/* =============================================
   BASE.CSS — Reset, Typography & Utilities
   ============================================= */

/* ── Reset ── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 14px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  font-family: var(--font-family);
  background-color: var(--c-offwhite);
  color: var(--c-darkest);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
}

input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
}

ul, ol {
  list-style: none;
}

/* ── Layout ── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 768px) {
  .container {
    padding: 0 3rem;
  }
}

.container--narrow {
  max-width: 900px;
}

/* ── Grid ── */
.grid {
  display: grid;
  gap: 2rem;
}

.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }

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

/* ── Flex ── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-center { align-items: center; justify-content: center; }
.flex-between { justify-content: space-between; }
.flex-start { align-items: flex-start; }
.items-center { align-items: center; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-12 { gap: 3rem; }
.gap-16 { gap: 4rem; }
.shrink-0 { flex-shrink: 0; }

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.1;
  font-weight: 800;
}

.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-4xl { font-size: 2.25rem; }
.text-5xl { font-size: 3rem; }
.text-7xl { font-size: 4.5rem; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }
.font-black { font-weight: 900; }
.font-mono { font-family: ui-monospace, SFMono-Regular, 'SF Mono', monospace; }

.tracking-tight { letter-spacing: -0.025em; }
.tracking-wider { letter-spacing: 0.05em; }
.tracking-widest { letter-spacing: 0.1em; }
.uppercase { text-transform: uppercase; }
.italic { font-style: italic; }
.leading-relaxed { line-height: 1.7; }
.leading-tight { line-height: 1.25; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

/* ── Color Utilities ── */
.text-darkest { color: var(--c-darkest); }
.text-green { color: var(--c-green); }
.text-offwhite { color: var(--c-offwhite); }
.text-blue { color: var(--c-blue); }
.text-gold { color: var(--c-gold); }
.text-white { color: var(--c-white); }
.text-red { color: var(--c-red); }
.text-gray-400 { color: var(--c-gray-400); }
.text-gray-500 { color: var(--c-gray-500); }
.text-gray-600 { color: var(--c-gray-600); }
.text-gray-700 { color: var(--c-gray-700); }

.bg-darkest { background-color: var(--c-darkest); }
.bg-green { background-color: var(--c-green); }
.bg-offwhite { background-color: var(--c-offwhite); }
.bg-blue { background-color: var(--c-blue); }
.bg-gold { background-color: var(--c-gold); }
.bg-white { background-color: var(--c-white); }

/* ── Spacing ── */
.mx-auto { margin-left: auto; margin-right: auto; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }
.mt-16 { margin-top: 4rem; }

/* ── Visibility ── */
.hidden { display: none !important; }
.invisible { visibility: hidden; }
.pointer-events-none { pointer-events: none; }
.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }
.opacity-70 { opacity: 0.7; }
.grayscale { filter: grayscale(100%); }

/* ── Misc ── */
.overflow-hidden { overflow: hidden; }
.relative { position: relative; }
.absolute { position: absolute; }
.z-10 { z-index: 10; }
.w-full { width: 100%; }
.max-w-sm { max-width: 24rem; }
.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 32rem; }
.max-w-2xl { max-width: 42rem; }

/* ── Icon Container ── */
.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.icon svg {
  width: 100%;
  height: 100%;
}

/* ── Animations ── */
@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.7; }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.animate-fade-in {
  animation: fadeIn 0.5s ease forwards;
}

.animate-scale-in {
  animation: scaleIn 0.3s ease forwards;
}