/* ==========================================================================
   AppHatch.com Modern Design System & Stylesheet
   ========================================================================== */

/* 1. Global Custom Properties & Color Tokens */
:root {
    /* Colors */
    --color-bg-deep: #06070b;
    --color-bg-base: #0b0d16;
    --color-bg-card: rgba(18, 22, 38, 0.4);
    --color-bg-glass: rgba(15, 18, 32, 0.65);
    
    --color-text-primary: #f3f4f6;
    --color-text-secondary: #9ca3af;
    --color-text-muted: #6b7280;
    
    --color-health: #ff4b72;
    --color-health-glow: rgba(255, 75, 114, 0.15);
    --color-budget: #10b981;
    --color-budget-glow: rgba(16, 185, 129, 0.15);
    --color-security: #06b6d4;
    --color-security-glow: rgba(6, 182, 212, 0.15);
    --color-combat: #facc15;
    --color-combat-glow: rgba(250, 204, 21, 0.2);
    
    --color-border-glass: rgba(255, 255, 255, 0.06);
    --color-border-hover: rgba(255, 255, 255, 0.15);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #ff4b72 0%, #06b6d4 100%);
    --gradient-glow: linear-gradient(135deg, rgba(255, 75, 114, 0.3) 0%, rgba(6, 182, 212, 0.3) 100%);
    --gradient-dark: linear-gradient(180deg, #0b0d16 0%, #06070b 100%);

    /* Layout & Details */
    --font-primary: 'Inter', -apple-system, sans-serif;
    --font-display: 'Outfit', sans-serif;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --shadow-premium: 0 20px 40px -15px rgba(0, 0, 0, 0.7);
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 2. Resets & Core Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--color-bg-deep);
    color: var(--color-text-primary);
}

body {
    font-family: var(--font-primary);
    overflow-x: hidden;
    line-height: 1.6;
    background: var(--gradient-dark);
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg-deep);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* 3. Global Typography & Gradient Utilities */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.text-muted {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* 4. Glowing Background Orbs */
.bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.15;
    pointer-events: none;
}
.orb-1 {
    top: 5%;
    right: 10%;
    width: 450px;
    height: 450px;
    background: var(--color-security);
}
.orb-2 {
    top: 30%;
    left: 5%;
    width: 500px;
    height: 500px;
    background: var(--color-health);
}
.orb-3 {
    top: 60%;
    right: 15%;
    width: 400px;
    height: 400px;
    background: var(--color-budget);
}

/* 5. Buttons & Interactive Elements */
.btn-primary, .btn-secondary, .btn-outline, .btn-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 50px;
    font-family: var(--font-primary);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    outline: none;
    font-size: 0.95rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 8px 24px -6px rgba(255, 75, 114, 0.4);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px -4px rgba(255, 75, 114, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-glass);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-glass);
}
.btn-outline:hover {
    background: rgba(6, 182, 212, 0.08);
    border-color: var(--color-security);
    transform: translateY(-2px);
}

/* 6. Navigation Bar (Glassmorphic) */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: var(--color-bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border-glass);
    transition: var(--transition-smooth);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}
.logo-icon {
    background: var(--gradient-primary);
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(255, 75, 114, 0.3);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: var(--transition-smooth);
}
.nav-link:hover {
    color: var(--color-text-primary);
}

.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* 7. Hero Section styling */
.hero-section {
    max-width: 1200px;
    margin: 120px auto 40px auto;
    padding: 60px 24px;
    display: flex;
    align-items: center;
    gap: 48px;
    min-height: calc(80vh - 100px);
}

.hero-content {
    flex: 1.2;
}

.badge-container {
    margin-bottom: 20px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    color: var(--color-security);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    max-width: 580px;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    flex: 0.8;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.incubator-graphic {
    width: 280px;
    height: 360px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border-glass);
    border-radius: 160px 160px 24px 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    box-shadow: inset 0 20px 40px rgba(255, 255, 255, 0.02), var(--shadow-premium);
    backdrop-filter: blur(10px);
}

.egg-hatch-container {
    position: relative;
    animation: pulseGlow 4s infinite alternate ease-in-out;
}
.egg-base {
    font-size: 9rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 10px 20px rgba(255, 75, 114, 0.25));
}
.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 140px;
    height: 140px;
    background: var(--gradient-glow);
    border-radius: 50%;
    z-index: -1;
    filter: blur(25px);
    animation: pulseScale 3s infinite alternate ease-in-out;
}

.floating-icons-container {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}
.floating-app-icon {
    position: absolute;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    border: 1px solid var(--color-border-glass);
    background: rgba(11, 13, 22, 0.85);
    box-shadow: var(--shadow-premium);
}
.icon-health {
    color: var(--color-health);
    border-color: rgba(255, 75, 114, 0.3);
    box-shadow: 0 8px 24px var(--color-health-glow);
    top: 20%;
    left: -10%;
    animation: floatAnim 6s infinite ease-in-out;
}
.icon-budget {
    color: var(--color-budget);
    border-color: rgba(16, 185, 129, 0.3);
    box-shadow: 0 8px 24px var(--color-budget-glow);
    bottom: 30%;
    right: -10%;
    animation: floatAnim 7s infinite ease-in-out 1s;
}
.icon-security {
    color: var(--color-security);
    border-color: rgba(6, 182, 212, 0.3);
    box-shadow: 0 8px 24px var(--color-security-glow);
    top: -5%;
    right: 15%;
    animation: floatAnim 8s infinite ease-in-out 2s;
}
.icon-combat {
    color: var(--color-combat);
    border-color: rgba(250, 204, 21, 0.3);
    box-shadow: 0 8px 24px var(--color-combat-glow);
    top: 50%;
    right: -2%;
    animation: floatAnim 8s infinite ease-in-out 3s;
}

/* 8. Structural Layout Sections */
.section {
    padding: 100px 24px;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}
.section-subtitle {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-security);
    display: block;
    margin-bottom: 8px;
}
.section-title {
    font-size: 2.8rem;
    margin-bottom: 16px;
}
.section-description {
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.05rem;
}

/* 9. Product Showcase Cards */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
@media (max-width: 1100px) {
    .apps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 640px) {
    .apps-grid {
        grid-template-columns: 1fr;
    }
}

.app-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-glass);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-premium);
    transition: var(--transition-smooth);
    position: relative;
}
.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    z-index: 2;
}

.app-card-health::before { background: var(--color-health); }
.app-card-budget::before { background: var(--color-budget); }
.app-card-security::before { background: var(--color-security); }
.app-card-combat::before { background: var(--color-combat); }

.app-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-border-hover);
}

.app-card-health:hover { box-shadow: 0 20px 40px -10px var(--color-health-glow), var(--shadow-premium); }
.app-card-budget:hover { box-shadow: 0 20px 40px -10px var(--color-budget-glow), var(--shadow-premium); }
.app-card-security:hover { box-shadow: 0 20px 40px -10px var(--color-security-glow), var(--shadow-premium); }
.app-card-combat:hover { box-shadow: 0 20px 40px -10px var(--color-combat-glow), var(--shadow-premium); }

.app-image-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
}
.app-mockup {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.app-card:hover .app-mockup {
    transform: scale(1.04);
}
.app-accent-glow {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    opacity: 0.15;
}
.app-card-health .app-accent-glow { background: radial-gradient(circle at bottom, var(--color-health) 0%, transparent 60%); }
.app-card-budget .app-accent-glow { background: radial-gradient(circle at bottom, var(--color-budget) 0%, transparent 60%); }
.app-card-security .app-accent-glow { background: radial-gradient(circle at bottom, var(--color-security) 0%, transparent 60%); }
.app-card-combat .app-accent-glow { background: radial-gradient(circle at bottom, var(--color-combat) 0%, transparent 60%); }

.app-info {
    padding: 32px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.app-status-badge {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.status-health { background: rgba(255, 75, 114, 0.12); color: var(--color-health); }
.status-budget { background: rgba(16, 185, 129, 0.12); color: var(--color-budget); }
.status-security { background: rgba(6, 182, 212, 0.12); color: var(--color-security); }
.status-combat { background: rgba(250, 204, 21, 0.12); color: var(--color-combat); border: 1px solid rgba(250, 204, 21, 0.25); }

.app-version {
    font-family: var(--font-primary);
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.app-title {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.app-text {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-bottom: 24px;
    line-height: 1.5;
}

.app-features {
    margin-bottom: 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.app-features li {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}
.app-features li i {
    font-size: 0.85rem;
}
.app-card-health .app-features li i { color: var(--color-health); }
.app-card-budget .app-features li i { color: var(--color-budget); }
.app-card-security .app-features li i { color: var(--color-security); }
.app-card-combat .app-features li i { color: var(--color-combat); }

.app-actions {
    margin-top: auto;
    position: relative;
}

/* Download Dropdown Widget */
.download-dropdown-wrapper {
    position: relative;
    width: 100%;
}

.btn-download {
    width: 100%;
    position: relative;
    overflow: hidden;
    padding: 14px 24px;
    border-radius: var(--border-radius-md);
    color: white;
}
.btn-health { background: var(--color-health); }
.btn-budget { background: var(--color-budget); }
.btn-security { background: var(--color-security); }
.btn-combat { background: #facc15; color: #0b0d16; font-weight: 700; }
.btn-combat:hover { background: #ffe033; box-shadow: 0 6px 20px rgba(250, 204, 21, 0.4); }

.dl-text {
    position: relative;
    z-index: 3;
}
.dl-progress-bar {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0%;
    background: rgba(255, 255, 255, 0.2);
    z-index: 2;
    transition: width 0.1s linear;
}

.dropdown-menu {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 0;
    width: 100%;
    background: #0f1220;
    border: 1px solid var(--color-border-glass);
    border-radius: var(--border-radius-md);
    padding: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    z-index: 10;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-smooth);
}

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

.dl-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-smooth);
}
.dl-option:hover {
    color: white;
    background: rgba(255,255,255,0.05);
}

/* 10. Interactive Sandbox Section */
.sandbox-widget {
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border-glass);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-premium);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.sandbox-tabs {
    display: flex;
    border-bottom: 1px solid var(--color-border-glass);
    background: rgba(0,0,0,0.2);
}

.sandbox-tab {
    flex: 1;
    padding: 20px;
    border: none;
    outline: none;
    background: transparent;
    color: var(--color-text-secondary);
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border-bottom: 2px solid transparent;
}
.sandbox-tab:hover {
    color: white;
    background: rgba(255,255,255,0.02);
}
.sandbox-tab.active.tab-health { color: var(--color-health); border-bottom-color: var(--color-health); background: rgba(255, 75, 114, 0.03); }
.sandbox-tab.active.tab-budget { color: var(--color-budget); border-bottom-color: var(--color-budget); background: rgba(16, 185, 129, 0.03); }
.sandbox-tab.active.tab-security { color: var(--color-security); border-bottom-color: var(--color-security); background: rgba(6, 182, 212, 0.03); }
.sandbox-tab.active.tab-combat { color: var(--color-combat); border-bottom-color: var(--color-combat); background: rgba(250, 204, 21, 0.03); }

.window-bar {
    background: rgba(0,0,0,0.3);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--color-border-glass);
}
.window-buttons {
    display: flex;
    gap: 8px;
}
.win-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.win-close { background: #ff5f56; }
.win-min { background: #ffbd2e; }
.win-max { background: #27c93f; }

.window-title {
    font-family: var(--font-primary);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.sandbox-viewport {
    min-height: 400px;
}

.sandbox-pane {
    display: none;
    padding: 40px;
    animation: fadeIn 0.4s ease forwards;
}
.sandbox-pane.active {
    display: block;
}

/* Split Pane Form Layouts */
.pane-split {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
}

.pane-form h4 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}
.pane-form p {
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}
.form-group input[type="text"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--color-border-glass);
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    color: white;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-smooth);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-text-primary);
    background: rgba(0,0,0,0.4);
}

.pane-form button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    color: white;
    cursor: pointer;
    transition: var(--transition-smooth);
}
.pane-form button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255,255,255,0.05);
}

/* Range Sliders Style */
.range-group {
    margin-bottom: 24px;
}
.range-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    font-weight: 600;
}
.val-label {
    color: var(--color-budget);
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: rgba(255,255,255,0.1);
    outline: none;
    margin-top: 10px;
}
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-budget);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
    transition: var(--transition-smooth);
}
input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* Health Binder Book (Display Side) */
.health-binder-book {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--color-border-glass);
    border-radius: var(--border-radius-md);
    padding: 24px;
    display: flex;
    flex-direction: column;
    max-height: 380px;
    overflow-y: auto;
}
.binder-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-border-glass);
    padding-bottom: 12px;
    margin-bottom: 16px;
}
.binder-header h5 {
    font-size: 1rem;
    color: var(--color-text-primary);
}
.encryption-tag {
    font-size: 0.75rem;
    color: var(--color-health);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}
.binder-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.binder-item {
    background: rgba(255, 255, 255, 0.02);
    border-left: 3px solid var(--color-health);
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    animation: slideIn 0.3s ease-out forwards;
}
.item-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}
.item-badge {
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
}
.badge-vaccine { background: rgba(255, 75, 114, 0.15); color: var(--color-health); }
.badge-allergy { background: rgba(6, 182, 212, 0.15); color: var(--color-security); }
.badge-lab { background: rgba(16, 185, 129, 0.15); color: var(--color-budget); }
.badge-prescription { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }

.item-body h6 {
    font-size: 0.95rem;
    color: var(--color-text-primary);
    margin-bottom: 2px;
}
.item-body p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

/* Budget Visualization (Display Side) */
.budget-visualization {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--color-border-glass);
    border-radius: var(--border-radius-md);
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.chart-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-border-glass);
    padding-bottom: 12px;
    margin-bottom: 20px;
}
.chart-header h5 {
    font-size: 1rem;
}
.budget-alert {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-budget);
    display: flex;
    align-items: center;
    gap: 6px;
}
.canvas-container {
    margin-bottom: 20px;
}
.chart-legend {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}
.legend-item {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}
.legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}
.dot-housing { background: #3b82f6; }
.dot-food { background: #ef4444; }
.dot-savings { background: #10b981; }
.dot-leisure { background: #f59e0b; }

/* Security Terminal Sandbox styling */
.terminal-container {
    background: #05060b;
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--border-radius-md);
    font-family: 'Courier New', Courier, monospace;
    overflow: hidden;
    box-shadow: inset 0 0 20px rgba(0,0,0,0.8);
}
.terminal-log {
    height: 280px;
    padding: 24px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 0.85rem;
    color: #4ade80;
}
.terminal-line {
    word-break: break-all;
    line-height: 1.4;
}
.system-line { color: #9ca3af; }
.alert-line { color: #f87171; }
.command-line { color: #60a5fa; }
.device-safe { color: #4ade80; }
.device-vuln { color: #f87171; font-weight: bold; }

.terminal-controls {
    background: rgba(255,255,255,0.02);
    border-top: 1px solid var(--color-border-glass);
    padding: 16px 24px;
    display: flex;
    gap: 16px;
}
.terminal-controls button {
    font-family: var(--font-primary);
}

/* 11. About & Principles Section */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 64px;
    align-items: center;
}

.about-paragraph {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.principles-grid {
    margin-top: 48px;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.principle-item {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 20px;
    align-items: start;
}

.principle-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--color-border-glass);
}
.principle-item h5 {
    font-size: 1.15rem;
    margin-bottom: 4px;
}
.principle-item p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* Lead Developer Card */
.developer-card {
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border-glass);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-premium);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}
.developer-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(6, 182, 212, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.dev-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 28px;
}

.dev-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    font-size: 1.6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(255,75,114,0.3);
}

.dev-title h4 {
    font-size: 1.25rem;
}
.dev-title p {
    color: var(--color-security);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.dev-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--color-border-glass);
    border-bottom: 1px solid var(--color-border-glass);
    padding: 20px 0;
    margin-bottom: 28px;
    text-align: center;
}
.stat-item {
    display: flex;
    flex-direction: column;
}
.stat-num {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-text-primary);
}
.stat-name {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 2px;
}

.dev-bio {
    font-style: italic;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 28px;
}

.dev-social {
    display: flex;
    gap: 16px;
}
.dev-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--color-border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    transition: var(--transition-smooth);
}
.dev-social a:hover {
    color: white;
    background: rgba(255,255,255,0.1);
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
}

/* 12. Contact Form & Footer */
.contact-container {
    max-width: 800px;
}
.contact-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-glass);
    border-radius: var(--border-radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-premium);
}

.glass-form .form-row {
    display: flex;
    gap: 20px;
}
.form-group.col-6 {
    flex: 1;
}

/* Footer Section styling */
.footer {
    background: #040508;
    border-top: 1px solid var(--color-border-glass);
    padding: 80px 24px 30px 24px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 64px;
    margin-bottom: 60px;
}

.footer-brand .footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 16px;
}
.footer-brand p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    max-width: 320px;
}

.footer-links h5 {
    color: white;
    font-size: 1rem;
    margin-bottom: 20px;
}
.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.footer-links ul a {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}
.footer-links ul a:hover {
    color: white;
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid var(--color-border-glass);
    padding-top: 30px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Language Selector Dropdown */
.lang-selector-wrapper {
    position: relative;
    list-style: none;
}
.lang-toggle-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border-glass);
    color: var(--color-text-secondary);
    padding: 8px 16px;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-smooth);
    outline: none;
}
.lang-toggle-btn:hover {
    color: var(--color-text-primary);
    border-color: var(--color-border-hover);
    background: rgba(255, 255, 255, 0.08);
}
.lang-toggle-btn i.fa-globe {
    font-size: 0.95rem;
}
.lang-toggle-btn .caret {
    font-size: 0.7rem;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.lang-selector-wrapper.active .lang-toggle-btn .caret {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: #0f1220;
    border: 1px solid var(--color-border-glass);
    border-radius: var(--border-radius-md);
    padding: 8px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
    z-index: 100;
    min-width: 140px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.lang-selector-wrapper.active .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option-btn {
    width: 100%;
    background: transparent;
    border: none;
    padding: 10px 14px;
    color: var(--color-text-secondary);
    text-align: left;
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.lang-option-btn:hover {
    color: white;
    background: rgba(255, 255, 255, 0.05);
}
.lang-option-btn.active {
    color: var(--color-security);
    background: rgba(6, 182, 212, 0.08);
    font-weight: 600;
}
.lang-option-btn.active::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.75rem;
}

/* ==========================================================================
   13. Animations & Media Queries
   ========================================================================== */

/* Keyframe Animations */
@keyframes pulseGlow {
    0% { transform: scale(0.98); opacity: 0.85; }
    100% { transform: scale(1.02); opacity: 1; }
}
@keyframes pulseScale {
    0% { transform: translate(-50%, -50%) scale(0.9); opacity: 0.5; }
    100% { transform: translate(-50%, -50%) scale(1.15); opacity: 0.75; }
}
@keyframes floatAnim {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(3deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes slideIn {
    from { opacity: 0; transform: translateX(-15px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .apps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero-title {
        font-size: 3.2rem;
    }
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .about-visual {
        max-width: 500px;
        margin: 0 auto;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none; /* Mobile menu collapsed by default */
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #0f1220;
        flex-direction: column;
        gap: 20px;
        padding: 30px;
        border-bottom: 1px solid var(--color-border-glass);
    }
    .nav-menu.mobile-active {
        display: flex;
    }
    .mobile-toggle {
        display: block;
    }
    .hero-section {
        flex-direction: column-reverse;
        margin-top: 100px;
        text-align: center;
        gap: 32px;
    }
    .hero-ctas {
        justify-content: center;
    }
    .hero-description {
        margin: 0 auto 32px auto;
    }
    .apps-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }
    .pane-split {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .glass-form .form-row {
        flex-direction: column;
        gap: 0;
    }
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .contact-card {
        padding: 30px 20px;
    }

    /* Language Selector Mobile Style */
    .lang-selector-wrapper {
        width: 100%;
        text-align: center;
    }
    .lang-toggle-btn {
        width: 100%;
        justify-content: center;
        padding: 12px;
    }
    .lang-dropdown {
        position: static;
        width: 100%;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: rgba(0, 0, 0, 0.2);
        border: 1px solid var(--color-border-glass);
        margin-top: 8px;
        display: none;
        gap: 2px;
        padding: 6px;
    }
    .lang-selector-wrapper.active .lang-dropdown {
        display: flex;
    }
    .lang-option-btn {
        justify-content: center;
        text-align: center;
    }
}
}

/* Combat-Guard Interactive Sandbox Dashboard Styles */
.combat-dashboard {
    background: #090d16;
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: var(--border-radius-md);
    padding: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    font-family: var(--font-primary);
}

.combat-dash-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 16px;
    margin-bottom: 20px;
}

.combat-sub-label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: #fadb14;
    text-transform: uppercase;
    display: block;
    margin-bottom: 4px;
}

.combat-main-title {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 800;
    color: #fadb14;
    letter-spacing: -0.01em;
}

.combat-badge-safe {
    background: rgba(16, 185, 129, 0.12);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 4px;
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-smooth);
}
.combat-badge-safe.badge-alert {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.4);
}

.combat-metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

.combat-metric-card {
    background: rgba(14, 23, 38, 0.7);
    border: 1px solid rgba(0, 240, 255, 0.15);
    border-radius: var(--border-radius-sm);
    padding: 16px;
    transition: var(--transition-smooth);
}
.combat-metric-card:hover {
    border-color: rgba(250, 204, 21, 0.4);
    background: rgba(20, 30, 50, 0.8);
}

.metric-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.metric-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: #fadb14;
}

.metric-icon {
    font-size: 0.9rem;
}
.icon-alert { color: #ef4444; }
.icon-critical { color: #facc15; }
.icon-devices { color: #06b6d4; }
.icon-unknown { color: #a855f7; }

.metric-val {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 800;
    color: #ffffff;
}

.combat-middle-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

.combat-box {
    background: rgba(14, 23, 38, 0.7);
    border: 1px solid rgba(0, 240, 255, 0.15);
    border-radius: var(--border-radius-sm);
    padding: 18px;
}

.combat-box-title {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 12px;
}

.sensor-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sensor-row {
    display: flex;
    gap: 20px;
    font-size: 0.85rem;
}

.sensor-key {
    color: #fadb14;
    font-weight: 700;
    width: 100px;
}

.val-cyan { color: #00f0ff; font-family: monospace; }
.val-white { color: #ffffff; font-family: monospace; }

.sources-content {
    color: #fadb14;
    font-size: 0.9rem;
    font-weight: 700;
}

.alerts-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}
.icon-target {
    color: #fadb14;
    font-size: 0.9rem;
}

.alerts-table-wrapper {
    background: rgba(8, 12, 22, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-sm);
    padding: 12px;
}

.alerts-table-head {
    display: grid;
    grid-template-columns: 1fr 2.5fr 1.5fr 1.5fr;
    font-size: 0.75rem;
    font-weight: 700;
    color: #fadb14;
    letter-spacing: 0.05em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 8px;
    margin-bottom: 8px;
}

.alerts-table-body {
    min-height: 50px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.alerts-empty {
    color: #fadb14;
    font-size: 0.85rem;
    font-weight: 700;
    padding: 8px 0;
}

.alert-row {
    display: grid;
    grid-template-columns: 1fr 2.5fr 1.5fr 1.5fr;
    font-size: 0.8rem;
    align-items: center;
    padding: 6px 0;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
    animation: fadeIn 0.3s ease;
}

.sev-badge {
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.7rem;
    font-weight: 800;
    display: inline-block;
    width: max-content;
}
.sev-critical { background: rgba(239, 68, 68, 0.2); color: #ef4444; border: 1px solid rgba(239, 68, 68, 0.4); }
.sev-warn { background: rgba(245, 158, 11, 0.2); color: #f59e0b; border: 1px solid rgba(245, 158, 11, 0.4); }
.sev-info { background: rgba(6, 182, 212, 0.2); color: #06b6d4; border: 1px solid rgba(6, 182, 212, 0.4); }

.combat-controls {
    margin-top: 20px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .combat-metrics-grid { grid-template-columns: repeat(2, 1fr); }
    .combat-middle-grid { grid-template-columns: 1fr; }
    .alerts-table-head, .alert-row { grid-template-columns: 1fr 1.5fr 1fr; }
    .alerts-table-head span:last-child, .alert-row span:last-child { display: none; }
}

/* Why Use Combat-Guard Feature Section Styles */
.combat-why-wrapper {
    margin-top: 36px;
    padding-top: 28px;
    border-top: 1px solid rgba(0, 240, 255, 0.15);
}

.combat-why-header {
    text-align: center;
    margin-bottom: 24px;
}

.combat-why-header h4 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 800;
    color: #fadb14;
    margin-bottom: 6px;
}

.badge-pi {
    background: rgba(197, 26, 74, 0.15);
    color: #ff4b72;
    border: 1px solid rgba(197, 26, 74, 0.3);
    border-radius: 4px;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 12px;
}

.combat-why-header p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.5;
}

.combat-why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 24px;
}

.combat-why-card {
    background: rgba(14, 23, 38, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-md);
    padding: 20px;
    transition: var(--transition-smooth);
}
.combat-why-card:hover {
    border-color: rgba(250, 204, 21, 0.3);
    transform: translateY(-4px);
    background: rgba(20, 30, 50, 0.7);
}

.why-card-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: rgba(250, 204, 21, 0.1);
    color: #fadb14;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    margin-bottom: 14px;
    border: 1px solid rgba(250, 204, 21, 0.2);
}

.combat-why-card h5 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 8px;
}

.combat-why-card p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.45;
}

@media (max-width: 992px) {
    .combat-why-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .combat-why-grid { grid-template-columns: 1fr; }
}