/* ============================================================
   Design tokens
   ============================================================ */
:root {
    --color-dark-blue:  #1F3864;
    --color-light-blue: #2E74B5;
    --color-white:      #FFFFFF;
    --color-near-black: #1A1A1A;
    --color-mid-grey:   #5F5F5F;
    --color-light-grey: #F0F0F0;
    --font:             'Helvetica Neue', Helvetica, Arial, sans-serif;
    --nav-height:       60px;
    --nav-offset:       30px;
}

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

html {
    font-family: var(--font);
    font-size: 16px;
    color: var(--color-near-black);
    background-color: var(--color-light-grey);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    min-height: 100vh;
}

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

a {
    text-decoration: none;
}

ul {
    list-style: none;
}

/* Screen-reader only utility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================================
   Navigation
   ============================================================ */
.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: calc(var(--nav-height) + var(--nav-offset));
    padding-top: var(--nav-offset);
    background-color: var(--color-white);
    display: grid;
    grid-template-columns: 35% 65%;
    align-items: center;
    z-index: 100;
}

/* Left: identity link */
.nav-identity {
    display: flex;
    align-items: baseline;
    color: var(--color-dark-blue);
    white-space: nowrap;
    padding-left: 32px;
}

.nav-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-dark-blue);
}

.nav-sep {
    font-size: 14px;
    font-weight: 400;
    color: var(--color-dark-blue);
    margin: 0 4px;
}

.nav-descriptor {
    font-size: 14px;
    font-weight: 400;
    color: var(--color-dark-blue);
}

/* Right: nav links */
.nav-links {
    display: flex;
    align-items: center;
    gap: 0;
    padding-left: 40px;
    padding-right: 32px;
}

.nav-links > li {
    display: flex;
    align-items: center;
    position: relative;
    padding: 0 20px;
}

.nav-links > li:first-child {
    padding-left: 0;
}

.nav-links > li:last-child {
    padding-right: 0;
}

.nav-pipe {
    font-size: 14px;
    color: var(--color-light-blue);
    margin-right: 10px;
    user-select: none;
}

.nav-links a {
    font-size: 14px;
    font-weight: 400;
    color: var(--color-light-blue);
    transition: color 0.2s ease;
    white-space: nowrap;
}

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

.nav-links a:focus-visible {
    color: var(--color-dark-blue);
    outline: 2px solid var(--color-dark-blue);
    outline-offset: 3px;
    border-radius: 2px;
}

/* Dropdown */
.has-dropdown {
    position: relative;
}

.nav-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 8px;
    background-color: var(--color-white);
    min-width: 190px;
    padding: 6px 0;
    z-index: 200;
}

.has-dropdown:hover .nav-dropdown,
.has-dropdown:focus-within .nav-dropdown {
    display: block;
}

.nav-dropdown li {
    display: block;
}

.nav-dropdown a {
    display: block;
    padding: 9px 18px;
    font-size: 13px;
    color: var(--color-light-blue);
    white-space: nowrap;
}

.nav-dropdown a:hover {
    color: var(--color-dark-blue);
}

/* ============================================================
   Hero section
   ============================================================ */
.hero {
    display: grid;
    grid-template-columns: 35% 65%;
    align-items: start;
    align-content: start;
    background-color: var(--color-light-grey);
    min-height: 100vh;
    padding-top: calc(var(--nav-height) + var(--nav-offset));
}

/* Left column */
.hero-left {
    background-color: var(--color-white);
    align-self: stretch;
    padding: 155px 40px 60px 32px;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.hero-name {
    font-size: clamp(3.75rem, 6vw, 5.5rem);
    font-weight: 700;
    color: var(--color-dark-blue);
    line-height: 1.0;
    letter-spacing: -0.02em;
}

.hero-title {
    font-size: clamp(1rem, 1.4vw, 1.2rem);
    font-weight: 400;
    color: var(--color-light-blue);
    line-height: 1.2;
}

.hero-tagline {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-mid-grey);
    line-height: 1.2;
}

.site-footer {
    padding: 32px 0 16px 32px;
    font-size: 10px;
    font-weight: 400;
    color: var(--color-mid-grey);
    line-height: 1;
}

.site-footer a {
    color: var(--color-mid-grey);
    text-decoration: none;
    transition: color 0.2s ease;
}

.site-footer a:hover {
    color: var(--color-light-blue);
}

/* Right column */
.hero-right {
    background-color: var(--color-white);
    display: flex;
    align-items: flex-start;
    padding-top: 43px;
    padding-right: 32px;
    padding-bottom: 32px;
    padding-left: 40px;
}

/* ============================================================
   Carousel
   ============================================================ */
.carousel {
    position: relative;
    width: 100%;
    /* Natural image ratio — images are 2554×1750 */
    aspect-ratio: 2554 / 1750;
    /* Never taller than the visible area below the nav + top padding */
    max-height: calc(100vh - var(--nav-height) - var(--nav-offset) - 43px);
    overflow: hidden;
    background-color: var(--color-light-grey);
}

.carousel-track {
    position: relative;
    width: 100%;
    height: 100%;
}

/* Slides: stacked, fade between */
.carousel-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.65s ease;
}

.carousel-slide.is-active {
    opacity: 1;
    pointer-events: auto;
    z-index: 1;
}

.slide-link {
    display: block;
    width: 100%;
    height: 100%;
    position: relative;
}

.slide-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Hover overlay */
.slide-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(10, 20, 40, 0.58);
    color: var(--color-white);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 40px 44px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.carousel-slide:hover .slide-overlay {
    opacity: 1;
}

.slide-category {
    display: block;
    font-size: 11px;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.2;
    margin-bottom: 12px;
}

.slide-title {
    font-size: clamp(1.3rem, 2.2vw, 1.9rem);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.2;
    margin-bottom: 10px;
}

.slide-role {
    font-size: 0.875rem;
    font-style: italic;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.2;
    margin-bottom: 14px;
}

.slide-teaser {
    font-size: 0.9rem;
    line-height: 1.2;
    color: rgba(255, 255, 255, 0.88);
    max-width: 520px;
}

/* Arrow buttons */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.18);
    border: none;
    border-radius: 2px;
    color: rgba(255, 255, 255, 0.75);
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
}

.carousel-btn:hover {
    background: rgba(255, 255, 255, 0.32);
    color: var(--color-white);
}

.carousel-btn:focus-visible {
    outline: 2px solid var(--color-white);
    outline-offset: 2px;
}

.carousel-prev { left: 14px; }
.carousel-next { right: 14px; }

/* Dot navigation */
.carousel-dots {
    position: absolute;
    bottom: 18px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 9px;
    z-index: 10;
}

.carousel-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    border: none;
    padding: 0;
    background: rgba(255, 255, 255, 0.35);
    cursor: pointer;
    transition: background 0.2s ease;
}

.carousel-dot[aria-selected="true"] {
    background: rgba(255, 255, 255, 0.92);
}

.carousel-dot:focus-visible {
    outline: 2px solid var(--color-white);
    outline-offset: 3px;
}

/* ============================================================
   Hamburger toggle button — hidden on desktop/tablet
   ============================================================ */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    color: var(--color-dark-blue);
    line-height: 0;
}

.nav-toggle:focus-visible {
    outline: 2px solid var(--color-dark-blue);
    outline-offset: 3px;
    border-radius: 2px;
}

.icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-menu { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

/* ============================================================
   Responsive — tablet (≤ 960px): stack columns
   ============================================================ */
@media (max-width: 960px) {
    .hero {
        grid-template-columns: 1fr;
    }

    .hero-left {
        padding: 80px 32px 36px;
        gap: 22px;
    }

    .hero-right {
        padding: 0 32px 32px;
    }

    .carousel {
        /* Let it fill the width; height follows aspect-ratio naturally */
        max-height: none;
    }

    /* Always show overlay on tablet/touch */
    .slide-overlay {
        opacity: 1;
    }
}

/* ============================================================
   Responsive — medium (≤ 1200px): hide nav descriptor
   ============================================================ */
@media (max-width: 1200px) {
    .nav-sep,
    .nav-descriptor {
        display: none;
    }
}

/* ============================================================
   Responsive — mobile (≤ 600px)
   ============================================================ */
@media (max-width: 600px) {
    :root {
        --nav-height: 52px;
    }

    /* Nav: switch to flex, show hamburger */
    .site-nav {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: var(--nav-offset) 20px 0;
    }

    .nav-identity {
        padding-left: 0;
    }

    .nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Nav links: hidden until hamburger opens */
    .nav-links {
        display: none;
        position: fixed;
        top: calc(var(--nav-height) + var(--nav-offset));
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--color-white);
        padding: 8px 0 20px;
        z-index: 150;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    }

    .nav-links.is-open {
        display: flex;
    }

    .nav-links > li {
        padding: 0;
        width: 100%;
    }

    .nav-links > li > a {
        display: block;
        padding: 11px 20px;
        font-size: 14px;
    }

    .nav-pipe {
        display: none;
    }

    /* My work: two-column layout, hairlines above and below */
    .nav-links > li.has-dropdown {
        align-items: flex-start;
        border-top: 1px solid var(--color-light-grey);
        border-bottom: 1px solid var(--color-light-grey);
    }

    .nav-dropdown {
        display: block;
        position: static;
        min-width: auto;
        padding: 0;
        box-shadow: none;
        flex: 1;
    }

    .nav-dropdown a {
        padding: 8px 20px 8px 0;
        font-size: 13px;
    }

    .nav-dropdown li:first-child a {
        padding-top: 11px;
    }

    .nav-dropdown li:last-child a {
        padding-bottom: 11px;
    }

    /* Hero */
    .hero-left {
        padding: 60px 20px 28px;
        gap: 18px;
    }

    /* Carousel: match hero-left side padding so edges align */
    .hero-right {
        padding: 0 20px 20px;
    }

    /* Carousel overlay: tighter padding, hide teaser */
    .slide-overlay {
        padding: 20px 22px;
    }

    .slide-title {
        font-size: 1.1rem;
    }

    .slide-role {
        font-size: 0.8rem;
    }

    .slide-teaser {
        display: none;
    }
}

/* ============================================================
   Reduced motion — disable carousel and overlay transitions
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    .carousel-slide,
    .slide-overlay {
        transition: none;
    }
}