/* ============================================================
   AI-Native Companies Masterclass — conversion landing page
   Brand: cream + orange + Helvetica Neue (matches the deck)
   ============================================================ */

:root {
  --cream:   #F2EFE6;
  --ink:     #161310;
  --muted:   #6E6A60;
  --orange:  #FE5E2D;
  --orange-dark: #E8501F;
  --tint:    #FFE5D6;
  --card:    #E8E3D5;
  --rule:    #D4CEBC;
  --white:   #FFFFFF;
  --maxw:    1080px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }
.center { text-align: center; }
.accent { color: var(--orange); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-weight: 700;
  text-decoration: none;
  border-radius: 8px;
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
  white-space: nowrap;
  line-height: 1;
}
.btn--primary { background: var(--orange); color: var(--white); padding: 14px 24px; box-shadow: 0 6px 18px rgba(254,94,45,.28); }
.btn--primary:hover { background: var(--orange-dark); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(254,94,45,.36); }
.btn--ghost { background: transparent; color: var(--ink); padding: 14px 24px; border: 2px solid var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--cream); }
.btn--sm { padding: 9px 16px; font-size: 14px; border-radius: 6px; }
.btn--lg { padding: 16px 30px; font-size: 17px; }
.btn--xl { padding: 20px 40px; font-size: 20px; }

/* ---------- Sticky nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(242,239,230,.88);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--rule);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.nav__brand { font-weight: 700; font-size: 16px; text-decoration: none; color: var(--orange); }
.nav__links { display: flex; align-items: center; gap: 26px; }
.nav__links a { text-decoration: none; font-size: 14px; font-weight: 600; color: var(--ink); }
.nav__links a:hover { color: var(--orange); }

/* ---------- Hero ---------- */
.hero { background: var(--orange); color: var(--white); padding: 88px 0 78px; }
.hero__inner { text-align: center; max-width: 880px; }
.hero__eyebrow { font-size: 13px; font-weight: 700; letter-spacing: .22em; color: var(--tint); margin-bottom: 22px; }
.hero__title { font-size: 60px; line-height: 1.02; font-weight: 800; letter-spacing: -0.03em; }
.hero__title .accent { color: var(--ink); }
.hero__subtitle { font-size: 19px; line-height: 1.5; margin: 26px auto 0; max-width: 680px; color: var(--white); }
.hero__ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 34px; }
.hero .btn--ghost { color: var(--white); border-color: var(--white); }
.hero .btn--ghost:hover { background: var(--white); color: var(--orange); }
.hero__trust { margin-top: 28px; font-size: 13px; font-weight: 600; color: var(--tint); letter-spacing: .02em; }

/* ---------- Logo strip ---------- */
.strip { background: var(--ink); color: var(--cream); padding: 22px 0; }
.strip__label { text-align: center; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: #b8b2a4; margin-bottom: 12px; }
.strip__logos { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 12px 26px; font-weight: 700; font-size: 17px; letter-spacing: .01em; }
.strip__logos span { color: var(--cream); opacity: .92; }
.strip__sep { color: var(--orange) !important; font-weight: 600; font-size: 13px; opacity: 1 !important; }

/* ---------- Sections ---------- */
.section { padding: 76px 0; }
.section--light { background: var(--cream); }
.section--cream { background: #ECE8DC; }
.section--dark { background: var(--ink); color: var(--cream); }
.kicker { font-size: 12px; font-weight: 700; letter-spacing: .22em; color: var(--orange); margin-bottom: 14px; }
.section__title { font-size: 40px; line-height: 1.08; font-weight: 800; letter-spacing: -0.02em; }
.section__title.light { color: var(--white); }
.section__sub { font-size: 18px; color: var(--muted); margin: 16px auto 0; max-width: 680px; line-height: 1.55; }
.section--dark .section__sub { color: #c9c3b6; }

/* problem lede */
.lede { font-size: 21px; line-height: 1.55; margin-top: 18px; }
.lede em { font-style: normal; color: var(--orange); font-weight: 700; }
.lede--punch { font-weight: 700; }

/* ---------- 3 cards (who it's for) ---------- */
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; }
.card { background: var(--cream); border: 1px solid var(--rule); border-top: 5px solid var(--orange); border-radius: 10px; padding: 28px 24px; }
.card h3 { font-size: 20px; font-weight: 800; margin-bottom: 10px; }
.card p { font-size: 15.5px; color: var(--muted); line-height: 1.55; }

/* ---------- 6-grid functions ---------- */
.grid-6 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 44px; }
.fn { background: var(--cream); border-left: 4px solid var(--orange); border-radius: 8px; padding: 20px 22px; }
.fn h4 { font-size: 16px; font-weight: 800; color: var(--orange-dark); margin-bottom: 6px; }
.fn p { font-size: 14.5px; color: var(--muted); line-height: 1.5; }

/* ---------- Outcomes (dark) ---------- */
.outs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 46px; }
.out { background: #211c18; border-radius: 10px; padding: 28px 22px; text-align: center; }
.out__n { font-size: 34px; font-weight: 800; color: var(--orange); letter-spacing: -0.02em; margin-bottom: 10px; }
.out p { font-size: 14.5px; color: #c9c3b6; line-height: 1.5; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--cream); padding: 60px 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.cta-band__inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.cta-band h2 { font-size: 30px; font-weight: 800; letter-spacing: -0.02em; line-height: 1.15; }

/* ---------- Proof ---------- */
.proof-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 44px; }
.proof { background: var(--cream); border: 1px solid var(--rule); border-top: 5px solid var(--orange); border-radius: 10px; padding: 26px 26px; }
.proof h3 { font-size: 19px; font-weight: 800; margin-bottom: 8px; color: var(--orange-dark); }
.proof p { font-size: 15.5px; color: var(--muted); line-height: 1.55; }
.proof strong { color: var(--ink); }

/* ---------- Ladder ---------- */
.ladder { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; }
.rung { background: var(--cream); border: 1px solid var(--rule); border-top: 5px solid var(--orange); border-radius: 10px; padding: 28px 24px; }
.rung--feature { background: var(--ink); color: var(--cream); border-color: var(--ink); }
.rung__step { font-size: 11px; font-weight: 700; letter-spacing: .16em; color: var(--orange); margin-bottom: 8px; }
.rung h3 { font-size: 26px; font-weight: 800; margin-bottom: 6px; }
.rung__meta { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin-bottom: 14px; }
.rung--feature .rung__meta { color: var(--tint); }
.rung p { font-size: 15px; line-height: 1.55; color: var(--muted); }
.rung--feature p { color: var(--cream); }
.rung em { font-style: normal; color: var(--orange); font-weight: 700; }
.rung--feature em { color: var(--tint); }
.ladder__note { text-align: center; margin-top: 26px; font-size: 16px; color: var(--muted); }
.ladder__note a { color: var(--orange); font-weight: 700; text-decoration: none; }
.ladder__note a:hover { text-decoration: underline; }

/* ---------- Why Alexis ---------- */
.who { display: grid; grid-template-columns: 300px 1fr; gap: 48px; align-items: center; }
.who__photo img { border-radius: 50%; border: 5px solid var(--orange); width: 300px; height: 300px; object-fit: cover; }
.who__role { font-size: 17px; font-weight: 700; color: var(--orange-dark); margin: 6px 0 18px; }
.who__list { list-style: none; }
.who__list li { font-size: 16px; line-height: 1.5; color: var(--ink); padding-left: 22px; position: relative; margin-bottom: 12px; }
.who__list li::before { content: "▸"; position: absolute; left: 0; color: var(--orange); }
.who__list em { font-style: normal; color: var(--orange-dark); font-weight: 700; }

/* ---------- FAQ ---------- */
.section details { border-bottom: 1px solid var(--rule); padding: 18px 4px; }
.section details summary { font-size: 18px; font-weight: 700; cursor: pointer; list-style: none; position: relative; padding-right: 32px; }
.section details summary::-webkit-details-marker { display: none; }
.section details summary::after { content: "+"; position: absolute; right: 4px; top: -2px; font-size: 24px; color: var(--orange); font-weight: 400; }
.section details[open] summary::after { content: "–"; }
.section details p { font-size: 16px; color: var(--muted); line-height: 1.6; margin-top: 12px; }

/* ---------- Final CTA ---------- */
.final { background: var(--orange); color: var(--white); padding: 90px 0; text-align: center; }
.final .kicker { color: var(--ink); }
.final h2 { font-size: 46px; font-weight: 800; line-height: 1.05; letter-spacing: -0.02em; }
.final__sub { font-size: 19px; margin: 22px auto 34px; max-width: 600px; color: var(--white); }
.final .btn--primary { background: var(--ink); box-shadow: 0 8px 24px rgba(0,0,0,.25); }
.final .btn--primary:hover { background: #000; }
.final__contact { margin-top: 26px; font-size: 15px; font-weight: 600; color: var(--tint); }
.final__contact a { color: var(--white); }

/* ---------- Footer ---------- */
.foot { background: var(--ink); color: #b8b2a4; padding: 22px 0; }
.foot__inner { display: flex; justify-content: space-between; align-items: center; font-size: 13px; flex-wrap: wrap; gap: 8px; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 880px) {
  .hero__title { font-size: 42px; }
  .section__title { font-size: 30px; }
  .cards-3, .grid-6, .outs, .proof-grid, .ladder { grid-template-columns: 1fr; }
  .who { grid-template-columns: 1fr; gap: 28px; text-align: center; }
  .who__photo img { margin: 0 auto; width: 220px; height: 220px; }
  .who__list { text-align: left; max-width: 520px; margin: 0 auto; }
  .nav__links a:not(.btn) { display: none; }
  .cta-band__inner { flex-direction: column; text-align: center; }
  .final h2 { font-size: 34px; }
  .hero { padding: 64px 0 56px; }
  .section { padding: 56px 0; }
}
@media (max-width: 480px) {
  .hero__title { font-size: 34px; }
  .hero__subtitle { font-size: 17px; }
  .strip__logos { font-size: 15px; gap: 10px 18px; }
}