/* =================================================================
   WIDEWINGS CORP. — 디자인 시스템 v1.0 (2026-05-12)
   네이비 + 옐로(에너지) + 시안(테크) 듀얼 액센트
   참고 DNA: Signify·한화시스템·HD현대일렉트릭·Leadsun·Flashnet
   ================================================================= */

@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.css');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
  /* === Colors === */
  --c-navy:        #1A1B1C;
  --c-navy-2:      #2A2B2C;
  --c-navy-3:      #3A3B3C;
  --c-blue:        #0EA5E9;
  --c-blue-2:      #38BDF8;
  --c-cyan:        #22D3EE;   /* 소프트웨어·테크 액센트 */
  --c-cyan-2:      #67E8F9;
  --c-yellow:      #FFB020;   /* 태양광·에너지 액센트 */
  --c-yellow-2:    #FFCB3B;
  --c-orange:      #FF6B1A;
  --c-sunshine:    #FFA726;     /* 태양 메인 — 로고 오렌지 톤 */
  --c-sunset:      #FF7043;     /* 따뜻한 액센트 */
  --c-green:       #00C896;
  --c-white:       #FFFFFF;
  --c-gray-50:     #F8FBFF;
  --c-gray-100:    #F1F5F9;
  --c-gray-200:    #E2E8F0;
  --c-gray-300:    #CBD5E1;
  --c-gray-400:    #94A3B8;
  --c-gray-500:    #64748B;
  --c-gray-600:    #475569;
  --c-gray-700:    #334155;
  --c-gray-800:    #1E293B;
  --c-gray-900:    #0F172A;

  /* === Typography === */
  --ff-kr: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --ff-en: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;

  /* === Spacing === */
  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px;
  --sp-5: 20px; --sp-6: 24px; --sp-8: 32px; --sp-10: 40px;
  --sp-12: 48px; --sp-16: 64px; --sp-20: 80px; --sp-24: 96px;

  --container: 1320px;
  --gutter: 24px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.06);
  --shadow:    0 4px 12px rgba(0,0,0,.08);
  --shadow-lg: 0 20px 40px rgba(0,0,0,.15);
  --shadow-glow: 0 0 40px rgba(0,184,217,.25);

  --r-sm: 4px; --r-md: 8px; --r-lg: 12px; --r-xl: 20px; --r-2xl: 28px;

  --header-h: 76px;
}

/* === Reset === */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--ff-kr);
  font-size: 16px;
  line-height: 1.65;
  color: var(--c-gray-800);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
}
html[lang="en"] body { font-family: var(--ff-en); }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .15s; }
a:hover { color: var(--c-cyan); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5 { font-weight: 800; letter-spacing: -.025em; color: var(--c-navy); line-height: 1.18; }
h1 { font-size: clamp(36px, 6vw, 64px); font-weight: 900; }
h2 { font-size: clamp(28px, 4vw, 44px); margin-bottom: var(--sp-6); }
h3 { font-size: clamp(20px, 2vw, 26px); margin-bottom: var(--sp-3); }
p { margin-bottom: var(--sp-4); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: var(--sp-20) 0; }
.section-tight { padding: var(--sp-12) 0; }
.section-dark { background: #1A1B1C; color: var(--c-white); }
.section-dark h1, .section-dark h2, .section-dark h3 { color: var(--c-white); }
.section-gray { background: var(--c-gray-50); }
.eyebrow {
  display: inline-block;
  font-size: 12px; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--c-cyan); margin-bottom: var(--sp-3);
}
.eyebrow.yellow { color: var(--c-orange); }
.lead { font-size: clamp(17px, 1.5vw, 20px); color: var(--c-gray-600); max-width: 760px; line-height: 1.65; }

/* === Header === */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--c-gray-200);
  height: var(--header-h);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%;
}
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-text { display: inline-flex; flex-direction: column; line-height: 1; }
.brand-text .name { font-size: 21px; font-weight: 900; color: var(--c-navy); letter-spacing: -.02em; }
.brand-text small { display: block; font-size: 10px; font-weight: 600; color: var(--c-gray-500); margin-top: 4px; letter-spacing: .15em; text-transform: uppercase; }

/* brand-logo (로고 단독 PNG) */
.brand-logo {
  height: 40px; width: auto; display: block;
}
@media (max-width: 768px) { .brand-logo { height: 32px; } }
.brand-logo-footer { height: 48px; }

.brand-mark-OLD {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--c-orange) 0%, var(--c-sunshine) 100%);
  color: #fff; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; font-weight: 900; letter-spacing: -.04em;
  box-shadow: var(--shadow);
}

.nav-primary { display: flex; align-items: center; gap: 30px; }
.nav-primary a {
  font-size: 16px; font-weight: 600; color: var(--c-gray-700);
  padding: 10px 0; position: relative;
}

/* EN 메뉴 글자 크기 축소 (영문 폰트가 한글 톤보다 크게 보이는 보정, 2026-05-13 보스 명시) */
html[lang="en"] .nav-primary a { font-size: 14px; }
html[lang="ja"] .nav-primary a { font-size: 14px; }

.nav-primary a { transition: color .2s ease, font-weight .15s ease; }
.nav-primary a:hover, .nav-primary a.active { color: var(--c-orange); font-weight: 800; }
.nav-primary a.active::after {
  content: ""; position: absolute; bottom: -2px; left: 0; right: 0;
  height: 3px; background: var(--c-orange); border-radius: 2px;
}

.nav-utils { display: flex; align-items: center; gap: var(--sp-3); }
.lang-toggle { display: flex; gap: 2px; border: 1px solid var(--c-gray-300); border-radius: 999px; padding: 3px; }
.lang-toggle a { padding: 4px 12px; font-size: 11px; font-weight: 700; border-radius: 999px; color: var(--c-gray-500); }
.lang-toggle a.on { background: var(--c-navy); color: #fff; }

.btn-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--c-orange); color: #fff;
  padding: 12px 22px; border-radius: 8px;
  font-size: 14px; font-weight: 700;
  transition: all .18s;
  border: 1.5px solid var(--c-orange);
}
.btn-cta:hover { background: var(--c-sunset); border-color: var(--c-sunset); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-cta.outline { background: transparent; color: var(--c-navy); }
.btn-cta.outline:hover { background: var(--c-navy); color: #fff; }
.btn-cta.yellow { background: var(--c-sunshine); color: var(--c-navy); border-color: var(--c-sunshine); box-shadow: 0 4px 14px rgba(255,167,38,.4); }
.btn-cta.yellow:hover { background: var(--c-orange); border-color: var(--c-orange); color: #fff; }

.btn-hamburger { display: none; padding: 8px; color: var(--c-navy); }
.btn-hamburger svg { width: 26px; height: 26px; }

/* === Hero === */
.hero {
  position: relative; min-height: 640px;
  display: flex; align-items: center;
  color: var(--c-navy); overflow: hidden;
  background: linear-gradient(135deg, #FFF7E1 0%, #FFE0B5 25%, #BFE4FF 65%, #E0F2FE 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 75% 25%, rgba(255,107,26,.20), transparent 55%),
    radial-gradient(circle at 20% 75%, rgba(14,165,233,.18), transparent 60%);
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,31,63,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,31,63,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}
.hero .container { position: relative; z-index: 2; padding-top: var(--sp-12); padding-bottom: var(--sp-12); }
.hero h1 { color: var(--c-navy); margin-bottom: var(--sp-5); max-width: 920px; }
.hero h1 .hilite { color: var(--c-orange); }
.hero h1 .hilite-y { color: var(--c-sunshine); }
.hero p.subhead { font-size: clamp(17px, 1.6vw, 22px); max-width: 760px; color: var(--c-gray-700); margin-bottom: var(--sp-8); line-height: 1.6; }
.hero .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero .btn-cta { padding: 15px 30px; font-size: 15px; }
.hero .btn-cta.outline { background: rgba(255,255,255,.7); color: var(--c-navy); border-color: var(--c-navy); backdrop-filter: blur(10px); }
.hero .btn-cta.outline:hover { background: var(--c-navy); color: #fff; }

/* === Dual Synergy 카드 (HW + SW) — 와이드윙스 시그니처 === */
.synergy {
  position: relative;
  margin-top: -60px;
  z-index: 5;
  margin-bottom: -60px;
}
.synergy-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
  max-width: var(--container); margin-left: auto; margin-right: auto;
  padding: 0 var(--gutter);
  width: 100%;
}
.synergy-card {
  background: #fff;
  border-radius: var(--r-2xl);
  padding: var(--sp-8) var(--sp-10);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--c-gray-200);
  transition: all .25s;
}
.synergy-card:hover { transform: translateY(-6px); border-color: var(--c-cyan); }
.synergy-card .tag {
  display: inline-block;
  font-size: 11px; font-weight: 800; letter-spacing: .15em;
  padding: 4px 12px; border-radius: 999px;
  margin-bottom: var(--sp-3);
}
.synergy-card.hw .tag { background: rgba(244,180,0,.15); color: #B07F00; }
.synergy-card.sw .tag { background: rgba(0,184,217,.15); color: #006B7E; }
.synergy-card h3 { font-size: 22px; margin-bottom: 8px; }
.synergy-card p { color: var(--c-gray-600); font-size: 14px; margin-bottom: var(--sp-3); }
.synergy-card .items { display: flex; flex-wrap: wrap; gap: 6px; }
.synergy-card .items span {
  font-size: 12px; padding: 4px 10px;
  background: var(--c-gray-100); color: var(--c-gray-700);
  border-radius: 6px; font-weight: 500;
}

/* === Stats === */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-8);
}
.stat .num {
  display: block; font-size: clamp(38px, 4.5vw, 58px); font-weight: 900;
  color: #1A1B1C; letter-spacing: -.04em; line-height: 1;
  margin-bottom: 6px;
}
.section-dark .stat .num { color: var(--c-yellow); }
.stat .label { font-size: 13px; color: var(--c-gray-500); font-weight: 600; letter-spacing: .02em; }
.section-dark .stat .label { color: rgba(255,255,255,.75); }
.stat .num .plus { color: var(--c-cyan); font-weight: 900; }

/* === Capabilities (4축 분리) === */
.cap-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-5);
}
.cap-card {
  background: #fff;
  border: 1px solid var(--c-gray-200);
  border-radius: var(--r-xl);
  padding: var(--sp-8);
  position: relative;
  overflow: hidden;
  transition: all .25s;
}
.cap-card::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--c-gray-300);
  transition: background .2s;
}
.cap-card.lighting::before { background: var(--c-sunshine); }
.cap-card.solar::before { background: var(--c-sunset); }
.cap-card.electronics::before { background: var(--c-cyan); }
.cap-card.software::before { background: var(--c-cyan); }
.cap-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--c-cyan); }
.cap-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--sp-4);
}
.cap-card.lighting .cap-icon { background: rgba(255,176,32,.15); color: var(--c-sunshine); }
.cap-card.solar .cap-icon { background: rgba(255,107,26,.15); color: var(--c-orange); }
.cap-card.electronics .cap-icon { background: rgba(30,92,158,.12); color: var(--c-blue); }
.cap-card.software .cap-icon { background: rgba(0,184,217,.12); color: var(--c-cyan); }
.cap-icon svg { width: 28px; height: 28px; }
.cap-card h3 { font-size: 19px; margin-bottom: 8px; }
.cap-card p { color: var(--c-gray-600); font-size: 14px; margin-bottom: 14px; line-height: 1.55; }
.cap-card .items { display: flex; flex-direction: column; gap: 4px; }
.cap-card .items li { font-size: 13px; color: var(--c-gray-700); padding-left: 18px; position: relative; }
.cap-card .items li::before { content: "→"; position: absolute; left: 0; color: var(--c-cyan); font-weight: 700; }

/* === Solutions (브랜드 카드) === */
.sol-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-5);
}
.sol-card {
  background: linear-gradient(160deg, #1A1B1C 0%, #2A2B2C 100%);
  color: #fff;
  border-radius: var(--r-xl);
  padding: var(--sp-8);
  position: relative; overflow: hidden;
  transition: all .25s;
  border: 1px solid rgba(255,255,255,.08);
}
.sol-card::after {
  content: "";
  position: absolute; bottom: -50px; right: -50px;
  width: 160px; height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,184,217,.3) 0%, transparent 70%);
  pointer-events: none;
}
.sol-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-glow); border-color: var(--c-cyan); }
.sol-brand {
  display: inline-block;
  font-size: 10px; font-weight: 800; letter-spacing: .25em;
  color: var(--c-sunshine);
  padding: 4px 10px;
  background: rgba(255,176,32,.15);
  border-radius: 999px;
  margin-bottom: var(--sp-4);
  position: relative; z-index: 2;
}
.sol-card h3 { color: #fff; font-size: 22px; margin-bottom: 10px; position: relative; z-index: 2; }
.sol-card p { color: rgba(255,255,255,.75); font-size: 14px; margin-bottom: 14px; line-height: 1.55; position: relative; z-index: 2; }
.sol-card .meta { display: flex; gap: 6px; flex-wrap: wrap; position: relative; z-index: 2; }
.sol-card .meta span {
  font-size: 11px; padding: 4px 10px;
  background: rgba(255,255,255,.08); color: rgba(255,255,255,.85);
  border-radius: 6px; font-weight: 600;
}

/* === Products (자체 SaaS) === */
.saas-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}
.saas-card {
  background: #fff;
  border: 1px solid var(--c-gray-200);
  border-radius: var(--r-xl);
  padding: var(--sp-8);
  text-align: left;
  transition: all .25s;
  position: relative;
}
.saas-card .verified {
  position: absolute; top: 18px; right: 18px;
  font-size: 10px; font-weight: 800; letter-spacing: .12em;
  color: var(--c-green);
  background: rgba(0,200,150,.12);
  padding: 3px 10px; border-radius: 999px;
}
.saas-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--c-cyan); }
.saas-logo {
  width: 56px; height: 56px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; font-weight: 900;
  margin-bottom: var(--sp-4);
}
.saas-card.erp .saas-logo { background: linear-gradient(135deg, #1E5C9E, #00B8D9); color: #fff; }
.saas-card.msg .saas-logo { background: linear-gradient(135deg, #EC4899, #F4B400); color: #fff; }
.saas-card.ai  .saas-logo { background: linear-gradient(135deg, #6366F1, #00B8D9); color: #fff; }
.saas-card h3 { font-size: 20px; margin-bottom: 6px; }
.saas-card .desc { color: var(--c-gray-600); font-size: 14px; margin-bottom: 0; line-height: 1.55; }

/* === Reference (실적) === */
.ref-list { display: grid; gap: var(--sp-4); }
.ref-item {
  display: grid; grid-template-columns: 80px 1fr auto;
  gap: var(--sp-5);
  padding: var(--sp-5) var(--sp-6);
  background: #fff;
  border: 1px solid var(--c-gray-200);
  border-radius: var(--r-lg);
  align-items: center;
  transition: all .15s;
}
.ref-item:hover { border-color: var(--c-cyan); transform: translateX(2px); }
.ref-year { font-size: 22px; font-weight: 900; color: var(--c-navy); letter-spacing: -.02em; }
.ref-body strong { color: var(--c-navy); font-weight: 800; font-size: 16px; }
.ref-body p { margin: 4px 0 0; color: var(--c-gray-600); font-size: 14px; }
.ref-amount {
  background: var(--c-yellow);
  color: var(--c-navy);
  padding: 6px 14px; border-radius: 999px;
  font-size: 13px; font-weight: 800;
  white-space: nowrap;
}

/* === Footer === */
.site-footer {
  background: #F8FBFF;
  border-top: 1px solid #E5E7EB;
  color: var(--c-navy);
  padding: var(--sp-16) 0 var(--sp-6);
  font-size: 14px;
}
.site-footer p, .site-footer li { color: var(--c-gray-800); }
.site-footer .brand-logo-footer { filter: none; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--sp-8); margin-bottom: var(--sp-10);
}
.footer-grid h4 { color: var(--c-navy); font-size: 13px; text-transform: uppercase; letter-spacing: .1em; margin-bottom: var(--sp-4); font-weight: 800; }
.footer-grid ul li { margin-bottom: 8px; font-size: 13px; color: var(--c-gray-800); }
.footer-grid a { color: var(--c-gray-800); }
.footer-grid a:hover { color: var(--c-orange); }
.footer-bottom {
  border-top: 1px solid #E5E7EB;
  padding-top: var(--sp-6); font-size: 12px;
  color: var(--c-navy);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--sp-3);
}

/* === Animations === */
.fade-up { opacity: 0; transform: translateY(20px); transition: all .6s ease-out; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* === Responsive === */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .cap-grid, .sol-grid { grid-template-columns: repeat(2, 1fr); }
  .synergy-grid { grid-template-columns: 1fr; }
  .saas-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  :root { --header-h: 64px; }
  .nav-primary { display: none; }
  .nav-primary.open {
    display: flex; flex-direction: column;
    position: fixed; top: var(--header-h); left: 0; right: 0;
    background: #fff; padding: var(--sp-6); gap: var(--sp-4);
    border-bottom: 1px solid var(--c-gray-200);
    box-shadow: var(--shadow);
  }
  .btn-hamburger { display: inline-flex; }
  .btn-cta { padding: 9px 16px; font-size: 13px; }
  .hero { min-height: 520px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .cap-grid, .sol-grid, .saas-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--sp-6); }
  .ref-item { grid-template-columns: 1fr; }
  .section { padding: var(--sp-12) 0; }
}


/* === Hero Video Background (Tesla-style) === */
.hero-video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; z-index: 0; opacity: .45;
  pointer-events: none;
}
.hero-video-overlay {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(135deg, rgba(255,247,225,.35) 0%, rgba(255,224,181,.30) 25%, rgba(191,228,255,.30) 65%, rgba(224,242,254,.40) 100%),
    radial-gradient(ellipse at 50% 100%, rgba(255,255,255,.35), transparent 60%);
  pointer-events: none;
}
.hero { isolation: isolate; }
@media (max-width: 768px) {
  .hero-video { opacity: .35; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-video { display: none; }
}

/* Arabic — RTL + 폰트 (Noto Sans Arabic은 각 페이지에서 CDN 로드) */
html[lang="ar"] { font-family: "Noto Sans Arabic", "Pretendard", -apple-system, sans-serif; }
html[lang="ar"] .nav-primary a { font-size: 15px; }
html[dir="rtl"] .hero h1, html[dir="rtl"] .hero p.subhead { text-align: right; }

/* === 2026-05-14 보스 요청: hero h1 한 단계 작게 + 헤더 양끝 정렬 === */
.hero h1 { font-size: clamp(32px, 5vw, 56px); }
.site-header .container { max-width: none; }
.hero p.subhead { font-size: clamp(15px, 1.4vw, 19px); }