/* ═══════════════════════════════════════════
   RIO CLUB — Main Stylesheet
   ═══════════════════════════════════════════ */

/* ── Variables ── */
:root {
  --navy:        #022456;
  --navy-dark:   #011530;
  --navy-mid:    #0a2d6b;
  --pink:        #FF4D6D;
  --pink-hover:  #e03558;
  --white:       #ffffff;
  --gray-light:  #c8d0de;
  --gray-mid:    #8899bb;
  --overlay:     rgba(1, 21, 48, 0.72);
  --overlay-blur: rgba(2, 36, 86, 0.78);

  --font: 'Inter', 'Segoe UI', Arial, sans-serif;

  --nav-h: 72px;
  --radius-card: 18px;
  --radius-btn: 50px;

  --transition: 0.3s ease;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--navy);
  color: var(--white);
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { font-family: var(--font); cursor: pointer; border: none; background: none; }
ol, ul { list-style: none; }

/* ══════════════════════════════════════════
   NAVBAR
══════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: rgba(1, 21, 48, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 24px rgba(0,0,0,0.3);
}

.nav-logo-link { display: flex; align-items: center; }
.nav-logo      { height: 38px; width: auto; object-fit: contain; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-light);
  position: relative;
  transition: color var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--pink);
  transition: width var(--transition);
}

.nav-link:hover { color: var(--white); }
.nav-link:hover::after { width: 100%; }

/* ── Language toggle ── */
.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
}

.lang-btn {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--gray-mid);
  padding: 4px 6px;
  transition: color var(--transition);
}

.lang-btn:hover,
.lang-btn.active { color: var(--white); }

.lang-btn.active {
  border-bottom: 2px solid var(--pink);
}

.lang-sep { color: var(--gray-mid); font-size: 0.8rem; user-select: none; }

/* ── Hamburger ── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ══════════════════════════════════════════
   HERO
══════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 60% 40%, #0d2e70 0%, var(--navy-dark) 70%);
  overflow: hidden;
}

/* subtle grid overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 24px;
  animation: fadeUp 1s ease both;
}

.hero-logo {
  width: 420px;
  max-width: 80vw;
  margin-bottom: 28px;
  transform: translateX(-25px);
}

.hero-tagline {
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gray-light);
}

/* pink accent line under tagline */
.hero-tagline::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--pink);
  margin: 14px auto 0;
  border-radius: 2px;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ══════════════════════════════════════════
   SCROLL ARROW  (shared)
══════════════════════════════════════════ */
.scroll-arrow {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  animation: arrowBounce 2.2s infinite;
}

.scroll-arrow span {
  display: block;
  width: 18px;
  height: 18px;
  border-right: 2.5px solid rgba(255,255,255,0.55);
  border-bottom: 2.5px solid rgba(255,255,255,0.55);
  transform: rotate(45deg);
  transition: border-color var(--transition);
}

.scroll-arrow:hover span { border-color: var(--pink); }

@keyframes arrowBounce {
  0%, 60%, 100% { transform: translateX(-50%) translateY(0); }
  30%            { transform: translateX(-50%) translateY(8px); }
}

/* ══════════════════════════════════════════
   ABOUT
══════════════════════════════════════════ */
.about {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--navy) url('../images/Rio-Background-About.png') center/cover no-repeat;
  overflow: hidden;
}

.about-overlay {
  position: absolute;
  inset: 0;
  background: var(--overlay-blur);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.about-inner {
  position: relative;
  z-index: 2;
  max-width: 820px;
  padding: 100px 80px 100px 120px;
}

.about-logo {
  width: 380px;
  max-width: 75vw;
  margin-bottom: 32px;
  margin-left: -20px;
}

.about-text {
  font-size: 1.25rem;
  font-weight: 300;
  line-height: 1.85;
  color: var(--gray-light);
}

.about-text strong {
  color: var(--white);
  font-weight: 600;
}

/* ── Scroll-reveal utility ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ══════════════════════════════════════════
   SECTION TITLES  (shared)
══════════════════════════════════════════ */
.section-title {
  font-size: clamp(2.6rem, 6vw, 5rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--pink);
  line-height: 1;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--gray-mid);
  max-width: 620px;
  line-height: 1.7;
  margin-bottom: 48px;
}

/* ══════════════════════════════════════════
   CAMPAIGNS
══════════════════════════════════════════ */
.campaigns {
  position: relative;
  background: var(--navy-dark);
  padding: 100px 60px 120px;
  text-align: center;
  overflow: hidden;
}

.campaigns .section-title {
  margin-bottom: 56px;
}

.campaigns-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1100px;
  margin: 0 auto;
}

/* ── Campaign Card ── */
.campaign-card {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4 / 3;
  background: var(--navy-mid);
  box-shadow: 0 8px 32px rgba(0,0,0,0.28);
  transition: transform var(--transition), box-shadow var(--transition);
}

.campaign-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
}

.campaign-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.campaign-card:hover img { transform: scale(1.06); }

.campaign-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(1,21,48,0.92) 0%, rgba(1,21,48,0.1) 55%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding: 22px 18px;
  transition: background var(--transition);
}

.campaign-card:hover .campaign-card-overlay {
  background: linear-gradient(to top, rgba(1,21,48,0.97) 0%, rgba(1,21,48,0.35) 100%);
}

.campaign-play {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--pink);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  transition: transform var(--transition), background var(--transition);
  flex-shrink: 0;
}

.campaign-card:hover .campaign-play {
  transform: scale(1.12);
  background: var(--pink-hover);
}

.campaign-play svg {
  width: 18px;
  height: 18px;
  fill: #fff;
  margin-left: 3px; /* optical centering for play icon */
}

.campaign-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--white);
  text-align: center;
  line-height: 1.4;
}

/* ══════════════════════════════════════════
   VIDEO MODAL
══════════════════════════════════════════ */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  align-items: center;
  justify-content: center;
}

.modal.open { display: flex; }

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.82);
  backdrop-filter: blur(4px);
}

.modal-box {
  position: relative;
  z-index: 2;
  background: #0a1a38;
  border-radius: 16px;
  padding: 16px;
  max-width: 92vw;
  box-shadow: 0 24px 80px rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-box iframe,
.modal-box video {
  border-radius: 10px;
  width: 840px;
  height: 473px;
  max-width: 85vw;
  max-height: 65vh;
}

.modal-close {
  position: absolute;
  top: -16px;
  right: -16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--pink);
  color: #fff;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transition: background var(--transition), transform var(--transition);
  z-index: 3;
}

.modal-close:hover {
  background: var(--pink-hover);
  transform: scale(1.1);
}

/* ══════════════════════════════════════════
   GAME PLAN
══════════════════════════════════════════ */
.game-plan {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-bottom: 80px;
}

.game-plan-bg {
  position: absolute;
  inset: 0;
  background: url('../images/Rio-Background-Gameplan.png') center/cover no-repeat;
}

.game-plan-overlay {
  position: absolute;
  inset: 0;
  background: var(--overlay-blur);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.game-plan-inner {
  position: relative;
  z-index: 2;
  max-width: 740px;
  padding: 120px 60px 60px 10vw;
}

.game-plan-inner .section-subtitle {
  margin-bottom: 40px;
}

/* ── Numbered list ── */
.game-plan-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.game-plan-item {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.gp-num {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--pink);
  line-height: 1;
  min-width: 52px;
  opacity: 0.85;
}

.gp-body {}

.gp-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 5px;
  letter-spacing: 0.02em;
}

.gp-desc {
  font-size: 0.93rem;
  font-weight: 300;
  color: var(--gray-light);
  line-height: 1.65;
}

/* ══════════════════════════════════════════
   MEMBERS
══════════════════════════════════════════ */
.members {
  background: var(--navy);
  padding: 100px 60px 120px;
}

.members-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.members .section-subtitle {
  margin-bottom: 56px;
}

.members-grid {
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  gap: 0 48px;
}

.members-divider-line {
  background: linear-gradient(to bottom, var(--pink) 30%, transparent);
  align-self: stretch;
}

.members-col {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.members-group-title {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-mid);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.members-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
}

.members-logos img {
  height: 52px;
  max-width: 160px;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.75;
  transition: opacity var(--transition), filter var(--transition);
}

.members-logos img:hover {
  opacity: 1;
  filter: brightness(0) invert(1) drop-shadow(0 0 6px rgba(255,77,109,0.5));
}

/* ══════════════════════════════════════════
   FOOTER
══════════════════════════════════════════ */
.footer {
  background: var(--navy-dark);
  padding: 60px 40px 40px;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-logo {
  height: 48px;
  width: auto;
  margin: 0 auto 16px;
  opacity: 0.85;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--gray-mid);
  margin-top: 8px;
}

/* ══════════════════════════════════════════
   RESPONSIVE  — Tablet  (≤1024px)
══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .navbar { padding: 0 24px; }

  .nav-menu {
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: rgba(1, 21, 48, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    gap: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    z-index: 800;
  }

  .nav-menu.open {
    max-height: 400px;
    padding: 20px 0 28px;
  }

  .nav-link {
    padding: 14px 0;
    font-size: 1rem;
  }

  .hamburger { display: flex; }

  .about-inner { padding: 80px 32px 80px 40px; }
  .about-logo  { width: 280px; }
  .about-text  { font-size: 1.1rem; }

  .campaigns { padding: 80px 32px 100px; }
  .campaigns-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }

  .game-plan-inner { padding: 100px 40px 60px 40px; }

  .members { padding: 80px 32px 100px; }
  .members-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .members-divider-line { display: none; }
}

/* ══════════════════════════════════════════
   RESPONSIVE  — Mobile  (≤600px)
══════════════════════════════════════════ */
@media (max-width: 600px) {
  :root { --nav-h: 60px; }

  .nav-logo   { height: 30px; }
  .navbar     { padding: 0 18px; }

  .hero-logo  { width: 260px; transform: none; }
  .hero-tagline { font-size: 0.85rem; letter-spacing: 0.2em; }

  .about { min-height: unset; }
  .about-inner { padding: 80px 20px 80px 20px; }
  .about-logo  { width: 200px; margin-left: 0; }
  .about-text  { font-size: 1rem; }

  .campaigns { padding: 60px 16px 80px; }
  .campaigns-grid { grid-template-columns: 1fr; gap: 16px; }

  .game-plan-inner { padding: 80px 20px 60px 20px; }
  .gp-num { font-size: 1.8rem; min-width: 40px; }

  .members { padding: 60px 16px 80px; }

  .modal-box iframe,
  .modal-box video { height: 50vw; }

  .section-title { margin-bottom: 32px; }
}