/* =========================================================
   STEM-Beats Academy — styles.css
   ========================================================= */

:root {
  --blue: #1F6BFF;
  --blue-bright: #29D2FF;
  --purple: #7C3AED;
  --purple-deep: #5B21B6;
  --magenta: #E0309C;
  --orange: #FF7A2A;
  --yellow: #FFD23F;
  --ink: #0B0B1F;
  --ink-2: #15152E;
  --paper: #FBFAFF;
  --paper-2: #F4F2FB;
  --line: rgba(11, 11, 31, 0.10);

  --font-display: 'Bricolage Grotesque', system-ui, sans-serif;
  --font-body: 'Space Grotesk', system-ui, sans-serif;

  --maxw: 1240px;
  --radius: 18px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --ease: cubic-bezier(.22,.8,.25,1);
}

/* ============ RESET ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, select, textarea { font: inherit; color: inherit; }

.container {
  width: min(100% - 2.5rem, var(--maxw));
  margin-inline: auto;
}

/* ============ NAV ============ */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem clamp(1.25rem, 4vw, 2.5rem);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(11, 11, 31, 0.45);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background .3s var(--ease), border-color .3s var(--ease);
}
.nav.scrolled {
  background: rgba(11, 11, 31, 0.88);
  border-bottom-color: rgba(255,255,255,0.10);
}
.logo {
  display: inline-flex; align-items: center; gap: .65rem;
  color: #fff; font-family: var(--font-display); font-weight: 800;
  font-size: 1.05rem; letter-spacing: -.01em;
}
.logo .dash { color: var(--yellow); }
.logo-mark {
  display: inline-flex; gap: 3px; align-items: flex-end;
  height: 22px; padding: 2px 4px;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  border-radius: 6px;
}
.logo-mark .bar {
  display: block; width: 3px; background: var(--yellow); border-radius: 2px;
  animation: bar-bounce 1.4s ease-in-out infinite;
}
.logo-mark .bar:nth-child(1) { height: 60%; animation-delay: 0s; }
.logo-mark .bar:nth-child(2) { height: 90%; animation-delay: .15s; }
.logo-mark .bar:nth-child(3) { height: 50%; animation-delay: .3s; }
.logo-mark .bar:nth-child(4) { height: 80%; animation-delay: .45s; }
@keyframes bar-bounce {
  0%, 100% { transform: scaleY(.6); }
  50% { transform: scaleY(1); }
}
.nav-links { display: flex; gap: 1.75rem; }
.nav-links a {
  color: rgba(255,255,255,.78);
  font-weight: 500; font-size: .95rem;
  position: relative; padding: .25rem 0;
  transition: color .2s var(--ease);
}
.nav-links a::after {
  content: ''; position: absolute; left: 0; bottom: -4px;
  width: 0; height: 2px; background: var(--yellow);
  transition: width .25s var(--ease);
}
.nav-links a:hover { color: #fff; }
.nav-links a:hover::after { width: 100%; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: .5rem; }
.nav-toggle span { width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: transform .3s var(--ease), opacity .2s var(--ease); }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .95rem 1.65rem;
  border-radius: 999px;
  font-weight: 600; font-size: 1rem;
  letter-spacing: .01em;
  transition: transform .2s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--orange), var(--magenta));
  color: #fff;
  box-shadow: 0 10px 30px -8px rgba(224, 48, 156, 0.5);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px -10px rgba(224, 48, 156, 0.65);
}
.btn-ghost {
  color: #fff;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.18);
}
.btn-ghost:hover { background: rgba(255,255,255,0.12); transform: translateY(-2px); }
.btn-block { width: 100%; padding: 1.05rem 1.5rem; font-size: 1.05rem; }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 8rem 1.25rem 6rem;
  color: #fff;
  background: radial-gradient(ellipse at top, #1a1342 0%, #0B0B1F 60%, #050514 100%);
  overflow: hidden;
  display: flex; align-items: center;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.blob {
  position: absolute; border-radius: 50%;
  filter: blur(110px);
  opacity: .45;
  mix-blend-mode: screen;
  animation: blob-float 20s ease-in-out infinite;
}
.blob-1 { width: 540px; height: 540px; background: var(--blue); top: -10%; left: -8%; }
.blob-2 { width: 460px; height: 460px; background: var(--purple); bottom: -8%; right: -6%; animation-delay: -8s; }
@keyframes blob-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(40px, -30px) scale(1.08); }
}
.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

.hero-inner {
  position: relative;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.hero-copy { max-width: 640px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .45rem 1rem;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px;
  font-size: .85rem; font-weight: 500;
  color: rgba(255,255,255,.85);
  margin-bottom: 1.75rem;
}
.eyebrow .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 0 0 rgba(255, 210, 63, .7);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(255, 210, 63, .7); }
  70%  { box-shadow: 0 0 0 12px rgba(255, 210, 63, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 210, 63, 0); }
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.3rem, 4.8vw, 4.25rem);
  line-height: 1.06;
  letter-spacing: -.025em;
  margin: 0 0 1.5rem;
}
.ul-warm, .ul-cool {
  position: relative; display: inline-block; padding: 0 .08em;
}
.ul-warm::after, .ul-cool::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: .06em;
  height: .2em; border-radius: 2px; z-index: -1;
}
.ul-warm::after { background: linear-gradient(90deg, var(--yellow), var(--orange)); }
.ul-cool::after { background: linear-gradient(90deg, var(--blue-bright), var(--purple)); }

.gradient-text {
  background: linear-gradient(120deg, var(--blue-bright), var(--purple), var(--magenta));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.gradient-text-warm {
  background: linear-gradient(120deg, var(--yellow), var(--orange), var(--magenta));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}

.hero-sub {
  font-size: clamp(1.05rem, 1.35vw, 1.2rem);
  line-height: 1.65;
  color: rgba(255,255,255,.78);
  margin: 0 0 2rem;
}

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

.hero-meta {
  display: flex; align-items: center; flex-wrap: wrap;
  gap: 1.25rem;
  margin: 2.5rem 0 0;
  font-size: .95rem;
  color: rgba(255,255,255,.7);
}
.hero-meta-item strong { color: #fff; font-weight: 700; }
.hero-meta-divider {
  width: 1px; height: 18px; background: rgba(255,255,255,.18);
}

/* Hero photo collage — portrait-aware, no forced crops */
.hero-visual {
  position: relative;
  width: 100%;
  max-width: 540px;
  justify-self: end;
  aspect-ratio: 1 / 1.18;
}
.hero-photo, .photo {
  position: absolute;
  margin: 0;
  padding: 0;
  border: 0;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 40px 80px -25px rgba(0,0,0,.7),
              0 0 0 1px rgba(255,255,255,.04);
  cursor: zoom-in;
  transition: transform .4s var(--ease), box-shadow .35s var(--ease);
}
.hero-photo img, .photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 28%;
  display: block;
  transition: transform .8s var(--ease);
}
.hero-photo:hover img, .photo:hover img { transform: scale(1.04); }
.hero-photo::before, .photo::before {
  content: ''; position: absolute; inset: 0;
  border-radius: inherit;
  padding: 3px;
  background: linear-gradient(135deg, var(--blue-bright), var(--purple), var(--magenta));
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  opacity: .9;
  z-index: 2;
}

/* Hover zoom hint pill */
.photo-zoom-hint {
  position: absolute;
  bottom: .75rem; right: .75rem;
  display: inline-flex; align-items: center;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: rgba(11,11,31,.7);
  color: #fff;
  z-index: 3;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .25s var(--ease), transform .25s var(--ease);
  pointer-events: none;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  justify-content: center;
}
.hero-photo:hover .photo-zoom-hint,
.photo:hover .photo-zoom-hint {
  opacity: 1; transform: translateY(0);
}

.hero-photo-main {
  top: 0; left: 0;
  width: 68%;
  aspect-ratio: 3 / 4;
  transform: rotate(-1deg);
  z-index: 2;
  animation: float-a 10s ease-in-out infinite;
}
.hero-photo-sub {
  bottom: 0; right: 0;
  width: 56%;
  aspect-ratio: 4 / 5;
  transform: rotate(1.8deg);
  z-index: 3;
  animation: float-b 12s ease-in-out infinite;
}
.hero-photo-sub::before {
  background: linear-gradient(135deg, var(--orange), var(--magenta));
}
@keyframes float-a {
  0%, 100% { transform: rotate(-1deg) translateY(0); }
  50%      { transform: rotate(-.4deg) translateY(-6px); }
}
@keyframes float-b {
  0%, 100% { transform: rotate(1.8deg) translateY(0); }
  50%      { transform: rotate(1.2deg) translateY(6px); }
}

.scroll-cue {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  width: 22px; height: 36px; border: 2px solid rgba(255,255,255,.4); border-radius: 12px;
  display: grid; place-items: center;
}
.scroll-cue span {
  width: 3px; height: 8px; background: #fff; border-radius: 2px;
  animation: cue 1.8s ease-in-out infinite;
}
@keyframes cue {
  0%   { transform: translateY(-6px); opacity: 0; }
  50%  { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(8px); opacity: 0; }
}

/* ============ MARQUEE ============ */
.marquee {
  background: var(--ink);
  color: var(--yellow);
  border-top: 1px solid rgba(255,255,255,.08);
  border-bottom: 1px solid rgba(255,255,255,.08);
  overflow: hidden;
  padding: 1rem 0;
}
.marquee-track {
  display: inline-flex; gap: 2.5rem;
  white-space: nowrap;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1rem, 1.6vw, 1.3rem);
  letter-spacing: .04em;
  animation: marquee 40s linear infinite;
  padding-left: 2.5rem;
}
.marquee-track span:nth-child(even) { color: var(--magenta); }
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ============ SECTIONS — shared ============ */
.section-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: .78rem; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--purple);
  padding: .35rem .85rem;
  background: rgba(124, 58, 237, .1);
  border-radius: 999px;
  margin-bottom: 1.5rem;
}
.section-tag.light {
  color: var(--yellow);
  background: rgba(255, 210, 63, .14);
}
.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -.02em;
  margin: 0 0 1.25rem;
}
.section-title.light { color: #fff; }
.section-sub {
  font-size: 1.1rem; line-height: 1.65;
  color: rgba(11,11,31,.7);
  max-width: 720px;
  margin: 0;
}
.section-sub.light { color: rgba(255,255,255,.72); margin-inline: auto; }
.section-head {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 4rem;
}
.section-head .section-sub { margin: 0 auto; }
.lede {
  font-size: 1.15rem; line-height: 1.65;
  color: rgba(11,11,31,.78);
  margin-bottom: 1rem;
}
.highlight {
  background: linear-gradient(180deg, transparent 60%, var(--yellow) 60%);
  padding: 0 .15em;
}

/* ============ ABOUT ============ */
.about { padding: 8rem 0; background: var(--paper); }
.about-grid {
  display: grid; gap: clamp(2.5rem, 5vw, 5rem);
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
}

/* Single confident headline anchors the section */
.about-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 4.6vw, 3.8rem);
  line-height: 1;
  letter-spacing: -.03em;
  margin: 0 0 2rem;
  color: var(--ink);
  position: relative;
}
.about-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 4px;
  margin-top: 1.5rem;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--yellow), var(--orange), var(--magenta));
}

/* Body paragraphs in unified rhythm */
.about-body {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.about-body p {
  margin: 0;
  font-size: 1.075rem;
  line-height: 1.7;
  color: rgba(11,11,31,.74);
}
.about-body p:first-child {
  font-size: 1.15rem;
  color: rgba(11,11,31,.85);
}

.pill-row {
  display: flex; flex-wrap: wrap; gap: .65rem;
  margin-top: 2.25rem;
}
.pill {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .55rem 1rem;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  font-size: .9rem; font-weight: 500;
  box-shadow: 0 1px 2px rgba(11,11,31,.04);
}
.pill-dot { width: 8px; height: 8px; border-radius: 50%; }
.pill-dot-blue   { background: var(--blue); }
.pill-dot-purple { background: var(--purple); }
.pill-dot-orange { background: var(--orange); }
.pill-dot-yellow { background: var(--yellow); }

/* About collage — portrait-aware */
.about-visual {
  position: relative;
  width: 100%;
  max-width: 540px;
  margin-inline: auto;
  aspect-ratio: 1 / 1.12;
}
.photo::before {
  background: linear-gradient(135deg, var(--blue), var(--purple));
  opacity: .85;
}
.photo-main {
  top: 0; left: 0;
  width: 70%;
  aspect-ratio: 3 / 4;
  transform: rotate(-1deg);
  z-index: 2;
}
.photo-main:hover { transform: rotate(-.4deg) translateY(-6px); }
.photo-accent-1 {
  bottom: 0; right: 0;
  width: 52%;
  aspect-ratio: 4 / 5;
  transform: rotate(1.8deg);
  z-index: 3;
}
.photo-accent-1::before {
  background: linear-gradient(135deg, var(--orange), var(--magenta));
}
.photo-accent-1:hover { transform: rotate(1deg) translateY(-6px); }
.photo-accent-2 {
  top: 4%; right: 0;
  width: 34%;
  aspect-ratio: 3 / 4;
  transform: rotate(2deg);
  z-index: 1;
}
.photo-accent-2::before {
  background: linear-gradient(135deg, var(--yellow), var(--orange));
}
.photo-accent-2:hover { transform: rotate(1deg) translateY(-4px); }

/* ============ PROGRAMS ============ */
.programs { padding: 7rem 0; background: var(--paper-2); position: relative; }
.programs::before {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(11,11,31,.06) 1px, transparent 0);
  background-size: 26px 26px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  pointer-events: none;
}
.programs > .container { position: relative; }

.program-grid {
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(3, 1fr);
}
.program-card {
  position: relative;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  display: flex; flex-direction: column;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
  overflow: hidden;
}
.program-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 60px -25px rgba(11,11,31,.2);
  border-color: transparent;
}
.card-photo {
  position: relative;
  margin: 0; padding: 0; border: 0;
  width: 100%;
  aspect-ratio: 16 / 11;
  overflow: hidden;
  cursor: zoom-in;
  background: var(--paper-2);
}
.card-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 30%;
  transition: transform .6s var(--ease);
}
.program-card:hover .card-photo img { transform: scale(1.05); }
.card-photo::after {
  content: ''; position: absolute; inset: auto 0 0 0; height: 50%;
  background: linear-gradient(to top, rgba(0,0,0,.35), transparent);
  pointer-events: none;
}
.card-photo-tag {
  position: absolute;
  top: .9rem; left: .9rem;
  padding: .4rem .8rem;
  border-radius: 999px;
  background: rgba(255,255,255,.95);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: .75rem; font-weight: 800;
  letter-spacing: .08em;
  z-index: 2;
}
.card-blue   { --c1: var(--blue);   --c2: var(--blue-bright); --accent: var(--blue);   }
.card-purple { --c1: var(--purple); --c2: var(--magenta);     --accent: var(--purple); }
.card-orange { --c1: var(--orange); --c2: var(--yellow);      --accent: var(--orange); }

.program-card .card-photo {
  border-bottom: 4px solid;
  border-image: linear-gradient(90deg, var(--c1), var(--c2)) 1;
}
.card-body {
  padding: 1.75rem 1.75rem 1.75rem;
  display: flex; flex-direction: column;
  flex: 1;
}
.program-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem; font-weight: 700;
  margin: 0 0 .65rem;
  letter-spacing: -.01em;
}
.program-card .card-body > p {
  color: rgba(11,11,31,.72);
  line-height: 1.6;
  margin: 0 0 1.25rem;
}
.card-list {
  list-style: none; padding: 0; margin: 0 0 1.5rem;
  display: grid; gap: .55rem;
}
.card-list li {
  position: relative; padding-left: 1.5rem;
  font-size: .95rem;
  color: rgba(11,11,31,.85);
}
.card-list li::before {
  content: ''; position: absolute; left: 0; top: .55em;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
}
.card-tag {
  display: inline-block;
  align-self: flex-start; margin-top: auto;
  padding: .35rem .8rem;
  font-size: .8rem; font-weight: 600;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
}

/* ============ GALLERY ============ */
.gallery { padding: 7rem 0; background: var(--paper); }
.gallery-grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 180px;
}
.gallery-tile {
  position: relative;
  margin: 0; padding: 0; border: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: #1a1342;
  box-shadow: 0 18px 40px -22px rgba(11,11,31,.3);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
  cursor: zoom-in;
  display: block;
}
.gallery-tile img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 30%;
  transition: transform .8s var(--ease);
}
.gallery-tile:hover { transform: translateY(-6px); }
.gallery-tile:hover img { transform: scale(1.06); }
.gallery-tile::after {
  content: ''; position: absolute; inset: auto 0 0 0; height: 65%;
  background: linear-gradient(to top, rgba(11,11,31,.9) 0%, transparent 100%);
  pointer-events: none; opacity: .85;
  transition: opacity .35s var(--ease);
}
.gallery-tile:hover::after { opacity: 1; }
.gallery-tile figcaption {
  position: absolute; left: 1rem; bottom: .9rem; right: 1rem;
  z-index: 2;
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700; font-size: 1rem;
  display: flex; align-items: center; gap: .5rem;
  text-align: left;
}
.vid-badge {
  display: inline-flex; align-items: center;
  padding: .2rem .55rem;
  border-radius: 999px;
  background: var(--magenta);
  color: #fff;
  font-size: .65rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  font-weight: 800;
}

/* Video play button overlay */
.play-button {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 64px; height: 64px;
  border-radius: 50%;
  background: rgba(255,255,255,.95);
  color: var(--ink);
  display: grid; place-items: center;
  z-index: 3;
  box-shadow: 0 10px 30px rgba(0,0,0,.4);
  transition: transform .25s var(--ease), background .25s var(--ease);
}
.play-button svg { margin-left: 3px; }
.gallery-tile:hover .play-button {
  transform: translate(-50%, -50%) scale(1.08);
  background: var(--yellow);
}

/* Tile placements: 8 tiles — 3 videos + 5 photos across 6-col × 4-row */
.tile-1 { grid-column: span 3; grid-row: span 2; }  /* featured video (row 1-2) */
.tile-2 { grid-column: span 3; grid-row: span 1; }  /* photo (row 1)          */
.tile-3 { grid-column: span 3; grid-row: span 1; }  /* video (row 2)          */
.tile-4 { grid-column: span 3; grid-row: span 1; }  /* photo (row 3, left)    */
.tile-5 { grid-column: span 3; grid-row: span 1; }  /* video (row 3, right)   */
.tile-6 { grid-column: span 2; grid-row: span 1; }  /* photo (row 4)          */
.tile-7 { grid-column: span 2; grid-row: span 1; }  /* photo (row 4)          */
.tile-8 { grid-column: span 2; grid-row: span 1; }  /* photo (row 4)          */

/* ============ RESEARCH ============ */
.research {
  padding: 7rem 0;
  background: linear-gradient(160deg, #15152E 0%, #0B0B1F 100%);
  color: #fff;
  position: relative; overflow: hidden;
}
.research::before {
  content: ''; position: absolute; top: -180px; right: -180px;
  width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, var(--purple) 0%, transparent 70%);
  opacity: .35; pointer-events: none;
}
.research::after {
  content: ''; position: absolute; bottom: -180px; left: -180px;
  width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, var(--orange) 0%, transparent 70%);
  opacity: .22; pointer-events: none;
}
.research > .container { position: relative; }

/* Founder card — sits between section head and the research grid */
.founder {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2.25rem;
  align-items: center;
  padding: 2rem 2.25rem;
  margin: 0 auto 3.5rem;
  max-width: 900px;
  background:
    linear-gradient(135deg, rgba(31,107,255,.08), rgba(224,48,156,.05));
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.founder-photo {
  position: relative;
  margin: 0; padding: 0; border: 0;
  background: #0B0B1F;
  width: 168px;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: zoom-in;
  box-shadow: 0 20px 40px -18px rgba(0,0,0,.6);
  transition: transform .3s var(--ease);
}
.founder-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 20%;
  transition: transform .6s var(--ease);
}
.founder-photo:hover { transform: translateY(-2px); }
.founder-photo:hover img { transform: scale(1.04); }
.founder-photo::before {
  content: '';
  position: absolute; inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: linear-gradient(135deg, var(--blue-bright), var(--purple), var(--magenta));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  z-index: 2;
}
.founder-eyebrow {
  font-family: var(--font-body);
  font-size: .72rem; font-weight: 700;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--yellow);
  margin: 0 0 .55rem;
}
.founder-name {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.2vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -.01em;
  margin: 0 0 .35rem;
  color: #fff;
  line-height: 1.1;
}
.founder-title {
  font-size: .95rem;
  font-weight: 500;
  color: rgba(255,255,255,.85);
  margin: 0 0 1rem;
  line-height: 1.4;
}
.founder-bio {
  font-size: .95rem;
  line-height: 1.65;
  color: rgba(255,255,255,.72);
  margin: 0;
  max-width: 58ch;
}

.research-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: start;
}
.research-h {
  font-family: var(--font-display);
  font-size: .85rem; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--yellow);
  margin: 0 0 1.5rem;
}
.finding-list {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 1.5rem;
}
.finding-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  align-items: start;
  padding: 1.5rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  transition: background .25s var(--ease);
}
.finding-list li:hover { background: rgba(255,255,255,0.06); }
.finding-num {
  display: grid; place-items: center;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  font-family: var(--font-display);
  font-weight: 800; font-size: .9rem;
  color: #fff;
  flex-shrink: 0;
}
.finding-list h4 {
  font-family: var(--font-display);
  font-size: 1.15rem; font-weight: 700;
  margin: .2rem 0 .4rem;
  letter-spacing: -.01em;
  color: #fff;
}
.finding-list p {
  margin: 0;
  color: rgba(255,255,255,.7);
  font-size: .95rem; line-height: 1.6;
}

.research-pubs {
  padding: 2rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
}
.pub-list {
  list-style: none; padding: 0; margin: 0 0 2rem;
  counter-reset: pub;
  display: grid; gap: 1.25rem;
}
.pub-list li {
  counter-increment: pub;
  position: relative;
  padding-left: 2rem;
}
.pub-list li::before {
  content: counter(pub, decimal-leading-zero);
  position: absolute; left: 0; top: 0;
  font-family: var(--font-display);
  font-weight: 800; font-size: .85rem;
  color: var(--yellow);
  letter-spacing: .05em;
}
.pub-cite {
  margin: 0;
  font-size: .9rem; line-height: 1.6;
  color: rgba(255,255,255,.78);
}
.pub-cite em { color: rgba(255,255,255,.9); font-style: italic; }

.research-stat {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
}
.research-stat-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 4vw, 3.25rem);
  line-height: 1;
  background: linear-gradient(120deg, var(--yellow), var(--orange));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  margin-bottom: .4rem;
}
.research-stat-label {
  color: rgba(255,255,255,.7);
  font-size: .95rem;
}

/* ============ CONTACT ============ */
.contact {
  padding: 7rem 0;
  background:
    radial-gradient(circle at 0% 0%, rgba(31,107,255,.08) 0%, transparent 40%),
    radial-gradient(circle at 100% 100%, rgba(224,48,156,.08) 0%, transparent 40%),
    var(--paper);
}
.contact-grid {
  display: grid; gap: clamp(2rem, 4vw, 4rem);
  grid-template-columns: 1fr 1fr;
  align-items: start;
}
.contact-list {
  list-style: none; padding: 0; margin: 2rem 0;
  display: grid; gap: 1.25rem;
}
.contact-list li {
  display: flex; align-items: flex-start; gap: 1rem;
  font-size: 1rem;
}
.contact-list li > div { display: flex; flex-direction: column; gap: .15rem; }
.contact-list li strong { font-weight: 700; }
.contact-list li span:not(.emoji-circle) { color: rgba(11,11,31,.65); font-size: .95rem; }
.emoji-circle {
  display: inline-grid; place-items: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  color: var(--yellow);
  font-weight: 700; font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-line {
  margin-top: 2rem; padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: .95rem; color: rgba(11,11,31,.55);
  font-style: italic;
}

.contact-form {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  border: 1px solid var(--line);
  box-shadow: 0 30px 60px -30px rgba(11,11,31,.2);
}
/* Netlify honeypot — hidden from humans, visible to bots */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px; height: 1px;
  overflow: hidden;
}

/* Thank-you page */
.thanks-hero { justify-content: center; text-align: center; }
.thanks-inner {
  position: relative;
  max-width: 640px;
  padding: 0 1.5rem;
  margin: 0 auto;
}
.thanks-inner .eyebrow { margin-inline: auto; }
.thanks-inner .hero-title { margin-bottom: 1.25rem; }
.thanks-inner .hero-sub { margin-inline: auto; }
.thanks-cta { justify-content: center; }
.field { display: grid; gap: .4rem; margin-bottom: 1.25rem; }
.field label {
  font-size: .85rem; font-weight: 600;
  color: var(--ink);
  letter-spacing: .01em;
}
.field input, .field select, .field textarea {
  padding: .9rem 1rem;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  font-size: 1rem;
  transition: border-color .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 0;
  border-color: var(--purple);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(124, 58, 237, .12);
}
.field textarea { resize: vertical; min-height: 90px; }
.field .error { color: var(--magenta); font-size: .8rem; min-height: 1rem; }
.field.has-error input, .field.has-error select {
  border-color: var(--magenta);
  background: rgba(224, 48, 156, .04);
}
.form-success {
  margin: 1.25rem 0 0; padding: 1rem 1.25rem;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(31,107,255,.1), rgba(124,58,237,.1));
  color: var(--purple-deep);
  font-weight: 600;
  border: 1px solid rgba(124,58,237,.18);
}

/* ============ FOOTER ============ */
.footer {
  background: var(--ink);
  color: rgba(255,255,255,.7);
  padding: 4rem 0 0;
}
.footer-grid {
  display: grid; gap: 3rem;
  grid-template-columns: 1.4fr 2fr;
  padding-bottom: 3rem;
}
.footer-brand .logo { margin-bottom: 1rem; }
.footer-brand p { max-width: 380px; line-height: 1.6; }
.footer-cols {
  display: grid; gap: 2rem;
  grid-template-columns: repeat(2, 1fr);
}
.footer-cols h4 {
  color: #fff;
  font-family: var(--font-display);
  font-size: 1rem; font-weight: 700;
  margin: 0 0 1rem;
}
.footer-cols a {
  display: block;
  padding: .35rem 0;
  font-size: .95rem;
  color: rgba(255,255,255,.7);
  transition: color .2s var(--ease);
}
.footer-cols a:hover { color: var(--yellow); }
.footer-bar {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 1.5rem 0;
  text-align: center;
  font-size: .85rem;
  color: rgba(255,255,255,.45);
}

/* ============ LIGHTBOX ============ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(5, 5, 20, .94);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 3rem);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s var(--ease);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}
.lightbox-stage {
  position: relative;
  max-width: min(1400px, 95vw);
  max-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(.96);
  transition: transform .3s var(--ease);
}
.lightbox.is-open .lightbox-stage { transform: scale(1); }
.lightbox-stage img,
.lightbox-stage video {
  display: block;
  max-width: 100%;
  max-height: 88vh;
  border-radius: var(--radius-lg);
  box-shadow: 0 40px 100px -20px rgba(0,0,0,.85);
  background: #000;
}
.lightbox-stage video { outline: 0; }
.lightbox-close {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  color: #fff;
  display: grid;
  place-items: center;
  transition: background .2s var(--ease), transform .2s var(--ease);
  z-index: 101;
}
.lightbox-close:hover {
  background: rgba(255,255,255,.2);
  transform: scale(1.06);
}

/* ============ REVEAL ============ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ============ RESPONSIVE ============ */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { margin-top: 2.5rem; max-width: 480px; justify-self: center; }
  .scroll-cue { display: none; }
  .research-grid { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 720px) {
  .founder {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
    padding: 2rem 1.5rem;
    gap: 1.5rem;
  }
  .founder-bio { margin-inline: auto; }
}

@media (max-width: 960px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav.open .nav-links {
    display: flex;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch;
    padding: 1rem 1.5rem 1.5rem;
    background: rgba(11,11,31,.95);
    border-bottom: 1px solid rgba(255,255,255,.08);
    gap: 0;
  }
  .nav.open .nav-links a {
    padding: .85rem 0;
    border-bottom: 1px solid rgba(255,255,255,.06);
  }
  .nav.open .nav-links a:last-child { border-bottom: 0; }
  .nav.open .nav-links a::after { display: none; }

  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .program-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 2.5rem; }

  .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 160px;
  }
  .tile-1 { grid-column: span 4; grid-row: span 2; }
  .tile-2 { grid-column: span 4; grid-row: span 1; }
  .tile-3 { grid-column: span 2; grid-row: span 1; }
  .tile-4 { grid-column: span 2; grid-row: span 1; }
  .tile-5 { grid-column: span 4; grid-row: span 1; }
  .tile-6 { grid-column: span 2; grid-row: span 1; }
  .tile-7 { grid-column: span 2; grid-row: span 1; }
  .tile-8 { grid-column: span 4; grid-row: span 1; }
}

@media (max-width: 560px) {
  .hero { padding: 7rem 1.25rem 4rem; }
  .hero-cta .btn { flex: 1 1 auto; }
  .hero-meta { gap: .5rem; }
  .hero-meta-divider { display: none; }
  .hero-meta-item { width: 100%; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .contact-form { padding: 1.75rem 1.5rem; }
  .marquee-track { font-size: 1rem; gap: 1.5rem; }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 150px;
  }
  .tile-1 { grid-column: span 2; grid-row: span 2; }
  .tile-2 { grid-column: span 2; grid-row: span 1; }
  .tile-3, .tile-4, .tile-5, .tile-6, .tile-7, .tile-8 { grid-column: span 1; grid-row: span 1; }

  .research-pubs { padding: 1.5rem; }
  .finding-list li { padding: 1.25rem; gap: 1rem; }
  .play-button { width: 52px; height: 52px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}