/* Premium AI-Finance Theme */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@200;300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700&display=swap');

:root {
    /* Typography Colors */
    --heading-primary: #F4F7FB;
    --text-secondary: #C9D4E0;
    --text-paragraph: #AAB6C4;
    --text-subtle: #7F8FA4;

    /* Backgrounds */
    --bg-navy: #0B1F3A;
    --bg-navy-mid: #102C57;
    --bg-navy-deep: #0F2547;
    --bg-card: rgba(16, 44, 87, 0.65);
    --bg-card-solid: #132E52;

    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.08);

    /* Accent */
    --accent-blue: #2E5BFF;
    --accent-blue-hover: #3A6CFF;

    /* Light section */
    --bg-light-section: #F3F6FA;
    --text-light-heading: #1B2A41;
    --text-light-sub: #5C6B80;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 2px 10px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.3);
}

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

/* 1 - Global Background */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;
    background: linear-gradient(135deg, #0B1F3A 0%, #102C57 60%, #0F2547 100%) !important;
    color: var(--text-paragraph) !important;
    min-height: 100vh;
    line-height: 1.7;
}

/* Header */
header {
    background: rgba(11, 31, 58, 0.95) !important;
    border-bottom: 1px solid var(--border-subtle) !important;
    box-shadow: 0 1px 8px rgba(0, 0, 0, 0.25) !important;
    backdrop-filter: blur(12px);
}

/* 6 - Navigation (accent for active/hover) */
.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500 !important;
    font-size: 0.95rem !important;
    letter-spacing: 0.3px;
    transition: color 200ms ease !important;
}

.nav-link::before {
    background: var(--accent-blue) !important;
}

.nav-link:hover {
    color: var(--heading-primary) !important;
}

/* Dropdown */
.dropdown-menu {
    background: var(--bg-card-solid) !important;
    border: 1px solid var(--border-subtle) !important;
    box-shadow: var(--shadow-lg) !important;
}

.dropdown-menu li a {
    color: var(--text-secondary) !important;
    transition: all 200ms ease !important;
}

.dropdown-menu li a:hover {
    color: var(--heading-primary) !important;
    background: rgba(46, 91, 255, 0.08) !important;
    border-left-color: var(--accent-blue) !important;
}

/* User Profile */
.user-profile {
    background: rgba(46, 91, 255, 0.1) !important;
    border: 1px solid rgba(46, 91, 255, 0.2) !important;
}

.user-name {
    color: var(--text-secondary) !important;
    font-weight: 500 !important;
}

/* 7 - Hero Logo Section */
.hero-logo-section {
    background: linear-gradient(135deg, #0B1F3A 0%, #102C57 60%, #0F2547 100%) !important;
    border-radius: 24px !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    position: relative !important;
    overflow: hidden !important;
}

/* Subtle radial glow for hero (AI network feel) */
.hero-logo-section::before {
    content: '' !important;
    position: absolute !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    width: 80% !important;
    height: 80% !important;
    background: radial-gradient(ellipse at center, rgba(46, 91, 255, 0.06) 0%, transparent 70%) !important;
    pointer-events: none !important;
    z-index: 0 !important;
}

.hero-logo-section > * {
    position: relative !important;
    z-index: 1 !important;
}

.hero-logo-section .logo-text {
    color: var(--heading-primary) !important;
    -webkit-text-fill-color: var(--heading-primary) !important;
    background: none !important;
    font-family: 'Inter', 'Manrope', sans-serif !important;
    font-weight: 300 !important;
    letter-spacing: 0.3em !important;
    text-transform: uppercase !important;
    text-align: center !important;
}

.hero-logo-section .logo-text .logo-char-e {
    display: inline-block;
    font-size: 0.85em;
    letter-spacing: 0;
    vertical-align: baseline;
    line-height: 1;
    transform: scaleX(0.75);
}

.hero-logo-section .logo-text .logo-char-a {
    font-weight: 300;
    letter-spacing: 0.02em;
}

.hero-logo-section .tagline {
    color: var(--text-secondary) !important;
    -webkit-text-fill-color: var(--text-secondary) !important;
    font-weight: 300 !important;
    text-align: center !important;
}

/* Company Name (non-logo pages) */
.company-name {
    font-family: 'Montserrat', sans-serif !important;
    color: var(--heading-primary) !important;
    background: none !important;
    -webkit-text-fill-color: var(--heading-primary) !important;
    font-weight: 600 !important;
}

/* 2 - Page Titles (typography colors) */
.page-title {
    font-family: 'Montserrat', sans-serif !important;
    color: var(--heading-primary) !important;
    background: none !important;
    -webkit-text-fill-color: var(--heading-primary) !important;
    font-weight: 600 !important;
}

/* Tagline */
.tagline {
    color: var(--text-secondary) !important;
    font-weight: 400 !important;
}

/* 4 - Cards (dark glass style) */
.stat-card, .feature-card, .model-card, .content-section {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-subtle) !important;
    box-shadow: var(--shadow-md) !important;
    border-radius: 16px !important;
    transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease !important;
}

.stat-card:hover, .feature-card:hover, .model-card:hover, .content-section:hover {
    transform: translateY(-3px) !important;
    box-shadow: var(--shadow-lg) !important;
    border-color: rgba(46, 91, 255, 0.3) !important;
}

.stat-number {
    color: var(--accent-blue) !important;
}

.stat-label {
    color: var(--text-subtle) !important;
}

/* 2 - Content Section Typography */
.content-section h2 {
    color: var(--heading-primary) !important;
    font-weight: 600 !important;
}

.content-section h2::after {
    background: var(--accent-blue) !important;
}

.content-section p {
    color: var(--text-paragraph) !important;
}

.content-section strong {
    color: var(--text-secondary) !important;
}

/* Feature Cards */
.feature-icon {
    background: rgba(46, 91, 255, 0.1) !important;
    color: var(--accent-blue) !important;
}

.feature-card h3 {
    color: var(--heading-primary) !important;
    font-weight: 600 !important;
}

.feature-card p {
    color: var(--text-paragraph) !important;
}

/* Model Cards */
.model-card h2 {
    color: var(--text-secondary) !important;
    font-weight: 600 !important;
}

.model-card:hover h2 {
    color: var(--heading-primary) !important;
}

/* 5 - Primary Buttons */
.cta-button, .logout-btn, .btn-get-started, .btn-submit {
    background: var(--accent-blue) !important;
    color: #FFFFFF !important;
    border: none !important;
    border-radius: 8px !important;
    font-weight: 600 !important;
    transition: background 200ms ease, transform 200ms ease !important;
}

.cta-button:hover, .logout-btn:hover, .btn-get-started:hover, .btn-submit:hover {
    background: var(--accent-blue-hover) !important;
}

/* 5 - Secondary Buttons */
.btn-secondary {
    background: rgba(255, 255, 255, 0.08) !important;
    color: var(--heading-primary) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    border-radius: 8px !important;
    font-weight: 500 !important;
    transition: background 200ms ease !important;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.14) !important;
}

/* Analytics & Premium Cards */
.card-premium, .analytics-card, .info-box {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-subtle) !important;
    box-shadow: var(--shadow-md) !important;
    transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease !important;
}

.card-premium:hover, .analytics-card:hover, .info-box:hover {
    transform: translateY(-3px) !important;
    box-shadow: var(--shadow-lg) !important;
    border-color: rgba(46, 91, 255, 0.3) !important;
}

.card-title {
    color: var(--heading-primary) !important;
    font-weight: 500 !important;
}

.card-subtitle {
    color: var(--text-subtle) !important;
}

.card-header {
    border-bottom: 1px solid var(--border-subtle) !important;
}

/* Metrics */
.metric-value {
    color: var(--heading-primary) !important;
    font-weight: 600 !important;
}

.metric-label {
    color: var(--text-subtle) !important;
}

.metric-change.positive {
    color: #34D399 !important;
}

/* 6 - Accent Highlights (links, icons, arrows) */
.tech-accent {
    color: var(--accent-blue) !important;
}

a {
    color: var(--accent-blue) !important;
    transition: color 200ms ease !important;
}

a:hover {
    color: var(--accent-blue-hover) !important;
}

/* Override link color inside nav and cards to keep their own colors */
.nav-link, .dropdown-menu li a, .logout-btn, .cta-button, .btn-get-started, .btn-secondary {
    color: revert !important;
}

.nav-link {
    color: var(--text-secondary) !important;
}

.dropdown-menu li a {
    color: var(--text-secondary) !important;
}

/* Form Controls */
.form-control-premium {
    border: 1px solid var(--border-subtle) !important;
    background: rgba(16, 44, 87, 0.4) !important;
    color: var(--text-secondary) !important;
    box-shadow: none !important;
}

/* Badges */
.badge-green {
    background: rgba(46, 91, 255, 0.1) !important;
    color: var(--accent-blue) !important;
}

.badge-gray {
    background: rgba(255, 255, 255, 0.06) !important;
    color: var(--text-subtle) !important;
}

/* Selection */
::selection {
    background: rgba(46, 91, 255, 0.3) !important;
    color: var(--heading-primary) !important;
}

/* Spacing & Layout */
.container {
    padding: 5rem 2rem !important;
}

.hero {
    padding: 5rem 2rem !important;
}

.hero-logo-section {
    padding: 7rem 2rem !important;
    margin-bottom: 3rem !important;
}

.content-section {
    margin-bottom: 2.5rem !important;
}

.stats-container,
.features-grid,
.models-grid {
    margin: 5rem 0 !important;
}

/* 3 - Section backgrounds */
.section-white,
.section-light {
    background: var(--bg-light-section) !important;
}

.section-white h2,
.section-light h2 {
    color: var(--text-light-heading) !important;
    -webkit-text-fill-color: var(--text-light-heading) !important;
}

.section-white p,
.section-light p {
    color: var(--text-light-sub) !important;
}

.section-gray {
    background: transparent !important;
}

/* Dark sections with subtle radial glow */
.section-dark {
    background: linear-gradient(135deg, #0B1F3A 0%, #102C57 60%, #0F2547 100%) !important;
    position: relative !important;
}

.section-dark::before {
    content: '' !important;
    position: absolute !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    width: 60% !important;
    height: 60% !important;
    background: radial-gradient(ellipse at center, rgba(46, 91, 255, 0.06) 0%, transparent 70%) !important;
    pointer-events: none !important;
}

/* Canvas elements */
#particles-canvas,
#stars-canvas {
    display: none;
}

/* Download button */
.btn-download {
    border-radius: 8px !important;
    font-weight: 600 !important;
}