/* =====================================================
   MC3 — Site Stylesheet
   -----------------------------------------------------
   How this file is organized (search for these headers):
     1. Variables      - colors, fonts, spacing in one place
     2. Base           - resets and defaults for plain tags
     3. Layout helpers - .container, buttons, section spacing
     4. Header / Nav
     5. Footer
     6. Page-specific sections (hero, cards, split sections)

   To change a color site-wide, edit it in the Variables
   section below — every element on the site uses these.
===================================================== */

/* 1. Variables ---------------------------------------- */
:root {
  --color-blue-primary: #1d4ed8;   /* main brand blue (links, headings) */
  --color-blue-dark: #1e3a8a;      /* hover states on blue buttons */
  --color-blue-mid: #1e40af;       /* secondary hover */
  --color-blue-light: #eff6ff;     /* light blue section backgrounds */
  --color-accent: #ca8a04;         /* gold/yellow accent (current nav item) */
  --color-accent-ring: #fde047;    /* focus outline color */
  --color-text-dark: #0f172a;      /* main headings */
  --color-text-body: #475569;      /* paragraph text */
  --color-gray-btn: #374151;       /* secondary gray button */
  --color-gray-btn-hover: #1f2937;
  --color-bg-light-gray: #f1f5f9;  /* footer background */

  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               Helvetica, Arial, sans-serif;

  --max-width: 1280px;
  --max-width-narrow: 1024px;
}

/* 2. Base ---------------------------------------------- */
* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text-body);
  line-height: 1.5;
}

h1, h2, h3, h4 {
  color: var(--color-text-dark);
  margin: 0;
}

p { margin: 0 0 1rem 0; }

a {
  color: inherit;
  text-decoration: none;
}

img { max-width: 100%; display: block; }

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--color-accent-ring);
  outline-offset: 2px;
}

/* 3. Layout helpers -------------------------------------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: 0.25rem;
  font-weight: 600;
  color: #fff;
  transition: background-color 0.15s ease-in-out;
}

.btn-primary {
  background-color: var(--color-blue-primary);
}
.btn-primary:hover {
  background-color: var(--color-blue-dark);
}

.btn-secondary {
  background-color: var(--color-gray-btn);
}
.btn-secondary:hover {
  background-color: var(--color-gray-btn-hover);
}

.skip-link {
  position: absolute;
  top: -60px;
  left: 1rem;
  background: var(--color-blue-primary);
  color: #fff;
  padding: 0.75rem 1.5rem;
  z-index: 100;
  border-radius: 0 0 0.25rem 0.25rem;
}
.skip-link:focus {
  top: 0;
}

/* 4. Header / Nav ----------------------------------------- */
.site-header {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  position: relative;
  z-index: 10;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.site-logo img {
  width: 64px;
  height: 64px;
}
.site-logo span {
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-blue-primary);
}

.main-nav {
  display: none; /* shown on wide screens, see media query */
  gap: 1.5rem;
  font-weight: 600;
  color: var(--color-blue-primary);
}
.main-nav a,
.main-nav .current {
  padding: 0.5rem 1rem;
  border-radius: 0.25rem;
}
.main-nav a:hover {
  background-color: var(--color-blue-light);
}
.main-nav .current {
  color: var(--color-accent);
  cursor: default;
}

.header-cta {
  display: none; /* shown on wide screens */
}

/* Mobile menu (hamburger + dropdown), shown below the nav breakpoint */
.mobile-menu-toggle {
  background-color: var(--color-gray-btn);
  color: #fff;
  border: none;
  padding: 0.6rem 1rem;
  border-radius: 0.25rem;
  font-weight: 600;
  font-family: inherit;
  font-size: 1rem;
  cursor: pointer;
}

.mobile-menu {
  display: none;
  position: absolute;
  right: 1.5rem;
  top: 100%;
  background: #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border-radius: 0.25rem;
  padding: 0.5rem;
  min-width: 200px;
}
.mobile-menu.is-open {
  display: block;
}
.mobile-menu a,
.mobile-menu .current {
  display: block;
  padding: 0.65rem 0.75rem;
  border-radius: 0.25rem;
  color: var(--color-blue-primary);
  font-weight: 600;
}
.mobile-menu a:hover {
  background-color: var(--color-blue-primary);
  color: #fff;
}
.mobile-menu .current {
  background-color: var(--color-accent);
  color: #fff;
  cursor: default;
}

@media (min-width: 1280px) {
  .main-nav { display: flex; }
  .header-cta { display: block; }
  .mobile-menu-toggle,
  .mobile-menu { display: none !important; }
}

/* 5. Footer ------------------------------------------------ */
.site-footer {
  background-color: var(--color-bg-light-gray);
  padding: 3rem 1.5rem;
  margin-top: 3rem;
}

.footer-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  max-width: 500px;
  margin: 0 auto 1.5rem auto;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1rem;
  margin-bottom: 1.5rem;
}
.footer-nav a {
  padding: 0.5rem 1rem;
}
.footer-nav a:hover {
  background-color: #e2e8f0;
  border-radius: 0.25rem;
}

.footer-social {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
}
.footer-social a {
  color: #60a5fa;
  display: inline-flex;
  transition: transform 0.3s ease-in-out, color 0.15s ease-in-out;
}
.footer-social a:hover {
  transform: scale(1.3);
  color: var(--color-blue-primary);
}
.footer-social svg {
  width: 24px;
  height: 24px;
}

.footer-address {
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-text-body);
}
.footer-address p { margin: 0; }

/* 6. Hero ---------------------------------------------------- */
.hero {
  background-color: var(--color-blue-light);
  background-size: cover;
  background-position: center bottom;
  padding: 3rem 1.5rem;
}

.hero-inner {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-blue-primary);
  margin-bottom: 1.5rem;
}

.hero h2 {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin: 1.5rem 0;
}
.hero h2 .accent { color: var(--color-blue-primary); }

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin: 2rem 0;
}

.hero-lead {
  font-size: 1.2rem;
  max-width: 40rem;
  margin: 1.5rem auto;
}

.hero-secondary {
  margin-top: 2.5rem;
}
.hero-secondary h3 {
  font-size: 1.6rem;
  font-weight: 800;
  text-align: center;
}
.hero-secondary p {
  max-width: 48rem;
  margin: 1.5rem auto;
  text-align: center;
}
.hero-secondary a {
  color: var(--color-blue-primary);
  text-decoration: underline;
}

/* Three-column feature card */
.feature-panel {
  background-color: #fff;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  border-radius: 0.5rem;
  max-width: var(--max-width);
  margin: -2rem auto 3rem auto;
  position: relative;
  padding: 1rem 1.5rem;
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .feature-panel {
    grid-template-columns: repeat(3, 1fr);
  }
}
.feature-panel .feature {
  padding: 1.5rem;
  text-align: center;
}
.feature-panel dt {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-blue-primary);
}
.feature-panel dd {
  margin: 0.75rem 0 0 0;
}

/* Split section: image + text, alternating */
.split-section {
  max-width: var(--max-width-narrow);
  margin: 3rem auto;
  padding: 0 1.5rem;
  display: grid;
  gap: 2rem;
  align-items: center;
}
@media (min-width: 1024px) {
  .split-section {
    grid-template-columns: 1fr 1fr;
  }
  .split-section.image-right .split-image { order: 2; }
}

.split-image img {
  border-radius: 0.5rem;
  width: 100%;
}

.split-text h2 {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.2;
}
.split-text h2 .accent { color: var(--color-blue-primary); }
.split-text p {
  margin-top: 1.5rem;
  font-size: 1.1rem;
}
.split-text .btn { margin-top: 1.5rem; }

@media (min-width: 1024px) {
  .split-section.align-right .split-text { text-align: right; }
}

/* =====================================================
   Inner page sections (Scholarship, About, etc.)
===================================================== */

/* Page title with icon, centered, used at the top of inner pages */
.page-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  text-align: center;
  padding: 2rem 1.5rem;
}
.page-header svg {
  width: 2.5rem;
  height: 2.5rem;
  color: var(--color-blue-primary);
}
.page-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-blue-primary);
}

/* Intro block: small image card next to intro text, side by side */
.intro-grid {
  max-width: var(--max-width-narrow);
  margin: 1.5rem auto;
  padding: 1rem 1.5rem;
  display: grid;
  gap: 1.5rem;
  align-items: center;
}
@media (min-width: 768px) {
  .intro-grid {
    grid-template-columns: 1fr 2fr;
  }
}
.intro-grid .intro-image {
  border-radius: 0.375rem;
  padding: 1rem;
  text-align: center;
}
.intro-grid .intro-image img {
  border-radius: 0.25rem;
  margin: 0 auto;
}
.intro-grid .intro-text h2 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

/* A highlighted announcement box, e.g. "applications open in January" */
.callout {
  max-width: var(--max-width-narrow);
  margin: 1.5rem auto;
  padding: 1.25rem 1.5rem;
  background-color: var(--color-blue-light);
  border-left: 4px solid var(--color-blue-primary);
  border-radius: 0.25rem;
}
.callout p:last-child { margin-bottom: 0; }

/* Long-form content sections: headings, paragraphs, lists */
.content-section {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 1rem 1.5rem 2rem 1.5rem;
}
.content-section h2 {
  font-size: 1.6rem;
  margin: 1.5rem 0 1rem 0;
}
.content-section h3 {
  font-size: 1.3rem;
  margin: 1.5rem 0 0.75rem 0;
  color: var(--color-blue-primary);
}
.content-section h4 {
  font-size: 1.1rem;
  margin: 1.25rem 0 0.5rem 0;
  color: var(--color-text-dark);
}
.content-section p { margin-bottom: 1rem; }
.content-section ol,
.content-section ul {
  margin: 0 0 1rem 0;
  padding-left: 1.5rem;
}
.content-section li { margin-bottom: 0.5rem; }
.content-section a {
  color: var(--color-blue-primary);
  text-decoration: underline;
}
.content-section a:hover { text-decoration: none; }

/* =====================================================
   Forms (Contact page, and any future form pages)
===================================================== */

.page-subtitle {
  text-align: center;
  font-style: italic;
  max-width: 28rem;
  margin: 0.5rem auto 0 auto;
}

/* =====================================================
   Contact page (email-us card + guidance list)
===================================================== */

.contact-card {
  max-width: 32rem;
  margin: 2rem auto;
  padding: 2rem 1.5rem;
  text-align: center;
  background-color: var(--color-blue-light);
  border-radius: 0.5rem;
}
.contact-card p {
  margin-bottom: 1.25rem;
  color: var(--color-text-body);
}
.contact-email-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.15rem;
  padding: 0.9rem 2rem;
}
.contact-email-btn svg {
  width: 1.2rem;
  height: 1.2rem;
}

.contact-guidance {
  max-width: 32rem;
  margin: 0 auto 3rem auto;
  padding: 0 1.5rem;
}
.contact-guidance h2 {
  font-size: 1.3rem;
  text-align: center;
  margin-bottom: 1rem;
}
.contact-guidance ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.contact-guidance li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin-bottom: 0.85rem;
  color: var(--color-text-body);
}
.contact-guidance li svg {
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
  margin-top: 0.2rem;
  color: var(--color-blue-primary);
}

.section-divider {
  max-width: var(--max-width-narrow);
  margin: 1.5rem auto;
  border: none;
  border-top: 1px solid #e2e8f0;
}

.form-wrapper {
  max-width: 32rem;
  margin: 0 auto;
  padding: 0 1.5rem 3rem 1.5rem;
}

.form-field {
  margin-bottom: 1.25rem;
}

.form-field label {
  display: block;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-blue-dark);
  margin-bottom: 0.4rem;
}

.form-field input[type="text"],
.form-field input[type="email"],
.form-field select,
.form-field textarea {
  display: block;
  width: 100%;
  padding: 0.6rem 0.5rem;
  font: inherit;
  font-weight: 500;
  color: var(--color-text-dark);
  border: none;
  border-bottom: 2px solid #e2e8f0;
  border-radius: 2px 2px 0 0;
  background-color: #fafafa;
  transition: border-color 0.15s ease-in-out;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-bottom-color: var(--color-blue-primary);
}

.form-field textarea {
  min-height: 8rem;
  resize: vertical;
}

/* Honeypot field: invisible to real visitors, present for bots.
   Do not set display:none — some bots skip fields that are
   display:none, so this uses an off-screen position instead. */
.form-honeypot {
  position: absolute;
  left: -9999px;
  top: -9999px;
}

.form-submit {
  display: block;
  margin: 1.5rem auto 0 auto;
  border: none;
  cursor: pointer;
  font: inherit;
}

.alert {
  max-width: 32rem;
  margin: 1.5rem auto;
  padding: 1rem 1.25rem;
  border-radius: 0.25rem;
  font-weight: 500;
}
.alert-success {
  background-color: #dcfce7;
  color: #166534;
  border-left: 4px solid #16a34a;
}
.alert-error {
  background-color: #fee2e2;
  color: #991b1b;
  border-left: 4px solid #dc2626;
}

/* =====================================================
   Executive Team sections (About page)
===================================================== */

.team-section {
  padding: 2.5rem 1.5rem;
}

.team-section-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-blue-primary);
  margin-bottom: 0.5rem;
}

.team-section-subtitle {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-text-body);
  margin-bottom: 1.5rem;
}

.team-grid {
  max-width: 1000px;
  margin: 0 auto;
  padding: 1rem;
  border: 1px solid #94a3b8;
  border-radius: 0.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 768px) {
  .team-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1280px) {
  .team-grid { grid-template-columns: 1fr 1fr 1fr; }
}

.member-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
  padding: 1rem;
}
@media (min-width: 768px) {
  .member-card {
    flex-direction: row;
    text-align: left;
  }
}

.member-photo,
.member-avatar-placeholder {
  width: 96px;
  height: 96px;
  border-radius: 999px;
  border: 1px solid #cbd5e1;
  flex-shrink: 0;
}
@media (min-width: 768px) {
  .member-photo, .member-avatar-placeholder { margin-right: 1rem; }
}

.member-photo {
  object-fit: cover;
  filter: grayscale(100%);
  transition: filter 0.4s ease-in-out;
}
.member-photo:hover {
  filter: grayscale(0%);
}

.member-avatar-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #e2e8f0;
  color: #64748b;
  font-weight: 600;
  font-size: 1.5rem;
}

.member-name {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0;
}

.member-role {
  font-size: 0.9rem;
  color: var(--color-text-body);
  margin: 0.15rem 0 0 0;
}

.member-badge-inactive {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  color: #64748b;
  background-color: #e2e8f0;
  border-radius: 999px;
  padding: 0.1rem 0.6rem;
  margin-top: 0.3rem;
}

.member-linkedin {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--color-blue-primary);
  margin-top: 0.3rem;
}
.member-linkedin svg {
  width: 0.9rem;
  height: 0.9rem;
}

/* =====================================================
   Join page
===================================================== */

.page-intro {
  max-width: 40rem;
  margin: 0 auto;
  padding: 0 1.5rem;
  text-align: center;
}
.page-intro p {
  font-size: 1.1rem;
  margin-bottom: 1rem;
}
.page-intro a {
  color: var(--color-blue-primary);
  font-weight: 600;
}

.address-block {
  max-width: 30rem;
  margin: 1.5rem auto;
  padding: 0 1.5rem;
  text-align: center;
  font-size: 0.95rem;
  color: var(--color-text-body);
}
.address-block p { margin: 0; }

.privacy-note {
  max-width: 30rem;
  margin: 1rem auto 0 auto;
  padding: 0 1.5rem;
  text-align: center;
  font-size: 0.95rem;
  font-style: italic;
  color: var(--color-text-body);
}
.privacy-note a {
  color: var(--color-blue-primary);
}

.form-embed {
  max-width: 40rem;
  margin: 2rem auto;
  padding: 0 1.5rem;
}
.form-embed iframe {
  width: 100%;
  border: none;
  display: block;
}

/* =====================================================
   Calendar page
===================================================== */

.calendar-intro {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.calendar-intro h2 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-text-body);
  text-align: center;
  margin-bottom: 0.75rem;
}
.calendar-intro .calendar-notice {
  font-style: italic;
  text-align: center;
  max-width: 40rem;
  margin: 0 auto 1rem auto;
}
.calendar-intro .calendar-contact {
  text-align: center;
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}
.calendar-intro .calendar-contact a {
  color: var(--color-blue-primary);
}

.calendar-table-wrapper {
  max-width: var(--max-width-narrow);
  margin: 0 auto 2.5rem auto;
  padding: 0 1.5rem;
  overflow-x: auto;
}

.calendar-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
}
.calendar-table th {
  background-color: var(--color-blue-light);
  color: var(--color-blue-primary);
  text-align: left;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  border: 1px solid #cbd5e1;
}
.calendar-table td {
  padding: 0.75rem 1rem;
  border: 1px solid #e2e8f0;
  vertical-align: top;
  font-size: 0.95rem;
}
.calendar-table .meeting-date {
  font-weight: 600;
  white-space: nowrap;
}
.calendar-table .meeting-note {
  display: block;
  font-weight: 400;
  font-size: 0.85rem;
  color: var(--color-text-body);
}
.calendar-table ul {
  margin: 0;
  padding-left: 1.1rem;
}
.calendar-table li {
  margin-bottom: 0.3rem;
}
.calendar-table li:last-child {
  margin-bottom: 0;
}

.status-confirmed {
  display: inline-block;
  background-color: #fef9c3;
  color: #713f12;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.1rem 0.5rem;
  border-radius: 0.25rem;
  margin-top: 0.3rem;
}

.conference-list {
  max-width: var(--max-width-narrow);
  margin: 0 auto 3rem auto;
  padding: 0 1.5rem;
}
.conference-list h2 {
  font-size: 1.5rem;
  text-align: center;
  color: var(--color-blue-primary);
  margin-bottom: 1.25rem;
}
.conference-item {
  padding: 0.9rem 0;
  border-bottom: 1px solid #e2e8f0;
}
.conference-item:last-child { border-bottom: none; }
.conference-name {
  font-weight: 600;
  margin: 0;
}
.conference-meta {
  font-size: 0.9rem;
  color: var(--color-text-body);
  margin: 0.2rem 0 0 0;
}
.conference-note {
  font-size: 0.85rem;
  color: var(--color-blue-primary);
  margin: 0.3rem 0 0 0;
}