*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg: #080B10;
    --bg2: #0D1117;
    --bg3: #111820;
    --border: rgba(255,255,255,0.07);
    --accent: #00E5FF;
    --accent2: #FF6B35;
    --text: #E8EDF2;
    --muted: #6B7A8D;
    --syne: 'Syne', sans-serif;
    --dm: 'DM Sans', sans-serif;
}

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--dm);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
}

/* SPLASH */
.splash {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
}
.splash-logo {
    font-family: var(--syne);
    font-size: 2rem;
    font-weight: 800;
    color: var(--text);
    animation: pulse 1.2s ease-in-out infinite;
}
.splash-logo span { color: var(--accent); }
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* NAV */
nav.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5vw;
    height: 70px;
    background: rgba(8,11,16,0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transition: background 0.3s;
}

nav.nav.scrolled {
    background: rgba(8,11,16,0.97);
}

.nav-logo {
    font-family: var(--syne);
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    color: var(--text);
    text-decoration: none;
}
.nav-logo span { color: var(--accent); }

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--text); }

.nav-links a.nav-cta {
    background: var(--accent);
    color: #000 !important;
    padding: 0.45rem 1.1rem;
    border-radius: 4px;
    font-weight: 500;
    transition: opacity 0.2s;
}
.nav-links a.nav-cta:hover { opacity: 0.85; }

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
}

/* BUTTONS */
.btn-primary {
    background: var(--accent);
    color: #000;
    padding: 0.875rem 2rem;
    border-radius: 4px;
    font-family: var(--dm);
    font-weight: 500;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: opacity 0.2s, transform 0.2s;
    display: inline-block;
}
.btn-primary:hover { opacity: 0.85; transform: translateY(-1px); }

.btn-secondary {
    background: transparent;
    color: var(--text);
    padding: 0.875rem 2rem;
    border-radius: 4px;
    font-family: var(--dm);
    font-weight: 400;
    font-size: 0.95rem;
    border: 1px solid var(--border);
    cursor: pointer;
    text-decoration: none;
    transition: border-color 0.2s, transform 0.2s;
    display: inline-block;
}
.btn-secondary:hover { border-color: var(--muted); transform: translateY(-1px); }

/* SHARED */
.section-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.section-label::before {
    content: '';
    width: 16px;
    height: 1px;
    background: var(--accent);
}

h2 {
    font-family: var(--syne);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 1.25rem;
}

.section-desc {
    color: var(--muted);
    font-size: 1.05rem;
    max-width: 560px;
    line-height: 1.75;
    font-weight: 300;
}

/* HERO */
.hero {
    min-height: 100vh;
    padding: 120px 5vw 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
    opacity: 0.4;
}

.hero-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,229,255,0.08) 0%, transparent 70%);
    top: 10%; right: -10%;
    pointer-events: none;
}

.hero-glow2 {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,107,53,0.06) 0%, transparent 70%);
    bottom: 10%; left: 5%;
    pointer-events: none;
}

.hero-content {
    position: relative;
    max-width: 900px;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.5rem;
    animation: fadeUp 0.6s ease 0.1s both;
}
.hero-tag::before {
    content: '';
    width: 20px;
    height: 1px;
    background: var(--accent);
}

h1 {
    font-family: var(--syne);
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 800;
    line-height: 1.0;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    color: var(--text);
    animation: fadeUp 0.6s ease 0.2s both;
}
h1 em { font-style: normal; color: var(--accent); }

.hero-sub {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    color: var(--muted);
    max-width: 540px;
    margin-bottom: 2.5rem;
    font-weight: 300;
    line-height: 1.7;
    animation: fadeUp 0.6s ease 0.35s both;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    animation: fadeUp 0.6s ease 0.5s both;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
    animation: fadeUp 0.6s ease 0.65s both;
}

.stat-num {
    font-family: var(--syne);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.02em;
}
.stat-num span { color: var(--accent); }
.stat-label {
    font-size: 0.8rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 0.2rem;
}

/* MARQUEE */
.marquee-wrap {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    overflow: hidden;
    background: var(--bg2);
}
.marquee-track {
    display: flex;
    gap: 3rem;
    animation: marquee 25s linear infinite;
    width: max-content;
}
.marquee-item {
    font-family: var(--syne);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--muted);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 1rem;
}
.marquee-item::after { content: '·'; color: var(--accent); }

@keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* SERVICES */
.services-intro {
    max-width: 1100px;
    margin: 0 auto;
    padding: 100px 5vw 60px;
}

.services-grid {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 5vw 100px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 0;
}

.service-card {
    background: var(--bg);
    padding: 2.5rem;
    border: 1px solid var(--border);
    transition: background 0.2s;
}
.service-card:hover { background: var(--bg3); }

.service-icon {
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--accent);
    font-size: 1.2rem;
}

.service-card h3 {
    font-family: var(--syne);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.service-card p {
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.7;
    font-weight: 300;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.25rem;
}

.tag {
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--muted);
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    padding: 0.3rem 0.65rem;
    border-radius: 3px;
}

/* ABOUT */
.about-hero {
    max-width: 1100px;
    margin: 0 auto;
    padding: 100px 5vw 60px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-box {
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 2px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}
.about-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
}
.about-box-label {
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 1rem;
}

.code-block pre {
    font-family: 'Courier New', monospace;
    font-size: 0.82rem;
    line-height: 1.8;
    color: var(--muted);
    white-space: pre;
}
.code-block .kw { color: #569cd6; }
.code-block .str { color: #ce9178; }
.code-block .num { color: var(--accent); }
.code-block .cm { color: #6a9955; }

.about-values {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 5vw 80px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.value-item {
    padding: 2rem 0;
    border-top: 1px solid var(--border);
}
.value-num {
    font-family: var(--syne);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
}
.value-item h3 {
    font-family: var(--syne);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}
.value-item p {
    color: var(--muted);
    font-size: 0.88rem;
    line-height: 1.7;
    font-weight: 300;
}

/* CONTACT */
.contact-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 100px 5vw;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: start;
}

.contact-info h2 { margin-bottom: 1rem; }
.contact-info > p {
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.75;
    font-weight: 300;
    margin-bottom: 2rem;
}

.contact-detail {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}
.contact-detail-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}
.contact-detail-icon {
    width: 36px;
    height: 36px;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
    font-size: 0.9rem;
}
.contact-detail-text strong {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 0.15rem;
}
.contact-detail-text span {
    font-size: 0.85rem;
    color: var(--muted);
    font-weight: 300;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.form-group label {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--muted);
}
.form-group input,
.form-group select,
.form-group textarea {
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.875rem 1rem;
    color: var(--text);
    font-family: var(--dm);
    font-size: 0.95rem;
    font-weight: 300;
    outline: none;
    transition: border-color 0.2s;
    width: 100%;
}
.form-group select option { background: var(--bg3); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent); }
.form-group textarea { min-height: 140px; resize: vertical; }

.validation-message {
    font-size: 0.78rem;
    color: #ff6b6b;
    margin-top: 0.25rem;
}

.success-msg {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 3rem;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 4px;
    border-top: 2px solid var(--accent);
}
.success-icon {
    width: 48px;
    height: 48px;
    background: rgba(0,229,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.2rem;
}
.success-msg h3 {
    font-family: var(--syne);
    font-size: 1.25rem;
    font-weight: 700;
}
.success-msg p {
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 300;
}

/* FOOTER */
footer {
    border-top: 1px solid var(--border);
    padding: 2rem 5vw;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg2);
}
.footer-logo {
    font-family: var(--syne);
    font-weight: 800;
    font-size: 1rem;
    color: var(--text);
}
.footer-logo span { color: var(--accent); }
footer p {
    font-size: 0.8rem;
    color: var(--muted);
    font-weight: 300;
}

/* ANIMATIONS */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

/* FOCUS */
h1:focus, h2:focus, h3:focus { outline: none; }

/* BLAZOR ERROR */
#blazor-error-ui {
    background: #2d1b1b;
    border-top: 1px solid #ff6b6b;
    color: var(--text);
    display: none;
    font-size: 0.85rem;
    padding: 0.75rem 1rem;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 1000;
}
#blazor-error-ui .reload { color: var(--accent); text-decoration: underline; cursor: pointer; margin-left: 0.5rem; }
#blazor-error-ui .dismiss { cursor: pointer; float: right; }

/* RESPONSIVE */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 70px; left: 0; right: 0;
        background: var(--bg2);
        border-bottom: 1px solid var(--border);
        padding: 1.5rem 5vw;
        gap: 1.5rem;
    }
    .hamburger { display: flex; }
    .about-hero { grid-template-columns: 1fr; gap: 2rem; }
    .about-values { grid-template-columns: 1fr; }
    .contact-inner { grid-template-columns: 1fr; gap: 3rem; }
    .form-row { grid-template-columns: 1fr; }
    .hero-stats { gap: 2rem; }
    .services-grid { grid-template-columns: 1fr; }
}