/* ==========================================================================
   DELIVERBOOKS MARKETING WEBPAGE - ULTRA-PREMIUM BENTO TECH STYLE
   Stripe, Apple, Linear & Vercel Design System
   ========================================================================== */

/* 1. Global Reset & HSL Tokens */
:root {
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-heading: 'Plus Jakarta Sans', sans-serif;

    /* Apple/Stripe Light Palette */
    --clr-bg: #F8FAFC;                     /* Cool White Apple Canvas */
    --clr-bento: rgba(255, 255, 255, 0.6);  /* Premium Glassmorphic Card */
    --clr-bento-highlight: rgba(255, 255, 255, 0.8);
    
    /* Text Color Tokens */
    --clr-text-main: #0F172A;              /* Slate 900 Heading */
    --clr-text-muted: #475569;             /* Slate 600 Body Description */
    --clr-text-dark: #94A3B8;              /* Slate 400 Labels */

    /* Fluid Metallic Gradients */
    --grad-primary: linear-gradient(135deg, #0F172A 20%, #1D4ED8 100%);  /* Sleek Apple-style Slate-to-Cobalt */
    --grad-primary-hover: linear-gradient(135deg, #020617 20%, #1E40AF 100%);
    --grad-bento: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0.3) 100%);

    --clr-teal: #1D4ED8; /* Cobalt Brand Color */
    --clr-gold: #4F46E5; /* Indigo Accents */

    /* Micro Inner Borders */
    --border-micro: 1px solid rgba(15, 23, 42, 0.06);
    --border-micro-bright: 1px solid rgba(15, 23, 42, 0.12);
    
    /* Transition: Cubic-Bezier (Apple Easing Clock) */
    --ease-premium: cubic-bezier(0.16, 1, 0.3, 1);
    --transition-smooth: all 0.6s var(--ease-premium);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    background-color: var(--clr-bg);
}

body {
    font-family: var(--font-sans);
    background-color: #FAFAFA;
    position: relative;
    overflow-x: hidden;
}

/* Dot Matrix disabled for clean minimalist canvas */
.bg-dot-matrix {
    display: none;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--clr-bg);
}
::-webkit-scrollbar-thumb {
    background: #1E293B;
    border-radius: 99px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--clr-teal);
}

/* 2. Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--clr-text-main);
    letter-spacing: -0.05em;
    font-weight: 800;
}

h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    font-weight: 800;
}

h2 {
    font-size: 2.8rem;
    line-height: 1.1;
}

h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 6px;
    letter-spacing: -0.03em;
}

p {
    color: var(--clr-text-muted);
}

/* 3. Header & Navigation */
.header {
    background-color: rgba(248, 250, 252, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: var(--border-micro);
    padding: 22px 0;
    transition: var(--transition-smooth);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    letter-spacing: -0.04em;
    font-size: 1.5rem;
    font-family: var(--font-heading);
}

.logo-icon {
    width: 32px;
    height: 32px;
    filter: drop-shadow(0 2px 10px rgba(20, 184, 166, 0.3));
    display: block;
}

.logo-text-deliver {
    font-weight: 300;
    color: #0F172A;
}

.logo-text-books {
    font-weight: 800;
    color: #1D4ED8;
}

.nav-links {
    display: flex;
    gap: 48px;
}

.nav-links a {
    text-decoration: none;
    color: var(--clr-text-muted);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.nav-links a:hover {
    color: var(--clr-text-main);
}

/* Premium Buttons */
.btn {
    display: inline-block;
    text-decoration: none;
    padding: 14px 30px;
    border-radius: 14px;
    font-weight: 600;
    font-size: 14.5px;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background: var(--grad-primary);
    color: #FFFFFF !important;
    box-shadow: 0 4px 20px rgba(20, 184, 166, 0.15);
}

.btn-primary:hover {
    background: var(--grad-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(20, 184, 166, 0.3);
}

.btn-secondary {
    background-color: rgba(15, 23, 42, 0.03);
    color: var(--clr-text-main);
    border: var(--border-micro);
}

.btn-secondary:hover {
    background-color: rgba(15, 23, 42, 0.06);
    transform: translateY(-2px);
    border-color: rgba(15, 23, 42, 0.1);
}

.btn-nav {
    padding: 8px 18px;
    font-size: 13.5px;
    border-radius: 10px;
}

/* 4. Hero Section */
.hero-section {
    padding: 140px 0 60px 0;
    background: radial-gradient(circle at 50% 30%, rgba(20, 184, 166, 0.07) 0%, transparent 60%), #FAFAFA;
    position: relative;
}

.hero-container {
    max-width: 900px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.hero-section h1 {
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.badge {
    background-color: rgba(29, 78, 216, 0.08);
    color: var(--clr-teal);
    font-size: 11px;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: 999px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border: 1px solid rgba(29, 78, 216, 0.2);
}

.quick-summary {
    font-size: 1.3rem;
    line-height: 1.65;
    color: var(--clr-text-muted);
    font-weight: 400;
}

.quick-summary strong {
    color: var(--clr-text-main);
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-top: 8px;
}

/* 5. Bento Board Grid Section */
.section {
    padding: 90px 0;
}

.bento-section {
    background: 
        radial-gradient(circle at 50% 70%, rgba(79, 70, 229, 0.05) 0%, transparent 55%),
        #FAFAFA;
    position: relative;
}

/* Background Crystal Chips Watermarks */
.bento-bg-watermark {
    position: absolute;
    width: 650px;
    height: 650px;
    opacity: 0.18; /* Crisp and visible but subtle behind the glass cards */
    pointer-events: none;
    z-index: 0;
    background-size: cover;
    background-repeat: no-repeat;
    /* Soft circular mask to fade boundaries organically */
    mask-image: radial-gradient(circle, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(circle, black 30%, transparent 70%);
    filter: saturate(110%) contrast(105%) brightness(1.02);
}

.bento-bg-watermark.left {
    top: 5%;
    left: -100px;
    background-image: url('assets/chip_dashboard_1.jpg');
}

.bento-bg-watermark.right {
    bottom: 5%;
    right: -100px;
    background-image: url('assets/chip_dashboard_2.jpg');
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 80px auto;
}

.section-header h2 {
    font-size: 2.8rem;
    letter-spacing: -0.05em;
    line-height: 1.1;
}

.bg-glow {
    position: absolute;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.22) 0%, rgba(167, 139, 250, 0.08) 50%, transparent 70%);
    filter: blur(120px);
    z-index: 0;
    pointer-events: none;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
}

.bento-card {
    /* 磨砂玻璃基底：半透明白，透出背景的微弱光暈 */
    background: rgba(255, 255, 255, 0.35) !important;
    
    /* 核心靈魂：強力毛玻璃霧化，做出 PetKit 硬件外殼的半透明塑料/玻璃深度 */
    backdrop-filter: blur(35px) saturate(210%) contrast(98%);
    -webkit-backdrop-filter: blur(35px) saturate(210%) contrast(98%);
    
    border-radius: 24px;
    
    /* 水晶邊框：上邊緣和左邊緣用純白模擬高光折射，下邊緣用微弱灰色做邊界 */
    border: 1px solid rgba(226, 232, 240, 0.9) !important;
    border-top: 1px solid rgba(255, 255, 255, 0.95) !important;
    border-left: 1px solid rgba(255, 255, 255, 0.95) !important;
    
    padding: 40px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    
    /* 奢華、柔和的環境陰影，消除黑色生硬感，改用帶藍灰色的柔和散射環境光 */
    box-shadow: 
        0 8px 32px -4px rgba(148, 163, 184, 0.2),
        0 20px 60px -10px rgba(148, 163, 184, 0.15),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.95);
        
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1;
}

.bento-card:hover {
    transform: translateY(-6px);
    background: rgba(255, 255, 255, 0.5) !important;
    border-color: rgba(255, 255, 255, 0.95) !important;
    box-shadow: 
        0 20px 48px -8px rgba(148, 163, 184, 0.3),
        0 4px 12px 0 rgba(148, 163, 184, 0.1),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.95);
}

/* Column spans */
.col-span-1 {
    grid-column: span 1;
}

.col-span-2 {
    grid-column: span 2;
}

.col-span-3 {
    grid-column: span 3;
}

.bento-card-header {
    margin-bottom: 24px;
    position: relative;
    z-index: 2;
}

.card-icon {
    font-size: 2.2rem;
    margin-bottom: 16px;
    display: block;
}

.bento-card-header p {
    font-size: 14.5px;
    color: var(--clr-text-muted);
    margin-top: 6px;
}

/* 6. Mouse Hover Glow Orb Effect (Daylight Aura Tracker) */
.card-glow {
    display: none;
}

.bento-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(
        800px circle at var(--glow-x) var(--glow-y),
        rgba(56, 189, 248, 0.12), /* Luminous Sky Blue */
        rgba(167, 139, 250, 0.08), /* Luminous Violet */
        transparent 45%
    ) !important;
    z-index: 1;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

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

/* 7. Code-Driven Mock Visuals */

/* 內嵌卡片（Console Mockups）的「冷色懸浮」優化 */
.mock-dashboard-visual, .mock-whatsapp-container, .mock-recon-visual, .mock-table-container, .timeline-step {
    border: 1px solid rgba(15, 23, 42, 0.08) !important;
    box-shadow: 0 20px 40px -15px rgba(15, 23, 42, 0.15) !important;
}

/* Ensure all text inside dark mock visual consoles remains readable in light theme */
.mock-dashboard-visual, 
.mock-whatsapp-container, 
.mock-recon-visual, 
.mock-table-container {
    color: #E2E8F0 !important;
}

.mock-stat-box .val {
    color: #FFFFFF !important;
}

.whatsapp-bubble.user {
    color: #E2E8F0 !important;
    background-color: rgba(255, 255, 255, 0.05) !important;
}

.whatsapp-bubble.agent {
    color: #FFFFFF !important;
    background-color: rgba(13, 148, 136, 0.12) !important;
}

.recon-node {
    color: #E2E8F0 !important;
    background-color: rgba(255, 255, 255, 0.03) !important;
}

.recon-node.text-teal {
    color: #2DD4BF !important; /* Lighter teal on dark backdrop */
}

.recon-node.text-gold {
    color: #FBBF24 !important; /* Lighter gold on dark backdrop */
}

.mock-table td {
    color: #94A3B8 !important;
}

.mock-table td:first-child {
    color: #FFFFFF !important;
}

.mock-table th {
    color: #64748B !important;
}

/* Mock Dashboard Console */
.mock-dashboard-visual {
    background-color: #06080E;
    border-radius: 16px;
    border: var(--border-micro-bright);
    margin-top: 24px;
    overflow: hidden;
    position: relative;
    z-index: 2;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.mock-dash-header {
    background-color: rgba(255,255,255,0.02);
    padding: 10px 16px;
    border-bottom: var(--border-micro);
    display: flex;
    align-items: center;
    gap: 8px;
}

.mock-dash-header .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.mock-dash-header .dot.red { background-color: #EF4444; }
.mock-dash-header .dot.yellow { background-color: #F59E0B; }
.mock-dash-header .dot.green { background-color: #10B981; }

.dash-title {
    font-size: 11px;
    font-family: var(--font-sans);
    color: var(--clr-text-dark);
    font-weight: 600;
    margin-left: auto;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.mock-dash-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mock-stats-row {
    display: flex;
    gap: 16px;
}

.mock-stat-box {
    flex: 1;
    background-color: rgba(255,255,255,0.01);
    border: var(--border-micro);
    padding: 12px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mock-stat-box .lbl {
    font-size: 9px;
    font-weight: 700;
    color: var(--clr-text-dark);
    letter-spacing: 0.05em;
}

.mock-stat-box .val {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--clr-text-main);
}

.mock-stat-box .status-glow {
    color: var(--clr-teal);
    text-shadow: 0 0 10px rgba(20, 184, 166, 0.4);
}

.mock-chart-container {
    height: 120px;
    background-color: rgba(255,255,255,0.01);
    border-radius: 8px;
    border: var(--border-micro);
    overflow: hidden;
}

.svg-chart {
    width: 100%;
    height: 100%;
}

/* Mock WhatsApp chat */
.mock-whatsapp-container {
    display: flex;
    flex-direction: column;
    gap: 14px;
    background-color: #080C14;
    border: var(--border-micro);
    border-radius: 16px;
    padding: 20px;
    margin-top: auto;
    position: relative;
    z-index: 2;
}

.whatsapp-bubble {
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 13px;
    max-width: 85%;
    display: flex;
    flex-direction: column;
    gap: 4px;
    line-height: 1.45;
}

.whatsapp-bubble.user {
    background-color: rgba(255,255,255,0.02);
    border: var(--border-micro);
    color: var(--clr-text-main);
    align-self: flex-start;
    border-bottom-left-radius: 2px;
}

.whatsapp-bubble.agent {
    background-color: rgba(20, 184, 166, 0.08);
    border: 1px solid rgba(20, 184, 166, 0.15);
    color: var(--clr-text-main);
    align-self: flex-end;
    border-bottom-right-radius: 2px;
}

.whatsapp-bubble .status-badge {
    font-size: 8px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--clr-teal);
    letter-spacing: 0.05em;
}

.whatsapp-bubble .time {
    font-size: 9px;
    color: var(--clr-text-dark);
    align-self: flex-end;
}

/* Mock Reconciliation visual */
.mock-recon-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    background-color: #080C14;
    border: var(--border-micro);
    border-radius: 16px;
    padding: 20px;
    margin-top: auto;
    position: relative;
    z-index: 2;
}

.recon-node {
    font-size: 12.5px;
    font-weight: 700;
    padding: 8px 16px;
    border-radius: 8px;
    background-color: rgba(255,255,255,0.01);
    border: var(--border-micro);
    width: 100%;
    text-align: center;
}

.recon-node.text-teal { color: var(--clr-teal); border-color: rgba(20, 184, 166, 0.2); }
.recon-node.text-gold { color: var(--clr-gold); border-color: rgba(245, 158, 11, 0.2); }
.recon-node.text-slate { color: var(--clr-text-muted); }

.recon-link {
    font-size: 9px;
    color: var(--clr-text-dark);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Mock Data Table */
.mock-table-container {
    background-color: #06080E;
    border-radius: 16px;
    border: var(--border-micro-bright);
    overflow: hidden;
    z-index: 2;
    position: relative;
    margin-top: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.mock-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    text-align: left;
}

.mock-table th, .mock-table td {
    padding: 14px 20px;
    border-bottom: var(--border-micro);
}

.mock-table th {
    background-color: rgba(255,255,255,0.01);
    color: var(--clr-text-dark);
    font-weight: 700;
    font-size: 10px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.mock-table td {
    color: var(--clr-text-muted);
}

.mock-table td:first-child {
    font-weight: 600;
    color: var(--clr-text-main);
}

.badge-status {
    font-size: 9px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 6px;
    text-transform: uppercase;
}

.badge-status.review {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--clr-gold);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-status.postable {
    background-color: rgba(20, 184, 166, 0.1);
    color: var(--clr-teal);
    border: 1px solid rgba(20, 184, 166, 0.2);
}

.badge-status.duplicate {
    background-color: rgba(239, 68, 68, 0.1);
    color: #EF4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Mock Compliance Timeline */
.mock-timeline-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: auto;
    position: relative;
    z-index: 2;
}

.timeline-step {
    display: flex;
    align-items: center;
    gap: 16px;
    background-color: rgba(255,255,255,0.01);
    border: var(--border-micro);
    padding: 14px 20px;
    border-radius: 12px;
}

.timeline-step .num {
    font-size: 13.5px;
    font-weight: 800;
    color: var(--clr-teal);
    text-shadow: 0 0 10px rgba(20, 184, 166, 0.3);
}

.timeline-step .desc {
    font-size: 12.5px;
    color: var(--clr-text-muted);
}

/* Bento Header separators */
.bento-full-header {
    padding: 60px 0 20px 0;
    grid-column: span 3;
    text-align: left;
}

.bento-full-header h2 {
    font-size: 2rem;
    font-weight: 800;
}

/* 8. Pricing Bento Boxes */
.pricing-box {
    padding: 48px;
}

.pricing-box.highlighted {
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.08) 0%, rgba(255, 255, 255, 0.8) 100%);
    border: var(--border-micro-bright);
}

.bento-card-badge {
    position: absolute;
    top: 24px;
    right: 24px;
    background: var(--grad-primary);
    color: var(--clr-text-main);
    font-size: 9px;
    font-weight: 800;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: 999px;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 10px rgba(20, 184, 166, 0.2);
}

.bento-price {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--clr-text-main);
    line-height: 1;
    margin: 16px 0;
}

.bento-price span {
    font-size: 1rem;
    color: var(--clr-text-muted);
    font-weight: 500;
}

.bento-features-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 20px 0 32px 0;
}

.bento-features-list li {
    font-size: 13.5px;
    color: var(--clr-text-muted);
}

.bento-btn {
    width: 100%;
    margin-top: auto;
}

/* Premium upsell label */
.premium-label {
    font-size: 9px;
    font-weight: 700;
    color: var(--clr-gold);
    background-color: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.15);
    padding: 4px 10px;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    width: fit-content;
    display: block;
    margin-bottom: 16px;
}

/* 9. FAQ Accordion inside Bento */
.faq-accordion-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 14px;
    position: relative;
    z-index: 2;
}

.faq-item {
    background-color: rgba(255,255,255,0.01);
    border-radius: 14px;
    border: var(--border-micro);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.faq-item:hover {
    border-color: rgba(255, 255, 255, 0.06);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: 20px 24px;
    font-size: 14.5px;
    font-weight: 600;
    color: var(--clr-text-main);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    outline: none;
}

.faq-question::after {
    content: '+';
    font-size: 20px;
    color: var(--clr-teal);
    transition: var(--transition-smooth);
}

.faq-item.active .faq-question::after {
    content: '−';
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s var(--ease-premium), padding 0.4s var(--ease-premium);
    padding: 0 24px;
}

.faq-item.active .faq-answer {
    max-height: 240px;
    padding: 0 24px 20px 24px;
}

.faq-answer p {
    font-size: 13.5px;
    line-height: 1.6;
    color: var(--clr-text-muted);
}

/* 10. Footer */
.footer {
    background-color: #F1F5F9;
    padding: 64px 0;
    color: var(--clr-text-dark);
    border-top: var(--border-micro);
    margin-top: 140px;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
    font-size: 13.5px;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: var(--clr-text-dark);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-links a:hover {
    color: var(--clr-text-main);
}

/* 11. Chatbot Widget (100% Intact layout) */
.chatbot-widget {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 1000;
    font-family: var(--font-sans);
}

.chat-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--grad-primary);
    color: #FFFFFF !important;
    font-size: 26px;
    border: none;
    box-shadow: 0 10px 30px rgba(15, 118, 110, 0.3);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition-smooth);
}

.chat-toggle:hover {
    transform: scale(1.08);
}

.chat-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 400px;
    height: 520px;
    background-color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(148, 163, 184, 0.15);
    display: flex;
    flex-direction: column;
    border: var(--border-micro-bright);
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(20px);
    transition: opacity 0.5s var(--ease-premium), transform 0.5s var(--ease-premium);
}

.chat-window.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.chat-header {
    background-color: rgba(255, 255, 255, 0.4);
    border-bottom: var(--border-micro);
    color: var(--clr-text-main);
    padding: 18px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header h4 {
    font-size: 14px;
    margin: 0;
}

.chat-close {
    background: none;
    border: none;
    color: var(--clr-text-muted);
    font-size: 24px;
    cursor: pointer;
}

.chat-messages {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.message {
    max-width: 85%;
    padding: 14px 18px;
    border-radius: 16px;
    font-size: 13.5px;
    line-height: 1.5;
    box-shadow: 0 2px 10px rgba(148, 163, 184, 0.05);
}

.assistant-message {
    background-color: rgba(15, 23, 42, 0.03);
    border: var(--border-micro);
    color: var(--clr-text-main);
    align-self: flex-start;
    border-bottom-left-radius: 2px;
}

.user-message {
    background-color: var(--clr-teal);
    color: #FFFFFF;
    align-self: flex-end;
    border-bottom-right-radius: 2px;
}

.chat-input-area {
    border-top: var(--border-micro);
    padding: 16px 24px;
    display: flex;
    gap: 12px;
    background-color: rgba(255, 255, 255, 0.3);
}

.chat-input-area input {
    flex: 1;
    background-color: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 10px;
    padding: 10px 16px;
    font-size: 13.5px;
    color: var(--clr-text-main);
    font-family: var(--font-sans);
    outline: none;
    transition: var(--transition-smooth);
}

.chat-input-area input:focus {
    border-color: var(--clr-teal);
    background-color: rgba(255, 255, 255, 0.8);
}

.chat-input-area button {
    background: var(--grad-primary);
    color: var(--clr-text-main);
    border: none;
    border-radius: 10px;
    padding: 10px 20px;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
}

/* 12. Intersection Scroll-driven micro-animations */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1.2s var(--ease-premium), transform 1.2s var(--ease-premium);
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* 13. Photo Card Visual Assets */
.photo-card {
    padding: 0 !important;
    position: relative;
    height: 320px;
    border: var(--border-micro);
    overflow: hidden;
}

.photo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s var(--ease-premium);
}

.photo-card:hover .photo-img {
    transform: scale(1.04);
}

.photo-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(13, 17, 28, 0) 40%, rgba(13, 17, 28, 0.85) 100%);
    z-index: 2;
    pointer-events: none;
}

/* 14. Responsive Overrides */
@media (max-width: 1024px) {
    h1 {
        font-size: 3.4rem;
    }
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .col-span-2, .col-span-3 {
        grid-column: span 2;
    }
    .bento-full-header {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.6rem;
    }
    .section {
        padding: 100px 0;
    }
    .bento-grid {
        grid-template-columns: 1fr;
    }
    .col-span-1, .col-span-2, .col-span-3 {
        grid-column: span 1;
    }
    .bento-full-header {
        grid-column: span 1;
    }
    .nav-links {
        display: none;
    }
    .chatbot-widget {
        bottom: 16px;
        right: 16px;
    }
    .chat-window {
        width: 320px;
        height: 440px;
    }
}

/* ==========================================================================
   TRANSLUCENT MARQUEE SHORTCUT TICKER (PROMINENT & TIGHT SPACING)
   ========================================================================== */
.marquee-wrapper {
    width: 100%;
    overflow: hidden;
    margin-top: 32px;
    position: relative;
    padding: 6px 0;
    mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}

.marquee-track {
    display: flex;
    gap: 18px;
    width: max-content;
    animation: marquee-scroll 28s linear infinite;
}

.marquee-track:hover {
    animation-play-state: paused;
}

.marquee-item {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 13px 26px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1.5px solid rgba(15, 23, 42, 0.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.04);
    color: #0F172A;
    font-size: 15.5px;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.marquee-item:hover {
    background: #FFFFFF;
    border-color: rgba(29, 78, 216, 0.4);
    color: #1D4ED8;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(29, 78, 216, 0.15);
}

.marquee-item .icon {
    font-size: 19px;
}

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

@media (max-width: 768px) {
    .hero-section {
        padding: 110px 0 40px 0;
    }
    .marquee-wrapper {
        margin-top: 24px;
    }
    .marquee-item {
        padding: 10px 18px;
        font-size: 13.5px;
        gap: 6px;
    }
    .marquee-item .icon {
        font-size: 16px;
    }
}