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

:root {
    /* Color Palette */
    --primary-color: #2C5F5D;
    --primary-dark: #1E4544;
    --primary-light: #3D7876;
    --secondary-color: #4A8886;
    --accent-color: #5BA199;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-light: #9CA3AF;
    --background: #F9FAFB;
    --background-secondary: #FFFFFF;
    --background-tertiary: #F3F4F6;
    --border-color: #E5E7EB;
    --success-color: #10B981;
    --error-color: #EF4444;
    
    /* Typography */
    --font-primary: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Figtree', var(--font-primary);
    
    /* Spacing */
    --container-max-width: 1400px;
    --section-padding: 100px;
    --section-padding-mobile: 60px;
    
    /* Transitions */
    --transition-speed: 0.3s;
    --transition-ease: cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
    overflow-x: hidden;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 16px;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-speed) var(--transition-ease);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-brand .logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-link {
    position: relative;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-speed) var(--transition-ease);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-speed) var(--transition-ease);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-speed) var(--transition-ease);
}

.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(7px, -7px);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 60px 0;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #FFFFFF;
}

.grid-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
    padding-top: 100px;
}

.hero-content {
    max-width: 700px;
    text-align: left;
    animation: fadeInUp 1s var(--transition-ease);
    padding: 0 12px;
}

.hero-images {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 520px;
}

.hero-image-grid img {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-speed) var(--transition-ease);
}

.hero-image-grid img:hover {
    transform: scale(1.03);
}

.hero-image-grid img:first-child {
    grid-column: 1 / -1;
    height: 240px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: var(--background-tertiary);
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

/* Hero Title */
.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(34px, 6vw, 56px);
    font-weight: 800;
    line-height: 1.05;
    color: var(--text-primary);
    margin: 18px 0 20px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(15px, 2.5vw, 17px);
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: flex-start;
    margin-bottom: 50px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all var(--transition-speed) var(--transition-ease);
    cursor: pointer;
    border: none;
    font-family: var(--font-primary);
}

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

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

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

.btn-secondary:hover {
    background: var(--background-tertiary);
    border-color: var(--primary-color);
}

.hero-stats {
    display: flex;
    justify-content: flex-start;
    gap: 44px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: left;
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-light);
    font-weight: 400;
    text-transform: capitalize;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    z-index: 2;
}

.scroll-arrow {
    width: 24px;
    height: 40px;
    border: 2px solid var(--primary-color);
    border-radius: 20px;
    position: relative;
}

.scroll-arrow::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 2px;
    animation: scrollDown 2s infinite;
}

/* ========================================
   Section Styles
   ======================================== */
.section {
    padding: var(--section-padding) 0;
    background: var(--background);
}

.section-header {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 60px;
}

.section-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-light);
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(28px, 5vw, 40px);
    font-weight: 800;
    line-height: 1.3;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-description {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 650px;
    margin: 0 auto;
}

/* ========================================
   About Section
   ======================================== */
.about-section {
    background: var(--background-secondary);
}

.about-content {
    max-width: 1100px;
    margin: 0 auto;
}

.about-text h3 {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.about-text p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.about-story,
.about-vision {
    margin-bottom: 48px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-top: 24px;
}

.value-card {
    background: var(--background);
    padding: 28px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: none;
    transition: all var(--transition-speed) var(--transition-ease);
}

.value-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.value-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: white;
    border-radius: 10px;
    margin-bottom: 16px;
}

.value-card h4 {
    font-family: var(--font-heading);
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.value-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* ========================================
   Services Section
   ======================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
}

.service-card {
    position: relative;
    background: var(--background-secondary);
    padding: 36px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed) var(--transition-ease);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-card.featured {
    background: var(--primary-color);
    color: white;
    border: none;
}

.service-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    color: white;
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--background-tertiary);
    color: var(--primary-color);
    border-radius: 10px;
    margin-bottom: 20px;
    transition: all var(--transition-speed) var(--transition-ease);
}

.service-card.featured .service-icon {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.service-card:hover .service-icon {
    transform: scale(1.08);
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 14px;
}

.service-card.featured h3 {
    color: white;
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
    font-size: 15px;
}

.service-card.featured p {
    color: rgba(255, 255, 255, 0.9);
}

.service-features {
    list-style: none;
    padding: 0;
}

.service-features li {
    position: relative;
    padding-left: 24px;
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-size: 14px;
}

.service-card.featured .service-features li {
    color: rgba(255, 255, 255, 0.9);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: 700;
}

.service-card.featured .service-features li::before {
    color: white;
}

/* ========================================
   Contact Section
   ======================================== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    margin-top: 60px;
}

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

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    background: var(--background-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: white;
    border-radius: 10px;
    flex-shrink: 0;
}

.contact-card h4 {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.contact-card p,
.contact-card a {
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
}

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

.contact-form {
    background: var(--background-secondary);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-primary);
    font-size: 15px;
    color: var(--text-primary);
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all var(--transition-speed) var(--transition-ease);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--background-secondary);
    box-shadow: 0 0 0 3px rgba(44, 95, 93, 0.1);
}

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

.btn-submit {
    width: 100%;
    justify-content: center;
}

.form-message {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    display: none;
}

.form-message.success {
    display: block;
    background: #D1FAE5;
    color: #065F46;
}

.form-message.error {
    display: block;
    background: #FEE2E2;
    color: #991B1B;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    color: white;
}

.footer-brand .logo span {
    color: white;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 18px;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 12px;
    transition: color var(--transition-speed) var(--transition-ease);
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition-speed) var(--transition-ease);
}

.footer-bottom-links a:hover {
    color: white;
}

/* ========================================
   Back to Top Button
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-speed) var(--transition-ease);
    z-index: 999;
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.back-to-top.visible {
    display: flex;
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes scrollDown {
    0% {
        transform: translateX(-50%) translateY(0);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateX(-50%) translateY(12px);
        opacity: 0;
    }
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 968px) {
    :root {
        --section-padding: 70px;
    }
    .hero {
        padding-top: 120px;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    /* show text before images on narrower screens */
    .hero-images {
        order: 1;
    }
    .hero-content {
        order: 0;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .stat-item {
        text-align: center;
    }
    
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-120%);
        transition: transform var(--transition-speed) var(--transition-ease);
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 640px) {
    :root {
        --section-padding: 60px;
    }
    
    .nav-container {
        height: 64px;
    }
    
    .hero {
        min-height: auto;
        padding: 140px 0 100px;
    }

    /* remove extra top spacing inside the hero on small screens */
    .hero-container {
        padding-top: 0;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }

    .hero-content {
        max-width: none;
        padding: 0 12px;
        text-align: center;
    }

    /* restored mobile container and hero button behavior */

    .hero-image-grid img {
        aspect-ratio: 4/3;
        height: auto;
    }

    .hero-image-grid img:first-child {
        aspect-ratio: 16/9;
        grid-column: 1 / -1;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-image-grid {
        max-width: 100%;
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .navbar,
    .nav-toggle,
    .back-to-top,
    .scroll-indicator {
        display: none;
    }
}

/* ========================================
   Thank You Modal
   ======================================== */
.thank-you-modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.6);
    z-index: 2000;
}
.thank-you-modal.show {
    display: flex;
}
.thank-you-content {
    background: var(--background-secondary);
    padding: 28px;
    border-radius: 12px;
    max-width: 520px;
    width: 90%;
    text-align: center;
    box-shadow: var(--shadow-xl);
}
.thank-you-content h3 {
    font-family: var(--font-heading);
    margin-bottom: 8px;
}
.thank-you-content p {
    color: var(--text-secondary);
    margin-bottom: 18px;
}
.thank-you-close {
    position: absolute;
    right: 16px;
    top: 14px;
    background: transparent;
    border: none;
    font-size: 24px;
    color: var(--text-primary);
    cursor: pointer;
}