:root {
    /* Color Palette */
    --color-bg: #ffffff;
    --color-text: #1d1d1f;
    --color-text-muted: #86868b;
    --color-primary: #0071e3;
    --color-secondary: #f5f5f7;
    --color-accent: #000000;
    --color-white: #ffffff;
    
    /* Gradients */
    --gradient-hero: linear-gradient(135deg, #1d1d1f 0%, #434343 100%);
    --gradient-text: linear-gradient(90deg, #1d1d1f 0%, #86868b 100%);
    
    /* Spacing */
    --section-padding: 120px;
    --container-width: 1200px;
    
    /* Transitions */
    --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.3s ease;
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.72);
    --glass-border: rgba(0, 0, 0, 0.08);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3, .logo {
    font-family: 'Outfit', sans-serif;
    letter-spacing: -0.02em;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
}

/* Typography */
.hero-title {
    font-size: 84px;
    font-weight: 700;
    line-height: 1.05;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 24px;
    color: var(--color-text-muted);
    max-width: 600px;
    margin-bottom: 40px;
}

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

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 72px;
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: var(--transition-smooth);
}

.nav-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

nav.nav-scrolled {
    height: 64px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

/* Mobile Menu */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition-fast);
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--color-bg);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 40px;
        transition: var(--transition-smooth);
        z-index: 1000;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links a {
        font-size: 24px;
    }
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    text-decoration: none;
    color: var(--color-text);
    transition: var(--transition-fast);
}

.logo:hover {
    opacity: 0.8;
}

.logo span {
    font-family: 'Outfit', sans-serif;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--color-text);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition-fast);
    opacity: 0.8;
}

.nav-links a:hover {
    opacity: 1;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 99px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition-smooth);
    cursor: pointer;
}

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

.btn-primary:hover {
    transform: scale(1.05);
    background-color: #333;
}

.btn-outline {
    border: 1.5px solid var(--color-text);
    color: var(--color-text);
}

.btn-outline:hover {
    background-color: var(--color-text);
    color: var(--color-white);
}

/* Hero Section */
.hero-section {
    padding-top: 180px;
    padding-bottom: 100px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow: hidden;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.hero-visual {
    margin-top: 80px;
    width: 100%;
    max-width: 1000px;
}

.hero-mockup {
    background: var(--color-white);
    border-radius: 32px;
    padding: 20px;
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--glass-border);
}

.hero-mockup img {
    width: 100%;
    border-radius: 20px;
    display: block;
}

/* Sections */
.section {
    padding: var(--section-padding) 0;
}

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

.section-title {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 20px;
}

.section-title.light {
    color: var(--color-white);
}

.section-subtitle {
    font-size: 20px;
    color: var(--color-text-muted);
}

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

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

/* Grid System */
.grid {
    display: grid;
    gap: 32px;
}

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

/* Cards */
.card {
    background: var(--color-white);
    padding: 48px;
    border-radius: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transition: var(--transition-smooth);
    border: 1px solid var(--glass-border);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.card-icon {
    width: 48px;
    height: 48px;
    background: var(--color-secondary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--color-primary);
}

.card h3 {
    font-size: 24px;
    margin-bottom: 16px;
}

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

/* Portfolio */
.portfolio-item {
    cursor: pointer;
}

.portfolio-img {
    border-radius: 24px;
    overflow: hidden;
    aspect-ratio: 16/10;
    margin-bottom: 24px;
    background: #f5f5f7;
}

.portfolio-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-item:hover .portfolio-img img {
    transform: scale(1.1);
}

.portfolio-info h3 {
    font-size: 24px;
    margin-bottom: 4px;
}

.portfolio-info span {
    color: var(--color-text-muted);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Process Timeline */
.process-timeline {
    display: flex;
    flex-direction: column;
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.process-step {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.step-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-secondary);
    line-height: 1;
}

.step-content h3 {
    font-size: 24px;
    margin-bottom: 8px;
}

.step-content p {
    color: var(--color-text-muted);
    font-size: 18px;
}

/* Testimonials */
.overflow-hidden {
    overflow: hidden;
}

.testimonials-slider {
    padding: 40px 0;
    display: flex;
    overflow: hidden;
}

.slider-track {
    display: flex;
    gap: 32px;
    animation: scroll 40s linear infinite;
    width: max-content;
}

.slider-item {
    flex: 0 0 450px;
    max-width: 450px;
    margin: 0;
    text-align: left;
    padding: 60px 40px;
}

.slider-track:hover {
    animation-play-state: paused;
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-450px * 5 - 32px * 5)); }
}

.testimonial-card {
    background: var(--color-white);
    border-radius: 32px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--glass-border);
}

.testimonial-text {
    font-size: 24px;
    font-weight: 500;
    line-height: 1.4;
    margin-bottom: 32px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
}

.author-info {
    text-align: left;
}

.author-info strong {
    display: block;
    font-size: 18px;
}

.author-info span {
    color: var(--color-text-muted);
    font-size: 14px;
}

/* Contact */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
}

.contact-details {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-details p {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
}

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

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

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

.hny {
    position: absolute;
    left: -5000px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* Footer */
.footer {
    background: var(--color-bg);
    padding: 80px 0 40px;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 80px;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand p {
    margin-top: 20px;
    color: var(--color-text-muted);
}

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

.link-group h4 {
    margin-bottom: 24px;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.link-group ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.link-group a {
    text-decoration: none;
    color: var(--color-text-muted);
    font-size: 16px;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid var(--glass-border);
    color: var(--color-text-muted);
    font-size: 14px;
}

.legal-links {
    display: flex;
    gap: 24px;
}

.legal-links a {
    text-decoration: none;
    color: inherit;
}


/* FAQ Section */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.faq-item p {
    color: var(--color-text-muted);
    font-size: 16px;
    line-height: 1.6;
}

/* Insights Section */
.insight-card {
    background: var(--color-bg);
    padding: 40px;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
}

.insight-card:hover {
    border-color: var(--color-text);
    transform: translateY(-5px);
}

.insight-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--color-secondary);
    border-radius: 99px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
}

.insight-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
}

.insight-card p {
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

.read-more:hover {
    gap: 12px;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-title { font-size: 64px; }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .contact-wrapper { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    .section-title { font-size: 36px; }
    .hero-title { font-size: 48px; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .footer-content { flex-direction: column; gap: 40px; }
    .footer-links { flex-direction: column; gap: 40px; }
    .footer-bottom { flex-direction: column; gap: 20px; text-align: center; }
}