/* Robotic Snail Software — static portfolio
   - modern, mobile-first
   - no external fonts; uses system stack
*/

:root{
  --bg: #0b1220;
  --bg2:#0a0f1a;
  --card:#101a2d;
  --card2:#0f182a;
  --text:#e8edf7;
  --muted:#b6c1d6;
  --border: rgba(255,255,255,.10);
  --shadow: 0 18px 50px rgba(0,0,0,.45);
  --accent: #7c3aed;
  --accent2:#22d3ee;
  --focus: rgba(34,211,238,.35);
  --radius: 18px;
}

:root[data-theme="light"]{
  --bg:#f6f7fb;
  --bg2:#ffffff;
  --card:#ffffff;
  --card2:#fbfbfe;
  --text:#0b1220;
  --muted:#475569;
  --border: rgba(15,23,42,.10);
  --shadow: 0 18px 50px rgba(15,23,42,.12);
  --accent: #6d28d9;
  --accent2:#0891b2;
  --focus: rgba(2,132,199,.25);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background:
    radial-gradient(900px 420px at 12% 12%, rgba(124,58,237,.22), transparent 60%),
    radial-gradient(850px 520px at 92% 18%, rgba(34,211,238,.16), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  color:var(--text);
}

a{ color:inherit; text-decoration:none; }
a.text-link{ text-decoration:underline; text-underline-offset: 3px; }
a.text-link:hover{ opacity:.9; }

.container{
  width:min(1120px, calc(100% - 2rem));
  margin-inline:auto;
}

.skip-link{
  position:absolute;
  left:-999px;
  top:1rem;
  background:var(--card);
  padding:.75rem 1rem;
  border-radius:12px;
  border:1px solid var(--border);
  z-index:999;
}
.skip-link:focus{ left:1rem; outline:3px solid var(--focus); }

.site-header{
  position:sticky;
  top:0;
  z-index:100;
  backdrop-filter: blur(14px);
  background: rgba(10,15,26,.55);
  border-bottom: 1px solid var(--border);
}
:root[data-theme="light"] .site-header{
  background: rgba(255,255,255,.65);
}

.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:.9rem 0;
  gap:1rem;
}

.brand{
  display:flex;
  gap:.75rem;
  align-items:center;
}
.brand-mark{
  width:40px;
  height:40px;
  display:grid;
  place-items:center;
  border-radius:14px;
  background: linear-gradient(135deg, rgba(124,58,237,.35), rgba(34,211,238,.25));
  border: 1px solid var(--border);
}
.brand-name{ font-weight:700; letter-spacing:.2px; }
.brand-sub{ display:block; font-size:.82rem; color:var(--muted); margin-top:.12rem; }

.nav-links{
  display:flex;
  align-items:center;
  gap:.95rem;
}
.nav-links a{
  padding:.45rem .55rem;
  border-radius:12px;
  color:var(--muted);
}
.nav-links a:hover{ color:var(--text); background: rgba(255,255,255,.06); }
:root[data-theme="light"] .nav-links a:hover{ background: rgba(15,23,42,.06); }

.nav-toggle{
  display:none;
  border:1px solid var(--border);
  background: rgba(255,255,255,.04);
  color:var(--text);
  border-radius:12px;
  padding:.55rem .7rem;
  box-shadow: none;
}
.theme-toggle{
  border:1px solid var(--border);
  background: rgba(255,255,255,.04);
  color:var(--text);
  border-radius:999px;
  padding:.45rem .65rem;
}
.theme-toggle:hover, .nav-toggle:hover{ background: rgba(255,255,255,.08); }

.hero{
  padding: 3.4rem 0 2.2rem;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.2fr .9fr;
  gap: 2.2rem;
  align-items:start;
}
.eyebrow{
  color:var(--muted);
  letter-spacing:.16em;
  text-transform:uppercase;
  font-size:.82rem;
  margin:0 0 .8rem;
}
h1{
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height:1.05;
  margin:.2rem 0 1rem;
}
.lede{
  color:var(--muted);
  font-size:1.06rem;
  line-height:1.55;
  margin:0 0 1.3rem;
}
.hero-cta{
  display:flex;
  gap:.75rem;
  flex-wrap:wrap;
  margin-bottom:1.4rem;
}

.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:.5rem;
  list-style:none;
  padding:0;
  margin:0;
}
.hero-badges li{
  border:1px solid var(--border);
  background: rgba(255,255,255,.04);
  padding:.45rem .65rem;
  border-radius:999px;
  font-size:.9rem;
  color:var(--muted);
}

.hero-card{
  border:1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.hero-card-top, .hero-card-bottom{
  padding: 1rem 1rem;
  display:flex;
  justify-content:space-between;
  gap:.6rem;
  align-items:center;
}
.hero-card-bottom{
  border-top:1px solid var(--border);
  background: rgba(255,255,255,.02);
}
.chip{
  border:1px solid var(--border);
  background: rgba(255,255,255,.04);
  padding:.35rem .55rem;
  border-radius:999px;
  font-size:.82rem;
  color:var(--muted);
}
.hero-card-body{
  padding: .25rem 1rem 1rem;
  display:grid;
  gap:.75rem;
}
.app-mini{
  display:flex;
  gap:.75rem;
  align-items:center;
  padding:.7rem .7rem;
  border-radius: 14px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.03);
}
.app-icon{
  width:40px;
  height:40px;
  border-radius:14px;
  display:grid;
  place-items:center;
  background: rgba(255,255,255,.04);
  border:1px solid var(--border);
  font-size:1.2rem;
}
.app-mini-title{ font-weight:650; }
.app-mini-sub{ color:var(--muted); font-size:.92rem; margin-top:.1rem; }

.section{
  padding: 3.1rem 0;
}
.section.alt{
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0));
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.section-header{
  margin-bottom: 1.35rem;
}
.section-header h2{ margin:0 0 .35rem; font-size:1.85rem; }
.section-header p{ margin:0; color:var(--muted); }

.grid{
  display:grid;
  gap: 1rem;
}
.cards{
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.card{
  border:1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
  padding: 1.05rem;
  display:flex;
  flex-direction:column;
  gap:.75rem;
}
.card.subtle{
  background: linear-gradient(180deg, var(--card), var(--card2));
}
.card-head{
  display:flex;
  gap:.75rem;
  align-items:center;
}
.card-icon{
  width:46px;
  height:46px;
  border-radius:16px;
  display:grid;
  place-items:center;
  background: linear-gradient(135deg, rgba(124,58,237,.25), rgba(34,211,238,.18));
  border:1px solid var(--border);
  font-size:1.3rem;
}
.card h3{ margin:0; font-size:1.1rem; }
.card p{ margin:0; color:var(--muted); line-height:1.55; }
.card p.muted{ color:var(--muted); margin-top:.15rem; }
.tags{
  list-style:none;
  padding:0;
  margin:.15rem 0 0;
  display:flex;
  flex-wrap:wrap;
  gap:.45rem;
}
.tags li{
  border:1px solid var(--border);
  background: rgba(255,255,255,.03);
  padding:.35rem .55rem;
  border-radius:999px;
  font-size:.82rem;
  color:var(--muted);
}
.card-actions{
  display:flex;
  gap:.55rem;
  margin-top:auto;
  flex-wrap:wrap;
}

.two-col{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 1.4rem;
  align-items:start;
}
.callout{
  border:1px solid var(--border);
  background: rgba(255,255,255,.04);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow);
}
.callout h3{ margin:.1rem 0 .6rem; }
.checklist{
  margin:0;
  padding-left: 1.1rem;
  color:var(--muted);
  line-height:1.7;
}
.social{
  display:flex;
  gap: 1rem;
  flex-wrap:wrap;
  margin-top: 1rem;
}
.big{ font-size:1.2rem; }
.small{ font-size:.9rem; }
.muted{ color:var(--muted); }

.stack{
  grid-template-columns: repeat(4, minmax(0,1fr));
}
.stack-card{
  border:1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  padding: 1rem 1rem;
  box-shadow: var(--shadow);
}
.stack-card h3{ margin:.1rem 0 .6rem; font-size:1.05rem; }
.stack-card ul{ margin:0; padding-left: 1.15rem; color:var(--muted); line-height:1.7; }

.contact-form{
  border:1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  padding: 1rem;
  box-shadow: var(--shadow);
}
.field{ display:flex; flex-direction:column; gap:.35rem; margin-bottom:.75rem; }
label{ font-size:.92rem; color:var(--muted); }
input, textarea{
  border:1px solid var(--border);
  border-radius: 14px;
  padding:.8rem .9rem;
  background: rgba(255,255,255,.03);
  color: var(--text);
  outline:none;
}
:root[data-theme="light"] input,
:root[data-theme="light"] textarea{ background: rgba(15,23,42,.03); }
input:focus, textarea:focus{ outline: 3px solid var(--focus); border-color: transparent; }

.button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.4rem;
  padding: .8rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  color: var(--text);
  font-weight: 650;
}
.button:hover{ background: rgba(255,255,255,.08); }
.button.primary{
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: white;
}
.button.primary:hover{ filter: brightness(1.05); }
.button.small{ padding:.6rem .85rem; font-size:.92rem; }

.footer{
  padding: 1.8rem 0;
  border-top: 1px solid var(--border);
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:1rem;
  color:var(--muted);
}

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

/* Responsive */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .cards{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .stack{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .two-col{ grid-template-columns: 1fr; }
}

@media (max-width: 640px){
  .nav-toggle{ display:inline-flex; }
  .nav-links{
    position:absolute;
    left:0; right:0;
    top: 64px;
    margin-inline: 1rem;
    padding: .75rem;
    border:1px solid var(--border);
    border-radius: 16px;
    background: rgba(10,15,26,.78);
    backdrop-filter: blur(14px);
    display:none;
    flex-direction:column;
    align-items:stretch;
  }
  :root[data-theme="light"] .nav-links{ background: rgba(255,255,255,.85); }
  .nav-links a, .nav-links button{
    width:100%;
    justify-content:flex-start;
  }
  .cards{ grid-template-columns: 1fr; }
  .stack{ grid-template-columns: 1fr; }
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: cover;
}


/* Mobile header padding fix */
.site-header .nav {
  padding-left: 1rem;
  padding-right: 1rem;
}

.container {
  padding-left: 1rem;
  padding-right: 1rem;
}

/* Footer social icons */
.footer-social {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.footer-social a {
  display: inline-flex;
  width: 24px;
  height: 24px;
  opacity: 0.8;
  transition: opacity 0.2s ease;
}

.footer-social a:hover {
  opacity: 1;
}

.footer-social svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}


/* Footer social icons — improved visibility & mobile wrapping */
.footer-inner {
  flex-wrap: wrap;
}

.footer-social {
  margin-left: auto;
}

.footer-social a {
  width: 28px;
  height: 28px;
  color: var(--text);
}

@media (max-width: 640px){
  .footer-inner{
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-social{
    margin-left: 0;
    width: 100%;
    justify-content: flex-start;
  }
}


/* iOS Safari: extend header background into the status bar */
html, body {
  background: var(--bg);
}

.site-header {
  padding-top: env(safe-area-inset-top);
  background: var(--bg);
}


/* iOS Safari: ensure background fills bottom safe area behind browser controls */
:root {
  background: var(--bg);
}

html, body {
  background: var(--bg);
  min-height: 100%;
}

body {
  min-height: 100dvh;
  padding-bottom: env(safe-area-inset-bottom);
}


/* iOS Safari safe-area + background robustness */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: -1;
}

/* Ensure header/footer paint their own backgrounds */
.site-header,
.footer {
  background: var(--bg);
}

/* Extend header/footer into safe areas */
.site-header {
  padding-top: env(safe-area-inset-top);
}

.footer {
  padding-bottom: calc(1rem + env(safe-area-inset-bottom));
}

/* Footer social icons: ensure visible on mobile */
.footer-social {
  color: var(--text);
}

.footer-social a {
  opacity: 1;
  color: var(--text);
}

.footer-social svg {
  display: block;
  fill: currentColor;
}


/* iOS landscape: keep content out of Dynamic Island / sensor housing */
body {
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

/* Make container padding respect safe area too */
.container {
  padding-left: calc(1rem + env(safe-area-inset-left));
  padding-right: calc(1rem + env(safe-area-inset-right));
}

/* Header/Footer also respect safe area in landscape */
.site-header .nav {
  padding-left: calc(1rem + env(safe-area-inset-left));
  padding-right: calc(1rem + env(safe-area-inset-right));
}

.footer {
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}


/* Footer: icons above copyright on all devices */
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.footer-social {
  display: flex;
  gap: 0.9rem;
  align-items: center;
  justify-content: center;
}

.footer-social a {
  display: inline-flex;
  width: 28px;
  height: 28px;
  color: var(--text);
}

.footer-social svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.footer-copy {
  opacity: 0.9;
}

/* make sure footer has enough padding for iOS bottom bar */
.footer {
  padding-bottom: calc(1.25rem + env(safe-area-inset-bottom));
}