:root{
  --accent:#5BA0BA; --bg:#ffffff; --muted:#8f9498; --ink:#0b0c0d;
  --surface:#fbfbfb; --card:#ffffff; --border:#eee8e5;
  --r:12px; --maxw:1100px; --content:920px;
}

/* Base */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{overflow-x:hidden}          /* remove unintended horizontal scroll */
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0 0 .6rem}
h1{font-size:clamp(26px,3.8vw,40px);line-height:1.06;font-weight:700}
h2{font-size:clamp(22px,3vw,28px)}

/* Containers */
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section-inner{max-width:var(--content);margin:0 auto}
section{padding:48px 0;border-bottom:1px solid #faf6f5}
.label{font:600 11px/1 Inter;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.muted{color:var(--muted)}
.card{background:var(--card);border-radius:10px;padding:14px;border:1px solid var(--border);margin-bottom:12px}

/* Header (same as home style) */
.site-header{
  position:sticky;top:0;z-index:60;
  -webkit-backdrop-filter:saturate(1.4) blur(8px);backdrop-filter:saturate(1.4) blur(8px);
  background:color-mix(in srgb, var(--surface) 78%, transparent);border-bottom:1px solid rgba(0,0,0,.06)
}
.wrap{max-width:1120px;margin:0 auto;padding:6px 14px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand img{height:clamp(36px,7vw,80px);width:auto;display:block}
.brand-name{font-weight:700;white-space:nowrap}
.controls{display:flex;gap:8px;align-items:center}
.icon-btn{appearance:none;border:0;background:#fff;color:var(--ink);width:36px;height:36px;border-radius:12px;display:grid;place-items:center;box-shadow:0 10px 26px rgba(0,0,0,.08);transition:transform .12s ease, background .2s ease}
.icon-btn:hover{background:#F3FBFE}
.icon-btn:active{transform:scale(.96)}
.ic{display:none}
.icon-btn[data-state="on"] .ic-on{display:block}
.icon-btn[data-state="off"] .ic-off{display:block}
.icon-btn.needs-interaction{position:relative}
.icon-btn.needs-interaction::after{content:"";position:absolute;inset:-4px;border-radius:14px;border:2px solid rgba(91,160,186,.45);animation:pulse 1.4s infinite}
@keyframes pulse{0%{opacity:.5;transform:scale(.98)}70%{opacity:0;transform:scale(1.15)}100%{opacity:0}}
.hamburger,.hamburger::before,.hamburger::after{content:"";display:block;width:18px;height:2px;background:currentColor;position:relative;border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.hamburger::before{position:absolute;top:-6px}.hamburger::after{position:absolute;top:6px}
.icon-btn[aria-expanded="true"] .hamburger{transform:rotate(45deg)}
.icon-btn[aria-expanded="true"] .hamburger::before{transform:rotate(90deg) translateX(-6px)}
.icon-btn[aria-expanded="true"] .hamburger::after{opacity:0}

/* Drawer */
.drawer{position:fixed;inset:0;pointer-events:none;z-index:55}
.drawer .scrim{position:absolute;inset:0;background:#0006;opacity:0;transition:opacity .28s ease}
.drawer .panel{position:absolute;top:0;right:0;width:min(340px,90vw);height:100%;background:#fff;border-left:1px solid rgba(0,0,0,.06);
  box-shadow:-20px 0 50px rgba(0,0,0,.08);transform:translateX(105%);transition:transform .36s cubic-bezier(.22,1,.36,1);
  padding:20px;display:flex;flex-direction:column;gap:10px}
.drawer .panel h2{font-size:14px;text-transform:uppercase;letter-spacing:.18em;color:#9CA3AF;margin-bottom:6px}
.drawer .panel a{padding:12px 10px;border-radius:12px;color:var(--ink);font-weight:600}
.drawer .panel a:hover{background:#F3FBFE}
.drawer.open{pointer-events:auto}.drawer.open .panel{transform:translateX(0)}.drawer.open .scrim{opacity:1}

/* Progress left */
.progress-rail{
  position:fixed;left:12px;top:16%;bottom:16%;width:8px;background:rgba(0,0,0,0.04);border-radius:6px;overflow:hidden;z-index:50
}
.progress-bar{width:100%;height:0%;background:var(--accent);transition:height 120ms linear;transform-origin:top}
.progress-perc{position:fixed;left:24px;top:18%;transform:rotate(180deg);writing-mode:vertical-rl;font-size:12px;color:var(--muted);z-index:50}

/* Hero */
.hero{padding:56px 0 24px}
.hero-inner{max-width:var(--content);margin:0 auto}
.meta{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;color:var(--muted);margin:14px 0}
.meta b{display:block;font-size:11px;text-transform:uppercase;color:#a9b0b6;margin-bottom:6px}

.hero-media{display:flex;justify-content:center;align-items:center;margin-top:18px}
.hero-media .img-frame{width:100%;max-width:1100px;border-radius:10px;overflow:hidden;border:1px solid var(--border);background:var(--surface)}
.hero-media .img-frame img{width:100%;height:auto;object-fit:contain;display:block}  /* no cropping */

@media (max-width:980px){ .meta{grid-template-columns:1fr 1fr} }

/* Image frames used elsewhere */
figure.img-frame{margin:22px auto 0;display:block;max-width:920px;border-radius:10px;overflow:hidden;border:1px solid var(--border);background:var(--surface);transition:transform .18s ease, box-shadow .22s ease, border-color .22s ease;will-change:transform}
figure.img-frame img{width:100%;height:auto;display:block;object-fit:contain} /* no cropping */
figure.img-frame:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(0,0,0,.06);border-color:color-mix(in srgb, var(--accent) 28%, var(--border) 72%)}

/* Two columns */
.two-col{display:grid;grid-template-columns:1fr 420px;gap:28px;align-items:start}
@media (max-width:980px){ .two-col{grid-template-columns:1fr} }

/* Grid helpers for strategy & features */
.grid-2col{display:grid;grid-template-columns:420px 1fr;gap:28px;align-items:start}
@media (max-width:980px){ .grid-2col{grid-template-columns:1fr} }

.strategy-left{display:grid;gap:14px}
.strategy-left .thumb{border-radius:10px;overflow:hidden;border:1px solid var(--border);background:var(--surface);box-shadow:0 6px 20px rgba(11,12,13,0.04)}
.strategy-left .thumb img{width:100%;height:240px;object-fit:cover;display:block}

.principles{border-radius:10px;padding:18px;border:1px solid rgba(91,160,186,0.12);background:rgba(91,160,186,0.04)}
@media (min-width:981px){ .principles{position:sticky;top:110px} }
.principles h3{margin:0 0 8px}
.principles ul{padding-left:18px;margin:6px 0 0;color:var(--muted)}
.principles li{margin-bottom:10px;line-height:1.4}

/* Features */
.features-grid{display:grid;grid-template-columns:420px 1fr;gap:28px;align-items:start}
.features-left{display:grid;gap:14px}
.features-left .feature-thumb{border-radius:10px;overflow:hidden;border:1px solid var(--border);background:var(--surface);min-height:140px;display:flex;align-items:center;justify-content:center}
.features-left .feature-thumb img{width:100%;height:160px;object-fit:cover;display:block}
.features-right{display:grid;grid-auto-rows:minmax(120px,auto);gap:14px}
.feature-card{border-radius:10px;padding:16px;border:1px solid var(--border);background:#fff;display:flex;flex-direction:column;justify-content:center;box-shadow:0 6px 18px rgba(11,12,13,0.03)}
.feature-card h4{margin:0 0 8px;font-size:16px}
.feature-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.45}
@media (max-width:980px){ .features-grid{grid-template-columns:1fr}.features-left .feature-thumb img{height:220px} }

/* Quotes */
.quote-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}
@media (max-width:980px){ .quote-row{grid-template-columns:1fr} }
.quote{background:rgba(91,160,186,0.08);padding:16px;border-radius:12px;color:var(--ink);font-style:italic}

/* Impact */
.impact-list{display:grid;gap:12px}
.impact-item{display:grid;grid-template-columns:120px 1fr;gap:12px;align-items:center;padding:12px 0;border-bottom:2px dotted rgba(91,160,186,0.18)}
.impact-badge{background:rgba(91,160,186,0.12);padding:12px;border-radius:12px;text-align:center;font-weight:700;color:var(--accent)}

/* Responsive mobile grid */
.responsive-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.responsive-grid img{width:100%;border-radius:10px;border:1px solid var(--border);display:block;height:auto;object-fit:cover}
@media (max-width:980px){ .responsive-grid{grid-template-columns:repeat(2,1fr)} }
@media (max-width:600px){ .responsive-grid{grid-template-columns:1fr} }

/* Footer */
.site-footer{margin-top:40px;border-top:1px solid rgba(0,0,0,.06);background:#F8FCFF}
.site-footer .wrap{max-width:1120px;margin:0 auto;padding:18px 14px;text-align:center}
.site-footer .sig{color:#2f5f73;font-style:italic;margin:.2rem 0}
.site-footer .collab{color:#4b5563;margin:.2rem 0 .6rem}
.links{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.icon-btn span{margin-left:6px;font-size:14px;color:#333}
.site-footer .rights{color:#777;font-size:13px}

/* Links underline reveal */
a{background:linear-gradient(currentColor,currentColor) left bottom / 0 1px no-repeat;transition:background-size .2s ease}
a:hover{background-size:100% 1px}

/* Section highlight on anchor jump */
.section-highlight{animation:sectionPop .54s cubic-bezier(.16,1,.3,1);box-shadow:0 14px 44px rgba(91,160,186,0.06);border-radius:14px}
@keyframes sectionPop{0%{transform:translateY(10px);opacity:0}40%{transform:translateY(0);opacity:1}100%{transform:none;opacity:1}}

/* Toast */
.toast{position:fixed;left:16px;bottom:16px;background:#111;color:#fff;padding:10px 12px;border-radius:10px;box-shadow:0 10px 26px rgba(0,0,0,.08);display:none;z-index:70}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{animation:none!important;transition:none!important}
}
/* --- Key decisions & trade-offs (original image styles) --- */
#decisions .two-col{
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 28px;
  align-items: start;
}

/* grid wrapper for the screenshots on the right */
#decisions .ss-grid{
  display: grid;
  gap: 12px;
}

/* images: full width, auto height, no cropping */
#decisions .ss-grid img{
  width: 100%;
  height: auto;           /* <- keeps original aspect ratio */
  display: block;
  border-radius: 10px;
  border: 1px solid var(--border);
  object-fit: contain;    /* <- ensures no cropping */
}

/* responsive stack */
@media (max-width: 980px){
  #decisions .two-col{ grid-template-columns: 1fr; }
}

/* ---- FOOTER LAYOUT FIX (force single centered column) ---- */
.site-footer { 
  border-top: 1px solid rgba(91,160,186,.18);
  background:
    radial-gradient(80% 120% at 50% 0%, rgba(91,160,186,.07), transparent 70%),
    linear-gradient(180deg, rgba(91,160,186,.06), rgba(91,160,186,.04) 40%, rgba(91,160,186,.06)),
    #fff;
}

.site-footer .wrap{
  max-width:1120px;
  margin:0 auto;
  padding:22px 14px 20px;
  /* enforce a single column */
  display:grid !important;
  grid-template-columns: 1fr !important;
  justify-items:center !important;
  align-items:center !important;
  gap:12px !important;
  text-align:center !important;
}

/* texts */
.site-footer .sig{
  color:#2e6b82; font-style:italic; font-weight:600;
  margin:.2rem 0 .2rem;
}
.site-footer .collab{ color:#475a65; max-width:78ch; margin:0 auto .2rem; }

/* icon row in ONE line */
.site-footer .links{
  display:flex !important;
  flex-direction:row !important;
  justify-content:center !important;
  align-items:center !important;
  gap:14px !important;
  flex-wrap:nowrap !important;
  /* kill any inherited floats/absolutes */
  position:static !important; float:none !important;
}

/* icon buttons */
.site-footer .icon-btn{
  appearance:none; border:0; width:44px; height:44px;
  border-radius:12px; display:grid; place-items:center;
  background:#fff; color:#2f3f47;
  box-shadow:0 14px 30px rgba(91,160,186,.18), 0 1px 0 rgba(255,255,255,.8) inset;
  transition:transform .15s ease, box-shadow .2s ease, color .2s ease, background .2s ease;
  margin:0 !important;
}
.site-footer .icon-btn:hover{
  transform:translateY(-2px);
  color:var(--accent, #5BA0BA);
  background:linear-gradient(#fff,#f7fcff);
  box-shadow:0 18px 38px rgba(91,160,186,.24);
}

/* copyright line centered under icons */
.site-footer .rights{
  color:#6b7480; font-size:13px; margin-top:4px;
  position:static !important; float:none !important; text-align:center !important;
}

/* safety: remove accidental column layout from parent containers */
.site-footer .wrap > * { max-width: 100%; }