/* ==========================================================================
   ABORNTECH — CORE STYLESHEET
   Design tokens, reset, base typography, layout primitives, and shared
   components (nav, footer, buttons, cards, badges, forms). Loaded on every
   page so the browser caches it once across the whole site.
   ========================================================================== */

/* ---- Design tokens ---- */
:root{
  /* Neutrals */
  --ink-950:#0a0a0c;
  --ink-900:#111114;
  --ink-800:#1b1b20;
  --ink-700:#2c2c33;
  --ink-600:#46464f;
  --ink-500:#6b6b76;
  --ink-400:#8f8f9a;
  --ink-300:#b4b4bd;
  --ink-200:#d6d6dc;
  --ink-100:#e9e9ed;
  --paper-100:#faf9f7;
  --paper-50:#ffffff;

  /* Accents */
  --accent:#3d4de0;
  --accent-600:#3140c9;
  --accent-100:#e7e9fb;
  --accent-tint:rgba(61,77,224,.08);
  --bronze:#b08a4e;
  --bronze-tint:rgba(176,138,78,.12);

  /* Surfaces */
  --bg:var(--paper-100);
  --surface:var(--paper-50);
  --text:var(--ink-950);
  --text-muted:var(--ink-500);
  --border:rgba(10,10,12,.09);
  --border-strong:rgba(10,10,12,.16);

  /* Elevation */
  --shadow-sm:0 1px 2px rgba(10,10,12,.04), 0 1px 1px rgba(10,10,12,.03);
  --shadow-md:0 8px 24px rgba(10,10,12,.07), 0 2px 8px rgba(10,10,12,.04);
  --shadow-lg:0 24px 60px rgba(10,10,12,.12), 0 8px 24px rgba(10,10,12,.06);
  --shadow-glow:0 0 0 1px rgba(61,77,224,.1), 0 12px 32px rgba(61,77,224,.16);

  /* Radius */
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;

  /* Type */
  --font-display:'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Motion */
  --ease:cubic-bezier(.16,.8,.24,1);
  --dur-fast:.2s;
  --dur-med:.45s;
  --dur-slow:.8s;

  /* Layout */
  --container:1240px;
  --gutter:clamp(1.5rem, 5vw, 4rem);
  --header-h:84px;
}

::selection{background:var(--accent); color:#fff;}

/* ---- Reset ---- */
*,*::before,*::after{box-sizing:border-box; margin:0; padding:0;}
html{-webkit-text-size-adjust:100%; scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
}
body{
  min-height:100vh;
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg,video{display:block; max-width:100%;}
a{color:inherit; text-decoration:none;}
ul,ol{list-style:none;}
button,input,textarea,select{font:inherit; color:inherit; background:none; border:none;}
button{cursor:pointer;}
h1,h2,h3,h4{font-family:var(--font-display); font-weight:600; line-height:1.1; letter-spacing:-.01em;}

/* ---- Focus states (WCAG) ---- */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,[tabindex]:focus-visible{
  outline:2.5px solid var(--accent);
  outline-offset:3px;
  border-radius:4px;
}

/* ---- Skip link ---- */
.skip-link{
  position:absolute; top:-100px; left:1rem; z-index:2000;
  background:var(--ink-950); color:#fff; padding:.9rem 1.4rem;
  border-radius:var(--r-sm); font-weight:600; font-size:.9rem;
  transition:top var(--dur-fast) var(--ease);
}
.skip-link:focus{top:1rem;}

/* ---- Layout primitives ---- */
.container{max-width:var(--container); margin-inline:auto; padding-inline:var(--gutter);}
main{display:block;}
section{padding-block:clamp(4.5rem, 9vw, 8rem);}
.section-tight{padding-block:clamp(3rem, 6vw, 5rem);}

.eyebrow{
  display:inline-flex; align-items:center; gap:.5rem;
  font-size:.78rem; font-weight:600; letter-spacing:.09em; text-transform:uppercase;
  color:var(--accent); margin-bottom:1rem;
}
.eyebrow::before{content:''; width:6px; height:6px; border-radius:50%; background:var(--accent); flex-shrink:0;}

h2.title, .title-lg{
  font-size:clamp(2.1rem, 4vw, 3.4rem);
  letter-spacing:-.02em;
  margin-bottom:1.1rem;
}
.title-sub{
  color:var(--text-muted);
  font-size:clamp(1.02rem, 1.4vw, 1.15rem);
  max-width:46ch;
  line-height:1.7;
}
.section-head{
  display:flex; justify-content:space-between; align-items:flex-end; gap:2rem;
  margin-bottom:clamp(2.5rem, 5vw, 4rem); flex-wrap:wrap;
}

.text-center{text-align:center;}
.mx-auto{margin-inline:auto;}

/* ---- Icons ---- */
.icon{width:1.5rem; height:1.5rem; stroke:currentColor; fill:none; stroke-width:1.6; flex-shrink:0;}
.icon-lg{width:2rem; height:2rem;}

/* ==========================================================================
   NAV
   ========================================================================== */
.site-header{
  position:fixed; inset-block-start:0; inset-inline:0; z-index:1000;
  height:var(--header-h);
  display:flex; align-items:center;
  background:rgba(250,249,247,.72);
  backdrop-filter:blur(18px) saturate(160%);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid var(--border);
  transition:box-shadow var(--dur-fast) var(--ease);
}
.site-header.is-scrolled{
  box-shadow:var(--shadow-sm);
}
.nav-inner{
  width:100%; max-width:var(--container); margin-inline:auto; padding-inline:var(--gutter);
  display:flex; align-items:center; justify-content:space-between; gap:2rem;
}
.brand{
  font-family:var(--font-display); font-weight:600; font-size:1.35rem; letter-spacing:-.01em;
  display:flex; align-items:center; gap:.5rem;
}
.brand .brand-mark{color:var(--accent); font-style:italic;}

.nav-links{display:none; align-items:center; gap:2.1rem;}
@media (min-width:860px){.nav-links{display:flex;}}
.nav-links a{
  font-size:.92rem; font-weight:500; color:var(--text); position:relative; padding-block:.3rem;
}
.nav-links a::after{
  content:''; position:absolute; left:0; right:100%; bottom:-2px; height:1.5px; background:var(--accent);
  transition:right var(--dur-fast) var(--ease);
}
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after{right:0;}
.nav-links a[aria-current="page"]{color:var(--accent);}

.nav-actions{display:flex; align-items:center; gap:1.2rem;}
.nav-actions .nav-cta{display:none;}
@media (min-width:860px){.nav-actions .nav-cta{display:inline-flex;}}

.nav-toggle{
  display:flex; flex-direction:column; gap:5px; width:26px; padding:.4rem;
  background:none; border:none;
}
.nav-toggle span{display:block; width:100%; height:2px; background:var(--ink-950); border-radius:2px; transition:transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
@media (min-width:860px){.nav-toggle{display:none;}}

.mobile-menu{
  position:fixed; inset:var(--header-h) 0 0 0; z-index:999;
  background:var(--paper-100);
  padding:2rem var(--gutter) 3rem;
  display:flex; flex-direction:column; gap:.4rem;
  transform:translateY(-8px); opacity:0; pointer-events:none;
  transition:opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.mobile-menu.is-open{opacity:1; transform:translateY(0); pointer-events:auto;}
.mobile-menu a{
  font-family:var(--font-display); font-size:1.7rem; padding-block:.6rem;
  border-bottom:1px solid var(--border);
}
.mobile-menu .nav-cta{display:inline-flex; margin-top:1.5rem;}
@media (min-width:860px){.mobile-menu{display:none;}}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.55rem;
  padding:.9rem 1.75rem; border-radius:var(--r-pill);
  font-weight:600; font-size:.94rem; white-space:nowrap;
  transition:transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.btn .icon{width:1.05rem; height:1.05rem;}
.btn-primary{background:var(--ink-950); color:#fff;}
.btn-primary:hover{background:var(--accent); box-shadow:var(--shadow-glow); transform:translateY(-2px);}
.btn-accent{background:var(--accent); color:#fff;}
.btn-accent:hover{background:var(--accent-600); box-shadow:var(--shadow-glow); transform:translateY(-2px);}
.btn-outline{border:1.5px solid var(--border-strong); color:var(--text); background:var(--surface);}
.btn-outline:hover{border-color:var(--accent); color:var(--accent); transform:translateY(-2px);}
.btn-ghost-light{border:1.5px solid rgba(255,255,255,.28); color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.1); border-color:#fff;}
.btn-white{background:#fff; color:var(--ink-950);}
.btn-white:hover{transform:translateY(-2px); box-shadow:var(--shadow-lg);}
.btn-block{width:100%;}
.btn-sm{padding:.65rem 1.3rem; font-size:.85rem;}

/* ==========================================================================
   CARDS / BADGES
   ========================================================================== */
.card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--r-lg);
  padding:2rem; box-shadow:var(--shadow-sm);
  transition:transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.card:hover{transform:translateY(-5px); box-shadow:var(--shadow-md); border-color:var(--border-strong);}

.badge{
  display:inline-flex; align-items:center; gap:.5rem;
  padding:.45rem 1.05rem; border-radius:var(--r-pill);
  font-size:.8rem; font-weight:600; letter-spacing:.02em;
}
.badge-accent{background:var(--accent-tint); color:var(--accent); border:1px solid rgba(61,77,224,.22);}
.badge-bronze{background:var(--bronze-tint); color:var(--bronze); border:1px solid rgba(176,138,78,.3);}
.badge-glass{background:rgba(255,255,255,.12); color:#fff; border:1px solid rgba(255,255,255,.24); backdrop-filter:blur(8px);}

/* ---- Service tile (shared: home bento + services hub) ---- */
.service-card{
  display:flex; flex-direction:column; align-items:flex-start; gap:.9rem;
  position:relative; text-decoration:none; color:inherit; overflow:hidden;
}
.service-card .icon-lg{color:var(--accent);}
.sc-title{font-size:1.08rem; font-weight:600; letter-spacing:-.01em;}
.sc-desc{font-size:.88rem; color:var(--text-muted); line-height:1.6;}
.sc-arrow{
  position:absolute; top:1.6rem; right:1.6rem; color:var(--ink-300);
  transition:transform var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.service-card:hover .sc-arrow{transform:translate(3px,-3px); color:var(--accent);}
.service-card--featured{background:var(--ink-950); color:#fff; border-color:var(--ink-950);}
.service-card--featured .icon-lg{color:var(--bronze);}
.service-card--featured .sc-desc{color:rgba(255,255,255,.62);}
.service-card--featured .sc-arrow{color:rgba(255,255,255,.4);}
.service-card--featured:hover .sc-arrow{color:var(--bronze);}

/* ---- Glass panel ---- */
.glass{
  background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
  border-radius:var(--r-lg);
}

/* ==========================================================================
   FORMS
   ========================================================================== */
.field{margin-bottom:1.3rem;}
.field-row{display:grid; grid-template-columns:1fr 1fr; gap:1rem;}
.field label{
  display:block; font-size:.78rem; font-weight:600; letter-spacing:.04em; text-transform:uppercase;
  color:var(--text-muted); margin-bottom:.5rem;
}
.field input, .field textarea, .field select{
  width:100%; padding:.85rem 1.1rem; border:1.5px solid var(--border-strong);
  border-radius:var(--r-sm); background:var(--surface); font-size:.95rem;
  transition:border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.field input:focus, .field textarea:focus, .field select:focus{
  outline:none; border-color:var(--accent); box-shadow:0 0 0 4px var(--accent-tint);
}
.field textarea{resize:vertical; min-height:130px;}
.field-error{color:#c0392b; font-size:.8rem; margin-top:.4rem; display:none;}
.field.has-error input, .field.has-error textarea, .field.has-error select{border-color:#c0392b;}
.field.has-error .field-error{display:block;}
.form-status{
  border-radius:var(--r-sm); padding:1rem 1.2rem; font-size:.9rem; font-weight:500;
  margin-bottom:1.3rem; display:none;
}
.form-status.is-visible{display:block;}
.form-status.is-success{background:rgba(22,163,74,.1); color:#166534; border:1px solid rgba(22,163,74,.25);}
.form-status.is-error{background:rgba(192,57,43,.08); color:#8f291d; border:1px solid rgba(192,57,43,.22);}
.form-status.is-pending{background:var(--accent-tint); color:var(--accent-600); border:1px solid var(--accent-100);}

@media (max-width:640px){.field-row{grid-template-columns:1fr;}}

/* ==========================================================================
   MARQUEE (shared component)
   ========================================================================== */
.marquee{background:var(--ink-950); padding-block:1.1rem; overflow:hidden;}
.marquee-track{
  display:flex; align-items:center; gap:2.5rem; width:max-content;
  animation:marquee-scroll 32s linear infinite;
}
.marquee-track span{
  font-family:var(--font-display); font-weight:600; font-size:.95rem; letter-spacing:.02em;
  color:rgba(255,255,255,.85); white-space:nowrap;
}
.marquee-track span.dot{color:var(--bronze); font-size:1rem;}

/* ==========================================================================
   PAGE HERO (shared secondary-page hero: about, services, industries,
   contact, and all service-detail pages)
   ========================================================================== */
.page-hero{
  --hero-a:var(--ink-950); --hero-b:var(--accent-600);
  padding-block:calc(var(--header-h) + 3.5rem) 5rem;
  background:linear-gradient(135deg, var(--hero-a) 0%, var(--hero-b) 130%);
  color:#fff; position:relative; overflow:hidden;
}
.page-hero::before{
  content:''; position:absolute; top:-30%; right:-8%; width:560px; height:560px; border-radius:50%;
  background:rgba(255,255,255,.05);
}
.breadcrumb{font-size:.82rem; color:rgba(255,255,255,.55); margin-bottom:1.3rem; position:relative; z-index:1;}
.breadcrumb a{color:rgba(255,255,255,.85);}
.breadcrumb a:hover{color:#fff;}
.page-hero-inner{position:relative; z-index:1; max-width:760px;}
.page-hero h1{font-size:clamp(2.3rem, 4.4vw, 3.9rem); letter-spacing:-.02em; margin-bottom:1.3rem; color:#fff;}
.page-hero .lede{font-size:clamp(1.02rem, 1.5vw, 1.15rem); color:rgba(255,255,255,.78); line-height:1.75; max-width:600px; margin-bottom:2.2rem;}
.page-hero .hero-actions{margin-bottom:0;}

/* ==========================================================================
   CTA BAND (shared: ends most pages)
   ========================================================================== */
.cta-band{
  background:linear-gradient(135deg, var(--ink-950) 0%, var(--accent-600) 130%);
  color:#fff; position:relative; overflow:hidden;
}
.cta-band::before{
  content:''; position:absolute; top:-60%; left:50%; transform:translateX(-50%);
  width:900px; height:900px; border-radius:50%; background:rgba(255,255,255,.045);
}
.cta-band .title{color:#fff; position:relative; z-index:1;}
.cta-band .title-sub{color:rgba(255,255,255,.75); position:relative; z-index:1;}
.cta-band .hero-actions{position:relative; z-index:1; margin-bottom:0;}

/* ---- Stat band (shared: about + others) ---- */
.stat-band{display:flex; justify-content:space-between; gap:2rem; flex-wrap:wrap; text-align:center;}
.stat-band .stat-num{font-size:2.6rem;}
@media (max-width:640px){.stat-band{justify-content:center;}}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer{background:var(--ink-950); color:rgba(255,255,255,.62); padding-block:5rem 2.5rem;}
.footer-grid{display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:3rem; margin-bottom:3.5rem;}
.footer-brand .brand{color:#fff; margin-bottom:1rem;}
.footer-brand p{font-size:.9rem; line-height:1.75; max-width:280px; margin-bottom:1.4rem;}
.footer-contact a{display:block; font-size:.88rem; color:rgba(255,255,255,.75); margin-bottom:.4rem;}
.footer-contact a:hover{color:#fff;}
.footer-col h4{font-family:var(--font-display); font-weight:600; color:#fff; font-size:.98rem; margin-bottom:1.3rem;}
.footer-col a{display:block; font-size:.87rem; color:rgba(255,255,255,.6); margin-bottom:.75rem; transition:color var(--dur-fast) var(--ease);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1); padding-top:1.8rem;
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:1rem;
  font-size:.82rem; color:rgba(255,255,255,.45);
}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr; row-gap:2.5rem;}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr;}
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */
[data-reveal]{opacity:0; transform:translateY(28px); transition:opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);}
[data-reveal].is-visible{opacity:1; transform:translateY(0);}
[data-reveal-group] > *{transition-delay:calc(var(--i, 0) * 90ms);}

@keyframes pulse{0%,100%{opacity:1; transform:scale(1);} 50%{opacity:.55; transform:scale(1.5);}}
@keyframes marquee-scroll{from{transform:translateX(0);} to{transform:translateX(-50%);}}
@keyframes float-y{0%,100%{transform:translateY(0);} 50%{transform:translateY(-14px);}}
@keyframes grain-shift{0%,100%{transform:translate(0,0);} 50%{transform:translate(-2%,2%);}}

.pulse-dot{animation:pulse 2.2s ease-in-out infinite;}

/* ==========================================================================
   UTILITIES
   ========================================================================== */
.visually-hidden{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden;
  clip:rect(0,0,0,0); white-space:nowrap; border:0;
}
.divider{height:1px; background:var(--border); border:none;}

/* ==========================================================================
   WHATSAPP FLOAT BUTTON
   ========================================================================== */
.whatsapp-float{
  position:fixed; right:22px; bottom:22px; z-index:999;
  width:56px; height:56px; border-radius:50%;
  background:#25d366; display:flex; align-items:center; justify-content:center;
  box-shadow:0 6px 20px rgba(0,0,0,.28);
  transition:transform .2s ease, box-shadow .2s ease;
}
.whatsapp-float:hover, .whatsapp-float:focus-visible{
  transform:scale(1.08);
  box-shadow:0 8px 24px rgba(0,0,0,.35);
}
.whatsapp-float svg{width:30px; height:30px; fill:#fff;}
@media (max-width:600px){
  .whatsapp-float{right:16px; bottom:16px; width:50px; height:50px;}
  .whatsapp-float svg{width:26px; height:26px;}
}