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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.7;
    background: #0f172a;
    color: #e2e8f0;
    scroll-behavior: smooth;
}

h1,h2,h3,h4 { font-weight:600; }

.container {
    max-width:1100px;
    margin:auto;
    padding:100px 20px;
}

.narrow { max-width:750px; }

.navbar {
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px 40px;
    background:#0f172a;
    border-bottom:1px solid rgba(255,255,255,0.05);
    position:sticky;
    top:0;
    z-index:1000;
}

.navbar a {
    margin-left:20px;
    text-decoration:none;
    color:#94a3b8;
    font-size:14px;
}

.logo {
    font-weight:700;
    font-size:18px;
    letter-spacing:1px;
}

/* HERO */

.hero {
    text-align:center;
    background: radial-gradient(circle at top, #1e293b, #0f172a);
}

.hero h1 {
    font-size:48px;
    margin-bottom:20px;
}

.hero p {
    color:#94a3b8;
    margin-bottom:30px;
}

.primary-btn {
    padding:14px 28px;
    background:linear-gradient(135deg,#2563eb,#1d4ed8);
    color:white;
    text-decoration:none;
    border-radius:6px;
    font-weight:500;
}

.secondary-btn {
    padding:14px 28px;
    border:1px solid rgba(255,255,255,0.2);
    color:#e2e8f0;
    text-decoration:none;
    border-radius:6px;
    transition:0.3s;
}

.section.light {
    background:#111827;
}

.section.dark {
    background:#0f172a;
    text-align:center;
}

.grid {
    display:flex;
    gap:30px;
    margin-top:50px;
}

.card {
    flex:1;
    padding:30px;
    background:#1e293b;
    border-radius:8px;
    border:1px solid rgba(255,255,255,0.05);
    transition:0.3s;
}

.card:hover {
    transform:translateY(-5px);
    border-color:#2563eb;
}

.stats {
    display:flex;
    justify-content:space-between;
    margin-top:50px;
}

.stats h3 {
    font-size:36px;
}

/* ARCHITECTURE */

.architecture-section {
    background:#0b1220;
}

.architecture-sub {
    color:#94a3b8;
    margin-bottom:60px;
}

.architecture-stack {
    display:flex;
    flex-direction:column;
    gap:20px;
}

.layer {
    padding:25px;
    background:#1e293b;
    border-radius:8px;
    border-left:4px solid #334155;
    transition:0.3s;
}

.layer h4 {
    margin-bottom:8px;
    font-size:16px;
}

.layer p {
    color:#94a3b8;
    font-size:14px;
}

.layer.highlight {
    border-left:4px solid #2563eb;
    background:#1e3a8a;
}

.layer.base {
    border-left:4px solid #16a34a;
}

/* CONTACT */

.contact-card {
    text-align:center;
}

.contact-actions {
    margin-top:25px;
    display:flex;
    justify-content:center;
    gap:20px;
}

footer {
    text-align:center;
    padding:40px;
    font-size:14px;
    background:#0b1220;
    color:#64748b;
}
/* ========================= */
/* ENTERPRISE ARCHITECTURE   */
/* ========================= */

.architecture-section {
    background: #0b1220;
    position: relative;
}

.architecture-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(
        rgba(255,255,255,0.03) 1px,
        transparent 1px
    ),
    linear-gradient(
        90deg,
        rgba(255,255,255,0.03) 1px,
        transparent 1px
    );
    background-size: 40px 40px;
    pointer-events: none;
}

.architecture-header {
    text-align: center;
    margin-bottom: 80px;
}

.architecture-header h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

.architecture-header p {
    color: #94a3b8;
    max-width: 600px;
    margin: auto;
}

.architecture-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.architecture-layer {
    width: 80%;
    padding: 25px 30px;
    background: #1e293b;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.05);
    text-align: center;
    transition: 0.3s ease;
    position: relative;
}

.architecture-layer:hover {
    transform: translateY(-4px);
    border-color: #2563eb;
}

.layer-title {
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.layer-content {
    font-size: 14px;
    color: #94a3b8;
}

.connector {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, #2563eb, transparent);
}

.highlight {
    background: linear-gradient(135deg, #1e3a8a, #1e293b);
    border-color: #2563eb;
    box-shadow: 0 0 25px rgba(37,99,235,0.3);
}

.base {
    border-color: #16a34a;
}
.contact-intro {
    color: #94a3b8;
    margin-bottom: 40px;
    font-size: 16px;
}

.contact-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 6px;
}

.contact-title {
    color: #94a3b8;
    margin-bottom: 12px;
    font-size: 14px;
}

.contact-email a {
    color: #60a5fa;
    text-decoration: none;
    font-size: 15px;
}

.contact-email a:hover {
    text-decoration: underline;
}
.logo {
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 1px;
    color: #e2e8f0;
    text-decoration: none;
}
.logo {
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 1px;
    color: #e2e8f0;
    text-decoration: none;
}
.hero-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 30px;   /* add this */
}

.secondary-btn:hover {
    background: rgba(255,255,255,0.05);
    border-color:#2563eb;
}

.contact-details {
    margin-bottom: 40px;
}