/* ===================================
   Hallplus.in - Corporate Website Styles
   Dark/Modern Professional Theme
   =================================== */

/* ===================================
   CSS Variables - Design System
   =================================== */
:root {
    /* Color Palette - Dark/Modern Corporate */
    --primary-dark: #0a0e27;
    --secondary-dark: #1a1f3a;
    --accent-gold: #d4af37;
    --accent-blue: #3b82f6;
    --text-light: #ffffff;
    --text-gray: #a0a0a0;
    --text-dark: #2d2d2d;
    --bg-dark: #0f1419;
    --bg-card: #1e2330;
    --border-color: #2d3748;
    --hover-gold: #f0c14b;
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-heading: 'Arial', 'Helvetica', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
    --shadow-gold: 0 0 20px rgba(212, 175, 55, 0.3);
}

/* ===================================
   Reset & Base Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

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

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

ul {
    list-style: none;
}

/* ===================================
   Typography
   =================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--text-light);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--text-light);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--text-light);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-gray);
}

/* ===================================
   Utility Classes
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-blue));
    margin: var(--spacing-sm) auto 0;
    border-radius: var(--radius-sm);
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-gold), var(--hover-gold));
    color: var(--primary-dark);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-gold);
    border: 2px solid var(--accent-gold);
}

.btn-secondary:hover {
    background: var(--accent-gold);
    color: var(--primary-dark);
}

/* ===================================
   Header & Navigation
   =================================== */
.header {
    background: var(--primary-dark);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.header.scrolled {
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo {
    display: flex;
    align-items: center;
    height: 100%;
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
    transition: var(--transition-fast);
}

.logo:hover .logo-img {
    opacity: 0.8;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    color: var(--text-light);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: var(--transition-fast);
    transform: translateX(-50%);
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-gold);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    display: block;
    width: 28px;
    height: 3px;
    background: var(--text-light);
    transition: var(--transition-fast);
    border-radius: var(--radius-sm);
}

/* ===================================
   Hero Section / Slider
   =================================== */
.hero {
    margin-top: 70px;
    position: relative;
    height: 90vh;
    min-height: 600px;
    overflow: hidden;
}

.slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-size: cover;
    background-position: center;
}

.slide.active {
    opacity: 1;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 14, 39, 0.85), rgba(26, 31, 58, 0.75));
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide-content {
    text-align: center;
    max-width: 900px;
    padding: var(--spacing-md);
}

.slide-content h1 {
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.slide-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-light);
}

.slider-nav {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition-fast);
}

.slider-dot.active {
    background: var(--accent-gold);
    transform: scale(1.2);
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(212, 175, 55, 0.3);
    color: var(--text-light);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 50%;
    transition: var(--transition-fast);
    z-index: 10;
    font-size: 1.5rem;
}

.slider-arrow:hover {
    background: var(--accent-gold);
    color: var(--primary-dark);
}

.slider-arrow.prev {
    left: 30px;
}

.slider-arrow.next {
    right: 30px;
}

/* ===================================
   Cards & Grid Systems
   =================================== */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid var(--border-color);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-gold);
}

.card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.card-icon {
    font-size: 3rem;
    color: var(--accent-gold);
    margin-bottom: var(--spacing-sm);
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-light);
}

.card-text {
    color: var(--text-gray);
    line-height: 1.6;
}

/* ===================================
   About Section
   =================================== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-image {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.about-text {
    padding: var(--spacing-md);
}

.about-text h3 {
    color: var(--accent-gold);
    margin-top: var(--spacing-md);
}

/* ===================================
   Services Section
   =================================== */
.services-grid {
    margin-top: var(--spacing-lg);
}

.service-card {
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.1), transparent);
    transition: var(--transition-slow);
}

.service-card:hover::before {
    left: 100%;
}

/* ===================================
   Contact Section
   =================================== */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.contact-info {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--secondary-dark);
    border-radius: var(--radius-md);
}

.contact-icon {
    font-size: 1.5rem;
    color: var(--accent-gold);
    min-width: 30px;
}

.contact-details h4 {
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.contact-details p {
    color: var(--text-gray);
    margin: 0;
}

/* ===================================
   Forms
   =================================== */
.form {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-light);
    font-weight: 500;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 12px 16px;
    background: var(--secondary-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-light);
    font-size: 1rem;
    transition: var(--transition-fast);
    font-family: var(--font-primary);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-file {
    display: block;
    width: 100%;
    padding: 12px 16px;
    background: var(--secondary-dark);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-gray);
    cursor: pointer;
    transition: var(--transition-fast);
}

.form-file:hover {
    border-color: var(--accent-gold);
}

.form-error {
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: none;
}

.form-group.error .form-error {
    display: block;
}

.form-group.error .form-input,
.form-group.error .form-textarea {
    border-color: #ef4444;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--primary-dark);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
    color: var(--accent-gold);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.footer-section p,
.footer-section a {
    color: var(--text-gray);
    margin-bottom: var(--spacing-xs);
    display: block;
}

.footer-section a:hover {
    color: var(--accent-gold);
    padding-left: 5px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--secondary-dark);
    border-radius: 50%;
    color: var(--text-light);
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--accent-gold);
    color: var(--primary-dark);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    color: var(--text-gray);
}

/* ===================================
   Career Job Listing
   =================================== */
.job-listing {
    background: var(--bg-card);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.job-title {
    color: var(--text-light);
    font-size: 1.75rem;
}

.job-badge {
    background: var(--accent-gold);
    color: var(--primary-dark);
    padding: 6px 16px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.875rem;
}

.job-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.job-meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-gray);
}

.job-description {
    margin-top: var(--spacing-sm);
}

.job-description h4 {
    color: var(--accent-gold);
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.job-description ul {
    list-style: disc;
    margin-left: var(--spacing-md);
    color: var(--text-gray);
}

.job-description li {
    margin-bottom: var(--spacing-xs);
}

/* ===================================
   Legal Pages (Privacy/Terms)
   =================================== */
.legal-content {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.legal-content h2 {
    color: var(--accent-gold);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.legal-content h3 {
    color: var(--text-light);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.legal-content p,
.legal-content li {
    color: var(--text-gray);
    margin-bottom: var(--spacing-sm);
}

.legal-content ul {
    list-style: disc;
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 992px) {
    .about-content,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .slider-arrow {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }
    
    .slider-arrow.prev {
        left: 15px;
    }
    
    .slider-arrow.next {
        right: 15px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--primary-dark);
        width: 100%;
        text-align: center;
        transition: var(--transition-normal);
        padding: var(--spacing-md) 0;
        box-shadow: var(--shadow-md);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .hero {
        height: 70vh;
        min-height: 500px;
    }
    
    .slide-content h1 {
        font-size: 2rem;
    }
    
    .slide-content p {
        font-size: 1rem;
    }
    
    .slider-arrow {
        display: none;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
    
    .job-header {
        flex-direction: column;
    }
    
    .job-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

/* ===================================
   Print Styles
   =================================== */
@media print {
    .header,
    .footer,
    .slider-nav,
    .slider-arrow,
    .btn {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
}