/* ===========================================================
   Youth AI Group — styles.css
   =========================================================== */

:root{
  --bg:#0E0B1F;
  --bg-2:#15102E;
  --ink:#0E0B1F;
  --paper:#FFE5C7;
  --paper-2:#FFD9B0;
  --paper-3:#FFEFD9;
  --blue:#2D5BFF;
  --blue-deep:#1A3FCC;
  --pink:#FF5BAE;
  --orange:#FFB341;
  --teal:#5AE0E0;
  --purple:#A78BFA;
  --green:#7CF59E;
  --yellow:#FFD93D;
  --coral:#FF7A5C;
  --muted:#7A7494;
  --line:rgba(14,11,31,0.12);

  --r-lg:28px;
  --r-md:18px;
  --r-sm:12px;
  --shadow:0 24px 60px -20px rgba(14,11,31,0.25);
  --shadow-soft:0 10px 30px -12px rgba(14,11,31,0.18);

  --serif:'Fraunces', Georgia, serif;
  --sans:'Plus Jakarta Sans', system-ui, -apple-system, Segoe UI, sans-serif;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}

.container{
  max-width:1180px;
  margin:0 auto;
  padding:0 28px;
}

/* ============ NAV ============ */
.nav{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,229,199,0.85);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1180px;
  margin:0 auto;
  padding:14px 28px;
  display:flex;
  align-items:center;
  gap:32px;
}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{width:36px;height:36px;display:block}
.logo-text{font-family:var(--serif);font-weight:900;font-size:20px;letter-spacing:-0.01em}
.grad-word{
  color:var(--blue);
  font-style:italic;
}
.nav-links{display:flex;gap:28px;margin-left:auto;font-weight:600;font-size:14.5px}
.nav-links a{position:relative;padding:6px 0;color:#3A3458}
.nav-links a:hover{color:var(--ink)}
.nav-cta{margin-left:8px}

@media (max-width:760px){
  .nav-links{display:none}
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-weight:700;
  border-radius:999px;
  padding:11px 20px;
  font-size:14.5px;
  cursor:pointer;
  border:none;
  transition:transform .15s ease, box-shadow .15s ease, background .2s ease;
  white-space:nowrap;
}
.btn.big{padding:16px 28px;font-size:16px}
.btn-primary{
  background:var(--ink);
  color:#FFF8EC;
  box-shadow:0 8px 0 0 #4A2D7A, 0 14px 30px -10px rgba(14,11,31,0.45);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 0 0 #4A2D7A, 0 18px 36px -10px rgba(14,11,31,0.55)}
.btn-primary:active{transform:translateY(2px);box-shadow:0 4px 0 0 #4A2D7A, 0 6px 14px -6px rgba(14,11,31,0.4)}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border:2px solid var(--ink);
}
.btn-ghost:hover{background:var(--ink);color:#FFF8EC}

/* ============ HERO ============ */
.hero{
  position:relative;
  padding:100px 28px 130px;
  background:
    radial-gradient(circle at 15% 10%, rgba(255,91,174,0.28), transparent 40%),
    radial-gradient(circle at 90% 20%, rgba(45,91,255,0.22), transparent 40%),
    radial-gradient(circle at 70% 90%, rgba(122,242,158,0.18), transparent 40%),
    var(--paper);
  overflow:hidden;
  isolation:isolate;
}
.hero-inner{
  max-width:880px;
  margin:0 auto;
  text-align:center;
  position:relative;
  z-index:2;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  background:rgba(14,11,31,0.06);
  border:1px solid rgba(14,11,31,0.1);
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  color:#3A3458;
  margin-bottom:28px;
}
.badge .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--pink);
  box-shadow:0 0 0 4px rgba(255,91,174,0.25);
  animation:pulse 1.8s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 4px rgba(255,91,174,0.25)}
  50%{box-shadow:0 0 0 8px rgba(255,91,174,0.05)}
}

.hero-title{
  font-family:var(--serif);
  font-weight:900;
  font-size:clamp(44px, 7.4vw, 92px);
  line-height:0.98;
  letter-spacing:-0.025em;
  margin:0 0 22px;
}
.title-grad{
  color:var(--blue);
  font-style:italic;
  position:relative;
  display:inline-block;
}
.title-grad::after{
  content:'';
  position:absolute;
  left:2%;
  right:2%;
  bottom:-2px;
  height:14px;
  background:var(--pink);
  z-index:-1;
  border-radius:8px;
  opacity:0.35;
  transform:rotate(-1deg);
}
.hero-sub{
  font-size:clamp(16px,1.6vw,19px);
  line-height:1.55;
  color:#3A3458;
  max-width:640px;
  margin:0 auto 36px;
}
.hero-ctas{
  display:flex;
  gap:14px;
  justify-content:center;
  flex-wrap:wrap;
  margin-bottom:54px;
}
.hero-stats{
  display:flex;
  justify-content:center;
  gap:48px;
  flex-wrap:wrap;
}
.hero-stats > div{
  display:flex;
  flex-direction:column;
  align-items:center;
}
.hero-stats strong{
  font-family:var(--serif);
  font-weight:900;
  font-size:34px;
  letter-spacing:-0.02em;
  color:var(--blue);
}
.hero-stats span{font-size:13px;color:#6B6485;font-weight:500;margin-top:2px}

.hero-fade{
  position:absolute;
  bottom:0;left:0;right:0;
  height:80px;
  background:linear-gradient(to bottom, transparent, var(--paper));
  pointer-events:none;
  z-index:1;
}

/* ============ STICKERS ============ */
.stickers{
  position:absolute;
  inset:0;
  pointer-events:none;
  z-index:1;
}
.sticker{
  position:absolute;
  width:78px;
  height:78px;
  filter:drop-shadow(0 12px 18px rgba(14,11,31,0.18));
  animation:float 6s ease-in-out infinite;
}
.sticker svg{width:100%;height:100%}

/* sticker positions */
.s1{top:10%;left:6%;width:88px;height:88px;animation-delay:0s;transform:rotate(-12deg)}
.s2{top:18%;right:8%;width:96px;height:96px;animation-delay:.5s;transform:rotate(15deg)}
.s3{top:55%;left:4%;width:84px;height:84px;animation-delay:1s;transform:rotate(8deg)}
.s4{top:62%;right:6%;width:72px;height:72px;animation-delay:1.5s;transform:rotate(-18deg)}
.s5{top:8%;left:46%;width:64px;height:64px;animation-delay:2s;transform:rotate(20deg)}
.s6{top:38%;left:14%;width:62px;height:62px;animation-delay:2.5s;transform:rotate(-25deg)}
.s7{top:32%;right:15%;width:58px;height:58px;animation-delay:.8s;transform:rotate(10deg)}
.s8{top:74%;left:18%;width:68px;height:68px;animation-delay:1.8s;transform:rotate(-8deg)}
.s9{top:78%;right:20%;width:66px;height:66px;animation-delay:2.2s;transform:rotate(15deg)}
.s10{top:48%;right:3%;width:72px;height:72px;animation-delay:.3s;transform:rotate(-20deg)}
.s11{top:88%;left:42%;width:56px;height:56px;animation-delay:1.2s;transform:rotate(12deg)}
.s12{top:25%;left:24%;width:54px;height:54px;animation-delay:3s;transform:rotate(-15deg)}

@keyframes float{
  0%,100%{transform:translateY(0) rotate(var(--r,0deg))}
  50%{transform:translateY(-14px) rotate(var(--r,0deg))}
}
.s1{--r:-12deg}
.s2{--r:15deg}
.s3{--r:8deg}
.s4{--r:-18deg}
.s5{--r:20deg}
.s6{--r:-25deg}
.s7{--r:10deg}
.s8{--r:-8deg}
.s9{--r:15deg}
.s10{--r:-20deg}
.s11{--r:12deg}
.s12{--r:-15deg}

@media (max-width:880px){
  .s5,.s6,.s7,.s11,.s12{display:none}
  .sticker{width:62px;height:62px}
  .s1,.s2{width:70px;height:70px}
}
@media (max-width:560px){
  .s3,.s4,.s8,.s9{display:none}
  .s1{top:4%;left:2%}
  .s2{top:6%;right:2%}
  .s10{top:60%;right:2%}
}

/* ============ MARQUEE ============ */
.marquee{
  background:var(--ink);
  color:var(--paper);
  padding:22px 0;
  overflow:hidden;
  border-top:3px solid var(--orange);
  border-bottom:3px solid var(--pink);
}
.marquee-track{
  display:flex;
  gap:48px;
  white-space:nowrap;
  animation:scroll 38s linear infinite;
  font-family:var(--serif);
  font-style:italic;
  font-weight:700;
  font-size:24px;
}
.marquee-track span{flex-shrink:0}
@keyframes scroll{
  from{transform:translateX(0)}
  to{transform:translateX(-50%)}
}

/* ============ MISSION ============ */
.mission{padding:120px 0;background:var(--paper)}
.mission .eyebrow{color:var(--blue)}
.two-col{
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:80px;
  align-items:center;
}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--pink);
  margin-bottom:18px;
}
.section-title{
  font-family:var(--serif);
  font-weight:900;
  font-size:clamp(34px,4.4vw,56px);
  line-height:1.05;
  letter-spacing:-0.02em;
  margin:0 0 22px;
}
.section-title em{
  font-style:italic;
  color:var(--blue);
}
.lede{
  font-size:19px;
  line-height:1.55;
  color:#3A3458;
  margin-bottom:18px;
  font-weight:500;
}
.body{
  font-size:16px;line-height:1.65;color:#5A5478;margin-bottom:24px;
}
.link-arrow{
  font-weight:700;
  border-bottom:2px solid var(--ink);
  padding-bottom:2px;
  display:inline-block;
}
.link-arrow:hover{color:var(--pink);border-bottom-color:var(--pink)}

.mission-card{
  background:linear-gradient(160deg,#15102E 0%,#1A3FCC 100%);
  color:var(--paper-3);
  padding:48px 44px;
  border-radius:var(--r-lg);
  border:3px solid var(--ink);
  box-shadow:10px 12px 0 0 var(--ink);
  position:relative;
  overflow:hidden;
  transform:rotate(1deg);
}
.mission-card::before{
  content:'';
  position:absolute;
  top:-40px;right:-40px;
  width:200px;height:200px;
  background:radial-gradient(circle,rgba(255,91,174,0.5),transparent 70%);
  border-radius:50%;
}
.mission-card::after{
  content:'★';
  position:absolute;
  bottom:-10px;left:-10px;
  font-size:80px;
  color:var(--orange);
  opacity:0.25;
  line-height:1;
}
.card-emoji{
  font-size:36px;
  color:var(--orange);
  margin-bottom:16px;
}
.mission-card h3{
  font-family:var(--serif);
  font-size:26px;
  font-weight:800;
  letter-spacing:-0.01em;
  margin:0 0 24px;
}
.mission-card ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:14px}
.mission-card li{
  display:flex;
  gap:14px;
  align-items:flex-start;
  padding-bottom:14px;
  border-bottom:1px solid rgba(255,248,236,0.1);
  font-size:15.5px;
  line-height:1.5;
}
.mission-card li:last-child{border-bottom:none;padding-bottom:0}
.mission-card li span{
  font-family:var(--serif);
  font-weight:900;
  font-size:18px;
  color:var(--orange);
  flex-shrink:0;
}

@media (max-width:880px){
  .two-col{grid-template-columns:1fr;gap:48px}
  .mission{padding:80px 0}
}

/* ============ TRACKS ============ */
.tracks{
  padding:120px 0;
  background:linear-gradient(180deg,var(--paper) 0%, #FFCFB5 100%);
  position:relative;
  overflow:hidden;
}
.tracks::before{
  content:'✦';
  position:absolute;
  top:60px;left:5%;
  font-size:60px;
  color:var(--blue);
  opacity:0.3;
  font-family:var(--serif);
}
.tracks::after{
  content:'★';
  position:absolute;
  bottom:80px;right:6%;
  font-size:80px;
  color:var(--pink);
  opacity:0.3;
}
.tracks .eyebrow{color:var(--blue)}
.section-head.center{text-align:center;max-width:680px;margin:0 auto 64px}
.section-sub{font-size:18px;color:#5A5478;line-height:1.5;margin:8px 0 0}

.track-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  position:relative;
  z-index:1;
}
.track{
  background:#FFF;
  border-radius:var(--r-lg);
  padding:32px 26px 30px;
  border:3px solid var(--ink);
  box-shadow:8px 8px 0 0 var(--ink);
  transition:transform .25s cubic-bezier(.34,1.56,.64,1), box-shadow .25s ease;
  position:relative;
  overflow:visible;
}
.track:nth-child(1){transform:rotate(-1.5deg)}
.track:nth-child(2){transform:rotate(1deg)}
.track:nth-child(3){transform:rotate(-0.8deg)}
.track:nth-child(4){transform:rotate(1.5deg)}
.track:hover{
  transform:translate(-4px,-6px) rotate(0deg) !important;
  box-shadow:12px 14px 0 0 var(--ink);
}
.track::before{
  content:'';
  position:absolute;
  top:-14px;
  right:-14px;
  width:42px;
  height:42px;
  background:var(--c);
  border:3px solid var(--ink);
  border-radius:50%;
  z-index:2;
  box-shadow:3px 3px 0 0 var(--ink);
}
.track::after{
  content:'✦';
  position:absolute;
  top:-12px;
  right:-6px;
  font-size:24px;
  font-family:var(--serif);
  color:var(--ink);
  font-weight:900;
  z-index:3;
  line-height:1;
}
.track-icon{
  width:72px;height:72px;
  background:var(--c);
  border-radius:20px;
  display:flex;align-items:center;justify-content:center;
  color:var(--ink);
  margin-bottom:22px;
  border:3px solid var(--ink);
  box-shadow:4px 4px 0 0 var(--ink);
  transform:rotate(-4deg);
  transition:transform .25s cubic-bezier(.34,1.56,.64,1);
}
.track:hover .track-icon{transform:rotate(6deg) scale(1.05)}
.track-icon svg{width:42px;height:42px}
.track h3{
  font-family:var(--serif);
  font-size:25px;
  font-weight:900;
  letter-spacing:-0.01em;
  margin:0 0 10px;
}
.track p{font-size:14.5px;line-height:1.55;color:#3A3458;margin:0 0 18px}
.track-tag{
  display:inline-block;
  font-size:11.5px;
  font-weight:800;
  letter-spacing:0.06em;
  color:var(--ink);
  background:var(--c);
  text-transform:uppercase;
  padding:6px 12px;
  border-radius:999px;
  border:2px solid var(--ink);
}

@media (max-width:980px){
  .track-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:520px){
  .track-grid{grid-template-columns:1fr}
}

/* ============ HOW ============ */
.how{
  padding:120px 0;
  background:var(--ink);
  color:var(--paper);
  position:relative;
  overflow:hidden;
}
.how::before{
  content:'';
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 10% 20%, rgba(255,91,174,0.15), transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(90,224,224,0.15), transparent 40%);
}
.how .container{position:relative;z-index:1}
.how .eyebrow{color:var(--orange)}
.how .section-title{color:var(--paper)}

.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-top:24px;
}
.step{
  background:rgba(255,248,236,0.05);
  border:1px solid rgba(255,248,236,0.12);
  border-radius:var(--r-md);
  padding:28px 24px;
  transition:background .2s ease,border .2s ease;
}
.step:hover{
  background:rgba(255,248,236,0.08);
  border-color:rgba(255,248,236,0.25);
}
.step-num{
  font-family:var(--serif);
  font-weight:900;
  font-size:46px;
  letter-spacing:-0.02em;
  color:var(--orange);
  line-height:1;
  margin-bottom:14px;
}
.step h3{
  font-family:var(--serif);
  font-size:20px;
  font-weight:800;
  margin:0 0 8px;
}
.step p{
  font-size:14.5px;
  line-height:1.55;
  color:rgba(255,248,236,0.7);
  margin:0;
}

@media (max-width:880px){
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:520px){
  .steps{grid-template-columns:1fr}
}

/* ============ STORIES ============ */
.stories{padding:120px 0;background:var(--paper);position:relative;overflow:hidden}
.stories .eyebrow{color:var(--blue)}
.story-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.story{
  background:#FFF;
  border-radius:var(--r-lg);
  padding:38px 30px 30px;
  border:3px solid var(--ink);
  position:relative;
  box-shadow:8px 8px 0 0 var(--c);
  transition:transform .25s cubic-bezier(.34,1.56,.64,1), box-shadow .25s ease;
}
.story:nth-child(1){transform:rotate(-1.2deg)}
.story:nth-child(2){transform:rotate(0.8deg)}
.story:nth-child(3){transform:rotate(-0.5deg)}
.story:hover{
  transform:translate(-4px,-6px) rotate(0deg) !important;
  box-shadow:12px 14px 0 0 var(--c);
}
.story::before{
  content:'★';
  position:absolute;
  top:-18px;
  left:24px;
  background:var(--c);
  width:44px;
  height:44px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
  color:var(--ink);
  border:3px solid var(--ink);
  border-radius:50%;
  box-shadow:3px 3px 0 0 var(--ink);
  font-family:var(--serif);
  font-weight:900;
}
.story .quote{
  font-family:var(--serif);
  font-size:90px;
  font-weight:900;
  color:var(--c);
  line-height:0.6;
  margin:14px 0 4px;
  display:block;
}
.story p{
  font-size:17px;
  line-height:1.5;
  font-family:var(--serif);
  font-weight:600;
  margin:0 0 24px;
}
.who{display:flex;flex-direction:column;gap:2px;padding-top:18px;border-top:2px dashed rgba(14,11,31,0.18)}
.who strong{font-size:15px;font-weight:800}
.who span{font-size:13px;color:var(--blue);font-weight:700}

@media (max-width:880px){
  .story-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto}
}

/* ============ JOIN ============ */
.join{
  padding:80px 0 120px;
  background:linear-gradient(180deg, var(--paper) 0%, #FFC9A8 100%);
}
.join-card{
  background:linear-gradient(135deg,var(--blue) 0%,#FF5BAE 60%,var(--orange) 100%);
  border-radius:36px;
  padding:72px 48px;
  text-align:center;
  position:relative;
  overflow:hidden;
  border:3px solid var(--ink);
  box-shadow:10px 12px 0 0 var(--ink), 0 30px 80px -20px rgba(14,11,31,0.4);
}
.join-card::before,
.join-card::after{
  content:'✦';
  position:absolute;
  font-size:80px;
  color:rgba(255,255,255,0.25);
  font-family:var(--serif);
}
.join-card::before{top:20px;left:30px}
.join-card::after{bottom:20px;right:30px}
.join-card h2{
  font-family:var(--serif);
  font-weight:900;
  font-size:clamp(34px,4.4vw,52px);
  line-height:1.05;
  letter-spacing:-0.02em;
  color:#FFF;
  margin:0 0 14px;
}
.join-card p{
  font-size:18px;
  color:#FFF;
  margin:0 0 32px;
  font-weight:500;
  opacity:0.95;
}
.signup{
  display:flex;
  gap:10px;
  max-width:520px;
  margin:0 auto 16px;
  background:#FFF;
  padding:8px;
  border-radius:999px;
  box-shadow:0 12px 30px -10px rgba(14,11,31,0.3);
  flex-wrap:wrap;
}
.signup input{
  flex:1;
  min-width:200px;
  border:none;
  background:transparent;
  padding:0 16px;
  font-size:15px;
  font-family:var(--sans);
  color:var(--ink);
  outline:none;
}
.signup input::placeholder{color:#9C95B8}
.signup button{flex-shrink:0}
.join-card small{font-size:13px;color:rgba(255,255,255,0.85);font-weight:600}

@media (max-width:560px){
  .join-card{padding:48px 28px}
  .signup{flex-direction:column;border-radius:18px;padding:14px}
  .signup input{padding:10px 16px;text-align:center}
  .signup button{width:100%}
}

/* ============ FOOTER ============ */
.foot{
  background:var(--ink);
  color:rgba(255,248,236,0.8);
  padding:80px 0 0;
}
.foot-inner{
  display:grid;
  grid-template-columns:1.4fr 2fr;
  gap:60px;
  padding-bottom:60px;
}
.foot-brand .logo-text{color:var(--paper);font-size:24px}
.foot-brand p{
  font-size:15px;
  line-height:1.55;
  color:rgba(255,248,236,0.55);
  max-width:300px;
  margin-top:14px;
}
.foot-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.foot-cols h4{
  font-family:var(--sans);
  font-weight:700;
  font-size:13px;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--orange);
  margin:0 0 16px;
}
.foot-cols a{
  display:block;
  font-size:14.5px;
  margin-bottom:8px;
  color:rgba(255,248,236,0.7);
  transition:color .15s ease;
}
.foot-cols a:hover{color:var(--paper)}
.foot-bottom{
  border-top:1px solid rgba(255,248,236,0.1);
  padding:24px 28px;
  display:flex;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,248,236,0.5);
  max-width:1180px;
  margin:0 auto;
  flex-wrap:wrap;
  gap:12px;
}

@media (max-width:760px){
  .foot-inner{grid-template-columns:1fr;gap:40px}
  .foot-cols{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:520px){
  .foot-cols{grid-template-columns:repeat(2,1fr)}
}