/* ==========================================================================
   🎯 A1 SENSI - Modern Clean White & Ultra-Smooth Mobile Theme
   Pure White Background, Zero-Lag GPU Micro-Animations & 60 FPS Performance
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Hind+Siliguri:wght@400;500;600;700;800&family=Outfit:wght@500;600;700;800;900&display=swap');

:root {
    /* Clean White & Light Theme Base */
    --bg-body: #f8fafc;
    --bg-white: #ffffff;
    --bg-surface: #f1f5f9;
    --bg-surface-hover: #e2e8f0;
    --border-light: #e2e8f0;
    --border-focus: #06b6d4;

    /* Vibrant Brand Accents */
    --primary: #0284c7;
    --primary-gradient: linear-gradient(135deg, #0284c7 0%, #7c3aed 50%, #ec4899 100%);
    --secondary-gradient: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --accent-emerald: #10b981;
    --accent-pink: #ec4899;
    --accent-amber: #f59e0b;

    /* Text Colors (High Contrast & Crisp) */
    --text-heading: #0f172a;
    --text-body: #334155;
    --text-muted: #64748b;
    --text-dim: #94a3b8;

    /* Typography */
    --font-bangla: 'Hind Siliguri', system-ui, -apple-system, sans-serif;
    --font-heading: 'Outfit', 'Hind Siliguri', sans-serif;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-full: 9999px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-card: 0 10px 30px -4px rgba(15, 23, 42, 0.06), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
    --shadow-hover: 0 20px 40px -6px rgba(15, 23, 42, 0.12);
    --shadow-btn: 0 8px 24px -4px rgba(2, 132, 199, 0.35);
}

/* ==========================================================================
   Reset & Mobile Overflow Protection
   ========================================================================== */
html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    background-color: var(--bg-body);
    color: var(--text-body);
    font-family: var(--font-bangla);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

*, *::before, *::after {
    box-sizing: border-box;
}

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

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================================================
   🌈 Radiant Highlight Text
   ========================================================================== */
.rgb-text, .highlight-text {
    background: linear-gradient(135deg, #0284c7 0%, #7c3aed 50%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
    display: inline-block;
}

/* ==========================================================================
   Header & Navbar
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: box-shadow 0.2s ease;
}

.header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

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

.logo-emblem {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(124, 58, 237, 0.3);
    flex-shrink: 0;
    animation: logoGlowPulse 4s ease-in-out infinite alternate;
}

@keyframes logoGlowPulse {
    0% { transform: scale(1); }
    100% { transform: scale(1.05); }
}

.logo-emblem svg {
    width: 24px;
    height: 24px;
    fill: #ffffff;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 28px;
}

.nav-link {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 1rem;
    transition: color 0.2s ease;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-heading);
    padding: 6px;
    cursor: pointer;
}

/* ==========================================================================
   ⚡ Lightweight GPU-Accelerated Animations (Zero-Lag Guaranteed)
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 28px;
    font-size: 1.05rem;
    font-weight: 700;
    font-family: var(--font-bangla);
    border-radius: var(--radius-md);
    cursor: pointer;
    border: none;
    transition: transform 0.18s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.18s ease;
    touch-action: manipulation;
}

.btn:active {
    transform: scale(0.96);
}

.btn-primary {
    background: linear-gradient(90deg, #0284c7, #7c3aed, #ec4899, #06b6d4, #0284c7);
    background-size: 300% 100%;
    color: #ffffff;
    position: relative;
    overflow: hidden;
    animation: btnGradientFlow 3.5s linear infinite, btnContinuousPulse 2.2s ease-in-out infinite;
}

@keyframes btnGradientFlow {
    0% { background-position: 0% 50%; }
    100% { background-position: 300% 50%; }
}

@keyframes btnContinuousPulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 6px 20px rgba(2, 132, 199, 0.4), 0 0 15px rgba(236, 72, 153, 0.3);
    }
    50% {
        transform: scale(1.025);
        box-shadow: 0 10px 30px rgba(236, 72, 153, 0.6), 0 0 25px rgba(6, 182, 212, 0.5);
    }
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.45), transparent);
    transform: skewX(-25deg);
    animation: btnShineSweep 2.8s infinite;
}

@keyframes btnShineSweep {
    0% { left: -100%; }
    40%, 100% { left: 200%; }
}

.btn-primary .btn-icon {
    animation: arrowBounce 1.5s ease-in-out infinite;
}

@keyframes arrowBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(3px); }
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.04);
}

.btn-secondary {
    background: var(--bg-white);
    color: var(--text-heading);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

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

.btn-sm {
    padding: 8px 18px;
    font-size: 0.92rem;
    border-radius: var(--radius-sm);
}

.btn-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    padding: 115px 0 65px;
    min-height: 82vh;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at 80% 20%, rgba(2, 132, 199, 0.05) 0%, transparent 60%),
                radial-gradient(circle at 20% 80%, rgba(236, 72, 153, 0.05) 0%, transparent 60%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 40px;
    align-items: center;
}

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

/* Live Stats Strip */
.live-counter-strip {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    padding: 8px 18px;
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    margin-bottom: 18px;
    font-size: 0.92rem;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.live-strip-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.live-strip-divider {
    width: 1px;
    height: 14px;
    background: var(--border-light);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-emerald);
    box-shadow: 0 0 8px var(--accent-emerald);
    animation: radarPulse 1.8s infinite;
}

@keyframes radarPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.8); }
}

.pill-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    font-size: 0.92rem;
    font-weight: 700;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
}

.hero-title {
    font-size: 2.9rem;
    font-weight: 900;
    line-height: 1.25;
    margin-bottom: 16px;
    color: var(--text-heading);
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 26px;
    line-height: 1.7;
}

.hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.apk-meta-pill {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.92rem;
    color: var(--text-dim);
    margin-bottom: 24px;
}

.apk-meta-pill span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.apk-meta-pill .dot {
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
}

.security-trust-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 18px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-body);
}

.trust-item svg {
    color: var(--accent-emerald);
    width: 17px;
    height: 17px;
}

/* ==========================================================================
   🎯 A1 SENSI Phone Mockup UI (Gentle Floating Animation)
   ========================================================================== */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.phone-mockup-wrapper {
    width: 100%;
    max-width: 310px;
    position: relative;
    animation: gentleFloat 5s ease-in-out infinite alternate;
}

@keyframes gentleFloat {
    0% { transform: translateY(0px); }
    100% { transform: translateY(-8px); }
}

.phone-frame {
    width: 100%;
    background: #0f172a;
    border-radius: 38px;
    padding: 10px;
    border: 3px solid #cbd5e1;
    box-shadow: 0 20px 45px -5px rgba(15, 23, 42, 0.25), 0 0 20px rgba(2, 132, 199, 0.15);
}

.phone-notch {
    width: 75px;
    height: 16px;
    background: #020617;
    border-radius: 10px;
    margin: 0 auto 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.camera-lens {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #1e293b;
    border: 1px solid var(--primary);
}

.phone-screen {
    width: 100%;
    border-radius: 28px;
    background: #090e17;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 18px 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    color: #ffffff;
}

.app-screen-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.app-badge-btn {
    font-size: 0.7rem;
    padding: 3px 8px;
    border-radius: 6px;
    font-weight: 700;
}

.app-badge-btn.logout {
    background: rgba(236, 72, 153, 0.2);
    color: #f472b6;
}

.app-badge-btn.topup {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
}

.app-brand-title {
    text-align: center;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 900;
    letter-spacing: 1px;
    margin: 0;
}

.sensi-group-label {
    font-size: 0.72rem;
    font-weight: 800;
    color: #38bdf8;
    text-align: center;
    padding: 2px 0;
    background: rgba(56, 189, 248, 0.1);
    border-radius: 6px;
}

.sensi-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}

.sensi-card {
    background: #131c2e;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 6px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.sensi-card span {
    font-size: 0.68rem;
    font-weight: 800;
    color: #ffffff;
    font-family: var(--font-heading);
}

.sensi-switch {
    width: 28px;
    height: 14px;
    background: #06b6d4;
    border-radius: 10px;
    position: relative;
}

.sensi-switch.pink { background: #ec4899; }
.sensi-switch.purple { background: #8b5cf6; }
.sensi-switch.amber { background: #f59e0b; }

.sensi-switch::after {
    content: '';
    position: absolute;
    right: 2px;
    top: 2px;
    width: 10px;
    height: 10px;
    background: #ffffff;
    border-radius: 50%;
}

.btn-launch-ff {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px;
    border-radius: 10px;
    font-size: 0.78rem;
    font-weight: 900;
    font-family: var(--font-heading);
    color: #ffffff;
    border: none;
    cursor: pointer;
}

.btn-launch-ff.normal {
    background: linear-gradient(90deg, #10b981, #06b6d4);
    color: #000000;
}

.btn-launch-ff.max {
    background: linear-gradient(90deg, #3b82f6, #ec4899);
    color: #ffffff;
}

/* ==========================================================================
   Stats Counter Section
   ========================================================================== */
.stats-section {
    padding: 30px 0 65px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.stat-card {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 26px 18px;
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.stat-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    border-radius: var(--radius-md);
    background: var(--bg-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 900;
    margin-bottom: 2px;
}

.stat-label {
    font-size: 0.98rem;
    color: var(--text-muted);
    font-weight: 600;
}

/* ==========================================================================
   Section Headers
   ========================================================================== */
.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 48px;
}

.section-tag {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 10px;
    color: var(--primary);
}

.section-title {
    font-size: 2.4rem;
    font-weight: 900;
    color: var(--text-heading);
    line-height: 1.3;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 1.12rem;
    color: var(--text-muted);
}

/* ==========================================================================
   Features Section
   ========================================================================== */
.features-section {
    padding: 65px 0;
    background: var(--bg-white);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-body);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 30px 24px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    background: var(--bg-white);
}

.feature-icon-box {
    width: 54px;
    height: 54px;
    border-radius: var(--radius-md);
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--text-heading);
}

.feature-desc {
    font-size: 0.98rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ==========================================================================
   How to Install Section
   ========================================================================== */
.install-section {
    padding: 65px 0;
}

.install-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.install-card {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 28px 20px;
    box-shadow: var(--shadow-card);
    transition: transform 0.2s ease;
}

.install-card:hover {
    transform: translateY(-4px);
}

.step-badge {
    font-family: var(--font-heading);
    font-size: 2.1rem;
    font-weight: 900;
    margin-bottom: 10px;
    display: inline-block;
    color: var(--primary);
}

.install-card h4 {
    font-size: 1.18rem;
    font-weight: 800;
    color: var(--text-heading);
    margin-bottom: 8px;
}

.install-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.55;
}

/* ==========================================================================
   App Specification Table Section
   ========================================================================== */
.specs-section {
    padding: 55px 0;
    background: var(--bg-white);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.specs-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-body);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-sm);
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table tr {
    border-bottom: 1px solid var(--border-light);
}

.specs-table tr:last-child {
    border-bottom: none;
}

.specs-table td {
    padding: 14px 10px;
    font-size: 1.02rem;
}

.specs-table td.spec-name {
    color: var(--text-muted);
    font-weight: 600;
    width: 42%;
}

.specs-table td.spec-value {
    color: var(--text-heading);
    font-weight: 700;
    text-align: right;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-section {
    padding: 65px 0;
}

.faq-container {
    max-width: 780px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.faq-item {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: border-color 0.2s ease;
}

.faq-item.active {
    border-color: var(--primary);
}

.faq-question {
    padding: 18px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
}

.faq-question h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-heading);
}

.faq-toggle-icon {
    width: 20px;
    height: 20px;
    color: var(--primary);
    flex-shrink: 0;
    transition: transform 0.25s ease;
}

.faq-item.active .faq-toggle-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 22px;
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.6;
    transition: max-height 0.25s ease, padding 0.25s ease;
}

.faq-item.active .faq-answer {
    max-height: 250px;
    padding: 0 22px 18px 22px;
}

/* ==========================================================================
   Download Banner CTA Section
   ========================================================================== */
.download-cta-section {
    padding: 75px 0;
    background: var(--primary-gradient);
    color: #ffffff;
}

.download-cta-box {
    text-align: center;
}

.download-cta-box h2 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 12px;
    color: #ffffff;
}

.download-cta-box p {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto 28px;
}

.download-cta-box .btn-primary {
    background: #ffffff;
    color: var(--text-heading);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.download-cta-box .btn-primary:hover {
    background: #f8fafc;
    color: var(--primary);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: #0f172a;
    color: #cbd5e1;
    padding: 60px 0 25px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 35px;
}

.footer-brand p {
    color: #94a3b8;
    font-size: 0.98rem;
    margin-top: 14px;
    max-width: 380px;
}

.footer-col h4 {
    font-size: 1.1rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 16px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: #94a3b8;
    font-size: 0.95rem;
    font-weight: 600;
    transition: color 0.15s ease;
}

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

.social-links {
    display: flex;
    gap: 12px;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: #1e293b;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    transition: transform 0.15s ease, color 0.15s ease;
}

.social-icon:hover {
    color: #ffffff;
    background: var(--primary);
    transform: translateY(-2px);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
    color: #64748b;
    font-size: 0.88rem;
}

/* ==========================================================================
   Mobile Floating Bottom Bar
   ========================================================================== */
.mobile-bottom-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    border-top: 1px solid var(--border-light);
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.06);
    padding: 10px 16px;
    z-index: 999;
}

.mobile-bar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.mobile-bar-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.mobile-bar-info .mini-logo {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.mobile-bar-info h5 {
    font-size: 0.92rem;
    font-weight: 800;
    color: var(--text-heading);
    line-height: 1.2;
    margin: 0;
}

.mobile-bar-info p {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin: 0;
}

/* ==========================================================================
   Modals
   ========================================================================== */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 16px;
}

.modal-backdrop.show {
    display: flex;
}

.modal-box {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 440px;
    padding: 30px 22px;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-hover);
}

.modal-close-btn {
    position: absolute;
    top: 14px;
    right: 14px;
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    color: var(--text-muted);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.countdown-circle {
    width: 75px;
    height: 75px;
    border-radius: 50%;
    border: 3px solid var(--border-light);
    border-top-color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 1.9rem;
    font-weight: 900;
    font-family: var(--font-heading);
    color: var(--primary);
}

.video-modal-box {
    max-width: 750px;
    padding: 12px;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: var(--radius-md);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* ==========================================================================
   🔔 Floating Live Recent Activity Toast
   ========================================================================== */
.live-activity-popup {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow-card);
    z-index: 1500;
    transform: translateY(120px);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    max-width: 340px;
    pointer-events: none;
}

.live-activity-popup.show {
    transform: translateY(0);
    opacity: 1;
}

.popup-avatar {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.popup-details h5 {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-heading);
    line-height: 1.2;
    margin: 0;
}

.popup-details p {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.25;
    margin: 2px 0;
}

.popup-time {
    font-size: 0.7rem;
    color: var(--primary);
    font-weight: 600;
}

/* ==========================================================================
   📱 100% Break-Proof Mobile Styles
   ========================================================================== */
@media (max-width: 768px) {
    .header {
        padding: 0 8px;
    }

    .navbar {
        height: 64px;
    }

    .mobile-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 64px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 22px 20px;
        gap: 16px;
        border-bottom: 1px solid var(--border-light);
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
        transform: translateY(-150%);
        transition: transform 0.25s ease;
    }

    .nav-menu.open {
        transform: translateY(0);
    }

    .nav-actions .btn {
        display: none;
    }

    .hero {
        padding: 74px 0 30px;
        min-height: auto;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 24px;
    }

    .hero-content {
        margin: 0 auto;
        width: 100%;
    }

    .live-counter-strip {
        flex-direction: row;
        gap: 8px;
        width: auto;
        padding: 5px 12px;
        font-size: 0.82rem;
        margin-bottom: 8px;
        justify-content: center;
        border-radius: var(--radius-full);
    }

    .live-strip-divider {
        display: block;
        height: 12px;
    }

    .pill-badge {
        padding: 3px 12px;
        font-size: 0.82rem;
        margin-bottom: 8px;
    }

    .hero-title {
        font-size: 1.65rem;
        line-height: 1.25;
        margin-bottom: 8px;
    }

    .hero-description {
        font-size: 0.92rem;
        line-height: 1.45;
        margin-bottom: 14px;
    }

    .hero-cta-group {
        justify-content: center;
        flex-direction: column;
        width: 100%;
        gap: 9px;
        margin-bottom: 14px;
    }

    .hero-cta-group .btn {
        width: 100%;
        padding: 11px 18px;
        font-size: 0.98rem;
    }

    .apk-meta-pill {
        justify-content: center;
        flex-wrap: wrap;
        margin-bottom: 12px;
        font-size: 0.84rem;
        gap: 8px;
    }

    .security-trust-bar {
        justify-content: center;
        gap: 10px;
        padding-top: 12px;
        font-size: 0.84rem;
    }

    .phone-mockup-wrapper {
        max-width: 280px;
        margin: 0 auto;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .stat-card {
        padding: 18px 12px;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .install-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .specs-wrapper {
        padding: 16px;
    }

    .specs-table td {
        padding: 10px 6px;
        font-size: 0.92rem;
    }

    .download-cta-box h2 {
        font-size: 1.85rem;
    }

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

    .mobile-bottom-bar {
        display: block;
    }

    .live-activity-popup {
        bottom: 70px;
        left: 10px;
        right: 10px;
        max-width: calc(100% - 20px);
    }

    body {
        padding-bottom: 70px;
    }
}