@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── Tokens ── */
:root {
    --navy-900: #070e1c;
    --navy-800: #0b1628;
    --navy-700: #0f1f3a;
    --navy-600: #152a4e;
    --navy-500: #1e3a6a;
    --blue:     #4a8fd4;
    --blue-dim: #2d6aaa;
    --text:     #e8eef6;
    --muted:    #7a93b4;
    --subtle:   #3a5070;
    --border:   rgba(74, 143, 212, 0.14);
    --border-md:rgba(74, 143, 212, 0.3);
    --shadow:   rgba(0, 0, 0, 0.5);
    --red:      #c94040;
    --red-dim:  rgba(201, 64, 64, 0.12);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--navy-800);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 28px;
}

/* ── Navbar ── */
.navbar {
    background: rgba(7, 14, 28, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: block;
    height: 110px;
    width: auto;
    opacity: 1;
    /* invert logo to white so it reads on dark background */
    filter: brightness(0) invert(1);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    transition: color 0.2s;
}

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

.nav-cta {
    color: var(--text) !important;
    background: var(--navy-500) !important;
    border: 1px solid var(--border-md) !important;
    padding: 0.5rem 1.4rem;
    border-radius: 6px;
    font-size: 0.88rem !important;
    font-weight: 600 !important;
    transition: all 0.2s !important;
}

.nav-cta:hover {
    background: var(--blue-dim) !important;
    border-color: var(--blue) !important;
    color: #fff !important;
}

/* ── Hero ── */
.hero {
    position: relative;
    padding: 96px 28px 112px;
    background: var(--navy-900);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -80px; right: -80px;
    width: 520px; height: 520px;
    background: radial-gradient(circle, rgba(74,143,212,0.12) 0%, transparent 60%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -120px; left: -60px;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(21,42,78,0.6) 0%, transparent 65%);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    color: var(--text);
    letter-spacing: -1.5px;
}

.hero-content h1 span {
    color: var(--blue);
}

.hero-content p {
    font-size: 1.05rem;
    color: var(--muted);
    margin-bottom: 2.5rem;
    line-height: 1.85;
    max-width: 460px;
}

.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image {
    width: 100%;
    border-radius: 12px;
    object-fit: cover;
    border: 1px solid var(--border);
    box-shadow: 0 32px 80px rgba(0,0,0,0.6), 0 0 0 1px var(--border);
}

/* ── CTA Button ── */
.cta-button {
    display: inline-block;
    background: var(--blue);
    color: #fff;
    padding: 0.8rem 2.2rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.92rem;
    letter-spacing: 0.02em;
    transition: all 0.25s;
    border: 1px solid var(--blue);
    cursor: pointer;
}

.cta-button:hover {
    background: #3a7fc4;
    border-color: #3a7fc4;
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(74, 143, 212, 0.35);
}

.cta-large { padding: 0.95rem 2.8rem; font-size: 0.97rem; }

/* ── Value Prop ── */
.value-prop {
    padding: 88px 28px;
    text-align: center;
    background: var(--navy-700);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.value-prop h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text);
    letter-spacing: -0.5px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.value-prop p {
    font-size: 1rem;
    color: var(--muted);
    max-width: 480px;
    margin: 0 auto;
}

/* ── Features ── */
.features {
    padding: 100px 28px;
    background: var(--navy-800);
}

.features h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    text-align: center;
    color: var(--text);
    letter-spacing: -0.5px;
}

.section-tag {
    display: block;
    text-align: center;
    color: var(--blue);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: 0.6rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1.5rem;
    margin-top: 3.5rem;
}

.feature-item {
    padding: 2rem;
    background: var(--navy-700);
    border-radius: 10px;
    border: 1px solid var(--border);
    transition: all 0.25s;
}

.feature-item:hover {
    border-color: var(--border-md);
    background: var(--navy-600);
    box-shadow: 0 8px 32px var(--shadow);
    transform: translateY(-3px);
}

.feature-icon {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--blue);
    background: rgba(74,143,212,0.1);
    border: 1px solid var(--border-md);
    border-radius: 4px;
    padding: 0.25rem 0.6rem;
    margin-bottom: 1.1rem;
    text-transform: uppercase;
}

.feature-item h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text);
}

.feature-item p {
    color: var(--muted);
    line-height: 1.8;
    font-size: 0.92rem;
}

/* ── Use Cases ── */
.use-cases {
    padding: 100px 28px;
    background: var(--navy-900);
    border-top: 1px solid var(--border);
}

.use-cases h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 3.5rem;
    text-align: center;
    color: var(--text);
    letter-spacing: -0.5px;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.use-case-card {
    background: var(--navy-700);
    padding: 2.5rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    transition: all 0.25s;
}

.use-case-card:hover {
    border-color: var(--border-md);
    background: var(--navy-600);
    box-shadow: 0 8px 32px var(--shadow);
    transform: translateY(-3px);
}

.use-case-number {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--blue);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1.2rem;
    opacity: 0.85;
}

.use-case-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.9rem;
    color: var(--text);
}

.use-case-card p {
    color: var(--muted);
    line-height: 1.8;
    font-size: 0.92rem;
}

/* ── CTA Section ── */
.cta-section {
    padding: 100px 28px;
    text-align: center;
    background: var(--navy-700);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 60%, rgba(74,143,212,0.07), transparent 60%);
    pointer-events: none;
}

.cta-section h2 {
    font-size: 2.6rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text);
    letter-spacing: -1px;
    position: relative;
}

.cta-section p {
    font-size: 1rem;
    color: var(--muted);
    margin-bottom: 2.5rem;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

/* ── About ── */
.about {
    padding: 100px 28px;
    background: var(--navy-800);
}

.about .section-tag {
    text-align: left;
    margin-bottom: 0.6rem;
}

.about h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--text);
    letter-spacing: -0.5px;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text);
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--muted);
    line-height: 1.85;
    font-size: 0.97rem;
}

.about-features {
    display: grid;
    gap: 1.2rem;
}

.feature-card {
    background: var(--navy-700);
    padding: 1.5rem 1.8rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    border-left: 3px solid var(--blue);
    transition: all 0.25s;
}

.feature-card:hover {
    transform: translateX(5px);
    background: var(--navy-600);
    border-color: var(--border-md);
    border-left-color: var(--blue);
}

.feature-card h4 {
    color: var(--text);
    margin-bottom: 0.45rem;
    font-size: 0.97rem;
    font-weight: 600;
}

.feature-card p {
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ── Contact ── */
.contact {
    padding: 100px 28px;
    background: var(--navy-900);
    border-top: 1px solid var(--border);
}

.contact h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-align: center;
    color: var(--text);
    letter-spacing: -0.5px;
}

.section-subtitle {
    display: block;
    text-align: center;
    color: var(--muted);
    margin-bottom: 3rem;
    font-size: 1rem;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--navy-700);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 24px 60px var(--shadow);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--muted);
    font-size: 0.83rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.2s;
    background: var(--navy-800);
    color: var(--text);
}

.form-group select option {
    background: var(--navy-800);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--subtle);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(74, 143, 212, 0.12);
}

.submit-button {
    width: 100%;
    padding: 0.85rem;
    background: var(--blue);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 0.92rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    cursor: pointer;
    transition: all 0.25s;
    font-family: inherit;
}

.submit-button:hover {
    background: #3a7fc4;
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(74, 143, 212, 0.35);
}

.success-message {
    background: rgba(74, 143, 212, 0.1);
    color: var(--blue);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1rem;
    text-align: center;
    border: 1px solid var(--border-md);
    font-weight: 500;
    font-size: 0.95rem;
}

/* ── Team ── */
.team {
    padding: 100px 28px;
    background: var(--navy-800);
    border-top: 1px solid var(--border);
}

.team h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-align: center;
    color: var(--text);
    letter-spacing: -0.5px;
}

.team-subtitle {
    text-align: center;
    color: var(--muted);
    margin-bottom: 3.5rem;
    font-size: 1rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.team-card {
    background: var(--navy-700);
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    text-align: center;
    transition: all 0.25s;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.team-card:hover {
    border-color: var(--border-md);
    background: var(--navy-600);
    box-shadow: 0 8px 32px var(--shadow);
    transform: translateY(-3px);
}

.team-avatar {
    width: 68px;
    height: 68px;
    background: var(--navy-500);
    color: var(--blue);
    border-radius: 50%;
    border: 1px solid var(--border-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.88rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    letter-spacing: 0.04em;
}

.team-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.25rem;
}

.team-role {
    color: var(--blue);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.9rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.team-bio {
    color: var(--muted);
    font-size: 0.88rem;
    line-height: 1.65;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.team-link {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 500;
    border: 1px solid var(--border);
    padding: 0.3rem 1rem;
    border-radius: 4px;
    transition: all 0.2s;
}

.team-link:hover {
    color: var(--blue);
    border-color: var(--border-md);
}

/* ── Value prop red rule ── */
.value-prop::after {
    content: '';
    display: block;
    width: 36px;
    height: 2px;
    background: var(--red);
    border-radius: 1px;
    margin: 1.6rem auto 0;
    opacity: 0.75;
}


/* live dot */
.live-dot {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--muted);
    letter-spacing: 0.04em;
    margin-bottom: 1.4rem;
}

.live-dot::before {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--red);
    box-shadow: 0 0 6px rgba(201, 64, 64, 0.7);
    flex-shrink: 0;
    animation: pulse-red 2s ease-in-out infinite;
}

@keyframes pulse-red {
    0%, 100% { opacity: 1; box-shadow: 0 0 6px rgba(201, 64, 64, 0.7); }
    50%       { opacity: 0.6; box-shadow: 0 0 12px rgba(201, 64, 64, 0.4); }
}

/* footer red rule */
.footer-rule {
    display: block;
    width: 28px;
    height: 2px;
    background: var(--red);
    margin: 0.6rem auto 0.4rem;
    border-radius: 1px;
    opacity: 0.7;
}

/* Red rule beneath hero h1 */
.hero-content h1::after {
    content: '';
    display: block;
    width: 40px;
    height: 2px;
    background: var(--red);
    border-radius: 1px;
    margin-top: 1.1rem;
    opacity: 0.65;
}

/* Red rule beneath section h2 headings */
.red-rule::after {
    content: '';
    display: block;
    width: 32px;
    height: 2px;
    background: var(--red);
    border-radius: 1px;
    margin-top: 0.9rem;
    opacity: 0.65;
}

/* Red divider line at top of CTA section */
.cta-section {
    border-top: 1px solid rgba(201, 64, 64, 0.28);
}

/* ── Footer ── */
.footer {
    background: var(--navy-900);
    border-top: 1px solid var(--border);
    color: var(--subtle);
    text-align: center;
    padding: 2rem;
}

.footer p { margin: 0.35rem 0; font-size: 0.85rem; }

/* ── Responsive ── */
@media (max-width: 768px) {
    .hero-grid,
    .about-content { grid-template-columns: 1fr; gap: 2.5rem; }

    .hero-content h1 { font-size: 2.1rem; }
    .hero-content p  { font-size: 0.97rem; }

    .features h2,
    .use-cases h2,
    .value-prop h2,
    .cta-section h2 { font-size: 1.8rem; }

    .features-grid,
    .use-cases-grid { grid-template-columns: 1fr; }

    .use-cases-grid { grid-template-columns: 1fr; }

    .contact-form { padding: 1.5rem; }

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

    .nav-cta { width: 100%; text-align: center; }

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

    .nav-wrapper { height: 70px; }
    .logo { height: 90px; }
}