/* ================================================
   이래가꼬 프로젝트 — Landing Page Stylesheet
   Color System: Dark Navy + Teal Accent
   Font: Noto Sans KR
   ================================================ */

:root {
  --color-primary: #0a1628;
  --color-accent: #00c896;
  --color-accent-dark: #00a87a;
  --color-accent-glow: rgba(0, 200, 150, 0.18);
  --color-white: #ffffff;
  --color-bg-light: #f4f5f7;
  --color-bg-mid: #eef0f3;
  --color-text-primary: #1a1a2e;
  --color-text-secondary: #666666;
  --color-text-muted: #999999;
  --color-footer-bg: #0d1120;
  --color-timeline-bg: #0a1628;
  --color-border: #e0e2e6;
  --color-card-shadow: rgba(10, 22, 40, 0.1);

  --font-sans: 'Noto Sans KR', sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.18s ease;

  --container-max: 1200px;
  --container-pad: clamp(20px, 5vw, 60px);
  --section-pad: clamp(64px, 8vw, 100px);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  background-color: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

/* ── Container ──────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* ── Keyframe Animations ─────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideRight {
  from { opacity: 0; transform: translateX(-24px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes pulse {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(8px); }
}

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes dotDraw {
  from { stroke-dashoffset: 600; }
  to   { stroke-dashoffset: 0; }
}

/* Hero page-load stagger */
.hero-badge    { animation: fadeUp 0.7s ease both; animation-delay: 0.2s; }
.hero-title    { animation: fadeUp 0.7s ease both; animation-delay: 0.4s; }
.hero-subtitle { animation: fadeUp 0.7s ease both; animation-delay: 0.55s; }
.hero-cta      { animation: fadeUp 0.7s ease both; animation-delay: 0.7s; }
.hero-stats    { animation: fadeUp 0.7s ease both; animation-delay: 0.85s; }
.scroll-arrow  { animation: pulse 1.8s ease-in-out infinite; animation-delay: 1.2s; }

/* Scroll-reveal classes */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.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; }

/* ── Navigation ─────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 68px;
  display: flex;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition);
  background: transparent;
}

#navbar.scrolled {
  background: rgba(10, 22, 40, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.25);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.nav-logo {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--color-white);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-logo span {
  color: var(--color-accent);
}

.nav-logo-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  display: inline-block;
  animation: pulse 2s ease-in-out infinite;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-menu a {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.02em;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-fast);
}

.nav-menu a:hover {
  color: var(--color-accent);
}

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

.nav-cta {
  background: var(--color-accent);
  color: var(--color-primary) !important;
  font-weight: 700 !important;
  padding: 8px 20px;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), transform var(--transition-fast) !important;
}

.nav-cta:hover {
  background: var(--color-accent-dark) !important;
  transform: translateY(-1px);
}

.nav-cta::after {
  display: none !important;
}

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

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

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

/* Mobile nav menu */
.nav-mobile-menu {
  display: none;
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  background: rgba(10, 22, 40, 0.98);
  backdrop-filter: blur(12px);
  z-index: 999;
  padding: 20px var(--container-pad) 28px;
  flex-direction: column;
  gap: 16px;
  border-bottom: 1px solid rgba(0, 200, 150, 0.2);
}

.nav-mobile-menu.open {
  display: flex;
}

.nav-mobile-menu a {
  font-size: 1rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: color var(--transition-fast);
}

.nav-mobile-menu a:hover {
  color: var(--color-accent);
}

/* ── Hero Section ───────────────────────────────── */
#hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-color: #060810;                            /* 동그라미 밖 빈공간 채색 */
  background-image: url('../image/제목을_입력해주세요._10.png');
  background-size: contain;                             /* 이미지 전체 표시, 잘림 없음 */
  background-position: center center;
  background-repeat: no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(6, 10, 20, 0.80) 0%,
    rgba(8, 14, 30, 0.62) 50%,
    rgba(6, 10, 20, 0.74) 100%
  );
  pointer-events: none;
}

/* Geometric pattern overlay */
.hero-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(0, 200, 150, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(0, 150, 200, 0.04) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 120px var(--container-pad) 80px;
  max-width: 860px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 200, 150, 0.15);
  border: 1px solid rgba(0, 200, 150, 0.4);
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

.hero-title {
  font-size: clamp(2.8rem, 6.5vw, 4rem);
  font-weight: 900;
  color: var(--color-white);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.hero-title em {
  font-style: normal;
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 40px;
  letter-spacing: 0.01em;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.925rem;
  letter-spacing: 0.02em;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 200, 150, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.5);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

.btn-outline-teal {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-outline-teal:hover {
  background: var(--color-accent);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-dark:hover {
  background: #1a2d4e;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(10, 22, 40, 0.3);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.85rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.hero-stat {
  text-align: center;
  padding: 16px 32px;
  position: relative;
}

.hero-stat + .hero-stat::before {
  content: '';
  position: absolute;
  left: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: rgba(255,255,255,0.2);
}

.hero-stat-value {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 900;
  color: var(--color-accent);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.hero-stat-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.scroll-arrow-wrap {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.scroll-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.5);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.scroll-arrow svg {
  opacity: 0.6;
}

/* ── Sponsors Section ───────────────────────────── */
#sponsors {
  background: var(--color-bg-light);
  padding: 48px 0;
  border-bottom: 1px solid var(--color-border);
}

.sponsors-label {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 28px;
}

/* 스폰서 행 레이아웃 — 1행(3개) + 2행(1개) */
.sponsors-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  width: 100%;
}
.sponsors-row-top {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 8px;
  margin-bottom: 8px;
}
.sponsors-row-bottom {
  padding-top: 4px;
}

.sponsor-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 32px;
  position: relative;
}

.sponsor-item + .sponsor-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 15%;
  height: 70%;
  width: 1px;
  background: var(--color-border);
}

.sponsor-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text-primary);
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.sponsor-tag {
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

.sponsor-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

/* 스폰서 실제 로고 이미지 */
.sponsor-logo-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 160px;
  height: 64px;
  margin-bottom: 10px;
  padding: 8px 12px;
  background: var(--color-white);
  border-radius: 10px;
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 8px rgba(10,22,40,0.06);
}
.sponsor-logo-img {
  max-width: 100%;
  max-height: 44px;
  width: auto;
  height: auto;
  object-fit: contain;
}

/* 참여구조 인포그래픽 */
.sponsors-diagram {
  margin-top: 36px;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}
.sponsors-diagram-img {
  max-width: 680px;
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  display: block;
  margin: 0 auto;
}

/* ── Section Common ─────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 900;
  color: var(--color-text-primary);
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 12px;
}

.section-title-light {
  color: var(--color-white);
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

.section-subtitle-light {
  color: rgba(255,255,255,0.6);
}

/* 소개 섹션 — 기간·대상 정보 리스트 */
.about-info-list {
  list-style: none;
  margin: 20px auto 0;
  max-width: 640px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.about-info-item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 0.92rem;
  line-height: 1.6;
}
.about-info-label {
  flex-shrink: 0;
  font-weight: 700;
  color: var(--color-text-primary);
  white-space: nowrap;
}
.about-info-label::after {
  content: ':';
}
.about-info-value {
  color: var(--color-text-secondary);
}
.about-info-red {
  color: #e51c23;
  font-weight: 600;
  font-style: normal;
}

/* ── About Section ──────────────────────────────── */
#about {
  padding: var(--section-pad) 0;
  background: var(--color-white);
}

.about-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* 4장 → 2×2 레이아웃 */
  gap: 28px;
  margin-bottom: 60px;
}

.feature-card {
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px var(--color-card-shadow);
  border-color: rgba(0, 200, 150, 0.25);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
  display: block;
}

.feature-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.feature-desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* 기대효과 bullet list */
.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
}
.feature-list li {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  padding-left: 16px;
  position: relative;
}
.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

.stats-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--color-primary);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.stats-bar-item {
  text-align: center;
  padding: 32px 24px;
  position: relative;
}

.stats-bar-item + .stats-bar-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: rgba(255,255,255,0.12);
}

.stats-bar-value {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 900;
  color: var(--color-accent);
  letter-spacing: -0.02em;
  display: block;
}

.stats-bar-label {
  font-size: 0.78rem;
  font-weight: 500;
  color: rgba(255,255,255,0.55);
  margin-top: 6px;
  letter-spacing: 0.04em;
}

/* ── Tracks Section ─────────────────────────────── */
#tracks {
  padding: var(--section-pad) 0;
  background: var(--color-bg-light);
}

.tracks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.track-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.track-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 0;
  background: linear-gradient(to top, rgba(0,200,150,0.05), transparent);
  transition: height var(--transition);
}

.track-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 28px 64px rgba(10, 22, 40, 0.12);
  border-color: rgba(0, 200, 150, 0.3);
}

.track-card:hover::after {
  height: 100%;
}

.track-card.featured {
  background: var(--color-primary);
  border-color: var(--color-accent);
}

.track-card.featured .track-title,
.track-card.featured .track-target-label,
.track-card.featured .benefit-item,
.track-card.featured .activity-item {
  color: var(--color-white);
}

.track-card.featured .track-meta-label {
  color: rgba(255,255,255,0.55);
}

.track-card.featured .section-divider {
  border-color: rgba(255,255,255,0.12);
}

.track-card.featured .track-desc {
  color: rgba(255,255,255,0.7);
}

.track-icon-wrap {
  width: 64px;
  height: 64px;
  background: var(--color-accent-glow);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 20px;
  border: 1px solid rgba(0, 200, 150, 0.2);
}

.track-card.featured .track-icon-wrap {
  background: rgba(0,200,150,0.15);
  border-color: rgba(0,200,150,0.35);
}

.track-title {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--color-text-primary);
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.track-sub {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.track-desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
  line-height: 1.65;
}

.section-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 20px 0;
}

.track-meta-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}

.track-target-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 16px;
  line-height: 1.5;
}

.activity-list, .benefit-list {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 20px;
}

.activity-item, .benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.845rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.activity-item::before {
  content: '→';
  color: var(--color-accent);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.1em;
}

.benefit-item::before {
  content: '✓';
  color: var(--color-accent);
  font-weight: 700;
  flex-shrink: 0;
}

.track-card .btn {
  margin-top: auto;
  justify-content: center;
  width: 100%;
}

/* ── Timeline Section ───────────────────────────── */
#timeline {
  padding: var(--section-pad) 0;
  background: var(--color-timeline-bg);
  position: relative;
  overflow: hidden;
}

#timeline::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 10% 50%, rgba(0, 200, 150, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 90% 50%, rgba(0, 100, 200, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.timeline-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 16px;
}

.timeline-line {
  position: absolute;
  top: 44px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: rgba(255,255,255,0.12);
  z-index: 0;
}

.timeline-line-fill {
  position: absolute;
  top: 44px;
  left: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), rgba(0,200,150,0.3));
  width: 0;
  z-index: 1;
  transition: width 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.timeline-line-fill.animate {
  width: 75%;
}

.timeline-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 16px;
  position: relative;
  z-index: 2;
}

.timeline-node {
  width: 56px;
  height: 56px;
  background: rgba(0,200,150,0.1);
  border: 2px solid rgba(0,200,150,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  position: relative;
  transition: all var(--transition);
}

.timeline-step.active .timeline-node {
  background: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 8px rgba(0,200,150,0.12);
}

.timeline-month {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.timeline-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.timeline-desc {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
}

.timeline-desc-sub {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
  margin-top: 4px;
}

/* ── Timeline Photo Gallery ─────────────────────── */
.timeline-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}
.timeline-gallery-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.tg-img-wrap {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.08);
}
.tg-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
  display: block;
}
.tg-img-wrap:hover img {
  transform: scale(1.04);
}
.tg-caption {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.5;
  text-align: center;
}
.tg-month {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-primary);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 100px;
  margin-right: 4px;
  letter-spacing: 0.03em;
}
@media (max-width: 767px) {
  .timeline-gallery {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
}

/* ── Apply Section ──────────────────────────────── */
#apply {
  padding: var(--section-pad) 0;
  background: var(--color-primary);
  position: relative;
  overflow: hidden;
}

#apply::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 0% 0%, rgba(0,200,150,0.08) 0%, transparent 50%),
    radial-gradient(circle at 100% 100%, rgba(0,100,200,0.06) 0%, transparent 50%);
  pointer-events: none;
}

.apply-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 16px;
}

.apply-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.apply-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent);
}

.apply-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(0, 200, 150, 0.25);
  transform: translateY(-4px);
}

.apply-card-icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
}

.apply-card-title {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--color-white);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.apply-card-sub {
  font-size: 0.82rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.apply-card-desc {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  margin-bottom: 24px;
}

.apply-card .btn {
  width: 100%;
  justify-content: center;
}

.apply-info {
  margin-top: 52px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 28px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.apply-info-item {
  text-align: center;
}

.apply-info-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 8px;
}

.apply-info-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.4;
}

.apply-info-value.accent {
  color: var(--color-accent);
  font-size: 1.1rem;
}

/* ── Footer ─────────────────────────────────────── */
#footer {
  background: var(--color-footer-bg);
  padding: 52px 0 28px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  margin-bottom: 24px;
}

.footer-org {
  font-size: 1rem;
  font-weight: 900;
  color: var(--color-white);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.footer-contacts {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.845rem;
  color: rgba(255,255,255,0.5);
}

.footer-contact-item strong {
  color: rgba(255,255,255,0.75);
}

.footer-links-section {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.footer-links-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
}

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.footer-links a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-copyright {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
  letter-spacing: 0.02em;
}

/* ── Floating Buttons ───────────────────────────── */
#floating-btns {
  position: fixed;
  right: 24px;
  bottom: 80px;
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 10px;
  opacity: 0;
  transform: translateX(60px);
  transition: all 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  pointer-events: none;
}

#floating-btns.visible {
  opacity: 1;
  transform: none;
  pointer-events: all;
}

.float-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  min-width: 110px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
}

.float-btn-primary {
  background: var(--color-accent);
  color: var(--color-primary);
}

.float-btn-primary:hover {
  background: var(--color-accent-dark);
  transform: translateX(-3px);
  box-shadow: 0 6px 20px rgba(0,200,150,0.4);
}

.float-btn-dark {
  background: var(--color-primary);
  color: var(--color-white);
  border: 1px solid rgba(255,255,255,0.15);
}

.float-btn-dark:hover {
  background: #1a2d4e;
  transform: translateX(-3px);
  box-shadow: 0 6px 20px rgba(10,22,40,0.5);
}

/* ── Utilities ──────────────────────────────────── */
.text-accent { color: var(--color-accent); }
.text-white  { color: var(--color-white); }
.text-center { text-align: center; }

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 1199px) {
  .about-features {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-bar {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1023px) {
  .tracks-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-features {
    grid-template-columns: repeat(2, 1fr);
  }
  .apply-info {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .apply-info-item {
    text-align: left;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
  }
  .apply-info-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }
}

@media (max-width: 767px) {
  :root {
    --section-pad: 52px;
  }

  .nav-menu {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .hero-content {
    padding-top: 100px;
  }

  .hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: rgba(255,255,255,0.04);
  }

  .hero-stat {
    padding: 16px 12px;
  }

  .hero-stat + .hero-stat::before {
    top: 0;
    height: 100%;
  }

  .hero-stat:nth-child(3)::before,
  .hero-stat:nth-child(4)::before {
    background: rgba(255,255,255,0.08);
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  .stats-bar {
    grid-template-columns: repeat(3, 1fr);
    border-radius: var(--radius-md);
  }

  .stats-bar-item {
    padding: 20px 8px;
  }

  .stats-bar-item + .stats-bar-item::before {
    display: none;
  }

  .stats-bar-item:nth-child(2n+1)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 20%;
    height: 60%;
    width: 1px;
    background: rgba(255,255,255,0.12);
  }

  .stats-bar-item:nth-child(1),
  .stats-bar-item:nth-child(2) {
    border-bottom: 1px solid rgba(255,255,255,0.12);
  }

  .tracks-grid {
    grid-template-columns: 1fr;
  }

  .timeline-track {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .timeline-line,
  .timeline-line-fill {
    display: none;
  }

  .timeline-step {
    flex-direction: row;
    text-align: left;
    align-items: flex-start;
    padding: 0 0 36px 0;
    position: relative;
  }

  .timeline-step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 27px;
    top: 56px;
    bottom: 0;
    width: 2px;
    background: rgba(255,255,255,0.1);
  }

  .timeline-node {
    flex-shrink: 0;
    margin-bottom: 0;
    margin-right: 20px;
  }

  .timeline-step-content {
    padding-top: 8px;
  }

  .apply-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-links-section {
    align-items: flex-start;
  }

  .footer-links {
    justify-content: flex-start;
  }

  #floating-btns {
    right: auto;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    bottom: 24px;
    flex-direction: row;
    width: calc(100% - 32px);
    max-width: 380px;
  }

  #floating-btns.visible {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }

  .float-btn {
    flex: 1;
    min-width: 0;
    justify-content: center;
  }

  .sponsors-row {
    gap: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }
  .sponsors-row-top {
    border-bottom: 1px solid var(--color-border);
  }

  .sponsor-item + .sponsor-item::before {
    display: none;
  }

  .sponsor-item {
    padding: 14px 18px;
    border: 1px solid var(--color-border);
    margin: -0.5px;
  }

  .apply-info {
    grid-template-columns: 1fr;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta .btn {
    justify-content: center;
  }
}

@media (max-width: 479px) {
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ── Projects Section ───────────────────────────── */
#projects {
  padding: var(--section-pad) 0;
  background: var(--color-bg-light);
}

/* ── Awards 2025 Section ────────────────────────── */
#awards2025 {
  padding: var(--section-pad) 0;
  background: var(--color-white);
}

/* 수상 배너 */
.awards-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: var(--color-primary);
  border-radius: var(--radius-xl);
  padding: 20px 40px;
  margin-bottom: 48px;
}
.awards-banner-title {
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--color-white);
  letter-spacing: -0.02em;
}
.awards-banner-sub {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 12px;
  background: rgba(0,200,150,0.12);
  border: 1px solid rgba(0,200,150,0.3);
  border-radius: 100px;
}

/* 상위 수상 카드 3개 그리드 */
.awards-top {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.award-card {
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.award-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px var(--color-card-shadow);
}

/* 대상 카드 — 골드 강조 */
.award-grand {
  background: linear-gradient(145deg, #fff9e6 0%, #fff3c4 100%);
  border-color: #f0c040;
}
.award-grand::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, #f5c518, #e6a800);
}

/* 최우수상 카드 — 연한 골드 */
.award-gold {
  background: linear-gradient(145deg, #fffef8 0%, #fef8d6 100%);
  border-color: #e8d46a;
}
.award-gold::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, #e8c840, #c9a010);
}

.award-rank-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  letter-spacing: 0.04em;
}
.award-grand .award-rank-badge { color: #b8860b; }
.award-gold .award-rank-badge  { color: #a07808; }

.award-rank-5xl { font-size: 2.8rem; line-height: 1.2; }
.award-rank-4xl { font-size: 2rem; line-height: 1.2; }

.award-institution {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  margin: 0.3rem 0 0.6rem;
  letter-spacing: 0.03em;
}
.award-grand .award-institution { color: #c9920a; }
.award-gold .award-institution { color: #b89010; }

.award-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-text-primary);
  line-height: 1.5;
  letter-spacing: -0.01em;
}

.award-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: auto;
}
.award-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
}
.award-meta-label {
  font-weight: 700;
  color: var(--color-text-muted);
  min-width: 28px;
}
.award-meta-value {
  color: var(--color-text-primary);
  font-weight: 600;
}

/* 접기/펼치기 버튼 */
.awards-collapse {
  margin-top: 12px;
}
.awards-collapse-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 16px 28px;
  background: var(--color-bg-light);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: -0.01em;
}
.awards-collapse-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}
.awards-collapse-btn[aria-expanded="true"] {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}
.awards-collapse-icon {
  font-size: 0.75rem;
  transition: transform 0.3s ease;
}
.awards-collapse-btn[aria-expanded="true"] .awards-collapse-icon {
  transform: rotate(180deg);
}

.awards-collapse-content {
  border: 1.5px solid var(--color-border);
  border-top: none;
  border-bottom-left-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
  overflow: hidden;
}
.awards-collapse-content[hidden] {
  display: none;
}
.awards-full-inner {
  padding: 32px 36px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.award-group {}
.award-group-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-text-primary);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.award-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.award-list li {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
  padding-left: 18px;
  position: relative;
}
.award-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-border);
}
.award-team {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent-dark);
  background: rgba(0,200,150,0.1);
  border: 1px solid rgba(0,200,150,0.2);
  padding: 1px 8px;
  border-radius: 100px;
  margin-left: 6px;
  vertical-align: middle;
}

/* 반응형 */
@media (max-width: 1023px) {
  .awards-top { grid-template-columns: 1fr; }
}
@media (max-width: 767px) {
  .awards-banner { flex-direction: column; gap: 8px; text-align: center; }
  .awards-full-inner { padding: 20px 20px; }
}

.region-tabs {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 40px;
}

.region-tab {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  padding: 12px 36px;
  border-radius: 100px;
  border: 2px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.region-tab-sub {
  font-size: 0.68rem;
  font-weight: 500;
  opacity: 0.7;
  letter-spacing: 0.02em;
  line-height: 1;
}

.region-tab.active .region-tab-sub {
  opacity: 0.85;
}

.region-tab:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.region-tab.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.region-panel {
  display: none;
}

.region-panel.active {
  display: block;
}

.project-slider {
  display: flex;
  align-items: center;
  gap: 16px;
}

.project-slides-wrap {
  flex: 1;
  overflow: hidden;
}

.project-slides {
  display: flex;
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.project-card {
  min-width: 100%;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 40px 44px;
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 20px var(--color-card-shadow);
  position: relative;
  overflow: hidden;
}

/* ── Project Card Pending State ─────────────────────── */
.project-card--pending {
  background: #efefef !important;
}
.project-card--pending > *:not(.project-pending-overlay) {
  opacity: 0.06;
  filter: blur(6px);
  pointer-events: none;
  user-select: none;
}
.project-pending-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  z-index: 3;
  pointer-events: none;
  padding: 20px;
}
.project-pending-overlay .pending-icon {
  font-size: 2.6rem;
  line-height: 1;
}
.project-pending-overlay .pending-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: #333;
  text-align: center;
  line-height: 1.3;
  letter-spacing: -0.02em;
}
.project-pending-overlay .pending-sub {
  font-size: 1.1rem;
  font-weight: 500;
  color: #666;
  text-align: center;
}

.project-stamp {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(0deg);
  width: 62%;
  max-width: 320px;
  opacity: 0.82;
  pointer-events: none;
  user-select: none;
  z-index: 2;
}

.project-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.project-region-tag {
  display: inline-block;
  background: var(--color-accent-glow);
  color: var(--color-accent-dark);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: 100px;
  border: 1px solid rgba(0,200,150,0.25);
}

.project-number {
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-border);
  letter-spacing: -0.04em;
}

.project-title {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--color-text-primary);
  margin-bottom: 28px;
  letter-spacing: -0.02em;
  line-height: 1.4;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--color-accent);
}

.project-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.project-detail-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.detail-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  background: var(--color-accent-glow);
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  width: fit-content;
}

.detail-content {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.slider-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-white);
  border: 2px solid var(--color-border);
  color: var(--color-text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
  font-family: inherit;
}

.slider-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.slider-btn:disabled {
  opacity: 0.3;
  cursor: default;
}

.slider-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}

.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.slider-dot.active {
  background: var(--color-accent);
  width: 24px;
  border-radius: 4px;
}

@media (max-width: 767px) {
  .project-card {
    padding: 28px 24px;
  }
  .project-details {
    grid-template-columns: 1fr;
  }
  .region-tab {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
}

/* ── Modal ───────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10,22,40,0.85);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal-box {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 40px;
  width: 100%;
  max-width: 520px;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.modal-overlay.open .modal-box {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-bg-light);
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-border);
  color: var(--color-text-primary);
}

.modal-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 28px;
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 4px;
}

.modal-tab {
  flex: 1;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 10px 6px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
}

.modal-tab.active {
  background: var(--color-white);
  color: var(--color-text-primary);
  box-shadow: 0 2px 8px rgba(10,22,40,0.1);
}

.apply-form {
  display: none;
}

.apply-form.active {
  display: block;
}

.modal-form-title {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--color-text-primary);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.modal-form-sub {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
  line-height: 1.5;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: 0.01em;
}

.required {
  color: #e51c23;
}

.form-input {
  font-family: var(--font-sans);
  font-size: 0.925rem;
  padding: 12px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  background: var(--color-white);
  transition: border-color var(--transition-fast);
  width: 100%;
  outline: none;
}

.form-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0,200,150,0.1);
}

.form-input.error {
  border-color: #e51c23;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23666' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

.form-message {
  font-size: 0.875rem;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  display: none;
  line-height: 1.5;
}

.form-message.success {
  display: block;
  background: rgba(0,200,150,0.1);
  border: 1px solid rgba(0,200,150,0.3);
  color: var(--color-accent-dark);
}

.form-message.error {
  display: block;
  background: rgba(229,28,35,0.08);
  border: 1px solid rgba(229,28,35,0.25);
  color: #c0392b;
}

.form-submit-btn {
  width: 100%;
  justify-content: center;
  padding: 14px;
  font-size: 1rem;
}

.form-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}