/* CSS Variables */
:root {
  /* Dark Shades of Primary Colour */
  --clr-primary-1: hsl(207, 36%, 5%);
  --clr-primary-2: hsl(208, 37%, 10%);
  --clr-primary-3: hsl(208, 39%, 15%);
  --clr-primary-4: hsl(209, 39%, 20%);
  /* Primary Colour */
  --clr-primary-5: hsl(209, 40%, 25%);
  /* Lighter Shades of Primary Colour */
  --clr-primary-6: hsl(209, 40%, 40%);
  --clr-primary-7: hsl(209, 40%, 55%);
  --clr-primary-8: hsl(209, 40%, 70%);
  --clr-primary-9: hsl(209, 40%, 85%);
  /* Different Shades of Neutral Colour */
  --clr-neutral-1: hsl(0, 0%, 10%);
  --clr-neutral-2: hsl(0, 0%, 20%);
  --clr-neutral-3: hsl(0, 0%, 30%);
  --clr-neutral-4: hsl(0, 0%, 40%);
  --clr-neutral-5: hsl(0, 0%, 50%);
  --clr-neutral-6: hsl(0, 0%, 60%);
  --clr-neutral-7: hsl(0, 0%, 70%);
  --clr-neutral-8: hsl(0, 0%, 80%);
  --clr-neutral-9: hsl(0, 0%, 90%);
  /* Secondary Colours */
  --clr-secondary-1: hsl(195, 30%, 56%);
  --clr-secondary-2: hsl(26, 91%, 47%);
  --clr-secondary-3: hsl(23, 50%, 42%);
  /* Accent Colour */
  --clr-accent-1: hsl(180, 100%, 25%);
  --clr-accent-2: hsl(120, 100%, 25%);
  --clr-accent-3: hsl(60, 100%, 50%);
  --clr-accent-4: hsl(350, 100%, 88%);
  /* Others */
  --clr-success: #2ecc71;
  --clr-error: #e74c3c;
  --clr-gold: #ffd700;
  --clr-white: #fff;
  --ff-primary: "Roboto", sans-serif;
  --ff-seconadary: "Open Sans", sans-serif;
  --transition: all 0.3s linear;
  --spacing: 0.25rem;
  --radius: 0.5rem;
  --light-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  --dark-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Global Styles */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  background: var(--clr-white);
  color: var(--clr-neutral-1);
  font-family: var(--ff-seconadary);
  line-height: 1.5;
  font-size: 0.875rem;
}

a {
  text-decoration: none;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
}

h1,
h2,
h3,
h4 {
  letter-spacing: var(--spacing);
  text-transform: capitalize;
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

h1 {
  font-size: 3rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.25rem;
}

h4 {
  font-size: 0.875rem;
}

@media screen and (min-width: 800px) {
  h1 {
    font-size: 4rem;
  }

  h2 {
    font-size: 2.5rem;
  }

  h3 {
    font-size: 1.75rem;
  }

  h4 {
    font-size: 1rem;
  }

  body {
    font-size: 1rem;
  }

  h1,
  h2,
  h3,
  h4 {
    line-height: 1;
  }
}

/* Global Classes */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.wrapper-main {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 2rem;
}

.btn {
  background: var(--clr-primary-5);
  color: var(--clr-white);
  text-transform: uppercase;
  padding: 0.375rem 0.75rem;
  letter-spacing: var(--spacing);
  display: inline-block;
  font-weight: 700;
  transition: var(--transition);
  font-size: 0.875rem;
  border: 2px solid transparent;
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.btn:hover {
  color: var(--clr-primary-1);
  background: var(--clr-primary-8);
}

.section {
  padding: 4rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 4rem;
}

.section-centre {
  width: 90vw;
  margin: 0 auto;
  max-width: 1170px;
}

.clearfix::after,
.clearfix::before {
  content: "";
  clear: both;
  display: table;
}

.info {
  text-align: center;
  margin-top: 2rem;
}

.info h2 {
  color: var(--clr-secondary-3);
  font-size: 1.5rem;
  text-transform: none;
  letter-spacing: normal;
}

@media screen and (min-width: 992px) {
  .section-centre {
    width: 95vw;
  }
}

/* Navigation Bar */
.navbar {
  background-color: var(--clr-primary-5);
  color: var(--clr-white);
  padding: 1rem 2rem;
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 999;
}

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

.navbar img {
  width: 81px;
  height: 32px;
  transform: scale(6);
  padding-top: 0.08rem;
  padding-left: 1rem;
}

.navbar .main-menu-list {
  display: flex;
  align-items: center;
  gap: 2rem;
  font-weight: 600;
}

.navbar a {
  color: var(--clr-white);
}

.navbar a:hover {
  color: var(--clr-gold);
  transition: var(--transition);
}

.navbar i {
  font-size: 1.5rem;
}

.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip .tooltiptext {
  visibility: hidden;
  width: 120px;
  background-color: var(--clr-primary-4);
  color: var(--clr-white);
  text-align: center;
  border-radius: 6px;
  padding: 5px 0;
  position: absolute;
  z-index: 1;
  top: 125%;
  left: 50%;
  margin-left: -60px;
}

.tooltip:hover .tooltiptext {
  visibility: visible;
}

/* Mobile Menu */
.mobile-menu {
  display: none;
}

.navbar .mobile-menu-toggle {
  color: var(--clr-white);
  cursor: pointer;
}

.navbar .mobile-menu-items {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background-color: var(--clr-primary-5);
  opacity: 0.95;
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: var(--dark-shadow);
  border-top: 1px solid var(--clr-neutral-9);
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

.navbar .mobile-menu-items.active {
  transform: translateX(0);
}

.navbar .mobile-menu-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  font-size: 1.2rem;
}

/* Hero */
.hero {
  min-height: 100vh;
  background: var(--clr-secondary-3);
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-banner {
  text-align: center;
  color: var(--clr-white);
  padding: 0 3rem;
}

.hero-banner h1 {
  text-transform: uppercase;
}

.hero-banner p {
  max-width: 35rem;
  margin-left: auto;
  margin-right: auto;
  color: var(--clr-white);
  letter-spacing: var(--spacing);
  padding-bottom: 1.25rem;
}

.hero-btn {
  padding: 0.9rem 1.6rem;
  font-size: 1.25rem;
  background: var(--clr-white);
  color: var(--clr-primary-5);
}

.hero-btn:hover {
  background: transparent;
  color: var(--clr-white);
  border-color: var(--clr-white);
}

@media screen and (min-width: 768px) {
  .hero {
    background: linear-gradient(rgb(229, 105, 11, 0.7), rgba(0, 0, 0, 0.7)),
      url("../images/electric-car.jpg") center/cover no-repeat;
  }

  .hero-banner {
    padding: 0;
  }

  .hero-banner p {
    max-width: 45rem;
    padding-bottom: 1.25rem;
  }
}

/* Secondary CTA Cards */
.cta-card {
  background: var(--clr-neutral-9);
  transition: var(--transition);
  box-shadow: var(--light-shadow);
  margin-bottom: 2rem;
}

.cta-card:hover {
  box-shadow: var(--dark-shadow);
  transform: scale(1.02);
}

.cta-img-container {
  position: relative;
}

.cta-img {
  width: 100%;
  height: 15rem;
  object-fit: cover;
}

.card-info {
  padding: 1.25rem 1.5rem;
}

.card-info p {
  padding-bottom: 1.25rem;
}

@media screen and (min-width: 768px) {
  .card-centre {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .cta-card {
    flex: 0 0 calc(25% - 2rem);
  }
}

/* Newsletter */
.newsletter {
  text-align: center;
  margin: -4rem 2rem 0;
}

.newsletter-flex {
  display: flex;
  gap: 1rem;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: var(--clr-neutral-9);
  border: 1px solid var(--clr-neutral-8);
  padding: 4rem 2rem;
}

.newsletter h2 {
  font-size: 2rem;
  font-weight: 700;
}

.newsletter p {
  max-width: 600px;
}

.newsletter input[type="text"] {
  padding: 1rem 2rem;
  border: 1px solid var(--clr-neutral-8);
  border-radius: 32px;
  width: 100%;
  max-width: 400px;
  margin: 1rem 0;
}

.newsletter button {
  padding: 1rem 2rem;
  border-radius: 32px;
}

/* Social */
.social {
  background-color: var(--clr-primary-5);
  color: var(--clr-white);
  padding: 6rem 2rem;
  text-align: center;
  font-size: 1.7rem;
  margin-bottom: 0;
}

.social a {
  color: var(--clr-white);
}

.social a:hover {
  color: var(--clr-gold);
  transition: var(--transition);
}

.social .social-icons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

/* EV Guides */
.wrapper-ev-guides {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 2rem;
}

.header-ev-guides {
  min-height: 60vh;
  background: var(--clr-secondary-3);
  display: flex;
  justify-content: center;
  align-items: center;
}

.header-ev-guides h1 {
  text-align: center;
  color: var(--clr-white);
  margin-top: 3rem;
}

.ev-guides .ev-guides-flex {
  display: flex;
  gap: 4rem;
  align-items: center;
  justify-content: center;
}

.ev-guides img {
  width: 100%;
  max-width: 500px;
  height: 300px;
  border-radius: 1rem;
  box-shadow: var(--dark-shadow);
}

/* Styling Links */
.custom-link a:link {
  color: var(--clr-primary-1);
  text-decoration: none;
}

.custom-link a:visited {
  color: #0000ee;
}

.custom-link a:hover {
  color: orangered;
  font-weight: bold;
  text-decoration: underline;
  transition: var(--transition);
}

.custom-link a:active {
  background-color: var(--clr-neutral-1);
  font-style: italic;
}

@media screen and (min-width: 768px) {
  .header-ev-guides {
    background: linear-gradient(rgb(229, 105, 11, 0.7), rgba(0, 0, 0, 0.7)),
      url("../images/ev_guides.jpg") center/cover no-repeat;
  }
}

/* Charging */
.header-charging {
  min-height: 60vh;
  background: var(--clr-secondary-3);
  display: flex;
  justify-content: center;
  align-items: center;
}

.header-charging h1 {
  text-align: center;
  color: var(--clr-white);
  margin-top: 3rem;
}

.charging .charging-flex {
  display: flex;
  gap: 4rem;
  align-items: center;
  justify-content: center;
}

.charging img {
  width: 100%;
  max-width: 500px;
  height: 300px;
  border-radius: 1rem;
  box-shadow: var(--dark-shadow);
}

.custom-marker li {
  margin-left: 3rem;
}

.custom-marker li::marker {
  font-size: 1.25em;
  color: var(--clr-secondary-2);
}

.custom-marker-nested li {
  margin-left: 3rem;
}

.custom-marker-nested li::marker {
  color: var(--clr-secondary-1);
}

.wrapper {
  margin-top: 3rem;
}

@media screen and (min-width: 768px) {
  .header-charging {
    background: linear-gradient(rgb(229, 105, 11, 0.7), rgba(0, 0, 0, 0.7)),
      url("../images/charging.jpg") center/cover no-repeat;
  }
}

/* Resources */
.header-resources {
  min-height: 60vh;
  background: var(--clr-secondary-3);
  display: flex;
  justify-content: center;
  align-items: center;
}

.header-resources h1 {
  text-align: center;
  color: var(--clr-white);
  margin-top: 3rem;
}

.component-card {
  margin-top: 2rem;
  margin-bottom: 4rem;
  background: var(--clr-grey-10);
  border-radius: var(--radius);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

.component-card:hover {
  transform: scale(1.02);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.component-img {
  width: 100%;
  height: 17rem;
  object-fit: cover;
  border-top-left-radius: var(--radius);
  border-top-right-radius: var(--radius);
}

.component-info {
  text-align: center;
  padding: 3rem 1rem 2.5rem 1rem;
}

.component-info p {
  max-width: 20rem;
  color: var(--clr-grey-5);
  margin: 0 auto;
}

.component-btn {
  font-size: 0.75rem;
  text-transform: capitalize;
  padding: 0.375rem 0.5rem;
  border-radius: var(--radius);
  font-weight: 500;
  margin-top: 1.25rem;
}

@media screen and (min-width: 768px) {
  .component-card {
    float: left;
    width: 45%;
    margin-right: 5%;
  }
}

@media screen and (min-width: 992px) {
  .component-card {
    width: 30%;
    margin-right: 3.333%;
  }
}

.component-img-container {
  position: relative;
}

.component-icon {
  position: absolute;
  left: 50%;
  bottom: 0;
  font-size: 2rem;
  color: var(--clr-primary-5);
  background: var(--clr-primary-9);
  padding: 0.25rem 0.6rem;
  border-radius: 50%;
  transform: translate(-50%, 50%);
  border: 0.375rem solid var(--clr-secondary-2);
}

@media screen and (min-width: 768px) {
  .header-resources {
    background: linear-gradient(rgb(229, 105, 11, 0.7), rgba(0, 0, 0, 0.7)),
      url("../images/resources.jpg") center/cover no-repeat;
  }
}

/* Tools */
.header-tools {
  min-height: 60vh;
  background: var(--clr-secondary-3);
  display: flex;
  justify-content: center;
  align-items: center;
}

.header-tools h1 {
  text-align: center;
  color: var(--clr-white);
  margin-top: 3rem;
}

@media screen and (min-width: 768px) {
  .header-tools {
    background: linear-gradient(rgb(229, 105, 11, 0.7), rgba(0, 0, 0, 0.7)),
      url("../images/tools.png") center/cover no-repeat;
  }
}

/* About Us */
.header-about-us {
  min-height: 60vh;
  background: var(--clr-secondary-3);
  display: flex;
  justify-content: center;
  align-items: center;
}

.header-about-us h1 {
  text-align: center;
  color: var(--clr-white);
  margin-top: 3rem;
}

@media screen and (min-width: 768px) {
  .header-about-us {
    background: linear-gradient(rgb(229, 105, 11, 0.7), rgba(0, 0, 0, 0.7)),
      url("../images/about_us.png") center/cover no-repeat;
  }
}

.wrapper-about-us {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 2rem;
}

.wrapper-about-us h2 {
  margin-bottom: 3rem;
}

.about-us .about-us-flex {
  display: flex;
  gap: 4rem;
  align-items: center;
  justify-content: center;
}

.about-us img {
  width: 100%;
  max-width: 500px;
  height: 300px;
  box-shadow: var(--dark-shadow);
}

.about-img {
  flex: 0 0 calc(50% - 2rem);
  margin-bottom: 0;
  align-self: center;
}

.about-img::before {
  content: "";
  position: absolute;
  border: 0.5rem solid var(--clr-accent-2);
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  top: -1.5rem;
  left: -1.5rem;
}

.about-img {
  position: relative;
}

.about-photo {
  position: relative;
}

.grid {
  display: grid;
  column-gap: 6.4rem;
  row-gap: 9.6rem;
}

.grid--2-cols {
  grid-template-columns: repeat(2, 1fr);
}

.grid--center-v {
  align-items: center;
}

.values-number {
  font-size: 2rem;
  font-weight: 600;
  color: var(--clr-neutral-5);
  margin-bottom: 1.2rem;
}

.step-img-box {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-img-box::before,
.step-img-box::after {
  content: "";
  display: block;
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.step-img-box::before {
  width: 60%;
  padding-bottom: 60%;
  background-color: #fdf2e9;
  z-index: -2;
}

.step-img-box::after {
  width: 45%;
  padding-bottom: 45%;
  background-color: #fae5d3;
  z-index: -1;
}

.step-img {
  width: 35%;
}

.contact-form {
  margin: 0 auto;
  background: var(--clr-neutral-9);
  border-radius: var(--radius);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
  max-width: 35rem;
  margin-bottom: 3rem;
}

.contact-form:hover {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.card-contact {
  background: var(--clr-white);
  border-radius: 5px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  width: 450px;
}

.card-contact h2 {
  text-align: center;
  margin: 0 0 30px;
}

.form-contact {
  padding: 30px 40px;
}

.form-control-contact {
  margin-bottom: 10px;
  padding-bottom: 20px;
  position: relative;
}

.form-control-contact label {
  display: block;
  margin-bottom: 5px;
}

.form-control-contact input {
  border: 2px solid #f0f0f0;
  border-radius: 4px;
  display: block;
  width: 100%;
  padding: 10px;
  font-size: 14px;
}

.form-control-contact textarea {
  border: 2px solid #f0f0f0;
  border-radius: 4px;
  display: block;
  width: 100%;
  padding: 10px;
  font-size: 14px;
}

.form-control-contact input:focus {
  outline: 0;
  border-color: #777;
}

.form-control-contact textarea:focus {
  outline: 0;
  border-color: #777;
}

.form-control-contact.success input {
  border-color: var(--clr-success);
}

.form-control-contact.success textarea {
  border-color: var(--clr-success);
}

.form-control-contact.error input {
  border-color: var(--clr-error);
}

.form-control-contact.error textarea {
  border-color: var(--clr-error);
}

.form-control-contact small {
  color: var(--clr-error);
  position: absolute;
  bottom: 0;
  left: 0;
  visibility: hidden;
}

.form-control-contact.error small {
  visibility: visible;
}

.form-contact button {
  cursor: pointer;
  border-radius: 4px;
  display: block;
  font-size: 16px;
  padding: 10px;
  margin-top: 20px;
  width: 100%;
}

/* Sign In */
.header-signin {
  min-height: 60vh;
  background: var(--clr-secondary-3);
  display: flex;
  justify-content: center;
  align-items: center;
}

.header-signin h1 {
  text-align: center;
  color: var(--clr-white);
  margin-top: 3rem;
}

@media screen and (min-width: 768px) {
  .header-signin {
    background: linear-gradient(rgb(229, 105, 11, 0.7), rgba(0, 0, 0, 0.7)),
      url("../images/signin.png") center/cover no-repeat;
  }
}

.container-sign-in {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 5rem;
}

.card-sign-in {
  background: var(--clr-white);
  border-radius: 5px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  width: 400px;
  transition: var(--transition);
}

.card-sign-in:hover {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.card-sign-in h2 {
  text-align: center;
  margin: 0 0 30px;
}

.form-sign-in {
  padding: 30px 40px;
}

.form-control-sign-in {
  margin-bottom: 10px;
  padding-bottom: 20px;
  position: relative;
}

.form-control-sign-in label {
  display: block;
  margin-bottom: 5px;
}

.form-control-sign-in input {
  border: 2px solid #f0f0f0;
  border-radius: 4px;
  display: block;
  width: 100%;
  padding: 10px;
  font-size: 14px;
}

.form-control-sign-in textarea {
  border: 2px solid #f0f0f0;
  border-radius: 4px;
  display: block;
  width: 100%;
  padding: 10px;
  font-size: 14px;
}

.form-control-sign-in input:focus {
  outline: 0;
  border-color: #777;
}

.form-control-sign-in textarea:focus {
  outline: 0;
  border-color: #777;
}

.form-control-sign-in.success input {
  border-color: var(--clr-success);
}

.form-control-sign-in.success textarea {
  border-color: var(--clr-success);
}

.form-control-sign-in.error input {
  border-color: var(--clr-error);
}

.form-control-sign-in.error textarea {
  border-color: var(--clr-error);
}

.form-control-sign-in small {
  color: var(--clr-error);
  position: absolute;
  bottom: 0;
  left: 0;
  visibility: hidden;
}

.form-control-sign-in.error small {
  visibility: visible;
}

.form-sign-in button {
  cursor: pointer;
  border-radius: 4px;
  display: block;
  font-size: 16px;
  padding: 10px;
  margin-top: 20px;
  width: 100%;
}

.form-sign-in .links {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: space-between;
  margin: 1.5rem 0;
  font-weight: 500;
}

.form-sign-in .links a:hover {
  color: var(--clr-secondary-2);
  transition: var(--transition);
}

/* Footer */
.footer {
  background-color: var(--clr-primary-5);
  color: var(--clr-white);
  padding: 0.5rem 2rem;
  border-top: 1px solid var(--clr-neutral-9);
}

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

.footer ul {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin: 2rem 0;
}

.footer a {
  color: var(--clr-white);
}

.footer a:hover {
  color: var(--clr-gold);
  transition: var(--transition);
}

/* Media Query for Mobile */
@media (max-width: 768px) {
  .main-menu-items {
    display: none;
  }

  .navbar .mobile-menu {
    display: block;
  }

  .navbar .mobile-menu-toggle {
    display: block;
    padding: 10px;
  }

  .social .social-icons {
    flex-wrap: wrap;
  }

  .social p {
    font-size: 1.2rem;
  }

  .social i {
    font-size: 2rem;
  }

  .footer {
    padding: 0.5rem 1rem;
  }

  .footer-flex {
    flex-direction: column;
    text-align: center;
  }
}