@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700;900&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

:root {
  --black: #0a0a0f;
  --deep: #0d1117;
  --panel: #111827;
  --card: #161d2e;
  --border: #1e2d45;
  --accent: #00c8ff;
  --accent2: #0077ff;
  --gold: #f5a623;
  --white: #f0f4ff;
  --muted: #7a8fb0;
  --font-display: 'Orbitron', monospace;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ───── STARFIELD ───── */
.starfield {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 20% 40%, rgba(0,120,255,0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(0,200,255,0.04) 0%, transparent 50%),
    var(--black);
}
.starfield canvas { position: absolute; inset: 0; width: 100%; height: 100%; }


/* ------------------------------------------------*/
/*                      NAV                        */
/* ------------------------------------------------*/
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 3rem;
  height: 80px;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,200,255,0.1);
  transition: background 0.3s;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.nav-logo img {
  height: 66px;
  width: 66px;
  border-radius: 8px;
}
.nav-logo-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  line-height: 1.2;
}
.nav-logo-text span {
  display: block;
  font-size: 0.6rem;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }

.nav-cta {
  background: linear-gradient(135deg, var(--accent2), var(--accent));
  color: var(--black) !important;
  padding: 8px 18px;
  border-radius: 4px;
  font-weight: 600 !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { opacity: 0.9; color: var(--black) !important; }

/* hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--accent);
  transition: transform 0.3s, opacity 0.3s;
}

/* ───── PAGE WRAPPER ───── */
.page { position: relative; z-index: 1; padding-top: 72px; }


/* ------------------------------------------------*/
/*                     HERO                        */
/* ------------------------------------------------*/
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url("../images/CanSatLaunch.jpg");
  background-size: cover;
  background-position: center 50%;
  filter: brightness(1.0);
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(10,10,15,0.2), var(--black) 120%);
}
.hero-content {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  padding: 6rem 3rem;
}
.hero-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-label::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--accent);
}
.hero-label::after {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--accent);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin-bottom: 1.5rem;
  max-width: 800px;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
  display: block;
}
.hero-desc {
  font-size: 1.15rem;
  max-width: 560px;
  margin-bottom: 2.5rem;
  font-weight: 300;
}
.hero-btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
  align-content: center;
}


/* ------------------------------------------------*/
/*                  CubeSat Page                   */
/* ------------------------------------------------*/
.cubesat-bg {
  position: absolute;
  inset: 0;
  background-image: url("../images/VibeTableGroup.jpg");
  background-size: cover;
  background-position: center 50%;
  filter: brightness(1.0);
}
.cubesat-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(10,10,15,0.4), var(--black) 130%);
}

.cansat-bg {
  position: absolute;
  inset: 0;
  background-image: url("../images/CanSat_bg.jpg");
  background-size: cover;
  background-position: center 50%;
  filter: brightness(1.0);
}
.cansat-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(10,10,15,0.4), var(--black) 130%);
}


/* ------------------------------------------------*/
/*                     BUTTONS                     */
/* ------------------------------------------------*/
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
}
/* .btn:hover { transform: translateY(-2px); } */

.btn-primary {
  background: linear-gradient(135deg, var(--accent2), var(--accent));
  color: var(--black);
  box-shadow: 0 8px 20px rgba(0,200,255,0.5);
}
.btn-primary:hover { box-shadow: 0 8px 30px rgba(0,200,255,0.5); }

.btn-ghost {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--gold); }


/* ------------------------------------------------*/
/*                  SECTIONS 					   */
/* ------------------------------------------------*/
.form-section {
  max-width: 1500px;
  margin: 0 auto;
  padding: 0px 100px;
}
.form-grid {
  display: grid;
  grid-template-columns: 100%;
  gap: 3rem;
  margin-top: 3rem;
}
.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 5rem 3rem;
}
.section-full {
  padding: 5rem 0;
  background: var(--deep);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-full .section { padding-top: 0; padding-bottom: 0; }

.section-label {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--accent);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1rem;
}
.section-title em {
  font-style: normal;
  color: var(--accent);
}
.section-body {
  color: var(--muted);
  max-width: 680px;
  font-weight: 300;
  font-size: 1.05rem;
}

/* ------------------------------------------------*/
/*                     CARDS                       */
/* ------------------------------------------------*/
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5px;
  margin-top: 3rem;
  border: 1.5px solid var(--border);
}
.card {
  background: var(--card);
  padding: 2.5rem;
  transition: background 0.3s;
  border: none;
}
.card:hover { background: #1a2540; }
.card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, rgba(0,120,255,0.2), rgba(0,200,255,0.1));
  border: 1px solid rgba(0,200,255,0.2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}
.card h3 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
  color: var(--white);
}
.card p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.65;
  font-weight: 300;
}


/* ------------------------------------------------*/
/*                CHALLENGES SPLIT                 */
/* ------------------------------------------------*/
.challenges {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5px;
  margin-top: 3rem;
  border: 1.5px solid var(--border);
}
.challenge-panel {
  background: var(--card);
  padding: 3.5rem;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: background 0.3s;
}
.challenge-panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}
.challenge-panel.cansat::before { background: linear-gradient(to right, var(--accent2), var(--accent)); }
.challenge-panel.cubesat::before { background: linear-gradient(to right, var(--gold), #ff6b35); }
.challenge-panel:hover { background: #1a2540; }
.challenge-tag {
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 2px;
  display: inline-block;
  margin-bottom: 1.5rem;
}
.challenge-panel.cansat .challenge-tag {
  background: rgba(0,200,255,0.1);
  color: var(--accent);
  border: 1px solid rgba(0,200,255,0.2);
}
.challenge-panel.cubesat .challenge-tag {
  background: rgba(245,166,35,0.1);
  color: var(--gold);
  border: 1px solid rgba(245,166,35,0.2);
}
.challenge-panel h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 900;
  margin-bottom: 1rem;
}
.challenge-panel p {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.7;
  margin-bottom: 2rem;
}
.challenge-arrow {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.challenge-panel.cansat .challenge-arrow { color: var(--accent); }
.challenge-panel.cubesat .challenge-arrow { color: var(--gold); }

/* ------------------------------------------------*/
/* ───── STATS BAR ───── */
/* ------------------------------------------------*/
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1.5px solid var(--border);
  margin: 3rem 0;
}
.stat {
  padding: 2rem;
  text-align: center;
  border-right: 1px solid var(--border);
}
.stat:last-child { border-right: none; }
.stat-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--accent);
  display: block;
  line-height: 1;
}
.stat-label {
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 6px;
  display: block;
  font-weight: 400;
}


/* ------------------------------------------------*/
/*             PAGE HERO (inner pages)             */
/* ------------------------------------------------*/
.page-hero {
  padding: 7rem 3rem 4rem;
  max-width: 1100px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}
.page-hero-meta {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1rem;
}
.page-hero p {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 640px;
  font-weight: 300;
}

/* ───── INFO GRID ───── */
.info-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  margin-top: 3rem;
}
.info-content h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  margin: 2rem 0 0.75rem;
  letter-spacing: 0.05em;
}
.info-content h2:first-child { margin-top: 0; }
.info-content p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.75;
  font-weight: 300;
  margin-bottom: 1rem;
}
.info-content ul {
  list-style: none;
  margin-bottom: 1.5rem;
}
.info-content ul li {
  color: var(--muted);
  font-size: 0.9rem;
  padding: 6px 0 6px 1.5rem;
  position: relative;
  font-weight: 300;
}
.info-content ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.8rem;
}
.info-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* ───── CALLOUT BOXES ───── */
.callout {
  border: 1px solid var(--border);
  background: var(--card);
  padding: 1.5rem;
  border-radius: 4px;
}
.callout-title {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.callout p, .callout a {
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 300;
  line-height: 1.6;
}
.callout a { color: var(--accent); }
.callout.gold { border-color: rgba(245,166,35,0.3); }
.callout.gold .callout-title { color: var(--gold); }

/* ───── TUTORIAL TABLE ───── */
.tut-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1.5rem;
  font-size: 0.88rem;
}
.tut-table th {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.tut-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(30,45,69,0.5);
  color: var(--muted);
  font-weight: 300;
  vertical-align: top;
}
.tut-table td:first-child { color: var(--white); font-weight: 400; }
.tut-table a { color: var(--accent); text-decoration: none; }
.tut-table a:hover { text-decoration: underline; }


/* ------------------------------------------------*/
/*             BOARD OF DIRECTORS                  */
/* ------------------------------------------------*/
.bod-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5px;
  border: 1.5px solid var(--border);
  margin-top: 3rem;
}
.bod-card {
  background: var(--card);
  padding: 2rem;
  transition: background 0.3s;
}
.bod-card:hover { background: #1a2540; }
.bod-name {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--white);
  margin-bottom: 0.35rem;
}
.bod-role {
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 0.75rem;
}
.bod-bio {
  font-size: 0.88rem;
  color: var(--muted);
  font-weight: 300;
  line-height: 1.65;
}
.bod-portrait {
  width: 150px;
  height: 150px;
}

/* ------------------------------------------------*/
/*                  CONTACT                        */
/* ------------------------------------------------*/
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 3rem;
}
.contact-form label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
  margin-top: 1.25rem;
}
.contact-form label:first-child { margin-top: 0; }
.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--white);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  border-radius: 4px;
  transition: border-color 0.2s;
}
.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  border-color: var(--accent);
}
.contact-form textarea { min-height: 140px; resize: vertical; }
.contact-form select option { background: var(--card); }

.contact-submit {
  margin-top: 1.5rem;
  width: 100%;
}
.contact-info-block {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.contact-info-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.contact-info-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: rgba(0,200,255,0.08);
  border: 1px solid rgba(0,200,255,0.15);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}
.contact-info-text strong {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 4px;
}
.contact-info-text span {
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 300;
}
.contact-info-text a {
  color: var(--muted);
  text-decoration: none;
}
.contact-info-text a:hover { color: var(--accent); }


/* ───── SUPPORTERS ───── */
.supporters {
  text-align: center;
  padding: 3rem;
  border-top: 1px solid var(--border);
}
.supporters-title {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2rem;
}
.supporters-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}
.supporter-badge {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 8px 18px;
  border-radius: 2px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.05em;
}

/* ───── FOOTER ───── */
footer {
  background: var(--deep);
  border-top: 1px solid var(--border);
  padding: 3rem;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
}
.footer-brand img { height: 40px; width: 40px; border-radius: 6px; margin-bottom: 1rem; }
.footer-brand p {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 300;
  line-height: 1.65;
  max-width: 260px;
}
.footer-brand .charity {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--font-display);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  border: 1px solid rgba(0,200,255,0.2);
  padding: 4px 8px;
  border-radius: 2px;
}
.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 1rem;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.5rem; }
.footer-col ul a {
  text-decoration: none;
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 300;
  transition: color 0.2s;
}
.footer-col ul a:hover { color: var(--accent); }
.footer-bottom {
  max-width: 1100px;
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 300;
}
.footer-bottom a { color: var(--muted); text-decoration: none; }
.footer-bottom a:hover { color: var(--accent); }

/* ───── PHOTO STRIP ───── */
.photo-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
  overflow: hidden;
  max-height: 300px;
}
.photo-strip-item {
  overflow: hidden;
  position: relative;
}
.photo-strip-item img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  display: block;
  filter: brightness(0.7) saturate(0.8);
  transition: transform 0.6s, filter 0.3s;
}
.photo-strip-item:hover img {
  transform: scale(1.04);
  filter: brightness(0.9) saturate(1);
}

/* ───── DONATE BAND ───── */
.donate-band {
  background: linear-gradient(135deg, rgba(0,120,255,0.12), rgba(0,200,255,0.06));
  border: 1px solid rgba(0,200,255,0.15);
  padding: 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  margin: 0 auto;
  max-width: 1100px;
}
.donate-band-text h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.donate-band-text p {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 300;
}

/* ───── BADGE ───── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 2px;
}
.badge-blue { background: rgba(0,200,255,0.1); color: var(--accent); border: 1px solid rgba(0,200,255,0.2); }
.badge-gold { background: rgba(245,166,35,0.1); color: var(--gold); border: 1px solid rgba(245,166,35,0.2); }
.badge-green { background: rgba(0,255,120,0.1); color: #00ff78; border: 1px solid rgba(0,255,120,0.2); }

/* ───── RESPONSIVE ───── */
@media (max-width: 900px) {
  nav { padding: 0 1.5rem; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: rgba(10,10,15,0.98);
    padding: 1.5rem;
    gap: 1.25rem;
    border-bottom: 1px solid var(--border);
  }
  .challenges { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat { border-right: none; border-bottom: 1px solid var(--border); }
  .stat:last-child, .stat:nth-last-child(2) { border-bottom: none; }
  .info-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .section { padding: 3rem 1.5rem; }
  .page-hero { padding: 5rem 1.5rem 3rem; }
  .photo-strip { grid-template-columns: 1fr 1fr; max-height: 200px; }
  .photo-strip-item:last-child { display: none; }
}
@media (max-width: 600px) {
  .hero-content { padding: 4rem 1.5rem; }
  .footer-inner { grid-template-columns: 1fr; }
  .bod-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .donate-band { flex-direction: column; text-align: center; }
}