/* ==========================================================================
   Termoidraulica D.E. — design system "td-" (luglio), niente framework.
   ========================================================================== */

@font-face {
  font-family: "Poppins";
  src: url("../fonts/poppins-600.woff2") format("woff2");
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: "Poppins";
  src: url("../fonts/poppins-700.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-var.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

:root{
  --blue-deep:   #0E4C75;
  --blue:        #1D7DC2;
  --azure:       #1CB0E8;
  --azure-dark:  #0E93C9;
  --blue-pale:   #EAF6FD;
  --blue-pale-2: #D8EEFB;
  --ink:         #16233A;
  --gray:        #5B6B7F;
  --gray-light:  #F5F9FC;
  --white:       #FFFFFF;
  --radius-sm:   10px;
  --radius-md:   18px;
  --radius-lg:   28px;
  --shadow-sm:   0 4px 14px rgba(14,76,117,0.10);
  --shadow-md:   0 12px 32px rgba(14,76,117,0.16);
  --shadow-lg:   0 24px 60px rgba(14,76,117,0.22);
  --ff-title:    'Poppins', Georgia, serif;
  --ff-body:     'Inter', system-ui, -apple-system, sans-serif;
  --container:   1180px;
}

/* ---------- Reset ---------- */
*, *::before, *::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; overflow-x:hidden; max-width:100%; }
body{
  font-family:var(--ff-body);
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  max-width:100%;
  width:100%;
  position:relative;
}
@media (min-width: 768px) { body { font-size: 18px; } }
img{ max-width:100%; display:block; height:auto; }
a{ text-decoration:none; color:inherit; }
ul{ list-style:none; }
button{ font-family:inherit; cursor:pointer; border:none; background:none; }
h1,h2,h3,h4{ font-family:var(--ff-title); color:var(--blue-deep); line-height:1.2; font-weight:700; text-wrap: balance; }
p { text-wrap: pretty; }

/* ---------- Layout helpers ---------- */
.td-container{ max-width:var(--container); margin:0 auto; padding:0 24px; }
.td-section{ padding:72px 0; }
.td-section--tight{ padding:48px 0; }
.td-section--dark, .td-section--navy{ background:linear-gradient(135deg, var(--blue-deep) 0%, #0A3D5F 100%); color:var(--white); }
.td-section--dark h2, .td-section--dark h3, .td-section--navy h2, .td-section--navy h3{ color:var(--white); }
.td-section--light{ background:var(--gray-light); }
.td-grid{ display:grid; gap:28px; }
.td-grid--2{ grid-template-columns:repeat(2,1fr); }
.td-grid--3{ grid-template-columns:repeat(3,1fr); }
.td-grid--4{ grid-template-columns:repeat(4,1fr); }
.td-eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--ff-title); font-weight:700; font-size:13px;
  letter-spacing:.06em; text-transform:uppercase; color:var(--azure-dark);
  background:var(--blue-pale); padding:6px 14px; border-radius:999px;
  margin-bottom:16px;
}
.td-title-lg{ font-size:clamp(2rem, 4.2vw, 3.2rem); }
.td-title-md{ font-size:clamp(1.6rem, 3vw, 2.3rem); }
.td-subtitle{ color:var(--gray); font-size:1.05rem; max-width:640px; }
.td-center{ text-align:center; margin-left:auto; margin-right:auto; }
.td-underline{ color:var(--azure); }

.td-stars{ display:flex; align-items:center; gap:10px; }
.td-stars__icons{ color:var(--azure); font-size:1.3rem; letter-spacing:2px; line-height:1; }
.td-stars__label{ font-size:.92rem; color:var(--gray); font-weight:500; }

/* ---------- Buttons ---------- */
.td-btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  font-family:var(--ff-title); font-weight:600; font-size:15px;
  padding:15px 28px; border-radius:999px; transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
  white-space:nowrap; min-height:48px;
}
.td-btn:active{ transform:scale(.97); }
.td-btn:focus-visible{ outline: 3px solid var(--blue-deep); outline-offset: 2px; }
.td-btn--call{
  background:linear-gradient(135deg, var(--azure) 0%, var(--blue) 100%);
  color:var(--white); box-shadow:0 10px 24px rgba(28,176,232,.35);
}
.td-btn--call:hover{ background:linear-gradient(135deg, var(--azure-dark) 0%, var(--blue) 100%); box-shadow:0 14px 30px rgba(28,176,232,.45); }
.td-btn--whatsapp{
  background:linear-gradient(135deg, var(--blue-deep) 0%, #0A3D5F 100%);
  color:var(--white); box-shadow:0 10px 24px rgba(14,76,117,.30);
}
.td-btn--whatsapp:hover{ background:linear-gradient(135deg, #0A3D5F 0%, #082F49 100%); }
.td-btn--outline{
  background:transparent; color:var(--white); border:2px solid rgba(255,255,255,.5);
}
.td-btn--outline:hover{ background:rgba(255,255,255,.12); border-color:var(--white); }
.td-btn--dark, .td-btn--navy{ background:linear-gradient(135deg, var(--blue-deep) 0%, #0A3D5F 100%); color:var(--white); }
.td-btn--dark:hover, .td-btn--navy:hover{ background:linear-gradient(135deg, #0A3D5F 0%, #082F49 100%); }
.td-btn--block{ width:100%; }
.td-cta-row{ display:flex; gap:14px; flex-wrap:wrap; }

/* ---------- Header / Nav ---------- */
.td-header{
  position:sticky; top:0; z-index:1000;
  background:rgba(255,255,255,.94); backdrop-filter:blur(10px);
  box-shadow:0 2px 18px rgba(14,76,117,.08);
}
.td-header__bar{
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 24px; max-width:var(--container); margin:0 auto; gap:16px;
}
.td-logo{ display:flex; align-items:center; gap:10px; flex-shrink:0; }
.td-logo img{ height:44px; width:auto; }
.td-nav{ display:flex; align-items:center; gap:32px; }
.td-nav a{
  font-family:var(--ff-title); font-weight:600; font-size:15px; color:var(--blue-deep);
  position:relative; padding:6px 0;
}
.td-nav a::after{
  content:''; position:absolute; left:0; bottom:0; height:2px; width:0;
  background:var(--azure); transition:width .25s ease;
}
.td-nav a:hover::after, .td-nav a[aria-current="page"]::after{ width:100%; }
.td-burger{
  display:none; flex-direction:column; gap:5px; width:30px; padding:6px;
}
.td-burger span{ height:3px; width:100%; background:var(--blue-deep); border-radius:3px; transition:.25s; }
.td-mobile-menu{
  display:none; position:fixed; inset:0; background:var(--blue-deep); z-index:1100;
  padding:28px 24px; flex-direction:column; gap:8px; overflow-y:auto;
}
.td-mobile-menu.is-open{ display:flex; }
.td-mobile-menu__top{ display:flex; justify-content:space-between; align-items:center; margin-bottom:24px; }
.td-mobile-menu__top img{ height:36px; }
.td-mobile-close{ width:34px; height:34px; position:relative; }
.td-mobile-close::before, .td-mobile-close::after{
  content:''; position:absolute; top:50%; left:0; width:100%; height:3px; background:var(--white);
}
.td-mobile-close::before{ transform:rotate(45deg); }
.td-mobile-close::after{ transform:rotate(-45deg); }
.td-mobile-menu a{
  color:var(--white); font-family:var(--ff-title); font-weight:600; font-size:22px; padding:14px 4px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.td-mobile-menu__cta{ margin-top:24px; display:flex; flex-direction:column; gap:12px; }

/* ---------- Sticky mobile call bar ---------- */
.td-stickybar{
  position:fixed; left:0; right:0; bottom:0; z-index:900;
  display:none; gap:1px; background:rgba(0,0,0,.08);
}
.td-stickybar a{
  flex:1; display:flex; align-items:center; justify-content:center; gap:8px;
  padding:14px 8px; font-family:var(--ff-title); font-weight:700; font-size:14px; color:var(--white);
  min-height:48px;
}
.td-stickybar a.call{ background:var(--azure); }
.td-stickybar a.whatsapp{ background:var(--blue-deep); }

/* ---------- Cards ---------- */
.td-card{
  background:var(--white); border-radius:var(--radius-md); padding:28px;
  box-shadow:var(--shadow-sm); transition:transform .25s ease, box-shadow .25s ease;
}
.td-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-md); }
.td-card__icon{
  width:56px; height:56px; border-radius:14px; background:var(--blue-pale);
  display:flex; align-items:center; justify-content:center; font-size:26px; margin-bottom:16px;
}
.td-card h3{ font-size:1.15rem; margin-bottom:8px; }
.td-card p{ color:var(--gray); font-size:.96rem; }

/* ---------- Badges / trust strip ---------- */
.td-brands{ display:flex; flex-wrap:wrap; gap:36px; align-items:center; justify-content:center; }
.td-brands img{
  height:36px; width:auto; max-width:120px; object-fit:contain;
  filter:grayscale(1) opacity(.55); transition:filter .25s ease;
}
.td-brands img:hover{ filter:grayscale(0) opacity(1); }

/* ---------- Emergency box ---------- */
.td-emergency{
  background:linear-gradient(135deg, var(--blue-deep) 0%, #0A3D5F 100%);
  border-radius:var(--radius-lg); padding:48px; color:var(--white);
  display:flex; align-items:center; justify-content:space-between; gap:32px; flex-wrap:wrap;
  position:relative; overflow:hidden;
}
.td-emergency::before{
  content:''; position:absolute; width:400px; height:400px; border-radius:50%;
  background:radial-gradient(circle, rgba(28,176,232,.30), transparent 70%);
  top:-150px; right:-100px;
}
.td-emergency__pulse{
  display:inline-flex; align-items:center; gap:8px; font-family:var(--ff-title);
  font-weight:700; font-size:13px; color:var(--azure); letter-spacing:.05em; text-transform:uppercase;
  margin-bottom:10px;
}
.td-dot{
  width:9px; height:9px; border-radius:50%; background:var(--azure);
  box-shadow:0 0 0 0 rgba(28,176,232,.6); animation:pulse 1.8s infinite;
}
@keyframes pulse{
  0%{ box-shadow:0 0 0 0 rgba(28,176,232,.6); }
  70%{ box-shadow:0 0 0 12px rgba(28,176,232,0); }
  100%{ box-shadow:0 0 0 0 rgba(28,176,232,0); }
}

/* ---------- Hero shape ---------- */
.td-hero-shape-wrap{ position:relative; width:105%; max-width:520px; margin:0 -5% 0 0; }
.td-hero-shape-wrap img{ width:100%; height:auto; display:block; position:relative; z-index:1; border-radius: var(--radius-lg); }

/* ---------- Before / After ---------- */
.td-ba{
  position:relative; border-radius:var(--radius-md); overflow:hidden; box-shadow:var(--shadow-md);
  border:3px solid var(--white); outline:1px solid var(--blue-pale-2);
}
.td-ba__imgs{ display:grid; grid-template-columns:1fr 1fr; }
.td-ba__imgs img{ height:280px; object-fit:cover; width:100%; }
.td-ba__divider{
  position:absolute; left:50%; top:0; bottom:0; width:4px; background:var(--white);
  transform:translateX(-50%); z-index:2;
}
.td-ba__tag{
  position:absolute; top:14px; font-family:var(--ff-title); font-weight:800; font-size:12px;
  letter-spacing:.05em; text-transform:uppercase; padding:7px 16px; border-radius:999px; color:var(--white);
  box-shadow:0 4px 12px rgba(0,0,0,.2); z-index:3;
}
.td-ba__tag--before{ left:14px; background:var(--gray); }
.td-ba__tag--after{ right:14px; background:var(--azure); }

/* ---------- Vantaggi ---------- */
.td-vantaggio{ display:flex; gap:16px; align-items:flex-start; }
.td-vantaggio__icon{
  flex-shrink:0; width:44px; height:44px; border-radius:12px; background:var(--blue-pale);
  display:flex; align-items:center; justify-content:center; font-size:20px;
}

/* ---------- Recensioni ---------- */
.td-reviews-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.td-review{
  position:relative; background:var(--white); border-radius:var(--radius-md);
  padding:32px 28px 28px; box-shadow:var(--shadow-sm); border:1px solid var(--blue-pale-2);
  transition:transform .25s ease, box-shadow .25s ease;
}
.td-review:hover{ transform:translateY(-6px); box-shadow:var(--shadow-md); }
.td-review__quote{
  position:absolute; top:-16px; left:28px; width:36px; height:36px; border-radius:50%;
  background:linear-gradient(135deg, var(--azure) 0%, var(--blue) 100%);
  color:var(--white); display:flex; align-items:center; justify-content:center;
  font-family:Georgia, serif; font-size:20px; font-weight:700; box-shadow:var(--shadow-sm);
}
.td-review__stars{ color:var(--azure); font-size:14px; letter-spacing:2px; margin-bottom:14px; }
.td-review p{ color:var(--ink); font-size:.96rem; line-height:1.65; margin-bottom:18px; }
.td-review__author{ display:flex; align-items:center; gap:12px; }
.td-review__avatar{
  width:40px; height:40px; border-radius:50%; background:var(--blue-pale);
  display:flex; align-items:center; justify-content:center; font-family:var(--ff-title);
  font-weight:700; color:var(--blue-deep); font-size:15px; flex-shrink:0;
}
.td-review__name{ font-family:var(--ff-title); font-weight:700; font-size:.92rem; color:var(--ink); }
.td-review__name span{ display:block; font-family:var(--ff-body); font-weight:400; color:var(--gray); font-size:.82rem; margin-top:1px; }

/* ---------- FAQ ---------- */
.td-faq details{ border-bottom: 1px solid var(--blue-pale-2); padding-block: 16px; }
.td-faq summary{ font-family: var(--ff-title); font-weight:600; cursor:pointer; list-style:none; padding-right: 24px; position: relative; }
.td-faq summary::-webkit-details-marker{ display:none; }
.td-faq summary::after{ content:"+"; position:absolute; right:0; top:0; font-weight:400; color:var(--azure-dark); font-size:1.2em; }
.td-faq details[open] summary::after{ content:"\2013"; }
.td-faq p{ color: var(--gray); margin-top: 10px; }

/* ---------- Form ---------- */
.td-form{ display:grid; gap:16px; max-width:560px; }
.td-form label{ font-family: var(--ff-title); font-weight:600; font-size:.95rem; display:block; margin-bottom:6px; }
.td-form input, .td-form select, .td-form textarea{
  width:100%; padding:12px 16px; font:inherit;
  border:1px solid var(--blue-pale-2); border-radius:var(--radius-sm); background:#fff; color:var(--ink);
}
.td-form input:focus, .td-form select:focus, .td-form textarea:focus{ outline:2px solid var(--azure); outline-offset:0; border-color:var(--azure); }
.td-form textarea{ min-height:130px; resize:vertical; }
.td-form__consenso{ display:flex; gap:8px; align-items:flex-start; font-size:.9rem; color:var(--gray); }
.td-form__consenso input{ width:auto; margin-top:4px; flex-shrink:0; }
.td-form__errore{ color:#b42318; font-size:.9rem; }

/* ---------- Pagine testuali (privacy, cookie, legal) ---------- */
.td-prose h1{ margin-bottom:6px; }
.td-prose h2{ font-size:1.25rem; margin:36px 0 10px; }
.td-prose p{ color:var(--ink); margin-bottom:14px; max-width:70ch; }
.td-prose p.tenue, .tenue{ color:var(--gray); font-size:.92rem; }
.td-btn--ghost{ background:transparent; color:var(--blue-deep); border:2px solid var(--blue-pale-2); }
.td-btn--ghost:hover{ border-color:var(--blue-deep); background:var(--blue-pale); }

/* ---------- Footer ---------- */
.td-footer{ background:linear-gradient(160deg, var(--blue-deep) 0%, #082F49 100%); color:rgba(255,255,255,.78); padding:64px 0 24px; }
.td-footer__grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:40px; margin-bottom:40px; }
.td-footer h4{ color:var(--white); font-size:1rem; margin-bottom:18px; }
.td-footer a{ color:rgba(255,255,255,.78); font-size:.95rem; transition:color .2s; }
.td-footer a:hover{ color:var(--azure); }
.td-footer ul li{ margin-bottom:10px; }
.td-footer__logo{ height:40px; margin-bottom:14px; filter: brightness(0) invert(1); }
.td-footer__bottom{
  border-top:1px solid rgba(255,255,255,.1); padding-top:24px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;
  font-size:.85rem; color:rgba(255,255,255,.5);
}

/* ---------- Floating WhatsApp (solo desktop, mobile usa la stickybar) ---------- */
.td-wa-float{
  position: fixed; right: 20px; bottom: 20px; z-index: 60;
  display: inline-flex; align-items: center; justify-content: center;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25d366; color: #fff; box-shadow: 0 8px 22px rgba(0,0,0,.25);
  transition: transform .2s ease;
}
.td-wa-float:hover{ transform: scale(1.06); }
.td-wa-float svg{ width: 30px; height: 30px; fill: currentColor; }

/* ---------- Utility ---------- */
.td-skip{ position:absolute; left:-9999px; }
.td-skip:focus{ left:16px; top:16px; z-index:2000; background:#fff; padding:12px 16px; border-radius:8px; box-shadow: var(--shadow-md); }
.sr{ position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; }

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .td-nav{ display:none; }
  .td-burger{ display:flex; }
  .td-footer__grid{ grid-template-columns:1fr 1fr; }
  .td-grid--4{ grid-template-columns:repeat(2,1fr); }
  .td-grid--3{ grid-template-columns:repeat(2,1fr); }
  .td-grid--2{ grid-template-columns:1fr; }
  .td-reviews-grid{ grid-template-columns:1fr; }
  .td-emergency{ flex-direction:column; text-align:center; justify-content:center; padding:36px 28px; }
  .td-stickybar{ display:flex; }
  .td-wa-float{ display:none; }
  body{ padding-bottom:56px; }
  .td-hero-shape-wrap{ width:100%; max-width:480px; margin:0 auto 24px; order:1; }
  .td-hero-grid__text{ order:2; }
  [style*="grid-template-columns:1fr 1fr"]{ grid-template-columns:1fr !important; }
  [style*="order:2"], [style*="order:1"]{ order:initial !important; }
}
@media (max-width:720px){
  .td-container{ padding:0 20px; }
  .td-section{ padding:44px 0; }
  .td-section--tight{ padding:32px 0; }
  .td-title-lg{ font-size:clamp(2.1rem, 9.5vw, 2.7rem); }
  .td-title-md{ font-size:clamp(1.4rem, 5.5vw, 1.8rem); }
  .td-subtitle{ font-size:.98rem; }
  .td-grid--4, .td-grid--3, .td-grid--2{ grid-template-columns:1fr; gap:18px; }
  .td-footer__grid{ grid-template-columns:1fr; gap:28px; }
  .td-ba__imgs img{ height:220px; }
  .td-cta-row{ flex-wrap:nowrap; }
  .td-cta-row .td-btn{ flex:1 1 0; width:auto; padding-left:14px; padding-right:14px; }
  .td-btn{ padding:14px 22px; font-size:14.5px; }
  .td-brands{ gap:22px; }
  .td-brands img{ height:28px; }
  .td-header__bar{ padding:10px 16px; }
  .td-logo img{ height:36px; }
  .td-emergency::before{ width:260px; height:260px; top:-100px; right:-80px; }
}
@media (max-width:420px){
  .td-title-lg{ font-size:1.55rem; }
  .td-card{ padding:22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}