/* ==========================================================================
   Promtiq — Tiffany Atelier
   ========================================================================== */

:root {
  --ink: #071314;
  --paper: #F4F8F7;
  --tiffany: #81D8D0;
  --ice: #B7EBE6;
  --mute: #8AA09D;
  --line: rgba(129, 216, 208, 0.28);
  --btn-text: #083032;

  --font-serif: "Noto Serif KR", serif;
  --font-display: "Cormorant Garamond", "Noto Serif KR", serif;
  --font-body: "Pretendard", -apple-system, BlinkMacSystemFont, "Malgun Gothic", sans-serif;

  --wrap: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol, dl, dd {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  margin: 0;
  color: var(--ink);
}

em {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--ink);
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 28px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 12px 20px;
  z-index: 1000;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
}

/* Focus visibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--tiffany);
  outline-offset: 2px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244, 248, 247, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
}

.wordmark .mark {
  color: var(--tiffany);
}

.wordmark-text {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.08em;
}

.wordmark-text em {
  color: var(--tiffany);
  font-style: normal;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 36px;
  font-size: 14.5px;
}

.site-nav a {
  position: relative;
  padding: 4px 0;
}

.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--tiffany);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.site-nav a:not(.nav-cta):hover::after,
.site-nav a:not(.nav-cta):focus-visible::after {
  transform: scaleX(1);
}

.nav-cta {
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 9px 20px;
}

.nav-cta:hover {
  background: var(--ink);
  color: var(--paper);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 1px;
  background: var(--ink);
  width: 100%;
}

/* ---------- Hero ---------- */

.hero {
  padding: 130px 0 110px;
  text-align: center;
  border-bottom: 1px solid var(--line);
}

.eyebrow,
.section-eyebrow {
  font-family: var(--font-body);
  font-size: 12.5px;
  letter-spacing: 0.32em;
  color: var(--mute);
  text-transform: uppercase;
  margin: 0 0 22px;
}

.hero-title {
  font-size: clamp(34px, 5.4vw, 58px);
  line-height: 1.28;
  letter-spacing: -0.01em;
}

.hero-title em {
  font-size: 1.08em;
}

.hero-sub {
  margin: 28px auto 0;
  max-width: 480px;
  color: var(--ink);
  opacity: 0.72;
  font-size: 16.5px;
}

.hero-cta {
  margin-top: 44px;
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  border-radius: 2px;
  font-size: 14.5px;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  background: var(--tiffany);
  color: var(--btn-text);
  border-color: var(--tiffany);
}

.btn-primary:hover {
  background: var(--ice);
  border-color: var(--ice);
}

.btn-ghost {
  color: var(--ink);
  border-color: var(--ink);
}

.btn-ghost:hover {
  background: var(--ink);
  color: var(--paper);
}

.btn-outline {
  width: 100%;
  color: var(--ink);
  border-color: var(--line);
}

.btn-outline:hover {
  border-color: var(--tiffany);
}

.price-card-feature .btn-primary {
  width: 100%;
}

.btn-auto {
  width: auto;
  display: inline-flex;
}

/* ---------- Sections (shared) ---------- */

.section {
  padding: 100px 0;
  border-bottom: 1px solid var(--line);
}

.section-alt {
  background: #EEF5F4;
}

.section-title {
  font-size: clamp(26px, 3.4vw, 36px);
  margin-bottom: 18px;
}

.section-desc {
  color: var(--mute);
  max-width: 560px;
  margin: 0 0 56px;
}

/* ---------- About ---------- */

.about-grid {
  text-align: center;
}

.about-copy {
  max-width: 620px;
  margin: 0 auto;
}

.about-copy .lead {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.6vw, 26px);
  color: var(--ink);
  margin: 0 0 28px;
}

.about-copy p {
  color: var(--ink);
  opacity: 0.78;
  margin: 0 0 20px;
}

.about-copy p:last-child {
  margin-bottom: 0;
}

/* ---------- Fit cards ---------- */

.fit-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.fit-card {
  background: var(--section-alt-bg, #EEF5F4);
  padding: 40px 28px;
}

.section-alt .fit-card {
  background: #EEF5F4;
}

.fit-card h3 {
  font-size: 18px;
  margin-bottom: 12px;
}

.fit-card p {
  font-size: 14.5px;
  color: var(--mute);
  margin: 0;
}

/* ---------- Pricing ---------- */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.price-card {
  position: relative;
  border: 1px solid var(--line);
  padding: 44px 32px;
  display: flex;
  flex-direction: column;
}

.price-card-feature {
  border-color: var(--tiffany);
}

.price-badge {
  position: absolute;
  top: -13px;
  left: 32px;
  background: var(--tiffany);
  color: var(--btn-text);
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 5px 12px;
  border-radius: 999px;
}

.price-name {
  font-size: 24px;
  margin-bottom: 10px;
}

.price-desc {
  color: var(--mute);
  font-size: 14.5px;
  margin: 0 0 28px;
  min-height: 44px;
}

.price-amount {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 500;
  margin: 0;
}

.price-amount span {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  margin-left: 2px;
}

.price-vat {
  font-size: 12.5px;
  color: var(--mute);
  margin: 4px 0 28px;
}

.price-list {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  margin-bottom: 32px;
  flex: 1;
}

.price-list li {
  font-size: 14.5px;
  padding: 7px 0;
  position: relative;
  padding-left: 18px;
}

.price-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 6px;
  height: 1px;
  background: var(--tiffany);
}

/* ---------- Process ---------- */

.process-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 640px;
}

.process-list li {
  display: flex;
  gap: 28px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
}

.process-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.process-num {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--tiffany);
  min-width: 36px;
}

.process-list h3 {
  font-size: 18px;
  margin-bottom: 6px;
}

.process-list p {
  margin: 0;
  color: var(--mute);
  font-size: 14.5px;
}

/* ---------- Contact form ---------- */

.contact-wrap {
  max-width: 680px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-field label {
  font-size: 13.5px;
  color: var(--ink);
}

.req {
  color: var(--mute);
}

input[type="text"],
select,
textarea {
  font-family: var(--font-body);
  font-size: 15px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 2px;
  width: 100%;
}

input[type="text"]:focus,
select:focus,
textarea:focus {
  border-color: var(--tiffany);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.form-check {
  flex-direction: row;
  align-items: flex-start;
  gap: 10px;
}

.form-check input {
  margin-top: 4px;
}

.form-check label {
  font-size: 13px;
  color: var(--mute);
  line-height: 1.6;
}

.btn-submit {
  align-self: flex-start;
  margin-top: 8px;
}

.form-note {
  font-size: 13.5px;
  color: var(--mute);
  margin: 0;
  min-height: 1.6em;
}

/* ---------- Footer ---------- */

.site-footer {
  padding: 56px 0;
  background: var(--ink);
  color: var(--paper);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 32px;
}

.footer-mark {
  color: var(--paper);
  margin: 0 0 8px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--ice);
  margin: 0;
}

.footer-nav {
  display: flex;
  gap: 24px;
  font-size: 14px;
  color: var(--ice);
  align-items: flex-start;
}

.footer-nav a:hover {
  color: var(--tiffany);
}

.footer-meta {
  font-size: 13px;
  color: var(--mute);
  text-align: right;
}

.footer-meta p {
  margin: 0 0 6px;
}

/* ---------- Service list (home) ---------- */

.service-list {
  display: flex;
  flex-direction: column;
}

.service-row {
  display: grid;
  grid-template-columns: 64px 1fr auto auto;
  align-items: center;
  gap: 28px;
  padding: 32px 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
  color: var(--ink);
}

.service-list a.service-row {
  transition: opacity 0.2s ease;
}

.service-list a.service-row:hover {
  opacity: 0.6;
}

.service-list li:last-child .service-row {
  border-bottom: 1px solid var(--line);
}

.service-num {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--tiffany);
}

.service-name .service-cat {
  display: block;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--mute);
  margin-bottom: 8px;
}

.service-name h3 {
  font-size: 19px;
  margin-bottom: 8px;
}

.service-name p {
  margin: 0;
  font-size: 14.5px;
  color: var(--mute);
}

.service-price {
  font-size: 14px;
  color: var(--mute);
  white-space: nowrap;
  text-align: right;
}

.service-explore {
  font-size: 13.5px;
  white-space: nowrap;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
}

/* ---------- Highlight sections (AI Concierge / Brand Report) ---------- */

.highlight-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: start;
}

.highlight-copy .section-title {
  margin-bottom: 24px;
}

.highlight-copy p {
  color: var(--ink);
  opacity: 0.78;
  margin: 0 0 16px;
}

.tag-pill {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mute);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 14px;
  margin-top: 8px;
}

.highlight-panel {
  border: 1px solid var(--line);
  padding: 36px 32px;
  background: #fff;
}

.highlight-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 0;
  margin: 0 0 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.highlight-list li {
  font-size: 14.5px;
  width: 50%;
  position: relative;
  padding-left: 16px;
}

.highlight-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 1px;
  background: var(--tiffany);
}

.highlight-pricing {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
  font-size: 14.5px;
}

.highlight-pricing div {
  display: flex;
  justify-content: space-between;
}

.highlight-pricing dt {
  color: var(--mute);
}

/* ---------- Brand Report grid ---------- */

.report-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: 40px;
}

.report-grid div {
  background: #fff;
  padding: 22px 16px;
}

.section-alt .report-grid div {
  background: #fff;
}

.report-grid .report-num {
  display: block;
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--tiffany);
  margin-bottom: 8px;
}

.report-grid .report-label {
  display: block;
  font-size: 13.5px;
}

.report-grid .report-label-en {
  display: block;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mute);
  margin-top: 2px;
}

.report-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
  font-size: 14.5px;
  color: var(--mute);
}

.report-meta strong {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- Starting price table ---------- */

.pricing-table {
  border-top: 1px solid var(--line);
}

.pricing-row {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  align-items: center;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.pricing-row .pricing-cat {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--mute);
}

.pricing-row .pricing-name {
  font-size: 16px;
}

.pricing-row .pricing-amount {
  font-size: 15px;
  color: var(--mute);
  white-space: nowrap;
}

.pricing-footnote {
  margin: 20px 0 0;
  font-size: 13px;
  color: var(--mute);
}

/* ---------- FAQ ---------- */

.faq-list {
  max-width: 720px;
  border-top: 1px solid var(--line);
}

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

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 24px 0;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--ink);
  cursor: pointer;
}

.faq-question .faq-icon {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--tiffany);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.faq-item[data-open="true"] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.25s ease;
}

.faq-item[data-open="true"] .faq-answer {
  max-height: 240px;
}

.faq-answer p {
  margin: 0 0 24px;
  color: var(--mute);
  font-size: 14.5px;
  max-width: 560px;
}

/* ---------- Closing CTA ---------- */

.closing-cta {
  text-align: center;
}

.closing-cta .section-title {
  margin-bottom: 20px;
}

.closing-cta .section-desc {
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Services detail page ---------- */

.detail-section {
  padding: 88px 0;
  border-bottom: 1px solid var(--line);
}

.detail-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.detail-head .service-cat {
  display: block;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--mute);
  margin-bottom: 16px;
}

.detail-head h2 {
  font-size: clamp(24px, 3vw, 32px);
  margin-bottom: 16px;
}

.detail-price {
  font-family: var(--font-display);
  font-size: 30px;
}

.detail-price-unit {
  font-size: 16px;
}

.detail-vat {
  font-size: 12.5px;
  color: var(--mute);
  margin: 4px 0 0;
}

.detail-desc {
  color: var(--mute);
  margin: 0 0 24px;
}

.detail-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 24px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}

.detail-list li {
  font-size: 14.5px;
  position: relative;
  padding-left: 16px;
}

.detail-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 1px;
  background: var(--tiffany);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.chip {
  font-size: 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 16px;
  color: var(--mute);
}

.chip span {
  color: var(--ink);
}

.sub-product {
  border-top: 1px solid var(--line);
  padding-top: 28px;
  margin-top: 28px;
}

.sub-product h4 {
  font-family: var(--font-serif);
  font-size: 17px;
  margin: 0 0 4px;
}

.sub-product .sub-price {
  font-size: 13.5px;
  color: var(--mute);
  margin: 0 0 14px;
}

.addon-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.addon-card {
  background: var(--paper);
  padding: 36px 32px;
}

.addon-card h3 {
  font-size: 19px;
  margin-bottom: 6px;
}

.addon-card .addon-price {
  font-size: 14px;
  color: var(--mute);
  margin: 0 0 20px;
}

.addon-card .addon-copy {
  font-size: 14px;
  color: var(--mute);
  margin: 0 0 18px;
}

.addon-card ul {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.addon-card li {
  font-size: 14px;
  padding: 5px 0;
  position: relative;
  padding-left: 16px;
}

.addon-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 6px;
  height: 1px;
  background: var(--tiffany);
}

.launch-groups {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 28px;
}

.launch-groups h4 {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--mute);
  margin: 0 0 12px;
  text-transform: uppercase;
}

.launch-groups li {
  font-size: 14px;
  padding: 5px 0;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .fit-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .price-card-feature {
    order: -1;
  }

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

  .report-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .detail-head {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  .launch-groups {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .site-nav {
    position: fixed;
    z-index: 99;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 24px -16px rgba(7, 19, 20, 0.25);
    flex-direction: column;
    align-items: stretch;
    padding: 20px 28px 28px;
    gap: 18px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-cta {
    text-align: center;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding: 96px 0 72px;
  }

  .section {
    padding: 72px 0;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
  }

  .footer-meta {
    text-align: left;
  }

  .service-row {
    grid-template-columns: 40px 1fr;
    row-gap: 8px;
  }

  .service-price,
  .service-explore {
    grid-column: 2 / 3;
    text-align: left;
  }

  .highlight-list li {
    width: 100%;
  }

  .report-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-row {
    grid-template-columns: 1fr;
    row-gap: 6px;
  }

  .pricing-row .pricing-cat {
    order: -1;
  }

  .detail-list {
    grid-template-columns: 1fr;
  }

  .launch-groups {
    grid-template-columns: 1fr 1fr;
  }
}