/* =============================================================
   style.css: TOT aspectul si animatiile
   -------------------------------------------------------------
   Organizat pe sectiuni:
   1. Variabile (culori, spatiere), "sistemul de design"
   2. Reset & baza
   3. Fundal aurora
   4. Meniul (nav)
   5. Butoane
   6. Panouri & animatia de schimbare
   7. Hero (acasa)
   8. Carduri
   9. Efect "glass" (sticla)
   10. Calculator
   11. Disponibilitate
   12. Reguli (acordeon)
   13. Solicitari (formular + lista)
   14. Subsol
   15. Animatii (reveal la scroll)
   16. Responsive (telefon)
   ============================================================= */

/* ---------- 1. VARIABILE : sistemul de design ---------- */
:root {
  /* Culori de fundal (de la cel mai inchis) */
  --bg-0: #07070c;          /* fundalul cel mai adanc */
  --bg-1: #0e0e17;          /* panouri */
  --bg-glass: rgba(255,255,255,0.045);   /* sticla */
  --border: rgba(255,255,255,0.09);      /* margini fine */
  --border-tare: rgba(255,255,255,0.16);

  /* Text */
  --text: #eef0f6;          /* text principal */
  --text-slab: #9aa0b4;     /* text secundar, mai stins */

  /* Accente (gradientul semnatura: cyan -> violet) */
  --accent-1: #22d3ee;      /* cyan electric */
  --accent-2: #a855f7;      /* violet */
  --grad: linear-gradient(120deg, var(--accent-1), var(--accent-2));

  /* Semnale (verde = liber, rosu = ocupat) */
  --verde: #34d399;
  --rosu:  #f87171;
  --auriu: #fbbf24;         /* stele */

  /* Spatiere consistenta (respiratia designului) */
  --sp-1: 8px;  --sp-2: 16px; --sp-3: 24px; --sp-4: 40px; --sp-5: 64px;

  /* Colturi rotunjite */
  --radius: 16px;
  --radius-mic: 10px;

  /* Umbre (dau profunzime) */
  --umbra: 0 20px 50px -20px rgba(0,0,0,0.7);
  --glow: 0 0 30px -6px rgba(34,211,238,0.5);
}

/* ---------- 2. RESET & BAZA ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

/* color-scheme: dark spune browserului sa foloseasca scrollbar,
   inputuri si meniuri native in varianta intunecata. */
:root { color-scheme: dark; }

body {
  font-family: "Hanken Grotesk", system-ui, -apple-system, sans-serif;
  background: var(--bg-0);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;               /* fara scroll pe orizontala */
  min-height: 100vh;
  /* touch-action: elimina intarzierea de 300ms la tap pe telefon */
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

h1, h2, h3, .logo-text {
  font-family: "Fraunces", Georgia, "Times New Roman", serif;
  line-height: 1.12;
  letter-spacing: -0.01em;
  text-wrap: balance;               /* evita cuvinte orfane pe titluri */
}
p { text-wrap: pretty; }

/* Skip link: ascuns pana la focus (Tab), apoi apare sus */
.skip-link {
  position: fixed; top: -60px; left: 16px; z-index: 100;
  background: var(--grad); color: #fff; font-weight: 600;
  padding: 10px 18px; border-radius: var(--radius-mic);
  text-decoration: none; transition: top .2s ease;
}
.skip-link:focus-visible { top: 16px; }

/* Focus vizibil pe TOATE elementele interactive (accesibilitate) */
:focus-visible {
  outline: 2px solid var(--accent-1);
  outline-offset: 3px;
  border-radius: 6px;
}

/* Textul cu gradient (folosit pe cuvinte-cheie din titluri) */
.text-gradient {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- 3. FUNDAL AURORA (pete de lumina care se misca) ---------- */
.fundal-aurora {
  position: fixed;
  inset: 0;                         /* acopera tot ecranul */
  z-index: -1;                      /* in spatele continutului */
  overflow: hidden;
}
.blob {
  position: absolute;
  width: 45vw; height: 45vw;
  border-radius: 50%;
  filter: blur(90px);               /* efectul de "ceata luminoasa" */
  opacity: 0.35;
}
.blob-1 {
  background: var(--accent-1);
  top: -10%; left: -5%;
  animation: plutire 18s ease-in-out infinite;
}
.blob-2 {
  background: var(--accent-2);
  bottom: -15%; right: -5%;
  animation: plutire 22s ease-in-out infinite reverse;
}
/* Miscarea lenta a petelor */
@keyframes plutire {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(6vw, 5vh) scale(1.15); }
}

/* Grain: o textura fina de "zgomot" peste tot, ca sa nu para steril.
   Zgomotul e generat cu un filtru SVG pus ca imagine de fundal. */
.grain {
  position: absolute; inset: 0;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- 4. MENIUL (nav) ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--sp-2) var(--sp-4);
  background: rgba(10,10,18,0.6);
  backdrop-filter: blur(16px);      /* efect de sticla peste continut */
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: transform .35s ease;  /* pentru ascunderea la scroll */
}
/* Cand derulezi in jos, nav-ul se ridica si dispare */
.nav.ascuns { transform: translateY(-100%); }
.nav-logo { display: flex; align-items: center; gap: var(--sp-1); font-weight: 700; }
.logo-mark {
  color: var(--accent-1);
  font-size: 1.3rem;
  filter: drop-shadow(0 0 8px var(--accent-1));
}
.logo-text { font-size: 1.1rem; }

.nav-links { display: flex; gap: var(--sp-1); }
.nav-btn {
  background: none; border: none; cursor: pointer;
  color: var(--text-slab);
  font: inherit; font-weight: 500;
  padding: 8px 16px; border-radius: 999px;
  transition: color .2s, background .2s;
}
.nav-btn:hover { color: var(--text); background: rgba(255,255,255,0.05); }
/* Butonul activ primeste gradientul */
.nav-btn.activ {
  color: #fff;
  background: var(--grad);
  box-shadow: var(--glow);
}

/* Hamburgerul (ascuns pe desktop, apare pe telefon) */
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .3s, opacity .3s; }

/* ---------- 5. BUTOANE ---------- */
.btn {
  font: inherit; font-weight: 600; cursor: pointer;
  padding: 13px 26px; border-radius: 999px;
  border: 1px solid transparent;
  transition: transform .15s, box-shadow .25s, background .25s;
}
.btn:active { transform: scale(0.97); }         /* micro-feedback la apasare */
.btn-primar {
  background: var(--grad); color: #fff; border: none;
  box-shadow: var(--glow);
}
.btn-primar:hover { transform: translateY(-2px); box-shadow: 0 0 40px -4px rgba(168,85,247,0.6); }
.btn-fantoma {
  background: rgba(255,255,255,0.04); color: var(--text);
  border: 1px solid var(--border-tare);
}
.btn-fantoma:hover { background: rgba(255,255,255,0.09); transform: translateY(-2px); }
.btn-full { width: 100%; }

/* ---------- 6. PANOURI & animatia de schimbare ---------- */
main { max-width: 1180px; margin: 0 auto; padding: var(--sp-5) var(--sp-4); }

.panel { display: none; }
.panel.activ {
  display: block;
  animation: intrarePanel .5s ease both;   /* apare lin la schimbare */
}
@keyframes intrarePanel {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Antetul fiecarui panou */
.panel-antet { text-align: center; margin-bottom: var(--sp-5); }
.panel-antet h2 { font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: var(--sp-1); }
.panel-antet p { color: var(--text-slab); max-width: 560px; margin: 0 auto; }

/* ---------- 7. HERO (acasa) ---------- */
.hero { text-align: center; padding: var(--sp-4) 0 var(--sp-5); }
.hero-eticheta {
  display: inline-block;
  color: var(--accent-1); font-weight: 600; font-size: .85rem;
  letter-spacing: .12em; text-transform: uppercase;
  padding: 6px 16px; border: 1px solid var(--border);
  border-radius: 999px; margin-bottom: var(--sp-3);
  background: rgba(34,211,238,0.06);
}
.hero-titlu { font-size: clamp(2.4rem, 6vw, 4.2rem); margin-bottom: var(--sp-3); }
.hero-subtitlu { color: var(--text-slab); font-size: 1.1rem; max-width: 620px; margin: 0 auto var(--sp-4); }
.hero-actiuni { display: flex; gap: var(--sp-2); justify-content: center; flex-wrap: wrap; margin-bottom: var(--sp-5); }

.hero-statistici {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-2); max-width: 640px; margin: 0 auto;
}
.stat {
  padding: var(--sp-3) var(--sp-2);
  background: var(--bg-glass); border: 1px solid var(--border);
  border-radius: var(--radius);
}
.stat strong { display: block; font-size: 1.9rem; font-family: "Fraunces", Georgia, serif; font-variant-numeric: tabular-nums; }
.stat span { color: var(--text-slab); font-size: .85rem; }

/* ---------- 8. CARDURI (functii de pe acasa) ---------- */
.carduri-functii {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-3);
}
.card-functie {
  text-align: left; cursor: pointer;
  background: var(--bg-glass); border: 1px solid var(--border);
  border-radius: var(--radius); padding: var(--sp-4);
  color: var(--text); font: inherit;
  transition: transform .25s, border-color .25s, box-shadow .25s;
  position: relative; overflow: hidden;
}
/* Linia luminoasa care apare sus la hover */
.card-functie::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--grad); transform: scaleX(0); transform-origin: left;
  transition: transform .3s;
}
.card-functie:hover { transform: translateY(-6px); border-color: var(--border-tare); box-shadow: var(--umbra); }
.card-functie:hover::before { transform: scaleX(1); }
.card-icon { font-size: 2rem; display: block; margin-bottom: var(--sp-2); }
.card-functie h3 { font-size: 1.25rem; margin-bottom: var(--sp-1); }
.card-functie p { color: var(--text-slab); font-size: .95rem; margin-bottom: var(--sp-2); }
.card-link { color: var(--accent-1); font-weight: 600; font-size: .9rem; }

/* ---------- 9. EFECT GLASS (sticla) ---------- */
.glass {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--sp-4);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* ---------- CAMPURI de formular (comune) ---------- */
.camp { margin-bottom: var(--sp-3); }
.camp label { display: block; font-size: .9rem; font-weight: 500; margin-bottom: var(--sp-1); color: var(--text-slab); }
.camp input[type="text"],
.camp input[type="number"],
.camp textarea,
.camp select {
  width: 100%; font: inherit; color: var(--text);
  background: rgba(0,0,0,0.25); border: 1px solid var(--border);
  border-radius: var(--radius-mic); padding: 12px 14px;
  transition: border-color .2s, box-shadow .2s;
}
.camp input:focus, .camp textarea:focus, .camp select:focus {
  outline: none; border-color: var(--accent-1);
  box-shadow: 0 0 0 3px rgba(34,211,238,0.15);   /* inelul luminos la focus */
}
.camp textarea { resize: vertical; }
.camp select option { background: var(--bg-1); }

.camp-input { position: relative; }
.camp-input .unitate {
  position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  color: var(--text-slab); font-size: .9rem; pointer-events: none;
}

/* Slidere (range) */
.camp input[type="range"] {
  width: 100%; accent-color: var(--accent-1);
}
.camp-checkbox { display: flex; align-items: center; gap: var(--sp-1); cursor: pointer; }
.camp-checkbox input { width: 18px; height: 18px; accent-color: var(--accent-1); }

/* ---------- 10. CALCULATOR ---------- */
.calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-3); align-items: start; }
.calc-nota { font-size: .8rem; color: var(--text-slab); margin-top: var(--sp-2); }
.calc-nota code { background: rgba(255,255,255,0.08); padding: 2px 6px; border-radius: 5px; }

.calc-rezultat { text-align: center; }
.rezultat-eticheta { color: var(--text-slab); font-size: .9rem; }
.rezultat-total {
  font-family: "Fraunces", Georgia, serif; font-weight: 700;
  font-size: clamp(2.6rem, 7vw, 3.6rem); margin: var(--sp-1) 0 var(--sp-3);
  font-variant-numeric: tabular-nums;
}
.rezultat-detalii li span:last-child { font-variant-numeric: tabular-nums; }
.rezultat-total .lei { font-size: 1.4rem; color: var(--text-slab); }
#total-valoare {
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.rezultat-detalii { list-style: none; text-align: left; }
.rezultat-detalii li {
  display: flex; justify-content: space-between;
  padding: 11px 0; border-bottom: 1px dashed var(--border);
  color: var(--text-slab); font-size: .95rem;
}
.rezultat-detalii li span:last-child { color: var(--text); font-weight: 500; }
.detaliu-subtotal { color: var(--text) !important; font-weight: 600; }

/* ---------- 11. DISPONIBILITATE ---------- */
.filtre {
  display: grid; grid-template-columns: 1fr 1fr 1fr auto;
  gap: var(--sp-3); align-items: center; margin-bottom: var(--sp-4);
}
.filtre .camp { margin-bottom: 0; }

.spatii-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-3); }
.spatiu {
  background: var(--bg-glass); border: 1px solid var(--border);
  border-radius: var(--radius); padding: var(--sp-3);
  transition: transform .2s, border-color .2s;
  animation: intrarePanel .4s ease both;
}
.spatiu:hover { transform: translateY(-4px); border-color: var(--border-tare); }
.spatiu-antet { display: flex; justify-content: space-between; align-items: start; margin-bottom: var(--sp-2); }
.spatiu-nume { font-family: "Fraunces", Georgia, serif; font-weight: 600; font-size: 1.05rem; }
.spatiu-etaj { color: var(--text-slab); font-size: .8rem; }
.spatiu-badge { font-size: .72rem; font-weight: 600; padding: 4px 10px; border-radius: 999px; white-space: nowrap; }
.badge-liber { color: var(--verde); background: rgba(52,211,153,0.12); border: 1px solid rgba(52,211,153,0.3); }
.badge-ocupat { color: var(--rosu); background: rgba(248,113,113,0.12); border: 1px solid rgba(248,113,113,0.3); }
.spatiu-detalii { display: flex; gap: var(--sp-3); color: var(--text-slab); font-size: .85rem; margin-bottom: var(--sp-2); }
.spatiu-pret { font-family: "Fraunces", Georgia, serif; font-size: 1.4rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.spatiu-pret span { font-size: .85rem; color: var(--text-slab); font-weight: 400; }
.spatii-gol { grid-column: 1 / -1; text-align: center; color: var(--text-slab); padding: var(--sp-5); }

/* ---------- 12. REGULI (acordeon) ---------- */
.acordeon { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: var(--sp-2); }
.acord-item { background: var(--bg-glass); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.acord-cap {
  width: 100%; text-align: left; cursor: pointer;
  background: none; border: none; color: var(--text); font: inherit;
  display: flex; align-items: center; gap: var(--sp-2);
  padding: var(--sp-3); font-weight: 600; font-size: 1.05rem;
}
.acord-cap .acord-icon { font-size: 1.4rem; }
.acord-cap .acord-sageata { margin-left: auto; transition: transform .3s; color: var(--accent-1); }
.acord-item.deschis .acord-sageata { transform: rotate(180deg); }
/* Trucul de animatie: max-height de la 0 la o valoare mare */
.acord-corp { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.acord-item.deschis .acord-corp { max-height: 500px; }
.acord-corp ul { list-style: none; padding: 0 var(--sp-3) var(--sp-3) var(--sp-4); }
.acord-corp li { color: var(--text-slab); padding: 7px 0; position: relative; padding-left: 22px; }
.acord-corp li::before { content: "▹"; position: absolute; left: 0; color: var(--accent-1); }

/* ---------- 13. SOLICITARI ---------- */
.solic-grid { display: grid; grid-template-columns: 400px 1fr; gap: var(--sp-4); align-items: start; }

/* Segmente (Solicitare / Recenzie / Sugestie) */
.segmente { display: flex; background: rgba(0,0,0,0.25); border: 1px solid var(--border); border-radius: 999px; padding: 4px; }
.segment {
  flex: 1; background: none; border: none; cursor: pointer;
  color: var(--text-slab); font: inherit; font-weight: 500; font-size: .9rem;
  padding: 8px; border-radius: 999px; transition: color .2s, background .2s;
}
.segment.activ { background: var(--grad); color: #fff; }

/* Stele input */
.stele-input { display: flex; gap: 4px; }
.stele-input button {
  background: none; border: none; cursor: pointer;
  font-size: 1.8rem; color: var(--border-tare); transition: color .15s, transform .15s;
}
.stele-input button:hover { transform: scale(1.15); }
.stele-input button.aprins { color: var(--auriu); }

/* Antetul listei + chips de filtrare */
.solic-lista-antet { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--sp-3); flex-wrap: wrap; gap: var(--sp-2); }
.filtre-tip { display: flex; gap: var(--sp-1); flex-wrap: wrap; }
.chip {
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  color: var(--text-slab); font: inherit; font-size: .82rem; cursor: pointer;
  padding: 6px 14px; border-radius: 999px; transition: color .2s, background .2s, border-color .2s;
}
.chip:hover { color: var(--text); }
.chip.activ { background: var(--grad); color: #fff; border-color: transparent; }

/* Cardurile din lista */
.solic-lista { display: flex; flex-direction: column; gap: var(--sp-2); }
.solic-card {
  background: var(--bg-glass); border: 1px solid var(--border);
  border-radius: var(--radius); padding: var(--sp-3);
  animation: intrarePanel .4s ease both;
}
.solic-card-antet { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--sp-1); }
.solic-nume { font-weight: 600; }
.solic-firma { color: var(--text-slab); font-size: .82rem; }
.solic-tip { font-size: .7rem; font-weight: 600; padding: 3px 10px; border-radius: 999px; text-transform: uppercase; letter-spacing: .04em; }
.tip-solicitare { color: var(--accent-1); background: rgba(34,211,238,0.12); }
.tip-recenzie   { color: var(--auriu); background: rgba(251,191,36,0.12); }
.tip-sugestie   { color: var(--accent-2); background: rgba(168,85,247,0.14); }
.solic-mesaj { color: var(--text-slab); font-size: .95rem; margin: var(--sp-1) 0; overflow-wrap: break-word; }

/* Mesajul de confirmare de sub formular */
.form-feedback {
  margin-top: var(--sp-2); text-align: center; font-size: .9rem; font-weight: 500;
  color: var(--verde);
}
.solic-stele { color: var(--auriu); letter-spacing: 2px; }
.solic-data { color: var(--text-slab); font-size: .78rem; }

/* ---------- 14. SUBSOL ---------- */
.subsol {
  text-align: center; padding: var(--sp-5) var(--sp-4) var(--sp-4);
  border-top: 1px solid var(--border); color: var(--text-slab);
}
.subsol-mic { font-size: .8rem; opacity: .7; margin-top: 4px; }

/* ---------- 15. ANIMATII : reveal la scroll ---------- */
/* Elementele cu .reveal incep invizibile si "urca" cand devin vizibile */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.vizibil { opacity: 1; transform: translateY(0); }

/* Intrare ESALONATA (staggered): fiecare element din hero apare cu o
   mica intarziere fata de precedentul, ca o cascada eleganta. */
.hero-eticheta { transition-delay: .05s; }
.hero-titlu    { transition-delay: .15s; }
.hero-subtitlu { transition-delay: .25s; }
.hero-actiuni  { transition-delay: .35s; }
.hero-statistici .stat:nth-child(1) { transition-delay: .45s; }
.hero-statistici .stat:nth-child(2) { transition-delay: .55s; }
.hero-statistici .stat:nth-child(3) { transition-delay: .65s; }
.hero-statistici .stat:nth-child(4) { transition-delay: .75s; }
/* La fel pentru cardurile de functii */
.carduri-functii .card-functie:nth-child(1) { transition-delay: .1s; }
.carduri-functii .card-functie:nth-child(2) { transition-delay: .2s; }
.carduri-functii .card-functie:nth-child(3) { transition-delay: .3s; }
.carduri-functii .card-functie:nth-child(4) { transition-delay: .4s; }

/* Respectam preferinta de "miscare redusa" (accesibilitate) */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- 16. RESPONSIVE (telefon & tableta) ---------- */
@media (max-width: 900px) {
  .calc-grid, .solic-grid, .filtre { grid-template-columns: 1fr; }
  .carduri-functii { grid-template-columns: 1fr; }
  .spatii-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  main { padding: var(--sp-4) var(--sp-2); }
  .nav { padding: var(--sp-2); }

  /* Meniul devine vertical, ascuns pana la apasare pe hamburger */
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 4px; padding: var(--sp-2);
    background: rgba(10,10,18,0.95); backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    display: none;
  }
  .nav-links.deschis { display: flex; }
  .nav-btn { width: 100%; text-align: left; }

  .hero-statistici { grid-template-columns: repeat(2, 1fr); }
  .spatii-grid { grid-template-columns: 1fr; }
}