/* ===================================
   ARQENSIAL Website Styles
   Premium Dark Theme with Purple Accents
   =================================== */

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

:root {
    --color-bg-primary: #0b0b0f;
    --color-bg-secondary: #1a1a1f;
    --color-bg-card: #1a1a1f;
    --color-border: #2a2a2f;
    --color-accent: #8b5cf6;
    --color-accent-hover: #a78bfa;
    --color-text-primary: #ffffff;
    --color-text-secondary: #a0a0a0;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-accent);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-hover);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.25rem;
}

h3 {
    font-size: 1.5rem;
}

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

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

a:hover {
    color: var(--color-accent-hover);
}

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

/* Navigation */
.navbar {
    background-color: rgba(11, 11, 15, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}

.logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 1px;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin-top: -4px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--color-text-secondary);
    font-weight: 600;
    transition: var(--transition);
}

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

.btn-primary-nav {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
    color: var(--color-text-primary) !important;
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
}

.btn-primary-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(139, 92, 246, 0.3);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* Buttons */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
    color: var(--color-text-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(139, 92, 246, 0.4);
    color: var(--color-text-primary);
}

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

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

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

/* Sections */
.section {
    padding: 5rem 0;
}

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

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff, var(--color-accent-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
}

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

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* Page Hero */
.page-hero {
    padding: 6rem 0 4rem;
    text-align: center;
    background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
}

.page-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.page-hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.page-hero p {
    font-size: 1.3rem;
}

/* Cards */
.card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.2);
    border-color: var(--color-accent);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.card h3 {
    margin-bottom: 1rem;
}

/* Grids */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

/* Service Cards */
.services-snapshot {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
    transition: var(--transition);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.2);
    border-color: var(--color-accent);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

.service-link {
    display: inline-block;
    margin-top: 1rem;
    color: var(--color-accent);
    font-weight: 600;
}

.service-link:hover {
    color: var(--color-accent-hover);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.service-detail-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
    transition: var(--transition);
}

.service-detail-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.2);
    border-color: var(--color-accent);
}

.service-card-header {
    margin-bottom: 1.5rem;
}

.service-icon-large {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card-desc {
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
    margin-bottom: 2rem;
}

.service-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-text-secondary);
}

.service-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

/* Service Hero */
.service-hero {
    padding: 6rem 0;
}

.service-hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.breadcrumb {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
}

.breadcrumb a {
    color: var(--color-accent);
}

.service-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.service-hero-image img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* Problem Boxes */
.problem-box {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
    transition: var(--transition);
}

.problem-box:hover {
    border-color: var(--color-accent);
}

.problem-box h3 {
    color: #ff6b6b;
    margin-bottom: 1rem;
}

/* Solution Points */
.solution-points {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.solution-point {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.solution-icon {
    font-size: 2rem;
    color: var(--color-accent);
    min-width: 40px;
}

.solution-point h3 {
    margin-bottom: 0.5rem;
}

/* Deliverables Grid */
.deliverables-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.deliverable-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.5rem;
    transition: var(--transition);
}

.deliverable-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.deliverable-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

/* Tools Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.tool-tag {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    font-weight: 600;
    transition: var(--transition);
}

.tool-tag:hover {
    border-color: var(--color-accent);
    background-color: rgba(139, 92, 246, 0.1);
}

/* Pricing Approach */
.pricing-approach {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 3rem;
}

.pricing-approach h2 {
    margin-bottom: 1.5rem;
}

.pricing-factors {
    list-style: none;
    margin: 2rem 0;
}

.pricing-factors li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--color-text-secondary);
}

.pricing-factors li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-size: 1.5rem;
}

/* Problems Grid */
.problems-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.problem-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
    transition: var(--transition);
}

.problem-card:hover {
    border-color: var(--color-accent);
}

.problem-image {
    margin-bottom: 1.5rem;
    border-radius: 8px;
    overflow: hidden;
}

.problem-image img {
    width: 100%;
    height: auto;
}

/* Why Arqensial */
.why-arqensial {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.why-points {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.why-point {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.why-icon {
    font-size: 1.5rem;
    color: var(--color-accent);
    min-width: 30px;
}

.why-point h4 {
    margin-bottom: 0.5rem;
}

.why-image img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* Industries Grid */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.industry-tag {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    font-weight: 600;
    transition: var(--transition);
}

.industry-tag:hover {
    border-color: var(--color-accent);
    background-color: rgba(139, 92, 246, 0.1);
}

/* Process Steps */
.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.process-step {
    text-align: center;
    padding: 2rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.process-step h3 {
    margin-bottom: 1rem;
}

/* Process Detailed */
.process-detailed {
    max-width: 900px;
    margin: 0 auto;
}

.process-detail-step {
    display: flex;
    gap: 3rem;
    margin-bottom: 4rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid var(--color-border);
}

.process-detail-step:last-child {
    border-bottom: none;
}

.step-number-large {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-desc {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.step-details {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
    margin: 2rem 0;
}

.step-details h4 {
    color: var(--color-accent);
    margin-bottom: 1rem;
    margin-top: 1.5rem;
}

.step-details h4:first-child {
    margin-top: 0;
}

.step-details ul {
    list-style: none;
    margin-left: 0;
}

.step-details li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-text-secondary);
}

.step-details li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

/* Difference Cards */
.difference-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
    transition: var(--transition);
}

.difference-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

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

.about-content.reverse {
    direction: rtl;
}

.about-content.reverse > * {
    direction: ltr;
}

.about-text h2 {
    margin-bottom: 1.5rem;
}

.about-image img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.why-exist-content {
    max-width: 900px;
    margin: 0 auto;
}

.large-text {
    font-size: 1.3rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

/* Parent Company */
.parent-company {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 3rem;
}

.parent-company h2 {
    margin-bottom: 1.5rem;
}

/* Values Grid */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.value-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
}

.value-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* Pricing Models */
.pricing-models {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.pricing-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2.5rem;
    transition: var(--transition);
    position: relative;
}

.pricing-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.2);
}

.pricing-card.featured {
    border-color: var(--color-accent);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.2);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
    color: var(--color-text-primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.pricing-header {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-border);
}

.pricing-header h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.pricing-subtitle {
    color: var(--color-text-secondary);
}

.pricing-content h4 {
    color: var(--color-accent);
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.pricing-content ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.pricing-content li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-text-secondary);
}

.pricing-content li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

.pricing-card .btn-primary,
.pricing-card .btn-secondary {
    width: 100%;
    margin-top: 1.5rem;
}

/* Pricing Philosophy */
.pricing-philosophy {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.pricing-philosophy h2 {
    margin-bottom: 2rem;
}

/* Factor Cards */
.factor-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
    transition: var(--transition);
}

.factor-card:hover {
    border-color: var(--color-accent);
}

/* Guarantees */
.guarantees-section {
    max-width: 900px;
    margin: 0 auto;
}

.guarantees-section h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.guarantees-grid {
    display: grid;
    gap: 2rem;
}

.guarantee-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.guarantee-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.guarantee-item h4 {
    margin-bottom: 0.5rem;
}

/* FAQ */
.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--color-accent);
}

.faq-item h3 {
    margin-bottom: 1rem;
    color: var(--color-accent);
}

/* Contact Content */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h2 {
    margin-bottom: 2rem;
}

.expect-list {
    margin-bottom: 3rem;
}

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

.expect-icon {
    font-size: 2rem;
    min-width: 40px;
}

.expect-item h4 {
    margin-bottom: 0.5rem;
}

.contact-details {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
}

.contact-details h3 {
    margin-bottom: 1.5rem;
}

.contact-method {
    margin-bottom: 1.5rem;
}

.contact-method strong {
    display: block;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.cta-box {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(167, 139, 250, 0.1));
    border: 1px solid var(--color-accent);
    border-radius: 12px;
    padding: 3rem;
    text-align: center;
    margin-bottom: 2rem;
}

.cta-box h2 {
    margin-bottom: 1rem;
}

.cta-note {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.testimonial-box {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
}

.testimonial-text {
    font-style: italic;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.testimonial-author {
    color: var(--color-accent);
    font-weight: 600;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(167, 139, 250, 0.1));
    border-top: 1px solid var(--color-accent);
    border-bottom: 1px solid var(--color-accent);
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    background-color: var(--color-bg-secondary);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--color-border);
}

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

.footer-brand {
    display: flex;
    flex-direction: column;
    margin-bottom: 1rem;
}

.footer-desc {
    margin-top: 1rem;
}

.footer-col h4 {
    margin-bottom: 1.5rem;
    color: var(--color-text-primary);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--color-text-secondary);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* Animations */
.fade-in {
    animation: fadeIn 0.8s ease-in;
}

.fade-in-delay {
    animation: fadeIn 0.8s ease-in 0.3s both;
}

.fade-in-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero .container,
    .service-hero-content,
    .why-arqensial,
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .services-snapshot,
    .deliverables-grid,
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .tools-grid,
    .industries-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .grid-2,
    .grid-3,
    .services-snapshot,
    .services-grid,
    .deliverables-grid,
    .process-steps,
    .values-grid,
    .pricing-models,
    .contact-content {
        grid-template-columns: 1fr;
    }

    .tools-grid,
    .industries-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .hero-cta .btn-primary,
    .hero-cta .btn-secondary {
        width: 100%;
    }

    .section {
        padding: 3rem 0;
    }

    .container {
        padding: 0 1.5rem;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .process-detail-step {
        flex-direction: column;
        gap: 2rem;
    }

    .step-number-large {
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .btn-primary,
    .btn-secondary {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }

    .tools-grid,
    .industries-grid {
        grid-template-columns: 1fr;
    }
}