/* ==========================================================================
   TripLog Design System & Styles
   Aesthetic: Premium, Clean, White/Light Theme, High-Contrast Professional
   ========================================================================== */

/* --- CSS Variables & Design Tokens (White Theme) --- */
:root {
    /* Color Palette */
    --color-bg-dark: #ffffff;
    --color-bg-slate: #f8fafc; /* Very light slate-grey for secondary sections */
    --color-card-bg: #ffffff;
    --color-card-border: #e2e8f0;
    
    --color-text-primary: #0f172a; /* Dark Slate */
    --color-text-secondary: #475569; /* Slate grey */
    --color-text-muted: #64748b;
    
    --color-primary: #2563eb; /* Royal Blue */
    --color-primary-glow: rgba(37, 99, 235, 0.1);
    --color-sky: #0284c7; /* Sky Blue */
    --color-sky-glow: rgba(2, 132, 199, 0.15);
    
    --color-emerald: #059669; /* Rich Emerald Green */
    --color-emerald-dark: #047857;
    --color-emerald-glow: rgba(5, 150, 105, 0.15);
    
    --color-red: #dc2626;
    --color-red-glow: rgba(220, 38, 38, 0.1);
    --color-purple: #7c3aed;
    --color-purple-glow: rgba(124, 58, 237, 0.1);
    --color-orange: #ea580c;
    --color-orange-glow: rgba(234, 88, 12, 0.1);
    --color-teal: #0d9488;
    --color-teal-glow: rgba(13, 148, 136, 0.1);

    /* Fonts */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    
    /* Layout & Utilities */
    --container-width: 1200px;
    --header-height: 80px;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --border-radius-xl: 36px;
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.12);
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-fast: all 0.15s ease;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-text-primary);
}

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

ul {
    list-style: none;
}

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

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg-slate);
}
::-webkit-scrollbar-thumb {
    background: var(--color-card-border);
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

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

section {
    padding: 100px 0;
    position: relative;
}

/* --- Typography Utilities --- */
.gradient-text {
    background: linear-gradient(135deg, var(--color-sky) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-text-emerald {
    background: linear-gradient(135deg, var(--color-teal) 0%, var(--color-emerald) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px auto;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background-color: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.15);
    color: var(--color-primary);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    font-family: var(--font-heading);
}

.badge-emerald {
    background-color: rgba(5, 150, 105, 0.08);
    border: 1px solid rgba(5, 150, 105, 0.15);
    color: var(--color-emerald);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--color-text-primary);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.15);
}

.btn-primary:hover {
    background-color: #1e293b;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(15, 23, 42, 0.25);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.9rem;
}

.btn-md {
    padding: 14px 28px;
    font-size: 1rem;
}

/* --- Sticky Glass Header --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.05);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.site-header.scrolled {
    height: 70px;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

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

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.app-logo {
    height: 66px; /* 1.5x bigger than 44px */
    width: auto;
    object-fit: contain;
}

.app-name {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    color: var(--color-text-primary);
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    position: relative;
    padding: 6px 0;
}

.nav-link:hover {
    color: var(--color-text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.nav-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

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

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1010;
}

.mobile-menu-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--color-text-primary);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

/* --- Hero Section --- */
.hero-section {
    padding-top: calc(var(--header-height) + 60px);
    padding-bottom: 120px;
    background-color: var(--color-bg-dark);
    overflow: hidden;
}

.hero-bg-glow {
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
    z-index: 1;
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 620px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    max-width: 540px;
}

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

/* App/Play Store Buttons styling */
.store-button {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: var(--color-text-primary);
    border: 1px solid rgba(0, 0, 0, 0.1);
    padding: 10px 22px;
    border-radius: var(--border-radius-sm);
    color: #ffffff;
    transition: var(--transition-smooth);
}

.store-button:hover {
    background-color: #1e293b;
    border-color: rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.disabled-store {
    opacity: 0.6;
    cursor: not-allowed;
}

.disabled-store:hover {
    transform: none;
    background-color: var(--color-text-primary);
    border-color: rgba(0, 0, 0, 0.1);
    box-shadow: none;
}

.store-icon {
    width: 24px;
    height: 24px;
}

.store-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    text-align: left;
}

.store-sub {
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
}

.store-main {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.stat-num {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1.1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.stat-divider {
    width: 1px;
    height: 32px;
    background-color: var(--color-card-border);
}

/* Phone Mockup Frame */
.hero-mockup-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-frame-wrapper {
    width: 280px;
    height: 560px;
    background-color: #000000;
    border: 8px solid #0f172a; /* Slimmer, premium Android bezel */
    border-radius: 36px; /* Smooth Android curvature */
    position: relative;
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    z-index: 5;
}

.phone-camera {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    background-color: #000000; /* Camera lens black */
    border: 2px solid #1e293b; /* Dark metal lens ring */
    border-radius: 50%;
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background-color: #0f172a;
    position: relative;
}

.phone-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    position: absolute;
    top: 0;
    left: 0;
}

.phone-screenshot.active {
    opacity: 1;
}

.mockup-bg-blur {
    position: absolute;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, rgba(255, 255, 255, 0) 70%);
    filter: blur(40px);
    z-index: 1;
    pointer-events: none;
}

/* --- Features Section --- */
.features-section {
    background-color: var(--color-bg-slate);
    border-top: 1px solid var(--color-card-border);
    border-bottom: 1px solid var(--color-card-border);
}

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

.feature-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--border-radius-md);
    padding: 36px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    text-align: left;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.2), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(37, 99, 235, 0.2);
    box-shadow: var(--shadow-md);
}

.feature-card:hover::before {
    transform: translateX(100%);
}

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

.feature-icon {
    width: 28px;
    height: 28px;
}

/* Colored Icon Accents */
.icon-blue {
    background-color: rgba(37, 99, 235, 0.08);
    color: var(--color-primary);
}
.icon-green {
    background-color: rgba(5, 150, 105, 0.08);
    color: var(--color-emerald);
}
.icon-purple {
    background-color: rgba(124, 58, 237, 0.08);
    color: var(--color-purple);
}
.icon-orange {
    background-color: rgba(234, 88, 12, 0.08);
    color: var(--color-orange);
}
.icon-teal {
    background-color: rgba(13, 148, 136, 0.08);
    color: var(--color-teal);
}
.icon-red {
    background-color: rgba(220, 38, 38, 0.08);
    color: var(--color-red);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-desc {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* --- Driver Safety Scorecard Section --- */
.safety-section {
    background-color: var(--color-bg-dark);
    overflow: hidden;
}

.safety-bg-glow {
    position: absolute;
    bottom: -150px;
    left: -150px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(5, 150, 105, 0.04) 0%, rgba(255, 255, 255, 0) 70%);
    pointer-events: none;
    z-index: 1;
}

.safety-container {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 70px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.safety-content {
    text-align: left;
}

.safety-description {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    margin-bottom: 36px;
}

.safety-points {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.safety-point-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.point-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: rgba(5, 150, 105, 0.1);
    color: var(--color-emerald);
    font-weight: bold;
    font-size: 0.85rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.safety-point-item h5 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.safety-point-item p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

/* CSS safety scorecard widget */
.safety-widget-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
}

.safety-widget {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 380px;
    padding: 28px;
    box-shadow: var(--shadow-lg);
    text-align: left;
}

.widget-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.widget-title h4 {
    font-size: 1.05rem;
    font-weight: 800;
}

.widget-badge {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--color-emerald);
    background-color: rgba(5, 150, 105, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
    display: inline-block;
    margin-top: 2px;
}

.widget-logo {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    box-shadow: var(--shadow-sm);
}

.score-header-card {
    background-color: var(--color-bg-slate);
    border: 1px solid var(--color-card-border);
    border-radius: var(--border-radius-sm);
    padding: 16px;
    display: flex;
    align-items: center;
    margin-bottom: 24px;
}

.score-badge-wrapper {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background-color: var(--color-emerald);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(5, 150, 105, 0.2);
}

.score-badge-text {
    font-family: var(--font-heading);
    font-size: 1.45rem;
    font-weight: 800;
    color: #ffffff;
}

.score-header-details {
    flex: 1;
    margin-left: 16px;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.score-label {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
}

.score-value-text {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--color-text-primary);
    line-height: 1.2;
}

.score-subtext {
    font-size: 0.8rem;
    font-weight: 700;
}

.score-subtext.text-green {
    color: var(--color-emerald);
}

.widget-subtitle {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
    margin-top: 24px;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.stats-grid-row {
    display: flex;
    border: 1px solid var(--color-card-border);
    border-radius: var(--border-radius-sm);
    padding: 14px 0;
    background-color: var(--color-bg-slate);
    margin-bottom: 8px;
}

.grid-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.grid-col-divider {
    width: 1px;
    background-color: var(--color-card-border);
    align-self: stretch;
}

.grid-value {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-text-primary);
    line-height: 1.2;
}

.grid-label {
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    font-weight: 600;
    margin-top: 2px;
}

.violations-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.violation-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.03);
}

.violation-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.violation-bullet {
    font-size: 0.95rem;
    width: 20px;
    text-align: center;
}

.violation-text {
    font-size: 0.85rem;
    color: var(--color-text-primary);
    font-weight: 600;
}

.violation-count {
    font-weight: 800;
}

.violation-count.count-green {
    color: var(--color-emerald);
}

.violation-count.count-yellow {
    color: #f59e0b;
}

.violation-count.count-red {
    color: var(--color-red);
}

/* --- Calculator Section --- */
.calculator-section {
    background-color: var(--color-bg-slate);
    border-top: 1px solid var(--color-card-border);
    border-bottom: 1px solid var(--color-card-border);
}

.calculator-container {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 80px;
    align-items: center;
}

.calc-text {
    text-align: left;
}

.calc-text .section-title {
    margin-bottom: 24px;
}

.calc-sub {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
}

.calc-sub strong {
    color: var(--color-text-primary);
}

.calc-tip {
    padding: 18px 24px;
    background-color: rgba(5, 150, 105, 0.05);
    border-left: 4px solid var(--color-emerald);
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.calc-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    position: relative;
    text-align: left;
}

.calc-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    gap: 20px;
    flex-wrap: wrap;
}

.calc-card-header h4 {
    font-size: 1.25rem;
    font-weight: 700;
}

/* Year Selector Tab style */
.year-selector {
    display: flex;
    background-color: #f1f5f9;
    border-radius: 30px;
    padding: 4px;
    gap: 4px;
}

.year-btn {
    background: transparent;
    border: none;
    outline: none;
    color: var(--color-text-secondary);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.year-btn.active {
    background-color: #ffffff;
    color: var(--color-text-primary);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

.calc-metric-group {
    margin-bottom: 40px;
}

.calc-metric-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    display: block;
    margin-bottom: 12px;
}

.metric-display {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 20px;
}

.metric-number {
    font-family: var(--font-heading);
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.metric-unit {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* Custom Range Slider styling */
.range-slider {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 3px;
    background: #cbd5e1;
    outline: none;
    margin-bottom: 12px;
}

.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 3px solid #ffffff;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.3);
    transition: var(--transition-fast);
}

.range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    background: #1d4ed8;
}

.range-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 3px solid #ffffff;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.3);
    transition: var(--transition-fast);
}

.range-slider::-moz-range-thumb:hover {
    transform: scale(1.15);
    background: #1d4ed8;
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.calc-result-box {
    background-color: rgba(5, 150, 105, 0.03);
    border: 1px solid rgba(5, 150, 105, 0.12);
    border-radius: var(--border-radius-md);
    padding: 24px;
    text-align: center;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
}

.result-label {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.result-value {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--color-emerald);
    margin-bottom: 6px;
}

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

/* --- Screenshots Carousel Section --- */
.screenshots-section {
    background-color: var(--color-bg-dark);
}

.carousel-container {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 50px;
}

.carousel-track-wrapper {
    overflow: hidden;
    border-radius: var(--border-radius-lg);
}

.carousel-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    will-change: transform;
}

.carousel-slide {
    flex: 0 0 100%;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px 40px 40px 40px;
}

.carousel-slide img {
    width: 220px;
    height: 440px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    margin-bottom: 30px;
    border: 4px solid var(--color-card-border);
}

.carousel-slide h5 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.carousel-slide p {
    color: var(--color-text-secondary);
    max-width: 480px;
    font-size: 0.95rem;
}

/* Controls */
.carousel-control {
    position: absolute;
    top: calc(50% - 60px);
    width: 44px;
    height: 44px;
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    color: var(--color-text-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    z-index: 10;
    box-shadow: var(--shadow-sm);
}

.carousel-control:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.2);
}

.carousel-control.prev {
    left: 0;
}

.carousel-control.next {
    right: 0;
}

.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.indicator {
    width: 8px;
    height: 8px;
    background-color: var(--color-card-border);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.indicator.active {
    width: 24px;
    background-color: var(--color-primary);
    border-radius: 10px;
}

/* --- Privacy Section --- */
.privacy-section {
    background-color: var(--color-bg-slate);
    border-top: 1px solid var(--color-card-border);
    border-bottom: 1px solid var(--color-card-border);
}

.privacy-container {
    max-width: 800px;
}

.privacy-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--border-radius-lg);
    padding: 50px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.privacy-icon-badge {
    width: 72px;
    height: 72px;
    background-color: rgba(37, 99, 235, 0.08);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px auto;
}

.lock-icon {
    width: 32px;
    height: 32px;
}

.privacy-card h3 {
    font-size: 1.75rem;
    margin-bottom: 20px;
}

.privacy-card p {
    color: var(--color-text-secondary);
    font-size: 1rem;
    margin-bottom: 16px;
    line-height: 1.7;
}

.privacy-card p:last-child {
    margin-bottom: 0;
}

.privacy-card p strong {
    color: var(--color-text-primary);
}

/* --- Footer --- */
.site-footer {
    background-color: var(--color-bg-dark); /* Crisp white background */
    color: var(--color-text-secondary); /* Clean slate-grey text */
    border-top: 1px solid var(--color-card-border);
    padding: 30px 0;
    font-size: 0.85rem;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

.footer-left {
    flex: 1 1 0%;
    display: flex;
    flex-direction: column;
    gap: 4px;
    text-align: left;
}

.copyright-line {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.developer-line {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem; /* Same size as copyright line */
    font-weight: 500;
    color: var(--color-text-secondary); /* Same color as copyright line */
    line-height: 1.6;
}

.footer-dev-logo {
    width: 32px; /* Double-sized from 16px */
    height: 32px;
    object-fit: contain;
    border-radius: 3px;
    transition: var(--transition-fast);
    /* Logo in original color, no grayscale or opacity filters */
}

.footer-middle {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background-color: #f1f5f9; /* Light grey backdrop */
    border: 1px solid #e2e8f0;
    border-radius: 50%;
    color: var(--color-text-secondary);
    transition: var(--transition-smooth);
}

.social-link:hover {
    color: #ffffff;
    background-color: #3b5998; /* Facebook brand color */
    border-color: #3b5998;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 89, 152, 0.2);
}

.footer-right {
    flex: 1 1 0%;
    display: flex;
    gap: 24px;
    align-items: center;
    justify-content: flex-end;
}

.footer-link {
    color: var(--color-text-secondary);
    font-weight: 500;
    transition: var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-primary);
}

/* --- Modal Overlay & Popups --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(9, 13, 22, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

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

.modal-box {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    padding: 0;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    text-align: left;
}

.modal-overlay.active .modal-box {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-card-border);
    padding: 24px 32px 16px 32px;
    flex-shrink: 0;
}

.modal-header h3 {
    font-size: 1.35rem;
    font-weight: 800;
    font-family: var(--font-heading);
}

.modal-close {
    font-size: 1.75rem;
    font-weight: 400;
    color: var(--color-text-secondary);
    background: transparent;
    border: none;
    cursor: pointer;
    line-height: 1;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-text-primary);
    transform: scale(1.1);
}

.modal-body {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    padding: 24px 32px 32px 32px;
    overflow-y: auto;
    flex-grow: 1;
}

/* Custom Styled Scrollbar inside Modal Body */
.modal-body::-webkit-scrollbar {
    width: 6px;
}

.modal-body::-webkit-scrollbar-track {
    background: transparent;
}

.modal-body::-webkit-scrollbar-thumb {
    background: var(--color-card-border);
    border-radius: 3px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

.modal-body h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-top: 24px;
    margin-bottom: 8px;
}

.modal-body p {
    margin-bottom: 16px;
}

.modal-body p:last-child {
    margin-bottom: 0;
}

/* --- Responsive Media Queries --- */

@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-container {
        gap: 40px;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .safety-container {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .calculator-container {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .calc-text .section-title {
        text-align: center;
    }
    
    .calc-sub, .calc-tip {
        text-align: center;
    }
    
    .calc-tip {
        border-left: none;
        border-top: 4px solid var(--color-emerald);
        border-radius: 0 0 var(--border-radius-sm) var(--border-radius-sm);
    }
}

@media (max-width: 768px) {
    /* Header mobile navigation overlay style */
    .mobile-menu-toggle {
        display: flex;
    }
    
    .main-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: 0;
        background-color: var(--color-bg-dark);
        overflow: hidden;
        transition: height 0.3s ease;
        z-index: 990;
        border-bottom: 0 solid rgba(0, 0, 0, 0.05);
    }
    
    .main-nav.open {
        height: calc(100vh - var(--header-height));
        border-bottom-width: 1px;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        height: 100%;
        gap: 40px;
        padding-bottom: 100px;
    }
    
    .nav-link {
        font-size: 1.25rem;
    }
    
    .site-header.scrolled .main-nav {
        top: 70px;
    }
    
    /* Hamburger animation when open */
    .mobile-menu-toggle.open .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .mobile-menu-toggle.open .bar:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.open .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    /* Layout stack shifts */
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 60px;
    }
    
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        margin: 0 auto;
    }
    
    .hero-title {
        font-size: 2.75rem;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-ctas {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
        width: 100%;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }

    .footer-left {
        text-align: center;
        align-items: center;
    }

    .footer-right {
        justify-content: center;
        flex-wrap: wrap;
        gap: 16px;
    }
    
    .safety-widget {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    section {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-ctas {
        flex-direction: column;
        width: 100%;
        align-items: center;
    }
    
    .store-button {
        width: 100%;
        max-width: 260px;
        justify-content: center;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 16px;
    }
    
    .stat-item {
        flex: 1 1 40%;
    }
    
    .stat-divider {
        display: none;
    }
    
    .calc-card {
        padding: 24px;
    }
    
    .metric-number {
        font-size: 2.25rem;
    }
    
    .result-value {
        font-size: 1.75rem;
    }
    
    .carousel-container {
        padding: 0 20px;
    }
    
    .carousel-control {
        display: none;
    }
    
    .carousel-slide {
        padding: 10px 10px 30px 10px;
    }
    
    .privacy-card {
        padding: 30px 20px;
    }
}

/* --- Coming Soon Styling --- */
.btn-coming-soon {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-muted);
    background-color: var(--color-bg-dark);
    border: 1px solid var(--color-card-border);
    padding: 8px 16px;
    border-radius: 20px;
    display: inline-block;
    cursor: default;
}

.coming-soon-card {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: #f1f5f9; /* Soft light slate */
    border: 1px solid #e2e8f0;
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    box-shadow: var(--shadow-sm);
}

.coming-soon-indicator {
    color: var(--color-primary); /* Blue indicator dot */
    font-size: 0.8rem;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0% { opacity: 0.4; }
    50% { opacity: 1; }
    100% { opacity: 0.4; }
}

/* --- Video Modal Styles --- */
.video-modal {
    max-width: 800px;
    width: 95%;
    background: transparent;
    box-shadow: none;
}
.video-modal .modal-header {
    background: var(--color-bg-white);
    border-radius: 12px 12px 0 0;
}
.video-responsive {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 ratio */
    height: 0;
    overflow: hidden;
    background: #000;
    border-radius: 0 0 12px 12px;
}
.video-responsive iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}