:root {
    --primary-color: #2B5876;
    --secondary-color: #4E95C7;
    --accent-color: #E8C4A0;
    --shtf-primary: #5e7886;
    --shtf-accent: #f04c3c;
    --dark-bg: #060d1f;
    --text-light: #FFFFFF;
    --text-dark: #1A1A1A;
    --glass-bg: rgba(255, 255, 255, 0.04);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glow-blue: rgba(78, 149, 199, 0.3);
    --glow-purple: rgba(139, 92, 246, 0.2);
    --glow-teal: rgba(45, 212, 191, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-light);
    padding-top: 70px;
    background: var(--dark-bg);
    overflow-x: hidden;
}

/* Scroll-based fade-in animation */
.fade-in-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Navigation — frosted glass */
.navbar {
    background: rgba(6, 13, 31, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

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

.logo-container {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light);
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
    transition: color 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--secondary-color), #8b5cf6);
    border-radius: 1px;
    transition: width 0.3s ease;
}

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

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-light);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ===== Hero Section ===== */
.hero-section {
    background: linear-gradient(160deg, #060d1f 0%, #0f1b3d 30%, #132040 60%, #0a1128 100%);
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 2rem;
    position: relative;
    overflow: hidden;
}

/* Animated aurora blobs */
.hero-section::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(78, 149, 199, 0.25) 0%, transparent 70%);
    top: -10%;
    left: -10%;
    border-radius: 50%;
    animation: aurora1 12s ease-in-out infinite alternate;
    filter: blur(80px);
}

.hero-section::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.2) 0%, transparent 70%);
    bottom: -15%;
    right: -5%;
    border-radius: 50%;
    animation: aurora2 10s ease-in-out infinite alternate;
    filter: blur(80px);
}

/* Star field layer */
.hero-stars {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(2px 2px at 15% 25%, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(1px 1px at 78% 42%, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(2px 2px at 34% 67%, rgba(255, 255, 255, 0.5), transparent),
        radial-gradient(1px 1px at 91% 15%, rgba(255, 255, 255, 0.7), transparent),
        radial-gradient(1.5px 1.5px at 52% 88%, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(1px 1px at 8% 53%, rgba(255, 255, 255, 0.5), transparent),
        radial-gradient(1.5px 1.5px at 67% 31%, rgba(255, 255, 255, 0.7), transparent),
        radial-gradient(1px 1px at 23% 72%, rgba(255, 255, 255, 0.4), transparent),
        radial-gradient(1px 1px at 88% 61%, rgba(255, 255, 255, 0.5), transparent),
        radial-gradient(2px 2px at 45% 9%, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(1px 1px at 12% 81%, rgba(255, 255, 255, 0.4), transparent),
        radial-gradient(1.5px 1.5px at 73% 54%, rgba(255, 255, 255, 0.6), transparent);
    background-size: 400px 400px, 350px 350px, 450px 420px, 380px 390px, 420px 410px,
                     390px 380px, 410px 450px, 360px 370px, 440px 400px, 370px 430px,
                     430px 360px, 400px 440px;
    animation: starDrift 40s linear infinite;
    opacity: 0.5;
}

@keyframes starDrift {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 200px); }
}

@keyframes aurora1 {
    0% { transform: translate(0, 0) scale(1); opacity: 0.6; }
    50% { transform: translate(80px, 40px) scale(1.2); opacity: 0.8; }
    100% { transform: translate(30px, -20px) scale(1.05); opacity: 0.5; }
}

@keyframes aurora2 {
    0% { transform: translate(0, 0) scale(1); opacity: 0.5; }
    50% { transform: translate(-60px, -30px) scale(1.15); opacity: 0.7; }
    100% { transform: translate(-20px, 20px) scale(0.95); opacity: 0.4; }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero-section h1 {
    font-size: 4.5rem;
    font-weight: 800;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, #ffffff 0%, #b8d4e8 50%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-tagline {
    font-size: 1.35rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 400;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ===== Section shared dark theme ===== */
.product-section {
    background: linear-gradient(180deg, #0a1128 0%, #101d3a 50%, #0d1730 100%);
    padding: 5rem 2rem;
    position: relative;
}

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

.section-title {
    color: var(--text-light);
    font-size: 2rem;
    margin-bottom: 3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.product-section .section-title {
    color: var(--text-light);
    text-align: center;
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: stretch;
}

.product-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 1.5rem;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border: 1px solid var(--glass-border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(78, 149, 199, 0.15);
    border-color: rgba(255, 255, 255, 0.12);
}

.product-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: center;
}

.product-logo img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
}

.product-logo h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-light);
}

.product-description {
    color: #e0e0e0;
    font-size: 1rem;
    margin-bottom: 1rem;
    text-align: center;
}

.product-link {
    color: var(--shtf-accent);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    margin-bottom: 2rem;
    transition: color 0.3s;
}

.product-link:hover {
    color: #d63e2f;
    text-decoration: underline;
}

.coming-soon-text {
    color: #e0e0e0;
    font-size: 1rem;
    margin-bottom: 1rem;
    text-align: center;
}

.product-site {
    color: #e0e0e0;
    display: flex;
    flex-direction: row;
    font-size: 1rem;
    margin-inline: auto;
    gap: .4rem;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
}

.store-badge {
    display: block;
    height: 60px;
    transition: transform 0.2s, opacity 0.2s;
}

.store-badge:nth-child(2) {
    height: 80px;
}

.store-badge:not(.disabled):hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.store-badge.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.store-badge img {
    height: 100%;
    width: auto;
    display: block;
}

.product-image-card {
    background: rgba(78, 149, 199, 0.15);
    border-radius: 1.5rem;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--glass-border);
    transition: transform 0.3s ease;
}

.product-image-card:hover {
    transform: scale(1.02);
}

.product-image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Leadership Section */
.leadership-section {
    background: linear-gradient(180deg, #0d1730 0%, #111f42 50%, #0a1428 100%);
    padding: 5rem 2rem;
    color: var(--text-light);
    position: relative;
    overflow: hidden;
}

/* Subtle decorative glow for leadership */
.leadership-section::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.12) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    border-radius: 50%;
    filter: blur(60px);
}

.leadership-section .section-title {
    color: var(--text-light);
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.leadership-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.leader-card {
    text-align: center;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 1.5rem;
    padding: 2.5rem 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.leader-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 50px rgba(139, 92, 246, 0.1);
    border-color: rgba(255, 255, 255, 0.12);
}

.leader-image {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    overflow: hidden;
    border: 3px solid rgba(78, 149, 199, 0.5);
    box-shadow: 0 0 30px rgba(78, 149, 199, 0.2);
    transition: box-shadow 0.3s ease;
}

.leader-card:hover .leader-image {
    box-shadow: 0 0 40px rgba(78, 149, 199, 0.35);
}

.leader-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.leader-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.leader-title {
    font-size: 1.1rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.leader-bio {
    font-size: 1rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.6);
}

/* Contact Section */
.contact-section {
    background: linear-gradient(180deg, #0a1428 0%, #0e1a35 50%, #0b152a 100%);
    padding: 5rem 2rem;
    color: var(--text-light);
    position: relative;
    overflow: hidden;
}

.contact-section::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(45, 212, 191, 0.08) 0%, transparent 70%);
    bottom: -150px;
    left: -150px;
    border-radius: 50%;
    filter: blur(60px);
}

.contact-section .section-title {
    color: var(--text-light);
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
}

.contact-intro {
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-light);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(78, 149, 199, 0.5);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(78, 149, 199, 0.1);
}

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

.submit-btn {
    background: linear-gradient(135deg, var(--secondary-color), #8b5cf6);
    color: var(--text-light);
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
    margin: 0 auto;
    box-shadow: 0 4px 20px rgba(78, 149, 199, 0.3);
}

.submit-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(78, 149, 199, 0.4);
    filter: brightness(1.1);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.submit-btn i {
    font-size: 1.2rem;
}

.form-status {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 0.5rem;
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-status.success {
    display: block;
    background: rgba(40, 167, 69, 0.15);
    color: #5cd785;
    border: 1px solid rgba(92, 215, 133, 0.3);
    border-radius: 0.75rem;
}

.form-status.error {
    display: block;
    background: rgba(220, 53, 69, 0.15);
    color: #ff6b7a;
    border: 1px solid rgba(255, 107, 122, 0.3);
    border-radius: 0.75rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding-top: 60px;
    }

    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(6, 13, 31, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 1rem;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
    }

    .nav-links.active {
        max-height: 300px;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .nav-links a::after {
        display: none;
    }

    .hero-section {
        min-height: 50vh;
        padding: 3rem 1rem;
    }

    .hero-section h1 {
        font-size: 2.5rem;
    }

    .hero-tagline {
        font-size: 1.1rem;
    }

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

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

    .section-title {
        font-size: 1.8rem;
    }

    .contact-section .section-title {
        font-size: 2rem;
    }

    .logo-text {
        font-size: 1.2rem;
    }
}

/* Footer area — subtle gradient divider at bottom */
body::after {
    content: '';
    display: block;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(78, 149, 199, 0.3), rgba(139, 92, 246, 0.3), transparent);
}