:root {
  --green: #00c896;
  --yellow: #ffe600;
  --black: #111;
  --white: #fff;
}

body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background-color: var(--white);
  color: var(--black);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 5%;
}

/* Header */
.demo-header {
  background-color: var(--black);
  padding: 20px 0;
  color: var(--white);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-text {
  font-size: 1.4rem;
  font-weight: 700;
}

.logo-icon {
  color: var(--green);
  margin-right: 6px;
}

.tagline {
  font-size: 1rem;
  margin-right: 20px;
}

.buy-button {
  background-color: var(--green);
  color: var(--white);
  padding: 10px 20px;
  border-radius: 4px;
  font-weight: 600;
  text-decoration: none;
}

.buy-button:hover {
  background-color: var(--yellow);
  color: var(--black);
}

/* Main */
.demo-main {
  padding: 80px 0;
  text-align: center;
}

.demo-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 40px;
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
}

.demo-card {
  background-color: #f9f9f9;
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}

.demo-card:hover {
  box-shadow: 0 6px 16px rgba(0,0,0,0.1);
}

.demo-card img {
  width: 100%;
  height: auto;
  display: block;
}

.demo-card h3 {
  padding: 20px;
  font-size: 1.2rem;
  color: var(--black);
}

/* Footer */
.demo-footer {
  background-color: var(--black);
  color: var(--white);
  text-align: center;
  padding: 30px 0;
  font-size: 0.9rem;
}

/* header */

.portoex-hero {
  position: relative;
  background-image: url('../img/hero-bg.png'); /* Replace with your image path */
  background-size: cover;
  background-position: center;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}

.hero-overlay {
  background-color: rgba(0, 0, 0, 0.6);
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  padding: 0 5%;
}

.hero-subtitle {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--yellow);
  margin-bottom: 10px;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.hero-title span {
  color: var(--green);
}

.hero-description {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 30px;
  color: #eee;
}

.hero-button {
  background-color: var(--green);
  color: var(--white);
  padding: 12px 30px;
  border-radius: 4px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.3s ease;
}

.hero-button:hover {
  background-color: var(--yellow);
  color: var(--black);
}

/* section */
.portoex-features {
  background-color: var(--white);
  padding: 80px 5%;
  text-align: center;
  color: var(--black);
}

.features-subtitle {
  font-size: 1rem;
  color: #888;
  margin-bottom: 10px;
}

.features-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 40px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 40px;
}

.feature-card {
  background-color: #f9f9f9;
  border-radius: 8px;
  padding: 30px 20px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
}

.feature-card i {
  font-size: 2rem;
  color: var(--green);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.95rem;
  color: #555;
}