/* ArtCommissions - shared styles */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: url("bg.jpg") center/cover no-repeat fixed;
  --card: rgba(255, 255, 255, 0.42);
  --card-border: rgba(255, 255, 255, 0.4);
  --text: #0f172a;
  --text-secondary: #475569;
  --muted: #64748b;
  --accent: #476855;
  --accent-soft: rgba(71, 104, 85, 0.14);
  --nav-bg: rgba(255, 255, 255, 0.4);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  --blur: blur(28px);
  --input-bg: rgba(255,255,255,0.7);
  --input-border: rgba(0,0,0,0.1);
  --item-border: rgba(0,0,0,0.06);
  --total-bg: rgba(255,255,255,0.4);
}

[data-theme="dark"] {
  --bg: url("bg.jpg") center/cover no-repeat fixed;
  --card: rgba(30, 30, 40, 0.5);
  --card-border: rgba(255, 255, 255, 0.08);
  --text: #f1f5f9;
  --text-secondary: #94a3b8;
  --muted: #64748b;
  --accent: #6b8f7a;
  --accent-soft: rgba(71, 104, 85, 0.22);
  --nav-bg: rgba(15, 15, 19, 0.55);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --input-bg: rgba(20,20,28,0.6);
  --input-border: rgba(255,255,255,0.1);
  --item-border: rgba(255,255,255,0.06);
  --total-bg: rgba(20,20,28,0.5);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Quicksand', system-ui, sans-serif;
  background: var(--bg);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  transition: background 0.3s ease, color 0.3s ease;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: transparent;
  pointer-events: none;
  z-index: 0;
  transition: background 0.3s;
}
[data-theme="dark"] body::before {
  background: rgba(8, 8, 16, 0.5);
}
nav, section, .hero, .page-header, .pricing-layout, .form-wrapper,
.calc-wrapper, .contact-card, footer, .features, .mobile-menu {
  position: relative;
  z-index: 1;
}

/* NAV */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-bottom: 1px solid var(--card-border);
  padding: 14px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-family: 'Fredoka One', cursive;
  font-size: 24px;
  color: var(--text);
  text-decoration: none;
}
.nav-links {
  display: flex;
  gap: 8px;
  align-items: center;
}
.nav-links a {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 10px;
  transition: color 0.2s ease, background 0.2s ease;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
  background: var(--accent-soft);
}
.theme-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--card-border);
  background: var(--card);
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 8px;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}
.theme-btn:hover { border-color: var(--accent); transform: scale(1.05); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border: 1px solid var(--card-border);
  border-radius: 10px;
  background: var(--card);
  cursor: pointer;
  margin-left: 8px;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}
.hamburger:hover { transform: scale(1.05); }
.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text);
  border-radius: 2px;
  transition: 0.25s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  top: 68px;
  left: 16px;
  right: 16px;
  background: var(--card);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 12px;
  z-index: 200;
  flex-direction: column;
  gap: 4px;
  transform-origin: top center;
}
.mobile-menu.open {
  display: flex;
  animation: menuSlide 0.28s ease both;
}
.mobile-menu a {
  display: block;
  padding: 14px 16px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  color: var(--text-secondary);
  text-decoration: none;
}
.mobile-menu a:hover,
.mobile-menu a.active {
  background: var(--accent-soft);
  color: var(--accent);
}

/* Common */
.page-header {
  text-align: center;
  padding: 50px 24px 30px;
  animation: fadeUp 0.55s ease both;
}
.page-header h1 {
  font-family: 'Fredoka One', cursive;
  font-size: 36px;
  margin-bottom: 8px;
}
.page-header p {
  color: var(--text-secondary);
  font-size: 16px;
}
.btn {
  display: inline-block;
  background: var(--accent);
  color: white;
  padding: 14px 28px;
  border-radius: 14px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(71, 104, 85, 0.35);
  transition: transform 0.2s ease, opacity 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.btn:hover {
  opacity: 0.92;
  transform: translateY(-2px);
  color: white;
  text-decoration: none;
}
.btn-outline {
  background: rgba(255,255,255,0.25);
  color: var(--text);
  border: 1.5px solid var(--card-border);
  box-shadow: none;
  backdrop-filter: blur(8px);
}
.btn-outline:hover {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent);
}
footer {
  text-align: center;
  padding: 32px 24px;
  color: var(--muted);
  font-size: 13px;
  border-top: none;
}

/* Animations */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes menuSlide {
  from { opacity: 0; transform: translateY(-10px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Mobile */
@media (max-width: 800px) {
  body {
    background-attachment: scroll;
  }
  nav { padding: 12px 16px; }
  .logo { font-size: 18px; }
  .nav-links > a { display: none !important; }
  .hamburger { display: flex !important; }
  .theme-btn { margin-left: 0; }
  .page-header { padding: 28px 16px 16px; }
  .page-header h1 { font-size: 28px; }
  .page-header p { font-size: 14px; }
  footer { padding: 24px 16px; font-size: 12px; }
}
@media (min-width: 801px) {
  .hamburger { display: none !important; }
  .mobile-menu { display: none !important; }
}