:root {
  --bg: #f3f5f8;
  --bg-muted: #e8edf3;
  --ink: #0b1f3a;
  --ink-soft: #3d5168;
  --accent: #e24a2b;
  --accent-deep: #b8361c;
  --line: rgba(11, 31, 58, 0.12);
  --white: #ffffff;
  --dark: #0b1f3a;
  --dark-2: #132a47;
  --ok: #0f766e;
  --radius: 4px;
  --font-display: "Syne", "IBM Plex Sans KR", sans-serif;
  --font-body: "IBM Plex Sans KR", sans-serif;
  --max: 1120px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  font-size: 16px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { padding-left: 1.1rem; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 0.6em; }
p { margin: 0 0 1em; color: var(--ink-soft); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem clamp(1rem, 4vw, 2.5rem);
  background: rgba(243, 245, 248, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}
.logo span {
  display: block;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--accent);
}

.nav { display: flex; gap: 1.25rem; align-items: center; font-size: 0.92rem; font-weight: 500; }
.nav a:hover { color: var(--accent); }
.nav-cta {
  background: var(--ink);
  color: var(--white) !important;
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius);
}
.nav-cta:hover { background: var(--accent); }

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--radius);
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  padding: 0 10px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(11, 31, 58, 0.92) 0%, rgba(11, 31, 58, 0.72) 48%, rgba(226, 74, 43, 0.55) 100%),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.05) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.04) 0 1px, transparent 1px 48px),
    radial-gradient(1200px 600px at 80% 20%, rgba(226, 74, 43, 0.35), transparent 60%),
    #0b1f3a;
  transform: scale(1.02);
  animation: drift 18s ease-in-out infinite alternate;
}

@keyframes drift {
  from { transform: scale(1.02) translate3d(0, 0, 0); }
  to { transform: scale(1.06) translate3d(-1.5%, 1%, 0); }
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(5rem, 14vh, 8rem) 0 clamp(3rem, 8vh, 5rem);
}

.brand-mark {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.22em;
  font-size: 0.78rem;
  color: #ffb59f;
  margin-bottom: 1rem;
  opacity: 0;
  animation: rise 0.8s ease forwards 0.1s;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  font-weight: 800;
  color: var(--white);
  max-width: 12ch;
  opacity: 0;
  animation: rise 0.9s ease forwards 0.25s;
}

.hero-lead {
  max-width: 36rem;
  color: rgba(255,255,255,0.84);
  font-size: 1.05rem;
  opacity: 0;
  animation: rise 0.9s ease forwards 0.4s;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
  opacity: 0;
  animation: rise 0.9s ease forwards 0.55s;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius);
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--white); }
.btn-primary:hover { background: var(--accent-deep); }
.btn-ghost { border-color: rgba(255,255,255,0.45); color: var(--white); }
.btn-ghost:hover { background: rgba(255,255,255,0.1); }

.strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}
.strip-item {
  background: var(--white);
  padding: 1.25rem 1.4rem;
}
.strip-item strong { display: block; font-family: var(--font-display); font-size: 1.05rem; }
.strip-item span { color: var(--ink-soft); font-size: 0.88rem; }

.section {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(3.5rem, 8vw, 5.5rem) 0;
}
.section-muted { width: 100%; padding-left: max(1rem, calc((100% - var(--max)) / 2)); padding-right: max(1rem, calc((100% - var(--max)) / 2)); background: var(--bg-muted); }
.section-dark { width: 100%; padding-left: max(1rem, calc((100% - var(--max)) / 2)); padding-right: max(1rem, calc((100% - var(--max)) / 2)); background: linear-gradient(160deg, var(--dark), var(--dark-2)); color: var(--white); }
.section-dark p, .section-dark .eyebrow { color: rgba(255,255,255,0.72); }
.section-head { max-width: 38rem; margin-bottom: 2.4rem; }
.section-head.light h2 { color: var(--white); }
.eyebrow {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.6rem;
}
.section-head h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.panel {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1.6rem 1.5rem 1.4rem;
  border-top: 3px solid var(--accent);
}
.panel-alt { border-top-color: var(--ok); }
.panel-tag {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.4rem;
}
.panel-alt .panel-tag { color: var(--ok); }
.panel h3 { font-size: 1.5rem; }
.panel li { margin-bottom: 0.35rem; color: var(--ink-soft); }

.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.steps li {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1.2rem;
}
.steps span {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.steps strong { display: block; margin-bottom: 0.35rem; }
.steps p { margin: 0; font-size: 0.92rem; }

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
  margin-bottom: 1.2rem;
}
.price-grid div {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1.1rem 1rem;
}
.price-grid h3 { font-size: 1.05rem; margin-bottom: 0.3rem; }
.price-grid p { margin: 0; font-size: 0.9rem; }
.note { font-size: 0.88rem; margin-bottom: 1.2rem; }

.addon-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.addon-grid article {
  border: 1px solid rgba(255,255,255,0.14);
  padding: 1.25rem;
  background: rgba(255,255,255,0.03);
}
.addon-grid h3 { color: var(--white); font-size: 1.1rem; }
.addon-grid p { margin: 0; font-size: 0.92rem; }

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.trust-grid div {
  padding: 1.2rem;
  background: var(--white);
  border-left: 3px solid var(--accent);
}
.trust-grid strong { display: block; margin-bottom: 0.35rem; font-family: var(--font-display); }
.trust-grid p { margin: 0; font-size: 0.9rem; }

.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2rem;
  align-items: start;
}
.contact-meta { list-style: none; padding: 0; }
.contact-meta li { margin-bottom: 0.55rem; }
.contact-meta span {
  display: inline-block;
  min-width: 3.5rem;
  font-weight: 700;
  color: var(--ink);
}

.contact-form {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1.4rem;
  display: grid;
  gap: 0.75rem;
}
.contact-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.88rem;
  font-weight: 600;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  font: inherit;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.7rem 0.75rem;
  background: #fafbfc;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(226, 74, 43, 0.35);
  border-color: var(--accent);
}
.form-hint { font-size: 0.82rem; margin: 0; }
.form-hint.ok { color: var(--ok); font-weight: 600; }
.form-hint.err { color: var(--accent-deep); font-weight: 600; }

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.1rem;
}

.panel-note {
  margin: 0.9rem 0 0;
  font-size: 0.86rem;
}

.price-note-box {
  margin: 1.2rem 0 1.4rem;
  padding: 1rem 1.1rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  max-width: 42rem;
}
.price-note-box p { margin: 0; font-size: 0.92rem; }

.form-success {
  margin-top: 0.35rem;
  padding: 0.95rem 1rem;
  background: rgba(15, 118, 110, 0.08);
  border: 1px solid rgba(15, 118, 110, 0.25);
  border-radius: var(--radius);
}
.form-success strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--ok);
}
.form-success p { margin: 0; font-size: 0.9rem; }

.hp {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem clamp(1rem, 4vw, 2.5rem) 2.5rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  background: var(--white);
}
.site-footer p { margin: 0.3rem 0 0; font-size: 0.88rem; }
.copy { color: var(--ink-soft); font-size: 0.85rem; }

@media (max-width: 900px) {
  .strip, .steps, .price-grid, .addon-grid, .trust-grid, .split, .contact-wrap {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--white);
    padding: 1rem;
    border-bottom: 1px solid var(--line);
  }
  .nav.open { display: flex; }
  .nav-toggle { display: flex; }
  .strip, .steps, .price-grid, .addon-grid, .trust-grid, .split, .contact-wrap {
    grid-template-columns: 1fr;
  }
  .hero { min-height: 86vh; align-items: center; }
}