/* ===========================
   UPDATED style.css
   - Uses CSS variables for themeability
   - Dark theme applied under [data-theme="dark"]
   - Second hero button uses .btn.secondary
   - Original layout & structure preserved
   =========================== */

/* ----- Theme variables (light default) ----- */
:root {
  --bg-gradient: linear-gradient(180deg, #f0fdfa 0%, #ffffff 60%);
  --text-color: #333333;
  --muted-text-color: #444444;
  --header-bg: #ffffffee;
  --header-border: #eaeaea;
  --accent-color: #f24b0b; /* orange */
  --link-color: #f24b0b;
  --button-primary-bg: #f24b0b;
  --button-primary-hover: #d43a00;
  --button-secondary-bg: #06a87c;
  --button-secondary-hover: #048965;
  --chat-bg: #f24b0b;
  --logo-text-color: #f24b0b;
  --hero-title-color: #007a52;
  --hero-paragraph-color: #444;
  --footer-icon-shadow: rgba(0,0,0,0.12);
  --image-drop-shadow: rgba(0,0,0,0.25);
}

/* ----- Dark theme (device-driven) ----- */
[data-theme="dark"] {
  --bg-gradient: linear-gradient(180deg, #f0fdfa 0%, #ffffff 60%);
  --text-color: #333333;
  --muted-text-color: #444444;
  --header-bg: #ffffffee;
  --header-border: #eaeaea;
  --accent-color: #f24b0b; /* orange */
  --link-color: #f24b0b;
  --button-primary-bg: #f24b0b;
  --button-primary-hover: #d43a00;
  --button-secondary-bg: #06a87c;
  --button-secondary-hover: #048965;
  --chat-bg: #f24b0b;
  --logo-text-color: #f24b0b;
  --hero-title-color: #007a52;
  --hero-paragraph-color: #444;
  --footer-icon-shadow: rgba(0,0,0,0.12);
  --image-drop-shadow: rgba(0,0,0,0.25);
}

/* ========== Base styles (use vars) ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  background: var(--bg-gradient);
  color: var(--text-color);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Remove horizontal overflow so page can expand */
html, body {
  overflow-x: hidden;
}

/* --- Header --- */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 50px 80px 30px 80px;
  background: var(--header-bg);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--header-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  animation: fadeDown 1s ease;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.logo-text {
  font-weight: bold;
  color: var(--logo-text-color);
  font-size: 28px;
  transition: transform 0.3s ease;
}
.logo-text:hover {
  transform: scale(1.05);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 50px;
}

nav ul li a {
  text-decoration: none;
  color: var(--link-color);
  font-weight: 600;
  font-size: 16px;
  position: relative;
  transition: color 0.3s ease;
}
nav ul li a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--accent-color);
  transition: width 0.3s ease;
}
nav ul li a:hover::after {
  width: 100%;
}

nav ul li a.contact {
  background: var(--button-secondary-bg);
  color: #fff;
  padding: 8px 18px;
  border-radius: 20px;
  transition: background 0.3s ease, transform 0.3s ease;
}
nav ul li a.contact:hover {
  background: var(--button-secondary-hover);
  transform: translateY(-2px);
}

/* --- Hero Section --- */
.hero {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 50px;
  padding: 20px 60px;
  animation: fadeIn 1.2s ease;
}

.hero-text {
  max-width: 500px;
  animation: slideLeft 1s ease;
}

.hero-text h1 {
  font-size: 64px;
  font-weight: 700;
  color: var(--hero-title-color);
  line-height: 1.2;
  font-family: 'Baloo 2', cursive;
}

.hero-text p {
  margin: 20px 0;
  color: var(--hero-paragraph-color);
  font-size: 16px;
  line-height: 1.5;
}

/* Primary button */
.hero-text .btn {
  display: inline-block;
  background: var(--button-primary-bg);
  color: #fff;
  padding: 12px 28px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s ease, transform 0.3s ease;
  margin-right: 10px;
}
.hero-text .btn:hover {
  background: var(--button-primary-hover);
  transform: scale(1.05);
}

/* Secondary button (explicit class .secondary) - brand green */
.hero-text .btn.secondary {
  background: var(--button-secondary-bg);
}
.hero-text .btn.secondary:hover {
  background: var(--button-secondary-hover);
  transform: scale(1.05);
}

.hero-image img {
  max-width: 500px;
  height: auto;
  animation: float 4s ease-in-out infinite;
  filter: drop-shadow(0 6px 18px var(--image-drop-shadow));
}

/* --- Mobile Hero Logo/Text --- */
.mobile-logo {
  display: none;
  align-items: center;
  gap: 8px;
  font-size: 32px;
  font-weight: bold;
  color: var(--accent-color);
}

.mobile-logo-img {
  width: 30px;
  height: 30px;
  border-radius: 6px;
}

.mobile-hero-title {
  display: none;
  font-size: 42px;
  font-weight: bold;
  color: var(--accent-color);
  text-align: center;
  animation: fadeIn 1s ease;
}

/* --- Footer --- */
footer {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 20px;
  padding: 20px 60px;
  animation: fadeUp 1s ease;
}

footer a img {
  width: 30px;
  height: 30px;
  transition: transform 0.3s ease;
  filter: drop-shadow(0 3px 8px var(--footer-icon-shadow));
}
footer a img:hover {
  transform: scale(1.2);
}

/* --- Chat Bubble --- */
.chat-bubble {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--chat-bg);
  width: 65px;
  height: 65px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: transform 0.3s ease;
  box-shadow: 0 4px 15px rgba(0,0,0,0.25);
  z-index: 2000;
}
.chat-bubble:hover {
  transform: scale(1.1);
}
.chat-bubble img {
  width: 32px;
  height: 32px;
}

/* --- Animations --- */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    text-align: center;
    gap: 30px;
  }
  .hero-image img {
    max-width: 90%;
  }
}

@media (max-width: 768px) {
  .mobile-logo {
    display: flex;
    justify-content: center;
    margin: 15px 0;
  }
}

@media (max-width: 600px) {
  header { display: none; }
  .hero-text h1 { display: none; }
  .mobile-hero-title { display: block; }
  .hero-text .btn {
    display: block;
    width: 100%;
    margin: 10px 0;
    text-align: center;
  }
  .hero-text p { font-size: 14px; }
}