/* Custom CSS for M.A.R.S. Advisors */
:root {
    /* Color Palette - Friendly Light Theme */
    --bg-main: #F4F7F9; /* Soft, cool off-white to reduce glare */
    --bg-secondary: #EAF0F4; /* Slightly deeper shade for section breaks */
    --bg-card: #FFFFFF;
    
    --text-primary: #1E293B; /* Dark slate */
    --text-secondary: #475569; /* Slate */
    
    --accent-primary: #51A6C3; /* Brand Blue */
    --accent-hover: #3D8AA5;
    
    --border-color: #E2E8F0;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Effects */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    background-color: var(--bg-main);
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

/* Reusable Components */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), #172554);
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(81, 166, 195, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-hover), #0F172A);
    box-shadow: 0 8px 24px rgba(23, 37, 84, 0.5);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background-color: rgba(81, 166, 195, 0.05);
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn.success {
    background-color: #10B981;
    color: white;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

/* Header & Nav (Glassmorphism) */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    background-color: #51A6C3;
    transition: all var(--transition-normal);
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    padding: 1rem 0;
    background: rgba(81, 166, 195, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: #FFFFFF;
    text-decoration: none;
    letter-spacing: 1px;
}

.logo span {
    color: #E2E8F0;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-link {
    color: #FFFFFF;
    text-decoration: none;
    font-weight: 500;
    transition: opacity var(--transition-fast);
}

.nav-link:hover {
    opacity: 0.8;
}

.nav-btn {
    padding: 0.5rem 1.25rem;
    color: #FFFFFF;
}

.nav-btn:hover {
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: #FFFFFF;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Layout Blocks */
.section {
    padding: 6rem 2rem;
    position: relative;
    z-index: 2;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
}

.alt-bg {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8rem 2rem 4rem;
    position: relative;
    overflow: hidden;
    background-image: linear-gradient(rgba(255,255,255,0.7), rgba(255,255,255,0.9)), url('hero_background_1780188340200.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 10;
}

.badge {
    display: inline-block;
    padding: 0.25rem 1rem;
    background: linear-gradient(135deg, rgba(81,166,195,0.1), rgba(37,99,235,0.1));
    color: #2563EB;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: 2rem;
    border: 1px solid rgba(37,99,235, 0.3);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, #1E293B, #2563EB);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-inline: auto;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* Background Glow Effects */
.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    z-index: 1;
    opacity: 0.3;
}

.orb-1 {
    width: 40vw;
    height: 40vw;
    background: rgba(81, 166, 195, 0.2);
    top: -10vw;
    right: -10vw;
}

.orb-2 {
    width: 30vw;
    height: 30vw;
    background: rgba(226, 232, 240, 0.8);
    bottom: 10vh;
    left: -5vw;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    color: var(--text-primary);
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* M.A.R.S Framework Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2.5rem 2rem;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(81, 166, 195, 0.4);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    background: #FFFFFF;
}

/* Individual Tile Colors */
.card-blue { background-color: #EBF5F9; border-color: #C2E0ED; }
.card-blue:hover { background-color: #EBF5F9; border-color: #51A6C3; }
.card-blue .card-icon { color: #51A6C3; background: rgba(81, 166, 195, 0.15); }

.card-green { background-color: #ECFDF5; border-color: #A7F3D0; }
.card-green:hover { background-color: #ECFDF5; border-color: #10B981; }
.card-green .card-icon { color: #10B981; background: rgba(16, 185, 129, 0.15); }

.card-indigo { background-color: #EEF2FF; border-color: #C7D2FE; }
.card-indigo:hover { background-color: #EEF2FF; border-color: #4F46E5; }
.card-indigo .card-icon { color: #4F46E5; background: rgba(79, 70, 229, 0.15); }

.card-slate { background-color: #F1F5F9; border-color: #CBD5E1; }
.card-slate:hover { background-color: #F1F5F9; border-color: #475569; }
.card-slate .card-icon { color: #475569; background: rgba(71, 85, 105, 0.15); }

.card-icon {
    font-size: 2.5rem;
    color: var(--accent-primary);
    margin-bottom: 1.5rem;
    background: rgba(81, 166, 195, 0.1);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.feature-list {
    list-style: none;
    margin-top: 2rem;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-weight: 500;
    color: var(--text-primary);
}

.feature-list i {
    color: var(--accent-primary);
    font-size: 1.5rem;
}

.about-img, .contact-img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    object-fit: cover;
    transition: transform var(--transition-normal);
}
.about-img:hover, .contact-img:hover {
    transform: scale(1.02);
}
.about-img {
    height: 450px;
}
.contact-img {
    height: 250px;
    margin-top: 2.5rem;
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-methods {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-item:hover {
    color: var(--accent-primary);
}

.icon-circle {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(81,166,195,0.1), rgba(37,99,235,0.1));
    border: 1px solid rgba(81, 166, 195, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #2563EB;
    box-shadow: 0 4px 10px rgba(37,99,235,0.1);
}

.contact-form-container {
    background: var(--bg-card);
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 1.5rem;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: #F8FAFC;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: #FFFFFF;
    box-shadow: 0 0 0 3px rgba(81, 166, 195, 0.2);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.checkbox-group input {
    width: auto;
    padding: 0;
    margin: 0;
    cursor: pointer;
}

.checkbox-group label {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: inline;
    cursor: pointer;
    font-weight: 400;
}

.checkbox-group a {
    color: var(--accent-primary);
    text-decoration: underline;
}

/* Footer */
.footer {
    background: #F8FAFC;
    padding: 4rem 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-primary);
}

.footer p {
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-primary);
}

/* Scroll Animations */
.fade-up-element {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-up-element.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 992px) {
    .about-grid, .contact-wrapper {
        grid-template-columns: 1fr;
    }
    .grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-container { padding: 0 1.5rem; }
    .nav { display: none; }
    .mobile-menu-btn { display: block; }
    .hero-actions { flex-direction: column; }
    .contact-form-container { padding: 2rem; }
    .grid {
        grid-template-columns: 1fr;
    }
}