:root {
    --navy:    #0b1120;
    --navy-2:  #111c30;
    --navy-3:  #172038;
    --slate:   #7a90a8;
    --ice:     #c5d5e8;
    --white:   #f0f4f8;
    --accent:  #4a8fff;
    --accent-dim: #2a5fcc;
    --border:  rgba(255,255,255,0.07);
    /* light section palette */
    --light-bg:   #eef2f7;
    --light-bg-2: #e2e9f2;
    --light-text: #0b1120;
    --light-sub:  #3a5070;
    --light-border: rgba(11,17,32,0.1);
    --mono: 'IBM Plex Mono', monospace;
    --sans: 'IBM Plex Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
    background: var(--navy);
    color: var(--ice);
    font-family: var(--sans);
    font-size: 1rem;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

/* ── UTILITIES ── */
.mono { font-family: var(--mono); }
.text-slate { color: var(--slate); }
.text-accent { color: var(--accent); }
.text-ice { color: var(--ice); }

.label {
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
}

hr.rule {
    border: none;
    border-top: 1px solid var(--border);
    margin: 0;
}

/* ── NAV ── */
.site-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(11,17,32,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.site-nav .nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 0;
}

.site-logo {
    font-family: var(--mono);
    font-weight: 600;
    font-size: 1rem;
    color: var(--white);
    text-decoration: none;
    letter-spacing: 0.04em;
}

.site-logo span { color: var(--accent); }

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    color: var(--slate);
    text-decoration: none;
    transition: color 0.2s;
}

.nav-links a:hover { color: var(--white); }

.btn-nav {
    font-family: var(--mono);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    border: 1px solid var(--accent);
    background: transparent;
    padding: 0.45rem 1.1rem;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
    white-space: nowrap;
}

.btn-nav:hover {
    background: var(--accent);
    color: var(--navy);
}

/* ── HERO ── */
.hero {
    padding: 6rem 0 5rem;
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.hero-terminal-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.hero-terminal-lines {
    position: absolute;
    top: 0; right: 0;
    width: 58%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2.5rem 4rem 2.5rem 2rem;
    gap: 0;
    /* fade left edge into navy, fade bottom and top */
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 18%, black 75%, transparent 100%),
    linear-gradient(to bottom, transparent 0%, black 12%, black 88%, transparent 100%);
    -webkit-mask-composite: destination-in;
    mask-image: linear-gradient(to right, transparent 0%, black 18%, black 75%, transparent 100%),
    linear-gradient(to bottom, transparent 0%, black 12%, black 88%, transparent 100%);
    mask-composite: intersect;
}

.tl {
    font-family: var(--mono);
    font-size: 0.7rem;
    line-height: 1.9;
    white-space: nowrap;
    overflow: hidden;
    letter-spacing: 0.02em;
}

.tl-prompt  { color: rgba(74,143,255,0.3); }
.tl-cmd     { color: rgba(197,213,232,0.22); }
.tl-output  { color: rgba(122,144,168,0.18); }
.tl-success { color: rgba(126,232,162,0.22); }
.tl-warn    { color: rgba(255,200,80,0.18); }
.tl-dim     { color: rgba(122,144,168,0.1); }

.hero .container { position: relative; z-index: 1; }

.hero-eyebrow {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-family: var(--sans);
    font-weight: 300;
    font-size: clamp(2.4rem, 5vw, 3.8rem);
    line-height: 1.15;
    color: var(--white);
    margin-bottom: 1.5rem;
    letter-spacing: -0.01em;
}

.hero h1 strong {
    font-weight: 600;
    color: var(--white);
}

.hero-sub {
    font-size: 1.05rem;
    color: var(--slate);
    max-width: 520px;
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 2.5rem;
}

.badge-item {
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: var(--ice);
    border: 1px solid var(--border);
    background: var(--navy-2);
    padding: 0.35rem 0.9rem;
}

.btn-primary-cta {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--navy);
    background: var(--accent);
    border: none;
    padding: 0.85rem 2rem;
    text-decoration: none;
    transition: background 0.2s;
}

.btn-primary-cta:hover { background: #6aaeff; color: var(--navy); }

.cta-sub {
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--slate);
    margin-top: 0.8rem;
    letter-spacing: 0.05em;
}

/* ── PROBLEM SECTION ── */
.section-problem {
    padding: 5rem 0;
    background: #1a2a40;
    border-top: 1px solid rgba(255,255,255,0.06);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.section-problem .prose-lead {
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--white);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.section-problem .prose-body {
    color: var(--slate);
    font-size: 0.97rem;
    margin-bottom: 2rem;
}

.priority-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.priority-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 0.85rem 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.95rem;
    color: var(--ice);
}

.priority-list li:last-child { border-bottom: 1px solid rgba(255,255,255,0.1); }

.priority-list li .pl-label {
    font-family: var(--mono);
    font-size: 0.68rem;
    color: var(--accent);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    min-width: 110px;
    padding-top: 0.15rem;
}

/* ── CODE BLOCK DECORATIVE ── */
.code-block-deco {
    background: var(--navy-2);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    padding: 1.8rem;
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--slate);
    line-height: 1.9;
}

.code-block-deco .c-key { color: var(--accent); }
.code-block-deco .c-str { color: #7ee8a2; }
.code-block-deco .c-val { color: var(--ice); }
.code-block-deco .c-comment { color: #445566; }

/* ── CAPABILITIES ── */
.section-capabilities {
    padding: 5rem 0;
    background: var(--light-bg);
    border-top: 1px solid var(--light-border);
    border-bottom: 1px solid var(--light-border);
}

.section-capabilities .section-header h2 { color: var(--light-text); }
.section-capabilities .section-header p  { color: var(--light-sub); }
.section-capabilities .label             { color: var(--accent-dim); }

.cap-card {
    padding: 2rem;
    background: #fff;
    border: 1px solid var(--light-border);
    height: 100%;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.cap-card:hover {
    border-color: rgba(74,143,255,0.4);
    box-shadow: 0 4px 20px rgba(74,143,255,0.08);
}

.cap-num {
    font-family: var(--mono);
    font-size: 0.68rem;
    color: var(--accent-dim);
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
    display: block;
}

.cap-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--light-text);
    margin-bottom: 0.8rem;
    line-height: 1.4;
}

.cap-card p {
    font-size: 0.88rem;
    color: var(--light-sub);
    margin: 0;
    line-height: 1.75;
}

/* ── PORTFOLIO ── */
.section-portfolio {
    padding: 5rem 0;
    background: #1a2a40;
    border-top: 1px solid rgba(255,255,255,0.06);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.portfolio-card {
    padding: 2rem;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(11,17,32,0.35);
    height: 100%;
    position: relative;
    transition: border-color 0.2s, background 0.2s;
}

.portfolio-card:hover {
    border-color: rgba(74,143,255,0.3);
    background: rgba(11,17,32,0.5);
}

.portfolio-card .pc-tag {
    font-family: var(--mono);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.2rem;
    display: block;
}

.portfolio-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.8rem;
}

.portfolio-card p {
    font-size: 0.87rem;
    color: var(--slate);
    margin-bottom: 1.5rem;
}

.pc-demo {
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid rgba(74,143,255,0.3);
    padding-bottom: 1px;
    transition: border-color 0.2s;
}

.pc-demo:hover { border-color: var(--accent); color: var(--accent); }

.nda-notice {
    background: rgba(11,17,32,0.35);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 2rem 2.5rem;
    font-size: 0.9rem;
    color: var(--slate);
    line-height: 1.8;
}

.nda-notice strong { color: var(--ice); }

/* ── TEAM ── */
.section-team {
    padding: 5rem 0;
    border-bottom: 1px solid var(--border);
}

.promise-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.promise-list li {
    padding: 1.1rem 0;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 1.2rem;
    font-size: 0.95rem;
    color: var(--ice);
}

.promise-list li:last-child { border-bottom: 1px solid var(--border); }

.promise-list li .dot {
    color: var(--accent);
    font-family: var(--mono);
    font-size: 1rem;
    line-height: 1.7;
}

.promise-list li .pl-body {
    color: var(--slate);
    font-size: 0.9rem;
    margin-top: 0.2rem;
}

/* ── CONTACT ── */
.section-contact {
    padding: 5rem 0 4rem;
    background: var(--light-bg);
    border-top: 1px solid var(--light-border);
    border-bottom: 1px solid var(--light-border);
}

.section-contact .section-header h2 { color: var(--light-text); }
.section-contact .section-header p  { color: var(--light-sub); }
.section-contact .label             { color: var(--accent-dim); }

.contact-form-wrap {
    background: #fff;
    border: 1px solid var(--light-border);
    padding: 3rem;
}

.form-label {
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--light-sub);
    margin-bottom: 0.4rem;
    display: block;
}

.form-control-custom {
    display: block;
    width: 100%;
    background: var(--light-bg);
    border: 1px solid var(--light-border);
    color: var(--light-text);
    font-family: var(--sans);
    font-size: 0.95rem;
    padding: 0.7rem 1rem;
    outline: none;
    transition: border-color 0.2s;
    -webkit-appearance: none;
}

.form-control-custom:focus { border-color: var(--accent); }
.form-control-custom::placeholder { color: #aab8c8; }

textarea.form-control-custom { resize: vertical; min-height: 100px; }

.btn-submit {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #fff;
    background: var(--navy);
    border: none;
    padding: 0.85rem 2.5rem;
    cursor: pointer;
    transition: background 0.2s;
    width: 100%;
    margin-top: 0.5rem;
}

.btn-submit:hover { background: var(--navy-3); }

/* ── FOOTER ── */
.site-footer {
    padding: 2.5rem 0;
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--slate);
    letter-spacing: 0.06em;
}

.site-footer a {
    color: var(--slate);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* ── SECTION HEADER ── */
.section-header { margin-bottom: 3rem; }

.section-header h2 {
    font-weight: 300;
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    color: var(--white);
    line-height: 1.2;
    margin-top: 0.6rem;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.section-header h2 strong { font-weight: 600; }

.section-header p {
    color: var(--slate);
    font-size: 0.97rem;
    max-width: 560px;
    margin: 0;
}

/* ── RESPONSIVE ── */
@media (max-width: 767px) {
    .nav-links { display: none; }
    .hero { padding: 4rem 0 3.5rem; }
    .contact-form-wrap { padding: 2rem 1.5rem; }
}