/* ============================
   Variables
============================ */
:root {
  /* Colors */
  --color-background: #f8f9fa;
  --color-surface: #fff;
  --color-text: #23272f;
  --color-primary: #2563eb;
  --color-primary-hover: #1746b1;
  --color-second-hover: #e8eaf0;
  --color-success: #17c964;
  --color-warning: #fbbf24;
  --color-danger: #ef4444;
  --color-gray-900: #23272f;
  --color-gray-700: #475467;
  --color-gray-500: #98a2b3;
  --color-gray-300: #e5e7eb;
  --color-gray-100: #f3f4f6;
  --color-border: #e5e7eb;
  --color-focus: #2563eb44;

  /* Typography */
  --font-sans: 'Inter', 'Segoe UI', Arial, sans-serif;
  --font-mono: 'Fira Mono', monospace;
  --font-size-sm: 0.875rem; /* 14px */
  --font-size-base: 1rem;   /* 16px */
  --font-size-md: 1.125rem; /* 18px */
  --font-size-lg: 1.25rem;  /* 20px */
  --font-size-xl: 1.5rem;   /* 24px */
  --font-size-2xl: 2rem;    /* 32px */
  --line-height-base: 1.6;
  --line-height-heading: 1.2;

  /* Spacing */
  --space-0: 0;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-24: 96px;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(16,30,54,0.04);
  --shadow-md: 0 2px 8px 0 rgba(16,30,54,0.08);
  --shadow-lg: 0 6px 24px 0 rgba(16,30,54,0.14);

  /* Transition durations */
  --transition-fast: 120ms;
  --transition-base: 200ms;
  --transition-slow: 300ms;
}

/* ============================
   Reset / Normalize
============================ */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;

}

body, h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd {
  margin: 0;
  padding: 0;
}

ul[role='list'], ol[role='list'] {
  list-style: none;
  margin: 0;
  padding: 0;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
  background: none;
  border-radius: 0;
  outline: none;
  border: none;
  padding: 0;
  margin: 0;
}

button, [type='button'], [type='submit'], [role='button'] {
  appearance: none;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

/* Remove focus outline unless focus-visible */
:focus:not(:focus-visible) {
  outline: none;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============================
   Base Styles
============================ */
body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-background);
  line-height: var(--line-height-base);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  line-height: var(--line-height-heading);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-3);
}

h1 { font-size: var(--font-size-2xl); }
h2 { font-size: var(--font-size-xl); }
h3 { font-size: var(--font-size-lg); }
h4 { font-size: var(--font-size-md); }
h5 { font-size: var(--font-size-base); }
h6 { font-size: var(--font-size-sm); }

@media (min-width: 600px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
}

p {
  margin-bottom: var(--space-4);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  transition: color var(--transition-fast) ease;
}
a:hover, a:focus-visible {
  color: var(--color-second-hover);
  text-decoration: none;
  outline: none;
}
a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

hr {
  border: 0;
  border-top: 1px solid var(--color-gray-300);
  margin: var(--space-6) 0;
}

/* ============================
   Utilities
============================ */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.flex {
  display: flex !important;
}
.flex-center {
  justify-content: space-between;
  align-items: center;
}
.flex-col {
  flex-direction: column;
}
.grid {
  display: grid;
}
.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}
.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}
.gap-4 { gap: var(--space-4); }
.gap-8 { gap: var(--space-8); }
.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }
.pt-4 { padding-top: var(--space-4); }
.pb-4 { padding-bottom: var(--space-4); }

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0,0,0,0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Utility classes */
.overflow-hidden { overflow: hidden !important; }
.overflow-x-hidden { overflow-x: hidden !important; }
.w-full { width: 100% !important; }
.text-center { text-align: center !important; }

/* ============================
   Components
============================ */
/* Button */
.button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: var(--font-size-base);
  padding: var(--space-2) var(--space-5);
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition:
    background var(--transition-fast) ease,
    box-shadow var(--transition-base) ease;
}
.button:hover,
.button:focus-visible,
.btn:hover,
.btn:focus-visible {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
.button:disabled,
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background: var(--color-gray-500);
}

/* Inputs */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
select,
textarea {
  width: 100%;
  font-size: var(--font-size-base);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast) ease, box-shadow var(--transition-fast) ease;
  box-shadow: var(--shadow-sm);
  resize: vertical;
}
input:focus-visible, select:focus-visible, textarea:focus-visible {
  border-color: var(--color-primary);
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}
input:disabled, select:disabled, textarea:disabled {
  background: var(--color-gray-100);
  opacity: 0.6;
  cursor: not-allowed;
}

/* Card */
.card {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  transition: box-shadow var(--transition-base) cubic-bezier(.4,0,.2,1);
}
.card:hover, .card:focus-within {
  box-shadow: 0 8px 32px 0 rgba(37,99,235,.08);
}

/* ============================
   Header & Footer styles
============================ */
/* HEADER & NAV */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  z-index: 20;
  position: sticky;
  top: 0;
}
.nav-wrapper {
  min-height: 64px;
  justify-content: space-between;
  align-items: center;
  flex-direction: row;
}
.logo {
  font-family: var(--font-sans);
  font-size: var(--font-size-xl);
  font-weight: bold;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: 2px;
}
.nav-menu {
  gap: var(--space-6);
  display: flex;
  align-items: center;
}
.nav-menu li a {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-gray-900);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast) ease, color var(--transition-fast) ease;
}
.nav-menu li a:hover, .nav-menu li a:focus-visible {
  background: var(--color-primary-hover);
  color: #fff;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  height: 40px;
  width: 40px;
  position: relative;
  z-index: 31;
  margin-left: var(--space-4);
}
.mobile-menu-toggle .burger {
  display: block;
  width: 28px;
  height: 4px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  position: relative;
  transition: all 0.2s;
}
.mobile-menu-toggle .burger::before,
.mobile-menu-toggle .burger::after {
  content: '';
  position: absolute;
  left: 0;
  width: 28px;
  height: 4px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: all 0.2s;
}
.mobile-menu-toggle .burger::before {
  top: -9px;
}
.mobile-menu-toggle .burger::after {
  bottom: -9px;
}

@media (max-width: 900px) {
  .nav-menu {
    gap: var(--space-4);
  }
}
@media (max-width: 700px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 64px;
    right: 0;
    left: 0;
    background: var(--color-surface);
    flex-direction: column;
    gap: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4) 0;
    z-index: 30;
  }
  .nav-menu.open {
    display: flex;
    margin-left: 5px;
  }
  .mobile-menu-toggle {
    display: inline-flex;
  }
}

.hero_image {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: var(--space-4) 0;
}

.hero_image img {
  width: 100%;
  max-width: 800px;
  height: auto;
  display: block;
}

.site-footer {
  background: var(--color-gray-900);
  color: #fff;
  font-size: var(--font-size-sm);
  padding-top: var(--space-10);
  padding-bottom: var(--space-6);
}
.footer-content {
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-8);
  align-items: flex-start;
}
.footer-branding {
  max-width: 270px;
  margin-bottom: var(--space-4);
}
.footer-logo {
  display: block;
  font-size: var(--font-size-xl);
  font-weight: bold;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
  letter-spacing: 1px;
}
.footer-desc {
  color: var(--color-gray-300);
}
.footer-section-title {
  font-weight: 600;
  color: var(--color-primary);
  display: block;
  margin-bottom: var(--space-2);
}
.footer-nav ul, .footer-legal ul {
  padding-left: 0;
}
.footer-nav li, .footer-legal li {
  margin-bottom: var(--space-2);
}
.footer-nav a, .footer-legal a {
  color: var(--color-gray-100);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast) ease;
}
.footer-nav a:hover, .footer-legal a:hover {
  color: var(--color-primary);
}
.footer-bottom {
  border-top: 1px solid var(--color-gray-500);
  padding-top: var(--space-4);
  color: var(--color-gray-300);
  margin-top: var(--space-8);
}
@media (max-width: 900px) {
  .footer-content {
    flex-direction: column;
    gap: var(--space-4);
    align-items: flex-start;
  }
  .footer-branding {
    margin-bottom: var(--space-3);
  }
}

/* ============================
   Cookie Consent Banner
============================ */
.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0; right: 0;
  z-index: 9999;
  background: var(--color-gray-900);
  color: #fff;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-md);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: transform var(--transition-fast) ease;
}
.cookie-consent[aria-hidden="true"] {
  transform: translateY(120%);
  pointer-events: none;
}
.cookie-inner {
  max-width: 900px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: start;
}
.cookie-title {
  font-weight: bold;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}
.cookie-actions {
  margin-top: var(--space-2);
  display: flex;
  gap: var(--space-3);
}
.cookie-actions .button.secondary {
  background: var(--color-surface);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
}
.cookie-actions .button.secondary:hover, .cookie-actions .button.secondary:focus-visible {
  background: var(--color-gray-100);
  color: var(--color-primary-hover);
}

@media (max-width: 600px) {
  .cookie-inner {
    font-size: var(--font-size-sm);
    gap: var(--space-1);
  }
  .cookie-actions {
    flex-direction: column;
    width: 100%;
    gap: var(--space-1);
  }
}

/* ============================
   Mobile Responsive Styles (767px and below)
============================ */
@media (max-width: 767px) {
  /* Prevent horizontal scroll */
  html, body {
    overflow-x: hidden;
  }
  @media (max-width: 767px) {
  .flex-center {
    flex-direction: column !important;
    align-items: center !important;
    gap: var(--space-2);
  }

  .nav-wrapper {
    flex-direction: row !important;
    justify-content: space-between !important;
    align-items: center !important;
  }

  .nav-menu {
    flex-direction: column !important;
    align-items: stretch !important;
    padding: var(--space-4);
  }
}
  /* Container padding adjustments for mobile */
  .container {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }
  
  /* Grid layouts stack vertically on mobile */
  .grid-cols-2,
  .grid-cols-3 {
    grid-template-columns: 1fr !important;
    gap: var(--space-4);
  }
  
  /* Card adjustments for mobile */
  .card {
    padding: var(--space-4);
    margin-bottom: var(--space-4);
  }
  
  /* Common grid section classes */
  .project-cards,
  .feature-list,
  .team-list,
  .services-list,
  .pricing-tiers-list,
  .case-studies-list {
    display: flex !important;
    flex-direction: column;
    gap: var(--space-4);
  }
  
  /* Typography adjustments for mobile */
  h1 { 
    font-size: 1.75rem; 
    line-height: 1.3;
  }
  h2 { 
    font-size: 1.5rem; 
    line-height: 1.3;
  }
  h3 { 
    font-size: 1.25rem; 
  }
  
  /* Button adjustments for mobile */
  .button,
  .btn {
    width: 100%;
    text-align: center;
    padding: var(--space-3) var(--space-4);
  }
  
  /* Flex layout adjustments */
  .flex-center {
    flex-direction: row;
    align-items: stretch;
    gap: var(--space-4);
  }
  
  /* Navigation adjustments already covered above */
  
  /* Footer adjustments for mobile */
  .footer-content {
    flex-direction: column;
    gap: var(--space-6);
    text-align: left;
  }
  
  /* Form adjustments for mobile */
  .form-group {
    margin-bottom: var(--space-4);
  }
  
  /* Image responsiveness */
  img {
    max-width: 100%;
    height: auto;
  }
}

@media (max-width: 600px) {
  .container {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }
  
  /* Further typography adjustments for smaller screens */
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }
  
  /* Card padding reduction for very small screens */
  .card {
    padding: var(--space-3);
  }
}

@media (max-width: 480px) {
  .container {
    padding-left: var(--space-2);
    padding-right: var(--space-2);
  }
  
  /* Very small screen adjustments */
  h1 { font-size: 1.375rem; }
  h2 { font-size: 1.125rem; }
  
  .card {
    padding: var(--space-2);
    margin-bottom: var(--space-3);
  }
  
  /* Button adjustments for very small screens */
  .button,
  .btn {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
  }
}