/* CSS Variables */
:root {
    --primary: #0066FF;
    --primary-dark: #0052CC;
    --secondary: #1A1A2E;
    --accent: #00D4AA;
    --text: #1A1A2E;
    --text-light: #6B7280;
    --bg: #FFFFFF;
    --bg-alt: #F8FAFC;
    --bg-dark: #0F172A;
    --border: #E5E7EB;
    --success: #10B981;
    --warning: #F59E0B;
    --gradient-primary: linear-gradient(135deg, #0066FF 0%, #00D4AA 100%);
    --gradient-dark: linear-gradient(135deg, #1A1A2E 0%, #0F172A 100%);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --radius: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--text);
}

h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); }
h2 { font-size: clamp(2rem, 4vw, 2.75rem); }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text);
}

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

.btn-large {
    padding: 16px 32px;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    font-weight: 700;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-light);
    transition: var(--transition);
}

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

.nav-links .btn {
    margin-left: 8px;
}

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

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

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #F0F7FF 0%, #E8F4F8 50%, #F5F3FF 100%);
    z-index: -1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(0,102,255,0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0,212,170,0.05) 0%, transparent 50%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero h1 {
    margin-bottom: 24px;
}

.hero .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 32px;
    color: var(--text-light);
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}

.hero-notice {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background: white;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    font-size: 0.9rem;
    color: var(--text-light);
}

.notice-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--accent);
}

.hero-visual {
    position: relative;
}

.hero-image {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

/* Trust Bar */
.trust-bar {
    padding: 40px 0;
    background: white;
    border-bottom: 1px solid var(--border);
}

.trust-bar .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.trust-bar p {
    font-size: 0.9rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.trust-logos {
    display: flex;
    gap: 48px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

.trust-logo {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-light);
    opacity: 0.5;
}

/* Section Styles */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(0,102,255,0.1);
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 100px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.1rem;
}

/* Services Section */
.services {
    background: var(--bg-alt);
}

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

.service-card {
    background: white;
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.service-icon {
    width: 48px;
    height: 48px;
    background: rgba(0,102,255,0.1);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.service-card h3 {
    margin-bottom: 12px;
    font-size: 1.25rem;
}

.service-card p {
    margin-bottom: 16px;
    font-size: 0.95rem;
}

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

.service-features li {
    padding: 6px 0;
    font-size: 0.9rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-features li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

/* Disclaimer Banner */
.disclaimer-banner {
    background: var(--bg-dark);
    padding: 40px 0;
}

.disclaimer-content {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.disclaimer-icon {
    width: 32px;
    height: 32px;
    color: var(--accent);
    flex-shrink: 0;
}

.disclaimer-text strong {
    display: block;
    color: white;
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.disclaimer-text p {
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Approach Section */
.approach .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.approach-content {
    max-width: 500px;
}

.approach-content h2 {
    margin-bottom: 20px;
}

.approach-content > p {
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.approach-features {
    display: grid;
    gap: 24px;
}

.approach-feature {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 16px;
}

.feature-number {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: white;
    font-weight: 700;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
}

.approach-feature h4 {
    margin-bottom: 4px;
}

.approach-feature p {
    font-size: 0.9rem;
    grid-column: 2;
}

.approach-image {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

/* Tech Stack */
.tech-stack {
    background: var(--bg-alt);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.tech-item {
    background: white;
    padding: 24px;
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.tech-item:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.tech-name {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
}

.tech-desc {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* About Section */
.about .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-content h2 {
    margin-bottom: 24px;
}

.about-content p {
    margin-bottom: 16px;
    font-size: 1.05rem;
}

.about-stats {
    display: flex;
    justify-content: flex-start;
    gap: 24px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}

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

.about-img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

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

.contact .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-content h2 {
    margin-bottom: 16px;
}

.contact-content > p {
    margin-bottom: 32px;
    font-size: 1.1rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.1rem;
}

.contact-item svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.contact-item a:hover {
    color: var(--primary);
}

.contact-form-wrapper {
    background: white;
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0,102,255,0.1);
}

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

/* Footer */
.footer {
    background: var(--bg-dark);
    padding: 80px 0 40px;
    color: rgba(255,255,255,0.7);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand .logo-text {
    color: white;
}

.footer-brand p {
    color: rgba(255,255,255,0.6);
    margin-bottom: 16px;
}

.footer-disclaimer {
    font-size: 0.85rem;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-links h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 1rem;
}

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

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

.footer-links a {
    color: rgba(255,255,255,0.6);
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tech-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .hero .container,
    .approach .container,
    .about .container,
    .contact .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-lg);
    }

    .nav-links.active {
        display: flex;
    }

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

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

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

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

    .about-stats {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .disclaimer-content {
        flex-direction: column;
        text-align: center;
    }

    .approach-feature {
        grid-template-columns: 1fr;
    }

    .approach-feature p {
        grid-column: 1;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    section {
        padding: 60px 0;
    }

    .service-card {
        padding: 24px;
    }

    .contact-form-wrapper {
        padding: 24px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.hero-visual {
    animation: fadeInUp 0.8s ease forwards;
}

.hero-visual {
    animation-delay: 0.2s;
}