:root {
  --ink: #101214;
  --concrete: #f7f8f3;
  --line: #dce0d5;
  --muted: #586058;
  --white: #ffffff;
  --safety: #f5c542;
  --blue: #1f72b8;
  --deep: #20302d;
  --shadow: 0 22px 70px rgba(61, 75, 62, 0.16);
  --text-outline-dark: rgba(4, 8, 12, 0.96);
  --text-outline-light: rgba(255, 255, 255, 0.98);
  --headline-halo:
    -3px -3px 0 rgba(255, 255, 255, 0.98),
    0 -3px 0 rgba(255, 255, 255, 0.98),
    3px -3px 0 rgba(255, 255, 255, 0.98),
    -3px 0 0 rgba(255, 255, 255, 0.98),
    3px 0 0 rgba(255, 255, 255, 0.98),
    -3px 3px 0 rgba(255, 255, 255, 0.98),
    0 3px 0 rgba(255, 255, 255, 0.98),
    3px 3px 0 rgba(255, 255, 255, 0.98),
    5px 8px 0 rgba(71, 83, 80, 0.22),
    0 20px 46px rgba(7, 16, 24, 0.16);
  --brand-halo:
    -2px -2px 0 rgba(255, 255, 255, 0.98),
    0 -2px 0 rgba(255, 255, 255, 0.98),
    2px -2px 0 rgba(255, 255, 255, 0.98),
    -2px 0 0 rgba(255, 255, 255, 0.98),
    2px 0 0 rgba(255, 255, 255, 0.98),
    -2px 2px 0 rgba(255, 255, 255, 0.98),
    0 2px 0 rgba(255, 255, 255, 0.98),
    2px 2px 0 rgba(255, 255, 255, 0.98),
    0 12px 26px rgba(7, 16, 24, 0.12);
  color: var(--ink);
  font-family: "Noto Sans KR", sans-serif;
  background: var(--concrete);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

[id] {
  scroll-margin-top: 96px;
}

body {
  margin: 0;
  min-width: 320px;
  word-break: keep-all;
  overflow-wrap: break-word;
  background:
    linear-gradient(90deg, rgba(65, 84, 64, 0.055) 1px, transparent 1px) 0 0 / 72px 72px,
    var(--concrete);
}

img,
video {
  display: block;
  max-width: 100%;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 18px clamp(16px, 4vw, 58px);
  color: var(--ink);
  background: linear-gradient(180deg, rgba(247, 248, 243, 0.96), rgba(247, 248, 243, 0.76), rgba(247, 248, 243, 0));
}

.brand {
  font-family: "Black Han Sans", "Noto Sans KR", sans-serif;
  font-size: clamp(1.55rem, 2.8vw, 2.5rem);
  letter-spacing: 0;
  paint-order: stroke fill;
  -webkit-text-stroke: 1.15px var(--text-outline-light);
  text-shadow: var(--brand-halo);
}

.nav {
  display: flex;
  gap: clamp(18px, 4vw, 46px);
  font-size: 0.86rem;
  font-weight: 800;
}

.nav a,
.call-button {
  paint-order: stroke fill;
  -webkit-text-stroke: 0.35px var(--text-outline-light);
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.78),
    0 8px 18px rgba(7, 16, 24, 0.12);
}

.call-button {
  justify-self: end;
  padding: 12px 16px;
  border: 1px solid rgba(16, 18, 20, 0.42);
  font-weight: 900;
}

.hero {
  position: relative;
  min-height: max(900px, 100svh);
  overflow: hidden;
  display: grid;
  align-items: start;
  color: var(--ink);
}

.hero > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(247, 248, 243, 0.92), rgba(247, 248, 243, 0.62) 48%, rgba(247, 248, 243, 0.16) 74%),
    linear-gradient(0deg, rgba(247, 248, 243, 0.82), rgba(255, 255, 255, 0.08) 56%);
}

.hero-copy {
  position: relative;
  z-index: 2;
  width: min(920px, calc(100% - 32px));
  margin: clamp(158px, 18vh, 220px) 0 clamp(118px, 13vh, 158px) clamp(16px, 7vw, 96px);
  animation: lift 720ms ease both;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--safety);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  paint-order: stroke fill;
  -webkit-text-stroke: 0.35px var(--text-outline-light);
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.92),
    0 8px 20px rgba(7, 16, 24, 0.16);
}

h1,
h2 {
  margin: 0;
  font-family: "Black Han Sans", "Noto Sans KR", sans-serif;
  line-height: 0.98;
  letter-spacing: 0;
  text-wrap: balance;
}

h1 {
  font-size: clamp(3.2rem, 6.9vw, 6.9rem);
}

h2 {
  font-size: clamp(2.2rem, 5.4vw, 5.8rem);
}

h3 {
  margin: 0;
  letter-spacing: 0;
}

.hero-copy h1,
.section-head h2,
.quote-copy h2,
.video-row h3 {
  paint-order: stroke fill;
}

.hero-copy h1 {
  color: var(--ink);
  -webkit-text-stroke: 3.2px var(--text-outline-light);
  text-shadow: var(--headline-halo);
}

.section-head h2,
.quote-copy h2 {
  -webkit-text-stroke: 3px var(--text-outline-light);
  text-shadow: var(--headline-halo);
}

.proof .section-head h2,
.proof .video-row h3 {
  -webkit-text-stroke: 3px var(--text-outline-light);
  text-shadow: var(--headline-halo);
}

.hero-copy p:not(.eyebrow) {
  max-width: 680px;
  margin: 26px 0 0;
  color: rgba(16, 18, 20, 0.86);
  font-size: clamp(1rem, 1.4vw, 1.3rem);
  font-weight: 800;
  line-height: 1.8;
  paint-order: stroke fill;
  -webkit-text-stroke: 0.25px rgba(255, 255, 255, 0.82);
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.9),
    0 10px 24px rgba(7, 16, 24, 0.12);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid currentColor;
  border-radius: 0;
  font-weight: 900;
  cursor: pointer;
}

.button.primary {
  border-color: var(--safety);
  color: var(--ink);
  background: var(--safety);
}

.button:disabled {
  cursor: wait;
  opacity: 0.66;
}

.button.ghost {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.34);
  paint-order: stroke fill;
  -webkit-text-stroke: 0.22px var(--text-outline-light);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.86);
}

.hero-strip {
  position: absolute;
  inset: auto 0 0;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(16, 18, 20, 0.14);
  background: rgba(255, 255, 255, 0.76);
  backdrop-filter: blur(10px);
}

.hero-strip span {
  padding: 18px;
  color: var(--ink);
  text-align: center;
  font-weight: 900;
  border-right: 1px solid rgba(16, 18, 20, 0.12);
  paint-order: stroke fill;
  -webkit-text-stroke: 0.2px var(--text-outline-light);
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.9),
    0 8px 18px rgba(7, 16, 24, 0.1);
}

.trust-bar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.trust-bar div {
  padding: 28px clamp(18px, 4vw, 48px);
  background: var(--white);
}

.trust-bar strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.2rem;
}

.trust-bar span {
  color: var(--muted);
}

.section {
  padding: clamp(72px, 10vw, 140px) clamp(16px, 5vw, 80px);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(300px, 0.5fr);
  gap: 28px;
  align-items: end;
  margin-bottom: 44px;
}

.section-head.compact {
  grid-template-columns: 1fr;
  max-width: 880px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service-grid--six {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-grid article {
  background: var(--white);
}

.service-grid img {
  width: 100%;
  aspect-ratio: 1 / 0.82;
  object-fit: cover;
}

.service-grid div {
  padding: clamp(22px, 2.6vw, 32px);
}

.service-grid span {
  display: block;
  margin-bottom: 24px;
  color: var(--blue);
  font-size: 2rem;
  font-weight: 900;
}

.service-grid h3 {
  margin-bottom: 14px;
  font-size: 1.25rem;
}

.service-grid p,
.video-row p,
.steps p,
.quote-copy p {
  color: var(--muted);
  line-height: 1.75;
}

.service-grid p {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.74;
}

.proof {
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(247, 248, 243, 0.92)),
    var(--concrete);
}

.proof .section-head h2,
.proof h3 {
  color: var(--ink);
}

.proof-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.proof-tabs button {
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: var(--white);
  font-weight: 900;
  cursor: pointer;
  paint-order: stroke fill;
  -webkit-text-stroke: 0.2px var(--text-outline-light);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.9);
}

.proof-tabs button.is-active {
  border-color: var(--safety);
  color: var(--ink);
  background: var(--safety);
  -webkit-text-stroke: 0;
  text-shadow: none;
}

.proof-gallery {
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: var(--shadow);
}

.proof-panel {
  display: none;
}

.proof-panel.is-active {
  display: block;
}

.proof-panel-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: end;
  padding: 20px clamp(16px, 3vw, 28px);
  border-bottom: 1px solid var(--line);
}

.proof-panel-head span {
  color: var(--safety);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.proof-panel-head strong {
  font-size: clamp(1.1rem, 2vw, 1.8rem);
}

.proof-slider-shell {
  position: relative;
}

.proof-slider-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: clamp(280px, 34vw, 560px);
  gap: 12px;
  overflow-x: auto;
  padding: 18px;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: rgba(245, 197, 66, 0.82) rgba(32, 48, 45, 0.12);
}

.proof-slider-track figure {
  position: relative;
  min-height: 430px;
  margin: 0;
  overflow: hidden;
  scroll-snap-align: start;
  background: var(--concrete);
}

.proof-slider-track img {
  width: 100%;
  height: 100%;
  min-height: 430px;
  object-fit: cover;
  transition: transform 360ms ease;
}

.proof-slider-track figure:hover img {
  transform: scale(1.035);
}

.proof-slider-track figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 42px 18px 18px;
  color: var(--white);
  background: linear-gradient(0deg, rgba(4, 8, 12, 0.88), rgba(4, 8, 12, 0));
  font-weight: 900;
  paint-order: stroke fill;
  -webkit-text-stroke: 0.35px var(--text-outline-dark);
  text-shadow: 0 1px 0 rgba(4, 8, 12, 0.92);
}

.slider-arrow {
  position: absolute;
  top: 50%;
  z-index: 4;
  display: grid;
  place-items: center;
  width: 48px;
  height: 64px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  color: var(--white);
  background: rgba(4, 8, 12, 0.72);
  font-size: 2.4rem;
  line-height: 1;
  transform: translateY(-50%);
  cursor: pointer;
}

.slider-arrow.prev {
  left: 18px;
}

.slider-arrow.next {
  right: 18px;
}

.video-row {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(420px, 1fr);
  gap: clamp(26px, 5vw, 70px);
  align-items: center;
  margin-top: 58px;
}

.video-row video {
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 320px;
  height: auto;
  max-height: 620px;
  object-fit: cover;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.video-row h3 {
  font-family: "Black Han Sans", "Noto Sans KR", sans-serif;
  font-size: clamp(1.8rem, 3.7vw, 4rem);
  line-height: 1.08;
}

.process {
  background: var(--white);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.steps li {
  min-height: 260px;
  padding: 28px;
  background: var(--concrete);
}

.steps span {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 34px;
  color: var(--ink);
  background: var(--safety);
  font-weight: 900;
}

.steps strong {
  display: block;
  margin-bottom: 12px;
  font-size: 1.2rem;
}

.quote {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(340px, 0.72fr);
  gap: clamp(30px, 7vw, 110px);
  background:
    linear-gradient(135deg, rgba(245, 197, 66, 0.16), transparent 38%),
    var(--concrete);
}

.phone-link {
  display: inline-block;
  margin: 24px 0 10px;
  font-size: clamp(2rem, 5vw, 4.6rem);
  font-weight: 900;
  color: var(--blue);
}

.quote-copy span {
  display: block;
  color: var(--muted);
}

.quote-form {
  display: grid;
  gap: 16px;
  padding: clamp(22px, 4vw, 42px);
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.quote-form label {
  display: grid;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 900;
}

.quote-form input,
.quote-form select,
.quote-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--concrete);
  color: var(--ink);
  padding: 14px 15px;
  outline: none;
}

.quote-form option {
  color: var(--ink);
}

.quote-form input:focus,
.quote-form select:focus,
.quote-form textarea:focus {
  border-color: var(--safety);
}

.quote-note {
  min-height: 1.4em;
  margin: 0;
  color: var(--muted);
}

.sticky-call {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 18;
  display: none;
  padding: 14px 18px;
  color: var(--ink);
  background: var(--safety);
  box-shadow: var(--shadow);
  font-weight: 900;
}

.mobile-action-bar {
  display: none;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 30px clamp(16px, 5vw, 80px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer strong {
  color: var(--ink);
}

@keyframes lift {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav {
    display: none;
  }

  .hero-strip,
  .trust-bar,
  .service-grid,
  .service-grid--six,
  .steps,
  .section-head,
  .video-row,
  .quote {
    grid-template-columns: 1fr;
  }

  .hero-strip {
    position: relative;
  }

  .hero {
    min-height: auto;
  }

  .hero-copy {
    margin: 130px 16px 60px;
  }

  .proof-panel-head {
    align-items: start;
    flex-direction: column;
  }

  .proof-slider-track {
    grid-auto-columns: clamp(280px, 72vw, 680px);
  }

  .proof-slider-track figure,
  .proof-slider-track img {
    min-height: 360px;
  }

  .video-row video {
    max-height: 480px;
  }
}

@media (max-width: 620px) {
  body {
    padding-bottom: 72px;
  }

  .site-header {
    padding: 14px 16px;
  }

  .brand {
    font-size: 1.35rem;
  }

  .hero-copy {
    margin: 112px 16px 48px;
  }

  h1 {
    font-size: clamp(2.65rem, 12.4vw, 3.25rem);
    line-height: 1.03;
  }

  h2 {
    font-size: clamp(2rem, 10.2vw, 3rem);
    line-height: 1.04;
  }

  .video-row h3 {
    font-size: clamp(1.75rem, 8.6vw, 2.55rem);
    line-height: 1.08;
  }

  .mobile-action-bar {
    position: fixed;
    inset: auto 0 0;
    z-index: 30;
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-top: 1px solid rgba(7, 16, 24, 0.18);
    box-shadow: 0 -10px 30px rgba(7, 16, 24, 0.18);
  }

  .mobile-action-bar a {
    display: grid;
    place-items: center;
    min-height: 56px;
    font-weight: 900;
    background: var(--safety);
  }

  .mobile-action-bar a + a {
    color: var(--white);
    background: var(--deep);
  }

  .call-button {
    padding: 9px 10px;
    font-size: 0.8rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-copy h1,
  .section-head h2,
  .quote-copy h2,
  .video-row h3 {
    -webkit-text-stroke-width: 1.35px;
    text-shadow:
      -2px -2px 0 rgba(255, 255, 255, 0.98),
      0 -2px 0 rgba(255, 255, 255, 0.98),
      2px -2px 0 rgba(255, 255, 255, 0.98),
      -2px 0 0 rgba(255, 255, 255, 0.98),
      2px 0 0 rgba(255, 255, 255, 0.98),
      -2px 2px 0 rgba(255, 255, 255, 0.98),
      0 2px 0 rgba(255, 255, 255, 0.98),
      2px 2px 0 rgba(255, 255, 255, 0.98),
      3px 5px 0 rgba(71, 83, 80, 0.22),
      0 14px 32px rgba(7, 16, 24, 0.14);
  }

  .proof .section-head h2,
  .proof .video-row h3 {
    -webkit-text-stroke-width: 1.35px;
  }

  .proof-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .proof-tabs button {
    padding: 0 10px;
    font-size: 0.9rem;
  }

  .service-grid p {
    font-size: 0.94rem;
    line-height: 1.7;
  }

  .proof-slider-track {
    grid-auto-columns: clamp(250px, 86vw, 380px);
    padding: 12px;
  }

  .proof-slider-track figure,
  .proof-slider-track img {
    min-height: 320px;
  }

  .slider-arrow {
    width: 40px;
    height: 54px;
    font-size: 2rem;
  }

  .slider-arrow.prev {
    left: 12px;
  }

  .slider-arrow.next {
    right: 12px;
  }

  .footer {
    flex-direction: column;
  }
}