:root {
  --green-900: #0f2e1f;
  --green-800: #154a31;
  --green-700: #1d5a3a;
  --green-500: #2f8f55;
  --green-400: #3fa968;
  --green-300: #56c07d;
  --green-100: #e9f5ec;
  --cream: #fbfaf5;
  --violet: #c86bdc;
  --ink: #17221b;
  --muted: #5b6b61;
  --line: #dfe7e1;
  --radius: 18px;
  --shadow: 0 10px 30px -12px rgba(15, 46, 31, .25);
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--green-500); }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; margin: 0 0 .5em; color: var(--green-900); }
h1 { font-size: clamp(2.4rem, 5.5vw, 4rem); letter-spacing: -.02em; }
h1 em { font-style: italic; color: var(--green-500); }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); letter-spacing: -.01em; }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }

.wrap { width: min(1140px, 100% - 2.5rem); margin-inline: auto; }
.narrow { width: min(780px, 100% - 2.5rem); }
.muted { color: var(--muted); }
.small { font-size: .85rem; }

.skip { position: absolute; left: -999px; top: 0; background: #fff; padding: .5rem 1rem; z-index: 100; }
.skip:focus { left: 1rem; top: 1rem; }

:focus-visible { outline: 3px solid var(--violet); outline-offset: 3px; border-radius: 6px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  padding: .85rem 1.4rem; border-radius: 999px;
  background: var(--green-700); color: #fff; font-weight: 600; text-decoration: none;
  border: 2px solid var(--green-700); white-space: nowrap;
  transition: transform .2s, background .2s, box-shadow .2s;
}
.btn:hover { background: var(--green-800); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn--sm { padding: .5rem 1rem; font-size: .9rem; }
.btn--lg { padding: 1rem 1.6rem; font-size: 1.05rem; }
.btn--ghost { background: transparent; color: var(--green-700); }
.btn--ghost:hover { background: var(--green-100); }
.btn--light { background: #fff; color: var(--green-900); border-color: #fff; }
.btn--light:hover { background: var(--green-100); }
.btn--outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.btn--outline-light:hover { background: rgba(255,255,255,.1); border-color: #fff; }

.eyebrow {
  text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; font-weight: 700;
  color: var(--green-500); margin-bottom: .8rem;
}
.eyebrow--light { color: var(--green-300); }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251, 250, 245, .85); backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid transparent; transition: border-color .2s, box-shadow .2s;
}
.nav.is-scrolled { border-color: var(--line); box-shadow: 0 4px 20px -14px rgba(0,0,0,.3); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--green-900); font-weight: 700; font-size: 1.15rem; }
.brand img { border-radius: 8px; }
.brand small { display: block; font-size: .7rem; font-weight: 500; color: var(--muted); letter-spacing: .02em; line-height: 1; }
.brand span { line-height: 1.1; }
.nav__links { display: flex; align-items: center; gap: 1.4rem; }
.nav__links .btn + .btn { margin-left: -.6rem; }
.nav__links a:not(.btn) { color: var(--ink); text-decoration: none; font-weight: 500; font-size: .95rem; position: relative; }
.nav__links a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: -4px; height: 2px; width: 100%;
  background: var(--green-400); transform: scaleX(0); transform-origin: left; transition: transform .25s;
}
.nav__links a:not(.btn):hover::after { transform: scaleX(1); }
.nav__toggle { display: none; background: none; border: 0; padding: .5rem; cursor: pointer; }
.nav__toggle span { display: block; width: 24px; height: 2px; background: var(--green-900); margin: 5px 0; transition: transform .25s, opacity .25s; }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero {
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(3rem, 7vw, 5rem);
  background:
    radial-gradient(800px 400px at 85% 10%, rgba(200,107,220,.12), transparent 60%),
    radial-gradient(700px 500px at 0% 100%, rgba(86,192,125,.18), transparent 60%);
  overflow: hidden;
}
.hero__grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center; }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.2rem); color: var(--muted); max-width: 38em; }
.hero__cta { display: flex; flex-wrap: wrap; gap: .8rem; margin: 1.8rem 0 1.6rem; }
.chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .5rem; }
.chips li {
  font-size: .85rem; font-weight: 600; color: var(--green-700);
  background: var(--green-100); border: 1px solid #cfe8d6; padding: .35rem .8rem; border-radius: 999px;
}
.chips li::before { content: "✓ "; color: var(--green-400); }
.hero__art { justify-self: center; width: min(380px, 100%); }
.tower { filter: drop-shadow(0 30px 40px rgba(15,46,31,.18)); }
.tower .led { animation: glow 3.5s ease-in-out infinite; }
.tower .shelves > g:nth-child(2) .led { animation-delay: .6s; }
.tower .shelves > g:nth-child(3) .led { animation-delay: 1.2s; }
.tower .plants { transform-box: fill-box; transform-origin: bottom; animation: sway 5s ease-in-out infinite; }
.tower .drops circle { animation: drip 2.4s linear infinite; }
.tower .drops circle:nth-child(2) { animation-delay: .8s; }
.tower .drops circle:nth-child(3) { animation-delay: 1.6s; }
@keyframes glow { 50% { opacity: .55; } }
@keyframes sway { 50% { transform: scaleY(1.06); } }
@keyframes drip { 0% { transform: translateY(-30px); opacity: 0; } 30% { opacity: 1; } 100% { transform: translateY(60px); opacity: 0; } }

/* Sections */
.section { padding: clamp(4rem, 9vw, 6.5rem) 0; }
.section--tint { background: var(--green-100); }
.section--dark { background: var(--green-900); color: #dcebe1; }
.section--dark h2, .section--dark h3 { color: #fff; }
.section__head { max-width: 640px; margin-bottom: 2.6rem; }
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 3rem; align-items: start; }

.steps { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: .6rem; counter-reset: s; }
.steps li {
  background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 1rem .8rem;
  font-weight: 600; color: var(--green-900); text-align: center; position: relative;
}
.steps li span { display: block; font-family: var(--font-display); color: var(--green-400); font-size: 1.4rem; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1.2rem; }
.card {
  grid-column: span 2; background: #fff; border-radius: var(--radius); padding: 1.8rem;
  border: 1px solid var(--line); transition: transform .25s, box-shadow .25s;
}
.card:nth-child(4), .card:nth-child(5) { grid-column: span 3; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card__icon {
  width: 52px; height: 52px; display: grid; place-items: center; font-size: 1.5rem;
  background: var(--green-100); border-radius: 14px; margin-bottom: 1rem;
}
.card p { color: var(--muted); margin: 0; }

.fields { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .7rem; }
.fields li {
  padding: .7rem 1.2rem; border-radius: 999px; background: #fff; border: 1.5px solid var(--line);
  font-weight: 600; color: var(--green-800); transition: border-color .2s, background .2s;
}
.fields li:hover { border-color: var(--green-400); background: var(--green-100); }

/* Join */
.join { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.join__step {
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius); padding: 1.8rem;
}
.join__step p { margin: 0; }
.join__step a { color: var(--green-300); }
.join__num {
  display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 50%;
  background: var(--green-300); color: var(--green-900); font-weight: 700; margin-bottom: 1rem;
}
.join__cta { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.4rem; }

/* Roles */
.mentor {
  margin-top: 2.6rem; display: flex; align-items: center; gap: 1.4rem;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem 1.8rem;
}
.mentor h3 { margin-bottom: .2rem; }
.mentor p:last-child { margin: 0; color: var(--muted); }
.mentor .eyebrow { margin-bottom: .3rem; }
.mentor__badge { flex: none; width: 64px; height: 64px; display: grid; place-items: center; font-size: 1.8rem; background: var(--green-100); border-radius: 50%; }

/* Checks */
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }
.checks li {
  background: #fff; border-radius: 14px; padding: 1.1rem 1.2rem 1.1rem 3.2rem; position: relative;
  border: 1px solid #cfe8d6;
}
.checks li::before {
  content: "✓"; position: absolute; left: 1.1rem; top: 1.05rem; width: 24px; height: 24px; border-radius: 50%;
  display: grid; place-items: center; background: var(--green-400); color: #fff; font-size: .8rem; font-weight: 700;
}
.checks strong { color: var(--green-900); }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; list-style: none; padding: 1.2rem 2.5rem 1.2rem 0; font-weight: 600; font-size: 1.05rem;
  position: relative; color: var(--green-900);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: .3rem; top: 50%; transform: translateY(-50%);
  font-size: 1.5rem; color: var(--green-500); transition: transform .25s;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { color: var(--muted); padding-bottom: 1.2rem; margin: 0; }

/* Contact */
.contact {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 2rem; align-items: center;
  background: linear-gradient(135deg, var(--green-800), var(--green-900));
  color: #dcebe1; border-radius: 28px; padding: clamp(2rem, 5vw, 3.5rem);
  position: relative; overflow: hidden;
}
.contact::after {
  content: ""; position: absolute; right: -80px; top: -80px; width: 260px; height: 260px; border-radius: 50%;
  background: radial-gradient(circle, rgba(200,107,220,.35), transparent 70%);
}
.contact h2 { color: #fff; }
.contact p:last-child { margin: 0; }
.contact__actions { display: flex; flex-direction: column; align-items: flex-start; gap: .8rem; position: relative; z-index: 1; justify-self: end; }
.copy {
  background: none; border: 0; color: var(--green-300); font: inherit; font-weight: 600; cursor: pointer; padding: .3rem 0;
  text-decoration: underline; text-underline-offset: 3px;
}

/* Footer */
.footer { padding: 2.5rem 0 3rem; border-top: 1px solid var(--line); }
.footer__inner { display: flex; justify-content: space-between; gap: 2rem; align-items: flex-start; }
.footer__inner > div { max-width: 640px; }
.footer__brand { font-weight: 700; color: var(--green-900); margin-bottom: .4rem; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Responsive */
@media (max-width: 960px) {
  .hero__grid, .split, .contact { grid-template-columns: 1fr; }
  .hero__art { width: min(300px, 80%); order: -1; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .card, .card:nth-child(4), .card:nth-child(5) { grid-column: span 1; }
  .card:nth-child(5) { grid-column: span 2; }
  .contact__actions { justify-self: start; }
}
@media (max-width: 960px) {
  .nav__toggle { display: block; }
  .nav__links {
    position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--cream); border-bottom: 1px solid var(--line); padding: .5rem 1.25rem 1.25rem;
    display: none;
  }
  .nav__links.is-open { display: flex; }
  .nav__links a:not(.btn) { padding: .9rem 0; border-bottom: 1px solid var(--line); }
  .nav__links a:not(.btn)::after { display: none; }
  .nav__links .btn { margin-top: 1rem; }
}
@media (max-width: 760px) {
  .join { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .hero__art { width: 190px; }
  .cards { grid-template-columns: 1fr; }
  .card:nth-child(5) { grid-column: span 1; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .hero__cta .btn, .join__cta .btn { flex: 1 1 100%; }
  .mentor { flex-direction: column; align-items: flex-start; }
  .footer__inner { flex-direction: column; }
  .contact .btn--lg { font-size: .95rem; word-break: break-all; }
}

/* Founder spotlight */
.founder {
  display: grid; grid-template-columns: 240px 1fr; gap: 2.4rem; align-items: center;
  background: linear-gradient(135deg, #fff 0%, var(--green-100) 100%);
  border: 1px solid #cfe8d6; border-radius: 28px; padding: clamp(1.6rem, 4vw, 2.6rem);
  margin-bottom: 3.2rem; box-shadow: var(--shadow);
}
.founder__photo {
  width: 240px; aspect-ratio: 1; border-radius: 50%; overflow: hidden; position: relative;
  box-shadow: 0 0 0 6px #fff, 0 0 0 9px var(--green-300);
}
.founder__photo img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.04); }
.founder__tag {
  display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--green-800); background: #fff; border: 1px solid #cfe8d6; padding: .3rem .8rem; border-radius: 999px; margin-bottom: .8rem;
}
.founder h3 { font-size: clamp(1.8rem, 3.4vw, 2.4rem); margin-bottom: 1rem; }
.founder__facts { display: grid; gap: .7rem; margin: 0 0 1.6rem; }
.founder__facts div { display: grid; grid-template-columns: 70px 1fr; gap: 1rem; }
.founder__facts dt { font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--green-500); padding-top: .2rem; }
.founder__facts dd { margin: 0; color: var(--ink); font-weight: 500; }
.btn--linkedin { background: #0a66c2; border-color: #0a66c2; }
.btn--linkedin:hover { background: #004182; border-color: #004182; }

@media (max-width: 760px) {
  .founder { grid-template-columns: 1fr; text-align: center; justify-items: center; }
  .founder__photo { width: 190px; }
  .founder__facts { text-align: left; width: 100%; }
}
@media (max-width: 420px) {
  .founder__facts div { grid-template-columns: 1fr; gap: .1rem; }
  .btn--linkedin { width: 100%; }
}

/* Principal members */
.members__title { margin-bottom: 1.2rem; }
.members { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }
.member {
  display: flex; align-items: center; gap: 1.4rem;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem 1.6rem;
  transition: transform .25s, box-shadow .25s;
}
.member:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.member__photo {
  flex: none; width: 112px; height: 112px; border-radius: 50%; object-fit: cover;
  box-shadow: 0 0 0 4px #fff, 0 0 0 6px var(--green-300);
}
.member__tag { font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--green-500); margin-bottom: .3rem; }
.member h4 { font-family: var(--font-display); font-size: 1.4rem; color: var(--green-900); margin: 0 0 .4rem; line-height: 1.2; }
.member__major { margin: 0 0 .6rem; color: var(--ink); font-weight: 500; }
.member__major span { display: block; font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.member__link { font-weight: 600; font-size: .9rem; color: #0a66c2; text-decoration: none; }
.member__link:hover { text-decoration: underline; }
@media (max-width: 760px) { .members { grid-template-columns: 1fr; } }
@media (max-width: 420px) { .member { flex-direction: column; text-align: center; } }

/* Discord + meeting info */
.btn--discord { background: #5865f2; border-color: #5865f2; color: #fff; }
.btn--discord:hover { background: #4752c4; border-color: #4752c4; }
.btn svg { flex: none; }
.meet-pill {
  display: inline-flex; align-items: flex-start; gap: .6rem; line-height: 1.45;
  margin: -0.4rem 0 1.4rem; padding: .6rem 1rem; border-radius: 14px;
  background: #fff; border: 1px solid var(--line); color: var(--muted); font-size: .92rem;
}
.meet-pill strong { color: var(--green-900); }

/* Instagram */
.btn--instagram { background: linear-gradient(45deg, #f09433, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888); border-color: transparent; color: #fff; }
.btn--instagram:hover { background: linear-gradient(45deg, #d97f22, #cf552b 25%, #c21d36 50%, #b31a59 75%, #a3127a); }
.footer__side { display: flex; flex-direction: column; align-items: flex-end; gap: .8rem; }
.social { list-style: none; margin: 0; padding: 0; display: flex; gap: .5rem; }
.social a {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%;
  background: var(--green-100); color: var(--green-800); text-decoration: none; font-size: 1.05rem;
  transition: background .2s, color .2s;
}
.social a:hover { background: var(--green-700); color: #fff; }
@media (max-width: 560px) {
  .footer__side { align-items: flex-start; }
}

@media (max-width: 960px) {
  .nav__links .btn + .btn { margin-left: 0; margin-top: .6rem; }
}