/* ==== RESET & TYPOGRAPHY ==== */
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { font-family:'Segoe UI',Arial,sans-serif; line-height:1.6; color:#222; background:#f9fcff; }
h1,h2,h3,h4 { font-weight:700; }
a { text-decoration:none; color:inherit; }

/* ==== COLOUR PALETTE ==== */
:root {
  --azure: #0078d4;      /* Azure blue */
  --aws:   #ff9900;      /* AWS orange */
  --gcp:   #34a853;      /* GCP green */
  --accent:#9c27b0;      /* Purple accent */
  --light:#e3f2fd;
  --dark: #212121;
}

/* ==== LAYOUT ==== */
.container { max-width:1200px; margin:auto; padding:0 20px; }
section { padding:80px 0; }
section:nth-child(even) { background:#fff; }

/* ==== NAVIGATION ==== */
nav {
  background:var(--azure);
  position:sticky; top:0; z-index:1000;
  box-shadow:0 2px 10px rgba(0,0,0,.1);
}
nav .container { display:flex; justify-content:space-between; align-items:center; height:70px; }
nav .logo { display:flex; align-items:center; font-weight:900; font-size:1.5rem; color:#fff; }
nav .logo img { height:45px; margin-right:8px; }
nav ul { display:flex; list-style:none; }
nav ul li { margin-left:1.5rem; }
nav ul a { color:#fff; font-weight:600; transition:.3s; }
nav ul a:hover { color:var(--aws); }

/* ==== HERO ==== */
.hero {
  background:linear-gradient(135deg, var(--azure) 0%, var(--gcp) 100%), url('assets/hero-bg.jpg') center/cover;
  color:#fff; text-align:center; padding:160px 20px;
}
.hero h1 { font-size:3.5rem; margin-bottom:1rem; text-shadow:0 2px 4px rgba(0,0,0,.4); }
.hero p { font-size:1.3rem; max-width:700px; margin:auto; margin-bottom:2rem; }
.cta-btn {
  background:var(--aws); color:#fff; padding:.8rem 2rem; border-radius:50px;
  font-weight:600; transition:.3s; display:inline-block;
}
.cta-btn:hover { background:var(--accent); transform:scale(1.05); }

/* ==== SECTION HEADERS ==== */
.section-title { text-align:center; margin-bottom:3rem; font-size:2.5rem; color:var(--dark); }
.section-title span { color:var(--azure); }

/* ==== FEATURES / PRODUCTS ==== */
.card-grid { display:grid; gap:2rem; grid-template-columns:repeat(auto-fit, minmax(280px,1fr)); }
.card {
  background:#fff; border-radius:12px; overflow:hidden; box-shadow:0 6px 20px rgba(0,0,0,.08);
  transition:transform .3s, box-shadow .3s;
}
.card:hover { transform:translateY(-10px); box-shadow:0 12px 30px rgba(0,0,0,.15); }
.card img { width:100%; height:180px; object-fit:cover; }
.card .content { padding:1.5rem; }
.card h3 { margin-bottom:.5rem; color:var(--azure); }
.card .price { font-size:1.4rem; color:var(--aws); font-weight:600; margin-top:.5rem; }

/* ==== TESTIMONIALS ==== */
.testimonials { background:var(--light); }
.testimonial-grid { display:grid; gap:2rem; grid-template-columns:repeat(auto-fit, minmax(300px,1fr)); }
.testimonial {
  background:#fff; padding:2rem; border-radius:12px; box-shadow:0 4px 12px rgba(0,0,0,.05);
  position:relative;
}
.testimonial img { width:70px; height:70px; border-radius:50%; position:absolute; top:-35px; left:50%; transform:translateX(-50%); border:4px solid #fff; }
.testimonial p { margin-top:2rem; font-style:italic; }
.testimonial .author { margin-top:1rem; font-weight:600; text-align:right; color:var(--azure); }

/* ==== PRICING ==== */
.pricing .card { text-align:center; }
.pricing .card.popular { border:3px solid var(--aws); transform:scale(1.05); }
.pricing .card ul { list-style:none; margin:1.5rem 0; }
.pricing .card li { margin:.5rem 0; }

/* ==== FOOTER ==== */
footer { background:var(--dark); color:#fff; padding:3rem 0; text-align:center; }
footer .social a { margin:0 .5rem; font-size:1.5rem; color:#fff; transition:.3s; }
footer .social a:hover { color:var(--aws); }

/* ==== RESPONSIVE ==== */
@media (max-width:768px){
  nav .container { flex-direction:column; height:auto; padding:1rem 0; }
  nav ul { margin-top:1rem; }
  .hero h1 { font-size:2.5rem; }
  .hero { padding:100px 20px; }
}