:root {

  /* colors */
  --bg-dark: hsl(297 100% 3%);
  --bg: hsl(300 100% 5%);
  --bg-light: hsl(301 100% 8%);
  --text: hsl(305 100% 98%);
  --text-muted: hsl(304 41% 72%);
  --highlight: hsl(301 62% 38%);
  --border: hsl(300 100% 20%);
  --border-muted: hsl(300 100% 12%);
  --primary: hsl(303 84% 72%);
  --secondary: hsl(140 65% 50%);
  --danger: hsl(7 100% 66%);
  --warning: hsl(53 100% 21%);
  --success: hsl(162 100% 22%);
  --info: hsl(217 100% 70%);

  --text-reverse: hsl(297 100% 5%);

  --primary-filter: invert(75%) sepia(29%) saturate(5237%) hue-rotate(259deg) brightness(92%) contrast(98%);
  --highlight-filter: invert(20%) sepia(18%) saturate(6365%) hue-rotate(283deg) brightness(94%) contrast(88%);
  /* typography */
  --ff-Lato: 'Lato', sans-serif;

  --fs-1: 3.5rem;
  --fs-2: 3rem;
  --fs-3: 2.4rem;
  --fs-4: 2rem;
  --fs-5: 1.8rem;
  --fs-6: 1.3rem;

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

  /* border radius */
  --radius-5: 5px;
  --radius-10: 10px;
  --radius-15: 15px;
  --radius-20: 20px;

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

  /* shadow */
  --shadow: 0 -3px 13px var(--border);

  /* transition */
  --transition-1: 0.05s ease;
  --transition-2: 0.25s ease;
  --cubic-out: cubic-bezier(0.33, 0.85, 0.56, 1.02);
}

@font-face {
  font-family: 'Lato';
  src: url('./assets/lato/Lato-Regular.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
}

/* RESET */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
li { list-style: none; }
a {
  text-decoration: none;
  color: inherit;
}
a,
img,
span,
input,
strong,
button,
textarea,
ion-icon { display: block; }
img { height: auto; }
ion-icon {
  pointer-events: none;
  color: var(--text);
}
button,
input,
textarea {
  background: none;
  border: none;
  font: inherit;
}
button { cursor: pointer; }
input,
textarea { width: 100%; }
address { font-style: normal; }
html {
  font-size: 10px;
  font-family: var(--ff-Lato);
  scroll-behavior: smooth;
}
body {
  background-color: var(--bg-dark);
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1.6;
  overflow-x: hidden;
  font-family: 'Lato', sans-serif;
}
:focus-visible { outline-offset: 4px; }
::-webkit-scrollbar { width: 15px; }
::-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 */
.container { padding-inline: 20px; }
.img-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.section { padding-block: var(--section-padding); }
.section-subtitle {
  color: var(--primary);
  font-family: var(--ff-Lato);
  font-size: var(--fs-4);
  text-align: center;
}
.h2,
.h3 {
  color: var(--text);
  font-family: var(--ff-Lato);
  font-weight: var(--fw-600);
  line-height: 1.3;
}
.h2 { font-size: var(--fs-2); }
.h3 { font-size: var(--fs-3); }
.section-title,
.section-text { text-align: center; }


/* More-link */

.svg-colored {
  filter: var(--primary-filter);
}

.More-link-container a {
  display: inline-flex; /* inline keeps it content-sized */
  align-items: center;
  gap: 5px;
  margin-top: 1.5rem;
  text-transform: uppercase;
  font-size: 1.6rem;
  font-weight: var(--fw-600);
}
.More-link-container {
  text-align: right; /* pushes inline content to right */
}
.More-link-container a:hover,
.More-link-container a:focus {
  color: var(--highlight);
}



/* HEADER */
.header {
  position: fixed;
  padding-block: 15px;
  width: 100%;
  background-color: var(--bg);
  height: 65px;
  overflow: hidden;
  transition: 0.25s var(--cubic-out);
  z-index: 4;
  border-bottom: 2px solid var(--border-muted);
  box-shadow: var(--shadow);
}
.header.nav-active {
  height: 335px;
  transition-duration: 0.325s;
}
.header > .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  color: var(--text);
  font-family: var(--ff-Lato);
  font-size: 2.4rem;
}
.nav-toggle-btn { font-size: 3rem; }
.nav-toggle-btn .close-icon,
.nav-toggle-btn.active .menu-icon {
  display: none;
}
.nav-toggle-btn.active .close-icon,
.nav-toggle-btn .menu-icon {
  display: block;
  filter: var(--primary-filter);
}
.navbar {
  position: absolute;
  top: 65px;
  left: 0;
  width: 100%;
  padding-inline: 20px;
  visibility: hidden;
  opacity: 0;
  transition: var(--transition-2);
}
.header.nav-active .navbar {
  visibility: visible;
  opacity: 1;
}
.navbar-link {
  color: var(--text);
  font-family: var(--ff-Lato);
  padding-block: 3px;
  transition: var(--transition-1);
}
.navbar-link:is(:hover, :focus) { color: var(--primary); }
.navbar .btn {
  background-color: var(--primary);
  margin-block-start: 15px;
}

/* introduction → INTRODUCTION */
.introduction {
  background-image: url("../images/banner5.png");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  padding-block: 100px var(--section-padding);
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.introduction-content {
  text-align: center;
  color: var(--text);
}
.introduction-title {
  font-family: var(--ff-Lato);
  font-size: var(--fs-5);
  font-weight: var(--fw-600);
  line-height: 1.3;
  margin-block-end: 14px;
}
.introduction-title strong {
  font-size: var(--fs-1);
  font-weight: inherit;
  margin-block-end: 8px;
}
.introduction-text { margin-block-end: 25px; }
.btn-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

/* ABOUT */
.about { padding-block-start: 120px; }
.about-banner {
  background-color: var(--bg);
  border-radius: var(--radius-10);
  margin-block-end: 30px;
}
.about-banner > .img-cover { border-radius: inherit; }
.about :is(.section-title, .section-subtitle, .section-text) { text-align: left; }
.about :is(.section-title, .section-text) { margin-block-end: 30px; }

.icon {
  font-size: 5rem;
  padding: 15px;
  border-radius: inherit;
  position: absolute;
  display: block;
}
.icon-1 {  
  top: 50px;
  left: -120px;
  background-color:var(--bg-light); 
  }
.icon-2 {
  top: -40px;
  right: -40px;
  background-color:var(--bg-light);
}
.icon-3 {
  bottom: -40px;
  left: 250px;
  background-color: var(--bg-light);
}

/* project */
.project .section-title { margin-block-end: 18px; }
.project .section-text { margin-block-end: 80px; }

.project-list {
  display: grid;
  gap: 45px;
}
.project-card {
  background-color: var(--bg);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  padding: 180px 20px;
  border-radius: var(--radius-20);
  font-family: var(--ff-Lato);
  color: var(--text);
  font-weight: var(--fw-600);
  transition: var(--transition-2);
}

.project-card:is(:hover, :focus) {
  box-shadow: var(--shadow);
}

.project-card .card-subtitle {
  color: var(--primary);
  margin-block-end: 5px;
}
.project-card .card-title {
  max-width: 20ch;
  margin-block-end: 20px;
}

.project-card .btn-link {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: var(--fs-6);
  text-transform: uppercase;
}


/* SKILLS */
.skills .section-title { margin-block-end: 20px; }
.skills .section-text { margin-block-end: 70px; }
.skills-list {
  display: grid;
  gap: 25px;
}
.skills-item .wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-block-end: 10px;
}
.skills-title,
.skills-data {
  color: var(--text);
  font-size: var(--fs-5);
  font-family: var(--ff-Lato);
  font-weight: var(--fw-600);
}
.skills-progress-box {
  background-color: var(--text);
  height: 8px;
  border-radius: var(--radius-10);
}
.skills-progress {
  background-color: var(--primary);
  height: 100%;
  border-radius: inherit;
}


/* Contact */
.Contact-container {
  text-align: center; /* pushes inline content to right */
}

.Contact-container p {
  display: inline-flex; /* inline keeps it content-sized */
  align-items: center;
  gap: 5px;
  margin-top: 1.5rem;
  text-transform: lowercase;
  font-size: var(--fs-5);
  user-select: all;
}

.Contact-container a {
  display: inline-flex; /* inline keeps it content-sized */
  align-items: center;
  gap: 5px;
  margin-top: 1.5rem;
  text-transform: lowercase;
  font-size: var(--fs-5);
}

/* CONTACT */
.contact-gap {
  margin-top: 2rem;
}

/* FOOTER */
/* Footer layout responsive styles */
.footer {
  border-top: 2px solid var(--border-muted);
}
.footer-main-links {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.footer-main-links .footer-link {
  text-align: center;
  font-size: 1.1em;
}
.footer-secondary-links {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.footer-recognition-group {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.footer-center-under-text {
  font-size: 0.95em;
  color: var(--text-muted, #aaa);
  margin-top: 2px;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
  gap: 2rem;
}
@media (max-width: 700px) {
  .footer-main-links {
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
  }
  .footer-secondary-links {
    align-items: center;
  }
}
.footer {
  background-color: var(--bg);
  padding-block: 60px;
}
.footer-list {
  width: 100%;
  margin-inline: auto;
}
.footer-list * { display: inline-block; }
.footer-list > li:not(:last-child) { margin-inline-end: 40px; }
.footer-link {
  transition: var(--transition-2);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.footer-link:is(:hover, :focus) { color: var(--highlight); }

.footer-center-under-text {
  font-size: 0.9em;
  color: var(--text-muted);
  margin-top: 2px;
  text-align: center;
  width: 100%;
  display: block;
}




/* MEDIA QUERIES */

@media (min-width: 768px) {
  .project-card {
    background-size: 115%;
    padding-inline: 80px;
  }
  .project-card:is(:hover, :focus) { background-size: 130%; }
  .skills-list {
    grid-template-columns: 1fr 1fr;
    column-gap: 50px;
  }
}
@media (min-width: 992px) {
  :root {
    --fs-1: 6.4rem;
    --fs-2: 3.5rem;
    --fs-3: 3.6rem;
    --section-padding: 80px;
  }
  .container {
    max-width: 1050px;
    margin-inline: auto;
  }
  .nav-toggle-btn { display: none; }
  .header,
  .header.nav-active {
    border: none;
    background-color: transparent;
    box-shadow: none;
    height: unset;
    padding-block: 30px;
  }
  /* when scrolled down header */
  .header.active {
    background-color: var(--bg);
    box-shadow: var(--shadow);
    padding-block: 20px;
  }
  .navbar { all: unset; }
  .navbar-list {
    display: flex;
    align-items: center;
    gap: 30px;
  }
  .navbar .btn {
    margin-block-start: 0;
    --padding: 7px 30px;
  }
  .introduction .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
  .introduction-content { text-align: left; }
  .btn-group { justify-content: flex-start; }
  .introduction-title span { font-size: 3rem; }
  .introduction-title {
    --fs-5: 2.2rem;
    margin-block-end: 25px;
  }
  .introduction-text {
    margin-block-end: 25px;
    font-size: var(--fs-5);
  }
  .introduction-banner {
    position: relative;
    margin-block-end: 0;
    order: 1;
    width: 340px;
    height: 390px;
    margin-inline: 0;
    margin-inline-start: auto;
  }
  .about { padding-block: 180px; }
  .about .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 80px;
  }
  .about-banner {
    position: relative;
    margin-block-end: 0;
  }
  .icon {
    display: block;
    position: absolute;
  }
  .icon-1 {
    top: 50px;
    left: -120px;
    background-color: var(--bg-light);
  }
  .icon-2 {
    top: -40px;
    right: -40px;
    background-color: var(--bg-light);
  }
  .icon-3 {
    bottom: -40px;
    left: 250px;
    background-color: var(--bg-light);
  }
  .project-card .card-subtitle { font-size: var(--fs-5); }
  .project-card .btn-link { --fs-6: 1.6rem; }
  .skills-list { column-gap: 100px; }

  /* Footer: center all content and stack secondary links below main links with spacing */
  .footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
  }
  .footer-main-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
    margin-bottom: 0;
  }
  .footer-secondary-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 0.5rem;
  }
}

@media (max-width: 991px) {
  .icon-1,
  .icon-2,
  .icon-3 {
    display: none;
  }
  .introduction .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
  .introduction-content { text-align: left; }
  .btn-group { justify-content: flex-start; }
  .introduction-title span { font-size: 3rem; }
  .introduction-title {
    margin-left: 7rem;
    margin-right: 5rem;
    --fs-5: 2.2rem;
    margin-block-end: 25px;
  }
  .introduction-text {
    margin-left: 7rem;
    margin-right: 5rem;
    margin-block-end: 25px;
    font-size: var(--fs-5);
  }
  .introduction-banner {
    position: relative;
    margin-block-end: 0;
    order: 1;
    width: 340px;
    height: 390px;
    margin-inline: 0;
    margin-inline-start: auto;
  }
  .footer-list {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }
  .footer-list > li {
    margin-inline-end: 0;
    width: 100%;
    text-align: center;
  }
  .footer-links {
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
  }
}