:root{
  --text:#111827;
  --muted:#6b7280;
  --bg:#ffffff;
  --surface:rgba(255,255,255,.9);
  --dark:#0f172a;
  --accent:#d9899a;
  --accent-hover:#b87d95;
  --border:rgba(15,23,42,.12);
  --shadow:0 12px 30px rgba(0,0,0,.14);
  --radius:16px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Prompt",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.6;color:var(--text);background:var(--bg)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none;padding:0;margin:0}

.container{width:min(1100px,92%);margin:0 auto}
.text-center{text-align:center}
.hidden{display:none !important}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.25rem;border-radius:999px;border:1px solid transparent;font-weight:600;cursor:pointer;transition:transform .15s ease,background-color .2s ease,border-color .2s ease;user-select:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#111}
.btn-primary:hover{background:var(--accent-hover)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{border-color:rgba(255,255,255,.8)}

/* Page hero */
.page-hero{min-height:100vh;position:relative;color:#fff}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,23,42,.75),rgba(15,23,42,.55) 45%,rgba(15,23,42,.75))}
.page-hero > .container{position:relative;z-index:1}

/* Backgrounds (kept from original project) */
#header__home{background:url("../img/bg.png") no-repeat center right/cover}
#about_us{background:url("../img/bg1-5.png") no-repeat center right/cover;color:#fff}
#price-home{background:url("../img/bg3.png") no-repeat center right/cover}
#reg_log-home{background:url("../img/bg2.png") no-repeat center right/cover}
#user_page{background:url("../img/bg4.png") no-repeat center right/cover}
#request-submitted{background:url("../img/bg_f.png") no-repeat center right/cover}

/* Navigation */
.main-nav{display:flex;align-items:center;justify-content:space-between;padding:1rem 0}
.main-nav__logo{width:92px;height:78px;object-fit:contain;filter:drop-shadow(0 6px 12px rgba(0,0,0,.25))}
.main-nav__items{display:flex;align-items:center;gap:.75rem}
.nav-link{background:transparent;display:flex;align-items:center;gap:.5rem;padding:.6rem .85rem;border-radius:999px;color:#fff;border:1px solid transparent;transition:background-color .2s ease,border-color .2s ease}
.nav-link i{font-size:1.15rem}
.nav-link span{font-size:.95rem}
.nav-link:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.18)}
.nav-link.active{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.22)}

/* Hero content */
.hero{padding:7rem 0 3.5rem 0;display:grid;gap:1rem;max-width:720px}
.hero h1{margin:0;font-size:clamp(2.2rem,3vw,3.2rem);line-height:1.1;letter-spacing:-.02em}
.hero p{margin:0;color:rgba(255,255,255,.86);font-size:1.05rem}
.hero .hero-actions{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:1rem}

/* Sections */
.section{padding:4rem 0}
.section-title{margin:0 0 .75rem 0;font-size:1.7rem;letter-spacing:.02em}
.section-lead{margin:0 auto 2rem auto;max-width:70ch;color:var(--muted);font-size:1.05rem}

/* About overlay section */
.about-card{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);padding:1.5rem;box-shadow:0 10px 25px rgba(0,0,0,.18);backdrop-filter:blur(6px)}
.about-card p{color:rgba(255,255,255,.9);font-size:1.05rem;margin:0}


/* About (expanded content + animations) */
.section-lead--on-dark{color:rgba(255,255,255,.84)}
.about-wrap{position:relative}
.about-wrap::before,.about-wrap::after{content:"";position:absolute;z-index:0;width:320px;height:320px;border-radius:999px;filter:blur(30px);opacity:.22;pointer-events:none;animation:drift 10s ease-in-out infinite}
.about-wrap::before{left:-120px;top:30px;background:rgba(217,137,154,.65)}
.about-wrap::after{right:-140px;bottom:10px;background:rgba(255,255,255,.35);animation-delay:1.2s}

.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1rem}
.about-feature{position:relative;z-index:1;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);padding:1.25rem;box-shadow:0 10px 25px rgba(0,0,0,.18);backdrop-filter:blur(6px);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;overflow:hidden}
.about-feature:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.28);box-shadow:0 16px 34px rgba(0,0,0,.24)}
.about-feature__icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:rgba(217,137,154,.25);border:1px solid rgba(217,137,154,.45);margin-bottom:.75rem}
.about-feature__icon i{font-size:1.2rem;color:#fff;animation:pulse 3.2s ease-in-out infinite}
.about-feature h3{margin:.15rem 0 .35rem 0;font-size:1.1rem}
.about-feature p{margin:0;color:rgba(255,255,255,.88)}

.about-split{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:1rem;margin-top:1rem}
.about-panel{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);padding:1.25rem;box-shadow:0 10px 25px rgba(0,0,0,.18);backdrop-filter:blur(6px)}
.about-panel h3{margin:0 0 .75rem 0;font-size:1.12rem}

.about-steps{list-style:none;margin:0;padding:0;display:grid;gap:.9rem}
.about-steps li{display:flex;gap:.85rem;align-items:flex-start}
.step-dot{width:34px;height:34px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);display:grid;place-items:center;font-weight:800;flex:0 0 34px}
.about-steps strong{display:block}
.about-steps p{margin:.15rem 0 0 0;color:rgba(255,255,255,.86)}

.about-pills{display:flex;flex-wrap:wrap;gap:.5rem}
.about-pill{display:inline-flex;align-items:center;gap:.45rem;padding:.38rem .7rem;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.20);color:#fff;font-weight:700;font-size:.88rem}
.about-pill i{opacity:.95}

.about-note{margin:1rem 0 .6rem 0;padding:.65rem .8rem;border-radius:12px;background:rgba(0,0,0,.18);border:1px solid rgba(255,255,255,.14);color:rgba(255,255,255,.88)}
.about-note i{margin-right:.4rem}

.about-learnings{margin:.6rem 0 0 0;padding-left:1.1rem;color:rgba(255,255,255,.86)}
.about-learnings li{margin:.25rem 0}

.about-cta{position:relative;z-index:1;margin-top:1.5rem;display:flex;gap:.75rem;flex-wrap:wrap}

/* Scroll reveal (IntersectionObserver adds .is-visible) */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .7s ease,transform .7s ease;transition-delay:var(--delay,0ms)}
.reveal.is-visible{opacity:1;transform:translateY(0)}

@keyframes pulse{0%,100%{transform:translateY(0)}50%{transform:translateY(-2px)}}
@keyframes drift{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(14px,-10px) scale(1.02)}}

@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .about-feature__icon i{animation:none}
  .about-wrap::before,.about-wrap::after{animation:none}
}


/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;box-shadow:0 8px 18px rgba(0,0,0,.06)}
.stat .icon{font-size:1.35rem;color:var(--dark)}
.stat .label{margin-top:.6rem;color:var(--muted);font-weight:600}
.stat .value{font-size:1.6rem;font-weight:800;margin-top:.25rem;color:var(--dark)}

/* Models grid */
.items{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
.item{background:rgba(255,255,255,.92);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.item__image{background:linear-gradient(180deg,rgba(0,0,0,.04),rgba(0,0,0,0));padding:1rem}
.item__image img{height:220px;object-fit:contain;margin:0 auto}
.item__text{padding:1.25rem}
.item__text__category{margin:0;color:var(--muted);font-weight:700;letter-spacing:.04em}
.item__text__title{margin:.5rem 0 1rem 0;font-size:1rem;color:var(--text);line-height:1.65}
.item__text__title i{width:1.2rem;margin-right:.35rem;color:var(--dark)}
.badge{display:inline-flex;align-items:center;gap:.4rem;padding:.35rem .7rem;border-radius:999px;background:rgba(217,137,154,.15);border:1px solid rgba(217,137,154,.35);color:#7c2d3a;font-weight:700;font-size:.85rem}

/* Auth */
.auth-shell{min-height:calc(100vh - 140px);display:grid;place-items:center;padding:3rem 0}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.auth-card{width:min(420px,100%);padding:1.5rem}
.auth-card h2{margin:0 0 .4rem 0;color:var(--dark)}
.auth-card p{margin:0 0 1.25rem 0;color:var(--muted)}
.tabs{display:flex;background:rgba(15,23,42,.06);border-radius:999px;padding:.25rem;margin-bottom:1rem}
.tab{flex:1;text-align:center;padding:.55rem .75rem;border-radius:999px;font-weight:700;color:var(--muted);cursor:pointer;user-select:none}
.tab.active{background:#fff;color:var(--dark);box-shadow:0 8px 18px rgba(0,0,0,.06)}
.form{display:grid;gap:.8rem}
.input{display:grid;gap:.35rem}
.input label{font-size:.9rem;color:var(--muted);font-weight:700}
.input input{padding:.75rem .9rem;border-radius:12px;border:1px solid var(--border);background:#fff;font-size:1rem;outline:none}
.input input:focus{border-color:rgba(217,137,154,.65);box-shadow:0 0 0 4px rgba(217,137,154,.18)}
.help{font-size:.92rem;color:var(--muted)}
.alert{margin-top:.9rem;padding:.75rem .9rem;border-radius:12px;border:1px solid rgba(15,23,42,.12);background:rgba(255,255,255,.75);color:var(--dark)}
.alert.error{border-color:rgba(220,38,38,.35);background:rgba(220,38,38,.08)}
.alert.success{border-color:rgba(34,197,94,.35);background:rgba(34,197,94,.08)}

/* Dashboard + modal */
.dashboard{padding:2.5rem 0 3rem 0}
.dashboard-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-bottom:1.25rem}
.dashboard-head h2{margin:0;color:#fff}
.dashboard-head .pill{display:inline-flex;align-items:center;gap:.5rem;padding:.45rem .85rem;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.20);color:#fff}

.overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);backdrop-filter:blur(4px);z-index:50}
.modal{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);width:min(720px,92%);max-height:82vh;overflow:auto;background:#fff;border-radius:var(--radius);box-shadow:0 24px 60px rgba(0,0,0,.35);z-index:60;padding:1.5rem}
.modal-head{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.modal-head h3{margin:0}
.icon-btn{border:none;background:transparent;font-size:1.8rem;cursor:pointer;color:var(--dark)}
.modal-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1rem}
.modal-grid .form{gap:.75rem}
.modal-grid textarea{min-height:120px;resize:vertical}

/* Footer */
#main-footer{background:var(--dark);color:#fff}
.footer-content{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.25rem 0;flex-wrap:wrap}
.social{display:flex;gap:.6rem}
.social a{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:999px;border:1px solid rgba(255,255,255,.25);transition:background-color .2s ease,border-color .2s ease}
.social a:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.45)}

/* Responsive */
@media (max-width: 900px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .items{grid-template-columns:repeat(2,1fr)}
  .modal-grid{grid-template-columns:1fr}
  .about-grid{grid-template-columns:repeat(2,1fr)}
  .about-split{grid-template-columns:1fr}

}
@media (max-width: 560px){
  .main-nav{flex-direction:column;gap:.75rem}
  .main-nav__items{flex-wrap:wrap;justify-content:center}
  .nav-link span{display:none}
  .hero{padding-top:6rem}
  .stats{grid-template-columns:1fr}
  .items{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr}

}