/* ==========================================================================
   Harshita Solutions — Design System
   Concept: "Build Blueprint" — a software studio's own schematic sheet.
   Ink navy paper, signal-blue linework, amber markers, monospace annotations.
   ========================================================================== */

:root{
  --ink:        #0B1220;
  --ink-soft:   #182338;
  --paper:      #F6F7FA;
  --paper-dim:  #ECEEF3;
  --line:       #D9DEE7;
  --slate:      #5B6472;
  --signal:     #2F5FFF;
  --signal-dim: #EAEFFF;
  --amber:      #FFB020;
  --green:      #17A673;
  --white:      #FFFFFF;

  --font-display: 'Space Grotesk', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --container: 1180px;
  --radius: 4px;
  --ease: cubic-bezier(.16,.84,.44,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; overflow-x:hidden; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ font-family:var(--font-display); margin:0 0 .5em; line-height:1.12; letter-spacing:-.01em; }
p{ margin:0 0 1em; color:var(--slate); }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }

:focus-visible{ outline:2px solid var(--signal); outline-offset:3px; }

.container{ max-width:var(--container); margin:0 auto; padding:0 24px; }

/* ---------- eyebrow / mono labels ---------- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--signal);
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
}
.eyebrow::before{ content:"//"; color:var(--amber); }

/* ---------- skip link ---------- */
.skip-link{
  position:absolute; left:-999px; top:0; background:var(--ink); color:var(--white);
  padding:10px 16px; z-index:1000; font-family:var(--font-mono); font-size:14px;
}
.skip-link:focus{ left:16px; top:16px; }

/* ==========================================================================
   HEADER
   ========================================================================== */
/* ---------- Top utility bar (row 1: contact + socials, scrolls away) ---------- */
.header-topbar{ background:var(--ink); color:rgba(255,255,255,.75); position:relative; z-index:600; }
.topbar-inner{ display:flex; align-items:center; justify-content:space-between; height:38px; }
.topbar-contact{ display:flex; align-items:center; gap:22px; }
.topbar-contact a{ display:inline-flex; align-items:center; gap:6px; font-family:var(--font-mono); font-size:12px; color:rgba(255,255,255,.75); transition:color .2s var(--ease); }
.topbar-contact a:hover{ color:var(--amber); }
.topbar-social{ display:flex; align-items:center; gap:16px; }
.topbar-social a{ display:flex; color:rgba(255,255,255,.55); transition:color .2s var(--ease), transform .2s var(--ease); }
.topbar-social a svg{ width:14px; height:14px; }
.topbar-social a:hover{ color:var(--amber); transform:translateY(-1px); }
@media (max-width:760px){ .header-topbar{ display:none; } }
@media (max-width:1150px) and (min-width:761px){ .topbar-contact a:nth-child(2){ display:none; } }

/* ---------- Main row (row 2: logo + nav, sticky) ---------- */
.site-header{
  position:sticky; top:0; z-index:1700;
  background:rgba(246,247,250,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; height:76px; gap:24px; transition:height .25s var(--ease); }
.logo{ display:flex; align-items:center; flex:none; transition:transform .25s var(--ease); }
.logo:hover{ transform:scale(1.03); }
.logo img{ height:38px; width:auto; display:block; transition:height .25s var(--ease); }

nav.main-nav{ display:flex; align-items:center; gap:2px; }
nav.main-nav > ul{ display:flex; align-items:center; gap:2px; }
nav.main-nav > ul > li{ position:relative; }
nav.main-nav a.nav-link{
  display:flex; align-items:center; gap:4px; padding:10px 16px; font-size:14.5px; font-weight:500; color:var(--ink);
  border-radius:var(--radius); transition:color .2s var(--ease); position:relative;
}
nav.main-nav a.nav-link::after{
  content:""; position:absolute; left:16px; right:16px; bottom:6px; height:2px; background:var(--signal);
  transform:scaleX(0); transform-origin:left; transition:transform .25s var(--ease);
}
nav.main-nav a.nav-link:hover{ color:var(--signal); }
nav.main-nav a.nav-link:hover::after{ transform:scaleX(1); }
nav.main-nav > ul > li.current > a.nav-link{ color:var(--signal); }
nav.main-nav > ul > li.current > a.nav-link::after{ transform:scaleX(1); }

.site-header.scrolled .header-inner{ height:64px; }
.site-header.scrolled .logo img{ height:32px; }
.site-header.scrolled{ box-shadow:0 6px 24px rgba(11,18,32,.08); border-bottom-color:transparent; }
.caret{ font-size:11px; transition:transform .2s var(--ease); }
.mega-parent:hover .caret{ transform:rotate(180deg); }

.nav-drawer-head, .nav-drawer-foot{ display:none; }

/* ---------- Mega menu (desktop) ---------- */
.dropdown.mega-menu{
  position:absolute; top:calc(100% + 10px); 
  /* left:50%;  */
  transform:translate(-50%,6px);
  width:640px; max-width:80vw; background:var(--white);
  border:1px solid var(--line); border-radius:12px; box-shadow:0 24px 60px rgba(11,18,32,.14);
  padding:20px; opacity:0; visibility:hidden; transition:opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
}
nav.main-nav li.mega-parent:hover > .dropdown, nav.main-nav li.mega-parent:focus-within > .dropdown{
  opacity:1; visibility:visible; transform:translate(-50%,0);
}
.mega-grid{ display:grid; grid-template-columns:1fr 1fr 1fr; gap:6px; }
.mega-item{ display:flex; gap:10px; align-items:flex-start; padding:10px; border-radius:8px; transition:background .15s var(--ease); }
.mega-item:hover{ background:var(--paper-dim); }
.mega-icon{ width:34px; height:34px; border-radius:7px; background:var(--signal-dim); color:var(--signal); display:flex; align-items:center; justify-content:center; flex:none; }
.mega-text strong{ display:block; font-size:13.5px; color:var(--ink); }
.mega-text small{ display:block; font-size:11.5px; color:var(--slate); margin-top:2px; line-height:1.4; }
.mega-viewall{ display:flex; justify-content:flex-end; align-items:center; gap:6px; font-family:var(--font-mono); font-size:12.5px; color:var(--signal); border-top:1px solid var(--line); margin-top:14px; padding-top:14px; }

.header-cta{ display:flex; align-items:center; gap:14px; flex:none; }

@media (min-width:861px) and (max-width:1150px){
  nav.main-nav a.nav-link{ padding:10px 10px; font-size:13.5px; }
  .header-cta{ gap:8px; }
  .header-cta .btn-primary{ padding:11px 14px; font-size:13px; }
  .tel-link{ display:none; }
}
.tel-link{ font-family:var(--font-mono); font-size:13.5px; color:var(--slate); display:none; }

.nav-overlay{
  position:fixed; inset:0; background:rgba(11,18,32,.5); z-index:1500;
  opacity:0; visibility:hidden; transition:opacity .3s var(--ease), visibility .3s;
}
.nav-overlay.show{ opacity:1; visibility:visible; }

.btn{
  display:inline-flex; align-items:center; gap:8px; justify-content:center;
  padding:12px 22px; border-radius:3px; font-weight:600; font-size:14.5px;
  border:1px solid transparent; transition:transform .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{ background:var(--ink); color:var(--white); }
.btn-primary:hover{ background:var(--signal); transform:translateY(-2px); }
.btn-primary .arrow{ transition:transform .2s var(--ease); }
.btn-primary:hover .arrow{ transform:translateX(3px); }
.btn-ghost{ background:transparent; border-color:var(--line); }
.btn-ghost:hover{ border-color:var(--signal); color:var(--signal); }
.btn-block{ width:100%; }

.menu-toggle{
  display:none; background:none; border:1px solid var(--line); border-radius:4px;
  width:42px; height:42px; align-items:center; justify-content:center;
}
.menu-toggle span{ display:block; width:18px; height:2px; background:var(--ink); position:relative; }
.menu-toggle span::before,.menu-toggle span::after{ content:""; position:absolute; left:0; width:18px; height:2px; background:var(--ink); transition:transform .2s; }
.menu-toggle span::before{ top:-6px; }
.menu-toggle span::after{ top:6px; }
.menu-toggle.active span{ background:transparent; }
.menu-toggle.active span::before{ transform:translateY(6px) rotate(45deg); }
.menu-toggle.active span::after{ transform:translateY(-6px) rotate(-45deg); }

/* ==========================================================================
   HERO / BLUEPRINT NETWORK SIGNATURE
   ========================================================================== */
.hero{
  position:relative; overflow:hidden; background:var(--ink); color:var(--white);
  padding:96px 0 110px;
}
.hero::before{
  content:""; position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(ellipse at 70% 20%, black 0%, transparent 72%);
}
.hero-grid{ position:relative; z-index:2; display:grid; grid-template-columns:1.15fr .85fr; gap:48px; align-items:center; }
.hero-eyebrow{ font-family:var(--font-mono); font-size:13px; letter-spacing:.14em; text-transform:uppercase; color:var(--amber); margin-bottom:18px; display:flex; align-items:center; gap:8px; }
.hero-eyebrow::before{ content:"●"; font-size:8px; color:var(--green); animation:pulse 2s infinite; }
@keyframes pulse{ 0%,100%{ opacity:1;} 50%{ opacity:.35; } }
.hero h1{ font-size:clamp(34px,5vw,58px); color:var(--white); }
.hero h1 .accent{ color:var(--amber); }
.hero p.lede{ color:rgba(255,255,255,.72); font-size:18px; max-width:520px; margin-bottom:30px; }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:38px; }
.hero .btn-ghost{ border-color:rgba(255,255,255,.25); color:var(--white); }
.hero .btn-ghost:hover{ border-color:var(--amber); color:var(--amber); }
.hero .btn-primary{ background:var(--amber); color:var(--ink); }
.hero .btn-primary:hover{ background:var(--white); }

.hero-stats{ display:flex; gap:34px; flex-wrap:wrap; }
.hero-stats div strong{ display:block; font-family:var(--font-mono); font-size:26px; color:var(--amber); }
.hero-stats div span{ font-size:12.5px; color:rgba(255,255,255,.55); text-transform:uppercase; letter-spacing:.06em; }

/* network schematic svg */
.hero-schematic{ position:relative; z-index:2; }
.hero-schematic svg{ width:100%; height:auto; }
.node-pulse{ animation:node-pulse 2.6s ease-in-out infinite; }
@keyframes node-pulse{ 0%,100%{ opacity:.55; r:4; } 50%{ opacity:1; r:6; } }
.line-draw{ stroke-dasharray:400; stroke-dashoffset:400; animation:line-draw 2.4s var(--ease) forwards; }
@keyframes line-draw{ to{ stroke-dashoffset:0; } }

/* ==========================================================================
   SECTIONS / GENERIC
   ========================================================================== */
section{ padding:90px 0; }
.section-tight{ padding:64px 0; }
.section-alt{ background:var(--white); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.section-head{ max-width:640px; margin-bottom:52px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
h2.h-title{ font-size:clamp(26px,3.4vw,40px); }
.text-slate{ color:var(--slate); }

/* reveal-on-scroll (used with IntersectionObserver) */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .6s var(--ease), transform .6s var(--ease); transition-delay:calc(var(--i, 0) * 80ms); }
.reveal.in-view{ opacity:1; transform:translateY(0); }

/* reveal-on-load (above-the-fold hero content — animates immediately, not on scroll) */
@keyframes fadeInUp{ from{ opacity:0; transform:translateY(18px); } to{ opacity:1; transform:translateY(0); } }
.reveal-load{ animation:fadeInUp .7s var(--ease) both; animation-delay:calc(var(--i, 0) * 140ms); }
@media (prefers-reduced-motion: reduce){ .reveal-load{ animation:none; opacity:1; transform:none; } }

/* ---------- bracket cards ---------- */
.bracket-card{
  position:relative; background:var(--white); border:1px solid var(--line);
  border-radius:6px; padding:30px 26px; transition:transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.bracket-card::before,.bracket-card::after{
  content:""; position:absolute; width:16px; height:16px; border:2px solid var(--line);
  transition:border-color .25s var(--ease);
}
.bracket-card::before{ top:-1px; left:-1px; border-right:none; border-bottom:none; }
.bracket-card::after{ bottom:-1px; right:-1px; border-left:none; border-top:none; }
.bracket-card:hover{ transform:translateY(-5px); box-shadow:0 20px 40px rgba(11,18,32,.09); }
.bracket-card:hover::before,.bracket-card:hover::after{ border-color:var(--signal); }
.card-index{ font-family:var(--font-mono); font-size:12px; color:var(--amber); margin-bottom:14px; display:block; }
.card-icon{ width:44px; height:44px; border-radius:6px; background:var(--signal-dim); color:var(--signal); display:flex; align-items:center; justify-content:center; margin-bottom:18px; transition:transform .3s var(--ease), background .3s var(--ease), color .3s var(--ease); }
.bracket-card:hover .card-icon{ transform:scale(1.12) rotate(-6deg); background:var(--signal); color:var(--white); }
.bracket-card h3{ font-size:19px; margin-bottom:8px; }
.bracket-card p{ font-size:14.5px; margin-bottom:14px; }
.card-link{ font-family:var(--font-mono); font-size:12.5px; color:var(--signal); display:inline-flex; align-items:center; gap:6px; }
.card-link .arrow{ transition:transform .2s var(--ease); }
.bracket-card:hover .card-link .arrow{ transform:translateX(4px); }

.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.grid-2{ display:grid; grid-template-columns:repeat(2,1fr); gap:26px; }
.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }

/* ---------- process / numbered (real sequence) ---------- */
.process-row{ display:grid; grid-template-columns:repeat(4,1fr); gap:0; position:relative; }
.process-step{ position:relative; padding:0 20px 0 0; }
.process-step:not(:last-child)::after{
  content:""; position:absolute; top:22px; right:-10px; width:calc(100% - 10px); height:1px;
  background:repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 12px);
}
.process-num{ font-family:var(--font-mono); font-size:13px; color:var(--white); background:var(--ink); width:44px; height:44px; border-radius:50%; display:flex; align-items:center; justify-content:center; margin-bottom:18px; position:relative; z-index:2; }
.process-step h4{ font-size:17px; margin-bottom:6px; }
.process-step p{ font-size:14px; }

/* ---------- stats strip ---------- */
.stats-strip{ background:var(--ink); color:var(--white); }
.stats-strip .grid-4{ text-align:center; }
.stats-strip strong{ display:block; font-family:var(--font-mono); font-size:34px; color:var(--amber); }
.stats-strip span{ font-size:12.5px; text-transform:uppercase; letter-spacing:.06em; color:rgba(255,255,255,.6); }

/* ---------- logos marquee ---------- */
.logo-strip{ display:flex; flex-wrap:wrap; gap:36px; align-items:center; justify-content:center; opacity:.75; }
.logo-strip img{ height:34px; width:auto; filter:grayscale(1); opacity:.7; transition:opacity .2s, filter .2s; }
.logo-strip img:hover{ filter:none; opacity:1; }

/* ---------- testimonials ---------- */
.testi-card{ background:var(--white); border:1px solid var(--line); border-radius:8px; padding:28px; }
.testi-card p{ font-size:15px; color:var(--ink); }
.testi-person{ display:flex; align-items:center; gap:12px; margin-top:18px; }
.testi-person img{ width:42px; height:42px; border-radius:50%; object-fit:cover; }
.testi-person strong{ display:block; font-size:14px; }
.testi-person span{ font-size:12.5px; color:var(--slate); }
.stars{ color:var(--amber); font-size:14px; letter-spacing:2px; margin-bottom:12px; }

/* ---------- Fun-fact trust strip (globe + avatar stack) ---------- */
.fun-fact{ padding:70px 0; }
.fun-fact-grid{ display:flex; align-items:center; justify-content:space-between; gap:40px; flex-wrap:wrap; }
.fun-fact-copy{ flex:1 1 320px; }
.fun-fact-copy h2{ font-size:clamp(24px,3vw,34px); }
.fun-fact-copy h2 .fade{ background:linear-gradient(90deg, var(--ink) 0%, rgba(11,18,32,.25) 100%); -webkit-background-clip:text; background-clip:text; color:transparent; }
.fun-fact-stat{ display:flex; align-items:center; gap:18px; padding-left:40px; border-left:1px solid var(--line); flex:none; }
.fun-fact-stat .globe-graphic{ width:76px; height:76px; flex:none; }
.fun-fact-stat strong{ display:block; font-family:var(--font-mono); font-size:38px; line-height:1; color:var(--ink); }
.fun-fact-stat span{ font-size:13.5px; color:var(--slate); }
.avatar-stack{ display:flex; flex:none; }
.avatar-stack .av{
  width:52px; height:52px; border-radius:50%; border:3px solid var(--paper);
  display:flex; align-items:center; justify-content:center; color:var(--white);
  margin-left:-14px; box-shadow:0 4px 10px rgba(11,18,32,.12);
}
.avatar-stack .av:first-child{ margin-left:0; }
@media (max-width:760px){
  .fun-fact-grid{ flex-direction:column; align-items:flex-start; }
  .fun-fact-stat{ border-left:none; border-top:1px solid var(--line); padding-left:0; padding-top:20px; width:100%; }
}

/* ---------- WhatsApp floating chat button ---------- */
.wa-float{
  position:fixed; right:22px; bottom:22px; z-index:1800;
  width:56px; height:56px; border-radius:50%; background:#25D366; color:#fff;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 10px 26px rgba(37,211,102,.45);
  transition:transform .2s var(--ease), box-shadow .2s var(--ease);
}
.wa-float:hover{ transform:translateY(-3px) scale(1.05); box-shadow:0 14px 32px rgba(37,211,102,.55); }
.wa-float-tip{
  position:absolute; right:66px; white-space:nowrap; background:var(--ink); color:#fff;
  font-size:12.5px; font-family:var(--font-mono); padding:7px 12px; border-radius:6px;
  opacity:0; visibility:hidden; transform:translateX(6px); transition:opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
}
.wa-float:hover .wa-float-tip{ opacity:1; visibility:visible; transform:translateX(0); }
@media (max-width:640px){ .wa-float{ right:16px; bottom:16px; width:52px; height:52px; } .wa-float-tip{ display:none; } }
body.nav-is-open .wa-float{ display:none; }

.footer-col a.whatsapp-footer-link{ display:inline-flex; align-items:center; gap:8px; }
.footer-col a.whatsapp-footer-link svg{ color:#25D366; flex:none; }

/* ---------- Tabs (Design / Build / Grow, etc.) ---------- */
.tabs-nav{ display:flex; gap:8px; flex-wrap:wrap; margin-bottom:30px; }
.tab-btn{ background:var(--white); border:1px solid var(--line); padding:11px 20px; border-radius:30px; font-size:14px; font-weight:600; color:var(--slate); transition:all .2s var(--ease); }
.tab-btn.active{ background:var(--ink); color:var(--white); border-color:var(--ink); }
.tab-btn:hover:not(.active){ border-color:var(--signal); color:var(--signal); }
.tab-panel{ display:none; }
.tab-panel.active{ display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:center; }

/* ---------- FAQ accordion ---------- */
.faq-item{ border-bottom:1px solid var(--line); }
.faq-q{ width:100%; text-align:left; background:none; border:none; padding:20px 0; display:flex; justify-content:space-between; align-items:center; gap:20px; font-family:var(--font-display); font-size:16.5px; font-weight:600; color:var(--ink); }
.faq-q .plus{ font-family:var(--font-mono); color:var(--signal); font-size:20px; transition:transform .25s var(--ease); flex:none; }
.faq-item.open .faq-q .plus{ transform:rotate(45deg); }
.faq-a{ max-height:0; overflow:hidden; transition:max-height .3s var(--ease); }
.faq-a p{ padding-bottom:20px; margin:0; font-size:14.5px; }

/* ---------- CTA banner ---------- */
.cta-band{ background:var(--signal); color:var(--white); border-radius:10px; padding:56px; display:flex; align-items:center; justify-content:space-between; gap:30px; flex-wrap:wrap; position:relative; overflow:hidden; }
.cta-band::before{ content:""; position:absolute; inset:0; background-image:linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px); background-size:30px 30px; }
.cta-band h2{ color:var(--white); font-size:clamp(22px,3vw,32px); position:relative; }
.cta-band p{ color:rgba(255,255,255,.85); position:relative; }
.cta-band .btn-primary{ background:var(--ink); color:var(--white); position:relative; }
.cta-band .btn-primary:hover{ background:var(--amber); color:var(--ink); }

/* ==========================================================================
   CONTACT FORM (shared component, all pages)
   ========================================================================== */
.contact-wrap{ display:grid; grid-template-columns:.9fr 1.1fr; gap:0; background:var(--white); border:1px solid var(--line); border-radius:10px; overflow:hidden; }
.contact-info{ background:var(--ink); color:var(--white); padding:48px 40px; position:relative; }
.contact-info::before{ content:""; position:absolute; inset:0; background-image:linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px); background-size:34px 34px; }
.contact-info h3{ color:var(--white); position:relative; }
.contact-info p{ color:rgba(255,255,255,.7); position:relative; }
.contact-detail{ display:flex; gap:12px; align-items:flex-start; margin-bottom:20px; position:relative; }
.contact-detail .ci{ width:36px; height:36px; border-radius:6px; background:rgba(255,176,32,.15); color:var(--amber); display:flex; align-items:center; justify-content:center; flex:none; }
.contact-detail strong{ display:block; font-size:13.5px; color:var(--white); }
.contact-detail span, .contact-detail a{ font-size:13.5px; color:rgba(255,255,255,.65); }
.social-row{ display:flex; gap:10px; margin-top:26px; position:relative; }
.social-row a{ width:36px; height:36px; border:1px solid rgba(255,255,255,.2); border-radius:6px; display:flex; align-items:center; justify-content:center; transition:border-color .2s,background .2s,color .2s; color:rgba(255,255,255,.85); }
.social-row a:hover{ border-color:var(--amber); background:rgba(255,176,32,.1); color:var(--amber); }

.contact-form{ padding:48px 40px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.field{ margin-bottom:18px; }
.field label{ display:block; font-size:13px; font-weight:600; margin-bottom:7px; font-family:var(--font-mono); text-transform:uppercase; letter-spacing:.04em; color:var(--ink); }
.field input, .field select, .field textarea{
  width:100%; border:1px solid var(--line); border-radius:5px; padding:12px 14px; font-family:var(--font-body); font-size:14.5px; background:var(--paper); color:var(--ink);
  transition:border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color:var(--signal); box-shadow:0 0 0 3px var(--signal-dim); }
.field textarea{ resize:vertical; min-height:110px; }
.field.error input, .field.error select, .field.error textarea{ border-color:#E5484D; }
.field-error-msg{ font-size:12.5px; color:#E5484D; margin-top:5px; display:none; }
.field.error .field-error-msg{ display:block; }
.form-note{ font-size:12.5px; color:var(--slate); margin-top:12px; }
.form-status{ margin-top:14px; font-size:14px; font-family:var(--font-mono); display:none; }
.form-status.show{ display:block; }
.form-status.success{ color:var(--green); }
.form-status.fail{ color:#E5484D; }
.hp-field{ position:absolute; left:-9999px; opacity:0; height:0; width:0; }

/* ==========================================================================
   BREADCRUMB
   ========================================================================== */
.breadcrumb{ padding:18px 0; border-bottom:1px solid var(--line); background:var(--white); }
.breadcrumb ul{ display:flex; gap:8px; flex-wrap:wrap; font-family:var(--font-mono); font-size:12.5px; color:var(--slate); }
.breadcrumb a{ color:var(--slate); }
.breadcrumb a:hover{ color:var(--signal); }
.breadcrumb li:not(:last-child)::after{ content:"/"; margin-left:8px; color:var(--line); }

/* ==========================================================================
   PAGE HERO (inner pages)
   ========================================================================== */
.page-hero{ background:var(--ink); color:var(--white); padding:58px 0 68px; position:relative; overflow:hidden; }
.page-hero::before{ content:""; position:absolute; inset:0; background-image:linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px); background-size:44px 44px; mask-image:radial-gradient(ellipse at 80% 0%, black 0%, transparent 70%); }
.page-hero .container{ position:relative; }
.page-hero h1{ color:var(--white); font-size:clamp(30px,4.4vw,46px); max-width:760px; }
.page-hero p{ color:rgba(255,255,255,.72); max-width:600px; font-size:17px; }

.page-hero.has-image{ padding:56px 0; }
.hero-with-image{ display:grid; grid-template-columns:1.2fr .8fr; gap:44px; align-items:center; }
.page-hero-image{ border-radius:10px; overflow:hidden; border:1px solid rgba(255,255,255,.12); box-shadow:0 24px 60px rgba(0,0,0,.35); }
.page-hero-image img{ width:100%; height:100%; object-fit:cover; display:block; }
@media (max-width:860px){ .hero-with-image{ grid-template-columns:1fr; } .page-hero-image{ order:-1; max-width:340px; margin:0 auto; } }

/* ---------- service detail specifics ---------- */
.feature-list li{ display:flex; gap:12px; align-items:flex-start; margin-bottom:14px; }
.feature-list .tick{ width:22px; height:22px; border-radius:50%; background:var(--signal-dim); color:var(--signal); display:flex; align-items:center; justify-content:center; flex:none; font-size:12px; margin-top:2px; }
.feature-list p{ margin:0; color:var(--ink); font-size:15px; }

.detail-split{ display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.tag-pill{ display:inline-block; padding:5px 12px; border:1px solid var(--line); border-radius:20px; font-family:var(--font-mono); font-size:11.5px; color:var(--slate); margin:0 8px 8px 0; }

/* ---------- Hero / feature image slider ---------- */
.hs-slider{ position:relative; border-radius:10px; overflow:hidden; border:1px solid rgba(255,255,255,.12); background:var(--ink); aspect-ratio:4/3; }
.hs-slide{ position:absolute; inset:0; opacity:0; transition:opacity .7s var(--ease); }
.hs-slide.active{ opacity:1; }
.hs-slide img{ width:100%; height:100%; object-fit:cover; }
.hs-caption{ position:absolute; left:16px; bottom:16px; background:rgba(11,18,32,.72); backdrop-filter:blur(6px); color:#fff; padding:8px 14px; border-radius:20px; font-family:var(--font-mono); font-size:12px; letter-spacing:.04em; }
.hs-dots{ position:absolute; right:14px; bottom:14px; display:flex; gap:6px; z-index:3; }
.hs-dot{ width:8px; height:8px; border-radius:50%; background:rgba(255,255,255,.4); border:none; padding:0; transition:background .2s, transform .2s; }
.hs-dot.active{ background:var(--amber); transform:scale(1.25); }
.hs-dot:hover{ background:rgba(255,255,255,.7); }

.footer-logo{ display:inline-flex; background:var(--white); padding:8px 14px; border-radius:8px; margin-bottom:16px; }
.footer-logo img{ display:block; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
footer.site-footer{ background:var(--ink); color:rgba(255,255,255,.6); padding:64px 0 26px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:40px; margin-bottom:48px; }
.footer-logo{ color:var(--white); font-family:var(--font-display); font-weight:700; font-size:20px; margin-bottom:14px; display:flex; align-items:center; gap:10px; }
.footer-col h4{ color:var(--white); font-size:13px; text-transform:uppercase; letter-spacing:.08em; font-family:var(--font-mono); margin-bottom:16px; }
.footer-col ul li{ margin-bottom:10px; }
.footer-col a{ font-size:14px; color:rgba(255,255,255,.6); transition:color .2s; }
.footer-col a:hover{ color:var(--amber); }
.footer-bottom{ border-top:1px solid rgba(255,255,255,.12); padding-top:24px; display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px; font-size:13px; }
.footer-social{ display:flex; gap:10px; }
.footer-social a{ width:34px; height:34px; border:1px solid rgba(255,255,255,.15); border-radius:6px; display:flex; align-items:center; justify-content:center; }
.footer-social a:hover{ border-color:var(--amber); color:var(--amber); }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (min-width:900px){ .tel-link{ display:block; } }

@media (max-width:980px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-schematic{ order:-1; max-width:360px; margin:0 auto 20px; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .detail-split{ grid-template-columns:1fr; gap:30px; }
  .contact-wrap{ grid-template-columns:1fr; }
}

@media (max-width:860px){
  nav.main-nav{
    position:fixed; top:0; right:0; bottom:0; left:auto; width:min(340px,86vw); height:100vh;
    background:var(--paper); flex-direction:column; align-items:stretch; padding:0;
    transform:translateX(100%); transition:transform .32s var(--ease);
    border-left:1px solid var(--line); box-shadow:-20px 0 50px rgba(11,18,32,.18);
    z-index:1600; overflow-y:auto;
  }
  nav.main-nav.open{ transform:translateX(0); }
  .nav-drawer-head{
    display:flex; align-items:center; justify-content:space-between; padding:20px;
    font-family:var(--font-mono); text-transform:uppercase; letter-spacing:.08em; font-size:13px; color:var(--slate);
    border-bottom:1px solid var(--line);
  }
  .nav-close{ background:none; border:1px solid var(--line); border-radius:6px; width:34px; height:34px; font-size:16px; color:var(--ink); }
  nav.main-nav > ul{ flex-direction:column; align-items:stretch; gap:0; padding:8px 14px; }
  nav.main-nav a.nav-link{ padding:15px 6px; border-bottom:1px solid var(--line); border-radius:0; justify-content:space-between; }
  .dropdown.mega-menu{
    position:static; opacity:1; visibility:visible; transform:none; box-shadow:none; border:none;
    width:auto; max-width:none; padding:6px 6px 14px; display:none;
  }
  .mega-parent.dd-open > .dropdown.mega-menu{ display:block; }
  .mega-parent.dd-open .caret{ transform:rotate(180deg); }
  .mega-grid{ grid-template-columns:1fr; gap:2px; }
  .mega-viewall{ justify-content:flex-start; }
  .nav-drawer-foot{ display:block; padding:18px; border-top:1px solid var(--line); margin-top:auto; }
  .nav-drawer-foot .tel-link{ display:block; margin-bottom:12px; }

  .menu-toggle{ display:flex; }
  .header-cta .btn-primary{ display:none; }
  .header-inner{ gap:10px; }
  .grid-3, .grid-2, .grid-4{ grid-template-columns:1fr; }
  .process-row{ grid-template-columns:1fr; gap:28px; }
  .process-step::after{ display:none; }
  .form-row{ grid-template-columns:1fr; }
  .cta-band{ padding:36px 24px; }
  section{ padding:60px 0; }
}

@media (max-width:520px){
  .hero{ padding:64px 0 70px; }
  .hero-stats{ gap:22px; }
  .contact-info, .contact-form{ padding:32px 22px; }
}