/* ---------- RESET ---------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

/* ---------- BODY ---------- */
body {
    background: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

/* ---------- HEADER ---------- */
header {
    text-align: center;
    padding: 50px 20px 30px 20px;
    background: linear-gradient(to right, #ffec99, #ffe066);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: #333;
    text-decoration: underline;
}

header p {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

/* ---------- HEADER IMAGE ---------- */
header .image img {
    width: 260px; /* slightly bigger */
    margin: 20px auto;
    display: block;
    border-radius: 12px;
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

/* ---------- LOGIN / SIGNUP BUTTONS ---------- */
header .sign-up.or.login {
    margin-top: 15px;
}

header .sign-up.or.login a {
    text-decoration: none;
    margin: 0 10px;
}

header .sign-up.or.login button {
    padding: 12px 25px;
    font-size: 1rem;
    font-weight: bold;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    background-color: orange;
    color: white;
    transition: 0.3s;
}

header .sign-up.or.login button:hover {
    background-color: darkorange;
}
/* ---------- AI TUTOR SECTION ---------- */
.ai-tutor {
  margin: 3rem auto;
  padding: 2.5rem 2rem;
  max-width: 700px;
  background: #0f172a; /* dark indigo */
  border-radius: 16px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.ai-tutor h2 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  color: #e5e7eb;
}

.ai-tutor p {
  font-size: 1rem;
  color: #cbd5f5;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.ai-button {
  display: inline-block;
  padding: 0.9rem 2.2rem;
  font-size: 1rem;
  font-weight: 600;
  color: #0f172a;
  background: #a5b4fc; /* soft violet */
  border-radius: 999px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ai-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(165, 180, 252, 0.4);
}

.ai-button:active {
  transform: translateY(0);
  box-shadow: none;
}


/* ---------- SECTIONS ---------- */
section {
    padding: 40px 20px;
    margin: 20px auto;
    border-top: 4px solid #333; /* line separating sections */
    border-bottom: 4px solid #333;
    max-width: 1200px;
    border-radius: 12px;
}

/* Individual section colors */
.why-choose-us {
    background-color: #c6f6d5; /* light green */
}

.who-what {
    background-color: #fbd38d; /* light orange */
}

 .what-learn{
    background-color: #f490ec; /* light blue */
}

/* ---------- SECTION HEADINGS ---------- */
section h2 {
    text-align: center;
    margin-bottom: 15px;
    color: #333;
    text-decoration: underline;
}

section h3, section h4 {
    text-align: center;
    margin-bottom: 15px;
    color: #555;
}

/* ---------- FEATURES / USES ---------- */
.uses {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 25px;
    margin: 20px auto;
}

.uses div {
    background-color: #fff3f3;
    border: 2px solid #ccc;
    border-radius: 12px;
    padding: 20px;
    width: 280px;
    text-align: center;
    box-shadow: 0 6px 12px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.uses div:hover {
    transform: translateY(-5px);
}

.uses div img {
    width: 80px;
    margin-bottom: 15px;
    border-radius: 8px;
}

/* ---------- LISTS ---------- */
ul {
    margin: 10px auto 20px auto;
    padding-left: 40px;
    max-width: 800px;
}

ul li {
    margin-bottom: 10px;
}

/* ---------- FOOTER ---------- */
footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 25px 20px;
    margin-top: 30px;
}

footer a {
    color: #ffd166;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

footer pre {
    color: #ffd166;
    text-align: left;
    margin: 10px auto;
    max-width: 800px;
}