/* ============================================================
   BIG SESSIONS · /start · 8-Week Summer Shred bridge page
   Brutalist, single-product, mobile-first
   ============================================================ */

:root {
  --black:        #0A0A0A;
  --black-2:      #141414;
  --grey-1:       #1A1A1A;
  --grey-2:       #2A2A2A;
  --grey-3:       #4A4A4A;
  --grey-4:       #7A7A7A;
  --white:        #F2F2F2;
  --white-pure:   #FFFFFF;
  --red:          #E50914;
  --red-deep:     #B00710;

  --rule:         1px solid var(--white);
  --rule-thick:   2px solid var(--white);

  --font-display: 'Anton', 'Arial Narrow', sans-serif;
  --font-body:    'IBM Plex Sans', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, monospace;

  --pad-x:        clamp(1.25rem, 4vw, 4.5rem);
  --pad-y:        clamp(2.25rem, 5vw, 5rem);
}

* { box-sizing: border-box; }
*::selection { background: var(--red); color: var(--white-pure); }

html, body {
  margin: 0;
  padding: 0;
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  max-width: 100%;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

/* ============================================================
   TOP BAR (no nav, only mark + ig)
   ============================================================ */

.bar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem var(--pad-x);
  background: var(--black);
  border-bottom: var(--rule);
}
.bar__mark { display: inline-flex; align-items: baseline; gap: 0.35rem; }
.mark__big {
  font-family: var(--font-display);
  font-size: 1.55rem;
  letter-spacing: 0.02em;
  color: var(--red);
  line-height: 1;
}
.mark__sessions {
  font-family: var(--font-display);
  font-size: 1.55rem;
  letter-spacing: 0.04em;
  color: var(--white);
  line-height: 1;
}
.bar__ig {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--white);
}
.bar__ig:hover { background: var(--white); color: var(--black); }

/* ============================================================
   SLAB SHELL
   ============================================================ */

.slab {
  position: relative;
  padding: var(--pad-y) var(--pad-x);
  border-bottom: var(--rule);
}

.slab__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--grey-4);
  margin-bottom: 2rem;
}
.meta__num { color: var(--red); }
.meta__label { color: var(--white); }

.slab__h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.75rem, 8vw, 7rem);
  line-height: 0.9;
  letter-spacing: -0.005em;
  margin: 0 0 1.5rem;
  text-transform: uppercase;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: 2px solid var(--white);
  background: transparent;
  color: var(--white);
  cursor: pointer;
  transition: background 140ms, color 140ms, border-color 140ms, transform 140ms;
}
.btn--primary {
  background: var(--red);
  border-color: var(--red);
  color: var(--white-pure);
}
.btn--primary:hover {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}
.btn--xl {
  padding: 1.35rem 2.1rem;
  font-size: 0.92rem;
  letter-spacing: 0.2em;
}
.btn--xxl {
  padding: 1.8rem 2.8rem;
  font-size: 1.05rem;
  letter-spacing: 0.22em;
}

/* ============================================================
   01 · HERO
   ============================================================ */

.hero { background: var(--black); }

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
  min-width: 0;
}

.hero__copy { min-width: 0; }

.hero__h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(3.5rem, 9vw, 9rem);
  line-height: 0.82;
  letter-spacing: -0.01em;
  margin: 0 0 1.5rem;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
}
.hero__h1--red { color: var(--red); }
.hero__h1--price {
  font-size: 0.55em;
  letter-spacing: -0.01em;
  margin-top: 0.2em;
  color: var(--white);
}

.hero__sub {
  font-size: clamp(1rem, 1.25vw, 1.18rem);
  line-height: 1.5;
  max-width: 46ch;
  margin: 0 0 2rem;
  color: var(--white);
}

.hero__ctas {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.85rem;
}
.hero__assure {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--grey-4);
}

/* ---- carb cycle grid ---- */

.cycle {
  margin: 0;
  border: 2px solid var(--white);
  padding: 0;
  background: var(--black-2);
}
.cycle__title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--grey-4);
  padding: 0.75rem 0.9rem;
  border-bottom: var(--rule);
  text-align: left;
}
.cycle__grid {
  width: 100%;
  border-collapse: separate;
  border-spacing: 4px;
  table-layout: fixed;
  background: var(--black);
  padding: 4px 4px 6px;
}
.cycle__grid th {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--grey-4);
  padding: 0.6rem 0.4rem;
  text-align: center;
  background: var(--grey-1);
}
.cycle__grid td {
  vertical-align: top;
  padding: 0.85rem 0.5rem;
  text-align: center;
  min-height: 110px;
}

.cycle__sess {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 1vw, 1.15rem);
  letter-spacing: 0.02em;
  line-height: 1.05;
  margin-bottom: 0.45rem;
  text-transform: uppercase;
}
.cycle__carb {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
}
.cycle__kcal {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--grey-4);
}

.cycle--high { background: var(--red); color: var(--white-pure); }
.cycle--high .cycle__kcal { color: rgba(255,255,255,0.85); }
.cycle--med  { background: var(--grey-2); color: var(--white); }
.cycle--low  { background: var(--black); color: var(--white); }
.cycle--low .cycle__carb { color: var(--grey-4); }

.cycle__footnote {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  line-height: 1.5;
  color: var(--grey-4);
  padding: 0.85rem 0.95rem;
  border-top: var(--rule);
  margin: 0;
}

/* ============================================================
   02 · METHOD
   ============================================================ */

.method { background: var(--black-2); }
.method__lede {
  font-size: clamp(1rem, 1.25vw, 1.2rem);
  line-height: 1.55;
  max-width: 60ch;
  margin: 0 0 2.5rem;
}

.method__tiers {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 2px solid var(--white);
}
.tier {
  padding: 1.8rem 1.5rem;
  border-right: var(--rule);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-height: 280px;
}
.tier:last-child { border-right: none; }
.tier--high { background: var(--red); color: var(--white-pure); }
.tier--med  { background: var(--grey-2); }
.tier--low  { background: var(--black); }

.tier__label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
}
.tier__day {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  line-height: 0.95;
  text-transform: uppercase;
  letter-spacing: 0.005em;
}
.tier__macros {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  padding: 0.55rem 0;
  border-top: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  opacity: 0.85;
  margin: 0.3rem 0 0.5rem;
}
.tier p {
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 0;
  opacity: 0.92;
}
.tier--high p, .tier--high .tier__macros { opacity: 0.95; }

/* ============================================================
   03 · CONTENTS
   ============================================================ */

.contents { background: var(--white); color: var(--black); }
.contents .meta__num { color: var(--red); }
.contents .meta__label { color: var(--black); }
.contents .slab__h2 { color: var(--black); }

.contents__grid {
  list-style: none;
  padding: 0;
  margin: 0 0 2.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 2px solid var(--black);
  border-left: 2px solid var(--black);
}
.contents__grid li {
  padding: 1.6rem 1.4rem;
  border-right: 2px solid var(--black);
  border-bottom: 2px solid var(--black);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.content__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  color: var(--red);
  margin-bottom: 0.4rem;
}
.contents__grid h3 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  line-height: 1;
  text-transform: uppercase;
  margin: 0 0 0.4rem;
  color: var(--black);
  font-weight: 400;
}
.contents__grid p {
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 0;
  color: var(--grey-2);
}
.contents__buy { display: flex; justify-content: center; padding-top: 1rem; }

/* ============================================================
   04 · WHO IT'S FOR
   ============================================================ */

.who { background: var(--black); }
.who__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 2px solid var(--white);
}
.who__block {
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
}
.who__block--yes { border-right: var(--rule); }
.who__block--alt { background: var(--black-2); }
.who__block h3 {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  margin: 0 0 1.25rem;
  line-height: 1.4;
}
.who__block--yes h3 { color: var(--red); }
.who__block--alt h3 { color: var(--white); }

.who__block ul { list-style: none; padding: 0; margin: 0; }

/* YES list — simple bullet list */
.who__block--yes > ul li {
  font-size: 1rem;
  line-height: 1.5;
  padding: 0.7rem 0 0.7rem 1.5rem;
  border-bottom: 1px solid var(--grey-2);
  position: relative;
}
.who__block--yes > ul li:last-child { border-bottom: none; }
.who__block--yes > ul li::before {
  content: '+';
  position: absolute;
  left: 0;
  top: 0.7rem;
  font-family: var(--font-mono);
  color: var(--red);
  font-weight: 600;
}

.who__cta {
  margin-top: auto;
  padding-top: 1.5rem;
}
.who__cta .btn { width: 100%; }

/* ALT redirects — mini-cards */
.who__redirects { display: flex; flex-direction: column; gap: 0; }
.who__redirects li {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--grey-2);
}
.who__redirects li:first-child { padding-top: 0; }
.who__redirects li:last-child { border-bottom: none; padding-bottom: 0; }

.redirect__hook {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  color: var(--white);
  line-height: 1.4;
}
.redirect__cta {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
  border-bottom: 1px solid var(--red);
  padding: 0.15rem 0;
  transition: color 140ms, border-color 140ms, transform 140ms;
}
.redirect__cta:hover {
  color: var(--white);
  border-bottom-color: var(--white);
  transform: translateX(2px);
}
.redirect__sub {
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.45;
  color: var(--grey-4);
}

.who__safety {
  margin: 1.5rem 0 0;
  padding: 0.85rem 1rem;
  border: 1px dashed var(--grey-3);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.55;
  letter-spacing: 0.06em;
  color: var(--grey-4);
}

/* ============================================================
   05 · RESULTS
   ============================================================ */

.results { background: var(--black-2); }
.results__lede {
  max-width: 58ch;
  margin: 0 0 2rem;
  font-size: clamp(0.95rem, 1.2vw, 1.1rem);
  color: var(--grey-4);
}
.results__grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 2px solid var(--white);
}
.results__grid li {
  position: relative;
  border-right: 1px solid var(--white);
  aspect-ratio: 1 / 1.05;
  overflow: hidden;
}
.results__grid li:last-child { border-right: none; }
.results__grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(112%);
  transition: filter 350ms, transform 600ms;
}
.results__grid li:hover img { filter: none; transform: scale(1.02); }
.result__caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  padding: 0.55rem 0.75rem;
  background: var(--black);
  border-top: 1px solid var(--white);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--white);
}
.result__caption span:last-child { color: var(--red); }
.results__footnote {
  margin: 1rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--grey-3);
}

/* ============================================================
   06 · ABOUT
   ============================================================ */

.about { background: var(--grey-1); }
.about__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
}
.about__photo {
  margin: 0;
  border: 2px solid var(--white);
  overflow: hidden;
}
.about__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 420px;
}
.about__copy { min-width: 0; }
.about__h2 { margin-bottom: 1rem; }
.about__copy p {
  font-size: clamp(1.05rem, 1.3vw, 1.25rem);
  line-height: 1.55;
  margin: 0 0 1rem;
}
.about__sig {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--red);
  margin: 0.5rem 0 0;
  line-height: 1;
}

/* ============================================================
   07 · FAQ
   ============================================================ */

.faq {
  background: #F6F4F0;
  color: #1F1F1F;
}
.faq .meta__num { color: var(--red); }
.faq .meta__label { color: #1F1F1F; }
.faq .slab__h2 {
  color: #1F1F1F;
  font-size: clamp(2.5rem, 6.5vw, 5.5rem);
  margin-bottom: 2.5rem;
}

.faq__list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid rgba(0, 0, 0, 0.14);
  max-width: 880px;
}
.faq__list li {
  border-bottom: 1px solid rgba(0, 0, 0, 0.14);
  padding: 1.85rem 0;
}
.faq__list h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: clamp(1.1rem, 1.3vw, 1.25rem);
  line-height: 1.4;
  letter-spacing: -0.005em;
  margin: 0 0 0.65rem;
  color: #1F1F1F;
  text-transform: none;
}
.faq__list p {
  font-size: 1rem;
  line-height: 1.65;
  margin: 0;
  color: #555555;
  max-width: 65ch;
}
.faq__list p + p { margin-top: 0.9rem; }

.faq__list a {
  color: var(--red);
  border-bottom: 1px solid var(--red);
  font-weight: 500;
  padding-bottom: 1px;
  transition: color 140ms, border-color 140ms;
}
.faq__list a:hover {
  color: #1F1F1F;
  border-bottom-color: #1F1F1F;
}

/* upsell tile: gently distinguished */
.faq__list li.faq__upsell {
  border-left: 3px solid var(--red);
  padding-left: 1.5rem;
}
.faq__cta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  margin-top: 1rem !important;
}
.faq__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red) !important;
  border: none !important;
  padding: 0.65rem 1.1rem;
  background: rgba(229, 9, 20, 0.08);
  border-radius: 0;
  transition: background 140ms, color 140ms, transform 140ms;
}
.faq__cta:hover {
  background: var(--red);
  color: var(--white-pure) !important;
  transform: translateX(2px);
}
.faq__cta-sub {
  font-size: 0.9rem;
  color: #6A6A6A;
  font-style: italic;
}

/* ============================================================
   08 · CLOSE
   ============================================================ */

.close {
  background: var(--black);
  text-align: center;
  padding-bottom: calc(var(--pad-y) + 4rem);
}
.close .slab__meta { justify-content: center; }
.close__h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(3.5rem, 11vw, 11rem);
  line-height: 0.85;
  letter-spacing: -0.01em;
  margin: 1rem auto 2.5rem;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.close__red { color: var(--red); }
.close__price {
  font-size: 0.5em;
  margin-top: 0.3em;
}

.close__cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}
.close__assure {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  line-height: 1.6;
  color: var(--grey-4);
  margin: 0;
}
.close__sig {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--red);
  margin: 0.5rem 0 0;
  line-height: 1;
}

/* ============================================================
   STICKY MOBILE BUY BAR
   ============================================================ */

.stickybar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 60;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.65rem var(--pad-x);
  background: var(--black);
  border-top: 2px solid var(--red);
}
.stickybar__price {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--white);
  line-height: 1;
}
.stickybar .btn { flex: 1; padding: 0.95rem 1rem; font-size: 0.78rem; }

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.5rem var(--pad-x);
  background: var(--black);
  border-top: var(--rule);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--grey-4);
}
.footer a:hover { color: var(--red); }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; }

  /* carb cycle grid becomes a stacked list on mobile */
  .cycle__grid, .cycle__grid thead, .cycle__grid tbody, .cycle__grid tr {
    display: block;
  }
  .cycle__grid thead { display: none; }
  .cycle__grid {
    border-collapse: collapse;
    border-spacing: 0;
    padding: 0;
  }
  .cycle__grid td {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.75rem;
    text-align: left;
    border-bottom: 2px solid var(--black-2);
    padding: 0.95rem 0.95rem;
    min-height: 0;
  }
  .cycle__grid td:last-child { border-bottom: none; }
  .cycle__sess { margin-bottom: 0; font-size: 1rem; }
  .cycle__carb { margin-bottom: 0; }
  .cycle__kcal { text-align: right; }

  .method__tiers { grid-template-columns: 1fr; }
  .tier { border-right: none; border-bottom: var(--rule); min-height: 0; }
  .tier:last-child { border-bottom: none; }

  .contents__grid { grid-template-columns: 1fr 1fr; }

  .who__cols { grid-template-columns: 1fr; }
  .who__block--yes { border-right: none; border-bottom: var(--rule); }

  .results__grid { grid-template-columns: 1fr; }
  .results__grid li { border-right: none; border-bottom: 1px solid var(--white); aspect-ratio: 4/5; }
  .results__grid li:last-child { border-bottom: none; }

  .about__grid { grid-template-columns: 1fr; }
  .about__photo img { min-height: 320px; }

  /* Show the sticky buy bar */
  .stickybar { display: flex; }
  /* Add bottom padding so sticky bar doesn't cover footer */
  body { padding-bottom: 4.5rem; }
}

@media (max-width: 560px) {
  .contents__grid { grid-template-columns: 1fr; }
  .hero__h1 { font-size: clamp(3rem, 14vw, 5rem); }
  .close__h2 { font-size: clamp(3rem, 14vw, 5rem); }
}

/* ============================================================
   MOTION
   ============================================================ */

@media (prefers-reduced-motion: no-preference) {
  .hero__h1 span { animation: drop-in 700ms cubic-bezier(0.2, 0.8, 0.2, 1) both; }
  .hero__h1 span:nth-child(1) { animation-delay: 40ms; }
  .hero__h1 span:nth-child(2) { animation-delay: 140ms; }
  .hero__h1 span:nth-child(3) { animation-delay: 240ms; }
  .hero__h1 span:nth-child(4) { animation-delay: 380ms; }
  @keyframes drop-in {
    from { opacity: 0; transform: translateY(-20px); }
    to   { opacity: 1; transform: none; }
  }
  .cycle { animation: fade-in 900ms 200ms cubic-bezier(0.2, 0.8, 0.2, 1) both; }
  @keyframes fade-in {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: none; }
  }
}