/* =========================================
   1. ROOT VARIABLES & THEME CONFIGURATION
   ========================================= */
:root {
    /* Brand Colors - Based on a Professional Digital Theme */
    --color-primary: #2563eb;
    /* Royal Blue */
    --color-primary-dark: #1e40af;
    --color-secondary: #0f172a;
    /* Dark Navy (Backgrounds) */
    --color-accent: #06b6d4;
    /* Cyan/Teal for highlights */
    --color-white: #ffffff;
    --color-light-gray: #f8fafc;
    --color-text-body: #475569;
    --color-text-heading: #0f172a;

    /* Gradients */
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
    --gradient-accent: linear-gradient(90deg, #2563eb, #06b6d4);

    /* Layout */
    --container-width: 1200px;
    --header-height: 80px;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Transitions */
    --transition-fast: 0.2s ease-in-out;
    --transition-normal: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-neon: 0 0 20px rgba(6, 182, 212, 0.3);
}

/* =========================================
   2. RESET & BASE STYLES
   ========================================= */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--color-text-body);
    background-color: var(--color-light-gray);
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--color-text-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -1px;
}

h2 {
    font-size: 2.5rem;
    letter-spacing: -0.5px;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-sm);
    font-size: 1.05rem;
}

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

ul {
    list-style: none;
}

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

/* =========================================
   3. UTILITY CLASSES
   ========================================= */
.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section-padding {
    padding: var(--spacing-xl) 0;
}

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

.text-white {
    color: var(--color-white);
}

.text-accent {
    color: var(--color-accent);
}

.bg-dark {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

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

.flex {
    display: flex;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.flex-column {
    flex-direction: column;
}

.grid {
    display: grid;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
    border: none;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-neon);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-accent);
    color: var(--color-accent);
}

.btn-outline:hover {
    background: var(--color-accent);
    color: var(--color-white);
}

/* =========================================
   4. HEADER & NAVIGATION
   ========================================= */
header {
    background-color: var(--color-secondary);
    height: var(--header-height);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-normal);
}

header.scrolled {
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-lg);
}

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

.logo-container img {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
    /* Forces logo to be white */
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-links li a {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    position: relative;
    font-size: 0.95rem;
}

.nav-links li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition-normal);
}

.nav-links li a:hover,
.nav-links li a.active {
    color: var(--color-white);
}

.nav-links li a:hover::after,
.nav-links li a.active::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* =========================================
   5. HERO SECTION
   ========================================= */
.hero {
    position: relative;
    padding-top: calc(var(--header-height) + var(--spacing-xl));
    padding-bottom: var(--spacing-xl);
    background: var(--gradient-hero);
    color: var(--color-white);
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

/* Animated Particles Background (simulated with CSS for brevity) */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(37, 99, 235, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(6, 182, 212, 0.2) 0%, transparent 50%);
    z-index: 0;
    animation: pulseBackground 10s infinite alternate;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-text h1 span {
    color: var(--color-accent);
    display: block;
}

.hero-text p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    max-width: 500px;
}

.hero-visual {
    position: relative;
}

.dashboard-mockup {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 20px;
    backdrop-filter: blur(5px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transform: perspective(1000px) rotateY(-10deg) rotateX(5deg);
    transition: transform 0.5s ease;
}

.dashboard-mockup:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

/* =========================================
   6. SERVICES SECTION
   ========================================= */
.services-section {
    background-color: var(--color-light-gray);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

.section-header .subtitle {
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    border-bottom: 3px solid transparent;
}

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

.service-icon {
    width: 60px;
    height: 60px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
    font-size: 1.5rem;
}

.service-card h3 {
    font-size: 1.4rem;
}

.service-card ul {
    margin-top: var(--spacing-sm);
}

.service-card ul li {
    font-size: 0.9rem;
    color: var(--color-text-body);
    margin-bottom: 5px;
    display: flex;
    align-items: center;
}

.service-card ul li::before {
    content: '✓';
    color: var(--color-accent);
    margin-right: 8px;
    font-weight: bold;
}

/* =========================================
   7. INTERACTIVE ROI CALCULATOR
   ========================================= */
.calculator-section {
    background-color: var(--color-white);
}

.calc-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    background: var(--gradient-hero);
    border-radius: 24px;
    padding: var(--spacing-lg);
    color: var(--color-white);
    box-shadow: var(--shadow-xl);
}

.calc-inputs label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.9rem;
}

.input-group {
    margin-bottom: var(--spacing-md);
    position: relative;
}

.input-group input {
    width: 100%;
    padding: 12px 16px;
    border-radius: 8px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-white);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.input-group input:focus {
    outline: none;
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.1);
}

.input-group span {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.5);
}

.range-slider {
    width: 100%;
    margin-top: 5px;
    cursor: pointer;
}

.calc-results {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.result-item {
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.result-item h4 {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
    text-transform: uppercase;
}

.result-item .value {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-accent);
}

.calc-btn {
    width: 100%;
    margin-top: 10px;
}

/* =========================================
   8. INDUSTRY SECTOR
   ========================================= */
.industry-section {
    background-color: #f1f5f9;
}

.industry-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.tab-btn {
    padding: 10px 20px;
    border: none;
    background: transparent;
    border-radius: 30px;
    cursor: pointer;
    font-weight: 600;
    color: var(--color-text-body);
    transition: var(--transition-normal);
}

.tab-btn.active {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-content.active {
    display: block;
}

.industry-card {
    background: var(--color-white);
    border-radius: 12px;
    padding: var(--spacing-md);
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: var(--shadow-sm);
}

.industry-card img {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 8px;
}

/* =========================================
   9. TESTIMONIALS
   ========================================= */
.testimonial-section {
    background-color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.testimonial-item {
    background: var(--color-light-gray);
    padding: var(--spacing-md);
    border-radius: 12px;
    position: relative;
}

.quote-icon {
    font-size: 3rem;
    color: rgba(37, 99, 235, 0.1);
    position: absolute;
    top: 10px;
    left: 10px;
}

.testimonial-text {
    position: relative;
    z-index: 2;
    font-style: italic;
    margin-bottom: var(--spacing-sm);
}

.client-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.client-avatar {
    width: 50px;
    height: 50px;
    background: #ccc;
    border-radius: 50%;
}

/* =========================================
   10. CONTACT PAGE STYLES
   ========================================= */
.page-header {
    background: var(--gradient-hero);
    padding: 150px 0 80px;
    text-align: center;
    color: var(--color-white);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.contact-info-box {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    height: fit-content;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: var(--spacing-md);
}

.info-icon {
    background: rgba(37, 99, 235, 0.1);
    color: var(--color-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-form-wrapper {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group.full {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* =========================================
   11. LEGAL PAGES STYLES
   ========================================= */
.legal-content {
    max-width: 800px;
    margin: var(--spacing-lg) auto;
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.legal-content h2 {
    color: var(--color-primary);
    margin-top: var(--spacing-md);
    font-size: 1.5rem;
}

.legal-content ul {
    list-style: disc;
    padding-left: 20px;
    margin-bottom: var(--spacing-sm);
}

.legal-content li {
    margin-bottom: 5px;
}

/* =========================================
   12. FOOTER
   ========================================= */
footer {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-about p {
    color: rgba(255, 255, 255, 0.6);
    margin-top: var(--spacing-sm);
}

.footer-links h4 {
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.6);
}

.footer-links ul li a:hover {
    color: var(--color-accent);
    padding-left: 5px;
}

.footer-bottom {
    background: rgba(0, 0, 0, 0.2);
    padding: var(--spacing-md) 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.9rem;
}

/* =========================================
   13. ANIMATIONS
   ========================================= */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulseBackground {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.05);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

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

/* =========================================
   14. MEDIA QUERIES
   ========================================= */
@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text p {
        margin: 0 auto var(--spacing-md);
    }

    .calc-container {
        grid-template-columns: 1fr;
    }

    .contact-layout {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: var(--color-secondary);
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }
}