/* ═══════════════════════════════════════════════
   MapWhirl AI — Orange Theme (v2) Shared Styles
   Instrument Serif + DM Sans · #f5a623 primary
   ═══════════════════════════════════════════════ */

:root,[data-theme="dark"]{
  --bg:#0a0a0a;
  --surface:#111111;
  --surface-2:#161616;
  --surface-3:#1c1c1c;
  --surface-off:rgba(255,255,255,.02);
  --border:rgba(255,255,255,0.07);
  --divider:rgba(255,255,255,.04);
  --text:#f0ede8;
  --text-secondary:#c5c0b5;
  --text-muted:#8a8680;
  --text-faint:#3e3b38;
  --primary:#f5a623;
  --primary-hover:#e09010;
  --yellow:#ffd340;
  --amber:#ff7c2a;
  --green:#00e676;
  --error:#f44;
  --radius-sm:.375rem;
  --radius-md:.5rem;
  --radius-lg:.75rem;
  --radius-xl:1rem;
  --shadow-sm:0 1px 3px rgba(0,0,0,.5);
  --shadow-md:0 4px 20px rgba(0,0,0,.6);
  --shadow-lg:0 12px 48px rgba(0,0,0,.7);
  --font-display:"Instrument Serif",Georgia,serif;
  --font-body:"DM Sans","Helvetica Neue",sans-serif;
  --text-xs:clamp(.75rem,.7rem + .25vw,.875rem);
  --text-sm:clamp(.875rem,.8rem + .35vw,1rem);
  --text-base:clamp(1rem,.95rem + .25vw,1.125rem);
  --text-lg:clamp(1.125rem,1rem + .75vw,1.5rem);
  --text-xl:clamp(1.5rem,1.2rem + 1.25vw,2.25rem);
  --text-2xl:clamp(2rem,1.2rem + 2.5vw,3.5rem);
  --transition:.18s ease;
}
[data-theme="light"]{
  --bg:#faf8f5;
  --surface:#ffffff;
  --surface-2:#f5f1eb;
  --surface-3:#ede8df;
  --surface-off:rgba(0,0,0,.02);
  --border:rgba(0,0,0,0.08);
  --divider:rgba(0,0,0,.04);
  --text:#1c1a16;
  --text-secondary:#4a463e;
  --text-muted:#5c574f;
  --text-faint:#b0a898;
  --primary:#c06a10;
  --primary-hover:#a05508;
  --yellow:#d4a017;
  --amber:#c04a10;
}

/* RESET */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;scroll-padding-top:72px}
body{min-height:100dvh;font-family:var(--font-body);font-size:var(--text-base);color:var(--text);background:var(--bg);line-height:1.65}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{cursor:pointer;border:none;background:none;font:inherit;color:inherit}

/* LAYOUT */
.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}
.container--narrow{max-width:780px}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(10,10,10,.88);backdrop-filter:blur(18px);border-bottom:1px solid var(--border);transition:box-shadow .3s}
.nav.scrolled{box-shadow:0 2px 24px rgba(0,0,0,.6)}
.nav__inner{max-width:1200px;margin:0 auto;padding:0 1.5rem;height:68px;display:flex;align-items:center;gap:2rem}
.logo{display:flex;align-items:center;gap:.6rem;font-family:var(--font-display);font-size:1.25rem;color:var(--text)}
.logo em{font-style:italic;color:var(--primary)}
.nav__back{display:flex;align-items:center;gap:.4rem;font-size:var(--text-sm);color:var(--text-muted);margin-left:auto;transition:color var(--transition)}
.nav__back:hover{color:var(--primary)}
.nav__right{display:flex;align-items:center;gap:.75rem;margin-left:auto}
.nav__back ~ .nav__right{margin-left:0}
.icon-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:all var(--transition)}
.icon-btn:hover{border-color:var(--primary);color:var(--primary)}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-size:var(--text-sm);font-weight:600;border-radius:var(--radius-md);padding:.5rem 1.2rem;transition:all var(--transition);cursor:pointer;border:none}
.btn-primary{background:var(--primary);color:#0a0a0a;font-weight:700}
.btn-primary:hover{background:var(--primary-hover)}
.btn-ghost{border:1px solid var(--border);color:var(--text-muted);background:none}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-lg{padding:.7rem 1.6rem;font-size:var(--text-base)}

/* SECTION LABELS */
.sec-label{display:inline-flex;align-items:center;gap:.4rem;font-size:var(--text-xs);color:var(--primary);text-transform:uppercase;letter-spacing:.08em;font-weight:700;margin-bottom:.75rem}
.sec-title{font-family:var(--font-display);font-size:var(--text-2xl);line-height:1.15;margin-bottom:1rem;max-width:20ch}
.sec-title em{font-style:italic;color:var(--primary)}

/* APP HERO */
.app-hero{padding:clamp(6rem,10vw,8rem) 0 clamp(3rem,6vw,5rem)}
.app-hero__inner{display:flex;align-items:center;justify-content:space-between;gap:3rem}
.app-hero__meta{display:flex;gap:.5rem;margin-bottom:1rem}
.meta-tag{font-size:var(--text-xs);font-weight:700;padding:.2rem .65rem;border-radius:9999px;letter-spacing:.03em}
.meta-tag--live{background:rgba(0,230,118,.12);color:var(--green)}
.meta-tag--domain{background:rgba(245,166,35,.1);color:var(--primary)}
.app-hero__sub{font-size:var(--text-lg);color:var(--text-muted);max-width:52ch;line-height:1.75}
.app-hero__icon{width:96px;height:96px;background:rgba(245,166,35,.08);border:1px solid rgba(245,166,35,.15);border-radius:var(--radius-xl);display:flex;align-items:center;justify-content:center;color:var(--primary);flex-shrink:0}

/* FEATURE GRID */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(260px,100%),1fr));gap:1.25rem}
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);padding:1.5rem;transition:box-shadow .22s,border-color .22s}
.feature-card:hover{box-shadow:var(--shadow-md);border-color:rgba(245,166,35,.2)}
.feature-card__icon{width:40px;height:40px;background:rgba(245,166,35,.1);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:var(--primary);margin-bottom:.75rem}
.feature-card__title{font-size:var(--text-base);font-weight:700;margin-bottom:.35rem}
.feature-card__desc{font-size:var(--text-sm);color:var(--text-muted);line-height:1.7}

/* DEMO SHELL */
.demo-shell{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-lg)}
.demo-shell__bar{display:flex;align-items:center;gap:.5rem;padding:.6rem 1rem;background:var(--surface-2);border-bottom:1px solid var(--border)}
.demo-dot{width:10px;height:10px;border-radius:50%}
.demo-dot--red{background:#ff5f57}
.demo-dot--yellow{background:#febc2e}
.demo-dot--green{background:#28c840}
.demo-shell__title{margin-left:.5rem;font-size:var(--text-xs);color:var(--text-faint);font-weight:600}

/* CTA SECTION */
.cta-section{padding:clamp(3rem,6vw,5rem) 0}
.cta-section__inner{text-align:center;max-width:640px;margin:0 auto}
.cta-section__inner h2{font-family:var(--font-display);font-size:var(--text-xl);margin-bottom:1rem}
.cta-section__inner h2 em{font-style:italic;color:var(--primary)}
.cta-section__inner p{color:var(--text-muted);line-height:1.8;margin-bottom:1.5rem}
.cta-section__btns{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* FORM INPUT */
.form-input{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-md);padding:.6rem 1rem;font:inherit;font-size:var(--text-sm);color:var(--text);transition:border-color var(--transition);width:100%}
.form-input:focus{outline:none;border-color:var(--primary)}

/* FOOTER */
.footer{background:var(--surface);border-top:1px solid var(--border);padding:2.5rem 0}
.footer__inner{max-width:1200px;margin:0 auto;padding:0 1.5rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem}
.footer__logo{font-family:var(--font-display);font-size:1.1rem;display:flex;align-items:center;gap:.5rem;color:var(--text-muted)}
.footer__logo em{font-style:italic;color:var(--primary)}
.footer__links{display:flex;gap:2rem}
.footer__links a{font-size:var(--text-sm);color:var(--text-faint);transition:color var(--transition)}
.footer__links a:hover{color:var(--primary)}
.footer__copy{font-size:var(--text-xs);color:var(--text-faint)}

/* RESPONSIVE */
@media(max-width:768px){
  .app-hero__inner{flex-direction:column;text-align:center}
  .app-hero__icon{margin:0 auto}
  .feature-grid{grid-template-columns:1fr}
  .footer__inner{flex-direction:column;text-align:center}
}
</style>