/* ========================================================================== */
/* Variables                                                                  */
/* ========================================================================== */
ul{
  list-style: none;
}
:root {
  /* Color Palette - tech-inspired, high-contrast */
  --color-background: #050812;
  --color-surface: #0e1424;
  --color-surface-alt: #141b2e;
  --color-text: #f5f6fa;
  --color-text-muted: #a3b1d1;

  /* Accent colors */
  --color-primary: #4a8dff;      /* electric blue */
  --color-primary-soft: rgba(74, 141, 255, 0.16);
  --color-primary-strong: #2b6ed8;
  --color-success: #38d996;
  --color-warning: #ffb547;
  --color-danger: #ff4b6a;

  /* Neutral grays (cool, for UI elements) */
  --gray-50: #f8fafc;
  --gray-100: #e2e8f0;
  --gray-200: #cbd5f5;
  --gray-300: #94a3b8;
  --gray-400: #64748b;
  --gray-500: #475569;
  --gray-600: #334155;
  --gray-700: #1e293b;
  --gray-800: #0f172a;
  --gray-900: #020617;

  /* Borders & dividers */
  --color-border-subtle: rgba(148, 163, 184, 0.25);
  --color-border-strong: rgba(148, 163, 184, 0.5);

  /* 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-display: "Montserrat", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;

  /* Font sizes (clamp for responsive scaling) */
  --font-size-xs: 0.75rem; /* 12px */
  --font-size-sm: 0.875rem; /* 14px */
  --font-size-base: 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 */

  /* Line heights */
  --line-height-tight: 1.1;
  --line-height-snug: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

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

  /* Radius */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 18px;
  --radius-full: 999px;

  /* Shadows - subtle neon/glow friendly */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.5);
  --shadow-sm: 0 4px 10px rgba(15, 23, 42, 0.6);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.7);
  --shadow-glow-primary: 0 0 0 1px rgba(74, 141, 255, 0.6),
    0 0 25px rgba(74, 141, 255, 0.35);

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

  /* Layout */
  --container-max-width: 1200px;
  --container-padding-x: clamp(1rem, 4vw, 2rem);
}

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

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

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

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

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

body {
  min-height: 100vh;
}

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

img {
  height: auto;
}

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

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

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

textarea {
  resize: vertical;
}

:focus {
  outline: none;
}

/* Remove animations & smooth scroll for users that prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

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

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-background);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--line-height-tight);
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.25rem, 3vw + 1rem, 3rem);
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(1.875rem, 2.5vw + 0.75rem, 2.5rem);
  margin-bottom: var(--space-3);
}

h3 {
  font-size: clamp(1.5rem, 2vw + 0.5rem, 2rem);
  margin-bottom: var(--space-2);
}

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

h5 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-1);
}

h6 {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-1);
}

p {
  margin-bottom: var(--space-3);
  color: var(--color-text-muted);
}

strong,
b {
  font-weight: 600;
}

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

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

a:hover {
  color: var(--color-primary-strong);
  text-shadow: 0 0 12px rgba(74, 141, 255, 0.6);
}

a:active {
  color: var(--color-primary);
}

/* ========================================================================== */
/* Accessibility                                                              */
/* ========================================================================== */

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.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;
}

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

/* Container */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding-x);
  padding-right: var(--container-padding-x);
}

/* Flex utilities */

.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;
}

.gap-xs {
  gap: var(--space-1);
}

.gap-sm {
  gap: var(--space-2);
}

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

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

/* Grid utilities */

.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

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

/* Spacing utilities (margin / padding) */

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

.p-4 { padding: var(--space-4) !important; }
.p-6 { padding: var(--space-6) !important; }

/* Text utilities */

.text-center { text-align: center !important; }
.text-right { text-align: right !important; }
.text-muted { color: var(--color-text-muted) !important; }

/* Layout helpers */

.full-bleed {
  width: 100vw;
  margin-left: 50%;
  transform: translateX(-50%);
}

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

/* Buttons */

.button,
button,
input[type="button"],
input[type="submit"],
input[type="reset"] {
  --btn-bg: var(--color-primary);
  --btn-bg-hover: var(--color-primary-strong);
  --btn-bg-active: #1c3f8f;
  --btn-color: #ffffff;
  --btn-radius: var(--radius-full);
  --btn-shadow: var(--shadow-sm);

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.65rem 1.4rem;
  border-radius: var(--btn-radius);
  border: 1px solid transparent;
  background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.12), transparent 40%),
    var(--btn-bg);
  color: var(--btn-color);
  font-weight: 600;
  font-size: var(--font-size-sm);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: var(--btn-shadow);
  transition: background var(--transition-normal),
    box-shadow var(--transition-normal),
    transform var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
}

.button--secondary {
  --btn-bg: transparent;
  --btn-bg-hover: rgba(15, 23, 42, 0.9);
  --btn-bg-active: rgba(15, 23, 42, 1);
  --btn-color: var(--color-text);
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-xs);
}

.button--danger {
  --btn-bg: var(--color-danger);
  --btn-bg-hover: #e22e4c;
  --btn-bg-active: #b41c35;
}

.button:hover,
button:hover,
input[type="button"]:hover,
input[type="submit"]:hover,
input[type="reset"]:hover {
  background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.18), transparent 45%),
    var(--btn-bg-hover);
  box-shadow: var(--shadow-glow-primary);
  transform: translateY(-1px);
}

.button:active,
button:active,
input[type="button"]:active,
input[type="submit"]:active,
input[type="reset"]:active {
  background: var(--btn-bg-active);
  box-shadow: var(--shadow-xs);
  transform: translateY(0);
}

.button:disabled,
button:disabled,
input[type="button"]:disabled,
input[type="submit"]:disabled,
input[type="reset"]:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

.button--icon-left > svg,
.button--icon-right > svg {
  width: 1.1em;
  height: 1.1em;
}

.button--icon-right { flex-direction: row-reverse; }

/* Inputs / Form Controls */

.input,
textarea,
select,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="tel"],
input[type="url"],
input[type="number"] {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background-color: rgba(15, 23, 42, 0.88);
  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),
    transform var(--transition-fast);
}

.input::placeholder,
textarea::placeholder,
select::placeholder,
input::placeholder {
  color: var(--color-text-muted);
  opacity: 0.7;
}

.input:focus-visible,
textarea:focus-visible,
select:focus-visible,
input[type="text"]:focus-visible,
input[type="email"]:focus-visible,
input[type="password"]:focus-visible,
input[type="search"]:focus-visible,
input[type="tel"]:focus-visible,
input[type="url"]:focus-visible,
input[type="number"]:focus-visible {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(74, 141, 255, 0.8),
    0 0 18px rgba(74, 141, 255, 0.45);
  background-color: rgba(15, 23, 42, 0.98);
  transform: translateY(-0.5px);
}

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

label {
  display: inline-block;
  margin-bottom: var(--space-1);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

/* Card */

.card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  background: radial-gradient(circle at top left, rgba(74, 141, 255, 0.08), transparent 40%),
    linear-gradient(145deg, var(--color-surface), var(--color-surface-alt));
  border: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 120% -20%, rgba(56, 217, 150, 0.18), transparent 50%);
  opacity: 0.6;
  mix-blend-mode: screen;
  pointer-events: none;
}

.card__header {
  position: relative;
  z-index: 1;
  margin-bottom: var(--space-3);
}

.card__title {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-1);
}

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

.card__body {
  position: relative;
  z-index: 1;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.card__footer {
  position: relative;
  z-index: 1;
  margin-top: var(--space-4);
}

/* Card hover variant for interactive items (e.g., product cards) */

.card--hoverable {
  cursor: pointer;
  transition: transform var(--transition-normal),
    box-shadow var(--transition-normal),
    border-color var(--transition-normal);
}

.card--hoverable:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.9);
  border-color: rgba(74, 141, 255, 0.65);
}

/* Badges (for offers, availability, etc.) */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.badge--success {
  background-color: rgba(56, 217, 150, 0.12);
  border-color: rgba(56, 217, 150, 0.5);
  color: var(--color-success);
}

.badge--warning {
  background-color: rgba(255, 181, 71, 0.12);
  border-color: rgba(255, 181, 71, 0.5);
  color: var(--color-warning);
}

.badge--danger {
  background-color: rgba(255, 75, 106, 0.12);
  border-color: rgba(255, 75, 106, 0.5);
  color: var(--color-danger);
}

/* ========================================================================== */
/* High-Resolution / Media Helpers                                            */
/* ========================================================================== */

.media-cover {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background-color: var(--gray-800);
}

.media-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow),
    filter var(--transition-slow);
}

.media-cover--hover-zoom:hover img {
  transform: scale(1.05);
  filter: saturate(1.1);
}

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