*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  /* UNFPA Primary palette */
  --navy:#131619;--navy-mid:#1c2330;--navy-light:#253045;
  /* UNFPA Blue accent */
  --blue:#2171EC;--blue-dark:#184EA5;--blue-light:#649BF2;--blue-pale:#BDD4F9;
  /* UNFPA Orange (primary) */
  --orange:#F96000;--orange-light:#FB904D;--orange-dark:#AE4300;
  /* UNFPA Neutrals */
  --white:#FFFFFF;--gray-50:#EFF1F7;--gray-100:#D9DBE1;--gray-200:#c2c5cb;
  --gray-400:#686A6C;--gray-600:#3d4145;--gray-800:#131619;
  /* Remapped legacy vars — keep names so existing HTML inline styles resolve correctly */
  --teal:#649BF2;   /* Pastel Blue */
  --coral:#F96000;  /* UNFPA Orange */
  --purple:#184EA5; /* UNFPA Dark Blue */
  --font-main:'Plus Jakarta Sans',system-ui,sans-serif;
  --font-mono:'JetBrains Mono',monospace;
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-main);color:var(--gray-800);background:var(--white);line-height:1.65;overflow-x:hidden}

/* ── NAV ── */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:0 2rem;height:64px;display:flex;align-items:center;justify-content:space-between;background:var(--orange);border-bottom:1px solid var(--orange-dark);transition:all .3s}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.nav-logo span{color:var(--white);font-weight:700;font-size:.95rem;letter-spacing:.5px}
.nav-logo .accent{color:var(--white);opacity:.75}
.nav-logo-img{height:36px;width:auto;display:block;flex-shrink:0}
.nav-logo-divider{width:1px;height:28px;background:rgba(255,255,255,0.35);flex-shrink:0}
.nav-links{display:flex;gap:2rem;align-items:center}
.nav-links a{color:rgba(255,255,255,0.88);text-decoration:none;font-size:.82rem;font-weight:500;letter-spacing:.3px;transition:color .2s}
.nav-links a:hover{color:var(--white)}
.nav-cta{background:var(--white);color:var(--orange)!important;padding:8px 20px;border-radius:6px;font-weight:700;font-size:.8rem!important;letter-spacing:.5px;transition:transform .2s,box-shadow .2s}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(0,0,0,0.15);background:var(--gray-50)}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px}
.hamburger span{width:22px;height:2px;background:var(--white);border-radius:2px;transition:all .3s}

/* ── HERO ── */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;background:linear-gradient(135deg,var(--navy) 0%,var(--navy-mid) 40%,var(--navy-light) 100%);overflow:hidden;padding:80px 2rem 4rem}
.hero-grid{position:absolute;inset:0;opacity:.04;background-image:
  linear-gradient(rgba(100,155,242,1) 1px,transparent 1px),
  linear-gradient(90deg,rgba(100,155,242,1) 1px,transparent 1px);
  background-size:80px 80px}
.hero-glow{position:absolute;width:600px;height:600px;border-radius:50%;filter:blur(120px);opacity:.12}
.hero-glow-1{background:var(--blue);top:-200px;right:-100px}
.hero-glow-2{background:var(--orange);bottom:-200px;left:-100px;opacity:.08}
.hero-particles{position:absolute;inset:0;overflow:hidden}
.particle{position:absolute;width:3px;height:3px;background:var(--blue-light);border-radius:50%;opacity:0;animation:float 8s ease-in-out infinite}
@keyframes float{0%{opacity:0;transform:translateY(100vh)}20%{opacity:.4}80%{opacity:.4}100%{opacity:0;transform:translateY(-100px)}}
.hero-content{position:relative;max-width:1200px;margin:0 auto;width:100%}
.hero h1{color:var(--white);font-size:clamp(2.4rem,5.5vw,4.2rem);font-weight:800;line-height:1.08;margin-bottom:1rem;max-width:800px}
.hero h1 .highlight{color:var(--orange);display:inline}
.hero-sub{color:var(--blue-pale);font-size:clamp(1rem,1.8vw,1.2rem);font-weight:400;max-width:640px;margin-bottom:2.5rem;line-height:1.6}
.hero-stats{display:flex;gap:3rem;margin-bottom:2.5rem;flex-wrap:wrap}
.hero-stat{text-align:left}
.hero-stat-num{color:var(--orange);font-size:2.2rem;font-weight:800;font-family:var(--font-mono);line-height:1}
.hero-stat-label{color:var(--gray-200);font-size:.72rem;font-weight:500;letter-spacing:1px;text-transform:uppercase;margin-top:4px}
.hero-launch-tag{display:inline-block;color:rgba(255,255,255,0.6);font-size:.78rem;font-weight:500;letter-spacing:.3px;margin-bottom:1.75rem;border-left:2px solid var(--orange);padding-left:.75rem}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:8px;font-family:var(--font-main);font-size:.9rem;font-weight:700;text-decoration:none;cursor:pointer;border:none;transition:all .25s}
.btn-primary{background:var(--orange);color:var(--navy);box-shadow:0 4px 20px rgba(249,96,0,0.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(249,96,0,0.45)}
.btn-outline{background:transparent;color:var(--white);border:1.5px solid rgba(255,255,255,0.2)}
.btn-outline:hover{border-color:var(--blue-light);color:var(--blue-light)}
.hero-partners{position:absolute;bottom:2.5rem;left:0;right:0;display:flex;justify-content:center;gap:2.5rem;flex-wrap:wrap;padding:0 2rem}
.hero-partner{color:rgba(255,255,255,0.3);font-size:.72rem;font-weight:600;letter-spacing:1.5px;text-transform:uppercase}
.hero-date-strip{position:absolute;top:80px;right:2rem;writing-mode:vertical-rl;text-orientation:mixed;color:rgba(255,255,255,0.15);font-size:.7rem;font-weight:600;letter-spacing:3px;text-transform:uppercase}

/* ── SECTIONS ── */
section{padding:6rem 2rem}
.section-inner{max-width:1100px;margin:0 auto}
.section-label{display:inline-block;color:var(--orange);font-size:.7rem;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:.75rem}
.section-title{font-size:clamp(1.8rem,3.5vw,2.6rem);font-weight:800;color:var(--gray-800);line-height:1.15;margin-bottom:1rem}
.section-desc{color:var(--gray-400);font-size:1.05rem;max-width:640px;margin-bottom:3rem;line-height:1.7}

/* ── PROBLEM ── */
.problem{background:var(--gray-50)}
.problem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:2rem}
.problem-card{background:var(--white);border-radius:12px;padding:2rem;border:1px solid var(--gray-100);transition:all .3s;position:relative;overflow:hidden}
.problem-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,0.06)}
.problem-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px}
.problem-card:nth-child(1)::before{background:var(--orange)}
.problem-card:nth-child(2)::before{background:var(--purple)}
.problem-card:nth-child(3)::before{background:var(--blue)}
.problem-num{font-family:var(--font-mono);font-size:.7rem;color:var(--gray-400);font-weight:500;margin-bottom:.75rem}
.problem-card h3{font-size:1.15rem;font-weight:700;margin-bottom:.75rem;color:var(--gray-800)}
.problem-card p{color:var(--gray-400);font-size:.9rem;line-height:1.65}

/* ── CONCEPT ── */
.concept-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem;margin-top:2.5rem}
.concept-step{text-align:center;position:relative;padding:2rem 1rem}
.concept-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin:0 auto 1rem;font-size:1.4rem}
.concept-step:nth-child(1) .concept-icon{background:rgba(249,96,0,0.1);color:var(--orange)}
.concept-step:nth-child(2) .concept-icon{background:rgba(33,113,236,0.1);color:var(--blue)}
.concept-step:nth-child(3) .concept-icon{background:rgba(100,155,242,0.1);color:var(--teal)}
.concept-step:nth-child(4) .concept-icon{background:rgba(174,67,0,0.1);color:var(--orange-dark)}
.concept-step h4{font-size:.95rem;font-weight:700;margin-bottom:.5rem;color:var(--gray-800)}
.concept-step p{font-size:.82rem;color:var(--gray-400);line-height:1.55}
.concept-arrow{position:absolute;right:-1rem;top:50%;transform:translateY(-50%);color:var(--gray-200);font-size:1.2rem}

/* ── TRACKS ── */
.tracks-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.track-card{border-radius:16px;overflow:hidden;background:var(--white);border:1px solid var(--gray-100);transition:all .4s;position:relative}
.track-card:hover{transform:translateY(-6px);box-shadow:0 20px 60px rgba(0,0,0,0.08)}
.track-header{padding:2rem 1.75rem 1.5rem;position:relative}
.track-card:nth-child(1) .track-header{background:linear-gradient(135deg,#131619,#184EA5)}
.track-card:nth-child(2) .track-header{background:linear-gradient(135deg,#131619,#AE4300)}
.track-card:nth-child(3) .track-header{background:linear-gradient(135deg,#131619,#253045)}
.track-num{font-family:var(--font-mono);font-size:.65rem;color:rgba(255,255,255,0.4);font-weight:500;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:.5rem}
.track-card .track-header h3{color:var(--white);font-size:1.25rem;font-weight:700;line-height:1.25;margin-bottom:.5rem}
.track-lead{color:rgba(255,255,255,0.5);font-size:.75rem;font-weight:500}
.track-body{padding:1.5rem 1.75rem}
.track-quote{font-style:italic;color:var(--gray-400);font-size:.82rem;line-height:1.55;margin-bottom:1.25rem;padding-left:1rem;border-left:2px solid var(--gray-100)}
.track-builds{list-style:none;display:flex;flex-direction:column;gap:.6rem;margin-bottom:1.5rem}
.track-builds li{display:flex;align-items:flex-start;gap:.6rem;font-size:.82rem;color:var(--gray-600);line-height:1.5}
.track-builds li::before{content:'→';color:var(--orange);font-weight:700;flex-shrink:0;margin-top:1px}
.track-deliverable{background:var(--gray-50);border-radius:8px;padding:.85rem 1rem;font-size:.78rem;color:var(--gray-400);line-height:1.5}
.track-deliverable strong{color:var(--gray-600);font-weight:600}

/* ── PARTNERS ── */
.partners-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
.partner-card{padding:2rem;border-radius:12px;background:var(--gray-50);border:1px solid var(--gray-100);transition:all .3s;text-align:center}
.partner-card:hover{background:var(--white);box-shadow:0 8px 30px rgba(0,0,0,0.05)}
.partner-logo-wrap{height:72px;display:flex;align-items:center;justify-content:center;margin-bottom:1rem}
.partner-logo-wrap img{max-height:64px;max-width:150px;width:auto;height:auto;object-fit:contain}
.partner-logo-unfpa{background:var(--orange);border-radius:8px;padding:8px 16px}
.partner-logo-unfpa img{max-height:44px;filter:brightness(0) invert(1)}
.partner-card h4{font-size:1rem;font-weight:700;margin-bottom:.25rem;color:var(--gray-800)}
.partner-card .partner-role{font-size:.72rem;font-weight:600;color:var(--orange);letter-spacing:.5px;margin-bottom:.75rem}
.partner-card p{font-size:.82rem;color:var(--gray-400);line-height:1.55}
.partner-card .partner-link{display:inline-flex;align-items:center;gap:6px;margin-top:1rem;padding:7px 16px;border-radius:6px;font-size:.75rem;font-weight:700;text-decoration:none;color:var(--navy);background:transparent;border:1.5px solid var(--orange);transition:all .2s;letter-spacing:.3px}
.partner-card .partner-link:hover{background:var(--orange);color:var(--white)}
.partner-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:.4rem;margin-bottom:1rem}
.partner-tag{font-size:.65rem;font-weight:700;letter-spacing:.4px;text-transform:uppercase;padding:3px 9px;border-radius:20px;background:rgba(0,98,168,0.07);color:var(--blue-light);border:1px solid rgba(0,98,168,0.18)}

/* ── MENTORS ── */
.mentors-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;margin:0 auto}
.mentor-card{text-align:center;padding:1.5rem 1rem}
.mentor-photo{width:110px;height:110px;border-radius:50%;object-fit:cover;object-position:top;display:block;margin:0 auto 1rem;border:3px solid var(--gray-100)}
.mentor-photo--blank{display:flex;align-items:center;justify-content:center;background:var(--gray-100);color:var(--gray-400);font-size:1.3rem;font-weight:700;letter-spacing:1px;border:3px solid var(--gray-100)}
.mentor-card h4{font-size:.95rem;font-weight:700;color:var(--gray-800);margin-bottom:.25rem}
.mentor-card .mentor-title{font-size:.78rem;color:var(--gray-400);line-height:1.45}
.mentor-card .mentor-institution{font-size:.72rem;color:var(--orange);font-weight:600;margin-top:.3rem;letter-spacing:.2px}

/* ── RESOURCES ── */
.resources{background:var(--white)}
.resource-block{background:var(--gray-50);border-radius:16px;padding:2rem;border:1px solid var(--gray-100);margin-bottom:2rem}
.resource-block:last-child{margin-bottom:0}
.resource-block-header{display:flex;align-items:flex-start;gap:1.25rem;margin-bottom:1.5rem;flex-wrap:wrap}
.resource-block-icon{width:52px;height:52px;border-radius:12px;background:rgba(249,96,0,0.08);color:var(--orange);font-size:1.4rem;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.resource-block-meta{flex:1;min-width:200px}
.resource-block-meta h3{font-size:1.15rem;font-weight:700;color:var(--gray-800);margin-bottom:.35rem}
.resource-block-meta p{font-size:.85rem;color:var(--gray-400);line-height:1.55;margin:0}
.resource-action-btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:8px;font-size:.78rem;font-weight:700;text-decoration:none;color:var(--navy);border:1.5px solid var(--orange);transition:all .2s;white-space:nowrap;align-self:flex-start;flex-shrink:0}
.resource-action-btn:hover{background:var(--orange);color:var(--white)}
.pdf-embed-wrap{border-radius:10px;overflow:hidden;border:1px solid var(--gray-100);background:var(--white)}
.pdf-embed{display:block;width:100%;height:620px;border:0}
.pdf-open-link{display:inline-flex;align-items:center;gap:4px;margin-top:.75rem;font-size:.8rem;color:var(--blue);font-weight:600;text-decoration:none;letter-spacing:.2px}
.pdf-open-link:hover{text-decoration:underline}
.videos-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}
.video-card{border-radius:12px;overflow:hidden;border:1px solid var(--gray-100);background:var(--white)}
.video-wrap video{width:100%;display:block;background:#000;aspect-ratio:16/9;object-fit:contain}
.video-info{padding:1.25rem}
.video-partner-tag{display:inline-block;font-size:.65rem;font-weight:700;letter-spacing:.8px;text-transform:uppercase;color:var(--orange);border:1px solid rgba(249,96,0,0.25);border-radius:20px;padding:2px 10px;margin-bottom:.6rem}
.video-info h4{font-size:.95rem;font-weight:700;color:var(--gray-800);margin-bottom:.4rem}
.video-info p{font-size:.82rem;color:var(--gray-400);line-height:1.55;margin-bottom:1rem}
.resource-dl-link{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:6px;font-size:.75rem;font-weight:700;text-decoration:none;color:var(--navy);border:1.5px solid var(--orange);transition:all .2s}
.resource-dl-link:hover{background:var(--orange);color:var(--white)}

/* ── SPRINT ── */
.sprint{background:var(--gray-50)}
.sprint-phases{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
.sprint-phase{padding:1.75rem;border-radius:12px;background:var(--white);border:1px solid var(--gray-100);position:relative}
.sprint-phase-num{font-family:var(--font-mono);font-size:.65rem;color:var(--orange);font-weight:500;letter-spacing:1px;margin-bottom:.5rem}
.sprint-phase h4{color:var(--gray-800);font-size:1rem;font-weight:700;margin-bottom:.75rem}
.sprint-phase ul{list-style:none;display:flex;flex-direction:column;gap:.4rem}
.sprint-phase li{color:var(--gray-600);font-size:.8rem;line-height:1.5;padding-left:1rem;position:relative}
.sprint-phase li::before{content:'·';position:absolute;left:0;color:var(--orange);font-weight:700}

/* ── GANTT ── */
.gantt-wrap{margin-top:3rem}
.gantt-eyebrow{font-size:.68rem;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--gray-400);margin-bottom:1rem}
.gantt-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:12px}
.gantt-chart{min-width:580px;background:var(--white);border:1px solid var(--gray-100);border-radius:12px;overflow:hidden}
.gantt-hrow{display:flex;border-bottom:1px solid var(--gray-100);background:var(--gray-50)}
.gantt-lcol{width:180px;flex-shrink:0;border-right:1px solid var(--gray-100)}
.gantt-rcol{flex:1;min-width:0}
.gantt-hrow .gantt-lcol{padding:.55rem 1rem;font-size:.62rem;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--gray-400);display:flex;align-items:center}
.gantt-months-row{display:flex}
.gantt-months-row span{display:flex;align-items:center;justify-content:center;padding:.55rem .4rem;font-size:.66rem;font-weight:700;color:var(--gray-400);border-right:1px dashed var(--gray-100)}
.gantt-months-row span:last-child{border-right:none}
.gantt-body{position:relative}
.gantt-vlines{position:absolute;inset:0;pointer-events:none;z-index:0}
.gantt-vlines>div{position:absolute;top:0;bottom:0;width:1px;background:var(--gray-100)}
.gantt-today{position:absolute;top:0;bottom:0;z-index:3;pointer-events:none;display:none}
.gantt-today-line{position:absolute;inset:0 auto 0 0;width:2px;background:var(--orange);opacity:.75}
.gantt-today-chip{position:absolute;top:6px;left:50%;transform:translateX(-50%);background:var(--orange);color:var(--white);font-size:.58rem;font-weight:700;padding:2px 6px;border-radius:3px;white-space:nowrap;letter-spacing:.3px;display:block}
.gantt-row{display:flex;border-bottom:1px solid var(--gray-100)}
.gantt-row:last-child{border-bottom:none}
.gantt-rlabel{display:flex;align-items:center;gap:.6rem;padding:.8rem 1rem}
.gtag{width:26px;height:26px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:.62rem;font-weight:800;flex-shrink:0;font-family:var(--font-mono)}
.gtag-launch{background:rgba(249,96,0,.1);color:var(--orange);font-size:.88rem}
.gtag-build{background:rgba(33,113,236,.1);color:var(--blue)}
.gtag-validate{background:rgba(100,155,242,.12);color:var(--teal)}
.gtag-pilot{background:rgba(24,78,165,.1);color:var(--purple)}
.gtag-operate{background:rgba(174,67,0,.1);color:var(--orange-dark)}
.growname{font-size:.82rem;font-weight:700;color:var(--gray-800)}
.growdate{font-size:.62rem;color:var(--gray-400);font-family:var(--font-mono);margin-top:1px}
.gantt-rbars{position:relative;min-height:52px;display:flex;align-items:center}
.gbar{position:absolute;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center}
.gbar span{font-size:.6rem;font-weight:700;color:rgba(255,255,255,.92);white-space:nowrap;padding:0 6px}
.gbar-launch{background:linear-gradient(90deg,var(--orange),var(--orange-light))}
.gbar-build{background:linear-gradient(90deg,var(--blue-dark),var(--blue))}
.gbar-validate{background:linear-gradient(90deg,var(--blue),var(--teal))}
.gbar-pilot{background:linear-gradient(90deg,var(--purple),var(--blue))}
.gbar-operate{background:linear-gradient(90deg,var(--orange-dark),var(--orange))}
.gbar-winners{background:linear-gradient(90deg,#b36200,var(--orange));box-shadow:0 0 10px rgba(249,96,0,.22)}
/* capacity building: 3 tick dividers = 4 equal weekly segments */
.gbar-sessions{overflow:hidden}
.gsess-tick{position:absolute;top:5px;bottom:5px;width:1px;background:rgba(255,255,255,.3);pointer-events:none}
.gsess-tick:nth-child(1){left:25%}
.gsess-tick:nth-child(2){left:50%}
.gsess-tick:nth-child(3){left:75%}
/* narrow milestone bars — no text needed */
.gbar-slim{min-width:0}
/* winners tag */
.gtag-winners{background:rgba(249,96,0,.1);color:var(--orange);font-size:.9rem}

/* ── REGISTER ── */
.register{background:linear-gradient(180deg,var(--white) 0%,var(--gray-50) 100%);position:relative}
.register-header{margin-bottom:2rem}
.survey-frame{border-radius:12px;overflow:hidden;border:1px solid var(--gray-100);box-shadow:0 20px 60px rgba(0,0,0,0.06)}
.survey-frame iframe{display:block}

/* ── FOOTER ── */
.footer{background:var(--orange);padding:3rem 2rem 2rem;text-align:center}
.footer-brand{color:var(--white);font-weight:700;font-size:.95rem;margin-bottom:.5rem}
.footer-brand .accent{color:rgba(255,255,255,0.7)}
.footer-contacts{color:rgba(255,255,255,0.8);font-size:.82rem;margin-bottom:1rem}
.footer-contacts a{color:var(--white);text-decoration:underline}
.footer-contacts a:hover{opacity:.8}
.footer-bottom{color:rgba(255,255,255,0.5);font-size:.7rem;letter-spacing:.5px;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,0.25)}
.footer-partners{display:flex;justify-content:center;align-items:center;gap:2rem;flex-wrap:wrap;margin-bottom:1.5rem}
.footer-partner-logo{height:26px;width:auto;object-fit:contain;filter:brightness(0) invert(1);opacity:0.85;transition:opacity .2s}
.footer-partner-logo:hover{opacity:1}
.footer-partner-logo--lg{height:40px}
.footer-partner-logo--original{filter:none;opacity:0.9}

/* ── RESPONSIVE ── */
@media(max-width:900px){
  .nav-links{display:none;position:fixed;top:64px;left:0;right:0;background:var(--orange);flex-direction:column;padding:2rem;gap:1.5rem;border-bottom:1px solid var(--orange-dark)}
  .nav-links.open{display:flex}
  .hamburger{display:flex}
  .hero-date-strip{display:none}
  .problem-grid,.tracks-grid,.partners-grid{grid-template-columns:1fr}
  .mentors-grid{grid-template-columns:repeat(2,1fr)}
  .concept-flow{grid-template-columns:1fr 1fr}
  .concept-arrow{display:none}
  .sprint-phases{grid-template-columns:repeat(2,1fr)}
  .form-row{grid-template-columns:1fr}
  .track-options{grid-template-columns:1fr}
  .hero-stats{gap:1.5rem}
  .stack-layer{grid-template-columns:40px 1fr;gap:1rem}
  .stack-layer-name{grid-column:1/-1}
  .agenda-item{grid-template-columns:50px 1fr}
  .videos-grid{grid-template-columns:1fr}
  .pdf-embed{height:420px}
}
@media(max-width:600px){
  section{padding:4rem 1.25rem}
  .concept-flow,.sprint-phases,.mentors-grid{grid-template-columns:1fr}
  .register-container{padding:2rem 1.5rem}
  .hero{padding:100px 1.25rem 5rem}
  .hero-partners{position:static;margin-top:3rem;justify-content:flex-start}
}

/* ── ANIMATIONS ── */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}