@font-face {
  font-family: "Pretendard";
  src: url("../fonts/Pretendard-Regular.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Pretendard";
  src: url("../fonts/Pretendard-SemiBold.woff2") format("woff2");
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Pretendard";
  src: url("../fonts/Pretendard-Bold.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Pretendard";
  src: url("../fonts/Pretendard-ExtraBold.woff2") format("woff2");
  font-weight: 800;
  font-display: swap;
}

:root {
  --ink: #101416;
  --ink-2: #182026;
  --muted: #66717a;
  --line: #dce3e8;
  --paper: #f7f9fa;
  --white: #ffffff;
  --cyan: #19c7d4;
  --green: #2fbf71;
  --red: #ec4c35;
  --gold: #e6b85c;
  --shadow: 0 24px 70px rgba(12, 22, 28, 0.16);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Pretendard", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  letter-spacing: 0;
  word-break: keep-all;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(16, 20, 22, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 20, 22, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, transparent, #000 18%, #000 78%, transparent);
  z-index: -1;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 50;
  background: var(--ink);
  color: var(--white);
  padding: 12px 16px;
}

.skip-link:focus {
  top: 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 28px;
  padding: 14px clamp(18px, 4vw, 54px);
  color: var(--white);
  background: rgba(16, 20, 22, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(18px);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.site-header.is-scrolled {
  background: rgba(16, 20, 22, 0.92);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.22);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--ink);
  background: linear-gradient(135deg, var(--cyan), var(--green));
  border-radius: 8px;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 18px;
}

.brand small {
  margin-top: 2px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
}

.site-nav a {
  transition: color 0.2s ease;
}

.site-nav a:hover {
  color: var(--white);
}

.header-call {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
}

.header-call span {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 700;
}

.header-call strong {
  font-size: 18px;
}

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 82svh;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(16, 20, 22, 0.94), rgba(16, 20, 22, 0.66) 44%, rgba(16, 20, 22, 0.18)),
    linear-gradient(0deg, rgba(16, 20, 22, 0.82), rgba(16, 20, 22, 0) 38%),
    url("../img/hero-equipment.jpg") center / cover;
  transform: scale(1.015);
}

.hero-content {
  position: relative;
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 70px 0 48px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--cyan);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(52px, 9vw, 118px);
  line-height: 0.95;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 640px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.7;
}

.hero-actions,
.mobile-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-actions {
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 52px;
  padding: 0 22px;
  border: 0;
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
}

.btn-primary {
  color: var(--ink);
  background: linear-gradient(135deg, var(--cyan), var(--green));
  box-shadow: 0 18px 40px rgba(25, 199, 212, 0.25);
}

.btn-ghost {
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 150px));
  gap: 10px;
  margin: 46px 0 0;
}

.hero-stats div {
  padding: 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
}

.hero-stats dt {
  color: var(--white);
  font-size: 24px;
  font-weight: 800;
}

.hero-stats dd {
  margin: 6px 0 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: min(var(--max), calc(100% - 40px));
  margin: -34px auto 0;
  position: relative;
  z-index: 3;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.trust-item {
  padding: 24px;
}

.trust-item + .trust-item {
  border-left: 1px solid var(--line);
}

.trust-item span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 8px;
}

.trust-item strong {
  font-size: clamp(18px, 2vw, 24px);
}

.section {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 110px 0;
}

.section-split,
.equipment,
.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 110px 0;
}

.section-copy h2,
.section-head h2,
.equipment-copy h2,
.contact-copy h2 {
  margin: 0;
  font-size: clamp(32px, 5vw, 62px);
  line-height: 1.12;
  letter-spacing: 0;
}

.section-copy p:not(.eyebrow),
.equipment-copy p,
.contact-copy p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.proof-grid article,
.service-card,
.review-card,
.contact-form {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 36px rgba(12, 22, 28, 0.08);
}

.proof-grid article {
  padding: 26px;
}

.proof-grid span {
  color: var(--red);
  font-weight: 800;
}

.proof-grid h3,
.service-card h3,
.review-card h3 {
  margin: 16px 0 10px;
  font-size: 22px;
}

.proof-grid p,
.service-card p,
.review-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.section-head {
  max-width: 760px;
  margin-bottom: 34px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.service-card {
  position: relative;
  overflow: hidden;
  min-height: 210px;
  padding: 28px;
}

.service-card::after {
  content: "";
  position: absolute;
  inset: auto 24px 20px 24px;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--green), var(--gold));
}

.equipment {
  width: 100%;
  max-width: none;
  padding-inline: max(20px, calc((100vw - var(--max)) / 2));
  background: var(--ink-2);
  color: var(--white);
}

.equipment-copy p {
  color: rgba(255, 255, 255, 0.72);
}

.equipment-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.equipment-list li {
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
}

.equipment-photo {
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.38);
}

.equipment-photo img {
  width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.review-card {
  overflow: hidden;
}

.review-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.review-card div {
  padding: 22px;
}

.process {
  padding-top: 40px;
}

.process-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-list li {
  min-height: 150px;
  padding: 22px;
  color: var(--white);
  background: var(--ink);
  border-radius: 8px;
}

.process-list span {
  display: block;
  color: var(--cyan);
  font-weight: 800;
  margin-bottom: 26px;
}

.process-list strong {
  font-size: 18px;
  line-height: 1.45;
}

.contact-section {
  width: 100%;
  max-width: none;
  padding-inline: max(20px, calc((100vw - var(--max)) / 2));
  background:
    linear-gradient(135deg, rgba(25, 199, 212, 0.12), rgba(47, 191, 113, 0.08)),
    var(--white);
}

.contact-phone {
  display: inline-flex;
  margin-top: 18px;
  color: var(--red);
  font-size: clamp(32px, 5vw, 58px);
  font-weight: 800;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: clamp(22px, 4vw, 38px);
}

.contact-form label {
  display: grid;
  gap: 8px;
}

.contact-form label span {
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 15px 16px;
  background: #fbfcfd;
  color: var(--ink);
  outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(25, 199, 212, 0.14);
}

.check-row {
  grid-template-columns: 20px 1fr;
  align-items: start;
}

.check-row input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
}

.check-row span {
  color: var(--muted) !important;
  font-weight: 600 !important;
}

.form-success {
  margin: 0;
  padding: 14px 16px;
  color: #09613a;
  background: rgba(47, 191, 113, 0.12);
  border: 1px solid rgba(47, 191, 113, 0.3);
  border-radius: 8px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 20px;
  padding: 34px 20px 104px;
  color: rgba(255, 255, 255, 0.72);
  background: var(--ink);
  font-size: 14px;
}

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

.mobile-actions {
  display: none;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1020px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    display: none;
  }

  .section-split,
  .equipment,
  .contact-section {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 720px) {
  .site-header {
    padding: 12px 16px;
  }

  .brand {
    min-width: 0;
  }

  .brand small,
  .header-call span {
    display: none;
  }

  .brand strong {
    font-size: 16px;
  }

  .header-call {
    padding: 9px 10px;
  }

  .header-call strong {
    font-size: 14px;
  }

  .hero {
    min-height: 78svh;
  }

  .hero-media {
    background:
      linear-gradient(90deg, rgba(16, 20, 22, 0.94), rgba(16, 20, 22, 0.68)),
      linear-gradient(0deg, rgba(16, 20, 22, 0.86), rgba(16, 20, 22, 0) 46%),
      url("../img/hero-equipment.jpg") center / cover;
  }

  .hero-content {
    width: min(100% - 32px, var(--max));
    padding: 56px 0 36px;
  }

  .hero h1 {
    font-size: clamp(46px, 16vw, 72px);
  }

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

  .hero-actions,
  .hero-stats {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-stats {
    display: grid;
  }

  .trust-strip,
  .proof-grid,
  .service-grid,
  .review-grid,
  .process-list,
  .equipment-list {
    grid-template-columns: 1fr;
  }

  .trust-strip {
    margin-top: -18px;
  }

  .trust-item + .trust-item {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .section,
  .section-split,
  .equipment,
  .contact-section {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .process {
    padding-top: 20px;
  }

  .process-list li {
    min-height: 112px;
  }

  .mobile-actions {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 12px;
    z-index: 40;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .mobile-actions a {
    display: grid;
    place-items: center;
    min-height: 52px;
    color: var(--white);
    background: var(--ink);
    border-radius: 8px;
    font-weight: 800;
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.24);
  }

  .mobile-actions a:first-child {
    color: var(--ink);
    background: linear-gradient(135deg, var(--cyan), var(--green));
  }
}