/* Variables */
:root {
  --color-primary: #9c27b0;
  --color-primary-dark: #7b1fa2;
  --color-primary-light: #e1bee7;
  --color-secondary: #ff4081;
  --color-dark: #333;
  --color-light: #f8f8f8;
  --color-text: #444;
  --color-text-light: #777;
  --color-white: #fff;
  --color-black: #000;
  --color-gray: #eee;
  --color-gray-dark: #ccc;

  --font-primary: "Montserrat", sans-serif;
  --font-display: "Playfair Display", serif;

  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-large: 0 10px 15px rgba(0, 0, 0, 0.1);

  --border-radius: 4px;
  --transition: all 0.3s ease;
}

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

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: 1.6rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-white);
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--color-primary-dark);
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 120rem;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--color-dark);
}

h1 {
  font-size: 4.8rem;
}

h2 {
  font-size: 3.6rem;
}

h3 {
  font-size: 2.4rem;
}

p {
  margin-bottom: 1.6rem;
}

.section__title {
  text-align: center;
  margin-bottom: 5rem;
  position: relative;
  padding-bottom: 1.5rem;
}

.section__title::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 6rem;
  height: 0.3rem;
  background-color: var(--color-secondary);
}

/* Buttons */
.btn {
  display: inline-block;
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 1.2rem 3rem;
  border-radius: var(--border-radius);
  text-transform: uppercase;
  font-weight: 600;
  font-size: 1.4rem;
  letter-spacing: 0.1rem;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow);
}

.btn:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-large);
}

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

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

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

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

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-white);
  box-shadow: var(--shadow);
  z-index: 100;
  padding: 1.5rem 0;
}

.header .container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.header__logo {
  text-align: center;
  margin-bottom: 2rem;
  margin-top: 1rem;
  transition: transform 0.5s ease;
  position: relative;
  z-index: 10;
  overflow: visible;
  width: 100%;
}

.header__logo:hover {
  transform: scale(1.08);
}

.logo-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(156, 39, 176, 0.5) 0%,
    rgba(156, 39, 176, 0.2) 40%,
    transparent 70%
  );
  z-index: 1;
  opacity: 0;
  transition: all 0.6s ease;
  filter: blur(10px);
}

.header__logo:hover .logo-glow {
  width: 180%;
  height: 180%;
  opacity: 0.9;
  animation: glowPulse 2s infinite alternate;
}

@keyframes glowPulse {
  0% {
    opacity: 0.6;
    filter: blur(10px);
  }
  100% {
    opacity: 0.9;
    filter: blur(18px);
  }
}

.header__logo img {
  height: 12rem;
  filter: drop-shadow(0 6px 8px rgba(0, 0, 0, 0.3));
  animation: pulse 3s infinite alternate;
  position: relative;
  z-index: 2;
  margin: 0 auto;
}

@keyframes pulse {
  0% {
    filter: drop-shadow(0 6px 8px rgba(156, 39, 176, 0.3));
    transform: scale(1);
  }
  100% {
    filter: drop-shadow(0 10px 15px rgba(156, 39, 176, 0.6));
    transform: scale(1.03);
  }
}

.nav {
  width: 100%;
  display: flex;
  justify-content: center;
}

.nav__menu {
  display: flex;
  gap: 2.5rem;
  justify-content: center;
}

.nav__menu a {
  color: var(--color-dark);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 1.4rem;
  letter-spacing: 0.1rem;
}

.nav__menu a:hover {
  color: var(--color-primary);
}

.nav__toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
}

.nav__toggle-bar {
  display: block;
  width: 2.5rem;
  height: 0.3rem;
  background-color: var(--color-dark);
  margin: 0.5rem 0;
  transition: var(--transition);
}

/* Hero */
.hero {
  height: 100vh;
  background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)),
    url("../assets/images/hero-bg.jpg");
  background-size: cover;
  background-position: center;
  color: var(--color-white);
  display: flex;
  align-items: center;
  padding-top: 18rem;
}

.hero__title {
  font-size: 6rem;
  color: var(--color-white);
  margin-bottom: 1rem;
}

.hero__subtitle {
  font-size: 3rem;
  color: var(--color-secondary);
  margin-bottom: 2.5rem;
}

.hero__description {
  font-size: 1.8rem;
  max-width: 60rem;
  margin-bottom: 4rem;
}

/* Sections */
.section {
  padding: 10rem 0;
}

.section--alt {
  background-color: var(--color-light);
}

.section--memory {
  background: linear-gradient(rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0.85)),
    url("../assets/images/memory-bg.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: var(--color-white);
}

.section--memory .section__title {
  color: var(--color-white);
}

.section__content {
  max-width: 80rem;
  margin: 0 auto;
}

/* Mission Pillars */
.mission-pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(25rem, 1fr));
  gap: 4rem;
  margin-top: 5rem;
}

.mission-pillar {
  text-align: center;
  padding: 2rem;
  border-radius: var(--border-radius);
  background-color: var(--color-white);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.mission-pillar:hover {
  transform: translateY(-1rem);
  box-shadow: var(--shadow-large);
}

.mission-pillar__icon {
  width: 8rem;
  height: 8rem;
  margin: 0 auto 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--color-primary-light);
  border-radius: 50%;
}

.mission-pillar__icon img {
  width: 4rem;
  height: 4rem;
}

.mission-pillar h3 {
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

/* Principles */
.principles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(25rem, 1fr));
  gap: 3rem;
  margin-top: 5rem;
}

.principle {
  background-color: var(--color-white);
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.principle:hover {
  transform: translateY(-1rem);
  box-shadow: var(--shadow-large);
}

.principle h3 {
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

/* Network Features */
.network-features {
  margin: 3rem 0;
  padding-left: 2rem;
}

.network-features li {
  margin-bottom: 1.5rem;
  position: relative;
  padding-left: 2.5rem;
}

.network-features li:before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-secondary);
  font-size: 2rem;
  line-height: 1;
}

.quote {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-style: italic;
  line-height: 1.6;
  padding: 2rem 4rem;
  margin: 4rem 0;
  border-left: 0.5rem solid var(--color-secondary);
  background-color: rgba(255, 255, 255, 0.1);
}

/* Governance Model */
.governance-model {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(25rem, 1fr));
  gap: 3rem;
  margin-top: 5rem;
}

.governance-pillar {
  background-color: var(--color-white);
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.governance-pillar:hover {
  transform: translateY(-1rem);
  box-shadow: var(--shadow-large);
}

.governance-pillar h3 {
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

/* Memory Section */
.memory-content {
  max-width: 70rem;
  margin: 0 auto;
  text-align: center;
}

.memory-content p {
  margin-bottom: 2.5rem;
}

/* Footer */
.footer {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: 8rem 0 2rem;
}

.footer__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
  gap: 5rem;
  margin-bottom: 5rem;
}

.footer__logo {
  margin: 0 auto;
  text-align: center;
  position: relative;
  overflow: visible;
}

.footer__logo img {
  height: 7rem;
  filter: brightness(1.1) drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
  transition: transform 0.5s ease;
  position: relative;
  z-index: 2;
}

.footer__logo img:hover {
  transform: translateY(-5px);
}

.footer-glow {
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.3) 0%,
    rgba(156, 39, 176, 0.2) 40%,
    transparent 70%
  );
}

.footer__logo:hover .footer-glow {
  width: 140%;
  height: 140%;
  opacity: 0.6;
}

.footer h3 {
  color: var(--color-white);
  margin-bottom: 2rem;
  font-size: 1.8rem;
}

.footer__links ul {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

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

.social-icons {
  display: flex;
  gap: 2rem;
}

.social-icons a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 4rem;
  height: 4rem;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transition: var(--transition);
}

.social-icons a:hover {
  background-color: var(--color-primary);
  transform: translateY(-0.5rem);
}

.social-icons img {
  width: 2rem;
  height: 2rem;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  font-size: 1.4rem;
  color: var(--color-text-light);
}

.footer__bottom p {
  margin-bottom: 1rem;
}

/* Cities Operation */
.cities-operation {
  margin: 5rem 0;
}

.cities-title {
  text-align: center;
  color: var(--color-primary);
  margin-bottom: 3rem;
  font-size: 2.8rem;
}

.cities-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(30rem, 1fr));
  gap: 3rem;
  margin-top: 2rem;
}

.city {
  background-color: var(--color-white);
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.city::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0.5rem;
  background: linear-gradient(
    to right,
    var(--color-primary),
    var(--color-secondary)
  );
}

.city:hover {
  transform: translateY(-1rem);
  box-shadow: var(--shadow-large);
}

.city h4 {
  font-size: 2.4rem;
  color: var(--color-primary-dark);
  margin-bottom: 1.5rem;
}

.city p {
  color: var(--color-text);
  font-size: 1.6rem;
}

.cities-expansion {
  text-align: center;
  margin-top: 4rem;
  padding: 2rem;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  border: 1px dashed var(--color-primary-light);
}

.cities-expansion p {
  margin-bottom: 2rem;
  font-size: 1.8rem;
  color: var(--color-dark);
}

/* About Us Section */
.section--about-us {
  background: linear-gradient(
    120deg,
    var(--color-primary-light) 0%,
    var(--color-white) 100%
  );
  padding-top: 8rem;
  padding-bottom: 8rem;
}

.about-directors-visual {
  text-align: center;
  margin-bottom: 4rem;
}

.about-directors-visual svg {
  max-width: 900px;
  width: 100%;
  margin: 0 auto 1.5rem auto;
  display: block;
}

.about-visual-narrative {
  font-size: 1.8rem;
  color: var(--color-primary-dark);
  font-family: var(--font-display);
  margin-bottom: 3rem;
}

.directors-cards {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}

.director-card {
  background: var(--color-white);
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(156, 39, 176, 0.12),
    0 1.5px 6px rgba(123, 31, 162, 0.08);
  padding: 3rem 2.5rem 2.5rem 2.5rem;
  max-width: 320px;
  min-width: 260px;
  text-align: center;
  transition: transform 0.25s, box-shadow 0.25s;
  position: relative;
  z-index: 1;
}

.director-card:hover {
  transform: translateY(-8px) scale(1.04);
  box-shadow: 0 16px 48px rgba(156, 39, 176, 0.18),
    0 3px 12px rgba(123, 31, 162, 0.12);
}

.director-photo {
  width: 110px;
  height: 110px;
  object-fit: cover;
  border-radius: 50%;
  margin: 0 auto 1.2rem auto;
  border: 4px solid var(--color-primary);
  box-shadow: 0 2px 12px rgba(156, 39, 176, 0.15);
}

.director-role {
  color: var(--color-secondary);
  font-size: 1.3rem;
  margin-bottom: 0.7rem;
  font-weight: 600;
}

.director-bio {
  font-size: 1.5rem;
  color: var(--color-text-light);
  margin-bottom: 1.2rem;
}

.director-cv {
  text-align: left;
  margin: 0 auto 1.2rem auto;
  padding-left: 1.2rem;
  font-size: 1.3rem;
  color: var(--color-dark);
}

.director-cv li {
  margin-bottom: 0.5rem;
  list-style: disc;
}

.director-intersection {
  font-size: 1.2rem;
  color: var(--color-primary-dark);
  font-style: italic;
  margin-top: 0.7rem;
}

.about-origin-story {
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 12px;
  padding: 2.5rem 2rem;
  margin-top: 2.5rem;
  box-shadow: 0 4px 18px rgba(123, 31, 162, 0.13);
  text-align: center;
}

.about-origin-story h3 {
  color: var(--color-secondary);
  margin-bottom: 1.2rem;
}

/* Director Cards: media and motto extracted from inline */
.director-motto {
  font-size: 1.2rem;
  color: var(--color-primary-dark);
  margin-bottom: 0.7rem;
  font-style: italic;
}

.director-media-title {
  margin-top: 1.5rem;
  margin-bottom: 0.7rem;
  color: var(--color-primary-dark);
  font-size: 1.3rem;
}

.director-media-list {
  list-style: disc inside;
  font-size: 1.2rem;
  text-align: left;
  margin: 0 auto 0 0;
  padding-left: 1.2rem;
}

.director-media-link {
  color: var(--color-secondary);
  text-decoration: underline;
}

/* News & Projects Section */
.section--news-projects {
  background: linear-gradient(
    120deg,
    var(--color-white) 0%,
    var(--color-primary-light) 100%
  );
  padding-top: 7rem;
  padding-bottom: 7rem;
}

/* Innovative narrative block */
.innovation-narrative {
  text-align: center;
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--color-primary-dark);
  margin-bottom: 2rem;
}

.innovation-narrative-chip {
  background: rgba(255, 255, 255, 0.7);
  padding: 0.7rem 1.2rem;
  border-radius: 2rem;
  box-shadow: 0 2px 12px rgba(156, 39, 176, 0.1);
  display: inline-block;
}

.innovation-accent {
  color: #ff4081;
}

/* News & Events extracted from inline */
.news-events-intro {
  text-align: center;
  margin-bottom: 2.5rem;
  font-size: 1.7rem;
  color: var(--color-primary-dark);
  font-family: var(--font-display);
}

.news-social-icons {
  display: flex;
  justify-content: center;
  gap: 2.2rem;
  margin-bottom: 2.5rem;
}

.news-social-icons img {
  width: 32px;
  height: 32px;
  filter: drop-shadow(0 2px 6px #e1bee7);
  transition: transform 0.2s;
}

.news-events-list {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
}

.news-event-card {
  display: block;
  width: 320px;
  background: #fff;
  border-radius: 1rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  transition: box-shadow 0.2s;
}

.news-event-card__img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.news-event-card__body {
  padding: 1.2rem;
}

.news-event-card__date {
  font-size: 1.1rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.news-event-card__title {
  font-size: 1.3rem;
  margin: 0 0 0.5rem 0;
  color: var(--color-primary-dark);
}

.news-event-card__desc {
  font-size: 1rem;
  color: #555;
  margin-bottom: 0.7rem;
}

.tag-chip {
  display: inline-block;
  background: #e1bee7;
  color: var(--color-primary-dark);
  padding: 0.2rem 0.8rem;
  border-radius: 1rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.news-events-cta {
  text-align: center;
  margin-top: 3rem;
}

.news-projects-list {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  justify-content: center;
}

.news-project-card {
  background: var(--color-white);
  border-radius: 14px;
  box-shadow: 0 4px 18px rgba(156, 39, 176, 0.1);
  padding: 2.2rem 2rem 2rem 2rem;
  max-width: 340px;
  min-width: 260px;
  flex: 1 1 300px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: transform 0.22s, box-shadow 0.22s;
  position: relative;
}

.news-project-card:hover {
  transform: translateY(-6px) scale(1.03);
  box-shadow: 0 10px 32px rgba(156, 39, 176, 0.16);
}

.news-project-date {
  font-size: 1.1rem;
  color: var(--color-secondary);
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.news-project-title {
  font-size: 1.7rem;
  color: var(--color-primary-dark);
  margin-bottom: 0.7rem;
  font-family: var(--font-display);
}

.news-project-desc {
  font-size: 1.3rem;
  color: var(--color-text-light);
  margin-bottom: 1.2rem;
}

.news-project-link {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 1.2rem;
  text-decoration: underline;
  margin-top: auto;
  transition: color 0.2s;
}

.news-project-link:hover {
  color: var(--color-secondary);
}

/* Responsive */
@media screen and (max-width: 768px) {
  html {
    font-size: 55%;
  }

  .header {
    padding: 1rem 0;
  }

  .header__logo img {
    height: 9rem;
  }

  .nav__menu {
    position: fixed;
    top: 15rem;
    right: -100%;
    width: 70%;
    height: calc(100vh - 15rem);
    background-color: var(--color-white);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 5rem 0;
    box-shadow: var(--shadow);
    transition: var(--transition);
  }

  .nav__menu.active {
    right: 0;
  }

  .nav__toggle {
    display: block;
  }

  .nav__toggle.active .nav__toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(0.5rem, 0.5rem);
  }

  .nav__toggle.active .nav__toggle-bar:nth-child(2) {
    opacity: 0;
  }

  .nav__toggle.active .nav__toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(0.5rem, -0.5rem);
  }

  .hero__title {
    font-size: 4.5rem;
  }

  .hero__subtitle {
    font-size: 2.5rem;
  }

  .section {
    padding: 7rem 0;
  }

  .mission-pillars,
  .principles,
  .governance-model {
    grid-template-columns: 1fr;
  }

  .cities-container {
    grid-template-columns: 1fr;
  }
}

@media screen and (max-width: 480px) {
  html {
    font-size: 50%;
  }

  .header__logo img {
    height: 7.5rem;
  }

  .hero__title {
    font-size: 3.8rem;
  }

  .hero__subtitle {
    font-size: 2.2rem;
  }

  .quote {
    font-size: 2rem;
    padding: 1.5rem 2rem;
  }

  .footer__content {
    grid-template-columns: 1fr;
    gap: 4rem;
    text-align: center;
  }

  .footer__logo {
    margin: 0 auto;
  }

  .social-icons {
    justify-content: center;
  }
}

@media screen and (max-width: 900px) {
  .directors-cards {
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
  }

  .news-projects-list {
    flex-direction: column;
    align-items: center;
    gap: 2rem;
  }
}

@media screen and (max-width: 600px) {
  .about-directors-visual svg {
    max-width: 100%;
    height: 120px;
  }
  .about-origin-story {
    padding: 1.5rem 0.7rem;
  }
}