:root {
  --bg: #050816;
  --bg-soft: #0b1020;
  --accent: #1fb6ff;
  --accent-soft: rgba(31, 182, 255, 0.15);
  --accent-2: #22c55e;
  --text: #f9fafb;
  --muted: #9ca3af;
  --card: #0f172a;
  --border: #1f2937;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.75);
  --transition: 200ms ease-out;

  /* Hero 배경 관련 – 밝기/투명도 조절용 */
  --hero-overlay-top: rgba(15, 23, 42, 0.45);
--hero-overlay-bottom: rgba(15, 23, 42, 0.25);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: radial-gradient(circle at top, #111827 0, #020617 38%, #020617 100%);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.shell {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 4rem;
}

/* NAVBAR */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: linear-gradient(
    to bottom,
    rgba(15, 23, 42, 0.96),
    rgba(15, 23, 42, 0.78),
    transparent
  );
  border-bottom: 1px solid rgba(31, 41, 55, 0.4);
}

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1.5rem;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.brand-logo {
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: none;
  border-radius: 0;
  overflow: visible;
  background: none;
}

.brand-logo img {
  height: 100%;
  width: auto;
  object-fit: contain;
  display: block;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.brand-title {
  font-weight: 600;
  font-size: 0.98rem;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.9rem;
}

.nav-links a {
  position: relative;
  color: var(--muted);
  font-weight: 500;
  padding-bottom: 0.1rem;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.3rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width var(--transition);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
}

.nav-phone {
  color: var(--muted);
  font-weight: 500;
  white-space: nowrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.8);
  padding: 0.45rem 1.05rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  background: radial-gradient(circle at 0 0, rgba(15, 23, 42, 0.9), rgba(17, 24, 39, 0.98));
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition),
    background var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  box-shadow: 0 16px 35px rgba(34, 211, 238, 0.35);
  color: #020617;
}

.btn-primary:hover {
  transform: translateY(-1px) scale(1.01);
  box-shadow: 0 20px 40px rgba(56, 189, 248, 0.45);
}

.btn-outline:hover {
  border-color: var(--accent);
  background: radial-gradient(circle at top left, rgba(15, 118, 255, 0.1), rgba(15, 23, 42, 0.98));
}

.btn span.icon {
  font-size: 1rem;
}

.nav-toggle {
  display: none;
  border: 1px solid rgba(148, 163, 184, 0.8);
  border-radius: 999px;
  padding: 0.3rem 0.65rem;
  background: rgba(15, 23, 42, 0.95);
  cursor: pointer;
  font-size: 0.85rem;
}

/* HERO */
.hero {
  position: relative;
  padding-top: 1.8rem;
  padding-bottom: 2.6rem;
  border-radius: var(--radius-xl);
  overflow: hidden;

  /* 여기 두 줄의 색(투명도)을 바꾸면서 밝기 조절 가능 */
  background:
    linear-gradient(
      135deg,
      var(--hero-overlay-top),
      var(--hero-overlay-bottom)
    ),
    url("images/atlanta-bg.jpg") center / cover no-repeat;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: center;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.2rem 0.4rem;
  border-radius: 999px;
  border: 1px solid rgba(55, 65, 81, 0.9);
  background: radial-gradient(circle at left, rgba(56, 189, 248, 0.1), rgba(15, 23, 42, 0.95));
  font-size: 0.73rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 1rem;
}

.hero-kicker-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: radial-gradient(circle, var(--accent), var(--accent-2));
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.75);
}

.hero-title {
  font-size: clamp(2.15rem, 3vw, 2.8rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 0.8rem;
}

.hero-title span.accent {
  background: linear-gradient(120deg, #38bdf8, #a855f7, #22c55e);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  font-size: 0.98rem;
  color: var(--muted);
  max-width: 32rem;
  margin-bottom: 1.4rem;
}

.hero-subtitle-kr {
  font-size: 0.85rem;
  color: #9ca3af;
  margin-bottom: 1.6rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.6rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.86rem;
  color: var(--muted);
}

.hero-meta-item strong {
  display: block;
  color: var(--text);
  font-size: 0.9rem;
}

/* Hero 오른쪽 카드 */
.hero-card {
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.12), #020617);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(31, 41, 55, 0.8);
  padding: 1.4rem 1.4rem 1.3rem;
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.hero-badge-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.pill {
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  padding: 0.18rem 0.65rem;
  background: rgba(15, 23, 42, 0.9);
}

.hero-metric-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  margin-bottom: 1.1rem;
}

.metric-card {
  border-radius: 1rem;
  border: 1px solid rgba(31, 41, 55, 0.9);
  padding: 0.65rem 0.8rem;
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.98));
  font-size: 0.8rem;
}

.metric-label {
  color: var(--muted);
  margin-bottom: 0.2rem;
}

.metric-value {
  font-weight: 600;
  font-size: 0.9rem;
}

.hero-note {
  font-size: 0.8rem;
  color: var(--muted);
}

.hero-overlay {
  position: absolute;
  inset: -40%;
  background:
    radial-gradient(circle at -10% 0, rgba(56, 189, 248, 0.2), transparent 58%),
    radial-gradient(circle at 120% 120%, rgba(45, 212, 191, 0.14), transparent 55%);
  opacity: 0.65;
  mix-blend-mode: screen;
  pointer-events: none;
  z-index: -1;
}

/* SECTION WRAPPER */
section {
  margin-top: 3.5rem;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.3rem;
}

.section-kicker {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.section-title {
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.section-description {
  font-size: 0.9rem;
  color: var(--muted);
  max-width: 26rem;
}

/* SERVICES */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: radial-gradient(circle at top left, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.98));
  padding: 1rem;
  box-shadow: 0 14px 35px rgba(15, 23, 42, 0.75);
}

.card h3 {
  font-size: 0.98rem;
  margin-bottom: 0.35rem;
}

.card p {
  font-size: 0.86rem;
  color: var(--muted);
  margin-bottom: 0.6rem;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.chip {
  font-size: 0.72rem;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  border: 1px solid rgba(55, 65, 81, 0.9);
  color: var(--muted);
}

/* LISTINGS */
.listings-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.listing-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  background: #020617;
  display: flex;
  flex-direction: column;
}

.listing-image-placeholder {
  height: 150px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(15, 23, 42, 0.95));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: rgba(15, 23, 42, 0.9);
  font-weight: 600;
}

.listing-body {
  padding: 0.8rem 0.9rem 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.85rem;
}

.listing-title {
  font-weight: 600;
}

.listing-meta {
  color: var(--muted);
  font-size: 0.8rem;
}

.listing-tag-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.3rem;
  gap: 0.2rem;
  flex-wrap: wrap;
}

.listing-pill {
  font-size: 0.75rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: rgba(31, 41, 55, 0.9);
  color: var(--muted);
}

.listing-btn-link {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}

/* PROCESS */
.process-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 1.6rem;
}

.timeline {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 1rem 1.1rem;
  background: radial-gradient(circle at top left, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 1));
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem 0.9rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(31, 41, 55, 0.9);
}

.step:last-child {
  border-bottom: none;
}

.step-number {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 0, rgba(56, 189, 248, 0.25), rgba(15, 23, 42, 0.9));
  border: 1px solid rgba(148, 163, 184, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 600;
}

.step-title {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.1rem;
}

.step-text {
  font-size: 0.83rem;
  color: var(--muted);
}

.process-note {
  font-size: 0.83rem;
  color: var(--muted);
  margin-top: 0.4rem;
}

.process-aside {
  border-radius: var(--radius-lg);
  border: 1px dashed rgba(148, 163, 184, 0.7);
  padding: 1rem 1.1rem;
  background: radial-gradient(circle at top, rgba(56, 189, 248, 0.12), rgba(15, 23, 42, 1));
  font-size: 0.85rem;
}

.process-aside h3 {
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}

/* CONTACT */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 1.6rem;
}

.contact-card {
  border-radius: var(--radius-xl);
  border: 1px solid rgba(31, 41, 55, 0.9);
  padding: 1.4rem 1.5rem;
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.2), rgba(15, 23, 42, 1));
  box-shadow: var(--shadow-soft);
}

.contact-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.contact-card p {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 0.8rem;
}

.contact-grid-inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem 1.3rem;
  font-size: 0.86rem;
}

.contact-label {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.2rem;
}

.contact-value {
  font-weight: 500;
}

.contact-form {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(31, 41, 55, 0.9);
  padding: 1.1rem 1.2rem 1.3rem;
  background: radial-gradient(circle at top, rgba(15, 23, 42, 1), rgba(15, 23, 42, 0.98));
  font-size: 0.86rem;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.form-field label {
  font-size: 0.78rem;
  color: var(--muted);
}

.form-field input,
.form-field textarea {
  border-radius: 0.75rem;
  border: 1px solid rgba(31, 41, 55, 0.95);
  padding: 0.5rem 0.6rem;
  font-size: 0.85rem;
  background: rgba(15, 23, 42, 0.95);
  color: var(--text);
  outline: none;
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.5);
}

textarea {
  resize: vertical;
  min-height: 96px;
}

.form-footnote {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.6rem;
}

/* FOOTER */
footer {
  border-top: 1px solid rgba(31, 41, 55, 0.9);
  margin-top: 2.5rem;
  padding-top: 1.35rem;
  font-size: 0.78rem;
  color: var(--muted);
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.7rem;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: 0.9rem;
}

.footer-tagline {
  font-size: 0.75rem;
}

/* RESPONSIVE */
@media (max-width: 920px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-card {
    order: -1;
  }

  .grid-3,
  .listings-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-grid,
  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .nav-inner {
    padding-inline: 1rem;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .shell {
    padding-inline: 1rem;
  }

  .grid-3,
  .listings-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero {
    padding-top: 2.5rem;
  }
}
