/* =========================
   COLORS & FONTS
   ========================= */
:root {
  --dark-bg: #1a1a1a;
  --text-light: #e1e09a;
  --accent-magenta: #9c27b0;
  --accent-cyan: #00bcd4;
  --accent-orange: #ff9800;
  --accent-red: #e53935;
  --accent-yellow: #ffeb3b;
  --accent-green: #4caf50;
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Montserrat', sans-serif;
  --header-height: 120px; /* fallback */
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--dark-bg);
  color: var(--text-light);
  line-height: 1.6;

  padding-top: var(--header-height);
}

/* =========================
   HEADER
   ========================= */
.site-header {
  background: url("assets/bg-pattern-gray.png") repeat;
  background-color: #1a1a1a; /* fallback */
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  z-index: 1000;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  box-sizing: border-box;
}

.logo {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-dog {
  height: 80px;
}

.logo h1 {
  font-size: 2rem;
  color: var(--text-light);
}
.logo span {
  font-size: .8rem;
  display: block;
  color: #ff9800;
}

/* =========================
   DESKTOP NAVIGATION BUTTONS
   ========================= */
nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
  margin: 0;
  padding: 0 1.5rem;
  align-items: center;
}

/* Base nav button (PNG) */
.nav-btn {
  display: block;
  width: 120px;
  height: 40px;
  background-size: contain;
  background-repeat: no-repeat;
  text-indent: -9999px;
}

/* PNG buttons */
.nav-about { background-image: url("assets/about-default.png"); }
.nav-about:hover { background-image: url("assets/about-colored.png"); }

.nav-mictlan { background-image: url("assets/mictlan-default.png"); }
.nav-mictlan:hover { background-image: url("assets/mictlan-colored.png"); }

.nav-projects { background-image: url("assets/projects-default.png"); }
.nav-projects:hover { background-image: url("assets/projects-colored.png"); }

.nav-contact { background-image: url("assets/contact-default.png"); }
.nav-contact:hover { background-image: url("assets/contact-colored.png"); }

/* =========================
   HAMBURGER MENU (MOBILE)
   ========================= */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  cursor: pointer;
}

.hamburger span {
  display: block;
  height: 3px;
  background: var(--text-light);
  border-radius: 2px;
}

/* Mobile menu (hidden by default) */
.mobile-menu {
  display: none;
  flex-direction: column;
  background: #111;
  padding: 1rem;
  position: absolute;
  top: var(--header-height);
  right: 0;
  width: 200px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.6);
}

.mobile-menu a {
  color: var(--text-light);
  font-weight: bold;
  text-decoration: none;
  margin: 0.5rem 0;
  padding: 0.5rem;
  border-radius: 6px;
  transition: 0.3s;
}

/* colored text links */
.mobile-menu .nav-about { color: var(--accent-magenta); background: none; text-indent: 0; }
.mobile-menu .nav-mictlan { color: var(--accent-orange); background: none; text-indent: 0; }
.mobile-menu .nav-projects { color: var(--accent-green); background: none; text-indent: 0; }
.mobile-menu .nav-contact { color: #2196f3; background: none; text-indent: 0; }

.mobile-menu a:hover {
  background: rgba(255,255,255,0.1);
}

/* =========================
   SECTIONS
   ========================= */
.section {
  padding: 4rem 2rem;
  text-align: center;
  background-size: auto;
  scroll-margin-top: calc(var(--header-height) + 8px);
}

h2 {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

/* -------------------------
   BACKGROUND PATTERNS
   ------------------------- */
.about-section {
  background: url("assets/bg-pattern-purple.png") repeat;
  background-color: #4a145e;
  color: var(--text-light);
}

.mictlan-section {
  background: url("assets/bg-pattern-orange.png") repeat;
  background-color: #6f3400;
  color: var(--text-light);
}

.projects-section {
  background: url("assets/bg-pattern-gray.png") repeat;
  background-color: #1a1a1a;
}

.contact-section {
  background: url("assets/bg-pattern-gray.png") repeat;
  background-color: #1a1a1a;
  padding: 4rem 2rem;
  color: var(--text-light);
}

/* =========================
   DECOR
   ========================= */
.decor-divider img,
.decor-flower img {
  max-width: 90px;
  margin: 2rem auto;
  display: block;
}

/* =========================
   PROJECT CARDS
   ========================= */
.projects-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.project-card {
  background: #111;
  padding: 1.5rem;
  border-radius: 10px;
  color: var(--text-light);
  border: 2px solid transparent;
  transition: 0.3s;
}

.project-card:hover {
  transform: translateY(-5px);
}

.accent-magenta { border-color: var(--accent-magenta); }
.accent-cyan { border-color: var(--accent-cyan); }
.accent-orange { border-color: var(--accent-orange); }
.accent-red { border-color: var(--accent-red); }
.accent-yellow { border-color: var(--accent-yellow); }
.accent-green { border-color: var(--accent-green); }

/* =========================
   CONTACT
   ========================= */
.contact-section a {
  color: var(--accent-magenta);
  font-weight: bold;
  text-decoration: none;
}
.contact-section a:hover {
  color: var(--accent-orange);
  text-shadow: 0 0 6px var(--accent-orange);
}

/* =========================
   FOOTER
   ========================= */
footer {
  background: #000;
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
}

/* =========================
   RESPONSIVE
   ========================= */
@media (max-width: 768px) {
  /* hide PNG nav buttons */
  nav ul { display: none; }

  /* show hamburger */
  .hamburger { display: flex; }

  /* show mobile menu when active */
  .mobile-menu.active { display: flex; }

  .logo-dog { height: 64px; }
  .logo h1 { font-size: 1.6rem; }
  h2 { font-size: 1.8rem; }
}

@media (max-width: 480px) {
  .site-header {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
  }
  h2 { font-size: 1.6rem; }
}

/* Contact Section Styling */
.contact-method {
  margin: 2rem 0;
}

.contact-method h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.contact-box {
  background: rgba(0, 0, 0, 0.7);
  border-radius: 8px;
  padding: 0.8rem 1rem;
  display: inline-flex;
  align-items: center;
  gap: 1rem;
}

.contact-box span {
  font-family: monospace;
  font-size: 1rem;
  color: var(--text-light);
}

.copy-btn {
  background: #000;
  color: var(--text-light);
  border: 1px solid #444;
  border-radius: 6px;
  padding: 0.3rem 0.8rem;
  cursor: pointer;
  font-size: 0.9rem;
  transition: 0.2s;
}

.copy-btn:hover {
  background: var(--accent-orange);
  color: #000;
}

/* Particles */
.particle {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  pointer-events: none;
  animation: fly 600ms ease-out forwards;
}

@keyframes fly {
  from {
    opacity: 1;
    transform: translate(0, 0) scale(1);
  }
  to {
    opacity: 0;
    transform: translate(var(--dx), var(--dy)) scale(0.5);
  }
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: rgba(0, 0, 0, 0.7);
  border: 2px solid var(--text-light);
  color: var(--text-light);
  font-size: 1.4rem;
  padding: 0.6rem 1rem;
  border-radius: 50%;
  cursor: pointer;
  transition: opacity 0.3s ease, visibility 0.3s ease, background 0.3s ease;
  opacity: 0;
  visibility: hidden;
  z-index: 1100;
}

.back-to-top:hover {
  background: var(--accent-orange);
  color: #000;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

/* =========================
   ABOUT ME SECTION HYPERLINKS
   ========================= */
.about-section a,
.about-section a:visited {
  color: var(--accent-orange);
  font-weight: bold;
  text-decoration: none;
}

.about-section a:hover {
  text-shadow: 0 0 6px var(--accent-orange);
}