/* ==========================================================
   Mexpert Consulting — Design tokens
   ========================================================== */
:root {
  --bg-light: #FAFAF7;
  --bg-light-alt: #F1EEE7;
  --bg-dark: #1A1A1A;
  --bg-dark-alt: #141414;
  --ink-900: #1A1A1A;
  --ink-600: #514D45;
  --ink-400: #8A8578;
  --paper-900: #FFFFFF;
  --paper-600: #C9C9C9;
  --paper-400: #8F8F8F;
  --accent: #2563EB;
  --accent-dim: #1D4ED8;
  --line-light: #E4E0D6;
  --line-dark: #333333;
  --radius: 4px;
  --container: 1120px;
  --font: "Pretendard", -apple-system, BlinkMacSystemFont, "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink-900);
  background: var(--bg-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 250, 247, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-light);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.01em;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo .mark-img {
  height: 26px;
  width: auto;
}
nav.main-nav { display: flex; gap: 32px; }
nav.main-nav a {
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-600);
}
nav.main-nav a:hover { color: var(--ink-900); }
.btn-nav-cta {
  background: var(--accent);
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}
.btn-nav-cta:hover { background: var(--accent-dim); }

/* ---------- Hero ---------- */
.hero {
  background: var(--bg-dark);
  color: #fff;
  overflow: hidden;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
  padding-top: 88px;
  padding-bottom: 88px;
}
.hero-kicker {
  color: var(--accent);
  font-weight: 700;
  font-size: 15px;
  margin: 0 0 18px;
  letter-spacing: 0.02em;
}
.hero h1 {
  font-size: 52px;
  line-height: 1.18;
  font-weight: 800;
  margin: 0 0 24px;
  letter-spacing: -0.02em;
}
.hero p.lead {
  font-size: 18px;
  color: var(--paper-600);
  max-width: 46ch;
  margin: 0 0 36px;
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  background: var(--accent);
  color: #fff;
  padding: 15px 26px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  display: inline-block;
}
.btn-primary:hover { background: var(--accent-dim); }
.btn-secondary {
  border: 1px solid var(--line-dark);
  color: #fff;
  padding: 15px 26px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  display: inline-block;
}
.btn-secondary:hover { border-color: var(--paper-600); }
.hero-figure {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.08);
}
.hero-figure img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- About ---------- */
.about-grid {
  display: block;
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}
.about-copy h2 {
  font-size: 40px;
  font-weight: 800;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}
.about-copy h2.name-caps {
  letter-spacing: 0.04em;
}
.about-role {
  color: var(--accent);
  font-weight: 700;
  font-size: 15px;
  margin: 0 0 28px;
}
.about-body {
  color: var(--ink-600);
  font-size: 16px;
  margin: 0 auto 20px;
  max-width: 56ch;
}

/* ---------- Stats bar ---------- */
.stats {
  background: var(--bg-dark-alt);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}
.stats .container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 40px 32px;
  gap: 24px;
}
.stat-num { color: var(--accent); font-size: 34px; font-weight: 800; margin: 0 0 6px; }
.stat-label { color: var(--paper-600); font-size: 14px; margin: 0; }

/* ---------- Section shared ---------- */
section.pad { padding: 96px 0; }
.section-head { max-width: 640px; margin: 0 0 56px; }
.section-kicker {
  color: var(--accent);
  font-weight: 700;
  font-size: 14px;
  margin: 0 0 14px;
}
.section-head h2 {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  line-height: 1.3;
}
.section-head p { color: var(--ink-600); font-size: 16px; margin: 0; }

/* ---------- Services ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--paper-900);
  border: 1px solid var(--line-light);
  border-radius: 10px;
  padding: 36px 30px;
}
.service-card .tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  background: rgba(37, 99, 235, 0.08);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 20px;
}
.service-card h3 { font-size: 21px; margin: 0 0 12px; font-weight: 700; }
.service-card p { color: var(--ink-600); font-size: 15px; margin: 0 0 20px; }
.service-card ul { margin: 0; padding-left: 18px; color: var(--ink-600); font-size: 14px; }
.service-card li { margin-bottom: 8px; }

/* ---------- Process ---------- */
.process-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.process-step {
  border-top: 3px solid var(--accent);
  padding-top: 20px;
}
.process-step .num { font-size: 14px; font-weight: 800; color: var(--accent); margin-bottom: 10px; }
.process-step h4 { font-size: 17px; font-weight: 700; margin: 0 0 10px; }
.process-step p { font-size: 14px; color: var(--ink-600); margin: 0; }

/* ---------- Banner (local ops) ---------- */
.banner {
  position: relative;
  background: var(--bg-dark);
  color: #fff;
  overflow: hidden;
  min-height: 420px;
  display: flex;
  align-items: center;
}
.banner img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
}
.banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10,10,10,0.88) 0%, rgba(10,10,10,0.55) 45%, rgba(10,10,10,0.25) 100%);
  z-index: 0;
}
.banner .container { position: relative; z-index: 1; }
.banner-copy { max-width: 560px; }
.banner-kicker { color: var(--accent); font-weight: 700; font-size: 14px; margin-bottom: 14px; }
.banner h2 { font-size: 32px; font-weight: 800; margin: 0 0 18px; line-height: 1.35; }
.banner p { color: var(--paper-600); font-size: 16px; margin: 0; }
.banner-credit {
  margin-top: 18px !important;
  font-size: 12px !important;
  color: var(--paper-400) !important;
}
.banner-credit a { color: var(--paper-600); text-decoration: underline; }

/* ---------- Testimonial ---------- */
.testimonial-wrap {
  background: var(--bg-light-alt);
  border-radius: 12px;
  padding: 56px;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.testimonial-wrap blockquote {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.5;
  margin: 0 0 24px;
  color: var(--ink-900);
}
.testimonial-wrap cite {
  font-style: normal;
  color: var(--ink-400);
  font-size: 14px;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}
.contact-info h2 { font-size: 32px; font-weight: 800; margin: 0 0 18px; }
.contact-info p { color: var(--ink-600); margin: 0 0 32px; max-width: 42ch; }
.contact-detail { display: flex; align-items: baseline; gap: 12px; margin-bottom: 14px; font-size: 15px; }
.contact-detail .label { color: var(--ink-400); min-width: 64px; font-size: 13px; }
.contact-detail a { color: var(--ink-900); text-decoration: none; font-weight: 600; }
.contact-detail a:hover { color: var(--accent); }

.contact-form {
  background: var(--paper-900);
  border: 1px solid var(--line-light);
  border-radius: 10px;
  padding: 32px;
}
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 8px; color: var(--ink-600); }
.field input, .field textarea {
  width: 100%;
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-family: var(--font);
  font-size: 15px;
  background: var(--bg-light);
}
.field textarea { resize: vertical; min-height: 100px; }
.btn-submit {
  width: 100%;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 15px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
}
.btn-submit:hover { background: var(--accent-dim); }

.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
}

.form-success {
  display: none;
  background: var(--paper-900);
  border: 1px solid var(--line-light);
  border-radius: 10px;
  padding: 48px 32px;
  text-align: center;
}
.form-success h3 { font-size: 22px; font-weight: 800; margin: 0 0 12px; }
.form-success p { color: var(--ink-600); margin: 0; font-size: 15px; }

/* ---------- Footer ---------- */
footer {
  background: var(--bg-dark-alt);
  color: var(--paper-400);
  padding: 40px 0;
  font-size: 13px;
}
footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
footer a { color: var(--paper-600); text-decoration: none; }
footer a:hover { color: #fff; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero .container { grid-template-columns: 1fr; padding-top: 56px; padding-bottom: 56px; }
  .hero h1 { font-size: 36px; }
  .hero-figure { order: -1; max-height: 320px; }
  .stats .container { grid-template-columns: 1fr; gap: 28px; padding: 32px; text-align: center; }
  .service-grid { grid-template-columns: 1fr; }
  .process-list { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-copy h2 { font-size: 28px; }
  nav.main-nav { display: none; }
  section.pad { padding: 64px 0; }
  .section-head h2 { font-size: 26px; }
  .banner h2 { font-size: 26px; }
  .testimonial-wrap { padding: 32px 24px; }
  .testimonial-wrap blockquote { font-size: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}