/* =============================================================
   sinfilth.css — Sinfilth Apparel standalone brand styles.
   "Prada meets skulls" — moody editorial, metallic/holographic,
   rhinestones, skulls. Dark luxury female empowerment.
   Fonts: Cormorant Garamond (editorial) + Bebas Neue (bold marks)
   ============================================================= */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400;1,600&family=Bebas+Neue&family=Inter:wght@300;400;500;700&display=swap');

:root {
  --sf-bg:         #060606;
  --sf-bg-card:    #0c0c0c;
  --sf-bg-lift:    #141414;
  --sf-fg:         #f0ece6;
  --sf-fg-muted:   #7a7470;
  --sf-fg-dim:     #504c48;
  --sf-pink:       #ff1493;
  --sf-pink-dim:   rgba(255,20,147,0.15);
  --sf-pink-glow:  rgba(255,20,147,0.40);
  --sf-skull:      #c0a080;          /* muted bone/gold for skull motif */
  --sf-silver:     #b8b4b0;
  --sf-chrome:     #e8e4e0;
  --sf-radius:     12px;
  --sf-radius-sm:  6px;
  --sf-font-serif: 'Cormorant Garamond', serif;
  --sf-font-bold:  'Bebas Neue', sans-serif;
  --sf-font-body:  'Inter', 'Helvetica Neue', sans-serif;
}

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

.sf-body {
  background: var(--sf-bg);
  color: var(--sf-fg);
  font-family: var(--sf-font-body);
  font-size: 15px;
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Subtle holographic overlay — pink + purple gradient halos */
.sf-body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(ellipse at 15% 25%, rgba(255,20,147,0.05) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 75%, rgba(160,80,220,0.04) 0%, transparent 55%);
  pointer-events: none;
  z-index: 0;
}

/* ─── NAV ─── */
.sf-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 40px;
  background: rgba(6,6,6,0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.sf-nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.sf-brand-logo-img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 12px var(--sf-pink-glow);
}

.sf-brand-wordmark {
  font-family: var(--sf-font-bold);
  font-size: 22px;
  letter-spacing: 0.12em;
  color: var(--sf-chrome);
  text-transform: uppercase;
}

.sf-brand-wordmark span {
  color: var(--sf-pink);
}

.sf-nav-links {
  display: flex;
  gap: 36px;
}

.sf-nav-link {
  font-family: var(--sf-font-bold);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--sf-silver);
  transition: color 0.2s;
}

.sf-nav-link:hover,
.sf-nav-link.sf-active {
  color: var(--sf-pink);
}

.sf-nav-cta {
  font-family: var(--sf-font-bold);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--sf-bg);
  background: var(--sf-pink);
  padding: 10px 24px;
  border-radius: 2px;
  transition: opacity 0.2s, box-shadow 0.2s;
}

.sf-nav-cta:hover {
  opacity: 0.9;
  box-shadow: 0 0 20px var(--sf-pink-glow);
}

/* ─── HERO ─── */
.sf-hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  overflow: hidden;
}

.sf-hero-text-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 60px 80px 80px;
  position: relative;
  z-index: 2;
}

.sf-hero-eyebrow {
  font-family: var(--sf-font-bold);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--sf-pink);
  margin-bottom: 20px;
}

.sf-hero-headline {
  font-family: var(--sf-font-serif);
  font-size: clamp(56px, 7vw, 90px);
  font-weight: 300;
  line-height: 1.0;
  color: var(--sf-chrome);
  margin-bottom: 10px;
}

.sf-hero-headline em {
  font-style: italic;
  color: var(--sf-pink);
}

.sf-hero-skull-mark {
  font-size: 32px;
  margin: 12px 0;
  opacity: 0.7;
}

.sf-hero-tagline {
  font-family: var(--sf-font-bold);
  font-size: 14px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--sf-skull);
  margin-bottom: 24px;
}

.sf-hero-sub {
  font-size: 16px;
  color: var(--sf-fg-muted);
  line-height: 1.7;
  max-width: 420px;
  margin-bottom: 48px;
}

.sf-hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.sf-hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sf-font-bold);
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 16px 32px;
  border-radius: 2px;
  transition: all 0.2s;
}

.sf-hero-cta--primary {
  background: var(--sf-pink);
  color: var(--sf-bg);
}

.sf-hero-cta--primary:hover {
  box-shadow: 0 0 30px var(--sf-pink-glow);
  opacity: 0.95;
}

.sf-hero-cta--outline {
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--sf-fg);
}

.sf-hero-cta--outline:hover {
  border-color: var(--sf-pink);
  color: var(--sf-pink);
}

.sf-hero-image-panel {
  position: relative;
  overflow: hidden;
}

.sf-hero-image-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

.sf-hero-image-panel::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--sf-bg) 0%, transparent 30%);
}

/* ─── SECTION HEADERS ─── */
.sf-section {
  position: relative;
  z-index: 1;
  padding: 80px 80px;
}

.sf-section + .sf-section {
  border-top: 1px solid rgba(255,255,255,0.05);
}

.sf-section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 48px;
}

.sf-section-title {
  font-family: var(--sf-font-bold);
  font-size: clamp(32px, 4vw, 56px);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sf-chrome);
}

.sf-section-skull {
  color: var(--sf-skull);
  font-size: 24px;
  margin-left: 12px;
}

.sf-section-sub {
  font-family: var(--sf-font-serif);
  font-size: 16px;
  font-style: italic;
  color: var(--sf-fg-muted);
  margin-top: 6px;
}

.sf-section-view-all {
  font-family: var(--sf-font-bold);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sf-pink);
  text-decoration: none;
  transition: opacity 0.2s;
}

.sf-section-view-all:hover { opacity: 0.75; }

/* ─── PRODUCT GRID ─── */
.sf-product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.sf-product-card {
  position: relative;
  aspect-ratio: 3/4;
  background: var(--sf-bg-card);
  overflow: hidden;
  cursor: pointer;
  group: true;
}

.sf-product-card:hover .sf-product-card-overlay {
  opacity: 1;
}

.sf-product-card:hover .sf-product-card-img {
  transform: scale(1.04);
}

.sf-product-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

/* When no image — dark editorial placeholder */
.sf-product-no-image {
  width: 100%;
  height: 100%;
  background: var(--sf-bg-lift);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.sf-product-no-image-skull {
  font-size: 48px;
  opacity: 0.3;
}

.sf-product-no-image-saying {
  font-family: var(--sf-font-bold);
  font-size: 18px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sf-fg-muted);
  text-align: center;
  padding: 0 20px;
  line-height: 1.3;
}

.sf-product-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6,6,6,0.95) 0%, rgba(6,6,6,0.4) 60%, transparent 100%);
  opacity: 0.7;
  transition: opacity 0.3s;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
}

.sf-product-card-saying {
  font-family: var(--sf-font-bold);
  font-size: 18px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sf-chrome);
  line-height: 1.2;
  margin-bottom: 6px;
}

.sf-product-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sf-product-card-price {
  font-family: var(--sf-font-serif);
  font-size: 16px;
  color: var(--sf-fg-muted);
}

.sf-product-card-btn {
  font-family: var(--sf-font-bold);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sf-bg);
  background: var(--sf-pink);
  padding: 8px 16px;
  border-radius: 2px;
  text-decoration: none;
  transition: box-shadow 0.2s;
}

.sf-product-card-btn:hover {
  box-shadow: 0 0 20px var(--sf-pink-glow);
}

.sf-product-card-tier {
  position: absolute;
  top: 16px;
  left: 16px;
  font-family: var(--sf-font-bold);
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 2px;
}

.sf-tier-loud    { background: var(--sf-pink); color: var(--sf-bg); }
.sf-tier-medium  { background: rgba(255,20,147,0.2); color: var(--sf-pink); border: 1px solid rgba(255,20,147,0.4); }
.sf-tier-whisper { background: rgba(255,255,255,0.08); color: var(--sf-fg-muted); }

/* ─── TIER LEGEND ─── */
.sf-tier-legend {
  display: flex;
  gap: 32px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.sf-tier-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sf-tier-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.sf-tier-dot--loud    { background: var(--sf-pink); }
.sf-tier-dot--medium  { background: rgba(255,20,147,0.5); }
.sf-tier-dot--whisper { background: var(--sf-fg-dim); }

.sf-tier-label {
  font-family: var(--sf-font-bold);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sf-fg-muted);
}

/* ─── ACCESSORIES GRID ─── */
.sf-acc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}

.sf-acc-card {
  aspect-ratio: 1;
  background: var(--sf-bg-card);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.sf-acc-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s;
}

.sf-acc-card:hover .sf-acc-card-img {
  transform: scale(1.05);
}

.sf-acc-no-image {
  width: 100%;
  height: 100%;
  background: var(--sf-bg-lift);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.sf-acc-no-image-icon { font-size: 40px; opacity: 0.3; }
.sf-acc-no-image-name {
  font-family: var(--sf-font-bold);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sf-fg-muted);
  text-align: center;
  padding: 0 16px;
}

.sf-acc-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6,6,6,0.9) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  opacity: 0.85;
  transition: opacity 0.3s;
}

.sf-acc-card:hover .sf-acc-card-overlay { opacity: 1; }

.sf-acc-card-name {
  font-family: var(--sf-font-bold);
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sf-chrome);
}

.sf-acc-card-tagline {
  font-family: var(--sf-font-serif);
  font-size: 13px;
  font-style: italic;
  color: var(--sf-fg-muted);
  margin-bottom: 8px;
}

.sf-acc-card-price {
  font-family: var(--sf-font-serif);
  font-size: 15px;
  color: var(--sf-pink);
}

/* ─── PRODUCT DETAIL ─── */
.sf-detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  min-height: 80vh;
  position: relative;
  z-index: 1;
}

.sf-detail-image {
  aspect-ratio: 3/4;
  background: var(--sf-bg-card);
  overflow: hidden;
}

.sf-detail-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sf-detail-no-image {
  width: 100%;
  height: 100%;
  background: var(--sf-bg-lift);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.sf-detail-no-image-skull { font-size: 80px; opacity: 0.2; }
.sf-detail-no-image-saying {
  font-family: var(--sf-font-bold);
  font-size: 28px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--sf-fg-muted);
  text-align: center;
  padding: 0 40px;
}

.sf-detail-info {
  padding: 60px 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.sf-detail-breadcrumb {
  font-family: var(--sf-font-bold);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sf-fg-muted);
  margin-bottom: 20px;
}

.sf-detail-breadcrumb a {
  color: var(--sf-pink);
  text-decoration: none;
}

.sf-detail-saying {
  font-family: var(--sf-font-bold);
  font-size: clamp(28px, 4vw, 48px);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sf-chrome);
  line-height: 1.15;
  margin-bottom: 16px;
}

.sf-detail-tier-badge {
  display: inline-block;
  font-family: var(--sf-font-bold);
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 2px;
  margin-bottom: 16px;
}

.sf-detail-description {
  font-family: var(--sf-font-serif);
  font-size: 18px;
  font-style: italic;
  color: var(--sf-fg-muted);
  margin-bottom: 36px;
  line-height: 1.6;
}

.sf-detail-label {
  font-family: var(--sf-font-bold);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sf-fg-muted);
  margin-bottom: 12px;
}

/* Cut selector */
.sf-cut-options {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.sf-cut-option {
  padding: 10px 18px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 2px;
  font-family: var(--sf-font-bold);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--sf-fg-muted);
  cursor: pointer;
  background: transparent;
  transition: all 0.2s;
}

.sf-cut-option:hover,
.sf-cut-option.active {
  border-color: var(--sf-pink);
  color: var(--sf-pink);
}

/* Size selector */
.sf-size-options {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.sf-size-option {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 2px;
  font-family: var(--sf-font-bold);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--sf-fg-muted);
  cursor: pointer;
  background: transparent;
  transition: all 0.2s;
}

.sf-size-option:hover,
.sf-size-option.active {
  border-color: var(--sf-pink);
  color: var(--sf-pink);
}

.sf-price-display {
  font-family: var(--sf-font-serif);
  font-size: 36px;
  color: var(--sf-chrome);
  margin-bottom: 8px;
}

.sf-price-note {
  font-size: 13px;
  color: var(--sf-fg-muted);
  margin-bottom: 32px;
}

/* Order form */
.sf-order-form { display: flex; flex-direction: column; gap: 14px; }

.sf-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.sf-form-input {
  width: 100%;
  padding: 14px 18px;
  background: var(--sf-bg-lift);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 2px;
  color: var(--sf-fg);
  font-family: var(--sf-font-body);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.sf-form-input:focus {
  border-color: var(--sf-pink);
}

.sf-form-input::placeholder { color: var(--sf-fg-muted); }

.sf-submit-btn {
  width: 100%;
  padding: 18px 32px;
  background: var(--sf-pink);
  color: var(--sf-bg);
  font-family: var(--sf-font-bold);
  font-size: 14px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: box-shadow 0.2s, opacity 0.2s;
}

.sf-submit-btn:hover {
  box-shadow: 0 0 30px var(--sf-pink-glow);
  opacity: 0.95;
}

/* ─── BRAND STRIP ─── */
.sf-brand-strip {
  position: relative;
  z-index: 1;
  padding: 60px 80px;
  background: var(--sf-pink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  overflow: hidden;
}

.sf-brand-strip::before {
  content: '💀 💋 💀 💋 💀 💋 💀 💋 💀';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  font-size: 24px;
  text-align: center;
  opacity: 0.08;
  letter-spacing: 20px;
  white-space: nowrap;
  overflow: hidden;
}

.sf-brand-strip-headline {
  font-family: var(--sf-font-bold);
  font-size: clamp(32px, 5vw, 72px);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sf-bg);
  line-height: 1.0;
  position: relative;
  z-index: 1;
}

.sf-brand-strip-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sf-font-bold);
  font-size: 14px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--sf-pink);
  background: var(--sf-bg);
  padding: 18px 40px;
  border-radius: 2px;
  position: relative;
  z-index: 1;
  transition: box-shadow 0.2s;
}

.sf-brand-strip-cta:hover {
  box-shadow: 0 0 30px rgba(0,0,0,0.5);
}

/* ─── FOOTER ─── */
.sf-footer {
  position: relative;
  z-index: 1;
  padding: 60px 80px 40px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.sf-footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 48px;
}

.sf-footer-brand-name {
  font-family: var(--sf-font-bold);
  font-size: 28px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sf-chrome);
  margin-bottom: 12px;
}

.sf-footer-brand-name span { color: var(--sf-pink); }

.sf-footer-tagline {
  font-family: var(--sf-font-serif);
  font-size: 16px;
  font-style: italic;
  color: var(--sf-fg-muted);
  margin-bottom: 20px;
}

.sf-footer-skull {
  font-size: 20px;
}

.sf-footer-col-title {
  font-family: var(--sf-font-bold);
  font-size: 12px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--sf-fg-muted);
  margin-bottom: 20px;
}

.sf-footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sf-footer-links a {
  font-size: 14px;
  color: var(--sf-fg-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.sf-footer-links a:hover { color: var(--sf-pink); }

.sf-footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sf-footer-copy {
  font-size: 13px;
  color: var(--sf-fg-dim);
}

.sf-footer-logo-img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  opacity: 0.6;
}

/* ─── ORDER SUCCESS ─── */
.sf-success-page {
  position: relative;
  z-index: 1;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 40px;
}

.sf-success-card {
  max-width: 560px;
  width: 100%;
  background: var(--sf-bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--sf-radius);
  padding: 60px;
  text-align: center;
}

.sf-success-icon { font-size: 64px; margin-bottom: 24px; }

.sf-success-title {
  font-family: var(--sf-font-bold);
  font-size: 36px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sf-pink);
  margin-bottom: 16px;
}

.sf-success-sub {
  font-family: var(--sf-font-serif);
  font-size: 18px;
  font-style: italic;
  color: var(--sf-fg-muted);
  margin-bottom: 36px;
}

/* ─── PAGE HEADER (Tops / Shorts / Accessories) ─── */
.sf-page-header {
  position: relative;
  z-index: 1;
  padding: 100px 80px 60px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.sf-page-header-eyebrow {
  font-family: var(--sf-font-bold);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--sf-pink);
  margin-bottom: 16px;
}

.sf-page-header-title {
  font-family: var(--sf-font-bold);
  font-size: clamp(48px, 7vw, 96px);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sf-chrome);
  line-height: 0.95;
}

.sf-page-header-title span { color: var(--sf-skull); }

.sf-page-header-sub {
  font-family: var(--sf-font-serif);
  font-size: 18px;
  font-style: italic;
  color: var(--sf-fg-muted);
  margin-top: 20px;
  max-width: 600px;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .sf-nav { padding: 16px 24px; }
  .sf-hero { grid-template-columns: 1fr; min-height: auto; }
  .sf-hero-image-panel { height: 55vw; }
  .sf-hero-text-panel { padding: 60px 40px; }
  .sf-hero-image-panel::after { background: linear-gradient(to top, var(--sf-bg) 0%, transparent 40%); }
  .sf-product-grid { grid-template-columns: repeat(2, 1fr); }
  .sf-acc-grid { grid-template-columns: repeat(2, 1fr); }
  .sf-section { padding: 60px 40px; }
  .sf-detail-layout { grid-template-columns: 1fr; }
  .sf-detail-info { padding: 40px; }
  .sf-page-header { padding: 80px 40px 40px; }
  .sf-brand-strip { padding: 40px; flex-direction: column; gap: 24px; text-align: center; }
  .sf-footer-inner { grid-template-columns: 1fr 1fr; gap: 40px; }
  .sf-footer { padding: 40px 40px 32px; }
}

@media (max-width: 640px) {
  .sf-nav { padding: 14px 20px; }
  .sf-nav-links { display: none; }
  .sf-product-grid { grid-template-columns: 1fr; }
  .sf-acc-grid { grid-template-columns: repeat(2, 1fr); }
  .sf-section { padding: 48px 20px; }
  .sf-hero-text-panel { padding: 40px 20px; }
  .sf-page-header { padding: 60px 20px 32px; }
  .sf-footer { padding: 40px 20px 24px; }
  .sf-footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .sf-detail-info { padding: 28px 20px; }
}