:root {
    --primary-50: #f0f9ff;
    --primary-100: #e0f2fe;
    --primary-500: #0ea5e9;
    --primary-600: #0284c7;
    --primary-700: #0369a1;
    --primary-800: #075985;
    
    --secondary-50: #f8fafc;
    --secondary-900: #0f172a;
    
    --accent-color: #38bdf8;
    
    --text-main: #1e293b;
    --text-muted: #64748b;
    
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 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);
}

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: var(--bg-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--secondary-900);
    letter-spacing: -0.025em;
}

/* --- Utilities --- */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-600), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-800) 0%, var(--primary-600) 100%);
}

.section-padding {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

/* --- Navbar --- */
.navbar-custom {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    padding: 1.2rem 0;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.navbar-custom.scrolled {
    padding: 0.8rem 0;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.navbar-brand {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.6rem;
    color: var(--secondary-900) !important;
    letter-spacing: -0.04em;
    transition: transform 0.3s ease;
}

.navbar-brand:hover {
    transform: scale(1.02);
}

.navbar-brand i {
    color: var(--primary-600);
}

.nav-link {
    font-weight: 600;
    color: var(--text-muted) !important;
    padding: 0.6rem 1.2rem !important;
    transition: all 0.3s ease;
    border-radius: 0.5rem;
    font-size: 0.95rem;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-700) !important;
    background-color: rgba(14, 165, 233, 0.08);
}

.navbar-toggler {
    border: none;
    padding: 0.5rem;
    background-color: var(--bg-light);
    border-radius: 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: none;
    background-color: var(--primary-50);
}

.btn-custom-primary {
    background-color: var(--primary-600);
    color: white;
    padding: 0.75rem 1.75rem;
    border-radius: 50rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    box-shadow: 0 4px 6px -1px rgba(2, 132, 199, 0.2);
}

.btn-custom-primary:hover {
    background-color: var(--primary-700);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(2, 132, 199, 0.3);
    color: white;
}

.btn-custom-outline {
    background-color: transparent;
    color: var(--primary-700);
    border: 2px solid var(--primary-100);
    padding: 0.75rem 1.75rem;
    border-radius: 50rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-custom-outline:hover {
    border-color: var(--primary-600);
    background-color: var(--primary-50);
    color: var(--primary-800);
}

/* --- Animations --- */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translate3d(0, 40px, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }

/* --- Hero Section --- */
.hero-modern {
    position: relative;
    padding-top: 10rem;
    padding-bottom: 8rem;
    overflow: hidden;
    background: radial-gradient(circle at top right, rgba(14, 165, 233, 0.05), transparent 40%),
                radial-gradient(circle at bottom left, rgba(14, 165, 233, 0.05), transparent 40%);
}

.hero-bg-shape {
    position: absolute;
    top: -10%;
    right: -5%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.08) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
    z-index: -1;
    filter: blur(60px);
}

.hero-image-wrapper {
    position: relative;
    z-index: 1;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255,255,255,0.2);
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
    transition: transform 0.5s ease;
}

.hero-image-wrapper:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

/* --- Features --- */
.feature-card-modern {
    background: white;
    padding: 2.5rem;
    border-radius: 1.5rem;
    border: 1px solid rgba(241, 245, 249, 0.8);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    height: 100%;
}

.feature-card-modern:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.01);
    border-color: rgba(14, 165, 233, 0.3);
}

.icon-box {
    width: 64px;
    height: 64px;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    background: var(--primary-50);
    color: var(--primary-600);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.icon-box::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.4), rgba(255,255,255,0));
    opacity: 0;
    transition: opacity 0.3s;
}

.feature-card-modern:hover .icon-box {
    background: var(--primary-600);
    color: white;
    transform: scale(1.1) rotate(3deg);
    box-shadow: 0 10px 15px -3px rgba(14, 165, 233, 0.3);
}

/* --- Trust/Logos --- */
.trust-section {
    background-color: white;
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
}

.logo-scroller {
    opacity: 0.4;
    filter: grayscale(100%);
    transition: all 0.4s ease;
    transform: scale(0.95);
}

.logo-scroller:hover {
    opacity: 1;
    filter: grayscale(0%);
    transform: scale(1.05);
}

/* --- Pricing --- */
.pricing-card-modern {
    background: white;
    border-radius: 1.5rem;
    padding: 3rem 2rem;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.pricing-card-modern.popular {
    border: 2px solid var(--primary-500);
    box-shadow: var(--shadow-xl);
}

.pricing-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--primary-100);
    color: var(--primary-700);
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.price-tag {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--secondary-900);
    line-height: 1;
}

.price-period {
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 500;
}

.check-list li {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.check-list i {
    color: var(--primary-600);
    margin-right: 0.75rem;
    font-size: 1.1rem;
}

/* --- Footer --- */
.footer-modern {
    background-color: var(--secondary-900);
    color: #94a3b8;
    padding-top: 5rem;
    padding-bottom: 2rem;
}

.footer-heading {
    color: white;
    font-weight: 700;
    margin-bottom: 1.5rem;
    font-family: var(--font-heading);
}

.footer-link {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.2s;
    display: block;
    margin-bottom: 0.75rem;
}

.footer-link:hover {
    color: white;
}