/* ============================================
   SARTHI ENTERPRISES — PREMIUM 2026 DARK THEME
   ============================================ */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #101018;
    --bg-card: rgba(255,255,255,0.04);
    --bg-card-hover: rgba(255,255,255,0.07);
    --bg-glass: rgba(255,255,255,0.05);
    --border-glass: rgba(255,255,255,0.08);
    --border-hover: rgba(255,107,53,0.4);
    --text-primary: #f0f0f5;
    --text-secondary: #9a9ab0;
    --text-muted: #6a6a80;
    --accent-1: #ff6b35;
    --accent-2: #e53935;
    --accent-gradient: linear-gradient(135deg, #ff6b35, #e53935);
    --accent-glow: rgba(229,57,53,0.25);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-md: 0 8px 30px rgba(0,0,0,0.4);
    --shadow-lg: 0 16px 50px rgba(0,0,0,0.5);
    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 24px;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

html { scroll-behavior:smooth; }

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.bg-pattern {
    position:fixed; inset:0; z-index:0; pointer-events:none;
    background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.03) 1px, transparent 0);
    background-size: 40px 40px;
}

.container { max-width:1280px; margin:0 auto; padding:0 24px; position:relative; z-index:1; }

a { color: var(--accent-1); text-decoration:none; transition: color 0.2s; }
a:hover { color: var(--accent-2); }

/* BUTTONS */
.btn-primary {
    display:inline-flex; align-items:center; justify-content:center;
    padding:14px 32px; border-radius:99px; font-weight:700; font-size:0.95rem;
    background: var(--accent-gradient); color:#fff; border:none; cursor:pointer;
    transition: all 0.3s ease; box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:hover { transform:translateY(-2px); box-shadow: 0 8px 30px rgba(229,57,53,0.4); color:#fff; }

.btn-outline {
    display:inline-flex; align-items:center; justify-content:center;
    padding:12px 28px; border-radius:99px; font-weight:700; font-size:0.9rem;
    background:transparent; color: var(--accent-1); cursor:pointer;
    border:2px solid rgba(255,107,53,0.3); transition: all 0.3s ease;
}
.btn-outline:hover { background: rgba(255,107,53,0.1); border-color: var(--accent-1); transform:translateY(-2px); }

/* NAVBAR */
.navbar {
    position:fixed; top:0; left:0; width:100%; z-index:100;
    background: rgba(10,10,15,0.8); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom:1px solid var(--border-glass);
}
.nav-content { display:flex; align-items:center; justify-content:space-between; height:72px; }
.logo {
    display:flex; align-items:center; gap:12px;
    font-family: var(--font-heading); font-weight:800; font-size:1.25rem;
    color: var(--text-primary); letter-spacing:0.5px;
}
.logo-icon { width:40px; height:40px; display:flex; align-items:center; justify-content:center; }
.logo-icon img { width:100%; height:100%; object-fit:contain; border-radius:8px; }
.nav-links { display:flex; align-items:center; gap:8px; }
.nav-links a {
    padding:8px 16px; font-size:0.9rem; font-weight:500; color: var(--text-secondary);
    border-radius:99px; transition: all 0.25s;
}
.nav-links a:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }
.nav-links .btn-primary { padding:10px 22px; font-size:0.85rem; margin-left:4px; }
.call-nav-btn { margin-right:4px; }

/* HERO */
.hero {
    min-height:100vh; display:flex; align-items:center; padding-top:72px;
    background: linear-gradient(170deg, #0a0a0f 0%, #141422 40%, #1a1020 70%, #0a0a0f 100%);
    position:relative; overflow:hidden;
}
.hero::before {
    content:''; position:absolute; top:20%; right:-10%; width:500px; height:500px;
    background: radial-gradient(circle, rgba(229,57,53,0.08) 0%, transparent 70%);
    border-radius:50%; pointer-events:none;
}
.hero::after {
    content:''; position:absolute; bottom:10%; left:-5%; width:400px; height:400px;
    background: radial-gradient(circle, rgba(255,107,53,0.06) 0%, transparent 70%);
    border-radius:50%; pointer-events:none;
}
.hero-content { max-width:800px; }
.badge {
    display:inline-flex; align-items:center; gap:8px;
    padding:8px 20px; border-radius:99px; font-size:0.8rem; font-weight:700;
    background: rgba(255,107,53,0.1); color: var(--accent-1);
    border:1px solid rgba(255,107,53,0.2); margin-bottom:28px;
    text-transform:uppercase; letter-spacing:1px;
}
.brand-title {
    font-family: var(--font-heading); font-size:4.5rem; font-weight:900;
    line-height:1.05; margin-bottom:24px;
    background: linear-gradient(135deg, #ffffff 0%, #d0d0e0 50%, var(--accent-1) 100%);
    -webkit-background-clip:text; -webkit-text-fill-color:transparent;
    background-clip:text;
}
.brand-specialty {
    font-size:1.15rem; color: var(--text-secondary); max-width:650px;
    line-height:1.7; margin-bottom:40px;
}
.hero-stats {
    display:flex; gap:0; padding:28px 36px;
    background: var(--bg-glass); border:1px solid var(--border-glass);
    border-radius: var(--radius-lg); backdrop-filter: blur(10px);
}
.stat {
    display:flex; flex-direction:column; gap:4px; padding:0 32px;
    border-right:1px solid var(--border-glass);
}
.stat:last-child { border-right:none; }
.stat:first-child { padding-left:0; }
.stat-num {
    font-family: var(--font-heading); font-size:2rem; font-weight:800;
    background: var(--accent-gradient); -webkit-background-clip:text; -webkit-text-fill-color:transparent;
}
.stat-label { font-size:0.8rem; color: var(--text-muted); font-weight:600; text-transform:uppercase; letter-spacing:0.5px; }

/* SECTIONS */
.section { padding:100px 0; position:relative; }
.bg-darker { background: var(--bg-secondary); }
.section-header { text-align:center; margin-bottom:56px; }
.section-header h2 {
    font-family: var(--font-heading); font-size:2.8rem; font-weight:800;
    margin-bottom:16px;
    background: linear-gradient(135deg, #fff, #c0c0d0);
    -webkit-background-clip:text; -webkit-text-fill-color:transparent;
}
.section-subtitle { color: var(--text-secondary); font-size:1.05rem; max-width:700px; margin:0 auto; line-height:1.65; }

/* GLASS CARDS (About) */
.grid-2 { display:grid; grid-template-columns:repeat(2,1fr); gap:24px; }
.glass-card {
    background: var(--bg-card); border:1px solid var(--border-glass);
    padding:36px 32px; border-radius: var(--radius-lg);
    backdrop-filter: blur(10px); transition: all 0.35s ease;
}
.glass-card:hover { background: var(--bg-card-hover); border-color: var(--border-hover); transform:translateY(-4px); box-shadow: 0 12px 40px rgba(229,57,53,0.1); }
.card-icon {
    width:52px; height:52px; border-radius:14px; display:flex; align-items:center; justify-content:center;
    background: rgba(255,107,53,0.1); color: var(--accent-1); margin-bottom:18px;
}
.glass-card h3 { font-family: var(--font-heading); font-size:1.3rem; font-weight:700; margin-bottom:12px; color: var(--text-primary); }
.glass-card p { color: var(--text-secondary); font-size:0.95rem; line-height:1.65; }

/* SECTORS */
.sectors-card { margin-top:24px; }
.sectors-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:12px; margin-top:20px; }
.sector-item {
    display:flex; align-items:center; gap:10px; padding:12px 16px;
    background: rgba(255,107,53,0.04); border:1px solid rgba(255,107,53,0.08);
    border-radius: var(--radius-sm); font-size:0.9rem; font-weight:600;
    color: var(--text-primary); transition: all 0.2s;
}
.sector-item:hover { background: rgba(255,107,53,0.08); border-color: rgba(255,107,53,0.2); transform:translateY(-2px); }
.sector-item svg { color: var(--accent-1); flex-shrink:0; }

/* SERVICES */
.services-stacked { display:flex; flex-direction:column; gap:24px; }
.service-banner-card {
    position:relative; background: var(--bg-card); border:1px solid var(--border-glass);
    border-radius: var(--radius-lg); padding:40px; overflow:hidden;
    transition: all 0.35s ease; border-left:3px solid transparent;
}
.service-banner-card:hover { background: var(--bg-card-hover); border-color: var(--border-hover); border-left-color: var(--accent-1); transform:translateY(-3px); box-shadow: var(--shadow-md); }
.service-banner-card.highlight-card { border-left:3px solid var(--accent-1); background: rgba(255,107,53,0.03); }
.service-badge-number {
    position:absolute; top:20px; right:36px; font-size:4.5rem; font-weight:900; line-height:1;
    background: var(--accent-gradient); -webkit-background-clip:text; -webkit-text-fill-color:transparent;
    opacity:0.12; pointer-events:none;
}
.service-card-body { max-width:1100px; }
.service-card-header { display:flex; align-items:center; gap:18px; margin-bottom:16px; }
.service-tag {
    font-size:0.7rem; font-weight:700; text-transform:uppercase; letter-spacing:1px;
    color: var(--accent-1); background: rgba(255,107,53,0.1); padding:4px 12px;
    border-radius:99px; display:inline-block; margin-bottom:4px;
}
.service-card-header h3 { font-family: var(--font-heading); font-size:1.6rem; font-weight:800; color: var(--text-primary); }
.service-desc { color: var(--text-secondary); font-size:0.975rem; line-height:1.7; margin-bottom:20px; }
.service-features-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:10px 24px; }
.feature-item { display:flex; align-items:center; gap:10px; font-size:0.9rem; font-weight:600; color: var(--text-primary); }
.feature-dot { width:7px; height:7px; border-radius:50%; background: var(--accent-1); flex-shrink:0; box-shadow: 0 0 8px var(--accent-glow); }

/* PRODUCTS */
.product-category-block { margin-bottom:56px; }
.category-header-row {
    display:flex; justify-content:space-between; align-items:center;
    margin-bottom:20px; padding-bottom:12px; border-bottom:1px solid rgba(255,107,53,0.12);
}
.category-header-row h3 {
    font-family: var(--font-heading); font-size:1.5rem; font-weight:800; color: var(--text-primary);
    display:flex; align-items:center; gap:12px;
}
.category-header-row h3::before { content:''; width:4px; height:22px; background: var(--accent-gradient); border-radius:4px; }
.slider-controls { display:flex; gap:8px; }
.slider-btn {
    width:40px; height:40px; border-radius:50%; background: var(--bg-card);
    border:1px solid var(--border-glass); color: var(--text-secondary);
    display:flex; align-items:center; justify-content:center; cursor:pointer; transition: all 0.25s;
}
.slider-btn:hover { background: var(--accent-gradient); color:#fff; border-color:transparent; box-shadow: 0 4px 14px var(--accent-glow); transform:scale(1.05); }

.product-slider-wrapper { position:relative; overflow:hidden; width:100%; }
.product-slider-track {
    display:flex; gap:20px; overflow-x:auto; scroll-behavior:smooth;
    padding:8px 4px 16px; scrollbar-width:none;
}
.product-slider-track::-webkit-scrollbar { display:none; }

.product-card {
    flex:0 0 290px; background: var(--bg-card); border:1px solid var(--border-glass);
    border-radius: var(--radius-lg); overflow:hidden; display:flex; flex-direction:column;
    transition: all 0.35s ease; position:relative;
}
.product-card::before {
    content:''; position:absolute; top:0; left:-100%; width:50%; height:100%;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.06), transparent);
    transform:skewX(-20deg); transition:none; z-index:2; pointer-events:none;
}
.product-card:hover::before { animation: shimmer 0.8s forwards; }
@keyframes shimmer { 100% { left:200%; } }
.product-card:hover { border-color: var(--border-hover); transform:translateY(-5px); box-shadow: 0 12px 40px rgba(229,57,53,0.12); }

.product-image {
    position:relative; width:100%; height:220px; background: rgba(255,255,255,0.02);
    display:flex; align-items:center; justify-content:center; padding:18px;
    border-bottom:1px solid var(--border-glass);
}
.product-image img { max-height:185px; max-width:100%; object-fit:contain; transition: transform 0.4s; }
.product-card:hover .product-image img { transform:scale(1.06); }
.category-badge {
    position:absolute; top:12px; left:12px;
    background: rgba(10,10,15,0.8); backdrop-filter: blur(6px);
    border:1px solid var(--border-glass); padding:4px 12px; border-radius:99px;
    font-size:0.7rem; font-weight:700; text-transform:uppercase; color: var(--accent-1);
}
.product-info { padding:20px; display:flex; flex-direction:column; flex-grow:1; justify-content:space-between; }
.product-info h4 { font-family: var(--font-heading); font-size:1.05rem; font-weight:700; margin-bottom:6px; color: var(--text-primary); line-height:1.35; }
.product-summary { font-size:0.85rem; color: var(--text-secondary); margin-bottom:16px; line-height:1.5; }
.product-info .view-details-btn { width:100%; text-align:center; margin-top:auto; }

/* CLIENTS */
.client-category-block { margin-bottom:40px; }
.client-cat-title {
    font-size:0.85rem; color: var(--text-muted); text-transform:uppercase;
    letter-spacing:2px; margin-bottom:20px; font-weight:700; text-align:center;
}
.marquee-container {
    width:100%; overflow:hidden; position:relative; padding:8px 0;
    mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}
.marquee-track { display:flex; gap:24px; width:max-content; animation: marquee-scroll 35s linear infinite; }
.marquee-track:hover { animation-play-state:paused; }
@keyframes marquee-scroll { 0%{transform:translateX(0)} 100%{transform:translateX(-50%)} }

.client-logo {
    display:flex; align-items:center; justify-content:center;
    height:220px; min-width:360px; background: rgba(255,255,255,0.95);
    border:1px solid var(--border-glass); border-radius: var(--radius-md);
    padding:24px 36px; transition: all 0.3s;
}
.client-logo img { max-height:160px; max-width:360px; object-fit:contain; transition: all 0.3s; }
.client-logo:hover { transform:translateY(-4px) scale(1.02); border-color: var(--border-hover); box-shadow: 0 10px 30px rgba(229,57,53,0.15); }

/* GALLERY */
.gallery-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:20px; }
.gallery-item {
    border-radius: var(--radius-lg); overflow:hidden; position:relative;
    aspect-ratio:4/3; border:1px solid var(--border-glass); background: var(--bg-card);
    display:flex; align-items:center; justify-content:center;
}
.gallery-item img { width:100%; height:100%; object-fit:cover; transition: transform 0.5s; }
.gallery-item::after {
    content:''; position:absolute; inset:0;
    background: linear-gradient(to top, rgba(10,10,15,0.6) 0%, transparent 50%);
    opacity:0; transition: opacity 0.3s;
}
.gallery-item:hover img { transform:scale(1.06); }
.gallery-item:hover::after { opacity:1; }

/* MAP */
.map-section .map-wrapper { border-radius: var(--radius-lg); overflow:hidden; border:1px solid var(--border-glass); box-shadow: var(--shadow-md); }
.map-section .map-wrapper iframe { display:block; width:100%; }

/* FOOTER */
footer {
    border-top:1px solid var(--border-glass); padding:80px 0 40px;
    background: linear-gradient(to bottom, var(--bg-secondary), #060608); color:#fff;
}
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr; gap:48px; margin-bottom:48px; }
.footer-brand h3 {
    font-family: var(--font-heading); font-size:1.5rem; margin-bottom:12px; font-weight:800;
    background: var(--accent-gradient); -webkit-background-clip:text; -webkit-text-fill-color:transparent;
}
.footer-brand p { color: var(--text-secondary); margin-bottom:8px; }
.gstin {
    display:inline-block; padding:4px 12px; background: rgba(255,255,255,0.06);
    border-radius:6px; font-family:monospace; margin-top:12px; color: var(--text-secondary);
    border:1px solid var(--border-glass);
}
.footer-contact h4 { font-family: var(--font-heading); font-size:1.05rem; margin-bottom:16px; font-weight:700; }
.footer-contact p { color: var(--text-secondary); margin-bottom:8px; line-height:1.5; }
.footer-contact a { color: var(--text-primary); transition: color 0.2s; }
.footer-contact a:hover { color: var(--accent-1); }
.footer-bottom {
    text-align:center; padding-top:28px; border-top:1px solid var(--border-glass);
    color: var(--text-muted); font-size:0.85rem;
}

/* FLOATING CALL */
.floating-call-btn {
    position:fixed; bottom:28px; right:28px; z-index:90;
    width:60px; height:60px; border-radius:50%; display:flex; align-items:center; justify-content:center;
    background: var(--accent-gradient); color:#fff; box-shadow: 0 6px 24px var(--accent-glow);
    transition: all 0.3s; animation: pulse-glow 2s ease-in-out infinite;
}
.floating-call-btn:hover { transform:scale(1.1); box-shadow: 0 8px 30px rgba(229,57,53,0.5); color:#fff; }
@keyframes pulse-glow {
    0%,100% { box-shadow: 0 6px 24px var(--accent-glow); }
    50% { box-shadow: 0 6px 36px rgba(229,57,53,0.45); }
}

/* MODAL */
.product-modal {
    position:fixed; inset:0; z-index:1000; display:flex; align-items:center; justify-content:center;
    opacity:0; pointer-events:none; transition: opacity 0.3s;
}
.product-modal.active { opacity:1; pointer-events:auto; }
.modal-overlay { position:absolute; inset:0; background: rgba(0,0,0,0.75); backdrop-filter: blur(8px); }
.modal-card {
    position:relative; background: #16161e; border:1px solid var(--border-glass);
    border-radius: var(--radius-lg); width:90%; max-width:800px; padding:36px;
    box-shadow: var(--shadow-lg); z-index:2; transform:scale(0.95); transition: transform 0.3s;
}
.product-modal.active .modal-card { transform:scale(1); }
.modal-close {
    position:absolute; top:16px; right:20px; background:transparent; border:none;
    font-size:2rem; color: var(--text-muted); cursor:pointer; line-height:1; transition: color 0.2s;
}
.modal-close:hover { color: var(--accent-1); }
.modal-grid { display:grid; grid-template-columns:260px 1fr; gap:32px; align-items:center; }
.modal-image-col {
    background: rgba(255,255,255,0.03); border-radius: var(--radius-md); padding:20px;
    display:flex; align-items:center; justify-content:center; height:260px;
    border:1px solid var(--border-glass);
}
.modal-image-col img { max-height:220px; max-width:100%; object-fit:contain; }
.modal-category {
    font-size:0.7rem; font-weight:700; text-transform:uppercase; letter-spacing:1px;
    color: var(--accent-1); background: rgba(255,107,53,0.1); padding:4px 12px;
    border-radius:99px; display:inline-block; margin-bottom:8px;
}
.modal-content-col h3 { font-family: var(--font-heading); font-size:1.5rem; font-weight:800; margin-bottom:10px; }
.modal-content-col p { color: var(--text-secondary); font-size:0.95rem; line-height:1.65; margin-bottom:20px; }
.modal-actions { display:flex; gap:14px; flex-wrap:wrap; }

/* REVEAL ANIMATIONS */
.reveal { opacity:0; transform:translateY(28px); transition: all 0.7s cubic-bezier(0.5,0,0,1); }
.reveal.revealed { opacity:1; transform:translateY(0); }

/* RESPONSIVE */
@media (max-width:992px) {
    .grid-2 { grid-template-columns:1fr; }
    .footer-grid { grid-template-columns:1fr; gap:28px; }
    .brand-title { font-size:3rem; }
    .hero-stats { flex-direction:column; gap:16px; padding:20px; }
    .stat { border-right:none; padding:8px 0; border-bottom:1px solid var(--border-glass); }
    .stat:last-child { border-bottom:none; }
    .service-features-grid { grid-template-columns:1fr; }
    .modal-grid { grid-template-columns:1fr; gap:16px; }
    .modal-image-col { height:180px; }
    .sectors-grid { grid-template-columns:1fr 1fr; }
    .nav-links a:not(.btn-primary):not(.call-nav-btn) { display:none; }
}

@media (max-width:600px) {
    .container { padding:0 16px; }
    .nav-content { height:60px; }
    .logo { font-size:1rem; }
    .brand-title { font-size:2.2rem; }
    .brand-specialty { font-size:1rem; }
    .section { padding:60px 0; }
    .section-header h2 { font-size:2rem; }
    .hero { min-height:auto; padding:120px 0 60px; }
    .product-card { flex:0 0 260px; }
    .gallery-grid { grid-template-columns:1fr 1fr; gap:12px; }
    .client-logo { height:120px; min-width:200px; padding:12px 16px; }
    .client-logo img { max-height:80px; max-width:180px; }
    .sectors-grid { grid-template-columns:1fr; }
}