/*=============== GOOGLE FONTS ===============*/
@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@100..900&family=Saira:wght@100..900&display=swap");

/*=============== VARIABLES CSS ===============*/
:root {
  --header-height: 3.5rem;

  /*========== Colors ==========*/
  /*Color mode HSL(hue, saturation, lightness)*/
  --first-color: hsl(166, 80%, 40%);
  --first-color-alt: hsl(166, 78%, 38%);
  --title-color: hsl(166, 95%, 15%);
  --text-color: hsl(166, 12%, 40%);
  --white-color: hsl(166, 100%, 99%);
  --dark-color: hsl(166, 95%, 12%);
  --body-color: hsl(166, 56%, 18%);
  --body-white-color: hsl(0, 0%, 100%);
  --body-first-color: hsl(166, 80%, 40%);

  /*========== Font and typography ==========*/
  /*.5rem = 8px | 1rem = 16px ...*/
  --body-font: "Montserrat", serif;
  --second-font: "Saira", serif;
  --biggest-font-size: 4.5rem;
  --big-font-size: 2.5rem;
  --h1-font-size: 1.5rem;
  --h2-font-size: 1.25rem;
  --h3-font-size: 1rem;
  --normal-font-size: 0.938rem;
  --small-font-size: 0.813rem;

  /*========== Font weight ==========*/
  --font-regular: 400;
  --font-medium: 500;
  --font-semi-bold: 600;

  /*========== z index ==========*/
  --z-tooltip: 10;
  --z-fixed: 100;
}

/*========== Responsive typography ==========*/
@media screen and (min-width: 1150px) {
  :root {
    --biggest-font-size: 9.5rem;
    --big-font-size: 4rem;
    --h1-font-size: 2rem;
    --h2-font-size: 1.5rem;
    --h3-font-size: 1.25rem;
    --normal-font-size: 1rem;
    --small-font-size: 0.875rem;
  }
}

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

html {
  scroll-behavior: smooth;
}

input,
button,
body {
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
}

body {
  background-color: var(--body-color);
  color: var(--text-color);
}

input,
button {
  outline: none;
  border: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--second-font);
  font-weight: var(--font-medium);
  line-height: 110%;
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

/*=============== REUSABLE CSS CLASSES ===============*/
.container {
  max-width: 1120px;
  margin-inline: 1.5rem;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.section {
  padding-block: 5rem 4rem;
}

.section__title {
  text-align: center;
  font-size: var(--big-font-size);
  font-weight: var(--font-semi-bold);
  margin-bottom: 2.5rem;
}

.main {
  overflow: hidden;
}

.header {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  background-color: var(--body-color);
  z-index: var(--z-fixed);
  transition: box-shadow 0.4s;
}

.nav {
  position: relative;
  height: var(--header-height);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__logo {
  color: var(--white-color);
  font-family: var(--second-font);
  font-weight: var(--font-semi-bold);
  transition: color 0.4s;
}

.nav__logo:hover {
  color: var(--first-color);
}

.nav__toggle,
.nav__close {
  display: flex;
  color: var(--white-color);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Navigation for mobile devices */
@media screen and (max-width: 1150px) {
  .nav__menu {
    position: fixed;
    top: -120%;
    left: 0;
    background-color: var(--body-color);
    width: 100%;
    padding-block: 4rem;
    box-shadow: 0 8px 16px hsla(166, 85%, 8%, 0.3);
    transition: top 0.4s;
  }
}

.nav__list {
  text-align: center;
  display: flex;
  flex-direction: column;
  row-gap: 2rem;
}

.nav__link {
  color: var(--white-color);
  font: var(--font-medium) var(--h1-font-size) var(--second-font);
  line-height: 110%;
  transition: color 0.4s;
}

.nav__link:hover {
  color: var(--first-color);
}

.nav__close {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
}

/* Show menu */
.show-menu {
  top: 0;
}

/* Add shadow header */
.scroll-header {
  box-shadow: 0 4px 16px hsla(166, 85%, 8%, 0.3);
}
/* Active link */
.active-link {
  color: var(--first-color);
}

/* ============================================ */
body {
  font-family: "Poppins", sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--body-color);
  color: #ddd;
}

header {
  background: #1a1a1a;
  padding: 15px 0;
  text-align: center;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: center;
}

nav ul li {
  margin: 0 15px;
}

nav ul li a {
  text-decoration: none;
  color: #ffcc00;
  font-weight: bold;
}

main {
  padding: 40px;
  max-width: 900px;
  margin: auto;
  background: var(--body-first-color);
  border-radius: 10px;
  box-shadow: 0px 0px 10px rgba(255, 204, 0, 0.2);
  /* padding-top: 10rem; */
  border-radius: 10px;
}

p {
  color: var(--dark-color);
}

section {
  margin-bottom: 40px;
}

h1,
h2 {
  text-align: center;
  font-size: var(--big-font-size);
  font-weight: var(--font-semi-bold);
  margin-bottom: 2.5rem;
  color: var(--dark-color);
}

h3 {
  color: var(--dark-color);
}

ul {
  padding-left: 20px;
}

ul li {
  margin-bottom: 10px;
  font-size: 16px;
  color: var(--dark-color);
}

footer {
  display: block;
  margin-top: 4rem;
  padding: 4rem;
  color: var(--white-color);
  text-align: center;
  font-size: var(--small-font-size);
  background-color: var(--body-color);
}

footer p {
  color: var(--white-color);
}

ol li {
  color: var(--dark-color);
}

@media screen and (min-width: 1150px) {
  .container {
    margin-inline: auto;
  }
  .nav {
    height: calc(var(--header-height) + 2rem);
  }
  .nav__toggle,
  .nav__close {
    display: none;
  }

  .nav__list {
    flex-direction: row;
    column-gap: 4rem;
  }

  .nav__link {
    font-size: var(--normal-font-size);
  }
}

main {
  margin-top: 10rem;
}