:root {
  /* Palette */
  --color-bg: #f8f9fa;
  --color-surface: #ffffff;
  --color-surface-alt: #f0f4f8;
  --color-border: #d5d8df;
  --color-secondary: #b7b7c3;
  --color-accent-light: #e0f7fa;

  /* Derived / Utility Colors */
  --color-primary: #2d3748;
  --color-text: #4a5568;
  --color-text-light: #718096;
  --color-brand: #3b82f6;
  --color-brand-hover: #2563eb;
  --color-success: #10b981;
  --color-danger: #ef4444;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;

  /* Layout */
  --container-width: 1200px;
  --header-height: 80px;
  --border-radius: 12px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

h1 {
  font-size: 3rem;
}
h2 {
  font-size: 2.5rem;
}
h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1rem;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.2s;
}

ul {
  list-style: none;
}

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

/* Utilities */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

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

.section--alt {
  background-color: var(--color-surface);
}

.text-center {
  text-align: center;
}
.mb-1 {
  margin-bottom: var(--spacing-sm);
}
.mb-2 {
  margin-bottom: var(--spacing-md);
}
.mb-4 {
  margin-bottom: var(--spacing-lg);
}

.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}
.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}
.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.mobile-only {
  display: none;
}

/* Images & Visuals */
.img-rounded {
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  object-fit: cover;
  width: 100%;
  height: 100%;
  min-height: 300px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  font-size: 1rem;
}

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

.btn--primary:hover {
  background-color: #1a202c;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(45, 55, 72, 0.3);
}

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

.btn--outline:hover {
  background-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(45, 55, 72, 0.2);
}

.btn--full {
  width: 100%;
  text-align: center;
}

/* Header */
.header {
  height: var(--header-height);
  background-color: rgba(248, 249, 250, 0.9);
  backdrop-filter: blur(10px);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--color-border);
}

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

.logo {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
}

.logo img {
  width: 180px;
  height: auto;
}

.nav__list {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

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

.nav__link::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--color-brand);
  transition: width 0.3s ease;
}

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

.nav__link:hover::after {
  width: 100%;
}

.header__actions {
  flex: 1;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 1rem;
}

.burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
}

.burger span {
  width: 25px;
  height: 2px;
  background-color: var(--color-primary);
  transition: 0.3s;
}

/* Hero */
.hero {
  padding-top: calc(var(--header-height) + var(--spacing-lg));
  padding-bottom: var(--spacing-lg);
  position: relative;
  overflow: hidden;
  background: radial-gradient(
      circle at top right,
      rgba(59, 130, 246, 0.05),
      transparent 40%
    ),
    radial-gradient(
      circle at bottom left,
      rgba(59, 130, 246, 0.05),
      transparent 40%
    );
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr; /* Text takes slightly more space */
  gap: var(--spacing-lg);
  align-items: center;
}

.hero__content h1 {
  font-size: 3.5rem; /* Larger heading */
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero__subtitle {
  color: var(--color-brand); /* Brand color for subtitle */
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  font-size: 0.875rem;
  display: block;
}

.hero__image-container {
  position: relative;
}

/* Decorative element behind hero image */
.hero__image-container::before {
  content: "";
  position: absolute;
  top: -20px;
  right: -20px;
  bottom: 20px;
  left: 20px;
  background-color: var(--color-accent-light);
  border-radius: var(--border-radius);
  z-index: -1;
}

.hero__stats {
  margin-top: var(--spacing-lg);
  display: flex;
  gap: 30px; /* Increased gap */
  justify-content: center;
  flex-wrap: wrap;
  border-top: 1px solid var(--color-border);
  padding-top: var(--spacing-md);
}

@media (min-width: 540px) {
  .hero__stats {
    gap: var(--spacing-lg);
    justify-content: flex-start;
  }
}

.stat-item {
  text-align: left;
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary); /* Changed to primary */
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-label {
  color: var(--color-text-light);
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* One Team / Cards Hover Effects */
.one-team__card {
  background: var(--color-surface);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  text-align: center;
  height: 100%;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.one-team__card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-accent-light);
}

.one-team__icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-brand);
  transition: transform 0.3s;
}

.one-team__card:hover .one-team__icon {
  transform: scale(1.1);
}

/* Services / What We Do */
.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  transition: all 0.3s ease;
}

.service-card:hover {
  border-color: var(--color-brand);
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.service-card h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-card h3 i {
  color: var(--color-brand);
}

.service-card ul li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.service-card ul li::before {
  content: "•";
  color: var(--color-brand);
  position: absolute;
  left: 0;
  font-weight: bold;
}

/* Why Section */
.why-item {
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}

.why-icon {
  min-width: 32px;
  height: 32px;
  background-color: var(--color-accent-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-brand);
  font-weight: bold;
}

/* How We Work (Redesigned) */
.how-we-work-wrapper {
  max-width: 900px;
  margin: 0 auto;
}

.process-steps {
  display: grid;
  gap: 2rem;
  position: relative;
}

/* Connecting line for desktop */
.process-steps::before {
  content: "";
  position: absolute;
  top: 2rem;
  bottom: 2rem;
  left: 50%;
  width: 2px;
  background: var(--color-border);
  transform: translateX(-50%);
  z-index: 0;
}

.step {
  position: relative;
  z-index: 1;
  width: 50%;
  padding: 0 2rem;
}

/* Left side steps */
.step:nth-child(odd) {
  left: 0;
  text-align: right;
  padding-left: 0;
}

.step:nth-child(odd) .step__number {
  right: -24px; /* Half of circle width + border/gap adjustment */
  left: auto;
}

/* Right side steps */
.step:nth-child(even) {
  left: 50%;
  text-align: left;
  padding-right: 0;
  margin-top: 2rem; /* Stagger effect */
}

.step:nth-child(even) .step__number {
  left: -24px;
}

.step__card {
  background: white;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.step:hover .step__card {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-brand);
}

.step__number {
  position: absolute;
  top: 1.5rem;
  width: 48px;
  height: 48px;
  background-color: var(--color-surface);
  border: 2px solid var(--color-brand);
  color: var(--color-brand);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.25rem;
  z-index: 2;
  transition: all 0.3s;
}

.step:hover .step__number {
  background-color: var(--color-brand);
  color: white;
  transform: scale(1.1);
}

.step h3 {
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.step p {
  margin-bottom: 0;
  color: var(--color-text);
  font-size: 0.95rem;
}

/* Technologies */
.tech-category {
  margin-bottom: var(--spacing-md);
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.tag {
  background-color: white;
  border: 1px solid var(--color-border);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.875rem;
  color: var(--color-text);
  font-weight: 500;
  transition: all 0.2s;
}

.tag:hover {
  border-color: var(--color-brand);
  color: var(--color-brand);
  background-color: var(--color-accent-light);
}

/* Real Projects */
.project-card {
  background: var(--color-surface);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.project-content {
  padding: var(--spacing-md);
}

.project-stat {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-brand);
  line-height: 1;
  margin-bottom: 0.5rem;
}

/* Reviews */
.review-card {
  background: var(--color-surface-alt);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  position: relative;
  transition: transform 0.3s;
}

.review-card:hover {
  transform: scale(1.02);
}

.review-quote {
  font-size: 1.1rem;
  font-style: italic;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.reviewer {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.reviewer-avatar {
  width: 48px;
  height: 48px;
  background-color: var(--color-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
}

/* Comparison Table */
.comparison-table-wrapper {
  overflow-x: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  background: white;
}

.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--color-surface);
  min-width: 600px;
}

.comparison-table th,
.comparison-table td {
  padding: 1.25rem 1rem;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
  background-color: #f1f5f9;
  color: var(--color-primary);
  text-align: center;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
}

.comparison-table th:first-child,
.comparison-table td:first-child {
  text-align: left;
  font-weight: 600;
  position: sticky;
  left: 0;
  background-color: white;
  z-index: 2;
  border-right: 1px solid var(--color-border);
}

.comparison-table .highlight-col {
  background-color: var(--color-accent-light);
  color: var(--color-primary);
  position: relative;
}

.icon-check {
  color: var(--color-success);
  font-size: 1.5rem;
  display: inline-flex;
}

.icon-cross {
  color: var(--color-secondary);
  font-size: 1.5rem;
  display: inline-flex;
  opacity: 0.5;
}

/* Pricing */
.pricing-description {
  max-width: 600px;
  margin: 0 auto 3rem auto;
  text-align: center;
}

.pricing-card {
  background: var(--color-surface);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transition: all 0.3s;
}

.pricing-card:hover {
  border-color: var(--color-brand);
  box-shadow: var(--shadow-md);
}

.pricing-card--popular {
  border: 2px solid var(--color-brand);
  transform: scale(1.05);
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-lg);
}

.pricing-card--popular:hover {
  transform: scale(1.05) translateY(-5px);
}

.pricing-badge {
  background-color: var(--color-brand);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  letter-spacing: 0.05em;
}

.pricing-card ul {
  margin: var(--spacing-md) 0;
  flex-grow: 1;
}

.pricing-card li {
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.pricing-card li i {
  color: var(--color-success);
  font-size: 1.1rem;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: start;
}

.contact-form {
  background: var(--color-surface);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 1rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-family: inherit;
  transition: all 0.2s;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-brand);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

/* Footer */
.footer {
  background-color: #1a202c;
  color: white;
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer h4 {
  color: white;
  margin-bottom: 1rem;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: #a0aec0;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid #2d3748;
  padding-top: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  color: #718096;
  font-size: 0.875rem;
}

/* Mobile Responsive */
@media (max-width: 960px) {
  h1 {
    font-size: 2.25rem;
  }
  h2 {
    font-size: 1.875rem;
  }

  .hero {
    padding-top: calc(var(--header-height) + var(--spacing-md));
    padding-bottom: var(--spacing-md);
  }

  .hero__content h1 {
    font-size: 2.5rem;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

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

  .hero__grid .hero__image-container {
    order: -1;
  }

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

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

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

  .footer-bottom div:last-child {
    justify-content: center;
    width: 100%;
  }

  .mobile-only {
    display: block;
  }

  .desktop-only {
    display: none;
  }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: white;
    padding: var(--spacing-md);
    transform: translateY(-150%);
    transition: transform 0.3s ease-in-out;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }

  .nav.active {
    transform: translateY(0);
  }

  .nav__list {
    flex-direction: column;
    text-align: center;
  }

  .burger {
    display: flex;
  }

  .pricing-card--popular {
    transform: scale(1);
  }

  .comparison-table th:nth-child(3),
  .comparison-table td:nth-child(3) {
    position: sticky;
    left: 0;
    background-color: var(--color-accent-light);
    z-index: 1;
    border-left: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
  }

  /* How We Work Mobile */
  .process-steps {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .process-steps::before {
    left: 1.5rem; /* Align line to left side */
  }

  .step {
    width: 100%;
    left: 0 !important;
    padding-left: 4rem !important;
    padding-right: 0 !important;
    text-align: left !important;
    margin-top: 0 !important;
  }

  .step__number {
    left: 0 !important;
    right: auto !important;
    top: 0;
  }
}