* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: #0b1f2a;
  color: #ffffff;
  line-height: 1.6;
  padding-top: 90px; /* COMPENSA HEADER FIJO */
}

/* ===== HEADER ===== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 90px; /* ALTURA DEFINIDA */
  padding: 0 10%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(11,31,42,0.95);
  backdrop-filter: blur(8px);
  z-index: 1001;
}

.header img {
  width: 120px;
}

.menu-toggle {
  font-size: 28px;
  cursor: pointer;
  z-index: 1002;
}

/* ===== SIDE MENU ===== */

.nav-menu {
  position: fixed;
  top: 0;
  right: -260px;
  width: 260px;
  height: 100vh;
  background: #081821;
  padding: 120px 30px;
  transition: 0.3s ease;
  z-index: 1000;
}

.nav-menu a {
  display: block;
  color: #ffffff;
  text-decoration: none;
  font-size: 18px;
  margin-bottom: 25px;
  transition: 0.3s;
}

.nav-menu a:hover {
  color: #00b894;
}

.nav-menu.active {
  right: 0;
}

/* ===== SECTIONS ===== */

section {
  padding: 120px 10%;
}

/* HERO */

.hero {
  height: calc(100vh - 90px); /* RESTA ALTURA HEADER */
  display: flex;
  align-items: center;
  background: linear-gradient(rgba(11,31,42,0.85), rgba(11,31,42,0.9)), 
              url('hero-bg.jpg') center/cover no-repeat;
}

.hero-content {
  max-width: 750px;
  animation: fadeUp 1.2s ease forwards;
}

.hero h1 {
  font-size: 50px;
  margin-bottom: 20px;
}

.hero p {
  font-size: 20px;
  margin-bottom: 30px;
}

/* BUTTON */

.btn-primary {
  display: inline-block;
  padding: 14px 28px;
  background: #00b894;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  transition: 0.3s ease;
}

.btn-primary:hover {
  background: #019875;
}

/* GRID */

.solutions-grid,
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 40px;
  margin-top: 50px;
}

.card {
  background: #122b3a;
  padding: 30px;
  border-radius: 8px;
  transition: 0.4s ease;
  transform: translateY(30px);
  opacity: 0;
}

.card.visible {
  transform: translateY(0);
  opacity: 1;
}

.card:hover {
  transform: translateY(-8px);
}

.founder {
  background: #0e2533;
}

footer {
  text-align: center;
  padding: 40px 0;
  background: #081821;
}

/* ANIMATION */

@keyframes fadeUp {
  from {opacity: 0; transform: translateY(40px);}
  to {opacity: 1; transform: translateY(0);}
}