/* ============================================================
   ENGLUND THEME – PÄÄTYYLI
   ============================================================
   1.  CSS Custom Properties
   2.  Reset & Base
   3.  Typography
   4.  Layout & Container
   5.  Buttons
   6.  Header & Navigation
   7.  Hero
   8.  Section (yleinen)
   9.  Cards (palvelut & referenssit)
   10. Testimonials
   11. CTA-osio
   12. Contact Form
   13. Page / Single
   14. Archive
   15. Footer
   16. Utilities
   17. Responsive
   ============================================================ */

/* ── 1. CSS Custom Properties ──────────────────────────────── */
:root {
    /* Värit – turkoosi paletti PDF-layoutin mukaan */
    --clr-primary:   #2D8B8B;   /* turkoosi */
    --clr-primary-d: #1F5F60;   /* tumma turkoosi (footer) */
    --clr-accent:    #2D8B8B;   /* sama kuin primary */
    --clr-accent-d:  #1F5F60;
    --clr-light:     #F5F6F8;
    --clr-white:     #FFFFFF;
    --clr-dark:      #1A2E2E;
    --clr-text:      #2A2A2A;
    --clr-muted:     #666666;
    --clr-border:    #E2E8F0;

    /* Typografia */
    --font-heading: 'Montserrat', sans-serif;
    --font-body:    'Inter', sans-serif;
    --text-base:    1rem;
    --text-sm:      0.875rem;
    --text-lg:      1.125rem;
    --text-xl:      1.375rem;
    --text-2xl:     1.75rem;
    --text-3xl:     2.25rem;
    --text-4xl:     3rem;

    /* Välit */
    --space-xs:  0.5rem;
    --space-sm:  1rem;
    --space-md:  1.5rem;
    --space-lg:  2.5rem;
    --space-xl:  4rem;
    --space-2xl: 6rem;

    /* Reunat */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-corner: 20px;   /* Large corner radius for reference look */

    /* Box background: exact turquoise from reference (#00717c) with opacity */
    --box-bg: rgba(0, 113, 124, 0.92);

    /* Varjot */
    --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,.10);
    --shadow-lg: 0 8px 32px rgba(0,0,0,.14);

    /* Animaatiot */
    --transition: 0.22s ease;
}

/* ── 2. Reset & Base ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--clr-text);
    background: var(--clr-white);
    -webkit-font-smoothing: antialiased;
}

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

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

ul, ol { list-style: none; }

/* ── 3. Typografia ──────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--clr-primary);
}
h1 { font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl)); }
h2 { font-size: clamp(var(--text-xl),  3vw, var(--text-3xl)); }
h3 { font-size: clamp(var(--text-lg),  2.5vw, var(--text-2xl)); }
h4 { font-size: var(--text-xl); }

p { margin-bottom: var(--space-sm); }
p:last-child { margin-bottom: 0; }

/* ── 4. Layout & Container ──────────────────────────────── */
.container {
    width: 100%;
    max-width: 1200px;
    margin-inline: auto;
    padding-inline: var(--space-md);
}

/* ── 5. Buttons ─────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4em;
    padding: 0.7em 1.5em;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
    text-decoration: none;
    line-height: 1.3;
}
.btn--primary {
    background: var(--clr-primary);
    color: var(--clr-white);
    border-color: var(--clr-primary);
}
.btn--primary:hover {
    background: var(--clr-primary-d);
    border-color: var(--clr-primary-d);
    color: var(--clr-white);
}
.btn--accent {
    background: var(--clr-accent);
    color: var(--clr-white);
    border-color: var(--clr-accent);
}
.btn--accent:hover {
    background: var(--clr-accent-d);
    border-color: var(--clr-accent-d);
    color: var(--clr-white);
    box-shadow: var(--shadow-md);
}
.btn--outline {
    background: transparent;
    color: var(--clr-primary);
    border-color: var(--clr-primary);
}
.btn--outline:hover {
    background: var(--clr-primary);
    color: var(--clr-white);
}
.btn--lg { padding: 0.85em 2em; font-size: var(--text-lg); }
.btn--sm { padding: 0.5em 1em;  font-size: var(--text-sm); }

/* ── 6. Header & Navigation ─────────────────────────────── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    background: var(--clr-white);
}

/* Yläpalkki – PDF-layoutissa valkoinen ohut yläpalkki */
.header-topbar {
    background: var(--clr-white);
    color: var(--clr-text);
    font-size: var(--text-sm);
    padding-block: 0.6rem;
    border-bottom: 1px solid var(--clr-border);
}
.header-topbar__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}
.header-topbar__contact { display: flex; gap: var(--space-md); flex-wrap: wrap; }
.header-topbar__link {
    color: var(--clr-text);
    display: inline-flex;
    align-items: center;
    gap: 0.3em;
    transition: color var(--transition);
}
.header-topbar__link:hover { color: var(--clr-primary); }

/* Päänavigaatio */
.site-nav {
    background: var(--clr-white);
    border-bottom: 1px solid var(--clr-border);
}
.site-nav__inner {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding-block: 0.75rem;
    flex-wrap: wrap;
}
.site-nav__brand { text-decoration: none; }
.site-nav__name {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 800;
    color: var(--clr-primary);
    line-height: 1;
}
.site-nav__brand img { height: 52px; width: auto; }

.site-nav__menu {
    display: flex;
    gap: var(--space-xs);
    align-items: center;
    margin-inline-start: auto;
    flex-wrap: wrap;
}
.site-nav__menu li a {
    display: block;
    padding: 0.45em 0.75em;
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--clr-text);
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
}
.site-nav__menu li a:hover,
.site-nav__menu li.current-menu-item > a {
    color: var(--clr-primary);
    background: var(--clr-light);
}
.site-nav__cta { margin-inline-start: var(--space-xs); white-space: nowrap; }

/* Mobiilivalikon nappi */
.site-nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    margin-inline-start: auto;
}
.site-nav__toggle span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--clr-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); }

/* ── 7. Hero ──────────────────────────────────────────────── */
/* PDF-layoutin mukainen: kuva taustana, turkoosi laatikko vasemmalla */
.hero {
    position: relative;
    min-height: 520px;
    display: flex;
    align-items: center;
    background-color: #d9d9d9;
    background-image: var(--hero-bg, none);
    background-size: cover;
    background-position: center;
    overflow: hidden;
    padding-block: var(--space-lg);
}
.hero__overlay { display: none; } /* ei full-overlayta layoutissa */
.hero__content {
    position: relative;
    z-index: 1;
    max-width: 480px;
    background: var(--box-bg);
    color: var(--clr-white);
    padding: var(--space-lg);
    border-radius: 0 var(--radius-corner) 0 var(--radius-corner);
    box-shadow: var(--shadow-lg);
}
.hero__title {
    color: var(--clr-white);
    margin-bottom: var(--space-sm);
    font-size: clamp(var(--text-2xl), 4vw, 2.75rem);
    line-height: 1.15;
}
.hero__desc {
    color: rgba(255,255,255,0.95);
    font-size: var(--text-base);
    margin-bottom: 0;
}
.hero__content .btn { display: none; } /* ei painiketta layoutin mukaan */

/* ── 7b. Intro-laatikot (heron alla) ─────────────────────── */
.intro-section {
    padding-block: var(--space-md);
    background: var(--clr-white);
}
.intro-boxes {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}
.intro-box {
    background: var(--box-bg);
    color: var(--clr-white);
    padding: var(--space-md) var(--space-lg);
    border-radius: 0 var(--radius-corner) 0 var(--radius-corner);
    box-shadow: var(--shadow-sm);
}
.intro-box__title {
    color: var(--clr-white);
    font-size: var(--text-xl);
    margin-bottom: var(--space-sm);
}
.intro-box__text {
    color: rgba(255,255,255,0.95);
    font-size: var(--text-sm);
    margin: 0;
}

/* ── 8. Section (yleinen) ─────────────────────────────────── */
.section { padding-block: var(--space-xl); }
.section--light { background: var(--clr-light); }
.section--primary {
    background: var(--box-bg);
    border-radius: 0 var(--radius-corner) 0 var(--radius-corner);
}

.section__header {
    text-align: center;
    max-width: 640px;
    margin-inline: auto;
    margin-bottom: var(--space-lg);
}
.section__header--light .section__title,
.section__header--light .section__lead { color: var(--clr-white); }
.section__title { margin-bottom: var(--space-xs); }
.section__lead { color: var(--clr-muted); font-size: var(--text-lg); }
.section__subtitle { font-size: var(--text-xl); margin-bottom: var(--space-md); }
.section__cta-wrap { text-align: center; margin-top: var(--space-lg); }

/* ── 9. Cards ─────────────────────────────────────────────── */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--space-md);
}
/* PDF-layoutissa palvelut-osiossa kaikki kortit yhtä isoja (4 kpl) */
.cards-grid--featured {
    grid-template-columns: repeat(4, 1fr);
    margin-bottom: var(--space-md);
}
.cards-grid--3col { grid-template-columns: repeat(3, 1fr); }
.cards-grid--4col { grid-template-columns: repeat(4, 1fr); }

/* Palvelukortit turkoosilla taustalla (etusivun palvelut-osio) */
.section--primary .card {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    color: var(--clr-white);
}
.section--primary .card .card__title a { color: var(--clr-white); }
.section--primary .card .card__title a:hover { color: rgba(255,255,255,0.8); }
.section--primary .card .card__desc { color: rgba(255,255,255,0.85); }
.section--primary .card .btn--outline {
    color: var(--clr-white);
    border-color: var(--clr-white);
}
.section--primary .card .btn--outline:hover {
    background: var(--clr-white);
    color: var(--clr-primary);
}
.card__refs-link {
    margin-top: var(--space-sm);
    color: var(--clr-white);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    border-top: 1px solid rgba(255,255,255,0.25);
    padding-top: var(--space-sm);
}
.card__refs-link:hover { color: rgba(255,255,255,0.7); }

.card {
    background: var(--clr-white);
    border-radius: 0 var(--radius-corner) 0 var(--radius-corner);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }

.card__img-wrap { display: block; overflow: hidden; aspect-ratio: 4/3; }
.card__img-wrap:hover .card__img { transform: scale(1.04); }
.card__img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }

.card--featured .card__img-wrap { aspect-ratio: 16/9; }

.card__body {
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: var(--space-xs);
}
.card__badge {
    display: inline-block;
    background: var(--clr-accent);
    color: var(--clr-white);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.2em 0.7em;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    align-self: flex-start;
}
.card__title {
    font-size: var(--text-lg);
    margin-bottom: 0;
}
.card__title a { color: var(--clr-primary); }
.card__title a:hover { color: var(--clr-accent); }
.card__desc { color: var(--clr-muted); font-size: var(--text-sm); flex: 1; }
.card__meta { font-size: var(--text-sm); color: var(--clr-muted); }
.card__body .btn { margin-top: auto; align-self: flex-start; }

/* ── 10. Testimonials – PDF-layout: 5 yksinkertaista valkolaatikkoa ──── */
.testimonials {
    overflow: hidden;
    padding-block: var(--space-xl);
    background: var(--box-bg);
    border-radius: 0 var(--radius-corner) 0 var(--radius-corner);
}
.testimonials__track {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-sm);
}

.testimonial { display: block; }
.testimonial__quote {
    background: var(--clr-white);
    border-radius: 0;
    padding: var(--space-md);
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    color: var(--clr-text);
}
.testimonial__heading {
    color: var(--clr-primary);
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--space-xs);
}
.testimonial__icon { display: none; }
.testimonial__quote p { font-size: var(--text-sm); color: var(--clr-text); margin: 0; }
.testimonial__name { color: var(--clr-text); font-size: var(--text-sm); margin-top: var(--space-sm); }
.testimonial__author { display: flex; flex-direction: column; gap: 2px; font-size: var(--text-sm); }
.testimonial__author strong { color: var(--clr-primary); font-weight: 700; }
.testimonial__author span  { color: var(--clr-muted); }
.testimonials__nav { display: none; }

.testimonials__nav { display: flex; gap: var(--space-sm); justify-content: center; margin-top: var(--space-md); }
.testimonials__btn {
    width: 44px; height: 44px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.4);
    background: transparent;
    color: var(--clr-white);
    font-size: 1.25rem;
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition);
    display: flex; align-items: center; justify-content: center;
}
.testimonials__btn:hover { background: rgba(255,255,255,0.15); border-color: var(--clr-white); }

/* ── 11. CTA-osio ─────────────────────────────────────────── */
.cta-section__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    flex-wrap: wrap;
}
.cta-section__title { font-size: var(--text-2xl); margin-bottom: var(--space-xs); }
.cta-section__text { flex: 1 1 360px; }
.cta-section__actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    align-items: center;
}

/* ── 12. Contact Form ─────────────────────────────────────── */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
}
.contact-info__list { display: flex; flex-direction: column; gap: var(--space-sm); }
.contact-info__item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    font-size: var(--text-lg);
}
.contact-info__item svg { color: var(--clr-accent); flex-shrink: 0; margin-top: 2px; }

.contact-form { display: flex; flex-direction: column; gap: var(--space-sm); }
.contact-form__row { display: flex; flex-direction: column; gap: 0.3rem; }
.contact-form__label { font-weight: 600; font-size: var(--text-sm); color: var(--clr-primary); }
.contact-form__input {
    width: 100%;
    padding: 0.75em 1em;
    border: 1.5px solid var(--clr-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--clr-text);
    background: var(--clr-white);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.contact-form__input:focus {
    outline: none;
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 3px rgba(28,61,90,0.12);
}
.contact-form__textarea { resize: vertical; min-height: 140px; }
.contact-form__submit { align-self: flex-start; }

.contact-response {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
    display: none;
    font-weight: 600;
}
.contact-response--success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; display: block; }
.contact-response--error   { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; display: block; }

/* Etusivun yhteydenotto-osio (taustakuva + lomake oikealla) */
.contact-section {
    background-color: var(--clr-light);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding-block: var(--space-xl);
}
.contact-section__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}
.contact-section__form-wrap {
    grid-column: 2;
}
.contact-section__title {
    color: var(--clr-primary);
    font-size: var(--text-3xl);
    margin-bottom: var(--space-sm);
}
.contact-section__subtitle {
    color: var(--clr-text);
    font-size: var(--text-lg);
    margin-bottom: var(--space-sm);
}
.contact-section__text {
    color: var(--clr-text);
    font-size: var(--text-base);
    margin-bottom: var(--space-md);
}

/* Pillerimäiset input-kentät (etusivun lomake) */
.contact-form--pill .contact-form__input {
    border-radius: 999px;
    background: var(--clr-white);
    border: 1px solid var(--clr-border);
    padding: 0.85em 1.4em;
    box-shadow: var(--shadow-sm);
}
.contact-form--pill .contact-form__textarea {
    border-radius: 24px;
    min-height: 120px;
    padding: 1em 1.4em;
}
.contact-form__submit--full {
    width: 100%;
    text-align: center;
    justify-content: center;
    padding: 1em;
    letter-spacing: 0.15em;
    font-weight: 700;
}

/* ── 13. Page / Single ────────────────────────────────────── */
.page-content { padding-block: var(--space-xl); max-width: 820px; }
.entry-content > * + * { margin-top: var(--space-sm); }
.entry-title, .entry-content h1,
.entry-content h2, .entry-content h3 { margin-bottom: var(--space-sm); }

.page-hero {
    background: var(--clr-primary-d);
    background-image: var(--hero-bg, none);
    background-size: cover;
    background-position: center;
    position: relative;
    padding-block: var(--space-xl);
}
.page-hero--has-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(28,61,90,0.65);
}
.page-hero__content { position: relative; z-index: 1; color: var(--clr-white); max-width: 720px; }
.page-hero__title { color: var(--clr-white); margin-bottom: var(--space-xs); }
.page-hero__desc { color: rgba(255,255,255,0.85); font-size: var(--text-lg); }

.single-content { padding-block: var(--space-xl); max-width: 820px; }

.referenssi-meta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    background: var(--clr-light);
    border-radius: 0;
    padding: var(--space-sm) var(--space-md);
    margin-bottom: var(--space-lg);
}
.referenssi-meta__item { font-size: var(--text-sm); }

/* ── 14. Archive ─────────────────────────────────────────── */
.archive-hero {
    background: var(--clr-primary);
    color: var(--clr-white);
    padding-block: var(--space-xl);
}
.archive-hero__title { color: var(--clr-white); margin-bottom: var(--space-xs); }
.archive-hero__desc { color: rgba(255,255,255,0.8); font-size: var(--text-lg); max-width: 560px; }

/* ── 15. Footer ──────────────────────────────────────────── */
.site-footer { background: var(--clr-dark); color: rgba(255,255,255,0.75); padding-block: var(--space-xl); }
.site-footer__inner {
    display: grid;
    grid-template-columns: 2fr 1fr 2fr;
    gap: var(--space-xl);
    align-items: start;
}
.site-footer__name {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 800;
    color: var(--clr-white);
    display: block;
    margin-bottom: var(--space-xs);
}
.site-footer__slogan { color: rgba(255,255,255,0.55); font-size: var(--text-sm); }
.site-footer__brand img { height: 48px; width: auto; filter: brightness(0) invert(1); }

.site-footer__heading { font-size: var(--text-base); color: var(--clr-white); margin-bottom: var(--space-sm); }

.site-footer__menu { display: flex; flex-direction: column; gap: 0.4rem; }
.site-footer__menu a { color: rgba(255,255,255,0.65); font-size: var(--text-sm); transition: color var(--transition); }
.site-footer__menu a:hover { color: var(--clr-white); }

.site-footer__contact-list { display: flex; flex-direction: column; gap: 0.5rem; }
.site-footer__contact-list a { color: rgba(255,255,255,0.75); font-size: var(--text-sm); }
.site-footer__contact-list a:hover { color: var(--clr-accent); }
.site-footer__contact-list li { font-size: var(--text-sm); }

.site-footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
}
.site-footer__bottom p { margin: 0; font-size: var(--text-sm); color: rgba(255,255,255,0.45); }

/* ── 16. Utilities ───────────────────────────────────────── */
.badge {
    display: inline-block;
    background: var(--clr-accent);
    color: var(--clr-white);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25em 0.8em;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.sr-only { position: absolute; width: 1px; height: 1px; clip: rect(0,0,0,0); overflow: hidden; }

/* ── 17. Responsive ──────────────────────────────────────── */

/* Tabletti */
@media (max-width: 1024px) {
    .cards-grid--4col,
    .cards-grid--featured { grid-template-columns: repeat(2, 1fr); }
    .cards-grid--3col     { grid-template-columns: repeat(2, 1fr); }
    .testimonials__track  { grid-template-columns: repeat(2, 1fr); }
    .intro-boxes          { grid-template-columns: 1fr; }
    .site-footer__inner   { grid-template-columns: 1fr 1fr; }
    .contact-layout       { grid-template-columns: 1fr; gap: var(--space-xl); }
    .cta-section__inner   { flex-direction: column; text-align: center; }
    .cta-section__actions { justify-content: center; }
    .contact-section__inner { grid-template-columns: 1fr; gap: var(--space-lg); }
    .contact-section__form-wrap { grid-column: 1; }
}

/* Mobiili */
@media (max-width: 768px) {
    .site-nav__toggle { display: flex; }
    .site-nav__menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--clr-white);
        padding: var(--space-sm);
        box-shadow: var(--shadow-md);
        border-top: 1px solid var(--clr-border);
    }
    .site-nav__menu.is-open { display: flex; }
    .site-nav__menu li { width: 100%; }
    .site-nav__menu li a { padding: 0.6em 1em; }
    .site-nav__cta { display: none; }
    .site-nav__inner { position: relative; flex-wrap: nowrap; }

    .cards-grid--featured { grid-template-columns: 1fr; }
    .cards-grid--3col    { grid-template-columns: 1fr; }
    .cards-grid--4col    { grid-template-columns: 1fr; }
    .cards-grid          { grid-template-columns: 1fr; }
    .testimonials__track { grid-template-columns: 1fr; }

    .hero { min-height: 400px; }
    .hero__content { padding-block: var(--space-xl); }

    .testimonial { flex: 0 0 280px; }

    .site-footer__inner { grid-template-columns: 1fr; gap: var(--space-lg); }

    .header-topbar__slogan { display: none; }
    .header-topbar__contact { gap: var(--space-sm); }
}

@media (max-width: 480px) {
    .container { padding-inline: var(--space-sm); }
    .section { padding-block: var(--space-lg); }
    .btn--lg { font-size: var(--text-base); padding: 0.75em 1.5em; }
    .contact-form__submit { width: 100%; justify-content: center; }
}