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

/* DEFAULT THEME (LIGHT) */
:root {
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #222;
  --accent: #ff6a00;
  --topbar: linear-gradient(90deg, #ff6a00, #ff8c1a);
}

/* THEMES */
body.dark {
  --bg: #0f0f0f;
  --card: #1c1c1c;
  --text: #fff;
  --topbar: linear-gradient(90deg, #b34700, #ff6a00);
}

body.brown {
  --bg: #1b1410;
  --card: #2a1d16;
  --text: #f5e6d8;
  --topbar: linear-gradient(90deg, #6b3e26, #a05a2c);
}

body.green {
  --bg: #0f1f14;
  --card: #1a2b1f;
  --text: #e6fff0;
  --topbar: linear-gradient(90deg, #1f6f3f, #2ecc71);
}

/* BODY */
body {
  background: var(--bg);
  color: var(--text);
  transition: 0.4s ease;
}

/* TOP BAR */
.top-bar {
  display: flex;
  justify-content: space-between;
  padding: 10px 20px;
  background: var(--topbar);
  color: white;
  font-size: 14px;
}

.top-bar select {
  padding: 5px 8px;
  border-radius: 6px;
  border: none;
  outline: none;
}

/* NAVBAR */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 30px;
  background: var(--card);
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
}

/* LOGO */
.logo {
  font-size: 24px;
  font-weight: bold;
}

.logo span {
  color: var(--accent);
  text-shadow: 0 0 10px rgba(255,106,0,0.4);
}

/* NAV LINKS */
.nav-links {
  display: flex;
  list-style: none;
  gap: 28px;
  align-items: center;
}

.nav-links li {
  transition: 0.3s;
}

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

/* HOVER EFFECT */
.nav-links a:hover {
  color: var(--accent);
  text-shadow: 0 0 8px rgba(255,106,0,0.4);
}

/* LOGIN BUTTON */
.login-btn {
  padding: 6px 14px;
  border: 1px solid var(--accent);
  border-radius: 20px;
  color: var(--accent) !important;
}

.login-btn:hover {
  background: var(--accent);
  color: #fff !important;
  box-shadow: 0 0 12px rgba(255,106,0,0.5);
}

/* HAMBURGER */
.menu-toggle {
  display: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--accent);
}

/* MOBILE MENU */
@media (max-width: 900px) {

  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 120px;
    right: 0;
    width: 100%;
    background: var(--card);
    flex-direction: column;
    gap: 18px;
    padding: 20px 0;

    /* ANIMATION */
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-15px);
    transition: all 0.4s ease;
  }

  .nav-links.active {
    max-height: 500px;
    opacity: 1;
    transform: translateY(0);
  }

  .nav-links li {
    padding: 10px 0;
    font-size: 16px;
  }
}


/* hero section */
/* HERO SECTION */
.about-hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 8%;
  position: relative;

  /* BACKGROUND IMAGE */
  background: url("images/statue.jpg");
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

/* BLACK BLUR OVERLAY */
.about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(6px);
  z-index: 1;
}

/* ORANGE GLOW EFFECT */
.about-hero::after {
  content: "";
  position: absolute;
  width: 500px;
  height: 500px;
  background: #ff6a00;
  filter: blur(140px);
  opacity: 0.25;
  top: -100px;
  left: -100px;
  z-index: 1;
}

/* CONTENT */
.about-hero .content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  color: white;
}

/* TITLE */
.about-hero h1 {
  font-size: 52px;
  color: #ff6a00;
  margin-bottom: 20px;
  animation: fadeUp 1s ease;
}

/* TEXT */
.about-hero p {
  font-size: 18px;
  line-height: 1.8;
  opacity: 0.9;
  margin-bottom: 12px;
}

/* HIGHLIGHT */
.about-hero .highlight {
  color: #ffb347;
  font-weight: 500;
}

/* BUTTON */
.about-hero button {
  margin-top: 20px;
  padding: 12px 28px;
  border: none;
  border-radius: 30px;
  background: #ff6a00;
  color: white;
  cursor: pointer;
  transition: 0.3s;
  box-shadow: 0 0 15px rgba(255,106,0,0.4);
}

.about-hero button:hover {
  transform: scale(1.05);
  box-shadow: 0 0 25px rgba(255,106,0,0.7);
}

/* ANIMATION */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .about-hero h1 {
    font-size: 34px;
  }

  .about-hero p {
    font-size: 15px;
  }
}

/* section 1 */