:root {
    /* Design Tokens - Modern Palette */
    --primary: #003366;
    --primary-light: #0056b3;
    --accent: #d4af37;
    --bg-light: #ffffff;
    --bg-alt: #f8f9fa;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --shadow-soft: 0 4px 20px rgba(0, 51, 102, 0.04);
    --shadow-heavy: 0 20px 50px rgba(0, 51, 102, 0.1);
    --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@tailwind base;
@tailwind components;
@tailwind utilities;

/* Base Reset & Typography Overrides */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-light);
}

h1,
h2,
h3,
h4,
.font-serif {
    font-family: 'Crimson Pro', serif;
}

/* Custom Utilities (Tailwind-compatible) */
.glass {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navbar */
.navbar {
    height: 110px;
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(0, 51, 102, 0.1);
    transition: var(--transition);
}

.navbar.scrolled {
    height: 90px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow);
}

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

.logo {
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.logo img {
    width: 210px;
    height: auto;
}

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

.nav-links li {
    margin-left: 2.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

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

.nav-links a:hover::after {
    width: 100%;
}

/* Buttons */
.btn-primary {
    background: var(--primary);
    color: #fff !important;
    padding: 0.9rem 2.2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    display: inline-block;
    box-shadow: 0 4px 15px rgba(0, 51, 102, 0.2);
}

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 51, 102, 0.3);
}

.btn-outline {
    border: 2px solid var(--primary);
    color: var(--primary) !important;
    padding: 0.9rem 2.2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    text-decoration: none;
}

.btn-outline:hover {
    background: var(--primary);
    color: #fff !important;
    transform: translateY(-3px);
}

/* Hero */
.hero {
    padding: 220px 0 120px;
    background: radial-gradient(circle at top right, rgba(0, 51, 102, 0.05), transparent 40%),
        radial-gradient(circle at bottom left, rgba(0, 51, 102, 0.05), transparent 40%);
    text-align: center;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 2rem;
    line-height: 1.1;
    letter-spacing: -1px;
}

.hero h1 span {
    color: var(--text-main);
    position: relative;
    display: inline-block;
}

.hero h1 span::after {
    content: '';
    position: absolute;
    bottom: 10px;
    left: 0;
    width: 100%;
    height: 15px;
    background: rgba(0, 51, 102, 0.05);
    z-index: -1;
}

.hero p {
    font-size: 1.4rem;
    color: var(--text-muted);
    max-width: 850px;
    margin: 0 auto 3.5rem;
    font-weight: 400;
}

.hero-btns {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

/* Features */
.features {
    padding: 120px 0;
    background-color: var(--bg-light);
}

.section-title {
    text-align: center;
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 6rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
}

.feature-card {
    text-align: center;
    padding: 3rem 2rem;
    background: #fff;
    border-radius: 12px;
    border: 1px solid rgba(0, 51, 102, 0.05);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}

.feature-card i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 2rem;
    display: inline-block;
    transition: var(--transition);
}

.feature-card:hover i {
    transform: scale(1.1);
    color: var(--primary-light);
}

.feature-card h3 {
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.feature-card p {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.7;
}

/* Solutions Section */
.solutions-hub {
    margin-top: 8rem;
    position: relative;
    padding: 6rem;
    background: var(--bg-alt);
    border-radius: 24px;
    overflow: hidden;
}

.solutions-hub::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(0, 51, 102, 0.03) 0%, transparent 70%);
    border-radius: 50%;
}

.solutions-hub h3 {
    text-align: center;
    margin-bottom: 4rem;
    color: var(--primary);
    font-size: 2.5rem;
}

.solution-link-card {
    text-decoration: none;
    background: #fff;
    padding: 3rem 2rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: var(--transition);
    color: inherit;
    display: flex;
    flex-direction: column;
}

.solution-link-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}

.solution-link-card h4 {
    color: var(--primary);
    margin-bottom: 1.2rem;
    font-size: 1.4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.solution-link-card p {
    font-size: 1rem;
    color: var(--text-muted);
    flex-grow: 1;
}

/* Demo Section */
.demo-section {
    padding: 120px 0;
    background: #fff;
}

.demo-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 6rem;
    align-items: center;
}

.demo-text h2 {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 2rem;
}

.demo-terminal {
    background: #1a1c1d;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}

.terminal-header {
    background: #25282a;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 8px;
}

.terminal-body {
    padding: 2rem;
    font-family: 'Fira Code', monospace;
    min-height: 280px;
    background: #1a1c1d;
    color: #e0e0e0;
}

/* Contact Section */
.contact-section {
    padding: 120px 0;
    background: var(--bg-alt);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 5rem;
}

.contact-info h2 {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 2rem;
}

.contact-form {
    background: #fff;
    padding: 4rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(0, 51, 102, 0.05);
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    background: var(--primary);
    color: #fff;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
    text-align: left;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    font-family: 'Crimson Pro', serif;
}

.footer-links h4 {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: #fff;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    opacity: 0.6;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 968px) {
    .navbar {
        height: 90px;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .demo-wrapper,
    .contact-grid,
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .solutions-hub {
        padding: 2rem;
    }
}