:root {
  --blue: #2196f3;
  --blue-dark: #1a7fd1;
  --blue-soft: #d3e7fb;
  --blue-panel: #a8d4fb;
  --green: #10bf6f;
  --green-dark: #0ea561;
  --green-icon: #19c25c;
  --green-panel: #b1ecc8;
  --green-card: #ccf1dc;
  --yellow-card: #fff4cc;
  --mint-bg: #f2fbf6;
  --ink: #1f1f1f;
  --text: #333;
  --muted: #555;
  --line: #e3e6ea;
  --field: #f6f7f8;
  --radius: 16px;
  --container: 1120px;
  --frame: 1280px;
  --shadow: 0 10px 30px rgba(20, 30, 50, 0.06);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  margin: 0;
  font-family: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { color: var(--ink); margin: 0; line-height: 1.15; font-weight: 800; letter-spacing: -0.01em; }
p { margin: 0; }

/* Boxed layout: each band draws a full-width rule; its content sits in a bordered frame */
.shell { max-width: var(--frame); margin: 0 auto; border-left: 1px solid var(--line); border-right: 1px solid var(--line); }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.text-blue { color: var(--blue); }

.icon { width: 1em; height: 1em; flex: none; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 22px; border-radius: 999px; border: 0;
  font: inherit; font-weight: 600; font-size: 1rem; text-decoration: none;
  cursor: pointer; transition: background-color .15s, transform .15s;
}
.btn:active { transform: translateY(1px); }
.btn--sm { padding: 8px 16px; font-size: .875rem; }
.btn--primary { background: var(--blue); color: #fff; }
.btn--primary:hover { background: var(--blue-dark); }
.btn--green { background: var(--green); color: #fff; }
.btn--green:hover { background: var(--green-dark); }
.btn--soft { background: var(--blue-soft); color: var(--ink); }
.btn--soft:hover { background: #c3ddf8; }
.btn--light { background: #d6e9fc; color: var(--ink); }
.btn--light:hover { background: #fff; }
.btn--block { width: 100%; justify-content: space-between; padding: 16px 28px; font-size: 1.05rem; }
.btn[disabled] { opacity: .65; cursor: progress; }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.nav__logo { text-decoration: none; }
.nav__logo img { height: 44px; width: auto; }
.nav__links { display: flex; gap: 44px; }
.nav__links a { text-decoration: none; font-weight: 500; font-size: .95rem; }
.nav__links a:not(.btn):hover { color: var(--blue); }
.nav__cta-mobile { display: none !important; }
.nav__toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav__toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 2px; }

.logo-text { font-weight: 700; color: #7a8791; font-size: 1.15rem; letter-spacing: -.01em; }
.logo-text--a2ux { font-size: 2.6rem; font-weight: 800; font-style: italic; color: #2f7d67; }

/* Hero */
.hero > .shell {
  padding: 40px 0 72px;
  background:
    radial-gradient(circle, rgba(0,0,0,.05) 1px, transparent 1.4px) 0 0 / 22px 22px,
    linear-gradient(180deg, #fff 0%, #fff 70%, #c4e3fd 100%);
}
.hero__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.hero h1 { font-size: clamp(2.1rem, 4.2vw, 3.1rem); margin-bottom: 36px; }
.hero__copy p { font-size: 1.15rem; line-height: 1.5; color: var(--ink); margin-bottom: 22px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 44px; }

/* Form */
.form-card { padding: 36px 20px 30px; }
.form-card h2 { text-align: center; font-size: 2.3rem; margin-bottom: 44px; }
.form-card form { display: grid; gap: 22px; }
.checks { border: 0; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 12px 40px; }
.checks legend { font-size: .9rem; margin-bottom: 12px; padding: 0; }
.checks label { display: inline-flex; align-items: center; gap: 12px; font-size: .9rem; font-weight: 500; cursor: pointer; }
.checks input {
  appearance: none; width: 18px; height: 18px; margin: 0; border: 1.5px solid var(--blue);
  border-radius: 4px; display: grid; place-content: center; cursor: pointer;
}
.checks input:checked { background: var(--blue); }
.checks input:checked::after { content: ""; width: 5px; height: 9px; border: solid #fff; border-width: 0 2px 2px 0; transform: translateY(-1px) rotate(45deg); }
.checks input:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.field { display: grid; gap: 12px; font-size: .9rem; font-weight: 500; color: var(--ink); }
.field input, .field textarea {
  width: 100%; font: inherit; font-size: .95rem; font-weight: 400; color: var(--ink);
  padding: 12px 14px; background: var(--field); border: 1px solid #dfe2e6; border-radius: 6px;
}
.field textarea { resize: vertical; min-height: 96px; }
.field input::placeholder, .field textarea::placeholder { color: #8a8f95; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(33,150,243,.18); background: #fff; }
.field input[aria-invalid="true"] { border-color: #d93025; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { min-height: 1.4em; font-size: .92rem; font-weight: 600; text-align: center; margin-top: -8px; }
.form-status.is-success { color: var(--green-dark); }
.form-status.is-error { color: #d93025; }

/* Sections */
.section { border-top: 1px solid var(--line); }
.section > .shell { padding: 96px 0; }
.section--mint > .shell { background: var(--mint-bg); }
.section__head { text-align: center; max-width: 920px; margin: 0 auto 48px; }
.section__head h2 { font-size: clamp(1.8rem, 3.4vw, 2.3rem); margin: 20px 0 30px; }
.section__head p { font-size: 1.05rem; color: var(--ink); }
.section__icon { width: 40px; height: 40px; color: var(--green-icon); }
.section__icon--left { display: block; }

/* Associations */
.assoc { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; padding: 56px 80px; margin-bottom: 40px; }
.assoc:last-child { margin-bottom: 0; }
.assoc h3 { font-size: 2rem; margin-bottom: 22px; }
.assoc__copy p { color: #444; line-height: 1.55; margin-bottom: 24px; }
.assoc__panel { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.assoc__logo { background: #fff; display: grid; place-items: center; height: 170px; padding: 24px; }
.assoc__logo img { max-height: 110px; width: auto; }
.assoc__panel > p { padding: 44px 48px; text-align: center; font-size: .9rem; color: var(--ink); line-height: 1.35; min-height: 160px; display: grid; place-items: center; }
.assoc__panel--blue > p { background: var(--blue-panel); }
.assoc__panel--green > p { background: var(--green-panel); }

/* Events */
.events { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.event {
  position: relative; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  min-height: 500px; display: flex; flex-direction: column; justify-content: flex-end; padding: 8px;
  background: #f4f5f6 repeating-linear-gradient(90deg, transparent 0 38px, rgba(0,0,0,.035) 38px 39px);
  box-shadow: var(--shadow);
}
.event__art { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top; }
.event__plus {
  position: absolute; top: 24px; left: 24px; width: 34px; height: 34px; border-radius: 50%;
  background: var(--blue); color: #fff; display: grid; place-items: center; font-size: 1.1rem;
}
.event__body { position: relative; background: var(--blue); color: #fff; border-radius: 6px; padding: 26px 24px 24px; }
.event__body h3 { color: #fff; font-size: 1.35rem; margin-bottom: 12px; }
.event__body p { font-size: .95rem; line-height: 1.4; }
.event__foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 44px; flex-wrap: wrap; }
.chip { display: inline-flex; align-items: center; gap: 8px; background: #fff; color: var(--blue); border-radius: 999px; padding: 6px 14px; font-size: .85rem; font-weight: 600; }

/* Team */
.team__title { color: var(--blue); font-size: clamp(1.6rem, 3vw, 2rem); margin: 8px 0 48px; }
.team { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 56px; }
.team:last-child { margin-bottom: 0; }
.member { border-radius: var(--radius); padding: 32px 32px 32px; display: flex; flex-direction: column; }
.member--blue { background: var(--blue-soft); }
.member--yellow { background: var(--yellow-card); }
.member--green { background: var(--green-card); }
.member__top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 52px; }
.member__photo {
  position: relative; width: 152px; height: 182px; border-radius: 50%; overflow: hidden;
  background: rgba(255,255,255,.6); display: grid; place-items: center;
}
.member__photo::before { content: attr(data-initials); font-size: 2.2rem; font-weight: 700; color: rgba(0,0,0,.25); }
.member__photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 25%; }
.member__link { color: var(--blue); font-size: 1.5rem; margin: 24px 50px 0 0; }
/* Stretch the LinkedIn link over the whole card */
.member { position: relative; transition: transform .15s, box-shadow .15s; }
.member__link::after { content: ""; position: absolute; inset: 0; border-radius: var(--radius); }
.member:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(20, 30, 50, 0.1); }
.member:hover .member__link { color: var(--blue-dark); }
.member:has(.member__link:focus-visible) { outline: 2px solid var(--blue); outline-offset: 3px; }
.member__link:focus-visible { outline: none; }
.member h4 { font-size: 1.4rem; color: #444; margin-bottom: 10px; }
.member__role { font-size: .9rem; color: #555; margin-bottom: 8px; }
.member__title { font-size: .9rem; color: #555; line-height: 1.3; padding-bottom: 24px; border-bottom: 1.5px solid #666; margin-top: auto; }

/* Contact */
.contact { display: grid; grid-template-columns: 1fr 1.35fr; gap: 80px; align-items: center; padding-left: 50px; padding-right: 50px; }
.contact__art { background: #f6f6f6; aspect-ratio: 683 / 1024; }
.contact__art img { width: 100%; height: 100%; object-fit: cover; }
.contact__card { padding: 56px; }
.contact__card h2 { font-size: clamp(1.8rem, 3.4vw, 2.3rem); margin: 22px 0 36px; }
.contact__card > p { font-size: 1.15rem; color: #555; line-height: 1.45; max-width: 360px; margin-bottom: 56px; }
.contact__email {
  display: grid; gap: 6px; padding: 12px 16px 14px; border: 1px solid var(--line); border-radius: 10px;
  background: #fafafa; text-decoration: none; color: #555; font-size: .95rem;
}
.contact__email:hover { border-color: var(--blue); }
.contact__label { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); }

/* Footer */
.footer { border-top: 1px solid var(--line); }
.footer > .shell { padding: 56px 0 64px; }
.footer__inner { display: grid; grid-template-columns: 160px 1fr auto; gap: 48px; align-items: center; }
.footer__logo { text-decoration: none; }
.footer__logo img { width: 160px; height: auto; }
.footer__about p { font-size: 1rem; color: var(--ink); max-width: 450px; margin-bottom: 28px; }
.footer__meta { display: flex; align-items: center; gap: 32px; color: #555; font-size: .85rem; font-weight: 500; }
.footer__social { display: flex; gap: 8px; }
.footer__social a { width: 38px; height: 38px; border-radius: 50%; background: #1f1f1f; color: #fff; display: grid; place-items: center; font-size: 1rem; }
.footer__social a:hover { background: var(--blue); }
.footer__links { display: grid; gap: 14px; justify-items: start; }
.footer__links a { text-decoration: none; color: #555; font-size: .95rem; }
.footer__links a:hover { color: var(--blue); }

/* Responsive */
@media (max-width: 960px) {
  .hero__inner, .assoc, .contact { grid-template-columns: minmax(0, 1fr); }
  .hero__inner { gap: 48px; }
  .assoc { padding: 40px; gap: 40px; }
  .team { grid-template-columns: repeat(2, 1fr); }
  .contact { padding-left: 24px; padding-right: 24px; gap: 40px; }
  .contact__art { max-width: 360px; margin: 0 auto; width: 100%; }
  .footer__inner { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 760px) {
  .nav__toggle { display: block; }
  .nav__cta { display: none; }
  .nav__links {
    display: none; position: absolute; top: 60px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 8px 24px 20px;
  }
  .nav__links a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav__links.is-open { display: flex; }
  .nav__cta-mobile { display: inline-flex !important; margin-top: 16px; align-self: flex-start; }
  .events { grid-template-columns: minmax(0, 1fr); }
  .section > .shell { padding: 72px 0; }
  .shell { border-left: 0; border-right: 0; }
}

@media (max-width: 600px) {
  .container { padding: 0 16px; }
  .row, .team { grid-template-columns: minmax(0, 1fr); }
  .assoc { padding: 28px 20px; }
  .assoc h3 { font-size: 1.6rem; }
  .assoc__panel > p { padding: 28px 24px; min-height: 0; }
  .contact__card { padding: 32px 24px; }
  .contact { padding-left: 16px; padding-right: 16px; }
  .event { min-height: 440px; }
  .member__link { margin-right: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}