/* ===== CSS Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --sage:#4A7C59;--sage-light:#6B9E7E;--sage-dark:#365E43;
  --terra:#C65D3B;--terra-light:#E07A5F;
  --sand:#FFF8F0;--sand-dark:#F0E6D6;--sand-deeper:#E8DFD4;
  --ink:#2C2420;--ink-light:#5C534D;--ink-muted:#8A7E76;
  --white:#FFFFFF;
  --radius:12px;--radius-sm:8px;--radius-xs:4px;
  --shadow:0 2px 8px rgba(44,36,32,.08);--shadow-lg:0 8px 32px rgba(44,36,32,.12);
  --max-width:1120px;
  --font:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  --font-mono:'SF Mono',SFMono-Regular,Consolas,'Liberation Mono',Menlo,monospace;
}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--sand);line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;height:auto}
button,input,select,textarea{font-family:inherit;font-size:inherit}
a{color:var(--sage);text-decoration:none}
a:hover{color:var(--sage-dark);text-decoration:underline}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 20px}

/* ===== Header ===== */
.site-header{background:var(--white);border-bottom:1px solid var(--sand-deeper);position:sticky;top:0;z-index:100;box-shadow:var(--shadow)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink)}
.logo:hover{text-decoration:none;color:var(--sage-dark)}
.logo-text{font-weight:700;font-size:1.1rem}
.site-nav{display:flex;gap:20px}
.site-nav a{font-size:.9rem;color:var(--ink-light);text-decoration:none;font-weight:500;transition:color .15s}
.site-nav a:hover{color:var(--sage);text-decoration:none}

/* ===== Hero ===== */
.hero{background:linear-gradient(135deg,var(--sage) 0%,var(--sage-dark) 100%);color:var(--white);padding:60px 0;text-align:center}
.hero h1{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;line-height:1.2;margin-bottom:12px}
.hero-sub{font-size:1.1rem;opacity:.9;max-width:560px;margin:0 auto 24px}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:var(--radius-sm);font-weight:600;font-size:.95rem;cursor:pointer;border:2px solid transparent;transition:all .15s;text-decoration:none;line-height:1.3}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--terra);color:var(--white);border-color:var(--terra)}
.btn-primary:hover{background:var(--terra-light);border-color:var(--terra-light);color:var(--white)}
.btn-sm{padding:6px 14px;font-size:.85rem}
.btn-lg{padding:14px 28px;font-size:1.05rem}
.btn-outline{background:transparent;color:var(--sage);border-color:var(--sage)}
.btn-outline:hover{background:var(--sage);color:var(--white)}

/* ===== Planner Section ===== */
.planner-section{padding:48px 0}
.planner-layout{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.planner-inputs{background:var(--white);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.planner-inputs h2{font-size:1.4rem;margin-bottom:20px;color:var(--ink)}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-weight:600;font-size:.9rem;margin-bottom:4px;color:var(--ink)}
.form-group input,.form-group select{width:100%;padding:10px 12px;border:2px solid var(--sand-deeper);border-radius:var(--radius-sm);background:var(--sand);color:var(--ink);transition:border-color .15s}
.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--sage);box-shadow:0 0 0 3px rgba(74,124,89,.15)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.interest-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;gap:4px;padding:6px 12px;background:var(--sand);border:2px solid var(--sand-deeper);border-radius:20px;font-size:.85rem;cursor:pointer;transition:all .15s;user-select:none}
.tag:hover{border-color:var(--sage-light)}
.tag input{position:absolute;opacity:0;width:0;height:0}
.tag:has(input:checked){background:var(--sage);border-color:var(--sage);color:var(--white)}
.presets{margin:16px 0;display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.presets-label{font-size:.85rem;font-weight:600;color:var(--ink-muted)}
.btn-generate{width:100%;margin-top:8px;padding:14px;font-size:1.05rem}

/* ===== Itinerary Panel ===== */
.planner-output{background:var(--white);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);position:sticky;top:80px;max-height:calc(100vh - 100px);overflow-y:auto}
.itinerary-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.itinerary-header h2{font-size:1.3rem}
.itinerary-actions{display:flex;gap:6px}
.empty-state{text-align:center;padding:40px 20px;color:var(--ink-muted)}
.empty-state svg{margin-bottom:12px}
.empty-state p{font-size:.95rem}

/* Timeline */
.timeline{list-style:none;padding:0;margin:0}
.timeline li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--sand-deeper)}
.timeline li:last-child{border-bottom:none}
.timeline time{flex-shrink:0;width:56px;font-weight:700;font-size:.85rem;color:var(--sage);padding-top:1px}
.timeline .stop-info{flex:1}
.timeline .stop-name{font-weight:600;font-size:.95rem}
.timeline .stop-type{font-size:.8rem;color:var(--ink-muted);text-transform:uppercase;letter-spacing:.5px}
.timeline .stop-notes{font-size:.85rem;color:var(--ink-light);margin-top:2px}
.timeline .stop-actions{flex-shrink:0;display:flex;gap:4px;align-items:start}
.timeline .stop-actions button{background:none;border:none;cursor:pointer;padding:4px;color:var(--ink-muted);border-radius:var(--radius-xs);transition:all .15s;font-size:.85rem}
.timeline .stop-actions button:hover{background:var(--sand);color:var(--ink)}
.timeline .drive-segment{display:flex;align-items:center;gap:8px;padding:4px 0;font-size:.8rem;color:var(--ink-muted)}
.timeline .drive-segment::before{content:'';flex:1;height:2px;background:var(--sand-deeper)}
.timeline .drive-segment::after{content:'';flex:1;height:2px;background:var(--sand-deeper)}
.timeline .buffer-block{background:var(--sand);border-radius:var(--radius-sm);padding:8px 12px;margin:4px 0;font-size:.85rem;color:var(--ink-light);border-left:3px solid var(--sage-light)}

/* Add stop form */
.add-stop-form{background:var(--sand);border-radius:var(--radius-sm);padding:16px;margin-top:12px;display:grid;gap:10px}
.add-stop-form .form-group{margin-bottom:0}
.add-stop-form .add-stop-actions{display:flex;gap:8px;justify-content:flex-end}

/* ===== Section Styles ===== */
.how-section,.examples-section,.tips-section,.faq-section{padding:48px 0}
.how-section{background:var(--white)}
.examples-section{background:var(--sand)}
.tips-section{background:var(--sand-dark)}
section h2{font-size:1.6rem;margin-bottom:8px;text-align:center}
.section-sub{text-align:center;color:var(--ink-muted);font-size:1rem;margin-bottom:32px;max-width:600px;margin-left:auto;margin-right:auto}

/* Steps Grid */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:40px}
.step-card{background:var(--sand);border-radius:var(--radius);padding:24px;text-align:center}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--sage);color:var(--white);font-weight:700;margin-bottom:12px}
.step-card h3{font-size:1.1rem;margin-bottom:8px}
.step-card p{font-size:.9rem;color:var(--ink-light)}

/* Assumptions Box */
.assumptions-box{background:var(--sand);border-radius:var(--radius);padding:24px;border-left:4px solid var(--terra)}
.assumptions-box h3{font-size:1.1rem;margin-bottom:12px}
.assumptions-box ul{padding-left:20px}
.assumptions-box li{margin-bottom:8px;font-size:.9rem;color:var(--ink-light)}

/* Examples */
.example-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.example-card{background:var(--white);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.example-badge{display:inline-block;background:var(--sage);color:var(--white);padding:4px 12px;border-radius:20px;font-size:.8rem;font-weight:600;margin-bottom:12px}
.example-card h3{font-size:1.1rem;margin-bottom:12px}
.example-timeline{list-style:none;padding:0;margin:0 0 12px}
.example-timeline li{display:flex;gap:10px;padding:6px 0;font-size:.9rem;border-bottom:1px solid var(--sand-deeper)}
.example-timeline li:last-child{border-bottom:none}
.example-timeline time{font-weight:700;color:var(--sage);flex-shrink:0;width:56px}
.example-note{font-size:.85rem;color:var(--ink-muted);font-style:italic}

/* Tips Grid */
.tips-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:32px}
.tip-card{background:var(--white);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.tip-card h3{font-size:1rem;margin-bottom:8px;color:var(--terra)}
.tip-card p{font-size:.9rem;color:var(--ink-light)}

/* Supply Spotlight */
.supply-spotlight{background:var(--white);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);text-align:center}
.supply-spotlight h3{font-size:1.1rem;margin-bottom:8px}
.supply-spotlight p{font-size:.9rem;color:var(--ink-light);margin-bottom:12px;max-width:500px;margin-left:auto;margin-right:auto}

/* FAQ */
.faq-list{max-width:720px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--sand-deeper)}
.faq-toggle{width:100%;text-align:left;padding:16px 0;background:none;border:none;font-size:1rem;font-weight:600;color:var(--ink);cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px}
.faq-toggle::after{content:'+';font-size:1.3rem;color:var(--sage);flex-shrink:0;transition:transform .2s}
.faq-toggle[aria-expanded="true"]::after{transform:rotate(45deg)}
.faq-toggle:hover{color:var(--sage)}
.faq-item dd{padding:0 0 16px;font-size:.95rem;color:var(--ink-light);line-height:1.6}

/* ===== Footer ===== */
.site-footer{background:var(--ink);color:var(--sand-dark);padding:40px 0 20px;margin-top:48px}
.footer-top{display:grid;grid-template-columns:1fr 2fr;gap:32px;margin-bottom:24px}
.footer-brand .logo-text{color:var(--white);font-size:1.1rem;font-weight:700}
.footer-brand p{margin-top:8px;font-size:.9rem;color:var(--ink-muted)}
.footer-nav{display:flex;flex-wrap:wrap;gap:16px;justify-content:flex-end;align-items:start}
.footer-nav a{color:var(--sand-dark);font-size:.85rem;text-decoration:none}
.footer-nav a:hover{color:var(--white)}
.footer-bottom{border-top:1px solid rgba(255,248,240,.1);padding-top:16px;text-align:center;font-size:.8rem;color:var(--ink-muted)}
.footer-bottom a{color:var(--sand-dark)}

/* ===== Print Styles ===== */
@media print{
  .site-header,.site-footer,.planner-inputs,.itinerary-actions,.btn-add-stop,.faq-section,.tips-section,.examples-section,.how-section,.supply-spotlight,.hero .btn{display:none!important}
  .hero{background:none;color:var(--ink);padding:20px 0}
  .hero h1{font-size:1.6rem}
  .planner-section{padding:0}
  .planner-layout{display:block}
  .planner-output{box-shadow:none;padding:0;position:static;max-height:none;overflow:visible}
  .itinerary-header{display:block}
  body{background:var(--white)}
}

/* ===== Responsive ===== */
@media(max-width:900px){
  .planner-layout{grid-template-columns:1fr}
  .planner-output{position:static;max-height:none}
  .steps-grid,.example-grid,.tips-grid{grid-template-columns:1fr 1fr}
  .footer-top{grid-template-columns:1fr}
  .footer-nav{justify-content:flex-start}
}
@media(max-width:600px){
  .site-header .container{flex-wrap:wrap;height:auto;padding:10px 20px;gap:8px}
  .site-nav{gap:12px;flex-wrap:wrap}
  .site-nav a{font-size:.8rem}
  .hero{padding:40px 0}
  .form-row{grid-template-columns:1fr}
  .steps-grid,.example-grid,.tips-grid{grid-template-columns:1fr}
  .planner-inputs,.planner-output{padding:20px}
  .presets{flex-direction:column;align-items:stretch}
  .presets-label{margin-bottom:4px}
}

/* ===== Toast ===== */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(100px);background:var(--ink);color:var(--white);padding:12px 24px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:500;box-shadow:var(--shadow-lg);transition:transform .3s ease;z-index:200;white-space:nowrap}
.toast.show{transform:translateX(-50%) translateY(0)}



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}