/* ==========================================================================
   Variables & Theme Setup
   ========================================================================== */
   :root {
    /* Color Palette */
    --deep-navy: #0A192F;
    --navy-light: #112240;
    --navy-lighter: #233554;
    --slate-grey: #8892B0;
    --slate-light: #CCD6F6;
    --bronze: #C89666;
    --bronze-dark: #A5754A;
    --bronze-light: #E0B48A;
    
    --white: #FFFFFF;
    --bg-color: #FAFAFA;
    --text-main: #333333;
    --text-muted: #666666;
    
    /* Typography */
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s cubic-bezier(0.645, 0.045, 0.355, 1);
    
    /* Layout */
    --nav-height: 80px;
}

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

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

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

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

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
    color: var(--deep-navy);
    font-weight: 800;
    line-height: 1.2;
}

p {
    margin-bottom: 1rem;
    color: var(--text-muted);
}

/* ==========================================================================
   UI Components
   ========================================================================== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bronze);
    color: var(--white);
    padding: 1rem 2rem;
    font-weight: 600;
    border-radius: 4px;
    border: 1px solid var(--bronze);
    transition: var(--transition-base);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--bronze);
    box-shadow: 0 5px 15px rgba(200, 150, 102, 0.2);
}

.btn-primary-small {
    background-color: transparent;
    color: var(--bronze);
    border: 1px solid var(--bronze);
    padding: 0.5rem 1.25rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.accent-line {
    height: 3px;
    width: 60px;
    background-color: var(--bronze);
    margin: 1.5rem 0;
}

.accent-line.center {
    margin: 1.5rem auto;
}

.accent-line.bronze {
    background-color: var(--bronze);
}

/* Section Globals */
.section-padding {
    padding: 6rem 0;
}

.section-alt {
    background-color: #F0F2F5;
}

.section-dark {
    background-color: var(--deep-navy);
    color: var(--slate-light);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.section-title.text-light {
    color: var(--white);
}

.text-light-muted {
    color: var(--slate-grey);
}

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

.reveal-element.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Navigation
   ========================================================================== */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition-base);
}

nav.scrolled {
    height: 70px;
    background-color: rgba(255, 255, 255, 0.98);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--deep-navy);
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--bronze);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a:not(.btn-primary-small) {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--deep-navy);
    position: relative;
}

.nav-links a:not(.btn-primary-small)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--bronze);
    transition: var(--transition-base);
}

.nav-links a:not(.btn-primary-small):hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    height: 20px;
    width: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--deep-navy);
    transition: var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    transform: translateY(-100%);
    transition: transform 0.4s cubic-bezier(0.77, 0, 0.175, 1);
    z-index: 999;
}

.mobile-menu.active {
    transform: translateY(0);
}

.mobile-link {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--deep-navy);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
#hero {
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    position: relative;
    background-color: var(--deep-navy);
    /* Image will be set dynamically via JS/inline css based on generated asset */
    background-image: url('assets/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Parallax effect */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Gradient overlay to ensure text readability while maintaining modern dark look */
    background: linear-gradient(135deg, rgba(10, 25, 47, 0.9) 0%, rgba(10, 25, 47, 0.6) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding-top: var(--nav-height);
    max-width: 800px;
}

.hero-title {
    font-size: clamp(3rem, 5vw, 4.5rem);
    color: var(--white);
    margin-bottom: 1.5rem;
    line-height: 1.1;
    opacity: 0;
    animation: fadeUp 1s ease 0.2s forwards;
    transform: translateY(30px);
}

.hero-title span {
    color: var(--bronze);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--slate-light);
    margin-bottom: 2.5rem;
    max-width: 600px;
    opacity: 0;
    animation: fadeUp 1s ease 0.4s forwards;
    transform: translateY(30px);
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 2rem;
    opacity: 0;
    animation: fadeUp 1s ease 0.6s forwards;
    transform: translateY(30px);
}

.scroll-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
    animation: bounce 2s infinite;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ==========================================================================
   Mission Section
   ========================================================================== */
.center {
    text-align: center;
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.mission-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border-top: 4px solid var(--bronze);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.mission-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
}

.icon-wrapper {
    width: 60px;
    height: 60px;
    background-color: rgba(200, 150, 102, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bronze);
    margin-bottom: 1.5rem;
}

.mission-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

/* ==========================================================================
   Acquisition Profile Section
   ========================================================================== */
.profile-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.lead-text {
    font-size: 1.1rem;
    color: var(--text-main);
    margin-bottom: 2rem;
}

.criteria-list {
    list-style: none;
}

.criteria-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
    background: var(--white);
    padding: 1.5rem;
    border-radius: 6px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
}

.checked-icon {
    color: var(--bronze);
    flex-shrink: 0;
    margin-top: 2px;
}

/* Abstract Data Visual */
.data-abstract {
    position: relative;
    height: 400px;
    background: linear-gradient(145deg, var(--navy-light), var(--deep-navy));
    border-radius: 12px;
    padding: 2rem;
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    gap: 1rem;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(10, 25, 47, 0.2);
}

.data-abstract::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 20px 20px;
}

.chart-bar {
    width: 15%;
    background: linear-gradient(to top, var(--bronze-dark), var(--bronze-light));
    border-radius: 4px 4px 0 0;
    position: relative;
    z-index: 2;
    transform-origin: bottom;
    animation: growBar 1.5s ease-out forwards;
    opacity: 0.9;
}

.b1 { height: 40%; animation-delay: 0.2s; }
.b2 { height: 60%; animation-delay: 0.4s; }
.b3 { height: 50%; animation-delay: 0.6s; }
.b4 { height: 85%; animation-delay: 0.8s; }

@keyframes growBar {
    from { transform: scaleY(0); }
    to { transform: scaleY(1); }
}

/* ==========================================================================
   Principal Section
   ========================================================================== */
.principal-layout {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 4rem;
    align-items: center;
}

.image-wrapper {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.image-wrapper img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    filter: grayscale(20%) contrast(110%);
}

.experience-badge {
    position: absolute;
    bottom: -1px;
    right: -1px;
    background-color: var(--deep-navy);
    color: var(--white);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    border-top-left-radius: 8px;
}

.experience-badge .years {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--bronze);
    line-height: 1;
}

.experience-badge .text {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
    margin-top: 0.5rem;
}

.principal-content .subtitle {
    color: var(--bronze);
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

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

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

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
}

.contact-form {
    background: var(--white);
    padding: 3rem;
    border-radius: 8px;
    color: var(--text-main);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--navy-light);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background-color: #F5F7FA;
    border: 1px solid #E2E8F0;
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--bronze);
    background-color: var(--white);
    box-shadow: 0 0 0 3px rgba(200, 150, 102, 0.1);
}

.error-message {
    color: #E53E3E;
    font-size: 0.8rem;
    position: absolute;
    bottom: -1.25rem;
    left: 0;
    opacity: 0;
    transition: opacity 0.2s;
}

.form-group.error .error-message {
    opacity: 1;
}

.form-group.error input,
.form-group.error textarea {
    border-color: #E53E3E;
}

.btn-submit {
    width: 100%;
    background-color: var(--bronze);
    color: var(--white);
    border: none;
    padding: 1rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition-base);
}

.btn-submit:hover {
    background-color: var(--bronze-dark);
}

.form-success {
    text-align: center;
    padding: 2rem;
    background-color: #F0FFF4;
    border: 1px solid #C6F6D5;
    border-radius: 4px;
    color: #2F855A;
}

.form-success.hidden {
    display: none;
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
    background-color: #050d18;
    color: var(--slate-grey);
    padding: 2rem 0;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-logo {
    font-weight: 800;
    color: var(--white);
}

.footer-logo span {
    color: var(--bronze);
}

.copyright {
    margin: 0;
    font-size: 0.9rem;
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */
@media (max-width: 992px) {
    .profile-layout,
    .principal-layout,
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .principal-image-container {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .section-padding {
        padding: 4rem 0;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .contact-form {
        padding: 2rem 1.5rem;
    }
    
    .data-abstract {
        height: 300px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .mission-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}