/**
 * LOGIC PIXEL (logicpixel.com.bd) — Minimalist, Clean & High-Contrast Design System
 * Inspired by Linear, Vercel & Stripe Aesthetic.
 */

:root {
    --bg-base: #030712;
    --bg-surface: #0b0f19;
    --bg-card: #0f172a;
    --bg-card-hover: #162038;
    --bg-input: #080d1a;
    
    --border-subtle: #1e293b;
    --border-input: #334155;
    --border-focus: #38bdf8;

    --blue: #38bdf8;
    --blue-dim: rgba(56, 189, 248, 0.1);
    --orange: #f97316;
    --orange-hover: #ea580c;
    --emerald: #22c55e;
    --emerald-dim: rgba(34, 197, 94, 0.1);
    --amber: #fbbf24;
    --purple: #c084fc;
    --rose: #f43f5e;

    --text-white: #ffffff;
    --text-body: #cbd5e1;
    --text-muted: #94a3b8;
    --text-dim: #64748b;

    --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;
}

/* Base & Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    background-color: var(--bg-base);
    color: var(--text-body);
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-base);
    color: var(--text-body);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1160px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
}

.max-w-md { max-width: 28rem; }
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

.section-padding {
    padding-top: 5rem;
    padding-bottom: 5rem;
}

.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-start { display: flex; align-items: flex-start; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-4xl { font-size: 2.25rem; }
.text-5xl { font-size: 3rem; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.uppercase { text-transform: uppercase; }

.text-white { color: var(--text-white); }
.text-blue { color: var(--blue); }
.text-orange { color: var(--orange); }
.text-emerald { color: var(--emerald); }
.text-amber { color: var(--amber); }
.text-purple { color: var(--purple); }
.text-muted { color: var(--text-muted); }
.text-dim { color: var(--text-dim); }

.bg-dark { background-color: var(--bg-base); }
.bg-dark-alt { background-color: var(--bg-surface); }
.block { display: block; }
.inline-block { display: inline-block; }
.w-full { width: 100%; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mb-12 { margin-bottom: 3rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }

/* Panels & Cards */
.glass-panel {
    background-color: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.glass-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
}

.glass-card-sm {
    background-color: rgba(11, 15, 25, 0.6);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
}

.hover-lift:hover {
    transform: translateY(-3px);
    border-color: #334155;
}

/* Badges & Section Headings */
.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.8rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    color: var(--blue);
    background-color: var(--blue-dim);
    border: 1px solid rgba(56, 189, 248, 0.25);
    border-radius: var(--radius-full);
}

.badge-live-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--emerald);
    display: inline-block;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.1rem;
    font-weight: 700;
    color: var(--text-white);
    letter-spacing: -0.5px;
    margin-top: 0.4rem;
    margin-bottom: 0.6rem;
}

.section-subtitle {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.tag-badge {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.2rem 0.55rem;
    background-color: #1e293b;
    border: 1px solid #334155;
    border-radius: 4px;
    color: #cbd5e1;
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.4rem;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    color: #ffffff;
    background-color: var(--orange);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color 0.15s ease, transform 0.15s ease;
}

.btn-primary:hover {
    background-color: var(--orange-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.4rem;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    color: #ffffff;
    background-color: #1e293b;
    border: 1px solid #334155;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.btn-secondary:hover {
    background-color: #26354a;
    border-color: #475569;
}

.btn-whatsapp-direct {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.4rem;
    font-weight: 700;
    font-size: 0.9rem;
    color: #ffffff;
    background-color: #16a34a;
    border-radius: var(--radius-sm);
    transition: background-color 0.15s ease;
}

.btn-whatsapp-direct:hover {
    background-color: #15803d;
}

.btn-xs {
    padding: 0.35rem 0.75rem;
    font-size: 0.76rem;
    font-weight: 600;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    cursor: pointer;
}

.btn-outline-blue {
    background: transparent;
    border: 1px solid var(--blue);
    color: var(--blue);
}

.btn-outline-blue:hover {
    background: var(--blue-dim);
}

.btn-outline-cyan {
    background: transparent;
    border: 1px solid var(--blue);
    color: var(--blue);
    border-radius: 4px;
    padding: 0.4rem 0.8rem;
    cursor: pointer;
}

.btn-glowing-orange {
    background-color: var(--orange);
    color: #ffffff;
    border: none;
    border-radius: 4px;
    padding: 0.4rem 0.8rem;
    cursor: pointer;
    font-weight: 600;
}

/* Header & Navigation */
.top-announcement-bar {
    background-color: #02040a;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-muted);
}

.top-contact-link:hover { color: var(--blue); }
.top-portal-link { color: var(--blue); font-weight: 600; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(3, 7, 18, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.logo-icon-wrap {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #0f172a;
    border: 1px solid #1e293b;
    border-radius: 7px;
    color: var(--blue);
    font-size: 1.1rem;
}

.brand-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.3px;
}

.brand-sub {
    display: block;
    font-size: 0.52rem;
    font-weight: 700;
    letter-spacing: 1.2px;
    color: var(--text-dim);
}

.desktop-nav .nav-links {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 1.4rem;
}

.nav-link {
    font-size: 0.88rem;
    font-weight: 500;
    color: #cbd5e1;
    padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
    color: #ffffff;
}

.nav-arrow {
    font-size: 0.62rem;
    margin-left: 0.2rem;
    color: var(--text-dim);
}

.has-dropdown { position: relative; }
.has-dropdown:hover .nav-arrow { transform: rotate(180deg); color: var(--blue); }

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: -20px;
    width: 320px;
    padding: 0.6rem;
    background-color: #0f172a;
    border: 1px solid #1e293b;
    border-radius: var(--radius-sm);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.7);
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: all 0.15s ease;
    z-index: 100;
}

.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-grid {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.55rem;
    border-radius: var(--radius-sm);
}

.dropdown-item:hover {
    background-color: #1e293b;
}

.dropdown-item .icon-box {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #080d1a;
    border: 1px solid #1e293b;
    border-radius: 5px;
    font-size: 0.85rem;
}

.dropdown-item strong {
    font-size: 0.82rem;
    color: #ffffff;
    display: block;
}

.dropdown-item p {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.mobile-toggle-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.mobile-toggle-btn .bar {
    width: 22px;
    height: 2px;
    background-color: #ffffff;
}

/* Mobile Slide-out Drawer */
.mobile-nav-drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background-color: #0b0f19;
    border-left: 1px solid var(--border-subtle);
    z-index: 2000;
    transition: right 0.25s ease;
    display: flex;
    flex-direction: column;
}

.mobile-nav-drawer.open { right: 0; }

.drawer-backdrop {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
}

.drawer-backdrop.open { opacity: 1; visibility: visible; }

.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.15rem;
    border-bottom: 1px solid var(--border-subtle);
}

.drawer-title { font-family: var(--font-heading); font-size: 1.15rem; font-weight: 800; }
.drawer-close { background: none; border: none; color: var(--text-muted); font-size: 1.2rem; cursor: pointer; }
.drawer-body { padding: 1.15rem; display: flex; flex-direction: column; justify-content: space-between; flex: 1; overflow-y: auto; }

.mobile-nav-list { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.mobile-nav-list a { font-size: 0.92rem; font-weight: 500; color: #cbd5e1; padding: 0.5rem 0; display: block; border-bottom: 1px solid #1e293b; }
.mobile-nav-list a:hover { color: var(--blue); }

/* Hero Section */
.hero-section {
    padding: 5rem 0 3.5rem;
}

.hero-heading {
    font-family: var(--font-heading);
    font-size: 2.85rem;
    font-weight: 800;
    line-height: 1.18;
    letter-spacing: -0.8px;
    color: #ffffff;
}

.hero-description {
    font-size: 1.05rem;
    color: var(--text-body);
    line-height: 1.65;
}

.hero-stats-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
    align-items: center;
    padding: 1.5rem 2rem;
}

.stat-box { text-align: center; }
.stat-number { font-family: var(--font-heading); font-size: 1.75rem; font-weight: 800; color: #ffffff; display: block; line-height: 1; margin-bottom: 0.25rem; }
.stat-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.stat-divider { width: 1px; height: 32px; background-color: var(--border-subtle); }

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
}

.service-card {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.service-icon-box {
    width: 40px;
    height: 40px;
    border-radius: 7px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--blue-dim);
    border: 1px solid rgba(56, 189, 248, 0.25);
    color: var(--blue);
    font-size: 1.15rem;
}

.service-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.service-desc {
    font-size: 0.86rem;
    color: var(--text-body);
    line-height: 1.55;
    margin-bottom: 1rem;
}

.service-feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: #cbd5e1;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--blue);
}

/* Products Tabbed Showcase */
.tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.65rem 1.15rem;
    font-weight: 600;
    font-size: 0.86rem;
    color: var(--text-muted);
    background-color: #0f172a;
    border: 1px solid #1e293b;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.tab-btn:hover, .tab-btn.active {
    background-color: #1e293b;
    border-color: var(--blue);
    color: #ffffff;
}

.product-tab-pane {
    display: none;
    padding: 2.25rem;
}

.product-tab-pane.active {
    display: block;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.product-showcase-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 2.5rem;
    align-items: center;
}

.product-category-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--amber);
    margin-bottom: 0.35rem;
}

.product-title {
    font-family: var(--font-heading);
    font-size: 1.55rem;
    font-weight: 800;
    color: #ffffff;
}

.product-desc {
    font-size: 0.88rem;
    color: var(--text-body);
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.checklist-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.check-item {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.8rem;
    color: #e2e8f0;
}

/* Tech Stack Grid */
.tech-stack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
}

.tech-category-card { padding: 1.5rem; }
.tech-cat-header { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1rem; }
.tech-cat-header h3 { font-family: var(--font-heading); font-size: 1rem; font-weight: 700; color: #ffffff; }
.tech-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.tech-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 600;
    background-color: #0b0f19;
    border: 1px solid #1e293b;
    border-radius: 4px;
    color: #cbd5e1;
}

/* Estimator Banner */
.estimator-banner-card { padding: 2.5rem; }
.banner-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 2.5rem; align-items: center; }
.banner-highlights .hl-item { display: flex; align-items: center; gap: 0.35rem; font-size: 0.78rem; font-weight: 600; color: #e2e8f0; }

.badge-whatsapp-direct {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--emerald);
    padding: 0.35rem 0.7rem;
    background-color: var(--emerald-dim);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: var(--radius-full);
}

/* Case Studies */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.25rem;
}

.case-study-card { padding: 1.5rem; display: flex; flex-direction: column; justify-content: space-between; }
.case-category { font-size: 0.68rem; font-weight: 700; text-transform: uppercase; color: var(--blue); }
.case-title { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 700; color: #ffffff; }
.case-title a:hover { color: var(--blue); }
.case-problem-box, .case-solution-box { background-color: #080d1a; border: 1px solid #1e293b; border-radius: var(--radius-sm); padding: 0.65rem 0.8rem; }
.case-metrics-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.4rem; text-align: center; }
.metric-box { background-color: rgba(34, 197, 94, 0.06); border: 1px solid rgba(34, 197, 94, 0.2); border-radius: 4px; padding: 0.35rem; }
.metric-value { font-family: var(--font-heading); font-size: 0.92rem; font-weight: 800; display: block; }
.metric-title { font-size: 0.6rem; color: var(--text-muted); display: block; }

.case-link {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: #1e293b;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue);
    font-size: 0.75rem;
}

.case-link:hover { background-color: var(--blue); color: #080c16; }

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.testimonial-card { padding: 1.5rem; }
.testimonial-feedback { font-size: 0.86rem; color: #e2e8f0; font-style: italic; line-height: 1.6; }
.author-avatar-badge { width: 32px; height: 32px; border-radius: 50%; background-color: var(--blue-dim); display: flex; align-items: center; justify-content: center; }

/* Contact Strip */
.contact-strip-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 2.5rem;
    align-items: center;
}

/* ==========================================================
 * EXPLICIT HIGH-CONTRAST FORM & SELECT STYLING
 * ========================================================== */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: #ffffff;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.88rem;
    background-color: var(--bg-input) !important;
    border: 1px solid var(--border-input) !important;
    border-radius: var(--radius-sm);
    color: #ffffff !important;
    outline: none;
    transition: border-color 0.15s ease;
}

.form-control:focus {
    border-color: var(--border-focus) !important;
    background-color: #0f172a !important;
}

select.form-control, select.select-dark {
    background-color: #0f172a !important;
    color: #ffffff !important;
    border: 1px solid #334155 !important;
    cursor: pointer;
}

select.form-control option, select.select-dark option {
    background-color: #0f172a !important;
    color: #ffffff !important;
    padding: 10px;
}

.grid-inputs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(3, 7, 18, 0.88);
    backdrop-filter: blur(8px);
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
}

.modal-card {
    width: 100%;
    max-width: 620px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 1.75rem;
    background-color: #0f172a;
    border: 1px solid #1e293b;
    border-radius: var(--radius-md);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.8);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 0.85rem;
    margin-bottom: 1.15rem;
    border-bottom: 1px solid #1e293b;
}

.modal-title { font-family: var(--font-heading); font-size: 1.2rem; font-weight: 700; color: #ffffff; }
.modal-subtitle { font-size: 0.76rem; color: var(--text-muted); }
.modal-close-btn { background: none; border: none; color: var(--text-muted); font-size: 1.2rem; cursor: pointer; }
.modal-close-btn:hover { color: #ffffff; }

.modal-icon-badge {
    width: 36px; height: 36px; border-radius: 7px;
    background-color: var(--blue-dim);
    display: flex; align-items: center; justify-content: center;
}

/* Calculator Grid Options */
.section-label { font-size: 0.82rem; font-weight: 700; color: #ffffff; margin-bottom: 0.5rem; display: block; }
.grid-options { display: grid; gap: 0.5rem; }
.platform-grid, .features-grid { grid-template-columns: repeat(2, 1fr); }
.timeline-grid { grid-template-columns: repeat(3, 1fr); }

.option-card, .checkbox-card {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.6rem 0.8rem;
    background-color: #080d1a;
    border: 1px solid #1e293b;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    color: #cbd5e1;
    cursor: pointer;
}

.option-card:hover, .checkbox-card:hover {
    background-color: #131d33;
    color: #ffffff;
}

.option-card.active, .checkbox-card:has(input:checked) {
    border-color: var(--blue);
    background-color: #101c38;
    color: #ffffff;
    font-weight: 600;
}

.estimate-result-box {
    background-color: #080d1a;
    border: 1px solid rgba(56, 189, 248, 0.25);
    border-radius: var(--radius-sm);
    padding: 1rem;
    margin: 1.15rem 0;
}

.result-price { font-family: var(--font-heading); font-size: 1.25rem; font-weight: 800; color: var(--amber); }

/* Chatbot Widget */
.chatbot-wrapper {
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 2500;
}

.chatbot-trigger-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background-color: var(--blue);
    border: none;
    color: #080c16;
    font-size: 1.3rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(56, 189, 248, 0.35);
    transition: transform 0.15s ease;
}

.chatbot-trigger-btn:hover { transform: scale(1.05); }

.chatbot-window {
    position: absolute;
    bottom: 65px;
    right: 0;
    width: 350px;
    height: 460px;
    display: flex;
    flex-direction: column;
    background-color: #0f172a;
    border: 1px solid #1e293b;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.75);
}

.chatbot-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.8rem 1rem;
    background-color: #080d1a;
    border-bottom: 1px solid #1e293b;
}

.bot-info { display: flex; align-items: center; gap: 0.55rem; }
.bot-avatar {
    position: relative;
    width: 30px; height: 30px; border-radius: 50%;
    background-color: var(--blue-dim);
    display: flex; align-items: center; justify-content: center;
    color: var(--blue);
}

.online-indicator {
    position: absolute; bottom: 0; right: 0;
    width: 7px; height: 7px; border-radius: 50%;
    background-color: var(--emerald); border: 1.5px solid #080d1a;
}

.bot-name { font-size: 0.82rem; font-weight: 700; color: #ffffff; }
.bot-status { font-size: 0.65rem; color: var(--emerald); }

.chatbot-messages {
    flex: 1;
    padding: 0.9rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    background-color: #080d1a;
}

.chat-msg { display: flex; max-width: 85%; }
.bot-msg { align-self: flex-start; }
.user-msg { align-self: flex-end; }

.msg-bubble {
    padding: 0.6rem 0.8rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    line-height: 1.45;
}

.bot-msg .msg-bubble {
    background-color: #1e293b;
    border: 1px solid #334155;
    color: #f1f5f9;
}

.user-msg .msg-bubble {
    background-color: var(--blue);
    color: #080c16;
    font-weight: 600;
}

.chatbot-quick-chips {
    padding: 0.45rem 0.75rem;
    display: flex;
    gap: 0.35rem;
    overflow-x: auto;
    border-top: 1px solid #1e293b;
    background-color: #0b0f19;
}

.chatbot-quick-chips .chip {
    white-space: nowrap;
    font-size: 0.68rem;
    padding: 0.25rem 0.55rem;
    background-color: #1e293b;
    border: 1px solid #334155;
    border-radius: 4px;
    color: #cbd5e1;
    cursor: pointer;
}

.chatbot-quick-chips .chip:hover {
    background-color: #334155;
    color: #ffffff;
}

.chatbot-input-bar {
    display: flex;
    align-items: center;
    padding: 0.5rem 0.8rem;
    background-color: #0b0f19;
    border-top: 1px solid #1e293b;
}

.chatbot-input-bar input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: #ffffff;
    font-size: 0.8rem;
}

.btn-send {
    background: none;
    border: none;
    color: var(--blue);
    font-size: 0.95rem;
    cursor: pointer;
}

/* Mobile Fixed Floating Bar */
.mobile-floating-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100vw;
    height: 52px;
    background-color: #080d1a;
    border-top: 1px solid #1e293b;
    z-index: 2400;
    grid-template-columns: 1fr 1fr 1fr;
}

.float-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    font-size: 0.68rem;
    font-weight: 700;
    border: none;
    background: none;
}

.float-whatsapp { color: var(--emerald); }
.float-call { color: var(--blue); border-left: 1px solid #1e293b; border-right: 1px solid #1e293b; }
.float-estimate { color: var(--orange); }

/* Footer */
.site-footer {
    background-color: #02040a;
    border-top: 1px solid var(--border-subtle);
    padding-top: 3.5rem;
    padding-bottom: 1.5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.footer-bio { font-size: 0.82rem; color: var(--text-muted); line-height: 1.6; margin: 0.8rem 0 1rem; }
.footer-social-links { display: flex; gap: 0.4rem; }
.footer-social-links a { width: 30px; height: 30px; border-radius: 5px; background-color: #0f172a; border: 1px solid #1e293b; display: flex; align-items: center; justify-content: center; color: #cbd5e1; font-size: 0.8rem; }
.footer-social-links a:hover { background-color: var(--blue); color: #080c16; }

.footer-heading { font-family: var(--font-heading); font-size: 0.9rem; font-weight: 700; color: #ffffff; margin-bottom: 1rem; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.footer-links a { font-size: 0.82rem; color: var(--text-muted); }
.footer-links a:hover { color: #ffffff; }

.footer-contact-items { display: flex; flex-direction: column; gap: 0.65rem; font-size: 0.82rem; color: var(--text-muted); }
.contact-item { display: flex; align-items: flex-start; gap: 0.5rem; }

.footer-bottom {
    padding-top: 1.25rem;
    border-top: 1px solid #1e293b;
    font-size: 0.75rem;
    color: var(--text-dim);
}

/* Responsive Media Queries */
@media (max-width: 991px) {
    .desktop-nav { display: none; }
    .mobile-toggle-btn { display: flex; }
    .hero-heading { font-size: 2.2rem; }
    .hero-stats-row { grid-template-columns: 1fr 1fr; gap: 1rem; }
    .stat-divider { display: none; }
    .product-showcase-grid { grid-template-columns: 1fr; }
    .banner-grid, .contact-strip-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hide-on-mobile { display: none !important; }
}

@media (max-width: 767px) {
    .hero-heading { font-size: 1.85rem; }
    .hero-cta-group { flex-direction: column; }
    .hero-cta-group button, .hero-cta-group a { width: 100%; text-align: center; }
    .hero-stats-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .mobile-floating-bar { display: grid; }
    body { padding-bottom: 52px; }
    .chatbot-wrapper { bottom: 60px; right: 15px; }
    .chatbot-window { width: 92vw; right: -5px; height: 400px; }
    .grid-inputs, .platform-grid, .features-grid, .timeline-grid, .checklist-grid { grid-template-columns: 1fr; }
}