/* ==============================
   OBT HEADER
   ============================== */

.obt-header {
    background: #020617; /* very dark slate */
    border-bottom: 1px solid rgba(15,23,42,0.95);
    box-shadow: 0 10px 30px rgba(15,23,42,0.8);
}

.obt-header-inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0.9rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.obt-brand {
    text-decoration: none;
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.obt-brand-title {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #f9fafb;
}

.obt-brand-subtitle {
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #64748b;
    margin-top: 0.25rem;
}

.obt-nav {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.obt-nav-link {
    font-size: 0.85rem;
    color: #cbd5f5;
    text-decoration: none;
    position: relative;
    padding-bottom: 0.15rem;
}

.obt-nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    height: 2px;
    width: 0;
    background: linear-gradient(135deg, #f97316, #facc15);
    transition: width 0.18s ease-out;
}

.obt-nav-link:hover {
    color: #f9fafb;
}

.obt-nav-link:hover::after {
    width: 100%;
}

@media (max-width: 720px) {
    .obt-header-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .obt-nav {
        width: 100%;
        flex-wrap: wrap;
        gap: 0.8rem;
    }
}

/* ==============================
   GENERIC INNER PAGE HERO
   ============================== */

.obt-page-hero {
    padding: 2.8rem 0 1.8rem;
}

.obt-page-label {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: #f97316;
    margin-bottom: 0.4rem;
}

.obt-page-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: #f9fafb;
    margin-bottom: 0.4rem;
}

.obt-page-subtitle {
    font-size: 0.9rem;
    color: #cbd5f5;
    max-width: 36rem;
    line-height: 1.7;
}

.obt-page-note {
    margin-top: 0.8rem;
    font-size: 0.8rem;
    color: #9ca3af;
}




/* ==============================
   OBT MIND LAB – SHELL
   ============================== */

.obt-page {
    background: radial-gradient(circle at top, #141b2f 0, #050814 55%, #020309 100%);
    color: #e5e7eb;
    padding-bottom: 4rem;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.obt-max-width {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.obt-kicker {
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.75rem;
    color: #a5b4fc;
    font-weight: 600;
}

.obt-eyebrow {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: #f97316;
    font-weight: 600;
}

.obt-section {
    padding: 2.4rem 0 0;
}

.obt-section-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 1.3rem;
}

.obt-section-title {
    font-size: 1.2rem;
    font-weight: 650;
    color: #f9fafb;
}

.obt-section-subtitle {
    font-size: 0.85rem;
    color: #9ca3af;
    max-width: 30rem;
}

/* ==============================
   HERO
   ============================== */

.obt-hero {
    padding: 3.2rem 0 2.6rem;
}

.obt-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1.3fr);
    gap: 2.3rem;
    align-items: center;
}

.obt-hero-title {
    font-size: clamp(2rem, 3vw, 2.7rem);
    line-height: 1.1;
    font-weight: 750;
    letter-spacing: 0.02em;
    color: #f9fafb;
    margin: 0.75rem 0 0.8rem;
}

.obt-hero-title span {
    color: #f97316;
}

.obt-hero-subtitle {
    font-size: 0.95rem;
    line-height: 1.7;
    color: #cbd5f5;
    max-width: 34rem;
}

.obt-hero-subtitle strong {
    font-weight: 600;
    color: #e5e7eb;
}

.obt-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-top: 1.6rem;
}

.obt-btn-primary {
    border-radius: 999px;
    padding: 0.7rem 1.4rem;
    font-size: 0.9rem;
    font-weight: 600;
    border: 0;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: linear-gradient(135deg, #f97316, #facc15);
    color: #0b0f19;
    box-shadow: 0 14px 35px rgba(248,181,52,0.55);
}

.obt-btn-primary:hover {
    filter: brightness(1.05);
    transform: translateY(-1px);
}

.obt-btn-ghost {
    border-radius: 999px;
    padding: 0.7rem 1.4rem;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(148, 163, 184, 0.6);
    background: rgba(15,23,42,0.7);
    color: #e5e7eb;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.obt-btn-ghost:hover {
    border-color: #e5e7eb;
    background: rgba(15,23,42,0.9);
}

.obt-hero-footnote {
    margin-top: 0.7rem;
    font-size: 0.75rem;
    color: #9ca3af;
}

.obt-hero-meta {
    margin-top: 1rem;
    font-size: 0.78rem;
    color: #a1a1aa;
}

.obt-hero-meta span {
    display: inline-block;
    margin-right: 0.8rem;
}

.obt-hero-panel {
    border-radius: 1.1rem;
    padding: 1.3rem 1.2rem;
    border: 1px solid rgba(148, 163, 184, 0.4);
    background:
        radial-gradient(circle at 0 0, rgba(249,115,22,0.25), transparent 55%),
        radial-gradient(circle at 100% 0, rgba(59,130,246,0.25), transparent 55%),
        linear-gradient(145deg, rgba(15,23,42,0.96), rgba(15,23,42,0.96));
    box-shadow:
        0 20px 40px rgba(15,23,42,0.85),
        0 0 0 1px rgba(15,23,42,1) inset;
    font-size: 0.8rem;
}

.obt-hero-panel-title {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.obt-hero-panel-text {
    color: #cbd5f5;
    line-height: 1.6;
}

.obt-hero-panel-note {
    margin-top: 0.7rem;
    font-size: 0.75rem;
    color: #9ca3af;
}

/* ==============================
   WHAT YOU GET – FEATURES
   ============================== */

.obt-features-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.obt-feature-card {
    border-radius: 0.9rem;
    border: 1px solid rgba(31,41,55, 1);
    background: radial-gradient(circle at top left, rgba(15,23,42,0.9), rgba(15,23,42,0.95));
    padding: 0.95rem 0.95rem 1rem;
    box-shadow: 0 16px 35px rgba(15,23,42,0.8);
    font-size: 0.8rem;
}

.obt-feature-span {
    grid-column: span 3;
}

.obt-feature-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: #9ca3af;
    margin-bottom: 0.3rem;
}

.obt-feature-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: #e5e7eb;
    margin-bottom: 0.3rem;
}

.obt-feature-text {
    font-size: 0.8rem;
    color: #9ca3af;
    line-height: 1.6;
}

.obt-link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    margin-top: 0.55rem;
    font-size: 0.78rem;
    color: #a5b4fc;
    text-decoration: none;
}

.obt-link-arrow::after {
    content: "→";
    font-size: 0.9em;
}

.obt-link-arrow:hover {
    color: #e5e7eb;
}

/* ==============================
   5 PILLARS
   ============================== */

.obt-pillars-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.7rem;
}

.obt-pillar {
    border-radius: 0.9rem;
    border: 1px solid rgba(55,65,81,0.9);
    background: radial-gradient(circle at top, rgba(15,23,42,0.9), rgba(3,7,18,0.98));
    padding: 0.7rem 0.7rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.obt-pillar-tag {
    font-size: 0.7rem;
    color: #a5b4fc;
}

.obt-pillar-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: #e5e7eb;
}

.obt-pillar-desc {
    font-size: 0.75rem;
    color: #9ca3af;
    line-height: 1.5;
}

/* ==============================
   TOOLS FROM THE MIND LAB
   ============================== */

.obt-tools-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 1.4rem;
}

.obt-tools-list {
    display: grid;
    gap: 0.6rem;
}

.obt-tools-item {
    display: flex;
    align-items: flex-start;
    gap: 0.55rem;
    font-size: 0.8rem;
    color: #e5e7eb;
}

.obt-tools-icon {
    width: 22px;
    height: 22px;
    border-radius: 999px;
    background: rgba(15,23,42,1);
    border: 1px solid rgba(148, 163, 184, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.obt-tools-label {
    font-weight: 600;
}

.obt-tools-note {
    margin-top: 0.7rem;
    font-size: 0.75rem;
    color: #9ca3af;
}

.obt-tools-box {
    border-radius: 0.95rem;
    border: 1px dashed rgba(148, 163, 184, 0.7);
    padding: 0.9rem 0.8rem;
    background: rgba(15,23,42,0.9);
    font-size: 0.8rem;
    color: #e5e7eb;
}

.obt-tools-box-title {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.obt-tools-box-text {
    font-size: 0.78rem;
    color: #9ca3af;
    line-height: 1.6;
}

/* ==============================
   ABOUT OBT
   ============================== */

.obt-about {
    border-radius: 1rem;
    border: 1px solid rgba(55,65,81,0.9);
    background: linear-gradient(135deg, rgba(15,23,42,0.98), rgba(15,23,42,0.94));
    padding: 1.1rem 1rem;
    font-size: 0.86rem;
    color: #e5e7eb;
}

.obt-about-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.45rem;
}

.obt-about-text {
    font-size: 0.82rem;
    color: #cbd5f5;
    line-height: 1.7;
}

.obt-about-text strong {
    font-weight: 600;
}

/* ==============================
   SOCIAL / FOLLOW
   ============================== */

.obt-social {
    margin-top: 2.4rem;
    padding-top: 1.4rem;
    border-top: 1px dashed rgba(55,65,81,0.9);
}

.obt-social-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.1fr);
    gap: 1.2rem;
    align-items: center;
}

.obt-social-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: #f9fafb;
}

.obt-social-text {
    font-size: 0.82rem;
    color: #9ca3af;
    margin-top: 0.25rem;
}

.obt-social-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    margin-top: 0.9rem;
}

.obt-social-pill {
    border-radius: 999px;
    border: 1px solid rgba(148,163,184,0.8);
    padding: 0.35rem 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    color: #e5e7eb;
    text-decoration: none;
}

.obt-social-pill-label {
    font-weight: 500;
}

.obt-social-dot {
    width: 9px;
    height: 9px;
    border-radius: 999px;
    background: #f97316;
}

.obt-email-box {
    border-radius: 0.9rem;
    border: 1px solid rgba(55,65,81,0.9);
    background: rgba(15,23,42,0.9);
    padding: 1rem 0.9rem;
    font-size: 0.8rem;
    color: #e5e7eb;
}

.obt-email-label {
    font-size: 0.78rem;
    color: #9ca3af;
    margin-bottom: 0.4rem;
}

.obt-email-form {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.4rem;
}

.obt-email-input {
    flex: 1;
    border-radius: 999px;
    border: 1px solid rgba(75,85,99,1);
    background: rgba(15,23,42,0.95);
    color: #e5e7eb;
    padding: 0.5rem 0.8rem;
    font-size: 0.8rem;
}

.obt-email-input::placeholder {
    color: #6b7280;
}

.obt-email-btn {
    border-radius: 999px;
    border: 0;
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    background: linear-gradient(135deg, #f97316, #facc15);
    color: #0b0f19;
    cursor: pointer;
    white-space: nowrap;
}

.obt-email-footnote {
    margin-top: 0.5rem;
    font-size: 0.72rem;
    color: #6b7280;
}

/* ==============================
   RESPONSIVE
   ============================== */

@media (max-width: 900px) {
    .obt-hero-grid,
    .obt-tools-grid,
    .obt-social-inner {
        grid-template-columns: minmax(0, 1fr);
    }

    .obt-pillars-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .obt-features-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .obt-feature-span {
        grid-column: span 2;
    }
}

@media (max-width: 640px) {
    .obt-pillars-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .obt-features-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .obt-feature-span {
        grid-column: span 1;
    }

    .obt-hero {
        padding-top: 2.4rem;
    }

    .obt-hero-title {
        font-size: 1.8rem;
    }

    .obt-hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .obt-email-form {
        flex-direction: column;
    }
}

/* ==============================
   TOOL DETAIL LAYOUT
   ============================== */

.obt-tools-intro {
    padding-bottom: 1.8rem;
}

.obt-tools-intro-card {
    border-radius: 0.9rem;
    border: 1px solid rgba(31,41,55,1);
    background: radial-gradient(circle at top left, rgba(15,23,42,0.9), rgba(15,23,42,0.97));
    padding: 1rem 1rem 1.1rem;
    box-shadow: 0 16px 35px rgba(15,23,42,0.85);
}

.obt-tools-intro-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: #f9fafb;
    margin-bottom: 0.5rem;
}

.obt-tools-intro-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.5rem;
}

.obt-tools-intro-list li {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.obt-tools-intro-note {
    font-size: 0.78rem;
    color: #9ca3af;
}

/* TOOL SECTIONS */

.obt-tool {
    margin-top: 2.2rem;
    padding-top: 1.8rem;
    border-top: 1px dashed rgba(55,65,81,0.9);
}

.obt-tool-header {
    margin-bottom: 0.9rem;
}

.obt-tool-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: #f97316;
    margin-bottom: 0.25rem;
}

.obt-tool-title {
    font-size: 1.2rem;
    font-weight: 650;
    color: #f9fafb;
    margin-bottom: 0.2rem;
}

.obt-tool-subtitle {
    font-size: 0.9rem;
    color: #cbd5f5;
    max-width: 40rem;
    line-height: 1.7;
}

.obt-tool-body {
    margin-top: 0.8rem;
    max-width: 44rem;
    font-size: 0.82rem;
    color: #e5e7eb;
}

.obt-tool-step-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: #e5e7eb;
    margin-top: 1.1rem;
    margin-bottom: 0.25rem;
}

.obt-tool-text {
    font-size: 0.82rem;
    color: #cbd5f5;
    line-height: 1.7;
    margin-bottom: 0.25rem;
}

.obt-tool-list {
    margin: 0.25rem 0 0.4rem 1.2rem;
    padding: 0;
    color: #d1d5db;
    font-size: 0.82rem;
}

.obt-tool-list li {
    margin-bottom: 0.15rem;
}

.obt-tool-quote {
    margin: 0.6rem 0;
    padding-left: 0.7rem;
    border-left: 2px solid rgba(249,115,22,0.8);
    font-size: 0.82rem;
    color: #e5e7eb;
    font-style: italic;
}

@media (max-width: 640px) {
    .obt-tool-body {
        max-width: 100%;
    }
}

/* ==============================
   DOWNLOAD BUTTONS
   ============================== */

.obt-tool-download {
    margin-top: 0.6rem;
}

.obt-download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid rgba(249,115,22,0.9);
    background: rgba(15,23,42,0.95);
    color: #fed7aa;
    box-shadow: 0 10px 25px rgba(15,23,42,0.8);
}

.obt-download-btn:hover {
    background: linear-gradient(135deg, #f97316, #facc15);
    color: #111827;
    border-color: transparent;
    transform: translateY(-1px);
}

/* ==============================
   ARTICLE LAYOUT – GUIDES
   ============================== */

.obt-article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 2.1fr);
    gap: 2.2rem;
    padding-bottom: 3rem;
}

/* SIDE NAV */

.obt-article-nav {
    align-self: flex-start;
}

.obt-article-nav-card {
    border-radius: 0.9rem;
    border: 1px solid rgba(31,41,55,1);
    background: radial-gradient(circle at top left, rgba(15,23,42,0.9), rgba(15,23,42,0.98));
    padding: 0.9rem 1rem;
    box-shadow: 0 16px 35px rgba(15,23,42,0.85);
    position: sticky;
    top: 5.5rem;
}

.obt-article-nav-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: #f9fafb;
    margin-bottom: 0.4rem;
}

.obt-article-nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.25rem;
}

.obt-article-nav-list li a {
    font-size: 0.8rem;
    color: #cbd5f5;
    text-decoration: none;
}

.obt-article-nav-list li a:hover {
    color: #fef3c7;
}

/* MAIN ARTICLE */

.obt-article {
    max-width: 52rem;
    font-size: 0.9rem;
    color: #e5e7eb;
    line-height: 1.8;
}

.obt-article-block + .obt-article-block {
    margin-top: 1.8rem;
}

.obt-article-heading {
    font-size: 1.15rem;
    font-weight: 650;
    color: #f9fafb;
    margin-bottom: 0.4rem;
}

.obt-article-subheading {
    font-size: 0.95rem;
    font-weight: 600;
    color: #e5e7eb;
    margin-top: 0.9rem;
    margin-bottom: 0.2rem;
}

.obt-article p {
    margin: 0 0 0.45rem 0;
}

.obt-article ul {
    margin: 0.2rem 0 0.6rem 1.2rem;
    padding: 0;
}

.obt-article li {
    margin-bottom: 0.15rem;
}

/* CALLOUT & QUOTES */

.obt-article-callout {
    margin-top: 0.8rem;
    border-radius: 0.9rem;
    border: 1px solid rgba(55,65,81,0.9);
    background: radial-gradient(circle at top left, rgba(15,23,42,0.95), rgba(15,23,42,0.99));
    padding: 0.8rem 0.9rem;
    box-shadow: 0 12px 30px rgba(15,23,42,0.9);
}

.obt-article-callout-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: #f97316;
    margin-bottom: 0.4rem;
}

.obt-article-callout ul {
    margin: 0.1rem 0 0.4rem 1.2rem;
}

.obt-article-callout p {
    font-size: 0.82rem;
    color: #cbd5f5;
}

.obt-article-quote {
    margin: 0.7rem 0;
    padding-left: 0.7rem;
    border-left: 2px solid rgba(249,115,22,0.8);
    font-size: 0.9rem;
    color: #e5e7eb;
    font-style: italic;
}

/* RESPONSIVE */

@media (max-width: 900px) {
    .obt-article-layout {
        grid-template-columns: minmax(0, 1fr);
        gap: 1.5rem;
    }

    .obt-article-nav-card {
        position: static;
    }
}

.obt-pillars-footer {
    margin-top: 0.8rem;
}

/* ==============================
   ABOUT OBT LAYOUT
   ============================== */

.obt-about-layout {
    display: grid;
    grid-template-columns: minmax(0, 2.2fr) minmax(0, 1.1fr);
    gap: 2.2rem;
    padding-bottom: 3rem;
}

.obt-about-main {
    font-size: 0.9rem;
    color: #e5e7eb;
    line-height: 1.8;
    max-width: 52rem;
}

.obt-about-block + .obt-about-block {
    margin-top: 1.7rem;
}

.obt-about-heading {
    font-size: 1.1rem;
    font-weight: 650;
    color: #f9fafb;
    margin-bottom: 0.4rem;
}

.obt-about-main p {
    margin: 0 0 0.45rem 0;
}

.obt-about-main ul {
    margin: 0.2rem 0 0.6rem 1.2rem;
    padding: 0;
}

.obt-about-main li {
    margin-bottom: 0.15rem;
}

.obt-about-highlight {
    font-size: 1rem;
    font-weight: 600;
    color: #f97316;
}

/* SIDE CARDS */

.obt-about-aside {
    align-self: flex-start;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.obt-about-card {
    border-radius: 0.9rem;
    border: 1px solid rgba(31,41,55,1);
    background: radial-gradient(circle at top left,
                rgba(15,23,42,0.9),
                rgba(15,23,42,0.98));
    padding: 0.85rem 0.95rem;
    box-shadow: 0 14px 34px rgba(15,23,42,0.9);
    font-size: 0.82rem;
    color: #e5e7eb;
}

.obt-about-card-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: #f9fafb;
    margin-bottom: 0.35rem;
}

.obt-about-card ul {
    margin: 0.2rem 0 0 1.1rem;
    padding: 0;
}

.obt-about-card li {
    margin-bottom: 0.2rem;
}

/* RESPONSIVE */

@media (max-width: 900px) {
    .obt-about-layout {
        grid-template-columns: minmax(0, 1fr);
        gap: 1.6rem;
    }

    .obt-about-aside {
        flex-direction: column;
    }
}