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

/* ==================== HERO SECTION ==================== */
.hero {
    display: grid;
    background: linear-gradient(135deg, var(--primary) 0%, #2c3e50 100%);
    color: white;
    padding: 6rem 2rem;
    text-align: center;
    gap: 1rem;
}

.hero h1 {
    font-size: 3rem;
    color: var(--secondary);
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.hero a {
    display: grid;
    justify-self: center;
}

/* ==================== SECTIONS ==================== */
section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary);
    text-align: center;
}

.section-subtitle {
    text-align: center;
    color: var(--gray);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

/* ==================== SERVICES ==================== */
.services-grid {
    display: grid;
    grid-template-columns: auto auto auto auto;
    gap: 1.5rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    border-top: 3px solid var(--secondary);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.15);
}

.service-icon {
    text-align: center;
    font-size: 3rem;
    color: var(--secondary);
    margin-bottom: 1rem;
}

.service-card h3 {
    color: var(--primary);
    font-size: 1.5rem;
}

/* ==================== REALISATIONS ==================== */
#realisations {
    background: var(--light);
}

#realisations .container {
    display: grid;
    gap: 1rem;
}

#realisations .container .button-div{
    justify-self: center;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 2rem;
  color: #222;
}

.realisation-card:hover {
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
  transform: translateY(-3px);
}

.realisation-card {
  background-color: #fff;
  padding: 1.5rem;
  border-radius: 0.75rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.3s ease, transform 0.2s ease;
}

.realisation-image {
  width: 100%;
  height: 16rem;
  object-fit: cover;
  border-radius: 1rem;
  margin-bottom: 1rem;
}

#realisations .container .realisations-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    text-align: center;
}


/* ==================== ABOUT ==================== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text ul {
    list-style: none;
    margin-top: 1.5rem;
}

.about-text li {
    padding: 0.5rem 0;
    padding-left: 2rem;
    position: relative;
}

.about-text li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: bold;
    font-size: 1.2rem;
}

.about-image {
    height: 400px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 6rem;
}

.about-image img{
    height: 100%;
    border-radius: 8px;
}

/* ==================== CONTACT ==================== */
#contact {
    background: var(--light);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.info-icon {
    font-size: 1.5rem;
    color: var(--secondary);
    min-width: 30px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--primary);
}

.form-group input,
.form-group textarea {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form_error {
    color: red;
    font-weight: lighter;
    font-size: smaller;
}

/* ==================== BUTTONS ==================== */
.button {
    display: inline-block;
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: all 0.3s;
    cursor: pointer;
}

.button:hover {
    background: transparent;
}

.cta-button {
    background: var(--secondary);
    color: var(--primary);
    border: 2px solid var(--secondary);
}

.cta-button:hover {
    color: var(--secondary);
}

.cta-2-button {
    color: var(--secondary);
    border: 2px solid var(--secondary);
}

.cta-2-button:hover {
    color: var(--primary);
    background: var(--secondary);
    border: 2px solid var(--primary);
}

.see-more-button {
    background: var(--primary);
    color: white;
}

.see-more-button:hover {
    background: var(--secondary);
    color: var(--primary);
}

.submit-button {
    background: var(--primary);
    color: white;
}

.submit-button:hover {
    background: var(--secondary);
    color: var(--primary);
}

/* ==================== RESPONSIVE ==================== */

@media (min-width: 1024px) {

  .realisations-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .services-grid,
    .about-content,
    .contact-container,
    #realisations .container .realisations-grid {
        grid-template-columns: 1fr;
    }

    .about-image {
        height: 250px;
    }

    h2 {
        font-size: 2rem;
    }
}