/*-----------------------------------*\
  #style.css
\*-----------------------------------*/

:root {
  --bg-gradient-onyx: linear-gradient(to bottom right, hsl(240, 1%, 25%) 3%, hsl(0, 0%, 19%) 97%);
  --bg-gradient-jet: linear-gradient(to bottom right, hsla(240, 1%, 18%, 0.251) 0%, hsla(240, 2%, 11%, 0) 100%), hsl(240, 2%, 13%);
  --bg-gradient-cyan-1: linear-gradient(to bottom right, hsl(180, 90%, 60%) 0%, hsla(180, 90%, 60%, 0) 50%);
  --bg-gradient-cyan-2: linear-gradient(135deg, hsla(180, 90%, 60%, 0.251) 0%, hsla(180, 90%, 60%, 0) 59.86%), hsl(240, 2%, 13%);
  --border-gradient-onyx: linear-gradient(to bottom right, hsl(0, 0%, 25%) 0%, hsla(0, 0%, 25%, 0) 50%);
  --text-gradient-cyan: linear-gradient(to right, hsl(180, 90%, 60%), hsl(180, 70%, 50%));

  --jet: hsl(0, 0%, 22%);
  --onyx: hsl(240, 1%, 17%);
  --eerie-black-1: hsl(240, 2%, 13%);
  --eerie-black-2: hsl(240, 2%, 12%);
  --smoky-black: hsl(0, 0%, 7%);
  --white-1: hsl(0, 0%, 100%);
  --white-2: hsl(0, 0%, 98%);
  --cyan: hsl(180, 90%, 60%);
  --cyan-dark: hsl(180, 70%, 50%);
  --light-gray: hsl(0, 0%, 84%);
  --light-gray-70: hsla(0, 0%, 84%, 0.7);
  --bittersweet-shimmer: hsl(0, 43%, 51%);

  --ff-poppins: 'Poppins', sans-serif;
  --fs-1: 24px;
  --fs-2: 18px;
  --fs-3: 17px;
  --fs-4: 16px;
  --fs-5: 15px;
  --fs-6: 14px;
  --fs-7: 13px;
  --fs-8: 11px;

  --fw-300: 300;
  --fw-400: 400;
  --fw-500: 500;
  --fw-600: 600;

  --shadow-1: -4px 8px 24px hsla(0, 0%, 0%, 0.25);
  --shadow-2: 0 16px 30px hsla(0, 0%, 0%, 0.25);
  --shadow-3: 0 16px 40px hsla(0, 0%, 0%, 0.25);
  --shadow-4: 0 25px 50px hsla(0, 0%, 0%, 0.15);
  --shadow-5: 0 24px 80px hsla(0, 0%, 0%, 0.25);

  --transition-1: 0.25s ease;
  --transition-2: 0.5s ease-in-out;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
a { text-decoration: none; }
li { list-style: none; }
img, ion-icon, a, button, time, span { display: block; }
button { font: inherit; background: none; border: none; text-align: left; cursor: pointer; }
input, textarea { display: block; width: 100%; background: none; font: inherit; }
::selection { background: var(--cyan); color: var(--smoky-black); }
:focus { outline-color: var(--cyan); }
html { font-family: var(--ff-poppins); }
body { background: var(--smoky-black); }

.sidebar, article {
  background: var(--eerie-black-2);
  border: 1px solid var(--jet);
  border-radius: 20px;
  padding: 15px;
  box-shadow: var(--shadow-1);
  z-index: 1;
}

.separator { width: 100%; height: 1px; background: var(--jet); margin: 16px 0; }

.icon-box {
  position: relative;
  background: var(--border-gradient-onyx);
  width: 30px; height: 30px;
  border-radius: 8px;
  display: flex; justify-content: center; align-items: center;
  font-size: 16px;
  color: var(--cyan);
  box-shadow: var(--shadow-1);
  z-index: 1;
}

.icon-box::before {
  content: "";
  position: absolute;
  inset: 1px;
  background: var(--eerie-black-1);
  border-radius: inherit;
  z-index: -1;
}

.icon-box ion-icon { --ionicon-stroke-width: 35px; }

article { display: none; }

article.active {
  display: block;
  animation: fade 0.5s ease backwards;
}

@keyframes fade { 0% { opacity: 0; } 100% { opacity: 1; } }

.h2, .h3, .h4, .h5 { color: var(--white-2); text-transform: capitalize; }
.h2 { font-size: var(--fs-1); }
.h3 { font-size: var(--fs-2); }
.h4 { font-size: var(--fs-4); }
.h5 { font-size: var(--fs-7); font-weight: var(--fw-500); }

.article-title { position: relative; padding-bottom: 7px; }

.article-title::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 30px; height: 3px;
  background: var(--text-gradient-cyan);
  border-radius: 3px;
}

.has-scrollbar::-webkit-scrollbar { width: 5px; height: 5px; }
.has-scrollbar::-webkit-scrollbar-track { background: var(--onyx); border-radius: 5px; }
.has-scrollbar::-webkit-scrollbar-thumb { background: var(--cyan); border-radius: 5px; }
.has-scrollbar::-webkit-scrollbar-button { width: 20px; }

.content-card {
  position: relative;
  background: var(--border-gradient-onyx);
  padding: 15px;
  padding-top: 45px;
  border-radius: 14px;
  box-shadow: var(--shadow-2);
  cursor: pointer;
  z-index: 1;
}

.content-card::before {
  content: "";
  position: absolute;
  inset: 1px;
  background: var(--bg-gradient-jet);
  border-radius: inherit;
  z-index: -1;
}

main { margin: 15px 12px; margin-bottom: 75px; min-width: 259px; }

/*--- SIDEBAR ---*/
.sidebar { margin-bottom: 15px; max-height: 112px; overflow: hidden; transition: var(--transition-2); }
.sidebar.active { max-height: 405px; }
.sidebar-info { position: relative; display: flex; justify-content: flex-start; align-items: center; gap: 15px; }
.avatar-box { background: var(--bg-gradient-onyx); border-radius: 20px; }
.info-content .name { color: var(--white-2); font-size: var(--fs-3); font-weight: var(--fw-500); letter-spacing: -0.25px; margin-bottom: 10px; }
.info-content .title { color: var(--white-1); background: var(--onyx); font-size: var(--fs-8); font-weight: var(--fw-300); width: max-content; padding: 3px 12px; border-radius: 8px; }

.info_more-btn {
  position: absolute;
  top: -15px; right: -15px;
  border-radius: 0 15px;
  font-size: 13px;
  color: var(--cyan);
  background: var(--border-gradient-onyx);
  padding: 10px;
  box-shadow: var(--shadow-2);
  transition: var(--transition-1);
  z-index: 1;
}

.info_more-btn::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background: var(--bg-gradient-jet);
  transition: var(--transition-1);
  z-index: -1;
}

.info_more-btn:hover, .info_more-btn:focus { background: var(--bg-gradient-cyan-1); }
.info_more-btn:hover::before, .info_more-btn:focus::before { background: var(--bg-gradient-cyan-2); }
.info_more-btn span { display: none; }

.sidebar-info_more { opacity: 0; visibility: hidden; transition: var(--transition-2); }
.sidebar.active .sidebar-info_more { opacity: 1; visibility: visible; }

.contacts-list { display: grid; grid-template-columns: 1fr; gap: 16px; }

.contact-item { min-width: 100%; display: flex; align-items: center; gap: 16px; }

.contact-info { max-width: calc(100% - 46px); width: calc(100% - 46px); }

.contact-title { color: var(--light-gray-70); font-size: var(--fs-8); text-transform: uppercase; margin-bottom: 2px; }

.contact-info :is(.contact-link, time, address) { color: var(--white-2); font-size: var(--fs-7); }

.contact-info address { font-style: normal; }

.social-list { display: flex; justify-content: flex-start; align-items: center; gap: 15px; padding-bottom: 4px; padding-left: 7px; }

.social-item .social-link { color: var(--light-gray-70); font-size: 18px; }
.social-item .social-link:hover { color: var(--cyan); }

/*--- NAVBAR ---*/
.navbar {
  position: fixed;
  bottom: 0; left: 0;
  width: 100%;
  background: hsla(240, 1%, 17%, 0.75);
  backdrop-filter: blur(10px);
  border: 1px solid var(--jet);
  border-radius: 12px 12px 0 0;
  box-shadow: var(--shadow-2);
  z-index: 5;
}

.navbar-list { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; padding: 0 10px; }

.navbar-link { color: var(--light-gray); font-size: var(--fs-8); padding: 20px 7px; transition: color var(--transition-1); }
.navbar-link:hover, .navbar-link:focus { color: var(--light-gray-70); }
.navbar-link.active { color: var(--cyan); }

/*--- ABOUT / OVERVIEW ---*/
.about .article-title { margin-bottom: 15px; }

.about-text { color: var(--light-gray); font-size: var(--fs-6); font-weight: var(--fw-300); line-height: 1.6; }
.about-text p { margin-bottom: 15px; }

.service { margin-bottom: 35px; }
.service-title { margin-bottom: 20px; }
.service-list { display: grid; grid-template-columns: 1fr; gap: 20px; }

.service-item {
  position: relative;
  background: var(--border-gradient-onyx);
  padding: 20px;
  border-radius: 14px;
  box-shadow: var(--shadow-2);
  z-index: 1;
}

.service-item::before {
  content: "";
  position: absolute;
  inset: 1px;
  background: var(--bg-gradient-jet);
  border-radius: inherit;
  z-index: -1;
}

.service-icon-box { margin-bottom: 10px; }
.service-icon-box img { margin: auto; }
.service-content-box { text-align: center; }
.service-item-title { margin-bottom: 7px; }
.service-item-text { color: var(--light-gray); font-size: var(--fs-6); font-weight: var(--fw-3); line-height: 1.6; }

/* lab highlights (testimonials style) */
.testimonials { margin-bottom: 30px; }
.testimonials-title { margin-bottom: 20px; }

.testimonials-list {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  gap: 15px;
  margin: 0 -15px;
  padding: 25px 15px;
  padding-bottom: 35px;
  overflow-x: auto;
  scroll-behavior: smooth;
  overscroll-behavior-inline: contain;
  scroll-snap-type: inline mandatory;
}

.testimonials-item { min-width: 100%; scroll-snap-align: center; }

.testimonials-avatar-box {
  position: absolute;
  top: 0; left: 0;
  transform: translate(15px, -25px);
  background: var(--bg-gradient-onyx);
  border-radius: 14px;
  box-shadow: var(--shadow-1);
}

.testimonials-item-title { margin-bottom: 7px; }

.testimonials-text {
  color: var(--light-gray);
  font-size: var(--fs-6);
  font-weight: var(--fw-300);
  line-height: 1.6;
  display: -webkit-box;
  line-clamp: 4;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* modal */
.modal-container {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow-y: auto;
  overscroll-behavior: contain;
  z-index: 20;
  pointer-events: none;
  visibility: hidden;
}

.modal-container::-webkit-scrollbar { display: none; }

.modal-container.active { pointer-events: all; visibility: visible; }

.overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100vh;
  background: hsl(0, 0%, 5%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 1;
  transition: var(--transition-1);
}

.overlay.active { opacity: 0.8; visibility: visible; pointer-events: all; }

.testimonials-modal {
  background: var(--eerie-black-2);
  position: relative;
  padding: 15px;
  margin: 15px 12px;
  border: 1px solid var(--jet);
  border-radius: 14px;
  box-shadow: var(--shadow-5);
  transform: scale(1.2);
  opacity: 0;
  transition: var(--transition-1);
  z-index: 2;
}

.modal-container.active .testimonials-modal { transform: scale(1); opacity: 1; }

.modal-close-btn {
  position: absolute;
  top: 15px; right: 15px;
  background: var(--onyx);
  border-radius: 8px;
  width: 32px; height: 32px;
  display: flex; justify-content: center; align-items: center;
  color: var(--white-2);
  font-size: 18px;
  opacity: 0.7;
}

.modal-close-btn:hover, .modal-close-btn:focus { opacity: 1; }
.modal-close-btn ion-icon { --ionicon-stroke-width: 50px; }

.modal-avatar-box { background: var(--bg-gradient-onyx); width: max-content; border-radius: 14px; margin-bottom: 15px; box-shadow: var(--shadow-2); }
.modal-img-wrapper > img { display: none; }
.modal-title { margin-bottom: 4px; }
.modal-content time { font-size: var(--fs-6); color: var(--light-gray-70); font-weight: var(--fw-300); margin-bottom: 10px; }
.modal-content p { color: var(--light-gray); font-size: var(--fs-6); font-weight: var(--fw-300); line-height: 1.6; }

/* resources (clients style) */
.clients { margin-bottom: 15px; }

.clients-list {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  gap: 15px;
  margin: 0 -15px;
  padding: 25px;
  overflow-x: auto;
  scroll-behavior: smooth;
  overscroll-behavior-inline: contain;
  scroll-snap-type: inline mandatory;
  scroll-padding-inline: 25px;
}

.clients-item { min-width: 50%; scroll-snap-align: start; }
.clients-item img { width: 100%; filter: grayscale(1); transition: var(--transition-1); }
.clients-item img:hover { filter: grayscale(0); }

/* resource cards */
.resource-card {
  position: relative;
  background: var(--border-gradient-onyx);
  padding: 18px;
  border-radius: 14px;
  box-shadow: var(--shadow-2);
  z-index: 1;
  min-width: 200px;
  scroll-snap-align: start;
}

.resource-card::before {
  content: "";
  position: absolute;
  inset: 1px;
  background: var(--bg-gradient-jet);
  border-radius: inherit;
  z-index: -1;
}

.resource-card .resource-icon { font-size: 28px; margin-bottom: 10px; }
.resource-card .resource-name { color: var(--white-2); font-size: var(--fs-6); font-weight: var(--fw-500); margin-bottom: 4px; }
.resource-card .resource-desc { color: var(--light-gray-70); font-size: var(--fs-8); font-weight: var(--fw-300); line-height: 1.5; }

.resources-list {
  display: flex;
  gap: 15px;
  margin: 0 -15px;
  padding: 10px 15px 25px;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: inline mandatory;
}

/*--- RESUME / ROADMAP ---*/
.article-title { margin-bottom: 30px; }
.timeline { margin-bottom: 30px; }

.timeline .title-wrapper { display: flex; align-items: center; gap: 15px; margin-bottom: 25px; }

.timeline-list { font-size: var(--fs-6); margin-left: 45px; }
.timeline-item { position: relative; }
.timeline-item:not(:last-child) { margin-bottom: 20px; }
.timeline-item-title { font-size: var(--fs-6); line-height: 1.3; margin-bottom: 7px; }

.timeline-list span { color: var(--cyan); font-weight: var(--fw-400); line-height: 1.6; }

.timeline-item:not(:last-child)::before {
  content: "";
  position: absolute;
  top: -25px; left: -30px;
  width: 1px;
  height: calc(100% + 50px);
  background: var(--jet);
}

.timeline-item::after {
  content: "";
  position: absolute;
  top: 5px; left: -33px;
  height: 6px; width: 6px;
  background: var(--text-gradient-cyan);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--jet);
}

.timeline-text { color: var(--light-gray); font-weight: var(--fw-300); line-height: 1.6; }

.skills-title { margin-bottom: 20px; }
.skills-list { padding: 20px; }
.skills-item:not(:last-child) { margin-bottom: 15px; }

.skill .title-wrapper { display: flex; align-items: center; gap: 5px; margin-bottom: 8px; }
.skill .title-wrapper data { color: var(--light-gray); font-size: var(--fs-7); font-weight: var(--fw-300); }

.skill-progress-bg { background: var(--jet); width: 100%; height: 8px; border-radius: 10px; }
.skill-progress-fill { background: var(--text-gradient-cyan); height: 100%; border-radius: inherit; }

/*--- CERTIFICATIONS (portfolio style) ---*/
.filter-list { display: none; }

.filter-select-box { position: relative; margin-bottom: 25px; }

.filter-select {
  background: var(--eerie-black-2);
  color: var(--light-gray);
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--jet);
  border-radius: 14px;
  font-size: var(--fs-6);
  font-weight: var(--fw-300);
}

.filter-select.active .select-icon { transform: rotate(0.5turn); }

.select-list {
  background: var(--eerie-black-2);
  position: absolute;
  top: calc(100% + 6px);
  width: 100%;
  padding: 6px;
  border: 1px solid var(--jet);
  border-radius: 14px;
  z-index: 2;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: 0.15s ease-in-out;
}

.filter-select.active + .select-list { opacity: 1; visibility: visible; pointer-events: all; }

.select-item button {
  background: var(--eerie-black-2);
  color: var(--light-gray);
  font-size: var(--fs-6);
  font-weight: var(--fw-300);
  text-transform: capitalize;
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
}

.project-list { display: grid; grid-template-columns: 1fr; gap: 30px; margin-bottom: 10px; }
.project-item { display: none; }
.project-item.active { display: block; animation: scaleUp 0.25s ease forwards; }

@keyframes scaleUp { 0% { transform: scale(0.5); } 100% { transform: scale(1); } }

.project-item > a { width: 100%; }

.project-img {
  position: relative;
  width: 100%; height: 200px;
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 15px;
}

.project-img::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: transparent;
  z-index: 1;
  transition: var(--transition-1);
}

.project-item > a:hover .project-img::before { background: hsla(0, 0%, 0%, 0.5); }

.project-item-icon-box {
  --scale: 0.8;
  background: var(--jet);
  color: var(--cyan);
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(var(--scale));
  font-size: 20px;
  padding: 18px;
  border-radius: 12px;
  opacity: 0;
  z-index: 1;
  transition: var(--transition-1);
}

.project-item > a:hover .project-item-icon-box { --scale: 1; opacity: 1; }
.project-item-icon-box ion-icon { --ionicon-stroke-width: 50px; }

.project-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition-1); }
.project-item > a:hover img { transform: scale(1.1); }
.project-title, .project-category { margin-left: 10px; }
.project-title { color: var(--white-2); font-size: var(--fs-5); font-weight: var(--fw-400); text-transform: capitalize; line-height: 1.3; }
.project-category { color: var(--light-gray-70); font-size: var(--fs-6); font-weight: var(--fw-300); }

/*--- CONTACT ---*/
.mapbox {
  position: relative;
  height: 250px;
  width: 100%;
  border-radius: 16px;
  margin-bottom: 30px;
  border: 1px solid var(--jet);
  overflow: hidden;
}
.mapbox figure { height: 100%; }
.mapbox iframe {
  width: 100%;
  height: 100%;
  border: none;
  filter: grayscale(1) invert(1);
}

.contact-form { margin-bottom: 10px; }
.form-title { margin-bottom: 20px; }

.input-wrapper { display: grid; grid-template-columns: 1fr; gap: 25px; margin-bottom: 25px; }

.form-input {
  color: var(--white-2);
  font-size: var(--fs-6);
  font-weight: var(--fw-400);
  padding: 13px 20px;
  border: 1px solid var(--jet);
  border-radius: 14px;
  outline: none;
}

.form-input::placeholder { font-weight: var(--fw-500); }
.form-input:focus { border-color: var(--cyan); }

textarea.form-input { min-height: 100px; height: 120px; max-height: 200px; resize: vertical; margin-bottom: 25px; }
textarea.form-input::-webkit-resizer { display: none; }
.form-input:focus:invalid { border-color: var(--bittersweet-shimmer); }

.form-btn {
  position: relative;
  width: 100%;
  background: var(--border-gradient-onyx);
  color: var(--cyan);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  padding: 13px 20px;
  border-radius: 14px;
  font-size: var(--fs-6);
  text-transform: capitalize;
  box-shadow: var(--shadow-3);
  z-index: 1;
  transition: var(--transition-1);
}

.form-btn::before {
  content: "";
  position: absolute;
  inset: 1px;
  background: var(--bg-gradient-jet);
  border-radius: inherit;
  z-index: -1;
  transition: var(--transition-1);
}

.form-btn ion-icon { font-size: 16px; }
.form-btn:hover { background: var(--bg-gradient-cyan-1); }
.form-btn:hover::before { background: var(--bg-gradient-cyan-2); }
.form-btn:disabled { opacity: 0.7; cursor: not-allowed; }
.form-btn:disabled:hover { background: var(--border-gradient-onyx); }
.form-btn:disabled:hover::before { background: var(--bg-gradient-jet); }

/* github issue link */
.github-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--cyan);
  font-size: var(--fs-6);
  margin-bottom: 20px;
  padding: 10px 16px;
  border: 1px solid var(--jet);
  border-radius: 10px;
  transition: var(--transition-1);
}

.github-link:hover { background: var(--bg-gradient-cyan-1); border-color: var(--cyan); }

/*--- RESPONSIVE ---*/
@media (min-width: 450px) {
  .clients-item { min-width: calc(33.33% - 10px); }
  .project-img { height: auto; }
}

@media (min-width: 580px) {
  :root {
    --fs-1: 32px; --fs-2: 24px; --fs-3: 26px;
    --fs-4: 18px; --fs-6: 15px; --fs-7: 15px; --fs-8: 12px;
  }

  .sidebar, article { width: 520px; margin-inline: auto; padding: 30px; }
  .article-title { font-weight: var(--fw-600); padding-bottom: 15px; }
  .article-title::after { width: 40px; height: 5px; }
  .icon-box { width: 48px; height: 48px; border-radius: 12px; font-size: 18px; }
  main { margin-top: 60px; margin-bottom: 100px; }
  .sidebar { max-height: 180px; margin-bottom: 30px; }
  .sidebar.active { max-height: 584px; }
  .sidebar-info { gap: 25px; }
  .avatar-box { border-radius: 30px; }
  .avatar-box img { width: 120px; }
  .info-content .name { margin-bottom: 15px; }
  .info-content .title { padding: 5px 18px; }
  .info_more-btn { top: -30px; right: -30px; padding: 10px 15px; }
  .info_more-btn span { display: block; font-size: var(--fs-8); }
  .info_more-btn ion-icon { display: none; }
  .separator { margin: 32px 0; }
  .contacts-list { gap: 20px; }
  .contact-info { max-width: calc(100% - 64px); width: calc(100% - 64px); }
  .navbar { border-radius: 20px 20px 0 0; }
  .navbar-list { gap: 20px; }
  .navbar-link { --fs-8: 14px; }
  .about .article-title { margin-bottom: 20px; }
  .about-text { margin-bottom: 40px; }
  .service-item { display: flex; justify-content: flex-start; align-items: flex-start; gap: 18px; padding: 30px; }
  .service-icon-box { margin-bottom: 0; margin-top: 5px; }
  .service-content-box { text-align: left; }
  .testimonials-title { margin-bottom: 25px; }
  .testimonials-list { gap: 30px; margin: 0 -30px; padding: 30px; padding-bottom: 35px; }
  .content-card { padding: 30px; padding-top: 25px; }
  .testimonials-avatar-box { transform: translate(30px, -30px); border-radius: 20px; }
  .testimonials-avatar-box img { width: 80px; }
  .testimonials-item-title { margin-bottom: 10px; margin-left: 95px; }
  .testimonials-text { line-clamp: 2; -webkit-line-clamp: 2; }
  .modal-container { padding: 20px; }
  .testimonials-modal { display: flex; justify-content: flex-start; align-items: stretch; gap: 25px; padding: 30px; border-radius: 20px; }
  .modal-img-wrapper { display: flex; flex-direction: column; align-items: center; }
  .modal-avatar-box { border-radius: 18px; margin-bottom: 0; }
  .modal-avatar-box img { width: 65px; }
  .modal-img-wrapper > img { display: block; flex-grow: 1; width: 35px; }
  .clients-list { gap: 50px; margin: 0 -30px; padding: 45px; scroll-padding-inline: 45px; }
  .clients-item { min-width: calc(33.33% - 35px); }
  .timeline-list { margin-left: 65px; }
  .timeline-item:not(:last-child)::before { left: -40px; }
  .timeline-item::after { height: 8px; width: 8px; left: -43px; }
  .skills-item:not(:last-child) { margin-bottom: 25px; }
  .project-img { border-radius: 16px; }
  .input-wrapper { gap: 30px; margin-bottom: 30px; }
  .form-input { padding: 15px 20px; }
  textarea.form-input { margin-bottom: 30px; }
  .form-btn { --fs-6: 16px; padding: 16px 20px; }
  .form-btn ion-icon { font-size: 18px; }
}

@media (min-width: 768px) {
  .sidebar, article { width: 700px; }
  .has-scrollbar::-webkit-scrollbar-button { width: 100px; }
  .contacts-list { grid-template-columns: 1fr 1fr; gap: 30px 15px; }
  .navbar-link { --fs-8: 15px; }
  .testimonials-modal { gap: 35px; max-width: 680px; }
  .modal-avatar-box img { width: 80px; }
  .article-title { padding-bottom: 20px; }
  .filter-select-box { display: none; }
  .filter-list { display: flex; justify-content: flex-start; align-items: center; gap: 25px; padding-left: 5px; margin-bottom: 30px; }
  .filter-item button { color: var(--light-gray); font-size: var(--fs-5); transition: var(--transition-1); }
  .filter-item button:hover { color: var(--light-gray-70); }
  .filter-item button.active { color: var(--cyan); }
  .project-list { grid-template-columns: 1fr 1fr; }
  .input-wrapper { grid-template-columns: 1fr 1fr; }
  .form-btn { width: max-content; margin-left: auto; }
}

@media (min-width: 1024px) {
  :root { --shadow-1: -4px 8px 24px hsla(0, 0%, 0%, 0.125); --shadow-2: 0 16px 30px hsla(0, 0%, 0%, 0.125); --shadow-3: 0 16px 40px hsla(0, 0%, 0%, 0.125); }
  .sidebar, article { width: 950px; box-shadow: var(--shadow-5); }
  main { margin-bottom: 60px; }
  .main-content { position: relative; width: max-content; margin: auto; }
  .navbar { position: absolute; bottom: auto; top: 0; left: auto; right: 0; width: max-content; border-radius: 0 20px; padding: 0 20px; box-shadow: none; }
  .navbar-list { gap: 30px; padding: 0 20px; }
  .navbar-link { font-weight: var(--fw-500); }
  .service-list { grid-template-columns: 1fr 1fr; gap: 20px 25px; }
  .testimonials-item { min-width: calc(50% - 15px); }
  .clients-item { min-width: calc(25% - 38px); }
  .project-list { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1250px) {
  body::-webkit-scrollbar { width: 20px; }
  body::-webkit-scrollbar-track { background: var(--smoky-black); }
  body::-webkit-scrollbar-thumb { border: 5px solid var(--smoky-black); background: hsla(0, 0%, 100%, 0.1); border-radius: 20px; }
  body::-webkit-scrollbar-thumb:hover { background: hsla(0, 0%, 100%, 0.15); }
  body::-webkit-scrollbar-button { height: 60px; }
  .sidebar, article { width: auto; }
  article { min-height: 100%; }
  main { max-width: 1200px; margin-inline: auto; display: flex; justify-content: center; align-items: stretch; gap: 25px; }
  .main-content { min-width: 75%; width: 75%; margin: 0; }
  .sidebar { position: sticky; top: 60px; max-height: max-content; height: 100%; margin-bottom: 0; padding-top: 60px; z-index: 1; }
  .sidebar-info { flex-direction: column; }
  .avatar-box img { width: 150px; }
  .info-content .name { white-space: nowrap; text-align: center; }
  .info-content .title { margin: auto; }
  .info_more-btn { display: none; }
  .sidebar-info_more { opacity: 1; visibility: visible; }
  .contacts-list { grid-template-columns: 1fr; }
  .contact-info :is(.contact-link) { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .contact-info :is(.contact-link, time, address) { --fs-7: 14px; font-weight: var(--fw-300); }
  .separator:last-of-type { margin: 15px 0; opacity: 0; }
  .social-list { justify-content: center; }
  .timeline-text { max-width: 700px; }
}
