/* =============================================
   SkyHeal — Drone Healing Website
   CSS Stylesheet
   ============================================= */

/* ---- CSS Variables ---- */
:root {
  --sky-1: #0a1628;
  --sky-2: #0d2240;
  --sky-3: #1a3a5c;
  --sky-4: #2a5a8c;
  --sky-5: #4a90d9;
  --sky-light: #a8d8ea;

  --heal-green: #a8d8b9;
  --heal-green-dark: #5aab7a;
  --heal-green-mid: #7bbf9e;

  --gold: #f4c066;
  --gold-light: #fde68a;

  --white: #ffffff;
  --white-90: rgba(255,255,255,0.9);
  --white-70: rgba(255,255,255,0.7);
  --white-40: rgba(255,255,255,0.4);
  --white-15: rgba(255,255,255,0.15);
  --white-08: rgba(255,255,255,0.08);

  --dark-bg: #040d1a;
  --dark-card: rgba(10,22,40,0.8);
  --dark-card-border: rgba(168,216,185,0.15);

  --font-serif: 'Noto Serif KR', 'Playfair Display', Georgia, serif;
  --font-sans: 'Noto Sans KR', sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 40px;
  --radius-full: 9999px;

  --shadow-soft: 0 8px 32px rgba(0,0,0,0.3);
  --shadow-glow: 0 0 40px rgba(168,216,185,0.2);

  --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.2s ease;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--dark-bg);
  color: var(--white);
  overflow-x: hidden;
  cursor: none;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* =============================================
   CUSTOM CURSOR
   ============================================= */
#custom-cursor {
  width: 12px; height: 12px;
  background: var(--heal-green);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s, background 0.3s;
  mix-blend-mode: exclusion;
}
#cursor-trail {
  width: 36px; height: 36px;
  border: 1.5px solid rgba(168,216,185,0.5);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: all 0.12s ease;
}
body:hover #custom-cursor { opacity: 1; }

/* =============================================
   PRELOADER
   ============================================= */
#preloader {
  position: fixed; inset: 0;
  background: var(--dark-bg);
  z-index: 10000;
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}
#preloader.hidden { opacity: 0; visibility: hidden; }

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

.drone-svg {
  width: 80px; height: 50px;
  margin: 0 auto 1.5rem;
  display: block;
}

.preloader-text {
  font-family: var(--font-serif);
  color: var(--heal-green);
  font-size: 1rem;
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
  opacity: 0.8;
}

.preloader-bar {
  width: 200px; height: 2px;
  background: rgba(168,216,185,0.2);
  border-radius: var(--radius-full);
  margin: 0 auto;
  overflow: hidden;
}
.preloader-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--heal-green-dark), var(--heal-green), var(--sky-light));
  border-radius: var(--radius-full);
  animation: loadFill 2s ease forwards;
}
@keyframes loadFill {
  0% { width: 0%; }
  100% { width: 100%; }
}

/* =============================================
   NAVIGATION
   ============================================= */
#main-nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.2rem 0;
  transition: var(--transition);
}
#main-nav.scrolled {
  background: rgba(4, 13, 26, 0.92);
  backdrop-filter: blur(20px);
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--dark-card-border);
}
.nav-container {
  max-width: 1280px; margin: 0 auto;
  padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between;
  gap: 2rem;
}
.nav-logo {
  display: flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-serif);
  font-size: 1.4rem; font-weight: 700;
  color: var(--white);
}
.logo-icon {
  color: var(--heal-green);
  font-size: 1.2rem;
  animation: spin 8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.nav-links {
  display: flex; align-items: center; gap: 2rem;
}
.nav-links a {
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--white-70);
  letter-spacing: 0.05em;
  position: relative;
  transition: var(--transition-fast);
}
.nav-links a::after {
  content: '';
  position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--heal-green);
  transition: width 0.3s ease;
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: 1rem; }

.sound-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--white-08);
  border: 1px solid var(--white-15);
  color: var(--white-70);
  font-size: 0.85rem;
  transition: var(--transition-fast);
  display: flex; align-items: center; justify-content: center;
}
.sound-btn:hover, .sound-btn.active {
  background: var(--heal-green);
  color: var(--dark-bg);
  border-color: var(--heal-green);
}

.nav-menu-btn {
  display: none;
  flex-direction: column; gap: 5px;
  padding: 6px;
}
.nav-menu-btn span {
  display: block;
  width: 22px; height: 2px;
  background: var(--white-70);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-menu-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-menu-btn.open span:nth-child(2) { opacity: 0; }
.nav-menu-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed; inset: 0; top: 60px;
  background: rgba(4,13,26,0.97);
  backdrop-filter: blur(20px);
  z-index: 999;
  padding: 3rem 2rem;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu ul { display: flex; flex-direction: column; gap: 1.5rem; }
.mobile-menu a {
  font-family: var(--font-serif);
  font-size: 2rem; color: var(--white-70);
  transition: var(--transition-fast);
}
.mobile-menu a:hover { color: var(--heal-green); }

/* =============================================
   SECTION COMMON
   ============================================= */
.section-header { text-align: center; margin-bottom: 4rem; }
.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--heal-green);
  background: rgba(168,216,185,0.1);
  border: 1px solid rgba(168,216,185,0.25);
  padding: 0.3rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.2rem;
  text-transform: uppercase;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 600;
  line-height: 1.25;
  color: var(--white);
  margin-bottom: 1rem;
}
.section-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--heal-green), var(--sky-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-desc {
  color: var(--white-70);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto;
}
.section-header.light .section-title { color: var(--white); }

/* Reveal Animations */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 0;
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.4,0,0.2,1);
}
.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.revealed { opacity: 1 !important; transform: translate(0,0) !important; }

/* Buttons */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.75rem;
  background: linear-gradient(135deg, var(--heal-green-dark), var(--heal-green-mid));
  color: var(--dark-bg);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.9rem 2rem;
  border-radius: var(--radius-full);
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(91,171,122,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(91,171,122,0.5);
  background: linear-gradient(135deg, var(--heal-green), var(--sky-light));
}
.btn-primary.full-width { width: 100%; justify-content: center; }

.btn-outline {
  display: inline-flex; align-items: center; gap: 0.75rem;
  border: 1.5px solid var(--white-40);
  color: var(--white-70);
  font-size: 0.95rem;
  padding: 0.9rem 2rem;
  border-radius: var(--radius-full);
  transition: var(--transition);
}
.btn-outline:hover {
  border-color: var(--heal-green);
  color: var(--heal-green);
  transform: translateY(-2px);
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  background: linear-gradient(
    180deg,
    #030b18 0%,
    #071525 20%,
    #0d2a4a 50%,
    #0a1e35 80%,
    #040d1a 100%
  );
}

.hero-bg-video {
  position: absolute; inset: 0;
  z-index: 0;
}

/* 스타 필드 효과 */
.hero-bg-video::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.8) 0%, transparent 100%),
    radial-gradient(1px 1px at 25% 60%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 45% 15%, rgba(255,255,255,0.7) 0%, transparent 100%),
    radial-gradient(1px 1px at 65% 40%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 80% 75%, rgba(255,255,255,0.8) 0%, transparent 100%),
    radial-gradient(1px 1px at 90% 30%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(2px 2px at 15% 80%, rgba(168,216,185,0.4) 0%, transparent 100%),
    radial-gradient(2px 2px at 55% 85%, rgba(168,216,185,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 35% 45%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 70% 55%, rgba(255,255,255,0.7) 0%, transparent 100%);
  animation: twinkle 4s ease-in-out infinite alternate;
}
@keyframes twinkle {
  0% { opacity: 0.6; }
  100% { opacity: 1; }
}

.hero-gradient-overlay {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 60%, rgba(42,90,140,0.3) 0%, transparent 70%);
}

#particle-canvas {
  position: absolute; inset: 0;
  pointer-events: none;
}

/* 구름 */
.cloud {
  position: absolute;
  border-radius: 50px;
  background: rgba(255,255,255,0.04);
  filter: blur(40px);
  pointer-events: none;
}
.cloud-1 {
  width: 600px; height: 120px;
  top: 30%; left: -100px;
  animation: cloudFloat 20s linear infinite;
}
.cloud-2 {
  width: 400px; height: 80px;
  top: 55%; right: -50px;
  animation: cloudFloat 28s linear infinite reverse;
  opacity: 0.6;
}
.cloud-3 {
  width: 500px; height: 100px;
  top: 70%; left: 30%;
  animation: cloudFloat 24s linear infinite;
  opacity: 0.4;
}
@keyframes cloudFloat {
  0% { transform: translateX(0); }
  50% { transform: translateX(80px); }
  100% { transform: translateX(0); }
}

/* 드론 float */
.floating-drone {
  position: absolute;
  top: 18%; right: 8%;
  width: 160px;
  opacity: 0.7;
  animation: droneFly 6s ease-in-out infinite;
  filter: drop-shadow(0 0 20px rgba(168,216,185,0.3));
  z-index: 2;
}
@keyframes droneFly {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  25% { transform: translateY(-20px) rotate(1deg); }
  50% { transform: translateY(-10px) rotate(-1deg); }
  75% { transform: translateY(-25px) rotate(2deg); }
}

.hero-content {
  position: relative;
  z-index: 5;
  text-align: center;
  max-width: 800px;
  padding: 0 2rem;
  margin-top: 80px;
}

.hero-sub {
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  color: var(--heal-green);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  display: flex; flex-direction: column;
  align-items: center;
}
.hero-title .line1 { color: var(--white); }
.hero-title .line2 {
  background: linear-gradient(135deg, #a8d8ea 0%, #a8d8b9 50%, #f4c066 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-title em { font-style: italic; }

.hero-desc {
  color: var(--white-70);
  font-size: 1.15rem;
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.hero-cta {
  display: flex; align-items: center; justify-content: center;
  gap: 1rem; flex-wrap: wrap;
}

/* Scroll Hint */
.hero-scroll-hint {
  position: absolute;
  bottom: 6rem; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.75rem;
  color: var(--white-40);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  z-index: 5;
  animation: scrollBob 2s ease-in-out infinite;
}
@keyframes scrollBob {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}
.scroll-mouse {
  width: 22px; height: 36px;
  border: 1.5px solid var(--white-40);
  border-radius: 12px;
  display: flex; justify-content: center;
  padding-top: 6px;
}
.scroll-wheel {
  width: 4px; height: 8px;
  background: var(--white-40);
  border-radius: 2px;
  animation: scrollWheel 1.6s ease-in-out infinite;
}
@keyframes scrollWheel {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(12px); opacity: 0; }
}

/* Hero Stats */
.hero-stats {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 3rem;
  z-index: 5;
}
.stat-item { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 2rem; font-weight: 700;
  background: linear-gradient(135deg, var(--heal-green), var(--sky-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--white-40);
  display: block;
  margin-top: 0.2rem;
}

/* =============================================
   ABOUT SECTION
   ============================================= */
.about-section {
  padding: 8rem 0;
  background: linear-gradient(180deg, var(--dark-bg) 0%, #071525 100%);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.about-visual { position: relative; }
.about-img-wrap {
  position: relative;
  height: 500px;
}
.about-img {
  position: absolute;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.about-img-1 {
  width: 75%; height: 85%;
  top: 0; left: 0;
  box-shadow: var(--shadow-soft);
}
.about-img-2 {
  width: 55%; height: 55%;
  bottom: 0; right: 0;
  border: 3px solid var(--dark-bg);
  box-shadow: var(--shadow-soft);
}
.about-badge {
  position: absolute;
  top: 50%; left: 55%;
  transform: translate(-50%, -50%);
  background: linear-gradient(135deg, var(--heal-green-dark), var(--heal-green-mid));
  color: var(--dark-bg);
  border-radius: var(--radius-md);
  padding: 0.8rem 1.2rem;
  display: flex; align-items: center; gap: 0.5rem;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 8px 24px rgba(91,171,122,0.4);
  white-space: nowrap;
}
.about-text h3 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  line-height: 1.4;
  margin-bottom: 1.5rem;
  color: var(--white);
}
.about-text p {
  color: var(--white-70);
  line-height: 1.8;
  margin-bottom: 1.2rem;
  font-size: 0.97rem;
}
.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin-top: 2rem;
}
.feature-item {
  display: flex; align-items: flex-start; gap: 1rem;
  background: var(--white-08);
  border: 1px solid var(--dark-card-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  transition: var(--transition);
}
.feature-item:hover {
  background: rgba(168,216,185,0.08);
  border-color: rgba(168,216,185,0.3);
  transform: translateY(-2px);
}
.feature-icon {
  width: 36px; height: 36px;
  background: rgba(168,216,185,0.15);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--heal-green);
  font-size: 0.85rem;
  flex-shrink: 0;
}
.feature-item strong { display: block; font-size: 0.88rem; color: var(--white); margin-bottom: 0.2rem; }
.feature-item p { font-size: 0.78rem; color: var(--white-40); margin: 0; }

/* =============================================
   VIDEO SECTION
   ============================================= */
.video-section {
  padding: 8rem 0;
  background: linear-gradient(180deg, #071525 0%, var(--sky-1) 100%);
  position: relative;
  overflow: hidden;
}
.video-bg-decoration {
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(74,144,217,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.video-filter {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
  justify-content: center;
  margin-bottom: 3rem;
}
.filter-btn {
  padding: 0.5rem 1.4rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--white-15);
  color: var(--white-70);
  font-size: 0.85rem;
  font-family: var(--font-sans);
  transition: var(--transition-fast);
  background: transparent;
}
.filter-btn.active, .filter-btn:hover {
  background: var(--heal-green-dark);
  border-color: var(--heal-green-dark);
  color: var(--white);
}

/* 안내 배너 */
.video-notice {
  display: flex; align-items: center; gap: 0.75rem;
  background: rgba(168,216,185,0.08);
  border: 1px solid rgba(168,216,185,0.2);
  border-radius: var(--radius-full);
  padding: 0.7rem 1.4rem;
  margin-bottom: 2.5rem;
  width: fit-content;
  margin-left: auto; margin-right: auto;
  color: var(--heal-green);
  font-size: 0.88rem;
}
.video-notice i { font-size: 1rem; flex-shrink: 0; }

/* 비디오 카드 그리드 */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.vcard {
  display: block;
  background: var(--dark-card);
  border: 1px solid var(--dark-card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
}
.vcard:hover {
  transform: translateY(-6px);
  border-color: rgba(168,216,185,0.35);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4), 0 0 0 1px rgba(168,216,185,0.1);
}
.vcard.hidden { display: none; }

.vcard-thumb {
  position: relative;
  aspect-ratio: 16/9;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.vcard-thumb::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(4,13,26,0.7) 0%, transparent 50%);
  transition: opacity 0.3s ease;
}
.vcard:hover .vcard-thumb::after { opacity: 0.5; }

.vcard-overlay {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  z-index: 2;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.vcard:hover .vcard-overlay { opacity: 1; }

.vcard-play {
  width: 58px; height: 58px;
  background: rgba(91,171,122,0.9);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  font-size: 1.2rem;
  padding-left: 4px;
  box-shadow: 0 0 30px rgba(91,171,122,0.5);
  transform: scale(0.85);
  transition: transform 0.3s ease;
}
.vcard:hover .vcard-play { transform: scale(1); }

.vcard-cat {
  position: absolute;
  top: 0.75rem; left: 0.75rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-full);
  z-index: 3;
  backdrop-filter: blur(6px);
}
.vcard-cat.mountain { background: rgba(102,126,234,0.75); color: #c8d8ff; }
.vcard-cat.ocean    { background: rgba(0,180,216,0.7);    color: #b0eeff; }
.vcard-cat.forest   { background: rgba(67,233,123,0.6);   color: #c8fff0; }
.vcard-cat.night    { background: rgba(15,12,41,0.8);     color: #b0b0ff; }

.vcard-dur {
  position: absolute;
  bottom: 0.75rem; right: 0.75rem;
  font-size: 0.72rem;
  color: var(--white-70);
  background: rgba(4,13,26,0.65);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(4px);
  z-index: 3;
  display: flex; align-items: center; gap: 0.3rem;
}

.vcard-info {
  padding: 1rem 1.2rem 1.2rem;
}
.vcard-info h4 {
  font-family: var(--font-serif);
  font-size: 0.97rem;
  color: var(--white);
  margin-bottom: 0.3rem;
  line-height: 1.4;
  transition: color 0.2s;
}
.vcard:hover .vcard-info h4 { color: var(--heal-green); }
.vcard-info p {
  font-size: 0.78rem;
  color: var(--white-40);
  line-height: 1.5;
  margin: 0;
}

/* 외부 링크 아이콘 */
.vcard-info h4::after {
  content: ' ↗';
  font-size: 0.75rem;
  opacity: 0;
  transition: opacity 0.2s;
}
.vcard:hover .vcard-info h4::after { opacity: 0.6; }

/* =============================================
   GALLERY SECTION
   ============================================= */
.gallery-section {
  padding: 8rem 0;
  background: linear-gradient(180deg, var(--sky-1) 0%, #071525 100%);
}
.gallery-masonry {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 220px;
  gap: 1rem;
}
.gallery-item { position: relative; overflow: hidden; border-radius: var(--radius-md); cursor: pointer; }
.gallery-item.large { grid-column: span 2; grid-row: span 2; }
.gallery-item.tall { grid-row: span 2; }

.gallery-img {
  width: 100%; height: 100%;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s ease;
}
.gallery-item:hover .gallery-img { transform: scale(1.08); }

.gallery-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(4,13,26,0.8) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 1rem;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }

.gallery-caption {
  display: flex; align-items: center; gap: 0.4rem;
  color: var(--white);
  font-size: 0.85rem;
}
.gallery-caption i { color: var(--heal-green); font-size: 0.75rem; }
.gallery-zoom {
  width: 32px; height: 32px;
  background: var(--white-15);
  backdrop-filter: blur(8px);
  border-radius: 50%;
  color: var(--white);
  font-size: 0.75rem;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition-fast);
}
.gallery-zoom:hover { background: var(--heal-green-dark); }

/* Lightbox */
.lightbox {
  display: none;
  position: fixed; inset: 0;
  background: rgba(4,13,26,0.96);
  backdrop-filter: blur(20px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1rem;
}
.lightbox.open { display: flex; }
.lightbox-close {
  position: absolute; top: 1.5rem; right: 1.5rem;
  width: 44px; height: 44px;
  background: var(--white-08);
  border: 1px solid var(--white-15);
  border-radius: 50%;
  color: var(--white);
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition-fast);
}
.lightbox-close:hover { background: var(--heal-green-dark); }
.lightbox-img-wrap {
  max-width: 90vw; max-height: 80vh;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.lightbox-img {
  width: 90vw; max-width: 900px;
  height: 70vh;
  background-size: cover;
  background-position: center;
}
.lightbox-caption {
  color: var(--white-70);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

/* =============================================
   NATURE SOUNDS SECTION
   ============================================= */
.sounds-section {
  padding: 8rem 0;
  position: relative;
  background: linear-gradient(180deg, #071525 0%, var(--sky-1) 100%);
  overflow: hidden;
}
.sounds-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(74,144,217,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(168,216,185,0.06) 0%, transparent 50%);
  pointer-events: none;
}

.sounds-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.sound-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-card-border);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.sound-card::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(168,216,185,0.06) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
}
.sound-card:hover { transform: translateY(-4px); border-color: rgba(168,216,185,0.3); }
.sound-card:hover::before { opacity: 1; }
.sound-card.playing { border-color: var(--heal-green); box-shadow: var(--shadow-glow); }

.sound-visual {
  position: relative;
  height: 80px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem;
}
.sound-rings { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; }
.ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(168,216,185,0.2);
  transition: var(--transition);
}
.ring.r1 { width: 50px; height: 50px; }
.ring.r2 { width: 70px; height: 70px; }
.ring.r3 { width: 90px; height: 90px; }
.sound-card.playing .ring { animation: ringPulse 1.5s ease-in-out infinite; border-color: rgba(168,216,185,0.5); }
.sound-card.playing .ring.r2 { animation-delay: 0.3s; }
.sound-card.playing .ring.r3 { animation-delay: 0.6s; }
@keyframes ringPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.15); opacity: 0.5; }
}
.sound-emoji { font-size: 2.2rem; z-index: 1; position: relative; }

.sound-info { margin-bottom: 1rem; }
.sound-info h4 { font-family: var(--font-serif); font-size: 1.05rem; margin-bottom: 0.3rem; }
.sound-info p { font-size: 0.8rem; color: var(--white-40); }

.sound-controls {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: 0.75rem;
}
.sound-play-btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(168,216,185,0.12);
  border: 1px solid rgba(168,216,185,0.3);
  color: var(--heal-green);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
  transition: var(--transition-fast);
  padding-left: 2px;
}
.sound-play-btn:hover, .sound-play-btn.playing {
  background: var(--heal-green-dark);
  border-color: var(--heal-green-dark);
  color: var(--white);
}
.sound-vol { flex: 1; }
.vol-slider {
  width: 100%; -webkit-appearance: none;
  height: 3px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
.vol-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--heal-green);
  cursor: pointer;
}
.sound-wave { height: 30px; }
.wave-canvas { width: 100%; height: 100%; }

.sounds-hint {
  text-align: center;
  color: var(--white-40);
  font-size: 0.88rem;
  margin-top: 2rem;
}

/* =============================================
   BREATHING MEDITATION
   ============================================= */
.breathe-section {
  padding: 8rem 0;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--sky-1) 0%, #030b18 100%);
}
.breathe-bg {
  position: absolute; inset: 0;
  pointer-events: none;
}
.breathe-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: orbFloat 8s ease-in-out infinite;
}
.breathe-orb-1 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(168,216,185,0.08) 0%, transparent 70%);
  top: -100px; left: -100px;
  animation-delay: 0s;
}
.breathe-orb-2 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(74,144,217,0.08) 0%, transparent 70%);
  bottom: -50px; right: -50px;
  animation-delay: 3s;
}
.breathe-orb-3 {
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(244,192,102,0.06) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: 5s;
}
@keyframes orbFloat {
  0%, 100% { transform: scale(1) translate(0,0); }
  33% { transform: scale(1.1) translate(20px,-20px); }
  66% { transform: scale(0.95) translate(-10px,15px); }
}

.breathe-container {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.breathe-modes {
  display: flex; flex-direction: column; gap: 1rem;
}
.mode-btn {
  background: var(--dark-card);
  border: 1px solid var(--dark-card-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.2rem;
  text-align: left;
  transition: var(--transition-fast);
  cursor: pointer;
  display: flex; flex-direction: column; gap: 0.2rem;
}
.mode-btn:hover, .mode-btn.active {
  background: rgba(168,216,185,0.08);
  border-color: rgba(168,216,185,0.35);
}
.mode-icon { font-size: 1.5rem; }
.mode-label { font-size: 0.95rem; color: var(--white); font-weight: 500; }
.mode-desc { font-size: 0.78rem; color: var(--white-40); font-family: var(--font-sans); }

/* Breathe Circle */
.breathe-circle-wrap { display: flex; flex-direction: column; align-items: center; gap: 1.5rem; }

.breathe-circle {
  width: 220px; height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(168,216,185,0.15) 0%, rgba(74,144,217,0.05) 70%);
  border: 2px solid rgba(168,216,185,0.3);
  display: flex; align-items: center; justify-content: center;
  position: relative;
  transition: transform 4s ease, border-color 0.5s ease;
}
.breathe-circle.inhale {
  transform: scale(1.3);
  border-color: rgba(168,216,185,0.8);
  box-shadow: 0 0 60px rgba(168,216,185,0.2);
}
.breathe-circle.hold {
  transform: scale(1.3);
  border-color: var(--gold);
  box-shadow: 0 0 60px rgba(244,192,102,0.2);
}
.breathe-circle.exhale {
  transform: scale(1);
  border-color: rgba(74,144,217,0.6);
  box-shadow: 0 0 40px rgba(74,144,217,0.1);
}

.breathe-inner { text-align: center; z-index: 2; position: relative; }
.breathe-label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--white-70);
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}
.breathe-timer {
  display: block;
  font-family: var(--font-serif);
  font-size: 3rem;
  color: var(--heal-green);
  font-weight: 700;
}

.breathe-rings-anim { position: absolute; inset: 0; border-radius: 50%; }
.banim {
  position: absolute; border-radius: 50%;
  border: 1px solid rgba(168,216,185,0.15);
  inset: -10px; animation: none;
}
.banim.r2 { inset: -20px; }
.banim.r3 { inset: -30px; }
.breathe-circle.inhale .banim { animation: banimPulse 4s ease-in-out infinite; border-color: rgba(168,216,185,0.15); }

@keyframes banimPulse {
  0%, 100% { opacity: 0; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

.breathe-btns { display: flex; gap: 1rem; }

.breathe-start-btn, .breathe-stop-btn {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.75rem 1.8rem;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-sans);
  transition: var(--transition-fast);
}
.breathe-start-btn {
  background: linear-gradient(135deg, var(--heal-green-dark), var(--heal-green-mid));
  color: var(--dark-bg);
}
.breathe-start-btn:hover { transform: scale(1.05); }
.breathe-stop-btn {
  background: rgba(255,80,80,0.15);
  border: 1px solid rgba(255,80,80,0.3);
  color: #ff8080;
}
.breathe-stop-btn:hover { background: rgba(255,80,80,0.25); }

.breathe-cycle-info {
  font-size: 0.82rem;
  color: var(--white-40);
  letter-spacing: 0.05em;
}

.breathe-tips {
  background: var(--dark-card);
  border: 1px solid var(--dark-card-border);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
}
.breathe-tips h4 { font-family: var(--font-serif); margin-bottom: 1rem; font-size: 1rem; }
.breathe-tips ul { display: flex; flex-direction: column; gap: 0.75rem; }
.breathe-tips li { display: flex; align-items: flex-start; gap: 0.75rem; font-size: 0.88rem; color: var(--white-70); line-height: 1.5; }
.breathe-tips li i { color: var(--heal-green); margin-top: 0.15rem; flex-shrink: 0; }

/* =============================================
   TESTIMONIALS
   ============================================= */
.testimonials-section {
  padding: 8rem 0;
  background: linear-gradient(180deg, #030b18 0%, #071525 100%);
}
.testimonials-slider { position: relative; overflow: hidden; }
.testimonials-track {
  display: flex; gap: 1.5rem;
  transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
}
.testimonial-card {
  flex: 0 0 calc(33.333% - 1rem);
  background: var(--dark-card);
  border: 1px solid var(--dark-card-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
}
.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: rgba(168,216,185,0.3);
}
.tc-stars { color: var(--gold); font-size: 1rem; letter-spacing: 0.15em; margin-bottom: 1rem; }
.tc-text {
  color: var(--white-70);
  line-height: 1.7;
  font-size: 0.92rem;
  margin-bottom: 1.5rem;
  font-style: italic;
}
.tc-author {
  display: flex; align-items: center; gap: 0.75rem;
}
.tc-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--dark-bg);
}
.tc-author strong { display: block; font-size: 0.9rem; }
.tc-author span { font-size: 0.78rem; color: var(--white-40); }

.slider-dots { display: flex; justify-content: center; gap: 0.5rem; margin-top: 2rem; }
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--white-15);
  cursor: pointer;
  transition: var(--transition-fast);
}
.dot.active { background: var(--heal-green); width: 24px; border-radius: 4px; }

/* =============================================
   CONTACT SECTION
   ============================================= */
.contact-section {
  padding: 8rem 0;
  position: relative;
  background: linear-gradient(180deg, #071525 0%, #030b18 100%);
  overflow: hidden;
}
.contact-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(168,216,185,0.05) 0%, transparent 60%);
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
  position: relative; z-index: 2;
}
.contact-info h3 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  margin-bottom: 1rem;
}
.contact-info > p {
  color: var(--white-70);
  line-height: 1.7;
  margin-bottom: 2rem;
  font-size: 0.97rem;
}
.contact-items { display: flex; flex-direction: column; gap: 1.2rem; margin-bottom: 2rem; }
.contact-item {
  display: flex; align-items: center; gap: 1rem;
}
.ci-icon {
  width: 40px; height: 40px;
  background: rgba(168,216,185,0.1);
  border: 1px solid rgba(168,216,185,0.2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--heal-green);
  font-size: 0.85rem;
  flex-shrink: 0;
}
.contact-item strong { display: block; font-size: 0.8rem; color: var(--white-40); margin-bottom: 0.1rem; }
.contact-item span { font-size: 0.92rem; }

.social-links { display: flex; gap: 0.75rem; }
.social-btn {
  width: 40px; height: 40px;
  background: var(--white-08);
  border: 1px solid var(--white-15);
  border-radius: 50%;
  color: var(--white-70);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}
.social-btn:hover { background: var(--heal-green-dark); color: var(--white); border-color: var(--heal-green-dark); transform: translateY(-2px); }

/* Contact Form */
.contact-form-wrap {
  background: var(--dark-card);
  border: 1px solid var(--dark-card-border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
}
.contact-form { display: flex; flex-direction: column; gap: 1.2rem; }
.form-group label {
  display: block;
  font-size: 0.82rem;
  color: var(--white-70);
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--white-15);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  color: var(--white);
  font-size: 0.92rem;
  transition: var(--transition-fast);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--heal-green);
  background: rgba(168,216,185,0.05);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--white-40); }
.form-group select option { background: var(--sky-1); }
.form-group textarea { resize: vertical; }

.form-success {
  text-align: center;
  padding: 3rem 1rem;
}
.success-icon { font-size: 3rem; margin-bottom: 1rem; }
.form-success h3 { font-family: var(--font-serif); font-size: 1.4rem; margin-bottom: 0.5rem; }
.form-success p { color: var(--white-70); }

/* =============================================
   FOOTER
   ============================================= */
.footer { background: #020810; }
.footer-top { padding: 4rem 0; border-bottom: 1px solid var(--white-08); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 3rem;
}
.footer-brand p { color: var(--white-40); font-size: 0.88rem; line-height: 1.7; margin-top: 1rem; }
.footer-links h5 {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--heal-green);
  margin-bottom: 1rem;
}
.footer-links ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links a { font-size: 0.88rem; color: var(--white-40); transition: var(--transition-fast); }
.footer-links a:hover { color: var(--white); }
.footer-newsletter h5 {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--heal-green);
  margin-bottom: 0.75rem;
}
.footer-newsletter p { font-size: 0.85rem; color: var(--white-40); margin-bottom: 1rem; line-height: 1.6; }
.newsletter-form { display: flex; gap: 0.5rem; }
.newsletter-form input {
  flex: 1;
  background: var(--white-08);
  border: 1px solid var(--white-15);
  border-radius: var(--radius-full);
  padding: 0.6rem 1rem;
  color: var(--white);
  font-size: 0.85rem;
  outline: none;
  transition: var(--transition-fast);
}
.newsletter-form input:focus { border-color: var(--heal-green); }
.newsletter-form button {
  width: 38px; height: 38px;
  background: var(--heal-green-dark);
  border-radius: 50%;
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
  transition: var(--transition-fast);
}
.newsletter-form button:hover { background: var(--heal-green-mid); }

.footer-bottom { padding: 1.5rem 0; }
.footer-bottom p { text-align: center; color: var(--white-40); font-size: 0.82rem; }

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: 2rem; right: 2rem;
  width: 44px; height: 44px;
  background: var(--heal-green-dark);
  border-radius: 50%;
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
  z-index: 500;
  opacity: 0; pointer-events: none;
  transform: translateY(20px);
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(91,171,122,0.3);
}
.back-to-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-3px); background: var(--heal-green-mid); }

/* =============================================
   NAV AUTH BUTTONS
   ============================================= */
.nav-auth-btns {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav-login-btn {
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--white-70);
  border: 1px solid var(--white-15);
  transition: var(--transition-fast);
  letter-spacing: 0.02em;
}
.nav-login-btn:hover {
  color: var(--white);
  border-color: var(--white-40);
  background: var(--white-08);
}

.nav-register-btn {
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dark-bg);
  background: linear-gradient(135deg, var(--heal-green-dark), var(--heal-green-mid));
  transition: var(--transition-fast);
  letter-spacing: 0.02em;
  box-shadow: 0 2px 12px rgba(90,171,122,0.35);
}
.nav-register-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(90,171,122,0.5);
  filter: brightness(1.08);
}

/* =============================================
   NAV USER INFO (로그인 상태)
   ============================================= */
.nav-user-info {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
}

.nav-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--dark-bg);
  flex-shrink: 0;
  border: 2px solid transparent;
  transition: var(--transition-fast);
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.nav-user-info:hover .nav-avatar {
  border-color: var(--heal-green);
  box-shadow: 0 0 0 3px rgba(168,216,185,0.2);
}

.nav-username {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--white-90);
  max-width: 100px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 드롭다운 */
.nav-user-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background: rgba(8,20,42,0.97);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(168,216,185,0.18);
  border-radius: var(--radius-md);
  min-width: 140px;
  padding: 0.4rem 0;
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 1000;
}
.nav-user-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-user-dropdown::before {
  content: '';
  position: absolute;
  top: -6px; right: 12px;
  width: 10px; height: 10px;
  background: rgba(8,20,42,0.97);
  border-left: 1px solid rgba(168,216,185,0.18);
  border-top: 1px solid rgba(168,216,185,0.18);
  transform: rotate(45deg);
}

.dropdown-item {
  display: block;
  padding: 0.6rem 1.1rem;
  font-size: 0.84rem;
  color: var(--white-70);
  transition: var(--transition-fast);
  border-radius: 0;
}
.dropdown-item:hover {
  background: rgba(168,216,185,0.08);
  color: var(--heal-green);
}
.dropdown-item.danger { color: rgba(255,100,100,0.8); }
.dropdown-item.danger:hover { background: rgba(255,80,80,0.1); color: #ff7070; }

/* =============================================
   MODAL OVERLAY (공통)
   ============================================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4,13,26,0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s;
}
.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

/* =============================================
   MYPAGE MODAL
   ============================================= */
.mypage-modal {
  background: linear-gradient(145deg, #0d2240, #0a1628);
  border: 1px solid rgba(168,216,185,0.2);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
  transform: scale(0.95) translateY(20px);
  transition: transform 0.35s cubic-bezier(0.34,1.56,0.64,1);
}
.modal-overlay.open .mypage-modal {
  transform: scale(1) translateY(0);
}

.mypage-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}
.mypage-header h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--white);
}
.mypage-close {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--white-08);
  border: 1px solid var(--white-15);
  color: var(--white-70);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  transition: var(--transition-fast);
  cursor: pointer;
}
.mypage-close:hover { background: rgba(255,80,80,0.2); border-color: rgba(255,80,80,0.4); color: #ff8080; }

.mypage-profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}
.mypage-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--dark-bg);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4), 0 0 0 4px rgba(168,216,185,0.2);
}
.mypage-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
}
.mypage-email {
  font-size: 0.82rem;
  color: var(--white-40);
}
.mypage-joined {
  font-size: 0.78rem;
  color: var(--heal-green);
  opacity: 0.7;
}

.mypage-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 2rem;
}
.mp-stat {
  background: var(--white-08);
  border: 1px solid var(--white-15);
  border-radius: var(--radius-md);
  padding: 0.9rem 0.5rem;
  text-align: center;
}
.mp-num {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--heal-green);
  display: block;
}
.mp-label {
  font-size: 0.72rem;
  color: var(--white-40);
  display: block;
  margin-top: 0.2rem;
}

.mypage-logout {
  width: 100%;
  padding: 0.8rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,80,80,0.25);
  background: rgba(255,80,80,0.08);
  color: rgba(255,120,120,0.9);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
}
.mypage-logout:hover {
  background: rgba(255,80,80,0.18);
  border-color: rgba(255,80,80,0.4);
  color: #ff8888;
}

/* =============================================
   VIDEO MODAL
   ============================================= */
.video-modal-inner {
  background: linear-gradient(145deg, #0d2240, #0a1628);
  border: 1px solid rgba(168,216,185,0.2);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 560px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.7);
  overflow: hidden;
  transform: scale(0.95) translateY(20px);
  transition: transform 0.35s cubic-bezier(0.34,1.56,0.64,1);
}
.modal-overlay.open .video-modal-inner {
  transform: scale(1) translateY(0);
}

.vm-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 1.4rem 1.6rem 1rem;
  gap: 1rem;
}
.vm-info { flex: 1; min-width: 0; }
.vm-cat {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--heal-green);
  background: rgba(168,216,185,0.1);
  border: 1px solid rgba(168,216,185,0.2);
  border-radius: var(--radius-full);
  padding: 0.2rem 0.7rem;
  margin-bottom: 0.5rem;
}
.vm-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--white);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.vm-close {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--white-08);
  border: 1px solid var(--white-15);
  color: var(--white-70);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  transition: var(--transition-fast);
  cursor: pointer;
  flex-shrink: 0;
}
.vm-close:hover { background: rgba(255,80,80,0.2); border-color: rgba(255,80,80,0.4); color: #ff8080; }

.vm-body { padding: 0 1.6rem 1.2rem; }

.vm-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--sky-1);
  cursor: pointer;
}
.vm-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.vm-thumb:hover img { transform: scale(1.04); }

.vm-play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: rgba(4,13,26,0.45);
  transition: background 0.3s;
}
.vm-thumb:hover .vm-play-overlay { background: rgba(4,13,26,0.6); }

.vm-play-btn {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: rgba(168,216,185,0.15);
  border: 2px solid rgba(168,216,185,0.5);
  color: var(--white);
  font-size: 1.4rem;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition-fast);
  padding-left: 4px;
  backdrop-filter: blur(8px);
}
.vm-play-btn:hover {
  background: var(--heal-green-dark);
  border-color: var(--heal-green-dark);
  transform: scale(1.1);
  box-shadow: 0 0 30px rgba(90,171,122,0.4);
}
.vm-play-hint {
  font-size: 0.76rem;
  color: var(--white-70);
  text-align: center;
  text-shadow: 0 1px 4px rgba(0,0,0,0.8);
}

.vm-desc {
  font-size: 0.84rem;
  color: var(--white-40);
  line-height: 1.65;
  margin-top: 0.9rem;
}

.vm-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.6rem 1.4rem;
  border-top: 1px solid var(--white-08);
  gap: 0.75rem;
}

.vm-yt-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #c00, #ff0000);
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition-fast);
  box-shadow: 0 4px 16px rgba(200,0,0,0.3);
}
.vm-yt-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 22px rgba(200,0,0,0.45);
  filter: brightness(1.1);
}
.vm-yt-btn i { font-size: 1rem; }

.vm-actions { display: flex; gap: 0.5rem; }
.vm-action-btn {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  background: var(--white-08);
  border: 1px solid var(--white-15);
  color: var(--white-70);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  transition: var(--transition-fast);
  cursor: pointer;
}
.vm-action-btn:hover { background: rgba(168,216,185,0.1); border-color: rgba(168,216,185,0.3); color: var(--heal-green); }
.vm-action-btn.active { background: rgba(168,216,185,0.15); border-color: rgba(168,216,185,0.4); color: var(--heal-green); }
.vm-action-btn.vm-delete-btn:hover { background: rgba(255,107,107,0.15); border-color: rgba(255,107,107,0.4); color: #ff8080; }
.vm-action-btn { padding: 0 0.65rem; gap: 0.4rem; min-width: 38px; width: auto; font-size: 0.78rem; }

/* ===== YouTube 임베드 플레이어 ===== */
.vm-player {
  position: absolute;
  inset: 0;
  background: #000;
  display: none;
  z-index: 10;
}
.vm-player.active { display: block; }
.vm-player iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* ===== 영상 등록 버튼 + 안내 ===== */
.video-add-btn {
  margin-left: 0.75rem;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--heal-green), var(--heal-green-dark));
  color: #fff;
  border: none;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 0.4rem;
  transition: var(--transition-fast);
  box-shadow: 0 4px 14px rgba(91,171,122,0.3);
}
.video-add-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(91,171,122,0.45); filter: brightness(1.1); }

/* 로딩 / 빈 상태 */
.video-loading {
  grid-column: 1 / -1;
  display: flex; align-items: center; justify-content: center;
  gap: 0.7rem;
  padding: 4rem 1rem;
  color: var(--white-40);
  font-size: 0.95rem;
}
.video-loading i { font-size: 1.4rem; color: var(--heal-green); }
.video-empty {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 1rem;
  padding: 4rem 1rem;
  color: var(--white-40);
  text-align: center;
}
.video-empty i { font-size: 3rem; color: rgba(168,216,185,0.4); }
.video-empty p { font-size: 0.95rem; margin: 0; }

/* ===== 영상 등록 모달 ===== */
.video-form-inner {
  width: 92%;
  max-width: 540px;
  max-height: 92vh;
  background: linear-gradient(180deg, #18222b 0%, #0f1419 100%);
  border: 1px solid rgba(168,216,185,0.18);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.6);
  transform: scale(0.92) translateY(20px);
  opacity: 0;
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  flex-direction: column;
}
.modal-overlay.open .video-form-inner { transform: scale(1) translateY(0); opacity: 1; }

.vfm-header {
  padding: 1.2rem 1.6rem;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--white-08);
  background: rgba(168,216,185,0.04);
}
.vfm-header h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--white);
  margin: 0;
  display: flex; align-items: center; gap: 0.55rem;
}
.vfm-header h3 i { color: var(--heal-green); }

.vfm-body {
  padding: 1.4rem 1.6rem;
  overflow-y: auto;
}
.vfm-field { margin-bottom: 1.1rem; }
.vfm-field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--heal-green);
  margin-bottom: 0.45rem;
}
.vfm-field label small { color: var(--white-40); font-weight: 400; }
.vfm-field label i { width: 14px; margin-right: 0.25rem; }
.vfm-field input,
.vfm-field select,
.vfm-field textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--white-15);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-size: 0.88rem;
  font-family: inherit;
  transition: var(--transition-fast);
}
.vfm-field input:focus,
.vfm-field select:focus,
.vfm-field textarea:focus {
  outline: none;
  border-color: rgba(168,216,185,0.5);
  background: rgba(168,216,185,0.05);
  box-shadow: 0 0 0 3px rgba(168,216,185,0.1);
}
.vfm-field textarea { resize: vertical; min-height: 70px; }
.vfm-field select { cursor: pointer; }
.vfm-hint { display: block; font-size: 0.74rem; color: var(--white-40); margin-top: 0.35rem; }
.vfm-err { display: block; font-size: 0.76rem; color: #ff8080; margin-top: 0.35rem; min-height: 1em; }
.vfm-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.vfm-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.7rem;
  margin-top: 1.4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--white-08);
}
.vfm-actions .btn-cancel,
.vfm-actions .btn-submit {
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  border: none;
  display: inline-flex; align-items: center; gap: 0.4rem;
}
.vfm-actions .btn-cancel {
  background: var(--white-08);
  color: var(--white-70);
  border: 1px solid var(--white-15);
}
.vfm-actions .btn-cancel:hover { background: var(--white-15); color: var(--white); }
.vfm-actions .btn-submit {
  background: linear-gradient(135deg, var(--heal-green), var(--heal-green-dark));
  color: #fff;
  box-shadow: 0 4px 14px rgba(91,171,122,0.3);
}
.vfm-actions .btn-submit:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(91,171,122,0.45);
  filter: brightness(1.1);
}
.vfm-actions .btn-submit:disabled { opacity: 0.6; cursor: not-allowed; }

.vfm-msg {
  margin-top: 0.9rem;
  padding: 0;
  font-size: 0.85rem;
  text-align: center;
  min-height: 1.2em;
}
.vfm-msg.error { color: #ff8080; }
.vfm-msg.success { color: var(--heal-green); }

/* category color additions */
.vcard-cat.desert { background: rgba(244,192,102,0.7); color: #fff5dd; }
.vcard-cat.city   { background: rgba(120,140,180,0.75); color: #e0e8ff; }

/* =============================================
   카드 통계 (조회수) + 모달 메타
   ============================================= */
.vcard-stats {
  display: flex;
  gap: 1rem;
  margin-top: 0.55rem;
  font-size: 0.74rem;
  color: var(--white-40);
}
.vcard-stats span { display: inline-flex; align-items: center; gap: 0.3rem; }
.vcard-stats i { font-size: 0.78rem; }

.vm-meta {
  display: flex;
  gap: 1rem;
  margin-top: 0.4rem;
  font-size: 0.78rem;
  color: var(--white-40);
}
.vm-meta span { display: inline-flex; align-items: center; gap: 0.35rem; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-img-wrap { height: 380px; }
  .breathe-container { grid-template-columns: 1fr; gap: 2rem; }
  .breathe-modes { flex-direction: row; }
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  #custom-cursor, #cursor-trail { display: none; }
  body { cursor: auto; }
  .nav-links { display: none; }
  .nav-menu-btn { display: flex; }
  .mobile-menu { display: block; }
  .hero-title { font-size: clamp(2.5rem, 8vw, 4rem); }
  .hero-stats { gap: 1.5rem; bottom: 1rem; }
  .hero-scroll-hint { display: none; }
  .floating-drone { width: 100px; top: 12%; right: 5%; }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-masonry { grid-template-columns: repeat(2, 1fr); }
  .gallery-item.large { grid-column: span 2; }
  .sounds-grid { grid-template-columns: 1fr 1fr; }
  .testimonials-track { flex-direction: column; }
  .testimonial-card { flex: 0 0 auto; }
  .breathe-modes { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
}

@media (max-width: 480px) {
  .hero-cta { flex-direction: column; }
  .video-grid { grid-template-columns: 1fr; }
  .gallery-masonry { grid-template-columns: 1fr; }
  .gallery-item.large { grid-column: span 1; }
  .sounds-grid { grid-template-columns: 1fr; }
  .about-features { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; justify-content: center; gap: 1rem; }
  .breathe-container { padding: 0; }
}