/* =========================================================
   한강리서치 — Korea Equity Research Landing
   Direction: cool institutional slate + market teal
   ========================================================= */

:root {
  --ink: #0c1a22;
  --ink-soft: #1e3340;
  --slate: #3d5563;
  --mist: #d7e2e8;
  --paper: #f2f6f8;
  --teal: #0f7a6c;
  --teal-deep: #0a5c52;
  --kakao: #fee500;
  --kakao-ink: #191600;
  --line: rgba(12, 26, 34, 0.12);
  --font-display: "Song Myung", "Apple SD Gothic Neo", serif;
  --font-body: "IBM Plex Sans KR", "Apple SD Gothic Neo", sans-serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 4.25rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

h1,
h2,
h3 {
  margin: 0;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

p {
  margin: 0;
}

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

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--header-h);
  background: rgba(242, 246, 248, 0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(12, 26, 34, 0.06);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-100%);
  pointer-events: none;
  transition:
    opacity 0.35s var(--ease-out),
    transform 0.35s var(--ease-out),
    visibility 0.35s var(--ease-out);
}

.site-header.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.header-inner {
  max-width: 1120px;
  height: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.brand-logo {
  width: 2.15rem;
  height: 2.15rem;
  display: block;
  flex-shrink: 0;
  border-radius: 0.45rem;
}

.brand-logo-footer {
  width: 2rem;
  height: 2rem;
  border-radius: 0.4rem;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.92rem;
  font-weight: 500;
}

.nav a {
  color: var(--slate);
  transition: color 0.25s ease;
}

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

.nav-cta {
  color: var(--teal) !important;
}

.header-kakao {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 2.35rem;
  padding: 0.35rem 0.75rem 0.35rem 0.4rem;
  background: var(--kakao);
  color: var(--kakao-ink);
  font-size: 0.84rem;
  font-weight: 700;
  border-radius: 0.4rem;
}

.header-kakao img {
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 0.25rem;
  object-fit: cover;
}

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

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #f5fafb;
}

.hero-convert {
  min-height: auto;
  min-height: 72svh;
  align-items: center;
}

.hero-convert .hero-content {
  padding-top: calc(var(--header-h) + 3rem);
  padding-bottom: 3rem;
}

.hero-convert h1 {
  max-width: 16ch;
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(12, 26, 34, 0.15), transparent 45%),
    url("https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&w=2000&q=80")
      center / cover no-repeat;
  transform: scale(1.06);
  animation: hero-ken 12s var(--ease-out) both;
}

.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      180deg,
      rgba(8, 18, 24, 0.35) 0%,
      rgba(8, 18, 24, 0.45) 40%,
      rgba(8, 18, 24, 0.88) 100%
    ),
    radial-gradient(ellipse at 20% 80%, rgba(15, 122, 108, 0.28), transparent 50%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  width: 100%;
  margin: 0 auto;
  padding: calc(var(--header-h) + 4rem) 1.5rem 4.5rem;
  animation: rise 1s var(--ease-out) 0.15s both;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.35rem);
  letter-spacing: 0.04em;
  margin-bottom: 1.1rem;
}

.brand-lockup-logo {
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 0.55rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
  background: #fafcfd;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6.5vw, 4.4rem);
  max-width: 12ch;
  margin-bottom: 1.15rem;
}

.hero-lead {
  max-width: 34rem;
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  font-weight: 300;
  color: rgba(245, 250, 251, 0.86);
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.hero-perk {
  margin-top: 1rem;
  font-size: 0.88rem;
  font-weight: 300;
  color: rgba(245, 250, 251, 0.72);
  letter-spacing: -0.01em;
}

/* ---------- Trust bar ---------- */

.trust-bar {
  background: var(--ink);
  color: #eef5f7;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(238, 245, 247, 0.08);
}

.trust-bar-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem;
  text-align: center;
}

.trust-bar-inner p {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 300;
  color: rgba(238, 245, 247, 0.78);
}

.trust-bar-inner strong {
  color: #9ed9cf;
  font-weight: 600;
}

.weekly .section-lead strong {
  color: var(--teal-deep);
  font-weight: 600;
}

.difference .section-lead strong {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- Difference ---------- */

.difference {
  background: var(--paper);
  padding-top: clamp(2.75rem, 6vw, 4.5rem);
  padding-bottom: clamp(2.75rem, 6vw, 4.5rem);
}

.diff-table {
  margin-top: 2.25rem;
  border-top: 1px solid var(--line);
}

.diff-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.35rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
}

.diff-row > span:first-child {
  color: var(--slate);
  font-size: 0.9rem;
  font-weight: 300;
  text-decoration: line-through;
  text-decoration-color: rgba(61, 85, 99, 0.35);
}

.diff-row > span:last-child {
  color: var(--ink);
  font-size: 0.98rem;
  font-weight: 400;
  line-height: 1.5;
}

.diff-row > span:last-child strong {
  color: var(--teal-deep);
  font-weight: 600;
}

.diff-head {
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}

.diff-head > span {
  font-size: 0.72rem !important;
  font-weight: 700 !important;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none !important;
  color: var(--slate) !important;
}

.diff-head > span:last-child {
  color: var(--teal) !important;
}

/* ---------- Community / Cases ---------- */

.community {
  background:
    radial-gradient(ellipse at 80% 0%, rgba(15, 122, 108, 0.08), transparent 45%),
    linear-gradient(180deg, #e8f0f3 0%, #f2f6f8 100%);
}

.mentor-list {
  margin-top: 2rem;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.mentor-list li {
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 0.25rem;
}

.mentor-role {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
}

.mentor-list strong {
  font-size: 1.05rem;
  font-weight: 600;
}

.mentor-list p {
  margin: 0;
  color: var(--slate);
  font-weight: 300;
  font-size: 0.92rem;
}

.dialogue {
  margin-top: 2.25rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
}

.dialogue-label {
  margin: 0 0 1rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
}

.dialogue-turn {
  padding: 0.95rem 0;
  border-bottom: 1px solid rgba(12, 26, 34, 0.08);
}

.dialogue-who {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--teal-deep);
}

.dialogue-ask .dialogue-who {
  color: var(--slate);
}

.dialogue-turn p {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--ink-soft);
  line-height: 1.6;
}

.dialogue-turn strong {
  color: var(--ink);
  font-weight: 600;
}

.case-outcomes {
  margin-top: 2rem;
}

.cases {
  background: var(--paper);
}

.cases .case-outcomes {
  margin-top: 1.75rem;
  border-top: 1px solid var(--line);
}

.cases .case-outcome:first-child {
  padding-top: 1.35rem;
}

.case-outcome {
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--line);
}

.case-outcome h3 {
  font-family: var(--font-body);
  font-size: 1.02rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.case-outcome p {
  margin: 0;
  color: var(--slate);
  font-weight: 300;
  font-size: 0.95rem;
  line-height: 1.6;
}

.case-outcome strong {
  color: var(--ink-soft);
  font-weight: 600;
}

.case-quote {
  margin: 2rem 0 0;
  padding: 1.35rem 0 0;
  border-top: 1px solid var(--line);
}

.case-quote p {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.4vw, 1.25rem);
  line-height: 1.55;
  color: var(--ink);
}

.case-quote cite {
  font-style: normal;
  font-size: 0.85rem;
  color: var(--slate);
  font-weight: 500;
}

.case-disclaimer {
  margin: 1.25rem 0 0;
  font-size: 0.8rem;
  font-weight: 300;
  color: var(--slate);
  line-height: 1.65;
}

.weekly-convert {
  padding-top: clamp(2.75rem, 6vw, 4rem);
}

.weekly-intro {
  margin-bottom: 1.5rem;
}

/* ---------- Benefits ---------- */

.benefits {
  background:
    linear-gradient(180deg, #eef4f7 0%, var(--paper) 100%);
}

.benefit-list {
  margin-top: 2.25rem;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.benefit-list li {
  display: grid;
  grid-template-columns: 3.25rem 1fr;
  gap: 0.9rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--line);
}

.benefit-num {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--teal);
  line-height: 1.3;
}

.benefit-list h3 {
  font-family: var(--font-body);
  font-size: 1.08rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.benefit-list p {
  margin: 0;
  color: var(--slate);
  font-weight: 300;
  font-size: 0.95rem;
}

.benefits-cta {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
}

/* ---------- Kakao Button ---------- */

.btn-kakao {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 3.15rem;
  padding: 0.85rem 1.35rem;
  background: var(--kakao);
  color: var(--kakao-ink);
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 600;
  border: none;
  border-radius: 0.35rem;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
  transition: transform 0.25s var(--ease-out), background 0.25s ease;
}

.btn-kakao:hover {
  background: #ffe766;
  transform: translateY(-2px);
}

.btn-kakao:active {
  transform: translateY(0);
}

.btn-kakao-lg {
  min-height: 3.5rem;
  padding: 1rem 1.7rem;
  font-size: 1.05rem;
}

.kakao-icon {
  width: 1.45rem;
  height: 1.45rem;
  flex-shrink: 0;
  border-radius: 0.28rem;
  object-fit: cover;
  display: block;
}

.btn-kakao-lg .kakao-icon {
  width: 1.6rem;
  height: 1.6rem;
}

/* ---------- Shared sections ---------- */

.section {
  padding: clamp(4.5rem, 10vw, 7rem) 0;
}

.section-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.9rem;
}

.section h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  margin-bottom: 1rem;
}

.section-lead {
  max-width: 34rem;
  color: var(--slate);
  font-size: 1.05rem;
  font-weight: 300;
}

/* ---------- Weekly Report ---------- */

.weekly {
  background:
    linear-gradient(180deg, #e6eef2 0%, #f2f6f8 40%, #eef4f2 100%);
}

.weekly-intro {
  margin-bottom: 2.5rem;
}

.report-preview {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(12, 26, 34, 0.1);
  box-shadow: 0 18px 48px rgba(12, 26, 34, 0.06);
}

.report {
  background: #fafcfd;
  border: none;
  box-shadow: none;
  overflow: visible;
}

.report-block-full {
  position: relative;
  z-index: 0;
}

.report-block-full .table-wrap {
  pointer-events: auto;
}

.snapshot-note {
  display: none;
}

.report-locked {
  position: relative;
  max-height: 11.5rem;
  overflow: hidden;
  pointer-events: none;
  user-select: none;
}

.report-fade {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  height: auto;
  background: linear-gradient(
    180deg,
    rgba(250, 252, 253, 0.05) 0%,
    rgba(250, 252, 253, 0.55) 28%,
    rgba(242, 246, 248, 0.94) 58%,
    #eef4f2 100%
  );
  pointer-events: none;
  z-index: 1;
}

.report-unlock {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.4rem;
  padding: 0.85rem 1.25rem 1.35rem;
  pointer-events: none;
}

.report-unlock-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.8vw, 1.3rem);
  color: var(--ink);
  letter-spacing: -0.02em;
}

.report-unlock-text {
  margin: 0 0 0.35rem;
  max-width: 22rem;
  font-size: 0.88rem;
  font-weight: 300;
  color: var(--slate);
  line-height: 1.5;
}

.report-unlock-text strong {
  color: var(--teal-deep);
  font-weight: 600;
}

.report-unlock .btn-kakao {
  pointer-events: auto;
}

.report-masthead {
  display: grid;
  gap: 1.75rem;
  padding: clamp(1.5rem, 4vw, 2.25rem);
  background:
    linear-gradient(135deg, #0c1a22 0%, #163039 55%, #0f3d36 100%);
  color: #eef5f7;
}

.report-series {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #7dccc0;
  margin-bottom: 0.65rem;
}

.report-title {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.2vw, 2.1rem);
  margin-bottom: 0.55rem;
}

.report-subtitle {
  max-width: 36rem;
  font-size: 0.98rem;
  font-weight: 300;
  color: rgba(238, 245, 247, 0.78);
  line-height: 1.55;
}

.report-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem 1.25rem;
  margin: 0;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(238, 245, 247, 0.16);
}

.report-meta dt {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(238, 245, 247, 0.5);
  margin-bottom: 0.2rem;
}

.report-meta dd {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 500;
}

.stance-mixed {
  color: #9ed9cf;
}

.report-block {
  padding: clamp(1.5rem, 4vw, 2.1rem);
  border-bottom: 1px solid var(--line);
}

.report-block-head {
  margin-bottom: 1.15rem;
}

.report-block-head h4 {
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin: 0 0 0.3rem;
  color: var(--ink);
}

.report-block-head p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--slate);
  font-weight: 300;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.report-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.report-table th,
.report-table td {
  padding: 0.72rem 0.65rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(12, 26, 34, 0.08);
  line-height: 1.45;
}

.report-table thead th {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate);
  border-bottom: 1px solid rgba(12, 26, 34, 0.18);
  white-space: nowrap;
}

.report-table tbody th {
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

.report-table td {
  color: var(--slate);
  font-weight: 400;
}

.chg-up {
  color: #c0392b !important;
  font-weight: 600;
}

.chg-down {
  color: #2471a3 !important;
  font-weight: 600;
}

.chg-flat {
  color: var(--ink-soft) !important;
  font-weight: 500;
}

.view-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.18rem 0;
  border-bottom: 1.5px solid currentColor;
}

.view-over {
  color: #0f7a6c;
}

.view-mkt {
  color: var(--ink-soft);
}

.view-under {
  color: #2471a3;
}

.thesis-grid {
  display: grid;
  gap: 1.25rem;
}

.thesis-item {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.thesis-item h5 {
  margin: 0 0 0.45rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
}

.thesis-item p {
  margin: 0;
  color: var(--slate);
  font-weight: 300;
  font-size: 0.95rem;
  line-height: 1.65;
}

.thesis-item strong {
  color: var(--ink-soft);
  font-weight: 600;
}

.watch-list {
  display: grid;
  gap: 1.5rem;
}

.watch-item {
  padding: 1.25rem 0 0;
  border-top: 1px solid var(--line);
}

.watch-item:first-child {
  padding-top: 0.25rem;
  border-top: none;
}

.watch-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.65rem 1rem;
  margin-bottom: 1rem;
}

.watch-ticker {
  margin: 0 0 0.25rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--teal);
}

.watch-head h5 {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  max-width: 28rem;
  line-height: 1.35;
}

.watch-badge {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--teal-deep);
  border: 1px solid rgba(15, 122, 108, 0.35);
  padding: 0.28rem 0.55rem;
  white-space: nowrap;
}

.watch-badge-caution {
  color: #8a4b12;
  border-color: rgba(138, 75, 18, 0.35);
}

.watch-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem 1rem;
  margin: 0 0 1rem;
  padding: 0.85rem 0;
  border-top: 1px solid rgba(12, 26, 34, 0.08);
  border-bottom: 1px solid rgba(12, 26, 34, 0.08);
}

.watch-metrics dt {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 0.15rem;
}

.watch-metrics dd {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
}

.watch-body {
  display: grid;
  gap: 0.55rem;
}

.watch-body p {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 300;
  color: var(--slate);
  line-height: 1.6;
}

.watch-body strong {
  color: var(--ink-soft);
  font-weight: 600;
}

.report-footer {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.15rem;
  padding: clamp(1.5rem, 4vw, 2.1rem);
  background: #f0f5f7;
}

.report-footer-copy {
  max-width: 36rem;
}

.report-footer-title {
  margin: 0 0 0.45rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
}

.report-disclaimer {
  margin: 0;
  max-width: 48rem;
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--slate);
  line-height: 1.65;
}

/* ---------- Approach ---------- */

.approach {
  background:
    linear-gradient(180deg, #eef4f7 0%, var(--paper) 100%),
    repeating-linear-gradient(
      -12deg,
      transparent,
      transparent 22px,
      rgba(15, 122, 108, 0.03) 22px,
      rgba(15, 122, 108, 0.03) 23px
    );
}

.framework-list {
  margin-top: 3rem;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.framework-item {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1.25rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
  opacity: 0;
  animation: rise 0.85s var(--ease-out) both;
}

.framework-item:nth-child(1) { animation-delay: 0.05s; }
.framework-item:nth-child(2) { animation-delay: 0.15s; }
.framework-item:nth-child(3) { animation-delay: 0.25s; }
.framework-item:nth-child(4) { animation-delay: 0.35s; }

.framework-index {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--teal);
  line-height: 1.3;
}

.framework-item h3 {
  font-family: var(--font-body);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.framework-item p {
  color: var(--slate);
  max-width: 38rem;
  font-weight: 300;
}

/* ---------- Valuation Toolkit ---------- */

.toolkit {
  background: var(--paper);
}

.toolkit-grid {
  margin-top: 3rem;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.toolkit-block {
  padding: 1.85rem 0;
  border-bottom: 1px solid var(--line);
}

.toolkit-block h3 {
  font-family: var(--font-body);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.9rem;
  color: var(--ink);
}

.toolkit-block ul {
  display: grid;
  gap: 0.7rem;
}

.toolkit-block li {
  color: var(--slate);
  font-weight: 300;
  font-size: 0.98rem;
  padding-left: 0.9rem;
  border-left: 2px solid rgba(15, 122, 108, 0.35);
  line-height: 1.55;
}

.toolkit-block strong {
  color: var(--ink-soft);
  font-weight: 600;
}

/* ---------- Market ---------- */

.market {
  background:
    linear-gradient(180deg, #e8f0f3 0%, #f2f6f8 100%);
}

.market-list {
  margin-top: 3rem;
}

/* ---------- Method ---------- */

.method {
  background:
    radial-gradient(ellipse at 10% 0%, rgba(15, 122, 108, 0.08), transparent 45%),
    var(--paper);
}

.method-lead {
  margin-bottom: 0;
}

.method-rows {
  margin-top: 2.75rem;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.method-row {
  padding: 1.85rem 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 0.55rem;
}

.method-row h3 {
  font-family: var(--font-body);
  font-size: 1.15rem;
  font-weight: 600;
}

.method-row p {
  max-width: 42rem;
  color: var(--slate);
  font-weight: 300;
}

/* ---------- Insights ---------- */

.insights {
  display: grid;
  grid-template-columns: 1fr;
  padding: 0;
  background: var(--ink);
  color: #eef5f7;
}

.insights-visual {
  min-height: 280px;
  background:
    linear-gradient(180deg, rgba(12, 26, 34, 0.15), rgba(12, 26, 34, 0.55)),
    url("https://images.unsplash.com/photo-1611974789855-9c2a0a7236a3?auto=format&fit=crop&w=1600&q=80")
      center / cover no-repeat;
}

.insights-copy {
  padding: clamp(3rem, 8vw, 5rem) 1.5rem;
  max-width: 36rem;
  margin: 0 auto;
  width: 100%;
}

.insights .section-label {
  color: #7dccc0;
}

.insights .section-lead {
  color: rgba(238, 245, 247, 0.72);
}

.insight-list {
  margin-top: 2.25rem;
  display: grid;
  gap: 1.35rem;
}

.insight-list li {
  padding-top: 1.25rem;
  border-top: 1px solid rgba(238, 245, 247, 0.14);
  display: grid;
  gap: 0.3rem;
}

.insight-list strong {
  font-size: 1.05rem;
  font-weight: 600;
}

.insight-list span {
  color: rgba(238, 245, 247, 0.68);
  font-weight: 300;
}

/* ---------- Join CTA ---------- */

.join {
  background:
    radial-gradient(ellipse at 70% 0%, rgba(15, 122, 108, 0.12), transparent 55%),
    linear-gradient(160deg, #e8f1f4 0%, #f5f8fa 55%, #edf3f1 100%);
  text-align: center;
}

.join-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.join h2 {
  max-width: 14ch;
}

.join .section-lead {
  margin-bottom: 1.5rem;
}

.join-perks {
  display: grid;
  gap: 0.65rem;
  margin: 0 0 1.75rem;
  max-width: 28rem;
  text-align: left;
  width: 100%;
}

.join-perks li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--slate);
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.5;
}

.join-perks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.4rem;
  height: 0.4rem;
  background: var(--teal);
  transform: rotate(45deg);
}

.join-perks strong {
  color: var(--ink);
  font-weight: 600;
}

.join-note {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--slate);
}

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

.site-footer {
  background: var(--ink);
  color: rgba(238, 245, 247, 0.7);
  padding: 2.75rem 0 2.25rem;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: #eef5f7;
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.disclaimer {
  max-width: 42rem;
  font-size: 0.88rem;
  font-weight: 300;
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.copyright {
  font-size: 0.8rem;
  color: rgba(238, 245, 247, 0.45);
}

/* ---------- Motion ---------- */

@keyframes header-in {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes hero-ken {
  from {
    transform: scale(1.06);
  }
  to {
    transform: scale(1);
  }
}

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

  .site-header {
    transition: none;
  }

  .hero-content,
  .hero-media,
  .framework-item {
    animation: none !important;
    opacity: 1;
    transform: none;
  }
}

/* ---------- Mobile floating Kakao CTA ---------- */

.fab-kakao {
  display: none;
}

@media (max-width: 767px) {
  body {
    padding-bottom: calc(5.25rem + env(safe-area-inset-bottom, 0px));
  }

  .fab-kakao {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: fixed;
    left: 0.85rem;
    right: 0.85rem;
    bottom: calc(0.85rem + env(safe-area-inset-bottom, 0px));
    z-index: 80;
    min-height: 3.6rem;
    padding: 0.55rem 1rem 0.55rem 0.55rem;
    background: var(--kakao);
    color: var(--kakao-ink);
    border-radius: 0.85rem;
    box-shadow: 0 10px 28px rgba(12, 26, 34, 0.22);
    animation: fab-in 0.55s var(--ease-out) 0.4s both;
  }

  .fab-kakao:active {
    transform: scale(0.985);
  }

  .fab-kakao-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.55rem;
    flex-shrink: 0;
    object-fit: cover;
  }

  .fab-kakao-text {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    line-height: 1.2;
  }

  .fab-kakao-text strong {
    font-size: 0.98rem;
    font-weight: 700;
  }

  .fab-kakao-text small {
    font-size: 0.75rem;
    font-weight: 500;
    opacity: 0.72;
  }
}

@keyframes fab-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .fab-kakao {
    animation: none !important;
  }
}

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

@media (min-width: 768px) {
  .trust-bar-inner {
    grid-template-columns: repeat(3, 1fr);
    text-align: left;
    gap: 1.5rem;
  }

  .diff-row {
    grid-template-columns: 1fr 1.15fr;
    gap: 1.5rem;
    align-items: baseline;
  }

  .diff-row > span:first-child {
    text-decoration: none;
    padding-right: 1rem;
    border-right: 1px solid var(--line);
  }

  .mentor-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 0 1.5rem;
    border-top: none;
  }

  .mentor-list li {
    border-top: 1px solid var(--line);
    padding-top: 1.25rem;
  }

  .hero-convert {
    min-height: 78svh;
  }

  .report-locked {
    max-height: 12.5rem;
  }

  .report-unlock {
    padding: 1rem 2rem 1.5rem;
  }

  .report-masthead {
    grid-template-columns: 1.4fr 1fr;
    align-items: end;
  }

  .report-meta {
    border-top: none;
    padding-top: 0;
    grid-template-columns: 1fr 1fr;
  }

  .thesis-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .thesis-item {
    padding-top: 0;
    border-top: none;
    padding-left: 1.1rem;
    border-left: 2px solid rgba(15, 122, 108, 0.35);
  }

  .watch-metrics {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 960px) {
  .framework-item {
    grid-template-columns: 6rem 1fr;
    gap: 2rem;
    padding: 2rem 0;
  }
}

@media (max-width: 640px) {
  .hero-convert .hero-content {
    padding-bottom: 2.5rem;
  }

  .framework-item {
    grid-template-columns: 3.25rem 1fr;
    gap: 0.85rem;
  }
}