/* DarkTunnel VPN Landing Page stylesheet */

:root {
    --bg-darkest: #060913;
    --bg-dark: #0b0f19;
    --bg-card: rgba(13, 18, 34, 0.55);
    --bg-card-hover: rgba(20, 27, 48, 0.7);
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glass-focused: rgba(0, 242, 254, 0.3);
    
    --color-text-primary: #f8fafc;
    --color-text-muted: #94a3b8;
    --color-text-dim: #64748b;
    
    --primary: #00f2fe;
    --primary-glow: rgba(0, 242, 254, 0.15);
    --secondary: #4facfe;
    --accent-purple: #9b51e0;
    
    --font-sans: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
    --font-mono: 'Fira Code', monospace;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-glow: 0 0 25px rgba(0, 242, 254, 0.25);
    --shadow-phone: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
}

/* CSS Resets & General Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    background-color: var(--bg-darkest);
    color: var(--color-text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Background Glowing Blobs */
.glow-bg-blob {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.12;
    z-index: -1;
    pointer-events: none;
    animation: pulseGlow 12s infinite alternate ease-in-out;
}

.glow-left {
    top: -100px;
    left: -200px;
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
}

.glow-right {
    top: 400px;
    right: -200px;
    background: radial-gradient(circle, var(--secondary) 0%, transparent 70%);
    animation-delay: -6s;
}

@keyframes pulseGlow {
    0% { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.15) translate(50px, 30px); }
}

/* Typography Utility */
h1, h2, h3, h4, h5 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

p {
    color: var(--color-text-muted);
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-darkest);
}
::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #334155;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.4rem;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    gap: 0.5rem;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: #040814;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 242, 254, 0.45), var(--shadow-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(8px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--primary);
}

.btn-outline:hover {
    background: rgba(0, 242, 254, 0.05);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
    transform: translateY(-2px);
}

.btn-large {
    padding: 0.85rem 1.8rem;
    font-size: 1.05rem;
}

/* Header Section */
.header {
    background: rgba(6, 9, 19, 0.7);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glass);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition-smooth);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
}

.logo-group {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 0.75rem;
}

.logo-img {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-text-primary);
}

.logo-text span {
    color: var(--primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-smooth);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

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

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

.badge-new {
    background: rgba(0, 242, 254, 0.08);
    border: 1px solid rgba(0, 242, 254, 0.2);
    color: var(--primary);
    padding: 0.35rem 0.9rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.15rem;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.hero-actions-group {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 3rem;
    width: 100%;
}

.hero-stats {
    display: flex;
    gap: 3.5rem;
    border-top: 1px solid var(--border-glass);
    padding-top: 2rem;
    width: 100%;
}

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

.stat-val {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary);
}

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

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

.phone-mockup {
    background: #0f172a;
    border: 10px solid #1e293b;
    border-radius: 40px;
    width: 320px;
    height: 600px;
    position: relative;
    box-shadow: var(--shadow-phone), 0 0 80px rgba(0, 242, 254, 0.1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: floatPhone 6s infinite ease-in-out;
}

@keyframes floatPhone {
    0% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0); }
}

.phone-speaker {
    background: #334155;
    height: 18px;
    width: 100px;
    border-radius: 0 0 10px 10px;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.phone-screen {
    padding: 24px 14px 14px 14px;
    height: 100%;
    display: flex;
    flex-direction: column;
    background: #070a13;
}

/* App Header UI */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.app-logo {
    display: flex;
    align-items: center;
    gap: 6px;
}

.app-logo-img {
    width: 24px;
    height: 24px;
    border-radius: 5px;
}

.app-title-group {
    display: flex;
    flex-direction: column;
}

.app-name {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    color: #fff;
    line-height: 1;
}

.app-version {
    font-size: 0.6rem;
    color: var(--color-text-dim);
}

.app-premium-container {
    background: rgba(234, 179, 8, 0.12);
    border: 1px solid rgba(234, 179, 8, 0.25);
    border-radius: 20px;
    padding: 2px 8px;
    display: flex;
    align-items: center;
    gap: 4px;
    color: #eab308;
    font-size: 0.65rem;
    font-weight: 600;
}

.crown-icon {
    width: 10px;
    height: 10px;
}

/* App Simulator Dashboard details */
.app-dashboard {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-glass);
    border-radius: 18px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.selector-title {
    font-size: 0.65rem;
    color: var(--color-text-dim);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
    display: block;
}

.protocol-radios {
    display: flex;
    background: #090e1a;
    padding: 2px;
    border-radius: 8px;
    border: 1px solid var(--border-glass);
}

.protocol-radio-btn {
    flex: 1;
    font-size: 0.65rem;
    font-weight: 500;
    text-align: center;
    padding: 5px 0;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-smooth);
    color: var(--color-text-muted);
}

.protocol-radio-btn input {
    display: none;
}

.protocol-radio-btn.active {
    background: #1e293b;
    color: var(--primary);
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

/* Server select spinner simulation */
.server-dropdown {
    background: #090e1a;
    border: 1px solid var(--border-glass);
    border-radius: 8px;
    padding: 7px 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.server-dropdown:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.flag-icon {
    font-size: 0.85rem;
}

.server-name-display {
    flex-grow: 1;
    margin-left: 8px;
    font-weight: 500;
    color: #fff;
}

.dropdown-chevron {
    width: 14px;
    height: 14px;
    color: var(--color-text-muted);
}

/* Speed chart panel UI */
.app-chart-container {
    background: #090e1a;
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    padding: 8px;
    height: 120px;
    display: flex;
    flex-direction: column;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4px;
}

.speed-indicator {
    font-size: 0.65rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

.speed-indicator.speed-down {
    color: var(--primary);
}

.speed-indicator.speed-up {
    color: var(--secondary);
}

.traffic-chart-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* Connect dashboard indicators */
.app-status-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #090e1a;
    border: 1px solid var(--border-glass);
    border-radius: 10px;
    padding: 6px 12px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    transition: var(--transition-smooth);
}

.status-disconnected {
    background: #ef4444;
    box-shadow: 0 0 8px rgba(239, 68, 68, 0.6);
}

.status-connecting {
    background: #f59e0b;
    box-shadow: 0 0 8px rgba(245, 158, 11, 0.6);
    animation: pulseConnecting 1s infinite alternate;
}

.status-connected {
    background: #10b981;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.8);
}

@keyframes pulseConnecting {
    0% { opacity: 0.4; }
    100% { opacity: 1; }
}

.status-text {
    font-size: 0.7rem;
    font-weight: 600;
    color: #fff;
    text-transform: uppercase;
}

.duration-counter {
    font-size: 0.7rem;
    font-family: var(--font-mono);
    color: var(--color-text-muted);
}

.btn-app-connect {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border: none;
    border-radius: 10px;
    padding: 10px 0;
    font-size: 0.8rem;
    font-weight: 700;
    color: #040814;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 242, 254, 0.2);
    transition: var(--transition-smooth);
}

.btn-app-connect:hover {
    filter: brightness(1.15);
    box-shadow: 0 5px 12px rgba(0, 242, 254, 0.3);
}

.btn-app-connect.connected {
    background: #ef4444;
    color: #fff;
    box-shadow: 0 4px 10px rgba(239, 68, 68, 0.2);
}

/* App simulator terminal log panel */
.app-logs-panel {
    margin-top: 10px;
    flex-grow: 1;
    background: #04070d;
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    padding: 6px 10px;
    overflow: hidden;
    height: 120px;
}

.logs-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--color-text-dim);
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 4px;
    margin-bottom: 4px;
}

.logs-clear {
    cursor: pointer;
}

.logs-clear:hover {
    color: var(--primary);
}

.logs-content-wrapper {
    flex-grow: 1;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 0.58rem;
    display: flex;
    flex-direction: column;
    gap: 3px;
    text-align: left;
}

.log-line {
    word-break: break-all;
    line-height: 1.25;
}

.log-line.text-muted { color: var(--color-text-dim); }
.log-line.text-info { color: var(--primary); }
.log-line.text-success { color: #10b981; }
.log-line.text-warning { color: #f59e0b; }
.log-line.text-error { color: #ef4444; }

/* Sections Styling */
.section {
    padding: 7rem 0;
}

.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 4.5rem auto;
}

.section-title {
    font-size: 2.4rem;
    margin-bottom: 1rem;
}

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

/* Core Protocol Feature Grid styling */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    padding: 2.2rem;
    backdrop-filter: blur(12px);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
}

.card-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

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

.color-cyan {
    background: rgba(0, 242, 254, 0.1);
    color: var(--primary);
}

.color-purple {
    background: rgba(155, 81, 224, 0.1);
    color: var(--accent-purple);
}

.color-blue {
    background: rgba(79, 172, 254, 0.1);
    color: var(--secondary);
}

.card-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.85rem;
}

.card-desc {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.card-meta {
    margin-top: auto;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.meta-tag {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    color: var(--color-text-muted);
    font-size: 0.72rem;
    font-weight: 500;
    padding: 0.25rem 0.65rem;
    border-radius: 30px;
}

/* Deploy VPS Server Panel styles */
.deploy-container {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 28px;
    backdrop-filter: blur(16px);
    overflow: hidden;
}

.deploy-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-glass);
    background: rgba(4, 7, 18, 0.4);
}

.deploy-tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 1.25rem 1rem;
    color: var(--color-text-muted);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.tab-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-text-dim);
    transition: var(--transition-smooth);
}

.deploy-tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background: rgba(13, 18, 34, 0.3);
}

.deploy-tab-btn.active .tab-dot {
    background: var(--primary);
    box-shadow: 0 0 6px var(--primary);
}

.deploy-content-box {
    padding: 2.5rem;
}

.deploy-tab-pane {
    display: none;
    flex-direction: column;
    gap: 1.5rem;
    animation: fadeInTab 0.4s ease;
}

.deploy-tab-pane.active {
    display: flex;
}

@keyframes fadeInTab {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.pane-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.code-block-container {
    position: relative;
    background: #04070d;
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    padding: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.code-block-container pre {
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.88rem;
    color: #fff;
    white-space: pre-wrap;
    word-break: break-all;
    flex-grow: 1;
    margin-right: 1.5rem;
    text-align: left;
}

.btn-copy-code {
    background: #1e293b;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
    padding: 0.55rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.btn-copy-code:hover {
    background: #334155;
    border-color: rgba(255, 255, 255, 0.2);
}

.copy-icon {
    width: 14px;
    height: 14px;
}

/* Technical Architecture layouts */
.architecture-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.arch-spec-item {
    margin-bottom: 2rem;
}

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

.arch-spec-item h4 {
    font-size: 1.2rem;
    color: #fff;
    margin-bottom: 0.5rem;
}

.arch-spec-item p {
    font-size: 0.95rem;
    line-height: 1.5;
}

.arch-diagram-card {
    background: rgba(13, 18, 34, 0.3);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
}

.arch-diagram-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

.diagram-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.diagram-step {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
    max-width: 360px;
}

.step-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #1e293b;
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    flex-shrink: 0;
}

.step-card {
    background: #04070d;
    border: 1px solid var(--border-glass);
    border-radius: 10px;
    padding: 0.8rem 1rem;
    flex-grow: 1;
    text-align: left;
}

.step-card h5 {
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.step-card p {
    font-size: 0.72rem;
    line-height: 1.3;
}

.step-card.bg-highlight {
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.1);
}

.diagram-arrow {
    font-size: 1rem;
    color: var(--color-text-dim);
    margin: 4px 0;
}

/* Call to Action card layout */
.cta-section {
    padding-bottom: 8rem;
}

.cta-card {
    background: linear-gradient(135deg, rgba(0, 242, 254, 0.08) 0%, rgba(79, 172, 254, 0.05) 100%);
    border: 1px solid rgba(0, 242, 254, 0.15);
    border-radius: 32px;
    padding: 4rem 2rem;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    position: relative;
    overflow: hidden;
}

.cta-card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
    filter: blur(80px);
    opacity: 0.1;
    transform: translate(-50%, -50%);
    z-index: -1;
}

.cta-card h2 {
    font-size: 2.4rem;
    margin-bottom: 1rem;
}

.cta-card p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 2.5rem auto;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 1.25rem;
}

/* Footer structure */
.footer-bottom {
    background: #03050b;
    border-top: 1px solid var(--border-glass);
    padding: 4rem 0 2rem 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
}

.footer-brand p {
    font-size: 0.9rem;
    max-width: 280px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.footer-links h5 {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #fff;
    margin-bottom: 0.5rem;
}

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

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

.copyright-bar {
    border-top: 1px solid var(--border-glass);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--color-text-dim);
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-content {
        align-items: center;
        text-align: center;
    }
    
    .hero-actions-group {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .architecture-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .phone-mockup {
        width: 340px;
        height: 620px;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .header-container {
        padding: 1rem;
    }
    
    .nav-menu {
        display: none; /* Mobile navigation toggle can be added, but for simple landing it is fine */
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-actions-group {
        flex-direction: column;
        width: 100%;
        max-width: 320px;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 2rem;
    }
    
    .deploy-tabs {
        flex-direction: column;
    }
    
    .deploy-tab-btn {
        border-bottom: none;
        border-left: 2px solid transparent;
        padding: 1rem;
        justify-content: flex-start;
    }
    
    .deploy-tab-btn.active {
        border-left-color: var(--primary);
    }
    
    .deploy-content-box {
        padding: 1.5rem;
    }
    
    .code-block-container {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .code-block-container pre {
        margin-right: 0;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .copyright-bar {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}