/* ──────────────────────────────────────────────
   재무해결사 — Editorial Ledger
   ────────────────────────────────────────────── */

:root {
  --paper:      #f4f1ea;
  --paper-2:    #ece7db;
  --ink:        #1a1a17;
  --ink-soft:   #4a4940;
  --ink-faint:  #8a8678;
  --green:      #1c3b2e;
  --green-2:    #285343;
  --green-glow: #3a6b54;
  --brass:      #a8843f;
  --line:       #d8d2c4;
  --radius:     2px;

  --font-display: "Gowun Batang", serif;
  --font-sans:    "IBM Plex Sans KR", system-ui, sans-serif;
  --font-mono:    "IBM Plex Mono", monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* grain / paper texture overlay */
.grain {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.num { font-family: var(--font-mono); font-weight: 400; letter-spacing: -0.02em; }
strong { font-weight: 600; color: var(--ink); }

::selection { background: var(--green); color: var(--paper); }

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

/* ── layout helpers ── */
section { padding: clamp(5rem, 10vw, 9rem) clamp(1.5rem, 6vw, 7rem); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--brass);
  display: inline-block;
  margin-bottom: 1.4rem;
}
.eyebrow.light { color: #c8b07a; }

.section-head { max-width: 720px; margin-bottom: clamp(3rem, 6vw, 5rem); }
.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4.5vw, 3.1rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.01em;
}
.section-head p { margin-top: 1.1rem; color: var(--ink-soft); font-size: 1.05rem; max-width: 46ch; }

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem clamp(1.5rem, 6vw, 7rem);
  background: rgba(244, 241, 234, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; }
.brand-logo { height: 42px; width: auto; display: block; }

.site-nav { display: flex; gap: 2.2rem; }
.site-nav a {
  font-size: 0.92rem;
  font-weight: 400;
  color: var(--ink-soft);
  position: relative;
  transition: color 0.25s;
}
.site-nav a::after {
  content: ""; position: absolute; left: 0; bottom: -4px;
  width: 0; height: 1px; background: var(--green); transition: width 0.3s ease;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a:hover::after { width: 100%; }

.nav-cta {
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  transition: all 0.25s;
}
.nav-cta:hover { background: var(--ink); color: var(--paper); }

/* ── Hero ── */
.hero {
  padding-top: clamp(4rem, 9vw, 7rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
  max-width: 1100px;
}
.hero-meta {
  display: flex; align-items: center; gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin-bottom: 2rem;
}
.hairline { width: 3rem; height: 1px; background: var(--brass); display: inline-block; }

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3rem, 11vw, 7.5rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
}
.hero-title span { display: block; }
.hero-title .accent { color: var(--green); position: relative; }
.hero-title .accent::after {
  content: "."; color: var(--brass);
}

.hero-sub {
  margin-top: 2rem;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 300;
  color: var(--ink-soft);
  max-width: 56ch;
  line-height: 1.65;
}

.hero-actions { display: flex; gap: 1rem; margin-top: 2.6rem; flex-wrap: wrap; }

.btn {
  font-family: var(--font-sans);
  font-size: 0.98rem;
  font-weight: 500;
  padding: 0.95rem 1.8rem;
  border-radius: var(--radius);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.28s cubic-bezier(0.2, 0.7, 0.3, 1);
  display: inline-flex; align-items: center; gap: 0.5rem;
}
.btn-primary { background: var(--green); color: var(--paper); }
.btn-primary:hover { background: var(--green-2); transform: translateY(-2px); box-shadow: 0 12px 28px -12px rgba(28, 59, 46, 0.7); }
.btn-ghost { border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink); background: var(--paper-2); }
.btn-block { width: 100%; justify-content: center; margin-top: 0.5rem; }

.hero-ledger {
  margin-top: 3.5rem;
  border-top: 1px solid var(--line);
  max-width: 560px;
}
.ledger-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
}
.ledger-row span:first-child { color: var(--ink-faint); letter-spacing: 0.1em; }
.ledger-row .num { color: var(--green-2); font-size: 0.88rem; }

/* ── Marquee ── */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  padding: 0.9rem 0;
}
.marquee-track {
  display: inline-flex; gap: 1.4rem;
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: 1.15rem;
  animation: scroll-x 38s linear infinite;
}
.marquee-track span { opacity: 0.85; }
@keyframes scroll-x { to { transform: translateX(-50%); } }

/* ── Services ── */
.services { background: var(--paper); }
.service-list { list-style: none; border-top: 1px solid var(--line); }
.service-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: clamp(1rem, 4vw, 3rem);
  align-items: center;
  padding: clamp(1.8rem, 4vw, 2.8rem) 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.35s cubic-bezier(0.2, 0.7, 0.3, 1);
  cursor: default;
}
.service-row:hover { padding-left: 1.2rem; background: linear-gradient(90deg, var(--paper-2), transparent 60%); }
.service-no {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--brass);
  align-self: start;
  padding-top: 0.4rem;
}
.service-body h3 {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.7rem;
}
.service-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--ink-faint);
}
.service-body p { margin-top: 0.7rem; color: var(--ink-soft); max-width: 60ch; font-size: 1rem; }
.service-arrow {
  font-size: 1.6rem; color: var(--green);
  opacity: 0; transform: translateX(-10px);
  transition: all 0.35s cubic-bezier(0.2, 0.7, 0.3, 1);
}
.service-row:hover .service-arrow { opacity: 1; transform: translateX(0); }

/* ── About ── */
.about { background: var(--paper-2); }
.about-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(2.5rem, 6vw, 6rem); align-items: center; }
.about-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.9rem);
  font-weight: 700; line-height: 1.2; letter-spacing: -0.01em;
}
.about-text p { margin-top: 1.3rem; color: var(--ink-soft); font-size: 1.05rem; max-width: 52ch; }

.about-stats { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.about-stats li {
  background: var(--paper);
  padding: 1.8rem 1.4rem;
  display: flex; flex-direction: column; gap: 0.5rem;
}
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  font-weight: 700;
  color: var(--green);
  line-height: 1;
}
.stat-label { font-size: 0.85rem; color: var(--ink-soft); }

/* ── Process ── */
.process { background: var(--paper); }
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.step { background: var(--paper); padding: clamp(1.6rem, 3vw, 2.4rem); position: relative; }
.step-no { font-family: var(--font-mono); font-size: 0.85rem; color: var(--brass); }
.step h3 { font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; margin: 0.8rem 0 0.6rem; }
.step p { font-size: 0.95rem; color: var(--ink-soft); }
.step::before {
  content: ""; position: absolute; top: 0; left: 0;
  width: 0; height: 2px; background: var(--green);
  transition: width 0.4s ease;
}
.step:hover::before { width: 100%; }

/* ── Contact ── */
.contact { background: var(--green); color: var(--paper); }
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: start; }
.contact-left h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 700; line-height: 1.1; letter-spacing: -0.01em;
}
.contact-left p { margin-top: 1.3rem; color: rgba(244, 241, 234, 0.75); max-width: 42ch; }
.contact-info { list-style: none; margin-top: 2.5rem; }
.contact-info li {
  display: flex; gap: 1.5rem; align-items: baseline;
  padding: 0.9rem 0; border-bottom: 1px solid rgba(244, 241, 234, 0.15);
  font-size: 1rem;
}
.contact-info li span:first-child { color: #c8b07a; font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.1em; min-width: 3.5rem; }
.contact-info a:hover { text-decoration: underline; text-underline-offset: 4px; }

/* form */
.contact-form { background: var(--paper); color: var(--ink); padding: clamp(1.8rem, 4vw, 2.6rem); border-radius: var(--radius); }
.field { margin-bottom: 1.2rem; }
.field label { display: block; font-size: 0.85rem; font-weight: 500; margin-bottom: 0.45rem; color: var(--ink-soft); }
.optional { color: var(--ink-faint); font-weight: 300; }
.field input, .field select, .field textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 0.98rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(28, 59, 46, 0.12);
}
.field textarea { resize: vertical; }
.form-note { margin-top: 0.9rem; font-size: 0.9rem; min-height: 1.2em; }
.form-note.ok { color: var(--green-2); }
.form-note.err { color: #a23b2e; }

/* ── Footer ── */
.site-footer {
  background: var(--ink); color: var(--paper);
  padding: clamp(3rem, 6vw, 4.5rem) clamp(1.5rem, 6vw, 7rem);
}
.footer-top { display: flex; align-items: center; }
.footer-logo { height: 48px; width: auto; display: block; }
.footer-desc { margin-top: 1rem; color: rgba(244, 241, 234, 0.6); }
.footer-meta {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  margin-top: 2.5rem; padding-top: 1.5rem;
  border-top: 1px solid rgba(244, 241, 234, 0.12);
  font-size: 0.85rem; color: rgba(244, 241, 234, 0.55);
}

/* ── KakaoTalk buttons ── */
.kakao-fab {
  position: fixed;
  right: clamp(1rem, 3vw, 1.8rem);
  bottom: clamp(1rem, 3vw, 1.8rem);
  z-index: 200;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #fee500;
  color: #371d1e;
  padding: 0.8rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 10px 26px -8px rgba(28, 28, 23, 0.45);
  transition: transform 0.22s cubic-bezier(0.2, 0.7, 0.3, 1), box-shadow 0.22s;
}
.kakao-fab:hover { transform: translateY(-3px); box-shadow: 0 16px 32px -8px rgba(28, 28, 23, 0.55); }
.kakao-fab svg { width: 22px; height: 22px; fill: #371d1e; flex-shrink: 0; }

.kakao-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 2rem;
  background: #fee500;
  color: #371d1e;
  font-weight: 600;
  font-size: 1rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius);
  transition: transform 0.22s cubic-bezier(0.2, 0.7, 0.3, 1), box-shadow 0.22s;
}
.kakao-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 28px -12px rgba(0, 0, 0, 0.5); }
.kakao-btn svg { width: 20px; height: 20px; fill: #371d1e; }

@media (max-width: 560px) {
  .kakao-fab span { display: none; }
  .kakao-fab { padding: 0.9rem; }
  .kakao-fab svg { width: 26px; height: 26px; }
}

/* ── Reveal animation ── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.7, 0.3, 1); transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
  html { scroll-behavior: auto; }
}

/* ── Responsive ── */
@media (max-width: 860px) {
  .site-nav { display: none; }
  .about-grid, .contact-inner { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .nav-cta { display: none; }
  .process-steps, .about-stats { grid-template-columns: 1fr; }
  .service-row { grid-template-columns: auto 1fr; }
  .service-arrow { display: none; }
  .hero-actions .btn { flex: 1; justify-content: center; }
}