:root {
  --bg: #060807;
  --bg-soft: #0d1110;
  --surface: #111716;
  --surface-2: #161d1b;
  --line: rgba(226, 241, 232, 0.14);
  --text: #f3fbf6;
  --muted: #a7b7ae;
  --accent: #28e86f;
  --accent-2: #d8f7df;
  --danger: #ff6f61;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.38);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 82% 10%, rgba(40, 232, 111, 0.16), transparent 32rem),
    linear-gradient(180deg, #070a09 0%, #050706 48%, #080c0a 100%);
  color: var(--text);
  font-family: "Inter", "Noto Sans KR", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  letter-spacing: 0;
  word-break: keep-all;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.026) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black 0%, transparent 82%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(var(--max), calc(100% - 40px));
  min-height: 76px;
  margin: 0 auto;
  border-bottom: 1px solid var(--line);
  background: rgba(6, 8, 7, 0.84);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  font-size: 19px;
  font-weight: 500;
}

.brand strong {
  color: var(--accent);
  font-weight: 900;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.nav-links a,
.text-button {
  transition: color 160ms ease;
}

.nav-links a:hover,
.text-button:hover {
  color: var(--accent);
}

.header-cta,
.primary-button,
.text-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 0;
  font-family: inherit;
  font-size: 15px;
  font-weight: 900;
  cursor: pointer;
}

.header-cta,
.primary-button {
  border-radius: 7px;
  background: var(--accent);
  color: #041008;
  box-shadow: 0 14px 30px rgba(40, 232, 111, 0.24);
}

.header-cta {
  min-height: 42px;
  padding: 0 18px;
  font-size: 14px;
}

.primary-button {
  padding: 0 24px;
}

.text-button {
  color: var(--accent-2);
}

.section-frame,
.proof-band,
.split-section,
.fit-section,
.monitor-section,
.contact-section {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1fr);
  align-items: center;
  gap: 56px;
  min-height: calc(100svh - 76px);
  padding: 72px 0 90px;
}

.line-kicker,
.section-label {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 900;
}

.hero h1,
.proof-head h2,
.split-section h2,
.fit-copy h2,
.monitor-section h2,
.contact-copy h2 {
  margin: 0;
  max-width: 880px;
  font-weight: 900;
  line-height: 1.04;
}

.hero h1 {
  font-size: clamp(46px, 6vw, 84px);
}

.hero-lead {
  max-width: 620px;
  margin: 30px 0 0;
  color: #d4ded8;
  font-size: clamp(19px, 2.1vw, 25px);
  font-weight: 700;
  line-height: 1.52;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 38px;
}

.risk-note {
  margin: 18px 0 0;
  color: #84958b;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.6;
}

.terminal-wall {
  display: grid;
  gap: 16px;
  perspective: 1400px;
}

.screen {
  border: 1px solid rgba(216, 247, 223, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(25, 34, 31, 0.92), rgba(9, 13, 12, 0.98)),
    radial-gradient(circle at 30% 0%, rgba(40, 232, 111, 0.18), transparent 20rem);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.screen-large {
  min-height: 410px;
  transform: rotateY(-8deg) rotateX(2deg);
}

.screen-top {
  display: flex;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.screen-top span:last-child {
  color: var(--accent);
}

.chart {
  display: block;
  width: 100%;
  height: auto;
  padding: 30px 18px 14px;
}

.area {
  fill: url("#chartGlow");
}

.line {
  fill: none;
  stroke: var(--accent);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 6;
  filter: drop-shadow(0 0 14px rgba(40, 232, 111, 0.54));
}

.bars rect {
  fill: rgba(216, 247, 223, 0.36);
}

.screen-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 16px;
}

.code-lines {
  display: grid;
  gap: 13px;
  padding: 24px;
  color: #9ff9bd;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
}

.metrics {
  display: grid;
  place-items: center;
  padding: 20px;
  text-align: center;
}

.metrics strong {
  color: var(--accent);
  font-size: 34px;
  font-weight: 900;
}

.metrics span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.proof-band {
  padding: 90px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.proof-head {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 52px;
  align-items: end;
}

.proof-head h2,
.split-section h2,
.fit-copy h2,
.monitor-section h2,
.contact-copy h2 {
  font-size: clamp(34px, 4vw, 58px);
}

.proof-head p,
.split-section p,
.fit-copy p,
.monitor-section p,
.contact-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.75;
}

.proof-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 46px;
}

.proof-list div {
  min-height: 210px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(17, 23, 22, 0.78);
}

.proof-list strong {
  display: block;
  margin-top: 22px;
  font-size: 22px;
}

.proof-list p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.icon-check {
  position: relative;
  display: inline-block;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(40, 232, 111, 0.45);
  border-radius: 50%;
  background: rgba(40, 232, 111, 0.06);
}

.icon-check::after {
  position: absolute;
  left: 11px;
  top: 9px;
  width: 11px;
  height: 17px;
  border-bottom: 3px solid var(--accent);
  border-right: 3px solid var(--accent);
  content: "";
  transform: rotate(42deg);
}

.split-section,
.monitor-section,
.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.85fr);
  gap: 70px;
  align-items: center;
  padding: 110px 0;
}

.split-section p + p {
  margin-top: 22px;
}

.dial-panel {
  min-height: 520px;
  padding: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    radial-gradient(circle at center, rgba(40, 232, 111, 0.2), transparent 15rem),
    linear-gradient(160deg, rgba(22, 29, 27, 0.98), rgba(7, 10, 9, 0.96));
  box-shadow: var(--shadow);
}

.dial {
  display: grid;
  place-items: center;
  min-height: 360px;
  border: 1px solid rgba(216, 247, 223, 0.18);
  border-radius: 50%;
  text-align: center;
}

.dial span {
  color: var(--accent);
  font-size: 52px;
  font-weight: 900;
}

.dial strong {
  color: #f8fff9;
  font-size: 26px;
  line-height: 1.2;
}

.dial-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 26px;
}

.dial-stats span {
  padding: 14px 8px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
  text-align: center;
}

.fit-section {
  display: grid;
  grid-template-columns: 0.82fr 1fr;
  gap: 70px;
  align-items: start;
  padding: 105px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.reject-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.reject-list li {
  position: relative;
  min-height: 76px;
  padding: 24px 26px 24px 58px;
  border: 1px solid rgba(255, 111, 97, 0.24);
  border-radius: 8px;
  background: rgba(255, 111, 97, 0.05);
  color: #ffe5e1;
  font-size: 22px;
  font-weight: 900;
}

.reject-list li::before {
  position: absolute;
  left: 25px;
  top: 28px;
  width: 14px;
  height: 14px;
  border: 2px solid var(--danger);
  border-radius: 50%;
  content: "";
}

.monitor-section {
  align-items: stretch;
}

.live-console {
  display: grid;
  gap: 12px;
  align-content: center;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0a0f0d;
  box-shadow: var(--shadow);
}

.console-row {
  display: grid;
  grid-template-columns: 86px 1fr 80px;
  gap: 14px;
  align-items: center;
  padding: 17px 18px;
  border: 1px solid rgba(216, 247, 223, 0.11);
  background: rgba(255, 255, 255, 0.025);
  font-family: "SFMono-Regular", Consolas, monospace;
}

.console-row span {
  color: #7e9186;
  font-size: 12px;
}

.console-row strong {
  font-size: 13px;
}

.console-row em {
  color: var(--accent);
  font-size: 12px;
  font-style: normal;
  font-weight: 900;
  text-align: right;
}

.contact-section {
  padding-bottom: 120px;
}

.contact-email {
  margin-top: 24px !important;
  color: var(--accent-2) !important;
  font-weight: 900 !important;
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: 30px;
  border: 1px solid rgba(40, 232, 111, 0.28);
  border-radius: 8px;
  background: rgba(17, 23, 22, 0.9);
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 9px;
  color: #d8e7dd;
  font-size: 14px;
  font-weight: 900;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(216, 247, 223, 0.16);
  border-radius: 7px;
  background: #080c0a;
  color: var(--text);
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  outline: none;
}

.contact-form input,
.contact-form select {
  height: 52px;
  padding: 0 15px;
}

.contact-form textarea {
  min-height: 132px;
  padding: 15px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: rgba(40, 232, 111, 0.72);
  box-shadow: 0 0 0 4px rgba(40, 232, 111, 0.1);
}

.form-button {
  width: 100%;
  margin-top: 4px;
}

.form-status {
  min-height: 22px;
  margin: 0;
  color: var(--accent-2);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.55;
}

.form-status.error {
  color: #ffaea5;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 36px 0 54px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.6;
}

.site-footer strong {
  color: var(--text);
  font-size: 18px;
}

.site-footer p {
  margin: 6px 0 0;
}

@media (max-width: 940px) {
  .site-header {
    width: min(100% - 28px, var(--max));
  }

  .nav-links {
    display: none;
  }

  .hero,
  .proof-head,
  .split-section,
  .fit-section,
  .monitor-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 40px;
    min-height: auto;
    padding: 54px 0 70px;
  }

  .screen-large {
    min-height: 300px;
    transform: none;
  }

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

  .split-section,
  .fit-section,
  .monitor-section,
  .contact-section,
  .proof-band {
    padding: 72px 0;
  }

  .dial-panel {
    min-height: auto;
  }

  .site-footer {
    display: block;
  }
}

@media (max-width: 620px) {
  .site-header,
  .section-frame,
  .proof-band,
  .split-section,
  .fit-section,
  .monitor-section,
  .contact-section,
  .site-footer {
    width: min(100% - 28px, var(--max));
  }

  .site-header {
    min-height: 66px;
  }

  .brand {
    font-size: 17px;
  }

  .header-cta {
    min-height: 38px;
    padding: 0 12px;
    font-size: 12px;
  }

  .hero h1 {
    font-size: clamp(38px, 12vw, 54px);
  }

  .hero-lead {
    font-size: 18px;
  }

  .hero-actions {
    display: grid;
  }

  .primary-button,
  .text-button {
    width: 100%;
  }

  .proof-head h2,
  .split-section h2,
  .fit-copy h2,
  .monitor-section h2,
  .contact-copy h2 {
    font-size: 34px;
    line-height: 1.12;
  }

  .screen-grid,
  .dial-stats,
  .console-row {
    grid-template-columns: 1fr;
  }

  .dial {
    min-height: 250px;
  }

  .dial span {
    font-size: 42px;
  }

  .reject-list li {
    min-height: 68px;
    padding: 21px 20px 21px 50px;
    font-size: 18px;
  }

  .console-row em {
    text-align: left;
  }

  .contact-form {
    padding: 22px;
  }
}