/* ==========================================================================
   Teach Forward, design tokens
   Chalkboard + worksheet-paper + sticky-note palette.
   Display: Space Grotesk. Marker accent: Caveat. Body: Inter. Data: Space Mono.
   ========================================================================== */

:root{
  --chalkboard: #16302A;
  --chalkboard-2: #1C3A32;
  --chalk: #F3F1E4;
  --paper: #F7F4EC;
  --paper-2: #EFEADA;
  --ink: #201C15;
  --ink-soft: #4B463C;
  --sticky-yellow: #FFC93C;
  --sticky-yellow-ink: #3A2C05;
  --sticky-coral: #FF5E3A;
  --sticky-coral-ink: #C43A1E; /* darker variant, for small text on light backgrounds */
  --sticky-blue: #7FA8D6;
  --sticky-mint: #8FC1A9;
  --line: rgba(32,28,21,0.12);
  --line-chalk: rgba(243,241,228,0.18);

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-marker: "Caveat", cursive;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "Space Mono", "SFMono-Regular", monospace;

  --wrap: 1120px;
  --radius: 14px;
  --radius-sm: 8px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 .5em;
  letter-spacing: -0.01em;
}

p{ margin: 0 0 1em; }
ul{ margin:0; padding:0; list-style:none; }
img{ max-width:100%; height:auto; display:block; }
a{ color: inherit; }

.wrap{
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

:focus-visible{
  outline: 3px solid var(--sticky-coral);
  outline-offset: 3px;
}

/* ---------------------------------- nav ---------------------------------- */

.nav{
  position: sticky;
  top:0;
  z-index: 50;
  background: rgba(22,48,42,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-chalk);
}
.nav-inner{
  max-width: var(--wrap);
  margin:0 auto;
  padding: 12px 16px;
  display:flex;
  align-items:center;
  gap: 14px;
}
.nav-logo{
  font-family: var(--font-display);
  font-weight:700;
  color: var(--chalk);
  text-decoration:none;
  font-size: 1.05rem;
  display:flex;
  align-items:center;
  gap:8px;
  white-space: nowrap;
  flex-shrink: 0;
}
.note-mark{
  width:14px; height:14px;
  background: var(--sticky-yellow);
  transform: rotate(-6deg);
  border-radius: 2px;
  display:inline-block;
  flex-shrink: 0;
}
.nav-links{
  display:flex;
  gap: 22px;
  margin-left: auto;
  font-size: .92rem;
}
.nav-links a{
  color: rgba(243,241,228,0.85);
  text-decoration:none;
}
.nav-links a:hover{ color: var(--sticky-yellow); }

.btn-small{ white-space: nowrap; flex-shrink: 0; }
.label-short{ display:none; }

.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:40px; height:40px;
  background:none;
  border:none;
  cursor:pointer;
  padding:0;
  flex-shrink: 0;
}
.nav-toggle span{
  display:block;
  width:100%;
  height:2px;
  background: var(--chalk);
  border-radius:2px;
}

/* --------------------------------- buttons -------------------------------- */

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-family: var(--font-display);
  font-weight: 600;
  text-decoration:none;
  border-radius: 999px;
  padding: 14px 28px;
  font-size: 1rem;
  border: none;
  cursor:pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn-yellow{
  background: var(--sticky-yellow);
  color: var(--sticky-yellow-ink);
  box-shadow: 0 6px 0 #C99A1E;
}
.btn-yellow:hover{
  transform: translateY(-2px);
  box-shadow: 0 8px 0 #C99A1E;
}
.btn-yellow:active{
  transform: translateY(2px);
  box-shadow: 0 3px 0 #C99A1E;
}
.btn-small{ padding: 9px 18px; font-size:.88rem; }
.btn-wide{ width:100%; padding: 16px 28px; font-size: 1.05rem; }
.btn-large{ padding: 18px 38px; font-size: 1.15rem; }

/* ---------------------------------- hero ---------------------------------- */

.section{ padding: 88px 0; }
.section.narrow .wrap{ max-width: 760px; }

.banner-photo{
  width:100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 30px;
  filter: grayscale(15%);
}

.board{ background: var(--chalkboard); color: var(--chalk); }
.paper{ background: var(--paper); color: var(--ink); }

.hero{
  position: relative;
  padding: 120px 0 90px;
  overflow:hidden;
  isolation: isolate;
}
.hero-bg{
  position:absolute; inset:0;
  background-size: cover;
  background-position: center 30%;
  filter: grayscale(45%) contrast(1.05);
  opacity: .5;
  z-index:-2;
}
.hero-scrim{
  position:absolute; inset:0;
  background:
    radial-gradient(ellipse at 20% 10%, rgba(22,48,42,0.2), transparent 55%),
    linear-gradient(180deg, rgba(16,34,29,0.75) 0%, rgba(16,34,29,0.92) 55%, var(--chalkboard) 100%);
  z-index:-1;
}
.hero-inner{ max-width: 780px; }

.eyebrow{
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .76rem;
  color: var(--sticky-yellow);
  margin-bottom: 14px;
}
.eyebrow.dark{ color: var(--sticky-coral-ink); }

h1{
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  color: var(--chalk);
}
.chalk-underline{
  display:block;
  font-family: var(--font-marker);
  font-weight:700;
  color: var(--sticky-yellow);
  font-size: 1.15em;
  margin-top: .12em;
  position: relative;
}
.chalk-underline::after{
  content:"";
  display:block;
  width: 62%;
  height: 8px;
  margin-top: 2px;
  background: var(--sticky-coral);
  border-radius: 6px;
  opacity: .85;
  transform: rotate(-1deg);
}

.lede{
  font-size: 1.2rem;
  color: rgba(243,241,228,0.92);
  max-width: 640px;
}
.hero-note{
  color: rgba(243,241,228,0.65);
  font-size: .96rem;
}

.hero-cta-row{
  display:flex;
  align-items:center;
  flex-wrap: wrap;
  gap: 18px;
  margin: 28px 0 22px;
}

.video-chip{
  display:flex;
  align-items:center;
  gap: 12px;
  text-decoration:none;
  color: var(--chalk);
  background: rgba(243,241,228,0.08);
  border: 1px solid var(--line-chalk);
  padding: 8px 16px 8px 8px;
  border-radius: 999px;
  font-size: .92rem;
  font-family: inherit;
  cursor: pointer;
  position: relative;
}
.video-chip img{
  width: 56px; height: 34px;
  object-fit: cover;
  border-radius: 6px;
}
.video-chip .play-dot{
  position:absolute;
  left: 8px; top: 8px; width:56px; height:34px;
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-size:.7rem;
  background: rgba(0,0,0,0.25);
  border-radius:6px;
  pointer-events: none;
}
.video-chip:hover{ border-color: var(--sticky-yellow); }
.video-chip-large img{ width: 220px; height: 124px; border-radius: 10px; }
.video-chip-large .play-dot{ width:220px; height:124px; border-radius:10px; font-size:1.4rem; }

/* On light (.paper) sections the default chalk-on-transparent styling is
   nearly invisible, so give the chip dark-mode-appropriate colors there. */
.paper .video-chip{
  color: var(--ink);
  background: rgba(32,28,21,0.04);
  border-color: var(--line);
}
.paper .video-chip:hover{ border-color: var(--sticky-coral-ink); }

.hero-proof{
  font-size: .9rem;
  color: rgba(243,241,228,0.8);
  margin: 0 0 14px;
}
.hero-proof-stars{ color: var(--sticky-yellow); letter-spacing: .08em; margin-right: 6px; }
.hero-proof-name{ color: rgba(243,241,228,0.55); }

.byline{
  color: rgba(243,241,228,0.7);
  font-size: .92rem;
}
.byline strong{ color: var(--chalk); }

.stat-strip{
  display:flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line-chalk);
  font-family: var(--font-mono);
  font-size: .8rem;
  color: rgba(243,241,228,0.75);
}

/* --------------------------------- problem -------------------------------- */

h2{ font-size: clamp(1.7rem, 3.4vw, 2.4rem); }
.paper h2{ color: var(--ink); }
.board h2{ color: var(--chalk); }

.problem-layout{
  display:grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  margin-top: 32px;
  align-items: stretch;
}
.problem-photo{
  width:100%;
  height:100%;
  min-height: 360px;
  object-fit: cover;
  border-radius: var(--radius);
  filter: grayscale(35%);
}
.card-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 0;
}
.pcard{
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  position:relative;
}
.pcard-mark{
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--sticky-coral-ink);
  display:block;
  margin-bottom: 10px;
}
.pcard h3{ font-size: 1.08rem; margin-bottom: .4em; }
.pcard p{ color: var(--ink-soft); font-size: .96rem; margin:0; }

.section-close{
  font-family: var(--font-display);
  font-size: 1.15rem;
  max-width: 720px;
  margin-top: 34px;
}
.section-lede{
  font-size: 1.08rem;
  max-width: 700px;
  color: var(--ink-soft);
}
.board .section-lede{ color: rgba(243,241,228,0.78); }

/* ------------------------------ before/after ------------------------------ */

.how-intro{
  display:grid;
  grid-template-columns: 1fr 220px;
  gap: 24px;
  margin: 30px 0 26px;
  align-items: stretch;
}
.how-photo{
  width:100%;
  height:100%;
  min-height: 220px;
  object-fit: cover;
  border-radius: var(--radius);
  filter: grayscale(20%);
}
.before-after{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin: 0;
}
.ba-card{
  border: 1px solid var(--line-chalk);
  border-radius: var(--radius);
  padding: 24px;
  background: rgba(243,241,228,0.04);
}
.ba-card p{ margin:0; color: rgba(243,241,228,0.85); }
.ba-tag{
  font-family: var(--font-mono);
  font-size: .74rem;
  text-transform:uppercase;
  letter-spacing:.08em;
  color: rgba(243,241,228,0.55);
  display:block;
  margin-bottom: 10px;
}
.ba-highlight{
  background: rgba(255,201,60,0.08);
  border-color: rgba(255,201,60,0.45);
}
.ba-highlight .ba-tag{ color: var(--sticky-yellow); }
.ba-highlight p{ color: var(--chalk); }

/* --------------------------- signature board demo -------------------------- */

.board-demo{
  margin: 42px 0 10px;
  border: 1px solid var(--line-chalk);
  border-radius: var(--radius);
  padding: 26px;
  background: rgba(0,0,0,0.15);
}
.board-demo-head{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  flex-wrap:wrap;
  gap: 6px;
  margin-bottom: 18px;
}
.board-demo-title{ font-family: var(--font-display); font-weight:600; color: var(--chalk); }
.board-demo-sub{ font-family: var(--font-mono); font-size:.74rem; color: rgba(243,241,228,0.5); }

.board-columns{
  position: relative;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding-top: 4px;
}
.board-col{
  background: rgba(243,241,228,0.05);
  border: 1px dashed var(--line-chalk);
  border-radius: var(--radius-sm);
  padding: 10px;
  min-height: 300px; /* guarantees the frame contains all 4 stacked notes (last one sits at top:226px) */
}
.board-col h4{
  font-family: var(--font-mono);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: rgba(243,241,228,0.6);
  margin: 0;
}

.note{
  position: absolute;
  top: 46px;
  width: calc(33.333% - 20px);
  min-height: 46px;
  padding: 10px 12px;
  border-radius: 3px;
  font-family: var(--font-marker);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--sticky-yellow-ink);
  background: var(--sticky-yellow);
  box-shadow: 0 6px 14px rgba(0,0,0,0.25);
  transform: rotate(-2deg);
  animation: driftToLearn 12s ease-in-out infinite;
}
.note-a{ left: 10px; background: var(--sticky-yellow); animation-delay: 0s; }
.note-b{ left: 10px; top: 106px; background: var(--sticky-coral); color:#fff; transform: rotate(2deg); animation-name: driftCoral; animation-delay: 1.4s; }
.note-c{ left: 10px; top: 166px; background: var(--sticky-blue); color: #12233d; transform: rotate(-1deg); animation-name: driftBlue; animation-delay: 2.8s; }
.note-d{ left: 10px; top: 226px; background: var(--sticky-mint); color: #113322; transform: rotate(1.5deg); animation-name: driftMint; animation-delay: 4.2s; }

@keyframes driftToLearn{
  0%, 22%{ left: 10px; transform: rotate(-2deg); }
  38%, 60%{ left: calc(33.333% + 10px); transform: rotate(1deg); }
  76%, 96%{ left: calc(66.666% + 6px); transform: rotate(-1.5deg); }
  100%{ left: 10px; transform: rotate(-2deg); }
}
@keyframes driftCoral{
  0%, 22%{ left: 10px; transform: rotate(2deg); }
  38%, 60%{ left: calc(33.333% + 10px); transform: rotate(-1deg); }
  76%, 96%{ left: calc(66.666% + 6px); transform: rotate(1.5deg); }
  100%{ left: 10px; transform: rotate(2deg); }
}
@keyframes driftBlue{
  0%, 22%{ left: 10px; transform: rotate(-1deg); }
  38%, 60%{ left: calc(33.333% + 10px); transform: rotate(2deg); }
  76%, 96%{ left: calc(66.666% + 6px); transform: rotate(-2deg); }
  100%{ left: 10px; transform: rotate(-1deg); }
}
@keyframes driftMint{
  0%, 22%{ left: 10px; transform: rotate(1.5deg); }
  38%, 60%{ left: calc(33.333% + 10px); transform: rotate(-1.5deg); }
  76%, 96%{ left: calc(66.666% + 6px); transform: rotate(1deg); }
  100%{ left: 10px; transform: rotate(1.5deg); }
}

@media (prefers-reduced-motion: reduce){
  .note{ animation: none !important; }
  .note-a{ left: calc(66.666% + 6px); }
  .note-b{ left: calc(33.333% + 10px); }
  .note-c{ left: calc(66.666% + 6px); }
  .note-d{ left: 10px; }
}

.board-steps{
  margin: 22px 0 0;
  padding-left: 1.2em;
  list-style: decimal;
  color: rgba(243,241,228,0.82);
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 32px;
}
.board-steps li{ margin-bottom: 6px; }

.mid-cta{ margin-top: 40px; }
.mid-cta-proof{
  margin: 14px 0 0;
  font-size: .88rem;
  color: rgba(243,241,228,0.6);
}
.mid-cta-proof a{ color: var(--sticky-yellow); text-decoration: underline; }
.mid-cta-proof a:hover{ color: var(--chalk); }

/* ---------------------------------- what it is ---------------------------------- */

.mini-head{ margin-top: 30px; font-size: 1.05rem; }
.not-list li{
  padding: 12px 0 12px 26px;
  border-top: 1px solid var(--line-chalk);
  position: relative;
  color: rgba(243,241,228,0.85);
}
.not-list li::before{
  content:"×";
  position:absolute; left:0; color: var(--sticky-coral);
  font-family: var(--font-mono);
}
.not-list li:last-child{ border-bottom: 1px solid var(--line-chalk); }

/* ---------------------------------- levels ---------------------------------- */

.levels{ margin-top: 34px; display:flex; flex-direction:column; gap: 0; }
.level{
  display:grid;
  grid-template-columns: 64px 1fr;
  gap: 22px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
}
.level:last-child{ border-bottom: 1px solid var(--line); }
.level-num{
  font-family: var(--font-marker);
  font-weight: 700;
  font-size: 2.6rem;
  color: var(--sticky-coral-ink);
  line-height: 1;
}
.level h3{ font-size: 1.15rem; margin-bottom:.35em; }
.level p{ color: var(--ink-soft); margin:0; max-width: 640px; }

/* ---------------------------------- curriculum ---------------------------------- */

.curriculum-head{
  display:grid;
  grid-template-columns: 1fr 260px;
  gap: 30px;
  align-items:center;
}
.curriculum-photo{
  width:100%;
  height: 190px;
  object-fit: cover;
  border-radius: var(--radius);
  filter: grayscale(15%);
}

.modules{ margin-top: 30px; display:flex; flex-direction:column; gap: 10px; }
.module{
  background: rgba(243,241,228,0.04);
  border: 1px solid var(--line-chalk);
  border-radius: var(--radius-sm);
  padding: 6px 22px;
}
.module summary{
  cursor:pointer;
  padding: 16px 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--chalk);
  list-style: none;
  display:flex;
  align-items:center;
  gap: 14px;
}
.module summary::-webkit-details-marker{ display:none; }
.module summary::after{
  content: "+";
  margin-left:auto;
  font-size: 1.4rem;
  color: var(--sticky-yellow);
}
.module[open] summary::after{ content: "-"; }
.mod-tag{
  font-family: var(--font-mono);
  font-size: .72rem;
  background: var(--sticky-yellow);
  color: var(--sticky-yellow-ink);
  padding: 4px 9px;
  border-radius: 999px;
}
.module p{ color: rgba(243,241,228,0.82); padding-bottom: 8px; }
.leave-with{ font-family: var(--font-display); color: var(--chalk) !important; font-size: .96rem; }

/* ---------------------------------- who ---------------------------------- */

.who-head{
  display:grid;
  grid-template-columns: 220px 1fr;
  gap: 26px;
  align-items:center;
}
.who-photo{
  width:100%;
  height: 140px;
  object-fit: cover;
  border-radius: var(--radius);
  filter: grayscale(30%);
}

.fit-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 30px;
}
.fit-col{
  border-radius: var(--radius);
  padding: 26px;
}
.fit-yes{ background: #fff; border: 1px solid var(--line); }
.fit-no{ background: var(--paper-2); border: 1px solid var(--line); }
.fit-col h3{ font-size: 1.05rem; margin-bottom: 16px; }
.fit-col li{
  padding: 10px 0 10px 26px;
  border-top: 1px solid var(--line);
  position: relative;
  font-size: .96rem;
  color: var(--ink-soft);
}
.fit-yes li::before{ content:"+"; position:absolute; left:2px; color:#3E8A5A; font-family: var(--font-mono); font-weight:700; }
.fit-no li::before{ content:"x"; position:absolute; left:2px; color: var(--sticky-coral); font-family: var(--font-mono); font-weight:700; }

/* -------------------------------- instructor -------------------------------- */

.instructor-wrap{
  display:grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  align-items:start;
}
.instructor-photo{
  width: 220px; height: 220px;
  object-fit: cover;
  border-radius: 999px;
  border: 3px solid var(--sticky-yellow);
}
.instructor-cred{ color: rgba(243,241,228,0.75); font-size: .96rem; }
.instructor-wrap p{ color: rgba(243,241,228,0.88); }

/* ---------------------------------- proof ---------------------------------- */

.proof-row{
  display:grid;
  grid-template-columns: 320px 1fr;
  gap: 40px;
  margin-top: 30px;
  align-items:center;
}
.free-lectures{ margin: 14px 0; }
.free-lectures li{
  padding: 9px 0 9px 24px;
  border-top: 1px solid var(--line);
  position: relative;
  font-size: .96rem;
}
.free-lectures li::before{ content:"▸"; position:absolute; left:2px; color: var(--sticky-coral); }
.proof-record{
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: 1.05rem;
}

/* ---------------------------------- reviews ---------------------------------- */

.review-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px 26px;
  margin-top: 40px;
}
.review-card{
  position: relative;
  padding: 30px 26px 26px;
  border-radius: 4px;
  color: var(--ink);
  box-shadow: 0 10px 22px rgba(0,0,0,0.22);
  transition: transform .2s ease, box-shadow .2s ease;
}
.review-card::before{
  content:"";
  position:absolute;
  top:-9px; left:50%;
  width:18px; height:18px;
  margin-left:-9px;
  border-radius:50%;
  background: radial-gradient(circle at 35% 30%, #fff8, transparent 45%), var(--ink);
  box-shadow: 0 3px 4px rgba(0,0,0,0.35);
}
.review-card:hover{ transform: rotate(0deg) translateY(-4px); box-shadow: 0 16px 30px rgba(0,0,0,0.28); }

.review-yellow{ background: var(--sticky-yellow); transform: rotate(-1.5deg); }
.review-blue{ background: var(--sticky-blue); transform: rotate(1deg); }
.review-coral{ background: var(--sticky-coral); transform: rotate(-1deg); }
.review-mint{ background: var(--sticky-mint); transform: rotate(1.5deg); }

.review-stars{
  display:block;
  font-size: 1.1rem;
  letter-spacing: .12em;
  margin-bottom: 14px;
  color: var(--ink);
}
.review-quote{
  font-size: .98rem;
  line-height: 1.55;
  margin: 0 0 18px;
  color: var(--ink);
}
.review-name{
  font-family: var(--font-marker);
  font-weight: 700;
  font-size: 1.4rem;
  margin:0;
  color: var(--ink);
}

@media (prefers-reduced-motion: reduce){
  .review-card{ transition: none; }
}

/* ---------------------------------- offer ---------------------------------- */

.offer-section{ text-align: center; }
.offer-card{
  max-width: 560px;
  margin: 34px auto 0;
  background: rgba(243,241,228,0.05);
  border: 1px solid var(--line-chalk);
  border-radius: var(--radius);
  padding: 40px;
  text-align:left;
}
.offer-price{ display:flex; align-items:baseline; gap: 12px; margin-bottom: 10px; }
.price-amount{ font-family: var(--font-display); font-size: 3rem; font-weight:700; color: var(--sticky-yellow); }
.price-note{ color: rgba(243,241,228,0.65); font-size: .92rem; }
.price-anchor{
  font-size: .92rem;
  color: rgba(243,241,228,0.7);
  border-top: 1px solid var(--line-chalk);
  padding-top: 16px;
  margin-bottom: 20px;
}
.compare-list{ margin-bottom: 26px; }
.compare-list li{
  padding: 9px 0 9px 22px;
  position: relative;
  font-size: .9rem;
  color: rgba(243,241,228,0.78);
}
.compare-list li::before{ content:"→"; position:absolute; left:0; color: var(--sticky-yellow); }
.compare-list li span{ color: var(--chalk); font-weight:600; }

.offer-list{ margin-bottom: 24px; }
.offer-list li{
  padding: 11px 0 11px 26px;
  border-top: 1px solid var(--line-chalk);
  position: relative;
  color: rgba(243,241,228,0.9);
}
.offer-list li::before{ content:"✓"; position:absolute; left:2px; color: var(--sticky-mint); }
.offer-bonus{
  background: rgba(255,94,58,0.1);
  border: 1px solid rgba(255,94,58,0.35);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  margin-bottom: 26px;
}
.bonus-tag{
  font-family: var(--font-mono);
  font-size: .7rem;
  text-transform:uppercase;
  letter-spacing:.08em;
  color: var(--sticky-coral);
  display:block;
  margin-bottom: 6px;
}
.offer-bonus p{ margin:0; color: var(--chalk); font-size: .94rem; }
.offer-fine{
  text-align:center;
  color: rgba(243,241,228,0.55);
  font-size: .84rem;
  margin: 12px 0 0;
}
.paper .offer-fine{ color: var(--ink-soft); }

/* -------------------------------- guarantee -------------------------------- */

.guarantee-wrap{
  display:grid;
  grid-template-columns: 160px 1fr;
  gap: 32px;
  align-items:center;
}
.guarantee-badge{ border-radius: var(--radius-sm); }

/* ---------------------------------- faq ---------------------------------- */

.faq-list{ margin-top: 30px; display:flex; flex-direction:column; gap: 10px; }
.faq-item{
  border-bottom: 1px solid var(--line-chalk);
  padding: 4px 0;
}
.faq-item summary{
  cursor:pointer;
  padding: 16px 4px;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--chalk);
  list-style:none;
  display:flex;
  gap: 14px;
  align-items:center;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{ content:"+"; margin-left:auto; color: var(--sticky-yellow); font-size:1.3rem; }
.faq-item[open] summary::after{ content:"-"; }
.faq-item p{ color: rgba(243,241,228,0.82); padding: 0 4px 16px; max-width: 720px; }

/* ------------------------------- final cta ------------------------------- */

.final-cta{
  text-align:center;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.final-cta .final-bg{ opacity: .35; }
.final-cta h2{ color: var(--chalk); }
.final-cta .section-lede{ margin: 0 auto 30px; }
.final-cta .btn{ margin-bottom: 16px; }

/* ------------------------------ inline video modal ------------------------------ */

.video-modal{
  display:none;
  position: fixed;
  inset: 0;
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.video-modal.open{ display:flex; }
.video-modal-backdrop{
  position: absolute;
  inset: 0;
  background: rgba(8,16,14,0.88);
  backdrop-filter: blur(4px);
}
.video-modal-dialog{
  position: relative;
  width: 100%;
  max-width: 920px;
}
.video-modal-frame{
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.video-modal-frame iframe{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.video-modal-close{
  position: absolute;
  top: -44px;
  right: 0;
  width: 36px; height: 36px;
  border-radius: 999px;
  border: 1px solid var(--line-chalk);
  background: rgba(243,241,228,0.1);
  color: var(--chalk);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}
.video-modal-close:hover{ background: var(--sticky-yellow); color: var(--sticky-yellow-ink); border-color: var(--sticky-yellow); }

@media (max-width: 560px){
  .video-modal{ padding: 12px; }
  .video-modal-close{ top: -40px; width: 32px; height: 32px; font-size: 1.2rem; }
}

/* ------------------------------ mobile sticky cta ------------------------------ */

.sticky-cta{
  display:none;
}

@media (max-width: 860px){
  .sticky-cta{
    display:flex;
    position: fixed;
    left:0; right:0; bottom:0;
    z-index: 60;
    background: rgba(19,42,36,0.97);
    backdrop-filter: blur(8px);
    border-top: 1px solid var(--line-chalk);
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
    transform: translateY(100%);
    transition: transform .25s ease;
  }
  .sticky-cta.visible{ transform: translateY(0); }
  .sticky-cta-inner{
    max-width: var(--wrap);
    margin: 0 auto;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap: 14px;
  }
  .sticky-cta-text{
    display:flex;
    flex-direction:column;
    line-height:1.25;
  }
  .sticky-cta-name{
    font-family: var(--font-display);
    font-weight:600;
    font-size: .84rem;
    color: var(--chalk);
  }
  .sticky-cta-price{
    font-family: var(--font-mono);
    font-size: .78rem;
    color: var(--sticky-yellow);
  }
  .sticky-cta .btn-small{ flex-shrink:0; }
}

/* ---------------------------------- footer ---------------------------------- */

.footer{ background: var(--ink); color: rgba(243,241,228,0.7); padding: 40px 0; }
.footer-inner{ display:flex; flex-direction:column; gap: 16px; align-items:center; text-align:center; }
.footer-links{ display:flex; flex-wrap:wrap; gap: 20px; justify-content:center; font-size: .88rem; }
.footer-links a{ text-decoration:none; color: rgba(243,241,228,0.7); }
.footer-links a:hover{ color: var(--sticky-yellow); }
.footer-copy{ font-family: var(--font-mono); font-size: .78rem; color: rgba(243,241,228,0.45); margin:0; }

/* ---------------------------------- responsive ---------------------------------- */

@media (max-width: 860px){
  .card-grid{ grid-template-columns: 1fr; }
  .before-after{ grid-template-columns: 1fr; }
  .board-steps{ grid-template-columns: 1fr; }
  .fit-grid{ grid-template-columns: 1fr; }
  .review-grid{ grid-template-columns: 1fr; }
  .problem-layout{ grid-template-columns: 1fr; }
  .problem-photo{ min-height: 200px; order: -1; }
  .how-intro{ grid-template-columns: 1fr; }
  .how-photo{ min-height: 180px; order: -1; }
  .curriculum-head{ grid-template-columns: 1fr; }
  .curriculum-photo{ height: 180px; }
  .who-head{ grid-template-columns: 1fr; }
  .who-photo{ height: 160px; }
  .banner-photo{ height: 200px; }
  .instructor-wrap{ grid-template-columns: 1fr; text-align:left; }
  .instructor-photo{ width: 120px; height: 120px; }
  .proof-row{ grid-template-columns: 1fr; }
  .guarantee-wrap{ grid-template-columns: 1fr; text-align:center; }
  .guarantee-wrap img{ margin: 0 auto; }
  .level{ grid-template-columns: 44px 1fr; }
  .level-num{ font-size: 2rem; }

  .nav-toggle{ display:flex; }
  .btn-small{ margin-left: auto; }
  .nav-links{
    position: absolute;
    top: 100%; left:0; right:0;
    flex-direction: column;
    gap: 0;
    background: var(--chalkboard);
    border-bottom: 1px solid var(--line-chalk);
    max-height: 0;
    overflow: hidden;
    transition: max-height .25s ease;
  }
  .nav-links.open{ max-height: 280px; }
  .nav-links a{
    padding: 14px 24px;
    border-top: 1px solid var(--line-chalk);
  }

  .footer{ padding-bottom: 96px; }
}

@media (max-width: 560px){
  .section{ padding: 60px 0; }
  .hero{ padding: 84px 0 50px; }
  .board-col{ min-height: 340px; }
  .note{ width: calc(33.333% - 14px); font-size: .88rem; padding: 8px 8px; }
  .offer-card{ padding: 26px; }

  .nav-logo{ font-size: .92rem; }
  .label-full{ display:none; }
  .label-short{ display:inline; }
  .btn-small{ padding: 9px 14px; }

  .hero-break{ display:none; }
  h1{ font-size: 1.85rem; line-height: 1.18; }
  .chalk-underline{ font-size: 1.05em; }
  .lede{ font-size: 1.05rem; }
  .hero-note{ font-size: .88rem; }
  .byline{ font-size: .85rem; }
  .stat-strip{ margin-top: 18px; padding-top: 16px; font-size: .72rem; gap: 8px 14px; }

  /* Full-width, stacked CTAs so long labels never wrap inside a pill shape */
  .hero-cta-row{ flex-direction:column; align-items:stretch; margin: 20px 0 16px; }
  .hero-cta-row .btn{ width:100%; }
  .hero-cta-row .video-chip{ justify-content:center; }
  .mid-cta .btn{ width:100%; }
}