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

:root {
    --blue: #1565D8;
    --blue-light: #2E7CF6;
    --blue-glow: rgba(21, 101, 216, 0.15);
    --bg: #0A0A0A;
    --sidebar-bg: #0E0E0E;
    --surface: #111111;
    --surface-border: #1A1A1A;
    --text: #E8E8E8;
    --text-muted: #888888;
    --sidebar-w: 220px;
    --white: #FFFFFF;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Outfit', sans-serif;
    font-weight: 300;
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
}

/* ── Sidebar ── */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-w);
    height: 100vh;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--surface-border);
    display: flex;
    flex-direction: column;
    padding: 2rem 0;
    z-index: 100;
}

.sidebar-logo {
    display: flex;
    justify-content: center;
    padding: 0 1.5rem 2rem;
    border-bottom: 1px solid var(--surface-border);
    margin-bottom: 1.5rem;
}

.sidebar-logo img {
    height: 96px;
    display: block;
    filter: drop-shadow(0 0 20px var(--blue-glow));
}

.sidebar-nav {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0 0.75rem;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    padding: 0.65rem 1rem;
    border-radius: 8px;
    transition: color 0.25s ease, background 0.25s ease;
}

.sidebar-nav a svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    opacity: 0.5;
    transition: opacity 0.25s ease;
}

.sidebar-nav a:hover {
    color: var(--text);
    background: rgba(255,255,255,0.04);
}

.sidebar-nav a:hover svg { opacity: 0.8; }

.sidebar-nav a.active {
    color: var(--text);
    background: rgba(21, 101, 216, 0.1);
}

.sidebar-nav a.active svg { opacity: 1; stroke: var(--blue-light); }

.sidebar-contact {
    margin-top: auto;
    padding: 1.25rem 1.5rem 1rem;
    border-top: 1px solid var(--surface-border);
    text-align: center;
}

.sidebar-contact__label {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 0.4rem;
}

.sidebar-contact__link {
    color: var(--blue-light);
    text-decoration: none;
    font-weight: 400;
    transition: color 0.25s ease;
}

.sidebar-contact__link:hover { color: var(--text); }

.sidebar-footer {
    padding: 1.5rem 1.5rem 0rem;
    border-top: 1px solid var(--surface-border);
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ── Mobile hamburger ── */
.hamburger {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 200;
    background: var(--surface);
    border: 1px solid var(--surface-border);
    border-radius: 8px;
    padding: 0.6rem;
    cursor: pointer;
    color: var(--text);
}
.hamburger svg { width: 22px; height: 22px; display: block; }

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 90;
}

/* ── Main content ── */
.main {
    margin-left: var(--sidebar-w);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Hero */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 2rem 4rem;
    /* flex: 1; */
}

.hero-logo {
    width: min(340px, 75vw);
    margin-bottom: 2.5rem;
    filter: drop-shadow(0 0 40px var(--blue-glow));
}

.hero h1 {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    /*background: linear-gradient(135deg, var(--text) 0%, var(--blue-light) 100%);
     -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text; */
    color: var(--blue-light);
    background-clip: text;
    -webkit-background-clip: text;
}

.hero .tagline {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 520px;
}

/* Divider */
.divider {
    width: 60px;
    height: 2px;
    background: var(--blue);
    margin: 0 auto 3rem;
    border-radius: 1px;
}

/* About */
.about {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 2rem 5rem;
}

.about h2 {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--blue-light);
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.about p {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 1.2rem;
}

.about p:last-child { margin-bottom: 0; }

/* Products */
.products {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 2rem 5rem;
}

.products > h2 {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--blue-light);
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.product-card {
    background: var(--surface);
    border: 1px solid var(--surface-border);
    border-radius: 14px;
    padding: 1.5rem;
}

.product-title {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 0.8rem;
}

.product-description {
    color: var(--text-muted);
    font-size: 1.02rem;
    margin-bottom: 1rem;
}

.product-links {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.product-links a {
    color: var(--blue-light);
    text-decoration: none;
    font-weight: 400;
    transition: color 0.25s ease;
}

.product-links a:hover { color: var(--text); }

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--surface-border);
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ── Mobile ── */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    .sidebar.open { transform: translateX(0); }
    .sidebar-overlay.open { display: block; }
    .hamburger { display: block; }
    .main { margin-left: 0; }
    .hero { padding: 5rem 1.5rem 3rem; }
    .about { padding: 0 1.5rem 4rem; }
    .products { padding: 0 1.5rem 4rem; }
}