/* VARIABLE DEFINITIONS (THEME SUPPORT)
*/
:root {
  /* -- DARK THEME (DEFAULT) -- */
  --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-yellow-1: linear-gradient(to bottom right, hsl(45, 100%, 71%) 0%, hsla(36, 100%, 69%, 0) 50%);
  --bg-gradient-yellow-2: linear-gradient(135deg, hsla(45, 100%, 71%, 0.251) 0%, hsla(35, 100%, 68%, 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-yellow: linear-gradient(to right, hsl(45, 100%, 72%), hsl(35, 100%, 68%));

  --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%);
  --orange-yellow-crayola: hsl(45, 100%, 72%);
  --vegas-gold: hsl(45, 54%, 58%);
  --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;
}

/* -- LIGHT THEME OVERRIDES -- */
[data-theme="light"] {
  --bg-gradient-onyx: linear-gradient(to bottom right, hsl(0, 0%, 95%) 3%, hsl(0, 0%, 90%) 97%);
  --bg-gradient-jet: linear-gradient(to bottom right, hsla(0, 0%, 100%, 0.9) 0%, hsla(0, 0%, 90%, 0) 100%), hsl(0, 0%, 98%);
  --border-gradient-onyx: linear-gradient(to bottom right, hsl(0, 0%, 80%) 0%, hsla(0, 0%, 90%, 0) 50%);
  
  --jet: hsl(0, 0%, 90%);
  --onyx: hsl(0, 0%, 96%);
  --eerie-black-1: hsl(0, 0%, 96%);
  --eerie-black-2: hsl(0, 0%, 98%);
  --smoky-black: hsl(0, 0%, 93%);
  
  --white-1: hsl(0, 0%, 20%);
  --white-2: hsl(0, 0%, 30%);
  --light-gray: hsl(0, 0%, 40%);
  --light-gray-70: hsla(0, 0%, 40%, 0.7);
  
  /* Slightly darker shadows for light mode */
  --shadow-1: -4px 8px 24px hsla(0, 0%, 0%, 0.1);
  --shadow-2: 0 16px 30px hsla(0, 0%, 0%, 0.1);
  --shadow-3: 0 16px 40px hsla(0, 0%, 0%, 0.1);
  --shadow-4: 0 25px 50px hsla(0, 0%, 0%, 0.05);
  --shadow-5: 0 24px 80px hsla(0, 0%, 0%, 0.1);
  
  /* Keep accent colors (Gold/Orange) the same or tweak slightly */
  --orange-yellow-crayola: hsl(45, 90%, 45%); /* Darker gold for text visibility on white */
  --text-gradient-yellow: linear-gradient(to right, hsl(45, 90%, 45%), hsl(35, 90%, 40%));
}

/* RESET & BASICS */
*, *::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(--orange-yellow-crayola); color: var(--smoky-black); }
:focus { outline-color: var(--orange-yellow-crayola); }
html { font-family: var(--ff-poppins); }
body { background: var(--smoky-black); transition: background 0.5s ease; }

/* REUSED STYLE */
.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;
  transition: background 0.5s ease, border-color 0.5s ease;
}

.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(--orange-yellow-crayola);
  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; transition: background 0.5s ease;}

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-yellow); 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(--orange-yellow-crayola); 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; transition: background 0.5s ease;}

/* MAIN */
main { margin: 15px 12px; margin-bottom: 75px; min-width: 259px; }

/* THEME TOGGLE BUTTON */
.theme-btn {
  position: absolute;
  top: 15px; right: 15px;
  background: var(--border-gradient-onyx);
  border-radius: 12px;
  padding: 10px;
  box-shadow: var(--shadow-1);
  z-index: 5;
  color: var(--orange-yellow-crayola);
  transition: var(--transition-1);
}
.theme-btn:hover { background: var(--bg-gradient-yellow-1); color: var(--smoky-black); }

/* SIDEBAR */
.sidebar { margin-bottom: 15px; max-height: 112px; overflow: hidden; transition: var(--transition-2); width: 100%; position: relative; }
.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; padding: 10px; }
.avatar-box img { border-radius: 15px; width: 80px; height: 80px; object-fit: cover; }
.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(--orange-yellow-crayola); 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-yellow-1); }
.info_more-btn:hover::before, .info_more-btn:focus::before { background: var(--bg-gradient-yellow-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(--light-gray); }

/* 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; transition: background 0.5s ease;}
[data-theme="light"] .navbar { background: hsla(0, 0%, 100%, 0.75); }
.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(--orange-yellow-crayola); }

/* ABOUT */
.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; }
.professional-tagline { color: var(--orange-yellow-crayola); font-size: var(--fs-6); text-align: center; padding: 15px; background: var(--border-gradient-onyx); border-radius: 10px; margin-top: 20px; position: relative; z-index: 1; }
.professional-tagline::before { content: ""; position: absolute; inset: 1px; background: var(--bg-gradient-jet); border-radius: inherit; z-index: -1; transition: background 0.5s ease;}

/* Service */
.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; transition: background 0.5s ease;}
.service-icon-box { margin-bottom: 10px; text-align: center; }
.service-icon-box img { margin: auto; max-width: 80px; height: 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-300); line-height: 1.6; }

/* RESUME */
.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(--vegas-gold); 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-yellow); border-radius: 50%; box-shadow: 0 0 0 4px var(--jet); transition: box-shadow 0.5s ease;}
.timeline-text { color: var(--light-gray); font-weight: var(--fw-300); line-height: 1.6; }

/* SKILLS */
.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-yellow); height: 100%; border-radius: inherit; }

/* PORTFOLIO */
.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; }
.select-item button:hover { background: hsl(240, 2%, 20%); }
.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; background: var(--onyx); display: flex; align-items: center; justify-content: center; color: var(--light-gray-70); }
.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(--orange-yellow-crayola); 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); }

/* CERTIFICATIONS & PROJECTS DETAILS GRID */
.certifications-grid { display: grid; grid-template-columns: 1fr; gap: 25px; margin-top: 20px; }
.certification-card { background: var(--border-gradient-onyx); padding: 25px; border-radius: 20px; box-shadow: var(--shadow-2); position: relative; z-index: 1; transition: var(--transition-1); }
.certification-card::before { content: ""; position: absolute; inset: 1px; background: var(--bg-gradient-jet); border-radius: inherit; z-index: -1; transition: background 0.5s ease;}
.certification-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-4); }
.certification-image { width: 100%; border-radius: 15px; overflow: hidden; margin-bottom: 20px; box-shadow: var(--shadow-3); }
.certification-image img { width: 100%; height: 250px; object-fit: cover; transition: var(--transition-1); }
.certification-card:hover .certification-image img { transform: scale(1.02); }
.certification-info { text-align: center; }
.certification-title { color: var(--white-2); font-size: var(--fs-3); font-weight: var(--fw-600); margin-bottom: 10px; line-height: 1.3; }
.certification-issuer { display: inline-block; background: var(--orange-yellow-crayola); color: var(--smoky-black); padding: 5px 15px; border-radius: 20px; font-size: var(--fs-8); font-weight: var(--fw-600); text-transform: uppercase; margin-bottom: 15px; }
.certification-date { color: var(--light-gray); font-size: var(--fs-7); margin-bottom: 15px; }
.certification-verify { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; background: var(--border-gradient-onyx); color: var(--white-2); border-radius: 10px; font-size: var(--fs-7); font-weight: var(--fw-500); transition: var(--transition-1); position: relative; z-index: 1; }
.certification-verify::before { content: ""; position: absolute; inset: 1px; background: var(--bg-gradient-jet); border-radius: inherit; transition: var(--transition-1); z-index: -1; }
.certification-verify:hover { color: var(--orange-yellow-crayola); transform: translateY(-2px); }

/* PROJECT DETAILS SPECIFIC */
.back-nav { margin-bottom: 30px; }
.back-btn { display: inline-flex; align-items: center; gap: 10px; color: var(--orange-yellow-crayola); font-size: var(--fs-6); padding: 12px 20px; border-radius: 10px; background: var(--border-gradient-onyx); transition: var(--transition-1); position: relative; z-index: 1; cursor: pointer;}
.back-btn::before { content: ""; position: absolute; inset: 1px; background: var(--bg-gradient-jet); border-radius: inherit; transition: var(--transition-1); z-index: -1; }
.back-btn:hover { color: var(--white-1); transform: translateY(-2px); }

.project-details-grid { display: grid; grid-template-columns: 1fr; gap: 25px; }

/* --- FIXED HEADER STYLES --- */
.project-header { 
  background: var(--border-gradient-onyx); 
  padding: 30px; 
  border-radius: 20px; 
  margin-bottom: 30px; 
  display: grid; 
  grid-template-columns: 1fr; /* Default mobile stack */
  gap: 30px; 
  box-shadow: var(--shadow-2); 
  position: relative; 
  z-index: 1; 
  overflow: hidden; /* Prevents content spill */
}

.project-header::before { content: ""; position: absolute; inset: 1px; background: var(--bg-gradient-jet); border-radius: inherit; z-index: -1; }

/* Enforce Image Constraints */
.project-image {
  width: 100%;
  height: auto; /* Allow height to adapt */
  max-height: 300px; /* Prevent it from getting too tall */
  border-radius: 15px;
  overflow: hidden;
  box-shadow: var(--shadow-3);
  position: relative;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* Ensures image fills box without stretching */
  display: block;
}

/* Info container fixes */
.project-info {
  display: flex;
  flex-direction: column;
  justify-content: center; /* Center text vertically */
  gap: 15px;
  min-width: 0; /* CSS Grid overflow fix */
}

/* ... Keep your existing stack/description styles ... */
.project-description, .project-features, .project-stack { background: var(--border-gradient-onyx); padding: 30px; border-radius: 20px; box-shadow: var(--shadow-2); position: relative; z-index: 1; }
.project-description::before, .project-features::before, .project-stack::before { content: ""; position: absolute; inset: 1px; background: var(--bg-gradient-jet); border-radius: inherit; z-index: -1; }
.project-link { display: flex; align-items: center; gap: 8px; padding: 12px 24px; background: var(--border-gradient-onyx); color: var(--white-2); border-radius: 10px; font-size: var(--fs-6); font-weight: var(--fw-500); transition: var(--transition-1); position: relative; z-index: 1; width: fit-content; }
.project-link::before { content: ""; position: absolute; inset: 1px; background: var(--bg-gradient-jet); border-radius: inherit; transition: var(--transition-1); z-index: -1; }
.project-link:hover { color: var(--orange-yellow-crayola); transform: translateY(-2px); }
.features-list li { color: var(--light-gray); padding: 8px 0; padding-left: 25px; position: relative; line-height: 1.6; }
.features-list li::before { content: "▸"; position: absolute; left: 0; color: var(--orange-yellow-crayola); font-weight: bold; }
.stack-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.stack-tag { background: var(--border-gradient-onyx); color: var(--orange-yellow-crayola); padding: 8px 16px; border-radius: 20px; font-size: var(--fs-7); font-weight: var(--fw-500); border: 1px solid var(--jet); }

/* --- RESPONSIVE FIX --- */
@media (min-width: 768px) {
  .project-header { 
    /* 300px fixed for image, 1fr for text */
    grid-template-columns: 300px minmax(0, 1fr); 
    align-items: start;
  }
  
  .project-image {
    height: 250px; /* Fixed height for desktop consistency */
  }
  
  .project-details-grid { grid-template-columns: 1fr 1fr; }
  .project-description { grid-column: 1 / -1; }
}
/* ACHIEVEMENTS */
.achievements { margin: 35px 0; }
.achievements-title { margin-bottom: 25px; }
.achievements-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.achievement-card { background: var(--border-gradient-onyx); padding: 20px; border-radius: 14px; position: relative; z-index: 1; transition: var(--transition-1); }
.achievement-card::before { content: ""; position: absolute; inset: 1px; background: var(--bg-gradient-jet); border-radius: inherit; z-index: -1; }
.achievement-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-3); }
.achievement-icon { width: 40px; height: 40px; background: var(--border-gradient-onyx); border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 15px; position: relative; z-index: 1; color: var(--orange-yellow-crayola); font-size: 18px; }
.achievement-icon::before { content: ""; position: absolute; inset: 1px; background: var(--bg-gradient-jet); border-radius: inherit; z-index: -1; }
.achievement-content h4 { color: var(--white-2); font-size: var(--fs-5); font-weight: var(--fw-600); margin-bottom: 8px; }
.achievement-content p { color: var(--light-gray); font-size: var(--fs-7); line-height: 1.5; }
.achievement-stats { display: flex; align-items: center; gap: 10px; margin-top: 10px; }
.achievement-stat { background: var(--onyx); color: var(--orange-yellow-crayola); padding: 4px 10px; border-radius: 12px; font-size: var(--fs-8); font-weight: var(--fw-600); }

/* CONTACT CTA */
.contact-cta { text-align: center; padding: 20px 0; }
.cta-title { color: var(--white-2); font-size: var(--fs-4); margin-bottom: 10px; font-weight: var(--fw-600); }
.cta-text { color: var(--light-gray); font-size: var(--fs-7); margin-bottom: 20px; line-height: 1.5; }
.cta-buttons { display: flex; flex-direction: column; gap: 12px; margin-bottom: 25px; }
.cta-btn { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 20px; border-radius: 10px; font-size: var(--fs-7); font-weight: var(--fw-500); transition: var(--transition-1); position: relative; z-index: 1; text-align: center; }
.cta-btn.primary { background: var(--border-gradient-onyx); color: var(--orange-yellow-crayola); }
.cta-btn.primary::before { content: ""; position: absolute; inset: 1px; background: var(--bg-gradient-jet); border-radius: inherit; z-index: -1; transition: var(--transition-1); }
.cta-btn.primary:hover { color: var(--white-1); transform: translateY(-2px); }
.cta-btn.primary:hover::before { background: var(--bg-gradient-yellow-1); }
.cta-btn.secondary { background: transparent; color: var(--light-gray); border: 1px solid var(--jet); }
.cta-btn.secondary:hover { color: var(--orange-yellow-crayola); border-color: var(--orange-yellow-crayola); transform: translateY(-2px); }
.cta-social-links { display: flex; justify-content: center; gap: 15px; }
.cta-social-link { color: var(--light-gray-70); font-size: 18px; padding: 8px; border-radius: 8px; transition: var(--transition-1); background: var(--border-gradient-onyx); position: relative; z-index: 1; }
.cta-social-link::before { content: ""; position: absolute; inset: 1px; background: var(--bg-gradient-jet); border-radius: inherit; z-index: -1; transition: var(--transition-1); }
.cta-social-link:hover { color: var(--orange-yellow-crayola); transform: translateY(-2px); }
.cta-social-link:hover::before { background: var(--bg-gradient-yellow-1); }

/* RESPONSIVE */
@media (min-width: 450px) {
  .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: 580px; 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; width: 580px; }
  .sidebar.active { max-height: 584px; }
  .sidebar-info { gap: 25px; }
  .avatar-box { border-radius: 30px; padding: 15px; }
  .avatar-box img { width: 120px; height: 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; }
  .project-list { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 768px) {
  .sidebar, article { width: 720px; }
  .has-scrollbar::-webkit-scrollbar-button { width: 100px; }
  .contacts-list { grid-template-columns: 1fr 1fr; gap: 30px 15px; }
  .navbar-link { --fs-8: 15px; }
  .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(--orange-yellow-crayola); }
  .project-list { grid-template-columns: 1fr 1fr; }
  .cta-buttons { flex-direction: row; justify-content: center; }
  .cta-btn { min-width: 140px; }
  .achievements-grid { grid-template-columns: 1fr 1fr; }
  .certifications-grid { grid-template-columns: 1fr 1fr; }
  .project-header { grid-template-columns: 300px 1fr; align-items: start; }
  .project-details-grid { grid-template-columns: 1fr 1fr; }
  .project-description { grid-column: 1 / -1; }
}

@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: 1000px; 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; }
  .project-list { grid-template-columns: repeat(3, 1fr); }
  .achievements-grid { grid-template-columns: repeat(3, 1fr); }
  .project-details-grid { grid-template-columns: 2fr 1fr; }
  .project-features { grid-column: 1; grid-row: 2; }
  .project-stack { grid-column: 2; grid-row: 1 / span 2; }
}

@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; box-shadow: inset 1px 1px 0 hsla(0, 0%, 100%, 0.11), inset -1px -1px 0 hsla(0, 0%, 100%, 0.11); }
  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: 1400px; margin-inline: auto; display: flex; justify-content: center; align-items: stretch; gap: 30px; }
  .main-content { min-width: 70%; width: 70%; margin: 0; }
  .sidebar { position: sticky; top: 60px; max-height: max-content; height: 100%; margin-bottom: 0; padding-top: 60px; z-index: 1; min-width: 380px; flex: 0 0 380px; }
  .sidebar-info { flex-direction: column; }
  .avatar-box img { width: 160px; height: 160px; }
  .info-content .name { white-space: nowrap; text-align: center; font-size: var(--fs-2); }
  .info-content .title { margin: auto; font-size: var(--fs-6); padding: 8px 20px; }
  .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: 15px; font-weight: var(--fw-300); }
  .contact-title { font-size: var(--fs-7); }
  .separator:last-of-type { margin: 20px 0; opacity: 0; }
  .social-list { justify-content: center; gap: 20px; }
  .social-item .social-link { font-size: 22px; }
  .timeline-text { max-width: 700px; }
}

.footer { text-align: center; padding: 10px 0; color: var(--light-gray-70); font-size: var(--fs-8); opacity: 0.6; margin-top: 20px; }
.footer:hover { opacity: 1; }