/* PPC Ltd Static Site — styles.css */
:root{
  --bg: #071426;
  --panel: #0b1f3a;
  --panel2:#0f2b52;
  --text:#eaf2ff;
  --muted:#b9c7df;
  --accent:#38bdf8;
  --accent2:#22c55e;
  --border: rgba(255,255,255,.12);
  --shadow: 0 18px 40px rgba(0,0,0,.35);
  --radius: 18px;
  --radius2: 26px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 20% -10%, rgba(56,189,248,.18), transparent 60%),
              radial-gradient(900px 500px at 85% 0%, rgba(34,197,94,.10), transparent 60%),
              var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a{ color: var(--text); text-decoration:none; }
a:hover{ text-decoration:underline; }

.container{
  width:min(1100px, calc(100% - 40px));
  margin:0 auto;
}

.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); border:0;
}

.muted{ color:var(--muted); }
.small{ font-size:.92rem; }
.accent{ color: var(--accent); }

/* Topbar */
.topbar{
  background: rgba(255,255,255,.04);
  border-bottom: 1px solid var(--border);
  font-size: .92rem;
}
.topbar__inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:10px 0;
  gap: 14px;
}
.pill{
  display:inline-flex; align-items:center;
  background: rgba(56,189,248,.14);
  border: 1px solid rgba(56,189,248,.25);
  padding:4px 10px;
  border-radius: 999px;
  font-weight:600;
  margin-right:10px;
}
.dot{ opacity:.6; margin:0 10px; }
.toplink{ color: var(--muted); }
.toplink:hover{ color: var(--text); text-decoration:none; }

/* Header */
.header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(12px);
  background: rgba(7,20,38,.7);
  border-bottom: 1px solid var(--border);
}
.header__inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
  gap:16px;
}

.brand{ display:flex; align-items:center; gap:12px; }
.brand__logo{ width:40px; height:40px; }
.brand__name{ font-weight:800; letter-spacing:.2px; }
.brand__sub{ font-size:.88rem; color: var(--muted); margin-top:-2px; }

.nav__menu{
  list-style:none;
  display:flex;
  gap:18px;
  align-items:center;
  margin:0; padding:0;
}
.nav__menu a{ color: var(--muted); font-weight:600; }
.nav__menu a:hover{ color: var(--text); text-decoration:none; }

.nav__toggle{
  display:none;
  width:44px; height:40px;
  border:1px solid var(--border);
  border-radius: 12px;
  background: rgba(255,255,255,.04);
  align-items:center;
  justify-content:center;
  gap:5px;
  cursor:pointer;
}
.nav__toggle span{
  display:block;
  width:18px;
  height:2px;
  background: var(--text);
  border-radius: 2px;
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:12px 16px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(56,189,248,.95), rgba(34,197,94,.75));
  color: #04101f;
  font-weight:800;
  border: 0;
  box-shadow: 0 10px 24px rgba(56,189,248,.18);
  cursor:pointer;
  text-decoration:none;
}
.btn:hover{ transform: translateY(-1px); text-decoration:none; }
.btn--ghost{
  background: rgba(255,255,255,.06);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow:none;
}
.btn--sm{ padding:10px 12px; border-radius: 12px; font-weight:800; }
.btn--block{ width:100%; }

/* Hero */
.hero{
  padding: 64px 0 28px;
}
.hero__grid{
  display:grid;
  grid-template-columns: 1.3fr .9fr;
  gap: 30px;
  align-items:start;
}
.hero h1{
  margin: 0 0 14px;
  font-size: clamp(2rem, 3.2vw, 3.1rem);
  line-height: 1.08;
}
.lead{
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 58ch;
  margin: 0 0 20px;
}
.hero__cta{ display:flex; gap:12px; flex-wrap:wrap; margin-bottom: 20px; }

.hero__stats{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}
.stat{
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px 14px;
  min-width: 150px;
}
.stat__num{ font-size: 1.3rem; font-weight: 900; letter-spacing:.3px; }
.stat__label{ color: var(--muted); font-weight:600; font-size:.92rem; }

.hero__card .card{
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  padding: 22px;
  box-shadow: var(--shadow);
}
.card__badge{
  display:inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  font-weight: 800;
  font-size: .85rem;
  background: rgba(34,197,94,.12);
  border: 1px solid rgba(34,197,94,.25);
  margin-bottom: 12px;
}
.card__title{ margin:0 0 10px; }
.card__divider{ height:1px; background: var(--border); margin: 14px 0; }

.checklist{
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}
.checklist li{ margin: 8px 0; }

/* Strip */
.strip{
  padding: 18px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,.03);
}
.strip__inner{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.strip__item{
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px 14px;
  background: rgba(255,255,255,.03);
}
.strip__item strong{ display:block; }
.strip__item span{ color: var(--muted); }

/* Sections */
.section{
  padding: 60px 0;
}
.section--alt{
  background: rgba(255,255,255,.03);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section__head{
  margin-bottom: 22px;
}
.section__head h2{
  margin: 0 0 8px;
  font-size: 1.85rem;
}

/* Grid */
.grid{
  display:grid;
  gap: 16px;
}
.grid--2{ grid-template-columns: repeat(2, 1fr); }
.grid--3{ grid-template-columns: repeat(3, 1fr); }
.grid--4{ grid-template-columns: repeat(4, 1fr); }

/* Tiles */
.tile{
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.tile--soft{ background: rgba(255,255,255,.03); }
.tile h3{ margin: 0 0 8px; }
.bullets{
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--muted);
}
.bullets li{ margin: 7px 0; }

/* Timeline */
.timeline{ display:grid; gap: 12px; }
.timeline__row{
  display:grid;
  grid-template-columns: 190px 1fr;
  gap: 14px;
  align-items:start;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
}
.timeline__badge{
  font-weight: 900;
  color: #04101f;
  background: linear-gradient(135deg, rgba(56,189,248,.95), rgba(34,197,94,.75));
  border-radius: 14px;
  padding: 10px 12px;
  text-align:center;
}
.timeline__content h3{ margin: 0 0 4px; }

.callout{
  margin-top: 18px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 14px;
  padding: 16px 18px;
  border-radius: var(--radius);
  border: 1px solid rgba(56,189,248,.22);
  background: rgba(56,189,248,.08);
}

/* Steps */
.step{
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  background: rgba(255,255,255,.03);
}
.step__num{
  width: 36px; height: 36px;
  display:inline-flex; align-items:center; justify-content:center;
  border-radius: 12px;
  font-weight: 900;
  color: #04101f;
  background: rgba(56,189,248,.9);
  margin-bottom: 10px;
}

/* Projects placeholders */
.placeholder{
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.placeholder__img{
  height: 140px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  border: 1px dashed rgba(255,255,255,.18);
  margin-bottom: 12px;
}

/* Contact */
.contact{
  display:grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 18px;
  align-items:start;
}
.infoCard{
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  padding: 18px;
}
.infoCard__row{
  display:flex;
  justify-content:space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.infoCard__row:last-child{ border-bottom:0; }
.infoCard__label{ color: var(--muted); font-weight:700; }
.infoCard__value a{ color: var(--text); }
.infoCard__divider{ height:1px; background: var(--border); margin: 12px 0; }

.form{
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  padding: 18px;
}
.field{ display:flex; flex-direction:column; gap: 8px; }
label{ font-weight: 700; color: var(--muted); }
input, select, textarea{
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(7,20,38,.55);
  color: var(--text);
  outline: none;
}
input:focus, select:focus, textarea:focus{
  border-color: rgba(56,189,248,.55);
  box-shadow: 0 0 0 3px rgba(56,189,248,.14);
}
.form__actions{
  margin-top: 12px;
  display:flex;
  align-items:center;
  gap: 12px;
}

/* Footer */
.footer{
  padding: 26px 0;
  border-top: 1px solid var(--border);
  background: rgba(0,0,0,.12);
}
.footer__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 16px;
  flex-wrap:wrap;
}
.footer__left{
  display:flex;
  align-items:center;
  gap: 12px;
}
.footer__logo{ width: 36px; height: 36px; opacity:.92; }
.footer__name{ font-weight: 900; }
.footer__muted{ color: var(--muted); font-size:.92rem; }
.footer__right{
  display:flex;
  gap: 14px;
  flex-wrap:wrap;
}
.footer__right a{ color: var(--muted); font-weight: 700; }
.footer__right a:hover{ color: var(--text); text-decoration:none; }
.toTop{ opacity:.9; }

/* Responsive */
@media (max-width: 980px){
  .hero__grid{ grid-template-columns: 1fr; }
  .contact{ grid-template-columns: 1fr; }
  .strip__inner{ grid-template-columns: repeat(2, 1fr); }
  .grid--3{ grid-template-columns: repeat(2, 1fr); }
  .grid--4{ grid-template-columns: repeat(2, 1fr); }
  .timeline__row{ grid-template-columns: 1fr; }
  .timeline__badge{ text-align:left; }
}

@media (max-width: 720px){
  .topbar__inner{ flex-direction:column; align-items:flex-start; }
  .nav__toggle{ display:inline-flex; }
  .nav__menu{
    position:absolute;
    right: 20px;
    top: 68px;
    width: min(320px, calc(100vw - 40px));
    flex-direction:column;
    align-items:stretch;
    gap: 10px;
    padding: 12px;
    border-radius: 18px;
    border: 1px solid var(--border);
    background: rgba(7,20,38,.92);
    box-shadow: var(--shadow);
    display:none;
  }
  .nav__menu a{ padding: 10px 10px; border-radius: 12px; }
  .nav__menu a:hover{ background: rgba(255,255,255,.06); }
  .nav__menu.is-open{ display:flex; }
  .grid--2{ grid-template-columns: 1fr; }
  .grid--3{ grid-template-columns: 1fr; }
  .strip__inner{ grid-template-columns: 1fr; }
}