/* ==========================================================================
   SynKaro Custom Stylesheet - Bright Premium SaaS Theme
   ========================================================================== */

/* Design Tokens & Variables */
:root {
    --bg-primary: #F8FAFF;
    --bg-card: #FFFFFF;
    --color-primary: #2563EB;
    --color-primary-rgb: 37, 99, 235;
    --color-primary-hover: #1D4ED8;
    --color-secondary: #7C3AED;
    --color-secondary-rgb: 124, 58, 237;
    --color-secondary-hover: #6D28D9;
    --color-success: #059669;
    --color-success-bg: #D1FAE5;
    --color-amber: #D97706;
    --color-amber-bg: #FEF3C7;
    --text-primary: #0F172A;
    --text-secondary: #64748B;
    --border-color: #E2E8F0;
    --border-focus: #3B82F6;
    --shadow-sm: 0 2px 8px rgba(37, 99, 235, 0.03);
    --shadow-md: 0 4px 20px rgba(37, 99, 235, 0.05);
    --shadow-lg: 0 10px 30px rgba(37, 99, 235, 0.08);
    --shadow-3d: 0 20px 40px rgba(15, 23, 42, 0.12), 0 1px 3px rgba(15, 23, 42, 0.05);

    /* Typography */
    --font-title: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'DM Mono', monospace;

    /* Animation Speeds */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;
}

/* Base resets & styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Grid & Layout Containers */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 100px 0;
}

/* Button UI Components */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
    border: none;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), #3b82f6);
    color: #FFFFFF;
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-hover), var(--color-primary));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}

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

/* Typography Scales */
h1,
h2,
h3,
h4 {
    font-family: var(--font-title);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.25;
    letter-spacing: -0.02em;
}

.mono-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--color-primary);
    background-color: rgba(37, 99, 235, 0.08);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
    text-transform: uppercase;
}

/* Header & Navigation */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(248, 250, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
    transition: var(--transition-normal);
}

.main-header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
    border-bottom-color: var(--border-color);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-logo {
    display: block;
    max-height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-list {
    list-style: none;
    display: flex;
    gap: 32px;
}

.nav-item {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
    text-decoration: none;
    position: relative;
    padding: 8px 0;
    transition: var(--transition-fast);
}

.nav-item:hover,
.nav-item.active {
    color: var(--color-primary);
}

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

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Mobile Menu Toggle button */
.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
    z-index: 1001;
}

.menu-toggle .bar {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-normal);
}

.menu-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle.active .bar:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Section Common Headers */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-title {
    font-size: 2.25rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* 1. Hero Section */
.hero-section {
    padding-top: 160px;
    padding-bottom: 100px;
    background: radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.04) 0%, transparent 60%);
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 580px;
}

.hero-title {
    font-size: 3rem;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
}

.store-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.store-btn {
    display: inline-flex;
    align-items: center;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 10px 20px;
    text-decoration: none;
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.store-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.btn-icon {
    width: 24px;
    height: 24px;
    margin-right: 12px;
    color: var(--text-primary);
}

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

.store-sub {
    font-size: 0.65rem;
    text-transform: uppercase;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    line-height: 1.2;
}

.store-main {
    font-size: 0.95rem;
    font-weight: 700;
    font-family: var(--font-title);
}

/* 3D Mobile Mockup styles */
.hero-mockup-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    width: 100%;
}

.hero-image-container {
    position: relative;
    width: 280px;
    height: auto;
    margin: 0 auto;
}

.hero-screenshot {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    /* box-shadow: var(--shadow-lg); */
    transition: var(--transition-slow);
}

.hero-screenshot:hover {
    transform: translateY(-8px) scale(1.02);
    /* box-shadow: 0 20px 40px rgba(37, 99, 235, 0.12); */
}

/* Floating UI elements */
.floating-ui {
    position: absolute;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.08);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 20;
    pointer-events: none;
    transform-style: preserve-3d;
}

.floating-ui.card-saved {
    top: 70px;
    left: -80px;
}

.floating-ui.scanner-online {
    bottom: 120px;
    right: -70px;
}

.floating-ui.event-pill {
    top: 250px;
    right: -80px;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 10px 14px;
}

.ui-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ui-icon.success {
    background-color: var(--color-success-bg);
    color: var(--color-success);
}

.ui-icon.primary {
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--color-primary);
}

.ui-content {
    display: flex;
    flex-direction: column;
}

.ui-title {
    font-family: var(--font-title);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
}

.ui-subtitle {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.ui-pill-badge {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--color-amber);
    background-color: var(--color-amber-bg);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.ui-pill-title {
    font-family: var(--font-title);
    font-size: 0.8rem;
    font-weight: 700;
}

/* Animations for Floating Elements */
@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-12px);
    }

    100% {
        transform: translateY(0px);
    }
}

.animate-float-slow {
    animation: float 6s ease-in-out infinite;
}

.animate-float-medium {
    animation: float 4.5s ease-in-out infinite 0.7s;
}

.animate-float-fast {
    animation: float 3.5s ease-in-out infinite 1.2s;
}

/* 2. About Section */
.about-section {
    background-color: #FFFFFF;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 40px;
}

.about-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: var(--transition-normal);
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: rgba(37, 99, 235, 0.2);
}

.about-icon-wrapper {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.about-icon-wrapper.purple {
    background-color: rgba(124, 58, 237, 0.1);
    color: var(--color-secondary);
}

.about-icon-wrapper.blue {
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--color-primary);
}

.about-icon-wrapper.green {
    background-color: var(--color-success-bg);
    color: var(--color-success);
}

.about-card h3 {
    font-size: 1.35rem;
    margin-bottom: 16px;
}

.about-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 3. Key Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.feature-card {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(37, 99, 235, 0.15);
}

.feature-accent {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 4px;
}

.feature-accent.border-blue {
    background-color: var(--color-primary);
}

.feature-accent.border-green {
    background-color: var(--color-success);
}

.feature-accent.border-amber {
    background-color: var(--color-amber);
}

.feature-accent.border-purple {
    background-color: var(--color-secondary);
}

.feature-body {
    padding: 40px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon.blue {
    background-color: rgba(37, 99, 235, 0.08);
    color: var(--color-primary);
}

.feature-icon.green {
    background-color: var(--color-success-bg);
    color: var(--color-success);
}

.feature-icon.amber {
    background-color: var(--color-amber-bg);
    color: var(--color-amber);
}

.feature-icon.purple {
    background-color: rgba(124, 58, 237, 0.08);
    color: var(--color-secondary);
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 24px;
    line-height: 1.6;
}

.feature-pill {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.feature-pill.pill-blue {
    background-color: rgba(37, 99, 235, 0.08);
    color: var(--color-primary);
}

.feature-pill.pill-green {
    background-color: var(--color-success-bg);
    color: var(--color-success);
}

.feature-pill.pill-amber {
    background-color: var(--color-amber-bg);
    color: var(--color-amber);
}

.feature-pill.pill-purple {
    background-color: rgba(124, 58, 237, 0.08);
    color: var(--color-secondary);
}

.full-width-feature {
    grid-column: span 2;
}

.full-width-feature .feature-body {
    flex-direction: row;
    align-items: center;
    gap: 32px;
    padding: 32px 40px;
}

.full-width-feature .feature-icon {
    margin-bottom: 0;
    flex-shrink: 0;
}

.full-width-text {
    flex-grow: 1;
}

.full-width-text p {
    margin-bottom: 0;
}

/* 4. How It Works Section */
.how-it-works-section {
    background-color: #FFFFFF;
}

.timeline-container {
    position: relative;
    max-width: 900px;
    margin: 40px auto 0;
    padding-left: 60px;
}

.timeline-line {
    position: absolute;
    top: 10px;
    bottom: 10px;
    left: 20px;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary) 0%, var(--color-secondary) 100%);
}

.timeline-step {
    position: relative;
    margin-bottom: 60px;
}

.timeline-step:last-child {
    margin-bottom: 0;
}

.step-number-box {
    position: absolute;
    left: -60px;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background-color: #FFFFFF;
    border: 2px solid var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.timeline-step:nth-child(2) .step-number-box {
    border-color: #5b56eb;
}

.timeline-step:nth-child(3) .step-number-box {
    border-color: #6c4ded;
}

.timeline-step:nth-child(4) .step-number-box {
    border-color: var(--color-secondary);
}

.step-num {
    font-family: var(--font-title);
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--text-primary);
}

.timeline-step:hover .step-number-box {
    transform: scale(1.15);
    background-color: var(--color-primary);
}

.timeline-step:hover .step-number-box .step-num {
    color: #FFFFFF;
}

.timeline-step:nth-child(2):hover .step-number-box {
    background-color: #5b56eb;
}

.timeline-step:nth-child(3):hover .step-number-box {
    background-color: #6c4ded;
}

.timeline-step:nth-child(4):hover .step-number-box {
    background-color: var(--color-secondary);
}

.step-content {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 30px 40px;
}

.step-content h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.step-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* 5. Benefits Section */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.benefit-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.benefit-item:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(37, 99, 235, 0.1);
}

.benefit-head {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.benefit-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background-color: rgba(37, 99, 235, 0.06);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.benefit-item:nth-child(even) .benefit-icon {
    background-color: rgba(124, 58, 237, 0.06);
    color: var(--color-secondary);
}

.benefit-head h3 {
    font-size: 1.25rem;
}

.benefit-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0;
    line-height: 1.6;
}

/* 6. App Screenshots Showcase Section */
.screenshots-section {
    background-color: #FFFFFF;
    overflow: hidden;
}

.carousel-container {
    position: relative;
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px;
}

.carousel-slider {
    position: relative;
    width: 100%;
    min-height: 480px;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transform: translateX(50px);
    transition: opacity var(--transition-slow), transform var(--transition-slow), visibility var(--transition-slow);
    z-index: 1;
}

.carousel-slide.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
    position: relative;
    z-index: 2;
}

.slide-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: center;
}

.slide-mockup {
    display: flex;
    justify-content: center;
}

.carousel-screenshot {
    display: block;
    width: 220px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.carousel-screenshot:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-lg);
}

.slide-info {
    max-width: 480px;
}

.slide-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-secondary);
    margin-bottom: 12px;
}

.slide-info h3 {
    font-size: 1.85rem;
    margin-bottom: 16px;
}

.slide-info p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.slide-list {
    list-style: none;
}

.slide-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 12px;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.slide-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    width: 16px;
    height: 12px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232563EB' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
}

.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    margin-top: 50px;
}

.carousel-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-normal);
}

.carousel-btn:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #FFFFFF;
}

.carousel-dots {
    display: flex;
    gap: 8px;
}

.carousel-dots .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--border-color);
    cursor: pointer;
    transition: var(--transition-normal);
}

.carousel-dots .dot.active {
    width: 24px;
    border-radius: 4px;
    background-color: var(--color-primary);
}

/* 7. Download CTA & QR Code */
.download-card-wrapper {
    background: linear-gradient(135deg, #2563eb 0%, #1e4ed8 50%, #7c3aed 100%);
    border-radius: 24px;
    padding: 60px 80px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
    box-shadow: var(--shadow-lg);
    color: #FFFFFF;
}

.download-content h2 {
    color: #FFFFFF;
    font-size: 2.25rem;
    margin-bottom: 16px;
    line-height: 1.2;
}

.download-content p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.05rem;
    line-height: 1.6;
}

.store-btn.dark-style {
    background-color: #0F172A;
    border-color: #1E293B;
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
}

.store-btn.dark-style:hover {
    background-color: #1E293B;
    border-color: #334155;
}

.store-btn.dark-style .btn-icon {
    color: #FFFFFF;
}

.store-btn.dark-style .store-sub {
    color: rgba(255, 255, 255, 0.6);
}

.margin-top-md {
    margin-top: 32px;
}

.download-qr-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    padding: 30px;
    justify-self: center;
    width: 100%;
    max-width: 240px;
}

.qr-code-container {
    background-color: #FFFFFF;
    padding: 16px;
    border-radius: var(--radius-md);
    width: 100%;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0F172A;
}

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

.qr-caption {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    margin-top: 16px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* 8. FAQ Accordion Section */
.faq-section {
    background-color: #FFFFFF;
}

.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
    padding: 8px 0;
}

.faq-item:first-child {
    border-top: 1px solid var(--border-color);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-title);
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--text-primary);
    cursor: pointer;
    text-align: left;
    outline: none;
}

.faq-question span {
    padding-right: 24px;
}

.faq-icon-indicator {
    position: relative;
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.faq-icon-indicator::before,
.faq-icon-indicator::after {
    content: '';
    position: absolute;
    background-color: var(--text-primary);
    transition: var(--transition-normal);
}

/* Horizontal line */
.faq-icon-indicator::before {
    top: 9px;
    left: 2px;
    width: 16px;
    height: 2px;
}

/* Vertical line */
.faq-icon-indicator::after {
    top: 2px;
    left: 9px;
    width: 2px;
    height: 16px;
}

.faq-question[aria-expanded="true"] .faq-icon-indicator::after {
    transform: rotate(90deg);
    opacity: 0;
}

.faq-question[aria-expanded="true"] .faq-icon-indicator::before {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal), padding var(--transition-normal);
    padding-bottom: 0;
}

.faq-answer p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.faq-question[aria-expanded="true"]+.faq-answer {
    padding-bottom: 24px;
}

/* 9. Contact / Support Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 50px;
    align-items: start;
    margin-bottom: 50px;
}

.contact-card-form {
    background-color: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

.contact-card-form h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
}

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

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

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.required {
    color: #DC2626;
}

.form-group input,
.form-group select,
.form-group textarea {
    font-family: var(--font-body);
    font-size: 0.95rem;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    border: 1.5px solid var(--border-color);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    outline: none;
    transition: var(--transition-normal);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #94A3B8;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--border-focus);
    background-color: #FFFFFF;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-group.invalid input,
.form-group.invalid select,
.form-group.invalid textarea {
    border-color: #DC2626;
    background-color: #FEF2F2;
}

.error-message {
    color: #DC2626;
    font-size: 0.75rem;
    margin-top: 4px;
    display: none;
}

.form-group.invalid .error-message {
    display: block;
}

.btn-submit {
    width: 100%;
    height: 48px;
    position: relative;
}

.spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #FFFFFF;
    animation: spin 0.8s linear infinite;
    position: absolute;
}

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

.form-feedback {
    display: none;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border-radius: var(--radius-md);
    margin-top: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.form-feedback.success {
    background-color: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid rgba(5, 150, 105, 0.2);
}

.contact-details-box {
    height: 100%;
}

.details-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    height: 100%;
}

.details-card h3 {
    font-size: 1.5rem;
    margin-bottom: 28px;
}

.detail-item {
    display: flex;
    gap: 18px;
    margin-bottom: 24px;
}

.detail-item:last-child {
    margin-bottom: 0;
}

.detail-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background-color: #FFFFFF;
    border: 1px solid var(--border-color);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.detail-text strong {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.detail-text p,
.detail-text a {
    color: var(--text-primary);
    font-size: 1rem;
    text-decoration: none;
    line-height: 1.5;
}

.detail-text a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.map-container-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.location-map {
    display: block;
    filter: grayscale(0.15) contrast(1.05);
}

/* 10. Footer Section */
.main-footer {
    background-color: var(--text-primary);
    color: #94A3B8;
    padding: 80px 0 40px;
    border-top: 1px solid #1E293B;
}

.footer-container {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.footer-brand-info {
    max-width: 380px;
}

.footer-logo {
    display: block;
    max-height: 38px;
    width: auto;
    object-fit: contain;
    margin-bottom: 24px;
    filter: brightness(0) invert(1);
    /* Invert colors for dark background */
}

.footer-tagline {
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-links-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-col h4 {
    color: #FFFFFF;
    font-size: 0.9rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 24px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: #94A3B8;
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.footer-col ul li a:hover {
    color: #FFFFFF;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #1E293B;
    padding-top: 40px;
    flex-wrap: wrap;
    gap: 24px;
}

.copyright-text {
    font-size: 0.8rem;
    line-height: 1.5;
    max-width: 680px;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-icon {
    width: 20px;
    height: 20px;
    color: #94A3B8;
    transition: var(--transition-fast);
}

.social-icon:hover {
    color: #FFFFFF;
    transform: translateY(-2px);
}

/* ==========================================================================
   Interactive Scroll triggered Fade Animations
   ========================================================================== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */

/* Tablet landscape / Netbooks */
@media (max-width: 1024px) {
    section {
        padding: 80px 0;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .full-width-feature {
        grid-column: span 1;
    }

    .full-width-feature .feature-body {
        flex-direction: column;
        align-items: flex-start;
        gap: 24px;
        padding: 40px;
    }

    .full-width-feature .feature-icon {
        margin-bottom: 0;
    }

    .download-card-wrapper {
        grid-template-columns: 1fr;
        padding: 50px;
        gap: 40px;
    }

    .download-qr-box {
        justify-self: start;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* Small tablets / Mobile Portrait */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background-color: #FFFFFF;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.05);
        padding: 24px;
        border-top: 1px solid var(--border-color);
        transform: translateY(-110%);
        opacity: 0;
        visibility: hidden;
        transition: transform var(--transition-normal), opacity var(--transition-normal);
        z-index: 999;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-list {
        flex-direction: column;
        gap: 20px;
    }

    .nav-item::after {
        display: none;
    }

    .header-actions .nav-cta {
        display: none;
        /* Hide download button inside header actions on small mobile, keep toggle only */
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero-content {
        max-width: 100%;
        text-align: center;
    }

    .store-buttons {
        justify-content: center;
    }

    .hero-mockup-wrapper {
        order: 2;
        /* Move mockup below description on mobile */
    }

    .hero-image-container {
        width: 240px;
    }

    .floating-ui.card-saved {
        left: -40px;
        top: 50px;
    }

    .floating-ui.scanner-online {
        right: -30px;
        bottom: 80px;
    }

    .floating-ui.event-pill {
        right: -40px;
        top: 220px;
    }

    .timeline-container {
        padding-left: 45px;
    }

    .timeline-line {
        left: 15px;
    }

    .step-number-box {
        left: -45px;
        width: 32px;
        height: 32px;
    }

    .step-content {
        padding: 24px 30px;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .slide-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .carousel-slider {
        min-height: 680px;
        /* Expand height for stacked slider content */
    }

    .slide-info {
        text-align: center;
        max-width: 100%;
    }

    .slide-list li {
        text-align: left;
        display: inline-block;
        width: 100%;
    }

    .styled-form .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

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

    .footer-links-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Extra small mobile devices */
@media (max-width: 480px) {
    .section-title {
        font-size: 1.75rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .store-btn {
        width: 100%;
        justify-content: center;
    }

    .floating-ui {
        display: none;
        /* Hide floating widgets on extremely small mobile windows to reduce clutter */
    }

    .footer-links-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   7. Early Access Download Modal Styles
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.6); /* Slate-900 background with transparency */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 520px;
    padding: 40px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    position: relative;
    transform: translateY(30px) scale(0.95);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.open .modal-content {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 2rem;
    line-height: 1;
    color: var(--text-secondary);
    cursor: pointer;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.modal-close:hover {
    background-color: var(--border-color);
    color: var(--text-primary);
    transform: rotate(90deg);
}

.modal-header {
    text-align: center;
    margin-bottom: 28px;
}

.modal-header h2 {
    font-size: 1.75rem;
    margin-top: 8px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.modal-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

#earlyAccessForm .form-group {
    margin-bottom: 20px;
}

#earlyAccessForm label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
}

#earlyAccessForm input {
    width: 100%;
    padding: 12px 16px;
    font-family: inherit;
    font-size: 0.95rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    color: var(--text-primary);
}

#earlyAccessForm input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

#earlyAccessForm .form-group.invalid input {
    border-color: #EF4444;
}

#earlyAccessForm .form-group.invalid .error-message {
    display: block;
    color: #EF4444;
    font-size: 0.75rem;
    margin-top: 4px;
}

#earlyAccessForm .error-message {
    display: none;
}

#earlyAccessForm .btn-submit {
    width: 100%;
    margin-top: 8px;
    padding: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1rem;
}

#modalSuccess {
    margin-top: 16px;
    display: none;
    align-items: center;
    gap: 10px;
    padding: 14px;
    background-color: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-md);
    color: #10B981;
    font-size: 0.9rem;
    line-height: 1.4;
}

/* Modal Body Scroll Lock */
body.modal-open {
    overflow: hidden;
}