/* 
  NextStep I.T. Solutions CSS
  Modern, Clean, Professional
*/

:root {
    /* Colors */
    --primary: #2563eb;       /* Electric Blue */
    --primary-dark: #1d4ed8;
    --primary-light: #60a5fa;
    --secondary: #0f172a;     /* Deep Navy / Dark Slate */
    --text-main: #334155;
    --text-muted: #64748b;
    --bg-light: #f8fafc;
    --white: #ffffff;
    
    /* Typography */
    --font-main: 'Inter', sans-serif;
    
    /* Variables */
    --nav-height: 80px;
    --transition: all 0.3s ease;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

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

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

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

/* Utility Classes */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 6rem 0;
}

.bg-light {
    background-color: var(--bg-light);
}

.text-center {
    text-align: center;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--secondary);
    font-weight: 700;
    line-height: 1.2;
}

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

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--primary);
    border-radius: 2px;
}

.text-center .section-title::after {
    left: 50%;
    transform: translateX(-50%);
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 700px;
    margin-bottom: 3rem;
}

.text-center .section-description {
    margin: 0 auto 3rem auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--secondary);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.badge {
    display: inline-block;
    padding: 0.25rem 1rem;
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--primary-light);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

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

.logo img {
    height: 40px;
}

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

.nav-link {
    font-weight: 500;
    color: var(--text-main);
    position: relative;
}

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

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

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

.menu-toggle {
    display: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--secondary);
}

/* Mobile Nav */
.mobile-nav {
    position: absolute;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background-color: var(--white);
    padding: 1rem 0;
    box-shadow: var(--shadow-md);
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    transform: translateY(-150%);
    transition: transform 0.4s ease-in-out;
    z-index: 999;
    display: none; /* Flex when active */
}

.mobile-nav.active {
    transform: translateY(0);
    display: flex;
}

.mobile-link {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--secondary);
}

/* Hero Section */
.hero {
    position: relative;
    padding-top: calc(var(--nav-height) + 4rem);
    padding-bottom: 6rem;
    background-color: var(--secondary);
    color: var(--white);
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
}

.shape-1 {
    width: 500px;
    height: 500px;
    background-color: rgba(37, 99, 235, 0.4);
    top: -100px;
    right: -100px;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background-color: rgba(15, 23, 42, 0.8);
    bottom: -50px;
    left: -150px;
}

.hero-container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 800px;
}

.hero-title {
    font-size: 3.5rem;
    color: var(--white);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #cbd5e1;
    margin-bottom: 2.5rem;
    max-width: 700px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

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

.about-details {
    margin-bottom: 2rem;
    font-size: 1.125rem;
}

.about-list {
    list-style: none;
}

.about-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--secondary);
}

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

/* Enterprise Tech Bento Grid UI */
.tech-bento-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    position: relative;
}

.bento-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.06), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    position: relative;
    overflow: hidden;
}

.bento-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 30px -10px rgba(37, 99, 235, 0.12);
    border-color: rgba(37, 99, 235, 0.3);
}

.bento-card.bento-primary {
    grid-column: span 2;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.bento-card.bento-primary .bento-title {
    color: #ffffff;
}

.bento-card.bento-primary .bento-desc {
    color: #94a3b8;
}

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

.bento-icon-badge {
    width: 44px;
    height: 44px;
    border-radius: 0.75rem;
    background: rgba(37, 99, 235, 0.12);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.bento-primary .bento-icon-badge {
    background: rgba(37, 99, 235, 0.25);
    color: #60a5fa;
}

.security-badge {
    background: rgba(16, 185, 129, 0.12);
    color: #059669;
    margin-bottom: 1rem;
}

.ai-badge {
    background: rgba(139, 92, 246, 0.12);
    color: #7c3aed;
}

.bento-title {
    font-size: 1.125rem;
    margin-bottom: 0.35rem;
    color: var(--secondary);
}

.bento-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* Status Pill */
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #10b981;
    box-shadow: 0 0 8px #10b981;
}

/* Metrics */
.bento-metric {
    display: flex;
    gap: 2rem;
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.metric-item {
    display: flex;
    flex-direction: column;
}

.metric-val {
    font-size: 1.25rem;
    font-weight: 700;
    color: #60a5fa;
}

.metric-lbl {
    font-size: 0.75rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Badge Tag */
.badge-tag {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.2rem 0.6rem;
    border-radius: 0.375rem;
    background: rgba(139, 92, 246, 0.1);
    color: #7c3aed;
}

/* Sparkline visualization */
.sparkline-bar-group {
    display: flex;
    align-items: flex-end;
    gap: 0.35rem;
    height: 32px;
    margin-top: 1rem;
}

.sparkline-bar-group .bar {
    flex: 1;
    background: linear-gradient(180deg, #8b5cf6, rgba(139, 92, 246, 0.2));
    border-radius: 3px;
}

.bar.h-40 { height: 40%; }
.bar.h-65 { height: 65%; }
.bar.h-50 { height: 50%; }
.bar.h-85 { height: 85%; }
.bar.h-100 { height: 100%; }

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

.service-card {
    background-color: var(--white);
    padding: 2.5rem 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.03);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(37, 99, 235, 0.1);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background-color: var(--primary);
    transition: var(--transition);
}

.service-card:hover::before {
    height: 100%;
}

.service-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.service-text {
    color: var(--text-muted);
}

/* Works Section */
.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.work-card {
    background-color: var(--white);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.work-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.work-img-container {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.work-img-container::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.1);
    transition: var(--transition);
}

.work-card:hover .work-img-container::after {
    background-color: rgba(0,0,0,0);
}

.work-icon {
    font-size: 4rem;
    color: var(--white);
    position: relative;
    z-index: 2;
    transition: transform 0.5s ease;
}

.work-card:hover .work-icon {
    transform: scale(1.1);
}

.bg-gradient-1 { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.bg-gradient-2 { background: linear-gradient(135deg, #10b981, #059669); }
.bg-gradient-3 { background: linear-gradient(135deg, #f59e0b, #d97706); }
.bg-gradient-4 { background: linear-gradient(135deg, #6366f1, #4f46e5); }
.bg-gradient-5 { background: linear-gradient(135deg, #8b5cf6, #ec4899); }
.bg-gradient-6 { background: linear-gradient(135deg, #059669, #0284c7); }

.work-content {
    padding: 2rem;
}

.work-category {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.work-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

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

/* Footer */
.footer {
    background-color: var(--secondary);
    color: #cbd5e1;
    padding-top: 5rem;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    height: 40px;
    margin-bottom: 1.5rem;
    filter: brightness(0) invert(1);
}

.footer-tagline {
    font-size: 1rem;
    line-height: 1.6;
}

.footer-heading {
    color: var(--white);
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

.footer-links-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-link {
    color: #94a3b8;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-link:hover {
    color: var(--primary-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 2rem 0;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.social-link:hover {
    background-color: var(--primary);
    transform: translateY(-3px);
}

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

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

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

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

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

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Responsive Design */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    .about-image {
        order: -1;
    }
    .hero-title {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .menu-toggle {
        display: block;
    }
    .hero-title {
        font-size: 2.5rem;
    }
    .hero {
        padding-top: calc(var(--nav-height) + 2rem);
        padding-bottom: 4rem;
        min-height: auto;
    }
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 560px) {
    .tech-bento-grid {
        grid-template-columns: 1fr;
    }
    .bento-card.bento-primary {
        grid-column: span 1;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    .hero-actions {
        flex-direction: column;
    }
    .btn {
        width: 100%;
    }
    .section-title {
        font-size: 2rem;
    }
    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
    }
}