body {
    font-family: 'Inter', sans-serif;
    font-size: 1.05rem;
    background-color: #FFF1E6;
    color: #2E2E2E;
    line-height: 1.7;
}

/* Headings */
h1, h2 {
    font-family: 'Playfair Display', serif;
    color: #0F4C5C;
}

h3, h4, h5 {
    font-family: 'Poppins', sans-serif;
    color: #E36414;
}

/* Navbar */
.navbar {
    background-color: #FFFFFF;
    border-bottom: 4px solid #E36414;
}

.navbar-brand {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
}

/* Hero Section */
.hero {
    background: linear-gradient(
        rgba(15,76,92,0.8),
        rgba(15,76,92,0.8)
    ), url('hero-placeholder.jpg') center/cover no-repeat;
    padding: 120px 20px;
}

.hero h1 {
    font-size: 3.2rem;
    color: #FFF1E6;
}

.hero p {
    color: #F4A261;
    font-size: 1.1rem;
}

/* Info Cards */
.info-card {
    background: white;
    border-left: 6px solid #E36414;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
}

.image-card {
  display: flex;
  align-items: center;      /* vertically aligns image with text */
  justify-content: center;
}

.image-card img {
  max-height: 220px;        /* adjust if your text is taller/shorter */
  width: auto;
  max-width: 100%;
  object-fit: contain;
  border-radius: 12px;
}


/* Highlight Boxes */
.highlight-box {
    background: #0F4C5C;
    color: #FFF1E6;
    padding: 25px;
    border-radius: 15px;
    margin: 30px 0;
}

.highlight-box strong {
    color: #F4A261;
}

/* Small Dense Text */
.dense-text {
    font-size: 1.05rem;
}

/* Section Dividers */
.section-divider {
    height: 5px;
    width: 80px;
    background-color: #E36414;
    margin: 20px auto;
}

/* Footer */
footer {
    background-color: #0F4C5C;
    color: #FFF1E6;
    padding: 15px;
}

/* Buttons */
.btn-accent {
    background-color: #E36414;
    color: white;
    border-radius: 30px;
    padding: 10px 25px;
}

.btn-accent:hover {
    background-color: #F4A261;
}

/* Timeline grid */
.timeline-wrapper {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2.5rem;
}

/* Timeline card */
.timeline-item {
    background: #FFF3E0;
    padding: 1.4rem;
    border-radius: 16px;
    border-top: 6px solid #FF7A00;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    cursor: pointer;
    transition: all 0.4s ease;
    position: relative;
}

/* Hover (non-expanded) */
.timeline-item:hover:not(.expanded) {
    transform: scale(1.05);
}

/* Expanded state */
.timeline-item.expanded {
    grid-column: 1 / -1; /* take full row */
    transform: scale(1);
    box-shadow: 0 18px 45px rgba(0,0,0,0.25);
    background: #FFE0B2;
    z-index: 3;
}

/* Text scaling */
.timeline-item.expanded .timeline-text {
    font-size: 1.05rem;
}

/* Year */
.timeline-year {
    font-weight: 700;
    color: #C2410C;
    margin-bottom: 0.5rem;
}

/* Hidden image container */
.timeline-image {
    margin-top: 1.2rem;
    display: none;
}

/* Reveal image when expanded */
.timeline-item.expanded .timeline-image {
    display: block;
}

/* Image styling */
.timeline-image img {
    width: 100%;
    border-radius: 12px;
    max-height: 300px;
    object-fit: cover;
}

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

@media (max-width: 576px) {
    .timeline-wrapper {
        grid-template-columns: 1fr;
    }
}

/* Expansion slot */
.timeline-expand-slot {
    margin: 2rem 0;
    padding: 2rem;
    background: #FFE0B2;
    border-radius: 18px;
    border-top: 6px solid #FF7A00;
    box-shadow: 0 20px 45px rgba(0,0,0,0.25);
}

/* Expanded content */
.expanded-content span {
    font-weight: 800;
    font-size: 1.3rem;
    color: #C2410C;
}

.expanded-content p {
    font-size: 1.05rem;
    margin: 1rem 0;
}

.expanded-content img {
    width: 100%;
    max-height: 350px;
    object-fit: cover;
    border-radius: 14px;
}
/* Dim the active card in grid */
.timeline-item.active {
    opacity: 0.35;
    pointer-events: none; /* prevents clicking ghost card */
}

/* Make expanded slot clickable */
.timeline-expand-slot {
    cursor: pointer;
    transition: transform 0.3s ease;
}

.timeline-expand-slot:hover {
    transform: scale(1.01);
}

/* Optional close hint */
.expanded-hint {
    font-size: 0.85rem;
    color: #6B3A00;
    margin-top: 0.5rem;
    font-style: italic;
}
/* Image placeholder */
.image-slot {
    width: 100%;
    height: 180px;
    background: linear-gradient(135deg, #FFD8A8, #FFE8CC);
    border-radius: 14px;
    margin-top: 1rem;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: #8B2E00;
}

.sub-section-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: #C2410C;
}

/* Dropdown container */
.tech-dropdown {
    border-radius: 16px;
    overflow: hidden;
    background: #FFF3E0;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

/* Dropdown button */
.tech-toggle {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1.2rem;
    font-weight: 700;
    background: #FF7A00;
    color: white;
    border: none;
    text-align: left;
    cursor: pointer;
}

/* Dropdown content */
.tech-content {
    display: none;
    padding: 1.5rem;
}

/* Active dropdown */
.tech-dropdown.active .tech-content {
    display: block;
}

.dense-text p {
    font-size: 1.05rem;
    line-height: 1.7;
    color: #333;
}

.img-fluid {
    width: 100%;
    height: auto;
}