/* ==========================================================================
   SAVANT-AI Flagship Landing Page
   One scrolling page. Tokens match css/style.css and the program PDF.
   ========================================================================== */

:root {
  --navy: #0f1722;
  --navy-2: #1a2332;
  --card: #243447;
  --gold: #d4a855;
  --gold-deep: #9a7124;
  --teal: #4a6b7c;
  --ink: #0f1722;
  --body: #2b3542;
  --muted: #5d6b7a;
  --line: #d9dee4;
  --paper: #ffffff;
  --wash: #f5f2ea;
  --on-dark: #e8e8e8;
  --on-dark-muted: #a9b6c3;
  --border-dark: #2d3f52;
  --head: Montserrat, Inter, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --text: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --wrap: 1120px;
  --gutter: 16px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--text);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--body);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--head); color: var(--ink); line-height: 1.15; margin: 0; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section.dark { background: var(--navy); color: var(--on-dark); }
.section.dark-2 { background: var(--navy-2); color: var(--on-dark); }
.section.wash { background: var(--wash); }
.dark h2, .dark h3, .dark h4, .dark-2 h2, .dark-2 h3, .dark-2 h4 { color: #fff; }

.eyebrow {
  font-size: .75rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--teal); font-weight: 600; margin-bottom: 14px;
}
.dark .eyebrow, .dark-2 .eyebrow { color: var(--gold); }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.6rem); font-weight: 800; letter-spacing: -.01em; }
.lede { font-size: 1.15rem; color: var(--muted); max-width: 720px; margin-top: 16px; }
.dark .lede, .dark-2 .lede { color: var(--on-dark-muted); }
.section-head { margin-bottom: 48px; }

/* Buttons */
.btn {
  display: inline-block; font-family: var(--head); font-weight: 700; font-size: 1rem;
  text-decoration: none; padding: 16px 28px; border-radius: 4px; letter-spacing: .01em;
  background: var(--gold); color: var(--navy); border: 2px solid var(--gold);
  transition: background .15s ease, color .15s ease;
}
.btn:hover, .btn:focus-visible { background: #e2bc72; border-color: #e2bc72; }
.btn:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
.btn.sm { padding: 10px 18px; font-size: .9rem; }
.mail { font-size: .95rem; color: var(--muted); }
.mail a { color: var(--teal); font-weight: 600; text-decoration: none; border-bottom: 1px solid currentColor; }
.dark .mail, .dark-2 .mail, .hero .mail { color: var(--on-dark-muted); }
.dark .mail a, .dark-2 .mail a, .hero .mail a { color: var(--gold); }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50; background: rgba(15, 23, 34, .96);
  border-bottom: 1px solid var(--border-dark);
  backdrop-filter: saturate(140%) blur(6px); -webkit-backdrop-filter: saturate(140%) blur(6px);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.nav img { height: 30px; width: auto; }

/* Hero */
.hero {
  background:
    linear-gradient(180deg, rgba(15, 23, 34, .88) 0%, rgba(15, 23, 34, .96) 70%, var(--navy) 100%),
    url("../images/hero/hero-bg.jpg") center / cover no-repeat;
  color: var(--on-dark); padding: 112px 0 96px;
}
.hero .kicker { font-family: var(--head); font-weight: 600; color: var(--gold); font-size: .85rem; letter-spacing: .16em; text-transform: uppercase; }
.hero h1 { color: #fff; font-size: clamp(2.3rem, 5.6vw, 4.2rem); font-weight: 800; letter-spacing: -.02em; margin-top: 18px; max-width: 900px; }
.hero .sub { font-family: var(--head); font-weight: 600; color: var(--gold); font-size: clamp(1.1rem, 2vw, 1.4rem); margin-top: 16px; }
.hero .promise { font-size: clamp(1.1rem, 1.7vw, 1.3rem); color: #d7dde4; max-width: 760px; margin-top: 24px; }
.lenses { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; list-style: none; }
.lenses li {
  font-family: var(--head); font-weight: 700; font-size: .95rem; color: var(--navy);
  background: var(--gold); padding: 6px 14px; border-radius: 3px;
}
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; margin-top: 40px; }
.trust {
  display: flex; flex-wrap: wrap; gap: 8px 28px; margin-top: 56px; padding-top: 24px;
  border-top: 1px solid var(--border-dark); font-size: .9rem; color: var(--on-dark-muted); list-style: none;
}
.trust b { color: #fff; font-weight: 600; }

/* Problem */
.problem { display: grid; grid-template-columns: 1fr 1.2fr; gap: 64px; align-items: start; }
.problem h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
.problem-list { list-style: none; display: grid; gap: 20px; }
.problem-list li { border-left: 3px solid var(--gold); padding: 4px 0 4px 20px; font-size: 1.1rem; }
.problem-list b { color: var(--ink); }

/* Flow (five-step chevron) */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); list-style: none; }
.flow .chev {
  background: var(--navy); color: #fff; min-height: 92px; display: flex; flex-direction: column; justify-content: center;
  padding: 0 18px 0 32px;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 50%, calc(100% - 18px) 100%, 0 100%, 18px 50%);
}
.flow li:first-child .chev { clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 50%, calc(100% - 18px) 100%, 0 100%); padding-left: 20px; }
.flow li:nth-child(2) .chev { background: var(--navy-2); }
.flow li:nth-child(3) .chev { background: var(--card); }
.flow li:nth-child(4) .chev { background: var(--teal); }
.flow li:last-child .chev { background: var(--gold); color: var(--navy); clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%, 18px 50%); }
.flow .n { font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; opacity: .8; }
.flow h3 { font-size: 1.05rem; color: inherit; font-weight: 700; margin-top: 2px; }
.flow .when { font-size: .75rem; color: var(--teal); font-weight: 700; text-transform: uppercase; letter-spacing: .06em; margin: 16px 14px 6px; }
.flow .desc { font-size: .95rem; line-height: 1.55; margin: 0 14px; }

/* CTA band */
.band { background: var(--navy-2); color: var(--on-dark); padding: 56px 0; }
.band .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px 48px; flex-wrap: wrap; }
.band h2 { color: #fff; font-size: clamp(1.35rem, 2.4vw, 1.75rem); font-weight: 700; }
.band p { color: var(--on-dark-muted); margin-top: 8px; max-width: 620px; }
.band .actions { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.band .mail { color: var(--on-dark-muted); }
.band .mail a { color: var(--gold); }

/* Launch Week */
.week { border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--paper); }
.week-head { background: var(--wash); padding: 16px 24px; border-bottom: 1px solid var(--line); font-family: var(--head); font-weight: 700; color: var(--ink); }
.week-head em { font-style: normal; color: var(--gold-deep); }
.days { display: grid; grid-template-columns: 1fr 1.35fr 1fr; }
.day { padding: 24px; border-right: 1px solid var(--line); }
.day:last-child { border-right: 0; }
.day h3 { font-size: 1.05rem; }
.day .f { font-size: .75rem; color: var(--teal); font-weight: 700; text-transform: uppercase; letter-spacing: .07em; margin: 4px 0 10px; }
.day p { font-size: .98rem; }

.teach { margin-top: 56px; }
.teach h3 { font-size: 1.35rem; margin-bottom: 8px; }
.teach > p { color: var(--muted); max-width: 720px; }
.teach-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 24px; list-style: none; }
.teach-grid li { background: var(--navy); color: var(--on-dark); border-radius: 6px; padding: 22px 20px; }
.teach-grid b { display: block; font-family: var(--head); color: var(--gold); font-size: 1.02rem; margin-bottom: 6px; }
.teach-grid span { font-size: .93rem; color: var(--on-dark-muted); }

.ce { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 56px; }
.box { border-left: 4px solid var(--gold); background: var(--wash); padding: 20px 22px; border-radius: 0 6px 6px 0; }
.box.navy { border-left-color: var(--navy); }
.box.teal { border-left-color: var(--teal); }
.box h3 { font-size: 1.1rem; margin-bottom: 6px; }
.box p { font-size: .98rem; }

/* Demo Day */
.demo { display: grid; grid-template-columns: 1.15fr 1fr; gap: 64px; align-items: start; }
.outs { list-style: none; counter-reset: o; display: grid; gap: 18px; }
.outs li { counter-increment: o; position: relative; padding-left: 56px; font-size: 1.08rem; color: var(--on-dark); }
.outs li::before {
  content: counter(o); position: absolute; left: 0; top: 0; width: 38px; height: 38px; border-radius: 50%;
  background: var(--gold); color: var(--navy); font-family: var(--head); font-weight: 800; display: grid; place-items: center;
}
.outs b { color: #fff; }
.keep { background: var(--card); border-radius: 8px; padding: 28px; border-top: 3px solid var(--gold); }
.keep h3 { font-size: 1.15rem; margin-bottom: 10px; }
.keep p { color: var(--on-dark); }
.keep p + p { margin-top: 12px; }

/* Proof */
.stat { display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }
.stat .k { font-family: var(--head); font-weight: 800; font-size: clamp(3rem, 7vw, 4.5rem); color: var(--gold-deep); line-height: 1; }
.stat .l { font-family: var(--head); font-weight: 700; font-size: 1.25rem; color: var(--ink); }
.wins { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; list-style: none; }
.win { background: var(--paper); border: 1px solid var(--line); border-radius: 6px; padding: 22px 24px; }
.win .tag { display: block; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--teal); font-weight: 700; margin-bottom: 6px; }
.win b { color: var(--ink); }
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.quotes blockquote { margin: 0; border-left: 3px solid var(--gold); padding: 4px 0 4px 18px; }
.quotes p { font-family: var(--head); font-weight: 600; font-size: 1.08rem; color: var(--ink); line-height: 1.4; }
.quotes footer { font-size: .85rem; color: var(--muted); margin-top: 10px; }
.industries { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: 1rem; }
.industries b { color: var(--ink); }

/* Investment */
.invest { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.price { background: var(--navy); color: #fff; border-radius: 8px; padding: 40px 36px; border-top: 4px solid var(--gold); }
.price .amt { font-family: var(--head); font-weight: 800; font-size: clamp(2.8rem, 6vw, 3.8rem); color: var(--gold); line-height: 1; }
.price .seats { font-family: var(--head); font-weight: 700; font-size: 1.2rem; margin-top: 12px; }
.price .addl { color: var(--on-dark-muted); margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--border-dark); }
.price .pay { color: var(--on-dark); margin-top: 12px; font-size: .98rem; }
.incl h3 { font-size: 1.2rem; margin-bottom: 16px; }
.incl ul { list-style: none; display: grid; gap: 12px; }
.incl li { position: relative; padding-left: 30px; font-size: 1.05rem; }
.incl li::before { content: ""; position: absolute; left: 0; top: .5em; width: 14px; height: 8px; border-left: 2px solid var(--gold-deep); border-bottom: 2px solid var(--gold-deep); transform: rotate(-45deg); }
.incl li b { color: var(--ink); }

/* Private equity, who we work with */
.pe { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.pe-steps { list-style: none; display: grid; gap: 12px; counter-reset: s; }
.pe-steps li { counter-increment: s; background: var(--card); border-radius: 6px; padding: 18px 20px 18px 64px; position: relative; color: var(--on-dark); }
.pe-steps li::before { content: counter(s); position: absolute; left: 20px; top: 50%; transform: translateY(-50%); font-family: var(--head); font-weight: 800; color: var(--gold); font-size: 1.4rem; }
.pe-steps b { color: #fff; }

.who { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; list-style: none; }
.who li { border-top: 3px solid var(--teal); padding-top: 16px; }
.who h3 { font-size: 1.1rem; margin-bottom: 6px; }
.who p { font-size: .98rem; color: var(--muted); }
.founders { margin-top: 56px; background: var(--wash); border-radius: 8px; padding: 32px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px 40px; align-items: center; }
.founders .names { font-family: var(--head); font-weight: 800; font-size: 1.3rem; color: var(--ink); }
.founders .names span { display: block; font-size: .78rem; font-weight: 700; color: var(--teal); letter-spacing: .14em; text-transform: uppercase; margin-bottom: 8px; }

/* Paths */
.paths { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.paths div { background: var(--card); border-radius: 6px; padding: 26px; }
.paths h3 { font-size: 1.15rem; color: var(--gold); margin-bottom: 8px; }
.paths p { color: var(--on-dark); }

/* FAQ */
.faq { max-width: 860px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; list-style: none; padding: 22px 40px 22px 0; position: relative;
  font-family: var(--head); font-weight: 700; color: var(--ink); font-size: 1.1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 18px; font-size: 1.5rem; color: var(--gold-deep); font-weight: 400; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { padding: 0 0 22px; color: var(--body); }

/* Close */
.close { text-align: left; }
.close .steps { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 40px; max-width: 860px; counter-reset: c; }
.close .steps li { counter-increment: c; background: var(--card); border-radius: 6px; padding: 24px; color: var(--on-dark); }
.close .steps li::before { content: "Step " counter(c); display: block; font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--gold); font-weight: 700; margin-bottom: 8px; }
.close .steps b { color: #fff; }
.close .scarce { margin-top: 28px; font-family: var(--head); font-weight: 600; color: #fff; font-size: 1.1rem; }

/* Footer */
.foot { background: #0a1018; color: var(--on-dark-muted); padding: 40px 0; font-size: .9rem; }
.foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px 32px; align-items: center; }
.foot img { height: 24px; width: auto; }
.foot a { color: var(--on-dark-muted); text-decoration: none; }
.foot a:hover { color: var(--gold); }
.foot nav { display: flex; gap: 20px; }

/* Tablet */
@media (max-width: 1000px) {
  .teach-grid, .who { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: 1fr; gap: 0; }
  .flow li { display: grid; grid-template-columns: 220px 1fr; align-items: center; gap: 0 24px; padding-bottom: 14px; }
  .flow .chev,
  .flow li:first-child .chev,
  .flow li:last-child .chev {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), 50% 100%, 0 calc(100% - 14px));
    padding: 14px 20px 26px; min-height: 0;
  }
  .flow li:last-child .chev { clip-path: none; padding-bottom: 14px; border-radius: 0 0 4px 4px; }
  .flow .when { margin: 0 0 4px; }
  .flow .desc { margin: 0; }
}

/* Phone */
@media (max-width: 760px) {
  .wrap { padding: 0 var(--gutter); }
  .section { padding: 64px 0; }
  .hero { padding: 72px 0 64px; }
  .nav .wrap { height: 60px; }
  .nav img { height: 24px; }
  .problem, .demo, .invest, .pe, .paths, .close .steps, .wins, .quotes, .ce, .founders { grid-template-columns: 1fr; }
  .problem, .demo, .invest, .pe { gap: 40px; }
  .days { grid-template-columns: 1fr; }
  .day { border-right: 0; border-bottom: 1px solid var(--line); }
  .day:last-child { border-bottom: 0; }
  .teach-grid, .who { grid-template-columns: 1fr; }
  .flow li { grid-template-columns: 1fr; }
  .flow .chev { margin-bottom: 0; }
  .flow .when { margin: 14px 4px 4px; }
  .flow .desc { margin: 0 4px 10px; }
  .price { padding: 32px 24px; }
  .founders { padding: 24px; }
  .btn { width: 100%; text-align: center; }
  .nav .btn { width: auto; }
  .band .actions { width: 100%; }
  .cta-row { flex-direction: column; align-items: stretch; }
}

/* Who you'll work with */
.team { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 40px; }
.person { display: flex; gap: 24px; align-items: flex-start; background: var(--card); border: 1px solid var(--border-dark); border-radius: 6px; padding: 28px; }
.person img { width: 120px; height: 120px; border-radius: 50%; object-fit: cover; flex: none; border: 2px solid var(--gold); }
.person h3 { color: #fff; font-size: 1.25rem; }
.person .role { color: var(--gold); font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; font-weight: 600; margin: 4px 0 12px; }
.person p { color: var(--on-dark); font-size: .98rem; }
@media (max-width: 860px) { .team { grid-template-columns: 1fr; } }
@media (max-width: 480px) { .person { flex-direction: column; padding: 22px; } .person img { width: 96px; height: 96px; } }