/* ============================================================
   kalinahristova.eu - stylesheet
   Palette and fonts are kept from the original site.
   ============================================================ */

:root {
    /* Colour palette (unchanged) */
    --color-light-taupe: #EFEBE2;
    --color-medium-gray-taupe: #8A7E73;
    --color-dark-brown: #473E37;
    --color-desaturated-blue: #6A7B8E;
    --color-lighter-desaturated-blue: #839AB3;
    --color-cream: #FCFBF6;
    --color-white: #FFFFFF;

    /* Typography */
    --font-serif: 'Merriweather', Georgia, serif;
    --font-sans: 'Open Sans', Arial, sans-serif;

    /* Rounded corners */
    --border-radius-soft: 7px;
    --border-radius-medium: 12px;
    --border-radius-large: 20px;

    --shadow-soft: 0 4px 10px rgba(71, 62, 55, 0.08);
    --shadow-section: 0 5px 15px rgba(71, 62, 55, 0.08);
    --header-h: 72px;
    --max-w: 1200px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.65;
    color: var(--color-dark-brown);
    background-color: var(--color-cream);
    background-image: linear-gradient(180deg, var(--color-cream) 0%, var(--color-light-taupe) 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
/* Watercolour background: AVIF (served as bckgr.jpg) with JPEG fallback, fixed
   via a pseudo-element so mobile browsers do not have to repaint on scroll. */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    background-color: var(--color-cream);
    background-image: url(images/bckgr-fallback.jpg);
    background-image: image-set(url(images/bckgr.jpg) type("image/avif"), url(images/bckgr-fallback.jpg) type("image/jpeg"));
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.55;
    pointer-events: none;
}
main { flex: 1 0 auto; }
img { max-width: 100%; height: auto; }

h1, h2, h3, h4 {
    font-family: var(--font-serif);
    color: var(--color-dark-brown);
    line-height: 1.25;
    margin: 0 0 0.5em;
    font-weight: 700;
}
h1 { font-size: clamp(1.9rem, 1.3rem + 2.5vw, 2.75rem); font-weight: 900; }
h2 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2rem); }
h3 { font-size: 1.25rem; }
.h3-size { font-size: 1.35rem; }
.h4-size { font-size: 1.1rem; }
p { margin: 0 0 1em; }
.lead { font-size: 1.1rem; }
.small { font-size: 0.9rem; }
.center { text-align: center; }
.eyebrow {
    font-family: var(--font-sans);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.8rem;
    color: var(--color-dark-brown);
    margin-bottom: 0.75em;
}
.eyebrow::before { content: ""; display: inline-block; width: 28px; height: 3px; background: var(--color-desaturated-blue); vertical-align: middle; margin-right: 10px; border-radius: 2px; }
.accent { color: var(--color-desaturated-blue); }

/* Links: dark brown text with a blue underline keeps AA contrast on light backgrounds. */
a {
    color: var(--color-dark-brown);
    text-decoration: underline;
    text-decoration-color: var(--color-lighter-desaturated-blue);
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
    transition: color 0.2s, text-decoration-color 0.2s;
}
a:hover { color: var(--color-desaturated-blue); text-decoration-color: var(--color-desaturated-blue); }
.link-arrow { font-weight: 700; }

:focus-visible {
    outline: 3px solid var(--color-desaturated-blue);
    outline-offset: 3px;
    border-radius: 3px;
}

.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 16px; }
.container.narrow { max-width: 860px; }

/* Skip link */
.skip-link {
    position: absolute;
    left: 8px;
    top: -100px;
    z-index: 1000;
    background: var(--color-dark-brown);
    color: var(--color-white);
    padding: 0.6em 1em;
    border-radius: var(--border-radius-soft);
    text-decoration: none;
}
.skip-link:focus { top: 8px; }

/* ---------- Header / nav ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-light-taupe);
    border-bottom: 1px solid rgba(138, 126, 115, 0.35);
    box-shadow: 0 2px 10px rgba(71, 62, 55, 0.06);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: var(--header-h);
    flex-wrap: wrap;
}
.brand {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: var(--color-desaturated-blue);
    padding: 10px 0;
    line-height: 1.15;
}
.brand-name { font-family: var(--font-serif); font-size: 1.35rem; font-weight: 700; color: var(--color-dark-brown); }
.brand-tagline { font-size: 0.78rem; color: var(--color-dark-brown); }
.brand:hover .brand-name { color: var(--color-desaturated-blue); }

.nav-toggle { position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none; }
.nav-burger {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--border-radius-soft);
    cursor: pointer;
    color: var(--color-dark-brown);
    font-weight: 700;
    user-select: none;
    border: 1px solid transparent;
}
.nav-burger:hover { background: rgba(131, 154, 179, 0.25); }
.burger-bars { display: inline-flex; flex-direction: column; gap: 4px; width: 22px; }
.burger-bars span { display: block; height: 3px; border-radius: 2px; background: var(--color-dark-brown); transition: transform 0.25s, opacity 0.25s; }
.nav-toggle:checked ~ .nav-burger .burger-bars span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle:checked ~ .nav-burger .burger-bars span:nth-child(2) { opacity: 0; }
.nav-toggle:checked ~ .nav-burger .burger-bars span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-toggle:focus-visible ~ .nav-burger { outline: 3px solid var(--color-desaturated-blue); outline-offset: 2px; }

.site-nav {
    display: none;
    flex-basis: 100%;
    padding: 8px 0 14px;
    border-top: 1px solid rgba(138, 126, 115, 0.35);
}
.nav-toggle:checked ~ .site-nav { display: block; }
.nav-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.nav-list a:not(.btn) {
    display: block;
    padding: 0.7em 0.9em;
    border-radius: var(--border-radius-soft);
    text-decoration: none;
    color: var(--color-dark-brown);
    font-weight: 700;
    transition: background-color 0.2s;
}
.nav-list a:not(.btn):hover { background: rgba(131, 154, 179, 0.3); }
.nav-list a:not(.btn)[aria-current="page"] { background: rgba(106, 123, 142, 0.18); box-shadow: inset 0 -3px 0 var(--color-desaturated-blue); }
.nav-cta { margin-top: 8px; }
.nav-cta .btn { width: 100%; justify-content: center; }
.lang-switch {
    margin-top: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-medium-gray-taupe);
}
.lang-switch a {
    text-decoration: none;
    padding: 0.35em 0.6em;
    border-radius: var(--border-radius-soft);
    color: var(--color-dark-brown);
    border: 1px solid transparent;
}
.lang-switch a:hover { background: rgba(131, 154, 179, 0.3); }
.lang-switch a.active { background: var(--color-desaturated-blue); color: var(--color-white); }

@media (min-width: 900px) {
    .nav-burger { display: none; }
    .site-nav, .nav-toggle:checked ~ .site-nav {
        display: flex;
        align-items: center;
        gap: 18px;
        flex-basis: auto;
        padding: 0;
        border-top: 0;
    }
    .nav-list { flex-direction: row; align-items: center; gap: 2px; }
    .nav-cta { margin: 0 0 0 10px; }
    .nav-cta .btn { width: auto; }
    .lang-switch { margin: 0 0 0 6px; padding-left: 14px; border-left: 1px solid rgba(138, 126, 115, 0.5); }
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5em;
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 1.2rem;           /* >= 18.66px bold: "large text", so 3:1 applies */
    line-height: 1.2;
    padding: 0.8em 1.5em;
    border-radius: var(--border-radius-medium);
    border: 2px solid transparent;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.btn-primary {
    background: var(--color-desaturated-blue);
    color: var(--color-white);
    box-shadow: 0 4px 8px rgba(71, 62, 55, 0.12);
}
.btn-primary:hover {
    background: var(--color-lighter-desaturated-blue);
    color: var(--color-dark-brown);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(71, 62, 55, 0.16);
}
.btn-ghost {
    background: transparent;
    color: var(--color-dark-brown);
    border-color: var(--color-desaturated-blue);
}
.btn-ghost:hover { background: rgba(131, 154, 179, 0.25); }
.btn-small { font-size: 1.05rem; padding: 0.6em 1.1em; }
.btn-large { font-size: 1.3rem; }
.btn-block { width: 100%; justify-content: center; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 1.25rem 0; }

/* ---------- Sections ---------- */
.section { padding: 44px 0; }
.section-alt {
    background: rgba(255, 255, 255, 0.82);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-section);
    width: calc(100% - 32px);
    max-width: var(--max-w);
    margin: 10px auto;
}
.section-title { text-align: center; }
.section-title::after {
    content: "";
    display: block;
    width: 64px;
    height: 3px;
    margin: 0.5em auto 0;
    background: var(--color-desaturated-blue);
    border-radius: 2px;
}
.section-intro { text-align: center; max-width: 640px; margin: 0 auto 1.5rem; }
.page-head { padding-bottom: 8px; }
.page-head h1 { margin-bottom: 0.4em; }

/* ---------- Hero ---------- */
.hero { padding: 36px 0 24px; }
.hero-inner { display: grid; gap: 28px; align-items: center; }
.hero-photo { order: -1; display: flex; justify-content: center; }
.hero-photo img {
    width: min(100%, 360px);
    border-radius: var(--border-radius-large);
    box-shadow: 0 12px 30px rgba(71, 62, 55, 0.18);
    border: 6px solid var(--color-white);
}
.badges { list-style: none; margin: 1.5rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.badges li {
    display: inline-flex;
    align-items: center;
    gap: 0.45em;
    background: var(--color-white);
    border: 1px solid rgba(138, 126, 115, 0.45);
    color: var(--color-dark-brown);
    border-radius: 999px;
    padding: 0.35em 0.9em;
    font-size: 0.9rem;
    font-weight: 700;
}
.badges i { color: var(--color-desaturated-blue); }

@media (min-width: 760px) {
    .hero { padding: 56px 0 36px; }
    .hero-inner { grid-template-columns: 1.3fr 1fr; gap: 48px; }
    .hero-photo { order: 0; }
    .hero-photo img { width: min(100%, 420px); }
}

/* ---------- Cards ---------- */
.cards { display: grid; gap: 20px; }
.cards-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card {
    background: var(--color-white);
    border-radius: var(--border-radius-medium);
    padding: 26px;
    box-shadow: var(--shadow-soft);
    transition: transform 0.2s ease-in-out, box-shadow 0.2s;
}
.cards .card:hover { transform: translateY(-4px); box-shadow: 0 10px 20px rgba(71, 62, 55, 0.12); }
.card > :last-child { margin-bottom: 0; }
.card h3 { color: var(--color-desaturated-blue); font-size: 1.25rem; }
.card-abbr {
    display: inline-block;
    font-family: var(--font-serif);
    font-weight: 900;
    font-size: 1.1rem;
    color: var(--color-dark-brown);
    background: var(--color-light-taupe);
    border-radius: var(--border-radius-soft);
    padding: 0.2em 0.6em;
    margin-bottom: 0.6em;
}
.card-flat { background: rgba(255, 255, 255, 0.85); box-shadow: none; border: 1px solid rgba(138, 126, 115, 0.35); }
.card-feature { border-top: 5px solid var(--color-desaturated-blue); }
.card-feature h2 { border-bottom: 2px solid var(--color-medium-gray-taupe); padding-bottom: 0.25em; }

.highlight {
    background: var(--color-white);
    border-left: 6px solid var(--color-desaturated-blue);
    border-radius: var(--border-radius-medium);
    padding: 24px 26px;
    box-shadow: var(--shadow-soft);
}
.highlight > :last-child { margin-bottom: 0; }
.chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li {
    background: var(--color-light-taupe);
    color: var(--color-dark-brown);
    border-radius: 999px;
    padding: 0.35em 0.9em;
    font-size: 0.95rem;
}

/* Steps */
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 20px; counter-reset: step; }
@media (min-width: 760px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step { position: relative; padding: 24px 22px 22px; background: var(--color-cream); border-radius: var(--border-radius-medium); border: 1px solid rgba(138, 126, 115, 0.3); }
.step-num {
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--color-desaturated-blue); color: var(--color-white);
    font-family: var(--font-serif); font-weight: 900; font-size: 1.2rem;
    margin-bottom: 12px;
}
.step h3 { font-size: 1.15rem; }
.step p { margin: 0; }

.cta-band { padding-bottom: 60px; }
.cta-band h2 { margin-top: 0.5em; }

/* ---------- Lists ---------- */
.plain-list { list-style: none; margin: 0 0 1em; padding: 0; }
.plain-list li { margin: 0.2em 0; }
.bullet-list { padding-left: 1.2em; margin: 0 0 1.2em; }
.bullet-list li { margin: 0.35em 0; }
.check-list { list-style: none; margin: 0; padding: 0; }
.check-list li { position: relative; padding-left: 1.6em; margin: 0.5em 0; }
.check-list li::before {
    content: "\2713";
    position: absolute; left: 0; top: 0;
    color: var(--color-desaturated-blue); font-weight: 700;
}

/* ---------- About ---------- */
.about-grid { display: grid; gap: 28px; }
.about-side .portrait { width: min(100%, 340px); display: block; margin: 0 auto 20px; border-radius: var(--border-radius-large); border: 6px solid var(--color-white); box-shadow: 0 10px 24px rgba(71, 62, 55, 0.15); }
.about-main h2 { margin-top: 1.4em; border-bottom: 2px solid var(--color-desaturated-blue); padding-bottom: 0.2em; }
.about-main .btn { margin-top: 0.5rem; }
.logos-inline { display: flex; gap: 18px; align-items: center; margin: 0 0 1.5rem; }
.logos-inline img { background: var(--color-white); border-radius: var(--border-radius-soft); padding: 6px; }
@media (min-width: 860px) {
    .about-grid { grid-template-columns: 1fr 2fr; gap: 48px; align-items: start; }
    .about-side { position: sticky; top: calc(var(--header-h) + 16px); }
}

/* ---------- Services ---------- */
.services-grid { display: grid; gap: 24px; }
@media (min-width: 860px) { .services-grid { grid-template-columns: 2fr 1fr; align-items: start; } }
.details { margin: 0; display: grid; gap: 12px; }
.details div { border-bottom: 1px solid rgba(138, 126, 115, 0.3); padding-bottom: 10px; }
.details div:last-child { border-bottom: 0; padding-bottom: 0; }
.details dt { font-weight: 700; color: var(--color-dark-brown); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; }
.details dd { margin: 0.15em 0 0; }

/* ---------- FAQ accordion ---------- */
.faq-list { display: grid; gap: 14px; }
.faq-item {
    background: var(--color-white);
    border-radius: var(--border-radius-medium);
    box-shadow: var(--shadow-soft);
    border-left: 5px solid var(--color-lighter-desaturated-blue);
}
.faq-item[open] { border-left-color: var(--color-desaturated-blue); }
.faq-item summary {
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    cursor: pointer; list-style: none;
    padding: 18px 22px;
    border-radius: var(--border-radius-medium);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { background: rgba(239, 235, 226, 0.6); }
.faq-q { font-size: 1.15rem; margin: 0; color: var(--color-dark-brown); }
.faq-icon {
    flex: 0 0 auto; width: 28px; height: 28px; border-radius: 50%;
    background: var(--color-light-taupe); position: relative;
}
.faq-icon::before, .faq-icon::after {
    content: ""; position: absolute; background: var(--color-dark-brown); border-radius: 1px;
    top: 50%; left: 50%; transform: translate(-50%, -50%);
}
.faq-icon::before { width: 14px; height: 2px; }
.faq-icon::after { width: 2px; height: 14px; transition: transform 0.2s; }
.faq-item[open] .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-a { padding: 0 22px 20px; }
.faq-a p:last-child { margin-bottom: 0; }
.faq-more { margin-top: 44px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; gap: 24px; }
@media (min-width: 900px) { .contact-grid { grid-template-columns: 3fr 2fr; align-items: start; } }
.card-form h2 { margin-top: 0; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 700; margin-bottom: 6px; }
.req { font-weight: 400; font-size: 0.9em; }
.form-group input, .form-group textarea {
    width: 100%;
    font: inherit;
    color: var(--color-dark-brown);
    background: var(--color-white);
    padding: 12px 14px;
    border: 1px solid var(--color-medium-gray-taupe);
    border-radius: var(--border-radius-soft);
}
.form-group input:focus, .form-group textarea:focus {
    outline: 3px solid var(--color-lighter-desaturated-blue);
    outline-offset: 1px;
    border-color: var(--color-desaturated-blue);
}
.form-group textarea { resize: vertical; min-height: 160px; }
.has-error input, .has-error textarea { border: 2px solid var(--color-dark-brown); }
.field-error { margin: 6px 0 0; font-weight: 700; font-size: 0.92rem; }
.field-error::before { content: "\2716\00a0"; color: var(--color-desaturated-blue); }
.form-note { font-size: 0.9rem; margin-bottom: 20px; }
.hp-field { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.contact-email { font-size: 1.1rem; font-weight: 700; word-break: break-all; }

.notice {
    display: block;
    border-radius: var(--border-radius-soft);
    padding: 14px 16px;
    margin-bottom: 20px;
    background: var(--color-light-taupe);
    border-left: 5px solid var(--color-desaturated-blue);
    font-weight: 700;
}
.notice i { margin-right: 8px; color: var(--color-desaturated-blue); }
.notice-error { border-left-color: var(--color-dark-brown); }
.notice-error i { color: var(--color-dark-brown); }

/* ---------- Legal pages ---------- */
.legal h2 { font-size: 1.3rem; margin-top: 1.8em; color: var(--color-desaturated-blue); }
.legal ul { padding-left: 1.2em; }
.legal li { margin: 0.35em 0; }

/* ---------- Footer ---------- */
.site-footer {
    background: var(--color-dark-brown);
    color: var(--color-light-taupe);
    padding: 44px 0 24px;
    margin-top: 40px;
    font-size: 0.95rem;
}
.site-footer a { color: var(--color-light-taupe); text-decoration-color: var(--color-lighter-desaturated-blue); display: inline-block; padding: 0.3rem 0; }
.site-footer a:hover { color: var(--color-white); text-decoration-color: var(--color-white); }
.site-footer i { color: var(--color-lighter-desaturated-blue); }
.footer-grid { display: grid; gap: 28px; }
@media (min-width: 640px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .footer-grid { grid-template-columns: 1.3fr 1.1fr 0.9fr 0.8fr; } }
.footer-h {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-light-taupe);
    margin: 0 0 0.6em;
    padding-bottom: 4px;
    border-bottom: 2px solid var(--color-lighter-desaturated-blue);
    display: inline-block;
}
.footer-col .footer-h + .footer-h, .footer-col ul + .footer-h { margin-top: 1.4em; }
.footer-contact a { display: inline-block; margin: 2px 0; }
.footer-logos { display: flex; gap: 16px; align-items: flex-start; flex-wrap: wrap; }
.footer-logos img { background: var(--color-white); border-radius: var(--border-radius-soft); padding: 8px; }
.footer-emergency { margin: 30px 0 0; padding-top: 20px; border-top: 1px solid rgba(239, 235, 226, 0.2); font-size: 0.9rem; }
.footer-bottom {
    display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 20px;
    margin-top: 16px; padding-top: 16px;
    border-top: 1px solid rgba(239, 235, 226, 0.2);
    font-size: 0.88rem;
}
.footer-legal { display: inline-flex; gap: 8px; }

/* ---------- Motion ---------- */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; animation: none !important; }
    .btn-primary:hover, .cards .card:hover { transform: none; }
}

@media print {
    .site-header, .site-footer, .btn, .skip-link, body::before { display: none !important; }
    body { background: #fff; color: #000; }
}