/* assets/style.css */

/* ================= THEME VARIABLES ================= */
:root {
  --bg: #ffffff;
  --surface: #f6f7fb;
  --text: #222222;
  --muted: #6b6b6b;
  --accent: #007bff;
  --card-shadow: 0 10px 30px rgba(20, 20, 40, 0.07);

  /* Section background variants for light mode */
  --section-light-1: #fbfbfc;
  --section-light-2: #f5f7fa;

  /* card / panel background */
  --card-bg: #ffffff;

  /* CIRCUIT BOARD PATTERN (Light Mode) */
  --circuit-pattern: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10 10 L30 10 L30 30' fill='none' stroke='%23000000' stroke-width='1.5' stroke-opacity='0.2'/%3E%3Ccircle cx='10' cy='10' r='2' fill='%23000000' fill-opacity='0.2'/%3E%3Cpath d='M60 60 L80 60 L80 90' fill='none' stroke='%23000000' stroke-width='1.5' stroke-opacity='0.2'/%3E%3Ccircle cx='60' cy='60' r='2' fill='%23000000' fill-opacity='0.2'/%3E%3Cpath d='M90 10 L90 40 L70 40' fill='none' stroke='%23000000' stroke-width='1.5' stroke-opacity='0.2'/%3E%3Ccircle cx='90' cy='10' r='2' fill='%23000000' fill-opacity='0.2'/%3E%3C/svg%3E");
}

/* Dark theme overrides */
body.dark-mode {
  --bg: #0f1113;
  --surface: #141516;
  --text: #e6e6e6;
  --muted: #bfbfbf;
  --accent: #66aaff;
  --card-shadow: 0 14px 40px rgba(0, 0, 0, 0.35);

  --section-dark-1: #161718;
  --section-dark-2: #191a1b;

  --card-bg: #1f1f1f;

  /* CIRCUIT BOARD PATTERN (Dark Mode) */
  --circuit-pattern: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10 10 L30 10 L30 30' fill='none' stroke='%23ffffff' stroke-width='1.5' stroke-opacity='0.2'/%3E%3Ccircle cx='10' cy='10' r='2' fill='%23ffffff' fill-opacity='0.2'/%3E%3Cpath d='M60 60 L80 60 L80 90' fill='none' stroke='%23ffffff' stroke-width='1.5' stroke-opacity='0.2'/%3E%3Ccircle cx='60' cy='60' r='2' fill='%23ffffff' fill-opacity='0.2'/%3E%3Cpath d='M90 10 L90 40 L70 40' fill='none' stroke='%23ffffff' stroke-width='1.5' stroke-opacity='0.2'/%3E%3Ccircle cx='90' cy='10' r='2' fill='%23ffffff' fill-opacity='0.2'/%3E%3C/svg%3E");
}

/* ================= BASE ================= */
* { box-sizing: border-box }
html, body { height: 100% }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  background: var(--bg);
  color: var(--text);
  transition: background 300ms ease, color 300ms ease;
  line-height: 1.5;
}
a { color: var(--accent); text-decoration: none }
.section { padding: 3.5rem 1.25rem }

/* ================= ALTERNATING SECTION BACKGROUNDS ================= */
main > section:nth-of-type(odd) {
  background-color: var(--section-light-1);
  background-image: var(--circuit-pattern);
}
main > section:nth-of-type(even) {
  background-color: var(--section-light-2);
  background-image: var(--circuit-pattern);
}

body.dark-mode main > section:nth-of-type(odd) {
  background-color: var(--section-dark-1);
  background-image: var(--circuit-pattern);
}
body.dark-mode main > section:nth-of-type(even) {
  background-color: var(--section-dark-2);
  background-image: var(--circuit-pattern);
}

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

/* ================= HEADER ================= */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  position: sticky;
  top: 0;
  background: var(--surface);
  z-index: 9999;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.logo a { font-weight: 700; color: var(--text) }
.main-nav .nav-list {
  list-style: none;
  display: flex;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  align-items: center;
}

.main-nav .nav-list li { display: inline-block }

.main-nav a.nav-link {
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
  display: inline-block;
  color: var(--text);
}

.main-nav a.nav-link:hover {
  transform: translateY(-3px);
  transition: transform 180ms ease;
}

.nav-item { position: relative }

/* BUTTON */
.drop-btn {
  background: transparent;
  border: 0;
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  cursor: pointer;
  color: var(--text);
}

/* ================= FIXED DROPDOWN ================= */
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 180px;
  background: var(--card-bg);
  box-shadow: var(--card-shadow);
  border-radius: 8px;
  padding: 6px 0;
  z-index: 1000;
  pointer-events: auto;
}

.nav-item:hover .dropdown-menu,
.nav-item:focus-within .dropdown-menu {
  display: flex;
  flex-direction: column;
}

.dropdown-menu a {
  display: block;
  padding: 0.55rem 0.85rem;
  border-radius: 6px;
  color: var(--text);
}

.dropdown-menu a:hover {
  background: rgba(0, 0, 0, 0.04);
}

/* DARK TOGGLE */
.dark-toggle {
  background: transparent;
  border: 0;
  cursor: pointer;
  font-size: 1.1rem;
}

/* ================= HERO ================= */
.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.hero-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

/* === PROFILE PICTURE CONFIGURATION === */
.profile-pic {
  width: 280px; 
  height: 280px;
  border-radius: 50%;
  background-image: url('images/IMG-20250817-WA0002.jpg');
  background-position: 50% 20%;
  background-size: cover;
  background-repeat: no-repeat;
  background-color: #cccccc;
  box-shadow: var(--card-shadow);
  transition: transform 220ms ease, box-shadow 220ms ease;
  display: block;
  overflow: hidden; 
}

.profile-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 20%;
  border-radius: 50%;
}

.profile-pic:hover { transform: translateY(-6px) scale(1.03) }

.hero-right { max-width: 680px }
.lead { color: var(--muted); font-size: 1.05rem }

.cta {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  transition: transform 180ms ease;
}

.cta:hover { transform: translateY(-4px) }

/* ========================= SKILLS ========================= */
.skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.75rem;
}

.skill-chip {
  border: 0;
  padding: 0.6rem 1rem;
  border-radius: 999px;
  background: var(--surface);
  cursor: pointer;
  color: var(--text);
  font-weight: 600;
  transition: transform 180ms ease, box-shadow 180ms ease;
  box-shadow: 0 6px 18px rgba(20, 20, 40, 0.03);
}

.skill-chip:hover {
  transform: translateY(-6px) scale(1.03);
  box-shadow: var(--card-shadow);
}

/* Color overrides for chips... (Trimming for brevity, assume original logic here) */
.skills .skill-chip:nth-child(1) { background: linear-gradient(135deg, #ffdede, #ffb2b2); color: #2b2b2b; }
.skills .skill-chip:nth-child(2) { background: linear-gradient(135deg, #dceeff, #9fc8ff); color: #07233a; }
.skills .skill-chip:nth-child(3) { background: linear-gradient(135deg, #dfffe3, #9ff3c1); color: #073a1f; }
.skills .skill-chip:nth-child(4) { background: linear-gradient(135deg, #fff6d8, #ffe28a); color: #3b2f00; }
.skills .skill-chip:nth-child(5) { background: linear-gradient(135deg, #e8e1ff, #c5b8ff); color: #2b1f4d; }
.skills .skill-chip:nth-child(6) { background: linear-gradient(135deg, #ffd7c4, #ffbfa0); color: #3b1f0f; }
.skills .skill-chip:nth-child(7) { background: linear-gradient(135deg, #ffc5c5, #ff9494); color: #4a0d1d; }
.skills .skill-chip:nth-child(8) { background: linear-gradient(135deg, #a2d2ff, #80deea); color: #00363a; }
.skills .skill-chip:nth-child(9) { background: linear-gradient(135deg, #caffbf, #9bf6ff); color: #0f3d39; }
.skills .skill-chip:nth-child(10) { background: linear-gradient(135deg, #e2e8f0, #94a3b8); color: #1e293b; }
.skills .skill-chip:nth-child(11) { background: linear-gradient(135deg, #ddd6fe, #a78bfa); color: #2e1065; }

/* ================= CARDS GRID ================= */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 1rem;
}

@media (max-width: 1000px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .cards-grid { grid-template-columns: repeat(1, 1fr); }
}

.card {
  background: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.12);
}

.card-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.card-body { padding: 0.9rem }
.card-title { margin: 0 0 0.25rem 0; font-size: 1.05rem }
.card-sub { margin: 0; color: var(--muted); font-size: 0.9rem }

/* ================= DETAIL PAGES ================= */
.detail-page .detail-hero {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  padding: 2rem;
}

.detail-img-wrap { flex: 1 1 420px }

.detail-img {
  width: 100%;
  max-width: 900px; /* Default for certificates */
  border-radius: 8px;
  box-shadow: var(--card-shadow);
}

/* NEW: Specific override for Project Detail Page */
.detail-img.project-img-size {
  max-width: 600px;
}

.detail-content { flex: 1 1 360px }
.muted { color: var(--muted) }

.btn {
  display: inline-block;
  padding: 0.55rem 0.9rem;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid rgba(0, 0, 0, 0.04);
  margin-right: 0.5rem;
  margin-top: 1.5rem;
}

/* ================= FOOTER ================= */
footer {
  padding: 1.25rem;
  text-align: center;
  background: var(--surface);
  border-top: 1px solid rgba(0, 0, 0, 0.04);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
}

.footer-contacts a { margin: 0 0.4rem }