/* ============================================================
   Spring Into Action – Design System
   Colors: Dark Navy Blue (#0a1628) + Gold (#d4a843)
   ============================================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;600;700;800;900&display=swap');

/* ---------- Custom Properties ---------- */
:root {
  /* Core colors */
  --navy-deep: #060e1a;
  --navy: #0a1628;
  --navy-light: #0f2042;
  --navy-mid: #162d54;
  --gold: #d4a843;
  --gold-light: #e8c76a;
  --gold-dim: #a07e30;
  --gold-glow: rgba(212, 168, 67, 0.25);
  --white: #f0f0f0;
  --white-dim: rgba(240, 240, 240, 0.7);
  --white-muted: rgba(240, 240, 240, 0.4);
  --glass-bg: rgba(15, 32, 66, 0.55);
  --glass-border: rgba(212, 168, 67, 0.15);
  --glass-border-hover: rgba(212, 168, 67, 0.35);

  /* Typography */
  --font-body: 'Inter', system-ui, sans-serif;
  --font-heading: 'Outfit', system-ui, sans-serif;

  /* Spacing */
  --section-py: clamp(4rem, 8vw, 7rem);
  --container-px: clamp(1.25rem, 4vw, 3rem);
  --container-max: 1100px;

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: 0.2s var(--ease-out);
  --transition-med: 0.45s var(--ease-out);
  --transition-slow: 0.7s var(--ease-out);

  /* Border radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  background: var(--navy-deep);
  color: var(--white);
  line-height: 1.7;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
  color: var(--gold-light);
}

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

/* ---------- Utilities ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-px);
  padding-right: var(--container-px);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 0.5em;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent);
  border-radius: 2px;
}

/* ---------- Scroll Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* stagger children */
.reveal-children>* {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-med), transform var(--transition-med);
}

.reveal-children.visible>*:nth-child(1) {
  transition-delay: 0.05s;
}

.reveal-children.visible>*:nth-child(2) {
  transition-delay: 0.15s;
}

.reveal-children.visible>*:nth-child(3) {
  transition-delay: 0.25s;
}

.reveal-children.visible>*:nth-child(4) {
  transition-delay: 0.35s;
}

.reveal-children.visible>* {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0.9rem 0;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: rgba(6, 14, 26, 0.75);
  border-bottom: 1px solid var(--glass-border);
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
}

.navbar.scrolled {
  background: rgba(6, 14, 26, 0.92);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--gold);
  letter-spacing: -0.02em;
  transition: color var(--transition-fast);
}

.nav-brand:hover {
  color: var(--gold-light);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--white-dim);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  position: relative;
  padding-bottom: 2px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width var(--transition-fast);
}

.nav-links a:hover {
  color: var(--white);
}

.nav-links a:hover::after {
  width: 100%;
}

/* Language toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  overflow: hidden;
  margin-left: 0.5rem;
}

.lang-btn {
  background: none;
  border: none;
  color: var(--white-muted);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  letter-spacing: 0.05em;
}

.lang-btn.active {
  background: var(--gold);
  color: var(--navy-deep);
}

.lang-btn:not(.active):hover {
  color: var(--white);
}

/* Mobile hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

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

.hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 6rem var(--container-px) 4rem;
}

/* Animated gradient background */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(212, 168, 67, 0.04) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 20% 80%, rgba(22, 45, 84, 0.6) 0%, transparent 50%),
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(22, 45, 84, 0.4) 0%, transparent 50%),
    linear-gradient(180deg, var(--navy-deep) 0%, var(--navy) 100%);
  z-index: 0;
}

/* Floating disc decorations */
.hero-disc {
  position: absolute;
  border-radius: 50%;
  border: 2px solid var(--gold-glow);
  opacity: 0.4;
  animation: float 8s ease-in-out infinite;
  z-index: 0;
}

.hero-disc--1 {
  width: 300px;
  height: 300px;
  top: 10%;
  right: -5%;
  animation-delay: 0s;
  border-color: rgba(212, 168, 67, 0.1);
}

.hero-disc--2 {
  width: 180px;
  height: 180px;
  bottom: 15%;
  left: -3%;
  animation-delay: -3s;
  border-color: rgba(212, 168, 67, 0.15);
}

.hero-disc--3 {
  width: 100px;
  height: 100px;
  top: 25%;
  left: 10%;
  animation-delay: -5s;
  border-color: rgba(212, 168, 67, 0.08);
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  50% {
    transform: translateY(-25px) rotate(8deg);
  }
}

/* Golden disc icon */
.hero-disc-icon {
  width: 140px;
  height: 60px;
  margin: 0 auto 2rem;
  position: relative;
  z-index: 1;
  animation: discFly 12s linear infinite;
}

@keyframes discFly {

  /* Resting flat on the left (2.4s) */
  0%,
  20% {
    transform: translateX(-40vw) translateY(0) rotate(0deg);
  }

  /* ---------------- Right Flight (3.6s) ---------------- */
  25% {
    transform: translateX(-26.6vw) translateY(-31px) rotate(-6deg);
  }

  30% {
    transform: translateX(-13.3vw) translateY(-49px) rotate(-4deg);
  }

  35% {
    transform: translateX(0vw) translateY(-55px) rotate(-1deg);
  }

  40% {
    transform: translateX(13.3vw) translateY(-49px) rotate(2deg);
  }

  45% {
    transform: translateX(26.6vw) translateY(-31px) rotate(4deg);
  }

  /* Resting flat on the right (2.4s) */
  50%,
  70% {
    transform: translateX(40vw) translateY(0) rotate(0deg);
  }

  /* ---------------- Left Flight (3.6s) ---------------- */
  75% {
    transform: translateX(26.6vw) translateY(-31px) rotate(6deg);
  }

  80% {
    transform: translateX(13.3vw) translateY(-49px) rotate(4deg);
  }

  85% {
    transform: translateX(0vw) translateY(-55px) rotate(1deg);
  }

  90% {
    transform: translateX(-13.3vw) translateY(-49px) rotate(-2deg);
  }

  95% {
    transform: translateX(-26.6vw) translateY(-31px) rotate(-4deg);
  }

  /* Back to resting left */
  100% {
    transform: translateX(-40vw) translateY(0) rotate(0deg);
  }
}

.hero-disc-icon svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 30px rgba(212, 168, 67, 0.4));
}


.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 9vw, 5.5rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 40%, var(--gold-dim) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  padding-bottom: 0.05em;
  margin-bottom: 0.35em;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--white-dim);
  font-weight: 300;
  margin-bottom: 0.5em;
}

.hero-date {
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.3em;
}

.hero-hosted {
  font-size: 1rem;
  color: var(--white-muted);
  font-weight: 400;
  letter-spacing: 0.04em;
  margin-bottom: 2.5rem;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--white-muted);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: bounce 2s ease-in-out infinite;
}

.scroll-indicator svg {
  width: 20px;
  height: 20px;
  stroke: var(--gold);
}

@keyframes bounce {

  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  50% {
    transform: translateX(-50%) translateY(8px);
  }
}

/* ============================================================
   COUNTDOWN
   ============================================================ */
.countdown {
  display: flex;
  gap: clamp(1rem, 3vw, 2rem);
  justify-content: center;
  margin-bottom: 1rem;
}

.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.countdown-value {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  min-width: 2ch;
  text-align: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 0.4em 0.5em;
  backdrop-filter: blur(8px);
}

.countdown-label {
  font-size: 0.75rem;
  color: var(--white-muted);
  margin-top: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about {
  padding: var(--section-py) 0;
  position: relative;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.about-content p {
  color: var(--white-dim);
  font-size: 1.05rem;
  max-width: 700px;
}

/* ============================================================
   DETAILS SECTION
   ============================================================ */
.details {
  padding: var(--section-py) 0;
  position: relative;
}

/* Background gradient accent */
.details::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 50% 50% at 80% 50%, rgba(212, 168, 67, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.detail-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color var(--transition-fast), transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.detail-card:hover {
  border-color: var(--glass-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(212, 168, 67, 0.1);
}

.detail-card-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(212, 168, 67, 0.15), rgba(212, 168, 67, 0.05));
  border-radius: var(--radius-sm);
}

.detail-card-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.detail-card-label {
  font-size: 0.8rem;
  color: var(--white-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.3rem;
}

.detail-card-value {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--white);
}

/* ============================================================
   SCHEDULE SECTION
   ============================================================ */
.schedule {
  padding: var(--section-py) 0;
}

.schedule-notice {
  color: var(--white-muted);
  font-style: italic;
  margin-top: 0.5rem;
  margin-bottom: 2rem;
}

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

.schedule-day {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.schedule-day-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--glass-border);
}

.schedule-item {
  display: flex;
  gap: 1rem;
  padding: 0.75rem 0;
  align-items: flex-start;
}

.schedule-item+.schedule-item {
  border-top: 1px solid rgba(240, 240, 240, 0.05);
}

.schedule-time {
  font-weight: 600;
  color: var(--gold-light);
  font-size: 0.9rem;
  min-width: 100px;
  flex-shrink: 0;
}

.schedule-desc {
  color: var(--white-dim);
  font-size: 0.95rem;
}

/* ============================================================
   LOCATION SECTION
   ============================================================ */
.location {
  padding: var(--section-py) 0;
  position: relative;
}

.location::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 50% 50% at 20% 50%, rgba(212, 168, 67, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.location-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2.5rem;
  align-items: start;
}

.location-info {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  backdrop-filter: blur(12px);
}

.location-info h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.location-info .address {
  color: var(--gold);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.location-info .directions {
  color: var(--white-dim);
  font-size: 0.95rem;
  line-height: 1.6;
}

.location-map {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--glass-border);
}

.location-map img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-med);
}

.location-map:hover img {
  transform: scale(1.03);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--glass-border);
  text-align: center;
}

.footer p {
  color: var(--white-muted);
  font-size: 0.85rem;
}

.footer p+p {
  margin-top: 0.3rem;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75vw;
    max-width: 320px;
    height: 100vh;
    background: rgba(6, 14, 26, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    justify-content: center;
    gap: 2.5rem;
    padding: 2rem;
    transition: right var(--transition-med);
    border-left: 1px solid var(--glass-border);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    font-size: 1.2rem;
  }

  .hamburger {
    display: flex;
  }

  .location-wrapper {
    grid-template-columns: 1fr;
  }

  .schedule-time {
    min-width: 80px;
  }
}

@media (max-width: 480px) {
  .countdown-value {
    font-size: 1.6rem;
    padding: 0.3em 0.4em;
  }

  .hero-title {
    font-size: 2.5rem;
  }
}

/* ---------- Divider between sections ---------- */
.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg,
      transparent 0%,
      var(--glass-border) 25%,
      var(--gold-glow) 50%,
      var(--glass-border) 75%,
      transparent 100%);
  max-width: var(--container-max);
  margin: 0 auto;
}