/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
    background: #f8fafc;
    color: #1e293b;
    line-height: 1.6;
    padding: 0 0 2rem 0;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* ===== HEADER / NAV ===== */
.navbar {
    background: #0b1a33;
    color: white;
    padding: 1rem 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: #fbbf24;
}
.logo span {
    color: white;
    font-weight: 300;
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
    list-style: none;
    font-size: 0.95rem;
    margin-top: 0.3rem;
}
.nav-links a {
    color: #e2e8f0;
    text-decoration: none;
    transition: color 0.2s;
    font-weight: 500;
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-thickness: 2px;
    text-decoration-color: transparent;
}
.nav-links a:hover {
    color: #fbbf24;
    text-decoration-color: #fbbf24;
}

/* ===== SECTIONS ===== */
section {
    background: white;
    border-radius: 1rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
    padding: 2rem 1.5rem;
    margin: 2rem 0;
    transition: box-shadow 0.2s;
}
section:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.07);
}

.hero-section {
    background: linear-gradient(135deg, #fefcf5 0%, #ffffff 100%);
    border: none;
    box-shadow: none;
    padding-bottom: 1rem;
}

.contact-section {
    background: #f1f5f9;
    border: none;
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    color: #0b1a33;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}
h1 .highlight {
    color: #b45309;
}

h2 {
    font-size: 1.6rem;
    font-weight: 600;
    color: #0b1a33;
    margin: 1.8rem 0 1rem 0;
    border-left: 5px solid #fbbf24;
    padding-left: 0.9rem;
}

h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 1.4rem 0 0.5rem 0;
    color: #1e293b;
}
h3 i {
    color: #b45309;
    margin-right: 0.5rem;
}

h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #0b1a33;
    margin-bottom: 0.4rem;
}
h4 i {
    color: #b45309;
    margin-right: 0.5rem;
    width: 1.4rem;
}

p {
    margin: 0.75rem 0;
    color: #334155;
}

.lead {
    font-size: 1.1rem;
    font-weight: 400;
    color: #475569;
    max-width: 700px;
}

/* ===== BADGE / TAG ===== */
.tag {
    display: inline-block;
    background: #fef3c7;
    color: #92400e;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.2rem 0.8rem;
    border-radius: 20px;
    margin-bottom: 0.5rem;
}

/* ===== BUTTONS ===== */
.hero-cta {
    margin-top: 1.2rem;
}
.btn-primary {
    background: #0b1a33;
    color: white;
    padding: 0.6rem 1.8rem;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: background 0.2s;
}
.btn-primary:hover {
    background: #1a3055;
}
.btn-link {
    margin-left: 0.8rem;
    color: #0b1a33;
    font-weight: 500;
    text-decoration: none;
}
.btn-link:hover {
    text-decoration: underline;
}

/* ===== CARDS ===== */
.card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin: 1.5rem 0;
}
.card-grid.two-col {
    grid-template-columns: 1fr 1fr;
}
.card-grid.three-col {
    grid-template-columns: 1fr 1fr 1fr;
}

.card {
    background: #f8fafc;
    border-radius: 0.75rem;
    padding: 1.25rem 1.25rem 1.5rem;
    border: 1px solid #e9edf2;
    transition: border-color 0.2s, transform 0.1s;
}
.card:hover {
    border-color: #fbbf24;
}
.card p {
    font-size: 0.95rem;
    color: #475569;
    margin: 0.4rem 0;
}
.card ul {
    padding-left: 1.2rem;
    margin: 0.5rem 0;
    color: #334155;
    font-size: 0.95rem;
}
.card ul li {
    margin: 0.2rem 0;
}

/* ===== IMAGES ===== */
.img-fluid {
    width: 100%;
    border-radius: 0.6rem;
    border: 1px solid #e9edf2;
    margin: 0.5rem 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.app-screens {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin: 0.5rem 0;
    justify-content: center;
}
.app-screen {
    height: 280px;
    border-radius: 0.6rem;
    border: 1px solid #e9edf2;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.transport-screens {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin: 0.5rem 0;
}

/* ===== TOC ===== */
.toc {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1.2rem;
    background: #f1f5f9;
    padding: 1rem 1.25rem;
    border-radius: 0.75rem;
    margin: 1rem 0;
    font-size: 0.9rem;
}
.toc a {
    color: #0b1a33;
    text-decoration: none;
    font-weight: 500;
}
.toc a:hover {
    color: #b45309;
}

/* ===== HR ARTICLE ===== */
.hr-article {
    background: #fefcf5;
    border-left: 4px solid #fbbf24;
    padding: 1.5rem 1.5rem 1rem 1.5rem;
    border-radius: 0 0.75rem 0.75rem 0;
    margin: 1.2rem 0;
}

.pillar-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
    margin: 1rem 0;
}

.pillar {
    background: white;
    padding: 1rem 1.25rem;
    border-radius: 0.6rem;
    border: 1px solid #e9edf2;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.02);
}
.pillar strong {
    color: #0b1a33;
    font-size: 1rem;
    display: block;
    margin-bottom: 0.2rem;
}
.pillar strong i {
    color: #b45309;
    margin-right: 0.5rem;
}
.pillar .label {
    font-weight: 600;
    color: #92400e;
    font-size: 0.85rem;
}

/* ===== CONTACT / CTA ===== */
.contact-block {
    background: #f1f5f9;
    padding: 1.2rem 1.5rem;
    border-radius: 0.75rem;
    font-size: 1rem;
}
.contact-block.white-bg {
    background: white;
}
.contact-block i {
    color: #b45309;
    margin-right: 0.5rem;
}
.contact-block a {
    color: #0b1a33;
    text-decoration: none;
    font-weight: 500;
}
.contact-block a:hover {
    text-decoration: underline;
}

.cta {
    background: #0b1a33;
    color: white;
    padding: 1.5rem;
    border-radius: 0.75rem;
    text-align: center;
    margin: 2rem 0;
}
.cta a {
    color: #fbbf24;
    font-weight: 600;
    text-decoration: none;
}
.cta a:hover {
    text-decoration: underline;
}
.cta p {
    color: #e2e8f0;
}

/* ===== SECTION SPACER ===== */
.section-spacer {
    margin-top: 2rem;
}

/* ===== FOOTER ===== */
footer {
    text-align: center;
    padding: 1.5rem 0 0.5rem;
    font-size: 0.85rem;
    color: #94a3b8;
    border-top: 1px solid #e2e8f0;
    margin-top: 1rem;
}

/* ===== UTILITIES ===== */
.text-muted {
    color: #64748b;
    font-size: 0.9rem;
}
.hide-on-mobile {
    display: inline;
}

/* ===== RESPONSIVE ===== */
@media (min-width: 640px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .card-grid.three-col {
        grid-template-columns: repeat(3, 1fr);
    }
    .pillar-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .nav-links {
        margin-top: 0;
    }
}

@media (min-width: 900px) {
    .card-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .card-grid.two-col {
        grid-template-columns: 1fr 1fr;
    }
    .pillar-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    h1 {
        font-size: 2.6rem;
    }
    section {
        padding: 2.5rem 2.5rem;
    }
}

@media (max-width: 640px) {
    .card-grid.two-col {
        grid-template-columns: 1fr;
    }
    .card-grid.three-col {
        grid-template-columns: 1fr;
    }
    .pillar-grid {
        grid-template-columns: 1fr;
    }
    .app-screen {
        height: 200px;
    }
}

@media (max-width: 480px) {
    .navbar .container {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    .nav-links {
        font-size: 0.85rem;
        gap: 0.5rem 1rem;
    }
    h1 {
        font-size: 1.6rem;
    }
    h2 {
        font-size: 1.3rem;
    }
    section {
        padding: 1.25rem 1rem;
        margin: 1.2rem 0;
    }
    .hide-on-mobile {
        display: none;
    }
    .hero-cta .btn-link {
        display: block;
        margin-left: 0;
        margin-top: 0.5rem;
    }
}