/* Lessons Page: Card Grid */
.lesson-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.lesson-list li {
  /* Allows the child 'a' to fill the height of the grid cell */
  display: flex;
}

.lesson-list a {
  display: flex;
  flex-direction: column;
  text-align: left;
  width: 100%;
  padding: 1.25rem;
  color: var(--text-color);
  background-color: var(--light-gray);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.04);
  text-decoration: none;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.lesson-list a:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.08);
  text-decoration: none;
}

.lesson-list a span:first-child {
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text-color);
  margin-bottom: 0.5rem;
}

.lesson-list a span:nth-child(2) {
  font-size: 0.9rem;
  color: var(--text-color-light);
  margin-bottom: 0.5rem;
}

.lesson-list a span:last-child {
  font-size: 1.2rem;
  letter-spacing: 0.1em;
}

/* About Page */
.about-section-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    align-items: center;
    text-align: left;
    margin-bottom: 3rem;
}

.about-image img {
    border-radius: 24px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    width: 100%;
}

.about-text h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.about-text p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

.philosophy-section {
    text-align: center;
    padding: 3rem 0;
    background-color: var(--light-gray);
}

.philosophy-section .container {
    max-width: 800px;
}

.philosophy-section h2 {
    font-size: 1.8rem;
}

.philosophy-section p {
    font-size: 1.1rem;
    line-height: 1.8;
}


/* Contact Page */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-info,
.contact-form-wrapper {
    text-align: left;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem; /* Gap between cards */
}

.contact-info h3,
.contact-form-wrapper h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--light-gray);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    transition: box-shadow 0.3s ease;
}
.contact-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.contact-card__icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.contact-card__info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-grow: 1;
    gap: 1rem;
    min-width: 0; /* Prevents overflow */
}
.contact-card__info div {
    min-width: 0; /* Prevents overflow */
}
.contact-card__info h4 {
    margin: 0 0 0.1rem;
    font-size: 0.85rem;
    color: var(--text-color-light);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.contact-card__info a {
    font-size: 1rem;
    word-break: break-all;
    color: var(--text-color);
    font-weight: 400;
}
.contact-card__info a:hover {
    color: var(--primary-color);
}
.copy-button {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-color-light);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    transition: background-color 0.2s ease, color 0.2s ease;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}
.copy-button:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}
.copy-feedback {
    position: absolute;
    bottom: 110%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--text-color);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    pointer-events: none;
}
.copy-button.copied .copy-feedback {
    opacity: 1;
    visibility: visible;
}

.contact-form-container {
    background-color: var(--light-gray);
    padding: 2.5rem;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    text-align: left;
}
.form-group {
    display: flex;
    flex-direction: column;
}

.form-group-full {
    grid-column: 1 / -1;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 24px;
    font-size: 1rem;
    font-family: inherit;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(255, 133, 162, 0.2);
}

.contact-form .btn {
    width: 100%;
    padding: 0.9rem;
    font-size: 1rem;
}

.error-message {
    color: var(--error-color);
    font-size: 0.85rem;
    margin-top: 0.25rem;
    min-height: 1.2em;
}
input.is-invalid, select.is-invalid {
    border-color: var(--error-color);
}

.success-message {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: var(--bg-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.95);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
}
.success-message.is-visible {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}
.success-message i {
    font-size: 3rem;
    color: var(--success-color);
    margin-bottom: 1rem;
}
.success-message h3 {
    font-size: 1.5rem;
}


/* Responsive */
@media (max-width: 992px) {
    .lesson-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .lesson-list {
        grid-template-columns: 1fr;
    }

    .about-section-grid {
        grid-template-columns: 1fr;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .contact-form-container {
        padding: 1.5rem;
    }
    .contact-form {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .contact-card__info {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    .copy-button {
        align-self: flex-end;
    }
}