/* =========================================================================
   Ashihara Karate Türkiye — core stylesheet
   Concept: "Sabaki" (circular evasion). Dark martial-poster identity.
   ========================================================================= */

:root {
  --sumi:       #12100E;
  --ink:        #1B1714;
  --panel:      #1F1A16;
  --bone:       #F4EFE6;
  --bone-dim:   #C9C1B3;
  --stone:      #8A827A;
  --red:        #D11A2A;
  --red-deep:   #A01320;
  --brass:      #C9A24B;
  --line:       rgba(244, 239, 230, 0.12);
  --line-soft:  rgba(244, 239, 230, 0.07);

  --ff-display: "Oswald", "Arial Narrow", sans-serif;
  --ff-body:    "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --wrap: 1200px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --nav-h: 72px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- i18n no-flash guard ----------
   Set by the inline <head> script only when the stored language differs
   from the Turkish baked into the markup. Removed by i18n.js once the
   correct language is applied, so the wrong language never paints. */
html.i18n-hide body { visibility: hidden; }

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--sumi);
  color: var(--bone);
  font-family: var(--ff-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* ---------- type ---------- */
h1, h2, h3, .display {
  font-family: var(--ff-display);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  margin: 0;
}

.eyebrow {
  font-family: var(--ff-display);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.32em;
  font-size: 0.78rem;
  color: var(--brass);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 1px;
  background: var(--brass);
  opacity: 0.7;
}

.lead { font-size: 1.2rem; color: var(--bone-dim); max-width: 60ch; }

.accent { color: var(--red); }

/* ---------- layout ---------- */
.wrap { width: min(100% - var(--gutter) * 2, var(--wrap)); margin-inline: auto; }
.section { padding: clamp(4rem, 9vw, 8rem) 0; position: relative; }
.section--tight { padding: clamp(3rem, 6vw, 5rem) 0; }

.section-head { max-width: 62ch; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head h2 { font-size: clamp(2.2rem, 6vw, 4rem); margin-top: 1.1rem; }

/* ---------- header / nav ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(18, 16, 14, 0);
  border-bottom: 1px solid transparent;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(18, 16, 14, 0.86);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; width: 100%; }

.brand { display: flex; align-items: center; gap: 0.8rem; }
.brand__mark { height: 40px; width: auto; max-width: 150px; object-fit: contain; flex: none; margin-left: 0.3rem; }
.brand__mark .ring-spin { transform-origin: 50% 50%; animation: spin 26s linear infinite; }
.brand__text { display: flex; flex-direction: column; align-items: center; line-height: 1; gap: 0.3rem; }
.brand__text b {
  font-family: var(--ff-display); font-weight: 600; font-size: 1.05rem;
  letter-spacing: 0.06em; text-transform: uppercase;
}
.brand__text span {
  font-family: var(--ff-display); font-weight: 500; font-size: 0.7rem;
  letter-spacing: 0.42em; color: var(--red); text-transform: uppercase;
}

.nav-links { display: flex; align-items: center; gap: 2rem; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  font-family: var(--ff-display); text-transform: uppercase;
  letter-spacing: 0.14em; font-size: 0.9rem; font-weight: 500;
  color: var(--bone-dim); position: relative; padding: 0.4rem 0;
  transition: color 0.25s var(--ease);
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 2px; width: 0;
  background: var(--red); transition: width 0.3s var(--ease);
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--bone); }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { width: 100%; }

.nav-right { display: flex; align-items: center; gap: 1rem; }

.lang-toggle {
  display: inline-flex; border: 1px solid var(--line); border-radius: 999px;
  overflow: hidden; background: rgba(0,0,0,0.2);
}
.lang-toggle button {
  border: 0; background: transparent; color: var(--stone);
  font-family: var(--ff-display); font-weight: 500; letter-spacing: 0.1em;
  font-size: 0.78rem; padding: 0.4rem 0.75rem; transition: all 0.25s var(--ease);
}
.lang-toggle button[aria-pressed="true"] { background: var(--red); color: #fff; }

.nav-toggle {
  display: none; background: transparent; border: 0; padding: 0.4rem;
  color: var(--bone); flex-direction: column; gap: 5px;
}
.nav-toggle span { width: 24px; height: 2px; background: currentColor; transition: 0.3s var(--ease); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--ff-display); text-transform: uppercase; letter-spacing: 0.12em;
  font-weight: 500; font-size: 0.92rem;
  padding: 0.85rem 1.6rem; border: 1px solid transparent; border-radius: 2px;
  transition: transform 0.2s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--red); color: #fff; }
.btn--primary:hover { background: var(--red-deep); }
.btn--ghost { border-color: var(--line); color: var(--bone); }
.btn--ghost:hover { border-color: var(--brass); color: var(--brass); }
.btn svg { width: 16px; height: 16px; }

/* ---------- hero ---------- */
.hero {
  min-height: 100svh; display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding-top: var(--nav-h);
}
.hero__bg-ring {
  position: absolute; right: -14vw; top: 50%; transform: translateY(-50%);
  width: min(92vh, 780px); aspect-ratio: 1; pointer-events: none;
  opacity: 0.9;
}
.hero__bg-ring .ring-spin { transform-origin: 50% 50%; animation: spin 60s linear infinite; }
.hero__bg-ring .ring-spin--rev { animation: spin 44s linear infinite reverse; }
.hero__kanji {
  position: absolute; right: 4vw; bottom: 6vh;
  font-family: var(--ff-display); font-size: clamp(6rem, 22vw, 20rem);
  color: var(--line-soft); line-height: 0.8; pointer-events: none; user-select: none;
  writing-mode: vertical-rl; letter-spacing: -0.05em;
}
.hero__inner { position: relative; z-index: 2; max-width: 46rem; }
.hero__title {
  font-size: clamp(3rem, 11vw, 8.5rem);
  line-height: 1.15;
  margin: 1.5rem 0;
}
.hero__title .line { display: block; overflow: hidden; }
.hero__title .word { display: inline-block; }
.hero__sub { max-width: 46ch; margin-bottom: 2.4rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; }

.hero__scroll {
  position: absolute; left: var(--gutter); bottom: 2rem; z-index: 2;
  font-family: var(--ff-display); text-transform: uppercase; letter-spacing: 0.3em;
  font-size: 0.72rem; color: var(--stone); display: flex; align-items: center; gap: 0.8rem;
}
.hero__scroll::after {
  content: ""; width: 44px; height: 1px; background: var(--stone);
  animation: scroll-line 2.2s var(--ease) infinite;
}

/* ---------- stat strip ---------- */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.stat { padding: clamp(1.6rem, 4vw, 2.6rem) 1rem; text-align: center; border-left: 1px solid var(--line-soft); }
.stat:first-child { border-left: 0; }
.stat b { font-family: var(--ff-display); font-size: clamp(2.2rem, 5vw, 3.4rem); display: block; color: var(--bone); }
.stat span { font-size: 0.8rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--stone); }

/* ---------- feature cards (sabaki principles) ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.card {
  border: 1px solid var(--line); background: var(--ink);
  padding: 2rem 1.8rem 2.2rem; position: relative; overflow: hidden;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.card:hover { border-color: var(--brass); transform: translateY(-4px); }
.card__num {
  font-family: var(--ff-display); font-size: 0.8rem; letter-spacing: 0.2em;
  color: var(--red);
}
.card h3 { font-size: 1.5rem; margin: 0.8rem 0 0.6rem; }
.card p { color: var(--bone-dim); font-size: 0.98rem; margin: 0; }
.card__glyph {
  position: absolute; right: -20px; bottom: -20px; width: 120px; height: 120px;
  opacity: 0.06; color: var(--bone);
}

/* ---------- split content ---------- */
.split { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.split__media { position: relative; aspect-ratio: 4 / 5; border: 1px solid var(--line); overflow: hidden; }
.split__media img { width: 100%; height: 100%; object-fit: cover; }
.split__media--natural { aspect-ratio: auto; background: var(--panel); }
.split__media--natural img { height: auto; object-fit: contain; }
.split__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(18,16,14,0.7));
}
.prose p { color: var(--bone-dim); margin: 0 0 1.1rem; }
.prose p:last-child { margin-bottom: 0; }

/* ---------- timeline (about) ---------- */
.timeline { border-left: 1px solid var(--line); margin-left: 0.5rem; }
.tl-item { position: relative; padding: 0 0 2.5rem 2rem; }
.tl-item::before {
  content: ""; position: absolute; left: -5px; top: 6px; width: 9px; height: 9px;
  border-radius: 999px; background: var(--red); box-shadow: 0 0 0 4px rgba(209,26,42,0.15);
}
.tl-item:last-child { padding-bottom: 0; }
.tl-year { font-family: var(--ff-display); color: var(--brass); letter-spacing: 0.14em; font-size: 1.1rem; }
.tl-item h3 { font-size: 1.3rem; margin: 0.2rem 0 0.4rem; }
.tl-item p { color: var(--bone-dim); margin: 0; }

/* ---------- gallery ---------- */
.gallery-filters { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 2rem; }
.filter-btn {
  background: transparent; border: 1px solid var(--line); color: var(--bone-dim);
  font-family: var(--ff-display); text-transform: uppercase; letter-spacing: 0.12em;
  font-size: 0.82rem; padding: 0.5rem 1.1rem; border-radius: 999px;
  transition: all 0.25s var(--ease);
}
.filter-btn:hover { color: var(--bone); border-color: var(--stone); }
.filter-btn[aria-pressed="true"] { background: var(--bone); color: var(--sumi); border-color: var(--bone); }

.gallery-grid {
  columns: 3; column-gap: 1rem;
}
.gallery-item {
  break-inside: avoid; margin-bottom: 1rem; position: relative; overflow: hidden;
  border: 1px solid var(--line); background: var(--ink); cursor: zoom-in;
  opacity: 0; transform: translateY(16px);
}
.gallery-item.is-in { opacity: 1; transform: none; transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.gallery-item img { width: 100%; height: auto; transition: transform 0.5s var(--ease), filter 0.5s var(--ease); }
.gallery-item:hover img { transform: scale(1.05); }
.gallery-item__cap {
  position: absolute; inset: auto 0 0 0; padding: 1.2rem 1rem 0.9rem;
  background: linear-gradient(transparent, rgba(18,16,14,0.9));
  font-family: var(--ff-display); text-transform: uppercase; letter-spacing: 0.1em;
  font-size: 0.85rem; opacity: 0; transform: translateY(8px);
  transition: 0.3s var(--ease);
}
.gallery-item:hover .gallery-item__cap { opacity: 1; transform: none; }

.gallery-empty {
  border: 1px dashed var(--line); padding: 3rem 2rem; text-align: center; color: var(--stone);
}
.gallery-empty code { color: var(--brass); background: var(--ink); padding: 0.15em 0.5em; border-radius: 3px; }

/* ---------- videos ---------- */
.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.video-embed {
  position: relative; aspect-ratio: 16 / 9; background: #000;
  border: 1px solid var(--line); overflow: hidden;
  transition: border-color 0.3s var(--ease);
}
.video-embed:hover { border-color: var(--brass); }
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-caption {
  margin-top: 0.6rem; font-family: var(--ff-display); text-transform: uppercase;
  letter-spacing: 0.08em; font-size: 0.92rem; color: var(--bone-dim);
}
.videos-more { margin-top: 2.5rem; }

/* ---------- lightbox ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 100; display: none;
  align-items: center; justify-content: center;
  background: rgba(9, 8, 7, 0.94); backdrop-filter: blur(6px);
}
.lightbox.is-open { display: flex; }
.lightbox img { max-width: 90vw; max-height: 82vh; object-fit: contain; border: 1px solid var(--line); }
.lightbox__cap { position: absolute; bottom: 1.6rem; left: 0; right: 0; text-align: center; color: var(--bone-dim); font-size: 0.9rem; }
.lb-btn {
  position: absolute; background: transparent; border: 1px solid var(--line); color: var(--bone);
  width: 52px; height: 52px; border-radius: 999px; display: grid; place-items: center;
  transition: all 0.25s var(--ease);
}
.lb-btn:hover { border-color: var(--red); color: var(--red); }
.lb-btn svg { width: 20px; height: 20px; }
.lb-close { top: 1.4rem; right: 1.4rem; }
.lb-prev { left: 1.4rem; top: 50%; transform: translateY(-50%); }
.lb-next { right: 1.4rem; top: 50%; transform: translateY(-50%); }

/* ---------- dojos / contact ---------- */
.dojo-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.dojo {
  border: 1px solid var(--line); background: var(--ink); padding: 1.8rem;
  display: flex; flex-direction: column; gap: 0.4rem;
  transition: border-color 0.3s var(--ease);
}
.dojo:hover { border-color: var(--brass); }
.dojo__city { font-family: var(--ff-display); text-transform: uppercase; letter-spacing: 0.14em; color: var(--brass); font-size: 0.82rem; }
.dojo h3 { font-size: 1.4rem; }
.dojo p { color: var(--bone-dim); margin: 0; font-size: 0.96rem; }
.dojo a.dojo__link { color: var(--red); font-weight: 500; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); }
.field { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1.1rem; }
.field label { font-family: var(--ff-display); text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.8rem; color: var(--bone-dim); }
.field input, .field textarea {
  background: var(--ink); border: 1px solid var(--line); color: var(--bone);
  padding: 0.85rem 1rem; font-family: inherit; font-size: 1rem; border-radius: 2px;
  transition: border-color 0.25s var(--ease);
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--red); }
.field textarea { resize: vertical; min-height: 130px; }
.contact-info li { display: flex; gap: 0.9rem; padding: 0.9rem 0; border-bottom: 1px solid var(--line-soft); list-style: none; }
.contact-info ul { margin: 0; padding: 0; }
.contact-info svg { width: 20px; height: 20px; color: var(--red); flex: none; margin-top: 3px; }
.contact-info b { font-family: var(--ff-display); letter-spacing: 0.06em; display: block; }
.contact-info span { color: var(--bone-dim); font-size: 0.95rem; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: clamp(3rem, 6vw, 5rem) 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2.5rem; margin-bottom: 3rem; }
.footer-grid h4 { font-family: var(--ff-display); text-transform: uppercase; letter-spacing: 0.16em; font-size: 0.85rem; color: var(--brass); margin: 0 0 1.2rem; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.6rem; }
.footer-grid a { color: var(--bone-dim); transition: color 0.25s var(--ease); }
.footer-grid a:hover { color: var(--bone); }
.footer-brand p { color: var(--stone); max-width: 34ch; font-size: 0.95rem; }
.footer-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  padding-top: 1.6rem; border-top: 1px solid var(--line-soft);
  color: var(--stone); font-size: 0.82rem; letter-spacing: 0.04em;
}
.social { display: flex; gap: 0.8rem; }
.social a { width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 999px; display: grid; place-items: center; color: var(--bone-dim); transition: all 0.25s var(--ease); }
.social a:hover { border-color: var(--red); color: var(--red); }
.social svg { width: 18px; height: 18px; }

/* ---------- page hero (interior pages) ---------- */
.page-hero { padding: calc(var(--nav-h) + clamp(3rem, 8vw, 6rem)) 0 clamp(2.5rem, 5vw, 4rem); position: relative; }
.page-hero h1 { font-size: clamp(2.6rem, 8vw, 6rem); margin: 1rem 0 1rem; }
.page-hero p { max-width: 56ch; color: var(--bone-dim); }
.page-hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--line);
}

/* ---------- reveal-on-scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); }
.reveal.is-in { opacity: 1; transform: none; transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }

/* ---------- animations ---------- */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes scroll-line { 0%, 100% { transform: scaleX(0.3); opacity: 0.4; } 50% { transform: scaleX(1); opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  .ring-spin, .ring-spin--rev { animation: none !important; }
  .hero__scroll::after { animation: none; }
  .reveal, .gallery-item { opacity: 1 !important; transform: none !important; }
}

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .split { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .gallery-grid { columns: 2; }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .nav-links, .hero__scroll { display: none; }
  .nav-links.is-open {
    display: flex; position: fixed; inset: var(--nav-h) 0 auto 0; flex-direction: column;
    background: rgba(18,16,14,0.97); padding: 1.5rem var(--gutter); gap: 1.2rem;
    border-bottom: 1px solid var(--line);
  }
  .nav-toggle { display: flex; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .cards { grid-template-columns: 1fr; }
  .dojo-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero__kanji { display: none; }
  .video-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .gallery-grid { columns: 1; }
}
