:root{
  --ink:#17191d;
  --charcoal:#25282d;
  --slate:#5e6670;
  --stone:#e9e5de;
  --paper:#f6f4ef;
  --white:#fff;
  --accent:#a77a45;
  --line:rgba(23,25,29,.14)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans',sans-serif;line-height:1.6}
img{display:block;width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:'Manrope',sans-serif;margin:0}
h1{font-size:clamp(3.2rem,7vw,7.6rem);letter-spacing:-.055em;line-height:1.02}
h2{font-size:clamp(2.5rem,5vw,5rem);letter-spacing:-.045em;line-height:1.08}
h3{font-size:1.25rem;line-height:1.35}
em{font-style:normal;color:var(--accent)}
p{margin:0 0 1.2rem}
.eyebrow{text-transform:uppercase;letter-spacing:.18em;font-size:.72rem;font-weight:700;color:var(--accent);margin-bottom:1rem}

.site-header{position:fixed;z-index:30;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:1rem 4vw;background:rgba(246,244,239,.88);backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:.3s}
.site-header.scrolled{border-color:var(--line)}
.brand{display:flex;flex-direction:column;gap:.4rem;line-height:1.05}
.brand img{width:min(290px,42vw);height:auto}
.brand-tag{font-size:.66rem;text-transform:uppercase;letter-spacing:.15em;color:var(--slate);margin-left:.15rem}
.site-nav{display:flex;gap:1.8rem;align-items:center;font-size:.88rem;font-weight:600}
.nav-cta{border:1px solid var(--ink);padding:.7rem 1rem}
.nav-toggle{display:none;background:none;border:0;font-weight:700}

.hero{min-height:100vh;display:grid;grid-template-columns:1.15fr .85fr;padding:8.5rem 4vw 3rem;gap:5vw;align-items:center}
.hero h1{max-width:13ch;margin-bottom:1.25rem}
.hero-text{max-width:48rem;font-size:clamp(1.08rem,1.7vw,1.45rem);color:var(--slate);margin:0 0 2rem}
.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap}
.button{display:inline-flex;align-items:center;justify-content:center;padding:.9rem 1.3rem;border:1px solid transparent;font-weight:700;font-size:.88rem;transition:.25s;cursor:pointer}
.button-primary{background:var(--ink);color:var(--white)}
.button-primary:hover{background:var(--accent)}
.button-ghost{border-color:var(--line)}
.button-ghost:hover{border-color:var(--ink)}
.button-light{background:var(--white);color:var(--ink);margin-top:1.2rem}
.location{font-size:.76rem;text-transform:uppercase;letter-spacing:.12em;color:var(--slate);margin-top:2rem}
.hero-visual{position:relative;height:72vh;max-height:820px;overflow:hidden;background:#ddd}
.hero-visual img{height:100%;object-fit:cover;object-position:center 35%}
.impact-ring{position:absolute;width:190px;height:190px;border:1px solid rgba(255,255,255,.6);border-radius:50%;right:5%;top:10%;box-shadow:0 0 0 40px rgba(255,255,255,.07),0 0 0 80px rgba(255,255,255,.04)}

section{padding:8rem 7vw}
.section-heading{max-width:850px;margin-bottom:3rem}
.section-heading h2{margin-bottom:1rem}
.section-heading>p:last-child{max-width:720px;color:var(--slate);font-size:1.1rem;margin:0}
.video-section{background:var(--white)}
.video-frame{max-width:1200px;margin:auto;box-shadow:0 30px 70px rgba(0,0,0,.12)}
video{display:block;width:100%;background:#000}

.testimonial{padding:7rem 10vw;text-align:center;background:var(--stone)}
blockquote{font-family:'Manrope';font-size:clamp(2rem,4vw,4.4rem);letter-spacing:-.04em;line-height:1.15;max-width:1100px;margin:0 auto 1.5rem}
.testimonial p{text-transform:uppercase;letter-spacing:.15em;font-size:.75rem;font-weight:700;margin:0}

.idea-intro{max-width:1050px}
.idea-intro h2{margin-bottom:0}
.idea-grid{display:grid;grid-template-columns:1fr .78fr;gap:8vw;align-items:center;margin-top:5rem}
.idea-copy{font-size:1.13rem;color:var(--slate)}
.idea-image{height:650px;object-fit:cover}
.sequence{display:flex;align-items:center;gap:1rem;margin-top:5rem;text-transform:uppercase;letter-spacing:.13em;font-size:.72rem;font-weight:700;overflow:auto}
.sequence i{height:1px;background:var(--line);min-width:30px;flex:1}
.sequence strong{color:var(--accent)}

.dark-section{background:var(--charcoal);color:var(--white)}
.keynote{display:grid;grid-template-columns:1fr 1fr;gap:7vw;align-items:center}
.keynote-image img{height:640px;object-fit:cover}
.keynote-copy h2{margin-bottom:.8rem}
.keynote-copy h3{font-size:clamp(1.35rem,2vw,2rem);font-weight:500;color:#d7d9dc;margin:0 0 1.5rem}
.keynote-copy p{color:#bfc3c8}

.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
.card{background:var(--paper);padding:2rem;min-height:280px}
.card span{display:block;color:var(--accent);font-weight:800;margin-bottom:3rem}
.card h3{font-size:1.35rem;line-height:1.18;margin-bottom:1rem}
.card p{color:var(--slate)}

.audience-section{display:grid;grid-template-columns:1fr 1fr;gap:7vw;background:var(--white);align-items:center}
.audience-copy h2{margin-bottom:1rem}
.audience-copy>p:not(.eyebrow){color:var(--slate);font-size:1.07rem}
.tags{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:2rem}
.tags span{border:1px solid var(--line);padding:.55rem .75rem;font-size:.8rem}
.audience-image{height:620px;object-fit:cover}

.about{display:grid;grid-template-columns:.9fr 1.1fr;gap:7vw;align-items:center}
.about-photo img{height:630px;object-fit:cover}
.about-copy h2{margin-bottom:1rem}
.about-copy p{color:var(--slate);font-size:1.05rem}

.contact{background:var(--stone);display:grid;grid-template-columns:.85fr 1.15fr;gap:7vw}
.contact-copy h2{margin-bottom:1rem}
.contact-copy .small{font-size:.82rem;text-transform:uppercase;letter-spacing:.1em;color:var(--slate);margin-top:2rem;margin-bottom:1rem}
.contact-email{font-weight:700;margin:0}
.contact-email a{text-decoration:underline;text-underline-offset:.16em}
.contact-form{background:var(--white);padding:2rem}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
label{display:flex;flex-direction:column;gap:.45rem;font-size:.77rem;text-transform:uppercase;letter-spacing:.08em;font-weight:700;margin-bottom:1rem}
input,select,textarea{width:100%;border:1px solid var(--line);background:#fff;padding:.9rem;font:inherit;text-transform:none;letter-spacing:0}

footer{display:flex;justify-content:space-between;gap:2rem;background:var(--ink);color:var(--white);padding:2rem 4vw;font-size:.8rem}
footer div{display:flex;flex-direction:column}
.footer-brand img{width:min(320px,55vw);margin-bottom:.7rem}
footer span{color:#9da2a9}
footer a{margin-bottom:.35rem}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}
.reveal.visible{opacity:1;transform:none}

@media(max-width:900px){
  .site-nav{position:absolute;top:100%;left:0;right:0;background:var(--paper);padding:1rem 4vw;flex-direction:column;align-items:flex-start;display:none}
  .site-nav.open{display:flex}
  .nav-toggle{display:block}
  .hero,.idea-grid,.keynote,.audience-section,.about,.contact{grid-template-columns:1fr}
  .hero{padding-top:8rem}
  .hero-visual{height:62vh}
  .idea-image,.keynote-image img,.audience-image,.about-photo img{height:500px}
  .cards{grid-template-columns:1fr 1fr}
  .keynote-copy{padding-bottom:1rem}
  .sequence{gap:.65rem}
  .sequence span{white-space:nowrap}
}
@media(max-width:600px){
  section{padding:5.5rem 6vw}
  .site-header{padding:1rem 6vw}
  .hero{padding-left:6vw;padding-right:6vw}
  .brand img{width:210px}
  .brand-tag{font-size:.6rem}
  .hero-actions{flex-direction:column;align-items:stretch}
  .button{width:100%}
  .cards{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .testimonial{padding:5rem 6vw}
  .sequence{font-size:.62rem}
  .idea-image,.keynote-image img,.audience-image,.about-photo img{height:420px}
  footer{flex-direction:column}
}
.form-honeypot{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important;overflow:hidden!important}
.form-message{margin-bottom:1rem;padding:.9rem 1rem;border:1px solid var(--line);background:var(--paper);font-size:.9rem}
.form-message.error{border-color:#9d3d3d;color:#7b2424;background:#fff6f6}