/* =====================================================================
   GRS GROUP — SHARED SITE STYLESHEET
   Used by: index.html, Biography.html, classprojects.html,
            COP4813_Assignments.html (keep all pages linked to this file
            so design stays in sync — edit once, updates everywhere).
   ===================================================================== */

/* ============================
   DESIGN TOKENS
============================ */
:root {
    --font-display: 'Cabinet Grotesk', 'Segoe UI', sans-serif;
    --font-body: 'Satoshi', 'Segoe UI', sans-serif;

    --color-bg: #f6f8fa;
    --color-surface: #ffffff;
    --color-ink: #0b1220;
    --color-ink-muted: #5b6472;

    --color-navy: #0b1220;
    --color-navy-2: #101b32;
    --color-accent: #17b2c9;
    --color-accent-2: #6c5ce7;
    --color-accent-soft: #e6fbfd;

    --shadow-sm: 0 2px 8px rgba(11, 18, 32, 0.06);
    --shadow-md: 0 10px 30px rgba(11, 18, 32, 0.10);
    --shadow-lg: 0 24px 60px rgba(11, 18, 32, 0.18);

    --radius-md: 14px;
    --radius-lg: 22px;

    --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    font-family: var(--font-body);
    color: var(--color-ink);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.01em;
}

p {
    color: var(--color-ink-muted);
    line-height: 1.75;
}

a {
    color: var(--color-accent);
}

::selection {
    background: var(--color-accent);
    color: #fff;
}

/* ============================
   NAVBAR (identical on every page)
============================ */
.navbar {
    background: linear-gradient(180deg, rgba(11,18,32,0.98), rgba(16,27,50,0.96));
    backdrop-filter: blur(10px);
    padding-top: 0.65rem;
    padding-bottom: 0.65rem;
    box-shadow: 0 1px 0 rgba(255,255,255,0.05), var(--shadow-sm);
    transition: padding 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.navbar.navbar-scrolled {
    padding-top: 0.3rem;
    padding-bottom: 0.3rem;
    box-shadow: var(--shadow-md);
}

.navbar-brand img {
    filter: drop-shadow(0 0 10px rgba(23, 178, 201, 0.35));
    transition: transform 0.3s var(--ease);
}

.navbar-brand:hover img {
    transform: rotate(-4deg) scale(1.05);
}

.navbar-text.brand-name {
    font-family: var(--font-display);
    letter-spacing: 0.02em;
    font-weight: 700;
    background: linear-gradient(90deg, #ffffff, var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.navbar a {
    transition: color 0.3s ease;
}

.navbar a:hover {
    color: var(--color-accent) !important;
}

.navbar-nav .nav-link {
    font-weight: 500;
    padding: 0.5rem 0.9rem !important;
    margin: 0 0.1rem;
}

.navbar-nav .nav-link.active {
    color: var(--color-accent) !important;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
    background-color: rgba(255, 255, 255, 0.08);
    border-radius: 8px;
}

.btn-success {
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-2));
    border: none;
    font-weight: 600;
    border-radius: 999px;
    padding: 0.5rem 1.4rem;
    box-shadow: 0 6px 18px rgba(23, 178, 201, 0.35);
    transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), opacity 0.3s ease;
}

.btn-success:hover {
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-2));
    opacity: 1;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(23, 178, 201, 0.45);
}

.btn-primary {
    background: var(--color-navy);
    border: none;
    border-radius: 999px;
    font-weight: 600;
    padding: 0.75rem 2rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s ease;
}

.btn-primary:hover {
    background: var(--color-accent);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn-outline-light-accent {
    border: 1.5px solid rgba(255,255,255,0.35);
    color: #fff;
    border-radius: 999px;
    font-weight: 600;
    padding: 0.7rem 1.9rem;
    transition: all 0.3s var(--ease);
    background: transparent;
}

.btn-outline-light-accent:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
    transform: translateY(-3px);
}

.img-fluid {
    transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.img-fluid:hover {
    transform: scale(1.05);
}

/* Dropdown menus */
.navbar .dropdown-menu {
    margin-top: -4px;
    border: none;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
    background: #ffffff;
    max-height: 70vh;
    overflow-y: auto;
}

.dropdown-item {
    border-radius: 8px;
    padding: 0.55rem 1rem;
    transition: background 0.2s ease, padding-left 0.2s ease;
}

.dropdown-item:hover,
.dropdown-item:focus {
    background: var(--color-accent-soft);
    color: var(--color-navy);
    padding-left: 1.25rem;
}

.dropdown-menu {
    display: none;
    opacity: 0;
    transition: opacity 0.35s ease;
}

.dropdown:hover .dropdown-menu {
    display: block;
    opacity: 1;
    animation: dropdown-fade 0.35s forwards;
}

@keyframes dropdown-fade {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ============================
   HOME HERO (large, index.html only)
============================ */
.jumbotron {
    position: relative;
    overflow: hidden;
    margin: 0;
    border-radius: 0;
    padding: clamp(3rem, 8vw, 6.5rem) 1.5rem;
    background: radial-gradient(circle at 15% 20%, rgba(23,178,201,0.16), transparent 45%),
                radial-gradient(circle at 85% 80%, rgba(108,92,231,0.16), transparent 45%),
                linear-gradient(180deg, #0b1220, #101b32 65%, #0b1220);
    color: #fff;
}

.jumbotron::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
    pointer-events: none;
}

.jumbotron .container {
    position: relative;
    z-index: 1;
    max-width: 820px;
}

.eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-accent);
    background: rgba(23, 178, 201, 0.12);
    border: 1px solid rgba(23, 178, 201, 0.35);
    padding: 0.4rem 1rem;
    border-radius: 999px;
    margin-bottom: 1.25rem;
}

.jumbotron .display-4 {
    font-size: clamp(2.4rem, 5vw, 3.75rem);
    background: linear-gradient(100deg, #ffffff 25%, var(--color-accent) 65%, var(--color-accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.jumbotron .lead,
.jumbotron p {
    color: rgba(255, 255, 255, 0.82);
}

.jumbotron .lead {
    font-size: clamp(1.05rem, 1.6vw, 1.25rem);
}

/* ============================
   PAGE HERO (compact interior-page header —
   Biography, Class Projects, Assignments, etc.)
============================ */
.page-hero {
    position: relative;
    overflow: hidden;
    padding: clamp(2.75rem, 7vw, 4.5rem) 1.5rem clamp(2.25rem, 6vw, 3.5rem);
    background: radial-gradient(circle at 12% 25%, rgba(23,178,201,0.18), transparent 45%),
                radial-gradient(circle at 88% 75%, rgba(108,92,231,0.16), transparent 45%),
                linear-gradient(180deg, #0b1220, #101b32 70%, #0b1220);
    color: #fff;
    text-align: center;
}

.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
    pointer-events: none;
}

.page-hero .container {
    position: relative;
    z-index: 1;
    max-width: 780px;
}

.page-hero h1 {
    font-size: clamp(2rem, 4.2vw, 3rem);
    margin-bottom: 0.85rem;
    background: linear-gradient(100deg, #ffffff 25%, var(--color-accent) 65%, var(--color-accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.page-hero p {
    color: rgba(255, 255, 255, 0.82);
    font-size: 1.05rem;
    margin-bottom: 0;
}

/* ============================
   SECTIONS / GENERIC UTILITIES
============================ */
section {
    padding: clamp(3rem, 6vw, 5rem) 0;
}

main section:first-of-type {
    padding-top: clamp(3rem, 6vw, 5rem);
}

.section-eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

section h2 {
    font-size: clamp(1.75rem, 3vw, 2.4rem);
    margin-bottom: 0.75rem;
}

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

hr {
    border-top: 1px solid rgba(11, 18, 32, 0.08);
    margin: 2.5rem 0;
}

/* About / prose card */
.about-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: clamp(1.75rem, 4vw, 3rem);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(11, 18, 32, 0.06);
}

/* ============================
   SERVICE / COURSE CARDS
============================ */
.service-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 2.25rem 1.75rem;
    height: 100%;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(11, 18, 32, 0.06);
    transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(23, 178, 201, 0.35);
}

.service-icon-wrap {
    width: 84px;
    height: 84px;
    margin: 0 auto 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--color-accent-soft), #ffffff);
}

.service-icon-wrap img {
    max-width: 46px;
    max-height: 46px;
}

.service-card h5 {
    font-size: 1.15rem;
    margin-bottom: 0.6rem;
}

.service-card p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* Course card (Class Projects page) — service card + CTA footer */
.course-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    height: 100%;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(11, 18, 32, 0.06);
    transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
    display: flex;
    flex-direction: column;
}

.course-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(23, 178, 201, 0.35);
}

.course-card .course-badge {
    align-self: flex-start;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
    background: var(--color-accent-soft);
    padding: 0.3rem 0.8rem;
    border-radius: 999px;
    margin-bottom: 1rem;
}

.course-card h3 {
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
}

.course-card p {
    flex-grow: 1;
}

/* ============================
   ASSIGNMENT LIST CARDS
============================ */
.assignment-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    height: 100%;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(11, 18, 32, 0.06);
    transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

.assignment-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: rgba(23, 178, 201, 0.3);
}

.assignment-icon {
    flex: 0 0 auto;
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--color-accent-soft), #ffffff);
    display: flex;
    align-items: center;
    justify-content: center;
}

.assignment-icon img {
    max-width: 28px;
    max-height: 28px;
}

.assignment-card h5 {
    font-size: 1rem;
    margin-bottom: 0.35rem;
}

.assignment-card h5 a {
    color: var(--color-ink);
    text-decoration: none;
}

.assignment-card h5 a:hover {
    color: var(--color-accent);
}

.assignment-card p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* ============================
   FEATURE / CLIENT PROJECT CARD
============================ */
.feature-project {
    background: linear-gradient(135deg, #0b1220, #101b32);
    border-radius: var(--radius-lg);
    padding: clamp(2rem, 5vw, 3.5rem);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.feature-project::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 85% 15%, rgba(23,178,201,0.25), transparent 55%);
}

.feature-project .container-inner {
    position: relative;
    z-index: 1;
}

.feature-project p {
    color: rgba(255, 255, 255, 0.78);
}

/* ============================
   TIMELINE (Biography page)
============================ */
.timeline {
    position: relative;
    max-width: 880px;
    margin: 0 auto;
    padding-left: 2.5rem;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 10px;
    top: 6px;
    bottom: 6px;
    width: 2px;
    background: linear-gradient(180deg, var(--color-accent), var(--color-accent-2));
    opacity: 0.35;
}

.timeline-item {
    position: relative;
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: 1.5rem 1.75rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(11, 18, 32, 0.06);
    transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.timeline-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -2.5rem;
    top: 1.75rem;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-surface);
    border: 3px solid var(--color-accent);
    box-shadow: 0 0 0 4px var(--color-bg);
}

.timeline-item .timeline-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.timeline-item p {
    margin-bottom: 0;
    text-align: left;
}

/* ============================
   CONTACT SECTION
============================ */
.contact-section {
    background: linear-gradient(135deg, #0b1220, #101b32);
    color: #fff;
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.contact-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 80% 20%, rgba(23,178,201,0.25), transparent 55%);
    pointer-events: none;
}

.contact-section .container,
.contact-section .container-inner {
    position: relative;
    z-index: 1;
}

.contact-section p {
    color: rgba(255, 255, 255, 0.78);
}

/* ============================
   PORTFOLIO / WORK TILES
============================ */
.work-tile {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
    padding: 1rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.work-tile:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.work-tile img {
    float: none !important;
}

a.work-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

a.work-link:hover h5 {
    color: var(--color-accent);
}

/* ============================
   FOOTER (identical on every page)
============================ */
.footer {
    background-color: var(--color-navy);
    padding: 3.5rem 0 1.5rem;
}

.footer h3 {
    font-size: 1rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent) !important;
    margin-bottom: 1.1rem;
    font-family: var(--font-display);
}

.footer a,
.footer address,
.footer p {
    color: rgba(255, 255, 255, 0.75) !important;
}

.footer a.footer-link {
    display: inline-block;
    padding: 0.15rem 0;
}

.footer a:hover {
    color: var(--color-accent) !important;
    text-decoration: none;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    margin: 0 6px;
    transition: transform 0.3s var(--ease), background 0.3s ease;
}

.social-icon:hover {
    background: var(--color-accent);
    transform: translateY(-4px);
}

.social-icon img {
    width: 20px;
    height: 20px;
    filter: brightness(0) invert(1);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin-top: 2rem;
    padding-top: 1.25rem;
    text-align: center;
    font-size: 0.85rem;
}

/* ============================
   BACK TO TOP
============================ */
#backToTop {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 999;
    text-decoration: none;
}

#backToTop.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

#backToTop:hover {
    transform: translateY(-4px);
    color: #fff;
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { transition: none !important; animation: none !important; }
}

/* ============================
   RESUME HERO ACTIONS
============================ */
.page-hero .hero-actions {
    margin-top: 1.75rem;
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* ============================
   ABOUT CARD — paragraph spacing
============================ */
.about-card p {
    text-align: left;
    margin-bottom: 1.1rem;
}

.about-card p:last-child {
    margin-bottom: 0;
}

/* ============================
   EXPERIENCE TIMELINE (Resume — Work Experience)
============================ */
.experience-item .experience-head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.35rem;
}

.experience-item h3 {
    font-size: 1.15rem;
    margin: 0;
    color: var(--color-ink);
}

.experience-item .experience-dates {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--color-accent);
    white-space: nowrap;
}

.experience-item .experience-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1.1rem;
    font-size: 0.85rem;
    color: var(--color-ink-muted);
    margin-bottom: 0.85rem;
}

.experience-item .experience-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.experience-item .experience-meta i {
    color: var(--color-accent-2);
    font-size: 0.8rem;
}

.experience-item p {
    text-align: left;
    margin-bottom: 0.6rem;
}

.experience-item p:last-of-type {
    margin-bottom: 0;
}

/* ============================
   SKILLS
============================ */
.skills-card h3.skill-group-title {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(11, 18, 32, 0.08);
}

.skills-card h3.skill-group-title:not(:first-child) {
    margin-top: 2.25rem;
}

.skill-row {
    margin-bottom: 1.15rem;
}

.skill-row:last-child {
    margin-bottom: 0;
}

.skill-row-label {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.4rem;
    font-size: 0.9rem;
}

.skill-row-label span:first-child {
    font-weight: 500;
    color: var(--color-ink);
}

.skill-row-label span:last-child {
    font-size: 0.78rem;
    color: var(--color-ink-muted);
    font-weight: 600;
}

.skill-track {
    height: 8px;
    background: #e9ecef;
    border-radius: 999px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-2));
    width: 0%;
    transition: width 1.1s var(--ease);
}

.skill-row.is-visible .skill-fill {
    width: var(--fill, 0%);
}

/* ============================
   EDUCATION CARDS
============================ */
.education-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: 1.5rem 1.75rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(11, 18, 32, 0.06);
    transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.education-card:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.education-card:last-child {
    margin-bottom: 0;
}

.education-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    color: var(--color-ink);
}

.education-card .education-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem 0.9rem;
    font-size: 0.85rem;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.education-card p {
    text-align: left;
    margin-bottom: 0;
}

/* ============================
   QUOTE BLOCK
============================ */
.quote-block {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    padding: 0 1rem;
}

.quote-block i.fa-quote-left {
    color: var(--color-accent);
    opacity: 0.35;
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.quote-block blockquote {
    font-family: var(--font-display);
    font-size: clamp(1.1rem, 2.2vw, 1.4rem);
    font-weight: 500;
    line-height: 1.6;
    color: var(--color-ink);
    margin-bottom: 1rem;
}

.quote-block cite {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-ink-muted);
}

/* =====================================================================
   GAME COMPONENTS
   Used by: Assignments/TicTacToe.html, Assignments/ConnectFour.html,
            Assignments/BlackJack.html, Assignments/Assignment14.html
   ===================================================================== */
.game-shell {
    padding: clamp(2.5rem, 6vw, 4rem) 1.5rem clamp(4rem, 10vw, 6rem);
}

.game-card {
    max-width: 920px;
    margin: 0 auto;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: clamp(1.75rem, 4vw, 3rem);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(11, 18, 32, 0.06);
    text-align: center;
}

.game-card--felt {
    background: linear-gradient(160deg, #0e5c33, #0a3d22 70%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: #fff;
}

.game-hand-label {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-ink-muted);
    margin-bottom: 0.75rem;
}

.game-card--felt .game-hand-label {
    color: rgba(255, 255, 255, 0.75);
}

.game-status {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.15rem;
    color: var(--color-navy);
    min-height: 1.6rem;
    margin: 1.25rem 0 0.5rem;
}

.game-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

/* Shared pill button — replaces the old ad hoc black .button / .buttonRS styles
   used across the Restart / Deal / Hit / Stand / Check / Close controls. */
.game-btn {
    display: inline-block;
    border: none;
    padding: 0.7rem 2rem;
    border-radius: 999px;
    color: #fff;
    font-family: var(--font-body);
    font-weight: 600;
    text-decoration: none;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-2));
    box-shadow: 0 6px 18px rgba(23, 178, 201, 0.32);
    cursor: pointer;
    transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), opacity 0.3s ease;
}

.game-btn:hover,
.game-btn:focus {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(23, 178, 201, 0.42);
    color: #fff;
}

/* Tic-Tac-Toe */
#tic-tac-toe-board {
    display: grid;
    grid-template-columns: repeat(3, 100px);
    grid-gap: 8px;
    justify-content: center;
    margin: 0 auto;
}

#tic-tac-toe-board .cell {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 700;
    color: var(--color-navy);
    background: var(--color-accent-soft);
    border: 2px solid rgba(23, 178, 201, 0.28);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

#tic-tac-toe-board .cell:hover {
    background: #fff;
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

/* Connect Four */
.board {
    display: grid;
    grid-template-columns: repeat(7, 56px);
    grid-template-rows: repeat(6, 56px);
    gap: 6px;
    margin: 0 auto;
    padding: 14px;
    background: linear-gradient(180deg, var(--color-navy), var(--color-navy-2));
    border-radius: var(--radius-md);
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

.board .cell {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.08);
    cursor: pointer;
    transition: background 0.2s ease, transform 0.15s ease;
}

.board .cell:hover {
    background: rgba(255, 255, 255, 0.2);
}

.board .cell.red {
    background: #ef4444;
    box-shadow: inset 0 -4px 8px rgba(0, 0, 0, 0.25);
}

.board .cell.yellow {
    background: #facc15;
    box-shadow: inset 0 -4px 8px rgba(0, 0, 0, 0.2);
}

@media (max-width: 480px) {
    .board {
        grid-template-columns: repeat(7, 32px);
        grid-template-rows: repeat(6, 32px);
        gap: 4px;
        padding: 8px;
    }

    .board .cell {
        width: 32px;
        height: 32px;
    }
}

/* Black Jack / Poker — hands and playing cards */
.hand {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.6rem;
    margin-bottom: 1.5rem;
}

.card {
    width: 90px;
    height: 130px;
    border-radius: 10px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(11, 18, 32, 0.08);
    background-color: #fff;
}

.card-image {
    width: 90px;
    height: auto;
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    margin: 0 4px;
}

#result {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--color-navy);
    margin: 1.25rem 0 0.5rem;
}

/* Basic Poker (Assignment14) specifics */
.discard {
    max-width: 260px;
    margin: 1.75rem auto;
    padding: 1.25rem;
    border: 2px dashed rgba(255, 255, 255, 0.45);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.06);
    transition: background 0.2s ease, border-color 0.2s ease;
}

.discard.drag-over {
    border-color: var(--color-accent);
    background: rgba(23, 178, 201, 0.18);
}

.discard-label {
    display: block;
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.85);
}

.discard-hint {
    margin: 0.4rem 0 0;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.65);
}

.hand-eval-badge {
    display: inline-block;
    margin: 0.5rem 0 1.5rem;
    padding: 0.55rem 1.5rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    min-height: 1.4rem;
}

#winnerContainer {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 2rem 2.5rem;
    border-radius: var(--radius-lg);
    color: #fff;
    text-align: center;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    animation: gameSlideIn 0.4s var(--ease) forwards;
}

#winnerContainer h1 {
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
}

#winnerContainer.winner {
    background: linear-gradient(135deg, var(--color-accent), #0e9c74);
}

#winnerContainer.loser {
    background: linear-gradient(135deg, #e57373, #c14545);
}

@keyframes gameSlideIn {
    from { opacity: 0; transform: translate(-50%, -60%); }
    to   { opacity: 1; transform: translate(-50%, -50%); }
}

/* =====================================================================
   COP4813 ASSIGNMENTS — shared content-page styling
   ===================================================================== */
.content-shell {
    padding: clamp(2.5rem, 6vw, 4rem) 1.5rem clamp(4rem, 10vw, 6rem);
}

.content-card {
    max-width: 920px;
    margin: 0 auto;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: clamp(1.75rem, 4vw, 3rem);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(11, 18, 32, 0.06);
}

.content-card--wide {
    max-width: 1200px;
}

.content-card--center {
    text-align: center;
}

.content-photo {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.photo-caption {
    margin-top: 0.75rem;
    color: var(--color-ink-muted);
    font-size: 0.95rem;
}

/* Forms (Assignment03 contact form, Assignment04 calculator inputs) */
.assignment-form {
    text-align: left;
}

.assignment-form label {
    display: block;
    font-family: var(--font-body);
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: 0.35rem;
}

.assignment-form input,
.assignment-form textarea {
    width: 100%;
    padding: 0.7rem 0.9rem;
    border: 1px solid rgba(11, 18, 32, 0.14);
    border-radius: var(--radius-md);
    margin-bottom: 1.1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    box-sizing: border-box;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.assignment-form input:focus,
.assignment-form textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(23, 178, 201, 0.18);
}

.assignment-form textarea {
    resize: vertical;
}

/* Data tables (Assignment06 JSON table, Assignment12 CMS comparison) */
.data-table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-body);
    font-size: 0.95rem;
    background: var(--color-surface);
}

.data-table thead th {
    background: var(--color-navy);
    color: #fff;
    text-align: left;
    padding: 0.85rem 1rem;
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.data-table tbody td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid rgba(11, 18, 32, 0.08);
    vertical-align: top;
    color: var(--color-ink);
}

.data-table tbody tr:nth-child(even) {
    background: rgba(11, 18, 32, 0.02);
}

.data-table tbody ul {
    margin: 0;
    padding-left: 1.1rem;
}

.data-table tbody a {
    color: var(--color-accent);
    font-weight: 600;
}

/* Canvas frames (Assignment05 spirograph, Assignment09 animation) */
.canvas-frame {
    display: flex;
    justify-content: center;
}

.canvas-frame canvas {
    max-width: 100%;
    background: #fff;
    border: 1px solid rgba(11, 18, 32, 0.1);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.canvas-hint {
    text-align: center;
    color: var(--color-ink-muted);
    font-size: 0.9rem;
    margin-top: 1rem;
}

/* Assignment11 — course planner: keep its dense drag/drop CSS untouched,
   just give it a horizontal scroll on narrow viewports so nothing gets
   crushed (same fix already applied to the Connect Four board). */
.table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.5rem;
}