/*=============================================
  CSS Variables & Foundation
=============================================*/
:root {
  /* Colors */
  --bg-core: #050505;
  --bg-surface: #0f0f11;
  --text-main: #f8f8f8;
  --text-muted: #a1a1aa;

  --accent: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.4);
  --accent-hover: #2563eb;

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur: blur(16px);

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Poppins', var(--font-sans);

  /* Spacing & Layout */
  --px-container: 5%;
  --max-w: 1280px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  /* Transitions */
  --trans-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --trans-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background: linear-gradient(135deg, #000000 0%, #0B0F1A 100%);
  background-attachment: fixed;
  min-height: 100vh;
  color: var(--text-main);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

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

ul {
  list-style: none;
}

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

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

/* Typography Customization */
h1,
h2,
h3,
h4,
h5 {
  font-family: var(--font-display);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

p {
  color: var(--text-muted);
}

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

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--px-container);
}

.section {
  padding: 120px 0;
  position: relative;
  z-index: 2;
}

.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

/*=============================================
  Background Effects
=============================================*/
.bg-glow {
  position: fixed;
  top: -20vh;
  left: 50%;
  transform: translateX(-50%);
  width: 80vw;
  height: 80vw;
  background: radial-gradient(circle, var(--accent-glow) 0%, rgba(5, 5, 5, 0) 60%);
  z-index: 0;
  pointer-events: none;
  opacity: 0.4;
}

.bg-grid {
  display: none;
}

/*=============================================
  Navigation
=============================================*/
.navbar {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 2 * var(--px-container));
  max-width: var(--max-w);
  z-index: 100;
  background: rgba(15, 15, 17, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  padding: 12px 24px;
  transition: background var(--trans-smooth);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text-main);
}

.logo span {
  font-size: 22px;
  font-weight: 700;
  white-space: nowrap;
  /* prevents breaking like "Interface Lab" */
}

.logo i {
  color: var(--accent);
  font-size: 1.5rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--trans-fast);
}

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

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

.mobile-menu-btn {
  display: none;
  color: var(--text-main);
  font-size: 1.5rem;
}

/* Buttons */
.btn,
.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--trans-fast);
}

.cta-btn.sm {
  padding: 10px 24px;
  font-size: 0.9rem;
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.cta-btn.sm:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(59, 130, 246, 0.6);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}

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

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
  border-color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

/*=============================================
  Hero Section
=============================================*/
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 160px var(--px-container) 80px;
}

.hero-content {
  max-width: 900px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  text-transform: uppercase;
  animation: fadeUp 1s ease-out;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  max-width: 600px;
  animation: fadeUp 1s ease-out 0.2s backwards;
}

.hero-actions {
  display: flex;
  gap: 16px;
  animation: fadeUp 1s ease-out 0.4s backwards;
}

.hero-actions .btn {
  border-radius: 12px;
  padding: 16px 28px;
  gap: 8px;
}

.hero-actions .btn-primary {
  background: var(--accent);
  box-shadow: none;
}

.hero-actions .btn-outline {
  background: #18181b;
  border-color: rgba(255, 255, 255, 0.1);
}

.hero-actions .btn-outline:hover {
  background: #27272a;
}

/*=============================================
  Who We Are Section
=============================================*/
.section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.section-left {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.section-title {
  font-size: 1rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.highlight-line {
  position: relative;
  display: inline-block;
}

.highlight-line::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}

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

.section-text {
  font-size: 1.1rem;
}

.steps-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.step-card {
  padding: 24px;
  display: flex;
  gap: 24px;
  transition: transform var(--trans-smooth), background var(--trans-fast);
}

.step-card:hover {
  transform: translateX(-10px);
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.15);
}

.step-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--accent);
}

.step-header i {
  font-size: 2rem;
}

.step-num {
  font-family: var(--font-display);
  font-weight: 700;
  opacity: 0.5;
}

.step-body h4 {
  font-size: 1.25rem;
  margin-bottom: 8px;
  color: var(--text-main);
}

.step-body p {
  font-size: 0.95rem;
  margin: 0;
}

/*=============================================
  Our Expertise Section
=============================================*/
.section-header {
  margin-bottom: 64px;
}

.section-header.center {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-header.split {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.section-subtitle {
  max-width: 600px;
  margin-top: 16px;
  font-size: 1.1rem;
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.expertise-card {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform var(--trans-smooth), background-color var(--trans-fast);
}

.expertise-card:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--accent);
}

.icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(59, 130, 246, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 2rem;
}

.expertise-card h4 {
  font-size: 1.25rem;
}

.expertise-card p {
  font-size: 0.95rem;
}

/*=============================================
  Featured Work
=============================================*/
.view-all-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-weight: 600;
}

.view-all-link:hover {
  gap: 12px;
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.project-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--trans-smooth), box-shadow var(--trans-smooth);
}

.project-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  border-color: rgba(255, 255, 255, 0.2);
}

.project-img-wrapper {
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/3;
  background: var(--bg-surface);
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-img {
  transform: scale(1.05);
}

.project-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}

.project-info h4 {
  font-size: 1.5rem;
}

.project-info p {
  font-size: 0.95rem;
  margin-bottom: auto;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-main);
  font-weight: 500;
  margin-top: 16px;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.project-link i {
  color: var(--accent);
  transition: transform var(--trans-fast);
}

.project-link:hover i {
  transform: translate(4px, -4px);
}

/*=============================================
  Massive CTA
=============================================*/
.cta-section {
  padding-bottom: 160px;
}

.cta-container {
  padding: 80px 40px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
}

.cta-large-text {
  font-size: clamp(2rem, 5vw, 4rem);
  max-width: 800px;
}

.cta-link-wrapper {
  position: relative;
  display: inline-block;
}

.cta-massive-link {
  font-size: clamp(1.2rem, 3vw, 2rem);
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--accent);
  position: relative;
  z-index: 2;
}

.hover-underline {
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--accent);
  transform: scaleX(0.2);
  transform-origin: left;
  transition: transform var(--trans-smooth);
}

.cta-link-wrapper:hover .hover-underline {
  transform: scaleX(1);
}

/*=============================================
  Contact Section
=============================================*/
.contact-section {
  padding-bottom: 120px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-left {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-heading {
  font-size: clamp(2rem, 4vw, 3.5rem);
}

.contact-subtext {
  font-size: 1.1rem;
  max-width: 480px;
  margin-bottom: 24px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--text-main);
}

.info-item:hover .info-icon {
  background: var(--accent);
  color: #fff;
  transform: scale(1.05);
}

.info-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent);
  transition: all var(--trans-fast);
}

.info-item h4 {
  font-size: 1rem;
  margin-bottom: 4px;
  color: var(--text-muted);
}

.info-item p {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-main);
  margin: 0;
}

.contact-form-card {
  padding: 40px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: all var(--trans-fast);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
  background: rgba(0, 0, 0, 0.4);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.2);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.select-wrapper {
  position: relative;
}

.select-wrapper select {
  appearance: none;
  cursor: pointer;
}

.select-wrapper select:invalid {
  color: rgba(255, 255, 255, 0.2);
}

.select-wrapper select option {
  background: var(--bg-surface);
  color: var(--text-main);
}

.select-icon {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.submit-btn {
  width: 100%;
  padding: 16px;
  font-size: 1.1rem;
  gap: 8px;
  margin-bottom: 24px;
}

.submit-btn:hover i {
  transform: translate(4px, -4px);
}

.submit-btn i {
  transition: transform var(--trans-fast);
}

.whatsapp-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #25D366;
  font-weight: 500;
  font-size: 0.95rem;
}

.whatsapp-link:hover {
  text-decoration: underline;
}

.whatsapp-link i {
  font-size: 1.25rem;
}

.form-success-msg {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: rgba(37, 211, 102, 0.1);
  border: 1px solid rgba(37, 211, 102, 0.2);
  border-radius: var(--radius-sm);
  color: #25D366;
  font-weight: 500;
  margin-top: 16px;
  animation: fadeUp 0.4s ease-out;
}

.form-success-msg i {
  font-size: 1.5rem;
}

/*=============================================
  Footer
=============================================*/
.footer {
  border-top: 1px solid var(--glass-border);
  background: var(--bg-surface);
  padding: 80px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 64px;
}

.brand-col {
  max-width: 300px;
  /* prevents overflow */
}

.brand-col p {
  margin-top: 16px;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 1.1rem;
  margin-bottom: 24px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col ul a {
  color: var(--text-muted);
}

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

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

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  background: var(--glass-bg);
  color: var(--text-main);
  border: 1px solid var(--glass-border);
}

.social-links a:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--glass-border);
  font-size: 0.9rem;
}

.legal-links {
  display: flex;
  gap: 24px;
}

.legal-links a:hover {
  color: var(--text-main);
}

/*=============================================
  Animations & Utilities
=============================================*/
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

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

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/*=============================================
  Work Page Specific
=============================================*/
.work-hero {
  padding: 160px 0 40px;
}

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

.work-filters {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.filter-tab {
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-weight: 500;
  transition: all var(--trans-fast);
}

.filter-tab:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-main);
}

.filter-tab.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 4px 15px var(--accent-glow);
}

.work-page-grid {
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.work-page-card {
  background: #111;
  border: 1px solid var(--glass-border);
  transition: transform 300ms ease, box-shadow 300ms ease, border-color 300ms ease;
}

.work-page-card:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 15px rgba(59, 130, 246, 0.3);
  border-color: rgba(59, 130, 246, 0.5);
}

.category-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--accent);
  color: #fff;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
  z-index: 2;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/*=============================================
  Responsive Design
=============================================*/
@media (max-width: 992px) {
  .work-page-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .section-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    /* simple hidden for mobile, can toggle with JS */
  }

  .nav-menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(15, 15, 17, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    margin-top: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  }

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

  .cta-btn.sm {
    display: none;
    /* Hide on small mobile to fit logo + menu btn */
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .section-header.split {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .contact-form-card {
    padding: 24px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .expertise-grid,
  .work-grid,
  .work-page-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

/*=============================================
  Case Study Pages (FinJoy etc)
=============================================*/
:root {
  --accent-gold: #D4A64A;
}

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

.cs-hero {
  padding: 160px var(--px-container) 80px;
}

.cs-hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
}

.cs-tags {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.cs-badge {
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.cs-subtitle {
  font-size: clamp(1.2rem, 3vw, 2rem);
  font-family: var(--font-sans);
  font-weight: 500;
  color: var(--text-main);
  max-width: 800px;
}

.cs-hero-desc {
  font-size: 1.1rem;
  max-width: 600px;
  margin-bottom: 24px;
}

.cs-main-mockup {
  width: 100%;
  max-width: 1200px;
  margin-top: 40px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  padding: 8px;
  /* Give it a bezel look */
  background: rgba(255, 255, 255, 0.02);
}

.cs-main-mockup img {
  width: 100%;
  border-radius: calc(var(--radius-lg) - 8px);
  object-fit: cover;
}

.cs-overview-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 64px;
  align-items: start;
}

.cs-meta {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 32px;
}

.meta-item h4 {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.meta-item p {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-main);
}

.cs-prob-sol .section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.cs-prob,
.cs-sol {
  padding: 48px;
}

.cs-icon-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

.cs-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cs-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 1.1rem;
  color: var(--text-main);
}

.cs-list i {
  font-size: 1.5rem;
  margin-top: 2px;
}

.cs-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.cs-timeline .step-card {
  flex-direction: column;
  text-align: center;
  padding: 32px 24px;
}

.cs-timeline .step-header {
  margin-bottom: 16px;
}

.ui-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 48px;
}

.ui-mockup {
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 4px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: transform var(--trans-smooth);
}

.ui-mockup img {
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-lg) - 4px);
  display: block;
}

.ui-mockup:hover {
  transform: translateY(-8px);
}

.ui-mockup.large {
  grid-column: 1 / -1;
}

@media (max-width: 992px) {
  .cs-overview-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .cs-timeline {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {

  .cs-timeline,
  .ui-gallery,
  .cs-prob-sol .section-grid {
    grid-template-columns: 1fr;
  }
}

/* End of file */