/* ============================================================
   SKIN KINGDOM CARE LABORATORIES - shared stylesheet
   Light corporate aesthetic. Sans-serif. Sage accent.
   ============================================================ */

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

:root {
    --bg:        #f7f5f0;       /* warm off-white  */
    --bg-card:   #ffffff;
    --bg-soft:   #efece5;
    --ink:       #1a1a1a;
    --ink-mid:   #4a4a48;
    --ink-soft:  #6e6e6c;
    --ink-faint: #9a9a96;
    --line:      #d8d4ca;
    --line-soft: #e6e2d8;
    --accent:    #5a7a6c;        /* sage green - lab/scientific */
    --accent-d:  #3f5a4f;
    --accent-l:  #e3ebe6;
    --warn:      #b85c3a;
    --radius:    2px;
    --maxw:      1140px;
}

html, body {
    margin: 0; padding: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-weight: 400;
    line-height: 1.65;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--accent-d);
    text-decoration: none;
    transition: color .18s ease;
}
a:hover { color: var(--ink); }

h1, h2, h3, h4, h5 {
    font-family: inherit;
    font-weight: 500;
    color: var(--ink);
    letter-spacing: -0.012em;
    margin: 0 0 .55em;
    line-height: 1.2;
}
h1 { font-size: clamp(2rem, 4.2vw, 3.2rem); font-weight: 500; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.55rem, 2.8vw, 2.1rem); }
h3 { font-size: 1.18rem; font-weight: 600; }
h4 { font-size: .92rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }

p { margin: 0 0 1em; color: var(--ink-mid); }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

.eyebrow {
    font-size: .72rem;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 14px;
    display: inline-block;
}

/* ===================== BUTTONS ===================== */
.btn {
    display: inline-block;
    padding: 12px 26px;
    border-radius: var(--radius);
    font-size: .85rem;
    font-weight: 500;
    letter-spacing: .04em;
    cursor: pointer;
    border: 1px solid var(--ink);
    background: var(--ink);
    color: var(--bg);
    transition: all .2s ease;
    text-align: center;
    font-family: inherit;
}
.btn:hover { background: var(--accent-d); border-color: var(--accent-d); color: #fff; }
.btn-outline {
    background: transparent;
    color: var(--ink);
}
.btn-outline:hover { background: var(--ink); color: var(--bg); }

/* ===================== TOP UTILITY BAR ===================== */
.utility-bar {
    background: var(--ink);
    color: var(--ink-faint);
    font-size: .76rem;
    letter-spacing: .04em;
    padding: 8px 0;
}
.utility-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}
.utility-bar a { color: #d8d4ca; }
.utility-bar a:hover { color: #fff; }

/* ===================== NAV ===================== */
.nav {
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: 0;
    z-index: 50;
}
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 28px;
    max-width: var(--maxw);
    margin: 0 auto;
    gap: 24px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--ink);
}
.brand-mark {
    width: 32px; height: 32px;
    border: 1.5px solid var(--ink);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: .82rem;
    letter-spacing: .04em;
    background: var(--bg);
}
.brand-text {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: .01em;
    line-height: 1.1;
}
.brand-text small {
    display: block;
    font-size: .64rem;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--ink-soft);
    font-weight: 500;
    margin-top: 2px;
}
.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
    margin: 0; padding: 0;
}
.nav-links a {
    color: var(--ink);
    font-size: .9rem;
    font-weight: 500;
    padding: 4px 0;
    border-bottom: 1px solid transparent;
    transition: border-color .2s;
}
.nav-links a:hover, .nav-links a.active {
    border-bottom-color: var(--accent);
}
.nav-cta {
    padding: 10px 18px;
    background: var(--ink);
    color: var(--bg) !important;
    border-radius: var(--radius);
    font-size: .82rem;
    font-weight: 500;
    letter-spacing: .04em;
    transition: background .2s;
}
.nav-cta:hover { background: var(--accent-d); color: #fff !important; }

@media (max-width: 820px) {
    .nav-links { display: none; }
}

/* ===================== HERO ===================== */
.hero {
    padding: 110px 0 90px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 80px;
    align-items: end;
}
.hero h1 { margin-bottom: 24px; }
.hero-lede {
    font-size: 1.12rem;
    color: var(--ink-mid);
    max-width: 560px;
    margin-bottom: 32px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-meta {
    border-top: 1px solid var(--line);
    padding-top: 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px 28px;
}
.hero-meta dt {
    font-size: .68rem;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--ink-soft);
    margin-bottom: 4px;
    font-weight: 500;
}
.hero-meta dd {
    margin: 0;
    font-size: .92rem;
    color: var(--ink);
    font-weight: 500;
}
@media (max-width: 880px) {
    .hero { padding: 70px 0 60px; }
    .hero-grid { grid-template-columns: 1fr; gap: 48px; }
}

/* ===================== TRUST STRIP ===================== */
.trust-strip {
    background: var(--bg-soft);
    padding: 26px 0;
    border-bottom: 1px solid var(--line);
}
.trust-strip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px 48px;
    justify-content: center;
    align-items: center;
    color: var(--ink-soft);
    font-size: .74rem;
    letter-spacing: .2em;
    text-transform: uppercase;
    font-weight: 500;
}

/* ===================== SECTIONS ===================== */
section { padding: 90px 0; }
@media (max-width: 680px) { section { padding: 60px 0; } }
.section-head { max-width: 720px; margin-bottom: 54px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { font-size: 1.04rem; color: var(--ink-mid); margin-bottom: 0; }

/* ===================== CAPABILITIES (4-tile grid) ===================== */
.cap-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
}
.cap {
    background: var(--bg-card);
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 36px 30px 32px;
    transition: background .2s ease;
}
.cap:hover { background: var(--bg-soft); }
.cap-icon {
    width: 36px; height: 36px;
    color: var(--accent);
    margin-bottom: 22px;
}
.cap h3 { font-size: 1.08rem; margin-bottom: 8px; }
.cap p { font-size: .9rem; line-height: 1.55; color: var(--ink-mid); margin-bottom: 0; }
@media (max-width: 980px) { .cap-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .cap-grid { grid-template-columns: 1fr; } }

/* ===================== SPLIT (two-col) ===================== */
.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}
.split.reverse > div:first-child { order: 2; }
@media (max-width: 880px) {
    .split { grid-template-columns: 1fr; gap: 40px; }
    .split.reverse > div:first-child { order: 0; }
}
.split-image {
    aspect-ratio: 4/3;
    background: var(--bg-soft) url('images/lab-placeholder.jpg') center/cover no-repeat;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    /* Replace background-image with your actual lab/facility photo */
}

/* ===================== INGREDIENT TABLE ===================== */
.ing-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border: 1px solid var(--line);
    font-size: .92rem;
}
.ing-table thead th {
    background: var(--ink);
    color: #fff;
    text-align: left;
    padding: 14px 18px;
    font-size: .72rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    font-weight: 500;
}
.ing-table tbody tr { border-top: 1px solid var(--line-soft); }
.ing-table tbody tr:hover { background: var(--bg-soft); }
.ing-table td {
    padding: 16px 18px;
    color: var(--ink);
    vertical-align: top;
}
.ing-table td.ing-name { font-weight: 600; }
.ing-table td.ing-inci {
    font-family: 'SF Mono', Consolas, Monaco, monospace;
    font-size: .82rem;
    color: var(--ink-soft);
}
.ing-table .ing-tag {
    display: inline-block;
    padding: 3px 10px;
    background: var(--accent-l);
    color: var(--accent-d);
    border-radius: 999px;
    font-size: .7rem;
    font-weight: 500;
    letter-spacing: .04em;
}
@media (max-width: 760px) {
    .ing-table thead { display: none; }
    .ing-table tr { display: block; padding: 14px 16px; border-top: 1px solid var(--line); }
    .ing-table td { display: block; padding: 4px 0; }
    .ing-table td.ing-inci { padding-bottom: 8px; }
}

/* ===================== DIRECT CATALOG (small product grid w/ images) ===================== */
.direct-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}
@media (max-width: 980px) { .direct-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .direct-grid { grid-template-columns: 1fr; } }
.direct {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color .2s, transform .2s;
    display: flex;
    flex-direction: column;
}
.direct:hover { border-color: var(--accent); transform: translateY(-2px); }
.direct-img {
    aspect-ratio: 1/1;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--line);
    background-size: cover;
    background-position: center;
}
.direct-body { padding: 20px 22px 22px; flex: 1; display: flex; flex-direction: column; }
.direct-cat {
    font-size: .68rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 6px;
}
.direct h3 { font-size: 1rem; margin-bottom: 6px; font-weight: 600; }
.direct-sub { font-size: .82rem; color: var(--ink-soft); flex: 1; margin-bottom: 14px; }
.direct-foot {
    padding-top: 14px;
    border-top: 1px solid var(--line-soft);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.direct-price {
    font-weight: 600;
    font-size: 1rem;
}
.direct-link {
    font-size: .76rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    font-weight: 500;
    color: var(--accent-d);
}

/* ===================== PROCESS STEPS ===================== */
.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    counter-reset: step;
}
.step {
    padding: 30px 26px;
    border-left: 1px solid var(--line);
    counter-increment: step;
}
.step:first-child { border-left: 0; }
.step-num {
    font-size: .72rem;
    letter-spacing: .22em;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 12px;
}
.step-num::before { content: "STEP "; }
.step-num::after { content: counter(step, decimal-leading-zero); }
.step h3 { font-size: 1.05rem; margin-bottom: 8px; }
.step p { font-size: .88rem; margin-bottom: 0; }
@media (max-width: 980px) {
    .steps { grid-template-columns: repeat(2, 1fr); }
    .step { border-left: 0; border-top: 1px solid var(--line); }
    .step:nth-child(2n+1) { border-left: 0; }
}
@media (max-width: 520px) {
    .steps { grid-template-columns: 1fr; }
}

/* ===================== STAT ROW ===================== */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}
.stat {
    padding: 36px 24px;
    border-right: 1px solid var(--line);
    text-align: center;
}
.stat:last-child { border-right: 0; }
.stat-num {
    font-size: 2.2rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin-bottom: 6px;
}
.stat-label {
    font-size: .72rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--ink-soft);
    font-weight: 500;
}
@media (max-width: 760px) {
    .stats { grid-template-columns: repeat(2, 1fr); }
    .stat:nth-child(2) { border-right: 0; }
    .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line); }
}

/* ===================== CTA STRIP ===================== */
.cta-strip {
    background: var(--ink);
    color: var(--bg);
    padding: 80px 0;
    text-align: center;
}
.cta-strip h2 { color: #fff; margin-bottom: 14px; }
.cta-strip p { color: rgba(255,255,255,.72); max-width: 580px; margin: 0 auto 28px; }
.cta-strip .btn {
    background: var(--bg);
    color: var(--ink);
    border-color: var(--bg);
}
.cta-strip .btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ===================== INQUIRY FORM ===================== */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px 18px;
}
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 680px) { .form-grid { grid-template-columns: 1fr; } }
.form-row label {
    display: block;
    font-size: .76rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--ink-soft);
    font-weight: 500;
    margin-bottom: 6px;
}
.form-row input,
.form-row select,
.form-row textarea {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: .94rem;
    color: var(--ink);
    transition: border-color .18s;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
    outline: none;
    border-color: var(--accent);
}
.form-row textarea { min-height: 130px; resize: vertical; }
.form-note {
    font-size: .82rem;
    color: var(--ink-soft);
    margin-top: 14px;
    margin-bottom: 0;
}

/* ===================== INFO BOXES ===================== */
.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
@media (max-width: 760px) { .info-grid { grid-template-columns: 1fr; } }
.info {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px 26px;
}
.info h4 {
    color: var(--accent-d);
    font-size: .76rem;
    letter-spacing: .14em;
    margin-bottom: 8px;
}
.info p { font-size: .92rem; margin-bottom: 0; }
.info-link {
    display: inline-block;
    margin-top: 14px;
    font-size: .82rem;
    color: var(--accent-d);
    font-weight: 500;
    border-bottom: 1px solid var(--accent);
    padding-bottom: 1px;
}

/* ===================== FAQ ===================== */
.faq { max-width: 780px; margin: 0 auto; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
    padding: 22px 0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--ink);
    font-size: 1rem;
    font-weight: 500;
    list-style: none;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q::after {
    content: "+";
    color: var(--accent);
    font-size: 1.4rem;
    font-weight: 300;
    transition: transform .2s;
}
.faq-item[open] .faq-q::after { content: "−"; }
.faq-a { padding: 0 0 22px; color: var(--ink-mid); font-size: .94rem; }

/* ===================== FOOTER ===================== */
footer {
    background: var(--ink);
    color: rgba(255,255,255,.6);
    padding: 64px 0 30px;
    margin-top: 0;
}
.foot-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 44px;
}
@media (max-width: 780px) { .foot-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 480px) { .foot-grid { grid-template-columns: 1fr; } }
.foot-grid h4 {
    color: rgba(255,255,255,.92);
    font-size: .72rem;
    letter-spacing: .2em;
    margin-bottom: 18px;
}
.foot-grid ul { list-style: none; margin: 0; padding: 0; }
.foot-grid li { margin-bottom: 9px; font-size: .88rem; }
.foot-grid a { color: rgba(255,255,255,.62); }
.foot-grid a:hover { color: #fff; }
.foot-about p { color: rgba(255,255,255,.55); font-size: .88rem; line-height: 1.65; max-width: 320px; }
.foot-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,.1);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: .78rem;
    color: rgba(255,255,255,.45);
}
.foot-brand {
    display: flex; align-items: center; gap: 12px;
    color: #fff;
    margin-bottom: 18px;
}
.foot-brand .brand-mark {
    border-color: rgba(255,255,255,.6);
    color: #fff;
    background: transparent;
}
.foot-brand .brand-text { color: #fff; }
.foot-brand .brand-text small { color: rgba(255,255,255,.5); }