/* Autumn AI Agency - shared landing-page styles.
   Deliberately dark on every device - no light-mode variant. */
:root{
  color-scheme:dark;
  --bg:#0B0B0D; --panel:#161618; --panel-2:#1D1D20;
  --text:#F4F4F2; --muted:#8A8A8E;
  --accent:#FF6A2B; --accent-2:#FF8A57;
  --border:rgba(244,244,242,0.08); --border-strong:rgba(244,244,242,0.14);
  --ok:#39B37B;
  --radius:16px; --shadow:0 20px 60px rgba(0,0,0,0.4);
  --s1:8px; --s2:16px; --s3:24px; --s4:32px; --s5:48px; --s6:64px; --s7:96px;
  --max:1080px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'Inter',system-ui,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:'Inter Tight','Inter',system-ui,sans-serif;letter-spacing:-0.02em;line-height:1.12;font-weight:700;text-wrap:balance}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--s3)}
section{padding:var(--s7) 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:var(--s2)}
.eyebrow::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(255,106,43,.15)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:'Inter Tight','Inter',sans-serif;font-weight:700;font-size:.95rem;padding:14px 26px;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:transform .25s,box-shadow .25s,background .25s,color .25s;white-space:nowrap}
.btn-primary{background:linear-gradient(180deg,var(--accent-2),var(--accent));color:#100905;box-shadow:0 8px 24px rgba(255,106,43,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,106,43,.4)}
.btn-ghost{background:transparent;border:1px solid var(--border-strong);color:var(--text)}
.btn-ghost:hover{background:var(--panel-2);border-color:var(--accent)}
.btn-small{padding:10px 18px;font-size:.85rem}
a:focus-visible,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

header.nav{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:14px var(--s3);max-width:var(--max);margin:0 auto}
.logo{display:flex;align-items:center;gap:10px;font-family:'Inter Tight',sans-serif;font-weight:800;font-size:1.02rem}
.logo svg,.logo .mark{width:26px;height:26px;flex-shrink:0}
.logo .ai{color:var(--accent)}
.nav a.back{font-size:.88rem;color:var(--muted)}
.nav a.back:hover{color:var(--text)}

.hero{padding-top:var(--s7);padding-bottom:var(--s6);position:relative}
.hero::before{content:'';position:absolute;top:-140px;right:-220px;width:620px;height:620px;background:radial-gradient(circle,rgba(255,106,43,.2),transparent 70%);filter:blur(10px);pointer-events:none;z-index:0}
.hero-inner{position:relative;z-index:1;max-width:720px}
.hero h1{font-size:clamp(2.3rem,6vw,3.9rem);margin-bottom:var(--s3)}
.hero h1 span{color:var(--accent)}
.hero p.lead{font-size:clamp(1.05rem,2vw,1.24rem);color:var(--muted);max-width:580px;margin-bottom:var(--s4)}
.hero-cta{display:flex;flex-wrap:wrap;gap:var(--s3);align-items:center;margin-bottom:var(--s4)}
.trust{display:flex;flex-wrap:wrap;gap:var(--s4);color:var(--muted);font-size:.88rem;font-weight:500}
.trust strong{color:var(--text)}
.trust .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;margin-right:8px}

.section-head{max-width:640px;margin-bottom:var(--s5)}
.section-head h2{font-size:clamp(1.7rem,4vw,2.5rem);margin-bottom:var(--s2)}
.section-head p{color:var(--muted);font-size:1.04rem}

/* numbered start-to-finish steps */
.steps{display:grid;gap:var(--s3);counter-reset:step}
@media(min-width:760px){.steps{grid-template-columns:1fr 1fr}}
.step{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:var(--s4);position:relative}
.step::before{counter-increment:step;content:counter(step);position:absolute;top:var(--s4);right:var(--s4);font-family:'Inter Tight',sans-serif;font-weight:800;font-size:1.5rem;color:var(--accent);opacity:.5}
.step h3{font-size:1.1rem;margin-bottom:8px;max-width:80%}
.step p{color:var(--muted);font-size:.94rem}

/* what's included / pricing tiers */
.tiers{display:grid;gap:var(--s3);margin-top:var(--s4)}
@media(min-width:760px){.tiers{grid-template-columns:1fr 1fr}}
.tier{border:1px solid var(--border);border-radius:var(--radius);padding:var(--s4);background:var(--panel);display:flex;flex-direction:column}
.tier.featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}
.tier .tname{font-size:1.05rem;font-weight:600}
.tier .tprice{font-size:2rem;font-weight:700;line-height:1;margin:8px 0 var(--s2);font-family:'Inter Tight',sans-serif}
.tier .tprice span{font-size:.9rem;font-weight:400;color:var(--muted)}
.tier ul{list-style:none;display:flex;flex-direction:column;gap:9px;margin:var(--s2) 0 var(--s3)}
.tier li{font-size:.92rem;color:var(--muted);padding-left:20px;position:relative}
.tier li::before{content:'';position:absolute;left:0;top:.55em;width:7px;height:7px;border-radius:2px;background:var(--accent)}
.tier .btn{margin-top:auto}

/* guarantee callout */
.guarantee{background:linear-gradient(160deg,rgba(57,179,123,.1),rgba(57,179,123,.03));border:1px solid rgba(57,179,123,.28);border-radius:var(--radius);padding:var(--s5)}
.guarantee h2{font-size:clamp(1.5rem,3.5vw,2rem);margin-bottom:var(--s3)}
.guarantee ul{list-style:none;display:grid;gap:var(--s2)}
@media(min-width:760px){.guarantee ul{grid-template-columns:1fr 1fr}}
.guarantee li{padding-left:32px;position:relative;font-size:.98rem}
.guarantee li::before{content:'';position:absolute;left:0;top:2px;width:20px;height:20px;border-radius:50%;background:var(--ok);
  -webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/16px no-repeat;
  mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/16px no-repeat}
.guarantee li strong{display:block;font-weight:600}
.guarantee li span{color:var(--muted);font-size:.9rem}

/* faq */
.faq details{border-bottom:1px solid var(--border);padding:var(--s3) 0}
.faq summary{font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:var(--s3);font-size:1.02rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';color:var(--accent);font-weight:700;font-size:1.3rem;line-height:1}
.faq details[open] summary::after{content:'\2013'}
.faq details p{color:var(--muted);margin-top:var(--s2);font-size:.96rem}

/* closing cta band */
.cta-band{background:var(--panel);border:1px solid var(--border-strong);border-radius:var(--radius);padding:var(--s6);text-align:center}
.cta-band h2{font-size:clamp(1.7rem,4vw,2.4rem);margin-bottom:var(--s3)}
.cta-band p{color:var(--muted);max-width:520px;margin:0 auto var(--s4)}

.note{color:var(--muted);font-size:.85rem;margin-top:var(--s3);max-width:640px}

footer.foot{border-top:1px solid var(--border);padding:var(--s5) 0;color:var(--muted);font-size:.85rem}
.foot-inner{max-width:var(--max);margin:0 auto;padding:0 var(--s3);display:flex;flex-wrap:wrap;gap:var(--s3);justify-content:space-between;align-items:center}

.js .fade-up{opacity:0;transform:translateY(22px);transition:opacity .7s,transform .7s}
.fade-up.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.js .fade-up{opacity:1!important;transform:none!important}}