/* ── Reset & Custom Properties ─────────────────────────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --blue:        #1a5fa8;
    --blue-light:  #3b9ddd;
    --blue-dark:   #0d3d6e;
    --dark:        #1a2a3a;
    --gray:        #64748b;
    --gray-light:  #e2e8f0;
    --bg:          #f5f8fc;
    --white:       #ffffff;
    --font:        "Inter", system-ui, sans-serif;
    --radius:      10px;
    --shadow:      0 4px 20px rgba(26,95,168,.12);
    --shadow-lg:   0 8px 40px rgba(26,95,168,.18);
    --transition:  .25s ease;

    /* Product variant colors */
    --color-forte:  #1a5fa8;
    --color-one:    #2e86c1;
    --color-gel:    #1abc9c;
    --color-tendon: #8e44ad;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    color: var(--dark);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ── Layout ──────────────────────────────────────────────────────────────────── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section { padding: 96px 0; }
.section--bg { background: var(--bg); }
.section--blue { background: var(--blue); }

.section-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--dark);
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray);
    margin-top: 12px;
}

/* ── Buttons ─────────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius);
    font-family: var(--font);
    font-weight: 600;
    font-size: .95rem;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
    text-decoration: none;
    line-height: 1;
}

.btn-primary {
    background: var(--blue);
    color: var(--white);
}
.btn-primary:hover {
    background: var(--blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26,95,168,.35);
    color: var(--white);
}

.btn-outline {
    background: transparent;
    color: var(--blue);
    border: 2px solid var(--blue);
}
.btn-outline:hover {
    background: var(--blue);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-white {
    background: var(--white);
    color: var(--blue);
}
.btn-white:hover {
    background: var(--blue-dark);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-white-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,.6);
}
.btn-white-outline:hover {
    background: rgba(255,255,255,.15);
    border-color: var(--white);
    transform: translateY(-2px);
}

/* ── Tags ────────────────────────────────────────────────────────────────────── */
.tag {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 100px;
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
}
.tag-blue { background: rgba(26,95,168,.1); color: var(--blue); }
.tag-white-outline { background: transparent; color: var(--white); border: 1.5px solid rgba(255,255,255,.5); }

/* ── Header ──────────────────────────────────────────────────────────────────── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-light);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.header__logo img { height: 44px; width: auto; }

.header__nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header__nav a,
.header__nav .nav-item > a {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: .95rem;
    font-weight: 500;
    color: var(--dark);
    transition: all var(--transition);
    display: block;
}

.header__nav a:hover,
.header__nav .current-menu-item > a {
    background: rgba(26,95,168,.08);
    color: var(--blue);
}

.header__nav .current-menu-item > a { font-weight: 600; }

.header__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: background var(--transition);
}
.header__hamburger:hover { background: var(--gray-light); }
.header__hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: all var(--transition);
}

/* ── Hero ────────────────────────────────────────────────────────────────────── */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 60%, var(--blue-light) 100%);
    color: var(--white);
    overflow: hidden;
    padding: 100px 0 80px;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero__inner {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero__content { max-width: 560px; }

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,.15);
    border: 1px solid rgba(255,255,255,.25);
    border-radius: 100px;
    padding: 6px 16px;
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: rgba(255,255,255,.9);
    margin-bottom: 24px;
}

.hero__title {
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -.02em;
}

.hero__subtitle {
    font-size: 1.1rem;
    line-height: 1.7;
    color: rgba(255,255,255,.82);
    margin-bottom: 36px;
    max-width: 480px;
}

.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero__certs {
    display: flex;
    gap: 20px;
    margin-top: 48px;
    flex-wrap: wrap;
}

.hero__cert {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: .82rem;
    font-weight: 600;
    color: rgba(255,255,255,.75);
}

.hero__cert-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255,255,255,.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .7rem;
    color: var(--white);
    font-weight: 700;
}

.hero__image-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__image-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    max-width: 460px;
}

.hero__product-card {
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.2);
    border-radius: 16px;
    padding: 20px;
    text-align: center;
    backdrop-filter: blur(8px);
    transition: transform var(--transition);
}
.hero__product-card:hover { transform: translateY(-4px); }

.hero__product-card img {
    width: 100%;
    height: 130px;
    object-fit: contain;
    margin-bottom: 10px;
}

.hero__product-name {
    font-size: .8rem;
    font-weight: 700;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: .05em;
}

.hero__product-badge {
    display: inline-block;
    margin-top: 6px;
    padding: 2px 10px;
    border-radius: 100px;
    font-size: .7rem;
    font-weight: 700;
    color: var(--white);
}

/* ── About ───────────────────────────────────────────────────────────────────── */
.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.about__text p {
    color: var(--gray);
    font-size: 1rem;
    line-height: 1.75;
    margin-top: 20px;
}

.about__certs {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 28px;
}

.cert {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(26,95,168,.07);
    border: 1px solid rgba(26,95,168,.15);
    border-radius: 8px;
    padding: 6px 14px;
    font-size: .82rem;
    font-weight: 600;
    color: var(--blue);
}

.cert__icon { font-weight: 700; }

.about__cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card {
    background: var(--white);
    border-radius: 14px;
    padding: 28px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-light);
    transition: transform var(--transition), box-shadow var(--transition);
}
.info-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

.info-card__icon {
    font-size: 2rem;
    margin-bottom: 12px;
    display: block;
}

.info-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.info-card p {
    font-size: .9rem;
    color: var(--gray);
    line-height: 1.65;
}

/* ── Products Grid ───────────────────────────────────────────────────────────── */
.products__header {
    text-align: center;
    margin-bottom: 48px;
}

.products__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

/* ── Product Card ─────────────────────────────────────────────────────────────── */
.card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    transition: transform var(--transition), box-shadow var(--transition);
    border: 1px solid var(--gray-light);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.card__image-wrap {
    position: relative;
    background: var(--bg);
    overflow: hidden;
    display: block;
    text-decoration: none;
    cursor: pointer;
}

.card__image {
    width: 100%;
    height: 240px;
    object-fit: contain;
    padding: 24px;
    transition: transform .4s ease;
}
.card__image-wrap:hover .card__image { transform: scale(1.06); }

.card__overlay {
    position: absolute;
    inset: 0;
    background: rgba(26,95,168,0);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .3s ease;
}
.card__overlay-text {
    color: #fff;
    font-weight: 700;
    font-size: .9rem;
    opacity: 0;
    transform: translateY(6px);
    transition: all .3s ease;
    background: var(--blue);
    padding: 8px 18px;
    border-radius: 100px;
}
.card__image-wrap:hover .card__overlay { background: rgba(26,95,168,.26); }
.card__image-wrap:hover .card__overlay-text { opacity: 1; transform: translateY(0); }

.card__variant {
    position: absolute;
    top: 16px;
    right: 16px;
    color: #fff;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: 100px;
}

.card__body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    flex: 1;
    justify-content: space-between;
}

.card__name {
    font-size: 1.3rem;
    font-weight: 700;
    line-height: 1.2;
}
.card__name a { color: var(--dark); text-decoration: none; transition: color var(--transition); }
.card__name a:hover,
.card__name span { color: var(--blue); }

.card__tagline {
    font-size: .82rem;
    color: var(--blue);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-top: 4px;
}

.card__desc {
    font-size: .92rem;
    color: var(--gray);
    margin-top: 10px;
    line-height: 1.65;
}

.card__btn { width: 100%; justify-content: center; }

/* ── Science / Stats ──────────────────────────────────────────────────────────── */
.science__header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
    margin-bottom: 64px;
}

.science__text p {
    font-size: 1rem;
    color: var(--gray);
    line-height: 1.75;
    margin-top: 16px;
}

.science__stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat {
    background: var(--white);
    border-radius: 14px;
    padding: 28px 20px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-light);
}

.stat__num {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--blue);
    line-height: 1;
    margin-bottom: 8px;
}

.stat__label {
    font-size: .85rem;
    color: var(--gray);
    line-height: 1.5;
}

/* ── Testimonials ────────────────────────────────────────────────────────────── */
.reviews-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 40px;
}

.reviews-teaser {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.review-item {
    background: var(--white);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-light);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.review-stars { color: #f59e0b; font-size: 1.1rem; letter-spacing: 2px; }

.review-item p {
    font-size: .95rem;
    color: var(--gray);
    line-height: 1.7;
    font-style: italic;
    flex: 1;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 4px;
}

.review-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--blue);
    color: var(--white);
    font-size: .8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.review-name { font-weight: 600; font-size: .9rem; color: var(--dark); }
.review-role { font-size: .8rem; color: var(--gray); }

/* ── Contact ──────────────────────────────────────────────────────────────────── */
.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact__title { color: var(--white); margin-top: 16px; }

.contact__info {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
}

.contact__info-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.contact__info-icon {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,.15);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--white);
}

.contact__info-text strong {
    display: block;
    font-size: .8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: rgba(255,255,255,.6);
    margin-bottom: 2px;
}

.contact__info-text span,
.contact__info-text a {
    font-size: .95rem;
    color: rgba(255,255,255,.9);
}

.contact__form {
    background: var(--white);
    border-radius: 20px;
    padding: 36px;
    box-shadow: 0 20px 60px rgba(0,0,0,.15);
}

.contact__form h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 24px;
}

.form-row { margin-bottom: 18px; }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-label {
    display: block;
    font-size: .82rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 6px;
    letter-spacing: .02em;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--gray-light);
    border-radius: 8px;
    font-family: var(--font);
    font-size: .95rem;
    color: var(--dark);
    background: var(--white);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(26,95,168,.1);
}

.form-textarea { resize: vertical; min-height: 120px; }

.form-submit { width: 100%; justify-content: center; margin-top: 4px; }

.form-msg {
    margin-top: 12px;
    padding: 10px 16px;
    border-radius: 8px;
    font-size: .9rem;
    display: none;
}
.form-msg.success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; display: block; }
.form-msg.error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; display: block; }

/* ── Footer ──────────────────────────────────────────────────────────────────── */
.site-footer { background: var(--dark); color: rgba(255,255,255,.75); }

.footer__inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding: 64px 0 48px;
}

.footer__brand img { filter: brightness(0) invert(1); margin-bottom: 16px; }
.footer__brand p { font-size: .9rem; line-height: 1.7; max-width: 280px; }

.footer__col { display: flex; flex-direction: column; gap: 10px; }
.footer__col h4 {
    color: var(--white);
    font-weight: 600;
    font-size: .85rem;
    letter-spacing: .06em;
    text-transform: uppercase;
    margin-bottom: 4px;
}
.footer__col a,
.footer__col span {
    font-size: .9rem;
    color: rgba(255,255,255,.65);
    transition: color var(--transition);
    line-height: 1.5;
}
.footer__col a:hover { color: var(--white); }

.footer__bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; }
.footer__bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer__legal { display: flex; flex-direction: column; gap: 6px; }
.footer__legal p { font-size: .85rem; color: rgba(255,255,255,.45); }
.footer__legal-links {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: .82rem;
    color: rgba(255,255,255,.38);
}
.footer__legal-links a { color: rgba(255,255,255,.5); transition: color var(--transition); }
.footer__legal-links a:hover { color: rgba(255,255,255,.85); }
.footer__legal-links span { opacity: .4; }

.footer__badges { display: flex; gap: 8px; }
.badge {
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .06em;
    padding: 4px 10px;
    border: 1px solid rgba(255,255,255,.25);
    border-radius: 100px;
    color: rgba(255,255,255,.6);
}

/* ── Legal pages ─────────────────────────────────────────────────────────────── */
.legal-content {
    max-width: 800px;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--gray);
}

.legal-content > p { margin-bottom: 20px; }

.legal-content h2 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
    margin: 40px 0 14px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--gray-light);
}

.legal-content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dark);
    margin: 24px 0 10px;
}

.legal-content ul,
.legal-content ol {
    padding-left: 24px;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.legal-content ul li { list-style: disc; }
.legal-content ol li { list-style: decimal; }

.legal-content a {
    color: var(--blue);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.legal-content a:hover { color: var(--blue-dark); }

.legal-content strong { color: var(--dark); font-weight: 600; }

/* ── About page ──────────────────────────────────────────────────────────────── */
.about-hero {
    position: relative;
    background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 60%, var(--blue-light) 100%);
    color: var(--white);
    padding: 96px 0 88px;
    overflow: hidden;
}

.about-hero__pattern {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.about-hero__inner {
    position: relative;
    max-width: 720px;
}

.about-hero__title {
    font-size: clamp(2.4rem, 5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -.02em;
    margin-top: 20px;
    margin-bottom: 20px;
}

.about-hero__title em {
    font-style: normal;
    font-weight: 300;
    opacity: .85;
}

.about-hero__subtitle {
    font-size: 1.15rem;
    color: rgba(255,255,255,.82);
    line-height: 1.7;
    max-width: 560px;
    margin-bottom: 48px;
}

.about-hero__stats {
    display: flex;
    align-items: center;
    gap: 0;
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.2);
    border-radius: 16px;
    padding: 20px 28px;
    backdrop-filter: blur(8px);
    flex-wrap: wrap;
    max-width: 640px;
}

.about-hero__stat {
    flex: 1;
    min-width: 100px;
    text-align: center;
    padding: 4px 8px;
}

.about-hero__stat strong {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 4px;
}

.about-hero__stat span {
    font-size: .75rem;
    color: rgba(255,255,255,.7);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.about-hero__stat-sep {
    width: 1px;
    height: 44px;
    background: rgba(255,255,255,.2);
    flex-shrink: 0;
}

/* Mission section */
.about-mission__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.about-quote {
    background: var(--blue);
    border-radius: 20px;
    padding: 36px 36px 32px;
    color: var(--white);
    position: relative;
    margin-bottom: 24px;
}

.about-quote__marks {
    font-size: 5rem;
    font-family: Georgia, serif;
    line-height: .8;
    color: rgba(255,255,255,.25);
    margin-bottom: 8px;
}

.about-quote__text {
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.65;
    color: var(--white);
    font-style: italic;
    margin-bottom: 24px;
}

.about-quote__footer {
    display: flex;
    align-items: center;
    gap: 14px;
}

.about-quote__line {
    width: 32px;
    height: 2px;
    background: rgba(255,255,255,.4);
}

.about-quote__footer span {
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: rgba(255,255,255,.75);
}

.about-cert-chips {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Section header (centered) */
.about-section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 56px;
}

/* Science cards */
.about-science__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.about-science-card {
    background: var(--white);
    border-radius: 16px;
    padding: 36px 32px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-light);
    transition: transform var(--transition), box-shadow var(--transition);
}

.about-science-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.about-science-card__icon {
    font-size: 2.4rem;
    margin-bottom: 16px;
    display: block;
}

.about-science-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.about-science-card p {
    font-size: .92rem;
    color: var(--gray);
    line-height: 1.75;
}

/* Certs grid */
.about-certs__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.about-cert-card {
    background: var(--white);
    border-radius: 16px;
    padding: 32px 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-light);
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition);
}

.about-cert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.about-cert-card__badge {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(26,95,168,.08);
    border: 2px solid rgba(26,95,168,.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 800;
    color: var(--blue);
    letter-spacing: .04em;
    margin: 0 auto 18px;
}

.about-cert-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.about-cert-card p {
    font-size: .87rem;
    color: var(--gray);
    line-height: 1.7;
}

/* Responsive — about page */
@media (max-width: 1024px) {
    .about-certs__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .about-hero { padding: 72px 0 64px; }
    .about-hero__stats { gap: 0; }
    .about-mission__grid { grid-template-columns: 1fr; gap: 40px; }
    .about-science__grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .about-certs__grid { grid-template-columns: 1fr; }
    .about-hero__stat-sep { display: none; }
    .about-hero__stats { gap: 16px; }
    .about-hero__stat { min-width: 45%; }
}

/* ── Cart Toast ──────────────────────────────────────────────────────────────── */
.cart-toast {
    position: fixed;
    top: 90px;
    right: 24px;
    z-index: 9999;
    background: var(--white);
    border-radius: 14px;
    box-shadow: 0 8px 40px rgba(0,0,0,.14), 0 2px 8px rgba(0,0,0,.06);
    padding: 16px 16px 20px 16px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    width: 320px;
    border-left: 4px solid #059669;
    transform: translateX(calc(100% + 40px));
    opacity: 0;
    transition: transform .4s cubic-bezier(.34,1.46,.64,1), opacity .3s ease;
    pointer-events: none;
    overflow: hidden;
}

.cart-toast.cart-toast--visible {
    transform: translateX(0);
    opacity: 1;
    pointer-events: auto;
}

.cart-toast.cart-toast--out {
    transform: translateX(calc(100% + 40px));
    opacity: 0;
    transition: transform .28s ease, opacity .28s ease;
}

.cart-toast__icon {
    width: 34px;
    height: 34px;
    min-width: 34px;
    border-radius: 50%;
    background: #d1fae5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #059669;
    margin-top: 1px;
}

.cart-toast__body { flex: 1; min-width: 0; }

.cart-toast__label {
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: #059669;
    margin-bottom: 3px;
}

.cart-toast__name {
    font-size: .95rem;
    font-weight: 700;
    color: var(--dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 12px;
    line-height: 1.3;
}

.cart-toast__cart-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--blue);
    color: #fff;
    font-size: .8rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 8px;
    text-decoration: none;
    transition: background var(--transition);
    font-family: var(--font);
}
.cart-toast__cart-btn:hover { background: var(--blue-dark); color: #fff; }

.cart-toast__close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 2px;
    color: var(--gray);
    line-height: 1;
    flex-shrink: 0;
    transition: color var(--transition);
    margin-top: 1px;
}
.cart-toast__close:hover { color: var(--dark); }

.cart-toast__progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    width: 100%;
    background: #059669;
    transform-origin: left center;
    animation: toast-progress 4.5s linear forwards;
    border-radius: 0 3px 0 0;
}

@keyframes toast-progress {
    from { transform: scaleX(1); }
    to   { transform: scaleX(0); }
}

/* ── WhatsApp ────────────────────────────────────────────────────────────────── */
.whatsapp-btn {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 999;
    display: flex;
    align-items: center;
    gap: 10px;
    background: #25d366;
    color: #fff;
    padding: 12px 18px 12px 14px;
    border-radius: 100px;
    box-shadow: 0 4px 20px rgba(37,211,102,.4);
    transition: all .3s ease;
    text-decoration: none;
    font-weight: 600;
    font-size: .9rem;
}
.whatsapp-btn:hover {
    background: #1ebe5d;
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(37,211,102,.5);
    color: #fff;
}
.whatsapp-btn__label { font-family: var(--font); }

/* ── Product single page ──────────────────────────────────────────────────────── */

/* Hero layout */
.ps-hero {
    padding: 48px 0 64px;
    background: var(--white);
    border-bottom: 1px solid var(--gray-light);
}

.ps-hero__grid {
    display: grid;
    grid-template-columns: 46% 1fr;
    gap: 56px;
    align-items: start;
}

/* ── Image column ──────────────────────────────────────────── */
.ps-img-col {
    position: sticky;
    top: 90px;
}

.ps-img-main {
    background: var(--bg);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid var(--gray-light);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 380px;
    overflow: hidden;
    cursor: zoom-in;
}

.ps-img-main img {
    max-height: 380px;
    width: 100%;
    object-fit: contain;
    transition: transform .5s ease;
    display: block;
}

.ps-img-main:hover img { transform: scale(1.06); }

.ps-img-certs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 18px;
    justify-content: center;
}

/* Social proof strip */
.ps-social-proof {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-top: 20px;
    background: var(--bg);
    border-radius: 12px;
    border: 1px solid var(--gray-light);
    padding: 16px 12px;
}

.ps-social-proof__item {
    flex: 1;
    text-align: center;
}

.ps-social-proof__item strong {
    display: block;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--blue);
    line-height: 1.2;
}

.ps-social-proof__item span {
    font-size: .75rem;
    color: var(--gray);
    font-weight: 500;
}

.ps-social-proof__sep {
    width: 1px;
    height: 36px;
    background: var(--gray-light);
    flex-shrink: 0;
}

/* ── Info column ───────────────────────────────────────────── */
.ps-info-col {
    padding-top: 4px;
}

.ps-info__badges {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.ps-variant-badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 100px;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--white);
}

.ps-class-badge {
    font-size: .78rem;
    color: var(--gray);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    background: var(--bg);
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid var(--gray-light);
}

.ps-title {
    font-size: clamp(2rem, 3vw, 2.75rem);
    font-weight: 800;
    line-height: 1.1;
    color: var(--dark);
    margin-bottom: 10px;
}

.ps-title em {
    font-style: normal;
    font-weight: 300;
    color: var(--dark);
}

.ps-tagline {
    font-size: 1.05rem;
    color: var(--blue);
    font-weight: 600;
    margin-bottom: 14px;
}

.ps-rating {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 20px;
    font-size: .88rem;
}

.ps-rating__stars {
    color: #f59e0b;
    font-size: 1rem;
    letter-spacing: 1px;
}

.ps-rating strong {
    color: var(--dark);
    font-weight: 700;
    font-size: .95rem;
}

.ps-rating__label {
    color: var(--gray);
}

.ps-short-desc {
    color: var(--gray);
    font-size: .95rem;
    line-height: 1.75;
    margin-bottom: 20px;
}

/* Selling bullets */
.ps-bullets {
    list-style: none;
    margin: 0 0 28px;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ps-bullets li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: .9rem;
    color: var(--dark);
    font-weight: 500;
    line-height: 1.4;
}

.ps-bullets li::before {
    content: '';
    width: 20px;
    height: 20px;
    min-width: 20px;
    border-radius: 50%;
    background: var(--blue);
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='9' viewBox='0 0 12 9' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 4l3.5 3.5L11 1' stroke='white' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

.ps-divider {
    height: 1px;
    background: var(--gray-light);
    margin: 24px 0;
}

/* ── Buy box ───────────────────────────────────────────────── */
.ps-buybox {
    margin-bottom: 24px;
}

.ps-price-area {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.ps-price {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--blue);
    line-height: 1;
}

.ps-stock {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: .82rem;
    color: #059669;
    font-weight: 600;
    background: #d1fae5;
    padding: 4px 10px;
    border-radius: 100px;
}

/* WooCommerce cart form inside buy box */
.ps-cart-wrap .cart {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.ps-cart-wrap .quantity {
    display: flex;
    align-items: center;
    border: 1.5px solid var(--gray-light);
    border-radius: var(--radius);
    overflow: hidden;
}

.ps-cart-wrap .qty {
    width: 68px;
    padding: 13px 14px;
    text-align: center;
    border: none !important;
    font-family: var(--font);
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
    background: transparent;
    -moz-appearance: textfield;
}

.ps-cart-wrap .qty::-webkit-inner-spin-button,
.ps-cart-wrap .qty::-webkit-outer-spin-button { -webkit-appearance: none; }

.ps-cart-wrap .single_add_to_cart_button {
    flex: 1;
    min-width: 200px;
    padding: 14px 28px !important;
    font-size: 1rem !important;
    font-weight: 700 !important;
    letter-spacing: .01em;
    background: var(--blue) !important;
    color: var(--white) !important;
    border: none !important;
    border-radius: var(--radius) !important;
    cursor: pointer;
    transition: all var(--transition) !important;
    font-family: var(--font) !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
}

.ps-cart-wrap .single_add_to_cart_button:hover {
    background: var(--blue-dark) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 24px rgba(26,95,168,.35) !important;
}

/* WhatsApp button */
.ps-whatsapp-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 13px 24px;
    background: #25d366;
    color: var(--white);
    border-radius: var(--radius);
    font-family: var(--font);
    font-weight: 600;
    font-size: .95rem;
    text-decoration: none;
    transition: all var(--transition);
    margin-top: 10px;
}

.ps-whatsapp-btn:hover {
    background: #128c7e;
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(18,140,126,.3);
}

/* Trust bar */
.ps-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 20px;
    padding: 16px 0;
    border-top: 1px solid var(--gray-light);
    border-bottom: 1px solid var(--gray-light);
    margin-bottom: 18px;
}

.ps-trust__item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: .8rem;
    color: var(--gray);
    font-weight: 500;
}

/* Phone contact */
.ps-phone {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: .85rem;
    color: var(--gray);
}

.ps-phone a {
    color: var(--blue);
    font-weight: 700;
    text-decoration: none;
}

.ps-phone a:hover { text-decoration: underline; }

/* Product benefits */
.product-benefits {
    padding: 72px 0;
}

.product-benefits__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.benefit-card {
    text-align: center;
    padding: 40px 28px;
    background: var(--bg);
    border-radius: 16px;
    border: 1px solid var(--gray-light);
    transition: transform var(--transition), box-shadow var(--transition);
}
.benefit-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.benefit-card__num {
    font-size: 3rem;
    font-weight: 800;
    color: rgba(26,95,168,.1);
    line-height: 1;
    margin-bottom: 16px;
}

.benefit-card__icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
    display: block;
}

.benefit-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.benefit-card p {
    font-size: .9rem;
    color: var(--gray);
    line-height: 1.65;
}

/* Product details tabs */
.product-details {
    background: var(--bg);
    padding: 72px 0;
}

.product-details__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin-top: 48px;
}

.detail-block {
    background: var(--white);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-light);
}

.detail-block h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--blue);
    display: inline-block;
}

.detail-block ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.detail-block ul li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: .9rem;
    color: var(--gray);
    line-height: 1.5;
}

.detail-block ul li::before {
    content: '→';
    color: var(--blue);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 1px;
}

.detail-table {
    width: 100%;
    border-collapse: collapse;
}

.detail-table tr:not(:last-child) td { border-bottom: 1px solid var(--gray-light); }

.detail-table td {
    padding: 10px 0;
    font-size: .9rem;
}

.detail-table td:first-child { font-weight: 600; color: var(--dark); width: 45%; }
.detail-table td:last-child { color: var(--gray); }

/* Product CTA */
.product-cta {
    background: linear-gradient(135deg, var(--blue-dark), var(--blue));
    padding: 72px 0;
    text-align: center;
    color: var(--white);
}

.product-cta h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.product-cta p {
    font-size: 1.05rem;
    color: rgba(255,255,255,.8);
    margin-bottom: 36px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.product-cta__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ── Header cart icon ────────────────────────────────────────────────────────── */
.header__cart {
    display: inline-flex;
    align-items: center;
    position: relative;
    padding: 8px 12px;
    border-radius: 8px;
    color: var(--dark);
    transition: all var(--transition);
}
.header__cart:hover { background: rgba(26,95,168,.08); color: var(--blue); }
.header__cart-count {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 18px;
    height: 18px;
    background: var(--blue);
    color: var(--white);
    font-size: .65rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ── Shop archive hero ─────────────────────────────────────────────────────── */
.shop-hero {
    background: var(--bg);
    padding: 64px 0;
    border-bottom: 1px solid var(--gray-light);
}

/* ── Generic page ──────────────────────────────────────────────────────────── */
.page-header {
    background: var(--bg);
    padding: 64px 0;
    border-bottom: 1px solid var(--gray-light);
}

.page-header h1 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--dark);
}

.page-content {
    padding: 64px 0;
}

.page-content .entry-content {
    max-width: 800px;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--gray);
}

.page-content .entry-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin: 32px 0 16px;
}

.page-content .entry-content p { margin-bottom: 16px; }

/* ── 404 ─────────────────────────────────────────────────────────────────────── */
.error-404 {
    text-align: center;
    padding: 120px 0;
}

.error-404__code {
    font-size: 8rem;
    font-weight: 800;
    color: var(--gray-light);
    line-height: 1;
}

.error-404 h1 { font-size: 2rem; color: var(--dark); margin-bottom: 16px; }
.error-404 p { color: var(--gray); margin-bottom: 32px; }

/* ── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .products__grid { grid-template-columns: repeat(2, 1fr); }
    .science__stats { grid-template-columns: repeat(2, 1fr); }
    .hero__inner { grid-template-columns: 1fr; }
    .hero__image-wrap { display: none; }
    .footer__inner { grid-template-columns: 1fr 1fr; gap: 32px; }
    .about__grid { grid-template-columns: 1fr; gap: 48px; }
    .science__header { grid-template-columns: 1fr; gap: 32px; }
    .contact__grid { grid-template-columns: 1fr; gap: 48px; }
    .product-details__grid { grid-template-columns: 1fr; }

    /* Product single — tablet */
    .ps-hero__grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .ps-img-col { position: static; }
    .ps-img-main { min-height: 280px; padding: 28px; }
    .ps-social-proof { max-width: 420px; margin-left: auto; margin-right: auto; }
}

@media (max-width: 768px) {
    .section { padding: 64px 0; }
    .hero { padding: 72px 0 64px; }
    .header__hamburger { display: flex; }
    .header__nav {
        display: none;
        position: absolute;
        top: 73px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--white);
        border-bottom: 1px solid var(--gray-light);
        padding: 16px 24px;
        gap: 4px;
        box-shadow: 0 8px 24px rgba(0,0,0,.08);
    }
    .header__nav.open { display: flex; }
    .header__nav a { width: 100%; padding: 12px 16px; }
    .reviews-teaser { grid-template-columns: 1fr; }
    .reviews-header { flex-direction: column; gap: 16px; }
    .product-benefits__grid { grid-template-columns: 1fr; }
    .form-row-2 { grid-template-columns: 1fr; }

    /* Product single — small tablet */
    .ps-hero { padding: 32px 0 48px; }
    .ps-cart-wrap .cart { flex-direction: column; align-items: stretch; }
    .ps-cart-wrap .quantity { justify-content: center; }
    .ps-cart-wrap .single_add_to_cart_button { min-width: unset; width: 100%; }
    .ps-whatsapp-btn { margin-top: 8px; }
    .ps-trust { gap: 10px 16px; }
}

@media (max-width: 640px) {
    .products__grid { grid-template-columns: 1fr; }
    .science__stats { grid-template-columns: 1fr 1fr; }
    .footer__inner { grid-template-columns: 1fr; gap: 28px; padding: 48px 0 32px; }
    .footer__bottom .container { flex-direction: column; align-items: flex-start; }
    .whatsapp-btn { padding: 14px; border-radius: 50%; bottom: 20px; right: 20px; }
    .whatsapp-btn__label { display: none; }

    /* Product single — mobile */
    .ps-img-main { min-height: 240px; padding: 20px; }
    .ps-title { font-size: 1.8rem; }
    .ps-social-proof { padding: 12px 8px; }
    .ps-social-proof__item strong { font-size: 1rem; }
    .ps-price-area { flex-direction: column; align-items: flex-start; gap: 8px; }
    .ps-trust { flex-direction: column; gap: 8px; }
}