/* ========================================================================
   Variables
   ======================================================================== */

:root {
  /* Color Palette - Blue/Gray Tech Theme */
  --color-background: #070b12; /* deep blue-black */
  --color-surface: #0f1824;
  --color-surface-alt: #161f2c;
  --color-text: #f5f7fb;
  --color-text-muted: #a2afc6;
  --color-border-subtle: #252f3f;

  --color-primary: #2f7cf6;
  --color-primary-soft: rgba(47, 124, 246, 0.16);
  --color-primary-strong: #1b5ed0;

  --color-success: #22c55e;
  --color-warning: #facc15;
  --color-danger: #ef4444;

  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2933;
  --gray-900: #111827;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-md: 1rem;      /* 16px */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.25rem;   /* 20px */
  --font-size-2xl: 1.5rem;   /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem;  /* 36px */
  --font-size-5xl: 3rem;     /* 48px */

  --line-height-tight: 1.15;
  --line-height-snug: 1.3;
  --line-height-normal: 1.6;

  /* Spacing scale (px) */
  --space-0: 0;
  --space-1: 0.125rem;  /* 2px */
  --space-2: 0.25rem;   /* 4px */
  --space-3: 0.375rem;  /* 6px */
  --space-4: 0.5rem;    /* 8px */
  --space-5: 0.625rem;  /* 10px */
  --space-6: 0.75rem;   /* 12px */
  --space-7: 0.875rem;  /* 14px */
  --space-8: 1rem;      /* 16px */
  --space-10: 1.25rem;  /* 20px */
  --space-12: 1.5rem;   /* 24px */
  --space-16: 2rem;     /* 32px */
  --space-20: 2.5rem;   /* 40px */
  --space-24: 3rem;     /* 48px */
  --space-32: 4rem;     /* 64px */
  --space-40: 5rem;     /* 80px */
  --space-48: 6rem;     /* 96px */

  /* Radius */
  --radius-xs: 3px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 18px;
  --radius-full: 999px;

  /* Shadows - subtle, modern */
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.25);
  --shadow-elevated: 0 24px 80px rgba(3, 7, 18, 0.7);
  --shadow-focus: 0 0 0 1px rgba(15, 23, 42, 0.9),
    0 0 0 4px rgba(47, 124, 246, 0.5);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-normal: 180ms ease-out;
  --transition-slow: 260ms ease-out;

  /* Layout */
  --container-max: 1120px;
}

/* ========================================================================
   Reset / Normalize
   ======================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  margin: 0;
}

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

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

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

input,
button,
textarea,
select {
  font: inherit;
}

button {
  border: none;
  padding: 0;
  background: none;
}

/* Prevent text overflows in narrow layouts */
body {
  min-height: 100vh;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* ========================================================================
   Base Styles
   ======================================================================== */

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background: radial-gradient(120% 160% at 10% 0%, #1e293b 0%, #020617 55%, #000 100%);
}

main {
  display: block;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 650;
  line-height: var(--line-height-snug);
  letter-spacing: -0.02em;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.5rem, 4vw, 3rem);
  margin-bottom: var(--space-12);
}

h2 {
  font-size: clamp(1.875rem, 3vw, 2.25rem);
  margin-bottom: var(--space-8);
}

h3 {
  font-size: clamp(1.5rem, 2.3vw, 1.875rem);
  margin-bottom: var(--space-6);
}

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-4);
}

p {
  margin-bottom: var(--space-6);
  color: var(--color-text-muted);
}

strong {
  font-weight: 600;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-normal), opacity var(--transition-fast);
}

a:hover,
a:focus-visible {
  color: var(--color-primary-strong);
}

a:focus-visible {
  outline: none;
}

code,
pre {
  font-family: var(--font-mono);
}

hr {
  border: 0;
  border-top: 1px solid var(--color-border-subtle);
  margin: var(--space-20) 0;
}

/* ========================================================================
   Accessibility & Motion
   ======================================================================== */

:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
  border-radius: var(--radius-sm);
}

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

/* ========================================================================
   Utilities
   ======================================================================== */

/* Layout containers */
.solution-list{
  list-style: none;
}
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-16);
  padding-right: var(--space-16);
}

.section {
  padding-top: var(--space-32);
  padding-bottom: var(--space-32);
}

.section--tight {
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
}

/* Flex helpers */

.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

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

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

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

.flex-wrap {
  flex-wrap: wrap;
}

/* Grid helpers */

.grid {
  display: grid;
  gap: var(--space-16);
}

.grid-2 {
  display: grid;
  gap: var(--space-16);
}

.grid-3 {
  display: grid;
  gap: var(--space-16);
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* Alignment & spacing utilities (minimal set) */

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

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

.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-4 { margin-bottom: var(--space-4) !important; }
.mb-6 { margin-bottom: var(--space-6) !important; }
.mb-8 { margin-bottom: var(--space-8) !important; }
.mb-12 { margin-bottom: var(--space-12) !important; }

.pt-0 { padding-top: 0 !important; }
.pb-0 { padding-bottom: 0 !important; }

/* Screen reader only */

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

/* ========================================================================
   Basic Components
   ======================================================================== */

/* Buttons */

.button,
button[type="button"],
button[type="submit"],
.button-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-strong));
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-normal),
    opacity var(--transition-fast);
  box-shadow: 0 18px 35px rgba(37, 99, 235, 0.35);
}

.button:hover,
button[type="button"]:hover,
button[type="submit"]:hover,
.button-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 24px 55px rgba(37, 99, 235, 0.55);
}

.button:active,
button[type="button"]:active,
button[type="submit"]:active,
.button-primary:active {
  transform: translateY(0);
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.7);
}

.button:disabled,
button[type="button"]:disabled,
button[type="submit"]:disabled,
.button-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: 0.6rem 1.3rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-subtle);
  background: rgba(15, 23, 42, 0.85);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.button-secondary:hover {
  border-color: rgba(148, 163, 184, 0.9);
  background: rgba(15, 23, 42, 1);
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

/* Inputs */

.input,
textarea,
select,
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="search"],
input[type="password"],
input[type="number"] {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(148, 163, 184, 0.35);
  background-color: rgba(15, 23, 42, 0.85);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: 1.4;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

.input::placeholder,
textarea::placeholder,
select::placeholder,
input::placeholder {
  color: rgba(148, 163, 184, 0.8);
}

.input:focus-visible,
textarea:focus-visible,
select:focus-visible,
input[type="text"]:focus-visible,
input[type="email"]:focus-visible,
input[type="tel"]:focus-visible,
input[type="url"]:focus-visible,
input[type="search"]:focus-visible,
input[type="password"]:focus-visible,
input[type="number"]:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 1), 0 0 0 3px rgba(47, 124, 246, 0.65);
  background-color: rgba(15, 23, 42, 1);
}

input:disabled,
textarea:disabled,
select:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

label {
  display: inline-block;
  margin-bottom: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Cards */

.card {
  position: relative;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.08), transparent 55%),
    radial-gradient(circle at bottom right, rgba(37, 99, 235, 0.12), transparent 55%),
    var(--color-surface);
  border: 1px solid rgba(148, 163, 184, 0.18);
  padding: var(--space-20);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.card--compact {
  padding: var(--space-12);
}

.card-header {
  margin-bottom: var(--space-8);
}

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
}

.card-meta {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--color-text-muted);
}

.card-body {
  font-size: var(--font-size-sm);
}

/* Tag / pill for service labels, tech stacks, etc. */

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(148, 163, 184, 0.45);
  background-color: rgba(15, 23, 42, 0.8);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

/* ========================================================================
   Hero / Key Visual Helpers (for tech-focused layout)
   ======================================================================== */

.hero {
  padding-top: var(--space-40);
  padding-bottom: var(--space-40);
}

@media (min-width: 768px) {
  .hero {
    padding-top: var(--space-48);
    padding-bottom: var(--space-48);
  }
}

.hero-eyebrow {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 3.25rem);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-6);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  max-width: 40rem;
  color: var(--color-text-muted);
}

.hero-cta-group {
  margin-top: var(--space-12);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* ========================================================================
   Tables (for KPIs / case-study results)
   ======================================================================== */

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

th,
td {
  padding: 0.6rem 0.4rem;
  text-align: left;
}

th {
  font-weight: 600;
  color: var(--color-text);
  border-bottom: 1px solid rgba(148, 163, 184, 0.4);
}

td {
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  color: var(--color-text-muted);
}

/* ========================================================================
   Badges for status / outcomes
   ======================================================================== */

.badge-success {
  color: #bbf7d0;
  background-color: rgba(34, 197, 94, 0.14);
  border-radius: var(--radius-full);
  padding: 0.2rem 0.55rem;
  font-size: var(--font-size-xs);
}

.badge-warning {
  color: #fef3c7;
  background-color: rgba(250, 204, 21, 0.18);
  border-radius: var(--radius-full);
  padding: 0.2rem 0.55rem;
  font-size: var(--font-size-xs);
}

.badge-danger {
  color: #fee2e2;
  background-color: rgba(239, 68, 68, 0.18);
  border-radius: var(--radius-full);
  padding: 0.2rem 0.55rem;
  font-size: var(--font-size-xs);
}