/* ==========================================================================
   MastoLand Presentation Website Stylesheet
   Created with Rich Aesthetics & Modern Principles
   ========================================================================== */

/* 1. Global Reset & Variables */
:root {
    /* Color Palette - Dark Theme (Default) */
    --bg-primary: #0a0b10;
    --bg-secondary: #121420;
    --bg-tertiary: #191c2c;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-primary: #6364ff;
    --accent-secondary: #a259ff;
    --accent-gradient: linear-gradient(135deg, #6364ff 0%, #a259ff 100%);
    --accent-glow: rgba(99, 100, 255, 0.4);
    --card-bg: rgba(18, 20, 32, 0.7);
    --card-border: rgba(255, 255, 255, 0.08);
    --nav-bg: rgba(10, 11, 16, 0.75);
    --shadow-main: 0 20px 40px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 30px 60px rgba(99, 100, 255, 0.15);
    
    /* Animation Speeds */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variables */
body.light-theme {
    --bg-primary: #f8fafc;
    --bg-secondary: #f1f5f9;
    --bg-tertiary: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --card-bg: rgba(255, 255, 255, 0.8);
    --card-border: rgba(0, 0, 0, 0.08);
    --nav-bg: rgba(248, 250, 252, 0.85);
    --shadow-main: 0 20px 40px rgba(15, 23, 42, 0.05);
    --shadow-hover: 0 30px 60px rgba(0, 0, 0, 0.06);
}

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

html {
    scroll-behavior: smooth;
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* 2. Background Glow Effects */
.bg-glow-1, .bg-glow-2 {
    position: absolute;
    width: 45vw;
    height: 45vw;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-glow) 0%, rgba(0,0,0,0) 70%);
    filter: blur(80px);
    z-index: -1;
    pointer-events: none;
    opacity: 0.6;
}

.bg-glow-1 {
    top: -10vw;
    right: -10vw;
    animation: floatGlow 15s infinite alternate ease-in-out;
}

.bg-glow-2 {
    top: 50vh;
    left: -15vw;
    animation: floatGlow 20s infinite alternate-reverse ease-in-out;
}

@keyframes floatGlow {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(4vw, 5vh) scale(1.15); }
}

/* 3. Header & Navigation */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: var(--nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--card-border);
    transition: background-color var(--transition-normal), border-bottom var(--transition-normal), padding var(--transition-normal);
    padding: 1.25rem 0;
}

.main-header.scrolled {
    padding: 0.8rem 0;
    box-shadow: var(--shadow-main);
}

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

.logo-area {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 800;
    font-size: 1.5rem;
    font-family: 'Outfit', sans-serif;
    letter-spacing: -0.5px;
    transition: transform var(--transition-fast);
}

.logo-area:hover {
    transform: scale(1.02);
}

.logo-img {
    height: 40px;
    width: auto;
    border-radius: 8px;
}

.nav-links {
    display: flex;
    gap: 2.25rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast), transform var(--transition-fast);
    position: relative;
    padding: 0.25rem 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width var(--transition-fast);
}

.nav-link.active {
    color: var(--text-primary);
    font-weight: 600;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

/* Theme Toggle Button */
.theme-toggle {
    background-color: var(--bg-secondary);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.theme-toggle:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--accent-primary);
}

.theme-toggle svg {
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.sun-icon {
    color: #ffffff; /* White in night mode */
}

.moon-icon {
    color: var(--accent-primary); /* Accent color in day mode */
}

body.dark-theme .moon-icon {
    display: none;
}

body.light-theme .sun-icon {
    display: none;
}

/* Color Accent Selector */
.accent-selector {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-right: 0.5rem;
    padding: 6px 12px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    transition: border-color var(--transition-fast);
}

.accent-selector:hover {
    border-color: var(--text-muted);
}

.accent-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
    padding: 0;
}

.accent-dot:hover {
    transform: scale(1.2);
}

.accent-dot.active {
    border-color: var(--text-primary);
    transform: scale(1.15);
}

@media (max-width: 768px) {
    .accent-selector {
        margin-right: 0;
        padding: 4px 8px;
    }
    .accent-dot {
        width: 14px;
        height: 14px;
    }
}


/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 24px;
    justify-content: center;
    z-index: 110;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.6rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 12px;
    text-decoration: none;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), translateY var(--transition-fast);
    cursor: pointer;
    border: none;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--accent-gradient);
    color: #ffffff;
    box-shadow: 0 10px 20px rgba(99, 100, 255, 0.25);
}

.btn-primary:hover {
    box-shadow: 0 15px 30px rgba(99, 100, 255, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--card-border);
}

.btn-secondary:hover {
    background-color: var(--bg-tertiary);
    transform: translateY(-2px);
}

.btn-white {
    background-color: #ffffff;
    color: #0f111a;
    box-shadow: 0 10px 20px rgba(255, 255, 255, 0.05);
}

.btn-white:hover {
    background-color: #f1f3f9;
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(255, 255, 255, 0.15);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    border-radius: 8px;
}

.w-full {
    width: 100%;
}

/* 4. Hero Section */
.hero-section {
    padding: 10rem 0 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 2rem;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    background: rgba(99, 100, 255, 0.1);
    color: var(--accent-primary);
    border: 1px solid rgba(99, 100, 255, 0.2);
    border-radius: 30px;
    margin-bottom: 1.5rem;
}

.badge-warning {
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.2);
}

.hero-title {
    font-family: 'Outfit', sans-serif;
    font-size: 3.5rem;
    line-height: 1.15;
    font-weight: 800;
    letter-spacing: -1.5px;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 550px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3.5rem;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 2rem;
}

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

.stat-num {
    font-family: 'Outfit', sans-serif;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
}

.stat-lbl {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background-color: var(--card-border);
}

/* CSS Dual Phone Mockup */
.hero-media {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.phones-container {
    position: relative;
    width: 100%;
    max-width: 420px;
    height: 580px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    width: 250px;
    height: 510px;
    background: #171821;
    border-radius: 36px;
    border: 9px solid #2d3142;
    box-shadow: 0px 20px 40px rgba(0, 0, 0, 0.6), 
                0px 0px 0px 3px rgba(255, 255, 255, 0.05);
    position: absolute;
    overflow: hidden;
    transition: transform var(--transition-slow), z-index var(--transition-slow);
}

body.light-theme .phone-mockup {
    background: #ffffff;
    border-color: #e2e8f0;
    box-shadow: 0px 20px 40px rgba(15, 23, 42, 0.12), 
                0px 0px 0px 3px rgba(0, 0, 0, 0.03);
}

.phone-back {
    left: 0;
    top: 50px;
    z-index: 1;
    transform: scale(0.85) rotate(-6deg);
    opacity: 0.8;
    filter: brightness(0.85);
    animation: floatPhoneBack 8s infinite ease-in-out;
}

.phone-front {
    right: 0;
    top: 0;
    z-index: 2;
    transform: scale(0.95) rotate(4deg);
    box-shadow: -15px 15px 40px rgba(0, 0, 0, 0.6);
    animation: floatPhoneFront 8s infinite ease-in-out;
}

body.light-theme .phone-front {
    box-shadow: -15px 15px 40px rgba(15, 23, 42, 0.15);
}

@keyframes floatPhoneBack {
    0% { transform: scale(0.85) rotate(-6deg) translateY(0px); }
    50% { transform: scale(0.85) rotate(-5deg) translateY(-10px); }
    100% { transform: scale(0.85) rotate(-6deg) translateY(0px); }
}

@keyframes floatPhoneFront {
    0% { transform: scale(0.95) rotate(4deg) translateY(0px); }
    50% { transform: scale(0.95) rotate(3deg) translateY(-15px); }
    100% { transform: scale(0.95) rotate(4deg) translateY(0px); }
}

.phone-speaker {
    width: 45px;
    height: 4px;
    background: #2d3142;
    border-radius: 2px;
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background-color: #0f111a;
    position: relative;
    overflow: hidden;
}

.app-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.phone-button {
    width: 10px;
    height: 2px;
    background: #2d3142;
    position: absolute;
    left: -11px;
    top: 80px;
    box-shadow: 0 20px 0 #2d3142, 0 35px 0 #2d3142;
}

/* 5. Features Section */
.features-section {
    padding: 6rem 0;
    position: relative;
}

.section-header {
    max-width: 650px;
    margin-bottom: 4rem;
}

.section-header.text-center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.section-subtitle {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 0.75rem;
    display: block;
}

.section-title {
    font-family: 'Outfit', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.2;
    margin-bottom: 1.25rem;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.feature-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 2.5rem;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 100, 255, 0.3);
    box-shadow: var(--shadow-hover);
}

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

.feature-icon-wrapper {
    width: 56px;
    height: 56px;
    background: rgba(99, 100, 255, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    margin-bottom: 1.75rem;
    transition: transform var(--transition-normal);
}

.feature-card:hover .feature-icon-wrapper {
    transform: scale(1.1) rotate(5deg);
}

.feature-card-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

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

/* 6. Security / Google Drive Sync Section */
.security-section {
    padding: 6rem 0;
    background-color: rgba(18, 20, 32, 0.3);
    border-top: 1px solid var(--card-border);
    border-bottom: 1px solid var(--card-border);
    transition: background-color var(--transition-normal);
}

body.light-theme .security-section {
    background-color: rgba(241, 245, 249, 0.5);
}

.security-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 4rem;
    align-items: center;
}

.security-media {
    display: flex;
    justify-content: center;
}

/* Google Drive Interactive Mockup Card */
.interactive-card-gdrive {
    width: 100%;
    max-width: 380px;
    background: #141624;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    padding: 1.75rem;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
    position: relative;
    overflow: hidden;
}

body.light-theme .interactive-card-gdrive {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.08);
    box-shadow: 0 30px 60px rgba(15, 23, 42, 0.08);
}

.gdrive-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--card-border);
}

.gdrive-title-block h4 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
}

.gdrive-title-block span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.gdrive-status-screen {
    background: rgba(10, 11, 16, 0.5);
    border-radius: 16px;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    border: 1px solid var(--card-border);
}

body.light-theme .gdrive-status-screen {
    background: rgba(248, 250, 252, 0.8);
}

.gdrive-backup-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.file-name {
    font-family: monospace;
    font-size: 0.8rem;
    color: var(--text-primary);
}

.file-date {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.badge-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 6px;
    padding: 0.2rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 700;
}

.sync-animation-container {
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.pulse-ring {
    position: absolute;
    width: 60px;
    height: 60px;
    border: 2px solid var(--accent-primary);
    border-radius: 50%;
    animation: pulse 2s infinite ease-out;
}

.pulse-ring-outer {
    position: absolute;
    width: 80px;
    height: 80px;
    border: 2px dashed var(--accent-secondary);
    border-radius: 50%;
    animation: rotateDash 12s infinite linear;
}

.sync-arrows {
    color: var(--accent-primary);
    animation: spinSync 4s infinite linear;
}

@keyframes pulse {
    0% { transform: scale(0.8); opacity: 0.5; }
    50% { opacity: 0.8; }
    100% { transform: scale(1.3); opacity: 0; }
}

@keyframes rotateDash {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes spinSync {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(-360deg); }
}

.gdrive-footer-info p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
}

.security-content h2 {
    margin-bottom: 1.5rem;
}

.security-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.security-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.security-list li {
    display: flex;
    gap: 1rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.security-list li strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 0.2rem;
}

.check-icon {
    width: 28px;
    height: 28px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #10b981;
    flex-shrink: 0;
}

/* 7. Download Section */
.download-section {
    padding: 8rem 0;
    position: relative;
}

.download-wrapper {
    background: var(--accent-gradient);
    border-radius: 32px;
    padding: 4.5rem;
    color: #ffffff;
    box-shadow: 0 30px 60px rgba(99, 100, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.download-wrapper::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
    top: -50px;
    right: -50px;
    border-radius: 50%;
}

.download-inner {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.download-title {
    font-family: 'Outfit', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -1.5px;
}

.download-desc {
    font-size: 1.15rem;
    opacity: 0.9;
    margin-bottom: 3.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Centered single download card */
.download-center-container {
    display: flex;
    justify-content: center;
    width: 100%;
}

.download-box-playstore {
    background: rgba(10, 11, 16, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: 24px;
    padding: 3rem;
    max-width: 550px;
    text-align: left;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.download-box-playstore:hover {
    transform: translateY(-5px);
    background: rgba(10, 11, 16, 0.75);
    border-color: rgba(255, 255, 255, 0.15);
}

.box-header-playstore {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.playstore-box-logo {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.playstore-box-meta h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: #ffffff;
}

.rating-stars {
    font-size: 0.85rem;
    color: #fbbf24;
    margin-top: 0.2rem;
}

.rating-stars span {
    font-weight: 700;
}

.playstore-box-desc {
    font-size: 1rem;
    opacity: 0.85;
    margin-bottom: 2.25rem;
    line-height: 1.6;
    color: #e2e8f0;
}

.btn-playstore-cta {
    transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

/* 8. Footer Section */
.main-footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--card-border);
    padding: 5rem 0 2rem 0;
    transition: background-color var(--transition-normal);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.brand-desc {
    margin-top: 1.25rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    max-width: 320px;
}

.footer-links-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-links-col {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.footer-links-col h4 {
    font-family: 'Outfit', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.footer-links-col a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-links-col a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--card-border);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* 9. Mobile Responsive Styles */
@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
        text-align: center;
    }

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

    .hero-cta {
        justify-content: center;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .phones-container {
        margin-top: 2rem;
        height: 520px;
    }

    .phone-mockup {
        width: 220px;
        height: 450px;
    }

    .phone-back {
        top: 40px;
    }

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

    .security-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .security-media {
        order: 2;
    }

    .download-wrapper {
        padding: 3rem 1.5rem;
    }

    .download-box-playstore {
        padding: 2rem 1.5rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background-color: var(--bg-secondary);
        z-index: 105;
        flex-direction: column;
        padding: 6rem 3rem;
        transition: right var(--transition-normal);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.2);
    }

    .nav-links.active {
        right: 0;
    }

    /* Transform hamburger menu to close menu */
    .menu-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

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

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

/* Language Selector */
.language-selector {
    position: relative;
}

.lang-btn {
    background-color: var(--bg-secondary);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    padding: 0 12px;
    height: 40px;
    border-radius: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.lang-btn:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--accent-primary);
}

.lang-btn svg {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.lang-btn:hover svg {
    color: var(--accent-primary);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background-color: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 120px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
    z-index: 1000;
}

.lang-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    text-align: left;
    transition: background-color var(--transition-fast), color var(--transition-fast);
    width: 100%;
}

.lang-option:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.lang-option.active {
    background-color: var(--accent-primary);
    color: #ffffff;
}