/* ===== GLOBAL STYLES ===== */
html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;

    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1rem;
}

section {
    padding: 60px 20px;
}

/* ===== HEADER & NAVIGATION ===== */
header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: #222;
    color: white;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    min-height: 64px;
}

h1.brand { margin: 0; }

.brand {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
}

/* Logo badge */
.brand .logo {
    background: #ff6600;
    color: #fff;
    font-weight: 700;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    padding: 0;
    margin-right: 0.6rem;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

/* Nav alignment */
nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

nav ul li {
    margin: 0;
    display: flex;
    align-items: center;
}

/* Nav links */
nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    border-radius: 6px;
    padding: 0.25rem 0.4rem;
    display: inline-flex;
    align-items: center;
    line-height: 1;
    text-underline-offset: 4px;
    text-decoration-thickness: 2px;
}

nav ul li a:hover {
    color: #ff6600;
    text-decoration: underline;
}

nav a[aria-current="page"] {
    color: #ff6600;
    text-decoration: underline;
}

/* Dark mode toggle */
#darkModeToggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 1rem;
  padding: 8px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 8px;
  border: 1px solid #444;
  background: #2e2e2e;     /* Soft charcoal */
  color: #fff;
  cursor: pointer;
  text-decoration: none;
  transition: all .2s ease;
  line-height: 1;
}

#darkModeToggle:hover,
#darkModeToggle:focus-visible {
  background: #ff7a1a;
  border-color: #ff7a1a;
  color: #fff;
  outline: 0;
}

/* Dark mode variant */
body.dark-mode #darkModeToggle {
  background: #1e1e1e;
  border: 1px solid #444;
  color: #ddd;
}

body.dark-mode #darkModeToggle:hover,
body.dark-mode #darkModeToggle:focus-visible {
  background: #ff7a1a;
  border-color: #ff7a1a;
  color: #fff;
  outline-color: #ff7a1a;
}

/* Small screens */
@media (max-width: 760px) {
  .header-inner { flex-wrap: wrap; }
  #darkModeToggle {
    margin-left: 0;
    margin-top: .5rem;
  }
}

/* ===== HERO SECTION ===== */
.hero {
    text-align: center;
    padding: 100px 20px;
    background: linear-gradient(135deg, #222, #444);
    color: white;
}

/* ===== FOOTER ===== */
footer {
  text-align: center;
  padding: 20px;
  background: #222;
  color: #aaa;
  margin-top: 40px;
  border-top: 1px solid #444;
  font-size: 0.9rem;
}

footer a {
  color: #ff7a1a;
  margin: 0 10px;
  text-decoration: none;
  transition: color 0.2s ease;
}
footer a:hover {
  color: #fff;
}

.footer-links,
.footer-social {
  margin-bottom: 10px;
}

.footer-social {
  font-size: 1.3rem;
}
.footer-social a {
  margin: 0 8px;
}
.footer-social i {
  vertical-align: middle;
}

/* Dark mode footer */
body.dark-mode footer {
  background: #1b1b1b;
  color: #cfcfcf;
  border-top-color: #2a2a2a;
}
body.dark-mode footer a:hover {
  color: #ff7a1a;
}

/* ===== ABOUT SECTION ===== */
.about {
    text-align: center;
    padding: 40px 20px 20px;
    background: #f4f4f4;
}

.about-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 800px;
    margin: 0 auto;
}

.profile-pic {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
    border: 4px solid #ff6600;
}

.about-text {
    max-width: 600px;
    text-align: left;
}

.about-text h2 {
    color: #222;
    text-align: center;
}

.about-text p {
    color: #555;
    line-height: 1.6;
}

/* ===== BUTTONS (PRIMARY) ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 8px;
  background: #ff6600;
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover { background: #cc5500; }
.btn:focus-visible { outline: 3px solid #ff6600; outline-offset: 2px; }
.btn[disabled] { opacity: .6; cursor: not-allowed; }

/* Size modifier */
.btn-sm { padding: 8px 12px; border-radius: 6px; }

/* ===== BUTTONS (SECONDARY) ===== */
/* Use for back links + contact links */
.btn-secondary,
.back-link,
.contact-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;                /* pill shape */
  border: 1px solid #ccc;
  background: #f4f4f4;
  color: #333;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}

/* Hover / active */
.btn-secondary:hover,
.back-link:hover,
.contact-links a:hover {
  background: #ff7a1a;
  border-color: #ff7a1a;
  color: #fff;
  text-decoration: none;
}
.btn-secondary:active,
.back-link:active,
.contact-links a:active {
  transform: translateY(0);
}

/* Spacing */
.back-link { margin: 1rem 0 1.25rem; }

/* Focus visibility */
.btn-secondary:focus-visible,
.back-link:focus-visible,
.contact-links a:focus-visible {
  outline: 3px solid #ff6600;
  outline-offset: 2px;
}

/* Icon alignment */
.btn i,
.btn-secondary i,
.back-link i,
.contact-links a i { line-height: 1; }

/* ===== Dark Mode variants ===== */
body.dark-mode .btn { background: #ff7a1a; }
body.dark-mode .btn:hover { background: #e36910; }
body.dark-mode .btn:focus-visible { outline-color: #ff7a1a; }

body.dark-mode .btn-secondary,
body.dark-mode .back-link,
body.dark-mode .contact-links a {
  background: #1e1e1e;
  border: 1px solid #444;
  color: #ddd;
}
body.dark-mode .btn-secondary:hover,
body.dark-mode .back-link:hover,
body.dark-mode .contact-links a:hover {
  background: #ff7a1a;
  border-color: #ff7a1a;
  color: #fff;
}
body.dark-mode .btn-secondary:focus-visible,
body.dark-mode .back-link:focus-visible,
body.dark-mode .contact-links a:focus-visible {
  outline-color: #ff7a1a;
}

/* Contact Links container (layout only) */
.contact-links {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

/* ===== TECH STACK ===== */
.tech-stack {
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
    padding-top: 2rem;
    border-top: 1px solid #ddd;
    text-align: center;
}

.tech-stack h2 {
    margin-bottom: 1rem;
    color: #222;
}

.tech-stack ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.tech-stack li {
    display: flex;
    align-items: center;
    background: white;
    border: 1px solid #ddd;
    border-radius: 20px;
    padding: 6px 12px;
    gap: 0.5rem;
    font-size: 0.9rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.tech-stack img {
    width: 20px;
    height: 20px;
}

/* ===== CALL TO ACTION (Work Button) ===== */
.cta-work {
    text-align: center;
    margin: 2rem 0;
    padding-top: 1.5rem;
    border-top: 1px solid #ddd;
}

/* ===== ACCESSIBILITY ===== */
.skip-link {
    position: absolute;
    left: -9999px;
    top: auto;
}

.skip-link:focus {
    left: 16px;
    top: 16px;
    background: #000;
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    z-index: 1000;
}

/* ===== PROJECT CARDS ===== */
.project-list,
.grid.cards {
  list-style: none;                 
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: 1rem;             
}

/* Card container */
.card {
  background: #fff;
  border: 1px solid #e6e6e6;
  border-radius: 12px;
  padding: 1.5rem;
  text-align: left;
  box-shadow: 0 3px 8px rgba(0,0,0,0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0,0,0,0.08);
}
.card:focus-within {
  outline: 2px solid #ff6600;
  outline-offset: 2px;
}

.card h3 {
  margin: 0 0 0.4rem;
  color: #222;
  line-height: 1.25;
}
.card p {
  margin: 0 0 0.6rem;
  color: #555;
  line-height: 1.5;
}
.card .meta {
  font-size: 0.9rem;
  color: #777;
}

.card .actions {
  margin-top: 0.75rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;                  
}

.card .btn-sm {
  background: #ff6600;
  color: #fff;
  padding: 8px 12px;
  font-size: 0.85rem;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.3s ease;
}
.card .btn-sm:hover {
  background: #cc5500;
}

@media (prefers-reduced-motion: no-preference) {
    .card:hover {
        transform: translateY(-4px);
        box-shadow: 0 6px 12px rgba(0,0,0,0.08);
    }
    .btn:hover {
        transform: translateY(-1px);
    }
}

/* ===== RESPONSIVE TWEAKS ===== */
@media (max-width: 760px) {
    header {
        padding: 0.75rem 1rem;
    }

    .brand {
        font-size: 1.25rem;
    }

    nav ul {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero {
        padding: 72px 16px;
    }
}

/* === Code & Table Blocks === */

/* Pre/code blocks (light mode) */
pre {
  background: #f9f9f9;
  border: 1px solid #eee;
  border-radius: 6px;
  padding: .75rem 1rem;
  overflow-x: auto;
  font-size: .9rem;
  line-height: 1.4;
  margin: 1rem 0;
}

pre code {
  font-family: Consolas, Monaco, 'Courier New', monospace;
  color: #333;
}

/* Pre/code blocks (dark mode) */
body.dark-mode pre {
  background: #1b1b1b;
  color: #e6e6e6;
  border: 1px solid #2b2b2b;
}
body.dark-mode pre code {
  color: #e6e6e6;
}

/* API Summary tables */
table.meta {
  border-collapse: collapse;
  margin: 1rem 0;
  width: 100%;
  font-size: .9rem;
}

table.meta th,
table.meta td {
  border: 1px solid #eee;
  padding: .5rem .75rem;
  text-align: left;
}

table.meta th {
  background: #f7f7f7;
  font-weight: 600;
}

/* API tables (dark mode) */
body.dark-mode table.meta th,
body.dark-mode table.meta td {
  border-color: #2b2b2b;
}
body.dark-mode table.meta th {
  background: #222;
}

/* ===== SCREENSHOT GALLERY ===== */
.gallery {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.gallery li {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0,0,0,.06);
  overflow: hidden;
}

.gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;      
  object-fit: cover;    
  display: block;
}

body.inventory-page .gallery img {
    object-fit: contain;
    background: #fafafa;
}

.gallery .cap {
  margin: 0;
  padding: .5rem .75rem;
  font-size: .9rem;
  color: #555;
  text-align: center;
  width: 100%;
  background: #f7f7f7;
  border-top: 1px solid #eee;
}

/* Responsive: tablets & phones */
@media (max-width: 900px) {
  .gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .gallery {
    grid-template-columns: 1fr;
  }
}

/* ===== PROJECT PAGE SPACING ===== */
body.project-page main section {
    padding: 30px 20px;
}

body.project-page main h2 {
    margin-top: 0;
    margin-bottom: 1rem;
}

body.project-page main p,
body.project-page main ul {
    margin-bottom: 1rem;
}

/* ===== DARK MODE (body.dark-mode) ===== */

/* === Base === */
body.dark-mode {
  background: #121212;
  color: #e6e6e6;
}

/* === Headings === */
body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3,
body.dark-mode h4,
body.dark-mode h5,
body.dark-mode h6 {
  color: #f0f0f0;
}

/* === Header & Navigation === */
body.dark-mode header {
  background: #1b1b1b;
  color: #e6e6e6;
}
body.dark-mode nav a { color: #d0d0d0; }
body.dark-mode nav a:hover,
body.dark-mode nav a[aria-current="page"] {
  color: #ff7a1a;
  text-decoration-color: #ff7a1a;
}

/* === Hero Section === */
body.dark-mode .hero {
  background: linear-gradient(135deg, #161616, #262626);
  color: #f0f0f0;
}

/* === Footer === */
body.dark-mode footer {
  background: #1b1b1b;
  color: #cfcfcf;
  border-top-color: #2a2a2a;
}

/* === Buttons === */
body.dark-mode .btn,
body.dark-mode .card .btn-sm {
  background: #ff7a1a;
  color: #fff;
  border-color: transparent;
}
body.dark-mode .btn:hover,
body.dark-mode .card .btn-sm:hover {
  background: #e36910;
}
/* Ghost buttons */
body.dark-mode .btn-ghost {
  color: #e6e6e6;
  border-color: #333;
}
body.dark-mode .btn-ghost:hover {
  color: #ff7a1a;
  border-color: #ff7a1a;
}

/* === Cards (Project Tiles) === */
body.dark-mode .card {
  background: #1a1a1a;
  border-color: #2b2b2b;
  box-shadow: 0 4px 12px rgba(0,0,0,0.45);
}
body.dark-mode .card h3 { color: #fafafa; }
body.dark-mode .card p { color: #cfcfcf; }
body.dark-mode .card .meta { color: #a6a6a6; }

/* === Tech Stack Chips === */
body.dark-mode .tech-stack {
  border-top-color: #2b2b2b;
}
body.dark-mode .tech-stack li {
  background: #1a1a1a;
  border-color: #2b2b2b;
  box-shadow: 0 2px 6px rgba(0,0,0,0.35);
  color: #dcdcdc;
}

/* === Screenshot Gallery === */
body.dark-mode .gallery li {
  background: #1a1a1a;
  box-shadow: 0 2px 12px rgba(0,0,0,0.4);
}
body.dark-mode .gallery .cap {
  background: #202020;
  color: #cfcfcf;
  border-top-color: #2b2b2b;
}

/* === About Page === */
body.dark-mode .about { background: #121212; }
body.dark-mode .about-text h2 { color: #f3f3f3; }
body.dark-mode .about-text p  { color: #d1d1d1; }
body.dark-mode .profile-pic { border-color: #ff7a1a; }

/* === Contact Page (optional if using contact-page body class) === */
body.dark-mode.contact-page h2 { color: #f3f3f3; }
body.dark-mode.contact-page p  { color: #d1d1d1; }
body.dark-mode hr { border-color: #2b2b2b; }

/* === Links & Focus States === */
body.dark-mode a { color: #ff9a4d; }
body.dark-mode a:hover { color: #ff7a1a; }
body.dark-mode .btn:focus,
body.dark-mode nav a:focus {
  outline-color: #e6e6e6;
}
body.dark-mode .btn:focus-visible,
body.dark-mode nav a:focus-visible {
  outline-color: #ff7a1a;
}

/* === Borders & Dividers === */
body.dark-mode .tech-stack,
body.dark-mode .cta-work {
  border-top-color: #2b2b2b;
}