/* ============================================================
   CCC Engineering — Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --dark-bg:        #f8fafc;
  --dark-secondary: #f1f5f9;
  --dark-card:      #ffffff;
  --dark-card-2:    #f8fafc;
  --blue:           #7B1FA2;
  --blue-light:     #9C27B0;
  --blue-glow:      rgba(123,31,162,0.08);
  --orange:         #f97316;
  --orange-light:   #fb923c;
  --white:          #ffffff;
  --text-primary:   #0f172a;
  --text-secondary: #475569;
  --text-muted:     #94a3b8;
  --border:         rgba(0,0,0,0.08);
  --border-hover:   rgba(0,0,0,0.16);
  --radius-sm:      6px;
  --radius:         12px;
  --radius-lg:      20px;
  --shadow:         0 2px 16px rgba(0,0,0,0.07);
  --shadow-lg:      0 8px 40px rgba(0,0,0,0.12);
  --transition:     0.25s cubic-bezier(0.4,0,0.2,1);
  --nav-height:     76px;
  --max-width:      1200px;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--dark-bg);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Typography ─────────────────────────────────────────────── */
h1,h2,h3,h4,h5,h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.1rem; font-weight: 600; }
p  { font-size: 1rem; color: var(--text-secondary); line-height: 1.75; }

.text-gradient {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-blue { color: var(--blue); }

/* ── Layout ─────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .grid-3 { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .section-sm { padding: 48px 0; }
  .container { padding: 0 16px; }
}

/* ── Navigation ─────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.nav.scrolled {
  background: rgba(255,255,255,0.98);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}
.nav .container {
  height: 100%;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}
.nav-logo .logo-mark {
  width: 36px; height: 36px;
  background: var(--blue);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; font-weight: 800; color: white;
  font-family: 'Outfit', sans-serif;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--blue);
  background: rgba(123,31,162,0.06);
}
/* Ensure btn-primary in nav always has white text regardless of link colour cascade */
.nav-links .btn-primary,
.nav-links .btn-primary:hover { color: #ffffff; }
.nav-dropdown {
  position: relative;
}
/* Button-style dropdown trigger (no native button styles) */
.nav-drop-btn {
  display: flex; align-items: center; gap: 5px;
  background: none; border: none; cursor: pointer;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem; font-weight: 500;
  color: var(--text-secondary);
  font-family: 'Inter', sans-serif;
  transition: var(--transition);
}
.nav-drop-btn:hover, .nav-dropdown:hover .nav-drop-btn {
  color: var(--blue);
  background: rgba(123,31,162,0.06);
}
.nav-caret { font-size: 0.65rem; opacity: 0.7; transition: transform 0.2s ease; }
.nav-drop-btn[aria-expanded="true"] .nav-caret { transform: rotate(180deg); }

/* Dropdown menu — shown via JS .open class */
.nav-dropdown-menu {
  display: none;
  position: absolute;
  /* Start from top of parent so there's no gap */
  top: 100%;
  /* Padding-top creates visual space without a hover gap */
  padding: 8px 0 0;
  left: 0;
  z-index: 200;
}
.nav-dropdown-menu.open { display: flex; flex-direction: column; }
.nav-dropdown-menu-inner {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px;
  min-width: 210px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  display: flex; flex-direction: column; gap: 2px;
}
.nav-dropdown-menu a {
  display: block; padding: 10px 14px;
  border-radius: var(--radius-sm); white-space: nowrap;
  font-size: 0.875rem; color: var(--text-secondary);
  transition: var(--transition);
}
.nav-dropdown-menu a:hover { color: var(--blue); background: rgba(123,31,162,0.06); }
/* Plain nav links */
.nav-link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem; font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}
.nav-link:hover { color: var(--blue); background: rgba(123,31,162,0.06); }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}
.nav-hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height); left: 0; right: 0; bottom: 0;
  background: #ffffff;
  border-top: 1px solid var(--border);
  z-index: 999;
  padding: 24px;
  overflow-y: auto;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  font-size: 1.1rem;
  font-weight: 500;
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--blue);
  color: white;
}
.btn-primary:hover { background: var(--blue-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(123,31,162,0.4); }
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-hover);
}
.btn-secondary:hover { background: rgba(0,0,0,0.04); border-color: rgba(0,0,0,0.25); transform: translateY(-2px); }
.btn-orange {
  background: var(--orange);
  color: white;
}
.btn-orange:hover { background: var(--orange-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(249,115,22,0.35); }
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 13px 20px;
}
.btn-ghost:hover { color: var(--text-primary); background: rgba(0,0,0,0.04); }
.btn-lg { padding: 16px 36px; font-size: 1rem; }
.btn-sm { padding: 9px 18px; font-size: 0.8rem; }

/* ── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--dark-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}
.card:hover {
  border-color: rgba(123,31,162,0.25);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(123,31,162,0.1);
}
.card-sm { padding: 24px; }

/* ── Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.badge-blue { background: rgba(123,31,162,0.15); color: var(--blue-light); border: 1px solid rgba(123,31,162,0.25); }
.badge-orange { background: rgba(249,115,22,0.15); color: var(--orange-light); border: 1px solid rgba(249,115,22,0.25); }

/* ── Section Labels ─────────────────────────────────────────── */
.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-light);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-label::before {
  content: '';
  display: block;
  width: 24px; height: 2px;
  background: var(--blue);
  border-radius: 2px;
}

/* ── Hero Shared ─────────────────────────────────────────────── */
.hero {
  padding-top: calc(var(--nav-height) + 80px);
  padding-bottom: 80px;
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(123,31,162,0.07) 0%, transparent 70%),
              radial-gradient(ellipse 60% 40% at 80% 80%, rgba(123,31,162,0.04) 0%, transparent 60%);
  pointer-events: none;
}
.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,0,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

/* ── Stat Bar ────────────────────────────────────────────────── */
.stat-bar {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}
.stat-number {
  font-family: 'Outfit', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ── Service Icon ────────────────────────────────────────────── */
.service-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius);
  background: var(--blue-glow);
  border: 1px solid rgba(123,31,162,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  flex-shrink: 0;
}

/* ── Checklist ───────────────────────────────────────────────── */
.checklist { display: flex; flex-direction: column; gap: 12px; }
.checklist li {
  display: flex; align-items: flex-start; gap: 12px;
  font-size: 0.9rem; color: var(--text-secondary);
}
.checklist li::before {
  content: '✓';
  width: 20px; height: 20px;
  background: rgba(123,31,162,0.15);
  border: 1px solid rgba(123,31,162,0.25);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.65rem;
  color: var(--blue-light);
  flex-shrink: 0;
  margin-top: 1px;
}

/* ── CTA Section ─────────────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, var(--dark-secondary) 0%, var(--dark-card) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* ── Footer ──────────────────────────────────────────────────── */
.footer {
  background: var(--text-primary);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}
/* Footer uses inverted (dark) text colours */
.footer, .footer h1, .footer h2, .footer h3, .footer h4, .footer p,
.footer a, .footer span { color: #94a3b8; }
.footer .footer-col-title { color: #f1f5f9 !important; }
.footer .footer-logo { color: #ffffff; }
.footer .footer-desc { color: #64748b; }
.footer .footer-bottom p { color: #64748b; }
.footer a:hover { color: #f1f5f9 !important; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-logo {
  display: flex; align-items: center; gap: 12px;
  font-family: 'Outfit', sans-serif; font-weight: 700;
  font-size: 1rem; margin-bottom: 16px;
}
.footer-logo .logo-mark {
  width: 32px; height: 32px;
  background: var(--blue);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 800; color: white;
}
.footer-desc { font-size: 0.875rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 24px; }
.footer-contact { display: flex; flex-direction: column; gap: 8px; }
.footer-contact a { font-size: 0.875rem; color: var(--text-secondary); transition: var(--transition); }
.footer-contact a:hover { color: var(--text-primary); }
.footer-col-title {
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-primary); margin-bottom: 20px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.875rem; color: var(--text-muted); transition: var(--transition); }
.footer-links a:hover { color: var(--text-primary); }
.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom p { font-size: 0.8rem; color: var(--text-muted); }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .stat-bar { gap: 32px; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ── Forms ───────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.form-label { font-size: 0.8rem; font-weight: 600; color: var(--text-secondary); letter-spacing: 0.04em; text-transform: uppercase; }
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
  appearance: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(123,31,162,0.12);
}
.form-input::placeholder { color: var(--text-muted); }
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394a3b8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}
.form-select option { background: var(--dark-card); }
.form-textarea { min-height: 120px; resize: vertical; }

/* ── Calculator specific ─────────────────────────────────────── */
.calc-wrapper {
  background: var(--dark-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.calc-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: var(--dark-secondary);
}
.calc-tab {
  padding: 14px 24px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}
.calc-tab.active {
  color: var(--blue-light);
  border-bottom-color: var(--blue);
  background: rgba(123,31,162,0.05);
}
.calc-tab:hover:not(.active) { color: var(--text-secondary); }
.calc-panel { display: none; padding: 32px; }
.calc-panel.active { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.calc-result-box {
  background: var(--dark-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.calc-result-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.calc-result-item:last-child { border-bottom: none; }
.calc-result-label { font-size: 0.75rem; color: var(--text-muted); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 6px; }
.calc-result-value { font-family: 'Outfit', sans-serif; font-size: 2rem; font-weight: 700; color: var(--text-primary); line-height: 1; }
.calc-result-unit { font-size: 0.85rem; color: var(--text-muted); font-family: 'Inter', sans-serif; font-weight: 400; margin-left: 4px; }
.calc-status { display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: var(--radius-sm); font-size: 0.8rem; font-weight: 600; margin-top: 16px; }
.calc-status.ok { background: rgba(34,197,94,0.1); color: #4ade80; border: 1px solid rgba(34,197,94,0.2); }
.calc-status.warn { background: rgba(234,179,8,0.1); color: #fde047; border: 1px solid rgba(234,179,8,0.2); }
.calc-status.error { background: rgba(239,68,68,0.1); color: #f87171; border: 1px solid rgba(239,68,68,0.2); }

@media (max-width: 768px) {
  .calc-panel.active { grid-template-columns: 1fr; gap: 24px; }
  .calc-panel { padding: 20px; }
  .calc-tab { padding: 12px 16px; font-size: 0.8rem; }
}

/* ── Case Studies ─────────────────────────────────────────────── */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  background: var(--dark-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.case-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.case-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--dark-card-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.8rem;
}
.case-card-img img { width: 100%; height: 100%; object-fit: cover; }
.case-card-body { padding: 20px; }
.case-card-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.case-card-title { font-size: 1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; font-family: 'Outfit', sans-serif; }
.case-card-location { font-size: 0.8rem; color: var(--text-muted); display: flex; align-items: center; gap: 4px; }
.case-card-footer { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }

.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 40px; }
.filter-btn {
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--blue);
  border-color: var(--blue);
  color: white;
}

@media (max-width: 1024px) { .case-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px) { .case-grid { grid-template-columns: 1fr; } }

/* ── Tag Pills ───────────────────────────────────────────────── */
.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.tag-mech { background: rgba(59,130,246,0.12); color: #60a5fa; }
.tag-elec { background: rgba(234,179,8,0.12); color: #fbbf24; }
.tag-fire { background: rgba(239,68,68,0.12); color: #f87171; }
.tag-hyd  { background: rgba(34,197,94,0.12); color: #4ade80; }

/* ── Animations ──────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── Pipe size slider ────────────────────────────────────────── */
input[type=range] {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: var(--dark-secondary);
  border-radius: 3px;
  outline: none;
  border: 1px solid var(--border);
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--blue);
  cursor: pointer;
  box-shadow: 0 0 0 3px rgba(123,31,162,0.2);
  transition: var(--transition);
}
input[type=range]::-webkit-slider-thumb:hover {
  background: var(--blue-light);
  box-shadow: 0 0 0 5px rgba(123,31,162,0.25);
}

/* ── Utilities ───────────────────────────────────────────────── */
.text-center { text-align: center; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }
.flex   { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8  { gap: 8px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.gap-32 { gap: 32px; }
.w-full { width: 100%; }