*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --green-dark:#1a4d2e;--green-main:#2e7d52;--green-mid:#3a9463;
  --green-pale:#e8f5ee;--white:#fff;--off-white:#f4f6f4;
  --text-dark:#1a2e1f;--text-mid:#3d5a45;--text-light:#6b8f74;
  --border:#c8dece;--red:#dc2626;--red-bg:#fef2f2;--red-border:#fca5a5;
}
body{font-family:'DM Sans',sans-serif;min-height:100vh;display:flex;flex-direction:column;background:#0d2e1a;position:relative;overflow-x:hidden}

/* ═══════════════════════════════════════
   MAGIC BACKGROUND SYSTEM
   ═══════════════════════════════════════ */

/* Noise texture grain overlay */
body::before{
  content:'';position:fixed;inset:0;z-index:1;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  opacity:0.35;mix-blend-mode:overlay;
}

/* Diagonal shimmer lines */
body::after{
  content:'';position:fixed;inset:0;z-index:0;pointer-events:none;
  background:repeating-linear-gradient(
    -55deg,
    transparent,transparent 80px,
    rgba(46,125,82,0.025) 80px,rgba(46,125,82,0.025) 81px
  );
}

/* Orb base */
.bg-orb{position:fixed;border-radius:50%;pointer-events:none;z-index:0}

/* Large aurora top-left */
.bg-orb-1{
  width:700px;height:700px;top:-200px;left:-200px;
  background:conic-gradient(from 220deg at 40% 40%,
    rgba(46,125,82,0) 0deg,
    rgba(58,148,99,0.22) 60deg,
    rgba(26,77,46,0.18) 120deg,
    rgba(13,46,26,0) 180deg
  );
  filter:blur(40px);
  animation:orbDrift1 14s ease-in-out infinite;
}

/* Deep glow bottom-right */
.bg-orb-2{
  width:800px;height:800px;bottom:-250px;right:-250px;
  background:radial-gradient(ellipse at 60% 60%,
    rgba(46,125,82,0.24) 0%,
    rgba(26,77,46,0.14) 40%,
    transparent 70%
  );
  filter:blur(50px);
  animation:orbDrift2 18s ease-in-out infinite reverse;
}

/* Mid accent orb */
.bg-orb-3{
  width:400px;height:400px;top:30%;left:55%;
  background:radial-gradient(circle,rgba(58,148,99,0.12) 0%,transparent 65%);
  filter:blur(30px);
  animation:orbDrift3 22s ease-in-out infinite 3s;
}

/* Floating particles */
.bg-particle{position:fixed;pointer-events:none;z-index:0;border-radius:50%}
.bp-1{width:3px;height:3px;background:rgba(111,207,151,0.5);top:15%;left:12%;animation:particleDrift 8s ease-in-out infinite}
.bp-2{width:2px;height:2px;background:rgba(111,207,151,0.35);top:65%;left:8%;animation:particleDrift 11s ease-in-out infinite 2s}
.bp-3{width:4px;height:4px;background:rgba(111,207,151,0.4);top:40%;left:22%;animation:particleDrift 9s ease-in-out infinite 1s}
.bp-4{width:2px;height:2px;background:rgba(58,148,99,0.6);top:75%;left:18%;animation:particleDrift 13s ease-in-out infinite 4s}
.bp-5{width:3px;height:3px;background:rgba(111,207,151,0.3);top:25%;right:15%;animation:particleDrift 10s ease-in-out infinite 1.5s}
.bp-6{width:2px;height:2px;background:rgba(111,207,151,0.45);top:55%;right:10%;animation:particleDrift 7s ease-in-out infinite 3s}
.bp-7{width:4px;height:4px;background:rgba(46,125,82,0.5);top:85%;right:22%;animation:particleDrift 12s ease-in-out infinite 0.5s}
.bp-8{width:2px;height:2px;background:rgba(111,207,151,0.3);top:10%;right:30%;animation:particleDrift 15s ease-in-out infinite 6s}

/* Horizontal light streak */
.bg-streak{
  position:fixed;pointer-events:none;z-index:0;
  height:1px;left:0;right:0;
  background:linear-gradient(90deg,transparent 0%,rgba(58,148,99,0.15) 30%,rgba(111,207,151,0.25) 50%,rgba(58,148,99,0.15) 70%,transparent 100%);
}
.bg-streak-1{top:28%;animation:streakMove 16s ease-in-out infinite}
.bg-streak-2{top:62%;animation:streakMove 21s ease-in-out infinite reverse 4s;opacity:0.6}

/* Vignette corners */
.bg-vignette{
  position:fixed;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(ellipse at 50% 50%,transparent 50%,rgba(5,18,10,0.55) 100%);
}

/* Animations */
@keyframes orbDrift1{
  0%,100%{transform:translate(0,0) scale(1) rotate(0deg)}
  33%{transform:translate(50px,40px) scale(1.06) rotate(5deg)}
  66%{transform:translate(-20px,60px) scale(0.96) rotate(-3deg)}
}
@keyframes orbDrift2{
  0%,100%{transform:translate(0,0) scale(1)}
  50%{transform:translate(-60px,-40px) scale(1.08)}
}
@keyframes orbDrift3{
  0%,100%{transform:translate(0,0) scale(1);opacity:0.8}
  33%{transform:translate(-40px,30px) scale(1.12);opacity:1}
  66%{transform:translate(30px,-50px) scale(0.9);opacity:0.6}
}
@keyframes particleDrift{
  0%,100%{transform:translate(0,0);opacity:0.4}
  25%{transform:translate(12px,-20px);opacity:0.9}
  50%{transform:translate(-8px,-38px);opacity:0.6}
  75%{transform:translate(16px,-58px);opacity:0.8}
}
@keyframes streakMove{
  0%,100%{opacity:0;transform:scaleX(0.3) translateX(-30%)}
  30%{opacity:1;transform:scaleX(1) translateX(0)}
  70%{opacity:0.8;transform:scaleX(1.1) translateX(5%)}
  90%{opacity:0;transform:scaleX(0.4) translateX(30%)}
}

nav{background:var(--white);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 56px;height:72px;box-shadow:0 2px 12px rgba(0,0,0,.06);position:relative;z-index:10}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.nav-links{display:flex;align-items:center;gap:40px}
.nav-links a{text-decoration:none;font-size:15px;color:var(--text-dark);transition:color .2s}
.nav-links a:hover{color:var(--green-main)}
.btn-nav{background:var(--green-main);color:#fff!important;padding:10px 28px;border-radius:50px;font-weight:600!important;font-size:14px!important;transition:background .2s!important}
.btn-nav:hover{background:var(--green-dark)!important}

/* MAIN */
main{flex:1;position:relative;display:flex;align-items:center;justify-content:center;padding:40px 48px;min-height:calc(100vh - 72px);overflow:hidden}
.page-bg{position:absolute;inset:0;background:url('../images/signupbg.png') center center / cover no-repeat;z-index:0}
.page-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(10,36,20,0.82) 0%,rgba(20,60,35,0.68) 50%,rgba(10,36,20,0.80) 100%)}

/* BIG CARD */
.signup-card{position:relative;z-index:2;width:100%;max-width:960px;background:rgba(255,255,255,0.97);border-radius:32px;box-shadow:0 40px 100px rgba(0,0,0,0.45),0 8px 32px rgba(0,0,0,0.2);display:grid;grid-template-columns:1fr 1fr;overflow:visible;min-height:600px;animation:slideUp 0.7s cubic-bezier(0.22,1,0.36,1) both}
@keyframes slideUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}

/* FORM HALF */
.form-half{padding:44px 40px;display:flex;flex-direction:column;justify-content:center;background:var(--green-main);border-radius:32px 0 0 32px;position:relative;overflow:hidden}
.form-half::before{content:'';position:absolute;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,0.06) 1.5px,transparent 1.5px);background-size:24px 24px;pointer-events:none}
.form-half h1{font-family:'Syne',sans-serif;font-size:28px;font-weight:800;color:#fff;margin-bottom:22px;position:relative;z-index:1}

/* error box */
.error-box{background:rgba(220,38,38,0.15);border:1px solid rgba(252,165,165,0.5);border-radius:10px;padding:12px 16px;margin-bottom:14px;display:none;align-items:center;gap:10px;position:relative;z-index:1}
.error-box.show{display:flex}
.error-box i{color:#fca5a5;font-size:15px;flex-shrink:0}
.error-box p{font-size:13px;color:#fecaca;margin:0}

/* fields */
.field{margin-bottom:13px;position:relative;z-index:1}
.field label{display:block;font-size:12.5px;font-weight:500;color:rgba(255,255,255,0.85);margin-bottom:5px}
.label-sub{font-size:11px;color:rgba(255,255,255,0.45);font-weight:400;margin-left:4px}
.field input{width:100%;padding:10px 14px;border:1.5px solid rgba(255,255,255,0.25);border-radius:8px;background:rgba(255,255,255,0.12);color:#fff;font-family:'DM Sans',sans-serif;font-size:14px;outline:none;transition:border .2s,background .2s}
.field input::placeholder{color:rgba(255,255,255,0.35)}
.field input:focus{border-color:rgba(255,255,255,0.6);background:rgba(255,255,255,0.18)}
.field input.err{border-color:rgba(252,165,165,0.8)!important}
.field input.ok{border-color:rgba(111,207,151,0.7)!important}
.field-err{font-size:11.5px;color:#fca5a5;margin-top:4px;display:none}
.field-err.show{display:block}
.pw-wrap{position:relative}
.pw-wrap input{padding-right:44px}
.toggle-pw{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:rgba(255,255,255,0.5);font-size:14px;transition:color .2s}
.toggle-pw:hover{color:#fff}
.pw-rules{margin-top:6px;display:grid;grid-template-columns:1fr 1fr;gap:2px 8px}
.pw-rule{display:flex;align-items:center;gap:6px;font-size:11px;color:rgba(255,255,255,0.45);transition:color .25s}
.pw-rule i{font-size:10px;width:12px;text-align:center;transition:color .25s}
.pw-rule.met{color:rgba(111,207,151,0.95)}
.pw-rule.met i{color:#6fcf97}

/* gender */
.gender-group{display:grid;grid-template-columns:1fr 1fr 1fr;gap:7px}
.g-btn{padding:9px 6px;border:1.5px solid rgba(255,255,255,0.25);border-radius:8px;background:rgba(255,255,255,0.08);color:rgba(255,255,255,0.65);font-family:'DM Sans',sans-serif;font-size:13px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:5px;transition:all .2s}
.g-btn:hover,.g-btn.active{background:rgba(255,255,255,0.2);border-color:#fff;color:#fff;font-weight:600}

/* terms */
.terms-row{display:flex;align-items:flex-start;gap:9px;margin:12px 0 4px;position:relative;z-index:1}
.terms-row input[type=checkbox]{width:14px;height:14px;accent-color:#fff;cursor:pointer;flex-shrink:0;margin-top:2px}
.terms-row label{font-size:11.5px;color:rgba(255,255,255,0.65);line-height:1.5;cursor:pointer}
.terms-row label a{color:rgba(111,207,151,0.9);text-decoration:none}
.terms-row label a:hover{color:#fff}
.terms-err{font-size:11.5px;color:#fca5a5;margin-bottom:10px;display:none;position:relative;z-index:1}
.terms-err.show{display:block}

.btn-submit{width:100%;padding:13px;background:var(--green-dark);color:#fff;border:none;border-radius:10px;cursor:pointer;font-family:'Syne',sans-serif;font-size:15px;font-weight:700;letter-spacing:.5px;transition:background .2s,transform .15s;margin-bottom:16px;position:relative;z-index:1}
.btn-submit:hover:not(:disabled){background:#0f3320;transform:translateY(-1px)}
.btn-submit:disabled{opacity:.5;cursor:not-allowed}
.login-cta{text-align:center;font-size:13px;color:rgba(255,255,255,0.65);position:relative;z-index:1}
.login-cta a{color:#6fcf97;text-decoration:none;font-weight:600}
.login-cta a:hover{color:#fff}

/* IMAGE HALF */
.image-half{
  position:relative;border-radius:0 32px 32px 0;
  background:#1a4d2e; /* solid green base behind photo */
  display:flex;align-items:flex-end;justify-content:center;
  overflow:hidden; /* clip the bg photo to card shape */
  min-height:600px;
}
/* Campus photo */
.image-half .bg-photo{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;object-position:60% center;
  opacity:0.55;
  filter:saturate(0.6) brightness(0.75) sepia(0.35) hue-rotate(60deg);
  z-index:1;border-radius:0 32px 32px 0;
}
/* Green tint overlay — same as login */
.image-half::before{
  content:'';position:absolute;inset:0;
  background:#1a4d2e;
  z-index:0;border-radius:0 32px 32px 0;
}
.image-half::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(26,77,46,0.55) 0%,rgba(46,125,82,0.35) 50%,rgba(26,77,46,0.60) 100%);
  z-index:2;pointer-events:none;border-radius:0 32px 32px 0;
}

.jeep-wrap{position:relative;width:100%;display:flex;align-items:flex-end;justify-content:center;z-index:3;height:100%}
.img-jeep{width:108%;max-width:580px;object-fit:contain;position:relative;z-index:4;bottom:-2px;filter:drop-shadow(-30px 20px 40px rgba(0,0,0,0.45)) drop-shadow(0 8px 24px rgba(0,0,0,0.25));animation:jeepFloat 3.8s ease-in-out infinite}
@keyframes jeepFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-18px)}}
.img-pin{position:absolute;top:8%;left:42%;width:11%;max-width:60px;object-fit:contain;filter:drop-shadow(0 6px 12px rgba(0,0,0,0.3));animation:pinFloat 2.6s ease-in-out infinite;z-index:5}
@keyframes pinFloat{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-14px) scale(1.08)}}
.jeep-shadow{position:absolute;bottom:10px;left:50%;transform:translateX(-50%);width:65%;height:18px;background:rgba(15,50,28,0.35);border-radius:50%;filter:blur(14px);z-index:3;animation:shadowPulse 3.8s ease-in-out infinite}
@keyframes shadowPulse{0%,100%{transform:translateX(-50%) scaleX(1);opacity:0.35}50%{transform:translateX(-50%) scaleX(0.82);opacity:0.18}}

/* SUCCESS */
.success-overlay{position:fixed;inset:0;z-index:200;background:rgba(26,77,46,.92);display:none;align-items:center;justify-content:center;backdrop-filter:blur(6px)}
.success-overlay.show{display:flex}
.success-card{background:var(--green-main);border-radius:24px;padding:56px 48px;text-align:center;max-width:420px;width:90%;box-shadow:0 32px 80px rgba(0,0,0,.3);animation:popIn .4s cubic-bezier(.34,1.56,.64,1)}
@keyframes popIn{from{transform:scale(.7);opacity:0}to{transform:scale(1);opacity:1}}
.success-icon{width:80px;height:80px;border-radius:50%;background:#fff;margin:0 auto 24px;display:flex;align-items:center;justify-content:center}
.success-icon i{font-size:36px;color:var(--green-main)}
.success-card h2{font-family:'Syne',sans-serif;font-size:28px;font-weight:800;color:#fff;margin-bottom:12px}
.success-card p{font-size:14px;color:rgba(255,255,255,.8);line-height:1.6}

/* FOOTER */
footer{background:var(--white);border-top:1px solid var(--border);padding:40px 80px 28px;position:relative;z-index:5}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:32px}
.f-name{font-family:'Syne',sans-serif;font-size:18px;font-weight:700;color:var(--green-dark);margin-bottom:8px}
.footer-brand p{font-size:13px;color:var(--text-light)}
.f-socials{display:flex;gap:10px;margin-top:16px}
.f-socials a{width:32px;height:32px;border-radius:50%;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-light);font-size:12px;text-decoration:none;transition:all .2s}
.f-socials a:hover{border-color:var(--green-main);color:var(--green-main)}
.footer-col h5{font-family:'Syne',sans-serif;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:2px;color:var(--text-dark);margin-bottom:12px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.footer-col ul li a{text-decoration:none;font-size:13px;color:var(--text-light);transition:color .2s}
.footer-col ul li a:hover{color:var(--green-main)}
.footer-bottom{border-top:1px solid var(--border);padding-top:20px;display:flex;justify-content:space-between;font-size:12px;color:var(--text-light)}

@media(max-width:860px){
  main{padding:24px 16px}
  .signup-card{grid-template-columns:1fr;max-width:500px}
  .form-half{border-radius:32px}
  .image-half{display:none}
  nav{padding:0 20px}
  footer{padding:32px 20px}
  .footer-grid{grid-template-columns:1fr 1fr}
}