/* 
   GuestPrime OS - Premium SaaS Stylesheet
   Dark Mode UI - Navy & Blue Accents
*/

:root {
    /* Colors */
    --bg-main: #0B0E14;
    --bg-secondary: #121620;
    --bg-accent: #1A2130;
    
    --primary: #2563EB;
    --primary-hover: #1D4ED8;
    --primary-glow: rgba(37, 99, 235, 0.4);
    
    --secondary: #3B82F6;
    --accent-red: #EF4444;
    --accent-green: #10B981;
    
    --text-main: #F8FAFC;
    --text-muted: #94A3B8;
    --border-color: #1E293B;
    
    /* Typography */
    --font-main: 'Inter', sans-serif;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

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

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

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: 100px 0;
}

.bg-darker {
    background-color: var(--bg-secondary);
}

.bg-accent {
    background-color: var(--bg-accent);
}

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

/* Typography */
h1, h2, h3, h4 {
    line-height: 1.2;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.text-gradient {
    background: linear-gradient(135deg, #60A5FA, #2563EB);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.giant-text {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 24px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 4px 14px 0 var(--primary-glow);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.6);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-main);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-accent);
    border-color: var(--text-muted);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    background: rgba(11, 14, 20, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

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

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

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--text-main);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-main);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition);
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background-color: var(--text-main);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 180px 0 100px;
    text-align: center;
    overflow: hidden;
}

.hero-bg-glow {
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(37,99,235,0.15) 0%, rgba(11,14,20,0) 70%);
    z-index: -1;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 24px;
    color: var(--text-muted);
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-tagline {
    font-size: 1.4rem;
    color: var(--text-muted);
    margin-bottom: 48px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 80px;
}

/* Dashboard Mockup */
.hero-dashboard-mockup {
    max-width: 1000px;
    margin: 0 auto;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.mockup-header {
    background-color: #0f1219;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.dots {
    display: flex;
    gap: 6px;
}

.dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #4B5563;
}

.dots span:nth-child(1) { background-color: #EF4444; }
.dots span:nth-child(2) { background-color: #F59E0B; }
.dots span:nth-child(3) { background-color: #10B981; }

.mockup-title {
    margin: 0 auto;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.mockup-body {
    display: flex;
    height: 400px;
}

.mockup-sidebar {
    width: 80px;
    border-right: 1px solid var(--border-color);
    padding: 20px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.mockup-nav-item {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background-color: rgba(255, 255, 255, 0.05);
}

.mockup-nav-item.active {
    background-color: rgba(37, 99, 235, 0.2);
    border: 1px solid var(--primary);
}

.mockup-content {
    flex: 1;
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

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

.mockup-card {
    background-color: var(--bg-accent);
    padding: 24px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    text-align: left;
}

.mockup-card-title {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.mockup-stat {
    font-size: 2rem;
    font-weight: 700;
}

.mockup-main-chart {
    flex: 1;
    background-color: var(--bg-accent);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.chart-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to top, rgba(37, 99, 235, 0.1), transparent);
    border-top: 2px solid var(--primary);
    clip-path: polygon(0 80%, 20% 60%, 40% 70%, 60% 30%, 80% 50%, 100% 10%, 100% 100%, 0 100%);
}

/* Logo Strip */
.logo-strip {
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

.logo-strip-title {
    text-align: center;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.logos {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
    opacity: 0.6;
}

.logo-item {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
}

.placeholder-text {
    font-weight: 300;
}

/* Problem vs Solution */
.section-header p {
    color: var(--text-muted);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-top: 60px;
}

.comparison-card {
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

.comparison-card.problem {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, rgba(239, 68, 68, 0.05) 100%);
    border-color: rgba(239, 68, 68, 0.1);
}

.comparison-card.solution {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, rgba(16, 185, 129, 0.05) 100%);
    border-color: rgba(16, 185, 129, 0.2);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 24px;
}

.card-icon.red {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--accent-red);
}

.card-icon.green {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
}

.comparison-card h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.feature-list li {
    padding-left: 28px;
    position: relative;
    color: var(--text-muted);
}

.problem .feature-list li::before {
    content: "✕";
    position: absolute;
    left: 0;
    color: var(--accent-red);
}

.solution .feature-list li {
    color: var(--text-main);
}

.solution .feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-green);
}

/* Core Tech */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 60px;
}

.tech-card {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    padding: 32px;
    border-radius: 12px;
    transition: var(--transition);
}

.tech-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px -10px rgba(37, 99, 235, 0.2);
}

.tech-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.tech-card h4 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.tech-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Features */
.feature-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 60px;
}

.feature-item {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--primary);
    opacity: 0;
    transition: var(--transition);
}

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

.feature-content h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

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

/* Metrics */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.metric-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
}

.metric-label {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-main);
}

/* Business Model */
.pricing-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 60px;
}

.pricing-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px 32px;
    position: relative;
    text-align: center;
}

.pricing-card.highlight {
    border-color: var(--primary);
    background: linear-gradient(180deg, var(--bg-accent) 0%, var(--bg-secondary) 100%);
    transform: scale(1.05);
    z-index: 2;
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary);
    color: white;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

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

/* Security */
.security-flex {
    display: flex;
    align-items: center;
    gap: 60px;
}

.security-text {
    flex: 1;
}

.security-list {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.security-list li {
    display: flex;
    gap: 20px;
}

.sec-icon {
    font-size: 2rem;
}

.security-list strong {
    display: block;
    font-size: 1.2rem;
    margin-bottom: 4px;
}

.security-list span {
    color: var(--text-muted);
}

.security-visual {
    flex: 1;
    display: flex;
    justify-content: center;
}

.shield-graphic {
    width: 300px;
    height: 350px;
    background: linear-gradient(135deg, rgba(37,99,235,0.2), rgba(16,185,129,0.1));
    border: 2px solid var(--border-color);
    border-radius: 50% 50% 50% 50% / 20% 20% 80% 80%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.shield-inner {
    width: 200px;
    height: 250px;
    background: linear-gradient(135deg, rgba(37,99,235,0.4), rgba(37,99,235,0.1));
    border-radius: 50% 50% 50% 50% / 20% 20% 80% 80%;
    border: 1px solid var(--primary);
    box-shadow: 0 0 40px var(--primary-glow);
}

/* Testimonials */
.testimonial-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-top: 60px;
}

.testimonial-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 40px;
    border-radius: 16px;
}

.quote {
    font-size: 1.2rem;
    font-style: italic;
    color: var(--text-main);
    margin-bottom: 24px;
}

.author-info strong {
    display: block;
    color: var(--primary);
}

.author-info span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 60px auto 0;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
    padding: 24px 0;
}

.faq-question {
    font-size: 1.2rem;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary);
}

.toggle {
    font-size: 1.5rem;
    font-weight: 300;
}

.faq-answer {
    margin-top: 16px;
    color: var(--text-muted);
    display: none;
}

/* Final CTA */
.final-cta {
    background: linear-gradient(180deg, var(--bg-main) 0%, rgba(37,99,235,0.1) 100%);
    border-top: 1px solid var(--border-color);
}

.final-tagline {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    font-style: italic;
}

/* Footer */
.footer {
    background-color: #05070a;
    padding: 80px 0 24px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 60px;
    flex-wrap: wrap;
    gap: 40px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-muted);
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: 80px;
}

.link-column h4 {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.link-column a {
    display: block;
    color: var(--text-muted);
    margin-bottom: 12px;
    font-size: 0.95rem;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s forwards;
}

.delay-1 { animation-delay: 0.2s; transition-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; transition-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; transition-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; transition-delay: 0.8s; }
.delay-5 { animation-delay: 1.0s; transition-delay: 1.0s; }

.visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Subpage Specific Styles */
.subpage-hero {
    position: relative;
    padding: 140px 0 80px;
    text-align: center;
    overflow: hidden;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-main) 100%);
    border-bottom: 1px solid var(--border-color);
}

.subpage-hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.subpage-hero-desc {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto;
}

.detail-section {
    padding: 80px 0;
}

.detail-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.detail-grid.reverse {
    grid-template-columns: 0.8fr 1.2fr;
}

.detail-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--text-main);
}

.detail-text p {
    color: var(--text-muted);
    margin-bottom: 24px;
    font-size: 1.1rem;
}

/* Bullets with Gradient Border/Dots */
.spec-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 30px;
}

.spec-list li {
    position: relative;
    padding-left: 28px;
    color: var(--text-main);
    font-weight: 500;
}

.spec-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--primary);
    box-shadow: 0 0 8px var(--primary);
}

.spec-list li span {
    display: block;
    font-weight: 400;
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: 4px;
}

/* Timeline Flow */
.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 40px auto;
    padding-left: 40px;
}

.process-timeline::before {
    content: "";
    position: absolute;
    left: 15px;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background-color: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

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

.timeline-icon {
    position: absolute;
    left: -37px;
    top: 0;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background-color: var(--bg-main);
    border: 2px solid var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    z-index: 2;
    box-shadow: 0 0 10px var(--primary-glow);
}

.timeline-content {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: 12px;
}

.timeline-content h4 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--primary);
}

.timeline-content p {
    color: var(--text-muted);
    margin: 0;
    font-size: 0.95rem;
}

/* CSS Mockups */
.phone-mockup {
    width: 100%;
    max-width: 320px;
    height: 600px;
    margin: 0 auto;
    border: 12px solid #1e293b;
    border-radius: 36px;
    background-color: #0f172a;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
}

.phone-mockup::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 18px;
    background-color: #1e293b;
    border-bottom-left-radius: 12px;
    z-index: 10;
}

.phone-header {
    background-color: #1e293b;
    padding: 24px 16px 12px;
    text-align: center;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.phone-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Chat Bubbles */
.chat-msg {
    max-width: 80%;
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 0.85rem;
    line-height: 1.4;
}

.chat-msg.bot {
    align-self: flex-start;
    background-color: #334155;
    color: white;
    border-bottom-left-radius: 2px;
}

.chat-msg.user {
    align-self: flex-end;
    background-color: var(--primary);
    color: white;
    border-bottom-right-radius: 2px;
}

.phone-footer {
    padding: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background-color: #1e293b;
    display: flex;
    gap: 8px;
}

.phone-input {
    flex: 1;
    background-color: #0f172a;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 6px 12px;
    color: white;
    font-size: 0.8rem;
}

.phone-send {
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    cursor: pointer;
    font-size: 0.8rem;
}

/* Captive Portal Simulator inside Phone */
.portal-logo {
    text-align: center;
    font-size: 1.2rem;
    font-weight: 800;
    margin: 20px 0 10px;
}

.portal-welcome {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.portal-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.portal-input {
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    padding: 10px;
    color: white;
    font-size: 0.85rem;
}

.portal-btn {
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 10px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    margin-top: 10px;
    text-align: center;
}

.portal-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-top: 20px;
}

.portal-method-btn {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    padding: 8px;
    text-align: center;
    font-size: 0.7rem;
    color: var(--text-muted);
    cursor: pointer;
}

.portal-method-btn.active {
    border-color: var(--primary);
    color: white;
    background-color: rgba(37, 99, 235, 0.1);
}

/* KDS Mockup on Subpage */
.kds-mockup {
    width: 100%;
    background-color: #0f172a;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.kds-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 12px;
}

.kds-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: white;
}

.kds-status-bar {
    display: flex;
    gap: 12px;
    font-size: 0.75rem;
}

.kds-status {
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 600;
}

.kds-status.pending { background-color: rgba(245, 158, 11, 0.1); color: #F59E0B; }
.kds-status.preparing { background-color: rgba(59, 130, 246, 0.1); color: #3B82F6; }
.kds-status.ready { background-color: rgba(16, 185, 129, 0.1); color: #10B981; }

.kds-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.kds-card {
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 16px;
}

.kds-card-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.kds-card-items {
    font-size: 0.85rem;
    color: white;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.kds-item {
    display: flex;
    justify-content: space-between;
}

/* Badge values */
.badge-eco {
    background-color: rgba(16, 185, 129, 0.1);
    color: #10B981;
    border: 1px solid rgba(16, 185, 129, 0.2);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    display: inline-block;
    margin-bottom: 16px;
}

/* Mobile Nav Drawer override */
.nav-links.mobile-open {
    display: flex !important;
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: 30px;
    gap: 20px;
    z-index: 999;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.9);
}

.nav-actions.mobile-open-actions {
    display: flex !important;
}

/* Responsive Design Overrides */
@media (max-width: 1024px) {
    .hero-title { font-size: 3.5rem; }
    .tech-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-cards { grid-template-columns: 1fr; max-width: 500px; margin: 60px auto 0; }
    .pricing-card.highlight { transform: scale(1); }
    .security-flex { flex-direction: column; }
    .detail-grid, .detail-grid.reverse { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-cta { display: none; }
    .lang-btn { display: none; }
    .mobile-menu-btn { display: flex; }
    
    .hero-title { font-size: 2.5rem; }
    .hero-tagline { font-size: 1.2rem; }
    .hero-buttons { flex-direction: column; }
    .btn-large { width: 100%; }
    
    .comparison-grid { grid-template-columns: 1fr; }
    .tech-grid { grid-template-columns: 1fr; }
    .feature-layout { grid-template-columns: 1fr; }
    .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
    .testimonial-grid { grid-template-columns: 1fr; }
    .subpage-hero-title { font-size: 2.5rem; }
    .kds-grid { grid-template-columns: 1fr; }
    
    .footer-content { flex-direction: column; }
    .footer-links { flex-wrap: wrap; gap: 40px; }
}