:root {
  --st-patricks-blue: hsl(236, 57%, 28%);
  --amaranth-purple: hsl(335, 88%, 38%);
  --royal-blue-dark: hsl(231, 68%, 21%);
  --chrome-yellow: hsl(39, 100%, 52%);
  --space-cadet-1: hsl(230, 41%, 25%);
  --space-cadet-2: hsl(230, 59%, 16%);
  --winter-sky_50: hsla(335, 87%, 53%, 0.5);
  --purple-navy: hsl(236, 26%, 43%);
  --ksu-purple: hsl(275, 54%, 33%);
  --winter-sky: hsl(335, 87%, 53%);
  --razzmatazz: hsl(335, 87%, 51%);
  --platinum: hsl(0, 0%, 90%);
  --black_70: hsla(0, 0%, 0%, 0.7);
  --rajah: hsl(29, 99%, 67%);
  --white: hsl(0, 0%, 100%);
  --snow: hsla(345, 57%, 97%, 1);

  --gradient-1: linear-gradient(90deg, var(--royal-blue-dark) 0, var(--ksu-purple) 51%, var(--royal-blue-dark));
  --gradient-2: linear-gradient(90deg, var(--razzmatazz), var(--rajah));

  /* typography */
  --ff-source-sans-pro: 'Source Sans Pro', sans-serif;
  --ff-poppins: 'Poppins', sans-serif;

  --fs-1: 4.2rem;
  --fs-2: 3.8rem;
  --fs-3: 3.2rem;
  --fs-4: 2.5rem;
  --fs-5: 2.4rem;
  --fs-6: 2rem;
  --fs-7: 1.8rem;
  --fs-8: 1.5rem;

  --fw-500: 500;
  --fw-600: 600;
  --fw-700: 700;

  /* border radius */
  --radius-4: 4px;
  --radius-8: 8px;
  --radius-6: 6px;
  --radius-12: 12px;

  /* spacing */
  --section-padding: 60px;

  /* transition */
  --transition-1: 0.15s ease;
  --transition-2: 0.35s ease;
  --cubic-in: cubic-bezier(0.51, 0.03, 0.64, 0.28);
  --cubic-out: cubic-bezier(0.33, 0.85, 0.56, 1.02);

  /* shadow */
  --shadow: 0 5px 20px 1px hsla(220, 63%, 33%, 0.1);

}





/* ----------------------------------- 
  #RESET 重置
----------------------------------- */

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

li {
  list-style: none;
}

a {
  text-decoration: none;
}

a,
img,
span,
input,
button,
ion-icon {
  display: block;
}

img {
  height: auto;
}

input,
button,
textarea {
  background: none;
  border: none;
  font: inherit;
}

input,
textarea {
  width: 100%;
}

button {
  cursor: pointer;
}

ion-icon {
  pointer-events: none;
}

address {
  font-style: normal;
}

html {
  font-family: var(--ff-poppins);
  font-size: 10px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--white);
  color: var(--purple-navy);
  font-size: 1.6rem;
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background-color: hsl(0, 0%, 95%);
}

::-webkit-scrollbar-thumb {
  background-color: hsl(0, 0%, 80%);
}

::-webkit-scrollbar-thumb:hover {
  background-color: hsl(0, 0%, 70%);
}


/*-----------------------------------
  #REUSED STYLE 重複使用的樣式
-----------------------------------*/

.container {
  padding-inline: 15px;
}

.h2,
.h3 {
  font-family: var(--ff-source-sans-pro);
}

.btn {
  background-image: var(--gradient-2);
  background-size: 200%;
  color: var(--white);
  padding: 12px 35px;
  font-size: var(--fs-8);
  font-weight: var(--fw-500);
  border-radius: 0 25px;
  transition: var(--transition-2);
}

.btn:is(:hover, :focus) {
  background-position: right;
}

.w-100 {
  width: 100%;
}

.banner-animation {
  animation: waveAnim 2s linear infinite alternate;
}

@keyframes waveAnim {
  0% {
    transform: translate(0, 0) rotate(0);
  }

  100% {
    transform: translate(2px, 2px) rotate(1deg);
  }
}

.section {
  padding-block: var(--section-padding);
}

.section-title {
  color: var(--st-patricks-blue);
  font-size: var(--fs-3);
  margin-block-end: 60px;
  max-width: max-content;
  margin-inline: auto;
}

.underline {
  position: relative;
}

.underline::before {
  content: "";
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
  height: 6px;
  background-image: var(--gradient-2);
  border-radius: 10px;
}

:is(.service-card, .features-card) .title {
  color: var(--st-patricks-blue);
  font-size: var(--fs-4);
  font-weight: var(--fw-700);
}

:is(.service-card, .features-card, .blog-card) .text {
  font-size: var(--fs-8);
}

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

/*-----------------------------------
  #HEADER
-----------------------------------*/

.header .btn {
  display: none;
}

.header {
  --color: var(--white);

  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding-block: 14px;
  z-index: 4;
  transition: var(--transition-1);
}

.header.active {
  --color: var(--st-patricks-blue);

  position: fixed;
  background-color: var(--white);
  box-shadow: 0 2px 30px hsla(0, 0%, 0%, 0.1);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
}

.logo {
  color: var(--color);
  font-family: var(--ff-source-sans-pro);
  font-size: var(--fs-3);
}

.nav-open-btn {
  color: var(--color);
  font-size: 32px;
  padding: 4px;
}

.navbar {
  background-color: var(--white);
  position: fixed;
  top: 0;
  left: -280px;
  width: 100%;
  max-width: 280px;
  min-height: 100%;
  padding: 20px;
  visibility: hidden;
  z-index: 2;
  transition: 0.25s var(--cubic-in);
}

.navbar.active {
  transform: translateX(280px);
  visibility: visible;
  transition: 0.5s var(--cubic-out);
}

.navbar-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 10px 30px;
}

.navbar-top .logo {
  color: var(--st-patricks-blue);
  font-size: 4.2rem;
  font-weight: var(--fw-700);
}

.nav-close-btn {
  color: var(--space-cadet-1);
  font-size: 2.8rem;
  padding: 4px;
}

.navbar-item:not(:last-child) {
  border-bottom: 1px solid var(--platinum);
}

.navbar-link {
  color: var(--space-cadet-1);
  font-size: var(--fs-8);
  font-weight: var(--fw-600);
  padding-block: 12px;
}

.overlay {
  position: fixed;
  inset: 0;
  background-color: var(--black_70);
  z-index: 1;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-2);
}

.overlay.active {
  opacity: 1;
  pointer-events: all;
}


/*-----------------------------------*\
  #HERO
\*-----------------------------------*/

.hero {
  background-image: url("../images/hero-bg-bottom.png"),
    url("../images/hero-bg.png"),
    var(--gradient-1);
  background-repeat: no-repeat, no-repeat, no-repeat;
  background-position: -280px bottom, center, center;
  background-size: auto, cover, auto;
  padding-block-start: 120px;
  padding-block-end: var(--section-padding);
}

.hero-content {
  margin-block-end: 50px;
}

.hero-subtitle {
  color: var(--chrome-yellow);
  font-family: var(--ff-source-sans-pro);
  font-size: var(--fs-7);
  margin-block-end: 15px;
}

.hero-title {
  color: var(--white);
  font-size: var(--fs-1);
  margin-block-end: 20px;
}

.hero-text {
  color: var(--white);
  font-size: var(--fs-8);
  margin-block-end: 30px;
}

/*-----------------------------------*\
  #ABOUT
\*-----------------------------------*/

.about-banner {
  margin-block-end: 30px;
}

.about .section-title {
  margin-inline: 0;
}

.about .underline::before {
  left: 0;
  transform: translateX(0);
}

.about-text {
  font-size: var(--fs-8);
  margin-block-end: 20px;
}

.stats-list {
  display: grid;
  gap: 30px;
}

.stats-card {
  text-align: center;
  padding: 15px;
  box-shadow: var(--shadow);
  border-radius: var(--radius-12);
}

.stats-title {
  color: var(--st-patricks-blue);
  font-size: var(--fs-2);
  font-weight: var(--fw-700);
}

.stats-text {
  font-size: var(--fs-8);
}



/*-----------------------------------*\
  #SERVICE
\*-----------------------------------*/

.service-list {
  display: grid;
  gap: 30px;
}

.service-card {
  padding: 30px;
  box-shadow: var(--shadow);
  border-radius: var(--radius-12);
}

.service-card .card-icon {
  background-color: hsla(335, 87%, 53%, 0.12);
  aspect-ratio: 1 / 1;
  max-width: 100px;
  border-radius: 50%;
  display: grid;
  place-content: center;
  margin-inline: auto;
  margin-bottom: 15px;
  transition: var(--transition-1);
}

.service-card:hover .card-icon {
  background-color: var(--winter-sky);
}

.service-card .card-icon ion-icon {
  font-size: 5rem;
  color: var(--winter-sky);
  --ionicon-stroke-width: 20px;
  transition: var(--transition-1);
}

.service-card:hover .card-icon ion-icon {
  color: var(--white);
}

.service-card .title {
  text-align: center;
  margin-block-end: 15px;
}

.service-card .text {
  text-align: center;
  margin-block-end: 20px;
}






/*-----------------------------------*\
  #FEATURES
\*-----------------------------------*/

.features-list>li:first-child {
  margin-block-end: 30px;
}

.features-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.features-card .icon {
  background-image: var(--gradient-1);
  background-size: 200%;
  color: var(--white);
  min-width: max-content;
  max-width: max-content;
  font-size: 36px;
  padding: 22px;
  border-radius: 50%;
}

.features-card .icon ion-icon {
  --ionicon-stroke-width: 20px;
}

.features-card .title {
  margin-block-end: 10px;
}

.features-banner {
  margin-block: 40px;
}

.features-banner>img {
  max-width: max-content;
  margin-inline: auto;
}




/*-----------------------------------*\
  #contact
\*-----------------------------------*/

.contact {
  padding-block-end: 0;
}

.contact-card {
  background-color: var(--snow);
  padding: 32px;
  border-radius: var(--radius-8);
  display: grid;
  gap: 40px;
}

.contact .contact-card .card-icon ion-icon {
  font-size: 4rem;
  color: var(--winter-sky);
  --ionicon-stroke-width: 20px;
}

.contact .section-title {
  margin-block-start: 20px;
  margin-block-end: 20px;
  margin-inline: inherit;
}

.input-field {
  background-color: var(--white);
  color: var(--royal-blue-dark);
  font-size: var(--fs-7);
  padding: 14px 18px;
  border-radius: var(--radius-6);
  outline: none;
  margin-block-end: 20px;
}

.input-field::placeholder {
  color: var(--purple-navy);
}

.contact .input-Captcha {
  position: relative;
}

.contact .input-Captcha .captcha-img {
  position: absolute;
  right: 10px;
  top: 15px;
}

textarea.input-field {
  min-height: 120px;
  height: 120px;
  max-height: 240px;
  resize: vertical;
}

.contact-list {
  margin-block-end: 15px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.contact-item {
  margin-block-start: 15px;
}

.contact-item>ion-icon {
  flex-shrink: 0;
  color: inherit;
  font-size: 20px;
  margin-block-start: 3px;
}

.contact-link {
  color: inherit;
  transition: var(--transition-1);
}

.contact-link:not(.address):is(:hover, :focus) {
  color: var(--razzmatazz);
}

/*-----------------------------------*\
  #FOOTER
\*-----------------------------------*/

.footer {
  padding-block: 40px;
}

.copyright {
  margin-block-end: 12px;
}

.copyright-link {
  display: inline;
  color: var(--royal-blue-dark);
  transition: var(--transition-1);
}

.copyright-link:is(:hover, :focus-visible) {
  color: var(--razzmatazz);
}

.footer .social-link {
  color: var(--royal-blue-dark);
  font-size: 2rem;
  transition: var(--transition-1);
}

.footer .social-link:is(:hover, :focus-visible) {
  transform: translateY(-3px);
  color: var(--razzmatazz);
}

.social-list {
  display: flex;
  align-items: center;
  gap: 12px;
}



/*-----------------------------------*\
  #MEDIA QUERIES 
\*-----------------------------------*/

/* responsive for large than 575px screen */

@media (min-width: 575px) {

  /* REUSED STYLE */
  .container {
    max-width: 550px;
    margin-inline: auto;
  }

  .section-title {
    --fs-3: 3.6rem;
  }

  /* HEADER */
  .header .btn {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-inline-start: auto;
  }

  /* ABOUT
   */

  .stats-list {
    grid-template-columns: repeat(3, 1fr);
  }

  /* CONTACT
   */

  .contact-card {
    padding: 68px;
  }

}





/* responsive for large than 768px screen
 */

@media (min-width: 768px) {


  /* REUSED STYLE
   */

  .container {
    max-width: 720px;
  }

  /* HERO
   */
  .hero {
    min-height: 600px;
    display: grid;
    place-items: center;
  }

  .hero-content {
    margin-block-end: 0;
  }

  .hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    /* gap: 30px; */
  }

  /* SERVICE
   */

  .service-list {
    grid-template-columns: 1fr 1fr;
  }

  /* FEATURES
   */

  .features-list>li:first-child {
    margin-block-end: 0;
  }

  .features-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
  }

  /* CONTACT
   */

  .contact .section-text {
    --fs-5: 1.8rem;
  }

  .input-wrapper {
    display: flex;
    align-items: center;
    gap: 20px;
  }

  /* FOOTER
   */

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

  .copyright {
    margin-block-end: 0;
  }

}

/*-----------------------------------*\
  #GO TO TOP
\*-----------------------------------*/

.go-top {
  position: fixed;
  bottom: 0;
  right: 15px;
  background-color: var(--winter-sky);
  color: var(--white);
  font-size: 2rem;
  padding: 14px;
  border-radius: var(--radius-4);
  box-shadow: -3px 3px 15px var(--winter-sky_50);
  z-index: 2;
  visibility: hidden;
  opacity: 0;
  transition: var(--transition-1);
}

.go-top.active {
  visibility: visible;
  opacity: 1;
  transform: translateY(-15px);
}




/* responsive for large than 992px screen
 */

@media (min-width: 992px) {

  /* CUSTOM PROPERTY
   */

  :root {

    /* typography
     */

    --fs-1: 5.4rem;

  }

  /* REUSED STYLE
   */

  .container {
    max-width: 950px;
  }



  /**
   * HEADER
   */

  .header {
    padding-block: 20px;
  }

  .overlay,
  .nav-open-btn,
  .navbar-top {
    display: none;
  }

  .navbar,
  .navbar.active {
    all: unset;
    margin-inline-start: auto;
  }

  .header .btn {
    margin-inline-start: 0;
  }

  .navbar-list {
    display: flex;
    gap: 25px;
  }

  .navbar-item:not(:last-child) {
    border-bottom: none;
  }

  .navbar-link {
    color: var(--color);
  }



  /* HERO
   */

  .hero {
    min-height: 700px;
  }

  /* ABOUT
   */

  .about .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }



  /* SERVICE
   */

  .service-list {
    grid-template-columns: repeat(3, 1fr);
  }



  /* FEATURES
   */

  .features-list {
    grid-template-columns: 1fr;
  }

  .features .container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
  }

  .features .section-title {
    grid-column: 1 / 4;
  }

  .features-banner {
    margin-block: 0;
    display: grid;
    place-items: center;
  }



  /* CONTACT
   */

  .contact-card {
    grid-template-columns: 0.8fr 1fr;
    align-items: center;
    gap: 90px;
  }



  /**
   * FOOTER
   */

  .footer-top .container {
    grid-template-columns: 1fr 0.8fr 0.8fr 1fr;
  }

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

  .copyright {
    margin-block-end: 0;
  }

}





/* responsive for large than 1200px screen
 */

@media (min-width: 1200px) {

  /* REUSED STYLE
   */
  .container {
    max-width: 1200px;
  }

  .section-title {
    --fs-3: 4.6rem;
  }


  /**
   * HERO
   */

  .hero {
    min-height: 800px;
  }


}