/* ═══════════════════════════════════════════════════════
   IuLiaNi IT Solutions — Main Stylesheet
   Dark / Light mode via [data-theme] attribute on <html>
═══════════════════════════════════════════════════════ */

/* ── DARK MODE (default) ── */
:root,[data-theme="dark"]{
  --bg:#050a0f;
  --surface:#0c1420;
  --surface2:#111d2b;
  --accent:#00e5ff;
  --accent2:#0070f3;
  --accent3:#7b2fff;
  --text:#e8f4f8;
  --muted:#6b8a9e;
  --border:rgba(0,229,255,.12);
  --glow:0 0 40px rgba(0,229,255,.15);
  --card-shadow:0 4px 24px rgba(0,0,0,.4);
  --nav-bg:rgba(5,10,15,.9);
  --topbar-bg:rgba(5,10,15,.85);
  --mode-icon:"☀️";
}

/* ── LIGHT MODE ── */
[data-theme="light"]{
  --bg:#f0f4f8;
  --surface:#ffffff;
  --surface2:#e8eef4;
  --accent:#0070f3;
  --accent2:#0050c8;
  --accent3:#6d28d9;
  --text:#0a1628;
  --muted:#5a7189;
  --border:rgba(0,112,243,.15);
  --glow:0 0 40px rgba(0,112,243,.12);
  --card-shadow:0 4px 24px rgba(0,0,0,.08);
  --nav-bg:rgba(240,244,248,.92);
  --topbar-bg:rgba(240,244,248,.9);
  --mode-icon:"🌙";
}

/* ── RESET & BASE ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'DM Mono',monospace;
  background:var(--bg);
  color:var(--text);
  overflow-x:hidden;
  transition:background .35s,color .35s;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}
ul{list-style:none}

/* ── PARTICLE CANVAS ── */
#particle-canvas{
  position:fixed;top:0;left:0;
  width:100%;height:100%;
  z-index:0;pointer-events:none;
  opacity:1;
  transition:opacity .4s;
}
[data-theme="light"] #particle-canvas{opacity:.4}

/* ── LAYOUT WRAP ── */
.iuliani-wrap{position:relative;z-index:1}

/* ── TOPBAR ── */
.iuliani-topbar{
  background:var(--topbar-bg);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  padding:8px 0;
  font-size:12px;
  color:var(--muted);
  letter-spacing:.05em;
  transition:background .35s,border-color .35s;
}
.iuliani-topbar__inner{
  max-width:1200px;margin:0 auto;padding:0 32px;
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:8px;
}
.iuliani-topbar a{color:var(--muted);transition:color .2s}
.iuliani-topbar a:hover{color:var(--accent)}
.iuliani-topbar .tb-div{margin:0 12px;opacity:.3}
.iuliani-topbar__right{display:flex;align-items:center;gap:12px}

/* ── LANG SWITCHER ── */
.lang-switcher{display:flex;gap:4px;align-items:center}
.lang-btn{
  background:none;
  border:1px solid transparent;
  color:var(--muted);
  font-family:'DM Mono',monospace;
  font-size:11px;letter-spacing:.08em;
  padding:3px 8px;border-radius:4px;
  cursor:pointer;transition:all .2s;
  text-transform:uppercase;
}
.lang-btn:hover,.lang-btn.active{
  color:var(--accent);
  border-color:rgba(0,229,255,.3);
  background:rgba(0,229,255,.06);
}
[data-theme="light"] .lang-btn:hover,
[data-theme="light"] .lang-btn.active{
  border-color:rgba(0,112,243,.3);
  background:rgba(0,112,243,.06);
}

/* ── DARK/LIGHT TOGGLE ── */
.mode-toggle{
  background:none;
  border:1px solid var(--border);
  border-radius:6px;
  padding:4px 10px;
  cursor:pointer;
  font-size:14px;
  line-height:1;
  transition:all .2s;
  color:var(--text);
}
.mode-toggle:hover{border-color:var(--accent);background:rgba(0,229,255,.06)}

/* ── NAV ── */
.iuliani-nav{
  position:sticky;top:0;z-index:100;
  background:var(--nav-bg);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  padding:0 32px;
  transition:background .35s,border-color .35s;
}
.iuliani-nav__inner{
  max-width:1200px;margin:0 auto;
  display:flex;justify-content:space-between;align-items:center;
  height:64px;
}
.iuliani-logo{
  font-family:'Syne',sans-serif;
  font-weight:800;font-size:22px;
  letter-spacing:-.02em;
  color:var(--text);
}
.iuliani-logo span{color:var(--accent)}
.iuliani-nav__links{display:flex;gap:8px}
.iuliani-nav__links a{
  color:var(--muted);
  font-size:12px;letter-spacing:.1em;
  text-transform:uppercase;
  padding:8px 14px;border-radius:6px;
  transition:all .2s;
}
.iuliani-nav__links a:hover{color:var(--accent);background:rgba(0,229,255,.07)}
[data-theme="light"] .iuliani-nav__links a:hover{background:rgba(0,112,243,.07)}
.btn-nav{
  background:var(--accent)!important;
  color:#050a0f!important;
  font-weight:500;
  padding:8px 20px!important;
  border-radius:6px!important;
}
.btn-nav:hover{opacity:.88!important}
[data-theme="light"] .btn-nav{color:#fff!important}

/* hamburger */
.nav-toggle{
  display:none;
  background:none;border:1px solid var(--border);
  border-radius:6px;padding:6px 10px;
  cursor:pointer;color:var(--text);font-size:18px;
  line-height:1;
}

/* ── HERO ── */
.iuliani-hero{
  min-height:100vh;
  display:flex;align-items:center;justify-content:center;
  text-align:center;
  padding:80px 32px;
  position:relative;
}
.iuliani-hero__inner{max-width:800px;margin:0 auto}
.hero-badge{
  display:inline-block;
  background:rgba(0,229,255,.08);
  border:1px solid rgba(0,229,255,.25);
  color:var(--accent);
  font-size:11px;letter-spacing:.15em;text-transform:uppercase;
  padding:6px 16px;border-radius:100px;
  margin-bottom:28px;
  transition:all .35s;
}
[data-theme="light"] .hero-badge{
  background:rgba(0,112,243,.08);
  border-color:rgba(0,112,243,.25);
}
.iuliani-hero h1{
  font-family:'Syne',sans-serif;
  font-size:clamp(44px,7vw,88px);
  font-weight:800;line-height:1;
  letter-spacing:-.03em;margin-bottom:24px;
  color:var(--text);
}
.iuliani-hero h1 .hl{
  background:linear-gradient(135deg,var(--accent),var(--accent3));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.iuliani-hero__desc{
  max-width:560px;margin:0 auto 40px;
  color:var(--muted);font-size:15px;line-height:1.7;
}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-block;padding:13px 28px;
  border-radius:8px;
  font-family:'DM Mono',monospace;
  font-size:13px;letter-spacing:.05em;
  transition:all .25s;cursor:pointer;border:none;
}
.btn-primary{background:var(--accent);color:#050a0f;font-weight:500}
.btn-primary:hover{background:var(--accent2);transform:translateY(-2px);box-shadow:0 8px 30px rgba(0,229,255,.3)}
[data-theme="light"] .btn-primary{color:#fff}
[data-theme="light"] .btn-primary:hover{box-shadow:0 8px 30px rgba(0,112,243,.3)}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.stat-bar{
  display:flex;gap:60px;justify-content:center;flex-wrap:wrap;
  margin-top:80px;padding-top:40px;
  border-top:1px solid var(--border);
}
.stat{text-align:center}
.stat__num{
  font-family:'Syne',sans-serif;
  font-size:36px;font-weight:800;
  color:var(--accent);display:block;
}
.stat__label{font-size:11px;color:var(--muted);letter-spacing:.1em;text-transform:uppercase}

/* ── SECTIONS ── */
.iuliani-section{padding:100px 32px}
.container{max-width:1200px;margin:0 auto}
.section-label{
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--accent);margin-bottom:12px;display:block;
}
.section-title{
  font-family:'Syne',sans-serif;
  font-size:clamp(28px,4vw,48px);
  font-weight:800;letter-spacing:-.02em;
  line-height:1.1;margin-bottom:16px;
  color:var(--text);
}
.section-sub{color:var(--muted);font-size:15px;line-height:1.7;max-width:560px}

/* ── PRODUCTS ── */
.iuliani-products{background:transparent}
.features-grid{
  display:grid;grid-template-columns:1fr 1fr;
  gap:16px;margin-top:60px;
}
.feature-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:16px;padding:40px;
  transition:all .3s;position:relative;overflow:hidden;
  box-shadow:var(--card-shadow);
}
.feature-card::before{
  content:'';position:absolute;top:0;left:0;right:0;
  height:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent3));
  transform:scaleX(0);transform-origin:left;transition:transform .4s;
}
.feature-card:hover::before{transform:scaleX(1)}
.feature-card:hover{
  background:var(--surface2);
  border-color:color-mix(in srgb, var(--accent) 35%, transparent);
  transform:translateY(-3px);box-shadow:var(--glow);
}
.feature-icon{
  width:48px;height:48px;border-radius:12px;
  background:rgba(0,229,255,.1);
  border:1px solid rgba(0,229,255,.2);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;margin-bottom:20px;
}
[data-theme="light"] .feature-icon{
  background:rgba(0,112,243,.1);
  border-color:rgba(0,112,243,.2);
}
.feature-card h3{
  font-family:'Syne',sans-serif;
  font-size:18px;font-weight:700;
  margin-bottom:10px;color:var(--text);
}
.feature-card p{color:var(--muted);font-size:13px;line-height:1.7}
.feature-tag{
  display:inline-block;
  background:rgba(123,47,255,.15);
  border:1px solid rgba(123,47,255,.3);
  color:#a67fff;
  font-size:10px;letter-spacing:.1em;
  padding:3px 10px;border-radius:100px;margin-top:16px;
}

/* ── SERVICES ── */
.iuliani-services{
  background:var(--surface);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  transition:background .35s,border-color .35s;
}
.services-header{
  display:flex;justify-content:space-between;align-items:flex-end;
  margin-bottom:60px;flex-wrap:wrap;gap:24px;
}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:16px;padding:36px;
  transition:all .3s;box-shadow:var(--card-shadow);
}
.service-card:hover{
  border-color:color-mix(in srgb, var(--accent) 35%, transparent);
  transform:translateY(-4px);box-shadow:var(--glow);
}
.service-num{font-size:11px;color:var(--accent);letter-spacing:.15em;font-weight:500;margin-bottom:16px}
.service-card h3{
  font-family:'Syne',sans-serif;
  font-size:20px;font-weight:700;margin-bottom:12px;color:var(--text);
}
.service-card p{color:var(--muted);font-size:13px;line-height:1.7}

/* ── CONTACT ── */
.iuliani-contact{background:transparent}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;margin-top:60px}
.contact-info h3{
  font-family:'Syne',sans-serif;
  font-size:28px;font-weight:700;margin-bottom:16px;color:var(--text);
}
.contact-info>p{color:var(--muted);font-size:14px;line-height:1.8;margin-bottom:32px}
.contact-detail{
  display:flex;align-items:center;gap:14px;
  padding:16px 0;border-top:1px solid var(--border);
  font-size:13px;color:var(--muted);
}
.contact-detail__icon{
  width:36px;height:36px;border-radius:8px;
  background:rgba(0,229,255,.08);
  border:1px solid rgba(0,229,255,.15);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;flex-shrink:0;
}
[data-theme="light"] .contact-detail__icon{
  background:rgba(0,112,243,.08);
  border-color:rgba(0,112,243,.15);
}
.contact-detail a{color:var(--text);transition:color .2s}
.contact-detail a:hover{color:var(--accent)}

/* ── FORM ── */
.contact-form-wrap{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:20px;padding:40px;
  transition:background .35s,border-color .35s;
  box-shadow:var(--card-shadow);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:18px}
.form-group label{
  display:block;font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--muted);margin-bottom:8px;
}
.form-group input,
.form-group textarea,
.form-group select{
  width:100%;background:var(--bg);
  border:1px solid var(--border);border-radius:8px;
  padding:12px 16px;color:var(--text);
  font-family:'DM Mono',monospace;font-size:13px;
  outline:none;transition:border-color .2s,background .35s;
  appearance:none;-webkit-appearance:none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus{
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(0,229,255,.08);
}
[data-theme="light"] .form-group input:focus,
[data-theme="light"] .form-group textarea:focus,
[data-theme="light"] .form-group select:focus{box-shadow:0 0 0 3px rgba(0,112,243,.1)}
.form-group textarea{resize:vertical;min-height:110px}

/* ── CAPTCHA ── */
.captcha-wrapper{
  background:var(--bg);border:1px solid var(--border);
  border-radius:12px;padding:20px;margin-bottom:20px;
  transition:background .35s,border-color .35s;
}
.captcha-header{
  font-size:10px;letter-spacing:.15em;text-transform:uppercase;
  color:var(--muted);margin-bottom:14px;
  display:flex;justify-content:space-between;align-items:center;
}
.captcha-refresh{
  background:none;border:none;color:var(--accent);
  cursor:pointer;font-size:18px;padding:0;
  transition:transform .3s;line-height:1;
}
.captcha-refresh:hover{transform:rotate(180deg)}
#captcha-canvas{
  display:block;border-radius:8px;
  border:1px solid var(--border);
  width:100%;max-width:280px;
  cursor:not-allowed;user-select:none;
}
.captcha-input-row{display:flex;gap:10px;margin-top:12px;align-items:center}
.captcha-input-row input{
  flex:1;background:var(--surface2);
  border:1px solid var(--border);border-radius:8px;
  padding:10px 14px;color:var(--text);
  font-family:'DM Mono',monospace;
  font-size:15px;letter-spacing:.3em;
  text-align:center;outline:none;
  transition:border-color .2s;
  text-transform:uppercase;
}
.captcha-input-row input:focus{border-color:var(--accent)}
.captcha-status{font-size:11px;margin-top:8px;min-height:16px;transition:all .2s}
.captcha-status.ok{color:#00e676}
.captcha-status.err{color:#ff5252}

/* ── SUBMIT BTN ── */
.btn-submit{
  width:100%;padding:14px;
  background:linear-gradient(135deg,var(--accent2),var(--accent3));
  color:#fff;border:none;border-radius:8px;
  font-family:'DM Mono',monospace;font-size:13px;
  letter-spacing:.05em;cursor:pointer;
  transition:all .25s;font-weight:500;
}
.btn-submit:hover{opacity:.88;transform:translateY(-2px);box-shadow:0 8px 30px rgba(0,112,243,.4)}
.btn-submit:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

/* ── ALERTS ── */
.form-alert{
  padding:12px 16px;border-radius:8px;
  font-size:13px;margin-bottom:14px;display:none;
}
.form-alert.err{background:rgba(255,82,82,.1);border:1px solid rgba(255,82,82,.3);color:#ff8a80}
.form-alert.ok{background:rgba(0,230,118,.1);border:1px solid rgba(0,230,118,.3);color:#00e676}
.form-success{display:none;text-align:center;padding:40px 0}
.form-success .check{font-size:48px;display:block;margin-bottom:16px}
.form-success h3{font-family:'Syne',sans-serif;font-size:22px;font-weight:700;margin-bottom:8px;color:var(--text)}
.form-success p{color:var(--muted);font-size:14px}

/* ── FOOTER ── */
.iuliani-footer{
  background:var(--surface);
  border-top:1px solid var(--border);
  padding:40px 32px;
  transition:background .35s,border-color .35s;
}
.footer-inner{
  max-width:1200px;margin:0 auto;
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:24px;
}
.footer-logo{font-family:'Syne',sans-serif;font-weight:800;font-size:20px;color:var(--text)}
.footer-logo span{color:var(--accent)}
.footer-logo small{font-size:13px;color:var(--muted);font-family:'DM Mono',monospace;font-weight:400}
.footer-copy{font-size:12px;color:var(--muted)}
.footer-links{display:flex;gap:20px}
.footer-links a{color:var(--muted);font-size:12px;transition:color .2s}
.footer-links a:hover{color:var(--accent)}

/* ── WP ADMIN BAR ADJUSTMENT ── */
.admin-bar .iuliani-nav{top:32px}
@media screen and (max-width:782px){.admin-bar .iuliani-nav{top:46px}}

/* ── ANIMATIONS ── */
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
.hero-badge{animation:fadeUp .7s .1s ease both}
.iuliani-hero h1{animation:fadeUp .7s .2s ease both}
.iuliani-hero__desc{animation:fadeUp .7s .35s ease both}
.hero-cta{animation:fadeUp .7s .5s ease both}
.stat-bar{animation:fadeUp .7s .65s ease both}

/* ── RESPONSIVE ── */
@media(max-width:900px){
  .services-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .features-grid,.services-grid,.contact-grid,.form-row{grid-template-columns:1fr}
  .iuliani-nav__links{
    display:none;flex-direction:column;
    position:absolute;top:64px;left:0;right:0;
    background:var(--nav-bg);backdrop-filter:blur(20px);
    border-bottom:1px solid var(--border);
    padding:16px 24px;gap:4px;
  }
  .iuliani-nav__links.open{display:flex}
  .nav-toggle{display:block}
  .iuliani-nav__inner{flex-wrap:wrap;height:auto;padding:12px 0;position:relative}
  .services-header{flex-direction:column}
  .stat-bar{gap:30px}
  .iuliani-section{padding:70px 20px}
  .iuliani-nav{padding:0 20px}
  .iuliani-topbar__inner{flex-direction:column;align-items:flex-start;gap:6px}
  .iuliani-hero{padding:80px 20px}
}
