/* ============================================================
   mytai landing — premium combat sports aesthetic
   ============================================================ */

/* Fonts loaded via <link> in HTML — no @import needed */

/* --- Tokens --- */
:root {
  --bg:            #08080d;
  --bg-raised:     #0f0f16;
  --bg-card:       #13131c;
  --border:        rgba(255,255,255,0.06);
  --border-accent: rgba(245,158,11,0.18);
  --accent:        #f59e0b;
  --accent-hover:  #fbbf24;
  --accent-dim:    rgba(245,158,11,0.08);
  --accent-glow:   rgba(245,158,11,0.20);
  --text:          #ededed;
  --text-2:        #9a9aaf;
  --text-3:        #55556a;
  --font-head:     'Space Grotesk', sans-serif;
  --font-body:     'Inter', sans-serif;
  --max-w:         1120px;
  --ease:          cubic-bezier(.4,0,.2,1);
}

/* --- Reset --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{background:var(--bg);color:var(--text);font-family:var(--font-body);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}

/* --- Film grain overlay --- */
.grain{
  position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:0.035;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat:repeat;background-size:200px 200px;
}

/* --- Container --- */
.container{width:100%;max-width:var(--max-w);margin-inline:auto;padding-inline:24px}

/* --- Buttons --- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-head);font-weight:600;font-size:.9rem;
  padding:14px 28px;border-radius:6px;border:none;cursor:pointer;
  transition:all .25s var(--ease);white-space:nowrap;
}
.btn--primary{background:var(--accent);color:#08080d}
.btn--primary:hover{background:var(--accent-hover);box-shadow:0 0 40px var(--accent-glow);transform:translateY(-1px)}
.btn--primary:active{transform:translateY(0)}
.btn--sm{font-size:.8rem;padding:10px 20px}
.btn--lg{font-size:.95rem;padding:16px 32px}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:16px 24px;
  background:rgba(8,8,13,0.7);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
}
.nav__inner{
  display:flex;align-items:center;justify-content:space-between;
  max-width:var(--max-w);margin:auto;
}
.nav__logo{font-family:var(--font-head);font-size:1.4rem;font-weight:700;letter-spacing:-.03em}
.nav__logo span{color:var(--accent)}
.nav__links{display:none;gap:32px}
.nav__links a{font-size:.85rem;color:var(--text-2);transition:color .2s}
.nav__links a:hover{color:var(--text)}
.nav__cta{display:none}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;
  min-height:100svh;
  display:flex;align-items:center;
  padding:120px 0 80px;
  overflow:hidden;
}

/* Background elements */
.hero__bg{position:absolute;inset:0;overflow:hidden;pointer-events:none}

.hero__circle{position:absolute;border-radius:50%}
.hero__circle--1{
  width:600px;height:600px;top:-100px;right:-200px;
  background:radial-gradient(circle,var(--accent-glow) 0%,transparent 70%);
  opacity:.4;
}
.hero__circle--2{
  width:400px;height:400px;bottom:-50px;left:-150px;
  background:radial-gradient(circle,rgba(245,158,11,0.08) 0%,transparent 70%);
}

.hero__line{
  position:absolute;background:var(--accent);opacity:.06;
}
.hero__line--1{width:1px;height:60%;top:20%;left:15%;transform:rotate(15deg)}
.hero__line--2{width:1px;height:40%;top:30%;right:25%;transform:rotate(-20deg)}
.hero__line--3{width:80%;height:1px;top:85%;left:10%;transform:rotate(-3deg)}

/* Layout */
.hero__layout{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1fr;gap:48px;align-items:center;
}

/* Content */
.hero__content{max-width:560px}

.hero__tag{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-head);font-size:.75rem;font-weight:600;
  letter-spacing:.1em;text-transform:uppercase;
  color:var(--accent);margin-bottom:28px;
}
.hero__tag-dot{
  width:6px;height:6px;border-radius:50%;background:var(--accent);
  animation:pulse 2s ease infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}

.hero__h{
  font-family:var(--font-head);
  font-size:clamp(2.8rem,7vw,5rem);
  font-weight:700;line-height:1.0;
  letter-spacing:-.04em;
  margin-bottom:24px;
}

.hero__sub{
  font-size:clamp(1rem,2vw,1.15rem);
  color:var(--text-2);line-height:1.7;
  margin-bottom:40px;
}

.hero__cta{display:flex;align-items:center;gap:24px;flex-wrap:wrap}

.hero__follow{
  font-family:var(--font-head);font-size:.9rem;font-weight:500;
  color:var(--text-3);transition:color .2s;
}
.hero__follow:hover{color:var(--accent)}

/* Phone mockup */
.hero__visual{display:none}

.hero__phone{
  width:260px;margin:auto;
  background:var(--bg-card);
  border:1px solid var(--border-accent);
  border-radius:24px;
  padding:12px;
  box-shadow:0 40px 80px rgba(0,0,0,.5),0 0 60px var(--accent-dim);
  transform:rotate(2deg);
}

.phone__screen{
  background:var(--bg);border-radius:16px;
  overflow:hidden;padding:16px;
  display:flex;flex-direction:column;gap:12px;
}

.phone__status{
  display:flex;align-items:center;gap:6px;
}
.phone__dot{
  width:6px;height:6px;border-radius:50%;background:#ef4444;
  animation:pulse 1.5s ease infinite;
}
.phone__label{
  font-family:var(--font-head);font-size:.6rem;font-weight:600;
  letter-spacing:.15em;color:var(--accent);
}

.phone__skeleton{padding:8px 0}
.phone__skeleton svg{width:100%;height:auto}

.phone__feedback{
  display:flex;align-items:center;gap:12px;
  padding:10px;background:var(--bg-raised);border-radius:8px;
  border:1px solid var(--border);
}
.phone__score{display:flex;flex-direction:column}
.phone__score-num{font-family:var(--font-head);font-size:1.6rem;font-weight:700;color:var(--accent);line-height:1}
.phone__score-label{font-size:.55rem;color:var(--text-3);text-transform:uppercase;letter-spacing:.08em;margin-top:2px}
.phone__tip{font-size:.7rem;color:var(--text-2);line-height:1.4}

.hide-mobile{display:none}

/* ============================================================
   MARQUEE
   ============================================================ */
.marquee{
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  padding:16px 0;overflow:hidden;
  background:var(--bg-raised);
}
.marquee__track{
  display:flex;gap:0;
  animation:scroll 20s linear infinite;
  width:max-content;
}
.marquee__track span{
  font-family:var(--font-head);font-size:.8rem;font-weight:600;
  text-transform:uppercase;letter-spacing:.15em;color:var(--text-3);
  padding:0 20px;white-space:nowrap;
}
.marquee__sep{
  width:4px;height:4px;border-radius:50%;background:var(--accent);
  align-self:center;flex-shrink:0;opacity:.5;
}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ============================================================
   FEATURES
   ============================================================ */
.features{padding:96px 0}

.kicker{
  font-family:var(--font-head);font-size:.75rem;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent);margin-bottom:12px;
}
.section-h{
  font-family:var(--font-head);
  font-size:clamp(1.8rem,4vw,2.8rem);
  font-weight:700;letter-spacing:-.03em;line-height:1.1;
  margin-bottom:56px;
}

.feat-grid{display:grid;grid-template-columns:1fr;gap:2px}

.feat{
  position:relative;
  background:var(--bg-card);padding:40px 32px;
  border:1px solid var(--border);
  overflow:hidden;
  transition:border-color .3s var(--ease),background .3s var(--ease);
}
.feat:hover{border-color:var(--border-accent);background:var(--bg-raised)}

.feat__accent{
  position:absolute;bottom:0;left:0;width:0;height:2px;
  background:var(--accent);transition:width .4s var(--ease);
}
.feat:hover .feat__accent{width:100%}

.feat__num{
  font-family:var(--font-head);font-size:.7rem;font-weight:600;
  color:var(--accent);letter-spacing:.1em;margin-bottom:20px;
  opacity:.6;
}

.feat__title{
  font-family:var(--font-head);font-size:1.2rem;font-weight:700;
  letter-spacing:-.02em;margin-bottom:12px;
}

.feat__desc{font-size:.9rem;color:var(--text-2);line-height:1.7}

/* Secondary features row */
.feat-extras{
  display:grid;grid-template-columns:1fr;gap:2px;
  margin-top:2px;
}
.feat-extra{
  display:flex;align-items:flex-start;gap:16px;
  background:var(--bg-card);border:1px solid var(--border);
  padding:28px 32px;
  transition:border-color .3s var(--ease);
}
.feat-extra:hover{border-color:var(--border-accent)}
.feat-extra svg{flex-shrink:0;margin-top:2px}
.feat-extra__title{
  font-family:var(--font-head);font-size:1rem;font-weight:600;
  letter-spacing:-.01em;margin-bottom:4px;
}
.feat-extra__desc{font-size:.85rem;color:var(--text-2);line-height:1.6}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how{padding:96px 0;background:var(--bg-raised)}

.how__steps{
  display:flex;flex-direction:column;gap:40px;
  align-items:stretch;
}

.how__connector{display:none}

.how__step{text-align:center}

.how__icon{
  width:56px;height:56px;margin:0 auto 20px;
  background:var(--accent-dim);border:1px solid var(--border-accent);
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
}

.how__title{
  font-family:var(--font-head);font-size:1.1rem;font-weight:700;
  letter-spacing:-.02em;margin-bottom:8px;
}
.how__desc{font-size:.9rem;color:var(--text-2);line-height:1.65;max-width:280px;margin-inline:auto}

/* ============================================================
   FAQ
   ============================================================ */
.faq { padding: 96px 0; }

.faq__list {
  max-width: 720px;
  margin: 0 auto;
}

.faq__item {
  border-bottom: 1px solid var(--border);
}

.faq__item:first-child {
  border-top: 1px solid var(--border);
}

.faq__q {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 600;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text);
  transition: color 0.2s var(--ease);
}

.faq__q:hover { color: var(--accent); }

/* Remove default marker across browsers */
.faq__q::-webkit-details-marker { display: none; }
.faq__q::marker { content: ''; }

/* Custom open/close indicator */
.faq__q::after {
  content: '+';
  font-size: 1.3rem;
  color: var(--accent);
  flex-shrink: 0;
  margin-left: 16px;
  transition: transform 0.3s var(--ease);
}

.faq__item[open] .faq__q::after {
  content: '\2212';
}

.faq__a {
  padding: 0 0 20px;
}

.faq__a p {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.7;
}

.faq__a a {
  color: var(--accent);
  text-decoration: underline;
}

.faq__a a:hover {
  color: var(--accent-hover);
}

/* ============================================================
   CTA / WAITLIST
   ============================================================ */
.cta{padding:96px 0}

.cta__box{
  text-align:center;
  max-width:560px;margin:auto;
  padding:64px 32px;
  background:var(--bg-card);
  border:1px solid var(--border-accent);
  border-radius:16px;
  position:relative;overflow:hidden;
}
.cta__box::before{
  content:'';position:absolute;top:-80px;left:50%;transform:translateX(-50%);
  width:400px;height:200px;
  background:radial-gradient(ellipse,var(--accent-glow) 0%,transparent 70%);
  pointer-events:none;
}

.cta__h{
  font-family:var(--font-head);
  font-size:clamp(1.8rem,4vw,2.5rem);
  font-weight:700;letter-spacing:-.03em;line-height:1.1;
  margin-bottom:16px;position:relative;
}

.cta__sub{
  font-size:1rem;color:var(--text-2);margin-bottom:32px;
  line-height:1.6;position:relative;
}

.cta__note{
  font-size:.75rem;color:var(--text-3);margin-top:16px;
  position:relative;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{
  border-top:1px solid var(--border);
  padding:48px 0;
}
.footer__inner{
  display:flex;flex-direction:column;align-items:center;
  gap:24px;text-align:center;
}

.footer__brand{display:flex;flex-direction:column;align-items:center;gap:4px}
.footer__logo{font-family:var(--font-head);font-size:1.3rem;font-weight:700;letter-spacing:-.03em}
.footer__logo span{color:var(--accent)}
.footer__tagline{font-size:.8rem;color:var(--text-3)}

.footer__socials{display:flex;gap:20px}
.footer__socials a{
  color:var(--text-3);transition:color .2s,transform .2s;
}
.footer__socials a:hover{color:var(--accent);transform:translateY(-2px)}

.footer__copy{font-size:.75rem;color:var(--text-3)}

/* ============================================================
   LEGAL PAGES
   ============================================================ */
.legal { max-width: 720px; margin: 120px auto 64px; padding: 0 24px; }
.legal h1 { font-family: var(--font-head); font-size: 2rem; font-weight: 700; letter-spacing: -.03em; margin-bottom: 8px; }
.legal__date { color: var(--text-3); font-size: .85rem; margin-bottom: 48px; display: block; }
.legal h2 { font-family: var(--font-head); font-size: 1.2rem; font-weight: 700; letter-spacing: -.02em; margin-top: 40px; margin-bottom: 16px; }
.legal h3 { font-family: var(--font-head); font-size: 1rem; font-weight: 600; margin-top: 24px; margin-bottom: 12px; }
.legal p, .legal li { color: var(--text-2); font-size: .9rem; line-height: 1.8; margin-bottom: 12px; }
.legal ul, .legal ol { padding-left: 24px; margin-bottom: 16px; }
.legal table { width: 100%; border-collapse: collapse; margin: 16px 0 24px; }
.legal th, .legal td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border); font-size: .85rem; color: var(--text-2); }
.legal th { color: var(--text); font-weight: 600; }
.legal a { color: var(--accent); text-decoration: underline; }
.legal a:hover { color: var(--accent-hover); }
.legal strong { color: var(--text); }

.footer__legal { display: flex; gap: 24px; }
.footer__legal a { font-size: .8rem; color: var(--text-3); transition: color .2s; }
.footer__legal a:hover { color: var(--accent); }

/* ============================================================
   RESPONSIVE — Tablet (768px)
   ============================================================ */
@media(min-width:768px){
  .nav__links{display:flex}
  .nav__cta{display:inline-flex}
  .hide-mobile{display:inline}

  .hero__layout{grid-template-columns:1fr 1fr}
  .hero__visual{display:block}

  .feat-grid{grid-template-columns:repeat(3,1fr)}
  .feat-extras{grid-template-columns:repeat(2,1fr)}

  .how__steps{flex-direction:row;align-items:flex-start;gap:0}
  .how__connector{display:flex;align-items:center;padding-top:28px;flex-shrink:0}
  .how__step{flex:1}
}

/* ============================================================
   RESPONSIVE — Desktop (1024px)
   ============================================================ */
@media(min-width:1024px){
  .hero__h{font-size:4.5rem}
  .feat{padding:48px 40px}
  .cta__box{padding:80px 48px}
}