/* =============== GOOGLE FONTS =============== */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* =============== VARIABLES CSS =============== */
:root {
  --header-height: 4rem;

  /* ========== Colors ========== */
  /* Deep Emerald Green and Gold Palette */
  --first-color: #064E3B; /* Deep Emerald */
  --first-color-alt: #047857; /* Lighter Emerald */
  --second-color: #F59E0B; /* Gold/Amber */
  --title-color: #111827;
  --text-color: #4B5563;
  --text-color-light: #9CA3AF;
  --body-color: #F9FAFB;
  --container-color: #FFFFFF;
  
  /* ========== Typography ========== */
  --body-font: 'Outfit', sans-serif;
  --biggest-font-size: 2.5rem;
  --h1-font-size: 1.5rem;
  --h2-font-size: 1.25rem;
  --h3-font-size: 1rem;
  --normal-font-size: .938rem;
  --small-font-size: .813rem;
  --smaller-font-size: .75rem;

  /* ========== Font weight ========== */
  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semi-bold: 600;
  --font-bold: 700;

  /* ========== z index ========== */
  --z-tooltip: 10;
  --z-fixed: 100;
  --z-modal: 1000;
}

/* Responsive typography */
@media screen and (min-width: 968px) {
  :root {
    --biggest-font-size: 4rem;
    --h1-font-size: 2.25rem;
    --h2-font-size: 1.5rem;
    --h3-font-size: 1.25rem;
    --normal-font-size: 1rem;
    --small-font-size: .875rem;
    --smaller-font-size: .813rem;
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  background-color: var(--body-color);
  color: var(--text-color);
  transition: .4s; /* For dark mode if needed later */
}

h1, h2, h3 {
  color: var(--title-color);
  font-weight: var(--font-semi-bold);
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
}

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

/* =============== REUSABLE CSS CLASSES =============== */
.container {
  max-width: 1024px;
  margin-left: 1.5rem;
  margin-right: 1.5rem;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.section {
  padding: 5.5rem 0 2rem;
}

.section__title {
  font-size: var(--h1-font-size);
  margin-bottom: 1.5rem;
}

.section__title span {
  color: var(--first-color);
}

.section__subtitle {
  display: block;
  font-size: var(--small-font-size);
  color: var(--first-color);
  margin-bottom: 3rem;
  font-weight: var(--font-medium);
}

.text-center {
  text-align: center;
}

.main {
  overflow: hidden;
}

/* =============== BUTTONS =============== */
.button {
  display: inline-block;
  background-color: var(--first-color);
  color: #fff;
  padding: 1rem 2rem;
  border-radius: .5rem;
  font-weight: var(--font-medium);
  transition: .3s;
}

.button:hover {
  background-color: var(--first-color-alt);
  box-shadow: 0 4px 12px rgba(6, 78, 59, 0.2);
}

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

.button--ghost:hover {
  background-color: var(--first-color);
  color: #fff;
}

/* =============== HEADER & NAV =============== */
.header {
  width: 100%;
  position: absolute; /* Default to absolute so it scrolls away */
  top: 0;
  left: 0;
  z-index: var(--z-fixed);
  background-color: transparent;
  transition: .4s;
}

.nav {
  height: var(--header-height);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__logo {
  color: var(--title-color);
  font-weight: var(--font-bold);
  display: flex;
  align-items: center;
  column-gap: .25rem;
  font-size: 1.2rem;
  transition: .3s;
}

.nav__logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.nav__logo:hover {
  color: var(--first-color);
}

.nav__actions {
  display: flex;
  align-items: center;
  column-gap: 1rem;
}

.nav__toggle {
  font-size: 1.5rem;
  color: var(--title-color);
  cursor: pointer;
}

@media screen and (max-width: 767px) {
  /* Floating Action Button for Mobile */
  .nav__toggle {
    position: fixed;
    bottom: 2rem;
    right: 1.5rem;
    background-color: var(--first-color);
    color: #fff;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 16px rgba(6, 78, 59, 0.4);
    z-index: var(--z-fixed);
  }
  
  /* Hide Join button in header to keep mobile clean */
  .nav__actions .nav__btn {
    display: none;
  }

  .nav__menu {
    position: fixed;
    top: -100%;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 4rem 0 3rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: .4s;
    border-bottom-left-radius: 1.5rem;
    border-bottom-right-radius: 1.5rem;
  }
}

.nav__list {
  display: flex;
  flex-direction: column;
  align-items: center;
  row-gap: 1.5rem;
}

.nav__link {
  color: var(--title-color);
  font-weight: var(--font-medium);
  transition: .3s;
}

.nav__link:hover {
  color: var(--first-color);
}

.nav__close {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 1.5rem;
  color: var(--title-color);
  cursor: pointer;
}

.nav__btn {
  padding: .5rem 1rem;
}

/* Show menu */
.show-menu {
  top: 0;
}

/* Active link */
.active-link {
  color: var(--first-color);
  position: relative;
}

.active-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--first-color);
}

/* Change background header on desktop */
@media screen and (min-width: 768px) {
  .scroll-header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 16px rgba(0,0,0,0.05);
  }
}

/* =============== HOME =============== */
.home {
  padding-top: 8rem;
  position: relative;
}

.home__container {
  align-items: center;
  row-gap: 3rem;
}

.home__title {
  font-size: var(--biggest-font-size);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.home__title span {
  color: var(--first-color);
}

.home__description {
  margin-bottom: 2rem;
  font-size: var(--h3-font-size);
}

.home__buttons {
  display: flex;
  column-gap: 1rem;
}

.home__blob {
  position: relative;
  width: 300px;
  height: 300px;
  margin: 0 auto;
}

.home__blob-inner {
  width: 100%;
  height: 100%;
  border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
  overflow: hidden;
  box-shadow: inset 0 0 0 8px rgba(255,255,255, 0.5), 0 20px 30px rgba(0,0,0,0.1);
  animation: morph 8s ease-in-out infinite;
  background: linear-gradient(45deg, var(--first-color), var(--second-color));
}

.home__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  mix-blend-mode: overlay;
  opacity: 0.8;
}

@keyframes morph {
  0% { border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%; }
  34% { border-radius: 70% 30% 50% 50% / 30% 30% 70% 70%; }
  67% { border-radius: 100% 60% 60% 100% / 100% 100% 60% 60%; }
  100% { border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%; }
}

/* =============== PRESIDENT =============== */
.president {
  background-color: var(--container-color);
}

.president__container {
  row-gap: 3rem;
  align-items: center;
}

.president__img-wrapper {
  position: relative;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.president__img-wrapper::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(180deg, rgba(6,78,59,0) 0%, rgba(6,78,59,0.4) 100%);
  z-index: 1;
}

.president__description {
  font-size: var(--h3-font-size);
  font-style: italic;
  margin-bottom: 2rem;
  color: var(--text-color);
  line-height: 1.6;
}

.president__name {
  color: var(--first-color);
  margin-bottom: .25rem;
}

.president__title {
  font-size: var(--small-font-size);
  font-weight: var(--font-medium);
  color: var(--text-color-light);
}

/* =============== ABOUT / OBJECTIVES =============== */
.about__container {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}

.about__card {
  background-color: var(--container-color);
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 4px 16px rgba(0,0,0,0.05);
  transition: .3s;
  text-align: center;
}

.about__card:hover {
  transform: translateY(-10px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.about__icon {
  width: 60px;
  height: 60px;
  background-color: rgba(6, 78, 59, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
  color: var(--first-color);
  transition: .3s;
}

.about__card:hover .about__icon {
  background-color: var(--first-color);
  color: #fff;
}

.about__title {
  margin-bottom: 1rem;
}

/* =============== CHAPTERS =============== */
.chapters {
  background-color: var(--container-color);
  overflow: hidden;
}

.marquee {
  display: flex;
  overflow: hidden;
  user-select: none;
  gap: 2rem;
}

.marquee__content {
  flex-shrink: 0;
  display: flex;
  justify-content: space-around;
  min-width: 100%;
  gap: 2rem;
  animation: scroll 20s linear infinite;
}

.chapter__badge {
  background-color: var(--body-color);
  color: var(--title-color);
  padding: 1rem 2rem;
  border-radius: 2rem;
  font-weight: var(--font-medium);
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  border: 1px solid rgba(0,0,0,0.05);
  transition: .3s;
}

.chapter__badge:hover {
  background-color: var(--first-color);
  color: #fff;
}

@keyframes scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(calc(-100% - 2rem));
  }
}

/* =============== EXCOS =============== */
.excos__container {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.excos__card {
  position: relative;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,0.05);
  transition: .3s;
}

.excos__card:hover {
  transform: translateY(-10px);
}

.excos__img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: .5s;
}

.excos__card:hover .excos__img {
  transform: scale(1.1);
}

.excos__data {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.8) 100%);
  padding: 2rem 1.5rem 1.5rem;
  color: #fff;
}

.excos__name {
  color: #fff;
  font-size: var(--h3-font-size);
  margin-bottom: .25rem;
}

.excos__role {
  font-size: var(--small-font-size);
  color: var(--second-color);
}

.excos__actions {
  margin-top: 3rem;
}

/* =============== EVENTS =============== */
.events {
  background-color: var(--container-color);
}

.events__container {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.events__card {
  background-color: var(--body-color);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,0.05);
  transition: .3s;
}

.events__card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.events__img-wrapper {
  position: relative;
  height: 200px;
}

.events__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.events__date {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: var(--first-color);
  color: #fff;
  padding: .5rem;
  border-radius: .5rem;
  text-align: center;
  min-width: 60px;
}

.events__day {
  display: block;
  font-size: var(--h2-font-size);
  font-weight: var(--font-bold);
  line-height: 1;
}

.events__month {
  font-size: var(--small-font-size);
}

.events__badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background-color: var(--second-color);
  color: #fff;
  padding: .25rem .75rem;
  border-radius: 2rem;
  font-size: var(--small-font-size);
  font-weight: var(--font-medium);
}

.events__data {
  padding: 1.5rem;
}

.events__title {
  margin-bottom: .5rem;
}

.events__description {
  margin-bottom: 1.5rem;
  color: var(--text-color);
}

.events__link {
  display: inline-flex;
  align-items: center;
  color: var(--first-color);
  font-weight: var(--font-medium);
  transition: .3s;
}

.events__link i {
  font-size: 1.25rem;
  margin-left: .25rem;
  transition: .3s;
}

.events__link:hover i {
  transform: translateX(4px);
}

/* =============== FOOTER =============== */
.footer {
  background-color: var(--title-color);
  color: var(--text-color-light);
  padding: 4rem 0 2rem;
}

.footer__container {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer__logo {
  color: #fff;
  font-size: var(--h2-font-size);
  font-weight: var(--font-bold);
  display: flex;
  align-items: center;
  column-gap: .25rem;
  margin-bottom: 1rem;
}

.footer__logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.footer__title {
  color: #fff;
  margin-bottom: 1.5rem;
}

.footer__links {
  display: flex;
  flex-direction: column;
  row-gap: .75rem;
}

.footer__link {
  color: var(--text-color-light);
  transition: .3s;
}

.footer__link:hover {
  color: var(--first-color);
}

.footer__socials {
  display: flex;
  column-gap: 1rem;
  margin-top: 1rem;
}

.footer__social-link {
  display: inline-flex;
  background-color: rgba(255,255,255,0.1);
  color: #fff;
  padding: .5rem;
  border-radius: .25rem;
  font-size: 1.25rem;
  transition: .3s;
}

.footer__social-link:hover {
  background-color: var(--first-color);
}

.footer__copy {
  display: block;
  text-align: center;
  font-size: var(--small-font-size);
}

/* =============== BREAKPOINTS =============== */
@media screen and (min-width: 768px) {
  .header {
    position: fixed;
  }
  .nav {
    height: calc(var(--header-height) + 1.5rem);
  }
  .nav__toggle, .nav__close {
    display: none;
  }
  .nav__list {
    flex-direction: row;
    column-gap: 3rem;
  }
  .home__container,
  .president__container {
    grid-template-columns: repeat(2, 1fr);
  }
  .home__blob {
    width: 450px;
    height: 450px;
  }
  .president__image {
    order: -1;
  }
}

@media screen and (min-width: 1024px) {
  .container {
    margin-left: auto;
    margin-right: auto;
  }
}

/* =============== ANIMATION CLASSES =============== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}