/* ============================================================
   Solva — Design System
   Apple-inspired. Auto light + dark.
   ============================================================ */

:root{
  /* Palette — light (default) */
  --bg:#ffffff;
  --bg-elev:#f5f5f7;
  --card:#ffffff;
  --card-2:#fbfbfd;
  --fg:#1d1d1f;
  --fg-soft:#3a3a3c;
  --muted:#6e6e73;
  --muted-2:#86868b;
  --border:rgba(0,0,0,.08);
  --border-strong:rgba(0,0,0,.14);
  --accent:#0071e3;
  --accent-2:#6a5cff;
  --accent-3:#00c2b8;
  --ring:rgba(0,113,227,.35);
  --shadow-sm:0 1px 2px rgba(0,0,0,.05);
  --shadow-md:0 8px 30px rgba(0,0,0,.08);
  --shadow-lg:0 30px 80px rgba(0,0,0,.12);
  --nav-bg:rgba(255,255,255,.72);
  --glow-1:rgba(0,113,227,.22);
  --glow-2:rgba(106,92,255,.20);
  --glow-3:rgba(0,194,184,.16);
  --hairline:rgba(0,0,0,.06);
}

@media (prefers-color-scheme: dark){
  :root{
    --bg:#000000;
    --bg-elev:#0a0a0c;
    --card:#131316;
    --card-2:#17171b;
    --fg:#f5f5f7;
    --fg-soft:#e6e6ea;
    --muted:#a1a1aa;
    --muted-2:#8a8a92;
    --border:rgba(255,255,255,.10);
    --border-strong:rgba(255,255,255,.18);
    --accent:#2e8bff;
    --accent-2:#8b7bff;
    --accent-3:#22d3c4;
    --ring:rgba(46,139,255,.45);
    --shadow-sm:0 1px 2px rgba(0,0,0,.4);
    --shadow-md:0 10px 40px rgba(0,0,0,.5);
    --shadow-lg:0 40px 100px rgba(0,0,0,.6);
    --nav-bg:rgba(10,10,12,.62);
    --glow-1:rgba(46,139,255,.30);
    --glow-2:rgba(139,123,255,.24);
    --glow-3:rgba(34,211,196,.18);
    --hairline:rgba(255,255,255,.08);
  }
}

/* ---------- Reset / base ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:17px;
  line-height:1.6;
  letter-spacing:-.01em;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
a{color:var(--accent);text-decoration:none}
img{max-width:100%;display:block}
::selection{background:var(--ring);color:var(--fg)}

.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;
  text-transform:uppercase;color:var(--accent);margin:0 0 14px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:980px;font-weight:600;font-size:16px;
  letter-spacing:-.01em;line-height:1;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,opacity .2s ease;
  white-space:nowrap;
}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{
  background:var(--accent);color:#fff;box-shadow:0 8px 24px var(--glow-1);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 34px var(--glow-1)}
.btn-ghost{
  background:color-mix(in srgb,var(--fg) 6%,transparent);
  color:var(--fg);border-color:var(--border-strong);
}
.btn-ghost:hover{border-color:var(--fg-soft);background:color-mix(in srgb,var(--fg) 10%,transparent)}
.btn svg{width:18px;height:18px}
.btn-lg{padding:16px 30px;font-size:17px}
.btn-sm{padding:9px 18px;font-size:14px}

/* ---------- Navigation ---------- */
nav{
  position:sticky;top:0;z-index:100;
  background:var(--nav-bg);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid var(--hairline);
}
nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:56px}
.brand{display:flex;align-items:center;gap:11px;font-weight:600;font-size:19px;letter-spacing:-.02em;color:var(--fg)}
.brand:hover{text-decoration:none}
.brand .mark{
  /* logo PNG transparent (assets/logo.png) — nu mai e pastila cu gradient */
  width:30px;height:30px;object-fit:contain;border-radius:0;background:none;
  filter:drop-shadow(0 4px 10px var(--glow-1));
}
.nav-links{display:flex;gap:6px;align-items:center;font-size:14.5px;font-weight:500}
.nav-links a{color:var(--muted);padding:8px 12px;border-radius:8px;transition:color .2s ease,background .2s ease}
.nav-links a:hover{color:var(--fg);text-decoration:none;background:color-mix(in srgb,var(--fg) 6%,transparent)}
.lang-btn{
  margin-left:6px;border:1px solid var(--border-strong);background:transparent;color:var(--fg);
  font-weight:600;font-size:13px;padding:7px 14px;border-radius:980px;cursor:pointer;
  transition:border-color .2s ease,background .2s ease;
}
.lang-btn:hover{border-color:var(--fg-soft);background:color-mix(in srgb,var(--fg) 6%,transparent)}

/* ---------- Hero ---------- */
.hero{position:relative;text-align:center;padding:110px 24px 80px;overflow:hidden}
.hero-glow{position:absolute;inset:-20% 0 auto;height:720px;z-index:-1;pointer-events:none;
  background:
    radial-gradient(50% 40% at 30% 20%,var(--glow-2),transparent 70%),
    radial-gradient(46% 42% at 72% 8%,var(--glow-1),transparent 70%),
    radial-gradient(40% 40% at 50% 45%,var(--glow-3),transparent 70%);
  filter:blur(24px);opacity:.9;
}
.hero h1{
  font-size:clamp(42px,7.2vw,80px);line-height:1.03;letter-spacing:-.035em;
  font-weight:700;margin:0 auto;max-width:15ch;
}
.hero .grad{
  background:linear-gradient(120deg,var(--accent),var(--accent-2) 55%,var(--accent-3));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.sub{
  font-size:clamp(18px,2.4vw,23px);color:var(--muted);max-width:640px;
  margin:26px auto 38px;line-height:1.5;letter-spacing:-.01em;
}
.cta{display:inline-flex;gap:14px;flex-wrap:wrap;justify-content:center}
.hero-note{margin-top:20px;font-size:13.5px;color:var(--muted-2)}

/* Device mock */
.hero-visual{margin:70px auto 0;max-width:340px;position:relative}
.phone{
  position:relative;border-radius:44px;padding:11px;
  background:linear-gradient(160deg,#2a2a2e,#0c0c0e);
  box-shadow:var(--shadow-lg),0 0 0 1px rgba(255,255,255,.06) inset;
}
.phone-screen{
  position:relative;border-radius:34px;overflow:hidden;aspect-ratio:9/19.2;
  background:linear-gradient(180deg,#0b0f1a,#05070d);
}
.phone-notch{
  position:absolute;top:11px;left:50%;transform:translateX(-50%);
  width:110px;height:26px;background:#000;border-radius:0 0 16px 16px;z-index:4;
}
.screen-content{position:absolute;inset:0;padding:44px 18px 18px;color:#f5f5f7;display:flex;flex-direction:column;gap:12px}
.screen-glow{position:absolute;inset:0;background:
  radial-gradient(60% 30% at 30% 0%,rgba(46,139,255,.35),transparent 70%),
  radial-gradient(50% 30% at 90% 20%,rgba(139,123,255,.30),transparent 70%);z-index:0}
.sc-row{position:relative;z-index:1}
.sc-hi{font-size:12px;color:#9aa3b8;letter-spacing:.02em}
.sc-title{font-size:20px;font-weight:700;letter-spacing:-.02em;margin-top:2px}
.sc-card{
  position:relative;z-index:1;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);border-radius:16px;padding:13px 14px;
  backdrop-filter:blur(6px);
}
.sc-card .lbl{font-size:11px;color:#9aa3b8}
.sc-card .val{font-size:17px;font-weight:700;margin-top:3px}
.sc-bar{height:7px;border-radius:6px;background:rgba(255,255,255,.12);margin-top:9px;overflow:hidden}
.sc-bar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--accent),var(--accent-3))}
.sc-mini{display:flex;gap:9px}
.sc-mini .sc-card{flex:1;text-align:center}
.sc-chat{
  position:relative;z-index:1;margin-top:auto;background:rgba(46,139,255,.16);
  border:1px solid rgba(46,139,255,.28);border-radius:16px;padding:12px 13px;font-size:12.5px;color:#dfe7f5;
}
.sc-chat b{color:#fff}

/* ---------- Trust strip ---------- */
.trust{border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline);padding:26px 0}
.trust .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:14px 40px;text-align:center}
.trust-item{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:14px;font-weight:500}
.trust-item svg{width:18px;height:18px;color:var(--accent)}

/* ---------- Section shell ---------- */
section.block{padding:100px 24px}
.section-head{text-align:center;max-width:720px;margin:0 auto 60px}
.section-head h2{
  font-size:clamp(30px,4.4vw,46px);line-height:1.08;letter-spacing:-.03em;
  font-weight:700;margin:0;
}
.section-head p{font-size:clamp(17px,2vw,20px);color:var(--muted);margin:18px auto 0;max-width:560px;line-height:1.5}

/* ---------- Feature grid ---------- */
.features{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.feature{
  position:relative;background:var(--card);border:1px solid var(--border);
  border-radius:24px;padding:34px 32px;overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s ease,border-color .3s ease;
}
.feature::after{
  content:"";position:absolute;inset:0;border-radius:24px;padding:1px;
  background:linear-gradient(140deg,color-mix(in srgb,var(--accent) 40%,transparent),transparent 40%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .3s ease;
}
.feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--border-strong)}
.feature:hover::after{opacity:1}
.feature .ico{
  width:52px;height:52px;border-radius:15px;display:flex;align-items:center;justify-content:center;
  background:color-mix(in srgb,var(--accent) 12%,transparent);
  color:var(--accent);margin-bottom:22px;
}
.feature .ico svg{width:26px;height:26px}
.feature h3{margin:0 0 10px;font-size:21px;font-weight:600;letter-spacing:-.02em}
.feature p{margin:0;color:var(--muted);font-size:16px;line-height:1.55}

/* ---------- Alternating showcase rows ---------- */
.showcase{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;max-width:1000px;margin:0 auto}
.showcase + .showcase{margin-top:120px}
.showcase.rev .sc-text{order:2}
.sc-text .eyebrow{margin-bottom:12px}
.sc-text h3{font-size:clamp(26px,3.4vw,36px);letter-spacing:-.03em;font-weight:700;margin:0 0 16px;line-height:1.1}
.sc-text p{color:var(--muted);font-size:17px;line-height:1.6;margin:0 0 22px}
.sc-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}
.sc-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--fg-soft)}
.sc-list li svg{width:20px;height:20px;color:var(--accent);flex:none;margin-top:1px}
.sc-visual{
  border-radius:28px;padding:40px;min-height:300px;position:relative;overflow:hidden;
  background:var(--card-2);border:1px solid var(--border);box-shadow:var(--shadow-md);
  display:flex;align-items:center;justify-content:center;
}
.sc-visual .halo{position:absolute;inset:0;background:
  radial-gradient(50% 50% at 30% 20%,var(--glow-1),transparent 70%),
  radial-gradient(50% 50% at 80% 80%,var(--glow-2),transparent 70%);opacity:.7}

/* mini widgets inside showcase visuals */
.widget{position:relative;z-index:1;width:100%;max-width:280px;display:flex;flex-direction:column;gap:12px}
.w-card{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:16px 18px;box-shadow:var(--shadow-sm)}
.w-row{display:flex;justify-content:space-between;align-items:center;gap:10px}
.w-lbl{font-size:13px;color:var(--muted)}
.w-val{font-size:20px;font-weight:700;letter-spacing:-.02em}
.w-bar{height:8px;border-radius:6px;background:color-mix(in srgb,var(--fg) 8%,transparent);margin-top:12px;overflow:hidden}
.w-bar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--accent),var(--accent-3))}
.chat-bubble{background:color-mix(in srgb,var(--accent) 12%,transparent);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);
  border-radius:16px 16px 16px 4px;padding:12px 14px;font-size:13.5px;color:var(--fg-soft);align-self:flex-start;max-width:92%}
.chat-bubble.me{background:var(--accent);color:#fff;border-color:transparent;border-radius:16px 16px 4px 16px;align-self:flex-end}

/* ---------- Metrics ---------- */
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:900px;margin:0 auto;text-align:center}
.metric .num{font-size:clamp(38px,5vw,56px);font-weight:700;letter-spacing:-.03em;
  background:linear-gradient(120deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.metric .lbl{color:var(--muted);font-size:15px;margin-top:6px}

/* ---------- Privacy band ---------- */
.band{
  position:relative;border-radius:32px;padding:72px 40px;text-align:center;overflow:hidden;
  background:var(--card-2);border:1px solid var(--border);box-shadow:var(--shadow-md);
}
.band .halo{position:absolute;inset:0;background:
  radial-gradient(40% 60% at 20% 10%,var(--glow-2),transparent 70%),
  radial-gradient(40% 60% at 85% 90%,var(--glow-3),transparent 70%);opacity:.6}
.band-inner{position:relative;z-index:1;max-width:640px;margin:0 auto}
.band .ico-lg{
  width:64px;height:64px;border-radius:19px;margin:0 auto 24px;display:flex;align-items:center;justify-content:center;
  background:color-mix(in srgb,var(--accent) 12%,transparent);color:var(--accent);
}
.band .ico-lg svg{width:32px;height:32px}
.band h2{font-size:clamp(28px,3.8vw,40px);letter-spacing:-.03em;font-weight:700;margin:0 0 16px}
.band p{color:var(--muted);font-size:18px;line-height:1.55;margin:0 auto 30px;max-width:520px}
.band .cta{margin-top:4px}

/* ---------- Final CTA ---------- */
.final{text-align:center;padding:120px 24px 40px}
.final h2{font-size:clamp(34px,5.4vw,58px);letter-spacing:-.035em;font-weight:700;margin:0 auto 22px;max-width:16ch;line-height:1.05}
.final p{color:var(--muted);font-size:clamp(17px,2vw,20px);margin:0 auto 34px;max-width:520px}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--hairline);margin-top:40px;padding:48px 0 60px;color:var(--muted)}
footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.foot-brand .brand{margin-bottom:14px}
.foot-brand p{font-size:14px;color:var(--muted);max-width:280px;margin:0}
.foot-col h4{font-size:13px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--fg-soft);margin:0 0 14px}
.foot-col a{display:block;color:var(--muted);font-size:14.5px;padding:5px 0;transition:color .2s ease}
.foot-col a:hover{color:var(--fg);text-decoration:none}
.foot-bottom{max-width:1120px;margin:36px auto 0;padding:22px 24px 0;border-top:1px solid var(--hairline);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:var(--muted-2)}

/* ---------- Legal pages (privacy / terms / support) ---------- */
.content{max-width:820px;margin:0 auto;padding:0 24px}
.toggle{display:inline-flex;background:var(--card);border:1px solid var(--border);border-radius:980px;padding:4px}
.toggle button{border:0;background:transparent;color:var(--muted);padding:8px 18px;border-radius:980px;font-weight:600;cursor:pointer;font-size:14px;transition:all .2s ease}
.toggle button.active{background:var(--accent);color:#fff}
article{background:var(--card);border:1px solid var(--border);border-radius:22px;padding:38px 40px;margin-top:24px;box-shadow:var(--shadow-sm)}
article h1{font-size:clamp(30px,4vw,40px);letter-spacing:-.03em;font-weight:700;margin:.1em 0 .3em}
article h2{font-size:22px;letter-spacing:-.02em;font-weight:600;margin:1.6em 0 .5em;text-align:left}
article blockquote{border-left:3px solid var(--accent);margin:1em 0;padding:.5em 1.1em;color:var(--muted);background:color-mix(in srgb,var(--fg) 4%,transparent);border-radius:0 10px 10px 0;font-size:15px}
article ul{padding-left:1.2em}
article li{margin:.35em 0}
.eff{color:var(--muted);font-size:14px;margin:0 0 1em}
.lang{display:none}
.lang.show{display:block}
.pagehead{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin:40px 0 6px}
strong{color:var(--fg);font-weight:600}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .showcase{grid-template-columns:1fr;gap:36px}
  .showcase.rev .sc-text{order:0}
  .sc-visual{min-height:240px;padding:32px}
  footer .wrap{grid-template-columns:1fr 1fr}
  .foot-brand{grid-column:1 / -1}
}
@media (max-width:640px){
  body{font-size:16px}
  section.block{padding:72px 20px}
  .hero{padding:76px 20px 56px}
  .features{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr;gap:34px}
  .nav-links a:not(.lang-btn){display:none}
  .nav-links .lang-btn{display:inline-flex}
  .band{padding:52px 24px}
  footer .wrap{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column}
}