/* =========================================================
   ONE4PPF — Design tokens
   ========================================================= */
:root{
  --ink:        #0B0C0E;
  --ink-2:      #121417;
  --panel:      #1A1D21;
  --panel-2:    #20242A;
  --steel:      #3A3F46;
  --steel-light:#565C64;
  --chrome:     #E7E9EA;
  --text:       #C7CCD1;
  --text-dim:   #888F98;
  --copper:     #D98A3D;
  --copper-bright:#F0A85C;
  --white:      #F5F6F7;

  --font-display:'Unbounded', sans-serif;
  --font-body:   'Inter', sans-serif;
  --font-mono:   'JetBrains Mono', monospace;

  --wrap: 1180px;
  --radius: 14px;
  --radius-sm: 8px;
  --ease: cubic-bezier(.22,.8,.32,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img,svg{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font:inherit; cursor:pointer; }

.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 24px;
}

.skip-link{
  position:absolute; left:-9999px; top:0; z-index:200;
  background:var(--copper); color:#0B0C0E; padding:10px 16px; border-radius:0 0 8px 0;
  font-weight:600;
}
.skip-link:focus{ left:0; }

:focus-visible{
  outline:2px solid var(--copper-bright);
  outline-offset:3px;
  border-radius:4px;
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:0.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* =========================================================
   Typography
   ========================================================= */
.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--copper-bright);
  margin:0 0 14px;
}
.eyebrow.center{ text-align:center; }

.section-title{
  font-family:var(--font-display);
  font-weight:700;
  color:var(--white);
  font-size:clamp(28px, 4vw, 42px);
  line-height:1.15;
  letter-spacing:-0.01em;
  margin:0 0 18px;
}
.section-title.center{ text-align:center; }

.section-sub{
  color:var(--text-dim);
  font-size:16px;
  max-width:56ch;
  margin:0 auto 8px;
}
.section-sub.center{ text-align:center; }

/* =========================================================
   Buttons
   ========================================================= */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:13px 22px;
  border-radius:999px;
  font-weight:600;
  font-size:14.5px;
  border:1px solid transparent;
  white-space:nowrap;
  transition:transform .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
}
.btn:hover{ transform:translateY(-1px); }
.btn:active{ transform:translateY(0); }

.btn-primary{
  background:linear-gradient(180deg, var(--copper-bright), var(--copper));
  color:#1A0F02;
  box-shadow:0 8px 24px -8px rgba(217,138,61,.55);
}
.btn-primary:hover{ filter:brightness(1.06); }

.btn-outline{
  background:transparent;
  color:var(--chrome);
  border-color:var(--steel);
}
.btn-outline:hover{ border-color:var(--copper-bright); color:var(--copper-bright); }

.btn-ghost{
  background:var(--panel);
  color:var(--text);
  border-color:var(--steel);
  padding:10px;
  border-radius:50%;
}
.btn-ghost:hover{ color:var(--copper-bright); border-color:var(--copper-bright); }

.btn-lg{ padding:15px 28px; font-size:15.5px; }
.btn-block{ width:100%; }
.icon-link{ display:inline-flex; }

/* =========================================================
   Header
   ========================================================= */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(11,12,14,0.82);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(58,63,70,0.6);
}
.header-inner{
  display:flex; align-items:center; gap:24px;
  height:76px;
}
.logo{ display:flex; align-items:center; gap:10px; margin-right:auto; }
.logo-img{
  width:40px; height:40px;
  border-radius:50%;
  object-fit:contain;
  flex-shrink:0;
  filter:drop-shadow(0 2px 6px rgba(0,0,0,0.5));
  transition:filter .2s var(--ease);
}
.logo:hover .logo-img{
  filter:drop-shadow(0 4px 10px rgba(204,0,0,0.45));
}
.logo-word{
  font-family:var(--font-display); font-weight:700;
  font-size:17px; letter-spacing:0.02em; color:var(--white);
}
.logo-word em{ font-style:normal; color:var(--copper-bright); }

.main-nav{ display:flex; align-items:center; gap:28px; }
.main-nav a{
  font-size:14px; font-weight:500; color:var(--text);
  position:relative; padding:4px 0;
}
.main-nav a:hover{ color:var(--white); }
.main-nav a::after{
  content:''; position:absolute; left:0; right:0; bottom:-2px; height:1px;
  background:var(--copper-bright); transform:scaleX(0); transform-origin:left;
  transition:transform .25s var(--ease);
}
.main-nav a:hover::after{ transform:scaleX(1); }

.header-actions{ display:flex; align-items:center; gap:10px; }

.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:40px; height:40px; border-radius:8px; border:1px solid var(--steel);
  background:var(--panel);
}
.nav-toggle span{ width:18px; height:2px; background:var(--chrome); margin:0 auto; transition:transform .25s var(--ease), opacity .25s 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); }

/* =========================================================
   Hero
   ========================================================= */
.hero{ position:relative; overflow:hidden; padding:64px 0 88px; }
.hero-bg{ position:absolute; inset:0; z-index:0; }
.hero-grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 20%, black, transparent 75%);
}
.hero-glow{
  position:absolute; top:-220px; left:50%; transform:translateX(-50%);
  width:900px; height:560px; border-radius:50%;
  background:radial-gradient(circle, rgba(217,138,61,0.16), transparent 65%);
  filter:blur(10px);
}

.hero-inner{
  position:relative; z-index:1;
  display:grid; grid-template-columns:1.1fr 0.9fr; gap:48px; align-items:center;
  padding-top:24px;
}
.hero-title{
  font-family:var(--font-display); font-weight:700;
  font-size:clamp(36px, 5.4vw, 60px); line-height:1.06; letter-spacing:-0.015em;
  color:var(--white); margin:0 0 22px;
}
.text-stroke{ color:var(--copper-bright); }

.hero-sub{ color:var(--text-dim); font-size:17px; max-width:52ch; margin:0 0 32px; }
.hero-cta-row{ display:flex; flex-wrap:wrap; gap:14px; margin-bottom:26px; }

.location-chip{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-mono); font-size:12.5px; color:var(--text-dim);
  padding:9px 14px; border:1px solid var(--steel); border-radius:999px;
  transition:border-color .2s var(--ease), color .2s var(--ease);
}
.location-chip:hover{ border-color:var(--copper-bright); color:var(--copper-bright); }
.location-chip svg{ flex-shrink:0; }

.hero-visual{ position:relative; }
.visual-frame{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:0 30px 60px -20px rgba(0,0,0,0.8);
  border:1px solid var(--steel);
  aspect-ratio:3/4;
}
.hero-photo{
  width:100%; height:100%; object-fit:cover; object-position:center 20%;
  display:block;
  transition:transform .6s var(--ease);
}
.hero-visual:hover .hero-photo{ transform:scale(1.03); }
.hero-photo-badge{
  position:absolute; bottom:16px; left:16px;
  display:inline-flex; align-items:center; gap:8px;
  background:rgba(11,12,14,0.78); backdrop-filter:blur(8px);
  border:1px solid var(--steel); border-radius:999px;
  padding:8px 14px; font-family:var(--font-mono); font-size:11.5px;
  color:var(--copper-bright); letter-spacing:0.06em;
}

/* =========================================================
   PPF Brands section
   ========================================================= */
.brands-layout{
  display:grid; grid-template-columns:1fr 1fr; gap:40px;
  align-items:center; margin-top:52px;
}
.brands-photo-wrap{
  position:relative; border-radius:var(--radius); overflow:hidden;
  border:1px solid var(--steel);
  box-shadow:0 24px 48px -16px rgba(0,0,0,0.7);
}
.brands-photo{
  width:100%; height:480px; object-fit:cover; object-position:center 30%;
  display:block;
}
.brands-photo-caption{
  position:absolute; bottom:0; left:0; right:0;
  padding:10px 14px;
  background:linear-gradient(transparent, rgba(11,12,14,0.9));
  font-family:var(--font-mono); font-size:11px; color:var(--text-dim);
  letter-spacing:0.05em;
}
.brands-list{
  display:flex; flex-direction:column; gap:24px;
}
.brand-item{
  display:flex; align-items:flex-start; gap:16px;
}
.brand-dot{
  flex-shrink:0; margin-top:5px;
  width:10px; height:10px; border-radius:50%;
  background:var(--copper-bright);
  box-shadow:0 0 8px rgba(240,168,92,0.6);
}
.brand-item strong{
  display:block; color:var(--white); font-size:16px; margin-bottom:6px;
}
.brand-tag{
  font-family:var(--font-mono); font-size:10px; letter-spacing:0.1em;
  color:var(--copper-bright); border:1px solid rgba(240,168,92,0.4);
  background:rgba(240,168,92,0.08); border-radius:4px; padding:2px 6px;
  vertical-align:middle; margin-left:6px;
}
.brand-item p{ color:var(--text-dim); font-size:14px; margin:0; }

/* =========================================================
   Spec strip
   ========================================================= */
.spec-strip{
  border-top:1px solid var(--steel); border-bottom:1px solid var(--steel);
  background:var(--ink-2);
}
.spec-grid{
  display:grid; grid-template-columns:repeat(5,1fr);
  padding:22px 0;
}
.spec-item{
  display:flex; flex-direction:column; align-items:center; text-align:center; gap:4px;
  border-right:1px solid var(--steel);
  padding:4px 8px;
}
.spec-item:last-child{ border-right:none; }
.spec-num{ font-family:var(--font-mono); font-weight:600; color:var(--copper-bright); font-size:18px; letter-spacing:0.03em; }
.spec-label{ font-size:12px; color:var(--text-dim); }

/* =========================================================
   Sections
   ========================================================= */
.section{ padding:96px 0; }
.section-alt{ background:var(--ink-2); }

/* Service cards */
.card-grid{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:24px; margin-top:52px;
}
.service-card{
  background:var(--panel);
  border:1px solid var(--steel);
  border-radius:var(--radius);
  padding:30px 26px 28px;
  display:flex; flex-direction:column;
  transition:border-color .25s var(--ease), transform .25s var(--ease);
}
.service-card:hover{ border-color:var(--copper); transform:translateY(-4px); }
.card-icon{
  width:56px; height:56px; border-radius:12px;
  display:grid; place-items:center;
  background:var(--panel-2); border:1px solid var(--steel);
  color:var(--copper-bright); margin-bottom:20px;
}
.service-card h3{ font-family:var(--font-display); color:var(--white); font-size:19px; margin:0 0 10px; font-weight:600; }
.service-card p{ color:var(--text-dim); font-size:14.5px; margin:0 0 16px; }
.card-points{ margin-bottom:22px; }
.card-points li{
  font-size:13.5px; color:var(--text); padding-left:18px; position:relative; margin-bottom:8px;
}
.card-points li::before{
  content:''; position:absolute; left:0; top:8px; width:7px; height:1px; background:var(--copper-bright);
}
.card-link{
  margin-top:auto; background:none; border:none; color:var(--copper-bright);
  font-size:14px; font-weight:600; display:inline-flex; align-items:center; gap:6px; padding:0;
  align-self:flex-start;
}
.card-link span{ transition:transform .2s var(--ease); }
.card-link:hover span{ transform:translateX(4px); }

/* Compare slider */
.compare-wrap{ margin-top:48px; }
.compare{
  position:relative; aspect-ratio:1536/452; max-width:880px; margin:0 auto;
  border-radius:var(--radius); overflow:hidden; border:1px solid var(--steel);
  user-select:none; touch-action:none;
}
.compare-pane{ position:absolute; inset:0; }
.compare-pane img{ width:100%; height:100%; object-fit:cover; display:block; }
.compare-before{ clip-path:inset(0 50% 0 0); }
.compare-tag{
  position:absolute; top:14px; font-family:var(--font-mono); font-size:11px;
  letter-spacing:0.06em; padding:6px 10px; border-radius:6px; text-transform:uppercase;
}
.tag-after{ right:14px; background:rgba(217,138,61,0.16); color:var(--copper-bright); border:1px solid rgba(217,138,61,0.4); }
.tag-before{ left:14px; background:rgba(255,255,255,0.06); color:var(--text-dim); border:1px solid var(--steel); }
.compare-handle{
  position:absolute; top:0; bottom:0; left:50%; width:0;
  display:flex; align-items:center; justify-content:center;
  cursor:ew-resize;
}
.compare-handle::before{
  content:''; position:absolute; top:0; bottom:0; left:0; width:2px;
  background:var(--copper-bright); box-shadow:0 0 12px rgba(240,168,92,0.6);
}
.handle-grip{
  position:relative; z-index:2;
  width:40px; height:40px; border-radius:50%;
  background:var(--copper-bright); color:#1A0F02;
  display:grid; place-items:center;
  box-shadow:0 6px 16px -4px rgba(0,0,0,0.6);
}

/* Process */
.process-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:24px; margin-top:52px;
}
.process-step{
  border-top:2px solid var(--steel); padding-top:18px;
  transition:border-color .25s var(--ease);
}
.process-step:hover{ border-color:var(--copper-bright); }
.process-no{
  font-family:var(--font-mono); color:var(--copper-bright); font-size:13px; letter-spacing:0.05em;
}
.process-step h3{ font-family:var(--font-display); color:var(--white); font-size:18px; margin:10px 0 8px; font-weight:600; }
.process-step p{ color:var(--text-dim); font-size:14px; margin:0; }

/* Why Delhi */
.why-grid{ display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:start; }
.why-copy .section-title{ text-align:left; }
.why-points{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.why-item{
  background:var(--panel); border:1px solid var(--steel); border-radius:var(--radius-sm);
  padding:18px;
}
.why-item strong{ display:block; color:var(--white); font-size:14.5px; margin-bottom:6px; }
.why-item span{ color:var(--text-dim); font-size:13.5px; }

/* Location */
.location-grid{ display:grid; grid-template-columns:0.9fr 1.1fr; gap:24px; margin-top:48px; align-items:stretch; }
.location-card{
  background:var(--panel); border:1px solid var(--steel); border-radius:var(--radius);
  padding:32px; display:flex; flex-direction:column;
}
.location-card h3{ font-family:var(--font-display); color:var(--white); font-size:20px; margin:0 0 12px; }
.addr{ color:var(--text-dim); font-size:15px; margin:0 0 24px; }
.location-actions{ display:flex; flex-wrap:wrap; gap:12px; margin-bottom:26px; }
.location-meta{ margin-top:auto; display:flex; flex-direction:column; gap:12px; padding-top:18px; border-top:1px solid var(--steel); }
.meta-row{ display:flex; align-items:center; gap:10px; font-size:14px; color:var(--text); transition:color .2s var(--ease); }
.meta-row:hover{ color:var(--copper-bright); }
.map-frame{ border-radius:var(--radius); overflow:hidden; border:1px solid var(--steel); min-height:340px; filter:grayscale(0.15) contrast(1.05); }

/* Contact / enquiry form */
.contact-grid{ display:grid; grid-template-columns:0.85fr 1.15fr; gap:56px; align-items:start; }
.enquiry-form{
  background:var(--panel); border:1px solid var(--steel); border-radius:var(--radius);
  padding:30px;
  display:grid; gap:18px;
}
.form-row{ display:flex; flex-direction:column; gap:8px; }
.form-row label{ font-size:13px; color:var(--text-dim); font-family:var(--font-mono); letter-spacing:0.02em; }
.optional{ color:var(--steel-light); }
.form-row input, .form-row select, .form-row textarea{
  background:var(--ink-2); border:1px solid var(--steel); border-radius:var(--radius-sm);
  padding:12px 14px; color:var(--white); font-family:var(--font-body); font-size:14.5px;
  transition:border-color .2s var(--ease);
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus{
  border-color:var(--copper-bright); outline:none;
}
.form-row textarea{ resize:vertical; }

/* =========================================================
   Footer
   ========================================================= */
.site-footer{ background:var(--ink-2); border-top:1px solid var(--steel); padding:64px 0 0; }
.footer-inner{
  display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px;
  padding-bottom:40px;
}
.footer-logo-row{ display:flex; align-items:center; gap:10px; }
.footer-brand p{ color:var(--text-dim); font-size:13.5px; margin-top:14px; line-height:1.7; }
.footer-links h4{ font-family:var(--font-mono); font-size:12px; color:var(--text-dim); text-transform:uppercase; letter-spacing:0.08em; margin:0 0 16px; }
.footer-links{ display:flex; flex-direction:column; }
.footer-links a{ font-size:14px; color:var(--text); padding:6px 0; transition:color .2s var(--ease); }
.footer-links a:hover{ color:var(--copper-bright); }
.footer-bottom{
  border-top:1px solid var(--steel); padding:20px 24px;
  font-size:12.5px; color:var(--text-dim);
  display:flex; justify-content:center;
}

/* =========================================================
   Floating WhatsApp
   ========================================================= */
.fab-wa{
  position:fixed; right:22px; bottom:22px; z-index:150;
  width:58px; height:58px; border-radius:50%;
  background:linear-gradient(180deg, #2bd470, #1ea854);
  color:#06150c;
  display:grid; place-items:center;
  border:none;
  box-shadow:0 14px 30px -8px rgba(30,168,84,0.55);
  transition:transform .2s var(--ease);
}
.fab-wa:hover{ transform:scale(1.06); }
.fab-ring{
  position:absolute; inset:-6px; border-radius:50%;
  border:2px solid rgba(43,212,112,0.5);
  animation:ring 2.4s ease-out infinite;
}
@keyframes ring{
  0%{ transform:scale(0.9); opacity:0.8; }
  100%{ transform:scale(1.5); opacity:0; }
}

/* =========================================================
   Reveal-on-scroll
   ========================================================= */
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible{ opacity:1; transform:translateY(0); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px){
  .hero-inner{ grid-template-columns:1fr; }
  .hero-visual{ order:-1; }
  .visual-frame{ aspect-ratio:4/3; }
  .why-grid, .contact-grid, .location-grid, .brands-layout{ grid-template-columns:1fr; }
  .process-grid{ grid-template-columns:1fr 1fr; }
  .card-grid{ grid-template-columns:1fr; }
  .footer-inner{ grid-template-columns:1fr 1fr; }
  .spec-grid{ grid-template-columns:repeat(3,1fr); row-gap:18px; }
  .spec-item:nth-child(3){ border-right:none; }
  .brands-photo{ height:360px; }
}

@media (max-width: 860px){
  .main-nav{
    position:fixed; top:76px; left:0; right:0; bottom:0;
    background:rgba(11,12,14,0.98);
    flex-direction:column; align-items:flex-start; gap:0;
    padding:12px 24px 24px;
    transform:translateY(-12px); opacity:0; visibility:hidden;
    transition:opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
    border-top:1px solid var(--steel);
  }
  .main-nav.is-open{ transform:translateY(0); opacity:1; visibility:visible; }
  .main-nav a{ width:100%; padding:16px 0; border-bottom:1px solid var(--steel); font-size:16px; }
  .header-actions .btn-primary span{ display:none; }
  .header-actions .btn-primary{ padding:11px; border-radius:50%; }
  .nav-toggle{ display:flex; }
}

@media (max-width: 640px){
  .section{ padding:72px 0; }
  .hero{ padding:40px 0 64px; }
  .hero-cta-row{ flex-direction:column; align-items:stretch; }
  .hero-cta-row .btn{ width:100%; }
  .process-grid{ grid-template-columns:1fr; }
  .why-points{ grid-template-columns:1fr; }
  .spec-grid{ grid-template-columns:repeat(2,1fr); }
  .spec-item:nth-child(odd){ border-right:1px solid var(--steel); }
  .spec-item:nth-child(even){ border-right:none; }
  .footer-inner{ grid-template-columns:1fr; }
  .compare-handle .handle-grip{ width:36px; height:36px; }
  .brands-photo{ height:260px; }
  .visual-frame{ aspect-ratio:unset; height:340px; }
}