/* Cybertron Limited - site styles. No external dependencies. */
:root {
    --navy: #0e1b33;
    --navy-2: #172a4a;
    --blue: #5376b5;
    --blue-dark: #3b5a94;
    --blue-light: #dbe4f3;
    --accent: #f2a007;
    --accent-dark: #d98c00;
    --text: #1d2433;
    --muted: #5a6475;
    --bg: #ffffff;
    --bg-alt: #f3f6fb;
    --border: #dfe5ef;
    --radius: 10px;
    --shadow: 0 6px 24px rgba(14, 27, 51, 0.08);
    --max: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 17px;
    line-height: 1.65;
    color: var(--text);
    background: var(--bg);
}

img { max-width: 100%; height: auto; }

a { color: var(--blue-dark); }
a:hover { color: var(--navy); }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

.skip-link {
    position: absolute; left: -999px; top: 0;
    background: var(--accent); color: var(--navy); padding: 10px 16px; z-index: 100;
}
.skip-link:focus { left: 8px; top: 8px; }

/* ---------- Header ---------- */
.site-header {
    background: #fff;
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 50;
}
.site-header .wrap {
    display: flex; align-items: center; justify-content: space-between;
    min-height: 74px; gap: 16px;
}
.brand img { display: block; height: 40px; width: auto; }

.nav-toggle {
    display: none;
    background: none; border: 1px solid var(--border); border-radius: 8px;
    padding: 8px 12px; font: inherit; font-weight: 600; color: var(--navy); cursor: pointer;
}

.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 4px; }
.site-nav a {
    display: block; padding: 8px 14px; border-radius: 999px;
    text-decoration: none; color: var(--navy); font-weight: 600; font-size: 0.95rem;
}
.site-nav a:hover { background: var(--bg-alt); }
.site-nav a[aria-current="page"] { color: var(--blue-dark); background: var(--bg-alt); }
.site-nav a.nav-cta { background: var(--accent); color: var(--navy); margin-left: 8px; }
.site-nav a.nav-cta:hover { background: var(--accent-dark); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-block; padding: 13px 28px; border-radius: 999px; border: 2px solid transparent;
    font: inherit; font-weight: 700; text-decoration: none; cursor: pointer;
    transition: background 0.15s, color 0.15s, transform 0.15s;
}
.btn-primary { background: var(--accent); color: var(--navy); }
.btn-primary:hover { background: var(--accent-dark); color: var(--navy); transform: translateY(-1px); }
.btn-ghost { border-color: rgba(255, 255, 255, 0.55); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }
.btn-outline { border-color: var(--blue); color: var(--blue-dark); }
.btn-outline:hover { background: var(--blue); color: #fff; }

/* ---------- Hero ---------- */
.hero {
    position: relative; overflow: hidden;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
    color: #fff;
    padding: 96px 0 130px;
    border-radius: 0 0 50% 50% / 0 0 56px 56px;
}
.hero::before, .hero::after {
    content: ""; position: absolute; pointer-events: none;
    border: 2px solid rgba(83, 118, 181, 0.55);
}
/* Echoes the overlapping squares in the Cybertron logo */
.hero::before { width: 380px; height: 380px; right: -60px; top: 40px; background: rgba(83, 118, 181, 0.18); }
.hero::after { width: 300px; height: 300px; right: 90px; top: 150px; background: rgba(83, 118, 181, 0.12); }
.hero .wrap { position: relative; z-index: 1; }
.eyebrow {
    display: inline-block; text-transform: uppercase; letter-spacing: 0.14em;
    font-size: 0.8rem; font-weight: 700; color: #9db6e3;
    border-left: 3px solid var(--accent); padding-left: 12px; margin-bottom: 18px;
}
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.5rem); line-height: 1.12; margin: 0 0 20px; max-width: 760px; letter-spacing: -0.01em; }
.hero p.lead { font-size: 1.2rem; max-width: 640px; color: #d3def2; margin: 0 0 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.page-hero { padding: 64px 0 90px; }
.page-hero h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); margin-bottom: 14px; }
.page-hero p.lead { margin-bottom: 0; }

/* ---------- Sections ---------- */
section { padding: 72px 0; }
section.alt { background: var(--bg-alt); }
.section-head { max-width: 720px; margin: 0 0 40px; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); line-height: 1.2; margin: 0 0 12px; color: var(--navy); }
.section-head p { margin: 0; color: var(--muted); font-size: 1.05rem; }
.centered { text-align: center; margin-left: auto; margin-right: auto; }

h3 { color: var(--navy); line-height: 1.3; }

.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
    background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
    padding: 28px; box-shadow: var(--shadow);
    border-top: 4px solid var(--blue);
}
.card h3 { margin: 0 0 10px; font-size: 1.2rem; }
.card p { margin: 0 0 10px; color: var(--muted); }
.card p:last-child, .card ul:last-child { margin-bottom: 0; }
.card ul { margin: 0; padding-left: 20px; color: var(--muted); }
.card li { margin-bottom: 4px; }
.icon {
    width: 46px; height: 46px; border-radius: 12px; background: var(--blue-light);
    color: var(--blue-dark); display: flex; align-items: center; justify-content: center;
    margin-bottom: 16px;
}
.icon svg { width: 26px; height: 26px; }

/* Trusted-by strip */
.trusted { padding: 36px 0; background: #fff; border-bottom: 1px solid var(--border); }
.trusted .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 40px; justify-content: center; }
.trusted .label { text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.78rem; font-weight: 700; color: var(--muted); }
.trusted .client { font-weight: 700; font-size: 1.1rem; color: var(--navy-2); opacity: 0.85; }

/* Stat row */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat strong { display: block; font-size: 2.2rem; color: var(--blue-dark); line-height: 1.1; }
.stat span { color: var(--muted); font-size: 0.95rem; }

/* Two-column text + panel */
.split { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: start; }
.panel { background: var(--navy); color: #dbe4f3; border-radius: var(--radius); padding: 32px; }
.panel h3 { color: #fff; margin-top: 0; }
.panel ul { padding-left: 20px; margin: 0; }
.panel li { margin-bottom: 8px; }

/* Process steps */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step { position: relative; padding-top: 56px; }
.step::before {
    counter-increment: step; content: counter(step);
    position: absolute; top: 0; left: 0;
    width: 42px; height: 42px; border-radius: 50%; background: var(--blue); color: #fff;
    display: flex; align-items: center; justify-content: center; font-weight: 700;
}
.step h3 { margin: 0 0 6px; font-size: 1.1rem; }
.step p { margin: 0; color: var(--muted); }

/* Skills tags */
.tags { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.tags li {
    background: var(--blue-light); color: var(--navy); border-radius: 999px;
    padding: 5px 14px; font-size: 0.92rem; font-weight: 600; margin: 0;
}

/* Experience items */
.project { padding: 28px 0; border-bottom: 1px solid var(--border); display: grid; grid-template-columns: 220px 1fr; gap: 32px; }
.project:first-of-type { padding-top: 0; }
.project:last-child { border-bottom: none; }
.project .meta { color: var(--muted); font-size: 0.9rem; }
.project .meta strong { display: block; color: var(--blue-dark); text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.78rem; margin-bottom: 4px; }
.project h3 { margin: 0 0 8px; font-size: 1.2rem; }
.project p { margin: 0 0 10px; }

/* CTA band */
.cta-band {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
    color: #fff; text-align: center; padding: 64px 0;
}
.cta-band h2 { margin: 0 0 12px; font-size: clamp(1.6rem, 3vw, 2.1rem); }
.cta-band p { margin: 0 auto 28px; max-width: 600px; color: #d3def2; }

/* ---------- Contact form ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; }
.field.full { grid-column: 1 / -1; }
label { font-weight: 600; margin-bottom: 6px; color: var(--navy); font-size: 0.95rem; }
input[type="text"], input[type="email"], input[type="tel"], textarea {
    font: inherit; padding: 12px 14px; border: 1px solid #bcc6d8; border-radius: 8px; background: #fff; color: var(--text);
}
input:focus, textarea:focus, button:focus-visible, a:focus-visible {
    outline: 3px solid var(--accent); outline-offset: 2px;
}
textarea { min-height: 160px; resize: vertical; }
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-note { font-size: 0.88rem; color: var(--muted); }
.form-status { padding: 14px 18px; border-radius: 8px; margin-bottom: 18px; font-weight: 600; }
.form-status[hidden] { display: none; }
.form-status.ok { background: #e3f4e8; color: #17572b; border: 1px solid #a8d8b6; }
.form-status.err { background: #fbe7e7; color: #8a1f1f; border: 1px solid #e3b0b0; }

.contact-list { list-style: none; margin: 0; padding: 0; }
.contact-list li { margin-bottom: 18px; }
.contact-list strong { display: block; color: #fff; }
.panel a { color: #fff; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: #b5c3de; padding: 48px 0 28px; font-size: 0.95rem; }
.site-footer .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
.site-footer h4 { color: #fff; margin: 0 0 12px; }
.site-footer a { color: #b5c3de; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 6px; }
.site-footer address { font-style: normal; }
.site-footer .legal { border-top: 1px solid rgba(255, 255, 255, 0.12); margin-top: 32px; padding-top: 18px; font-size: 0.85rem; display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }

/* ---------- Prose (privacy etc.) ---------- */
.prose { max-width: 760px; }
.prose h2 { color: var(--navy); margin-top: 36px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .grid-3, .grid-2, .split, .steps, .project, .site-footer .cols { grid-template-columns: 1fr; }
    .stats { grid-template-columns: repeat(2, 1fr); }
    .project { gap: 8px; }
    .hero::before, .hero::after { opacity: 0.5; right: -80px; }
    .hero { padding: 64px 0 100px; }
    .nav-toggle { display: block; }
    .site-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: #fff; border-bottom: 1px solid var(--border); padding: 12px 24px 20px; }
    .site-nav.open { display: block; }
    .site-nav ul { flex-direction: column; align-items: stretch; }
    .site-nav a.nav-cta { margin: 8px 0 0; text-align: center; }
    .form-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .brand img { height: 30px; }
    body { font-size: 16px; }
    section { padding: 52px 0; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .btn { transition: none; }
}

/* Tag lists inside cards */
.card ul.tags { padding-left: 0; }
.card .tags li { margin: 0; color: var(--navy); }
.panel .contact-list { padding-left: 0; }

/* Photo gallery */
.gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 48px; }
.gallery figure { margin: 0; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.gallery img { display: block; width: 100%; height: 300px; object-fit: cover; }
.gallery figcaption { padding: 10px 14px; font-size: 0.88rem; color: var(--muted); }
@media (max-width: 900px) {
    .gallery { grid-template-columns: 1fr; }
    .gallery img { height: auto; }
}

.site-footer .company { margin: 32px 0 0; font-size: 0.82rem; color: #8fa0c0; }
.site-footer .company + .legal { margin-top: 12px; }