@import url('https://fonts.googleapis.com/css2?family=Fira+Sans:wght@500;800;900&display=swap');

:root {
  --primary-clr: hsl(0, 0%, 0%);
  --secondary-clr: hsl(0, 0%, 11%);
  --other-clr: hsl(0, 0%, 61%);
  --tag-clr: hsl(0, 0%, 55%);
  --accent-clr: palevioletred;
  --accent-other-clr: lightpink;
  --main-clr: hsl(0, 0%, 95%);
  --section-mt: 8rem;
  --transition: cubic-bezier(0.25, 0.32, 0.85, 0.58);
  --transition-clr: color 300ms var(--transition);
  font-size: 10px;
  scrollbar-width: thin;
  scrollbar-color: var(--other-clr) hsl(0, 0%, 73%);
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background-color: hsl(0, 0%, 89%); }
::-webkit-scrollbar-thumb { background-color: var(--other-clr); }

::selection { background: var(--accent-clr); color: var(--primary-clr); }

*:focus:not(:focus-visible) { outline: none; }
:focus-visible { outline: 2px dotted var(--accent-clr); outline-offset: 3px; }

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

@media screen and (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Fira Sans', 'Segoe UI', 'Roboto', sans-serif;
  font-size: clamp(1.4rem, 1vw, 1.6rem);
  line-height: 1.6;
  background: var(--primary-clr);
  color: var(--main-clr);
  min-height: 100vh;
  text-rendering: optimizeSpeed;
}

a { text-decoration: none; color: currentColor; }
img, picture { max-width: 100%; display: block; }
input, button, textarea, select { font: inherit; all: unset; }
ul li { list-style: none; }
h1, h2, h3 { line-height: 1.2; font-weight: 900; }

/* ANIMATIONS */
.bounce-in-left { animation: bounce-in-left 1.1s both 0.3s; }
.slide-in-top { animation: slide-in-top 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) both; }
.fade-in { animation: fade-in 1.2s cubic-bezier(0.39, 0.575, 0.565, 1) 0.5s both; }

@keyframes bounce-in-left {
  0% { transform: translateX(-600px); animation-timing-function: ease-in; opacity: 0; }
  38% { transform: translateX(0); animation-timing-function: ease-out; opacity: 1; }
  55% { transform: translateX(-68px); animation-timing-function: ease-in; }
  72% { transform: translateX(0); animation-timing-function: ease-out; }
  81% { transform: translateX(-28px); animation-timing-function: ease-in; }
  90% { transform: translateX(0); animation-timing-function: ease-out; }
  95% { transform: translateX(-8px); animation-timing-function: ease-in; }
  100% { transform: translateX(0); animation-timing-function: ease-out; }
}
@keyframes fade-in { 0% { opacity: 0; } 100% { opacity: 1; } }
@keyframes slide-in-top { 0% { transform: translateY(-1000px); opacity: 0; } 100% { transform: translateY(0); opacity: 1; } }

/* UTILITIES */
.container { max-width: 1200px; margin-inline: auto; padding: 0 1rem; }

.subtitle {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: clamp(1.2rem, 1vw, 1.35rem);
  color: var(--accent-clr);
}

.title { font-size: clamp(3.2rem, 3vw, 6rem); }

.info {
  max-width: 500px;
  font-size: 1.35rem;
  padding-block-start: 1.3rem;
  color: var(--other-clr);
}

.btn {
  padding: 0.8rem 3rem;
  margin-block-start: 2rem;
  color: var(--main-clr);
  border-radius: 0.2rem;
  cursor: pointer;
}
.btn:active { transform: scale(0.98); }

.hover-effect { position: relative; }
.hover-effect::after {
  position: absolute; content: '';
  left: 0; bottom: -2px;
  width: 100%; height: 1.5px;
  background: var(--accent-clr);
  transform: scaleX(0);
  transform-origin: left;
  transition: all 300ms ease-in-out;
}
.hover-effect:hover::after { transform-origin: right; transform: scaleX(1); }

.skip-to-content {
  position: absolute;
  background: var(--accent-clr);
  color: var(--secondary-clr);
  padding: 0.75rem 1rem;
  left: 1.5rem; top: 0;
  border-radius: 0 0 0.5rem 0.5rem;
  font-size: 1.4rem;
  transform: translateY(-200%);
  transition: all 350ms ease-in;
}
.skip-to-content:focus { transform: translateY(0); }

/* NAV */
.nav { width: 100%; padding: 0 1rem; }
.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 2rem;
  background: var(--secondary-clr);
  margin-block-start: 1.15rem;
  border-radius: 0.5rem;
  font-size: 1.4rem;
}

.logo {
  width: 40px; height: 40px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 5%;
}

.hamburger { display: none; }

.nav-list { display: flex; align-items: center; gap: 5rem; }
.nav-links { position: relative; transition: var(--transition-clr); }
.nav-links:hover { color: var(--accent-clr); }

.social-nav { display: flex; align-items: center; gap: 2.5rem; }
.social-nav a {
  line-height: 0;
  width: 33px; height: 33px;
  border-radius: 50%;
  background: transparent;
  display: flex; align-items: center; justify-content: center;
  transition: all 300ms var(--transition);
}
.social-nav a:hover { background: var(--accent-other-clr); color: var(--secondary-clr); }

/* HERO */
.hero { padding: 0 1rem; }
.hero .container {
  margin-block-start: var(--section-mt);
  display: grid;
  place-items: center;
  gap: 5rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.name { font-size: clamp(4rem, 5vw, 6rem); }
.intro { color: var(--other-clr); max-width: 48rem; }

.hero img {
  max-width: 375px;
}

.hero .code {
  filter: drop-shadow(0 0 0.75rem var(--secondary-clr));
}

.hero-btn-container {
  margin-block-start: 5rem;
  display: flex;
}

.hire-btn {
  text-transform: uppercase;
  letter-spacing: 1px;
  display: inline-block;
  border: 1px solid var(--accent-clr);
  color: var(--accent-clr);
  transition: all 300ms var(--transition);
  z-index: 1;
  position: relative;
  font-size: inherit;
  overflow: hidden;
}
.hire-btn::before {
  content: ''; z-index: -1;
  position: absolute;
  top: 100%; right: 100%;
  width: 2rem; height: 1em;
  border-radius: 50%;
  background-color: var(--accent-clr);
  transform-origin: center;
  transform: translate3d(50%, -50%, 0) scale3d(0, 0, 0);
  transition: transform 0.45s ease-in-out;
}
.hire-btn:hover { cursor: pointer; color: hsl(0, 0%, 9%); border: 0; }
.hire-btn:hover::before { transform: translate3d(50%, -50%, 0) scale3d(15, 15, 15); }

.download-link { color: var(--other-clr); transition: color 0.45s ease-in-out; }
.download-link:hover { color: #fff; }

/* ABOUT */
.about-me {
  margin-block-start: var(--section-mt);
  background: var(--secondary-clr);
  padding: var(--section-mt) 1rem;
}
.about-me .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  place-items: center;
  gap: 8rem;
  position: relative;
}
.about-me img, .about-photo {
  width: 425px;
  max-width: 100%;
  display: block;
  margin-inline: auto;
  mix-blend-mode: luminosity;
  object-fit: cover;
  object-position: center 10%;
  box-shadow: 0px 0px 2.2px rgba(0,0,0,0.006), 0px 0px 5.3px rgba(0,0,0,0.008),
    0px 0px 10px rgba(0,0,0,0.01), 0px 0px 17.9px rgba(0,0,0,0.012),
    0px 0px 33.4px rgba(0,0,0,0.014), 0px 0px 80px rgba(0,0,0,0.02);
}

.about { padding-block-start: 1.25rem; }
.about p { padding-block-start: 2rem; line-height: 1.8; }

/* SKILLS */
.my-skills { margin-block-start: var(--section-mt); padding: 4rem 1rem; }
.my-skills ul {
  padding-block-start: 5rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.4rem 4rem;
}
.my-skills li { font-size: 1.45rem; color: var(--other-clr); }
.my-skills li strong { color: var(--main-clr); }

/* PROJECTS */
.projects-section { margin-block-start: var(--section-mt); padding: 4rem 1rem; }
.projects { padding-block-start: 5rem; display: flex; flex-direction: column; gap: 12rem; }

.project {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  place-items: center;
  gap: 5rem;
}

/* placeholder boxes instead of images */
.project-placeholder {
  width: 100%;
  aspect-ratio: 16/10;
  background: var(--secondary-clr);
  border: 1px solid hsl(0,0%,20%);
  border-radius: 0.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(2.4rem, 4vw, 4rem);
  font-weight: 900;
  color: var(--accent-clr);
  letter-spacing: 0.1em;
  transition: background 300ms ease;
}
.project-placeholder:hover { background: hsl(0,0%,15%); }

.project:nth-child(even) .right-img { order: 2; }
.project:nth-child(even) div:last-child { order: 1; }

.project h3 {
  font-size: clamp(2rem, 3vw, 4rem);
  font-weight: 500;
  letter-spacing: 5px;
  color: var(--other-clr);
}
.project h2 {
  padding-block-start: clamp(1.5rem, 2vw, 3rem);
  font-size: clamp(2.5rem, 3vw, 4rem);
}
.project p { padding-block-start: 1.5rem; max-width: 500px; color: var(--other-clr); }

.tech-stack, .project-links {
  display: flex; flex-wrap: wrap;
  align-items: center; gap: 2rem;
  padding-block-start: 2rem;
}
.project-links { column-gap: 5rem; padding-block-start: 3.2rem; }

.tech-stack li {
  padding: 0.2rem 0.5rem;
  background: var(--tag-clr);
  border-radius: 2px;
  color: var(--primary-clr);
  font-size: clamp(1.15rem, 1vw, 1.3rem);
}

.project-links a {
  display: flex; align-items: center; gap: 0.5rem;
  position: relative; transition: var(--transition-clr);
}
.project-links a:hover { color: var(--accent-clr); }

/* CONTACT */
.contact { margin-block-start: var(--section-mt); padding: 4rem 1rem; }
.mail-link {
  display: flex;
  margin-block-start: var(--section-mt);
  width: max-content;
  transition: var(--transition-clr);
  position: relative;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.mail-link:hover { color: var(--accent-clr); }

/* FOOTER */
.footer {
  margin-block-start: var(--section-mt);
  background: var(--secondary-clr);
  padding: 0 1rem;
}
.footer .container {
  margin-block-start: 0;
  font-size: 1.35rem;
  padding: 2rem 1rem;
  display: flex; flex-wrap: wrap;
  align-items: center; justify-content: space-between;
}
.footer div { display: flex; align-items: center; gap: 5rem; }
.footer ul { display: flex; align-items: center; gap: 2rem; }
.footer a { letter-spacing: 1px; transition: var(--transition-clr); position: relative; }
.footer a:hover { color: var(--accent-clr); }
.top { display: flex; align-items: center; justify-content: center; line-height: 0; font-size: 1.15rem; }
.scroll { display: flex; flex-direction: column; gap: 1.2rem; align-items: flex-end; }

/* MOBILE */
@media screen and (max-width: 50em) {
  body::after {
    position: absolute; content: '';
    top: 0; left: 0; width: 100%; height: 100%;
    background: var(--secondary-clr);
    transform: translateY(-100%);
  }
  body.open::after { transition: transform 300ms ease-in-out; transform: translateY(0); }

  .skip-to-content { display: none; }
  .nav { position: relative; z-index: 10; }
  .nav-list, .social-nav { transition: opacity 300ms ease-in-out; }
  .nav-list {
    flex-direction: column; position: absolute;
    top: 250px; left: 50%; transform: translate(-50%);
    height: 100vh; opacity: 0; pointer-events: none;
  }
  .social-nav {
    opacity: 0; pointer-events: none;
    position: absolute; top: 175px;
    left: 50%; transform: translateX(-50%);
  }
  .nav-list.open, .social-nav.open { opacity: 1; pointer-events: all; }

  .hero-btn-container { justify-content: center; }
  .hero-photo { max-width: 280px; }

  .hamburger {
    width: 30px; height: 22px;
    display: flex; flex-direction: column;
    justify-content: space-between; cursor: pointer;
    transition: transform 330ms ease-out; z-index: 2000;
    position: absolute; top: 50%; right: 2rem; transform: translateY(-50%);
    pointer-events: auto !important;
  }
  .hamburger.open { transform: rotate(-45deg); }
  .line-menu { background: hsl(0, 0%, 100%); width: 100%; height: 3px; }
  .line-menu.half { width: 50%; }
  .line-menu.start { transform-origin: right; transform: none; }
  .open .line-menu.start { transform: rotate(-90deg) translateX(3px); transition: transform 330ms cubic-bezier(0.54, -0.81, 0.57, 0.57); }
  .line-menu.end { align-self: flex-end; transform-origin: left; transform: none; }
  .open .line-menu.end { transform: rotate(-90deg) translateX(-3px); transition: transform 330ms cubic-bezier(0.54, -0.81, 0.57, 0.57); }

  .hero .container { height: 60vh; text-align: center; position: relative; }
  .hero img { display: none; }
  .my-skills ul { grid-template-columns: 1fr; }

  .project:nth-child(even) .right-img { order: 1; }
  .project:nth-child(even) div:last-child { order: 2; }

  .footer .container { justify-content: center; gap: 3rem; }
  .mail-link { justify-content: center; }
}