/* ========== Tokens ========== */
:root{
  --ink:#0d2740;
  --muted:#557087;
  --bg:#fcfbf8;
  --card:#ffffff;
  --blush:#fdebf1;
  --teal:#7ECFDC;
  --shadow:0 8px 30px rgba(11,31,53,.10);
  --shadow-strong:0 18px 50px rgba(11,31,53,.18);
}

/* ========== Base ========== */
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:Inter,system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
}
h1,h2,h3,h4{
  font-family:"Cormorant Garamond",serif;
  margin:0 0 .6rem;
  color:var(--ink);
}
h1{font-size:clamp(2.2rem,3.2vw,3.2rem); line-height:1.1}
h2{font-size:clamp(1.6rem,2.2vw,2.1rem)}
h3{font-size:1.25rem}
p{color:#3b4b5a; margin:.6rem 0 1rem}
.wrap{max-width:1080px; margin-inline:auto; padding:0 24px}

/* ========== Hero ========== */
.cs-hero{
  position:relative;
  padding:84px 0 28px;
  background:
    radial-gradient(1200px 420px at 50% -10%, rgba(126,207,220,.25), rgba(126,207,220,0) 65%),
    linear-gradient(180deg, #fff 0%, #f9f3f6 85%, #fff 100%);
}
.cs-hero .eyebrow{
  letter-spacing:.14em; text-transform:uppercase; color:var(--muted);
  font-weight:600; font-size:.8rem; margin:0 0 .6rem;
}
.cs-hero .sub{color:var(--muted); margin-top:.2rem}
.meta{display:flex; gap:.6rem; flex-wrap:wrap; margin-top:14px}
.chip{
  border:1px solid rgba(13,39,64,.12); background:#fff; color:#365066;
  padding:.38rem .6rem; border-radius:999px; font-size:.85rem; font-weight:500;
}

.hero-phones{
  display:flex; gap:18px; margin-top:32px; flex-wrap:wrap;
}
.frame{
  background:var(--card); border-radius:16px; padding:14px;
  box-shadow:var(--shadow); text-align:center;
}
.frame img{display:block; width:220px; max-width:40vw; border-radius:18px; box-shadow:var(--shadow-strong)}
.frame figcaption{font-size:.85rem; color:var(--muted); margin-top:8px}
.frame.tall img{width:340px; max-width:58vw}
.frame.phone img{width:220px}
.soft-fade{height:28px; background:linear-gradient(180deg, rgba(249,243,246,0), rgba(249,243,246,1)); margin-top:22px}

/* ========== Body ========== */
.cs-body{max-width:980px; margin:0 auto; padding:28px 24px 80px}

.grid-2{
  display:grid; grid-template-columns:1.2fr .8fr; gap:24px; align-items:start;
}
.card{
  background:var(--card); border-radius:16px; padding:18px 18px 16px; box-shadow:var(--shadow);
}
.card h3{margin-bottom:.6rem}
.bullets{margin:0; padding-left:18px}
.bullets li{margin:.3rem 0}

.checks{
  list-style:none; padding:0; margin:14px 0 8px; display:grid; gap:10px;
}
.checks li{
  background:#fff; border:1px solid rgba(13,39,64,.08); border-radius:12px;
  padding:12px 14px 12px 40px; position:relative; box-shadow:var(--shadow);
}
.checks li::before{
  content:"✓"; position:absolute; left:14px; top:50%; transform:translateY(-50%);
  color:#1a7f8d; font-weight:700;
}

.screens{
  display:grid; gap:18px; grid-template-columns:repeat(3, minmax(0,1fr));
}
.screens .frame{display:flex; flex-direction:column; align-items:center}

.decisions{
  display:grid; gap:16px; grid-template-columns:repeat(3, minmax(0,1fr));
}
.decisions .item{padding:10px 2px}
.decisions .item h4{margin-bottom:.25rem; font-size:1.05rem}

.impact{
  display:grid; grid-template-columns:repeat(3, minmax(0,1fr)); gap:12px; margin:10px 0 8px;
}
.stat{
  background:#fff; border-radius:14px; padding:14px 10px; text-align:center; box-shadow:var(--shadow);
}
.num{font-family:"Cormorant Garamond",serif; font-size:2rem; font-weight:700; color:#1a7f8d}
.label{display:block; font-size:.9rem; color:var(--muted); margin-top:2px}

.pull{
  margin:18px 0 0; padding:14px 16px; background:#f5fbfc; border-left:4px solid var(--teal);
  border-radius:12px; color:#2d5661; font-style:italic;
}

.btn{
  display:inline-block; border-radius:999px; padding:.7rem 1.1rem; font-weight:600;
  text-decoration:none; transition:transform .2s ease, box-shadow .2s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn-teal{background:var(--teal); color:#07323a; box-shadow:0 10px 26px rgba(126,207,220,.35)}
.btn-teal:hover{box-shadow:0 16px 44px rgba(126,207,220,.55)}

/* Footer */
.cs-footer{padding:28px 0 40px; text-align:center; color:var(--muted); font-size:.9rem}

/* ========== Reveal on scroll ========== */
.reveal{opacity:0; transform:translateY(16px); transition:opacity .6s ease, transform .6s ease}
.reveal.in-view{opacity:1; transform:none}

/* ========== Responsive ========== */
@media (max-width: 1024px){
  .grid-2{grid-template-columns:1fr}
  .screens{grid-template-columns:repeat(2, minmax(0,1fr))}
  .decisions{grid-template-columns:repeat(2, minmax(0,1fr))}
}
@media (max-width: 640px){
  .hero-phones{justify-content:center}
  .screens{grid-template-columns:1fr}
  .decisions{grid-template-columns:1fr}
  .impact{grid-template-columns:1fr}
  .frame.tall img{width:88vw}
  .frame.phone img{width:72vw}
}


/* .design-decisions {
  margin:  auto;
  max-width: 800px;
} */

.design-decisions h2 {
  text-align: left;
  margin-bottom: 1.5rem;
  font-size: 2rem;
  color: #0d2740;
}

.decision-list {
  list-style: disc;
  padding-left: 1.5rem;
  line-height: 1.8;
  color: #333;
}

.decision-list li {
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.decision-list li strong {
  color: #0c2b52;
}

.key-screens {
  margin: 3rem auto;
  max-width: 1000px;
  text-align: center;
}

.key-screens h2 {
  margin-bottom: 2rem;
  font-size: 2rem;
  color: #0d2740;
}

.key-screens .screens {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}

.key-screens figure {
  margin: 0;
  text-align: center;
}

.key-screens img {

  border-radius: 16px; /* optional soft rounded corners */
  box-shadow: 0 8px 24px rgba(0,0,0,0.2); /* subtle glow */
  transition: transform 0.3s ease;
}

.key-screens img:hover {
  transform: scale(1.05); /* hover zoom effect */
}

.key-screens figcaption {
  margin-top: 0.8rem;
  font-size: 1rem;
  color: #333;
}



/* Raw screenshots: no background, no shadows, no rounding */
.screens--raw figure {
  margin: 0;
  padding: 0;
  background: transparent;
  box-shadow: none;
  border: 0;
}

.screens--raw img {
  display: block;
  width: min(300px, 38vw);   /* tweak size as you like */
  height: auto;
  background: transparent;
  border-radius: 0;
  box-shadow: none !important;
  filter: none;
}

/* Optional: layout for the pair */
.screens--raw {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  align-items: flex-start;
}


.back-btn {
  position: absolute; /* stays in the header */
  top: 20px;
  left: 20px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #7ecfdc;
  border-radius: 50%;
  text-decoration: none;
  z-index: 10;
  transition: transform 0.3s ease, background 0.3s ease;
}

.back-btn:hover {
  background: #138d8d;
  transform: scale(1.1); /* subtle pop effect */
}

.back-btn .arrow {
  display: block;
  width: 14px;
  height: 14px;
  border-left: 3px solid white;
  border-bottom: 3px solid white;
  transform: rotate(45deg);
  transition: transform .3s ease, margin .3s ease;
}

.back-btn:hover .arrow{
  margin-left: -4px;              /* pure left, stays vertically centered */
}


.big-img {
  width: 80% !important;   /* scales up beyond its container */
  max-width: none;
}