/*
Theme Name: Pranarayan
Theme URI: https://pranarayan.com
Author: Raja Haldar Civil & Architectural
Description: Official website theme for Pranarayan Civil & Architectural Consulting.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: pranarayan
*/

/* ─────────────────────────────────────────
   GOOGLE FONTS
───────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ─────────────────────────────────────────
   RESET & VARIABLES
───────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:           #0b0b0b;
  --surface:      #121212;
  --surface-light:#1a1a1a;
  --accent:       #ae0001;
  --accent-hover: #cc0001;
  --white:        #ffffff;
  --n400:         #a1a1aa;
  --n500:         #71717a;
  --n600:         #52525b;
  --border:       rgba(255,255,255,0.06);
  --font:         'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --radius:       12px;
  --max-w:        1200px;
}

html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--n400);font-family:var(--font);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}

/* ─────────────────────────────────────────
   LAYOUT UTILITIES
───────────────────────────────────────── */
.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 1.5rem}
.section{padding:5rem 0;position:relative}

.section-label{
  display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.15em;
  text-transform:uppercase;color:var(--accent);margin-bottom:.75rem
}
.section-title{
  font-size:clamp(1.75rem,4vw,3rem);font-weight:800;color:var(--white);
  line-height:1.15;margin-bottom:1rem
}
.section-title .grad{
  background:linear-gradient(to right,#fff,#a1a1aa);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text
}
.section-desc{color:var(--n400);max-width:640px;margin:0 auto;line-height:1.7}
.section-head{text-align:center;margin-bottom:3.5rem}

/* ─────────────────────────────────────────
   BUTTONS
───────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.75rem 1.75rem;font-size:.9rem;font-weight:600;
  border-radius:var(--radius);transition:all .25s ease;cursor:pointer;border:none
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 0 20px rgba(174,0,1,.3)}
.btn-primary:hover{background:var(--accent-hover);box-shadow:0 0 30px rgba(174,0,1,.5);transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--white);border:1px solid rgba(255,255,255,.15)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}

/* ─────────────────────────────────────────
   NAVBAR
───────────────────────────────────────── */
#site-header{position:fixed;top:0;left:0;right:0;z-index:100;transition:all .3s ease}
#site-header.scrolled{
  background:rgba(11,11,11,.88);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);box-shadow:0 4px 20px rgba(0,0,0,.3)
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:80px}
.nav-logo img{height:150px;width:auto;object-fit:contain;transition:opacity .3s}
.nav-logo:hover img{opacity:.85}

.nav-links{display:flex;align-items:center;gap:.25rem}
.nav-links a{
  padding:.5rem 1rem;font-size:.875rem;font-weight:500;
  color:var(--n400);border-radius:8px;transition:all .2s
}
.nav-links a:hover{color:var(--white);background:rgba(255,255,255,.05)}
.nav-cta{
  padding:.5rem 1.25rem !important;background:var(--accent) !important;
  color:#fff !important;border-radius:8px;font-weight:600 !important;
}
.nav-cta:hover{background:var(--accent-hover) !important;box-shadow:0 0 15px rgba(174,0,1,.35)}

.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--white);border-radius:2px;transition:all .3s}
.nav-mobile{display:none;flex-direction:column;padding:1rem 1.5rem 1.5rem;background:rgba(18,18,18,.97);border-top:1px solid var(--border)}
.nav-mobile.open{display:flex}
.nav-mobile a{padding:.75rem 0;font-size:.9rem;color:var(--n400);border-bottom:1px solid var(--border);transition:color .2s}
.nav-mobile a:hover{color:var(--white)}
.nav-mobile a:last-child{border-bottom:none}

@media(max-width:768px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-logo img{height:90px}
}

/* ─────────────────────────────────────────
   HERO
───────────────────────────────────────── */
#home{min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}
.hero-grid-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(174,0,1,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(174,0,1,.04) 1px,transparent 1px);
  background-size:40px 40px
}
.hero-radial{position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(174,0,1,.08) 0%,transparent 70%)}
.hero-vignette{position:absolute;inset:0;background:radial-gradient(ellipse at center,transparent 50%,#0b0b0b 100%)}

.hero-content{position:relative;z-index:10;padding-top:5rem;text-align:center;max-width:900px;margin:0 auto}
.hero-badge{
  display:inline-flex;align-items:center;gap:.5rem;padding:.375rem 1rem;margin-bottom:1.5rem;
  font-size:.7rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;
  color:var(--accent);border:1px solid rgba(174,0,1,.2);border-radius:999px;background:rgba(174,0,1,.05)
}
.hero-badge-dot{width:6px;height:6px;background:var(--accent);border-radius:50%;animation:pulse 2s infinite}
.hero-title{
  font-size:clamp(2.25rem,6vw,4.5rem);font-weight:800;color:var(--white);
  line-height:1.1;letter-spacing:-.02em;margin-bottom:1.5rem
}
.hero-desc{font-size:clamp(1rem,2vw,1.2rem);color:var(--n400);max-width:640px;margin:0 auto 2.5rem;line-height:1.7}
.hero-btns{display:flex;align-items:center;justify-content:center;gap:1rem;flex-wrap:wrap;margin-bottom:4rem}

.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;padding:2rem;
  background:rgba(18,18,18,.5);border:1px solid var(--border);border-radius:1rem;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);max-width:700px;margin:0 auto
}
.stat-val{font-size:1.75rem;font-weight:800;color:var(--white)}
.stat-lbl{font-size:.8rem;color:var(--n500);margin-top:.25rem}

.hero-scroll{
  position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);
  color:var(--n600);animation:bounce 2s infinite;font-size:1.5rem
}

@media(max-width:600px){.hero-stats{grid-template-columns:1fr}}

/* ─────────────────────────────────────────
   SERVICES
───────────────────────────────────────── */
.svc-toggle{
  display:flex;background:var(--surface);border:1px solid var(--border);
  border-radius:999px;padding:4px;margin:0 auto 2rem;width:fit-content
}
.tog-btn{
  padding:.5rem 1.5rem;font-size:.85rem;font-weight:600;
  border-radius:999px;color:var(--n500);transition:all .25s;white-space:nowrap
}
.tog-btn.active{background:var(--accent);color:#fff;box-shadow:0 0 12px rgba(174,0,1,.3)}
.svc-count{text-align:center;font-size:.8rem;color:var(--n500);margin-bottom:1.75rem}
.svc-count span{color:var(--accent);font-weight:700}

.svc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:1rem}
.svc-card{
  display:flex;gap:1rem;padding:1.25rem;background:var(--surface-light);
  border:1px solid var(--border);border-radius:var(--radius);transition:all .3s
}
.svc-card:hover{border-color:rgba(174,0,1,.3);box-shadow:0 0 20px rgba(174,0,1,.08)}
.svc-icon{
  flex-shrink:0;width:40px;height:40px;background:rgba(174,0,1,.1);
  border-radius:8px;display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;transition:background .3s;margin-top:2px
}
.svc-card:hover .svc-icon{background:rgba(174,0,1,.2)}
.svc-name{font-size:.9rem;font-weight:700;color:var(--white);margin-bottom:.3rem}
.svc-desc{font-size:.8rem;color:var(--n500);line-height:1.5}

.svc-panel{display:none}
.svc-panel.active{display:block}

/* ─────────────────────────────────────────
   ABOUT
───────────────────────────────────────── */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:start}
.about-title{font-size:clamp(1.75rem,3.5vw,2.75rem);font-weight:800;color:var(--white);line-height:1.2;margin-bottom:1.25rem}
.about-body{font-size:.95rem;line-height:1.75;color:var(--n400);margin-bottom:1rem}

.highlights{display:flex;flex-direction:column;gap:1.25rem;margin-top:2rem}
.hl-item{display:flex;gap:1rem;align-items:flex-start}
.hl-icon{
  flex-shrink:0;width:40px;height:40px;background:rgba(174,0,1,.1);
  border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:1.1rem;transition:background .3s
}
.hl-item:hover .hl-icon{background:rgba(174,0,1,.2)}
.hl-title{font-size:.9rem;font-weight:700;color:var(--white);margin-bottom:.2rem}
.hl-desc{font-size:.8rem;color:var(--n500);line-height:1.5}

.t-card{background:var(--surface-light);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;margin-bottom:1rem}
.t-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:.75rem}
.t-user{display:flex;align-items:center;gap:.75rem}
.t-avatar{
  width:38px;height:38px;background:var(--accent);border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:700;color:#fff;flex-shrink:0
}
.t-name{font-size:.85rem;font-weight:700;color:var(--white)}
.t-role{font-size:.75rem;color:var(--n500)}
.t-stars{color:#f59e0b;font-size:.7rem;letter-spacing:2px}
.t-quote{font-size:.8rem;color:var(--n400);line-height:1.6;font-style:italic}

@media(max-width:900px){.about-grid{grid-template-columns:1fr}}

/* ─────────────────────────────────────────
   PROCESS
───────────────────────────────────────── */
#process{background:linear-gradient(to bottom,var(--bg),rgba(18,18,18,.3),var(--bg))}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;position:relative}
.process-step{display:flex;flex-direction:column;align-items:center;text-align:center;position:relative}
.process-step:not(:last-child)::after{
  content:'';position:absolute;top:2rem;left:calc(50% + 2rem);
  width:calc(100% - 4rem);height:2px;
  background:linear-gradient(to right,rgba(174,0,1,.3),rgba(174,0,1,.05))
}
.p-icon-wrap{position:relative;margin-bottom:1.25rem}
.p-icon{
  width:64px;height:64px;background:var(--surface);border:1px solid var(--border);
  border-radius:1rem;display:flex;align-items:center;justify-content:center;
  font-size:1.75rem;transition:all .4s
}
.process-step:hover .p-icon{border-color:rgba(174,0,1,.3);box-shadow:0 0 20px rgba(174,0,1,.15)}
.p-num{
  position:absolute;top:-8px;right:-8px;width:24px;height:24px;background:var(--accent);
  color:#fff;font-size:.7rem;font-weight:700;border-radius:50%;
  display:flex;align-items:center;justify-content:center
}
.p-title{font-size:1rem;font-weight:700;color:var(--white);margin-bottom:.5rem;transition:color .3s}
.process-step:hover .p-title{color:var(--accent)}
.p-desc{font-size:.8rem;color:var(--n500);line-height:1.6;max-width:200px}

@media(max-width:900px){.process-grid{grid-template-columns:repeat(2,1fr)}  .process-step::after{display:none}}
@media(max-width:480px){.process-grid{grid-template-columns:1fr}}

/* ─────────────────────────────────────────
   GALLERY
───────────────────────────────────────── */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.g-item{
  position:relative;aspect-ratio:1;overflow:hidden;border-radius:var(--radius);
  cursor:pointer;border:1px solid var(--border);transition:border-color .3s
}
.g-item:hover{border-color:rgba(174,0,1,.4)}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.g-item:hover img{transform:scale(1.08)}
.g-overlay{
  position:absolute;inset:0;background:rgba(0,0,0,0);transition:background .3s;
  display:flex;align-items:center;justify-content:center
}
.g-item:hover .g-overlay{background:rgba(0,0,0,.35)}
.g-view{
  color:#fff;font-size:.8rem;font-weight:600;background:rgba(174,0,1,.8);
  padding:.35rem 1rem;border-radius:999px;opacity:0;transition:opacity .3s
}
.g-item:hover .g-view{opacity:1}

@media(max-width:900px){.gallery-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:600px){.gallery-grid{grid-template-columns:repeat(2,1fr)}}

/* Lightbox */
.lightbox{
  display:none;position:fixed;inset:0;z-index:1000;background:rgba(0,0,0,.93);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  align-items:center;justify-content:center;padding:1rem
}
.lightbox.open{display:flex}
.lb-img{max-width:100%;max-height:90vh;object-fit:contain;border-radius:var(--radius);box-shadow:0 20px 60px rgba(0,0,0,.7)}
.lb-close{
  position:absolute;top:1.25rem;right:1.25rem;width:40px;height:40px;
  background:rgba(255,255,255,.1);border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:1.25rem;cursor:pointer;transition:background .2s
}
.lb-close:hover{background:var(--accent)}

/* ─────────────────────────────────────────
   CONTACT
───────────────────────────────────────── */
#contact{background:linear-gradient(to bottom,var(--bg),rgba(18,18,18,.2),var(--bg))}
.contact-cards{display:flex;flex-direction:column;gap:1rem;max-width:640px;margin:0 auto 2.5rem}
.c-card{
  display:flex;align-items:center;gap:1.25rem;padding:1.25rem;
  background:var(--surface);border:1px solid var(--border);border-radius:1rem;transition:border-color .3s
}
.c-card:hover{border-color:rgba(174,0,1,.3)}
.c-icon{
  flex-shrink:0;width:48px;height:48px;background:rgba(174,0,1,.1);
  border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.3rem;transition:background .3s
}
.c-card:hover .c-icon{background:rgba(174,0,1,.2)}
.c-lbl{font-size:.7rem;color:var(--n500);text-transform:uppercase;letter-spacing:.1em;margin-bottom:.25rem}
.c-val{font-size:.95rem;font-weight:600;color:var(--white)}
.contact-cta{text-align:center}
.contact-cta p{font-size:.85rem;color:var(--n500);margin-top:1rem}

/* ─────────────────────────────────────────
   FOOTER
───────────────────────────────────────── */
#colophon{background:var(--surface);border-top:1px solid var(--border);padding:4rem 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:2.5rem;padding-bottom:3rem;border-bottom:1px solid var(--border)}
.footer-brand img{height:70px;width:auto;object-fit:contain;margin-bottom:1rem}
.footer-brand p{font-size:.85rem;color:var(--n500);line-height:1.7}
.f-col-title{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--white);margin-bottom:1.25rem}
.f-links{display:flex;flex-direction:column;gap:.6rem}
.f-links a{font-size:.85rem;color:var(--n500);transition:color .2s}
.f-links a:hover{color:var(--white)}
.f-contact{display:flex;flex-direction:column;gap:.75rem}
.f-ci{display:flex;gap:.6rem;align-items:flex-start;font-size:.85rem;color:var(--n500)}
.f-ci span:first-child{flex-shrink:0;margin-top:2px}
.f-ci a{color:var(--n500);transition:color .2s}
.f-ci a:hover{color:var(--white)}
.footer-btm{
  padding:1.5rem 0;display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:1rem;font-size:.8rem;color:var(--n600)
}
.footer-btm a{color:var(--accent)}

@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:540px){.footer-grid{grid-template-columns:1fr}.footer-btm{flex-direction:column;text-align:center}}

/* ─────────────────────────────────────────
   ANIMATIONS & MISC
───────────────────────────────────────── */
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
@keyframes bounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(6px)}}

.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--accent);border-radius:3px}