/* ============================================================
   ERADEH — voltagevanguard.css
   VoltageVanguard™ flagship product page
   Deep blue/electric identity — reliability, precision, trust
   ============================================================ */

.vv-page { background: #fafbfc; }

/* ── Section labels ── */
.vv-section-label {
  display: inline-block;
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .2em;
  color: #1a6b8a;
  margin-bottom: .75rem;
  font-family: var(--font-primary);
}
.vv-section-label--light { color: rgba(255,255,255,.5); }

/* ══════════════════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════════════════ */
.vv-hero {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #0a1628 0%, #0A3949 50%, #0d2847 100%);
}

.vv-hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse at 70% 50%, rgba(26,107,138,.15) 0%, transparent 50%),
    linear-gradient(rgba(26,107,138,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,107,138,.05) 1px, transparent 1px);
  background-size: 100% 100%, 48px 48px, 48px 48px;
  animation: gridDrift 30s linear infinite;
  pointer-events: none;
}

@keyframes gridDrift {
  0%   { transform: translate(0, 0); }
  100% { transform: translate(48px, 48px); }
}

.vv-hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 100px 32px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.vv-hero-badge {
  display: inline-block;
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .18em;
  color: #4dd8a0;
  border: 1px solid rgba(77,216,160,.3);
  padding: .35rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}

.vv-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.05;
  margin-bottom: 1.25rem;
  color: var(--color-white);
}

.vv-accent {
  background: linear-gradient(135deg, #4dd8a0, #1a6b8a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.vv-tm {
  font-size: .35em;
  vertical-align: super;
  -webkit-text-fill-color: rgba(255,255,255,.4);
}

.vv-hero-tagline {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: rgba(255,255,255,.85);
  line-height: 1.5;
  margin-bottom: 1.25rem;
}

.vv-hero-divider {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, #4dd8a0, transparent);
  border-radius: 3px;
  margin-bottom: 1.25rem;
  box-shadow: 0 0 12px rgba(77,216,160,.4);
}

.vv-hero-body {
  font-size: .95rem;
  color: rgba(255,255,255,.6);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.vv-hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* VV Buttons — green/teal accent */
.vv-btn-primary {
  background: linear-gradient(135deg, #4dd8a0, #1a6b8a);
  color: #0a1628;
  border: none;
  font-weight: 800;
  box-shadow: 0 4px 24px rgba(77,216,160,.3);
  padding: .85rem 2.25rem;
}
.vv-btn-primary:hover {
  box-shadow: 0 8px 36px rgba(77,216,160,.5);
  transform: translateY(-2px) scale(1.02);
}

.vv-btn-ghost {
  background: transparent;
  color: rgba(255,255,255,.7);
  border: 1px solid rgba(255,255,255,.2);
  padding: .85rem 2rem;
}
.vv-btn-ghost:hover {
  color: var(--color-white);
  border-color: rgba(255,255,255,.5);
  background: rgba(255,255,255,.05);
}

/* Hero visual */
.vv-hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.vv-hero-visual::before {
  content: '';
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(77,216,160,.12) 0%, transparent 70%);
  filter: blur(40px);
  animation: vvGlow 5s ease-in-out infinite alternate;
}

@keyframes vvGlow {
  0%   { transform: scale(1); opacity: .5; }
  100% { transform: scale(1.2); opacity: 1; }
}

.vv-hero-visual img {
  max-height: 440px;
  max-width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 24px 56px rgba(0,0,0,.4));
  position: relative;
  z-index: 1;
}

/* ══════════════════════════════════════════════════════════
   VALUE PROPOSITIONS
   ══════════════════════════════════════════════════════════ */
.vv-value {
  background: #fff;
  padding: 100px 0;
}

.vv-value-header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.vv-value-header h2 { margin-bottom: .75rem; }
.vv-value-header p { color: var(--color-text-muted); max-width: 560px; margin: 0 auto; line-height: 1.7; }

.vv-value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.vv-value-card {
  background: #fafbfc;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  position: relative;
  overflow: hidden;
  transition: box-shadow .3s, transform .3s var(--ease-out), border-color .3s;
}

.vv-value-card:hover {
  box-shadow: 0 16px 48px rgba(10,57,73,.12);
  transform: translateY(-4px);
  border-color: rgba(26,107,138,.25);
}

/* Accent top bar on hover */
.vv-value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #4dd8a0, #1a6b8a);
  transform: scaleX(0);
  transition: transform .3s var(--ease-out);
  transform-origin: left;
}
.vv-value-card:hover::before { transform: scaleX(1); }

.vv-value-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.vv-value-number {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: rgba(10,57,73,.06);
  line-height: 1;
}

.vv-value-card h3 {
  font-size: 1.1rem;
  margin-bottom: .75rem;
  font-family: var(--font-primary);
  font-weight: 700;
}

.vv-value-card p {
  font-size: .9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin: 0;
}

/* ══════════════════════════════════════════════════════════
   FIVE-PHASE APPROACH
   ══════════════════════════════════════════════════════════ */
.vv-approach {
  background: linear-gradient(180deg, #0a1628 0%, #0A3949 100%);
  padding: 100px 0;
  color: var(--color-white);
}

.vv-approach-header {
  text-align: center;
  margin-bottom: 4rem;
}
.vv-approach-header h2 { color: var(--color-white); margin-bottom: .75rem; }
.vv-approach-header p { color: rgba(255,255,255,.6); max-width: 540px; margin: 0 auto; }

.vv-phases {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.vv-phase {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}

/* Timeline marker */
.vv-phase-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.vv-phase-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4dd8a0, #1a6b8a);
  color: #0a1628;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  font-family: var(--font-display);
  box-shadow: 0 4px 16px rgba(77,216,160,.3);
}

.vv-phase-line {
  width: 2px;
  height: 48px;
  background: linear-gradient(180deg, rgba(77,216,160,.4), rgba(77,216,160,.05));
  margin-top: .5rem;
}

.vv-phase-content {
  padding-bottom: 2.5rem;
}

.vv-phase-content h3 {
  color: var(--color-white);
  font-size: 1.1rem;
  margin-bottom: .5rem;
  font-family: var(--font-primary);
  font-weight: 700;
}

.vv-phase-content p {
  color: rgba(255,255,255,.6);
  font-size: .9rem;
  line-height: 1.7;
  margin: 0;
}

/* ══════════════════════════════════════════════════════════
   CERTIFICATION
   ══════════════════════════════════════════════════════════ */
.vv-cert {
  background: #fff;
  padding: 100px 0;
}

.vv-cert-inner {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 3.5rem;
  align-items: center;
  max-width: 860px;
  margin: 0 auto;
  background: #fafbfc;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 3rem;
}

.vv-cert-badge img {
  max-width: 160px;
  margin: 0 auto;
  filter: drop-shadow(0 8px 24px rgba(10,57,73,.15));
}

.vv-cert-content h2 { margin-bottom: .75rem; }
.vv-cert-content p { color: var(--color-text-muted); line-height: 1.7; }

.vv-cert-quote {
  font-style: italic;
  border-left: 3px solid #1a6b8a;
  padding-left: 1.25rem;
  margin-top: 1.25rem;
  color: var(--color-text-muted);
  font-size: .9rem;
  line-height: 1.7;
}

.vv-cert-content cite {
  display: block;
  margin-top: .75rem;
  font-size: .8rem;
  color: var(--color-text-muted);
  font-style: normal;
  font-weight: 600;
}

/* ══════════════════════════════════════════════════════════
   CTA / CONTACT
   ══════════════════════════════════════════════════════════ */
.vv-cta {
  background: linear-gradient(135deg, #0a1628 0%, #0A3949 100%);
  padding: 100px 0;
}

.vv-cta-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.vv-cta-content h2 {
  color: var(--color-white);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 1rem;
}
.vv-cta-content p {
  color: rgba(255,255,255,.6);
  line-height: 1.7;
}

.vv-cta-form {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
}

.vv-cta-form input,
.vv-cta-form textarea {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
  color: var(--color-white);
  border-radius: var(--radius-md);
}

.vv-cta-form input::placeholder,
.vv-cta-form textarea::placeholder { color: rgba(255,255,255,.35); }

.vv-cta-form input:focus,
.vv-cta-form textarea:focus {
  border-color: #4dd8a0;
  box-shadow: 0 0 0 3px rgba(77,216,160,.12);
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .vv-hero-inner { grid-template-columns: 1fr; text-align: center; padding: 80px 24px 60px; }
  .vv-hero-visual { max-width: 300px; margin: 0 auto; }
  .vv-hero-actions { justify-content: center; }
  .vv-hero-divider { margin: 0 auto 1.25rem; }
  .vv-value-grid { grid-template-columns: 1fr; }
  .vv-cert-inner { grid-template-columns: 1fr; text-align: center; }
  .vv-cert-badge img { max-width: 120px; }
  .vv-cta-inner { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .vv-hero-visual { display: none; }
  .vv-cta-form { padding: 1.5rem; }
  .vv-cert-inner { padding: 2rem 1.5rem; }
}