/* ============================================================
   TEAM MK — STYLE.CSS (v3 UI/UX Optimized)
   High-performance, Bio-tech coaching theme
   Black / Charcoal / White + Volt Lime accent
   ============================================================ */

:root{
  /* ---- color tokens ---- */
  --black:       #060606;
  --charcoal:    #101010;
  --graphite:    #181818;
  --line:        rgba(245, 244, 241, 0.12);
  --line-soft:   rgba(245, 244, 241, 0.05);
  --white:       #f4f3f0;
  --silver:      #aeada9;
  --steel:       #6b6a67;
  
  /* The UI Pivot: From Alert Red to Vitality Volt Lime */
  --accent:      #00F58A; 
  --accent-deep: #008B4E;
  --accent-glow: rgba(0, 245, 138, 0.2);

  /* ---- type ---- */
  --font-display: 'Big Shoulders Display', sans-serif;
  --font-body:    'Inter', sans-serif;

  /* ---- layout ---- */
  --container: 1240px;
  --pad: clamp(24px, 5vw, 64px);

  /* ---- motion ---- */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============ RESET ============ */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body, h1, h2, h3, p, figure, blockquote{ margin: 0; }
img, video{ display: block; max-width: 100%; }
a{ color: inherit; text-decoration: none; }
ul{ list-style: none; padding: 0; margin: 0; }
button{ font: inherit; background: none; border: none; cursor: pointer; }

body{
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,0.02) 0px, rgba(255,255,255,0.02) 1px, transparent 1px, transparent 64px);
}

::selection{ background: var(--accent); color: var(--black); }
:focus-visible{ outline: 2px solid var(--accent); outline-offset: 3px; }

.container{
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--silver);
  margin-bottom: 16px;
}
.eyebrow--center{ display: flex; justify-content: center; width: 100%; text-align: center; }

.dot{
  display: inline-block;
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 8px var(--accent-glow);
}

/* ---- buttons ---- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 32px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: all .3s var(--ease);
}
.btn--solid{
  background: var(--accent);
  color: var(--black);
  font-weight: 800;
  box-shadow: 0 4px 20px -4px var(--accent-glow);
}
.btn--solid:hover{ 
  background: #14ff99; 
  transform: translateY(-3px); 
  box-shadow: 0 8px 25px 0px rgba(0, 245, 138, 0.4);
}
.btn--solid:active { transform: translateY(-1px); }

.btn--ghost{
  border-color: rgba(245,244,241,0.35);
  color: var(--white);
}
.btn--ghost:hover{ 
  border-color: var(--accent); 
  color: var(--accent);
  background: rgba(0, 245, 138, 0.04); 
}
.btn--lg{ padding: 18px 46px; font-size: 0.85rem; }

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 24px 0;
  transition: padding .3s var(--ease), background-color .3s var(--ease), border-color .3s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled{
  padding: 14px 0;
  background: rgba(6,6,6,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: var(--line);
}
.nav__inner{
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo{
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.nav__mark{
  display: inline-block;
  width: 9px; height: 9px;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}

.nav__links{
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav__links a{
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--silver);
  transition: color .2s ease;
  position: relative;
}
.nav__links a:not(.nav__cta)::after{
  content: '';
  position: absolute;
  left: 0; bottom: -5px;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width .25s var(--ease);
}
.nav__links a:not(.nav__cta):hover{ color: var(--white); }
.nav__links a:not(.nav__cta):hover::after{ width: 100%; }

.nav__cta{
  padding: 10px 22px;
  background: var(--accent);
  color: var(--black) !important;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: all .25s var(--ease);
}
.nav__cta:hover{ 
  background: #14ff99; 
  transform: translateY(-2px); 
  box-shadow: 0 4px 15px var(--accent-glow);
}

.nav__toggle{
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 22px;
  z-index: 110;
}
.nav__toggle span{
  display: block;
  height: 2px;
  width: 100%;
  background: var(--white);
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.nav__toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position: relative;
  height: 100svh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--black);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), 0 100%);
}

.hero__video{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.38;
}

.hero__overlay{
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(6,6,6,.7) 0%, rgba(6,6,6,.4) 40%, rgba(6,6,6,.95) 100%),
    radial-gradient(60% 50% at 75% 30%, rgba(0, 245, 138, 0.12) 0%, transparent 70%);
}

.hero__watermark{
  position: absolute;
  top: -3vw;
  right: -2vw;
  z-index: 1;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 38vw;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(245,244,241,0.04);
  user-select: none;
  pointer-events: none;
}

.hero__content{
  position: relative;
  z-index: 2;
  text-align: center;
  padding-inline: var(--pad);
  max-width: 820px;
}

.hero__eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--silver);
}

.hero__title{
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(3.4rem, 14vw, 10.5rem);
  line-height: 0.86;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--white);
  margin-top: 22px;
}
.hero__title span{ color: var(--accent); }

.hero__subtext{
  font-size: clamp(0.95rem, 1.6vw, 1.12rem);
  font-weight: 400;
  color: var(--silver);
  max-width: 540px;
  margin: 26px auto 0;
}

.hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-top: 38px;
}

/* ---- animations ---- */
.reveal{
  opacity: 0;
  transform: translateY(16px);
  animation: revealUp .8s var(--ease) forwards;
  animation-delay: var(--d, 0s);
}
@keyframes revealUp{ to{ opacity: 1; transform: translateY(0); } }

/* JS-Driven Scroll Reveals */
.scroll-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: var(--d, 0s);
}
.scroll-reveal.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   TICKER (With Edge Vignette Masking)
   ============================================================ */
.ticker{
  background: var(--accent);
  overflow: hidden;
  padding: 16px 0;
}
.ticker__mask {
  /* Fades out the text smoothly at the left/right screen boundaries */
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
}
.ticker__track{ display: flex; width: max-content; animation: tickerScroll 25s linear infinite; }
.ticker__list{
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.ticker__list li{
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.1rem, 2.4vw, 1.6rem);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--black);
  white-space: nowrap;
  padding-inline: 28px;
}
.ticker__list li:not(:last-child){ border-right: 2px solid rgba(6,6,6,0.25); }
@keyframes tickerScroll{ to{ transform: translateX(-50%); } }

/* ============================================================
   ABOUT
   ============================================================ */
.about{
  padding: 140px 0;
  background: var(--black);
}
.about__grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: center;
}
.about__media{
  aspect-ratio: 4 / 5;
  background: linear-gradient(160deg, #181818 0%, #0a0a0a 100%);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: 0 20px 50px -20px rgba(0,0,0,0.8);
}
.about__media span{ font-size: 0.75rem; letter-spacing: 0.08em; color: var(--steel); }

.about__copy h2{
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(2.2rem, 3.8vw, 3.2rem);
  line-height: 0.95;
  margin-bottom: 24px;
}
.about__copy p{
  color: var(--silver);
  font-size: 1rem;
  max-width: 480px;
  margin-bottom: 16px;
}

.stat-row{
  display: flex;
  gap: 36px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
.stat span{
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 2.2rem;
  color: var(--accent);
  line-height: 1;
}
.stat p{
  margin-top: 8px;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel);
}

/* ============================================================
   PROGRAMS
   ============================================================ */
.programs{
  padding: 140px 0;
  background: var(--charcoal);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  text-align: center;
}
.programs__heading{
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  margin-bottom: 70px;
}
.programs__grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.program{
  background: var(--charcoal);
  padding: 56px 40px;
  text-align: left;
  transition: all .4s var(--ease);
  position: relative;
  z-index: 1;
}
.program:hover{ 
  background: var(--graphite);
  transform: translateY(-6px) scale(1.01);
  z-index: 2;
  box-shadow: 0 25px 50px -15px rgba(0,0,0,0.7), 0 0 30px -10px var(--accent-glow);
  border-bottom: 2px solid var(--accent);
}
.program__mark{
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.1rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  margin-bottom: 22px;
}
.program h3{
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 1.5rem;
  margin-bottom: 14px;
  transition: color .3s ease;
}
.program:hover h3 { color: var(--accent); }

.program p{
  color: var(--silver);
  font-size: 0.95rem;
  max-width: 300px;
}

/* ============================================================
   RESULTS
   ============================================================ */
.results{
  padding: 140px 0;
  background: var(--black);
  text-align: center;
}
.results__heading{
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(2rem, 3.6vw, 2.8rem);
  margin-bottom: 64px;
}
.results__grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: left;
}
.result{
  padding: 36px 32px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  background: var(--charcoal);
  position: relative;
  transition: transform .3s var(--ease);
}
.result:hover { transform: translateY(-3px); }
.result p{
  font-size: 0.98rem;
  color: var(--white);
  line-height: 1.6;
  margin-bottom: 22px;
}
.result cite{
  display: block;
  font-style: normal;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact{
  padding: 160px 0;
  text-align: center;
  background: var(--black);
  position: relative;
}
.contact__inner{ max-width: 640px; }
.contact h2{
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  font-size: clamp(2.6rem, 5vw, 4.5rem);
  line-height: 0.92;
  margin-bottom: 22px;
}
.contact__text{
  color: var(--silver);
  font-size: 1.05rem;
  margin-bottom: 38px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{
  border-top: 1px solid var(--line);
  padding-top: 64px;
  background: var(--black);
}
.footer__inner{
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 48px;
}
.footer__logo{
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  text-transform: uppercase;
}
.footer__brand p{
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--steel);
  letter-spacing: 0.04em;
}
.footer__links{ display: flex; gap: 26px; }
.footer__links a, .footer__social a{
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--silver);
  transition: color .2s ease;
}
.footer__links a:hover, .footer__social a:hover{ color: var(--accent); }
.footer__social{ display: flex; gap: 22px; }
.footer__copy{
  text-align: center;
  font-size: 0.74rem;
  color: var(--steel);
  letter-spacing: 0.04em;
  padding: 24px var(--pad) 36px;
  border-top: 1px solid var(--line-soft);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px){
  .nav__links{
    position: fixed;
    inset: 0;
    z-index: 105;
    flex-direction: column;
    justify-content: center;
    gap: 30px;
    background: rgba(6,6,6,0.96);
    backdrop-filter: blur(16px);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform .4s var(--ease), opacity .3s ease, visibility 0s linear .4s;
  }
  .nav__links.is-open{
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    transition: transform .4s var(--ease), opacity .3s ease;
  }
  .nav__links a{ font-size: 1.3rem; }
  .nav__toggle{ display: flex; }

  .about__grid{ grid-template-columns: 1fr; gap: 60px; }
  .about__media{ aspect-ratio: 16/10; }

  .programs__grid{ grid-template-columns: 1fr; }
  .program:hover { transform: none; }
  .results__grid{ grid-template-columns: 1fr; }
}

@media (max-width: 540px){
  .about, .programs, .results{ padding: 100px 0; }
  .contact{ padding: 120px 0; }
  .hero__watermark{ font-size: 60vw; top: -2vw; }
  .stat-row{ gap: 24px; }
}

/* ============================================================
   ACCESSIBILITY
   ============================================================ */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  .reveal, .scroll-reveal { opacity: 1 !important; transform: none !important; animation: none !important; transition: none !important; }
  .ticker__track{ animation: none; }
}