/* ===== ROOT VARIABLES - MODERN TEAL THEME ===== */
:root {
    /* Colors - Modern Tech Theme */
    --primary: #4fd1c5;
    --primary-dark: #38b2ac;
    --primary-light: #81e6d9;
    --primary-gradient: linear-gradient(135deg, #4fd1c5 0%, #38b2ac 100%);
    
    --secondary: #0f172a;
    --secondary-light: #1e293b;
    --accent: #818cf8;
    --accent-gradient: linear-gradient(135deg, #818cf8 0%, #6366f1 100%);
    
    --text-primary: #334155;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-gradient: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    
    --border: #e2e8f0;
    --border-dark: #cbd5e1;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --line-height: 1.6;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    --spacing-3xl: 96px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
    --shadow-glow: 0 0 40px rgba(79, 209, 197, 0.3);
    
    /* Container */
    --max-width: 1200px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: var(--line-height);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--secondary);
    letter-spacing: -0.02em;
}

h1 { font-size: 48px; }
h2 { font-size: 36px; }
h3 { font-size: 24px; }
h4 { font-size: 20px; }

p {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
}

a {
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-base);
}

ul {
    list-style: none;
}

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

/* ===== UTILITIES ===== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
}

.section-title {
    font-size: 42px;
    margin-bottom: var(--spacing-md);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.section-cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* ===== NAVIGATION ===== */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

#navbar.scrolled {
    background: rgba(15, 23, 42, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--bg-primary);
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav-links a {
    font-size: 15px;
    font-weight: 500;
    color: #94a3b8;
    padding: 10px 18px;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    position: relative;
}

.nav-links a:hover {
    color: var(--primary);
    background: rgba(79, 209, 197, 0.1);
}

.nav-links a.active {
    color: var(--primary);
    background: rgba(79, 209, 197, 0.1);
}

.nav-cta {
    background: var(--primary-gradient) !important;
    color: var(--secondary) !important;
    font-weight: 600 !important;
    padding: 11px 26px !important;
    border-radius: var(--radius-full) !important;
    margin-left: var(--spacing-sm);
    box-shadow: var(--shadow-glow);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(79, 209, 197, 0.4);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 3px;
    background: var(--bg-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.mobile-toggle.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.mobile-toggle.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 160px 0 var(--spacing-3xl);
    background: var(--secondary);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(79, 209, 197, 0.1) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.3;
}

.hero::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(79, 209, 197, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 64px;
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: white;
}

.hero-sub {
    font-size: 20px;
    color: #cbd5e1;
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
}

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

.hero-stat-num {
    display: block;
    font-size: 40px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.hero-stat-label {
    font-size: 13px;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--secondary);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(79, 209, 197, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

.btn-lg {
    padding: 16px 40px;
    font-size: 17px;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ===== SERVICES ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.service-card {
    padding: var(--spacing-xl);
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    border-top: 4px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-top-color: var(--primary);
}

.service-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    display: block;
}

.service-card h3 {
    font-size: 22px;
    margin-bottom: var(--spacing-sm);
    color: var(--secondary);
}

.service-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== HOW IT WORKS ===== */
.how-section {
    background: var(--bg-gradient);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.step-card {
    padding: var(--spacing-xl);
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    background: var(--primary-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(79, 209, 197, 0.3);
}

.step-card h3 {
    font-size: 20px;
    margin-bottom: var(--spacing-sm);
}

.step-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== TESTIMONIALS ===== */
.testimonials-section {
    background: var(--bg-gradient);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.testimonial-card {
    padding: var(--spacing-xl);
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-lg);
    font-size: 80px;
    color: rgba(79, 209, 197, 0.1);
    font-family: Georgia, serif;
    line-height: 1;
}

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

.stars {
    color: var(--accent);
    font-size: 18px;
    margin-bottom: var(--spacing-md);
}

.quote {
    font-size: 16px;
    color: var(--text-primary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.author {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.author strong {
    font-size: 16px;
    color: var(--text-primary);
}

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

/* ===== CTA SECTION ===== */
.cta-section {
    padding: var(--spacing-3xl) 0;
}

.cta-inner {
    background: linear-gradient(135deg, var(--secondary) 0%, #1e293b 100%);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl) var(--spacing-2xl);
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.cta-inner::before {
    content: '';
    position: absolute;
    top: 50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(79, 209, 197, 0.2) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-inner h2 {
    font-size: 42px;
    margin-bottom: var(--spacing-md);
    color: white;
}

.cta-inner p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

.cta-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.cta-actions .btn-primary {
    background: var(--primary-gradient);
    color: var(--secondary);
    box-shadow: var(--shadow-glow);
}

.cta-actions .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(79, 209, 197, 0.4);
}

.cta-actions .btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.cta-actions .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

/* ===== TRUST LOGOS ===== */
.trust-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.trust-label {
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
}

.logos-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
}

.trust-logo {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-muted);
    transition: all var(--transition-base);
    opacity: 0.6;
}

.trust-logo:hover {
    color: var(--primary);
    opacity: 1;
    transform: translateY(-2px);
}

/* ===== FOOTER ===== */
footer {
    background: var(--secondary);
    color: #94a3b8;
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand {
    font-size: 24px;
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-md);
}

.footer-tagline {
    font-size: 15px;
    color: #94a3b8;
    max-width: 300px;
    line-height: 1.7;
}

.footer-col h5 {
    font-size: 13px;
    font-weight: 700;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

.footer-col a {
    display: block;
    font-size: 15px;
    color: #94a3b8;
    margin-bottom: 12px;
    transition: all var(--transition-fast);
}

.footer-col a:hover {
    color: var(--primary);
    transform: translateX(4px);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
    color: #94a3b8;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-legal a {
    color: #94a3b8;
    transition: color var(--transition-fast);
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }
    
    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 42px;
    }
    
    .hero-sub {
        font-size: 18px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .services-grid,
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 80%;
        max-width: 340px;
        background: var(--secondary);
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        padding: var(--spacing-2xl);
        gap: var(--spacing-sm);
        transition: right var(--transition-slow);
        box-shadow: var(--shadow-xl);
    }
    
    .nav-links.open {
        right: 0;
    }
    
    .nav-links a {
        font-size: 18px;
        padding: 12px 0;
        width: 100%;
    }
    
    .nav-cta {
        margin: var(--spacing-md) 0 0;
        width: 100%;
        justify-content: center;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .cta-inner {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }
    
    .cta-inner h2 {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 36px;
    }
    
    .section-title {
        font-size: 28px;
    }
}