/* ========================================================================
   Variables
   ======================================================================== */
:root {
  /* Colors */
  --color-background: #050816;
  --color-surface: #0b1020;
  --color-surface-alt: #11172a;
  --color-text: #f9fafb;
  --color-text-muted: #9ca3af;

  --color-primary: #22c55e; /* energetic green */
  --color-primary-soft: rgba(34, 197, 94, 0.12);
  --color-primary-hover: #16a34a;

  --color-accent: #1d4ed8; /* bold blue */
  --color-accent-soft: rgba(37, 99, 235, 0.14);
  --color-accent-hover: #1e40af;

  --color-success: #22c55e;
  --color-warning: #eab308;
  --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, "Noto Sans", sans-serif;
  --font-display: "SF Pro Display", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, sans-serif;

  --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-height-tight: 1.15;
  --line-height-snug: 1.3;
  --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: 0.125rem;   /* 2px */
  --radius-sm: 0.25rem;    /* 4px */
  --radius-md: 0.5rem;     /* 8px */
  --radius-lg: 0.75rem;    /* 12px */
  --radius-xl: 1rem;       /* 16px */
  --radius-full: 9999px;   /* pill/circle */

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.35);
  --shadow-sm: 0 4px 10px rgba(15, 23, 42, 0.45);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.55);
  --shadow-lg: 0 22px 45px rgba(15, 23, 42, 0.65);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-base: 180ms ease-out;
  --transition-slow: 280ms ease;

  /* Layout */
  --container-max-width: 1200px;
  --container-padding-x: var(--space-4);
}

@media (min-width: 768px) {
  :root {
    --container-padding-x: var(--space-6);
  }
}


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

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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
}

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

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

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

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

/* Improve text rendering */
body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}


/* ========================================================================
   Base
   ======================================================================== */
body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background: radial-gradient(circle at top left, rgba(34, 197, 94, 0.16), transparent 55%),
              radial-gradient(circle at top right, rgba(37, 99, 235, 0.18), transparent 55%),
              var(--color-background);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--line-height-tight);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

h1 {
  font-size: clamp(2.25rem, 3vw, 3rem);
}

h2 {
  font-size: clamp(1.875rem, 2.5vw, 2.5rem);
}

h3 {
  font-size: clamp(1.5rem, 2vw, 2rem);
}

h4 {
  font-size: var(--font-size-xl);
}

h5 {
  font-size: var(--font-size-lg);
}

h6 {
  font-size: var(--font-size-base);
}

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

strong,
b {
  font-weight: 600;
}

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

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

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

code,
pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
}

hr {
  border: 0;
  border-top: 1px solid rgba(148, 163, 184, 0.35);
  margin: var(--space-6) 0;
}


/* ========================================================================
   Accessibility & Motion
   ======================================================================== */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

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

/* 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;
}

/* 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);
}

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

@media (max-width: 767px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Spacing utilities (y-axis margin helpers for key rhythms) */
.section-y-sm {
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}

.section-y {
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
}

.section-y-lg {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

/* Text alignment */
.text-center {
  text-align: center;
}

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

/* 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 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-sm);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid transparent;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #ffffff;
  box-shadow: 0 14px 35px rgba(34, 197, 94, 0.35);
}

.btn-primary:hover {
  filter: brightness(1.05);
  box-shadow: 0 18px 45px rgba(37, 99, 235, 0.45);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: rgba(148, 163, 184, 0.6);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background: rgba(15, 23, 42, 0.8);
}

.btn-ghost {
  background: rgba(15, 23, 42, 0.7);
  color: var(--color-text);
}

.btn-ghost:hover {
  background: rgba(15, 23, 42, 0.95);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.6;
  box-shadow: none;
  transform: none;
}

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

/* Inputs & form controls */
.input,
select,
textarea {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.5);
  background-color: rgba(15, 23, 42, 0.9);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base);
}

.input::placeholder,
textarea::placeholder {
  color: var(--gray-500);
}

.input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(34, 197, 94, 0.7);
  background-color: rgba(15, 23, 42, 1);
}

.input[aria-invalid="true"],
input:invalid {
  border-color: var(--color-danger);
}

label {
  display: inline-block;
  margin-bottom: 0.35rem;
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.form-helper-text {
  margin-top: 0.25rem;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.form-error-text {
  margin-top: 0.25rem;
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* Card */
.card {
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.96), rgba(15, 23, 42, 0.92));
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.card-header {
  margin-bottom: var(--space-3);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

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

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

/* Tag / badge for deals, reviews, etc. */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge-success {
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
}

.badge-info {
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
}

.badge-neutral {
  background-color: rgba(148, 163, 184, 0.16);
  color: var(--gray-300);
}

/* Rating helper (stars can be styled with icons/characters) */
.rating {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: var(--font-size-sm);
  color: var(--color-primary);
}

.rating-count {
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
}

/* Mini chip for filters */
.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(148, 163, 184, 0.5);
  font-size: var(--font-size-xs);
  cursor: pointer;
  color: var(--color-text-muted);
  background: rgba(15, 23, 42, 0.8);
  transition:
    background-color var(--transition-base),
    border-color var(--transition-base),
    color var(--transition-base);
}

.chip.is-active,
.chip[aria-pressed="true"] {
  border-color: var(--color-primary);
  background: rgba(34, 197, 94, 0.15);
  color: var(--color-text);
}

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

/* Simple pill for secure checkout & trust markers */
.trust-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(34, 197, 94, 0.5);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.trust-pill-icon {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 999px;
  background: radial-gradient(circle, var(--color-primary) 0, #22c55e 55%, rgba(34, 197, 94, 0.2) 100%);
}

/* Search bar shell for prominent search/filter area */
.search-shell {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(148, 163, 184, 0.4);
  box-shadow: var(--shadow-xs);
}

.search-shell input[type="search"] {
  border: none;
  background: transparent;
  padding-inline: 0.25rem;
}

.search-shell input[type="search"]:focus-visible {
  outline: none;
  box-shadow: none;
}

/* Basic badge for price / discount highlight */
.price-tag {
  display: inline-flex;
  align-items: baseline;
  gap: 0.25rem;
  font-weight: 600;
  color: var(--color-text);
}

.price-tag-old {
  font-size: var(--font-size-xs);
  text-decoration: line-through;
  color: var(--gray-500);
}

.price-tag-deal {
  font-size: var(--font-size-sm);
  color: var(--color-success);
}

/* End of base.css */