/* ==========================================================================
   Tiba Photography — Modern, Accessible, Responsive CSS
   - Clean base styles and components for a photography portfolio
   - Works with semantic HTML and common WordPress classes
   - No external dependencies
   ========================================================================== */

/* 1) CSS Custom Properties (Themes, spacing, radii, shadows) */
:root {
  color-scheme: light dark;

  /* Palette */
  --bg: #0e0f12;
  --bg-elev: #15171c;
  --bg-soft: #1b1f27;
  --text: #e9eef4;
  --text-dim: #b9c2cf;
  --muted: #758199;
  --border: #2a2f39;
  --accent: #46c2b5;      /* Calm teal accent */
  --accent-2: #ff8a46;    /* Warm secondary */
  --link: var(--accent);
  --link-hover: #34b0a2;

  /* Layout */
  --max-w: 1200px;
  --gutter: clamp(16px, 4vw, 32px);
  --radius-s: 8px;
  --radius: 14px;
  --radius-l: 22px;

  /* Typography */
  --font-sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --fs-1: clamp(42px, 6vw, 72px);
  --fs-2: clamp(28px, 4vw, 44px);
  --fs-3: clamp(20px, 2.5vw, 28px);
  --fs-4: 16px;

  /* Motion and effects */
  --shadow-1: 0 2px 12px rgba(0,0,0,.25);
  --shadow-2: 0 8px 32px rgba(0,0,0,.35);
  --ring: 0 0 0 3px color-mix(in oklab, var(--accent) 35%, transparent);
  --speed-1: 150ms;
  --speed-2: 260ms;
  --easing: cubic-bezier(.22,.61,.36,1);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fcfcfd;
    --bg-elev: #ffffff;
    --bg-soft: #f6f7fb;
    --text: #101318;
    --text-dim: #424a57;
    --muted: #6f7a8c;
    --border: #e6e9f0;
    --link: #0f988a;
    --link-hover: #0c7f73;
    --shadow-1: 0 2px 10px rgba(16,19,24,.06);
    --shadow-2: 0 16px 48px rgba(16,19,24,.12);
  }
}

/* 2) Modern CSS Reset (opinionated and accessible) */
*,
*::before,
*::after { box-sizing: border-box; }

html, body { height: 100%; }

html:focus-within { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-4);
  line-height: 1.6;
  color: var(--text);
  background: linear-gradient(180deg, color-mix(in oklab, var(--bg) 96%, transparent) 0%, var(--bg) 60%) fixed;
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
svg,
video,
canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

picture { display: contents; }

:where(h1,h2,h3,h4) {
  margin: 0 0 .6em;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 { font-size: var(--fs-1); }
h2 { font-size: var(--fs-2); }
h3 { font-size: var(--fs-3); }

p { margin: 0 0 1em; color: var(--text-dim); }

a {
  color: var(--link);
  text-decoration: none;
  text-underline-offset: 2px;
  transition: color var(--speed-1) var(--easing);
}
a:hover { color: var(--link-hover); }
a:focus-visible { outline: none; box-shadow: var(--ring); border-radius: 6px; }

button,
[role="button"],
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

:where(ul,ol) { margin: 0; padding: 0; list-style: none; }

::selection { background: color-mix(in oklab, var(--accent) 30%, transparent); }

/* 3) Layout utilities */
.container {
  width: min(100% - 2*var(--gutter), var(--max-w));
  margin-inline: auto;
}

.stack > * + * { margin-block-start: clamp(16px, 2.4vw, 28px); }

.cluster {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(10px, 2vw, 20px);
  align-items: center;
}

.grid {
  display: grid;
  gap: clamp(12px, 2.5vw, 24px);
}

.hidden { display: none !important; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* 4) Header / Navigation (handles many links gracefully) */
.site-header {
  position: sticky;
  top: 0; inset-inline: 0;
  z-index: 50;
  backdrop-filter: saturate(120%) blur(8px);
  background: color-mix(in oklab, var(--bg-elev) 75%, transparent);
  border-bottom: 1px solid var(--border);
}

.site-header .bar {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: var(--gutter);
  padding: 14px var(--gutter);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 124px;
  height: 26px;
  background: no-repeat center/contain url("https://tibalism.com/wp-content/uploads/2022/10/logo.jpg");
  filter: drop-shadow(0 1px 0 rgba(0,0,0,.15));
}
.brand-title {
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Primary nav: scrollable on small, wrapping on large */
.nav {
  border-top: 1px dashed color-mix(in oklab, var(--border) 60%, transparent);
  background: color-mix(in oklab, var(--bg-elev) 92%, transparent);
}
@media (min-width: 920px) {
  .nav { border-top: none; background: transparent; }
}

.nav .menu {
  display: flex;
  gap: clamp(10px, 1.4vw, 18px);
  padding: 10px var(--gutter);
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: color-mix(in oklab, var(--muted) 45%, transparent) transparent;
  scroll-snap-type: x proximity;
}
.nav .menu::-webkit-scrollbar { height: 8px; }
.nav .menu::-webkit-scrollbar-thumb { background: color-mix(in oklab, var(--muted) 35%, transparent); border-radius: 999px; }

@media (min-width: 1100px) {
  .nav .menu {
    flex-wrap: wrap;
    overflow: visible;
  }
}

.nav a {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--text-dim);
  background: color-mix(in oklab, var(--bg-soft) 35%, transparent);
  border: 1px solid color-mix(in oklab, var(--border) 70%, transparent);
  transition: transform var(--speed-1) var(--easing), background var(--speed-1), color var(--speed-1), border-color var(--speed-1);
  scroll-snap-align: start;
  white-space: nowrap;
}
.nav a:hover {
  color: var(--text);
  background: color-mix(in oklab, var(--bg-soft) 60%, transparent);
  border-color: color-mix(in oklab, var(--accent) 40%, var(--border));
  transform: translateY(-1px);
}
.nav a[aria-current="page"] {
  color: var(--text);
  background: color-mix(in oklab, var(--accent) 16%, transparent);
  border-color: color-mix(in oklab, var(--accent) 40%, var(--border));
}

/* Optional burger toggle (if a checkbox#nav-toggle + label.nav-toggle exists) */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 10px;
  cursor: pointer;
}
.nav-toggle .burger {
  width: 20px; height: 14px; position: relative;
}
.nav-toggle .burger::before,
.nav-toggle .burger::after,
.nav-toggle .burger span {
  content: ""; position: absolute; left: 0; right: 0; height: 2px; background: currentColor; border-radius: 2px; transition: transform var(--speed-2) var(--easing), opacity var(--speed-2);
}
.nav-toggle .burger::before { top: 0; }
.nav-toggle .burger span { top: 6px; }
.nav-toggle .burger::after { bottom: 0; }

#nav-toggle { display: none; }
#nav-toggle:not(:checked) ~ nav .menu { max-height: 42vh; }
@media (max-width: 919px) {
  #nav-toggle:not(:checked) ~ nav .menu { max-height: 42vh; }
  #nav-toggle:checked ~ nav .menu { max-height: 0; overflow: hidden; padding-block: 0; }
}
@media (min-width: 920px) {
  .nav-toggle { display: none; }
}

/* 5) Hero section */
.hero {
  position: relative;
  isolation: isolate;
  min-height: min(72vh, 820px);
  display: grid;
  place-items: center;
  text-align: center;
  padding: clamp(48px, 8vw, 96px) 0;
  background:
    radial-gradient(1200px 600px at 80% -20%, color-mix(in oklab, var(--accent) 10%, transparent), transparent),
    radial-gradient(900px 600px at -20% 100%, color-mix(in oklab, var(--accent-2) 12%, transparent), transparent);
  border-bottom: 1px solid var(--border);
}
.hero .inner {
  width: min(100% - 2*var(--gutter), 980px);
  margin-inline: auto;
}
.hero h1 {
  font-weight: 800;
  background: linear-gradient(90deg, var(--text) 0%, color-mix(in oklab, var(--text) 85%, var(--accent)) 40%, color-mix(in oklab, var(--text) 80%, var(--accent-2)) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p {
  font-size: clamp(18px, 2.2vw, 22px);
  margin-top: 14px;
}
.hero .cta {
  margin-top: clamp(18px, 3vw, 28px);
  display: inline-flex;
  gap: 12px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 12px;
  border: 1px solid color-mix(in oklab, var(--accent) 36%, var(--border));
  background: linear-gradient(180deg, color-mix(in oklab, var(--accent) 20%, var(--bg-elev)) 0%, var(--bg-elev) 100%);
  color: var(--text);
  font-weight: 600;
  box-shadow: var(--shadow-1);
  transition: transform var(--speed-1) var(--easing), box-shadow var(--speed-2), background var(--speed-2);
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); }
.btn:active { transform: translateY(0); }
.btn.secondary {
  border-color: var(--border);
  background: color-mix(in oklab, var(--bg-soft) 70%, var(--bg-elev));
  color: var(--text-dim);
}

/* 6) Gallery grid */
.gallery {
  padding: clamp(36px, 7vw, 72px) 0;
  background: linear-gradient(180deg, var(--bg) 0%, color-mix(in oklab, var(--bg-soft) 40%, var(--bg)) 100%);
}
.gallery .head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: clamp(18px, 3vw, 26px);
}
.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.filter {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  background: color-mix(in oklab, var(--bg-elev) 70%, var(--bg));
  cursor: pointer;
}
.filter[aria-pressed="true"] {
  color: var(--text);
  border-color: color-mix(in oklab, var(--accent) 40%, var(--border));
  background: color-mix(in oklab, var(--accent) 16%, var(--bg-elev));
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: clamp(10px, 1.8vw, 18px);
  content-visibility: auto;
  contain-intrinsic-size: 600px;
}

.card {
  position: relative;
  overflow: clip;
  border-radius: var(--radius);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-1);
  transition: transform var(--speed-2) var(--easing), box-shadow var(--speed-2), border-color var(--speed-1);
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
  border-color: color-mix(in oklab, var(--accent) 35%, var(--border));
}

.card figure {
  margin: 0; position: relative; overflow: hidden;
  aspect-ratio: 3 / 2;
  background: linear-gradient(135deg, color-mix(in oklab, var(--bg-soft) 80%, var(--bg-elev)), var(--bg-elev));
}
.card img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.02);
  transition: transform 450ms var(--easing);
}
.card:hover img { transform: scale(1.06); }

.card .meta {
  padding: 12px 14px 14px;
  display: grid;
  gap: 6px;
}
.card .title {
  font-weight: 600; color: var(--text);
  text-wrap: balance;
}
.card .sub {
  font-size: 14px; color: var(--muted);
}

/* 7) Pure-CSS Lightbox (:target pattern; add anchor IDs in markup) */
.lightbox {
  position: fixed;
  inset: 0;
  background: color-mix(in oklab, #000 70%, transparent);
  display: grid;
  place-items: center;
  padding: 4vmin;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--speed-2) var(--easing);
}
.lightbox:target { opacity: 1; pointer-events: all; }
.lightbox .frame {
  max-width: 96vw; max-height: 90vh;
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-2);
}
.lightbox img { display: block; width: 100%; height: auto; }
.lightbox .close {
  position: absolute; top: 18px; right: 18px;
  width: 38px; height: 38px; border-radius: 999px;
  display: grid; place-items: center;
  color: var(--text);
  background: color-mix(in oklab, var(--bg) 60%, transparent);
  border: 1px solid var(--border);
  text-decoration: none;
}

/* 8) Forms (search/contact) */
.input,
select,
textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg-elev) 85%, var(--bg));
  color: var(--text);
  transition: border-color var(--speed-1), box-shadow var(--speed-1), background var(--speed-1);
}
.input::placeholder { color: var(--muted); }
.input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: color-mix(in oklab, var(--accent) 40%, var(--border));
  box-shadow: var(--ring);
}

/* 9) Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg-elev) 85%, var(--bg));
  color: var(--text-dim);
  padding: clamp(28px, 5vw, 48px) 0;
}
.site-footer .grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  align-items: start;
}
.site-footer a { color: var(--text-dim); }
.site-footer a:hover { color: var(--text); }

/* 10) WordPress specifics (safe overrides) */
.wp-site-blocks { gap: unset; }
.wp-block-navigation a { border-radius: 999px; }
.wp-block-image img { border-radius: var(--radius); }
.alignwide { width: min(100% - 2*var(--gutter), var(--max-w) + 240px); margin-inline: auto; }
.alignfull { width: 100%; }

/* 11) Media queries */
@media (max-width: 599px) {
  .hero { min-height: 64vh; }
  .brand-title { display: none; } /* Save space on tiny screens */
  .gallery .head { flex-direction: column; align-items: start; }
}

/* 12) Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* 13) Print */
@media print {
  .site-header, .nav, .hero .cta, .filters, .lightbox { display: none !important; }
  body { background: #fff; color: #000; }
  .card, .site-footer { box-shadow: none; border-color: #ccc; }
}

/* 14) Helpful attribute-based defaults */
[aria-busy="true"] { cursor: progress; }
[disabled] { cursor: not-allowed; opacity: .6; }
[aria-current="page"] { font-weight: 700; }

/* 15) Optional helper: aspect ratio utilities */
.ratio-1x1 { aspect-ratio: 1 / 1; }
.ratio-4x3 { aspect-ratio: 4 / 3; }
.ratio-3x2 { aspect-ratio: 3 / 2; }
.ratio-16x9 { aspect-ratio: 16 / 9; }

/* 16) Optional: subtle entrance effect for cards */
@media (prefers-reduced-motion: no-preference) {
  .card { opacity: 0; transform: translateY(8px); }
  .gallery-grid .card { animation: rise-in .7s var(--easing) both; }
  .gallery-grid .card:nth-child(2) { animation-delay: 60ms; }
  .gallery-grid .card:nth-child(3) { animation-delay: 120ms; }
  .gallery-grid .card:nth-child(4) { animation-delay: 180ms; }
  @keyframes rise-in {
    to { opacity: 1; transform: translateY(0); }
  }
}