/* ============================================
   NUTBOLT PLANT INDIA — MASTER STYLESHEET
   Dark Navy + Amber Industrial Theme
   ============================================ */

:root {
  --navy:        #080e1d;
  --navy-2:      #0d1526;
  --navy-3:      #111d35;
  --navy-4:      #16243f;
  --navy-card:   #0f1a2e;
  --amber:       #f5a623;
  --amber-light: #ffbc4b;
  --amber-dim:   rgba(245,166,35,0.12);
  --amber-glow:  rgba(245,166,35,0.18);
  --steel:       #b8cce0;
  --steel-dim:   rgba(184,204,224,0.5);
  --white:       #ffffff;
  --text:        #d8e8f5;
  --muted:       #7a94b4;
  --border:      rgba(184,204,224,0.1);
  --border-a:    rgba(245,166,35,0.28);
  --r:           8px;
  --r-lg:        14px;
  --shadow:      0 8px 40px rgba(0,0,0,0.5);
  --glow:        0 0 48px rgba(245,166,35,0.14);
  --fh:          'Barlow Condensed', sans-serif;
  --fb:          'Barlow', sans-serif;
  --ease:        0.28s cubic-bezier(0.4,0,0.2,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--navy);color:var(--text);font-family:var(--fb);font-size:16px;line-height:1.65;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}

.container{max-width:1180px;margin:0 auto;padding:0 24px}
.accent{color:var(--amber)}
.text-center{text-align:center}
.mt-8{margin-top:8px}
.mt-16{margin-top:16px}
.mt-32{margin-top:32px}
.mt-48{margin-top:48px}

/* ── BUTTONS ── */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 30px;border-radius:var(--r);font-family:var(--fh);font-size:.95rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;cursor:pointer;transition:var(--ease);border:2px solid transparent;white-space:nowrap}
.btn-primary{background:var(--amber);color:var(--navy);border-color:var(--amber)}
.btn-primary:hover{background:var(--amber-light);border-color:var(--amber-light);transform:translateY(-2px);box-shadow:var(--glow)}
.btn-outline{background:transparent;color:var(--amber);border-color:var(--amber)}
.btn-outline:hover{background:var(--amber-dim);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--white);border-color:rgba(255,255,255,.3)}
.btn-ghost:hover{border-color:var(--white);background:rgba(255,255,255,.06)}
.btn-lg{padding:16px 38px;font-size:1.05rem}
.btn-sm{padding:9px 20px;font-size:.85rem}

/* ── NAVBAR ── */
.navbar{position:fixed;top:0;left:0;right:0;z-index:999;height:68px;background:rgba(8,14,29,.88);backdrop-filter:blur(18px);border-bottom:1px solid var(--border);transition:var(--ease)}
.navbar.scrolled{background:rgba(8,14,29,.97);box-shadow:0 4px 32px rgba(0,0,0,.6)}
.nav-inner{display:flex;align-items:center;height:68px;gap:24px}
.logo{display:flex;align-items:baseline;gap:2px;font-family:var(--fh);font-size:1.45rem;font-weight:800;flex-shrink:0}
.logo span:first-child{color:var(--white)}
.logo span:nth-child(2){color:var(--amber)}
.logo sup{font-size:.6em;color:var(--steel-dim);margin-left:3px;vertical-align:super}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a,.nav-links button{padding:7px 13px;font-family:var(--fh);font-size:.88rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--steel);border-radius:var(--r);transition:var(--ease);background:none;border:none;cursor:pointer}
.nav-links a:hover,.nav-links a.active{color:var(--amber);background:var(--amber-dim)}
.dropdown{position:relative}
.dropdown-menu{position:absolute;top:calc(100% + 10px);left:0;background:var(--navy-card);border:1px solid var(--border);border-radius:var(--r-lg);padding:8px;min-width:230px;opacity:0;pointer-events:none;transform:translateY(-8px);transition:var(--ease);box-shadow:var(--shadow)}
.dropdown:hover .dropdown-menu{opacity:1;pointer-events:all;transform:translateY(0)}
.dropdown-menu a{display:block;padding:9px 14px;font-size:.87rem;color:var(--steel);border-radius:var(--r);transition:var(--ease)}
.dropdown-menu a:hover{color:var(--amber);background:var(--amber-dim)}
.nav-cta{margin-left:8px;padding:9px 22px;font-size:.88rem}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px;margin-left:auto}
.hamburger span{width:25px;height:2px;background:var(--steel);border-radius:2px;transition:var(--ease);display:block}

/* ── SECTION BASE ── */
.section{padding:96px 0}
.section-alt{background:var(--navy-2)}
.sec-label{font-family:var(--fh);font-size:.8rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--amber);margin-bottom:14px}
.sec-title{font-family:var(--fh);font-size:clamp(1.9rem,3.8vw,2.9rem);font-weight:800;color:var(--white);line-height:1.1;margin-bottom:18px}
.sec-desc{color:var(--muted);font-size:1.05rem;max-width:600px;line-height:1.75;margin-bottom:52px}

/* ── CARDS ── */
.card{background:var(--navy-card);border:1px solid var(--border);border-radius:var(--r-lg);padding:32px 28px;transition:var(--ease);position:relative;overflow:hidden}
.card::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,var(--amber-dim),transparent);opacity:0;transition:var(--ease)}
.card:hover{border-color:var(--border-a);transform:translateY(-4px);box-shadow:var(--shadow),var(--glow)}
.card:hover::before{opacity:1}
.card-icon{font-size:2rem;margin-bottom:16px;display:block}
.card h3{font-family:var(--fh);font-size:1.18rem;font-weight:700;color:var(--white);margin-bottom:10px;line-height:1.25}
.card p{font-size:.92rem;color:var(--muted);line-height:1.65;margin-bottom:20px}
.card-link{font-family:var(--fh);font-size:.82rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--amber);transition:var(--ease)}
.card:hover .card-link{letter-spacing:.12em}
.card-badge{position:absolute;top:14px;right:14px;background:var(--amber);color:var(--navy);font-family:var(--fh);font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding:3px 10px;border-radius:20px}

/* ── PAGE HERO (inner pages) ── */
.page-hero{padding:128px 0 72px;background:var(--navy-2);border-bottom:1px solid var(--border);position:relative;overflow:hidden}
.page-hero::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 80% 40%,rgba(245,166,35,.07) 0%,transparent 60%)}
.page-hero .container{position:relative}
.breadcrumb{display:flex;gap:8px;align-items:center;font-size:.84rem;color:var(--muted);margin-bottom:14px}
.breadcrumb a{color:var(--amber)}
.breadcrumb span{color:var(--border)}
.page-hero h1{font-family:var(--fh);font-size:clamp(2.2rem,5vw,3.8rem);font-weight:800;color:var(--white);line-height:1.05;margin-bottom:16px}
.page-hero .lead{color:var(--muted);font-size:1.1rem;max-width:580px;line-height:1.75}

/* ── TRUST BAR ── */
.trust-bar{background:var(--navy-3);border-bottom:1px solid var(--border);padding:13px 0}
.trust-inner{display:flex;align-items:center;gap:20px;flex-wrap:wrap;font-size:.9rem;color:var(--muted)}
.trust-inner a{color:var(--amber);font-weight:600}
.trust-inner a:hover{text-decoration:underline}
.trust-flags{display:flex;gap:16px;flex-wrap:wrap}
.trust-flags span{color:var(--steel)}
.trust-pipe{color:var(--border)}

/* ── CONTACT STRIP ── */
.contact-strip{background:var(--navy-3);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:44px 0}
.contact-strip-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.contact-strip h3{font-family:var(--fh);font-size:1.4rem;font-weight:700;color:var(--white);margin-bottom:5px}
.contact-strip p{color:var(--muted);font-size:.95rem}
.contact-strip-btns{display:flex;gap:14px;flex-wrap:wrap}

/* ── FOOTER ── */
.footer{background:#050b17;padding:72px 0 0;border-top:1px solid var(--border)}
.footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1.4fr;gap:44px;padding-bottom:56px}
.footer-brand .logo{font-size:1.3rem;margin-bottom:14px}
.footer-brand p{color:var(--muted);font-size:.9rem;line-height:1.7;max-width:280px}
.footer-brand .by{margin-top:10px;font-size:.84rem;color:var(--steel-dim)}
.footer-col h4{font-family:var(--fh);font-size:.82rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--steel);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:9px}
.footer-col ul li a,.footer-col ul li{font-size:.9rem;color:var(--muted);transition:var(--ease)}
.footer-col ul li a:hover{color:var(--amber)}
.footer-col .contact-list li{display:flex;gap:8px;align-items:flex-start}
.footer-bottom{border-top:1px solid var(--border);padding:22px 0}
.footer-bottom-inner{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:.85rem;color:var(--muted)}
.footer-bottom-inner a{color:var(--muted);transition:var(--ease)}
.footer-bottom-inner a:hover{color:var(--amber)}

/* ── GRIDS ── */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

/* ── STATS BAR ── */
.stats-bar{display:flex;align-items:center;gap:0;flex-wrap:wrap}
.stat-item{display:flex;flex-direction:column;padding:0 36px;border-right:1px solid var(--border)}
.stat-item:first-child{padding-left:0}
.stat-item:last-child{border-right:none}
.stat-num{font-family:var(--fh);font-size:2.4rem;font-weight:800;color:var(--amber);line-height:1}
.stat-label{font-size:.85rem;color:var(--muted);margin-top:4px}

/* ── BLOG CARD ── */
.blog-card{display:block;background:var(--navy-card);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;transition:var(--ease)}
.blog-card:hover{border-color:var(--border-a);transform:translateY(-4px);box-shadow:var(--shadow)}
.blog-card-body{padding:26px 24px}
.blog-tag{display:inline-block;background:var(--amber-dim);color:var(--amber);font-family:var(--fh);font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:4px 11px;border-radius:20px;margin-bottom:14px}
.blog-card h3{font-family:var(--fh);font-size:1.1rem;font-weight:700;color:var(--white);line-height:1.3;margin-bottom:10px}
.blog-card p{font-size:.9rem;color:var(--muted);line-height:1.65;margin-bottom:16px}
.blog-meta{font-size:.82rem;color:var(--muted);display:flex;gap:14px}

/* ── TABLE ── */
.data-table{width:100%;border-collapse:collapse;font-size:.92rem}
.data-table th{background:var(--navy-3);color:var(--amber);font-family:var(--fh);font-weight:700;letter-spacing:.06em;text-align:left;padding:13px 16px;border-bottom:1px solid var(--border-a)}
.data-table td{padding:12px 16px;border-bottom:1px solid var(--border);color:var(--text)}
.data-table tr:last-child td{border-bottom:none}
.data-table tr:hover td{background:rgba(245,166,35,.04)}

/* ── ACCORDION ── */
.accordion-item{border:1px solid var(--border);border-radius:var(--r);margin-bottom:10px;overflow:hidden;transition:var(--ease)}
.accordion-item.open{border-color:var(--border-a)}
.accordion-btn{width:100%;display:flex;justify-content:space-between;align-items:center;padding:18px 22px;background:var(--navy-card);border:none;cursor:pointer;font-family:var(--fh);font-size:1rem;font-weight:700;color:var(--white);transition:var(--ease);gap:12px;text-align:left}
.accordion-btn:hover{color:var(--amber)}
.accordion-btn .icon{font-size:1.1rem;transition:var(--ease);flex-shrink:0}
.accordion-item.open .accordion-btn .icon{transform:rotate(45deg);color:var(--amber)}
.accordion-body{max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease;background:var(--navy-card)}
.accordion-item.open .accordion-body{max-height:400px;padding:0 22px 20px}
.accordion-body p{color:var(--muted);font-size:.95rem;line-height:1.75}

/* ── RESPONSIVE ── */
@media(max-width:1024px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-links,.nav-cta{display:none}
  .hamburger{display:flex}
  .nav-links.open{display:flex;flex-direction:column;position:absolute;top:68px;left:0;right:0;background:var(--navy-card);border-bottom:1px solid var(--border);padding:14px;gap:4px;z-index:999}
  .dropdown-menu{position:static;opacity:1;pointer-events:all;transform:none;box-shadow:none;border:none;padding:4px 0 4px 14px}
  .grid-3,.grid-2,.grid-4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .contact-strip-inner{flex-direction:column;align-items:flex-start}
  .stats-bar{flex-direction:column;align-items:flex-start;gap:20px}
  .stat-item{border-right:none;padding-left:0;padding-right:0}
  .section{padding:64px 0}
}
@media(max-width:480px){
  .btn-lg{padding:14px 24px;font-size:.95rem}
  .hero-btns{flex-direction:column}
}

/* ── DROPDOWN FIX: works with <a class="dropdown-toggle"> ── */
.dropdown-toggle{cursor:pointer;display:flex;align-items:center;gap:4px}
/* Desktop: hover opens dropdown */
@media(min-width:769px){
  .dropdown:hover .dropdown-menu{opacity:1;pointer-events:all;transform:translateY(0)}
}
/* Mobile: .open class opens dropdown */
@media(max-width:768px){
  .dropdown .dropdown-menu{display:none;position:static;opacity:1;pointer-events:all;transform:none;box-shadow:none;border:none;padding:4px 0 4px 16px;background:transparent}
  .dropdown.open .dropdown-menu{display:block}
  .dropdown-menu a{padding:8px 14px;font-size:.88rem}
}