0.15);
    background: #FFFFFF;
}

.languages-flex {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    max-height: 250px;
    overflow-y: auto;
    padding: 8px;
}

.lang-tag {
    background: var(--bg-dark);
    border: 1px solid var(--border-glass);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: default;
    transition: var(--transition-smooth);
}

.lang-tag:hover {
    background: rgba(43, 179, 192, 0.08);
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    transform: translateY(-1px);
}

.lang-tag.highlight-th {
    border-color: var(--thai-gold);
    color: var(--thai-gold);
    background: rgba(212, 175, 55, 0.08);
}

/* --------------------------------------------------------------------------
   9. SECTION: INTERACTIVE SIMULATOR (Crisp Clean iMessage/High-End Style)
   -------------------------------------------------------------------------- */
.simulator-layout {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 32px;
    align-items: start;
}

.simulator-scenarios {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.simulator-scenarios h3 {
    font-size: 1.4rem;
    margin-bottom: 8px;
    color: var(--thai-blue);
}

.scenario-card {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    text-align: left;
    background: #FFFFFF;
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-soft);
}

.scenario-emoji {
    font-size: 2.2rem;
    transition: var(--transition-smooth);
}

.scenario-details h4 {
    font-size: 1.05rem;
    margin-bottom: 4px;
    color: var(--thai-blue);
}

.scenario-details p {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.3;
}

.scenario-card:hover {
    transform: translateX(4px);
    border-color: var(--neon-cyan);
    box-shadow: 0 10px 20px rgba(27, 37, 66, 0.06);
}

.scenario-card.active {
    border-color: var(--neon-cyan);
    background: rgba(43, 179, 192, 0.04);
    box-shadow: var(--shadow-glow);
}

.scenario-card.active .scenario-emoji {
    transform: scale(1.1);
}

/* Chatbox Interface */
.simulator-chatbox {
    display: flex;
    flex-direction: column;
    height: 480px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #FFFFFF;
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-soft);
}

.chatbox-header {
    background: #FFFFFF;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-glass);
}

.chatbox-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    color: var(--thai-blue);
}

.blinking {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--thai-red);
    box-shadow: 0 0 6px var(--thai-red-glow);
    animation: blink 1.5s infinite ease-in-out;
}

.device-badge {
    background: rgba(212, 175, 55, 0.12);
    border: 1px solid var(--thai-gold);
    color: var(--thai-gold);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
}

/* Messages area */
.chatbox-messages {
    flex-grow: 1;
    padding: 24px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: #F8FAFC;
}

.msg-bubble {
    max-width: 80%;
    padding: 12px 18px;
    border-radius: var(--radius-md);
    position: relative;
    animation: msgSlideUp 0.4s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
    box-shadow: 0 2px 6px rgba(27, 37, 66, 0.02);
}

.msg-meta {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--thai-gold);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.msg-text {
    font-size: 0.95rem;
    color: var(--thai-blue);
}

.msg-trans {
    font-size: 0.8rem;
    color: var(--neon-cyan);
    margin-top: 8px;
    padding-top: 6px;
    border-top: 1px dashed rgba(43, 179, 192, 0.2);
    font-style: italic;
}

/* Positioning of sender bubbles (High contrast clean look) */
.msg-tourist {
    align-self: flex-start;
    background: #FFFFFF;
    border: 1px solid var(--border-glass);
    border-bottom-left-radius: 4px;
}

.msg-local {
    align-self: flex-end;
    background: rgba(43, 179, 192, 0.08);
    border: 1px solid rgba(43, 179, 192, 0.25);
    border-bottom-right-radius: 4px;
    text-align: right;
}

.msg-local .msg-meta {
    color: var(--neon-cyan);
}

.msg-local .msg-trans {
    color: var(--thai-gold);
    border-top-color: rgba(212, 175, 55, 0.25);
}

/* Controls */
.chatbox-controls {
    background: #FFFFFF;
    padding: 20px 24px;
    border-top: 1px solid var(--border-glass);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ai-status-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.85rem;
    color: var(--neon-cyan);
    background: rgba(43, 179, 192, 0.06);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(43, 179, 192, 0.2);
    border-top: 2px solid var(--neon-cyan);
    border-radius: 50%;
    animation: rotate 1s infinite linear;
}

.control-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* --------------------------------------------------------------------------
   10. SECTION: BOOKING WIZARD
   -------------------------------------------------------------------------- */
.booking-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 32px;
    align-items: start;
}

.booking-form {
    padding: 40px;
    border-radius: var(--radius-lg);
    background: #FFFFFF;
    border: 1px solid var(--border-glass);
}

.booking-form h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 12px;
    color: var(--thai-blue);
}

/* Form layouts */
.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

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

.col-6 {
    width: 50%;
}

.booking-form label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--thai-blue);
}

.booking-form input[type="text"],
.booking-form input[type="email"],
.booking-form input[type="date"],
.booking-form select {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-dark);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    color: var(--thai-blue);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-smooth);
}

.booking-form input:focus,
.booking-form select:focus {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 8px rgba(43, 179, 192, 0.15);
    background: #FFFFFF;
}

/* Custom quantity button style */
.number-input-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.number-input-wrapper input {
    width: 50px;
    text-align: center;
    background: transparent;
    border: none;
    color: var(--thai-blue);
    font-size: 1.2rem;
    font-weight: 700;
}

/* Checkbox design */
.checkbox-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.checkbox-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    cursor: pointer;
    position: relative;
    background: var(--bg-dark);
    border: 1px solid var(--border-glass);
}

.checkbox-card input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.check-custom {
    width: 22px;
    height: 22px;
    border: 2px solid rgba(27, 37, 66, 0.15);
    border-radius: 4px;
    display: inline-block;
    position: relative;
    flex-shrink: 0;
    transition: var(--transition-smooth);
    margin-top: 2px;
}

.checkbox-card:hover .check-custom {
    border-color: var(--neon-cyan);
}

.checkbox-card input:checked ~ .check-custom {
    background-color: var(--neon-cyan);
    border-color: var(--neon-cyan);
}

.checkbox-card input:checked ~ .check-custom::after {
    content: '';
    position: absolute;
    left: 7px;
    top: 3px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-details {
    display: flex;
    flex-direction: column;
}

.checkbox-details strong {
    font-size: 0.9rem;
    color: var(--thai-blue);
}

.checkbox-details span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.checkbox-card input:checked ~ .checkbox-details strong {
    color: var(--neon-cyan);
}

/* Booking Receipt Sidebar */
.booking-receipt-sidebar {
    position: sticky;
    top: 110px;
}

.receipt-card {
    padding: 32px;
    border-radius: var(--radius-lg);
    background: #FFFFFF;
    border: 1px solid var(--border-glass);
    border-left: 4px solid var(--thai-gold);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-soft);
}

.receipt-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 16px;
    margin-bottom: 20px;
}

.receipt-title {
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.receipt-brand {
    font-size: 0.9rem;
    font-weight: 800;
    color: var(--thai-gold);
}

.receipt-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.receipt-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
}

.receipt-row-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    margin-bottom: 6px;
    color: var(--silver-platinum);
}

.font-bold {
    font-weight: 700;
    color: var(--thai-blue);
}

hr {
    border: 0;
    height: 1px;
    background: var(--border-glass);
    margin: 8px 0;
}

.total-row {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--neon-cyan);
    margin-top: 8px;
}

.eur-conversion {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: right;
    justify-content: flex-end;
    gap: 6px;
}

.text-green { color: var(--success); }

.receipt-footer {
    border-top: 1px dashed var(--border-glass);
    padding-top: 16px;
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.receipt-footer p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.hygiene-badge {
    align-self: flex-start;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid var(--success);
    color: var(--success);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    margin-top: 8px;
}

/* Success Card */
.success-card {
    padding: 40px;
    border-radius: var(--radius-lg);
    border-top: 4px solid var(--success);
    text-align: center;
    background: #FFFFFF;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-glass);
    animation: successFade 0.5s ease forwards;
}

.success-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    animation: bounce 1s infinite alternate;
}

.success-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--success);
}

.success-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.5;
}

/* --------------------------------------------------------------------------
   11. SECTION: HYGIENE & OPERATIONS
   -------------------------------------------------------------------------- */
.hygiene-timeline {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.timeline-step {
    padding: 32px;
    position: relative;
    background: #FFFFFF;
    border: 1px solid var(--border-glass);
    border-top: 3px solid var(--thai-gold);
    box-shadow: var(--shadow-soft);
}

.timeline-step:nth-child(2) {
    border-top-color: var(--thai-red);
}

.timeline-step:nth-child(3) {
    border-top-color: var(--neon-cyan);
}

.step-num {
    font-size: 3rem;
    font-weight: 800;
    color: rgba(27, 37, 66, 0.04);
    position: absolute;
    top: 10px;
    right: 20px;
    pointer-events: none;
}

.timeline-step h3 {
    font-size: 1.25rem;
    margin-bottom: 16px;
    color: var(--thai-blue);
}

.timeline-step p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Open Ear Banner design */
.open-ear-banner {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 40px;
    padding: 48px;
    border-radius: var(--radius-lg);
    align-items: center;
    background: #FFFFFF;
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-soft);
    border-right: 4px solid var(--neon-cyan);
}

.banner-content h3 {
    font-size: 1.8rem;
    margin-bottom: 12px;
    color: var(--neon-cyan);
}

.banner-content > p {
    color: var(--silver-platinum);
    margin-bottom: 24px;
}

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

.benefit-list li {
    font-size: 0.9rem;
    padding-left: 24px;
    position: relative;
    color: var(--silver-platinum);
}

.benefit-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--neon-cyan);
    font-weight: 800;
}

.benefit-list strong {
    color: var(--thai-blue);
}

.hygiene-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
    width: 100%;
}

.hygiene-polaroid {
    cursor: pointer;
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.4s cubic-bezier(0.25, 0.8, 0.25, 1) !important;
}

.hygiene-polaroid:hover {
    box-shadow: 0 25px 55px rgba(0, 0, 0, 0.16), 0 10px 22px rgba(0, 0, 0, 0.07) !important;
}

/* --------------------------------------------------------------------------
   12. SECTION: PRICING & TESTIMONIALS
   -------------------------------------------------------------------------- */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 80px;
    align-items: stretch;
}

.pricing-card {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    background: #FFFFFF;
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-soft);
}

.pricing-card.popular {
    border-color: var(--thai-gold);
    box-shadow: 0 15px 35px rgba(27, 37, 66, 0.08), 0 0 15px rgba(212, 175, 55, 0.15);
}

.popular-ribbon {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--thai-gold);
    color: white;
    font-size: 0.7rem;
    font-weight: 800;
    padding: 4px 10px;
    border-radius: 4px;
    text-transform: uppercase;
}

.plan-header {
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 24px;
    margin-bottom: 24px;
}

.plan-header h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
    color: var(--thai-blue);
}

.plan-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.plan-price {
    display: flex;
    align-items: baseline;
}

.price-val {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--thai-blue);
}

.pricing-card.popular .price-val {
    color: var(--neon-cyan);
}

.price-period {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-left: 8px;
}

.plan-features {
    margin-bottom: 32px;
}

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

.plan-features li {
    font-size: 0.9rem;
    color: var(--silver-platinum);
}

/* Testimonials Carousel Box */
.testimonials-box {
    padding: 48px;
    border-radius: var(--radius-lg);
    background: #FFFFFF;
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-soft);
    border-bottom: 4px solid var(--thai-red);
}

.testimonials-box h3 {
    margin-bottom: 32px;
    color: var(--thai-blue);
}

.testimonial-slider {
    position: relative;
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial-card {
    text-align: center;
    max-width: 700px;
    display: none;
    animation: fadeIn 0.5s ease forwards;
}

.testimonial-card.active {
    display: block;
}

.quote-text {
    font-size: 1.15rem;
    font-style: italic;
    color: var(--thai-blue);
    margin-bottom: 20px;
    line-height: 1.5;
}

.quote-author {
    font-weight: 700;
    color: var(--neon-cyan);
    font-size: 0.95rem;
}

.quote-role {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: block;
    margin-top: 4px;
}

/* --------------------------------------------------------------------------
   13. SECTION: FAQ ACCORDION
   -------------------------------------------------------------------------- */
.faq-container {
    max-width: 800px;
}

.faq-accordion {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 40px;
}

.faq-item {
    border-radius: var(--radius-md);
    overflow: hidden;
    background: #FFFFFF;
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-soft);
}

.faq-question {
    width: 100%;
    background: #FFFFFF;
    padding: 20px 24px;
    border: none;
    color: var(--thai-blue);
    font-size: 1.05rem;
    font-weight: 700;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-smooth);
}

.faq-question::after {
    content: '+';
    font-size: 1.3rem;
    color: var(--neon-cyan);
    transition: var(--transition-smooth);
}

.faq-question:hover {
    background: var(--bg-dark);
}

.faq-item.active .faq-question {
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border-glass);
}

.faq-item.active .faq-question::after {
    content: '−';
    transform: rotate(180deg);
}

.faq-answer {
    background: #FFFFFF;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.faq-answer-inner {
    padding: 20px 24px;
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.faq-answer-inner strong {
    color: var(--thai-blue);
}

/* --------------------------------------------------------------------------
   14. FOOTER & CONTACT
   -------------------------------------------------------------------------- */
.app-footer {
    background: #1B2542; /* Corporate Deep Royal Navy as footer base */
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 80px 0 0 0;
    margin-top: 100px;
}

.app-footer h3, 
.app-footer p, 
.app-footer label,
.app-footer strong {
    color: #FFFFFF;
}

.app-footer .text-muted,
.app-footer p {
    color: #94A3B8;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-contact h3,
.footer-info h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
    border-left: 3px solid var(--thai-red);
    padding-left: 12px;
}

.footer-contact > p {
    font-size: 0.9rem;
    margin-bottom: 24px;
}

/* Footer Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-form label {
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 6px;
    display: block;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: #FFFFFF;
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition-smooth);
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 8px rgba(43, 179, 192, 0.2);
    background: rgba(255, 255, 255, 0.08);
}

.contact-success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid var(--success);
    color: var(--success);
    padding: 12px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    margin-top: 8px;
    animation: fadeIn 0.4s ease forwards;
}

/* Footer Info Card items */
.footer-info {
    display: flex;
    flex-direction: column;
}

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

.info-icon {
    font-size: 1.4rem;
    flex-shrink: 0;
}

.info-item p {
    font-size: 0.9rem;
    line-height: 1.4;
}

.info-item strong {
    display: block;
    margin-bottom: 2px;
}

.trust-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 16px;
}

.trust-badge {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 6px 14px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    color: #E2E8F0;
}

/* Footer bottom */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 24px 0;
    background: #111827;
}

.bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: #94A3B8;
}

.bottom-links {
    display: flex;
    gap: 24px;
}

.bottom-links a {
    color: #94A3B8;
}

.bottom-links a:hover {
    color: var(--neon-cyan);
}

/* --------------------------------------------------------------------------
   15. ANIMATIONS
   -------------------------------------------------------------------------- */
@keyframes sectionFadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes earbudPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.25;
    }
    50% {
        transform: scale(1.08);
        opacity: 0.4;
    }
}

@keyframes rotatingRing {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes blink {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

@keyframes successFade {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes bounce {
    from { transform: translateY(0); }
    to { transform: translateY(-8px); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(2deg); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* --------------------------------------------------------------------------
   16. MEDIA QUERIES (RESPONSIVENESS)
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
    /* Polaroid Stack Responsive Handling to prevent edge clipping on smaller viewports */
    .polaroid-stack {
        max-width: 340px !important;
        height: 430px !important; /* Slightly shorter on mobile */
        margin: 30px auto 0 auto !important;
    }

    .experience-visual-card {
        max-width: 340px !important;
        padding-bottom: 30px !important; /* Slightly tighter bottom padding on mobile */
    }

    .experience-img-container {
        height: 270px !important; /* Scale down photo container height on mobile */
    }

    .floating-brand-badge {
        padding: 6px 14px !important;
        bottom: 12px !important;
        right: 12px !important;
        gap: 6px !important;
    }

    .badge-logo-img {
        height: 32px !important;
    }

    .brand-name-badge {
        font-size: 0.78rem !important;
    }

    .brand-name-badge .thai-word {
        font-size: 0.88rem !important;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-lead {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-highlights {
        justify-content: center;
    }
    
    .simulator-layout {
        grid-template-columns: 1fr;
    }
    
    .booking-layout {
        grid-template-columns: 1fr;
    }
    
    .booking-receipt-sidebar {
        position: static;
        margin-top: 24px;
    }
    
    .hygiene-timeline {
        grid-template-columns: 1fr;
    }
    
    .open-ear-banner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hygiene-visual {
        margin-top: 24px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* Intermediate Scaling for Laptop Screens (Prevents wrapping of large logo and long nav menu) */
@media (min-width: 993px) and (max-width: 1350px) {
    .app-header {
        height: 100px;
        transition: var(--transition-smooth);
    }
    
    .app-header.scrolled {
        height: 80px;
    }
    
    .logo {
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        display: flex;
        flex-direction: column !important; /* Center column at top scroll for laptop */
        align-items: center;
        z-index: 1002;
        gap: 0px !important;
        transition: var(--transition-smooth);
    }
    
    .logo-img, .logo-svg {
        height: 300px !important; /* Slightly smaller massive logo for laptops */
        position: absolute !important;
        top: -60px !important;
        left: 50% !important;
        transform: translateX(-50%) !important;
        opacity: 0.38 !important;
        z-index: -1 !important;
        pointer-events: none !important;
        transition: var(--transition-smooth);
    }
    
    .logo:hover .logo-img {
        transform: translateX(-50%) scale(1.04) rotate(1deg) !important;
    }
    
    .logo-text {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        transition: var(--transition-smooth);
        margin-left: 0;
    }
    
    /* Scrolled laptop state transitions */
    .app-header.scrolled .logo {
        flex-direction: row !important;
        gap: 12px !important;
    }
    
    .app-header.scrolled .logo-img,
    .app-header.scrolled .logo-svg {
        height: 40px !important; /* Slightly smaller compact logo for laptops on scroll */
        position: static !important;
        transform: none !important;
        opacity: 1 !important;
        z-index: 2 !important;
        pointer-events: auto !important;
    }
    
    .app-header.scrolled .logo-text {
        text-align: left;
        align-items: flex-start;
    }
    
    .brand-name {
        font-size: 1.65rem;
        gap: 6px;
    }
    
    .thai-word {
        font-size: 1.80rem;
    }
    
    .brand-sub {
        font-size: 0.76rem;
    }
    
    .nav-menu {
        gap: 12px; /* Extra compact gap on laptops to keep all links visible */
    }
    
    .nav-link {
        font-size: 0.8rem;
    }
    
    .app-section {
        padding: 160px 0 80px 0;
    }
}

/* Tablet & Mobile Layout Breakpoint (Hamburger menu activates below 992px) */
@media (max-width: 992px) {
    .app-header {
        height: 90px; /* Sleek mobile header height */
    }
    
    .logo-text {
        display: flex;
        margin-left: 0; /* Reset margin for mobile row layout */
    }
    
    .logo-img, .logo-svg {
        height: 50px; /* Clean, compact mobile logo */
        position: static;
        top: auto;
        left: auto;
        transform: none;
        opacity: 1;
        filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.03));
    }
    
    .logo {
        position: static;
        transform: none;
        flex-direction: row;
        align-items: center;
        gap: 12px;
        z-index: auto;
    }
    
    .logo-text {
        align-items: flex-start;
        text-align: left;
    }
    
    .brand-name {
        font-size: 1.35rem;
        gap: 4px;
    }
    
    .thai-word {
        font-size: 1.45rem;
    }
    
    .brand-sub {
        font-size: 0.62rem;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
        transform: scale(0);
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .nav-menu {
        position: absolute;
        top: 90px; /* Sits perfectly under the 90px mobile header */
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98); /* Apple pure white background */
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        flex-direction: column;
        gap: 0;
        border-bottom: 1px solid var(--border-glass);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.03);
    }
    
    .nav-menu.open {
        max-height: 450px; /* Large enough to fit all links */
    }
    
    .nav-menu li {
        width: 100%;
        text-align: center;
    }
    
    .nav-link {
        display: block;
        padding: 16px 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.02);
    }
    
    .header-action {
        display: none;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-highlights {
        flex-direction: column;
        gap: 16px;
        align-items: center;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .col-6 {
        width: 100%;
    }
    
    .booking-form {
        padding: 24px;
    }
    
    .pricing-card {
        padding: 24px;
    }
    
    .bottom-container {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}