/* ==========================================================
   VELSKINCARE — Design System
   Palette: botanical ink + stone paper + moss, clay used only
   as the single CTA accent (a "formulation ledger" motif runs
   through product cards — percentages + dotted price leaders,
   echoing an INCI ingredient list / lab notebook).
   ========================================================== */

:root {
    --ink:        #30382C;
    --ink-soft:   #4F5A45;
    --paper:      #F7F3EA;
    --paper-dim:  #EFE8D6;
    --sand:       #DCE3D3;
    --moss:       #C6A96B;
    --moss-dark:  #A9873F;
    --clay:       #A8B89F;
    --clay-dark:  #8CA084;
    --line:       #D3D9C9;
    --white:      #FFFFFF;
    --error:      #B3483D;
    --success:    #4B6B43;

    --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
    --font-body:    'Work Sans', -apple-system, Helvetica, Arial, sans-serif;
    --font-mono:    'IBM Plex Mono', 'Courier New', monospace;

    --radius: 3px;
    --radius-lg: 6px;
    --shadow: 0 1px 2px rgba(35,38,31,0.06), 0 6px 20px rgba(35,38,31,0.05);
    --max-width: 1180px;
}

@font-face {
    font-family: 'Fraunces';
    src: local('Georgia');
    font-display: swap;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-body);
    background: var(--paper);
    color: var(--ink);
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

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

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.12;
    margin: 0 0 .5em;
    color: var(--ink);
    letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.2rem, 4vw, 3.4rem); font-weight: 500; }
h2 { font-size: clamp(1.6rem, 2.6vw, 2.1rem); }
h3 { font-size: 1.25rem; }

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

.eyebrow {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--moss);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
}
.eyebrow::before {
    content: '';
    width: 18px;
    height: 1px;
    background: var(--clay);
}

/* -------------------- Buttons -------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: .04em;
    text-transform: uppercase;
    padding: 13px 26px;
    border-radius: var(--radius);
    border: 1px solid var(--ink);
    background: transparent;
    color: var(--ink);
    cursor: pointer;
    transition: background .15s ease, color .15s ease, transform .1s ease;
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn:active { transform: translateY(1px); }

.btn-primary {
    background: var(--clay);
    border-color: var(--clay);
    color: var(--white);
}
.btn-primary:hover { background: var(--clay-dark); border-color: var(--clay-dark); color: var(--white); }

.btn-full { width: 100%; }
.btn-sm { padding: 8px 16px; font-size: 11px; }
.btn-ghost { border-color: var(--line); color: var(--ink-soft); }
.btn-ghost:hover { background: var(--ink); border-color: var(--ink); }
.btn[disabled] { opacity: .45; cursor: not-allowed; pointer-events: none; }

/* -------------------- Header -------------------- */
.site-header {
    position: sticky; top: 0; z-index: 40;
    background: rgba(241,236,221,.92);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--line);
}
.site-header .container {
    display: flex; align-items: center; justify-content: space-between;
    height: 76px;
}
.logo {
    font-family: var(--font-display);
    font-size: 22px; font-weight: 600; letter-spacing: -.01em;
}
.logo span { color: var(--moss); }
.main-nav { display: flex; gap: 32px; align-items: center; }
.main-nav a {
    font-family: var(--font-mono);
    font-size: 12px; letter-spacing: .06em; text-transform: uppercase;
    color: var(--ink-soft);
    padding: 6px 0;
    border-bottom: 1px solid transparent;
}
.main-nav a:hover, .main-nav a.active { color: var(--ink); border-color: var(--clay); }
.header-actions { display: flex; align-items: center; gap: 20px; }
.cart-link {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .06em;
    border: 1px solid var(--ink); border-radius: var(--radius);
    padding: 9px 14px;
}
.cart-link:hover { background: var(--ink); color: var(--paper); }
.cart-count {
    background: var(--clay); color: var(--white);
    font-size: 11px; min-width: 18px; height: 18px; border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    padding: 0 4px;
}
.menu-toggle { display: none; background: none; border: none; font-size: 24px; cursor: pointer; color: var(--ink); }

.account-menu { position: relative; }
.account-trigger {
    font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .06em;
    border: 1px solid var(--ink); border-radius: var(--radius);
    padding: 9px 14px; background: transparent; color: var(--ink); cursor: pointer;
}
.account-trigger:hover { background: var(--ink); color: var(--paper); }
.account-dropdown {
    display: none;
    position: absolute; top: calc(100% + 8px); right: 0;
    min-width: 190px;
    background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
    box-shadow: var(--shadow); z-index: 50; overflow: hidden;
}
.account-menu.open .account-dropdown { display: block; }
.account-dropdown a {
    display: block; padding: 12px 16px;
    font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .04em;
    color: var(--ink-soft);
}
.account-dropdown a:hover { background: var(--paper); color: var(--ink); }
.account-dropdown .divider { border-top: 1px solid var(--line); margin: 4px 0; }

/* -------------------- Hero -------------------- */
.hero {
    position: relative;
    padding: 72px 0 60px;
    border-bottom: 1px solid var(--line);
    background: var(--paper);
    overflow: hidden;
}
.hero-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}
.hero .container.hero-grid { position: relative; z-index: 1; }
.hero .eyebrow { color: #F7EFEC; }
.hero .eyebrow::before { background: #FFFFFF; }
.hero h1 { color: #FFFFFF; }
.hero .lede { color: #F5EDEA; }
.hero h1, .hero .lede, .hero .eyebrow {
    text-shadow: 0 1px 3px rgba(0,0,0,0.45), 0 2px 16px rgba(0,0,0,0.35);
}
.hero .btn-ghost { border-color: #FFFFFF; color: #FFFFFF; }
.hero .btn-ghost:hover { background: rgba(255,255,255,0.15); color: #FFFFFF; }
@media (prefers-reduced-motion: reduce) {
    .hero-video { display: none; }
}
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.hero h1 { max-width: 620px; }
.hero .lede { font-size: 18px; max-width: 480px; }
.hero-cta { display: flex; gap: 14px; margin-top: 28px; }

.formulation-card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 26px 28px;
    box-shadow: var(--shadow);
}
.formulation-card .fc-title {
    font-family: var(--font-mono); font-size: 11px; text-transform: uppercase;
    letter-spacing: .1em; color: var(--moss); margin-bottom: 16px;
    display: flex; justify-content: space-between;
}
.fc-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: 10px 0; border-bottom: 1px dashed var(--line);
    font-family: var(--font-mono); font-size: 13px;
}
.fc-row:last-child { border-bottom: none; }
.fc-row .fc-bar { flex: 1; margin: 0 14px; height: 4px; background: var(--sand); border-radius: 2px; overflow: hidden; }
.fc-row .fc-bar span { display: block; height: 100%; background: var(--moss); }

/* -------------------- Sections -------------------- */
.section { padding: 64px 0; }
.section-head {
    display: flex; align-items: flex-end; justify-content: space-between;
    margin-bottom: 32px; gap: 20px; flex-wrap: wrap;
}
.section-head .see-all { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; border-bottom: 1px solid var(--clay); padding-bottom: 2px; }

.category-strip { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }
.category-chip {
    font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .05em;
    border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px;
    color: var(--ink-soft);
}
.category-chip:hover, .category-chip.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* -------------------- Product Grid / Cards -------------------- */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 26px;
}
.product-card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex; flex-direction: column;
    transition: box-shadow .2s ease, transform .2s ease;
    position: relative;
}
.product-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.product-card .badge {
    position: absolute; top: 12px; left: 12px;
    background: var(--clay); color: var(--white);
    font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; letter-spacing: .06em;
    padding: 4px 9px; border-radius: 999px; z-index: 2;
}
.product-card .thumb { aspect-ratio: 1/1; background: var(--sand); overflow: hidden; }
.product-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-card .pc-body { padding: 18px 18px 20px; display: flex; flex-direction: column; flex: 1; }
.product-card .pc-cat { font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; letter-spacing: .08em; color: var(--moss); margin-bottom: 6px; }
.product-card h3 { font-size: 17px; margin-bottom: 4px; }
.product-card .pc-desc { font-size: 13px; color: var(--ink-soft); margin-bottom: 14px; flex: 1; }
.price-row { display: flex; align-items: baseline; gap: 10px; margin-bottom: 14px; font-family: var(--font-mono); }
.price-row .price { font-size: 16px; font-weight: 600; color: var(--ink); }
.price-row .compare { font-size: 13px; color: var(--ink-soft); text-decoration: line-through; opacity: .6; }
.pc-actions { display: flex; gap: 8px; }
.pc-actions form { flex: 1; }

.stock-note { font-family: var(--font-mono); font-size: 11px; color: var(--error); text-transform: uppercase; letter-spacing: .05em; }

/* -------------------- Product Detail -------------------- */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; padding: 48px 0 72px; }
.pd-gallery { background: var(--sand); border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 1/1; border: 1px solid var(--line); }
.pd-info .pc-cat { margin-bottom: 10px; }
.pd-price { font-family: var(--font-mono); font-size: 22px; margin: 14px 0 22px; display: flex; align-items: baseline; gap: 12px; }
.pd-price .compare { font-size: 15px; text-decoration: line-through; color: var(--ink-soft); opacity: .6; }
.pd-meta { display: flex; gap: 22px; margin: 22px 0; padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pd-meta div { font-size: 13px; }
.pd-meta strong { display: block; font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; letter-spacing: .08em; color: var(--moss); margin-bottom: 4px; }
.qty-stepper { display: inline-flex; align-items: center; border: 1px solid var(--ink); border-radius: var(--radius); overflow: hidden; margin-right: 14px; }
.qty-stepper button { background: none; border: none; width: 38px; height: 44px; cursor: pointer; font-family: var(--font-mono); font-size: 16px; }
.qty-stepper input { width: 44px; text-align: center; border: none; border-left: 1px solid var(--line); border-right: 1px solid var(--line); height: 44px; font-family: var(--font-mono); }
.add-to-cart-row { display: flex; align-items: center; margin: 26px 0; }
.ingredient-list { font-family: var(--font-mono); font-size: 13px; color: var(--ink-soft); line-height: 1.8; }

/* -------------------- Cart -------------------- */
.cart-layout { display: grid; grid-template-columns: 1fr 360px; gap: 48px; padding: 48px 0 80px; align-items: start; }
.cart-item { display: grid; grid-template-columns: 84px 1fr auto; gap: 18px; align-items: center; padding: 20px 0; border-bottom: 1px solid var(--line); }
.cart-item .thumb { width: 84px; height: 84px; border-radius: var(--radius); overflow: hidden; background: var(--sand); border: 1px solid var(--line); }
.cart-item h4 { margin: 0 0 4px; font-size: 15px; }
.cart-item .unit-price { font-family: var(--font-mono); font-size: 12px; color: var(--ink-soft); }
.cart-item .cart-controls { display: flex; align-items: center; gap: 14px; }
.cart-item .line-total { font-family: var(--font-mono); font-weight: 600; min-width: 84px; text-align: right; }
.remove-link { font-family: var(--font-mono); font-size: 11px; color: var(--error); text-transform: uppercase; letter-spacing: .04em; background: none; border: none; cursor: pointer; padding: 0; }

.summary-card {
    background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
    padding: 26px; position: sticky; top: 100px;
}
.summary-row { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 14px; padding: 10px 0; border-bottom: 1px dashed var(--line); }
.summary-row.total { border-bottom: none; border-top: 1px solid var(--ink); margin-top: 6px; padding-top: 16px; font-size: 17px; font-weight: 600; }
.empty-state { text-align: center; padding: 80px 20px; }

/* -------------------- Forms -------------------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group.full { grid-column: 1 / -1; }
label { display: block; font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--moss); margin-bottom: 7px; }
input[type=text], input[type=email], input[type=tel], input[type=number], input[type=password], select, textarea {
    width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius);
    font-family: var(--font-body); font-size: 14px; background: var(--white); color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--moss); outline-offset: 1px; border-color: var(--moss); }
textarea { resize: vertical; min-height: 90px; }

.alert { padding: 14px 18px; border-radius: var(--radius); font-size: 14px; margin-bottom: 20px; border: 1px solid transparent; }
.alert-error { background: #F6E4DF; border-color: var(--error); color: var(--error); }
.alert-success { background: #E7EEE2; border-color: var(--success); color: var(--success); }

/* -------------------- Footer -------------------- */
.site-footer { background: var(--ink); color: var(--paper-dim); padding: 56px 0 28px; margin-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid #3C3F33; }
.site-footer h4 { color: var(--paper); font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 16px; }
.site-footer .logo { color: var(--paper); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 10px; font-size: 13px; }
.site-footer a:hover { color: var(--clay); }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 24px; font-size: 12px; font-family: var(--font-mono); color: #8C8D7C; flex-wrap: wrap; gap: 10px; }

/* -------------------- Misc pages -------------------- */
.page-header { padding: 48px 0 20px; border-bottom: 1px solid var(--line); }
.breadcrumb { font-family: var(--font-mono); font-size: 12px; color: var(--ink-soft); margin-bottom: 10px; }
.breadcrumb a:hover { color: var(--clay); }

.order-success { text-align: center; padding: 90px 20px; max-width: 560px; margin: 0 auto; }
.order-success .ref { font-family: var(--font-mono); background: var(--white); border: 1px dashed var(--line); padding: 14px 20px; border-radius: var(--radius); display: inline-block; margin: 18px 0 28px; }

/* -------------------- Responsive -------------------- */
@media (max-width: 900px) {
    .hero-grid { grid-template-columns: 1fr; }
    .product-detail { grid-template-columns: 1fr; }
    .cart-layout { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
    .main-nav { display: none; }
    .menu-toggle { display: block; }
    .form-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
}

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 2px solid var(--moss);
    outline-offset: 2px;
}