/* ============================================================
   두두아쿠아 (DODO AQUA) - 메인 스타일시트
   Author: Antigravity AI
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;600;700;800;900&family=Montserrat:wght@400;600;700;900&display=swap');

/* ── CSS 변수 (디자인 토큰) ── */
:root {
  --color-primary: #005f8e;
  --color-primary-dark: #003f5c;
  --color-primary-light: #0082b8;
  --color-accent: #28b07a;
  --color-accent-dark: #1d8a5e;
  --color-accent-light: #3edea0;
  --color-bg: #f0f7fc;
  --color-bg-dark: #0a1628;
  --color-surface: #ffffff;
  --color-surface-glass: rgba(255, 255, 255, 0.08);
  --color-text: #1a2433;
  --color-text-muted: #5a7080;
  --color-text-light: #f0f7fc;
  --color-border: rgba(0, 95, 142, 0.15);
  --color-gold: #e6b84a;

  --font-ko: 'Noto Sans KR', sans-serif;
  --font-en: 'Montserrat', sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --radius-xl: 48px;

  --shadow-sm:  0 2px 8px rgba(0,0,0,0.08);
  --shadow-md:  0 8px 32px rgba(0,0,0,0.12);
  --shadow-lg:  0 20px 60px rgba(0,0,0,0.18);
  --shadow-glow: 0 0 40px rgba(0, 95, 142, 0.3);

  --transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-fast: all 0.2s ease;
}

/* ── Base Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-ko);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── 스크롤바 커스텀 ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg-dark); }
::-webkit-scrollbar-thumb { background: var(--color-primary); border-radius: 3px; }

/* ── 유틸리티 ── */
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.section    { padding: 112px 0; }
.section--dark { background: var(--color-bg-dark); color: var(--color-text-light); }
.section--alt  { background: linear-gradient(160deg, #e8f5f0 0%, #e0f2fb 100%); }

.section-label {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(40, 176, 122, 0.12);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 18px;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: var(--color-primary-dark);
}
.section--dark .section-title { color: #fff; }
.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 620px;
  line-height: 1.9;
}
.section--dark .section-desc { color: rgba(255,255,255,0.65); }
.section-header { margin-bottom: 64px; }
.section-header--center { text-align: center; }
.section-header--center .section-desc { margin: 0 auto; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: var(--transition);
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  box-shadow: 0 4px 20px rgba(0,95,142,0.35);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(0,95,142,0.45); }
.btn-accent {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  color: #fff;
  box-shadow: 0 4px 20px rgba(40,176,122,0.35);
}
.btn-accent:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(40,176,122,0.45); }
.btn-outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}
.btn-outline:hover { background: var(--color-primary); color: #fff; transform: translateY(-2px); }
.btn-ghost {
  border: 2px solid rgba(255,255,255,0.5);
  color: #fff;
}
.btn-ghost:hover { background: rgba(255,255,255,0.15); transform: translateY(-2px); }

/* ── Scroll Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.revealed { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ══════════════════════════════════════════════════════════
   HEADER / NAV
══════════════════════════════════════════════════════════ */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: var(--transition);
}
#header.scrolled {
  background: rgba(10, 22, 40, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex; align-items: center; justify-content: center;
}
.nav-logo-icon svg { width: 22px; height: 22px; }
.nav-logo-text {
  display: flex; flex-direction: column;
}
/* 실제 로고 이미지 */
.nav-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 1px 4px rgba(0,0,0,0.25));
  transition: var(--transition-fast);
}
.nav-logo-img:hover { opacity: 0.9; }
.footer-logo-img {
  height: 42px;
  opacity: 0.85;
}
.nav-logo-name {
  font-family: var(--font-en);
  font-size: 1.15rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: 0.08em;
  line-height: 1;
}
.footer-logo-name {
  color: rgba(255,255,255,0.75);
  font-size: 1rem;
}

.nav-logo-text .logo-main {
  font-family: var(--font-en);
  font-size: 1.05rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
  letter-spacing: 0.05em;
}
.nav-logo-text .logo-sub {
  font-size: 0.65rem;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.08em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  transition: var(--transition-fast);
  position: relative;
  padding-bottom: 2px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--color-accent);
  transition: width 0.3s ease;
  border-radius: 2px;
}
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-cta { font-size: 0.85rem !important; padding: 10px 22px; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: #fff; border-radius: 2px;
  transition: var(--transition);
}

/* ══════════════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════════════ */
#hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-bg-dark);
}
/* ── 동영상 배경 슬라이드쇼 ── */
.hero-video-wrap {
  position: absolute; inset: 0;
  overflow: hidden;
}
.hero-video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.2s ease;
  z-index: 0;
}
.hero-video.active {
  opacity: 0.42;
}
/* 인디케이터 도트 */
.hero-vid-dots {
  position: absolute;
  bottom: 80px; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 10px;
  z-index: 5;
}
.vid-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  border: 2px solid rgba(255,255,255,0.5);
  cursor: pointer;
  transition: var(--transition-fast);
}
.vid-dot.active {
  background: var(--color-accent-light);
  border-color: var(--color-accent-light);
  transform: scale(1.3);
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    175deg,
    rgba(10,22,40,0.7) 0%,
    rgba(0,50,80,0.5) 50%,
    rgba(10,22,40,0.85) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 140px 0 80px;
  max-width: 760px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(40,176,122,0.2);
  border: 1px solid rgba(40,176,122,0.4);
  color: var(--color-accent-light);
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}
.hero-badge .dot {
  width: 7px; height: 7px;
  background: var(--color-accent-light);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 24px;
}
.hero-title em {
  font-style: normal;
  background: linear-gradient(90deg, var(--color-accent-light), #7ef5c0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.7);
  max-width: 560px;
  line-height: 1.9;
  margin-bottom: 40px;
}
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 72px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
/* .hero-stat – 레이아웃은 부모에서 관리 */
.hero-stat .num {
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
}
.hero-stat .num span {
  color: var(--color-accent-light);
  font-size: 1.25rem;
}
.hero-stat .label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
  margin-top: 6px;
  letter-spacing: 0.04em;
}
.hero-scroll {
  position: absolute;
  bottom: 40px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  animation: bounce 2.5s infinite;
}
.hero-scroll .arrow {
  width: 20px; height: 20px;
  border-right: 2px solid rgba(255,255,255,0.3);
  border-bottom: 2px solid rgba(255,255,255,0.3);
  transform: rotate(45deg);
}
@keyframes bounce {
  0%, 60%, 100% { transform: translateX(-50%) translateY(0); }
  30%            { transform: translateX(-50%) translateY(8px); }
}

/* ══════════════════════════════════════════════════════════
   ABOUT
══════════════════════════════════════════════════════════ */
#about { padding: 112px 0; background: var(--color-surface); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-visual {
  position: relative;
}
.about-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
}
.about-img img { width: 100%; height: 100%; object-fit: cover; }
.about-badge-card {
  position: absolute;
  bottom: -24px; right: -24px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  border-radius: var(--radius-md);
  padding: 20px 24px;
  box-shadow: var(--shadow-md);
  min-width: 180px;
}
.about-badge-card .num {
  font-family: var(--font-en);
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1;
}
.about-badge-card .txt {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.8);
  margin-top: 4px;
}
.about-text .section-desc { max-width: 100%; }
.about-info-list {
  margin-top: 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.about-info-item {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  border: 1px solid var(--color-border);
  transition: var(--transition);
}
.about-info-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.about-info-item .item-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.about-info-item .item-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
}

/* ══════════════════════════════════════════════════════════
   TECHNOLOGY
══════════════════════════════════════════════════════════ */
#technology { background: var(--color-bg-dark); }
.tech-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.tech-diagram {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 12px;
}
.tech-diagram img { border-radius: var(--radius-md); }
.tech-points { display: flex; flex-direction: column; gap: 24px; margin-top: 40px; }
.tech-point {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 20px 24px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.tech-point:hover {
  background: rgba(40,176,122,0.08);
  border-color: rgba(40,176,122,0.25);
  transform: translateX(6px);
}
.tech-point-icon {
  width: 48px; height: 48px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
}
.tech-point-body h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}
.tech-point-body p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 56px;
}
.compare-card {
  border-radius: var(--radius-md);
  padding: 32px;
  border: 2px solid transparent;
}
.compare-card--legacy {
  background: rgba(255,255,255,0.03);
  border-color: rgba(255,60,80,0.2);
}
.compare-card--dodo {
  background: rgba(40,176,122,0.06);
  border-color: rgba(40,176,122,0.3);
}
.compare-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  display: flex; align-items: center; gap: 10px;
}
.compare-card--legacy h3 { color: #ff6b6b; }
.compare-card--dodo h3   { color: var(--color-accent-light); }
.compare-list { display: flex; flex-direction: column; gap: 10px; }
.compare-list li {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  display: flex; align-items: center; gap: 10px;
}
.compare-list li::before { content: ''; width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
.compare-card--legacy .compare-list li::before { background: #ff6b6b; }
.compare-card--dodo   .compare-list li::before { background: var(--color-accent-light); }

.patent-strip {
  margin-top: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  padding: 32px;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.08);
}
.patent-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.patent-flag { font-size: 2rem; }
.patent-country { font-size: 0.75rem; font-weight: 600; color: rgba(255,255,255,0.6); }
.patent-status {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  background: rgba(40,176,122,0.15);
  padding: 3px 10px;
  border-radius: 100px;
}
.patent-divider { width: 1px; height: 50px; background: rgba(255,255,255,0.1); }

/* ══════════════════════════════════════════════════════════
   PRODUCTS (수경인삼 & 사업영역)
══════════════════════════════════════════════════════════ */
#products { background: var(--color-bg); }
.ginseng-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
  margin-bottom: 96px;
}
.ginseng-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 1;
  position: relative;
}
.ginseng-img img { width: 100%; height: 100%; object-fit: cover; }
.ginseng-img-badge {
  position: absolute;
  top: 20px; left: 20px;
  background: rgba(10,22,40,0.8);
  backdrop-filter: blur(10px);
  color: var(--color-accent-light);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  border: 1px solid rgba(40,176,122,0.3);
}
.ginseng-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  color: var(--color-text);
  transition: var(--transition-fast);
}
.tag:hover { border-color: var(--color-accent); color: var(--color-accent-dark); }
.tag .tag-icon { font-size: 1rem; }
.harvest-timeline {
  margin-top: 36px;
  display: flex;
  gap: 20px;
}
.harvest-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex: 1;
}
.harvest-step .day-bubble {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 4px 14px rgba(0,95,142,0.3);
}
.harvest-step .step-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.4;
}
.harvest-arrow {
  align-self: center;
  color: var(--color-accent);
  font-size: 1.2rem;
  padding-top: 0;
  margin-top: -24px;
}

.business-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: 40px;
  text-align: center;
}
.business-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}
.biz-card {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  text-align: center;
  cursor: default;
  transition: var(--transition);
}
.biz-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  background: linear-gradient(160deg, #f0f9ff, #e8f7f0);
}
.biz-card .icon {
  font-size: 2rem;
  margin-bottom: 14px;
}
.biz-card h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}
.biz-card p {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ══════════════════════════════════════════════════════════
   VISION (6차 산업)
══════════════════════════════════════════════════════════ */
#vision { background: linear-gradient(135deg, var(--color-primary-dark) 0%, #003344 50%, #0a2818 100%); color: #fff; }
.vision-roadmap {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 56px;
}
.vision-roadmap::before {
  content: '';
  position: absolute;
  top: 34px; left: 10%;
  width: 80%; height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-primary-light));
  z-index: 0;
}
.roadmap-item {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 12px;
}
.roadmap-dot {
  width: 68px; height: 68px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 0 0 6px rgba(40,176,122,0.12), 0 0 24px rgba(40,176,122,0.2);
  margin-bottom: 20px;
  flex-shrink: 0;
}
.roadmap-period {
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-accent-light);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  background: rgba(40,176,122,0.12);
  padding: 4px 12px;
  border-radius: 100px;
  border: 1px solid rgba(40,176,122,0.25);
}
.roadmap-desc {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
}
.roadmap-desc strong { display: block; color: rgba(255,255,255,0.9); font-weight: 700; margin-bottom: 4px; font-size: 0.88rem; }

/* ══════════════════════════════════════════════════════════
   DOWNLOADS
══════════════════════════════════════════════════════════ */
#downloads { background: var(--color-surface); }
.downloads-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.download-card {
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: var(--transition);
}
.download-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.download-card-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
}
.download-card-icon.pdf { background: linear-gradient(135deg, #e84a4a, #ff6b6b); }
/* .download-card-body */
.download-card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.4;
}
.download-card-desc {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}
.download-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}
.download-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(0,95,142,0.1);
  padding: 4px 10px;
  border-radius: 100px;
}
.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 100px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  transition: var(--transition);
}
.download-btn:hover { transform: scale(1.05); box-shadow: 0 4px 16px rgba(0,95,142,0.35); }

/* ══════════════════════════════════════════════════════════
   CONTACT / FOOTER
══════════════════════════════════════════════════════════ */
#contact { background: var(--color-bg-dark); color: #fff; padding: 96px 0 64px; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.contact-info h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 20px;
}
.contact-info h2 em {
  font-style: normal;
  color: var(--color-accent-light);
}
.contact-info > p {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
  margin-bottom: 36px;
}
.contact-items { display: flex; flex-direction: column; gap: 16px; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}
.contact-item:hover { border-color: rgba(40,176,122,0.3); background: rgba(40,176,122,0.06); }
.contact-item-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
/* .contact-item-body */
.contact-item-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.4);
  margin-bottom: 2px;
}
.contact-item-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
}
.contact-form { display: flex; flex-direction: column; gap: 16px; }
/* .form-group */
.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255,255,255,0.06);
  border: 1.5px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: var(--font-ko);
  font-size: 0.9rem;
  transition: var(--transition-fast);
  resize: none;
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  background: rgba(40,176,122,0.05);
  box-shadow: 0 0 0 3px rgba(40,176,122,0.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.3); }
.form-submit { align-self: flex-start; }
.form-note {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.35);
  margin-top: 4px;
}
.footer-bottom {
  padding-top: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-logo {
  display: flex; align-items: center; gap: 10px;
}
.footer-copy { font-size: 0.8rem; color: rgba(255,255,255,0.3); }
.footer-links { display: flex; gap: 24px; }
.footer-links a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
  transition: var(--transition-fast);
}
.footer-links a:hover { color: var(--color-accent-light); }

/* ══════════════════════════════════════════════════════════
   MOBILE RESPONSIVE
══════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .section { padding: 80px 0; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .about-grid, .tech-grid, .ginseng-showcase, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-badge-card { right: 0; bottom: -16px; }
  .compare-grid { grid-template-columns: 1fr; }
  .vision-roadmap { grid-template-columns: 1fr 1fr; gap: 40px; }
  .vision-roadmap::before { display: none; }
  .hero-stats { gap: 28px; flex-wrap: wrap; }
  .hero-cta { flex-direction: column; }
  .hero-title { font-size: 2.2rem; }
}
@media (max-width: 600px) {
  .hero-title { font-size: 1.9rem; }
  .section-title { font-size: 1.8rem; }
  .vision-roadmap { grid-template-columns: 1fr; }  
  .downloads-grid { grid-template-columns: 1fr; }
  .business-grid { grid-template-columns: 1fr 1fr; }
  .harvest-timeline { flex-wrap: wrap; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ══════════════════════════════════════════════════════════
   MOBILE MENU
══════════════════════════════════════════════════════════ */
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(10,22,40,0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.77, 0, 0.175, 1);
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu a {
  font-size: 1.5rem;
  font-weight: 700;
  color: rgba(255,255,255,0.8);
  transition: var(--transition-fast);
}
.mobile-menu a:hover { color: var(--color-accent-light); }
.mobile-menu-close {
  position: absolute;
  top: 24px; right: 24px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition-fast);
}
.mobile-menu-close:hover { background: rgba(255,255,255,0.15); }

/* ══════════════════════════════════════════════════════════
   유튜브 영상 카드
══════════════════════════════════════════════════════════ */
.tech-videos {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.yt-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.yt-card:hover {
  border-color: rgba(40,176,122,0.4);
  box-shadow: 0 8px 32px rgba(40,176,122,0.15);
}
/* 썸네일 래퍼 */
.yt-thumb {
  position: relative;
  cursor: pointer;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #000;
}
.yt-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease, opacity 0.3s ease;
  opacity: 0.88;
}
.yt-thumb:hover img { transform: scale(1.04); opacity: 1; }
/* 재생 버튼 오버레이 */
.yt-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.yt-play-btn span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px; height: 64px;
  background: rgba(255,0,0,0.88);
  border-radius: 50%;
  color: #fff;
  font-size: 1.6rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
  transition: transform 0.25s ease, background 0.25s ease;
}
.yt-thumb:hover .yt-play-btn span {
  transform: scale(1.15);
  background: #ff0000;
}
/* iframe (클릭 후 표시) */
.yt-iframe {
  display: none;
  width: 100%;
  aspect-ratio: 16/9;
  border: none;
}
.yt-iframe.active { display: block; }
/* 캡션 */
.yt-caption {
  padding: 14px 20px;
  font-size: 0.88rem;
  font-weight: 600;
  color: rgba(255,255,255,0.75);
  border-top: 1px solid rgba(255,255,255,0.07);
}

/* ══════════════════════════════════════════════════════════
   HERO – 타깃 슬로건 & 연락처
══════════════════════════════════════════════════════════ */
.hero-target {
  display: inline-block;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-md);
  padding: 12px 22px;
  font-size: 0.95rem;
  color: rgba(255,255,255,0.85);
  line-height: 1.7;
  margin-bottom: 24px;
}
.hero-target strong {
  color: var(--color-accent-light);
  font-size: 1.05rem;
}
.hero-contact {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 32px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-md);
  padding: 14px 22px;
  width: fit-content;
}
.hero-contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  transition: var(--transition-fast);
}
.hero-contact-item:hover { opacity: 0.8; }
.hero-contact-icon { font-size: 1.1rem; }
.hero-contact-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent-light);
  letter-spacing: 0.05em;
}
.hero-contact-num {
  font-family: var(--font-en);
  font-size: 1.05rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.04em;
}
.hero-contact-divider {
  color: rgba(255,255,255,0.25);
  font-size: 1.2rem;
  padding: 0 4px;
}
.reveal-delay-5 { transition-delay: 0.5s; }

/* ── 반응형: 유튜브 ── */
@media (max-width: 768px) {
  .tech-grid { grid-template-columns: 1fr; gap: 40px; }
  .yt-play-btn span { width: 52px; height: 52px; font-size: 1.3rem; }
  .hero-contact { gap: 8px; padding: 12px 16px; }
  .hero-contact-num { font-size: 0.95rem; }
}

/* ══════════════════════════════════════════════════════════
   공지사항 모달 (사칭 주의)
══════════════════════════════════════════════════════════ */
.dodo-modal-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.dodo-modal-overlay.show {
  opacity: 1; visibility: visible;
}
.dodo-modal-dialog {
  background: #fdfaf6;
  border: 4px solid #da8b2d;
  max-width: 640px;
  width: 100%;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
  position: relative;
  border-radius: 4px;
}
.dodo-modal-body {
  padding: 48px 40px;
  display: flex; gap: 40px;
}
.modal-notice-title {
  font-size: 3.4rem;
  font-weight: 900;
  color: #c93b13;
  line-height: 1;
  border-bottom: 2px solid #c93b13;
  padding-bottom: 8px;
  align-self: flex-start;
  white-space: nowrap;
}
.modal-notice-text {
  font-size: 1.05rem;
  color: #111;
  line-height: 1.6;
  font-weight: 500;
  padding-top: 8px;
}
.modal-notice-text p { margin-bottom: 6px; }
.modal-notice-contact {
  font-size: 0.95rem; font-weight: 700; color: #333; margin-top: 24px !important;
}
.dodo-modal-footer {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 24px;
  background: #444;
  color: #fff;
}
.modal-checkbox-wrap {
  display: flex; align-items: center; gap: 8px; cursor: pointer;
  font-size: 0.85rem; font-weight: 500;
}
.btn-modal-close {
  color: #fff; font-weight: 700; font-size: 0.9rem; padding: 6px 16px;
  border: 1px solid rgba(255,255,255,0.3); border-radius: 4px;
  background: transparent;
  transition: var(--transition-fast);
}
.btn-modal-close:hover { background: rgba(255,255,255,0.2); }

@media (max-width: 640px) {
  .dodo-modal-body { flex-direction: column; padding: 32px 24px; gap: 24px; }
  .modal-notice-title { font-size: 2.8rem; align-self: flex-start; border-bottom: none; }
  .modal-notice-text { font-size: 1rem; }
}