/* =============================================
   BATU DOOR — Premium Steel Door Website
   ============================================= */

:root {
  --black: #0a0a0a;
  --black-light: #141414;
  --black-card: #1a1a1a;
  --gold: #c9a227;
  --gold-light: #d4af37;
  --gold-dark: #8b6914;
  --grey: #888;
  --grey-light: #aaa;
  --white: #f5f5f0;
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Outfit', system-ui, sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--white);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.loaded { overflow: auto; }

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

.container {
  width: min(1200px, 90vw);
  margin: 0 auto;
}

.section {
  padding: 120px 0;
}

/* ---- Loader ---- */
.loader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s var(--ease-out), visibility 0.8s;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-inner {
  text-align: center;
}

.loader-logo {
  width: 180px;
  margin: 0 auto 30px;
  animation: loaderPulse 2s ease-in-out infinite;
}

.loader-bar {
  width: 200px;
  height: 2px;
  background: rgba(201, 162, 39, 0.15);
  margin: 0 auto;
  overflow: hidden;
  border-radius: 2px;
}

.loader-progress {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold-light));
  animation: loaderFill 2s var(--ease-out) forwards;
}

@keyframes loaderPulse {
  0%, 100% { opacity: 0.6; transform: scale(0.98); }
  50% { opacity: 1; transform: scale(1); }
}

@keyframes loaderFill {
  to { width: 100%; }
}

/* ---- Cursor Glow ---- */
.cursor-glow {
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 162, 39, 0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
  opacity: 0;
}

body.loaded .cursor-glow { opacity: 1; }

@media (hover: none) {
  .cursor-glow { display: none; }
}

/* ---- Header ---- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.5s var(--ease-out);
}

.header.scrolled {
  padding: 12px 0;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(201, 162, 39, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo img {
  height: 48px;
  transition: transform 0.3s var(--ease-out);
}

.nav-logo:hover img { transform: scale(1.05); }

.nav-links {
  display: flex;
  gap: 36px;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--grey-light);
  position: relative;
  transition: color 0.3s;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.4s var(--ease-out);
}

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

.nav-cta {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 10px 28px;
  border: 1px solid var(--gold);
  color: var(--gold);
  transition: all 0.4s var(--ease-out);
}

.nav-cta:hover {
  background: var(--gold);
  color: var(--black);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--white);
  transition: all 0.3s;
}

/* ---- Hero ---- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.hero-video-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(10,10,10,0.5) 0%, rgba(10,10,10,0.2) 40%, rgba(10,10,10,0.85) 100%),
    linear-gradient(to right, rgba(10,10,10,0.7) 0%, transparent 60%);
}

.hero-grain {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-slides {
  position: relative;
  z-index: 2;
  padding: 0 5vw;
  max-width: 800px;
  margin-top: 60px;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 5vw;
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.9s var(--ease-out);
  pointer-events: none;
}

.hero-slide.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  position: relative;
  left: 0;
}

.hero-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 24px;
  padding-left: 40px;
  position: relative;
}

.hero-tag::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 28px;
  height: 1px;
  background: var(--gold);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 600;
  line-height: 1.05;
  margin-bottom: 24px;
}

.hero-title .line {
  display: block;
  overflow: hidden;
}

.hero-title .line span {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 0.8s var(--ease-out);
}

.hero-slide.active .hero-title .line span {
  transform: translateY(0);
}

.hero-slide.active .hero-title .line:nth-child(2) span {
  transition-delay: 0.15s;
}

.hero-title .gold {
  color: var(--gold);
  font-style: italic;
}

.hero-desc {
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--grey-light);
  max-width: 480px;
  line-height: 1.7;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.8s var(--ease-out) 0.3s;
}

.hero-slide.active .hero-desc {
  opacity: 1;
  transform: translateY(0);
}

.hero-controls {
  position: absolute;
  bottom: 80px;
  left: 5vw;
  right: 5vw;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hero-dots {
  display: flex;
  gap: 12px;
}

.dot {
  width: 40px;
  height: 2px;
  background: rgba(255,255,255,0.2);
  border: none;
  cursor: pointer;
  transition: all 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.dot::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 0;
  background: var(--gold);
  transition: width 0.1s linear;
}

.dot.active::after {
  animation: dotProgress 5s linear forwards;
}

@keyframes dotProgress {
  to { width: 100%; }
}

.dot.active { background: rgba(201,162,39,0.15); }

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 16px 36px;
  border: none;
  cursor: pointer;
  transition: all 0.4s var(--ease-out);
}

.btn-primary {
  background: var(--gold);
  color: var(--black);
}

.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(201, 162, 39, 0.3);
}

.btn-lg { padding: 18px 48px; font-size: 0.85rem; }
.btn-full { width: 100%; }

.hero-scroll {
  position: absolute;
  bottom: 80px;
  right: 5vw;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--grey);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ---- Stats ---- */
.stats {
  position: relative;
  z-index: 10;
  margin-top: -1px;
  background: var(--black-light);
  border-top: 1px solid rgba(201, 162, 39, 0.1);
  border-bottom: 1px solid rgba(201, 162, 39, 0.1);
  padding: 50px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}

.stat-plus {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--gold);
}

.stat-label {
  display: block;
  margin-top: 8px;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey);
}

/* ---- Section Shared ---- */
.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 600;
  line-height: 1.15;
  margin-bottom: 20px;
}

.section-title em {
  font-style: italic;
  color: var(--gold);
}

.section-sub {
  color: var(--grey-light);
  font-weight: 300;
  max-width: 560px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 70px;
}

/* ---- About ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-frame {
  position: relative;
}

.about-img-placeholder {
  aspect-ratio: 4/5;
  background: linear-gradient(135deg, var(--black-card) 0%, var(--black-light) 100%);
  border: 1px solid rgba(201, 162, 39, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.about-img-placeholder::before {
  content: '';
  position: absolute;
  inset: 20px;
  border: 1px solid rgba(201, 162, 39, 0.08);
}

.door-icon svg {
  width: 120px;
  height: 160px;
  opacity: 0.6;
}

.about-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--gold);
  color: var(--black);
  padding: 24px 32px;
  text-align: center;
}

.badge-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
}

.badge-text {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 500;
}

.about-text {
  color: var(--grey-light);
  font-weight: 300;
  margin-bottom: 16px;
  line-height: 1.8;
}

.about-list {
  margin-top: 30px;
}

.about-list li {
  padding: 12px 0;
  padding-left: 28px;
  position: relative;
  color: var(--grey-light);
  font-weight: 300;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.about-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 8px;
  border: 1px solid var(--gold);
  transform: translateY(-50%) rotate(45deg);
}

/* ---- Products ---- */
.products {
  background: var(--black-light);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.product-card {
  overflow: hidden;
  background: var(--black-card);
  border: 1px solid rgba(255,255,255,0.04);
  transition: all 0.5s var(--ease-out);
}

.product-card:hover {
  border-color: rgba(201, 162, 39, 0.2);
  transform: translateY(-4px);
}

.product-img {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}

.product-img-inner {
  width: 100%;
  height: 100%;
  transition: transform 0.8s var(--ease-out);
}

.product-card:hover .product-img-inner {
  transform: scale(1.08);
}

.product-img-inner.villa {
  background: linear-gradient(135deg, #1a1510 0%, #2a2015 50%, #1a1510 100%);
}

.product-img-inner.apartment {
  background: linear-gradient(135deg, #101015 0%, #1a1a22 50%, #101015 100%);
}

.product-img-inner.fire {
  background: linear-gradient(135deg, #151010 0%, #221515 50%, #151010 100%);
}

.product-img-inner.custom {
  background: linear-gradient(135deg, #101510 0%, #152015 50%, #101510 100%);
}

.product-img-inner::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(10,10,10,0.8) 0%, transparent 50%),
    repeating-linear-gradient(90deg, transparent, transparent 40px, rgba(201,162,39,0.03) 40px, rgba(201,162,39,0.03) 41px);
}

.product-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 20px;
}

.product-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: rgba(201, 162, 39, 0.15);
  line-height: 1;
}

.product-info {
  padding: 28px 30px 32px;
}

.product-info h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.product-info p {
  color: var(--grey);
  font-weight: 300;
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.product-link {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  transition: letter-spacing 0.3s;
}

.product-link:hover { letter-spacing: 0.15em; }

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

.feature-card {
  padding: 40px 28px;
  background: var(--black-card);
  border: 1px solid rgba(255,255,255,0.04);
  transition: all 0.5s var(--ease-out);
  position: relative;
  overflow: hidden;
}

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

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

.feature-card:hover {
  border-color: rgba(201, 162, 39, 0.15);
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  color: var(--gold);
  margin-bottom: 24px;
}

.feature-icon svg { width: 100%; height: 100%; }

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--grey);
  font-weight: 300;
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ---- Process ---- */
.process-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}

.step {
  flex: 1;
  text-align: center;
  max-width: 220px;
}

.step-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: rgba(201, 162, 39, 0.2);
  line-height: 1;
  margin-bottom: 20px;
  transition: color 0.4s;
}

.step:hover .step-num { color: var(--gold); }

.step h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.step p {
  color: var(--grey);
  font-weight: 300;
  font-size: 0.85rem;
}

.step-line {
  width: 60px;
  height: 1px;
  background: rgba(201, 162, 39, 0.2);
  margin-top: 40px;
  flex-shrink: 0;
}

/* ---- CTA Banner ---- */
.cta-banner {
  position: relative;
  padding: 140px 0;
  overflow: hidden;
  text-align: center;
}

.cta-video-wrap {
  position: absolute;
  inset: 0;
}

.cta-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cta-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.75);
}

.cta-content {
  position: relative;
  z-index: 2;
}

.cta-content h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 16px;
}

.cta-content h2 em {
  font-style: italic;
  color: var(--gold);
}

.cta-content p {
  color: var(--grey-light);
  font-weight: 300;
  margin-bottom: 36px;
}

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

.contact-text {
  color: var(--grey-light);
  font-weight: 300;
  margin-bottom: 40px;
  line-height: 1.8;
}

.contact-details li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.contact-details svg {
  width: 22px;
  height: 22px;
  color: var(--gold);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-details strong {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey);
  margin-bottom: 4px;
}

.contact-details span {
  color: var(--grey-light);
  font-weight: 300;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group {
  position: relative;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 16px 0;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 300;
  outline: none;
  transition: border-color 0.3s;
  appearance: none;
  -webkit-appearance: none;
  border-radius: 0;
}

.form-group select {
  cursor: pointer;
  background: var(--black);
}

.form-group select option {
  background: var(--black-card);
}

.form-group label {
  position: absolute;
  left: 0;
  top: 16px;
  font-size: 0.85rem;
  color: var(--grey);
  pointer-events: none;
  transition: all 0.3s var(--ease-out);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
.form-group input:not(:placeholder-shown),
.form-group select:valid,
.form-group textarea:not(:placeholder-shown) {
  border-bottom-color: var(--gold);
}

.form-group input:focus ~ label,
.form-group select:focus ~ label,
.form-group textarea:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group select:valid ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
  top: -8px;
  font-size: 0.7rem;
  color: var(--gold);
  letter-spacing: 0.05em;
}

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

/* ---- Footer ---- */
.footer {
  background: var(--black-light);
  border-top: 1px solid rgba(201, 162, 39, 0.08);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 60px;
}

.footer-logo {
  height: 60px;
  margin-bottom: 20px;
}

.footer-brand p {
  color: var(--grey);
  font-weight: 300;
  font-size: 0.9rem;
  max-width: 280px;
}

.footer-links h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 20px;
  color: var(--gold);
}

.footer-links li { margin-bottom: 10px; }

.footer-links a {
  color: var(--grey);
  font-weight: 300;
  font-size: 0.9rem;
  transition: color 0.3s;
}

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

.social-icons {
  display: flex;
  gap: 16px;
}

.social-icons a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--grey-light);
  transition: all 0.3s;
}

.social-icons a:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.social-icons svg { width: 18px; height: 18px; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 24px 0;
  text-align: center;
}

.footer-bottom p {
  color: var(--grey);
  font-size: 0.8rem;
  font-weight: 300;
}

/* ---- Reveal Animations ---- */
.reveal,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: all 0.9s var(--ease-out);
}

.reveal { transform: translateY(40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }

.reveal.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translate(0);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 80px 0; }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: rgba(10, 10, 10, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 30px;
    transition: right 0.5s var(--ease-out);
    border-left: 1px solid rgba(201, 162, 39, 0.1);
  }

  .nav-links.open { right: 0; }

  .nav-cta { display: none; }
  .nav-toggle { display: flex; }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero-title { font-size: clamp(2.5rem, 10vw, 4rem); }

  .hero-controls {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }

  .hero-scroll { display: none; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }

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

  .process-steps {
    flex-direction: column;
    align-items: center;
    gap: 30px;
  }

  .step-line {
    width: 1px;
    height: 40px;
    margin: 0;
  }

  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
}