/* =========================================
   PentaCode - Design System & Styles
   ========================================= */

:root {
    /* Color Palette */
    --bg-dark: #09090b; /* Very dark, almost black */
    --bg-card: rgba(30, 27, 46, 0.4);
    --primary: #8b5cf6; /* Vibrant purple */
    --primary-hover: #7c3aed;
    --secondary: #c084fc; /* Lighter purple for accents */
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --glass-border: rgba(139, 92, 246, 0.15);
    
    /* Typography */
    --font-main: 'Open Sans', sans-serif;
    
    /* Layout */
    --container-width: 1200px;
    --transition: all 0.3s ease;
}

/* =========================================
   Reset & Base
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title span {
    color: var(--primary);
}

/* =========================================
   Buttons
   ========================================= */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #6d28d9);
    color: #fff;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.6);
}

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

.btn-secondary:hover {
    background: rgba(139, 92, 246, 0.1);
    border-color: var(--secondary);
}

.btn-block {
    display: block;
    width: 100%;
}

/* =========================================
   Glassmorphism Utilities
   ========================================= */
.glass-panel {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
}

/* =========================================
   Navbar
   ========================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 1rem 0;
    background: rgba(9, 9, 11, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.logo img {
    height: 40px;
    width: auto;
}

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

.nav-links li a {
    font-weight: 500;
    font-size: 0.95rem;
}

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

.btn-nav {
    background: var(--primary);
    padding: 0.5rem 1.2rem;
    border-radius: 6px;
    color: #fff !important;
}

.btn-nav:hover {
    background: var(--primary-hover);
}

.menu-icon {
    display: none;
    font-size: 2rem;
    cursor: pointer;
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    position: relative;
    background-image: url('../img/hero_bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(9, 9, 11, 0.3), rgba(9, 9, 11, 0.95));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    text-align: center;
    margin: 0 auto;
}

.hero-content h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.highlight {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* =========================================
   About Section
   ========================================= */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.about-features {
    margin-top: 2rem;
}

.about-features li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.about-features i {
    color: var(--primary);
    font-size: 1.5rem;
}

.about-image {
    position: relative;
}

.abstract-graphic {
    padding: 3rem;
    text-align: center;
    position: relative;
    z-index: 2;
    background: linear-gradient(145deg, rgba(30, 27, 46, 0.8), rgba(9, 9, 11, 0.4));
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.abstract-graphic i {
    font-size: 4rem;
    color: var(--secondary);
    margin-bottom: 1rem;
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: var(--primary);
    filter: blur(100px);
    opacity: 0.2;
    z-index: 1;
}

/* =========================================
   Services Section
   ========================================= */
.services .section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.services .section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    padding: 2.5rem 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(to right, var(--primary), transparent);
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    background: rgba(45, 41, 68, 0.5);
}

.service-card:hover::before {
    opacity: 1;
}

.icon-wrapper {
    width: 60px;
    height: 60px;
    background: rgba(139, 92, 246, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--primary);
    font-size: 2rem;
    transition: var(--transition);
}

.service-card:hover .icon-wrapper {
    background: var(--primary);
    color: #fff;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* =========================================
   Contact Section
   ========================================= */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.info-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary);
    background: rgba(139, 92, 246, 0.1);
    padding: 0.8rem;
    border-radius: 50%;
}

.contact-form-wrapper {
    padding: 2.5rem;
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text-main);
    font-family: var(--font-main);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(0, 0, 0, 0.4);
}

.form-status {
    margin-top: 1rem;
    text-align: center;
    font-size: 0.9rem;
}

.status-success {
    color: #4ade80;
}

.status-error {
    color: #f87171;
}

/* =========================================
   Footer
   ========================================= */
.footer {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 2rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-logo a {
    font-size: 1.5rem;
    font-weight: 800;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    font-size: 1.5rem;
    color: var(--text-muted);
}

.footer-social a:hover {
    color: var(--primary);
}

.footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* =========================================
   Animations
   ========================================= */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.visible {
    opacity: 1;
    transform: translate(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }
.delay-3 { transition-delay: 0.6s; }
.delay-4 { transition-delay: 0.8s; }

/* =========================================
   Responsive Design
   ========================================= */
@media (max-width: 992px) {
    .about-container,
    .contact-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-content h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: rgba(9, 9, 11, 0.98);
        flex-direction: column;
        justify-content: center;
        transition: 0.4s ease-in-out;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .menu-icon {
        display: block;
        z-index: 1001;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
}