/* ============================================================
   DIAMOND JIU-JITSU — Brutalist Bold Combat
   Black + bold red + concrete. Heavy condensed type. Mat grit.
   ============================================================ */

:root{
  --ink:#0a0a0a;
  --ink-2:#141414;
  --concrete:#1c1c1c;
  --concrete-line:#2a2a2a;
  --paper:#f4f1ec;        /* light concrete */
  --paper-2:#e7e3da;
  --red:#d61f26;          /* bold combat red */
  --red-dark:#a4151b;
  --steel:#8a8f96;
  --white:#ffffff;
  --muted:#a9a39a;
  --muted-dark:#6f6a62;

  --maxw:1180px;
  --pad:20px;
  --r:0px;                /* brutalist: hard corners */
  --shadow:0 0 0 2px var(--ink);

  --f-display:"Arial Narrow", "Helvetica Neue Condensed", "Roboto Condensed", Impact, system-ui, sans-serif;
  --f-body:"Helvetica Neue", Arial, system-ui, sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;}}

body{
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--f-body);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block;}
a{color:inherit;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);}

/* ---- Accessibility ---- */
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--red);color:#fff;padding:12px 18px;font-weight:800;
}
.skip-link:focus{left:8px;top:8px;}
:focus-visible{outline:3px solid var(--red);outline-offset:3px;}

/* ============ TYPOGRAPHY ============ */
.section-title{
  font-family:var(--f-display);
  font-weight:800;
  font-stretch:condensed;
  letter-spacing:.01em;
  line-height:.92;
  text-transform:uppercase;
  font-size:clamp(2.1rem,8vw,4.2rem);
  margin:0 0 .4em;
}
.kicker{
  display:inline-block;
  font-family:var(--f-display);
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.22em;
  font-size:.78rem;
  color:var(--red);
  margin:0 0 .5rem;
  padding-left:26px;
  position:relative;
}
.kicker::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) rotate(45deg);
  width:10px;height:10px;background:var(--red);
}
.section-sub{color:var(--muted);max-width:54ch;margin:.2rem 0 0;}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:14px 26px;
  font-family:var(--f-display);font-weight:800;font-size:1.05rem;
  text-transform:uppercase;letter-spacing:.05em;text-decoration:none;
  border:2px solid transparent;cursor:pointer;border-radius:var(--r);
  transition:transform .12s ease, background .2s ease, color .2s ease;
}
.btn-cta{background:var(--red);color:#fff;border-color:var(--red);}
.btn-cta:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--paper);border-color:var(--paper);}
.btn-ghost:hover{background:var(--paper);color:var(--ink);transform:translateY(-2px);}
.btn-block{width:100%;}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(10,10,10,.92);
  backdrop-filter:blur(6px);
  border-bottom:2px solid var(--concrete-line);
  transition:border-color .2s ease;
}
.site-header.scrolled{border-bottom-color:var(--red);}
.header-inner{display:flex;align-items:center;gap:18px;min-height:64px;}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--paper);}
.logo-mark{color:var(--red);display:flex;}
.logo-text{
  font-family:var(--f-display);font-weight:800;font-size:1.25rem;
  text-transform:uppercase;letter-spacing:.04em;line-height:.85;
  display:flex;flex-direction:column;
}
.logo-sub{font-size:.62rem;letter-spacing:.32em;color:var(--steel);}
.main-nav{display:none;margin-left:auto;gap:26px;}
.main-nav a{
  font-family:var(--f-display);font-weight:700;text-transform:uppercase;
  letter-spacing:.08em;font-size:.95rem;text-decoration:none;color:var(--paper);
  padding:6px 0;position:relative;
}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--red);transition:width .2s ease;}
.main-nav a:hover::after{width:100%;}
.header-cta{display:none;}

@media(min-width:900px){
  .main-nav{display:flex;}
  .header-cta{display:inline-flex;}
}

/* ============ HERO ============ */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;overflow:hidden;background:var(--ink);}
.hero-media{position:absolute;inset:0;z-index:0;}
.hero-media img{width:100%;height:100%;object-fit:cover;filter:grayscale(.35) contrast(1.08) brightness(.55);}
.hero-scrim{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg, rgba(10,10,10,.92) 0%, rgba(10,10,10,.55) 55%, rgba(10,10,10,.35) 100%),
    repeating-linear-gradient(0deg, transparent, transparent 3px, rgba(0,0,0,.10) 3px, rgba(0,0,0,.10) 4px);
}
.hero-inner{position:relative;z-index:2;padding-top:60px;padding-bottom:120px;}
.hero-eyebrow{
  font-family:var(--f-display);font-weight:800;text-transform:uppercase;
  letter-spacing:.28em;font-size:.8rem;color:var(--steel);margin:0 0 18px;
}
.hero-title{
  font-family:var(--f-display);font-weight:800;font-stretch:condensed;
  text-transform:uppercase;line-height:.86;letter-spacing:.005em;
  font-size:clamp(2.8rem,13vw,7rem);
  margin:0 0 22px;
}
.hero-title .line{display:block;}
.hero-title .accent{color:var(--red);}
.hero-lede{max-width:46ch;color:var(--paper);font-size:1.12rem;margin:0 0 30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-ticker{
  list-style:none;display:flex;flex-wrap:wrap;gap:8px 0;margin:0;padding:0;
}
.hero-ticker li{
  font-family:var(--f-display);font-weight:700;text-transform:uppercase;
  letter-spacing:.08em;font-size:.78rem;color:var(--muted);
  padding:0 16px;border-left:2px solid var(--red);
}
.hero-ticker li:first-child{padding-left:0;border-left:none;}

/* ============ SECTIONS ============ */
.section{padding:84px 0;border-top:2px solid var(--concrete-line);}
.section-head{margin-bottom:46px;}

.programs{background:var(--paper);color:var(--ink);}
.programs .section-sub{color:var(--muted-dark);}
.about{background:var(--ink-2);}
.schedule{background:var(--paper-2);color:var(--ink);}
.schedule .section-sub{color:var(--muted-dark);}
.instructors{background:var(--ink);}
.reviews{background:var(--concrete);}
.location{background:var(--paper);color:var(--ink);}
.contact{background:var(--ink-2);}

/* ============ GRID / CARDS ============ */
.grid{display:grid;gap:2px;}
.card{background:var(--ink);border:2px solid var(--ink);position:relative;}

/* Programs */
.programs-grid{grid-template-columns:1fr;}
.program-card{
  background:#fff;color:var(--ink);border:2px solid var(--ink);
  padding:30px 26px;transition:transform .15s ease, background .2s ease, color .2s ease;
}
.program-card:hover{background:var(--ink);color:#fff;transform:translateY(-3px);}
.program-card:hover .program-tag{color:var(--red);}
.program-card h3{
  font-family:var(--f-display);font-weight:800;text-transform:uppercase;
  font-size:1.7rem;margin:14px 0 4px;letter-spacing:.01em;line-height:1;
}
.program-tag{
  font-family:var(--f-display);font-weight:700;text-transform:uppercase;
  letter-spacing:.12em;font-size:.72rem;color:var(--red-dark);margin:0 0 12px;
}
.program-card p:last-child{margin-bottom:0;color:inherit;}
.diamond-tag{display:block;width:20px;height:20px;background:var(--red);transform:rotate(45deg);}

@media(min-width:640px){.programs-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1000px){.programs-grid{grid-template-columns:repeat(4,1fr);}}

/* About */
.about-inner{max-width:840px;}
.about-copy p{color:var(--paper);}
.stat-row{list-style:none;display:flex;flex-wrap:wrap;gap:0;margin:30px 0;padding:0;border:2px solid var(--concrete-line);}
.stat-row li{flex:1 1 120px;padding:20px;border-right:2px solid var(--concrete-line);text-align:center;}
.stat-row li:last-child{border-right:none;}
.stat-num{display:block;font-family:var(--f-display);font-weight:800;font-size:2.4rem;color:var(--red);line-height:1;}
.stat-label{display:block;text-transform:uppercase;letter-spacing:.1em;font-size:.7rem;color:var(--muted);margin-top:6px;}
.creed{
  margin:0;padding:24px 26px;border-left:4px solid var(--red);background:var(--ink);
  font-family:var(--f-display);font-size:1.4rem;line-height:1.25;text-transform:uppercase;color:#fff;
}
.creed cite{display:block;margin-top:12px;font-size:.85rem;font-style:normal;color:var(--steel);letter-spacing:.1em;}

/* Schedule */
.schedule-grid{grid-template-columns:1fr;}
.sched-card{background:#fff;color:var(--ink);border:2px solid var(--ink);padding:26px;}
.sched-card h3{font-family:var(--f-display);font-weight:800;text-transform:uppercase;font-size:1.4rem;margin:0 0 4px;}
.sched-when{font-family:var(--f-display);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;color:var(--red-dark);margin:0 0 12px;}
.sched-card p:last-child{margin-bottom:0;}
.sched-note{margin-top:26px;color:var(--muted-dark);font-size:.95rem;}
.sched-note a{color:var(--red-dark);font-weight:700;}
@media(min-width:640px){.schedule-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1000px){.schedule-grid{grid-template-columns:repeat(4,1fr);}}

/* Instructors */
.instructors-grid{grid-template-columns:1fr;}
.instructor-card{background:var(--concrete);border:2px solid var(--concrete-line);color:var(--paper);overflow:hidden;}
.instructor-card .instructor-body{padding:24px 24px 26px;}
.instructor-card h3{font-family:var(--f-display);font-weight:800;text-transform:uppercase;font-size:1.5rem;margin:0 0 4px;color:#fff;}
.instructor-role{font-family:var(--f-display);font-weight:700;text-transform:uppercase;letter-spacing:.1em;font-size:.74rem;color:var(--red);margin:0 0 12px;}
.instructor-card p:last-child{margin-bottom:0;color:var(--muted);}
.instructor-photo{aspect-ratio:3/4;overflow:hidden;border-bottom:3px solid var(--red);}
.instructor-photo img{width:100%;height:100%;object-fit:cover;filter:grayscale(.2) contrast(1.05);}
.instructor-card.feature{grid-column:1 / -1;}
@media(min-width:640px){
  .instructors-grid{grid-template-columns:1fr 1fr;}
  .instructor-card.feature{grid-column:1 / -1;display:grid;grid-template-columns:280px 1fr;}
  .instructor-card.feature .instructor-photo{border-bottom:none;border-right:3px solid var(--red);aspect-ratio:auto;}
}
@media(min-width:1000px){.instructors-grid{grid-template-columns:repeat(3,1fr);}.instructor-card.feature{grid-column:1 / -1;grid-template-columns:320px 1fr;}}

/* Reviews */
.reviews-grid{grid-template-columns:1fr;}
.review-card{background:var(--ink);border:2px solid var(--concrete-line);padding:30px 26px 26px;position:relative;}
.quote-mark{position:absolute;top:6px;left:18px;font-family:var(--f-display);font-size:4rem;color:var(--red);line-height:1;opacity:.85;}
.review-card p{position:relative;z-index:1;color:var(--paper);font-size:1.05rem;}
.review-attr{font-family:var(--f-display);font-weight:700;text-transform:uppercase;letter-spacing:.1em;font-size:.7rem;color:var(--steel);margin:14px 0 0;}
.reviews-note{margin-top:24px;color:var(--muted);font-size:.85rem;}
@media(min-width:760px){.reviews-grid{grid-template-columns:repeat(3,1fr);}}

/* Location */
.location-inner{display:grid;gap:34px;}
.nap{font-style:normal;margin:0 0 26px;}
.nap-line{margin:0 0 6px;font-size:1.05rem;}
.nap-line a{color:var(--red-dark);font-weight:700;text-decoration:none;}
.nap-line a:hover{text-decoration:underline;}
.hours h3{font-family:var(--f-display);font-weight:800;text-transform:uppercase;font-size:1.3rem;margin:0 0 12px;}
.hours ul{list-style:none;margin:0 0 8px;padding:0;border-top:2px solid var(--ink);}
.hours li{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:2px solid rgba(10,10,10,.12);font-size:.95rem;}
.hours li span:first-child{font-family:var(--f-display);font-weight:700;text-transform:uppercase;letter-spacing:.06em;}
.hours-note{font-size:.85rem;color:var(--muted-dark);margin:6px 0 22px;}
.location-map{border:2px solid var(--ink);background:var(--ink);min-height:300px;}
.location-map iframe{width:100%;height:100%;min-height:300px;border:0;display:block;filter:grayscale(.4) contrast(1.05);}
@media(min-width:880px){.location-inner{grid-template-columns:1fr 1fr;align-items:start;}}

/* Contact */
.contact-inner{display:grid;gap:34px;}
.contact-copy p{color:var(--paper);}
.contact-phone{font-size:1.05rem;}
.contact-phone a{color:var(--red);font-weight:700;text-decoration:none;}
.trial-form{background:#fff;color:var(--ink);border:2px solid var(--ink);padding:28px;}
.field{margin-bottom:16px;}
.field label{display:block;font-family:var(--f-display);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;padding:13px 14px;font-size:1rem;font-family:var(--f-body);
  border:2px solid var(--ink);border-radius:0;background:#fafafa;color:var(--ink);
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--red);background:#fff;}
.field textarea{resize:vertical;}
.form-status{margin:14px 0 0;font-weight:700;color:var(--red-dark);}
@media(min-width:880px){.contact-inner{grid-template-columns:1fr 1fr;align-items:start;}}

/* ============ FOOTER ============ */
.site-footer{background:var(--ink);border-top:3px solid var(--red);padding:44px 0 90px;}
.footer-inner{display:flex;flex-direction:column;gap:18px;align-items:flex-start;}
.footer-logo .logo-text{color:var(--paper);}
.footer-nap{font-style:normal;color:var(--muted);line-height:1.7;}
.footer-nap a{color:var(--red);text-decoration:none;font-weight:700;}
.footer-copy{color:var(--muted-dark);font-size:.82rem;margin:0;}
@media(min-width:760px){
  .footer-inner{flex-direction:row;justify-content:space-between;align-items:center;}
  .site-footer{padding-bottom:44px;}
}

/* ============ STICKY MOBILE CTA ============ */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  display:flex;align-items:center;justify-content:center;
  min-height:54px;padding:14px;
  background:var(--red);color:#fff;text-decoration:none;
  font-family:var(--f-display);font-weight:800;font-size:1.1rem;
  text-transform:uppercase;letter-spacing:.06em;
  border-top:3px solid #fff;
}
.sticky-cta:hover{background:var(--red-dark);}
@media(min-width:900px){.sticky-cta{display:none;}}

/* ============ MOTION / REVEAL ============ */
[data-reveal]{opacity:0;transform:translateY(26px);}
[data-slam]{opacity:0;transform:translateX(-40px) skewX(-6deg);}
.is-in[data-reveal],
[data-reveal].is-in{opacity:1;transform:none;transition:opacity .6s ease, transform .6s cubic-bezier(.2,.7,.2,1);}
.is-in[data-slam],
[data-slam].is-in{opacity:1;transform:none;transition:opacity .35s ease, transform .45s cubic-bezier(.16,1.2,.3,1);}

@media (prefers-reduced-motion:reduce){
  [data-reveal],[data-slam]{opacity:1 !important;transform:none !important;transition:none !important;}
}