/* ============================================================
   SITE: Tom Tranfaglia Photography
   FILE: css/styles.css

   SECTIONS IN THIS FILE:
   1. Variables (colors, fonts)
   2. Base / Reset
   3. Nav
   4. Hero
   5. Field Index (elevation carousel)
   6. Gallery (portfolio grid + filter)
   7. For Businesses
   8. About
   9. Contact
   10. Footer
   11. Responsive
   12. Carousel
   ============================================================ */

/* ---- 1. Variables ---- */
:root {
  --ink: #0E0C08;
  --paper: #EDE8DC;
  --lichen: #6A7A50;
  --rust: #C07828;
  --pine: #1C3018;
  --granite: #9A8A6A;
  --ink-soft: #1A1610;

  --display: 'Oswald', sans-serif;
  --body: 'Work Sans', sans-serif;
  --mono: 'JetBrains Mono', monospace;

  --max: 1200px;
}

/* ---- 2. Base / Reset ---- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

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

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 32px; }

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rust);
}

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  line-height: 1.05;
}

/* ---- 3. Nav ---- */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(28,31,27,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(201,194,176,0.18);
}

nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--display);
  font-size: 18px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--paper);
}
.logo span { color: var(--rust); }

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--granite);
  transition: color 0.2s ease;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}
.nav-links a:hover, .nav-links a:focus-visible { color: var(--paper); border-bottom-color: var(--rust); }
.nav-links a:focus-visible { outline: 2px solid var(--rust); outline-offset: 4px; }

.nav-cta {
  background: var(--rust);
  color: var(--paper) !important;
  padding: 9px 18px !important;
  border-bottom: none !important;
  border-radius: 6px;
}
.nav-cta:hover { background: #8A5218; color: var(--paper) !important; }

.nav-toggle {
  display: none;
  background: none; border: none;
  color: var(--paper);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

/* ---- 4. Hero ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: linear-gradient(180deg, rgba(14,12,8,0.55) 0%, rgba(14,12,8,0.40) 35%, rgba(14,12,8,0.92) 100%),
              url('../photos/Sample Images -6.jpg') center 30% / cover no-repeat;
  color: var(--paper);
}

.hero-coords {
  position: absolute;
  top: 100px;
  right: 32px;
  text-align: right;
  font-family: var(--mono);
  font-size: 11.5px;
  color: rgba(237,234,226,0.75);
  line-height: 1.8;
  letter-spacing: 0.04em;
}
.hero-coords .pin { color: var(--rust); }

.hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px 72px;
  width: 100%;
}

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rust);
  margin-bottom: 18px;
  display: block;
}

.hero h1 {
  font-size: clamp(48px, 9vw, 108px);
  color: var(--paper);
  max-width: 900px;
}

.hero-sub {
  margin-top: 22px;
  max-width: 520px;
  font-size: 17px;
  color: var(--paper);
  font-weight: 300;
}

.hero-scroll {
  margin-top: 48px;
  display: flex;
  gap: 28px;
  align-items: center;
}

.scroll-line { width: 64px; height: 1px; background: var(--granite); }

.scroll-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--granite);
}

/* ---- 5. Field Index (elevation carousel) ---- */
.elevation {
  background: var(--ink);
  padding: 64px 0 0;
  position: relative;
  overflow: hidden;
}

.elevation-label {
  padding: 0 32px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 32px;
}

.elevation-label .eyebrow { color: var(--rust); }
.elevation-label .note {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--lichen);
  letter-spacing: 0.04em;
}

.elevation svg { display: block; width: 100%; height: auto; }

.terrain-point { cursor: pointer; }
.terrain-point circle { transition: r 0.2s ease, fill 0.2s ease; }
.terrain-point:hover circle, .terrain-point:focus circle { r: 7; fill: var(--rust); }

.terrain-point text {
  font-family: var(--mono);
  fill: var(--granite);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.terrain-point .discipline-label {
  font-family: var(--display);
  fill: var(--paper);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ---- 6. Gallery ---- */
section { padding: 110px 0; }

.section-head {
  margin-bottom: 56px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  flex-wrap: wrap;
}

.section-head h2 { font-size: clamp(32px, 4.5vw, 52px); }

.section-head .desc {
  max-width: 380px;
  font-size: 15px;
  color: var(--ink-soft);
  font-weight: 300;
}

hr.rule { border: none; border-top: 1px solid var(--granite); margin: 0; }

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--ink);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 48px;
}

.legend button {
  flex: 1;
  min-width: 140px;
  background: var(--paper);
  border: none;
  border-right: 1px solid var(--ink);
  padding: 16px 18px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 10px;
  transition: background 0.2s ease, color 0.2s ease;
}
.legend button:last-child { border-right: none; }

.legend button .swatch { width: 9px; height: 9px; background: var(--lichen); flex-shrink: 0; }
.legend button.active { background: var(--ink); color: var(--paper); }
.legend button.active .swatch { background: var(--rust); }
.legend button:hover:not(.active) { background: var(--granite); }
.legend button:focus-visible { outline: 2px solid var(--rust); outline-offset: -2px; }

.gallery { position: relative; min-height: 400px; }

.tile {
  position: absolute;
  top: 0;
  left: 0;
  overflow: hidden;
  background: var(--ink);
  opacity: 0;
  will-change: transform, width, height, opacity, filter;
}

.tile img { width: 100%; height: 100%; display: block; object-fit: cover; }

.tile-meta {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 16px;
  background: linear-gradient(180deg, transparent, rgba(28,31,27,0.92));
  color: var(--paper);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.tile:hover .tile-meta, .tile:focus-within .tile-meta { opacity: 1; }

.tile-meta .loc {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--granite);
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: 4px;
}

.tile-meta .cap {
  font-family: var(--display);
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.tile.hidden { pointer-events: none; }

/* ---- 7. For Businesses ---- */
.biz { background: var(--ink); color: var(--paper); }
.biz .eyebrow { color: var(--rust); }
.biz h2 { color: var(--paper); }
.biz .desc { color: var(--granite); }

.biz-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid rgba(201,194,176,0.25);
}

.biz-card {
  padding: 36px 28px;
  border-right: 1px solid rgba(201,194,176,0.25);
  border-bottom: 1px solid rgba(201,194,176,0.25);
}
.biz-card:nth-child(3n) { border-right: none; }

.biz-card .num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--rust);
  display: block;
  margin-bottom: 16px;
}

.biz-card h3 { font-size: 19px; margin-bottom: 12px; }

.biz-card p {
  font-size: 14px;
  color: var(--granite);
  font-weight: 300;
  line-height: 1.6;
}

.biz-band {
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid rgba(201,194,176,0.25);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.biz-band .who {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--lichen);
  letter-spacing: 0.04em;
  line-height: 1.8;
}

/* ---- 8. About ---- */
#about::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(255,255,255,0.04) 0%, rgba(0,0,0,0.0) 100%);
  pointer-events: none;
  z-index: 0;
}
#about > * { position: relative; z-index: 1; }
#about h2 { color: var(--paper); }
#about .eyebrow { color: var(--rust); }
#about .about-copy p { color: var(--granite); }
#about .stat .l { color: var(--lichen); }
#about .stat-row { border-top-color: rgba(255,255,255,0.12); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: center;
}

.about-img {
  aspect-ratio: 4/5;
  overflow: hidden;
  background: var(--granite);
  position: relative;
}
.about-img img { width: 100%; height: 100%; object-fit: cover; }

.about-tag {
  position: absolute;
  bottom: 16px; left: 16px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  padding: 6px 10px;
}

.about-copy p {
  font-size: 16px;
  font-weight: 300;
  margin-bottom: 18px;
  max-width: 480px;
}

.stat-row {
  display: flex;
  gap: 40px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--granite);
}

.stat .n { font-family: var(--display); font-size: 30px; color: var(--rust); }
.stat .l {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 4px;
}

/* ---- 9. Contact ---- */
.contact { background: var(--ink); color: var(--paper); }
.contact .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.contact h2 { color: var(--paper); }

.contact-info { padding-top: 8px; }
.contact-info p { color: var(--granite); font-size: 15px; font-weight: 300; margin-bottom: 28px; max-width: 380px; }

.contact-detail { margin-bottom: 22px; }
.contact-detail .l {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--lichen);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.contact-detail a, .contact-detail .v { font-size: 16px; color: var(--paper); }
.contact-detail a:hover { color: var(--rust); }

form { display: flex; flex-direction: column; gap: 18px; }

.field label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--lichen);
  margin-bottom: 8px;
}

.field input, .field select, .field textarea {
  width: 100%;
  background: transparent;
  border: 1px solid rgba(201,194,176,0.4);
  color: var(--paper);
  padding: 12px 14px;
  font-family: var(--body);
  font-size: 16px;
  border-radius: 0;
}
.field select { appearance: none; }
.field textarea { resize: vertical; min-height: 90px; }

.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--rust);
}

.submit-btn {
  margin-top: 8px;
  background: var(--rust);
  color: var(--paper);
  border: none;
  border-radius: 6px;
  padding: 15px 28px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  align-self: flex-start;
  transition: background 0.2s ease;
}
.submit-btn:hover { background: #8A5218; }
.submit-btn:focus-visible { outline: 2px solid var(--paper); outline-offset: 2px; }

/* ---- 10. Footer ---- */
footer {
  background: var(--ink);
  border-top: 1px solid rgba(201,194,176,0.18);
  padding: 28px 0;
}
footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
footer .f-text {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--lichen);
  letter-spacing: 0.04em;
}

/* ---- 11. Responsive ---- */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--ink);
    flex-direction: column;
    padding: 20px 32px;
    gap: 18px;
    border-top: 1px solid rgba(201,194,176,0.18);
  }
  .biz-grid { grid-template-columns: 1fr; }
  .biz-card { border-right: none; }
  .about-grid { grid-template-columns: 1fr; }
  .contact .wrap { grid-template-columns: 1fr; }
  .hero-coords { display: none; }
  .legend button { min-width: 100%; border-right: none; }
}

@media (max-width: 560px) {
  section { padding: 72px 0; }
  .wrap { padding: 0 20px; }
  nav { padding: 16px 20px; }
}

/* ---- 12. Carousel ---- */
.carousel-outer { overflow: hidden; width: 100%; }
.carousel-track { display: flex; transition: transform 0.4s cubic-bezier(0.4,0,0.2,1); }
.carousel-slide { min-width: 100%; }
.carousel-slide svg { display: block; width: 100%; height: auto; }

.slide-meta {
  padding: 0 32px 20px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.elev-note {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--lichen);
  letter-spacing: 0.04em;
}
.carousel-nav { display: flex; align-items: center; gap: 12px; }

.carousel-btn {
  background: none;
  border: 1px solid rgba(201,194,176,0.3);
  border-radius: 6px;
  color: var(--granite);
  font-size: 16px;
  width: 32px; height: 32px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s, color 0.2s;
  flex-shrink: 0;
}
.carousel-btn:hover { border-color: var(--rust); color: var(--paper); }
.carousel-btn:focus-visible { outline: 2px solid var(--rust); outline-offset: 2px; }

.carousel-dots { display: flex; gap: 6px; align-items: center; }
.carousel-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  border: none;
  background: rgba(201,194,176,0.3);
  cursor: pointer;
  padding: 0;
  transition: background 0.2s, transform 0.2s;
}
.carousel-dot--active { background: var(--rust); transform: scale(1.4); }

@media (max-width: 900px) {
  .slide-meta { flex-direction: column; gap: 6px; }
}