/* ─── Design Tokens ─── */
:root {
  --gold: #c9952b;
  --gold-light: #eab308;
  --gold-dark: #a0762a;
  --gold-glow: rgba(201, 149, 43, 0.15);
  --navy: #0b1120;
  --navy-light: #111827;
  --slate: #1f2937;
  --text: #ffffff;
  --text-muted: rgba(255, 255, 255, 0.5);
  --text-body: rgba(255, 255, 255, 0.7);
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(201, 149, 43, 0.2);
  --radius: 12px;
  --radius-lg: 20px;
}

/* ─── Reset ─── */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--navy);
  color: var(--text);
  line-height: 1.6;
}

::selection {
  background: rgba(201, 149, 43, 0.25);
  color: var(--text);
}

/* ─── Scroll Reveal ─── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ─── Shimmer Text ─── */
.shimmer {
  background: linear-gradient(135deg, #fff 0%, #fff 30%, var(--gold-light) 50%, #fff 70%, #fff 100%);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmerMove 4s ease-in-out infinite;
}

@keyframes shimmerMove {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

/* ─── Glow Border Animation ─── */
.glow-border {
  position: relative;
  isolation: isolate;
}

.glow-border::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--gold), transparent, var(--gold-light), transparent);
  background-size: 300% 300%;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s;
  animation: glowBorderSpin 4s linear infinite;
}

.glow-border:hover::after {
  opacity: 0.6;
}

@keyframes glowBorderSpin {
  0% { background-position: 0% 0%; }
  50% { background-position: 100% 100%; }
  100% { background-position: 0% 0%; }
}

/* ─── Pulse Ring ─── */
.pulse-ring {
  position: relative;
}

.pulse-ring::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: inherit;
  border: 2px solid var(--gold);
  opacity: 0;
  animation: pulseRingOut 2s ease-out infinite;
}

@keyframes pulseRingOut {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.15); opacity: 0; }
}

/* ─── Float particle ─── */
.particle-field {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.particle-dot {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--gold);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat 12s infinite;
}

@keyframes particleFloat {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 0.4; }
  90% { opacity: 0.4; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--navy); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 4px; }

/* ─── Navigation ─── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(11, 15, 32, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo img {
  width: 50px;
  height: auto;
  filter: drop-shadow(0 0 8px var(--gold-glow));
}

.nav-logo span {
  font-size: 18px;
  font-weight: 700;
  background: linear-gradient(135deg, #fff, var(--gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
  letter-spacing: 0.3px;
}

.nav-links a:hover { color: var(--gold-light); }

.nav-cta {
  padding: 8px 22px;
  border: 1px solid var(--gold);
  border-radius: 8px;
  color: var(--gold-light) !important;
  font-weight: 600;
  transition: all 0.2s;
}

.nav-cta:hover {
  background: var(--gold);
  color: var(--navy) !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: 0.3s;
}

/* ─── Hero ─── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201, 149, 43, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 149, 43, 0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 0;
}

.hero-glow {
  position: absolute;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 149, 43, 0.08), transparent 70%);
  top: -200px;
  right: -200px;
  animation: heroPulse 6s ease-in-out infinite;
}

.hero-glow-2 {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 149, 43, 0.05), transparent 70%);
  bottom: -250px;
  left: -200px;
  animation: heroPulse 8s ease-in-out infinite reverse;
}

@keyframes heroPulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 1; }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-logo {
  margin-bottom: 28px;
  display: inline-block;
  position: relative;
}

.hero-logo::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 149, 43, 0.15), transparent 70%);
  animation: ringPulse 3s ease-in-out infinite;
}

.hero-logo::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 1px solid rgba(201, 149, 43, 0.1);
  animation: ringPulse 3s ease-in-out infinite 0.5s;
}

@keyframes ringPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
  50% { transform: translate(-50%, -50%) scale(1.08); opacity: 1; }
}

.hero-logo img {
  width: 200px;
  height: auto;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 0 50px rgba(201, 149, 43, 0.3)) brightness(1.1);
  animation: logoFloat 4s ease-in-out infinite;
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero-badge {
  display: inline-block;
  padding: 6px 20px;
  border: 1px solid rgba(201, 149, 43, 0.2);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold-light);
  background: rgba(201, 149, 43, 0.06);
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 64px;
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1.05;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #fff 0%, #fff 25%, var(--gold-light) 50%, #fff 75%, #fff 100%);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmerMove 5s ease-in-out infinite;
}

.hero-tagline {
  font-size: 22px;
  font-weight: 600;
  color: var(--gold-light);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero p {
  font-size: 17px;
  color: var(--text-body);
  max-width: 580px;
  margin: 0 auto 40px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  padding: 14px 36px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #fff;
  border: none;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(201, 149, 43, 0.3);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.03);
}

.btn-secondary:hover {
  border-color: var(--gold);
  color: var(--gold-light);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* ─── Scroll indicator ─── */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.15);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: fadeInOut 2s ease-in-out infinite;
}

.scroll-indicator .mouse {
  width: 22px;
  height: 34px;
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  position: relative;
}

.scroll-indicator .mouse::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 8px;
  background: var(--gold);
  border-radius: 2px;
  animation: scrollDot 2s infinite;
}

@keyframes scrollDot {
  0% { transform: translateX(-50%) translateY(0); opacity: 1; }
  100% { transform: translateX(-50%) translateY(14px); opacity: 0; }
}

@keyframes fadeInOut {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* ─── Section common ─── */
section {
  padding: 100px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--gold);
  margin-bottom: 12px;
}

.section-title {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-sub {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.7;
}

.divider {
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 4px;
  margin: 20px 0 32px;
}

/* ─── About ─── */
#about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-visual .placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(201, 149, 43, 0.06), rgba(201, 149, 43, 0.02));
  border: 1px solid rgba(201, 149, 43, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.15);
  font-size: 14px;
  text-align: center;
  padding: 20px;
  overflow: hidden;
  position: relative;
}

.about-visual .placeholder svg {
  width: 70%;
  height: auto;
  max-width: 320px;
}

.motor-svg {
  display: block;
  width: 100%;
  height: auto;
}

.rotor-group {
  transform-origin: 150px 150px;
  animation: motorSpin 4s linear infinite;
}

@keyframes motorSpin {
  to { transform: rotate(360deg); }
}

.stator-coil {
  animation: coilGlow 2s ease-in-out infinite;
}

.stator-coil:nth-child(2) { animation-delay: 0.25s; }
.stator-coil:nth-child(3) { animation-delay: 0.5s; }
.stator-coil:nth-child(4) { animation-delay: 0.75s; }
.stator-coil:nth-child(5) { animation-delay: 1s; }
.stator-coil:nth-child(6) { animation-delay: 1.25s; }
.stator-coil:nth-child(7) { animation-delay: 1.5s; }
.stator-coil:nth-child(8) { animation-delay: 1.75s; }

@keyframes coilGlow {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.8; }
}

.field-line {
  animation: fieldPulse 3s ease-in-out infinite;
}

.field-line:nth-child(2) { animation-delay: 0.5s; }
.field-line:nth-child(3) { animation-delay: 1s; }
.field-line:nth-child(4) { animation-delay: 1.5s; }

@keyframes fieldPulse {
  0%, 100% { opacity: 0.1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.05); }
}

.hero-motor {
  position: absolute;
  z-index: 0;
  opacity: 0.06;
  width: 500px;
  height: 500px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.hero-motor .rotor-group {
  animation-duration: 8s;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 16px;
}

.stat-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.stat-card:hover::before {
  transform: translateX(100%);
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-hover);
  background: rgba(201, 149, 43, 0.04);
}

.stat-card .num {
  font-size: 24px;
  font-weight: 800;
  color: var(--gold-light);
}

.stat-card .lbl {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.about-text p {
  color: var(--text-body);
  margin-bottom: 16px;
  font-size: 15px;
  line-height: 1.8;
}

/* ─── Products ─── */
#products {
  text-align: center;
}

#products .section-sub {
  margin: 0 auto 48px;
}

#products .divider {
  margin: 20px auto 32px;
}

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

.product-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: left;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  opacity: 0;
  transition: opacity 0.3s;
}

.product-card:hover::before { opacity: 1; }

.product-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-hover);
  background: rgba(201, 149, 43, 0.04);
  box-shadow: 0 24px 72px rgba(0, 0, 0, 0.5), 0 0 40px rgba(201, 149, 43, 0.05);
}

.product-card:hover .product-icon {
  background: rgba(201, 149, 43, 0.18);
  transform: scale(1.1) rotate(-5deg);
}

.product-icon {
  transition: all 0.3s ease;
}

.product-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: rgba(201, 149, 43, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 22px;
}

.product-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

.product-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ─── Why Us ─── */
#why-us {
  text-align: center;
}

#why-us .divider {
  margin: 20px auto 32px;
}

#why-us .section-sub {
  margin: 0 auto 48px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 20px;
  transition: all 0.3s;
}

.feature-item:hover {
  border-color: var(--border-hover);
  background: rgba(201, 149, 43, 0.04);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.feature-item {
  transition: all 0.3s ease;
}

.feature-item:hover .feature-icon {
  transform: scale(1.2);
}

.feature-icon {
  display: inline-block;
  transition: transform 0.3s ease;
}

.feature-icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.feature-item h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-item p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ─── Contact ─── */
#contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding-bottom: 60px;
}

.contact-info h2 {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.contact-info > p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 32px;
}

.contact-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: transform 0.2s ease;
}

.contact-row:hover {
  transform: translateX(4px);
}

.contact-row .icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: rgba(201, 149, 43, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 18px;
}

.contact-row .info label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(201, 149, 43, 0.45);
  display: block;
  margin-bottom: 4px;
}

.contact-row .info p, .contact-row .info a {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  line-height: 1.5;
}

.contact-row .info a:hover { color: var(--gold-light); }

.contact-form {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.contact-form h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: #fff;
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

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

.form-group textarea {
  height: 110px;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.2);
}

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

.btn-submit {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
  font-family: inherit;
}

.btn-submit:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(201, 149, 43, 0.3);
}

.btn-submit:active {
  transform: translateY(0);
}

/* ─── Floating Buttons ─── */
.floating-buttons {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.float-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  position: relative;
}

.float-btn:hover {
  transform: scale(1.1);
}

.float-btn-wa {
  background: #25D366;
}

.float-btn-call {
  background: var(--gold-dark);
}

.float-btn svg {
  width: 26px;
  height: 26px;
  fill: #fff;
}

.float-btn .tooltip {
  position: absolute;
  right: 66px;
  background: rgba(11, 15, 32, 0.92);
  color: #fff;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 13px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
}

.float-btn:hover .tooltip {
  opacity: 1;
}

.float-btn-wa .tooltip::after,
.float-btn-call .tooltip::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -5px;
  transform: translateY(-50%);
  border: 5px solid transparent;
  border-left-color: rgba(11, 15, 32, 0.92);
}

@media (max-width: 768px) {
  .floating-buttons {
    bottom: 0;
    right: 0;
    left: 0;
    flex-direction: row;
    gap: 0;
    background: rgba(11, 15, 32, 0.96);
    backdrop-filter: blur(16px);
    border-top: 1px solid var(--border);
    padding: 0;
  }

  .float-btn {
    width: 50%;
    height: 60px;
    border-radius: 0;
    box-shadow: none;
    gap: 8px;
    flex-direction: row;
  }

  .float-btn:hover {
    transform: none;
  }

  .float-btn svg {
    width: 22px;
    height: 22px;
  }

  .float-btn .tooltip {
    position: static;
    opacity: 1;
    pointer-events: auto;
    background: none;
    padding: 0;
    border-radius: 0;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
  }

  .float-btn-wa .tooltip::after,
  .float-btn-call .tooltip::after {
    display: none;
  }

  .float-btn-wa {
    background: transparent;
    border-right: 1px solid var(--border);
    color: #25D366;
  }

  .float-btn-wa svg { fill: #25D366; }

  .float-btn-wa .tooltip { color: #25D366; }

  .float-btn-call {
    background: transparent;
    color: var(--gold-light);
  }

  .float-btn-call svg { fill: var(--gold-light); }

  .float-btn-call .tooltip { color: var(--gold-light); }
}

/* ─── Footer ─── */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
  color: rgba(255, 255, 255, 0.15);
  font-size: 13px;
}

footer span { color: var(--gold); }

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

@media (max-width: 768px) {
  nav { padding: 14px 20px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(11, 15, 32, 0.96);
    backdrop-filter: blur(16px);
    padding: 24px 20px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
  }

  body { padding-bottom: 60px; }

  .hero h1 { font-size: 40px; letter-spacing: -1px; }
  .hero-tagline { font-size: 16px; letter-spacing: 2px; }
  .hero-logo img { width: 140px; }
  .hero-logo::before { width: 170px; height: 170px; }
  .hero-logo::after { width: 140px; height: 140px; }

  section { padding: 60px 20px; }
  .section-title { font-size: 28px; }

  .products-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }

  .contact-form { padding: 24px; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 32px; }
  .hero p { font-size: 15px; }
  .hero-logo img { width: 120px; }
  .hero-logo::before { width: 150px; height: 150px; }
  .hero-logo::after { width: 120px; height: 120px; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .about-stats { grid-template-columns: 1fr; }
}