/* ============================================================
   TechGrid — global stylesheet
   Brand palette (from logo only):
     Navy   #1E2A5E   (primary text + ink)
     Red    #DC1F26   (accent)
     Cyan   #4DDDDA   (small accent)
     White  #FFFFFF
   Type scale (3 sizes only — strict):
     Header   32–48px   h1, h2
     Subhead  22px      h3, h4 (short headings only)
     Body     16px      ALL paragraph copy
   UI label tier (--fs-min, 14px) is NOT body copy — used only for
   eyebrows, button text, dates, breadcrumbs, form labels, footer fine
   print, and other short uppercase UI accents. Anything longer than
   one sentence MUST use body (--fs-body).
   ============================================================ */

:root {
  --navy: #1E2A5E;
  --navy-2: #2C3A75;
  --red: #DC1F26;
  --red-2: #B61A20;
  --cyan: #4DDDDA;
  --cyan-2: #2FB8B5;

  --white: #FFFFFF;
  --bg: #FFFFFF;
  --surface: #F5F6FA;
  --surface-2: #ECEEF5;
  --border: #DDE1EC;
  --border-strong: #C5CBDC;

  --text: #1E2A5E;
  --text-soft: #3A4575;
  --text-muted: #6E7796;

  --font-display: "Space Grotesk", "Inter", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;

  --container: 1200px;
  --radius: 14px;
  --radius-sm: 8px;

  --t-fast: 180ms cubic-bezier(.4,0,.2,1);
  --t-med:  320ms cubic-bezier(.4,0,.2,1);
  --t-slow: 600ms cubic-bezier(.16,1,.3,1);

  /* The 3 font sizes — used everywhere */
  --fs-header:  clamp(2rem, 4.4vw, 3rem);   /* 32–48px */
  --fs-sub:     1.375rem;                    /* 22px */
  --fs-body:    1rem;                        /* 16px */
  --fs-min:     0.875rem;                    /* 14px floor */
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  font-size: var(--fs-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--red); }

button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

::selection { background: var(--red); color: var(--white); }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--surface); }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--navy); }

/* ============================================================
   Layout helpers
   ============================================================ */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.section { padding: 110px 0; position: relative; }
.section-sm { padding: 70px 0; }
.section-tight { padding: 50px 0; }

/* Eyebrow is a UI label, not body copy — uses the 14px UI label tier */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: var(--fs-min);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 22px;
}
.eyebrow::before {
  content: "";
  width: 36px;
  height: 2px;
  background: var(--red);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.1;
  color: var(--navy);
}

/* Only two heading sizes are used: header and subhead */
h1, h2 { font-size: var(--fs-header); margin-bottom: 24px; }
h3, h4 { font-size: var(--fs-sub); margin-bottom: 14px; line-height: 1.25; }

/* Lede is still a paragraph — body size, not subhead. Distinguished by
   width/line-height/color, not by font-size. */
.lede {
  font-size: var(--fs-body);
  color: var(--text-soft);
  max-width: 760px;
  line-height: 1.6;
  font-weight: 400;
}

p {
  color: var(--text-soft);
  font-size: var(--fs-body);
}
p + p { margin-top: 14px; }

.text-red { color: var(--red) !important; }
.text-cyan { color: var(--cyan-2) !important; }
.text-navy { color: var(--navy) !important; }
.text-center { text-align: center; }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-display);
  font-size: var(--fs-min);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: 4px;
  transition: all var(--t-med);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}
.btn-primary:hover {
  background: var(--red-2);
  border-color: var(--red-2);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(220,31,38,0.25);
}

.btn-navy {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn-navy:hover {
  background: var(--navy-2);
  border-color: var(--navy-2);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-ghost {
  border-color: var(--navy);
  color: var(--navy);
  background: transparent;
}
.btn-ghost:hover {
  background: var(--navy);
  color: var(--white);
}

.btn-arrow::after {
  content: "→";
  display: inline-block;
  transition: transform var(--t-fast);
}
.btn-arrow:hover::after { transform: translateX(4px); }

/* ============================================================
   Header / nav  (white, with subtle shadow on scroll)
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: all var(--t-med);
  background: rgba(30,42,94,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(30,42,94,0.98);
  backdrop-filter: blur(14px);
  border-bottom-color: rgba(255,255,255,0.12);
  padding: 12px 0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.18);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.06em;
  font-size: var(--fs-body);
  color: var(--white);
}
.brand img { height: 110px; width: auto; transition: height var(--t-med); }
.site-header.scrolled .brand img { height: 80px; }
@media (max-width: 700px) {
  .brand img { height: 72px; }
  .site-header.scrolled .brand img { height: 60px; }
}
.brand:hover { color: var(--white); }

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-list > li { position: relative; }
.nav-list > li > a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  font-family: var(--font-display);
  font-size: var(--fs-min);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--white);
  border-radius: 6px;
  transition: all var(--t-fast);
}
.nav-list > li > a:hover { color: var(--cyan); }
.nav-list > li > a.active { color: var(--cyan); }
.nav-list > li > a .caret {
  width: 7px; height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin-top: -3px;
  transition: transform var(--t-fast);
}
.nav-list > li:hover > a .caret { transform: rotate(225deg); margin-top: 2px; }

.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 240px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: all var(--t-fast);
  box-shadow: 0 16px 40px rgba(30,42,94,0.12);
}
.nav-list > li:hover > .dropdown,
.nav-list > li:focus-within > .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown a {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-display);
  font-size: var(--fs-min);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--navy);
  border-radius: 6px;
}
.dropdown a:hover { color: var(--red); background: var(--surface); }

.nav-cta { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.3);
  align-items: center;
  justify-content: center;
  background: transparent;
}
.nav-toggle span {
  width: 18px; height: 2px;
  background: var(--white);
  position: relative;
}
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0;
  width: 18px; height: 2px; background: var(--white);
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after  { top:  6px; }

@media (max-width: 1080px) {
  .nav-list, .nav-cta .btn { display: none; }
  .nav-toggle { display: inline-flex; }
}

/* ============================================================
   Hero  (white background, navy + red ink, light grid)
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 170px 0 90px;
  background: var(--white);
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(700px 500px at 80% 25%, rgba(77,221,218,0.12), transparent 60%),
    radial-gradient(800px 600px at 10% 85%, rgba(220,31,38,0.06), transparent 60%);
  z-index: 0;
}
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(30,42,94,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30,42,94,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 100% 80% at 50% 50%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 100% 80% at 50% 50%, #000 30%, transparent 75%);
  z-index: 1;
}
#hero-particles {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  z-index: 1;
  pointer-events: none;
  display: block;
  opacity: 0.7;
}
.hero-inner {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 60px;
  align-items: center;
}
.hero-inner-wide {
  grid-template-columns: 1fr;
  max-width: 880px;
}
.hero-inner-wide h1 { max-width: 880px; }
.hero h1 .accent { display: block; color: var(--red); }
.hero h1 .underline {
  position: relative; display: inline-block;
}
.hero h1 .underline::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: -6px; height: 4px;
  background: var(--red);
  border-radius: 4px;
}
.hero-sub {
  margin-top: 28px;
  max-width: 560px;
  font-size: var(--fs-body);
  color: var(--text-soft);
  line-height: 1.6;
}
.hero-actions {
  margin-top: 38px;
  display: flex; gap: 14px; flex-wrap: wrap;
}

.hero-emblem {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  aspect-ratio: 1;
}
.hero-emblem img { width: 100%; max-width: 460px; position: relative; z-index: 2; }
.hero-emblem .ring {
  position: absolute; inset: 0;
  border: 1px solid rgba(30,42,94,0.18);
  border-radius: 50%;
  animation: rotate 30s linear infinite;
}
.hero-emblem .ring.r2 {
  inset: 14%;
  border-color: rgba(220,31,38,0.25);
  border-style: dashed;
  animation-direction: reverse;
  animation-duration: 22s;
}
.hero-emblem .ring.r3 {
  inset: 30%;
  border-color: rgba(77,221,218,0.4);
  animation-duration: 50s;
}
@keyframes rotate { to { transform: rotate(360deg); } }

@media (max-width: 920px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-emblem { display: none; }
}

/* Scroll indicator removed — caused overlap with hero buttons on mobile */

/* ============================================================
   Stat strip
   ============================================================ */
.stat-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat {
  padding: 50px 30px;
  text-align: center;
  border-right: 1px solid var(--border);
}
.stat:last-child { border-right: none; }
.stat-value {
  font-family: var(--font-display);
  font-size: var(--fs-header);
  font-weight: 700;
  color: var(--red);
  letter-spacing: -0.03em;
  line-height: 1;
}
.stat-label {
  display: block;
  margin-top: 10px;
  font-size: var(--fs-min);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
}
@media (max-width: 760px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--border); }
}

/* ============================================================
   Programs grid (cards)
   ============================================================ */
.section-head {
  max-width: 760px;
  margin-bottom: 60px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }

.programs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
@media (max-width: 980px) { .programs-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .programs-grid { grid-template-columns: 1fr; } }

.program-card {
  position: relative;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--border);
  transition: transform var(--t-med), border-color var(--t-med), box-shadow var(--t-med);
  cursor: pointer;
  color: var(--navy);
}
.program-card .photo {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--surface);
}
.program-card .photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow);
}
.program-card .photo::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(30,42,94,0.45) 100%);
}
.program-card .photo .num {
  position: absolute;
  top: 16px; left: 16px;
  background: var(--red);
  color: var(--white);
  padding: 6px 12px;
  font-family: var(--font-display);
  font-size: var(--fs-min);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
  border-radius: 4px;
  z-index: 1;
}
.program-card:hover { transform: translateY(-6px); border-color: var(--red); box-shadow: 0 20px 40px rgba(30,42,94,0.15); }
.program-card:hover .photo img { transform: scale(1.06); }
.program-card .body {
  padding: 24px;
  background: var(--white);
}
.program-card h3 { color: var(--navy); margin-bottom: 10px; }
.program-card p {
  color: var(--text-soft);
  font-size: var(--fs-body);
  line-height: 1.5;
}
.program-card .more {
  margin-top: 16px;
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display);
  font-size: var(--fs-min);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
  font-weight: 700;
}

/* ============================================================
   Mission split
   ============================================================ */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 50px; } }

.bullet-list { list-style: none; margin-top: 28px; }
.bullet-list li {
  position: relative;
  padding: 18px 0 18px 38px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-size: var(--fs-body);
}
.bullet-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 26px;
  width: 22px; height: 2px;
  background: var(--red);
}
.bullet-list li strong {
  color: var(--red);
  display: block;
  font-family: var(--font-display);
  letter-spacing: 0.16em;
  font-size: var(--fs-min);
  text-transform: uppercase;
  margin-bottom: 4px;
  font-weight: 700;
}

/* ============================================================
   Partners grid (static, full color)
   ============================================================ */
.partners-block { background: var(--white); }
.partners-group + .partners-group { margin-top: 60px; }
.partners-group h3 {
  font-family: var(--font-display);
  font-size: var(--fs-min);
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 24px;
  text-align: center;
}
.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
}
@media (max-width: 940px) { .partners-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 540px) { .partners-grid { grid-template-columns: repeat(2, 1fr); } }

.partners-grid .cell {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 36px 28px;
  min-height: 180px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--white);
}
.partners-grid .cell img {
  max-height: 110px;
  max-width: 90%;
  width: auto;
  height: auto;
  object-fit: contain;
}

/* ============================================================
   Dark section variant
   ============================================================ */
.section-dark {
  background: var(--navy);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.section-dark::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 100% 80% at 50% 50%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 100% 80% at 50% 50%, #000 30%, transparent 80%);
  pointer-events: none;
}
.section-dark > .container { position: relative; z-index: 1; }
.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 { color: var(--white); }
.section-dark p { color: rgba(255,255,255,0.82); }
.section-dark .lede { color: rgba(255,255,255,0.85); }
.section-dark .eyebrow { color: var(--cyan); }
.section-dark .eyebrow::before { background: var(--cyan); }
.section-dark .stat { border-right-color: rgba(255,255,255,0.12); }
.section-dark .stat-value { color: var(--cyan); }
.section-dark .stat-label { color: rgba(255,255,255,0.7); }
.section-dark .event-card {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.12);
}
.section-dark .event-card h3 { color: var(--white); }
.section-dark .event-card p { color: rgba(255,255,255,0.8); }
.section-dark .event-card:hover { border-color: var(--cyan); background: rgba(255,255,255,0.06); box-shadow: none; }
.section-dark .event-date .day { color: var(--cyan); }
.section-dark .event-date .month { color: rgba(255,255,255,0.7); }
.section-dark .event-meta { color: rgba(255,255,255,0.6); border-top-color: rgba(255,255,255,0.1); }
.section-dark .btn-ghost { border-color: var(--white); color: var(--white); }
.section-dark .btn-ghost:hover { background: var(--white); color: var(--navy); }

/* ============================================================
   Event cards
   ============================================================ */
.events-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 940px) { .events-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .events-grid { grid-template-columns: 1fr; } }

.event-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--t-med);
  display: flex;
  flex-direction: column;
}
.event-card:hover {
  border-color: var(--red);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(30,42,94,0.08);
}
.event-date {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}
.event-date .day { font-size: var(--fs-header); font-weight: 700; color: var(--red); line-height: 1; }
.event-date .month { font-size: var(--fs-min); text-transform: uppercase; color: var(--text-muted); font-weight: 600; letter-spacing: 0.18em; }
.event-card h3 { color: var(--navy); }
.event-card p { font-size: var(--fs-body); }
.event-meta {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  font-size: var(--fs-min);
  color: var(--text-muted);
  display: flex; flex-direction: column; gap: 6px;
  letter-spacing: 0.06em;
}

/* ============================================================
   Events slider (homepage carousel)
   ============================================================ */
.slider-controls { display: flex; gap: 10px; }
.slider-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.3);
  background: transparent;
  color: var(--white);
  font-family: var(--font-display);
  font-size: var(--fs-sub);
  line-height: 1;
  cursor: pointer;
  transition: all var(--t-fast);
  display: inline-flex; align-items: center; justify-content: center;
}
.slider-btn:hover {
  background: var(--white);
  color: var(--navy);
  border-color: var(--white);
  transform: translateY(-2px);
}
.slider-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  transform: none;
}

.events-slider {
  position: relative;
  margin-top: 40px;
}
.events-track {
  display: flex;
  gap: 22px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 6px 0 18px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.events-track::-webkit-scrollbar { display: none; }

.events-track > .slide {
  flex: 0 0 calc((100% - 44px) / 3);
  scroll-snap-align: start;
}
@media (max-width: 940px) {
  .events-track > .slide { flex: 0 0 calc((100% - 22px) / 2); }
}
@media (max-width: 640px) {
  .events-track > .slide { flex: 0 0 88%; }
}

.event-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--fs-min);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 16px;
}

.section-dark .event-tag { color: var(--cyan); }

.slide-cta {
  background: linear-gradient(135deg, rgba(220,31,38,0.18) 0%, rgba(77,221,218,0.10) 100%) !important;
  border-color: rgba(255,255,255,0.18) !important;
  display: flex; flex-direction: column; justify-content: center;
  text-align: left;
}
.slide-cta:hover {
  border-color: var(--cyan) !important;
  transform: translateY(-4px);
}
.slide-cta .cta-arrow {
  font-family: var(--font-display);
  font-size: var(--fs-header);
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
  margin-bottom: 18px;
}
.slide-cta h3 { color: var(--white); margin-bottom: 12px; }
.slide-cta p { color: rgba(255,255,255,0.78); margin-bottom: 18px; }
.slide-cta .cta-label {
  font-family: var(--font-display);
  font-size: var(--fs-min);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--white);
  font-weight: 700;
  border-bottom: 1px solid var(--white);
  padding-bottom: 4px;
  display: inline-block;
  align-self: flex-start;
}

/* ============================================================
   CTA banner (navy)
   ============================================================ */
.cta-banner {
  position: relative;
  padding: 90px 50px;
  border-radius: 20px;
  background: var(--navy);
  overflow: hidden;
  text-align: center;
  color: var(--white);
}
.cta-banner::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, #000 30%, transparent 80%);
}
.cta-banner::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(500px 300px at 80% 30%, rgba(77,221,218,0.18), transparent 60%),
    radial-gradient(500px 300px at 10% 80%, rgba(220,31,38,0.2), transparent 60%);
}
.cta-banner > * { position: relative; z-index: 1; }
.cta-banner h2 { color: var(--white); max-width: 720px; margin: 0 auto 18px; }
.cta-banner p { color: rgba(255,255,255,0.85); max-width: 580px; margin: 0 auto 30px; font-size: var(--fs-body); line-height: 1.6; }
.cta-banner .eyebrow { color: var(--cyan); }
.cta-banner .eyebrow::before { background: var(--cyan); }

/* ============================================================
   Footer (navy)
   ============================================================ */
.site-footer {
  background: var(--navy);
  color: var(--white);
  padding: 90px 0 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 60px;
}
@media (max-width: 880px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .footer-grid { grid-template-columns: 1fr; gap: 40px; } }

.footer-brand img { height: 80px; margin-bottom: 18px; }
.footer-brand p { color: rgba(255,255,255,0.75); font-size: var(--fs-body); max-width: 340px; }
.footer-col h4 {
  font-size: var(--fs-min);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 18px;
  font-weight: 700;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a, .footer-col li { color: rgba(255,255,255,0.78); font-size: var(--fs-body); }
.footer-col a:hover { color: var(--white); }

.footer-social {
  display: flex; gap: 12px; margin-top: 18px;
}
.footer-social a {
  width: 40px; height: 40px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--white);
  transition: all var(--t-fast);
}
.footer-social a:hover { border-color: var(--red); background: var(--red); transform: translateY(-2px); }
.footer-social svg { width: 16px; height: 16px; fill: currentColor; }

.footer-bottom {
  margin-top: 60px;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px;
  font-size: var(--fs-min);
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.04em;
}

/* ============================================================
   Newsletter
   ============================================================ */
.newsletter {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 14px;
}
.newsletter input {
  width: 100%;
  padding: 12px 14px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--white);
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: var(--fs-body);
}
.newsletter input::placeholder { color: rgba(255,255,255,0.5); }
.newsletter input:focus { outline: none; border-color: var(--cyan); background: rgba(255,255,255,0.12); }
.newsletter button {
  padding: 12px 18px;
  background: var(--red);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-min);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border-radius: 6px;
  transition: background var(--t-fast);
  cursor: pointer;
  margin-top: 4px;
}
.newsletter button:hover { background: var(--red-2); }
.newsletter button:disabled { opacity: 0.6; cursor: not-allowed; }
.newsletter .form-note {
  display: block;
  margin-top: 6px;
  font-size: var(--fs-min);
  color: rgba(255,255,255,0.7);
}

/* ============================================================
   Page hero (interior pages — light)
   ============================================================ */
.page-hero {
  position: relative;
  padding: 210px 0 100px;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(700px 400px at 25% 50%, rgba(220,31,38,0.06), transparent 60%),
    radial-gradient(700px 400px at 80% 30%, rgba(77,221,218,0.1), transparent 60%);
}
.page-hero::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(30,42,94,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30,42,94,0.05) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, #000 30%, transparent 80%);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero .crumbs {
  font-family: var(--font-display);
  font-size: var(--fs-min);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 18px;
  font-weight: 600;
}
.page-hero .crumbs a:hover { color: var(--red); }
.page-hero h1 { max-width: 900px; }
.page-hero p { margin-top: 22px; max-width: 720px; font-size: var(--fs-body); line-height: 1.6; }
.page-hero .partner-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 26px;
  margin-bottom: 26px;
  max-width: 240px;
}
.page-hero .partner-mark img { max-height: 64px; width: auto; object-fit: contain; }
.page-hero-media {
  margin-top: 50px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 20px 50px rgba(30,42,94,0.08);
}
.page-hero-media img { width: 100%; height: auto; display: block; }
.media-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 40px;
}
@media (max-width: 800px) { .media-band { grid-template-columns: 1fr; } }
.media-band .tile {
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  position: relative;
}
.media-band .tile img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-med); }
.media-band .tile:hover img { transform: scale(1.04); }

/* ============================================================
   Team / bio cards
   ============================================================ */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 940px) { .team-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .team-grid { grid-template-columns: 1fr; } }

.bio-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--t-med);
}
.bio-card:hover {
  border-color: var(--red);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(30,42,94,0.08);
}
.bio-card .avatar {
  width: 100%;
  aspect-ratio: 4 / 5;
  max-width: 280px;
  border-radius: 14px;
  background: var(--surface);
  margin: 0 auto 22px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.bio-card .avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.bio-card .role {
  font-family: var(--font-display);
  font-size: var(--fs-min);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 6px;
  font-weight: 700;
}
.bio-card h3 { color: var(--navy); }
.bio-card p { font-size: var(--fs-body); line-height: 1.55; }

.attend-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.attend-actions .btn {
  flex: 1 1 auto;
  min-width: 140px;
  padding: 10px 16px;
  font-size: var(--fs-min);
}

/* ============================================================
   Admin dashboard
   ============================================================ */
.admin-wrap { max-width: 880px; margin: 0 auto; }
.admin-wrap .eyebrow { color: var(--red); }

.admin-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  margin-top: 30px;
}
@media (max-width: 760px) { .admin-grid { grid-template-columns: 1fr; } }

.admin-card {
  display: block;
  padding: 32px 28px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--navy);
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.admin-card:hover {
  border-color: var(--red);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(30,42,94,0.08);
  color: var(--navy);
}
.admin-card .num {
  font-family: var(--font-display);
  font-size: var(--fs-min);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 12px;
}
.admin-card h3 { color: var(--navy); margin-bottom: 8px; }
.admin-card p { font-size: var(--fs-body); color: var(--ink, var(--navy)); opacity: 0.78; }
.admin-card .more { display: inline-block; margin-top: 14px; color: var(--red); font-size: var(--fs-min); letter-spacing: 0.14em; text-transform: uppercase; font-weight: 600; }

.admin-block {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 22px;
}
.admin-block h2 {
  font-family: var(--font-display);
  font-size: var(--fs-sub);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 22px;
}

.admin-form { display: flex; flex-direction: column; gap: 18px; }
.admin-form .field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 700px) { .admin-form .field-row { grid-template-columns: 1fr; } }

.admin-form label {
  display: block;
  font-family: var(--font-display);
  font-size: var(--fs-min);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 6px;
  font-weight: 600;
}
.admin-form input[type="text"],
.admin-form input[type="url"],
.admin-form input[type="file"],
.admin-form select,
.admin-form textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--navy);
}
.admin-form textarea { min-height: 100px; resize: vertical; line-height: 1.5; }
.admin-form input:focus, .admin-form select:focus, .admin-form textarea:focus {
  outline: none;
  border-color: var(--red);
  background: var(--white);
}

.admin-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }

.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: var(--navy);
  color: var(--white);
  padding: 14px 22px;
  border-radius: 10px;
  font-size: var(--fs-min);
  letter-spacing: 0.06em;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.25s, transform 0.25s;
  pointer-events: none;
  z-index: 9999;
}
.toast.show { opacity: 1; transform: none; }

.photo-preview img {
  width: 90px;
  height: 110px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.clear-photo-btn {
  margin-top: 8px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--navy);
  padding: 8px 14px;
  font-size: var(--fs-min);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 8px;
  cursor: pointer;
}
.clear-photo-btn:hover { border-color: var(--red); color: var(--red); }

/* ============================================================
   Tech bridges grid
   ============================================================ */
.bridges-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
@media (max-width: 940px) { .bridges-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .bridges-grid { grid-template-columns: 1fr; } }

.bridge {
  display: flex;
  flex-direction: column;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--navy);
  transition: all var(--t-med);
}
.bridge:hover {
  border-color: var(--red);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(30,42,94,0.08);
}
.bridge h4 {
  font-family: var(--font-display);
  font-size: var(--fs-sub);
  letter-spacing: 0.04em;
  color: var(--navy);
  margin-bottom: 10px;
}
.bridge p {
  font-size: var(--fs-body);
  color: var(--text-soft);
  line-height: 1.5;
}
.bridge-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 120px;
  margin-bottom: 24px;
  padding: 12px 8px;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}
.bridge-logo img {
  max-height: 96px;
  max-width: 80%;
  width: auto;
  height: auto;
  object-fit: contain;
  mix-blend-mode: multiply;
}
.bridge .more {
  display: inline-block;
  margin-top: auto;
  padding-top: 16px;
  font-family: var(--font-display);
  font-size: var(--fs-min);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  font-weight: 600;
}
.bridge:hover .more { color: var(--red-2); }

/* ============================================================
   Forms
   ============================================================ */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 600px) { .form-grid { grid-template-columns: 1fr; } }

.form-field {
  display: flex; flex-direction: column; gap: 8px;
}
.form-field label {
  font-family: var(--font-display);
  font-size: var(--fs-min);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
}
.form-field input, .form-field textarea {
  padding: 14px 16px;
  background: var(--white);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  font-family: inherit;
  font-size: var(--fs-body);
  transition: border-color var(--t-fast), background var(--t-fast);
}
.form-field input:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--red);
  background: var(--white);
}
.form-field textarea { resize: vertical; min-height: 140px; }

/* ============================================================
   Reveal-on-scroll
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 700ms cubic-bezier(.16,1,.3,1), transform 700ms cubic-bezier(.16,1,.3,1);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms cubic-bezier(.16,1,.3,1), transform 600ms cubic-bezier(.16,1,.3,1);
}
.reveal-stagger.in > * { opacity: 1; transform: translateY(0); }
.reveal-stagger.in > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.in > *:nth-child(2) { transition-delay: 80ms; }
.reveal-stagger.in > *:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger.in > *:nth-child(4) { transition-delay: 240ms; }
.reveal-stagger.in > *:nth-child(5) { transition-delay: 320ms; }
.reveal-stagger.in > *:nth-child(6) { transition-delay: 400ms; }
.reveal-stagger.in > *:nth-child(7) { transition-delay: 480ms; }
.reveal-stagger.in > *:nth-child(8) { transition-delay: 560ms; }

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

/* ============================================================
   Mobile / responsive overrides — tightens spacing, fixes touch
   ============================================================ */
@media (max-width: 700px) {
  /* Tighter container gutters on small screens */
  .container { padding: 0 20px; }

  /* Section vertical rhythm — too cavernous at 110/70 on phones */
  .section    { padding: 64px 0; }
  .section-sm { padding: 48px 0; }
  .section-tight { padding: 36px 0; }

  /* Hero — must clear ~108px navbar (72px logo + 36px padding) with breathing room */
  .hero { padding: 140px 0 70px; min-height: auto; }
  .hero-actions { gap: 10px; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  /* Page hero (interior pages) */
  .page-hero { padding: 150px 0 60px; }

  /* Section heads — dial back margin so content shows up faster */
  .section-head { margin-bottom: 36px; }

  /* CTA banner — 50px horizontal padding overflowed on small screens */
  .cta-banner { padding: 56px 24px; border-radius: 16px; }

  /* Programs grid — make image area shorter so cards aren't a tall column */
  .program-card .photo { aspect-ratio: 16 / 10; }

  /* Bridge cards — tighten internal padding */
  .bridge { padding: 22px; }
  .bridge-logo { height: 100px; }

  /* Bio cards — avatar was 4/5 max-width 280px; constrain on mobile */
  .bio-card { padding: 22px; }
  .bio-card .avatar { max-width: 220px; }

  /* Events slider — make arrows easier to thumb-tap, wrap below header */
  .slider-controls { width: 100%; justify-content: flex-end; }
  .slider-btn { width: 48px; height: 48px; }

  /* Form inputs — must be 16px+ to prevent iOS auto-zoom on focus */
  .form-field input, .form-field textarea,
  .newsletter input, .admin-form input, .admin-form textarea, .admin-form select {
    font-size: 16px;
  }

  /* Footer — tighter top padding, simpler social row */
  .site-footer { padding: 56px 0 30px; }
  .footer-grid { gap: 36px; }

  /* Buttons — guarantee minimum 44px tap target */
  .btn { padding: 14px 22px; min-height: 44px; }
}

/* Very small screens (≤400px) — extra dial-down (still clear navbar) */
@media (max-width: 400px) {
  .container { padding: 0 16px; }
  .hero { padding: 130px 0 60px; }
  .page-hero { padding: 140px 0 50px; }
  .cta-banner { padding: 48px 20px; }
}

/* Prevent any element from causing horizontal overflow on mobile */
@media (max-width: 940px) {
  img, video, canvas, iframe { max-width: 100%; }
  pre { overflow-x: auto; }
}

/* ============================================================
   Mobile drawer
   ============================================================ */
.mobile-drawer {
  position: fixed;
  inset: 0;
  background: var(--white);
  z-index: 200;
  padding: 100px 30px 40px;
  transform: translateX(100%);
  transition: transform 400ms cubic-bezier(.16,1,.3,1);
  overflow-y: auto;
  border-left: 4px solid var(--red);
}
.mobile-drawer.open { transform: translateX(0); }
.mobile-drawer ul { list-style: none; display: flex; flex-direction: column; gap: 4px; }
.mobile-drawer a {
  display: block;
  padding: 14px 16px;
  font-family: var(--font-display);
  font-size: var(--fs-body);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
  border-bottom: 1px solid var(--border);
}
.mobile-drawer .sub { padding-left: 32px; font-size: var(--fs-min); color: var(--text-soft); text-transform: none; letter-spacing: 0.04em; font-weight: 500; }
.mobile-drawer a:hover { color: var(--red); }
.mobile-close {
  position: absolute;
  top: 24px; right: 24px;
  width: 40px; height: 40px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: var(--fs-sub);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--navy);
  background: var(--white);
}