:root {
  --ivory: #F3EBDD;
    --cream: #E5D6BF;
    --terracotta: #A6534D;
    --dusty-rose: #B97973;
    --charcoal: #292725;
    --brown: #795238;
    --olive: #62674B;
    --sage: #A5A58A;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--ivory);
    color: var(--charcoal);
    margin: 20px;
    font-family: "Times New Roman", Times, serif;
}

.hero-title {
    font-size: clamp(70px, 10vw, 150px);
    font-weight: 700;
    line-height: .82;
    letter-spacing: -0.07em;
}

.hero-heading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 25px;
}

.hero-image {
    width: 180px;
    height: 230px;
    border-radius: 100px;
    overflow: hidden;
    flex-shrink: 0;
}

.hero-heading-bottom {
    text-align: center;
}

.hero {
    min-height: 600px;
    padding: 25px 5vw 0;
    background: image(url('../images/hero-background.jpg')) no-repeat center;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 75px;
}

.nav-links {
    display: flex;
    gap: 45px;
}

.aboutme-button {
    background: var(--terracotta);
    color: var(--ivory);
    padding: 15px 30px;
    border-radius: 50px;
    border: none;
    font-weight: 600;
    display: inline-block;
    text-decoration: none;
}

.aboutme-button:hover {
    background-color: var(--dusty-rose);
}

.arrow {
    width: 42px;
    height: 42px;
    border: 1px solid #D8D5CD;
    border-radius: 50%;
    display: grid;
    place-items: center;
}

.partner-strip {
    border-top: 1px solid rgba(0,0,0,.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 40px;
    font-size: 11px;
}

.mid {
    min-height: 600px;

    background-image: url("images/wide.JPG");
    background-size: cover;
    background-position: center;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    text-align: center;
    color: var(--ivory);
    position: relative;
    overflow: hidden;
}

.background-text {
    margin: 0;
    width: 60%;

    text-align: center;

    font-size: clamp(40px, 9vw, 110px);
    line-height: 0.85;
    letter-spacing: -0.06em;

    color: #62674B;
    opacity: 0.65;
}

.mid > * {
    position: relative;
    z-index: 1;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content:space-between;
    padding: 20px 40px;

    background-color: var(--ivory);
}

.nav-links {
    display: flex;
    gap: 50px;
}

.nav-links a {
    color: var(--charcoal);
    text-decoration: none;

    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.nav-links a:hover {
    color: var(--terracotta);
}

.home-button {
    background: var(--terracotta);
    padding: 15px 30px;
    border-radius: 50px;
    border: none;
    font-weight: 600;
    display: inline-block;
}
.home-button a {
    text-decoration: none;
    color: var(--ivory);
    letter-spacing: 0.05em;
}

.home-button:hover {
    background-color: var(--dusty-rose);
}

img {
  max-width: 100%;
  height: auto;
}

/* Assignments */
.assignments-page, .aboutme-page, .semester-project-page {
    padding: 80px 5vw;
    max-width: 1200px;
    margin: 0 auto;
}

.assignments-page h1, .aboutme-page h1, .semester-project-page h1 {
    color: var(--charcoal);
    font-size: clamp(50px, 7vw, 90px);
    font-weight: 700;
    line-height: 0.9;
    letter-spacing: -0.06em;
    margin: 0 0 60px;
}

/* Assignment Cards */
.assignment-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.assignment-card * {
    font-family: inherit;
}

.assignment-card {
    background-color: var(--cream);
    border: 1px solid rgba(41, 39, 37, 0.15);
    border-radius: 18px;
    overflow: hidden;
    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease,
        border-color 0.3s ease;
}

.assignment-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(41, 39, 37, 0.10);
    border-color: var(--terracotta);
}

/* Clickable Header */
.assignment-header {
    width: 100%;
    min-height: 220px;
    padding: 30px;
    background: transparent;
    border: none;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
    text-align: left;
    cursor: pointer;
    color: var(--charcoal);
}

.assignment-header h2 {
    font-size: 28px;
    font-weight: 600;
    letter-spacing: -0.03em;
    margin: 0 0 10px;
}

.assignment-header p {
    font-size: 14px;
    color: var(--brown);
    margin: 0;
}

/* Arrow */
.assignment-header .arrow {
    width: 42px;
    height: 42px;
    border: 1px solid rgba(41, 39, 37, 0.25);
    border-radius: 50%;
    display: grid;
    place-items: center;
    color: var(--charcoal);
    transition: transform 0.3s ease, color 0.3s ease, background-color 0.3s ease;
}

/*change arrow when card is open*/
.assignment-card:has(.assignment-details.open) .arrow {
    transform: rotate(180deg);
    color: var(--ivory);
    background-color: var(--terracotta);
    border-color: var(--terracotta);
}

/* expanding Details */
.assignment-details {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, padding 0.5s ease, border-color 0.5s ease;
    padding: 0 30px;
    border-top: 1px solid transparent;
}

.assignment-details.open {
    max-height: 5000px;
    padding: 30px;
    border-top-color: rgba(41, 39, 37, 0.15);
}

.assignment-details p {
    margin: 20px;
    line-height: 1.6;
    color: var(--brown);
}

.assignment-details strong {
    color: var(--charcoal);
}

.assignment-details h3 {
    color: var(--charcoal);
    margin-top: 30px;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* assignment section */
.assignment-section {
    margin-bottom: 35px;
}

.assignment-section h3 {
    margin-bottom: 18px;
    font-size: 17px;
    font-weight: 600;
    color: var(--charcoal);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.assignment-section p {
    line-height: 1.6;
    color: var(--brown);
}

.assignment-section ol {
    line-height: 1.7;
    padding-left: 25px;
    color: var(--brown);
}

.assignment-section li {
    margin-bottom: 8px;
    padding-left: 5px;
}

/* resource table */
.resource-table-wrapper {
    width: 100%;
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid rgba(41, 39, 37, 0.15);
}

.resource-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--ivory);
    font-family: inherit;
}

.resource-table th {
    padding: 16px 18px;
    background-color: var(--olive);
    color: var(--ivory);
    text-align: left;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.07em;
}

.resource-table td {
    padding: 18px;
    border-top: 1px solid rgba(41, 39, 37, 0.15);
    color: var(--brown);
    vertical-align: top;
    line-height: 1.6;
}

.resource-table tbody tr:last-child td {
    border-bottom: none;
}

.resource-table tbody tr:nth-child(even) {
    background-color: rgba(229, 214, 191, 0.35);
}

.resource-table tbody tr:hover {
    background-color: rgba(185, 121, 115, 0.10);
}

.assignment-card a {
    color: var(--terracotta);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.assignment-card a:hover {
    color: var(--dusty-rose);
    text-decoration: underline;
}

/* PDF viewer */
.pdf-viewer {
    width: 100%;
    height: 500px;
    display: block;
    border: 1px solid rgba(41,39,37,0.15);
    border-radius: 10px;
    background-color: var(--ivory);
}
/* PDF link */
.pdf-link {
    display: inline-block;
    margin-top: 15px;
    color: var(--terracotta);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.04em;
    transition: color 0.2s ease;
}

.pdf-link:hover {
    color: var(--dusty-rose);
}

/* About Me Page */
.aboutme-page {
    min-height: calc(100vh - 115px);
    display: flex;
    align-items: center;
    background-color: var(--ivory);
}

.aboutme-section {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 80px;
    align-items: center;
}

/* Image */
.aboutme-image {
    width: 100%;
    height: 600px;
    overflow: hidden;
    background-color: var(--cream);
}

.aboutme-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: saturate(75%);
}

/* About me Text */
.aboutme-content {
    max-width: 520px;
}

.aboutme-eyebrow {
    margin: 0 0 20px;
    color: var(--terracotta);
    font-size: 15px;
    letter-spacing: 0.08em;
    text-transform: lowercase;
}

.aboutme-content h1 {
    margin: 0 0 30px;
    font-size: clamp(50px, 6vw, 85px);
    font-weight: 700;
    line-height: 0.88;
    letter-spacing: -0.06em;
    color: var(--charcoal);
}

.aboutme-text {
    margin: 0 0 20px;
    color: var(--brown);
    font-size: 17px;
    line-height: 1.7;
}