/* ==========================================================
   PERSONAL PROTOCOL — SHARED DESIGN SYSTEM
   Brutalist cobalt-blue + white / 0px radius
   ========================================================== */

:root {
  --primary: #1442FF;
  --on-primary: #FFFFFF;
  --xs: 4px;
  --sm: 8px;
  --base: 16px;
  --md: 24px;
  --lg: 48px;
  --xl: 96px;
  --gutter: 32px;
}

* { margin: 0; padding: 0; box-sizing: border-box; border-radius: 0 !important; }
html { scroll-behavior: smooth; }

body {
  background: var(--primary);
  color: var(--on-primary);
  font-family: 'Roboto Mono', monospace;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

/* ---------- NAV ---------- */
.nav {
  display: flex;
  gap: var(--md);
  padding: var(--md) var(--gutter);
  border-bottom: 1px solid var(--on-primary);
  align-items: center;
  flex-shrink: 0;
}
.nav-brand {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-right: auto;
}
.nav-links { display: flex; gap: var(--md); }
.nav a {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-primary);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease;
}
.nav a:hover, .nav a.active { border-bottom-color: var(--on-primary); }

/* ---------- LAYOUT ---------- */
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- HEADERS ---------- */
.page-header {
  padding: var(--xl) var(--gutter) var(--lg);
  border-bottom: 1px solid var(--on-primary);
}
.page-header-inner { max-width: 1200px; margin: 0 auto; }
.eyebrow {
  font-family: 'Roboto Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: var(--md);
  opacity: 0.9;
}
.page-title {
  font-family: 'Playfair Display', serif;
  font-weight: 900;
  font-size: clamp(56px, 12vw, 140px);
  line-height: 0.92;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}
.hero-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--md);
  margin-top: var(--lg);
  border-top: 1px solid var(--on-primary);
  padding-top: var(--md);
}
.hero-meta .label {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 10px;
  margin-bottom: var(--xs);
  opacity: 0.85;
}
.hero-meta .value {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

/* ---------- SECTIONS ---------- */
.section { padding: var(--lg) 0; border-bottom: 1px solid var(--on-primary); }
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--md);
  margin-bottom: var(--lg);
  flex-wrap: wrap;
}
.section-head h2 {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: clamp(28px, 4vw, 48px);
  letter-spacing: -0.02em;
  line-height: 1;
}
.section-head .index {
  font-family: 'Roboto Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.section-hint {
  font-family: 'Roboto Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.75;
  margin-bottom: var(--md);
}

/* ---------- FOOTER ---------- */
.page-footer {
  padding: var(--lg) var(--gutter);
  display: flex;
  justify-content: space-between;
  gap: var(--md);
  flex-wrap: wrap;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-top: 1px solid var(--on-primary);
}

/* ---------- BUTTONS ---------- */
.btn {
  font-family: 'Roboto Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: transparent;
  color: var(--on-primary);
  border: 1px solid var(--on-primary);
  padding: var(--base) var(--md);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.btn:hover { background: var(--on-primary); color: var(--primary); }

/* ==========================================================
   HOME
   ========================================================== */
.home-main {
  flex: 1;
  display: grid;
  grid-template-rows: 1fr 1fr;
}
.home-band {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--xl) var(--gutter);
  border-bottom: 1px solid var(--on-primary);
  text-decoration: none;
  color: var(--on-primary);
  transition: background 0.2s ease, color 0.2s ease;
  min-height: 40vh;
}
.home-band:last-child { border-bottom: none; }
.home-band:hover { background: var(--on-primary); color: var(--primary); }
.home-band:hover .band-arrow { transform: translateX(8px); }
.home-band:hover .band-num,
.home-band:hover .band-title,
.home-band:hover .band-sub,
.home-band:hover .band-meta { color: var(--primary); }

.band-top { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--md); }
.band-num {
  font-family: 'Roboto Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.band-arrow {
  font-family: 'Roboto Mono', monospace;
  font-size: 24px;
  transition: transform 0.2s ease;
}
.band-title {
  font-family: 'Playfair Display', serif;
  font-weight: 900;
  font-size: clamp(48px, 10vw, 120px);
  line-height: 0.92;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin: var(--md) 0;
}
.band-sub {
  font-family: 'Inter', sans-serif;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: var(--sm);
}
.band-meta {
  font-family: 'Roboto Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.05em;
  opacity: 0.9;
}

/* ==========================================================
   WORKOUT
   ========================================================== */
.split-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  background: var(--on-primary);
  border: 1px solid var(--on-primary);
}
.split-cell {
  background: var(--primary);
  border: none;
  color: var(--on-primary);
  font: inherit;
  text-align: left;
  cursor: pointer;
  padding: var(--md) var(--base);
  min-height: 160px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: background 0.15s ease, color 0.15s ease;
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
}
.split-cell:hover .day-name { text-decoration: underline; text-underline-offset: 3px; }
.split-cell:focus-visible { outline: 2px solid var(--on-primary); outline-offset: -4px; }
.split-cell.active { background: var(--on-primary); color: var(--primary); }
.split-cell.active .day-name,
.split-cell.active .day-num,
.split-cell.active .day-focus { color: var(--primary); }
.split-cell .day-num { font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: var(--md); }
.split-cell .day-name { font-family: 'Inter', sans-serif; font-size: 18px; font-weight: 600; letter-spacing: -0.01em; margin-bottom: var(--sm); line-height: 1.1; }
.split-cell .day-focus { font-family: 'Roboto Mono', monospace; font-size: 11px; line-height: 1.5; letter-spacing: 0.02em; }
.split-cell.rest { opacity: 0.9; }
.split-cell.active.rest { opacity: 1; }

.days { display: grid; grid-template-columns: 1fr; border: 1px solid var(--on-primary); }
.day-card { padding: var(--lg) var(--gutter); display: none; grid-template-columns: 280px 1fr; gap: var(--lg); }
.day-card.active { display: grid; }
.day-card-head { position: sticky; top: 60px; align-self: start; }
.day-card-head .num { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: var(--sm); }
.day-card-head h3 {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: clamp(28px, 3.5vw, 44px);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: var(--base);
  text-transform: uppercase;
}
.day-card-head .focus {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: -0.01em;
  padding-top: var(--base);
  border-top: 1px solid var(--on-primary);
}
.day-card-head .focus .sub {
  display: block;
  font-family: 'Roboto Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.05em;
  margin-top: var(--sm);
  opacity: 0.85;
}

.exercise-list { display: flex; flex-direction: column; }
.ex {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  gap: var(--base);
  padding: var(--base) 0;
  border-bottom: 1px solid var(--on-primary);
  align-items: baseline;
}
.ex:last-child { border-bottom: none; }
.ex .n { font-size: 12px; letter-spacing: 0.05em; padding-top: 2px; }
.ex .name { font-family: 'Inter', sans-serif; font-size: 15px; font-weight: 500; letter-spacing: -0.01em; line-height: 1.35; }
.ex .name .note {
  display: block;
  font-family: 'Roboto Mono', monospace;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.02em;
  margin-top: var(--sm);
  line-height: 1.5;
  opacity: 0.85;
}
.ex .name .note::before { content: "// "; }
.ex .dose { font-family: 'Roboto Mono', monospace; font-size: 13px; font-weight: 700; letter-spacing: 0.02em; white-space: nowrap; text-align: right; }
.ex.optional { opacity: 0.8; }
.ex.optional .name::after {
  content: " [OPTIONAL]";
  font-family: 'Roboto Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  font-weight: 400;
  vertical-align: 1px;
}

.data-table { width: 100%; border-collapse: collapse; border: 1px solid var(--on-primary); }
.data-table thead th {
  text-align: left;
  font-family: 'Roboto Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: var(--base);
  border-bottom: 1px solid var(--on-primary);
  border-right: 1px solid var(--on-primary);
}
.data-table thead th:last-child { border-right: none; }
.data-table tbody td {
  padding: var(--base);
  border-bottom: 1px solid var(--on-primary);
  border-right: 1px solid var(--on-primary);
  font-family: 'Roboto Mono', monospace;
  font-size: 13px;
  vertical-align: top;
  line-height: 1.5;
}
.data-table tbody td:last-child { border-right: none; }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody td:first-child { font-family: 'Inter', sans-serif; font-weight: 600; font-size: 14px; letter-spacing: -0.01em; }

.rules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1px;
  background: var(--on-primary);
  border: 1px solid var(--on-primary);
}
.rule { background: var(--primary); padding: var(--md); }
.rule .rule-num { font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: var(--sm); }
.rule h4 { font-family: 'Inter', sans-serif; font-size: 15px; font-weight: 600; letter-spacing: -0.01em; margin-bottom: var(--sm); line-height: 1.3; }
.rule p { font-family: 'Roboto Mono', monospace; font-size: 12px; line-height: 1.6; }

/* ==========================================================
   LIFE
   ========================================================== */
.blocks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--on-primary);
  border: 1px solid var(--on-primary);
}
.block { background: var(--primary); padding: var(--lg) var(--md); }
.block-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--md);
  padding-bottom: var(--base);
  border-bottom: 1px solid var(--on-primary);
}
.block-head h3 {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: clamp(24px, 3vw, 36px);
  letter-spacing: -0.02em;
  line-height: 1;
  text-transform: uppercase;
}
.block-head .time { font-family: 'Roboto Mono', monospace; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; }
.block-list { list-style: none; display: flex; flex-direction: column; }
.block-list li {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  gap: var(--base);
  padding: var(--base) 0;
  border-bottom: 1px solid var(--on-primary);
  align-items: baseline;
}
.block-list li:last-child { border-bottom: none; }
.block-list .n { font-size: 12px; letter-spacing: 0.05em; padding-top: 2px; }
.block-list .task { font-family: 'Inter', sans-serif; font-size: 15px; font-weight: 500; letter-spacing: -0.01em; line-height: 1.35; }
.block-list .task .detail {
  display: block;
  font-family: 'Roboto Mono', monospace;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.02em;
  margin-top: var(--sm);
  line-height: 1.5;
  opacity: 0.85;
}
.block-list .task .detail::before { content: "// "; }
.block-list .dur { font-family: 'Roboto Mono', monospace; font-size: 13px; font-weight: 700; letter-spacing: 0.02em; white-space: nowrap; text-align: right; }

.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--on-primary);
  border: 1px solid var(--on-primary);
}
.pillar { background: var(--primary); padding: var(--md); display: flex; flex-direction: column; }
.pillar-num { font-family: 'Roboto Mono', monospace; font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: var(--md); }
.pillar h4 {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 26px;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: var(--md);
  text-transform: uppercase;
}
.pillar p { font-family: 'Roboto Mono', monospace; font-size: 12px; line-height: 1.7; margin-bottom: var(--base); }
.pillar ul { list-style: none; font-family: 'Roboto Mono', monospace; font-size: 12px; line-height: 1.7; }
.pillar ul li { padding-left: var(--base); position: relative; }
.pillar ul li::before { content: "—"; position: absolute; left: 0; opacity: 0.7; }

.ramp {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--on-primary);
  border: 1px solid var(--on-primary);
}
.ramp-week { background: var(--primary); padding: var(--md); }
.ramp-week .wk { font-family: 'Roboto Mono', monospace; font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: var(--sm); }
.ramp-week h4 {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 28px;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: var(--md);
}
.ramp-week p { font-family: 'Roboto Mono', monospace; font-size: 12px; line-height: 1.6; }

.tracker { border: 1px solid var(--on-primary); padding: var(--lg) var(--md); }
.tracker-date {
  font-family: 'Roboto Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: var(--md);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--md);
}
.tracker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  background: var(--on-primary);
  border: 1px solid var(--on-primary);
  margin-bottom: var(--md);
}
.tracker-item {
  background: var(--primary);
  padding: var(--base);
  display: flex;
  align-items: center;
  gap: var(--base);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.tracker-item:hover { background: #0F35D6; }
.tracker-item input { display: none; }
.tracker-item .box {
  width: 18px;
  height: 18px;
  border: 1px solid var(--on-primary);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  line-height: 1;
}
.tracker-item.done { background: var(--on-primary); color: var(--primary); }
.tracker-item.done .box { border-color: var(--primary); color: var(--primary); }
.tracker-item.done .box::after { content: "✕"; }
.tracker-item .label { font-family: 'Inter', sans-serif; font-size: 13px; font-weight: 500; letter-spacing: -0.01em; }
.tracker-actions { display: flex; gap: var(--md); flex-wrap: wrap; }

/* ==========================================================
   RESPONSIVE
   ========================================================== */
@media (max-width: 900px) {
  .split-grid { grid-template-columns: repeat(2, 1fr); }
  .split-cell:last-child { grid-column: 1 / -1; min-height: auto; }
  .day-card { grid-template-columns: 1fr; gap: var(--md); }
  .day-card-head { position: static; }
  .blocks { grid-template-columns: 1fr; }
  .ramp { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  :root { --gutter: 20px; --lg: 32px; --xl: 56px; }
  .nav { padding: var(--base); gap: var(--base); }
  .nav-links { gap: var(--base); }
  .nav-brand { font-size: 10px; }
  .split-grid { grid-template-columns: 1fr; }
  .split-cell { min-height: auto; }
  .ex { grid-template-columns: 24px 1fr; gap: var(--sm); }
  .ex .dose { grid-column: 2; text-align: left; margin-top: var(--xs); }
  .block-list li { grid-template-columns: 24px 1fr; }
  .block-list .dur { grid-column: 2; text-align: left; margin-top: var(--xs); }
  .ramp { grid-template-columns: 1fr; }
  .data-table thead th, .data-table tbody td { padding: var(--sm); font-size: 11px; }
  .band-title { font-size: clamp(40px, 12vw, 72px); }
}