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

:root {
  /* ===== PURPLE-TINTED DARK — DURU 브랜드 무드 ===== */
  --bg:          #0A0510;
  --bg-2:        #120A1E;
  --bg-3:        #1A1029;
  --bg-4:        #241634;

  /* ===== BRAND PURPLE — DURU 로고(#7A01A4) 기반 ===== */
  --brand:       #7A01A4;   /* 로고 원색 */

  --purple:      #C77DFF;   /* 라이트 라벤더 — 보조 강조(텍스트 하이라이트·라인·숫자·탭) */
  --purple-lo:   rgba(199, 125, 255, 0.12);
  --purple-line: rgba(199, 125, 255, 0.30);

  /* 변수명 --orange 는 레거시 참조 호환용으로 유지하되, 값은 메인 액션 퍼플로 사용 */
  --orange:      #B026D3;   /* 메인 액션 퍼플 — 버튼·배지·아이브로우 */
  --orange-lo:   rgba(176, 38, 211, 0.12);
  --orange-line: rgba(176, 38, 211, 0.40);

  /* TEXT — 높은 명도로 가시성 확보 */
  --t1:  #FFFFFF;
  --t2:  #D6CEE6;   /* body text */
  --t3:  #9B8DB2;   /* secondary */
  --t4:  #4A3D5E;   /* decorative (purple-tinted) */

  --line:  rgba(255,255,255,0.08);
  --line2: rgba(255,255,255,0.04);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans KR', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  background: var(--bg);
  color: var(--t1);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 32px; }

/* ====================================
   HEADER
==================================== */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 68px;
  background: rgba(6,5,12,0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex; align-items: center;
  justify-content: space-between; height: 100%;
}

.logo { display: flex; align-items: center; gap: 14px; }

.logo-img { height: 40px; width: 40px; display: block; }

.logo-mark {
  font-size: 22px; font-weight: 900;
  color: var(--t1); letter-spacing: 4px;
}

.logo-sep { width: 1px; height: 16px; background: var(--line); }

.logo-company { font-size: 11px; color: var(--t3); font-weight: 400; letter-spacing: 0.3px; }

nav { display: flex; gap: 2px; align-items: center; }

nav a {
  font-size: 13px; font-weight: 500; color: var(--t3);
  padding: 8px 16px; border-radius: 6px;
  transition: color 0.2s; letter-spacing: 0.2px;
}
nav a:hover { color: var(--t1); }

.btn-header {
  background: var(--orange); color: #fff !important;
  font-weight: 700 !important; font-size: 13px !important;
  padding: 9px 20px !important; border-radius: 8px !important;
  margin-left: 10px;
  transition: opacity 0.2s !important;
}
.btn-header:hover { opacity: 0.85 !important; }

.hamburger {
  display: none; flex-direction: column;
  gap: 5px; cursor: pointer; padding: 6px;
}
.hamburger span { width: 22px; height: 1.5px; background: var(--t1); border-radius: 2px; }

/* ====================================
   HERO
==================================== */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding-top: 68px;
}

/* 대각선 에너지 라인 — 바이크 감성 */
.hero::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 55%;
  height: 100%;
  background:
    linear-gradient(145deg,
      transparent 40%,
      rgba(199,125,255,0.08) 40%,
      rgba(199,125,255,0.08) 41%,
      transparent 41%),
    linear-gradient(145deg,
      transparent 55%,
      rgba(176,38,211,0.07) 55%,
      rgba(176,38,211,0.07) 56%,
      transparent 56%);
  pointer-events: none;
}

.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 55% 70% at 70% 40%, rgba(154,18,199,0.22) 0%, transparent 60%),
    radial-gradient(ellipse 30% 40% at 15% 75%, rgba(176,38,211,0.10) 0%, transparent 55%);
}

.hero-inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1fr 420px;
  gap: 60px; align-items: center;
  padding: 100px 0 80px;
}

.hero-kicker {
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: 32px;
}
.kicker-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--purple);
}
.kicker-text {
  font-size: 11px; font-weight: 700;
  letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--purple);
}

.hero h1 {
  font-size: clamp(46px, 5.8vw, 76px);
  font-weight: 900; line-height: 1.08;
  letter-spacing: -2px; margin-bottom: 28px;
  word-break: keep-all; color: var(--t1);
}

.hero h1 .accent { color: var(--purple); }

.hero-desc {
  font-size: 17px; color: var(--t2);
  line-height: 1.9; margin-bottom: 48px;
  max-width: 440px; word-break: keep-all;
}

.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* Store buttons */
.btn-dl {
  display: inline-flex; align-items: center; gap: 13px;
  padding: 15px 28px; border-radius: 12px;
  min-width: 175px; transition: all 0.25s;
}
.btn-dl.main {
  background: var(--orange); color: #fff;
  box-shadow: 0 8px 32px rgba(154,18,199,0.40);
}
.btn-dl.main:hover {
  background: #C13DE8;
  box-shadow: 0 12px 40px rgba(154,18,199,0.55);
  transform: translateY(-2px);
}
.btn-dl.sub {
  background: var(--bg-3); color: var(--t1);
  border: 1px solid var(--line);
}
.btn-dl.sub:hover {
  background: var(--bg-4); border-color: rgba(255,255,255,0.15);
  transform: translateY(-2px);
}
.dl-icon { width: 26px; height: 26px; flex-shrink: 0; }
.dl-label { display: flex; flex-direction: column; }
.dl-label span { font-size: 9px; font-weight: 500; letter-spacing: 0.8px; opacity: 0.65; text-transform: uppercase; }
.dl-label strong { font-size: 15px; font-weight: 800; letter-spacing: -0.3px; margin-top: 1px; }

/* ---- Phone Frame ---- */
.hero-visual { display: flex; justify-content: flex-end; align-items: center; }

.phone-wrap { position: relative; }

/* 오렌지 글로우 - 바이크 배기구 열기 느낌 */
.phone-glow-outer {
  position: absolute;
  bottom: -40px; left: 50%; transform: translateX(-50%);
  width: 180px; height: 80px;
  background: radial-gradient(ellipse, rgba(154,18,199,0.5) 0%, transparent 70%);
  filter: blur(20px);
}

.phone-frame {
  width: 260px; height: 520px;
  background: var(--bg-2);
  border-radius: 40px;
  border: 1px solid rgba(255,255,255,0.1);
  position: relative; overflow: hidden;
  box-shadow:
    0 60px 100px rgba(0,0,0,0.7),
    0 0 0 1px rgba(255,255,255,0.04),
    inset 0 1px 0 rgba(255,255,255,0.08);
}

.phone-notch {
  position: absolute; top: 0; left: 50%;
  transform: translateX(-50%);
  width: 88px; height: 26px;
  background: var(--bg); border-radius: 0 0 16px 16px; z-index: 10;
}

.phone-statusbar {
  position: absolute; top: 10px; left: 20px; right: 20px;
  display: flex; justify-content: flex-end;
  font-size: 10px; color: var(--t3); z-index: 5;
}

.phone-screen {
  position: absolute;
  top: 48px; left: 16px; right: 16px; bottom: 24px;
  display: flex; flex-direction: column; gap: 12px;
}

.phone-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 0 6px;
}
.phone-appname {
  font-size: 22px; font-weight: 900;
  color: var(--t1); letter-spacing: 3px;
}
.phone-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--orange);
}

.phone-search {
  height: 36px;
  background: var(--bg-3);
  border-radius: 10px;
  border: 1px solid var(--line);
  display: flex; align-items: center;
  padding: 0 12px; gap: 8px;
}
.phone-search-icon { color: var(--t4); font-size: 12px; }
.phone-search-text { font-size: 11px; color: var(--t4); }

.phone-tabs {
  display: flex; gap: 6px;
}
.phone-tab {
  font-size: 11px; font-weight: 700;
  padding: 5px 10px; border-radius: 6px;
  color: var(--t3);
}
.phone-tab.active {
  background: var(--purple-lo);
  color: var(--purple); border: 1px solid var(--purple-line);
}

.phone-cards { display: flex; flex-direction: column; gap: 8px; flex: 1; overflow: hidden; }

.phone-card {
  background: var(--bg-3);
  border-radius: 10px; border: 1px solid var(--line);
  padding: 10px 12px;
  display: flex; gap: 10px; align-items: center;
}
.phone-card-thumb {
  width: 40px; height: 40px; border-radius: 7px;
  background: var(--bg-4);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.phone-card-thumb svg { width: 24px; height: 24px; opacity: 0.4; }
.phone-card-info { flex: 1; }
.phone-card-name { font-size: 11px; font-weight: 700; color: var(--t1); margin-bottom: 2px; }
.phone-card-meta { font-size: 9px; color: var(--t3); }
.phone-card-price { font-size: 12px; font-weight: 800; color: var(--purple); }

.phone-badge {
  position: absolute; bottom: -6px; right: -6px;
  background: var(--orange); color: #fff;
  font-size: 9px; font-weight: 800; letter-spacing: 0.5px;
  padding: 4px 10px; border-radius: 20px;
  box-shadow: 0 4px 12px rgba(154,18,199,0.5);
}

/* ====================================
   STATS BAR
==================================== */
.stats-bar {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stats-inner {
  display: grid; grid-template-columns: repeat(4, 1fr);
}

.stat-cell {
  padding: 40px 28px;
  border-right: 1px solid var(--line);
  position: relative;
}
.stat-cell:last-child { border-right: none; }

.stat-num {
  font-size: clamp(32px, 3.5vw, 48px);
  font-weight: 900; letter-spacing: -2px;
  color: var(--t1); line-height: 1; margin-bottom: 8px;
}
.stat-num .unit { font-size: 0.55em; font-weight: 500; color: var(--t3); letter-spacing: 0; margin-left: 2px; }
.stat-label { font-size: 13px; color: var(--t2); font-weight: 500; }
.stat-sub { font-size: 11px; color: var(--t3); margin-top: 3px; }

/* 오렌지 어센트 라인 */
.stat-cell.highlight::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--purple), transparent);
}

/* ====================================
   SECTIONS BASE
==================================== */
section { padding: 120px 0; }

.eyebrow {
  display: flex; align-items: center; gap: 12px; margin-bottom: 20px;
}
.eyebrow-line { width: 28px; height: 2px; background: var(--purple); border-radius: 2px; }
.eyebrow-text {
  font-size: 11px; font-weight: 700;
  letter-spacing: 2.5px; text-transform: uppercase; color: var(--purple);
}

.section-title {
  font-size: clamp(32px, 4vw, 50px);
  font-weight: 900; letter-spacing: -1.5px;
  line-height: 1.15; margin-bottom: 18px;
  color: var(--t1); word-break: keep-all;
}

.section-desc {
  font-size: 16px; color: var(--t2);
  max-width: 500px; line-height: 1.9; word-break: keep-all;
}

.sec-hd { margin-bottom: 72px; }

/* ====================================
   ABOUT / BRAND INTRO
==================================== */
.about-inner { max-width: 820px; }
.about .section-title .accent { color: var(--purple); }
.about-lead {
  font-size: 19px; color: var(--t1); font-weight: 700;
  line-height: 1.8; margin: 28px 0 24px;
  word-break: keep-all;
}
.about-body {
  font-size: 16px; color: var(--t2);
  line-height: 2; word-break: keep-all;
}

/* ====================================
   SERVICES
==================================== */
.services-wrap {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line); border-radius: 24px; overflow: hidden;
  background: var(--line2);
  gap: 1px;
}

.svc-card {
  background: var(--bg-2);
  padding: 48px 40px;
  position: relative; overflow: hidden;
  transition: background 0.3s;
}
.svc-card:hover { background: var(--bg-3); }

.svc-card::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, var(--purple-line), transparent);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s;
}
.svc-card:hover::after { transform: scaleX(1); }

.svc-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--purple-lo);
  border: 1px solid var(--purple-line);
  color: var(--purple); font-size: 10px; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 4px 10px; border-radius: 4px; margin-bottom: 28px;
}

.svc-card h3 {
  font-size: 22px; font-weight: 800;
  letter-spacing: -0.5px; margin-bottom: 6px; color: var(--t1);
}

.svc-rule {
  width: 40px; height: 2px;
  background: var(--purple); border-radius: 2px;
  margin: 16px 0; transition: width 0.3s;
}
.svc-card:hover .svc-rule { width: 64px; }

.svc-card p { font-size: 14px; color: var(--t2); line-height: 1.9; word-break: keep-all; }

.svc-tag, .svc-card h3, .svc-rule, .svc-card p {
  position: relative;
  z-index: 1;
}

.svc-num {
  position: absolute; top: 28px; right: 32px;
  font-size: 72px; font-weight: 900;
  color: var(--t4); letter-spacing: -4px; line-height: 1;
  opacity: 0.5;
  pointer-events: none; user-select: none;
  z-index: 0;
}

/* ====================================
   FEATURES
==================================== */
.features { background: var(--bg-2); }

.feat-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: 20px; overflow: hidden;
}

.feat-item {
  display: flex; gap: 20px; align-items: flex-start;
  padding: 32px 28px;
  background: var(--bg);
  transition: background 0.2s;
}
.feat-item:hover { background: var(--bg-3); }

.feat-no {
  width: 34px; height: 34px; min-width: 34px;
  background: var(--bg-3); border: 1px solid var(--line);
  border-radius: 8px; display: flex; align-items: center;
  justify-content: center; font-size: 11px; font-weight: 800;
  color: var(--purple); letter-spacing: 0;
}

.feat-item h3 { font-size: 15px; font-weight: 700; margin-bottom: 7px; color: var(--t1); }
.feat-item p { font-size: 13px; color: var(--t2); line-height: 1.8; word-break: keep-all; }

/* ====================================
   HOW IT WORKS
==================================== */
.steps-row {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 2px; background: var(--line);
  border: 1px solid var(--line); border-radius: 20px; overflow: hidden;
}

.step-item {
  background: var(--bg-2); padding: 40px 32px;
  position: relative; transition: background 0.2s;
}
.step-item:hover { background: var(--bg-3); }

.step-no {
  font-size: 52px; font-weight: 900;
  color: var(--t4); letter-spacing: -3px; line-height: 1;
  margin-bottom: 20px;
}
/* 활성 스텝은 오렌지 */
.step-item:nth-child(1) .step-no { color: var(--purple); opacity: 0.6; }

.step-item h3 { font-size: 16px; font-weight: 700; margin-bottom: 10px; color: var(--t1); }
.step-item p { font-size: 13px; color: var(--t2); line-height: 1.8; word-break: keep-all; }

/* ====================================
   DOWNLOAD CTA
==================================== */
.dl-section {
  position: relative; overflow: hidden;
  border-top: 1px solid var(--line);
  padding: 120px 0;
  text-align: center;
}

.dl-glow {
  position: absolute; top: -100px; left: 50%; transform: translateX(-50%);
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, rgba(177,77,232,0.14) 0%, transparent 65%);
  pointer-events: none;
}

.dl-section .eyebrow { justify-content: center; }
.dl-section .section-title { margin: 0 auto 16px; }
.dl-section .section-desc { margin: 0 auto 48px; text-align: center; }
.dl-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }

/* ====================================
   FOOTER
==================================== */
footer {
  background: var(--bg); border-top: 1px solid var(--line);
  padding: 72px 0 40px;
}

.foot-top {
  display: grid; grid-template-columns: 2.2fr 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 60px;
}

.foot-brand { font-size: 22px; font-weight: 900; letter-spacing: 4px; color: var(--t1); margin-bottom: 16px; }
.foot-logo-img { height: 52px; width: 52px; display: block; }
.foot-desc { font-size: 13px; color: var(--t3); line-height: 1.95; }

.foot-col h4 {
  font-size: 10px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 2px; color: var(--t4); margin-bottom: 20px;
}
.foot-col ul { list-style: none; }
.foot-col ul li { margin-bottom: 12px; }
.foot-col ul li a { font-size: 13px; color: var(--t3); transition: color 0.2s; }
.foot-col ul li a:hover { color: var(--t1); }

.foot-bottom {
  border-top: 1px solid var(--line); padding-top: 28px;
  display: flex; justify-content: space-between;
  align-items: flex-start; flex-wrap: wrap; gap: 16px;
}
.foot-info { font-size: 12px; color: var(--t3); line-height: 2.1; }
.foot-info strong { color: var(--t2); font-weight: 600; }
.foot-copy { font-size: 12px; color: var(--t4); }

/* ====================================
   INNER PAGES
==================================== */
.page-hero {
  padding: 150px 0 80px;
  border-bottom: 1px solid var(--line); margin-bottom: 80px;
}
.page-hero .eyebrow { margin-bottom: 16px; }
.page-hero h1 {
  font-size: clamp(36px, 5vw, 56px); font-weight: 900;
  letter-spacing: -1.5px; margin-bottom: 10px; color: var(--t1);
}
.page-hero p { font-size: 14px; color: var(--t3); letter-spacing: 0.3px; }

.doc-content { max-width: 720px; margin: 0 auto; padding-bottom: 120px; }

.doc-content h2 {
  font-size: 17px; font-weight: 700; margin: 52px 0 16px;
  padding-bottom: 12px; border-bottom: 1px solid var(--line);
  color: var(--t1); letter-spacing: -0.3px;
}
.doc-content h3 { font-size: 14px; font-weight: 700; margin: 24px 0 8px; color: var(--t1); }
.doc-content p { font-size: 14px; color: var(--t2); line-height: 1.95; margin-bottom: 14px; word-break: keep-all; }
.doc-content ul, .doc-content ol { margin: 10px 0 20px 18px; }
.doc-content li { font-size: 14px; color: var(--t2); line-height: 1.9; margin-bottom: 6px; }
.doc-content .date-tag {
  display: inline-block; font-size: 11px; color: var(--t3);
  border: 1px solid var(--line); padding: 5px 14px;
  border-radius: 6px; margin-bottom: 44px; letter-spacing: 0.5px;
}

/* SUPPORT */
.faq-list { max-width: 720px; margin: 0 auto 80px; }
.faq-item { border-bottom: 1px solid var(--line); }

.faq-q {
  width: 100%; background: transparent; border: none;
  color: var(--t1); text-align: left; padding: 22px 0;
  font-size: 15px; font-weight: 600; cursor: pointer;
  display: flex; justify-content: space-between;
  align-items: center; gap: 20px;
  transition: color 0.2s; font-family: inherit;
  letter-spacing: -0.2px; word-break: keep-all;
}
.faq-q:hover { color: var(--purple); }

.faq-arrow { font-size: 14px; color: var(--t4); transition: transform 0.3s, color 0.2s; flex-shrink: 0; }
.faq-item.open .faq-arrow { transform: rotate(180deg); color: var(--purple); }

.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s;
  font-size: 14px; color: var(--t2); line-height: 1.9;
}
.faq-item.open .faq-a { max-height: 320px; padding: 0 0 24px; }

.contact-card {
  max-width: 720px; margin: 0 auto;
  border: 1px solid var(--line); border-radius: 20px; padding: 52px;
  text-align: center; background: var(--bg-2);
}
.contact-card h3 { font-size: 22px; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 12px; color: var(--t1); }
.contact-card p { font-size: 14px; color: var(--t2); margin-bottom: 32px; line-height: 1.8; }
.contact-email {
  display: inline-flex; align-items: center; gap: 10px;
  border: 1px solid var(--purple-line); color: var(--purple);
  padding: 14px 28px; border-radius: 10px;
  font-size: 15px; font-weight: 700; transition: all 0.2s;
}
.contact-email:hover { background: var(--purple-lo); transform: translateY(-2px); }
.resp-time { margin-top: 14px; font-size: 12px; color: var(--t4); }

/* ====================================
   RESPONSIVE
==================================== */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 60px; text-align: center; padding: 80px 0; }
  .hero-btns { justify-content: center; }
  .hero-visual { justify-content: center; order: -1; }
  .phone-frame { width: 220px; height: 440px; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .stat-cell { border-bottom: 1px solid var(--line); }
  .stat-cell:nth-child(n+3) { border-top: none; }
  .services-wrap { grid-template-columns: 1fr; }
  .feat-grid { grid-template-columns: 1fr; }
  .steps-row { grid-template-columns: repeat(2, 1fr); }
  .foot-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  nav { display: none; }
  nav.open {
    display: flex; flex-direction: column;
    position: fixed; top: 68px; left: 0; right: 0;
    background: var(--bg-2); border-bottom: 1px solid var(--line);
    padding: 20px 32px; gap: 2px;
  }
  nav.open a { padding: 12px 8px; }
  .hamburger { display: flex; }
}

@media (max-width: 600px) {
  .container { padding: 0 20px; }
  section { padding: 80px 0; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .steps-row { grid-template-columns: 1fr; }
  .foot-top { grid-template-columns: 1fr; }
  .foot-bottom { flex-direction: column; }
  .contact-card { padding: 32px 20px; }
  .svc-num { display: none; }
}