/* ================================================================
   IFP Platform - Brave1 Defense Tech Styling
   Flying GEM Brain - Autonomous Swarm Intelligence
   ================================================================ */

/* ================================================================
   1. CSS Variables & Theme
   ================================================================ */

:root {
    /* Primary Colors - Defense Tech */
    --navy: #0A1628;
    --steel-gray: #2D3748;
    --electric-blue: #3B82F6;
    --ukraine-blue: #0057B7;
    --ukraine-yellow: #FFD700;
    --orange: #F59E0B;

    /* Status Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;

    /* Neutrals */
    --white: #FFFFFF;
    --light-gray: #F3F4F6;
    --medium-gray: #9CA3AF;
    --dark-gray: #1F2937;

    /* Typography */
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Layout */
    --container-width: 1200px;
    --border-radius: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ================================================================
   2. Global Styles & Reset
   ================================================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-gray);
    background: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--electric-blue);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--ukraine-blue);
}

button, .btn {
    font-family: var(--font-heading);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ================================================================
   3. Navigation Header
   ================================================================ */

.main-nav,
.nav-defense {
    background: var(--navy);
    color: var(--white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.nav-defense .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.nav-defense .logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-defense .logo-text {
    color: var(--white);
}

.nav-defense .logo-badge {
    font-size: 1.25rem;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-logo h1 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--white);
}

.nav-logo .subtitle {
    font-size: 0.875rem;
    color: var(--ukraine-yellow);
    font-weight: 400;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--white);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.nav-links a:hover {
    background: var(--steel-gray);
    color: var(--ukraine-yellow);
    border-color: var(--ukraine-yellow);
}

.nav-links a.active {
    background: var(--ukraine-blue);
    border-color: var(--ukraine-blue);
}

/* ================================================================
   4. Hero Section - Flying GEM Brain
   ================================================================ */

.hero-defense {
    background: linear-gradient(135deg, var(--navy) 0%, var(--steel-gray) 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-defense::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(0, 87, 183, 0.1) 0%, transparent 50%);
    z-index: 1;
}

.hero-defense > * {
    position: relative;
    z-index: 2;
}

.ukraine-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--ukraine-blue), var(--ukraine-yellow));
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.hero-title {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.1;
}

.gradient-text {
    background: linear-gradient(135deg, var(--electric-blue), var(--ukraine-yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-top: 0.5rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--light-gray);
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.stat {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    transition: var(--transition);
}

.stat:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.stat-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--ukraine-yellow);
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--light-gray);
    margin-top: 0.5rem;
}

.hero-cta,
.hero-ctas {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: var(--spacing-xl);
}

.btn-primary {
    background: var(--ukraine-blue);
    color: var(--white);
    padding: 1rem 2rem;
    font-size: 1.125rem;
    box-shadow: 0 4px 15px rgba(0, 87, 183, 0.4);
    border: 2px solid var(--ukraine-blue);
}

.btn-primary:hover {
    background: var(--electric-blue);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 87, 183, 0.6);
    border-color: var(--electric-blue);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--navy);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-outline:hover {
    background: var(--white);
    color: var(--navy);
}

/* ================================================================
   5. Swarm Capabilities Section
   ================================================================ */

.swarm-section {
    padding: var(--spacing-xl) 0;
    background: var(--light-gray);
}

.swarm-section h2 {
    text-align: center;
    color: var(--navy);
    margin-bottom: var(--spacing-md);
}

.swarm-section p {
    text-align: center;
    color: var(--medium-gray);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg) auto;
    font-size: 1.125rem;
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.capability-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    border-left: 4px solid var(--electric-blue);
}

.capability-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border-left-color: var(--ukraine-blue);
}

.capability-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.capability-card h3 {
    color: var(--navy);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.capability-card p {
    color: var(--dark-gray);
    margin-bottom: var(--spacing-sm);
    text-align: left;
}

.capability-card .proof-tag {
    display: inline-block;
    background: var(--success);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* ================================================================
   6. Proof Section - Production System
   ================================================================ */

.proof-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--navy) 0%, var(--steel-gray) 100%);
    color: var(--white);
    text-align: center;
}

.proof-badge {
    display: inline-block;
    background: var(--success);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.proof-section h2 {
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.proof-section strong {
    color: var(--ukraine-yellow);
}

.proof-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto var(--spacing-lg) auto;
}

.proof-stat {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
}

.proof-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--ukraine-yellow);
    font-family: var(--font-mono);
}

.proof-label {
    font-size: 1rem;
    color: var(--light-gray);
    margin-top: 0.5rem;
}

.proof-detail {
    font-size: 0.75rem;
    color: var(--medium-gray);
    margin-top: 0.25rem;
}

.proof-architecture {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    max-width: 900px;
    margin: var(--spacing-lg) auto 0 auto;
}

.proof-architecture h3 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.architecture-comparison {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.arch-column {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    padding-bottom: var(--spacing-lg);
}

.arch-column h4 {
    color: var(--ukraine-yellow);
    margin-bottom: var(--spacing-sm);
}

.arch-tier {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--light-gray);
}

.arch-tier:last-of-type {
    border-bottom: none;
    margin-bottom: var(--spacing-sm);
}

.arch-tier strong {
    color: var(--white);
}

.arch-arrow {
    font-size: 2rem;
    color: var(--ukraine-yellow);
    display: flex;
    align-items: center;
    justify-content: center;
}

.arch-status {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: var(--spacing-sm);
}

.arch-column ul {
    list-style: none;
    text-align: left;
}

.arch-column li {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.arch-column li:last-child {
    border-bottom: none;
}

.proof-cta {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
}

.proof-note {
    max-width: 700px;
    margin: var(--spacing-md) auto 0 auto;
    color: var(--light-gray);
    font-size: 1rem;
}

/* ================================================================
   7. Military Applications Section
   ================================================================ */

.applications-section {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.applications-section h2 {
    text-align: center;
    color: var(--navy);
    margin-bottom: var(--spacing-md);
}

.applications-section > p {
    text-align: center;
    color: var(--medium-gray);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg) auto;
    font-size: 1.125rem;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.application-card {
    background: var(--light-gray);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    border: 2px solid transparent;
    transition: var(--transition);
}

.application-card:hover {
    border-color: var(--ukraine-blue);
    background: var(--white);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.application-card h3 {
    color: var(--navy);
    margin-bottom: var(--spacing-sm);
}

.application-card .scenario {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.application-card .scenario strong {
    color: var(--ukraine-blue);
}

.comparison {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-sm);
    align-items: center;
    margin-top: var(--spacing-sm);
}

.comparison .traditional {
    color: var(--danger);
    text-align: right;
}

.comparison .vs {
    font-weight: 700;
    color: var(--medium-gray);
}

.comparison .gem {
    color: var(--success);
    font-weight: 600;
}

/* ================================================================
   8. Brave1 CTA Section
   ================================================================ */

.brave1-cta {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--ukraine-blue) 0%, var(--ukraine-yellow) 100%);
    color: var(--navy);
    text-align: center;
}

.flags {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.flags .plus {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 1rem;
    color: var(--white);
}

.brave1-cta h2 {
    color: var(--navy);
    margin-bottom: var(--spacing-lg);
}

.brave1-timeline {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto var(--spacing-lg) auto;
}

.timeline-item {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.timeline-item strong {
    color: var(--ukraine-blue);
}

.application-box {
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    max-width: 600px;
    margin: var(--spacing-lg) auto;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.application-box h4 {
    color: var(--navy);
    margin-bottom: var(--spacing-sm);
}

.status-badge {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
}

.status-badge.pending {
    background: var(--warning);
    color: var(--white);
}

.brave1-footer {
    margin-top: var(--spacing-lg);
}

.brave1-footer p {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--navy);
}

/* ================================================================
   9. Contact Section
   ================================================================ */

.contact-section {
    padding: var(--spacing-xl) 0;
    background: var(--light-gray);
}

.contact-section h2 {
    text-align: center;
    color: var(--navy);
    margin-bottom: var(--spacing-md);
}

.contact-section > p {
    text-align: center;
    color: var(--medium-gray);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg) auto;
    font-size: 1.125rem;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-form {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--light-gray);
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--ukraine-blue);
    box-shadow: 0 0 0 3px rgba(0, 87, 183, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.btn-submit {
    background: var(--ukraine-blue);
    color: var(--white);
    padding: 1rem 2rem;
    width: 100%;
    font-size: 1.125rem;
    font-weight: 600;
}

.btn-submit:hover {
    background: var(--electric-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 87, 183, 0.3);
}

.contact-info {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.contact-info h3 {
    color: var(--navy);
    margin-bottom: var(--spacing-md);
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--light-gray);
}

.contact-method:last-child {
    border-bottom: none;
}

.contact-method .icon {
    font-size: 1.5rem;
    color: var(--ukraine-blue);
    flex-shrink: 0;
}

.contact-method .details h4 {
    color: var(--navy);
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.contact-method .details p {
    color: var(--medium-gray);
    margin: 0;
}

/* ================================================================
   10. Footer
   ================================================================ */

.main-footer {
    background: var(--navy);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-md) 0;
}

.footer-defense {
    background: var(--light-gray);
    color: var(--navy);
    padding: var(--spacing-lg) 0 var(--spacing-md) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
    color: var(--ukraine-blue);
    margin-bottom: var(--spacing-sm);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--dark-gray);
}

.footer-section a:hover {
    color: var(--ukraine-blue);
}

.footer-bottom {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    color: var(--dark-gray);
}

.footer-tagline {
    color: var(--steel-gray);
    font-size: 0.95rem;
    margin-top: 0.5rem;
}

.footer-ukraine {
    color: var(--ukraine-blue);
    font-weight: 600;
    margin-top: 0.5rem;
}

/* Dark footer variant (main-footer uses dark background) */
.main-footer .footer-section h4 {
    color: var(--ukraine-yellow);
}

.main-footer .footer-section a {
    color: var(--light-gray);
}

.main-footer .footer-section a:hover {
    color: var(--ukraine-yellow);
}

.main-footer .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--medium-gray);
}

/* ================================================================
   11. Responsive Design
   ================================================================ */

@media (max-width: 1024px) {
    h1 { font-size: 3rem; }
    h2 { font-size: 2rem; }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .capabilities-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 1.75rem; }

    .nav-links {
        flex-direction: column;
        gap: 0.5rem;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .hero-cta,
    .hero-ctas {
        flex-direction: column;
    }

    .capabilities-grid {
        grid-template-columns: 1fr;
    }

    .proof-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .architecture-comparison {
        grid-template-columns: 1fr;
    }

    .arch-arrow {
        display: none;
    }

    .applications-grid {
        grid-template-columns: 1fr;
    }

    .brave1-timeline {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }

    .hero-title {
        font-size: 2.5rem;
    }

    .stat-value {
        font-size: 2rem;
    }

    .proof-number {
        font-size: 2rem;
    }

    .flags {
        font-size: 3rem;
    }
}

/* ================================================================
   12. Utility Classes
   ================================================================ */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.hidden { display: none; }
.visible { display: block; }

/* ================================================================
   End of Brave1 Defense Tech Styling
   ================================================================ */