:root {
    /* Professional Corporate Color Palette */
    --primary: #15803d; /* Solid Corporate Green */
    --primary-hover: #166534;
    --primary-light: #dcfce7; /* Light green for backgrounds */
    --bg-main: #ffffff;
    --bg-light: #f8fafc;
    --text-main: #1e293b; /* Slate 800 */
    --text-muted: #475569; /* Slate 600 */
    --border-color: #e2e8f0;
    --nav-bg: rgba(255, 255, 255, 0.95);
    
    /* Spacing & Layout */
    --container-padding: 2rem;
    --section-padding: 7rem 0;
    --section-padding-mobile: 4rem 0;
    --border-radius: 12px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.bg-light {
    background-color: var(--bg-light);
}

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

.mt-2 {
    margin-top: 1.5rem;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
    color: #0f172a;
    letter-spacing: -0.02em;
}

h1 { 
    font-size: clamp(2rem, 5vw, 4rem); 
    margin-bottom: 1.5rem;
    word-break: break-word;
}

h2 { 
    font-size: clamp(2rem, 4vw, 2.5rem); 
    margin-bottom: 1.25rem;
}

h3 { 
    font-size: 1.25rem; 
    margin-bottom: 0.75rem;
}

p { 
    color: var(--text-muted); 
    margin-bottom: 1.5rem; 
    font-size: 1.125rem; 
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
    cursor: pointer;
    font-size: 1rem;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(21, 128, 61, 0.2);
}

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

.btn-secondary:hover {
    background-color: var(--bg-light);
    border-color: #cbd5e1;
    transform: translateY(-1px);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--bg-main);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem var(--container-padding);
    max-width: 1200px;
    margin: 0 auto;
}

.navbar.scrolled {
    background-color: var(--nav-bg);
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow-sm);
}

.logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.04em;
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.nav-links a:not(.btn-primary):hover {
    color: var(--primary);
}

.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    z-index: 1001;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background-color: var(--text-main);
    transition: all 0.3s ease;
}

/* Layout Padding */
section, header {
    padding: var(--section-padding);
    position: relative;
}

/* Hero Section */
.hero {
    padding-top: 12rem;
    overflow: visible;
}

/* Subtle background pattern for hero */
.hero-bg-pattern {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: radial-gradient(#e2e8f0 1px, transparent 1px);
    background-size: 32px 32px;
    opacity: 0.5;
    z-index: -1;
    mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
}

.hero-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2.5rem;
}

/* Abstract Placeholders instead of just gray boxes */
.abstract-placeholder {
    width: 100%;
    border-radius: calc(var(--border-radius) * 2);
    position: relative;
    overflow: hidden;
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
}

.main-placeholder {
    aspect-ratio: 4/3;
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.secondary-placeholder {
    aspect-ratio: 1/1;
    background: #f8fafc;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.6;
    animation: move 8s infinite alternate ease-in-out;
}

.blob-1 {
    width: 300px; height: 300px;
    background: var(--primary-light);
    top: -50px; left: -50px;
}

.blob-2 {
    width: 250px; height: 250px;
    background: #e0f2fe; /* light blue */
    bottom: -20px; right: -20px;
    animation-delay: -4s;
}

.blob-3 {
    width: 400px; height: 400px;
    background: var(--primary-light);
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse-slow 6s infinite alternate ease-in-out;
}

.grid-pattern {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(to right, #e2e8f0 1px, transparent 1px), linear-gradient(to bottom, #e2e8f0 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.5;
}

.glass-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,0.8);
}

.placeholder-icon {
    width: 64px;
    height: 64px;
    color: var(--primary);
    opacity: 0.8;
}

@keyframes move {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(20px, 30px) scale(1.1); }
}

@keyframes pulse-slow {
    0% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    100% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
}

/* Features Section */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 4rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: calc(var(--border-radius) * 1.5);
    padding: 3rem 2.5rem;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 4px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.feature-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: #cbd5e1;
}

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

.feature-icon-wrapper {
    position: relative;
    width: 56px;
    height: 56px;
    margin-bottom: 1.5rem;
}

.icon-bg {
    position: absolute;
    inset: 0;
    background: var(--primary-light);
    border-radius: var(--border-radius);
    transform: rotate(-10deg);
    transition: transform 0.3s ease;
}

.feature-card:hover .icon-bg {
    transform: rotate(0deg) scale(1.1);
}

.feature-icon {
    position: absolute;
    inset: 0;
    margin: auto;
    color: var(--primary);
    z-index: 1;
}

/* About Section */
.about-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Contact Section */
.contact-wrapper {
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-main);
    padding: 4rem;
    border-radius: calc(var(--border-radius) * 2);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.info-list {
    margin-top: 2.5rem;
    display: inline-flex;
    flex-direction: column;
    text-align: left;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.info-item.align-top {
    align-items: flex-start;
}

.info-item p {
    margin-bottom: 0;
    font-weight: 500;
}

.info-icon {
    color: var(--primary);
    flex-shrink: 0;
    background: var(--bg-light);
    padding: 10px;
    width: 40px; height: 40px;
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-main);
    font-size: 0.9rem;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 0.875rem 1.25rem;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-main);
    font-size: 1rem;
    transition: all 0.2s ease;
}

.form-group input::placeholder, .form-group textarea::placeholder {
    color: #94a3b8;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--bg-main);
    box-shadow: 0 0 0 4px rgba(21, 128, 61, 0.1);
}

.submit-btn {
    width: 100%;
    margin-top: 0.5rem;
}

/* Footer */
footer {
    background: var(--bg-main);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 3rem;
    gap: 1rem;
}

.footer-logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.04em;
}

.footer-content p {
    margin-bottom: 0;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* Responsive Design */
@media (max-width: 1024px) {
    :root {
        --section-padding: 6rem 0;
    }
    
    .hero-container, .about-container, .contact-wrapper {
        gap: 3rem;
    }
    
    .contact-wrapper {
        padding: 3rem;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: var(--section-padding-mobile);
    }
    
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.875rem; }
    
    .hero {
        padding-top: 8rem;
    }
    
    .hero-container, .about-container, .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons a {
        width: 100%;
    }
    
    .about-container {
        display: flex;
        flex-direction: column-reverse;
    }
    
    .contact-wrapper {
        padding: 2rem;
    }

    /* Mobile Menu */
    .hamburger {
        display: flex;
    }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-main);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
        
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all 0.3s ease;
    }
    
    .nav-links.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .nav-links a.btn-primary {
        width: 100%;
        text-align: center;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
}