/* =====================================================
   SteelCraft Fabrication — style.css
   Dominasi: Biru 70%, Putih 30%
   ===================================================== */

/* ── CSS Variables ── */
:root {
  --blue-darkest: #041e3a;
  --blue-dark:    #0a3060;
  --blue-primary: #0d4fa3;
  --blue-medium:  #1565c0;
  --blue-light:   #1e88e5;
  --blue-pale:    #e3f0ff;
  --blue-accent:  #00b4d8;
  --white:        #ffffff;
  --off-white:    #f4f8ff;
  --gray-light:   #e8eef7;
  --gray-mid:     #94a8c4;
  --gray-text:    #4a6080;
  --text-dark:    #0d1f35;

  --font-head: 'Barlow Condensed', sans-serif;
  --font-body: 'Barlow', sans-serif;

  --shadow-sm:  0 2px 8px rgba(13,79,163,0.12);
  --shadow-md:  0 6px 24px rgba(13,79,163,0.18);
  --shadow-lg:  0 16px 48px rgba(13,79,163,0.22);

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

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-w: 1200px;
}

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

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

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

img { max-width: 100%; display: block; }

a { text-decoration: none; color: inherit; }

ul { list-style: none; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }

/* ── Section Headings ── */
.section-tag {
  display: inline-block;
  background: var(--blue-pale);
  color: var(--blue-primary);
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 30px;
  margin-bottom: 14px;
}

.section-tag.light {
  background: rgba(255,255,255,0.15);
  color: var(--white);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--blue-darkest);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.section-title.light { color: var(--white); }

.section-desc {
  color: var(--gray-text);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: rgba(4, 30, 58, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 24px rgba(0,0,0,0.25);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.01em;
}

.logo-icon {
  font-size: 1.8rem;
  color: var(--blue-accent);
  line-height: 1;
}

.logo-accent { color: var(--blue-accent); }

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.82);
  transition: color var(--transition);
  position: relative;
  padding-bottom: 3px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--blue-accent);
  transition: width var(--transition);
}

.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }

.btn-nav {
  background: var(--blue-accent);
  color: var(--white);
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
}

.btn-nav:hover {
  background: #00c8f0;
  transform: translateY(-1px);
}

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

.hamburger span {
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
  display: block;
}

.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); }

.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--blue-darkest);
  padding: 12px 24px 20px;
  gap: 4px;
}

.mobile-menu a {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.05rem;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: color var(--transition);
}

.mobile-menu a:hover { color: var(--blue-accent); }

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--blue-darkest) 0%, var(--blue-dark) 40%, var(--blue-primary) 100%);
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 72px;
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,180,216,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,180,216,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(0,180,216,0.25);
  animation: float-up linear infinite;
}

@keyframes float-up {
  0%   { opacity: 0; transform: translateY(0) scale(0.5); }
  10%  { opacity: 1; }
  90%  { opacity: 0.6; }
  100% { opacity: 0; transform: translateY(-100vh) scale(1.2); }
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 80px 24px 100px;
  max-width: 820px;
}

.hero-badge {
  display: inline-block;
  background: rgba(0,180,216,0.18);
  border: 1px solid rgba(0,180,216,0.4);
  color: var(--blue-accent);
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 7px 18px;
  border-radius: 30px;
  margin-bottom: 24px;
  animation: fade-in-up 0.6s ease both;
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.0;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  animation: fade-in-up 0.6s 0.1s ease both;
}

.hero-accent {
  color: var(--blue-accent);
  display: block;
}

.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.72);
  max-width: 540px;
  margin-bottom: 36px;
  line-height: 1.7;
  animation: fade-in-up 0.6s 0.2s ease both;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 56px;
  animation: fade-in-up 0.6s 0.3s ease both;
}

.btn-primary {
  background: var(--blue-accent);
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 15px 32px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(0,180,216,0.35);
}

.btn-primary:hover {
  background: #00d4f5;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,180,216,0.5);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 15px 32px;
  border-radius: var(--radius-sm);
  border: 2px solid rgba(255,255,255,0.4);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  animation: fade-in-up 0.6s 0.4s ease both;
}

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

.stat-number {
  font-family: var(--font-head);
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.stat-plus {
  font-family: var(--font-head);
  font-size: 1.6rem;
  color: var(--blue-accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.2);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 36px;
  right: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.45);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.45), transparent);
  animation: scroll-line 1.5s ease-in-out infinite;
}

@keyframes scroll-line {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.2); }
}

/* ============================================
   ABOUT
   ============================================ */
.about {
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 72px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-img-frame {
  background: linear-gradient(135deg, var(--blue-primary) 0%, var(--blue-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.about-img-frame::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 200px; height: 200px;
  background: rgba(0,180,216,0.12);
  border-radius: 50%;
}

.about-img-frame::after {
  content: '';
  position: absolute;
  bottom: -30px; left: -30px;
  width: 160px; height: 160px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
}

.fab-icon-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  position: relative;
  z-index: 1;
}

.fab-icon {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-md);
  padding: 24px 16px;
  text-align: center;
  transition: background var(--transition), transform var(--transition);
}

.fab-icon:hover {
  background: rgba(0,180,216,0.2);
  transform: translateY(-3px);
}

.fab-icon span {
  display: block;
  font-size: 2rem;
  margin-bottom: 8px;
}

.fab-icon small {
  display: block;
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.8);
}

.about-badge-float {
  position: absolute;
  bottom: -16px; right: 24px;
  background: var(--blue-accent);
  color: var(--white);
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 10px 20px;
  border-radius: 30px;
  box-shadow: 0 4px 16px rgba(0,180,216,0.4);
  text-transform: uppercase;
}

.about-text .section-tag { margin-bottom: 12px; }

.about-text p {
  color: var(--gray-text);
  margin-bottom: 16px;
  font-size: 1.02rem;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 24px;
}

.feat-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  color: var(--gray-text);
}

.feat-check {
  color: var(--blue-accent);
  font-weight: 700;
  flex-shrink: 0;
}

/* ============================================
   VISI MISI
   ============================================ */
.visi-misi {
  background: linear-gradient(145deg, var(--blue-dark) 0%, var(--blue-primary) 60%, var(--blue-medium) 100%);
  position: relative;
  overflow: hidden;
}

.vm-bg-deco {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 80% 20%, rgba(0,180,216,0.18) 0%, transparent 50%),
                    radial-gradient(circle at 10% 80%, rgba(255,255,255,0.05) 0%, transparent 40%);
}

.vm-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 48px;
  position: relative;
  z-index: 1;
}

.vm-card {
  padding: 48px 40px;
}

.vm-divider {
  width: 1px;
  background: rgba(255,255,255,0.15);
}

.vm-icon {
  font-size: 2.4rem;
  margin-bottom: 20px;
}

.vm-card h3 {
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.vm-card p {
  color: rgba(255,255,255,0.78);
  font-size: 1.02rem;
  line-height: 1.75;
}

.misi-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.misi-card ul li {
  color: rgba(255,255,255,0.78);
  font-size: 0.97rem;
  padding-left: 20px;
  position: relative;
  line-height: 1.6;
}

.misi-card ul li::before {
  content: '▶';
  position: absolute;
  left: 0;
  color: var(--blue-accent);
  font-size: 0.6rem;
  top: 6px;
}

.nilai-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
  z-index: 1;
}

.nilai-item {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  transition: background var(--transition), transform var(--transition);
}

.nilai-item:hover {
  background: rgba(0,180,216,0.15);
  transform: translateY(-4px);
}

.nilai-item span {
  display: block;
  font-size: 2rem;
  margin-bottom: 10px;
}

.nilai-item strong {
  display: block;
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
  letter-spacing: 0.04em;
}

.nilai-item p {
  font-size: 0.84rem;
  color: rgba(255,255,255,0.6);
}

/* ============================================
   MESIN
   ============================================ */
.mesin {
  background: var(--off-white);
}

.mesin-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.mesin-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid var(--gray-light);
}

.mesin-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.mesin-img {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.laser-img   { background: linear-gradient(135deg, #041e3a, #0d4fa3); }
.bending-img { background: linear-gradient(135deg, #0a3060, #1565c0); }
.roll-img    { background: linear-gradient(135deg, #0d4fa3, #00b4d8); }
.welding-img { background: linear-gradient(135deg, #1e3a5f, #0d4fa3); }
.plasma-img  { background: linear-gradient(135deg, #062040, #1565c0); }
.profil-img  { background: linear-gradient(135deg, #0a3060, #00b4d8); }

.mesin-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, rgba(0,180,216,0.08) 0%, transparent 60%);
}

.mesin-icon {
  font-size: 3.5rem;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.3));
}

.mesin-body {
  padding: 24px;
}

.mesin-tag {
  display: inline-block;
  background: var(--blue-pale);
  color: var(--blue-primary);
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-head);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
}

.mesin-body h3 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--blue-darkest);
  margin-bottom: 8px;
  letter-spacing: 0.01em;
}

.mesin-body p {
  font-size: 0.88rem;
  color: var(--gray-text);
  margin-bottom: 14px;
  line-height: 1.55;
}

.mesin-specs {
  list-style: none;
  border-top: 1px solid var(--gray-light);
  padding-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mesin-specs li {
  font-size: 0.84rem;
  color: var(--gray-text);
  display: flex;
  gap: 4px;
}

.mesin-specs li b {
  color: var(--blue-dark);
  min-width: 100px;
}

/* ============================================
   PRODUK
   ============================================ */
.produk {
  background: var(--white);
}

.filter-bar {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.filter-btn {
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 10px 22px;
  border-radius: 30px;
  border: 2px solid var(--blue-pale);
  background: var(--blue-pale);
  color: var(--blue-primary);
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--blue-primary);
  border-color: var(--blue-primary);
  color: var(--white);
}

.produk-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.produk-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--gray-light);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
}

.produk-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.produk-card.hidden {
  display: none;
}

.produk-img {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.tank-img    { background: linear-gradient(135deg, #062040, #0d4fa3); }
.panel-img   { background: linear-gradient(135deg, #0a3060, #1565c0); }
.pipe-img    { background: linear-gradient(135deg, #041e3a, #0d4fa3); }
.frame-img   { background: linear-gradient(135deg, #0d4fa3, #1e88e5); }
.cone-img    { background: linear-gradient(135deg, #0a3060, #00b4d8); }
.grating-img { background: linear-gradient(135deg, #041e3a, #1565c0); }
.hopper-img  { background: linear-gradient(135deg, #0d4fa3, #0a3060); }
.sheet-img   { background: linear-gradient(135deg, #1565c0, #00b4d8); }

.prod-icon {
  font-size: 3rem;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3));
}

.produk-overlay {
  position: absolute;
  inset: 0;
  background: rgba(4,30,58,0.7);
  display: flex;
  align-items: flex-end;
  padding: 12px;
  opacity: 0;
  transition: opacity var(--transition);
}

.produk-card:hover .produk-overlay { opacity: 1; }

.produk-tag-overlay {
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-accent);
  background: rgba(0,0,0,0.4);
  padding: 4px 10px;
  border-radius: 20px;
}

.produk-info {
  padding: 16px 18px 18px;
}

.produk-info h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--blue-darkest);
  margin-bottom: 6px;
}

.produk-info p {
  font-size: 0.84rem;
  color: var(--gray-text);
  line-height: 1.5;
  margin-bottom: 10px;
}

.produk-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.produk-meta span {
  font-size: 0.72rem;
  font-weight: 600;
  font-family: var(--font-head);
  letter-spacing: 0.05em;
  color: var(--blue-primary);
  background: var(--blue-pale);
  padding: 3px 9px;
  border-radius: 20px;
  text-transform: uppercase;
}

/* ============================================
   CUSTOMER
   ============================================ */
.customer {
  background: var(--off-white);
}

.customer-sectors {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.sector-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-md);
  padding: 24px 12px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.sector-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--blue-pale);
}

.sector-icon {
  font-size: 2rem;
  margin-bottom: 10px;
}

.sector-card h4 {
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--blue-dark);
  letter-spacing: 0.04em;
}

/* Logo Ticker */
.customer-logos {
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-md);
  padding: 20px 0;
  margin-bottom: 48px;
}

.logo-track {
  display: flex;
  gap: 0;
  animation: ticker 24s linear infinite;
  width: max-content;
}

.logo-track:hover { animation-play-state: paused; }

@keyframes ticker {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.cust-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 40px;
  border-right: 1px solid var(--gray-light);
  min-width: 160px;
  text-align: center;
}

.cust-abbr {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--blue-primary);
  letter-spacing: 0.06em;
  display: block;
}

.cust-logo small {
  font-size: 0.72rem;
  color: var(--gray-text);
  margin-top: 3px;
}

/* Testimonials */
.testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testi-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  border: 1px solid var(--gray-light);
  border-left: 4px solid var(--blue-primary);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.testi-card p {
  font-size: 0.95rem;
  color: var(--gray-text);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 20px;
}

.testi-card p::before { content: '"'; color: var(--blue-accent); font-size: 1.4rem; line-height: 0; }
.testi-card p::after  { content: '"'; color: var(--blue-accent); font-size: 1.4rem; line-height: 0; }

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

.testi-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--blue-primary);
  color: var(--white);
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.testi-author strong {
  display: block;
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--blue-darkest);
}

.testi-author span {
  font-size: 0.78rem;
  color: var(--gray-text);
}

/* ============================================
   KONTAK
   ============================================ */
.kontak {
  background: linear-gradient(145deg, var(--blue-darkest) 0%, var(--blue-dark) 100%);
  position: relative;
  overflow: hidden;
}

.kontak-bg-deco {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 90% 10%, rgba(0,180,216,0.15) 0%, transparent 50%),
              radial-gradient(circle at 10% 90%, rgba(21,101,192,0.2) 0%, transparent 50%);
}

.kontak-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 72px;
  align-items: start;
  position: relative;
  z-index: 1;
}

.kontak-intro {
  color: rgba(255,255,255,0.7);
  font-size: 1.02rem;
  margin-bottom: 36px;
  line-height: 1.7;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 36px;
}

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

.contact-icon-wrap {
  width: 44px; height: 44px;
  background: rgba(0,180,216,0.15);
  border: 1px solid rgba(0,180,216,0.3);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-item strong {
  display: block;
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--blue-accent);
  margin-bottom: 4px;
}

.contact-item p {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.55;
  margin: 2px 0;
}

.contact-item a {
  color: rgba(255,255,255,0.9);
  transition: color var(--transition);
}

.contact-item a:hover { color: var(--blue-accent); }

.social-links {
  display: flex;
  gap: 12px;
}

.social-btn {
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.8);
  transition: all var(--transition);
}

.social-btn:hover {
  background: rgba(255,255,255,0.1);
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}

.social-btn.wa:hover  { background: rgba(37,211,102,0.15); border-color: rgba(37,211,102,0.4); }
.social-btn.ig:hover  { background: rgba(225,48,108,0.12); border-color: rgba(225,48,108,0.3); }
.social-btn.li:hover  { background: rgba(10,102,194,0.15); border-color: rgba(10,102,194,0.4); }

/* Form */
.kontak-form-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.kontak-form h3 {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--blue-darkest);
  margin-bottom: 28px;
  letter-spacing: 0.01em;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-group label {
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue-dark);
}

.form-group label span { color: var(--blue-light); }

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--gray-light);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-dark);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue-light);
  box-shadow: 0 0 0 3px rgba(30,136,229,0.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-mid);
  font-size: 0.88rem;
}

.btn-submit {
  width: 100%;
  background: var(--blue-primary);
  color: var(--white);
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 16px 24px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 16px rgba(13,79,163,0.3);
}

.btn-submit:hover {
  background: var(--blue-medium);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(13,79,163,0.4);
}

.btn-arrow { font-size: 1.1rem; transition: transform var(--transition); }
.btn-submit:hover .btn-arrow { transform: translateX(4px); }

.form-success {
  text-align: center;
  color: #16a34a;
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 600;
  margin-top: 12px;
  min-height: 20px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--blue-darkest);
  border-top: 1px solid rgba(255,255,255,0.08);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 48px;
  padding: 64px 24px 48px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.65;
  max-width: 280px;
}

.footer-nav h4,
.footer-contact h4 {
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-accent);
  margin-bottom: 20px;
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}

.footer-nav a:hover { color: var(--white); }

.footer-contact p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 8px;
  line-height: 1.55;
}

.footer-contact a {
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}

.footer-contact a:hover { color: var(--blue-accent); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px; height: 48px;
  background: var(--blue-primary);
  color: var(--white);
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(13,79,163,0.4);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--blue-medium);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .mesin-grid    { grid-template-columns: repeat(2, 1fr); }
  .produk-grid   { grid-template-columns: repeat(2, 1fr); }
  .nilai-grid    { grid-template-columns: repeat(2, 1fr); }
  .customer-sectors { grid-template-columns: repeat(3, 1fr); }
  .testimonials  { grid-template-columns: 1fr; gap: 20px; }
  .footer-inner  { grid-template-columns: 1fr 1fr; gap: 36px; }
  .about-grid    { grid-template-columns: 1fr; gap: 40px; }
  .about-visual  { max-width: 480px; margin: 0 auto; }
  .vm-grid       { grid-template-columns: 1fr; }
  .vm-divider    { width: 100%; height: 1px; }
  .kontak-grid   { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 768px) {
  .nav-links, .btn-nav { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: flex; }
  .mobile-menu[aria-hidden="false"] { display: flex; }

  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .stat-divider { display: none; }
  .hero-title { font-size: clamp(2.4rem, 9vw, 3.8rem); }
  .hero-scroll-hint { display: none; }

  .section { padding: 64px 0; }
  .mesin-grid    { grid-template-columns: 1fr; }
  .produk-grid   { grid-template-columns: repeat(2, 1fr); }
  .customer-sectors { grid-template-columns: repeat(2, 1fr); }
  .form-row      { grid-template-columns: 1fr; }
  .footer-inner  { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
  .nilai-grid    { grid-template-columns: 1fr 1fr; }
  .kontak-form-wrap { padding: 28px 22px; }
}

@media (max-width: 480px) {
  .produk-grid   { grid-template-columns: 1fr; }
  .customer-sectors { grid-template-columns: repeat(2, 1fr); }
  .hero-cta      { flex-direction: column; align-items: flex-start; }
  .nilai-grid    { grid-template-columns: 1fr; }
  .social-links  { flex-wrap: wrap; }
}