/* ==========================================================================
   OLYMPIAD BOOSTER SERIES — Stylesheet
   Design concept: a real "workbook" — copybook rules, index-tab subject
   cards, a chalkboard hero, a numbered day-spine timeline.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Baloo+2:wght@500;600;700;800&family=Inter:wght@400;500;600;700;800&display=swap');

:root{
  /* ---- color tokens ---- */
  --navy:        #17213D;
  --navy-soft:   #212C4C;
  --white:       #FFFFFF;
  --paper:       #FAF8F3;
  --paper-line:  #E7E1D3;
  --ink-70:      rgba(23,33,61,.7);
  --ink-50:      rgba(23,33,61,.5);

  --coral:       #EF6C4D;
  --coral-dark:  #D6532F;
  --yellow:      #F5B942;
  --yellow-dark: #D99A1E;
  --sky:         #3E9BD1;
  --sky-dark:    #2C7BAA;
  --green:       #4C9A5B;
  --green-dark:  #397746;

  /* ---- type ---- */
  --font-display: 'Baloo 2', 'Segoe UI Rounded', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* ---- radius / shadow ---- */
  --r-sm: 10px;
  --r-md: 18px;
  --r-lg: 28px;
  --shadow-card: 0 10px 30px -12px rgba(23,33,61,.18);
  --shadow-btn: 0 10px 24px -8px rgba(239,108,77,.55);

  --container: 1160px;
}

/* ---- reset ---- */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--navy);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; border:none; background:none; }
h1,h2,h3,h4{ font-family:var(--font-display); margin:0; line-height:1.15; color:var(--navy); }
p{ margin:0; }

:focus-visible{
  outline:3px solid var(--sky);
  outline-offset:3px;
  border-radius:6px;
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:0.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.01ms !important;
    scroll-behavior:auto !important;
  }
}

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

.visually-hidden{
  position:absolute; width:1px; height:1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap;
}

/* ==========================================================================
   TOP NAV
   ========================================================================== */
.site-nav{
  position:sticky; top:0; z-index:60;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--paper-line);
}
.site-nav .container{
  display:flex; align-items:center; justify-content:space-between;
  height:72px;
}
.nav-brand{
  display:flex; align-items:center; gap:10px;
  font-family:var(--font-display); font-weight:700; font-size:1.15rem;
  color:var(--navy);
}
.brand-logo-img{
  height:44px; width:44px; border-radius:50%;
  object-fit:cover; flex:none;
}
.footer-logo-img{ height:32px; width:32px; }
.nav-brand .brand-sub{
  display:block; font-family:var(--font-body); font-weight:500;
  font-size:.68rem; color:var(--ink-50); letter-spacing:.02em;
}
.nav-cta{
  display:inline-flex; align-items:center; gap:8px;
  background:var(--coral); color:var(--white);
  font-weight:700; font-size:.95rem;
  padding:12px 22px; border-radius:999px;
  box-shadow:var(--shadow-btn);
  transition:transform .18s ease, box-shadow .18s ease;
}
.nav-cta:hover{ transform:translateY(-2px); box-shadow:0 14px 28px -8px rgba(239,108,77,.6); }
@media (max-width:640px){
  .nav-cta{ padding:10px 16px; font-size:.85rem; }
  .nav-brand .brand-sub{ display:none; }
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  font-family:var(--font-body); font-weight:700; font-size:1.05rem;
  padding:18px 34px; border-radius:999px;
  min-height:56px;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn-primary{
  background:var(--coral); color:var(--white);
  box-shadow:var(--shadow-btn);
}
.btn-primary:hover{ background:var(--coral-dark); transform:translateY(-2px); box-shadow:0 16px 30px -8px rgba(214,83,47,.6); }
.btn-primary:active{ transform:translateY(0); }
.btn-large{ font-size:1.2rem; padding:20px 44px; width:100%; max-width:420px; }
.btn-outline{
  background:transparent; color:var(--navy);
  border:2px solid var(--navy);
}
.btn-outline:hover{ background:var(--navy); color:var(--white); }

.btn-micro{
  display:block; text-align:center;
  font-size:.85rem; color:var(--ink-50);
  margin-top:12px;
}

.price-tag{
  display:inline-flex; align-items:baseline; gap:8px;
  margin-bottom:16px;
}
.price-tag .amount{
  font-family:var(--font-display); font-weight:800;
  font-size:2rem; color:var(--yellow);
}
.price-tag .note{
  font-size:.92rem; color:rgba(255,255,255,.7); font-weight:600;
}
.price-tag.light .amount{ color:var(--coral); }
.price-tag.light .note{ color:var(--ink-50); }
.sticky-cta .price-mini{
  display:block; text-align:center; font-size:.82rem; font-weight:700;
  color:var(--ink-70); margin-bottom:6px;
}
.sticky-cta .price-mini .amount{ color:var(--coral); font-family:var(--font-display); }

/* ==========================================================================
   BADGES / PILLS
   ========================================================================== */
.badge-row{
  display:flex; flex-wrap:wrap; gap:10px;
  justify-content:center;
}
.badge{
  display:inline-flex; align-items:center; gap:8px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.22);
  color:var(--white);
  font-weight:600; font-size:.88rem;
  padding:9px 16px; border-radius:999px;
}
.badge .dot{ width:6px; height:6px; border-radius:50%; background:var(--yellow); flex:none; }

.badge-light{
  background:var(--paper);
  border:1px solid var(--paper-line);
  color:var(--navy);
}

/* ==========================================================================
   HERO — chalkboard navy
   ========================================================================== */
.hero{
  position:relative;
  background:
    radial-gradient(ellipse 900px 500px at 15% -10%, rgba(245,185,66,.12), transparent 60%),
    radial-gradient(ellipse 700px 500px at 100% 10%, rgba(62,155,209,.15), transparent 60%),
    var(--navy);
  color:var(--white);
  overflow:hidden;
  padding:64px 0 96px;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
  position:relative; z-index:2;
}
.hero-eyebrow-badge{
  display:inline-flex; align-items:center; gap:8px;
  background:rgba(245,185,66,.15);
  border:1px solid rgba(245,185,66,.4);
  color:var(--yellow);
  font-weight:700; font-size:.85rem;
  padding:7px 16px; border-radius:999px;
  margin-bottom:22px;
}
.hero h1{
  font-size:clamp(2.1rem, 4.6vw, 3.4rem);
  font-weight:800;
  color:var(--white);
  max-width:15ch;
}
.hero h1 .accent{ color:var(--yellow); }
.hero-sub{
  margin-top:20px;
  font-size:1.15rem;
  color:rgba(255,255,255,.82);
  max-width:46ch;
}
.hero-badges{ margin:30px 0 32px; justify-content:flex-start; }
.hero-cta-wrap{ margin-top:6px; }
.hero .btn-micro{ color:rgba(255,255,255,.6); text-align:left; }

/* --- ebook 3D mockup --- */
.hero-visual{ position:relative; display:flex; justify-content:center; }
.book-stage{
  position:relative;
  width:100%;
  max-width:420px;
  aspect-ratio:4/5;
  perspective:1400px;
}
.book-mock{
  position:absolute; inset:0;
  transform-style:preserve-3d;
  transform:rotateY(-16deg) rotateX(4deg);
  animation:bookFloat 6s ease-in-out infinite;
}
@keyframes bookFloat{
  0%,100%{ transform:rotateY(-16deg) rotateX(4deg) translateY(0); }
  50%{ transform:rotateY(-13deg) rotateX(3deg) translateY(-10px); }
}
.book-page{
  position:absolute; inset:0;
  border-radius:6px 16px 16px 6px;
  background:var(--paper);
  box-shadow:0 20px 50px -12px rgba(0,0,0,.45);
}
.book-page.p1{ transform:translateZ(-18px) translateX(10px); background:#EFE9DA; }
.book-page.p2{ transform:translateZ(-9px) translateX(5px); background:#F5F0E4; }
.book-cover{
  position:absolute; inset:0;
  border-radius:6px 16px 16px 6px;
  box-shadow:0 26px 60px -14px rgba(0,0,0,.5);
  overflow:hidden;
  background:var(--white);
}
.book-cover img{
  width:100%; height:100%; object-fit:cover; object-position:top center;
  display:block;
}
.book-cover::after{
  content:"";
  position:absolute; left:0; top:0; bottom:0; width:14px;
  background:rgba(0,0,0,.18);
}

.float-icon{
  position:absolute;
  filter:drop-shadow(0 8px 14px rgba(0,0,0,.25));
  animation:iconDrift 5s ease-in-out infinite;
}
.float-icon.i1{ top:2%; right:2%; animation-delay:.2s; }
.float-icon.i2{ bottom:10%; left:0%; animation-delay:1.1s; }
.float-icon.i3{ top:42%; right:-2%; animation-delay:.6s; }
@keyframes iconDrift{
  0%,100%{ transform:translateY(0) rotate(0deg); }
  50%{ transform:translateY(-14px) rotate(4deg); }
}

@media (max-width:900px){
  .hero-grid{ grid-template-columns:1fr; text-align:center; }
  .hero-sub{ margin-left:auto; margin-right:auto; }
  .hero-badges{ justify-content:center; }
  .hero .btn-micro{ text-align:center; }
  .book-stage{ max-width:300px; margin-top:20px; }
}

/* ==========================================================================
   SECTION SCAFFOLDING
   ========================================================================== */
section{ padding:88px 0; }
.section-paper{ background:var(--paper); }
.section-head{ max-width:640px; margin-bottom:48px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-kicker{
  display:inline-block;
  font-weight:700; color:var(--coral);
  font-size:.95rem; margin-bottom:12px;
}
.section-head h2{
  font-size:clamp(1.7rem, 3.2vw, 2.4rem);
  font-weight:800;
}
.section-head p{
  margin-top:14px; font-size:1.08rem; color:var(--ink-70);
}

.reveal{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }

/* ==========================================================================
   PROBLEM SECTION
   ========================================================================== */
.problem-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:20px;
  margin-bottom:44px;
}
.problem-card{
  background:var(--white);
  border:1px solid var(--paper-line);
  border-radius:var(--r-md);
  padding:26px 24px;
}
.problem-card .p-icon{
  width:42px; height:42px; border-radius:12px;
  background:#FDEDE7; color:var(--coral);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:14px;
}
.problem-card h3{ font-size:1.08rem; font-weight:700; margin-bottom:6px; }
.problem-card p{ font-size:.95rem; color:var(--ink-70); }

.solution-banner{
  display:flex; align-items:center; gap:20px;
  background:var(--navy);
  color:var(--white);
  border-radius:var(--r-lg);
  padding:32px 36px;
}
.solution-banner .sb-icon{
  flex:none; width:52px; height:52px; border-radius:14px;
  background:var(--yellow); color:var(--navy);
  display:flex; align-items:center; justify-content:center;
}
.solution-banner p{ font-size:1.15rem; font-weight:600; }
.solution-banner strong{ color:var(--yellow); }

@media (max-width:800px){
  .problem-grid{ grid-template-columns:1fr; }
  .solution-banner{ flex-direction:column; text-align:center; }
}

/* ==========================================================================
   BIG IDEA — flow diagram
   ========================================================================== */
.idea-wrap{
  display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center;
}
.idea-copy p{ color:var(--ink-70); font-size:1.05rem; margin-top:10px; }
.idea-copy p + p{ margin-top:14px; }

.flow{ display:flex; flex-direction:column; gap:0; }
.flow-step{
  display:flex; align-items:center; gap:16px;
  padding:16px 20px;
  background:var(--white);
  border:1px solid var(--paper-line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-card);
  position:relative;
}
.flow-step .fs-num{
  flex:none; width:38px; height:38px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:700; font-size:1.1rem;
  color:var(--white);
}
.flow-step.step-1 .fs-num{ background:var(--coral); }
.flow-step.step-2 .fs-num{ background:var(--yellow); color:var(--navy); }
.flow-step.step-3 .fs-num{ background:var(--sky); }
.flow-step.step-4 .fs-num{ background:var(--green); }
.flow-step .fs-text{ font-weight:700; font-size:1.02rem; }
.flow-connector{
  width:2px; height:22px; background:var(--paper-line);
  margin-left:39px;
}

@media (max-width:800px){
  .idea-wrap{ grid-template-columns:1fr; gap:32px; }
}

/* ==========================================================================
   SUBJECT / INDEX-TAB CARDS
   ========================================================================== */
.subject-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:22px;
}
.subject-card{
  position:relative;
  background:var(--white);
  border:1px solid var(--paper-line);
  border-radius:0 var(--r-md) var(--r-md) var(--r-md);
  padding:28px 22px 24px;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease, box-shadow .2s ease;
}
.subject-card:hover{ transform:translateY(-6px); box-shadow:0 18px 34px -14px rgba(23,33,61,.28); }
.subject-tab{
  position:absolute; top:-14px; left:0;
  padding:6px 16px 8px;
  border-radius:10px 10px 0 0;
  font-size:.76rem; font-weight:700; color:var(--white);
  letter-spacing:.01em;
}
.subject-card.eng .subject-tab{ background:var(--sky); }
.subject-card.math .subject-tab{ background:var(--coral); }
.subject-card.logic .subject-tab{ background:var(--green); }
.subject-card.sci .subject-tab{ background:var(--yellow-dark); }

.subject-icon{
  width:50px; height:50px; border-radius:14px;
  display:flex; align-items:center; justify-content:center;
  margin:10px 0 16px;
}
.subject-card.eng .subject-icon{ background:#E7F3FA; color:var(--sky-dark); }
.subject-card.math .subject-icon{ background:#FDEDE7; color:var(--coral-dark); }
.subject-card.logic .subject-icon{ background:#EAF5EC; color:var(--green-dark); }
.subject-card.sci .subject-icon{ background:#FEF4DF; color:var(--yellow-dark); }

.subject-card h3{ font-size:1.15rem; font-weight:700; margin-bottom:8px; }
.subject-card p{ font-size:.92rem; color:var(--ink-70); margin-bottom:14px; }
.subject-skills{ display:flex; flex-wrap:wrap; gap:6px; }
.subject-skills span{
  font-size:.76rem; font-weight:600;
  background:var(--paper); border:1px solid var(--paper-line);
  border-radius:999px; padding:4px 10px; color:var(--ink-70);
}

@media (max-width:900px){
  .subject-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:560px){
  .subject-grid{ grid-template-columns:1fr; }
}

/* ==========================================================================
   300-DAY SPINE TIMELINE
   ========================================================================== */
.spine{
  position:relative;
  max-width:720px; margin:0 auto;
  padding-left:46px;
}
.spine::before{
  content:"";
  position:absolute; left:15px; top:6px; bottom:6px; width:3px;
  background:repeating-linear-gradient(to bottom, var(--paper-line) 0 8px, transparent 8px 16px);
}
.spine-stage{
  position:relative;
  margin-bottom:36px;
  padding:24px 26px;
  background:var(--white);
  border:1px solid var(--paper-line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-card);
}
.spine-stage:last-child{ margin-bottom:0; }
.spine-stage::before{
  content:"";
  position:absolute; left:-46px; top:26px;
  width:32px; height:32px; border-radius:50%;
  border:4px solid var(--white);
  box-shadow:0 0 0 2px var(--paper-line);
}
.spine-stage.g1::before{ background:var(--sky); }
.spine-stage.g2::before{ background:var(--coral); }
.spine-stage.g3::before{ background:var(--green); }

.spine-range{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-display); font-weight:700; font-size:.85rem;
  color:var(--white); padding:5px 12px; border-radius:999px; margin-bottom:10px;
}
.spine-stage.g1 .spine-range{ background:var(--sky); }
.spine-stage.g2 .spine-range{ background:var(--coral); }
.spine-stage.g3 .spine-range{ background:var(--green); }

.spine-stage h3{ font-size:1.2rem; font-weight:700; margin-bottom:6px; }
.spine-stage p{ color:var(--ink-70); font-size:.96rem; }

.spine-note{
  text-align:center; margin-top:28px; font-size:.95rem; color:var(--ink-50);
}

/* ==========================================================================
   WORKSHEET PREVIEWS
   ========================================================================== */
.worksheet-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:22px;
}
.worksheet-mock{
  background:var(--white);
  border:1px solid var(--paper-line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.ws-head{
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 16px;
  font-size:.75rem; font-weight:700; color:var(--white);
}
.worksheet-mock.eng .ws-head{ background:var(--sky); }
.worksheet-mock.math .ws-head{ background:var(--coral); }
.worksheet-mock.logic .ws-head{ background:var(--green); }
.worksheet-mock.sci .ws-head{ background:var(--yellow-dark); }
.ws-body{ padding:18px 16px; background:
  repeating-linear-gradient(var(--white) 0 27px, var(--paper-line) 27px 28px);
}
.ws-body img, .ws-body svg{ width:100%; height:auto; display:block; }
.ws-body-img{
  padding:0; background:var(--white);
  aspect-ratio:1241/920;
  overflow:hidden;
}
.ws-body-img img{ width:100%; height:100%; object-fit:cover; object-position:top center; }
.ws-caption{ padding:10px 16px 16px; font-size:.82rem; color:var(--ink-70); }

@media (max-width:900px){ .worksheet-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .worksheet-grid{ grid-template-columns:1fr; } }

/* ==========================================================================
   FEATURE CARDS (why parents love it)
   ========================================================================== */
.feature-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:20px;
}
.feature-card{
  padding:26px 24px;
  border-radius:var(--r-md);
  background:var(--white);
  border:1px solid var(--paper-line);
}
.feature-card .f-icon{
  width:44px; height:44px; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:14px; color:var(--white);
}
.feature-card:nth-child(6n+1) .f-icon{ background:var(--coral); }
.feature-card:nth-child(6n+2) .f-icon{ background:var(--sky); }
.feature-card:nth-child(6n+3) .f-icon{ background:var(--green); }
.feature-card:nth-child(6n+4) .f-icon{ background:var(--yellow-dark); }
.feature-card:nth-child(6n+5) .f-icon{ background:var(--navy); }
.feature-card:nth-child(6n+6) .f-icon{ background:var(--coral-dark); }
.feature-card h3{ font-size:1.05rem; font-weight:700; margin-bottom:6px; }
.feature-card p{ font-size:.92rem; color:var(--ink-70); }

@media (max-width:900px){ .feature-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .feature-grid{ grid-template-columns:1fr; } }

/* ==========================================================================
   WHO IT'S FOR — two columns
   ========================================================================== */
.fit-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:24px;
}
.fit-col{
  background:var(--white);
  border:1px solid var(--paper-line);
  border-radius:var(--r-lg);
  padding:32px 30px;
}
.fit-col h3{ font-size:1.2rem; font-weight:700; margin-bottom:18px; }
.fit-col ul{ display:flex; flex-direction:column; gap:14px; }
.fit-col li{
  display:flex; align-items:flex-start; gap:12px;
  font-size:.98rem; color:var(--ink-70);
}
.fit-col li svg{ flex:none; margin-top:2px; }
.fit-col.parents{ border-top:4px solid var(--coral); }
.fit-col.children{ border-top:4px solid var(--sky); }

@media (max-width:800px){ .fit-grid{ grid-template-columns:1fr; } }

/* ==========================================================================
   PARENT ROUTINE — steps
   ========================================================================== */
.routine-grid{
  display:grid; grid-template-columns:repeat(5,1fr); gap:16px;
}
.routine-step{ text-align:center; }
.routine-step .rs-badge{
  width:56px; height:56px; border-radius:50%;
  background:var(--navy); color:var(--white);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:700; font-size:1.3rem;
  margin:0 auto 14px;
}
.routine-step h3{ font-size:.98rem; font-weight:700; margin-bottom:4px; }
.routine-step p{ font-size:.85rem; color:var(--ink-70); }

@media (max-width:900px){
  .routine-grid{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width:520px){
  .routine-grid{ grid-template-columns:1fr 1fr; }
}

/* ==========================================================================
   VALUE STACK
   ========================================================================== */
.value-card{
  background:var(--navy);
  border-radius:var(--r-lg);
  padding:44px 40px;
  color:var(--white);
}
.value-list{
  display:grid; grid-template-columns:1fr 1fr; gap:16px 28px;
  margin-top:28px;
}
.value-list li{
  display:flex; align-items:center; gap:12px;
  font-size:1.02rem; font-weight:600;
  padding:12px 0;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.value-list li svg{ flex:none; color:var(--yellow); }
@media (max-width:700px){
  .value-card{ padding:32px 24px; }
  .value-list{ grid-template-columns:1fr; }
}

/* ==========================================================================
   OFFER / CTA SECTIONS
   ========================================================================== */
.offer-section{
  background:
    radial-gradient(ellipse 700px 400px at 85% 0%, rgba(245,185,66,.18), transparent 60%),
    var(--navy);
  color:var(--white);
  text-align:center;
  padding:96px 0;
}
.offer-section h2{ color:var(--white); font-size:clamp(1.8rem,3.6vw,2.6rem); max-width:16ch; margin:0 auto; }
.offer-section .offer-sub{
  max-width:52ch; margin:18px auto 36px;
  font-size:1.1rem; color:rgba(255,255,255,.82);
}
.offer-cta-row{ display:flex; flex-direction:column; align-items:center; }
.offer-micro{ margin-top:14px; color:rgba(255,255,255,.6); font-size:.9rem; }

.final-cta{
  background:var(--paper);
  text-align:center;
  padding:96px 0 110px;
}
.final-cta h2{ font-size:clamp(1.8rem,3.6vw,2.5rem); }
.final-cta p{ max-width:48ch; margin:16px auto 34px; font-size:1.08rem; color:var(--ink-70); }

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */
.faq-list{ max-width:760px; margin:0 auto; display:flex; flex-direction:column; gap:12px; }
.faq-item{
  border:1px solid var(--paper-line);
  border-radius:var(--r-md);
  background:var(--white);
  overflow:hidden;
}
.faq-q{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:20px 22px;
  font-family:var(--font-body); font-weight:700; font-size:1.02rem;
  color:var(--navy); text-align:left;
}
.faq-q .faq-plus{
  flex:none; width:28px; height:28px; border-radius:50%;
  background:var(--paper); display:flex; align-items:center; justify-content:center;
  transition:transform .25s ease, background .25s ease;
}
.faq-item[data-open="true"] .faq-plus{ background:var(--coral); transform:rotate(45deg); }
.faq-item[data-open="true"] .faq-plus svg{ stroke:var(--white); }
.faq-a{
  max-height:0; overflow:hidden;
  transition:max-height .3s ease;
  padding:0 22px;
}
.faq-a p{ color:var(--ink-70); font-size:.96rem; padding-bottom:20px; }
.faq-item[data-open="true"] .faq-a{ max-height:260px; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer{
  background:var(--navy); color:rgba(255,255,255,.7);
  padding:44px 0 100px;
  font-size:.88rem;
}
.footer-row{
  display:flex; align-items:center; justify-content:space-between;
  flex-wrap:wrap; gap:16px;
}
.footer-brand{
  display:flex; align-items:center; gap:10px;
  color:var(--white); font-family:var(--font-display); font-weight:700;
}
.footer-links{ display:flex; gap:20px; flex-wrap:wrap; }
.footer-fine{ margin-top:22px; color:rgba(255,255,255,.45); font-size:.82rem; max-width:70ch; }

@media (max-width:760px){
  .site-footer{ padding-bottom:120px; }
}

/* ==========================================================================
   STICKY MOBILE CTA
   ========================================================================== */
.sticky-cta{
  position:fixed; left:0; right:0; bottom:0; z-index:70;
  display:none;
  padding:12px 16px calc(12px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-top:1px solid var(--paper-line);
  box-shadow:0 -8px 24px -10px rgba(23,33,61,.2);
}
.sticky-cta .btn{ width:100%; }
@media (max-width:760px){
  .sticky-cta{ display:block; }
}

/* ==========================================================================
   THANK-YOU PAGE
   ========================================================================== */
.ty-hero{
  background:
    radial-gradient(ellipse 700px 420px at 20% 0%, rgba(76,154,91,.18), transparent 60%),
    var(--navy);
  color:var(--white);
  text-align:center;
  padding:80px 0 64px;
}
.ty-check{
  width:76px; height:76px; border-radius:50%;
  background:var(--green);
  display:flex; align-items:center; justify-content:center;
  margin:0 auto 24px;
  box-shadow:0 12px 28px -8px rgba(76,154,91,.6);
}
.ty-hero h1{ color:var(--white); font-size:clamp(1.9rem,4vw,2.6rem); }
.ty-hero .ty-sub{ margin-top:12px; font-size:1.15rem; color:rgba(255,255,255,.85); }
.ty-hero .ty-msg{ margin-top:18px; max-width:48ch; margin-left:auto; margin-right:auto; color:rgba(255,255,255,.75); }

.ty-download{ padding:56px 0; text-align:center; }
.ty-download .btn-large{ margin:0 auto; }

.ty-included{ padding:16px 0 64px; }
.ty-included h2{ text-align:center; font-size:1.5rem; margin-bottom:28px; }
.ty-check-list{
  max-width:520px; margin:0 auto;
  display:grid; grid-template-columns:1fr 1fr; gap:14px;
}
.ty-check-list li{
  display:flex; align-items:center; gap:10px;
  background:var(--white); border:1px solid var(--paper-line);
  border-radius:var(--r-sm); padding:12px 14px;
  font-size:.92rem; font-weight:600;
}
.ty-check-list li svg{ flex:none; color:var(--green); }
@media (max-width:520px){ .ty-check-list{ grid-template-columns:1fr; } }

.ty-start{ background:var(--paper); padding:64px 0; }
.ty-start h2{ text-align:center; margin-bottom:32px; font-size:1.5rem; }
.ty-steps{
  max-width:560px; margin:0 auto;
  display:flex; flex-direction:column; gap:14px;
}
.ty-step{
  display:flex; align-items:center; gap:16px;
  background:var(--white); border:1px solid var(--paper-line);
  border-radius:var(--r-md); padding:16px 20px;
}
.ty-step .ts-num{
  flex:none; width:34px; height:34px; border-radius:50%;
  background:var(--coral); color:var(--white);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:700;
}
.ty-step p{ font-weight:600; font-size:.98rem; }

.ty-note{
  max-width:600px; margin:36px auto 0;
  text-align:center; padding:20px 26px;
  background:#FEF4DF; border:1px solid #F3DFA8;
  border-radius:var(--r-md);
  font-size:.96rem; color:var(--navy);
}

.ty-help{ padding:56px 0; text-align:center; }
.ty-help h3{ font-size:1.1rem; margin-bottom:8px; }
.ty-help p{ color:var(--ink-70); max-width:44ch; margin:0 auto; }
.ty-help a{ color:var(--sky-dark); font-weight:600; text-decoration:underline; }

.ty-back{ text-align:center; padding-bottom:60px; }
.ty-back a{ font-weight:700; color:var(--navy); text-decoration:underline; }

/* ==========================================================================
   MISC
   ========================================================================== */
.divider-tabs{
  display:flex; justify-content:center; gap:6px; margin-bottom:14px;
}
.divider-tabs span{ width:26px; height:5px; border-radius:3px; }
.divider-tabs .t1{ background:var(--sky); }
.divider-tabs .t2{ background:var(--coral); }
.divider-tabs .t3{ background:var(--green); }
.divider-tabs .t4{ background:var(--yellow); }

@media (max-width:760px){
  section{ padding:64px 0; }
  .hero{ padding:44px 0 76px; }
}