/* =========================================================
   Power Block Philippines Inc. – Website Styles
   Color palette:
     --blue:     #0066FF  (Electric/Signal Blue — Brand Core)
     --blue-lt:  #3385FF
     --orange:   #FF6B00  (Tech Orange — 20% accent)
     --orange-lt:#FF8C1A
     --dark:     #f4f4f4  (Light Gray — base background)
     --dark-2:   #e6e6e6
     --dark-3:   #d9d9d9
     --mid:      #a8a8a8
     --line:     #c7c7c7
     --text:     #111111
     --text-lt:  #333333
     --white:    #ffffff
   ========================================================= */

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

:root {
  --blue:      #FF6B00;
  --blue-lt:   #fc7d22;
  --orange:    #f6220c;
  --orange-lt: #f90707;
  --dark:      #f4f4f4;
  --dark-2:    #e6e6e6;
  --dark-3:    #d9d9d9;
  --mid:       #a8a8a8;
  --line:      #c7c7c7;
  --text:      #111111;
  --text-lt:   #333333;
  --white:     #ffffff;
  --nav-h:     72px;
  --radius:    8px;
  --radius-lg: 16px;
  --trans:     0.25s ease;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-head: 'Barlow Condensed', 'Inter', sans-serif;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--dark);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

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

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.accent { color: var(--orange-lt); }
.centered { text-align: center; }

/* ── Section shared ─────────────────────────────────────── */
.section {
  padding: 96px 0;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--text-lt);
  line-height: 1.15;
  margin-bottom: 20px;
}

.section-intro {
  max-width: 620px;
  margin: 0 auto 56px;
  text-align: center;
  font-size: 1.05rem;
  color: var(--text);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: all var(--trans);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--blue);
  color: #fff;
}
.btn-primary:hover {
  background: var(--blue-lt);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,102,255,0.35);
}

.btn-outline {
  border-color: var(--line);
  color: var(--text-lt);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--orange);
  color: var(--orange-lt);
  transform: translateY(-2px);
}

.btn.full-width { width: 100%; justify-content: center; }

/* ── Navigation ──────────────────────────────────────────── */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: background var(--trans);
}

.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.nav-logo img {
  height: 71px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  padding: 8px 14px;
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text);
  transition: color var(--trans), background var(--trans);
}

.nav-links a:hover { color: var(--text-lt); background: var(--dark-3); }

.nav-cta {
  background: var(--blue) !important;
  color: #fff !important;
  padding: 8px 20px !important;
}
.nav-cta:hover {
  background: var(--blue-lt) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-lt);
  border-radius: 2px;
  transition: var(--trans);
}

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 60px) 24px 80px;
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,102,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,102,255,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-bg-grid::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 40%, rgba(0,102,255,0.10) 0%, transparent 70%);
}

.hero-content {
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  width: 100%;
}

.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 16px;
}

.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  color: var(--text);
  line-height: 1.05;
  margin-bottom: 24px;
  max-width: 820px;
}

.hero-sub {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: var(--text);
  max-width: 580px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

/* Formula bar */
.hero-formula {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding: 24px 28px;
  background: var(--dark-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  max-width: 900px;
}

.formula-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}

.formula-icon {
  width: 52px;
  height: 52px;
  background: var(--dark-3);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange-lt);
  padding: 10px;
}
.formula-icon svg { width: 100%; height: 100%; }

.formula-item span {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text);
  max-width: 110px;
  line-height: 1.3;
}

.formula-plus {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
}

.formula-equals {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}

.formula-result {
  padding: 12px 20px;
  background: var(--orange);
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: #fff;
  line-height: 1.4;
  max-width: 180px;
}
.formula-result strong { display: block; font-size: 1rem; }

.hero-scroll-hint {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--text);
  animation: bobDown 2s ease-in-out infinite;
}
.hero-scroll-hint svg { width: 16px; height: 16px; }

@keyframes bobDown {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ── About ───────────────────────────────────────────────── */
.about-section { background: var(--dark-2); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-text p { margin-bottom: 16px; font-size: 1.02rem; line-height: 1.75; }
.about-text strong { color: var(--text-lt); }

.stat-row {
  display: flex;
  gap: 32px;
  margin-top: 36px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}

.stat-item { display: flex; flex-direction: column; gap: 4px; }

.stat-number {
  font-family: var(--font-head);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--orange-lt);
  line-height: 1;
}
.stat-number small { font-size: 1.2rem; }
.stat-label { font-size: 0.8rem; color: var(--text); font-weight: 500; }

.mission-card {
  background: var(--dark-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px;
  height: 100%;
}

.mission-icon {
  width: 52px;
  height: 52px;
  background: rgba(0,102,255,0.12);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange-lt);
  padding: 10px;
  margin-bottom: 20px;
}
.mission-icon svg { width: 100%; height: 100%; }

.mission-card h3 {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-lt);
  margin-bottom: 14px;
}

/* ── Advantage ───────────────────────────────────────────── */
.advantage-section { background: var(--dark); }

.advantage-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.adv-card {
  background: var(--dark-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color var(--trans), transform var(--trans);
}
.adv-card:hover {
  border-color: var(--orange);
  transform: translateY(-4px);
}

.adv-icon {
  width: 52px;
  height: 52px;
  background: rgba(255,107,0,0.10);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange-lt);
  padding: 10px;
  margin-bottom: 20px;
}
.adv-icon svg { width: 100%; height: 100%; }

.adv-card h3 {
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-lt);
  margin-bottom: 12px;
}

/* ── Capabilities ─────────────────────────────────────────── */
.capabilities-section {
  background: var(--dark-2);
  position: relative;
  overflow: hidden;
}

.capabilities-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,102,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.machine-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.machine-card {
  background: var(--dark-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  transition: border-color var(--trans), transform var(--trans);
}

.machine-card:hover {
  border-color: var(--orange);
  transform: translateY(-4px);
}

.machine-card.featured {
  border-color: var(--orange);
  box-shadow: 0 12px 40px rgba(0,102,255,0.18);
}

.machine-badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(0,102,255,0.15);
  color: var(--orange-lt);
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.machine-card.featured .machine-badge {
  background: var(--orange);
  color: #fff;
}

.machine-icon {
  width: 60px;
  height: 60px;
  color: var(--orange-lt);
  margin-bottom: 16px;
  opacity: 0.85;
}
.machine-icon svg { width: 100%; height: 100%; }

.machine-card h3 {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.machine-tagline {
  font-size: 0.82rem;
  color: var(--orange-lt);
  font-weight: 600;
  margin-bottom: 14px;
}

.machine-card p { font-size: 0.95rem; margin-bottom: 20px; line-height: 1.7; }

.machine-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.machine-card ul li {
  font-size: 0.88rem;
  color: var(--text);
  padding-left: 18px;
  position: relative;
}

.machine-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 2px;
  background: var(--orange);
  border-radius: 2px;
}

/* ── Services ─────────────────────────────────────────────── */
.services-section { background: var(--dark); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}

.service-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 36px;
  background: var(--dark-2);
  transition: background var(--trans);
}
.service-item:hover { background: var(--dark-3); }

.service-num {
  font-family: var(--font-head);
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(255,107,0,0.18);
  line-height: 1;
  flex-shrink: 0;
  width: 48px;
}

.service-body h3 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-lt);
  margin-bottom: 8px;
}

.service-body p { font-size: 0.92rem; color: var(--text); line-height: 1.65; }

/* ── Quality ──────────────────────────────────────────────── */
.quality-section {
  background: var(--dark-2);
  position: relative;
  overflow: hidden;
}

.quality-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.quality-text .section-title { margin-bottom: 20px; }
.quality-text p { margin-bottom: 32px; line-height: 1.75; }

.quality-pillars {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.pillar {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.pillar-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  background: rgba(255,107,0,0.10);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange-lt);
  padding: 8px;
  margin-top: 2px;
}
.pillar-icon svg { width: 100%; height: 100%; }

.pillar h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-lt);
  margin-bottom: 4px;
}

.pillar p { font-size: 0.9rem; color: var(--text); line-height: 1.6; }

/* ISO Badge */
.quality-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.iso-badge {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  border: 3px solid var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: 0 0 60px rgba(0,102,255,0.18), inset 0 0 40px rgba(0,102,255,0.06);
}

.iso-badge::before {
  content: '';
  position: absolute;
  inset: 10px;
  border-radius: 50%;
  border: 1px solid var(--line);
}

.iso-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  position: relative;
}

.iso-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
}

.iso-title {
  font-family: var(--font-head);
  font-size: 4.5rem;
  font-weight: 800;
  color: var(--orange-lt);
  line-height: 1;
}

.iso-sub {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.06em;
}

/* ── Gallery ──────────────────────────────────────────────── */
.gallery-section { background: var(--dark); padding-bottom: 64px; }
.gallery-section .container { margin-bottom: 32px; }

.gallery-track {
  display: flex;
  overflow-x: hidden;
  gap: 0;
  position: relative;
}

.gallery-item {
  min-width: 100%;
  display: none;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.gallery-item.active { display: block; }

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: var(--dark-2);
}

.gallery-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 24px;
}

.gallery-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--dark-2);
  border: 1px solid var(--line);
  color: var(--text-lt);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--trans);
}
.gallery-btn:hover {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}

.gallery-dots {
  display: flex;
  gap: 8px;
  align-items: center;
}

.gallery-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line);
  cursor: pointer;
  transition: all var(--trans);
  border: none;
}

.gallery-dot.active {
  background: var(--orange);
  transform: scale(1.3);
}

/* ── Contact ──────────────────────────────────────────────── */
.contact-section {
  background: var(--dark-2);
  border-top: 1px solid var(--line);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-text p { margin-bottom: 36px; line-height: 1.75; }

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-size: 0.95rem;
}

.contact-item svg {
  width: 20px;
  height: 20px;
  color: var(--orange);
  flex-shrink: 0;
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.form-group input,
.form-group textarea {
  background: var(--dark-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--text-lt);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--trans);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: #555a6b; }

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--orange);
}

.form-group textarea { resize: vertical; min-height: 120px; }

/* ── Footer ───────────────────────────────────────────────── */
.site-footer {
  background: var(--dark);
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 64px;
  padding: 56px 24px;
}

.footer-logo {
  height: 72px;
  width: auto;
  object-fit: contain;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text);
}

.footer-links h4,
.footer-products h4 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-lt);
  margin-bottom: 16px;
}

.footer-links ul,
.footer-products ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text);
  transition: color var(--trans);
}
.footer-links a:hover { color: var(--orange-lt); }

.footer-products li {
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.5;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 20px 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: #555a6b;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .about-grid,
  .quality-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .advantage-cards,
  .machine-cards {
    grid-template-columns: 1fr;
  }

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

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .footer-brand { grid-column: 1 / -1; }

  .quality-visual { display: none; }

  .hero-formula {
    gap: 12px;
  }
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }

  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--dark-2);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 4px;
  }

  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }

  .hero-headline { font-size: 2.4rem; }

  .hero-formula {
    flex-direction: column;
    align-items: flex-start;
  }

  .formula-item { flex-direction: row; align-items: center; }
  .formula-item span { text-align: left; max-width: none; }
  .formula-plus, .formula-equals { display: none; }

  .formula-result {
    max-width: 100%;
    width: 100%;
    text-align: center;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* ── Scroll-reveal animations ─────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}