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

:root {
    /* Color Palette - Blue Theme */
    --primary-blue: #1e3a7a;
    --secondary-blue: #2563eb;
    --accent-blue: #3b82f6;
    --dark-blue: #1e40af;
    --text-white: #ffffff;
    --text-dark: #1e293b;
    --text-gray: #64748b;
    --bg-white: #ffffff;
    --bg-light: #f5f7fb;
    --card-border: rgba(148, 163, 184, 0.2);
    --shadow-color: rgba(0, 0, 0, 0.1);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Width */
    --max-width-image: 500px;
}

html {
    scroll-behavior: smooth;
}

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

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

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--card-border);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    /* font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: transform 0.3s ease; */

    display: flex;
    align-items: flex-end;

}

.logo img {
    height: 25px;
    width: auto;
}

/* .logo:hover {
    transform: scale(1.05);
} */

.nav-menu {
    display: flex;
    list-style: none;
    /* gap: var(--spacing-md); */
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-size: clamp(1rem, 0.8vw, 1.125rem);
    font-weight: 500;
    letter-spacing: 0.05em;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 6px;
    transition: all 0.3s ease;
    position: relative;
    white-space: nowrap;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--secondary-blue);
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--secondary-blue);
}

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

/* Language Switcher */
.language-switcher {
    display: flex;
    align-items: center;
    margin-left: var(--spacing-md);
    gap: 8px;
}

.lang-btn {
    background: none;
    border: none;
    font-family: var(--font-family);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-gray);
    cursor: pointer;
    padding: 4px;
    transition: color 0.3s ease;
}

.lang-btn:hover,
.lang-btn.active {
    color: var(--primary-blue);
    font-weight: 700;
}

.lang-divider {
    color: var(--card-border);
    font-size: 0.875rem;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(0px, 11px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(0px, -11px);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
    background-image: url('images/building-bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(rgba(0, 41, 82, 0.6), rgba(0, 41, 82, 0.8));
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    animation: fadeInUp 1s ease;
}

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

.hero-title {
    word-break: keep-all;
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--text-white);
    letter-spacing: 0.02em;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.5rem);
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-lg);
}

/* Scroll Indicator */
.scroll-indicator {
    margin-top: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.scroll-indicator span {
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.scroll-arrow {
    font-size: 2rem;
    color: var(--text-white);
    animation: bounce 2s infinite;
    cursor: pointer;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(15px);
    }
}

/* ========================================
   Section Styles
   ======================================== */
section {
    padding: var(--spacing-xl) 0;
    position: relative;
    min-height: 100vh;
}

.section-title {
    font-size: clamp(2rem, 5vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    color: var(--primary-blue);
    letter-spacing: 0.05em;
}

.section-image-container {
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    text-align: center;
}

.section-image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

/* About Section */
.about {
    background: var(--bg-white);
}

.about-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.about-intro-text {
    text-align: left;
}

.about-intro-text .about-subtitle {
    text-align: left;
}

.about-intro-text p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-dark);
}

.about-intro-image {
    max-width: var(--max-width-image);
    margin: 0 auto;
}

.about-intro-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

/* Legacy about-intro styles */
.about-intro {
    max-width: 900px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
}

.about-subtitle {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.about-intro p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-dark);
}

.about-why-us {
    margin-top: var(--spacing-lg);
}

.about-why-us .about-subtitle {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.competency-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.competency-card {
    background: var(--bg-light);
    border-radius: 16px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--card-border);
}

.competency-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(37, 99, 235, 0.15);
    border-color: var(--secondary-blue);
}

.competency-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.competency-card h4 {
    font-size: 1.25rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.competency-card p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-gray);
}

/* Legacy styles for backward compatibility */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-text h3 {
    font-size: 1.75rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.about-text p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.about-text strong {
    color: var(--primary-blue);
}

.core-competency {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: 8px;
    border-left: 4px solid var(--secondary-blue);
    transition: all 0.3s ease;
}

.core-competency:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
}

.core-competency h4 {
    font-size: 1.25rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.core-competency p {
    margin-bottom: 0;
    color: var(--text-gray);
}

.about-image {
    width: 100%;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

/* Processing Services */
.processing {
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.service-card {
    background: var(--bg-white);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px var(--shadow-color);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--secondary-blue);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
    border-color: var(--accent-blue);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

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

/* Payment Services */
.payment {
    background: var(--bg-light);
}

.payment-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.payment-intro {
    max-width: 800px;
    margin: 0;
    text-align: left;
}

.payment-intro p {
    font-size: 1.125rem;
    color: var(--text-gray);
    margin-bottom: var(--spacing-sm);
}

.payment-intro-image {
    max-width: var(--max-width-image);
    margin: 0 auto;
}

.payment-intro-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.payment-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.payment-card {
    background: var(--bg-white);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px var(--shadow-color);
}

.payment-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(37, 99, 235, 0.2);
    border-color: var(--secondary-blue);
}

.payment-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-blue);
}

.card-providers {
    color: var(--text-dark);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.card-details {
    color: var(--text-gray);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.card-rate {
    color: var(--accent-blue);
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: var(--spacing-sm);
}

/* SW Development Section */
.sw {
    background: var(--bg-white);
}

.sw-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.sw-intro {
    max-width: 800px;
    margin: 0;
    text-align: left;
}

.sw-intro p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-gray);
}

.sw-intro-image {
    max-width: var(--max-width-image);
    margin: 0 auto;
}

.sw-intro-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.sw-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.sw-card {
    background: var(--bg-light);
    border-radius: 16px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--card-border);
    box-shadow: 0 2px 8px var(--shadow-color);
}

.sw-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(37, 99, 235, 0.15);
    border-color: var(--secondary-blue);
}

.sw-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.sw-card h4 {
    font-size: 1.25rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.sw-card p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-gray);
}

/* SI Services Section */
.si {
    background: var(--bg-light);
}

.section-subtitle {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 600;
    text-align: center;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.si-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.si-intro {
    max-width: 800px;
    margin: 0;
    text-align: left;
}

.si-intro .section-subtitle {
    text-align: left;
}

.si-intro p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-gray);
}

.si-intro-image {
    max-width: var(--max-width-image);
    margin: 0 auto;
}

.si-intro-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.si-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.si-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--card-border);
    box-shadow: 0 2px 8px var(--shadow-color);
}

.si-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(37, 99, 235, 0.15);
    border-color: var(--secondary-blue);
}

.si-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.si-card h4 {
    font-size: 1.25rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.si-card p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-gray);
}

/* More Section */
.more {
    background: var(--bg-white);
}

.more-content {
    max-width: 800px;
    margin: 0 auto;
}

.more-card {
    background: var(--bg-white);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: var(--spacing-lg);
    box-shadow: 0 2px 8px var(--shadow-color);
}

.more-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.more-card ul {
    list-style: none;
}

.more-card li {
    padding: var(--spacing-sm) 0;
    color: var(--text-gray);
    position: relative;
    padding-left: var(--spacing-md);
}

.more-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-blue);
    font-weight: bold;
}

/* Contact Section */
.contact {
    background: var(--bg-light);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    padding-right: var(--spacing-md);
}

.info-group {
    margin-bottom: var(--spacing-lg);
}

.info-group h3 {
    font-size: 1.25rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.info-group p {
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}

.info-group a {
    color: var(--secondary-blue);
    text-decoration: underline;
    font-weight: 600;
}

.info-note {
    font-style: italic;
    color: var(--text-gray) !important;
    margin-top: var(--spacing-xs);
}

/* Contact Form */
.contact-form-wrapper {
    /* background: var(--bg-white); */
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-family: var(--font-family);
    font-size: 1rem;
    color: var(--text-dark);
    background: var(--bg-white);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.btn-submit {
    background: var(--primary-blue);
    color: var(--text-white);
    padding: 14px 28px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
    width: 100%;
}

.btn-submit:hover {
    background: var(--secondary-blue);
}

/* Footer */
.footer {
    background: var(--primary-blue);
    padding: var(--spacing-md) 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    margin-bottom: var(--spacing-sm);
}

.footer-logo img {
    height: 80px;
    width: auto;
}

.footer p {
    color: var(--text-white);
    font-size: 0.875rem;
}

/* ========================================
   Mobile Responsive
   ======================================== */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        transform: translateY(-120%);
        transition: transform 0.3s ease;
        border-bottom: 1px solid var(--card-border);
        box-shadow: 0 4px 12px var(--shadow-color);
    }

    .nav-link {
        font-size: 1.25rem;
    }

    .language-switcher {
        margin-left: auto;
        margin-right: var(--spacing-md);
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero {
        min-height: 100vh;
    }

    .hero-title {
        word-break: keep-all;
        line-height: 1.3;
    }
        
    section {
        padding: var(--spacing-lg) 0;
    }
    
    .about-grid,
    .about-intro-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .about-intro-text {
        text-align: center;
    }

    .about-intro-text .about-subtitle {
        text-align: center;
    }

    .competency-grid {
        grid-template-columns: 1fr;
    }

    .payment-intro-grid {
        grid-template-columns: 1fr;
    }

    .payment-intro {
        text-align: center;
    }

    .sw-intro-grid {
        grid-template-columns: 1fr;
    }

    .sw-intro {
        text-align: center;
    }

    .si-intro-grid {
        grid-template-columns: 1fr;
    }

    .si-intro {
        text-align: center;
    }

    .si-intro .section-subtitle {
        text-align: center;
    }
    
    .services-grid,
    .payment-cards,
    .sw-cards,
    .si-cards {
        grid-template-columns: 1fr;
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .contact-info {
        padding-right: 0;
        text-align: center;
    }
}

/* ========================================
   Utility Classes
   ======================================== */
.text-gradient {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   Scroll to Top Button
   ======================================== */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-blue);
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.scroll-top-btn.show {
    opacity: 1;
    pointer-events: auto;
}

.scroll-top-btn:hover {
    background-color: var(--secondary-blue);
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}