/* LUBAS solutions — landing page styles */
:root {
    --accent: #1e40af;
    --accent-dark: #1c3a9e;
    --ink: #1f2933;
    --muted: #5b6776;
    --line: #e7eaee;
    --soft: #f8f9fa;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    color: var(--ink);
    background: #fff;
    -webkit-font-smoothing: antialiased;
    line-height: 1.65;
}

h1, h2, h3, .display-heading {
    font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
    color: var(--ink);
    letter-spacing: -0.02em;
}

.text-accent { color: var(--accent) !important; }
.bg-soft { background-color: var(--soft); }

section { scroll-margin-top: 72px; }

/* ---- Buttons ---- */
.btn-accent {
    background-color: var(--accent);
    border-color: var(--accent);
    color: #fff;
    font-weight: 600;
    padding: .85rem 1.75rem;
    border-radius: .6rem;
}
.btn-accent:hover, .btn-accent:focus {
    background-color: var(--accent-dark);
    border-color: var(--accent-dark);
    color: #fff;
}

/* ---- Navbar ---- */
.site-nav {
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
}
.site-nav .navbar-brand img { height: 34px; width: auto; }
.site-nav .nav-link {
    color: var(--muted);
    font-weight: 500;
    padding: .25rem .9rem;
}
.site-nav .nav-link:hover { color: var(--accent); }

/* ---- Hero ---- */
.hero {
    position: relative;
    overflow: hidden;
    color: #fff;
    padding: 6rem 0 5.5rem;
    background:
        radial-gradient(circle at 82% 12%, rgba(59,130,246,.40), transparent 55%),
        radial-gradient(circle at 5% 95%, rgba(99,102,241,.28), transparent 50%),
        linear-gradient(135deg, #0d1530 0%, #16245a 52%, #1e40af 100%);
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(255,255,255,.05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255,255,255,.05) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: radial-gradient(circle at 45% 35%, #000 55%, transparent 100%);
            mask-image: radial-gradient(circle at 45% 35%, #000 55%, transparent 100%);
    pointer-events: none;
}
.hero > .container { position: relative; z-index: 1; }
.hero h1 {
    color: #fff;
    font-size: clamp(2rem, 4.4vw, 3.35rem);
    font-weight: 800;
    line-height: 1.12;
    max-width: 18ch;
}
.hero .lead {
    font-size: 1.2rem;
    color: rgba(255,255,255,.78);
    max-width: 54ch;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    padding: .45rem 1.05rem;
    border: 1px solid rgba(147,197,253,.4);
    background: rgba(59,130,246,.16);
    color: #bfdbfe;
    border-radius: 999px;
    font-weight: 500;
    font-size: .9rem;
}
.hero-badge .dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: #60a5fa;
}
.btn-hero {
    background: #fff;
    border: 1px solid #fff;
    color: var(--accent);
    font-weight: 600;
    padding: .85rem 1.75rem;
    border-radius: .6rem;
}
.btn-hero:hover, .btn-hero:focus {
    background: #eef2ff;
    border-color: #eef2ff;
    color: var(--accent-dark);
}
.social-proof {
    color: rgba(255,255,255,.72);
    font-size: .98rem;
}

/* ---- Logos bar ---- */
.ref-logo {
    max-height: 50px;
    width: auto;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: .65;
    transition: filter .25s ease, opacity .25s ease;
}
.ref-logo:hover { filter: grayscale(0%); opacity: 1; }
.ref-grid {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 2.4rem 3rem;
}

/* ---- Problems ---- */
.problem-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.1rem 0;
    border-bottom: 1px solid var(--line);
    font-size: 1.18rem;
}
.problem-item:last-of-type { border-bottom: 0; }
.problem-x {
    flex: 0 0 auto;
    width: 32px; height: 32px;
    border-radius: 50%;
    background: #fdecec;
    color: #dc3545;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.05rem;
    margin-top: .15rem;
}

/* ---- Solution cards ---- */
.solution-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 1rem;
    padding: 2.1rem 1.9rem;
    height: 100%;
    box-shadow: 0 6px 22px -16px rgba(31,41,51,.4);
    transition: transform .2s ease, box-shadow .2s ease;
}
.solution-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 40px -22px rgba(30,64,175,.45);
}
.solution-ico {
    width: 54px; height: 54px;
    border-radius: .85rem;
    background: rgba(30,64,175,.1);
    color: var(--accent);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 1.3rem;
}

/* ---- Steps ---- */
.step {
    position: relative;
    padding-top: 2.4rem;
}
.step-num {
    position: absolute;
    top: -1.3rem; left: -0.4rem;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 800;
    font-size: 5rem;
    line-height: 1;
    color: #e2e6ee;
    z-index: 0;
    user-select: none;
}
.step-body { position: relative; z-index: 1; }
.step-body h3 { font-size: 1.2rem; font-weight: 700; }

/* ---- Stats ---- */
.stats {
    background: var(--accent);
    color: #fff;
}
.stat-num {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 800;
    font-size: clamp(2.8rem, 6vw, 4rem);
    line-height: 1;
}
.stat-label { opacity: .85; font-size: 1.05rem; }

/* ---- Contact ---- */
.contact-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 1.1rem;
    box-shadow: 0 30px 60px -40px rgba(31,41,51,.45);
}
.personal-note {
    border-left: 3px solid var(--accent);
    background: #fff;
    border-radius: .5rem;
    color: var(--muted);
    font-size: 1.05rem;
}
.personal-note .sign {
    font-weight: 700;
    color: var(--ink);
    font-family: 'Plus Jakarta Sans', sans-serif;
}
.form-label { font-weight: 600; color: var(--ink); font-size: .92rem; }
.form-control { padding: .7rem .9rem; border-color: #d6dbe2; }
.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 .2rem rgba(30,64,175,.15);
}

/* ---- Footer ---- */
.site-footer {
    background: #14181d;
    color: #aeb6c0;
}
.site-footer img { height: 52px; width: auto; }
.site-footer a { color: #aeb6c0; text-decoration: none; }
.site-footer a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); }

.eyebrow {
    text-transform: uppercase;
    letter-spacing: .12em;
    font-size: .8rem;
    font-weight: 600;
    color: var(--accent);
}
.section-pad { padding: 5rem 0; }
@media (max-width: 575.98px) {
    .hero { padding: 3.5rem 0; }
    .section-pad { padding: 3.25rem 0; }
    .step-num { font-size: 4rem; }
}