/* ============================================================
   CNOVA Optical — Main Stylesheet
   Based on Ardot Design v1.0
   ============================================================

   Design System:
   - Primary Red:    #e71f17 (Pantone 485C)
   - Functional Dark:#2f2f2f
   - Text Gray:      #727171
   - Brand Gray BG:  #e6e6e6
   - White:          #ffffff
   - Footer Dark:    #262626
   - Typography:     Josefin Sans 600 (headings) + Raleway 300 (body)
   ============================================================ */

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

:root {
    --cn-red: #e71f17;
    --cn-red-dark: #c41914;
    --cn-red-light: #ff4d47;
    --cn-dark: #2f2f2f;
    --cn-dark-2: #262626;
    --cn-text: #727171;
    --cn-text-light: #727171;
    --cn-text-muted: #8f8f8f;
    --cn-bg: #e6e6e6;
    --cn-bg-alt: #f4f4f4;
    --cn-white: #ffffff;
    --cn-border: #d7d7d7;
    --cn-radius: 8px;
    --cn-radius-lg: 8px;
    --cn-font-heading: 'Josefin Sans', sans-serif;
    --cn-font-body: 'Raleway', system-ui, sans-serif;
    --cn-shadow: 0 1px 3px rgba(0,0,0,0.08);
    --cn-shadow-lg: 0 4px 24px rgba(0,0,0,0.1);
    --cn-transition: 0.25s ease;
    --cn-max-width: 1280px;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--cn-font-body);
    font-weight: 300;
    font-size: 16px;
    line-height: 1.6;
    color: var(--cn-text);
    background: var(--cn-white);
    -webkit-font-smoothing: antialiased;
}

a { color: var(--cn-red); text-decoration: none; transition: var(--cn-transition); }
a:hover { color: var(--cn-red-dark); }
img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--cn-font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--cn-dark);
}

/* ===== BUTTONS ===== */
.cn-btn {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--cn-font-heading);
    font-weight: 600; text-decoration: none; cursor: pointer;
    border: 2px solid transparent; border-radius: var(--cn-radius);
    transition: all var(--cn-transition); white-space: nowrap;
}
.cn-btn--primary { background: var(--cn-red); color: var(--cn-white); border-color: var(--cn-red); }
.cn-btn--primary:hover { background: var(--cn-red-dark); border-color: var(--cn-red-dark); color: var(--cn-white); }
.cn-btn--outline { background: transparent; color: var(--cn-dark); border-color: var(--cn-border); }
.cn-btn--outline:hover { border-color: var(--cn-red); color: var(--cn-red); }
.cn-btn--white { background: var(--cn-white); color: var(--cn-dark); }
.cn-btn--white:hover { background: var(--cn-dark); color: var(--cn-white); }
.cn-btn--sm { padding: 8px 20px; font-size: 14px; }
.cn-btn--lg { padding: 14px 32px; font-size: 16px; }
.cn-btn--full { width: 100%; justify-content: center; }

/* ===== HEADER ===== */
.cn-header {
    position: sticky; top: 0; z-index: 1000;
    background: var(--cn-white);
    box-shadow: var(--cn-shadow);
    height: 80px;
}
.cn-header__inner {
    max-width: var(--cn-max-width); height: 100%;
    margin: 0 auto; padding: 0 40px;
    display: flex; align-items: center; justify-content: space-between;
}

/* Logo */
.cn-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.cn-logo__icon { flex-shrink: 0; }
.cn-logo__img { height: 44px; width: auto; flex-shrink: 0; }
.cn-logo__text {
    font-family: var(--cn-font-heading);
    font-size: 26px; font-weight: 200;
    color: var(--cn-text-light); letter-spacing: 5px;
}

/* Nav */
.cn-header__nav { flex: 1; display: flex; justify-content: center; }
.cn-nav-menu { list-style: none; display: flex; gap: 40px; }
.cn-nav-menu a {
    font-family: var(--cn-font-heading);
    font-size: 14px; font-weight: 600; letter-spacing: 1px;
    color: var(--cn-text); text-transform: uppercase;
    padding: 4px 0; border-bottom: 2px solid transparent;
    transition: var(--cn-transition);
}
.cn-nav-menu a:hover,
.cn-nav-menu .current-menu-item > a {
    color: var(--cn-red); border-bottom-color: var(--cn-red);
}

/* Mobile Nav Toggle */
.cn-nav-toggle {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 4px;
}
.cn-nav-toggle__bar { width: 24px; height: 2px; background: var(--cn-dark); transition: var(--cn-transition); }

/* Header Actions */
.cn-header__actions { display: flex; align-items: center; gap: 20px; }
.cn-lang-switch { display: flex; align-items: center; gap: 4px; font-family: var(--cn-font-heading); font-size: 13px; font-weight: 600; }
.cn-lang-switch__btn {
    background: none; border: none; cursor: pointer; padding: 2px 4px;
    color: var(--cn-text-muted); transition: var(--cn-transition);
}
.cn-lang-switch__btn:hover,
.cn-lang-switch__btn.is-active { color: var(--cn-red); font-weight: 600; }
.cn-lang-switch__sep { color: var(--cn-text-muted); }

/* ===== HERO ===== */
.cn-hero {
    background: var(--cn-white);
    padding: 0; overflow: hidden;
}
.cn-hero__inner {
    max-width: var(--cn-max-width);
    margin: 0 auto; padding: 0 40px;
    display: flex; align-items: center; gap: 60px;
    min-height: 600px;
}
.cn-hero__content { flex: 1; max-width: 560px; }
.cn-hero__badge {
    display: inline-block; padding: 6px 16px;
    background: rgba(231,31,23,0.08); color: var(--cn-red);
    font-family: var(--cn-font-heading); font-size: 13px; font-weight: 600;
    border-radius: 50px; margin-bottom: 20px;
}
.cn-hero__title {
    font-family: var(--cn-font-heading);
    font-size: 56px; font-weight: 600; line-height: 1.1;
    color: var(--cn-dark); margin-bottom: 20px;
}
.cn-hero__subtitle {
    font-size: 17px; line-height: 1.7;
    color: var(--cn-text-light); margin-bottom: 32px;
}
.cn-hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }
.cn-hero__actions .cn-btn { padding: 12px 24px; font-size: 15px; }
.hero-trust {
    display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0; margin-top: 32px; border-top: 1px solid var(--cn-border);
}
.trust-item { padding: 18px 16px 0 0; }
.trust-item + .trust-item { padding-left: 16px; border-left: 1px solid var(--cn-border); }
.trust-value,
.trust-label { display: block; }
.trust-value { font-family: var(--cn-font-heading); font-size: 14px; font-weight: 600; color: var(--cn-dark); }
.trust-label { margin-top: 4px; font-size: 12px; line-height: 1.4; color: var(--cn-text-muted); }
.cn-hero__visual { flex: 1; position: relative; }
.cn-hero__img {
    width: 100%; height: 480px; object-fit: cover;
    border-radius: var(--cn-radius-lg);
}
.cn-hero__img-accent {
    position: absolute; bottom: -16px; right: -16px;
    width: 100%; height: 100%;
    border: 3px solid var(--cn-red); border-radius: var(--cn-radius-lg);
    z-index: -1;
}

/* ===== STATS BAR ===== */
.cn-stats { background: var(--cn-red); }
.cn-stats__inner {
    max-width: var(--cn-max-width); margin: 0 auto; padding: 0 40px;
    display: flex; justify-content: space-around;
}
.cn-stats__item {
    text-align: center; padding: 40px 20px;
    flex: 1; border-right: 1px solid rgba(255,255,255,0.2);
}
.cn-stats__item:last-child { border-right: none; }
.cn-stats__number {
    display: block; font-family: var(--cn-font-heading);
    font-size: 40px; font-weight: 300; color: var(--cn-white);
    margin-bottom: 6px;
}
.cn-stats__label {
    display: block; font-size: 14px; color: rgba(255,255,255,0.85);
    font-weight: 400; letter-spacing: 0.5px;
}

/* ===== SECTION PATTERNS ===== */
.cn-section { padding: 100px 0; }
.cn-section--alt { background: var(--cn-bg); }
.cn-section__inner { max-width: var(--cn-max-width); margin: 0 auto; padding: 0 40px; }
.cn-section__overline {
    display: block; font-family: var(--cn-font-heading);
    font-size: 13px; font-weight: 600; letter-spacing: 2px;
    color: var(--cn-red); text-transform: uppercase;
    margin-bottom: 12px;
}
.cn-section__title {
    font-family: var(--cn-font-heading);
    font-size: 42px; font-weight: 600; color: var(--cn-dark);
    margin-bottom: 16px;
}
.cn-section__desc {
    font-size: 17px; line-height: 1.7; color: var(--cn-text-light);
    max-width: 640px; margin-bottom: 48px;
}

/* ===== OEM / ODM ===== */
.cn-oem__layout { display: flex; gap: 80px; align-items: flex-start; }
.cn-oem__content { flex: 1.2; }
.cn-oem__visual { flex: 0.8; position: sticky; top: 100px; }
.cn-oem__img--main {
    width: 100%; border-radius: var(--cn-radius-lg);
    box-shadow: var(--cn-shadow-lg);
}
.cn-oem__features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 40px; }
.cn-oem__feature { display: flex; gap: 16px; align-items: flex-start; }
.cn-oem__feature-icon {
    width: 48px; height: 48px; border-radius: var(--cn-radius);
    background: rgba(231,31,23,0.08); color: var(--cn-red);
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; flex-shrink: 0;
}
.cn-oem__feature-text h4 { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.cn-oem__feature-text p { font-size: 14px; color: var(--cn-text-light); line-height: 1.5; }

/* ===== PRODUCTS GRID ===== */
.cn-products__grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.cn-product-card {
    background: var(--cn-white); border-radius: var(--cn-radius-lg);
    overflow: hidden; box-shadow: var(--cn-shadow);
    transition: transform var(--cn-transition), box-shadow var(--cn-transition);
}
.cn-product-card:hover { transform: translateY(-4px); box-shadow: var(--cn-shadow-lg); }
.cn-product-card__link { display: block; height: 100%; color: inherit; }
.cn-product-card__link:hover { color: inherit; }
.cn-product-card__img-wrap { position: relative; height: 280px; overflow: hidden; }
.cn-product-card__img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.cn-product-card:hover .cn-product-card__img { transform: scale(1.05); }
.cn-product-card__overlay {
    position: absolute; inset: 0;
    background: rgba(47,47,47,0.5);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: opacity var(--cn-transition);
}
.cn-product-card:hover .cn-product-card__overlay { opacity: 1; }
.cn-product-card__info { padding: 20px; }
.cn-product-card__title {
    font-family: var(--cn-font-heading);
    font-size: 18px; font-weight: 600; margin-bottom: 8px;
}
.cn-product-card__desc { font-size: 14px; color: var(--cn-text-light); line-height: 1.5; }

/* ===== FACTORY ===== */
.cn-factory__images { display: flex; gap: 24px; margin-bottom: 40px; }
.cn-factory__img-wrap { flex: 1; border-radius: var(--cn-radius-lg); overflow: hidden; box-shadow: var(--cn-shadow); }
.cn-factory__img-wrap img { width: 100%; height: 360px; object-fit: cover; }
.cn-factory__stats { display: flex; justify-content: space-around; padding-top: 40px; border-top: 1px solid var(--cn-border); }
.cn-factory__stat { text-align: center; }
.cn-factory__stat-num {
    display: block; font-family: var(--cn-font-heading);
    font-size: 36px; font-weight: 400; color: var(--cn-red);
    margin-bottom: 4px;
}
.cn-factory__stat-label { font-size: 14px; color: var(--cn-text-light); }

/* ===== CERTIFICATIONS ===== */
.cn-cert__grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.cn-cert__card {
    text-align: center; padding: 40px 20px;
    background: var(--cn-white); border-radius: var(--cn-radius-lg);
    box-shadow: var(--cn-shadow); transition: transform var(--cn-transition);
}
.cn-cert__card:hover { transform: translateY(-4px); }
.cn-cert__icon { margin-bottom: 16px; }
.cn-cert__card h4 {
    font-family: var(--cn-font-heading);
    font-size: 18px; font-weight: 600; margin-bottom: 6px;
}
.cn-cert__card p { font-size: 13px; color: var(--cn-text-muted); }

/* ===== CLIENTS / PARTNERS ===== */
.cn-clients__logos {
    display: flex; flex-wrap: wrap; justify-content: center; gap: 40px;
    margin-bottom: 48px;
}
.cn-clients__logo {
    width: 120px; height: 60px;
    background: var(--cn-bg); border-radius: var(--cn-radius);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--cn-font-heading); font-size: 14px;
    color: var(--cn-text-muted);
}
.cn-clients__testimonial { text-align: center; max-width: 700px; margin: 0 auto; }
.cn-clients__testimonial blockquote { border: none; padding: 0; }
.cn-clients__testimonial blockquote p {
    font-size: 20px; font-style: italic; line-height: 1.6;
    color: var(--cn-text-light); margin-bottom: 12px;
}
.cn-clients__testimonial cite {
    font-style: normal; font-weight: 500; color: var(--cn-dark);
}

/* ===== NEWS ===== */
.cn-news__grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.cn-news-card {
    background: var(--cn-white); border-radius: var(--cn-radius-lg);
    overflow: hidden; box-shadow: var(--cn-shadow);
    transition: transform var(--cn-transition);
}
.cn-news-card:hover { transform: translateY(-4px); }
.cn-news-card__img { height: 200px; overflow: hidden; }
.cn-news-card__img img,
.cn-news-card__img--ph {
    width: 100%; height: 100%; object-fit: cover;
}
.cn-news-card__img--ph { background: var(--cn-bg-alt); }
.cn-news-card__content { padding: 20px; }
.cn-news-card__date {
    display: block; font-size: 12px; color: var(--cn-text-muted);
    text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px;
}
.cn-news-card__title {
    font-family: var(--cn-font-heading);
    font-size: 18px; font-weight: 600; margin-bottom: 8px;
}
.cn-news-card__title a { color: var(--cn-dark); }
.cn-news-card__title a:hover { color: var(--cn-red); }
.cn-news-card__excerpt { font-size: 14px; color: var(--cn-text-light); line-height: 1.5; }

/* ===== CTA / CONTACT ===== */
.cn-cta { background: var(--cn-dark); padding: 100px 0; }
.cn-cta__inner {
    max-width: var(--cn-max-width); margin: 0 auto; padding: 0 40px;
    display: flex; gap: 80px; align-items: flex-start;
}
.cn-cta__content { flex: 1; padding-top: 20px; }
.cn-cta__title {
    font-family: var(--cn-font-heading);
    font-size: 42px; font-weight: 600; color: var(--cn-white);
    margin-bottom: 16px;
}
.cn-cta__subtitle { font-size: 17px; color: var(--cn-text-muted); line-height: 1.7; margin-bottom: 32px; }
.cn-cta__trust { display: flex; flex-direction: column; gap: 12px; }
.cn-cta__trust span {
    color: rgba(255,255,255,0.7); font-size: 14px; display: flex; align-items: center; gap: 8px;
}
.cn-cta__trust i { color: var(--cn-red); }
.cn-cta__form { flex: 1; }

/* Contact Form */
.cn-contact-form {
    background: var(--cn-white); border-radius: var(--cn-radius-lg);
    padding: 40px; box-shadow: var(--cn-shadow-lg);
}
.cn-contact-form__row { display: flex; gap: 16px; margin-bottom: 16px; }
.cn-contact-form__field { flex: 1; margin-bottom: 16px; }
.cn-contact-form__field label {
    display: block; font-size: 13px; font-weight: 600;
    color: var(--cn-text); margin-bottom: 6px;
    font-family: var(--cn-font-heading);
}
.cn-contact-form__field input,
.cn-contact-form__field select,
.cn-contact-form__field textarea {
    width: 100%; padding: 12px 16px;
    border: 1px solid var(--cn-border); border-radius: var(--cn-radius);
    font-family: var(--cn-font-body); font-size: 15px;
    color: var(--cn-text); background: var(--cn-bg);
    transition: border-color var(--cn-transition);
}
.cn-contact-form__field input:focus,
.cn-contact-form__field select:focus,
.cn-contact-form__field textarea:focus {
    outline: none; border-color: var(--cn-red);
}
.cn-contact-form__website {
    position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden;
}
.cn-contact-form__note {
    font-size: 12px; color: var(--cn-text-muted);
    text-align: center; margin-top: 12px;
}
.cn-contact-form__response { margin-top: 12px; }
.cn-contact-form__response .success { color: #16a34a; }
.cn-contact-form__response .error { color: var(--cn-red); }

/* ===== FOOTER ===== */
.cn-footer { background: var(--cn-dark-2); color: rgba(255,255,255,0.7); padding: 64px 0 0; }
.cn-footer__inner { max-width: var(--cn-max-width); margin: 0 auto; padding: 0 40px; }
.cn-footer__top { display: flex; gap: 80px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.cn-footer__brand { flex: 1.2; }
.cn-footer__logo {
    display: flex; align-items: center; gap: 10px; margin-bottom: 16px;
    color: var(--cn-white); text-decoration: none;
}
.cn-footer__logo span { font-family: var(--cn-font-heading); font-size: 22px; font-weight: 200; letter-spacing: 3px; }
.cn-footer__tagline { font-size: 15px; margin-bottom: 20px; color: rgba(255,255,255,0.5); }
.cn-footer__contact p {
    font-size: 14px; margin-bottom: 8px; display: flex; align-items: flex-start; gap: 10px;
}
.cn-footer__contact i { color: var(--cn-red); margin-top: 4px; }
.cn-footer__contact a { color: rgba(255,255,255,0.7); }
.cn-footer__contact a:hover { color: var(--cn-white); }
.cn-footer__cols { flex: 1; display: flex; gap: 40px; }
.cn-footer__col { flex: 1; }
.cn-footer__col-title {
    font-family: var(--cn-font-heading);
    font-size: 15px; font-weight: 600; color: var(--cn-white);
    margin-bottom: 16px; letter-spacing: 1px;
}
.cn-footer-menu { list-style: none; }
.cn-footer-menu li { margin-bottom: 10px; }
.cn-footer-menu a { font-size: 14px; color: rgba(255,255,255,0.55); transition: var(--cn-transition); }
.cn-footer-menu a:hover { color: var(--cn-white); padding-left: 4px; }
.cn-footer__bottom {
    display: flex; justify-content: space-between; align-items: center;
    padding: 24px 0; font-size: 13px;
}
.cn-footer__social { display: flex; gap: 16px; }
.cn-footer__social a {
    color: rgba(255,255,255,0.4); font-size: 18px; transition: var(--cn-transition);
}
.cn-footer__social a:hover { color: var(--cn-red); }

/* ===== INNER PAGE ===== */
.cn-page { padding: 80px 0; min-height: 60vh; }
.cn-page__inner { max-width: var(--cn-max-width); margin: 0 auto; padding: 0 40px; }
.cn-page__header { margin-bottom: 40px; }
.cn-page__title {
    font-family: var(--cn-font-heading);
    font-size: 42px; font-weight: 600; color: var(--cn-dark);
}
.cn-page__body { font-size: 16px; line-height: 1.8; }
.cn-page__body h2 { font-size: 28px; margin: 40px 0 16px; }
.cn-page__body h3 { font-size: 22px; margin: 32px 0 12px; }
.cn-page__body p { margin-bottom: 16px; }
.cn-page__body ul, .cn-page__body ol { margin-bottom: 16px; padding-left: 24px; }
.cn-page__body img { border-radius: var(--cn-radius); margin: 24px 0; }
.cn-page__body h2 { color: var(--cn-dark); }
.cn-page__body a:not(.cn-btn) { text-decoration: underline; text-underline-offset: 3px; }
.cn-page__body .cn-btn { margin: 8px 8px 8px 0; text-decoration: none; }
.cn-page__body > * { max-width: 820px; }
.cn-page__body > .cn-page-grid { max-width: none; }
.cn-page-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin: 32px 0; }
.cn-info-block { padding: 24px; border: 1px solid var(--cn-border); border-radius: var(--cn-radius); background: var(--cn-white); }
.cn-info-block h2, .cn-info-block h3 { margin-top: 0; }
.cn-category-intro { max-width: 760px; margin-bottom: 32px; }
.cn-empty-state { padding: 32px; border: 1px solid var(--cn-border); background: var(--cn-bg-alt); }

/* ===== 404 ===== */
.cn-error { padding: 120px 0; text-align: center; }
.cn-error h1 { font-size: 120px; font-weight: 100; color: var(--cn-red); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .cn-header__inner,
    .cn-hero__inner,
    .cn-section__inner,
    .cn-cta__inner,
    .cn-footer__inner,
    .cn-page__inner { padding-left: 24px; padding-right: 24px; }

    .cn-hero__inner { flex-direction: column; text-align: center; padding: 60px 24px; }
    .cn-hero__content { max-width: 100%; }
    .cn-hero__title { font-size: 40px; }
    .cn-hero__actions { justify-content: center; }
    .hero-trust { text-align: left; }
    .cn-hero__img { height: 360px; }
    .cn-hero__img-accent { display: none; }

    .cn-oem__layout { flex-direction: column; gap: 48px; }
    .cn-oem__visual { position: static; }

    .cn-products__grid { grid-template-columns: repeat(2, 1fr); }
    .cn-news__grid { grid-template-columns: repeat(2, 1fr); }
    .cn-cert__grid { grid-template-columns: repeat(2, 1fr); }

    .cn-cta__inner { flex-direction: column; gap: 48px; }
    .cn-footer__top { flex-direction: column; gap: 40px; }

    .cn-section__title { font-size: 32px; }
    .cn-cta__title { font-size: 32px; }
}

@media (max-width: 1200px) and (min-width: 769px) {
    .cn-nav-menu { gap: 22px; }
    .cn-header__actions { gap: 12px; }
}

@media (max-width: 768px) {
    .cn-nav-menu { display: none; }
    .cn-nav-toggle { display: flex; }
    .cn-header__nav.active .cn-nav-menu {
        display: flex; flex-direction: column; gap: 0;
        position: absolute; top: 80px; left: 0; right: 0;
        background: var(--cn-white); box-shadow: var(--cn-shadow-lg);
        padding: 20px 0;
    }
    .cn-header__nav.active .cn-nav-menu a { display: block; padding: 12px 24px; border-bottom: 1px solid var(--cn-border); }

    .cn-header__actions .cn-btn { display: none; }

    .hero-trust { grid-template-columns: 1fr; }
    .trust-item { padding: 14px 0; }
    .trust-item + .trust-item { padding-left: 0; border-left: 0; border-top: 1px solid var(--cn-border); }

    .cn-stats__inner { flex-wrap: wrap; }
    .cn-stats__item { flex-basis: 50%; border-right: none; border-bottom: 1px solid rgba(255,255,255,0.2); }
    .cn-stats__number { font-size: 32px; }

    .cn-oem__features { grid-template-columns: 1fr; }
    .cn-products__grid { grid-template-columns: 1fr; }
    .cn-news__grid { grid-template-columns: 1fr; }
    .cn-cert__grid { grid-template-columns: 1fr; }

    .cn-factory__images { flex-direction: column; }
    .cn-factory__stats { flex-wrap: wrap; gap: 24px; }
    .cn-factory__stat { flex-basis: 45%; }
    .cn-factory__stat-num { font-size: 28px; }

    .cn-contact-form__row { flex-direction: column; gap: 0; }
    .cn-contact-form { padding: 24px; }

    .cn-footer__cols { flex-direction: column; gap: 24px; }
    .cn-footer__bottom { flex-direction: column; gap: 12px; text-align: center; }

    .cn-hero__title { font-size: 32px; }
    .cn-section { padding: 60px 0; }
    .cn-section__title { font-size: 28px; }
    .cn-cta__title { font-size: 28px; }
    .cn-page__title { font-size: 28px; }
    .cn-page-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .cn-hero__title { font-size: 26px; }
    .cn-hero__img { height: 240px; }
    .cn-stats__item { flex-basis: 100%; }
    .cn-factory__stat { flex-basis: 100%; }
}