/* ===========================================
   Connex Rewards — Institutional Site Styles
   =========================================== */

:root {
  --navy: #0F2147;
  --navy-deep: #081634;
  --navy-soft: #1B2B5F;
  --teal: #3FB8C2;
  --teal-bright: #4AC8D2;
  --teal-deep: #2A8E97;
  --cream: #F2F7F8;
  --cream-soft: #FAFBFC;
  --gray-100: #F4F6F8;
  --gray-200: #E5E9ED;
  --gray-400: #9AA5B1;
  --gray-600: #52606D;
  --gray-800: #1F2933;
  --white: #FFFFFF;
  --shadow-sm: 0 2px 6px rgba(15, 33, 71, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 33, 71, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 33, 71, 0.12);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --max-width: 1200px;
  --transition: all 0.25s ease;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--teal-deep);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--teal);
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ===== Header ===== */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  padding: 1rem 0;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo img {
  height: 44px;
  width: auto;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

nav a {
  color: var(--navy);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--teal);
  transition: var(--transition);
}

nav a:hover::after,
nav a.active::after {
  width: 100%;
}

nav a.active {
  color: var(--teal-deep);
}

.nav-cta {
  background: var(--navy);
  color: var(--white) !important;
  padding: 0.6rem 1.4rem !important;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.nav-cta::after {
  display: none;
}

.nav-cta:hover {
  background: var(--teal-deep);
  color: var(--white) !important;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--navy);
  font-size: 1.5rem;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 5rem 0 6rem;
  background:
    radial-gradient(circle at 80% 20%, rgba(63, 184, 194, 0.12), transparent 50%),
    radial-gradient(circle at 10% 80%, rgba(15, 33, 71, 0.06), transparent 50%),
    linear-gradient(180deg, var(--cream) 0%, var(--white) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(63, 184, 194, 0.15) 1px, transparent 0);
  background-size: 40px 40px;
  opacity: 0.4;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  line-height: 1.1;
  color: var(--navy);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.hero h1 .accent {
  color: var(--teal);
}

.hero p.lead {
  font-size: 1.15rem;
  color: var(--gray-600);
  margin-bottom: 2rem;
  max-width: 560px;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 0.9rem 1.8rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background: var(--navy);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--teal-deep);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--navy);
  border: 1.5px solid var(--navy);
}

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

.btn-ghost {
  background: transparent;
  color: var(--teal-deep);
  border: 1.5px solid var(--teal);
}

.btn-ghost:hover {
  background: var(--teal);
  color: var(--white);
}

.hero-visual {
  position: relative;
}

.hero-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  position: relative;
}

.hero-card::before {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--teal), var(--navy));
  z-index: -1;
  opacity: 0.1;
  filter: blur(20px);
}

.metric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.metric {
  background: var(--cream);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  border-left: 3px solid var(--teal);
}

.metric-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 0.3rem;
}

.metric-label {
  font-size: 0.8rem;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ===== Sections ===== */
section {
  padding: 5rem 0;
}

section.alt {
  background: var(--cream-soft);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal-deep);
  margin-bottom: 1rem;
  padding: 0.35rem 0.9rem;
  background: rgba(63, 184, 194, 0.1);
  border-radius: 999px;
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.2;
  color: var(--navy);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.35rem;
  color: var(--navy);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

h4 {
  font-size: 1.1rem;
  color: var(--navy);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.section-header p {
  color: var(--gray-600);
  font-size: 1.1rem;
}

/* ===== Cards & Grids ===== */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--teal);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--teal), var(--teal-deep));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  margin-bottom: 1.2rem;
  font-size: 1.4rem;
}

.card p {
  color: var(--gray-600);
  font-size: 0.95rem;
}

/* ===== Challenge / Bullets ===== */
.challenge-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  max-width: 900px;
  margin: 0 auto;
}

.challenge-item {
  background: var(--white);
  padding: 1.2rem 1.4rem;
  border-radius: var(--radius-md);
  border-left: 3px solid var(--teal);
  font-weight: 500;
  color: var(--gray-800);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  box-shadow: var(--shadow-sm);
}

.challenge-item::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--teal);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ===== Lists ===== */
.feature-list {
  list-style: none;
  padding: 0;
}

.feature-list li {
  padding: 0.5rem 0 0.5rem 1.8rem;
  position: relative;
  color: var(--gray-800);
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0.5rem;
  color: var(--teal);
  font-weight: 700;
  font-size: 1rem;
  background: rgba(63, 184, 194, 0.15);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

/* ===== Reward Categories ===== */
.reward-categories {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}

.reward-pill {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 1.5rem 1rem;
  text-align: center;
  transition: var(--transition);
}

.reward-pill:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.reward-pill .icon {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  display: block;
}

.reward-pill .name {
  font-weight: 600;
  font-size: 0.9rem;
}

/* ===== Case Study Card ===== */
.case-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.case-banner {
  background: linear-gradient(135deg, var(--navy), var(--navy-soft));
  color: var(--white);
  padding: 1.75rem 2rem;
  position: relative;
  overflow: hidden;
}

.case-banner::after {
  content: '';
  position: absolute;
  right: -50px;
  top: -50px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--teal), transparent);
  opacity: 0.2;
}

.case-banner .label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.8;
  margin-bottom: 0.4rem;
}

.case-banner h3 {
  color: var(--white);
  margin: 0;
  font-size: 1.5rem;
}

.case-body {
  padding: 1.75rem 2rem;
}

.case-section {
  margin-bottom: 1.3rem;
}

.case-section-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--teal-deep);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
  margin-top: 0.8rem;
}

.result-stat {
  background: var(--cream);
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--teal);
}

.result-stat .big {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
}

.result-stat .small {
  font-size: 0.8rem;
  color: var(--gray-600);
}

/* ===== Leadership ===== */
.leader-profiles {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

.leader-profile {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 2rem;
  align-items: start;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 16px;
  padding: 2rem;
}

.leader-photo {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(135deg, var(--teal), var(--navy));
}

.leader-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.leader-bio h4 {
  margin-bottom: 0.2rem;
  font-size: 1.25rem;
}

.leader-bio .role {
  font-size: 0.9rem;
  color: var(--teal-deep);
  font-weight: 600;
  margin-bottom: 1rem;
}

.leader-bio p {
  font-size: 0.95rem;
  color: var(--gray-600);
  margin-bottom: 0.75rem;
}

.leader-bio p:last-child {
  margin-bottom: 0;
}

@media (max-width: 640px) {
  .leader-profile {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
    gap: 1.25rem;
  }
  .leader-bio .role {
    text-align: center;
  }
  .leader-bio p {
    text-align: left;
  }
}

/* ===== Founders / Partnership ===== */
.founders {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2rem;
}

.founder-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  text-align: left;
}

.founder-name {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

/* ===== Contact Form ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
}

.contact-info h3 {
  margin-bottom: 1rem;
}

.contact-info ul {
  list-style: none;
  padding: 0;
}

.contact-info li {
  padding: 0.5rem 0;
  color: var(--gray-600);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.contact-info li::before {
  content: '→';
  color: var(--teal);
  font-weight: 700;
}

form {
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-group {
  margin-bottom: 1rem;
}

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.4rem;
}

label .req {
  color: #E15554;
}

input,
select,
textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--cream-soft);
  transition: var(--transition);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--teal);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(63, 184, 194, 0.15);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.radio-group {
  display: flex;
  gap: 1.5rem;
  padding: 0.4rem 0;
}

.radio-group label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
  cursor: pointer;
  margin-bottom: 0;
}

.radio-group input[type="radio"] {
  width: auto;
}

/* ===== CTA Strip ===== */
.cta-strip {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-soft) 100%);
  color: var(--white);
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}

.cta-strip::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--teal), transparent);
  opacity: 0.15;
}

.cta-strip h2 {
  color: var(--white);
  margin-bottom: 0.8rem;
}

.cta-strip p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.1rem;
  margin-bottom: 1.8rem;
}

.cta-strip .btn-primary {
  background: var(--teal);
  color: var(--navy-deep);
}

.cta-strip .btn-primary:hover {
  background: var(--white);
}

.cta-strip-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

/* ===== Page Hero (subpages) ===== */
.page-hero {
  background:
    radial-gradient(circle at 80% 20%, rgba(63, 184, 194, 0.1), transparent 50%),
    linear-gradient(180deg, var(--cream) 0%, var(--white) 100%);
  padding: 4rem 0 3rem;
  text-align: center;
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--navy);
  margin-bottom: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-hero p {
  font-size: 1.15rem;
  color: var(--gray-600);
  max-width: 720px;
  margin: 0 auto;
}

/* ===== Platform Diagram ===== */
.platform-block {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-bottom: 2rem;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.platform-block h3 {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.platform-block .number {
  width: 36px;
  height: 36px;
  background: var(--teal);
  color: var(--white);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
}

.outcomes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.outcome {
  background: var(--cream);
  padding: 1.2rem;
  border-radius: var(--radius-md);
  text-align: center;
  border: 1px solid var(--gray-200);
}

.outcome .icon {
  width: 40px;
  height: 40px;
  background: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.7rem;
  color: var(--teal-deep);
  font-size: 1.1rem;
  font-weight: 700;
}

.outcome .name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--navy);
}

/* ===== Audience tiles ===== */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.audience-tile {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  border: 1px solid var(--gray-200);
  border-top: 3px solid var(--teal);
  transition: var(--transition);
}

.audience-tile:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.audience-tile h3 {
  font-size: 1.15rem;
}

.audience-tile p {
  color: var(--gray-600);
  font-size: 0.92rem;
}

/* ===== Footer ===== */
footer.site-footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.75);
  padding: 4rem 0 2rem;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-brand img {
  height: 50px;
  margin-bottom: 1rem;
  background: var(--white);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  max-width: 320px;
}

.footer-col h5 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.footer-col ul {
  list-style: none;
  padding: 0;
}

.footer-col li {
  padding: 0.3rem 0;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.footer-col a:hover {
  color: var(--teal);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-bottom a {
  color: var(--teal);
}

/* ===== Hero Logo Block (homepage) ===== */
.hero-logo-block {
  display: flex;
  justify-content: center;
  padding: 0 0 3rem;
  background: linear-gradient(180deg, var(--cream) 0%, var(--white) 100%);
}

.hero-logo-block img {
  max-width: 580px;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 60px rgba(15, 33, 71, 0.10);
  border: 1px solid var(--gray-200);
}

/* ===== Partner Logo Strip ===== */
.partner-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  justify-content: center;
  align-items: center;
  padding: 1.5rem 0;
}

.partner-strip img {
  height: 56px;
  width: auto;
  opacity: 0.85;
  filter: grayscale(0.1);
  transition: var(--transition);
}

.partner-strip img:hover {
  opacity: 1;
  filter: grayscale(0);
  transform: translateY(-2px);
}

/* ===== Foundation Founders (about page) ===== */
.founder-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}

.founder-card .founder-logo {
  background: var(--cream-soft);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
}

.founder-card .founder-logo img {
  height: 64px;
  width: auto;
}

/* ===== Case Card with Logo ===== */
.case-banner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.case-banner .case-logo {
  flex-shrink: 0;
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 64px;
  min-width: 120px;
}

.case-banner .case-logo img {
  max-height: 48px;
  width: auto;
}

.case-banner .case-title {
  flex: 1;
  z-index: 1;
}

@media (max-width: 640px) {
  .case-banner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .grid-3,
  .grid-4,
  .audience-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .reward-categories {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .outcomes {
    grid-template-columns: repeat(2, 1fr);
  }
  .founders {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .container,
  .nav-wrap {
    padding: 0 1.25rem;
  }
  nav ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 1rem;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-md);
  }
  nav ul.open {
    display: flex;
  }
  .menu-toggle {
    display: block;
  }
  .grid-3,
  .grid-4,
  .grid-2,
  .audience-grid,
  .form-row,
  .results-grid,
  .reward-categories,
  .challenge-list {
    grid-template-columns: 1fr;
  }
  .outcomes {
    grid-template-columns: 1fr 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  section {
    padding: 3rem 0;
  }
  .hero {
    padding: 3rem 0 4rem;
  }
}