:root {
  --ink: #121417;
  --muted: #606872;
  --soft: #f5f7f9;
  --panel: #ffffff;
  --line: #dfe5eb;
  --green: #0d8a67;
  --green-dark: #086247;
  --coral: #e95f43;
  --gold: #e8aa2e;
  --steel: #6e7d8a;
  --shadow: 0 18px 48px rgba(18, 20, 23, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--soft);
  font-family: Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", Arial, sans-serif;
  letter-spacing: 0;
}

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

button,
input,
select,
textarea {
  font: inherit;
  letter-spacing: 0;
}

svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
  flex: 0 0 auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 68px;
  padding: 12px clamp(16px, 4vw, 56px);
  color: #fff;
  background: rgba(18, 20, 23, 0.56);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: #fff;
  background: var(--green);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 15px;
}

.nav-links a:hover {
  color: #fff;
}

.header-call {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 14px;
  color: #fff;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
}

.hero {
  min-height: 88svh;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(12, 13, 15, 0.86) 0%, rgba(12, 13, 15, 0.68) 43%, rgba(12, 13, 15, 0.16) 74%),
    url("assets/hero-dashcam-install.png") center / cover no-repeat;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 410px);
  align-items: center;
  gap: 36px;
  width: min(1180px, calc(100% - 32px));
  min-height: 88svh;
  margin: 0 auto;
  padding: 92px 0 34px;
}

.hero-copy {
  max-width: 640px;
}

.eyebrow {
  margin: 0 0 12px;
  color: #b9f0df;
  font-size: 14px;
  font-weight: 800;
}

.eyebrow.dark {
  color: var(--green);
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

h1 {
  margin: 0;
  font-size: 56px;
  line-height: 1.08;
}

h2 {
  margin: 0;
  font-size: 34px;
  line-height: 1.18;
}

h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.35;
}

.hero-lead {
  max-width: 570px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 19px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 800;
  line-height: 1.2;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: #fff;
  background: var(--green);
  border-color: var(--green);
}

.button.primary:hover {
  background: var(--green-dark);
}

.button.secondary {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.32);
}

.button.full {
  width: 100%;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 530px;
  margin: 30px 0 0;
}

.hero-stats div {
  padding: 16px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
}

.hero-stats dt {
  font-size: 22px;
  font-weight: 900;
}

.hero-stats dd {
  margin: 5px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.quick-panel,
.booking-form {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.46);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.quick-panel {
  display: grid;
  gap: 14px;
  padding: 22px;
  color: var(--ink);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.panel-head h2 {
  font-size: 24px;
}

.panel-head span {
  padding: 7px 10px;
  color: var(--green-dark);
  background: #e8f7f1;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 800;
}

label,
fieldset {
  display: grid;
  gap: 8px;
  min-width: 0;
  margin: 0;
}

label > span,
legend {
  color: #39414a;
  font-size: 14px;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  padding: 0 12px;
  color: var(--ink);
  background: #fff;
  border: 1px solid #cad3dc;
  border-radius: 8px;
  outline: none;
}

textarea {
  min-height: 102px;
  padding: 12px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(13, 138, 103, 0.14);
}

.band {
  padding: 74px clamp(16px, 4vw, 56px);
}

.section-head,
.service-grid,
.price-layout,
.booking-layout,
.partner-layout {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.section-head {
  margin-bottom: 28px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.service-card {
  display: grid;
  gap: 14px;
  min-height: 226px;
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.service-card svg {
  width: 38px;
  height: 38px;
  color: var(--green);
}

.service-card p,
.price-layout p,
.booking-copy p,
.partner-layout p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.price-band {
  background: #fff;
}

.price-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 42px;
  align-items: center;
}

.price-layout h2,
.booking-copy h2,
.partner-layout h2 {
  margin-bottom: 14px;
}

.price-list {
  display: grid;
  gap: 10px;
}

.price-list div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  background: #f7f9fb;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.price-list strong {
  color: var(--coral);
  white-space: nowrap;
}

.booking-band {
  background: #eef4f1;
}

.booking-layout {
  display: grid;
  grid-template-columns: minmax(280px, 390px) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.booking-copy {
  position: sticky;
  top: 88px;
  display: grid;
  gap: 18px;
}

.summary-box,
.recent-box {
  padding: 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.summary-box {
  display: grid;
  gap: 6px;
}

.summary-box span,
.summary-box small {
  color: var(--muted);
}

.summary-box strong {
  color: var(--green-dark);
  font-size: 28px;
}

.recent-box h3 {
  margin-bottom: 12px;
}

.recent-box ul {
  display: grid;
  gap: 10px;
  min-height: 72px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.recent-box li {
  padding: 12px;
  color: #3c454d;
  background: #f7f9fb;
  border-radius: 8px;
  font-size: 14px;
}

.booking-form {
  display: grid;
  gap: 18px;
  padding: 24px;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

fieldset {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

fieldset legend {
  padding: 0 6px;
}

.check-line {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 8px 10px;
  background: #f7f9fb;
  border-radius: 8px;
}

.check-line input {
  width: 18px;
  height: 18px;
  min-height: 18px;
  accent-color: var(--green);
}

.form-note {
  margin: -4px 0 0;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.partner-band {
  background: #fff;
}

.partner-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 42px;
  align-items: center;
}

.partner-points {
  display: grid;
  gap: 12px;
}

.partner-points div {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px;
  background: #f7f9fb;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.partner-points strong {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: #fff;
  background: var(--coral);
  border-radius: 8px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 30px clamp(16px, 4vw, 56px);
  color: #fff;
  background: #151719;
}

.site-footer div {
  display: grid;
  gap: 5px;
}

.site-footer span {
  color: rgba(255, 255, 255, 0.62);
}

.site-footer a {
  color: #b9f0df;
  font-weight: 800;
}

.confirm-dialog {
  width: min(520px, calc(100% - 32px));
  padding: 0;
  border: 0;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.confirm-dialog::backdrop {
  background: rgba(18, 20, 23, 0.62);
}

.dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 20px 22px;
  border-bottom: 1px solid var(--line);
}

.dialog-head h2 {
  font-size: 23px;
}

.icon-button {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  color: var(--ink);
  background: #f3f5f7;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
}

.confirm-body {
  display: grid;
  gap: 10px;
  padding: 22px;
}

.confirm-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.confirm-row span {
  color: var(--muted);
}

.confirm-dialog .button {
  margin: 0 22px 22px;
  width: calc(100% - 44px);
}

@media (max-width: 960px) {
  .nav-links {
    display: none;
  }

  .hero,
  .hero-inner {
    min-height: 88svh;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    align-content: center;
    gap: 20px;
  }

  .hero-copy {
    max-width: 720px;
  }

  h1 {
    font-size: 42px;
  }

  .hero-lead {
    font-size: 17px;
  }

  .hero-stats {
    display: none;
  }

  .quick-panel {
    max-width: 520px;
  }

  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .price-layout,
  .booking-layout,
  .partner-layout {
    grid-template-columns: 1fr;
  }

  .booking-copy {
    position: static;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 62px;
    padding: 10px 14px;
  }

  .brand span:last-child {
    max-width: 142px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .header-call span {
    display: none;
  }

  .hero {
    min-height: auto;
    background:
      linear-gradient(180deg, rgba(12, 13, 15, 0.86) 0%, rgba(12, 13, 15, 0.66) 56%, rgba(12, 13, 15, 0.3) 100%),
      url("assets/hero-dashcam-install.png") 61% center / cover no-repeat;
  }

  .hero-inner {
    min-height: auto;
    padding: 84px 0 32px;
  }

  h1 {
    font-size: 34px;
  }

  h2 {
    font-size: 27px;
  }

  .hero-lead {
    margin-top: 14px;
    font-size: 16px;
    line-height: 1.62;
  }

  .hero-actions {
    margin-top: 18px;
  }

  .button {
    min-height: 46px;
    padding: 0 14px;
  }

  .quick-panel,
  .booking-form {
    padding: 18px;
  }

  .band {
    padding: 56px 16px;
  }

  .service-grid,
  .field-row,
  fieldset {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: 0;
  }

  .price-list div,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .price-list strong {
    white-space: normal;
  }
}