/* ==========================================================================
   DG & Sons PVT LTD - Premium Stylesheet
   ========================================================================== */

/* --- Custom Variables & Theme Tokens --- */
:root {
    --primary: #000000;
    --primary-hover: #1d1d1f;
    --primary-light: #f5f5f7;
    --primary-rgb: 0, 0, 0;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f7;
    --bg-tertiary: #f5f5f7;
    --bg-dark: #1d1d1f;
    --bg-dark-card: #000000;
    
    --text-main: #1d1d1f;
    --text-muted: #86868b;
    --text-light: #b6b6b9;
    
    --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
    --font-title: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
    
    --border-color: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 0, 0, 0.15);
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 30px 60px rgba(0, 0, 0, 0.06);
    --shadow-primary: 0 8px 24px rgba(0, 0, 0, 0.15);
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --border-radius-sm: 8px;
    --border-radius-md: 18px;
    --border-radius-lg: 24px;
    --border-radius-full: 9999px;
    
    --header-height: 60px;
}

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

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-main);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    letter-spacing: -0.011em;
}

.container {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 60px;
}

section {
    position: relative;
    overflow: hidden;
}

.section-padding {
    padding: 100px 0;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

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

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

/* --- Custom Scrollbar --- */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 5px;
    border: 2px solid var(--bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* --- Section Headers --- */
.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 60px;
}

.section-title {
    font-family: var(--font-title);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 16px;
    letter-spacing: -0.03em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    font-weight: 400;
}

.section-line {
    width: 60px;
    height: 4px;
    background-color: var(--primary);
    margin: 20px auto 0;
    border-radius: var(--border-radius-full);
}

/* --- Buttons System --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-weight: 500;
    border-radius: var(--border-radius-full);
    cursor: pointer;
    transition: var(--transition-normal);
    gap: 8px;
    border: none;
    outline: none;
    font-size: 0.95rem;
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: scale(1.02);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-secondary);
    border-color: var(--border-hover);
    transform: scale(1.02);
}

.btn-light {
    background-color: #ffffff;
    color: var(--primary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-light:hover {
    background-color: var(--primary-light);
    transform: scale(1.02);
}

.btn-full {
    width: 100%;
}

.btn-text {
    display: inline-flex;
    align-items: center;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.95rem;
    background: none;
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
    padding: 4px 0;
    gap: 6px;
}

.btn-text i {
    transition: var(--transition-fast);
    width: 16px;
    height: 16px;
}

.btn-text:hover {
    color: var(--primary-hover);
}

.btn-text:hover i {
    transform: translateX(4px);
}

/* --- Header & Navigation --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: var(--transition-normal);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    background-color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.85);
    border-color: rgba(0, 0, 0, 0.08);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.02);
    height: 60px;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.logo-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
    border-radius: var(--border-radius-sm);
}

.footer-logo-img {
    height: 36px;
    background-color: #ffffff;
    padding: 3px;
    border-radius: var(--border-radius-sm);
}

.logo-text {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-title {
    font-family: var(--font-title);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.02em;
}

.logo-divider {
    color: var(--border-hover);
    font-size: 1.1rem;
    font-weight: 300;
}

.logo-est {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    background-color: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: var(--border-radius-sm);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
    padding: 6px 0;
    transition: var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
    color: var(--text-main);
}

.nav-link::after {
    display: none;
}

.nav-cta {
    padding: 10px 20px;
    font-size: 0.9rem;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1010;
}

.menu-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-main);
    border-radius: 2px;
    transition: var(--transition-normal);
}

/* --- Mobile Menu Drawer --- */
.mobile-drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background-color: var(--bg-primary);
    box-shadow: var(--shadow-xl);
    z-index: 999;
    padding: 100px 32px 40px;
    display: flex;
    flex-direction: column;
    transition: var(--transition-slow);
}

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

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mobile-nav-link {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-muted);
    padding: 6px 0;
}

.mobile-nav-link:hover {
    color: var(--primary);
    padding-left: 8px;
}

.mobile-cta {
    margin-top: 24px;
}

/* --- Hero Section --- */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at 80% 20%, rgba(0, 0, 0, 0.02) 0%, transparent 50%),
                radial-gradient(circle at 10% 80%, rgba(0, 0, 0, 0.01) 0%, transparent 40%);
    padding-top: calc(var(--header-height) + 40px);
    padding-bottom: 60px;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 60px;
}

.hero-content {
    max-width: 680px;
}

.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--primary-light);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: var(--border-radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.badge-pill i {
    width: 14px;
    height: 14px;
}

.hero-title {
    font-family: var(--font-title);
    font-size: clamp(2.4rem, 6vw, 3.8rem);
    line-height: 1.15;
    font-weight: 800;
    letter-spacing: -0.04em;
    color: var(--text-main);
    margin-bottom: 24px;
}

.hero-title .highlight-text {
    color: var(--primary);
    position: relative;
    display: inline-block;
    font-style: italic;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 580px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 680px;
    aspect-ratio: 4 / 3;
    margin: 0 auto;
}

.image-glow {
    position: absolute;
    top: -5%;
    left: -5%;
    width: 110%;
    height: 110%;
    background: radial-gradient(circle, rgba(0, 0, 0, 0.06) 0%, transparent 60%);
    z-index: -1;
    border-radius: var(--border-radius-lg);
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
}

/* --- Vision & Mission Section --- */
.vision-mission-section {
    background: linear-gradient(180deg, #0a0a0c 0%, #020203 100%);
    color: #ffffff;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.vision-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: center;
}

.vision-intro {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.vision-pretitle {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--text-light);
    text-transform: uppercase;
    margin-bottom: 16px;
    opacity: 0.6;
}

.vision-heading {
    font-family: var(--font-title);
    font-size: clamp(2.2rem, 5vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    color: #ffffff;
}

.highlight-text-light {
    background: linear-gradient(90deg, #ffffff 0%, #a1a1a6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.vision-intro-text {
    font-size: 1.15rem;
    color: #86868b;
    line-height: 1.7;
    max-width: 480px;
}

.vision-cards-stack {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.vision-card {
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.vision-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.18);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 0 40px rgba(255, 255, 255, 0.01);
}

.vision-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.vision-icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.vision-icon {
    width: 22px;
    height: 22px;
}

.vision-card-title {
    font-family: var(--font-title);
    font-size: 1.35rem;
    font-weight: 600;
    color: #ffffff;
}

.vision-card-text {
    color: #86868b;
    font-size: 1rem;
    line-height: 1.6;
}

/* --- Subsidiaries Grid Section --- */
.subsidiaries-section {
    background-color: var(--bg-primary);
}

.subsidiaries-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

@media (min-width: 1025px) {
    .card-wide {
        grid-column: span 2;
        flex-direction: row;
        align-items: center;
        gap: 36px;
    }
    
    .card-wide .sub-card-content {
        flex: 1;
    }
    
    .card-full {
        grid-column: span 3;
    }
}

.sub-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 36px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 24px;
    height: 100%;
    overflow: hidden;
    cursor: pointer;
}

.sub-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Subsidiary Card Themes */
.card-consulting {
    background: linear-gradient(135deg, #f4f7fc 0%, #e9eff8 100%);
    border-color: rgba(0, 80, 200, 0.06);
}
.card-consulting:hover {
    border-color: rgba(0, 80, 200, 0.18);
    box-shadow: 0 20px 40px rgba(0, 80, 200, 0.05);
}

.card-villa {
    background: linear-gradient(135deg, #fdfbf7 0%, #f6ebd5 100%);
    border-color: rgba(180, 140, 60, 0.06);
}
.card-villa:hover {
    border-color: rgba(180, 140, 60, 0.18);
    box-shadow: 0 20px 40px rgba(180, 140, 60, 0.05);
}

.card-education {
    background: linear-gradient(135deg, #faf9f9 0%, #f2ebeb 100%);
    border-color: rgba(120, 40, 40, 0.06);
}
.card-education:hover {
    border-color: rgba(120, 40, 40, 0.18);
    box-shadow: 0 20px 40px rgba(120, 40, 40, 0.05);
}

.card-tours {
    background: linear-gradient(135deg, #f4fafc 0%, #e3f4fc 100%);
    border-color: rgba(0, 150, 200, 0.06);
}
.card-tours:hover {
    border-color: rgba(0, 150, 200, 0.18);
    box-shadow: 0 20px 40px rgba(0, 150, 200, 0.05);
}

.card-foodies {
    background: linear-gradient(135deg, #fffaf6 0%, #ffece0 100%);
    border-color: rgba(220, 100, 40, 0.06);
}
.card-foodies:hover {
    border-color: rgba(220, 100, 40, 0.18);
    box-shadow: 0 20px 40px rgba(220, 100, 40, 0.05);
}

/* Logo Badge Styling */
.sub-logo-badge {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform var(--transition-normal);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.sub-logo-badge img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    mix-blend-mode: multiply;
    border-radius: var(--border-radius-md);
}

.sub-card:hover .sub-logo-badge {
    transform: scale(1.04);
}

.sub-card-content {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    flex-grow: 1;
    width: 100%;
}

.sub-tag-inline {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.sub-tag-inline i {
    width: 14px;
    height: 14px;
}

.sub-card-title {
    font-family: var(--font-title);
    font-size: 1.45rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-main);
    line-height: 1.25;
}

.sub-card-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0;
}

/* Partner Card Styling */
.partner-card {
    background: #000000;
    border: none;
    color: #ffffff;
    overflow: hidden;
    justify-content: center;
    padding: 48px 40px;
}

.partner-bg-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 60%);
    z-index: 1;
    animation: rotateGlow 20s linear infinite;
}

@keyframes rotateGlow {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.partner-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    height: 100%;
}

.partner-title {
    font-family: var(--font-title);
    font-size: 1.65rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
    color: #ffffff;
}

.partner-desc {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 28px;
}

.partner-btn {
    font-size: 0.9rem;
    padding: 12px 24px;
}

/* --- Contact Section --- */
.contact-section {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 60px;
    align-items: start;
}

.contact-title {
    font-family: var(--font-title);
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.contact-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.contact-info-list {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-info-item {
    display: flex;
    gap: 20px;
}

.contact-info-icon {
    width: 50px;
    height: 50px;
    background-color: var(--bg-primary);
    color: var(--primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.contact-info-icon i {
    width: 22px;
    height: 22px;
}

.contact-info-text h4 {
    font-family: var(--font-title);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 6px;
}

.contact-info-text p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

.contact-info-text a:hover {
    color: var(--primary);
}

/* Form Styling */
.form-wrapper {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-main);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-md);
    color: var(--text-main);
    outline: none;
    transition: var(--transition-fast);
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.08);
}

/* Alert Styling */
.alert {
    padding: 16px 20px;
    border-radius: var(--border-radius-md);
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    font-size: 0.95rem;
    line-height: 1.4;
    border: 1px solid transparent;
}

.alert-success {
    background-color: #f0fdf4;
    border-color: #bbf7d0;
    color: #166534;
}

.alert-success i {
    color: #15803d;
}

.alert-error {
    background-color: #fef2f2;
    border-color: #fecaca;
    color: #991b1b;
}

.alert-error i {
    color: #b91c1c;
}

.alert-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.alert-icon i {
    width: 20px;
    height: 20px;
}

/* --- Footer --- */
.footer {
    background-color: var(--bg-dark);
    color: rgba(255, 255, 255, 0.7);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-top {
    padding: 80px 0 60px;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 60px;
}

.footer-brand-col {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #ffffff;
    font-family: var(--font-title);
    font-size: 1.35rem;
    font-weight: 700;
}

.footer-logo .logo-icon {
    background-color: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-desc {
    font-size: 0.95rem;
    line-height: 1.6;
    max-width: 320px;
}

.footer-heading {
    font-family: var(--font-title);
    color: #ffffff;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: #ffffff;
    padding-left: 4px;
}

.footer-bottom {
    padding: 30px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.copyright {
    font-size: 0.875rem;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    width: 36px;
    height: 36px;
    border-radius: var(--border-radius-sm);
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.social-links a:hover {
    background-color: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
    transform: translateY(-2px);
}

.social-links a i {
    width: 16px;
    height: 16px;
}

/* --- Interactive Details Modal --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(11, 15, 25, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal-card {
    background-color: var(--bg-primary);
    width: 100%;
    max-width: 600px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: var(--transition-normal);
    overflow: hidden;
}

.modal-overlay.active .modal-card {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 36px;
    height: 36px;
    border-radius: var(--border-radius-full);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    z-index: 10;
}

.modal-close:hover {
    background-color: var(--border-color);
    color: var(--text-main);
    transform: rotate(90deg);
}

.modal-close i {
    width: 18px;
    height: 18px;
}

.modal-body {
    padding: 48px;
}

.modal-header-section {
    margin-bottom: 24px;
}

.modal-logo-wrapper {
    height: 50px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
}

.modal-logo-img {
    height: 100%;
    width: auto;
    object-fit: contain;
    border-radius: var(--border-radius-sm);
}

.modal-tag {
    display: inline-flex;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
    background-color: var(--primary-light);
    padding: 4px 10px;
    border-radius: var(--border-radius-sm);
}

.modal-title {
    font-family: var(--font-title);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text-main);
}

.modal-content-section {
    margin-bottom: 36px;
}

.modal-description {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 24px;
}

.modal-services-heading {
    font-family: var(--font-title);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 16px;
}

.modal-services-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.modal-services-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.975rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.modal-services-list li::before {
    content: '✓';
    color: var(--primary);
    font-weight: bold;
    flex-shrink: 0;
}

.modal-footer-section {
    display: flex;
    justify-content: flex-end;
}

/* --- Scroll Animation Reveals --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), 
                transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 {
    transition-delay: 0.15s;
}

.delay-2 {
    transition-delay: 0.3s;
}

/* --- Responsive Media Queries --- */

@media (max-width: 1024px) {
    .subsidiaries-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 24px;
    }

    .sub-card {
        padding: 28px 24px;
        gap: 20px;
    }

    .sub-logo-badge {
        width: 70px;
        height: 70px;
    }

    .section-padding {
        padding: 70px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    /* Header menu hamburger */
    .nav-menu, .nav-cta {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    /* Hero layout */
    .hero-section {
        background: radial-gradient(circle at 50% 20%, rgba(0, 0, 0, 0.02) 0%, transparent 50%),
                    radial-gradient(circle at 50% 80%, rgba(0, 0, 0, 0.01) 0%, transparent 40%);
        padding-top: calc(var(--header-height) + 40px);
        padding-bottom: 60px;
        min-height: auto;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-visual {
        max-width: 500px;
        width: 100%;
        margin: 0 auto;
    }
    
    .vision-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    /* Contact layout */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    /* Footer layout */
    .footer {
        margin-top: 50px;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-desc {
        max-width: 100%;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: center;
        gap: 20px;
        text-align: center;
    }
    
    .modal-body {
        padding: 32px;
    }
}

@media (max-width: 600px) {
    .subsidiaries-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .form-wrapper {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .logo-divider, .logo-est {
        display: none;
    }
    .logo-title {
        font-size: 1.1rem;
    }
    .logo-img {
        height: 32px;
    }
    .container {
        padding: 0 16px;
    }
    .sub-card {
        padding: 24px 20px;
        gap: 16px;
    }
    .sub-logo-badge {
        width: 64px;
        height: 64px;
    }
    .partner-card {
        padding: 32px 24px;
    }
    .modal-logo-wrapper {
        height: 36px;
        margin-bottom: 12px;
    }
    .modal-body {
        padding: 24px;
    }
}