/* ===========================================================
   OKA International - Global Styles
   Brand palette
     Primary (Dark Blue) #151F42
     White                #FFFFFF
     Light Gray (BG)      #F5F6F8
     Medium Gray (Text)   #969991
     Neutral Gray (UI)    #B9BCC6
   Typography
     Headings : Comfortaa
     Body     : Inter
=========================================================== */

:root {
    --color-primary:        #151F42;
    --color-primary-700:    #1d2a59;
    --color-primary-50:     #eef0f7;
    --color-white:          #FFFFFF;
    --color-bg:             #F5F6F8;
    --color-text-muted:     #969991;
    --color-border:         #B9BCC6;
    --color-text:           #1A2240;

    --shadow-sm: 0 1px 2px rgba(21, 31, 66, .06);
    --shadow-md: 0 8px 24px rgba(21, 31, 66, .08);
    --shadow-lg: 0 18px 48px rgba(21, 31, 66, .12);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-pill: 999px;

    --font-heading: 'Comfortaa', system-ui, sans-serif;
    --font-body:    'Inter', 'Open Sans', system-ui, sans-serif;

    --container: 1200px;

    --header-h: 84px;

    --transition: 250ms cubic-bezier(.4, 0, .2, 1);
}

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

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    color: var(--color-text);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover { color: var(--color-primary-700); }

ul { padding: 0; margin: 0; list-style: none; }

button {
    font: inherit;
    color: inherit;
    border: 0;
    background: none;
    cursor: pointer;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    line-height: 1.2;
    margin: 0 0 .6em;
    font-weight: 700;
    letter-spacing: -.01em;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; }

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--color-primary);
    color: #fff;
    padding: 8px 16px;
    z-index: 9999;
}
.skip-link:focus { left: 8px; top: 8px; }

.eyebrow {
    display: inline-block;
    font-family: var(--font-body);
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 14px;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}
.section-header h2 { position: relative; display: inline-block; }
.section-header h2::after {
    content: "";
    display: block;
    width: 56px;
    height: 3px;
    margin: 12px auto 0;
    border-radius: 999px;
    background: var(--color-primary);
}

.icon { flex-shrink: 0; }

/* -----------------------------------------------------------
   Buttons
----------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: .95rem;
    line-height: 1;
    letter-spacing: .02em;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition);
    white-space: nowrap;
    text-align: center;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn .icon { width: 16px; height: 16px; }

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
}
.btn-primary:hover { background: var(--color-primary-700); color: #fff; }

.btn-secondary {
    background: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-primary);
}
.btn-secondary:hover { background: var(--color-primary); color: #fff; }

.btn-light {
    background: var(--color-white);
    color: var(--color-primary);
}
.btn-light:hover { background: var(--color-bg); }

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-border);
}
.btn-outline:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.btn:disabled,
.btn[aria-disabled="true"] {
    opacity: .55;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}
.btn:disabled:hover,
.btn[aria-disabled="true"]:hover {
    transform: none;
    box-shadow: none;
}

/* -----------------------------------------------------------
   Site Header
----------------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    background: var(--color-white);
    border-bottom: 1px solid transparent;
    z-index: 100;
    transition: box-shadow var(--transition), border-color var(--transition);
}
.site-header.is-scrolled {
    box-shadow: var(--shadow-sm);
    border-bottom-color: var(--color-bg);
}
.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    min-height: var(--header-h);
}
.site-logo img { width: auto; height: 82px; }

.site-nav { display: flex; align-items: center; }
.site-nav__menu {
    display: flex;
    gap: 32px;
}
.site-nav__menu a {
    position: relative;
    font-weight: 500;
    font-size: .9rem;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--color-text);
    padding: 8px 0;
}
.site-nav__menu a:hover { color: var(--color-primary); }
.site-nav__menu a.is-active {
    color: var(--color-primary);
}
.site-nav__menu a.is-active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
}
.site-nav__cta-mobile { display: none; }
.site-nav__toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
}
.site-nav__toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}
.site-nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.site-nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 1024px) {
    .site-nav__cta { display: none; }
    .site-nav__toggle { display: flex; }
    .site-nav__menu {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        gap: 0;
        background: var(--color-white);
        padding: 24px;
        border-top: 1px solid var(--color-bg);
        transform: translateX(100%);
        transition: transform var(--transition);
        overflow-y: auto;
    }
    .site-nav__menu.is-open { transform: translateX(0); }
    .site-nav__menu li { border-bottom: 1px solid var(--color-bg); }
    .site-nav__menu a {
        display: block;
        padding: 18px 4px;
        font-size: 1rem;
        text-transform: none;
        letter-spacing: 0;
    }
    .site-nav__menu a.is-active::after { display: none; }
    .site-nav__cta-mobile { display: block; padding-top: 16px; border-bottom: 0; }
    .site-nav__cta-mobile .btn { width: 100%; }
}

/* -----------------------------------------------------------
   Language switcher (header)
----------------------------------------------------------- */
.lang-switch { position: relative; }
.lang-switch__toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    background: #fff;
    color: var(--color-primary);
    font-weight: 600;
    font-size: .85rem;
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
}
.lang-switch__toggle:hover { border-color: var(--color-primary); }
.lang-switch__menu {
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    min-width: 170px;
    background: #fff;
    border: 1px solid var(--color-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: 6px;
    list-style: none;
    margin: 0;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-4px);
    transition: all var(--transition);
    z-index: 200;
}
.lang-switch.is-open .lang-switch__menu {
    visibility: visible;
    opacity: 1;
    transform: none;
}
.lang-switch__menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: .9rem;
    font-weight: 500;
}
.lang-switch__menu a:hover { background: var(--color-bg); color: var(--color-primary); }
.lang-switch__menu a.is-active { background: var(--color-primary); color: #fff; }

@media (max-width: 1024px) {
    .lang-switch__toggle { padding: 6px 10px; }
    .lang-switch__code { display: none; }
}

/* -----------------------------------------------------------
   Hero (default)
----------------------------------------------------------- */
.hero {
    position: relative;
    background: var(--color-primary);
    color: var(--color-white);
    overflow: hidden;
}
.hero__inner {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    align-items: center;
    gap: 40px;
    padding: 80px 0;
}
.hero__inner h1 {
    color: var(--color-white);
    font-size: clamp(2.2rem, 4.5vw, 3.5rem);
    margin-bottom: 16px;
}
.hero__inner h1::after {
    content: "";
    display: block;
    width: 60px;
    height: 3px;
    background: var(--color-white);
    border-radius: 999px;
    margin-top: 20px;
}
.hero__inner .eyebrow {
    color: var(--color-white);
    opacity: .85;
}
.hero__inner p {
    color: rgba(255, 255, 255, .85);
    font-size: 1.05rem;
    max-width: 520px;
    margin-bottom: 28px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__media img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    border-radius: var(--radius-md);
}

/* Variant: hero with light side */
.hero--split {
    background: var(--color-bg);
    color: var(--color-text);
}
.hero--split .hero__inner h1 { color: var(--color-primary); }
.hero--split .hero__inner h1::after { background: var(--color-primary); }
.hero--split .hero__inner p { color: var(--color-text-muted); }
.hero--split .eyebrow { color: var(--color-primary); }

/* Variant: large dark hero (Home, Courses) */
.hero--cover {
    color: #fff;
    isolation: isolate;
}
.hero--cover .hero__inner { padding: 100px 0; }
.hero--cover::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(21, 31, 66, .92), rgba(21, 31, 66, .55));
    z-index: -1;
}
.hero--cover .hero__bg {
    position: absolute;
    inset: 0;
    z-index: -2;
    background-size: cover;
    background-position: center;
}
.hero--cover .hero__media img { box-shadow: var(--shadow-lg); }

@media (max-width: 900px) {
    .hero__inner { grid-template-columns: 1fr; padding: 56px 0; }
    .hero--cover .hero__inner { padding: 70px 0; }
    .hero__media img { height: 320px; }
}

/* -----------------------------------------------------------
   Stats strip (Home page)
----------------------------------------------------------- */
.stats {
    background: var(--color-white);
    padding: 36px 0;
    border-bottom: 1px solid var(--color-bg);
}
.stats__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    align-items: flex-start;
}
.stats__item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}
.stats__icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-bg);
    color: var(--color-primary);
    display: grid;
    place-items: center;
    flex-shrink: 0;
}
.stats__item strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--color-primary);
}
.stats__item p {
    margin: 0;
    color: var(--color-text-muted);
    font-size: .92rem;
}
@media (max-width: 900px) {
    .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
}
@media (max-width: 480px) {
    .stats__grid { grid-template-columns: 1fr; }
}

/* -----------------------------------------------------------
   Section spacing
----------------------------------------------------------- */
.section { padding: 80px 0; }
.section--bg { background: var(--color-bg); }
.section--dark {
    background: var(--color-primary);
    color: #fff;
}
.section--dark h2, .section--dark h3, .section--dark .eyebrow { color: #fff; }
.section--dark p { color: rgba(255, 255, 255, .8); }
.section--dark .section-header h2::after { background: rgba(255, 255, 255, .6); }

@media (max-width: 720px) { .section { padding: 56px 0; } }

/* -----------------------------------------------------------
   Card grids (services / inspection / training)
----------------------------------------------------------- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}
.card-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card-grid--6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }

@media (max-width: 1100px) {
    .card-grid--6 { grid-template-columns: repeat(3, 1fr); }
    .card-grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
    .card-grid--3, .card-grid--4, .card-grid--6 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
    .card-grid--3, .card-grid--4, .card-grid--6 { grid-template-columns: 1fr; }
}

.card {
    background: var(--color-white);
    border: 1px solid var(--color-bg);
    border-radius: var(--radius-md);
    padding: 28px;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}
.card__icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-bg);
    color: var(--color-primary);
    display: grid;
    place-items: center;
    margin-bottom: 18px;
}
.card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.card p {
    color: var(--color-text-muted);
    font-size: .92rem;
    margin: 0 0 16px;
    flex-grow: 1;
}
.card__link {
    color: var(--color-primary);
    font-weight: 600;
    font-size: .9rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.card__link::after {
    content: "→";
    transition: transform var(--transition);
}
.card__link:hover::after { transform: translateX(4px); }

/* compact variant: home page services row */
.card--compact { padding: 22px; text-align: center; }
.card--compact .card__icon { margin: 0 auto 14px; width: 52px; height: 52px; }
.card--compact .card__link { justify-content: center; }

/* -----------------------------------------------------------
   Two-column generic block (image + content)
----------------------------------------------------------- */
.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}
.split--reverse > :first-child { order: 2; }
.split__media img {
    width: 100%;
    height: 100%;
    max-height: 460px;
    object-fit: cover;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}
@media (max-width: 900px) {
    .split { grid-template-columns: 1fr; gap: 32px; }
    .split--reverse > :first-child { order: 0; }
}

/* -----------------------------------------------------------
   Process / steps
----------------------------------------------------------- */
.process {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    counter-reset: step;
    position: relative;
    list-style: none;
    padding: 0;
    margin: 0;
}
.process::before {
    content: "";
    position: absolute;
    top: 22px;
    left: 4%;
    right: 4%;
    border-top: 1px dashed var(--color-border);
    z-index: 0;
}
.process__item {
    text-align: center;
    position: relative;
    z-index: 1;
}
.process__num {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: grid;
    place-items: center;
    margin: 0 auto 12px;
    font-family: var(--font-heading);
    font-weight: 700;
}
.process__item strong {
    display: block;
    color: var(--color-primary);
    font-family: var(--font-heading);
    margin-bottom: 6px;
}
.process__item p {
    color: var(--color-text-muted);
    font-size: .88rem;
    margin: 0;
}
@media (max-width: 1024px) {
    .process { grid-template-columns: repeat(3, 1fr); gap: 32px 20px; }
    .process::before { display: none; }
}
@media (max-width: 600px) {
    .process { grid-template-columns: repeat(2, 1fr); }
}

/* -----------------------------------------------------------
   Feature list with check marks
----------------------------------------------------------- */
.check-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 28px;
    margin: 0 0 24px;
}
.check-list li {
    display: flex;
    gap: 10px;
    align-items: center;
    color: var(--color-text);
    font-size: .95rem;
}
.check-list li::before {
    content: "";
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    flex-shrink: 0;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
    background-size: 12px;
    background-position: center;
    background-repeat: no-repeat;
}
@media (max-width: 600px) { .check-list { grid-template-columns: 1fr; } }

/* -----------------------------------------------------------
   Inspection block on home page
----------------------------------------------------------- */
.inspection-block {
    background: var(--color-bg);
    padding: 80px 0;
}
.inspection-block .split { gap: 48px; }

/* -----------------------------------------------------------
   Featured course (Courses page)
----------------------------------------------------------- */
.featured-course {
    background: var(--color-white);
    border: 1px solid var(--color-bg);
    border-radius: var(--radius-md);
    padding: 36px;
    box-shadow: var(--shadow-sm);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    align-items: center;
}
.featured-course__image img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    border-radius: var(--radius-md);
}
.featured-course__tag {
    display: inline-block;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    background: var(--color-primary-50);
    color: var(--color-primary);
    font-size: .75rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 14px;
}
@media (max-width: 900px) {
    .featured-course { grid-template-columns: 1fr; padding: 24px; }
}

/* -----------------------------------------------------------
   Why-us mini cards (icon + title + text)
----------------------------------------------------------- */
.benefits-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.benefit {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}
.benefit__icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-primary-50);
    color: var(--color-primary);
    display: grid;
    place-items: center;
    flex-shrink: 0;
}
.benefit h3 { font-size: 1rem; margin-bottom: 4px; }
.benefit p { margin: 0; color: var(--color-text-muted); font-size: .9rem; }
@media (max-width: 600px) { .benefits-grid { grid-template-columns: 1fr; } }

/* -----------------------------------------------------------
   Course details (designed for / formats)
----------------------------------------------------------- */
.course-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.course-details > article { display: flex; gap: 18px; }
.course-details__icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--color-bg);
    color: var(--color-primary);
    display: grid;
    place-items: center;
    flex-shrink: 0;
}
.course-details ul {
    margin: 0;
    color: var(--color-text-muted);
    font-size: .92rem;
}
.course-details ul li { padding: 4px 0; }
.course-details ul li::before {
    content: "•";
    color: var(--color-primary);
    margin-right: 8px;
}
@media (max-width: 900px) {
    .course-details { grid-template-columns: 1fr; }
}

/* -----------------------------------------------------------
   Contact help cards
----------------------------------------------------------- */
.help-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.help-card {
    text-align: center;
    padding: 32px 22px;
    border-radius: var(--radius-md);
    transition: background var(--transition);
}
.help-card:hover { background: var(--color-bg); }
.help-card__icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-bg);
    color: var(--color-primary);
    display: grid;
    place-items: center;
    margin: 0 auto 14px;
}
.help-card h3 { margin-bottom: 6px; font-size: 1.05rem; }
.help-card p { color: var(--color-text-muted); font-size: .9rem; }
.help-card a {
    color: var(--color-primary);
    font-weight: 600;
    font-size: .9rem;
}
@media (max-width: 900px) { .help-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .help-grid { grid-template-columns: 1fr; } }

/* -----------------------------------------------------------
   Contact form
----------------------------------------------------------- */
.contact-section {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 48px;
}
@media (max-width: 1024px) { .contact-section { grid-template-columns: 1fr; } }

.contact-form {
    background: var(--color-bg);
    padding: 36px;
    border-radius: var(--radius-md);
}
.contact-form h2 { margin-bottom: 24px; }
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}
.form-field { display: flex; flex-direction: column; }
.form-field--full { grid-column: 1 / -1; }
.form-field input,
.form-field textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-white);
    font: inherit;
    color: var(--color-text);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form-field textarea { resize: vertical; min-height: 130px; }
.form-field input:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(21, 31, 66, .12);
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: #a8aab3; }
.form-checkbox {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin: 4px 0 18px;
    color: var(--color-text-muted);
    font-size: .85rem;
}
.form-checkbox input { margin-top: 4px; }
.form-checkbox a { color: var(--color-primary); text-decoration: underline; }

@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

.form-alert {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: .9rem;
}
.form-alert--success {
    background: #e8f4ec;
    color: #1d6e3a;
    border: 1px solid #b8e0c5;
}
.form-alert--error {
    background: #fbeaea;
    color: #b1342a;
    border: 1px solid #f0c1bd;
}

.puzzle-captcha {
    margin: 4px 0 18px;
    padding: 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-white);
}
.puzzle-captcha__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
}
.puzzle-captcha__label {
    font-size: .88rem;
    font-weight: 600;
    color: var(--color-text);
}
.puzzle-captcha__status {
    font-size: .82rem;
    font-weight: 600;
    color: var(--color-text-muted);
}
.puzzle-captcha.is-verified .puzzle-captcha__status { color: #1d6e3a; }
.puzzle-captcha.is-failed .puzzle-captcha__status { color: #b1342a; }
.puzzle-captcha__board {
    position: relative;
    width: 100%;
    max-width: 310px;
    height: 120px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid rgba(21, 31, 66, .12);
    background: #101833;
}
.puzzle-captcha__bg {
    display: block;
    width: 100%;
    height: auto;
}
.puzzle-captcha__piece {
    position: absolute;
    top: 0;
    left: 0;
    width: 38px;
    height: 120px;
    pointer-events: none;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, .28));
    will-change: transform;
}
.puzzle-captcha__slot {
    position: absolute;
    pointer-events: none;
    border-radius: 2px;
}
.puzzle-captcha__slider { margin-top: 10px; }
.puzzle-captcha__track {
    position: relative;
    height: 38px;
    border-radius: 999px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    overflow: hidden;
    touch-action: none;
}
.puzzle-captcha__fill {
    position: absolute;
    inset: 0 auto 0 0;
    width: 0;
    background: rgba(21, 31, 66, .08);
    pointer-events: none;
}
.puzzle-captcha__handle {
    position: absolute;
    top: 3px;
    left: 0;
    width: 32px;
    height: 32px;
    margin-left: -16px;
    border: 0;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: grab;
    box-shadow: var(--shadow-md);
    transition: background var(--transition), transform var(--transition);
}
.puzzle-captcha.is-dragging .puzzle-captcha__handle { cursor: grabbing; }
.puzzle-captcha.is-verified .puzzle-captcha__handle {
    background: #1d6e3a;
    cursor: default;
}
.puzzle-captcha.is-failed .puzzle-captcha__track {
    animation: puzzle-shake .45s ease;
    border-color: #d88;
}
.puzzle-captcha.is-verified {
    border-color: #b8e0c5;
    box-shadow: 0 0 0 3px rgba(29, 110, 58, .08);
}
.puzzle-captcha__hint {
    margin: 10px 0 0;
    font-size: .82rem;
    color: var(--color-text-muted);
}
.puzzle-captcha__error {
    margin: -8px 0 14px;
    font-size: .85rem;
    color: #b1342a;
}
@keyframes puzzle-shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

/* Office card */
.office-card {
    padding: 36px;
    border-radius: var(--radius-md);
    background: var(--color-white);
    border: 1px solid var(--color-bg);
    box-shadow: var(--shadow-sm);
}
.office-card h3 {
    display: flex;
    align-items: center;
    gap: 10px;
}
.office-card__list { display: grid; gap: 14px; margin: 18px 0 24px; }
.office-card__list li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    color: var(--color-text);
}
.office-card__list .icon { color: var(--color-primary); margin-top: 4px; }
.office-card__map { background: var(--color-bg); border-radius: var(--radius-md); padding: 20px; }
.office-card__map img { border-radius: var(--radius-sm); }

/* -----------------------------------------------------------
   FAQ accordion
----------------------------------------------------------- */
.faq { max-width: 820px; margin: 0 auto; }
.faq__item {
    border-bottom: 1px solid var(--color-bg);
}
.faq__item details { padding: 18px 4px; }
.faq__item summary {
    list-style: none;
    cursor: pointer;
    font-weight: 600;
    color: var(--color-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
    content: "+";
    font-size: 1.4rem;
    color: var(--color-primary);
    transition: transform var(--transition);
    line-height: 1;
}
.faq__item[open] summary::after { content: "−"; }
.faq__item p {
    margin: 12px 0 0;
    color: var(--color-text-muted);
    font-size: .95rem;
}

/* -----------------------------------------------------------
   CTA banner (dark)
----------------------------------------------------------- */
.cta-banner {
    background: var(--color-primary);
    color: #fff;
    padding: 36px;
    border-radius: var(--radius-md);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 24px;
    justify-content: space-between;
}
.cta-banner__content { display: flex; align-items: center; gap: 18px; flex: 1 1 320px; }
.cta-banner__icon {
    width: 60px; height: 60px; border-radius: 50%;
    background: rgba(255, 255, 255, .14);
    color: #fff;
    display: grid; place-items: center;
    flex-shrink: 0;
}
.cta-banner h2 { color: #fff; margin: 0 0 4px; font-size: 1.4rem; }
.cta-banner p  { color: rgba(255, 255, 255, .85); margin: 0; font-size: .95rem; }

/* -----------------------------------------------------------
   About-specific
----------------------------------------------------------- */
.about-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    text-align: center;
}
.about-highlight__icon {
    width: 56px; height: 56px; border-radius: 50%;
    background: var(--color-bg);
    color: var(--color-primary);
    display: grid; place-items: center;
    margin: 0 auto 14px;
}
.about-highlight strong {
    display: block;
    font-family: var(--font-heading);
    color: var(--color-primary);
    font-size: 1.6rem;
    margin: 6px 0 4px;
}
.about-highlight p { color: var(--color-text-muted); margin: 0; }
@media (max-width: 720px) {
    .about-highlights { grid-template-columns: 1fr; gap: 24px; }
}

.difference-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
    text-align: center;
}
.difference-grid h3 { font-size: 1rem; margin-top: 6px; }
.difference-grid p  { color: var(--color-text-muted); font-size: .88rem; }
@media (max-width: 1024px) { .difference-grid { grid-template-columns: repeat(2, 1fr); text-align: left; } }
@media (max-width: 600px)  { .difference-grid { grid-template-columns: 1fr; } }

/* -----------------------------------------------------------
   Footer
----------------------------------------------------------- */
.site-footer {
    background: var(--color-primary);
    color: rgba(255, 255, 255, .8);
    padding-top: 64px;
    margin-top: 0;
}
.site-footer__grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr 1.3fr;
    gap: 40px;
    padding-bottom: 48px;
}
.site-footer h2 {
    color: #fff;
    font-size: 1rem;
    letter-spacing: .04em;
    margin-bottom: 18px;
}
.site-footer ul li { padding: 4px 0; }
.site-footer__brand img { width: 160px; height: auto; margin-bottom: 14px; }
.site-footer__brand p { color: rgba(255, 255, 255, .7); margin-bottom: 18px; }
.site-footer__social { display: flex; gap: 10px; }
.site-footer__social a {
    width: 36px; height: 36px; border-radius: 50%;
    background: rgba(255, 255, 255, .08);
    color: #fff;
    display: grid; place-items: center;
    transition: background var(--transition);
}
.site-footer__social a:hover { background: rgba(255, 255, 255, .18); color: #fff; }

.site-footer__col a {
    color: rgba(255, 255, 255, .8);
    font-size: .92rem;
}
.site-footer__col a:hover { color: #fff; }

.site-footer__contact ul li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    font-size: .92rem;
    color: rgba(255, 255, 255, .8);
    padding: 6px 0;
}
.site-footer__contact .icon { color: rgba(255, 255, 255, .9); margin-top: 3px; }
.site-footer__contact a { color: rgba(255, 255, 255, .85); }

.site-footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, .12);
    padding: 18px 0;
    font-size: .85rem;
    color: rgba(255, 255, 255, .6);
    text-align: center;
}
.site-footer__bottom p { margin: 0; }

@media (max-width: 1024px) {
    .site-footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 600px) {
    .site-footer__grid { grid-template-columns: 1fr; }
}

/* -----------------------------------------------------------
   Service detail page
----------------------------------------------------------- */
.service-detail__icon-card {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: 48px 24px;
    text-align: center;
    color: var(--color-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}
.service-detail__icon-card strong {
    font-family: 'Comfortaa', sans-serif;
    font-size: 1.2rem;
    color: var(--color-primary);
}
.service-detail__big-icon { display: inline-flex; }

.service-detail__layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 48px;
    align-items: start;
}

.service-detail__content {
    color: var(--color-text);
    line-height: 1.7;
    font-size: 1.02rem;
}
.service-detail__content p { margin-bottom: 1.1em; }
.service-detail__content h2,
.service-detail__content h3,
.service-detail__content h4 {
    color: var(--color-primary);
    font-family: 'Comfortaa', sans-serif;
    margin-top: 1.6em;
}
.service-detail__content ul,
.service-detail__content ol { margin: 0 0 1.2em 1.4em; }
.service-detail__content li { margin-bottom: .4em; }
.service-detail__content a { color: var(--color-primary); text-decoration: underline; }

.service-detail__aside { display: grid; gap: 18px; position: sticky; top: 100px; }

.aside-card {
    background: #fff;
    border: 1px solid var(--color-bg);
    border-radius: var(--radius-md);
    padding: 22px;
    box-shadow: var(--shadow-sm);
}
.aside-card h3 {
    margin: 0 0 14px;
    color: var(--color-primary);
    font-family: 'Comfortaa', sans-serif;
    font-size: 1.05rem;
}
.aside-card ul { list-style: none; padding: 0; margin: 0; }
.aside-card li + li { margin-top: 4px; }
.aside-card li a {
    display: grid;
    grid-template-columns: 22px 1fr 14px;
    gap: 10px;
    align-items: center;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-weight: 500;
    transition: background var(--transition), color var(--transition);
}
.aside-card li a:hover { background: var(--color-bg); color: var(--color-primary); }
.aside-card__icon { display: inline-flex; color: var(--color-primary); }
.aside-card__chev { color: var(--color-text-muted); }

.aside-card--accent {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.aside-card--accent h3,
.aside-card--accent p { color: #fff; }
.aside-card--accent p { margin: 0 0 16px; opacity: .85; }

.cta-banner--inline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    background: var(--color-bg);
    color: var(--color-primary);
    padding: 18px 22px;
    border-radius: var(--radius-md);
    flex-wrap: wrap;
}
.cta-banner--inline .cta-banner__icon {
    background: #fff;
    color: var(--color-primary);
}

@media (max-width: 1024px) {
    .service-detail__layout { grid-template-columns: 1fr; }
    .service-detail__aside  { position: static; }
}

/* -----------------------------------------------------------
   Utilities
----------------------------------------------------------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-2 { margin-top: 2rem; }
.flex { display: flex; }
.gap-3 { gap: 1rem; }

/* Animation: subtle fade-in on scroll (handled in JS) */
[data-anim] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity .7s ease, transform .7s ease;
}
[data-anim].is-visible {
    opacity: 1;
    transform: none;
}