/* ==========================================================================
   Aaron Wise CV — Custom CSS
   ========================================================================== */

/* --- Custom Properties --- */
:root {
    --navy: #1B3A5C;
    --teal: #2A9D8F;
    --teal-dark: #228B7E;
    --light-bg: #F0F7FA;
    --white: #FFFFFF;
    --dark: #2D3436;
    --muted: #636E72;
    --font: 'Source Sans 3', system-ui, sans-serif;
    --max-width: 1100px;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 70px;
}

body {
    font-family: var(--font);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: var(--teal);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--teal-dark);
}

ul {
    list-style: none;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* --- Section Defaults --- */
section {
    padding: 5rem 0;
}

/* Fade-in: only applied when JS adds .fade-in class */
section.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

section.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 2.5rem;
}

/* --- Navigation --- */
#navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: box-shadow 0.3s ease;
}

#navbar.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-brand {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--navy);
    text-decoration: none;
}

.nav-brand:hover {
    color: var(--navy);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    color: var(--dark);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    position: relative;
    padding: 0.25rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--teal);
    transition: width 0.2s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--teal);
}

.nav-link.active {
    color: var(--teal);
}

/* Hamburger */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    position: relative;
    transition: background 0.3s ease;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: transform 0.3s ease;
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    top: 7px;
}

.nav-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 0.65rem 1.5rem;
    border-radius: 6px;
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.1s ease;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--teal);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--teal-dark);
    color: var(--white);
}

.btn-nav {
    background: var(--teal);
    color: var(--white);
    padding: 0.45rem 1.1rem;
    font-size: 0.9rem;
}

.btn-nav:hover {
    background: var(--teal-dark);
    color: var(--white);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--teal);
}

/* --- Hero --- */
.hero {
    background: var(--navy);
    color: var(--white);
    padding: 5rem 0;
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    align-items: center;
    gap: 3rem;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.hero-subtitle {
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--teal);
    margin-bottom: 1.5rem;
}

.hero-profile {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero-profile a {
    color: var(--teal);
    font-weight: 600;
}

.hero-profile a:hover {
    text-decoration: underline;
}

.hero-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.hero-links a {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    text-decoration: none;
}

.hero-links a:hover {
    color: var(--teal);
}

.hero-links svg {
    width: 18px;
    height: 18px;
}

.hero-photo {
    display: flex;
    justify-content: center;
}

.hero-photo img {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--teal);
}

/* --- Skills --- */
#skills {
    background: var(--light-bg);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.skill-card {
    background: var(--white);
    padding: 1.75rem;
    border-radius: 8px;
    border-top: 3px solid var(--teal);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.skill-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.skill-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 0.75rem;
}

.skill-card p {
    font-size: 0.95rem;
    color: var(--muted);
    line-height: 1.5;
}

/* --- Experience --- */
#experience {
    background: var(--white);
}

.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--teal);
    border-radius: 2px;
}

.timeline-entry {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 1.5rem;
}

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

.timeline-entry::before {
    content: '';
    position: absolute;
    left: -2.35rem;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--teal);
    border: 3px solid var(--white);
    box-shadow: 0 0 0 3px var(--teal);
}

.timeline-entry h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 0.25rem;
}

.entry-org {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

.entry-meta {
    font-size: 0.9rem;
    color: var(--muted);
    margin-bottom: 1rem;
}

.timeline-entry ul {
    list-style: disc;
    padding-left: 1.25rem;
    margin-bottom: 0.75rem;
}

.timeline-entry li {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.entry-countries {
    font-size: 0.9rem;
    color: var(--muted);
    font-style: italic;
}

.experience-footer {
    margin-top: 2.5rem;
    font-size: 0.95rem;
    color: var(--muted);
    font-style: italic;
    padding-left: 2rem;
}

.experience-footer a {
    color: var(--teal);
    font-weight: 600;
}

/* --- Education --- */
#education {
    background: var(--light-bg);
}

.education-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.education-entry {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    background: var(--white);
    padding: 1.5rem 1.75rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.education-entry h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 0.25rem;
}

.badge {
    display: inline-block;
    background: var(--teal);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    vertical-align: middle;
    margin-left: 0.5rem;
}

.education-school {
    font-size: 0.95rem;
    color: var(--dark);
    font-weight: 500;
}

.education-detail {
    font-size: 0.9rem;
    color: var(--muted);
    margin-top: 0.25rem;
}

.education-dates {
    font-size: 0.9rem;
    color: var(--muted);
    white-space: nowrap;
    flex-shrink: 0;
    margin-left: 1.5rem;
}

/* --- Publications --- */
#publications {
    background: var(--white);
}

.publications-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.publication-entry {
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.publication-entry:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.publication-entry p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--dark);
}

.publication-entry em {
    color: var(--muted);
}

/* --- A3DI Callout --- */
.a3di-callout {
    background: var(--teal);
    color: var(--white);
    text-align: center;
    padding: 4rem 0;
}

.a3di-content h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.a3di-content p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
}

/* --- Footer --- */
footer {
    background: var(--navy);
    color: rgba(255, 255, 255, 0.7);
    padding: 2rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-content p {
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 1rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--teal);
}

.footer-links svg {
    width: 20px;
    height: 20px;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

/* Tablet */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-grid {
        gap: 2rem;
    }

    .hero-photo img {
        width: 200px;
        height: 200px;
    }
}

/* Mobile */
@media (max-width: 768px) {

    /* Nav */
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 1rem 1.5rem 1.5rem;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        gap: 0.75rem;
        border-top: 1px solid rgba(0, 0, 0, 0.05);
    }

    .nav-menu.open {
        display: flex;
    }

    .nav-link {
        padding: 0.5rem 0;
        font-size: 1rem;
    }

    .btn-nav {
        text-align: center;
        padding: 0.6rem 1.5rem;
    }

    /* Hero */
    .hero {
        padding: 3rem 0;
        min-height: auto;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-photo {
        order: -1;
    }

    .hero-photo img {
        width: 180px;
        height: 180px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-links {
        justify-content: center;
    }

    .hero .btn-primary {
        display: block;
        text-align: center;
    }

    /* Sections */
    section {
        padding: 3.5rem 0;
    }

    .section-title {
        font-size: 1.7rem;
        margin-bottom: 2rem;
    }

    /* Skills */
    .skills-grid {
        grid-template-columns: 1fr;
    }

    /* Timeline */
    .timeline {
        padding-left: 1.5rem;
    }

    .timeline-entry {
        padding-left: 1rem;
    }

    .timeline-entry::before {
        left: -1.85rem;
    }

    /* Education */
    .education-entry {
        flex-direction: column;
        gap: 0.25rem;
    }

    .education-dates {
        margin-left: 0;
    }

    /* Footer */
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* Small mobile */
@media (max-width: 480px) {
    .hero-links {
        flex-direction: column;
        gap: 0.75rem;
    }

    .hero h1 {
        font-size: 1.75rem;
    }
}

/* ==========================================================================
   Print
   ========================================================================== */
@media print {
    #navbar,
    .a3di-callout,
    .btn,
    .nav-toggle {
        display: none !important;
    }

    section {
        opacity: 1 !important;
        transform: none !important;
        padding: 1.5rem 0;
        break-inside: avoid;
    }

    .hero {
        background: none !important;
        color: var(--dark) !important;
        min-height: auto;
        padding: 1rem 0;
    }

    .hero-subtitle {
        color: var(--muted) !important;
    }

    .hero-profile {
        color: var(--dark) !important;
    }

    .hero-photo img {
        width: 120px;
        height: 120px;
        border-color: var(--muted) !important;
    }

    .hero-links a {
        color: var(--dark) !important;
    }

    body {
        font-size: 11pt;
    }

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

    .timeline::before {
        background: var(--muted);
    }

    .timeline-entry::before {
        background: var(--muted);
        box-shadow: 0 0 0 3px var(--muted);
    }

    footer {
        background: none !important;
        color: var(--dark) !important;
        border-top: 1px solid var(--muted);
    }

    .footer-links a {
        color: var(--dark) !important;
    }
}