/* style.css — Buff 163 | Skin Trading | Variant H: Monochrome Noir */

/* ─── VARIABLES ──────────────────────────────────────────────────────────── */
:root {
  --bg:        #0a0a0a;
  --bg2:       #111111;
  --surface:   rgba(255,255,255,0.04);
  --surface-h: rgba(255,255,255,0.07);
  --border:    rgba(255,255,255,0.08);
  --border-h:  rgba(255,255,255,0.18);
  --accent:    #e8c840;
  --accent2:   #f0d96a;
  --glow:      rgba(232,200,64,0.35);
  --txt:       #f0ede8;
  --txt-m:     rgba(240,237,232,0.55);
  --txt-d:     rgba(240,237,232,0.35);
  --radius:    6px;
  --radius-sm: 4px;
  --trans:     .18s ease;
}

/* ─── RESET ──────────────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--txt);
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
ul  { list-style: none; }
a   { color: var(--accent); text-decoration: none; transition: color var(--trans); }
a:hover { color: var(--accent2); }

/* ─── TYPOGRAPHY ─────────────────────────────────────────────────────────── */
h1 {
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: #fff;
}

h2 {
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #fff;
}

h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}

h4 {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--txt-m);
}

p {
  color: var(--txt-m);
  line-height: 1.75;
}

strong {
  color: var(--txt);
  font-weight: 600;
}

/* ─── UTILITY ────────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 2px;
  padding: 3px 10px;
  margin-bottom: 16px;
}

section {
  padding: 72px 0;
}

/* ─── BUTTONS ────────────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #0a0a0a;
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: background var(--trans), transform var(--trans), box-shadow var(--trans);
  box-shadow: 0 4px 20px rgba(232,200,64,0.3);
}

.btn-primary:hover {
  background: var(--accent2);
  color: #0a0a0a;
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(232,200,64,0.45);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--txt);
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-h);
  cursor: pointer;
  transition: border-color var(--trans), color var(--trans), background var(--trans);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(232,200,64,0.06);
}

/* ─── HEADER ─────────────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(10,10,10,0.85);
  border-bottom: 1px solid var(--border);
  transition: background var(--trans), box-shadow var(--trans);
}

.site-header.scrolled {
  background: rgba(10,10,10,0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.8);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 60px;
}

.nav-logo {
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
  letter-spacing: -0.02em;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--txt-m);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: color var(--trans);
}

.nav-links a:hover {
  color: #fff;
}

.nav-cta {
  margin-left: auto;
}

.nav-cta .btn-primary {
  padding: 9px 20px;
  font-size: 0.8rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  transition: transform var(--trans), opacity var(--trans);
}

.nav-open .hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-open .hamburger span:nth-child(2) { opacity: 0; }
.nav-open .hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── HERO ───────────────────────────────────────────────────────────────── */
#hero {
  padding: 64px 0 56px;
  background: #000;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(255,255,255,0.025) 40px),
    repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(255,255,255,0.025) 40px);
  pointer-events: none;
}

#hero::after {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 500px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(232,200,64,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 48px;
  align-items: start;
}

.hero-left {}

.hero-breadcrumb {
  font-size: 0.75rem;
  color: var(--txt-d);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.hero-breadcrumb span {
  color: var(--txt-m);
}

.hero-title {
  margin-bottom: 16px;
}

.hero-title em {
  font-style: normal;
  color: var(--accent);
}

.hero-sub {
  font-size: 1rem;
  color: var(--txt-m);
  max-width: 540px;
  margin-bottom: 28px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--txt-d);
}

.hero-meta-item svg,
.hero-meta-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* Score Widget */
.score-widget {
  background: #111;
  border: 1px solid #333;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.8);
}

.score-widget-head {
  background: #000;
  padding: 20px 24px;
  border-bottom: 1px solid #222;
  display: flex;
  align-items: center;
  gap: 16px;
}

.score-platform-logo {
  width: 44px;
  height: 44px;
  background: #1a1a1a;
  border: 1px solid #333;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--accent);
}

.score-platform-info h3 {
  font-size: 1rem;
  color: #fff;
  margin-bottom: 2px;
}

.score-platform-info span {
  font-size: 0.75rem;
  color: var(--txt-d);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.score-body {
  padding: 24px;
}

.score-number-wrap {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  margin-bottom: 12px;
}

.score-number {
  font-size: 4rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

.score-denom {
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--txt-d);
  margin-bottom: 6px;
}

.score-bar-wrap {
  background: #1a1a1a;
  border-radius: 2px;
  height: 6px;
  margin-bottom: 20px;
  overflow: hidden;
}

.score-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  width: 82%;
  animation: bar-grow 1s ease forwards;
}

@keyframes bar-grow {
  from { width: 0; }
}

.score-cats {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.score-cat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.score-cat-label {
  font-size: 0.78rem;
  color: var(--txt-m);
  min-width: 80px;
}

.score-cat-bar {
  flex: 1;
  background: #1a1a1a;
  border-radius: 2px;
  height: 4px;
  overflow: hidden;
}

.score-cat-fill {
  height: 100%;
  background: #fff;
  border-radius: 2px;
  transition: width 0.6s ease;
}

.score-cat-fill.high { background: #fff; }
.score-cat-fill.mid  { background: #888; }

.score-cat-val {
  font-size: 0.78rem;
  font-weight: 700;
  color: #fff;
  min-width: 28px;
  text-align: right;
}

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

.score-disclaimer {
  font-size: 0.7rem;
  color: var(--txt-d);
  text-align: center;
  margin-top: 10px;
}

/* DeFi panel strip */
.defi-panel {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-top: 40px;
}

.dp-item {
  background: #0d0d0d;
  padding: 18px 20px;
  text-align: center;
}

.dp-item .dp-value {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  display: block;
}

.dp-item .dp-label {
  font-size: 0.72rem;
  color: var(--txt-d);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
  display: block;
}

/* ─── TICKER ─────────────────────────────────────────────────────────────── */
.ticker-wrap {
  overflow: hidden;
  background: #050505;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
  position: relative;
}

.ticker-wrap::before,
.ticker-wrap::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  z-index: 2;
}

.ticker-wrap::before {
  left: 0;
  background: linear-gradient(to right, #050505, transparent);
}

.ticker-wrap::after {
  right: 0;
  background: linear-gradient(to left, #050505, transparent);
}

.ticker {
  display: flex;
  gap: 0;
  width: max-content;
  animation: ticker-scroll 32s linear infinite;
}

.ticker-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 32px;
  font-size: 0.78rem;
  color: var(--txt-d);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-right: 1px solid var(--border);
  white-space: nowrap;
}

.ticker-item strong {
  color: var(--accent);
  font-weight: 700;
}

.ticker-dot {
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
}

@keyframes ticker-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ─── KEY STATS GRID (intro / bento) ────────────────────────────────────── */
#intro {
  padding: 64px 0;
}

.ig-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: auto;
  gap: 1px;
  background: #1a1a1a;
  border: 1px solid #1a1a1a;
  border-radius: var(--radius);
  overflow: hidden;
}

.ig {
  background: #111;
  border: none;
  padding: 28px 24px;
  transition: background var(--trans);
  position: relative;
}

.ig:hover {
  background: #161616;
}

.ig.w2 {
  grid-column: span 2;
}

.ig.h2 {
  grid-row: span 2;
}

.ig-icon {
  font-size: 1.4rem;
  margin-bottom: 12px;
  filter: grayscale(1) brightness(1.2);
}

.ig h4 {
  margin-bottom: 6px;
}

.ig .ig-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  display: block;
  margin-bottom: 4px;
}

.ig .ig-sub {
  font-size: 0.78rem;
  color: var(--txt-d);
}

.ig p {
  font-size: 0.88rem;
  line-height: 1.6;
}

.ig-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 9px;
  border-radius: 2px;
  margin-bottom: 12px;
}

.ig-badge.positive { background: rgba(255,255,255,0.1); color: #fff; }
.ig-badge.accent   { background: var(--accent); color: #000; }

/* ─── FEATURES ───────────────────────────────────────────────────────────── */
#features {
  padding: 72px 0;
  background: #080808;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

#features .section-head {
  margin-bottom: 40px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: #1a1a1a;
  border: 1px solid #1a1a1a;
  border-radius: var(--radius);
  overflow: hidden;
}

.feature-card {
  background: #0f0f0f;
  padding: 32px 28px;
  transition: background var(--trans);
  position: relative;
}

.feature-card:hover {
  background: #141414;
}

.feature-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: transparent;
  transition: background var(--trans);
}

.feature-card:hover::after {
  background: var(--accent);
}

.feature-icon {
  font-size: 1.6rem;
  margin-bottom: 16px;
  display: block;
  filter: grayscale(1) brightness(1.5);
}

.feature-card h3 {
  margin-bottom: 10px;
  font-size: 1rem;
}

.feature-card p {
  font-size: 0.85rem;
  line-height: 1.65;
}

/* ─── PROS / CONS ────────────────────────────────────────────────────────── */
#pros-cons {
  padding: 72px 0;
}

.pros-cons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.pros-box,
.cons-box {
  background: #111;
  border: 1px solid #333;
  border-radius: var(--radius);
  overflow: hidden;
}

.pros-box-head,
.cons-box-head {
  padding: 16px 24px;
  border-bottom: 1px solid #222;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.pros-box-head {
  background: #0d0d0d;
  color: #fff;
}

.cons-box-head {
  background: #0d0d0d;
  color: var(--txt-m);
}

.pros-list,
.cons-list {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pros-list li,
.cons-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--txt-m);
  line-height: 1.55;
}

.pros-list li::before {
  content: '+';
  font-weight: 800;
  font-size: 1rem;
  color: #fff;
  flex-shrink: 0;
  margin-top: 1px;
}

.cons-list li::before {
  content: '−';
  font-weight: 800;
  font-size: 1rem;
  color: #555;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ─── VERDICT BOX ────────────────────────────────────────────────────────── */
#verdict-box {
  padding: 0 0 72px;
}

.verdict-inner {
  background: #000;
  border: 1px solid #333;
  border-radius: var(--radius);
  padding: 40px 48px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 48px;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.verdict-inner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  background: var(--accent);
}

.verdict-score-block {
  text-align: center;
}

.verdict-score-num {
  font-size: 3.5rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  display: block;
}

.verdict-score-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--txt-d);
  display: block;
  margin-top: 6px;
}

.verdict-divider {
  width: 1px;
  background: #222;
  align-self: stretch;
}

.verdict-text h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.verdict-text p {
  font-size: 0.9rem;
  line-height: 1.7;
}

.verdict-cta-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.verdict-cta-col .btn-primary {
  white-space: nowrap;
}

.verdict-trust {
  font-size: 0.7rem;
  color: var(--txt-d);
  text-align: center;
}

/* ─── BODY TEXT / REVIEW CONTENT ─────────────────────────────────────────── */
#body-text {
  padding: 72px 0;
  background: #080808;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.body-text-inner {
  max-width: 780px;
  margin: 0 auto;
}

.body-text-inner h2 {
  margin-bottom: 16px;
  margin-top: 40px;
}

.body-text-inner h2:first-child {
  margin-top: 0;
}

.body-text-inner p {
  font-size: 0.95rem;
  margin-bottom: 18px;
}

.body-text-inner ul {
  margin: 0 0 18px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.body-text-inner ul li {
  font-size: 0.9rem;
  color: var(--txt-m);
  padding-left: 20px;
  position: relative;
}

.body-text-inner ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.inline-stat {
  display: inline-block;
  font-weight: 700;
  color: #fff;
}

/* ─── HOW IT WORKS ───────────────────────────────────────────────────────── */
#how {
  padding: 72px 0;
}

.steps-row {
  display: flex;
  align-items: flex-start;
  gap: 0;
  position: relative;
}

.step-item {
  flex: 1;
  padding: 32px 24px;
  background: #111;
  border: 1px solid #1a1a1a;
  position: relative;
  transition: background var(--trans);
}

.step-item:hover {
  background: #161616;
}

.step-item:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.step-item:last-child  { border-radius: 0 var(--radius) var(--radius) 0; }

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: #000;
  border: 1px solid #333;
  border-radius: 2px;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 16px;
}

.step-item h3 {
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.step-item p {
  font-size: 0.82rem;
  line-height: 1.6;
}

.step-connector {
  display: flex;
  align-items: center;
  padding: 0 8px;
  color: var(--txt-d);
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 44px;
}

/* ─── FAQ ────────────────────────────────────────────────────────────────── */
#faq {
  padding: 72px 0;
  background: #080808;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid #222;
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 820px;
  margin: 0 auto;
}

details.faq-item {
  border-bottom: 1px solid #1a1a1a;
  background: #0d0d0d;
  transition: background var(--trans);
}

details.faq-item:last-child {
  border-bottom: none;
}

details.faq-item[open] {
  background: #111;
}

summary.faq-question {
  display: flex;
  align-items: center;
  justify