/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #6C63FF;
  --primary-dark: #5A52E0;
  --accent: #FF6B9D;
  --gold: #FFD166;
  --cyan: #06D6A0;
  --bg: #0A0B14;
  --bg2: #0F1120;
  --bg3: #141628;
  --card: #181A2E;
  --card2: #1E2040;
  --border: rgba(108,99,255,0.2);
  --text: #E8EAF6;
  --text-muted: #8B8FA8;
  --gradient: linear-gradient(135deg, #6C63FF 0%, #FF6B9D 100%);
  --gradient2: linear-gradient(135deg, #06D6A0 0%, #6C63FF 100%);
  --shadow: 0 8px 32px rgba(108,99,255,0.2);
  --radius: 16px;
  --radius-sm: 10px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans KR', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.7;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* ===== TYPOGRAPHY ===== */
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(108,99,255,0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(108,99,255,0.5);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(108,99,255,0.1);
}

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

/* ===== CONTAINER ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== SECTIONS ===== */
.section {
  padding: 100px 0;
}

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(108,99,255,0.12);
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 20px;
  border: 1px solid var(--border);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 20px;
  text-align: center;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
  line-height: 1.8;
}

/* ===== NAVBAR ===== */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all 0.4s;
  padding: 20px 0;
}

#navbar.scrolled {
  background: rgba(10,11,20,0.95);
  backdrop-filter: blur(20px);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 800;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.3s;
}
.nav-links a:hover { color: var(--text); }

.nav-cta {
  background: var(--gradient) !important;
  color: #fff !important;
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 700 !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  background: rgba(15,17,32,0.98);
  backdrop-filter: blur(20px);
  padding: 20px 24px;
  border-top: 1px solid var(--border);
}
.mobile-menu a {
  padding: 14px 0;
  font-size: 1rem;
  font-weight: 500;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  color: var(--text-muted);
}
.mobile-menu.open { display: flex; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 24px 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
}
.hero-orb--1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #6C63FF 0%, transparent 70%);
  top: -200px; left: -100px;
  animation: float1 8s ease-in-out infinite;
}
.hero-orb--2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #FF6B9D 0%, transparent 70%);
  bottom: -150px; right: -100px;
  animation: float2 10s ease-in-out infinite;
}
.hero-orb--3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, #06D6A0 0%, transparent 70%);
  top: 50%; left: 60%;
  animation: float3 7s ease-in-out infinite;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(108,99,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108,99,255,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
}

@keyframes float1 { 0%,100%{transform:translate(0,0);} 50%{transform:translate(30px,20px);} }
@keyframes float2 { 0%,100%{transform:translate(0,0);} 50%{transform:translate(-20px,30px);} }
@keyframes float3 { 0%,100%{transform:translate(0,0);} 50%{transform:translate(15px,-20px);} }

.hero-content {
  text-align: center;
  max-width: 860px;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--primary);
  background: rgba(108,99,255,0.12);
  border: 1px solid var(--border);
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 28px;
}

.badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 10px var(--primary);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(108,99,255,0.6); }
  50% { box-shadow: 0 0 0 6px rgba(108,99,255,0); }
}

.hero-title {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 40px;
}
.hero-desc strong { color: var(--text); }

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

.hero-metrics {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px 40px;
  backdrop-filter: blur(10px);
  flex-wrap: wrap;
}

.metric {
  text-align: center;
  padding: 0 32px;
}
.metric-num {
  font-size: 2.2rem;
  font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.metric-unit {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
}
.metric p {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 4px;
  font-weight: 500;
}
.metric-divider {
  width: 1px;
  height: 50px;
  background: var(--border);
  flex-shrink: 0;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--primary), transparent);
  animation: scrollAnim 2s ease-in-out infinite;
}
@keyframes scrollAnim {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===== ANIMATE IN ===== */
.animate-in {
  opacity: 0;
  transform: translateY(30px);
  animation: animIn 0.8s ease forwards;
  animation-delay: var(--delay, 0s);
}
@keyframes animIn {
  to { opacity:1; transform: translateY(0); }
}

/* ===== REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== ABOUT ===== */
.about { background: var(--bg); }
.about .section-title { text-align: center; }

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-top: 16px;
}

.about-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.about-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient);
  transform: scaleX(0);
  transition: transform 0.3s;
}
.about-card:hover::before { transform: scaleX(1); }
.about-card:hover {
  transform: translateY(-6px);
  border-color: rgba(108,99,255,0.4);
  box-shadow: var(--shadow);
}
.about-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}
.about-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.about-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ===== VALUE ===== */
.value-section { background: var(--bg2); }

.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.value-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
}
.value-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(108,99,255,0.4);
}
.value-card--featured {
  background: linear-gradient(135deg, rgba(108,99,255,0.15) 0%, rgba(255,107,157,0.1) 100%);
  border-color: rgba(108,99,255,0.4);
  box-shadow: 0 0 40px rgba(108,99,255,0.15);
}

.featured-badge {
  position: absolute;
  top: 20px; right: 20px;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  background: var(--gradient);
  color: white;
  padding: 4px 12px;
  border-radius: 50px;
}

.value-number {
  font-size: 3.5rem;
  font-weight: 900;
  color: rgba(108,99,255,0.15);
  line-height: 1;
  margin-bottom: 16px;
}
.value-icon { font-size: 2.2rem; margin-bottom: 16px; }
.value-card h3 {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 14px;
}
.value-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}
.value-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
  background: rgba(108,99,255,0.12);
  border: 1px solid var(--border);
  padding: 5px 14px;
  border-radius: 50px;
}

/* ===== PARTNERS ===== */
.partners-section { background: var(--bg); }

.tabs-wrapper { overflow: hidden; }

.tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  margin-bottom: 40px;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }

.tab {
  flex-shrink: 0;
  padding: 10px 22px;
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  transition: all 0.3s;
  font-family: inherit;
  white-space: nowrap;
}
.tab:hover {
  border-color: var(--primary);
  color: var(--text);
}
.tab.active {
  background: var(--gradient);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(108,99,255,0.35);
}

.tab-contents { position: relative; }

.tab-content {
  display: none;
  animation: fadeTab 0.4s ease;
}
.tab-content.active { display: block; }

@keyframes fadeTab {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.tab-inner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 48px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
  align-items: start;
}

.tab-icon-wrap {
  font-size: 4rem;
  width: 96px;
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(108,99,255,0.1);
  border-radius: 20px;
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.tab-info h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 28px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.info-item {
  background: var(--bg2);
  border-radius: var(--radius-sm);
  padding: 20px;
  border: 1px solid rgba(255,255,255,0.05);
}
.info-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 50px;
  margin-bottom: 10px;
}
.info-label.model { background: rgba(108,99,255,0.2); color: #a89ef5; }
.info-label.benefit { background: rgba(6,214,160,0.2); color: #06D6A0; }
.info-label.role { background: rgba(255,107,157,0.2); color: #FF6B9D; }

.info-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== STATS ===== */
.stats-section { background: var(--bg2); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.stat-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient2);
  transform: scaleX(0);
  transition: transform 0.3s;
}
.stat-card:hover::after { transform: scaleX(1); }
.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(6,214,160,0.3);
}

.stat-card--main {
  background: linear-gradient(135deg, rgba(108,99,255,0.15) 0%, rgba(6,214,160,0.1) 100%);
  border-color: rgba(108,99,255,0.35);
}

.stat-icon { font-size: 2.2rem; margin-bottom: 16px; }

.stat-num-wrap {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 10px;
}
.stat-num {
  font-size: 2.4rem;
  font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-suffix {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
}
.stat-label {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.stat-desc {
  font-size: 0.83rem;
  color: var(--text-muted);
}

/* ===== ECOSYSTEM ===== */
.ecosystem-section { background: var(--bg3); }

.eco-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.eco-node--center {
  position: relative;
  width: 140px;
  height: 140px;
  flex-shrink: 0;
}
.eco-center-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--primary);
  animation: ringPulse 2.5s ease-in-out infinite;
}
.eco-center-ring::before {
  content: '';
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  border: 1px solid rgba(108,99,255,0.4);
}
@keyframes ringPulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(108,99,255,0.4); }
  50% { box-shadow: 0 0 0 20px rgba(108,99,255,0); }
}
.eco-center-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(108,99,255,0.3), rgba(255,107,157,0.2));
  border-radius: 50%;
  font-size: 1.8rem;
  gap: 4px;
}
.eco-center-content p {
  font-size: 0.72rem;
  font-weight: 700;
  text-align: center;
  color: var(--primary);
  line-height: 1.3;
}

.eco-items {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.eco-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-size: 0.88rem;
  font-weight: 600;
  transition: all 0.3s;
  cursor: default;
  animation: ecoFadeIn 0.5s ease forwards;
  animation-delay: calc(var(--i) * 0.05s + 0.3s);
  opacity: 0;
}
@keyframes ecoFadeIn {
  to { opacity: 1; }
}
.eco-item:hover {
  border-color: var(--primary);
  background: rgba(108,99,255,0.1);
  transform: scale(1.03);
}
.eco-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gradient);
  flex-shrink: 0;
}

.eco-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}
.eco-step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  flex: 1;
  min-width: 180px;
  max-width: 220px;
  transition: all 0.3s;
}
.eco-step:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}
.eco-step-num {
  font-size: 2rem;
  font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}
.eco-step h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.eco-step p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.eco-arrow {
  font-size: 1.5rem;
  color: var(--primary);
  flex-shrink: 0;
  font-weight: 300;
}

/* ===== CONTACT ===== */
.contact-section { background: var(--bg2); }

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 80px;
  align-items: start;
}

.contact-left .section-title { font-size: clamp(1.8rem, 3.5vw, 2.5rem); }
.contact-left p {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 32px;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.92rem;
  color: var(--text-muted);
}
.contact-list span { font-size: 1.1rem; }

.contact-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
}
.form-group label span { color: var(--accent); }

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg2);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.92rem;
  color: var(--text);
  font-family: inherit;
  transition: border-color 0.3s;
  outline: none;
  resize: vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(139,143,168,0.5);
}
.form-group select option { background: var(--card); }

.form-success {
  display: none;
  background: var(--card);
  border: 1px solid rgba(6,214,160,0.4);
  border-radius: var(--radius);
  padding: 60px 40px;
  text-align: center;
}
.form-success.show { display: block; }
.success-icon { font-size: 3rem; margin-bottom: 20px; }
.form-success h3 {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 12px;
}
.form-success p { color: var(--text-muted); }

/* ===== FOOTER ===== */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 60px;
  flex-wrap: wrap;
  padding-bottom: 40px;
}

.footer-brand .nav-logo {
  margin-bottom: 16px;
  display: inline-flex;
}
.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.footer-links {
  display: flex;
  gap: 60px;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.footer-col a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color 0.3s;
}
.footer-col a:hover { color: var(--primary); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }

  .hero-metrics {
    padding: 20px 16px;
    gap: 0;
  }
  .metric { padding: 0 16px; }
  .metric-num { font-size: 1.6rem; }

  .tab-inner {
    grid-template-columns: 1fr;
    padding: 32px 24px;
    gap: 24px;
  }
  .tab-icon-wrap { width: 70px; height: 70px; font-size: 2.5rem; }

  .contact-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .eco-items { grid-template-columns: repeat(2, 1fr); }
  .eco-arrow { display: none; }
  .eco-steps { gap: 12px; }
  .eco-step { max-width: 100%; }
}

@media (max-width: 600px) {
  .section { padding: 70px 0; }

  .hero-title { font-size: 2.6rem; }

  .hero-metrics {
    flex-direction: column;
    gap: 20px;
    padding: 24px;
  }
  .metric-divider { width: 80px; height: 1px; }

  .form-row { grid-template-columns: 1fr; }

  .contact-form { padding: 24px 20px; }

  .footer-inner { flex-direction: column; gap: 32px; }
  .footer-links { gap: 32px; }

  .eco-items { grid-template-columns: repeat(2, 1fr); }
  .eco-flow { gap: 32px; }
}

.br-desktop { display: block; }
@media (max-width: 600px) {
  .br-desktop { display: none; }
}