:root {
  --primary-color: #2C3E50; /* Slate Blue */
  --accent-color: #1ABC9C;  /* Teal */
  --text-color: #ffffff;    /* White */
  --bg-color: #f4f7f5;      /* Light Cool Gray */
  --font-secondary: 'Montserrat', sans-serif;
  --font-primary: 'Poppins', sans-serif;
}

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg-color);
  color: #333
}

header {
  background-color: var(--primary-color);
  min-height: clamp(40px, 6vw, 60px);
  display: flex;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 0 3.5rem;
}

.navbar ul {
  list-style-type: none;
  display: flex;
  align-items: center;
  font-size: clamp(16px, 1.4vw, 32px);
  gap: clamp(10px, 3vw, 30px);
  font-family: var(--font-secondary);
  font-weight: 700;
}

.navbar a {
  text-decoration: none;
  color: var(--text-color);
}

.logo {
  font-family: var(--font-primary);
  font-size: clamp(16px, 2.8vw, 32px);
  font-weight: bold;
  color: var(--text-color);
}

main {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.title {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: linear-gradient(90deg, #4A90E2, #FFD369);
  min-height: clamp(80px, 9vw, 200px);
}

.title h1 {
  font-size: clamp(3vw, 4.2em, 5vw);
  font-family: var(--font-primary);
  font-weight: 700;
  padding: 8vw 6vw 2vw 6vw;
  color: #1e1e1e;
  text-align: center;
}

.title p {
  text-align: center;
  font-family: var(--font-secondary);
  font-size: clamp(16px, 24px, 32px);
  color: #3c3c3c;
}

.title-button {
  background-color: var(--accent-color);
  border: 0;
  border-radius: 20px;
  padding: 1vw;
  font-family: var(--font-secondary);
  font-weight: 700;
  color: #1e1e1e;
  background: linear-gradient(-90deg, #4A90E2, #FFD369);
  margin: 2.5vw;
}

.progress-log {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(10px, 3.5vw, 40px);
  background-color: #ECF0F1; /* Slightly darker cool gray */
  padding: 5vw;
  width: 100%;
}

.day-group {
  display: flex;
  gap: clamp(20px, 3vw, 40px);
  flex-wrap: wrap;
  justify-content: start;
  width: 100%;
}

.day {
  width: 320px;
  height: 360px;
  background-color: var(--primary-color);
  padding: 2vw;
  flex-shrink: 0;
  border: 5px solid;
  border-image: linear-gradient(270deg, var(--primary-color), var(--accent-color)) 1;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 1vw, 30px);
  box-shadow: -5px 0 10px rgba(0, 0, 0, 0.15);
}

.day h3 {
  font-size: clamp(16px, 2vw, 32px);
  font-family: var(--font-primary);
  font-weight: 700;
  color: var(--text-color);
}

.progress-log h2 {
  font-size: clamp(16px, 3vw, 40px);
  font-family: var(--font-primary);
  color: #34495E; /* Dark Slate */
}

.day p {
  font-family: var(--font-secondary);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: #BDC3C7;
  /* We no longer need flex-grow here */
}

.card-footer {
  display: flex;
  flex-direction: column;
  justify-content: space-between; /* Pushes items to opposite ends */
  margin-top: auto; /* This pushes the footer to the bottom of the card! */
  gap: 0.5rem;
}

.day span {
  color: var(--accent-color);
  font-weight: 600;
  font-size: 0.9rem; /* Slightly smaller to ensure it fits */
  white-space: nowrap; /* Prevents the date from ever wrapping */
  /* We no longer need overflow-wrap */
}

.day a {
  text-decoration: none;
  color: var(--accent-color);
  font-weight: 600;
}

.about-section {
  width: 100%;
  padding: 5vw;
  background-color: var(--bg-color); /* Matches the main body background */
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.about-section h3 {
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-family: var(--font-primary);
  color: #34495E; /* Consistent with other section titles */
  text-align: center;
}

.about-text {
  flex: 1; /* Allows text to take up available space */
  font-family: var(--font-secondary);
  font-size: 1.1rem;
  line-height: 1.6;
}

.about-text p li {
  font-family: var(--font-secondary);
}

.about-text ul {
  list-style-position: inside;
  padding-left: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 1rem;
  list-style-type: none; /* remove default bullets */
}

.about-content {
  display: flex;
  align-items: center;
  gap: 3rem;
  max-width: 1200px; /* Prevents the section from becoming too wide */
}

.about-text ul li::before {
  content: '✤'; /* custom bullet */
  color: var(--accent-color);
  font-weight: bold;
  display: inline-block;
  width: 1.2em;
  margin-left: -1.2em;
}

.about-img {
  flex-basis: 45%; /* Defines the ideal size of the image container */
  min-width: 300px;
}

.about-img img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 5px 5px 20px rgba(0, 0, 0, 0.2);
}

.lang-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  width: 100%;
}

.lang-section h3 {
  font-size: 3rem;
  font-family: var(--font-primary);
}

.cards {
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 1.7rem;
  width: 100vw;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
  justify-content: center;
  background-color: var(--primary-color);
  padding: 0.2vw;
  height: 15vw;
  width: 12vw;
}

.card i {
  color: var(--accent-color)
}

.card p {
  color: white;
  font-family: var(--font-secondary);
  font-weight: 600;
}



@media (max-width: 768px) {
  .navbar {
    padding: 0 1.5rem;
    flex-direction: column;
    gap: 0.5rem;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
  }

  .navbar ul {
    font-size: 0.9rem; /* Smaller font for nav links on mobile */
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .day {
    width: 90%; /* Cards take up most of the screen width */
    height: auto; /* Height adjusts to content */
  }

  .about-content {
    flex-direction: column; /* Stacks the text and image vertically */
    gap: 2.5rem;
  }

  .about-text {
    font-size: 1rem;
    text-align: center;
  }

  .about-text ul {
    text-align: left;
    padding-left: 1rem; /* Adjust list padding for mobile */
  }
}