/* ══════════════════════════════════════
   NixLab — Blueprint Engineering
   ══════════════════════════════════════ */

:root {
    --nix-1: #5277C3;
    --nix-2: #7EBAE4;
    --nix-glow: rgba(82, 119, 195, 0.12);
    --nix-faint: rgba(126, 186, 228, 0.06);
    --nix-border: rgba(82, 119, 195, 0.2);

    --bg: #08090E;
    --bg-surface: #0E1017;
    --bg-raised: #13151E;
    --text: #CDD4E0;
    --text-bright: #EEF0F6;
    --text-muted: #555D75;
    --border: rgba(255, 255, 255, 0.05);
    --border-accent: rgba(82, 119, 195, 0.12);

    --mono: 'JetBrains Mono', monospace;
    --sans: 'Space Grotesk', system-ui, sans-serif;
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--sans);
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    line-height: 1.6;
}
::selection { background: var(--nix-1); color: #fff; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Blueprint Grid Canvas ── */
#gridCanvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.4;
}

.container {
    position: relative;
    z-index: 1;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 28px;
}

/* ── Reveal ── */
.rv {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}
.rv.show { opacity: 1; transform: none; }
.d1 { transition-delay: 0.12s; }
.d2 { transition-delay: 0.22s; }
.d3 { transition-delay: 0.32s; }

/* ══════════ NAV ══════════ */
nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    height: 60px;
    background: rgba(8, 9, 14, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo-img {
    width: 32px !important;
    height: 32px !important;
    max-width: 32px;
    max-height: 32px;
    object-fit: contain;
    display: block;
    flex-shrink: 0;
    filter: drop-shadow(0 2px 8px rgba(82, 119, 195, 0.25));
}
.logo-text {
    font-family: var(--mono);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-bright);
    letter-spacing: -0.03em;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav-links {
    display: flex;
    gap: 24px;
}
.nav-links a {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    transition: color 0.25s;
}
.nav-links a:hover { color: var(--nix-2); }

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--nix-2);
    padding: 6px 14px;
    border: 1px solid var(--nix-border);
    border-radius: 100px;
    transition: all 0.25s;
}
.nav-cta:hover {
    background: var(--nix-faint);
    border-color: var(--nix-2);
}
.cta-dot {
    width: 6px; height: 6px;
    background: #22c55e;
    border-radius: 50%;
    animation: blink 2s ease infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* Burger */
.burger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 4px;
    padding: 6px;
}
.burger span {
    display: block;
    width: 18px;
    height: 1.5px;
    background: var(--text);
    border-radius: 1px;
    transition: 0.3s;
    transform-origin: center;
}
.burger.active span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

/* ══════════ HERO ══════════ */
.hero {
    position: relative;
    z-index: 1;
    padding-top: 60px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
    padding: 80px 0 40px;
}

.hero-tag {
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}
.hero-tag span { opacity: 0.6; }

.hero h1 {
    font-family: var(--sans);
    font-size: clamp(2.4rem, 4.8vw, 3.8rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.04em;
    color: var(--text-bright);
    margin-bottom: 24px;
}

.typed-line {
    display: inline;
}
.rotate-word {
    color: var(--nix-2);
    display: inline-block;
    min-width: 140px;
    transition: opacity 0.3s, transform 0.3s;
}
.rotate-word.fade {
    opacity: 0;
    transform: translateY(-6px);
}
.cursor {
    color: var(--nix-2);
    animation: cursorBlink 1s step-end infinite;
    font-weight: 400;
}
@keyframes cursorBlink { 50% { opacity: 0; } }

.hero-desc {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.75;
    max-width: 440px;
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* Terminal */
.hero-terminal {
    background: var(--bg-surface);
    border: 1px solid var(--border-accent);
    border-radius: 10px;
    overflow: hidden;
    box-shadow:
        0 0 60px rgba(82, 119, 195, 0.04),
        0 20px 60px rgba(0, 0, 0, 0.4);
}
.term-chrome {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.01);
}
.term-dots {
    display: flex;
    gap: 5px;
}
.term-dots i {
    width: 8px; height: 8px;
    border-radius: 50%;
    font-style: normal;
}
.term-dots i:nth-child(1) { background: #ef4444; }
.term-dots i:nth-child(2) { background: #f59e0b; }
.term-dots i:nth-child(3) { background: #22c55e; }
.term-title {
    font-family: var(--mono);
    font-size: 0.65rem;
    color: var(--text-muted);
}
.term-body {
    padding: 16px 18px;
    font-family: var(--mono);
    font-size: 0.72rem;
    line-height: 1.8;
}
.t-line { display: flex; gap: 8px; }
.t-prompt { color: var(--nix-2); user-select: none; }
.t-cmd { color: var(--text); }
.t-out { color: var(--text-muted); padding-left: 18px; }
.t-ok { color: var(--nix-2); }
.t-cursor {
    display: inline-block;
    width: 7px; height: 13px;
    background: var(--nix-2);
    animation: cursorBlink 1s step-end infinite;
}

.hero-bottom {
    display: flex;
    padding-bottom: 32px;
}
.hero-coord {
    font-family: var(--mono);
    font-size: 0.68rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
    opacity: 0.5;
}
.coord-pin { color: var(--nix-2); font-size: 0.55rem; }

/* ── Buttons ── */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    font-family: var(--mono);
    font-size: 0.78rem;
    font-weight: 500;
    color: #fff;
    background: var(--nix-1);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.25s;
}
.btn-primary:hover {
    background: var(--nix-2);
    color: var(--bg);
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(82, 119, 195, 0.3);
}
.btn-icon {
    font-size: 0.9rem;
    line-height: 1;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    padding: 12px 20px;
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: all 0.25s;
}
.btn-outline:hover {
    border-color: var(--nix-border);
    color: var(--nix-2);
}

.btn-full { width: 100%; justify-content: center; }

/* ══════════ SECTIONS ══════════ */
section {
    position: relative;
    z-index: 1;
    padding: 100px 0;
}

.section-num {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--nix-2);
    border: 1px solid var(--nix-border);
    padding: 3px 10px;
    border-radius: 4px;
    margin-bottom: 20px;
    letter-spacing: 0.04em;
}

.section-intro h2,
.about-left h2,
.contact-left h2 {
    font-family: var(--sans);
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.15;
    color: var(--text-bright);
    margin-bottom: 12px;
}

.highlight { color: var(--nix-2); }

.section-intro p {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 440px;
    margin-bottom: 48px;
}

/* ══════════ SERVICES — Spec List ══════════ */
.services {
    border-top: 1px solid var(--border);
}

.spec-list {
    display: flex;
    flex-direction: column;
}

.spec-item {
    border-bottom: 1px solid var(--border);
    transition: background 0.3s;
}
.spec-item:first-child {
    border-top: 1px solid var(--border);
}
.spec-item:hover {
    background: var(--bg-surface);
}

.spec-header {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 28px 0;
    cursor: pointer;
}

.spec-index {
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--nix-2);
    opacity: 0.5;
    min-width: 36px;
}

.spec-header h3 {
    font-family: var(--sans);
    font-size: 1.3rem;
    font-weight: 600;
    letter-spacing: -0.03em;
    color: var(--text-bright);
    flex: 1;
}

.spec-expand {
    font-family: var(--mono);
    font-size: 1.2rem;
    color: var(--text-muted);
    transition: transform 0.3s, color 0.3s;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.spec-item.open .spec-expand {
    transform: rotate(45deg);
    color: var(--nix-2);
}

.spec-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 0 0 56px;
}
.spec-item.open .spec-body {
    max-height: 300px;
    padding: 0 0 28px 56px;
}

.spec-body p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.75;
    max-width: 540px;
    margin-bottom: 16px;
}

.spec-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.spec-tags span {
    font-family: var(--mono);
    font-size: 0.68rem;
    color: var(--nix-2);
    background: var(--nix-faint);
    border: 1px solid var(--nix-border);
    padding: 4px 12px;
    border-radius: 4px;
}

/* ══════════ ABOUT ══════════ */
.about {
    border-top: 1px solid var(--border);
}

.about-content {
    max-width: 700px;
}

.about-content > p {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 40px;
}

.principle-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.principle {
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: 10px;
    transition: border-color 0.3s, background 0.3s;
}
.principle:hover {
    border-color: var(--nix-border);
    background: var(--bg-surface);
}

.principle h4 {
    font-family: var(--mono);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-bright);
    margin-bottom: 6px;
}
.principle p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}


/* ══════════ CONTACT ══════════ */
.contact {
    border-top: 1px solid var(--border);
}

.contact-box {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 48px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 48px;
}

.contact-left p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 28px;
}

.contact-meta {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.meta-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.meta-label {
    font-family: var(--mono);
    font-size: 0.62rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}
.meta-item a,
.meta-item span {
    font-family: var(--mono);
    font-size: 0.82rem;
    color: var(--nix-2);
}
.meta-item a {
    border-bottom: 1px dashed var(--nix-border);
    width: fit-content;
    transition: border-color 0.25s;
}
.meta-item a:hover { border-color: var(--nix-2); }
.meta-item span { color: var(--text); }

/* Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.form-group label {
    font-family: var(--mono);
    font-size: 0.68rem;
    color: var(--text-muted);
}

.form-group input,
.form-group textarea {
    font-family: var(--sans);
    font-size: 0.88rem;
    color: var(--text);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 14px;
    outline: none;
    transition: border-color 0.25s, box-shadow 0.25s;
    resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.4;
}
.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--nix-1);
    box-shadow: 0 0 0 3px var(--nix-glow);
}

/* ══════════ FOOTER ══════════ */
footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border);
    padding: 24px 0;
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer-copy {
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--text-muted);
}
.footer-links {
    display: flex;
    gap: 20px;
}
.footer-links a {
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    transition: color 0.25s;
}
.footer-links a:hover { color: var(--nix-2); }

/* ══════════ RESPONSIVE ══════════ */
@media (max-width: 900px) {
    .hero-grid { grid-template-columns: 1fr; gap: 32px; }
    .hero-terminal { max-width: 500px; }
    .principle-row { grid-template-columns: 1fr; }
    .contact-box { grid-template-columns: 1fr; }
    .nav-right { display: none; }
    .nav-links {
        display: none;
        position: fixed;
        inset: 0; top: 60px;
        background: var(--bg);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 28px;
    }
    .nav-links.open { display: flex; }
    .burger { display: flex; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 2rem; }
    .hero-actions { flex-direction: column; align-items: flex-start; }
    .principle-row { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .contact-box { padding: 28px; }
    .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
}