/* =========================================================================
   DSolutions - Base Styles & Tokens (Modern Tech Aesthetic)
   ========================================================================= */

:root {
    /* Colors */
    --bg-dark: #07090F;
    --bg-surface: #0D111A;
    --bg-glass: rgba(18, 24, 38, 0.65);
    --bg-glass-hover: rgba(26, 34, 53, 0.85);
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(59, 130, 246, 0.2);
    
    /* Primary Colors (Neon Tech) */
    --primary: #3b82f6;     /* Royal Blue */
    --secondary: #06b6d4;   /* Cyan */
    --accent: #8b5cf6;      /* Purple */
    --success: #10b981;     /* Emerald */
    --danger: #ef4444;      /* Rose */
    --warning: #f59e0b;     /* Amber */
    
    /* Typography */
    --text-pure: #ffffff;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary), var(--accent));
    --gradient-hover: linear-gradient(135deg, #2563eb, #7c3aed);
    --gradient-glow: linear-gradient(90deg, rgba(59,130,246,0.5), rgba(139,92,246,0.5));
    --text-gradient: linear-gradient(to right, var(--primary), var(--secondary));
    
    /* Transitions & Shadows */
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --shadow-glow: 0 0 20px var(--border-glow);
    
    /* Sizing */
    --nav-height: 80px;
    --border-radius: 16px;
    --border-radius-sm: 8px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: 'Outfit', sans-serif;
    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;
}

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

/* =========================================================================
   Typography & Utilities
   ========================================================================= */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-pure);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2.2rem, 4.5vw, 3.4rem);
    letter-spacing: -0.02em;
    line-height: 1.15;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.lead {
    font-size: 1.125rem;
    color: var(--text-main);
}

.highlight {
    background: var(--text-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

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

.mt-4 {
    margin-top: 2rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
    font-family: inherit;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-pure);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    background: var(--gradient-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--bg-glass-hover);
    border-color: var(--primary);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.9rem;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: var(--primary);
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

/* Glassmorphism Classes */
.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-glass);
}

/* Hover Lift Effect */
.hover-lift {
    transition: var(--transition);
}
.hover-lift:hover {
    transform: translateY(-5px);
}

/* =========================================================================
   Navigation
   ========================================================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(7, 9, 15, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glass);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-pure);
    display: flex;
    align-items: center;
}

.logo-d {
    color: var(--primary);
    font-size: 1.8rem;
}

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

.nav-links a:not(.btn) {
    font-weight: 500;
    position: relative;
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-links a:not(.btn):hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a:not(.btn):hover,
.nav-links a.active {
    color: var(--primary);
}

.mobile-menu-btn {
    display: none;
    cursor: pointer;
    color: var(--text-main);
}

.mobile-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background: var(--bg-surface);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    transform: translateY(-150%);
    transition: var(--transition);
    z-index: 999;
    border-bottom: 1px solid var(--border-glass);
}

.mobile-menu.active {
    transform: translateY(0);
}

/* =========================================================================
   Hero Section
   ========================================================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
    overflow: hidden;
}

.hero-bg-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    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;
    mask-image: radial-gradient(circle at center, black, transparent 80%);
    -webkit-mask-image: radial-gradient(circle at center, black, transparent 80%);
}

.glow-sphere {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    animation: float 10s infinite ease-in-out alternate;
}

.sphere-1 {
    top: -10%;
    right: -5%;
    width: 500px;
    height: 500px;
    background: rgba(59, 130, 246, 0.4);
}

.sphere-2 {
    bottom: -10%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: rgba(139, 92, 246, 0.3);
    animation-delay: -5s;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-content h1 {
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    max-width: 90%;
}

.hero-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Mockup Card in Hero */
.hero-image {
    position: relative;
    perspective: 1000px;
}

.mockup-card {
    padding: 24px;
    transform: rotateY(-15deg) rotateX(5deg);
    transition: transform 0.5s ease;
}

.mockup-card:hover {
    transform: rotateY(-5deg) rotateX(2deg);
}

.mockup-header {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.mockup-body {
    height: 420px;
    overflow: hidden;
    position: relative;
    /* Smooth fade at top and bottom for the marquee */
    -webkit-mask-image: linear-gradient(to bottom, transparent, black 5%, black 95%, transparent);
    mask-image: linear-gradient(to bottom, transparent, black 5%, black 95%, transparent);
}

.mockup-scroll-track {
    display: flex;
    flex-direction: column;
    animation: scrollVertical 25s linear infinite;
}

.mockup-scroll-track:hover {
    animation-play-state: paused;
}

@keyframes scrollVertical {
    0% { transform: translateY(0); }
    100% { transform: translateY(-50%); }
}

.mockup-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius-sm);
    margin-bottom: 10px;
    transition: var(--transition);
}

.mockup-row:hover {
    background: rgba(255, 255, 255, 0.08);
}

.mockup-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mockup-icon svg {
    width: 20px;
    height: 20px;
}

.mockup-icon.primary { background: rgba(59, 130, 246, 0.2); color: var(--primary); }
.mockup-icon.secondary { background: rgba(6, 182, 212, 0.2); color: var(--secondary); }
.mockup-icon.accent { background: rgba(139, 92, 246, 0.2); color: var(--accent); }

.mockup-text {
    flex: 1;
}

.mockup-text h4 {
    margin: 0 0 2px 0;
    font-size: 1rem;
}

.mockup-text p {
    margin: 0;
    font-size: 0.8rem;
}

.mockup-status {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
    margin-left: auto;
}

.mockup-status.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

/* =========================================================================
   Services Section
   ========================================================================= */
.section-header {
    max-width: 600px;
    margin: 0 auto 60px;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.service-card {
    padding: 40px 30px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-glow);
    opacity: 0;
    transition: var(--transition);
    z-index: 0;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
}

.service-card:hover::before {
    opacity: 0.1;
}

.service-card > * {
    position: relative;
    z-index: 1;
}

.service-icon-wrap {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.service-icon-wrap.primary { background: rgba(59, 130, 246, 0.15); color: var(--primary); }
.service-icon-wrap.secondary { background: rgba(6, 182, 212, 0.15); color: var(--secondary); }
.service-icon-wrap.accent { background: rgba(139, 92, 246, 0.15); color: var(--accent); }

.service-icon-wrap svg {
    width: 32px;
    height: 32px;
}

.service-card h3 {
    margin-bottom: 16px;
}

.service-list {
    margin-top: 24px;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--text-main);
    font-size: 0.95rem;
}

.service-list li i, .service-list li svg {
    color: var(--success);
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* =========================================================================
   About Section
   ========================================================================= */
.about {
    background: var(--bg-surface);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.image-wrapper {
    position: relative;
    height: 500px;
    border-radius: 24px;
    padding: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.stats-card {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 12px 20px;
    text-align: center;
    border: 1px solid var(--border-glow);
    border-radius: var(--border-radius-sm);
    z-index: 10;
    background: rgba(18, 24, 38, 0.6);
    backdrop-filter: blur(8px);
}

.stats-number {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 4px;
}

.stats-card p {
    margin: 0;
    font-size: 0.8rem;
    color: var(--text-pure);
}

/* Tech Schematic Graphic */
.tech-schematic {
    position: relative;
    width: 300px;
    height: 300px;
}

.center-node {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90px;
    height: 90px;
    
    /* Silicon Wafer Image Pattern */
    background: url('wafer.png') center/cover no-repeat;
    border: 2px solid rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
    
    /* Deep Silicon Glow */
    box-shadow: 
        inset 0 0 20px rgba(0, 0, 0, 0.6),
        0 0 25px rgba(139, 92, 246, 0.4),
        0 0 45px rgba(59, 130, 246, 0.2);
}

.center-node svg {
    width: 40px;
    height: 40px;
}

.center-bg-icon {
    position: absolute !important;
    width: 60px !important;
    height: 60px !important;
    opacity: 0.25;
    color: #1e293b; /* Dark slate for high contrast etched look */
}

.center-d {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
    z-index: 2;
    color: #ffffff;
    font-family: 'Outfit', sans-serif;
    transform: translateY(-2px);
    /* Brilliant white core with a high-tech cyan/purple glow and deep shadow for legibility */
    text-shadow: 
        0 0 10px rgba(255, 255, 255, 0.6),
        0 0 20px rgba(6, 182, 212, 0.5),
        0 0 30px rgba(139, 92, 246, 0.4),
        0 4px 15px rgba(0, 0, 0, 0.9);
}

.orbit {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 1px dashed rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    animation: spin 20s linear infinite;
}

.orbit-node {
    position: absolute;
    width: 50px;
    height: 50px;
    background: var(--bg-dark);
    border: 1px solid var(--border-glass);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    /* Reverse animation to keep icons upright */
    animation: spin-reverse 20s linear infinite;
}

.orbit-node svg {
    width: 20px;
    height: 20px;
}

.n1 { left: 275px; top: 125px; color: var(--primary); }
.n2 { left: 240px; top: 221px; color: var(--secondary); }
.n3 { left: 151px; top: 273px; color: var(--accent); }
.n4 { left: 50px; top: 255px; color: var(--primary); }
.n5 { left: -16px; top: 176px; color: var(--secondary); }
.n6 { left: -16px; top: 74px; color: var(--accent); }
.n7 { left: 50px; top: -5px; color: var(--primary); }
.n8 { left: 151px; top: -23px; color: var(--secondary); }
.n9 { left: 240px; top: 29px; color: var(--accent); }

@keyframes spin { 100% { transform: rotate(360deg); } }
@keyframes spin-reverse { 100% { transform: rotate(-360deg); } }

.features-list {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.feature-item {
    display: flex;
    gap: 20px;
    background: rgba(255, 255, 255, 0.02);
    padding: 20px;
    border-radius: var(--border-radius-sm);
    border: 1px solid transparent;
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-glass);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon.secondary { background: rgba(6, 182, 212, 0.15); color: var(--secondary); }
.feature-icon.accent { background: rgba(139, 92, 246, 0.15); color: var(--accent); }

.feature-item h4 {
    margin: 0 0 8px 0;
    font-size: 1.1rem;
}

.feature-item p {
    margin: 0;
    font-size: 0.95rem;
}

/* =========================================================================
   CTA / Contact Section
   ========================================================================= */
.cta {
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(59, 130, 246, 0.1) 0%, transparent 60%);
    z-index: -1;
}

.cta-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 60px 40px;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.cta-content p {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-info-list {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
    margin-top: 50px;
}

.contact-item {
    display: flex;
    align-items: center;
    text-align: left;
    gap: 16px;
}

.c-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.contact-item h5 {
    margin: 0 0 4px 0;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.contact-item p {
    margin: 0;
    color: var(--text-pure);
    font-size: 1.1rem;
    font-weight: 600;
}

/* =========================================================================
   Footer
   ========================================================================= */
footer {
    background: #04060A;
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 80px;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.8fr 2.5fr 1.2fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col h4 {
    color: var(--text-pure);
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 12px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--primary);
}

.footer-desc {
    margin: 20px 0;
    max-width: 300px;
}

.social-links {
    display: flex;
    gap: 16px;
}

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

.social-links a:hover {
    background: var(--primary);
    color: white;
}

.footer-col ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 24px;
}

.footer-col ul a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-col .contact-info {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    color: var(--text-muted);
}

.footer-col .contact-info i, .footer-col .contact-info svg {
    color: var(--primary);
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 24px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* =========================================================================
   Animations & Utilities
   ========================================================================= */
@keyframes float {
    0% { transform: translateY(0px) translateX(0px); }
    50% { transform: translateY(-20px) translateX(10px); }
    100% { transform: translateY(0px) translateX(0px); }
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(59, 130, 246, 0); }
    100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0); }
}

.floating {
    animation: float 6s ease-in-out infinite;
}

/* Scroll Reveal effect applied via JS */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

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

/* =========================================================================
   Responsive Design
   ========================================================================= */
@media (max-width: 1024px) {
    .hero-container, .about-container, .cta-box {
        grid-template-columns: 1fr;
    }
    
    .hero-image {
        margin-top: 40px;
    }
    
    .stats-card {
        right: 20px;
    }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    
    .section-padding { padding: 60px 0; }
    
    .cta-box { padding: 30px 20px; }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-col ul {
        grid-template-columns: 1fr;
    }
}