:root {
  --bg: #120e0c;
  --bg-elev: #1c1612;
  --panel: #241c16;
  --ink: #f3e6d4;
  --muted: #a8947e;
  --crema: #e8b86d;
  --crema-bright: #f5d08a;
  --espresso: #6b3d1f;
  --roast: #3d2414;
  --line: rgba(232, 184, 109, 0.18);
  --good: #8fbf7a;
  --warn: #e0a45a;
  --hot: #d86b4f;
  --radius: 18px;
  --font: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Avenir Next", "Segoe UI", system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--sans);
  background:
    radial-gradient(900px 500px at 10% -10%, rgba(107, 61, 31, 0.35), transparent 60%),
    radial-gradient(700px 400px at 90% 0%, rgba(232, 184, 109, 0.12), transparent 55%),
    var(--bg);
  line-height: 1.5;
}

.bg-grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  z-index: 0;
}

.bg-glow {
  pointer-events: none;
  position: fixed;
  width: 40vw;
  height: 40vw;
  max-width: 480px;
  max-height: 480px;
  right: -8%;
  top: 18%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 184, 109, 0.14), transparent 70%);
  filter: blur(20px);
  z-index: 0;
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem 0.5rem;
}

.brand {
  color: var(--crema);
  text-decoration: none;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
}

.brand:hover {
  color: var(--crema-bright);
}

.brand-mark {
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.hero {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 0.5rem;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  margin: 0 0 0.6rem;
  color: var(--crema);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
}

h1 {
  margin: 0 0 0.85rem;
  font-family: var(--font);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.lede {
  margin: 0;
  max-width: 34ch;
  color: var(--muted);
  font-size: 1.05rem;
}

.portafilter {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.pour-scene {
  width: min(100%, 280px);
  height: auto;
  filter: drop-shadow(0 18px 40px rgba(0, 0, 0, 0.45));
}

.pour-caption {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Pour animations */
.stream {
  transform-origin: top center;
  transform: scaleY(0);
  opacity: 0;
}

.portafilter.pulling .stream {
  animation: streamFlow 0.55s ease-out forwards;
}

.portafilter.pulling .stream-r {
  animation-delay: 0.08s;
}

.portafilter.pulled .stream {
  transform: scaleY(0);
  opacity: 0;
}

@keyframes streamFlow {
  0% { transform: scaleY(0); opacity: 0; }
  30% { opacity: 1; }
  100% { transform: scaleY(1); opacity: 0.95; }
}

.shot-fill {
  transform-box: fill-box;
  transform-origin: bottom center;
  transform: scaleY(0);
  transition: transform 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}

.portafilter.pulling .shot-fill,
.portafilter.pulled .shot-fill {
  transform: scaleY(1);
}

.portafilter.pulling .crema,
.portafilter.pulled .crema {
  opacity: 1;
  animation: cremaBloom 1.2s ease-out forwards;
}

.portafilter.pulling .bubbles,
.portafilter.pulled .bubbles {
  opacity: 1;
  animation: bubbleRise 2.4s ease-in-out infinite;
}

@keyframes cremaBloom {
  0% { transform: translateY(40px) scaleX(0.7); opacity: 0; }
  60% { opacity: 1; }
  100% { transform: translateY(0) scaleX(1); opacity: 1; }
}

@keyframes bubbleRise {
  0%, 100% { transform: translateY(0); opacity: 0.7; }
  50% { transform: translateY(-12px); opacity: 1; }
}

.lab-panel {
  max-width: 1080px;
  margin: 1.25rem auto 3rem;
  padding: 1.5rem;
  background: linear-gradient(160deg, rgba(36, 28, 22, 0.95), rgba(20, 15, 12, 0.92));
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  display: grid;
  gap: 1.5rem;
}

.recipes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.chip {
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.55rem 0.95rem;
  font: inherit;
  font-size: 0.86rem;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.15s;
}

.chip:hover {
  border-color: rgba(232, 184, 109, 0.45);
  transform: translateY(-1px);
}

.chip.active {
  background: linear-gradient(135deg, rgba(232, 184, 109, 0.28), rgba(107, 61, 31, 0.45));
  border-color: var(--crema);
  color: var(--crema-bright);
}

.dials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.dial {
  display: grid;
  gap: 0.55rem;
  padding: 1rem;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.dial-label {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.dial-value {
  font-family: var(--font);
  font-size: 1.35rem;
  color: var(--crema-bright);
}

.dial-value strong {
  font-weight: 600;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--roast), var(--crema));
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--crema-bright);
  border: 2px solid #2a1c12;
  box-shadow: 0 0 0 4px rgba(232, 184, 109, 0.2);
  cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--crema-bright);
  border: 2px solid #2a1c12;
  cursor: pointer;
}

.ratio-board {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 0.85rem;
}

.ratio-card {
  padding: 1.1rem 1.2rem;
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(232, 184, 109, 0.14), rgba(61, 36, 20, 0.35));
  border: 1px solid rgba(232, 184, 109, 0.28);
}

.ratio-card.subtle {
  background: var(--bg-elev);
  border-color: var(--line);
}

.ratio-label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.ratio-number {
  font-family: var(--font);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  color: var(--crema-bright);
}

.ratio-number.small {
  font-size: 1.35rem;
}

.timer-block {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.25rem;
  align-items: center;
  padding: 1.1rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #160f0c;
}

.timer-face {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-height: 96px;
  padding-left: 0.25rem;
}

.timer-digits {
  font-family: var(--font);
  font-size: clamp(2.8rem, 6vw, 3.6rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
  transition: color 0.25s;
}

.timer-unit {
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 0.35rem;
}

.timer-ring {
  position: absolute;
  right: 8%;
  top: 50%;
  width: 72px;
  height: 72px;
  margin-top: -36px;
  border-radius: 50%;
  border: 2px solid rgba(232, 184, 109, 0.15);
}

.timer-face.running .timer-digits {
  color: var(--crema-bright);
}

.timer-face.running .timer-ring {
  border-color: transparent;
  background:
    conic-gradient(from -90deg, var(--crema) var(--progress, 0%), rgba(255,255,255,0.06) 0);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #000 calc(100% - 3px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #000 calc(100% - 3px));
  animation: pulseRing 1.2s ease-in-out infinite;
}

.timer-face.done .timer-digits {
  color: var(--good);
}

@keyframes pulseRing {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.25); }
}

.timer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  justify-content: flex-end;
}

.btn {
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.7rem 1.15rem;
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.15s, opacity 0.2s;
}

.btn:hover:not(:disabled) {
  border-color: rgba(232, 184, 109, 0.45);
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn.primary {
  background: linear-gradient(135deg, #c4893a, #6b3d1f);
  border-color: transparent;
  color: #1a100a;
  font-weight: 600;
}

.btn.primary:hover:not(:disabled) {
  filter: brightness(1.08);
}

.btn.ghost {
  background: transparent;
}

.tips {
  padding: 1.25rem 1.35rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(61, 36, 20, 0.45), rgba(18, 14, 12, 0.8));
}

.tips h2 {
  margin: 0 0 0.45rem;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  font-family: var(--sans);
}

.tip-status {
  margin: 0 0 0.5rem;
  font-family: var(--font);
  font-size: 1.55rem;
  color: var(--crema-bright);
}

.tips[data-zone="under"] .tip-status { color: var(--warn); }
.tips[data-zone="balanced"] .tip-status { color: var(--good); }
.tips[data-zone="over"] .tip-status { color: var(--hot); }

.tip-body {
  margin: 0 0 0.75rem;
  color: var(--ink);
  opacity: 0.9;
}

.tip-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.tip-list li + li {
  margin-top: 0.35rem;
}

.site-footer {
  max-width: 1080px;
  margin: 0 auto 2rem;
  padding: 0 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer a {
  color: var(--crema);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .lede {
    max-width: none;
    margin-inline: auto;
  }

  .dials,
  .ratio-board {
    grid-template-columns: 1fr;
  }

  .timer-block {
    grid-template-columns: 1fr;
  }

  .timer-actions {
    justify-content: stretch;
  }

  .timer-actions .btn {
    flex: 1;
  }

  .timer-ring {
    right: 4%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .portafilter.pulling .stream,
  .portafilter.pulling .crema,
  .portafilter.pulling .bubbles,
  .timer-face.running .timer-ring {
    animation: none;
  }
}