/* ============================================================
   Bread & Breath — Design Tokens & Reset
   ============================================================ */

:root {
  --cream:        #f5f0e8;
  --linen:        #ede6d6;
  --linen-dark:   #d9cebc;
  --clay:         #8b6a4f;
  --clay-light:   #c4a882;
  --clay-dim:     #a07850;
  --sage:         #7a8c78;
  --sage-light:   #9aad97;
  --umber:        #2d2218;
  --umber-mid:    #3d3025;
  --warm-white:   #faf7f2;
  --text:         #2d2218;
  --text-mid:     #5a4a38;
  --text-light:   #9a8878;
  --bg:           var(--cream);
  --surface:      var(--linen);
  --elevated:     var(--linen-dark);
  --accent:       var(--clay);
  --accent-dim:   var(--clay-dim);
  --accent-h:     #7a5c40;
  --accent-light: var(--clay-light);
  --accent-dark:  #6b4f38;

  --ff-display: 'Fraunces', Georgia, serif;
  --ff-body:    'Source Serif 4', Georgia, serif;

  --max-w: 1160px;
  --section-py: clamp(5rem, 8vw, 9rem);
}

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

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--clay-dim) var(--linen);
  font-size: 16px;
}

::-webkit-scrollbar { width: 7px; }
::-webkit-scrollbar-track { background: var(--linen); }
::-webkit-scrollbar-thumb { background: var(--clay-dim); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--clay); }

body {
  font-family: var(--ff-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* Noise Texture Overlay */
.textured { position: relative; }
.textured::after {
  content: '';
  position: absolute; inset: 0;
  z-index: 2; pointer-events: none;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 220px 220px;
}

/* Layout */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

.wrap { position: relative; z-index: 5; }

/* Section Label */
.section-label {
  display: block;
  font-family: var(--ff-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clay);
  margin-bottom: 0.85rem;
}

/* Dividers */
.divider-grain,
.divider-wave {
  line-height: 0;
  overflow: hidden;
}

.divider-grain svg, .divider-wave svg {
  width: 100%; height: 40px; display: block;
}

.divider-grain { background: var(--umber); }
.divider-wave { background: var(--cream); }
.divider-wave--flip { background: var(--linen); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--ff-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  border-radius: 2px;
  transition: background 0.25s, color 0.25s, transform 0.2s, box-shadow 0.25s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--clay);
  color: var(--cream);
  box-shadow: 0 2px 12px rgba(139, 106, 79, 0.25);
}

.btn-primary:hover {
  background: var(--accent-h);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(139, 106, 79, 0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--cream);
  border: 1px solid rgba(245, 240, 232, 0.5);
}

.btn-ghost:hover {
  background: rgba(245, 240, 232, 0.12);
  border-color: var(--cream);
}

.btn-outline {
  background: transparent;
  color: var(--clay);
  border: 1px solid var(--clay-dim);
}

.btn-outline:hover {
  background: var(--clay);
  color: var(--cream);
}

/* Lazy Load Shimmer */
img[loading="lazy"]:not(.loaded) {
  background: linear-gradient(90deg, var(--linen) 25%, var(--linen-dark) 50%, var(--linen) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer { to { background-position: -200% 0; } }

/* Scroll Reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-reveal="left"]  { transform: translateX(-40px); }
[data-reveal="right"] { transform: translateX(40px); }
[data-reveal="scale"] { transform: scale(0.93); }

[data-reveal].revealed { opacity: 1; transform: none; }

.blur-reveal {
  filter: blur(8px); opacity: 0.8;
  transition: filter 1s ease, opacity 1s ease;
}

.blur-reveal.revealed { filter: blur(0); opacity: 1; }

/* Progress Bar */
.progress-bar {
  position: fixed; top: 0; left: 0;
  height: 2px; z-index: 300;
  background: linear-gradient(90deg, var(--umber), var(--clay), var(--clay-light));
  width: 0%; opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}

/* Scroll to Top */
.scroll-top {
  position: fixed;
  bottom: 1.75rem; right: 1.75rem;
  width: 42px; height: 42px;
  border-radius: 2px;
  background: var(--clay); color: var(--cream);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: translateY(10px);
  transition: opacity 0.3s, transform 0.3s, background 0.2s;
  cursor: pointer; z-index: 50; border: none;
  box-shadow: 0 4px 16px rgba(45, 34, 24, 0.2);
}

.scroll-top.visible { opacity: 1; transform: none; }
.scroll-top:hover { background: var(--accent-h); }

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .blur-reveal { filter: none; opacity: 1; }
  .progress-bar { display: none; }
}