/* ========================================================================== 
   Variables
   ========================================================================== */
:root {
  /* Color Palette - High-tech, sleek */
  --color-bg: #05070b; /* deep graphite */
  --color-bg-elevated: #0d1117;
  --color-bg-muted: #151922;

  --color-text: #f5f7fb;
  --color-text-muted: #a5afc3;

  --color-primary: #2e8bff; /* electric blue */
  --color-primary-soft: rgba(46, 139, 255, 0.12);
  --color-primary-strong: #1c6cd1;

  --color-success: #2ecc71;
  --color-warning: #f1c40f;
  --color-danger: #e74c3c;

  /* Neutral grays (cool / metallic) */
  --gray-50: #f7f9fc;
  --gray-100: #edf0f7;
  --gray-200: #d6dce8;
  --gray-300: #b3bdd1;
  --gray-400: #8c97b1;
  --gray-500: #66708a;
  --gray-600: #4a546b;
  --gray-700: #343b4c;
  --gray-800: #222633;
  --gray-900: #12141c;

  --color-border-subtle: rgba(255, 255, 255, 0.06);
  --color-border-strong: rgba(255, 255, 255, 0.16);

  --color-focus-ring: #2e8bff;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji",
    "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  --font-mono: "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;

  --font-size-xs: 0.75rem; /* 12px */
  --font-size-sm: 0.875rem; /* 14px */
  --font-size-base: 1rem; /* 16px */
  --font-size-md: 1.0625rem; /* 17px */
  --font-size-lg: 1.25rem; /* 20px */
  --font-size-xl: 1.5rem; /* 24px */
  --font-size-2xl: 1.875rem; /* 30px */
  --font-size-3xl: 2.25rem; /* 36px */
  --font-size-4xl: 2.75rem; /* 44px */

  --line-height-tight: 1.2;
  --line-height-snug: 1.35;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (px) */
  --space-0: 0px;
  --space-1: 2px;
  --space-2: 4px;
  --space-3: 6px;
  --space-4: 8px;
  --space-5: 10px;
  --space-6: 12px;
  --space-8: 16px;
  --space-10: 20px;
  --space-12: 24px;
  --space-14: 28px;
  --space-16: 32px;
  --space-20: 40px;
  --space-24: 48px;
  --space-28: 56px;
  --space-32: 64px;
  --space-40: 80px;
  --space-48: 96px;

  /* Radius */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 999px;

  /* Shadows (subtle, high-tech, layered) */
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-elevated: 0 18px 45px rgba(0, 0, 0, 0.5);
  --shadow-focus: 0 0 0 1px rgba(46, 139, 255, 0.6),
    0 0 0 4px rgba(46, 139, 255, 0.25);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-normal: 200ms ease-out;
  --transition-slow: 320ms ease-out;

  /* Layout */
  --container-width: 1120px;
  --container-width-wide: 1280px;
  --container-padding-x: var(--space-16);
}

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

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

body,
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;
}

body {
  min-height: 100vh;
}

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

img {
  height: auto;
}

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

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

a {
  text-decoration: none;
  color: inherit;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* Remove default focus outline, we will recreate with :focus-visible */
:focus {
  outline: none;
}

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

main {
  display: block;
}

/* Headings - modern, strong hierarchy */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: var(--line-height-tight);
  color: var(--color-text);
}

h1 {
  font-size: clamp(var(--font-size-3xl), 3vw, var(--font-size-4xl));
  letter-spacing: 0.03em;
  margin-bottom: var(--space-6);
}

h2 {
  font-size: clamp(var(--font-size-2xl), 2.3vw, var(--font-size-3xl));
  margin-bottom: var(--space-4);
}

h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
}

h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-3);
}

h5 {
  font-size: var(--font-size-md);
  margin-bottom: var(--space-2);
}

h6 {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-muted);
}

strong,
b {
  font-weight: 600;
}

small {
  font-size: var(--font-size-sm);
}

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

/* Links - subtle, high-tech underline on hover */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-normal),
    text-decoration-color var(--transition-normal);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--color-primary-strong);
  text-decoration: underline;
}

/* Lists */
ul,
ol {
  margin: 0 0 var(--space-4);
  padding-left: var(--space-16);
}

/* ========================================================================== 
   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: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ========================================================================== 
   Utilities
   ========================================================================== */
/* Layout containers */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding-x);
  padding-right: var(--container-padding-x);
}

.container--wide {
  max-width: var(--container-width-wide);
}

.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;
}

.flex-row {
  flex-direction: row;
}

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

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

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

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-around {
  justify-content: space-around;
}

.gap-4 {
  gap: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

.gap-8 {
  gap: var(--space-8);
}

/* Grid helpers */
.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-8);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-8);
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Alignment */
.text-center {
  text-align: center;
}

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

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

/* Spacing utilities (sample, extend as needed) */
.mt-0 {
  margin-top: 0;
}

.mt-4 {
  margin-top: var(--space-4);
}

.mt-8 {
  margin-top: var(--space-8);
}

.mb-0 {
  margin-bottom: 0;
}

.mb-4 {
  margin-bottom: var(--space-4);
}

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

.py-8 {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

.py-16 {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

/* 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;
}

/* ========================================================================== 
   Components
   ========================================================================== */
/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: calc(var(--space-3) + 1px) var(--space-8);
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-strong));
  color: #ffffff;
  font-weight: 500;
  font-size: var(--font-size-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1;
  cursor: pointer;
  transition: background var(--transition-normal),
    box-shadow var(--transition-normal),
    transform var(--transition-fast),
    border-color var(--transition-normal),
    color var(--transition-normal);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.04),
    0 12px 30px rgba(0, 0, 0, 0.6);
}

.button:hover {
  background: linear-gradient(135deg, var(--color-primary-strong), var(--color-primary));
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(0);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.7);
}

.button:focus-visible {
  box-shadow: var(--shadow-focus);
}

.button--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-strong);
  box-shadow: none;
}

.button--ghost:hover {
  background-color: rgba(255, 255, 255, 0.04);
}

.button--secondary {
  background: linear-gradient(135deg, var(--gray-700), var(--gray-900));
  border-color: rgba(255, 255, 255, 0.06);
}

.button--danger {
  background: var(--color-danger);
}

.button[disabled],
.button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

/* Form controls */
.input,
select,
textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background-color: rgba(10, 14, 22, 0.95);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  transition: border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    background-color var(--transition-normal);
}

.input::placeholder,
textarea::placeholder {
  color: var(--gray-400);
}

.input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(46, 139, 255, 0.8);
}

.input[disabled],
select[disabled],
textarea[disabled] {
  cursor: not-allowed;
  opacity: 0.6;
}

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

label {
  display: inline-block;
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--gray-200);
}

/* Cards - for services, pricing, testimonials */
.card {
  position: relative;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at 0 0, rgba(46, 139, 255, 0.16), transparent 55%),
    linear-gradient(145deg, var(--color-bg-elevated), var(--color-bg-muted));
  border: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
}

.card--muted {
  background: linear-gradient(145deg, var(--color-bg-elevated), var(--color-bg));
}

.card-header {
  margin-bottom: var(--space-4);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

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

.card-footer {
  margin-top: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

/* Badges / tags for plans, packages */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--gray-100);
  background: rgba(255, 255, 255, 0.02);
}

.badge--primary {
  border-color: rgba(46, 139, 255, 0.7);
  background: rgba(46, 139, 255, 0.12);
  color: var(--color-primary);
}

/* Subtle dividers */
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.14),
    transparent
  );
  margin: var(--space-6) 0;
}

/* Helper for testimonials / quotes */
.quote {
  border-left: 2px solid rgba(46, 139, 255, 0.6);
  padding-left: var(--space-4);
  color: var(--color-text-muted);
  font-style: italic;
}

/* Hero-like highlighted text */
.highlight {
  background: linear-gradient(
    120deg,
    rgba(46, 139, 255, 0.18),
    rgba(255, 255, 255, 0.02)
  );
  border-radius: var(--radius-full);
  padding: 2px var(--space-3);
}

/* ========================================================================== 
   End base.css
   ========================================================================== */