:root {
  --bg: #08090c;
  --bg-2: #0d1016;
  --surface: #11141a;
  --surface-2: #151923;
  --text: #f5f7fb;
  --muted: #a6afbd;
  --line: #262b35;
  --amber: #f4a220;
  --amber-soft: rgba(244, 162, 32, 0.14);
  --glass: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.16);
  --shadow-soft: 0 10px 28px rgba(0, 0, 0, 0.24);
  --shadow-lift: 0 18px 40px rgba(0, 0, 0, 0.32);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --max-width: 1180px;
  --curve-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast: 180ms;
  --duration-base: 240ms;
}

body[data-theme='light'] {
  --bg: #f5f6f8;
  --bg-2: #ffffff;
  --surface: #ffffff;
  --surface-2: #eef1f5;
  --text: #0f1116;
  --muted: #4f5765;
  --line: #d9dde4;
  --glass: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.92);
  --shadow-soft: 0 12px 30px rgba(20, 24, 32, 0.08);
  --shadow-lift: 0 20px 40px rgba(20, 24, 32, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: radial-gradient(circle at 88% 3%, rgba(244, 162, 32, 0.07), transparent 32%), var(--bg);
  color: var(--text);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
::selection { background: rgba(244, 162, 32, 0.28); }

h1, h2, h3 { font-family: 'Montserrat', sans-serif; letter-spacing: -0.03em; margin: 0; }
p { margin: 0; color: var(--muted); }
a { color: inherit; text-decoration: none; }

.container { width: min(var(--max-width), calc(100% - 56px)); margin: 0 auto; }
.narrow { max-width: 760px; }

.section { padding: clamp(78px, 8.5vw, 108px) 0; border-bottom: 1px solid var(--line); position: relative; }
.section-entry { padding-top: clamp(62px, 8vw, 92px); }
.section-breath { padding-block: clamp(52px, 6vw, 72px); }
.section-label,
.type-label-micro {
  margin-bottom: 14px;
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  font-weight: 600;
}

.type-heading-section { font-size: clamp(1.85rem, 3.8vw, 2.55rem); max-width: 22ch; }
.type-heading-statement { max-width: 18ch; font-size: clamp(2rem, 4vw, 2.8rem); }
.type-body-primary { font-size: clamp(1.2rem, 2.1vw, 1.8rem); color: var(--text); max-width: 26ch; }
.type-body-secondary { max-width: 56ch; }

.site-header { position: sticky; top: 0; z-index: 40; padding-top: 10px; }
.nav-shell {
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(14px);
  transition: border-color var(--duration-base) var(--curve-standard), background var(--duration-base) var(--curve-standard);
}
.site-header.is-scrolled .nav-shell { background: color-mix(in srgb, var(--surface) 92%, transparent); border-color: var(--line); }

.brand { display: inline-flex; gap: 10px; align-items: center; font-family: 'Montserrat', sans-serif; font-weight: 600; }
.brand-mark { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 18px rgba(244, 162, 32, 0.6); }
.desktop-nav { display: flex; gap: 22px; font-size: 0.86rem; color: var(--muted); }
.desktop-nav a { position: relative; padding: 4px 0; }
.desktop-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 1px;
  background: var(--amber);
  transition: width var(--duration-base) var(--curve-standard);
}
.desktop-nav a:hover::after,
.desktop-nav a.active::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: 10px; }

/* Icon container system */
.icon-container { display: inline-grid; place-items: center; }
.icon-inline { width: 1.1em; height: 1.1em; }
.icon-badge { width: 28px; height: 28px; border-radius: 50%; background: var(--amber-soft); color: var(--amber); }
.icon-overlay { width: 44px; height: 44px; border-radius: 999px; }
.icon-signal { color: var(--amber); opacity: 0.9; }

.icon-btn {
  width: 40px;
  height: 40px;
  border: 1px solid color-mix(in srgb, var(--glass-border) 60%, var(--line));
  border-radius: 999px;
  background: linear-gradient(145deg, color-mix(in srgb, var(--glass) 82%, transparent), color-mix(in srgb, var(--surface) 78%, transparent));
  backdrop-filter: blur(14px) saturate(120%);
  color: var(--text);
  display: inline-grid;
  place-items: center;
  cursor: pointer;
  transition:
    transform var(--duration-base) var(--curve-standard),
    border-color var(--duration-base) var(--curve-standard),
    color var(--duration-base) var(--curve-standard),
    box-shadow var(--duration-base) var(--curve-standard);
}
.icon-btn svg, .icon-btn i { width: 17px; font-size: 17px; stroke: currentColor; fill: none; stroke-width: 1.8; }
.icon-btn:hover { transform: translateY(-2px); border-color: rgba(244, 162, 32, 0.55); color: var(--amber); box-shadow: var(--shadow-soft); }
.icon-btn:active { transform: translateY(0) scale(0.98); box-shadow: none; }
.icon-btn:focus-visible,
.btn:focus-visible,
a:focus-visible {
  outline: 2px solid rgba(244, 162, 32, 0.88);
  outline-offset: 2px;
}
.mobile-menu-trigger { display: none; }

/* Button system: only primary, secondary, ghost */
.btn {
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.84rem;
  font-weight: 600;
  transition:
    transform var(--duration-base) var(--curve-standard),
    border-color var(--duration-base) var(--curve-standard),
    color var(--duration-base) var(--curve-standard),
    box-shadow var(--duration-base) var(--curve-standard),
    background var(--duration-base) var(--curve-standard);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: scale(0.98); box-shadow: none; }
.btn-primary { background: linear-gradient(120deg, #ef9a10, #ffbb45); color: #1f1300; box-shadow: 0 8px 24px rgba(244, 162, 32, 0.2); }
.btn-primary:hover { box-shadow: 0 16px 26px rgba(244, 162, 32, 0.28); }
.btn-secondary { border-color: var(--line); background: color-mix(in srgb, var(--surface) 92%, transparent); }
.btn-secondary:hover { border-color: rgba(244, 162, 32, 0.52); color: var(--amber); }
.btn-ghost { border-color: transparent; background: transparent; color: var(--muted); }
.btn-ghost:hover { color: var(--amber); background: rgba(244, 162, 32, 0.08); }

.mobile-menu {
  position: fixed;
  inset: 0 0 auto;
  margin: 18px auto 0;
  width: min(540px, calc(100% - 24px));
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px;
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  backdrop-filter: blur(18px);
  transform: translateY(-120%);
  opacity: 0;
  pointer-events: none;
  transition: all 280ms var(--curve-standard);
  z-index: 70;
}
.mobile-menu.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
.mobile-menu-head, .mobile-nav a { display: flex; justify-content: space-between; align-items: center; }
.mobile-menu-head { margin-bottom: 14px; }
.mobile-nav { border-top: 1px solid var(--line); }
.mobile-nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
.mobile-nav i { color: var(--amber); font-style: normal; font-size: 0.75rem; }
.mobile-menu-actions { margin-top: 16px; display: flex; gap: 10px; }
.mobile-menu-actions .btn { flex: 1; }

.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(26px, 4vw, 46px); align-items: center; }
.hero-copy h1 { font-size: clamp(2.8rem, 8vw, 4.8rem); margin-bottom: 12px; }
.hero-thesis { margin-bottom: 16px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 22px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 16px; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.hero-meta span { padding-left: 12px; border-left: 1px solid var(--line); }

/* Panel System */
.panel {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition:
    transform var(--duration-base) var(--curve-standard),
    box-shadow var(--duration-base) var(--curve-standard),
    border-color var(--duration-base) var(--curve-standard);
}
.panel-primary { padding: 30px; background: linear-gradient(164deg, color-mix(in srgb, var(--surface) 95%, transparent), color-mix(in srgb, var(--surface-2) 98%, transparent)); }
.panel-secondary { padding: 26px; background: linear-gradient(165deg, color-mix(in srgb, var(--surface) 94%, transparent), color-mix(in srgb, var(--surface-2) 96%, transparent)); }
.panel-inline { padding: 22px; background: color-mix(in srgb, var(--surface) 96%, transparent); }
.panel-floating { border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); }
.panel:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); border-color: color-mix(in srgb, var(--line), var(--amber) 20%); }
.panel:active { transform: scale(0.99); box-shadow: none; }


.glass-card {
  background: linear-gradient(135deg, color-mix(in srgb, var(--glass) 88%, transparent), color-mix(in srgb, var(--surface) 92%, transparent));
  border: 1px solid color-mix(in srgb, var(--glass-border) 56%, var(--line));
  backdrop-filter: blur(18px) saturate(124%);
}

.card-icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: inline-grid;
  place-items: center;
  color: var(--amber);
  background: color-mix(in srgb, var(--amber-soft) 76%, transparent);
  margin-bottom: 14px;
}
.card-icon i { font-size: 20px; }

/* Card System */
.card { min-height: 100%; }
.card-feature { min-height: 180px; }
.card-principle { display: grid; gap: 8px; }
.card-principle span { font-size: 2.4rem; color: rgba(244, 162, 32, 0.36); font-family: 'Montserrat', sans-serif; line-height: 1; }
.card-article p { color: var(--amber); text-transform: uppercase; letter-spacing: .08em; font-size: .74rem; margin-bottom: 10px; }
.card-article h3 { margin-bottom: 14px; }
.card-article span { color: var(--muted); font-size: .92rem; }
.card-system h3 { margin: 8px 0 12px; font-size: 1.55rem; }
.card-system ul { padding-left: 18px; margin: 16px 0 0; color: var(--muted); display: grid; gap: 10px; }
.card-system::before,
.hero-signal::before {
  content: '';
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 1px solid rgba(244,162,32,.2);
  right: -80px;
  top: -70px;
}

/* overlays */
.icon-structural {
  position: absolute;
  inset: 12px;
  opacity: 0.08;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.1) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.1) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.hero-signal {
  min-height: 390px;
  background: linear-gradient(145deg, color-mix(in srgb, var(--surface) 95%, #030406), color-mix(in srgb, var(--surface-2) 95%, #10141e));
}
.signal-ring {
  position: absolute;
  width: 280px;
  height: 280px;
  border: 1px solid rgba(244, 162, 32, 0.35);
  border-radius: 50%;
  top: 48px;
  left: 64px;
}
.signal-grid { position: absolute; inset: 20px; background-image: linear-gradient(to right, rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(to bottom, rgba(255,255,255,.04) 1px, transparent 1px); background-size: 32px 32px; opacity: 0.55; }
.signal-node { position: absolute; width: 10px; height: 10px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 16px rgba(244, 162, 32, 0.55); }
.signal-node-a { top: 84px; left: 70px; }
.signal-node-b { top: 160px; right: 80px; }
.signal-node-c { bottom: 58px; left: 150px; }
.hero-signal svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-signal path { fill: none; stroke: rgba(244, 162, 32, 0.5); stroke-width: 1.3; }

.positioning-strip p { font-family: 'Montserrat', sans-serif; font-size: clamp(1.28rem, 2.4vw, 1.92rem); max-width: 33ch; }
.story-grid { display: grid; grid-template-columns: 230px 1fr; gap: 42px; }
.story-mark { writing-mode: vertical-rl; transform: rotate(180deg); text-transform: uppercase; letter-spacing: 0.12em; color: var(--amber); font-size: 0.76rem; }
.header-editorial { font-size: clamp(1.9rem, 4vw, 2.6rem); margin-bottom: 18px; }
.story-copy { border-left: 1px solid var(--line); padding-left: 34px; display: grid; gap: 18px; }
.story-copy .lead { font-size: 1.24rem; color: var(--text); }
blockquote { margin: 0; padding: 20px; border: 1px solid rgba(244, 162, 32, 0.3); background: var(--amber-soft); border-radius: 14px; color: var(--text); font-weight: 500; }
blockquote span { font-size: 1.7rem; color: var(--amber); margin-right: 6px; }

.section-head { display: grid; gap: 14px; margin-bottom: 28px; }
.section-head.type-split { grid-template-columns: 1fr auto; align-items: end; }
.section-head.type-split p { max-width: 38ch; }
.build-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: 20px; }
.statement-grid, .idea-grid, .work-grid, .writing-layout {
  display: grid; gap: 16px; grid-template-columns: repeat(3, minmax(0, 1fr));
}
.bento-grid .card-statement:nth-child(1) { grid-column: span 2; }
.thesis-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.thesis-grid .card-compact { min-height: 110px; gap: 12px; }
.thesis-grid .card-compact i { font-size: 1.1rem; color: var(--amber); }
.principles-timeline { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 14px; position: relative; }
.principles-timeline::before { content: ''; position: absolute; top: 38px; left: 6%; right: 6%; height: 1px; background: color-mix(in srgb, var(--amber) 36%, var(--line)); z-index: 0; }
.principles-timeline .card-principle { position: relative; z-index: 1; }
.focus-cloud { display: flex; flex-wrap: wrap; gap: 12px; }

.card-statement h3 { margin-bottom: 10px; }
.card-compact { display: flex; align-items: center; font-weight: 500; min-height: 92px; }
.focus-chip { min-height: 58px; justify-content: center; text-align: center; font-size: .9rem; padding: 12px 18px; border-radius: 999px; }
.card-feature b { margin-top: 12px; display: inline-block; padding: 5px 10px; background: var(--amber-soft); color: var(--amber); border-radius: 999px; font-size: .73rem; text-transform: uppercase; letter-spacing: .06em; }
.writing-layout { grid-template-columns: 1.2fr .8fr .8fr; }
.writing-card.featured { min-height: 220px; }

.personal-lens, .long-term { text-align: center; position: relative; }
.personal-lens::before, .long-term::before { content: ''; position: absolute; inset: 10px 16%; border-top: 1px solid rgba(244,162,32,.27); }
.personal-lens h2, .long-term h2 { font-size: clamp(2rem, 4vw, 2.9rem); margin-bottom: 12px; }

.cta-section { border-bottom: 0; }
.cta-shell {
  border: 1px solid rgba(244, 162, 32, 0.35);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(244,162,32,.08), transparent 40%), color-mix(in srgb, var(--surface) 95%, transparent);
  padding: 34px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: end;
}

.site-footer { padding: 34px 0 22px; border-top: 1px solid var(--line); }
.footer-grid { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.footer-name { font-family: 'Montserrat', sans-serif; font-weight: 600; }
.footer-role, .footer-note { color: var(--muted); font-size: .84rem; }
.footer-links { display: flex; gap: 16px; color: var(--muted); }
.footer-note { margin-top: 18px; text-align: center; }

/* premium swiper */
.mobile-swiper { --swiper-gap: 14px; }
.mobile-swiper .swiper-controls { display: none; }
.swiper-progress { flex: 1; height: 3px; border-radius: 999px; background: color-mix(in srgb, var(--line) 84%, transparent); overflow: hidden; }
.swiper-progress span { display: block; height: 100%; width: 20%; background: linear-gradient(120deg, #d8870e, var(--amber)); transition: width var(--duration-base) var(--curve-standard); }

.reveal { opacity: 0; transform: translateY(18px); transition: transform 460ms var(--curve-standard), opacity 460ms var(--curve-standard); will-change: transform, opacity; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1100px) {
  .container { width: min(var(--max-width), calc(100% - 40px)); }
  .hero-grid, .build-layout, .cta-shell { grid-template-columns: 1fr; }
  .story-grid { grid-template-columns: 1fr; }
  .story-mark { writing-mode: initial; transform: none; }
  .statement-grid, .idea-grid, .work-grid, .writing-layout, .principles-timeline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .section { padding: 66px 0; }
  .container { width: min(var(--max-width), calc(100% - 28px)); }
  .desktop-nav, .nav-actions .btn { display: none; }
  .mobile-menu-trigger { display: inline-grid; }
  .hero-signal { min-height: 230px; }
  .hero-copy h1 { font-size: clamp(2.2rem, 11.4vw, 3rem); }
  .hero-thesis { font-size: 1.12rem; }
  .story-copy { border-left: 0; padding-left: 0; }

  .mobile-swiper { position: relative; overflow: hidden; }
  .mobile-swiper .swiper-track {
    display: flex;
    gap: var(--swiper-gap);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-padding-left: 8px;
    padding-right: 8px;
    scrollbar-width: none;
    overscroll-behavior-x: contain;
  }
  .mobile-swiper .swiper-track::-webkit-scrollbar { display: none; }
  .mobile-swiper .swiper-slide { min-width: calc(100% - 28px); scroll-snap-align: start; }
  .mobile-swiper .swiper-slide:last-child { margin-right: 8px; }
  .mobile-swiper .swiper-controls { display: flex; align-items: center; gap: 10px; margin-top: 12px; }
  .mobile-swiper .swiper-prev,
  .mobile-swiper .swiper-next { width: 48px; height: 48px; border-color: color-mix(in srgb, var(--amber) 28%, var(--line)); }

  .statement-grid, .idea-grid, .work-grid, .writing-layout, .principles-timeline { display: block; }
  .focus-cloud { display: grid; grid-template-columns: 1fr 1fr; }
  .bento-grid .card-statement:nth-child(1) { grid-column: auto; }
  .build-layout { display: none; }
  .footer-grid, .footer-links { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}