/* -------------------------------------
   GLOBAL STYLES — Light Mode Default
   ------------------------------------- */

:root {
  --bg: #ffffff;
  --text: #111111;
  --subtext: #555555;
  --card-bg: #f2f2f2;
  --border: #dddddd;
  --accent: #0a84ff;
  --nav-bg: rgba(255,255,255,0.75);
}

:root.dark {
  --bg: #0d0d0d;
  --text: #ffffff;
  --subtext: #c7c7c7;
  --card-bg: #1a1a1a;
  --border: #333333;
  --nav-bg: rgba(15,15,15,0.8);
}

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: "Inter", sans-serif;
}

body {
  background: var(--bg);
  color: var(--text);
  transition: 0.3s ease;
}

/* NAVBAR ---------------------------------------------------- */

nav {
  width: 95%;
  margin: 25px auto;
  padding: 18px 28px;
  border-radius: 14px;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);

  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav .logo {
  font-size: 22px;
  font-weight: 700;
}

nav ul {
  display: flex;
  gap: 32px;
}

nav ul li {
  list-style: none;
}

nav ul li a {
  text-decoration: none;
  color: var(--text);
  font-size: 15px;
  transition: 0.3s;
}

nav ul li a:hover {
  color: var(--accent);
}

nav .social {
  display: flex;
  gap: 18px;
}

nav .social i {
  font-size: 18px;
  cursor: pointer;
  color: var(--text);
  transition: 0.3s;
}

nav .social i:hover {
  color: var(--accent);
}

.theme-toggle {
  cursor: pointer;
  font-size: 20px;
}

/* ----- MOBILE OVERLAY MENU ----- */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0,0,0,0.95);
    backdrop-filter: blur(10px);
    display: none; /* VERY IMPORTANT */
    flex-direction: column;
    padding: 40px 30px;
    z-index: 9999;
}

.mobile-menu.show {
    display: flex;
}

.mobile-menu a {
    color: white;
    font-size: 1.8rem;
    margin-bottom: 20px;
    text-decoration: none;
    font-weight: 600;
}

.mobile-menu .close-menu {
    font-size: 2.5rem;
    color: white;
    margin-bottom: 40px;
    cursor: pointer;
}


/* FOOTER ---------------------------------------------------- */

footer {
  margin-top: 80px;
  padding: 45px 0;
  text-align: center;
  border-top: 1px solid var(--border);
}

footer p {
  color: var(--subtext);
  margin-bottom: 12px;
}

footer .social {
  display: flex;
  justify-content: center;
  gap: 20px;
}

footer .social i {
  font-size: 20px;
  cursor: pointer;
  color: var(--text);
  transition: 0.3s;
}

footer .social i:hover {
  color: var(--accent);
}