/* ProteinRanked — design system */
:root {
  --bg: #f5faf6;
  --card: #ffffff;
  --ink: #0e1b15;
  --muted: #5b6c66;
  --hair: #e3eae5;
  --hair-strong: #cdd9d2;
  --green: #0f8a55;
  --green-deep: #0a6e44;
  --green-50: #e7f5ee;
  --green-100: #d2ecdd;
  --blue: #2563eb;
  --blue-deep: #1d4fc4;
  --blue-50: #e6efff;
  --amber: #f4b942;
  --shadow-sm: 0 1px 0 rgba(14,27,21,.04);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-feature-settings: 'cv11', 'ss01';
  -webkit-font-smoothing: antialiased;
}
button { font-family: inherit; cursor: pointer; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ----- Top nav ----- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245,250,246,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hair);
}
.nav-inner {
  max-width: 1240px; margin: 0 auto;
  padding: 14px 28px;
  display: flex; align-items: center; gap: 24px;
}
.brand-mark {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 19px; letter-spacing: -0.02em;
}
.brand-dot {
  width: 26px; height: 26px; border-radius: 7px;
  background: var(--green);
  display: inline-flex; align-items: center; justify-content: center;
  color: white; font-weight: 800; font-size: 14px;
  box-shadow: inset 0 -3px 0 rgba(0,0,0,.12);
}
.brand-mark .pr-blue { color: var(--blue); }

.nav-tabs { display: flex; gap: 4px; margin-left: 12px; }
.nav-tab {
  padding: 8px 14px; border-radius: 8px;
  font-size: 14px; font-weight: 500; color: var(--muted);
  background: transparent; border: 0;
}
.nav-tab:hover { color: var(--ink); background: rgba(15,138,85,.06); }
.nav-tab.active { color: var(--green-deep); background: var(--green-50); font-weight: 600; }

.nav-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.icon-btn {
  width: 38px; height: 38px; border-radius: 10px;
  border: 1px solid var(--hair); background: var(--card);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--ink);
}
.icon-btn:hover { border-color: var(--hair-strong); }

/* ----- Buttons ----- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 16px; border-radius: 10px;
  font-size: 14px; font-weight: 600; border: 1px solid transparent;
  transition: transform .08s ease, background .12s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--green); color: white; }
.btn-primary:hover { background: var(--green-deep); }
.btn-blue { background: var(--blue); color: white; }
.btn-blue:hover { background: var(--blue-deep); }
.btn-ghost { background: var(--card); border-color: var(--hair); color: var(--ink); }
.btn-ghost:hover { border-color: var(--hair-strong); background: #fafdfb; }
.btn-lg { padding: 13px 20px; font-size: 15px; border-radius: 12px; }

/* ----- Search ----- */
.search {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px;
  background: var(--card); border: 1px solid var(--hair);
  border-radius: 12px; min-width: 280px;
}
.search input {
  flex: 1; border: 0; outline: 0; font-size: 14px; background: transparent;
  font-family: inherit; color: var(--ink);
}
.search input::placeholder { color: var(--muted); }
.search kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px; padding: 2px 6px; border-radius: 5px;
  background: var(--green-50); color: var(--green-deep);
  border: 1px solid var(--green-100);
}

/* ----- Page wrap ----- */
.wrap { max-width: 1240px; margin: 0 auto; padding: 36px 28px 80px; }
.eyebrow {
  font-size: 12px; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--green-deep);
}
.h1 { font-size: 56px; font-weight: 800; letter-spacing: -0.035em; line-height: 1.02; margin: 0; }
.h2 { font-size: 28px; font-weight: 700; letter-spacing: -0.02em; margin: 0; }
.h3 { font-size: 18px; font-weight: 600; letter-spacing: -0.01em; margin: 0; }
.text-muted { color: var(--muted); }

/* ----- Stars ----- */
.stars { display: inline-flex; align-items: center; gap: 2px; }
.stars svg { width: 16px; height: 16px; }
.stars.lg svg { width: 22px; height: 22px; }
.stars .full { color: var(--green); fill: var(--green); }
.stars .empty { color: var(--hair-strong); fill: var(--hair-strong); }
.rating-row {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--muted);
}
.rating-num {
  font-weight: 700; color: var(--ink); font-size: 14px;
}

/* ----- Cards ----- */
.card {
  background: var(--card); border: 1px solid var(--hair); border-radius: 14px;
}
.card-pad { padding: 18px; }

/* ----- Featured four ----- */
.featured-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
}
.feature {
  position: relative;
  padding: 22px;
  border-radius: 18px;
  border: 1px solid var(--hair);
  background: var(--card);
  overflow: hidden;
}
.feature-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 10px; border-radius: 999px;
}
.feature--taste { background: linear-gradient(180deg, #ecf7f0 0%, #ffffff 60%); }
.feature--taste .feature-tag { background: var(--green); color: white; }
.feature--mixability { background: linear-gradient(180deg, #eef3ff 0%, #ffffff 60%); }
.feature--mixability .feature-tag { background: var(--blue); color: white; }
.feature--value { background: linear-gradient(180deg, #f3efe6 0%, #ffffff 60%); }
.feature--value .feature-tag { background: #b07a2b; color: white; }
.feature--ingredients { background: linear-gradient(180deg, #f3eef7 0%, #ffffff 60%); }
.feature--ingredients .feature-tag { background: #7b4fa6; color: white; }
.feature-title { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; }
.feature-img-wrap {
  height: 220px;
  display: flex; align-items: end; justify-content: center;
  margin-top: 14px; position: relative;
}
.feature-img-wrap img { max-height: 100%; width: auto; object-fit: contain; filter: drop-shadow(0 12px 18px rgba(14,27,21,.10)); }
.feature-meta {
  margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--hair);
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px; color: var(--muted);
}

/* ----- Carousel ----- */
.carousel-head {
  display: flex; align-items: end; justify-content: space-between; margin-bottom: 16px;
}
.carousel {
  display: flex; gap: 14px; overflow-x: auto;
  padding-bottom: 10px; scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}
.carousel::-webkit-scrollbar { height: 6px; }
.carousel::-webkit-scrollbar-thumb { background: var(--hair-strong); border-radius: 999px; }
.tcard {
  flex: 0 0 230px;
  scroll-snap-align: start;
  background: var(--card); border: 1px solid var(--hair); border-radius: 14px;
  padding: 14px; display: flex; flex-direction: column; gap: 10px;
  transition: border-color .12s ease, transform .12s ease;
}
.tcard:hover { border-color: var(--green-100); transform: translateY(-2px); }
.tcard-thumb {
  position: relative;
  height: 160px; border-radius: 10px;
  background: linear-gradient(180deg, #f6faf7 0%, #eef5f0 100%);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.tcard-thumb img { max-height: 88%; max-width: 88%; object-fit: contain; }
.rank-stamp {
  position: absolute; top: 8px; left: 8px;
  background: var(--green); color: white;
  font-size: 11px; font-weight: 700; padding: 3px 8px;
  border-radius: 999px;
  letter-spacing: 0.04em;
}
.tcard-brand {
  font-size: 11px; font-weight: 600; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--muted);
}
.tcard-name { font-size: 14px; font-weight: 600; line-height: 1.3; }
.tcard-row {
  margin-top: auto;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12px;
}
.trend-up {
  display: inline-flex; align-items: center; gap: 3px;
  font-size: 11px; font-weight: 600; color: var(--green-deep);
  background: var(--green-50); padding: 3px 7px; border-radius: 999px;
}
.carousel-nav { display: flex; gap: 8px; }
.carousel-nav .icon-btn { width: 36px; height: 36px; border-radius: 999px; }

/* ----- Hero ----- */
.hero {
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 32px;
  align-items: center;
  padding: 24px 0 40px;
}
.hero-title { font-size: 64px; font-weight: 800; letter-spacing: -0.04em; line-height: 0.98; }
.hero-title em { font-style: normal; color: var(--green); }
.hero-title .blue { color: var(--blue); }
.hero-sub { font-size: 17px; color: var(--muted); margin-top: 18px; max-width: 460px; line-height: 1.5; }
.hero-stats {
  display: flex; gap: 28px; margin-top: 26px;
}
.hero-stat .n { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; }
.hero-stat .l { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.hero-cta { display: flex; gap: 10px; margin-top: 28px; flex-wrap: wrap; }
.hero-art {
  position: relative; height: 380px;
  background: var(--card); border: 1px solid var(--hair); border-radius: 22px;
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--hair) 1px, transparent 1px),
    linear-gradient(90deg, var(--hair) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: .6;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}
.hero-tub {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  height: 78%; filter: drop-shadow(0 24px 28px rgba(14,27,21,.18));
}
.hero-chip {
  position: absolute; background: var(--card); border: 1px solid var(--hair);
  border-radius: 999px; padding: 6px 12px; font-size: 12px; font-weight: 600;
  display: inline-flex; align-items: center; gap: 6px;
  box-shadow: 0 4px 14px rgba(14,27,21,.06);
}
.hero-chip .dot { width: 7px; height: 7px; border-radius: 999px; background: var(--green); }
.hero-chip.blue .dot { background: var(--blue); }

/* ----- Section ----- */
section + section { margin-top: 52px; }

/* ----- Top ranked list ----- */
.list-card {
  display: grid;
  grid-template-columns: 56px 88px 1.5fr 1fr 1fr 110px;
  gap: 16px; align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--hair);
}
.list-card:last-child { border-bottom: 0; }
.list-card:hover { background: #fafdfb; }
.list-rank { font-size: 22px; font-weight: 800; color: var(--green-deep); letter-spacing: -0.02em; }
.list-thumb {
  height: 64px; width: 64px; border-radius: 10px;
  background: linear-gradient(180deg, #f6faf7, #eef5f0);
  display: flex; align-items: center; justify-content: center;
}
.list-thumb img { max-height: 90%; max-width: 90%; object-fit: contain; }
.list-name { font-size: 15px; font-weight: 600; }
.list-brand { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 2px; }
.tag-chip {
  display: inline-flex; align-items: center;
  font-size: 11px; font-weight: 600; padding: 4px 9px; border-radius: 999px;
  background: var(--green-50); color: var(--green-deep);
  border: 1px solid var(--green-100);
}
.tag-chip.blue { background: var(--blue-50); color: var(--blue-deep); border-color: #cfdcff; }
.tag-chip.amber { background: #fdf3df; color: #8a5b15; border-color: #f5e2b5; }

/* ----- Product page ----- */
.crumbs { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); margin-bottom: 18px; }
.crumbs a:hover { color: var(--ink); }
.crumb-sep { opacity: .6; }

.product-top {
  display: grid; grid-template-columns: 1.35fr 1fr; gap: 28px;
  align-items: stretch;
}
.product-image {
  background: var(--card); border: 1px solid var(--hair); border-radius: 18px;
  padding: 32px; min-height: 460px;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.product-image::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--hair) 1px, transparent 1px),
    linear-gradient(90deg, var(--hair) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: .35;
  mask-image: radial-gradient(circle at center, black 20%, transparent 70%);
}
.product-image img { max-height: 400px; max-width: 80%; object-fit: contain; position: relative; z-index: 1; filter: drop-shadow(0 22px 28px rgba(14,27,21,.15)); }
.product-thumbs {
  position: absolute; bottom: 18px; left: 18px;
  display: flex; gap: 8px; z-index: 2;
}
.product-thumbs .pt {
  width: 56px; height: 56px; border-radius: 10px;
  background: white; border: 1px solid var(--hair);
  display: flex; align-items: center; justify-content: center;
  padding: 6px; cursor: pointer;
}
.product-thumbs .pt.active { border-color: var(--green); box-shadow: 0 0 0 3px var(--green-50); }
.product-thumbs .pt img { max-height: 100%; max-width: 100%; }

.ratings-card { padding: 24px; }
.rating-block { padding: 14px 0; border-bottom: 1px solid var(--hair); }
.rating-block:last-child { border-bottom: 0; }
.rating-block.overall { padding-top: 18px; margin-top: 4px; border-top: 1px solid var(--ink); }
.rating-label {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 14px; font-weight: 600;
}
.rating-label .num { color: var(--muted); font-weight: 500; }
.rating-stars { margin-top: 8px; display: flex; align-items: center; gap: 10px; }
.rating-count { font-size: 12px; color: var(--muted); }

.product-meta-row {
  margin-top: 22px;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
}
.brand-line {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px; border: 1px solid var(--hair);
  background: var(--card); border-radius: 14px;
  margin-top: 22px;
}
.brand-line .logo-box {
  width: 46px; height: 46px; border-radius: 10px;
  background: white; border: 1px solid var(--hair);
  display: flex; align-items: center; justify-content: center; padding: 6px;
}
.brand-line .logo-box img { max-width: 100%; max-height: 100%; object-fit: contain; }
.brand-line .bl-name { font-size: 14px; font-weight: 700; }
.brand-line .bl-desc { font-size: 13px; color: var(--muted); line-height: 1.4; }
.brand-line .bl-link { margin-left: auto; font-size: 13px; color: var(--blue); font-weight: 600; }

.facts-grid {
  margin-top: 16px;
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--hair); border-radius: 14px;
  background: var(--card); overflow: hidden;
}
.fact { padding: 16px 18px; border-right: 1px solid var(--hair); }
.fact:last-child { border-right: 0; }
.fact .l { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.fact .v { font-size: 20px; font-weight: 700; letter-spacing: -0.02em; margin-top: 4px; }
.fact .v small { font-size: 12px; color: var(--muted); font-weight: 500; }

/* ----- Reviews ----- */
.reviews-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px;
}
.reviews-head .left { display: flex; align-items: center; gap: 14px; }
.review-controls { display: flex; align-items: center; gap: 8px; }
.sort-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 12px; border-radius: 10px;
  border: 1px solid var(--hair); background: var(--card);
  font-size: 13px; font-weight: 500;
}

.review-featured {
  padding: 22px;
  background: linear-gradient(180deg, var(--green-50) 0%, #ffffff 100%);
  border: 1px solid var(--green-100);
  border-radius: 14px;
  margin-bottom: 14px;
}
.review-featured .rf-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--green-deep);
}
.review-featured .rf-title { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; margin: 8px 0 10px; }
.review-featured .rf-body { font-size: 14px; line-height: 1.6; color: #20302a; max-width: 720px; }

.review-row {
  padding: 18px 0; border-top: 1px solid var(--hair);
  display: grid; grid-template-columns: 56px 1fr auto; gap: 14px;
}
.avatar {
  width: 44px; height: 44px; border-radius: 999px;
  background: var(--green-100); color: var(--green-deep);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px;
}
.review-meta { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.review-author { font-weight: 600; }
.review-date { color: var(--muted); }
.review-mixed {
  font-size: 11px; padding: 3px 8px; border-radius: 999px;
  background: var(--blue-50); color: var(--blue-deep); font-weight: 600;
}
.review-title-s { font-size: 15px; font-weight: 600; margin: 6px 0 4px; }
.review-body-s { font-size: 14px; color: #2a3a34; line-height: 1.55; }
.helpful {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--muted); padding: 6px 10px;
  border-radius: 8px; border: 1px solid var(--hair); background: var(--card);
}
.helpful:hover { color: var(--ink); border-color: var(--hair-strong); }

/* ----- Rankings filter bar ----- */
.filter-bar { margin-bottom: 24px; display: flex; flex-direction: column; gap: 12px; }
.filter-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.filter-label { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; min-width: 64px; }
.filter-select { font-size: 13px !important; padding: 6px 28px 6px 10px !important; height: 32px; }

/* ----- Brands page ----- */
.brands-hero {
  display: grid; grid-template-columns: 1.4fr 1fr;
  align-items: end; gap: 32px; margin-bottom: 28px;
}
.brand-filters {
  display: flex; gap: 8px; flex-wrap: wrap; align-items: center;
  margin-bottom: 18px;
}
.filter-pill {
  padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--hair); background: var(--card);
  font-size: 13px; font-weight: 500;
}
.filter-pill.active { background: var(--green-deep); color: white; border-color: var(--green-deep); }
.az-letter {
  font-size: 13px; font-weight: 700; color: var(--muted);
  padding: 10px 0 6px; letter-spacing: 0.06em;
  border-bottom: 1px solid var(--hair); margin-bottom: 6px;
}
.brand-row {
  display: grid; grid-template-columns: 80px 1.4fr 2fr 130px 110px;
  align-items: center; gap: 20px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--hair);
  background: var(--card);
}
.brand-row:hover { background: #fafdfb; }
.brand-row:first-of-type { border-radius: 14px 14px 0 0; border-top: 1px solid var(--hair); }
.brand-row:last-of-type { border-radius: 0 0 14px 14px; }
.brand-logo {
  height: 56px; width: 64px;
  background: white; border: 1px solid var(--hair); border-radius: 10px;
  display: flex; align-items: center; justify-content: center; padding: 8px;
}
.brand-logo img { max-height: 100%; max-width: 100%; object-fit: contain; }
.brand-name { font-size: 16px; font-weight: 700; letter-spacing: -0.01em; }
.brand-meta-s { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; margin-top: 2px; }
.brand-desc { font-size: 13px; color: #2a3a34; line-height: 1.5; }
.brand-count {
  display: flex; align-items: baseline; gap: 6px;
}
.brand-count .n { font-weight: 700; font-size: 18px; }
.brand-count .l { font-size: 12px; color: var(--muted); }

/* ----- Footer note ----- */
.footnote {
  margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--hair);
  font-size: 12px; color: var(--muted); display: flex; justify-content: space-between;
}

/* Tabular numbers for stats */
.tnum { font-variant-numeric: tabular-nums; }

/* ----- Forms ----- */
.form-card { max-width: 680px; margin: 0 auto; }
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.form-input {
  width: 100%; padding: 10px 14px;
  border: 1px solid var(--hair); border-radius: 10px;
  font-family: inherit; font-size: 14px; color: var(--ink);
  background: var(--card); outline: none;
}
.form-input:focus { border-color: var(--green); box-shadow: 0 0 0 3px var(--green-50); }
.form-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235b6c66' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; background-size: 16px; padding-right: 36px; }
.star-select { display: flex; gap: 6px; }
.star-select label { cursor: pointer; font-size: 28px; color: var(--hair-strong); }
.star-select input { display: none; }
.star-select input:checked ~ label, .star-select label:hover, .star-select label:hover ~ label { color: var(--green); }
.errorlist { list-style: none; padding: 0; margin: 4px 0 0; }
.errorlist li { font-size: 13px; color: #c0392b; }

/* ----- Messages ----- */
.messages { list-style: none; padding: 0; margin: 16px 0; }
.messages li { padding: 12px 16px; border-radius: 10px; font-size: 14px; margin-bottom: 8px; }
.messages .success { background: var(--green-50); color: var(--green-deep); border: 1px solid var(--green-100); }
.messages .error { background: #fdecea; color: #c0392b; border: 1px solid #f5c6c2; }