/*
Theme Name: Techno Tank Consultants & Associates V4
Theme URI: https://technotank.co.in/
Author: Techno Tank Consultants & Associates
Description: Premium engineering, EPC and smart infrastructure corporate theme. Elementor compatible.
Version: 4.0.0
License: GPL-2.0-or-later
Text Domain: technotank-v4
*/

:root{--tt-red:#d71920;--tt-black:#080808;--tt-charcoal:#171717;--tt-grey:#666;--tt-light:#f5f5f5;--tt-white:#fff;--tt-container:1240px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:#151515;font-family:Arial,Helvetica,sans-serif;line-height:1.6}
a{color:var(--tt-red);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.container{width:min(100% - 40px,var(--tt-container));margin:auto}
.site-header{position:sticky;top:0;z-index:999;background:rgba(8,8,8,.96);color:#fff;border-bottom:1px solid #333}
.site-header .inner{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{font-weight:800;letter-spacing:.04em;color:#fff;line-height:1.15}
.brand small{display:block;font-size:11px;color:#aaa;margin-top:5px}
.main-nav ul{display:flex;gap:20px;list-style:none;margin:0;padding:0}
.main-nav a{color:#fff;font-size:14px;font-weight:600}
.main-nav a:hover{color:#fff;text-decoration:none}
.cta{display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;background:var(--tt-red);color:#fff!important;border-radius:2px;font-weight:700}
.hero{background:linear-gradient(90deg,#080808 0%,#171717 55%,#222 100%);color:#fff;padding:110px 0}
.hero h1{font-size:clamp(38px,5vw,72px);line-height:1.04;max-width:900px;margin:0 0 22px}
.hero p{max-width:800px;font-size:19px;color:#ddd}
.section{padding:80px 0}
.section.dark{background:var(--tt-black);color:#fff}
.section-head{max-width:820px;margin-bottom:42px}
.eyebrow{color:var(--tt-red);font-weight:800;letter-spacing:.12em;text-transform:uppercase;font-size:12px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{border:1px solid #ddd;background:#fff;padding:28px;transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 35px rgba(0,0,0,.09);border-color:#bbb}
.card h3{margin-top:0}
.process{display:grid;grid-template-columns:repeat(7,1fr);gap:10px}
.process .step{background:#111;color:#fff;padding:20px;border-top:3px solid var(--tt-red)}
.site-footer{background:#080808;color:#ddd;padding:65px 0 25px}
.site-footer a{color:#ddd}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1.3fr;gap:30px}
.footer-bottom{border-top:1px solid #333;margin-top:40px;padding-top:18px;font-size:13px;color:#999}
.mobile-bar{display:none}
@media(max-width:980px){
 .main-nav{display:none}.grid{grid-template-columns:repeat(2,1fr)}.process{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}
 .mobile-bar{display:flex;gap:8px}.mobile-bar a{padding:9px 12px;background:#222;color:#fff;font-size:12px}
}
@media(max-width:620px){
 .container{width:min(100% - 28px,1240px)}.hero{padding:75px 0}.section{padding:55px 0}.grid,.footer-grid{grid-template-columns:1fr}.process{grid-template-columns:1fr}.hero p{font-size:16px}
}