/* ============================================================
   assets/css/style.css
   Theme: Slate Dark + Cyan/Teal — VishalCorp Premium Redesign
   ============================================================ */

/* ─── CSS Custom Properties ─────────────────────────────── */
:root {
    --primary:        #0d1b2a;
    --primary-mid:    #112233;
    --surface:        #162032;
    --surface-2:      #1c2c40;
    --accent:         #00d4ff;
    --accent-2:       #00b8d9;
    --accent-glow:    rgba(0, 212, 255, 0.18);
    --teal:           #00897b;
    --text-primary:   #e8f4fd;
    --text-secondary: #8ba9c0;
    --text-muted:     #5a7a96;
    --border:         rgba(0, 212, 255, 0.12);
    --border-hover:   rgba(0, 212, 255, 0.4);
    --body-bg:        #0a1520;
    --white:          #ffffff;
    --gradient-hero:  linear-gradient(135deg, #0a1520 0%, #0d2035 50%, #0a1a2e 100%);
    --gradient-accent: linear-gradient(135deg, #00d4ff 0%, #00897b 100%);
    --shadow-glow:    0 0 30px rgba(0, 212, 255, 0.15);
    --shadow-card:    0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-card-hover: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(0, 212, 255, 0.12);
    --radius:         14px;
    --radius-sm:      8px;
    --radius-lg:      20px;
    --transition:     all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Reset & Base ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Outfit', sans-serif;
    color: var(--text-primary);
    background-color: var(--body-bg);
    overflow-x: hidden;
    line-height: 1.7;
}

/* ─── Typography ────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
}
p { color: var(--text-secondary); }
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-2); }

/* Bootstrap Color Overrides */
.text-primary   { color: var(--accent)      !important; }
.text-secondary { color: var(--teal)        !important; }
.text-muted     { color: var(--text-muted)  !important; }
.bg-primary     { background-color: var(--surface)    !important; }
.bg-secondary   { background-color: var(--surface-2)  !important; }
.bg-light       { background-color: var(--primary-mid)!important; }
.bg-white       { background-color: var(--primary)    !important; }
.bg-dark        { background-color: var(--primary)    !important; }

/* ─── Buttons ───────────────────────────────────────────── */
.btn { font-weight: 600; letter-spacing: 0.02em; transition: var(--transition); border-radius: 50px; }

.btn-primary {
    background: var(--gradient-accent);
    border: none;
    color: var(--primary);
}
.btn-primary:hover {
    background: linear-gradient(135deg, #00b8d9 0%, #007a6e 100%);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.35);
}
.btn-outline-primary {
    color: var(--accent);
    border: 2px solid var(--accent);
    background: transparent;
}
.btn-outline-primary:hover {
    background: var(--accent);
    color: var(--primary);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.3);
}
.btn-outline-light {
    border: 2px solid rgba(232,244,253,0.4);
    color: var(--text-primary);
}
.btn-outline-light:hover {
    background: rgba(232,244,253,0.1);
    color: var(--white);
}
.btn-light {
    background: var(--text-primary);
    color: var(--primary);
    font-weight: 700;
}
.btn-light:hover {
    background: var(--accent);
    color: var(--primary);
    transform: translateY(-2px);
}

/* ─── Preloader ─────────────────────────────────────────── */
#preloader {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--body-bg);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease;
}
#preloader .spinner-border {
    border-color: var(--accent);
    border-right-color: transparent;
    width: 3rem;
    height: 3rem;
}

/* ─── Topbar ────────────────────────────────────────────── */
.topbar {
    font-size: 0.82rem;
    background: linear-gradient(90deg, var(--primary) 0%, #0d2035 100%) !important;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    letter-spacing: 0.01em;
}
.topbar i     { color: var(--accent); }
.topbar small { color: var(--text-secondary); }

/* ─── Navbar ────────────────────────────────────────────── */
.navbar {
    background: rgba(10, 21, 32, 0.92) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
    padding: 14px 0;
}
.navbar.scrolled {
    background: rgba(10, 21, 32, 0.98) !important;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4), 0 1px 0 rgba(0, 212, 255, 0.1);
    padding: 8px 0;
}
.navbar-brand {
    font-size: 1.7rem !important;
    font-weight: 800 !important;
    letter-spacing: -0.02em;
}
.navbar-nav .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 6px 0;
    margin: 0 12px;
    position: relative;
    transition: var(--transition);
}
.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    width: 0; height: 2px;
    bottom: 0; left: 0;
    background: var(--gradient-accent);
    border-radius: 2px;
    transition: width 0.35s ease;
}
.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after { width: 100%; }
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active { color: var(--accent) !important; }

.dropdown-menu {
    background: var(--surface-2) !important;
    border: 1px solid var(--border) !important;
    box-shadow: var(--shadow-card) !important;
    border-radius: var(--radius) !important;
    padding: 8px;
}
.dropdown-item {
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    padding: 9px 16px;
    font-weight: 500;
    transition: var(--transition);
}
.dropdown-item:hover { background: var(--accent-glow); color: var(--accent); }

.navbar-toggler { border: 1px solid var(--border) !important; }
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%280, 212, 255, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* ─── Hero Section ──────────────────────────────────────── */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    overflow: hidden;
    padding: 160px 0 100px;
}
.hero-section::before {
    content: '';
    position: absolute;
    top: -30%; right: -10%;
    width: 700px; height: 700px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,212,255,0.07) 0%, transparent 70%);
    pointer-events: none;
}
.hero-section::after {
    content: '';
    position: absolute;
    bottom: -20%; left: -10%;
    width: 500px; height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,137,123,0.06) 0%, transparent 70%);
    pointer-events: none;
}
.hero-title {
    font-size: clamp(2.8rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}
.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    font-weight: 300;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.25);
    color: var(--accent);
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 28px;
}

/* ─── Glass Cards ───────────────────────────────────────── */
.glass-card {
    background: rgba(22, 32, 50, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    overflow: hidden;
}
.glass-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-card-hover);
}

/* ─── Product Cards ─────────────────────────────────────── */
.product-card {
    border: 1px solid var(--border) !important;
    border-radius: var(--radius) !important;
    background: var(--surface) !important;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
}
.product-card:hover {
    transform: translateY(-10px);
    border-color: var(--border-hover) !important;
    box-shadow: var(--shadow-card-hover);
}
.product-img-wrapper {
    overflow: hidden;
    height: 250px;
    position: relative;
}
.product-img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.product-card:hover .product-img { transform: scale(1.08); }
.product-body { padding: 22px; background: var(--surface); }
.product-body h5 { color: var(--text-primary); }
.product-body p  { color: var(--text-secondary); }

/* Stat Cards */
.stat-card {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 20px;
    text-align: center;
    transition: var(--transition);
}
.stat-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
    transform: translateY(-6px);
}
.stat-card .stat-icon {
    font-size: 2rem;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
    display: block;
}
.stat-card h2 { font-size: 2.4rem; font-weight: 800; color: var(--accent); margin-bottom: 4px; }
.stat-card p  { color: var(--text-secondary); font-size: 0.9rem; margin: 0; }

/* Industry Cards */
.industry-card {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 20px;
    text-align: center;
    transition: var(--transition);
    cursor: default;
}
.industry-card:hover {
    border-color: var(--accent);
    background: rgba(0, 212, 255, 0.06);
    box-shadow: 0 0 25px rgba(0, 212, 255, 0.12);
    transform: translateY(-6px);
}
.industry-card i {
    font-size: 2.2rem;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 12px;
}
.industry-card h6 { color: var(--text-primary); font-weight: 600; margin: 0; }

/* ─── Page Header ───────────────────────────────────────── */
.page-header {
    background: var(--gradient-hero);
    padding: 120px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
}
.page-header::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 600px; height: 300px;
    background: radial-gradient(ellipse, rgba(0,212,255,0.06) 0%, transparent 70%);
    pointer-events: none;
}
.page-header h1 { color: var(--text-primary); }
.page-header p  { color: var(--text-secondary); }
.page-header .breadcrumb-item a      { color: var(--accent); }
.page-header .breadcrumb-item.active { color: var(--text-secondary); }
.page-header .breadcrumb-item + .breadcrumb-item::before { color: var(--text-muted); }

/* ─── CTA Section ───────────────────────────────────────── */
.cta-section {
    background: linear-gradient(135deg, var(--surface) 0%, var(--surface-2) 100%);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    right: -100px; top: -100px;
    width: 400px; height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,212,255,0.08) 0%, transparent 70%);
}

/* ─── Floating Action Buttons ───────────────────────────── */
.floating-btn {
    position: fixed;
    bottom: 30px;
    width: 52px; height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.4rem;
    z-index: 1000;
    transition: var(--transition);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}
.whatsapp-btn { right: 30px; background: linear-gradient(135deg, #25d366, #128c7e); }
.whatsapp-btn:hover { color: var(--white); transform: scale(1.12); box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4); }
.call-btn     { right: 92px; background: var(--gradient-accent); color: var(--primary); }
.call-btn:hover { color: var(--primary); transform: scale(1.12); box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4); }
.back-to-top {
    left: 30px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    opacity: 0; visibility: hidden;
    cursor: pointer;
}
.back-to-top.show  { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--accent); color: var(--primary); transform: translateY(-5px); border-color: var(--accent); }

/* ─── Cookie Banner ─────────────────────────────────────── */
.cookie-banner {
    position: fixed;
    bottom: 0; left: 0; width: 100%;
    background: var(--surface-2);
    border-top: 1px solid var(--border);
    z-index: 1050;
    color: var(--text-secondary);
    box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.4);
}
.cookie-banner a { color: var(--accent); }

/* ─── Footer ────────────────────────────────────────────── */
.footer {
    background: var(--primary) !important;
    border-top: 1px solid var(--border);
}
.footer h4, .footer h5 { color: var(--text-primary); }
.footer p  { color: var(--text-secondary); }
.footer hr { border-color: var(--border) !important; opacity: 1; }
.footer-links a {
    color: var(--text-secondary) !important;
    display: inline-block;
    transition: var(--transition);
}
.footer-links a:hover { color: var(--accent) !important; transform: translateX(5px); }
.footer .social-links a {
    width: 36px; height: 36px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    transition: var(--transition);
    text-decoration: none;
}
.footer .social-links a:hover {
    background: var(--accent-glow);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-3px);
}
.footer .text-light-50 { color: var(--text-secondary) !important; }
.footer i.text-primary { color: var(--accent) !important; }

/* ─── Forms ─────────────────────────────────────────────── */
.form-control, .form-select {
    background: var(--surface-2);
    border: 1.5px solid rgba(0, 212, 255, 0.45);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    transition: var(--transition);
    box-shadow: 0 0 0 0 transparent;
}
.form-control:hover, .form-select:hover {
    border-color: rgba(0, 212, 255, 0.7);
}
.form-control:focus, .form-select:focus {
    background: var(--surface-2);
    border-color: var(--accent);
    color: var(--text-primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.22), 0 0 12px rgba(0, 212, 255, 0.15);
    outline: none;
}
.form-control::placeholder { color: var(--text-muted); }
.form-label { color: var(--text-secondary); font-weight: 500; }
textarea.form-control { min-height: 130px; resize: vertical; }

/* ─── Tables ────────────────────────────────────────────── */
.table { color: var(--text-secondary); border-color: var(--border); }
.table th { color: var(--accent); background: var(--surface-2); border-color: var(--border); font-weight: 600; }
.table td { border-color: var(--border); }
.table-striped > tbody > tr:nth-of-type(odd) > * { background: rgba(255,255,255,0.02); color: var(--text-secondary); }

/* ─── Accordion / FAQs ──────────────────────────────────── */
.accordion-item {
    background: var(--surface) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius) !important;
    margin-bottom: 12px !important;
    overflow: hidden;
}
.accordion-button {
    background: var(--surface) !important;
    color: var(--text-primary) !important;
    font-weight: 600;
    box-shadow: none !important;
}
.accordion-button:not(.collapsed) {
    background: var(--surface-2) !important;
    color: var(--accent) !important;
}
.accordion-button::after { filter: invert(70%) sepia(100%) saturate(300%) hue-rotate(160deg); }
.accordion-body {
    background: var(--surface-2) !important;
    color: var(--text-secondary);
    border-top: 1px solid var(--border);
}

/* ─── Gallery ───────────────────────────────────────────── */
.gallery-item {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
}
.gallery-item:hover { border-color: var(--border-hover); box-shadow: var(--shadow-card-hover); transform: scale(1.02); }

/* ─── Cards (generic Bootstrap) ────────────────────────── */
.card {
    background: var(--surface) !important;
    border: 1px solid var(--border) !important;
    color: var(--text-primary);
}
.card-body { background: var(--surface) !important; }

/* ─── List Groups ───────────────────────────────────────── */
.list-group-item {
    background: var(--surface-2) !important;
    border-color: var(--border) !important;
    color: var(--text-secondary);
}

/* ─── Scrollbar ─────────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--body-bg); }
::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-2); }

/* ─── Responsive ────────────────────────────────────────── */
@media (max-width: 991px) {
    .navbar-collapse {
        background: var(--primary);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 16px;
        margin-top: 12px;
    }
    .navbar-nav .nav-link { margin: 4px 0; }
    .dropdown-menu { border: none !important; background: transparent !important; box-shadow: none !important; padding-left: 16px; }
}
@media (max-width: 768px) {
    .hero-title    { font-size: 2.4rem; }
    .hero-subtitle { font-size: 1.05rem; }
    .stat-card     { padding: 24px 16px; }
    .floating-btn  { width: 46px; height: 46px; font-size: 1.2rem; }
    .whatsapp-btn  { right: 20px; bottom: 20px; }
    .call-btn      { right: 76px; bottom: 20px; }
    .back-to-top   { left: 20px; bottom: 20px; }
}
@media (max-width: 480px) {
    .hero-title { font-size: 2rem; }
    .hero-badge { font-size: 0.75rem; padding: 5px 14px; }
}