/* ============================================================
   AlteCode Corporate Website
   Brand palette: Navy primary, Orange accent, neutral surfaces
   ============================================================ */

:root {
    --ac-navy: #0d2a4a;
    --ac-navy-dark: #081a30;
    --ac-navy-soft: #1a3a64;
    --ac-orange: #ff7a1f;
    --ac-orange-dark: #e06715;
    --ac-amber: #ffb347;
    --ac-bg: #f6f8fb;
    --ac-card: #ffffff;
    --ac-text: #1f2a3a;
    --ac-muted: #5a6478;
    --ac-border: #e4e8ef;
    --ac-shadow: 0 2px 12px rgba(13, 42, 74, 0.06);
    --ac-shadow-lg: 0 10px 30px rgba(13, 42, 74, 0.10);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--ac-text);
    background-color: var(--ac-bg);
    line-height: 1.6;
}

/* ---------- Navbar ---------- */
.navbar {
    background-color: var(--ac-navy) !important;
    padding-top: 0.85rem;
    padding-bottom: 0.85rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.45rem;
    letter-spacing: 0.3px;
    color: #ffffff !important;
}

.navbar-brand .brand-accent {
    color: var(--ac-orange);
}

.navbar .nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
    font-weight: 500;
    padding-left: 1rem !important;
    padding-right: 1rem !important;
    transition: color 0.15s ease;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
    color: var(--ac-orange) !important;
}

/* ---------- Hero ---------- */
.hero {
    background: linear-gradient(135deg, var(--ac-navy) 0%, var(--ac-navy-soft) 100%);
    color: #ffffff;
    padding: 5rem 0 5.5rem;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: "";
    position: absolute;
    top: -40px;
    right: -40px;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(255, 122, 31, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero h1 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1.2rem;
}

.hero .lead {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.85);
    max-width: 720px;
    margin-bottom: 2rem;
}

.hero .btn-cta {
    background-color: var(--ac-orange);
    border-color: var(--ac-orange);
    color: #ffffff;
    font-weight: 600;
    padding: 0.7rem 1.6rem;
    border-radius: 6px;
}

.hero .btn-cta:hover {
    background-color: var(--ac-orange-dark);
    border-color: var(--ac-orange-dark);
    color: #ffffff;
}

.hero .btn-outline {
    background: transparent;
    border: 1.5px solid rgba(255, 255, 255, 0.6);
    color: #ffffff;
    font-weight: 500;
    padding: 0.7rem 1.6rem;
    border-radius: 6px;
    margin-left: 0.6rem;
}

.hero .btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: #ffffff;
    color: #ffffff;
}

/* ---------- Section ---------- */
.section {
    padding: 4.5rem 0;
}

.section-light {
    background-color: var(--ac-card);
}

.section-title {
    font-weight: 700;
    color: var(--ac-navy);
    margin-bottom: 0.5rem;
}

.section-subtitle {
    color: var(--ac-muted);
    margin-bottom: 3rem;
    font-size: 1.05rem;
}

.eyebrow {
    color: var(--ac-orange);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
    display: block;
}

/* ---------- Cards ---------- */
.card {
    background-color: var(--ac-card);
    border: 1px solid var(--ac-border);
    border-radius: 10px;
    box-shadow: var(--ac-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    height: 100%;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--ac-shadow-lg);
}

.card .card-body {
    padding: 1.75rem;
}

.card .card-title {
    color: var(--ac-navy);
    font-weight: 700;
    font-size: 1.2rem;
    margin-bottom: 0.4rem;
}

.card .card-subtitle {
    color: var(--ac-orange) !important;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.75rem !important;
}

.card .card-text {
    color: var(--ac-muted);
    font-size: 0.95rem;
}

.card ul {
    padding-left: 1.1rem;
    color: var(--ac-muted);
    font-size: 0.92rem;
}

.card ul li {
    margin-bottom: 0.35rem;
}

/* Service icon bubble */
.icon-bubble {
    width: 52px;
    height: 52px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--ac-orange) 0%, var(--ac-amber) 100%);
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

/* ---------- Stats strip ---------- */
.stats-strip {
    background: var(--ac-navy-dark);
    color: #ffffff;
    padding: 3rem 0;
}

.stat {
    text-align: center;
}

.stat .stat-num {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--ac-orange);
    display: block;
    line-height: 1;
}

.stat .stat-label {
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.5rem;
    display: block;
}

/* ---------- Client logos / strip ---------- */
.clients {
    padding: 3rem 0;
    background-color: var(--ac-card);
    border-top: 1px solid var(--ac-border);
    border-bottom: 1px solid var(--ac-border);
}

.client-name {
    color: var(--ac-muted);
    font-weight: 600;
    font-size: 1.05rem;
    text-align: center;
    padding: 0.5rem 0;
    letter-spacing: 0.5px;
}

/* ---------- Buttons ---------- */
.btn-primary {
    background-color: var(--ac-orange);
    border-color: var(--ac-orange);
    font-weight: 600;
}

.btn-primary:hover {
    background-color: var(--ac-orange-dark);
    border-color: var(--ac-orange-dark);
}

.btn-secondary {
    background-color: var(--ac-navy);
    border-color: var(--ac-navy);
    font-weight: 600;
}

.btn-secondary:hover {
    background-color: var(--ac-navy-soft);
    border-color: var(--ac-navy-soft);
}

/* ---------- Headings ---------- */
h1, h2, h3, h4, h5, h6 {
    color: var(--ac-navy);
}

/* ---------- Lists ---------- */
.feature-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.feature-list li {
    padding: 0.55rem 0 0.55rem 1.6rem;
    position: relative;
    color: var(--ac-text);
}

.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0.55rem;
    color: var(--ac-orange);
    font-weight: 700;
}

/* ---------- Contact ---------- */
.contact-card {
    background: var(--ac-card);
    border: 1px solid var(--ac-border);
    border-radius: 12px;
    padding: 2.25rem;
    box-shadow: var(--ac-shadow);
    margin-top: 1rem;
}

.contact-item {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--ac-border);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-item .label {
    font-weight: 600;
    color: var(--ac-navy);
    width: 120px;
    display: inline-block;
}

.contact-item a {
    color: var(--ac-orange-dark);
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

/* ---------- Footer ---------- */
.site-footer {
    background-color: var(--ac-navy-dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 2.5rem 0 1.25rem;
    margin-top: 4rem;
}

.site-footer h6 {
    color: #ffffff;
    font-weight: 700;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.85rem;
}

.site-footer a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    display: block;
    padding: 0.25rem 0;
    font-size: 0.92rem;
}

.site-footer a:hover {
    color: var(--ac-orange);
}

.site-footer .footer-brand {
    font-weight: 700;
    font-size: 1.3rem;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.site-footer .footer-brand .brand-accent {
    color: var(--ac-orange);
}

.site-footer .copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.85rem;
}

/* ---------- 404 page ---------- */
.error-wrap {
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
    text-align: center;
}

.error-wrap .code {
    font-size: 6rem;
    font-weight: 800;
    color: var(--ac-orange);
    line-height: 1;
    margin: 0;
}

/* ---------- Utility ---------- */
.text-accent { color: var(--ac-orange); }
.bg-soft { background-color: var(--ac-bg); }

@media (max-width: 768px) {
    .hero { padding: 3.5rem 0; }
    .section { padding: 3rem 0; }
    .hero .btn-outline { margin-left: 0; margin-top: 0.5rem; }
}