/* ============================================================
   ELSTER — Dark Luxury Numismatic Website
   Pure CSS Stylesheet (no frameworks)
   ============================================================ */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,500;1,600;1,700&family=Montserrat:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,300;1,400&display=swap');

/* ============================================================
   1. CSS RESET & BASE
   ============================================================ */

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

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

body {
  background-color: #000;
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Cormorant Garamond', serif;
  line-height: 1.2;
}

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

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

ul, ol {
  list-style: none;
}

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

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

::selection {
  background-color: #fff;
  color: #000;
}

::-moz-selection {
  background-color: #fff;
  color: #000;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #000;
}

::-webkit-scrollbar-thumb {
  background: #333;
}

::-webkit-scrollbar-thumb:hover {
  background: #555;
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: #333 #000;
}

/* ============================================================
   2. LAYOUT
   ============================================================ */

.container {
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

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

.grid-cols-1 {
  grid-template-columns: repeat(1, 1fr);
}

.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

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

.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-10 { gap: 2.5rem; }
.gap-12 { gap: 3rem; }
.gap-16 { gap: 4rem; }
.gap-20 { gap: 5rem; }
.gap-24 { gap: 6rem; }

.col-span-2 { grid-column: span 2; }
.col-span-3 { grid-column: span 3; }

/* Flexbox Utilities */
.flex {
  display: flex;
}

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

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

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

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

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

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

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

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

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

.justify-end {
  justify-content: flex-end;
}

.space-x-2 > * + * { margin-left: 0.5rem; }
.space-x-3 > * + * { margin-left: 0.75rem; }
.space-x-4 > * + * { margin-left: 1rem; }
.space-x-6 > * + * { margin-left: 1.5rem; }
.space-x-8 > * + * { margin-left: 2rem; }
.space-x-12 > * + * { margin-left: 3rem; }

.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }
.space-y-8 > * + * { margin-top: 2rem; }
.space-y-12 > * + * { margin-top: 3rem; }
.space-y-16 > * + * { margin-top: 4rem; }

.grow { flex-grow: 1; }
.shrink-0 { flex-shrink: 0; }

/* ============================================================
   3. TYPOGRAPHY
   ============================================================ */

/* Font Sizes */
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
.text-5xl { font-size: 3rem; line-height: 1.15; }
.text-6xl { font-size: 3.75rem; line-height: 1.1; }
.text-7xl { font-size: 4.5rem; line-height: 1.05; }
.text-8xl { font-size: 6rem; line-height: 1; }

/* Font Families */
.font-serif { font-family: 'Cormorant Garamond', serif; }
.font-sans { font-family: 'Montserrat', sans-serif; }
.font-mono { font-family: 'Courier New', monospace; }

/* Font Weights */
.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

/* Text Transform & Spacing */
.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }
.tracking-tighter { letter-spacing: -0.05em; }
.tracking-tight { letter-spacing: -0.025em; }
.tracking-normal { letter-spacing: 0; }
.tracking-wide { letter-spacing: 0.025em; }
.tracking-wider { letter-spacing: 0.05em; }
.tracking-widest { letter-spacing: 0.1em; }

/* Text Style */
.italic { font-style: italic; }
.not-italic { font-style: normal; }

/* Line Heights */
.leading-none { line-height: 1; }
.leading-tight { line-height: 1.25; }
.leading-snug { line-height: 1.375; }
.leading-normal { line-height: 1.5; }
.leading-relaxed { line-height: 1.625; }
.leading-loose { line-height: 2; }

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

/* Text Colors */
.text-white { color: #fff; }
.text-black { color: #000; }
.text-white\/10 { color: rgba(255, 255, 255, 0.1); }
.text-white\/40 { color: rgba(255, 255, 255, 0.4); }
.text-white\/60 { color: rgba(255, 255, 255, 0.6); }
.text-white\/80 { color: rgba(255, 255, 255, 0.8); }
.text-white\/90 { color: rgba(255, 255, 255, 0.9); }
.text-gray-300 { color: #d1d5db; }
.text-gray-400 { color: #9ca3af; }
.text-gray-500 { color: #6b7280; }
.text-gray-600 { color: #4b5563; }
.text-gray-700 { color: #374151; }

/* ============================================================
   4. COLORS & BACKGROUNDS
   ============================================================ */

.bg-black { background-color: #000; }
.bg-white { background-color: #fff; }
.bg-zinc-950 { background-color: #09090b; }
.bg-zinc-900 { background-color: #18181b; }
.bg-zinc-900\/30 { background-color: rgba(24, 24, 27, 0.3); }
.bg-zinc-900\/50 { background-color: rgba(24, 24, 27, 0.5); }
.bg-white\/5 { background-color: rgba(255, 255, 255, 0.05); }
.bg-white\/10 { background-color: rgba(255, 255, 255, 0.1); }
.bg-white\/\[0\.02\] { background-color: rgba(255, 255, 255, 0.02); }
.bg-black\/70 { background-color: rgba(0, 0, 0, 0.7); }
.bg-black\/90 { background-color: rgba(0, 0, 0, 0.9); }
.bg-black\/95 { background-color: rgba(0, 0, 0, 0.95); }
.bg-black\/98 { background-color: rgba(0, 0, 0, 0.98); }
.bg-gray-200 { background-color: #e5e7eb; }

/* Border Colors */
.border { border: 1px solid; }
.border-b { border-bottom: 1px solid; }
.border-t { border-top: 1px solid; }
.border-l { border-left: 1px solid; }
.border-r { border-right: 1px solid; }
.border-l-2 { border-left: 2px solid; }

.border-transparent { border-color: transparent; }
.border-white { border-color: #fff; }
.border-white\/5 { border-color: rgba(255, 255, 255, 0.05); }
.border-white\/10 { border-color: rgba(255, 255, 255, 0.1); }
.border-white\/20 { border-color: rgba(255, 255, 255, 0.2); }
.border-white\/30 { border-color: rgba(255, 255, 255, 0.3); }
.border-white\/40 { border-color: rgba(255, 255, 255, 0.4); }
.border-dashed { border-style: dashed; }

/* ============================================================
   5. SPACING UTILITIES
   ============================================================ */

/* Padding */
.p-0 { padding: 0; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.p-10 { padding: 2.5rem; }
.p-12 { padding: 3rem; }
.p-16 { padding: 4rem; }

.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.px-10 { padding-left: 2.5rem; padding-right: 2.5rem; }

.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-10 { padding-top: 2.5rem; padding-bottom: 2.5rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }
.py-24 { padding-top: 6rem; padding-bottom: 6rem; }
.py-32 { padding-top: 8rem; padding-bottom: 8rem; }

.pt-4 { padding-top: 1rem; }
.pt-8 { padding-top: 2rem; }
.pt-20 { padding-top: 5rem; }
.pt-32 { padding-top: 8rem; }
.pt-40 { padding-top: 10rem; }
.pb-4 { padding-bottom: 1rem; }
.pb-6 { padding-bottom: 1.5rem; }
.pb-8 { padding-bottom: 2rem; }
.pb-10 { padding-bottom: 2.5rem; }
.pb-12 { padding-bottom: 3rem; }
.pb-20 { padding-bottom: 5rem; }
.pl-6 { padding-left: 1.5rem; }
.pl-10 { padding-left: 2.5rem; }
.pr-4 { padding-right: 1rem; }

/* Margin */
.m-0 { margin: 0; }
.mx-auto { margin-left: auto; margin-right: auto; }

.mt-0 { margin-top: 0; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-10 { margin-top: 2.5rem; }
.mt-12 { margin-top: 3rem; }
.mt-16 { margin-top: 4rem; }

.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; }
.mb-12 { margin-bottom: 3rem; }
.mb-16 { margin-bottom: 4rem; }

.ml-2 { margin-left: 0.5rem; }
.ml-3 { margin-left: 0.75rem; }
.mr-2 { margin-right: 0.5rem; }
.mr-3 { margin-right: 0.75rem; }

.-bottom-10 { bottom: -2.5rem; }
.-left-10 { left: -2.5rem; }

/* ============================================================
   6. SIZING
   ============================================================ */

.w-full { width: 100%; }
.w-3\/4 { width: 75%; }
.w-1\/2 { width: 50%; }
.w-auto { width: auto; }
.w-3 { width: 0.75rem; }
.w-4 { width: 1rem; }
.w-5 { width: 1.25rem; }
.w-8 { width: 2rem; }
.w-12 { width: 3rem; }
.w-40 { width: 10rem; }

.h-full { height: 100%; }
.h-screen { height: 100vh; }
.h-3 { height: 0.75rem; }
.h-4 { height: 1rem; }
.h-5 { height: 1.25rem; }
.h-8 { height: 2rem; }
.h-12 { height: 3rem; }
.h-40 { height: 10rem; }

.min-h-screen { min-height: 100vh; }
.min-h-\[450px\] { min-height: 450px; }

.max-w-xs { max-width: 20rem; }
.max-w-sm { max-width: 24rem; }
.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 32rem; }
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-\[280px\] { max-width: 280px; }
.max-w-\[350px\] { max-width: 350px; }

/* ============================================================
   7. POSITIONING
   ============================================================ */

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.top-0 { top: 0; }
.top-4 { top: 1rem; }
.left-0 { left: 0; }
.left-4 { left: 1rem; }
.left-6 { left: 1.5rem; }
.right-0 { right: 0; }
.right-4 { right: 1rem; }
.bottom-0 { bottom: 0; }

.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

/* ============================================================
   8. NAVBAR
   ============================================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition: all 300ms ease;
  border-bottom: 1px solid transparent;
  background: transparent;
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}

.navbar--scrolled {
  background-color: rgba(0, 0, 0, 0.9);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom-color: rgba(255, 255, 255, 0.1);
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.navbar__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo {
  font-size: 1.5rem;
  font-family: 'Cormorant Garamond', serif;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
  display: inline-flex;
  align-items: center;
  transition: color 300ms ease;
}

.navbar__logo:hover {
  color: #d1d5db;
}

.navbar__logo-icon {
  width: 2rem;
  height: 2rem;
  margin-right: 0.75rem;
}

.navbar__links {
  display: none;
  gap: 3rem;
}

.navbar__link {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 500;
  transition: color 300ms ease;
  color: rgba(255, 255, 255, 0.9);
}

.navbar__link:hover {
  color: rgba(255, 255, 255, 0.7);
}

.navbar__link--active {
  color: #fff;
  border-bottom: 1px solid #fff;
  padding-bottom: 0.25rem;
}

.navbar__mobile-toggle {
  display: block;
  color: #fff;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.navbar__mobile-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  animation: fadeIn 0.3s ease-out;
}

.navbar__mobile-link {
  font-size: 1.125rem;
  font-family: 'Cormorant Garamond', serif;
  color: #fff;
  text-align: center;
}

@media (min-width: 768px) {
  .navbar__links {
    display: flex;
  }
  .navbar__mobile-toggle {
    display: none;
  }
}

/* ============================================================
   9. BUTTONS
   ============================================================ */

.btn-primary {
  display: inline-flex;
  align-items: center;
  background-color: #fff;
  color: #000;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 1rem 2.5rem;
  border: none;
  cursor: pointer;
  transition: background-color 300ms ease;
}

.btn-primary:hover {
  background-color: #e5e7eb;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  background-color: transparent;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 700;
  font-size: 0.875rem;
  padding: 1rem 2.5rem;
  border: 1px solid #fff;
  cursor: pointer;
  transition: all 300ms ease;
}

.btn-outline:hover {
  background-color: #fff;
  color: #000;
}

/* ============================================================
   10. FORM ELEMENTS
   ============================================================ */

input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="number"],
input[type="url"],
.form-input {
  width: 100%;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem;
  color: #fff;
  font-family: 'Cormorant Garamond', serif;
  text-transform: uppercase;
  font-size: 0.875rem;
  outline: none;
  transition: border-color 300ms ease;
}

input[type="text"]::placeholder,
input[type="email"]::placeholder,
input[type="password"]::placeholder,
input[type="tel"]::placeholder,
input[type="number"]::placeholder,
input[type="url"]::placeholder,
.form-input::placeholder {
  color: #374151;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus,
input[type="url"]:focus,
.form-input:focus {
  border-color: #fff;
}

select,
.form-select {
  width: 100%;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem;
  color: #fff;
  font-family: 'Cormorant Garamond', serif;
  text-transform: uppercase;
  font-size: 0.875rem;
  outline: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.75rem center;
  background-repeat: no-repeat;
  background-size: 1.25rem;
  cursor: pointer;
  transition: border-color 300ms ease;
}

select:focus,
.form-select:focus {
  border-color: #fff;
}

select option {
  background-color: #000;
  color: #fff;
}

textarea,
.form-textarea {
  width: 100%;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem;
  color: #fff;
  font-family: 'Cormorant Garamond', serif;
  text-transform: uppercase;
  font-size: 0.875rem;
  outline: none;
  resize: none;
  transition: border-color 300ms ease;
}

textarea::placeholder,
.form-textarea::placeholder {
  color: #374151;
}

textarea:focus,
.form-textarea:focus {
  border-color: #fff;
}

label {
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #6b7280;
  font-weight: 700;
}

/* ============================================================
   11. COIN CARD
   ============================================================ */

.coin-card {
  display: block;
  background-color: rgba(24, 24, 27, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 500ms ease;
}

.coin-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.coin-card__image-container {
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), transparent);
  aspect-ratio: 1 / 1;
  overflow: hidden;
  position: relative;
  perspective: 1000px;
}

.coin-card__badge {
  position: absolute;
  z-index: 20;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background-color: #000;
  padding: 0.25rem 0.5rem;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.coin-card__badge--id {
  top: 1rem;
  left: 1rem;
}

.coin-card__badge--nominal {
  top: 1rem;
  right: 1rem;
}

.coin-card__flipper {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 700ms ease;
  transform-style: preserve-3d;
}

.coin-card:hover .coin-card__flipper {
  transform: rotateY(180deg);
}

.coin-card__face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.coin-card__face--back {
  transform: rotateY(180deg);
}

.coin-card__coin-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 25px 25px rgba(0, 0, 0, 0.5));
}

.coin-card__info {
  padding: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.coin-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.coin-card__title {
  font-size: 1.25rem;
  font-family: 'Cormorant Garamond', serif;
  padding-right: 1rem;
  transition: color 300ms ease;
}

.coin-card:hover .coin-card__title {
  color: #d1d5db;
}

.coin-card__price {
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
  color: #9ca3af;
  white-space: nowrap;
}

.coin-card__description {
  color: #6b7280;
  font-size: 0.875rem;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.coin-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #4b5563;
}

/* ============================================================
   12. SPEC BOX
   ============================================================ */

.spec-box {
  background-color: #000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 10rem;
  text-align: center;
  padding: 1.5rem;
  transition: background-color 300ms ease;
}

.spec-box:hover {
  background-color: rgba(24, 24, 27, 0.5);
}

.spec-box__icon {
  width: 1.25rem;
  height: 1.25rem;
  color: #9ca3af;
  margin-bottom: 0.75rem;
}

.spec-box__label {
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #6b7280;
  margin-bottom: 0.25rem;
}

.spec-box__value {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.25rem;
  color: #fff;
}

/* ============================================================
   13. TESTIMONIAL CARD
   ============================================================ */

.testimonial-card {
  background-color: #000;
  padding: 2.5rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
  position: relative;
}

.testimonial-card__quote-mark {
  font-size: 3.75rem;
  font-family: 'Cormorant Garamond', serif;
  color: rgba(255, 255, 255, 0.1);
  position: absolute;
  top: 1rem;
  left: 1.5rem;
  line-height: 1;
}

.testimonial-card__text {
  color: #d1d5db;
  line-height: 1.625;
  margin-bottom: 2rem;
  position: relative;
  z-index: 10;
  padding-top: 1rem;
  font-weight: 300;
  font-style: italic;
}

.testimonial-card__attribution {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.6);
}

/* ============================================================
   14. HERO SECTIONS
   ============================================================ */

.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__background {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__background img,
.hero__background video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__background img {
  opacity: 0.6;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.2), #000);
}

.hero__content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 0 1.5rem;
}

/* ============================================================
   15. PAGE HEADERS
   ============================================================ */

.page-header {
  position: relative;
  padding-top: 8rem;
  padding-bottom: 3rem;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.page-header__video {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-header__video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: grayscale(100%);
}

.page-header__video-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.4), #09090b);
}

.page-header__content {
  position: relative;
  z-index: 10;
}

.page-header__title {
  font-size: 3rem;
  font-family: 'Cormorant Garamond', serif;
  margin-bottom: 1.5rem;
}

.page-header__description {
  color: #9ca3af;
  font-weight: 300;
  max-width: 42rem;
  font-size: 1.125rem;
}

/* ============================================================
   16. FOOTER
   ============================================================ */

.footer {
  background-color: #000;
  color: #fff;
  padding-top: 5rem;
  padding-bottom: 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__grid {
  display: grid;
  gap: 3rem;
}

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

.footer__brand-name {
  font-size: 1.5rem;
  font-family: 'Cormorant Garamond', serif;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
}

.footer__description {
  color: #9ca3af;
  font-weight: 300;
  line-height: 1.625;
  max-width: 20rem;
}

.footer__heading {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
  color: rgba(255, 255, 255, 0.8);
}

.footer__link {
  color: #9ca3af;
  transition: color 300ms ease;
  display: block;
}

.footer__link:hover {
  color: #fff;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer__bottom {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.75rem;
  color: #4b5563;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* ============================================================
   17. ANIMATIONS
   ============================================================ */

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

@keyframes slideInFromTop {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.animate-fade-in {
  animation: fadeIn 0.8s ease-out forwards;
}

.animate-slide-in {
  animation: slideInFromTop 0.5s ease-out forwards;
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-500 { animation-delay: 500ms; }
.delay-700 { animation-delay: 700ms; }

/* ============================================================
   18. TRANSITIONS
   ============================================================ */

.transition-colors {
  transition-property: color, background-color, border-color;
  transition-timing-function: ease;
  transition-duration: 300ms;
}

.transition-all {
  transition-property: all;
  transition-timing-function: ease;
  transition-duration: 300ms;
}

.transition-transform {
  transition-property: transform;
  transition-timing-function: ease;
  transition-duration: 300ms;
}

.transition-opacity {
  transition-property: opacity;
  transition-timing-function: ease;
  transition-duration: 300ms;
}

.duration-300 { transition-duration: 300ms; }
.duration-500 { transition-duration: 500ms; }
.duration-700 { transition-duration: 700ms; }

/* ============================================================
   19. UTILITY CLASSES
   ============================================================ */

/* Display */
.block { display: block; }
.inline-block { display: inline-block; }
.hidden { display: none; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-x-hidden { overflow-x: hidden; }
.overflow-y-auto { overflow-y: auto; }

/* Object Fit */
.object-cover { object-fit: cover; }
.object-contain { object-fit: contain; }

/* Aspect Ratios */
.aspect-square { aspect-ratio: 1 / 1; }
.aspect-video { aspect-ratio: 16 / 9; }
.aspect-\[21\/9\] { aspect-ratio: 21 / 9; }
.aspect-\[3\/4\] { aspect-ratio: 3 / 4; }

/* Filters */
.grayscale { filter: grayscale(100%); }
.grayscale-0 { filter: grayscale(0); }
.contrast-125 { filter: contrast(1.25); }
.grayscale.contrast-125 { filter: grayscale(100%) contrast(1.25); }

/* Opacity */
.opacity-0 { opacity: 0; }
.opacity-30 { opacity: 0.3; }
.opacity-50 { opacity: 0.5; }
.opacity-60 { opacity: 0.6; }
.opacity-70 { opacity: 0.7; }
.opacity-80 { opacity: 0.8; }
.opacity-100 { opacity: 1; }

/* Drop Shadow */
.drop-shadow-2xl {
  filter: drop-shadow(0 25px 25px rgba(0, 0, 0, 0.5));
}

/* Backdrop Blur */
.backdrop-blur-sm {
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

.backdrop-blur-md {
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

/* Text Overflow */
.whitespace-nowrap { white-space: nowrap; }
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 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-width: 0;
}

/* Cursor */
.cursor-pointer { cursor: pointer; }
.cursor-zoom-in { cursor: zoom-in; }

/* Pointer Events */
.pointer-events-none { pointer-events: none; }

/* Divide */
.divide-y > * + * { border-top: 1px solid rgba(255, 255, 255, 0.1); }
.divide-x > * + * { border-left: 1px solid rgba(255, 255, 255, 0.1); }
.divide-white\/10 > * + * { border-color: rgba(255, 255, 255, 0.1); }

/* 3D Transform Utilities */
.perspective-1000 { perspective: 1000px; }
.preserve-3d { transform-style: preserve-3d; }
.backface-hidden {
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.rotate-y-180 { transform: rotateY(180deg); }

/* Hover Utilities */
.hover\:bg-white:hover { background-color: #fff; }
.hover\:text-black:hover { color: #000; }
.hover\:text-white:hover { color: #fff; }
.hover\:text-gray-300:hover { color: #d1d5db; }
.hover\:text-white\/70:hover { color: rgba(255, 255, 255, 0.7); }
.hover\:bg-gray-200:hover { background-color: #e5e7eb; }
.hover\:bg-zinc-900\/50:hover { background-color: rgba(24, 24, 27, 0.5); }
.hover\:bg-white\/5:hover { background-color: rgba(255, 255, 255, 0.05); }
.hover\:border-white\/20:hover { border-color: rgba(255, 255, 255, 0.2); }
.hover\:border-white\/40:hover { border-color: rgba(255, 255, 255, 0.4); }
.hover\:border-white:hover { border-color: #fff; }
.hover\:scale-105:hover { transform: scale(1.05); }
.hover\:translate-x-1:hover { transform: translateX(0.25rem); }
.hover\:grayscale-0:hover { filter: grayscale(0); }
.hover\:opacity-100:hover { opacity: 1; }

/* Group hover */
.group:hover .group-hover\:text-gray-300 { color: #d1d5db; }
.group:hover .group-hover\:translate-x-1 { transform: translateX(0.25rem); }
.group:hover .group-hover\:scale-105 { transform: scale(1.05); }
.group:hover .group-hover\:bg-white { background-color: #fff; }
.group:hover .group-hover\:text-black { color: #000; }
.group:hover .group-hover\:bg-white\/5 { background-color: rgba(255, 255, 255, 0.05); }
.group:hover .group-hover\:rotate-y-180 { transform: rotateY(180deg); }
.group:hover .group-hover\:grayscale-0 { filter: grayscale(0); }
.group:hover .group-hover\:border-white { border-color: #fff; }
.group:hover .group-hover\:border-white\/40 { border-color: rgba(255, 255, 255, 0.4); }

@media (max-width: 1023px) {
  .coin-detail-content {
    display: flex !important;
    flex-direction: column-reverse;
    grid-template-columns: unset !important;
  }
  .coin-detail-content__acquire .sticky {
    position: relative !important;
    top: auto !important;
  }
}

/* ============================================================
   20. FULLSCREEN OVERLAY (Coin Image Viewer)
   ============================================================ */

.fullscreen-overlay {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  background-color: rgba(0, 0, 0, 0.95);
  display: flex;
  flex-direction: column;
  -webkit-user-select: none;
  user-select: none;
}

.fullscreen-overlay__topbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 115;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent);
}

.fullscreen-overlay__toolbar-btn {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  cursor: pointer;
  padding: 0.5rem 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  transition: background 200ms ease, border-color 200ms ease;
  font-family: inherit;
}

.fullscreen-overlay__toolbar-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

.fullscreen-overlay__toolbar-btn--active {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

.fullscreen-overlay__close {
  color: #fff;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  transition: opacity 300ms ease;
}

.fullscreen-overlay__close:hover {
  opacity: 0.7;
}

.fullscreen-overlay__drawer {
  position: absolute;
  z-index: 112;
  background: rgba(0, 0, 0, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: transform 350ms cubic-bezier(0.4, 0, 0.2, 1), opacity 250ms ease;
  overflow-y: auto;
}

@media (min-width: 769px) {
  .fullscreen-overlay__drawer {
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    padding: 4.5rem 1.5rem 1.5rem;
    transform: translateX(100%);
    opacity: 0;
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    border-top: none;
    border-right: none;
    border-bottom: none;
  }
  .fullscreen-overlay__drawer--open {
    transform: translateX(0);
    opacity: 1;
  }
}

@media (max-width: 768px) {
  .fullscreen-overlay__drawer {
    left: 0;
    right: 0;
    bottom: 0;
    max-height: 55vh;
    padding: 1rem 1.25rem 1.5rem;
    transform: translateY(100%);
    opacity: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-left: none;
    border-right: none;
    border-bottom: none;
    border-radius: 1rem 1rem 0 0;
  }
  .fullscreen-overlay__drawer--open {
    transform: translateY(0);
    opacity: 1;
  }
}

.fullscreen-overlay__drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.fullscreen-overlay__drawer-title {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #9ca3af;
}

.fullscreen-overlay__reset-btn {
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #6b7280;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.3rem 0.6rem;
  cursor: pointer;
  transition: color 200ms ease, border-color 200ms ease;
  font-family: inherit;
}

.fullscreen-overlay__reset-btn:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
}

.fullscreen-overlay__drawer-grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .fullscreen-overlay__drawer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }
  .fullscreen-overlay__tool--toggle {
    grid-column: 1 / -1;
  }
  .fullscreen-overlay__nav {
    display: none;
  }
}

.fullscreen-overlay__tool {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.fullscreen-overlay__tool-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.fullscreen-overlay__tool-icon {
  color: #6b7280;
  display: flex;
  align-items: center;
}

.fullscreen-overlay__tool-label {
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #9ca3af;
  flex: 1;
}

.fullscreen-overlay__tool-value {
  font-size: 0.625rem;
  color: #6b7280;
  min-width: 2.5rem;
  text-align: right;
}

.fullscreen-overlay__range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.12);
  outline: none;
  cursor: pointer;
  border-radius: 2px;
}

.fullscreen-overlay__range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  background: #fff;
  cursor: pointer;
  border-radius: 50%;
}

.fullscreen-overlay__range::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: #fff;
  border: none;
  cursor: pointer;
  border-radius: 50%;
}

.fullscreen-overlay__toggle-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.6rem 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #9ca3af;
  cursor: pointer;
  transition: background 200ms ease, border-color 200ms ease, color 200ms ease;
  font-family: inherit;
}

.fullscreen-overlay__toggle-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.fullscreen-overlay__toggle-btn--active {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  color: #fff;
}

.fullscreen-overlay__image-area {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  touch-action: pan-x pan-y;
  padding: 0;
  overflow: hidden;
}

.fullscreen-overlay__image {
  max-width: 80%;
  max-height: 80vh;
  object-fit: contain;
  transition: transform 300ms ease, filter 300ms ease;
  cursor: grab;
  user-select: none;
  -webkit-user-drag: none;
}

.fullscreen-overlay__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: #fff;
  background: none;
  border: none;
  cursor: pointer;
  padding: 1rem;
  opacity: 0.5;
  transition: opacity 300ms ease;
  z-index: 10;
}

.fullscreen-overlay__nav:hover {
  opacity: 1;
}

.fullscreen-overlay__nav--prev {
  left: 2rem;
}

.fullscreen-overlay__nav--next {
  right: 2rem;
}

.fullscreen-overlay__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem 2rem;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  text-align: center;
}

.fullscreen-overlay__caption-text {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #6b7280;
}

/* ============================================================
   21. VIDEO MODAL
   ============================================================ */

.video-modal {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 110;
  background-color: rgba(0, 0, 0, 0.98);
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-modal__content {
  position: relative;
  width: 90%;
  max-width: 56rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.video-modal__corner {
  position: absolute;
  width: 1.5rem;
  height: 1.5rem;
  border-color: rgba(255, 255, 255, 0.3);
}

.video-modal__corner--tl {
  top: -0.75rem;
  left: -0.75rem;
  border-top: 1px solid;
  border-left: 1px solid;
}

.video-modal__corner--tr {
  top: -0.75rem;
  right: -0.75rem;
  border-top: 1px solid;
  border-right: 1px solid;
}

.video-modal__corner--bl {
  bottom: -0.75rem;
  left: -0.75rem;
  border-bottom: 1px solid;
  border-left: 1px solid;
}

.video-modal__corner--br {
  bottom: -0.75rem;
  right: -0.75rem;
  border-bottom: 1px solid;
  border-right: 1px solid;
}

.video-modal video {
  width: 100%;
  display: block;
}

.video-modal__close {
  position: absolute;
  top: -3rem;
  right: 0;
  color: #fff;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: opacity 300ms ease;
}

.video-modal__close:hover {
  opacity: 0.7;
}

/* ============================================================
   22. GRADIENTS
   ============================================================ */

.bg-gradient-to-b {
  background: linear-gradient(to bottom, var(--tw-gradient-from, transparent), var(--tw-gradient-to, transparent));
}

.bg-gradient-to-br {
  background: linear-gradient(to bottom right, var(--tw-gradient-from, rgba(255,255,255,0.05)), var(--tw-gradient-to, transparent));
}

.from-black\/70 { --tw-gradient-from: rgba(0, 0, 0, 0.7); }
.from-black\/80 { --tw-gradient-from: rgba(0, 0, 0, 0.8); }
.via-black\/20 { --tw-gradient-via: rgba(0, 0, 0, 0.2); }
.via-black\/40 { --tw-gradient-via: rgba(0, 0, 0, 0.4); }
.to-black { --tw-gradient-to: #000; }
.to-zinc-950 { --tw-gradient-to: #09090b; }
.to-transparent { --tw-gradient-to: transparent; }
.from-white\/5 { --tw-gradient-from: rgba(255, 255, 255, 0.05); }

/* ============================================================
   23. RESPONSIVE BREAKPOINTS
   ============================================================ */

/* Medium (768px+) */
@media (min-width: 768px) {
  .md\:flex { display: flex; }
  .md\:hidden { display: none; }
  .md\:inline-flex { display: inline-flex; }
  .md\:block { display: block; }
  .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .md\:flex-row { flex-direction: row; }

  .md\:text-2xl { font-size: 1.5rem; line-height: 2rem; }
  .md\:text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
  .md\:text-5xl { font-size: 3rem; line-height: 1.15; }
  .md\:text-6xl { font-size: 3.75rem; line-height: 1.1; }
  .md\:text-7xl { font-size: 4.5rem; line-height: 1.05; }
  .md\:text-8xl { font-size: 6rem; line-height: 1; }

  .md\:items-end { align-items: flex-end; }
  .md\:items-center { align-items: center; }

  .md\:mt-0 { margin-top: 0; }
  .md\:py-20 { padding-top: 5rem; padding-bottom: 5rem; }

  .md\:max-w-\[350px\] { max-width: 350px; }

  .md\:divide-y-0 > * + * { border-top: none; }
  .md\:divide-x > * + * { border-left: 1px solid rgba(255, 255, 255, 0.1); }

  .md\:grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
  .md\:items-stretch { align-items: stretch; }
  .md\:aspect-auto { aspect-ratio: auto; }
  .md\:w-1\/3 { width: 33.333%; }

  .md\:cols-2 { grid-template-columns: repeat(2, 1fr); }
}

/* Large (1024px+) */
@media (min-width: 1024px) {
  .lg\:flex { display: flex; }
  .lg\:hidden { display: none; }
  .lg\:block { display: block; }
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
  .lg\:flex-row { flex-direction: row; }
  .lg\:w-1\/2 { width: 50%; }
  .lg\:pl-10 { padding-left: 2.5rem; }

  .lg\:text-7xl { font-size: 4.5rem; line-height: 1.05; }
  .lg\:text-8xl { font-size: 6rem; line-height: 1; }
}

/* ============================================================
   24. ADDITIONAL COMPONENT PATTERNS
   ============================================================ */

/* Contact Item */
.contact-item {
  display: flex;
  gap: 1.5rem;
}

.contact-item__icon-wrapper {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
}

.contact-item__label {
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #6b7280;
  margin-bottom: 0.25rem;
}

.contact-item__value {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.25rem;
}

.contact-item__sub {
  font-size: 0.75rem;
  color: #4b5563;
  margin-top: 0.25rem;
}

/* Info Box / Card */
.info-box {
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background-color: rgba(255, 255, 255, 0.02);
}

/* Event Card */
.event-card {
  background-color: rgba(24, 24, 27, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: border-color 500ms ease;
}

.event-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

/* Journal/Blog Card */
.journal-card {
  display: block;
  cursor: pointer;
}

.journal-card__image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.journal-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: all 700ms ease;
}

.journal-card:hover .journal-card__image img {
  filter: grayscale(0);
  transform: scale(1.05);
}

/* Passion Icon Box */
.passion-box {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.passion-box__icon {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 300ms ease;
}

.passion-box:hover .passion-box__icon {
  background-color: #fff;
  color: #000;
}

.passion-box__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
}

/* Tab Buttons */
.tab-button {
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  transition: color 300ms ease;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem 0;
}

.tab-button--active {
  color: #fff;
  font-weight: 700;
}

.tab-button--inactive {
  color: #6b7280;
}

.tab-button--inactive:hover {
  color: #fff;
}

/* Empty State Placeholder */
.empty-placeholder {
  border: 1px dashed rgba(255, 255, 255, 0.05);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  opacity: 0.3;
  min-height: 450px;
}

/* Back Link */
.back-link {
  display: inline-flex;
  align-items: center;
  color: #6b7280;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color 300ms ease;
  margin-bottom: 2rem;
}

.back-link:hover {
  color: #fff;
}

/* Reference Badge */
.ref-badge {
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.25rem 0.75rem;
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

.ref-badge__text {
  font-size: 0.75rem;
  font-family: 'Courier New', monospace;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: #fff;
}

/* Examination Panel */
.exam-panel {
  padding: 3rem 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: zoom-in;
}

.exam-panel__image {
  max-width: 280px;
  filter: drop-shadow(0 0 50px rgba(255, 255, 255, 0.05));
  transition: transform 700ms ease;
}

.exam-panel:hover .exam-panel__image {
  transform: scale(1.05);
}

.exam-panel__label {
  margin-top: 2rem;
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.4em;
  color: #4b5563;
  transition: color 300ms ease;
}

.exam-panel:hover .exam-panel__label {
  color: #fff;
}

@media (min-width: 768px) {
  .exam-panel {
    padding: 5rem 0;
  }
  .exam-panel__image {
    max-width: 350px;
  }
}

/* ============================================================
   25. MISC UTILITIES
   ============================================================ */

.resize-none { resize: none; }
.outline-none { outline: none; }
.appearance-none {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.rounded-full { border-radius: 9999px; }

.select-none { user-select: none; }

.border-collapse { border-collapse: collapse; }

/* Visibility */
.invisible { visibility: hidden; }
.visible { visibility: visible; }

/* Transform Origin */
.origin-center { transform-origin: center; }

/* Will Change */
.will-change-transform { will-change: transform; }

/* Scroll snap */
.snap-x { scroll-snap-type: x mandatory; }
.snap-start { scroll-snap-align: start; }

/* ============================================================
   26. ADDITIONAL UTILITIES
   ============================================================ */

/* Gap */
.gap-px { gap: 1px; }

/* Additional padding */
.pt-10 { padding-top: 2.5rem; }
.pt-16 { padding-top: 4rem; }
.pt-24 { padding-top: 6rem; }
.pb-1 { padding-bottom: 0.25rem; }
.pb-24 { padding-bottom: 6rem; }

/* Additional margin */
.mb-1 { margin-bottom: 0.25rem; }
.mb-20 { margin-bottom: 5rem; }
.mb-24 { margin-bottom: 6rem; }
.ml-4 { margin-left: 1rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-20 { margin-top: 5rem; }

/* Background */
.bg-white\/20 { background-color: rgba(255, 255, 255, 0.2); }

/* Print */
@media print {
  .no-print { display: none !important; }
  body {
    background: #fff;
    color: #000;
  }
}