:root {
    /* Color Palette */
    --primary: #0F172A; /* Deep Navy */
    --primary-light: #1E293B;
    --accent: #2563EB; /* Electric Blue */
    --accent-hover: #1D4ED8;
    --highlight: #F59E0B; /* Warm Orange */
    --text-main: #1E293B;
    --text-muted: #64748B;
    --bg-light: #F8FAFC;
    --white: #FFFFFF;
    --border: #E2E8F0;
    
    /* Typography */
    --font-main: 'Outfit', 'Inter', system-ui, -apple-system, sans-serif;
    
    /* Spacing */
    --section-padding: 100px 5%;
    --container-max: 1200px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--text-main);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography Helpers */
h1, h2, h3, h4 {
    color: var(--primary);
    font-weight: 700;
    line-height: 1.2;
}

p {
    color: var(--text-muted);
}

a {
    text-decoration: none;
    transition: all 0.3s ease;
}

/* Layout Components */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: var(--section-padding);
}

.grid {
    display: grid;
    gap: 30px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    border: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary {
    background-color: var(--accent);
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.39);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

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

/* Header/Nav */
header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border);
    padding: 15px 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    color: var(--primary-light);
    font-weight: 500;
    font-size: 0.95rem;
}

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

.nav-cta {
    display: flex;
    gap: 15px;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    color: var(--white);
    font-size: 1.8rem;
    margin-bottom: 20px;
}

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

.footer-links h4 {
    color: var(--white);
    margin-bottom: 25px;
    font-size: 1.1rem;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #94A3B8;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid #1E293B;
    padding-top: 40px;
    text-align: center;
    color: #64748B;
    font-size: 0.85rem;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #F8FAFC 0%, #EFF6FF 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 650px;
    z-index: 2;
    position: relative;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 40px;
    color: var(--text-muted);
}

.hero-visual {
    position: absolute;
    right: -100px;
    top: 50%;
    transform: translateY(-50%);
    width: 700px;
    z-index: 1;
}

/* Inner Page Styles */
.page-header {
    padding: 80px 0;
    background: var(--primary);
    color: var(--white);
    text-align: center;
}

.page-header h1 {
    color: var(--white);
    font-size: 3rem;
    margin-bottom: 20px;
}

.page-header p {
    color: #94A3B8;
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
}

.feature-detail {
    padding: 100px 0;
}

.feature-grid-alt {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.feature-grid-alt:nth-child(even) {
    direction: rtl;
}

.feature-grid-alt:nth-child(even) .feature-content {
    direction: ltr;
}

.feature-content h2 {
    font-size: 2.2rem;
    margin-bottom: 25px;
}

.feature-content p {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

/* Contact Form */
.contact-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 20px;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    margin-top: -60px;
    position: relative;
    z-index: 10;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--primary);
}

.form-control {
    width: 100%;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: var(--font-main);
    font-size: 1rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.captcha-box {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.captcha-img {
    background: #F1F5F9;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 5px;
    user-select: none;
}

/* 404 Page */
.error-page {
    height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.error-page h1 {
    font-size: 8rem;
    color: var(--accent);
    line-height: 1;
}

.error-page h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-visual {
        position: relative;
        right: 0;
        top: 0;
        transform: none;
        width: 100%;
        margin-top: 60px;
    }
    
    .hero {
        text-align: center;
        padding: 80px 0;
    }
    
    .hero-content {
        margin: 0 auto;
    }
    
    .hero h1 {
        font-size: 3rem;
    }

    .feature-grid-alt {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .feature-grid-alt:nth-child(even) {
        direction: ltr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .section {
        padding: 60px 5%;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }
}