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

:root {
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --bg: #f8fafc;
    --bg-card: #ffffff;
    --text: #0f172a;
    --text-muted: #64748b;
    --border: #e2e8f0;
}

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    scroll-behavior: smooth;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.header-scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.logo-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.logo sup {
    font-size: 0.6em;
    vertical-align: super;
}

.nav { 
    display: flex; 
    gap: 2.5rem; 
    align-items: center;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s;
}

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

.burger-menu {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.burger-menu span {
    width: 25px;
    height: 3px;
    background: var(--text);
    border-radius: 3px;
    transition: all 0.3s;
}

.burger-active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.burger-active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.2s;
    border: 2px solid transparent;
    min-height: 44px;
    min-width: 44px;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary);
    color: white;
}
.btn-primary:hover { background: var(--primary-dark); }

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

.header .btn {
    background: var(--text);
    color: white;
    padding: 0.6rem 1.25rem;
}

.hero {
    padding: 10rem 0 6rem;
    text-align: center;
}

.eyebrow {
    display: inline-block;
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 650px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

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

.stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.hero-buttons { 
    display: flex; 
    gap: 1rem; 
    justify-content: center;
    flex-wrap: wrap;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.features, .plans, .faq { padding: 6rem 0; }

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    letter-spacing: -0.02em;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}

.feature-card .icon { font-size: 2rem; margin-bottom: 1rem; }
.feature-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.feature-card p { font-size: 0.9rem; color: var(--text-muted); }

.plans { background: #f1f5f9; }

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

.plan-card {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    position: relative;
}

.plan-card.featured {
    border-color: var(--primary);
    transform: scale(1.05);
    box-shadow: 0 30px 60px rgba(14, 165, 233, 0.2);
}

.plan-card .badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.plan-card h3 { font-size: 1.25rem; margin-bottom: 1rem; }
.plan-card .price {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}
.plan-card .price span { font-size: 1rem; color: var(--text-muted); }

.plan-card ul {
    list-style: none;
    margin-bottom: 2rem;
}
.plan-card ul li {
    padding: 0.5rem 0;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}
.plan-card ul li:last-child { border: none; }

.faq-list { 
    max-width: 800px; 
    margin: 0 auto; 
}

.faq-item {
    border-bottom: 1px solid var(--border);
    margin-bottom: 0.5rem;
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    color: var(--text);
    padding: 1.5rem 0;
    text-align: left;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.05rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    transition: color 0.3s;
}

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

.faq-arrow {
    color: var(--primary);
    font-size: 0.9rem;
    transition: transform 0.3s;
    flex-shrink: 0;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.faq-active .faq-answer {
    max-height: 500px;
    padding-bottom: 1.5rem;
}

.faq-answer p {
    color: var(--text-muted);
    line-height: 1.7;
    padding-top: 0.5rem;
}

.footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--border);
}

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

/* Philosophy Section */
.philosophy-section {
    padding: 6rem 0;
    background: #f1f5f9;
}

.philosophy-content {
    max-width: 900px;
    margin: 0 auto;
}

.philosophy-lead {
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: 600;
    text-align: center;
    margin-bottom: 2rem;
}

.philosophy-text {
    margin-bottom: 3rem;
}

.philosophy-text p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    line-height: 1.8;
}

.philosophy-principles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.principle {
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s;
}

.principle.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.principle-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.principle h3 {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.principle p {
    color: var(--text-muted);
    line-height: 1.7;
}

/* Technology Section */
.technology-section {
    padding: 6rem 0;
}

.section-intro {
    text-align: center;
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.tech-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s;
    opacity: 0;
    transform: translateY(20px);
}

.tech-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.tech-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.tech-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.tech-card h3 {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.tech-card p {
    color: var(--text-muted);
    line-height: 1.7;
}

/* Locations Section */
.locations-section {
    padding: 6rem 0;
    background: #f1f5f9;
}

.locations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.location-group {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
}

.location-group h3 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    text-align: left;
}

.location-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.location-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(14, 165, 233, 0.1);
    border: 1px solid rgba(14, 165, 233, 0.2);
    border-radius: 8px;
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Pricing Section */
.pricing-section {
    padding: 6rem 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    position: relative;
    transition: all 0.3s;
    opacity: 0;
    transform: translateY(20px);
}

.pricing-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.pricing-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.pricing-card.featured {
    border-color: var(--primary);
    transform: scale(1.05);
    box-shadow: 0 30px 60px rgba(14, 165, 233, 0.2);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.pricing-amount {
    margin-bottom: 2rem;
}

.price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text);
}

.currency {
    font-size: 1.25rem;
    color: var(--text-muted);
}

.period {
    font-size: 0.9rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
    text-align: left;
}

.pricing-features li {
    padding: 0.75rem 0;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    font-size: 0.95rem;
}

.pricing-features li:last-child {
    border: none;
}

.pricing-btn {
    display: block;
    width: 100%;
    padding: 1rem;
    background: transparent;
    border: 2px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s;
}

.pricing-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.pricing-btn.primary {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.pricing-btn.primary:hover {
    background: var(--primary-dark);
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    color: white;
    margin-bottom: 1rem;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* Footer */
.footer {
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border);
    background: #f1f5f9;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-brand {
    margin-bottom: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--text-muted);
    line-height: 1.7;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-column h4 {
    color: var(--text);
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.footer-column p {
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.footer-column a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s;
}

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

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

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

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

.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* Responsive */
@media (max-width: 768px) {
    .burger-menu {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        transform: translateX(-100%);
        transition: transform 0.3s;
        border-bottom: 1px solid var(--border);
    }

    .nav-active {
        transform: translateX(0);
    }

    .hero h1 { 
        font-size: 2.5rem; 
    }

    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

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

    .pricing-card.featured {
        transform: none;
    }

    .philosophy-principles {
        grid-template-columns: 1fr;
    }

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

    .btn-lg {
        width: 100%;
    }

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

@media (max-width: 480px) {
    .hero {
        padding: 8rem 0 4rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    section {
        padding: 4rem 0;
    }

    .container {
        padding: 0 1rem;
    }
}