/* =====================================================
   Alliant Finance B LLC - Corporate Landing Page
   Color Palette: Burgundy & Black
   ===================================================== */

/* CSS Variables */
:root {
    /* Primary Colors */
    --burgundy-900: #2d0a0a;
    --burgundy-800: #4a1515;
    --burgundy-700: #6b1f1f;
    --burgundy-600: #8b2929;
    --burgundy-500: #a33636;
    --burgundy-400: #b85555;
    --burgundy-300: #cc7a7a;
    
    /* Neutrals */
    --black: #0a0a0a;
    --gray-900: #121212;
    --gray-800: #1a1a1a;
    --gray-700: #2a2a2a;
    --gray-600: #3a3a3a;
    --gray-500: #5a5a5a;
    --gray-400: #8a8a8a;
    --gray-300: #b0b0b0;
    --gray-200: #d0d0d0;
    --gray-100: #f0f0f0;
    --white: #ffffff;
    
    /* Accent */
    --gold: #c9a962;
    --gold-light: #e0c88a;
    
    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-burgundy: 0 4px 20px rgba(139, 41, 41, 0.3);
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--gray-200);
    background-color: var(--black);
    overflow-x: hidden;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--white);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-primary {
    background: linear-gradient(135deg, var(--burgundy-600), var(--burgundy-700));
    color: var(--white);
    box-shadow: var(--shadow-burgundy);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--burgundy-500), var(--burgundy-600));
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(139, 41, 41, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1px solid var(--gray-600);
}

.btn-outline:hover {
    border-color: var(--burgundy-500);
    color: var(--burgundy-400);
}

.btn-full {
    width: 100%;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-lg) 0;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--space-md) 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo-icon {
    font-size: 1.5rem;
    color: var(--burgundy-500);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--white);
    letter-spacing: -0.01em;
}

.logo-suffix {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-left: var(--space-xs);
}

/* Navigation */
.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    list-style: none;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-300);
    position: relative;
    padding: var(--space-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--burgundy-500);
    transition: width var(--transition-base);
}

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

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

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    position: relative;
    transition: all var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--white);
    left: 0;
    transition: all var(--transition-fast);
}

.hamburger::before { top: -7px; }
.hamburger::after { bottom: -7px; }

.mobile-menu-btn.active .hamburger {
    background: transparent;
}

.mobile-menu-btn.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.mobile-menu-btn.active .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-4xl) 0;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(139, 41, 41, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(139, 41, 41, 0.1) 0%, transparent 40%),
        linear-gradient(180deg, var(--black) 0%, var(--gray-900) 100%);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 0.8fr;
    gap: var(--space-4xl);
    align-items: center;
}

.hero-subtitle {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--burgundy-400);
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: var(--space-xl);
    line-height: 1.1;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--burgundy-400), var(--burgundy-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--gray-300);
    margin-bottom: var(--space-2xl);
    max-width: 540px;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-card {
    background: linear-gradient(145deg, var(--gray-800), var(--gray-900));
    border: 1px solid var(--gray-700);
    border-radius: 12px;
    padding: var(--space-2xl);
    text-align: center;
    max-width: 280px;
    transform: rotate(3deg);
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: rotate(3deg) translateY(0); }
    50% { transform: rotate(3deg) translateY(-10px); }
}

.card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--burgundy-600), var(--burgundy-800));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    box-shadow: var(--shadow-burgundy);
}

.card-icon i {
    font-size: 2rem;
    color: var(--white);
}

.hero-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--space-sm);
}

.hero-card p {
    font-size: 0.9rem;
    color: var(--gray-400);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.scroll-indicator span {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--gray-500);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--burgundy-500), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* Section Styles */
section {
    padding: var(--space-4xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--burgundy-400);
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    margin-bottom: var(--space-md);
}

.section-description {
    font-size: 1.05rem;
    color: var(--gray-400);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    background: var(--gray-900);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gray-700), transparent);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 0.8fr;
    gap: var(--space-4xl);
    align-items: center;
}

.about-lead {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--white);
    margin-bottom: var(--space-xl);
    line-height: 1.5;
}

.about-text p {
    margin-bottom: var(--space-lg);
    color: var(--gray-300);
}

.about-features {
    display: flex;
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--gray-700);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9rem;
    color: var(--gray-200);
}

.feature-item i {
    color: var(--burgundy-500);
    font-size: 1.1rem;
}

/* About Visual */
.about-visual {
    display: flex;
    justify-content: center;
}

.visual-box {
    background: linear-gradient(145deg, var(--gray-800), var(--black));
    border: 1px solid var(--gray-700);
    border-radius: 16px;
    padding: var(--space-2xl);
    text-align: center;
}

.icon-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.icon-item {
    width: 70px;
    height: 70px;
    background: var(--gray-800);
    border: 1px solid var(--gray-600);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.icon-item:hover {
    border-color: var(--burgundy-500);
    transform: translateY(-3px);
}

.icon-item i {
    font-size: 1.5rem;
    color: var(--burgundy-400);
}

.visual-label {
    display: block;
    font-size: 0.85rem;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.visual-value {
    display: block;
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--white);
    margin-top: var(--space-xs);
}

/* Services Section */
.services {
    background: var(--black);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.service-card {
    background: linear-gradient(145deg, var(--gray-800), var(--gray-900));
    border: 1px solid var(--gray-700);
    border-radius: 12px;
    padding: var(--space-2xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--burgundy-600), var(--burgundy-400));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--gray-600);
    box-shadow: var(--shadow-lg);
}

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

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--burgundy-700), var(--burgundy-900));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.service-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
}

.service-description {
    font-size: 0.95rem;
    color: var(--gray-400);
    margin-bottom: var(--space-lg);
}

.service-footer {
    padding-top: var(--space-md);
    border-top: 1px solid var(--gray-700);
}

.service-link {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--burgundy-400);
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    transition: gap var(--transition-base);
    cursor: pointer;
}

.service-card:hover .service-link {
    gap: var(--space-md);
}

/* Contact Section */
.contact {
    background: var(--gray-900);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gray-700), transparent);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
}

.contact-info .section-header {
    text-align: left;
    margin-bottom: var(--space-2xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--burgundy-700), var(--burgundy-900));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.2rem;
    color: var(--white);
}

.contact-label {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-500);
    margin-bottom: var(--space-xs);
}

.contact-value {
    font-size: 1rem;
    color: var(--gray-200);
    transition: color var(--transition-fast);
}

a.contact-value:hover {
    color: var(--burgundy-400);
}

/* Contact Form */
.contact-form-wrapper {
    background: linear-gradient(145deg, var(--gray-800), var(--black));
    border: 1px solid var(--gray-700);
    border-radius: 16px;
    padding: var(--space-2xl);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray-300);
    margin-bottom: var(--space-sm);
}

.form-input {
    width: 100%;
    padding: var(--space-md);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--white);
    background: var(--gray-800);
    border: 1px solid var(--gray-600);
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.form-input::placeholder {
    color: var(--gray-500);
}

.form-input:focus {
    outline: none;
    border-color: var(--burgundy-500);
    box-shadow: 0 0 0 3px rgba(139, 41, 41, 0.2);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238a8a8a' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

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

/* Footer */
.footer {
    background: var(--black);
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--gray-800);
}

.footer-content {
    text-align: center;
}

.copyright {
    font-size: 0.9rem;
    color: var(--gray-500);
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .about-visual {
        order: -1;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--gray-900);
        padding: var(--space-4xl) var(--space-xl);
        transition: right var(--transition-base);
        box-shadow: var(--shadow-lg);
    }
    
    .nav.active {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-lg);
    }
    
    .nav-link {
        font-size: 1.1rem;
    }
    
    .mobile-menu-btn {
        display: block;
        z-index: 1001;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }
    
    .hero {
        padding-top: calc(var(--space-4xl) + 60px);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .icon-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}