:root {
    --ink: #101b34;
    --muted: #485775;
    --blue: #2e49d5;
    --blue-dark: #2139bb;
    --navy: #0b172b;
    --ice: #e1f5f9;
    --paper: #f9fbff;
    --line: #ccd4e2;
    --white: #fff;
    --radius: .85rem;
    font: 100%/1.5 "Segoe UI", system-ui, sans-serif;
    color: var(--ink);
    background: var(--paper);
}

*, *::before, *::after { box-sizing: border-box; }

body { margin: 0; }
img { display: block; max-inline-size: 100%; block-size: auto; }
h1, h2, h3, p { margin-block: 0; }
h1, h2, h3 { line-height: 1.08; text-wrap: balance; }
p, a { overflow-wrap: anywhere; }
a { color: var(--blue-dark); text-underline-offset: .21em; }

:focus-visible {
    outline: .1875rem solid #2948d8;
    outline-offset: .23rem;
}

[hidden] { display: none !important; }

.container {
    inline-size: min(100% - clamp(2rem, 8vw, 7rem), 84rem);
    margin-inline: auto;
}

.skip-link {
    position: fixed;
    inset: .75rem auto auto .75rem;
    z-index: 10;
    padding: .7rem 1rem;
    background: var(--white);
    transform: translateY(-180%);
}

.skip-link:focus { transform: none; }

.site-header {
    background: var(--white);
    border-block-end: 1px solid #e6eaf3;
}

.header-inner, .footer-inner, .section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    column-gap: 1.5rem;
}

.header-inner { padding-block: .6rem; }

.brand {
    display: inline-flex;
    align-items: center;
    min-block-size: 2.75rem;
}

.brand img { inline-size: clamp(9.5rem, 20vw, 15.25rem); }

.header-inner nav {
    display: flex;
    flex-wrap: wrap;
    gap: .2rem clamp(1rem, 3vw, 2.5rem);
    font-weight: 650;
}

.header-inner nav a, .section-heading > a, .back-link {
    min-block-size: 2.75rem;
    display: inline-flex;
    align-items: center;
    gap: .5rem;
}

.header-inner nav a {
    color: var(--ink);
    text-decoration: none;
}

.header-inner nav a:hover, .header-inner nav a[aria-current] { text-decoration: underline; }

.hero {
    position: relative;
    isolation: isolate;
    color: var(--white);
    background: var(--navy);
}

.hero-picture img { inline-size: 100%; object-fit: cover; object-position: 72% 42%; }
.hero-inner { padding-block: 2.6rem 1.5rem; }
.hero-copy { max-inline-size: 42rem; }

h1 {
    font-size: clamp(2.25rem, 5.8vw, 5.2rem);
    font-weight: 800;
    letter-spacing: -.048em;
}

.hero-copy p {
    margin-block-start: .9rem;
    font-size: clamp(1.04rem, 2vw, 1.43rem);
    color: #e5edff;
}

.search-form {
    display: grid;
    gap: 1rem;
    padding: clamp(1rem, 2.5vw, 1.65rem);
    color: var(--ink);
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.hero-search { margin-block-start: 1.65rem; }
.field { display: grid; gap: .35rem; min-inline-size: 0; }
.field label { font-weight: 700; }

.field input, .field select, .button {
    min-block-size: 2.9rem;
    padding: .6rem .78rem;
    font: inherit;
    border-radius: .5rem;
}

.field input, .field select {
    inline-size: 100%;
    min-inline-size: 0;
    border: 1px solid #7988a5;
    color: var(--ink);
    background: var(--white);
}

.field input::placeholder { color: #59647a; }

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    min-inline-size: 0;
    cursor: pointer;
    font-weight: 700;
    text-decoration: none;
    border: 1px solid var(--line);
    color: var(--ink);
    background: var(--white);
    transition: background-color .17s ease, border-color .17s ease;
}

.button:hover { border-color: var(--blue); background: #eff3ff; }
.button-primary { color: var(--white); background: var(--blue); border-color: var(--blue); }
.button-primary:hover { color: var(--white); background: var(--blue-dark); border-color: var(--blue-dark); }
.topic-band { background: var(--ice); padding-block: 1.65rem 2.1rem; }

h2 {
    font-size: clamp(1.45rem, 3vw, 2.4rem);
    font-weight: 780;
    letter-spacing: -.03em;
}

.topic-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
    gap: .25rem 1.25rem;
    margin: 1rem 0 0;
    padding: 0;
    list-style: none;
}

.topic-links a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: .5rem;
    min-block-size: 2.75rem;
    border-block-start: 1px solid #9bb9c8;
    padding: .6rem .12rem;
    text-decoration: none;
    font-weight: 700;
    color: var(--ink);
}

.topic-links a:hover { color: var(--blue-dark); text-decoration: underline; }

.section { padding-block: clamp(2rem, 5vw, 4.2rem); }
.section-heading { margin-block-end: 1rem; }
.section-heading > a, .back-link { font-weight: 650; }

.trainer-list {
    margin: 0;
    padding: 0;
    list-style: none;
    border-block-start: 1px solid var(--line);
}

.trainer-row {
    display: grid;
    grid-template-columns: clamp(3.5rem, 10vw, 6rem) minmax(0, 1fr);
    align-items: center;
    gap: .4rem clamp(.9rem, 2vw, 1.4rem);
    padding-block: clamp(1rem, 2.5vw, 1.45rem);
    border-block-end: 1px solid var(--line);
}

.portrait {
    display: grid;
    place-items: center;
    inline-size: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    color: #253891;
    background: #e0e7ff;
    border-radius: var(--radius);
    font-size: clamp(1.3rem, 4vw, 3rem);
    font-weight: 770;
}

.portrait img { inline-size: 100%; block-size: 100%; object-fit: cover; }
.trainer-summary h3 { font-size: clamp(1.15rem, 2.1vw, 1.62rem); letter-spacing: -.02em; text-wrap: initial; }
.trainer-summary h3 a { color: var(--ink); }
.trainer-summary h3 a:hover { color: var(--blue-dark); }
.trainer-headline { margin-block-start: .3rem; font-size: 1.02rem; }
.trainer-location, .row-availability { color: var(--muted); font-size: .94rem; }
.row-availability { grid-column: 2; }
.row-availability time { display: block; font-weight: 700; color: var(--ink); }
.search-page { display: grid; gap: 1.5rem; }
.search-page h1, .for-trainers h1 { font-size: clamp(2.2rem, 5vw, 4.05rem); }
.filters { align-self: start; }
.filter-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .7rem; }
.filter-actions a { display: inline-flex; align-items: center; min-block-size: 2.75rem; }
.search-results h2 { margin-block-end: .8rem; }
.search-results h2 span { color: var(--muted); }
.profile-page { padding-block-start: 1.4rem; }

.profile-heading {
    display: grid;
    grid-template-columns: minmax(5rem, 10rem) minmax(0, 1fr);
    align-items: center;
    gap: clamp(.9rem, 3vw, 2.6rem);
    padding-block: .9rem 1.8rem;
    border-block-end: 1px solid var(--line);
}

.profile-heading h1 { font-size: clamp(1.85rem, 5.4vw, 4.8rem); text-wrap: initial; }
.profile-heading .trainer-headline { font-size: clamp(1.05rem, 2.1vw, 1.48rem); }
.profile-heading .portrait { align-self: start; }
.profile-status { color: var(--muted); font-size: .94rem; margin-block-end: .35rem; }
.share-button { margin-block-start: .8rem; }
.share-status { color: var(--muted); font-size: .92rem; margin-block-start: .3rem; }
.profile-columns { display: grid; gap: clamp(1.5rem, 4vw, 3.8rem); padding-block-start: 1.8rem; }
.profile-details { display: grid; gap: 1.8rem; }
.profile-details p, .profile-availability p { margin-block-start: .55rem; }
.profile-availability { padding: 1.25rem; background: var(--ice); border-radius: var(--radius); align-self: start; }
.plain-list, .date-list { padding-inline-start: 1.22rem; margin-block: .65rem 0; }
.plain-list li + li, .date-list li + li { margin-block-start: .27rem; }
.for-trainers { max-inline-size: 47rem; }
.for-trainers p { margin-block-start: 1rem; max-inline-size: 60ch; }
.for-trainers h2, .for-trainers .button { margin-block-start: 1.5rem; }

.site-footer {
    border-block-start: 1px solid var(--line);
    background: #eef3fb;
    color: var(--muted);
    font-size: .94rem;
}

.footer-inner { padding-block: 1.15rem; gap: .35rem 1.2rem; }
.footer-inner a { color: var(--ink); font-weight: 750; }

@media (min-width: 44rem) {
    .header-inner { min-block-size: 4.4rem; }
    .hero-inner { padding-block: clamp(3.2rem, 7vw, 6.4rem) 0; }
    .hero-copy h1 { text-wrap: initial; }
    .hero-copy { inline-size: 56%; }
    .hero-picture { position: absolute; inset: 0; z-index: -2; }
    .hero-picture img { block-size: 100%; object-position: 50% 23%; }

    .hero::after {
        content: "";
        position: absolute;
        z-index: -1;
        inset: 0;
        background: linear-gradient(90deg, #081326 8%, #081326f5 28%, #081326cf 42%, #08132645 66%, transparent 83%);
    }

    .hero-search {
        grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr) auto;
        align-items: end;
        margin-block-start: clamp(2rem, 5vw, 4.7rem);
        transform: translateY(1.8rem);
        box-shadow: 0 1rem 2.8rem #192e491a;
    }

    .topic-band { padding-block-start: 3.8rem; }
    .trainer-row { grid-template-columns: clamp(4.5rem, 8vw, 6rem) minmax(0, 1fr) minmax(8rem, .35fr); }
    .row-availability { grid-column: auto; }
    .search-page { grid-template-columns: minmax(13rem, 1fr) minmax(0, 2.6fr); }
    .search-page h1 { grid-column: 1 / -1; }
    .profile-columns { grid-template-columns: minmax(0, 1fr) minmax(12.5rem, .48fr); }
}

@media (max-width: 27rem) {
    .profile-heading { grid-template-columns: 1fr; }
    .profile-heading .portrait { inline-size: 5.5rem; }
}

@media (prefers-reduced-motion: no-preference) {
    .hero-copy { animation: appear .36s ease-out both; }

    @keyframes appear {
        from { opacity: .5; transform: translateY(.3rem); }
        to { opacity: 1; transform: none; }
    }
}

@media (prefers-reduced-motion: reduce) {
    .button { transition: none; }
}