/* =============================================================================
   shared.css — Lindty Services
   Single source of truth for header, nav, footer, float-call, buttons,
   containers, and breakpoints. Page-specific styles stay in the page <style>.
   ============================================================================= */

/* ── 1. Variables ────────────────────────────────────────────────────────── */
:root{
  --red:#DC2626;
  --red-h:#B91C1C;
  --dark:#0F172A;
  --muted:#64748B;
  --border:#E2E8F0;
  --bg:#F8FAFC;
  --hdr-h:68px;              /* stable header height consumed by sections */
  --float-bottom:1.25rem;    /* base bottom offset for float-call          */
  --container-max:1200px;
  --section-px:1rem;         /* mobile side padding                        */
}

/* ── 2. Reset & base ─────────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;overflow-x:hidden;}
body{
  overflow-x:hidden;
  font-family:system-ui,-apple-system,'Segoe UI',sans-serif;
  color:var(--dark);
  background:#fff;
  /* bottom padding so float-call never covers last content */
  padding-bottom:calc(4rem + env(safe-area-inset-bottom,0px));
}

/* ── 3. Containers ───────────────────────────────────────────────────────── */
.ld-container{
  width:100%;
  max-width:var(--container-max);
  margin-inline:auto;
  padding-inline:var(--section-px);
}
/* Wider container for ultra-wide only */
@media(min-width:1440px){.ld-container{--container-max:1320px;}}
@media(min-width:1920px){.ld-container{--container-max:1440px;}}

/* ── 4. Scroll-bar ───────────────────────────────────────────────────────── */
::-webkit-scrollbar{width:5px;}
::-webkit-scrollbar-thumb{background:#CBD5E1;border-radius:3px;}

/* ── 5. Buttons ──────────────────────────────────────────────────────────── */
.btn-red{
  background:var(--red);color:#fff;font-weight:700;
  padding:.8rem 1.75rem;border-radius:.875rem;
  text-decoration:none;display:inline-flex;align-items:center;gap:.4rem;
  transition:background .2s,transform .15s,box-shadow .2s;
  border:none;cursor:pointer;font-size:.9rem;white-space:nowrap;
  min-height:44px;                        /* WCAG touch target */
}
.btn-red:hover{background:var(--red-h);transform:translateY(-1px);box-shadow:0 8px 24px rgba(220,38,38,.3);}
.btn-red:active{transform:translateY(0);}

.btn-outline{
  background:transparent;color:#fff;font-weight:700;
  padding:.8rem 1.75rem;border-radius:.875rem;
  border:2px solid rgba(255,255,255,.45);text-decoration:none;
  display:inline-flex;align-items:center;gap:.4rem;
  transition:background .2s,border-color .2s;
  cursor:pointer;font-size:.9rem;white-space:nowrap;min-height:44px;
}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;}

.btn-outline-dark{
  background:transparent;color:var(--dark);font-weight:700;
  padding:.8rem 1.75rem;border-radius:.875rem;
  border:2px solid var(--border);text-decoration:none;
  display:inline-flex;align-items:center;gap:.4rem;
  transition:background .2s,border-color .2s;
  cursor:pointer;font-size:.9rem;white-space:nowrap;min-height:44px;
}
.btn-outline-dark:hover{background:var(--bg);border-color:var(--muted);}

/* ── 6. Header ───────────────────────────────────────────────────────────── */
.ld-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 12px rgba(0,0,0,.05);
}
.ld-header-inner{
  max-width:var(--container-max);
  margin-inline:auto;
  padding:.5rem var(--section-px);
  display:flex;align-items:center;justify-content:space-between;gap:.75rem;
}
.ld-header-actions{
  display:flex;align-items:center;gap:.75rem;flex-shrink:0;
}

/* ── 7. Logo ─────────────────────────────────────────────────────────────── */
.ld-logo-link{
  display:flex;align-items:center;text-decoration:none;flex-shrink:0;
  transition:opacity .2s;
}
.ld-logo-link:hover{opacity:.85;}
/* Full wordmark — visible by default */
.logo-full{display:block;max-height:44px;width:auto;}
/* Icon badge — hidden by default, only shown on very narrow screens */
.logo-icon{display:none;max-height:44px;width:auto;}

/* ── 8. Desktop navigation ───────────────────────────────────────────────── */
.d-nav{display:none;gap:1.25rem;align-items:center;}  /* hidden mobile-first */
.nav-link{
  text-decoration:none;color:var(--muted);font-size:.875rem;font-weight:600;
  padding:.4rem .15rem;border-bottom:2px solid transparent;
  transition:color .15s,border-color .15s;white-space:nowrap;
  min-height:44px;display:inline-flex;align-items:center;
}
.nav-link:hover,.nav-link.active{color:var(--red);border-color:var(--red);}

/* ── 9. Hamburger button ─────────────────────────────────────────────────── */
.hamburger{
  display:flex;flex-direction:column;gap:5px;
  cursor:pointer;padding:.5rem;border:none;background:none;
  flex-shrink:0;min-width:44px;min-height:44px;
  align-items:center;justify-content:center;
  border-radius:.375rem;
}
.hamburger span{
  display:block;width:22px;height:2px;
  background:var(--dark);border-radius:2px;
  transition:transform .3s,opacity .3s,width .3s;
  transform-origin:center;
}
/* Open (X) state — driven by .hamburger[aria-expanded="true"] */
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0;width:0;}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ── 10. Mobile menu ─────────────────────────────────────────────────────── */
.mobile-menu{
  display:none;
  position:fixed;inset:0;
  background:rgba(255,255,255,.98);
  backdrop-filter:blur(16px);
  z-index:100;
  flex-direction:column;align-items:center;justify-content:center;
  gap:2rem;
  padding:2rem 1.5rem;
  /* safe area */
  padding-top:calc(2rem + env(safe-area-inset-top,0px));
  padding-bottom:calc(2rem + env(safe-area-inset-bottom,0px));
}
.mobile-menu.open{display:flex;}
.mobile-menu nav{display:flex;flex-direction:column;align-items:center;gap:1.75rem;}
.mobile-menu nav a{
  font-size:1.35rem;font-weight:800;color:var(--dark);
  text-decoration:none;transition:color .15s;
  min-height:44px;display:inline-flex;align-items:center;
}
.mobile-menu nav a.cur,.mobile-menu nav a:hover{color:var(--red);}
.mobile-menu-close{
  position:absolute;top:1.25rem;right:1.25rem;
  background:none;border:none;font-size:1.75rem;cursor:pointer;
  color:var(--muted);min-width:44px;min-height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:.375rem;transition:color .15s;
}
.mobile-menu-close:hover{color:var(--dark);}
/* When mobile menu is open, hide float-call so it doesn't punch through overlay */
body.menu-open .float-call{opacity:0;pointer-events:none;}

/* ── 11. Header consultation button (hidden on mobile) ───────────────────── */
.btn-hd{font-size:.85rem;padding:.6rem 1.25rem;min-height:44px;}

/* ── 12. Float call button ───────────────────────────────────────────────── */
.float-call{
  display:none;                     /* hidden by default; shown on mobile only */
  position:fixed;
  bottom:calc(var(--float-bottom) + env(safe-area-inset-bottom,0px));
  left:50%;
  transform:translateX(-50%) translateY(120px);  /* starts off-screen */
  max-width:calc(100vw - 2rem);     /* never wider than viewport            */
  background:var(--red);color:#fff;font-weight:800;font-size:.9rem;
  padding:.85rem 1.6rem;
  border-radius:9999px;
  align-items:center;gap:.5rem;
  white-space:nowrap;
  box-shadow:0 8px 30px rgba(220,38,38,.45);
  transition:transform .45s cubic-bezier(.34,1.56,.64,1),opacity .3s;
  z-index:90;
  text-decoration:none;
  border:2px solid rgba(255,255,255,.25);
}
.float-call.show{transform:translateX(-50%) translateY(0);}
.float-call:hover{box-shadow:0 12px 36px rgba(220,38,38,.6);}

/* ── 13. Nav-link utility ────────────────────────────────────────────────── */
.tag{
  display:inline-block;
  font-size:.68rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  color:var(--red);
}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* ── 14. Modal overlay ───────────────────────────────────────────────────── */
.modal-overlay{
  display:none;position:fixed;inset:0;
  background:rgba(0,0,0,.6);backdrop-filter:blur(4px);
  z-index:200;align-items:center;justify-content:center;
  padding:1rem;
}
.modal-overlay.open{display:flex;}
/* when modal open, hide float-call */
body.modal-open .float-call{opacity:0;pointer-events:none;}

/* ── 15. Form inputs ─────────────────────────────────────────────────────── */
input,textarea,select{
  width:100%;
  padding:.75rem 1rem;
  border:1.5px solid var(--border);
  border-radius:.875rem;
  font-size:1rem;                   /* ≥16px: prevents iOS auto-zoom        */
  font-family:inherit;
  outline:none;
  transition:border-color .15s;
}
input:focus,textarea:focus,select:focus{border-color:var(--red);}

/* ── 16. Footer ──────────────────────────────────────────────────────────── */
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:2rem;
  margin-bottom:2rem;
  align-items:start;
}
/* Extra footer bottom space clears the float-call + safe area */
footer{
  margin-bottom:0;
}

/* ── 17. Focus & motion ──────────────────────────────────────────────────── */
:focus-visible{outline:2px solid #DC2626;outline-offset:3px;border-radius:3px;}
button:focus-visible,a:focus-visible{outline-offset:4px;}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms!important;
    transition-duration:.01ms!important;
    scroll-behavior:auto!important;
  }
}

/* ── 18. Responsive breakpoints (mobile-first) ───────────────────────────── */

/* 360px — switch from icon badge to full wordmark */
@media(min-width:360px){
  .logo-full{display:block;}
  .logo-icon{display:none;}
}

/* 480px — a little more breathing room */
@media(min-width:480px){
  :root{--section-px:1.25rem;}
  .logo-full{max-height:48px;}
}

/* 600px */
@media(min-width:600px){
  :root{--section-px:1.5rem;}
}

/* 768px — tablet: desktop nav appears, hamburger hides, consultation btn appears */
@media(min-width:768px){
  :root{--section-px:1.75rem;}
  .d-nav{display:flex;}
  .hamburger{display:none;}
  .btn-hd{display:inline-flex;}
  .logo-full{max-height:52px;}
  .float-call{display:none !important;}  /* only show on mobile */
  body{padding-bottom:0;}                 /* no float-call on desktop */
  .footer-grid{grid-template-columns:1fr 1fr;}
}

/* Below 768px: show float call */
@media(max-width:767px){
  .float-call{display:flex;}
  .btn-hd{display:none;}
  .hamburger{display:flex;}
  h1,h2,h3{overflow-wrap:break-word;word-break:break-word;}
}

/* Below 360px: show icon badge, hide full wordmark */
@media(max-width:359px){
  .logo-full{display:none;}
  .logo-icon{display:block;}
}

/* 960px — 3-col footer */
@media(min-width:960px){
  :root{--section-px:2rem;}
  .footer-grid{grid-template-columns:1.75fr 1fr 1fr 1fr;}
}

/* 1024px+ — desktop */
@media(min-width:1024px){
  :root{--section-px:2rem;}
}

/* 1440px — large desktop */
@media(min-width:1440px){
  :root{--section-px:3rem;}
}

/* 1920px+ — TV / ultrawide: content stays constrained */
@media(min-width:1920px){
  .ld-header-inner{max-width:1440px;}
}