/* ============================================================
   YEJINC — style.css
   Light warm-white theme, chartreuse + deep olive accent.
   ============================================================ */

:root {
  --bg: #F8F7F2;
  --bg-soft: #F1EFE6;
  --ink: #22281A;
  --ink-soft: #4A5238;
  --accent: #8FAE1B;
  --accent-dark: #6F8914;
  --olive: #5C6E1F;
  --olive-dark: #46540F;
  --chip: #E7EECB;
  --card: #FFFFFF;
  --track: #E3E2D8;
  --hairline: #DEDCCF;
  --mono: "SFMono-Regular", "Menlo", "Consolas", "Liberation Mono", monospace;
  --sans: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--sans);
  font-size: 16px;
  background-color: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: var(--olive);
  text-decoration: none;
}

a:hover {
  color: var(--accent-dark);
}

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

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ NAVIGATION: TERMINAL PROMPT NAV ============ */

.prompt-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--bg);
  border-bottom: 2px solid var(--accent);
}

.prompt-nav-inner {
  display: flex;
  align-items: center;
  max-width: 1240px;
  margin: 0 auto;
  padding: 12px 24px;
  min-height: 60px;
}

.prompt-brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-shrink: 0;
  text-decoration: none;
}

.prompt-prompt {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 16px;
  color: var(--olive);
}

.prompt-wordmark {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.prompt-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0 auto;
}

.prompt-link {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--ink);
  padding: 7px 12px;
  border-radius: 6px;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.prompt-link:hover {
  color: var(--olive);
}

.prompt-link.active {
  background-color: var(--accent);
  color: var(--ink);
  font-weight: 700;
}

.prompt-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.prompt-cta {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  background-color: var(--accent);
  color: var(--ink);
  padding: 9px 16px;
  border-radius: 6px;
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.prompt-cta:hover {
  background-color: var(--accent-dark);
  color: var(--bg);
}

.prompt-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.prompt-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--ink);
}

/* ============ HERO: DECK HERO ============ */

.deck-hero {
  padding: 76px 0 88px;
  background-color: var(--bg);
}

.deck-hero-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 60px;
  align-items: center;
}

.eyebrow-chip {
  display: inline-block;
  background-color: var(--chip);
  color: var(--olive);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 7px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
}

.deck-hero h1 {
  font-size: clamp(40px, 5.2vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--ink);
}

.hero-typed {
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 600;
  color: var(--olive);
  margin: 22px 0 8px;
  min-height: 32px;
}

.typed-cursor {
  display: inline-block;
  width: 10px;
  height: 21px;
  background-color: var(--olive);
  margin-left: 4px;
  vertical-align: -3px;
}

.typed-cursor.blink-off {
  visibility: hidden;
}

.hero-subcopy {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 540px;
  margin: 14px 0 30px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 26px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.btn-primary {
  background-color: var(--accent);
  color: var(--ink);
}

.btn-primary:hover {
  background-color: var(--accent-dark);
  color: var(--bg);
}

.btn-outline {
  background-color: transparent;
  color: var(--olive);
  border: 2px solid var(--olive);
}

.btn-outline:hover {
  background-color: var(--olive);
  color: var(--bg);
}

.btn-dark {
  background-color: var(--ink);
  color: var(--bg);
}

.btn-dark:hover {
  background-color: var(--olive-dark);
  color: var(--bg);
}

/* Deck of cards */

.deck-hero-visual {
  position: relative;
  height: 390px;
}

.deck-card {
  position: absolute;
  width: 290px;
  height: 190px;
  border-radius: 10px;
}

.deck-back {
  background-color: var(--olive);
  top: 16px;
  left: 20px;
  transform: rotate(-4deg);
}

.deck-mid {
  background-color: var(--accent);
  top: 96px;
  left: 96px;
  transform: rotate(2deg);
}

.deck-front {
  background-color: var(--card);
  border: 2px solid var(--olive);
  top: 176px;
  left: 172px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  padding: 24px 26px;
}

.deck-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.12em;
  color: var(--ink);
}

.deck-square {
  display: inline-block;
  width: 11px;
  height: 11px;
}

.deck-square.sq-a { background-color: var(--accent); }
.deck-square.sq-b { background-color: var(--olive); }
.deck-square.sq-c { background-color: var(--ink); }

/* ============ STATEMENT ROW ============ */

.statement-row {
  padding: 84px 0;
  background-color: var(--bg-soft);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.statement-text {
  max-width: 920px;
  margin: 0 auto;
  text-align: center;
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.25;
  font-weight: 700;
  color: var(--ink);
}

.statement-mark {
  color: var(--olive);
}

/* ============ SECTION HEADS ============ */

.section-head {
  padding-bottom: 42px;
}

.section-head h2 {
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ink);
  font-weight: 800;
}

.section-head p {
  color: var(--ink-soft);
  font-size: 17px;
  max-width: 640px;
  margin-top: 12px;
}

/* ============ TERMINAL PANEL ============ */

.terminal-panel {
  padding: 84px 0;
  background-color: var(--bg);
}

.terminal-window {
  max-width: 760px;
  margin: 0 auto;
  background-color: var(--ink);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 10px 10px 0 var(--chip);
}

.terminal-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 18px;
  background-color: #1B2015;
  border-bottom: 1px solid #2E3523;
}

.term-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.term-dot-red { background-color: #E2584D; }
.term-dot-yellow { background-color: #E0B03C; }
.term-dot-green { background-color: #5FAD56; }

.terminal-title {
  margin-left: 10px;
  font-family: var(--mono);
  font-size: 14px;
  color: #C9D0B8;
}

.terminal-body {
  padding: 28px 30px;
  font-family: var(--mono);
  font-size: 15px;
  line-height: 2.1;
}

.term-line {
  color: #D6DCC6;
}

.term-tag {
  color: var(--accent);
  font-weight: 700;
  margin-right: 10px;
}

.terminal-note {
  max-width: 720px;
  margin: 30px auto 0;
  color: var(--ink-soft);
  font-size: 16px;
  text-align: center;
}

/* ============ METER ROWS ============ */

.meter-rows {
  padding: 84px 0;
  background-color: var(--bg);
}

.meter-list {
  max-width: 900px;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.meter {
  display: grid;
  grid-template-columns: 200px 1fr 64px;
  gap: 22px;
  align-items: center;
}

.meter-label {
  font-weight: 700;
  color: var(--ink);
  font-size: 16px;
}

.meter-track {
  background-color: var(--track);
  height: 14px;
  border-radius: 999px;
  overflow: hidden;
}

.meter-fill {
  display: block;
  height: 100%;
  background-color: var(--accent);
  border-radius: 999px;
}

.meter-value {
  font-family: var(--mono);
  font-weight: 700;
  color: var(--olive);
  text-align: right;
  font-size: 15px;
}

/* ============ CASE ROWS ============ */

.case-rows {
  padding: 84px 0;
  background-color: var(--bg-soft);
}

.case-list {
  border-top: 1px solid var(--hairline);
}

.case-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 30px 0;
  border-bottom: 1px solid var(--hairline);
}

.case-name {
  font-size: 22px;
  font-weight: 800;
  color: var(--ink);
}

.case-industry {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--olive);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.case-desc {
  color: var(--ink-soft);
  margin-top: 6px;
  max-width: 580px;
}

.case-tag {
  flex-shrink: 0;
  background-color: var(--olive);
  color: var(--bg);
  font-family: var(--mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  padding: 9px 15px;
  border-radius: 4px;
}

/* ============ FAQ ACCORDION ============ */

.faq-accordion {
  padding: 84px 0;
  background-color: var(--bg);
}

.faq-list {
  max-width: 840px;
}

.faq-item {
  border-bottom: 1px solid var(--hairline);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: none;
  border: none;
  text-align: left;
  padding: 24px 4px;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.faq-icon {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  background-color: var(--accent);
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  font-weight: 800;
  font-size: 16px;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 420px;
}

.faq-answer p {
  padding: 0 4px 26px;
  color: var(--ink-soft);
  max-width: 720px;
}

/* ============ CTA BAND ============ */

.cta-band {
  background-color: var(--accent);
  color: var(--ink);
  padding: 76px 0;
}

.cta-band-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.cta-band h2 {
  font-size: clamp(28px, 3.4vw, 42px);
  font-weight: 800;
  color: var(--ink);
}

.cta-band p {
  font-size: 17px;
  margin: 14px auto 30px;
  max-width: 560px;
  color: var(--olive-dark);
}

/* ============ FOOTER: STRIP BASE ============ */

.strip-base-footer {
  background-color: var(--bg);
  border-top: 4px solid var(--accent);
}

.footer-columns {
  max-width: 1160px;
  margin: 0 auto;
  padding: 56px 24px 48px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.3fr;
  gap: 44px;
}

.footer-wordmark {
  display: inline-block;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.footer-brand p {
  color: var(--ink-soft);
  margin-top: 12px;
  max-width: 320px;
}

.footer-col h4 {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--olive);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  color: var(--ink);
  margin-bottom: 10px;
}

.footer-col a:hover {
  color: var(--olive);
}

.footer-col p {
  color: var(--ink-soft);
  margin-bottom: 10px;
  font-size: 15px;
}

.footer-strip {
  background-color: var(--olive);
  color: #F2F0E7;
  text-align: center;
  padding: 18px 24px;
  font-size: 14px;
}

.footer-strip a {
  color: #FFFFFF;
  text-decoration: underline;
}

/* ============ SECONDARY PAGES (services / contact) ============ */

.page-hero {
  padding: 76px 0 60px;
  background-color: var(--bg);
  border-bottom: 1px solid var(--hairline);
}

.page-hero h1 {
  font-size: clamp(36px, 4.4vw, 54px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--ink);
  margin-top: 18px;
  max-width: 760px;
}

.page-hero .page-intro {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 680px;
  margin-top: 18px;
}

.services-section {
  padding: 84px 0;
  background-color: var(--bg);
}

.process-section {
  padding: 84px 0;
  background-color: var(--bg-soft);
}

.service-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.service-card {
  background-color: var(--bg);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 30px 30px 32px;
}

.service-card .service-index {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--olive);
  letter-spacing: 0.08em;
}

.service-card h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--ink);
  margin: 12px 0 12px;
}

.service-card p {
  color: var(--ink-soft);
  font-size: 16px;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}

.process-step {
  border-top: 4px solid var(--accent);
  padding-top: 18px;
}

.process-step .step-num {
  font-family: var(--mono);
  font-weight: 700;
  color: var(--olive);
  font-size: 14px;
}

.process-step h3 {
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
  margin: 8px 0 8px;
}

.process-step p {
  color: var(--ink-soft);
  font-size: 15px;
}

/* ============ CONTACT PAGE ============ */

.contact-section {
  padding: 76px 0;
  background-color: var(--bg);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 48px;
  align-items: start;
}

.contact-details h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 14px;
}

.contact-block {
  margin-bottom: 28px;
}

.contact-block .contact-label {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--olive);
  display: block;
  margin-bottom: 6px;
}

.contact-block p,
.contact-block a {
  color: var(--ink-soft);
  font-size: 16px;
}

.contact-block a {
  color: var(--olive);
  font-weight: 600;
}

.hours-row {
  display: flex;
  justify-content: space-between;
  max-width: 360px;
  padding: 7px 0;
  border-bottom: 1px solid var(--hairline);
  color: var(--ink-soft);
  font-size: 15px;
}

.hours-row span:last-child {
  font-weight: 600;
  color: var(--ink);
}

.contact-form-card {
  background-color: var(--bg);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 32px;
}

.form-field {
  margin-bottom: 18px;
}

.form-field label {
  display: block;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 7px;
  font-size: 15px;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--hairline);
  border-radius: 8px;
  background-color: var(--card);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: 2px solid var(--accent);
  border-color: var(--accent);
}

.form-status {
  margin-top: 16px;
  font-weight: 700;
  color: var(--olive);
  min-height: 24px;
}

.contact-faq {
  margin-top: 12px;
}

/* ============ SCROLL REVEAL ============ */

.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: none;
}

/* ============ RESPONSIVE ============ */

@media (max-width: 960px) {
  .deck-hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .deck-hero-visual {
    height: 340px;
  }

  .footer-columns {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 30px;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 760px) {
  .prompt-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 24px 20px;
    background-color: var(--bg);
    border-bottom: 2px solid var(--accent);
    display: none;
  }

  .prompt-nav.open .prompt-links {
    display: flex;
  }

  .prompt-nav-inner {
    position: relative;
  }

  .prompt-link {
    padding: 12px 10px;
    font-size: 15px;
  }

  .prompt-toggle {
    display: flex;
  }

  .prompt-cta {
    display: none;
  }

  .deck-hero {
    padding: 56px 0 72px;
  }

  .deck-hero-visual {
    height: 320px;
  }

  .deck-back { left: 8px; }
  .deck-mid { left: 72px; }
  .deck-front { left: 136px; width: 270px; }

  .meter {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .meter-value {
    text-align: left;
  }

  .case-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }
}