@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Libre+Franklin:wght@600;700&display=swap');

:root {
  --navy: #0a2d5e;
  --navy-deep: #061f43;
  --blue: #1557a0;
  --lime: #b6d72b;
  --lime-soft: #eef6cf;
  --ink: #172338;
  --muted: #5c6878;
  --line: #dce3ea;
  --surface: #ffffff;
  --surface-alt: #f4f7fa;
  --shadow: 0 18px 50px rgba(6, 31, 67, 0.09);
  --radius: 18px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 104px;
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: none;
}

a {
  color: var(--blue) !important;
  font-weight: 600 !important;
  text-underline-offset: 0.2em;
}

p {
  padding-right: 0;
  margin: 0 0 1.25rem;
}

h1, h2, h3, h4 {
  margin-top: 0;
  color: var(--navy);
  font-family: 'Libre Franklin', sans-serif;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.13;
}

h1 { font-size: clamp(2.45rem, 6vw, 4.85rem); }
h2 { font-size: clamp(2rem, 4vw, 3.15rem); text-transform: none; }
h3 { font-size: 1.35rem; }

.container {
  width: min(100% - 2rem, 1160px);
  max-width: none;
  margin-inline: auto;
  padding-inline: 0;
}

.narrow-content { max-width: 880px; }

.skip-link {
  position: fixed;
  z-index: 9999;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  border-radius: 8px;
  background: var(--navy);
  color: #fff !important;
  transform: translateY(-150%);
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  --scroll-progress: 0%;
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid rgba(10, 45, 94, 0.09);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
}

.site-header::before {
  position: absolute;
  z-index: 1;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  background: var(--navy);
  content: '';
}

.site-header::after {
  position: absolute;
  z-index: 2;
  top: 0;
  left: 0;
  width: var(--scroll-progress);
  height: 4px;
  background: var(--lime);
  content: '';
  transition: width 80ms linear;
}

.site-header .navbar { padding: 0; }
.header-inner { min-height: 96px; }
.brand { display: inline-flex; align-items: center; }
.site-header .logo { width: auto; height: 76px; }

.site-header .navbar-nav { gap: 0.15rem; }
.site-header .nav-link {
  position: relative;
  padding: 0.85rem 0.72rem !important;
  color: var(--navy) !important;
  font-size: 0.91rem;
  font-weight: 600 !important;
  text-decoration: none;
}

.site-header .nav-link::after {
  position: absolute;
  right: 0.72rem;
  bottom: 0.55rem;
  left: 0.72rem;
  height: 2px;
  background: var(--lime);
  content: '';
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-header .nav-link:hover::after,
.site-header .nav-link:focus-visible::after,
.site-header .current .nav-link::after { transform: scaleX(1); }

.navbar-toggler {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.55rem;
}

.hero {
  position: relative;
  overflow: hidden;
  margin: 0;
  padding: clamp(4rem, 8vw, 7.5rem) 0;
  background:
    radial-gradient(circle at 92% 14%, rgba(182, 215, 43, 0.2), transparent 28%),
    linear-gradient(135deg, #f7fafc 0%, #eef3f8 100%);
}

.hero::after {
  position: absolute;
  right: -90px;
  bottom: -140px;
  width: 430px;
  height: 430px;
  border: 1px solid rgba(10, 45, 94, 0.1);
  border-radius: 50%;
  box-shadow: 0 0 0 62px rgba(10, 45, 94, 0.025), 0 0 0 124px rgba(10, 45, 94, 0.018);
  content: '';
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.75fr);
  gap: clamp(3rem, 7vw, 7rem);
  align-items: center;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 1.1rem;
  color: var(--blue);
  font-size: 0.79rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero h1 { max-width: 760px; margin-bottom: 1.5rem; }
.hero .lead { max-width: 720px; color: #3d4b5f; font-size: 1.14rem; line-height: 1.75; }
.hero .lead p { margin-bottom: 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 2.25rem; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0.7rem 1.25rem;
  border: 1px solid transparent;
  border-radius: 9px;
  font-size: 0.94rem;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover { transform: translateY(-2px); text-decoration: none; }
.button-primary { background: var(--navy); color: #fff !important; box-shadow: 0 10px 25px rgba(10, 45, 94, 0.18); }
.button-primary:hover { background: var(--navy-deep); }
.button-secondary { border-color: #b9c5d2; background: rgba(255,255,255,0.7); color: var(--navy) !important; }
.button-secondary:hover { background: #fff; }

.hero-panel {
  padding: 1.6rem 1.75rem;
  border-top: 4px solid var(--lime);
  border-radius: 2px 2px var(--radius) var(--radius);
  background: var(--navy);
  box-shadow: var(--shadow);
  color: #fff;
}

.panel-label { margin-bottom: 0.65rem; color: #dce7f5; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.feature-list { margin: 0; padding: 0; list-style: none; }
.feature-list li { display: grid; grid-template-columns: 2.2rem 1fr; gap: 0.7rem; padding: 1rem 0; border-top: 1px solid rgba(255,255,255,0.15); line-height: 1.4; }
.feature-list span { color: var(--lime); font-size: 0.82rem; font-weight: 700; }

.content-section { margin: 0; padding: clamp(4.5rem, 8vw, 7rem) 0; background: var(--surface); box-shadow: none; }
.section-tinted { background: var(--surface-alt); }
.section-heading { display: flex; justify-content: space-between; gap: 3rem; align-items: end; margin-bottom: 2.5rem; }
.section-heading h2 { margin-bottom: 0; }
.section-heading > p { max-width: 470px; margin-bottom: 0.45rem; color: var(--muted); }

.activity-intro { margin: 1.5rem 0 2.5rem; }
.activity-location { margin: -0.4rem 0 1.5rem; color: var(--muted); }
.activity-schedule-summary {
  display: grid;
  gap: .25rem;
  margin: 0 0 2.5rem;
  padding: 1.1rem 1.25rem;
  border-left: 4px solid var(--lime);
  border-radius: 0 10px 10px 0;
  background: var(--lime-soft);
}
.activity-schedule-summary strong { color: var(--navy); }
.activity-list, .activity-slots { display: grid; gap: 1rem; margin-top: 2rem; }
.activity-card, .timeslot-card, .activity-signup {
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 8px 28px rgba(6, 31, 67, 0.045);
}
.activity-card { display: flex; gap: 2rem; align-items: center; justify-content: space-between; }
.activity-card h2 { margin-bottom: 0.55rem; font-size: 1.45rem; }
.activity-card p { margin-bottom: 0.35rem; }
.activity-meta { color: var(--muted); }
.timeslot-card { display: grid; grid-template-columns: minmax(180px, .8fr) minmax(230px, 1.2fr); gap: 1.5rem; align-items: center; }
.timeslot-card h3, .timeslot-card p { margin-bottom: 0.25rem; }
.timeslot-card.is-full { background: var(--surface-alt); }
.timeslot-time { color: var(--navy); font-size: 1.12rem; font-weight: 700; }
.timeslot-occupancy { display: grid; gap: 0.2rem; }
.timeslot-occupancy span { color: var(--muted); }
.activity-signup { margin-top: 3rem; border-top: 4px solid var(--lime); }
.activity-registration-form .field { margin-bottom: 1.15rem; }
.activity-registration-form label { display: block; margin-bottom: .35rem; color: var(--navy); font-weight: 700; }
.activity-registration-form input[type='text'],
.activity-registration-form input[type='email'],
.activity-registration-form select {
  width: 100%;
  min-height: 48px;
  padding: .65rem .75rem;
  border: 1px solid #b9c5d2;
  border-radius: 8px;
  background: #fff;
}
.activity-registration-form .field.checkbox { display: grid; grid-template-columns: auto 1fr; gap: .65rem; align-items: start; }
.activity-registration-form .field.checkbox label { font-weight: 500; }
.activity-registration-form .message, .activity-notice { padding: 1rem; border-radius: 8px; background: var(--lime-soft); }
.activity-registration-form .message.bad { background: #fde8e8; color: #842029; }

@media (max-width: 720px) {
  .activity-card { display: grid; }
  .activity-card .button { width: 100%; }
  .timeslot-card { grid-template-columns: 1fr; gap: .75rem; }
}

.member-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
}

.member {
  overflow: hidden;
  align-items: stretch;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 8px 28px rgba(6, 31, 67, 0.045);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.member:hover { transform: translateY(-4px); box-shadow: 0 16px 34px rgba(6, 31, 67, 0.1); }
.member .foto { width: 100%; padding-top: 118%; background-position: center 25%; background-size: cover; }
.member .foto-placeholder {
  display: grid;
  place-items: center;
  padding-top: 0;
  aspect-ratio: 1 / 1.18;
  background: linear-gradient(145deg, #eef3f8, #dfe7ef);
}
.foto-placeholder span {
  display: grid;
  width: 72px;
  height: 72px;
  place-items: center;
  border: 1px solid rgba(10,45,94,0.15);
  border-radius: 50%;
  color: var(--navy);
  font-family: 'Libre Franklin', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.member .profile { min-height: 108px; padding: 1rem 1.05rem 1.15rem; border-top: 3px solid var(--lime); text-align: left; }
.member .name { margin-bottom: 0.3rem; color: var(--navy); font-size: 1.02rem; line-height: 1.3; }
.member .role { margin: 0; color: var(--muted); font-size: 0.88rem; line-height: 1.4; }
.school-team { margin-top: 4rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.school-team > h3 { margin-bottom: 1.5rem; }
.member-grid-compact { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.rich-content { color: #334156; font-size: 1.04rem; }
.rich-content > :last-child { margin-bottom: 0; }
.rich-content strong { color: var(--navy); font-weight: 700; }
.rich-content ul { margin: 1rem 0 1.5rem; padding-left: 1.25rem; }
.rich-content li { margin: 0.35rem 0; padding-left: 0.3rem; }
.rich-content a { overflow-wrap: anywhere; }
.content-section .narrow-content > h2 { margin-bottom: 2rem; }
.contribution-content > ul { padding: 1rem 1.25rem 1rem 2.5rem; border-left: 4px solid var(--lime); background: var(--surface-alt); }

.contact-section { background: var(--navy); color: #fff; }
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(2.5rem, 7vw, 7rem); align-items: start; }
.contact-section h2 { max-width: 520px; color: #fff; }
.eyebrow-light { color: var(--lime); }
.contact-intro { max-width: 520px; color: #d8e2ef; font-size: 1.1rem; }
.contact-card { padding: clamp(1.5rem, 4vw, 2.5rem); border: 1px solid rgba(255,255,255,0.14); border-radius: var(--radius); background: rgba(255,255,255,0.07); color: #edf3fa; }
.contact-card strong { color: #fff; }
.contact-card a { color: var(--lime) !important; }

.page-main { min-height: 65vh; }
.page-hero { padding: clamp(3.5rem, 7vw, 6rem) 0; background: linear-gradient(135deg, var(--surface-alt), #eaf0f6); }
.page-hero h1 { margin-bottom: 0; font-size: clamp(2.3rem, 5vw, 4rem); }
.form-links { display: grid; gap: 0.8rem; margin-top: 2rem; }
.form-link { display: flex; justify-content: space-between; gap: 1rem; padding: 1rem 1.2rem; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--navy) !important; text-decoration: none; }
.form-link:hover { border-color: var(--blue); box-shadow: 0 8px 25px rgba(6,31,67,0.08); text-decoration: none; }
.form-link-disabled { color: var(--muted) !important; }

form { max-width: 760px; }
form fieldset { margin: 1.5rem 0; padding: 1.5rem !important; border: 1px solid var(--line) !important; border-radius: 12px; }
form label { display: block; margin: 1rem 0 0.35rem; color: var(--navy); font-weight: 600; }
form input:not([type='checkbox']):not([type='radio']):not([type='submit']),
form textarea,
form select { width: 100%; min-height: 48px; padding: 0.7rem 0.8rem; border: 1px solid #b8c4d0; border-radius: 8px; background: #fff; color: var(--ink); }
form textarea { min-height: 130px; }
form input:focus, form textarea:focus, form select:focus { border-color: var(--blue); outline: 3px solid rgba(21,87,160,0.14); }
input[type='submit'], button[type='submit'] { min-width: 0; min-height: 50px; padding: 0.7rem 1.4rem; border: 0; border-radius: 9px; background: var(--navy); color: #fff; font-weight: 700; line-height: 1.2; }
input[type='submit']:hover, button[type='submit']:hover { background: var(--navy-deep); }

.site-footer { border-top: 4px solid var(--lime); background: var(--navy-deep); color: #cad6e4; }
.footer-inner { display: grid; grid-template-columns: 1.2fr 1fr auto; gap: 2rem; align-items: center; min-height: 120px; padding-block: 1.5rem; }
.footer-inner p { margin: 0; font-size: 0.92rem; }
.footer-brand, .site-footer a { color: #fff !important; text-decoration: none; }

@media (max-width: 991px) {
  .header-inner { min-height: 84px; }
  .site-header .logo { height: 66px; }
  .site-header .navbar-collapse { margin: 0.7rem 0 1rem; padding: 0.75rem; border: 1px solid var(--line); border-radius: 12px; background: #fff; box-shadow: var(--shadow); }
  .site-header .nav-link { padding: 0.7rem 0.5rem !important; }
  .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-panel { max-width: 620px; }
  .member-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  html { scroll-padding-top: 88px; }
  .container { width: min(100% - 1.35rem, 1160px); }
  .hero { padding: 3.5rem 0 4rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .section-heading { display: block; }
  .section-heading > p { margin-top: 1rem; }
  .member-grid, .member-grid-compact { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; }
  .member .profile { min-height: 96px; padding: 0.85rem; }
  .member .name { font-size: 0.94rem; }
  .member .role { font-size: 0.82rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 0.35rem; min-height: 0; padding-block: 2rem; }
}

@media (max-width: 390px) {
  .member-grid, .member-grid-compact { grid-template-columns: 1fr; }
  .member .foto { padding-top: 95%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}