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

:root {
    --primary-color: #000000;
    --secondary-color: #1d1d1f;
    --text-primary: #1d1d1f;
    --text-secondary: #86868b;
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f7;
    --accent: #0071e3;
    --border-color: #d2d2d7;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 44px;
}

.logo {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 400;
    transition: var(--transition);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--text-primary);
    transition: var(--transition);
}

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

.nav-cta {
    background: var(--primary-color);
    color: white !important;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    background: var(--secondary-color);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 20px;
    height: 1.5px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 20px 80px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 1200px;
    width: 100%;
    text-align: center;
    z-index: 2;
}

.hero-title {
    font-size: clamp(48px, 8vw, 120px);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.02em;
    margin-bottom: 30px;
}

.title-line {
    display: block;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.title-line:nth-child(1) {
    animation-delay: 0.1s;
}

.title-line:nth-child(2) {
    animation-delay: 0.3s;
}

.title-line:nth-child(3) {
    animation-delay: 0.5s;
}

.hero-subtitle {
    font-size: clamp(18px, 2.5vw, 24px);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 50px;
    font-weight: 400;
    line-height: 1.5;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.7s forwards;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.9s forwards;
}

.btn {
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 30px;
    transition: var(--transition);
    display: inline-block;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

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

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

.hero-visual {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    animation: float 6s ease-in-out infinite;
}

.card-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: 15%;
    animation-delay: 2s;
}

.card-3 {
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

.metric {
    font-size: 48px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.metric-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 400;
}

/* Sections */
section {
    padding: 100px 20px;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 80px;
}

.section-title {
    font-size: clamp(40px, 5vw, 64px);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
    line-height: 1.1;
}

.section-description {
    font-size: 20px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Solutions Section */
.solutions {
    background: var(--bg-secondary);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.solution-card {
    background: white;
    padding: 50px 40px;
    border-radius: 20px;
    transition: var(--transition);
    border: 1px solid transparent;
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    border-color: var(--border-color);
}

.solution-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 30px;
    color: var(--text-primary);
}

.solution-icon svg {
    width: 100%;
    height: 100%;
}

.solution-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.solution-card p {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Technology Section */
.technology {
    background: var(--bg-primary);
}

.tech-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.tech-description {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
}

.tech-features {
    list-style: none;
}

.tech-features li {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    align-items: flex-start;
}

.feature-icon {
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    margin-top: 2px;
}

.tech-features strong {
    display: block;
    font-size: 18px;
    margin-bottom: 6px;
    font-weight: 600;
}

.tech-features p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.5;
}

.tech-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    width: 100%;
    max-width: 400px;
}

.tech-item {
    aspect-ratio: 1;
    background: var(--bg-secondary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.tech-item:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.05);
}

/* Insights Section */
.insights {
    background: var(--bg-secondary);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.metric-card {
    background: white;
    padding: 50px 40px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.metric-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.metric-value {
    font-size: 64px;
    font-weight: 700;
    color: var(--text-primary);
    display: inline-block;
    letter-spacing: -0.02em;
}

.metric-unit {
    font-size: 32px;
    font-weight: 600;
    color: var(--text-secondary);
    display: inline-block;
}

.metric-description {
    font-size: 16px;
    color: var(--text-secondary);
    margin-top: 16px;
}

/* Contact Section */
.contact {
    background: var(--bg-primary);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-description {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 50px;
    line-height: 1.6;
}

.contact-form {
    text-align: left;
}

.form-group {
    margin-bottom: 24px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    font-size: 16px;
    font-family: inherit;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--text-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn {
    width: 100%;
    text-align: center;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: 60px 20px 30px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    margin-bottom: 12px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 14px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

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

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

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

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 14px;
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(2deg);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 44px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 30px 20px;
        gap: 20px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero {
        padding: 100px 20px 60px;
    }

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

    .btn {
        width: 100%;
    }

    .floating-card {
        display: none;
    }

    .tech-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    section {
        padding: 60px 20px;
    }
}

@media (max-width: 480px) {
    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 36px;
    }

    .section-description {
        font-size: 18px;
    }
}