/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0e1a;
  --bg-card: #111827;
  --bg-card-hover: #1a2340;
  --accent: #ff6b6b;
  --accent2: #ffa07a;
  --accent3: #ff4757;
  --teal: #00cec9;
  --teal-dim: #00a8a5;
  --gold: #ffd32a;
  --green: #2ed573;
  --red: #ff4757;
  --text: #e8eaf0;
  --text-dim: #8892a8;
  --radius: 16px;
  --radius-sm: 10px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'SN Pro', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: linear-gradient(170deg, #0a0e1a 0%, #0d1b3e 40%, #1a0a2e 70%, #0a0e1a 100%);
}

.hero__bg-bubbles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero__bubble {
  position: absolute;
  border-radius: 50%;
  opacity: 0.08;
  animation: floatBubble linear infinite;
}

@keyframes floatBubble {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 0.08; }
  90% { opacity: 0.08; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

.hero__content { position: relative; z-index: 2; padding: 2rem; }

.hero__emoji {
  font-size: 6rem;
  animation: bounce 2s ease-in-out infinite;
  filter: drop-shadow(0 0 40px rgba(255,107,107,.4));
}

@keyframes bounce {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-15px) rotate(-5deg); }
  50% { transform: translateY(0) rotate(0deg); }
  75% { transform: translateY(-8px) rotate(5deg); }
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent2), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 1rem 0 0.5rem;
  text-shadow: none;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-dim);
  max-width: 600px;
  margin: 0 auto 2rem;
}

.hero__cta {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: 50px;
  transition: transform .2s, box-shadow .2s;
  box-shadow: 0 8px 30px rgba(255,107,107,.3);
}

.hero__cta:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 12px 40px rgba(255,107,107,.5);
}

/* ===== SECTION TITLES ===== */
.section-title {
  text-align: center;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--teal), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-desc {
  text-align: center;
  color: var(--text-dim);
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== METHODS SECTION ===== */
.methods {
  padding: 5rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.methods__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.2rem;
}

.method-card {
  background: var(--bg-card);
  border: 2px solid transparent;
  border-radius: var(--radius);
  padding: 1.8rem 1.2rem;
  text-align: center;
  cursor: pointer;
  transition: all .25s;
  position: relative;
  overflow: hidden;
}

.method-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, var(--card-glow, rgba(255,107,107,.1)), transparent 70%);
  opacity: 0;
  transition: opacity .3s;
}

.method-card:hover::before { opacity: 1; }
.method-card:hover {
  border-color: var(--card-border, var(--accent));
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,.3);
}

.method-card.active {
  border-color: var(--teal);
  background: var(--bg-card-hover);
}

.method-card__icon { font-size: 3rem; margin-bottom: 0.8rem; display: block; }
.method-card__name { font-weight: 700; font-size: 1.1rem; margin-bottom: 0.3rem; }
.method-card__desc { font-size: 0.85rem; color: var(--text-dim); line-height: 1.5; }
.method-card__time { font-size: 0.8rem; color: var(--teal); margin-top: 0.5rem; font-weight: 600; }

/* ===== SIMULATOR ===== */
.simulator {
  padding: 5rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.simulator__wrapper {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.simulator__methods {
  display: flex;
  gap: 0.8rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scrollbar-width: thin;
}

.sim-btn {
  flex-shrink: 0;
  padding: 0.7rem 1.4rem;
  border: 2px solid #2a2f45;
  border-radius: 50px;
  background: var(--bg-card);
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  white-space: nowrap;
}

.sim-btn:hover { border-color: var(--accent2); background: var(--bg-card-hover); }
.sim-btn.active {
  border-color: var(--teal);
  background: rgba(0,206,201,.12);
  color: var(--teal);
  box-shadow: 0 0 15px rgba(0,206,201,.15);
}

.simulator__stage {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid #1e2440;
}

.simulator__plate {
  position: relative;
  width: 100%;
  max-width: 400px;
  margin: 0 auto 1.5rem;
  aspect-ratio: 400/340;
  background: radial-gradient(ellipse at 50% 60%, #1a2040, #0d1225);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 -20px 40px rgba(0,0,0,.4), 0 8px 30px rgba(0,0,0,.3);
  overflow: hidden;
}

#shrimpCanvas {
  width: 100%;
  height: 100%;
}

.simulator__smoke {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.smoke-particle {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
  animation: smokeRise 2s ease-out infinite;
}

@keyframes smokeRise {
  0% { transform: translateY(0) scale(1); opacity: .4; }
  100% { transform: translateY(-80px) scale(3); opacity: 0; }
}

/* Status bar */
.simulator__status {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem 1.2rem;
  border-radius: var(--radius-sm);
  background: #0d1225;
  margin-bottom: 1.2rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.simulator__status-indicator {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--text-dim);
  transition: background .3s;
  flex-shrink: 0;
}

.simulator__status-indicator.raw { background: #6c5ce7; }
.simulator__status-indicator.under { background: #ffa502; }
.simulator__status-indicator.perfect { background: var(--green); box-shadow: 0 0 10px var(--green); }
.simulator__status-indicator.over { background: var(--accent); }
.simulator__status-indicator.burnt { background: #2f1b1b; box-shadow: 0 0 10px var(--red); }

/* Slider */
.simulator__controls { margin-bottom: 1.2rem; }

.simulator__label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
  color: var(--text-dim);
}

.simulator__label strong {
  color: var(--teal);
  font-size: 1.1rem;
}

.simulator__slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(to right, #6c5ce7, var(--green), #ffa502, var(--accent), #2f1b1b);
  outline: none;
  cursor: pointer;
}

.simulator__slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--teal);
  box-shadow: 0 2px 8px rgba(0,0,0,.4);
  cursor: grab;
  transition: transform .15s;
}

.simulator__slider::-webkit-slider-thumb:hover { transform: scale(1.15); }

.simulator__slider::-moz-range-thumb {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--teal);
  box-shadow: 0 2px 8px rgba(0,0,0,.4);
  cursor: grab;
}

.simulator__time-marks {
  display: flex;
  justify-content: space-between;
  margin-top: 0.4rem;
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* Info box */
.simulator__info {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.2rem;
  background: #0d1225;
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--teal);
}

.simulator__info-icon { font-size: 1.5rem; flex-shrink: 0; }

.simulator__info-text {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-dim);
}

.simulator__info-text strong { color: var(--text); }

.simulator__info.warn { border-left-color: var(--accent); }
.simulator__info.danger { border-left-color: var(--red); }
.simulator__info.good { border-left-color: var(--green); }

/* ===== TIPS ===== */
.tips {
  padding: 5rem 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.tips__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.2rem;
}

.tip-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid #1e2440;
  transition: transform .2s;
}

.tip-card:hover { transform: translateY(-3px); }
.tip-card__icon { font-size: 2rem; margin-bottom: 0.6rem; }
.tip-card__title { font-weight: 700; font-size: 1.05rem; margin-bottom: 0.4rem; color: var(--accent2); }
.tip-card__text { font-size: 0.9rem; color: var(--text-dim); line-height: 1.6; }

/* ===== RECIPES ===== */
.recipes {
  padding: 5rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.recipes__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.recipe-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid #1e2440;
  transition: transform .2s, box-shadow .2s;
}

.recipe-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,.3);
}

.recipe-card__header {
  padding: 1.5rem 1.5rem 1rem;
  position: relative;
}

.recipe-card__emoji { font-size: 2.5rem; }

.recipe-card__difficulty {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.3rem 0.8rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.recipe-card__difficulty.easy { background: rgba(46,213,115,.15); color: var(--green); }
.recipe-card__difficulty.medium { background: rgba(255,165,2,.15); color: #ffa502; }
.recipe-card__difficulty.hard { background: rgba(255,71,87,.15); color: var(--red); }

.recipe-card__title { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.3rem; }
.recipe-card__time { font-size: 0.85rem; color: var(--teal); font-weight: 600; }

.recipe-card__body { padding: 0 1.5rem 1.5rem; }

.recipe-card__ingredients {
  list-style: none;
  margin-bottom: 1rem;
}

.recipe-card__ingredients li {
  font-size: 0.88rem;
  color: var(--text-dim);
  padding: 0.2rem 0;
}

.recipe-card__ingredients li::before {
  content: '• ';
  color: var(--accent2);
}

.recipe-card__steps {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.65;
  border-top: 1px solid #1e2440;
  padding-top: 0.8rem;
}

/* ===== FOOTER ===== */
.footer {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-dim);
  font-size: 0.9rem;
  border-top: 1px solid #1e2440;
  margin-top: 3rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
  .hero__emoji { font-size: 4rem; }
  .methods__grid { grid-template-columns: repeat(2, 1fr); gap: 0.8rem; }
  .method-card { padding: 1.2rem 0.8rem; }
  .method-card__icon { font-size: 2.2rem; }
  .simulator__stage { padding: 1.2rem; }
  .recipes__grid { grid-template-columns: 1fr; }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  animation: fadeInUp .5s ease-out forwards;
  opacity: 0;
}

/* Shake for bad cooking */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-4px); }
  40% { transform: translateX(4px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(3px); }
}

.shake { animation: shake .4s ease-in-out; }