:root {
    --primary-bg: #f8fafc;
    --secondary-bg: #ffffff;
    --accent-color: #2563eb; /* Professional Blue */
    --accent-hover: #1d4ed8;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-user-drag: none;
}

/* Background Effects */
.bg-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, rgba(248, 250, 252, 0) 70%);
    border-radius: 50%;
    z-index: -1;
    top: -200px;
    left: -200px;
}
.bg-glow.right {
    top: 50%;
    left: auto;
    right: -200px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.08) 0%, rgba(248, 250, 252, 0) 70%);
}

/* Floating Tech Animations */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -2;
    pointer-events: none;
}

.symbol {
    position: absolute;
    color: rgba(37, 99, 235, 0.05); /* Very faint blue */
    font-size: 24px;
    font-weight: 800;
    font-family: monospace;
    animation: floatUp 15s linear infinite;
    bottom: -100px;
}

.symbol-1 { left: 10%; font-size: 40px; animation-duration: 20s; animation-delay: 0s; }
.symbol-2 { left: 25%; font-size: 60px; animation-duration: 25s; animation-delay: -5s; }
.symbol-3 { left: 40%; font-size: 30px; animation-duration: 18s; animation-delay: -2s; }
.symbol-4 { left: 60%; font-size: 50px; animation-duration: 22s; animation-delay: -8s; }
.symbol-5 { left: 75%; font-size: 35px; animation-duration: 19s; animation-delay: -1s; }
.symbol-6 { left: 90%; font-size: 45px; animation-duration: 24s; animation-delay: -6s; }
.symbol-7 { left: 50%; font-size: 55px; animation-duration: 28s; animation-delay: -10s; }
.symbol-8 { left: 15%; font-size: 30px; animation-duration: 16s; animation-delay: -12s; }

@keyframes floatUp {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-110vh) rotate(360deg);
        opacity: 0;
    }
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.5px;
}
.logo span {
    color: var(--accent-color);
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

.btn-primary {
    background-color: var(--accent-color);
    color: #fff !important;
    padding: 10px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-block;
    text-align: center;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

/* Sections */
section {
    padding: 80px 5%;
}

.hero {
    min-height: 70vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding-top: 140px;
    padding-bottom: 60px;
}

.hero h1 {
    font-size: 64px;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--text-primary);
    letter-spacing: -1px;
}

.hero p {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 650px;
    margin-bottom: 40px;
}

/* Cards & Containers */
.glass-container {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 50px;
    max-width: 800px;
    margin: 40px auto;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
}

.page-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 10px;
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.page-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

/* Forms */
.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    background: #f8fafc;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 16px;
    transition: all 0.3s;
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

.form-control::placeholder {
    color: #94a3b8;
}

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

textarea.form-control {
    resize: vertical;
    min-height: 140px;
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 5%;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    margin-top: 50px;
    background: #ffffff;
}

.footer-links {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
}

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

/* Content blocks */
.content-block {
    margin-bottom: 40px;
}
.content-block h3 {
    color: var(--text-primary);
    margin-bottom: 12px;
    font-size: 22px;
    font-weight: 700;
}
.content-block p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Contact Info Box */
.contact-info-box {
    background: rgba(37, 99, 235, 0.05);
    border: 1px solid rgba(37, 99, 235, 0.15);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    margin-bottom: 40px;
}
.contact-info-box p {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}
.contact-info-box a {
    color: var(--accent-color);
    font-weight: 600;
    text-decoration: none;
    font-size: 18px;
    display: inline-block;
    margin-top: 5px;
}

/* Grids and Feature Cards */
.section-title {
    text-align: center;
    font-size: 32px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 50px;
    letter-spacing: -0.5px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px 30px;
    transition: all 0.3s ease;
    text-align: center;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
    border-color: rgba(37, 99, 235, 0.2);
}

.feature-icon {
    font-size: 40px;
    color: var(--accent-color);
    margin-bottom: 20px;
    display: inline-block;
    background: rgba(37, 99, 235, 0.08);
    width: 80px;
    height: 80px;
    line-height: 80px;
    border-radius: 50%;
}

.feature-card h3 {
    font-size: 22px;
    color: var(--text-primary);
    margin-bottom: 15px;
    font-weight: 700;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.6;
}

/* Tech Stack Banner */
.tech-stack {
    background: #ffffff;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 60px 5%;
    text-align: center;
}

.tech-icons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 30px;
}

.tech-icons i {
    font-size: 48px;
    color: #94a3b8;
    transition: color 0.3s;
}

.tech-icons i:hover {
    color: var(--accent-color);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(14, 165, 233, 0.05) 100%);
    text-align: center;
    padding: 100px 5%;
    border-radius: 24px;
    max-width: 1200px;
    margin: 80px auto;
    border: 1px solid rgba(37, 99, 235, 0.1);
}

.cta-section h2 {
    font-size: 36px;
    color: var(--text-primary);
    margin-bottom: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.cta-section p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}