@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* --- Root Variables for Theming --- */
:root {
    --bg-dark: #0D1117;
    --bg-light: #F6F8FA;
    --text-dark: #E6EDF3;
    --text-light: #24292F;
    --accent-color: #388BFD;
    --accent-hover: #58A6FF;
    --card-bg-dark: rgba(36, 41, 47, 0.5);
    --card-bg-light: #FFFFFF;
    --border-dark: rgba(255, 255, 255, 0.1);
    --border-light: #D0D7DE;
    --shadow-light: rgba(140, 149, 159, 0.15);
    --shadow-dark: rgba(0, 0, 0, 0.4);
    --transition-speed: 0.3s;
}

/* --- Base & Reset --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', sans-serif;
    line-height: 1.7;
    background-color: var(--bg-dark);
    color: var(--text-dark);
    transition: background-color var(--transition-speed), color var(--transition-speed);
}
body.light {
    background-color: var(--bg-light);
    color: var(--text-light);
}
h1, h2, h3, h4 { line-height: 1.3; margin-bottom: 1rem; font-weight: 700; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }
p { margin-bottom: 1rem; }
a { color: var(--accent-color); text-decoration: none; }
.content-section { padding: 6rem 2rem; max-width: 1200px; margin: 0 auto; text-align: center; }
.section-header { margin-bottom: 4rem; max-width: 700px; margin-left: auto; margin-right: auto; }
.section-header p { font-size: 1.1rem; color: #8b949e; }
body.light .section-header p { color: #57606a; }


/* --- Navigation (Always Dark) --- */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: rgba(13, 17, 23, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-dark);
}
.nav-brand { 
    font-size: 1.25rem; 
    font-weight: 600; 
    color: var(--text-dark); 
    display: flex; 
    align-items: center; 
    gap: 0.75rem;
    position: relative;
    z-index: 1001;
}
.nav-brand img { 
    height: 64px; 
    width: auto; 
    transform: translateY(20px);
}
.nav-menu { display: flex; list-style: none; gap: 2rem; margin-left: auto; align-items: center; }
.nav-menu a { color: var(--text-dark); transition: color var(--transition-speed); display: flex; align-items: center; gap: 0.5rem; font-weight: 500; }
.nav-menu a:hover { color: var(--accent-hover); }
.nav-menu i { font-size: 1.2rem; }
#theme-toggle {
    background: none; 
    border: 1px solid var(--border-dark); 
    color: var(--text-dark); 
    font-size: 1.2rem; 
    width: 40px; 
    height: 40px; 
    cursor: pointer; 
    border-radius: 50%; 
    transition: all var(--transition-speed); 
    display: grid; 
    place-items: center;
}
#theme-toggle:hover { 
    border-color: var(--accent-color); 
    color: var(--accent-color); 
    transform: rotate(15deg) scale(1.1); 
}


/* --- Hero Section --- */
.hero {
    position: relative;
    width: 100%;
    height: 55vh;
    min-height: 450px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
    overflow: hidden;
    padding: 0 5%;
}
#particle-canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; }
.hero-video { position: absolute; top: 50%; left: 50%; width: auto; height: 100%; min-width: 100%; transform: translate(-50%, -50%); object-fit: cover; z-index: -1; }
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(90deg, rgba(13, 17, 23, 0.9) 0%, rgba(13, 17, 23, 0.7) 40%, transparent 100%); z-index: 1; }
body.light .hero-overlay { background: linear-gradient(90deg, rgba(246, 248, 250, 0.8) 0%, rgba(246, 248, 250, 0.6) 40%, transparent 100%); }
.hero-content { position: relative; z-index: 2; max-width: 650px; }
.hero-content h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); color: #fff; text-shadow: 0 2px 10px var(--shadow-dark); }
body.light .hero-content h1 { color: var(--text-light); text-shadow: 0 2px 8px var(--shadow-light); }
.hero-content p { font-size: clamp(1rem, 2vw, 1.25rem); color: var(--text-dark); text-shadow: 0 1px 5px var(--shadow-dark); max-width: 90%; }
body.light .hero-content p { color: #57606a; text-shadow: none; }

/* --- Generic Card Style --- */
.feature-card, .value-card, .advantage-card {
    background-color: var(--card-bg-dark);
    border: 1px solid var(--border-dark);
    border-radius: 12px;
    padding: 2rem;
    text-align: left;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed), border-color var(--transition-speed);
}
body.light .feature-card, body.light .value-card, body.light .advantage-card {
    background-color: var(--card-bg-light);
    border-color: var(--border-light);
    box-shadow: 0 4px 12px var(--shadow-light);
}
.feature-card:hover, .value-card:hover, .advantage-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-color);
    box-shadow: 0 8px 30px rgba(56, 139, 253, 0.2);
}
body.light .feature-card:hover, body.light .value-card:hover, body.light .advantage-card:hover {
    box-shadow: 0 8px 24px var(--shadow-light);
}

/* --- Product (Features) Section --- */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.feature-card h3 { color: var(--accent-hover); }
body.light .feature-card h3 { color: var(--accent-color); }
.feature-card .icon { font-size: 2.5rem; color: var(--accent-color); margin-bottom: 1rem; }

/* --- About Section --- */
.mission-solution-wrapper { margin-top: 4rem; display: grid; grid-template-columns: 1fr 1.2fr; gap: 4rem; align-items: center; text-align: left; }
.mission-image img { width: 100%; height: auto; border-radius: 12px; }
.mission-content h3 { color: var(--accent-color); }

/* Value Section */
.value-section { margin: 6rem auto; }
.value-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; }
.value-card { text-align: center; }
.value-icon { font-size: 2.5rem; color: var(--accent-color); }
.value-metric { font-size: 3rem; font-weight: 700; color: var(--accent-hover); margin: 0.5rem 0; }
.value-label { font-size: 1.1rem; font-weight: 600; margin: 0.5rem 0; }
.value-desc { font-size: 0.9rem; opacity: 0.8; }

/* Pillars Section */
.pillars { max-width: 1000px; margin: 4rem auto; padding: 3rem; border-radius: 12px; border-left: 4px solid var(--accent-color); background: var(--card-bg-dark); }
body.light .pillars { background: var(--card-bg-light); border: 1px solid var(--border-light); border-left-width: 4px; }
.pillar-list { list-style: none; text-align: left; }
.pillar-list li { display: flex; align-items: flex-start; gap: 1.5rem; padding: 1rem 0; }
.pillar-list li:not(:last-child) { border-bottom: 1px solid var(--border-dark); }
body.light .pillar-list li:not(:last-child) { border-bottom-color: var(--border-light); }
.pillar-list i { font-size: 1.5rem; color: var(--accent-color); margin-top: 4px; }
.pillar-list strong { color: var(--text-dark); }
body.light .pillar-list strong { color: var(--text-light); }

/* Company Lore Section */
.company-lore { max-width: 900px; margin: 4rem auto; text-align: center; padding: 3rem; background: var(--card-bg-dark); border-radius: 12px; border: 1px solid var(--border-dark); }
body.light .company-lore { background: var(--card-bg-light); border-color: var(--border-light); }
.lore-icon { font-size: 3rem; color: var(--accent-color); }
.company-lore h3 { color: var(--accent-hover); }
.company-lore p { max-width: 700px; margin: 0 auto; opacity: 0.9; }

/* --- Financial Impact Section --- */
.financial-impact { background-color: rgba(13, 17, 23, 0.5); }
body.light .financial-impact { background-color: #F6F8FA; }
.impact-layout { display: grid; grid-template-columns: 1.5fr 1fr; gap: 4rem; align-items: center; text-align: left; }
.impact-stats { display: flex; flex-direction: column; gap: 2.5rem; }
.stat-number { font-size: 3.5rem; font-weight: 700; color: var(--accent-hover); display: block; line-height: 1; }
.stat-item p { font-size: 1rem; opacity: 0.9; margin: 0.5rem 0 0 0; }
.impact-graphic { display: flex; flex-direction: column; align-items: center; justify-content: center; background: var(--card-bg-dark); border: 1px solid var(--border-dark); border-radius: 12px; min-height: 300px; padding: 2rem; }
body.light .impact-graphic { background: var(--card-bg-light); border-color: var(--border-light); }
.impact-graphic i { font-size: 6rem; color: var(--accent-color); }
.impact-graphic p { font-size: 0.9rem; color: #8b949e; margin-top: 1rem; }

/* --- Use Cases/Applications Section --- */
.applications-layout { display: grid; grid-template-columns: 1fr 1.5fr; gap: 4rem; align-items: center; }
.applications-graphic { display: flex; flex-direction: column; align-items: center; justify-content: center; background: var(--card-bg-dark); border: 1px solid var(--border-dark); border-radius: 12px; min-height: 350px; padding: 2rem; }
body.light .applications-graphic { background: var(--card-bg-light); border-color: var(--border-light); }
.applications-graphic i { font-size: 7rem; color: var(--accent-color); }
.applications-graphic p { font-size: 0.9rem; color: #8b949e; margin-top: 1rem; }
.applications-list { list-style: none; text-align: left; display: flex; flex-direction: column; gap: 1.5rem; }
.applications-list h4 { display: flex; align-items: center; gap: 0.75rem; color: var(--accent-hover); }
.applications-list i { font-size: 1.3rem; }
.applications-list p { opacity: 0.9; margin: 0; }

/* --- UPDATED: Team Section --- */
.team { background-color: rgba(13, 17, 23, 0.5); }
body.light .team { background-color: #F6F8FA; }
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 2rem; align-items: stretch; } /* Added align-items: stretch */
.team-member { text-align: center; background: var(--card-bg-dark); border: 1px solid var(--border-dark); border-radius: 12px; padding: 2rem; transition: all var(--transition-speed); display: flex; flex-direction: column; }
body.light .team-member { background: var(--card-bg-light); border-color: var(--border-light); }
.team-member:hover { transform: translateY(-8px); box-shadow: 0 8px 30px rgba(56, 139, 253, 0.2); }
.team-member-avatar { width: 80px; height: 80px; border-radius: 50%; background-color: var(--border-dark); margin: 0 auto 1.5rem; overflow: hidden; flex-shrink: 0; }
.team-member-avatar img { width: 100%; height: 100%; object-fit: cover; }
.team-member h3 { font-size: 1.25rem; }
.team-member .title { font-weight: 500; opacity: 0.9; margin-bottom: 1rem; }
.bio-wrapper { flex-grow: 1; } /* Makes the bio wrapper take up available space */
.bio-short { color: #8b949e; }
body.light .bio-short { color: #57606a; }
.bio-full { display: none; text-align: left; font-size: 0.95rem; }
.read-more-btn { background: none; border: 1px solid var(--border-dark); color: var(--accent-color); padding: 0.5rem 1rem; border-radius: 6px; cursor: pointer; margin-top: auto; /* Pushes button to the bottom */ font-weight: 500; transition: background-color var(--transition-speed), color var(--transition-speed); }
body.light .read-more-btn { border-color: var(--border-light); }
.read-more-btn:hover { background-color: var(--accent-color); color: #fff; }

.team-member-details { margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border-dark); }
body.light .team-member-details { border-top-color: var(--border-light); }
.team-member-details h4 { font-size: 1rem; font-weight: 600; text-align: left; margin-bottom: 0.75rem; color: var(--accent-hover); }
.social-links { list-style: none; display: flex; gap: 1rem; justify-content: flex-start; margin-bottom: 1.5rem; padding: 0; }
.social-links a { color: #8b949e; display: inline-block; }
.social-links a:hover { color: var(--accent-hover); transform: scale(1.1); }
.social-links svg { width: 22px; height: 22px; fill: currentColor; transition: transform 0.2s; }

.publications-links ul { list-style: none; text-align: left; font-size: 0.9rem; padding: 0; }
.publications-links li { margin-bottom: 0.5rem; color: #8b949e; }
body.light .publications-links li { color: #57606a; }

/* --- Competitive Advantage Section --- */
.advantage-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2rem; }
.advantage-card h4 { color: var(--accent-hover); }

/* --- Contact Section --- */
.contact-wrapper {
    max-width: 650px;
    margin: 0 auto;
    background-color: var(--card-bg-dark);
    border: 1px solid var(--border-dark);
    padding: 3rem;
    border-radius: 16px;
}
body.light .contact-wrapper { background-color: var(--card-bg-light); border-color: var(--border-light); }
.contact-wrapper p { max-width: 450px; margin: 0 auto 2rem; color: #8b949e; }
.contact-form { display: flex; flex-direction: column; gap: 1.5rem; text-align: left; }
.form-group { display: flex; flex-direction: column; }
.form-group label { margin-bottom: 0.5rem; font-weight: 500; font-size: 0.9rem; }
.contact input, .contact textarea {
    padding: 0.9rem 1rem;
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    background-color: var(--bg-dark);
    color: var(--text-dark);
    transition: border-color var(--transition-speed), background-color var(--transition-speed);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
}
body.light .contact input, body.light .contact textarea { background-color: #F6F8FA; border-color: var(--border-light); color: var(--text-light); }
.contact input:focus, .contact textarea:focus { outline: none; border-color: var(--accent-color); }
.submit-btn {
    background-color: var(--accent-color);
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    cursor: pointer;
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
}
.submit-btn:hover { background-color: var(--accent-hover); transform: translateY(-2px); }
#form-status { margin-top: 1rem; min-height: 1.5em; text-align: center; }

/* --- Footer --- */

/* --- Hamburger Menu --- */
.hamburger {
    display: none;
    background: none;
    border: 1px solid var(--border-dark);
    color: var(--text-dark);
    font-size: 1.5rem;
    cursor: pointer;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    place-items: center;
}
.hamburger:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}
.nav-menu.show {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: rgba(13, 17, 23, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-dark);
}
.footer { text-align: center; padding: 2rem; background: var(--bg-dark); color: #8b949e; border-top: 1px solid var(--border-dark); }
body.light .footer { background: var(--bg-light); border-top-color: var(--border-light); }

/* --- Responsive Adjustments --- */
@media (max-width: 992px) {
    .mission-solution-wrapper { grid-template-columns: 1fr; }
    .mission-image { order: -1; max-width: 500px; margin: 0 auto; }
    .mission-content { text-align: center; }
    .impact-layout, .applications-layout { grid-template-columns: 1fr; }
    .impact-graphic { order: -1; }
}
@media (max-width: 768px) {
    .navbar {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    .nav-menu { display: none; }
    .hamburger { display: grid; }
    #theme-toggle { margin-left: 1rem; }
    main { padding-top: 80px; }
    .content-section { padding: 4rem 1rem; }
    .contact-wrapper { padding: 2rem; }
}