/* Making Things Happen — design tokens from event deck */
@font-face {
  font-family: Aptos;
  src: url("../assets/fonts/Aptos.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: Aptos;
  src: url("../assets/fonts/Aptos-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: Aptos;
  src: url("../assets/fonts/Aptos-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: Aptos;
  src: url("../assets/fonts/Aptos-ExtraBold.ttf") format("truetype");
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Aptos Display";
  src: url("../assets/fonts/Aptos-Display.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Aptos Display";
  src: url("../assets/fonts/Aptos-Display-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --navy-deep: #0b1220;
  --navy: #0f1a2e;
  --blue-mid: #16233d;
  --blue-soft: #1e3050;
  --amber-horizon: #e8823c;
  --accent: #e07a45;
  --accent-hover: #f08a55;
  --text: #f2f4f8;
  --text-muted: #a8b3c7;
  --border: rgba(242, 244, 248, 0.12);
  --placeholder: #2a3548;
  --font-display: "Aptos Display", Aptos, "Segoe UI", system-ui, sans-serif;
  --font-body: Aptos, "Segoe UI", system-ui, sans-serif;
  --max: 1120px;
  --nav-h: 4.5rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--navy-deep);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color 0.2s ease;
}

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

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}

h1 {
  font-size: clamp(2.25rem, 5.5vw, 3.75rem);
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

p {
  margin: 0 0 1rem;
}

.accent {
  color: var(--accent);
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* —— Nav —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 18, 32, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--nav-h);
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  color: var(--text);
  text-decoration: none;
  flex-shrink: 0;
}

.logo:hover {
  color: var(--text);
  opacity: 0.92;
}

/* Horizontal lockup — black plate knocked out on dark chrome */
.logo-img {
  display: block;
  height: 2.85rem;
  width: auto;
  max-width: min(320px, 50vw);
  mix-blend-mode: screen;
}

.footer-brand .logo-img {
  height: 2.5rem;
}

@media (max-width: 640px) {
  .logo-img {
    height: 2.25rem;
  }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 4px;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 1.1rem;
  height: 2px;
  background: var(--text);
  margin: 5px auto;
}

@media (max-width: 640px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--navy);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 0;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    padding: 0.85rem 1.25rem;
  }
}

/* —— Hero (event photo collage + overlaid copy) —— */
.hero {
  position: relative;
  min-height: min(64vh, 560px);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--navy-deep);
}

.hero-visual {
  position: absolute;
  inset: 0;
  transform: translateZ(0);
  will-change: transform;
}

.hero-collage-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 0.28rem;
  width: 100%;
  height: 100%;
  padding: 0.28rem;
}

.hero-collage-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  min-height: 0;
}

.hero-fade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      180deg,
      rgba(11, 18, 32, 0.72) 0%,
      rgba(11, 18, 32, 0.82) 45%,
      rgba(11, 18, 32, 0.9) 100%
    ),
    linear-gradient(
      90deg,
      rgba(11, 18, 32, 0.55) 0%,
      rgba(11, 18, 32, 0.4) 50%,
      rgba(11, 18, 32, 0.5) 100%
    );
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(100% - 2.5rem, var(--max));
  margin: 0 auto;
  padding: 3rem 0 3.25rem;
}

@media (max-width: 900px) {
  .hero-collage-grid {
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(4, 1fr);
  }

  .hero-collage-grid img:nth-child(n + 13) {
    display: none;
  }
}

@media (max-width: 700px) {
  .hero {
    min-height: min(58vh, 480px);
  }

  .hero-collage-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
  }

  .hero-collage-grid img:nth-child(n + 10) {
    display: none;
  }

  .hero-content {
    padding: 2.25rem 0 2.5rem;
  }
}

.hero-mission {
  max-width: 52rem;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.8vw, 3.35rem);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 24px rgba(11, 18, 32, 0.45);
}

.hero-diff {
  max-width: 40rem;
  color: var(--text);
  font-size: clamp(1.15rem, 2.4vw, 1.55rem);
  line-height: 1.45;
  font-weight: 500;
  margin-bottom: 0;
  opacity: 0.92;
  text-shadow: 0 1px 16px rgba(11, 18, 32, 0.4);
}

.hero-diff .accent {
  color: var(--accent);
  font-weight: 700;
}

/* Page hero (inner pages) — same mountain treatment as home */
.page-hero {
  position: relative;
  padding: 3.5rem 0 2.75rem;
  border-bottom: 1px solid var(--border);
  background: var(--navy-deep);
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(11, 18, 32, 0.78) 0%,
      rgba(11, 18, 32, 0.5) 55%,
      rgba(11, 18, 32, 0.35) 100%
    ),
    url("../assets/mth-background.png") center 40% / cover no-repeat;
  z-index: 0;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero p {
  max-width: 36rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* —— Sections —— */
.section {
  padding: 4.5rem 0;
}

.section--tight-top {
  padding-top: 0;
}

.prose-narrow {
  max-width: 40rem;
}

.section-header {
  margin-bottom: 2.25rem;
}

.section-header p {
  color: var(--text-muted);
  max-width: 34rem;
  margin-bottom: 0;
}

.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

/* —— Values (numbered columns — distinct from event tiles) —— */
.section--values {
  position: relative;
  padding: 5rem 0 4.75rem;
  overflow: hidden;
  border: none;
  background: var(--navy);
}

.section-values-inner {
  position: relative;
  z-index: 1;
}

.section--values .section-header {
  max-width: 40rem;
  margin-bottom: 3rem;
}

.section--values .section-header h2 {
  font-size: clamp(2rem, 4.5vw, 3rem);
}

.section--values .section-header p:not(.section-label) {
  color: rgba(242, 244, 248, 0.78);
  font-size: 1.12rem;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid rgba(242, 244, 248, 0.18);
}

@media (max-width: 800px) {
  .values-grid {
    grid-template-columns: 1fr;
    border-top: none;
  }
}

.value-item {
  position: relative;
  padding: 2rem 1.75rem 0.5rem 0;
  border: none;
  background: none;
}

.value-item + .value-item {
  padding-left: 1.75rem;
  border-left: 1px solid rgba(242, 244, 248, 0.16);
}

@media (max-width: 800px) {
  .value-item {
    padding: 1.75rem 0;
    border-top: 1px solid rgba(242, 244, 248, 0.16);
  }

  .value-item + .value-item {
    padding-left: 0;
    border-left: none;
  }
}

.value-num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--accent);
  margin-bottom: 1rem;
  opacity: 0.95;
}

.value-item h3 {
  font-size: clamp(1.35rem, 2.5vw, 1.65rem);
  color: var(--text);
  margin-bottom: 0.75rem;
}

.value-item p {
  color: rgba(242, 244, 248, 0.72);
  font-size: 1.05rem;
  line-height: 1.55;
  margin-bottom: 0;
  max-width: 22rem;
}

/* Amber horizon rule between values and events */
.section-break {
  height: 3px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--amber-horizon) 20%,
    var(--accent) 50%,
    var(--amber-horizon) 80%,
    transparent 100%
  );
  opacity: 0.85;
}

.section--events {
  padding-top: 4.75rem;
  background: var(--navy-deep);
}

/* —— Event tiles —— */
.event-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

@media (max-width: 900px) {
  .event-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .event-grid {
    grid-template-columns: 1fr;
  }
}

.event-tile {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  background: linear-gradient(160deg, var(--blue-soft) 0%, var(--navy) 100%);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.event-tile:hover {
  color: var(--text);
  border-color: rgba(224, 122, 69, 0.45);
  transform: translateY(-3px);
}

.event-tile-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--navy-deep);
}

.event-tile-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.45s var(--ease);
}

.event-tile:hover .event-tile-media img {
  transform: scale(1.04);
}

.event-tile-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.35rem 1.4rem 1.5rem;
}

.event-tile.is-placeholder {
  background: var(--placeholder);
  border-style: dashed;
  opacity: 0.55;
  cursor: default;
  pointer-events: none;
}

.event-tile.is-placeholder:hover {
  transform: none;
  border-color: var(--border);
}

.event-tile-meta {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.event-tile.is-placeholder .event-tile-meta {
  color: var(--text-muted);
}

.event-tile h3 {
  margin-bottom: 0.65rem;
}

.event-tile p {
  color: var(--text-muted);
  font-size: 0.98rem;
  flex: 1;
  margin-bottom: 1rem;
}

.event-tile-cta {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent);
  margin-top: auto;
}

/* —— Team —— */
.team-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 260px));
  justify-content: center;
  gap: 2.75rem 3.5rem;
  margin-inline: auto;
}

@media (max-width: 700px) {
  .team-grid {
    grid-template-columns: minmax(0, 260px);
    gap: 3rem;
  }
}

.team-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.15rem;
}

.team-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: var(--placeholder);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.team-name {
  margin-bottom: 0.2rem;
  font-size: clamp(1.35rem, 2.5vw, 1.65rem);
}

.team-school {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 1.15rem;
}

.employer-logos {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 1.15rem;
  width: 100%;
}

/* Shared logo slot — same visual weight, truly centered */
.employer-logos img {
  display: block;
  width: 132px;
  height: 40px;
  margin-inline: auto;
  object-fit: contain;
  object-position: center;
  opacity: 0.95;
}

.employer-logos img.logo-bcg {
  width: 168px;
  height: 56px;
}

/* Dark wordmarks that need to read white on navy */
.employer-logos img.logo-invert {
  filter: brightness(0) invert(1);
}

/* —— Event recap —— */
.event-banner {
  position: relative;
  min-height: min(52vh, 480px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--navy-deep);
  border-bottom: 1px solid var(--border);
}

.event-banner-media {
  position: absolute;
  inset: 0;
}

.event-banner-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  display: block;
  transform: scale(1.04);
  animation: event-banner-drift 18s var(--ease) infinite alternate;
}

.event-banner--crowd .event-banner-media img {
  object-position: center 45%;
}

.event-banner--audience .event-banner-media img {
  object-position: center 78%;
}

@keyframes event-banner-drift {
  from {
    transform: scale(1.04) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.1) translate3d(-1.5%, -1%, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .event-banner-media img {
    animation: none;
    transform: none;
  }
}

.event-banner-fade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      180deg,
      rgba(11, 18, 32, 0.35) 0%,
      rgba(11, 18, 32, 0.55) 45%,
      rgba(11, 18, 32, 0.92) 100%
    ),
    linear-gradient(
      90deg,
      rgba(11, 18, 32, 0.55) 0%,
      rgba(11, 18, 32, 0.2) 60%,
      rgba(11, 18, 32, 0.35) 100%
    );
  pointer-events: none;
}

.event-banner-content {
  position: relative;
  z-index: 1;
  width: min(100% - 2.5rem, var(--max));
  margin: 0 auto;
  padding: 4rem 0 2.75rem;
}

.event-banner .event-tile-meta {
  margin-bottom: 0.65rem;
  display: inline-block;
}

.event-banner h1 {
  max-width: 18ch;
  font-size: clamp(2.15rem, 5.5vw, 3.75rem);
  line-height: 1.08;
  margin: 0;
  text-wrap: balance;
}

@media (max-width: 700px) {
  .event-banner {
    min-height: min(44vh, 380px);
  }

  .event-banner-content {
    padding: 3rem 0 2.25rem;
  }
}

.panel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .panel-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .panel-list {
    grid-template-columns: 1fr;
  }
}

.panel-list li {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 0;
  border: none;
}

.panel-list li:first-child {
  border-top: none;
}

.panel-photo {
  aspect-ratio: 1 / 1;
  border-radius: 4px;
  overflow: hidden;
  background: var(--placeholder);
  border: 1px solid var(--border);
}

.panel-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.panel-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0;
}

.panel-role {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0;
  line-height: 1.35;
}

.photo-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

@media (max-width: 700px) {
  .photo-gallery {
    grid-template-columns: 1fr 1fr;
  }
}

.photo-slot {
  aspect-ratio: 4 / 3;
  background: var(--placeholder);
  border-radius: 4px;
  overflow: hidden;
}

.photo-slot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.section--takeaways {
  padding: 3.75rem 0 3.5rem;
  background:
    radial-gradient(ellipse 70% 50% at 0% 50%, rgba(224, 122, 69, 0.1) 0%, transparent 55%),
    var(--navy);
  border-top: 1px solid var(--border);
}

.section--takeaways .section-header {
  margin-bottom: 1.75rem;
}

.section--takeaways .section-header h2 {
  font-size: clamp(1.65rem, 3.2vw, 2.25rem);
  max-width: 16ch;
}

.takeaways {
  background: none;
  border: none;
  border-radius: 0;
  padding: 0;
  max-width: 44rem;
}

.takeaways ol {
  list-style: none;
  counter-reset: takeaway;
  margin: 0;
  padding: 0;
}

.takeaways li {
  counter-increment: takeaway;
  display: grid;
  grid-template-columns: 3.25rem 1fr;
  gap: 0.4rem 1.15rem;
  align-items: start;
  margin: 0;
  padding: 1.15rem 0;
  border-top: 1px solid rgba(242, 244, 248, 0.14);
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.7vw, 1.2rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.takeaways li:last-child {
  border-bottom: 1px solid rgba(242, 244, 248, 0.14);
}

.takeaways li::before {
  content: counter(takeaway, decimal-leading-zero);
  font-size: clamp(1.65rem, 3vw, 2.1rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--accent);
  letter-spacing: -0.03em;
}

@media (max-width: 560px) {
  .takeaways li {
    grid-template-columns: 2.75rem 1fr;
    gap: 0.35rem 0.85rem;
    padding: 1rem 0;
  }
}

.back-link {
  margin-top: 1.75rem;
  color: var(--text-muted);
}

/* —— Footer —— */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  margin-top: 2rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-social {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1.15rem;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: color 0.2s var(--ease);
}

.footer-social a:hover {
  color: var(--accent);
}

.footer-social svg {
  width: 1.05rem;
  height: 1.05rem;
  flex-shrink: 0;
}

.footer-contact a {
  font-weight: 700;
  text-decoration: none;
}

.footer-contact a:hover {
  text-decoration: underline;
}

/* —— Reveal on scroll —— */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.hero .reveal.is-visible {
  transition-delay: 0.1s;
}