/* ==========================================================================
   Bap Play Summer Camp — Landing Page Styles
   Dark futuristic UI with glassmorphism and neon accents
   ========================================================================== */

/* --- Custom Properties --- */
:root {
  --bg-deep: #050810;
  --bg-navy: #0a0f1e;
  --bg-card: rgba(12, 18, 36, 0.55);
  --text-primary: #f4f6fb;
  --text-secondary: #a8b2c8;
  --text-muted: #6b7a94;
  --accent-cyan: #22d3ee;
  --accent-purple: #a78bfa;
  --accent-pink: #f472b6;
  --accent-green: #4ade80;
  --gradient-hero: linear-gradient(135deg, #22d3ee 0%, #a78bfa 45%, #f472b6 80%, #4ade80 100%);
  --gradient-countdown: linear-gradient(160deg, rgba(34, 211, 238, 0.15) 0%, rgba(167, 139, 250, 0.2) 50%, rgba(244, 114, 182, 0.12) 100%);
  --gradient-btn: linear-gradient(90deg, #22d3ee, #a78bfa, #f472b6);
  --font-heading: "Orbitron", "Segoe UI", sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --glow-cyan: 0 0 40px rgba(34, 211, 238, 0.25);
  --glow-purple: 0 0 60px rgba(167, 139, 250, 0.2);
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-primary);
  background: var(--bg-deep);
  min-height: 100vh;
  overflow-x: hidden;
}

/* --- Animated Background --- */
.bg-gradient {
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(34, 211, 238, 0.12), transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(167, 139, 250, 0.1), transparent),
    radial-gradient(ellipse 50% 30% at 0% 80%, rgba(244, 114, 182, 0.08), transparent),
    var(--bg-deep);
  animation: gradientShift 18s ease-in-out infinite alternate;
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(34, 211, 238, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 20%, transparent 75%);
}

.bg-orbs {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  animation: orbFloat 20s ease-in-out infinite;
}

.orb--cyan {
  width: 400px;
  height: 400px;
  background: var(--accent-cyan);
  top: -10%;
  left: -5%;
  animation-delay: 0s;
}

.orb--purple {
  width: 350px;
  height: 350px;
  background: var(--accent-purple);
  top: 40%;
  right: -10%;
  animation-delay: -5s;
}

.orb--pink {
  width: 300px;
  height: 300px;
  background: var(--accent-pink);
  bottom: 10%;
  left: 20%;
  animation-delay: -10s;
}

.orb--green {
  width: 250px;
  height: 250px;
  background: var(--accent-green);
  bottom: -5%;
  right: 25%;
  animation-delay: -15s;
  opacity: 0.2;
}

@keyframes gradientShift {
  0% { filter: hue-rotate(0deg) brightness(1); }
  100% { filter: hue-rotate(15deg) brightness(1.05); }
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 30px) scale(0.95); }
}

/* --- Layout --- */
main {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section {
  padding: 4rem 0;
}

/* --- Fade-in animations (triggered by JS) --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--transition), transform 0.8s var(--transition);
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in--delay-1 { transition-delay: 0.1s; }
.fade-in--delay-2 { transition-delay: 0.2s; }
.fade-in--delay-3 { transition-delay: 0.35s; }

/* --- Hero --- */
.hero {
  text-align: center;
  padding-top: 5rem;
  padding-bottom: 3rem;
}

.hero__eyebrow {
  font-family: var(--font-body);
  font-size: clamp(0.75rem, 2vw, 0.9rem);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
  text-shadow: 0 0 20px rgba(34, 211, 238, 0.4);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 12vw, 6.5rem);
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1.75rem;
  filter: drop-shadow(0 0 30px rgba(167, 139, 250, 0.35));
}

.hero__subtext {
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  font-weight: 300;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 3rem;
  line-height: 1.75;
}

/* --- Countdown Timer --- */
.countdown {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(0.5rem, 2vw, 1rem);
  max-width: 720px;
  margin: 0 auto;
}

.countdown__unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
}

.countdown__segment {
  width: 100%;
  aspect-ratio: 1 / 1.05;
  max-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-countdown);
  border: 1px solid rgba(34, 211, 238, 0.2);
  border-radius: var(--radius-md) var(--radius-md) var(--radius-xl) var(--radius-xl);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow:
    var(--glow-cyan),
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 8px 32px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.countdown__segment::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06) 0%, transparent 40%);
  pointer-events: none;
}

.countdown__segment:hover {
  box-shadow:
    0 0 50px rgba(34, 211, 238, 0.35),
    0 0 80px rgba(167, 139, 250, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.countdown__value {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 8vw, 3.25rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  text-shadow: 0 0 20px rgba(34, 211, 238, 0.5);
  position: relative;
  z-index: 1;
}

.countdown__label {
  font-family: var(--font-body);
  font-size: clamp(0.65rem, 1.8vw, 0.8rem);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Pulse animation when seconds tick */
.countdown__segment.is-tick {
  animation: tickPulse 0.4s ease-out;
}

@keyframes tickPulse {
  0% { box-shadow: 0 0 60px rgba(244, 114, 182, 0.4); }
  100% { box-shadow: var(--glow-cyan), inset 0 1px 0 rgba(255, 255, 255, 0.08); }
}

/* --- Glass Card --- */
.glass-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 5vw, 2.75rem);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow:
    0 24px 48px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  background: linear-gradient(90deg, var(--text-primary), var(--accent-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section__lead {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

/* --- Registration Form --- */
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form__group {
  margin-bottom: 1.25rem;
}

.form__group--full {
  grid-column: 1 / -1;
}

.form__label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.form__input {
  width: 100%;
  padding: 0.9rem 1.1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-primary);
  background: rgba(5, 8, 16, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.form__input::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

.form__input:hover {
  border-color: rgba(34, 211, 238, 0.25);
}

.form__input:focus {
  border-color: var(--accent-cyan);
  background: rgba(5, 8, 16, 0.85);
  box-shadow:
    0 0 0 3px rgba(34, 211, 238, 0.15),
    0 0 24px rgba(34, 211, 238, 0.2);
}

.form__input:invalid:not(:placeholder-shown) {
  border-color: rgba(244, 114, 182, 0.5);
}

.btn-submit {
  width: 100%;
  margin-top: 0.5rem;
  padding: 1.1rem 2rem;
  font-family: var(--font-heading);
  font-size: clamp(0.9rem, 2.5vw, 1rem);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bg-deep);
  background: var(--gradient-btn);
  background-size: 200% auto;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  box-shadow:
    0 0 30px rgba(34, 211, 238, 0.35),
    0 0 60px rgba(167, 139, 250, 0.2);
  transition: transform var(--transition), box-shadow var(--transition), background-position 0.5s ease;
}

.btn-submit:hover {
  transform: translateY(-2px);
  background-position: right center;
  box-shadow:
    0 0 40px rgba(34, 211, 238, 0.5),
    0 0 80px rgba(244, 114, 182, 0.3);
}

.btn-submit:active {
  transform: translateY(0);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.form__message {
  margin-top: 1rem;
  text-align: center;
  font-size: 0.9rem;
  padding: 0.75rem;
  border-radius: var(--radius-sm);
}

.form__message.is-success {
  color: var(--accent-green);
  background: rgba(74, 222, 128, 0.1);
  border: 1px solid rgba(74, 222, 128, 0.25);
}

.form__message.is-error {
  color: var(--accent-pink);
  background: rgba(244, 114, 182, 0.1);
  border: 1px solid rgba(244, 114, 182, 0.25);
}

/* Honeypot spam field — hidden from users, visible to bots */
.form__honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

/* --- Camp Details --- */
.details__date {
  margin: 1.5rem 0 2rem;
  padding: 1.25rem;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.08), rgba(167, 139, 250, 0.08));
  border-radius: var(--radius-md);
  border-left: 3px solid var(--accent-cyan);
}

.details__date-range {
  font-family: var(--font-heading);
  font-size: clamp(1rem, 3vw, 1.25rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-primary);
}

.details__host-photo {
  margin: 0 auto 1.75rem;
  max-width: 280px;
}

.details__host-photo-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  padding: 3px;
  background: var(--gradient-hero);
  box-shadow:
    0 0 32px rgba(34, 211, 238, 0.18),
    0 0 48px rgba(167, 139, 250, 0.12),
    0 12px 36px rgba(0, 0, 0, 0.4);
}

.details__host-photo-frame::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: calc(var(--radius-lg) - 3px);
  background: linear-gradient(
    180deg,
    transparent 50%,
    rgba(5, 8, 16, 0.65) 100%
  );
  pointer-events: none;
  z-index: 1;
}

.details__host-image {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center 15%;
  border-radius: calc(var(--radius-lg) - 3px);
  filter: saturate(0.9) contrast(1.03);
  transition: filter var(--transition), transform var(--transition);
}

.details__host-photo-frame:hover .details__host-image {
  filter: saturate(1) contrast(1.05);
  transform: scale(1.02);
}

.details__host {
  margin-bottom: 2rem;
  text-align: center;
}

.details__host-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.details__host-name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 0.35rem;
}

.details__host-role {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.details__list {
  list-style: none;
  margin-bottom: 2rem;
}

.details__list li {
  padding: 0.5rem 0;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.details__list li:last-child {
  border-bottom: none;
}

.details__badge {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--accent-cyan);
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.25);
  border-radius: 999px;
}

.details__curriculum-title {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.details__topics {
  list-style: none;
  display: grid;
  gap: 0.65rem;
}

.details__topics li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--text-secondary);
}

.details__topics li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--gradient-btn);
  box-shadow: 0 0 8px rgba(34, 211, 238, 0.5);
}

/* --- Mission --- */
.mission {
  padding-bottom: 5rem;
}

.mission__inner {
  position: relative;
  text-align: center;
  padding: clamp(2.5rem, 6vw, 4rem) clamp(1.5rem, 4vw, 3rem);
  background: linear-gradient(180deg, rgba(12, 18, 36, 0.4) 0%, rgba(5, 8, 16, 0.6) 100%);
  border: 1px solid rgba(167, 139, 250, 0.15);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.mission__accent {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 2px;
  background: var(--gradient-hero);
  box-shadow: 0 0 20px rgba(167, 139, 250, 0.6);
}

.mission__title {
  font-family: var(--font-heading);
  font-size: clamp(0.9rem, 2.5vw, 1rem);
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.mission__name {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 700;
  letter-spacing: 0.2em;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 2.5rem;
}

.mission__content {
  display: grid;
  grid-template-columns: minmax(200px, 280px) 1fr;
  gap: clamp(2rem, 5vw, 3rem);
  align-items: center;
  max-width: 820px;
  margin: 0 auto;
  text-align: left;
}

.mission__portrait {
  margin: 0;
}

.mission__portrait-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  padding: 3px;
  background: var(--gradient-hero);
  box-shadow:
    0 0 40px rgba(34, 211, 238, 0.2),
    0 0 60px rgba(167, 139, 250, 0.15),
    0 16px 48px rgba(0, 0, 0, 0.45);
}

.mission__portrait-frame::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: calc(var(--radius-lg) - 3px);
  background: linear-gradient(
    180deg,
    transparent 55%,
    rgba(5, 8, 16, 0.75) 100%
  );
  pointer-events: none;
  z-index: 1;
}

.mission__photo {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center 20%;
  border-radius: calc(var(--radius-lg) - 3px);
  filter: saturate(0.92) contrast(1.02);
  transition: filter var(--transition), transform var(--transition);
}

.mission__portrait-frame:hover .mission__photo {
  filter: saturate(1) contrast(1.05);
  transform: scale(1.02);
}

.mission__caption {
  margin-top: 1rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: center;
  color: var(--text-muted);
}

.mission__text {
  max-width: none;
  margin: 0;
  text-align: left;
}

.mission__text p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  font-size: clamp(0.95rem, 2.2vw, 1.05rem);
  line-height: 1.8;
}

.mission__text p:last-child {
  margin-bottom: 0;
}

.mission__text strong {
  color: var(--accent-purple);
  font-weight: 600;
}

/* --- Footer --- */
.footer {
  text-align: center;
  padding: 2rem 1.25rem 3rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

/* --- Responsive --- */
@media (max-width: 600px) {
  .form__row {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 3.5rem;
  }

  .section {
    padding: 3rem 0;
  }

  .countdown__segment {
    max-height: 90px;
  }

  .mission__content {
    grid-template-columns: 1fr;
    max-width: 340px;
    text-align: center;
  }

  .mission__text {
    text-align: left;
  }
}

@media (max-width: 380px) {
  .countdown {
    gap: 0.35rem;
  }

  .countdown__label {
    letter-spacing: 0.08em;
  }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .fade-in {
    opacity: 1;
    transform: none;
  }
}