/* BSPHub Landing Page — v3 */

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: #2a2a2a;
    line-height: 1.6;
    background: #fff;
    overflow-x: hidden;
}

:focus-visible {
    outline: 2px solid #D78B00;
    outline-offset: 2px;
}

/* ========== Navigation ========== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(28, 21, 82, 0.97);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo { height: 32px; }

.nav-title {
    color: #fff;
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover { color: #fff; }

.nav-signin {
    color: #fff;
    text-decoration: none;
    padding: 7px 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 5px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s;
}

.nav-signin:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    flex-direction: column;
    gap: 5px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    border-radius: 1px;
    transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ========== Buttons ========== */

.btn {
    display: inline-block;
    padding: 13px 30px;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: #D78B00;
    color: #fff;
    border: 2px solid #D78B00;
}

.btn-primary:hover {
    background: #c07800;
    border-color: #c07800;
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.35);
}

.btn-outline:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.07);
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1.05rem;
}

/* ========== Shared ========== */

.section-lead {
    text-align: center;
    font-size: 1.05rem;
    color: #555;
    max-width: 600px;
    margin: 0 auto 48px;
    line-height: 1.65;
}

/* ========== Hero ========== */

.hero {
    background: linear-gradient(135deg, #1C1552 0%, #2B2172 50%, #352b9e 100%);
    color: #fff;
    padding: 140px 24px 100px;
    text-align: center;
}

.hero-inner {
    max-width: 780px;
    margin: 0 auto;
}

.hero-eyebrow {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.78);
    max-width: 640px;
    margin: 0 auto 40px;
    line-height: 1.65;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========== Stats ========== */

.stats {
    background: #f7f6fb;
    border-bottom: 1px solid #e8e6f0;
}

.stats-inner {
    max-width: 800px;
    margin: 0 auto;
    padding: 44px 24px;
    display: flex;
    justify-content: center;
    gap: 64px;
    flex-wrap: wrap;
}

.stat { text-align: center; }

.stat-number {
    display: block;
    font-size: 2.4rem;
    font-weight: 700;
    color: #1C1552;
    line-height: 1.1;
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: #777;
    margin-top: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ========== Vision ========== */

.vision {
    padding: 80px 24px;
    overflow: hidden;
}

.vision-inner {
    max-width: 900px;
    margin: 0 auto;
}

.vision h2 {
    font-size: 2rem;
    color: #1C1552;
    text-align: center;
    margin-bottom: 24px;
}

.vision-lead {
    font-size: 1.15rem;
    color: #444;
    text-align: center;
    max-width: 720px;
    margin: 0 auto 16px;
    font-style: italic;
    line-height: 1.7;
}

.vision-body {
    font-size: 1.02rem;
    color: #555;
    text-align: center;
    max-width: 720px;
    margin: 0 auto 52px;
    line-height: 1.7;
}

.pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.pillar {
    padding: 32px 24px;
    border-radius: 8px;
    border: 1px solid #eee;
    background: #fdfcff;
    transition: box-shadow 0.2s;
}

.pillar:hover {
    box-shadow: 0 4px 20px rgba(28, 21, 82, 0.07);
}

.pillar h3 {
    font-size: 1.05rem;
    color: #1C1552;
    margin-bottom: 10px;
    font-weight: 600;
}

.pillar p {
    font-size: 0.92rem;
    color: #555;
    line-height: 1.6;
}

/* ========== Partnerships ========== */

.partnerships {
    background: #f7f6fb;
    padding: 80px 24px;
    overflow: hidden;
}

.partnerships-inner {
    max-width: 1000px;
    margin: 0 auto;
}

.partnerships h2 {
    font-size: 2rem;
    color: #1C1552;
    text-align: center;
    margin-bottom: 16px;
}

.partnership-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.partnership-card {
    padding: 28px 24px;
    background: #fff;
    border-radius: 8px;
    border: 1px solid #e8e6f0;
}

.partnership-card h3 {
    font-size: 1.05rem;
    color: #1C1552;
    font-weight: 600;
    margin-bottom: 10px;
}

.partnership-card p {
    font-size: 0.92rem;
    color: #555;
    line-height: 1.6;
}

/* ========== How We Learn and Connect ========== */

.how-we-work {
    background: #1C1552;
    color: #fff;
    padding: 80px 24px;
    overflow: hidden;
}

.how-we-work .how-inner {
    max-width: 850px;
    margin: 0 auto;
}

.how-we-work h2 {
    font-size: 2rem;
    color: #fff;
    text-align: center;
    margin-bottom: 48px;
}

.how-blocks {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.how-block {
    padding: 32px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 8px;
    border-left: 3px solid #D78B00;
}

.how-block h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: #fff;
}

.how-block p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.82);
}

/* ========== Available Now ========== */

.available {
    padding: 80px 24px;
    overflow: hidden;
}

.available-inner {
    max-width: 900px;
    margin: 0 auto;
}

.available h2 {
    font-size: 2rem;
    color: #1C1552;
    text-align: center;
    margin-bottom: 16px;
}

.available-grid {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.available-feature {
    padding: 28px 32px;
    border-radius: 8px;
    border: 1px solid #e0deea;
    background: #fdfcff;
    position: relative;
}

.feature-badge {
    position: absolute;
    top: 16px;
    right: 20px;
    background: #1a8c4e;
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 3px 10px;
    border-radius: 3px;
}

.available-feature h3 {
    font-size: 1.05rem;
    color: #1C1552;
    margin-bottom: 8px;
    font-weight: 600;
    padding-right: 70px;
}

.available-feature p {
    font-size: 0.92rem;
    color: #555;
    line-height: 1.65;
}

.available-cta {
    text-align: center;
    margin-top: 36px;
}

/* ========== Sustainability ========== */

.sustainability {
    padding: 80px 24px;
    background: #f7f6fb;
    overflow: hidden;
}

.sustainability-inner {
    max-width: 750px;
    margin: 0 auto;
}

.sustainability h2 {
    font-size: 1.8rem;
    color: #1C1552;
    margin-bottom: 32px;
    line-height: 1.35;
    text-align: center;
}

.sustain-content p {
    font-size: 1rem;
    color: #444;
    line-height: 1.75;
    margin-bottom: 20px;
}

.sustain-content p:last-child {
    margin-bottom: 0;
}

/* ========== Roadmap ========== */

.roadmap {
    padding: 80px 24px;
    overflow: hidden;
}

.roadmap-inner {
    max-width: 700px;
    margin: 0 auto;
}

.roadmap h2 {
    font-size: 2rem;
    color: #1C1552;
    text-align: center;
    margin-bottom: 16px;
}

.roadmap-items {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
    margin-left: 24px;
    padding-left: 32px;
    border-left: 2px solid #d0cde0;
}

.roadmap-item {
    padding: 20px 0;
    position: relative;
}

.roadmap-marker {
    position: absolute;
    left: -41px;
    top: 24px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid #1C1552;
}

.roadmap-content h3 {
    font-size: 1rem;
    color: #1C1552;
    margin-bottom: 6px;
    font-weight: 600;
}

.roadmap-content p {
    font-size: 0.9rem;
    color: #555;
    line-height: 1.6;
}

/* ========== Audience ========== */

.audience {
    padding: 80px 24px;
    background: #f7f6fb;
    overflow: hidden;
}

.audience-inner {
    max-width: 1000px;
    margin: 0 auto;
}

.audience h2 {
    font-size: 2rem;
    color: #1C1552;
    text-align: center;
    margin-bottom: 40px;
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.audience-card {
    padding: 24px 20px;
    border-left: 3px solid #D78B00;
    background: #fff;
    border-radius: 0 6px 6px 0;
}

.audience-card h3 {
    font-size: 0.95rem;
    color: #1C1552;
    margin-bottom: 8px;
    font-weight: 600;
}

.audience-card p {
    font-size: 0.88rem;
    color: #555;
    line-height: 1.55;
}

/* ========== CTA ========== */

.cta {
    background: linear-gradient(135deg, #1C1552 0%, #2B2172 100%);
    color: #fff;
    text-align: center;
    padding: 80px 24px;
}

.cta-inner {
    max-width: 600px;
    margin: 0 auto;
}

.cta h2 {
    font-size: 2rem;
    margin-bottom: 12px;
}

.cta p {
    color: rgba(255, 255, 255, 0.72);
    margin-bottom: 32px;
    font-size: 1.05rem;
    line-height: 1.6;
}

/* ========== Footer ========== */

.footer {
    background: #0e0b2e;
    color: rgba(255, 255, 255, 0.55);
    padding: 40px 24px;
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 40px;
    align-items: start;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.footer-logo {
    height: 36px;
    opacity: 0.75;
}

.footer-brand strong {
    color: #fff;
    font-size: 1rem;
    display: block;
    margin-bottom: 3px;
}

.footer-brand p { font-size: 0.8rem; }

.footer-brand a {
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
}

.footer-brand a:hover { color: #D78B00; }

.footer-about {
    font-size: 0.78rem;
    line-height: 1.55;
    max-width: 400px;
}

.footer-about strong { color: rgba(255, 255, 255, 0.75); }

.footer-meta {
    text-align: right;
    font-size: 0.75rem;
    line-height: 1.5;
}

.footer-meta p {
    max-width: 300px;
    margin-left: auto;
}

.footer-copy {
    margin-top: 10px;
    opacity: 0.5;
}

/* ========== Responsive ========== */

@media (max-width: 900px) {
    .hero h1 { font-size: 2.2rem; }

    .pillars { grid-template-columns: 1fr; gap: 20px; }

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

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

    .how-blocks { gap: 20px; }

    .how-block { padding: 24px; }

    .footer-inner { grid-template-columns: 1fr; gap: 24px; }

    .footer-meta { text-align: left; }

    .footer-meta p { margin-left: 0; }

    .nav-toggle { display: flex; }

    .nav-links {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(28, 21, 82, 0.98);
        flex-direction: column;
        padding: 16px 24px 20px;
        gap: 0;
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }

    .nav-links.open { display: flex; }

    .nav-link {
        display: block;
        padding: 12px 0;
        font-size: 0.95rem;
        border-bottom: 1px solid rgba(255,255,255,0.06);
    }

    .nav-signin {
        display: block;
        text-align: center;
        margin-top: 12px;
    }
}

@media (max-width: 600px) {
    .hero { padding: 120px 20px 64px; }

    .hero h1 { font-size: 1.75rem; }

    .hero-subtitle { font-size: 1rem; }

    .stat-number { font-size: 1.9rem; }

    .stats-inner { gap: 32px; }

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

    .how-block { padding: 20px; }

    .available-feature { padding: 20px; }

    .available-feature h3 { padding-right: 0; }

    .feature-badge { position: static; display: inline-block; margin-bottom: 10px; }

    .vision h2, .partnerships h2, .available h2,
    .roadmap h2, .audience h2, .cta h2,
    .how-we-work h2, .sustainability h2 {
        font-size: 1.6rem;
    }

    .roadmap-items { margin-left: 8px; padding-left: 24px; }

    .roadmap-marker { left: -33px; }
}