/* ==========================================================================
   CAPATRANS PRIVATE LIMITED — ENTERPRISE INDUSTRIAL DESIGN SYSTEM
   Corporate Palette:
   - Deep Industrial Navy: #0E2A47
   - Tech Blue: #0080FF
   - Crisp White: #FFFFFF
   ========================================================================== */

:root {
    --color-navy: #0E2A47;
    --color-navy-dark: #071727;
    --color-navy-light: #163C64;
    --color-blue: #0080FF;
    --color-blue-hover: #0066CC;
    --color-white: #FFFFFF;
    --color-slate-bg: #F5F8FA;
    --color-slate-surface: #FFFFFF;
    --color-slate-border: #D8E2EC;
    --color-text-main: #0E2A47;
    --color-text-muted: #4F657D;
    --color-text-subtle: #7E93A7;
    --color-green: #00A86B;
    
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    
    --container-max: 1240px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-subtle: 0 2px 6px rgba(14, 42, 71, 0.05);
    --shadow-card: 0 4px 16px rgba(14, 42, 71, 0.08);
    --shadow-hover: 0 8px 24px rgba(0, 128, 255, 0.14);
    --transition-standard: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Logo Styling for Header & Footer */
/* --- HEADER BRAND & LOGO SIZING --- */
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 76px;
    position: relative;
}

.brand-logo {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    height: 100%;
    padding: 6px 0;
    flex-shrink: 0;
}

.brand-logo-img {
    height: 52px;
    max-height: 52px;
    width: auto;
    max-width: 220px;
    object-fit: contain;
    display: block;
}

/* Ensure Nav Items Don't Collide */
.primary-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-left: auto;
}

/* --- FOOTER LOGO SIZING --- */
.footer-logo-wrap {
    margin-bottom: 1.25rem;
    display: inline-block;
}

.footer-logo-img {
    height: 48px;
    max-height: 48px;
    width: auto;
    max-width: 210px;
    object-fit: contain;
    display: block;
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.45));
}

/* Mobile viewport adjustments */
@media (max-width: 768px) {
    .nav-container {
        height: 64px;
    }
    
    .brand-logo-img {
        height: 40px;
        max-height: 40px;
        max-width: 170px;
    }

    .footer-logo-img {
        height: 42px;
    }
}
/* Quick Specs in Hero Section */
.hero-quick-specs {
    margin-top: 2rem;
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.spec-item {
    font-size: 0.85rem;
    color: #C7D9EB;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 500;
}

/* App Development Service Highlights */
.client-highlight-section {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-slate-border);
}

.app-service-card {
    border-top: 4px solid var(--color-blue);
    display: flex;
    flex-direction: column;
}

.app-service-card .leader-bullets {
    margin-top: 1rem;
    flex-grow: 1;
}

/* Ensure mobile header preserves logo layout */
@media (max-width: 768px) {
    .brand-logo-img {
        height: 38px;
    }
    .hero-quick-specs {
        flex-direction: column;
        gap: 0.6rem;
    }
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-stack);
    background-color: var(--color-slate-bg);
    color: var(--color-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Typography Defaults */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-navy);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 0.75rem;
}

h1 { font-size: clamp(2.2rem, 4vw, 3.4rem); }
h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.15rem; }

p {
    margin-bottom: 1.1rem;
    color: var(--color-text-muted);
}

a {
    color: var(--color-blue);
    text-decoration: none;
    transition: var(--transition-standard);
}
a:hover { color: var(--color-blue-hover); }

ul { list-style: none; }

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Container Structure */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Icons */
.icon {
    width: 24px;
    height: 24px;
    display: inline-block;
    vertical-align: middle;
}
.icon-sm { width: 16px; height: 16px; }
.icon-lg { width: 40px; height: 40px; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.6rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-standard);
    text-align: center;
}

.btn-primary {
    background-color: var(--color-blue);
    color: var(--color-white);
}
.btn-primary:hover {
    background-color: var(--color-blue-hover);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 128, 255, 0.3);
}

.btn-navy {
    background-color: var(--color-navy);
    color: var(--color-white);
}
.btn-navy:hover {
    background-color: var(--color-navy-dark);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-outline {
    border-color: var(--color-navy);
    color: var(--color-navy);
    background-color: transparent;
}
.btn-outline:hover {
    background-color: var(--color-navy);
    color: var(--color-white);
}

.btn-outline-light {
    border-color: var(--color-slate-border);
    color: var(--color-white);
    background-color: transparent;
}
.btn-outline-light:hover {
    background-color: var(--color-blue);
    border-color: var(--color-blue);
    color: var(--color-white);
}

.btn-sm {
    padding: 0.45rem 0.9rem;
    font-size: 0.85rem;
}

/* Top Utility Bar */
.top-bar {
    background-color: var(--color-navy-dark);
    color: #9FB3C8;
    font-size: 0.78rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.4rem 0;
}
.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.top-bar-credentials {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}
.badge-statutory {
    background: rgba(255, 255, 255, 0.08);
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm);
    letter-spacing: 0.02em;
}
.top-bar-contact {
    display: flex;
    gap: 1.2rem;
}
.top-bar-contact a {
    color: #C2D3E5;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}
.top-bar-contact a:hover { color: var(--color-blue); }

/* Main Sticky Navigation */
.site-header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-slate-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition-standard);
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 76px;
}
.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
}
.brand-symbol {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--color-navy), var(--color-blue));
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.4rem;
    border-radius: var(--radius-sm);
    box-shadow: 0 2px 8px rgba(0, 128, 255, 0.3);
}
.brand-title {
    display: block;
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: var(--color-navy);
    line-height: 1;
}
.brand-sub {
    display: block;
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    color: var(--color-text-muted);
    font-weight: 600;
    margin-top: 3px;
}
.primary-nav {
    display: flex;
    align-items: center;
    gap: 1.8rem;
}
.nav-list {
    display: flex;
    align-items: center;
    gap: 1.4rem;
}
.nav-link {
    color: var(--color-navy);
    font-weight: 600;
    font-size: 0.92rem;
    position: relative;
    padding: 0.4rem 0;
}
.nav-link:hover, .nav-link.active {
    color: var(--color-blue);
}
.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-blue);
}
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}
.hamburger-bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px 0;
    background-color: var(--color-navy);
    transition: var(--transition-standard);
}

/* Sections */
.section {
    padding: 5rem 0;
}
.section-dark {
    background-color: var(--color-navy);
    color: var(--color-white);
}
.section-dark h2, .section-dark h3, .section-dark h4 {
    color: var(--color-white);
}
.section-dark p {
    color: #B5C9DE;
}
.section-heading-wrap {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3.5rem auto;
}
.section-kicker {
    display: inline-block;
    color: var(--color-blue);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

/* Hero Section */
.hero-section {
    background: radial-gradient(circle at 85% 20%, #173B63 0%, var(--color-navy) 60%, var(--color-navy-dark) 100%);
    color: var(--color-white);
    padding: 6rem 0 7rem 0;
    position: relative;
    overflow: hidden;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3.5rem;
    align-items: center;
}
.hero-headline {
    color: var(--color-white);
    margin-bottom: 1.5rem;
    letter-spacing: -0.01em;
}
.hero-sub {
    font-size: 1.18rem;
    line-height: 1.65;
    color: #C7D9EB;
    margin-bottom: 2rem;
}
.hero-cta-group {
    display: flex;
    gap: 1.2rem;
    flex-wrap: wrap;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 128, 255, 0.15);
    border: 1px solid rgba(0, 128, 255, 0.4);
    color: #92CCFF;
    padding: 0.4rem 0.9rem;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}
.pulse-indicator {
    width: 8px;
    height: 8px;
    background-color: #00FF88;
    border-radius: 50%;
    box-shadow: 0 0 8px #00FF88;
}

/* Hero Telemetry Card (CSS Technical Diagram) */
.hero-visual-card {
    background: rgba(14, 42, 71, 0.85);
    border: 1px solid rgba(0, 128, 255, 0.35);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
}
.telemetry-header {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 0.8rem;
    margin-bottom: 1.2rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: #7DA5CC;
}
.telemetry-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.9rem;
    font-size: 0.9rem;
}
.telemetry-metric {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--color-white);
}

/* Dual Core Operational Pillars */
.pillars-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}
.pillar-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-slate-border);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    position: relative;
    border-top: 4px solid var(--color-navy);
}
.pillar-card.pillar-education {
    border-top-color: var(--color-blue);
}
.pillar-header {
    margin-bottom: 1.8rem;
}
.pillar-badge {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
    display: inline-block;
    margin-bottom: 0.75rem;
}
.badge-industrial { background: #E6F0FA; color: var(--color-navy); }
.badge-academic { background: #E5F3FF; color: var(--color-blue); }

.pillar-items {
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    flex-grow: 1;
}
.pillar-item {
    display: flex;
    gap: 1rem;
}
.pillar-item-icon {
    width: 36px;
    height: 36px;
    background: var(--color-slate-bg);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-blue);
    flex-shrink: 0;
}
.pillar-item-content h4 {
    margin-bottom: 0.25rem;
    font-size: 1.05rem;
}
.pillar-item-content p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* Cards & Responsive Grids */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.card {
    background-color: var(--color-white);
    border: 1px solid var(--color-slate-border);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-subtle);
    transition: var(--transition-standard);
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 128, 255, 0.4);
}
.card-icon-box {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    background-color: #E8F3FF;
    color: var(--color-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

/* Projects Showcase */
.project-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-slate-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-card);
}
.project-card-header {
    background-color: var(--color-navy);
    color: var(--color-white);
    padding: 1.5rem;
}
.project-tag {
    font-size: 0.72rem;
    font-weight: 700;
    color: #7CC0FF;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.project-card-body {
    padding: 1.8rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}
.tech-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin: 1rem 0 1.5rem 0;
}
.tech-tag {
    background-color: var(--color-slate-bg);
    border: 1px solid var(--color-slate-border);
    font-size: 0.75rem;
    font-family: var(--font-mono);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    color: var(--color-navy);
}

/* Digital Ecosystem Cards */
.platform-card {
    border-left: 4px solid var(--color-blue);
}
.platform-domain {
    font-family: var(--font-mono);
    color: var(--color-blue);
    font-weight: 700;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.5rem;
}

/* Engagement Models */
.engagement-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}
.engagement-table th, .engagement-table td {
    padding: 1.25rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--color-slate-border);
}
.engagement-table th {
    background-color: var(--color-navy);
    color: var(--color-white);
    font-weight: 700;
    font-size: 0.9rem;
}
.engagement-table tr:last-child td { border-bottom: none; }

/* Leadership Profiles */
.leader-card {
    background: var(--color-white);
    border: 1px solid var(--color-slate-border);
    border-radius: var(--radius-md);
    padding: 2rem;
}
.leader-meta {
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--color-slate-border);
    padding-bottom: 0.8rem;
}
.leader-title {
    color: var(--color-blue);
    font-weight: 600;
    font-size: 0.9rem;
}
.leader-bullets {
    font-size: 0.9rem;
}
.leader-bullets li {
    position: relative;
    padding-left: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--color-text-muted);
}
.leader-bullets li::before {
    content: "■";
    position: absolute;
    left: 0;
    font-size: 0.6rem;
    color: var(--color-blue);
    top: 4px;
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}
.form-label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-navy);
}
.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-slate-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    background-color: var(--color-white);
    transition: var(--transition-standard);
}
.form-control:focus {
    outline: none;
    border-color: var(--color-blue);
    box-shadow: 0 0 0 3px rgba(0, 128, 255, 0.15);
}

/* Global Footer */
.site-footer {
    background-color: var(--color-navy-dark);
    color: #9FB3C8;
    padding: 5rem 0 0 0;
    border-top: 3px solid var(--color-blue);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 3rem;
    padding-bottom: 4rem;
}
.footer-logo { margin-bottom: 1rem; }
.footer-desc {
    font-size: 0.9rem;
    line-height: 1.6;
    color: #A9BDD1;
    margin-bottom: 1.2rem;
}
.footer-compliance {
    font-size: 0.8rem;
    line-height: 1.5;
    background: rgba(255, 255, 255, 0.04);
    padding: 0.75rem;
    border-radius: var(--radius-sm);
}
.footer-heading {
    color: var(--color-white);
    font-size: 1.05rem;
    margin-bottom: 1.4rem;
    border-bottom: 2px solid rgba(0, 128, 255, 0.4);
    padding-bottom: 0.4rem;
    display: inline-block;
}
.footer-links li { margin-bottom: 0.7rem; }
.footer-links a {
    color: #B5C9DE;
    font-size: 0.9rem;
}
.footer-links a:hover { color: var(--color-white); }
.contact-line {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    font-size: 0.88rem;
    margin-bottom: 0.8rem;
}
.footer-bottom {
    background-color: #040D17;
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 0.82rem;
}
.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}
.footer-bottom-links a {
    color: #7E93A7;
    margin-left: 1.5rem;
}
.footer-bottom-links a:hover { color: var(--color-white); }

/* Utilities */
.text-white { color: var(--color-white) !important; }
.text-blue { color: var(--color-blue) !important; }
.text-subtle { color: var(--color-text-subtle) !important; }
.mt-4 { margin-top: 2rem; }
.mb-4 { margin-bottom: 2rem; }

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
}

@media (max-width: 768px) {
    .top-bar-inner { flex-direction: column; align-items: flex-start; }
    .hero-grid { grid-template-columns: 1fr; }
    .pillars-grid { grid-template-columns: 1fr; }
    .grid-3 { grid-template-columns: 1fr; }
    .grid-2 { grid-template-columns: 1fr; }
    
    .nav-toggle { display: block; }
    .primary-nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-white);
        flex-direction: column;
        align-items: stretch;
        padding: 1.5rem;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        display: none;
    }
    .primary-nav.is-open { display: flex; }
    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 0.8rem;
    }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .footer-bottom-inner { flex-direction: column; align-items: flex-start; }
    .footer-bottom-links a { margin-left: 0; margin-right: 1.2rem; }
}