/* ============================================
   ROI SECTION
   ============================================ */
.roi-section { padding: 120px 0; background: var(--bg-2); }

.roi-subtitle {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 640px;
  margin-bottom: 56px;
}
.roi-subtitle strong { color: var(--fg); font-weight: 500; }

/* Cards */
.roi-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}
.roi-card {
  padding: 32px;
  border: 1px solid var(--border);
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.roi-card--mid {
  border-color: rgba(200,169,110,0.15);
  background: rgba(200,169,110,0.02);
}
:root[data-theme="light"] .roi-card--mid {
  border-color: rgba(15,118,110,0.22);
  background: rgba(15,118,110,0.035);
}
.roi-card--highlight {
  border-color: rgba(200,169,110,0.4);
  background: linear-gradient(135deg, rgba(200,169,110,0.06) 0%, transparent 70%);
}
:root[data-theme="light"] .roi-card--highlight {
  border-color: rgba(15,118,110,0.34);
  background: linear-gradient(135deg, rgba(15,118,110,0.07) 0%, rgba(183,121,31,0.04) 70%);
}

.roi-card-eyebrow {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.roi-card-value {
  font-size: 40px;
  font-weight: 200;
  letter-spacing: -0.03em;
  color: var(--fg);
  line-height: 1;
}
.roi-card-value--accent { color: var(--accent); }

.roi-card-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  margin-top: auto;
}
.roi-card-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  color: var(--fg-muted);
}
.roi-card-list li span:last-child {
  font-size: 12px;
  color: var(--accent);
  white-space: nowrap;
  flex-shrink: 0;
}
.roi-card-note {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* Valuation block */
.roi-valuation {
  border: 1px solid var(--border);
  background: var(--bg);
  padding: 32px;
  margin-bottom: 40px;
}
.roi-valuation-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.roi-valuation-label {
  font-size: 14px;
  color: var(--fg);
  font-weight: 500;
  margin-bottom: 4px;
}
.roi-valuation-desc { font-size: 13px; color: var(--fg-muted); }
.roi-valuation-total {
  font-size: 36px;
  font-weight: 200;
  letter-spacing: -0.03em;
  color: var(--accent);
  white-space: nowrap;
}

.roi-systems-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.roi-system-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  gap: 16px;
}
.roi-system-item:last-child { border-bottom: none; }
.roi-system-name { font-size: 14px; color: var(--fg-muted); }
.roi-system-value { font-size: 14px; color: var(--accent); white-space: nowrap; flex-shrink: 0; }

/* Quote */
.roi-quote {
  border-left: 2px solid var(--accent);
  padding: 24px 32px;
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
}
.roi-quote p {
  font-size: 17px;
  font-style: italic;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 12px;
  font-family: var(--font-serif);
}
.roi-quote cite { font-size: 12px; color: var(--accent); letter-spacing: 0.08em; }

@media (max-width: 900px) {
  .roi-cards { grid-template-columns: 1fr; }
}

/* ============================================
   IMPACT CASE
   ============================================ */
.impact { padding: 120px 0; }

/* Header */
.impact-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.impact-header-stat { text-align: right; flex-shrink: 0; }
.impact-header-value {
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 200;
  letter-spacing: -0.02em;
  color: var(--accent);
  line-height: 1;
}
.impact-header-label {
  font-size: 12px;
  color: var(--fg-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 6px;
}

/* Contexto */
.impact-context {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 48px;
  padding: 32px;
  background: var(--bg-2);
  border: 1px solid var(--border);
}
.impact-context p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.8;
}
.impact-context p strong { color: var(--fg); font-weight: 500; }

/* Grid de colunas */
.impact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.impact-col {
  border: 1px solid var(--border);
  background: var(--bg-2);
  overflow: hidden;
}

.impact-col-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 24px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
}
.impact-col-header--tangible  { background: rgba(200,169,110,0.06); color: var(--accent); border-bottom: 1px solid rgba(200,169,110,0.15); }
.impact-col-header--intangible { background: rgba(100,140,200,0.06); color: #7ba4d4; border-bottom: 1px solid rgba(100,140,200,0.15); }
:root[data-theme="light"] .impact-col-header--intangible { color: #2563eb; background: rgba(37,99,235,0.055); border-bottom-color: rgba(37,99,235,0.16); }

.impact-item {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.impact-item:last-of-type { border-bottom: none; }

.impact-item-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.impact-item-title {
  font-size: 14px;
  color: var(--fg);
  font-weight: 500;
}
.impact-item-range {
  font-size: 13px;
  color: var(--accent);
  white-space: nowrap;
  flex-shrink: 0;
}
.impact-item-badge {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #7ba4d4;
  border: 1px solid rgba(100,140,200,0.25);
  padding: 2px 8px;
  border-radius: 2px;
  white-space: nowrap;
  flex-shrink: 0;
}
:root[data-theme="light"] .impact-item-badge { color: #2563eb; border-color: rgba(37,99,235,0.28); }
.impact-item-desc {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.7;
}

.impact-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: rgba(200,169,110,0.06);
  border-top: 1px solid rgba(200,169,110,0.2);
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-muted);
  gap: 12px;
}
.impact-total span:last-child {
  color: var(--accent);
  font-size: 16px;
  white-space: nowrap;
}

.impact-lesson-box {
  display: flex;
  gap: 12px;
  padding: 20px 24px;
  background: rgba(100,140,200,0.04);
  border-top: 1px solid rgba(100,140,200,0.15);
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.7;
  font-style: italic;
}
.impact-lesson-box svg { flex-shrink: 0; margin-top: 2px; color: #7ba4d4; }
:root[data-theme="light"] .impact-lesson-box { background: rgba(37,99,235,0.045); border-top-color: rgba(37,99,235,0.15); }
:root[data-theme="light"] .impact-lesson-box svg { color: #2563eb; }
.impact-lesson-box strong { color: var(--fg); font-style: normal; }

@media (max-width: 900px) {
  .impact-context { grid-template-columns: 1fr; }
  .impact-grid    { grid-template-columns: 1fr; }
  .impact-header  { flex-direction: column; }
  .impact-header-stat { text-align: left; }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--accent);
  color: var(--accent-contrast);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: background 0.2s, transform 0.2s;
}
.btn-primary:hover { background: #dfc07e; transform: translateY(-1px); }
:root[data-theme="light"] .btn-primary:hover { background: #0b5f59; }
.btn-primary svg   { transition: transform 0.2s; }
.btn-primary:hover svg { transform: translateX(3px); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 0.04em;
  transition: color 0.2s;
}
.btn-ghost:hover { color: var(--fg); }
.btn-ghost svg { transition: transform 0.2s; }
.btn-ghost:hover svg { transform: translateX(4px); }

/* ============================================
   HEADER
   ============================================ */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background 0.4s, backdrop-filter 0.4s, border-bottom 0.4s;
}
header.scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
:root[data-theme="light"] header.scrolled {
  background: rgba(255, 255, 255, 0.86);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.nav-logo {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--fg);
}
.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--fg-muted);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--fg); }

.nav-cta {
  font-size: 13px;
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--fg);
  transition: border-color 0.2s, background 0.2s;
}
.nav-cta:hover { border-color: var(--accent); background: rgba(200, 169, 110, 0.06); }
:root[data-theme="light"] .nav-cta:hover,
:root[data-theme="light"] .theme-toggle:hover {
  background: rgba(15, 118, 110, 0.07);
}

.theme-toggle {
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--fg);
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}
.theme-toggle:hover {
  border-color: var(--accent);
  background: rgba(200, 169, 110, 0.06);
}
:root[data-theme="light"] .theme-toggle:hover {
  background: rgba(15, 118, 110, 0.07);
}
.theme-toggle-icon {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid currentColor;
  box-shadow: inset -5px -5px 0 0 currentColor;
  transition: box-shadow 0.25s, transform 0.25s;
}
:root[data-theme="light"] .theme-toggle-icon {
  box-shadow: inset 0 0 0 0 currentColor;
  transform: rotate(90deg);
}

/* Mobile toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.mobile-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--fg);
  transition: transform 0.3s, opacity 0.3s;
}
.mobile-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.mobile-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile menu overlay */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-h); left: 0; right: 0; bottom: 0;
  background: var(--bg);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 28px;
  font-weight: 300;
  letter-spacing: 0.04em;
  color: var(--fg-muted);
  transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--fg); }
.mobile-theme-toggle {
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 18px;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 60% 30%, rgba(200, 169, 110, 0.07) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 20% 80%, rgba(100, 80, 40, 0.06) 0%, transparent 50%);
}
:root[data-theme="light"] .hero-bg {
  background:
    radial-gradient(ellipse 70% 55% at 62% 24%, rgba(15, 118, 110, 0.1) 0%, transparent 62%),
    radial-gradient(ellipse 60% 70% at 18% 78%, rgba(183, 121, 31, 0.1) 0%, transparent 52%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black, transparent);
}
:root[data-theme="light"] .hero-grid {
  background-image:
    linear-gradient(rgba(20,23,28,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,23,28,0.055) 1px, transparent 1px);
}
.hero-strip-grid {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  opacity: 0.15;
  pointer-events: none;
}
.hero-strip-grid .strip {
  border-right: 1px solid rgba(255,255,255,0.03);
}
.hero-strip-grid .strip:nth-child(1) { background: linear-gradient(to bottom, #1a1510, #0d0d0d, #1a1510); }
.hero-strip-grid .strip:nth-child(2) { background: linear-gradient(160deg, #1a1510, #0d0d0d, #1a1510); }
.hero-strip-grid .strip:nth-child(3) { background: linear-gradient(to bottom, #12100e, #0d0d0d, #12100e); }
.hero-strip-grid .strip:nth-child(4) { background: linear-gradient(200deg, #12100e, #0d0d0d, #12100e); }
:root[data-theme="light"] .hero-strip-grid { opacity: 0.22; }
:root[data-theme="light"] .hero-strip-grid .strip {
  border-right-color: rgba(20, 23, 28, 0.06);
}
:root[data-theme="light"] .hero-strip-grid .strip:nth-child(1) { background: linear-gradient(to bottom, #ffffff, #edf5f3, #ffffff); }
:root[data-theme="light"] .hero-strip-grid .strip:nth-child(2) { background: linear-gradient(160deg, #f8fafc, #ffffff, #edf2f7); }
:root[data-theme="light"] .hero-strip-grid .strip:nth-child(3) { background: linear-gradient(to bottom, #ffffff, #f6f1e7, #ffffff); }
:root[data-theme="light"] .hero-strip-grid .strip:nth-child(4) { background: linear-gradient(200deg, #f5f7fa, #ffffff, #eef7f5); }

.hero-content {
  position: relative;
  z-index: 2;
  padding: 120px 0 80px;
  width: 100%;
}
.hero-eyebrow {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
}
.hero-title {
  font-size: clamp(52px, 9vw, 130px);
  font-weight: 300;
  line-height: 0.92;
  letter-spacing: -0.03em;
  margin-bottom: 40px;
}
.hero-title em {
  font-style: italic;
  font-family: var(--font-serif);
  color: var(--accent);
}
.hero-desc {
  max-width: 480px;
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 48px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--fg-subtle);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  z-index: 2;
  animation: fadeInUp 1s var(--ease) 1.5s both;
}
.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--fg-subtle), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

/* ============================================
   STATS BAR
   ============================================ */
.stats-bar {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 32px 0;
  background: var(--bg-2);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat-item {
  padding: 8px 24px;
  border-right: 1px solid var(--border);
  text-align: center;
}
.stat-item:first-child { padding-left: 0; }
.stat-item:last-child  { border-right: none; }
.stat-number {
  font-size: 40px;
  font-weight: 200;
  letter-spacing: -0.03em;
  color: var(--fg);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-number.stat-word {
  font-size: clamp(28px, 3vw, 38px);
  letter-spacing: 0;
}
.stat-number sup { color: var(--accent); font-size: 24px; vertical-align: top; line-height: 1.4; }
.stat-label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

/* ============================================
   PORTFOLIO GRID
   ============================================ */
.work { padding: 120px 0; }
.work-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 64px;
  gap: 24px;
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 12px;
}
.portfolio-item {
  position: relative;
  overflow: hidden;
  background: var(--bg-3);
  border: 1px solid rgba(255,255,255,0.06);
  min-height: 360px;
}
:root[data-theme="light"] .portfolio-item {
  display: flex;
  flex-direction: column;
  background: #ffffff;
  border-color: rgba(20, 23, 28, 0.12);
  box-shadow: 0 18px 48px rgba(20, 23, 28, 0.08);
  min-height: 0;
  aspect-ratio: auto !important;
}
.portfolio-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(0,0,0,0.88) 0%, rgba(0,0,0,0.48) 46%, rgba(0,0,0,0.12) 100%),
    linear-gradient(135deg, rgba(200,169,110,0.15), transparent 42%);
  opacity: 1;
  transition: opacity 0.4s;
}
:root[data-theme="light"] .portfolio-item::after {
  display: none;
}
.portfolio-item:hover::after  { opacity: 1; }
.portfolio-item:hover .portfolio-meta { transform: translateY(0); }
.portfolio-item:hover .portfolio-ph   { transform: scale(1.04); }
:root[data-theme="light"] .portfolio-item:hover .portfolio-ph { transform: none; }

.portfolio-item:nth-child(1) { grid-column: span 7; aspect-ratio: 16/10; }
.portfolio-item:nth-child(2) { grid-column: span 5; aspect-ratio: 4/5; }
.portfolio-item:nth-child(3) { grid-column: span 4; aspect-ratio: 4/5; }
.portfolio-item:nth-child(4) { grid-column: span 8; aspect-ratio: 16/9; }
.portfolio-item:nth-child(5) { grid-column: span 12; aspect-ratio: 16/7; }
.portfolio-item:nth-child(6) { grid-column: span 8; aspect-ratio: 16/9; }
:root[data-theme="light"] .portfolio-item:nth-child(1),
:root[data-theme="light"] .portfolio-item:nth-child(2),
:root[data-theme="light"] .portfolio-item:nth-child(3),
:root[data-theme="light"] .portfolio-item:nth-child(4) {
  grid-column: span 6;
}
:root[data-theme="light"] .portfolio-item:nth-child(5) {
  grid-column: span 12;
}
:root[data-theme="light"] .portfolio-item:nth-child(5) .portfolio-ph {
  height: clamp(240px, 24vw, 340px);
}

.portfolio-ph {
  position: absolute;
  inset: 0;
  transition: transform 0.6s var(--ease);
  display: flex;
  align-items: center;
  justify-content: center;
}
:root[data-theme="light"] .portfolio-ph {
  position: relative;
  inset: auto;
  height: clamp(220px, 28vw, 360px);
  border-bottom: 1px solid rgba(20, 23, 28, 0.1);
  background: #f5f7fa;
  overflow: hidden;
}
.portfolio-ph img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
  opacity: 0.9;
}
:root[data-theme="light"] .portfolio-ph img {
  opacity: 1;
  filter: saturate(0.92) contrast(0.98) brightness(1.22);
}
.portfolio-ph-1 { background: linear-gradient(135deg, #1a1208, #0d0d0d, #1c1508); }
.portfolio-ph-2 { background: linear-gradient(160deg, #0e1018, #0a0a0a, #121016); }
.portfolio-ph-3 { background: linear-gradient(200deg, #140e08, #0a0a0a, #1a1208); }
.portfolio-ph-4 { background: linear-gradient(120deg, #0d1218, #0a0a0a, #0e1218); }
.portfolio-ph-5 { background: linear-gradient(250deg, #18100a, #0a0a0a, #14100a); }
.portfolio-ph-6 { background: linear-gradient(170deg, #0d0e14, #0a0a0a, #0e1014); }

.portfolio-meta {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 24px;
  z-index: 2;
  transform: translateY(8px);
  transition: transform 0.4s;
}
:root[data-theme="light"] .portfolio-meta {
  position: relative;
  bottom: auto;
  left: auto;
  right: auto;
  padding: 28px;
  transform: none;
  background: #ffffff;
}
.portfolio-kicker {
  margin-bottom: 12px;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.portfolio-meta h3 {
  max-width: 620px;
  font-size: clamp(22px, 2.8vw, 38px);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--fg);
  margin-bottom: 8px;
}
.portfolio-meta .tag {
  display: block;
  font-size: 12px;
  color: rgba(245,245,245,0.78);
  letter-spacing: 0.08em;
}
:root[data-theme="light"] .portfolio-meta .tag {
  color: var(--fg-muted);
}
.portfolio-meta p {
  max-width: 620px;
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(245,245,245,0.76);
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
:root[data-theme="light"] .portfolio-meta p {
  color: var(--fg-muted);
}
.portfolio-tech {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.portfolio-value {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.portfolio-tech span {
  font-size: 10px;
  padding: 4px 9px;
  border: 1px solid rgba(200,169,110,0.3);
  background: rgba(10,10,10,0.42);
  color: rgba(235,205,150,0.82);
  border-radius: 2px;
  letter-spacing: 0.06em;
  backdrop-filter: blur(10px);
}
:root[data-theme="light"] .portfolio-tech span {
  border-color: rgba(15, 118, 110, 0.24);
  background: rgba(15, 118, 110, 0.065);
  color: #0f766e;
  backdrop-filter: none;
}

/* ============================================
   FEATURED LIST
   ============================================ */
.featured { padding: 120px 0; }
.featured-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border);
  margin-top: 48px;
}
.featured-item {
  display: grid;
  grid-template-columns: 80px 1fr auto auto;
  gap: 40px;
  align-items: center;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: padding-left 0.3s var(--ease);
}
.featured-item:hover { padding-left: 16px; }
.featured-item:hover .featured-title { color: var(--accent); }
.featured-item:hover .featured-arrow { opacity: 1; transform: translateX(0); }

.featured-num   { font-size: 11px; letter-spacing: 0.08em; color: var(--fg-subtle); font-variant-numeric: tabular-nums; }
.featured-title { font-size: clamp(20px, 2.5vw, 34px); font-weight: 300; letter-spacing: -0.02em; color: var(--fg); transition: color 0.3s; }
.featured-title em { font-style: italic; font-family: var(--font-serif); }
.featured-info  { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }
.featured-category { font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }
.featured-year      { font-size: 12px; color: var(--fg-subtle); }
.featured-arrow {
  font-size: 20px;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.3s, transform 0.3s;
  color: var(--accent);
}

/* ============================================
   ABOUT
   ============================================ */
.about { padding: 120px 0; background: var(--bg-2); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-image-wrap { position: relative; }
.about-image-wrap::before {
  content: '';
  position: absolute;
  top: -20px; left: -20px;
  right: 20px; bottom: 20px;
  border: 1px solid var(--accent-dim);
  opacity: 0.3;
  pointer-events: none;
}
.about-portrait {
  width: 100%;
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, #1a1510, #0d0d0d, #1a1512);
  position: relative;
  overflow: hidden;
  margin: 0;
}
.about-portrait::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, transparent 58%, rgba(10,10,10,0.35)),
    radial-gradient(circle at 50% 26%, rgba(200,169,110,0.1) 0%, transparent 55%);
  pointer-events: none;
}
.about-portrait img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center top;
  filter: saturate(0.92) contrast(1.04);
}
.about-content p {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}
.about-content p strong { color: var(--fg); font-weight: 500; }

.about-career {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 28px 0 32px;
}
.about-career-item {
  padding: 18px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.015);
}
.about-career-item span {
  display: block;
  margin-bottom: 12px;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.about-career-item strong {
  display: block;
  margin-bottom: 8px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.35;
  color: var(--fg);
}
.about-career-item small {
  display: block;
  font-size: 13px;
  line-height: 1.6;
  color: var(--fg-muted);
}

.about-next {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 24px;
  border: 1px solid rgba(200,169,110,0.2);
  background: rgba(200,169,110,0.03);
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.about-next-label {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-subtle);
  white-space: nowrap;
  padding-top: 2px;
}
.about-next-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 180px;
}
.about-next-text strong {
  font-size: 14px;
  color: var(--fg);
  font-weight: 500;
}
.about-next-text span {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.6;
}
.about-next-badge {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(200,169,110,0.3);
  padding: 3px 10px;
  border-radius: 2px;
  white-space: nowrap;
  align-self: flex-start;
}

.skills-list {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.skill-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--fg-muted);
}
.skill-dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ============================================
   WRITING / BLOG
   ============================================ */
.writing { padding: 120px 0; }
.writing-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 64px;
}
.writing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.article-card {
  width: 100%;
  text-align: left;
  padding: 32px;
  border: 1px solid var(--border);
  background: var(--bg-2);
  color: inherit;
  transition: border-color 0.3s, transform 0.3s;
  cursor: pointer;
}
.article-card:hover { border-color: var(--accent-dim); transform: translateY(-4px); }
.article-tag {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.article-title {
  font-size: 19px;
  font-weight: 400;
  color: var(--fg);
  line-height: 1.4;
  margin-bottom: 12px;
}
.article-excerpt {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}
.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--fg-subtle);
}
.article-read {
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s;
}
.article-card:hover .article-read { gap: 8px; }

.article-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.article-modal.open { display: flex; }
.article-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(14px);
}
:root[data-theme="light"] .article-modal-backdrop {
  background: rgba(20,23,28,0.38);
}
.article-reader {
  position: relative;
  width: min(760px, 100%);
  max-height: min(760px, calc(100vh - 48px));
  overflow-y: auto;
  padding: clamp(28px, 5vw, 56px);
  border: 1px solid var(--border);
  background: var(--bg);
  box-shadow: 0 28px 80px rgba(0,0,0,0.38);
}
.article-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 34px;
  height: 34px;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--fg-muted);
  font-size: 22px;
  line-height: 1;
}
.article-close:hover {
  color: var(--accent);
  border-color: var(--accent);
}
.article-reader-tag {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}
.article-reader-title {
  max-width: 620px;
  font-size: clamp(34px, 6vw, 62px);
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 14px;
}
.article-reader-meta {
  font-size: 12px;
  color: var(--fg-subtle);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 30px;
}
.article-reader-content {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.article-reader-content p {
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.85;
  color: var(--fg-muted);
}

/* ============================================
   SPEAKING
   ============================================ */
.speaking { padding: 120px 0; background: var(--bg-2); }
.speaking-list {
  margin-top: 64px;
  border-top: 1px solid var(--border);
}
.speaking-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
  align-items: center;
}
.speaking-name { font-size: 18px; color: var(--fg); font-weight: 400; margin-bottom: 4px; }
.speaking-desc { font-size: 14px; color: var(--fg-muted); }
.speaking-meta { text-align: right; }
.speaking-date     { font-size: 12px; color: var(--accent); margin-bottom: 2px; }
.speaking-location { font-size: 12px; color: var(--fg-subtle); }

/* ============================================
   CONTACT
   ============================================ */
.contact {
  padding: 140px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(200,169,110,0.06) 0%, transparent 70%);
  pointer-events: none;
}
:root[data-theme="light"] .contact::before {
  background: radial-gradient(circle, rgba(15,118,110,0.08) 0%, transparent 70%);
}
.contact-title {
  font-size: clamp(40px, 7vw, 100px);
  font-weight: 200;
  letter-spacing: -0.04em;
  line-height: 0.9;
  margin-bottom: 32px;
  position: relative;
}
.contact-title em {
  font-style: italic;
  font-family: var(--font-serif);
  color: var(--accent);
}
.contact-subtitle {
  font-size: 18px;
  color: var(--fg-muted);
  margin: 0 auto 48px;
  max-width: 480px;
  position: relative;
}
.contact-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: clamp(16px, 2.2vw, 28px);
  color: var(--fg);
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
  transition: border-color 0.3s, color 0.3s;
  position: relative;
}
.contact-email:hover { border-color: var(--accent); color: var(--accent); }

/* Contact form */
.contact-form {
  max-width: 560px;
  margin: 48px auto 0;
  text-align: left;
  position: relative;
}
.form-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 14px;
  border-radius: var(--radius-sm);
  transition: border-color 0.2s;
  resize: none;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-dim);
}
.form-submit {
  width: 100%;
  margin-top: 8px;
  padding: 14px;
  background: var(--accent);
  color: var(--accent-contrast);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.2s;
}
.form-submit:hover    { background: #dfc07e; }
:root[data-theme="light"] .form-submit:hover { background: #0b5f59; }
.form-submit:disabled { opacity: 0.5; cursor: not-allowed; }
.form-message {
  margin-top: 12px;
  font-size: 13px;
  text-align: center;
  min-height: 20px;
}
.form-message.success { color: #6fcf97; }
.form-message.error   { color: #eb5757; }
.form-message a {
  color: var(--accent);
  border-bottom: 1px solid currentColor;
}

/* Social links */
.social-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.social-links[hidden] {
  display: none !important;
}
.social-link {
  width: 44px; height: 44px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fg-muted);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.social-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(200, 169, 110, 0.06);
}

/* ============================================
   FOOTER
   ============================================ */
footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-copy { font-size: 13px; color: var(--fg-subtle); }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 13px; color: var(--fg-subtle); transition: color 0.2s; }
.footer-links a:hover { color: var(--fg); }