/* ===== Reset & Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Primary Colors */
    --primary-dark: #0a0e27;
    --secondary-dark: #1a1e3e;
    --tertiary-dark: #252a4a;

    /* Neon Colors */
    --neon-cyan: #00d9ff;
    --neon-purple: #a855f7;
    --neon-pink: #d946ef;
    --neon-blue: #00fff2;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00d9ff 0%, #a855f7 50%, #d946ef 100%);
    --gradient-secondary: linear-gradient(135deg, #a855f7 0%, #d946ef 100%);
    --gradient-cyan-purple: linear-gradient(90deg, #00d9ff 0%, #a855f7 100%);

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b4b4b4;
    --text-muted: #6b7280;

    /* Spacing */
    --section-padding: 80px 0;
    --container-padding: 0 20px;

    /* Transitions */
    --transition-smooth: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--primary-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 217, 255, 0.2);
    padding: 20px 0;
    z-index: 1000;
    transition: var(--transition-smooth);
}

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

.nav-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-brand .logo-text {
    font-size: 24px;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-menu a:not(.btn-primary):hover {
    color: var(--neon-cyan);
}

.nav-menu a:not(.btn-primary)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-cyan-purple);
    transition: var(--transition-smooth);
}

.nav-menu a:not(.btn-primary):hover::after {
    width: 100%;
}

.language-selector {
    position: relative;
}

.lang-switch {
    background: rgba(168, 85, 247, 0.2);
    padding: 8px 18px;
    border-radius: 20px;
    border: 1px solid var(--neon-purple);
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.lang-switch:hover {
    background: rgba(168, 85, 247, 0.4);
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    transform: translateY(-2px);
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 10px;
    background: rgba(26, 30, 62, 0.98);
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: 10px;
    padding: 10px 0;
    min-width: 150px;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-smooth);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

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

.lang-dropdown li {
    padding: 0;
}

.lang-dropdown li a {
    display: block;
    padding: 10px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-smooth);
    font-size: 14px;
}

.lang-dropdown li a:hover {
    background: rgba(0, 217, 255, 0.1);
    color: var(--neon-cyan);
}

.lang-dropdown li a.active {
    color: var(--neon-cyan);
    background: rgba(0, 217, 255, 0.15);
}

.lang-dropdown li a::after {
    display: none;
}

.btn-primary {
    background: var(--gradient-primary);
    padding: 10px 25px;
    border-radius: 25px;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.4);
}

/* ===== Mobile Menu Toggle ===== */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    background: rgba(0, 217, 255, 0.1);
    border: 2px solid var(--neon-cyan);
    border-radius: 8px;
    cursor: pointer;
    padding: 12px;
    width: 44px;
    height: 44px;
    z-index: 1001;
    transition: var(--transition-smooth);
}

.mobile-menu-toggle:hover {
    background: rgba(0, 217, 255, 0.2);
    box-shadow: 0 0 15px rgba(0, 217, 255, 0.5);
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--neon-cyan);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active {
    background: rgba(168, 85, 247, 0.2);
    border-color: var(--neon-purple);
}

.mobile-menu-toggle.active span {
    background: var(--neon-purple);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(168, 85, 247, 0.15) 0%, transparent 70%),
                radial-gradient(ellipse at top right, rgba(0, 217, 255, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at bottom left, rgba(217, 70, 239, 0.15) 0%, transparent 50%);
    z-index: 0;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(0, 217, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 217, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.3) 0%, transparent 70%);
    filter: blur(60px);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 40px 20px;
}

.hero-title {
    font-size: 56px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.highlight-text {
    color: var(--neon-cyan);
    text-shadow: 0 0 20px rgba(0, 217, 255, 0.5);
}

.hero-subtitle {
    font-size: 20px;
    color: var(--neon-pink);
    margin-bottom: 40px;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.btn-hero {
    background: var(--gradient-primary);
    color: white;
    padding: 18px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    transition: var(--transition-smooth);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.3);
}

.btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 217, 255, 0.5);
}

.btn-hero-outline {
    background: transparent;
    color: var(--neon-cyan);
    padding: 18px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    border: 2px solid var(--neon-cyan);
    transition: var(--transition-smooth);
}

.btn-hero-outline:hover {
    background: rgba(0, 217, 255, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.3);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    animation: fadeInUp 1s ease-out 0.6s both;
}

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

.stat-number {
    font-size: 48px;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ===== Section Title ===== */
.section-title {
    font-size: 42px;
    font-weight: 900;
    text-align: center;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 50px;
}

/* ===== Pain Points Section ===== */
.pain-points {
    padding: var(--section-padding);
    background: linear-gradient(180deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.pain-card {
    background: rgba(37, 42, 74, 0.5);
    border: 1px solid rgba(0, 217, 255, 0.2);
    border-radius: 15px;
    padding: 30px;
    transition: var(--transition-smooth);
}

.pain-card:hover {
    transform: translateY(-5px);
    border-color: var(--neon-cyan);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.2);
}

.pain-card.danger {
    border-color: rgba(255, 165, 0, 0.3);
}

.pain-card.danger:hover {
    border-color: rgba(255, 165, 0, 0.8);
    box-shadow: 0 10px 30px rgba(255, 165, 0, 0.2);
}

.pain-card.critical {
    border-color: rgba(255, 0, 100, 0.3);
}

.pain-card.critical:hover {
    border-color: rgba(255, 0, 100, 0.8);
    box-shadow: 0 10px 30px rgba(255, 0, 100, 0.2);
}

.pain-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.pain-card h3 {
    font-size: 22px;
    margin-bottom: 10px;
    color: var(--neon-cyan);
}

.pain-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.core-need {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    background: rgba(255, 0, 100, 0.1);
    border: 2px solid rgba(255, 0, 100, 0.4);
    border-radius: 50px;
    padding: 20px 40px;
    margin: 0 auto;
    max-width: 600px;
}

.need-icon {
    font-size: 30px;
}

.need-text {
    font-size: 20px;
    font-weight: 700;
    color: #ff0064;
}

/* ===== Solution Comparison ===== */
.solution-comparison {
    padding: var(--section-padding);
    background: var(--secondary-dark);
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.solution-card {
    background: rgba(37, 42, 74, 0.5);
    border: 2px solid rgba(0, 217, 255, 0.2);
    border-radius: 20px;
    padding: 40px;
    position: relative;
    transition: var(--transition-smooth);
}

.solution-card.featured {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 40px rgba(0, 217, 255, 0.3);
}

.featured-badge {
    position: absolute;
    top: -15px;
    right: 30px;
    background: var(--gradient-primary);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
}

.solution-card h3 {
    font-size: 28px;
    margin-bottom: 30px;
    color: var(--text-primary);
}

.solution-card.ai-infra h3 {
    background: var(--gradient-cyan-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.solution-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.step {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    border-left: 3px solid var(--neon-cyan);
}

.step-icon {
    font-size: 24px;
}

.step p {
    color: var(--text-secondary);
    margin: 0;
}

.solution-time {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    border-radius: 15px;
    margin-top: 20px;
}

.solution-time.traditional-time {
    background: rgba(255, 165, 0, 0.1);
    border: 2px solid rgba(255, 165, 0, 0.3);
}

.solution-time.ai-time {
    background: rgba(0, 217, 255, 0.1);
    border: 2px solid var(--neon-cyan);
}

.time-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.time-value {
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 10px;
}

.solution-time.traditional-time .time-value {
    color: #ffa500;
}

.solution-time.ai-time .time-value {
    color: var(--neon-cyan);
}

.time-badge {
    background: var(--gradient-primary);
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 14px;
    font-weight: 700;
}

/* Tech Difference */
.tech-difference {
    background: rgba(37, 42, 74, 0.5);
    border: 1px solid rgba(0, 217, 255, 0.2);
    border-radius: 20px;
    padding: 40px;
}

.tech-difference h3 {
    font-size: 28px;
    margin-bottom: 30px;
    text-align: center;
    color: var(--neon-cyan);
}

.tech-bars {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 20px;
}

.tech-bar {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.bar-label {
    font-size: 16px;
    color: var(--text-secondary);
}

.bar-container {
    background: rgba(0, 0, 0, 0.4);
    border-radius: 10px;
    height: 50px;
    overflow: hidden;
    position: relative;
}

.bar-fill {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: width 2s ease-out;
    font-weight: 700;
}

.traditional-fill {
    background: linear-gradient(90deg, #ff8800 0%, #ffa500 100%);
}

.ai-fill {
    background: var(--gradient-cyan-purple);
}

.tech-note {
    text-align: center;
    color: var(--neon-pink);
    font-size: 16px;
    font-weight: 500;
    margin-top: 20px;
}

/* ===== Benefits Section ===== */
.benefits {
    padding: var(--section-padding);
    background: var(--primary-dark);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.benefit-card {
    background: rgba(37, 42, 74, 0.5);
    border: 2px solid rgba(168, 85, 247, 0.3);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    transition: var(--transition-smooth);
}

.benefit-card:hover {
    transform: translateY(-10px);
    border-color: var(--neon-purple);
    box-shadow: 0 20px 50px rgba(168, 85, 247, 0.4);
}

.benefit-icon {
    font-size: 60px;
    margin-bottom: 20px;
}

.benefit-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--neon-purple);
}

.benefit-card p {
    color: var(--text-secondary);
    font-size: 16px;
}

/* ===== Free Tier Section ===== */
.free-tier {
    padding: var(--section-padding);
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.1) 0%, rgba(217, 70, 239, 0.1) 100%);
    border-top: 2px solid rgba(168, 85, 247, 0.3);
    border-bottom: 2px solid rgba(168, 85, 247, 0.3);
}

.free-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.free-content h2 {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 20px;
}

.highlight-free {
    color: var(--neon-cyan);
    text-shadow: 0 0 30px rgba(0, 217, 255, 0.6);
}

.free-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.free-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.free-feature {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    font-size: 20px;
    color: var(--neon-cyan);
}

.check-icon {
    font-size: 24px;
    font-weight: 900;
}

.free-note {
    font-size: 16px;
    color: var(--text-secondary);
    font-style: italic;
}

/* ===== Pricing Section ===== */
.pricing {
    padding: var(--section-padding);
    background: var(--secondary-dark);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.pricing-card {
    background: rgba(37, 42, 74, 0.5);
    border: 2px solid rgba(0, 217, 255, 0.2);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    transition: var(--transition-smooth);
}

.pricing-card:hover {
    transform: translateY(-10px);
    border-color: var(--neon-cyan);
    box-shadow: 0 20px 50px rgba(0, 217, 255, 0.3);
}

.pricing-icon {
    font-size: 60px;
    margin-bottom: 20px;
}

.pricing-card h3 {
    font-size: 26px;
    margin-bottom: 15px;
    color: var(--neon-cyan);
}

.pricing-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.pricing-badge {
    background: var(--gradient-secondary);
    padding: 10px 20px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 14px;
}

/* ===== Architecture Section ===== */
.architecture {
    padding: var(--section-padding);
    background: var(--primary-dark);
}

.arch-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 30px;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.arch-card {
    background: rgba(37, 42, 74, 0.5);
    border: 2px solid rgba(0, 217, 255, 0.3);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    transition: var(--transition-smooth);
}

.arch-card:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 50px rgba(0, 217, 255, 0.3);
}

.arch-card.edge {
    border-color: var(--neon-purple);
}

.arch-card.core {
    border-color: var(--neon-cyan);
}

.arch-card h3 {
    font-size: 28px;
    margin-bottom: 15px;
}

.arch-card .subtitle {
    font-size: 16px;
    color: var(--text-secondary);
}

.arch-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-top: 15px;
}

.arch-arrow {
    font-size: 48px;
    color: var(--neon-cyan);
}

/* ===== FAQ Section ===== */
.faq {
    padding: var(--section-padding);
    background: var(--secondary-dark);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.faq-card {
    background: rgba(37, 42, 74, 0.5);
    border: 1px solid rgba(168, 85, 247, 0.3);
    border-radius: 15px;
    padding: 30px;
    transition: var(--transition-smooth);
}

.faq-card:hover {
    border-color: var(--neon-purple);
    box-shadow: 0 10px 30px rgba(168, 85, 247, 0.3);
}

.faq-question {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 15px;
}

.faq-icon {
    background: var(--gradient-secondary);
    padding: 8px 15px;
    border-radius: 10px;
    font-weight: 900;
    flex-shrink: 0;
}

.faq-question h3 {
    font-size: 20px;
    color: var(--neon-cyan);
}

.faq-answer {
    color: var(--text-secondary);
    line-height: 1.6;
    padding-left: 56px;
}

/* ===== Value Proposition ===== */
.value-prop {
    padding: var(--section-padding);
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
}

.value-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.value-content h2 {
    font-size: 42px;
    font-weight: 900;
    margin-bottom: 40px;
    line-height: 1.4;
}

.value-grid {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

.value-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.value-icon {
    font-size: 48px;
}

.value-item span:last-child {
    font-size: 18px;
    font-weight: 600;
    color: var(--neon-cyan);
}

/* ===== CTA Section ===== */
.cta {
    padding: 100px 0;
    background: var(--secondary-dark);
    text-align: center;
}

.cta-content h2 {
    font-size: 42px;
    font-weight: 900;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-content > p {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.btn-cta {
    background: var(--gradient-primary);
    color: white;
    padding: 20px 50px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 18px;
    transition: var(--transition-smooth);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.3);
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 217, 255, 0.5);
}

.btn-cta-outline {
    background: transparent;
    color: var(--neon-cyan);
    padding: 20px 50px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 18px;
    border: 2px solid var(--neon-cyan);
    transition: var(--transition-smooth);
}

.btn-cta-outline:hover {
    background: rgba(0, 217, 255, 0.1);
    transform: translateY(-3px);
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    color: var(--text-secondary);
}

.contact-icon {
    font-size: 20px;
}

/* ===== Footer ===== */
.footer {
    background: var(--primary-dark);
    border-top: 1px solid rgba(0, 217, 255, 0.2);
    padding: 60px 0 30px;
}

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

.footer-logo h3 {
    font-size: 28px;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.footer-logo p {
    color: var(--text-secondary);
}

.footer-contact {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-contact .contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 14px;
}

.footer-contact .contact-item a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-contact .contact-item a:hover {
    color: var(--neon-cyan);
}

.footer-contact .contact-icon {
    font-size: 18px;
}

.footer-column h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--neon-cyan);
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-column ul li a:hover {
    color: var(--neon-cyan);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(0, 217, 255, 0.1);
    color: var(--text-muted);
}

/* ===== Responsive Design ===== */
@media (max-width: 968px) {
    .hero-title {
        font-size: 42px;
    }

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

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

    .arch-arrow {
        transform: rotate(90deg);
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }

    /* Mobile Menu Styles */
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(10, 14, 39, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: all 0.3s ease;
        border-bottom: 1px solid rgba(0, 217, 255, 0.2);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    }

    .nav-menu.active {
        max-height: 500px;
        opacity: 1;
    }

    .nav-menu li {
        width: 100%;
        text-align: center;
        padding: 15px 0;
        border-bottom: 1px solid rgba(0, 217, 255, 0.1);
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .nav-menu a {
        display: block;
        width: 100%;
    }

    /* Language selector stays visible on mobile */
    .language-selector {
        position: relative;
    }

    .lang-dropdown {
        right: 0;
        left: auto;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 32px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }

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

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

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

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

    .hero-cta {
        flex-direction: column;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}