/* ============================================================
   HYENERGY — style.css
   Color system: Black base, Dark grey surfaces, Gold accent
   Typography: Bebas Neue (display) + Barlow Condensed (headings) + Barlow (body)
   ============================================================ */

/* ── CSS VARIABLES ── */
:root {
  --black:       #0A0A0B;
  --dark-1:      #111115;
  --dark-2:      #18181E;
  --dark-3:      #222229;
  --mid:         #2A2A34;
  --border:      #2E2E3A;
  --text-primary:   #F0F0F2;
  --text-secondary: #9898A8;
  --text-muted:     #5A5A6E;

  --gold:        #F5A623;
  --gold-light:  #FFD166;
  --gold-dark:   #C8810A;
  --blue:        #00B4FF;
  --blue-dark:   #007AB8;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-glow-gold: 0 0 40px rgba(245, 166, 35, 0.25);
  --shadow-glow-blue: 0 0 40px rgba(0, 180, 255, 0.25);
  --shadow-card: 0 8px 40px rgba(0, 0, 0, 0.5);

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-height: 68px;

  --font-display: 'Bebas Neue', sans-serif;
  --font-heading: 'Barlow Condensed', sans-serif;
  --font-body:    'Barlow', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea, select { font-family: inherit; }

/* ── CONTAINER ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── SECTION LAYOUTS ── */
.section-dark  { background: var(--black); }
.section-light { background: var(--dark-1); }
.section-mid   { background: var(--dark-2); }

section { padding: 96px 0; }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-eyebrow {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(38px, 6vw, 64px);
  line-height: 1.05;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-sub {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

.accent-gold { color: var(--gold); }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.08);
  opacity: 0;
  transition: opacity 0.2s;
}
.btn:hover::before { opacity: 1; }

.btn-gold {
  background: var(--gold);
  color: var(--black);
  border-color: var(--gold);
}
.btn-gold:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-gold);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}
.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}

.btn-outline-sm {
  padding: 8px 16px;
  font-size: 12px;
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: var(--transition);
}
.btn-outline-sm:hover { border-color: var(--gold); color: var(--gold); }

.btn-primary-sm {
  padding: 8px 18px;
  font-size: 12px;
  background: var(--gold);
  color: var(--black);
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: var(--transition);
}
.btn-primary-sm:hover { background: var(--gold-light); }

.btn-lg { padding: 16px 36px; font-size: 15px; }
.btn-full { width: 100%; padding: 16px; font-size: 15px; }

/* ── NAVBAR ── */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(10, 10, 11, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
#navbar.scrolled {
  background: rgba(10, 10, 11, 0.95);
  border-bottom-color: var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-logo {
  display: flex;
  align-items: baseline;
  gap: 1px;
  font-family: var(--font-display);
  font-size: 26px;
  line-height: 1;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}
.logo-hy     { color: var(--gold); }
.logo-energy { color: var(--text-primary); }
.logo-reg    { font-size: 11px; color: var(--text-muted); margin-left: 1px; vertical-align: super; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  flex: 1;
}
.nav-links a {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--gold);
  transition: width 0.25s ease;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 0;
  background: radial-gradient(ellipse 80% 60% at 60% 50%, rgba(245,166,35,0.06) 0%, transparent 70%),
              var(--black);
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245,166,35,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,166,35,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  padding-top: var(--nav-height);
  min-height: 100vh;
}

.hero-eyebrow {
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1.5px;
  background: var(--gold);
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(52px, 8vw, 88px);
  line-height: 0.95;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 460px;
  margin-bottom: 36px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-trust {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.hero-trust span {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.hero-products {
  display: flex;
  gap: 20px;
  align-items: flex-end;
  justify-content: center;
}

.hero-product-card {
  flex: 1;
  max-width: 220px;
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}
.hero-product-card:hover {
  transform: translateY(-8px);
  border-color: var(--gold);
  box-shadow: var(--shadow-glow-gold);
}
.hero-card-2:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-glow-blue);
}

.hero-product-card img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: center;
  background: var(--dark-3);
}

.hero-card-label {
  padding: 12px 14px 14px;
  border-top: 1px solid var(--border);
}
.hero-card-label p {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  margin: 4px 0 4px;
}
.hero-card-label strong {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.label-badge {
  display: inline-block;
  padding: 3px 8px;
  font-size: 9px;
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: var(--gold);
  color: var(--black);
  border-radius: 3px;
}
.badge-blue { background: var(--blue); }

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--text-muted);
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(1.2); }
}

/* ── TRUST BAR ── */
.trust-bar {
  background: var(--dark-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
  overflow: hidden;
}
.trust-inner {
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.trust-inner::-webkit-scrollbar { display: none; }
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 28px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  white-space: nowrap;
  border-right: 1px solid var(--border);
  flex-shrink: 0;
}
.trust-item:last-child { border-right: none; }
.trust-icon { font-size: 18px; }

/* ── PROBLEM SECTION ── */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 56px;
}
.problem-card {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}
.problem-card:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.problem-icon { font-size: 40px; margin-bottom: 16px; }
.problem-card h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  letter-spacing: 0.03em;
}
.problem-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

.problem-cta {
  text-align: center;
  padding: 48px;
  background: linear-gradient(135deg, var(--dark-2), var(--dark-3));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.problem-cta p {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}

/* ── PRODUCTS SECTION ── */
.products-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.product-card {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-glow-gold);
  transform: translateY(-4px);
}
.product-card.blue-card:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-glow-blue);
}

.product-img-wrap {
  position: relative;
  background: var(--dark-3);
  padding: 40px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
}
.product-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(245,166,35,0.06), transparent 70%);
  pointer-events: none;
}
.product-card.blue-card .product-img-wrap::after {
  background: radial-gradient(circle at center, rgba(0,180,255,0.06), transparent 70%);
}

.product-img-wrap img {
  max-height: 260px;
  width: auto;
  object-fit: contain;
  position: relative;
  z-index: 1;
  transition: transform 0.4s ease;
  /* PLACEHOLDER styling — remove when real images are added */
  background: var(--dark-2);
  border-radius: var(--radius-md);
  padding: 8px;
  min-width: 160px;
  min-height: 220px;
}
.product-card:hover .product-img-wrap img { transform: scale(1.04); }

.product-badge-wrap {
  position: absolute;
  top: 14px;
  left: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 2;
}
.product-badge {
  display: inline-block;
  padding: 4px 10px;
  font-size: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--gold);
  color: var(--black);
  border-radius: 4px;
}
.product-badge.badge-blue { background: var(--blue); }

.product-body { padding: 28px 28px 32px; flex: 1; display: flex; flex-direction: column; gap: 16px; }

.product-name {
  font-family: var(--font-display);
  font-size: 32px;
  letter-spacing: 0.03em;
  color: var(--text-primary);
  line-height: 1;
}
.product-tagline {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
}
.product-card.blue-card .product-tagline { color: var(--blue); }

.product-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.65; }

.product-benefits {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.product-benefit-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}
.product-benefit-item .bi { font-size: 16px; }

.product-price-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
}
.product-price {
  font-family: var(--font-display);
  font-size: 36px;
  color: var(--gold);
  letter-spacing: 0.02em;
}
.product-card.blue-card .product-price { color: var(--blue); }
.product-mrp {
  font-size: 16px;
  color: var(--text-muted);
  text-decoration: line-through;
}
.product-volume {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-left: auto;
}

.product-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ── BENEFITS ── */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.benefit-item {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  transition: var(--transition);
}
.benefit-item:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.benefit-icon { font-size: 36px; margin-bottom: 16px; }
.benefit-item h4 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.benefit-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

/* ── HOW IT WORKS ── */
.steps-row {
  display: flex;
  align-items: center;
  gap: 16px;
}
.step-card {
  flex: 1;
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 28px;
  text-align: center;
  position: relative;
  transition: var(--transition);
}
.step-card:hover { border-color: var(--gold); box-shadow: var(--shadow-glow-gold); }

.step-num {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.1em;
  background: var(--gold);
  color: var(--black);
  padding: 3px 14px;
  border-radius: 20px;
}
.step-icon { font-size: 48px; margin-bottom: 20px; margin-top: 8px; }
.step-card h3 {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.step-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.65; }

.step-connector {
  font-size: 28px;
  color: var(--gold);
  flex-shrink: 0;
  opacity: 0.5;
}

/* ── COMPATIBILITY ── */
.compat-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin-bottom: 36px;
}
.compat-item {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 12px;
  text-align: center;
  transition: var(--transition);
}
.compat-item:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
  background: var(--dark-3);
}
.compat-icon { font-size: 36px; margin-bottom: 10px; }
.compat-item p { font-size: 12px; color: var(--text-secondary); font-family: var(--font-heading); font-weight: 600; letter-spacing: 0.05em; }

.compat-fuel {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.fuel-tag {
  padding: 8px 20px;
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: 40px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  transition: var(--transition);
}
.fuel-tag:hover { border-color: var(--gold); color: var(--gold); }

/* ── TESTIMONIALS ── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: var(--transition);
  position: relative;
}
.testimonial-card:hover { border-color: var(--border); transform: translateY(-4px); box-shadow: var(--shadow-card); }
.featured-review {
  border-color: var(--gold);
  background: linear-gradient(135deg, var(--dark-2), var(--dark-3));
}
.featured-review:hover { border-color: var(--gold); box-shadow: var(--shadow-glow-gold); }

.stars { color: var(--gold); font-size: 18px; letter-spacing: 2px; }

blockquote {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  font-style: italic;
  flex: 1;
}
blockquote::before { content: '"'; font-size: 40px; color: var(--gold); line-height: 0; vertical-align: -18px; margin-right: 4px; font-style: normal; }

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}
.av-mech { background: var(--gold-dark); }
.av-3    { background: var(--blue-dark); color: var(--text-primary); }

.testimonial-author strong { display: block; font-size: 14px; color: var(--text-primary); font-family: var(--font-heading); font-weight: 700; }
.testimonial-author span  { font-size: 12px; color: var(--text-muted); }

.review-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--gold);
  color: var(--black);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ── B2B SECTION ── */
.section-b2b {
  background: var(--dark-1);
  padding: 96px 0;
}
.b2b-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.b2b-text .section-eyebrow { text-align: left; margin-bottom: 12px; }
.b2b-text h2 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.0;
  letter-spacing: 0.02em;
  margin-bottom: 20px;
}
.b2b-text > p { font-size: 15px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 28px; }

.b2b-perks { display: flex; flex-direction: column; gap: 10px; margin-bottom: 32px; }
.b2b-perks li { font-size: 14px; color: var(--text-secondary); font-family: var(--font-heading); font-weight: 600; letter-spacing: 0.03em; }

.b2b-logos { display: flex; gap: 10px; flex-wrap: wrap; }
.b2b-badge {
  padding: 8px 16px;
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  transition: var(--transition);
}
.b2b-badge:hover { border-color: var(--gold); color: var(--gold); }

.b2b-form-card {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.b2b-form-card h3 {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 0.03em;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.b2b-form-card > p { font-size: 14px; color: var(--text-muted); margin-bottom: 24px; }

/* FORM */
form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.full-width { grid-column: 1 / -1; }

label {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
label span { color: var(--gold); }

input, textarea, select {
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 14px;
  color: var(--text-primary);
  transition: var(--transition);
  outline: none;
  width: 100%;
}
input::placeholder, textarea::placeholder { color: var(--text-muted); }
input:focus, textarea:focus, select:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(245,166,35,0.12); }
input.error, textarea.error, select.error { border-color: #E5534B; }

select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235A5A6E' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
select option { background: var(--dark-3); }

textarea { resize: vertical; min-height: 100px; }

.form-error { font-size: 11px; color: #E5534B; min-height: 14px; }

.btn-loader {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(0,0,0,0.3);
  border-top-color: var(--black);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

.form-success {
  background: rgba(0, 200, 100, 0.1);
  border: 1px solid rgba(0, 200, 100, 0.25);
  border-radius: var(--radius-sm);
  padding: 14px;
  font-size: 14px;
  color: #5EE89B;
  text-align: center;
}

/* ── FAQ ── */
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--border); }
.faq-item.open { border-color: var(--gold); }

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  text-align: left;
  transition: var(--transition);
}
.faq-q:hover { color: var(--gold); }
.faq-q[aria-expanded="true"] { color: var(--gold); }

.faq-arrow {
  font-size: 18px;
  color: var(--text-muted);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.faq-q[aria-expanded="true"] .faq-arrow { transform: rotate(180deg); color: var(--gold); }

.faq-a {
  padding: 0 22px 20px;
  animation: fadeDown 0.25s ease;
}
.faq-a p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── FOOTER ── */
footer {
  background: var(--dark-2);
  border-top: 1px solid var(--border);
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 2fr;
  gap: 48px;
  padding: 64px 24px 48px;
}

.footer-logo { margin-bottom: 16px; display: inline-flex; }
.footer-brand > p { font-size: 13px; color: var(--text-muted); line-height: 1.65; margin-bottom: 20px; }

.footer-social { display: flex; gap: 12px; align-items: center; }
.social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 16px;
  color: var(--text-secondary);
  transition: var(--transition);
  text-decoration: none;
}
.social-link:hover { border-color: var(--gold); color: var(--gold); background: rgba(245,166,35,0.08); }

.footer-links h4, .footer-contact h4 {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: 13px;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer-links a:hover { color: var(--gold); }

.footer-contact p {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 12px;
}
.footer-contact a { color: var(--gold); transition: var(--transition); }
.footer-contact a:hover { color: var(--gold-light); }

.footer-bottom {
  background: var(--black);
  border-top: 1px solid var(--border);
  padding: 18px 24px;
}
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 12px; color: var(--text-muted); }

/* ── TOAST ── */
.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 22px;
  font-size: 14px;
  color: var(--text-primary);
  z-index: 9999;
  box-shadow: var(--shadow-card);
  transform: translateY(0);
  animation: toastIn 0.3s ease;
}
.toast.hidden { display: none; }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── BACK TO TOP ── */
.back-to-top {
  position: fixed;
  bottom: 28px;
  left: 28px;
  width: 44px;
  height: 44px;
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: 50%;
  font-size: 18px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  transition: var(--transition);
  opacity: 0;
  pointer-events: none;
}
.back-to-top:not(.hidden) { opacity: 1; pointer-events: all; }
.back-to-top.hidden { display: none; }
.back-to-top:hover { background: var(--gold); color: var(--black); border-color: var(--gold); }

/* ── SCROLL ANIMATIONS ── */
[data-animate] {
  opacity: 0;
  transition: opacity 0.65s ease, transform 0.65s ease;
}
[data-animate="fade-up"]    { transform: translateY(32px); }
[data-animate="fade-left"]  { transform: translateX(32px); }
[data-animate="fade-right"] { transform: translateX(-32px); }
[data-animate="zoom-in"]    { transform: scale(0.92); }

[data-animate].animated {
  opacity: 1;
  transform: none;
}

/* ── UTILITY ── */
.hidden { display: none !important; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .problem-grid { grid-template-columns: repeat(2, 1fr); }
  .compat-grid  { grid-template-columns: repeat(3, 1fr); }
  .footer-top   { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; min-height: auto; padding-top: calc(var(--nav-height) + 48px); padding-bottom: 64px; }
  .hero-text  { text-align: center; }
  .hero-eyebrow { justify-content: center; }
  .hero-sub   { margin: 0 auto 36px; }
  .hero-ctas, .hero-trust { justify-content: center; }
  .hero-products { justify-content: center; margin-top: 16px; }
  .hero-scroll-hint { display: none; }

  .products-grid      { grid-template-columns: 1fr; }
  .benefits-grid      { grid-template-columns: 1fr 1fr; }
  .testimonials-grid  { grid-template-columns: 1fr; }
  .b2b-inner          { grid-template-columns: 1fr; gap: 40px; }
  .steps-row          { flex-direction: column; }
  .step-connector     { transform: rotate(90deg); }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions { display: none; }
  .hamburger { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--dark-1);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px 28px;
    gap: 20px;
    z-index: 999;
  }
  .nav-links.open a { font-size: 16px; }

  .nav-actions.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: calc(var(--nav-height) + 240px);
    left: 0;
    right: 0;
    background: var(--dark-1);
    border-bottom: 1px solid var(--border);
    padding: 0 24px 24px;
    gap: 12px;
    z-index: 999;
  }
  .nav-actions.open .btn { width: 100%; }

  section { padding: 64px 0; }
  .benefits-grid   { grid-template-columns: 1fr; }
  .compat-grid     { grid-template-columns: repeat(2, 1fr); }
  .problem-grid    { grid-template-columns: 1fr; }
  .form-row        { grid-template-columns: 1fr; }
  .footer-top      { grid-template-columns: 1fr; gap: 32px; padding: 40px 24px; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero-products { flex-direction: column; align-items: center; }
  .hero-product-card { max-width: 280px; width: 100%; }
  .compat-grid { grid-template-columns: repeat(2, 1fr); }
}