/* ============================================================
   CIVICO 21 — Eurocostruzioni
   Landing page — nuove costruzioni Mogliano Veneto
   ============================================================ */

:root {
  --font:      'DM Sans', sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  --black:     #0f0f0f;
  --dark:      #1a1a1a;
  --gray-900:  #262626;
  --gray-700:  #404040;
  --gray-500:  #737373;
  --gray-300:  #b5b5b5;
  --gray-100:  #f0eeeb;
  --sand:      #f5f3ef;
  --white:     #ffffff;
  --accent:    #8cb63c;
  --accent-dk: #6d9a1f;
  --radius:    6px;
  --ease:      cubic-bezier(.25,.46,.45,.94);
}

/* RESET */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--gray-700);background:var(--white);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}

.container{width:100%;max-width:1120px;margin:0 auto;padding:0 1.5rem}

/* ======================== TOPBAR ======================== */
.topbar{position:sticky;top:0;z-index:500;background:rgba(255,255,255,.97);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(0,0,0,.06)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.topbar-logo{height:30px;width:auto}
.topbar-nav{display:flex;align-items:center;gap:2rem}
.topbar-link{font-size:.8rem;font-weight:500;color:var(--gray-500);letter-spacing:.02em;transition:color .2s}
.topbar-link:hover{color:var(--black)}
.topbar-cta{font-size:.78rem;font-weight:600;color:var(--white);background:var(--black);padding:.55rem 1.25rem;border-radius:var(--radius);letter-spacing:.01em;transition:background .2s}
.topbar-cta:hover{background:var(--gray-900)}

@media(max-width:640px){
  .topbar-link{display:none}
  .topbar-cta{font-size:.75rem;padding:.5rem 1rem}
}

/* ======================== HERO ======================== */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;background:var(--black)}
.hero-media{position:absolute;inset:0}
.hero-img{width:100%;height:100%;object-fit:cover;object-position:center 35%}
.hero-gradient{position:absolute;inset:0;background:linear-gradient(to top,rgba(15,15,15,.88) 0%,rgba(15,15,15,.45) 40%,rgba(15,15,15,.15) 70%,rgba(15,15,15,.3) 100%)}
.hero-body{position:relative;z-index:2;padding-bottom:4rem;padding-top:6rem;width:100%}
.hero-text{max-width:640px}
.hero-tag{font-size:.72rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin-bottom:1.25rem}
.hero-title{font-family:var(--font-display);font-size:clamp(3rem,8vw,5.5rem);font-weight:400;color:var(--white);line-height:1;letter-spacing:-.02em;margin-bottom:1rem}
.hero-sub{font-size:clamp(1rem,2vw,1.15rem);color:rgba(255,255,255,.65);line-height:1.6;margin-bottom:2rem;max-width:420px}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--font);font-size:.82rem;font-weight:600;letter-spacing:.04em;padding:.85rem 2rem;border-radius:var(--radius);border:none;cursor:pointer;transition:all .2s var(--ease);text-decoration:none;background:var(--accent);color:var(--black)}
.btn:hover{background:var(--accent-dk)}
.btn:active{transform:scale(.98)}
.btn--outline{background:transparent;border:1.5px solid var(--gray-300);color:var(--black)}
.btn--outline:hover{border-color:var(--black);background:rgba(0,0,0,.03)}
.btn--full{width:100%;padding:1rem;font-size:.85rem}

/* ======================== STRIP ======================== */
.strip{background:var(--black);padding:1.5rem 0;border-bottom:1px solid rgba(255,255,255,.08)}
.strip-row{display:flex;align-items:center;justify-content:center;gap:2rem;flex-wrap:wrap}
.strip-item{text-align:center}
.strip-value{display:block;font-weight:600;font-size:.88rem;color:var(--white);letter-spacing:.01em}
.strip-label{display:block;font-size:.72rem;color:var(--gray-500);margin-top:.1rem;letter-spacing:.02em}
.strip-divider{width:1px;height:28px;background:rgba(255,255,255,.12)}
@media(max-width:640px){.strip-divider{display:none}.strip-row{gap:1.5rem}.strip-item{flex:1 1 auto;min-width:120px}}

/* ======================== SECTIONS ======================== */
.section{padding:5rem 0}
.section--sand{background:var(--sand)}
.section--dark{background:var(--dark);color:var(--white)}

.overline{font-size:.68rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);margin-bottom:.5rem}
.overline--light{color:var(--accent)}

.section-title{font-family:var(--font-display);font-size:clamp(1.7rem,3.5vw,2.6rem);font-weight:400;color:var(--black);line-height:1.15;letter-spacing:-.01em}
.section-title--light{color:var(--white)}
.section-head{margin-bottom:3rem}

/* ======================== STEPS ======================== */
.steps{display:grid;grid-template-columns:1fr;gap:2rem}
.step{padding:2rem;background:var(--sand);border-radius:var(--radius);border:1px solid rgba(0,0,0,.04)}
.step-number{font-family:var(--font-display);font-size:2.5rem;font-weight:400;color:var(--gray-300);line-height:1;margin-bottom:.75rem}
.step-heading{font-size:.95rem;font-weight:600;color:var(--black);margin-bottom:.3rem}
.step-desc{font-size:.88rem;color:var(--gray-500);line-height:1.55}

@media(min-width:768px){.steps{grid-template-columns:repeat(3,1fr);gap:1.5rem}}

/* ======================== CARDS (tipologie) ======================== */
.cards-row{display:grid;grid-template-columns:1fr;gap:1.5rem}
.card{background:var(--white);border-radius:var(--radius);overflow:hidden;border:1px solid rgba(0,0,0,.06);transition:box-shadow .3s var(--ease),transform .3s var(--ease)}
.card:hover{box-shadow:0 20px 60px rgba(0,0,0,.08);transform:translateY(-2px)}
.card-image{background:var(--gray-100);padding:1.5rem;display:flex;align-items:center;justify-content:center}
.card-image img{width:100%;height:auto;max-height:520px;object-fit:contain}
.card-body{padding:1.25rem 1.5rem;display:flex;align-items:center;justify-content:space-between;border-top:1px solid rgba(0,0,0,.05)}
.card-title{font-size:.9rem;font-weight:600;color:var(--black)}
.card-link{font-size:.78rem;font-weight:600;color:var(--accent-dk);letter-spacing:.01em;transition:color .2s}
.card-link:hover{color:var(--accent)}

/* Le piante sono in formato landscape (Piano Terra + 1° Piano affiancati): una colonna sempre */

/* ======================== SPLIT (vantaggi) ======================== */
.split{display:grid;grid-template-columns:1fr;gap:3rem;align-items:start}
.split-left .section-title{margin-bottom:1.5rem}
.split-left .btn{margin-top:.5rem}

.check-list li{position:relative;padding:.9rem 0 .9rem 2rem;border-bottom:1px solid rgba(0,0,0,.06);font-size:.92rem;color:var(--gray-700);line-height:1.55}
.check-list li:last-child{border-bottom:none}
.check-list li::before{content:'';position:absolute;left:0;top:1.15rem;width:10px;height:5px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}

@media(min-width:768px){.split{grid-template-columns:1fr 1fr;gap:4rem}}

/* ======================== FORM ======================== */
.form-wrap{display:grid;grid-template-columns:1fr;gap:3rem;align-items:start}
.form-intro{font-size:.95rem;color:var(--gray-500);line-height:1.6;margin-bottom:1.5rem}

.form-trust{display:flex;flex-direction:column;gap:.65rem;margin-top:2rem}
.form-trust-item{display:flex;align-items:center;gap:.6rem;font-size:.82rem;color:var(--gray-300)}
.form-trust-item svg{width:18px;height:18px;flex-shrink:0;stroke:var(--accent)}

.form-card{background:var(--gray-900);padding:2rem;border-radius:var(--radius);border:1px solid rgba(255,255,255,.06)}

.field{margin-bottom:1.15rem}
.field label{display:block;font-size:.7rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--gray-500);margin-bottom:.35rem}
.field input,.field textarea{width:100%;padding:.8rem 1rem;font-family:var(--font);font-size:.95rem;color:var(--white);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);outline:none;transition:border .2s,box-shadow .2s}
.field input:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(140,182,60,.15)}
.field input::placeholder,.field textarea::placeholder{color:var(--gray-500);font-style:normal}
.field textarea{resize:vertical;min-height:80px}

.consent{display:flex;align-items:flex-start;gap:.65rem;font-size:.76rem;color:var(--gray-500);line-height:1.5;margin:1.25rem 0;cursor:pointer}
.consent input[type=checkbox]{margin-top:.15rem;width:16px;height:16px;accent-color:var(--accent);flex-shrink:0;cursor:pointer}

.form-success{display:none;text-align:center;padding:3rem 1rem}
.form-success.show{display:block}
.form-success-check{width:48px;height:48px;margin:0 auto 1rem}
.form-success h3{font-family:var(--font-display);font-size:1.4rem;font-weight:400;color:var(--white);margin-bottom:.4rem}
.form-success p{font-size:.9rem;color:var(--gray-500)}

.form-error{display:none;padding:.75rem 1rem;margin-bottom:1rem;background:rgba(220,60,60,.1);border:1px solid rgba(220,60,60,.2);border-radius:var(--radius);font-size:.82rem;color:#e8a0a0;text-align:center}
.form-error.show{display:block}

@media(min-width:768px){
  .form-wrap{grid-template-columns:1fr 1fr;gap:4rem}
  .form-card{padding:2.5rem}
}

/* ======================== FOOTER ======================== */
.footer{padding:2rem 0;border-top:1px solid rgba(0,0,0,.06)}
.footer-inner{display:flex;flex-direction:column;gap:.5rem}
.footer-note{font-size:.78rem;color:var(--gray-500)}
.footer-brand{font-size:.72rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--gray-700)}
@media(min-width:768px){.footer-inner{flex-direction:row;justify-content:space-between;align-items:center}}

/* ======================== REVEAL ANIMATION ======================== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* stagger children */
.steps .step:nth-child(2){transition-delay:.1s}
.steps .step:nth-child(3){transition-delay:.2s}
.cards-row .card:nth-child(2){transition-delay:.1s}
.check-list li:nth-child(2){transition-delay:.06s}
.check-list li:nth-child(3){transition-delay:.12s}
.check-list li:nth-child(4){transition-delay:.18s}
.check-list li:nth-child(5){transition-delay:.24s}

/* ======================== PRINT ======================== */
@media print{
  .topbar{position:static}
  .hero{min-height:auto;height:auto}
  .hero-media{position:static;height:260px}
  .hero-gradient{display:none}
  .section--dark{background:#f5f5f5;color:#222}
  .btn,.topbar-cta{background:#ddd;color:#000}
  .reveal{opacity:1;transform:none}
}
@page{size:A4;margin:1.5cm}

/* ======================== LIGHTBOX (planimetrie) ======================== */

/* Card-image trigger: cursor zoom + icona lente sempre visibile */
.card-image{position:relative;cursor:zoom-in;-webkit-tap-highlight-color:transparent;outline:none}
.card-image:focus-visible{box-shadow:inset 0 0 0 2px var(--accent)}
.card-image-zoom{position:absolute;top:.75rem;right:.75rem;width:36px;height:36px;border-radius:999px;background:rgba(255,255,255,.94);color:var(--black);display:inline-flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(0,0,0,.08);transition:transform .25s var(--ease),background .25s var(--ease);pointer-events:none}
.card-image:hover .card-image-zoom{transform:scale(1.08);background:#fff}

/* Body lock quando il lightbox e' aperto */
body.no-scroll{overflow:hidden;touch-action:none}

/* Overlay e contenuto */
.lightbox{position:fixed;inset:0;z-index:1000;background:rgba(10,12,16,.94);display:none;align-items:center;justify-content:center;padding:clamp(1rem,4vw,2.5rem);opacity:0;transition:opacity .22s var(--ease)}
.lightbox.is-open{display:flex;opacity:1}
.lightbox-figure{margin:0;max-width:100%;max-height:100%;display:flex;flex-direction:column;align-items:center;gap:1rem;animation:lb-pop .25s var(--ease)}
.lightbox-img{max-width:100%;max-height:calc(100vh - 8rem);object-fit:contain;border-radius:8px;background:#fff;box-shadow:0 20px 60px rgba(0,0,0,.5);user-select:none;-webkit-user-drag:none;cursor:default}
.lightbox-caption{font-size:.85rem;color:rgba(255,255,255,.78);text-align:center;letter-spacing:.02em;font-weight:500;max-width:48ch}
.lightbox-close{position:fixed;top:max(1rem,env(safe-area-inset-top));right:max(1rem,env(safe-area-inset-right));width:44px;height:44px;border-radius:999px;border:0;background:rgba(255,255,255,.12);color:#fff;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s var(--ease),transform .2s var(--ease);-webkit-tap-highlight-color:transparent}
.lightbox-close:hover,.lightbox-close:focus-visible{background:rgba(255,255,255,.22);outline:none}
.lightbox-close:active{transform:scale(.94)}

@keyframes lb-pop{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}

/* Riduce le animazioni se l'utente ha prefers-reduced-motion */
@media(prefers-reduced-motion:reduce){
  .lightbox,.lightbox-figure,.card-image-zoom{transition:none;animation:none}
}