/* ============================================================
   ZHOU JING — PORTFOLIO
   Design: Minimalist · Cream White + Wine Red
   ============================================================ */

/* ── Tokens ─────────────────────────────────────────────── */
:root {
  --cream:       #F7F4EF;
  --cream-dark:  #EDE8DF;
  --cream-mid:   #E8E2D8;
  --wine:        #8B1A2B;
  --wine-light:  #A82237;
  --wine-pale:   #F3E6E8;
  --charcoal:    #1C1C1C;
  --ink:         #2E2E2E;
  --muted:       #7A736A;
  --line:        #D5CDBF;

  --font-serif:  'Playfair Display', Georgia, serif;
  --font-sans:   'Inter', system-ui, sans-serif;

  --radius:      2px;
  --section-gap: 120px;
  --container:   1120px;
  --transition:  0.38s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ── Container ───────────────────────────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
}

/* ── Reveal animation ────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── Section layout ──────────────────────────────────────── */
.section {
  padding: var(--section-gap) 0;
}

.section-header {
  margin-bottom: 64px;
}

.section-label {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--wine);
  margin-bottom: 10px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--charcoal);
  line-height: 1.2;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: var(--wine);
  margin-top: 16px;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  background: var(--wine);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.btn-primary:hover {
  background: var(--wine-light);
  transform: translateY(-2px);
}

.btn-primary.full-width {
  width: 100%;
  justify-content: center;
}

/* ════════════════════════════════════════════════════════════
   NAV
   ════════════════════════════════════════════════════════════ */
.nav-wrap {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}

.nav-wrap.scrolled {
  background: rgba(247, 244, 239, 0.96);
  box-shadow: 0 1px 0 var(--line);
  backdrop-filter: blur(8px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container);
  margin: 0 auto;
  padding: 22px 40px;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--charcoal);
  letter-spacing: 0.06em;
}

.nav-links {
  display: flex;
  gap: 40px;
}

.nav-links a {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--ink);
  position: relative;
  padding-bottom: 2px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--wine);
  transition: width var(--transition);
}

.nav-links a:hover::after { width: 100%; }
.nav-links a:hover { color: var(--wine); }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--cream);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.mobile-menu.open { display: flex; }

.mobile-menu ul {
  display: flex;
  flex-direction: column;
  gap: 36px;
  text-align: center;
}

.mobile-link {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 400;
  color: var(--charcoal);
  transition: color var(--transition);
}

.mobile-link:hover { color: var(--wine); }

/* ════════════════════════════════════════════════════════════
   HERO
   ════════════════════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 100px 40px 60px;
}

/* Decorative line */
.hero-bg-line {
  position: absolute;
  top: 0; right: 15%;
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, var(--line) 30%, var(--line) 70%, transparent);
  pointer-events: none;
}

.hero-content {
  max-width: 680px;
  text-align: left;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--wine);
  margin-bottom: 20px;
}

.hero-name {
  font-family: var(--font-serif);
  font-size: clamp(3.5rem, 10vw, 7rem);
  font-weight: 600;
  color: var(--charcoal);
  line-height: 1.05;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.hero-divider {
  width: 60px;
  height: 2px;
  background: var(--wine);
  margin-bottom: 24px;
}

.hero-tagline {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  font-style: italic;
  color: var(--muted);
  margin-bottom: 32px;
  line-height: 1.6;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 40px;
  font-size: 13px;
  color: var(--muted);
}

.hero-meta i {
  color: var(--wine);
  margin-right: 6px;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--muted);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ════════════════════════════════════════════════════════════
   ABOUT
   ════════════════════════════════════════════════════════════ */
.about {
  background: var(--cream-dark);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-intro {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--charcoal);
  margin-bottom: 20px;
  line-height: 1.6;
}

.about-text p {
  color: var(--muted);
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.about-text strong { color: var(--charcoal); }

.skills-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.skill-tag {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--wine);
  border: 1px solid var(--wine);
  padding: 5px 14px;
  transition: background var(--transition), color var(--transition);
}

.skill-tag:hover {
  background: var(--wine);
  color: #fff;
}

/* Stats */
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.stat-card {
  background: var(--cream);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-num {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 600;
  color: var(--wine);
  line-height: 1;
}

.stat-num sup {
  font-size: 0.55em;
  vertical-align: super;
}

.stat-desc {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ════════════════════════════════════════════════════════════
   WORKS
   ════════════════════════════════════════════════════════════ */
.works { background: var(--cream); }

.project-card {
  display: grid;
  grid-template-columns: 80px 1fr 360px;
  gap: 0;
  border-top: 1px solid var(--line);
  padding: 60px 0;
  position: relative;
  transition: background var(--transition);
}

.project-card:last-child { border-bottom: 1px solid var(--line); }

.project-index {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 600;
  color: var(--cream-mid);
  line-height: 1;
  padding-top: 4px;
  user-select: none;
}

.project-body {
  padding-right: 48px;
}

.project-meta-line {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 14px;
}

.project-platform {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--wine);
  font-weight: 500;
}

.project-platform i { margin-right: 5px; }

.project-year {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.05em;
}

.project-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 8px;
  line-height: 1.2;
}

.project-subtitle {
  font-size: 0.9rem;
  color: var(--wine);
  margin-bottom: 20px;
  font-style: italic;
}

.project-desc {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 24px;
}

.project-highlights {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.project-highlights li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--ink);
}

.project-highlights .fa-circle-check {
  color: var(--wine);
  font-size: 12px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.tag {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  background: var(--cream-dark);
  padding: 4px 12px;
  border: 1px solid var(--line);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--wine);
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--wine);
  padding-bottom: 2px;
  transition: gap var(--transition), color var(--transition);
}

.project-link:hover {
  gap: 12px;
  color: var(--wine-light);
}

/* Project Visual */
.project-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.visual-frame {
  width: 100%;
  max-width: 300px;
  background: var(--charcoal);
  color: #fff;
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
}

.visual-frame::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--wine);
}

.visual-frame.alt {
  background: var(--wine);
}

.visual-frame.alt::before {
  background: var(--charcoal);
}

.visual-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  opacity: 0.8;
}

.visual-label {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: 28px;
}

.visual-metrics {
  display: flex;
  gap: 24px;
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.m-val {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 600;
  line-height: 1;
}

.m-val sup {
  font-size: 0.5em;
  vertical-align: super;
}

.m-key {
  font-size: 11px;
  opacity: 0.65;
  letter-spacing: 0.06em;
}

/* ════════════════════════════════════════════════════════════
   WORKS — NEW TABS & CASE CARDS
   ════════════════════════════════════════════════════════════ */

/* ── Tab switcher ──────────────────────────────────────────── */
.works-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--line);
  margin-bottom: 64px;
}

.works-tab {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 12px 28px 14px;
  position: relative;
  transition: color var(--transition);
}

.works-tab::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 2px;
  background: var(--wine);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.works-tab:hover { color: var(--ink); }
.works-tab.active { color: var(--wine); }
.works-tab.active::after { transform: scaleX(1); }

/* ── Panel ─────────────────────────────────────────────────── */
.works-panel { display: none; }
.works-panel.active { display: block; }

/* ── Series Block ───────────────────────────────────────────── */
.series-block {
  margin-bottom: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--line);
}

.series-block:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.series-label-wrap {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 28px;
}

.series-badge {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
  background: var(--wine);
  padding: 4px 12px;
  flex-shrink: 0;
}

.series-badge.brand {
  background: var(--charcoal);
}

.series-summary {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* ── Case Grid ─────────────────────────────────────────────── */
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

/* ── Case Card ─────────────────────────────────────────────── */
.case-card {
  background: var(--cream);
  border: 1px solid var(--line);
  padding: 28px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: box-shadow var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}

.case-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--wine);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.case-card:hover {
  box-shadow: 0 8px 32px rgba(139, 26, 43, 0.08);
  transform: translateY(-3px);
}

.case-card:hover::before { transform: scaleX(1); }

.case-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

/* Platform badges */
.case-platform {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: 2px;
}

.case-platform.xhs {
  background: #fff1f2;
  color: #c91b4f;
  border: 1px solid #fdd6df;
}

.case-platform.dy {
  background: #f0f0f0;
  color: #1a1a1a;
  border: 1px solid #e0e0e0;
}

.case-platform.bili {
  background: #e8f4fe;
  color: #0a7ad9;
  border: 1px solid #bdddf9;
}

.case-kol {
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  background: var(--cream-dark);
  border: 1px solid var(--line);
  padding: 3px 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 140px;
}

.case-desc {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.75;
  flex: 1;
}

.case-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.case-metric {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--wine);
  background: var(--wine-pale);
  border: 1px solid rgba(139, 26, 43, 0.15);
  padding: 3px 10px;
  letter-spacing: 0.04em;
}

.case-metric i { font-size: 10px; }

.case-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 500;
  color: var(--wine);
  letter-spacing: 0.05em;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: gap var(--transition), border-color var(--transition);
  margin-top: auto;
}

.case-link:hover {
  gap: 10px;
  border-bottom-color: var(--wine);
}

/* ── Brand cards (wider layout) ─────────────────────────────── */
.brand-grid {
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

.brand-card-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 4px;
}

.brand-icon {
  width: 38px;
  height: 38px;
  background: var(--charcoal);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  flex-shrink: 0;
}

.brand-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.brand-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--charcoal);
  letter-spacing: 0.03em;
}

.case-kol-inline {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* ════════════════════════════════════════════════════════════
   KOL RESOURCES
   ════════════════════════════════════════════════════════════ */
.kol {
  background: var(--cream-dark);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.kol-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.kol-intro {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--charcoal);
  margin-bottom: 20px;
  line-height: 1.4;
}

.highlight-red {
  color: var(--wine);
}

.kol-text p {
  font-size: 0.93rem;
  color: var(--muted);
  margin-bottom: 16px;
  line-height: 1.8;
}

.kol-values {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 32px;
}

.kol-value-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.kv-icon {
  width: 40px;
  height: 40px;
  background: var(--wine-pale);
  color: var(--wine);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  flex-shrink: 0;
}

.kol-value-item strong {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--charcoal);
  margin-bottom: 4px;
}

.kol-value-item p {
  font-size: 13px !important;
  margin: 0 !important;
}

/* KOL Visual */
.kol-chart-wrap {
  background: var(--cream);
  border: 1px solid var(--line);
  padding: 48px 40px;
}

.kol-big-num {
  font-family: var(--font-serif);
  font-size: 4rem;
  font-weight: 600;
  color: var(--wine);
  line-height: 1;
  margin-bottom: 8px;
}

.kol-big-num sup {
  font-size: 0.45em;
  vertical-align: super;
}

.kol-big-label {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.kol-tiers {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.tier-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tier-name {
  font-size: 12px;
  color: var(--ink);
  width: 80px;
  flex-shrink: 0;
}

.tier-bar-wrap {
  flex: 1;
  height: 4px;
  background: var(--cream-mid);
}

.tier-bar {
  height: 100%;
  background: var(--wine);
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
  width: 0 !important; /* JS drives this */
}

.tier-bar.animated {
  width: var(--target-width) !important;
}

.tier-pct {
  font-size: 12px;
  font-weight: 500;
  color: var(--wine);
  width: 32px;
  text-align: right;
}

.kol-note {
  font-size: 12px;
  color: var(--muted);
  font-style: italic;
}

/* ════════════════════════════════════════════════════════════
   CONTACT
   ════════════════════════════════════════════════════════════ */
.contact { background: var(--cream); }

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-text p {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 16px;
  line-height: 1.8;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 32px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 14px;
  color: var(--ink);
  transition: color var(--transition);
}

.contact-item i {
  width: 36px;
  height: 36px;
  background: var(--cream-dark);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--wine);
  transition: background var(--transition), color var(--transition);
  flex-shrink: 0;
}

.contact-item:hover { color: var(--wine); }
.contact-item:hover i { background: var(--wine); color: #fff; }

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.form-group label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--charcoal);
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--line);
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 300;
  outline: none;
  transition: border-color var(--transition);
  resize: none;
  border-radius: 0;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--wine);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--line);
}

.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  color: var(--wine);
  font-size: 14px;
  padding: 12px 0;
}

.form-success.show { display: flex; }
.form-success i { font-size: 16px; }

/* ════════════════════════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════════════════════════ */
.footer {
  background: var(--charcoal);
  padding: 48px 0;
  border-top: 3px solid var(--wine);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-copy {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

.footer-nav {
  display: flex;
  gap: 32px;
}

.footer-nav a {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}

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

.footer-motto {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  color: rgba(255,255,255,0.3);
}

/* ════════════════════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════════════════════ */
@media (max-width: 960px) {
  :root { --section-gap: 80px; }

  .container { padding: 0 24px; }
  .nav-inner { padding: 20px 24px; }

  .nav-links { display: none; }
  .nav-toggle { display: flex; }

  .about-grid,
  .kol-layout,
  .contact-layout { grid-template-columns: 1fr; gap: 48px; }

  .about-stats { grid-template-columns: 1fr 1fr; }

  .case-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }

  .works-tab { padding: 10px 18px 12px; font-size: 12px; }
}

@media (max-width: 600px) {
  :root { --section-gap: 60px; }

  .container { padding: 0 20px; }

  .hero { padding: 100px 20px 80px; }
  .hero-name { letter-spacing: 0; }
  .hero-meta { gap: 14px; }

  .about-stats { grid-template-columns: 1fr 1fr; }
  .stat-card { padding: 24px 20px; }

  .case-grid { grid-template-columns: 1fr; }
  .series-label-wrap { flex-direction: column; gap: 6px; }
  .works-tabs { gap: 0; overflow-x: auto; }
  .works-tab { white-space: nowrap; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-nav { flex-wrap: wrap; gap: 16px; }

  .kol-chart-wrap { padding: 32px 24px; }
  .kol-big-num { font-size: 3rem; }
}