/* ======RESET & BASICS===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #ede8d0;
  color: #2b1114;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
}

a {
  color: #2b1114;
}


/*======NAVIGATION MENU ========*/


/* back-to-portfolio bar */
header {
  width: 100%;
  padding: 12px 20px;
  background: #ede8d0;
  border-bottom: 1px solid #d8d0b4;
}
.back-to-site {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #2b1114;
  text-decoration: none;
  font-weight: bold;
  font-size: 0.95rem;
}
.back-to-site:hover {
  color: #ca3504;
}
nav ul.menu {
  list-style: none;
  display: flex;
  justify-content: center;
  background: #ca3504;
}

nav ul.menu li {
  position: relative;
}

nav a {
  display: block;
  color: white;
  padding: 14px 16px;
  text-decoration: none;
  transition: background-color 0.3s;
}

nav a:hover {
  background-color: #d39a1c;
}

/* Icon + text only for the Accueil link */
nav a.nav-home {
  display: inline-flex; 
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  width: 100%; 
}

nav a.nav-home .nav-icon {
  width: 1em;
  height: 1em;
  fill: currentColor; 
  opacity: 0.95;
  transform: translateY(-1px); /
}

.submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: rgba(202, 53, 4, 0.85);
  border-radius: 0 0 8px 8px;
  min-width: 180px;
  list-style: none;
}

.has-submenu:hover .submenu {
  display: block;
}

.submenu a {
  padding: 10px 16px;
  white-space: nowrap;
}

.submenu-toggle {
  display: block;
  color: white;
  padding: 14px 16px;
  text-decoration: none;
  cursor: pointer;
  background: inherit;
  transition: background-color 0.3s;
}

.submenu-toggle:hover {
  background-color: #d39a1c;
}

.main-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  gap: 10px;
}

/* ==========the (house + icons) container================ */
.container {
  display: flex;
  justify-content: center;
  width: 100%;
}

/* INTRO text */
.intro-text {
  width: 100%;
  align-items: center;
  max-width: 900px;
  background: #ede8d0;
  padding: 25px 40px;
  text-align: justify;
  line-height: 1.6;
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.intro-text h2 {
  margin-bottom: 12px;
  font-size: 1.5rem;
  font-weight: bold;
}

/* --- HOUSE CONTAINER --- */
.house {
  position: relative;
  width: 900px;
  margin: 0 auto;
  background: #ede8d0;
  border-radius: 30px;
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 5px;
}

/* --- ICONS --- */
.icon {
  position: absolute;
  cursor: pointer;
  transition: transform 0.3s;
  z-index: 10;
}

.icon:hover {
  transform: scale(1.2);
}

/* --- ICON SIZES --- */
#fridge {
  width: 13%;
}
#power {
  width: 3%;
}
#shower {
  width: 12%;
}
#kettle {
  width: 7%;
}
#lamp1,
#lamp2 {
  width: 12%;
}
#fox {
  width: 8%;
}
#maltt {
  width: 11%;
}
#tecfa {
  width: 15%;
}

/* --- ICON POSITIONS (I have to adjust the position manually by changing the %) --- */
#lamp1 {
  top: 44%;
  left: 40%;
}
#lamp2 {
  top: 26%;
  left: 47%;
}
#fridge {
  top: 47%;
  left: 50%;
}
#power {
  top: 28%;
  left: 56%;
}
#shower {
  top: 24%;
  left: 60%;
}
#kettle {
  top: 50%;
  left: 62%;
}
#fox {
  top: 27%;
  left: 39%;
}
#maltt {
  top: 59%;
  left: 40%;
}
#tecfa {
  top: 36%;
  left: 10%;
}

/* --- POPUP INFO BOX --- */
#infoBox {
  display: none;
  position: fixed;
  top: 82%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 400px;
  padding: 20px;
  background-color: #f0f0f0;

  border-radius: 15px;
  z-index: 100;
  font-size: 1rem;
  line-height: 1.4;
  text-align: left;
  color: #2b1114;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* Close button for popup */
#infoBox .close-btn {
  position: absolute;
  top: 8px;
  right: 12px;
  cursor: pointer;
  font-weight: bold;
  font-size: 1.2rem;
  color: #ca3504;
}

/* buttons*/
.buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  text-align: center;
  flex-direction: row;
  gap: 15px;
  margin-top: 0;
  margin-bottom: 40px;
}

.buttons button {
  padding: 15px 15px;
  font-size: 1rem;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: background 0.3s;
}

button {
  background-color: #ca3504;
  color: white;
  border: none;
  font-size: 1.1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #d39a1c;
}

/* --- POPUP boxes from the buttons--- */
.pop-up {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  justify-content: center;
  align-items: center;
}

.pop-up-content {
  background-color: #c5ba9a;
  padding: 30px 40px;
  border-radius: 12px;
  max-width: 700px;
  margin: 20px;
  text-align: justify;
  line-height: 1.6;
  color: #2b1114;
  position: relative;
}

.pop-up-content a {
  color: #2b1114;
  text-decoration: underline;
}

.close-btn {
  position: absolute;
  top: 8px;
  right: 12px;
  cursor: pointer;
  font-size: 1.5rem;
  color: #ca3504;
  font-weight: bold;
}

/* =============== ENERGY CONSUMPTION BOX ============= */
.consumption-box {
  background: #c5ba9a;
  padding: 25px 35px;
  margin-top: 10px;
  border-radius: 12px;
  max-width: 900px;
  width: 100%;
  margin: 30px auto;
  text-align: center;
  line-height: 1.6;
  color: #2b1114;
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
}

.consumption-box select,
.consumption-box button {
  margin-top: 10px;
  padding: 10px;
  font-size: 1rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
}

.consumption-box button:hover {
  background-color: #d39a1c;
}

#result {
  margin-top: 12px;
  font-weight: bold;
}

/* ========= FOOTER ===========*/
footer {
  width: 100%;
  align-self: stretch;
  text-align: center;
  background: #c5ba9a;
  padding: 20px;
  margin-top: auto;
}

footer a {
  color: #2b1114;
  text-decoration: underline;
  transition: color 0.3s;
}

/* ========== RESPONSIVE ===========*/
@media (max-width: 950px) {
  .house {
    width: 700px;
  }
}

@media (max-width: 800px) {
  .house {
    width: 500px;
  }
}

@media (max-width: 600px) {
  .house {
    width: 350px;
  }

  .submenu {
    position: static;
    background: rgba(202, 53, 4, 0.95);
    width: 100%;
    text-align: center;
    padding: 10px 0;
  }
  .submenu a {
    padding: 18px;
    font-size: 1.1em;
  }

  .has-submenu > .submenu-toggle::after {
    content: " ▾";
    font-size: 1.2em;
  }
}