/* ============================================================
   OPTISENSE — Cortitron · Salud Visual · España
   Design: Precision White — cobalt blue + crimson CTA
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,700;1,9..144,400&display=swap');

:root {
  --bg:            #FFFFFF;
  --bg-white:      #FFFFFF;
  --bg-alt:        #F3F6FB;
  --bg-dark:       #0F172A;
  --bg-dark-2:     #1E293B;
  --bg-dark-3:     #162032;

  --text-dark:     #0F172A;
  --text-mid:      #334155;
  --text-muted:    #64748B;
  --text-light:    #CBD5E1;
  --text-on-dark:  #E2E8F0;

  --accent:        #2563EB;
  --accent-dark:   #1D4ED8;
  --accent-light:  #DBEAFE;
  --accent-glow:   rgba(37,99,235,0.18);
  --accent-grad:   linear-gradient(135deg, #1D4ED8 0%, #3B82F6 100%);

  --red:           #DC2626;
  --red-dark:      #B91C1C;
  --red-light:     #FEE2E2;
  --red-grad:      linear-gradient(135deg, #B91C1C 0%, #EF4444 100%);

  --slate:         #475569;
  --slate-lt:      #F1F5F9;

  --border:        rgba(15,23,42,0.09);
  --border-light:  rgba(255,255,255,0.12);
  --border-accent: rgba(37,99,235,0.20);

  --shadow-sm:     0 1px 8px rgba(15,23,42,0.07);
  --shadow-md:     0 4px 24px rgba(15,23,42,0.11);
  --shadow-lg:     0 16px 60px rgba(15,23,42,0.15);
  --shadow-red:    0 4px 20px rgba(185,28,28,0.22);
  --glow-blue:     0 0 22px rgba(37,99,235,0.22);

  --radius-xl:     12px;
  --radius-lg:     8px;
  --radius-md:     6px;
  --radius-sm:     4px;
  --radius-full:   999px;

  --max-width:     1160px;
  --font-serif:    'Fraunces', Georgia, serif;
  --font-sans:     'Outfit', system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-dark);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
main { display: block; }

.container {
  width: min(92%, var(--max-width));
  margin: 0 auto;
}

/* ── TOP BAR ── */
.top-bar {
  background: var(--accent);
  color: #fff;
  text-align: center;
  font-size: 0.80rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 9px 16px;
}

.top-bar strong { color: #fff; opacity: 0.85; }

/* ── HEADER ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1.5px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 20px;
}

/* ── BRAND ── */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--accent-grad);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.brand-logo svg {
  width: 22px;
  height: 22px;
  fill: #fff;
}

.brand-text-wrap { display: grid; gap: 1px; }

.brand-tagline {
  font-size: 0.63rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 600;
}

.brand-name {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--text-dark);
  font-family: var(--font-sans);
  letter-spacing: -0.02em;
}

/* ── NAV ── */
.nav { display: flex; align-items: center; gap: 2px; }

.nav-link {
  padding: 7px 13px;
  border-radius: var(--radius-full);
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-mid);
  transition: background 0.15s, color 0.15s;
}

.nav-link:hover,
.nav-link.active {
  background: var(--accent-light);
  color: var(--accent-dark);
}

.nav-cta {
  background: var(--red-grad);
  color: #fff !important;
  padding: 9px 20px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.86rem;
  box-shadow: var(--shadow-red);
  transition: transform 0.15s, box-shadow 0.15s, opacity 0.15s;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(185,28,28,0.34);
  opacity: 0.94;
  color: #fff !important;
}

/* ── HAMBURGER ── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-mid);
  border-radius: 2px;
  transition: transform 0.3s;
}

/* ── BADGES ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 11px;
  border-radius: var(--radius-full);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.10em;
  text-transform: uppercase;
}

.badge-green  { background: var(--accent-light); color: var(--accent-dark); border: 1px solid var(--border-accent); }
.badge-amber  { background: var(--red-light); color: var(--red-dark); border: 1px solid rgba(220,38,38,0.20); }
.badge-gold   { background: var(--red-light); color: var(--red); border: 1px solid rgba(220,38,38,0.22); }
.badge-ad     { background: var(--slate-lt); color: var(--slate); border: 1px solid rgba(71,85,105,0.18); }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: transform 0.15s, box-shadow 0.15s, opacity 0.15s;
  text-decoration: none;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--red-grad);
  color: #fff;
  padding: 14px 30px;
  border-radius: var(--radius-full);
  font-size: 0.97rem;
  box-shadow: 0 4px 20px rgba(185,28,28,0.28);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(185,28,28,0.40);
  color: #fff;
  opacity: 0.95;
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  padding: 13px 28px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  border: 2px solid var(--accent);
}

.btn-outline:hover {
  background: var(--accent-light);
  color: var(--accent-dark);
}

.btn-outline-light {
  background: rgba(255,255,255,0.10);
  color: #fff;
  padding: 13px 28px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  border: 2px solid rgba(255,255,255,0.28);
}

.btn-outline-light:hover {
  background: rgba(255,255,255,0.18);
  color: #fff;
  border-color: rgba(255,255,255,0.50);
}

.btn-amber {
  background: var(--red-grad);
  color: #fff;
  padding: 15px 32px;
  border-radius: var(--radius-full);
  font-size: 1rem;
  box-shadow: 0 4px 20px rgba(185,28,28,0.28);
}

.btn-amber:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(185,28,28,0.40);
  color: #fff;
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1.04rem;
}

/* ══════════════════════════════════════════
   HERO — stark white, bold typography
══════════════════════════════════════════ */
.hero {
  background: var(--bg-alt);
  padding: 80px 0 72px;
  overflow: hidden;
  position: relative;
  border-bottom: 1.5px solid var(--border);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(135deg, rgba(37,99,235,0.04) 0%, rgba(59,130,246,0.06) 100%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.hero-divider {
  width: 32px; height: 2px;
  background: var(--accent-grad);
  border-radius: 2px;
}

.hero-category {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw + 0.4rem, 3.6rem);
  line-height: 1.10;
  margin: 0 0 22px;
  font-weight: 700;
  color: var(--text-dark);
  letter-spacing: -0.02em;
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
}

.hero-intro {
  font-size: 1.05rem;
  color: var(--text-mid);
  margin-bottom: 32px;
  max-width: 530px;
  line-height: 1.78;
}

.hero-intro strong { color: var(--text-dark); font-weight: 700; }

.hero-features {
  display: grid;
  gap: 8px;
  margin-bottom: 36px;
}

.hero-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 11px 15px;
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  font-size: 0.89rem;
  color: var(--text-mid);
}

.hero-feature-icon {
  width: 26px; height: 26px;
  flex-shrink: 0;
  margin-top: 1px;
  background: var(--accent-light);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-size: 0.80rem;
}

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

.hero-note {
  font-size: 0.73rem;
  color: var(--text-muted);
  margin-top: 16px;
  line-height: 1.6;
}

/* Hero product card */
.hero-visual { position: relative; }

.hero-product-card {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  border: 1.5px solid var(--border);
  box-shadow: var(--shadow-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--accent-grad);
}

.hero-product-card img {
  width: 85%;
  margin: 0 auto 20px;
  filter: drop-shadow(0 10px 28px rgba(15,23,42,0.14));
}

.product-price-tag {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  background: var(--red-grad);
  color: #fff;
  border-radius: var(--radius-md);
  padding: 12px 22px;
  margin-top: 8px;
  box-shadow: 0 6px 20px rgba(185,28,28,0.26);
}

.price-label { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.12em; opacity: 0.86; text-transform: uppercase; }
.price-value { font-size: 1.75rem; font-weight: 700; font-family: var(--font-serif); line-height: 1.1; }
.price-sub   { font-size: 0.71rem; opacity: 0.82; }

.floating-badge {
  position: absolute;
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 7px 13px;
  font-size: 0.77rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-dark);
  box-shadow: var(--shadow-sm);
}

.fb-top-right  { top: 18px; right: -14px; }
.fb-bottom-left{ bottom: 24px; left: -14px; }

/* ══════════════════════════════════════════
   SECTION BASE
══════════════════════════════════════════ */
.section    { padding: 72px 0; }
.section-sm { padding: 44px 0; }

.section-header { margin-bottom: 44px; }
.section-header.centered { text-align: center; }

.section-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.section-eyebrow.centered { justify-content: center; }

.eyebrow-line {
  width: 28px; height: 2px;
  background: var(--accent-grad);
  border-radius: 2px;
}

.eyebrow-text {
  font-size: 0.71rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 2.2vw + 0.4rem, 2.4rem);
  font-weight: 700;
  color: var(--text-dark);
  margin: 0 0 12px;
  letter-spacing: -0.02em;
  line-height: 1.22;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0;
  line-height: 1.7;
}

.section-subtitle.wide { max-width: 720px; }

/* ── TRUST BAR ── */
.trust-bar {
  background: var(--bg-dark);
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.trust-items {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.83rem;
  font-weight: 600;
  color: rgba(255,255,255,0.70);
}

.trust-icon {
  width: 32px; height: 32px;
  background: rgba(37,99,235,0.18);
  border: 1px solid rgba(59,130,246,0.28);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.95rem;
}

/* ── ARTICLE SECTION ── */
.article-section { background: var(--bg-white); }

.article-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 60px;
  align-items: start;
}

.article-body h2 {
  font-family: var(--font-serif);
  font-size: 1.60rem;
  color: var(--text-dark);
  margin: 0 0 16px;
  font-weight: 700;
  line-height: 1.24;
}

.article-body p {
  color: var(--text-mid);
  margin: 0 0 18px;
  font-size: 1.01rem;
  line-height: 1.84;
}

.article-body p:last-child { margin-bottom: 0; }

.pull-quote {
  border-left: 3px solid var(--accent);
  padding: 16px 22px;
  background: var(--accent-light);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  margin: 28px 0;
}

.pull-quote p {
  font-family: var(--font-serif);
  font-size: 1.10rem;
  font-style: italic;
  color: var(--accent-dark);
  margin: 0 !important;
  line-height: 1.6;
}

.article-sidebar { display: grid; gap: 20px; }

.sidebar-card {
  background: var(--bg-alt);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.sidebar-card-title {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-dark);
  margin: 0 0 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ingredient-list { display: grid; gap: 8px; }

.ingredient-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.ingredient-num {
  width: 26px; height: 26px;
  background: var(--accent-grad);
  color: #fff;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-size: 0.72rem;
  font-weight: 800;
  flex-shrink: 0;
}

.ingredient-name {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--text-dark);
}

.ingredient-desc {
  font-size: 0.73rem;
  color: var(--text-muted);
}

/* ── STATS STRIP ── */
.stats-strip {
  background: var(--bg-dark);
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}

.stats-strip::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 100% at 50% 50%, rgba(37,99,235,0.09), transparent 70%);
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.stat-item { color: #fff; }

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 8px;
  color: #fff;
}

.stat-label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.50);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.stat-divider {
  width: 1px;
  background: rgba(255,255,255,0.08);
  align-self: stretch;
  margin: auto 0;
}

/* ── HOW IT WORKS ── */
.how-section { background: var(--bg-alt); }

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 34px;
  left: calc(16.66% + 12px);
  right: calc(16.66% + 12px);
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--accent) 0, var(--accent) 6px, transparent 6px, transparent 16px);
  opacity: 0.30;
  pointer-events: none;
}

.step-card {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 22px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
}

.step-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.step-number {
  width: 56px; height: 56px;
  background: var(--accent-grad);
  color: #fff;
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-sans);
  margin: 0 auto 20px;
  box-shadow: 0 4px 16px rgba(37,99,235,0.28);
  position: relative;
  z-index: 1;
}

.step-title {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  margin: 0 0 10px;
}

.step-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.68;
  margin: 0;
}

/* ── TESTIMONIALS ── */
.testimonials-section { background: var(--bg-white); }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.testimonial-card {
  background: var(--bg-alt);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
  border-top: 3px solid var(--accent);
}

.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 8px; right: 18px;
  font-family: var(--font-serif);
  font-size: 4rem;
  line-height: 1;
  color: var(--accent-light);
  pointer-events: none;
}

.stars {
  display: flex;
  gap: 3px;
  margin-bottom: 13px;
}

.star { color: #F59E0B; font-size: 0.93rem; }

.testimonial-text {
  font-size: 0.92rem;
  color: var(--text-mid);
  line-height: 1.72;
  margin: 0 0 18px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--accent-grad);
  display: grid;
  place-items: center;
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.author-name {
  font-size: 0.87rem;
  font-weight: 700;
  color: var(--text-dark);
}

.author-location {
  font-size: 0.73rem;
  color: var(--text-muted);
}

.disclaimer-note {
  font-size: 0.74rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 28px;
  font-style: italic;
}

/* ── PRODUCT SHOWCASE ── */
.product-section {
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
}

.product-section::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,0.10) 0%, transparent 65%);
  pointer-events: none;
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.product-visual {
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-xl);
  padding: 44px;
  border: 1px solid rgba(255,255,255,0.10);
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.product-visual img {
  width: 82%;
  margin: 0 auto;
  filter: drop-shadow(0 12px 36px rgba(37,99,235,0.18));
}

.product-info { display: grid; gap: 22px; }

.product-name {
  font-family: var(--font-serif);
  font-size: 2.3rem;
  font-weight: 700;
  color: #fff;
  margin: 0;
  letter-spacing: -0.02em;
}

.product-tagline {
  font-size: 1rem;
  color: var(--text-light);
  margin: 0;
  line-height: 1.72;
}

.product-benefits { display: grid; gap: 10px; }

.benefit-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 13px 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
}

.benefit-icon {
  width: 36px; height: 36px;
  background: rgba(37,99,235,0.18);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-size: 1.05rem;
  flex-shrink: 0;
}

.benefit-text strong {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 3px;
}

.benefit-text span {
  font-size: 0.80rem;
  color: rgba(255,255,255,0.50);
}

/* ── ORDER SECTION ── */
.order-section {
  background: var(--bg-alt);
  border-top: 1.5px solid var(--border);
}

.order-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.order-info { display: grid; gap: 22px; }

.order-price-block {
  background: var(--accent-grad);
  border-radius: var(--radius-lg);
  padding: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #fff;
  box-shadow: 0 8px 32px rgba(37,99,235,0.26);
}

.order-price-label { font-size: 0.80rem; opacity: 0.86; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; }
.order-price-amount {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1;
}
.order-price-note { font-size: 0.73rem; opacity: 0.76; margin-top: 4px; }

.order-guarantees { display: grid; gap: 10px; }

.guarantee-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.87rem;
  color: var(--text-mid);
  font-weight: 500;
}

.guarantee-icon { font-size: 1.1rem; }

/* ── FORM ── */
.form-card {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.form-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--red-grad);
}

.form-title {
  font-family: var(--font-sans);
  font-size: 1.32rem;
  font-weight: 700;
  color: var(--text-dark);
  margin: 0 0 6px;
}

.form-subtitle {
  font-size: 0.86rem;
  color: var(--text-muted);
  margin: 0 0 24px;
}

.form { display: grid; gap: 15px; }

.form-group { display: grid; gap: 6px; }

.form-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-mid);
  letter-spacing: 0.01em;
}

.form-input {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-alt);
  color: var(--text-dark);
  font-size: 0.94rem;
  font-family: var(--font-sans);
  transition: border-color 0.15s, box-shadow 0.15s;
  -webkit-appearance: none;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.10);
  background: var(--bg-white);
}

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

.form-submit {
  width: 100%;
  padding: 15px;
  background: var(--red-grad);
  color: #fff;
  border: none;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font-sans);
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(185,28,28,0.26);
  transition: transform 0.15s, box-shadow 0.15s, opacity 0.15s;
  letter-spacing: 0.01em;
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(185,28,28,0.38);
}

.form-legal {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.55;
  text-align: center;
}

.form-legal a { color: var(--accent); text-decoration: underline; }

/* ── BLOG SECTION ── */
.blog-section { background: var(--bg-white); }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.blog-card {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.blog-card-img {
  height: 175px;
  overflow: hidden;
  position: relative;
}

.blog-card-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.8rem;
  background: linear-gradient(135deg, var(--bg-dark-2) 0%, var(--bg-dark-3) 100%);
}

.blog-card-body { padding: 20px; }

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.blog-card-date {
  font-size: 0.73rem;
  color: var(--text-muted);
  font-weight: 500;
}

.blog-card-cat {
  font-size: 0.69rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-light);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.blog-card-title {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin: 0 0 8px;
  line-height: 1.4;
}

.blog-card-excerpt {
  font-size: 0.83rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.60;
}

.blog-read-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.80rem;
  font-weight: 700;
  color: var(--accent);
  margin-top: 12px;
}

/* ── DISCLAIMER ── */
.disclaimer-section {
  background: var(--bg-dark);
  border-top: 1px solid rgba(255,255,255,0.06);
}

.disclaimer-box {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.disclaimer-icon {
  width: 40px; height: 40px;
  background: rgba(245,158,11,0.14);
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.disclaimer-text {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.40);
  line-height: 1.72;
}

.disclaimer-text strong { color: rgba(255,255,255,0.66); }

/* ── FOOTER ── */
.footer {
  background: var(--bg-dark-2);
  color: #fff;
  padding: 52px 0 28px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 28px;
}

.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-tagline { color: rgba(255,255,255,0.36); }

.footer-brand-desc {
  font-size: 0.83rem;
  color: rgba(255,255,255,0.40);
  margin-top: 14px;
  line-height: 1.68;
}

.footer-col-title {
  font-size: 0.70rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.30);
  margin-bottom: 16px;
}

.footer-links { display: grid; gap: 9px; }

.footer-link {
  font-size: 0.86rem;
  color: rgba(255,255,255,0.52);
  font-weight: 400;
  transition: color 0.15s;
}

.footer-link:hover { color: #fff; }

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 0.83rem;
  color: rgba(255,255,255,0.52);
  margin-bottom: 9px;
}

.footer-contact-icon { font-size: 0.88rem; margin-top: 2px; }

.footer-bottom {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-legal {
  font-size: 0.73rem;
  color: rgba(255,255,255,0.24);
  line-height: 1.65;
  max-width: 700px;
}

.footer-copy {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.24);
  white-space: nowrap;
}

/* ── CONTENT PAGES ── */
.content-page { padding: 56px 0 64px; background: var(--bg-alt); }

.content-wrap {
  max-width: 780px;
  margin: 0 auto;
}

.content-card {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 44px 48px;
  box-shadow: var(--shadow-md);
}

.content-card h1 {
  font-family: var(--font-serif);
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin: 16px 0 26px;
  letter-spacing: -0.02em;
}

.content-card h2 {
  font-family: var(--font-sans);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text-dark);
  margin: 30px 0 12px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  letter-spacing: -0.01em;
}

.content-card h2:first-of-type { border-top: none; }

.content-card p {
  font-size: 0.94rem;
  color: var(--text-mid);
  line-height: 1.82;
  margin: 0 0 16px;
}

.content-card p:last-child { margin-bottom: 0; }

.content-card strong { color: var(--text-dark); }

.content-card a { color: var(--accent); text-decoration: underline; }

.content-card ul {
  padding-left: 20px;
  color: var(--text-mid);
  font-size: 0.94rem;
  line-height: 1.82;
  margin: 0 0 16px;
}

/* ── BLOG PAGES ── */
.blog-page { padding: 56px 0 64px; background: var(--bg-alt); }

.blog-page-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.post-page { padding: 56px 0 64px; background: var(--bg-alt); }

.post-wrap {
  max-width: 740px;
  margin: 0 auto;
}

.post-card {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 44px 48px;
  box-shadow: var(--shadow-md);
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.post-date {
  font-size: 0.79rem;
  color: var(--text-muted);
}

.post-cat {
  font-size: 0.71rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-light);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.post-card h1 {
  font-family: var(--font-serif);
  font-size: 1.82rem;
  font-weight: 700;
  color: var(--text-dark);
  margin: 0 0 20px;
  line-height: 1.28;
}

.post-card p {
  font-size: 0.96rem;
  color: var(--text-mid);
  line-height: 1.82;
  margin: 0 0 16px;
}

.post-card h2 {
  font-family: var(--font-sans);
  font-size: 1.10rem;
  font-weight: 700;
  color: var(--text-dark);
  margin: 30px 0 12px;
}

/* ── UTILITY ── */
.text-center { text-align: center; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }

/* ── MOBILE NAV ── */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,0.60);
  z-index: 200;
  backdrop-filter: blur(4px);
}

.mobile-nav-panel {
  position: absolute;
  top: 0; right: 0;
  width: 280px;
  height: 100%;
  background: var(--bg-white);
  padding: 24px;
  display: grid;
  gap: 8px;
  align-content: start;
  box-shadow: var(--shadow-lg);
  border-left: 1.5px solid var(--border);
}

.mobile-nav.open { display: block; }

.mobile-nav-close {
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--text-muted);
  justify-self: end;
  padding: 4px 8px;
}

.mobile-nav-link {
  display: block;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-weight: 600;
  color: var(--text-mid);
  font-size: 0.94rem;
  transition: background 0.15s, color 0.15s;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  background: var(--accent-light);
  color: var(--accent-dark);
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .hero-grid,
  .product-grid,
  .order-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-product-card { max-width: 380px; margin: 0 auto; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-divider { display: none; }

  .steps-grid { grid-template-columns: 1fr; }
  .steps-grid::before { display: none; }

  .testimonials-grid { grid-template-columns: 1fr; }

  .blog-grid { grid-template-columns: repeat(2, 1fr); }

  .footer-top { grid-template-columns: 1fr; gap: 28px; }

  .nav { display: none; }
  .hamburger { display: flex; }
}

@media (max-width: 640px) {
  .hero { padding: 48px 0 40px; }
  .section { padding: 52px 0; }

  .hero h1 { font-size: 2rem; }

  .stats-grid { grid-template-columns: 1fr 1fr; }

  .blog-grid { grid-template-columns: 1fr; }

  .content-card,
  .post-card { padding: 28px 22px; }

  .trust-items { gap: 20px; }

  .order-price-block { flex-direction: column; text-align: center; gap: 10px; }

  .fb-top-right,
  .fb-bottom-left { display: none; }
}