/* 
    PNV Solutions - Core Design System
    Theme: Deep Teal, Emerald Green, and Electric Blue
*/

:root {
    --primary-gradient: linear-gradient(135deg, #00d2ff 0%, #3a7bd5 100%);
    --secondary-gradient: linear-gradient(135deg, #00f260 0%, #0575e6 100%);
    --accent-gradient: linear-gradient(225deg, #0cebeb 0%, #20e3b2 50%, #29ffc6 100%);
    
    --bg-dark: #0a0f18;
    --bg-card: rgba(255, 255, 255, 0.03);
    --border-color: rgba(255, 255, 255, 0.1);
    
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    
    --font-main: 'Outfit', sans-serif;
    --transition-smooth: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

@keyframes pulse {
    0% { opacity: 0.2; transform: scale(1); }
    100% { opacity: 0.4; transform: scale(1.1); }
}

@keyframes gridMove {
    0% { transform: translateY(0); }
    100% { transform: translateY(50px); }
}

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

body {
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(at 0% 0%, hsla(190, 100%, 30%, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 0%, hsla(150, 100%, 30%, 0.1) 0px, transparent 50%);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    mask-image: radial-gradient(circle at center, black, transparent 80%);
    animation: gridMove 20s linear infinite;
}

/* Base Styles */
h1, h2, h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

ul {
    list-style: none;
}

/* Glassmorphism Classes */
.glass {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
}

.glass-btn {
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--border-color);
}

.btn-primary {
    background: var(--primary-gradient);
    border: none;
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 210, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border-color);
    color: white;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: #3a7bd5;
}

/* Animated Gradient Text */
.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition-smooth);
}

header.scrolled {
    background: rgba(10, 15, 24, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a:hover {
    color: #20e3b2;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
}

.hero-content {
    max-width: 700px;
    z-index: 2;
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.hero-visual {
    position: absolute;
    right: -100px;
    top: 50%;
    transform: translateY(-50%);
    width: 600px;
    height: 600px;
    background: var(--primary-gradient);
    filter: blur(150px);
    opacity: 0.2;
    border-radius: 50%;
}

/* Services */
.section-padding {
    padding: 100px 0;
}

.section-head {
    text-align: center;
    margin-bottom: 4rem;
}

.section-head h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    padding: 3rem 2rem;
    text-align: center;
    transition: var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: #20e3b2;
}

.service-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    background: var(--primary-gradient);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    animation: float 6s ease-in-out infinite;
}

.service-card:nth-child(2n) .service-icon {
    animation-delay: 1s;
    background: var(--secondary-gradient);
}

/* Benefits Section */
.benefits-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.benefit-item {
    margin-bottom: 2rem;
    display: flex;
    gap: 1.5rem;
}

.benefit-number {
    font-size: 2rem;
    font-weight: 800;
    opacity: 0.2;
}

/* Footer */
footer {
    padding: 5rem 0 2rem;
    border-top: 1px solid var(--border-color);
}

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

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
}

.social-icon:hover {
    border-color: #00d2ff;
    transform: scale(1.1);
}

/* Modal & Form Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 15, 24, 0.8);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    width: 90%;
    max-width: 500px;
    padding: 3rem;
    position: relative;
    transform: translateY(20px);
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.close-modal {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
}

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

.form-group label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.form-group input, 
.form-group select, 
.form-group textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    border-radius: 12px;
    color: white;
    font-family: inherit;
    transition: var(--transition-smooth);
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: #00d2ff;
    background: rgba(255, 255, 255, 0.08);
}

@media (max-width: 768px) {
    .modal-content {
        padding: 2rem;
    }
}