/* Raleway & Open Sans Fonts */
@import url("https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300..800;1,300..800&family=Raleway:ital,wght@0,100..900;1,100..900&display=swap");

/* Variables */
:root {
  --head-font: "Raleway", sans-serif;
  --body-font: "Open Sans", sans-serif;
  --text-bg-color: hsl(243, 87%, 12%);
  --button-bg-color: hsl(224, 93%, 58%);
  --button-hover-bg-color: hsl(224, 93%, 68%);
  --input-and-placeholder-color: hsl(0, 0%, 75%);
  --section-bg-color: hsl(240, 75%, 98%);
  --link-color: hsl(170, 45%, 43%);
  --link-color-hover: hsl(171, 55%, 66%);
  --CTA-bg-color: hsl(238, 22%, 44%);
  --footer-bg-color: hsl(243, 87%, 12%);
}

/* General Style */

* {
  margin: 0;
  padding: 0;
}

html {
  font-size: 62.5%;
}

body {
  min-height: 100vh;
  font-size: 1.8rem;
  font-family: var(--body-font);
  color: var(--text-bg-color);
}

a {
  display: inline-block;
  text-decoration: none;
}

img {
  display: block;
  /* max-width: 100%; */
}

/* Buttons */

.btn-custom-hero {
  font-size: 1.6rem;
  padding: 1rem 2rem;
  background-color: var(--button-bg-color);
}

.btn-custom-subscription {
  padding: 1rem 2rem;
  font-size: 1.6rem;
  background-color: var(--button-bg-color);
}

.btn-custom-hero:hover,
.btn-custom-subscription:hover {
  background-color: var(--button-hover-bg-color);
}

/* Fylo Landing Page */

.header,
.features-section,
.footer-section {
  padding: 6rem 0;
}

/* Nav Section */

.nav-links {
  gap: 4rem;
}

.nav-link {
  color: var(--text-bg-color);
}

/* Hero Section */

.header-hero-section {
  font-family: var(--head-font);
  font-size: 4rem;
  font-weight: 700;
  line-height: 150%;
  margin-bottom: 2rem;
}

.paragraph-hero-section {
  max-width: 90%;
  line-height: 150%;
  margin-bottom: 2rem;
}

.features-section {
  background-color: var(--section-bg-color);
}

.email-holder {
  border: 1px solid var(--input-and-placeholder-color);
  padding: 1rem;
  outline-color: var(--text-bg-color);
  border-radius: 4px;
}

.email-holder::placeholder {
  font-size: 1.8rem;
  color: var(--input-and-placeholder-color);
}

/* Features Section */

.bg-curve {
  width: 2000px;
}

.header-features-section {
  font-family: var(--head-font);
  font-size: 3.8rem;
  font-weight: 700;
  line-height: 150%;
  margin-bottom: 2rem;
}

.link {
  max-width: 30%;
  line-height: 200%;
  margin-bottom: 5rem;
  border-bottom: 1px solid var(--link-color);
}

.link:hover {
  opacity: 0.8;
}
.link a {
  color: var(--link-color);
}

.link a:hover {
  color: var(--link-color-hover);
}
.link img {
  display: inline-block;
  width: 2rem;
  height: 2rem;
}

.features-card {
  max-width: 35rem;
  background-color: #fff;
  border-radius: 0.5rem;
  padding: 3rem;
  box-shadow: 5px 5px 15px rgba(0, 0, 0, 0.1);
}

.features-card img {
  margin-bottom: 1.5rem;
}

.features-card p {
  font-size: 1.4rem;
  line-height: 160%;
  margin-bottom: 2rem;
}

.card-author {
  gap: 1rem;
}

.card-author img {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
}

.card-author-text {
  width: 100%;
}
.card-author-text h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.card-author-text p {
  font-size: 1rem;
}

/* CTA Section */

.cta-section {
  padding: 8rem 0;
  background-color: var(--CTA-bg-color);
}

.header-cta-section {
  font-family: var(--head-font);
  font-size: 3.5rem;
  font-weight: 600;
  line-height: 150%;
  margin-bottom: 2rem;
  color: var(--section-bg-color);
}

.paragraph-cta-section {
  max-width: 80%;
  color: var(--section-bg-color);
  font-weight: 400;
}

/* Footer Section */

.footer-section {
  background-color: var(--footer-bg-color);
}

.footer-section a {
  color: var(--section-bg-color);
  font-weight: 400;
  transition: all 0.3s ease-in-out;
}

.footer-section a:hover {
  color: var(--button-hover-bg-color);
}

.footer-links i {
  cursor: pointer;
  transition: all 0.3s ease-in-out;
  font-size: 1.6rem;
  padding: 1.3rem;
  width: 4.2rem;
  height: 4.2rem;
  border-radius: 50%;
  border: 1px solid #fff;
}

.footer-links i:hover {
  color: var(--link-color-hover);
  border: 1px solid var(--link-color-hover);
}

/* Media Queries */

@media (max-width: 768px) {
  .header,
  .hero,
  .features-section,
  .cta-section,
  .footer-section {
    padding: 4rem;
  }

  .header img {
    width: 12rem;
  }

  .nav-links {
    gap: 2rem;
  }

  .nav-links a {
    font-size: 1.6rem;
  }

  .hero-content h1 {
    font-size: 3.5rem;
  }

  .paragraph-hero-section {
    max-width: 100%;
    font-size: 2rem;
  }

  .link {
    max-width: 50%;
    margin: 0 auto 6rem;
    text-align: center;
  }

  .features-card {
    max-width: 100%;
  }

  .header-cta-section {
    font-size: 3rem;
    text-align: center;
  }

  .paragraph-cta-section {
    max-width: 100%;
    text-align: center;
  }

  .email-container {
    margin-bottom: 1rem;
  }

  .btn-custom-subscription {
    width: 100%;
  }
}