/* ===============================
   Keegan Usry • Clean Light Theme
   Off-white background, black text
   =============================== */

/* ---- Theme tokens (grayscale only) ---- */
:root {
  --bg: #f7f7f8;         /* page background (off-white) */
  --card-bg: #ffffff;    /* cards */
  --ink: #111111;        /* primary text (near-black) */
  --ink-2: #2b2b2b;      /* headings / brand */
  --ink-3: #444444;      /* secondary text */
  --ink-4: #666666;      /* muted text */
  --line: #dddddf;       /* borders / dividers */
  --line-2: #cccccf;     /* stronger border */
  --hover-bg: #f0f0f2;   /* hover surfaces */
  --shadow: 0 2px 6px rgba(17,17,17,0.06);
  --shadow-lg: 0 10px 24px rgba(17,17,17,0.10);
  --radius: 14px;
  --radius-sm: 10px;
  --wrap: 1280px;
}

/* ---- Reset / base ---- */
* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }

a {
  color: var(--ink-2);
  text-decoration: none;
  transition: color .15s ease, opacity .15s ease;
}
a:hover { color: var(--ink); }

/* ---- Global layout ---- */
header, main, footer {
  width: 100%;
  display: flex;
  justify-content: center;
}
.wrap {
  width: 100%;
  max-width: var(--wrap);
  padding: 20px;
  margin: 0 auto;
}

/* ===============================
   Top Navigation (tabs with personality)
   =============================== */
.nav {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: flex-end;
  padding: 14px 20px; /*added 20px to make top tabs not as close to side*/
  position: sticky;
  top: 0;
  backdrop-filter: saturate(180%) blur(6px);
  background: color-mix(in srgb, var(--bg) 88%, white 12%);
  border-bottom: 1px solid var(--line);
  z-index: 50;
}

.nav .brand {
  margin-right: auto;
  font-weight: 800;
  letter-spacing: .2px;
  color: var(--ink-2);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.nav .brand::before{
  content: "◆";
  font-size: 12px;
  color: var(--ink-3);
  opacity: .75;
}
.nav .brand:hover{
  background: var(--hover-bg);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

/* Tabs (links) */
.tab {
  --pad-x: 14px;
  --pad-y: 8px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: var(--pad-y) var(--pad-x);
  border-radius: 999px;              /* pill look */
  border: 1px solid var(--line);
  color: var(--ink-3);
  background: #fff;                  /* subtle chip */
  box-shadow: 0 1px 0 rgba(17,17,17,0.04);
  position: relative;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease, border-color .15s ease;
}
.tab:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
  color: var(--ink-2);
  border-color: var(--line-2);
}

/* Underline accent on hover/focus */
.tab::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 6px;
  height: 2px;
  background: var(--ink-3);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .2s ease;
  opacity: .6;
}
.tab:hover::after,
.tab:focus-visible::after { transform: scaleX(1); }

/* Active tab: stronger fill but still grayscale */
.tab.active {
  background: var(--hover-bg);
  color: var(--ink-2);
  border-color: var(--line-2);
  box-shadow: var(--shadow);
}

/* Keyboard focus */
.tab:focus-visible, .brand:focus-visible {
  outline: 2px solid var(--ink-3);
  outline-offset: 2px;
}

/* ===============================
   Sections & Cards
   =============================== */
.card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px; /*was24*/
  margin: 20px 0; /*was 16*/
  box-shadow: var(--shadow);
}

h1 { margin: 0 0 8px; font-size: clamp(28px, 4vw, 42px); line-height: 1.1; color: var(--ink-2); }
h2 { margin: 0 0 12px; font-size: clamp(20px, 2.5vw, 28px); color: var(--ink-2); }
h3 { margin: 0 0 8px; font-size: 18px; color: var(--ink-2); }
p  { margin: 8px 0 0; color: var(--ink); }
.muted { color: var(--ink-4); }

.hero {
  display: grid;
  gap: 24px;
  padding: 40px 0 20px;
  grid-template-columns: 1fr;       /* mobile */
}
@media (min-width: 840px){
  .hero { grid-template-columns: 2fr 1fr; } /* desktop */
}

/* Sub-cards inside grids (e.g., skill/experience columns) */
.card .card {
  border-radius: 12px;
  border-color: var(--line);
  box-shadow: none;
  background: #fff;
}

/* Divider */
.section-divider{
  height:1px; background: var(--line); border:0; margin: 24px 0;
}

/* ===============================
   Buttons (for Resume / CTAs)
   =============================== */
.btn {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-2);
  font-weight: 600;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
  background: var(--hover-bg);
}

/* ===============================
   Skill Badges (unfilled chips)
   =============================== */
.badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  font-size: 12px;
  border-radius: 999px;
  border: 1px solid var(--line-2); /* outline only */
  background: transparent;         /* unfilled */
  color: var(--ink-3);
  transition: background .15s ease, border-color .15s ease, color .15s ease, transform .15s ease;
}
.badge::before{
  content: "";
  width: 6px; height: 6px;
  border: 1px solid var(--line-2);
  border-radius: 50%;
  background: #fff;
}
.badge:hover {
  background: var(--hover-bg);
  border-color: var(--line);
  color: var(--ink-2);
  transform: translateY(-1px);
}

/* ===============================
   Images
   =============================== */
.avatar {
  display: block;
  margin: 0 auto;                 /* centers horizontally */
  width: 80%;                     /* smaller than full card */
  height: auto;                   /* keep natural aspect ratio */
  border-radius: var(--radius);   /* same curved edges as card */
  object-fit: cover;              /* crop nicely if needed */
  border: 2px solid var(--line);  /* subtle outline */
  box-shadow: var(--shadow);      /* small shadow */
}



.proj-img{
  width: 100%;
  max-height: 300px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--line);
  margin-top: 12px;
  cursor: zoom-in;
  transition: transform .18s ease, box-shadow .18s ease;
  box-shadow: 0 1px 0 rgba(17,17,17,0.04);
}
.proj-img:hover{
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

/* Project galleries (2-up on wide screens) */
.proj-gallery{
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px){
  .proj-gallery{ grid-template-columns: 1fr 1fr 1fr; }
}

/* ===============================
   Lightbox (for project images)
   =============================== */
.lightbox{
  position: fixed; inset: 0;
  display: none;
  align-items: center; justify-content: center;
  background: rgba(0,0,0,.9);
  padding: 24px; z-index: 9999;
}
.lightbox.open{ display: flex; }
.lightbox img{
  max-width: 95vw; max-height: 95vh;
  width: auto; height: auto;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
}
.lightbox button[data-close]{
  position: absolute; top: 14px; right: 16px;
  font-size: 28px; line-height: 1;
  background: transparent; border: none; color: #fff; cursor: pointer;
}

/* ===============================
   Tables (if needed later)
   =============================== */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); color: var(--ink); }
th { color: var(--ink-3); font-weight: 600; }

/* ===============================
   Footer
   =============================== */
footer { padding: 40px 0; color: var(--ink-4); }

/* ===============================
   Responsive tweaks
   =============================== */
@media (max-width: 840px){
  .avatar { width: 78%; }
}
@media (max-width: 520px){
  .nav { flex-wrap: wrap; gap: 8px; }
  .nav .brand { margin-bottom: 6px; }
}