/* =========================================================
   ARPIT MANPOWER SERVICES — STYLESHEET
   Design tokens follow brand: navy + orange, Poppins type
   Signature motif: the logo's circular arc, echoed as a
   recurring "orbit" device across hero, badges, and dividers.
========================================================= */

:root{
  --blue-900:#0B2D6D;
  --blue-800:#133B86;
  --blue-950:#071B45;
  --orange:#F58220;
  --orange-dark:#D96A0C;
  --white:#FFFFFF;
  --bg-light:#F8FAFC;
  --text-dark:#1F2937;
  --grey-100:#E5E7EB;
  --grey-500:#6B7280;

  --radius:18px;
  --radius-sm:10px;
  --shadow-sm:0 4px 16px rgba(11,45,109,0.08);
  --shadow-md:0 12px 32px rgba(11,45,109,0.12);
  --shadow-lg:0 24px 60px rgba(11,45,109,0.18);

  --font: 'Poppins', sans-serif;
  --container: 1220px;

  --ease: cubic-bezier(.16,.84,.44,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font);
  color:var(--text-dark);
  background:var(--white);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ text-decoration:none; color:inherit; }
ul{ list-style:none; margin:0; padding:0; }
button{ font-family:var(--font); cursor:pointer; }
input,textarea,select{ font-family:var(--font); }

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

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
}

::selection{ background:var(--orange); color:var(--white); }

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline:2px solid var(--orange);
  outline-offset:2px;
}

/* =============== PRELOADER =============== */
.preloader{
  position:fixed; inset:0; z-index:9999;
  background:linear-gradient(160deg,var(--blue-950),var(--blue-900));
  display:flex; align-items:center; justify-content:center;
  transition:opacity .6s var(--ease), visibility .6s var(--ease);
}
.preloader.hide{ opacity:0; visibility:hidden; }
.preloader-mark{ position:relative; width:120px; height:120px; display:flex; align-items:center; justify-content:center; }
.preloader-arc{
  position:absolute; inset:0; border-radius:50%;
  border:3px solid rgba(255,255,255,0.15);
  border-top-color:var(--orange);
  animation:spin 1s linear infinite;
}
.preloader-logo{ width:70px; border-radius:50%; background:#fff; padding:6px; }
@keyframes spin{ to{ transform:rotate(360deg); } }

/* =============== TYPOGRAPHY =============== */
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  letter-spacing:2.6px;
  text-transform:uppercase;
  color:var(--orange);
  margin:0 0 12px;
}
.eyebrow.center{ display:block; text-align:center; }

.section-title{
  font-size:clamp(28px,4vw,42px);
  font-weight:800;
  letter-spacing:-0.5px;
  color:var(--blue-900);
  margin:0 0 16px;
  line-height:1.15;
}
.section-title.center{ text-align:center; }
.section-sub{
  font-size:16px;
  color:var(--grey-500);
  max-width:560px;
  margin:0 0 40px;
  line-height:1.7;
}
.section-sub.center{ margin-left:auto; margin-right:auto; text-align:center; }

/* =============== BUTTONS =============== */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding:14px 28px;
  border-radius:100px;
  font-size:15px; font-weight:600;
  border:none;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), background .35s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--orange);
  color:var(--white);
  box-shadow:0 10px 24px rgba(245,130,32,0.35);
}
.btn-primary:hover{ transform:translateY(-3px); box-shadow:0 16px 34px rgba(245,130,32,0.45); background:var(--orange-dark); }
.btn-outline{
  background:transparent;
  color:var(--white);
  border:1.5px solid rgba(255,255,255,0.5);
}
.btn-outline:hover{ background:rgba(255,255,255,0.12); border-color:#fff; transform:translateY(-3px); }
.btn-cta{
  background:var(--white);
  color:var(--blue-900);
  padding:11px 22px;
  box-shadow:var(--shadow-sm);
}
.btn-cta:hover{ background:var(--orange); color:#fff; transform:translateY(-2px); }
.btn-block{ width:100%; justify-content:center; margin-top:8px; }

/* =============== NAVBAR =============== */
.navbar{
  position:fixed; top:0; left:0; right:0; z-index:1000;
  padding:18px 0;
  transition:background .4s var(--ease), padding .4s var(--ease), box-shadow .4s var(--ease);
}
.navbar.scrolled{
  background:rgba(255,255,255,0.92);
  backdrop-filter:blur(14px);
  padding:12px 0;
  box-shadow:0 4px 24px rgba(11,45,109,0.08);
}
.nav-container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  display:flex; align-items:center; justify-content:space-between;
}
.brand-logo{ height:52px; width:auto; border-radius:10px; transition:height .4s var(--ease); }
.navbar.scrolled .brand-logo{ height:44px; }

.nav-links{ display:flex; align-items:center; gap:32px; }
.nav-link{
  position:relative;
  font-size:14.5px; font-weight:500;
  color:#fff;
  padding:6px 2px;
  transition:color .3s;
}
.navbar.scrolled .nav-link{ color:var(--text-dark); }
.nav-link::after{
  content:''; position:absolute; left:0; bottom:-2px;
  width:0; height:2px; background:var(--orange);
  transition:width .35s var(--ease);
}
.nav-link:hover, .nav-link.active-link{ color:var(--orange); }
.navbar.scrolled .nav-link:hover, .navbar.scrolled .nav-link.active-link{ color:var(--orange); }
.nav-link:hover::after, .nav-link.active-link::after{ width:100%; }

.nav-actions{ display:flex; align-items:center; gap:18px; }

.hamburger{
  display:none; flex-direction:column; gap:5px;
  background:none; border:none; padding:8px;
}
.hamburger span{
  width:24px; height:2px; background:#fff; border-radius:2px;
  transition:all .35s var(--ease);
}
.navbar.scrolled .hamburger span{ background:var(--blue-900); }
.hamburger.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2){ opacity:0; }
.hamburger.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* =============== HERO =============== */
.hero{
  position:relative;
  min-height:100vh;
  display:flex; align-items:center;
  background:linear-gradient(150deg,var(--blue-950) 0%,var(--blue-900) 55%,var(--blue-800) 100%);
  overflow:hidden;
  padding:140px 0 100px;
}
.hero-bg{ position:absolute; inset:0; z-index:0; }
.hero-shape{
  position:absolute; border-radius:50%;
  filter:blur(2px);
  opacity:0.35;
}
.shape-a{
  width:420px; height:420px;
  background:radial-gradient(circle,rgba(245,130,32,0.35),transparent 70%);
  top:-120px; right:-100px;
  animation:float-a 9s ease-in-out infinite;
}
.shape-b{
  width:320px; height:320px;
  background:radial-gradient(circle,rgba(255,255,255,0.12),transparent 70%);
  bottom:-100px; left:10%;
  animation:float-b 11s ease-in-out infinite;
}
@keyframes float-a{ 0%,100%{ transform:translate(0,0); } 50%{ transform:translate(-30px,30px); } }
@keyframes float-b{ 0%,100%{ transform:translate(0,0); } 50%{ transform:translate(25px,-25px); } }

.hero-arc{
  position:absolute; top:50%; left:70%;
  width:900px; height:900px;
  transform:translate(-50%,-50%);
  opacity:0.08;
}
.hero-arc circle{ fill:none; stroke:#fff; stroke-width:1; stroke-dasharray:6 10; }

.hero-container{
  position:relative; z-index:1;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:40px;
  align-items:center;
}
.hero-copy .eyebrow{ color:var(--orange); }
.hero-title{
  font-size:clamp(34px,5.2vw,58px);
  font-weight:800;
  line-height:1.08;
  color:#fff;
  margin:0 0 22px;
  letter-spacing:-0.5px;
}
.hero-title .line{ display:block; }
.hero-title .accent{ color:var(--orange); }
.hero-sub{
  font-size:17px;
  color:rgba(255,255,255,0.75);
  max-width:480px;
  line-height:1.7;
  margin:0 0 34px;
}
.hero-btns{ display:flex; gap:16px; flex-wrap:wrap; }

/* hero visual / orbit signature */
.hero-visual{ position:relative; display:flex; align-items:center; justify-content:center; }
.orbit-ring{ position:relative; width:420px; height:420px; max-width:100%; }
.orbit-svg{ position:absolute; inset:0; width:100%; height:100%; animation:orbit-rotate 40s linear infinite; }
.orbit-path{ fill:none; stroke:rgba(255,255,255,0.18); stroke-width:1.5; stroke-dasharray:4 8; }
@keyframes orbit-rotate{ to{ transform:rotate(360deg); } }

.orbit-core{
  position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  width:150px; height:150px; border-radius:50%;
  background:linear-gradient(135deg,var(--orange),var(--orange-dark));
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 0 0 10px rgba(245,130,32,0.12), var(--shadow-lg);
}
.orbit-core i{ font-size:52px; color:#fff; }

.stat-card{
  position:absolute;
  background:rgba(255,255,255,0.1);
  backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,0.18);
  border-radius:var(--radius-sm);
  padding:16px 20px;
  color:#fff;
  text-align:center;
  min-width:130px;
  box-shadow:var(--shadow-md);
  animation:card-float 5s ease-in-out infinite;
}
.stat-card .stat-num,.stat-card .stat-num-text{ font-size:24px; font-weight:800; color:var(--orange); }
.stat-card .stat-plus{ font-size:20px; font-weight:800; color:var(--orange); }
.stat-card .stat-label{ display:block; font-size:11.5px; color:rgba(255,255,255,0.8); margin-top:2px; }
.card-1{ top:0; left:-10px; animation-delay:0s; }
.card-2{ bottom:30px; right:-20px; animation-delay:1.2s; }
.card-3{ bottom:-10px; left:35%; animation-delay:2.4s; }
@keyframes card-float{ 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(-10px); } }

.scroll-cue{
  position:absolute; bottom:28px; left:50%; transform:translateX(-50%);
  width:26px; height:42px; border:2px solid rgba(255,255,255,0.5); border-radius:20px;
  z-index:2;
}
.scroll-cue span{
  position:absolute; top:6px; left:50%; transform:translateX(-50%);
  width:5px; height:5px; border-radius:50%; background:var(--orange);
  animation:scroll-dot 1.6s ease-in-out infinite;
}
@keyframes scroll-dot{ 0%{ opacity:1; top:6px; } 70%{ opacity:0; top:24px; } 100%{ opacity:0; top:6px; } }

/* =============== ABOUT =============== */
.about{ padding:120px 0; background:var(--bg-light); }
.about-grid{
  display:grid; grid-template-columns:0.85fr 1.15fr; gap:70px; align-items:center;
}
.about-media{ position:relative; }
.about-frame{
  background:#fff; border-radius:var(--radius);
  padding:50px 30px; box-shadow:var(--shadow-md);
  display:flex; align-items:center; justify-content:center;
  border:1px solid var(--grey-100);
}
.about-logo{ width:80%; }
.about-badge{
  position:absolute; bottom:-24px; right:-16px;
  background:var(--blue-900); color:#fff;
  border-radius:var(--radius-sm);
  padding:16px 20px;
  display:flex; align-items:center; gap:14px;
  box-shadow:var(--shadow-lg);
  font-size:13px; font-weight:500; line-height:1.4;
  max-width:220px;
}
.about-badge i{ font-size:26px; color:var(--orange); }

.about-text{ font-size:16px; color:var(--grey-500); line-height:1.8; margin-bottom:26px; }
.about-list{
  display:grid; grid-template-columns:1fr 1fr; gap:12px 20px;
  margin-bottom:40px;
}
.about-list li{ font-size:14.5px; font-weight:500; color:var(--text-dark); display:flex; align-items:center; gap:10px; }
.about-list i{ color:var(--orange); background:rgba(245,130,32,0.12); width:22px; height:22px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:11px; }

.timeline{ display:flex; flex-direction:column; gap:22px; border-left:2px solid var(--grey-100); padding-left:28px; }
.timeline-item{ position:relative; }
.timeline-dot{
  position:absolute; left:-34px; top:4px;
  width:12px; height:12px; border-radius:50%;
  background:var(--orange); box-shadow:0 0 0 4px rgba(245,130,32,0.18);
}
.timeline-item h4{ margin:0 0 4px; font-size:16px; color:var(--blue-900); }
.timeline-item p{ margin:0; font-size:14px; color:var(--grey-500); }

/* =============== WHY CHOOSE US =============== */
.why-choose{
  padding:120px 0;
  background:linear-gradient(180deg,var(--blue-900),var(--blue-950));
  position:relative; overflow:hidden;
}
.why-choose::before{
  content:''; position:absolute; inset:0;
  background:radial-gradient(circle at 80% 20%,rgba(245,130,32,0.12),transparent 45%);
}
.why-choose .eyebrow{ color:var(--orange); }
.why-choose .section-title{ color:#fff; }
.why-choose .section-sub{ color:rgba(255,255,255,0.65); }

.why-grid{
  position:relative;
  display:grid; grid-template-columns:repeat(3,1fr); gap:26px;
}
.why-card{
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.1);
  backdrop-filter:blur(10px);
  border-radius:var(--radius);
  padding:36px 28px;
  transition:transform .4s var(--ease), background .4s var(--ease), border-color .4s var(--ease);
}
.why-card:hover{ transform:translateY(-8px); background:rgba(255,255,255,0.1); border-color:rgba(245,130,32,0.4); }
.why-icon{
  width:58px; height:58px; border-radius:16px;
  background:linear-gradient(135deg,var(--orange),var(--orange-dark));
  display:flex; align-items:center; justify-content:center;
  margin-bottom:20px;
  font-size:24px; color:#fff;
}
.why-card h3{ color:#fff; font-size:19px; margin:0 0 10px; }
.why-card p{ color:rgba(255,255,255,0.62); font-size:14.5px; line-height:1.7; margin:0; }

/* =============== SERVICES =============== */
.services{ padding:120px 0; background:#fff; }
.services-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:24px;
}
.service-card{
  background:var(--bg-light);
  border-radius:var(--radius);
  padding:32px 26px;
  border-top:3px solid transparent;
  transition:transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease), background .4s var(--ease);
}
.service-card:hover{
  transform:translateY(-8px);
  box-shadow:var(--shadow-md);
  border-top-color:var(--orange);
  background:#fff;
}
.service-icon{ font-size:30px; color:var(--blue-900); margin-bottom:18px; transition:color .3s; }
.service-card:hover .service-icon{ color:var(--orange); }
.service-card h3{ font-size:17px; color:var(--blue-900); margin:0 0 8px; }
.service-card p{ font-size:14px; color:var(--grey-500); line-height:1.6; margin:0; }

/* =============== INDUSTRIES =============== */
.industries{ padding:100px 0; background:var(--bg-light); }
.industries-grid{
  display:grid; grid-template-columns:repeat(5,1fr); gap:20px;
}
.industry-chip{
  background:#fff; border:1px solid var(--grey-100); border-radius:var(--radius-sm);
  padding:26px 16px; text-align:center;
  display:flex; flex-direction:column; align-items:center; gap:12px;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), background .35s var(--ease);
}
.industry-chip i{ font-size:26px; color:var(--orange); }
.industry-chip span{ font-size:13.5px; font-weight:600; color:var(--blue-900); }
.industry-chip:hover{ transform:translateY(-6px); box-shadow:var(--shadow-sm); background:var(--blue-900); }
.industry-chip:hover i, .industry-chip:hover span{ color:#fff; }

/* =============== PROCESS =============== */
.process{ padding:120px 0; background:#fff; }
.process-track{
  position:relative;
  display:grid; grid-template-columns:repeat(6,1fr); gap:20px;
}
.process-line{
  position:absolute; top:17px; left:0; right:0; height:2px;
  background:var(--grey-100); z-index:0;
}
.process-step{ position:relative; z-index:1; text-align:center; }
.process-num{
  display:inline-flex; align-items:center; justify-content:center;
  width:36px; height:36px; border-radius:50%;
  background:var(--blue-900); color:#fff; font-weight:700; font-size:13px;
  margin-bottom:16px;
}
.process-step h4{ font-size:15px; color:var(--blue-900); margin:0 0 8px; }
.process-step p{ font-size:13px; color:var(--grey-500); margin:0; line-height:1.6; }

/* =============== TRUST =============== */
.trust{ padding:100px 0; background:var(--bg-light); }
.trust-grid{ display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.trust-features{ display:flex; flex-direction:column; gap:16px; }
.trust-feature{
  display:flex; align-items:center; gap:14px;
  background:#fff; border-radius:var(--radius-sm);
  padding:18px 22px; box-shadow:var(--shadow-sm);
  font-weight:600; color:var(--blue-900); font-size:15px;
  transition:transform .3s var(--ease);
}
.trust-feature:hover{ transform:translateX(8px); }
.trust-feature i{ color:var(--orange); font-size:19px; }

/* =============== STATS BAND =============== */
.stats-band{
  padding:80px 0;
  background:linear-gradient(120deg,var(--blue-950),var(--blue-900));
}
.stats-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:20px; text-align:center;
}
.stat-block-num, .stat-block-plus{ font-size:clamp(32px,4vw,46px); font-weight:800; color:#fff; }
.stat-block-plus{ color:var(--orange); }
.stat-block p{ margin:6px 0 0; color:rgba(255,255,255,0.65); font-size:14px; letter-spacing:1px; text-transform:uppercase; }

/* =============== TESTIMONIALS =============== */
.testimonials{ padding:120px 0; background:#fff; }
.testimonial-slider{ max-width:720px; margin:0 auto; position:relative; }
.testimonial-track{ display:flex; transition:transform .6s var(--ease); }
.testimonial-card{
  min-width:100%;
  background:linear-gradient(135deg,rgba(11,45,109,0.04),rgba(245,130,32,0.05));
  border:1px solid var(--grey-100);
  border-radius:var(--radius);
  padding:44px;
  text-align:center;
}
.stars{ color:var(--orange); font-size:15px; margin-bottom:18px; letter-spacing:3px; }
.testimonial-card p{ font-size:18px; font-style:italic; color:var(--text-dark); line-height:1.7; margin:0 0 22px; }
.testi-author strong{ display:block; color:var(--blue-900); font-size:15px; }
.testi-author span{ font-size:13px; color:var(--grey-500); }
.testi-dots{ display:flex; justify-content:center; gap:10px; margin-top:28px; }
.testi-dots button{
  width:10px; height:10px; border-radius:50%; border:none; background:var(--grey-100);
  transition:background .3s, transform .3s;
}
.testi-dots button.active{ background:var(--orange); transform:scale(1.3); }

/* =============== CTA BAND =============== */
.cta-band{
  padding:100px 0;
  background:linear-gradient(135deg,var(--blue-950),var(--blue-800));
  text-align:center;
}
.cta-content h2{ color:#fff; font-size:clamp(28px,4vw,42px); font-weight:800; margin:0 0 14px; }
.cta-content p{ color:rgba(255,255,255,0.7); font-size:16px; margin:0 0 32px; }

/* =============== CONTACT =============== */
.contact{ padding:120px 0; background:var(--bg-light); }
.contact-grid{ display:grid; grid-template-columns:0.9fr 1.1fr; gap:60px; }
.info-block{ margin-bottom:20px; }
.info-block h4{ font-size:13.5px; color:var(--blue-900); margin:0 0 4px; display:flex; align-items:center; gap:8px; text-transform:uppercase; letter-spacing:0.6px; }
.info-block h4 i{ color:var(--orange); }
.info-block p{ margin:0; font-size:15px; color:var(--text-dark); line-height:1.6; }
.info-block a{ color:var(--text-dark); }
.info-block a:hover{ color:var(--orange); }

.biz-info{
  margin-top:30px; padding-top:26px; border-top:1px solid var(--grey-100);
  display:flex; flex-direction:column; gap:10px;
}
.biz-info div{ display:flex; justify-content:space-between; font-size:13.5px; }
.biz-info span{ color:var(--grey-500); }
.biz-info strong{ color:var(--blue-900); }

.contact-form-wrap{
  background:#fff; border-radius:var(--radius);
  padding:40px; box-shadow:var(--shadow-md);
}
.contact-form h3{ color:var(--blue-900); font-size:22px; margin:0 0 24px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.form-group{ margin-bottom:18px; }
.form-group label{ display:block; font-size:13px; font-weight:600; color:var(--blue-900); margin-bottom:6px; }
.form-group input, .form-group select, .form-group textarea{
  width:100%; padding:12px 14px; border-radius:10px;
  border:1.5px solid var(--grey-100); font-size:14.5px; color:var(--text-dark);
  background:var(--bg-light); transition:border-color .3s, box-shadow .3s;
  resize:vertical;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus{
  outline:none; border-color:var(--orange); box-shadow:0 0 0 4px rgba(245,130,32,0.12);
}
.form-group.invalid input, .form-group.invalid select, .form-group.invalid textarea{
  border-color:#DC2626;
}
.error-msg{ display:block; font-size:12.5px; color:#DC2626; min-height:16px; margin-top:4px; }
.form-success{ margin-top:14px; font-size:14px; color:#15803D; font-weight:600; min-height:20px; }

/* =============== FOOTER =============== */
.footer{ background:var(--blue-950); color:rgba(255,255,255,0.7); padding-top:90px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.1fr; gap:40px; padding-bottom:60px; }
.footer-logo{ height:56px; border-radius:10px; margin-bottom:18px; background:#fff; padding:6px; }
.footer-brand p{ font-size:14px; line-height:1.7; max-width:280px; }
.social-icons{ display:flex; gap:12px; margin-top:20px; }
.social-icons a{
  width:38px; height:38px; border-radius:50%;
  background:rgba(255,255,255,0.08);
  display:flex; align-items:center; justify-content:center;
  transition:background .3s, transform .3s;
}
.social-icons a:hover{ background:var(--orange); transform:translateY(-4px); }
.footer-links h4, .footer-contact h4{ color:#fff; font-size:15px; margin:0 0 18px; }
.footer-links a{ display:block; font-size:14px; padding:6px 0; transition:color .3s, padding-left .3s; }
.footer-links a:hover{ color:var(--orange); padding-left:6px; }
.footer-contact p{ font-size:14px; display:flex; align-items:center; gap:10px; margin:0 0 14px; }
.footer-contact i{ color:var(--orange); }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.08);
  padding:22px 24px; text-align:center; font-size:13px;
}

/* =============== BACK TO TOP =============== */
.back-to-top{
  position:fixed; bottom:28px; right:28px; z-index:900;
  width:48px; height:48px; border-radius:50%;
  background:var(--orange); color:#fff;
  display:flex; align-items:center; justify-content:center;
  box-shadow:var(--shadow-md);
  opacity:0; visibility:hidden; transform:translateY(12px);
  transition:opacity .35s, visibility .35s, transform .35s;
}
.back-to-top.show{ opacity:1; visibility:visible; transform:translateY(0); }
.back-to-top:hover{ background:var(--orange-dark); }

/* =============== WHATSAPP FLOAT =============== */
.whatsapp-float{
  position:fixed; bottom:28px; left:28px; z-index:900;
  width:56px; height:56px; border-radius:50%;
  background:#25D366; color:#fff;
  display:flex; align-items:center; justify-content:center;
  font-size:32px;
  box-shadow:0 6px 16px rgba(37,211,102,0.3);
  transition:transform .3s var(--ease), box-shadow .3s var(--ease);
  animation:whatsapp-pulse 2s infinite;
}
.whatsapp-float:hover{
  transform:translateY(-4px) scale(1.05);
  box-shadow:0 10px 24px rgba(37,211,102,0.4);
}
@keyframes whatsapp-pulse {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102, 0.5); }
  70% { box-shadow: 0 0 0 15px rgba(37,211,102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102, 0); }
}

/* =============== SCROLL REVEAL =============== */
[data-reveal]{
  opacity:0; transform:translateY(28px);
  transition:opacity .8s var(--ease), transform .8s var(--ease);
}
[data-reveal].in-view{ opacity:1; transform:translateY(0); }

/* =============== RESPONSIVE =============== */
@media (max-width:1080px){
  .about-grid, .contact-grid, .trust-grid{ grid-template-columns:1fr; }
  .about-media{ max-width:420px; margin:0 auto 40px; }
  .services-grid{ grid-template-columns:repeat(3,1fr); }
  .why-grid{ grid-template-columns:repeat(2,1fr); }
  .industries-grid{ grid-template-columns:repeat(4,1fr); }
  .process-track{ grid-template-columns:repeat(3,1fr); row-gap:40px; }
  .process-line{ display:none; }
}

@media (max-width:900px){
  .hero-container{ grid-template-columns:1fr; text-align:center; }
  .hero-copy{ order:1; }
  .hero-visual{ order:2; margin-top:20px; }
  .hero-sub{ margin-left:auto; margin-right:auto; }
  .hero-btns{ justify-content:center; }
  .hero-title .line{ display:inline; }
  .hero-title{ }
}

@media (max-width:768px){
  .nav-links{
    position:fixed; top:0; right:0; height:100vh; width:min(78vw,320px);
    background:#fff; flex-direction:column; align-items:flex-start;
    padding:110px 32px 40px; gap:24px;
    transform:translateX(100%); transition:transform .45s var(--ease);
    box-shadow:-10px 0 40px rgba(0,0,0,0.15);
  }
  .nav-links.open{ transform:translateX(0); }
  .nav-link{ color:var(--blue-900); font-size:16px; }
  .hamburger{ display:flex; }
  .nav-actions .btn-cta{ display:none; }

  .about-list{ grid-template-columns:1fr; }
  .services-grid{ grid-template-columns:repeat(2,1fr); }
  .why-grid{ grid-template-columns:1fr; }
  .industries-grid{ grid-template-columns:repeat(2,1fr); }
  .process-track{ grid-template-columns:1fr 1fr; }
  .stats-grid{ grid-template-columns:1fr 1fr; gap:36px; }
  .form-row{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .orbit-ring{ width:320px; height:320px; }
}

@media (max-width:520px){
  .services-grid{ grid-template-columns:1fr; }
  .industries-grid{ grid-template-columns:1fr 1fr; }
  .process-track{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; }
  .stat-card{ min-width:110px; padding:12px 14px; }
  .hero{ padding-top:120px; }
}