/* ============================================================
   BUILDCORE — styles.css
   ============================================================ */

:root {
  --navy:        #0F2E5C;
  --navy-dark:   #081D3C;
  --navy-light:  #1A4080;
  --green:       #2E8B57;
  --green-light: #EAF6EF;
  --green-mid:   #D1F0E0;
  --accent:      #3B82F6;
  --gray-bg:     #F8FAFC;
  --gray-line:   #E5E9F0;
  --gray-sub:    #64748B;
  --gray-text:   #334155;
  --dark:        #0F172A;
  --white:       #FFFFFF;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:   0 4px 16px rgba(15,46,92,.1);
  --shadow-lg:   0 12px 40px rgba(15,46,92,.15);
  --radius:      16px;
  --radius-sm:   10px;
  --radius-lg:   24px;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Pretendard', 'Noto Sans KR', 'Apple SD Gothic Neo', Arial, sans-serif;
  color: var(--gray-text);
  line-height: 1.6;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img, svg { display: block; }
button { cursor: pointer; font-family: inherit; }

/* ── Container ─────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 28px; }

/* ── Section ────────────────────────────────────────────────── */
.section { padding: 96px 0; }

.sec-header { text-align: center; margin-bottom: 56px; }
.sec-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--navy);
  background: rgba(15,46,92,.08);
  padding: 5px 14px;
  border-radius: 99px;
  margin-bottom: 16px;
}
.green-label { color: var(--green); background: var(--green-light); }
.sec-header h2 { font-size: 38px; color: var(--navy); font-weight: 800; line-height: 1.22; }
.sec-desc { margin-top: 16px; font-size: 17px; color: var(--gray-sub); }

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 22px;
  min-height: 44px;
  border-radius: var(--radius-sm);
  font-weight: 800;
  font-size: 15px;
  border: 2px solid transparent;
  transition: all .2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
  box-shadow: 0 4px 14px rgba(15,46,92,.3);
}
.btn-primary:hover { background: var(--navy-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(15,46,92,.4); }
.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline:hover { background: var(--navy); color: var(--white); transform: translateY(-1px); }
.btn-ghost {
  background: rgba(255,255,255,.15);
  color: var(--white);
  border-color: rgba(255,255,255,.5);
  backdrop-filter: blur(4px);
}
.btn-ghost:hover { background: rgba(255,255,255,.25); }
.btn-green {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
  box-shadow: 0 4px 14px rgba(46,139,87,.3);
}
.btn-green:hover { background: #257348; transform: translateY(-1px); }
.btn-lg { min-height: 54px; padding: 0 30px; font-size: 16px; }
.btn-full { width: 100%; justify-content: center; }

/* ── Scroll animations ──────────────────────────────────────── */
.animate-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}
.animate-up.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .12s; }
.delay-2 { transition-delay: .24s; }
.delay-3 { transition-delay: .36s; }

/* ══════════════════════════════════════════════════════════════
   HEADER
═══════════════════════════════════════════════════════════════ */
.header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-line);
  transition: box-shadow .3s;
}
.header.scrolled { box-shadow: 0 4px 20px rgba(15,46,92,.1); }
.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 900;
  color: var(--navy);
  letter-spacing: -.5px;
}
.logo-img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  object-fit: contain;
}
.nav { display: flex; gap: 32px; }
.nav-link {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-text);
  transition: color .2s;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform .2s;
}
.nav-link:hover { color: var(--navy); }
.nav-link:hover::after { transform: scaleX(1); }
.header-actions { display: flex; gap: 10px; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--navy);
  border-radius: 2px;
  transition: all .3s;
}
.hamburger.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* MOBILE NAV */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 190;
  backdrop-filter: blur(4px);
}
.mobile-overlay.open { display: block; }
.mobile-nav {
  position: absolute;
  top: 0; right: 0;
  width: 280px;
  height: 100%;
  background: var(--white);
  padding: 80px 28px 40px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: -8px 0 40px rgba(0,0,0,.15);
}
.mobile-nav a {
  padding: 13px 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--gray-text);
  border-bottom: 1px solid var(--gray-line);
}
.mobile-nav a:hover { color: var(--navy); }
.mobile-close {
  position: absolute;
  top: 22px; right: 22px;
  background: none;
  border: none;
  font-size: 22px;
  color: var(--gray-sub);
}
.mobile-store { margin-top: 28px; }

/* ══════════════════════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 680px;
  overflow: hidden;
  background: linear-gradient(135deg, #EFF5FF 0%, #F0FBF5 50%, #F8FAFC 100%);
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: .5;
  animation: float 8s ease-in-out infinite;
}
.blob-1 {
  width: 500px; height: 500px;
  background: rgba(46,139,87,.15);
  top: -100px; right: -80px;
  animation-delay: 0s;
}
.blob-2 {
  width: 350px; height: 350px;
  background: rgba(15,46,92,.1);
  bottom: -60px; left: 10%;
  animation-delay: 3s;
}
.blob-3 {
  width: 260px; height: 260px;
  background: rgba(59,130,246,.12);
  top: 40%; left: 45%;
  animation-delay: 6s;
}
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%  { transform: translate(20px, -20px) scale(1.03); }
  66%  { transform: translate(-10px, 15px) scale(.97); }
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 40px;
  min-height: 680px;
  padding: 80px 0;
}
.eyebrow-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(46,139,87,.12);
  color: var(--green);
  font-size: 14px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 99px;
  border: 1px solid rgba(46,139,87,.2);
  margin-bottom: 24px;
}
.badge-dot {
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%  { opacity: .5; transform: scale(.8); }
}
.hero h1 {
  font-size: 58px;
  font-weight: 900;
  line-height: 1.1;
  color: var(--navy);
  letter-spacing: -2px;
  margin-bottom: 22px;
}
.text-highlight {
  position: relative;
  color: var(--green);
}
.text-highlight::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 0; right: 0;
  height: 6px;
  background: rgba(46,139,87,.2);
  border-radius: 3px;
  z-index: -1;
}
.hero-desc {
  font-size: 18px;
  color: var(--gray-sub);
  line-height: 1.7;
  margin-bottom: 36px;
}
.hero-cta { display: flex; gap: 14px; margin-bottom: 28px; flex-wrap: wrap; }
.store-row { display: flex; gap: 12px; flex-wrap: wrap; }
.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #111;
  color: var(--white);
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  transition: all .2s;
  border: 1px solid #333;
}
.store-btn:hover { background: #222; transform: translateY(-1px); }

/* Phone mockup */
.hero-visual { display: flex; justify-content: center; align-items: center; }
.phone-wrap { position: relative; }
.phone-mockup {
  width: 250px;
  background: #111;
  border-radius: 40px;
  padding: 16px 14px;
  box-shadow: 0 30px 80px rgba(0,0,0,.35), 0 0 0 2px #333 inset;
}
.phone-notch {
  width: 90px;
  height: 20px;
  background: #111;
  border-radius: 0 0 14px 14px;
  margin: -16px auto 12px;
  position: relative;
  z-index: 2;
}
.phone-screen {
  background: var(--white);
  border-radius: 26px;
  overflow: hidden;
  min-height: 420px;
  padding: 16px;
}
.app-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.app-topbar strong { font-size: 15px; color: var(--navy); font-weight: 900; }
.app-tag {
  background: var(--green);
  color: var(--white);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
}
.app-search {
  display: flex;
  align-items: center;
  gap: 7px;
  background: var(--gray-bg);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 12px;
  color: var(--gray-sub);
  margin-bottom: 12px;
}
.app-cats { display: flex; gap: 6px; margin-bottom: 14px; overflow: hidden; }
.cat {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 99px;
  background: var(--gray-bg);
  color: var(--gray-sub);
  white-space: nowrap;
}
.cat.active { background: var(--navy); color: var(--white); }
.app-items { display: flex; flex-direction: column; gap: 10px; }
.app-item {
  display: flex;
  gap: 10px;
  padding: 8px;
  background: var(--gray-bg);
  border-radius: 10px;
}
.item-thumb {
  width: 52px;
  height: 52px;
  border-radius: 8px;
  flex-shrink: 0;
  background-size: cover;
  background-position: center;
}
.t1 { background: linear-gradient(135deg, #93C5FD, #3B82F6); }
.t2 { background: linear-gradient(135deg, #86EFAC, #22C55E); }
.t3 { background: linear-gradient(135deg, #FCA5A5, #EF4444); }
.item-info { flex: 1; min-width: 0; }
.item-name { font-size: 11px; font-weight: 700; color: var(--navy); margin-bottom: 2px; }
.item-price { font-size: 12px; font-weight: 800; color: var(--dark); margin-bottom: 2px; }
.item-loc { font-size: 10px; color: var(--gray-sub); }

/* Floating badges */
.float-badge {
  position: absolute;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--white);
  border-radius: 12px;
  padding: 10px 14px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-line);
  font-size: 13px;
  animation: bobble 4s ease-in-out infinite;
}
.float-badge span { font-size: 22px; }
.float-badge strong { display: block; font-size: 13px; color: var(--navy); font-weight: 700; }
.float-badge small { display: block; font-size: 11px; color: var(--gray-sub); }
.float-esg { top: 90px; right: -50px; animation-delay: 0s; }
.float-safe { bottom: 60px; left: -60px; animation-delay: 2s; }
@keyframes bobble {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}

/* ══════════════════════════════════════════════════════════════
   VALUE STRIP
═══════════════════════════════════════════════════════════════ */
.value-strip {
  background: var(--navy);
  padding: 22px 0;
}
.value-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}
.value-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,.85);
  font-weight: 700;
  font-size: 15px;
  padding: 8px 40px;
}
.value-item svg { color: var(--green); opacity: .9; flex-shrink: 0; }
.value-sep { width: 1px; height: 24px; background: rgba(255,255,255,.2); }

/* ══════════════════════════════════════════════════════════════
   PROBLEM
═══════════════════════════════════════════════════════════════ */
.problem-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.p-card {
  background: var(--white);
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
  padding: 32px 26px;
  box-shadow: var(--shadow-sm);
  transition: transform .25s, box-shadow .25s;
}
.p-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.p-icon {
  width: 58px; height: 58px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.p-icon.red    { background: #FEF2F2; color: #EF4444; }
.p-icon.orange { background: #FFF7ED; color: #F97316; }
.p-icon.yellow { background: #FEFCE8; color: #EAB308; }
.p-icon.green  { background: var(--green-light); color: var(--green); }
.p-card h3 { font-size: 18px; color: var(--navy); font-weight: 800; margin-bottom: 10px; }
.p-card p  { font-size: 14px; color: var(--gray-sub); line-height: 1.65; margin-bottom: 18px; }
.p-chip {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--gray-sub);
  background: var(--gray-bg);
  padding: 4px 10px;
  border-radius: 6px;
}

/* ══════════════════════════════════════════════════════════════
   SOLUTION
═══════════════════════════════════════════════════════════════ */
.solution-bg { background: var(--green-light); }
.solution-bg .sec-header h2 { color: var(--green); }

.flow-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.flow-node { text-align: center; }
.flow-node span { display: block; font-size: 14px; font-weight: 700; color: var(--gray-text); margin-top: 12px; line-height: 1.4; }
.flow-node small { font-size: 12px; color: var(--gray-sub); font-weight: 400; }
.flow-circle {
  width: 110px; height: 110px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--white);
  box-shadow: 0 8px 28px rgba(46,139,87,.15);
  font-weight: 900;
  font-size: 15px;
  color: var(--navy);
  text-align: center;
  transition: transform .25s;
}
.flow-circle:hover { transform: scale(1.06); }
.flow-circle.seller { color: #F97316; }
.flow-circle.platform { background: var(--navy); color: var(--white); font-size: 17px; }
.flow-circle.buyer { color: var(--accent); }
.flow-circle.esg { color: var(--green); }
.flow-arrow {
  font-size: 28px;
  color: var(--green);
  font-weight: 900;
  margin-bottom: 40px;
}

.sol-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: 0 8px 30px rgba(46,139,87,.12);
  overflow: hidden;
}
.sol-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 26px 22px;
  border-right: 1px solid var(--gray-line);
}
.sol-item:last-child { border-right: none; }
.sol-icon {
  width: 40px; height: 40px;
  background: var(--green-light);
  color: var(--green);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.sol-item strong { display: block; font-size: 14px; color: var(--navy); font-weight: 800; margin-bottom: 4px; }
.sol-item span { display: block; font-size: 13px; color: var(--gray-sub); line-height: 1.5; }

/* ══════════════════════════════════════════════════════════════
   04마켓 FEATURES
═══════════════════════════════════════════════════════════════ */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feat-card {
  background: var(--white);
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform .25s, box-shadow .25s;
}
.feat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feat-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, rgba(15,46,92,.08), rgba(15,46,92,.04));
  color: var(--navy);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  border: 1px solid rgba(15,46,92,.1);
}
.feat-card h3 { font-size: 18px; color: var(--navy); font-weight: 800; margin-bottom: 10px; }
.feat-card p  { font-size: 14px; color: var(--gray-sub); line-height: 1.7; }

/* ══════════════════════════════════════════════════════════════
   SERVICES
═══════════════════════════════════════════════════════════════ */
.services-bg { background: var(--gray-bg); }
.svc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.svc-card {
  background: var(--white);
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
  padding: 26px 22px;
  box-shadow: var(--shadow-sm);
  transition: transform .25s, box-shadow .25s;
  position: relative;
}
.svc-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.svc-card h3 { font-size: 16px; color: var(--navy); font-weight: 800; margin-bottom: 8px; }
.svc-card p  { font-size: 13px; color: var(--gray-sub); line-height: 1.6; }
.svc-main {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
  grid-column: span 2;
  padding: 32px 28px;
}
.svc-main h3 { font-size: 22px; color: var(--white); margin-bottom: 10px; }
.svc-main p  { color: rgba(255,255,255,.75); font-size: 15px; }
.svc-tag {
  display: inline-block;
  background: rgba(255,255,255,.2);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 14px;
}

/* ══════════════════════════════════════════════════════════════
   COMPANY
═══════════════════════════════════════════════════════════════ */
.company-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.company-left h2 { font-size: 38px; color: var(--navy); font-weight: 800; line-height: 1.22; margin-bottom: 20px; }
.company-desc { font-size: 15px; color: var(--gray-sub); line-height: 1.8; margin-bottom: 14px; }
.company-meta { margin-top: 32px; display: flex; flex-direction: column; gap: 14px; }
.meta-row { display: flex; gap: 16px; align-items: baseline; }
.meta-row strong { font-size: 13px; color: var(--gray-sub); font-weight: 700; min-width: 80px; flex-shrink: 0; }
.meta-row span { font-size: 15px; color: var(--dark); font-weight: 600; }

.vision-box {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 40px;
  color: var(--white);
}
.vision-row { display: flex; gap: 18px; align-items: flex-start; }
.vision-emoji { font-size: 28px; flex-shrink: 0; width: 44px; }
.vision-row strong { display: block; font-size: 13px; font-weight: 700; color: rgba(255,255,255,.5); text-transform: uppercase; letter-spacing: .1em; margin-bottom: 6px; }
.vision-row p { font-size: 15px; color: rgba(255,255,255,.85); line-height: 1.65; }
.vision-divider { height: 1px; background: rgba(255,255,255,.12); margin: 24px 0; }

/* ══════════════════════════════════════════════════════════════
   POC CONTACT
═══════════════════════════════════════════════════════════════ */
.poc-bg {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: var(--white);
}
.poc-bg .sec-label { color: var(--green); background: rgba(46,139,87,.2); }
.poc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.poc-left h2 { font-size: 38px; color: var(--white); font-weight: 800; line-height: 1.22; margin-bottom: 18px; }
.poc-desc { color: rgba(255,255,255,.75); font-size: 16px; line-height: 1.7; margin-bottom: 30px; }
.poc-benefits { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.poc-benefits li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: rgba(255,255,255,.85);
}
.check {
  width: 24px; height: 24px;
  background: var(--green);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  flex-shrink: 0;
}
.poc-form-wrap { background: var(--white); border-radius: var(--radius-lg); padding: 36px; }
.poc-form { display: flex; flex-direction: column; gap: 16px; }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field label { font-size: 13px; font-weight: 700; color: var(--gray-text); }
.req { color: #EF4444; }
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1.5px solid var(--gray-line);
  border-radius: 8px;
  padding: 11px 14px;
  font-family: inherit;
  font-size: 14px;
  color: var(--dark);
  background: var(--white);
  transition: border-color .2s;
  outline: none;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus { border-color: var(--navy); }
.form-field textarea { resize: vertical; line-height: 1.6; }
.form-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--gray-sub);
  cursor: pointer;
}
.form-check input { margin-top: 2px; accent-color: var(--navy); }
.policy-link { color: var(--navy); text-decoration: underline; }
.form-success {
  display: none;
  background: var(--green-light);
  color: var(--green);
  border: 1px solid var(--green-mid);
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 14px;
  font-weight: 600;
}

/* ══════════════════════════════════════════════════════════════
   FAQ
═══════════════════════════════════════════════════════════════ */
.faq-list { max-width: 780px; margin: 0 auto 48px; display: flex; flex-direction: column; gap: 10px; }
.faq-item {
  background: var(--white);
  border: 1.5px solid var(--gray-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: box-shadow .2s;
}
.faq-item[open] { border-color: var(--navy); box-shadow: var(--shadow-md); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-chevron {
  flex-shrink: 0;
  color: var(--gray-sub);
  transition: transform .25s;
}
.faq-item[open] .faq-chevron { transform: rotate(180deg); color: var(--navy); }
.faq-body { padding: 0 22px 18px; }
.faq-body p { font-size: 15px; color: var(--gray-sub); line-height: 1.75; }
.faq-body a { color: var(--navy); text-decoration: underline; }

.contact-channels {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  background: var(--gray-bg);
  border-radius: var(--radius);
  padding: 24px 32px;
}
.channel-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-text);
}
.channel-item svg { color: var(--navy); flex-shrink: 0; }
.channel-item a { color: var(--navy); }
.channel-item a:hover { text-decoration: underline; }

/* ══════════════════════════════════════════════════════════════
   APP CTA
═══════════════════════════════════════════════════════════════ */
.app-cta {
  background: linear-gradient(90deg, var(--green) 0%, #1a6e41 100%);
  padding: 64px 0;
}
.app-cta-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.app-cta-text h2 { font-size: 34px; font-weight: 900; color: var(--white); margin-bottom: 8px; }
.app-cta-text p  { font-size: 17px; color: rgba(255,255,255,.8); }
.app-cta-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.store-btn-lg {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--white);
  color: var(--dark);
  padding: 13px 22px;
  border-radius: 12px;
  font-family: inherit;
  transition: all .2s;
  box-shadow: 0 4px 14px rgba(0,0,0,.2);
}
.store-btn-lg:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.3); }
.store-btn-lg small { display: block; font-size: 11px; color: var(--gray-sub); font-weight: 400; }
.store-btn-lg strong { display: block; font-size: 16px; font-weight: 800; color: var(--dark); }

/* ══════════════════════════════════════════════════════════════
   POLICY
═══════════════════════════════════════════════════════════════ */
.policy-strip { background: var(--gray-bg); padding: 56px 0; }
.policy-strip h3 { font-size: 22px; color: var(--navy); font-weight: 800; margin-bottom: 24px; }
.policy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.policy-grid a {
  background: var(--white);
  border: 1px solid var(--gray-line);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
  transition: all .2s;
}
.policy-grid a:hover { background: var(--navy); color: var(--white); transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* ══════════════════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════════════════ */
.footer { background: #0B1526; padding: 60px 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -.5px;
  margin-bottom: 16px;
}
.footer-logo-img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: contain;
}
.footer-brand p { font-size: 13px; color: #94A3B8; line-height: 1.8; }
.footer-brand a { color: #94A3B8; }
.footer-brand a:hover { color: var(--white); }
.footer-col-title { font-size: 13px; font-weight: 800; color: var(--white); text-transform: uppercase; letter-spacing: .1em; margin-bottom: 16px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 14px; color: #94A3B8; transition: color .2s; }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
}
.footer-bottom p { font-size: 12px; color: #64748B; line-height: 1.8; }

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE — Tablet (< 980px)
═══════════════════════════════════════════════════════════════ */
@media (max-width: 980px) {
  .nav, .header-actions { display: none; }
  .hamburger { display: flex; }
  .header-inner { height: 60px; }
  .logo { font-size: 18px; }
  .logo-icon { width: 28px; height: 28px; font-size: 14px; }

  .section { padding: 64px 0; }
  .sec-header { margin-bottom: 36px; }
  .sec-header h2 { font-size: 28px; }
  .sec-desc { font-size: 15px; }

  /* Hero */
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; min-height: auto; padding: 56px 0 48px; gap: 48px; }
  .hero-content { text-align: center; }
  .hero h1 { font-size: 38px; }
  .hero-desc { font-size: 16px; }
  .hero-cta { justify-content: center; }
  .store-row { justify-content: center; }
  .hero-visual { justify-content: center; }
  .float-esg { right: -10px; top: 90px; }
  .float-safe { left: -10px; bottom: 40px; }

  /* Value strip */
  .value-grid { gap: 0; }
  .value-item { padding: 8px 20px; font-size: 13px; }
  .value-sep { height: 20px; }

  /* Problem */
  .problem-grid { grid-template-columns: repeat(2, 1fr); }

  /* Solution */
  .flow-row { gap: 8px; }
  .flow-circle { width: 85px; height: 85px; font-size: 13px; }
  .flow-arrow { font-size: 20px; margin-bottom: 28px; }
  .sol-strip { grid-template-columns: 1fr 1fr; }
  .sol-item:nth-child(2) { border-right: none; }
  .sol-item:nth-child(3) { border-top: 1px solid var(--gray-line); }
  .sol-item:nth-child(4) { border-right: none; border-top: 1px solid var(--gray-line); }

  /* Features */
  .feat-grid { grid-template-columns: repeat(2, 1fr); }

  /* Services */
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .svc-main { grid-column: span 2; }

  /* Company */
  .company-grid { grid-template-columns: 1fr; gap: 40px; }
  .company-left h2 { font-size: 28px; }
  .vision-box { padding: 30px; }

  /* PoC */
  .poc-grid { grid-template-columns: 1fr; gap: 40px; }
  .poc-left h2 { font-size: 28px; }

  /* App CTA */
  .app-cta-grid { justify-content: center; text-align: center; }
  .app-cta-btns { justify-content: center; }

  /* Policy */
  .policy-grid { grid-template-columns: 1fr 1fr; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: span 2; }

  /* Contact channels */
  .contact-channels { gap: 20px; }
}

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE — Mobile (< 600px)
═══════════════════════════════════════════════════════════════ */
@media (max-width: 600px) {
  .container { padding: 0 18px; }

  /* Hero */
  .hero h1 { font-size: 30px; letter-spacing: -1px; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .btn-lg { width: 100%; justify-content: center; }
  .float-badge { display: none; }

  /* Value strip */
  .value-grid { flex-direction: column; align-items: center; gap: 6px; }
  .value-sep { width: 40px; height: 1px; }
  .value-item { font-size: 14px; padding: 6px 20px; }

  /* Problem */
  .problem-grid { grid-template-columns: 1fr; }

  /* Solution */
  .flow-row { flex-direction: column; gap: 6px; }
  .flow-arrow { transform: rotate(90deg); font-size: 22px; margin-bottom: 0; }
  .sol-strip { grid-template-columns: 1fr; }
  .sol-item { border-right: none; border-bottom: 1px solid var(--gray-line); }
  .sol-item:last-child { border-bottom: none; }

  /* Features */
  .feat-grid { grid-template-columns: 1fr; }

  /* Services */
  .svc-grid { grid-template-columns: 1fr; }
  .svc-main { grid-column: span 1; }

  /* Form */
  .form-row-2 { grid-template-columns: 1fr; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: span 1; }

  /* FAQ */
  .contact-channels { flex-direction: column; align-items: flex-start; gap: 14px; }

  /* App CTA */
  .app-cta-btns { flex-direction: column; }
  .store-btn-lg { justify-content: center; }
  .app-cta-text h2 { font-size: 26px; }

  /* Policy */
  .policy-grid { grid-template-columns: 1fr; }

  /* Sec header */
  .sec-header h2 { font-size: 24px; }
}