/* minimalist + sharp + flat + centered-minimal + outlined
   #5A9F77 / #F2D4C9 / #0C0F24 / #ECF1F1
   reviews: clean no-frame Amazon-clone style */

:root {
    --a: #5A9F77;
    --p: #F2D4C9;
    --d: #0C0F24;
    --bg: #ECF1F1;
    --brd: #d8e0e8;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: #1a1a1a;
    font-size: clamp(14px, 4vw, 16px);
    -webkit-font-smoothing: antialiased;
}

/* HEADER centered-minimal */
.site-header { background: #fff; padding: 24px 16px 0; text-align: center; }
.header-inner { max-width: 1200px; margin: 0 auto; padding-bottom: 18px; }
.header-title {
    font-size: clamp(17px, 3.8vw, 24px);
    font-weight: 600; color: var(--d); letter-spacing: -.01em;
}
.header-rule { height: 1px; background: var(--brd); }

/* MAIN */
.site-main { max-width: 1200px; margin: 0 auto; padding: 36px 16px 52px; }

/* PRODUCT SECTION mobile-first */
.product-section {
    display: grid; grid-template-columns: 1fr;
    background: #fff; border: 1px solid var(--brd);
    margin-bottom: 44px;
}
@media (min-width: 768px) { .product-section { grid-template-columns: 1fr 1fr; } }

/* GALLERY */
.gallery-block { padding: 24px; border-bottom: 1px solid var(--brd); }
@media (min-width: 768px) { .gallery-block { border-bottom: none; border-right: 1px solid var(--brd); } }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.gimg { display: none; max-width: 100%; height: auto; width: 100%; object-fit: contain; animation: fi .3s ease; }
@keyframes fi { from { opacity: 0; } to { opacity: 1; } }

.main-img-wrap {
    background: #f8faf8; border: 1px solid var(--brd);
    min-height: 240px; display: flex; align-items: center; justify-content: center;
    padding: 12px; margin-bottom: 12px;
}

#i1:checked ~ .main-img-wrap .g1 { display: block; }
#i2:checked ~ .main-img-wrap .g2 { display: block; }
#i3:checked ~ .main-img-wrap .g3 { display: block; }
#i4:checked ~ .main-img-wrap .g4 { display: block; }

.thumbs { display: flex; gap: 8px; justify-content: center; }
.tl { cursor: pointer; border: 1px solid var(--brd); display: block; transition: border-color .2s; }
.tl:hover { border-color: var(--a); }
.tl img { width: 52px; height: 52px; object-fit: cover; display: block; }
#i1:checked ~ .thumbs label[for="i1"],
#i2:checked ~ .thumbs label[for="i2"],
#i3:checked ~ .thumbs label[for="i3"],
#i4:checked ~ .thumbs label[for="i4"] { border: 2px solid var(--a); }

/* PRODUCT INFO */
.product-info { padding: 28px 24px; display: flex; flex-direction: column; justify-content: flex-start; }

.overline { font-size: 10px; font-weight: 700; letter-spacing: .2em; color: var(--a); text-transform: uppercase; margin-bottom: 12px; }

.product-title { font-size: clamp(16px, 3.8vw, 22px); font-weight: 600; color: var(--d); line-height: 1.35; margin-bottom: 22px; }

/* FEATURES — label + paragraph rows */
.feat-list { list-style: none; display: flex; flex-direction: column; gap: 0; margin-bottom: 20px; }
.feat { display: flex; gap: 0; flex-direction: column; padding: 12px 0; border-bottom: 1px solid #eef2f0; font-size: clamp(13px, 3.5vw, 14px); line-height: 1.6; color: #444; }
.feat:last-child { border-bottom: none; }
.fl { font-size: 10px; font-weight: 700; color: var(--a); text-transform: uppercase; letter-spacing: .15em; margin-bottom: 4px; }

.kw-note { font-size: 13px; color: #555; background: #f0f8f4; border-left: 2px solid var(--a); padding: 10px 14px; }

/* CTA outlined */
.cta-wrap { text-align: center; margin-bottom: 48px; }
.cta-btn {
    display: inline-block; background: transparent;
    color: var(--a); font-weight: 700;
    font-size: clamp(14px, 4vw, 16px);
    text-transform: uppercase; letter-spacing: .1em;
    padding: 15px 52px; min-height: 44px;
    border: 2px solid var(--a); text-decoration: none;
    transition: all .2s;
}
.cta-btn:hover { background: var(--a); color: #fff; }
.cta-btn:active { opacity: .9; }

/* REVIEWS — clean Amazon no-frame style */
.reviews-section { max-width: 800px; margin: 0 auto; padding-bottom: 40px; }

.rev-title {
    font-size: clamp(18px, 4vw, 24px);
    font-weight: 700; color: var(--d); margin-bottom: 20px;
    padding-bottom: 8px; border-bottom: 1px solid var(--brd);
}

.reviews-list { display: flex; flex-direction: column; }
.rev-item { padding: 18px 0; }
.rev-divider { height: 1px; background: #eef2f0; }

.rev-top { display: flex; gap: 12px; align-items: center; margin-bottom: 8px; }
.rev-ava { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; flex-shrink: 0; border: 1px solid var(--brd); }
.rev-name { font-weight: 700; font-size: 14px; color: var(--d); margin-bottom: 2px; }
.rev-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.stars { color: #d4a800; font-size: 13px; font-weight: 700; }
.rev-hl { font-weight: 600; font-size: 13px; color: #222; }
.rev-date { font-size: 12px; color: #bbb; margin-bottom: 6px; }
.rev-badge { font-size: 11px; color: #888; display: block; margin-bottom: 10px; }
.rev-text { font-size: clamp(13px, 3.5vw, 14px); color: #444; line-height: 1.65; }

/* FOOTER */
.site-footer { background: var(--d); padding: 28px 16px; }
.footer-inner { max-width: 1200px; margin: 0 auto; text-align: center; }
.fname { font-size: 12px; color: rgba(255,255,255,.3); margin-bottom: 14px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.fnav { display: flex; flex-direction: column; align-items: center; gap: 8px; }
@media (min-width: 768px) { .fnav { flex-direction: row; justify-content: center; gap: 16px; } }
.flink { color: rgba(255,255,255,.4); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; font-weight: 600; text-decoration: none; transition: color .2s; }
.flink:hover { color: var(--p); }
.fsep { color: rgba(255,255,255,.12); display: none; }
@media (min-width: 768px) { .fsep { display: inline; } }