/* ===== SPIN WHEEL GAME — STYLESHEET ===== */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800;900&family=Nunito:wght@400;600;700;800&display=swap');

:root {
  --cream: #FFFDF7;
  --cream-2: #FFF8EE;
  --cream-3: #FFF3E0;
  --white: #ffffff;
  --ink: #1A1A2E;
  --ink-2: #3D3D5C;
  --ink-3: #6B6B8A;
  --accent-1: #FF6B6B;
  --accent-2: #FF9F43;
  --accent-3: #FECA57;
  --accent-4: #48DBFB;
  --accent-5: #FF9FF3;
  --accent-6: #54A0FF;
  --accent-7: #1DD1A1;
  --grad-main: linear-gradient(135deg, #FF6B6B 0%, #FF9F43 25%, #FECA57 50%, #48DBFB 75%, #54A0FF 100%);
  --grad-subtle: linear-gradient(135deg, #fff8ee 0%, #fff3f3 50%, #f0f8ff 100%);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 6px 24px rgba(0,0,0,0.10);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.13);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 36px;
  --font-display: 'Poppins', sans-serif;
  --font-body: 'Nunito', sans-serif;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

/* Prevent body scroll when mobile menu is open */
body.menu-open {
  overflow: hidden;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 7px; }
::-webkit-scrollbar-track { background: var(--cream-2); }
::-webkit-scrollbar-thumb { background: linear-gradient(#FF9F43, #54A0FF); border-radius: 4px; }

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,253,247,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: box-shadow 0.3s;
}
.site-header.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,0.10); }

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 24px;
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-icon { font-size: 28px; animation: spin-slow 8s linear infinite; }
@keyframes spin-slow { to { transform: rotate(360deg); } }

.logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--ink);
  letter-spacing: -0.3px;
}
.logo-accent { color: var(--accent-1); }

.nav-links {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-left: auto;
}
.nav-links a {
  text-decoration: none;
  color: var(--ink-2);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 6px 14px;
  border-radius: 20px;
  transition: all 0.2s;
}
.nav-links a:hover { background: var(--cream-3); color: var(--accent-1); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
  z-index: 1001;
}
.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.3s ease;
  transform-origin: center;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== MOBILE NAVIGATION FIXES ===== */
@media (max-width: 768px) {
  .hamburger { display: flex; }

  .nav-links {
    position: fixed;
    top: -100vh; /* Completely off-screen when closed */
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    gap: 4px;
    padding: 20px 24px;
    box-shadow: var(--shadow-md);
    transition: top 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
    max-height: calc(100vh - 68px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
  }

  .nav-links.open {
    top: 68px; /* Slide down below header */
  }

  .nav-links a {
    width: 100%;
    text-align: center;
    padding: 14px 12px;
    font-size: 1rem;
    border-radius: 12px;
    transition: background 0.2s;
  }

  .nav-links a:hover,
  .nav-links a:active {
    background: var(--cream-3);
    color: var(--accent-1);
  }

  /* Optional: Add a subtle overlay when menu is open */
  .nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
  }

  .nav-overlay.active {
    opacity: 1;
    pointer-events: auto;
  }
}

/* ===== HERO ===== */
.hero {
  background: var(--grad-subtle);
  padding: 80px 24px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 0%, rgba(255,159,67,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #fff3e0, #ffe0f0);
  border: 1px solid rgba(255,107,107,0.2);
  border-radius: 20px;
  padding: 6px 18px;
  font-size: 0.83rem;
  font-weight: 700;
  color: var(--accent-1);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
  color: var(--ink);
}
.hero h1 .grad-text {
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--ink-2);
  max-width: 560px;
  margin: 0 auto 32px;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--grad-main);
  color: #fff;
  font-weight: 800;
  font-size: 1.05rem;
  padding: 14px 32px;
  border-radius: 50px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(255,107,107,0.35);
  transition: all 0.25s;
  font-family: var(--font-display);
  letter-spacing: 0.3px;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255,107,107,0.4);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  color: var(--ink);
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: 50px;
  text-decoration: none;
  border: 2px solid rgba(0,0,0,0.08);
  cursor: pointer;
  transition: all 0.25s;
  font-family: var(--font-display);
}
.btn-secondary:hover {
  border-color: var(--accent-1);
  color: var(--accent-1);
  transform: translateY(-2px);
}

.hero-badges {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 36px;
}
.hero-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  border-radius: 12px;
  padding: 8px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-2);
  box-shadow: var(--shadow-sm);
}
.hero-badge .badge-icon { font-size: 1.1rem; }

/* ===== SECTION COMMONS ===== */
.section { padding: 80px 24px; }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 56px; }
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-1);
  margin-bottom: 12px;
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.8px;
  color: var(--ink);
  margin-bottom: 14px;
}
.section-header p {
  font-size: 1.05rem;
  color: var(--ink-2);
  max-width: 560px;
  margin: 0 auto;
}

/* ===== APP SECTION ===== */
.app-section {
  background: var(--grad-subtle);
  padding: 60px 24px 80px;
}
.app-section .section-inner { max-width: 1300px; }

.app-layout {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 40px;
  align-items: start;
}

/* Wheel area */
.wheel-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.wheel-canvas-wrap {
  position: relative;
  width: 100%;
  max-width: 520px;
}

#wheel-canvas {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 50%;
  cursor: pointer;
  filter: drop-shadow(0 8px 32px rgba(255,107,107,0.20));
  transition: filter 0.3s;
}
#wheel-canvas:hover { filter: drop-shadow(0 12px 40px rgba(255,107,107,0.30)); }

.wheel-pointer {
  position: absolute;
  top: 50%;
  right: -14px;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 18px solid transparent;
  border-bottom: 18px solid transparent;
  border-right: 32px solid var(--accent-1);
  filter: drop-shadow(0 2px 6px rgba(255,107,107,0.6));
  z-index: 5;
}

.spin-btn-wrap { width: 100%; display: flex; justify-content: center; }
#spin-btn {
  width: 100%;
  max-width: 360px;
  padding: 18px 40px;
  background: var(--grad-main);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.3rem;
  letter-spacing: 1px;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  box-shadow: 0 6px 28px rgba(255,107,107,0.35);
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
}
#spin-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(255,255,255,0.15), transparent);
}
#spin-btn:hover:not(:disabled) {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 36px rgba(255,107,107,0.45);
}
#spin-btn:disabled { opacity: 0.7; cursor: not-allowed; transform: none; }

.wheel-controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}
.ctrl-btn {
  padding: 8px 18px;
  border-radius: 20px;
  background: var(--white);
  border: 1.5px solid rgba(0,0,0,0.10);
  color: var(--ink-2);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-body);
}
.ctrl-btn:hover {
  border-color: var(--accent-1);
  color: var(--accent-1);
  background: #fff5f5;
}
.ctrl-btn.muted { color: var(--ink-3); }

/* Panel */
.wheel-panel {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.panel-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid rgba(0,0,0,0.07);
}
.tab-btn {
  padding: 14px 8px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--ink-3);
  transition: all 0.2s;
  border-bottom: 2px solid transparent;
  text-align: center;
}
.tab-btn.active {
  color: var(--accent-1);
  border-bottom-color: var(--accent-1);
  background: #fff5f5;
}
.tab-btn:hover:not(.active) {
  background: var(--cream-2);
  color: var(--ink-2);
}

.tab-panel { display: none; padding: 20px; }
.tab-panel.active { display: block; }

/* Options tab */
.items-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 300px;
  overflow-y: auto;
  margin-bottom: 14px;
}
.items-list::-webkit-scrollbar { width: 4px; }
.items-list::-webkit-scrollbar-thumb { background: var(--accent-4); border-radius: 4px; }

.item-row {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--cream-2);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  animation: fadeSlideIn 0.2s ease;
}
@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: none; }
}

.item-color-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  flex-shrink: 0;
  cursor: pointer;
  border: 2px solid rgba(255,255,255,0.8);
  box-shadow: 0 1px 4px rgba(0,0,0,0.15);
  transition: transform 0.15s;
}
.item-color-dot:hover { transform: scale(1.2); }
.item-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--ink);
  font-weight: 600;
}
.img-upload-btn {
  cursor: pointer;
  font-size: 1rem;
  padding: 2px 6px;
  border-radius: 6px;
  background: var(--cream-3);
  transition: background 0.2s;
}
.img-upload-btn:hover { background: var(--accent-3); }
.item-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid var(--white);
}
.item-delete {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--ink-3);
  font-size: 0.9rem;
  padding: 4px 6px;
  border-radius: 6px;
  transition: all 0.2s;
}
.item-delete:hover { background: #ffeaea; color: var(--accent-1); }

.items-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
#add-item-btn {
  flex: 1;
  padding: 10px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent-7), var(--accent-4));
  color: #fff;
  border: none;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.9rem;
  font-family: var(--font-body);
  transition: opacity 0.2s;
}
#add-item-btn:hover { opacity: 0.88; }

/* Presets tab */
.presets-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}
.preset-btn {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--cream-2);
  border: 1.5px solid transparent;
  color: var(--ink);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
  font-family: var(--font-body);
}
.preset-btn:hover {
  border-color: var(--accent-1);
  background: #fff5f5;
  color: var(--accent-1);
}

/* Palette tab */
.palette-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.palette-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--cream-2);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--ink-2);
  font-family: var(--font-body);
  flex: 1;
  min-width: 64px;
}
.palette-btn.active {
  border-color: var(--accent-1);
  background: #fff5f5;
}
.palette-swatch {
  display: flex;
  gap: 2px;
}
.palette-swatch span {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}

/* Settings tab */
.settings-group { margin-bottom: 18px; }
.settings-label {
  display: block;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--ink-2);
  margin-bottom: 8px;
}
.speed-select,
.bulk-input {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid rgba(0,0,0,0.10);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--ink);
  background: var(--cream-2);
  transition: border-color 0.2s;
}
.speed-select:focus,
.bulk-input:focus {
  outline: none;
  border-color: var(--accent-1);
}
.bulk-input { min-height: 100px; resize: vertical; }
.toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-2);
  margin-bottom: 10px;
}
.toggle-row input[type=checkbox] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-1);
}

/* Wtype buttons */
.wtype-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.wtype-btn {
  padding: 8px 16px;
  border-radius: 20px;
  background: var(--cream-2);
  border: 1.5px solid transparent;
  font-weight: 700;
  font-size: 0.82rem;
  cursor: pointer;
  color: var(--ink-2);
  transition: all 0.2s;
  font-family: var(--font-body);
}
.wtype-btn.active {
  background: var(--accent-1);
  color: #fff;
  border-color: var(--accent-1);
}

/* History */
#spin-history {
  max-height: 260px;
  overflow-y: auto;
}
#spin-history::-webkit-scrollbar { width: 4px; }
#spin-history::-webkit-scrollbar-thumb { background: var(--accent-2); border-radius: 4px; }
.hist-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
  background: var(--cream-2);
  font-size: 0.88rem;
  animation: fadeSlideIn 0.2s ease;
}
.hist-item span { color: var(--ink-3); font-size: 0.78rem; }
.hist-latest {
  background: linear-gradient(135deg, #fff5e0, #fff0f8);
  border-left: 3px solid var(--accent-2);
}
.hist-empty {
  color: var(--ink-3);
  text-align: center;
  padding: 20px;
  font-size: 0.9rem;
}

/* Apply btn */
#bulk-apply-btn {
  width: 100%;
  padding: 10px;
  background: linear-gradient(135deg, var(--accent-6), var(--accent-5));
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: opacity 0.2s;
  margin-top: 8px;
}
#bulk-apply-btn:hover { opacity: 0.88; }

/* ===== MODAL ===== */
#result-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
#result-modal.show { opacity: 1; pointer-events: all; }
.modal-box {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  text-align: center;
  max-width: 420px;
  width: 90%;
  box-shadow: 0 24px 80px rgba(0,0,0,0.18);
  transform: scale(0.92);
  transition: transform 0.3s;
  position: relative;
}
#result-modal.show .modal-box { transform: scale(1); }
.modal-emoji {
  font-size: 4rem;
  margin-bottom: 12px;
  animation: popIn 0.5s cubic-bezier(.175,.885,.32,1.275);
}
@keyframes popIn {
  from { transform: scale(0); }
  to { transform: scale(1); }
}
.modal-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink-3);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
#result-badge {
  display: inline-block;
  padding: 10px 32px;
  border-radius: 50px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.6rem;
  margin-bottom: 28px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.modal-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}
#modal-close,
#spin-again-btn {
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  font-family: var(--font-body);
  transition: all 0.2s;
}
#spin-again-btn {
  background: var(--grad-main);
  color: #fff;
  box-shadow: 0 3px 12px rgba(255,107,107,0.3);
}
#spin-again-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,107,107,0.4);
}
#modal-close {
  background: var(--cream-2);
  color: var(--ink);
  border: 1.5px solid rgba(0,0,0,0.08);
}
#modal-close:hover { background: var(--cream-3); }

/* Confetti */
#confetti-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 10000;
}
.confetti-piece {
  position: absolute;
  top: -10px;
  animation: confettiFall linear forwards;
}
@keyframes confettiFall {
  to { transform: translateY(100vh) rotate(720deg); opacity: 0; }
}

/* ===== WHEEL TYPES SECTION ===== */
.wheel-types-section { background: var(--white); }
.types-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.type-card {
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  background: var(--cream);
  border: 2px solid transparent;
  transition: all 0.3s;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.type-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--grad-main);
}
.type-card:hover {
  border-color: var(--accent-1);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.type-icon { font-size: 2.8rem; margin-bottom: 14px; }
.type-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--ink);
}
.type-card p {
  font-size: 0.88rem;
  color: var(--ink-3);
  line-height: 1.5;
}

/* ===== FEATURES ===== */
.features-section { background: var(--cream-2); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.feature-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s;
  border-bottom: 3px solid transparent;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--accent-1);
}
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 18px;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--ink);
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--ink-3);
  line-height: 1.6;
}

/* ===== HOW TO USE ===== */
.how-to-section { background: var(--white); }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  position: relative;
}
.step-item { text-align: center; }
.step-num {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--grad-main);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 4px 16px rgba(255,107,107,0.3);
}
.step-item h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--ink);
}
.step-item p {
  font-size: 0.9rem;
  color: var(--ink-3);
}

/* ===== USE CASES ===== */
.use-cases-section { background: var(--cream-2); }
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.use-case-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s;
}
.use-case-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.uc-icon { font-size: 2.2rem; margin-bottom: 12px; }
.use-case-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--ink);
}
.use-case-card p {
  font-size: 0.88rem;
  color: var(--ink-3);
  line-height: 1.55;
}

/* ===== CONTENT / SEO SECTION ===== */
.content-section { background: var(--white); }
.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.content-block h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  color: var(--ink);
  margin-bottom: 16px;
  letter-spacing: -0.4px;
}
.content-block h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
  margin: 20px 0 8px;
}
.content-block p {
  font-size: 0.96rem;
  color: var(--ink-2);
  margin-bottom: 12px;
  line-height: 1.75;
}
.kw-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.kw-tag {
  padding: 5px 14px;
  border-radius: 20px;
  background: var(--cream-2);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-2);
  border: 1px solid rgba(0,0,0,0.07);
}

/* ===== FAQ ===== */
.faq-section { background: var(--cream-2); }
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.faq-q {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
  text-align: left;
  transition: background 0.2s;
}
.faq-q:hover { background: var(--cream-2); }
.faq-q::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--accent-1);
  transition: transform 0.3s;
  flex-shrink: 0;
  margin-left: 12px;
}
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
  font-size: 0.95rem;
  color: var(--ink-2);
  line-height: 1.7;
}
.faq-item.open .faq-a {
  max-height: 300px;
  padding: 0 24px 20px;
}

/* ===== ABOUT ===== */
.about-section {
  background: var(--ink);
  color: var(--white);
}
.about-section .section-header h2 { color: var(--white); }
.about-section .section-header p { color: rgba(255,255,255,0.7); }
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-text p {
  color: rgba(255,255,255,0.75);
  font-size: 0.97rem;
  margin-bottom: 14px;
  line-height: 1.75;
}
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.stat-card {
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.1);
}
.stat-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 900;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
}

/* ===== FOOTER ===== */
.site-footer {
  background: #0F0F1A;
  color: var(--white);
  padding: 60px 24px 0;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
  margin-top: 14px;
  max-width: 320px;
  line-height: 1.7;
}
.footer-links {
  display: flex;
  gap: 48px;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col h4 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 6px;
}
.footer-col a {
  text-decoration: none;
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--accent-3); }
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 0;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.3);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .app-layout {
    grid-template-columns: 1fr;
  }
  .wheel-canvas-wrap { max-width: 440px; margin: 0 auto; }
  .content-grid { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 600px) {
  .hero { padding: 60px 16px 40px; }
  .section { padding: 60px 16px; }
  .app-section { padding: 40px 16px 60px; }
  .panel-tabs { grid-template-columns: repeat(4, 1fr); }
  .tab-btn {
    font-size: 0.72rem;
    padding: 11px 4px;
  }
  .hero h1 { font-size: 2.2rem; }
  .presets-grid { grid-template-columns: 1fr 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .footer-links { flex-direction: column; gap: 24px; }
  .modal-box { padding: 36px 24px; }
  #result-badge { font-size: 1.3rem; }
  .steps-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
}

/* ===== ANIMATIONS ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: none; }

/* Rainbow border animation for app section */
.app-section-title-wrap {
  text-align: center;
  margin-bottom: 40px;
}
.rainbow-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 24px;
  border-radius: 50px;
  background: var(--grad-main);
  color: #fff;
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  box-shadow: 0 4px 16px rgba(255,107,107,0.25);
  margin-bottom: 14px;
}