/* ================================================================
   RSTRI × BIKE & BUTTER — Partner Page
   Black product · Yellow accent pulled from product photography
   Precision engineering aesthetic
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=DM+Mono:wght@400;500&display=swap');

/* ── CSS Variables ─────────────────────────────────────────────── */
:root {
  --bg:           #0a0a0a;
  --bg-2:         #111111;
  --bg-3:         #181818;
  --bg-4:         #222222;
  --border:       rgba(255,255,255,0.08);
  --border-mid:   rgba(255,255,255,0.14);
  --white:        #ffffff;
  --white-dim:    rgba(255,255,255,0.52);
  --white-faint:  rgba(255,255,255,0.07);
  --yellow:       #f5c518;
  --yellow-soft:  #f0b429;
  --yellow-dim:   rgba(245,197,24,0.15);
  --yellow-glow:  rgba(245,197,24,0.3);
  --font-head:    'Inter', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'DM Mono', monospace;
}

/* ── Reset ─────────────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--white);
  font-size: 15px;
  line-height: 1.6;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { display: block; width: 100%; }

/* ── Nav ───────────────────────────────────────────────────────── */
.rs-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(10,10,10,0.96);
  backdrop-filter: blur(14px);
  z-index: 100;
  height: 57px;
}
.rs-nav .logo-link {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 700;
  letter-spacing: -0.2px; color: var(--white);
}
.rs-nav .logo-icon {
  width: 28px; height: 28px;
  background: var(--white); color: var(--bg);
  font-size: 13px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  border-radius: 6px; flex-shrink: 0;
}
.rs-nav .nav-right { display: flex; align-items: center; gap: 28px; }
.rs-nav .nav-links { display: flex; gap: 24px; }
.rs-nav .nav-links a { font-size: 13px; color: var(--white-dim); transition: color 0.15s; }
.rs-nav .nav-links a:hover { color: var(--white); }
.rs-nav .nav-signin { font-size: 13px; color: var(--white-dim); transition: color 0.15s; }
.rs-nav .nav-signin:hover { color: var(--white); }

/* Partners dropdown — with bridge fix */
.nav-partners-wrap { position: relative; }
.nav-partners-wrap > a {
  display: flex; align-items: center; gap: 4px;
  font-size: 13px; color: var(--yellow); font-weight: 600;
  cursor: pointer; padding-bottom: 4px;
}
.nav-partners-wrap > a svg { width: 10px; height: 10px; transition: transform 0.2s; }
.nav-partners-wrap:hover > a svg { transform: rotate(180deg); }

/* Invisible bridge over the gap */
.nav-partners-wrap::before {
  content: '';
  position: absolute;
  top: 100%; left: -20px; right: -20px;
  height: 18px;
  display: none;
}
.nav-partners-wrap:hover::before { display: block; }

.nav-partners-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 14px); left: 50%;
  transform: translateX(-50%);
  background: var(--bg-2);
  border: 1px solid var(--border-mid);
  border-radius: 10px; padding: 6px; min-width: 170px;
  box-shadow: 0 20px 48px rgba(0,0,0,0.7); z-index: 200;
}
.nav-partners-wrap:hover .nav-partners-dropdown { display: block; }
.nav-partners-dropdown a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: 7px;
  font-size: 13px; color: var(--white-dim); transition: all 0.15s;
}
.nav-partners-dropdown a:hover { background: var(--white-faint); color: var(--white); }
.partner-dot-pink   { width:6px; height:6px; border-radius:50%; background:#ff677e; flex-shrink:0; }
.partner-dot-yellow { width:6px; height:6px; border-radius:50%; background:var(--yellow); flex-shrink:0; }

/* Hamburger */
.nav-hamburger {
  display: none; flex-direction: column; justify-content: center;
  gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; margin-left: 12px;
}
.nav-hamburger span { display:block; width:22px; height:2px; background:var(--white); border-radius:2px; }
.mobile-menu {
  display: none; position: fixed; top: 57px; left:0; right:0;
  background: var(--bg-2); border-bottom: 1px solid var(--border);
  z-index: 99; padding: 12px 0 16px;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block; padding: 12px 24px; font-size: 14px;
  color: var(--white-dim); border-bottom: 1px solid var(--border);
}
.mobile-menu a:hover { color: var(--white); background: var(--white-faint); }

/* ── Buttons ───────────────────────────────────────────────────── */
.btn-yellow {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--yellow); color: var(--bg);
  font-family: var(--font-head); font-size: 13px; font-weight: 700;
  letter-spacing: 0.3px; text-transform: uppercase;
  padding: 14px 28px; border-radius: 4px; border: none;
  cursor: pointer; transition: all 0.2s;
}
.btn-yellow:hover {
  background: var(--yellow-soft);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px var(--yellow-glow);
}
.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--white-dim);
  font-family: var(--font-head); font-size: 13px; font-weight: 600;
  letter-spacing: 0.3px; text-transform: uppercase;
  padding: 14px 28px; border-radius: 4px;
  border: 1px solid var(--border-mid); cursor: pointer; transition: all 0.2s;
}
.btn-ghost:hover { color: var(--white); border-color: rgba(255,255,255,0.3); }

/* ── Hero ──────────────────────────────────────────────────────── */
.rs-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 88vh;
}
.rs-hero-visual {
  position: relative; overflow: hidden; background: var(--bg-3);
}
.rs-hero-visual img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.04); transition: transform 7s ease-out;
}
.rs-hero-visual img.loaded { transform: scale(1); }
.rs-hero-visual-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to right, transparent 60%, rgba(10,10,10,0.92) 100%);
  pointer-events: none;
}
.rs-hero-content {
  display: flex; flex-direction: column; justify-content: center;
  padding: 80px 64px 100px 48px; position: relative;
}
/* Yellow left rule */
.rs-hero-content::before {
  content: '';
  position: absolute; top: 15%; left: 0; bottom: 15%;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--yellow), transparent);
}
.rs-hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 10px; font-weight: 600; letter-spacing: 3px;
  text-transform: uppercase; color: var(--yellow); margin-bottom: 28px;
}
.rs-hero-eyebrow::before {
  content: ''; display: block; width: 20px; height: 1px; background: var(--yellow-glow);
}
.rs-hero-title {
  font-size: clamp(42px, 4vw, 64px); font-weight: 800;
  line-height: 1.02; letter-spacing: -2px; margin-bottom: 8px;
}
.rs-hero-title .yellow { color: var(--yellow); }
.rs-hero-subtitle {
  font-size: clamp(15px, 1.5vw, 20px); font-weight: 300;
  color: var(--white-dim); letter-spacing: -0.3px;
  margin-bottom: 24px; line-height: 1.5;
}
.rs-hero-desc {
  font-size: 14px; font-weight: 300; color: var(--white-dim);
  max-width: 400px; line-height: 1.85; margin-bottom: 36px;
}
.rs-hero-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 36px; }
.rs-tag {
  display: inline-flex; align-items: center; gap: 5px;
  background: var(--bg-3); border: 1px solid var(--border-mid);
  color: var(--white-dim); font-family: var(--font-mono);
  font-size: 10px; padding: 5px 10px; border-radius: 3px; letter-spacing: 0.5px;
}
.rs-hero-cta { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }

/* Spec bar bottom of hero content */
.rs-hero-specbar {
  position: absolute; bottom: 0; right: 0; left: 48px;
  display: flex; gap: 2px; border-top: 1px solid var(--border);
}
.rs-spec-cell {
  flex: 1; background: rgba(10,10,10,0.9);
  padding: 14px 18px; border-right: 1px solid var(--border);
}
.rs-spec-cell:last-child { border-right: none; }
.rs-spec-val {
  font-family: var(--font-mono); font-size: 15px; font-weight: 500;
  color: var(--yellow); line-height: 1;
}
.rs-spec-label {
  font-size: 9px; font-weight: 500; letter-spacing: 1.5px;
  text-transform: uppercase; color: rgba(255,255,255,0.28); margin-top: 3px;
}

/* ── Ticker ────────────────────────────────────────────────────── */
.ticker-wrap {
  overflow: hidden; background: var(--bg-2);
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 10px 0; white-space: nowrap;
}
.ticker-track { display: inline-flex; animation: ticker 30s linear infinite; }
.ticker-wrap:hover .ticker-track { animation-play-state: paused; }
@keyframes ticker {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.ticker-item {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 10px; font-weight: 400;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: rgba(255,255,255,0.3); padding: 0 24px;
}
.ticker-sep { color: var(--yellow); opacity: 0.5; }
.ticker-item .hi { color: var(--yellow); }

/* ── Section base ──────────────────────────────────────────────── */
.section { padding: 88px 64px; }
.section-label {
  font-family: var(--font-mono); font-size: 10px; font-weight: 400;
  letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--yellow); opacity: 0.8; margin-bottom: 14px;
}
.section-title {
  font-size: clamp(30px, 3.2vw, 48px); font-weight: 800;
  letter-spacing: -1.2px; line-height: 1.06; margin-bottom: 20px;
}
.section-body {
  font-size: 14px; font-weight: 300; color: var(--white-dim);
  max-width: 520px; line-height: 1.85;
}

/* ── Product image — yellow bg preserved ──────────────────────── */
.rs-product-img-wrap {
  position: relative; overflow: hidden;
  background: #f5c518; /* matches the product photography background */
}
.rs-product-img-wrap img {
  width: 100%; aspect-ratio: 4/3; object-fit: cover; object-position: center;
  transition: transform 0.5s ease;
}
.rs-product-card:hover .rs-product-img-wrap img { transform: scale(1.04); }

/* ── Products grid ─────────────────────────────────────────────── */
.products-section {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.products-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-bottom: 48px;
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.rs-product-card {
  background: var(--bg-3); overflow: hidden;
  cursor: pointer; position: relative; transition: background 0.2s;
}
.rs-product-card:hover { background: var(--bg-4); }
.rs-product-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--yellow), transparent);
  opacity: 0; transition: opacity 0.3s;
}
.rs-product-card:hover::before { opacity: 1; }

/* Placeholder for cards without images */
.rs-img-ph {
  aspect-ratio: 4/3; width: 100%; background: var(--bg-4);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 10px;
  padding: 24px; text-align: center;
  border-bottom: 1px solid var(--border);
}
.rs-img-ph-icon { font-size: 28px; opacity: 0.18; }
.rs-img-ph-txt {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: rgba(255,255,255,0.18);
}
.rs-img-ph-sub { font-size: 10px; color: rgba(255,255,255,0.1); }

.rs-card-body { padding: 22px; }
.rs-card-compat {
  font-family: var(--font-mono); font-size: 9px;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--yellow); opacity: 0.7; margin-bottom: 8px;
}
.rs-card-name {
  font-size: 17px; font-weight: 700; letter-spacing: -0.4px;
  margin-bottom: 8px; line-height: 1.2;
}
.rs-card-desc {
  font-size: 12px; font-weight: 300; color: var(--white-dim);
  line-height: 1.65; margin-bottom: 18px;
}
.rs-card-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 14px; border-top: 1px solid var(--border);
}
.rs-card-price {
  font-family: var(--font-mono); font-size: 16px; font-weight: 500; color: var(--white);
}
.rs-card-price span { font-size: 11px; color: var(--white-dim); }
.rs-card-enquire {
  display: flex; align-items: center; gap: 5px;
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--yellow); background: none; border: none;
  cursor: pointer; transition: gap 0.2s; padding: 0;
}
.rs-product-card:hover .rs-card-enquire { gap: 9px; }

/* ── Compatibility matrix ──────────────────────────────────────── */
.compat-section { border-top: 1px solid var(--border); }
.compat-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 2px; margin-top: 48px;
}
.compat-row {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 2px; grid-column: 1 / -1;
}
.compat-card {
  background: var(--bg-2); padding: 28px;
  display: flex; gap: 20px; align-items: flex-start;
  border-top: 2px solid transparent; transition: border-color 0.2s, background 0.2s;
}
.compat-card:hover { border-top-color: var(--yellow-glow); background: var(--bg-3); }
.compat-brand-icon {
  width: 40px; height: 40px; flex-shrink: 0;
  background: var(--bg-4); border: 1px solid var(--border); border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 10px; font-weight: 500;
  letter-spacing: 1px; color: var(--yellow); text-transform: uppercase;
}
.compat-brand-name { font-size: 15px; font-weight: 700; letter-spacing: -0.3px; margin-bottom: 4px; }
.compat-model {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 1px;
  color: var(--yellow); margin-bottom: 8px; opacity: 0.65;
}
.compat-desc { font-size: 12px; color: var(--white-dim); line-height: 1.65; font-weight: 300; }
.compat-status {
  display: inline-flex; align-items: center; gap: 5px;
  margin-top: 10px; font-family: var(--font-mono); font-size: 9px;
  letter-spacing: 1.5px; text-transform: uppercase;
}
.compat-status.avail { color: #5dba6e; }
.compat-status.avail::before { content: ''; display:block; width:5px; height:5px; border-radius:50%; background:#5dba6e; }
.compat-status.soon { color: rgba(255,255,255,0.3); }
.compat-status.soon::before { content: ''; display:block; width:5px; height:5px; border-radius:50%; background:rgba(255,255,255,0.25); }

/* ── Tech section ──────────────────────────────────────────────── */
.tech-section { border-top: 1px solid var(--border); background: var(--bg-2); }
.tech-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px; margin-top: 48px; }
.tech-row { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 2px; }
.tech-item {
  background: var(--bg-3); padding: 36px 32px;
  display: flex; gap: 20px; align-items: flex-start;
}
.tech-item.wide { grid-column: 1 / -1; flex-direction: row; gap: 48px; align-items: center; }
.tech-icon {
  width: 42px; height: 42px; flex-shrink: 0; border-radius: 8px;
  background: var(--yellow-dim); border: 1px solid var(--yellow-glow);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 16px; font-weight: 500; color: var(--yellow);
}
.tech-title { font-size: 16px; font-weight: 700; letter-spacing: -0.3px; margin-bottom: 8px; }
.tech-body { font-size: 13px; font-weight: 300; color: var(--white-dim); line-height: 1.75; }

/* ── Gallery ───────────────────────────────────────────────────── */
.gallery-section { border-top: 1px solid var(--border); }
.gallery-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: 320px 320px;
  gap: 2px;
}
.gallery-item { overflow: hidden; position: relative; background: #f5c518; }
.gallery-item.tall { grid-row: 1 / 3; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.gallery-item:hover img { transform: scale(1.04); }

/* ── How to order ──────────────────────────────────────────────── */
.order-section { border-top: 1px solid var(--border); }
.order-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; margin-top: 48px; }
.order-step {
  background: var(--bg-2); padding: 40px 32px;
  position: relative; overflow: hidden;
}
.order-step::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--yellow); transform: scaleX(0);
  transform-origin: left; transition: transform 0.4s ease;
}
.order-step:hover::before { transform: scaleX(1); }
.order-step-num {
  display: block; font-family: var(--font-mono); font-size: 64px;
  font-weight: 400; color: rgba(245,197,24,0.07); line-height: 1;
  margin-bottom: 14px; transition: color 0.3s;
}
.order-step:hover .order-step-num { color: rgba(245,197,24,0.13); }
.order-step-title { font-size: 18px; font-weight: 700; letter-spacing: -0.3px; margin-bottom: 10px; }
.order-step-body { font-size: 13px; font-weight: 300; color: var(--white-dim); line-height: 1.75; }
.order-step-action {
  display: inline-flex; align-items: center; gap: 5px;
  margin-top: 16px; font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--yellow); cursor: pointer; transition: gap 0.2s;
  background: none; border: none; padding: 0;
}
.order-step:hover .order-step-action { gap: 9px; }

/* ── CTA ───────────────────────────────────────────────────────── */
.rs-cta {
  padding: 120px 64px; text-align: center;
  position: relative; overflow: hidden;
  border-top: 1px solid var(--border);
}
.rs-cta .grid-bg {
  position: absolute; inset: 0; opacity: 0.02;
  background-image:
    linear-gradient(to right, white 1px, transparent 1px),
    linear-gradient(to bottom, white 1px, transparent 1px);
  background-size: 56px 56px;
}
.rs-cta-glow {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(245,197,24,0.06) 0%, transparent 65%);
  pointer-events: none;
}
.rs-cta .section-title { font-size: clamp(44px, 6vw, 84px); position: relative; margin-bottom: 16px; }
.rs-cta .section-body { margin: 0 auto 36px; text-align: center; max-width: 440px; position: relative; }
.rs-cta-row { display: flex; align-items: center; justify-content: center; gap: 12px; position: relative; }

/* ── Footer ────────────────────────────────────────────────────── */
.rs-footer {
  padding: 36px 64px; border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.rs-footer-brand {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 1px; color: var(--white-dim);
}
.rs-footer-brand a { color: var(--yellow); }
.rs-footer-links { display: flex; gap: 24px; }
.rs-footer-links a { font-size: 12px; color: var(--white-dim); transition: color 0.15s; }
.rs-footer-links a:hover { color: var(--white); }

/* ── Modal ─────────────────────────────────────────────────────── */
.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.82); backdrop-filter: blur(5px);
  z-index: 1000; align-items: center; justify-content: center; padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal-box {
  background: var(--bg-2); border: 1px solid var(--border-mid);
  border-radius: 12px; width: 100%; max-width: 540px;
  max-height: 90vh; overflow-y: auto; padding: 40px; position: relative;
}
.modal-close {
  position: absolute; top: 16px; right: 20px;
  background: none; border: none; cursor: pointer;
  color: var(--white-dim); font-size: 22px; line-height: 1; transition: color 0.15s;
}
.modal-close:hover { color: var(--white); }
.modal-eyebrow {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--yellow); opacity: 0.8; margin-bottom: 6px;
}
.modal-title { font-size: 24px; font-weight: 800; letter-spacing: -0.6px; margin-bottom: 6px; }
.modal-desc { font-size: 13px; color: var(--white-dim); line-height: 1.6; margin-bottom: 24px; }
.modal-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 22px; }
.modal-tab {
  background: none; border: 1px solid var(--border-mid); border-radius: 4px;
  padding: 5px 14px; font-size: 11px; cursor: pointer;
  color: var(--white-dim); font-family: var(--font-mono);
  letter-spacing: 0.5px; transition: all 0.15s;
}
.modal-tab:hover { border-color: var(--yellow-glow); color: var(--white); }
.modal-tab.active { background: var(--yellow); color: var(--bg); border-color: var(--yellow); font-weight: 700; }
.modal-form { display: flex; flex-direction: column; gap: 14px; }
.modal-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.modal-field { display: flex; flex-direction: column; gap: 5px; }
.modal-field label {
  font-family: var(--font-mono); font-size: 9px;
  letter-spacing: 2px; text-transform: uppercase; color: rgba(255,255,255,0.3);
}
.modal-field input, .modal-field select, .modal-field textarea {
  background: var(--bg-3); border: 1px solid var(--border); border-radius: 4px;
  color: var(--white); font-family: var(--font-body); font-size: 13px;
  padding: 10px 14px; outline: none; transition: border-color 0.15s; width: 100%;
}
.modal-field select { appearance: none; cursor: pointer; }
.modal-field input:focus, .modal-field select:focus, .modal-field textarea:focus { border-color: var(--yellow); }
.modal-field input::placeholder, .modal-field textarea::placeholder { color: rgba(255,255,255,0.16); }
.modal-field textarea { resize: vertical; min-height: 100px; }
.modal-submit {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--yellow); color: var(--bg);
  font-family: var(--font-head); font-size: 13px; font-weight: 700;
  letter-spacing: 0.3px; text-transform: uppercase;
  padding: 14px; border-radius: 4px; border: none; cursor: pointer;
  transition: all 0.2s; margin-top: 4px; width: 100%;
}
.modal-submit:hover { background: var(--yellow-soft); transform: translateY(-1px); box-shadow: 0 8px 24px var(--yellow-glow); }
.modal-submit:disabled { opacity: 0.4; cursor: not-allowed; transform: none; box-shadow: none; }
.modal-error { font-size: 11px; color: #ff7070; display: none; }
.modal-error.visible { display: block; }
.modal-success { display: none; text-align: center; padding: 32px 16px; }
.modal-success.visible { display: block; }
.modal-success-icon { font-size: 36px; margin-bottom: 12px; }
.modal-success-title { font-size: 22px; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 8px; }
.modal-success-desc { font-size: 13px; color: var(--white-dim); line-height: 1.6; }
.modal-success-back {
  display: inline-block; margin-top: 20px; font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 1px; color: var(--white-dim);
  text-decoration: underline; cursor: pointer;
}
.modal-note {
  font-family: var(--font-mono); font-size: 10px;
  color: rgba(255,255,255,0.16); text-align: center; margin-top: 6px;
}

/* ── Mobile sticky CTA ─────────────────────────────────────────── */
.mobile-sticky-cta {
  display: none; position: fixed; bottom: 0; left: 0; right: 0;
  padding: 12px 16px; background: rgba(10,10,10,0.97);
  border-top: 1px solid var(--border); backdrop-filter: blur(12px); z-index: 998;
}
.mobile-sticky-cta button {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--yellow); color: var(--bg);
  font-family: var(--font-head); font-size: 13px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.3px;
  padding: 14px; border-radius: 4px; width: 100%; border: none; cursor: pointer;
}

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .rs-nav .nav-links, .rs-nav #auth-area { display: none; }
  .nav-hamburger { display: flex; }
  .rs-hero { grid-template-columns: 1fr; }
  .rs-hero-visual { height: 55vw; min-height: 260px; }
  .rs-hero-visual-overlay {
    background: linear-gradient(to bottom, transparent 40%, rgba(10,10,10,0.95) 100%);
  }
  .rs-hero-content { padding: 28px 24px 80px; }
  .rs-hero-content::before { display: none; }
  .rs-hero-specbar { left: 24px; }
  .rs-spec-cell { padding: 10px 12px; }
  .section { padding: 56px 24px; }
  .products-grid { grid-template-columns: 1fr; }
  .products-header { flex-direction: column; align-items: flex-start; gap: 16px; }
  .compat-grid { grid-template-columns: 1fr; }
  .compat-row { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: 1fr; }
  .tech-row { grid-template-columns: 1fr; }
  .tech-item.wide { flex-direction: column; gap: 20px; }
  .order-steps { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; grid-template-rows: 200px 200px 200px; }
  .gallery-item.tall { grid-row: auto; }
  .rs-cta { padding: 80px 24px; }
  .rs-footer { flex-direction: column; gap: 20px; text-align: center; padding: 32px 24px; }
  .modal-form-row { grid-template-columns: 1fr; }
  .modal-box { padding: 28px 20px; }
  .mobile-sticky-cta { display: block; }
  body { padding-bottom: 72px; }
}
@media (min-width: 769px) {
  .nav-hamburger { display: none; }
  .mobile-menu { display: none !important; }
  .mobile-sticky-cta { display: none !important; }
}