/* Design Tokens / Variables */
:root {
    --cls-primary: #1e1b4b; /* Royal Deep Navy indigo */
    --cls-accent: #7c3aed;  /* Rich Premium Violet */
    --cls-accent-light: #f5f3ff;
    --cls-text-main: #1f2937;
    --cls-text-muted: #6b7280;
    --cls-bg-main: #fcfcfd;
    --cls-bg-card: #ffffff;
    --cls-border: #e5e7eb;
    --cls-font: 'Plus Jakarta Sans', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--cls-font);
    color: var(--cls-text-main);
    background-color: var(--cls-bg-main);
    line-height: 1.6;
}

.container {
    width: 92%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Navigation / Navbar */
header {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,0.04);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
}

.brand-name {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.75px;
    color: var(--cls-primary);
}

.brand-name .accent {
    color: var(--cls-accent);
}

nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 36px;
}

nav ul li a {
    text-decoration: none;
    color: var(--cls-text-muted);
    font-weight: 600;
    font-size: 14px;
    transition: color 0.25s ease;
}

nav ul li a:hover {
    color: var(--cls-accent);
}

.btn-nav {
    background-color: var(--cls-primary);
    color: #ffffff !important;
    padding: 10px 20px;
    border-radius: 8px;
    transition: background-color 0.25s, transform 0.25s !important;
}

.btn-nav:hover {
    background-color: var(--cls-accent);
    transform: translateY(-1px);
}

/* Hero Section Base */
.hero {
    position: relative;
    padding: 140px 0 160px 0;
    text-align: center;
    background: radial-gradient(120% 120% at 50% 10%, #ffffff 40%, #f3f0ff 100%);
    overflow: hidden;
}

.hero-bg-accent {
    position: absolute;
    width: 500px;
    height: 500px;
    top: -150px;
    left: 50%;
    transform: translateX(-50%);
    background: radial-gradient(circle, rgba(124,58,237,0.06) 0%, rgba(255,255,255,0) 70%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.badge-hero {
    display: inline-block;
    padding: 6px 14px;
    background-color: var(--cls-accent-light);
    color: var(--cls-accent);
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.75px;
    border-radius: 30px;
    margin-bottom: 24px;
    border: 1px solid rgba(124,58,237,0.15);
}

.hero-content h1 {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.15;
    color: var(--cls-primary);
    letter-spacing: -1.5px;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(90deg, var(--cls-accent), #4f46e5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 19px;
    color: #4b5563;
    max-width: 760px;
    margin: 0 auto 44px auto;
    font-weight: 400;
}

/* Universal Button Elements */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary {
    background-color: var(--cls-accent);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(124, 58, 237, 0.25);
}

.btn-primary:hover {
    background-color: #6d28d9;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.35);
}

.btn-secondary {
    background-color: #ffffff;
    color: var(--cls-primary);
    border: 1px solid var(--cls-border);
    margin-left: 16px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.02);
}

.btn-secondary:hover {
    background-color: #f9fafb;
    border-color: #d1d5db;
    transform: translateY(-2px);
}

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

/* Sections Configuration */
.section-title {
    text-align: center;
    margin-bottom: 70px;
}

.sub-title {
    display: block;
    color: var(--cls-accent);
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 12px;
}

.section-title h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--cls-primary);
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.section-title p {
    color: var(--cls-text-muted);
    font-size: 17px;
    max-width: 620px;
    margin: 0 auto;
}

/* Services / Features Matrix */
.services-section {
    padding: 120px 0;
    background-color: #ffffff;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--cls-bg-card);
    padding: 45px 35px;
    border-radius: 12px;
    border: 1px solid #f0f2f5;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(30, 27, 75, 0.04);
    border-color: rgba(124, 58, 237, 0.2);
}

.service-icon-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 10px;
    background-color: var(--cls-accent-light);
    color: var(--cls-accent);
    margin-bottom: 26px;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--cls-primary);
    margin-bottom: 14px;
    letter-spacing: -0.3px;
}

.service-card p {
    color: var(--cls-text-muted);
    font-size: 15px;
    line-height: 1.6;
}

/* Pricing Model Component */
.pricing-section {
    padding: 120px 0;
    background-color: #f9fafb;
    border-top: 1px solid var(--cls-border);
    border-bottom: 1px solid var(--cls-border);
}

.pricing-card {
    background: #ffffff;
    max-width: 480px;
    margin: 0 auto;
    padding: 50px 45px;
    border-radius: 16px;
    border: 1px solid var(--cls-border);
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
    overflow: hidden;
}

.card-header-accent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--cls-accent), #4f46e5);
}

.pricing-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--cls-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.price {
    font-size: 64px;
    font-weight: 800;
    color: var(--cls-primary);
    letter-spacing: -2px;
    margin-bottom: 16px;
}

.price sup {
    font-size: 32px;
    top: -0.4em;
    font-weight: 700;
    color: var(--cls-accent);
}

.price span {
    font-size: 18px;
    color: var(--cls-text-muted);
    font-weight: 500;
    letter-spacing: 0;
}

.pricing-desc {
    color: #4b5563;
    margin-bottom: 32px;
    font-size: 15px;
}

.divider {
    height: 1px;
    background-color: var(--cls-border);
    margin-bottom: 32px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 40px;
}

.pricing-features li {
    margin-bottom: 16px;
    color: #4b5563;
    font-size: 15px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
}

.pricing-features li::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--cls-accent);
}

/* Contact / Call-To-Action Element */
.contact-section {
    padding: 120px 0;
    background-color: #ffffff;
}

.contact-box {
    background-color: var(--cls-primary);
    background-image: radial-gradient(at 100% 0%, rgba(124,58,237,0.3) 0px, transparent 50%), radial-gradient(at 0% 100%, rgba(79,70,229,0.2) 0px, transparent 50%);
    color: #ffffff;
    padding: 80px 50px;
    border-radius: 20px;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    box-shadow: 0 20px 40px rgba(30,27,75,0.15);
}

.contact-subtitle {
    display: block;
    color: #a78bfa;
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
}

.contact-box h2 {
    font-size: 38px;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 20px;
}

.contact-box p {
    color: #cbd5e1;
    max-width: 580px;
    margin: 0 auto 40px auto;
    font-size: 17px;
}

.email-wrapper {
    display: inline-block;
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background-color: #ffffff;
    color: var(--cls-primary);
    text-decoration: none;
    padding: 16px 36px;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: transform 0.25s, box-shadow 0.25s;
}

.contact-email:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    color: var(--cls-accent);
}

/* Footer Section */
footer {
    background-color: #0f172a;
    color: #64748b;
    padding: 40px 0;
    text-align: center;
    font-size: 14px;
    border-top: 1px solid #1e293b;
    font-weight: 500;
}

/* Responsive Adaptive Adjustments */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 24px;
    }
    nav ul {
        gap: 24px;
    }
    .hero {
        padding: 100px 0;
    }
    .hero-content h1 {
        font-size: 36px;
    }
    .hero-buttons {
        display: flex;
        flex-direction: column;
        gap: 16px;
        align-items: center;
    }
    .btn {
        width: 100%;
        max-width: 340px;
    }
    .btn-secondary {
        margin-left: 0;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .contact-box {
        padding: 50px 24px;
    }
    .contact-box h2 {
        font-size: 28px;
    }
}