/* --------------------
 Global
-------------------- */
:root {
  --bg-dark: #0c0d10;
  --bg-card: #121822;
  --bg-card-hover: #182230;
  --text-main: #e8ecf2;
  --text-muted: #b7c1d1;
  --accent: #3a7bfd;
  --accent-glow: rgba(58,123,253,0.4);
  --radius: 18px;
  --transition: 0.25s ease;
}

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

body {
  font-family: "Inter", sans-serif;
  background: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.7;
}

.container {
  max-width: 1300px;
  margin: auto;
  padding: 2rem;
}

.hero, .about, .contact {
  display: block;
}

/* --------------------
 Header
-------------------- */
.site-header {
  display: flex;
  justify-content: center;
  padding: 1rem 0 2rem;
}

nav {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  justify-content: space-between;
}

.logo {
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.5px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
}

nav a {
  text-decoration: none;
  color: var(--text-main);
  font-weight: 500;
  transition: var(--transition);
}

nav a:hover {
  color: var(--accent);
}

/* --------------------
 Hero Section
-------------------- */
.hero {
  text-align: center;
  margin-bottom: 3rem;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
}

.hero-gradient {
  text-align: center;
  margin-bottom: 3rem;
  padding: 6rem 2rem;
  background: linear-gradient(135deg, #1f2a56 0%, #121822 100%);
  border-radius: var(--radius);
  color: #c1c9e3; /* plus doux que blanc pur */
  box-shadow: 0 12px 40px rgba(58,123,253,0.25);
}

.hero-gradient h1 {
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  text-transform: uppercase;
  text-shadow: 0 0 5px rgba(58,123,253,0.3);
  color: var(--accent);
}

.hero-gradient p {
  font-size: 1.4rem;
  max-width: 720px;
  margin: 0 auto 2.5rem;
  font-weight: 500;
  color: #8f98b3cc;
}

.hero-minimal {
  text-align: center;
  margin-bottom: 4rem;
  padding: 8rem 1rem;
  color: var(--accent);
  font-weight: 700;
}

.hero-minimal h1 {
  font-size: 4rem;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
  font-family: "Inter", sans-serif;
  font-weight: 900;
  color: var(--accent);
  text-shadow: 0 0 8px rgba(58,123,253,0.3);
}

.hero-minimal p {
  font-size: 1.6rem;
  font-weight: 500;
  color: #b0b8cc;
  max-width: 600px;
  margin: 0 auto 3rem;
}


.hero-glass {
  text-align: center;
  margin-bottom: 3rem;
  padding: 5rem 2rem;
  background: rgba(20, 26, 38, 0.85);
  border-radius: var(--radius);
  backdrop-filter: blur(14px);
  box-shadow: 0 0 20px rgba(58, 123, 253, 0.25);
  color: var(--text-main);
  position: relative;
  overflow: hidden;
}

.hero-glass h1 {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 1rem;
  animation: fadeInUp 1s ease forwards;
  color: var(--accent);
  text-shadow: 0 0 8px rgba(58,123,253,0.4);
}

.hero-glass p {
  font-size: 1.25rem;
  max-width: 680px;
  margin: 0 auto 2rem;
  color: #a5aec4cc;
  animation: fadeInUp 1.2s ease forwards;
}

.btn-primary {
  padding: 0.9rem 1.8rem;
  border-radius: var(--radius);
  font-weight: 600;
  background: var(--accent);
  color: white;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  display: inline-block;
}

.btn-primary:hover {
  box-shadow: 0 0 18px var(--accent-glow);
  transform: translateY(-2px);
}

/* --------------------
 Product Cards Section
-------------------- */
.products {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 2.5rem;
  margin-top: 2rem;
}

.product-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  box-shadow: 0 8px 25px rgba(0,0,0,0.45);
  transition: var(--transition);
  min-height: 290px;
}

.product-card:hover {
  transform: translateY(-6px);
  background: var(--bg-card-hover);
  box-shadow: 0 16px 40px rgba(58,123,253,0.15);
}

.product-card h2 {
  font-size: 1.4rem;
  color: var(--accent);
  font-weight: 700;
}

.product-card p {
  font-size: 0.98rem;
  color: var(--text-muted);
  flex: 1;
}

.btn-secondary {
  padding: 0.8rem 1.4rem;
  border-radius: var(--radius);
  background: #1b2636;
  color: #d8e4f7;
  font-weight: 600;
  text-align: center;
  display: inline-block;
  text-decoration: none;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: var(--accent);
  color: white;
}

.features-list {
  list-style: inside disc;
  margin-top: 1rem;
  margin-bottom: 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.features-list li {
  margin-bottom: 0.6rem;
}

.features-list strong {
  color: var(--accent);
}
/* --------------------
 About / Contact Sections
-------------------- */
.about,
.contact {
  margin-top: 4rem;
  text-align: center;
}

.about h2,
.contact h2 {
  font-size: 2rem;
  margin-bottom: 1.2rem;
}

.about p,
.contact p {
  max-width: 680px;
  margin: auto;
  color: var(--text-muted);
}

.hero {
  padding-top: 6rem;
}

.about,
.contact {
  padding-top: 4rem;
}

.about, .contact {
  border-top: 1px solid rgba(255,255,255,0.05);
}
/* --------------------
 Footer
-------------------- */
footer {
  text-align: center;
  padding: 2rem;
  margin-top: 4rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  opacity: 0.8;
}

/* --------------------
  Icon
-------------------- */

.tech-icons {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
  gap: 3rem;
  color: var(--accent);
}

.tech-icons i {
  font-size: 3.5rem;
  transition: color 0.3s ease;
  cursor: default;
}

.tech-icons i:hover {
  color: var(--accent-glow);
  transform: scale(1.2);
}