/* ═══════════════════════════════════════════════════════════
   sections.css  —  QIM Academy
   Layer 3: Page-specific section layouts
   Depends on: tokens.css, components.css
════════════════════════════════════════════════════════════ */

/* ── HERO ── */
.hero{background:var(--black);color:var(--white);min-height:calc(100vh - var(--header-h));display:flex;flex-direction:column;justify-content:center;padding:36px 0;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 60% 40%,rgba(255,255,255,.04) 0%,rgba(0,0,0,0) 60%);pointer-events:none}
.hero__grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;position:relative;z-index:1}
.hero__eyebrow{display:inline-block;font-size:.72rem;font-weight:400;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.55);margin-bottom:12px}
.hero__title{font-size:clamp(2.4rem,5vw,4.2rem);font-weight:300;line-height:1.08;letter-spacing:-.025em;color:var(--white);margin-bottom:14px}
.hero__title em{font-style:normal;color:rgba(255,255,255,.55)}
.hero__desc{font-size:1.05rem;font-weight:300;color:rgba(255,255,255,.72);line-height:1.8;max-width:420px;margin-bottom:22px}
.hero__buttons{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:22px}
.hero__trust{display:flex;gap:20px;flex-wrap:wrap;padding-top:16px;border-top:1px solid rgba(255,255,255,.12)}
.hero__trust-item{font-size:.82rem;font-weight:300;color:rgba(255,255,255,.75);letter-spacing:.03em}
.hero__right{display:flex;flex-direction:column;gap:12px}

/* Stat grid */
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-md);overflow:hidden}
.stat-cell{background:rgba(255,255,255,.04);padding:28px 20px;text-align:center;transition:background var(--transition)}
.stat-cell:hover{background:rgba(255,255,255,.08)}
.stat-num{font-size:clamp(1.8rem,3.5vw,2.8rem);font-weight:300;color:var(--white);line-height:1;letter-spacing:-.02em;display:block;margin-bottom:4px}
.stat-label{font-size:.76rem;font-weight:400;color:rgba(255,255,255,.7);letter-spacing:.06em;text-transform:uppercase}

/* Countdown */
.countdown-box{border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-md);padding:22px;background:rgba(255,255,255,.03)}
.cd-label{font-size:.76rem;font-weight:400;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.8);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.cd-dot{width:6px;height:6px;border-radius:50%;background:#4ADE80;box-shadow:0 0 0 3px rgba(74,222,128,.2);animation:pulse-dot 2s infinite}
.cd-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.cd-unit{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-sm);padding:12px 8px;text-align:center}
.cd-num{display:block;font-size:1.8rem;font-weight:300;color:var(--white);line-height:1;letter-spacing:-.01em}
.cd-sub{display:block;font-size:.72rem;font-weight:400;color:rgba(255,255,255,.7);letter-spacing:.06em;text-transform:uppercase;margin-top:4px}
.cd-note{font-size:.75rem;font-weight:300;color:rgba(255,255,255,.85);margin-top:12px;text-align:center}

/* ── FREE PREVIEW STRIP ── */
.preview-strip{background:var(--white);border-top:2px solid var(--black);border-bottom:1px solid var(--border);padding:60px 0}
.preview-strip__inner{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  grid-template-areas:
    "event details"
    "cta   details";
  align-items:center;
  column-gap:64px;
  row-gap:26px;
}
.preview-strip__event-col{grid-area:event;min-width:0}
.preview-eyebrow{display:block;font-size:.68rem;font-weight:400;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.preview-strip__heading{font-size:1.95rem;font-weight:400;letter-spacing:-.02em;color:var(--black);margin-bottom:6px;line-height:1.15}
.preview-strip__tagline{font-size:.9rem;font-weight:400;color:var(--black);opacity:.55;margin-bottom:14px;letter-spacing:.01em}
.preview-strip__sub{font-size:.92rem;font-weight:300;color:var(--muted);line-height:1.7;max-width:440px}
.preview-strip__cta-col{grid-area:cta;display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.preview-strip__cta{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 30px;background:var(--black);color:var(--white);border:1.5px solid var(--black);border-radius:var(--radius-pill);font-size:.9rem;font-weight:300;white-space:nowrap;transition:background var(--transition)}
.preview-strip__cta:hover{background:#1A1A1A}
.preview-cta-arrow{font-size:1rem;transition:transform var(--transition)}
.preview-strip__cta:hover .preview-cta-arrow{transform:translateX(3px)}
.preview-cta-group{display:inline-flex;flex-direction:column;align-items:center;gap:10px}
.preview-cta-note{font-size:.72rem;font-weight:300;color:var(--muted);letter-spacing:.04em;text-align:center}
/* details card */
.preview-strip__details-col{grid-area:details;min-width:0}
.preview-details{display:flex;flex-direction:column;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden}
.preview-detail-row{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:16px 24px;border-bottom:1px solid var(--border)}
.preview-detail-row:last-child{border-bottom:none}
.preview-detail-row dt{font-size:.68rem;font-weight:400;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.preview-detail-row dd{font-size:.9rem;font-weight:400;color:var(--black);text-align:right}
@media(max-width:860px){
  .preview-strip{padding:48px 0}
  .preview-strip__inner{grid-template-columns:1fr;grid-template-areas:"event" "details" "cta";gap:32px}
  .preview-strip__heading{font-size:1.7rem}
  .preview-strip__cta-col{align-items:stretch;gap:14px}
  .preview-strip__cta{width:100%}
  .preview-cta-note{text-align:center}
}

/* ── WHO ── */
.who__layout{display:grid;grid-template-columns:280px 1fr;gap:64px;align-items:start}
.who__sidebar{position:sticky;top:calc(var(--header-h) + 16px)}
.who__grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--border);border:1px solid var(--border)}
.who__card{background:var(--white);padding:28px 24px;transition:background var(--transition)}
.who__card:hover{background:var(--bg-surface)}
.who__icon{font-size:1.25rem;margin-bottom:12px}
.who__title{font-size:.95rem;font-weight:400;color:var(--black);margin-bottom:6px}
.who__desc{font-size:.85rem;font-weight:300;color:var(--muted);line-height:1.65}

/* ── COURSES ── */
.courses__header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:48px;gap:32px;flex-wrap:wrap}
.courses__grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--border);border:1px solid var(--border)}
.course-card{background:var(--white);padding:36px 32px;display:flex;flex-direction:column;position:relative;overflow:hidden;border-top:2px solid rgba(0,0,0,.12);transition:border-color var(--transition)}
.course-card:hover{border-top-color:var(--black)}
.course-card+.course-card{border-left:1px solid var(--border)}
.course__track{display:inline-block;font-size:.68rem;font-weight:400;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);background:var(--bg-surface);padding:5px 12px;border-radius:var(--radius-pill);margin-bottom:20px;width:fit-content;border:1px solid var(--border)}
.course__title{font-size:clamp(1.25rem,2.5vw,1.65rem);font-weight:300;letter-spacing:-.02em;color:var(--black);margin-bottom:12px;line-height:1.2}
.course__desc{font-size:.88rem;font-weight:300;color:#4B5563;line-height:1.78;margin-bottom:20px;flex:1}
.course__topics-label{font-size:.72rem;font-weight:400;letter-spacing:.08em;text-transform:uppercase;color:#6B6B6B;margin-bottom:10px}
.course__meta{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px;padding:14px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);margin-bottom:18px;font-size:.82rem;font-weight:300;color:#444}
.course__meta span{display:flex;align-items:center;gap:6px}
.course__meta span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--black);flex-shrink:0}
.course__topics{list-style:none;margin-bottom:32px;display:grid;grid-template-columns:1fr 1fr;gap:4px 12px}
.course__topics li{font-size:.8rem;font-weight:300;color:#595F6B;position:relative;padding-left:14px;line-height:1.5}
.course__topics li::before{content:"•";position:absolute;left:0;color:var(--black)}
.course__footer{display:flex;align-items:center;justify-content:space-between;padding:28px 0 4px;border-top:1px solid var(--border);margin-top:auto}
/* ── Both Tracks banner ── */
.course-card--both{grid-column:1/-1;background:var(--black);border:1px solid rgba(255,255,255,.13);border-left:3px solid #C9A462;padding:40px 44px;cursor:default;position:relative;overflow:hidden;transition:border-color .25s,box-shadow .25s}
.course-card--both::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 85% at 105% 115%,rgba(201,164,98,.08) 0%,transparent 65%);pointer-events:none}
.course-card--both:hover{border-color:rgba(255,255,255,.2);border-left-color:#D4AE6C;box-shadow:0 0 0 1px rgba(201,164,98,.1)}
.course-card--both .course__track{background:rgba(255,255,255,.07);color:rgba(255,255,255,.42);border-color:rgba(255,255,255,.1);margin-bottom:0;font-size:.6rem}
.both__badges{display:flex;align-items:center;gap:10px;margin-bottom:4px}
.both__best-value{display:inline-flex;align-items:center;background:#C9A462;color:#000;font-size:.6rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;padding:3px 10px;border-radius:20px}
.both__inner{display:flex;align-items:center;justify-content:space-between;gap:48px;flex-wrap:wrap;position:relative;z-index:1}
.both__left{display:flex;flex-direction:column;gap:14px;flex:1;min-width:260px}
.both__title{font-size:clamp(1.45rem,2.5vw,1.9rem);font-weight:300;letter-spacing:-.03em;color:var(--white);line-height:1.15}
.both__desc{font-size:.86rem;font-weight:300;color:rgba(255,255,255,.48);line-height:1.8;max-width:460px}
.both__right{display:flex;flex-direction:column;align-items:flex-end;gap:20px;flex-shrink:0}
.both__tracks{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.both__track-pill{font-size:.82rem;font-weight:300;color:rgba(255,255,255,.88);letter-spacing:.02em;border:1px solid rgba(255,255,255,.3);padding:6px 16px;border-radius:20px;background:rgba(255,255,255,.08)}
.both__plus{font-size:1rem;color:rgba(255,255,255,.45)!important;font-weight:300}
.both__price-block{display:flex;flex-direction:column;align-items:flex-end;gap:7px}
.both__price{font-size:2rem;font-weight:300;color:var(--white);letter-spacing:-.04em;line-height:1}
.both__price .unit{font-size:.68rem;color:rgba(255,255,255,.55);vertical-align:middle;margin-left:3px}
.both__savings{display:flex;align-items:center;gap:7px;font-size:.74rem;font-weight:300;color:rgba(255,255,255,.42);letter-spacing:0}
.both__savings-tag{display:inline-block;background:rgba(134,198,94,.11);border:1px solid rgba(134,198,94,.28);color:#86C65E;font-size:.65rem;font-weight:600;letter-spacing:.06em;padding:2px 9px;border-radius:20px;text-transform:uppercase}
.both__enrol{background:var(--white);color:var(--black);border-color:var(--white);font-weight:400;letter-spacing:.01em;transition:background var(--transition),box-shadow var(--transition)}
.both__enrol:hover,.both__enrol:active{background:rgba(255,255,255,.92);color:var(--black);box-shadow:0 4px 24px rgba(255,255,255,.14)}
.course__price{font-size:1.5rem;font-weight:300;color:var(--black);letter-spacing:-.02em}
.course__price .unit{font-size:.75rem;color:var(--muted);vertical-align:middle}
.course__cohort-note{font-size:.7rem;font-weight:400;color:var(--muted);letter-spacing:.04em;text-transform:uppercase;margin-top:5px}
.both__cohort-note{font-size:.7rem;font-weight:400;color:rgba(255,255,255,.45);letter-spacing:.04em;text-transform:uppercase;margin-top:6px}
.stat-cohort{display:block;font-size:.62rem;font-weight:400;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;margin-top:4px}
.reg__cohort-note{font-size:.72rem;font-weight:400;color:var(--muted);letter-spacing:.04em;text-transform:uppercase;margin-top:4px;display:inline-block}

/* ── CURRICULUM ── */
.curriculum__layout{display:grid;grid-template-columns:260px 1fr;gap:64px;align-items:start}
.curriculum__sidebar{position:sticky;top:calc(var(--header-h) + 16px)}
.curriculum__grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--border);border:1px solid var(--border)}
.curr-block{background:var(--white);padding:28px 24px;transition:background var(--transition)}
.curr-block:hover{background:var(--bg-surface)}
.curr-block+.curr-block{border-left:1px solid var(--border)}
.curr-block:nth-child(n+3){border-top:1px solid var(--border);border-left:none}
.curr-block:nth-child(4){border-left:1px solid var(--border)}
.curr-num{font-size:.68rem;font-weight:400;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:10px;display:block}
.curr-title{font-size:.92rem;font-weight:400;color:var(--black);margin-bottom:14px}
/* ── Flat items ── */
.curr-list{display:flex;flex-direction:column}
.curr-item{font-size:.82rem;font-weight:400;color:var(--black);padding:6px 0;border-bottom:1px solid var(--bg-surface);display:flex;align-items:baseline;gap:8px;line-height:1.45}
.curr-item:last-child{border-bottom:none}
.curr-item::before{content:"–";color:var(--muted);font-weight:400;flex-shrink:0}
/* ── Accordion rows ── */
.curr-accordion{border-bottom:1px solid var(--bg-surface)}
.curr-accordion:last-child{border-bottom:none}
.curr-accordion summary{font-size:.82rem;font-weight:400;color:var(--black);padding:8px 6px;margin:0 -6px;border-radius:var(--radius-sm);display:flex;align-items:center;gap:8px;cursor:pointer;list-style:none;user-select:none;transition:background var(--transition)}
.curr-accordion summary::-webkit-details-marker{display:none}
.curr-accordion summary::before{content:"›";color:var(--black);font-weight:600;flex-shrink:0;transition:transform var(--transition);display:inline-block}
.curr-accordion[open]>summary::before{transform:rotate(90deg)}
.curr-accordion summary:hover{background:var(--border)}
/* ── Sub-items ── */
.curr-subgroup{padding:4px 0 10px 20px;display:flex;flex-direction:column;gap:1px}
.curr-sub{font-size:.78rem;font-weight:400;color:var(--black);padding:4px 0;display:flex;align-items:baseline;gap:8px;line-height:1.5}
.curr-sub::before{content:"·";color:var(--black);flex-shrink:0}
/* ── Track tabs ── */
.curr-tabs{display:flex;flex-direction:column;gap:0;margin-top:32px;border-left:1px solid var(--border)}
.curr-tab{width:100%;display:block;text-align:left;padding:14px 20px;font-family:"IBM Plex Sans JP",sans-serif;font-size:.8rem;font-weight:400;letter-spacing:.01em;line-height:1.4;border:none;border-left:2px solid transparent;margin-left:-1px;border-radius:0;background:transparent;color:var(--muted);cursor:pointer;transition:all var(--transition)}
.curr-tab.is-active{border-left-color:var(--black);color:var(--black);font-weight:500;background:transparent}
.curr-tab:hover:not(.is-active){color:var(--black);border-left-color:var(--border-dark)}
/* ── Grid wrap ── */
.curr-grid-wrap{min-width:0}
.curriculum__grid[hidden]{display:none}
/* ── Addendum note ── */
.curr-note{font-size:.75rem;font-weight:300;color:var(--muted);line-height:1.65;margin-top:16px;padding-top:14px;border-top:1px solid var(--bg-surface);font-style:italic}

/* ── INSTRUCTORS ── */
.instructors__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1px;background:var(--border);border:1px solid var(--border)}
.instructor-card{background:var(--white);padding:32px 28px;transition:background var(--transition)}
.instructor-card:hover{background:var(--bg-surface)}
.instructor__initials{flex:none;width:120px;height:120px;border-radius:50%;border:1px solid var(--border);background:var(--bg-surface);display:flex;align-items:center;justify-content:center;font-size:.9rem;font-weight:400;color:var(--black);margin-bottom:16px;overflow:hidden}
.instructor__photo{width:100%;height:100%;max-width:100%;object-fit:cover;object-position:center top;border-radius:50%;display:block}
.instructor__name{font-size:1.05rem;font-weight:400;color:var(--black);margin-bottom:3px}
.instructor__role{font-size:.75rem;font-weight:400;letter-spacing:.06em;color:var(--muted);text-transform:uppercase;margin-bottom:2px}
.instructor__org{font-size:.78rem;font-weight:300;color:var(--muted);margin-bottom:14px}
.instructor__bio{font-size:.83rem;font-weight:300;color:var(--muted);line-height:1.65}

/* ── HACKATHON ── */
.hack__layout{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:start}
.hack-highlight{display:inline-block;background:var(--black);color:var(--white);padding:4px 14px;border-radius:6px;line-height:1.25;vertical-align:middle;position:relative;top:-3px}
.hack__top{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start;margin-bottom:48px}
.hack__facts{margin-top:32px;border-top:1px solid var(--border)}
.hack__fact-item{display:flex;flex-direction:column;gap:3px;padding:14px 0;border-bottom:1px solid var(--border)}
.hack__fact-label{font-size:.68rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:#6B6B6B}
.hack__fact-value{font-size:.9rem;font-weight:300;color:var(--black);line-height:1.55}
.hack__cards{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;margin-top:32px}
.hack__card{background:var(--white);padding:24px 28px;display:flex;flex-direction:column;gap:6px;transition:background var(--transition)}
.hack__card:hover{background:#FAFAFA}
.hack__card--full{grid-column:1/-1;border-top:1px solid var(--border)}
.hack__card-num{font-size:.65rem;font-weight:400;letter-spacing:.12em;color:#6B6B6B;margin-bottom:2px}
.hack__card-title{font-size:.92rem;font-weight:500;color:var(--black);letter-spacing:-.01em;margin-bottom:4px}
.hack__card-desc{font-size:.82rem;font-weight:300;color:#595F6B;line-height:1.68}
/* Prize box */
.hack__prize-wrap{position:static;width:100%}
.hack__prize-box{background:var(--black);color:var(--white);border-radius:var(--radius-md);overflow:hidden;border:1px solid rgba(201,164,98,.3);box-shadow:0 24px 64px rgba(0,0,0,.22),0 0 0 1px rgba(201,164,98,.08),inset 0 0 60px rgba(201,164,98,.04);display:grid;grid-template-columns:3px 1fr}
.hack__prize-accent-bar{background:linear-gradient(180deg,#C9A462 0%,#E8C97A 50%,#C9A462 100%)}
.hack__prize-content{padding:40px 44px}
.hack__prize-eyebrow{display:block;font-size:.65rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:#C9A462;margin-bottom:18px}
.hack__prize-heading{font-size:clamp(1.35rem,2.4vw,1.9rem);font-weight:300;letter-spacing:-.02em;line-height:1.2;color:#fff;margin-bottom:18px}
.hack__prize-desc{font-size:.88rem;font-weight:300;color:rgba(255,255,255,.75);line-height:1.8;margin-bottom:30px}
.hack__prize-tags{display:flex;flex-wrap:wrap;gap:10px;padding-top:22px;border-top:1px solid rgba(201,164,98,.2)}
.hack__prize-tags span{font-size:.64rem;font-weight:400;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.75);border:1px solid rgba(201,164,98,.25);border-radius:var(--radius-pill);padding:6px 16px}

/* ── INSTRUCTORS (dark section overrides) ── */
.section-dark .instructors__grid{background:var(--border-dark);border-color:var(--border-dark)}
.section-dark .instructor-card{background:#111111}
.section-dark .instructor-card:hover{background:#181818}
.section-dark .instructor__initials{border-color:var(--border-dark);background:#1A1A1A;color:var(--white)}
.section-dark .instructor__name{color:var(--white)}
.section-dark .instructor__role{color:rgba(255,255,255,.6)}
.section-dark .instructor__org{color:rgba(255,255,255,.35)}
.section-dark .instructor__bio{color:rgba(255,255,255,.55)}

/* ── TESTIMONIALS ── */
.testimonials__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1px;background:var(--border-dark);border:1px solid var(--border-dark);margin-top:48px}
.testimonial-card{background:var(--bg-dark);padding:32px 28px;display:flex;flex-direction:column;transition:background var(--transition)}
.testimonial-card:hover{background:#111}
.testimonial__stars{color:rgba(255,255,255,.7);font-size:.8rem;letter-spacing:3px;margin-bottom:16px}
.testimonial__text{font-size:1rem;font-weight:300;color:rgba(255,255,255,.85);line-height:1.75;flex:1;margin-bottom:20px}
.testimonial__author{display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px solid rgba(255,255,255,.1)}
.testimonial__avatar{width:32px;height:32px;border-radius:50%;border:1px solid rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:400;color:rgba(255,255,255,.7);flex-shrink:0}
.testimonial__name{font-size:.83rem;font-weight:400;color:var(--white)}
.testimonial__desc{font-size:.72rem;font-weight:300;color:rgba(255,255,255,.4)}

/* ── REGISTRATION ── */
.reg__layout{display:grid;grid-template-columns:1fr 1.1fr;gap:80px;align-items:start}
.reg__info{position:sticky;top:calc(var(--header-h) + 16px)}
.reg__details{margin-top:28px;display:flex;flex-direction:column;gap:0;border-top:1px solid var(--border)}
.reg__detail-item{display:flex;align-items:flex-start;gap:16px;padding:16px 0;border-bottom:1px solid var(--border);font-size:.85rem;font-weight:300;color:var(--muted)}
.reg__detail-item strong{display:block;font-weight:400;color:var(--black);margin-bottom:2px}
.reg__time-note{font-size:.78rem;color:#666;margin-top:3px;display:block}
.reg__detail-icon{font-size:1rem;width:20px;flex-shrink:0;margin-top:2px}
.social-proof-bar{margin-top:28px;padding:20px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-surface)}
.sp-label{font-size:.68rem;font-weight:400;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.sp-row{display:flex;align-items:center;gap:10px}
.sp-stack{display:flex}
.sp-avatar{width:26px;height:26px;border-radius:50%;background:var(--black);border:2px solid var(--bg-surface);display:flex;align-items:center;justify-content:center;font-size:.58rem;font-weight:400;color:var(--white);margin-left:-7px}
.sp-avatar:first-child{margin-left:0}
.sp-text{font-size:.8rem;font-weight:300;color:var(--muted)}
.sp-text strong{font-weight:400;color:var(--black)}

/* ── FAQ ── */
.faq__layout{display:grid;grid-template-columns:280px 1fr;gap:64px;align-items:start}
.faq__sidebar{position:sticky;top:calc(var(--header-h) + 16px)}
.faq-list{border-top:1px solid var(--border)}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:20px 0;font-size:.92rem;font-weight:300;color:var(--black);transition:color var(--transition);user-select:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;min-width:28px;border:1px solid var(--border);border-radius:50%;font-size:1.1rem;font-weight:300;color:var(--muted);flex-shrink:0;transition:border-color var(--transition),color var(--transition)}
.faq-item[open] summary::after{content:"−";border-color:var(--black);color:var(--black)}
.faq-item summary:hover{color:var(--black)}
.faq-item summary:hover::after{border-color:var(--black)}
.faq-item p{margin:0 48px 18px 0;color:var(--muted);font-size:.85rem;font-weight:300;line-height:1.75}

/* ── FOOTER ── */
.footer{background:#0A0A0A;color:var(--white)}

/* CTA strip */
.footer__cta-strip{border-bottom:1px solid rgba(255,255,255,.08);padding:52px 0}
.footer__cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.footer__cta-label{font-size:.68rem;font-weight:400;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.6);margin-bottom:8px}
.footer__cta-heading{font-size:clamp(1.4rem,2.8vw,2.2rem);font-weight:300;letter-spacing:-.02em;color:var(--white);line-height:1.15}
.footer__cta-btn{display:inline-flex;align-items:center;padding:14px 32px;border:1.5px solid rgba(255,255,255,.85);border-radius:var(--radius-pill);color:var(--white);font-size:.9rem;font-weight:300;white-space:nowrap;transition:background var(--transition),border-color var(--transition);flex-shrink:0}
.footer__cta-btn:hover{background:rgba(255,255,255,.08);border-color:var(--white)}

/* Main grid */
.footer__main{padding:64px 0 56px}
.footer__grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:40px}
.footer__brand-lockup{display:flex;align-items:center;gap:16px;margin-bottom:24px;padding-bottom:24px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer__logo{height:38px;width:auto;object-fit:contain;display:block;flex-shrink:0}
.footer__brand-lockup-text{display:flex;flex-direction:column;gap:2px}
.footer__brand-name{font-size:1.5rem;font-weight:300;letter-spacing:-.01em;color:var(--white);line-height:1}
.footer__brand-by{font-size:.78rem;font-weight:300;letter-spacing:.01em;color:rgba(255,255,255,.55);line-height:1;margin-top:2px}
.footer__brand-desc{font-size:.84rem;font-weight:300;line-height:1.75;color:rgba(255,255,255,.75);max-width:280px;margin-bottom:22px}
.footer__email-link{display:inline-flex;align-items:center;gap:6px;font-size:.82rem;font-weight:300;color:rgba(255,255,255,.85);border-bottom:1px solid rgba(255,255,255,.35);padding-bottom:3px;transition:color var(--transition),border-color var(--transition)}
.footer__email-link:hover{color:var(--white);border-color:var(--white)}
.footer__email-arrow{font-size:.75rem;opacity:.8}
.footer__col{font-style:normal}
.footer__col-heading{font-size:.62rem;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.7);margin-bottom:18px}
.footer__col a{display:block;font-size:.84rem;font-weight:300;color:rgba(255,255,255,.85);padding:5px 0;transition:color var(--transition)}
.footer__col a:hover{color:var(--white)}

/* Bottom bar */
.footer__bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0}
.footer__bottom-inner{display:flex;justify-content:space-between;align-items:center;gap:12px}
.footer__bottom small{font-size:.75rem;font-weight:300;color:rgba(255,255,255,.85);letter-spacing:.02em}
.footer__legal{display:flex;align-items:center;gap:16px}
.footer__legal a{font-size:.75rem;font-weight:300;color:var(--white);letter-spacing:.02em;transition:opacity var(--transition)}
.footer__legal a:hover{opacity:.7}
.footer__legal-dot{color:rgba(255,255,255,.5);font-size:.6rem}
.social-row{display:flex;gap:20px}
.social-row a{font-size:.75rem;font-weight:300;color:rgba(255,255,255,.9);transition:color var(--transition)}
.social-row a:hover{color:var(--white)}

/* ── RESPONSIVE ── */
@media(max-width:960px){
  /* layouts */
  .hero__grid,.who__layout,.curriculum__layout,.faq__layout,.reg__layout,.hack__layout{grid-template-columns:1fr;gap:32px}
  .courses__grid,.curriculum__grid,.who__grid{grid-template-columns:1fr}
  /* sidebars: unpin and reorder so sidebar content comes after main content on mobile */
  .who__sidebar,.curriculum__sidebar,.faq__sidebar,.reg__info{position:static}
  .hack__top{grid-template-columns:1fr;gap:32px}
  .reg__info{order:2}
  /* hero */
  .hero{padding:48px 0 52px}
  .hero__right{order:2}
  .hero__buttons{flex-direction:column;align-items:flex-start}
  /* nav */
  .nav__links{display:none}
  /* courses */
  .course__topics{grid-template-columns:1fr}
  .course-card{padding:28px 22px}
  /* curriculum */
  .curr-tabs{margin-top:20px}
  /* both tracks */
  .course-card--both{padding:32px 24px}
  .both__inner{flex-direction:column;align-items:flex-start;gap:28px}
  .both__right{align-items:flex-start;width:100%}
  .both__tracks{justify-content:flex-start}
  .both__price-block{align-items:flex-start}
  /* hackathon */
  .hack__prize-wrap{order:2}
  /* footer */
  .footer__cta-inner{flex-direction:column;align-items:flex-start}
  .footer__grid{grid-template-columns:1fr 1fr;gap:24px}
  .footer__brand{grid-column:1/-1}
  .footer__bottom-inner{flex-direction:column;align-items:flex-start;gap:10px}
}

@media(max-width:768px){
  .stat-grid{grid-template-columns:1fr 1fr}
  .instructors__grid{grid-template-columns:1fr 1fr}
}

@media(max-width:540px){
  /* forms */
  .form-row{grid-template-columns:1fr}
  /* footer */
  .footer__grid{grid-template-columns:1fr}
  /* grids */
  .testimonials__grid,.instructors__grid{grid-template-columns:1fr}
  /* countdown — wrap to 2×2 on very small screens */
  .cd-grid{grid-template-columns:1fr 1fr}
  /* hero trust badges stack */
  .hero__trust{flex-direction:column;gap:10px}
  /* hackathon list labels */
  .hack__cards{grid-template-columns:1fr}
  .hack__card--full{grid-column:1}
  /* faq answer text margin */
  .faq-item p{margin-right:0}
}