/* irisspeak.org — one-page organization site. Deep-green hero, cream sections, big serif headings (lizheng.ai-style). */
:root { --green: #0f3d23; --green-deep: #082313; --green-2: #1b5a36; --green-bright: #238343; --cream: #fcfbf7; --cream-2: #f8f5ee; --cream-3: #efe9dc; --cream-text: #f8f1e4; --ink: #121613; --body: #2b332d; --muted: #5f6a62; --line: #e4ded0; --card: #fffefb; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 64px; }
body { margin: 0; font: 16px/1.65 "Geist", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; color: var(--body); background: var(--cream); }
a { color: var(--green-bright); }
a:hover { color: var(--green); }
h1, h2, h3, .serif { font-family: "Source Serif 4", Georgia, "Times New Roman", serif; color: var(--ink); line-height: 1.12; margin: 0 0 .5em; font-weight: 800; letter-spacing: -.01em; }
h2 { font-size: 2.6rem; }
h3 { font-size: 1.25rem; font-weight: 700; margin-top: 1.2rem; }
p, ul, ol { margin: 0 0 1em; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 28px; }
.eyebrow { font-size: .82rem; font-weight: 600; color: var(--green-bright); letter-spacing: .04em; text-transform: uppercase; margin-bottom: 14px; }
.eyebrow .sub { color: var(--muted); font-weight: 400; text-transform: none; letter-spacing: 0; margin-left: 12px; }
.small, .note { font-size: .9rem; color: var(--muted); }

/* header */
header.top { background: var(--green); color: var(--cream-text); position: sticky; top: 0; z-index: 10; }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 60px; }
.brand { text-decoration: none; color: var(--cream-text); font-family: "Source Serif 4", Georgia, serif; font-weight: 800; font-size: 1.45rem; letter-spacing: .01em; }
.brand:hover { color: #fff; }
nav.main { display: flex; align-items: center; gap: 22px; }
nav.main a { color: var(--cream-text); text-decoration: none; font-size: .95rem; opacity: .9; }
nav.main a:hover { opacity: 1; text-decoration: underline; text-underline-offset: 5px; }
nav.main a.cta { background: var(--cream-text); color: var(--green); border-radius: 10px; padding: 8px 16px; font-weight: 600; opacity: 1; }
nav.main a.cta:hover { background: #fff; text-decoration: none; }

/* hero */
.hero { background: var(--green); color: var(--cream-text); position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(38% 58% at 50% 48%, rgba(143,212,164,.14), transparent 72%), radial-gradient(80% 120% at 50% 100%, rgba(44,154,81,.12), transparent 70%); pointer-events: none; }
.hero .wrap { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; padding-top: 72px; padding-bottom: 72px; }
.hero h1 { color: var(--cream-text); font-size: 4rem; font-weight: 900; line-height: 1.05; margin-bottom: 22px; }
.hero .eyebrow { color: #9fd3b1; }
.hero p.lead { font-size: 1.12rem; color: #dfe8e0; max-width: 560px; }
.hero .photo img { width: 100%; height: auto; border-radius: 16px; display: block; box-shadow: 0 30px 60px rgba(0,0,0,.35); }
.btn { display: inline-block; background: var(--cream-text); color: var(--green); text-decoration: none; padding: 12px 22px; border-radius: 10px; font-weight: 600; margin: 8px 10px 0 0; border: 1px solid var(--cream-text); }
.btn:hover { background: #fff; color: var(--green); }
.btn.ghost { background: transparent; color: var(--cream-text); border-color: rgba(248,241,228,.45); }
.btn.ghost:hover { background: rgba(248,241,228,.08); color: #fff; }
.btn.dark { background: var(--green); color: var(--cream-text); border-color: var(--green); }
.btn.dark:hover { background: var(--green-2); color: #fff; }

/* dark strip: at a glance */
.strip { background: var(--green-deep); color: var(--cream-text); }
.strip .wrap { padding-top: 34px; padding-bottom: 38px; }
.strip .eyebrow { color: #9fd3b1; }
.timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; position: relative; padding-top: 18px; }
.timeline::before { content: ""; position: absolute; left: 0; right: 0; top: 4px; height: 1px; background: rgba(248,241,228,.25); }
.timeline div::before { content: ""; display: block; width: 9px; height: 9px; border-radius: 50%; border: 1px solid rgba(248,241,228,.6); background: var(--green-deep); margin: -23px 0 14px; }
.timeline div.on::before { background: #4ade80; border-color: #4ade80; }
.timeline b { display: block; font-family: "Source Serif 4", Georgia, serif; font-size: 1.25rem; font-weight: 700; color: var(--cream-text); margin-bottom: 4px; }
.timeline span { font-size: .86rem; color: #b8c5bb; }

/* sections */
section.sec .wrap { padding-top: 84px; padding-bottom: 84px; }
section.cream { background: var(--cream); }
section.cream2 { background: var(--cream-2); }
section.cream3 { background: var(--cream-3); }
.proof { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof div { padding: 8px 28px 8px 24px; border-left: 1px solid var(--line); }
.proof div:first-child { border-left: 0; padding-left: 0; }
.proof b { display: block; font-family: "Source Serif 4", Georgia, serif; font-size: 3.2rem; font-weight: 800; color: var(--ink); line-height: 1; margin-bottom: 8px; }
.proof b sup { color: var(--green-bright); font-size: 1.4rem; margin-left: 2px; }
.proof span { font-size: .95rem; color: var(--muted); }
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.split .photo img, .photo img { width: 100%; height: auto; border-radius: 16px; display: block; }
.lead { font-size: 1.15rem; }
.list { padding-left: 0; list-style: none; }
.list li { padding: 12px 0; border-top: 1px solid var(--line); }
.list li:last-child { border-bottom: 1px solid var(--line); }
.list strong { color: var(--ink); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 34px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 26px 26px 24px; }
.card .n { font-family: "Source Serif 4", Georgia, serif; font-size: 2rem; color: var(--green-bright); font-weight: 800; line-height: 1; margin-bottom: 14px; }
.card h3 { margin-top: 0; }
.card p { margin-bottom: .6em; }
.qa h3 { margin-top: 1.4rem; font-size: 1.1rem; }
.qa h3:first-child { margin-top: 0; }
.steps { counter-reset: s; list-style: none; padding: 0; display: grid; gap: 12px; }
.steps li { counter-increment: s; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px 14px 62px; position: relative; }
.steps li::before { content: counter(s); position: absolute; left: 16px; top: 13px; width: 30px; height: 30px; border-radius: 50%; background: var(--green); color: var(--cream-text); font-weight: 700; display: flex; align-items: center; justify-content: center; font-size: .95rem; }
.box { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px 22px; margin-top: 28px; }

/* dark contact */
section.dark { background: var(--green-deep); color: var(--cream-text); position: relative; overflow: hidden; }
section.dark::before { content: ""; position: absolute; inset: 0; background: radial-gradient(50% 70% at 50% 100%, rgba(44,154,81,.18), transparent 70%); pointer-events: none; }
section.dark .wrap { position: relative; padding-top: 84px; padding-bottom: 84px; }
section.dark h2, section.dark h3 { color: var(--cream-text); }
section.dark .eyebrow { color: #9fd3b1; }
section.dark p { color: #dfe8e0; }
section.dark .card { background: rgba(248,241,228,.06); border-color: rgba(248,241,228,.14); }
section.dark .card a { color: #9fd3b1; }
section.dark .card a:hover { color: #fff; }

/* footer */
footer.bottom { background: var(--green-deep); color: #b8c5bb; font-size: .88rem; border-top: 1px solid rgba(248,241,228,.12); }
footer.bottom .wrap { padding-top: 28px; padding-bottom: 32px; }
footer.bottom p { margin: 0 0 .5em; }
footer.bottom strong { color: var(--cream-text); font-family: "Source Serif 4", Georgia, serif; font-size: 1rem; }
footer.bottom a { color: #b8c5bb; }
footer.bottom a:hover { color: #fff; }

/* secondary page (privacy) */
.page .wrap { padding-top: 48px; padding-bottom: 72px; max-width: 860px; }
.page h1 { font-size: 2.6rem; }
.page h2 { font-size: 1.5rem; margin-top: 2rem; }
.crumbs { font-size: .82rem; color: var(--muted); margin-bottom: 8px; }
.crumbs a { color: var(--muted); text-decoration: none; }

@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; padding-top: 44px; padding-bottom: 44px; }
  .hero h1 { font-size: 2.6rem; } h2 { font-size: 2rem; }
  .timeline { grid-template-columns: 1fr 1fr; gap: 18px 24px; } .timeline::before { display: none; } .timeline div::before { display: none; }
  .proof { grid-template-columns: 1fr 1fr; gap: 20px 0; } .proof div:nth-child(3) { border-left: 0; padding-left: 0; } .proof b { font-size: 2.4rem; }
  .split { grid-template-columns: 1fr; gap: 28px; }
  .cards { grid-template-columns: 1fr; }
  section.sec .wrap, section.dark .wrap { padding-top: 56px; padding-bottom: 56px; }
  nav.main { gap: 14px; } nav.main a { font-size: .88rem; } nav.main a.cta { display: none; }
}