/* ===== Jack's Martial Arts Academy : raw / heavy ===== */
:root{
  --black:#0a0a0b;
  --ink:#101012;
  --charcoal:#151517;
  --charcoal-2:#1b1b1e;
  --red:#c81d1d;
  --red-bright:#e23131;
  --red-dark:#8f1414;
  --gold:#c81d1d;
  --gold-soft:#e23131;
  --bone:#efeae1;
  --grey:#e4e0d8;
  --line:rgba(255,255,255,.08);
  --max:1180px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--black);
  color:var(--bone);
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}
h1,h2,h3,h4{font-family:'Oswald',sans-serif;font-weight:700;line-height:1.02;letter-spacing:.5px}
a{text-decoration:none;color:inherit}

.hl{color:var(--red-bright)}
.hl-gold{color:var(--gold-soft)}

/* ===== GRAIN ===== */
.grain{
  position:fixed;inset:0;z-index:999;pointer-events:none;opacity:.055;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ===== NAV ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .3s,box-shadow .3s,padding .3s;padding:20px 0}
.nav.scrolled{background:rgba(10,10,11,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);padding:12px 0}
.nav__inner{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px;font-family:'Oswald',sans-serif;font-size:1.1rem;font-weight:600;text-transform:uppercase;letter-spacing:1.5px}
.brand__mark{
  font-family:'Noto Serif JP',serif;font-weight:900;
  display:grid;place-items:center;width:40px;height:40px;
  background:var(--red);color:#fff;font-size:1.35rem;
  clip-path:polygon(0 0,100% 0,100% 82%,82% 100%,0 100%);
}
.brand__text strong{color:var(--red-bright)}
.nav.scrolled .brand__text strong{color:var(--gold)}
.nav__links{display:flex;align-items:center;gap:34px}
.nav__links a{font-family:'Oswald',sans-serif;font-size:.92rem;font-weight:500;color:var(--grey);transition:color .2s;text-transform:uppercase;letter-spacing:1.5px}
.nav__links a:hover{color:var(--bone)}
.nav__cta{background:var(--red);color:#fff!important;padding:10px 22px;clip-path:polygon(0 0,100% 0,100% 74%,90% 100%,0 100%);transition:background .2s}
.nav__cta:hover{background:var(--red-bright);color:#fff!important}
.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav__toggle span{width:26px;height:2px;background:var(--bone);transition:.3s}

/* ===== HERO ===== */
.hero{
  position:relative;min-height:100vh;display:flex;flex-direction:column;justify-content:center;
  overflow:hidden;padding:120px 0 0;
  background:
    radial-gradient(1000px 700px at 80% 8%,rgba(200,29,29,.20),transparent 60%),
    linear-gradient(160deg,#0a0a0b 0%,#141416 100%);
}
.hero__glow{
  position:absolute;right:2%;top:8%;width:560px;height:560px;z-index:0;pointer-events:none;
  background:radial-gradient(circle,rgba(200,29,29,.30),transparent 62%);filter:blur(6px);
}
.hero__grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;flex:1}

.hero__content{position:relative;z-index:2}
.tagline{
  display:inline-block;font-family:'Oswald',sans-serif;font-size:.8rem;font-weight:600;
  letter-spacing:3px;text-transform:uppercase;color:var(--gold-soft);
  padding-left:44px;position:relative;margin-bottom:24px;
}
.tagline::before{content:"";position:absolute;left:0;top:50%;width:32px;height:2px;background:var(--red-bright)}
.hero__title{
  font-family:'Anton',sans-serif;font-weight:400;
  font-size:clamp(3.2rem,9vw,7rem);line-height:.9;letter-spacing:1px;
  text-transform:uppercase;margin-bottom:22px;
}
.hero__title .hl{color:var(--red-bright)}
.hero__sub{font-size:1.12rem;color:var(--grey);max-width:500px;margin-bottom:34px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap}

/* hero photo */
.hero__figure{position:relative;z-index:2}
.hero__kanji{
  position:absolute;right:-14%;top:50%;transform:translateY(-50%);z-index:0;user-select:none;
  font-family:'Noto Serif JP',serif;font-weight:900;font-size:46vh;line-height:1;color:rgba(255,255,255,.035);
}
.hero__photo{
  position:relative;z-index:1;width:100%;max-width:440px;margin:0 0 0 auto;overflow:hidden;
  clip-path:polygon(0 0,100% 0,100% 94%,88% 100%,0 100%);
  border:1px solid var(--line);box-shadow:0 34px 70px rgba(0,0,0,.55);
}
.hero__photo::before{content:"";position:absolute;left:0;top:0;width:6px;height:100%;background:var(--red);z-index:3}
.hero__photo::after{content:"";position:absolute;inset:0;z-index:2;background:linear-gradient(180deg,transparent 52%,rgba(10,10,11,.9))}
.hero__photo img{display:block;width:100%;aspect-ratio:4/5;object-fit:cover;object-position:52% 10%;filter:grayscale(.12) contrast(1.08) saturate(1.05)}
.hero__nameplate{position:absolute;left:0;bottom:20px;z-index:4;padding:0 24px}
.hero__nameplate strong{display:block;font-family:'Anton',sans-serif;font-size:1.55rem;color:#fff;letter-spacing:.5px}
.hero__nameplate span{font-family:'Oswald',sans-serif;font-size:.76rem;text-transform:uppercase;letter-spacing:2px;color:var(--gold-soft)}

/* hero stat bar */
.hero__statbar{position:relative;z-index:2;border-top:1px solid var(--line);margin-top:44px}
.hero__stats{display:grid;grid-template-columns:repeat(3,1fr)}
.stat{padding:22px 18px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat__num{display:block;font-family:'Anton',sans-serif;font-size:2rem;line-height:1;color:var(--bone)}
.stat:nth-child(even) .stat__num{color:var(--gold-soft)}
.stat__label{font-family:'Oswald',sans-serif;font-size:.72rem;color:var(--grey);text-transform:uppercase;letter-spacing:1.5px}

/* ===== BUTTONS ===== */
.btn{
  display:inline-block;font-family:'Oswald',sans-serif;font-weight:600;text-transform:uppercase;
  letter-spacing:2px;padding:16px 34px;font-size:.92rem;transition:transform .18s,background .2s,color .2s,border-color .2s;cursor:pointer;
  clip-path:polygon(0 0,100% 0,100% 76%,92% 100%,0 100%);
}
.btn--primary{background:var(--red);color:#fff}
.btn--primary:hover{background:var(--red-bright);transform:translateY(-2px)}
.btn--ghost{border:2px solid var(--line);color:var(--bone)}
.btn--ghost:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-2px)}
.btn--sm{padding:12px 26px;font-size:.82rem}
.btn--lg{padding:19px 42px;font-size:1.05rem}

/* ===== TRUST MARQUEE ===== */
.trust{background:var(--red);color:#fff;overflow:hidden;border-top:3px solid var(--red-dark);border-bottom:3px solid var(--red-dark)}
.trust__track{display:flex;align-items:center;gap:28px;white-space:nowrap;padding:16px 0;width:max-content;animation:scroll 34s linear infinite;font-family:'Oswald',sans-serif;font-weight:600;text-transform:uppercase;letter-spacing:1.5px;font-size:.95rem}
.trust__track i{color:rgba(255,255,255,.5);font-style:normal;font-size:.7rem}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ===== SECTIONS ===== */
.section{padding:110px 0;position:relative;overflow:hidden}
.section > .container{position:relative;z-index:2}
.section--dark{background:var(--ink);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section__head{max-width:680px;margin:0 auto 64px;text-align:center}
.eyebrow{display:inline-block;font-family:'Oswald',sans-serif;color:var(--red-bright);font-weight:600;text-transform:uppercase;letter-spacing:4px;font-size:.8rem;margin-bottom:16px}
.eyebrow--gold{color:var(--gold)}
.section__head h2{font-family:'Anton',sans-serif;font-weight:400;font-size:clamp(2.2rem,5.5vw,3.8rem);text-transform:uppercase;letter-spacing:.5px;margin-bottom:18px}
.section__head p{color:var(--grey);font-size:1.06rem}

/* ===== GRID ===== */
.grid{display:grid;gap:1px;background:var(--line)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}

/* ===== CARDS (why) ===== */
.card{background:var(--charcoal);padding:40px 30px;transition:background .3s,transform .3s}
.card:hover{background:var(--charcoal-2);transform:translateY(-4px)}
.card__ico{display:block;width:52px;height:52px;margin-bottom:22px;color:var(--red-bright)}
.card:hover .card__ico{color:var(--gold-soft)}
.card__ico svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:1.5rem;text-transform:uppercase;margin-bottom:12px;letter-spacing:1px}
.card p{color:var(--grey);font-size:.96rem}

/* ===== COURSES ===== */
.course{position:relative;background:var(--charcoal);padding:48px 34px 40px;overflow:hidden;transition:background .3s,transform .3s}
.course__no,.course__tag,.course h3,.course p{position:relative;z-index:2}
.course__no{position:absolute;top:20px;right:26px;font-family:'Anton',sans-serif;font-size:3rem;color:rgba(255,255,255,.045);z-index:1}
.course::after{content:"";position:absolute;left:0;top:0;width:5px;height:100%;background:var(--red)}
.course--featured::after{background:var(--gold)}
.course--featured{background:var(--charcoal-2)}
.course:hover{transform:translateY(-6px)}
.course__tag{display:inline-block;font-family:'Oswald',sans-serif;font-size:.72rem;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--red-bright);margin-bottom:20px}
.course__tag--gold{color:var(--gold-soft)}
.course h3{font-family:'Anton',sans-serif;font-weight:400;font-size:2rem;text-transform:uppercase;letter-spacing:.5px;margin-bottom:14px}
.course p{color:var(--grey)}

/* ===== TRAINING OPTIONS ===== */
.options{margin-top:80px}
.options__title{font-family:'Anton',sans-serif;font-weight:400;text-align:center;font-size:1.9rem;text-transform:uppercase;letter-spacing:1px;color:var(--gold-soft);margin-bottom:38px}
.option{background:var(--charcoal);padding:36px 28px;text-align:center;transition:background .3s,transform .3s}
.option:hover{background:var(--charcoal-2);transform:translateY(-4px)}
.option__ico{display:block;width:46px;height:46px;margin:0 auto 18px;color:var(--gold-soft)}
.option__ico svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.option h4{font-size:1.3rem;text-transform:uppercase;margin-bottom:8px;letter-spacing:1px}
.option p{color:var(--grey);font-size:.94rem}

/* ===== AGE CARDS ===== */
.agecard{position:relative;background:var(--charcoal);padding:48px 34px;overflow:hidden;transition:background .3s,transform .3s}
.agecard:hover{background:var(--charcoal-2);transform:translateY(-4px)}
.agecard__num{font-family:'Anton',sans-serif;font-size:4rem;color:rgba(200,29,29,.32);line-height:.9;margin-bottom:14px}
.agecard h3{font-family:'Anton',sans-serif;font-weight:400;font-size:1.9rem;text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px}
.agecard p{color:var(--grey)}

/* ===== INSTRUCTOR ===== */
.instructor{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:center}
.instructor__profile{text-align:center;background:var(--charcoal);border:1px solid var(--line);padding:46px 34px}
.instructor__photo{
  position:relative;width:100%;aspect-ratio:4/5;margin:0 auto 26px;overflow:hidden;
  clip-path:polygon(0 0,100% 0,100% 92%,90% 100%,0 100%);
  border:1px solid var(--line);background:var(--black);
}
.instructor__photo img{width:100%;height:100%;object-fit:cover;object-position:52% 12%;display:block;filter:saturate(1.05) contrast(1.02)}
.instructor__photo::after{content:"";position:absolute;left:0;top:0;width:6px;height:100%;background:var(--gold)}
.instructor__profile h3{font-family:'Anton',sans-serif;font-weight:400;font-size:2rem;text-transform:uppercase;letter-spacing:.5px}
.instructor__role{font-family:'Oswald',sans-serif;color:var(--gold);font-weight:600;text-transform:uppercase;letter-spacing:2px;font-size:.82rem;margin-bottom:18px}
.instructor__bio{color:var(--grey);font-size:.98rem;margin-bottom:26px}
.instructor__achievements h2{font-family:'Anton',sans-serif;font-weight:400;font-size:clamp(1.9rem,4.5vw,3rem);text-transform:uppercase;letter-spacing:.5px;margin-bottom:28px}
.ach{list-style:none;display:grid;gap:0}
.ach li{position:relative;padding:16px 0 16px 34px;color:var(--grey);font-size:1.02rem;border-bottom:1px solid var(--line)}
.ach li:last-child{border-bottom:0}
.ach li strong{color:var(--bone)}
.ach li::before{content:"";position:absolute;left:0;top:24px;width:14px;height:14px;background:var(--gold);clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%)}

/* ===== CTA ===== */
.cta{position:relative;padding:120px 0;text-align:center;overflow:hidden;background:linear-gradient(160deg,#141416,#0a0a0b)}
.cta__kanji{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-family:'Noto Serif JP',serif;font-weight:900;font-size:44vh;line-height:1;color:rgba(200,29,29,.05);user-select:none;z-index:0}
.cta__inner{position:relative;z-index:2;max-width:700px;margin:0 auto}
.cta h2{font-family:'Anton',sans-serif;font-weight:400;font-size:clamp(2.6rem,6vw,4.4rem);text-transform:uppercase;letter-spacing:.5px;margin:14px 0 18px}
.cta p{color:var(--grey);font-size:1.12rem;margin-bottom:42px}
.cta__contact{display:flex;align-items:center;justify-content:center;gap:28px;flex-wrap:wrap}
.cta__person{text-align:left}
.cta__label{display:block;font-family:'Oswald',sans-serif;font-size:.76rem;text-transform:uppercase;letter-spacing:2px;color:var(--gold-soft)}
.cta__person strong{font-family:'Anton',sans-serif;font-weight:400;font-size:1.6rem;letter-spacing:.5px}

/* ===== FOOTER ===== */
.footer{background:var(--black);border-top:1px solid var(--line);padding:54px 0 44px}
.footer__inner{text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px}
.footer__tag{font-family:'Oswald',sans-serif;color:var(--gold);font-weight:600;letter-spacing:2px;text-transform:uppercase;font-size:.88rem}
.footer__social{
  display:inline-flex;align-items:center;gap:10px;margin:4px 0 2px;
  font-family:'Oswald',sans-serif;font-weight:500;text-transform:uppercase;letter-spacing:1.5px;font-size:.82rem;
  color:var(--bone);padding:11px 20px;border:1px solid var(--line);
  clip-path:polygon(0 0,100% 0,100% 74%,90% 100%,0 100%);transition:background .2s,border-color .2s,color .2s,transform .18s;
}
.footer__social svg{width:18px;height:18px;fill:currentColor}
.footer__social:hover{background:var(--red);border-color:var(--red);color:#fff;transform:translateY(-2px)}
.footer__copy{color:var(--grey);font-size:.84rem}

/* ===== FAB ===== */
.fab{
  position:fixed;bottom:26px;right:26px;z-index:90;width:56px;height:56px;
  display:grid;place-items:center;background:var(--red);
  clip-path:polygon(0 0,100% 0,100% 82%,82% 100%,0 100%);
  box-shadow:0 12px 30px rgba(0,0,0,.5);transition:transform .18s,background .2s;
}
.fab:hover{background:var(--red-bright);transform:translateY(-2px)}
.fab svg{width:26px;height:26px;fill:#fff}

/* ===== COURSE KANJI WATERMARK ===== */
.course__kanji{
  position:absolute;right:-10px;bottom:-40px;z-index:0;pointer-events:none;user-select:none;
  font-family:'Noto Serif JP',serif;font-weight:900;font-size:7.5rem;line-height:1;
  color:rgba(255,255,255,.045);letter-spacing:-4px;
}
.course--featured .course__kanji{color:rgba(226,49,49,.12)}

/* ===== REVEAL ===== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .trust__track{animation:none}
}

/* ===== RESPONSIVE ===== */
@media(max-width:900px){
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .instructor{grid-template-columns:1fr;gap:38px}
  .hero{padding-top:110px}
  .hero__grid{grid-template-columns:1fr;gap:36px;text-align:center}
  .hero__figure{order:-1}
  .hero__kanji{display:none}
  .hero__photo{margin:0 auto;max-width:340px}
  .tagline{padding-left:0}
  .tagline::before{display:none}
  .hero__sub{margin-left:auto;margin-right:auto}
  .hero__actions{justify-content:center}
  .hero__stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(3),.stat:nth-child(4){border-top:1px solid var(--line)}
}
@media(max-width:640px){
  .nav__links{position:fixed;top:0;right:-100%;height:100vh;width:76%;max-width:300px;background:var(--charcoal);flex-direction:column;justify-content:center;gap:28px;transition:right .35s;border-left:3px solid var(--red)}
  .nav__links.open{right:0}
  .nav__toggle{display:flex}
  .nav__toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav__toggle.open span:nth-child(2){opacity:0}
  .nav__toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .grid--3,.grid--4{grid-template-columns:1fr}
  .hero__photo{max-width:300px}
  .section{padding:74px 0}
  .cta__contact{flex-direction:column;gap:20px}
  .cta__person{text-align:center}
  .course__kanji{font-size:5.5rem;bottom:-28px}
}